/branches/arm/kernel/arch/sparc64/src/asm.S |
---|
0,0 → 1,316 |
# |
# Copyright (c) 2005 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include <arch/arch.h> |
#include <arch/stack.h> |
#include <arch/regdef.h> |
#include <arch/mm/mmu.h> |
.text |
.register %g2, #scratch |
.register %g3, #scratch |
/* |
* This is the assembly language version of our _memcpy() generated by gcc. |
*/ |
.global memcpy |
memcpy: |
mov %o0, %o3 ! save dst |
add %o1, 7, %g1 |
and %g1, -8, %g1 |
cmp %o1, %g1 |
be,pn %xcc, 3f |
add %o0, 7, %g1 |
mov 0, %g3 |
0: |
brz,pn %o2, 2f |
mov 0, %g2 |
1: |
ldub [%g3 + %o1], %g1 |
add %g2, 1, %g2 |
cmp %o2, %g2 |
stb %g1, [%g3 + %o0] |
bne,pt %xcc, 1b |
mov %g2, %g3 |
2: |
jmp %o7 + 8 ! exit point |
mov %o3, %o0 |
3: |
and %g1, -8, %g1 |
cmp %o0, %g1 |
bne,pt %xcc, 0b |
mov 0, %g3 |
srlx %o2, 3, %g4 |
brz,pn %g4, 5f |
mov 0, %g5 |
4: |
sllx %g3, 3, %g2 |
add %g5, 1, %g3 |
ldx [%o1 + %g2], %g1 |
mov %g3, %g5 |
cmp %g4, %g3 |
bne,pt %xcc, 4b |
stx %g1, [%o0 + %g2] |
5: |
and %o2, 7, %o2 |
brz,pn %o2, 2b |
sllx %g4, 3, %g1 |
mov 0, %g2 |
add %g1, %o0, %o0 |
add %g1, %o1, %g4 |
mov 0, %g3 |
6: |
ldub [%g2 + %g4], %g1 |
stb %g1, [%g2 + %o0] |
add %g3, 1, %g2 |
cmp %o2, %g2 |
bne,pt %xcc, 6b |
mov %g2, %g3 |
jmp %o7 + 8 ! exit point |
mov %o3, %o0 |
/* |
* Almost the same as memcpy() except the loads are from userspace. |
*/ |
.global memcpy_from_uspace |
memcpy_from_uspace: |
mov %o0, %o3 ! save dst |
add %o1, 7, %g1 |
and %g1, -8, %g1 |
cmp %o1, %g1 |
be,pn %xcc, 3f |
add %o0, 7, %g1 |
mov 0, %g3 |
0: |
brz,pn %o2, 2f |
mov 0, %g2 |
1: |
lduba [%g3 + %o1] ASI_AIUS, %g1 |
add %g2, 1, %g2 |
cmp %o2, %g2 |
stb %g1, [%g3 + %o0] |
bne,pt %xcc, 1b |
mov %g2, %g3 |
2: |
jmp %o7 + 8 ! exit point |
mov %o3, %o0 |
3: |
and %g1, -8, %g1 |
cmp %o0, %g1 |
bne,pt %xcc, 0b |
mov 0, %g3 |
srlx %o2, 3, %g4 |
brz,pn %g4, 5f |
mov 0, %g5 |
4: |
sllx %g3, 3, %g2 |
add %g5, 1, %g3 |
ldxa [%o1 + %g2] ASI_AIUS, %g1 |
mov %g3, %g5 |
cmp %g4, %g3 |
bne,pt %xcc, 4b |
stx %g1, [%o0 + %g2] |
5: |
and %o2, 7, %o2 |
brz,pn %o2, 2b |
sllx %g4, 3, %g1 |
mov 0, %g2 |
add %g1, %o0, %o0 |
add %g1, %o1, %g4 |
mov 0, %g3 |
6: |
lduba [%g2 + %g4] ASI_AIUS, %g1 |
stb %g1, [%g2 + %o0] |
add %g3, 1, %g2 |
cmp %o2, %g2 |
bne,pt %xcc, 6b |
mov %g2, %g3 |
jmp %o7 + 8 ! exit point |
mov %o3, %o0 |
/* |
* Almost the same as memcpy() except the stores are to userspace. |
*/ |
.global memcpy_to_uspace |
memcpy_to_uspace: |
mov %o0, %o3 ! save dst |
add %o1, 7, %g1 |
and %g1, -8, %g1 |
cmp %o1, %g1 |
be,pn %xcc, 3f |
add %o0, 7, %g1 |
mov 0, %g3 |
0: |
brz,pn %o2, 2f |
mov 0, %g2 |
1: |
ldub [%g3 + %o1], %g1 |
add %g2, 1, %g2 |
cmp %o2, %g2 |
stba %g1, [%g3 + %o0] ASI_AIUS |
bne,pt %xcc, 1b |
mov %g2, %g3 |
2: |
jmp %o7 + 8 ! exit point |
mov %o3, %o0 |
3: |
and %g1, -8, %g1 |
cmp %o0, %g1 |
bne,pt %xcc, 0b |
mov 0, %g3 |
srlx %o2, 3, %g4 |
brz,pn %g4, 5f |
mov 0, %g5 |
4: |
sllx %g3, 3, %g2 |
add %g5, 1, %g3 |
ldx [%o1 + %g2], %g1 |
mov %g3, %g5 |
cmp %g4, %g3 |
bne,pt %xcc, 4b |
stxa %g1, [%o0 + %g2] ASI_AIUS |
5: |
and %o2, 7, %o2 |
brz,pn %o2, 2b |
sllx %g4, 3, %g1 |
mov 0, %g2 |
add %g1, %o0, %o0 |
add %g1, %o1, %g4 |
mov 0, %g3 |
6: |
ldub [%g2 + %g4], %g1 |
stba %g1, [%g2 + %o0] ASI_AIUS |
add %g3, 1, %g2 |
cmp %o2, %g2 |
bne,pt %xcc, 6b |
mov %g2, %g3 |
jmp %o7 + 8 ! exit point |
mov %o3, %o0 |
.global memcpy_from_uspace_failover_address |
.global memcpy_to_uspace_failover_address |
memcpy_from_uspace_failover_address: |
memcpy_to_uspace_failover_address: |
jmp %o7 + 8 ! exit point |
mov %g0, %o0 ! return 0 on failure |
.global memsetb |
memsetb: |
ba %xcc, _memsetb |
nop |
.global memsetw |
memsetw: |
ba %xcc, _memsetw |
nop |
.macro WRITE_ALTERNATE_REGISTER reg, bit |
rdpr %pstate, %g1 ! save PSTATE.PEF |
wrpr %g0, (\bit | PSTATE_PRIV_BIT), %pstate |
mov %o0, \reg |
wrpr %g0, PSTATE_PRIV_BIT, %pstate |
retl |
wrpr %g1, 0, %pstate ! restore PSTATE.PEF |
.endm |
.macro READ_ALTERNATE_REGISTER reg, bit |
rdpr %pstate, %g1 ! save PSTATE.PEF |
wrpr %g0, (\bit | PSTATE_PRIV_BIT), %pstate |
mov \reg, %o0 |
wrpr %g0, PSTATE_PRIV_BIT, %pstate |
retl |
wrpr %g1, 0, %pstate ! restore PSTATE.PEF |
.endm |
.global write_to_ag_g6 |
write_to_ag_g6: |
WRITE_ALTERNATE_REGISTER %g6, PSTATE_AG_BIT |
.global write_to_ag_g7 |
write_to_ag_g7: |
WRITE_ALTERNATE_REGISTER %g7, PSTATE_AG_BIT |
.global write_to_ig_g6 |
write_to_ig_g6: |
WRITE_ALTERNATE_REGISTER %g6, PSTATE_IG_BIT |
.global read_from_ag_g7 |
read_from_ag_g7: |
READ_ALTERNATE_REGISTER %g7, PSTATE_AG_BIT |
/** Switch to userspace. |
* |
* %o0 Userspace entry address. |
* %o1 Userspace stack pointer address. |
* %o2 Userspace address of uarg structure. |
*/ |
.global switch_to_userspace |
switch_to_userspace: |
save %o1, -(STACK_WINDOW_SAVE_AREA_SIZE + STACK_ARG_SAVE_AREA_SIZE), %sp |
flushw |
wrpr %g0, 0, %cleanwin ! avoid information leak |
mov %i2, %o0 ! uarg |
xor %o1, %o1, %o1 ! %o1 is defined to hold pcb_ptr |
! set it to 0 |
clr %i2 |
clr %i3 |
clr %i4 |
clr %i5 |
clr %i6 |
wrpr %g0, 1, %tl ! enforce mapping via nucleus |
rdpr %cwp, %g1 |
wrpr %g1, TSTATE_IE_BIT, %tstate |
wrpr %i0, 0, %tnpc |
/* |
* Set primary context according to secondary context. |
* Secondary context has been already installed by |
* higher-level functions. |
*/ |
wr %g0, ASI_DMMU, %asi |
ldxa [VA_SECONDARY_CONTEXT_REG] %asi, %g1 |
stxa %g1, [VA_PRIMARY_CONTEXT_REG] %asi |
flush %i7 |
/* |
* Spills and fills will be handled by the userspace handlers. |
*/ |
wrpr %g0, WSTATE_OTHER(0) | WSTATE_NORMAL(1), %wstate |
done ! jump to userspace |
/branches/arm/kernel/arch/sparc64/src/smp/smp.c |
---|
0,0 → 1,137 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#include <smp/smp.h> |
#include <genarch/ofw/ofw_tree.h> |
#include <cpu.h> |
#include <arch/cpu_family.h> |
#include <arch/cpu.h> |
#include <arch.h> |
#include <config.h> |
#include <macros.h> |
#include <arch/types.h> |
#include <synch/synch.h> |
#include <synch/waitq.h> |
#include <print.h> |
#include <arch/cpu_node.h> |
/** |
* This global variable is used to pick-up application processors |
* from their active loop in start.S. When a processor looping in |
* start.S sees that this variable contains its MID, it can |
* proceed with its initialization. |
* |
* This variable is modified only by the bootstrap processor. |
* Other processors access it read-only. |
*/ |
volatile uint64_t waking_up_mid = (uint64_t) -1; |
/** Determine number of processors. */ |
void smp_init(void) |
{ |
ofw_tree_node_t *node; |
size_t cnt = 0; |
if (is_us() || is_us_iii()) { |
node = ofw_tree_find_child_by_device_type(cpus_parent(), "cpu"); |
while (node) { |
cnt++; |
node = ofw_tree_find_peer_by_device_type(node, "cpu"); |
} |
} else if (is_us_iv()) { |
node = ofw_tree_find_child(cpus_parent(), "cmp"); |
while (node) { |
cnt += 2; |
node = ofw_tree_find_peer_by_name(node, "cmp"); |
} |
} |
config.cpu_count = max(1, cnt); |
} |
/** |
* Wakes up the CPU which is represented by the "node" OFW tree node. |
* If "node" represents the current CPU, calling the function has |
* no effect. |
*/ |
static void wakeup_cpu(ofw_tree_node_t *node) |
{ |
uint32_t mid; |
ofw_tree_property_t *prop; |
/* 'upa-portid' for US, 'portid' for US-III, 'cpuid' for US-IV */ |
prop = ofw_tree_getprop(node, "upa-portid"); |
if ((!prop) || (!prop->value)) |
prop = ofw_tree_getprop(node, "portid"); |
if ((!prop) || (!prop->value)) |
prop = ofw_tree_getprop(node, "cpuid"); |
if (!prop || prop->value == NULL) |
return; |
mid = *((uint32_t *) prop->value); |
if (CPU->arch.mid == mid) |
return; |
waking_up_mid = mid; |
if (waitq_sleep_timeout(&ap_completion_wq, 1000000, SYNCH_FLAGS_NONE) == |
ESYNCH_TIMEOUT) |
printf("%s: waiting for processor (mid = %" PRIu32 |
") timed out\n", __func__, mid); |
} |
/** Wake application processors up. */ |
void kmp(void *arg) |
{ |
ofw_tree_node_t *node; |
int i; |
if (is_us() || is_us_iii()) { |
node = ofw_tree_find_child_by_device_type(cpus_parent(), "cpu"); |
for (i = 0; node; |
node = ofw_tree_find_peer_by_device_type(node, "cpu"), i++) |
wakeup_cpu(node); |
} else if (is_us_iv()) { |
node = ofw_tree_find_child(cpus_parent(), "cmp"); |
while (node) { |
wakeup_cpu(ofw_tree_find_child(node, "cpu@0")); |
wakeup_cpu(ofw_tree_find_child(node, "cpu@1")); |
node = ofw_tree_find_peer_by_name(node, "cmp"); |
} |
} |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/smp/ipi.c |
---|
0,0 → 1,174 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#include <smp/ipi.h> |
#include <cpu.h> |
#include <arch.h> |
#include <arch/cpu.h> |
#include <arch/asm.h> |
#include <config.h> |
#include <mm/tlb.h> |
#include <arch/interrupt.h> |
#include <arch/trap/interrupt.h> |
#include <arch/barrier.h> |
#include <preemption.h> |
#include <time/delay.h> |
#include <panic.h> |
/** Set the contents of the outgoing interrupt vector data. |
* |
* The first data item (data 0) will be set to the value of func, the |
* rest of the vector will contain zeros. |
* |
* This is a helper function used from within the cross_call function. |
* |
* @param func value the first data item of the vector will be set to |
*/ |
static inline void set_intr_w_data(void (* func)(void)) |
{ |
#if defined (US) |
asi_u64_write(ASI_INTR_W, ASI_UDB_INTR_W_DATA_0, (uintptr_t) func); |
asi_u64_write(ASI_INTR_W, ASI_UDB_INTR_W_DATA_1, 0); |
asi_u64_write(ASI_INTR_W, ASI_UDB_INTR_W_DATA_2, 0); |
#elif defined (US3) |
asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_0, (uintptr_t) func); |
asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_1, 0); |
asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_2, 0); |
asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_3, 0); |
asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_4, 0); |
asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_5, 0); |
asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_6, 0); |
asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_7, 0); |
#endif |
} |
/** Invoke function on another processor. |
* |
* Currently, only functions without arguments are supported. |
* Supporting more arguments in the future should be no big deal. |
* |
* Interrupts must be disabled prior to this call. |
* |
* @param mid MID of the target processor. |
* @param func Function to be invoked. |
*/ |
static void cross_call(int mid, void (* func)(void)) |
{ |
uint64_t status; |
bool done; |
/* |
* This function might enable interrupts for a while. |
* In order to prevent migration to another processor, |
* we explicitly disable preemption. |
*/ |
preemption_disable(); |
status = asi_u64_read(ASI_INTR_DISPATCH_STATUS, 0); |
if (status & INTR_DISPATCH_STATUS_BUSY) |
panic("Interrupt Dispatch Status busy bit set."); |
ASSERT(!(pstate_read() & PSTATE_IE_BIT)); |
do { |
set_intr_w_data(func); |
asi_u64_write(ASI_INTR_W, |
(mid << INTR_VEC_DISPATCH_MID_SHIFT) | |
VA_INTR_W_DISPATCH, 0); |
membar(); |
do { |
status = asi_u64_read(ASI_INTR_DISPATCH_STATUS, 0); |
} while (status & INTR_DISPATCH_STATUS_BUSY); |
done = !(status & INTR_DISPATCH_STATUS_NACK); |
if (!done) { |
/* |
* Prevent deadlock. |
*/ |
(void) interrupts_enable(); |
delay(20 + (tick_read() & 0xff)); |
(void) interrupts_disable(); |
} |
} while (done); |
preemption_enable(); |
} |
/* |
* Deliver IPI to all processors except the current one. |
* |
* The sparc64 architecture does not support any group addressing |
* which is found, for instance, on ia32 and amd64. Therefore we |
* need to simulate the broadcast by sending the message to |
* all target processors step by step. |
* |
* We assume that interrupts are disabled. |
* |
* @param ipi IPI number. |
*/ |
void ipi_broadcast_arch(int ipi) |
{ |
unsigned int i; |
void (* func)(void); |
switch (ipi) { |
case IPI_TLB_SHOOTDOWN: |
func = tlb_shootdown_ipi_recv; |
break; |
default: |
panic("Unknown IPI (%d).", ipi); |
break; |
} |
/* |
* As long as we don't support hot-plugging |
* or hot-unplugging of CPUs, we can walk |
* the cpus array and read processor's MID |
* without locking. |
*/ |
for (i = 0; i < config.cpu_active; i++) { |
if (&cpus[i] == CPU) |
continue; /* skip the current CPU */ |
cross_call(cpus[i].arch.mid, func); |
} |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/mm/tlb.c |
---|
0,0 → 1,607 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64mm |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/mm/tlb.h> |
#include <mm/tlb.h> |
#include <mm/as.h> |
#include <mm/asid.h> |
#include <arch/mm/frame.h> |
#include <arch/mm/page.h> |
#include <arch/mm/mmu.h> |
#include <arch/interrupt.h> |
#include <interrupt.h> |
#include <arch.h> |
#include <print.h> |
#include <arch/types.h> |
#include <config.h> |
#include <arch/trap/trap.h> |
#include <arch/trap/exception.h> |
#include <panic.h> |
#include <arch/asm.h> |
#ifdef CONFIG_TSB |
#include <arch/mm/tsb.h> |
#endif |
static void dtlb_pte_copy(pte_t *, size_t, bool); |
static void itlb_pte_copy(pte_t *, size_t); |
static void do_fast_instruction_access_mmu_miss_fault(istate_t *, const char *); |
static void do_fast_data_access_mmu_miss_fault(istate_t *, tlb_tag_access_reg_t, |
const char *); |
static void do_fast_data_access_protection_fault(istate_t *, |
tlb_tag_access_reg_t, const char *); |
char *context_encoding[] = { |
"Primary", |
"Secondary", |
"Nucleus", |
"Reserved" |
}; |
void tlb_arch_init(void) |
{ |
/* |
* Invalidate all non-locked DTLB and ITLB entries. |
*/ |
tlb_invalidate_all(); |
/* |
* Clear both SFSRs. |
*/ |
dtlb_sfsr_write(0); |
itlb_sfsr_write(0); |
} |
/** Insert privileged mapping into DMMU TLB. |
* |
* @param page Virtual page address. |
* @param frame Physical frame address. |
* @param pagesize Page size. |
* @param locked True for permanent mappings, false otherwise. |
* @param cacheable True if the mapping is cacheable, false otherwise. |
*/ |
void dtlb_insert_mapping(uintptr_t page, uintptr_t frame, int pagesize, |
bool locked, bool cacheable) |
{ |
tlb_tag_access_reg_t tag; |
tlb_data_t data; |
page_address_t pg; |
frame_address_t fr; |
pg.address = page; |
fr.address = frame; |
tag.context = ASID_KERNEL; |
tag.vpn = pg.vpn; |
dtlb_tag_access_write(tag.value); |
data.value = 0; |
data.v = true; |
data.size = pagesize; |
data.pfn = fr.pfn; |
data.l = locked; |
data.cp = cacheable; |
#ifdef CONFIG_VIRT_IDX_DCACHE |
data.cv = cacheable; |
#endif /* CONFIG_VIRT_IDX_DCACHE */ |
data.p = true; |
data.w = true; |
data.g = false; |
dtlb_data_in_write(data.value); |
} |
/** Copy PTE to TLB. |
* |
* @param t Page Table Entry to be copied. |
* @param index Zero if lower 8K-subpage, one if higher 8K-subpage. |
* @param ro If true, the entry will be created read-only, regardless |
* of its w field. |
*/ |
void dtlb_pte_copy(pte_t *t, size_t index, bool ro) |
{ |
tlb_tag_access_reg_t tag; |
tlb_data_t data; |
page_address_t pg; |
frame_address_t fr; |
pg.address = t->page + (index << MMU_PAGE_WIDTH); |
fr.address = t->frame + (index << MMU_PAGE_WIDTH); |
tag.value = 0; |
tag.context = t->as->asid; |
tag.vpn = pg.vpn; |
dtlb_tag_access_write(tag.value); |
data.value = 0; |
data.v = true; |
data.size = PAGESIZE_8K; |
data.pfn = fr.pfn; |
data.l = false; |
data.cp = t->c; |
#ifdef CONFIG_VIRT_IDX_DCACHE |
data.cv = t->c; |
#endif /* CONFIG_VIRT_IDX_DCACHE */ |
data.p = t->k; /* p like privileged */ |
data.w = ro ? false : t->w; |
data.g = t->g; |
dtlb_data_in_write(data.value); |
} |
/** Copy PTE to ITLB. |
* |
* @param t Page Table Entry to be copied. |
* @param index Zero if lower 8K-subpage, one if higher 8K-subpage. |
*/ |
void itlb_pte_copy(pte_t *t, size_t index) |
{ |
tlb_tag_access_reg_t tag; |
tlb_data_t data; |
page_address_t pg; |
frame_address_t fr; |
pg.address = t->page + (index << MMU_PAGE_WIDTH); |
fr.address = t->frame + (index << MMU_PAGE_WIDTH); |
tag.value = 0; |
tag.context = t->as->asid; |
tag.vpn = pg.vpn; |
itlb_tag_access_write(tag.value); |
data.value = 0; |
data.v = true; |
data.size = PAGESIZE_8K; |
data.pfn = fr.pfn; |
data.l = false; |
data.cp = t->c; |
data.p = t->k; /* p like privileged */ |
data.w = false; |
data.g = t->g; |
itlb_data_in_write(data.value); |
} |
/** ITLB miss handler. */ |
void fast_instruction_access_mmu_miss(unative_t unused, istate_t *istate) |
{ |
uintptr_t page_16k = ALIGN_DOWN(istate->tpc, PAGE_SIZE); |
size_t index = (istate->tpc >> MMU_PAGE_WIDTH) % MMU_PAGES_PER_PAGE; |
pte_t *t; |
page_table_lock(AS, true); |
t = page_mapping_find(AS, page_16k); |
if (t && PTE_EXECUTABLE(t)) { |
/* |
* The mapping was found in the software page hash table. |
* Insert it into ITLB. |
*/ |
t->a = true; |
itlb_pte_copy(t, index); |
#ifdef CONFIG_TSB |
itsb_pte_copy(t, index); |
#endif |
page_table_unlock(AS, true); |
} else { |
/* |
* Forward the page fault to the address space page fault |
* handler. |
*/ |
page_table_unlock(AS, true); |
if (as_page_fault(page_16k, PF_ACCESS_EXEC, istate) == |
AS_PF_FAULT) { |
do_fast_instruction_access_mmu_miss_fault(istate, |
__func__); |
} |
} |
} |
/** DTLB miss handler. |
* |
* Note that some faults (e.g. kernel faults) were already resolved by the |
* low-level, assembly language part of the fast_data_access_mmu_miss handler. |
* |
* @param tag Content of the TLB Tag Access register as it existed |
* when the trap happened. This is to prevent confusion |
* created by clobbered Tag Access register during a nested |
* DTLB miss. |
* @param istate Interrupted state saved on the stack. |
*/ |
void fast_data_access_mmu_miss(tlb_tag_access_reg_t tag, istate_t *istate) |
{ |
uintptr_t page_8k; |
uintptr_t page_16k; |
size_t index; |
pte_t *t; |
page_8k = (uint64_t) tag.vpn << MMU_PAGE_WIDTH; |
page_16k = ALIGN_DOWN(page_8k, PAGE_SIZE); |
index = tag.vpn % MMU_PAGES_PER_PAGE; |
if (tag.context == ASID_KERNEL) { |
if (!tag.vpn) { |
/* NULL access in kernel */ |
do_fast_data_access_mmu_miss_fault(istate, tag, |
__func__); |
} else if (page_8k >= end_of_identity) { |
/* |
* The kernel is accessing the I/O space. |
* We still do identity mapping for I/O, |
* but without caching. |
*/ |
dtlb_insert_mapping(page_8k, KA2PA(page_8k), |
PAGESIZE_8K, false, false); |
return; |
} |
do_fast_data_access_mmu_miss_fault(istate, tag, "Unexpected " |
"kernel page fault."); |
} |
page_table_lock(AS, true); |
t = page_mapping_find(AS, page_16k); |
if (t) { |
/* |
* The mapping was found in the software page hash table. |
* Insert it into DTLB. |
*/ |
t->a = true; |
dtlb_pte_copy(t, index, true); |
#ifdef CONFIG_TSB |
dtsb_pte_copy(t, index, true); |
#endif |
page_table_unlock(AS, true); |
} else { |
/* |
* Forward the page fault to the address space page fault |
* handler. |
*/ |
page_table_unlock(AS, true); |
if (as_page_fault(page_16k, PF_ACCESS_READ, istate) == |
AS_PF_FAULT) { |
do_fast_data_access_mmu_miss_fault(istate, tag, |
__func__); |
} |
} |
} |
/** DTLB protection fault handler. |
* |
* @param tag Content of the TLB Tag Access register as it existed |
* when the trap happened. This is to prevent confusion |
* created by clobbered Tag Access register during a nested |
* DTLB miss. |
* @param istate Interrupted state saved on the stack. |
*/ |
void fast_data_access_protection(tlb_tag_access_reg_t tag, istate_t *istate) |
{ |
uintptr_t page_16k; |
size_t index; |
pte_t *t; |
page_16k = ALIGN_DOWN((uint64_t) tag.vpn << MMU_PAGE_WIDTH, PAGE_SIZE); |
index = tag.vpn % MMU_PAGES_PER_PAGE; /* 16K-page emulation */ |
page_table_lock(AS, true); |
t = page_mapping_find(AS, page_16k); |
if (t && PTE_WRITABLE(t)) { |
/* |
* The mapping was found in the software page hash table and is |
* writable. Demap the old mapping and insert an updated mapping |
* into DTLB. |
*/ |
t->a = true; |
t->d = true; |
dtlb_demap(TLB_DEMAP_PAGE, TLB_DEMAP_SECONDARY, |
page_16k + index * MMU_PAGE_SIZE); |
dtlb_pte_copy(t, index, false); |
#ifdef CONFIG_TSB |
dtsb_pte_copy(t, index, false); |
#endif |
page_table_unlock(AS, true); |
} else { |
/* |
* Forward the page fault to the address space page fault |
* handler. |
*/ |
page_table_unlock(AS, true); |
if (as_page_fault(page_16k, PF_ACCESS_WRITE, istate) == |
AS_PF_FAULT) { |
do_fast_data_access_protection_fault(istate, tag, |
__func__); |
} |
} |
} |
/** Print TLB entry (for debugging purposes). |
* |
* The diag field has been left out in order to make this function more generic |
* (there is no diag field in US3 architeture). |
* |
* @param i TLB entry number |
* @param t TLB entry tag |
* @param d TLB entry data |
*/ |
static void print_tlb_entry(int i, tlb_tag_read_reg_t t, tlb_data_t d) |
{ |
printf("%d: vpn=%#llx, context=%d, v=%d, size=%d, nfo=%d, " |
"ie=%d, soft2=%#x, pfn=%#x, soft=%#x, l=%d, " |
"cp=%d, cv=%d, e=%d, p=%d, w=%d, g=%d\n", i, t.vpn, |
t.context, d.v, d.size, d.nfo, d.ie, d.soft2, |
d.pfn, d.soft, d.l, d.cp, d.cv, d.e, d.p, d.w, d.g); |
} |
#if defined (US) |
/** Print contents of both TLBs. */ |
void tlb_print(void) |
{ |
int i; |
tlb_data_t d; |
tlb_tag_read_reg_t t; |
printf("I-TLB contents:\n"); |
for (i = 0; i < ITLB_ENTRY_COUNT; i++) { |
d.value = itlb_data_access_read(i); |
t.value = itlb_tag_read_read(i); |
print_tlb_entry(i, t, d); |
} |
printf("D-TLB contents:\n"); |
for (i = 0; i < DTLB_ENTRY_COUNT; i++) { |
d.value = dtlb_data_access_read(i); |
t.value = dtlb_tag_read_read(i); |
print_tlb_entry(i, t, d); |
} |
} |
#elif defined (US3) |
/** Print contents of all TLBs. */ |
void tlb_print(void) |
{ |
int i; |
tlb_data_t d; |
tlb_tag_read_reg_t t; |
printf("TLB_ISMALL contents:\n"); |
for (i = 0; i < tlb_ismall_size(); i++) { |
d.value = dtlb_data_access_read(TLB_ISMALL, i); |
t.value = dtlb_tag_read_read(TLB_ISMALL, i); |
print_tlb_entry(i, t, d); |
} |
printf("TLB_IBIG contents:\n"); |
for (i = 0; i < tlb_ibig_size(); i++) { |
d.value = dtlb_data_access_read(TLB_IBIG, i); |
t.value = dtlb_tag_read_read(TLB_IBIG, i); |
print_tlb_entry(i, t, d); |
} |
printf("TLB_DSMALL contents:\n"); |
for (i = 0; i < tlb_dsmall_size(); i++) { |
d.value = dtlb_data_access_read(TLB_DSMALL, i); |
t.value = dtlb_tag_read_read(TLB_DSMALL, i); |
print_tlb_entry(i, t, d); |
} |
printf("TLB_DBIG_1 contents:\n"); |
for (i = 0; i < tlb_dbig_size(); i++) { |
d.value = dtlb_data_access_read(TLB_DBIG_0, i); |
t.value = dtlb_tag_read_read(TLB_DBIG_0, i); |
print_tlb_entry(i, t, d); |
} |
printf("TLB_DBIG_2 contents:\n"); |
for (i = 0; i < tlb_dbig_size(); i++) { |
d.value = dtlb_data_access_read(TLB_DBIG_1, i); |
t.value = dtlb_tag_read_read(TLB_DBIG_1, i); |
print_tlb_entry(i, t, d); |
} |
} |
#endif |
void do_fast_instruction_access_mmu_miss_fault(istate_t *istate, |
const char *str) |
{ |
fault_if_from_uspace(istate, "%s.", str); |
dump_istate(istate); |
panic("%s.", str); |
} |
void do_fast_data_access_mmu_miss_fault(istate_t *istate, |
tlb_tag_access_reg_t tag, const char *str) |
{ |
uintptr_t va; |
va = tag.vpn << MMU_PAGE_WIDTH; |
if (tag.context) { |
fault_if_from_uspace(istate, "%s, Page=%p (ASID=%d).", str, va, |
tag.context); |
} |
dump_istate(istate); |
printf("Faulting page: %p, ASID=%d.\n", va, tag.context); |
panic("%s.", str); |
} |
void do_fast_data_access_protection_fault(istate_t *istate, |
tlb_tag_access_reg_t tag, const char *str) |
{ |
uintptr_t va; |
va = tag.vpn << MMU_PAGE_WIDTH; |
if (tag.context) { |
fault_if_from_uspace(istate, "%s, Page=%p (ASID=%d).", str, va, |
tag.context); |
} |
printf("Faulting page: %p, ASID=%d\n", va, tag.context); |
dump_istate(istate); |
panic("%s.", str); |
} |
void dump_sfsr_and_sfar(void) |
{ |
tlb_sfsr_reg_t sfsr; |
uintptr_t sfar; |
sfsr.value = dtlb_sfsr_read(); |
sfar = dtlb_sfar_read(); |
#if defined (US) |
printf("DTLB SFSR: asi=%#x, ft=%#x, e=%d, ct=%d, pr=%d, w=%d, ow=%d, " |
"fv=%d\n", sfsr.asi, sfsr.ft, sfsr.e, sfsr.ct, sfsr.pr, sfsr.w, |
sfsr.ow, sfsr.fv); |
#elif defined (US3) |
printf("DTLB SFSR: nf=%d, asi=%#x, tm=%d, ft=%#x, e=%d, ct=%d, pr=%d, " |
"w=%d, ow=%d, fv=%d\n", sfsr.nf, sfsr.asi, sfsr.tm, sfsr.ft, |
sfsr.e, sfsr.ct, sfsr.pr, sfsr.w, sfsr.ow, sfsr.fv); |
#endif |
printf("DTLB SFAR: address=%p\n", sfar); |
dtlb_sfsr_write(0); |
} |
#if defined (US) |
/** Invalidate all unlocked ITLB and DTLB entries. */ |
void tlb_invalidate_all(void) |
{ |
int i; |
/* |
* Walk all ITLB and DTLB entries and remove all unlocked mappings. |
* |
* The kernel doesn't use global mappings so any locked global mappings |
* found must have been created by someone else. Their only purpose now |
* is to collide with proper mappings. Invalidate immediately. It should |
* be safe to invalidate them as late as now. |
*/ |
tlb_data_t d; |
tlb_tag_read_reg_t t; |
for (i = 0; i < ITLB_ENTRY_COUNT; i++) { |
d.value = itlb_data_access_read(i); |
if (!d.l || d.g) { |
t.value = itlb_tag_read_read(i); |
d.v = false; |
itlb_tag_access_write(t.value); |
itlb_data_access_write(i, d.value); |
} |
} |
for (i = 0; i < DTLB_ENTRY_COUNT; i++) { |
d.value = dtlb_data_access_read(i); |
if (!d.l || d.g) { |
t.value = dtlb_tag_read_read(i); |
d.v = false; |
dtlb_tag_access_write(t.value); |
dtlb_data_access_write(i, d.value); |
} |
} |
} |
#elif defined (US3) |
/** Invalidate all unlocked ITLB and DTLB entries. */ |
void tlb_invalidate_all(void) |
{ |
itlb_demap(TLB_DEMAP_ALL, 0, 0); |
dtlb_demap(TLB_DEMAP_ALL, 0, 0); |
} |
#endif |
/** Invalidate all ITLB and DTLB entries that belong to specified ASID |
* (Context). |
* |
* @param asid Address Space ID. |
*/ |
void tlb_invalidate_asid(asid_t asid) |
{ |
tlb_context_reg_t pc_save, ctx; |
/* switch to nucleus because we are mapped by the primary context */ |
nucleus_enter(); |
ctx.v = pc_save.v = mmu_primary_context_read(); |
ctx.context = asid; |
mmu_primary_context_write(ctx.v); |
itlb_demap(TLB_DEMAP_CONTEXT, TLB_DEMAP_PRIMARY, 0); |
dtlb_demap(TLB_DEMAP_CONTEXT, TLB_DEMAP_PRIMARY, 0); |
mmu_primary_context_write(pc_save.v); |
nucleus_leave(); |
} |
/** Invalidate all ITLB and DTLB entries for specified page range in specified |
* address space. |
* |
* @param asid Address Space ID. |
* @param page First page which to sweep out from ITLB and DTLB. |
* @param cnt Number of ITLB and DTLB entries to invalidate. |
*/ |
void tlb_invalidate_pages(asid_t asid, uintptr_t page, size_t cnt) |
{ |
unsigned int i; |
tlb_context_reg_t pc_save, ctx; |
/* switch to nucleus because we are mapped by the primary context */ |
nucleus_enter(); |
ctx.v = pc_save.v = mmu_primary_context_read(); |
ctx.context = asid; |
mmu_primary_context_write(ctx.v); |
for (i = 0; i < cnt * MMU_PAGES_PER_PAGE; i++) { |
itlb_demap(TLB_DEMAP_PAGE, TLB_DEMAP_PRIMARY, |
page + i * MMU_PAGE_SIZE); |
dtlb_demap(TLB_DEMAP_PAGE, TLB_DEMAP_PRIMARY, |
page + i * MMU_PAGE_SIZE); |
} |
mmu_primary_context_write(pc_save.v); |
nucleus_leave(); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/mm/as.c |
---|
0,0 → 1,224 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64mm |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/mm/as.h> |
#include <arch/mm/tlb.h> |
#include <genarch/mm/page_ht.h> |
#include <genarch/mm/asid_fifo.h> |
#include <debug.h> |
#include <config.h> |
#ifdef CONFIG_TSB |
#include <arch/mm/tsb.h> |
#include <arch/memstr.h> |
#include <arch/asm.h> |
#include <mm/frame.h> |
#include <bitops.h> |
#include <macros.h> |
#endif /* CONFIG_TSB */ |
/** Architecture dependent address space init. */ |
void as_arch_init(void) |
{ |
if (config.cpu_active == 1) { |
as_operations = &as_ht_operations; |
asid_fifo_init(); |
} |
} |
int as_constructor_arch(as_t *as, int flags) |
{ |
#ifdef CONFIG_TSB |
/* |
* The order must be calculated with respect to the emulated |
* 16K page size. |
*/ |
int order = fnzb32(((ITSB_ENTRY_COUNT + DTSB_ENTRY_COUNT) * |
sizeof(tsb_entry_t)) >> FRAME_WIDTH); |
uintptr_t tsb = (uintptr_t) frame_alloc(order, flags | FRAME_KA); |
if (!tsb) |
return -1; |
as->arch.itsb = (tsb_entry_t *) tsb; |
as->arch.dtsb = (tsb_entry_t *) (tsb + ITSB_ENTRY_COUNT * |
sizeof(tsb_entry_t)); |
memsetb(as->arch.itsb, |
(ITSB_ENTRY_COUNT + DTSB_ENTRY_COUNT) * sizeof(tsb_entry_t), 0); |
#endif |
return 0; |
} |
int as_destructor_arch(as_t *as) |
{ |
#ifdef CONFIG_TSB |
/* |
* The count must be calculated with respect to the emualted 16K page |
* size. |
*/ |
size_t cnt = ((ITSB_ENTRY_COUNT + DTSB_ENTRY_COUNT) * |
sizeof(tsb_entry_t)) >> FRAME_WIDTH; |
frame_free(KA2PA((uintptr_t) as->arch.itsb)); |
return cnt; |
#else |
return 0; |
#endif |
} |
int as_create_arch(as_t *as, int flags) |
{ |
#ifdef CONFIG_TSB |
tsb_invalidate(as, 0, (size_t) -1); |
#endif |
return 0; |
} |
/** Perform sparc64-specific tasks when an address space becomes active on the |
* processor. |
* |
* Install ASID and map TSBs. |
* |
* @param as Address space. |
*/ |
void as_install_arch(as_t *as) |
{ |
tlb_context_reg_t ctx; |
/* |
* Note that we don't and may not lock the address space. That's ok |
* since we only read members that are currently read-only. |
* |
* Moreover, the as->asid is protected by asidlock, which is being held. |
*/ |
/* |
* Write ASID to secondary context register. The primary context |
* register has to be set from TL>0 so it will be filled from the |
* secondary context register from the TL=1 code just before switch to |
* userspace. |
*/ |
ctx.v = 0; |
ctx.context = as->asid; |
mmu_secondary_context_write(ctx.v); |
#ifdef CONFIG_TSB |
uintptr_t base = ALIGN_DOWN(config.base, 1 << KERNEL_PAGE_WIDTH); |
ASSERT(as->arch.itsb && as->arch.dtsb); |
uintptr_t tsb = (uintptr_t) as->arch.itsb; |
if (!overlaps(tsb, 8 * MMU_PAGE_SIZE, base, 1 << KERNEL_PAGE_WIDTH)) { |
/* |
* TSBs were allocated from memory not covered |
* by the locked 4M kernel DTLB entry. We need |
* to map both TSBs explicitly. |
*/ |
dtlb_demap(TLB_DEMAP_PAGE, TLB_DEMAP_NUCLEUS, tsb); |
dtlb_insert_mapping(tsb, KA2PA(tsb), PAGESIZE_64K, true, true); |
} |
/* |
* Setup TSB Base registers. |
*/ |
tsb_base_reg_t tsb_base; |
tsb_base.value = 0; |
tsb_base.size = TSB_SIZE; |
tsb_base.split = 0; |
tsb_base.base = ((uintptr_t) as->arch.itsb) >> MMU_PAGE_WIDTH; |
itsb_base_write(tsb_base.value); |
tsb_base.base = ((uintptr_t) as->arch.dtsb) >> MMU_PAGE_WIDTH; |
dtsb_base_write(tsb_base.value); |
#if defined (US3) |
/* |
* Clear the extension registers. |
* In HelenOS, primary and secondary context registers contain |
* equal values and kernel misses (context 0, ie. the nucleus context) |
* are excluded from the TSB miss handler, so it makes no sense |
* to have separate TSBs for primary, secondary and nucleus contexts. |
* Clearing the extension registers will ensure that the value of the |
* TSB Base register will be used as an address of TSB, making the code |
* compatible with the US port. |
*/ |
itsb_primary_extension_write(0); |
itsb_nucleus_extension_write(0); |
dtsb_primary_extension_write(0); |
dtsb_secondary_extension_write(0); |
dtsb_nucleus_extension_write(0); |
#endif |
#endif |
} |
/** Perform sparc64-specific tasks when an address space is removed from the |
* processor. |
* |
* Demap TSBs. |
* |
* @param as Address space. |
*/ |
void as_deinstall_arch(as_t *as) |
{ |
/* |
* Note that we don't and may not lock the address space. That's ok |
* since we only read members that are currently read-only. |
* |
* Moreover, the as->asid is protected by asidlock, which is being held. |
*/ |
#ifdef CONFIG_TSB |
uintptr_t base = ALIGN_DOWN(config.base, 1 << KERNEL_PAGE_WIDTH); |
ASSERT(as->arch.itsb && as->arch.dtsb); |
uintptr_t tsb = (uintptr_t) as->arch.itsb; |
if (!overlaps(tsb, 8 * MMU_PAGE_SIZE, base, 1 << KERNEL_PAGE_WIDTH)) { |
/* |
* TSBs were allocated from memory not covered |
* by the locked 4M kernel DTLB entry. We need |
* to demap the entry installed by as_install_arch(). |
*/ |
dtlb_demap(TLB_DEMAP_PAGE, TLB_DEMAP_NUCLEUS, tsb); |
} |
#endif |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/mm/tsb.c |
---|
0,0 → 1,177 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64mm |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/mm/tsb.h> |
#include <arch/mm/tlb.h> |
#include <arch/mm/page.h> |
#include <arch/barrier.h> |
#include <mm/as.h> |
#include <arch/types.h> |
#include <macros.h> |
#include <debug.h> |
#define TSB_INDEX_MASK ((1 << (21 + 1 + TSB_SIZE - MMU_PAGE_WIDTH)) - 1) |
/** Invalidate portion of TSB. |
* |
* We assume that the address space is already locked. Note that respective |
* portions of both TSBs are invalidated at a time. |
* |
* @param as Address space. |
* @param page First page to invalidate in TSB. |
* @param pages Number of pages to invalidate. Value of (size_t) -1 means the |
* whole TSB. |
*/ |
void tsb_invalidate(as_t *as, uintptr_t page, size_t pages) |
{ |
size_t i0; |
size_t i; |
size_t cnt; |
ASSERT(as->arch.itsb && as->arch.dtsb); |
i0 = (page >> MMU_PAGE_WIDTH) & TSB_INDEX_MASK; |
ASSERT(i0 < ITSB_ENTRY_COUNT && i0 < DTSB_ENTRY_COUNT); |
if (pages == (size_t) -1 || (pages * 2) > ITSB_ENTRY_COUNT) |
cnt = ITSB_ENTRY_COUNT; |
else |
cnt = pages * 2; |
for (i = 0; i < cnt; i++) { |
as->arch.itsb[(i0 + i) & (ITSB_ENTRY_COUNT - 1)].tag.invalid = |
true; |
as->arch.dtsb[(i0 + i) & (DTSB_ENTRY_COUNT - 1)].tag.invalid = |
true; |
} |
} |
/** Copy software PTE to ITSB. |
* |
* @param t Software PTE. |
* @param index Zero if lower 8K-subpage, one if higher 8K subpage. |
*/ |
void itsb_pte_copy(pte_t *t, size_t index) |
{ |
as_t *as; |
tsb_entry_t *tsb; |
size_t entry; |
ASSERT(index <= 1); |
as = t->as; |
entry = ((t->page >> MMU_PAGE_WIDTH) + index) & TSB_INDEX_MASK; |
ASSERT(entry < ITSB_ENTRY_COUNT); |
tsb = &as->arch.itsb[entry]; |
/* |
* We use write barriers to make sure that the TSB load |
* won't use inconsistent data or that the fault will |
* be repeated. |
*/ |
tsb->tag.invalid = true; /* invalidate the entry |
* (tag target has this |
* set to 0) */ |
write_barrier(); |
tsb->tag.context = as->asid; |
/* the shift is bigger than PAGE_WIDTH, do not bother with index */ |
tsb->tag.va_tag = t->page >> VA_TAG_PAGE_SHIFT; |
tsb->data.value = 0; |
tsb->data.size = PAGESIZE_8K; |
tsb->data.pfn = (t->frame >> MMU_FRAME_WIDTH) + index; |
tsb->data.cp = t->c; /* cp as cache in phys.-idxed, c as cacheable */ |
tsb->data.p = t->k; /* p as privileged, k as kernel */ |
tsb->data.v = t->p; /* v as valid, p as present */ |
write_barrier(); |
tsb->tag.invalid = false; /* mark the entry as valid */ |
} |
/** Copy software PTE to DTSB. |
* |
* @param t Software PTE. |
* @param index Zero if lower 8K-subpage, one if higher 8K-subpage. |
* @param ro If true, the mapping is copied read-only. |
*/ |
void dtsb_pte_copy(pte_t *t, size_t index, bool ro) |
{ |
as_t *as; |
tsb_entry_t *tsb; |
size_t entry; |
ASSERT(index <= 1); |
as = t->as; |
entry = ((t->page >> MMU_PAGE_WIDTH) + index) & TSB_INDEX_MASK; |
ASSERT(entry < DTSB_ENTRY_COUNT); |
tsb = &as->arch.dtsb[entry]; |
/* |
* We use write barriers to make sure that the TSB load |
* won't use inconsistent data or that the fault will |
* be repeated. |
*/ |
tsb->tag.invalid = true; /* invalidate the entry |
* (tag target has this |
* set to 0) */ |
write_barrier(); |
tsb->tag.context = as->asid; |
/* the shift is bigger than PAGE_WIDTH, do not bother with index */ |
tsb->tag.va_tag = t->page >> VA_TAG_PAGE_SHIFT; |
tsb->data.value = 0; |
tsb->data.size = PAGESIZE_8K; |
tsb->data.pfn = (t->frame >> MMU_FRAME_WIDTH) + index; |
tsb->data.cp = t->c; |
#ifdef CONFIG_VIRT_IDX_DCACHE |
tsb->data.cv = t->c; |
#endif /* CONFIG_VIRT_IDX_DCACHE */ |
tsb->data.p = t->k; /* p as privileged */ |
tsb->data.w = ro ? false : t->w; |
tsb->data.v = t->p; |
write_barrier(); |
tsb->tag.invalid = false; /* mark the entry as valid */ |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/mm/page.c |
---|
0,0 → 1,69 |
/* |
* Copyright (c) 2009 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64mm |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/mm/page.h> |
#include <arch/mm/tlb.h> |
#include <genarch/mm/page_ht.h> |
#include <mm/frame.h> |
#include <arch/mm/frame.h> |
#include <bitops.h> |
#include <debug.h> |
#include <align.h> |
#include <config.h> |
/** Perform sparc64 specific initialization of paging. */ |
void page_arch_init(void) |
{ |
if (config.cpu_active == 1) |
page_mapping_operations = &ht_mapping_operations; |
} |
/** Map memory-mapped device into virtual memory. |
* |
* We are currently using identity mapping for mapping device registers. |
* |
* @param physaddr Physical address of the page where the device is |
* located. |
* @param size Size of the device's registers. |
* |
* @return Virtual address of the page where the device is mapped. |
* |
*/ |
uintptr_t hw_map(uintptr_t physaddr, size_t size) |
{ |
return PA2KA(physaddr); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/mm/frame.c |
---|
0,0 → 1,87 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64mm |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/mm/frame.h> |
#include <mm/frame.h> |
#include <arch/boot/boot.h> |
#include <arch/types.h> |
#include <config.h> |
#include <align.h> |
#include <macros.h> |
uintptr_t last_frame = NULL; |
/** Create memory zones according to information stored in bootinfo. |
* |
* Walk the bootinfo memory map and create frame zones according to it. |
*/ |
void frame_arch_init(void) |
{ |
unsigned int i; |
pfn_t confdata; |
if (config.cpu_active == 1) { |
for (i = 0; i < bootinfo.memmap.count; i++) { |
uintptr_t start = bootinfo.memmap.zones[i].start; |
size_t size = bootinfo.memmap.zones[i].size; |
/* |
* The memmap is created by HelenOS boot loader. |
* It already contains no holes. |
*/ |
confdata = ADDR2PFN(start); |
if (confdata == ADDR2PFN(KA2PA(PFN2ADDR(0)))) |
confdata = ADDR2PFN(KA2PA(PFN2ADDR(2))); |
zone_create(ADDR2PFN(start), |
SIZE2FRAMES(ALIGN_DOWN(size, FRAME_SIZE)), |
confdata, 0); |
last_frame = max(last_frame, start + ALIGN_UP(size, |
FRAME_SIZE)); |
} |
/* |
* On sparc64, physical memory can start on a non-zero address. |
* The generic frame_init() only marks PFN 0 as not free, so we |
* must mark the physically first frame not free explicitly |
* here, no matter what is its address. |
*/ |
frame_mark_unavailable(ADDR2PFN(KA2PA(PFN2ADDR(0))), 1); |
} |
end_of_identity = PA2KA(last_frame); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/mm/cache.S |
---|
0,0 → 1,49 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <arch/arch.h> |
#include <arch/mm/cache_spec.h> |
#define DCACHE_TAG_SHIFT 2 |
.register %g2, #scratch |
.register %g3, #scratch |
/** Flush the whole D-cache. */ |
.global dcache_flush |
dcache_flush: |
set (DCACHE_SIZE - DCACHE_LINE_SIZE), %g1 |
stxa %g0, [%g1] ASI_DCACHE_TAG |
0: membar #Sync |
subcc %g1, DCACHE_LINE_SIZE, %g1 |
bnz,pt %xcc, 0b |
stxa %g0, [%g1] ASI_DCACHE_TAG |
membar #Sync |
retl |
! beware SF Erratum #51, do not put the MEMBAR here |
nop |
/branches/arm/kernel/arch/sparc64/src/drivers/fhc.c |
---|
0,0 → 1,128 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** |
* @file |
* @brief FireHose Controller (FHC) driver. |
* |
* Note that this driver is a result of reverse engineering |
* rather than implementation of a specification. This |
* is due to the fact that the FHC documentation is not |
* publicly available. |
*/ |
#include <arch/drivers/fhc.h> |
#include <arch/trap/interrupt.h> |
#include <mm/page.h> |
#include <mm/slab.h> |
#include <arch/types.h> |
#include <genarch/ofw/ofw_tree.h> |
#include <sysinfo/sysinfo.h> |
fhc_t *central_fhc = NULL; |
/** |
* I suspect this must be hardcoded in the FHC. |
* If it is not, than we can read all IMAP registers |
* and get the complete mapping. |
*/ |
#define FHC_UART_INR 0x39 |
#define FHC_UART_IMAP 0x0 |
#define FHC_UART_ICLR 0x4 |
#define UART_IMAP_REG 4 |
fhc_t *fhc_init(ofw_tree_node_t *node) |
{ |
fhc_t *fhc; |
ofw_tree_property_t *prop; |
prop = ofw_tree_getprop(node, "reg"); |
if (!prop || !prop->value) |
return NULL; |
size_t regs = prop->size / sizeof(ofw_central_reg_t); |
if (regs + 1 < UART_IMAP_REG) |
return NULL; |
ofw_central_reg_t *reg = &((ofw_central_reg_t *) prop->value)[UART_IMAP_REG]; |
uintptr_t paddr; |
if (!ofw_central_apply_ranges(node->parent, reg, &paddr)) |
return NULL; |
fhc = (fhc_t *) malloc(sizeof(fhc_t), FRAME_ATOMIC); |
if (!fhc) |
return NULL; |
fhc->uart_imap = (uint32_t *) hw_map(paddr, reg->size); |
/* |
* Set sysinfo data needed by the uspace FHC driver. |
*/ |
sysinfo_set_item_val("fhc.uart.size", NULL, reg->size); |
sysinfo_set_item_val("fhc.uart.physical", NULL, paddr); |
sysinfo_set_item_val("kbd.cir.fhc", NULL, 1); |
return fhc; |
} |
void fhc_enable_interrupt(fhc_t *fhc, int inr) |
{ |
switch (inr) { |
case FHC_UART_INR: |
fhc->uart_imap[FHC_UART_IMAP] |= IMAP_V_MASK; |
break; |
default: |
panic("Unexpected INR (%d).", inr); |
break; |
} |
} |
void fhc_clear_interrupt(void *fhcp, int inr) |
{ |
fhc_t *fhc = (fhc_t *)fhcp; |
ASSERT(fhc->uart_imap); |
switch (inr) { |
case FHC_UART_INR: |
fhc->uart_imap[FHC_UART_ICLR] = 0; |
break; |
default: |
panic("Unexpected INR (%d).", inr); |
break; |
} |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/drivers/pci.c |
---|
0,0 → 1,233 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** |
* @file |
* @brief PCI driver. |
*/ |
#include <arch/drivers/pci.h> |
#include <genarch/ofw/ofw_tree.h> |
#include <arch/trap/interrupt.h> |
#include <mm/page.h> |
#include <mm/slab.h> |
#include <arch/types.h> |
#include <debug.h> |
#include <print.h> |
#include <string.h> |
#include <arch/asm.h> |
#include <sysinfo/sysinfo.h> |
#define SABRE_INTERNAL_REG 0 |
#define PSYCHO_INTERNAL_REG 2 |
#define OBIO_IMR_BASE 0x200 |
#define OBIO_IMR(ino) (OBIO_IMR_BASE + ((ino) & INO_MASK)) |
#define OBIO_CIR_BASE 0x300 |
#define OBIO_CIR(ino) (OBIO_CIR_BASE + ((ino) & INO_MASK)) |
static void obio_enable_interrupt(pci_t *, int); |
static void obio_clear_interrupt(pci_t *, int); |
static pci_t *pci_sabre_init(ofw_tree_node_t *); |
static pci_t *pci_psycho_init(ofw_tree_node_t *); |
/** PCI operations for Sabre model. */ |
static pci_operations_t pci_sabre_ops = { |
.enable_interrupt = obio_enable_interrupt, |
.clear_interrupt = obio_clear_interrupt |
}; |
/** PCI operations for Psycho model. */ |
static pci_operations_t pci_psycho_ops = { |
.enable_interrupt = obio_enable_interrupt, |
.clear_interrupt = obio_clear_interrupt |
}; |
/** Initialize PCI controller (model Sabre). |
* |
* @param node OpenFirmware device tree node of the Sabre. |
* |
* @return Address of the initialized PCI structure. |
*/ |
pci_t *pci_sabre_init(ofw_tree_node_t *node) |
{ |
pci_t *pci; |
ofw_tree_property_t *prop; |
/* |
* Get registers. |
*/ |
prop = ofw_tree_getprop(node, "reg"); |
if (!prop || !prop->value) |
return NULL; |
ofw_upa_reg_t *reg = prop->value; |
size_t regs = prop->size / sizeof(ofw_upa_reg_t); |
if (regs < SABRE_INTERNAL_REG + 1) |
return NULL; |
uintptr_t paddr; |
if (!ofw_upa_apply_ranges(node->parent, ®[SABRE_INTERNAL_REG], |
&paddr)) |
return NULL; |
pci = (pci_t *) malloc(sizeof(pci_t), FRAME_ATOMIC); |
if (!pci) |
return NULL; |
pci->model = PCI_SABRE; |
pci->op = &pci_sabre_ops; |
pci->reg = (uint64_t *) hw_map(paddr, reg[SABRE_INTERNAL_REG].size); |
/* |
* Set sysinfo data needed by the uspace OBIO driver. |
*/ |
sysinfo_set_item_val("obio.base.physical", NULL, paddr); |
sysinfo_set_item_val("kbd.cir.obio", NULL, 1); |
return pci; |
} |
/** Initialize the Psycho PCI controller. |
* |
* @param node OpenFirmware device tree node of the Psycho. |
* |
* @return Address of the initialized PCI structure. |
*/ |
pci_t *pci_psycho_init(ofw_tree_node_t *node) |
{ |
pci_t *pci; |
ofw_tree_property_t *prop; |
/* |
* Get registers. |
*/ |
prop = ofw_tree_getprop(node, "reg"); |
if (!prop || !prop->value) |
return NULL; |
ofw_upa_reg_t *reg = prop->value; |
size_t regs = prop->size / sizeof(ofw_upa_reg_t); |
if (regs < PSYCHO_INTERNAL_REG + 1) |
return NULL; |
uintptr_t paddr; |
if (!ofw_upa_apply_ranges(node->parent, ®[PSYCHO_INTERNAL_REG], |
&paddr)) |
return NULL; |
pci = (pci_t *) malloc(sizeof(pci_t), FRAME_ATOMIC); |
if (!pci) |
return NULL; |
pci->model = PCI_PSYCHO; |
pci->op = &pci_psycho_ops; |
pci->reg = (uint64_t *) hw_map(paddr, reg[PSYCHO_INTERNAL_REG].size); |
/* |
* Set sysinfo data needed by the uspace OBIO driver. |
*/ |
sysinfo_set_item_val("obio.base.physical", NULL, paddr); |
sysinfo_set_item_val("kbd.cir.obio", NULL, 1); |
return pci; |
} |
void obio_enable_interrupt(pci_t *pci, int inr) |
{ |
pci->reg[OBIO_IMR(inr & INO_MASK)] |= IMAP_V_MASK; |
} |
void obio_clear_interrupt(pci_t *pci, int inr) |
{ |
pci->reg[OBIO_CIR(inr & INO_MASK)] = 0; /* set IDLE */ |
} |
/** Initialize PCI controller. */ |
pci_t *pci_init(ofw_tree_node_t *node) |
{ |
ofw_tree_property_t *prop; |
/* |
* First, verify this is a PCI node. |
*/ |
ASSERT(str_cmp(ofw_tree_node_name(node), "pci") == 0); |
/* |
* Determine PCI controller model. |
*/ |
prop = ofw_tree_getprop(node, "model"); |
if (!prop || !prop->value) |
return NULL; |
if (str_cmp(prop->value, "SUNW,sabre") == 0) { |
/* |
* PCI controller Sabre. |
* This model is found on UltraSPARC IIi based machines. |
*/ |
return pci_sabre_init(node); |
} else if (str_cmp(prop->value, "SUNW,psycho") == 0) { |
/* |
* PCI controller Psycho. |
* Used on UltraSPARC II based processors, for instance, |
* on Ultra 60. |
*/ |
return pci_psycho_init(node); |
} else { |
/* |
* Unsupported model. |
*/ |
printf("Unsupported PCI controller model (%s).\n", prop->value); |
} |
return NULL; |
} |
void pci_enable_interrupt(pci_t *pci, int inr) |
{ |
ASSERT(pci->op && pci->op->enable_interrupt); |
pci->op->enable_interrupt(pci, inr); |
} |
void pci_clear_interrupt(void *pcip, int inr) |
{ |
pci_t *pci = (pci_t *)pcip; |
ASSERT(pci->op && pci->op->clear_interrupt); |
pci->op->clear_interrupt(pci, inr); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/drivers/sgcn.c |
---|
0,0 → 1,387 |
/* |
* Copyright (c) 2008 Pavel Rimsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** |
* @file |
* @brief SGCN driver. |
*/ |
#include <arch.h> |
#include <arch/drivers/sgcn.h> |
#include <arch/drivers/kbd.h> |
#include <genarch/ofw/ofw_tree.h> |
#include <debug.h> |
#include <string.h> |
#include <print.h> |
#include <mm/page.h> |
#include <proc/thread.h> |
#include <console/chardev.h> |
#include <console/console.h> |
#include <sysinfo/sysinfo.h> |
#include <synch/spinlock.h> |
#define POLL_INTERVAL 10000 |
/* |
* Physical address at which the SBBC starts. This value has been obtained |
* by inspecting (using Simics) memory accesses made by OBP. It is valid |
* for the Simics-simulated Serengeti machine. The author of this code is |
* not sure whether this value is valid generally. |
*/ |
#define SBBC_START 0x63000000000 |
/* offset of SRAM within the SBBC memory */ |
#define SBBC_SRAM_OFFSET 0x900000 |
/* size (in bytes) of the physical memory area which will be mapped */ |
#define MAPPED_AREA_SIZE (128 * 1024) |
/* magic string contained at the beginning of SRAM */ |
#define SRAM_TOC_MAGIC "TOCSRAM" |
/* |
* Key into the SRAM table of contents which identifies the entry |
* describing the OBP console buffer. It is worth mentioning |
* that the OBP console buffer is not the only console buffer |
* which can be used. It is, however, used because when the kernel |
* is running, the OBP buffer is not used by OBP any more but OBP |
* has already made necessary arrangements so that the output will |
* be read from the OBP buffer and input will go to the OBP buffer. |
* Therefore HelenOS needs to make no such arrangements any more. |
*/ |
#define CONSOLE_KEY "OBPCONS" |
/* magic string contained at the beginning of the console buffer */ |
#define SGCN_BUFFER_MAGIC "CON" |
/* |
* Returns a pointer to the object of a given type which is placed at the given |
* offset from the SRAM beginning. |
*/ |
#define SRAM(type, offset) ((type *) (sram_begin + (offset))) |
/* Returns a pointer to the SRAM table of contents. */ |
#define SRAM_TOC (SRAM(iosram_toc_t, 0)) |
/* |
* Returns a pointer to the object of a given type which is placed at the given |
* offset from the console buffer beginning. |
*/ |
#define SGCN_BUFFER(type, offset) \ |
((type *) (sgcn_buffer_begin + (offset))) |
/** Returns a pointer to the console buffer header. */ |
#define SGCN_BUFFER_HEADER (SGCN_BUFFER(sgcn_buffer_header_t, 0)) |
/** starting address of SRAM, will be set by the init_sram_begin function */ |
static uintptr_t sram_begin; |
/** |
* starting address of the SGCN buffer, will be set by the |
* init_sgcn_buffer_begin function |
*/ |
static uintptr_t sgcn_buffer_begin; |
/* true iff the kernel driver should ignore pressed keys */ |
static bool kbd_disabled; |
/* |
* Ensures that writing to the buffer and consequent update of the write pointer |
* are together one atomic operation. |
*/ |
SPINLOCK_INITIALIZE(sgcn_output_lock); |
/* |
* Prevents the input buffer read/write pointers from getting to inconsistent |
* state. |
*/ |
SPINLOCK_INITIALIZE(sgcn_input_lock); |
/* functions referenced from definitions of I/O operations structures */ |
static void sgcn_putchar(outdev_t *, const wchar_t, bool); |
/** SGCN output device operations */ |
static outdev_operations_t sgcnout_ops = { |
.write = sgcn_putchar |
}; |
static outdev_t sgcnout; /**< SGCN output device. */ |
/** |
* Set some sysinfo values (SRAM address and SRAM size). |
*/ |
static void register_sram(uintptr_t sram_begin_physical) |
{ |
sysinfo_set_item_val("sram.area.size", NULL, MAPPED_AREA_SIZE); |
sysinfo_set_item_val("sram.address.physical", NULL, |
sram_begin_physical); |
} |
/** |
* Initializes the starting address of SRAM. |
* |
* The SRAM starts 0x900000 + C bytes behind the SBBC start in the |
* physical memory, where C is the value read from the "iosram-toc" |
* property of the "/chosen" OBP node. The sram_begin variable will |
* be set to the virtual address which maps to the SRAM physical |
* address. |
*/ |
static void init_sram_begin(void) |
{ |
ofw_tree_node_t *chosen; |
ofw_tree_property_t *iosram_toc; |
uintptr_t sram_begin_physical; |
chosen = ofw_tree_lookup("/chosen"); |
if (!chosen) |
panic("Cannot find '/chosen'."); |
iosram_toc = ofw_tree_getprop(chosen, "iosram-toc"); |
if (!iosram_toc) |
panic("Cannot find property 'iosram-toc'."); |
if (!iosram_toc->value) |
panic("Cannot find SRAM TOC."); |
sram_begin_physical = SBBC_START + SBBC_SRAM_OFFSET |
+ *((uint32_t *) iosram_toc->value); |
sram_begin = hw_map(sram_begin_physical, MAPPED_AREA_SIZE); |
register_sram(sram_begin_physical); |
} |
/** |
* Initializes the starting address of the SGCN buffer. |
* |
* The offset of the SGCN buffer within SRAM is obtained from the |
* SRAM table of contents. The table of contents contains |
* information about several buffers, among which there is an OBP |
* console buffer - this one will be used as the SGCN buffer. |
* |
* This function also writes the offset of the SGCN buffer within SRAM |
* under the sram.buffer.offset sysinfo key. |
*/ |
static void sgcn_buffer_begin_init(void) |
{ |
static bool initialized; |
if (initialized) |
return; |
init_sram_begin(); |
ASSERT(str_cmp(SRAM_TOC->magic, SRAM_TOC_MAGIC) == 0); |
/* lookup TOC entry with the correct key */ |
uint32_t i; |
for (i = 0; i < MAX_TOC_ENTRIES; i++) { |
if (str_cmp(SRAM_TOC->keys[i].key, CONSOLE_KEY) == 0) |
break; |
} |
ASSERT(i < MAX_TOC_ENTRIES); |
sgcn_buffer_begin = sram_begin + SRAM_TOC->keys[i].offset; |
sysinfo_set_item_val("sram.buffer.offset", NULL, |
SRAM_TOC->keys[i].offset); |
initialized = true; |
} |
/** |
* Writes a single character to the SGCN (circular) output buffer |
* and updates the output write pointer so that SGCN gets to know |
* that the character has been written. |
*/ |
static void sgcn_do_putchar(const char c) |
{ |
uint32_t begin = SGCN_BUFFER_HEADER->out_begin; |
uint32_t end = SGCN_BUFFER_HEADER->out_end; |
uint32_t size = end - begin; |
/* we need pointers to volatile variables */ |
volatile char *buf_ptr = (volatile char *) |
SGCN_BUFFER(char, SGCN_BUFFER_HEADER->out_wrptr); |
volatile uint32_t *out_wrptr_ptr = &(SGCN_BUFFER_HEADER->out_wrptr); |
volatile uint32_t *out_rdptr_ptr = &(SGCN_BUFFER_HEADER->out_rdptr); |
/* |
* Write the character and increment the write pointer modulo the |
* output buffer size. Note that if we are to rewrite a character |
* which has not been read by the SGCN controller yet (i.e. the output |
* buffer is full), we need to wait until the controller reads some more |
* characters. We wait actively, which means that all threads waiting |
* for the lock are blocked. However, this situation is |
* 1) rare - the output buffer is big, so filling the whole |
* output buffer is improbable |
* 2) short-lasting - it will take the controller only a fraction |
* of millisecond to pick the unread characters up |
* 3) not serious - the blocked threads are those that print something |
* to user console, which is not a time-critical operation |
*/ |
uint32_t new_wrptr = (((*out_wrptr_ptr) - begin + 1) % size) + begin; |
while (*out_rdptr_ptr == new_wrptr) |
; |
*buf_ptr = c; |
*out_wrptr_ptr = new_wrptr; |
} |
/** |
* SGCN output operation. Prints a single character to the SGCN. Newline |
* character is converted to CRLF. |
*/ |
static void sgcn_putchar(outdev_t *od, const wchar_t ch, bool silent) |
{ |
if (!silent) { |
spinlock_lock(&sgcn_output_lock); |
if (ascii_check(ch)) { |
if (ch == '\n') |
sgcn_do_putchar('\r'); |
sgcn_do_putchar(ch); |
} else |
sgcn_do_putchar(U_SPECIAL); |
spinlock_unlock(&sgcn_output_lock); |
} |
} |
/** |
* Grabs the input for kernel. |
*/ |
void sgcn_grab(void) |
{ |
kbd_disabled = false; |
} |
/** |
* Releases the input so that userspace can use it. |
*/ |
void sgcn_release(void) |
{ |
kbd_disabled = true; |
} |
/** |
* Function regularly called by the keyboard polling thread. Finds out whether |
* there are some unread characters in the input queue. If so, it picks them up |
* and sends them to the upper layers of HelenOS. |
*/ |
static void sgcn_poll(sgcn_instance_t *instance) |
{ |
uint32_t begin = SGCN_BUFFER_HEADER->in_begin; |
uint32_t end = SGCN_BUFFER_HEADER->in_end; |
uint32_t size = end - begin; |
if (kbd_disabled) |
return; |
spinlock_lock(&sgcn_input_lock); |
/* we need pointers to volatile variables */ |
volatile char *buf_ptr = (volatile char *) |
SGCN_BUFFER(char, SGCN_BUFFER_HEADER->in_rdptr); |
volatile uint32_t *in_wrptr_ptr = &(SGCN_BUFFER_HEADER->in_wrptr); |
volatile uint32_t *in_rdptr_ptr = &(SGCN_BUFFER_HEADER->in_rdptr); |
while (*in_rdptr_ptr != *in_wrptr_ptr) { |
buf_ptr = (volatile char *) |
SGCN_BUFFER(char, SGCN_BUFFER_HEADER->in_rdptr); |
char c = *buf_ptr; |
*in_rdptr_ptr = (((*in_rdptr_ptr) - begin + 1) % size) + begin; |
indev_push_character(instance->srlnin, c); |
} |
spinlock_unlock(&sgcn_input_lock); |
} |
/** |
* Polling thread function. |
*/ |
static void ksgcnpoll(void *instance) { |
while (1) { |
if (!silent) |
sgcn_poll(instance); |
thread_usleep(POLL_INTERVAL); |
} |
} |
/** |
* A public function which initializes input from the Serengeti console. |
*/ |
sgcn_instance_t *sgcnin_init(void) |
{ |
sgcn_buffer_begin_init(); |
sgcn_instance_t *instance = |
malloc(sizeof(sgcn_instance_t), FRAME_ATOMIC); |
if (instance) { |
instance->srlnin = NULL; |
instance->thread = thread_create(ksgcnpoll, instance, TASK, 0, |
"ksgcnpoll", true); |
if (!instance->thread) { |
free(instance); |
return NULL; |
} |
} |
return instance; |
} |
void sgcnin_wire(sgcn_instance_t *instance, indev_t *srlnin) |
{ |
ASSERT(instance); |
ASSERT(srlnin); |
instance->srlnin = srlnin; |
thread_ready(instance->thread); |
sysinfo_set_item_val("kbd", NULL, true); |
} |
/** |
* A public function which initializes output to the Serengeti console. |
*/ |
void sgcnout_init(void) |
{ |
sgcn_buffer_begin_init(); |
sysinfo_set_item_val("fb.kind", NULL, 4); |
outdev_initialize("sgcnout", &sgcnout, &sgcnout_ops); |
stdout = &sgcnout; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/drivers/kbd.c |
---|
0,0 → 1,253 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/drivers/kbd.h> |
#include <genarch/ofw/ofw_tree.h> |
#ifdef CONFIG_SUN_KBD |
#include <genarch/kbrd/kbrd.h> |
#endif |
#ifdef CONFIG_Z8530 |
#include <genarch/drivers/z8530/z8530.h> |
#endif |
#ifdef CONFIG_NS16550 |
#include <genarch/drivers/ns16550/ns16550.h> |
#endif |
#include <console/console.h> |
#include <ddi/irq.h> |
#include <arch/mm/page.h> |
#include <arch/types.h> |
#include <align.h> |
#include <string.h> |
#include <print.h> |
#include <sysinfo/sysinfo.h> |
#ifdef CONFIG_SUN_KBD |
#ifdef CONFIG_Z8530 |
static bool kbd_z8530_init(ofw_tree_node_t *node) |
{ |
const char *name = ofw_tree_node_name(node); |
if (str_cmp(name, "zs") != 0) |
return false; |
/* |
* Read 'interrupts' property. |
*/ |
ofw_tree_property_t *prop = ofw_tree_getprop(node, "interrupts"); |
if ((!prop) || (!prop->value)) { |
printf("z8530: Unable to find interrupts property\n"); |
return false; |
} |
uint32_t interrupts = *((uint32_t *) prop->value); |
/* |
* Read 'reg' property. |
*/ |
prop = ofw_tree_getprop(node, "reg"); |
if ((!prop) || (!prop->value)) { |
printf("z8530: Unable to find reg property\n"); |
return false; |
} |
size_t size = ((ofw_fhc_reg_t *) prop->value)->size; |
uintptr_t pa; |
if (!ofw_fhc_apply_ranges(node->parent, |
((ofw_fhc_reg_t *) prop->value), &pa)) { |
printf("z8530: Failed to determine address\n"); |
return false; |
} |
inr_t inr; |
cir_t cir; |
void *cir_arg; |
if (!ofw_fhc_map_interrupt(node->parent, |
((ofw_fhc_reg_t *) prop->value), interrupts, &inr, &cir, |
&cir_arg)) { |
printf("z8530: Failed to determine interrupt\n"); |
return false; |
} |
/* |
* We need to pass aligned address to hw_map(). |
* However, the physical keyboard address can |
* be pretty much unaligned, depending on the |
* underlying controller. |
*/ |
uintptr_t aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE); |
size_t offset = pa - aligned_addr; |
z8530_t *z8530 = (z8530_t *) |
(hw_map(aligned_addr, offset + size) + offset); |
z8530_instance_t *z8530_instance = z8530_init(z8530, inr, cir, cir_arg); |
if (z8530_instance) { |
kbrd_instance_t *kbrd_instance = kbrd_init(); |
if (kbrd_instance) { |
indev_t *sink = stdin_wire(); |
indev_t *kbrd = kbrd_wire(kbrd_instance, sink); |
z8530_wire(z8530_instance, kbrd); |
} |
} |
/* |
* This is the necessary evil until the userspace drivers are |
* entirely self-sufficient. |
*/ |
sysinfo_set_item_val("kbd", NULL, true); |
sysinfo_set_item_val("kbd.inr", NULL, inr); |
sysinfo_set_item_val("kbd.address.kernel", NULL, |
(uintptr_t) z8530); |
sysinfo_set_item_val("kbd.address.physical", NULL, pa); |
sysinfo_set_item_val("kbd.type.z8530", NULL, true); |
return true; |
} |
#endif /* CONFIG_Z8530 */ |
#ifdef CONFIG_NS16550 |
static bool kbd_ns16550_init(ofw_tree_node_t *node) |
{ |
const char *name = ofw_tree_node_name(node); |
if (str_cmp(name, "su") != 0) |
return false; |
/* |
* Read 'interrupts' property. |
*/ |
ofw_tree_property_t *prop = ofw_tree_getprop(node, "interrupts"); |
if ((!prop) || (!prop->value)) { |
printf("ns16550: Unable to find interrupts property\n"); |
return false; |
} |
uint32_t interrupts = *((uint32_t *) prop->value); |
/* |
* Read 'reg' property. |
*/ |
prop = ofw_tree_getprop(node, "reg"); |
if ((!prop) || (!prop->value)) { |
printf("ns16550: Unable to find reg property\n"); |
return false; |
} |
size_t size = ((ofw_ebus_reg_t *) prop->value)->size; |
uintptr_t pa; |
if (!ofw_ebus_apply_ranges(node->parent, |
((ofw_ebus_reg_t *) prop->value), &pa)) { |
printf("ns16550: Failed to determine address\n"); |
return false; |
} |
inr_t inr; |
cir_t cir; |
void *cir_arg; |
if (!ofw_ebus_map_interrupt(node->parent, |
((ofw_ebus_reg_t *) prop->value), interrupts, &inr, &cir, |
&cir_arg)) { |
printf("ns16550: Failed to determine interrupt\n"); |
return false; |
} |
/* |
* We need to pass aligned address to hw_map(). |
* However, the physical keyboard address can |
* be pretty much unaligned, depending on the |
* underlying controller. |
*/ |
uintptr_t aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE); |
size_t offset = pa - aligned_addr; |
ns16550_t *ns16550 = (ns16550_t *) |
(hw_map(aligned_addr, offset + size) + offset); |
ns16550_instance_t *ns16550_instance = ns16550_init(ns16550, inr, cir, cir_arg); |
if (ns16550_instance) { |
kbrd_instance_t *kbrd_instance = kbrd_init(); |
if (kbrd_instance) { |
indev_t *sink = stdin_wire(); |
indev_t *kbrd = kbrd_wire(kbrd_instance, sink); |
ns16550_wire(ns16550_instance, kbrd); |
} |
} |
/* |
* This is the necessary evil until the userspace drivers are |
* entirely self-sufficient. |
*/ |
sysinfo_set_item_val("kbd", NULL, true); |
sysinfo_set_item_val("kbd.inr", NULL, inr); |
sysinfo_set_item_val("kbd.address.kernel", NULL, |
(uintptr_t) ns16550); |
sysinfo_set_item_val("kbd.address.physical", NULL, pa); |
sysinfo_set_item_val("kbd.type.ns16550", NULL, true); |
return true; |
} |
#endif /* CONFIG_NS16550 */ |
/** Initialize keyboard. |
* |
* Traverse OpenFirmware device tree in order to find necessary |
* info about the keyboard device. |
* |
* @param node Keyboard device node. |
* |
*/ |
void kbd_init(ofw_tree_node_t *node) |
{ |
#ifdef CONFIG_Z8530 |
kbd_z8530_init(node); |
#endif |
#ifdef CONFIG_NS16550 |
kbd_ns16550_init(node); |
#endif |
} |
#endif /* CONFIG_SUN_KBD */ |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/drivers/scr.c |
---|
0,0 → 1,246 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/drivers/scr.h> |
#include <genarch/ofw/ofw_tree.h> |
#include <genarch/fb/fb.h> |
#include <genarch/fb/visuals.h> |
#include <arch/types.h> |
#include <string.h> |
#include <align.h> |
#include <print.h> |
#define FFB_REG_24BPP 7 |
scr_type_t scr_type = SCR_UNKNOWN; |
/** Initialize screen. |
* |
* Traverse OpenFirmware device tree in order to find necessary |
* info about the screen device. |
* |
* @param node Screen device node. |
*/ |
void scr_init(ofw_tree_node_t *node) |
{ |
ofw_tree_property_t *prop; |
ofw_pci_reg_t *pci_reg; |
ofw_pci_reg_t pci_abs_reg; |
ofw_upa_reg_t *upa_reg; |
ofw_sbus_reg_t *sbus_reg; |
const char *name; |
name = ofw_tree_node_name(node); |
if (str_cmp(name, "SUNW,m64B") == 0) |
scr_type = SCR_ATYFB; |
else if (str_cmp(name, "SUNW,XVR-100") == 0) |
scr_type = SCR_XVR; |
else if (str_cmp(name, "SUNW,ffb") == 0) |
scr_type = SCR_FFB; |
else if (str_cmp(name, "cgsix") == 0) |
scr_type = SCR_CGSIX; |
if (scr_type == SCR_UNKNOWN) { |
printf("Unknown screen device.\n"); |
return; |
} |
uintptr_t fb_addr; |
unsigned int fb_offset = 0; |
uint32_t fb_width = 0; |
uint32_t fb_height = 0; |
uint32_t fb_depth = 0; |
uint32_t fb_linebytes = 0; |
uint32_t fb_scanline = 0; |
unsigned int visual; |
prop = ofw_tree_getprop(node, "width"); |
if (prop && prop->value) |
fb_width = *((uint32_t *) prop->value); |
prop = ofw_tree_getprop(node, "height"); |
if (prop && prop->value) |
fb_height = *((uint32_t *) prop->value); |
prop = ofw_tree_getprop(node, "depth"); |
if (prop && prop->value) |
fb_depth = *((uint32_t *) prop->value); |
prop = ofw_tree_getprop(node, "linebytes"); |
if (prop && prop->value) |
fb_linebytes = *((uint32_t *) prop->value); |
prop = ofw_tree_getprop(node, "reg"); |
if (!prop) |
panic("Cannot find 'reg' property."); |
switch (scr_type) { |
case SCR_ATYFB: |
if (prop->size / sizeof(ofw_pci_reg_t) < 2) { |
printf("Too few screen registers.\n"); |
return; |
} |
pci_reg = &((ofw_pci_reg_t *) prop->value)[1]; |
if (!ofw_pci_reg_absolutize(node, pci_reg, &pci_abs_reg)) { |
printf("Failed to absolutize fb register.\n"); |
return; |
} |
if (!ofw_pci_apply_ranges(node->parent, &pci_abs_reg, |
&fb_addr)) { |
printf("Failed to determine screen address.\n"); |
return; |
} |
switch (fb_depth) { |
case 8: |
fb_scanline = fb_linebytes * (fb_depth >> 3); |
visual = VISUAL_INDIRECT_8; |
break; |
case 16: |
fb_scanline = fb_linebytes * (fb_depth >> 3); |
visual = VISUAL_RGB_5_6_5; |
break; |
case 24: |
fb_scanline = fb_linebytes * 4; |
visual = VISUAL_RGB_8_8_8_0; |
break; |
case 32: |
fb_scanline = fb_linebytes * (fb_depth >> 3); |
visual = VISUAL_RGB_0_8_8_8; |
break; |
default: |
printf("Unsupported bits per pixel.\n"); |
return; |
} |
break; |
case SCR_XVR: |
if (prop->size / sizeof(ofw_pci_reg_t) < 2) { |
printf("Too few screen registers.\n"); |
return; |
} |
pci_reg = &((ofw_pci_reg_t *) prop->value)[1]; |
if (!ofw_pci_reg_absolutize(node, pci_reg, &pci_abs_reg)) { |
printf("Failed to absolutize fb register.\n"); |
return; |
} |
if (!ofw_pci_apply_ranges(node->parent, &pci_abs_reg, |
&fb_addr)) { |
printf("Failed to determine screen address.\n"); |
return; |
} |
fb_offset = 4 * 0x2000; |
switch (fb_depth) { |
case 8: |
fb_scanline = fb_linebytes * (fb_depth >> 3); |
visual = VISUAL_INDIRECT_8; |
break; |
case 16: |
fb_scanline = fb_linebytes * (fb_depth >> 3); |
visual = VISUAL_RGB_5_6_5; |
break; |
case 24: |
fb_scanline = fb_linebytes * 4; |
visual = VISUAL_RGB_8_8_8_0; |
break; |
case 32: |
fb_scanline = fb_linebytes * (fb_depth >> 3); |
visual = VISUAL_RGB_0_8_8_8; |
break; |
default: |
printf("Unsupported bits per pixel.\n"); |
return; |
} |
break; |
case SCR_FFB: |
fb_scanline = 8192; |
visual = VISUAL_BGR_0_8_8_8; |
upa_reg = &((ofw_upa_reg_t *) prop->value)[FFB_REG_24BPP]; |
if (!ofw_upa_apply_ranges(node->parent, upa_reg, &fb_addr)) { |
printf("Failed to determine screen address.\n"); |
return; |
} |
break; |
case SCR_CGSIX: |
switch (fb_depth) { |
case 8: |
fb_scanline = fb_linebytes; |
visual = VISUAL_INDIRECT_8; |
break; |
default: |
printf("Not implemented.\n"); |
return; |
} |
sbus_reg = &((ofw_sbus_reg_t *) prop->value)[0]; |
if (!ofw_sbus_apply_ranges(node->parent, sbus_reg, &fb_addr)) { |
printf("Failed to determine screen address.\n"); |
return; |
} |
break; |
default: |
panic("Unexpected type."); |
} |
fb_properties_t props = { |
.addr = fb_addr, |
.offset = fb_offset, |
.x = fb_width, |
.y = fb_height, |
.scan = fb_scanline, |
.visual = visual, |
}; |
fb_init(&props); |
} |
void scr_redraw(void) |
{ |
fb_redraw(); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/drivers/tick.c |
---|
0,0 → 1,125 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/drivers/tick.h> |
#include <arch/interrupt.h> |
#include <arch/sparc64.h> |
#include <arch/asm.h> |
#include <arch/register.h> |
#include <arch/cpu.h> |
#include <arch/boot/boot.h> |
#include <time/clock.h> |
#include <arch.h> |
#include <debug.h> |
#define TICK_RESTART_TIME 50 /* Worst case estimate. */ |
/** Initialize tick and stick interrupt. */ |
void tick_init(void) |
{ |
/* initialize TICK interrupt */ |
tick_compare_reg_t compare; |
interrupt_register(14, "tick_int", tick_interrupt); |
compare.int_dis = false; |
compare.tick_cmpr = CPU->arch.clock_frequency / HZ; |
CPU->arch.next_tick_cmpr = compare.tick_cmpr; |
tick_compare_write(compare.value); |
tick_write(0); |
#if defined (US3) |
/* disable STICK interrupts and clear any pending ones */ |
tick_compare_reg_t stick_compare; |
softint_reg_t clear; |
stick_compare.value = stick_compare_read(); |
stick_compare.int_dis = true; |
stick_compare.tick_cmpr = 0; |
stick_compare_write(stick_compare.value); |
clear.value = 0; |
clear.stick_int = 1; |
clear_softint_write(clear.value); |
#endif |
} |
/** Process tick interrupt. |
* |
* @param n Interrupt Level, 14, (can be ignored) |
* @param istate Interrupted state. |
*/ |
void tick_interrupt(int n, istate_t *istate) |
{ |
softint_reg_t softint, clear; |
uint64_t drift; |
softint.value = softint_read(); |
/* |
* Make sure we are servicing interrupt_level_14 |
*/ |
ASSERT(n == 14); |
/* |
* Make sure we are servicing TICK_INT. |
*/ |
ASSERT(softint.tick_int); |
/* |
* Clear tick interrupt. |
*/ |
clear.value = 0; |
clear.tick_int = 1; |
clear_softint_write(clear.value); |
/* |
* Reprogram the compare register. |
* For now, we can ignore the potential of the registers to overflow. |
* On a 360MHz Ultra 60, the 63-bit compare counter will overflow in |
* about 812 years. If there was a 2GHz UltraSPARC computer, it would |
* overflow only in 146 years. |
*/ |
drift = tick_read() - CPU->arch.next_tick_cmpr; |
while (drift > CPU->arch.clock_frequency / HZ) { |
drift -= CPU->arch.clock_frequency / HZ; |
CPU->missed_clock_ticks++; |
} |
CPU->arch.next_tick_cmpr = tick_read() + |
(CPU->arch.clock_frequency / HZ) - drift; |
tick_compare_write(CPU->arch.next_tick_cmpr); |
clock(); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/dummy.s |
---|
0,0 → 1,46 |
# |
# Copyright (c) 2005 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
.text |
.global cpu_sleep |
.global sys_tls_set |
.global dummy |
cpu_sleep: ! not supported by architecture |
sys_tls_set: ! not needed on architecture |
dummy: |
retl |
nop |
.global cpu_halt |
cpu_halt: |
ba %xcc, cpu_halt |
nop |
/branches/arm/kernel/arch/sparc64/src/trap/trap_table.S |
---|
0,0 → 1,851 |
# |
# Copyright (c) 2005 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
/** |
* @file |
* @brief This file contains kernel trap table. |
*/ |
.register %g2, #scratch |
.register %g3, #scratch |
.text |
#include <arch/trap/trap_table.h> |
#include <arch/trap/regwin.h> |
#include <arch/trap/interrupt.h> |
#include <arch/trap/exception.h> |
#include <arch/trap/syscall.h> |
#include <arch/trap/mmu.h> |
#include <arch/mm/mmu.h> |
#include <arch/mm/page.h> |
#include <arch/stack.h> |
#include <arch/regdef.h> |
#define TABLE_SIZE TRAP_TABLE_SIZE |
#define ENTRY_SIZE TRAP_TABLE_ENTRY_SIZE |
/* |
* Kernel trap table. |
*/ |
.align TABLE_SIZE |
.global trap_table |
trap_table: |
/* TT = 0x08, TL = 0, instruction_access_exception */ |
.org trap_table + TT_INSTRUCTION_ACCESS_EXCEPTION*ENTRY_SIZE |
.global instruction_access_exception_tl0 |
instruction_access_exception_tl0: |
wrpr %g0, PSTATE_AG_BIT | PSTATE_PRIV_BIT, %pstate |
PREEMPTIBLE_HANDLER instruction_access_exception |
/* TT = 0x0a, TL = 0, instruction_access_error */ |
.org trap_table + TT_INSTRUCTION_ACCESS_ERROR*ENTRY_SIZE |
.global instruction_access_error_tl0 |
instruction_access_error_tl0: |
PREEMPTIBLE_HANDLER instruction_access_error |
/* TT = 0x10, TL = 0, illegal_instruction */ |
.org trap_table + TT_ILLEGAL_INSTRUCTION*ENTRY_SIZE |
.global illegal_instruction_tl0 |
illegal_instruction_tl0: |
PREEMPTIBLE_HANDLER illegal_instruction |
/* TT = 0x11, TL = 0, privileged_opcode */ |
.org trap_table + TT_PRIVILEGED_OPCODE*ENTRY_SIZE |
.global privileged_opcode_tl0 |
privileged_opcode_tl0: |
PREEMPTIBLE_HANDLER privileged_opcode |
/* TT = 0x12, TL = 0, unimplemented_LDD */ |
.org trap_table + TT_UNIMPLEMENTED_LDD*ENTRY_SIZE |
.global unimplemented_LDD_tl0 |
unimplemented_LDD_tl0: |
PREEMPTIBLE_HANDLER unimplemented_LDD |
/* TT = 0x13, TL = 0, unimplemented_STD */ |
.org trap_table + TT_UNIMPLEMENTED_STD*ENTRY_SIZE |
.global unimplemented_STD_tl0 |
unimplemented_STD_tl0: |
PREEMPTIBLE_HANDLER unimplemented_STD |
/* TT = 0x20, TL = 0, fb_disabled handler */ |
.org trap_table + TT_FP_DISABLED*ENTRY_SIZE |
.global fb_disabled_tl0 |
fp_disabled_tl0: |
PREEMPTIBLE_HANDLER fp_disabled |
/* TT = 0x21, TL = 0, fb_exception_ieee_754 handler */ |
.org trap_table + TT_FP_EXCEPTION_IEEE_754*ENTRY_SIZE |
.global fb_exception_ieee_754_tl0 |
fp_exception_ieee_754_tl0: |
PREEMPTIBLE_HANDLER fp_exception_ieee_754 |
/* TT = 0x22, TL = 0, fb_exception_other handler */ |
.org trap_table + TT_FP_EXCEPTION_OTHER*ENTRY_SIZE |
.global fb_exception_other_tl0 |
fp_exception_other_tl0: |
PREEMPTIBLE_HANDLER fp_exception_other |
/* TT = 0x23, TL = 0, tag_overflow */ |
.org trap_table + TT_TAG_OVERFLOW*ENTRY_SIZE |
.global tag_overflow_tl0 |
tag_overflow_tl0: |
PREEMPTIBLE_HANDLER tag_overflow |
/* TT = 0x24, TL = 0, clean_window handler */ |
.org trap_table + TT_CLEAN_WINDOW*ENTRY_SIZE |
.global clean_window_tl0 |
clean_window_tl0: |
CLEAN_WINDOW_HANDLER |
/* TT = 0x28, TL = 0, division_by_zero */ |
.org trap_table + TT_DIVISION_BY_ZERO*ENTRY_SIZE |
.global division_by_zero_tl0 |
division_by_zero_tl0: |
PREEMPTIBLE_HANDLER division_by_zero |
/* TT = 0x30, TL = 0, data_access_exception */ |
.org trap_table + TT_DATA_ACCESS_EXCEPTION*ENTRY_SIZE |
.global data_access_exception_tl0 |
data_access_exception_tl0: |
wrpr %g0, PSTATE_AG_BIT | PSTATE_PRIV_BIT, %pstate |
PREEMPTIBLE_HANDLER data_access_exception |
/* TT = 0x32, TL = 0, data_access_error */ |
.org trap_table + TT_DATA_ACCESS_ERROR*ENTRY_SIZE |
.global data_access_error_tl0 |
data_access_error_tl0: |
PREEMPTIBLE_HANDLER data_access_error |
/* TT = 0x34, TL = 0, mem_address_not_aligned */ |
.org trap_table + TT_MEM_ADDRESS_NOT_ALIGNED*ENTRY_SIZE |
.global mem_address_not_aligned_tl0 |
mem_address_not_aligned_tl0: |
PREEMPTIBLE_HANDLER mem_address_not_aligned |
/* TT = 0x35, TL = 0, LDDF_mem_address_not_aligned */ |
.org trap_table + TT_LDDF_MEM_ADDRESS_NOT_ALIGNED*ENTRY_SIZE |
.global LDDF_mem_address_not_aligned_tl0 |
LDDF_mem_address_not_aligned_tl0: |
PREEMPTIBLE_HANDLER LDDF_mem_address_not_aligned |
/* TT = 0x36, TL = 0, STDF_mem_address_not_aligned */ |
.org trap_table + TT_STDF_MEM_ADDRESS_NOT_ALIGNED*ENTRY_SIZE |
.global STDF_mem_address_not_aligned_tl0 |
STDF_mem_address_not_aligned_tl0: |
PREEMPTIBLE_HANDLER STDF_mem_address_not_aligned |
/* TT = 0x37, TL = 0, privileged_action */ |
.org trap_table + TT_PRIVILEGED_ACTION*ENTRY_SIZE |
.global privileged_action_tl0 |
privileged_action_tl0: |
PREEMPTIBLE_HANDLER privileged_action |
/* TT = 0x38, TL = 0, LDQF_mem_address_not_aligned */ |
.org trap_table + TT_LDQF_MEM_ADDRESS_NOT_ALIGNED*ENTRY_SIZE |
.global LDQF_mem_address_not_aligned_tl0 |
LDQF_mem_address_not_aligned_tl0: |
PREEMPTIBLE_HANDLER LDQF_mem_address_not_aligned |
/* TT = 0x39, TL = 0, STQF_mem_address_not_aligned */ |
.org trap_table + TT_STQF_MEM_ADDRESS_NOT_ALIGNED*ENTRY_SIZE |
.global STQF_mem_address_not_aligned_tl0 |
STQF_mem_address_not_aligned_tl0: |
PREEMPTIBLE_HANDLER STQF_mem_address_not_aligned |
/* TT = 0x41, TL = 0, interrupt_level_1 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_1*ENTRY_SIZE |
.global interrupt_level_1_handler_tl0 |
interrupt_level_1_handler_tl0: |
INTERRUPT_LEVEL_N_HANDLER 1 |
/* TT = 0x42, TL = 0, interrupt_level_2 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_2*ENTRY_SIZE |
.global interrupt_level_2_handler_tl0 |
interrupt_level_2_handler_tl0: |
INTERRUPT_LEVEL_N_HANDLER 2 |
/* TT = 0x43, TL = 0, interrupt_level_3 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_3*ENTRY_SIZE |
.global interrupt_level_3_handler_tl0 |
interrupt_level_3_handler_tl0: |
INTERRUPT_LEVEL_N_HANDLER 3 |
/* TT = 0x44, TL = 0, interrupt_level_4 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_4*ENTRY_SIZE |
.global interrupt_level_4_handler_tl0 |
interrupt_level_4_handler_tl0: |
INTERRUPT_LEVEL_N_HANDLER 4 |
/* TT = 0x45, TL = 0, interrupt_level_5 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_5*ENTRY_SIZE |
.global interrupt_level_5_handler_tl0 |
interrupt_level_5_handler_tl0: |
INTERRUPT_LEVEL_N_HANDLER 5 |
/* TT = 0x46, TL = 0, interrupt_level_6 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_6*ENTRY_SIZE |
.global interrupt_level_6_handler_tl0 |
interrupt_level_6_handler_tl0: |
INTERRUPT_LEVEL_N_HANDLER 6 |
/* TT = 0x47, TL = 0, interrupt_level_7 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_7*ENTRY_SIZE |
.global interrupt_level_7_handler_tl0 |
interrupt_level_7_handler_tl0: |
INTERRUPT_LEVEL_N_HANDLER 7 |
/* TT = 0x48, TL = 0, interrupt_level_8 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_8*ENTRY_SIZE |
.global interrupt_level_8_handler_tl0 |
interrupt_level_8_handler_tl0: |
INTERRUPT_LEVEL_N_HANDLER 8 |
/* TT = 0x49, TL = 0, interrupt_level_9 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_9*ENTRY_SIZE |
.global interrupt_level_9_handler_tl0 |
interrupt_level_9_handler_tl0: |
INTERRUPT_LEVEL_N_HANDLER 9 |
/* TT = 0x4a, TL = 0, interrupt_level_10 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_10*ENTRY_SIZE |
.global interrupt_level_10_handler_tl0 |
interrupt_level_10_handler_tl0: |
INTERRUPT_LEVEL_N_HANDLER 10 |
/* TT = 0x4b, TL = 0, interrupt_level_11 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_11*ENTRY_SIZE |
.global interrupt_level_11_handler_tl0 |
interrupt_level_11_handler_tl0: |
INTERRUPT_LEVEL_N_HANDLER 11 |
/* TT = 0x4c, TL = 0, interrupt_level_12 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_12*ENTRY_SIZE |
.global interrupt_level_12_handler_tl0 |
interrupt_level_12_handler_tl0: |
INTERRUPT_LEVEL_N_HANDLER 12 |
/* TT = 0x4d, TL = 0, interrupt_level_13 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_13*ENTRY_SIZE |
.global interrupt_level_13_handler_tl0 |
interrupt_level_13_handler_tl0: |
INTERRUPT_LEVEL_N_HANDLER 13 |
/* TT = 0x4e, TL = 0, interrupt_level_14 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_14*ENTRY_SIZE |
.global interrupt_level_14_handler_tl0 |
interrupt_level_14_handler_tl0: |
INTERRUPT_LEVEL_N_HANDLER 14 |
/* TT = 0x4f, TL = 0, interrupt_level_15 handler */ |
.org trap_table + TT_INTERRUPT_LEVEL_15*ENTRY_SIZE |
.global interrupt_level_15_handler_tl0 |
interrupt_level_15_handler_tl0: |
INTERRUPT_LEVEL_N_HANDLER 15 |
/* TT = 0x60, TL = 0, interrupt_vector_trap handler */ |
.org trap_table + TT_INTERRUPT_VECTOR_TRAP*ENTRY_SIZE |
.global interrupt_vector_trap_handler_tl0 |
interrupt_vector_trap_handler_tl0: |
INTERRUPT_VECTOR_TRAP_HANDLER |
/* TT = 0x64, TL = 0, fast_instruction_access_MMU_miss */ |
.org trap_table + TT_FAST_INSTRUCTION_ACCESS_MMU_MISS*ENTRY_SIZE |
.global fast_instruction_access_mmu_miss_handler_tl0 |
fast_instruction_access_mmu_miss_handler_tl0: |
FAST_INSTRUCTION_ACCESS_MMU_MISS_HANDLER |
/* TT = 0x68, TL = 0, fast_data_access_MMU_miss */ |
.org trap_table + TT_FAST_DATA_ACCESS_MMU_MISS*ENTRY_SIZE |
.global fast_data_access_mmu_miss_handler_tl0 |
fast_data_access_mmu_miss_handler_tl0: |
FAST_DATA_ACCESS_MMU_MISS_HANDLER 0 |
/* TT = 0x6c, TL = 0, fast_data_access_protection */ |
.org trap_table + TT_FAST_DATA_ACCESS_PROTECTION*ENTRY_SIZE |
.global fast_data_access_protection_handler_tl0 |
fast_data_access_protection_handler_tl0: |
FAST_DATA_ACCESS_PROTECTION_HANDLER 0 |
/* TT = 0x80, TL = 0, spill_0_normal handler */ |
.org trap_table + TT_SPILL_0_NORMAL*ENTRY_SIZE |
.global spill_0_normal_tl0 |
spill_0_normal_tl0: |
SPILL_NORMAL_HANDLER_KERNEL |
/* TT = 0x84, TL = 0, spill_1_normal handler */ |
.org trap_table + TT_SPILL_1_NORMAL*ENTRY_SIZE |
.global spill_1_normal_tl0 |
spill_1_normal_tl0: |
SPILL_NORMAL_HANDLER_USERSPACE |
/* TT = 0x88, TL = 0, spill_2_normal handler */ |
.org trap_table + TT_SPILL_2_NORMAL*ENTRY_SIZE |
.global spill_2_normal_tl0 |
spill_2_normal_tl0: |
SPILL_TO_USPACE_WINDOW_BUFFER |
/* TT = 0xa0, TL = 0, spill_0_other handler */ |
.org trap_table + TT_SPILL_0_OTHER*ENTRY_SIZE |
.global spill_0_other_tl0 |
spill_0_other_tl0: |
SPILL_TO_USPACE_WINDOW_BUFFER |
/* TT = 0xc0, TL = 0, fill_0_normal handler */ |
.org trap_table + TT_FILL_0_NORMAL*ENTRY_SIZE |
.global fill_0_normal_tl0 |
fill_0_normal_tl0: |
FILL_NORMAL_HANDLER_KERNEL |
/* TT = 0xc4, TL = 0, fill_1_normal handler */ |
.org trap_table + TT_FILL_1_NORMAL*ENTRY_SIZE |
.global fill_1_normal_tl0 |
fill_1_normal_tl0: |
FILL_NORMAL_HANDLER_USERSPACE |
/* TT = 0x100 - 0x17f, TL = 0, trap_instruction_0 - trap_instruction_7f */ |
.irp cur, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,\ |
20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38,\ |
39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57,\ |
58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76,\ |
77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,\ |
96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111,\ |
112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126,\ |
127 |
.org trap_table + (TT_TRAP_INSTRUCTION_0+\cur)*ENTRY_SIZE |
.global trap_instruction_\cur\()_tl0 |
trap_instruction_\cur\()_tl0: |
ba %xcc, trap_instruction_handler |
mov \cur, %g2 |
.endr |
/* |
* Handlers for TL>0. |
*/ |
/* TT = 0x08, TL > 0, instruction_access_exception */ |
.org trap_table + (TT_INSTRUCTION_ACCESS_EXCEPTION+512)*ENTRY_SIZE |
.global instruction_access_exception_tl1 |
instruction_access_exception_tl1: |
wrpr %g0, 1, %tl |
wrpr %g0, PSTATE_AG_BIT | PSTATE_PRIV_BIT, %pstate |
PREEMPTIBLE_HANDLER instruction_access_exception |
/* TT = 0x0a, TL > 0, instruction_access_error */ |
.org trap_table + (TT_INSTRUCTION_ACCESS_ERROR+512)*ENTRY_SIZE |
.global instruction_access_error_tl1 |
instruction_access_error_tl1: |
wrpr %g0, 1, %tl |
PREEMPTIBLE_HANDLER instruction_access_error |
/* TT = 0x10, TL > 0, illegal_instruction */ |
.org trap_table + (TT_ILLEGAL_INSTRUCTION+512)*ENTRY_SIZE |
.global illegal_instruction_tl1 |
illegal_instruction_tl1: |
wrpr %g0, 1, %tl |
PREEMPTIBLE_HANDLER illegal_instruction |
/* TT = 0x24, TL > 0, clean_window handler */ |
.org trap_table + (TT_CLEAN_WINDOW+512)*ENTRY_SIZE |
.global clean_window_tl1 |
clean_window_tl1: |
CLEAN_WINDOW_HANDLER |
/* TT = 0x28, TL > 0, division_by_zero */ |
.org trap_table + (TT_DIVISION_BY_ZERO+512)*ENTRY_SIZE |
.global division_by_zero_tl1 |
division_by_zero_tl1: |
wrpr %g0, 1, %tl |
PREEMPTIBLE_HANDLER division_by_zero |
/* TT = 0x30, TL > 0, data_access_exception */ |
.org trap_table + (TT_DATA_ACCESS_EXCEPTION+512)*ENTRY_SIZE |
.global data_access_exception_tl1 |
data_access_exception_tl1: |
wrpr %g0, 1, %tl |
wrpr %g0, PSTATE_AG_BIT | PSTATE_PRIV_BIT, %pstate |
PREEMPTIBLE_HANDLER data_access_exception |
/* TT = 0x32, TL > 0, data_access_error */ |
.org trap_table + (TT_DATA_ACCESS_ERROR+512)*ENTRY_SIZE |
.global data_access_error_tl1 |
data_access_error_tl1: |
wrpr %g0, 1, %tl |
PREEMPTIBLE_HANDLER data_access_error |
/* TT = 0x34, TL > 0, mem_address_not_aligned */ |
.org trap_table + (TT_MEM_ADDRESS_NOT_ALIGNED+512)*ENTRY_SIZE |
.global mem_address_not_aligned_tl1 |
mem_address_not_aligned_tl1: |
wrpr %g0, 1, %tl |
PREEMPTIBLE_HANDLER mem_address_not_aligned |
/* TT = 0x68, TL > 0, fast_data_access_MMU_miss */ |
.org trap_table + (TT_FAST_DATA_ACCESS_MMU_MISS+512)*ENTRY_SIZE |
.global fast_data_access_mmu_miss_handler_tl1 |
fast_data_access_mmu_miss_handler_tl1: |
FAST_DATA_ACCESS_MMU_MISS_HANDLER 1 |
/* TT = 0x6c, TL > 0, fast_data_access_protection */ |
.org trap_table + (TT_FAST_DATA_ACCESS_PROTECTION+512)*ENTRY_SIZE |
.global fast_data_access_protection_handler_tl1 |
fast_data_access_protection_handler_tl1: |
FAST_DATA_ACCESS_PROTECTION_HANDLER 1 |
/* TT = 0x80, TL > 0, spill_0_normal handler */ |
.org trap_table + (TT_SPILL_0_NORMAL+512)*ENTRY_SIZE |
.global spill_0_normal_tl1 |
spill_0_normal_tl1: |
SPILL_NORMAL_HANDLER_KERNEL |
/* TT = 0x88, TL > 0, spill_2_normal handler */ |
.org trap_table + (TT_SPILL_2_NORMAL+512)*ENTRY_SIZE |
.global spill_2_normal_tl1 |
spill_2_normal_tl1: |
SPILL_TO_USPACE_WINDOW_BUFFER |
/* TT = 0xa0, TL > 0, spill_0_other handler */ |
.org trap_table + (TT_SPILL_0_OTHER+512)*ENTRY_SIZE |
.global spill_0_other_tl1 |
spill_0_other_tl1: |
SPILL_TO_USPACE_WINDOW_BUFFER |
/* TT = 0xc0, TL > 0, fill_0_normal handler */ |
.org trap_table + (TT_FILL_0_NORMAL+512)*ENTRY_SIZE |
.global fill_0_normal_tl1 |
fill_0_normal_tl1: |
FILL_NORMAL_HANDLER_KERNEL |
.align TABLE_SIZE |
#define NOT(x) ((x) == 0) |
/* Preemptible trap handler for TL=1. |
* |
* This trap handler makes arrangements to make calling of scheduler() from |
* within a trap context possible. It is called from several other trap |
* handlers. |
* |
* This function can be entered either with interrupt globals or alternate |
* globals. Memory management trap handlers are obliged to switch to one of |
* those global sets prior to calling this function. Register window management |
* functions are not allowed to modify the alternate global registers. |
* |
* The kernel is designed to work on trap levels 0 - 4. For instance, the |
* following can happen: |
* TL0: kernel thread runs (CANSAVE=0, kernel stack not in DTLB) |
* TL1: preemptible trap handler started after a tick interrupt |
* TL2: preemptible trap handler did SAVE |
* TL3: spill handler touched the kernel stack |
* TL4: hardware or software failure |
* |
* Input registers: |
* %g1 Address of function to call if this is not a syscall. |
* %g2 First argument for the function. |
* %g6 Pre-set as kernel stack base if trap from userspace. |
* %g7 Pre-set as address of the userspace window buffer. |
*/ |
.macro PREEMPTIBLE_HANDLER_TEMPLATE is_syscall |
/* |
* ASSERT(%tl == 1) |
*/ |
rdpr %tl, %g3 |
cmp %g3, 1 |
be %xcc, 1f |
nop |
0: ba %xcc, 0b ! this is for debugging, if we ever get here |
nop ! it will be easy to find |
1: |
.if NOT(\is_syscall) |
rdpr %tstate, %g3 |
/* |
* One of the ways this handler can be invoked is after a nested MMU trap from |
* either spill_1_normal or fill_1_normal traps. Both of these traps manipulate |
* the CWP register. We deal with the situation by simulating the MMU trap |
* on TL=1 and restart the respective SAVE or RESTORE instruction once the MMU |
* trap is resolved. However, because we are in the wrong window from the |
* perspective of the MMU trap, we need to synchronize CWP with CWP from TL=0. |
*/ |
and %g3, TSTATE_CWP_MASK, %g4 |
wrpr %g4, 0, %cwp ! resynchronize CWP |
andcc %g3, TSTATE_PRIV_BIT, %g0 ! if this trap came from the privileged mode... |
bnz %xcc, 0f ! ...skip setting of kernel stack and primary context |
nop |
.endif |
/* |
* Normal window spills will go to the userspace window buffer. |
*/ |
wrpr %g0, WSTATE_OTHER(0) | WSTATE_NORMAL(2), %wstate |
wrpr %g0, NWINDOWS - 1, %cleanwin ! prevent unnecessary clean_window exceptions |
/* |
* Switch to kernel stack. The old stack is |
* automatically saved in the old window's %sp |
* and the new window's %fp. |
*/ |
save %g6, -PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE, %sp |
.if \is_syscall |
/* |
* Copy arguments for the syscall to the new window. |
*/ |
mov %i0, %o0 |
mov %i1, %o1 |
mov %i2, %o2 |
mov %i3, %o3 |
mov %i4, %o4 |
mov %i5, %o5 |
.endif |
/* |
* Mark the CANRESTORE windows as OTHER windows. |
*/ |
rdpr %canrestore, %l0 |
wrpr %l0, %otherwin |
wrpr %g0, %canrestore |
/* |
* Switch to primary context 0. |
*/ |
mov VA_PRIMARY_CONTEXT_REG, %l0 |
stxa %g0, [%l0] ASI_DMMU |
rd %pc, %l0 |
flush %l0 |
.if NOT(\is_syscall) |
ba %xcc, 1f |
nop |
0: |
save %sp, -PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE, %sp |
/* |
* At this moment, we are using the kernel stack |
* and have successfully allocated a register window. |
*/ |
1: |
.endif |
/* |
* Other window spills will go to the userspace window buffer |
* and normal spills will go to the kernel stack. |
*/ |
wrpr %g0, WSTATE_OTHER(0) | WSTATE_NORMAL(0), %wstate |
/* |
* Copy arguments. |
*/ |
mov %g1, %l0 |
.if NOT(\is_syscall) |
mov %g2, %o0 |
.else |
! store the syscall number on the stack as 7th argument |
stx %g2, [%sp + STACK_WINDOW_SAVE_AREA_SIZE + STACK_BIAS + STACK_ARG6] |
.endif |
/* |
* Save TSTATE, TPC and TNPC aside. |
*/ |
rdpr %tstate, %g1 |
rdpr %tpc, %g2 |
rdpr %tnpc, %g3 |
rd %y, %g4 |
stx %g1, [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_TSTATE] |
stx %g2, [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_TPC] |
stx %g3, [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_TNPC] |
/* |
* Save the Y register. |
* This register is deprecated according to SPARC V9 specification |
* and is only present for backward compatibility with previous |
* versions of the SPARC architecture. |
* Surprisingly, gcc makes use of this register without a notice. |
*/ |
stx %g4, [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_Y] |
wrpr %g0, 0, %tl |
wrpr %g0, PSTATE_PRIV_BIT | PSTATE_PEF_BIT, %pstate |
SAVE_GLOBALS |
.if NOT(\is_syscall) |
/* |
* Call the higher-level handler and pass istate as second parameter. |
*/ |
call %l0 |
add %sp, PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_TNPC, %o1 |
.else |
/* |
* Call the higher-level syscall handler and enable interrupts. |
*/ |
call syscall_handler |
wrpr %g0, PSTATE_PRIV_BIT | PSTATE_PEF_BIT | PSTATE_IE_BIT, %pstate |
mov %o0, %i0 ! copy the value returned by the syscall |
.endif |
RESTORE_GLOBALS |
rdpr %pstate, %l1 ! we must preserve the PEF bit |
wrpr %g0, PSTATE_AG_BIT | PSTATE_PRIV_BIT, %pstate |
wrpr %g0, 1, %tl |
/* |
* Read TSTATE, TPC and TNPC from saved copy. |
*/ |
ldx [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_TSTATE], %g1 |
ldx [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_TPC], %g2 |
ldx [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_TNPC], %g3 |
/* |
* Copy PSTATE.PEF to the in-register copy of TSTATE. |
*/ |
and %l1, PSTATE_PEF_BIT, %l1 |
sllx %l1, TSTATE_PSTATE_SHIFT, %l1 |
sethi %hi(TSTATE_PEF_BIT), %g4 |
andn %g1, %g4, %g1 |
or %g1, %l1, %g1 |
/* |
* Restore TSTATE, TPC and TNPC from saved copies. |
*/ |
wrpr %g1, 0, %tstate |
wrpr %g2, 0, %tpc |
wrpr %g3, 0, %tnpc |
/* |
* Restore Y. |
*/ |
ldx [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_Y], %g4 |
wr %g4, %y |
/* |
* If OTHERWIN is zero, then all the userspace windows have been |
* spilled to kernel memory (i.e. register window buffer). Moreover, |
* if the scheduler was called in the meantime, all valid windows |
* belonging to other threads were spilled by context_restore(). |
* If OTHERWIN is non-zero, then some userspace windows are still |
* valid. Others might have been spilled. However, the CWP pointer |
* needs no fixing because the scheduler had not been called. |
*/ |
rdpr %otherwin, %l0 |
brnz %l0, 0f |
nop |
/* |
* OTHERWIN == 0 |
*/ |
/* |
* If TSTATE.CWP + 1 == CWP, then we still do not have to fix CWP. |
*/ |
and %g1, TSTATE_CWP_MASK, %l0 |
inc %l0 |
and %l0, NWINDOWS - 1, %l0 ! %l0 mod NWINDOWS |
rdpr %cwp, %l1 |
cmp %l0, %l1 |
bz %xcc, 0f ! CWP is ok |
nop |
/* |
* Fix CWP. |
* In order to recapitulate, the input registers in the current |
* window are the output registers of the window to which we want |
* to restore. Because the fill trap fills only input and local |
* registers of a window, we need to preserve those output |
* registers manually. |
*/ |
mov %sp, %g2 |
stx %i0, [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_I0] |
stx %i1, [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_I1] |
stx %i2, [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_I2] |
stx %i3, [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_I3] |
stx %i4, [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_I4] |
stx %i5, [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_I5] |
stx %i6, [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_I6] |
stx %i7, [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_I7] |
wrpr %l0, 0, %cwp |
mov %g2, %sp |
ldx [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_I0], %i0 |
ldx [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_I1], %i1 |
ldx [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_I2], %i2 |
ldx [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_I3], %i3 |
ldx [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_I4], %i4 |
ldx [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_I5], %i5 |
ldx [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_I6], %i6 |
ldx [%sp + PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE + STACK_BIAS + SAVED_I7], %i7 |
/* |
* OTHERWIN != 0 or fall-through from the OTHERWIN == 0 case. |
* The CWP has already been restored to the value it had after the SAVE |
* at the beginning of this function. |
*/ |
0: |
.if NOT(\is_syscall) |
rdpr %tstate, %g1 |
andcc %g1, TSTATE_PRIV_BIT, %g0 ! if we are not returning to userspace..., |
bnz %xcc, 1f ! ...skip restoring userspace windows |
nop |
.endif |
/* |
* Spills and fills will be processed by the {spill,fill}_1_normal |
* handlers. |
*/ |
wrpr %g0, WSTATE_OTHER(0) | WSTATE_NORMAL(1), %wstate |
/* |
* Set primary context according to secondary context. |
*/ |
wr %g0, ASI_DMMU, %asi |
ldxa [VA_SECONDARY_CONTEXT_REG] %asi, %g1 |
stxa %g1, [VA_PRIMARY_CONTEXT_REG] %asi |
rd %pc, %g1 |
flush %g1 |
rdpr %cwp, %g1 |
rdpr %otherwin, %g2 |
/* |
* Skip all OTHERWIN windows and descend to the first window |
* in the userspace window buffer. |
*/ |
sub %g1, %g2, %g3 |
dec %g3 |
and %g3, NWINDOWS - 1, %g3 |
wrpr %g3, 0, %cwp |
/* |
* CWP is now in the window last saved in the userspace window buffer. |
* Fill all windows stored in the buffer. |
*/ |
clr %g4 |
0: andcc %g7, UWB_ALIGNMENT - 1, %g0 ! alignment check |
bz %xcc, 0f ! %g7 is UWB_ALIGNMENT-aligned, no more windows to refill |
nop |
add %g7, -STACK_WINDOW_SAVE_AREA_SIZE, %g7 |
ldx [%g7 + L0_OFFSET], %l0 |
ldx [%g7 + L1_OFFSET], %l1 |
ldx [%g7 + L2_OFFSET], %l2 |
ldx [%g7 + L3_OFFSET], %l3 |
ldx [%g7 + L4_OFFSET], %l4 |
ldx [%g7 + L5_OFFSET], %l5 |
ldx [%g7 + L6_OFFSET], %l6 |
ldx [%g7 + L7_OFFSET], %l7 |
ldx [%g7 + I0_OFFSET], %i0 |
ldx [%g7 + I1_OFFSET], %i1 |
ldx [%g7 + I2_OFFSET], %i2 |
ldx [%g7 + I3_OFFSET], %i3 |
ldx [%g7 + I4_OFFSET], %i4 |
ldx [%g7 + I5_OFFSET], %i5 |
ldx [%g7 + I6_OFFSET], %i6 |
ldx [%g7 + I7_OFFSET], %i7 |
dec %g3 |
and %g3, NWINDOWS - 1, %g3 |
wrpr %g3, 0, %cwp ! switch to the preceeding window |
ba %xcc, 0b |
inc %g4 |
0: |
/* |
* Switch back to the proper current window and adjust |
* OTHERWIN, CANRESTORE, CANSAVE and CLEANWIN. |
*/ |
wrpr %g1, 0, %cwp |
add %g4, %g2, %g2 |
cmp %g2, NWINDOWS - 2 |
bg %xcc, 2f ! fix the CANRESTORE=NWINDOWS-1 anomaly |
mov NWINDOWS - 2, %g1 ! use dealy slot for both cases |
sub %g1, %g2, %g1 |
wrpr %g0, 0, %otherwin |
wrpr %g1, 0, %cansave ! NWINDOWS - 2 - CANRESTORE |
wrpr %g2, 0, %canrestore ! OTHERWIN + windows in the buffer |
wrpr %g2, 0, %cleanwin ! avoid information leak |
1: |
restore |
.if \is_syscall |
done |
.else |
retry |
.endif |
/* |
* We got here in order to avoid inconsistency of the window state registers. |
* If the: |
* |
* save %g6, -PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE, %sp |
* |
* instruction trapped and spilled a register window into the userspace |
* window buffer, we have just restored NWINDOWS - 1 register windows. |
* However, CANRESTORE can be only NWINDOW - 2 at most. |
* |
* The solution is to manually switch to (CWP - 1) mod NWINDOWS |
* and set the window state registers so that: |
* |
* CANRESTORE = NWINDOWS - 2 |
* CLEANWIN = NWINDOWS - 2 |
* CANSAVE = 0 |
* OTHERWIN = 0 |
* |
* The RESTORE instruction is therfore to be skipped. |
*/ |
2: |
wrpr %g0, 0, %otherwin |
wrpr %g0, 0, %cansave |
wrpr %g1, 0, %canrestore |
wrpr %g1, 0, %cleanwin |
rdpr %cwp, %g1 |
dec %g1 |
and %g1, NWINDOWS - 1, %g1 |
wrpr %g1, 0, %cwp ! CWP-- |
.if \is_syscall |
done |
.else |
retry |
.endif |
.endm |
.global preemptible_handler |
preemptible_handler: |
PREEMPTIBLE_HANDLER_TEMPLATE 0 |
.global trap_instruction_handler |
trap_instruction_handler: |
PREEMPTIBLE_HANDLER_TEMPLATE 1 |
/branches/arm/kernel/arch/sparc64/src/trap/exception.c |
---|
0,0 → 1,225 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64interrupt |
* @{ |
*/ |
/** @file |
* |
*/ |
#include <arch/trap/exception.h> |
#include <arch/mm/tlb.h> |
#include <arch/interrupt.h> |
#include <interrupt.h> |
#include <arch/asm.h> |
#include <arch/register.h> |
#include <debug.h> |
#include <print.h> |
#include <symtab.h> |
void dump_istate(istate_t *istate) |
{ |
char *tpcs, *tnpcs; |
tpcs = symtab_fmt_name_lookup(istate->tpc); |
tnpcs = symtab_fmt_name_lookup(istate->tnpc); |
printf("TSTATE=%#" PRIx64 "\n", istate->tstate); |
printf("TPC=%#" PRIx64 " (%s)\n", istate->tpc, tpcs); |
printf("TNPC=%#" PRIx64 " (%s)\n", istate->tnpc, tnpcs); |
} |
/** Handle instruction_access_exception. (0x8) */ |
void instruction_access_exception(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "%s.", __func__); |
dump_istate(istate); |
panic("%s.", __func__); |
} |
/** Handle instruction_access_error. (0xa) */ |
void instruction_access_error(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "%s.", __func__); |
dump_istate(istate); |
panic("%s.", __func__); |
} |
/** Handle illegal_instruction. (0x10) */ |
void illegal_instruction(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "%s.", __func__); |
dump_istate(istate); |
panic("%s.", __func__); |
} |
/** Handle privileged_opcode. (0x11) */ |
void privileged_opcode(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "%s.", __func__); |
dump_istate(istate); |
panic("%s.", __func__); |
} |
/** Handle unimplemented_LDD. (0x12) */ |
void unimplemented_LDD(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "%s.", __func__); |
dump_istate(istate); |
panic("%s.", __func__); |
} |
/** Handle unimplemented_STD. (0x13) */ |
void unimplemented_STD(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "%s.", __func__); |
dump_istate(istate); |
panic("%s.", __func__); |
} |
/** Handle fp_disabled. (0x20) */ |
void fp_disabled(int n, istate_t *istate) |
{ |
fprs_reg_t fprs; |
fprs.value = fprs_read(); |
if (!fprs.fef) { |
fprs.fef = true; |
fprs_write(fprs.value); |
return; |
} |
#ifdef CONFIG_FPU_LAZY |
scheduler_fpu_lazy_request(); |
#else |
fault_if_from_uspace(istate, "%s.", __func__); |
dump_istate(istate); |
panic("%s.", __func__); |
#endif |
} |
/** Handle fp_exception_ieee_754. (0x21) */ |
void fp_exception_ieee_754(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "%s.", __func__); |
dump_istate(istate); |
panic("%s.", __func__); |
} |
/** Handle fp_exception_other. (0x22) */ |
void fp_exception_other(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "%s.", __func__); |
dump_istate(istate); |
panic("%s.", __func__); |
} |
/** Handle tag_overflow. (0x23) */ |
void tag_overflow(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "%s.", __func__); |
dump_istate(istate); |
panic("%s.", __func__); |
} |
/** Handle division_by_zero. (0x28) */ |
void division_by_zero(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "%s.", __func__); |
dump_istate(istate); |
panic("%s.", __func__); |
} |
/** Handle data_access_exception. (0x30) */ |
void data_access_exception(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "%s.", __func__); |
dump_istate(istate); |
dump_sfsr_and_sfar(); |
panic("%s.", __func__); |
} |
/** Handle data_access_error. (0x32) */ |
void data_access_error(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "%s.", __func__); |
dump_istate(istate); |
panic("%s.", __func__); |
} |
/** Handle mem_address_not_aligned. (0x34) */ |
void mem_address_not_aligned(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "%s.", __func__); |
dump_istate(istate); |
panic("%s.", __func__); |
} |
/** Handle LDDF_mem_address_not_aligned. (0x35) */ |
void LDDF_mem_address_not_aligned(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "%s.", __func__); |
dump_istate(istate); |
panic("%s.", __func__); |
} |
/** Handle STDF_mem_address_not_aligned. (0x36) */ |
void STDF_mem_address_not_aligned(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "%s.", __func__); |
dump_istate(istate); |
panic("%s.", __func__); |
} |
/** Handle privileged_action. (0x37) */ |
void privileged_action(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "%s.", __func__); |
dump_istate(istate); |
panic("%s.", __func__); |
} |
/** Handle LDQF_mem_address_not_aligned. (0x38) */ |
void LDQF_mem_address_not_aligned(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "%s.", __func__); |
dump_istate(istate); |
panic("%s.", __func__); |
} |
/** Handle STQF_mem_address_not_aligned. (0x39) */ |
void STQF_mem_address_not_aligned(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "%s.", __func__); |
dump_istate(istate); |
panic("%s.", __func__); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/trap/interrupt.c |
---|
0,0 → 1,124 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64interrupt |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/interrupt.h> |
#include <arch/sparc64.h> |
#include <arch/trap/interrupt.h> |
#include <interrupt.h> |
#include <ddi/irq.h> |
#include <arch/types.h> |
#include <debug.h> |
#include <arch/asm.h> |
#include <arch/barrier.h> |
#include <print.h> |
#include <arch.h> |
#include <mm/tlb.h> |
#include <config.h> |
#include <synch/spinlock.h> |
/** Register Interrupt Level Handler. |
* |
* @param n Interrupt Level (1 - 15). |
* @param name Short descriptive string. |
* @param f Handler. |
*/ |
void interrupt_register(int n, const char *name, iroutine f) |
{ |
ASSERT(n >= IVT_FIRST && n <= IVT_ITEMS); |
exc_register(n - 1, name, f); |
} |
/** Process hardware interrupt. |
* |
* @param n Ignored. |
* @param istate Ignored. |
*/ |
void interrupt(int n, istate_t *istate) |
{ |
uint64_t status; |
uint64_t intrcv; |
uint64_t data0; |
status = asi_u64_read(ASI_INTR_DISPATCH_STATUS, 0); |
if (status & (!INTR_DISPATCH_STATUS_BUSY)) |
panic("Interrupt Dispatch Status busy bit not set."); |
intrcv = asi_u64_read(ASI_INTR_RECEIVE, 0); |
#if defined (US) |
data0 = asi_u64_read(ASI_INTR_R, ASI_UDB_INTR_R_DATA_0); |
#elif defined (US3) |
data0 = asi_u64_read(ASI_INTR_R, VA_INTR_R_DATA_0); |
#endif |
irq_t *irq = irq_dispatch_and_lock(data0); |
if (irq) { |
/* |
* The IRQ handler was found. |
*/ |
irq->handler(irq); |
/* |
* See if there is a clear-interrupt-routine and call it. |
*/ |
if (irq->cir) { |
irq->cir(irq->cir_arg, irq->inr); |
} |
spinlock_unlock(&irq->lock); |
} else if (data0 > config.base) { |
/* |
* This is a cross-call. |
* data0 contains address of the kernel function. |
* We call the function only after we verify |
* it is one of the supported ones. |
*/ |
#ifdef CONFIG_SMP |
if (data0 == (uintptr_t) tlb_shootdown_ipi_recv) { |
tlb_shootdown_ipi_recv(); |
} |
#endif |
} else { |
/* |
* Spurious interrupt. |
*/ |
#ifdef CONFIG_DEBUG |
printf("cpu%u: spurious interrupt (intrcv=%#" PRIx64 |
", data0=%#" PRIx64 ")\n", CPU->id, intrcv, data0); |
#endif |
} |
membar(); |
asi_u64_write(ASI_INTR_RECEIVE, 0, 0); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/trap/trap.c |
---|
0,0 → 1,54 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64interrupt |
* @{ |
*/ |
/** @file |
* |
*/ |
#include <arch/trap/trap.h> |
#include <arch/trap/trap_table.h> |
#include <arch/trap/regwin.h> |
#include <arch/trap/exception.h> |
#include <arch/trap/interrupt.h> |
#include <arch/trap/mmu.h> |
#include <arch/asm.h> |
#include <memstr.h> |
#include <debug.h> |
#include <arch/types.h> |
#include <arch/drivers/tick.h> |
/** Initialize trap table. */ |
void trap_init(void) |
{ |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/trap/mmu.S |
---|
0,0 → 1,42 |
# |
# Copyright (c) 2006 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
/** |
* @file |
* @brief MMU trap handlers that do not fit into the trap table. |
*/ |
.register %g2, #scratch |
.register %g3, #scratch |
.text |
#include <arch/trap/mmu.h> |
#include <arch/trap/trap_table.h> |
#include <arch/regdef.h> |
/branches/arm/kernel/arch/sparc64/src/start.S |
---|
0,0 → 1,417 |
# |
# Copyright (c) 2005 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include <arch/arch.h> |
#include <arch/cpu.h> |
#include <arch/regdef.h> |
#include <arch/boot/boot.h> |
#include <arch/stack.h> |
#include <arch/mm/mmu.h> |
#include <arch/mm/tlb.h> |
#include <arch/mm/tte.h> |
#ifdef CONFIG_SMP |
#include <arch/context_offset.h> |
#endif |
.register %g2, #scratch |
.register %g3, #scratch |
.section K_TEXT_START, "ax" |
#define BSP_FLAG 1 |
/* |
* 2^PHYSMEM_ADDR_SIZE is the size of the physical address space on |
* a given processor. |
*/ |
#if defined (US) |
#define PHYSMEM_ADDR_SIZE 41 |
#elif defined (US3) |
#define PHYSMEM_ADDR_SIZE 43 |
#endif |
/* |
* Here is where the kernel is passed control from the boot loader. |
* |
* The registers are expected to be in this state: |
* - %o0 starting address of physical memory + bootstrap processor flag |
* bits 63...1: physical memory starting address / 2 |
* bit 0: non-zero on BSP processor, zero on AP processors |
* - %o1 bootinfo structure address (BSP only) |
* - %o2 bootinfo structure size (BSP only) |
* |
* Moreover, we depend on boot having established the following environment: |
* - TLBs are on |
* - identity mapping for the kernel image |
*/ |
.global kernel_image_start |
kernel_image_start: |
mov BSP_FLAG, %l0 |
and %o0, %l0, %l7 ! l7 <= bootstrap processor? |
andn %o0, %l0, %l6 ! l6 <= start of physical memory |
! Get bits (PHYSMEM_ADDR_SIZE - 1):13 of physmem_base. |
srlx %l6, 13, %l5 |
! l5 <= physmem_base[(PHYSMEM_ADDR_SIZE - 1):13] |
sllx %l5, 13 + (63 - (PHYSMEM_ADDR_SIZE - 1)), %l5 |
srlx %l5, 63 - (PHYSMEM_ADDR_SIZE - 1), %l5 |
/* |
* Setup basic runtime environment. |
*/ |
wrpr %g0, NWINDOWS - 2, %cansave ! set maximum saveable windows |
wrpr %g0, 0, %canrestore ! get rid of windows we will |
! never need again |
wrpr %g0, 0, %otherwin ! make sure the window state is |
! consistent |
wrpr %g0, NWINDOWS - 1, %cleanwin ! prevent needless clean_window |
! traps for kernel |
wrpr %g0, 0, %wstate ! use default spill/fill trap |
wrpr %g0, 0, %tl ! TL = 0, primary context |
! register is used |
wrpr %g0, PSTATE_PRIV_BIT, %pstate ! disable interrupts and disable |
! 32-bit address masking |
wrpr %g0, 0, %pil ! intialize %pil |
/* |
* Switch to kernel trap table. |
*/ |
sethi %hi(trap_table), %g1 |
wrpr %g1, %lo(trap_table), %tba |
/* |
* Take over the DMMU by installing locked TTE entry identically |
* mapping the first 4M of memory. |
* |
* In case of DMMU, no FLUSH instructions need to be issued. Because of |
* that, the old DTLB contents can be demapped pretty straightforwardly |
* and without causing any traps. |
*/ |
wr %g0, ASI_DMMU, %asi |
#define SET_TLB_DEMAP_CMD(r1, context_id) \ |
set (TLB_DEMAP_CONTEXT << TLB_DEMAP_TYPE_SHIFT) | (context_id << \ |
TLB_DEMAP_CONTEXT_SHIFT), %r1 |
! demap context 0 |
SET_TLB_DEMAP_CMD(g1, TLB_DEMAP_NUCLEUS) |
stxa %g0, [%g1] ASI_DMMU_DEMAP |
membar #Sync |
#define SET_TLB_TAG(r1, context) \ |
set VMA | (context << TLB_TAG_ACCESS_CONTEXT_SHIFT), %r1 |
! write DTLB tag |
SET_TLB_TAG(g1, MEM_CONTEXT_KERNEL) |
stxa %g1, [VA_DMMU_TAG_ACCESS] %asi |
membar #Sync |
#ifdef CONFIG_VIRT_IDX_DCACHE |
#define TTE_LOW_DATA(imm) (TTE_CP | TTE_CV | TTE_P | LMA | (imm)) |
#else /* CONFIG_VIRT_IDX_DCACHE */ |
#define TTE_LOW_DATA(imm) (TTE_CP | TTE_P | LMA | (imm)) |
#endif /* CONFIG_VIRT_IDX_DCACHE */ |
#define SET_TLB_DATA(r1, r2, imm) \ |
set TTE_LOW_DATA(imm), %r1; \ |
or %r1, %l5, %r1; \ |
mov PAGESIZE_4M, %r2; \ |
sllx %r2, TTE_SIZE_SHIFT, %r2; \ |
or %r1, %r2, %r1; \ |
mov 1, %r2; \ |
sllx %r2, TTE_V_SHIFT, %r2; \ |
or %r1, %r2, %r1; |
! write DTLB data and install the kernel mapping |
SET_TLB_DATA(g1, g2, TTE_L | TTE_W) ! use non-global mapping |
stxa %g1, [%g0] ASI_DTLB_DATA_IN_REG |
membar #Sync |
/* |
* Because we cannot use global mappings (because we want to have |
* separate 64-bit address spaces for both the kernel and the |
* userspace), we prepare the identity mapping also in context 1. This |
* step is required by the code installing the ITLB mapping. |
*/ |
! write DTLB tag of context 1 (i.e. MEM_CONTEXT_TEMP) |
SET_TLB_TAG(g1, MEM_CONTEXT_TEMP) |
stxa %g1, [VA_DMMU_TAG_ACCESS] %asi |
membar #Sync |
! write DTLB data and install the kernel mapping in context 1 |
SET_TLB_DATA(g1, g2, TTE_W) ! use non-global mapping |
stxa %g1, [%g0] ASI_DTLB_DATA_IN_REG |
membar #Sync |
/* |
* Now is time to take over the IMMU. Unfortunatelly, it cannot be done |
* as easily as the DMMU, because the IMMU is mapping the code it |
* executes. |
* |
* [ Note that brave experiments with disabling the IMMU and using the |
* DMMU approach failed after a dozen of desparate days with only little |
* success. ] |
* |
* The approach used here is inspired from OpenBSD. First, the kernel |
* creates IMMU mapping for itself in context 1 (MEM_CONTEXT_TEMP) and |
* switches to it. Context 0 (MEM_CONTEXT_KERNEL) can be demapped |
* afterwards and replaced with the kernel permanent mapping. Finally, |
* the kernel switches back to context 0 and demaps context 1. |
* |
* Moreover, the IMMU requires use of the FLUSH instructions. But that |
* is OK because we always use operands with addresses already mapped by |
* the taken over DTLB. |
*/ |
set kernel_image_start, %g5 |
! write ITLB tag of context 1 |
SET_TLB_TAG(g1, MEM_CONTEXT_TEMP) |
mov VA_DMMU_TAG_ACCESS, %g2 |
stxa %g1, [%g2] ASI_IMMU |
flush %g5 |
! write ITLB data and install the temporary mapping in context 1 |
SET_TLB_DATA(g1, g2, 0) ! use non-global mapping |
stxa %g1, [%g0] ASI_ITLB_DATA_IN_REG |
flush %g5 |
! switch to context 1 |
mov MEM_CONTEXT_TEMP, %g1 |
stxa %g1, [VA_PRIMARY_CONTEXT_REG] %asi ! ASI_DMMU is correct here !!! |
flush %g5 |
! demap context 0 |
SET_TLB_DEMAP_CMD(g1, TLB_DEMAP_NUCLEUS) |
stxa %g0, [%g1] ASI_IMMU_DEMAP |
flush %g5 |
! write ITLB tag of context 0 |
SET_TLB_TAG(g1, MEM_CONTEXT_KERNEL) |
mov VA_DMMU_TAG_ACCESS, %g2 |
stxa %g1, [%g2] ASI_IMMU |
flush %g5 |
! write ITLB data and install the permanent kernel mapping in context 0 |
SET_TLB_DATA(g1, g2, TTE_L) ! use non-global mapping |
stxa %g1, [%g0] ASI_ITLB_DATA_IN_REG |
flush %g5 |
! enter nucleus - using context 0 |
wrpr %g0, 1, %tl |
! demap context 1 |
SET_TLB_DEMAP_CMD(g1, TLB_DEMAP_PRIMARY) |
stxa %g0, [%g1] ASI_IMMU_DEMAP |
flush %g5 |
! set context 0 in the primary context register |
stxa %g0, [VA_PRIMARY_CONTEXT_REG] %asi ! ASI_DMMU is correct here !!! |
flush %g5 |
! leave nucleus - using primary context, i.e. context 0 |
wrpr %g0, 0, %tl |
brz %l7, 1f ! skip if you are not the bootstrap CPU |
nop |
/* |
* Save physmem_base for use by the mm subsystem. |
* %l6 contains starting physical address |
*/ |
sethi %hi(physmem_base), %l4 |
stx %l6, [%l4 + %lo(physmem_base)] |
/* |
* Precompute kernel 8K TLB data template. |
* %l5 contains starting physical address |
* bits [(PHYSMEM_ADDR_SIZE - 1):13] |
*/ |
sethi %hi(kernel_8k_tlb_data_template), %l4 |
ldx [%l4 + %lo(kernel_8k_tlb_data_template)], %l3 |
or %l3, %l5, %l3 |
stx %l3, [%l4 + %lo(kernel_8k_tlb_data_template)] |
/* |
* Flush D-Cache. |
*/ |
call dcache_flush |
nop |
/* |
* So far, we have not touched the stack. |
* It is a good idea to set the kernel stack to a known state now. |
*/ |
sethi %hi(temporary_boot_stack), %sp |
or %sp, %lo(temporary_boot_stack), %sp |
sub %sp, STACK_BIAS, %sp |
sethi %hi(bootinfo), %o0 |
call memcpy ! copy bootinfo |
or %o0, %lo(bootinfo), %o0 |
call arch_pre_main |
nop |
call main_bsp |
nop |
/* Not reached. */ |
0: |
ba %xcc, 0b |
nop |
1: |
#ifdef CONFIG_SMP |
/* |
* Determine the width of the MID and save its mask to %g3. The width |
* is |
* * 5 for US and US-IIIi, |
* * 10 for US3 except US-IIIi. |
*/ |
#if defined(US) |
mov 0x1f, %g3 |
#elif defined(US3) |
mov 0x3ff, %g3 |
rdpr %ver, %g2 |
sllx %g2, 16, %g2 |
srlx %g2, 48, %g2 |
cmp %g2, IMPL_ULTRASPARCIII_I |
move %xcc, 0x1f, %g3 |
#endif |
/* |
* Read MID from the processor. |
*/ |
ldxa [%g0] ASI_ICBUS_CONFIG, %g1 |
srlx %g1, ICBUS_CONFIG_MID_SHIFT, %g1 |
and %g1, %g3, %g1 |
/* |
* Active loop for APs until the BSP picks them up. A processor cannot |
* leave the loop until the global variable 'waking_up_mid' equals its |
* MID. |
*/ |
set waking_up_mid, %g2 |
2: |
ldx [%g2], %g3 |
cmp %g3, %g1 |
bne %xcc, 2b |
nop |
/* |
* Configure stack for the AP. |
* The AP is expected to use the stack saved |
* in the ctx global variable. |
*/ |
set ctx, %g1 |
add %g1, OFFSET_SP, %g1 |
ldx [%g1], %o6 |
call main_ap |
nop |
/* Not reached. */ |
#endif |
0: |
ba %xcc, 0b |
nop |
.section K_DATA_START, "aw", @progbits |
/* |
* Create small stack to be used by the bootstrap processor. It is going to be |
* used only for a very limited period of time, but we switch to it anyway, |
* just to be sure we are properly initialized. |
*/ |
#define INITIAL_STACK_SIZE 1024 |
.align STACK_ALIGNMENT |
.space INITIAL_STACK_SIZE |
.align STACK_ALIGNMENT |
temporary_boot_stack: |
.space STACK_WINDOW_SAVE_AREA_SIZE |
.data |
.align 8 |
.global physmem_base ! copy of the physical memory base address |
physmem_base: |
.quad 0 |
/* |
* The fast_data_access_mmu_miss_data_hi label and the end_of_identity and |
* kernel_8k_tlb_data_template variables are meant to stay together, |
* aligned on 16B boundary. |
*/ |
.global fast_data_access_mmu_miss_data_hi |
.global end_of_identity |
.global kernel_8k_tlb_data_template |
.align 16 |
/* |
* This label is used by the fast_data_access_MMU_miss trap handler. |
*/ |
fast_data_access_mmu_miss_data_hi: |
/* |
* This variable is used by the fast_data_access_MMU_miss trap handler. |
* In runtime, it is modified to contain the address of the end of physical |
* memory. |
*/ |
end_of_identity: |
.quad -1 |
/* |
* This variable is used by the fast_data_access_MMU_miss trap handler. |
* In runtime, it is further modified to reflect the starting address of |
* physical memory. |
*/ |
kernel_8k_tlb_data_template: |
#ifdef CONFIG_VIRT_IDX_DCACHE |
.quad ((1 << TTE_V_SHIFT) | (PAGESIZE_8K << TTE_SIZE_SHIFT) | TTE_CP | \ |
TTE_CV | TTE_P | TTE_W) |
#else /* CONFIG_VIRT_IDX_DCACHE */ |
.quad ((1 << TTE_V_SHIFT) | (PAGESIZE_8K << TTE_SIZE_SHIFT) | TTE_CP | \ |
TTE_P | TTE_W) |
#endif /* CONFIG_VIRT_IDX_DCACHE */ |
/branches/arm/kernel/arch/sparc64/src/console.c |
---|
0,0 → 1,159 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/console.h> |
#include <arch/types.h> |
#include <arch/drivers/scr.h> |
#include <arch/drivers/kbd.h> |
#include <arch/drivers/sgcn.h> |
#include <genarch/srln/srln.h> |
#include <console/chardev.h> |
#include <console/console.h> |
#include <arch/asm.h> |
#include <arch/register.h> |
#include <proc/thread.h> |
#include <arch/mm/tlb.h> |
#include <genarch/ofw/ofw_tree.h> |
#include <arch.h> |
#include <panic.h> |
#include <string.h> |
#include <print.h> |
#define KEYBOARD_POLL_PAUSE 50000 /* 50ms */ |
/** |
* Initialize kernel console to use framebuffer and keyboard directly. |
* Called on UltraSPARC machines with standard keyboard and framebuffer. |
* |
* @param aliases the "/aliases" OBP node |
*/ |
static void standard_console_init(ofw_tree_node_t *aliases) |
{ |
#ifdef CONFIG_FB |
ofw_tree_property_t *prop_scr = ofw_tree_getprop(aliases, "screen"); |
if (!prop_scr) |
panic("Cannot find property 'screen'."); |
if (!prop_scr->value) |
panic("Cannot find screen alias."); |
ofw_tree_node_t *screen = ofw_tree_lookup(prop_scr->value); |
if (!screen) |
panic("Cannot find %s.", prop_scr->value); |
scr_init(screen); |
#endif |
#ifdef CONFIG_SUN_KBD |
ofw_tree_property_t *prop_kbd = ofw_tree_getprop(aliases, "keyboard"); |
if (!prop_kbd) |
panic("Cannot find property 'keyboard'."); |
if (!prop_kbd->value) |
panic("Cannot find keyboard alias."); |
ofw_tree_node_t *keyboard = ofw_tree_lookup(prop_kbd->value); |
if (!keyboard) |
panic("Cannot find %s.", prop_kbd->value); |
kbd_init(keyboard); |
#endif |
} |
/** Initilize I/O on the Serengeti machine. */ |
static void serengeti_init(void) |
{ |
#ifdef CONFIG_SGCN_KBD |
sgcn_instance_t *sgcn_instance = sgcnin_init(); |
if (sgcn_instance) { |
srln_instance_t *srln_instance = srln_init(); |
if (srln_instance) { |
indev_t *sink = stdin_wire(); |
indev_t *srln = srln_wire(srln_instance, sink); |
sgcnin_wire(sgcn_instance, srln); |
} |
} |
#endif |
#ifdef CONFIG_SGCN_PRN |
sgcnout_init(); |
#endif |
} |
/** |
* Initialize input/output. Auto-detects the type of machine |
* and calls the appropriate I/O init routine. |
*/ |
void standalone_sparc64_console_init(void) |
{ |
ofw_tree_node_t *aliases; |
ofw_tree_property_t *prop; |
aliases = ofw_tree_lookup("/aliases"); |
if (!aliases) |
panic("Cannot find '/aliases'."); |
/* "def-cn" = "default console" */ |
prop = ofw_tree_getprop(aliases, "def-cn"); |
if ((!prop) || (!prop->value) || (str_cmp(prop->value, "/sgcn") != 0)) { |
standard_console_init(aliases); |
} else { |
serengeti_init(); |
} |
} |
/** Acquire console back for kernel |
* |
*/ |
void arch_grab_console(void) |
{ |
#ifdef CONFIG_FB |
scr_redraw(); |
#endif |
#ifdef CONFIG_SGCN_KBD |
sgcn_grab(); |
#endif |
} |
/** Return console to userspace |
* |
*/ |
void arch_release_console(void) |
{ |
#ifdef CONFIG_SGCN_KBD |
sgcn_release(); |
#endif |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/sparc64.c |
---|
0,0 → 1,168 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch.h> |
#include <debug.h> |
#include <config.h> |
#include <arch/trap/trap.h> |
#include <arch/console.h> |
#include <console/console.h> |
#include <arch/boot/boot.h> |
#include <arch/arch.h> |
#include <arch/asm.h> |
#include <arch/mm/page.h> |
#include <arch/stack.h> |
#include <genarch/ofw/ofw_tree.h> |
#include <userspace.h> |
#include <ddi/irq.h> |
#include <string.h> |
bootinfo_t bootinfo; |
/** Perform sparc64-specific initialization before main_bsp() is called. */ |
void arch_pre_main(void) |
{ |
/* Copy init task info. */ |
init.cnt = bootinfo.taskmap.count; |
uint32_t i; |
for (i = 0; i < bootinfo.taskmap.count; i++) { |
init.tasks[i].addr = (uintptr_t) bootinfo.taskmap.tasks[i].addr; |
init.tasks[i].size = bootinfo.taskmap.tasks[i].size; |
str_cpy(init.tasks[i].name, CONFIG_TASK_NAME_BUFLEN, |
bootinfo.taskmap.tasks[i].name); |
} |
/* Copy boot allocations info. */ |
ballocs.base = bootinfo.ballocs.base; |
ballocs.size = bootinfo.ballocs.size; |
ofw_tree_init(bootinfo.ofw_root); |
} |
/** Perform sparc64 specific initialization before mm is initialized. */ |
void arch_pre_mm_init(void) |
{ |
if (config.cpu_active == 1) |
trap_init(); |
} |
/** Perform sparc64 specific initialization afterr mm is initialized. */ |
void arch_post_mm_init(void) |
{ |
if (config.cpu_active == 1) { |
/* |
* We have 2^11 different interrupt vectors. |
* But we only create 128 buckets. |
*/ |
irq_init(1 << 11, 128); |
} |
} |
void arch_post_cpu_init(void) |
{ |
} |
void arch_pre_smp_init(void) |
{ |
} |
void arch_post_smp_init(void) |
{ |
standalone_sparc64_console_init(); |
} |
/** Calibrate delay loop. |
* |
* On sparc64, we implement delay() by waiting for the TICK register to |
* reach a pre-computed value, as opposed to performing some pre-computed |
* amount of instructions of known duration. We set the delay_loop_const |
* to 1 in order to neutralize the multiplication done by delay(). |
*/ |
void calibrate_delay_loop(void) |
{ |
CPU->delay_loop_const = 1; |
} |
/** Wait several microseconds. |
* |
* We assume that interrupts are already disabled. |
* |
* @param t Microseconds to wait. |
*/ |
void asm_delay_loop(const uint32_t usec) |
{ |
uint64_t stop = tick_read() + (uint64_t) usec * (uint64_t) |
CPU->arch.clock_frequency / 1000000; |
while (tick_read() < stop) |
; |
} |
/** Switch to userspace. */ |
void userspace(uspace_arg_t *kernel_uarg) |
{ |
switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry, |
((uintptr_t) kernel_uarg->uspace_stack) + STACK_SIZE |
- (ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT) + STACK_BIAS), |
(uintptr_t) kernel_uarg->uspace_uarg); |
for (;;) |
; |
/* not reached */ |
} |
void arch_reboot(void) |
{ |
// TODO |
while (1); |
} |
/** Construct function pointer |
* |
* @param fptr function pointer structure |
* @param addr function address |
* @param caller calling function address |
* |
* @return address of the function pointer |
* |
*/ |
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
{ |
return addr; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/ddi/ddi.c |
---|
0,0 → 1,55 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64ddi |
* @{ |
*/ |
/** @file |
*/ |
#include <ddi/ddi.h> |
#include <proc/task.h> |
#include <arch/types.h> |
/** Enable I/O space range for task. |
* |
* Interrupts are disabled and task is locked. |
* |
* @param task Task. |
* @param ioaddr Starting I/O space address. |
* @param size Size of the enabled I/O range. |
* |
* @return 0 on success or an error code from errno.h. |
*/ |
int ddi_iospace_enable_arch(task_t *task, uintptr_t ioaddr, size_t size) |
{ |
return 0; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/cpu/cpu.c |
---|
0,0 → 1,189 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/cpu_family.h> |
#include <cpu.h> |
#include <arch.h> |
#include <genarch/ofw/ofw_tree.h> |
#include <arch/drivers/tick.h> |
#include <print.h> |
#include <arch/cpu_node.h> |
/** |
* Finds out the clock frequency of the current CPU. |
* |
* @param node node representing the current CPU in the OFW tree |
* @return clock frequency if "node" is the current CPU and no error |
* occurs, -1 if "node" is not the current CPU or on error |
*/ |
static int find_cpu_frequency(ofw_tree_node_t *node) |
{ |
ofw_tree_property_t *prop; |
uint32_t mid; |
/* 'upa-portid' for US, 'portid' for US-III, 'cpuid' for US-IV */ |
prop = ofw_tree_getprop(node, "upa-portid"); |
if ((!prop) || (!prop->value)) |
prop = ofw_tree_getprop(node, "portid"); |
if ((!prop) || (!prop->value)) |
prop = ofw_tree_getprop(node, "cpuid"); |
if (prop && prop->value) { |
mid = *((uint32_t *) prop->value); |
if (mid == CPU->arch.mid) { |
prop = ofw_tree_getprop(node, "clock-frequency"); |
if (prop && prop->value) { |
return *((uint32_t *) prop->value); |
} |
} |
} |
return -1; |
} |
/** Perform sparc64 specific initialization of the processor structure for the |
* current processor. |
*/ |
void cpu_arch_init(void) |
{ |
ofw_tree_node_t *node; |
uint32_t clock_frequency = 0; |
CPU->arch.mid = read_mid(); |
/* |
* Detect processor frequency. |
*/ |
if (is_us() || is_us_iii()) { |
node = ofw_tree_find_child_by_device_type(cpus_parent(), "cpu"); |
while (node) { |
int f = find_cpu_frequency(node); |
if (f != -1) |
clock_frequency = (uint32_t) f; |
node = ofw_tree_find_peer_by_device_type(node, "cpu"); |
} |
} else if (is_us_iv()) { |
node = ofw_tree_find_child(cpus_parent(), "cmp"); |
while (node) { |
int f; |
f = find_cpu_frequency( |
ofw_tree_find_child(node, "cpu@0")); |
if (f != -1) |
clock_frequency = (uint32_t) f; |
f = find_cpu_frequency( |
ofw_tree_find_child(node, "cpu@1")); |
if (f != -1) |
clock_frequency = (uint32_t) f; |
node = ofw_tree_find_peer_by_name(node, "cmp"); |
} |
} |
CPU->arch.clock_frequency = clock_frequency; |
tick_init(); |
} |
/** Read version information from the current processor. */ |
void cpu_identify(void) |
{ |
CPU->arch.ver.value = ver_read(); |
} |
/** Print version information for a processor. |
* |
* This function is called by the bootstrap processor. |
* |
* @param m Processor structure of the CPU for which version information is to |
* be printed. |
*/ |
void cpu_print_report(cpu_t *m) |
{ |
char *manuf, *impl; |
switch (m->arch.ver.manuf) { |
case MANUF_FUJITSU: |
manuf = "Fujitsu"; |
break; |
case MANUF_ULTRASPARC: |
manuf = "UltraSPARC"; |
break; |
case MANUF_SUN: |
manuf = "Sun"; |
break; |
default: |
manuf = "Unknown"; |
break; |
} |
switch (CPU->arch.ver.impl) { |
case IMPL_ULTRASPARCI: |
impl = "UltraSPARC I"; |
break; |
case IMPL_ULTRASPARCII: |
impl = "UltraSPARC II"; |
break; |
case IMPL_ULTRASPARCII_I: |
impl = "UltraSPARC IIi"; |
break; |
case IMPL_ULTRASPARCII_E: |
impl = "UltraSPARC IIe"; |
break; |
case IMPL_ULTRASPARCIII: |
impl = "UltraSPARC III"; |
break; |
case IMPL_ULTRASPARCIII_PLUS: |
impl = "UltraSPARC III+"; |
break; |
case IMPL_ULTRASPARCIII_I: |
impl = "UltraSPARC IIIi"; |
break; |
case IMPL_ULTRASPARCIV: |
impl = "UltraSPARC IV"; |
break; |
case IMPL_ULTRASPARCIV_PLUS: |
impl = "UltraSPARC IV+"; |
break; |
case IMPL_SPARC64V: |
impl = "SPARC 64V"; |
break; |
default: |
impl = "Unknown"; |
break; |
} |
printf("cpu%d: manuf=%s, impl=%s, mask=%d (%d MHz)\n", m->id, manuf, |
impl, m->arch.ver.mask, m->arch.clock_frequency / 1000000); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/proc/thread.c |
---|
0,0 → 1,83 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64proc |
* @{ |
*/ |
/** @file |
*/ |
#include <proc/thread.h> |
#include <arch/proc/thread.h> |
#include <mm/slab.h> |
#include <arch/trap/regwin.h> |
#include <align.h> |
void thr_constructor_arch(thread_t *t) |
{ |
/* |
* Allocate memory for uspace_window_buffer. |
*/ |
t->arch.uspace_window_buffer = NULL; |
} |
void thr_destructor_arch(thread_t *t) |
{ |
if (t->arch.uspace_window_buffer) { |
uintptr_t uw_buf = (uintptr_t) t->arch.uspace_window_buffer; |
/* |
* Mind the possible alignment of the userspace window buffer |
* belonging to a killed thread. |
*/ |
free((uint8_t *) ALIGN_DOWN(uw_buf, UWB_ALIGNMENT)); |
} |
} |
void thread_create_arch(thread_t *t) |
{ |
if ((t->flags & THREAD_FLAG_USPACE) && (!t->arch.uspace_window_buffer)) |
{ |
/* |
* The thread needs userspace window buffer and the object |
* returned from the slab allocator doesn't have any. |
*/ |
t->arch.uspace_window_buffer = malloc(UWB_ASIZE, 0); |
} else { |
uintptr_t uw_buf = (uintptr_t) t->arch.uspace_window_buffer; |
/* |
* Mind the possible alignment of the userspace window buffer |
* belonging to a killed thread. |
*/ |
t->arch.uspace_window_buffer = (uint8_t *) ALIGN_DOWN(uw_buf, |
UWB_ASIZE); |
} |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/proc/scheduler.c |
---|
0,0 → 1,83 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64proc |
* @{ |
*/ |
/** @file |
*/ |
#include <proc/scheduler.h> |
#include <proc/thread.h> |
#include <arch.h> |
#include <arch/asm.h> |
#include <arch/stack.h> |
/** Perform sparc64 specific tasks needed before the new task is run. */ |
void before_task_runs_arch(void) |
{ |
} |
/** Perform sparc64 specific steps before scheduling a thread. |
* |
* For userspace threads, initialize reserved global registers in the alternate |
* and interrupt sets. |
*/ |
void before_thread_runs_arch(void) |
{ |
if ((THREAD->flags & THREAD_FLAG_USPACE)) { |
/* |
* Write kernel stack address to %g6 of the alternate and |
* interrupt global sets. |
* |
* Write pointer to the last item in the userspace window buffer |
* to %g7 in the alternate set. Write to the interrupt %g7 is |
* not necessary because: |
* - spill traps operate only in the alternate global set, |
* - preemptible trap handler switches to alternate globals |
* before it explicitly uses %g7. |
*/ |
uint64_t sp = (uintptr_t) THREAD->kstack + STACK_SIZE - |
(STACK_BIAS + ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT)); |
write_to_ig_g6(sp); |
write_to_ag_g6(sp); |
write_to_ag_g7((uintptr_t) THREAD->arch.uspace_window_buffer); |
} |
} |
/** Perform sparc64 specific steps before a thread stops running. */ |
void after_thread_ran_arch(void) |
{ |
if ((THREAD->flags & THREAD_FLAG_USPACE)) { |
/* sample the state of the userspace window buffer */ |
THREAD->arch.uspace_window_buffer = (uint8_t *) read_from_ag_g7(); |
} |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/context.S |
---|
0,0 → 1,63 |
# |
# Copyright (c) 2005 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include <arch/context_offset.h> |
/** |
* Both context_save_arch() and context_restore_arch() are |
* leaf-optimized procedures. This kind of optimization |
* is very important and prevents any implicit window |
* spill/fill/clean traps in these very core kernel |
* functions. |
*/ |
#include <arch/context_offset.h> |
.text |
.global context_save_arch |
.global context_restore_arch |
context_save_arch: |
CONTEXT_SAVE_ARCH_CORE %o0 |
retl |
mov 1, %o0 ! context_save_arch returns 1 |
context_restore_arch: |
# |
# Flush all active windows. |
# This is essential, because CONTEXT_LOAD overwrites |
# %sp of CWP - 1 with the value written to %fp of CWP. |
# Flushing all active windows mitigates this problem |
# as CWP - 1 becomes the overlap window. |
# |
flushw |
CONTEXT_RESTORE_ARCH_CORE %o0 |
retl |
xor %o0, %o0, %o0 ! context_restore_arch returns 0 |
/branches/arm/kernel/arch/sparc64/src/fpu_context.c |
---|
0,0 → 1,178 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
* |
*/ |
#include <fpu_context.h> |
#include <arch/register.h> |
#include <arch/asm.h> |
void fpu_context_save(fpu_context_t *fctx) |
{ |
asm volatile ( |
"std %%f0, %0\n" |
"std %%f2, %1\n" |
"std %%f4, %2\n" |
"std %%f6, %3\n" |
"std %%f8, %4\n" |
"std %%f10, %5\n" |
"std %%f12, %6\n" |
"std %%f14, %7\n" |
"std %%f16, %8\n" |
"std %%f18, %9\n" |
"std %%f20, %10\n" |
"std %%f22, %11\n" |
"std %%f24, %12\n" |
"std %%f26, %13\n" |
"std %%f28, %14\n" |
"std %%f30, %15\n" |
: "=m" (fctx->d[0]), "=m" (fctx->d[1]), "=m" (fctx->d[2]), "=m" (fctx->d[3]), |
"=m" (fctx->d[4]), "=m" (fctx->d[5]), "=m" (fctx->d[6]), "=m" (fctx->d[7]), |
"=m" (fctx->d[8]), "=m" (fctx->d[9]), "=m" (fctx->d[10]), "=m" (fctx->d[11]), |
"=m" (fctx->d[12]), "=m" (fctx->d[13]), "=m" (fctx->d[14]), "=m" (fctx->d[15]) |
); |
/* |
* We need to split loading of the floating-point registers because |
* GCC (4.1.1) can't handle more than 30 operands in one asm statement. |
*/ |
asm volatile ( |
"std %%f32, %0\n" |
"std %%f34, %1\n" |
"std %%f36, %2\n" |
"std %%f38, %3\n" |
"std %%f40, %4\n" |
"std %%f42, %5\n" |
"std %%f44, %6\n" |
"std %%f46, %7\n" |
"std %%f48, %8\n" |
"std %%f50, %9\n" |
"std %%f52, %10\n" |
"std %%f54, %11\n" |
"std %%f56, %12\n" |
"std %%f58, %13\n" |
"std %%f60, %14\n" |
"std %%f62, %15\n" |
: "=m" (fctx->d[16]), "=m" (fctx->d[17]), "=m" (fctx->d[18]), "=m" (fctx->d[19]), |
"=m" (fctx->d[20]), "=m" (fctx->d[21]), "=m" (fctx->d[22]), "=m" (fctx->d[23]), |
"=m" (fctx->d[24]), "=m" (fctx->d[25]), "=m" (fctx->d[26]), "=m" (fctx->d[27]), |
"=m" (fctx->d[28]), "=m" (fctx->d[29]), "=m" (fctx->d[30]), "=m" (fctx->d[31]) |
); |
asm volatile ("stx %%fsr, %0\n" : "=m" (fctx->fsr)); |
} |
void fpu_context_restore(fpu_context_t *fctx) |
{ |
asm volatile ( |
"ldd %0, %%f0\n" |
"ldd %1, %%f2\n" |
"ldd %2, %%f4\n" |
"ldd %3, %%f6\n" |
"ldd %4, %%f8\n" |
"ldd %5, %%f10\n" |
"ldd %6, %%f12\n" |
"ldd %7, %%f14\n" |
"ldd %8, %%f16\n" |
"ldd %9, %%f18\n" |
"ldd %10, %%f20\n" |
"ldd %11, %%f22\n" |
"ldd %12, %%f24\n" |
"ldd %13, %%f26\n" |
"ldd %14, %%f28\n" |
"ldd %15, %%f30\n" |
: |
: "m" (fctx->d[0]), "m" (fctx->d[1]), "m" (fctx->d[2]), "m" (fctx->d[3]), |
"m" (fctx->d[4]), "m" (fctx->d[5]), "m" (fctx->d[6]), "m" (fctx->d[7]), |
"m" (fctx->d[8]), "m" (fctx->d[9]), "m" (fctx->d[10]), "m" (fctx->d[11]), |
"m" (fctx->d[12]), "m" (fctx->d[13]), "m" (fctx->d[14]), "m" (fctx->d[15]) |
); |
/* |
* We need to split loading of the floating-point registers because |
* GCC (4.1.1) can't handle more than 30 operands in one asm statement. |
*/ |
asm volatile ( |
"ldd %0, %%f32\n" |
"ldd %1, %%f34\n" |
"ldd %2, %%f36\n" |
"ldd %3, %%f38\n" |
"ldd %4, %%f40\n" |
"ldd %5, %%f42\n" |
"ldd %6, %%f44\n" |
"ldd %7, %%f46\n" |
"ldd %8, %%f48\n" |
"ldd %9, %%f50\n" |
"ldd %10, %%f52\n" |
"ldd %11, %%f54\n" |
"ldd %12, %%f56\n" |
"ldd %13, %%f58\n" |
"ldd %14, %%f60\n" |
"ldd %15, %%f62\n" |
: |
: "m" (fctx->d[16]), "m" (fctx->d[17]), "m" (fctx->d[18]), "m" (fctx->d[19]), |
"m" (fctx->d[20]), "m" (fctx->d[21]), "m" (fctx->d[22]), "m" (fctx->d[23]), |
"m" (fctx->d[24]), "m" (fctx->d[25]), "m" (fctx->d[26]), "m" (fctx->d[27]), |
"m" (fctx->d[28]), "m" (fctx->d[29]), "m" (fctx->d[30]), "m" (fctx->d[31]) |
); |
asm volatile ("ldx %0, %%fsr\n" : : "m" (fctx->fsr)); |
} |
void fpu_enable(void) |
{ |
pstate_reg_t pstate; |
pstate.value = pstate_read(); |
pstate.pef = true; |
pstate_write(pstate.value); |
} |
void fpu_disable(void) |
{ |
pstate_reg_t pstate; |
pstate.value = pstate_read(); |
pstate.pef = false; |
pstate_write(pstate.value); |
} |
void fpu_init(void) |
{ |
fpu_enable(); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/src/panic.S |
---|
0,0 → 1,40 |
# |
# Copyright (c) 2005 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
.text |
#include <arch/stack.h> |
.global panic_printf |
panic_printf: |
call printf |
nop |
call halt |
nop |
/* Not reached. */ |
/branches/arm/kernel/arch/sparc64/include/context.h |
---|
0,0 → 1,84 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_CONTEXT_H_ |
#define KERN_sparc64_CONTEXT_H_ |
#include <arch/stack.h> |
#include <arch/types.h> |
#include <align.h> |
#define SP_DELTA (STACK_WINDOW_SAVE_AREA_SIZE + STACK_ARG_SAVE_AREA_SIZE) |
#ifdef context_set |
#undef context_set |
#endif |
#define context_set(c, _pc, stack, size) \ |
(c)->pc = ((uintptr_t) _pc) - 8; \ |
(c)->sp = ((uintptr_t) stack) + ALIGN_UP((size), \ |
STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA); \ |
(c)->fp = -STACK_BIAS |
/* |
* Save only registers that must be preserved across |
* function calls. |
*/ |
typedef struct { |
uintptr_t sp; /* %o6 */ |
uintptr_t pc; /* %o7 */ |
uint64_t i0; |
uint64_t i1; |
uint64_t i2; |
uint64_t i3; |
uint64_t i4; |
uint64_t i5; |
uintptr_t fp; /* %i6 */ |
uintptr_t i7; |
uint64_t l0; |
uint64_t l1; |
uint64_t l2; |
uint64_t l3; |
uint64_t l4; |
uint64_t l5; |
uint64_t l6; |
uint64_t l7; |
ipl_t ipl; |
} context_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/types.h |
---|
0,0 → 1,89 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_TYPES_H_ |
#define KERN_sparc64_TYPES_H_ |
typedef signed char int8_t; |
typedef signed short int16_t; |
typedef signed int int32_t; |
typedef signed long int64_t; |
typedef unsigned char uint8_t; |
typedef unsigned short uint16_t; |
typedef unsigned int uint32_t; |
typedef unsigned long uint64_t; |
typedef uint64_t size_t; |
typedef uint64_t uintptr_t; |
typedef uint64_t pfn_t; |
typedef uint64_t ipl_t; |
typedef uint64_t unative_t; |
typedef int64_t native_t; |
typedef struct { |
} fncptr_t; |
/**< Formats for uintptr_t, size_t */ |
#define PRIp "llx" |
#define PRIs "llu" |
/**< Formats for (u)int8_t, (u)int16_t, (u)int32_t, (u)int64_t and (u)native_t */ |
#define PRId8 "d" |
#define PRId16 "d" |
#define PRId32 "d" |
#define PRId64 "lld" |
#define PRIdn "lld" |
#define PRIu8 "u" |
#define PRIu16 "u" |
#define PRIu32 "u" |
#define PRIu64 "llu" |
#define PRIun "llu" |
#define PRIx8 "x" |
#define PRIx16 "x" |
#define PRIx32 "x" |
#define PRIx64 "llx" |
#define PRIxn "llx" |
typedef uint8_t asi_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/mm/tlb.h |
---|
0,0 → 1,692 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_TLB_H_ |
#define KERN_sparc64_TLB_H_ |
#if defined (US) |
#define ITLB_ENTRY_COUNT 64 |
#define DTLB_ENTRY_COUNT 64 |
#define DTLB_MAX_LOCKED_ENTRIES DTLB_ENTRY_COUNT |
#endif |
/** TLB_DSMALL is the only of the three DMMUs that can hold locked entries. */ |
#if defined (US3) |
#define DTLB_MAX_LOCKED_ENTRIES 16 |
#endif |
#define MEM_CONTEXT_KERNEL 0 |
#define MEM_CONTEXT_TEMP 1 |
/** Page sizes. */ |
#define PAGESIZE_8K 0 |
#define PAGESIZE_64K 1 |
#define PAGESIZE_512K 2 |
#define PAGESIZE_4M 3 |
/** Bit width of the TLB-locked portion of kernel address space. */ |
#define KERNEL_PAGE_WIDTH 22 /* 4M */ |
/* TLB Demap Operation types. */ |
#define TLB_DEMAP_PAGE 0 |
#define TLB_DEMAP_CONTEXT 1 |
#if defined (US3) |
#define TLB_DEMAP_ALL 2 |
#endif |
#define TLB_DEMAP_TYPE_SHIFT 6 |
/* TLB Demap Operation Context register encodings. */ |
#define TLB_DEMAP_PRIMARY 0 |
#define TLB_DEMAP_SECONDARY 1 |
#define TLB_DEMAP_NUCLEUS 2 |
/* There are more TLBs in one MMU in US3, their codes are defined here. */ |
#if defined (US3) |
/* D-MMU: one small (16-entry) TLB and two big (512-entry) TLBs */ |
#define TLB_DSMALL 0 |
#define TLB_DBIG_0 2 |
#define TLB_DBIG_1 3 |
/* I-MMU: one small (16-entry) TLB and one big TLB */ |
#define TLB_ISMALL 0 |
#define TLB_IBIG 2 |
#endif |
#define TLB_DEMAP_CONTEXT_SHIFT 4 |
/* TLB Tag Access shifts */ |
#define TLB_TAG_ACCESS_CONTEXT_SHIFT 0 |
#define TLB_TAG_ACCESS_CONTEXT_MASK ((1 << 13) - 1) |
#define TLB_TAG_ACCESS_VPN_SHIFT 13 |
#ifndef __ASM__ |
#include <arch/mm/tte.h> |
#include <arch/mm/mmu.h> |
#include <arch/mm/page.h> |
#include <arch/asm.h> |
#include <arch/barrier.h> |
#include <arch/types.h> |
#include <arch/register.h> |
#include <arch/cpu.h> |
union tlb_context_reg { |
uint64_t v; |
struct { |
unsigned long : 51; |
unsigned context : 13; /**< Context/ASID. */ |
} __attribute__ ((packed)); |
}; |
typedef union tlb_context_reg tlb_context_reg_t; |
/** I-/D-TLB Data In/Access Register type. */ |
typedef tte_data_t tlb_data_t; |
/** I-/D-TLB Data Access Address in Alternate Space. */ |
#if defined (US) |
union tlb_data_access_addr { |
uint64_t value; |
struct { |
uint64_t : 55; |
unsigned tlb_entry : 6; |
unsigned : 3; |
} __attribute__ ((packed)); |
}; |
typedef union tlb_data_access_addr dtlb_data_access_addr_t; |
typedef union tlb_data_access_addr dtlb_tag_read_addr_t; |
typedef union tlb_data_access_addr itlb_data_access_addr_t; |
typedef union tlb_data_access_addr itlb_tag_read_addr_t; |
#elif defined (US3) |
/* |
* In US3, I-MMU and D-MMU have different formats of the data |
* access register virtual address. In the corresponding |
* structures the member variable for the entry number is |
* called "local_tlb_entry" - it contrasts with the "tlb_entry" |
* for the US data access register VA structure. The rationale |
* behind this is to prevent careless mistakes in the code |
* caused by setting only the entry number and not the TLB |
* number in the US3 code (when taking the code from US). |
*/ |
union dtlb_data_access_addr { |
uint64_t value; |
struct { |
uint64_t : 45; |
unsigned : 1; |
unsigned tlb_number : 2; |
unsigned : 4; |
unsigned local_tlb_entry : 9; |
unsigned : 3; |
} __attribute__ ((packed)); |
}; |
typedef union dtlb_data_access_addr dtlb_data_access_addr_t; |
typedef union dtlb_data_access_addr dtlb_tag_read_addr_t; |
union itlb_data_access_addr { |
uint64_t value; |
struct { |
uint64_t : 45; |
unsigned : 1; |
unsigned tlb_number : 2; |
unsigned : 6; |
unsigned local_tlb_entry : 7; |
unsigned : 3; |
} __attribute__ ((packed)); |
}; |
typedef union itlb_data_access_addr itlb_data_access_addr_t; |
typedef union itlb_data_access_addr itlb_tag_read_addr_t; |
#endif |
/** I-/D-TLB Tag Read Register. */ |
union tlb_tag_read_reg { |
uint64_t value; |
struct { |
uint64_t vpn : 51; /**< Virtual Address bits 63:13. */ |
unsigned context : 13; /**< Context identifier. */ |
} __attribute__ ((packed)); |
}; |
typedef union tlb_tag_read_reg tlb_tag_read_reg_t; |
typedef union tlb_tag_read_reg tlb_tag_access_reg_t; |
/** TLB Demap Operation Address. */ |
union tlb_demap_addr { |
uint64_t value; |
struct { |
uint64_t vpn: 51; /**< Virtual Address bits 63:13. */ |
#if defined (US) |
unsigned : 6; /**< Ignored. */ |
unsigned type : 1; /**< The type of demap operation. */ |
#elif defined (US3) |
unsigned : 5; /**< Ignored. */ |
unsigned type: 2; /**< The type of demap operation. */ |
#endif |
unsigned context : 2; /**< Context register selection. */ |
unsigned : 4; /**< Zero. */ |
} __attribute__ ((packed)); |
}; |
typedef union tlb_demap_addr tlb_demap_addr_t; |
/** TLB Synchronous Fault Status Register. */ |
union tlb_sfsr_reg { |
uint64_t value; |
struct { |
#if defined (US) |
unsigned long : 40; /**< Implementation dependent. */ |
unsigned asi : 8; /**< ASI. */ |
unsigned : 2; |
unsigned ft : 7; /**< Fault type. */ |
#elif defined (US3) |
unsigned long : 39; /**< Implementation dependent. */ |
unsigned nf : 1; /**< Non-faulting load. */ |
unsigned asi : 8; /**< ASI. */ |
unsigned tm : 1; /**< I-TLB miss. */ |
unsigned : 3; /**< Reserved. */ |
unsigned ft : 5; /**< Fault type. */ |
#endif |
unsigned e : 1; /**< Side-effect bit. */ |
unsigned ct : 2; /**< Context Register selection. */ |
unsigned pr : 1; /**< Privilege bit. */ |
unsigned w : 1; /**< Write bit. */ |
unsigned ow : 1; /**< Overwrite bit. */ |
unsigned fv : 1; /**< Fault Valid bit. */ |
} __attribute__ ((packed)); |
}; |
typedef union tlb_sfsr_reg tlb_sfsr_reg_t; |
#if defined (US3) |
/* |
* Functions for determining the number of entries in TLBs. They either return |
* a constant value or a value based on the CPU autodetection. |
*/ |
/** |
* Determine the number of entries in the DMMU's small TLB. |
*/ |
static inline uint16_t tlb_dsmall_size(void) |
{ |
return 16; |
} |
/** |
* Determine the number of entries in each DMMU's big TLB. |
*/ |
static inline uint16_t tlb_dbig_size(void) |
{ |
return 512; |
} |
/** |
* Determine the number of entries in the IMMU's small TLB. |
*/ |
static inline uint16_t tlb_ismall_size(void) |
{ |
return 16; |
} |
/** |
* Determine the number of entries in the IMMU's big TLB. |
*/ |
static inline uint16_t tlb_ibig_size(void) |
{ |
if (((ver_reg_t) ver_read()).impl == IMPL_ULTRASPARCIV_PLUS) |
return 512; |
else |
return 128; |
} |
#endif |
/** Read MMU Primary Context Register. |
* |
* @return Current value of Primary Context Register. |
*/ |
static inline uint64_t mmu_primary_context_read(void) |
{ |
return asi_u64_read(ASI_DMMU, VA_PRIMARY_CONTEXT_REG); |
} |
/** Write MMU Primary Context Register. |
* |
* @param v New value of Primary Context Register. |
*/ |
static inline void mmu_primary_context_write(uint64_t v) |
{ |
asi_u64_write(ASI_DMMU, VA_PRIMARY_CONTEXT_REG, v); |
flush_pipeline(); |
} |
/** Read MMU Secondary Context Register. |
* |
* @return Current value of Secondary Context Register. |
*/ |
static inline uint64_t mmu_secondary_context_read(void) |
{ |
return asi_u64_read(ASI_DMMU, VA_SECONDARY_CONTEXT_REG); |
} |
/** Write MMU Primary Context Register. |
* |
* @param v New value of Primary Context Register. |
*/ |
static inline void mmu_secondary_context_write(uint64_t v) |
{ |
asi_u64_write(ASI_DMMU, VA_SECONDARY_CONTEXT_REG, v); |
flush_pipeline(); |
} |
#if defined (US) |
/** Read IMMU TLB Data Access Register. |
* |
* @param entry TLB Entry index. |
* |
* @return Current value of specified IMMU TLB Data Access |
* Register. |
*/ |
static inline uint64_t itlb_data_access_read(size_t entry) |
{ |
itlb_data_access_addr_t reg; |
reg.value = 0; |
reg.tlb_entry = entry; |
return asi_u64_read(ASI_ITLB_DATA_ACCESS_REG, reg.value); |
} |
/** Write IMMU TLB Data Access Register. |
* |
* @param entry TLB Entry index. |
* @param value Value to be written. |
*/ |
static inline void itlb_data_access_write(size_t entry, uint64_t value) |
{ |
itlb_data_access_addr_t reg; |
reg.value = 0; |
reg.tlb_entry = entry; |
asi_u64_write(ASI_ITLB_DATA_ACCESS_REG, reg.value, value); |
flush_pipeline(); |
} |
/** Read DMMU TLB Data Access Register. |
* |
* @param entry TLB Entry index. |
* |
* @return Current value of specified DMMU TLB Data Access |
* Register. |
*/ |
static inline uint64_t dtlb_data_access_read(size_t entry) |
{ |
dtlb_data_access_addr_t reg; |
reg.value = 0; |
reg.tlb_entry = entry; |
return asi_u64_read(ASI_DTLB_DATA_ACCESS_REG, reg.value); |
} |
/** Write DMMU TLB Data Access Register. |
* |
* @param entry TLB Entry index. |
* @param value Value to be written. |
*/ |
static inline void dtlb_data_access_write(size_t entry, uint64_t value) |
{ |
dtlb_data_access_addr_t reg; |
reg.value = 0; |
reg.tlb_entry = entry; |
asi_u64_write(ASI_DTLB_DATA_ACCESS_REG, reg.value, value); |
membar(); |
} |
/** Read IMMU TLB Tag Read Register. |
* |
* @param entry TLB Entry index. |
* |
* @return Current value of specified IMMU TLB Tag Read Register. |
*/ |
static inline uint64_t itlb_tag_read_read(size_t entry) |
{ |
itlb_tag_read_addr_t tag; |
tag.value = 0; |
tag.tlb_entry = entry; |
return asi_u64_read(ASI_ITLB_TAG_READ_REG, tag.value); |
} |
/** Read DMMU TLB Tag Read Register. |
* |
* @param entry TLB Entry index. |
* |
* @return Current value of specified DMMU TLB Tag Read Register. |
*/ |
static inline uint64_t dtlb_tag_read_read(size_t entry) |
{ |
dtlb_tag_read_addr_t tag; |
tag.value = 0; |
tag.tlb_entry = entry; |
return asi_u64_read(ASI_DTLB_TAG_READ_REG, tag.value); |
} |
#elif defined (US3) |
/** Read IMMU TLB Data Access Register. |
* |
* @param tlb TLB number (one of TLB_ISMALL or TLB_IBIG) |
* @param entry TLB Entry index. |
* |
* @return Current value of specified IMMU TLB Data Access |
* Register. |
*/ |
static inline uint64_t itlb_data_access_read(int tlb, size_t entry) |
{ |
itlb_data_access_addr_t reg; |
reg.value = 0; |
reg.tlb_number = tlb; |
reg.local_tlb_entry = entry; |
return asi_u64_read(ASI_ITLB_DATA_ACCESS_REG, reg.value); |
} |
/** Write IMMU TLB Data Access Register. |
* @param tlb TLB number (one of TLB_ISMALL or TLB_IBIG) |
* @param entry TLB Entry index. |
* @param value Value to be written. |
*/ |
static inline void itlb_data_access_write(int tlb, size_t entry, |
uint64_t value) |
{ |
itlb_data_access_addr_t reg; |
reg.value = 0; |
reg.tlb_number = tlb; |
reg.local_tlb_entry = entry; |
asi_u64_write(ASI_ITLB_DATA_ACCESS_REG, reg.value, value); |
flush_pipeline(); |
} |
/** Read DMMU TLB Data Access Register. |
* |
* @param tlb TLB number (one of TLB_DSMALL, TLB_DBIG, TLB_DBIG) |
* @param entry TLB Entry index. |
* |
* @return Current value of specified DMMU TLB Data Access |
* Register. |
*/ |
static inline uint64_t dtlb_data_access_read(int tlb, size_t entry) |
{ |
dtlb_data_access_addr_t reg; |
reg.value = 0; |
reg.tlb_number = tlb; |
reg.local_tlb_entry = entry; |
return asi_u64_read(ASI_DTLB_DATA_ACCESS_REG, reg.value); |
} |
/** Write DMMU TLB Data Access Register. |
* |
* @param tlb TLB number (one of TLB_DSMALL, TLB_DBIG_0, TLB_DBIG_1) |
* @param entry TLB Entry index. |
* @param value Value to be written. |
*/ |
static inline void dtlb_data_access_write(int tlb, size_t entry, |
uint64_t value) |
{ |
dtlb_data_access_addr_t reg; |
reg.value = 0; |
reg.tlb_number = tlb; |
reg.local_tlb_entry = entry; |
asi_u64_write(ASI_DTLB_DATA_ACCESS_REG, reg.value, value); |
membar(); |
} |
/** Read IMMU TLB Tag Read Register. |
* |
* @param tlb TLB number (one of TLB_ISMALL or TLB_IBIG) |
* @param entry TLB Entry index. |
* |
* @return Current value of specified IMMU TLB Tag Read Register. |
*/ |
static inline uint64_t itlb_tag_read_read(int tlb, size_t entry) |
{ |
itlb_tag_read_addr_t tag; |
tag.value = 0; |
tag.tlb_number = tlb; |
tag.local_tlb_entry = entry; |
return asi_u64_read(ASI_ITLB_TAG_READ_REG, tag.value); |
} |
/** Read DMMU TLB Tag Read Register. |
* |
* @param tlb TLB number (one of TLB_DSMALL, TLB_DBIG_0, TLB_DBIG_1) |
* @param entry TLB Entry index. |
* |
* @return Current value of specified DMMU TLB Tag Read Register. |
*/ |
static inline uint64_t dtlb_tag_read_read(int tlb, size_t entry) |
{ |
dtlb_tag_read_addr_t tag; |
tag.value = 0; |
tag.tlb_number = tlb; |
tag.local_tlb_entry = entry; |
return asi_u64_read(ASI_DTLB_TAG_READ_REG, tag.value); |
} |
#endif |
/** Write IMMU TLB Tag Access Register. |
* |
* @param v Value to be written. |
*/ |
static inline void itlb_tag_access_write(uint64_t v) |
{ |
asi_u64_write(ASI_IMMU, VA_IMMU_TAG_ACCESS, v); |
flush_pipeline(); |
} |
/** Read IMMU TLB Tag Access Register. |
* |
* @return Current value of IMMU TLB Tag Access Register. |
*/ |
static inline uint64_t itlb_tag_access_read(void) |
{ |
return asi_u64_read(ASI_IMMU, VA_IMMU_TAG_ACCESS); |
} |
/** Write DMMU TLB Tag Access Register. |
* |
* @param v Value to be written. |
*/ |
static inline void dtlb_tag_access_write(uint64_t v) |
{ |
asi_u64_write(ASI_DMMU, VA_DMMU_TAG_ACCESS, v); |
membar(); |
} |
/** Read DMMU TLB Tag Access Register. |
* |
* @return Current value of DMMU TLB Tag Access Register. |
*/ |
static inline uint64_t dtlb_tag_access_read(void) |
{ |
return asi_u64_read(ASI_DMMU, VA_DMMU_TAG_ACCESS); |
} |
/** Write IMMU TLB Data in Register. |
* |
* @param v Value to be written. |
*/ |
static inline void itlb_data_in_write(uint64_t v) |
{ |
asi_u64_write(ASI_ITLB_DATA_IN_REG, 0, v); |
flush_pipeline(); |
} |
/** Write DMMU TLB Data in Register. |
* |
* @param v Value to be written. |
*/ |
static inline void dtlb_data_in_write(uint64_t v) |
{ |
asi_u64_write(ASI_DTLB_DATA_IN_REG, 0, v); |
membar(); |
} |
/** Read ITLB Synchronous Fault Status Register. |
* |
* @return Current content of I-SFSR register. |
*/ |
static inline uint64_t itlb_sfsr_read(void) |
{ |
return asi_u64_read(ASI_IMMU, VA_IMMU_SFSR); |
} |
/** Write ITLB Synchronous Fault Status Register. |
* |
* @param v New value of I-SFSR register. |
*/ |
static inline void itlb_sfsr_write(uint64_t v) |
{ |
asi_u64_write(ASI_IMMU, VA_IMMU_SFSR, v); |
flush_pipeline(); |
} |
/** Read DTLB Synchronous Fault Status Register. |
* |
* @return Current content of D-SFSR register. |
*/ |
static inline uint64_t dtlb_sfsr_read(void) |
{ |
return asi_u64_read(ASI_DMMU, VA_DMMU_SFSR); |
} |
/** Write DTLB Synchronous Fault Status Register. |
* |
* @param v New value of D-SFSR register. |
*/ |
static inline void dtlb_sfsr_write(uint64_t v) |
{ |
asi_u64_write(ASI_DMMU, VA_DMMU_SFSR, v); |
membar(); |
} |
/** Read DTLB Synchronous Fault Address Register. |
* |
* @return Current content of D-SFAR register. |
*/ |
static inline uint64_t dtlb_sfar_read(void) |
{ |
return asi_u64_read(ASI_DMMU, VA_DMMU_SFAR); |
} |
/** Perform IMMU TLB Demap Operation. |
* |
* @param type Selects between context and page demap (and entire MMU |
* demap on US3). |
* @param context_encoding Specifies which Context register has Context ID for |
* demap. |
* @param page Address which is on the page to be demapped. |
*/ |
static inline void itlb_demap(int type, int context_encoding, uintptr_t page) |
{ |
tlb_demap_addr_t da; |
page_address_t pg; |
da.value = 0; |
pg.address = page; |
da.type = type; |
da.context = context_encoding; |
da.vpn = pg.vpn; |
/* da.value is the address within the ASI */ |
asi_u64_write(ASI_IMMU_DEMAP, da.value, 0); |
flush_pipeline(); |
} |
/** Perform DMMU TLB Demap Operation. |
* |
* @param type Selects between context and page demap (and entire MMU |
* demap on US3). |
* @param context_encoding Specifies which Context register has Context ID for |
* demap. |
* @param page Address which is on the page to be demapped. |
*/ |
static inline void dtlb_demap(int type, int context_encoding, uintptr_t page) |
{ |
tlb_demap_addr_t da; |
page_address_t pg; |
da.value = 0; |
pg.address = page; |
da.type = type; |
da.context = context_encoding; |
da.vpn = pg.vpn; |
/* da.value is the address within the ASI */ |
asi_u64_write(ASI_DMMU_DEMAP, da.value, 0); |
membar(); |
} |
extern void fast_instruction_access_mmu_miss(unative_t, istate_t *); |
extern void fast_data_access_mmu_miss(tlb_tag_access_reg_t, istate_t *); |
extern void fast_data_access_protection(tlb_tag_access_reg_t , istate_t *); |
extern void dtlb_insert_mapping(uintptr_t, uintptr_t, int, bool, bool); |
extern void dump_sfsr_and_sfar(void); |
#endif /* !def __ASM__ */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/mm/tsb.h |
---|
0,0 → 1,172 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_TSB_H_ |
#define KERN_sparc64_TSB_H_ |
/* |
* ITSB abd DTSB will claim 64K of memory, which |
* is a nice number considered that it is one of |
* the page sizes supported by hardware, which, |
* again, is nice because TSBs need to be locked |
* in TLBs - only one TLB entry will do. |
*/ |
#define TSB_SIZE 2 /* when changing this, change |
* as.c as well */ |
#define ITSB_ENTRY_COUNT (512 * (1 << TSB_SIZE)) |
#define DTSB_ENTRY_COUNT (512 * (1 << TSB_SIZE)) |
#define TSB_TAG_TARGET_CONTEXT_SHIFT 48 |
#ifndef __ASM__ |
#include <arch/mm/tte.h> |
#include <arch/mm/mmu.h> |
#include <arch/types.h> |
/** TSB Base register. */ |
typedef union tsb_base_reg { |
uint64_t value; |
struct { |
uint64_t base : 51; /**< TSB base address, bits 63:13. */ |
unsigned split : 1; /**< Split vs. common TSB for 8K and 64K |
* pages. HelenOS uses only 8K pages |
* for user mappings, so we always set |
* this to 0. |
*/ |
unsigned : 9; |
unsigned size : 3; /**< TSB size. Number of entries is |
* 512 * 2^size. */ |
} __attribute__ ((packed)); |
} tsb_base_reg_t; |
/** Read ITSB Base register. |
* |
* @return Content of the ITSB Base register. |
*/ |
static inline uint64_t itsb_base_read(void) |
{ |
return asi_u64_read(ASI_IMMU, VA_IMMU_TSB_BASE); |
} |
/** Read DTSB Base register. |
* |
* @return Content of the DTSB Base register. |
*/ |
static inline uint64_t dtsb_base_read(void) |
{ |
return asi_u64_read(ASI_DMMU, VA_DMMU_TSB_BASE); |
} |
/** Write ITSB Base register. |
* |
* @param v New content of the ITSB Base register. |
*/ |
static inline void itsb_base_write(uint64_t v) |
{ |
asi_u64_write(ASI_IMMU, VA_IMMU_TSB_BASE, v); |
} |
/** Write DTSB Base register. |
* |
* @param v New content of the DTSB Base register. |
*/ |
static inline void dtsb_base_write(uint64_t v) |
{ |
asi_u64_write(ASI_DMMU, VA_DMMU_TSB_BASE, v); |
} |
#if defined (US3) |
/** Write DTSB Primary Extension register. |
* |
* @param v New content of the DTSB Primary Extension register. |
*/ |
static inline void dtsb_primary_extension_write(uint64_t v) |
{ |
asi_u64_write(ASI_DMMU, VA_DMMU_PRIMARY_EXTENSION, v); |
} |
/** Write DTSB Secondary Extension register. |
* |
* @param v New content of the DTSB Secondary Extension register. |
*/ |
static inline void dtsb_secondary_extension_write(uint64_t v) |
{ |
asi_u64_write(ASI_DMMU, VA_DMMU_SECONDARY_EXTENSION, v); |
} |
/** Write DTSB Nucleus Extension register. |
* |
* @param v New content of the DTSB Nucleus Extension register. |
*/ |
static inline void dtsb_nucleus_extension_write(uint64_t v) |
{ |
asi_u64_write(ASI_DMMU, VA_DMMU_NUCLEUS_EXTENSION, v); |
} |
/** Write ITSB Primary Extension register. |
* |
* @param v New content of the ITSB Primary Extension register. |
*/ |
static inline void itsb_primary_extension_write(uint64_t v) |
{ |
asi_u64_write(ASI_IMMU, VA_IMMU_PRIMARY_EXTENSION, v); |
} |
/** Write ITSB Nucleus Extension register. |
* |
* @param v New content of the ITSB Nucleus Extension register. |
*/ |
static inline void itsb_nucleus_extension_write(uint64_t v) |
{ |
asi_u64_write(ASI_IMMU, VA_IMMU_NUCLEUS_EXTENSION, v); |
} |
#endif |
/* Forward declarations. */ |
struct as; |
struct pte; |
extern void tsb_invalidate(struct as *as, uintptr_t page, size_t pages); |
extern void itsb_pte_copy(struct pte *t, size_t index); |
extern void dtsb_pte_copy(struct pte *t, size_t index, bool ro); |
#endif /* !def __ASM__ */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/mm/frame.h |
---|
0,0 → 1,87 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_FRAME_H_ |
#define KERN_sparc64_FRAME_H_ |
/* |
* Page size supported by the MMU. |
* For 8K there is the nasty illegal virtual aliasing problem. |
* Therefore, the kernel uses 8K only internally on the TLB and TSB levels. |
*/ |
#define MMU_FRAME_WIDTH 13 /* 8K */ |
#define MMU_FRAME_SIZE (1 << MMU_FRAME_WIDTH) |
/* |
* Page size exported to the generic memory management subsystems. |
* This page size is not directly supported by the MMU, but we can emulate |
* each 16K page with a pair of adjacent 8K pages. |
*/ |
#define FRAME_WIDTH 14 /* 16K */ |
#define FRAME_SIZE (1 << FRAME_WIDTH) |
#ifdef KERNEL |
#ifndef __ASM__ |
#include <arch/types.h> |
union frame_address { |
uintptr_t address; |
struct { |
#if defined (US) |
unsigned : 23; |
uint64_t pfn : 28; /**< Physical Frame Number. */ |
#elif defined (US3) |
unsigned : 21; |
uint64_t pfn : 30; /**< Physical Frame Number. */ |
#endif |
unsigned offset : 13; /**< Offset. */ |
} __attribute__ ((packed)); |
}; |
typedef union frame_address frame_address_t; |
extern uintptr_t last_frame; |
extern uintptr_t end_of_identity; |
extern void frame_arch_init(void); |
#define physmem_print() |
#endif |
#endif |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/mm/tte.h |
---|
0,0 → 1,104 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_TTE_H_ |
#define KERN_sparc64_TTE_H_ |
#define TTE_G (1 << 0) |
#define TTE_W (1 << 1) |
#define TTE_P (1 << 2) |
#define TTE_E (1 << 3) |
#define TTE_CV (1 << 4) |
#define TTE_CP (1 << 5) |
#define TTE_L (1 << 6) |
#define TTE_V_SHIFT 63 |
#define TTE_SIZE_SHIFT 61 |
#ifndef __ASM__ |
#include <arch/types.h> |
/* TTE tag's VA_tag field contains bits <63:VA_TAG_PAGE_SHIFT> of the VA */ |
#define VA_TAG_PAGE_SHIFT 22 |
/** Translation Table Entry - Tag. */ |
union tte_tag { |
uint64_t value; |
struct { |
unsigned g : 1; /**< Global. */ |
unsigned : 2; /**< Reserved. */ |
unsigned context : 13; /**< Context identifier. */ |
unsigned : 6; /**< Reserved. */ |
uint64_t va_tag : 42; /**< Virtual Address Tag, bits 63:22. */ |
} __attribute__ ((packed)); |
}; |
typedef union tte_tag tte_tag_t; |
/** Translation Table Entry - Data. */ |
union tte_data { |
uint64_t value; |
struct { |
unsigned v : 1; /**< Valid. */ |
unsigned size : 2; /**< Page size of this entry. */ |
unsigned nfo : 1; /**< No-Fault-Only. */ |
unsigned ie : 1; /**< Invert Endianness. */ |
unsigned soft2 : 9; /**< Software defined field. */ |
#if defined (US) |
unsigned diag : 9; /**< Diagnostic data. */ |
unsigned pfn : 28; /**< Physical Address bits, bits 40:13. */ |
#elif defined (US3) |
unsigned : 7; /**< Reserved. */ |
unsigned pfn : 30; /**< Physical Address bits, bits 42:13 */ |
#endif |
unsigned soft : 6; /**< Software defined field. */ |
unsigned l : 1; /**< Lock. */ |
unsigned cp : 1; /**< Cacheable in physically indexed cache. */ |
unsigned cv : 1; /**< Cacheable in virtually indexed cache. */ |
unsigned e : 1; /**< Side-effect. */ |
unsigned p : 1; /**< Privileged. */ |
unsigned w : 1; /**< Writable. */ |
unsigned g : 1; /**< Global. */ |
} __attribute__ ((packed)); |
}; |
typedef union tte_data tte_data_t; |
#endif /* !def __ASM__ */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/mm/cache_spec.h |
---|
0,0 → 1,58 |
/* |
* Copyright (c) 2008 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_CACHE_SPEC_H_ |
#define KERN_sparc64_CACHE_SPEC_H_ |
/* |
* The following macros are valid for the following processors: |
* |
* UltraSPARC, UltraSPARC II, UltraSPARC IIi, UltraSPARC III, |
* UltraSPARC III+, UltraSPARC IV, UltraSPARC IV+ |
* |
* Should we support other UltraSPARC processors, we need to make sure that |
* the macros are defined correctly for them. |
*/ |
#if defined (US) |
#define DCACHE_SIZE (16 * 1024) |
#elif defined (US3) |
#define DCACHE_SIZE (64 * 1024) |
#endif |
#define DCACHE_LINE_SIZE 32 |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/mm/mmu.h |
---|
0,0 → 1,123 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_MMU_H_ |
#define KERN_sparc64_MMU_H_ |
#if defined(US) |
/* LSU Control Register ASI. */ |
#define ASI_LSU_CONTROL_REG 0x45 /**< Load/Store Unit Control Register. */ |
#endif |
/* I-MMU ASIs. */ |
#define ASI_IMMU 0x50 |
#define ASI_IMMU_TSB_8KB_PTR_REG 0x51 |
#define ASI_IMMU_TSB_64KB_PTR_REG 0x52 |
#define ASI_ITLB_DATA_IN_REG 0x54 |
#define ASI_ITLB_DATA_ACCESS_REG 0x55 |
#define ASI_ITLB_TAG_READ_REG 0x56 |
#define ASI_IMMU_DEMAP 0x57 |
/* Virtual Addresses within ASI_IMMU. */ |
#define VA_IMMU_TSB_TAG_TARGET 0x0 /**< IMMU TSB tag target register. */ |
#define VA_IMMU_SFSR 0x18 /**< IMMU sync fault status register. */ |
#define VA_IMMU_TSB_BASE 0x28 /**< IMMU TSB base register. */ |
#define VA_IMMU_TAG_ACCESS 0x30 /**< IMMU TLB tag access register. */ |
#if defined (US3) |
#define VA_IMMU_PRIMARY_EXTENSION 0x48 /**< IMMU TSB primary extension register */ |
#define VA_IMMU_NUCLEUS_EXTENSION 0x58 /**< IMMU TSB nucleus extension register */ |
#endif |
/* D-MMU ASIs. */ |
#define ASI_DMMU 0x58 |
#define ASI_DMMU_TSB_8KB_PTR_REG 0x59 |
#define ASI_DMMU_TSB_64KB_PTR_REG 0x5a |
#define ASI_DMMU_TSB_DIRECT_PTR_REG 0x5b |
#define ASI_DTLB_DATA_IN_REG 0x5c |
#define ASI_DTLB_DATA_ACCESS_REG 0x5d |
#define ASI_DTLB_TAG_READ_REG 0x5e |
#define ASI_DMMU_DEMAP 0x5f |
/* Virtual Addresses within ASI_DMMU. */ |
#define VA_DMMU_TSB_TAG_TARGET 0x0 /**< DMMU TSB tag target register. */ |
#define VA_PRIMARY_CONTEXT_REG 0x8 /**< DMMU primary context register. */ |
#define VA_SECONDARY_CONTEXT_REG 0x10 /**< DMMU secondary context register. */ |
#define VA_DMMU_SFSR 0x18 /**< DMMU sync fault status register. */ |
#define VA_DMMU_SFAR 0x20 /**< DMMU sync fault address register. */ |
#define VA_DMMU_TSB_BASE 0x28 /**< DMMU TSB base register. */ |
#define VA_DMMU_TAG_ACCESS 0x30 /**< DMMU TLB tag access register. */ |
#define VA_DMMU_VA_WATCHPOINT_REG 0x38 /**< DMMU VA data watchpoint register. */ |
#define VA_DMMU_PA_WATCHPOINT_REG 0x40 /**< DMMU PA data watchpoint register. */ |
#if defined (US3) |
#define VA_DMMU_PRIMARY_EXTENSION 0x48 /**< DMMU TSB primary extension register */ |
#define VA_DMMU_SECONDARY_EXTENSION 0x50 /**< DMMU TSB secondary extension register */ |
#define VA_DMMU_NUCLEUS_EXTENSION 0x58 /**< DMMU TSB nucleus extension register */ |
#endif |
#ifndef __ASM__ |
#include <arch/asm.h> |
#include <arch/barrier.h> |
#include <arch/types.h> |
#if defined(US) |
/** LSU Control Register. */ |
typedef union { |
uint64_t value; |
struct { |
unsigned : 23; |
unsigned pm : 8; |
unsigned vm : 8; |
unsigned pr : 1; |
unsigned pw : 1; |
unsigned vr : 1; |
unsigned vw : 1; |
unsigned : 1; |
unsigned fm : 16; |
unsigned dm : 1; /**< D-MMU enable. */ |
unsigned im : 1; /**< I-MMU enable. */ |
unsigned dc : 1; /**< D-Cache enable. */ |
unsigned ic : 1; /**< I-Cache enable. */ |
} __attribute__ ((packed)); |
} lsu_cr_reg_t; |
#endif /* US */ |
#endif /* !def __ASM__ */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/mm/cache.h |
---|
0,0 → 1,44 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_CACHE_H_ |
#define KERN_sparc64_CACHE_H_ |
#include <mm/page.h> |
#include <mm/frame.h> |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/mm/page.h |
---|
0,0 → 1,84 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_PAGE_H_ |
#define KERN_sparc64_PAGE_H_ |
#include <arch/mm/frame.h> |
/* |
* On the TLB and TSB level, we still use 8K pages, which are supported by the |
* MMU. |
*/ |
#define MMU_PAGE_WIDTH MMU_FRAME_WIDTH |
#define MMU_PAGE_SIZE MMU_FRAME_SIZE |
/* |
* On the page table level, we use 16K pages. 16K pages are not supported by |
* the MMU but we emulate them with pairs of 8K pages. |
*/ |
#define PAGE_WIDTH FRAME_WIDTH |
#define PAGE_SIZE FRAME_SIZE |
#define MMU_PAGES_PER_PAGE (1 << (PAGE_WIDTH - MMU_PAGE_WIDTH)) |
#ifdef KERNEL |
#ifndef __ASM__ |
#include <arch/interrupt.h> |
extern uintptr_t physmem_base; |
#define KA2PA(x) (((uintptr_t) (x)) + physmem_base) |
#define PA2KA(x) (((uintptr_t) (x)) - physmem_base) |
typedef union { |
uintptr_t address; |
struct { |
uint64_t vpn : 51; /**< Virtual Page Number. */ |
unsigned offset : 13; /**< Offset. */ |
} __attribute__ ((packed)); |
} page_address_t; |
extern void page_arch_init(void); |
#endif /* !def __ASM__ */ |
#endif /* KERNEL */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/mm/as.h |
---|
0,0 → 1,96 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_AS_H_ |
#define KERN_sparc64_AS_H_ |
#include <arch/mm/tte.h> |
#define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 1 |
#define KERNEL_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000 |
#define KERNEL_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff |
#define USER_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000 |
#define USER_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff |
#define USTACK_ADDRESS_ARCH (0xffffffffffffffffULL - (PAGE_SIZE - 1)) |
#ifdef CONFIG_TSB |
/** TSB Tag Target register. */ |
typedef union tsb_tag_target { |
uint64_t value; |
struct { |
unsigned invalid : 1; /**< Invalidated by software. */ |
unsigned : 2; |
unsigned context : 13; /**< Software ASID. */ |
unsigned : 6; |
uint64_t va_tag : 42; /**< Virtual address bits <63:22>. */ |
} __attribute__ ((packed)); |
} tsb_tag_target_t; |
/** TSB entry. */ |
typedef struct tsb_entry { |
tsb_tag_target_t tag; |
tte_data_t data; |
} __attribute__ ((packed)) tsb_entry_t; |
typedef struct { |
tsb_entry_t *itsb; |
tsb_entry_t *dtsb; |
} as_arch_t; |
#else |
typedef struct { |
} as_arch_t; |
#endif /* CONFIG_TSB */ |
#include <genarch/mm/as_ht.h> |
#ifdef CONFIG_TSB |
#include <arch/mm/tsb.h> |
#define as_invalidate_translation_cache(as, page, cnt) \ |
tsb_invalidate((as), (page), (cnt)) |
#else |
#define as_invalidate_translation_cache(as, page, cnt) |
#endif |
extern void as_arch_init(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/mm/asid.h |
---|
0,0 → 1,50 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_ASID_H_ |
#define KERN_sparc64_ASID_H_ |
#include <arch/types.h> |
/* |
* On SPARC, Context means the same thing as ASID trough out the kernel. |
*/ |
typedef uint16_t asid_t; |
#define ASID_MAX_ARCH 8191 /* 2^13 - 1 */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/trap/trap_table.h |
---|
0,0 → 1,112 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64interrupt |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_TRAP_TABLE_H_ |
#define KERN_sparc64_TRAP_TABLE_H_ |
#include <arch/stack.h> |
#define TRAP_TABLE_ENTRY_COUNT 1024 |
#define TRAP_TABLE_ENTRY_SIZE 32 |
#define TRAP_TABLE_SIZE (TRAP_TABLE_ENTRY_COUNT * TRAP_TABLE_ENTRY_SIZE) |
#ifndef __ASM__ |
#include <arch/types.h> |
struct trap_table_entry { |
uint8_t octets[TRAP_TABLE_ENTRY_SIZE]; |
} __attribute__ ((packed)); |
typedef struct trap_table_entry trap_table_entry_t; |
extern trap_table_entry_t trap_table[TRAP_TABLE_ENTRY_COUNT]; |
extern trap_table_entry_t trap_table_save[TRAP_TABLE_ENTRY_COUNT]; |
#endif /* !__ASM__ */ |
#ifdef __ASM__ |
.macro SAVE_GLOBALS |
mov %g1, %l1 |
mov %g2, %l2 |
mov %g3, %l3 |
mov %g4, %l4 |
mov %g5, %l5 |
mov %g6, %l6 |
mov %g7, %l7 |
.endm |
.macro RESTORE_GLOBALS |
mov %l1, %g1 |
mov %l2, %g2 |
mov %l3, %g3 |
mov %l4, %g4 |
mov %l5, %g5 |
mov %l6, %g6 |
mov %l7, %g7 |
.endm |
/* |
* The following needs to be in sync with the definition of the istate |
* structure. The one STACK_ITEM_SIZE is counted for space holding the 7th |
* argument to syscall_handler (i.e. syscall number) and the other |
* STACK_ITEM_SIZE is counted because of the required alignment. |
*/ |
#define PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE \ |
(STACK_WINDOW_SAVE_AREA_SIZE + STACK_ARG_SAVE_AREA_SIZE + \ |
(2 * STACK_ITEM_SIZE) + (12 * 8)) |
#define SAVED_TSTATE -(1 * 8) |
#define SAVED_TPC -(2 * 8) |
#define SAVED_TNPC -(3 * 8) /* <-- istate_t begins here */ |
#define SAVED_Y -(4 * 8) |
#define SAVED_I0 -(5 * 8) |
#define SAVED_I1 -(6 * 8) |
#define SAVED_I2 -(7 * 8) |
#define SAVED_I3 -(8 * 8) |
#define SAVED_I4 -(9 * 8) |
#define SAVED_I5 -(10 * 8) |
#define SAVED_I6 -(11 * 8) |
#define SAVED_I7 -(12 * 8) |
.macro PREEMPTIBLE_HANDLER f |
sethi %hi(\f), %g1 |
ba %xcc, preemptible_handler |
or %g1, %lo(\f), %g1 |
.endm |
#endif /* __ASM__ */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/trap/mmu.h |
---|
0,0 → 1,184 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64interrupt |
* @{ |
*/ |
/** |
* @file |
* @brief This file contains fast MMU trap handlers. |
*/ |
#ifndef KERN_sparc64_MMU_TRAP_H_ |
#define KERN_sparc64_MMU_TRAP_H_ |
#include <arch/stack.h> |
#include <arch/regdef.h> |
#include <arch/mm/tlb.h> |
#include <arch/mm/mmu.h> |
#include <arch/mm/tte.h> |
#include <arch/trap/regwin.h> |
#ifdef CONFIG_TSB |
#include <arch/mm/tsb.h> |
#endif |
#define TT_FAST_INSTRUCTION_ACCESS_MMU_MISS 0x64 |
#define TT_FAST_DATA_ACCESS_MMU_MISS 0x68 |
#define TT_FAST_DATA_ACCESS_PROTECTION 0x6c |
#define FAST_MMU_HANDLER_SIZE 128 |
#ifdef __ASM__ |
.macro FAST_INSTRUCTION_ACCESS_MMU_MISS_HANDLER |
/* |
* First, try to refill TLB from TSB. |
*/ |
#ifdef CONFIG_TSB |
ldxa [%g0] ASI_IMMU, %g1 ! read TSB Tag Target Register |
ldxa [%g0] ASI_IMMU_TSB_8KB_PTR_REG, %g2 ! read TSB 8K Pointer |
ldda [%g2] ASI_NUCLEUS_QUAD_LDD, %g4 ! 16-byte atomic load into %g4 and %g5 |
cmp %g1, %g4 ! is this the entry we are looking for? |
bne,pn %xcc, 0f |
nop |
stxa %g5, [%g0] ASI_ITLB_DATA_IN_REG ! copy mapping from ITSB to ITLB |
retry |
#endif |
0: |
wrpr %g0, PSTATE_PRIV_BIT | PSTATE_AG_BIT, %pstate |
PREEMPTIBLE_HANDLER fast_instruction_access_mmu_miss |
.endm |
.macro FAST_DATA_ACCESS_MMU_MISS_HANDLER tl |
/* |
* First, try to refill TLB from TSB. |
*/ |
#ifdef CONFIG_TSB |
ldxa [%g0] ASI_DMMU, %g1 ! read TSB Tag Target Register |
srlx %g1, TSB_TAG_TARGET_CONTEXT_SHIFT, %g2 ! is this a kernel miss? |
brz,pn %g2, 0f |
ldxa [%g0] ASI_DMMU_TSB_8KB_PTR_REG, %g3 ! read TSB 8K Pointer |
ldda [%g3] ASI_NUCLEUS_QUAD_LDD, %g4 ! 16-byte atomic load into %g4 and %g5 |
cmp %g1, %g4 ! is this the entry we are looking for? |
bne,pn %xcc, 0f |
nop |
stxa %g5, [%g0] ASI_DTLB_DATA_IN_REG ! copy mapping from DTSB to DTLB |
retry |
#endif |
/* |
* Second, test if it is the portion of the kernel address space |
* which is faulting. If that is the case, immediately create |
* identity mapping for that page in DTLB. VPN 0 is excluded from |
* this treatment. |
* |
* Note that branch-delay slots are used in order to save space. |
*/ |
0: |
sethi %hi(fast_data_access_mmu_miss_data_hi), %g7 |
wr %g0, ASI_DMMU, %asi |
ldxa [VA_DMMU_TAG_ACCESS] %asi, %g1 ! read the faulting Context and VPN |
set TLB_TAG_ACCESS_CONTEXT_MASK, %g2 |
andcc %g1, %g2, %g3 ! get Context |
bnz %xcc, 0f ! Context is non-zero |
andncc %g1, %g2, %g3 ! get page address into %g3 |
bz %xcc, 0f ! page address is zero |
ldx [%g7 + %lo(end_of_identity)], %g4 |
cmp %g3, %g4 |
bgeu %xcc, 0f |
ldx [%g7 + %lo(kernel_8k_tlb_data_template)], %g2 |
add %g3, %g2, %g2 |
stxa %g2, [%g0] ASI_DTLB_DATA_IN_REG ! identity map the kernel page |
retry |
/* |
* Third, catch and handle special cases when the trap is caused by |
* the userspace register window spill or fill handler. In case |
* one of these two traps caused this trap, we just lower the trap |
* level and service the DTLB miss. In the end, we restart |
* the offending SAVE or RESTORE. |
*/ |
0: |
.if (\tl > 0) |
wrpr %g0, 1, %tl |
.endif |
/* |
* Switch from the MM globals. |
*/ |
wrpr %g0, PSTATE_PRIV_BIT | PSTATE_AG_BIT, %pstate |
/* |
* Read the Tag Access register for the higher-level handler. |
* This is necessary to survive nested DTLB misses. |
*/ |
ldxa [VA_DMMU_TAG_ACCESS] %asi, %g2 |
/* |
* g2 will be passed as an argument to fast_data_access_mmu_miss(). |
*/ |
PREEMPTIBLE_HANDLER fast_data_access_mmu_miss |
.endm |
.macro FAST_DATA_ACCESS_PROTECTION_HANDLER tl |
/* |
* The same special case as in FAST_DATA_ACCESS_MMU_MISS_HANDLER. |
*/ |
.if (\tl > 0) |
wrpr %g0, 1, %tl |
.endif |
/* |
* Switch from the MM globals. |
*/ |
wrpr %g0, PSTATE_PRIV_BIT | PSTATE_AG_BIT, %pstate |
/* |
* Read the Tag Access register for the higher-level handler. |
* This is necessary to survive nested DTLB misses. |
*/ |
mov VA_DMMU_TAG_ACCESS, %g2 |
ldxa [%g2] ASI_DMMU, %g2 |
/* |
* g2 will be passed as an argument to fast_data_access_mmu_miss(). |
*/ |
PREEMPTIBLE_HANDLER fast_data_access_protection |
.endm |
#endif /* __ASM__ */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/trap/interrupt.h |
---|
0,0 → 1,139 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64interrupt |
* @{ |
*/ |
/** |
* @file |
* @brief This file contains interrupt vector trap handler. |
*/ |
#ifndef KERN_sparc64_TRAP_INTERRUPT_H_ |
#define KERN_sparc64_TRAP_INTERRUPT_H_ |
#include <arch/trap/trap_table.h> |
#include <arch/stack.h> |
/* IMAP register bits */ |
#define IGN_MASK 0x7c0 |
#define INO_MASK 0x1f |
#define IMAP_V_MASK (1ULL << 31) |
#define IGN_SHIFT 6 |
/* Interrupt ASI registers. */ |
#define ASI_INTR_W 0x77 |
#define ASI_INTR_DISPATCH_STATUS 0x48 |
#define ASI_INTR_R 0x7f |
#define ASI_INTR_RECEIVE 0x49 |
/* VA's used with ASI_INTR_W register. */ |
#if defined (US) |
#define ASI_UDB_INTR_W_DATA_0 0x40 |
#define ASI_UDB_INTR_W_DATA_1 0x50 |
#define ASI_UDB_INTR_W_DATA_2 0x60 |
#elif defined (US3) |
#define VA_INTR_W_DATA_0 0x40 |
#define VA_INTR_W_DATA_1 0x48 |
#define VA_INTR_W_DATA_2 0x50 |
#define VA_INTR_W_DATA_3 0x58 |
#define VA_INTR_W_DATA_4 0x60 |
#define VA_INTR_W_DATA_5 0x68 |
#define VA_INTR_W_DATA_6 0x80 |
#define VA_INTR_W_DATA_7 0x88 |
#endif |
#define VA_INTR_W_DISPATCH 0x70 |
/* VA's used with ASI_INTR_R register. */ |
#if defined(US) |
#define ASI_UDB_INTR_R_DATA_0 0x40 |
#define ASI_UDB_INTR_R_DATA_1 0x50 |
#define ASI_UDB_INTR_R_DATA_2 0x60 |
#elif defined (US3) |
#define VA_INTR_R_DATA_0 0x40 |
#define VA_INTR_R_DATA_1 0x48 |
#define VA_INTR_R_DATA_2 0x50 |
#define VA_INTR_R_DATA_3 0x58 |
#define VA_INTR_R_DATA_4 0x60 |
#define VA_INTR_R_DATA_5 0x68 |
#define VA_INTR_R_DATA_6 0x80 |
#define VA_INTR_R_DATA_7 0x88 |
#endif |
/* Shifts in the Interrupt Vector Dispatch virtual address. */ |
#define INTR_VEC_DISPATCH_MID_SHIFT 14 |
/* Bits in the Interrupt Dispatch Status register. */ |
#define INTR_DISPATCH_STATUS_NACK 0x2 |
#define INTR_DISPATCH_STATUS_BUSY 0x1 |
#define TT_INTERRUPT_LEVEL_1 0x41 |
#define TT_INTERRUPT_LEVEL_2 0x42 |
#define TT_INTERRUPT_LEVEL_3 0x43 |
#define TT_INTERRUPT_LEVEL_4 0x44 |
#define TT_INTERRUPT_LEVEL_5 0x45 |
#define TT_INTERRUPT_LEVEL_6 0x46 |
#define TT_INTERRUPT_LEVEL_7 0x47 |
#define TT_INTERRUPT_LEVEL_8 0x48 |
#define TT_INTERRUPT_LEVEL_9 0x49 |
#define TT_INTERRUPT_LEVEL_10 0x4a |
#define TT_INTERRUPT_LEVEL_11 0x4b |
#define TT_INTERRUPT_LEVEL_12 0x4c |
#define TT_INTERRUPT_LEVEL_13 0x4d |
#define TT_INTERRUPT_LEVEL_14 0x4e |
#define TT_INTERRUPT_LEVEL_15 0x4f |
#define TT_INTERRUPT_VECTOR_TRAP 0x60 |
#define INTERRUPT_LEVEL_N_HANDLER_SIZE TRAP_TABLE_ENTRY_SIZE |
#define INTERRUPT_VECTOR_TRAP_HANDLER_SIZE TRAP_TABLE_ENTRY_SIZE |
#ifdef __ASM__ |
.macro INTERRUPT_LEVEL_N_HANDLER n |
mov \n - 1, %g2 |
PREEMPTIBLE_HANDLER exc_dispatch |
.endm |
.macro INTERRUPT_VECTOR_TRAP_HANDLER |
PREEMPTIBLE_HANDLER interrupt |
.endm |
#endif /* __ASM__ */ |
#ifndef __ASM__ |
#include <arch/interrupt.h> |
extern void interrupt(int n, istate_t *istate); |
#endif /* !def __ASM__ */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/trap/regwin.h |
---|
0,0 → 1,237 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64interrupt |
* @{ |
*/ |
/** |
* @file |
* @brief This file contains register window trap handlers. |
*/ |
#ifndef KERN_sparc64_REGWIN_H_ |
#define KERN_sparc64_REGWIN_H_ |
#include <arch/stack.h> |
#include <arch/arch.h> |
#include <align.h> |
#define TT_CLEAN_WINDOW 0x24 |
#define TT_SPILL_0_NORMAL 0x80 /* kernel spills */ |
#define TT_SPILL_1_NORMAL 0x84 /* userspace spills */ |
#define TT_SPILL_2_NORMAL 0x88 /* spills to userspace window buffer */ |
#define TT_SPILL_0_OTHER 0xa0 /* spills to userspace window buffer */ |
#define TT_FILL_0_NORMAL 0xc0 /* kernel fills */ |
#define TT_FILL_1_NORMAL 0xc4 /* userspace fills */ |
#define REGWIN_HANDLER_SIZE 128 |
#define CLEAN_WINDOW_HANDLER_SIZE REGWIN_HANDLER_SIZE |
#define SPILL_HANDLER_SIZE REGWIN_HANDLER_SIZE |
#define FILL_HANDLER_SIZE REGWIN_HANDLER_SIZE |
/* Window Save Area offsets. */ |
#define L0_OFFSET 0 |
#define L1_OFFSET 8 |
#define L2_OFFSET 16 |
#define L3_OFFSET 24 |
#define L4_OFFSET 32 |
#define L5_OFFSET 40 |
#define L6_OFFSET 48 |
#define L7_OFFSET 56 |
#define I0_OFFSET 64 |
#define I1_OFFSET 72 |
#define I2_OFFSET 80 |
#define I3_OFFSET 88 |
#define I4_OFFSET 96 |
#define I5_OFFSET 104 |
#define I6_OFFSET 112 |
#define I7_OFFSET 120 |
/* Uspace Window Buffer constants. */ |
#define UWB_SIZE ((NWINDOWS - 1) * STACK_WINDOW_SAVE_AREA_SIZE) |
#define UWB_ALIGNMENT 1024 |
#define UWB_ASIZE ALIGN_UP(UWB_SIZE, UWB_ALIGNMENT) |
#ifdef __ASM__ |
/* |
* Macro used by the nucleus and the primary context 0 during normal and other spills. |
*/ |
.macro SPILL_NORMAL_HANDLER_KERNEL |
stx %l0, [%sp + STACK_BIAS + L0_OFFSET] |
stx %l1, [%sp + STACK_BIAS + L1_OFFSET] |
stx %l2, [%sp + STACK_BIAS + L2_OFFSET] |
stx %l3, [%sp + STACK_BIAS + L3_OFFSET] |
stx %l4, [%sp + STACK_BIAS + L4_OFFSET] |
stx %l5, [%sp + STACK_BIAS + L5_OFFSET] |
stx %l6, [%sp + STACK_BIAS + L6_OFFSET] |
stx %l7, [%sp + STACK_BIAS + L7_OFFSET] |
stx %i0, [%sp + STACK_BIAS + I0_OFFSET] |
stx %i1, [%sp + STACK_BIAS + I1_OFFSET] |
stx %i2, [%sp + STACK_BIAS + I2_OFFSET] |
stx %i3, [%sp + STACK_BIAS + I3_OFFSET] |
stx %i4, [%sp + STACK_BIAS + I4_OFFSET] |
stx %i5, [%sp + STACK_BIAS + I5_OFFSET] |
stx %i6, [%sp + STACK_BIAS + I6_OFFSET] |
stx %i7, [%sp + STACK_BIAS + I7_OFFSET] |
saved |
retry |
.endm |
/* |
* Macro used by the userspace during normal spills. |
*/ |
.macro SPILL_NORMAL_HANDLER_USERSPACE |
wr %g0, ASI_AIUP, %asi |
stxa %l0, [%sp + STACK_BIAS + L0_OFFSET] %asi |
stxa %l1, [%sp + STACK_BIAS + L1_OFFSET] %asi |
stxa %l2, [%sp + STACK_BIAS + L2_OFFSET] %asi |
stxa %l3, [%sp + STACK_BIAS + L3_OFFSET] %asi |
stxa %l4, [%sp + STACK_BIAS + L4_OFFSET] %asi |
stxa %l5, [%sp + STACK_BIAS + L5_OFFSET] %asi |
stxa %l6, [%sp + STACK_BIAS + L6_OFFSET] %asi |
stxa %l7, [%sp + STACK_BIAS + L7_OFFSET] %asi |
stxa %i0, [%sp + STACK_BIAS + I0_OFFSET] %asi |
stxa %i1, [%sp + STACK_BIAS + I1_OFFSET] %asi |
stxa %i2, [%sp + STACK_BIAS + I2_OFFSET] %asi |
stxa %i3, [%sp + STACK_BIAS + I3_OFFSET] %asi |
stxa %i4, [%sp + STACK_BIAS + I4_OFFSET] %asi |
stxa %i5, [%sp + STACK_BIAS + I5_OFFSET] %asi |
stxa %i6, [%sp + STACK_BIAS + I6_OFFSET] %asi |
stxa %i7, [%sp + STACK_BIAS + I7_OFFSET] %asi |
saved |
retry |
.endm |
/* |
* Macro used to spill userspace window to userspace window buffer. |
* It can be either triggered from preemptible_handler doing SAVE |
* at (TL=1) or from normal kernel code doing SAVE when OTHERWIN>0 |
* at (TL=0). |
*/ |
.macro SPILL_TO_USPACE_WINDOW_BUFFER |
stx %l0, [%g7 + L0_OFFSET] |
stx %l1, [%g7 + L1_OFFSET] |
stx %l2, [%g7 + L2_OFFSET] |
stx %l3, [%g7 + L3_OFFSET] |
stx %l4, [%g7 + L4_OFFSET] |
stx %l5, [%g7 + L5_OFFSET] |
stx %l6, [%g7 + L6_OFFSET] |
stx %l7, [%g7 + L7_OFFSET] |
stx %i0, [%g7 + I0_OFFSET] |
stx %i1, [%g7 + I1_OFFSET] |
stx %i2, [%g7 + I2_OFFSET] |
stx %i3, [%g7 + I3_OFFSET] |
stx %i4, [%g7 + I4_OFFSET] |
stx %i5, [%g7 + I5_OFFSET] |
stx %i6, [%g7 + I6_OFFSET] |
stx %i7, [%g7 + I7_OFFSET] |
add %g7, STACK_WINDOW_SAVE_AREA_SIZE, %g7 |
saved |
retry |
.endm |
/* |
* Macro used by the nucleus and the primary context 0 during normal fills. |
*/ |
.macro FILL_NORMAL_HANDLER_KERNEL |
ldx [%sp + STACK_BIAS + L0_OFFSET], %l0 |
ldx [%sp + STACK_BIAS + L1_OFFSET], %l1 |
ldx [%sp + STACK_BIAS + L2_OFFSET], %l2 |
ldx [%sp + STACK_BIAS + L3_OFFSET], %l3 |
ldx [%sp + STACK_BIAS + L4_OFFSET], %l4 |
ldx [%sp + STACK_BIAS + L5_OFFSET], %l5 |
ldx [%sp + STACK_BIAS + L6_OFFSET], %l6 |
ldx [%sp + STACK_BIAS + L7_OFFSET], %l7 |
ldx [%sp + STACK_BIAS + I0_OFFSET], %i0 |
ldx [%sp + STACK_BIAS + I1_OFFSET], %i1 |
ldx [%sp + STACK_BIAS + I2_OFFSET], %i2 |
ldx [%sp + STACK_BIAS + I3_OFFSET], %i3 |
ldx [%sp + STACK_BIAS + I4_OFFSET], %i4 |
ldx [%sp + STACK_BIAS + I5_OFFSET], %i5 |
ldx [%sp + STACK_BIAS + I6_OFFSET], %i6 |
ldx [%sp + STACK_BIAS + I7_OFFSET], %i7 |
restored |
retry |
.endm |
/* |
* Macro used by the userspace during normal fills. |
*/ |
.macro FILL_NORMAL_HANDLER_USERSPACE |
wr %g0, ASI_AIUP, %asi |
ldxa [%sp + STACK_BIAS + L0_OFFSET] %asi, %l0 |
ldxa [%sp + STACK_BIAS + L1_OFFSET] %asi, %l1 |
ldxa [%sp + STACK_BIAS + L2_OFFSET] %asi, %l2 |
ldxa [%sp + STACK_BIAS + L3_OFFSET] %asi, %l3 |
ldxa [%sp + STACK_BIAS + L4_OFFSET] %asi, %l4 |
ldxa [%sp + STACK_BIAS + L5_OFFSET] %asi, %l5 |
ldxa [%sp + STACK_BIAS + L6_OFFSET] %asi, %l6 |
ldxa [%sp + STACK_BIAS + L7_OFFSET] %asi, %l7 |
ldxa [%sp + STACK_BIAS + I0_OFFSET] %asi, %i0 |
ldxa [%sp + STACK_BIAS + I1_OFFSET] %asi, %i1 |
ldxa [%sp + STACK_BIAS + I2_OFFSET] %asi, %i2 |
ldxa [%sp + STACK_BIAS + I3_OFFSET] %asi, %i3 |
ldxa [%sp + STACK_BIAS + I4_OFFSET] %asi, %i4 |
ldxa [%sp + STACK_BIAS + I5_OFFSET] %asi, %i5 |
ldxa [%sp + STACK_BIAS + I6_OFFSET] %asi, %i6 |
ldxa [%sp + STACK_BIAS + I7_OFFSET] %asi, %i7 |
restored |
retry |
.endm |
.macro CLEAN_WINDOW_HANDLER |
rdpr %cleanwin, %l0 |
add %l0, 1, %l0 |
wrpr %l0, 0, %cleanwin |
mov %r0, %l0 |
mov %r0, %l1 |
mov %r0, %l2 |
mov %r0, %l3 |
mov %r0, %l4 |
mov %r0, %l5 |
mov %r0, %l6 |
mov %r0, %l7 |
mov %r0, %o0 |
mov %r0, %o1 |
mov %r0, %o2 |
mov %r0, %o3 |
mov %r0, %o4 |
mov %r0, %o5 |
mov %r0, %o6 |
mov %r0, %o7 |
retry |
.endm |
#endif /* __ASM__ */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/trap/syscall.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64interrupt |
* @{ |
*/ |
/** |
* @file |
* @brief |
*/ |
#ifndef KERN_sparc64_SYSCALL_TRAP_H_ |
#define KERN_sparc64_SYSCALL_TRAP_H_ |
#define TT_TRAP_INSTRUCTION_0 0x100 |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/trap/exception.h |
---|
0,0 → 1,90 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64interrupt |
* @{ |
*/ |
/** |
* @file |
*/ |
#ifndef KERN_sparc64_EXCEPTION_H_ |
#define KERN_sparc64_EXCEPTION_H_ |
#define TT_INSTRUCTION_ACCESS_EXCEPTION 0x08 |
#define TT_INSTRUCTION_ACCESS_ERROR 0x0a |
#define TT_ILLEGAL_INSTRUCTION 0x10 |
#define TT_PRIVILEGED_OPCODE 0x11 |
#define TT_UNIMPLEMENTED_LDD 0x12 |
#define TT_UNIMPLEMENTED_STD 0x13 |
#define TT_FP_DISABLED 0x20 |
#define TT_FP_EXCEPTION_IEEE_754 0x21 |
#define TT_FP_EXCEPTION_OTHER 0x22 |
#define TT_TAG_OVERFLOW 0x23 |
#define TT_DIVISION_BY_ZERO 0x28 |
#define TT_DATA_ACCESS_EXCEPTION 0x30 |
#define TT_DATA_ACCESS_ERROR 0x32 |
#define TT_MEM_ADDRESS_NOT_ALIGNED 0x34 |
#define TT_LDDF_MEM_ADDRESS_NOT_ALIGNED 0x35 |
#define TT_STDF_MEM_ADDRESS_NOT_ALIGNED 0x36 |
#define TT_PRIVILEGED_ACTION 0x37 |
#define TT_LDQF_MEM_ADDRESS_NOT_ALIGNED 0x38 |
#define TT_STQF_MEM_ADDRESS_NOT_ALIGNED 0x39 |
#ifndef __ASM__ |
#include <arch/interrupt.h> |
extern void dump_istate(istate_t *istate); |
extern void instruction_access_exception(int n, istate_t *istate); |
extern void instruction_access_error(int n, istate_t *istate); |
extern void illegal_instruction(int n, istate_t *istate); |
extern void privileged_opcode(int n, istate_t *istate); |
extern void unimplemented_LDD(int n, istate_t *istate); |
extern void unimplemented_STD(int n, istate_t *istate); |
extern void fp_disabled(int n, istate_t *istate); |
extern void fp_exception_ieee_754(int n, istate_t *istate); |
extern void fp_exception_other(int n, istate_t *istate); |
extern void tag_overflow(int n, istate_t *istate); |
extern void division_by_zero(int n, istate_t *istate); |
extern void data_access_exception(int n, istate_t *istate); |
extern void data_access_error(int n, istate_t *istate); |
extern void mem_address_not_aligned(int n, istate_t *istate); |
extern void LDDF_mem_address_not_aligned(int n, istate_t *istate); |
extern void STDF_mem_address_not_aligned(int n, istate_t *istate); |
extern void privileged_action(int n, istate_t *istate); |
extern void LDQF_mem_address_not_aligned(int n, istate_t *istate); |
extern void STQF_mem_address_not_aligned(int n, istate_t *istate); |
#endif /* !__ASM__ */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/trap/trap.h |
---|
0,0 → 1,44 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64interrupt |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_TRAP_H_ |
#define KERN_sparc64_TRAP_H_ |
extern void trap_init(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/atomic.h |
---|
0,0 → 1,141 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_ATOMIC_H_ |
#define KERN_sparc64_ATOMIC_H_ |
#include <arch/barrier.h> |
#include <arch/types.h> |
#include <preemption.h> |
/** Atomic add operation. |
* |
* Use atomic compare and swap operation to atomically add signed value. |
* |
* @param val Atomic variable. |
* @param i Signed value to be added. |
* |
* @return Value of the atomic variable as it existed before addition. |
*/ |
static inline long atomic_add(atomic_t *val, int i) |
{ |
uint64_t a, b; |
do { |
volatile uintptr_t x = (uint64_t) &val->count; |
a = *((uint64_t *) x); |
b = a + i; |
asm volatile ("casx %0, %2, %1\n" : "+m" (*((uint64_t *)x)), |
"+r" (b) : "r" (a)); |
} while (a != b); |
return a; |
} |
static inline long atomic_preinc(atomic_t *val) |
{ |
return atomic_add(val, 1) + 1; |
} |
static inline long atomic_postinc(atomic_t *val) |
{ |
return atomic_add(val, 1); |
} |
static inline long atomic_predec(atomic_t *val) |
{ |
return atomic_add(val, -1) - 1; |
} |
static inline long atomic_postdec(atomic_t *val) |
{ |
return atomic_add(val, -1); |
} |
static inline void atomic_inc(atomic_t *val) |
{ |
(void) atomic_add(val, 1); |
} |
static inline void atomic_dec(atomic_t *val) |
{ |
(void) atomic_add(val, -1); |
} |
static inline long test_and_set(atomic_t *val) |
{ |
uint64_t v = 1; |
volatile uintptr_t x = (uint64_t) &val->count; |
asm volatile ("casx %0, %2, %1\n" : "+m" (*((uint64_t *) x)), |
"+r" (v) : "r" (0)); |
return v; |
} |
static inline void atomic_lock_arch(atomic_t *val) |
{ |
uint64_t tmp1 = 1; |
uint64_t tmp2 = 0; |
volatile uintptr_t x = (uint64_t) &val->count; |
preemption_disable(); |
asm volatile ( |
"0:\n" |
"casx %0, %3, %1\n" |
"brz %1, 2f\n" |
"nop\n" |
"1:\n" |
"ldx %0, %2\n" |
"brz %2, 0b\n" |
"nop\n" |
"ba %xcc, 1b\n" |
"nop\n" |
"2:\n" |
: "+m" (*((uint64_t *) x)), "+r" (tmp1), "+r" (tmp2) : "r" (0) |
); |
/* |
* Prevent critical section code from bleeding out this way up. |
*/ |
CS_ENTER_BARRIER(); |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/drivers/sgcn.h |
---|
0,0 → 1,134 |
/* |
* Copyright (c) 2008 Pavel Rimsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_SGCN_H_ |
#define KERN_sparc64_SGCN_H_ |
#include <arch/types.h> |
#include <console/chardev.h> |
#include <proc/thread.h> |
/* number of bytes in the TOC magic, including the NULL-terminator */ |
#define TOC_MAGIC_BYTES 8 |
/* number of bytes in the TOC key, including the NULL-terminator */ |
#define TOC_KEY_SIZE 8 |
/* maximum number of entries in the SRAM table of contents */ |
#define MAX_TOC_ENTRIES 32 |
/* number of bytes in the SGCN buffer magic, including the NULL-terminator */ |
#define SGCN_MAGIC_BYTES 4 |
/** |
* Entry in the SRAM table of contents. Describes one segment of the SRAM |
* which serves a particular purpose (e.g. OBP serial console, Solaris serial |
* console, Solaris mailbox,...). |
*/ |
typedef struct { |
/** key (e.g. "OBPCONS", "SOLCONS", "SOLMBOX",...) */ |
char key[TOC_KEY_SIZE]; |
/** size of the segment in bytes */ |
uint32_t size; |
/** offset of the segment within SRAM */ |
uint32_t offset; |
} __attribute ((packed)) toc_entry_t; |
/** |
* SRAM table of contents. Describes all segments within the SRAM. |
*/ |
typedef struct { |
/** hard-wired to "TOCSRAM" */ |
char magic[TOC_MAGIC_BYTES]; |
/** we don't need this */ |
char unused[8]; |
/** TOC entries */ |
toc_entry_t keys[MAX_TOC_ENTRIES]; |
} __attribute__ ((packed)) iosram_toc_t; |
/** |
* SGCN buffer header. It is placed at the very beginning of the SGCN |
* buffer. |
*/ |
typedef struct { |
/** hard-wired to "CON" */ |
char magic[SGCN_MAGIC_BYTES]; |
/** we don't need this */ |
char unused[8]; |
/** offset within the SGCN buffer of the input buffer start */ |
uint32_t in_begin; |
/** offset within the SGCN buffer of the input buffer end */ |
uint32_t in_end; |
/** offset within the SGCN buffer of the input buffer read pointer */ |
uint32_t in_rdptr; |
/** offset within the SGCN buffer of the input buffer write pointer */ |
uint32_t in_wrptr; |
/** offset within the SGCN buffer of the output buffer start */ |
uint32_t out_begin; |
/** offset within the SGCN buffer of the output buffer end */ |
uint32_t out_end; |
/** offset within the SGCN buffer of the output buffer read pointer */ |
uint32_t out_rdptr; |
/** offset within the SGCN buffer of the output buffer write pointer */ |
uint32_t out_wrptr; |
} __attribute__ ((packed)) sgcn_buffer_header_t; |
typedef struct { |
thread_t *thread; |
indev_t *srlnin; |
} sgcn_instance_t; |
extern void sgcn_grab(void); |
extern void sgcn_release(void); |
extern sgcn_instance_t *sgcnin_init(void); |
extern void sgcnin_wire(sgcn_instance_t *, indev_t *); |
extern void sgcnout_init(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/drivers/kbd.h |
---|
0,0 → 1,46 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_KBD_H_ |
#define KERN_sparc64_KBD_H_ |
#include <arch/types.h> |
#include <genarch/ofw/ofw_tree.h> |
extern void kbd_init(ofw_tree_node_t *node); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/drivers/scr.h |
---|
0,0 → 1,57 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_SCR_H_ |
#define KERN_sparc64_SCR_H_ |
#include <arch/types.h> |
#include <genarch/ofw/ofw_tree.h> |
typedef enum { |
SCR_UNKNOWN, |
SCR_ATYFB, |
SCR_FFB, |
SCR_CGSIX, |
SCR_XVR |
} scr_type_t; |
extern scr_type_t scr_type; |
extern void scr_init(ofw_tree_node_t *node); |
extern void scr_redraw(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/drivers/pci.h |
---|
0,0 → 1,71 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_PCI_H_ |
#define KERN_sparc64_PCI_H_ |
#include <arch/types.h> |
#include <genarch/ofw/ofw_tree.h> |
#include <arch/arch.h> |
#include <arch/asm.h> |
typedef enum pci_model pci_model_t; |
typedef struct pci pci_t; |
typedef struct pci_operations pci_operations_t; |
enum pci_model { |
PCI_UNKNOWN, |
PCI_SABRE, |
PCI_PSYCHO |
}; |
struct pci_operations { |
void (* enable_interrupt)(pci_t *, int); |
void (* clear_interrupt)(pci_t *, int); |
}; |
struct pci { |
pci_model_t model; |
pci_operations_t *op; |
volatile uint64_t *reg; /**< Registers including interrupt registers. */ |
}; |
extern pci_t *pci_init(ofw_tree_node_t *); |
extern void pci_enable_interrupt(pci_t *, int); |
extern void pci_clear_interrupt(void *, int); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/drivers/fhc.h |
---|
0,0 → 1,54 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_FHC_H_ |
#define KERN_sparc64_FHC_H_ |
#include <arch/types.h> |
#include <genarch/ofw/ofw_tree.h> |
typedef struct { |
volatile uint32_t *uart_imap; |
} fhc_t; |
extern fhc_t *central_fhc; |
extern fhc_t *fhc_init(ofw_tree_node_t *); |
extern void fhc_enable_interrupt(fhc_t *, int); |
extern void fhc_clear_interrupt(void *, int); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/drivers/tick.h |
---|
0,0 → 1,46 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_TICK_H_ |
#define KERN_sparc64_TICK_H_ |
#include <arch/interrupt.h> |
extern void tick_init(void); |
extern void tick_interrupt(int n, istate_t *istate); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/drivers/fb.h |
---|
0,0 → 1,41 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_FB_H_ |
#define KERN_sparc64_FB_H_ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/memstr.h |
---|
0,0 → 1,48 |
/* |
* Copyright (c) 2005 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_MEMSTR_H_ |
#define KERN_sparc64_MEMSTR_H_ |
#define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt)) |
extern void memsetw(void *dst, size_t cnt, uint16_t x); |
extern void memsetb(void *dst, size_t cnt, uint8_t x); |
extern int memcmp(const void *a, const void *b, size_t cnt); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/boot/boot.h |
---|
0,0 → 1,95 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_BOOT_H_ |
#define KERN_sparc64_BOOT_H_ |
#define VMA 0x400000 |
#define LMA VMA |
#ifndef __ASM__ |
#ifndef __LINKER__ |
#include <config.h> |
#include <arch/types.h> |
#include <genarch/ofw/ofw_tree.h> |
#define TASKMAP_MAX_RECORDS 32 |
#define MEMMAP_MAX_RECORDS 32 |
#define BOOTINFO_TASK_NAME_BUFLEN 32 |
typedef struct { |
void * addr; |
uint32_t size; |
char name[BOOTINFO_TASK_NAME_BUFLEN]; |
} utask_t; |
typedef struct { |
uint32_t count; |
utask_t tasks[TASKMAP_MAX_RECORDS]; |
} taskmap_t; |
typedef struct { |
uintptr_t start; |
uint32_t size; |
} memzone_t; |
typedef struct { |
uint32_t total; |
uint32_t count; |
memzone_t zones[MEMMAP_MAX_RECORDS]; |
} memmap_t; |
/** Bootinfo structure. |
* |
* Must be in sync with bootinfo structure used by the boot loader. |
*/ |
typedef struct { |
uintptr_t physmem_start; |
taskmap_t taskmap; |
memmap_t memmap; |
ballocs_t ballocs; |
ofw_tree_node_t *ofw_root; |
} bootinfo_t; |
extern bootinfo_t bootinfo; |
#endif |
#endif |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/asm.h |
---|
0,0 → 1,446 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_ASM_H_ |
#define KERN_sparc64_ASM_H_ |
#include <arch/arch.h> |
#include <arch/types.h> |
#include <typedefs.h> |
#include <align.h> |
#include <arch/register.h> |
#include <config.h> |
#include <arch/stack.h> |
#include <arch/barrier.h> |
static inline void pio_write_8(ioport8_t *port, uint8_t v) |
{ |
*port = v; |
memory_barrier(); |
} |
static inline void pio_write_16(ioport16_t *port, uint16_t v) |
{ |
*port = v; |
memory_barrier(); |
} |
static inline void pio_write_32(ioport32_t *port, uint32_t v) |
{ |
*port = v; |
memory_barrier(); |
} |
static inline uint8_t pio_read_8(ioport8_t *port) |
{ |
uint8_t rv; |
rv = *port; |
memory_barrier(); |
return rv; |
} |
static inline uint16_t pio_read_16(ioport16_t *port) |
{ |
uint16_t rv; |
rv = *port; |
memory_barrier(); |
return rv; |
} |
static inline uint32_t pio_read_32(ioport32_t *port) |
{ |
uint32_t rv; |
rv = *port; |
memory_barrier(); |
return rv; |
} |
/** Read Processor State register. |
* |
* @return Value of PSTATE register. |
*/ |
static inline uint64_t pstate_read(void) |
{ |
uint64_t v; |
asm volatile ("rdpr %%pstate, %0\n" : "=r" (v)); |
return v; |
} |
/** Write Processor State register. |
* |
* @param v New value of PSTATE register. |
*/ |
static inline void pstate_write(uint64_t v) |
{ |
asm volatile ("wrpr %0, %1, %%pstate\n" : : "r" (v), "i" (0)); |
} |
/** Read TICK_compare Register. |
* |
* @return Value of TICK_comapre register. |
*/ |
static inline uint64_t tick_compare_read(void) |
{ |
uint64_t v; |
asm volatile ("rd %%tick_cmpr, %0\n" : "=r" (v)); |
return v; |
} |
/** Write TICK_compare Register. |
* |
* @param v New value of TICK_comapre register. |
*/ |
static inline void tick_compare_write(uint64_t v) |
{ |
asm volatile ("wr %0, %1, %%tick_cmpr\n" : : "r" (v), "i" (0)); |
} |
/** Read STICK_compare Register. |
* |
* @return Value of STICK_compare register. |
*/ |
static inline uint64_t stick_compare_read(void) |
{ |
uint64_t v; |
asm volatile ("rd %%asr25, %0\n" : "=r" (v)); |
return v; |
} |
/** Write STICK_compare Register. |
* |
* @param v New value of STICK_comapre register. |
*/ |
static inline void stick_compare_write(uint64_t v) |
{ |
asm volatile ("wr %0, %1, %%asr25\n" : : "r" (v), "i" (0)); |
} |
/** Read TICK Register. |
* |
* @return Value of TICK register. |
*/ |
static inline uint64_t tick_read(void) |
{ |
uint64_t v; |
asm volatile ("rdpr %%tick, %0\n" : "=r" (v)); |
return v; |
} |
/** Write TICK Register. |
* |
* @param v New value of TICK register. |
*/ |
static inline void tick_write(uint64_t v) |
{ |
asm volatile ("wrpr %0, %1, %%tick\n" : : "r" (v), "i" (0)); |
} |
/** Read FPRS Register. |
* |
* @return Value of FPRS register. |
*/ |
static inline uint64_t fprs_read(void) |
{ |
uint64_t v; |
asm volatile ("rd %%fprs, %0\n" : "=r" (v)); |
return v; |
} |
/** Write FPRS Register. |
* |
* @param v New value of FPRS register. |
*/ |
static inline void fprs_write(uint64_t v) |
{ |
asm volatile ("wr %0, %1, %%fprs\n" : : "r" (v), "i" (0)); |
} |
/** Read SOFTINT Register. |
* |
* @return Value of SOFTINT register. |
*/ |
static inline uint64_t softint_read(void) |
{ |
uint64_t v; |
asm volatile ("rd %%softint, %0\n" : "=r" (v)); |
return v; |
} |
/** Write SOFTINT Register. |
* |
* @param v New value of SOFTINT register. |
*/ |
static inline void softint_write(uint64_t v) |
{ |
asm volatile ("wr %0, %1, %%softint\n" : : "r" (v), "i" (0)); |
} |
/** Write CLEAR_SOFTINT Register. |
* |
* Bits set in CLEAR_SOFTINT register will be cleared in SOFTINT register. |
* |
* @param v New value of CLEAR_SOFTINT register. |
*/ |
static inline void clear_softint_write(uint64_t v) |
{ |
asm volatile ("wr %0, %1, %%clear_softint\n" : : "r" (v), "i" (0)); |
} |
/** Write SET_SOFTINT Register. |
* |
* Bits set in SET_SOFTINT register will be set in SOFTINT register. |
* |
* @param v New value of SET_SOFTINT register. |
*/ |
static inline void set_softint_write(uint64_t v) |
{ |
asm volatile ("wr %0, %1, %%set_softint\n" : : "r" (v), "i" (0)); |
} |
/** Enable interrupts. |
* |
* Enable interrupts and return previous |
* value of IPL. |
* |
* @return Old interrupt priority level. |
*/ |
static inline ipl_t interrupts_enable(void) { |
pstate_reg_t pstate; |
uint64_t value; |
value = pstate_read(); |
pstate.value = value; |
pstate.ie = true; |
pstate_write(pstate.value); |
return (ipl_t) value; |
} |
/** Disable interrupts. |
* |
* Disable interrupts and return previous |
* value of IPL. |
* |
* @return Old interrupt priority level. |
*/ |
static inline ipl_t interrupts_disable(void) { |
pstate_reg_t pstate; |
uint64_t value; |
value = pstate_read(); |
pstate.value = value; |
pstate.ie = false; |
pstate_write(pstate.value); |
return (ipl_t) value; |
} |
/** Restore interrupt priority level. |
* |
* Restore IPL. |
* |
* @param ipl Saved interrupt priority level. |
*/ |
static inline void interrupts_restore(ipl_t ipl) { |
pstate_reg_t pstate; |
pstate.value = pstate_read(); |
pstate.ie = ((pstate_reg_t) ipl).ie; |
pstate_write(pstate.value); |
} |
/** Return interrupt priority level. |
* |
* Return IPL. |
* |
* @return Current interrupt priority level. |
*/ |
static inline ipl_t interrupts_read(void) { |
return (ipl_t) pstate_read(); |
} |
/** Return base address of current stack. |
* |
* Return the base address of the current stack. |
* The stack is assumed to be STACK_SIZE bytes long. |
* The stack must start on page boundary. |
*/ |
static inline uintptr_t get_stack_base(void) |
{ |
uintptr_t unbiased_sp; |
asm volatile ("add %%sp, %1, %0\n" : "=r" (unbiased_sp) : "i" (STACK_BIAS)); |
return ALIGN_DOWN(unbiased_sp, STACK_SIZE); |
} |
/** Read Version Register. |
* |
* @return Value of VER register. |
*/ |
static inline uint64_t ver_read(void) |
{ |
uint64_t v; |
asm volatile ("rdpr %%ver, %0\n" : "=r" (v)); |
return v; |
} |
/** Read Trap Program Counter register. |
* |
* @return Current value in TPC. |
*/ |
static inline uint64_t tpc_read(void) |
{ |
uint64_t v; |
asm volatile ("rdpr %%tpc, %0\n" : "=r" (v)); |
return v; |
} |
/** Read Trap Level register. |
* |
* @return Current value in TL. |
*/ |
static inline uint64_t tl_read(void) |
{ |
uint64_t v; |
asm volatile ("rdpr %%tl, %0\n" : "=r" (v)); |
return v; |
} |
/** Read Trap Base Address register. |
* |
* @return Current value in TBA. |
*/ |
static inline uint64_t tba_read(void) |
{ |
uint64_t v; |
asm volatile ("rdpr %%tba, %0\n" : "=r" (v)); |
return v; |
} |
/** Write Trap Base Address register. |
* |
* @param v New value of TBA. |
*/ |
static inline void tba_write(uint64_t v) |
{ |
asm volatile ("wrpr %0, %1, %%tba\n" : : "r" (v), "i" (0)); |
} |
/** Load uint64_t from alternate space. |
* |
* @param asi ASI determining the alternate space. |
* @param va Virtual address within the ASI. |
* |
* @return Value read from the virtual address in the specified address space. |
*/ |
static inline uint64_t asi_u64_read(asi_t asi, uintptr_t va) |
{ |
uint64_t v; |
asm volatile ("ldxa [%1] %2, %0\n" : "=r" (v) : "r" (va), "i" ((unsigned) asi)); |
return v; |
} |
/** Store uint64_t to alternate space. |
* |
* @param asi ASI determining the alternate space. |
* @param va Virtual address within the ASI. |
* @param v Value to be written. |
*/ |
static inline void asi_u64_write(asi_t asi, uintptr_t va, uint64_t v) |
{ |
asm volatile ("stxa %0, [%1] %2\n" : : "r" (v), "r" (va), "i" ((unsigned) asi) : "memory"); |
} |
/** Flush all valid register windows to memory. */ |
static inline void flushw(void) |
{ |
asm volatile ("flushw\n"); |
} |
/** Switch to nucleus by setting TL to 1. */ |
static inline void nucleus_enter(void) |
{ |
asm volatile ("wrpr %g0, 1, %tl\n"); |
} |
/** Switch from nucleus by setting TL to 0. */ |
static inline void nucleus_leave(void) |
{ |
asm volatile ("wrpr %g0, %g0, %tl\n"); |
} |
extern void cpu_halt(void); |
extern void cpu_sleep(void); |
extern void asm_delay_loop(const uint32_t usec); |
extern uint64_t read_from_ag_g7(void); |
extern void write_to_ag_g6(uint64_t val); |
extern void write_to_ag_g7(uint64_t val); |
extern void write_to_ig_g6(uint64_t val); |
extern void switch_to_userspace(uint64_t pc, uint64_t sp, uint64_t uarg); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/arch.h |
---|
0,0 → 1,57 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** |
* @file |
* @brief Various sparc64-specific macros. |
*/ |
#ifndef KERN_sparc64_ARCH_H_ |
#define KERN_sparc64_ARCH_H_ |
#define ASI_AIUP 0x10 /** Access to primary context with user privileges. */ |
#define ASI_AIUS 0x11 /** Access to secondary context with user privileges. */ |
#define ASI_NUCLEUS_QUAD_LDD 0x24 /** ASI for 16-byte atomic loads. */ |
#define ASI_DCACHE_TAG 0x47 /** ASI D-Cache Tag. */ |
#define ASI_ICBUS_CONFIG 0x4a /** ASI of the UPA_CONFIG/FIREPLANE_CONFIG register. */ |
#define NWINDOWS 8 /** Number of register window sets. */ |
#ifndef __ASM__ |
extern void arch_pre_main(void); |
#endif /* __ASM__ */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/cpu_node.h |
---|
0,0 → 1,59 |
/* |
* Copyright (c) 2005 Pavel Rimsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_CPU_NODE_H_ |
#define KERN_sparc64_CPU_NODE_H_ |
#include <genarch/ofw/ofw_tree.h> |
/** Finds the parent node of all the CPU nodes (nodes named "cpu" or "cmp"). |
* |
* Depending on the machine type (and possibly the OFW version), CPUs can be |
* at "/" or at "/ssm@0,0". |
*/ |
static inline ofw_tree_node_t *cpus_parent(void) |
{ |
ofw_tree_node_t *parent; |
parent = ofw_tree_find_child(ofw_tree_lookup("/"), "ssm@0,0"); |
if (parent == NULL) |
parent = ofw_tree_lookup("/"); |
return parent; |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/cpu_family.h |
---|
0,0 → 1,83 |
/* |
* Copyright (c) 2008 Pavel Rimsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_CPU_FAMILY_H_ |
#define KERN_sparc64_CPU_FAMILY_H_ |
#include <arch.h> |
#include <cpu.h> |
#include <arch/register.h> |
#include <arch/asm.h> |
/** |
* Find the processor (sub)family. |
* |
* @return true iff the CPU belongs to the US family |
*/ |
static inline bool is_us(void) |
{ |
int impl = ((ver_reg_t) ver_read()).impl; |
return (impl == IMPL_ULTRASPARCI) || (impl == IMPL_ULTRASPARCII) || |
(impl == IMPL_ULTRASPARCII_I) || (impl == IMPL_ULTRASPARCII_E); |
} |
/** |
* Find the processor (sub)family. |
* |
* @return true iff the CPU belongs to the US-III subfamily |
*/ |
static inline bool is_us_iii(void) |
{ |
int impl = ((ver_reg_t) ver_read()).impl; |
return (impl == IMPL_ULTRASPARCIII) || |
(impl == IMPL_ULTRASPARCIII_PLUS) || |
(impl == IMPL_ULTRASPARCIII_I); |
} |
/** |
* Find the processor (sub)family. |
* |
* @return true iff the CPU belongs to the US-IV subfamily |
*/ |
static inline bool is_us_iv(void) |
{ |
int impl = ((ver_reg_t) ver_read()).impl; |
return (impl == IMPL_ULTRASPARCIV) || (impl == IMPL_ULTRASPARCIV_PLUS); |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/fpu_context.h |
---|
0,0 → 1,50 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_FPU_CONTEXT_H_ |
#define KERN_sparc64_FPU_CONTEXT_H_ |
#include <arch/types.h> |
#define FPU_CONTEXT_ALIGN 8 |
typedef struct { |
uint64_t d[32]; |
uint64_t fsr; |
} fpu_context_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/barrier.h |
---|
0,0 → 1,121 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_BARRIER_H_ |
#define KERN_sparc64_BARRIER_H_ |
/* |
* Our critical section barriers are prepared for the weakest RMO memory model. |
*/ |
#define CS_ENTER_BARRIER() \ |
asm volatile ( \ |
"membar #LoadLoad | #LoadStore\n" \ |
::: "memory" \ |
) |
#define CS_LEAVE_BARRIER() \ |
asm volatile ( \ |
"membar #StoreStore\n" \ |
"membar #LoadStore\n" \ |
::: "memory" \ |
) |
#define memory_barrier() \ |
asm volatile ("membar #LoadLoad | #StoreStore\n" ::: "memory") |
#define read_barrier() \ |
asm volatile ("membar #LoadLoad\n" ::: "memory") |
#define write_barrier() \ |
asm volatile ("membar #StoreStore\n" ::: "memory") |
#define flush(a) \ |
asm volatile ("flush %0\n" :: "r" ((a)) : "memory") |
/** Flush Instruction pipeline. */ |
static inline void flush_pipeline(void) |
{ |
/* |
* The FLUSH instruction takes address parameter. |
* As such, it may trap if the address is not found in DTLB. |
* |
* The entire kernel text is mapped by a locked ITLB and |
* DTLB entries. Therefore, when this function is called, |
* the %o7 register will always be in the range mapped by |
* DTLB. |
*/ |
asm volatile ("flush %o7\n"); |
} |
/** Memory Barrier instruction. */ |
static inline void membar(void) |
{ |
asm volatile ("membar #Sync\n"); |
} |
#if defined (US) |
#define smc_coherence(a) \ |
{ \ |
write_barrier(); \ |
flush((a)); \ |
} |
#define FLUSH_INVAL_MIN 4 |
#define smc_coherence_block(a, l) \ |
{ \ |
unsigned long i; \ |
write_barrier(); \ |
for (i = 0; i < (l); i += FLUSH_INVAL_MIN) \ |
flush((void *)(a) + i); \ |
} |
#elif defined (US3) |
#define smc_coherence(a) \ |
{ \ |
write_barrier(); \ |
flush_pipeline(); \ |
} |
#define smc_coherence_block(a, l) \ |
{ \ |
write_barrier(); \ |
flush_pipeline(); \ |
} |
#endif /* defined(US3) */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/regdef.h |
---|
0,0 → 1,67 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_REGDEF_H_ |
#define KERN_sparc64_REGDEF_H_ |
#define PSTATE_IE_BIT (1 << 1) |
#define PSTATE_AM_BIT (1 << 3) |
#define PSTATE_AG_BIT (1 << 0) |
#define PSTATE_IG_BIT (1 << 11) |
#define PSTATE_MG_BIT (1 << 10) |
#define PSTATE_PRIV_BIT (1 << 2) |
#define PSTATE_PEF_BIT (1 << 4) |
#define TSTATE_PSTATE_SHIFT 8 |
#define TSTATE_PRIV_BIT (PSTATE_PRIV_BIT << TSTATE_PSTATE_SHIFT) |
#define TSTATE_IE_BIT (PSTATE_IE_BIT << TSTATE_PSTATE_SHIFT) |
#define TSTATE_PEF_BIT (PSTATE_PEF_BIT << TSTATE_PSTATE_SHIFT) |
#define TSTATE_CWP_MASK 0x1f |
#define WSTATE_NORMAL(n) (n) |
#define WSTATE_OTHER(n) ((n) << 3) |
/* |
* The following definitions concern the UPA_CONFIG register on US and the |
* FIREPLANE_CONFIG register on US3. |
*/ |
#define ICBUS_CONFIG_MID_SHIFT 17 |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/register.h |
---|
0,0 → 1,123 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_REGISTER_H_ |
#define KERN_sparc64_REGISTER_H_ |
#include <arch/regdef.h> |
#include <arch/types.h> |
/** Version Register. */ |
union ver_reg { |
uint64_t value; |
struct { |
uint16_t manuf; /**< Manufacturer code. */ |
uint16_t impl; /**< Implementation code. */ |
uint8_t mask; /**< Mask set revision. */ |
unsigned : 8; |
uint8_t maxtl; |
unsigned : 3; |
unsigned maxwin : 5; |
} __attribute__ ((packed)); |
}; |
typedef union ver_reg ver_reg_t; |
/** Processor State Register. */ |
union pstate_reg { |
uint64_t value; |
struct { |
uint64_t : 52; |
unsigned ig : 1; /**< Interrupt Globals. */ |
unsigned mg : 1; /**< MMU Globals. */ |
unsigned cle : 1; /**< Current Little Endian. */ |
unsigned tle : 1; /**< Trap Little Endian. */ |
unsigned mm : 2; /**< Memory Model. */ |
unsigned red : 1; /**< RED state. */ |
unsigned pef : 1; /**< Enable floating-point. */ |
unsigned am : 1; /**< 32-bit Address Mask. */ |
unsigned priv : 1; /**< Privileged Mode. */ |
unsigned ie : 1; /**< Interrupt Enable. */ |
unsigned ag : 1; /**< Alternate Globals*/ |
} __attribute__ ((packed)); |
}; |
typedef union pstate_reg pstate_reg_t; |
/** TICK Register. */ |
union tick_reg { |
uint64_t value; |
struct { |
unsigned npt : 1; /**< Non-privileged Trap enable. */ |
uint64_t counter : 63; /**< Elapsed CPU clck cycle counter. */ |
} __attribute__ ((packed)); |
}; |
typedef union tick_reg tick_reg_t; |
/** TICK_compare Register. */ |
union tick_compare_reg { |
uint64_t value; |
struct { |
unsigned int_dis : 1; /**< TICK_INT interrupt disabled flag. */ |
uint64_t tick_cmpr : 63; /**< Compare value for TICK interrupts. */ |
} __attribute__ ((packed)); |
}; |
typedef union tick_compare_reg tick_compare_reg_t; |
/** SOFTINT Register. */ |
union softint_reg { |
uint64_t value; |
struct { |
uint64_t : 47; |
unsigned stick_int : 1; |
unsigned int_level : 15; |
unsigned tick_int : 1; |
} __attribute__ ((packed)); |
}; |
typedef union softint_reg softint_reg_t; |
/** Floating-point Registers State Register. */ |
union fprs_reg { |
uint64_t value; |
struct { |
uint64_t : 61; |
unsigned fef : 1; |
unsigned du : 1; |
unsigned dl : 1; |
} __attribute__ ((packed)); |
}; |
typedef union fprs_reg fprs_reg_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/cpu.h |
---|
0,0 → 1,99 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_CPU_H_ |
#define KERN_sparc64_CPU_H_ |
#define MANUF_FUJITSU 0x04 |
#define MANUF_ULTRASPARC 0x17 /**< UltraSPARC I, UltraSPARC II */ |
#define MANUF_SUN 0x3e |
#define IMPL_ULTRASPARCI 0x10 |
#define IMPL_ULTRASPARCII 0x11 |
#define IMPL_ULTRASPARCII_I 0x12 |
#define IMPL_ULTRASPARCII_E 0x13 |
#define IMPL_ULTRASPARCIII 0x14 |
#define IMPL_ULTRASPARCIII_PLUS 0x15 |
#define IMPL_ULTRASPARCIII_I 0x16 |
#define IMPL_ULTRASPARCIV 0x18 |
#define IMPL_ULTRASPARCIV_PLUS 0x19 |
#define IMPL_SPARC64V 0x5 |
#ifndef __ASM__ |
#include <arch/types.h> |
#include <typedefs.h> |
#include <arch/register.h> |
#include <arch/regdef.h> |
#include <arch/asm.h> |
#ifdef CONFIG_SMP |
#include <arch/mm/cache.h> |
#endif |
typedef struct { |
uint32_t mid; /**< Processor ID as read from |
UPA_CONFIG/FIREPLANE_CONFIG. */ |
ver_reg_t ver; |
uint32_t clock_frequency; /**< Processor frequency in Hz. */ |
uint64_t next_tick_cmpr; /**< Next clock interrupt should be |
generated when the TICK register |
matches this value. */ |
} cpu_arch_t; |
/** |
* Reads the module ID (agent ID/CPUID) of the current CPU. |
*/ |
static inline uint32_t read_mid(void) |
{ |
uint64_t icbus_config = asi_u64_read(ASI_ICBUS_CONFIG, 0); |
icbus_config = icbus_config >> ICBUS_CONFIG_MID_SHIFT; |
#if defined (US) |
return icbus_config & 0x1f; |
#elif defined (US3) |
if (((ver_reg_t) ver_read()).impl == IMPL_ULTRASPARCIII_I) |
return icbus_config & 0x1f; |
else |
return icbus_config & 0x3ff; |
#endif |
} |
#endif |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/context_offset.h |
---|
0,0 → 1,107 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef KERN_sparc64_CONTEXT_OFFSET_H_ |
#define KERN_sparc64_CONTEXT_OFFSET_H_ |
#define OFFSET_SP 0x0 |
#define OFFSET_PC 0x8 |
#define OFFSET_I0 0x10 |
#define OFFSET_I1 0x18 |
#define OFFSET_I2 0x20 |
#define OFFSET_I3 0x28 |
#define OFFSET_I4 0x30 |
#define OFFSET_I5 0x38 |
#define OFFSET_FP 0x40 |
#define OFFSET_I7 0x48 |
#define OFFSET_L0 0x50 |
#define OFFSET_L1 0x58 |
#define OFFSET_L2 0x60 |
#define OFFSET_L3 0x68 |
#define OFFSET_L4 0x70 |
#define OFFSET_L5 0x78 |
#define OFFSET_L6 0x80 |
#define OFFSET_L7 0x88 |
#ifndef KERNEL |
# define OFFSET_TP 0x90 |
#endif |
#ifdef __ASM__ |
.macro CONTEXT_SAVE_ARCH_CORE ctx:req |
stx %sp, [\ctx + OFFSET_SP] |
stx %o7, [\ctx + OFFSET_PC] |
stx %i0, [\ctx + OFFSET_I0] |
stx %i1, [\ctx + OFFSET_I1] |
stx %i2, [\ctx + OFFSET_I2] |
stx %i3, [\ctx + OFFSET_I3] |
stx %i4, [\ctx + OFFSET_I4] |
stx %i5, [\ctx + OFFSET_I5] |
stx %fp, [\ctx + OFFSET_FP] |
stx %i7, [\ctx + OFFSET_I7] |
stx %l0, [\ctx + OFFSET_L0] |
stx %l1, [\ctx + OFFSET_L1] |
stx %l2, [\ctx + OFFSET_L2] |
stx %l3, [\ctx + OFFSET_L3] |
stx %l4, [\ctx + OFFSET_L4] |
stx %l5, [\ctx + OFFSET_L5] |
stx %l6, [\ctx + OFFSET_L6] |
stx %l7, [\ctx + OFFSET_L7] |
#ifndef KERNEL |
stx %g7, [\ctx + OFFSET_TP] |
#endif |
.endm |
.macro CONTEXT_RESTORE_ARCH_CORE ctx:req |
ldx [\ctx + OFFSET_SP], %sp |
ldx [\ctx + OFFSET_PC], %o7 |
ldx [\ctx + OFFSET_I0], %i0 |
ldx [\ctx + OFFSET_I1], %i1 |
ldx [\ctx + OFFSET_I2], %i2 |
ldx [\ctx + OFFSET_I3], %i3 |
ldx [\ctx + OFFSET_I4], %i4 |
ldx [\ctx + OFFSET_I5], %i5 |
ldx [\ctx + OFFSET_FP], %fp |
ldx [\ctx + OFFSET_I7], %i7 |
ldx [\ctx + OFFSET_L0], %l0 |
ldx [\ctx + OFFSET_L1], %l1 |
ldx [\ctx + OFFSET_L2], %l2 |
ldx [\ctx + OFFSET_L3], %l3 |
ldx [\ctx + OFFSET_L4], %l4 |
ldx [\ctx + OFFSET_L5], %l5 |
ldx [\ctx + OFFSET_L6], %l6 |
ldx [\ctx + OFFSET_L7], %l7 |
#ifndef KERNEL |
ldx [\ctx + OFFSET_TP], %g7 |
#endif |
.endm |
#endif /* __ASM__ */ |
#endif |
/branches/arm/kernel/arch/sparc64/include/stack.h |
---|
0,0 → 1,72 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_STACK_H_ |
#define KERN_sparc64_STACK_H_ |
#define STACK_ITEM_SIZE 8 |
/** According to SPARC Compliance Definition, every stack frame is 16-byte aligned. */ |
#define STACK_ALIGNMENT 16 |
/** |
* 16-extended-word save area for %i[0-7] and %l[0-7] registers. |
*/ |
#define STACK_WINDOW_SAVE_AREA_SIZE (16 * STACK_ITEM_SIZE) |
/** |
* Six extended words for first six arguments. |
*/ |
#define STACK_ARG_SAVE_AREA_SIZE (6 * STACK_ITEM_SIZE) |
/** |
* By convention, the actual top of the stack is %sp + STACK_BIAS. |
*/ |
#define STACK_BIAS 2047 |
/* |
* Offsets of arguments on stack. |
*/ |
#define STACK_ARG0 0 |
#define STACK_ARG1 8 |
#define STACK_ARG2 16 |
#define STACK_ARG3 24 |
#define STACK_ARG4 32 |
#define STACK_ARG5 40 |
#define STACK_ARG6 48 |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/interrupt.h |
---|
0,0 → 1,76 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64interrupt sparc64 |
* @ingroup interrupt |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_INTERRUPT_H_ |
#define KERN_sparc64_INTERRUPT_H_ |
#include <arch/types.h> |
#include <arch/regdef.h> |
#define IVT_ITEMS 15 |
#define IVT_FIRST 1 |
/* This needs to be defined for inter-architecture API portability. */ |
#define VECTOR_TLB_SHOOTDOWN_IPI 0 |
enum { |
IPI_TLB_SHOOTDOWN = VECTOR_TLB_SHOOTDOWN_IPI |
}; |
typedef struct { |
uint64_t tnpc; |
uint64_t tpc; |
uint64_t tstate; |
} istate_t; |
static inline void istate_set_retaddr(istate_t *istate, uintptr_t retaddr) |
{ |
istate->tpc = retaddr; |
} |
static inline int istate_from_uspace(istate_t *istate) |
{ |
return !(istate->tstate & TSTATE_PRIV_BIT); |
} |
static inline unative_t istate_get_pc(istate_t *istate) |
{ |
return istate->tpc; |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/sparc64.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_SPARC64_H_ |
#define KERN_sparc64_SPARC64_H_ |
#include <interrupt.h> |
extern void interrupt_register(int n, const char *name, iroutine f); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/cycle.h |
---|
0,0 → 1,48 |
/* |
* Copyright (c) 2006 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_CYCLE_H_ |
#define KERN_sparc64_CYCLE_H_ |
#include <arch/asm.h> |
static inline uint64_t get_cycle(void) |
{ |
return tick_read(); |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/console.h |
---|
0,0 → 1,44 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_CONSOLE_H_ |
#define KERN_sparc64_CONSOLE_H_ |
extern void kkbdpoll(void *arg); |
extern void standalone_sparc64_console_init(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/elf.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2006 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_ELF_H_ |
#define KERN_sparc64_ELF_H_ |
#define ELF_MACHINE EM_SPARCV9 |
#define ELF_DATA_ENCODING ELFDATA2MSB |
#define ELF_CLASS ELFCLASS64 |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/arg.h |
---|
0,0 → 1,43 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_ARG_H_ |
#define KERN_sparc64_ARG_H_ |
#include <stdarg.h> |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/proc/task.h |
---|
0,0 → 1,47 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64proc |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_TASK_H_ |
#define KERN_sparc64_TASK_H_ |
typedef struct { |
} task_arch_t; |
#define task_create_arch(t) |
#define task_destroy_arch(t) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/proc/thread.h |
---|
0,0 → 1,49 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64proc |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_THREAD_H_ |
#define KERN_sparc64_THREAD_H_ |
#include <arch/types.h> |
#include <arch/arch.h> |
typedef struct { |
/** Buffer for register windows with userspace content. */ |
uint8_t *uspace_window_buffer; |
} thread_arch_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/faddr.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_FADDR_H_ |
#define KERN_sparc64_FADDR_H_ |
#include <arch/types.h> |
#define FADDR(fptr) ((uintptr_t) (fptr)) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/include/debug.h |
---|
0,0 → 1,41 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sparc64debug |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_sparc64_DEBUG_H_ |
#define KERN_sparc64_DEBUG_H_ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/sparc64/Makefile.inc |
---|
0,0 → 1,97 |
# |
# Copyright (c) 2005 Martin Decky |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
## Toolchain configuration |
# |
BFD_NAME = elf64-sparc |
BFD_ARCH = sparc |
BFD = binary |
TARGET = sparc64-linux-gnu |
TOOLCHAIN_DIR = $(CROSS_PREFIX)/sparc64 |
GCC_CFLAGS += -m64 -mcpu=ultrasparc |
SUNCC_CFLAGS += -m64 -xarch=sparc -xregs=appl,no%float |
LFLAGS += -no-check-sections -N |
BITS = 64 |
ENDIANESS = BE |
ifeq ($(PROCESSOR),us) |
DEFS += -DUS |
endif |
ifeq ($(PROCESSOR),us3) |
DEFS += -DUS3 |
endif |
ARCH_SOURCES = \ |
arch/$(KARCH)/src/cpu/cpu.c \ |
arch/$(KARCH)/src/asm.S \ |
arch/$(KARCH)/src/panic.S \ |
arch/$(KARCH)/src/console.c \ |
arch/$(KARCH)/src/context.S \ |
arch/$(KARCH)/src/fpu_context.c \ |
arch/$(KARCH)/src/dummy.s \ |
arch/$(KARCH)/src/mm/as.c \ |
arch/$(KARCH)/src/mm/cache.S \ |
arch/$(KARCH)/src/mm/frame.c \ |
arch/$(KARCH)/src/mm/page.c \ |
arch/$(KARCH)/src/mm/tlb.c \ |
arch/$(KARCH)/src/sparc64.c \ |
arch/$(KARCH)/src/start.S \ |
arch/$(KARCH)/src/proc/scheduler.c \ |
arch/$(KARCH)/src/proc/thread.c \ |
arch/$(KARCH)/src/trap/mmu.S \ |
arch/$(KARCH)/src/trap/trap_table.S \ |
arch/$(KARCH)/src/trap/trap.c \ |
arch/$(KARCH)/src/trap/exception.c \ |
arch/$(KARCH)/src/trap/interrupt.c \ |
arch/$(KARCH)/src/ddi/ddi.c \ |
arch/$(KARCH)/src/drivers/tick.c \ |
arch/$(KARCH)/src/drivers/kbd.c \ |
arch/$(KARCH)/src/drivers/sgcn.c \ |
arch/$(KARCH)/src/drivers/pci.c \ |
arch/$(KARCH)/src/drivers/fhc.c |
ifeq ($(CONFIG_FB),y) |
ARCH_SOURCES += \ |
arch/$(KARCH)/src/drivers/scr.c |
endif |
ifeq ($(CONFIG_SMP),y) |
ARCH_SOURCES += \ |
arch/$(KARCH)/src/smp/ipi.c \ |
arch/$(KARCH)/src/smp/smp.c |
endif |
ifeq ($(CONFIG_TSB),y) |
ARCH_SOURCES += \ |
arch/$(KARCH)/src/mm/tsb.c |
endif |
/branches/arm/kernel/arch/sparc64/_link.ld.in |
---|
0,0 → 1,48 |
/** SPARC64 linker script |
* |
* It is ELF format, but its only section looks like this: |
* kernel text |
* kernel data |
* |
*/ |
#include <arch/boot/boot.h> |
ENTRY(kernel_image_start) |
SECTIONS { |
.image VMA: AT (LMA) { |
ktext_start = .; |
*(K_TEXT_START) |
*(.text); |
ktext_end = .; |
kdata_start = .; |
*(K_DATA_START) |
*(.rodata); |
*(.rodata.*); |
*(.data); /* initialized data */ |
*(.sdata); |
*(.sdata2); |
*(.sbss); |
. = ALIGN(8); |
hardcoded_ktext_size = .; |
QUAD(ktext_end - ktext_start); |
hardcoded_kdata_size = .; |
QUAD(kdata_end - kdata_start); |
hardcoded_load_address = .; |
QUAD(VMA); |
*(.bss); /* uninitialized static variables */ |
*(COMMON); /* global variables */ |
symbol_table = .; |
*(symtab.*); /* Symbol table, must be LAST symbol!*/ |
kdata_end = .; |
} |
/DISCARD/ : { |
*(*); |
} |
} |
/branches/arm/kernel/arch/mips32/include/context_offset.h |
---|
0,0 → 1,209 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef KERN_mips32_CONTEXT_OFFSET_H_ |
#define KERN_mips32_CONTEXT_OFFSET_H_ |
#define OFFSET_SP 0x0 |
#define OFFSET_PC 0x4 |
#define OFFSET_S0 0x8 |
#define OFFSET_S1 0xc |
#define OFFSET_S2 0x10 |
#define OFFSET_S3 0x14 |
#define OFFSET_S4 0x18 |
#define OFFSET_S5 0x1c |
#define OFFSET_S6 0x20 |
#define OFFSET_S7 0x24 |
#define OFFSET_S8 0x28 |
#define OFFSET_GP 0x2c |
#ifdef KERNEL |
# define OFFSET_IPL 0x30 |
#else |
# define OFFSET_TLS 0x30 |
# define OFFSET_F20 0x34 |
# define OFFSET_F21 0x38 |
# define OFFSET_F22 0x3c |
# define OFFSET_F23 0x40 |
# define OFFSET_F24 0x44 |
# define OFFSET_F25 0x48 |
# define OFFSET_F26 0x4c |
# define OFFSET_F27 0x50 |
# define OFFSET_F28 0x54 |
# define OFFSET_F29 0x58 |
# define OFFSET_F30 0x5c |
#endif /* KERNEL */ |
/* istate_t */ |
#define EOFFSET_AT 0x0 |
#define EOFFSET_V0 0x4 |
#define EOFFSET_V1 0x8 |
#define EOFFSET_A0 0xc |
#define EOFFSET_A1 0x10 |
#define EOFFSET_A2 0x14 |
#define EOFFSET_A3 0x18 |
#define EOFFSET_T0 0x1c |
#define EOFFSET_T1 0x20 |
#define EOFFSET_T2 0x24 |
#define EOFFSET_T3 0x28 |
#define EOFFSET_T4 0x2c |
#define EOFFSET_T5 0x30 |
#define EOFFSET_T6 0x34 |
#define EOFFSET_T7 0x38 |
#define EOFFSET_T8 0x3c |
#define EOFFSET_T9 0x40 |
#define EOFFSET_GP 0x44 |
#define EOFFSET_SP 0x48 |
#define EOFFSET_RA 0x4c |
#define EOFFSET_LO 0x50 |
#define EOFFSET_HI 0x54 |
#define EOFFSET_STATUS 0x58 |
#define EOFFSET_EPC 0x5c |
#define EOFFSET_K1 0x60 |
#define REGISTER_SPACE 104 /* respect stack alignment */ |
#ifdef __ASM__ |
#include <arch/asm/regname.h> |
# ctx: address of the structure with saved context |
.macro CONTEXT_SAVE_ARCH_CORE ctx:req |
sw $s0,OFFSET_S0(\ctx) |
sw $s1,OFFSET_S1(\ctx) |
sw $s2,OFFSET_S2(\ctx) |
sw $s3,OFFSET_S3(\ctx) |
sw $s4,OFFSET_S4(\ctx) |
sw $s5,OFFSET_S5(\ctx) |
sw $s6,OFFSET_S6(\ctx) |
sw $s7,OFFSET_S7(\ctx) |
sw $s8,OFFSET_S8(\ctx) |
sw $gp,OFFSET_GP(\ctx) |
#ifndef KERNEL |
sw $k1,OFFSET_TLS(\ctx) |
#ifdef CONFIG_FPU |
mfc1 $t0,$20 |
sw $t0, OFFSET_F20(\ctx) |
mfc1 $t0,$21 |
sw $t0, OFFSET_F21(\ctx) |
mfc1 $t0,$22 |
sw $t0, OFFSET_F22(\ctx) |
mfc1 $t0,$23 |
sw $t0, OFFSET_F23(\ctx) |
mfc1 $t0,$24 |
sw $t0, OFFSET_F24(\ctx) |
mfc1 $t0,$25 |
sw $t0, OFFSET_F25(\ctx) |
mfc1 $t0,$26 |
sw $t0, OFFSET_F26(\ctx) |
mfc1 $t0,$27 |
sw $t0, OFFSET_F27(\ctx) |
mfc1 $t0,$28 |
sw $t0, OFFSET_F28(\ctx) |
mfc1 $t0,$29 |
sw $t0, OFFSET_F29(\ctx) |
mfc1 $t0,$30 |
sw $t0, OFFSET_F30(\ctx) |
#endif /* CONFIG_FPU */ |
#endif /* KERNEL */ |
sw $ra,OFFSET_PC(\ctx) |
sw $sp,OFFSET_SP(\ctx) |
.endm |
# ctx: address of the structure with saved context |
.macro CONTEXT_RESTORE_ARCH_CORE ctx:req |
lw $s0,OFFSET_S0(\ctx) |
lw $s1,OFFSET_S1(\ctx) |
lw $s2,OFFSET_S2(\ctx) |
lw $s3,OFFSET_S3(\ctx) |
lw $s4,OFFSET_S4(\ctx) |
lw $s5,OFFSET_S5(\ctx) |
lw $s6,OFFSET_S6(\ctx) |
lw $s7,OFFSET_S7(\ctx) |
lw $s8,OFFSET_S8(\ctx) |
lw $gp,OFFSET_GP(\ctx) |
#ifndef KERNEL |
lw $k1,OFFSET_TLS(\ctx) |
#ifdef CONFIG_FPU |
lw $t0, OFFSET_F20(\ctx) |
mtc1 $t0,$20 |
lw $t0, OFFSET_F21(\ctx) |
mtc1 $t0,$21 |
lw $t0, OFFSET_F22(\ctx) |
mtc1 $t0,$22 |
lw $t0, OFFSET_F23(\ctx) |
mtc1 $t0,$23 |
lw $t0, OFFSET_F24(\ctx) |
mtc1 $t0,$24 |
lw $t0, OFFSET_F25(\ctx) |
mtc1 $t0,$25 |
lw $t0, OFFSET_F26(\ctx) |
mtc1 $t0,$26 |
lw $t0, OFFSET_F27(\ctx) |
mtc1 $t0,$27 |
lw $t0, OFFSET_F28(\ctx) |
mtc1 $t0,$28 |
lw $t0, OFFSET_F29(\ctx) |
mtc1 $t0,$29 |
lw $t0, OFFSET_F30(\ctx) |
mtc1 $t0,$30 |
#endif /* CONFIG_FPU */ |
#endif /* KERNEL */ |
lw $ra,OFFSET_PC(\ctx) |
lw $sp,OFFSET_SP(\ctx) |
.endm |
#endif |
#endif |
/branches/arm/kernel/arch/mips32/include/elf.h |
---|
0,0 → 1,51 |
/* |
* Copyright (c) 2006 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_ELF_H_ |
#define KERN_mips32_ELF_H_ |
#define ELF_MACHINE EM_MIPS |
#ifdef __BE__ |
#define ELF_DATA_ENCODING ELFDATA2MSB |
#else |
#define ELF_DATA_ENCODING ELFDATA2LSB |
#endif |
#define ELF_CLASS ELFCLASS32 |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/types.h |
---|
0,0 → 1,98 |
/* |
* Copyright (c) 2003-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_TYPES_H_ |
#define KERN_mips32_TYPES_H_ |
typedef signed char int8_t; |
typedef signed short int16_t; |
typedef signed long int32_t; |
typedef signed long long int64_t; |
typedef unsigned char uint8_t; |
typedef unsigned short uint16_t; |
typedef unsigned long uint32_t; |
typedef unsigned long long uint64_t; |
typedef uint32_t size_t; |
typedef uint32_t uintptr_t; |
typedef uint32_t pfn_t; |
typedef uint32_t ipl_t; |
typedef uint32_t unative_t; |
typedef int32_t native_t; |
typedef struct { |
} fncptr_t; |
#define PRIp "x" /**< Format for uintptr_t. */ |
#define PRIs "u" /**< Format for size_t. */ |
#define PRId8 "d" /**< Format for int8_t. */ |
#define PRId16 "d" /**< Format for int16_t. */ |
#define PRId32 "ld" /**< Format for int32_t. */ |
#define PRId64 "lld" /**< Format for int64_t. */ |
#define PRIdn "d" /**< Format for native_t. */ |
#define PRIu8 "u" /**< Format for uint8_t. */ |
#define PRIu16 "u" /**< Format for uint16_t. */ |
#define PRIu32 "u" /**< Format for uint32_t. */ |
#define PRIu64 "llu" /**< Format for uint64_t. */ |
#define PRIun "u" /**< Format for unative_t. */ |
#define PRIx8 "x" /**< Format for hexadecimal (u)int8_t. */ |
#define PRIx16 "x" /**< Format for hexadecimal (u)int16_t. */ |
#define PRIx32 "x" /**< Format for hexadecimal (u)uint32_t. */ |
#define PRIx64 "llx" /**< Format for hexadecimal (u)int64_t. */ |
#define PRIxn "x" /**< Format for hexadecimal (u)native_t. */ |
/** Page Table Entry. */ |
typedef struct { |
unsigned g : 1; /**< Global bit. */ |
unsigned p : 1; /**< Present bit. */ |
unsigned d : 1; /**< Dirty bit. */ |
unsigned cacheable : 1; /**< Cacheable bit. */ |
unsigned : 1; /**< Unused. */ |
unsigned soft_valid : 1; /**< Valid content even if not present. */ |
unsigned pfn : 24; /**< Physical frame number. */ |
unsigned w : 1; /**< Page writable bit. */ |
unsigned a : 1; /**< Accessed bit. */ |
} pte_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/arch.h |
---|
0,0 → 1,64 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_ARCH_H_ |
#define KERN_mips32_ARCH_H_ |
#define TASKMAP_MAX_RECORDS 32 |
#define CPUMAP_MAX_RECORDS 32 |
#define BOOTINFO_TASK_NAME_BUFLEN 32 |
#include <typedefs.h> |
extern size_t cpu_count; |
typedef struct { |
uintptr_t addr; |
uint32_t size; |
char name[BOOTINFO_TASK_NAME_BUFLEN]; |
} utask_t; |
typedef struct { |
uint32_t cpumap; |
uint32_t cnt; |
utask_t tasks[TASKMAP_MAX_RECORDS]; |
} bootinfo_t; |
extern void arch_pre_main(void *entry, bootinfo_t *bootinfo); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/mm/page.h |
---|
0,0 → 1,180 |
/* |
* Copyright (c) 2003-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_PAGE_H_ |
#define KERN_mips32_PAGE_H_ |
#include <arch/mm/frame.h> |
#define PAGE_WIDTH FRAME_WIDTH |
#define PAGE_SIZE FRAME_SIZE |
#ifndef __ASM__ |
# define KA2PA(x) (((uintptr_t) (x)) - 0x80000000) |
# define PA2KA(x) (((uintptr_t) (x)) + 0x80000000) |
#else |
# define KA2PA(x) ((x) - 0x80000000) |
# define PA2KA(x) ((x) + 0x80000000) |
#endif |
#ifdef KERNEL |
/* |
* Implementation of generic 4-level page table interface. |
* |
* Page table layout: |
* - 32-bit virtual addresses |
* - Offset is 14 bits => pages are 16K long |
* - PTE's use similar format as CP0 EntryLo[01] registers => PTE is therefore |
* 4 bytes long |
* - PTE's replace EntryLo v (valid) bit with p (present) bit |
* - PTE's use only one bit to distinguish between cacheable and uncacheable |
* mappings |
* - PTE's define soft_valid field to ensure there is at least one 1 bit even if |
* the p bit is cleared |
* - PTE's make use of CP0 EntryLo's two-bit reserved field for bit W (writable) |
* and bit A (accessed) |
* - PTL0 has 64 entries (6 bits) |
* - PTL1 is not used |
* - PTL2 is not used |
* - PTL3 has 4096 entries (12 bits) |
*/ |
/* Macros describing number of entries in each level. */ |
#define PTL0_ENTRIES_ARCH 64 |
#define PTL1_ENTRIES_ARCH 0 |
#define PTL2_ENTRIES_ARCH 0 |
#define PTL3_ENTRIES_ARCH 4096 |
/* Macros describing size of page tables in each level. */ |
#define PTL0_SIZE_ARCH ONE_FRAME |
#define PTL1_SIZE_ARCH 0 |
#define PTL2_SIZE_ARCH 0 |
#define PTL3_SIZE_ARCH ONE_FRAME |
/* Macros calculating entry indices for each level. */ |
#define PTL0_INDEX_ARCH(vaddr) ((vaddr) >> 26) |
#define PTL1_INDEX_ARCH(vaddr) 0 |
#define PTL2_INDEX_ARCH(vaddr) 0 |
#define PTL3_INDEX_ARCH(vaddr) (((vaddr) >> 14) & 0xfff) |
/* Set accessor for PTL0 address. */ |
#define SET_PTL0_ADDRESS_ARCH(ptl0) |
/* Get PTE address accessors for each level. */ |
#define GET_PTL1_ADDRESS_ARCH(ptl0, i) \ |
(((pte_t *) (ptl0))[(i)].pfn << 12) |
#define GET_PTL2_ADDRESS_ARCH(ptl1, i) \ |
(ptl1) |
#define GET_PTL3_ADDRESS_ARCH(ptl2, i) \ |
(ptl2) |
#define GET_FRAME_ADDRESS_ARCH(ptl3, i) \ |
(((pte_t *) (ptl3))[(i)].pfn << 12) |
/* Set PTE address accessors for each level. */ |
#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a) \ |
(((pte_t *) (ptl0))[(i)].pfn = (a) >> 12) |
#define SET_PTL2_ADDRESS_ARCH(ptl1, i, a) |
#define SET_PTL3_ADDRESS_ARCH(ptl2, i, a) |
#define SET_FRAME_ADDRESS_ARCH(ptl3, i, a) \ |
(((pte_t *) (ptl3))[(i)].pfn = (a) >> 12) |
/* Get PTE flags accessors for each level. */ |
#define GET_PTL1_FLAGS_ARCH(ptl0, i) \ |
get_pt_flags((pte_t *) (ptl0), (size_t) (i)) |
#define GET_PTL2_FLAGS_ARCH(ptl1, i) \ |
PAGE_PRESENT |
#define GET_PTL3_FLAGS_ARCH(ptl2, i) \ |
PAGE_PRESENT |
#define GET_FRAME_FLAGS_ARCH(ptl3, i) \ |
get_pt_flags((pte_t *) (ptl3), (size_t) (i)) |
/* Set PTE flags accessors for each level. */ |
#define SET_PTL1_FLAGS_ARCH(ptl0, i, x) \ |
set_pt_flags((pte_t *) (ptl0), (size_t) (i), (x)) |
#define SET_PTL2_FLAGS_ARCH(ptl1, i, x) |
#define SET_PTL3_FLAGS_ARCH(ptl2, i, x) |
#define SET_FRAME_FLAGS_ARCH(ptl3, i, x) \ |
set_pt_flags((pte_t *) (ptl3), (size_t) (i), (x)) |
/* Last-level info macros. */ |
#define PTE_VALID_ARCH(pte) (*((uint32_t *) (pte)) != 0) |
#define PTE_PRESENT_ARCH(pte) ((pte)->p != 0) |
#define PTE_GET_FRAME_ARCH(pte) ((pte)->pfn << 12) |
#define PTE_WRITABLE_ARCH(pte) ((pte)->w != 0) |
#define PTE_EXECUTABLE_ARCH(pte) 1 |
#ifndef __ASM__ |
#include <mm/mm.h> |
#include <arch/exception.h> |
static inline int get_pt_flags(pte_t *pt, size_t i) |
{ |
pte_t *p = &pt[i]; |
return ((p->cacheable << PAGE_CACHEABLE_SHIFT) | |
((!p->p) << PAGE_PRESENT_SHIFT) | |
(1 << PAGE_USER_SHIFT) | |
(1 << PAGE_READ_SHIFT) | |
((p->w) << PAGE_WRITE_SHIFT) | |
(1 << PAGE_EXEC_SHIFT) | |
(p->g << PAGE_GLOBAL_SHIFT)); |
} |
static inline void set_pt_flags(pte_t *pt, size_t i, int flags) |
{ |
pte_t *p = &pt[i]; |
p->cacheable = (flags & PAGE_CACHEABLE) != 0; |
p->p = !(flags & PAGE_NOT_PRESENT); |
p->g = (flags & PAGE_GLOBAL) != 0; |
p->w = (flags & PAGE_WRITE) != 0; |
/* |
* Ensure that valid entries have at least one bit set. |
*/ |
p->soft_valid = 1; |
} |
extern void page_arch_init(void); |
#endif /* __ASM__ */ |
#endif /* KERNEL */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/mm/tlb.h |
---|
0,0 → 1,173 |
/* |
* Copyright (c) 2003-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_TLB_H_ |
#define KERN_mips32_TLB_H_ |
#include <arch/types.h> |
#include <typedefs.h> |
#include <arch/mm/asid.h> |
#include <arch/exception.h> |
#define TLB_ENTRY_COUNT 48 |
#define TLB_WIRED 1 |
#define TLB_KSTACK_WIRED_INDEX 0 |
#define TLB_PAGE_MASK_4K (0x000 << 13) |
#define TLB_PAGE_MASK_16K (0x003 << 13) |
#define TLB_PAGE_MASK_64K (0x00f << 13) |
#define TLB_PAGE_MASK_256K (0x03f << 13) |
#define TLB_PAGE_MASK_1M (0x0ff << 13) |
#define TLB_PAGE_MASK_4M (0x3ff << 13) |
#define TLB_PAGE_MASK_16M (0xfff << 13) |
#define PAGE_UNCACHED 2 |
#define PAGE_CACHEABLE_EXC_WRITE 5 |
typedef union { |
struct { |
#ifdef BIG_ENDIAN |
unsigned : 2; /* zero */ |
unsigned pfn : 24; /* frame number */ |
unsigned c : 3; /* cache coherency attribute */ |
unsigned d : 1; /* dirty/write-protect bit */ |
unsigned v : 1; /* valid bit */ |
unsigned g : 1; /* global bit */ |
#else |
unsigned g : 1; /* global bit */ |
unsigned v : 1; /* valid bit */ |
unsigned d : 1; /* dirty/write-protect bit */ |
unsigned c : 3; /* cache coherency attribute */ |
unsigned pfn : 24; /* frame number */ |
unsigned : 2; /* zero */ |
#endif |
} __attribute__ ((packed)); |
uint32_t value; |
} entry_lo_t; |
typedef union { |
struct { |
#ifdef BIG_ENDIAN |
unsigned vpn2 : 19; |
unsigned : 5; |
unsigned asid : 8; |
#else |
unsigned asid : 8; |
unsigned : 5; |
unsigned vpn2 : 19; |
#endif |
} __attribute__ ((packed)); |
uint32_t value; |
} entry_hi_t; |
typedef union { |
struct { |
#ifdef BIG_ENDIAN |
unsigned : 7; |
unsigned mask : 12; |
unsigned : 13; |
#else |
unsigned : 13; |
unsigned mask : 12; |
unsigned : 7; |
#endif |
} __attribute__ ((packed)); |
uint32_t value; |
} page_mask_t; |
typedef union { |
struct { |
#ifdef BIG_ENDIAN |
unsigned p : 1; |
unsigned : 27; |
unsigned index : 4; |
#else |
unsigned index : 4; |
unsigned : 27; |
unsigned p : 1; |
#endif |
} __attribute__ ((packed)); |
uint32_t value; |
} tlb_index_t; |
/** Probe TLB for Matching Entry |
* |
* Probe TLB for Matching Entry. |
*/ |
static inline void tlbp(void) |
{ |
asm volatile ("tlbp\n\t"); |
} |
/** Read Indexed TLB Entry |
* |
* Read Indexed TLB Entry. |
*/ |
static inline void tlbr(void) |
{ |
asm volatile ("tlbr\n\t"); |
} |
/** Write Indexed TLB Entry |
* |
* Write Indexed TLB Entry. |
*/ |
static inline void tlbwi(void) |
{ |
asm volatile ("tlbwi\n\t"); |
} |
/** Write Random TLB Entry |
* |
* Write Random TLB Entry. |
*/ |
static inline void tlbwr(void) |
{ |
asm volatile ("tlbwr\n\t"); |
} |
#define tlb_invalidate(asid) tlb_invalidate_asid(asid) |
extern void tlb_invalid(istate_t *istate); |
extern void tlb_refill(istate_t *istate); |
extern void tlb_modified(istate_t *istate); |
extern void tlb_prepare_entry_lo(entry_lo_t *lo, bool g, bool v, bool d, bool cacheable, uintptr_t pfn); |
extern void tlb_prepare_entry_hi(entry_hi_t *hi, asid_t asid, uintptr_t addr); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/mm/frame.h |
---|
0,0 → 1,55 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_FRAME_H_ |
#define KERN_mips32_FRAME_H_ |
#define FRAME_WIDTH 14 /* 16K */ |
#define FRAME_SIZE (1 << FRAME_WIDTH) |
#ifdef KERNEL |
#ifndef __ASM__ |
#include <typedefs.h> |
extern void frame_arch_init(void); |
extern void physmem_print(void); |
#endif /* __ASM__ */ |
#endif /* KERNEL */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/mm/asid.h |
---|
0,0 → 1,47 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_ASID_H_ |
#define KERN_mips32_ASID_H_ |
#include <arch/types.h> |
#define ASID_MAX_ARCH 255 /* 2^8 - 1 */ |
typedef uint8_t asid_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/mm/as.h |
---|
0,0 → 1,63 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_AS_H_ |
#define KERN_mips32_AS_H_ |
#define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 0 |
#define KERNEL_ADDRESS_SPACE_START_ARCH (unsigned long) 0x80000000 |
#define KERNEL_ADDRESS_SPACE_END_ARCH (unsigned long) 0x9fffffff |
#define USER_ADDRESS_SPACE_START_ARCH (unsigned long) 0x00000000 |
#define USER_ADDRESS_SPACE_END_ARCH (unsigned long) 0x7fffffff |
#define USTACK_ADDRESS_ARCH (0x80000000 - PAGE_SIZE) |
typedef struct { |
} as_arch_t; |
#include <genarch/mm/as_pt.h> |
#define as_constructor_arch(as, flags) (as != as) |
#define as_destructor_arch(as) (as != as) |
#define as_create_arch(as, flags) (as != as) |
#define as_deinstall_arch(as) |
#define as_invalidate_translation_cache(as, page, cnt) |
extern void as_arch_init(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/debugger.h |
---|
0,0 → 1,68 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32debug |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_DEBUGGER_H_ |
#define KERN_mips32_DEBUGGER_H_ |
#include <arch/exception.h> |
#include <arch/types.h> |
#define BKPOINTS_MAX 10 |
#define BKPOINT_INPROG (1 << 0) /**< Breakpoint was shot */ |
#define BKPOINT_ONESHOT (1 << 1) /**< One-time breakpoint,mandatory for j/b |
instructions */ |
#define BKPOINT_REINST (1 << 2) /**< Breakpoint is set on the next |
instruction, so that it could be |
reinstalled on the previous one */ |
#define BKPOINT_FUNCCALL (1 << 3) /**< Call a predefined function */ |
typedef struct { |
uintptr_t address; /**< Breakpoint address */ |
unative_t instruction; /**< Original instruction */ |
unative_t nextinstruction; /**< Original instruction following break */ |
int flags; /**< Flags regarding breakpoint */ |
size_t counter; |
void (*bkfunc)(void *b, istate_t *istate); |
} bpinfo_t; |
extern void debugger_init(void); |
void debugger_bpoint(istate_t *istate); |
extern bpinfo_t breakpoints[BKPOINTS_MAX]; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/drivers/msim.h |
---|
0,0 → 1,46 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_MSIM_H_ |
#define KERN_mips32_MSIM_H_ |
/** Address of devices. */ |
#define MSIM_VIDEORAM 0x90000000 |
#define MSIM_KBD_ADDRESS 0x90000000 |
#define MSIM_KBD_IRQ 2 |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/asm.h |
---|
0,0 → 1,112 |
/* |
* Copyright (c) 2003-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_ASM_H_ |
#define KERN_mips32_ASM_H_ |
#include <arch/types.h> |
#include <typedefs.h> |
#include <config.h> |
static inline void cpu_sleep(void) |
{ |
/* Most of the simulators do not support */ |
/* asm volatile ("wait"); */ |
} |
/** Return base address of current stack |
* |
* Return the base address of the current stack. |
* The stack is assumed to be STACK_SIZE bytes long. |
* The stack must start on page boundary. |
*/ |
static inline uintptr_t get_stack_base(void) |
{ |
uintptr_t v; |
asm volatile ( |
"and %0, $29, %1\n" |
: "=r" (v) |
: "r" (~(STACK_SIZE-1)) |
); |
return v; |
} |
extern void cpu_halt(void); |
extern void asm_delay_loop(uint32_t t); |
extern void userspace_asm(uintptr_t ustack, uintptr_t uspace_uarg, |
uintptr_t entry); |
extern ipl_t interrupts_disable(void); |
extern ipl_t interrupts_enable(void); |
extern void interrupts_restore(ipl_t ipl); |
extern ipl_t interrupts_read(void); |
extern void asm_delay_loop(uint32_t t); |
static inline void pio_write_8(ioport8_t *port, uint8_t v) |
{ |
*port = v; |
} |
static inline void pio_write_16(ioport16_t *port, uint16_t v) |
{ |
*port = v; |
} |
static inline void pio_write_32(ioport32_t *port, uint32_t v) |
{ |
*port = v; |
} |
static inline uint8_t pio_read_8(ioport8_t *port) |
{ |
return *port; |
} |
static inline uint16_t pio_read_16(ioport16_t *port) |
{ |
return *port; |
} |
static inline uint32_t pio_read_32(ioport32_t *port) |
{ |
return *port; |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/asm/boot.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_BOOT_H_ |
#define KERN_mips32_BOOT_H_ |
/* Temporary stack size for boot process */ |
#define TEMP_STACK_SIZE 0x100 |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/asm/regname.h |
---|
0,0 → 1,97 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_REGNAME_H_ |
#define KERN_mips32_REGNAME_H_ |
#define zero 0 |
#define at 1 |
#define v0 2 |
#define v1 3 |
#define a0 4 |
#define a1 5 |
#define a2 6 |
#define a3 7 |
#define t0 8 |
#define t1 9 |
#define t2 10 |
#define t3 11 |
#define t4 12 |
#define t5 13 |
#define t6 14 |
#define t7 15 |
#define s0 16 |
#define s1 17 |
#define s2 18 |
#define s3 19 |
#define s4 20 |
#define s5 21 |
#define s6 22 |
#define s7 23 |
#define t8 24 |
#define t9 25 |
#define k0 26 |
#define k1 27 |
#define gp 28 |
#define sp 29 |
#define s8 30 |
#define ra 31 |
#define rindex 0 |
#define rrandom 1 |
#define entrylo0 2 |
#define entrylo1 3 |
#define context 4 |
#define pagemask 5 |
#define wired 6 |
#define badvaddr 8 |
#define count 9 |
#define entryhi 10 |
#define compare 11 |
#define status 12 |
#define cause 13 |
#define epc 14 |
#define rconfig 16 |
#define lladdr 17 |
#define watchlo 18 |
#define watchhi 19 |
#define xcontext 20 |
#define rdebug 23 |
#define depc 24 |
#define eepc 30 |
#endif /* KERN_mips32_REGNAME_H_ */ |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/interrupt.h |
---|
0,0 → 1,54 |
/* |
* Copyright (c) 2003-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32interrupt |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_INTERRUPT_H_ |
#define KERN_mips32_INTERRUPT_H_ |
#include <typedefs.h> |
#include <arch/exception.h> |
#define IVT_ITEMS 32 |
#define IVT_FIRST 0 |
#define VECTOR_TLB_SHOOTDOWN_IPI EXC_Int |
extern function virtual_timer_fnc; |
extern uint32_t count_hi; |
extern void interrupt_init(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/smp/dorder.h |
---|
0,0 → 1,34 |
/* |
* Copyright (c) 2007 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef KERN_mips32_DORDER_H_ |
#define KERN_mips32_DORDER_H_ |
extern void ipi_broadcast_arch(int ipi); |
#endif |
/branches/arm/kernel/arch/mips32/include/atomic.h |
---|
0,0 → 1,94 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_ATOMIC_H_ |
#define KERN_mips32_ATOMIC_H_ |
#define atomic_inc(x) ((void) atomic_add(x, 1)) |
#define atomic_dec(x) ((void) atomic_add(x, -1)) |
#define atomic_postinc(x) (atomic_add(x, 1) - 1) |
#define atomic_postdec(x) (atomic_add(x, -1) + 1) |
#define atomic_preinc(x) atomic_add(x, 1) |
#define atomic_predec(x) atomic_add(x, -1) |
/* Atomic addition of immediate value. |
* |
* @param val Memory location to which will be the immediate value added. |
* @param i Signed immediate that will be added to *val. |
* |
* @return Value after addition. |
*/ |
static inline long atomic_add(atomic_t *val, int i) |
{ |
long tmp, v; |
asm volatile ( |
"1:\n" |
" ll %0, %1\n" |
" addu %0, %0, %3\n" /* same as addi, but never traps on overflow */ |
" move %2, %0\n" |
" sc %0, %1\n" |
" beq %0, %4, 1b\n" /* if the atomic operation failed, try again */ |
" nop\n" |
: "=&r" (tmp), "+m" (val->count), "=&r" (v) |
: "r" (i), "i" (0) |
); |
return v; |
} |
static inline uint32_t test_and_set(atomic_t *val) { |
uint32_t tmp, v; |
asm volatile ( |
"1:\n" |
" ll %2, %1\n" |
" bnez %2, 2f\n" |
" li %0, %3\n" |
" sc %0, %1\n" |
" beqz %0, 1b\n" |
"2:\n" |
: "=&r" (tmp), "+m" (val->count), "=&r" (v) |
: "i" (1) |
); |
return v; |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/cpu.h |
---|
0,0 → 1,49 |
/* |
* Copyright (c) 2003-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_CPU_H_ |
#define KERN_mips32_CPU_H_ |
#include <arch/types.h> |
#include <arch/asm.h> |
typedef struct { |
uint32_t imp_num; |
uint32_t rev_num; |
} cpu_arch_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/exception.h |
---|
0,0 → 1,114 |
/* |
* Copyright (c) 2003-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_EXCEPTION_H_ |
#define KERN_mips32_EXCEPTION_H_ |
#include <arch/types.h> |
#include <arch/cp0.h> |
#define EXC_Int 0 |
#define EXC_Mod 1 |
#define EXC_TLBL 2 |
#define EXC_TLBS 3 |
#define EXC_AdEL 4 |
#define EXC_AdES 5 |
#define EXC_IBE 6 |
#define EXC_DBE 7 |
#define EXC_Sys 8 |
#define EXC_Bp 9 |
#define EXC_RI 10 |
#define EXC_CpU 11 |
#define EXC_Ov 12 |
#define EXC_Tr 13 |
#define EXC_VCEI 14 |
#define EXC_FPE 15 |
#define EXC_WATCH 23 |
#define EXC_VCED 31 |
typedef struct { |
uint32_t at; |
uint32_t v0; |
uint32_t v1; |
uint32_t a0; |
uint32_t a1; |
uint32_t a2; |
uint32_t a3; |
uint32_t t0; |
uint32_t t1; |
uint32_t t2; |
uint32_t t3; |
uint32_t t4; |
uint32_t t5; |
uint32_t t6; |
uint32_t t7; |
uint32_t t8; |
uint32_t t9; |
uint32_t gp; |
uint32_t sp; |
uint32_t ra; |
uint32_t lo; |
uint32_t hi; |
uint32_t status; /* cp0_status */ |
uint32_t epc; /* cp0_epc */ |
uint32_t k1; /* We use it as thread-local pointer */ |
} istate_t; |
static inline void istate_set_retaddr(istate_t *istate, uintptr_t retaddr) |
{ |
istate->epc = retaddr; |
} |
/** Return true if exception happened while in userspace */ |
static inline int istate_from_uspace(istate_t *istate) |
{ |
return istate->status & cp0_status_um_bit; |
} |
static inline unative_t istate_get_pc(istate_t *istate) |
{ |
return istate->epc; |
} |
extern void exception(istate_t *istate); |
extern void tlb_refill_entry(void); |
extern void exception_entry(void); |
extern void cache_error_entry(void); |
extern void exception_init(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/barrier.h |
---|
0,0 → 1,54 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_BARRIER_H_ |
#define KERN_mips32_BARRIER_H_ |
/* |
* TODO: implement true MIPS memory barriers for macros below. |
*/ |
#define CS_ENTER_BARRIER() asm volatile ("" ::: "memory") |
#define CS_LEAVE_BARRIER() asm volatile ("" ::: "memory") |
#define memory_barrier() asm volatile ("" ::: "memory") |
#define read_barrier() asm volatile ("" ::: "memory") |
#define write_barrier() asm volatile ("" ::: "memory") |
#define smc_coherence(a) |
#define smc_coherence_block(a, l) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/memstr.h |
---|
0,0 → 1,48 |
/* |
* Copyright (c) 2005 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_MEMSTR_H_ |
#define KERN_mips32_MEMSTR_H_ |
#define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt)) |
extern void memsetw(void *dst, size_t cnt, uint16_t x); |
extern void memsetb(void *dst, size_t cnt, uint8_t x); |
extern int memcmp(const void *a, const void *b, size_t cnt); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/cycle.h |
---|
0,0 → 1,49 |
/* |
* Copyright (c) 2006 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips2 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_CYCLE_H_ |
#define KERN_mips32_CYCLE_H_ |
#include <arch/cp0.h> |
#include <arch/interrupt.h> |
static inline uint64_t get_cycle(void) |
{ |
return ((uint64_t) count_hi << 32) + ((uint64_t) cp0_count_read()); |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/stack.h |
---|
0,0 → 1,52 |
/* |
* Copyright (c) 2006 Josef Cejka |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_STACK_H_ |
#define KERN_mips32_STACK_H_ |
#define STACK_ITEM_SIZE 4 |
#define STACK_ALIGNMENT 8 |
#define STACK_ARG0 0 |
#define STACK_ARG1 4 |
#define STACK_ARG2 8 |
#define STACK_ARG3 12 |
#define STACK_ARG4 16 |
#define STACK_ARG5 20 |
#define STACK_ARG6 24 |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/cache.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2003-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_CACHE_H_ |
#define KERN_mips32_CACHE_H_ |
#include <arch/exception.h> |
extern void cache_error(istate_t *istate); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/cp0.h |
---|
0,0 → 1,122 |
/* |
* Copyright (c) 2003-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_CP0_H_ |
#define KERN_mips32_CP0_H_ |
#include <arch/types.h> |
#define cp0_status_ie_enabled_bit (1 << 0) |
#define cp0_status_exl_exception_bit (1 << 1) |
#define cp0_status_erl_error_bit (1 << 2) |
#define cp0_status_um_bit (1 << 4) |
#define cp0_status_bev_bootstrap_bit (1 << 22) |
#define cp0_status_fpu_bit (1 << 29) |
#define cp0_status_im_shift 8 |
#define cp0_status_im_mask 0xff00 |
#define cp0_cause_excno(cause) ((cause >> 2) & 0x1f) |
#define cp0_cause_coperr(cause) ((cause >> 28) & 0x3) |
#define fpu_cop_id 1 |
/* |
* Magic value for use in msim. |
*/ |
#define cp0_compare_value 100000 |
#define cp0_mask_all_int() cp0_status_write(cp0_status_read() & ~(cp0_status_im_mask)) |
#define cp0_unmask_all_int() cp0_status_write(cp0_status_read() | cp0_status_im_mask) |
#define cp0_mask_int(it) cp0_status_write(cp0_status_read() & ~(1 << (cp0_status_im_shift + (it)))) |
#define cp0_unmask_int(it) cp0_status_write(cp0_status_read() | (1 << (cp0_status_im_shift + (it)))) |
#define GEN_READ_CP0(nm,reg) static inline uint32_t cp0_ ##nm##_read(void) \ |
{ \ |
uint32_t retval; \ |
asm("mfc0 %0, $" #reg : "=r"(retval)); \ |
return retval; \ |
} |
#define GEN_WRITE_CP0(nm,reg) static inline void cp0_ ##nm##_write(uint32_t val) \ |
{ \ |
asm("mtc0 %0, $" #reg : : "r"(val) ); \ |
} |
GEN_READ_CP0(index, 0); |
GEN_WRITE_CP0(index, 0); |
GEN_READ_CP0(random, 1); |
GEN_READ_CP0(entry_lo0, 2); |
GEN_WRITE_CP0(entry_lo0, 2); |
GEN_READ_CP0(entry_lo1, 3); |
GEN_WRITE_CP0(entry_lo1, 3); |
GEN_READ_CP0(context, 4); |
GEN_WRITE_CP0(context, 4); |
GEN_READ_CP0(pagemask, 5); |
GEN_WRITE_CP0(pagemask, 5); |
GEN_READ_CP0(wired, 6); |
GEN_WRITE_CP0(wired, 6); |
GEN_READ_CP0(badvaddr, 8); |
GEN_READ_CP0(count, 9); |
GEN_WRITE_CP0(count, 9); |
GEN_READ_CP0(entry_hi, 10); |
GEN_WRITE_CP0(entry_hi, 10); |
GEN_READ_CP0(compare, 11); |
GEN_WRITE_CP0(compare, 11); |
GEN_READ_CP0(status, 12); |
GEN_WRITE_CP0(status, 12); |
GEN_READ_CP0(cause, 13); |
GEN_WRITE_CP0(cause, 13); |
GEN_READ_CP0(epc, 14); |
GEN_WRITE_CP0(epc, 14); |
GEN_READ_CP0(prid, 15); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/fpu_context.h |
---|
0,0 → 1,50 |
/* |
* Copyright (c) 2005 Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_FPU_CONTEXT_H_ |
#define KERN_mips32_FPU_CONTEXT_H_ |
#include <arch/types.h> |
#define FPU_CONTEXT_ALIGN sizeof(unative_t) |
typedef struct { |
unative_t dregs[32]; |
unative_t cregs[32]; |
} fpu_context_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/context.h |
---|
0,0 → 1,78 |
/* |
* Copyright (c) 2003-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_CONTEXT_H_ |
#define KERN_mips32_CONTEXT_H_ |
#include <align.h> |
#include <arch/stack.h> |
/* |
* Put one item onto the stack to support get_stack_base() and align it up. |
*/ |
#define SP_DELTA (0 + ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT)) |
#ifndef __ASM__ |
#include <arch/types.h> |
/* |
* Only save registers that must be preserved across |
* function calls. |
*/ |
typedef struct { |
uintptr_t sp; |
uintptr_t pc; |
uint32_t s0; |
uint32_t s1; |
uint32_t s2; |
uint32_t s3; |
uint32_t s4; |
uint32_t s5; |
uint32_t s6; |
uint32_t s7; |
uint32_t s8; |
uint32_t gp; |
ipl_t ipl; |
} context_t; |
#endif /* __ASM__ */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/arg.h |
---|
0,0 → 1,60 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_ARG_H_ |
#define KERN_mips32_ARG_H_ |
#include <arch/types.h> |
/** |
* va_arg macro for MIPS32 - problem is that 64 bit values must be aligned on an 8-byte boundary (32bit values not) |
* To satisfy this, paddings must be sometimes inserted. |
*/ |
typedef uintptr_t va_list; |
#define va_start(ap, lst) \ |
((ap) = (va_list)&(lst) + sizeof(lst)) |
#define va_arg(ap, type) \ |
(((type *)((ap) = (va_list)( (sizeof(type) <= 4) ? ((uintptr_t)((ap) + 2*4 - 1) & (~3)) : ((uintptr_t)((ap) + 2*8 -1) & (~7)) )))[-1]) |
#define va_copy(dst,src) ((dst)=(src)) |
#define va_end(ap) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/proc/task.h |
---|
0,0 → 1,47 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32proc |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_TASK_H_ |
#define KERN_mips32_TASK_H_ |
typedef struct { |
} task_arch_t; |
#define task_create_arch(t) |
#define task_destroy_arch(t) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/proc/thread.h |
---|
0,0 → 1,49 |
/* |
* Copyright (c) 2003-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32proc |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_THREAD_H_ |
#define KERN_mips32_THREAD_H_ |
typedef struct { |
} thread_arch_t; |
#define thr_constructor_arch(t) |
#define thr_destructor_arch(t) |
#define thread_create_arch(t) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/faddr.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_FADDR_H_ |
#define KERN_mips32_FADDR_H_ |
#include <arch/types.h> |
#define FADDR(fptr) ((uintptr_t) (fptr)) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/include/debug.h |
---|
0,0 → 1,52 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32debug |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_mips32_DEBUG_H_ |
#define KERN_mips23_DEBUG_H_ |
/** simulator enters the trace mode */ |
#define ___traceon() asm volatile ( "\t.word\t0x39\n"); |
/** simulator leaves the trace mode */ |
#define ___traceoff() asm volatile ( "\t.word\t0x3d\n"); |
/** register dump */ |
#define ___regview() asm volatile ( "\t.word\t0x37\n"); |
/** halt the simulator */ |
#define ___halt() asm volatile ( "\t.word\t0x28\n"); |
/** simulator enters interactive mode */ |
#define ___intmode() asm volatile ( "\t.word\t0x29\n"); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/Makefile.inc |
---|
0,0 → 1,79 |
# |
# Copyright (c) 2005 Martin Decky |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
## Toolchain configuration |
# |
BFD_ARCH = mips |
BFD = binary |
TARGET = mipsel-linux-gnu |
TOOLCHAIN_DIR = $(CROSS_PREFIX)/mipsel |
GCC_CFLAGS += -mno-abicalls -G 0 -fno-zero-initialized-in-bss -mips3 |
BITS = 32 |
## Accepted MACHINEs |
# |
ifeq ($(MACHINE),lgxemul) |
BFD_NAME = elf32-tradlittlemips |
ENDIANESS = LE |
endif |
ifeq ($(MACHINE),bgxemul) |
BFD_NAME = elf32-tradbigmips |
TOOLCHAIN_DIR = $(CROSS_PREFIX)/mips |
TARGET = mips-linux-gnu |
ENDIANESS = BE |
GCC_CFLAGS += -D__BE__ |
endif |
ifeq ($(MACHINE),msim) |
BFD_NAME = elf32-tradlittlemips |
ENDIANESS = LE |
GCC_CFLAGS += -mhard-float |
endif |
ARCH_SOURCES = \ |
arch/$(KARCH)/src/start.S \ |
arch/$(KARCH)/src/context.S \ |
arch/$(KARCH)/src/panic.S \ |
arch/$(KARCH)/src/mips32.c \ |
arch/$(KARCH)/src/asm.S \ |
arch/$(KARCH)/src/exception.c \ |
arch/$(KARCH)/src/interrupt.c \ |
arch/$(KARCH)/src/cache.c \ |
arch/$(KARCH)/src/debugger.c \ |
arch/$(KARCH)/src/cpu/cpu.c \ |
arch/$(KARCH)/src/mm/frame.c \ |
arch/$(KARCH)/src/mm/page.c \ |
arch/$(KARCH)/src/mm/tlb.c \ |
arch/$(KARCH)/src/mm/as.c \ |
arch/$(KARCH)/src/fpu_context.c \ |
arch/$(KARCH)/src/ddi/ddi.c \ |
arch/$(KARCH)/src/smp/dorder.c \ |
arch/$(KARCH)/src/smp/smp.c |
/branches/arm/kernel/arch/mips32/src/mm/tlb.c |
---|
0,0 → 1,609 |
/* |
* Copyright (c) 2003-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32mm |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/mm/tlb.h> |
#include <mm/asid.h> |
#include <mm/tlb.h> |
#include <mm/page.h> |
#include <mm/as.h> |
#include <arch/cp0.h> |
#include <panic.h> |
#include <arch.h> |
#include <synch/mutex.h> |
#include <print.h> |
#include <debug.h> |
#include <align.h> |
#include <interrupt.h> |
#include <symtab.h> |
static void tlb_refill_fail(istate_t *); |
static void tlb_invalid_fail(istate_t *); |
static void tlb_modified_fail(istate_t *); |
static pte_t *find_mapping_and_check(uintptr_t, int, istate_t *, int *); |
/** Initialize TLB. |
* |
* Invalidate all entries and mark wired entries. |
*/ |
void tlb_arch_init(void) |
{ |
int i; |
cp0_pagemask_write(TLB_PAGE_MASK_16K); |
cp0_entry_hi_write(0); |
cp0_entry_lo0_write(0); |
cp0_entry_lo1_write(0); |
/* Clear and initialize TLB. */ |
for (i = 0; i < TLB_ENTRY_COUNT; i++) { |
cp0_index_write(i); |
tlbwi(); |
} |
/* |
* The kernel is going to make use of some wired |
* entries (e.g. mapping kernel stacks in kseg3). |
*/ |
cp0_wired_write(TLB_WIRED); |
} |
/** Process TLB Refill Exception. |
* |
* @param istate Interrupted register context. |
*/ |
void tlb_refill(istate_t *istate) |
{ |
entry_lo_t lo; |
entry_hi_t hi; |
asid_t asid; |
uintptr_t badvaddr; |
pte_t *pte; |
int pfrc; |
badvaddr = cp0_badvaddr_read(); |
mutex_lock(&AS->lock); |
asid = AS->asid; |
mutex_unlock(&AS->lock); |
page_table_lock(AS, true); |
pte = find_mapping_and_check(badvaddr, PF_ACCESS_READ, istate, &pfrc); |
if (!pte) { |
switch (pfrc) { |
case AS_PF_FAULT: |
goto fail; |
break; |
case AS_PF_DEFER: |
/* |
* The page fault came during copy_from_uspace() |
* or copy_to_uspace(). |
*/ |
page_table_unlock(AS, true); |
return; |
default: |
panic("Unexpected pfrc (%d).", pfrc); |
} |
} |
/* |
* Record access to PTE. |
*/ |
pte->a = 1; |
tlb_prepare_entry_hi(&hi, asid, badvaddr); |
tlb_prepare_entry_lo(&lo, pte->g, pte->p, pte->d, pte->cacheable, |
pte->pfn); |
/* |
* New entry is to be inserted into TLB |
*/ |
cp0_entry_hi_write(hi.value); |
if ((badvaddr / PAGE_SIZE) % 2 == 0) { |
cp0_entry_lo0_write(lo.value); |
cp0_entry_lo1_write(0); |
} |
else { |
cp0_entry_lo0_write(0); |
cp0_entry_lo1_write(lo.value); |
} |
cp0_pagemask_write(TLB_PAGE_MASK_16K); |
tlbwr(); |
page_table_unlock(AS, true); |
return; |
fail: |
page_table_unlock(AS, true); |
tlb_refill_fail(istate); |
} |
/** Process TLB Invalid Exception. |
* |
* @param istate Interrupted register context. |
*/ |
void tlb_invalid(istate_t *istate) |
{ |
tlb_index_t index; |
uintptr_t badvaddr; |
entry_lo_t lo; |
entry_hi_t hi; |
pte_t *pte; |
int pfrc; |
badvaddr = cp0_badvaddr_read(); |
/* |
* Locate the faulting entry in TLB. |
*/ |
hi.value = cp0_entry_hi_read(); |
tlb_prepare_entry_hi(&hi, hi.asid, badvaddr); |
cp0_entry_hi_write(hi.value); |
tlbp(); |
index.value = cp0_index_read(); |
page_table_lock(AS, true); |
/* |
* Fail if the entry is not in TLB. |
*/ |
if (index.p) { |
printf("TLB entry not found.\n"); |
goto fail; |
} |
pte = find_mapping_and_check(badvaddr, PF_ACCESS_READ, istate, &pfrc); |
if (!pte) { |
switch (pfrc) { |
case AS_PF_FAULT: |
goto fail; |
break; |
case AS_PF_DEFER: |
/* |
* The page fault came during copy_from_uspace() |
* or copy_to_uspace(). |
*/ |
page_table_unlock(AS, true); |
return; |
default: |
panic("Unexpected pfrc (%d).", pfrc); |
} |
} |
/* |
* Read the faulting TLB entry. |
*/ |
tlbr(); |
/* |
* Record access to PTE. |
*/ |
pte->a = 1; |
tlb_prepare_entry_lo(&lo, pte->g, pte->p, pte->d, pte->cacheable, |
pte->pfn); |
/* |
* The entry is to be updated in TLB. |
*/ |
if ((badvaddr / PAGE_SIZE) % 2 == 0) |
cp0_entry_lo0_write(lo.value); |
else |
cp0_entry_lo1_write(lo.value); |
cp0_pagemask_write(TLB_PAGE_MASK_16K); |
tlbwi(); |
page_table_unlock(AS, true); |
return; |
fail: |
page_table_unlock(AS, true); |
tlb_invalid_fail(istate); |
} |
/** Process TLB Modified Exception. |
* |
* @param istate Interrupted register context. |
*/ |
void tlb_modified(istate_t *istate) |
{ |
tlb_index_t index; |
uintptr_t badvaddr; |
entry_lo_t lo; |
entry_hi_t hi; |
pte_t *pte; |
int pfrc; |
badvaddr = cp0_badvaddr_read(); |
/* |
* Locate the faulting entry in TLB. |
*/ |
hi.value = cp0_entry_hi_read(); |
tlb_prepare_entry_hi(&hi, hi.asid, badvaddr); |
cp0_entry_hi_write(hi.value); |
tlbp(); |
index.value = cp0_index_read(); |
page_table_lock(AS, true); |
/* |
* Fail if the entry is not in TLB. |
*/ |
if (index.p) { |
printf("TLB entry not found.\n"); |
goto fail; |
} |
pte = find_mapping_and_check(badvaddr, PF_ACCESS_WRITE, istate, &pfrc); |
if (!pte) { |
switch (pfrc) { |
case AS_PF_FAULT: |
goto fail; |
break; |
case AS_PF_DEFER: |
/* |
* The page fault came during copy_from_uspace() |
* or copy_to_uspace(). |
*/ |
page_table_unlock(AS, true); |
return; |
default: |
panic("Unexpected pfrc (%d).", pfrc); |
} |
} |
/* |
* Read the faulting TLB entry. |
*/ |
tlbr(); |
/* |
* Record access and write to PTE. |
*/ |
pte->a = 1; |
pte->d = 1; |
tlb_prepare_entry_lo(&lo, pte->g, pte->p, pte->w, pte->cacheable, |
pte->pfn); |
/* |
* The entry is to be updated in TLB. |
*/ |
if ((badvaddr / PAGE_SIZE) % 2 == 0) |
cp0_entry_lo0_write(lo.value); |
else |
cp0_entry_lo1_write(lo.value); |
cp0_pagemask_write(TLB_PAGE_MASK_16K); |
tlbwi(); |
page_table_unlock(AS, true); |
return; |
fail: |
page_table_unlock(AS, true); |
tlb_modified_fail(istate); |
} |
void tlb_refill_fail(istate_t *istate) |
{ |
char *symbol, *sym2; |
symbol = symtab_fmt_name_lookup(istate->epc); |
sym2 = symtab_fmt_name_lookup(istate->ra); |
fault_if_from_uspace(istate, "TLB Refill Exception on %p.", |
cp0_badvaddr_read()); |
panic("%x: TLB Refill Exception at %x (%s<-%s).", cp0_badvaddr_read(), |
istate->epc, symbol, sym2); |
} |
void tlb_invalid_fail(istate_t *istate) |
{ |
char *symbol; |
symbol = symtab_fmt_name_lookup(istate->epc); |
fault_if_from_uspace(istate, "TLB Invalid Exception on %p.", |
cp0_badvaddr_read()); |
panic("%x: TLB Invalid Exception at %x (%s).", cp0_badvaddr_read(), |
istate->epc, symbol); |
} |
void tlb_modified_fail(istate_t *istate) |
{ |
char *symbol; |
symbol = symtab_fmt_name_lookup(istate->epc); |
fault_if_from_uspace(istate, "TLB Modified Exception on %p.", |
cp0_badvaddr_read()); |
panic("%x: TLB Modified Exception at %x (%s).", cp0_badvaddr_read(), |
istate->epc, symbol); |
} |
/** Try to find PTE for faulting address. |
* |
* The AS->lock must be held on entry to this function. |
* |
* @param badvaddr Faulting virtual address. |
* @param access Access mode that caused the fault. |
* @param istate Pointer to interrupted state. |
* @param pfrc Pointer to variable where as_page_fault() return code |
* will be stored. |
* |
* @return PTE on success, NULL otherwise. |
*/ |
pte_t * |
find_mapping_and_check(uintptr_t badvaddr, int access, istate_t *istate, |
int *pfrc) |
{ |
entry_hi_t hi; |
pte_t *pte; |
hi.value = cp0_entry_hi_read(); |
/* |
* Handler cannot succeed if the ASIDs don't match. |
*/ |
if (hi.asid != AS->asid) { |
printf("EntryHi.asid=%d, AS->asid=%d\n", hi.asid, AS->asid); |
return NULL; |
} |
/* |
* Check if the mapping exists in page tables. |
*/ |
pte = page_mapping_find(AS, badvaddr); |
if (pte && pte->p && (pte->w || access != PF_ACCESS_WRITE)) { |
/* |
* Mapping found in page tables. |
* Immediately succeed. |
*/ |
return pte; |
} else { |
int rc; |
/* |
* Mapping not found in page tables. |
* Resort to higher-level page fault handler. |
*/ |
page_table_unlock(AS, true); |
switch (rc = as_page_fault(badvaddr, access, istate)) { |
case AS_PF_OK: |
/* |
* The higher-level page fault handler succeeded, |
* The mapping ought to be in place. |
*/ |
page_table_lock(AS, true); |
pte = page_mapping_find(AS, badvaddr); |
ASSERT(pte && pte->p); |
ASSERT(pte->w || access != PF_ACCESS_WRITE); |
return pte; |
break; |
case AS_PF_DEFER: |
page_table_lock(AS, true); |
*pfrc = AS_PF_DEFER; |
return NULL; |
break; |
case AS_PF_FAULT: |
page_table_lock(AS, true); |
*pfrc = AS_PF_FAULT; |
return NULL; |
break; |
default: |
panic("Unexpected rc (%d).", rc); |
} |
} |
} |
void |
tlb_prepare_entry_lo(entry_lo_t *lo, bool g, bool v, bool d, bool cacheable, |
uintptr_t pfn) |
{ |
lo->value = 0; |
lo->g = g; |
lo->v = v; |
lo->d = d; |
lo->c = cacheable ? PAGE_CACHEABLE_EXC_WRITE : PAGE_UNCACHED; |
lo->pfn = pfn; |
} |
void tlb_prepare_entry_hi(entry_hi_t *hi, asid_t asid, uintptr_t addr) |
{ |
hi->value = ALIGN_DOWN(addr, PAGE_SIZE * 2); |
hi->asid = asid; |
} |
/** Print contents of TLB. */ |
void tlb_print(void) |
{ |
page_mask_t mask; |
entry_lo_t lo0, lo1; |
entry_hi_t hi, hi_save; |
unsigned int i; |
hi_save.value = cp0_entry_hi_read(); |
printf("# ASID VPN2 MASK G V D C PFN\n"); |
printf("-- ---- ------ ---- - - - - ------\n"); |
for (i = 0; i < TLB_ENTRY_COUNT; i++) { |
cp0_index_write(i); |
tlbr(); |
mask.value = cp0_pagemask_read(); |
hi.value = cp0_entry_hi_read(); |
lo0.value = cp0_entry_lo0_read(); |
lo1.value = cp0_entry_lo1_read(); |
printf("%-2u %-4u %#6x %#4x %1u %1u %1u %1u %#6x\n", |
i, hi.asid, hi.vpn2, mask.mask, |
lo0.g, lo0.v, lo0.d, lo0.c, lo0.pfn); |
printf(" %1u %1u %1u %1u %#6x\n", |
lo1.g, lo1.v, lo1.d, lo1.c, lo1.pfn); |
} |
cp0_entry_hi_write(hi_save.value); |
} |
/** Invalidate all not wired TLB entries. */ |
void tlb_invalidate_all(void) |
{ |
ipl_t ipl; |
entry_lo_t lo0, lo1; |
entry_hi_t hi_save; |
int i; |
hi_save.value = cp0_entry_hi_read(); |
ipl = interrupts_disable(); |
for (i = TLB_WIRED; i < TLB_ENTRY_COUNT; i++) { |
cp0_index_write(i); |
tlbr(); |
lo0.value = cp0_entry_lo0_read(); |
lo1.value = cp0_entry_lo1_read(); |
lo0.v = 0; |
lo1.v = 0; |
cp0_entry_lo0_write(lo0.value); |
cp0_entry_lo1_write(lo1.value); |
tlbwi(); |
} |
interrupts_restore(ipl); |
cp0_entry_hi_write(hi_save.value); |
} |
/** Invalidate all TLB entries belonging to specified address space. |
* |
* @param asid Address space identifier. |
*/ |
void tlb_invalidate_asid(asid_t asid) |
{ |
ipl_t ipl; |
entry_lo_t lo0, lo1; |
entry_hi_t hi, hi_save; |
int i; |
ASSERT(asid != ASID_INVALID); |
hi_save.value = cp0_entry_hi_read(); |
ipl = interrupts_disable(); |
for (i = 0; i < TLB_ENTRY_COUNT; i++) { |
cp0_index_write(i); |
tlbr(); |
hi.value = cp0_entry_hi_read(); |
if (hi.asid == asid) { |
lo0.value = cp0_entry_lo0_read(); |
lo1.value = cp0_entry_lo1_read(); |
lo0.v = 0; |
lo1.v = 0; |
cp0_entry_lo0_write(lo0.value); |
cp0_entry_lo1_write(lo1.value); |
tlbwi(); |
} |
} |
interrupts_restore(ipl); |
cp0_entry_hi_write(hi_save.value); |
} |
/** Invalidate TLB entries for specified page range belonging to specified |
* address space. |
* |
* @param asid Address space identifier. |
* @param page First page whose TLB entry is to be invalidated. |
* @param cnt Number of entries to invalidate. |
*/ |
void tlb_invalidate_pages(asid_t asid, uintptr_t page, size_t cnt) |
{ |
unsigned int i; |
ipl_t ipl; |
entry_lo_t lo0, lo1; |
entry_hi_t hi, hi_save; |
tlb_index_t index; |
ASSERT(asid != ASID_INVALID); |
hi_save.value = cp0_entry_hi_read(); |
ipl = interrupts_disable(); |
for (i = 0; i < cnt + 1; i += 2) { |
hi.value = 0; |
tlb_prepare_entry_hi(&hi, asid, page + i * PAGE_SIZE); |
cp0_entry_hi_write(hi.value); |
tlbp(); |
index.value = cp0_index_read(); |
if (!index.p) { |
/* |
* Entry was found, index register contains valid |
* index. |
*/ |
tlbr(); |
lo0.value = cp0_entry_lo0_read(); |
lo1.value = cp0_entry_lo1_read(); |
lo0.v = 0; |
lo1.v = 0; |
cp0_entry_lo0_write(lo0.value); |
cp0_entry_lo1_write(lo1.value); |
tlbwi(); |
} |
} |
interrupts_restore(ipl); |
cp0_entry_hi_write(hi_save.value); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/src/mm/frame.c |
---|
0,0 → 1,262 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32mm |
* @{ |
*/ |
/** @file |
*/ |
#include <macros.h> |
#include <arch/mm/frame.h> |
#include <arch/mm/tlb.h> |
#include <interrupt.h> |
#include <mm/frame.h> |
#include <mm/asid.h> |
#include <config.h> |
#include <arch/drivers/msim.h> |
#include <print.h> |
#define ZERO_PAGE_MASK TLB_PAGE_MASK_256K |
#define ZERO_FRAMES 2048 |
#define ZERO_PAGE_WIDTH 18 /* 256K */ |
#define ZERO_PAGE_SIZE (1 << ZERO_PAGE_WIDTH) |
#define ZERO_PAGE_ASID ASID_INVALID |
#define ZERO_PAGE_TLBI 0 |
#define ZERO_PAGE_ADDR 0 |
#define ZERO_PAGE_OFFSET (ZERO_PAGE_SIZE / sizeof(uint32_t) - 1) |
#define ZERO_PAGE_VALUE (((volatile uint32_t *) ZERO_PAGE_ADDR)[ZERO_PAGE_OFFSET]) |
#define ZERO_PAGE_VALUE_KSEG1(frame) \ |
(((volatile uint32_t *) (0xa0000000 + (frame << ZERO_PAGE_WIDTH)))[ZERO_PAGE_OFFSET]) |
#define MAX_REGIONS 32 |
typedef struct { |
pfn_t start; |
pfn_t count; |
} phys_region_t; |
static size_t phys_regions_count = 0; |
static phys_region_t phys_regions[MAX_REGIONS]; |
/** Check whether frame is available |
* |
* Returns true if given frame is generally available for use. |
* Returns false if given frame is used for physical memory |
* mapped devices and cannot be used. |
* |
*/ |
static bool frame_available(pfn_t frame) |
{ |
#ifdef MACHINE_msim |
/* MSIM device (dprinter) */ |
if (frame == (KA2PA(MSIM_VIDEORAM) >> ZERO_PAGE_WIDTH)) |
return false; |
/* MSIM device (dkeyboard) */ |
if (frame == (KA2PA(MSIM_KBD_ADDRESS) >> ZERO_PAGE_WIDTH)) |
return false; |
#endif |
#if defined(MACHINE_lgxemul) || defined(MACHINE_bgxemul) |
/* gxemul devices */ |
if (overlaps(frame << ZERO_PAGE_WIDTH, ZERO_PAGE_SIZE, |
0x10000000, MB2SIZE(256))) |
return false; |
#endif |
return true; |
} |
/** Check whether frame is safe to write |
* |
* Returns true if given frame is safe for read/write test. |
* Returns false if given frame should not be touched. |
* |
*/ |
static bool frame_safe(pfn_t frame) |
{ |
/* Kernel structures */ |
if ((frame << ZERO_PAGE_WIDTH) < KA2PA(config.base)) |
return false; |
/* Kernel */ |
if (overlaps(frame << ZERO_PAGE_WIDTH, ZERO_PAGE_SIZE, |
KA2PA(config.base), config.kernel_size)) |
return false; |
/* Kernel stack */ |
if (overlaps(frame << ZERO_PAGE_WIDTH, ZERO_PAGE_SIZE, |
KA2PA(config.stack_base), config.stack_size)) |
return false; |
/* Init tasks */ |
bool safe = true; |
size_t i; |
for (i = 0; i < init.cnt; i++) |
if (overlaps(frame << ZERO_PAGE_WIDTH, ZERO_PAGE_SIZE, |
KA2PA(init.tasks[i].addr), init.tasks[i].size)) { |
safe = false; |
break; |
} |
return safe; |
} |
static void frame_add_region(pfn_t start_frame, pfn_t end_frame) |
{ |
if (end_frame > start_frame) { |
/* Convert 1M frames to 16K frames */ |
pfn_t first = ADDR2PFN(start_frame << ZERO_PAGE_WIDTH); |
pfn_t count = ADDR2PFN((end_frame - start_frame) << ZERO_PAGE_WIDTH); |
/* Interrupt vector frame is blacklisted */ |
pfn_t conf_frame; |
if (first == 0) |
conf_frame = 1; |
else |
conf_frame = first; |
zone_create(first, count, conf_frame, 0); |
if (phys_regions_count < MAX_REGIONS) { |
phys_regions[phys_regions_count].start = first; |
phys_regions[phys_regions_count].count = count; |
phys_regions_count++; |
} |
} |
} |
/** Create memory zones |
* |
* Walk through available 256 KB chunks of physical |
* memory and create zones. |
* |
* Note: It is assumed that the TLB is not yet being |
* used in any way, thus there is no interference. |
* |
*/ |
void frame_arch_init(void) |
{ |
ipl_t ipl = interrupts_disable(); |
/* Clear and initialize TLB */ |
cp0_pagemask_write(ZERO_PAGE_MASK); |
cp0_entry_lo0_write(0); |
cp0_entry_lo1_write(0); |
cp0_entry_hi_write(0); |
size_t i; |
for (i = 0; i < TLB_ENTRY_COUNT; i++) { |
cp0_index_write(i); |
tlbwi(); |
} |
pfn_t start_frame = 0; |
pfn_t frame; |
bool avail = true; |
/* Walk through all 1 MB frames */ |
for (frame = 0; frame < ZERO_FRAMES; frame++) { |
if (!frame_available(frame)) |
avail = false; |
else { |
if (frame_safe(frame)) { |
entry_lo_t lo0; |
entry_lo_t lo1; |
entry_hi_t hi; |
tlb_prepare_entry_lo(&lo0, false, true, true, false, frame << (ZERO_PAGE_WIDTH - 12)); |
tlb_prepare_entry_lo(&lo1, false, false, false, false, 0); |
tlb_prepare_entry_hi(&hi, ZERO_PAGE_ASID, ZERO_PAGE_ADDR); |
cp0_pagemask_write(ZERO_PAGE_MASK); |
cp0_entry_lo0_write(lo0.value); |
cp0_entry_lo1_write(lo1.value); |
cp0_entry_hi_write(hi.value); |
cp0_index_write(ZERO_PAGE_TLBI); |
tlbwi(); |
ZERO_PAGE_VALUE = 0; |
if (ZERO_PAGE_VALUE != 0) |
avail = false; |
else { |
ZERO_PAGE_VALUE = 0xdeadbeef; |
if (ZERO_PAGE_VALUE != 0xdeadbeef) |
avail = false; |
#if defined(MACHINE_lgxemul) || defined(MACHINE_bgxemul) |
else { |
ZERO_PAGE_VALUE_KSEG1(frame) = 0xaabbccdd; |
if (ZERO_PAGE_VALUE_KSEG1(frame) != 0xaabbccdd) |
avail = false; |
} |
#endif |
} |
} |
} |
if (!avail) { |
frame_add_region(start_frame, frame); |
start_frame = frame + 1; |
avail = true; |
} |
} |
frame_add_region(start_frame, frame); |
/* Blacklist interrupt vector frame */ |
frame_mark_unavailable(0, 1); |
/* Cleanup */ |
cp0_pagemask_write(ZERO_PAGE_MASK); |
cp0_entry_lo0_write(0); |
cp0_entry_lo1_write(0); |
cp0_entry_hi_write(0); |
cp0_index_write(ZERO_PAGE_TLBI); |
tlbwi(); |
interrupts_restore(ipl); |
} |
void physmem_print(void) |
{ |
printf("Base Size\n"); |
printf("---------- ----------\n"); |
size_t i; |
for (i = 0; i < phys_regions_count; i++) { |
printf("%#010x %10u\n", |
PFN2ADDR(phys_regions[i].start), PFN2ADDR(phys_regions[i].count)); |
} |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/src/mm/page.c |
---|
0,0 → 1,55 |
/* |
* Copyright (c) 2003-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32mm |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/mm/page.h> |
#include <genarch/mm/page_pt.h> |
#include <mm/page.h> |
#include <mm/frame.h> |
void page_arch_init(void) |
{ |
page_mapping_operations = &pt_mapping_operations; |
} |
/** Map device into kernel space |
* - on mips, all devices are already mapped into kernel space, |
* translate the physical address to uncached area |
*/ |
uintptr_t hw_map(uintptr_t physaddr, size_t size) |
{ |
return physaddr + 0xa0000000; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/src/mm/as.c |
---|
0,0 → 1,71 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32mm |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/mm/as.h> |
#include <genarch/mm/as_pt.h> |
#include <genarch/mm/page_pt.h> |
#include <genarch/mm/asid_fifo.h> |
#include <arch/mm/tlb.h> |
#include <mm/tlb.h> |
#include <mm/as.h> |
#include <arch/cp0.h> |
/** Architecture dependent address space init. */ |
void as_arch_init(void) |
{ |
as_operations = &as_pt_operations; |
asid_fifo_init(); |
} |
/** Install address space. |
* |
* Install ASID. |
* |
* @param as Address space structure. |
*/ |
void as_install_arch(as_t *as) |
{ |
entry_hi_t hi; |
/* |
* Install ASID. |
*/ |
hi.value = cp0_entry_hi_read(); |
hi.asid = as->asid; |
cp0_entry_hi_write(hi.value); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/src/mips32.c |
---|
0,0 → 1,269 |
/* |
* Copyright (c) 2003-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch.h> |
#include <arch/cp0.h> |
#include <arch/exception.h> |
#include <mm/as.h> |
#include <userspace.h> |
#include <memstr.h> |
#include <proc/thread.h> |
#include <proc/uarg.h> |
#include <print.h> |
#include <console/console.h> |
#include <syscall/syscall.h> |
#include <sysinfo/sysinfo.h> |
#include <arch/interrupt.h> |
#include <console/chardev.h> |
#include <arch/barrier.h> |
#include <arch/debugger.h> |
#include <genarch/fb/fb.h> |
#include <genarch/fb/visuals.h> |
#include <genarch/drivers/dsrln/dsrlnin.h> |
#include <genarch/drivers/dsrln/dsrlnout.h> |
#include <genarch/srln/srln.h> |
#include <macros.h> |
#include <config.h> |
#include <string.h> |
#include <arch/drivers/msim.h> |
#include <arch/asm/regname.h> |
/* Size of the code jumping to the exception handler code |
* - J+NOP |
*/ |
#define EXCEPTION_JUMP_SIZE 8 |
#define TLB_EXC ((char *) 0x80000000) |
#define NORM_EXC ((char *) 0x80000180) |
#define CACHE_EXC ((char *) 0x80000100) |
/* Why the linker moves the variable 64K away in assembler |
* when not in .text section? |
*/ |
/* Stack pointer saved when entering user mode */ |
uintptr_t supervisor_sp __attribute__ ((section (".text"))); |
size_t cpu_count = 0; |
/** Performs mips32-specific initialization before main_bsp() is called. */ |
void arch_pre_main(void *entry __attribute__((unused)), bootinfo_t *bootinfo) |
{ |
/* Setup usermode */ |
init.cnt = bootinfo->cnt; |
size_t i; |
for (i = 0; i < min3(bootinfo->cnt, TASKMAP_MAX_RECORDS, CONFIG_INIT_TASKS); i++) { |
init.tasks[i].addr = bootinfo->tasks[i].addr; |
init.tasks[i].size = bootinfo->tasks[i].size; |
str_cpy(init.tasks[i].name, CONFIG_TASK_NAME_BUFLEN, |
bootinfo->tasks[i].name); |
} |
for (i = 0; i < CPUMAP_MAX_RECORDS; i++) { |
if ((bootinfo->cpumap & (1 << i)) != 0) |
cpu_count++; |
} |
} |
void arch_pre_mm_init(void) |
{ |
/* It is not assumed by default */ |
interrupts_disable(); |
/* Initialize dispatch table */ |
exception_init(); |
/* Copy the exception vectors to the right places */ |
memcpy(TLB_EXC, (char *) tlb_refill_entry, EXCEPTION_JUMP_SIZE); |
smc_coherence_block(TLB_EXC, EXCEPTION_JUMP_SIZE); |
memcpy(NORM_EXC, (char *) exception_entry, EXCEPTION_JUMP_SIZE); |
smc_coherence_block(NORM_EXC, EXCEPTION_JUMP_SIZE); |
memcpy(CACHE_EXC, (char *) cache_error_entry, EXCEPTION_JUMP_SIZE); |
smc_coherence_block(CACHE_EXC, EXCEPTION_JUMP_SIZE); |
/* |
* Switch to BEV normal level so that exception vectors point to the |
* kernel. Clear the error level. |
*/ |
cp0_status_write(cp0_status_read() & |
~(cp0_status_bev_bootstrap_bit | cp0_status_erl_error_bit)); |
/* |
* Mask all interrupts |
*/ |
cp0_mask_all_int(); |
debugger_init(); |
} |
void arch_post_mm_init(void) |
{ |
interrupt_init(); |
#ifdef CONFIG_FB |
/* GXemul framebuffer */ |
fb_properties_t gxemul_prop = { |
.addr = 0x12000000, |
.offset = 0, |
.x = 640, |
.y = 480, |
.scan = 1920, |
.visual = VISUAL_BGR_8_8_8, |
}; |
fb_init(&gxemul_prop); |
#else |
#ifdef CONFIG_MIPS_PRN |
dsrlnout_init((ioport8_t *) MSIM_KBD_ADDRESS); |
#endif /* CONFIG_MIPS_PRN */ |
#endif /* CONFIG_FB */ |
} |
void arch_post_cpu_init(void) |
{ |
} |
void arch_pre_smp_init(void) |
{ |
} |
void arch_post_smp_init(void) |
{ |
#ifdef CONFIG_MIPS_KBD |
/* |
* Initialize the msim/GXemul keyboard port. Then initialize the serial line |
* module and connect it to the msim/GXemul keyboard. Enable keyboard interrupts. |
*/ |
dsrlnin_instance_t *dsrlnin_instance |
= dsrlnin_init((dsrlnin_t *) MSIM_KBD_ADDRESS, MSIM_KBD_IRQ); |
if (dsrlnin_instance) { |
srln_instance_t *srln_instance = srln_init(); |
if (srln_instance) { |
indev_t *sink = stdin_wire(); |
indev_t *srln = srln_wire(srln_instance, sink); |
dsrlnin_wire(dsrlnin_instance, srln); |
cp0_unmask_int(MSIM_KBD_IRQ); |
} |
} |
/* |
* This is the necessary evil until the userspace driver is entirely |
* self-sufficient. |
*/ |
sysinfo_set_item_val("kbd", NULL, true); |
sysinfo_set_item_val("kbd.inr", NULL, MSIM_KBD_IRQ); |
sysinfo_set_item_val("kbd.address.virtual", NULL, MSIM_KBD_ADDRESS); |
#endif |
} |
void calibrate_delay_loop(void) |
{ |
} |
void userspace(uspace_arg_t *kernel_uarg) |
{ |
/* EXL = 1, UM = 1, IE = 1 */ |
cp0_status_write(cp0_status_read() | (cp0_status_exl_exception_bit | |
cp0_status_um_bit | cp0_status_ie_enabled_bit)); |
cp0_epc_write((uintptr_t) kernel_uarg->uspace_entry); |
userspace_asm(((uintptr_t) kernel_uarg->uspace_stack + PAGE_SIZE), |
(uintptr_t) kernel_uarg->uspace_uarg, |
(uintptr_t) kernel_uarg->uspace_entry); |
while (1); |
} |
/** Perform mips32 specific tasks needed before the new task is run. */ |
void before_task_runs_arch(void) |
{ |
} |
/** Perform mips32 specific tasks needed before the new thread is scheduled. */ |
void before_thread_runs_arch(void) |
{ |
supervisor_sp = (uintptr_t) &THREAD->kstack[THREAD_STACK_SIZE - |
SP_DELTA]; |
} |
void after_thread_ran_arch(void) |
{ |
} |
/** Set thread-local-storage pointer |
* |
* We have it currently in K1, it is |
* possible to have it separately in the future. |
*/ |
unative_t sys_tls_set(unative_t addr) |
{ |
return 0; |
} |
void arch_reboot(void) |
{ |
___halt(); |
while (1); |
} |
/** Construct function pointer |
* |
* @param fptr function pointer structure |
* @param addr function address |
* @param caller calling function address |
* |
* @return address of the function pointer |
* |
*/ |
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
{ |
return addr; |
} |
void arch_grab_console(void) |
{ |
#ifdef CONFIG_FB |
fb_redraw(); |
#endif |
} |
/** Return console to userspace |
* |
*/ |
void arch_release_console(void) |
{ |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/src/asm.S |
---|
0,0 → 1,314 |
# |
# Copyright (c) 2003-2004 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include <arch/asm/regname.h> |
.text |
.macro cp0_read reg |
mfc0 $2, \reg |
j $31 |
nop |
.endm |
.macro cp0_write reg |
mtc0 $4, \reg |
j $31 |
nop |
.endm |
.set noat |
.set noreorder |
.set nomacro |
.global asm_delay_loop |
asm_delay_loop: |
j $31 |
nop |
.global cpu_halt |
cpu_halt: |
j cpu_halt |
nop |
.global memsetb |
memsetb: |
j _memsetb |
nop |
.global memsetw |
memsetw: |
j _memsetw |
nop |
.global memcpy |
.global memcpy_from_uspace |
.global memcpy_to_uspace |
.global memcpy_from_uspace_failover_address |
.global memcpy_to_uspace_failover_address |
memcpy: |
memcpy_from_uspace: |
memcpy_to_uspace: |
move $t2, $a0 # save dst |
addiu $v0, $a1, 3 |
li $v1, -4 # 0xfffffffffffffffc |
and $v0, $v0, $v1 |
beq $a1, $v0, 3f |
move $t0, $a0 |
0: |
beq $a2, $zero, 2f |
move $a3, $zero |
1: |
addu $v0, $a1, $a3 |
lbu $a0, 0($v0) |
addu $v1, $t0, $a3 |
addiu $a3, $a3, 1 |
bne $a3, $a2, 1b |
sb $a0, 0($v1) |
2: |
jr $ra |
move $v0, $t2 |
3: |
addiu $v0, $a0, 3 |
and $v0, $v0, $v1 |
bne $a0, $v0, 0b |
srl $t1, $a2, 2 |
beq $t1, $zero, 5f |
move $a3, $zero |
move $a3, $zero |
move $a0, $zero |
4: |
addu $v0, $a1, $a0 |
lw $v1, 0($v0) |
addiu $a3, $a3, 1 |
addu $v0, $t0, $a0 |
sw $v1, 0($v0) |
bne $a3, $t1, 4b |
addiu $a0, $a0, 4 |
5: |
andi $a2, $a2, 0x3 |
beq $a2, $zero, 2b |
nop |
sll $v0, $a3, 2 |
addu $t1, $v0, $t0 |
move $a3, $zero |
addu $t0, $v0, $a1 |
6: |
addu $v0, $t0, $a3 |
lbu $a0, 0($v0) |
addu $v1, $t1, $a3 |
addiu $a3, $a3, 1 |
bne $a3, $a2, 6b |
sb $a0, 0($v1) |
jr $ra |
move $v0, $t2 |
memcpy_from_uspace_failover_address: |
memcpy_to_uspace_failover_address: |
jr $ra |
move $v0, $zero |
.macro fpu_gp_save reg ctx |
mfc1 $t0, $\reg |
sw $t0, \reg * 4(\ctx) |
.endm |
.macro fpu_gp_restore reg ctx |
lw $t0, \reg * 4(\ctx) |
mtc1 $t0, $\reg |
.endm |
.macro fpu_ct_save reg ctx |
cfc1 $t0, $1 |
sw $t0, (\reg + 32) * 4(\ctx) |
.endm |
.macro fpu_ct_restore reg ctx |
lw $t0, (\reg + 32) * 4(\ctx) |
ctc1 $t0, $\reg |
.endm |
.global fpu_context_save |
fpu_context_save: |
#ifdef CONFIG_FPU |
fpu_gp_save 0, $a0 |
fpu_gp_save 1, $a0 |
fpu_gp_save 2, $a0 |
fpu_gp_save 3, $a0 |
fpu_gp_save 4, $a0 |
fpu_gp_save 5, $a0 |
fpu_gp_save 6, $a0 |
fpu_gp_save 7, $a0 |
fpu_gp_save 8, $a0 |
fpu_gp_save 9, $a0 |
fpu_gp_save 10, $a0 |
fpu_gp_save 11, $a0 |
fpu_gp_save 12, $a0 |
fpu_gp_save 13, $a0 |
fpu_gp_save 14, $a0 |
fpu_gp_save 15, $a0 |
fpu_gp_save 16, $a0 |
fpu_gp_save 17, $a0 |
fpu_gp_save 18, $a0 |
fpu_gp_save 19, $a0 |
fpu_gp_save 20, $a0 |
fpu_gp_save 21, $a0 |
fpu_gp_save 22, $a0 |
fpu_gp_save 23, $a0 |
fpu_gp_save 24, $a0 |
fpu_gp_save 25, $a0 |
fpu_gp_save 26, $a0 |
fpu_gp_save 27, $a0 |
fpu_gp_save 28, $a0 |
fpu_gp_save 29, $a0 |
fpu_gp_save 30, $a0 |
fpu_gp_save 31, $a0 |
fpu_ct_save 1, $a0 |
fpu_ct_save 2, $a0 |
fpu_ct_save 3, $a0 |
fpu_ct_save 4, $a0 |
fpu_ct_save 5, $a0 |
fpu_ct_save 6, $a0 |
fpu_ct_save 7, $a0 |
fpu_ct_save 8, $a0 |
fpu_ct_save 9, $a0 |
fpu_ct_save 10, $a0 |
fpu_ct_save 11, $a0 |
fpu_ct_save 12, $a0 |
fpu_ct_save 13, $a0 |
fpu_ct_save 14, $a0 |
fpu_ct_save 15, $a0 |
fpu_ct_save 16, $a0 |
fpu_ct_save 17, $a0 |
fpu_ct_save 18, $a0 |
fpu_ct_save 19, $a0 |
fpu_ct_save 20, $a0 |
fpu_ct_save 21, $a0 |
fpu_ct_save 22, $a0 |
fpu_ct_save 23, $a0 |
fpu_ct_save 24, $a0 |
fpu_ct_save 25, $a0 |
fpu_ct_save 26, $a0 |
fpu_ct_save 27, $a0 |
fpu_ct_save 28, $a0 |
fpu_ct_save 29, $a0 |
fpu_ct_save 30, $a0 |
fpu_ct_save 31, $a0 |
#endif |
j $ra |
nop |
.global fpu_context_restore |
fpu_context_restore: |
#ifdef CONFIG_FPU |
fpu_gp_restore 0, $a0 |
fpu_gp_restore 1, $a0 |
fpu_gp_restore 2, $a0 |
fpu_gp_restore 3, $a0 |
fpu_gp_restore 4, $a0 |
fpu_gp_restore 5, $a0 |
fpu_gp_restore 6, $a0 |
fpu_gp_restore 7, $a0 |
fpu_gp_restore 8, $a0 |
fpu_gp_restore 9, $a0 |
fpu_gp_restore 10, $a0 |
fpu_gp_restore 11, $a0 |
fpu_gp_restore 12, $a0 |
fpu_gp_restore 13, $a0 |
fpu_gp_restore 14, $a0 |
fpu_gp_restore 15, $a0 |
fpu_gp_restore 16, $a0 |
fpu_gp_restore 17, $a0 |
fpu_gp_restore 18, $a0 |
fpu_gp_restore 19, $a0 |
fpu_gp_restore 20, $a0 |
fpu_gp_restore 21, $a0 |
fpu_gp_restore 22, $a0 |
fpu_gp_restore 23, $a0 |
fpu_gp_restore 24, $a0 |
fpu_gp_restore 25, $a0 |
fpu_gp_restore 26, $a0 |
fpu_gp_restore 27, $a0 |
fpu_gp_restore 28, $a0 |
fpu_gp_restore 29, $a0 |
fpu_gp_restore 30, $a0 |
fpu_gp_restore 31, $a0 |
fpu_ct_restore 1, $a0 |
fpu_ct_restore 2, $a0 |
fpu_ct_restore 3, $a0 |
fpu_ct_restore 4, $a0 |
fpu_ct_restore 5, $a0 |
fpu_ct_restore 6, $a0 |
fpu_ct_restore 7, $a0 |
fpu_ct_restore 8, $a0 |
fpu_ct_restore 9, $a0 |
fpu_ct_restore 10, $a0 |
fpu_ct_restore 11, $a0 |
fpu_ct_restore 12, $a0 |
fpu_ct_restore 13, $a0 |
fpu_ct_restore 14, $a0 |
fpu_ct_restore 15, $a0 |
fpu_ct_restore 16, $a0 |
fpu_ct_restore 17, $a0 |
fpu_ct_restore 18, $a0 |
fpu_ct_restore 19, $a0 |
fpu_ct_restore 20, $a0 |
fpu_ct_restore 21, $a0 |
fpu_ct_restore 22, $a0 |
fpu_ct_restore 23, $a0 |
fpu_ct_restore 24, $a0 |
fpu_ct_restore 25, $a0 |
fpu_ct_restore 26, $a0 |
fpu_ct_restore 27, $a0 |
fpu_ct_restore 28, $a0 |
fpu_ct_restore 29, $a0 |
fpu_ct_restore 30, $a0 |
fpu_ct_restore 31, $a0 |
#endif |
j $ra |
nop |
/branches/arm/kernel/arch/mips32/src/exception.c |
---|
0,0 → 1,194 |
/* |
* Copyright (c) 2003-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/exception.h> |
#include <arch/interrupt.h> |
#include <arch/mm/tlb.h> |
#include <panic.h> |
#include <arch/cp0.h> |
#include <arch/types.h> |
#include <arch.h> |
#include <debug.h> |
#include <proc/thread.h> |
#include <print.h> |
#include <interrupt.h> |
#include <func.h> |
#include <ddi/irq.h> |
#include <arch/debugger.h> |
#include <symtab.h> |
static char * exctable[] = { |
"Interrupt", |
"TLB Modified", |
"TLB Invalid", |
"TLB Invalid Store", |
"Address Error - load/instr. fetch", |
"Address Error - store", |
"Bus Error - fetch instruction", |
"Bus Error - data reference", |
"Syscall", |
"BreakPoint", |
"Reserved Instruction", |
"Coprocessor Unusable", |
"Arithmetic Overflow", |
"Trap", |
"Virtual Coherency - instruction", |
"Floating Point", |
NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
"WatchHi/WatchLo", /* 23 */ |
NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
"Virtual Coherency - data", |
}; |
static void print_regdump(istate_t *istate) |
{ |
char *pcsymbol, *rasymbol; |
pcsymbol = symtab_fmt_name_lookup(istate->epc); |
rasymbol = symtab_fmt_name_lookup(istate->ra); |
printf("PC: %#x(%s) RA: %#x(%s), SP(%p)\n", istate->epc, pcsymbol, |
istate->ra, rasymbol, istate->sp); |
} |
static void unhandled_exception(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "Unhandled exception %s.", exctable[n]); |
print_regdump(istate); |
panic("Unhandled exception %s.", exctable[n]); |
} |
static void reserved_instr_exception(int n, istate_t *istate) |
{ |
if (*((uint32_t *)istate->epc) == 0x7c03e83b) { |
ASSERT(THREAD); |
istate->epc += 4; |
istate->v1 = istate->k1; |
} else |
unhandled_exception(n, istate); |
} |
static void breakpoint_exception(int n, istate_t *istate) |
{ |
#ifdef CONFIG_DEBUG |
debugger_bpoint(istate); |
#else |
/* it is necessary to not re-execute BREAK instruction after |
returning from Exception handler |
(see page 138 in R4000 Manual for more information) */ |
istate->epc += 4; |
#endif |
} |
static void tlbmod_exception(int n, istate_t *istate) |
{ |
tlb_modified(istate); |
} |
static void tlbinv_exception(int n, istate_t *istate) |
{ |
tlb_invalid(istate); |
} |
#ifdef CONFIG_FPU_LAZY |
static void cpuns_exception(int n, istate_t *istate) |
{ |
if (cp0_cause_coperr(cp0_cause_read()) == fpu_cop_id) |
scheduler_fpu_lazy_request(); |
else { |
fault_if_from_uspace(istate, "Unhandled Coprocessor Unusable Exception."); |
panic("Unhandled Coprocessor Unusable Exception."); |
} |
} |
#endif |
static void interrupt_exception(int n, istate_t *istate) |
{ |
uint32_t cause; |
int i; |
/* decode interrupt number and process the interrupt */ |
cause = (cp0_cause_read() >> 8) & 0xff; |
for (i = 0; i < 8; i++) { |
if (cause & (1 << i)) { |
irq_t *irq = irq_dispatch_and_lock(i); |
if (irq) { |
/* |
* The IRQ handler was found. |
*/ |
irq->handler(irq); |
spinlock_unlock(&irq->lock); |
} else { |
/* |
* Spurious interrupt. |
*/ |
#ifdef CONFIG_DEBUG |
printf("cpu%u: spurious interrupt (inum=%d)\n", |
CPU->id, i); |
#endif |
} |
} |
} |
} |
/** Handle syscall userspace call */ |
static void syscall_exception(int n, istate_t *istate) |
{ |
panic("Syscall is handled through shortcut."); |
} |
void exception_init(void) |
{ |
int i; |
/* Clear exception table */ |
for (i = 0; i < IVT_ITEMS; i++) |
exc_register(i, "undef", (iroutine) unhandled_exception); |
exc_register(EXC_Bp, "bkpoint", (iroutine) breakpoint_exception); |
exc_register(EXC_RI, "resinstr", (iroutine) reserved_instr_exception); |
exc_register(EXC_Mod, "tlb_mod", (iroutine) tlbmod_exception); |
exc_register(EXC_TLBL, "tlbinvl", (iroutine) tlbinv_exception); |
exc_register(EXC_TLBS, "tlbinvl", (iroutine) tlbinv_exception); |
exc_register(EXC_Int, "interrupt", (iroutine) interrupt_exception); |
#ifdef CONFIG_FPU_LAZY |
exc_register(EXC_CpU, "cpunus", (iroutine) cpuns_exception); |
#endif |
exc_register(EXC_Sys, "syscall", (iroutine) syscall_exception); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/src/debugger.c |
---|
0,0 → 1,407 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32debug |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/debugger.h> |
#include <arch/barrier.h> |
#include <memstr.h> |
#include <console/kconsole.h> |
#include <console/cmd.h> |
#include <print.h> |
#include <panic.h> |
#include <arch.h> |
#include <arch/cp0.h> |
#include <func.h> |
#include <symtab.h> |
bpinfo_t breakpoints[BKPOINTS_MAX]; |
SPINLOCK_INITIALIZE(bkpoint_lock); |
#ifdef CONFIG_KCONSOLE |
static int cmd_print_breakpoints(cmd_arg_t *argv); |
static cmd_info_t bkpts_info = { |
.name = "bkpts", |
.description = "Print breakpoint table.", |
.func = cmd_print_breakpoints, |
.argc = 0, |
}; |
static int cmd_del_breakpoint(cmd_arg_t *argv); |
static cmd_arg_t del_argv = { |
.type = ARG_TYPE_INT |
}; |
static cmd_info_t delbkpt_info = { |
.name = "delbkpt", |
.description = "delbkpt <number> - Delete breakpoint.", |
.func = cmd_del_breakpoint, |
.argc = 1, |
.argv = &del_argv |
}; |
static int cmd_add_breakpoint(cmd_arg_t *argv); |
static cmd_arg_t add_argv = { |
.type = ARG_TYPE_INT |
}; |
static cmd_info_t addbkpt_info = { |
.name = "addbkpt", |
.description = "addbkpt <&symbol> - new bkpoint. Break on J/Branch " |
"insts unsupported.", |
.func = cmd_add_breakpoint, |
.argc = 1, |
.argv = &add_argv |
}; |
static cmd_arg_t adde_argv[] = { |
{ .type = ARG_TYPE_INT }, |
{ .type = ARG_TYPE_INT } |
}; |
static cmd_info_t addbkpte_info = { |
.name = "addbkpte", |
.description = "addebkpte <&symbol> <&func> - new bkpoint. Call " |
"func(or Nothing if 0).", |
.func = cmd_add_breakpoint, |
.argc = 2, |
.argv = adde_argv |
}; |
static struct { |
uint32_t andmask; |
uint32_t value; |
} jmpinstr[] = { |
{0xf3ff0000, 0x41000000}, /* BCzF */ |
{0xf3ff0000, 0x41020000}, /* BCzFL */ |
{0xf3ff0000, 0x41010000}, /* BCzT */ |
{0xf3ff0000, 0x41030000}, /* BCzTL */ |
{0xfc000000, 0x10000000}, /* BEQ */ |
{0xfc000000, 0x50000000}, /* BEQL */ |
{0xfc1f0000, 0x04010000}, /* BEQL */ |
{0xfc1f0000, 0x04110000}, /* BGEZAL */ |
{0xfc1f0000, 0x04130000}, /* BGEZALL */ |
{0xfc1f0000, 0x04030000}, /* BGEZL */ |
{0xfc1f0000, 0x1c000000}, /* BGTZ */ |
{0xfc1f0000, 0x5c000000}, /* BGTZL */ |
{0xfc1f0000, 0x18000000}, /* BLEZ */ |
{0xfc1f0000, 0x58000000}, /* BLEZL */ |
{0xfc1f0000, 0x04000000}, /* BLTZ */ |
{0xfc1f0000, 0x04100000}, /* BLTZAL */ |
{0xfc1f0000, 0x04120000}, /* BLTZALL */ |
{0xfc1f0000, 0x04020000}, /* BLTZL */ |
{0xfc000000, 0x14000000}, /* BNE */ |
{0xfc000000, 0x54000000}, /* BNEL */ |
{0xfc000000, 0x08000000}, /* J */ |
{0xfc000000, 0x0c000000}, /* JAL */ |
{0xfc1f07ff, 0x00000009}, /* JALR */ |
{0, 0} /* EndOfTable */ |
}; |
/** Test, if the given instruction is a jump or branch instruction |
* |
* @param instr Instruction code |
* @return true - it is jump instruction, false otherwise |
* |
*/ |
static bool is_jump(unative_t instr) |
{ |
int i; |
for (i = 0; jmpinstr[i].andmask; i++) { |
if ((instr & jmpinstr[i].andmask) == jmpinstr[i].value) |
return true; |
} |
return false; |
} |
/** Add new breakpoint to table */ |
int cmd_add_breakpoint(cmd_arg_t *argv) |
{ |
bpinfo_t *cur = NULL; |
ipl_t ipl; |
int i; |
if (argv->intval & 0x3) { |
printf("Not aligned instruction, forgot to use &symbol?\n"); |
return 1; |
} |
ipl = interrupts_disable(); |
spinlock_lock(&bkpoint_lock); |
/* Check, that the breakpoints do not conflict */ |
for (i = 0; i < BKPOINTS_MAX; i++) { |
if (breakpoints[i].address == (uintptr_t)argv->intval) { |
printf("Duplicate breakpoint %d.\n", i); |
spinlock_unlock(&bkpoint_lock); |
return 0; |
} else if (breakpoints[i].address == (uintptr_t)argv->intval + |
sizeof(unative_t) || breakpoints[i].address == |
(uintptr_t)argv->intval - sizeof(unative_t)) { |
printf("Adjacent breakpoints not supported, conflict " |
"with %d.\n", i); |
spinlock_unlock(&bkpoint_lock); |
return 0; |
} |
} |
for (i = 0; i < BKPOINTS_MAX; i++) |
if (!breakpoints[i].address) { |
cur = &breakpoints[i]; |
break; |
} |
if (!cur) { |
printf("Too many breakpoints.\n"); |
spinlock_unlock(&bkpoint_lock); |
interrupts_restore(ipl); |
return 0; |
} |
cur->address = (uintptr_t) argv->intval; |
printf("Adding breakpoint on address: %p\n", argv->intval); |
cur->instruction = ((unative_t *)cur->address)[0]; |
cur->nextinstruction = ((unative_t *)cur->address)[1]; |
if (argv == &add_argv) { |
cur->flags = 0; |
} else { /* We are add extended */ |
cur->flags = BKPOINT_FUNCCALL; |
cur->bkfunc = (void (*)(void *, istate_t *)) argv[1].intval; |
} |
if (is_jump(cur->instruction)) |
cur->flags |= BKPOINT_ONESHOT; |
cur->counter = 0; |
/* Set breakpoint */ |
*((unative_t *)cur->address) = 0x0d; |
smc_coherence(cur->address); |
spinlock_unlock(&bkpoint_lock); |
interrupts_restore(ipl); |
return 1; |
} |
/** Remove breakpoint from table */ |
int cmd_del_breakpoint(cmd_arg_t *argv) |
{ |
bpinfo_t *cur; |
ipl_t ipl; |
if (argv->intval > BKPOINTS_MAX) { |
printf("Invalid breakpoint number.\n"); |
return 0; |
} |
ipl = interrupts_disable(); |
spinlock_lock(&bkpoint_lock); |
cur = &breakpoints[argv->intval]; |
if (!cur->address) { |
printf("Breakpoint does not exist.\n"); |
spinlock_unlock(&bkpoint_lock); |
interrupts_restore(ipl); |
return 0; |
} |
if ((cur->flags & BKPOINT_INPROG) && (cur->flags & BKPOINT_ONESHOT)) { |
printf("Cannot remove one-shot breakpoint in-progress\n"); |
spinlock_unlock(&bkpoint_lock); |
interrupts_restore(ipl); |
return 0; |
} |
((uint32_t *)cur->address)[0] = cur->instruction; |
smc_coherence(((uint32_t *)cur->address)[0]); |
((uint32_t *)cur->address)[1] = cur->nextinstruction; |
smc_coherence(((uint32_t *)cur->address)[1]); |
cur->address = NULL; |
spinlock_unlock(&bkpoint_lock); |
interrupts_restore(ipl); |
return 1; |
} |
/** Print table of active breakpoints */ |
int cmd_print_breakpoints(cmd_arg_t *argv) |
{ |
unsigned int i; |
char *symbol; |
printf("# Count Address INPROG ONESHOT FUNCCALL In symbol\n"); |
printf("-- ----- ---------- ------ ------- -------- ---------\n"); |
for (i = 0; i < BKPOINTS_MAX; i++) |
if (breakpoints[i].address) { |
symbol = symtab_fmt_name_lookup( |
breakpoints[i].address); |
printf("%-2u %-5d %#10zx %-6s %-7s %-8s %s\n", i, |
breakpoints[i].counter, breakpoints[i].address, |
((breakpoints[i].flags & BKPOINT_INPROG) ? "true" : |
"false"), ((breakpoints[i].flags & BKPOINT_ONESHOT) |
? "true" : "false"), ((breakpoints[i].flags & |
BKPOINT_FUNCCALL) ? "true" : "false"), symbol); |
} |
return 1; |
} |
#endif |
/** Initialize debugger */ |
void debugger_init() |
{ |
int i; |
for (i = 0; i < BKPOINTS_MAX; i++) |
breakpoints[i].address = NULL; |
#ifdef CONFIG_KCONSOLE |
cmd_initialize(&bkpts_info); |
if (!cmd_register(&bkpts_info)) |
printf("Cannot register command %s\n", bkpts_info.name); |
cmd_initialize(&delbkpt_info); |
if (!cmd_register(&delbkpt_info)) |
printf("Cannot register command %s\n", delbkpt_info.name); |
cmd_initialize(&addbkpt_info); |
if (!cmd_register(&addbkpt_info)) |
printf("Cannot register command %s\n", addbkpt_info.name); |
cmd_initialize(&addbkpte_info); |
if (!cmd_register(&addbkpte_info)) |
printf("Cannot register command %s\n", addbkpte_info.name); |
#endif |
} |
/** Handle breakpoint |
* |
* Find breakpoint in breakpoint table. |
* If found, call kconsole, set break on next instruction and reexecute. |
* If we are on "next instruction", set it back on the first and reexecute. |
* If breakpoint not found in breakpoint table, call kconsole and start |
* next instruction. |
*/ |
void debugger_bpoint(istate_t *istate) |
{ |
bpinfo_t *cur = NULL; |
uintptr_t fireaddr = istate->epc; |
int i; |
/* test branch delay slot */ |
if (cp0_cause_read() & 0x80000000) |
panic("Breakpoint in branch delay slot not supported."); |
spinlock_lock(&bkpoint_lock); |
for (i = 0; i < BKPOINTS_MAX; i++) { |
/* Normal breakpoint */ |
if (fireaddr == breakpoints[i].address && |
!(breakpoints[i].flags & BKPOINT_REINST)) { |
cur = &breakpoints[i]; |
break; |
} |
/* Reinst only breakpoint */ |
if ((breakpoints[i].flags & BKPOINT_REINST) && |
(fireaddr == breakpoints[i].address + sizeof(unative_t))) { |
cur = &breakpoints[i]; |
break; |
} |
} |
if (cur) { |
if (cur->flags & BKPOINT_REINST) { |
/* Set breakpoint on first instruction */ |
((uint32_t *)cur->address)[0] = 0x0d; |
smc_coherence(((uint32_t *)cur->address)[0]); |
/* Return back the second */ |
((uint32_t *)cur->address)[1] = cur->nextinstruction; |
smc_coherence(((uint32_t *)cur->address)[1]); |
cur->flags &= ~BKPOINT_REINST; |
spinlock_unlock(&bkpoint_lock); |
return; |
} |
if (cur->flags & BKPOINT_INPROG) |
printf("Warning: breakpoint recursion\n"); |
if (!(cur->flags & BKPOINT_FUNCCALL)) { |
printf("***Breakpoint %d: %p in %s.\n", i, fireaddr, |
symtab_fmt_name_lookup(istate->epc)); |
} |
/* Return first instruction back */ |
((uint32_t *)cur->address)[0] = cur->instruction; |
smc_coherence(cur->address); |
if (! (cur->flags & BKPOINT_ONESHOT)) { |
/* Set Breakpoint on next instruction */ |
((uint32_t *)cur->address)[1] = 0x0d; |
cur->flags |= BKPOINT_REINST; |
} |
cur->flags |= BKPOINT_INPROG; |
} else { |
printf("***Breakpoint %d: %p in %s.\n", i, fireaddr, |
symtab_fmt_name_lookup(fireaddr)); |
/* Move on to next instruction */ |
istate->epc += 4; |
} |
if (cur) |
cur->counter++; |
if (cur && (cur->flags & BKPOINT_FUNCCALL)) { |
/* Allow zero bkfunc, just for counting */ |
if (cur->bkfunc) |
cur->bkfunc(cur, istate); |
} else { |
#ifdef CONFIG_KCONSOLE |
/* This disables all other processors - we are not SMP, |
* actually this gets us to cpu_halt, if scheduler() is run |
* - we generally do not want scheduler to be run from debug, |
* so this is a good idea |
*/ |
atomic_set(&haltstate, 1); |
spinlock_unlock(&bkpoint_lock); |
kconsole("debug", "Debug console ready.\n", false); |
spinlock_lock(&bkpoint_lock); |
atomic_set(&haltstate, 0); |
#endif |
} |
if (cur && cur->address == fireaddr && (cur->flags & BKPOINT_INPROG)) { |
/* Remove one-shot breakpoint */ |
if ((cur->flags & BKPOINT_ONESHOT)) |
cur->address = NULL; |
/* Remove in-progress flag */ |
cur->flags &= ~BKPOINT_INPROG; |
} |
spinlock_unlock(&bkpoint_lock); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/src/interrupt.c |
---|
0,0 → 1,155 |
/* |
* Copyright (c) 2003-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32interrupt |
* @{ |
*/ |
/** @file |
*/ |
#include <interrupt.h> |
#include <arch/interrupt.h> |
#include <arch/types.h> |
#include <arch.h> |
#include <arch/cp0.h> |
#include <time/clock.h> |
#include <ipc/sysipc.h> |
#include <ddi/device.h> |
#define IRQ_COUNT 8 |
#define TIMER_IRQ 7 |
#define DORDER_IRQ 5 |
function virtual_timer_fnc = NULL; |
static irq_t timer_irq; |
/** Disable interrupts. |
* |
* @return Old interrupt priority level. |
*/ |
ipl_t interrupts_disable(void) |
{ |
ipl_t ipl = (ipl_t) cp0_status_read(); |
cp0_status_write(ipl & ~cp0_status_ie_enabled_bit); |
return ipl; |
} |
/** Enable interrupts. |
* |
* @return Old interrupt priority level. |
*/ |
ipl_t interrupts_enable(void) |
{ |
ipl_t ipl = (ipl_t) cp0_status_read(); |
cp0_status_write(ipl | cp0_status_ie_enabled_bit); |
return ipl; |
} |
/** Restore interrupt priority level. |
* |
* @param ipl Saved interrupt priority level. |
*/ |
void interrupts_restore(ipl_t ipl) |
{ |
cp0_status_write(cp0_status_read() | (ipl & cp0_status_ie_enabled_bit)); |
} |
/** Read interrupt priority level. |
* |
* @return Current interrupt priority level. |
*/ |
ipl_t interrupts_read(void) |
{ |
return cp0_status_read(); |
} |
/* TODO: This is SMP unsafe!!! */ |
uint32_t count_hi = 0; |
static unsigned long nextcount; |
static unsigned long lastcount; |
/** Start hardware clock */ |
static void timer_start(void) |
{ |
lastcount = cp0_count_read(); |
nextcount = cp0_compare_value + cp0_count_read(); |
cp0_compare_write(nextcount); |
} |
static irq_ownership_t timer_claim(irq_t *irq) |
{ |
return IRQ_ACCEPT; |
} |
static void timer_irq_handler(irq_t *irq) |
{ |
unsigned long drift; |
if (cp0_count_read() < lastcount) |
/* Count overflow detected */ |
count_hi++; |
lastcount = cp0_count_read(); |
drift = cp0_count_read() - nextcount; |
while (drift > cp0_compare_value) { |
drift -= cp0_compare_value; |
CPU->missed_clock_ticks++; |
} |
nextcount = cp0_count_read() + cp0_compare_value - drift; |
cp0_compare_write(nextcount); |
/* |
* We are holding a lock which prevents preemption. |
* Release the lock, call clock() and reacquire the lock again. |
*/ |
spinlock_unlock(&irq->lock); |
clock(); |
spinlock_lock(&irq->lock); |
if (virtual_timer_fnc != NULL) |
virtual_timer_fnc(); |
} |
/* Initialize basic tables for exception dispatching */ |
void interrupt_init(void) |
{ |
irq_init(IRQ_COUNT, IRQ_COUNT); |
irq_initialize(&timer_irq); |
timer_irq.devno = device_assign_devno(); |
timer_irq.inr = TIMER_IRQ; |
timer_irq.claim = timer_claim; |
timer_irq.handler = timer_irq_handler; |
irq_register(&timer_irq); |
timer_start(); |
cp0_unmask_int(TIMER_IRQ); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/src/start.S |
---|
0,0 → 1,313 |
# |
# Copyright (c) 2003-2004 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include <arch/asm/regname.h> |
#include <arch/mm/page.h> |
#include <arch/asm/boot.h> |
#include <arch/context_offset.h> |
#include <arch/stack.h> |
.text |
.set noat |
.set noreorder |
.set nomacro |
.global kernel_image_start |
.global tlb_refill_entry |
.global cache_error_entry |
.global exception_entry |
.global userspace_asm |
# Which status bits should are thread-local |
#define REG_SAVE_MASK 0x1f # KSU(UM), EXL, ERL, IE |
# Save registers to space defined by \r |
# We will change status: Disable ERL,EXL,UM,IE |
# These changes will be automatically reversed in REGISTER_LOAD |
# SP is NOT saved as part of these registers |
.macro REGISTERS_STORE_AND_EXC_RESET r |
sw $at, EOFFSET_AT(\r) |
sw $v0, EOFFSET_V0(\r) |
sw $v1, EOFFSET_V1(\r) |
sw $a0, EOFFSET_A0(\r) |
sw $a1, EOFFSET_A1(\r) |
sw $a2, EOFFSET_A2(\r) |
sw $a3, EOFFSET_A3(\r) |
sw $t0, EOFFSET_T0(\r) |
sw $t1, EOFFSET_T1(\r) |
sw $t2, EOFFSET_T2(\r) |
sw $t3, EOFFSET_T3(\r) |
sw $t4, EOFFSET_T4(\r) |
sw $t5, EOFFSET_T5(\r) |
sw $t6, EOFFSET_T6(\r) |
sw $t7, EOFFSET_T7(\r) |
sw $t8, EOFFSET_T8(\r) |
sw $t9, EOFFSET_T9(\r) |
mflo $at |
sw $at, EOFFSET_LO(\r) |
mfhi $at |
sw $at, EOFFSET_HI(\r) |
sw $gp, EOFFSET_GP(\r) |
sw $ra, EOFFSET_RA(\r) |
sw $k1, EOFFSET_K1(\r) |
mfc0 $t0, $status |
mfc0 $t1, $epc |
and $t2, $t0, REG_SAVE_MASK # Save only KSU,EXL,ERL,IE |
li $t3, ~(0x1f) |
and $t0, $t0, $t3 # Clear KSU,EXL,ERL,IE |
sw $t2,EOFFSET_STATUS(\r) |
sw $t1,EOFFSET_EPC(\r) |
mtc0 $t0, $status |
.endm |
.macro REGISTERS_LOAD r |
# Update only UM,EXR,IE from status, the rest |
# is controlled by OS and not bound to task |
mfc0 $t0, $status |
lw $t1,EOFFSET_STATUS(\r) |
li $t2, ~REG_SAVE_MASK # Mask UM,EXL,ERL,IE |
and $t0, $t0, $t2 |
or $t0, $t0, $t1 # Copy UM,EXL, ERL, IE from saved status |
mtc0 $t0, $status |
lw $v0, EOFFSET_V0(\r) |
lw $v1, EOFFSET_V1(\r) |
lw $a0, EOFFSET_A0(\r) |
lw $a1, EOFFSET_A1(\r) |
lw $a2, EOFFSET_A2(\r) |
lw $a3, EOFFSET_A3(\r) |
lw $t0, EOFFSET_T0(\r) |
lw $t1, EOFFSET_T1(\r) |
lw $t2, EOFFSET_T2(\r) |
lw $t3, EOFFSET_T3(\r) |
lw $t4, EOFFSET_T4(\r) |
lw $t5, EOFFSET_T5(\r) |
lw $t6, EOFFSET_T6(\r) |
lw $t7, EOFFSET_T7(\r) |
lw $t8, EOFFSET_T8(\r) |
lw $t9, EOFFSET_T9(\r) |
lw $gp, EOFFSET_GP(\r) |
lw $ra, EOFFSET_RA(\r) |
lw $k1, EOFFSET_K1(\r) |
lw $at, EOFFSET_LO(\r) |
mtlo $at |
lw $at, EOFFSET_HI(\r) |
mthi $at |
lw $at, EOFFSET_EPC(\r) |
mtc0 $at, $epc |
lw $at, EOFFSET_AT(\r) |
lw $sp, EOFFSET_SP(\r) |
.endm |
# Move kernel stack pointer address to register K0 |
# - if we are in user mode, load the appropriate stack |
# address |
.macro KERNEL_STACK_TO_K0 |
# If we are in user mode |
mfc0 $k0, $status |
andi $k0, 0x10 |
beq $k0, $0, 1f |
add $k0, $sp, 0 |
# Move $k0 pointer to kernel stack |
lui $k0, %hi(supervisor_sp) |
ori $k0, $k0, %lo(supervisor_sp) |
# Move $k0 (superveisor_sp) |
lw $k0, 0($k0) |
1: |
.endm |
.org 0x0 |
kernel_image_start: |
/* Load temporary stack */ |
lui $sp, %hi(end_stack) |
ori $sp, $sp, %lo(end_stack) |
/* Not sure about this, but might |
be needed for PIC code */ |
lui $gp, 0x8000 |
/* $a1 contains physical address of bootinfo_t */ |
jal arch_pre_main |
nop |
j main_bsp |
nop |
.space TEMP_STACK_SIZE |
end_stack: |
tlb_refill_entry: |
j tlb_refill_handler |
nop |
cache_error_entry: |
j cache_error_handler |
nop |
exception_entry: |
j exception_handler |
nop |
exception_handler: |
KERNEL_STACK_TO_K0 |
sub $k0, REGISTER_SPACE |
sw $sp, EOFFSET_SP($k0) |
move $sp, $k0 |
mfc0 $k0, $cause |
sra $k0, $k0, 0x2 # cp0_exc_cause() part 1 |
andi $k0, $k0, 0x1f # cp0_exc_cause() part 2 |
sub $k0, 8 # 8 = SYSCALL |
beqz $k0, syscall_shortcut |
add $k0, 8 # Revert $k0 back to correct exc number |
REGISTERS_STORE_AND_EXC_RESET $sp |
move $a1, $sp |
jal exc_dispatch # exc_dispatch(excno, register_space) |
move $a0, $k0 |
REGISTERS_LOAD $sp |
# The $sp is automatically restored to former value |
eret |
## Syscall entry |
# |
# Registers: |
# |
# @param v0 Syscall number. |
# @param a0 1st argument. |
# @param a1 2nd argument. |
# @param a2 3rd argument. |
# @param a3 4th argument. |
# @param t0 5th argument. |
# @param t1 6th argument. |
# |
# @return The return value will be stored in v0. |
# |
#define SS_SP EOFFSET_SP |
#define SS_STATUS EOFFSET_STATUS |
#define SS_EPC EOFFSET_EPC |
#define SS_K1 EOFFSET_K1 |
syscall_shortcut: |
# We have a lot of space on the stack, with free use |
mfc0 $t3, $epc |
mfc0 $t2, $status |
sw $t3, SS_EPC($sp) # Save EPC |
sw $k1, SS_K1($sp) # Save k1 not saved on context switch |
and $t4, $t2, REG_SAVE_MASK # Save only KSU, EXL, ERL, IE |
li $t5, ~(0x1f) |
and $t2, $t2, $t5 # Clear KSU, EXL, ERL |
ori $t2, $t2, 0x1 # Set IE |
sw $t4, SS_STATUS($sp) |
mtc0 $t2, $status |
# |
# Call the higher level system call handler |
# We are going to reuse part of the unused exception stack frame |
# |
sw $t0, STACK_ARG4($sp) # save the 5th argument on the stack |
sw $t1, STACK_ARG5($sp) # save the 6th argument on the stack |
jal syscall_handler |
sw $v0, STACK_ARG6($sp) # save the syscall number on the stack |
# restore status |
mfc0 $t2, $status |
lw $t3, SS_STATUS($sp) |
# Change back to EXL = 1 (from last exception), otherwise |
# an interrupt could rewrite the CP0 - EPC |
li $t4, ~REG_SAVE_MASK # Mask UM, EXL, ERL, IE |
and $t2, $t2, $t4 |
or $t2, $t2, $t3 # Copy saved UM, EXL, ERL, IE |
mtc0 $t2, $status |
# restore epc + 4 |
lw $t2, SS_EPC($sp) |
lw $k1, SS_K1($sp) |
addi $t2, $t2, 4 |
mtc0 $t2, $epc |
lw $sp, SS_SP($sp) # restore sp |
eret |
tlb_refill_handler: |
KERNEL_STACK_TO_K0 |
sub $k0, REGISTER_SPACE |
REGISTERS_STORE_AND_EXC_RESET $k0 |
sw $sp,EOFFSET_SP($k0) |
add $sp, $k0, 0 |
jal tlb_refill |
add $a0, $sp, 0 |
REGISTERS_LOAD $sp |
eret |
cache_error_handler: |
KERNEL_STACK_TO_K0 |
sub $k0, REGISTER_SPACE |
REGISTERS_STORE_AND_EXC_RESET $k0 |
sw $sp,EOFFSET_SP($k0) |
add $sp, $k0, 0 |
jal cache_error |
add $a0, $sp, 0 |
REGISTERS_LOAD $sp |
eret |
userspace_asm: |
add $sp, $a0, 0 |
add $v0, $a1, 0 |
add $t9, $a2, 0 # Set up correct entry into PIC code |
xor $a0, $a0, $a0 # $a0 is defined to hold pcb_ptr |
# set it to 0 |
eret |
/branches/arm/kernel/arch/mips32/src/smp/smp.c |
---|
0,0 → 1,53 |
/* |
* Copyright (c) 2009 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#include <config.h> |
#include <smp/smp.h> |
#include <arch/arch.h> |
#ifdef CONFIG_SMP |
void smp_init(void) |
{ |
config.cpu_count = cpu_count; |
} |
void kmp(void *arg __attribute__((unused))) |
{ |
} |
#endif /* CONFIG_SMP */ |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/src/smp/dorder.c |
---|
0,0 → 1,47 |
/* |
* Copyright (c) 2007 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/smp/dorder.h> |
#define MSIM_DORDER_ADDRESS 0xB0000004 |
void ipi_broadcast_arch(int ipi) |
{ |
#ifdef CONFIG_SMP |
*((volatile unsigned int *) MSIM_DORDER_ADDRESS) = 0x7FFFFFFF; |
#endif |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/src/fpu_context.c |
---|
0,0 → 1,61 |
/* |
* Copyright (c) 2005 Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
* |
*/ |
#include <fpu_context.h> |
#include <arch.h> |
#include <arch/cp0.h> |
#include <proc/thread.h> |
void fpu_disable(void) |
{ |
#ifdef CONFIG_FPU |
cp0_status_write(cp0_status_read() & ~cp0_status_fpu_bit); |
#endif |
} |
void fpu_enable(void) |
{ |
#ifdef CONFIG_FPU |
cp0_status_write(cp0_status_read() | cp0_status_fpu_bit); |
#endif |
} |
void fpu_init() |
{ |
/* TODO: Zero all registers */ |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/src/cache.c |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2003-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/cache.h> |
#include <arch/exception.h> |
#include <panic.h> |
void cache_error(istate_t *istate) |
{ |
panic("cache_error exception (epc=%p).", istate->epc); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/src/cpu/cpu.c |
---|
0,0 → 1,132 |
/* |
* Copyright (c) 2003-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/cpu.h> |
#include <cpu.h> |
#include <arch.h> |
#include <arch/cp0.h> |
#include <print.h> |
struct data_t { |
char *vendor; |
char *model; |
}; |
static struct data_t imp_data[] = { |
{ "Invalid", "Invalid" }, /* 0x00 */ |
{ "MIPS", "R2000" }, /* 0x01 */ |
{ "MIPS", "R3000" }, /* 0x02 */ |
{ "MIPS", "R6000" }, /* 0x03 */ |
{ "MIPS", "R4000/R4400" }, /* 0x04 */ |
{ "LSI Logic", "R3000" }, /* 0x05 */ |
{ "MIPS", "R6000A" }, /* 0x06 */ |
{ "IDT", "3051/3052" }, /* 0x07 */ |
{ "Invalid", "Invalid" }, /* 0x08 */ |
{ "MIPS", "R10000/T5" }, /* 0x09 */ |
{ "MIPS", "R4200" }, /* 0x0a */ |
{ "Unknown", "Unknown" }, /* 0x0b */ |
{ "Unknown", "Unknown" }, /* 0x0c */ |
{ "Invalid", "Invalid" }, /* 0x0d */ |
{ "Invalid", "Invalid" }, /* 0x0e */ |
{ "Invalid", "Invalid" }, /* 0x0f */ |
{ "MIPS", "R8000" }, /* 0x10 */ |
{ "Invalid", "Invalid" }, /* 0x11 */ |
{ "Invalid", "Invalid" }, /* 0x12 */ |
{ "Invalid", "Invalid" }, /* 0x13 */ |
{ "Invalid", "Invalid" }, /* 0x14 */ |
{ "Invalid", "Invalid" }, /* 0x15 */ |
{ "Invalid", "Invalid" }, /* 0x16 */ |
{ "Invalid", "Invalid" }, /* 0x17 */ |
{ "Invalid", "Invalid" }, /* 0x18 */ |
{ "Invalid", "Invalid" }, /* 0x19 */ |
{ "Invalid", "Invalid" }, /* 0x1a */ |
{ "Invalid", "Invalid" }, /* 0x1b */ |
{ "Invalid", "Invalid" }, /* 0x1c */ |
{ "Invalid", "Invalid" }, /* 0x1d */ |
{ "Invalid", "Invalid" }, /* 0x1e */ |
{ "Invalid", "Invalid" }, /* 0x1f */ |
{ "QED", "R4600" }, /* 0x20 */ |
{ "Sony", "R3000" }, /* 0x21 */ |
{ "Toshiba", "R3000" }, /* 0x22 */ |
{ "NKK", "R3000" }, /* 0x23 */ |
{ NULL, NULL } |
}; |
static struct data_t imp_data80[] = { |
{ "MIPS", "4Kc" }, /* 0x80 */ |
{"Invalid","Invalid"}, /* 0x81 */ |
{"Invalid","Invalid"}, /* 0x82 */ |
{"MIPS","4Km & 4Kp"}, /* 0x83 */ |
{ NULL, NULL} |
}; |
void cpu_arch_init(void) |
{ |
} |
void cpu_identify(void) |
{ |
CPU->arch.rev_num = cp0_prid_read() & 0xff; |
CPU->arch.imp_num = (cp0_prid_read() >> 8) & 0xff; |
} |
void cpu_print_report(cpu_t *m) |
{ |
struct data_t *data; |
unsigned int i; |
if (m->arch.imp_num & 0x80) { |
/* Count records */ |
for (i = 0; imp_data80[i].vendor; i++); |
if ((m->arch.imp_num & 0x7f) >= i) { |
printf("imp=%d\n", m->arch.imp_num); |
return; |
} |
data = &imp_data80[m->arch.imp_num & 0x7f]; |
} else { |
for (i = 0; imp_data[i].vendor; i++); |
if (m->arch.imp_num >= i) { |
printf("imp=%d\n", m->arch.imp_num); |
return; |
} |
data = &imp_data[m->arch.imp_num]; |
} |
printf("cpu%u: %s %s (rev=%d.%d, imp=%d)\n", |
m->id, data->vendor, data->model, m->arch.rev_num >> 4, |
m->arch.rev_num & 0x0f, m->arch.imp_num); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/src/context.S |
---|
0,0 → 1,53 |
# |
# Copyright (c) 2003-2004 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include <arch/context_offset.h> |
.text |
.set noat |
.set noreorder |
.set nomacro |
.global context_save_arch |
.global context_restore_arch |
context_save_arch: |
CONTEXT_SAVE_ARCH_CORE $a0 |
# context_save returns 1 |
j $31 |
li $2, 1 |
context_restore_arch: |
CONTEXT_RESTORE_ARCH_CORE $a0 |
# context_restore returns 0 |
j $31 |
xor $2, $2 |
/branches/arm/kernel/arch/mips32/src/ddi/ddi.c |
---|
0,0 → 1,58 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32ddi |
* @{ |
*/ |
/** @file |
*/ |
#include <ddi/ddi.h> |
#include <proc/task.h> |
#include <arch/types.h> |
#include <security/cap.h> |
#include <arch.h> |
#include <arch/cp0.h> |
/** Enable I/O space range for task. |
* |
* Interrupts are disabled and task is locked. |
* |
* @param task Task. |
* @param ioaddr Startign I/O space address. |
* @param size Size of the enabled I/O range. |
* |
* @return 0 on success or an error code from errno.h. |
*/ |
int ddi_iospace_enable_arch(task_t *task, uintptr_t ioaddr, size_t size) |
{ |
return 0; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/mips32/src/panic.S |
---|
0,0 → 1,48 |
# |
# Copyright (c) 2003-2004 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
.text |
.set noat |
.set noreorder |
.set nomacro |
#include <arch/asm/regname.h> |
.global panic_printf |
/* From printf return directly to halt() */ |
panic_printf: |
jal printf |
nop |
j halt |
nop |
/* This code does not work, god knows why */ |
/* lui $ra, %hi(halt) |
j printf |
ori $ra, %lo(halt) */ |
/branches/arm/kernel/arch/mips32/_link.ld.in |
---|
0,0 → 1,55 |
/* |
* MIPS32 linker script |
* |
* kernel text |
* kernel data |
* |
*/ |
#undef mips |
#define mips mips |
#define KERNEL_LOAD_ADDRESS 0x80100000 |
OUTPUT_ARCH(mips) |
ENTRY(kernel_image_start) |
SECTIONS { |
. = KERNEL_LOAD_ADDRESS; |
.text : { |
ktext_start = .; |
*(.text); |
ktext_end = .; |
} |
.data : { |
kdata_start = .; |
*(.data); /* initialized data */ |
hardcoded_ktext_size = .; |
LONG(ktext_end - ktext_start); |
hardcoded_kdata_size = .; |
LONG(kdata_end - kdata_start); |
hardcoded_load_address = .; |
LONG(KERNEL_LOAD_ADDRESS); |
*(.rodata*); |
*(.sdata); |
*(.reginfo); |
*(.sbss); |
*(.scommon); |
*(.bss); /* uninitialized static variables */ |
*(COMMON); /* global variables */ |
symbol_table = .; |
*(symtab.*); |
} |
_gp = . + 0x8000; |
.lit8 : { *(.lit8) } |
.lit4 : { *(.lit4) } |
kdata_end = .; |
/DISCARD/ : { |
*(.mdebug*); |
*(.pdr); |
*(.comment); |
*(.note); |
} |
} |
/branches/arm/kernel/arch/ia64/include/mm/tlb.h |
---|
0,0 → 1,101 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_TLB_H_ |
#define KERN_ia64_TLB_H_ |
#include <arch/mm/page.h> |
#include <arch/mm/asid.h> |
#include <arch/interrupt.h> |
#include <arch/types.h> |
/** Data and instruction Translation Register indices. */ |
#define DTR_KERNEL 0 |
#define ITR_KERNEL 0 |
#define DTR_KSTACK1 4 |
#define DTR_KSTACK2 5 |
/** Portion of TLB insertion format data structure. */ |
union tlb_entry { |
uint64_t word[2]; |
struct { |
/* Word 0 */ |
unsigned p : 1; /**< Present. */ |
unsigned : 1; |
unsigned ma : 3; /**< Memory attribute. */ |
unsigned a : 1; /**< Accessed. */ |
unsigned d : 1; /**< Dirty. */ |
unsigned pl : 2; /**< Privilege level. */ |
unsigned ar : 3; /**< Access rights. */ |
unsigned long long ppn : 38; /**< Physical Page Number, a.k.a. PFN. */ |
unsigned : 2; |
unsigned ed : 1; |
unsigned ig1 : 11; |
/* Word 1 */ |
unsigned : 2; |
unsigned ps : 6; /**< Page size will be 2^ps. */ |
unsigned key : 24; /**< Protection key, unused. */ |
unsigned : 32; |
} __attribute__ ((packed)); |
} __attribute__ ((packed)); |
typedef union tlb_entry tlb_entry_t; |
extern void tc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtc); |
extern void dtc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry); |
extern void itc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry); |
extern void tr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtr, size_t tr); |
extern void dtr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, size_t tr); |
extern void itr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, size_t tr); |
extern void dtlb_kernel_mapping_insert(uintptr_t page, uintptr_t frame, bool dtr, size_t tr); |
extern void dtr_purge(uintptr_t page, size_t width); |
extern void dtc_pte_copy(pte_t *t); |
extern void itc_pte_copy(pte_t *t); |
extern void alternate_instruction_tlb_fault(uint64_t vector, istate_t *istate); |
extern void alternate_data_tlb_fault(uint64_t vector, istate_t *istate); |
extern void data_nested_tlb_fault(uint64_t vector, istate_t *istate); |
extern void data_dirty_bit_fault(uint64_t vector, istate_t *istate); |
extern void instruction_access_bit_fault(uint64_t vector, istate_t *istate); |
extern void data_access_bit_fault(uint64_t vector, istate_t *istate); |
extern void data_access_rights_fault(uint64_t vector, istate_t *istate); |
extern void page_not_present(uint64_t vector, istate_t *istate); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/mm/page.h |
---|
0,0 → 1,301 |
/* |
* Copyright (c) 2005 - 2006 Jakub Jermar |
* Copyright (c) 2006 Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_PAGE_H_ |
#define KERN_ia64_PAGE_H_ |
#include <arch/mm/frame.h> |
#define PAGE_SIZE FRAME_SIZE |
#define PAGE_WIDTH FRAME_WIDTH |
#ifdef KERNEL |
/** Bit width of the TLB-locked portion of kernel address space. */ |
#define KERNEL_PAGE_WIDTH 28 /* 256M */ |
#define IO_PAGE_WIDTH 26 /* 64M */ |
#define FW_PAGE_WIDTH 28 /* 256M */ |
#define USPACE_IO_PAGE_WIDTH 12 /* 4K */ |
/* |
* Statically mapped IO spaces - offsets to 0xe...00 of virtual addresses |
* because of "minimal virtual bits implemented is 51" it is possible to |
* have values up to 0x0007000000000000 |
*/ |
/* Firmware area (bellow 4GB in phys mem) */ |
#define FW_OFFSET 0x00000000F0000000 |
/* Legacy IO space */ |
#define IO_OFFSET 0x0001000000000000 |
/* Videoram - now mapped to 0 as VGA text mode vram on 0xb8000 */ |
#define VIO_OFFSET 0x0002000000000000 |
#define PPN_SHIFT 12 |
#define VRN_SHIFT 61 |
#define VRN_MASK (7LL << VRN_SHIFT) |
#define VA2VRN(va) ((va)>>VRN_SHIFT) |
#ifdef __ASM__ |
#define VRN_KERNEL 7 |
#else |
#define VRN_KERNEL 7LL |
#endif |
#define REGION_REGISTERS 8 |
#define KA2PA(x) ((uintptr_t) (x - (VRN_KERNEL << VRN_SHIFT))) |
#define PA2KA(x) ((uintptr_t) (x + (VRN_KERNEL << VRN_SHIFT))) |
#define VHPT_WIDTH 20 /* 1M */ |
#define VHPT_SIZE (1 << VHPT_WIDTH) |
#define PTA_BASE_SHIFT 15 |
/** Memory Attributes. */ |
#define MA_WRITEBACK 0x0 |
#define MA_UNCACHEABLE 0x4 |
/** Privilege Levels. Only the most and the least privileged ones are ever used. */ |
#define PL_KERNEL 0x0 |
#define PL_USER 0x3 |
/* Access Rigths. Only certain combinations are used by the kernel. */ |
#define AR_READ 0x0 |
#define AR_EXECUTE 0x1 |
#define AR_WRITE 0x2 |
#ifndef __ASM__ |
#include <arch/mm/as.h> |
#include <arch/mm/frame.h> |
#include <arch/interrupt.h> |
#include <arch/barrier.h> |
#include <arch/mm/asid.h> |
#include <arch/types.h> |
#include <debug.h> |
struct vhpt_tag_info { |
unsigned long long tag : 63; |
unsigned ti : 1; |
} __attribute__ ((packed)); |
union vhpt_tag { |
struct vhpt_tag_info tag_info; |
unsigned tag_word; |
}; |
struct vhpt_entry_present { |
/* Word 0 */ |
unsigned p : 1; |
unsigned : 1; |
unsigned ma : 3; |
unsigned a : 1; |
unsigned d : 1; |
unsigned pl : 2; |
unsigned ar : 3; |
unsigned long long ppn : 38; |
unsigned : 2; |
unsigned ed : 1; |
unsigned ig1 : 11; |
/* Word 1 */ |
unsigned : 2; |
unsigned ps : 6; |
unsigned key : 24; |
unsigned : 32; |
/* Word 2 */ |
union vhpt_tag tag; |
/* Word 3 */ |
uint64_t ig3 : 64; |
} __attribute__ ((packed)); |
struct vhpt_entry_not_present { |
/* Word 0 */ |
unsigned p : 1; |
unsigned long long ig0 : 52; |
unsigned ig1 : 11; |
/* Word 1 */ |
unsigned : 2; |
unsigned ps : 6; |
unsigned long long ig2 : 56; |
/* Word 2 */ |
union vhpt_tag tag; |
/* Word 3 */ |
uint64_t ig3 : 64; |
} __attribute__ ((packed)); |
typedef union vhpt_entry { |
struct vhpt_entry_present present; |
struct vhpt_entry_not_present not_present; |
uint64_t word[4]; |
} vhpt_entry_t; |
struct region_register_map { |
unsigned ve : 1; |
unsigned : 1; |
unsigned ps : 6; |
unsigned rid : 24; |
unsigned : 32; |
} __attribute__ ((packed)); |
typedef union region_register { |
struct region_register_map map; |
unsigned long long word; |
} region_register; |
struct pta_register_map { |
unsigned ve : 1; |
unsigned : 1; |
unsigned size : 6; |
unsigned vf : 1; |
unsigned : 6; |
unsigned long long base : 49; |
} __attribute__ ((packed)); |
typedef union pta_register { |
struct pta_register_map map; |
uint64_t word; |
} pta_register; |
/** Return Translation Hashed Entry Address. |
* |
* VRN bits are used to read RID (ASID) from one |
* of the eight region registers registers. |
* |
* @param va Virtual address including VRN bits. |
* |
* @return Address of the head of VHPT collision chain. |
*/ |
static inline uint64_t thash(uint64_t va) |
{ |
uint64_t ret; |
asm volatile ("thash %0 = %1\n" : "=r" (ret) : "r" (va)); |
return ret; |
} |
/** Return Translation Hashed Entry Tag. |
* |
* VRN bits are used to read RID (ASID) from one |
* of the eight region registers. |
* |
* @param va Virtual address including VRN bits. |
* |
* @return The unique tag for VPN and RID in the collision chain returned by thash(). |
*/ |
static inline uint64_t ttag(uint64_t va) |
{ |
uint64_t ret; |
asm volatile ("ttag %0 = %1\n" : "=r" (ret) : "r" (va)); |
return ret; |
} |
/** Read Region Register. |
* |
* @param i Region register index. |
* |
* @return Current contents of rr[i]. |
*/ |
static inline uint64_t rr_read(size_t i) |
{ |
uint64_t ret; |
ASSERT(i < REGION_REGISTERS); |
asm volatile ("mov %0 = rr[%1]\n" : "=r" (ret) : "r" (i << VRN_SHIFT)); |
return ret; |
} |
/** Write Region Register. |
* |
* @param i Region register index. |
* @param v Value to be written to rr[i]. |
*/ |
static inline void rr_write(size_t i, uint64_t v) |
{ |
ASSERT(i < REGION_REGISTERS); |
asm volatile ( |
"mov rr[%0] = %1\n" |
: |
: "r" (i << VRN_SHIFT), "r" (v) |
); |
} |
/** Read Page Table Register. |
* |
* @return Current value stored in PTA. |
*/ |
static inline uint64_t pta_read(void) |
{ |
uint64_t ret; |
asm volatile ("mov %0 = cr.pta\n" : "=r" (ret)); |
return ret; |
} |
/** Write Page Table Register. |
* |
* @param v New value to be stored in PTA. |
*/ |
static inline void pta_write(uint64_t v) |
{ |
asm volatile ("mov cr.pta = %0\n" : : "r" (v)); |
} |
extern void page_arch_init(void); |
extern vhpt_entry_t *vhpt_hash(uintptr_t page, asid_t asid); |
extern bool vhpt_compare(uintptr_t page, asid_t asid, vhpt_entry_t *v); |
extern void vhpt_set_record(vhpt_entry_t *v, uintptr_t page, asid_t asid, uintptr_t frame, int flags); |
#endif /* __ASM__ */ |
#endif /* KERNEL */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/mm/frame.h |
---|
0,0 → 1,59 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_FRAME_H_ |
#define KERN_ia64_FRAME_H_ |
#define FRAME_WIDTH 14 /* 16K */ |
#define FRAME_SIZE (1 << FRAME_WIDTH) |
#ifdef KERNEL |
#ifndef __ASM__ |
#include <arch/types.h> |
extern uintptr_t last_frame; |
extern void frame_arch_init(void); |
#define physmem_print() |
#define ARCH_STACK_FRAMES TWO_FRAMES |
#endif /* __ASM__ */ |
#endif /* KERNEL */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/mm/vhpt.h |
---|
0,0 → 1,60 |
/* |
* Copyright (c) 2006 Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_VHPT_H_ |
#define KERN_ia64_VHPT_H_ |
#include <arch/mm/tlb.h> |
#include <arch/mm/page.h> |
uintptr_t vhpt_set_up(void); |
static inline vhpt_entry_t tlb_entry_t2vhpt_entry_t(tlb_entry_t tentry) |
{ |
vhpt_entry_t ventry; |
ventry.word[0] = tentry.word[0]; |
ventry.word[1] = tentry.word[1]; |
return ventry; |
} |
void vhpt_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry); |
void vhpt_invalidate_all(void); |
void vhpt_invalidate_asid(asid_t asid); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/mm/as.h |
---|
0,0 → 1,63 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_AS_H_ |
#define KERN_ia64_AS_H_ |
#define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 0 |
#define KERNEL_ADDRESS_SPACE_START_ARCH (unsigned long) 0xe000000000000000ULL |
#define KERNEL_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffffULL |
#define USER_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000ULL |
#define USER_ADDRESS_SPACE_END_ARCH (unsigned long) 0xdfffffffffffffffULL |
#define USTACK_ADDRESS_ARCH 0x0000000ff0000000ULL |
typedef struct { |
} as_arch_t; |
#include <genarch/mm/as_ht.h> |
#define as_constructor_arch(as, flags) (as != as) |
#define as_destructor_arch(as) (as != as) |
#define as_create_arch(as, flags) (as != as) |
#define as_deinstall_arch(as) |
#define as_invalidate_translation_cache(as, page, cnt) |
extern void as_arch_init(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/mm/asid.h |
---|
0,0 → 1,66 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_ASID_H_ |
#define KERN_ia64_ASID_H_ |
#ifndef __ASM__ |
#include <arch/types.h> |
typedef uint16_t asid_t; |
typedef uint32_t rid_t; |
#endif /* __ASM__ */ |
/** |
* Number of ia64 RIDs (Region Identifiers) per kernel ASID. |
* Note that some architectures may support more bits, |
* but those extra bits are not used by the kernel. |
*/ |
#define RIDS_PER_ASID 7 |
#define RID_MAX 262143 /* 2^18 - 1 */ |
#define RID_KERNEL 0 |
#define RID_INVALID 1 |
#define ASID2RID(asid, vrn) (((asid)>RIDS_PER_ASID)?(((asid)*RIDS_PER_ASID)+(vrn)):(asid)) |
#define RID2ASID(rid) ((rid)/RIDS_PER_ASID) |
#define ASID_MAX_ARCH (RID_MAX/RIDS_PER_ASID) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/types.h |
---|
0,0 → 1,95 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_TYPES_H_ |
#define KERN_ia64_TYPES_H_ |
typedef signed char int8_t; |
typedef signed short int16_t; |
typedef signed int int32_t; |
typedef signed long int64_t; |
typedef struct { |
int64_t lo; |
int64_t hi; |
} int128_t; |
typedef unsigned char uint8_t; |
typedef unsigned short uint16_t; |
typedef unsigned int uint32_t; |
typedef unsigned long uint64_t; |
typedef struct { |
uint64_t lo; |
uint64_t hi; |
} uint128_t; |
typedef uint64_t size_t; |
typedef uint64_t uintptr_t; |
typedef uint64_t pfn_t; |
typedef uint64_t ipl_t; |
typedef uint64_t unative_t; |
typedef int64_t native_t; |
typedef struct { |
unative_t fnc; |
unative_t gp; |
} fncptr_t; |
#define PRIp "lx" /**< Format for uintptr_t. */ |
#define PRIs "lu" /**< Format for size_t. */ |
#define PRId8 "d" /**< Format for int8_t. */ |
#define PRId16 "d" /**< Format for int16_t. */ |
#define PRId32 "d" /**< Format for int32_t. */ |
#define PRId64 "ld" /**< Format for int64_t. */ |
#define PRIdn "d" /**< Format for native_t. */ |
#define PRIu8 "u" /**< Format for uint8_t. */ |
#define PRIu16 "u" /**< Format for uint16_t. */ |
#define PRIu32 "u" /**< Format for uint32_t. */ |
#define PRIu64 "lu" /**< Format for uint64_t. */ |
#define PRIun "u" /**< Format for unative_t. */ |
#define PRIx8 "x" /**< Format for hexadecimal (u)int8_t. */ |
#define PRIx16 "x" /**< Format for hexadecimal (u)int16_t. */ |
#define PRIx32 "x" /**< Format for hexadecimal (u)uint32_t. */ |
#define PRIx64 "lx" /**< Format for hexadecimal (u)int64_t. */ |
#define PRIxn "x" /**< Format for hexadecimal (u)native_t. */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/arch.h |
---|
0,0 → 1,47 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_ARCH_H_ |
#define KERN_ia64_ARCH_H_ |
#define LOADED_PROG_STACK_PAGES_NO 2 |
#include <arch/drivers/ski.h> |
extern void arch_pre_main(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/drivers/ski.h |
---|
0,0 → 1,56 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_SKI_H_ |
#define KERN_ia64_SKI_H_ |
#include <console/chardev.h> |
#include <proc/thread.h> |
typedef struct { |
thread_t *thread; |
indev_t *srlnin; |
} ski_instance_t; |
extern void skiout_init(void); |
extern ski_instance_t *skiin_init(void); |
extern void skiin_wire(ski_instance_t *, indev_t *); |
extern void ski_kbd_grab(void); |
extern void ski_kbd_release(void); |
#endif |
/** @} |
*/ |
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/arch/ia64/include/drivers/kbd.h |
---|
0,0 → 1,46 |
/* |
* Copyright (c) 2006 Jakub Jermar, Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia6464 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_KBD_H_ |
#define KERN_ia64_KBD_H_ |
#define KBD_UNKNOWN 0 |
#define KBD_SKI 1 |
#define KBD_LEGACY 2 |
#define KBD_NS16550 3 |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/drivers/it.h |
---|
0,0 → 1,51 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_IT_H_ |
#define KERN_ia64_IT_H_ |
/* |
* Unfortunately, Ski does not emulate PAL, |
* so we can't read the real frequency ratios |
* from firmware. |
* |
*/ |
#define IT_DELTA it_delta |
extern void it_init(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/asm.h |
---|
0,0 → 1,364 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_ASM_H_ |
#define KERN_ia64_ASM_H_ |
#include <config.h> |
#include <typedefs.h> |
#include <arch/types.h> |
#include <arch/register.h> |
#define IA64_IOSPACE_ADDRESS 0xE001000000000000ULL |
static inline void pio_write_8(ioport8_t *port, uint8_t v) |
{ |
uintptr_t prt = (uintptr_t) port; |
*((ioport8_t *)(IA64_IOSPACE_ADDRESS + |
((prt & 0xfff) | ((prt >> 2) << 12)))) = v; |
asm volatile ("mf\n" ::: "memory"); |
} |
static inline void pio_write_16(ioport16_t *port, uint16_t v) |
{ |
uintptr_t prt = (uintptr_t) port; |
*((ioport16_t *)(IA64_IOSPACE_ADDRESS + |
((prt & 0xfff) | ((prt >> 2) << 12)))) = v; |
asm volatile ("mf\n" ::: "memory"); |
} |
static inline void pio_write_32(ioport32_t *port, uint32_t v) |
{ |
uintptr_t prt = (uintptr_t) port; |
*((ioport32_t *)(IA64_IOSPACE_ADDRESS + |
((prt & 0xfff) | ((prt >> 2) << 12)))) = v; |
asm volatile ("mf\n" ::: "memory"); |
} |
static inline uint8_t pio_read_8(ioport8_t *port) |
{ |
uintptr_t prt = (uintptr_t) port; |
asm volatile ("mf\n" ::: "memory"); |
return *((ioport8_t *)(IA64_IOSPACE_ADDRESS + |
((prt & 0xfff) | ((prt >> 2) << 12)))); |
} |
static inline uint16_t pio_read_16(ioport16_t *port) |
{ |
uintptr_t prt = (uintptr_t) port; |
asm volatile ("mf\n" ::: "memory"); |
return *((ioport16_t *)(IA64_IOSPACE_ADDRESS + |
((prt & 0xfff) | ((prt >> 2) << 12)))); |
} |
static inline uint32_t pio_read_32(ioport32_t *port) |
{ |
uintptr_t prt = (uintptr_t) port; |
asm volatile ("mf\n" ::: "memory"); |
return *((ioport32_t *)(IA64_IOSPACE_ADDRESS + |
((prt & 0xfff) | ((prt >> 2) << 12)))); |
} |
/** Return base address of current stack |
* |
* Return the base address of the current stack. |
* The stack is assumed to be STACK_SIZE long. |
* The stack must start on page boundary. |
*/ |
static inline uintptr_t get_stack_base(void) |
{ |
uint64_t v; |
//I'm not sure why but this code bad inlines in scheduler, |
//so THE shifts about 16B and causes kernel panic |
//asm volatile ("and %0 = %1, r12" : "=r" (v) : "r" (~(STACK_SIZE-1))); |
//return v; |
//this code have the same meaning but inlines well |
asm volatile ("mov %0 = r12" : "=r" (v) ); |
return v & (~(STACK_SIZE-1)); |
} |
/** Return Processor State Register. |
* |
* @return PSR. |
*/ |
static inline uint64_t psr_read(void) |
{ |
uint64_t v; |
asm volatile ("mov %0 = psr\n" : "=r" (v)); |
return v; |
} |
/** Read IVA (Interruption Vector Address). |
* |
* @return Return location of interruption vector table. |
*/ |
static inline uint64_t iva_read(void) |
{ |
uint64_t v; |
asm volatile ("mov %0 = cr.iva\n" : "=r" (v)); |
return v; |
} |
/** Write IVA (Interruption Vector Address) register. |
* |
* @param v New location of interruption vector table. |
*/ |
static inline void iva_write(uint64_t v) |
{ |
asm volatile ("mov cr.iva = %0\n" : : "r" (v)); |
} |
/** Read IVR (External Interrupt Vector Register). |
* |
* @return Highest priority, pending, unmasked external interrupt vector. |
*/ |
static inline uint64_t ivr_read(void) |
{ |
uint64_t v; |
asm volatile ("mov %0 = cr.ivr\n" : "=r" (v)); |
return v; |
} |
static inline uint64_t cr64_read(void) |
{ |
uint64_t v; |
asm volatile ("mov %0 = cr64\n" : "=r" (v)); |
return v; |
} |
/** Write ITC (Interval Timer Counter) register. |
* |
* @param v New counter value. |
*/ |
static inline void itc_write(uint64_t v) |
{ |
asm volatile ("mov ar.itc = %0\n" : : "r" (v)); |
} |
/** Read ITC (Interval Timer Counter) register. |
* |
* @return Current counter value. |
*/ |
static inline uint64_t itc_read(void) |
{ |
uint64_t v; |
asm volatile ("mov %0 = ar.itc\n" : "=r" (v)); |
return v; |
} |
/** Write ITM (Interval Timer Match) register. |
* |
* @param v New match value. |
*/ |
static inline void itm_write(uint64_t v) |
{ |
asm volatile ("mov cr.itm = %0\n" : : "r" (v)); |
} |
/** Read ITM (Interval Timer Match) register. |
* |
* @return Match value. |
*/ |
static inline uint64_t itm_read(void) |
{ |
uint64_t v; |
asm volatile ("mov %0 = cr.itm\n" : "=r" (v)); |
return v; |
} |
/** Read ITV (Interval Timer Vector) register. |
* |
* @return Current vector and mask bit. |
*/ |
static inline uint64_t itv_read(void) |
{ |
uint64_t v; |
asm volatile ("mov %0 = cr.itv\n" : "=r" (v)); |
return v; |
} |
/** Write ITV (Interval Timer Vector) register. |
* |
* @param v New vector and mask bit. |
*/ |
static inline void itv_write(uint64_t v) |
{ |
asm volatile ("mov cr.itv = %0\n" : : "r" (v)); |
} |
/** Write EOI (End Of Interrupt) register. |
* |
* @param v This value is ignored. |
*/ |
static inline void eoi_write(uint64_t v) |
{ |
asm volatile ("mov cr.eoi = %0\n" : : "r" (v)); |
} |
/** Read TPR (Task Priority Register). |
* |
* @return Current value of TPR. |
*/ |
static inline uint64_t tpr_read(void) |
{ |
uint64_t v; |
asm volatile ("mov %0 = cr.tpr\n" : "=r" (v)); |
return v; |
} |
/** Write TPR (Task Priority Register). |
* |
* @param v New value of TPR. |
*/ |
static inline void tpr_write(uint64_t v) |
{ |
asm volatile ("mov cr.tpr = %0\n" : : "r" (v)); |
} |
/** Disable interrupts. |
* |
* Disable interrupts and return previous |
* value of PSR. |
* |
* @return Old interrupt priority level. |
*/ |
static ipl_t interrupts_disable(void) |
{ |
uint64_t v; |
asm volatile ( |
"mov %0 = psr\n" |
"rsm %1\n" |
: "=r" (v) |
: "i" (PSR_I_MASK) |
); |
return (ipl_t) v; |
} |
/** Enable interrupts. |
* |
* Enable interrupts and return previous |
* value of PSR. |
* |
* @return Old interrupt priority level. |
*/ |
static ipl_t interrupts_enable(void) |
{ |
uint64_t v; |
asm volatile ( |
"mov %0 = psr\n" |
"ssm %1\n" |
";;\n" |
"srlz.d\n" |
: "=r" (v) |
: "i" (PSR_I_MASK) |
); |
return (ipl_t) v; |
} |
/** Restore interrupt priority level. |
* |
* Restore PSR. |
* |
* @param ipl Saved interrupt priority level. |
*/ |
static inline void interrupts_restore(ipl_t ipl) |
{ |
if (ipl & PSR_I_MASK) |
(void) interrupts_enable(); |
else |
(void) interrupts_disable(); |
} |
/** Return interrupt priority level. |
* |
* @return PSR. |
*/ |
static inline ipl_t interrupts_read(void) |
{ |
return (ipl_t) psr_read(); |
} |
/** Disable protection key checking. */ |
static inline void pk_disable(void) |
{ |
asm volatile ("rsm %0\n" : : "i" (PSR_PK_MASK)); |
} |
extern void cpu_halt(void); |
extern void cpu_sleep(void); |
extern void asm_delay_loop(uint32_t t); |
extern void switch_to_userspace(uintptr_t, uintptr_t, uintptr_t, uintptr_t, |
uint64_t, uint64_t); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/bootinfo.h |
---|
0,0 → 1,81 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef KERN_ia64_BOOTINFO_H_ |
#define KERN_ia64_BOOTINFO_H_ |
#define BOOTINFO_ADDRESS 0x4401000 |
#define CONFIG_INIT_TASKS 32 |
#define MEMMAP_ITEMS 128 |
#define EFI_MEMMAP_FREE_MEM 0 |
#define EFI_MEMMAP_IO 1 |
#define EFI_MEMMAP_IO_PORTS 2 |
/** Size of buffer for storing task name in binit_task_t. */ |
#define BOOTINFO_TASK_NAME_BUFLEN 32 |
typedef struct { |
void *addr; |
unsigned long size; |
char name[BOOTINFO_TASK_NAME_BUFLEN]; |
} binit_task_t; |
typedef struct { |
unsigned long count; |
binit_task_t tasks[CONFIG_INIT_TASKS]; |
} binit_t; |
typedef struct { |
unsigned int type; |
unsigned long base; |
unsigned long size; |
}efi_memmap_item_t; |
typedef struct { |
binit_t taskmap; |
efi_memmap_item_t memmap[MEMMAP_ITEMS]; |
unsigned int memmap_items; |
unsigned long * sapic; |
unsigned long sys_freq; |
unsigned long freq_scale; |
unsigned int wakeup_intno; |
int hello_configured; |
} bootinfo_t; |
extern bootinfo_t *bootinfo; |
extern void start(void); |
extern void bootstrap(void); |
#endif |
/branches/arm/kernel/arch/ia64/include/interrupt.h |
---|
0,0 → 1,161 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64interrupt |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_INTERRUPT_H_ |
#define KERN_ia64_INTERRUPT_H_ |
#include <arch/types.h> |
#include <arch/register.h> |
/** ia64 has 256 INRs. */ |
#define INR_COUNT 256 |
/* |
* We need to keep this just to compile. |
* We might eventually move interrupt/ stuff |
* to genarch. |
*/ |
#define IVT_ITEMS 0 |
#define IVT_FIRST 0 |
/** External Interrupt vectors. */ |
#define VECTOR_TLB_SHOOTDOWN_IPI 0xf0 |
#define INTERRUPT_TIMER 255 |
#define IRQ_KBD (0x01 + LEGACY_INTERRUPT_BASE) |
#define IRQ_MOUSE (0x0c + LEGACY_INTERRUPT_BASE) |
#define INTERRUPT_SPURIOUS 15 |
#define LEGACY_INTERRUPT_BASE 0x20 |
/** General Exception codes. */ |
#define GE_ILLEGALOP 0 |
#define GE_PRIVOP 1 |
#define GE_PRIVREG 2 |
#define GE_RESREGFLD 3 |
#define GE_DISBLDISTRAN 4 |
#define GE_ILLEGALDEP 8 |
#define EOI 0 /**< The actual value doesn't matter. */ |
typedef struct { |
uint128_t f2; |
uint128_t f3; |
uint128_t f4; |
uint128_t f5; |
uint128_t f6; |
uint128_t f7; |
uint128_t f8; |
uint128_t f9; |
uint128_t f10; |
uint128_t f11; |
uint128_t f12; |
uint128_t f13; |
uint128_t f14; |
uint128_t f15; |
uint128_t f16; |
uint128_t f17; |
uint128_t f18; |
uint128_t f19; |
uint128_t f20; |
uint128_t f21; |
uint128_t f22; |
uint128_t f23; |
uint128_t f24; |
uint128_t f25; |
uint128_t f26; |
uint128_t f27; |
uint128_t f28; |
uint128_t f29; |
uint128_t f30; |
uint128_t f31; |
uintptr_t ar_bsp; |
uintptr_t ar_bspstore; |
uintptr_t ar_bspstore_new; |
uint64_t ar_rnat; |
uint64_t ar_ifs; |
uint64_t ar_pfs; |
uint64_t ar_rsc; |
uintptr_t cr_ifa; |
cr_isr_t cr_isr; |
uintptr_t cr_iipa; |
psr_t cr_ipsr; |
uintptr_t cr_iip; |
uint64_t pr; |
uintptr_t sp; |
/* |
* The following variables are defined only for break_instruction |
* handler. |
*/ |
uint64_t in0; |
uint64_t in1; |
uint64_t in2; |
uint64_t in3; |
uint64_t in4; |
uint64_t in5; |
uint64_t in6; |
} istate_t; |
static inline void istate_set_retaddr(istate_t *istate, uintptr_t retaddr) |
{ |
istate->cr_iip = retaddr; |
istate->cr_ipsr.ri = 0; /* return to instruction slot #0 */ |
} |
static inline unative_t istate_get_pc(istate_t *istate) |
{ |
return istate->cr_iip; |
} |
static inline int istate_from_uspace(istate_t *istate) |
{ |
return (istate->cr_iip) < 0xe000000000000000ULL; |
} |
extern void *ivt; |
extern void general_exception(uint64_t vector, istate_t *istate); |
extern int break_instruction(uint64_t vector, istate_t *istate); |
extern void universal_handler(uint64_t vector, istate_t *istate); |
extern void nop_handler(uint64_t vector, istate_t *istate); |
extern void external_interrupt(uint64_t vector, istate_t *istate); |
extern void disabled_fp_register(uint64_t vector, istate_t *istate); |
extern void trap_virtual_enable_irqs(uint16_t irqmask); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/fpu_context.h |
---|
0,0 → 1,51 |
/* |
* Copyright (c) 2005 Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_FPU_CONTEXT_H_ |
#define KERN_ia64_FPU_CONTEXT_H_ |
#define FPU_CONTEXT_ALIGN 16 |
#include <arch/types.h> |
#define FRS 96 |
typedef struct { |
uint128_t fr[FRS]; |
} fpu_context_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/atomic.h |
---|
0,0 → 1,102 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_ATOMIC_H_ |
#define KERN_ia64_ATOMIC_H_ |
/** Atomic addition. |
* |
* @param val Atomic value. |
* @param imm Value to add. |
* |
* @return Value before addition. |
*/ |
static inline long atomic_add(atomic_t *val, int imm) |
{ |
long v; |
asm volatile ("fetchadd8.rel %0 = %1, %2\n" : "=r" (v), |
"+m" (val->count) : "i" (imm)); |
return v; |
} |
static inline uint64_t test_and_set(atomic_t *val) { |
uint64_t v; |
asm volatile ( |
"movl %0 = 0x01;;\n" |
"xchg8 %0 = %1, %0;;\n" |
: "=r" (v), "+m" (val->count) |
); |
return v; |
} |
static inline void atomic_inc(atomic_t *val) |
{ |
atomic_add(val, 1); |
} |
static inline void atomic_dec(atomic_t *val) |
{ |
atomic_add(val, -1); |
} |
static inline long atomic_preinc(atomic_t *val) |
{ |
return atomic_add(val, 1) + 1; |
} |
static inline long atomic_predec(atomic_t *val) |
{ |
return atomic_add(val, -1) - 1; |
} |
static inline long atomic_postinc(atomic_t *val) |
{ |
return atomic_add(val, 1); |
} |
static inline long atomic_postdec(atomic_t *val) |
{ |
return atomic_add(val, -1); |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/proc/task.h |
---|
0,0 → 1,52 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64proc |
* @{ |
*/ |
/** @file |
*/ |
#include <proc/task.h> |
#ifndef KERN_ia64_TASK_H_ |
#define KERN_ia64_TASK_H_ |
#include <adt/bitmap.h> |
typedef struct { |
bitmap_t *iomap; |
} task_arch_t; |
#define task_create_arch(t) { (t)->arch.iomap = NULL; } |
#define task_destroy_arch(t) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/proc/thread.h |
---|
0,0 → 1,48 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64proc |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_THREAD_H_ |
#define KERN_ia64_THREAD_H_ |
typedef struct { |
} thread_arch_t; |
#define thr_constructor_arch(t) |
#define thr_destructor_arch(t) |
#define thread_create_arch(t) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/register.h |
---|
0,0 → 1,278 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_REGISTER_H_ |
#define KERN_ia64_REGISTER_H_ |
#define CR_IVR_MASK 0xf |
#define PSR_IC_MASK 0x2000 |
#define PSR_I_MASK 0x4000 |
#define PSR_PK_MASK 0x8000 |
#define PSR_DT_MASK (1 << 17) |
#define PSR_RT_MASK (1 << 27) |
#define PSR_DFL_MASK (1 << 18) |
#define PSR_DFH_MASK (1 << 19) |
#define PSR_IT_MASK 0x0000001000000000 |
#define PSR_CPL_SHIFT 32 |
#define PSR_CPL_MASK_SHIFTED 3 |
#define PFM_MASK (~0x3fffffffff) |
#define RSC_MODE_MASK 3 |
#define RSC_PL_MASK 12 |
/** Application registers. */ |
#define AR_KR0 0 |
#define AR_KR1 1 |
#define AR_KR2 2 |
#define AR_KR3 3 |
#define AR_KR4 4 |
#define AR_KR5 5 |
#define AR_KR6 6 |
#define AR_KR7 7 |
/* AR 8-15 reserved */ |
#define AR_RSC 16 |
#define AR_BSP 17 |
#define AR_BSPSTORE 18 |
#define AR_RNAT 19 |
/* AR 20 reserved */ |
#define AR_FCR 21 |
/* AR 22-23 reserved */ |
#define AR_EFLAG 24 |
#define AR_CSD 25 |
#define AR_SSD 26 |
#define AR_CFLG 27 |
#define AR_FSR 28 |
#define AR_FIR 29 |
#define AR_FDR 30 |
/* AR 31 reserved */ |
#define AR_CCV 32 |
/* AR 33-35 reserved */ |
#define AR_UNAT 36 |
/* AR 37-39 reserved */ |
#define AR_FPSR 40 |
/* AR 41-43 reserved */ |
#define AR_ITC 44 |
/* AR 45-47 reserved */ |
/* AR 48-63 ignored */ |
#define AR_PFS 64 |
#define AR_LC 65 |
#define AR_EC 66 |
/* AR 67-111 reserved */ |
/* AR 112-127 ignored */ |
/** Control registers. */ |
#define CR_DCR 0 |
#define CR_ITM 1 |
#define CR_IVA 2 |
/* CR3-CR7 reserved */ |
#define CR_PTA 8 |
/* CR9-CR15 reserved */ |
#define CR_IPSR 16 |
#define CR_ISR 17 |
/* CR18 reserved */ |
#define CR_IIP 19 |
#define CR_IFA 20 |
#define CR_ITIR 21 |
#define CR_IIPA 22 |
#define CR_IFS 23 |
#define CR_IIM 24 |
#define CR_IHA 25 |
/* CR26-CR63 reserved */ |
#define CR_LID 64 |
#define CR_IVR 65 |
#define CR_TPR 66 |
#define CR_EOI 67 |
#define CR_IRR0 68 |
#define CR_IRR1 69 |
#define CR_IRR2 70 |
#define CR_IRR3 71 |
#define CR_ITV 72 |
#define CR_PMV 73 |
#define CR_CMCV 74 |
/* CR75-CR79 reserved */ |
#define CR_LRR0 80 |
#define CR_LRR1 81 |
/* CR82-CR127 reserved */ |
#ifndef __ASM__ |
#include <arch/types.h> |
/** Processor Status Register. */ |
union psr { |
uint64_t value; |
struct { |
unsigned : 1; |
unsigned be : 1; /**< Big-Endian data accesses. */ |
unsigned up : 1; /**< User Performance monitor enable. */ |
unsigned ac : 1; /**< Alignment Check. */ |
unsigned mfl : 1; /**< Lower floating-point register written. */ |
unsigned mfh : 1; /**< Upper floating-point register written. */ |
unsigned : 7; |
unsigned ic : 1; /**< Interruption Collection. */ |
unsigned i : 1; /**< Interrupt Bit. */ |
unsigned pk : 1; /**< Protection Key enable. */ |
unsigned : 1; |
unsigned dt : 1; /**< Data address Translation. */ |
unsigned dfl : 1; /**< Disabled Floating-point Low register set. */ |
unsigned dfh : 1; /**< Disabled Floating-point High register set. */ |
unsigned sp : 1; /**< Secure Performance monitors. */ |
unsigned pp : 1; /**< Privileged Performance monitor enable. */ |
unsigned di : 1; /**< Disable Instruction set transition. */ |
unsigned si : 1; /**< Secure Interval timer. */ |
unsigned db : 1; /**< Debug Breakpoint fault. */ |
unsigned lp : 1; /**< Lower Privilege transfer trap. */ |
unsigned tb : 1; /**< Taken Branch trap. */ |
unsigned rt : 1; /**< Register Stack Translation. */ |
unsigned : 4; |
unsigned cpl : 2; /**< Current Privilege Level. */ |
unsigned is : 1; /**< Instruction Set. */ |
unsigned mc : 1; /**< Machine Check abort mask. */ |
unsigned it : 1; /**< Instruction address Translation. */ |
unsigned id : 1; /**< Instruction Debug fault disable. */ |
unsigned da : 1; /**< Disable Data Access and Dirty-bit faults. */ |
unsigned dd : 1; /**< Data Debug fault disable. */ |
unsigned ss : 1; /**< Single Step enable. */ |
unsigned ri : 2; /**< Restart Instruction. */ |
unsigned ed : 1; /**< Exception Deferral. */ |
unsigned bn : 1; /**< Register Bank. */ |
unsigned ia : 1; /**< Disable Instruction Access-bit faults. */ |
} __attribute__ ((packed)); |
}; |
typedef union psr psr_t; |
/** Register Stack Configuration Register */ |
union rsc { |
uint64_t value; |
struct { |
unsigned mode : 2; |
unsigned pl : 2; /**< Privilege Level. */ |
unsigned be : 1; /**< Big-endian. */ |
unsigned : 11; |
unsigned loadrs : 14; |
} __attribute__ ((packed)); |
}; |
typedef union rsc rsc_t; |
/** External Interrupt Vector Register */ |
union cr_ivr { |
uint8_t vector; |
uint64_t value; |
}; |
typedef union cr_ivr cr_ivr_t; |
/** Task Priority Register */ |
union cr_tpr { |
struct { |
unsigned : 4; |
unsigned mic: 4; /**< Mask Interrupt Class. */ |
unsigned : 8; |
unsigned mmi: 1; /**< Mask Maskable Interrupts. */ |
} __attribute__ ((packed)); |
uint64_t value; |
}; |
typedef union cr_tpr cr_tpr_t; |
/** Interval Timer Vector */ |
union cr_itv { |
struct { |
unsigned vector : 8; |
unsigned : 4; |
unsigned : 1; |
unsigned : 3; |
unsigned m : 1; /**< Mask. */ |
} __attribute__ ((packed)); |
uint64_t value; |
}; |
typedef union cr_itv cr_itv_t; |
/** Interruption Status Register */ |
union cr_isr { |
struct { |
union { |
/** General Exception code field structuring. */ |
struct { |
unsigned ge_na : 4; |
unsigned ge_code : 4; |
} __attribute__ ((packed)); |
uint16_t code; |
}; |
uint8_t vector; |
unsigned : 8; |
unsigned x : 1; /**< Execute exception. */ |
unsigned w : 1; /**< Write exception. */ |
unsigned r : 1; /**< Read exception. */ |
unsigned na : 1; /**< Non-access exception. */ |
unsigned sp : 1; /**< Speculative load exception. */ |
unsigned rs : 1; /**< Register stack. */ |
unsigned ir : 1; /**< Incomplete Register frame. */ |
unsigned ni : 1; /**< Nested Interruption. */ |
unsigned so : 1; /**< IA-32 Supervisor Override. */ |
unsigned ei : 2; /**< Excepting Instruction. */ |
unsigned ed : 1; /**< Exception Deferral. */ |
unsigned : 20; |
} __attribute__ ((packed)); |
uint64_t value; |
}; |
typedef union cr_isr cr_isr_t; |
/** CPUID Register 3 */ |
union cpuid3 { |
struct { |
uint8_t number; |
uint8_t revision; |
uint8_t model; |
uint8_t family; |
uint8_t archrev; |
} __attribute__ ((packed)); |
uint64_t value; |
}; |
typedef union cpuid3 cpuid3_t; |
#endif /* !__ASM__ */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/debug.h |
---|
0,0 → 1,42 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64debug ia64 |
* @ingroup debug |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_DEBUG_H_ |
#define KERN_ia64_DEBUG_H_ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/cpu.h |
---|
0,0 → 1,96 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_CPU_H_ |
#define KERN_ia64_CPU_H_ |
#include <arch/types.h> |
#include <arch/register.h> |
#include <arch/asm.h> |
#include <arch/bootinfo.h> |
#define FAMILY_ITANIUM 0x7 |
#define FAMILY_ITANIUM2 0x1f |
typedef struct { |
uint64_t cpuid0; |
uint64_t cpuid1; |
cpuid3_t cpuid3; |
} cpu_arch_t; |
/** Read CPUID register. |
* |
* @param n CPUID register number. |
* |
* @return Value of CPUID[n] register. |
*/ |
static inline uint64_t cpuid_read(int n) |
{ |
uint64_t v; |
asm volatile ("mov %0 = cpuid[%1]\n" : "=r" (v) : "r" (n)); |
return v; |
} |
#define CR64_ID_SHIFT 24 |
#define CR64_ID_MASK 0xff000000 |
#define CR64_EID_SHIFT 16 |
#define CR64_EID_MASK 0xff0000 |
static inline int ia64_get_cpu_id(void) |
{ |
uint64_t cr64=cr64_read(); |
return ((CR64_ID_MASK)&cr64)>>CR64_ID_SHIFT; |
} |
static inline int ia64_get_cpu_eid(void) |
{ |
uint64_t cr64=cr64_read(); |
return ((CR64_EID_MASK)&cr64)>>CR64_EID_SHIFT; |
} |
static inline void ipi_send_ipi(int id, int eid, int intno) |
{ |
(bootinfo->sapic)[2 * (id * 256 + eid)] = intno; |
srlz_d(); |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/barrier.h |
---|
0,0 → 1,78 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_BARRIER_H_ |
#define KERN_ia64_BARRIER_H_ |
/* |
* TODO: Implement true IA-64 memory barriers for macros below. |
*/ |
#define CS_ENTER_BARRIER() memory_barrier() |
#define CS_LEAVE_BARRIER() memory_barrier() |
#define memory_barrier() asm volatile ("mf\n" ::: "memory") |
#define read_barrier() memory_barrier() |
#define write_barrier() memory_barrier() |
#define srlz_i() \ |
asm volatile (";; srlz.i ;;\n" ::: "memory") |
#define srlz_d() \ |
asm volatile (";; srlz.d\n" ::: "memory") |
#define fc_i(a) \ |
asm volatile ("fc.i %0\n" :: "r" ((a)) : "memory") |
#define sync_i() \ |
asm volatile (";; sync.i\n" ::: "memory") |
#define smc_coherence(a) \ |
{ \ |
fc_i((a)); \ |
sync_i(); \ |
srlz_i(); \ |
} |
#define FC_INVAL_MIN 32 |
#define smc_coherence_block(a, l) \ |
{ \ |
unsigned long i; \ |
for (i = 0; i < (l); i += FC_INVAL_MIN) \ |
fc_i((void *)(a) + i); \ |
sync_i(); \ |
srlz_i(); \ |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/memstr.h |
---|
0,0 → 1,48 |
/* |
* Copyright (c) 2005 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_MEMSTR_H_ |
#define KERN_ia64_MEMSTR_H_ |
#define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt)) |
extern void memsetw(void *dst, size_t cnt, uint16_t x); |
extern void memsetb(void *dst, size_t cnt, uint8_t x); |
extern int memcmp(const void *a, const void *b, size_t cnt); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/context.h |
---|
0,0 → 1,135 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_CONTEXT_H_ |
#define KERN_ia64_CONTEXT_H_ |
#include <arch/types.h> |
#include <arch/register.h> |
#include <align.h> |
#include <arch/stack.h> |
/* |
* context_save_arch() and context_restore_arch() are both leaf procedures. |
* No need to allocate scratch area. |
* |
* One item is put onto the stack to support get_stack_base(). |
*/ |
#define SP_DELTA (0 + ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT)) |
#ifdef context_set |
#undef context_set |
#endif |
/* RSE stack starts at the bottom of memory stack. */ |
#define context_set(c, _pc, stack, size) \ |
do { \ |
(c)->pc = (uintptr_t) _pc; \ |
(c)->bsp = ((uintptr_t) stack) + ALIGN_UP((size), REGISTER_STACK_ALIGNMENT); \ |
(c)->ar_pfs &= PFM_MASK; \ |
(c)->sp = ((uintptr_t) stack) + ALIGN_UP((size), STACK_ALIGNMENT) - SP_DELTA; \ |
} while (0); |
/* |
* Only save registers that must be preserved across |
* function calls. |
*/ |
typedef struct { |
/* |
* Application registers |
*/ |
uint64_t ar_pfs; |
uint64_t ar_unat_caller; |
uint64_t ar_unat_callee; |
uint64_t ar_rsc; |
uintptr_t bsp; /* ar_bsp */ |
uint64_t ar_rnat; |
uint64_t ar_lc; |
/* |
* General registers |
*/ |
uint64_t r1; |
uint64_t r4; |
uint64_t r5; |
uint64_t r6; |
uint64_t r7; |
uintptr_t sp; /* r12 */ |
uint64_t r13; |
/* |
* Branch registers |
*/ |
uintptr_t pc; /* b0 */ |
uint64_t b1; |
uint64_t b2; |
uint64_t b3; |
uint64_t b4; |
uint64_t b5; |
/* |
* Predicate registers |
*/ |
uint64_t pr; |
uint128_t f2 __attribute__ ((aligned(16))); |
uint128_t f3; |
uint128_t f4; |
uint128_t f5; |
uint128_t f16; |
uint128_t f17; |
uint128_t f18; |
uint128_t f19; |
uint128_t f20; |
uint128_t f21; |
uint128_t f22; |
uint128_t f23; |
uint128_t f24; |
uint128_t f25; |
uint128_t f26; |
uint128_t f27; |
uint128_t f28; |
uint128_t f29; |
uint128_t f30; |
uint128_t f31; |
ipl_t ipl; |
} context_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/cycle.h |
---|
0,0 → 1,46 |
/* |
* Copyright (c) 2006 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_CYCLE_H_ |
#define KERN_ia64_CYCLE_H_ |
static inline uint64_t get_cycle(void) |
{ |
return 0; |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/stack.h |
---|
0,0 → 1,46 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_STACK_H_ |
#define KERN_ia64_STACK_H_ |
#define STACK_ITEM_SIZE 8 |
#define STACK_ALIGNMENT 16 |
#define STACK_SCRATCH_AREA_SIZE 16 |
#define REGISTER_STACK_ALIGNMENT 8 |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/elf.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2006 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_ELF_H_ |
#define KERN_ia64_ELF_H_ |
#define ELF_MACHINE EM_IA_64 |
#define ELF_DATA_ENCODING ELFDATA2LSB |
#define ELF_CLASS ELFCLASS64 |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/arg.h |
---|
0,0 → 1,43 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_ARG_H_ |
#define KERN_ia64_ARG_H_ |
#include <stdarg.h> |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/faddr.h |
---|
0,0 → 1,53 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_FADDR_H_ |
#define KERN_ia64_FADDR_H_ |
#include <arch/types.h> |
/** |
* |
* Calculate absolute address of function |
* referenced by fptr pointer. |
* |
* @param f Function pointer. |
* |
*/ |
#define FADDR(f) (*((uintptr_t *)(f))); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/include/pal/pal.h |
---|
0,0 → 1,109 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia64_PAL_H_ |
#define KERN_ia64_PAL_H_ |
#define PAL_OK 0 /**< Call completed without error. */ |
#define PAL_UNIMPL -1 /**< Unimplemented procedure. */ |
#define PAL_INVARG -2 /**< Invalid argument. */ |
#define PAL_ERR -3 /**< Can not compete call without error. */ |
/** These are the indices for PAL_PROC. */ |
#define PAL_CACHE_FLUSH 1 |
#define PAL_CACHE_INFO 2 |
#define PAL_CACHE_INIT 3 |
#define PAL_CACHE_PROT_INFO 38 |
#define PAL_CACHE_SHARED_INFO 43 |
#define PAL_CACHE_SUMMARY 4 |
#define PAL_MEM_ATTRIB 5 |
#define PAL_PREFETCH_VISIBILITY 41 |
#define PAL_PTCE_INFO 6 |
#define PAL_VM_INFO 7 |
#define PAL_VM_PAGE_SIZE 34 |
#define PAL_VM_SUMMARY 8 |
#define PAL_VM_TR_READ 261 |
#define PAL_BUS_GET_FEATURES 9 |
#define PAL_BUS_SET_FEATURES 10 |
#define PAL_DEBUG_INFO 11 |
#define PAL_FIXED_ADDR 12 |
#define PAL_FREQ_BASE 13 |
#define PAL_FREQ_RATIOS 14 |
#define PAL_LOGICAL_TO_PHYSICAL 42 |
#define PAL_PERF_MON_INFO 15 |
#define PAL_PLATFORM_ADDR 16 |
#define PAL_PROC_GET_FEATURES 17 |
#define PAL_PROC_SET_FEATURES 18 |
#define PAL_REGISTER_INFO 39 |
#define PAL_RSE_INFO 19 |
#define PAL_VERSION 20 |
#define PAL_MC_CLEAR_LOG 21 |
#define PAL_MC_DRAIN 22 |
#define PAL_MC_DYNAMIC_STATE 24 |
#define PAL_MC_ERROR_INFO 25 |
#define PAL_MC_EXPECTED 23 |
#define PAL_MC_REGISTER_MEM 27 |
#define PAL_MC_RESUME 26 |
#define PAL_HALT 28 |
#define PAL_HALT_INFO 257 |
#define PAL_HALT_LIGHT 29 |
#define PAL_CACHE_LINE_INIT 31 |
#define PAL_CACHE_READ 259 |
#define PAL_CACHE_WRITE 260 |
#define PAL_TEST_INFO 37 |
#define PAL_TEST_PROC 258 |
#define PAL_COPY_INFO 30 |
#define PAL_COPY_PAL 256 |
#define PAL_ENTER_IA_32_ENV 33 |
#define PAL_PMI_ENTRYPOINT 32 |
/* |
* Ski PTCE data |
*/ |
#define PAL_PTCE_INFO_BASE() (0x100000000LL) |
#define PAL_PTCE_INFO_COUNT1() (2) |
#define PAL_PTCE_INFO_COUNT2() (3) |
#define PAL_PTCE_INFO_STRIDE1() (0x10000000) |
#define PAL_PTCE_INFO_STRIDE2() (0x2000) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/src/ivt.S |
---|
0,0 → 1,585 |
# |
# Copyright (c) 2005 Jakub Vana |
# Copyright (c) 2005 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include <arch/stack.h> |
#include <arch/register.h> |
#include <arch/mm/page.h> |
#include <align.h> |
#define FRS_TO_SAVE 30 |
#define STACK_ITEMS (21 + FRS_TO_SAVE * 2) |
#define STACK_FRAME_SIZE ALIGN_UP((STACK_ITEMS*STACK_ITEM_SIZE) + STACK_SCRATCH_AREA_SIZE, STACK_ALIGNMENT) |
#if (STACK_ITEMS % 2 == 0) |
# define STACK_FRAME_BIAS 8 |
#else |
# define STACK_FRAME_BIAS 16 |
#endif |
/** Partitioning of bank 0 registers. */ |
#define R_OFFS r16 |
#define R_HANDLER r17 |
#define R_RET r18 |
#define R_TMP r19 |
#define R_KSTACK_BSP r22 /* keep in sync with before_thread_runs_arch() */ |
#define R_KSTACK r23 /* keep in sync with before_thread_runs_arch() */ |
/** Heavyweight interrupt handler |
* |
* This macro roughly follows steps from 1 to 19 described in |
* Intel Itanium Architecture Software Developer's Manual, Chapter 3.4.2. |
* |
* HEAVYWEIGHT_HANDLER macro must cram into 16 bundles (48 instructions). |
* This goal is achieved by using procedure calls after RSE becomes operational. |
* |
* Some steps are skipped (enabling and disabling interrupts). |
* |
* @param offs Offset from the beginning of IVT. |
* @param handler Interrupt handler address. |
*/ |
.macro HEAVYWEIGHT_HANDLER offs, handler=universal_handler |
.org ivt + \offs |
mov R_OFFS = \offs |
movl R_HANDLER = \handler ;; |
br heavyweight_handler |
.endm |
.global heavyweight_handler |
heavyweight_handler: |
/* 1. copy interrupt registers into bank 0 */ |
/* |
* Note that r24-r31 from bank 0 can be used only as long as PSR.ic = 0. |
*/ |
/* Set up FPU as in interrupted context. */ |
mov r24 = psr |
mov r25 = cr.ipsr |
mov r26 = PSR_DFH_MASK |
mov r27 = ~PSR_DFH_MASK ;; |
and r26 = r25, r26 |
and r24 = r24, r27;; |
or r24 = r24, r26;; |
mov psr.l = r24;; |
srlz.i |
srlz.d;; |
mov r24 = cr.iip |
mov r25 = cr.ipsr |
mov r26 = cr.iipa |
mov r27 = cr.isr |
mov r28 = cr.ifa |
/* 2. preserve predicate register into bank 0 */ |
mov r29 = pr ;; |
/* 3. switch to kernel memory stack */ |
mov r30 = cr.ipsr |
shr.u r31 = r12, VRN_SHIFT ;; |
shr.u r30 = r30, PSR_CPL_SHIFT ;; |
and r30 = PSR_CPL_MASK_SHIFTED, r30 ;; |
/* |
* Set p3 to true if the interrupted context executed in kernel mode. |
* Set p4 to false if the interrupted context didn't execute in kernel mode. |
*/ |
cmp.eq p3, p4 = r30, r0 ;; |
cmp.eq p1, p2 = r30, r0 ;; /* remember IPSR setting in p1 and p2 */ |
/* |
* Set p3 to true if the stack register references kernel address space. |
* Set p4 to false if the stack register doesn't reference kernel address space. |
*/ |
(p3) cmp.eq p3, p4 = VRN_KERNEL, r31 ;; |
/* |
* Now, p4 is true iff the stack needs to be switched to kernel stack. |
*/ |
mov r30 = r12 |
(p4) mov r12 = R_KSTACK ;; |
add r31 = -STACK_FRAME_BIAS, r12 ;; |
add r12 = -STACK_FRAME_SIZE, r12 |
/* 4. save registers in bank 0 into memory stack */ |
/* |
* If this is break_instruction handler, |
* copy input parameters to stack. |
*/ |
mov R_TMP = 0x2c00 ;; |
cmp.eq p6, p5 = R_OFFS, R_TMP ;; |
/* |
* From now on, if this is break_instruction handler, p6 is true and p5 |
* is false. Otherwise p6 is false and p5 is true. |
* Note that p5 is a preserved predicate register and we make use of it. |
*/ |
(p6) st8 [r31] = r38, -8 ;; /* save in6 */ |
(p6) st8 [r31] = r37, -8 ;; /* save in5 */ |
(p6) st8 [r31] = r36, -8 ;; /* save in4 */ |
(p6) st8 [r31] = r35, -8 ;; /* save in3 */ |
(p6) st8 [r31] = r34, -8 ;; /* save in2 */ |
(p6) st8 [r31] = r33, -8 ;; /* save in1 */ |
(p6) st8 [r31] = r32, -8 ;; /* save in0 */ |
(p5) add r31 = -56, r31 ;; |
st8 [r31] = r30, -8 ;; /* save old stack pointer */ |
st8 [r31] = r29, -8 ;; /* save predicate registers */ |
st8 [r31] = r24, -8 ;; /* save cr.iip */ |
st8 [r31] = r25, -8 ;; /* save cr.ipsr */ |
st8 [r31] = r26, -8 ;; /* save cr.iipa */ |
st8 [r31] = r27, -8 ;; /* save cr.isr */ |
st8 [r31] = r28, -8 ;; /* save cr.ifa */ |
/* 5. RSE switch from interrupted context */ |
mov r24 = ar.rsc |
mov r25 = ar.pfs |
cover |
mov r26 = cr.ifs |
st8 [r31] = r24, -8 ;; /* save ar.rsc */ |
st8 [r31] = r25, -8 ;; /* save ar.pfs */ |
st8 [r31] = r26, -8 /* save ar.ifs */ |
and r24 = ~(RSC_PL_MASK), r24 ;; |
and r30 = ~(RSC_MODE_MASK), r24 ;; |
mov ar.rsc = r30 ;; /* update RSE state */ |
mov r27 = ar.rnat |
mov r28 = ar.bspstore ;; |
/* |
* Inspect BSPSTORE to figure out whether it is necessary to switch to |
* kernel BSPSTORE. |
*/ |
(p1) shr.u r30 = r28, VRN_SHIFT ;; |
(p1) cmp.eq p1, p2 = VRN_KERNEL, r30 ;; |
/* |
* If BSPSTORE needs to be switched, p1 is false and p2 is true. |
*/ |
(p1) mov r30 = r28 |
(p2) mov r30 = R_KSTACK_BSP ;; |
(p2) mov ar.bspstore = r30 ;; |
mov r29 = ar.bsp |
st8 [r31] = r27, -8 ;; /* save ar.rnat */ |
st8 [r31] = r30, -8 ;; /* save new value written to ar.bspstore */ |
st8 [r31] = r28, -8 ;; /* save ar.bspstore */ |
st8 [r31] = r29, -8 /* save ar.bsp */ |
mov ar.rsc = r24 /* restore RSE's setting + kernel privileges */ |
/* steps 6 - 15 are done by heavyweight_handler_inner() */ |
mov R_RET = b0 /* save b0 belonging to interrupted context */ |
br.call.sptk.many b0 = heavyweight_handler_inner |
0: mov b0 = R_RET /* restore b0 belonging to the interrupted context */ |
/* 16. RSE switch to interrupted context */ |
cover /* allocate zero size frame (step 1 (from Intel Docs)) */ |
add r31 = (STACK_SCRATCH_AREA_SIZE + (FRS_TO_SAVE * 2 * 8)), r12 ;; |
ld8 r30 = [r31], +8 ;; /* load ar.bsp */ |
ld8 r29 = [r31], +8 ;; /* load ar.bspstore */ |
ld8 r28 = [r31], +8 ;; /* load ar.bspstore_new */ |
sub r27 = r30 , r28 ;; /* calculate loadrs (step 2) */ |
shl r27 = r27, 16 |
mov r24 = ar.rsc ;; |
and r30 = ~3, r24 ;; |
or r24 = r30 , r27 ;; |
mov ar.rsc = r24 ;; /* place RSE in enforced lazy mode */ |
loadrs /* (step 3) */ |
ld8 r27 = [r31], +8 ;; /* load ar.rnat */ |
ld8 r26 = [r31], +8 ;; /* load cr.ifs */ |
ld8 r25 = [r31], +8 ;; /* load ar.pfs */ |
ld8 r24 = [r31], +8 ;; /* load ar.rsc */ |
mov ar.bspstore = r29 ;; /* (step 4) */ |
mov ar.rnat = r27 /* (step 5) */ |
mov ar.pfs = r25 /* (step 6) */ |
mov cr.ifs = r26 |
mov ar.rsc = r24 /* (step 7) */ |
/* 17. restore interruption state from memory stack */ |
ld8 r28 = [r31], +8 ;; /* load cr.ifa */ |
ld8 r27 = [r31], +8 ;; /* load cr.isr */ |
ld8 r26 = [r31], +8 ;; /* load cr.iipa */ |
ld8 r25 = [r31], +8 ;; /* load cr.ipsr */ |
ld8 r24 = [r31], +8 ;; /* load cr.iip */ |
mov cr.iip = r24;; |
mov cr.iipa = r26 |
mov cr.isr = r27 |
mov cr.ifa = r28 |
/* Set up FPU as in exception. */ |
mov r24 = psr |
mov r26 = PSR_DFH_MASK |
mov r27 = ~PSR_DFH_MASK ;; |
and r25 = r25, r27 |
and r24 = r24, r26 ;; |
or r25 = r25, r24;; |
mov cr.ipsr = r25 |
/* 18. restore predicate registers from memory stack */ |
ld8 r29 = [r31], +8 ;; /* load predicate registers */ |
mov pr = r29 |
/* 19. return from interruption */ |
ld8 r12 = [r31] /* load stack pointer */ |
rfi ;; |
.global heavyweight_handler_inner |
heavyweight_handler_inner: |
/* |
* From this point, the rest of the interrupted context |
* will be preserved in stacked registers and backing store. |
*/ |
alloc loc0 = ar.pfs, 0, 48, 2, 0 ;; |
/* bank 0 is going to be shadowed, copy essential data from there */ |
mov loc1 = R_RET /* b0 belonging to interrupted context */ |
mov loc2 = R_HANDLER |
mov out0 = R_OFFS |
add out1 = STACK_SCRATCH_AREA_SIZE, r12 |
/* 6. switch to bank 1 and reenable PSR.ic */ |
ssm PSR_IC_MASK |
bsw.1 ;; |
srlz.d |
/* 7. preserve branch and application registers */ |
mov loc3 = ar.unat |
mov loc4 = ar.lc |
mov loc5 = ar.ec |
mov loc6 = ar.ccv |
mov loc7 = ar.csd |
mov loc8 = ar.ssd |
mov loc9 = b0 |
mov loc10 = b1 |
mov loc11 = b2 |
mov loc12 = b3 |
mov loc13 = b4 |
mov loc14 = b5 |
mov loc15 = b6 |
mov loc16 = b7 |
/* 8. preserve general and floating-point registers */ |
mov loc17 = r1 |
mov loc18 = r2 |
mov loc19 = r3 |
mov loc20 = r4 |
mov loc21 = r5 |
mov loc22 = r6 |
mov loc23 = r7 |
(p5) mov loc24 = r8 /* only if not in break_instruction handler */ |
mov loc25 = r9 |
mov loc26 = r10 |
mov loc27 = r11 |
/* skip r12 (stack pointer) */ |
mov loc28 = r13 |
mov loc29 = r14 |
mov loc30 = r15 |
mov loc31 = r16 |
mov loc32 = r17 |
mov loc33 = r18 |
mov loc34 = r19 |
mov loc35 = r20 |
mov loc36 = r21 |
mov loc37 = r22 |
mov loc38 = r23 |
mov loc39 = r24 |
mov loc40 = r25 |
mov loc41 = r26 |
mov loc42 = r27 |
mov loc43 = r28 |
mov loc44 = r29 |
mov loc45 = r30 |
mov loc46 = r31 |
add r24 = 96 + STACK_SCRATCH_AREA_SIZE, r12 |
add r25 = 112 + STACK_SCRATCH_AREA_SIZE, r12 |
add r26 = 0 + STACK_SCRATCH_AREA_SIZE, r12 |
add r27 = 16 + STACK_SCRATCH_AREA_SIZE, r12 |
add r28 = 32 + STACK_SCRATCH_AREA_SIZE, r12 |
add r29 = 48 + STACK_SCRATCH_AREA_SIZE, r12 |
add r30 = 64 + STACK_SCRATCH_AREA_SIZE, r12 |
add r31 = 80 + STACK_SCRATCH_AREA_SIZE, r12 ;; |
stf.spill [r26] = f2, 0x80 |
stf.spill [r27] = f3, 0x80 |
stf.spill [r28] = f4, 0x80 |
stf.spill [r29] = f5, 0x80 |
stf.spill [r30] = f6, 0x80 |
stf.spill [r31] = f7, 0x80 ;; |
stf.spill [r24] = f8, 0x80 |
stf.spill [r25] = f9, 0x80 |
stf.spill [r26] = f10, 0x80 |
stf.spill [r27] = f11, 0x80 |
stf.spill [r28] = f12, 0x80 |
stf.spill [r29] = f13, 0x80 |
stf.spill [r30] = f14, 0x80 |
stf.spill [r31] = f15, 0x80 ;; |
stf.spill [r24] = f16, 0x80 |
stf.spill [r25] = f17, 0x80 |
stf.spill [r26] = f18, 0x80 |
stf.spill [r27] = f19, 0x80 |
stf.spill [r28] = f20, 0x80 |
stf.spill [r29] = f21, 0x80 |
stf.spill [r30] = f22, 0x80 |
stf.spill [r31] = f23, 0x80 ;; |
stf.spill [r24] = f24, 0x80 |
stf.spill [r25] = f25, 0x80 |
stf.spill [r26] = f26, 0x80 |
stf.spill [r27] = f27, 0x80 |
stf.spill [r28] = f28, 0x80 |
stf.spill [r29] = f29, 0x80 |
stf.spill [r30] = f30, 0x80 |
stf.spill [r31] = f31, 0x80 ;; |
mov loc47 = ar.fpsr /* preserve floating point status register */ |
/* 9. skipped (will not enable interrupts) */ |
/* |
* ssm PSR_I_MASK |
* ;; |
* srlz.d |
*/ |
/* 10. call handler */ |
movl r1 = _hardcoded_load_address |
mov b1 = loc2 |
br.call.sptk.many b0 = b1 |
/* 11. return from handler */ |
0: |
/* 12. skipped (will not disable interrupts) */ |
/* |
* rsm PSR_I_MASK |
* ;; |
* srlz.d |
*/ |
/* 13. restore general and floating-point registers */ |
add r24 = 96 + STACK_SCRATCH_AREA_SIZE, r12 |
add r25 = 112 + STACK_SCRATCH_AREA_SIZE, r12 |
add r26 = 0 + STACK_SCRATCH_AREA_SIZE, r12 |
add r27 = 16 + STACK_SCRATCH_AREA_SIZE, r12 |
add r28 = 32 + STACK_SCRATCH_AREA_SIZE, r12 |
add r29 = 48 + STACK_SCRATCH_AREA_SIZE, r12 |
add r30 = 64 + STACK_SCRATCH_AREA_SIZE, r12 |
add r31 = 80 + STACK_SCRATCH_AREA_SIZE, r12 ;; |
ldf.fill f2 = [r26], 0x80 |
ldf.fill f3 = [r27], 0x80 |
ldf.fill f4 = [r28], 0x80 |
ldf.fill f5 = [r29], 0x80 |
ldf.fill f6 = [r30], 0x80 |
ldf.fill f7 = [r31], 0x80 ;; |
ldf.fill f8 = [r24], 0x80 |
ldf.fill f9 = [r25], 0x80 |
ldf.fill f10 = [r26], 0x80 |
ldf.fill f11 = [r27], 0x80 |
ldf.fill f12 = [r28], 0x80 |
ldf.fill f13 = [r29], 0x80 |
ldf.fill f14 = [r30], 0x80 |
ldf.fill f15 = [r31], 0x80 ;; |
ldf.fill f16 = [r24], 0x80 |
ldf.fill f17 = [r25], 0x80 |
ldf.fill f18 = [r26], 0x80 |
ldf.fill f19 = [r27], 0x80 |
ldf.fill f20 = [r28], 0x80 |
ldf.fill f21 = [r29], 0x80 |
ldf.fill f22 = [r30], 0x80 |
ldf.fill f23 = [r31], 0x80 ;; |
ldf.fill f24 = [r24], 0x80 |
ldf.fill f25 = [r25], 0x80 |
ldf.fill f26 = [r26], 0x80 |
ldf.fill f27 = [r27], 0x80 |
ldf.fill f28 = [r28], 0x80 |
ldf.fill f29 = [r29], 0x80 |
ldf.fill f30 = [r30], 0x80 |
ldf.fill f31 = [r31], 0x80 ;; |
mov r1 = loc17 |
mov r2 = loc18 |
mov r3 = loc19 |
mov r4 = loc20 |
mov r5 = loc21 |
mov r6 = loc22 |
mov r7 = loc23 |
(p5) mov r8 = loc24 /* only if not in break_instruction handler */ |
mov r9 = loc25 |
mov r10 = loc26 |
mov r11 = loc27 |
/* skip r12 (stack pointer) */ |
mov r13 = loc28 |
mov r14 = loc29 |
mov r15 = loc30 |
mov r16 = loc31 |
mov r17 = loc32 |
mov r18 = loc33 |
mov r19 = loc34 |
mov r20 = loc35 |
mov r21 = loc36 |
mov r22 = loc37 |
mov r23 = loc38 |
mov r24 = loc39 |
mov r25 = loc40 |
mov r26 = loc41 |
mov r27 = loc42 |
mov r28 = loc43 |
mov r29 = loc44 |
mov r30 = loc45 |
mov r31 = loc46 |
mov ar.fpsr = loc47 /* restore floating point status register */ |
/* 14. restore branch and application registers */ |
mov ar.unat = loc3 |
mov ar.lc = loc4 |
mov ar.ec = loc5 |
mov ar.ccv = loc6 |
mov ar.csd = loc7 |
mov ar.ssd = loc8 |
mov b0 = loc9 |
mov b1 = loc10 |
mov b2 = loc11 |
mov b3 = loc12 |
mov b4 = loc13 |
mov b5 = loc14 |
mov b6 = loc15 |
mov b7 = loc16 |
/* 15. disable PSR.ic and switch to bank 0 */ |
rsm PSR_IC_MASK |
bsw.0 ;; |
srlz.d |
mov R_RET = loc1 |
mov ar.pfs = loc0 |
br.ret.sptk.many b0 |
.global ivt |
.align 32768 |
ivt: |
HEAVYWEIGHT_HANDLER 0x0000 |
HEAVYWEIGHT_HANDLER 0x0400 |
HEAVYWEIGHT_HANDLER 0x0800 |
HEAVYWEIGHT_HANDLER 0x0c00 alternate_instruction_tlb_fault |
HEAVYWEIGHT_HANDLER 0x1000 alternate_data_tlb_fault |
HEAVYWEIGHT_HANDLER 0x1400 data_nested_tlb_fault |
HEAVYWEIGHT_HANDLER 0x1800 |
HEAVYWEIGHT_HANDLER 0x1c00 |
HEAVYWEIGHT_HANDLER 0x2000 data_dirty_bit_fault |
HEAVYWEIGHT_HANDLER 0x2400 instruction_access_bit_fault |
HEAVYWEIGHT_HANDLER 0x2800 data_access_bit_fault |
HEAVYWEIGHT_HANDLER 0x2c00 break_instruction |
HEAVYWEIGHT_HANDLER 0x3000 external_interrupt /* For external interrupt, heavyweight handler is used. */ |
HEAVYWEIGHT_HANDLER 0x3400 |
HEAVYWEIGHT_HANDLER 0x3800 |
HEAVYWEIGHT_HANDLER 0x3c00 |
HEAVYWEIGHT_HANDLER 0x4000 |
HEAVYWEIGHT_HANDLER 0x4400 |
HEAVYWEIGHT_HANDLER 0x4800 |
HEAVYWEIGHT_HANDLER 0x4c00 |
HEAVYWEIGHT_HANDLER 0x5000 page_not_present |
HEAVYWEIGHT_HANDLER 0x5100 |
HEAVYWEIGHT_HANDLER 0x5200 |
HEAVYWEIGHT_HANDLER 0x5300 data_access_rights_fault |
HEAVYWEIGHT_HANDLER 0x5400 general_exception |
HEAVYWEIGHT_HANDLER 0x5500 disabled_fp_register |
HEAVYWEIGHT_HANDLER 0x5600 |
HEAVYWEIGHT_HANDLER 0x5700 |
HEAVYWEIGHT_HANDLER 0x5800 |
HEAVYWEIGHT_HANDLER 0x5900 |
HEAVYWEIGHT_HANDLER 0x5a00 |
HEAVYWEIGHT_HANDLER 0x5b00 |
HEAVYWEIGHT_HANDLER 0x5c00 |
HEAVYWEIGHT_HANDLER 0x5d00 |
HEAVYWEIGHT_HANDLER 0x5e00 |
HEAVYWEIGHT_HANDLER 0x5f00 |
HEAVYWEIGHT_HANDLER 0x6000 |
HEAVYWEIGHT_HANDLER 0x6100 |
HEAVYWEIGHT_HANDLER 0x6200 |
HEAVYWEIGHT_HANDLER 0x6300 |
HEAVYWEIGHT_HANDLER 0x6400 |
HEAVYWEIGHT_HANDLER 0x6500 |
HEAVYWEIGHT_HANDLER 0x6600 |
HEAVYWEIGHT_HANDLER 0x6700 |
HEAVYWEIGHT_HANDLER 0x6800 |
HEAVYWEIGHT_HANDLER 0x6900 |
HEAVYWEIGHT_HANDLER 0x6a00 |
HEAVYWEIGHT_HANDLER 0x6b00 |
HEAVYWEIGHT_HANDLER 0x6c00 |
HEAVYWEIGHT_HANDLER 0x6d00 |
HEAVYWEIGHT_HANDLER 0x6e00 |
HEAVYWEIGHT_HANDLER 0x6f00 |
HEAVYWEIGHT_HANDLER 0x7000 |
HEAVYWEIGHT_HANDLER 0x7100 |
HEAVYWEIGHT_HANDLER 0x7200 |
HEAVYWEIGHT_HANDLER 0x7300 |
HEAVYWEIGHT_HANDLER 0x7400 |
HEAVYWEIGHT_HANDLER 0x7500 |
HEAVYWEIGHT_HANDLER 0x7600 |
HEAVYWEIGHT_HANDLER 0x7700 |
HEAVYWEIGHT_HANDLER 0x7800 |
HEAVYWEIGHT_HANDLER 0x7900 |
HEAVYWEIGHT_HANDLER 0x7a00 |
HEAVYWEIGHT_HANDLER 0x7b00 |
HEAVYWEIGHT_HANDLER 0x7c00 |
HEAVYWEIGHT_HANDLER 0x7d00 |
HEAVYWEIGHT_HANDLER 0x7e00 |
HEAVYWEIGHT_HANDLER 0x7f00 |
/branches/arm/kernel/arch/ia64/src/mm/tlb.c |
---|
0,0 → 1,792 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64mm |
* @{ |
*/ |
/** @file |
*/ |
/* |
* TLB management. |
*/ |
#include <mm/tlb.h> |
#include <mm/asid.h> |
#include <mm/page.h> |
#include <mm/as.h> |
#include <arch/mm/tlb.h> |
#include <arch/mm/page.h> |
#include <arch/mm/vhpt.h> |
#include <arch/barrier.h> |
#include <arch/interrupt.h> |
#include <arch/pal/pal.h> |
#include <arch/asm.h> |
#include <panic.h> |
#include <print.h> |
#include <arch.h> |
#include <interrupt.h> |
/** Invalidate all TLB entries. */ |
void tlb_invalidate_all(void) |
{ |
ipl_t ipl; |
uintptr_t adr; |
uint32_t count1, count2, stride1, stride2; |
unsigned int i, j; |
adr = PAL_PTCE_INFO_BASE(); |
count1 = PAL_PTCE_INFO_COUNT1(); |
count2 = PAL_PTCE_INFO_COUNT2(); |
stride1 = PAL_PTCE_INFO_STRIDE1(); |
stride2 = PAL_PTCE_INFO_STRIDE2(); |
ipl = interrupts_disable(); |
for (i = 0; i < count1; i++) { |
for (j = 0; j < count2; j++) { |
asm volatile ( |
"ptc.e %0 ;;" |
: |
: "r" (adr) |
); |
adr += stride2; |
} |
adr += stride1; |
} |
interrupts_restore(ipl); |
srlz_d(); |
srlz_i(); |
#ifdef CONFIG_VHPT |
vhpt_invalidate_all(); |
#endif |
} |
/** Invalidate entries belonging to an address space. |
* |
* @param asid Address space identifier. |
*/ |
void tlb_invalidate_asid(asid_t asid) |
{ |
tlb_invalidate_all(); |
} |
void tlb_invalidate_pages(asid_t asid, uintptr_t page, size_t cnt) |
{ |
region_register rr; |
bool restore_rr = false; |
int b = 0; |
int c = cnt; |
uintptr_t va; |
va = page; |
rr.word = rr_read(VA2VRN(va)); |
if ((restore_rr = (rr.map.rid != ASID2RID(asid, VA2VRN(va))))) { |
/* |
* The selected region register does not contain required RID. |
* Save the old content of the register and replace the RID. |
*/ |
region_register rr0; |
rr0 = rr; |
rr0.map.rid = ASID2RID(asid, VA2VRN(va)); |
rr_write(VA2VRN(va), rr0.word); |
srlz_d(); |
srlz_i(); |
} |
while(c >>= 1) |
b++; |
b >>= 1; |
uint64_t ps; |
switch (b) { |
case 0: /* cnt 1 - 3 */ |
ps = PAGE_WIDTH; |
break; |
case 1: /* cnt 4 - 15 */ |
ps = PAGE_WIDTH + 2; |
va &= ~((1 << ps) - 1); |
break; |
case 2: /* cnt 16 - 63 */ |
ps = PAGE_WIDTH + 4; |
va &= ~((1 << ps) - 1); |
break; |
case 3: /* cnt 64 - 255 */ |
ps = PAGE_WIDTH + 6; |
va &= ~((1 << ps) - 1); |
break; |
case 4: /* cnt 256 - 1023 */ |
ps = PAGE_WIDTH + 8; |
va &= ~((1 << ps) - 1); |
break; |
case 5: /* cnt 1024 - 4095 */ |
ps = PAGE_WIDTH + 10; |
va &= ~((1 << ps) - 1); |
break; |
case 6: /* cnt 4096 - 16383 */ |
ps = PAGE_WIDTH + 12; |
va &= ~((1 << ps) - 1); |
break; |
case 7: /* cnt 16384 - 65535 */ |
case 8: /* cnt 65536 - (256K - 1) */ |
ps = PAGE_WIDTH + 14; |
va &= ~((1 << ps) - 1); |
break; |
default: |
ps = PAGE_WIDTH + 18; |
va &= ~((1 << ps) - 1); |
break; |
} |
for(; va < (page + cnt * PAGE_SIZE); va += (1 << ps)) |
asm volatile ("ptc.l %0, %1;;" :: "r" (va), "r" (ps << 2)); |
srlz_d(); |
srlz_i(); |
if (restore_rr) { |
rr_write(VA2VRN(va), rr.word); |
srlz_d(); |
srlz_i(); |
} |
} |
/** Insert data into data translation cache. |
* |
* @param va Virtual page address. |
* @param asid Address space identifier. |
* @param entry The rest of TLB entry as required by TLB insertion |
* format. |
*/ |
void dtc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry) |
{ |
tc_mapping_insert(va, asid, entry, true); |
} |
/** Insert data into instruction translation cache. |
* |
* @param va Virtual page address. |
* @param asid Address space identifier. |
* @param entry The rest of TLB entry as required by TLB insertion |
* format. |
*/ |
void itc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry) |
{ |
tc_mapping_insert(va, asid, entry, false); |
} |
/** Insert data into instruction or data translation cache. |
* |
* @param va Virtual page address. |
* @param asid Address space identifier. |
* @param entry The rest of TLB entry as required by TLB insertion |
* format. |
* @param dtc If true, insert into data translation cache, use |
* instruction translation cache otherwise. |
*/ |
void tc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtc) |
{ |
region_register rr; |
bool restore_rr = false; |
rr.word = rr_read(VA2VRN(va)); |
if ((restore_rr = (rr.map.rid != ASID2RID(asid, VA2VRN(va))))) { |
/* |
* The selected region register does not contain required RID. |
* Save the old content of the register and replace the RID. |
*/ |
region_register rr0; |
rr0 = rr; |
rr0.map.rid = ASID2RID(asid, VA2VRN(va)); |
rr_write(VA2VRN(va), rr0.word); |
srlz_d(); |
srlz_i(); |
} |
asm volatile ( |
"mov r8 = psr;;\n" |
"rsm %0;;\n" /* PSR_IC_MASK */ |
"srlz.d;;\n" |
"srlz.i;;\n" |
"mov cr.ifa = %1\n" /* va */ |
"mov cr.itir = %2;;\n" /* entry.word[1] */ |
"cmp.eq p6,p7 = %4,r0;;\n" /* decide between itc and dtc */ |
"(p6) itc.i %3;;\n" |
"(p7) itc.d %3;;\n" |
"mov psr.l = r8;;\n" |
"srlz.d;;\n" |
: |
: "i" (PSR_IC_MASK), "r" (va), "r" (entry.word[1]), |
"r" (entry.word[0]), "r" (dtc) |
: "p6", "p7", "r8" |
); |
if (restore_rr) { |
rr_write(VA2VRN(va), rr.word); |
srlz_d(); |
srlz_i(); |
} |
} |
/** Insert data into instruction translation register. |
* |
* @param va Virtual page address. |
* @param asid Address space identifier. |
* @param entry The rest of TLB entry as required by TLB insertion |
* format. |
* @param tr Translation register. |
*/ |
void |
itr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, size_t tr) |
{ |
tr_mapping_insert(va, asid, entry, false, tr); |
} |
/** Insert data into data translation register. |
* |
* @param va Virtual page address. |
* @param asid Address space identifier. |
* @param entry The rest of TLB entry as required by TLB insertion |
* format. |
* @param tr Translation register. |
*/ |
void |
dtr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, size_t tr) |
{ |
tr_mapping_insert(va, asid, entry, true, tr); |
} |
/** Insert data into instruction or data translation register. |
* |
* @param va Virtual page address. |
* @param asid Address space identifier. |
* @param entry The rest of TLB entry as required by TLB insertion |
* format. |
* @param dtr If true, insert into data translation register, use |
* instruction translation register otherwise. |
* @param tr Translation register. |
*/ |
void |
tr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtr, |
size_t tr) |
{ |
region_register rr; |
bool restore_rr = false; |
rr.word = rr_read(VA2VRN(va)); |
if ((restore_rr = (rr.map.rid != ASID2RID(asid, VA2VRN(va))))) { |
/* |
* The selected region register does not contain required RID. |
* Save the old content of the register and replace the RID. |
*/ |
region_register rr0; |
rr0 = rr; |
rr0.map.rid = ASID2RID(asid, VA2VRN(va)); |
rr_write(VA2VRN(va), rr0.word); |
srlz_d(); |
srlz_i(); |
} |
asm volatile ( |
"mov r8 = psr;;\n" |
"rsm %0;;\n" /* PSR_IC_MASK */ |
"srlz.d;;\n" |
"srlz.i;;\n" |
"mov cr.ifa = %1\n" /* va */ |
"mov cr.itir = %2;;\n" /* entry.word[1] */ |
"cmp.eq p6,p7 = %5,r0;;\n" /* decide between itr and dtr */ |
"(p6) itr.i itr[%4] = %3;;\n" |
"(p7) itr.d dtr[%4] = %3;;\n" |
"mov psr.l = r8;;\n" |
"srlz.d;;\n" |
: |
: "i" (PSR_IC_MASK), "r" (va), "r" (entry.word[1]), |
"r" (entry.word[0]), "r" (tr), "r" (dtr) |
: "p6", "p7", "r8" |
); |
if (restore_rr) { |
rr_write(VA2VRN(va), rr.word); |
srlz_d(); |
srlz_i(); |
} |
} |
/** Insert data into DTLB. |
* |
* @param page Virtual page address including VRN bits. |
* @param frame Physical frame address. |
* @param dtr If true, insert into data translation register, use data |
* translation cache otherwise. |
* @param tr Translation register if dtr is true, ignored otherwise. |
*/ |
void |
dtlb_kernel_mapping_insert(uintptr_t page, uintptr_t frame, bool dtr, |
size_t tr) |
{ |
tlb_entry_t entry; |
entry.word[0] = 0; |
entry.word[1] = 0; |
entry.p = true; /* present */ |
entry.ma = MA_WRITEBACK; |
entry.a = true; /* already accessed */ |
entry.d = true; /* already dirty */ |
entry.pl = PL_KERNEL; |
entry.ar = AR_READ | AR_WRITE; |
entry.ppn = frame >> PPN_SHIFT; |
entry.ps = PAGE_WIDTH; |
if (dtr) |
dtr_mapping_insert(page, ASID_KERNEL, entry, tr); |
else |
dtc_mapping_insert(page, ASID_KERNEL, entry); |
} |
/** Purge kernel entries from DTR. |
* |
* Purge DTR entries used by the kernel. |
* |
* @param page Virtual page address including VRN bits. |
* @param width Width of the purge in bits. |
*/ |
void dtr_purge(uintptr_t page, size_t width) |
{ |
asm volatile ("ptr.d %0, %1\n" : : "r" (page), "r" (width << 2)); |
} |
/** Copy content of PTE into data translation cache. |
* |
* @param t PTE. |
*/ |
void dtc_pte_copy(pte_t *t) |
{ |
tlb_entry_t entry; |
entry.word[0] = 0; |
entry.word[1] = 0; |
entry.p = t->p; |
entry.ma = t->c ? MA_WRITEBACK : MA_UNCACHEABLE; |
entry.a = t->a; |
entry.d = t->d; |
entry.pl = t->k ? PL_KERNEL : PL_USER; |
entry.ar = t->w ? AR_WRITE : AR_READ; |
entry.ppn = t->frame >> PPN_SHIFT; |
entry.ps = PAGE_WIDTH; |
dtc_mapping_insert(t->page, t->as->asid, entry); |
#ifdef CONFIG_VHPT |
vhpt_mapping_insert(t->page, t->as->asid, entry); |
#endif |
} |
/** Copy content of PTE into instruction translation cache. |
* |
* @param t PTE. |
*/ |
void itc_pte_copy(pte_t *t) |
{ |
tlb_entry_t entry; |
entry.word[0] = 0; |
entry.word[1] = 0; |
ASSERT(t->x); |
entry.p = t->p; |
entry.ma = t->c ? MA_WRITEBACK : MA_UNCACHEABLE; |
entry.a = t->a; |
entry.pl = t->k ? PL_KERNEL : PL_USER; |
entry.ar = t->x ? (AR_EXECUTE | AR_READ) : AR_READ; |
entry.ppn = t->frame >> PPN_SHIFT; |
entry.ps = PAGE_WIDTH; |
itc_mapping_insert(t->page, t->as->asid, entry); |
#ifdef CONFIG_VHPT |
vhpt_mapping_insert(t->page, t->as->asid, entry); |
#endif |
} |
/** Instruction TLB fault handler for faults with VHPT turned off. |
* |
* @param vector Interruption vector. |
* @param istate Structure with saved interruption state. |
*/ |
void alternate_instruction_tlb_fault(uint64_t vector, istate_t *istate) |
{ |
region_register rr; |
rid_t rid; |
uintptr_t va; |
pte_t *t; |
va = istate->cr_ifa; /* faulting address */ |
rr.word = rr_read(VA2VRN(va)); |
rid = rr.map.rid; |
page_table_lock(AS, true); |
t = page_mapping_find(AS, va); |
if (t) { |
/* |
* The mapping was found in software page hash table. |
* Insert it into data translation cache. |
*/ |
itc_pte_copy(t); |
page_table_unlock(AS, true); |
} else { |
/* |
* Forward the page fault to address space page fault handler. |
*/ |
page_table_unlock(AS, true); |
if (as_page_fault(va, PF_ACCESS_EXEC, istate) == AS_PF_FAULT) { |
fault_if_from_uspace(istate,"Page fault at %p.",va); |
panic("%s: va=%p, rid=%d, iip=%p.", __func__, va, rid, |
istate->cr_iip); |
} |
} |
} |
static int is_io_page_accessible(int page) |
{ |
if (TASK->arch.iomap) |
return bitmap_get(TASK->arch.iomap, page); |
else |
return 0; |
} |
#define IO_FRAME_BASE 0xFFFFC000000 |
/** |
* There is special handling of memory mapped legacy io, because of 4KB sized |
* access for userspace. |
* |
* @param va Virtual address of page fault. |
* @param istate Structure with saved interruption state. |
* |
* @return One on success, zero on failure. |
*/ |
static int try_memmap_io_insertion(uintptr_t va, istate_t *istate) |
{ |
if ((va >= IO_OFFSET ) && (va < IO_OFFSET + (1 << IO_PAGE_WIDTH))) { |
if (TASK) { |
uint64_t io_page = (va & ((1 << IO_PAGE_WIDTH) - 1)) >> |
USPACE_IO_PAGE_WIDTH; |
if (is_io_page_accessible(io_page)) { |
uint64_t page, frame; |
page = IO_OFFSET + |
(1 << USPACE_IO_PAGE_WIDTH) * io_page; |
frame = IO_FRAME_BASE + |
(1 << USPACE_IO_PAGE_WIDTH) * io_page; |
tlb_entry_t entry; |
entry.word[0] = 0; |
entry.word[1] = 0; |
entry.p = true; /* present */ |
entry.ma = MA_UNCACHEABLE; |
entry.a = true; /* already accessed */ |
entry.d = true; /* already dirty */ |
entry.pl = PL_USER; |
entry.ar = AR_READ | AR_WRITE; |
entry.ppn = frame >> PPN_SHIFT; |
entry.ps = USPACE_IO_PAGE_WIDTH; |
dtc_mapping_insert(page, TASK->as->asid, entry); |
return 1; |
} else { |
fault_if_from_uspace(istate, |
"IO access fault at %p.", va); |
} |
} |
} |
return 0; |
} |
/** Data TLB fault handler for faults with VHPT turned off. |
* |
* @param vector Interruption vector. |
* @param istate Structure with saved interruption state. |
*/ |
void alternate_data_tlb_fault(uint64_t vector, istate_t *istate) |
{ |
region_register rr; |
rid_t rid; |
uintptr_t va; |
pte_t *t; |
va = istate->cr_ifa; /* faulting address */ |
rr.word = rr_read(VA2VRN(va)); |
rid = rr.map.rid; |
if (RID2ASID(rid) == ASID_KERNEL) { |
if (VA2VRN(va) == VRN_KERNEL) { |
/* |
* Provide KA2PA(identity) mapping for faulting piece of |
* kernel address space. |
*/ |
dtlb_kernel_mapping_insert(va, KA2PA(va), false, 0); |
return; |
} |
} |
page_table_lock(AS, true); |
t = page_mapping_find(AS, va); |
if (t) { |
/* |
* The mapping was found in the software page hash table. |
* Insert it into data translation cache. |
*/ |
dtc_pte_copy(t); |
page_table_unlock(AS, true); |
} else { |
page_table_unlock(AS, true); |
if (try_memmap_io_insertion(va, istate)) |
return; |
/* |
* Forward the page fault to the address space page fault |
* handler. |
*/ |
if (as_page_fault(va, PF_ACCESS_READ, istate) == AS_PF_FAULT) { |
fault_if_from_uspace(istate,"Page fault at %p.",va); |
panic("%s: va=%p, rid=%d, iip=%p.", __func__, va, rid, |
istate->cr_iip); |
} |
} |
} |
/** Data nested TLB fault handler. |
* |
* This fault should not occur. |
* |
* @param vector Interruption vector. |
* @param istate Structure with saved interruption state. |
*/ |
void data_nested_tlb_fault(uint64_t vector, istate_t *istate) |
{ |
panic("%s.", __func__); |
} |
/** Data Dirty bit fault handler. |
* |
* @param vector Interruption vector. |
* @param istate Structure with saved interruption state. |
*/ |
void data_dirty_bit_fault(uint64_t vector, istate_t *istate) |
{ |
region_register rr; |
rid_t rid; |
uintptr_t va; |
pte_t *t; |
va = istate->cr_ifa; /* faulting address */ |
rr.word = rr_read(VA2VRN(va)); |
rid = rr.map.rid; |
page_table_lock(AS, true); |
t = page_mapping_find(AS, va); |
ASSERT(t && t->p); |
if (t && t->p && t->w) { |
/* |
* Update the Dirty bit in page tables and reinsert |
* the mapping into DTC. |
*/ |
t->d = true; |
dtc_pte_copy(t); |
} else { |
if (as_page_fault(va, PF_ACCESS_WRITE, istate) == AS_PF_FAULT) { |
fault_if_from_uspace(istate,"Page fault at %p.",va); |
panic("%s: va=%p, rid=%d, iip=%p.", __func__, va, rid, |
istate->cr_iip); |
} |
} |
page_table_unlock(AS, true); |
} |
/** Instruction access bit fault handler. |
* |
* @param vector Interruption vector. |
* @param istate Structure with saved interruption state. |
*/ |
void instruction_access_bit_fault(uint64_t vector, istate_t *istate) |
{ |
region_register rr; |
rid_t rid; |
uintptr_t va; |
pte_t *t; |
va = istate->cr_ifa; /* faulting address */ |
rr.word = rr_read(VA2VRN(va)); |
rid = rr.map.rid; |
page_table_lock(AS, true); |
t = page_mapping_find(AS, va); |
ASSERT(t && t->p); |
if (t && t->p && t->x) { |
/* |
* Update the Accessed bit in page tables and reinsert |
* the mapping into ITC. |
*/ |
t->a = true; |
itc_pte_copy(t); |
} else { |
if (as_page_fault(va, PF_ACCESS_EXEC, istate) == AS_PF_FAULT) { |
fault_if_from_uspace(istate, "Page fault at %p.", va); |
panic("%s: va=%p, rid=%d, iip=%p.", __func__, va, rid, |
istate->cr_iip); |
} |
} |
page_table_unlock(AS, true); |
} |
/** Data access bit fault handler. |
* |
* @param vector Interruption vector. |
* @param istate Structure with saved interruption state. |
*/ |
void data_access_bit_fault(uint64_t vector, istate_t *istate) |
{ |
region_register rr; |
rid_t rid; |
uintptr_t va; |
pte_t *t; |
va = istate->cr_ifa; /* faulting address */ |
rr.word = rr_read(VA2VRN(va)); |
rid = rr.map.rid; |
page_table_lock(AS, true); |
t = page_mapping_find(AS, va); |
ASSERT(t && t->p); |
if (t && t->p) { |
/* |
* Update the Accessed bit in page tables and reinsert |
* the mapping into DTC. |
*/ |
t->a = true; |
dtc_pte_copy(t); |
} else { |
if (as_page_fault(va, PF_ACCESS_READ, istate) == AS_PF_FAULT) { |
fault_if_from_uspace(istate, "Page fault at %p.", va); |
panic("%s: va=%p, rid=%d, iip=%p.", __func__, va, rid, |
istate->cr_iip); |
} |
} |
page_table_unlock(AS, true); |
} |
/** Data access rights fault handler. |
* |
* @param vector Interruption vector. |
* @param istate Structure with saved interruption state. |
*/ |
void data_access_rights_fault(uint64_t vector, istate_t *istate) |
{ |
region_register rr; |
rid_t rid; |
uintptr_t va; |
pte_t *t; |
va = istate->cr_ifa; /* faulting address */ |
rr.word = rr_read(VA2VRN(va)); |
rid = rr.map.rid; |
/* |
* Assume a write to a read-only page. |
*/ |
page_table_lock(AS, true); |
t = page_mapping_find(AS, va); |
ASSERT(t && t->p); |
ASSERT(!t->w); |
if (as_page_fault(va, PF_ACCESS_WRITE, istate) == AS_PF_FAULT) { |
fault_if_from_uspace(istate, "Page fault at %p.", va); |
panic("%s: va=%p, rid=%d, iip=%p.", __func__, va, rid, |
istate->cr_iip); |
} |
page_table_unlock(AS, true); |
} |
/** Page not present fault handler. |
* |
* @param vector Interruption vector. |
* @param istate Structure with saved interruption state. |
*/ |
void page_not_present(uint64_t vector, istate_t *istate) |
{ |
region_register rr; |
rid_t rid; |
uintptr_t va; |
pte_t *t; |
va = istate->cr_ifa; /* faulting address */ |
rr.word = rr_read(VA2VRN(va)); |
rid = rr.map.rid; |
page_table_lock(AS, true); |
t = page_mapping_find(AS, va); |
ASSERT(t); |
if (t->p) { |
/* |
* If the Present bit is set in page hash table, just copy it |
* and update ITC/DTC. |
*/ |
if (t->x) |
itc_pte_copy(t); |
else |
dtc_pte_copy(t); |
page_table_unlock(AS, true); |
} else { |
page_table_unlock(AS, true); |
if (as_page_fault(va, PF_ACCESS_READ, istate) == AS_PF_FAULT) { |
fault_if_from_uspace(istate, "Page fault at %p.", va); |
panic("%s: va=%p, rid=%d.", __func__, va, rid); |
} |
} |
} |
void tlb_arch_init(void) |
{ |
} |
void tlb_print(void) |
{ |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/src/mm/vhpt.c |
---|
0,0 → 1,94 |
/* |
* Copyright (c) 2006 Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64mm |
* @{ |
*/ |
/** @file |
*/ |
#include <memstr.h> |
#include <arch/mm/vhpt.h> |
#include <mm/frame.h> |
#include <print.h> |
static vhpt_entry_t* vhpt_base; |
uintptr_t vhpt_set_up(void) |
{ |
vhpt_base = frame_alloc(VHPT_WIDTH - FRAME_WIDTH, |
FRAME_KA | FRAME_ATOMIC); |
if (!vhpt_base) |
panic("Kernel configured with VHPT but no memory for table."); |
vhpt_invalidate_all(); |
return (uintptr_t) vhpt_base; |
} |
void vhpt_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry) |
{ |
region_register rr_save, rr; |
size_t vrn; |
rid_t rid; |
uint64_t tag; |
vhpt_entry_t *ventry; |
vrn = va >> VRN_SHIFT; |
rid = ASID2RID(asid, vrn); |
rr_save.word = rr_read(vrn); |
rr.word = rr_save.word; |
rr.map.rid = rid; |
rr_write(vrn, rr.word); |
srlz_i(); |
ventry = (vhpt_entry_t *) thash(va); |
tag = ttag(va); |
rr_write(vrn, rr_save.word); |
srlz_i(); |
srlz_d(); |
ventry->word[0] = entry.word[0]; |
ventry->word[1] = entry.word[1]; |
ventry->present.tag.tag_word = tag; |
} |
void vhpt_invalidate_all() |
{ |
memsetb(vhpt_base, 1 << VHPT_WIDTH, 0); |
} |
void vhpt_invalidate_asid(asid_t asid) |
{ |
vhpt_invalidate_all(); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/src/mm/page.c |
---|
0,0 → 1,278 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* Copyright (c) 2006 Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64mm |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/mm/page.h> |
#include <genarch/mm/page_ht.h> |
#include <mm/asid.h> |
#include <arch/mm/asid.h> |
#include <arch/mm/vhpt.h> |
#include <arch/types.h> |
#include <print.h> |
#include <mm/page.h> |
#include <mm/frame.h> |
#include <config.h> |
#include <panic.h> |
#include <arch/asm.h> |
#include <arch/barrier.h> |
#include <memstr.h> |
#include <align.h> |
static void set_environment(void); |
/** Initialize ia64 virtual address translation subsystem. */ |
void page_arch_init(void) |
{ |
page_mapping_operations = &ht_mapping_operations; |
pk_disable(); |
set_environment(); |
} |
/** Initialize VHPT and region registers. */ |
void set_environment(void) |
{ |
region_register rr; |
pta_register pta; |
int i; |
#ifdef CONFIG_VHPT |
uintptr_t vhpt_base; |
#endif |
/* |
* First set up kernel region register. |
* This is redundant (see start.S) but we keep it here just for sure. |
*/ |
rr.word = rr_read(VRN_KERNEL); |
rr.map.ve = 0; /* disable VHPT walker */ |
rr.map.ps = PAGE_WIDTH; |
rr.map.rid = ASID2RID(ASID_KERNEL, VRN_KERNEL); |
rr_write(VRN_KERNEL, rr.word); |
srlz_i(); |
srlz_d(); |
/* |
* And setup the rest of region register. |
*/ |
for(i = 0; i < REGION_REGISTERS; i++) { |
/* skip kernel rr */ |
if (i == VRN_KERNEL) |
continue; |
rr.word = rr_read(i); |
rr.map.ve = 0; /* disable VHPT walker */ |
rr.map.rid = RID_KERNEL; |
rr.map.ps = PAGE_WIDTH; |
rr_write(i, rr.word); |
srlz_i(); |
srlz_d(); |
} |
#ifdef CONFIG_VHPT |
vhpt_base = vhpt_set_up(); |
#endif |
/* |
* Set up PTA register. |
*/ |
pta.word = pta_read(); |
#ifndef CONFIG_VHPT |
pta.map.ve = 0; /* disable VHPT walker */ |
pta.map.base = 0 >> PTA_BASE_SHIFT; |
#else |
pta.map.ve = 1; /* enable VHPT walker */ |
pta.map.base = vhpt_base >> PTA_BASE_SHIFT; |
#endif |
pta.map.vf = 1; /* large entry format */ |
pta.map.size = VHPT_WIDTH; |
pta_write(pta.word); |
srlz_i(); |
srlz_d(); |
} |
/** Calculate address of collision chain from VPN and ASID. |
* |
* Interrupts must be disabled. |
* |
* @param page Address of virtual page including VRN bits. |
* @param asid Address space identifier. |
* |
* @return VHPT entry address. |
*/ |
vhpt_entry_t *vhpt_hash(uintptr_t page, asid_t asid) |
{ |
region_register rr_save, rr; |
size_t vrn; |
rid_t rid; |
vhpt_entry_t *v; |
vrn = page >> VRN_SHIFT; |
rid = ASID2RID(asid, vrn); |
rr_save.word = rr_read(vrn); |
if (rr_save.map.rid == rid) { |
/* |
* The RID is already in place, compute thash and return. |
*/ |
v = (vhpt_entry_t *) thash(page); |
return v; |
} |
/* |
* The RID must be written to some region register. |
* To speed things up, register indexed by vrn is used. |
*/ |
rr.word = rr_save.word; |
rr.map.rid = rid; |
rr_write(vrn, rr.word); |
srlz_i(); |
v = (vhpt_entry_t *) thash(page); |
rr_write(vrn, rr_save.word); |
srlz_i(); |
srlz_d(); |
return v; |
} |
/** Compare ASID and VPN against PTE. |
* |
* Interrupts must be disabled. |
* |
* @param page Address of virtual page including VRN bits. |
* @param asid Address space identifier. |
* |
* @return True if page and asid match the page and asid of t, |
* false otherwise. |
*/ |
bool vhpt_compare(uintptr_t page, asid_t asid, vhpt_entry_t *v) |
{ |
region_register rr_save, rr; |
size_t vrn; |
rid_t rid; |
bool match; |
ASSERT(v); |
vrn = page >> VRN_SHIFT; |
rid = ASID2RID(asid, vrn); |
rr_save.word = rr_read(vrn); |
if (rr_save.map.rid == rid) { |
/* |
* The RID is already in place, compare ttag with t and return. |
*/ |
return ttag(page) == v->present.tag.tag_word; |
} |
/* |
* The RID must be written to some region register. |
* To speed things up, register indexed by vrn is used. |
*/ |
rr.word = rr_save.word; |
rr.map.rid = rid; |
rr_write(vrn, rr.word); |
srlz_i(); |
match = (ttag(page) == v->present.tag.tag_word); |
rr_write(vrn, rr_save.word); |
srlz_i(); |
srlz_d(); |
return match; |
} |
/** Set up one VHPT entry. |
* |
* @param v VHPT entry to be set up. |
* @param page Virtual address of the page mapped by the entry. |
* @param asid Address space identifier of the address space to which |
* page belongs. |
* @param frame Physical address of the frame to wich page is mapped. |
* @param flags Different flags for the mapping. |
*/ |
void |
vhpt_set_record(vhpt_entry_t *v, uintptr_t page, asid_t asid, uintptr_t frame, |
int flags) |
{ |
region_register rr_save, rr; |
size_t vrn; |
rid_t rid; |
uint64_t tag; |
ASSERT(v); |
vrn = page >> VRN_SHIFT; |
rid = ASID2RID(asid, vrn); |
/* |
* Compute ttag. |
*/ |
rr_save.word = rr_read(vrn); |
rr.word = rr_save.word; |
rr.map.rid = rid; |
rr_write(vrn, rr.word); |
srlz_i(); |
tag = ttag(page); |
rr_write(vrn, rr_save.word); |
srlz_i(); |
srlz_d(); |
/* |
* Clear the entry. |
*/ |
v->word[0] = 0; |
v->word[1] = 0; |
v->word[2] = 0; |
v->word[3] = 0; |
v->present.p = true; |
v->present.ma = (flags & PAGE_CACHEABLE) ? |
MA_WRITEBACK : MA_UNCACHEABLE; |
v->present.a = false; /* not accessed */ |
v->present.d = false; /* not dirty */ |
v->present.pl = (flags & PAGE_USER) ? PL_USER : PL_KERNEL; |
v->present.ar = (flags & PAGE_WRITE) ? AR_WRITE : AR_READ; |
v->present.ar |= (flags & PAGE_EXEC) ? AR_EXECUTE : 0; |
v->present.ppn = frame >> PPN_SHIFT; |
v->present.ed = false; /* exception not deffered */ |
v->present.ps = PAGE_WIDTH; |
v->present.key = 0; |
v->present.tag.tag_word = tag; |
} |
uintptr_t hw_map(uintptr_t physaddr, size_t size __attribute__ ((unused))) |
{ |
/* THIS is a dirty hack. */ |
return (uintptr_t)((uint64_t)(PA2KA(physaddr)) + VIO_OFFSET); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/src/mm/frame.c |
---|
0,0 → 1,91 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64mm |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/mm/frame.h> |
#include <mm/frame.h> |
#include <config.h> |
#include <panic.h> |
#include <arch/bootinfo.h> |
#include <align.h> |
#include <macros.h> |
#define KERNEL_RESERVED_AREA_BASE (0x4400000) |
#define KERNEL_RESERVED_AREA_SIZE (16 * 1024 * 1024) |
#define ROM_BASE 0xa0000 /* for simulators */ |
#define ROM_SIZE (384 * 1024) /* for simulators */ |
#define MIN_ZONE_SIZE (64 * 1024) |
#define MINCONF 1 |
uintptr_t last_frame = 0; |
void frame_arch_init(void) |
{ |
if (config.cpu_active == 1) { |
unsigned int i; |
for (i = 0; i < bootinfo->memmap_items; i++) { |
if (bootinfo->memmap[i].type == EFI_MEMMAP_FREE_MEM) { |
uint64_t base = bootinfo->memmap[i].base; |
uint64_t size = bootinfo->memmap[i].size; |
uint64_t abase = ALIGN_UP(base, FRAME_SIZE); |
if (size > FRAME_SIZE) |
size -= abase - base; |
if (size > MIN_ZONE_SIZE) { |
zone_create(abase >> FRAME_WIDTH, |
size >> FRAME_WIDTH, |
max(MINCONF, abase >> FRAME_WIDTH), |
0); |
} |
if (abase + size > last_frame) |
last_frame = abase + size; |
} |
} |
/* |
* Blacklist ROM regions. |
*/ |
frame_mark_unavailable(ADDR2PFN(ROM_BASE), |
SIZE2FRAMES(ROM_SIZE)); |
frame_mark_unavailable(ADDR2PFN(KERNEL_RESERVED_AREA_BASE), |
SIZE2FRAMES(KERNEL_RESERVED_AREA_SIZE)); |
} |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/src/mm/as.c |
---|
0,0 → 1,81 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64mm |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/mm/as.h> |
#include <arch/mm/asid.h> |
#include <arch/mm/page.h> |
#include <genarch/mm/as_ht.h> |
#include <genarch/mm/page_ht.h> |
#include <genarch/mm/asid_fifo.h> |
#include <mm/asid.h> |
#include <arch/barrier.h> |
/** Architecture dependent address space init. */ |
void as_arch_init(void) |
{ |
as_operations = &as_ht_operations; |
asid_fifo_init(); |
} |
/** Prepare registers for switching to another address space. |
* |
* @param as Address space. |
*/ |
void as_install_arch(as_t *as) |
{ |
region_register rr; |
int i; |
ASSERT(as->asid != ASID_INVALID); |
/* |
* Load respective ASID (7 consecutive RIDs) to |
* region registers. |
*/ |
for (i = 0; i < REGION_REGISTERS; i++) { |
if (i == VRN_KERNEL) |
continue; |
rr.word = rr_read(i); |
rr.map.ve = false; /* disable VHPT walker */ |
rr.map.rid = ASID2RID(as->asid, i); |
rr.map.ps = PAGE_WIDTH; |
rr_write(i, rr.word); |
} |
srlz_d(); |
srlz_i(); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/src/drivers/ski.c |
---|
0,0 → 1,246 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/drivers/ski.h> |
#include <console/console.h> |
#include <console/chardev.h> |
#include <sysinfo/sysinfo.h> |
#include <arch/types.h> |
#include <proc/thread.h> |
#include <synch/spinlock.h> |
#include <arch/asm.h> |
#include <arch/drivers/kbd.h> |
#include <string.h> |
#include <arch.h> |
enum { |
/** Interval between polling in microseconds */ |
POLL_INTERVAL = 10000, /* 0.01 s */ |
/** Max. number of characters to pull out at a time */ |
POLL_LIMIT = 30, |
SKI_INIT_CONSOLE = 20, |
SKI_GETCHAR = 21, |
SKI_PUTCHAR = 31 |
}; |
static void ski_putchar(outdev_t *, const wchar_t, bool); |
static outdev_operations_t skiout_ops = { |
.write = ski_putchar |
}; |
static outdev_t skiout; /**< Ski output device. */ |
static bool initialized = false; |
static bool kbd_disabled = false; |
/** Initialize debug console |
* |
* Issue SSC (Simulator System Call) to |
* to open debug console. |
* |
*/ |
static void ski_init(void) |
{ |
if (initialized) |
return; |
asm volatile ( |
"mov r15 = %0\n" |
"break 0x80000\n" |
: |
: "i" (SKI_INIT_CONSOLE) |
: "r15", "r8" |
); |
initialized = true; |
} |
static void ski_do_putchar(const wchar_t ch) |
{ |
asm volatile ( |
"mov r15 = %[cmd]\n" |
"mov r32 = %[ch]\n" /* r32 is in0 */ |
"break 0x80000\n" /* modifies r8 */ |
: |
: [cmd] "i" (SKI_PUTCHAR), [ch] "r" (ch) |
: "r15", "in0", "r8" |
); |
} |
/** Display character on debug console |
* |
* Use SSC (Simulator System Call) to |
* display character on debug console. |
* |
* @param dev Character device. |
* @param ch Character to be printed. |
* @param silent Whether the output should be silenced. |
* |
*/ |
static void ski_putchar(outdev_t *dev, const wchar_t ch, bool silent) |
{ |
if (!silent) { |
if (ascii_check(ch)) { |
if (ch == '\n') |
ski_do_putchar('\r'); |
ski_do_putchar(ch); |
} else |
ski_do_putchar(U_SPECIAL); |
} |
} |
void skiout_init(void) |
{ |
ski_init(); |
outdev_initialize("skiout", &skiout, &skiout_ops); |
stdout = &skiout; |
sysinfo_set_item_val("fb", NULL, false); |
} |
/** Ask debug console if a key was pressed. |
* |
* Use SSC (Simulator System Call) to |
* get character from debug console. |
* |
* This call is non-blocking. |
* |
* @return ASCII code of pressed key or 0 if no key pressed. |
* |
*/ |
static wchar_t ski_getchar(void) |
{ |
uint64_t ch; |
asm volatile ( |
"mov r15 = %1\n" |
"break 0x80000;;\n" /* modifies r8 */ |
"mov %0 = r8;;\n" |
: "=r" (ch) |
: "i" (SKI_GETCHAR) |
: "r15", "r8" |
); |
return (wchar_t) ch; |
} |
/** Ask keyboard if a key was pressed. |
* |
* If so, it will repeat and pull up to POLL_LIMIT characters. |
*/ |
static void poll_keyboard(ski_instance_t *instance) |
{ |
wchar_t ch; |
int count; |
if (kbd_disabled) |
return; |
count = POLL_LIMIT; |
while (count > 0) { |
ch = ski_getchar(); |
if (ch == '\0') |
break; |
indev_push_character(instance->srlnin, ch); |
--count; |
} |
} |
/** Kernel thread for polling keyboard. */ |
static void kskipoll(void *arg) |
{ |
ski_instance_t *instance = (ski_instance_t *) arg; |
while (true) { |
if (!silent) |
poll_keyboard(instance); |
thread_usleep(POLL_INTERVAL); |
} |
} |
ski_instance_t *skiin_init(void) |
{ |
ski_init(); |
ski_instance_t *instance = |
malloc(sizeof(ski_instance_t), FRAME_ATOMIC); |
if (instance) { |
instance->thread = thread_create(kskipoll, instance, TASK, 0, |
"kskipoll", true); |
if (!instance->thread) { |
free(instance); |
return NULL; |
} |
instance->srlnin = NULL; |
} |
return instance; |
} |
void skiin_wire(ski_instance_t *instance, indev_t *srlnin) |
{ |
ASSERT(instance); |
ASSERT(srlnin); |
instance->srlnin = srlnin; |
thread_ready(instance->thread); |
sysinfo_set_item_val("kbd", NULL, true); |
sysinfo_set_item_val("kbd.type", NULL, KBD_SKI); |
} |
void ski_kbd_grab(void) |
{ |
kbd_disabled = false; |
} |
void ski_kbd_release(void) |
{ |
kbd_disabled = true; |
} |
/** @} |
*/ |
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/arch/ia64/src/drivers/it.c |
---|
0,0 → 1,146 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
/** Interval Timer driver. */ |
#include <arch/drivers/it.h> |
#include <arch/interrupt.h> |
#include <arch/register.h> |
#include <arch/asm.h> |
#include <arch/barrier.h> |
#include <time/clock.h> |
#include <ddi/irq.h> |
#include <ddi/device.h> |
#include <arch.h> |
#define IT_SERVICE_CLOCKS 64 |
#define FREQ_NUMERATOR_SHIFT 32 |
#define FREQ_NUMERATOR_MASK 0xffffffff00000000ULL |
#define FREQ_DENOMINATOR_SHIFT 0 |
#define FREQ_DENOMINATOR_MASK 0xffffffffULL |
uint64_t it_delta; |
static irq_t it_irq; |
static irq_ownership_t it_claim(irq_t *); |
static void it_interrupt(irq_t *); |
/** Initialize Interval Timer. */ |
void it_init(void) |
{ |
cr_itv_t itv; |
if (config.cpu_active == 1) { |
irq_initialize(&it_irq); |
it_irq.inr = INTERRUPT_TIMER; |
it_irq.devno = device_assign_devno(); |
it_irq.claim = it_claim; |
it_irq.handler = it_interrupt; |
irq_register(&it_irq); |
uint64_t base_freq; |
base_freq = ((bootinfo->freq_scale) & FREQ_NUMERATOR_MASK) >> |
FREQ_NUMERATOR_SHIFT; |
base_freq *= bootinfo->sys_freq; |
base_freq /= ((bootinfo->freq_scale) & FREQ_DENOMINATOR_MASK) >> |
FREQ_DENOMINATOR_SHIFT; |
it_delta = base_freq / HZ; |
} |
/* initialize Interval Timer external interrupt vector */ |
itv.value = itv_read(); |
itv.vector = INTERRUPT_TIMER; |
itv.m = 0; |
itv_write(itv.value); |
/* set Interval Timer Counter to zero */ |
itc_write(0); |
/* generate first Interval Timer interrupt in IT_DELTA ticks */ |
itm_write(IT_DELTA); |
/* propagate changes */ |
srlz_d(); |
} |
/** Always claim ownership for this IRQ. |
* |
* Other devices are responsible to avoid using INR 0. |
* |
* @return Always IRQ_ACCEPT. |
*/ |
irq_ownership_t it_claim(irq_t *irq) |
{ |
return IRQ_ACCEPT; |
} |
/** Process Interval Timer interrupt. */ |
void it_interrupt(irq_t *irq) |
{ |
int64_t c; |
int64_t m; |
eoi_write(EOI); |
m = itm_read(); |
while (1) { |
c = itc_read(); |
c += IT_SERVICE_CLOCKS; |
m += IT_DELTA; |
if (m - c < 0) |
CPU->missed_clock_ticks++; |
else |
break; |
} |
itm_write(m); |
srlz_d(); /* propagate changes */ |
/* |
* We are holding a lock which prevents preemption. |
* Release the lock, call clock() and reacquire the lock again. |
*/ |
spinlock_unlock(&irq->lock); |
clock(); |
spinlock_lock(&irq->lock); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/src/smp/smp.c |
---|
0,0 → 1,167 |
/* |
* Copyright (c) 2005 Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch.h> |
#include <arch/drivers/ski.h> |
#include <arch/drivers/it.h> |
#include <arch/interrupt.h> |
#include <arch/barrier.h> |
#include <arch/asm.h> |
#include <arch/register.h> |
#include <arch/types.h> |
#include <arch/context.h> |
#include <arch/stack.h> |
#include <arch/mm/page.h> |
#include <mm/as.h> |
#include <config.h> |
#include <userspace.h> |
#include <console/console.h> |
#include <proc/uarg.h> |
#include <syscall/syscall.h> |
#include <ddi/irq.h> |
#include <ddi/device.h> |
#include <arch/bootinfo.h> |
#include <smp/smp.h> |
#include <smp/ipi.h> |
#include <arch/atomic.h> |
#include <panic.h> |
#include <print.h> |
#ifdef CONFIG_SMP |
extern char cpu_by_id_eid_list[256][256]; |
static void sapic_init(void) |
{ |
bootinfo->sapic = (unative_t *)(PA2KA((unative_t)(bootinfo->sapic)) | |
FW_OFFSET); |
} |
static void ipi_broadcast_arch_all(int ipi) |
{ |
int id, eid; |
int myid, myeid; |
myid = ia64_get_cpu_id(); |
myeid = ia64_get_cpu_eid(); |
for (id = 0; id < 256; id++) |
for (eid = 0; eid < 256; eid++) |
if ((id != myid) || (eid != myeid)) |
ipi_send_ipi(id, eid, ipi); |
} |
void ipi_broadcast_arch(int ipi ) |
{ |
int id, eid; |
int myid, myeid; |
myid = ia64_get_cpu_id(); |
myeid = ia64_get_cpu_eid(); |
for (id = 0; id < 256; id++) |
for (eid = 0; eid < 256; eid++) |
if ((id != myid) || (eid != myeid)) |
if (cpu_by_id_eid_list[id][eid]) |
ipi_send_ipi(id, eid, ipi); |
} |
void smp_init(void) |
{ |
if (!bootinfo->hello_configured) |
return; |
/* |
* If we have not got system prepared by hello, we are not able to start |
* AP's. This means we are running on a simulator. |
*/ |
sapic_init(); |
ipi_broadcast_arch_all(bootinfo->wakeup_intno); |
volatile long long brk; |
for (brk = 0; brk < 100LL * 1024LL * 1024LL; brk++) |
; /* wait a while before CPUs starts */ |
config.cpu_count = 0; |
int id, eid; |
for (id = 0; id < 256; id++) |
for (eid = 0; eid < 256; eid++) |
if (cpu_by_id_eid_list[id][eid] == 1) { |
config.cpu_count++; |
cpu_by_id_eid_list[id][eid] = 2; |
} |
} |
void kmp(void *arg __attribute__((unused))) |
{ |
int id, eid; |
int myid, myeid; |
myid = ia64_get_cpu_id(); |
myeid = ia64_get_cpu_eid(); |
for (id = 0; id < 256; id++) |
for (eid = 0; eid < 256; eid++) |
if ((id != myid) || (eid != myeid)) |
if (cpu_by_id_eid_list[id][eid] != 0) { |
if (cpu_by_id_eid_list[id][eid] == 1) { |
printf("Found Late CPU ID:%d " |
"EDI:%d Not added to " |
"system!!!\n", id, eid); |
continue; |
} |
cpu_by_id_eid_list[id][eid] = 3; |
/* |
* There may be just one AP being |
* initialized at the time. After |
* it comes completely up, it is |
* supposed to wake us up. |
*/ |
if (waitq_sleep_timeout( |
&ap_completion_wq, 1000000, |
SYNCH_FLAGS_NONE) == |
ESYNCH_TIMEOUT) { |
printf("%s: waiting for cpu " |
"ID:%d EID:%d timed out\n", |
__FUNCTION__, id, eid); |
} |
} |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/src/ia64.c |
---|
0,0 → 1,299 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch.h> |
#include <arch/drivers/ski.h> |
#include <arch/drivers/it.h> |
#include <arch/interrupt.h> |
#include <arch/barrier.h> |
#include <arch/asm.h> |
#include <arch/register.h> |
#include <arch/types.h> |
#include <arch/context.h> |
#include <arch/stack.h> |
#include <arch/mm/page.h> |
#include <mm/as.h> |
#include <config.h> |
#include <userspace.h> |
#include <console/console.h> |
#include <proc/uarg.h> |
#include <syscall/syscall.h> |
#include <ddi/irq.h> |
#include <arch/bootinfo.h> |
#include <genarch/drivers/legacy/ia32/io.h> |
#include <genarch/drivers/ega/ega.h> |
#include <genarch/kbrd/kbrd.h> |
#include <genarch/srln/srln.h> |
#include <genarch/drivers/i8042/i8042.h> |
#include <genarch/drivers/ns16550/ns16550.h> |
#include <arch/drivers/kbd.h> |
#include <smp/smp.h> |
#include <smp/ipi.h> |
#include <arch/atomic.h> |
#include <panic.h> |
#include <print.h> |
#include <sysinfo/sysinfo.h> |
#include <string.h> |
/* NS16550 as a COM 1 */ |
#define NS16550_IRQ (4 + LEGACY_INTERRUPT_BASE) |
bootinfo_t *bootinfo; |
static uint64_t iosapic_base = 0xfec00000; |
/** Performs ia64-specific initialization before main_bsp() is called. */ |
void arch_pre_main(void) |
{ |
/* Setup usermode init tasks. */ |
unsigned int i; |
init.cnt = bootinfo->taskmap.count; |
for (i = 0; i < init.cnt; i++) { |
init.tasks[i].addr = |
((unsigned long) bootinfo->taskmap.tasks[i].addr) | |
VRN_MASK; |
init.tasks[i].size = bootinfo->taskmap.tasks[i].size; |
str_cpy(init.tasks[i].name, CONFIG_TASK_NAME_BUFLEN, |
bootinfo->taskmap.tasks[i].name); |
} |
} |
void arch_pre_mm_init(void) |
{ |
/* |
* Set Interruption Vector Address (i.e. location of interruption vector |
* table). |
*/ |
iva_write((uintptr_t) &ivt); |
srlz_d(); |
} |
static void iosapic_init(void) |
{ |
uint64_t IOSAPIC = PA2KA((unative_t)(iosapic_base)) | FW_OFFSET; |
int i; |
int myid, myeid; |
myid = ia64_get_cpu_id(); |
myeid = ia64_get_cpu_eid(); |
for (i = 0; i < 16; i++) { |
if (i == 2) |
continue; /* Disable Cascade interrupt */ |
((uint32_t *)(IOSAPIC + 0x00))[0] = 0x10 + 2 * i; |
srlz_d(); |
((uint32_t *)(IOSAPIC + 0x10))[0] = LEGACY_INTERRUPT_BASE + i; |
srlz_d(); |
((uint32_t *)(IOSAPIC + 0x00))[0] = 0x10 + 2 * i + 1; |
srlz_d(); |
((uint32_t *)(IOSAPIC + 0x10))[0] = myid << (56 - 32) | |
myeid << (48 - 32); |
srlz_d(); |
} |
} |
void arch_post_mm_init(void) |
{ |
if (config.cpu_active == 1) { |
iosapic_init(); |
irq_init(INR_COUNT, INR_COUNT); |
} |
it_init(); |
} |
void arch_post_cpu_init(void) |
{ |
} |
void arch_pre_smp_init(void) |
{ |
} |
void arch_post_smp_init(void) |
{ |
#ifdef MACHINE_ski |
ski_instance_t *ski_instance = skiin_init(); |
if (ski_instance) { |
srln_instance_t *srln_instance = srln_init(); |
if (srln_instance) { |
indev_t *sink = stdin_wire(); |
indev_t *srln = srln_wire(srln_instance, sink); |
skiin_wire(ski_instance, srln); |
} |
} |
skiout_init(); |
#endif |
#ifdef CONFIG_EGA |
ega_init(EGA_BASE, EGA_VIDEORAM); |
#endif |
#ifdef CONFIG_NS16550 |
ns16550_instance_t *ns16550_instance |
= ns16550_init((ns16550_t *) NS16550_BASE, NS16550_IRQ, NULL, NULL); |
if (ns16550_instance) { |
srln_instance_t *srln_instance = srln_init(); |
if (srln_instance) { |
indev_t *sink = stdin_wire(); |
indev_t *srln = srln_wire(srln_instance, sink); |
ns16550_wire(ns16550_instance, srln); |
} |
} |
sysinfo_set_item_val("kbd", NULL, true); |
sysinfo_set_item_val("kbd.inr", NULL, NS16550_IRQ); |
sysinfo_set_item_val("kbd.type", NULL, KBD_NS16550); |
sysinfo_set_item_val("kbd.address.physical", NULL, |
(uintptr_t) NS16550_BASE); |
sysinfo_set_item_val("kbd.address.kernel", NULL, |
(uintptr_t) NS16550_BASE); |
#endif |
#ifdef CONFIG_I8042 |
i8042_instance_t *i8042_instance = i8042_init((i8042_t *) I8042_BASE, IRQ_KBD); |
if (i8042_instance) { |
kbrd_instance_t *kbrd_instance = kbrd_init(); |
if (kbrd_instance) { |
indev_t *sink = stdin_wire(); |
indev_t *kbrd = kbrd_wire(kbrd_instance, sink); |
i8042_wire(i8042_instance, kbrd); |
} |
} |
sysinfo_set_item_val("kbd", NULL, true); |
sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD); |
sysinfo_set_item_val("kbd.type", NULL, KBD_LEGACY); |
sysinfo_set_item_val("kbd.address.physical", NULL, |
(uintptr_t) I8042_BASE); |
sysinfo_set_item_val("kbd.address.kernel", NULL, |
(uintptr_t) I8042_BASE); |
#endif |
sysinfo_set_item_val("ia64_iospace", NULL, true); |
sysinfo_set_item_val("ia64_iospace.address", NULL, true); |
sysinfo_set_item_val("ia64_iospace.address.virtual", NULL, IO_OFFSET); |
} |
/** Enter userspace and never return. */ |
void userspace(uspace_arg_t *kernel_uarg) |
{ |
psr_t psr; |
rsc_t rsc; |
psr.value = psr_read(); |
psr.cpl = PL_USER; |
psr.i = true; /* start with interrupts enabled */ |
psr.ic = true; |
psr.ri = 0; /* start with instruction #0 */ |
psr.bn = 1; /* start in bank 0 */ |
asm volatile ("mov %0 = ar.rsc\n" : "=r" (rsc.value)); |
rsc.loadrs = 0; |
rsc.be = false; |
rsc.pl = PL_USER; |
rsc.mode = 3; /* eager mode */ |
switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry, |
((uintptr_t) kernel_uarg->uspace_stack) + PAGE_SIZE - |
ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT), |
((uintptr_t) kernel_uarg->uspace_stack) + PAGE_SIZE, |
(uintptr_t) kernel_uarg->uspace_uarg, psr.value, rsc.value); |
while (1) |
; |
} |
/** Set thread-local-storage pointer. |
* |
* We use r13 (a.k.a. tp) for this purpose. |
*/ |
unative_t sys_tls_set(unative_t addr) |
{ |
return 0; |
} |
/** Acquire console back for kernel |
* |
*/ |
void arch_grab_console(void) |
{ |
#ifdef MACHINE_ski |
ski_kbd_grab(); |
#endif |
} |
/** Return console to userspace |
* |
*/ |
void arch_release_console(void) |
{ |
#ifdef MACHINE_ski |
ski_kbd_release(); |
#endif |
} |
void arch_reboot(void) |
{ |
pio_write_8((ioport8_t *)0x64, 0xfe); |
while (1) |
; |
} |
/** Construct function pointer |
* |
* @param fptr function pointer structure |
* @param addr function address |
* @param caller calling function address |
* |
* @return address of the function pointer |
* |
*/ |
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
{ |
fptr->fnc = (unative_t) addr; |
fptr->gp = ((unative_t *) caller)[1]; |
return (void *) fptr; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/src/cpu/cpu.c |
---|
0,0 → 1,78 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
*/ |
#include <cpu.h> |
#include <arch.h> |
#include <arch/register.h> |
#include <print.h> |
void cpu_arch_init(void) |
{ |
} |
void cpu_identify(void) |
{ |
CPU->arch.cpuid0 = cpuid_read(0); |
CPU->arch.cpuid1 = cpuid_read(1); |
CPU->arch.cpuid3.value = cpuid_read(3); |
} |
void cpu_print_report(cpu_t *m) |
{ |
char *family_str; |
char vendor[2 * sizeof(uint64_t) + 1]; |
*((uint64_t *) &vendor[0 * sizeof(uint64_t)]) = CPU->arch.cpuid0; |
*((uint64_t *) &vendor[1 * sizeof(uint64_t)]) = CPU->arch.cpuid1; |
vendor[sizeof(vendor) - 1] = 0; |
switch(m->arch.cpuid3.family) { |
case FAMILY_ITANIUM: |
family_str = "Itanium"; |
break; |
case FAMILY_ITANIUM2: |
family_str = "Itanium 2"; |
break; |
default: |
family_str = "Unknown"; |
break; |
} |
printf("cpu%d: %s (%s), archrev=%d, model=%d, revision=%d\n", CPU->id, |
family_str, vendor, CPU->arch.cpuid3.archrev, |
CPU->arch.cpuid3.model, CPU->arch.cpuid3.revision); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/src/interrupt.c |
---|
0,0 → 1,310 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* Copyright (c) 2005 Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64interrupt |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/interrupt.h> |
#include <interrupt.h> |
#include <ddi/irq.h> |
#include <panic.h> |
#include <print.h> |
#include <debug.h> |
#include <console/console.h> |
#include <arch/types.h> |
#include <arch/asm.h> |
#include <arch/barrier.h> |
#include <arch/register.h> |
#include <arch.h> |
#include <syscall/syscall.h> |
#include <print.h> |
#include <proc/scheduler.h> |
#include <ipc/sysipc.h> |
#include <ipc/irq.h> |
#include <ipc/ipc.h> |
#include <synch/spinlock.h> |
#include <mm/tlb.h> |
#include <symtab.h> |
#include <putchar.h> |
#define VECTORS_64_BUNDLE 20 |
#define VECTORS_16_BUNDLE 48 |
#define VECTORS_16_BUNDLE_START 0x5000 |
#define VECTOR_MAX 0x7f00 |
#define BUNDLE_SIZE 16 |
char *vector_names_64_bundle[VECTORS_64_BUNDLE] = { |
"VHPT Translation vector", |
"Instruction TLB vector", |
"Data TLB vector", |
"Alternate Instruction TLB vector", |
"Alternate Data TLB vector", |
"Data Nested TLB vector", |
"Instruction Key Miss vector", |
"Data Key Miss vector", |
"Dirty-Bit vector", |
"Instruction Access-Bit vector", |
"Data Access-Bit vector" |
"Break Instruction vector", |
"External Interrupt vector" |
"Reserved", |
"Reserved", |
"Reserved", |
"Reserved", |
"Reserved", |
"Reserved", |
"Reserved" |
}; |
char *vector_names_16_bundle[VECTORS_16_BUNDLE] = { |
"Page Not Present vector", |
"Key Permission vector", |
"Instruction Access rights vector", |
"Data Access Rights vector", |
"General Exception vector", |
"Disabled FP-Register vector", |
"NaT Consumption vector", |
"Speculation vector", |
"Reserved", |
"Debug vector", |
"Unaligned Reference vector", |
"Unsupported Data Reference vector", |
"Floating-point Fault vector", |
"Floating-point Trap vector", |
"Lower-Privilege Transfer Trap vector", |
"Taken Branch Trap vector", |
"Single Step Trap vector", |
"Reserved", |
"Reserved", |
"Reserved", |
"Reserved", |
"Reserved", |
"Reserved", |
"Reserved", |
"Reserved", |
"IA-32 Exception vector", |
"IA-32 Intercept vector", |
"IA-32 Interrupt vector", |
"Reserved", |
"Reserved", |
"Reserved" |
}; |
static char *vector_to_string(uint16_t vector); |
static void dump_interrupted_context(istate_t *istate); |
char *vector_to_string(uint16_t vector) |
{ |
ASSERT(vector <= VECTOR_MAX); |
if (vector >= VECTORS_16_BUNDLE_START) |
return vector_names_16_bundle[(vector - |
VECTORS_16_BUNDLE_START) / (16 * BUNDLE_SIZE)]; |
else |
return vector_names_64_bundle[vector / (64 * BUNDLE_SIZE)]; |
} |
void dump_interrupted_context(istate_t *istate) |
{ |
char *ifa, *iipa, *iip; |
ifa = symtab_fmt_name_lookup(istate->cr_ifa); |
iipa = symtab_fmt_name_lookup(istate->cr_iipa); |
iip = symtab_fmt_name_lookup(istate->cr_iip); |
putchar('\n'); |
printf("Interrupted context dump:\n"); |
printf("ar.bsp=%p\tar.bspstore=%p\n", istate->ar_bsp, |
istate->ar_bspstore); |
printf("ar.rnat=%#018llx\tar.rsc=%#018llx\n", istate->ar_rnat, |
istate->ar_rsc); |
printf("ar.ifs=%#018llx\tar.pfs=%#018llx\n", istate->ar_ifs, |
istate->ar_pfs); |
printf("cr.isr=%#018llx\tcr.ipsr=%#018llx\t\n", istate->cr_isr.value, |
istate->cr_ipsr); |
printf("cr.iip=%#018llx, #%d\t(%s)\n", istate->cr_iip, |
istate->cr_isr.ei, iip); |
printf("cr.iipa=%#018llx\t(%s)\n", istate->cr_iipa, iipa); |
printf("cr.ifa=%#018llx\t(%s)\n", istate->cr_ifa, ifa); |
} |
void general_exception(uint64_t vector, istate_t *istate) |
{ |
char *desc = ""; |
switch (istate->cr_isr.ge_code) { |
case GE_ILLEGALOP: |
desc = "Illegal Operation fault"; |
break; |
case GE_PRIVOP: |
desc = "Privileged Operation fault"; |
break; |
case GE_PRIVREG: |
desc = "Privileged Register fault"; |
break; |
case GE_RESREGFLD: |
desc = "Reserved Register/Field fault"; |
break; |
case GE_DISBLDISTRAN: |
desc = "Disabled Instruction Set Transition fault"; |
break; |
case GE_ILLEGALDEP: |
desc = "Illegal Dependency fault"; |
break; |
default: |
desc = "unknown"; |
break; |
} |
fault_if_from_uspace(istate, "General Exception (%s).", desc); |
dump_interrupted_context(istate); |
panic("General Exception (%s).", desc); |
} |
void disabled_fp_register(uint64_t vector, istate_t *istate) |
{ |
#ifdef CONFIG_FPU_LAZY |
scheduler_fpu_lazy_request(); |
#else |
fault_if_from_uspace(istate, "Interruption: %#hx (%s).", |
(uint16_t) vector, vector_to_string(vector)); |
dump_interrupted_context(istate); |
panic("Interruption: %#hx (%s).", (uint16_t) vector, |
vector_to_string(vector)); |
#endif |
} |
void nop_handler(uint64_t vector, istate_t *istate) |
{ |
} |
/** Handle syscall. */ |
int break_instruction(uint64_t vector, istate_t *istate) |
{ |
/* |
* Move to next instruction after BREAK. |
*/ |
if (istate->cr_ipsr.ri == 2) { |
istate->cr_ipsr.ri = 0; |
istate->cr_iip += 16; |
} else { |
istate->cr_ipsr.ri++; |
} |
return syscall_handler(istate->in0, istate->in1, istate->in2, |
istate->in3, istate->in4, istate->in5, istate->in6); |
} |
void universal_handler(uint64_t vector, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "Interruption: %#hx (%s).", |
(uint16_t) vector, vector_to_string(vector)); |
dump_interrupted_context(istate); |
panic("Interruption: %#hx (%s).", (uint16_t) vector, |
vector_to_string(vector)); |
} |
static void end_of_local_irq(void) |
{ |
asm volatile ("mov cr.eoi=r0;;"); |
} |
void external_interrupt(uint64_t vector, istate_t *istate) |
{ |
cr_ivr_t ivr; |
irq_t *irq; |
ivr.value = ivr_read(); |
srlz_d(); |
switch (ivr.vector) { |
case INTERRUPT_SPURIOUS: |
#ifdef CONFIG_DEBUG |
printf("cpu%d: spurious interrupt\n", CPU->id); |
#endif |
break; |
#ifdef CONFIG_SMP |
case VECTOR_TLB_SHOOTDOWN_IPI: |
tlb_shootdown_ipi_recv(); |
end_of_local_irq(); |
break; |
#endif |
case INTERRUPT_TIMER: |
irq = irq_dispatch_and_lock(ivr.vector); |
if (irq) { |
irq->handler(irq); |
spinlock_unlock(&irq->lock); |
} else { |
panic("Unhandled Internal Timer Interrupt (%d).", |
ivr.vector); |
} |
break; |
default: |
irq = irq_dispatch_and_lock(ivr.vector); |
if (irq) { |
/* |
* The IRQ handler was found. |
*/ |
if (irq->preack) { |
/* Send EOI before processing the interrupt */ |
end_of_local_irq(); |
} |
irq->handler(irq); |
if (!irq->preack) |
end_of_local_irq(); |
spinlock_unlock(&irq->lock); |
} else { |
/* |
* Unhandled interrupt. |
*/ |
end_of_local_irq(); |
#ifdef CONFIG_DEBUG |
printf("\nUnhandled External Interrupt Vector %d\n", |
ivr.vector); |
#endif |
} |
break; |
} |
} |
void trap_virtual_enable_irqs(uint16_t irqmask) |
{ |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/src/asm.S |
---|
0,0 → 1,189 |
# |
# Copyright (c) 2005 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include <arch/register.h> |
.text |
/** Copy memory from/to userspace. |
* |
* This memcpy() has been taken from the assembler output of |
* the generic _memcpy() and modified to have the failover part. |
* |
* @param in0 Destination address. |
* @param in1 Source address. |
* @param in2 Number of byte to copy. |
*/ |
.global memcpy |
.global memcpy_from_uspace |
.global memcpy_to_uspace |
.global memcpy_from_uspace_failover_address |
.global memcpy_to_uspace_failover_address |
memcpy: |
memcpy_from_uspace: |
memcpy_to_uspace: |
alloc loc0 = ar.pfs, 3, 1, 0, 0 |
adds r14 = 7, in1 |
mov r2 = ar.lc |
mov r8 = in0 ;; |
and r14 = -8, r14 ;; |
cmp.ne p6, p7 = r14, in1 |
(p7) br.cond.dpnt 3f ;; |
0: |
cmp.ne p6, p7 = 0, in2 |
(p7) br.cond.dpnt 2f ;; |
(p6) adds r14 = -1, in2 |
(p6) mov r16 = r0 |
(p6) mov r17 = r0 ;; |
(p6) mov ar.lc = r14 |
1: |
add r14 = r16, in1 |
add r15 = r16, in0 |
adds r17 = 1, r17 ;; |
ld1 r14 = [r14] |
mov r16 = r17 ;; |
st1 [r15] = r14 |
br.cloop.sptk.few 1b ;; |
2: |
mov ar.lc = r2 |
mov ar.pfs = loc0 |
br.ret.sptk.many rp |
3: |
adds r14 = 7, in0 ;; |
and r14 = -8, r14 ;; |
cmp.eq p6, p7 = r14, in0 |
(p7) br.cond.dptk 0b |
shr.u r18 = in2, 3 ;; |
cmp.ne p6, p7 = 0, r18 |
(p7) br.cond.dpnt 5f ;; |
(p6) adds r14 = -1, r18 |
(p6) mov r16 = r0 |
(p6) mov r17 = r0 ;; |
(p6) mov ar.lc = r14 |
4: |
shladd r14 = r16, 3, r0 |
adds r16 = 1, r17 ;; |
add r15 = in1, r14 |
add r14 = in0, r14 |
mov r17 = r16 ;; |
ld8 r15 = [r15] ;; |
st8 [r14] = r15 |
br.cloop.sptk.few 4b |
5: |
and r15 = 7, in2 |
shladd r14 = r18, 3, r0 |
mov r16 = r0 |
mov r18 = r0 ;; |
cmp.eq p6, p7 = 0, r15 |
add in0 = r14, in0 |
adds r15 = -1, r15 |
add r17 = r14, in1 |
(p6) br.cond.dpnt 2b ;; |
mov ar.lc = r15 |
6: |
add r14 = r16, r17 |
add r15 = r16, in0 |
adds r16 = 1, r18 ;; |
ld1 r14 = [r14] |
mov r18 = r16 ;; |
st1 [r15] = r14 |
br.cloop.sptk.few 6b ;; |
mov ar.lc = r2 |
mov ar.pfs = loc0 |
br.ret.sptk.many rp |
memcpy_from_uspace_failover_address: |
memcpy_to_uspace_failover_address: |
mov r8 = r0 /* return 0 on failure */ |
mov ar.pfs = loc0 |
br.ret.sptk.many rp |
.global memsetb |
memsetb: |
br _memsetb |
.global memsetw |
memsetw: |
br _memsetw |
.global cpu_halt |
cpu_halt: |
br cpu_halt |
.global panic_printf |
panic_printf: |
{ |
br.call.sptk.many b0=printf |
} |
br halt |
/** Switch to userspace - low level code. |
* |
* @param in0 Userspace entry point address. |
* @param in1 Userspace stack pointer address. |
* @param in2 Userspace register stack pointer address. |
* @param in3 Userspace address of thread uspace_arg_t structure. |
* @param in4 Value to be stored in IPSR. |
* @param in5 Value to be stored in RSC. |
*/ |
.global switch_to_userspace |
switch_to_userspace: |
alloc loc0 = ar.pfs, 6, 3, 0, 0 |
rsm (PSR_IC_MASK | PSR_I_MASK) /* disable interruption collection and interrupts */ |
srlz.d ;; |
srlz.i ;; |
mov cr.ipsr = in4 |
mov cr.iip = in0 |
mov r12 = in1 |
xor r1 = r1, r1 |
/* r2 is defined to hold pcb_ptr - set it to 0 */ |
xor r2 = r2, r2 |
mov loc1 = cr.ifs |
movl loc2 = PFM_MASK ;; |
and loc1 = loc2, loc1 ;; |
mov cr.ifs = loc1 ;; /* prevent decrementing BSP by rfi */ |
invala |
mov loc1 = ar.rsc ;; |
and loc1 = ~3, loc1 ;; |
mov ar.rsc = loc1 ;; /* put RSE into enforced lazy mode */ |
flushrs ;; |
mov ar.bspstore = in2 ;; |
mov ar.rsc = in5 ;; |
mov r8 = in3 |
rfi ;; |
/branches/arm/kernel/arch/ia64/src/start.S |
---|
0,0 → 1,268 |
# |
# Copyright (c) 2005 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include <arch/register.h> |
#include <arch/mm/page.h> |
#include <arch/mm/asid.h> |
#include <mm/asid.h> |
#define RR_MASK (0xFFFFFFFF00000002) |
#define RID_SHIFT 8 |
#define PS_SHIFT 2 |
#define KERNEL_TRANSLATION_I 0x0010000000000661 |
#define KERNEL_TRANSLATION_D 0x0010000000000661 |
#define KERNEL_TRANSLATION_VIO 0x0010000000000671 |
#define KERNEL_TRANSLATION_IO 0x00100FFFFC000671 |
#define KERNEL_TRANSLATION_FW 0x00100000F0000671 |
.section K_TEXT_START, "ax" |
.global kernel_image_start |
stack0: |
kernel_image_start: |
.auto |
#ifdef CONFIG_SMP |
# Identify self(CPU) in OS structures by ID / EID |
mov r9 = cr64 |
mov r10 = 1 |
movl r12 = 0xffffffff |
movl r8 = cpu_by_id_eid_list |
and r8 = r8, r12 |
shr r9 = r9, 16 |
add r8 = r8, r9 |
st1 [r8] = r10 |
#endif |
mov psr.l = r0 |
srlz.i |
srlz.d |
# Fill TR.i and TR.d using Region Register #VRN_KERNEL |
movl r8 = (VRN_KERNEL << VRN_SHIFT) |
mov r9 = rr[r8] |
movl r10 = (RR_MASK) |
and r9 = r10, r9 |
movl r10 = ((RID_KERNEL << RID_SHIFT) | (KERNEL_PAGE_WIDTH << PS_SHIFT)) |
or r9 = r10, r9 |
mov rr[r8] = r9 |
movl r8 = (VRN_KERNEL << VRN_SHIFT) |
mov cr.ifa = r8 |
mov r11 = cr.itir |
movl r10 = (KERNEL_PAGE_WIDTH << PS_SHIFT) |
or r10 = r10, r11 |
mov cr.itir = r10 |
movl r10 = (KERNEL_TRANSLATION_I) |
itr.i itr[r0] = r10 |
movl r10 = (KERNEL_TRANSLATION_D) |
itr.d dtr[r0] = r10 |
movl r7 = 1 |
movl r8 = (VRN_KERNEL << VRN_SHIFT) | VIO_OFFSET |
mov cr.ifa = r8 |
movl r10 = (KERNEL_TRANSLATION_VIO) |
itr.d dtr[r7] = r10 |
mov r11 = cr.itir |
movl r10 = ~0xfc |
and r10 = r10, r11 |
movl r11 = (IO_PAGE_WIDTH << PS_SHIFT) |
or r10 = r10, r11 |
mov cr.itir = r10 |
movl r7 = 2 |
movl r8 = (VRN_KERNEL << VRN_SHIFT) | IO_OFFSET |
mov cr.ifa = r8 |
movl r10 = (KERNEL_TRANSLATION_IO) |
itr.d dtr[r7] = r10 |
# Setup mapping for fimware arrea (also SAPIC) |
mov r11 = cr.itir |
movl r10 = ~0xfc |
and r10 = r10, r11 |
movl r11 = (FW_PAGE_WIDTH << PS_SHIFT) |
or r10 = r10, r11 |
mov cr.itir = r10 |
movl r7 = 3 |
movl r8 = (VRN_KERNEL << VRN_SHIFT) | FW_OFFSET |
mov cr.ifa = r8 |
movl r10 = (KERNEL_TRANSLATION_FW) |
itr.d dtr[r7] = r10 |
# Initialize PSR |
movl r10 = (PSR_DT_MASK | PSR_RT_MASK | PSR_IT_MASK | PSR_IC_MASK) /* Enable paging */ |
mov r9 = psr |
or r10 = r10, r9 |
mov cr.ipsr = r10 |
mov cr.ifs = r0 |
movl r8 = paging_start |
mov cr.iip = r8 |
srlz.d |
srlz.i |
.explicit |
/* |
* Return From Interrupt is the only way to |
* fill the upper half word of PSR. |
*/ |
rfi ;; |
.global paging_start |
paging_start: |
/* |
* Now we are paging. |
*/ |
# Switch to register bank 1 |
bsw.1 |
#ifdef CONFIG_SMP |
# Am I BSP or AP? |
movl r20 = bsp_started ;; |
ld8 r20 = [r20] ;; |
cmp.eq p3, p2 = r20, r0 ;; |
#else |
cmp.eq p3, p2 = r0, r0 ;; /* you are BSP */ |
#endif /* CONFIG_SMP */ |
# Initialize register stack |
mov ar.rsc = r0 |
movl r8 = (VRN_KERNEL << VRN_SHIFT) ;; |
mov ar.bspstore = r8 |
loadrs |
# Initialize memory stack to some sane value |
movl r12 = stack0 ;; |
add r12 = -16, r12 /* allocate a scratch area on the stack */ |
# Initialize gp (Global Pointer) register |
movl r20 = (VRN_KERNEL << VRN_SHIFT);; |
or r20 = r20,r1;; |
movl r1 = _hardcoded_load_address |
/* |
* Initialize hardcoded_* variables. Do only BSP |
*/ |
(p3) movl r14 = _hardcoded_ktext_size |
(p3) movl r15 = _hardcoded_kdata_size |
(p3) movl r16 = _hardcoded_load_address ;; |
(p3) addl r17 = @gprel(hardcoded_ktext_size), gp |
(p3) addl r18 = @gprel(hardcoded_kdata_size), gp |
(p3) addl r19 = @gprel(hardcoded_load_address), gp |
(p3) addl r21 = @gprel(bootinfo), gp |
;; |
(p3) st8 [r17] = r14 |
(p3) st8 [r18] = r15 |
(p3) st8 [r19] = r16 |
(p3) st8 [r21] = r20 |
ssm (1 << 19) ;; /* Disable f32 - f127 */ |
srlz.i |
srlz.d ;; |
#ifdef CONFIG_SMP |
(p2) movl r18 = main_ap ;; |
(p2) mov b1 = r18 ;; |
(p2) br.call.sptk.many b0 = b1 |
# Mark that BSP is on |
mov r20 = 1 ;; |
movl r21 = bsp_started ;; |
st8 [r21] = r20 ;; |
#endif |
br.call.sptk.many b0 = arch_pre_main |
movl r18 = main_bsp ;; |
mov b1 = r18 ;; |
br.call.sptk.many b0 = b1 |
0: |
br 0b |
#ifdef CONFIG_SMP |
.align 4096 |
kernel_image_ap_start: |
.auto |
# Identify self(CPU) in OS structures by ID / EID |
mov r9 = cr64 |
mov r10 = 1 |
movl r12 = 0xffffffff |
movl r8 = cpu_by_id_eid_list |
and r8 = r8, r12 |
shr r9 = r9, 16 |
add r8 = r8, r9 |
st1 [r8] = r10 |
# Wait for wakeup synchro signal (#3 in cpu_by_id_eid_list) |
kernel_image_ap_start_loop: |
movl r11 = kernel_image_ap_start_loop |
and r11 = r11, r12 |
mov b1 = r11 |
ld1 r20 = [r8] ;; |
movl r21 = 3 ;; |
cmp.eq p2, p3 = r20, r21 ;; |
(p3) br.call.sptk.many b0 = b1 |
movl r11 = kernel_image_start |
and r11 = r11, r12 |
mov b1 = r11 |
br.call.sptk.many b0 = b1 |
.align 16 |
.global bsp_started |
bsp_started: |
.space 8 |
.align 4096 |
.global cpu_by_id_eid_list |
cpu_by_id_eid_list: |
.space 65536 |
#endif /* CONFIG_SMP */ |
/branches/arm/kernel/arch/ia64/src/fpu_context.c |
---|
0,0 → 1,477 |
/* |
* Copyright (c) 2005 Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64 |
* @{ |
*/ |
/** @file |
* |
*/ |
#include <fpu_context.h> |
#include <arch/register.h> |
#include <print.h> |
void fpu_context_save(fpu_context_t *fctx) |
{ |
asm volatile ( |
"stf.spill [%0] = f32, 0x80\n" |
"stf.spill [%1] = f33, 0x80\n" |
"stf.spill [%2] = f34, 0x80\n" |
"stf.spill [%3] = f35, 0x80\n" |
"stf.spill [%4] = f36, 0x80\n" |
"stf.spill [%5] = f37, 0x80\n" |
"stf.spill [%6] = f38, 0x80\n" |
"stf.spill [%7] = f39, 0x80\n;;" |
"stf.spill [%0] = f40, 0x80\n" |
"stf.spill [%1] = f41, 0x80\n" |
"stf.spill [%2] = f42, 0x80\n" |
"stf.spill [%3] = f43, 0x80\n" |
"stf.spill [%4] = f44, 0x80\n" |
"stf.spill [%5] = f45, 0x80\n" |
"stf.spill [%6] = f46, 0x80\n" |
"stf.spill [%7] = f47, 0x80\n;;" |
"stf.spill [%0] = f48, 0x80\n" |
"stf.spill [%1] = f49, 0x80\n" |
"stf.spill [%2] = f50, 0x80\n" |
"stf.spill [%3] = f51, 0x80\n" |
"stf.spill [%4] = f52, 0x80\n" |
"stf.spill [%5] = f53, 0x80\n" |
"stf.spill [%6] = f54, 0x80\n" |
"stf.spill [%7] = f55, 0x80\n;;" |
"stf.spill [%0] = f56, 0x80\n" |
"stf.spill [%1] = f57, 0x80\n" |
"stf.spill [%2] = f58, 0x80\n" |
"stf.spill [%3] = f59, 0x80\n" |
"stf.spill [%4] = f60, 0x80\n" |
"stf.spill [%5] = f61, 0x80\n" |
"stf.spill [%6] = f62, 0x80\n" |
"stf.spill [%7] = f63, 0x80\n;;" |
"stf.spill [%0] = f64, 0x80\n" |
"stf.spill [%1] = f65, 0x80\n" |
"stf.spill [%2] = f66, 0x80\n" |
"stf.spill [%3] = f67, 0x80\n" |
"stf.spill [%4] = f68, 0x80\n" |
"stf.spill [%5] = f69, 0x80\n" |
"stf.spill [%6] = f70, 0x80\n" |
"stf.spill [%7] = f71, 0x80\n;;" |
"stf.spill [%0] = f72, 0x80\n" |
"stf.spill [%1] = f73, 0x80\n" |
"stf.spill [%2] = f74, 0x80\n" |
"stf.spill [%3] = f75, 0x80\n" |
"stf.spill [%4] = f76, 0x80\n" |
"stf.spill [%5] = f77, 0x80\n" |
"stf.spill [%6] = f78, 0x80\n" |
"stf.spill [%7] = f79, 0x80\n;;" |
"stf.spill [%0] = f80, 0x80\n" |
"stf.spill [%1] = f81, 0x80\n" |
"stf.spill [%2] = f82, 0x80\n" |
"stf.spill [%3] = f83, 0x80\n" |
"stf.spill [%4] = f84, 0x80\n" |
"stf.spill [%5] = f85, 0x80\n" |
"stf.spill [%6] = f86, 0x80\n" |
"stf.spill [%7] = f87, 0x80\n;;" |
"stf.spill [%0] = f88, 0x80\n" |
"stf.spill [%1] = f89, 0x80\n" |
"stf.spill [%2] = f90, 0x80\n" |
"stf.spill [%3] = f91, 0x80\n" |
"stf.spill [%4] = f92, 0x80\n" |
"stf.spill [%5] = f93, 0x80\n" |
"stf.spill [%6] = f94, 0x80\n" |
"stf.spill [%7] = f95, 0x80\n;;" |
"stf.spill [%0] = f96, 0x80\n" |
"stf.spill [%1] = f97, 0x80\n" |
"stf.spill [%2] = f98, 0x80\n" |
"stf.spill [%3] = f99, 0x80\n" |
"stf.spill [%4] = f100, 0x80\n" |
"stf.spill [%5] = f101, 0x80\n" |
"stf.spill [%6] = f102, 0x80\n" |
"stf.spill [%7] = f103, 0x80\n;;" |
"stf.spill [%0] = f104, 0x80\n" |
"stf.spill [%1] = f105, 0x80\n" |
"stf.spill [%2] = f106, 0x80\n" |
"stf.spill [%3] = f107, 0x80\n" |
"stf.spill [%4] = f108, 0x80\n" |
"stf.spill [%5] = f109, 0x80\n" |
"stf.spill [%6] = f110, 0x80\n" |
"stf.spill [%7] = f111, 0x80\n;;" |
"stf.spill [%0] = f112, 0x80\n" |
"stf.spill [%1] = f113, 0x80\n" |
"stf.spill [%2] = f114, 0x80\n" |
"stf.spill [%3] = f115, 0x80\n" |
"stf.spill [%4] = f116, 0x80\n" |
"stf.spill [%5] = f117, 0x80\n" |
"stf.spill [%6] = f118, 0x80\n" |
"stf.spill [%7] = f119, 0x80\n;;" |
"stf.spill [%0] = f120, 0x80\n" |
"stf.spill [%1] = f121, 0x80\n" |
"stf.spill [%2] = f122, 0x80\n" |
"stf.spill [%3] = f123, 0x80\n" |
"stf.spill [%4] = f124, 0x80\n" |
"stf.spill [%5] = f125, 0x80\n" |
"stf.spill [%6] = f126, 0x80\n" |
"stf.spill [%7] = f127, 0x80\n;;" |
: |
: "r" (&((fctx->fr)[0])), "r" (&((fctx->fr)[1])), |
"r" (&((fctx->fr)[2])), "r" (&((fctx->fr)[3])), |
"r" (&((fctx->fr)[4])), "r" (&((fctx->fr)[5])), |
"r" (&((fctx->fr)[6])), "r" (&((fctx->fr)[7])) |
); |
} |
void fpu_context_restore(fpu_context_t *fctx) |
{ |
asm volatile ( |
"ldf.fill f32 = [%0], 0x80\n" |
"ldf.fill f33 = [%1], 0x80\n" |
"ldf.fill f34 = [%2], 0x80\n" |
"ldf.fill f35 = [%3], 0x80\n" |
"ldf.fill f36 = [%4], 0x80\n" |
"ldf.fill f37 = [%5], 0x80\n" |
"ldf.fill f38 = [%6], 0x80\n" |
"ldf.fill f39 = [%7], 0x80\n;;" |
"ldf.fill f40 = [%0], 0x80\n" |
"ldf.fill f41 = [%1], 0x80\n" |
"ldf.fill f42 = [%2], 0x80\n" |
"ldf.fill f43 = [%3], 0x80\n" |
"ldf.fill f44 = [%4], 0x80\n" |
"ldf.fill f45 = [%5], 0x80\n" |
"ldf.fill f46 = [%6], 0x80\n" |
"ldf.fill f47 = [%7], 0x80\n;;" |
"ldf.fill f48 = [%0], 0x80\n" |
"ldf.fill f49 = [%1], 0x80\n" |
"ldf.fill f50 = [%2], 0x80\n" |
"ldf.fill f51 = [%3], 0x80\n" |
"ldf.fill f52 = [%4], 0x80\n" |
"ldf.fill f53 = [%5], 0x80\n" |
"ldf.fill f54 = [%6], 0x80\n" |
"ldf.fill f55 = [%7], 0x80\n;;" |
"ldf.fill f56 = [%0], 0x80\n" |
"ldf.fill f57 = [%1], 0x80\n" |
"ldf.fill f58 = [%2], 0x80\n" |
"ldf.fill f59 = [%3], 0x80\n" |
"ldf.fill f60 = [%4], 0x80\n" |
"ldf.fill f61 = [%5], 0x80\n" |
"ldf.fill f62 = [%6], 0x80\n" |
"ldf.fill f63 = [%7], 0x80\n;;" |
"ldf.fill f64 = [%0], 0x80\n" |
"ldf.fill f65 = [%1], 0x80\n" |
"ldf.fill f66 = [%2], 0x80\n" |
"ldf.fill f67 = [%3], 0x80\n" |
"ldf.fill f68 = [%4], 0x80\n" |
"ldf.fill f69 = [%5], 0x80\n" |
"ldf.fill f70 = [%6], 0x80\n" |
"ldf.fill f71 = [%7], 0x80\n;;" |
"ldf.fill f72 = [%0], 0x80\n" |
"ldf.fill f73 = [%1], 0x80\n" |
"ldf.fill f74 = [%2], 0x80\n" |
"ldf.fill f75 = [%3], 0x80\n" |
"ldf.fill f76 = [%4], 0x80\n" |
"ldf.fill f77 = [%5], 0x80\n" |
"ldf.fill f78 = [%6], 0x80\n" |
"ldf.fill f79 = [%7], 0x80\n;;" |
"ldf.fill f80 = [%0], 0x80\n" |
"ldf.fill f81 = [%1], 0x80\n" |
"ldf.fill f82 = [%2], 0x80\n" |
"ldf.fill f83 = [%3], 0x80\n" |
"ldf.fill f84 = [%4], 0x80\n" |
"ldf.fill f85 = [%5], 0x80\n" |
"ldf.fill f86 = [%6], 0x80\n" |
"ldf.fill f87 = [%7], 0x80\n;;" |
"ldf.fill f88 = [%0], 0x80\n" |
"ldf.fill f89 = [%1], 0x80\n" |
"ldf.fill f90 = [%2], 0x80\n" |
"ldf.fill f91 = [%3], 0x80\n" |
"ldf.fill f92 = [%4], 0x80\n" |
"ldf.fill f93 = [%5], 0x80\n" |
"ldf.fill f94 = [%6], 0x80\n" |
"ldf.fill f95 = [%7], 0x80\n;;" |
"ldf.fill f96 = [%0], 0x80\n" |
"ldf.fill f97 = [%1], 0x80\n" |
"ldf.fill f98 = [%2], 0x80\n" |
"ldf.fill f99 = [%3], 0x80\n" |
"ldf.fill f100 = [%4], 0x80\n" |
"ldf.fill f101 = [%5], 0x80\n" |
"ldf.fill f102 = [%6], 0x80\n" |
"ldf.fill f103 = [%7], 0x80\n;;" |
"ldf.fill f104 = [%0], 0x80\n" |
"ldf.fill f105 = [%1], 0x80\n" |
"ldf.fill f106 = [%2], 0x80\n" |
"ldf.fill f107 = [%3], 0x80\n" |
"ldf.fill f108 = [%4], 0x80\n" |
"ldf.fill f109 = [%5], 0x80\n" |
"ldf.fill f110 = [%6], 0x80\n" |
"ldf.fill f111 = [%7], 0x80\n;;" |
"ldf.fill f112 = [%0], 0x80\n" |
"ldf.fill f113 = [%1], 0x80\n" |
"ldf.fill f114 = [%2], 0x80\n" |
"ldf.fill f115 = [%3], 0x80\n" |
"ldf.fill f116 = [%4], 0x80\n" |
"ldf.fill f117 = [%5], 0x80\n" |
"ldf.fill f118 = [%6], 0x80\n" |
"ldf.fill f119 = [%7], 0x80\n;;" |
"ldf.fill f120 = [%0], 0x80\n" |
"ldf.fill f121 = [%1], 0x80\n" |
"ldf.fill f122 = [%2], 0x80\n" |
"ldf.fill f123 = [%3], 0x80\n" |
"ldf.fill f124 = [%4], 0x80\n" |
"ldf.fill f125 = [%5], 0x80\n" |
"ldf.fill f126 = [%6], 0x80\n" |
"ldf.fill f127 = [%7], 0x80\n;;" |
: |
: "r" (&((fctx->fr)[0])), "r" (&((fctx->fr)[1])), |
"r" (&((fctx->fr)[2])), "r" (&((fctx->fr)[3])), |
"r" (&((fctx->fr)[4])), "r" (&((fctx->fr)[5])), |
"r" (&((fctx->fr)[6])), "r" (&((fctx->fr)[7])) |
); |
} |
void fpu_enable(void) |
{ |
uint64_t a = 0; |
asm volatile ( |
"rsm %0 ;;" |
"srlz.i\n" |
"srlz.d ;;\n" |
: |
: "i" (PSR_DFH_MASK) |
); |
asm volatile ( |
"mov %0 = ar.fpsr ;;\n" |
"or %0 = %0,%1 ;;\n" |
"mov ar.fpsr = %0 ;;\n" |
: "+r" (a) |
: "r" (0x38) |
); |
} |
void fpu_disable(void) |
{ |
uint64_t a = 0 ; |
asm volatile ( |
"ssm %0 ;;\n" |
"srlz.i\n" |
"srlz.d ;;\n" |
: |
: "i" (PSR_DFH_MASK) |
); |
asm volatile ( |
"mov %0 = ar.fpsr ;;\n" |
"or %0 = %0,%1 ;;\n" |
"mov ar.fpsr = %0 ;;\n" |
: "+r" (a) |
: "r" (0x38) |
); |
} |
void fpu_init(void) |
{ |
uint64_t a = 0 ; |
asm volatile ( |
"mov %0 = ar.fpsr ;;\n" |
"or %0 = %0,%1 ;;\n" |
"mov ar.fpsr = %0 ;;\n" |
: "+r" (a) |
: "r" (0x38) |
); |
asm volatile ( |
"mov f2 = f0\n" |
"mov f3 = f0\n" |
"mov f4 = f0\n" |
"mov f5 = f0\n" |
"mov f6 = f0\n" |
"mov f7 = f0\n" |
"mov f8 = f0\n" |
"mov f9 = f0\n" |
"mov f10 = f0\n" |
"mov f11 = f0\n" |
"mov f12 = f0\n" |
"mov f13 = f0\n" |
"mov f14 = f0\n" |
"mov f15 = f0\n" |
"mov f16 = f0\n" |
"mov f17 = f0\n" |
"mov f18 = f0\n" |
"mov f19 = f0\n" |
"mov f20 = f0\n" |
"mov f21 = f0\n" |
"mov f22 = f0\n" |
"mov f23 = f0\n" |
"mov f24 = f0\n" |
"mov f25 = f0\n" |
"mov f26 = f0\n" |
"mov f27 = f0\n" |
"mov f28 = f0\n" |
"mov f29 = f0\n" |
"mov f30 = f0\n" |
"mov f31 = f0\n" |
"mov f32 = f0\n" |
"mov f33 = f0\n" |
"mov f34 = f0\n" |
"mov f35 = f0\n" |
"mov f36 = f0\n" |
"mov f37 = f0\n" |
"mov f38 = f0\n" |
"mov f39 = f0\n" |
"mov f40 = f0\n" |
"mov f41 = f0\n" |
"mov f42 = f0\n" |
"mov f43 = f0\n" |
"mov f44 = f0\n" |
"mov f45 = f0\n" |
"mov f46 = f0\n" |
"mov f47 = f0\n" |
"mov f48 = f0\n" |
"mov f49 = f0\n" |
"mov f50 = f0\n" |
"mov f51 = f0\n" |
"mov f52 = f0\n" |
"mov f53 = f0\n" |
"mov f54 = f0\n" |
"mov f55 = f0\n" |
"mov f56 = f0\n" |
"mov f57 = f0\n" |
"mov f58 = f0\n" |
"mov f59 = f0\n" |
"mov f60 = f0\n" |
"mov f61 = f0\n" |
"mov f62 = f0\n" |
"mov f63 = f0\n" |
"mov f64 = f0\n" |
"mov f65 = f0\n" |
"mov f66 = f0\n" |
"mov f67 = f0\n" |
"mov f68 = f0\n" |
"mov f69 = f0\n" |
"mov f70 = f0\n" |
"mov f71 = f0\n" |
"mov f72 = f0\n" |
"mov f73 = f0\n" |
"mov f74 = f0\n" |
"mov f75 = f0\n" |
"mov f76 = f0\n" |
"mov f77 = f0\n" |
"mov f78 = f0\n" |
"mov f79 = f0\n" |
"mov f80 = f0\n" |
"mov f81 = f0\n" |
"mov f82 = f0\n" |
"mov f83 = f0\n" |
"mov f84 = f0\n" |
"mov f85 = f0\n" |
"mov f86 = f0\n" |
"mov f87 = f0\n" |
"mov f88 = f0\n" |
"mov f89 = f0\n" |
"mov f90 = f0\n" |
"mov f91 = f0\n" |
"mov f92 = f0\n" |
"mov f93 = f0\n" |
"mov f94 = f0\n" |
"mov f95 = f0\n" |
"mov f96 = f0\n" |
"mov f97 = f0\n" |
"mov f98 = f0\n" |
"mov f99 = f0\n" |
"mov f100 = f0\n" |
"mov f101 = f0\n" |
"mov f102 = f0\n" |
"mov f103 = f0\n" |
"mov f104 = f0\n" |
"mov f105 = f0\n" |
"mov f106 = f0\n" |
"mov f107 = f0\n" |
"mov f108 = f0\n" |
"mov f109 = f0\n" |
"mov f110 = f0\n" |
"mov f111 = f0\n" |
"mov f112 = f0\n" |
"mov f113 = f0\n" |
"mov f114 = f0\n" |
"mov f115 = f0\n" |
"mov f116 = f0\n" |
"mov f117 = f0\n" |
"mov f118 = f0\n" |
"mov f119 = f0\n" |
"mov f120 = f0\n" |
"mov f121 = f0\n" |
"mov f122 = f0\n" |
"mov f123 = f0\n" |
"mov f124 = f0\n" |
"mov f125 = f0\n" |
"mov f126 = f0\n" |
"mov f127 = f0\n" |
); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/src/ddi/ddi.c |
---|
0,0 → 1,76 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* Copyright (c) 2008 Jakub vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64ddi |
* @{ |
*/ |
/** @file |
*/ |
#include <ddi/ddi.h> |
#include <proc/task.h> |
#include <arch/types.h> |
#include <mm/slab.h> |
#include <errno.h> |
#define IO_MEMMAP_PAGES 16384 |
#define PORTS_PER_PAGE 4 |
/** Enable I/O space range for task. |
* |
* Interrupts are disabled and task is locked. |
* |
* @param task Task. |
* @param ioaddr Starting I/O space address. |
* @param size Size of the enabled I/O range. |
* |
* @return 0 on success or an error code from errno.h. |
*/ |
int ddi_iospace_enable_arch(task_t *task, uintptr_t ioaddr, size_t size) |
{ |
if (!task->arch.iomap) { |
uint8_t *map; |
task->arch.iomap = malloc(sizeof(bitmap_t), 0); |
map = malloc(BITS2BYTES(IO_MEMMAP_PAGES), 0); |
if(!map) |
return ENOMEM; |
bitmap_initialize(task->arch.iomap, map, IO_MEMMAP_PAGES); |
bitmap_clear_range(task->arch.iomap, 0, IO_MEMMAP_PAGES); |
} |
uintptr_t iopage = ioaddr / PORTS_PER_PAGE; |
size = ALIGN_UP(size + ioaddr - 4 * iopage, PORTS_PER_PAGE); |
bitmap_set_range(task->arch.iomap, iopage, size / 4); |
return 0; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/src/proc/scheduler.c |
---|
0,0 → 1,98 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia64proc |
* @{ |
*/ |
/** @file |
*/ |
#include <proc/scheduler.h> |
#include <proc/thread.h> |
#include <arch.h> |
#include <arch/register.h> |
#include <arch/context.h> |
#include <arch/stack.h> |
#include <arch/mm/tlb.h> |
#include <config.h> |
#include <align.h> |
/** Perform ia64 specific tasks needed before the new task is run. */ |
void before_task_runs_arch(void) |
{ |
} |
/** Prepare kernel stack pointers in bank 0 r22 and r23 and make sure the stack |
* is mapped in DTR. |
*/ |
void before_thread_runs_arch(void) |
{ |
uintptr_t base; |
base = ALIGN_DOWN(config.base, 1 << KERNEL_PAGE_WIDTH); |
if ((uintptr_t) THREAD->kstack < base || |
(uintptr_t) THREAD->kstack > base + (1 << (KERNEL_PAGE_WIDTH))) { |
/* |
* Kernel stack of this thread is not mapped by DTR[TR_KERNEL]. |
* Use DTR[TR_KSTACK1] and DTR[TR_KSTACK2] to map it. |
*/ |
/* purge DTR[TR_STACK1] and DTR[TR_STACK2] */ |
dtr_purge((uintptr_t) THREAD->kstack, PAGE_WIDTH+1); |
/* insert DTR[TR_STACK1] and DTR[TR_STACK2] */ |
dtlb_kernel_mapping_insert((uintptr_t) THREAD->kstack, |
KA2PA(THREAD->kstack), true, DTR_KSTACK1); |
dtlb_kernel_mapping_insert((uintptr_t) THREAD->kstack + |
PAGE_SIZE, KA2PA(THREAD->kstack) + FRAME_SIZE, true, |
DTR_KSTACK2); |
} |
/* |
* Record address of kernel backing store to bank 0 r22. |
* Record address of kernel stack to bank 0 r23. |
* These values will be found there after switch from userspace. |
*/ |
asm volatile ( |
"bsw.0\n" |
"mov r22 = %0\n" |
"mov r23 = %1\n" |
"bsw.1\n" |
: |
: "r" (&THREAD->kstack[THREAD_STACK_SIZE]), |
"r" (&THREAD->kstack[THREAD_STACK_SIZE - SP_DELTA]) |
); |
} |
void after_thread_ran_arch(void) |
{ |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia64/src/context.S |
---|
0,0 → 1,246 |
# |
# Copyright (c) 2005 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
.text |
.global context_save_arch |
.global context_restore_arch |
context_save_arch: |
alloc loc0 = ar.pfs, 1, 8, 0, 0 |
mov loc1 = ar.unat ;; |
/* loc2 */ |
mov loc3 = ar.rsc |
.auto |
/* |
* Flush dirty registers to backing store. |
* After this ar.bsp and ar.bspstore are equal. |
*/ |
flushrs |
mov loc4 = ar.bsp |
/* |
* Put RSE to enforced lazy mode. |
* So that ar.rnat can be read. |
*/ |
and loc5 = ~3, loc3 |
mov ar.rsc = loc5 |
mov loc5 = ar.rnat |
.explicit |
mov loc6 = ar.lc |
/* |
* Save application registers |
*/ |
st8 [in0] = loc0, 8 ;; /* save ar.pfs */ |
st8 [in0] = loc1, 8 ;; /* save ar.unat (caller) */ |
mov loc2 = in0 ;; |
add in0 = 8, in0 ;; /* skip ar.unat (callee) */ |
st8 [in0] = loc3, 8 ;; /* save ar.rsc */ |
st8 [in0] = loc4, 8 ;; /* save ar.bsp */ |
st8 [in0] = loc5, 8 ;; /* save ar.rnat */ |
st8 [in0] = loc6, 8 ;; /* save ar.lc */ |
/* |
* Save general registers including NaT bits |
*/ |
st8.spill [in0] = r1, 8 ;; |
st8.spill [in0] = r4, 8 ;; |
st8.spill [in0] = r5, 8 ;; |
st8.spill [in0] = r6, 8 ;; |
st8.spill [in0] = r7, 8 ;; |
st8.spill [in0] = r12, 8 ;; /* save sp */ |
st8.spill [in0] = r13, 8 ;; |
mov loc3 = ar.unat ;; |
st8 [loc2] = loc3 /* save ar.unat (callee) */ |
/* |
* Save branch registers |
*/ |
mov loc2 = b0 ;; |
st8 [in0] = loc2, 8 /* save pc */ |
mov loc3 = b1 ;; |
st8 [in0] = loc3, 8 |
mov loc4 = b2 ;; |
st8 [in0] = loc4, 8 |
mov loc5 = b3 ;; |
st8 [in0] = loc5, 8 |
mov loc6 = b4 ;; |
st8 [in0] = loc6, 8 |
mov loc7 = b5 ;; |
st8 [in0] = loc7, 8 |
/* |
* Save predicate registers |
*/ |
mov loc2 = pr ;; |
st8 [in0] = loc2, 16;; /* Next fpu registers should be spilled to 16B aligned address */ |
/* |
* Save floating-point registers. |
*/ |
stf.spill [in0] = f2, 16 ;; |
stf.spill [in0] = f3, 16 ;; |
stf.spill [in0] = f4, 16 ;; |
stf.spill [in0] = f5, 16 ;; |
stf.spill [in0] = f16, 16 ;; |
stf.spill [in0] = f17, 16 ;; |
stf.spill [in0] = f18, 16 ;; |
stf.spill [in0] = f19, 16 ;; |
stf.spill [in0] = f20, 16 ;; |
stf.spill [in0] = f21, 16 ;; |
stf.spill [in0] = f22, 16 ;; |
stf.spill [in0] = f23, 16 ;; |
stf.spill [in0] = f24, 16 ;; |
stf.spill [in0] = f25, 16 ;; |
stf.spill [in0] = f26, 16 ;; |
stf.spill [in0] = f27, 16 ;; |
stf.spill [in0] = f28, 16 ;; |
stf.spill [in0] = f29, 16 ;; |
stf.spill [in0] = f30, 16 ;; |
stf.spill [in0] = f31, 16 ;; |
mov ar.unat = loc1 |
add r8 = r0, r0, 1 /* context_save returns 1 */ |
br.ret.sptk.many b0 |
context_restore_arch: |
alloc loc0 = ar.pfs, 1, 9, 0, 0 ;; |
ld8 loc0 = [in0], 8 ;; /* load ar.pfs */ |
ld8 loc1 = [in0], 8 ;; /* load ar.unat (caller) */ |
ld8 loc2 = [in0], 8 ;; /* load ar.unat (callee) */ |
ld8 loc3 = [in0], 8 ;; /* load ar.rsc */ |
ld8 loc4 = [in0], 8 ;; /* load ar.bsp */ |
ld8 loc5 = [in0], 8 ;; /* load ar.rnat */ |
ld8 loc6 = [in0], 8 ;; /* load ar.lc */ |
.auto |
/* |
* Invalidate the ALAT |
*/ |
invala |
/* |
* Put RSE to enforced lazy mode. |
* So that ar.bspstore and ar.rnat can be written. |
*/ |
movl loc8 = ~3 |
and loc8 = loc3, loc8 |
mov ar.rsc = loc8 |
/* |
* Flush dirty registers to backing store. |
* We do this because we want the following move |
* to ar.bspstore to assign the same value to ar.bsp. |
*/ |
flushrs |
/* |
* Restore application registers |
*/ |
mov ar.bspstore = loc4 /* rse.bspload = ar.bsp = ar.bspstore = loc4 */ |
mov ar.rnat = loc5 |
mov ar.pfs = loc0 |
mov ar.rsc = loc3 |
.explicit |
mov ar.unat = loc2 ;; |
mov ar.lc = loc6 |
/* |
* Restore general registers including NaT bits |
*/ |
ld8.fill r1 = [in0], 8 ;; |
ld8.fill r4 = [in0], 8 ;; |
ld8.fill r5 = [in0], 8 ;; |
ld8.fill r6 = [in0], 8 ;; |
ld8.fill r7 = [in0], 8 ;; |
ld8.fill r12 = [in0], 8 ;; /* restore sp */ |
ld8.fill r13 = [in0], 8 ;; |
/* |
* Restore branch registers |
*/ |
ld8 loc2 = [in0], 8 ;; /* restore pc */ |
mov b0 = loc2 |
ld8 loc3 = [in0], 8 ;; |
mov b1 = loc3 |
ld8 loc4 = [in0], 8 ;; |
mov b2 = loc4 |
ld8 loc5 = [in0], 8 ;; |
mov b3 = loc5 |
ld8 loc6 = [in0], 8 ;; |
mov b4 = loc6 |
ld8 loc7 = [in0], 8 ;; |
mov b5 = loc7 |
/* |
* Restore predicate registers |
*/ |
ld8 loc2 = [in0], 16 ;; |
mov pr = loc2, ~0 |
/* |
* Restore floating-point registers. |
*/ |
ldf.fill f2 = [in0], 16 ;; |
ldf.fill f3 = [in0], 16 ;; |
ldf.fill f4 = [in0], 16 ;; |
ldf.fill f5 = [in0], 16 ;; |
ldf.fill f16 = [in0], 16 ;; |
ldf.fill f17 = [in0], 16 ;; |
ldf.fill f18 = [in0], 16 ;; |
ldf.fill f19 = [in0], 16 ;; |
ldf.fill f20 = [in0], 16 ;; |
ldf.fill f21 = [in0], 16 ;; |
ldf.fill f22 = [in0], 16 ;; |
ldf.fill f23 = [in0], 16 ;; |
ldf.fill f24 = [in0], 16 ;; |
ldf.fill f25 = [in0], 16 ;; |
ldf.fill f26 = [in0], 16 ;; |
ldf.fill f27 = [in0], 16 ;; |
ldf.fill f28 = [in0], 16 ;; |
ldf.fill f29 = [in0], 16 ;; |
ldf.fill f30 = [in0], 16 ;; |
ldf.fill f31 = [in0], 16 ;; |
mov ar.unat = loc1 |
mov r8 = r0 /* context_restore returns 0 */ |
br.ret.sptk.many b0 |
/branches/arm/kernel/arch/ia64/src/dummy.s |
---|
0,0 → 1,42 |
# |
# Copyright (c) 2005 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
.text |
.global calibrate_delay_loop |
.global asm_delay_loop |
.global cpu_sleep |
.global dummy |
calibrate_delay_loop: |
asm_delay_loop: |
cpu_sleep: |
dummy: |
br.ret.sptk.many b0 |
/branches/arm/kernel/arch/ia64/Makefile.inc |
---|
0,0 → 1,75 |
# |
# Copyright (c) 2005 Martin Decky |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
## Toolchain configuration |
# |
BFD_NAME = elf64-little |
BFD_ARCH = ia64-elf64 |
TARGET = ia64-pc-linux-gnu |
TOOLCHAIN_DIR = $(CROSS_PREFIX)/ia64 |
CMN1 = -mconstant-gp -fno-unwind-tables -mfixed-range=f32-f127 |
GCC_CFLAGS += $(CMN1) |
ICC_CFLAGS += $(CMN1) |
LFLAGS += -EL |
AFLAGS += -mconstant-gp |
BITS = 64 |
ENDIANESS = LE |
ARCH_SOURCES = \ |
arch/$(KARCH)/src/start.S \ |
arch/$(KARCH)/src/asm.S \ |
arch/$(KARCH)/src/dummy.s \ |
arch/$(KARCH)/src/ia64.c \ |
arch/$(KARCH)/src/fpu_context.c \ |
arch/$(KARCH)/src/context.S \ |
arch/$(KARCH)/src/cpu/cpu.c \ |
arch/$(KARCH)/src/ivt.S \ |
arch/$(KARCH)/src/interrupt.c \ |
arch/$(KARCH)/src/mm/as.c \ |
arch/$(KARCH)/src/mm/frame.c \ |
arch/$(KARCH)/src/mm/page.c \ |
arch/$(KARCH)/src/mm/tlb.c \ |
arch/$(KARCH)/src/mm/vhpt.c \ |
arch/$(KARCH)/src/proc/scheduler.c \ |
arch/$(KARCH)/src/ddi/ddi.c \ |
arch/$(KARCH)/src/smp/smp.c \ |
arch/$(KARCH)/src/drivers/it.c |
ifeq ($(MACHINE),ski) |
ARCH_SOURCES += arch/$(KARCH)/src/drivers/ski.c |
BFD = binary |
endif |
ifeq ($(MACHINE),i460GX) |
DEFS += -DI460GX |
BFD = binary |
endif |
/branches/arm/kernel/arch/ia64/_link.ld.in |
---|
0,0 → 1,44 |
/** IA-64 linker script |
* |
* It is ELF format, but its only section looks like this: |
* kernel text |
* kernel data |
* |
*/ |
ENTRY(kernel_image_start) |
SECTIONS { |
.image 0xe000000004404000: AT (0x0000000004404000) { |
ktext_start = .; |
*(K_TEXT_START); |
*(.text) |
ktext_end = .; |
kdata_start = .; |
*(K_DATA_START) |
*(.rodata .rodata.*) |
*(.opd) |
*(.data .data.*) |
*(.got .got.*) |
*(.sdata) |
*(.sbss) |
*(.scommon) |
*(.bss) |
*(COMMON); |
symbol_table = .; |
*(symtab.*); /* Symbol table, must be LAST symbol!*/ |
kdata_end = .; |
} |
/DISCARD/ : { |
*(*); |
} |
_hardcoded_ktext_size = ktext_end - ktext_start; |
_hardcoded_kdata_size = kdata_end - kdata_start; |
_hardcoded_load_address = 0xe000000004404000; |
} |
/branches/arm/kernel/arch/ppc32/src/ppc32.c |
---|
0,0 → 1,220 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
*/ |
#include <config.h> |
#include <arch.h> |
#include <arch/boot/boot.h> |
#include <genarch/drivers/via-cuda/cuda.h> |
#include <genarch/kbrd/kbrd.h> |
#include <arch/interrupt.h> |
#include <genarch/fb/fb.h> |
#include <genarch/fb/visuals.h> |
#include <userspace.h> |
#include <proc/uarg.h> |
#include <console/console.h> |
#include <ddi/irq.h> |
#include <arch/drivers/pic.h> |
#include <align.h> |
#include <macros.h> |
#include <string.h> |
#define IRQ_COUNT 64 |
#define IRQ_CUDA 10 |
bootinfo_t bootinfo; |
/** Performs ppc32-specific initialization before main_bsp() is called. */ |
void arch_pre_main(void) |
{ |
init.cnt = bootinfo.taskmap.count; |
uint32_t i; |
for (i = 0; i < min3(bootinfo.taskmap.count, TASKMAP_MAX_RECORDS, CONFIG_INIT_TASKS); i++) { |
init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr); |
init.tasks[i].size = bootinfo.taskmap.tasks[i].size; |
str_cpy(init.tasks[i].name, CONFIG_TASK_NAME_BUFLEN, |
bootinfo.taskmap.tasks[i].name); |
} |
} |
void arch_pre_mm_init(void) |
{ |
/* Initialize dispatch table */ |
interrupt_init(); |
/* Start decrementer */ |
start_decrementer(); |
} |
void arch_post_mm_init(void) |
{ |
if (config.cpu_active == 1) { |
#ifdef CONFIG_FB |
/* Initialize framebuffer */ |
if (bootinfo.screen.addr) { |
unsigned int visual; |
switch (bootinfo.screen.bpp) { |
case 8: |
visual = VISUAL_INDIRECT_8; |
break; |
case 16: |
visual = VISUAL_RGB_5_5_5; |
break; |
case 24: |
visual = VISUAL_RGB_8_8_8; |
break; |
case 32: |
visual = VISUAL_RGB_0_8_8_8; |
break; |
default: |
panic("Unsupported bits per pixel."); |
} |
fb_properties_t prop = { |
.addr = bootinfo.screen.addr, |
.offset = 0, |
.x = bootinfo.screen.width, |
.y = bootinfo.screen.height, |
.scan = bootinfo.screen.scanline, |
.visual = visual, |
}; |
fb_init(&prop); |
} |
#endif |
/* Initialize IRQ routing */ |
irq_init(IRQ_COUNT, IRQ_COUNT); |
/* Merge all zones to 1 big zone */ |
zone_merge_all(); |
} |
} |
void arch_post_cpu_init(void) |
{ |
} |
void arch_pre_smp_init(void) |
{ |
} |
void arch_post_smp_init(void) |
{ |
if (bootinfo.macio.addr) { |
/* Initialize PIC */ |
cir_t cir; |
void *cir_arg; |
pic_init(bootinfo.macio.addr, PAGE_SIZE, &cir, &cir_arg); |
#ifdef CONFIG_MAC_KBD |
uintptr_t pa = bootinfo.macio.addr + 0x16000; |
uintptr_t aligned_addr = ALIGN_DOWN(pa, PAGE_SIZE); |
size_t offset = pa - aligned_addr; |
size_t size = 2 * PAGE_SIZE; |
cuda_t *cuda = (cuda_t *) |
(hw_map(aligned_addr, offset + size) + offset); |
/* Initialize I/O controller */ |
cuda_instance_t *cuda_instance = |
cuda_init(cuda, IRQ_CUDA, cir, cir_arg); |
if (cuda_instance) { |
kbrd_instance_t *kbrd_instance = kbrd_init(); |
if (kbrd_instance) { |
indev_t *sink = stdin_wire(); |
indev_t *kbrd = kbrd_wire(kbrd_instance, sink); |
cuda_wire(cuda_instance, kbrd); |
pic_enable_interrupt(IRQ_CUDA); |
} |
} |
#endif |
} |
} |
void calibrate_delay_loop(void) |
{ |
} |
void userspace(uspace_arg_t *kernel_uarg) |
{ |
userspace_asm((uintptr_t) kernel_uarg->uspace_uarg, |
(uintptr_t) kernel_uarg->uspace_stack + |
THREAD_STACK_SIZE - SP_DELTA, |
(uintptr_t) kernel_uarg->uspace_entry); |
/* Unreachable */ |
while (true); |
} |
/** Acquire console back for kernel |
* |
*/ |
void arch_grab_console(void) |
{ |
#ifdef CONFIG_FB |
fb_redraw(); |
#endif |
} |
/** Return console to userspace |
* |
*/ |
void arch_release_console(void) |
{ |
} |
/** Construct function pointer |
* |
* @param fptr function pointer structure |
* @param addr function address |
* @param caller calling function address |
* |
* @return address of the function pointer |
* |
*/ |
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
{ |
return addr; |
} |
void arch_reboot(void) |
{ |
// TODO |
while (1); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/src/mm/tlb.c |
---|
0,0 → 1,620 |
/* |
* Copyright (c) 2006 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32mm |
* @{ |
*/ |
/** @file |
*/ |
#include <mm/tlb.h> |
#include <arch/mm/tlb.h> |
#include <arch/interrupt.h> |
#include <interrupt.h> |
#include <mm/as.h> |
#include <arch.h> |
#include <print.h> |
#include <macros.h> |
#include <symtab.h> |
static unsigned int seed = 10; |
static unsigned int seed_real __attribute__ ((section("K_UNMAPPED_DATA_START"))) = 42; |
#define TLB_FLUSH \ |
"tlbie %0\n" \ |
"addi %0, %0, 0x1000\n" |
/** Try to find PTE for faulting address |
* |
* Try to find PTE for faulting address. |
* The as->lock must be held on entry to this function |
* if lock is true. |
* |
* @param as Address space. |
* @param lock Lock/unlock the address space. |
* @param badvaddr Faulting virtual address. |
* @param access Access mode that caused the fault. |
* @param istate Pointer to interrupted state. |
* @param pfrc Pointer to variable where as_page_fault() return code |
* will be stored. |
* @return PTE on success, NULL otherwise. |
* |
*/ |
static pte_t * |
find_mapping_and_check(as_t *as, bool lock, uintptr_t badvaddr, int access, |
istate_t *istate, int *pfrc) |
{ |
/* |
* Check if the mapping exists in page tables. |
*/ |
pte_t *pte = page_mapping_find(as, badvaddr); |
if ((pte) && (pte->present)) { |
/* |
* Mapping found in page tables. |
* Immediately succeed. |
*/ |
return pte; |
} else { |
int rc; |
/* |
* Mapping not found in page tables. |
* Resort to higher-level page fault handler. |
*/ |
page_table_unlock(as, lock); |
switch (rc = as_page_fault(badvaddr, access, istate)) { |
case AS_PF_OK: |
/* |
* The higher-level page fault handler succeeded, |
* The mapping ought to be in place. |
*/ |
page_table_lock(as, lock); |
pte = page_mapping_find(as, badvaddr); |
ASSERT((pte) && (pte->present)); |
*pfrc = 0; |
return pte; |
case AS_PF_DEFER: |
page_table_lock(as, lock); |
*pfrc = rc; |
return NULL; |
case AS_PF_FAULT: |
page_table_lock(as, lock); |
*pfrc = rc; |
return NULL; |
default: |
panic("Unexpected rc (%d).", rc); |
} |
} |
} |
static void pht_refill_fail(uintptr_t badvaddr, istate_t *istate) |
{ |
char *symbol; |
char *sym2; |
symbol = symtab_fmt_name_lookup(istate->pc); |
sym2 = symtab_fmt_name_lookup(istate->lr); |
fault_if_from_uspace(istate, |
"PHT Refill Exception on %p.", badvaddr); |
panic("%p: PHT Refill Exception at %p (%s<-%s).", badvaddr, |
istate->pc, symbol, sym2); |
} |
static void pht_insert(const uintptr_t vaddr, const pte_t *pte) |
{ |
uint32_t page = (vaddr >> 12) & 0xffff; |
uint32_t api = (vaddr >> 22) & 0x3f; |
uint32_t vsid; |
asm volatile ( |
"mfsrin %0, %1\n" |
: "=r" (vsid) |
: "r" (vaddr) |
); |
uint32_t sdr1; |
asm volatile ( |
"mfsdr1 %0\n" |
: "=r" (sdr1) |
); |
phte_t *phte = (phte_t *) PA2KA(sdr1 & 0xffff0000); |
/* Primary hash (xor) */ |
uint32_t h = 0; |
uint32_t hash = vsid ^ page; |
uint32_t base = (hash & 0x3ff) << 3; |
uint32_t i; |
bool found = false; |
/* Find colliding PTE in PTEG */ |
for (i = 0; i < 8; i++) { |
if ((phte[base + i].v) |
&& (phte[base + i].vsid == vsid) |
&& (phte[base + i].api == api) |
&& (phte[base + i].h == 0)) { |
found = true; |
break; |
} |
} |
if (!found) { |
/* Find unused PTE in PTEG */ |
for (i = 0; i < 8; i++) { |
if (!phte[base + i].v) { |
found = true; |
break; |
} |
} |
} |
if (!found) { |
/* Secondary hash (not) */ |
uint32_t base2 = (~hash & 0x3ff) << 3; |
/* Find colliding PTE in PTEG */ |
for (i = 0; i < 8; i++) { |
if ((phte[base2 + i].v) |
&& (phte[base2 + i].vsid == vsid) |
&& (phte[base2 + i].api == api) |
&& (phte[base2 + i].h == 1)) { |
found = true; |
base = base2; |
h = 1; |
break; |
} |
} |
if (!found) { |
/* Find unused PTE in PTEG */ |
for (i = 0; i < 8; i++) { |
if (!phte[base2 + i].v) { |
found = true; |
base = base2; |
h = 1; |
break; |
} |
} |
} |
if (!found) |
i = RANDI(seed) % 8; |
} |
phte[base + i].v = 1; |
phte[base + i].vsid = vsid; |
phte[base + i].h = h; |
phte[base + i].api = api; |
phte[base + i].rpn = pte->pfn; |
phte[base + i].r = 0; |
phte[base + i].c = 0; |
phte[base + i].wimg = (pte->page_cache_disable ? WIMG_NO_CACHE : 0); |
phte[base + i].pp = 2; // FIXME |
} |
/** Process Instruction/Data Storage Exception |
* |
* @param n Exception vector number. |
* @param istate Interrupted register context. |
* |
*/ |
void pht_refill(int n, istate_t *istate) |
{ |
uintptr_t badvaddr; |
pte_t *pte; |
int pfrc; |
as_t *as; |
bool lock; |
if (AS == NULL) { |
as = AS_KERNEL; |
lock = false; |
} else { |
as = AS; |
lock = true; |
} |
if (n == VECTOR_DATA_STORAGE) |
badvaddr = istate->dar; |
else |
badvaddr = istate->pc; |
page_table_lock(as, lock); |
pte = find_mapping_and_check(as, lock, badvaddr, |
PF_ACCESS_READ /* FIXME */, istate, &pfrc); |
if (!pte) { |
switch (pfrc) { |
case AS_PF_FAULT: |
goto fail; |
break; |
case AS_PF_DEFER: |
/* |
* The page fault came during copy_from_uspace() |
* or copy_to_uspace(). |
*/ |
page_table_unlock(as, lock); |
return; |
default: |
panic("Unexpected pfrc (%d).", pfrc); |
} |
} |
pte->accessed = 1; /* Record access to PTE */ |
pht_insert(badvaddr, pte); |
page_table_unlock(as, lock); |
return; |
fail: |
page_table_unlock(as, lock); |
pht_refill_fail(badvaddr, istate); |
} |
/** Process Instruction/Data Storage Exception in Real Mode |
* |
* @param n Exception vector number. |
* @param istate Interrupted register context. |
* |
*/ |
bool pht_refill_real(int n, istate_t *istate) |
{ |
uintptr_t badvaddr; |
if (n == VECTOR_DATA_STORAGE) |
badvaddr = istate->dar; |
else |
badvaddr = istate->pc; |
uint32_t physmem; |
asm volatile ( |
"mfsprg3 %0\n" |
: "=r" (physmem) |
); |
if ((badvaddr < PA2KA(0)) || (badvaddr >= PA2KA(physmem))) |
return false; |
uint32_t page = (badvaddr >> 12) & 0xffff; |
uint32_t api = (badvaddr >> 22) & 0x3f; |
uint32_t vsid; |
asm volatile ( |
"mfsrin %0, %1\n" |
: "=r" (vsid) |
: "r" (badvaddr) |
); |
uint32_t sdr1; |
asm volatile ( |
"mfsdr1 %0\n" |
: "=r" (sdr1) |
); |
phte_t *phte_real = (phte_t *) (sdr1 & 0xffff0000); |
/* Primary hash (xor) */ |
uint32_t h = 0; |
uint32_t hash = vsid ^ page; |
uint32_t base = (hash & 0x3ff) << 3; |
uint32_t i; |
bool found = false; |
/* Find colliding PTE in PTEG */ |
for (i = 0; i < 8; i++) { |
if ((phte_real[base + i].v) |
&& (phte_real[base + i].vsid == vsid) |
&& (phte_real[base + i].api == api) |
&& (phte_real[base + i].h == 0)) { |
found = true; |
break; |
} |
} |
if (!found) { |
/* Find unused PTE in PTEG */ |
for (i = 0; i < 8; i++) { |
if (!phte_real[base + i].v) { |
found = true; |
break; |
} |
} |
} |
if (!found) { |
/* Secondary hash (not) */ |
uint32_t base2 = (~hash & 0x3ff) << 3; |
/* Find colliding PTE in PTEG */ |
for (i = 0; i < 8; i++) { |
if ((phte_real[base2 + i].v) |
&& (phte_real[base2 + i].vsid == vsid) |
&& (phte_real[base2 + i].api == api) |
&& (phte_real[base2 + i].h == 1)) { |
found = true; |
base = base2; |
h = 1; |
break; |
} |
} |
if (!found) { |
/* Find unused PTE in PTEG */ |
for (i = 0; i < 8; i++) { |
if (!phte_real[base2 + i].v) { |
found = true; |
base = base2; |
h = 1; |
break; |
} |
} |
} |
if (!found) { |
/* Use secondary hash to avoid collisions |
with usual PHT refill handler. */ |
i = RANDI(seed_real) % 8; |
base = base2; |
h = 1; |
} |
} |
phte_real[base + i].v = 1; |
phte_real[base + i].vsid = vsid; |
phte_real[base + i].h = h; |
phte_real[base + i].api = api; |
phte_real[base + i].rpn = KA2PA(badvaddr) >> 12; |
phte_real[base + i].r = 0; |
phte_real[base + i].c = 0; |
phte_real[base + i].wimg = 0; |
phte_real[base + i].pp = 2; // FIXME |
return true; |
} |
/** Process ITLB/DTLB Miss Exception in Real Mode |
* |
* |
*/ |
void tlb_refill_real(int n, uint32_t tlbmiss, ptehi_t ptehi, ptelo_t ptelo, istate_t *istate) |
{ |
uint32_t badvaddr = tlbmiss & 0xfffffffc; |
uint32_t physmem; |
asm volatile ( |
"mfsprg3 %0\n" |
: "=r" (physmem) |
); |
if ((badvaddr < PA2KA(0)) || (badvaddr >= PA2KA(physmem))) |
return; // FIXME |
ptelo.rpn = KA2PA(badvaddr) >> 12; |
ptelo.wimg = 0; |
ptelo.pp = 2; // FIXME |
uint32_t index = 0; |
asm volatile ( |
"mtspr 981, %0\n" |
"mtspr 982, %1\n" |
"tlbld %2\n" |
"tlbli %2\n" |
: "=r" (index) |
: "r" (ptehi), |
"r" (ptelo) |
); |
} |
void tlb_arch_init(void) |
{ |
tlb_invalidate_all(); |
} |
void tlb_invalidate_all(void) |
{ |
uint32_t index; |
asm volatile ( |
"li %0, 0\n" |
"sync\n" |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
TLB_FLUSH |
"eieio\n" |
"tlbsync\n" |
"sync\n" |
: "=r" (index) |
); |
} |
void tlb_invalidate_asid(asid_t asid) |
{ |
uint32_t sdr1; |
asm volatile ( |
"mfsdr1 %0\n" |
: "=r" (sdr1) |
); |
phte_t *phte = (phte_t *) PA2KA(sdr1 & 0xffff0000); |
uint32_t i; |
for (i = 0; i < 8192; i++) { |
if ((phte[i].v) && (phte[i].vsid >= (asid << 4)) && |
(phte[i].vsid < ((asid << 4) + 16))) |
phte[i].v = 0; |
} |
tlb_invalidate_all(); |
} |
void tlb_invalidate_pages(asid_t asid, uintptr_t page, size_t cnt) |
{ |
// TODO |
tlb_invalidate_all(); |
} |
#define PRINT_BAT(name, ureg, lreg) \ |
asm volatile ( \ |
"mfspr %0," #ureg "\n" \ |
"mfspr %1," #lreg "\n" \ |
: "=r" (upper), "=r" (lower) \ |
); \ |
mask = (upper & 0x1ffc) >> 2; \ |
if (upper & 3) { \ |
uint32_t tmp = mask; \ |
length = 128; \ |
while (tmp) { \ |
if ((tmp & 1) == 0) { \ |
printf("ibat[0]: error in mask\n"); \ |
break; \ |
} \ |
length <<= 1; \ |
tmp >>= 1; \ |
} \ |
} else \ |
length = 0; \ |
printf(name ": page=%.*p frame=%.*p length=%d KB (mask=%#x)%s%s\n", \ |
sizeof(upper) * 2, upper & 0xffff0000, sizeof(lower) * 2, \ |
lower & 0xffff0000, length, mask, \ |
((upper >> 1) & 1) ? " supervisor" : "", \ |
(upper & 1) ? " user" : ""); |
void tlb_print(void) |
{ |
uint32_t sr; |
for (sr = 0; sr < 16; sr++) { |
uint32_t vsid; |
asm volatile ( |
"mfsrin %0, %1\n" |
: "=r" (vsid) |
: "r" (sr << 28) |
); |
printf("sr[%02u]: vsid=%.*p (asid=%u)%s%s\n", sr, |
sizeof(vsid) * 2, vsid & 0xffffff, (vsid & 0xffffff) >> 4, |
((vsid >> 30) & 1) ? " supervisor" : "", |
((vsid >> 29) & 1) ? " user" : ""); |
} |
uint32_t upper; |
uint32_t lower; |
uint32_t mask; |
uint32_t length; |
PRINT_BAT("ibat[0]", 528, 529); |
PRINT_BAT("ibat[1]", 530, 531); |
PRINT_BAT("ibat[2]", 532, 533); |
PRINT_BAT("ibat[3]", 534, 535); |
PRINT_BAT("dbat[0]", 536, 537); |
PRINT_BAT("dbat[1]", 538, 539); |
PRINT_BAT("dbat[2]", 540, 541); |
PRINT_BAT("dbat[3]", 542, 543); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/src/mm/frame.c |
---|
0,0 → 1,92 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32mm |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/boot/boot.h> |
#include <arch/mm/frame.h> |
#include <mm/frame.h> |
#include <align.h> |
#include <macros.h> |
#include <print.h> |
uintptr_t last_frame = 0; |
void physmem_print(void) |
{ |
unsigned int i; |
printf("Base Size\n"); |
printf("---------- ----------\n"); |
for (i = 0; i < bootinfo.memmap.count; i++) { |
printf("%#10x %#10x\n", bootinfo.memmap.zones[i].start, |
bootinfo.memmap.zones[i].size); |
} |
} |
void frame_arch_init(void) |
{ |
pfn_t minconf = 2; |
size_t i; |
pfn_t start, conf; |
size_t size; |
for (i = 0; i < bootinfo.memmap.count; i++) { |
start = ADDR2PFN(ALIGN_UP(bootinfo.memmap.zones[i].start, FRAME_SIZE)); |
size = SIZE2FRAMES(ALIGN_DOWN(bootinfo.memmap.zones[i].size, FRAME_SIZE)); |
if ((minconf < start) || (minconf >= start + size)) |
conf = start; |
else |
conf = minconf; |
zone_create(start, size, conf, 0); |
if (last_frame < ALIGN_UP(bootinfo.memmap.zones[i].start + bootinfo.memmap.zones[i].size, FRAME_SIZE)) |
last_frame = ALIGN_UP(bootinfo.memmap.zones[i].start + bootinfo.memmap.zones[i].size, FRAME_SIZE); |
} |
/* First is exception vector, second is 'implementation specific', |
third and fourth is reserved, other contain real mode code */ |
frame_mark_unavailable(0, 8); |
/* Mark the Page Hash Table frames as unavailable */ |
uint32_t sdr1; |
asm volatile ( |
"mfsdr1 %0\n" |
: "=r" (sdr1) |
); |
frame_mark_unavailable(ADDR2PFN(sdr1 & 0xffff000), 16); // FIXME |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/src/mm/page.c |
---|
0,0 → 1,67 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32mm |
* @{ |
*/ |
/** @file |
*/ |
#include <genarch/mm/page_pt.h> |
#include <mm/frame.h> |
#include <mm/as.h> |
#include <align.h> |
#include <config.h> |
void page_arch_init(void) |
{ |
if (config.cpu_active == 1) |
page_mapping_operations = &pt_mapping_operations; |
} |
uintptr_t hw_map(uintptr_t physaddr, size_t size) |
{ |
if (last_frame + ALIGN_UP(size, PAGE_SIZE) > |
KA2PA(KERNEL_ADDRESS_SPACE_END_ARCH)) |
panic("Unable to map physical memory %p (%" PRIs " bytes).", |
physaddr, size) |
uintptr_t virtaddr = PA2KA(last_frame); |
pfn_t i; |
for (i = 0; i < ADDR2PFN(ALIGN_UP(size, PAGE_SIZE)); i++) |
page_mapping_insert(AS_KERNEL, virtaddr + PFN2ADDR(i), |
physaddr + PFN2ADDR(i), PAGE_NOT_CACHEABLE | PAGE_WRITE); |
last_frame = ALIGN_UP(last_frame + size, FRAME_SIZE); |
return virtaddr; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/src/mm/as.c |
---|
0,0 → 1,81 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32mm |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/mm/as.h> |
#include <genarch/mm/as_pt.h> |
#include <genarch/mm/asid_fifo.h> |
#include <arch.h> |
/** Architecture dependent address space init. */ |
void as_arch_init(void) |
{ |
as_operations = &as_pt_operations; |
asid_fifo_init(); |
} |
/** Install address space. |
* |
* Install ASID. |
* |
* @param as Address space structure. |
* |
*/ |
void as_install_arch(as_t *as) |
{ |
asid_t asid; |
uint32_t sr; |
asid = as->asid; |
/* Lower 2 GB, user and supervisor access */ |
for (sr = 0; sr < 8; sr++) { |
asm volatile ( |
"mtsrin %0, %1\n" |
: |
: "r" ((0x6000 << 16) + (asid << 4) + sr), "r" (sr << 28) |
); |
} |
/* Upper 2 GB, only supervisor access */ |
for (sr = 8; sr < 16; sr++) { |
asm volatile ( |
"mtsrin %0, %1\n" |
: |
: "r" ((0x4000 << 16) + (asid << 4) + sr), "r" (sr << 28) |
); |
} |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/src/dummy.s |
---|
0,0 → 1,42 |
# |
# Copyright (c) 2005 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
.text |
.global asm_delay_loop |
.global sys_tls_set |
.global cpu_halt |
sys_tls_set: |
b sys_tls_set |
asm_delay_loop: |
blr |
cpu_halt: |
b cpu_halt |
/branches/arm/kernel/arch/ppc32/src/interrupt.c |
---|
0,0 → 1,112 |
/* |
* Copyright (c) 2006 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32interrupt |
* @{ |
*/ |
/** @file |
*/ |
#include <ddi/irq.h> |
#include <interrupt.h> |
#include <arch/interrupt.h> |
#include <arch/types.h> |
#include <arch.h> |
#include <time/clock.h> |
#include <ipc/sysipc.h> |
#include <arch/drivers/pic.h> |
#include <arch/mm/tlb.h> |
#include <print.h> |
void start_decrementer(void) |
{ |
asm volatile ( |
"mtdec %0\n" |
: |
: "r" (1000) |
); |
} |
/** Handler of external interrupts */ |
static void exception_external(int n, istate_t *istate) |
{ |
int inum; |
while ((inum = pic_get_pending()) != -1) { |
irq_t *irq = irq_dispatch_and_lock(inum); |
if (irq) { |
/* |
* The IRQ handler was found. |
*/ |
if (irq->preack) { |
/* Acknowledge the interrupt before processing */ |
if (irq->cir) |
irq->cir(irq->cir_arg, irq->inr); |
} |
irq->handler(irq); |
if (!irq->preack) { |
if (irq->cir) |
irq->cir(irq->cir_arg, irq->inr); |
} |
spinlock_unlock(&irq->lock); |
} else { |
/* |
* Spurious interrupt. |
*/ |
#ifdef CONFIG_DEBUG |
printf("cpu%u: spurious interrupt (inum=%d)\n", CPU->id, inum); |
#endif |
} |
} |
} |
static void exception_decrementer(int n, istate_t *istate) |
{ |
start_decrementer(); |
clock(); |
} |
/* Initialize basic tables for exception dispatching */ |
void interrupt_init(void) |
{ |
exc_register(VECTOR_DATA_STORAGE, "data_storage", pht_refill); |
exc_register(VECTOR_INSTRUCTION_STORAGE, "instruction_storage", pht_refill); |
exc_register(VECTOR_EXTERNAL, "external", exception_external); |
exc_register(VECTOR_DECREMENTER, "timer", exception_decrementer); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/src/drivers/pic.c |
---|
0,0 → 1,100 |
/* |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/drivers/pic.h> |
#include <mm/page.h> |
#include <byteorder.h> |
#include <bitops.h> |
static volatile uint32_t *pic = NULL; |
void pic_init(uintptr_t base, size_t size, cir_t *cir, void **cir_arg) |
{ |
pic = (uint32_t *) hw_map(base, size); |
*cir = pic_ack_interrupt; |
*cir_arg = NULL; |
} |
void pic_enable_interrupt(inr_t intnum) |
{ |
if (pic) { |
if (intnum < 32) |
pic[PIC_MASK_LOW] = pic[PIC_MASK_LOW] | (1 << intnum); |
else |
pic[PIC_MASK_HIGH] = pic[PIC_MASK_HIGH] | (1 << (intnum - 32)); |
} |
} |
void pic_disable_interrupt(inr_t intnum) |
{ |
if (pic) { |
if (intnum < 32) |
pic[PIC_MASK_LOW] = pic[PIC_MASK_LOW] & (~(1 << intnum)); |
else |
pic[PIC_MASK_HIGH] = pic[PIC_MASK_HIGH] & (~(1 << (intnum - 32))); |
} |
} |
void pic_ack_interrupt(void *arg, inr_t intnum) |
{ |
if (pic) { |
if (intnum < 32) |
pic[PIC_ACK_LOW] = 1 << intnum; |
else |
pic[PIC_ACK_HIGH] = 1 << (intnum - 32); |
} |
} |
/** Return number of pending interrupt */ |
int pic_get_pending(void) |
{ |
if (pic) { |
int pending; |
pending = pic[PIC_PENDING_LOW]; |
if (pending) |
return fnzb32(pending); |
pending = pic[PIC_PENDING_HIGH]; |
if (pending) |
return fnzb32(pending) + 32; |
} |
return -1; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/src/asm.S |
---|
0,0 → 1,281 |
# |
# Copyright (c) 2005 Martin Decky |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include <arch/asm/regname.h> |
.text |
.global userspace_asm |
.global iret |
.global iret_syscall |
.global memsetb |
.global memsetw |
.global memcpy |
.global memcpy_from_uspace |
.global memcpy_to_uspace |
.global memcpy_from_uspace_failover_address |
.global memcpy_to_uspace_failover_address |
userspace_asm: |
# r3 = uspace_uarg |
# r4 = stack |
# r5 = entry |
# disable interrupts |
mfmsr r31 |
rlwinm r31, r31, 0, 17, 15 |
mtmsr r31 |
# set entry point |
mtsrr0 r5 |
# set problem state, enable interrupts |
ori r31, r31, msr_pr |
ori r31, r31, msr_ee |
mtsrr1 r31 |
# set stack |
mr sp, r4 |
# %r6 is defined to hold pcb_ptr - set it to 0 |
xor r6, r6, r6 |
# jump to userspace |
rfi |
iret: |
# disable interrupts |
mfmsr r31 |
rlwinm r31, r31, 0, 17, 15 |
mtmsr r31 |
lwz r0, 8(sp) |
lwz r2, 12(sp) |
lwz r3, 16(sp) |
lwz r4, 20(sp) |
lwz r5, 24(sp) |
lwz r6, 28(sp) |
lwz r7, 32(sp) |
lwz r8, 36(sp) |
lwz r9, 40(sp) |
lwz r10, 44(sp) |
lwz r11, 48(sp) |
lwz r13, 52(sp) |
lwz r14, 56(sp) |
lwz r15, 60(sp) |
lwz r16, 64(sp) |
lwz r17, 68(sp) |
lwz r18, 72(sp) |
lwz r19, 76(sp) |
lwz r20, 80(sp) |
lwz r21, 84(sp) |
lwz r22, 88(sp) |
lwz r23, 92(sp) |
lwz r24, 96(sp) |
lwz r25, 100(sp) |
lwz r26, 104(sp) |
lwz r27, 108(sp) |
lwz r28, 112(sp) |
lwz r29, 116(sp) |
lwz r30, 120(sp) |
lwz r31, 124(sp) |
lwz r12, 128(sp) |
mtcr r12 |
lwz r12, 132(sp) |
mtsrr0 r12 |
lwz r12, 136(sp) |
mtsrr1 r12 |
lwz r12, 140(sp) |
mtlr r12 |
lwz r12, 144(sp) |
mtctr r12 |
lwz r12, 148(sp) |
mtxer r12 |
lwz r12, 156(sp) |
lwz sp, 160(sp) |
rfi |
iret_syscall: |
# reset decrementer |
li r31, 1000 |
mtdec r31 |
# disable interrupts |
mfmsr r31 |
rlwinm r31, r31, 0, 17, 15 |
mtmsr r31 |
lwz r0, 8(sp) |
lwz r2, 12(sp) |
lwz r4, 20(sp) |
lwz r5, 24(sp) |
lwz r6, 28(sp) |
lwz r7, 32(sp) |
lwz r8, 36(sp) |
lwz r9, 40(sp) |
lwz r10, 44(sp) |
lwz r11, 48(sp) |
lwz r13, 52(sp) |
lwz r14, 56(sp) |
lwz r15, 60(sp) |
lwz r16, 64(sp) |
lwz r17, 68(sp) |
lwz r18, 72(sp) |
lwz r19, 76(sp) |
lwz r20, 80(sp) |
lwz r21, 84(sp) |
lwz r22, 88(sp) |
lwz r23, 92(sp) |
lwz r24, 96(sp) |
lwz r25, 100(sp) |
lwz r26, 104(sp) |
lwz r27, 108(sp) |
lwz r28, 112(sp) |
lwz r29, 116(sp) |
lwz r30, 120(sp) |
lwz r31, 124(sp) |
lwz r12, 128(sp) |
mtcr r12 |
lwz r12, 132(sp) |
mtsrr0 r12 |
lwz r12, 136(sp) |
mtsrr1 r12 |
lwz r12, 140(sp) |
mtlr r12 |
lwz r12, 144(sp) |
mtctr r12 |
lwz r12, 148(sp) |
mtxer r12 |
lwz r12, 156(sp) |
lwz sp, 160(sp) |
rfi |
memsetb: |
b _memsetb |
memsetw: |
b _memsetw |
memcpy: |
memcpy_from_uspace: |
memcpy_to_uspace: |
srwi. r7, r5, 3 |
addi r6, r3, -4 |
addi r4, r4, -4 |
beq 2f |
andi. r0, r6, 3 |
mtctr r7 |
bne 5f |
1: |
lwz r7, 4(r4) |
lwzu r8, 8(r4) |
stw r7, 4(r6) |
stwu r8, 8(r6) |
bdnz 1b |
andi. r5, r5, 7 |
2: |
cmplwi 0, r5, 4 |
blt 3f |
lwzu r0, 4(r4) |
addi r5, r5, -4 |
stwu r0, 4(r6) |
3: |
cmpwi 0, r5, 0 |
beqlr |
mtctr r5 |
addi r4, r4, 3 |
addi r6, r6, 3 |
4: |
lbzu r0, 1(r4) |
stbu r0, 1(r6) |
bdnz 4b |
blr |
5: |
subfic r0, r0, 4 |
mtctr r0 |
6: |
lbz r7, 4(r4) |
addi r4, r4, 1 |
stb r7, 4(r6) |
addi r6, r6, 1 |
bdnz 6b |
subf r5, r0, r5 |
rlwinm. r7, r5, 32-3, 3, 31 |
beq 2b |
mtctr r7 |
b 1b |
memcpy_from_uspace_failover_address: |
memcpy_to_uspace_failover_address: |
# return zero, failure |
xor r3, r3, r3 |
blr |
/branches/arm/kernel/arch/ppc32/src/boot/boot.S |
---|
0,0 → 1,81 |
# |
# Copyright (c) 2005 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include <arch/asm/regname.h> |
#include <arch/boot/boot.h> |
.section K_TEXT_START, "ax" |
.global kernel_image_start |
kernel_image_start: |
# load temporal kernel stack |
lis sp, kernel_stack@ha |
addi sp, sp, kernel_stack@l |
# set kernel stack for interrupt handling |
mr r31, sp |
subis r31, r31, 0x8000 |
mtsprg0 r31 |
# r3 contains physical address of bootinfo_t |
# r4 contains size of bootinfo_t |
cmpwi r4, 0 |
beq bootinfo_end |
addis r3, r3, 0x8000 |
lis r31, bootinfo@ha |
addi r31, r31, bootinfo@l # r31 = bootinfo |
bootinfo_loop: |
lwz r30, 0(r3) |
stw r30, 0(r31) |
addi r3, r3, 4 |
addi r31, r31, 4 |
subi r4, r4, 4 |
cmpwi r4, 0 |
bgt bootinfo_loop |
bootinfo_end: |
bl arch_pre_main |
b main_bsp |
.section K_DATA_START, "aw", @progbits |
.align 12 |
kernel_stack_bottom: |
.space TEMP_STACK_SIZE |
kernel_stack: |
/branches/arm/kernel/arch/ppc32/src/exception.S |
---|
0,0 → 1,368 |
# |
# Copyright (c) 2006 Martin Decky |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include <arch/asm/regname.h> |
#include <arch/mm/page.h> |
.section K_UNMAPPED_TEXT_START, "ax" |
.macro CONTEXT_STORE |
# save R12 in SPRG1, backup CR in R12 |
# save SP in SPRG2 |
mtsprg1 r12 |
mfcr r12 |
mtsprg2 sp |
# check whether SP is in kernel |
andis. sp, sp, 0x8000 |
bne 1f |
# stack is in user-space |
mfsprg0 sp |
b 2f |
1: |
# stack is in kernel |
mfsprg2 sp |
subis sp, sp, 0x8000 |
2: |
subi sp, sp, 164 |
stw r0, 8(sp) |
stw r2, 12(sp) |
stw r3, 16(sp) |
stw r4, 20(sp) |
stw r5, 24(sp) |
stw r6, 28(sp) |
stw r7, 32(sp) |
stw r8, 36(sp) |
stw r9, 40(sp) |
stw r10, 44(sp) |
stw r11, 48(sp) |
stw r13, 52(sp) |
stw r14, 56(sp) |
stw r15, 60(sp) |
stw r16, 64(sp) |
stw r17, 68(sp) |
stw r18, 72(sp) |
stw r19, 76(sp) |
stw r20, 80(sp) |
stw r21, 84(sp) |
stw r22, 88(sp) |
stw r23, 92(sp) |
stw r24, 96(sp) |
stw r25, 100(sp) |
stw r26, 104(sp) |
stw r27, 108(sp) |
stw r28, 112(sp) |
stw r29, 116(sp) |
stw r30, 120(sp) |
stw r31, 124(sp) |
stw r12, 128(sp) |
mfsrr0 r12 |
stw r12, 132(sp) |
mfsrr1 r12 |
stw r12, 136(sp) |
mflr r12 |
stw r12, 140(sp) |
mfctr r12 |
stw r12, 144(sp) |
mfxer r12 |
stw r12, 148(sp) |
mfdar r12 |
stw r12, 152(sp) |
mfsprg1 r12 |
stw r12, 156(sp) |
mfsprg2 r12 |
stw r12, 160(sp) |
.endm |
.org 0x100 |
.global exc_system_reset |
exc_system_reset: |
CONTEXT_STORE |
li r3, 0 |
b jump_to_kernel |
.org 0x200 |
.global exc_machine_check |
exc_machine_check: |
CONTEXT_STORE |
li r3, 1 |
b jump_to_kernel |
.org 0x300 |
.global exc_data_storage |
exc_data_storage: |
CONTEXT_STORE |
b data_storage |
.org 0x400 |
.global exc_instruction_storage |
exc_instruction_storage: |
CONTEXT_STORE |
b instruction_storage |
.org 0x500 |
.global exc_external |
exc_external: |
CONTEXT_STORE |
li r3, 4 |
b jump_to_kernel |
.org 0x600 |
.global exc_alignment |
exc_alignment: |
CONTEXT_STORE |
li r3, 5 |
b jump_to_kernel |
.org 0x700 |
.global exc_program |
exc_program: |
CONTEXT_STORE |
li r3, 6 |
b jump_to_kernel |
.org 0x800 |
.global exc_fp_unavailable |
exc_fp_unavailable: |
CONTEXT_STORE |
li r3, 7 |
b jump_to_kernel |
.org 0x900 |
.global exc_decrementer |
exc_decrementer: |
CONTEXT_STORE |
li r3, 8 |
b jump_to_kernel |
.org 0xa00 |
.global exc_reserved0 |
exc_reserved0: |
CONTEXT_STORE |
li r3, 9 |
b jump_to_kernel |
.org 0xb00 |
.global exc_reserved1 |
exc_reserved1: |
CONTEXT_STORE |
li r3, 10 |
b jump_to_kernel |
.org 0xc00 |
.global exc_syscall |
exc_syscall: |
CONTEXT_STORE |
b jump_to_kernel_syscall |
.org 0xd00 |
.global exc_trace |
exc_trace: |
CONTEXT_STORE |
li r3, 12 |
b jump_to_kernel |
.org 0x1000 |
.global exc_itlb_miss |
exc_itlb_miss: |
CONTEXT_STORE |
b tlb_miss |
.org 0x1100 |
.global exc_dtlb_miss_load |
exc_dtlb_miss_load: |
CONTEXT_STORE |
b tlb_miss |
.org 0x1200 |
.global exc_dtlb_miss_store |
exc_dtlb_miss_store: |
CONTEXT_STORE |
b tlb_miss |
.org 0x4000 |
data_storage: |
li r3, 2 |
mr r4, sp |
addi r4, r4, 8 |
bl pht_refill_real |
cmpwi r3, 0 |
bne iret_real |
li r3, 2 |
b jump_to_kernel |
instruction_storage: |
li r3, 3 |
mr r4, sp |
addi r4, r4, 8 |
bl pht_refill_real |
cmpwi r3, 0 |
bne iret_real |
li r3, 3 |
b jump_to_kernel |
tlb_miss: |
li r3, 16 |
mfspr r4, tlbmiss |
mfspr r5, ptehi |
mfspr r6, ptelo |
mr r7, sp |
addi r7, r7, 20 |
bl tlb_refill_real |
b iret_real |
jump_to_kernel: |
lis r12, iret@ha |
addi r12, r12, iret@l |
mtlr r12 |
lis r12, exc_dispatch@ha |
addi r12, r12, exc_dispatch@l |
mtsrr0 r12 |
mfmsr r12 |
ori r12, r12, (msr_ir | msr_dr)@l |
mtsrr1 r12 |
addis sp, sp, 0x8000 |
mr r4, sp |
addi r4, r4, 8 |
rfi |
jump_to_kernel_syscall: |
lis r12, syscall_handler@ha |
addi r12, r12, syscall_handler@l |
mtsrr0 r12 |
lis r12, iret_syscall@ha |
addi r12, r12, iret_syscall@l |
mtlr r12 |
mfmsr r12 |
ori r12, r12, (msr_ir | msr_dr)@l |
mtsrr1 r12 |
addis sp, sp, 0x8000 |
rfi |
iret_real: |
lwz r0, 8(sp) |
lwz r2, 12(sp) |
lwz r3, 16(sp) |
lwz r4, 20(sp) |
lwz r5, 24(sp) |
lwz r6, 28(sp) |
lwz r7, 32(sp) |
lwz r8, 36(sp) |
lwz r9, 40(sp) |
lwz r10, 44(sp) |
lwz r11, 48(sp) |
lwz r13, 52(sp) |
lwz r14, 56(sp) |
lwz r15, 60(sp) |
lwz r16, 64(sp) |
lwz r17, 68(sp) |
lwz r18, 72(sp) |
lwz r19, 76(sp) |
lwz r20, 80(sp) |
lwz r21, 84(sp) |
lwz r22, 88(sp) |
lwz r23, 92(sp) |
lwz r24, 96(sp) |
lwz r25, 100(sp) |
lwz r26, 104(sp) |
lwz r27, 108(sp) |
lwz r28, 112(sp) |
lwz r29, 116(sp) |
lwz r30, 120(sp) |
lwz r31, 124(sp) |
lwz r12, 128(sp) |
mtcr r12 |
lwz r12, 132(sp) |
mtsrr0 r12 |
lwz r12, 136(sp) |
mtsrr1 r12 |
lwz r12, 140(sp) |
mtlr r12 |
lwz r12, 144(sp) |
mtctr r12 |
lwz r12, 148(sp) |
mtxer r12 |
lwz r12, 156(sp) |
lwz sp, 160(sp) |
rfi |
/branches/arm/kernel/arch/ppc32/src/context.S |
---|
0,0 → 1,60 |
# |
# Copyright (c) 2005 Martin Decky |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include <arch/context_offset.h> |
.text |
.global context_save_arch |
.global context_restore_arch |
context_save_arch: |
CONTEXT_SAVE_ARCH_CORE r3 |
mflr r4 |
stw r4, OFFSET_PC(r3) |
mfcr r4 |
stw r4, OFFSET_CR(r3) |
# context_save returns 1 |
li r3, 1 |
blr |
context_restore_arch: |
CONTEXT_RESTORE_ARCH_CORE r3 |
lwz r4, OFFSET_CR(r3) |
mtcr r4 |
lwz r4, OFFSET_PC(r3) |
mtlr r4 |
# context_restore returns 0 |
li r3, 0 |
blr |
/branches/arm/kernel/arch/ppc32/src/ddi/ddi.c |
---|
0,0 → 1,55 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32ddi |
* @{ |
*/ |
/** @file |
*/ |
#include <ddi/ddi.h> |
#include <proc/task.h> |
#include <arch/types.h> |
/** Enable I/O space range for task. |
* |
* Interrupts are disabled and task is locked. |
* |
* @param task Task. |
* @param ioaddr Startign I/O space address. |
* @param size Size of the enabled I/O range. |
* |
* @return 0 on success or an error code from errno.h. |
*/ |
int ddi_iospace_enable_arch(task_t *task, uintptr_t ioaddr, size_t size) |
{ |
return 0; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/src/cpu/cpu.c |
---|
0,0 → 1,79 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/cpu.h> |
#include <arch/cpuid.h> |
#include <cpu.h> |
#include <arch.h> |
#include <print.h> |
void cpu_arch_init(void) |
{ |
} |
void cpu_identify(void) |
{ |
cpu_info_t info; |
cpu_version(&info); |
CPU->arch.version = info.version; |
CPU->arch.revision = info.revision; |
} |
void cpu_print_report(cpu_t *m) |
{ |
char *name; |
switch (m->arch.version) { |
case 8: |
name = " (PowerPC 750)"; |
break; |
case 9: |
name = " (PowerPC 604e)"; |
break; |
case 0x81: |
name = " (PowerPC 8260)"; |
break; |
case 0x8081: |
name = " (PowerPC 826xA)"; |
break; |
default: |
name = ""; |
} |
printf("cpu%d: version=%d%s, revision=%d\n", m->id, m->arch.version, name, m->arch.revision); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/src/fpu_context.S |
---|
0,0 → 1,105 |
# |
# Copyright (c) 2006 Martin Decky |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include <arch/asm/regname.h> |
#include <arch/context_offset.h> |
.text |
.global fpu_context_save |
.global fpu_context_restore |
.global fpu_init |
.global fpu_enable |
.global fpu_disable |
.macro FPU_CONTEXT_STORE r |
stfd fr14, OFFSET_FR14(\r) |
stfd fr15, OFFSET_FR15(\r) |
stfd fr16, OFFSET_FR16(\r) |
stfd fr17, OFFSET_FR17(\r) |
stfd fr18, OFFSET_FR18(\r) |
stfd fr19, OFFSET_FR19(\r) |
stfd fr20, OFFSET_FR20(\r) |
stfd fr21, OFFSET_FR21(\r) |
stfd fr22, OFFSET_FR22(\r) |
stfd fr23, OFFSET_FR23(\r) |
stfd fr24, OFFSET_FR24(\r) |
stfd fr25, OFFSET_FR25(\r) |
stfd fr26, OFFSET_FR26(\r) |
stfd fr27, OFFSET_FR27(\r) |
stfd fr28, OFFSET_FR28(\r) |
stfd fr29, OFFSET_FR29(\r) |
stfd fr30, OFFSET_FR30(\r) |
stfd fr31, OFFSET_FR31(\r) |
.endm |
.macro FPU_CONTEXT_LOAD r |
lfd fr14, OFFSET_FR14(\r) |
lfd fr15, OFFSET_FR15(\r) |
lfd fr16, OFFSET_FR16(\r) |
lfd fr17, OFFSET_FR17(\r) |
lfd fr18, OFFSET_FR18(\r) |
lfd fr19, OFFSET_FR19(\r) |
lfd fr20, OFFSET_FR20(\r) |
lfd fr21, OFFSET_FR21(\r) |
lfd fr22, OFFSET_FR22(\r) |
lfd fr23, OFFSET_FR23(\r) |
lfd fr24, OFFSET_FR24(\r) |
lfd fr25, OFFSET_FR25(\r) |
lfd fr26, OFFSET_FR26(\r) |
lfd fr27, OFFSET_FR27(\r) |
lfd fr28, OFFSET_FR28(\r) |
lfd fr29, OFFSET_FR29(\r) |
lfd fr30, OFFSET_FR30(\r) |
lfd fr31, OFFSET_FR31(\r) |
.endm |
fpu_context_save: |
// FPU_CONTEXT_STORE r3 |
// |
// mffs fr0 |
// stfd fr0, OFFSET_FPSCR(r3) |
blr |
fpu_context_restore: |
// FPU_CONTEXT_LOAD r3 |
// |
// lfd fr0, OFFSET_FPSCR(r3) |
// mtfsf 7, fr0 |
blr |
fpu_init: |
blr |
fpu_enable: |
blr |
fpu_disable: |
blr |
/branches/arm/kernel/arch/ppc32/src/proc/scheduler.c |
---|
0,0 → 1,62 |
/* |
* Copyright (c) 2006 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32proc |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/mm/page.h> |
#include <arch/boot/boot.h> |
#include <proc/scheduler.h> |
#include <proc/thread.h> |
#include <arch.h> |
/** Perform ppc32 specific tasks needed before the new task is run. */ |
void before_task_runs_arch(void) |
{ |
} |
/** Perform ppc32 specific tasks needed before the new thread is scheduled. */ |
void before_thread_runs_arch(void) |
{ |
tlb_invalidate_all(); |
asm volatile ( |
"mtsprg0 %0\n" |
: |
: "r" (KA2PA(&THREAD->kstack[THREAD_STACK_SIZE - SP_DELTA])) |
); |
} |
void after_thread_ran_arch(void) |
{ |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/src/debug/panic.s |
---|
0,0 → 1,38 |
# |
# Copyright (c) 2005 Martin Decky |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include <arch/asm/macro.h> |
.text |
.global panic_printf |
panic_printf: |
lis %r14, halt@ha |
addi %r14, %r14, halt@l |
mtlr %r14 # fake stack to make printf return to halt |
b printf |
/branches/arm/kernel/arch/ppc32/include/types.h |
---|
0,0 → 1,98 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_TYPES_H_ |
#define KERN_ppc32_TYPES_H_ |
typedef signed char int8_t; |
typedef signed short int16_t; |
typedef signed int int32_t; |
typedef signed long long int64_t; |
typedef unsigned char uint8_t; |
typedef unsigned short uint16_t; |
typedef unsigned int uint32_t; |
typedef unsigned long long uint64_t; |
typedef uint32_t size_t; |
typedef uint32_t uintptr_t; |
typedef uint32_t pfn_t; |
typedef uint32_t ipl_t; |
typedef uint32_t unative_t; |
typedef int32_t native_t; |
typedef struct { |
} fncptr_t; |
/**< Formats for uintptr_t, size_t */ |
#define PRIp "x" |
#define PRIs "u" |
/**< Formats for (u)int8_t, (u)int16_t, (u)int32_t, (u)int64_t and (u)native_t */ |
#define PRId8 "d" |
#define PRId16 "d" |
#define PRId32 "d" |
#define PRId64 "lld" |
#define PRIdn "d" |
#define PRIu8 "u" |
#define PRIu16 "u" |
#define PRIu32 "u" |
#define PRIu64 "llu" |
#define PRIun "u" |
#define PRIx8 "x" |
#define PRIx16 "x" |
#define PRIx32 "x" |
#define PRIx64 "llx" |
#define PRIxn "x" |
/** Page Table Entry. */ |
typedef struct { |
unsigned present : 1; /**< Present bit. */ |
unsigned page_write_through : 1; /**< Write thought caching. */ |
unsigned page_cache_disable : 1; /**< No caching. */ |
unsigned accessed : 1; /**< Accessed bit. */ |
unsigned global : 1; /**< Global bit. */ |
unsigned valid : 1; /**< Valid content even if not present. */ |
unsigned pfn : 20; /**< Physical frame number. */ |
} pte_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/mm/page.h |
---|
0,0 → 1,165 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_PAGE_H_ |
#define KERN_ppc32_PAGE_H_ |
#include <arch/mm/frame.h> |
#define PAGE_WIDTH FRAME_WIDTH |
#define PAGE_SIZE FRAME_SIZE |
#ifdef KERNEL |
#ifndef __ASM__ |
# define KA2PA(x) (((uintptr_t) (x)) - 0x80000000) |
# define PA2KA(x) (((uintptr_t) (x)) + 0x80000000) |
#else |
# define KA2PA(x) ((x) - 0x80000000) |
# define PA2KA(x) ((x) + 0x80000000) |
#endif |
/* |
* Implementation of generic 4-level page table interface, |
* the hardware Page Hash Table is used as cache. |
* |
* Page table layout: |
* - 32-bit virtual addressess |
* - Offset is 12 bits => pages are 4K long |
* - PTL0 has 1024 entries (10 bits) |
* - PTL1 is not used |
* - PTL2 is not used |
* - PLT3 has 1024 entries (10 bits) |
*/ |
/* Number of entries in each level. */ |
#define PTL0_ENTRIES_ARCH 1024 |
#define PTL1_ENTRIES_ARCH 0 |
#define PTL2_ENTRIES_ARCH 0 |
#define PTL3_ENTRIES_ARCH 1024 |
/* Page table sizes for each level. */ |
#define PTL0_SIZE_ARCH ONE_FRAME |
#define PTL1_SIZE_ARCH 0 |
#define PTL2_SIZE_ARCH 0 |
#define PTL3_SIZE_ARCH ONE_FRAME |
/* Macros calculating indices into page tables on each level. */ |
#define PTL0_INDEX_ARCH(vaddr) (((vaddr) >> 22) & 0x3ff) |
#define PTL1_INDEX_ARCH(vaddr) 0 |
#define PTL2_INDEX_ARCH(vaddr) 0 |
#define PTL3_INDEX_ARCH(vaddr) (((vaddr) >> 12) & 0x3ff) |
/* Get PTE address accessors for each level. */ |
#define GET_PTL1_ADDRESS_ARCH(ptl0, i) \ |
(((pte_t *) (ptl0))[(i)].pfn << 12) |
#define GET_PTL2_ADDRESS_ARCH(ptl1, i) \ |
(ptl1) |
#define GET_PTL3_ADDRESS_ARCH(ptl2, i) \ |
(ptl2) |
#define GET_FRAME_ADDRESS_ARCH(ptl3, i) \ |
(((pte_t *) (ptl3))[(i)].pfn << 12) |
/* Set PTE address accessors for each level. */ |
#define SET_PTL0_ADDRESS_ARCH(ptl0) |
#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a) \ |
(((pte_t *) (ptl0))[(i)].pfn = (a) >> 12) |
#define SET_PTL2_ADDRESS_ARCH(ptl1, i, a) |
#define SET_PTL3_ADDRESS_ARCH(ptl2, i, a) |
#define SET_FRAME_ADDRESS_ARCH(ptl3, i, a) \ |
(((pte_t *) (ptl3))[(i)].pfn = (a) >> 12) |
/* Get PTE flags accessors for each level. */ |
#define GET_PTL1_FLAGS_ARCH(ptl0, i) \ |
get_pt_flags((pte_t *) (ptl0), (size_t) (i)) |
#define GET_PTL2_FLAGS_ARCH(ptl1, i) \ |
PAGE_PRESENT |
#define GET_PTL3_FLAGS_ARCH(ptl2, i) \ |
PAGE_PRESENT |
#define GET_FRAME_FLAGS_ARCH(ptl3, i) \ |
get_pt_flags((pte_t *) (ptl3), (size_t) (i)) |
/* Set PTE flags accessors for each level. */ |
#define SET_PTL1_FLAGS_ARCH(ptl0, i, x) \ |
set_pt_flags((pte_t *) (ptl0), (size_t) (i), (x)) |
#define SET_PTL2_FLAGS_ARCH(ptl1, i, x) |
#define SET_PTL3_FLAGS_ARCH(ptl2, i, x) |
#define SET_FRAME_FLAGS_ARCH(ptl3, i, x) \ |
set_pt_flags((pte_t *) (ptl3), (size_t) (i), (x)) |
/* Macros for querying the last-level PTEs. */ |
#define PTE_VALID_ARCH(pte) (*((uint32_t *) (pte)) != 0) |
#define PTE_PRESENT_ARCH(pte) ((pte)->present != 0) |
#define PTE_GET_FRAME_ARCH(pte) ((pte)->pfn << 12) |
#define PTE_WRITABLE_ARCH(pte) 1 |
#define PTE_EXECUTABLE_ARCH(pte) 1 |
#ifndef __ASM__ |
#include <mm/mm.h> |
#include <arch/interrupt.h> |
static inline int get_pt_flags(pte_t *pt, size_t i) |
{ |
pte_t *p = &pt[i]; |
return (((!p->page_cache_disable) << PAGE_CACHEABLE_SHIFT) | |
((!p->present) << PAGE_PRESENT_SHIFT) | |
(1 << PAGE_USER_SHIFT) | |
(1 << PAGE_READ_SHIFT) | |
(1 << PAGE_WRITE_SHIFT) | |
(1 << PAGE_EXEC_SHIFT) | |
(p->global << PAGE_GLOBAL_SHIFT)); |
} |
static inline void set_pt_flags(pte_t *pt, size_t i, int flags) |
{ |
pte_t *p = &pt[i]; |
p->page_cache_disable = !(flags & PAGE_CACHEABLE); |
p->present = !(flags & PAGE_NOT_PRESENT); |
p->global = (flags & PAGE_GLOBAL) != 0; |
p->valid = 1; |
} |
extern void page_arch_init(void); |
#endif /* __ASM__ */ |
#endif /* KERNEL */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/mm/frame.h |
---|
0,0 → 1,57 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_FRAME_H_ |
#define KERN_ppc32_FRAME_H_ |
#define FRAME_WIDTH 12 /* 4K */ |
#define FRAME_SIZE (1 << FRAME_WIDTH) |
#ifdef KERNEL |
#ifndef __ASM__ |
#include <arch/types.h> |
extern uintptr_t last_frame; |
extern void frame_arch_init(void); |
extern void physmem_print(void); |
#endif /* __ASM__ */ |
#endif /* KERNEL */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/mm/tlb.h |
---|
0,0 → 1,86 |
/* |
* Copyright (c) 2006 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_TLB_H_ |
#define KERN_ppc32_TLB_H_ |
#include <arch/interrupt.h> |
#include <arch/types.h> |
#include <typedefs.h> |
#define WIMG_GUARDED 0x01 |
#define WIMG_COHERENT 0x02 |
#define WIMG_NO_CACHE 0x04 |
#define WIMG_WRITETHRU 0x08 |
typedef struct { |
unsigned v : 1; /**< Valid */ |
unsigned vsid : 24; /**< Virtual Segment ID */ |
unsigned h : 1; /**< Primary/secondary hash */ |
unsigned api : 6; /**< Abbreviated Page Index */ |
unsigned rpn : 20; /**< Real Page Number */ |
unsigned reserved0 : 3; |
unsigned r : 1; /**< Reference */ |
unsigned c : 1; /**< Change */ |
unsigned wimg : 4; /**< Access control */ |
unsigned reserved1 : 1; |
unsigned pp : 2; /**< Page protection */ |
} phte_t; |
typedef struct { |
unsigned v : 1; |
unsigned vsid : 24; |
unsigned reserved0 : 1; |
unsigned api : 6; |
} ptehi_t; |
typedef struct { |
unsigned rpn : 20; |
unsigned xpn : 3; |
unsigned reserved0 : 1; |
unsigned c : 1; |
unsigned wimg : 4; |
unsigned x : 1; |
unsigned pp : 2; |
} ptelo_t; |
extern void pht_init(void); |
extern void pht_refill(int n, istate_t *istate); |
extern bool pht_refill_real(int n, istate_t *istate) __attribute__ ((section("K_UNMAPPED_TEXT_START"))); |
extern void tlb_refill_real(int n, uint32_t tlbmiss, ptehi_t ptehi, ptelo_t ptelo, istate_t *istate) __attribute__ ((section("K_UNMAPPED_TEXT_START"))); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/mm/as.h |
---|
0,0 → 1,63 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_AS_H_ |
#define KERN_ppc32_AS_H_ |
#define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 0 |
#define KERNEL_ADDRESS_SPACE_START_ARCH ((unsigned long) 0x80000000) |
#define KERNEL_ADDRESS_SPACE_END_ARCH ((unsigned long) 0xffffffff) |
#define USER_ADDRESS_SPACE_START_ARCH ((unsigned long) 0x00000000) |
#define USER_ADDRESS_SPACE_END_ARCH ((unsigned long) 0x7fffffff) |
#define USTACK_ADDRESS_ARCH (0x7fffffff - (PAGE_SIZE - 1)) |
typedef struct { |
} as_arch_t; |
#include <genarch/mm/as_pt.h> |
#define as_constructor_arch(as, flags) (as != as) |
#define as_destructor_arch(as) (as != as) |
#define as_create_arch(as, flags) (as != as) |
#define as_deinstall_arch(as) |
#define as_invalidate_translation_cache(as, page, cnt) |
extern void as_arch_init(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/mm/asid.h |
---|
0,0 → 1,47 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_ASID_H_ |
#define KERN_ppc32_ASID_H_ |
#include <arch/types.h> |
#define ASID_MAX_ARCH 4096 |
typedef uint32_t asid_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/drivers/pic.h |
---|
0,0 → 1,57 |
/* |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_PIC_H_ |
#define KERN_ppc32_PIC_H_ |
#include <arch/types.h> |
#include <ddi/irq.h> |
#define PIC_PENDING_LOW 8 |
#define PIC_PENDING_HIGH 4 |
#define PIC_MASK_LOW 9 |
#define PIC_MASK_HIGH 5 |
#define PIC_ACK_LOW 10 |
#define PIC_ACK_HIGH 6 |
extern void pic_init(uintptr_t base, size_t size, cir_t *cir, void **cir_arg); |
extern void pic_enable_interrupt(inr_t intnum); |
extern void pic_disable_interrupt(inr_t intnum); |
extern void pic_ack_interrupt(void *arg, inr_t intnum); |
extern int pic_get_pending(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/boot/boot.h |
---|
0,0 → 1,101 |
/* |
* Copyright (c) 2006 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_BOOT_H_ |
#define KERN_ppc32_BOOT_H_ |
#define BOOT_OFFSET 0x8000 |
/* Temporary stack size for boot process */ |
#define TEMP_STACK_SIZE 0x1000 |
#define TASKMAP_MAX_RECORDS 32 |
#define MEMMAP_MAX_RECORDS 32 |
#ifndef __ASM__ |
#define BOOTINFO_TASK_NAME_BUFLEN 32 |
#include <arch/types.h> |
typedef struct { |
uintptr_t addr; |
uint32_t size; |
char name[BOOTINFO_TASK_NAME_BUFLEN]; |
} utask_t; |
typedef struct { |
uint32_t count; |
utask_t tasks[TASKMAP_MAX_RECORDS]; |
} taskmap_t; |
typedef struct { |
uintptr_t start; |
uint32_t size; |
} memzone_t; |
typedef struct { |
uint32_t total; |
uint32_t count; |
memzone_t zones[MEMMAP_MAX_RECORDS]; |
} memmap_t; |
typedef struct { |
uintptr_t addr; |
unsigned int width; |
unsigned int height; |
unsigned int bpp; |
unsigned int scanline; |
} screen_t; |
typedef struct { |
uintptr_t addr; |
unsigned int size; |
} macio_t; |
typedef struct { |
memmap_t memmap; |
taskmap_t taskmap; |
screen_t screen; |
macio_t macio; |
} bootinfo_t; |
extern bootinfo_t bootinfo; |
#endif |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/asm.h |
---|
0,0 → 1,186 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_ASM_H_ |
#define KERN_ppc32_ASM_H_ |
#include <arch/types.h> |
#include <typedefs.h> |
#include <config.h> |
/** Enable interrupts. |
* |
* Enable interrupts and return previous |
* value of EE. |
* |
* @return Old interrupt priority level. |
*/ |
static inline ipl_t interrupts_enable(void) |
{ |
ipl_t v; |
ipl_t tmp; |
asm volatile ( |
"mfmsr %0\n" |
"mfmsr %1\n" |
"ori %1, %1, 1 << 15\n" |
"mtmsr %1\n" |
: "=r" (v), "=r" (tmp) |
); |
return v; |
} |
/** Disable interrupts. |
* |
* Disable interrupts and return previous |
* value of EE. |
* |
* @return Old interrupt priority level. |
*/ |
static inline ipl_t interrupts_disable(void) |
{ |
ipl_t v; |
ipl_t tmp; |
asm volatile ( |
"mfmsr %0\n" |
"mfmsr %1\n" |
"rlwinm %1, %1, 0, 17, 15\n" |
"mtmsr %1\n" |
: "=r" (v), "=r" (tmp) |
); |
return v; |
} |
/** Restore interrupt priority level. |
* |
* Restore EE. |
* |
* @param ipl Saved interrupt priority level. |
*/ |
static inline void interrupts_restore(ipl_t ipl) |
{ |
ipl_t tmp; |
asm volatile ( |
"mfmsr %1\n" |
"rlwimi %0, %1, 0, 17, 15\n" |
"cmpw 0, %0, %1\n" |
"beq 0f\n" |
"mtmsr %0\n" |
"0:\n" |
: "=r" (ipl), "=r" (tmp) |
: "0" (ipl) |
: "cr0" |
); |
} |
/** Return interrupt priority level. |
* |
* Return EE. |
* |
* @return Current interrupt priority level. |
*/ |
static inline ipl_t interrupts_read(void) |
{ |
ipl_t v; |
asm volatile ( |
"mfmsr %0\n" |
: "=r" (v) |
); |
return v; |
} |
/** Return base address of current stack. |
* |
* Return the base address of the current stack. |
* The stack is assumed to be STACK_SIZE bytes long. |
* The stack must start on page boundary. |
*/ |
static inline uintptr_t get_stack_base(void) |
{ |
uintptr_t v; |
asm volatile ( |
"and %0, %%sp, %1\n" |
: "=r" (v) |
: "r" (~(STACK_SIZE - 1)) |
); |
return v; |
} |
static inline void cpu_sleep(void) |
{ |
} |
void cpu_halt(void); |
void asm_delay_loop(uint32_t t); |
extern void userspace_asm(uintptr_t uspace_uarg, uintptr_t stack, uintptr_t entry); |
static inline void pio_write_8(ioport8_t *port, uint8_t v) |
{ |
*port = v; |
} |
static inline void pio_write_16(ioport16_t *port, uint16_t v) |
{ |
*port = v; |
} |
static inline void pio_write_32(ioport32_t *port, uint32_t v) |
{ |
*port = v; |
} |
static inline uint8_t pio_read_8(ioport8_t *port) |
{ |
return *port; |
} |
static inline uint16_t pio_read_16(ioport16_t *port) |
{ |
return *port; |
} |
static inline uint32_t pio_read_32(ioport32_t *port) |
{ |
return *port; |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/arch.h |
---|
0,0 → 1,43 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_ARCH_H_ |
#define KERN_ppc32_ARCH_H_ |
extern void arch_pre_main(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/asm/regname.h |
---|
0,0 → 1,235 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_REGNAME_H_ |
#define KERN_ppc32_REGNAME_H_ |
/* Condition Register Bit Fields */ |
#define cr0 0 |
#define cr1 1 |
#define cr2 2 |
#define cr3 3 |
#define cr4 4 |
#define cr5 5 |
#define cr6 6 |
#define cr7 7 |
/* General Purpose Registers (GPRs) */ |
#define r0 0 |
#define r1 1 |
#define r2 2 |
#define r3 3 |
#define r4 4 |
#define r5 5 |
#define r6 6 |
#define r7 7 |
#define r8 8 |
#define r9 9 |
#define r10 10 |
#define r11 11 |
#define r12 12 |
#define r13 13 |
#define r14 14 |
#define r15 15 |
#define r16 16 |
#define r17 17 |
#define r18 18 |
#define r19 19 |
#define r20 20 |
#define r21 21 |
#define r22 22 |
#define r23 23 |
#define r24 24 |
#define r25 25 |
#define r26 26 |
#define r27 27 |
#define r28 28 |
#define r29 29 |
#define r30 30 |
#define r31 31 |
/* GPR Aliases */ |
#define sp 1 |
/* Floating Point Registers (FPRs) */ |
#define fr0 0 |
#define fr1 1 |
#define fr2 2 |
#define fr3 3 |
#define fr4 4 |
#define fr5 5 |
#define fr6 6 |
#define fr7 7 |
#define fr8 8 |
#define fr9 9 |
#define fr10 10 |
#define fr11 11 |
#define fr12 12 |
#define fr13 13 |
#define fr14 14 |
#define fr15 15 |
#define fr16 16 |
#define fr17 17 |
#define fr18 18 |
#define fr19 19 |
#define fr20 20 |
#define fr21 21 |
#define fr22 22 |
#define fr23 23 |
#define fr24 24 |
#define fr25 25 |
#define fr26 26 |
#define fr27 27 |
#define fr28 28 |
#define fr29 29 |
#define fr30 30 |
#define fr31 31 |
#define vr0 0 |
#define vr1 1 |
#define vr2 2 |
#define vr3 3 |
#define vr4 4 |
#define vr5 5 |
#define vr6 6 |
#define vr7 7 |
#define vr8 8 |
#define vr9 9 |
#define vr10 10 |
#define vr11 11 |
#define vr12 12 |
#define vr13 13 |
#define vr14 14 |
#define vr15 15 |
#define vr16 16 |
#define vr17 17 |
#define vr18 18 |
#define vr19 19 |
#define vr20 20 |
#define vr21 21 |
#define vr22 22 |
#define vr23 23 |
#define vr24 24 |
#define vr25 25 |
#define vr26 26 |
#define vr27 27 |
#define vr28 28 |
#define vr29 29 |
#define vr30 30 |
#define vr31 31 |
#define evr0 0 |
#define evr1 1 |
#define evr2 2 |
#define evr3 3 |
#define evr4 4 |
#define evr5 5 |
#define evr6 6 |
#define evr7 7 |
#define evr8 8 |
#define evr9 9 |
#define evr10 10 |
#define evr11 11 |
#define evr12 12 |
#define evr13 13 |
#define evr14 14 |
#define evr15 15 |
#define evr16 16 |
#define evr17 17 |
#define evr18 18 |
#define evr19 19 |
#define evr20 20 |
#define evr21 21 |
#define evr22 22 |
#define evr23 23 |
#define evr24 24 |
#define evr25 25 |
#define evr26 26 |
#define evr27 27 |
#define evr28 28 |
#define evr29 29 |
#define evr30 30 |
#define evr31 31 |
/* Special Purpose Registers (SPRs) */ |
#define xer 1 |
#define lr 8 |
#define ctr 9 |
#define dec 22 |
#define sdr1 25 |
#define srr0 26 |
#define srr1 27 |
#define sprg0 272 |
#define sprg1 273 |
#define sprg2 274 |
#define sprg3 275 |
#define prv 287 |
#define ibat0u 528 |
#define ibat0l 529 |
#define ibat1u 530 |
#define ibat1l 531 |
#define ibat2u 532 |
#define ibat2l 533 |
#define ibat3u 534 |
#define ibat3l 535 |
#define dbat0u 536 |
#define dbat0l 537 |
#define dbat1u 538 |
#define dbat1l 539 |
#define dbat2u 540 |
#define dbat2l 541 |
#define dbat3u 542 |
#define dbat3l 543 |
#define tlbmiss 980 |
#define ptehi 981 |
#define ptelo 982 |
#define hid0 1008 |
/* MSR bits */ |
#define msr_dr (1 << 4) |
#define msr_ir (1 << 5) |
#define msr_pr (1 << 14) |
#define msr_ee (1 << 15) |
/* HID0 bits */ |
#define hid0_sten (1 << 24) |
#define hid0_ice (1 << 15) |
#define hid0_dce (1 << 14) |
#define hid0_icfi (1 << 11) |
#define hid0_dci (1 << 10) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/barrier.h |
---|
0,0 → 1,89 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_BARRIER_H_ |
#define KERN_ppc32_BARRIER_H_ |
#define CS_ENTER_BARRIER() asm volatile ("" ::: "memory") |
#define CS_LEAVE_BARRIER() asm volatile ("" ::: "memory") |
#define memory_barrier() asm volatile ("sync" ::: "memory") |
#define read_barrier() asm volatile ("sync" ::: "memory") |
#define write_barrier() asm volatile ("eieio" ::: "memory") |
/* |
* The IMB sequence used here is valid for all possible cache models |
* on uniprocessor. SMP might require a different sequence. |
* See PowerPC Programming Environment for 32-Bit Microprocessors, |
* chapter 5.1.5.2 |
*/ |
static inline void smc_coherence(void *addr) |
{ |
asm volatile ( |
"dcbst 0, %0\n" |
"sync\n" |
"icbi 0, %0\n" |
"sync\n" |
"isync\n" |
:: "r" (addr) |
); |
} |
#define COHERENCE_INVAL_MIN 4 |
static inline void smc_coherence_block(void *addr, unsigned long len) |
{ |
unsigned long i; |
for (i = 0; i < len; i += COHERENCE_INVAL_MIN) { |
asm volatile ("dcbst 0, %0\n" :: "r" (addr + i)); |
} |
asm volatile ("sync"); |
for (i = 0; i < len; i += COHERENCE_INVAL_MIN) { |
asm volatile ("icbi 0, %0\n" :: "r" (addr + i)); |
} |
asm volatile ( |
"sync\n" |
"isync\n" |
); |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/exception.h |
---|
0,0 → 1,103 |
/* |
* Copyright (c) 2006 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_EXCEPTION_H_ |
#define KERN_ppc32_EXCEPTION_H_ |
#include <arch/types.h> |
#include <arch/regutils.h> |
typedef struct { |
uint32_t r0; |
uint32_t r2; |
uint32_t r3; |
uint32_t r4; |
uint32_t r5; |
uint32_t r6; |
uint32_t r7; |
uint32_t r8; |
uint32_t r9; |
uint32_t r10; |
uint32_t r11; |
uint32_t r13; |
uint32_t r14; |
uint32_t r15; |
uint32_t r16; |
uint32_t r17; |
uint32_t r18; |
uint32_t r19; |
uint32_t r20; |
uint32_t r21; |
uint32_t r22; |
uint32_t r23; |
uint32_t r24; |
uint32_t r25; |
uint32_t r26; |
uint32_t r27; |
uint32_t r28; |
uint32_t r29; |
uint32_t r30; |
uint32_t r31; |
uint32_t cr; |
uint32_t pc; |
uint32_t srr1; |
uint32_t lr; |
uint32_t ctr; |
uint32_t xer; |
uint32_t dar; |
uint32_t r12; |
uint32_t sp; |
} istate_t; |
static inline void istate_set_retaddr(istate_t *istate, uintptr_t retaddr) |
{ |
istate->pc = retaddr; |
} |
/** Return true if exception happened while in userspace */ |
static inline int istate_from_uspace(istate_t *istate) |
{ |
/* true if privilege level PR (copied from MSR) == 1 */ |
return (istate->srr1 & MSR_PR) != 0; |
} |
static inline unative_t istate_get_pc(istate_t *istate) |
{ |
return istate->pc; |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/regutils.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2008 Jiri Svoboda |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** |
* @file |
* @brief Utilities for convenient manipulation with ppc32 registers. |
*/ |
#ifndef KERN_ppc32_REGUTILS_H_ |
#define KERN_ppc32_REGUTILS_H_ |
#define MSR_PR (1 << 14) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/memstr.h |
---|
0,0 → 1,48 |
/* |
* Copyright (c) 2005 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_MEMSTR_H_ |
#define KERN_ppc32_MEMSTR_H_ |
#define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt)) |
extern void memsetw(void *dst, size_t cnt, uint16_t x); |
extern void memsetb(void *dst, size_t cnt, uint8_t x); |
extern int memcmp(const void *a, const void *b, size_t cnt); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/context_offset.h |
---|
0,0 → 1,131 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef KERN_ppc32_CONTEXT_OFFSET_H_ |
#define KERN_ppc32_CONTEXT_OFFSET_H_ |
#define OFFSET_SP 0x0 |
#define OFFSET_PC 0x4 |
#define OFFSET_R2 0x8 |
#define OFFSET_R13 0xc |
#define OFFSET_R14 0x10 |
#define OFFSET_R15 0x14 |
#define OFFSET_R16 0x18 |
#define OFFSET_R17 0x1c |
#define OFFSET_R18 0x20 |
#define OFFSET_R19 0x24 |
#define OFFSET_R20 0x28 |
#define OFFSET_R21 0x2c |
#define OFFSET_R22 0x30 |
#define OFFSET_R23 0x34 |
#define OFFSET_R24 0x38 |
#define OFFSET_R25 0x3c |
#define OFFSET_R26 0x40 |
#define OFFSET_R27 0x44 |
#define OFFSET_R28 0x48 |
#define OFFSET_R29 0x4c |
#define OFFSET_R30 0x50 |
#define OFFSET_R31 0x54 |
#define OFFSET_CR 0x58 |
#define OFFSET_FR14 0x0 |
#define OFFSET_FR15 0x8 |
#define OFFSET_FR16 0x10 |
#define OFFSET_FR17 0x18 |
#define OFFSET_FR18 0x20 |
#define OFFSET_FR19 0x28 |
#define OFFSET_FR20 0x30 |
#define OFFSET_FR21 0x38 |
#define OFFSET_FR22 0x40 |
#define OFFSET_FR23 0x48 |
#define OFFSET_FR24 0x50 |
#define OFFSET_FR25 0x58 |
#define OFFSET_FR26 0x60 |
#define OFFSET_FR27 0x68 |
#define OFFSET_FR28 0x70 |
#define OFFSET_FR29 0x78 |
#define OFFSET_FR30 0x80 |
#define OFFSET_FR31 0x88 |
#define OFFSET_FPSCR 0x90 |
#ifdef __ASM__ |
# include <arch/asm/regname.h> |
# ctx: address of the structure with saved context |
.macro CONTEXT_SAVE_ARCH_CORE ctx:req |
stw sp, OFFSET_SP(\ctx) |
stw r2, OFFSET_R2(\ctx) |
stw r13, OFFSET_R13(\ctx) |
stw r14, OFFSET_R14(\ctx) |
stw r15, OFFSET_R15(\ctx) |
stw r16, OFFSET_R16(\ctx) |
stw r17, OFFSET_R17(\ctx) |
stw r18, OFFSET_R18(\ctx) |
stw r19, OFFSET_R19(\ctx) |
stw r20, OFFSET_R20(\ctx) |
stw r21, OFFSET_R21(\ctx) |
stw r22, OFFSET_R22(\ctx) |
stw r23, OFFSET_R23(\ctx) |
stw r24, OFFSET_R24(\ctx) |
stw r25, OFFSET_R25(\ctx) |
stw r26, OFFSET_R26(\ctx) |
stw r27, OFFSET_R27(\ctx) |
stw r28, OFFSET_R28(\ctx) |
stw r29, OFFSET_R29(\ctx) |
stw r30, OFFSET_R30(\ctx) |
stw r31, OFFSET_R31(\ctx) |
.endm |
# ctx: address of the structure with saved context |
.macro CONTEXT_RESTORE_ARCH_CORE ctx:req |
lwz sp, OFFSET_SP(\ctx) |
lwz r2, OFFSET_R2(\ctx) |
lwz r13, OFFSET_R13(\ctx) |
lwz r14, OFFSET_R14(\ctx) |
lwz r15, OFFSET_R15(\ctx) |
lwz r16, OFFSET_R16(\ctx) |
lwz r17, OFFSET_R17(\ctx) |
lwz r18, OFFSET_R18(\ctx) |
lwz r19, OFFSET_R19(\ctx) |
lwz r20, OFFSET_R20(\ctx) |
lwz r21, OFFSET_R21(\ctx) |
lwz r22, OFFSET_R22(\ctx) |
lwz r23, OFFSET_R23(\ctx) |
lwz r24, OFFSET_R24(\ctx) |
lwz r25, OFFSET_R25(\ctx) |
lwz r26, OFFSET_R26(\ctx) |
lwz r27, OFFSET_R27(\ctx) |
lwz r28, OFFSET_R28(\ctx) |
lwz r29, OFFSET_R29(\ctx) |
lwz r30, OFFSET_R30(\ctx) |
lwz r31, OFFSET_R31(\ctx) |
.endm |
#endif /* __ASM__ */ |
#endif |
/branches/arm/kernel/arch/ppc32/include/cpu.h |
---|
0,0 → 1,48 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_CPU_H_ |
#define KERN_ppc32_CPU_H_ |
#include <arch/asm.h> |
typedef struct { |
int version; |
int revision; |
} cpu_arch_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/fpu_context.h |
---|
0,0 → 1,67 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_FPU_CONTEXT_H_ |
#define KERN_ppc32_FPU_CONTEXT_H_ |
#ifndef KERN_ppc32_TYPES_H_ |
# include <arch/types.h> |
#endif |
typedef struct { |
uint64_t fr14; |
uint64_t fr15; |
uint64_t fr16; |
uint64_t fr17; |
uint64_t fr18; |
uint64_t fr19; |
uint64_t fr20; |
uint64_t fr21; |
uint64_t fr22; |
uint64_t fr23; |
uint64_t fr24; |
uint64_t fr25; |
uint64_t fr26; |
uint64_t fr27; |
uint64_t fr28; |
uint64_t fr29; |
uint64_t fr30; |
uint64_t fr31; |
uint32_t fpscr; |
} __attribute__ ((packed)) fpu_context_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/context.h |
---|
0,0 → 1,75 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_CONTEXT_H_ |
#define KERN_ppc32_CONTEXT_H_ |
#include <arch/types.h> |
#define SP_DELTA 16 |
typedef struct { |
uintptr_t sp; |
uintptr_t pc; |
uint32_t r2; |
uint32_t r13; |
uint32_t r14; |
uint32_t r15; |
uint32_t r16; |
uint32_t r17; |
uint32_t r18; |
uint32_t r19; |
uint32_t r20; |
uint32_t r21; |
uint32_t r22; |
uint32_t r23; |
uint32_t r24; |
uint32_t r25; |
uint32_t r26; |
uint32_t r27; |
uint32_t r28; |
uint32_t r29; |
uint32_t r30; |
uint32_t r31; |
uint32_t cr; |
ipl_t ipl; |
} __attribute__ ((packed)) context_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/cpuid.h |
---|
0,0 → 1,56 |
/* |
* Copyright (c) 2006 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_CPUID_H_ |
#define KERN_ppc32_CPUID_H_ |
#include <arch/types.h> |
typedef struct { |
uint16_t version; |
uint16_t revision; |
} __attribute__ ((packed)) cpu_info_t; |
static inline void cpu_version(cpu_info_t *info) |
{ |
asm volatile ( |
"mfpvr %0\n" |
: "=r" (*info) |
); |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/interrupt.h |
---|
0,0 → 1,55 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32interrupt |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_INTERRUPT_H_ |
#define KERN_ppc32_INTERRUPT_H_ |
#include <arch/exception.h> |
#define IVT_ITEMS 16 |
#define IVT_FIRST 0 |
#define VECTOR_DATA_STORAGE 2 |
#define VECTOR_INSTRUCTION_STORAGE 3 |
#define VECTOR_EXTERNAL 4 |
#define VECTOR_DECREMENTER 8 |
extern void start_decrementer(void); |
extern void interrupt_init(void); |
extern void extint_handler(int n, istate_t *istate); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/cycle.h |
---|
0,0 → 1,62 |
/* |
* Copyright (c) 2006 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_CYCLE_H_ |
#define KERN_ppc32_CYCLE_H_ |
static inline uint64_t get_cycle(void) |
{ |
uint32_t lower; |
uint32_t upper; |
uint32_t upper2; |
asm volatile ( |
"1: mftbu %0\n" |
"mftb %1\n" |
"mftbu %2\n" |
"cmpw %0, %2\n" |
"bne- 1b\n" |
: "=r" (upper), |
"=r" (lower), |
"=r" (upper2) |
:: "cr0" |
); |
return ((uint64_t) upper << 32) + (uint64_t) lower; |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/elf.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2006 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_ELF_H_ |
#define KERN_ppc32_ELF_H_ |
#define ELF_MACHINE EM_PPC |
#define ELF_DATA_ENCODING ELFDATA2MSB |
#define ELF_CLASS ELFCLASS32 |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/arg.h |
---|
0,0 → 1,43 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_ARG_H_ |
#define KERN_ppc32_ARG_H_ |
#include <stdarg.h> |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/atomic.h |
---|
0,0 → 1,97 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_ATOMIC_H_ |
#define KERN_ppc32_ATOMIC_H_ |
static inline void atomic_inc(atomic_t *val) |
{ |
long tmp; |
asm volatile ( |
"1:\n" |
"lwarx %0, 0, %2\n" |
"addic %0, %0, 1\n" |
"stwcx. %0, 0, %2\n" |
"bne- 1b" |
: "=&r" (tmp), "=m" (val->count) |
: "r" (&val->count), "m" (val->count) |
: "cc" |
); |
} |
static inline void atomic_dec(atomic_t *val) |
{ |
long tmp; |
asm volatile ( |
"1:\n" |
"lwarx %0, 0, %2\n" |
"addic %0, %0, -1\n" |
"stwcx. %0, 0, %2\n" |
"bne- 1b" |
: "=&r" (tmp), "=m" (val->count) |
: "r" (&val->count), "m" (val->count) |
: "cc" |
); |
} |
static inline long atomic_postinc(atomic_t *val) |
{ |
atomic_inc(val); |
return val->count - 1; |
} |
static inline long atomic_postdec(atomic_t *val) |
{ |
atomic_dec(val); |
return val->count + 1; |
} |
static inline long atomic_preinc(atomic_t *val) |
{ |
atomic_inc(val); |
return val->count; |
} |
static inline long atomic_predec(atomic_t *val) |
{ |
atomic_dec(val); |
return val->count; |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/proc/task.h |
---|
0,0 → 1,47 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32proc |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_TASK_H_ |
#define KERN_ppc32_TASK_H_ |
typedef struct { |
} task_arch_t; |
#define task_create_arch(t) |
#define task_destroy_arch(t) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/proc/thread.h |
---|
0,0 → 1,48 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32proc |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_THREAD_H_ |
#define KERN_ppc32_THREAD_H_ |
typedef struct { |
} thread_arch_t; |
#define thr_constructor_arch(t) |
#define thr_destructor_arch(t) |
#define thread_create_arch(t) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/faddr.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_FADDR_H_ |
#define KERN_ppc32_FADDR_H_ |
#include <arch/types.h> |
#define FADDR(fptr) ((uintptr_t) (fptr)) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/include/debug.h |
---|
0,0 → 1,41 |
/* |
* Copyright (c) 2005 |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32debug |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ppc32_DEBUG_H_ |
#define KERN_ppc32_DEBUG_H_ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ppc32/Makefile.inc |
---|
0,0 → 1,62 |
# |
# Copyright (c) 2005 Martin Decky |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
## Toolchain configuration |
# |
BFD_NAME = elf32-powerpc |
BFD_ARCH = powerpc:common |
BFD = binary |
TARGET = ppc-linux-gnu |
TOOLCHAIN_DIR = $(CROSS_PREFIX)/ppc |
GCC_CFLAGS += -mcpu=powerpc -msoft-float -m32 |
AFLAGS += -a32 |
LFLAGS += -no-check-sections -N |
BITS = 32 |
ENDIANESS = BE |
ARCH_SOURCES = \ |
arch/$(KARCH)/src/context.S \ |
arch/$(KARCH)/src/debug/panic.s \ |
arch/$(KARCH)/src/fpu_context.S \ |
arch/$(KARCH)/src/boot/boot.S \ |
arch/$(KARCH)/src/ppc32.c \ |
arch/$(KARCH)/src/dummy.s \ |
arch/$(KARCH)/src/exception.S \ |
arch/$(KARCH)/src/interrupt.c \ |
arch/$(KARCH)/src/asm.S \ |
arch/$(KARCH)/src/cpu/cpu.c \ |
arch/$(KARCH)/src/proc/scheduler.c \ |
arch/$(KARCH)/src/ddi/ddi.c \ |
arch/$(KARCH)/src/mm/as.c \ |
arch/$(KARCH)/src/mm/frame.c \ |
arch/$(KARCH)/src/mm/page.c \ |
arch/$(KARCH)/src/mm/tlb.c \ |
arch/$(KARCH)/src/drivers/pic.c |
/branches/arm/kernel/arch/ppc32/_link.ld.in |
---|
0,0 → 1,58 |
/** PPC32 linker script |
* |
* umapped section: |
* kernel text |
* kernel data |
* mapped section: |
* kernel text |
* kernel data |
* |
*/ |
#include <arch/boot/boot.h> |
#include <arch/mm/page.h> |
ENTRY(kernel_image_start) |
OUTPUT_FORMAT("elf32-powerpc") |
OUTPUT_ARCH("powerpc:common") |
SECTIONS { |
.unmapped 0: AT (0) { |
unmapped_ktext_start = .; |
*(K_UNMAPPED_TEXT_START); |
unmapped_ktext_end = .; |
unmapped_kdata_start = .; |
*(K_UNMAPPED_DATA_START); |
unmapped_kdata_start = .; |
} |
.mapped PA2KA(BOOT_OFFSET): AT (BOOT_OFFSET) { |
ktext_start = .; |
*(K_TEXT_START); |
*(.text); |
ktext_end = .; |
kdata_start = .; |
*(K_DATA_START); |
*(.rodata); |
*(.rodata.*); |
*(.data); /* initialized data */ |
*(.sdata); |
*(.sdata2); |
*(.sbss); |
hardcoded_ktext_size = .; |
LONG(ktext_end - ktext_start); |
hardcoded_kdata_size = .; |
LONG(kdata_end - kdata_start); |
hardcoded_load_address = .; |
LONG(PA2KA(BOOT_OFFSET)); |
*(.bss); /* uninitialized static variables */ |
*(COMMON); /* global variables */ |
symbol_table = .; |
*(symtab.*); /* Symbol table, must be LAST symbol!*/ |
kdata_end = .; |
} |
} |
/branches/arm/kernel/arch/arm32/include/types.h |
---|
0,0 → 1,101 |
/* |
* Copyright (c) 2007 Pavel Jancik, Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
* @brief Type definitions. |
*/ |
#ifndef KERN_arm32_TYPES_H_ |
#define KERN_arm32_TYPES_H_ |
#ifndef DOXYGEN |
# define ATTRIBUTE_PACKED __attribute__ ((packed)) |
#else |
# define ATTRIBUTE_PACKED |
#endif |
typedef signed char int8_t; |
typedef signed short int16_t; |
typedef signed long int32_t; |
typedef signed long long int64_t; |
typedef unsigned char uint8_t; |
typedef unsigned short uint16_t; |
typedef unsigned long uint32_t; |
typedef unsigned long long uint64_t; |
typedef uint32_t size_t; |
typedef uint32_t uintptr_t; |
typedef uint32_t pfn_t; |
typedef uint32_t ipl_t; |
typedef uint32_t unative_t; |
typedef int32_t native_t; |
typedef struct { |
} fncptr_t; |
#define PRIp "x" /**< Format for uintptr_t. */ |
#define PRIs "u" /**< Format for size_t. */ |
#define PRId8 "d" /**< Format for int8_t. */ |
#define PRId16 "d" /**< Format for int16_t. */ |
#define PRId32 "d" /**< Format for int32_t. */ |
#define PRId64 "lld" /**< Format for int64_t. */ |
#define PRIdn "d" /**< Format for native_t. */ |
#define PRIu8 "u" /**< Format for uint8_t. */ |
#define PRIu16 "u" /**< Format for uint16_t. */ |
#define PRIu32 "u" /**< Format for uint32_t. */ |
#define PRIu64 "llu" /**< Format for uint64_t. */ |
#define PRIun "u" /**< Format for unative_t. */ |
#define PRIx8 "x" /**< Format for hexadecimal (u)int8_t. */ |
#define PRIx16 "x" /**< Format for hexadecimal (u)int16_t. */ |
#define PRIx32 "x" /**< Format for hexadecimal (u)uint32_t. */ |
#define PRIx64 "llx" /**< Format for hexadecimal (u)int64_t. */ |
#define PRIxn "x" /**< Format for hexadecimal (u)native_t. */ |
/** Page table entry. |
* |
* We have different structs for level 0 and level 1 page table entries. |
* See page.h for definition of pte_level*_t. |
*/ |
typedef struct { |
unsigned dummy : 32; |
} pte_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/mm/page.h |
---|
0,0 → 1,319 |
/* |
* Copyright (c) 2007 Pavel Jancik, Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32mm |
* @{ |
*/ |
/** @file |
* @brief Paging related declarations. |
*/ |
#ifndef KERN_arm32_PAGE_H_ |
#define KERN_arm32_PAGE_H_ |
#include <arch/mm/frame.h> |
#include <mm/mm.h> |
#include <arch/exception.h> |
#define PAGE_WIDTH FRAME_WIDTH |
#define PAGE_SIZE FRAME_SIZE |
#ifndef __ASM__ |
# define KA2PA(x) (((uintptr_t) (x)) - 0x80000000) |
# define PA2KA(x) (((uintptr_t) (x)) + 0x80000000) |
#else |
# define KA2PA(x) ((x) - 0x80000000) |
# define PA2KA(x) ((x) + 0x80000000) |
#endif |
#ifdef KERNEL |
/* Number of entries in each level. */ |
#define PTL0_ENTRIES_ARCH (2 << 12) /* 4096 */ |
#define PTL1_ENTRIES_ARCH 0 |
#define PTL2_ENTRIES_ARCH 0 |
/* coarse page tables used (256 * 4 = 1KB per page) */ |
#define PTL3_ENTRIES_ARCH (2 << 8) /* 256 */ |
/* Page table sizes for each level. */ |
#define PTL0_SIZE_ARCH FOUR_FRAMES |
#define PTL1_SIZE_ARCH 0 |
#define PTL2_SIZE_ARCH 0 |
#define PTL3_SIZE_ARCH ONE_FRAME |
/* Macros calculating indices into page tables for each level. */ |
#define PTL0_INDEX_ARCH(vaddr) (((vaddr) >> 20) & 0xfff) |
#define PTL1_INDEX_ARCH(vaddr) 0 |
#define PTL2_INDEX_ARCH(vaddr) 0 |
#define PTL3_INDEX_ARCH(vaddr) (((vaddr) >> 12) & 0x0ff) |
/* Get PTE address accessors for each level. */ |
#define GET_PTL1_ADDRESS_ARCH(ptl0, i) \ |
((pte_t *) ((((pte_level0_t *)(ptl0))[(i)]).coarse_table_addr << 10)) |
#define GET_PTL2_ADDRESS_ARCH(ptl1, i) \ |
(ptl1) |
#define GET_PTL3_ADDRESS_ARCH(ptl2, i) \ |
(ptl2) |
#define GET_FRAME_ADDRESS_ARCH(ptl3, i) \ |
((uintptr_t) ((((pte_level1_t *)(ptl3))[(i)]).frame_base_addr << 12)) |
/* Set PTE address accessors for each level. */ |
#define SET_PTL0_ADDRESS_ARCH(ptl0) \ |
(set_ptl0_addr((pte_level0_t *) (ptl0))) |
#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a) \ |
(((pte_level0_t *) (ptl0))[(i)].coarse_table_addr = (a) >> 10) |
#define SET_PTL2_ADDRESS_ARCH(ptl1, i, a) |
#define SET_PTL3_ADDRESS_ARCH(ptl2, i, a) |
#define SET_FRAME_ADDRESS_ARCH(ptl3, i, a) \ |
(((pte_level1_t *) (ptl3))[(i)].frame_base_addr = (a) >> 12) |
/* Get PTE flags accessors for each level. */ |
#define GET_PTL1_FLAGS_ARCH(ptl0, i) \ |
get_pt_level0_flags((pte_level0_t *) (ptl0), (size_t) (i)) |
#define GET_PTL2_FLAGS_ARCH(ptl1, i) \ |
PAGE_PRESENT |
#define GET_PTL3_FLAGS_ARCH(ptl2, i) \ |
PAGE_PRESENT |
#define GET_FRAME_FLAGS_ARCH(ptl3, i) \ |
get_pt_level1_flags((pte_level1_t *) (ptl3), (size_t) (i)) |
/* Set PTE flags accessors for each level. */ |
#define SET_PTL1_FLAGS_ARCH(ptl0, i, x) \ |
set_pt_level0_flags((pte_level0_t *) (ptl0), (size_t) (i), (x)) |
#define SET_PTL2_FLAGS_ARCH(ptl1, i, x) |
#define SET_PTL3_FLAGS_ARCH(ptl2, i, x) |
#define SET_FRAME_FLAGS_ARCH(ptl3, i, x) \ |
set_pt_level1_flags((pte_level1_t *) (ptl3), (size_t) (i), (x)) |
/* Macros for querying the last-level PTE entries. */ |
#define PTE_VALID_ARCH(pte) \ |
(*((uint32_t *) (pte)) != 0) |
#define PTE_PRESENT_ARCH(pte) \ |
(((pte_level0_t *) (pte))->descriptor_type != 0) |
#define PTE_GET_FRAME_ARCH(pte) \ |
(((pte_level1_t *) (pte))->frame_base_addr << FRAME_WIDTH) |
#define PTE_WRITABLE_ARCH(pte) \ |
(((pte_level1_t *) (pte))->access_permission_0 == \ |
PTE_AP_USER_RW_KERNEL_RW) |
#define PTE_EXECUTABLE_ARCH(pte) \ |
1 |
#ifndef __ASM__ |
/** Level 0 page table entry. */ |
typedef struct { |
/* 0b01 for coarse tables, see below for details */ |
unsigned descriptor_type : 2; |
unsigned impl_specific : 3; |
unsigned domain : 4; |
unsigned should_be_zero : 1; |
/* Pointer to the coarse 2nd level page table (holding entries for small |
* (4KB) or large (64KB) pages. ARM also supports fine 2nd level page |
* tables that may hold even tiny pages (1KB) but they are bigger (4KB |
* per table in comparison with 1KB per the coarse table) |
*/ |
unsigned coarse_table_addr : 22; |
} ATTRIBUTE_PACKED pte_level0_t; |
/** Level 1 page table entry (small (4KB) pages used). */ |
typedef struct { |
/* 0b10 for small pages */ |
unsigned descriptor_type : 2; |
unsigned bufferable : 1; |
unsigned cacheable : 1; |
/* access permissions for each of 4 subparts of a page |
* (for each 1KB when small pages used */ |
unsigned access_permission_0 : 2; |
unsigned access_permission_1 : 2; |
unsigned access_permission_2 : 2; |
unsigned access_permission_3 : 2; |
unsigned frame_base_addr : 20; |
} ATTRIBUTE_PACKED pte_level1_t; |
/* Level 1 page tables access permissions */ |
/** User mode: no access, privileged mode: no access. */ |
#define PTE_AP_USER_NO_KERNEL_NO 0 |
/** User mode: no access, privileged mode: read/write. */ |
#define PTE_AP_USER_NO_KERNEL_RW 1 |
/** User mode: read only, privileged mode: read/write. */ |
#define PTE_AP_USER_RO_KERNEL_RW 2 |
/** User mode: read/write, privileged mode: read/write. */ |
#define PTE_AP_USER_RW_KERNEL_RW 3 |
/* pte_level0_t and pte_level1_t descriptor_type flags */ |
/** pte_level0_t and pte_level1_t "not present" flag (used in descriptor_type). */ |
#define PTE_DESCRIPTOR_NOT_PRESENT 0 |
/** pte_level0_t coarse page table flag (used in descriptor_type). */ |
#define PTE_DESCRIPTOR_COARSE_TABLE 1 |
/** pte_level1_t small page table flag (used in descriptor type). */ |
#define PTE_DESCRIPTOR_SMALL_PAGE 2 |
/** Sets the address of level 0 page table. |
* |
* @param pt Pointer to the page table to set. |
*/ |
static inline void set_ptl0_addr(pte_level0_t *pt) |
{ |
asm volatile ( |
"mcr p15, 0, %[pt], c2, c0, 0\n" |
:: [pt] "r" (pt) |
); |
} |
/** Returns level 0 page table entry flags. |
* |
* @param pt Level 0 page table. |
* @param i Index of the entry to return. |
*/ |
static inline int get_pt_level0_flags(pte_level0_t *pt, size_t i) |
{ |
pte_level0_t *p = &pt[i]; |
int np = (p->descriptor_type == PTE_DESCRIPTOR_NOT_PRESENT); |
return (np << PAGE_PRESENT_SHIFT) | (1 << PAGE_USER_SHIFT) | |
(1 << PAGE_READ_SHIFT) | (1 << PAGE_WRITE_SHIFT) | |
(1 << PAGE_EXEC_SHIFT) | (1 << PAGE_CACHEABLE_SHIFT); |
} |
/** Returns level 1 page table entry flags. |
* |
* @param pt Level 1 page table. |
* @param i Index of the entry to return. |
*/ |
static inline int get_pt_level1_flags(pte_level1_t *pt, size_t i) |
{ |
pte_level1_t *p = &pt[i]; |
int dt = p->descriptor_type; |
int ap = p->access_permission_0; |
return ((dt == PTE_DESCRIPTOR_NOT_PRESENT) << PAGE_PRESENT_SHIFT) | |
((ap == PTE_AP_USER_RO_KERNEL_RW) << PAGE_READ_SHIFT) | |
((ap == PTE_AP_USER_RW_KERNEL_RW) << PAGE_READ_SHIFT) | |
((ap == PTE_AP_USER_RW_KERNEL_RW) << PAGE_WRITE_SHIFT) | |
((ap != PTE_AP_USER_NO_KERNEL_RW) << PAGE_USER_SHIFT) | |
((ap == PTE_AP_USER_NO_KERNEL_RW) << PAGE_READ_SHIFT) | |
((ap == PTE_AP_USER_NO_KERNEL_RW) << PAGE_WRITE_SHIFT) | |
(1 << PAGE_EXEC_SHIFT) | |
(p->bufferable << PAGE_CACHEABLE); |
} |
/** Sets flags of level 0 page table entry. |
* |
* @param pt level 0 page table |
* @param i index of the entry to be changed |
* @param flags new flags |
*/ |
static inline void set_pt_level0_flags(pte_level0_t *pt, size_t i, int flags) |
{ |
pte_level0_t *p = &pt[i]; |
if (flags & PAGE_NOT_PRESENT) { |
p->descriptor_type = PTE_DESCRIPTOR_NOT_PRESENT; |
/* |
* Ensures that the entry will be recognized as valid when |
* PTE_VALID_ARCH applied. |
*/ |
p->should_be_zero = 1; |
} else { |
p->descriptor_type = PTE_DESCRIPTOR_COARSE_TABLE; |
p->should_be_zero = 0; |
} |
} |
/** Sets flags of level 1 page table entry. |
* |
* We use same access rights for the whole page. When page is not preset we |
* store 1 in acess_rigts_3 so that at least one bit is 1 (to mark correct |
* page entry, see #PAGE_VALID_ARCH). |
* |
* @param pt Level 1 page table. |
* @param i Index of the entry to be changed. |
* @param flags New flags. |
*/ |
static inline void set_pt_level1_flags(pte_level1_t *pt, size_t i, int flags) |
{ |
pte_level1_t *p = &pt[i]; |
if (flags & PAGE_NOT_PRESENT) { |
p->descriptor_type = PTE_DESCRIPTOR_NOT_PRESENT; |
p->access_permission_3 = 1; |
} else { |
p->descriptor_type = PTE_DESCRIPTOR_SMALL_PAGE; |
p->access_permission_3 = p->access_permission_0; |
} |
p->cacheable = p->bufferable = (flags & PAGE_CACHEABLE) != 0; |
/* default access permission */ |
p->access_permission_0 = p->access_permission_1 = |
p->access_permission_2 = p->access_permission_3 = |
PTE_AP_USER_NO_KERNEL_RW; |
if (flags & PAGE_USER) { |
if (flags & PAGE_READ) { |
p->access_permission_0 = p->access_permission_1 = |
p->access_permission_2 = p->access_permission_3 = |
PTE_AP_USER_RO_KERNEL_RW; |
} |
if (flags & PAGE_WRITE) { |
p->access_permission_0 = p->access_permission_1 = |
p->access_permission_2 = p->access_permission_3 = |
PTE_AP_USER_RW_KERNEL_RW; |
} |
} |
} |
extern void page_arch_init(void); |
#endif /* __ASM__ */ |
#endif /* KERNEL */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/mm/frame.h |
---|
0,0 → 1,65 |
/* |
* Copyright (c) 2007 Pavel Jancik, Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32mm |
* @{ |
*/ |
/** @file |
* @brief Frame related declarations. |
*/ |
#ifndef KERN_arm32_FRAME_H_ |
#define KERN_arm32_FRAME_H_ |
#define FRAME_WIDTH 12 /* 4KB frames */ |
#define FRAME_SIZE (1 << FRAME_WIDTH) |
#ifdef KERNEL |
#ifndef __ASM__ |
#include <arch/types.h> |
#define BOOT_PAGE_TABLE_SIZE 0x4000 |
#define BOOT_PAGE_TABLE_ADDRESS 0x4000 |
#define BOOT_PAGE_TABLE_START_FRAME (BOOT_PAGE_TABLE_ADDRESS >> FRAME_WIDTH) |
#define BOOT_PAGE_TABLE_SIZE_IN_FRAMES (BOOT_PAGE_TABLE_SIZE >> FRAME_WIDTH) |
extern uintptr_t last_frame; |
extern void frame_arch_init(void); |
extern void boot_page_table_free(void); |
#define physmem_print() |
#endif /* __ASM__ */ |
#endif /* KERNEL */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/mm/tlb.h |
---|
0,0 → 1,42 |
/* |
* Copyright (c) 2007 Pavel Jancik |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32mm |
* @{ |
*/ |
/** @file |
* @brief TLB related declarations. |
*/ |
#ifndef KERN_arm32_TLB_H_ |
#define KERN_arm32_TLB_H_ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/mm/page_fault.h |
---|
0,0 → 1,89 |
/* |
* Copyright (c) 2007 Pavel Jancik, Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32mm |
* @{ |
*/ |
/** @file |
* @brief Page fault related declarations. |
*/ |
#ifndef KERN_arm32_PAGE_FAULT_H_ |
#define KERN_arm32_PAGE_FAULT_H_ |
#include <arch/types.h> |
/** Decribes CP15 "fault status register" (FSR). */ |
typedef struct { |
unsigned status : 3; |
unsigned domain : 4; |
unsigned zero : 1; |
unsigned should_be_zero : 24; |
} ATTRIBUTE_PACKED fault_status_t; |
/** Help union used for casting integer value into #fault_status_t. */ |
typedef union { |
fault_status_t fs; |
uint32_t dummy; |
} fault_status_union_t; |
/** Simplified description of instruction code. |
* |
* @note Used for recognizing memory access instructions. |
* @see ARM architecture reference (chapter 3.1) |
*/ |
typedef struct { |
unsigned dummy1 : 4; |
unsigned bit4 : 1; |
unsigned bits567 : 3; |
unsigned dummy : 12; |
unsigned access : 1; |
unsigned opcode : 4; |
unsigned type : 3; |
unsigned condition : 4; |
} ATTRIBUTE_PACKED instruction_t; |
/** Help union used for casting pc register (uint_32_t) value into |
* #instruction_t pointer. |
*/ |
typedef union { |
instruction_t *instr; |
uint32_t pc; |
} instruction_union_t; |
extern void prefetch_abort(int n, istate_t *istate); |
extern void data_abort(int n, istate_t *istate); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/mm/asid.h |
---|
0,0 → 1,58 |
/* |
* Copyright (c) 2007 Pavel Jancik, Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32mm |
* @{ |
*/ |
/** @file |
* @brief ASIDs related declarations. |
* |
* ARM CPUs doesn't support ASIDs. |
*/ |
#ifndef KERN_arm32_ASID_H_ |
#define KERN_arm32_ASID_H_ |
#include <arch/types.h> |
#define ASID_MAX_ARCH 3 /* minimal required number */ |
typedef uint8_t asid_t; |
/* |
* This works due to fact that this file is never included alone but only |
* through "generic/include/mm/asid.h" where ASID_START is defined. |
*/ |
#define asid_get() (ASID_START + 1) |
#define asid_put(asid) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/mm/as.h |
---|
0,0 → 1,65 |
/* |
* Copyright (c) 2007 Pavel Jancik, Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32mm |
* @{ |
*/ |
/** @file |
* @brief Address space manipulating functions declarations. |
*/ |
#ifndef KERN_arm32_AS_H_ |
#define KERN_arm32_AS_H_ |
#define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 0 |
#define KERNEL_ADDRESS_SPACE_START_ARCH (unsigned long) 0x80000000 |
#define KERNEL_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffff |
#define USER_ADDRESS_SPACE_START_ARCH (unsigned long) 0x00000000 |
#define USER_ADDRESS_SPACE_END_ARCH (unsigned long) 0x7fffffff |
#define USTACK_ADDRESS_ARCH (0x80000000 - PAGE_SIZE) |
typedef struct { |
} as_arch_t; |
#include <genarch/mm/as_pt.h> |
#define as_constructor_arch(as, flags) (as != as) |
#define as_destructor_arch(as) (as != as) |
#define as_create_arch(as, flags) (as != as) |
#define as_install_arch(as) |
#define as_deinstall_arch(as) |
#define as_invalidate_translation_cache(as, page, cnt) |
extern void as_arch_init(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/asm/boot.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2007 Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
* @brief Initial kernel start. |
*/ |
#ifndef KERN_arm32_ASM_BOOT_H_ |
#define KERN_arm32_ASM_BOOT_H_ |
/** Size of a temporary stack used for initial kernel start. */ |
#define TEMP_STACK_SIZE 0x100 |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/drivers/gxemul.h |
---|
0,0 → 1,71 |
/* |
* Copyright (c) 2007 Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32gxemul GXemul |
* @brief GXemul machine specific parts. |
* @ingroup arm32 |
* @{ |
*/ |
/** @file |
* @brief GXemul peripheries drivers declarations. |
*/ |
#ifndef KERN_arm32_GXEMUL_H_ |
#define KERN_arm32_GXEMUL_H_ |
/** Last interrupt number (beginning from 0) whose status is probed |
* from interrupt controller |
*/ |
#define GXEMUL_IRQC_MAX_IRQ 8 |
#define GXEMUL_KBD_IRQ 2 |
#define GXEMUL_TIMER_IRQ 4 |
/** Timer frequency */ |
#define GXEMUL_TIMER_FREQ 100 |
#define GXEMUL_KBD_ADDRESS 0x10000000 |
#define GXEMUL_MP_ADDRESS 0x11000000 |
#define GXEMUL_FB_ADDRESS 0x12000000 |
#define GXEMUL_RTC_ADDRESS 0x15000000 |
#define GXEMUL_IRQC_ADDRESS 0x16000000 |
extern void *gxemul_kbd; |
extern void *gxemul_rtc; |
extern void *gxemul_irqc; |
#define GXEMUL_HALT_OFFSET 0x010 |
#define GXEMUL_RTC_FREQ_OFFSET 0x100 |
#define GXEMUL_MP_MEMSIZE_OFFSET 0x090 |
#define GXEMUL_RTC_ACK_OFFSET 0x110 |
extern void gxemul_init(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/arch.h |
---|
0,0 → 1,62 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
* @brief Empty. |
*/ |
#ifndef KERN_arm32_ARCH_H_ |
#define KERN_arm32_ARCH_H_ |
#define TASKMAP_MAX_RECORDS 32 |
#define CPUMAP_MAX_RECORDS 32 |
#define BOOTINFO_TASK_NAME_BUFLEN 32 |
#include <typedefs.h> |
typedef struct { |
uintptr_t addr; |
uint32_t size; |
char name[BOOTINFO_TASK_NAME_BUFLEN]; |
} utask_t; |
typedef struct { |
uint32_t cnt; |
utask_t tasks[TASKMAP_MAX_RECORDS]; |
} bootinfo_t; |
extern void arch_pre_main(void *entry, bootinfo_t *bootinfo); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/asm.h |
---|
0,0 → 1,106 |
/* |
* Copyright (c) 2007 Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
* @brief Declarations of functions implemented in assembly. |
*/ |
#ifndef KERN_arm32_ASM_H_ |
#define KERN_arm32_ASM_H_ |
#include <typedefs.h> |
#include <arch/types.h> |
#include <arch/stack.h> |
#include <config.h> |
#include <arch/interrupt.h> |
/** No such instruction on ARM to sleep CPU. */ |
static inline void cpu_sleep(void) |
{ |
} |
static inline void pio_write_8(ioport8_t *port, uint8_t v) |
{ |
*port = v; |
} |
static inline void pio_write_16(ioport16_t *port, uint16_t v) |
{ |
*port = v; |
} |
static inline void pio_write_32(ioport32_t *port, uint32_t v) |
{ |
*port = v; |
} |
static inline uint8_t pio_read_8(ioport8_t *port) |
{ |
return *port; |
} |
static inline uint16_t pio_read_16(ioport16_t *port) |
{ |
return *port; |
} |
static inline uint32_t pio_read_32(ioport32_t *port) |
{ |
return *port; |
} |
/** Return base address of current stack. |
* |
* Return the base address of the current stack. |
* The stack is assumed to be STACK_SIZE bytes long. |
* The stack must start on page boundary. |
* |
*/ |
static inline uintptr_t get_stack_base(void) |
{ |
uintptr_t v; |
asm volatile ( |
"and %[v], sp, %[size]\n" |
: [v] "=r" (v) |
: [size] "r" (~(STACK_SIZE - 1)) |
); |
return v; |
} |
extern void cpu_halt(void); |
extern void asm_delay_loop(uint32_t t); |
extern void userspace_asm(uintptr_t ustack, uintptr_t uspace_uarg, |
uintptr_t entry); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/regutils.h |
---|
0,0 → 1,92 |
/* |
* Copyright (c) 2007 Petr Stepan |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
* @{ |
*/ |
/** |
* @file |
* @brief Utilities for convenient manipulation with ARM registers. |
*/ |
#ifndef KERN_arm32_REGUTILS_H_ |
#define KERN_arm32_REGUTILS_H_ |
#define STATUS_REG_IRQ_DISABLED_BIT (1 << 7) |
#define STATUS_REG_MODE_MASK 0x1f |
#define CP15_R1_HIGH_VECTORS_BIT (1 << 13) |
/* ARM Processor Operation Modes */ |
#define USER_MODE 0x10 |
#define FIQ_MODE 0x11 |
#define IRQ_MODE 0x12 |
#define SUPERVISOR_MODE 0x13 |
#define ABORT_MODE 0x17 |
#define UNDEFINED_MODE 0x1b |
#define SYSTEM_MODE 0x1f |
/* [CS]PRS manipulation macros */ |
#define GEN_STATUS_READ(nm,reg) \ |
static inline uint32_t nm## _status_reg_read(void) \ |
{ \ |
uint32_t retval; \ |
asm volatile( \ |
"mrs %[retval], " #reg \ |
: [retval] "=r" (retval) \ |
); \ |
return retval; \ |
} |
#define GEN_STATUS_WRITE(nm,reg,fieldname, field) \ |
static inline void nm## _status_reg_ ##fieldname## _write(uint32_t value) \ |
{ \ |
asm volatile( \ |
"msr " #reg "_" #field ", %[value]" \ |
:: [value] "r" (value) \ |
); \ |
} |
/** Returns the value of CPSR (Current Program Status Register). */ |
GEN_STATUS_READ(current, cpsr) |
/** Sets control bits of CPSR. */ |
GEN_STATUS_WRITE(current, cpsr, control, c); |
/** Returns the value of SPSR (Saved Program Status Register). */ |
GEN_STATUS_READ(saved, spsr) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/atomic.h |
---|
0,0 → 1,128 |
/* |
* Copyright (c) 2007 Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
* @brief Atomic operations. |
*/ |
#ifndef KERN_arm32_ATOMIC_H_ |
#define KERN_arm32_ATOMIC_H_ |
/** Atomic addition. |
* |
* @param val Where to add. |
* @param i Value to be added. |
* |
* @return Value after addition. |
* |
*/ |
static inline long atomic_add(atomic_t *val, int i) |
{ |
int ret; |
volatile long *mem = &(val->count); |
asm volatile ( |
"1:\n" |
"ldr r2, [%[mem]]\n" |
"add r3, r2, %[i]\n" |
"str r3, %[ret]\n" |
"swp r3, r3, [%[mem]]\n" |
"cmp r3, r2\n" |
"bne 1b\n" |
: [ret] "=m" (ret) |
: [mem] "r" (mem), [i] "r" (i) |
: "r3", "r2" |
); |
return ret; |
} |
/** Atomic increment. |
* |
* @param val Variable to be incremented. |
*/ |
static inline void atomic_inc(atomic_t *val) |
{ |
atomic_add(val, 1); |
} |
/** Atomic decrement. |
* |
* @param val Variable to be decremented. |
*/ |
static inline void atomic_dec(atomic_t *val) { |
atomic_add(val, -1); |
} |
/** Atomic pre-increment. |
* |
* @param val Variable to be incremented. |
* @return Value after incrementation. |
*/ |
static inline long atomic_preinc(atomic_t *val) |
{ |
return atomic_add(val, 1); |
} |
/** Atomic pre-decrement. |
* |
* @param val Variable to be decremented. |
* @return Value after decrementation. |
*/ |
static inline long atomic_predec(atomic_t *val) |
{ |
return atomic_add(val, -1); |
} |
/** Atomic post-increment. |
* |
* @param val Variable to be incremented. |
* @return Value before incrementation. |
*/ |
static inline long atomic_postinc(atomic_t *val) |
{ |
return atomic_add(val, 1) - 1; |
} |
/** Atomic post-decrement. |
* |
* @param val Variable to be decremented. |
* @return Value before decrementation. |
*/ |
static inline long atomic_postdec(atomic_t *val) |
{ |
return atomic_add(val, -1) + 1; |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/barrier.h |
---|
0,0 → 1,55 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
* @brief Memory barriers. |
*/ |
#ifndef KERN_arm32_BARRIER_H_ |
#define KERN_arm32_BARRIER_H_ |
/* |
* TODO: implement true ARM memory barriers for macros below. |
*/ |
#define CS_ENTER_BARRIER() asm volatile ("" ::: "memory") |
#define CS_LEAVE_BARRIER() asm volatile ("" ::: "memory") |
#define memory_barrier() asm volatile ("" ::: "memory") |
#define read_barrier() asm volatile ("" ::: "memory") |
#define write_barrier() asm volatile ("" ::: "memory") |
#define smc_coherence(a) |
#define smc_coherence_block(a, l) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/interrupt.h |
---|
0,0 → 1,59 |
/* |
* Copyright (c) 2007 Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32interrupt |
* @{ |
*/ |
/** @file |
* @brief Declarations of interrupt controlling routines. |
*/ |
#ifndef KERN_arm32_INTERRUPT_H_ |
#define KERN_arm32_INTERRUPT_H_ |
#include <arch/types.h> |
#include <arch/exception.h> |
/** Initial size of exception dispatch table. */ |
#define IVT_ITEMS 6 |
/** Index of the first item in exception dispatch table. */ |
#define IVT_FIRST 0 |
extern void interrupt_init(void); |
extern ipl_t interrupts_disable(void); |
extern ipl_t interrupts_enable(void); |
extern void interrupts_restore(ipl_t ipl); |
extern ipl_t interrupts_read(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/memstr.h |
---|
0,0 → 1,49 |
/* |
* Copyright (c) 2005 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
* @brief Memory manipulating functions declarations. |
*/ |
#ifndef KERN_arm32_MEMSTR_H_ |
#define KERN_arm32_MEMSTR_H_ |
#define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt)) |
extern void memsetw(void *dst, size_t cnt, uint16_t x); |
extern void memsetb(void *dst, size_t cnt, uint8_t x); |
extern int memcmp(const void *a, const void *b, size_t cnt); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/fpu_context.h |
---|
0,0 → 1,51 |
/* |
* Copyright (c) 2007 Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
* @brief FPU context (not implemented). |
* |
* GXemul doesn't support FPU on its ARM CPU. |
*/ |
#ifndef KERN_arm32_FPU_CONTEXT_H_ |
#define KERN_arm32_FPU_CONTEXT_H_ |
#include <arch/types.h> |
#define FPU_CONTEXT_ALIGN 0 |
typedef struct { |
} fpu_context_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/exception.h |
---|
0,0 → 1,144 |
/* |
* Copyright (c) 2007 Michal Kebrt, Petr Stepan |
* |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
* @brief Exception declarations. |
*/ |
#ifndef KERN_arm32_EXCEPTION_H_ |
#define KERN_arm32_EXCEPTION_H_ |
#include <arch/types.h> |
#include <arch/regutils.h> |
/** If defined, forces using of high exception vectors. */ |
#define HIGH_EXCEPTION_VECTORS |
#ifdef HIGH_EXCEPTION_VECTORS |
#define EXC_BASE_ADDRESS 0xffff0000 |
#else |
#define EXC_BASE_ADDRESS 0x0 |
#endif |
/* Exception Vectors */ |
#define EXC_RESET_VEC (EXC_BASE_ADDRESS + 0x0) |
#define EXC_UNDEF_INSTR_VEC (EXC_BASE_ADDRESS + 0x4) |
#define EXC_SWI_VEC (EXC_BASE_ADDRESS + 0x8) |
#define EXC_PREFETCH_ABORT_VEC (EXC_BASE_ADDRESS + 0xc) |
#define EXC_DATA_ABORT_VEC (EXC_BASE_ADDRESS + 0x10) |
#define EXC_IRQ_VEC (EXC_BASE_ADDRESS + 0x18) |
#define EXC_FIQ_VEC (EXC_BASE_ADDRESS + 0x1c) |
/* Exception numbers */ |
#define EXC_RESET 0 |
#define EXC_UNDEF_INSTR 1 |
#define EXC_SWI 2 |
#define EXC_PREFETCH_ABORT 3 |
#define EXC_DATA_ABORT 4 |
#define EXC_IRQ 5 |
#define EXC_FIQ 6 |
/** Kernel stack pointer. |
* |
* It is set when thread switches to user mode, |
* and then used for exception handling. |
*/ |
extern uintptr_t supervisor_sp; |
/** Temporary exception stack pointer. |
* |
* Temporary stack is used in exceptions handling routines |
* before switching to thread's kernel stack. |
*/ |
extern uintptr_t exc_stack; |
/** Struct representing CPU state saved when an exception occurs. */ |
typedef struct { |
uint32_t spsr; |
uint32_t sp; |
uint32_t lr; |
uint32_t r0; |
uint32_t r1; |
uint32_t r2; |
uint32_t r3; |
uint32_t r4; |
uint32_t r5; |
uint32_t r6; |
uint32_t r7; |
uint32_t r8; |
uint32_t r9; |
uint32_t r10; |
uint32_t r11; |
uint32_t r12; |
uint32_t pc; |
} istate_t; |
/** Sets Program Counter member of given istate structure. |
* |
* @param istate istate structure |
* @param retaddr new value of istate's PC member |
*/ |
static inline void istate_set_retaddr(istate_t *istate, uintptr_t retaddr) |
{ |
istate->pc = retaddr; |
} |
/** Returns true if exception happened while in userspace. */ |
static inline int istate_from_uspace(istate_t *istate) |
{ |
return (istate->spsr & STATUS_REG_MODE_MASK) == USER_MODE; |
} |
/** Returns Program Counter member of given istate structure. */ |
static inline unative_t istate_get_pc(istate_t *istate) |
{ |
return istate->pc; |
} |
extern void install_exception_handlers(void); |
extern void exception_init(void); |
extern void print_istate(istate_t *istate); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/cycle.h |
---|
0,0 → 1,53 |
/* |
* Copyright (c) 2007 Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
* @brief Count of CPU cycles. |
*/ |
#ifndef KERN_arm32_CYCLE_H_ |
#define KERN_arm32_CYCLE_H_ |
/** Returns count of CPU cycles. |
* |
* No such instruction on ARM to get count of cycles. |
* |
* @return Count of CPU cycles. |
*/ |
static inline uint64_t get_cycle(void) |
{ |
return 0; |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/stack.h |
---|
0,0 → 1,49 |
/* |
* Copyright (c) 2007 Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
* @brief Stack constants. |
*/ |
#ifndef KERN_arm32_STACK_H_ |
#define KERN_arm32_STACK_H_ |
#define STACK_ITEM_SIZE 4 |
/** See <a href="http://www.arm.com/support/faqdev/14269.html">ABI</a> for |
* details |
*/ |
#define STACK_ALIGNMENT 8 |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/elf.h |
---|
0,0 → 1,52 |
/* |
* Copyright (c) 2006 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
* @brief ARM ELF constants. |
*/ |
#ifndef KERN_arm32_ELF_H_ |
#define KERN_arm32_ELF_H_ |
#define ELF_MACHINE EM_ARM |
#ifdef BIG_ENDIAN |
#define ELF_DATA_ENCODING ELFDATA2MSB |
#else |
#define ELF_DATA_ENCODING ELFDATA2LSB |
#endif |
#define ELF_CLASS ELFCLASS32 |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/arg.h |
---|
0,0 → 1,44 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
* @brief Empty. |
*/ |
#ifndef KERN_arm32_ARG_H_ |
#define KERN_arm32_ARG_H_ |
#include <stdarg.h> |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/proc/task.h |
---|
0,0 → 1,48 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32proc |
* @{ |
*/ |
/** @file |
* @brief Task related declarations. |
*/ |
#ifndef KERN_arm32_TASK_H_ |
#define KERN_arm32_TASK_H_ |
typedef struct { |
} task_arch_t; |
#define task_create_arch(t) |
#define task_destroy_arch(t) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/proc/thread.h |
---|
0,0 → 1,49 |
/* |
* Copyright (c) 2003-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32proc |
* @{ |
*/ |
/** @file |
* @brief Thread related declarations. |
*/ |
#ifndef KERN_arm32_THREAD_H_ |
#define KERN_arm32_THREAD_H_ |
typedef struct { |
} thread_arch_t; |
#define thr_constructor_arch(t) |
#define thr_destructor_arch(t) |
#define thread_create_arch(t) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/faddr.h |
---|
0,0 → 1,50 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
* @brief Function address conversion. |
*/ |
#ifndef KERN_arm32_FADDR_H_ |
#define KERN_arm32_FADDR_H_ |
#include <arch/types.h> |
/** Calculate absolute address of function referenced by fptr pointer. |
* |
* @param fptr Function pointer. |
*/ |
#define FADDR(fptr) ((uintptr_t) (fptr)) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/mainpage.h |
---|
0,0 → 1,49 |
/* |
* Copyright (c) 2005 Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @mainpage HelenOS ARM 32-bit port |
* |
* |
* @section sec_arm32 ARM 32-bit port |
* arm32 port is the ninth port of SPARTAN, originally written by Michal Kebrt, |
* Petr Stepan, Pavel Jancik. The goal is to support 32-bit ARM architecture. |
* So far, it runs only in emulator. |
* |
* @subsection sec_arm32_doc Documentation |
* <ul> |
* <li>See 'kernel/doc/arm32_HOWTO' for information about getting an emulator, |
* building sources and running HelenOS. |
* </li> |
* <li>See <a href="http://www.helenos.eu/doc/slides/2007-05-21-Stepan-ARM.pdf">slides</a> |
* for some information about ARM architecture and porting HelenOS to ARM |
* (only in Czech). |
* </li> |
* </ul> |
* |
* |
*/ |
/branches/arm/kernel/arch/arm32/include/context.h |
---|
0,0 → 1,75 |
/* |
* Copyright (c) 2007 Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
* @brief Thread context. |
*/ |
#ifndef KERN_arm32_CONTEXT_H_ |
#define KERN_arm32_CONTEXT_H_ |
#include <align.h> |
#include <arch/stack.h> |
/* Put one item onto the stack to support get_stack_base() and align it up. */ |
#define SP_DELTA (0 + ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT)) |
#ifndef __ASM__ |
#include <arch/types.h> |
/** Thread context containing registers that must be preserved across function |
* calls. |
*/ |
typedef struct { |
uint32_t cpu_mode; |
uintptr_t sp; |
uintptr_t pc; |
uint32_t r4; |
uint32_t r5; |
uint32_t r6; |
uint32_t r7; |
uint32_t r8; |
uint32_t r9; |
uint32_t r10; |
uint32_t r11; |
ipl_t ipl; |
} context_t; |
#endif /* __ASM__ */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/debug.h |
---|
0,0 → 1,42 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32debug |
* @{ |
*/ |
/** @file |
* @brief Empty. |
*/ |
#ifndef KERN_arm32_DEBUG_H_ |
#define KERN_arm32_DEBUG_H_ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/include/cpu.h |
---|
0,0 → 1,64 |
/* |
* Copyright (c) 2007 Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
* @brief CPU identification. |
*/ |
#ifndef KERN_arm32_CPU_H_ |
#define KERN_arm32_CPU_H_ |
#include <arch/types.h> |
#include <arch/asm.h> |
/** Struct representing ARM CPU identifiaction. */ |
typedef struct { |
/** Implementator (vendor) number. */ |
uint32_t imp_num; |
/** Variant number. */ |
uint32_t variant_num; |
/** Architecture number. */ |
uint32_t arch_num; |
/** Primary part number. */ |
uint32_t prim_part_num; |
/** Revision number. */ |
uint32_t rev_num; |
} cpu_arch_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/Makefile.inc |
---|
0,0 → 1,62 |
# |
# Copyright (c) 2007 Jakub Jermar, Michal Kebrt |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
## Toolchain configuration |
# |
BFD_NAME = elf32-littlearm |
BFD_ARCH = arm |
BFD = binary |
TARGET = arm-linux-gnu |
TOOLCHAIN_DIR = $(CROSS_PREFIX)/arm |
ATSIGN = % |
GCC_CFLAGS += -fno-zero-initialized-in-bss |
BITS = 32 |
ENDIANESS = LE |
ARCH_SOURCES = \ |
arch/$(KARCH)/src/start.S \ |
arch/$(KARCH)/src/asm.S \ |
arch/$(KARCH)/src/arm32.c \ |
arch/$(KARCH)/src/context.S \ |
arch/$(KARCH)/src/dummy.S \ |
arch/$(KARCH)/src/panic.S \ |
arch/$(KARCH)/src/cpu/cpu.c \ |
arch/$(KARCH)/src/ddi/ddi.c \ |
arch/$(KARCH)/src/interrupt.c \ |
arch/$(KARCH)/src/exception.c \ |
arch/$(KARCH)/src/userspace.c \ |
arch/$(KARCH)/src/mm/as.c \ |
arch/$(KARCH)/src/mm/frame.c \ |
arch/$(KARCH)/src/mm/page.c \ |
arch/$(KARCH)/src/mm/tlb.c \ |
arch/$(KARCH)/src/mm/page_fault.c \ |
arch/$(KARCH)/src/drivers/gxemul.c |
/branches/arm/kernel/arch/arm32/src/mm/tlb.c |
---|
0,0 → 1,100 |
/* |
* Copyright (c) 2007 Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32mm |
* @{ |
*/ |
/** @file |
* @brief TLB related functions. |
*/ |
#include <mm/tlb.h> |
#include <arch/mm/asid.h> |
#include <arch/asm.h> |
#include <arch/types.h> |
#include <arch/mm/page.h> |
/** Invalidate all entries in TLB. |
* |
* @note See ARM Architecture reference section 3.7.7 for details. |
*/ |
void tlb_invalidate_all(void) |
{ |
asm volatile ( |
"eor r1, r1\n" |
"mcr p15, 0, r1, c8, c7, 0\n" |
::: "r1" |
); |
} |
/** Invalidate all entries in TLB that belong to specified address space. |
* |
* @param asid Ignored as the ARM architecture doesn't support ASIDs. |
*/ |
void tlb_invalidate_asid(asid_t asid) |
{ |
tlb_invalidate_all(); |
} |
/** Invalidate single entry in TLB |
* |
* @param page Virtual adress of the page |
*/ |
static inline void invalidate_page(uintptr_t page) |
{ |
asm volatile ( |
"mcr p15, 0, %[page], c8, c7, 1\n" |
:: [page] "r" (page) |
); |
} |
/** Invalidate TLB entries for specified page range belonging to specified |
* address space. |
* |
* @param asid Ignored as the ARM architecture doesn't support it. |
* @param page Address of the first page whose entry is to be invalidated. |
* @param cnt Number of entries to invalidate. |
*/ |
void tlb_invalidate_pages(asid_t asid __attribute__((unused)), uintptr_t page, size_t cnt) |
{ |
unsigned int i; |
for (i = 0; i < cnt; i++) |
invalidate_page(page + i * PAGE_SIZE); |
} |
void tlb_arch_init(void) |
{ |
} |
void tlb_print(void) |
{ |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/src/mm/page_fault.c |
---|
0,0 → 1,211 |
/* |
* Copyright (c) 2007 Pavel Jancik, Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32mm |
* @{ |
*/ |
/** @file |
* @brief Page fault related functions. |
*/ |
#include <panic.h> |
#include <arch/exception.h> |
#include <arch/mm/page_fault.h> |
#include <mm/as.h> |
#include <genarch/mm/page_pt.h> |
#include <arch.h> |
#include <interrupt.h> |
#include <print.h> |
/** Returns value stored in fault status register. |
* |
* @return Value stored in CP15 fault status register (FSR). |
*/ |
static inline fault_status_t read_fault_status_register(void) |
{ |
fault_status_union_t fsu; |
/* fault status is stored in CP15 register 5 */ |
asm volatile ( |
"mrc p15, 0, %[dummy], c5, c0, 0" |
: [dummy] "=r" (fsu.dummy) |
); |
return fsu.fs; |
} |
/** Returns FAR (fault address register) content. |
* |
* @return FAR (fault address register) content (address that caused a page |
* fault) |
*/ |
static inline uintptr_t read_fault_address_register(void) |
{ |
uintptr_t ret; |
/* fault adress is stored in CP15 register 6 */ |
asm volatile ( |
"mrc p15, 0, %[ret], c6, c0, 0" |
: [ret] "=r" (ret) |
); |
return ret; |
} |
/** Decides whether the instruction is load/store or not. |
* |
* @param instr Instruction |
* |
* @return true when instruction is load/store, false otherwise |
* |
*/ |
static inline bool is_load_store_instruction(instruction_t instr) |
{ |
/* load store immediate offset */ |
if (instr.type == 0x2) |
return true; |
/* load store register offset */ |
if ((instr.type == 0x3) && (instr.bit4 == 0)) |
return true; |
/* load store multiple */ |
if (instr.type == 0x4) |
return true; |
/* oprocessor load/store */ |
if (instr.type == 0x6) |
return true; |
return false; |
} |
/** Decides whether the instruction is swap or not. |
* |
* @param instr Instruction |
* |
* @return true when instruction is swap, false otherwise |
*/ |
static inline bool is_swap_instruction(instruction_t instr) |
{ |
/* swap, swapb instruction */ |
if ((instr.type == 0x0) && |
((instr.opcode == 0x8) || (instr.opcode == 0xa)) && |
(instr.access == 0x0) && (instr.bits567 == 0x4) && (instr.bit4 == 1)) |
return true; |
return false; |
} |
/** Decides whether read or write into memory is requested. |
* |
* @param instr_addr Address of instruction which tries to access memory. |
* @param badvaddr Virtual address the instruction tries to access. |
* |
* @return Type of access into memory, PF_ACCESS_EXEC if no memory access is |
* requested. |
*/ |
static pf_access_t get_memory_access_type(uint32_t instr_addr, |
uintptr_t badvaddr) |
{ |
instruction_union_t instr_union; |
instr_union.pc = instr_addr; |
instruction_t instr = *(instr_union.instr); |
/* undefined instructions */ |
if (instr.condition == 0xf) { |
panic("page_fault - instruction does not access memory " |
"(instr_code: %x, badvaddr:%x).", instr, badvaddr); |
return PF_ACCESS_EXEC; |
} |
/* load store instructions */ |
if (is_load_store_instruction(instr)) { |
if (instr.access == 1) { |
return PF_ACCESS_READ; |
} else { |
return PF_ACCESS_WRITE; |
} |
} |
/* swap, swpb instruction */ |
if (is_swap_instruction(instr)) { |
return PF_ACCESS_WRITE; |
} |
panic("page_fault - instruction doesn't access memory " |
"(instr_code: %x, badvaddr:%x).", instr, badvaddr); |
return PF_ACCESS_EXEC; |
} |
/** Handles "data abort" exception (load or store at invalid address). |
* |
* @param exc_no Exception number. |
* @param istate CPU state when exception occured. |
*/ |
void data_abort(int exc_no, istate_t *istate) |
{ |
fault_status_t fsr __attribute__ ((unused)) = |
read_fault_status_register(); |
uintptr_t badvaddr = read_fault_address_register(); |
pf_access_t access = get_memory_access_type(istate->pc, badvaddr); |
int ret = as_page_fault(badvaddr, access, istate); |
if (ret == AS_PF_FAULT) { |
print_istate(istate); |
printf("page fault - pc: %x, va: %x, status: %x(%x), " |
"access:%d\n", istate->pc, badvaddr, fsr.status, fsr, |
access); |
fault_if_from_uspace(istate, "Page fault: %#x.", badvaddr); |
panic("Page fault."); |
} |
} |
/** Handles "prefetch abort" exception (instruction couldn't be executed). |
* |
* @param exc_no Exception number. |
* @param istate CPU state when exception occured. |
*/ |
void prefetch_abort(int exc_no, istate_t *istate) |
{ |
int ret = as_page_fault(istate->pc, PF_ACCESS_EXEC, istate); |
if (ret == AS_PF_FAULT) { |
printf("prefetch_abort\n"); |
print_istate(istate); |
panic("page fault - prefetch_abort at address: %x.", |
istate->pc); |
} |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/src/mm/frame.c |
---|
0,0 → 1,67 |
/* |
* Copyright (c) 2007 Pavel Jancik, Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32mm |
* @{ |
*/ |
/** @file |
* @brief Frame related functions. |
*/ |
#include <mm/frame.h> |
#include <arch/mm/frame.h> |
#include <arch/drivers/gxemul.h> |
#include <config.h> |
/** Address of the last frame in the memory. */ |
uintptr_t last_frame = 0; |
/** Creates memory zones. */ |
void frame_arch_init(void) |
{ |
last_frame = *((uintptr_t *) (GXEMUL_MP_ADDRESS + GXEMUL_MP_MEMSIZE_OFFSET)); |
/* All memory as one zone */ |
zone_create(0, ADDR2PFN(last_frame), |
BOOT_PAGE_TABLE_START_FRAME + BOOT_PAGE_TABLE_SIZE_IN_FRAMES, 0); |
/* blacklist boot page table */ |
frame_mark_unavailable(BOOT_PAGE_TABLE_START_FRAME, |
BOOT_PAGE_TABLE_SIZE_IN_FRAMES); |
} |
/** Frees the boot page table. */ |
void boot_page_table_free(void) |
{ |
unsigned int i; |
for (i = 0; i < BOOT_PAGE_TABLE_SIZE_IN_FRAMES; i++) |
frame_free(i * FRAME_SIZE + BOOT_PAGE_TABLE_ADDRESS); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/src/mm/page.c |
---|
0,0 → 1,106 |
/* |
* Copyright (c) 2007 Pavel Jancik, Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32mm |
* @{ |
*/ |
/** @file |
* @brief Paging related functions. |
*/ |
#include <arch/mm/page.h> |
#include <genarch/mm/page_pt.h> |
#include <mm/page.h> |
#include <align.h> |
#include <config.h> |
#include <arch/exception.h> |
#include <typedefs.h> |
#include <arch/types.h> |
#include <interrupt.h> |
#include <arch/mm/frame.h> |
/** Initializes page tables. |
* |
* 1:1 virtual-physical mapping is created in kernel address space. Mapping |
* for table with exception vectors is also created. |
*/ |
void page_arch_init(void) |
{ |
int flags = PAGE_CACHEABLE; |
page_mapping_operations = &pt_mapping_operations; |
uintptr_t cur; |
/* Kernel identity mapping */ |
for (cur = 0; cur < last_frame; cur += FRAME_SIZE) |
page_mapping_insert(AS_KERNEL, PA2KA(cur), cur, flags); |
/* Create mapping for exception table at high offset */ |
#ifdef HIGH_EXCEPTION_VECTORS |
void *virtaddr = frame_alloc(ONE_FRAME, FRAME_KA); |
page_mapping_insert(AS_KERNEL, EXC_BASE_ADDRESS, KA2PA(virtaddr), flags); |
#else |
#error "Only high exception vector supported now" |
#endif |
as_switch(NULL, AS_KERNEL); |
boot_page_table_free(); |
} |
/** Maps device into the kernel space. |
* |
* Maps physical address of device into kernel virtual address space (so it can |
* be accessed only by kernel through virtual address). |
* |
* @param physaddr Physical address where device is connected. |
* @param size Length of area where device is present. |
* |
* @return Virtual address where device will be accessible. |
*/ |
uintptr_t hw_map(uintptr_t physaddr, size_t size) |
{ |
if (last_frame + ALIGN_UP(size, PAGE_SIZE) > |
KA2PA(KERNEL_ADDRESS_SPACE_END_ARCH)) { |
panic("Unable to map physical memory %p (%d bytes).", |
physaddr, size) |
} |
uintptr_t virtaddr = PA2KA(last_frame); |
pfn_t i; |
for (i = 0; i < ADDR2PFN(ALIGN_UP(size, PAGE_SIZE)); i++) { |
page_mapping_insert(AS_KERNEL, virtaddr + PFN2ADDR(i), |
physaddr + PFN2ADDR(i), |
PAGE_NOT_CACHEABLE | PAGE_READ | PAGE_WRITE | PAGE_KERNEL); |
} |
last_frame = ALIGN_UP(last_frame + size, FRAME_SIZE); |
return virtaddr; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/src/mm/as.c |
---|
0,0 → 1,52 |
/* |
* Copyright (c) 2007 Pavel Jancik, Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32mm |
* @{ |
*/ |
/** @file |
* @brief Address space functions. |
*/ |
#include <arch/mm/as.h> |
#include <genarch/mm/as_pt.h> |
#include <genarch/mm/asid_fifo.h> |
#include <mm/as.h> |
#include <arch.h> |
/** Architecture dependent address space init. |
* |
* Since ARM supports page tables, #as_pt_operations are used. |
*/ |
void as_arch_init(void) |
{ |
as_operations = &as_pt_operations; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/src/arm32.c |
---|
0,0 → 1,225 |
/* |
* Copyright (c) 2007 Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
* @brief ARM32 architecture specific functions. |
*/ |
#include <arch.h> |
#include <config.h> |
#include <genarch/fb/fb.h> |
#include <genarch/fb/visuals.h> |
#include <genarch/drivers/dsrln/dsrlnin.h> |
#include <genarch/drivers/dsrln/dsrlnout.h> |
#include <genarch/srln/srln.h> |
#include <sysinfo/sysinfo.h> |
#include <console/console.h> |
#include <ddi/irq.h> |
#include <arch/drivers/gxemul.h> |
#include <print.h> |
#include <config.h> |
#include <interrupt.h> |
#include <arch/regutils.h> |
#include <userspace.h> |
#include <macros.h> |
#include <string.h> |
/** Performs arm32-specific initialization before main_bsp() is called. */ |
void arch_pre_main(void *entry __attribute__((unused)), bootinfo_t *bootinfo) |
{ |
unsigned int i; |
init.cnt = bootinfo->cnt; |
for (i = 0; i < min3(bootinfo->cnt, TASKMAP_MAX_RECORDS, CONFIG_INIT_TASKS); ++i) { |
init.tasks[i].addr = bootinfo->tasks[i].addr; |
init.tasks[i].size = bootinfo->tasks[i].size; |
str_cpy(init.tasks[i].name, CONFIG_TASK_NAME_BUFLEN, |
bootinfo->tasks[i].name); |
} |
} |
/** Performs arm32 specific initialization before mm is initialized. */ |
void arch_pre_mm_init(void) |
{ |
/* It is not assumed by default */ |
interrupts_disable(); |
} |
/** Performs arm32 specific initialization afterr mm is initialized. */ |
void arch_post_mm_init(void) |
{ |
gxemul_init(); |
/* Initialize exception dispatch table */ |
exception_init(); |
interrupt_init(); |
#ifdef CONFIG_FB |
fb_properties_t prop = { |
.addr = GXEMUL_FB_ADDRESS, |
.offset = 0, |
.x = 640, |
.y = 480, |
.scan = 1920, |
.visual = VISUAL_BGR_8_8_8, |
}; |
fb_init(&prop); |
#else |
#ifdef CONFIG_ARM_PRN |
dsrlnout_init((ioport8_t *) gxemul_kbd); |
#endif /* CONFIG_ARM_PRN */ |
#endif /* CONFIG_FB */ |
} |
/** Performs arm32 specific tasks needed after cpu is initialized. |
* |
* Currently the function is empty. |
*/ |
void arch_post_cpu_init(void) |
{ |
} |
/** Performs arm32 specific tasks needed before the multiprocessing is |
* initialized. |
* |
* Currently the function is empty because SMP is not supported. |
*/ |
void arch_pre_smp_init(void) |
{ |
} |
/** Performs arm32 specific tasks needed after the multiprocessing is |
* initialized. |
* |
* Currently the function is empty because SMP is not supported. |
*/ |
void arch_post_smp_init(void) |
{ |
#ifdef CONFIG_ARM_KBD |
/* |
* Initialize the GXemul keyboard port. Then initialize the serial line |
* module and connect it to the GXemul keyboard. |
*/ |
dsrlnin_instance_t *dsrlnin_instance |
= dsrlnin_init((dsrlnin_t *) gxemul_kbd, GXEMUL_KBD_IRQ); |
if (dsrlnin_instance) { |
srln_instance_t *srln_instance = srln_init(); |
if (srln_instance) { |
indev_t *sink = stdin_wire(); |
indev_t *srln = srln_wire(srln_instance, sink); |
dsrlnin_wire(dsrlnin_instance, srln); |
} |
} |
/* |
* This is the necessary evil until the userspace driver is entirely |
* self-sufficient. |
*/ |
sysinfo_set_item_val("kbd", NULL, true); |
sysinfo_set_item_val("kbd.inr", NULL, GXEMUL_KBD_IRQ); |
sysinfo_set_item_val("kbd.address.virtual", NULL, (unative_t) gxemul_kbd); |
#endif |
} |
/** Performs arm32 specific tasks needed before the new task is run. */ |
void before_task_runs_arch(void) |
{ |
tlb_invalidate_all(); |
} |
/** Performs arm32 specific tasks needed before the new thread is scheduled. |
* |
* It sets supervisor_sp. |
*/ |
void before_thread_runs_arch(void) |
{ |
uint8_t *stck; |
stck = &THREAD->kstack[THREAD_STACK_SIZE - SP_DELTA]; |
supervisor_sp = (uintptr_t) stck; |
} |
/** Performs arm32 specific tasks before a thread stops running. |
* |
* Currently the function is empty. |
*/ |
void after_thread_ran_arch(void) |
{ |
} |
/** Halts CPU. */ |
void cpu_halt(void) |
{ |
*((char *) (gxemul_kbd + GXEMUL_HALT_OFFSET)) |
= 0; |
} |
/** Reboot. */ |
void arch_reboot() |
{ |
/* not implemented */ |
while (1); |
} |
/** Construct function pointer |
* |
* @param fptr function pointer structure |
* @param addr function address |
* @param caller calling function address |
* |
* @return address of the function pointer |
* |
*/ |
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
{ |
return addr; |
} |
/** Acquire console back for kernel. */ |
void arch_grab_console(void) |
{ |
#ifdef CONFIG_FB |
fb_redraw(); |
#endif |
} |
/** Return console to userspace. */ |
void arch_release_console(void) |
{ |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/src/asm.S |
---|
0,0 → 1,103 |
# |
# Copyright (c) 2007 Michal Kebrt |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
.text |
.global memsetb |
.global memsetw |
.global memcpy |
.global memcpy_from_uspace |
.global memcpy_to_uspace |
.global memcpy_from_uspace_failover_address |
.global memcpy_to_uspace_failover_address |
memsetb: |
b _memsetb |
memsetw: |
b _memsetw |
memcpy: |
memcpy_from_uspace: |
memcpy_to_uspace: |
add r3, r1, #3 |
bic r3, r3, #3 |
cmp r1, r3 |
stmdb sp!, {r4, r5, lr} |
mov r5, r0 /* save dst */ |
beq 4f |
1: |
cmp r2, #0 |
movne ip, #0 |
beq 3f |
2: |
ldrb r3, [ip, r1] |
strb r3, [ip, r0] |
add ip, ip, #1 |
cmp ip, r2 |
bne 2b |
3: |
mov r0, r5 |
ldmia sp!, {r4, r5, pc} |
4: |
add r3, r0, #3 |
bic r3, r3, #3 |
cmp r0, r3 |
bne 1b |
movs r4, r2, lsr #2 |
moveq lr, r4 |
beq 6f |
mov lr, #0 |
mov ip, lr |
5: |
ldr r3, [ip, r1] |
add lr, lr, #1 |
cmp lr, r4 |
str r3, [ip, r0] |
add ip, ip, #4 |
bne 5b |
6: |
ands r4, r2, #3 |
beq 3b |
mov r3, lr, lsl #2 |
add r0, r3, r0 |
add ip, r3, r1 |
mov r2, #0 |
7: |
ldrb r3, [r2, ip] |
strb r3, [r2, r0] |
add r2, r2, #1 |
cmp r2, r4 |
bne 7b |
b 3b |
memcpy_from_uspace_failover_address: |
memcpy_to_uspace_failover_address: |
mov r0, #0 |
ldmia sp!, {r4, r5, pc} |
/branches/arm/kernel/arch/arm32/src/exception.c |
---|
0,0 → 1,427 |
/* |
* Copyright (c) 2007 Petr Stepan |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
* @brief Exception handlers and exception initialization routines. |
*/ |
#include <arch/exception.h> |
#include <arch/memstr.h> |
#include <arch/regutils.h> |
#include <interrupt.h> |
#include <arch/mm/page_fault.h> |
#include <arch/barrier.h> |
#include <arch/drivers/gxemul.h> |
#include <print.h> |
#include <syscall/syscall.h> |
/** Offset used in calculation of exception handler's relative address. |
* |
* @see install_handler() |
*/ |
#define PREFETCH_OFFSET 0x8 |
/** LDR instruction's code */ |
#define LDR_OPCODE 0xe59ff000 |
/** Number of exception vectors. */ |
#define EXC_VECTORS 8 |
/** Size of memory block occupied by exception vectors. */ |
#define EXC_VECTORS_SIZE (EXC_VECTORS * 4) |
/** Switches to kernel stack and saves all registers there. |
* |
* Temporary exception stack is used to save a few registers |
* before stack switch takes place. |
* |
*/ |
inline static void setup_stack_and_save_regs() |
{ |
asm volatile ( |
"ldr r13, =exc_stack\n" |
"stmfd r13!, {r0}\n" |
"mrs r0, spsr\n" |
"and r0, r0, #0x1f\n" |
"cmp r0, #0x10\n" |
"bne 1f\n" |
/* prev mode was usermode */ |
"ldmfd r13!, {r0}\n" |
"ldr r13, =supervisor_sp\n" |
"ldr r13, [r13]\n" |
"stmfd r13!, {lr}\n" |
"stmfd r13!, {r0-r12}\n" |
"stmfd r13!, {r13, lr}^\n" |
"mrs r0, spsr\n" |
"stmfd r13!, {r0}\n" |
"b 2f\n" |
/* mode was not usermode */ |
"1:\n" |
"stmfd r13!, {r1, r2, r3}\n" |
"mrs r1, cpsr\n" |
"mov r2, lr\n" |
"bic r1, r1, #0x1f\n" |
"orr r1, r1, r0\n" |
"mrs r0, cpsr\n" |
"msr cpsr_c, r1\n" |
"mov r3, r13\n" |
"stmfd r13!, {r2}\n" |
"mov r2, lr\n" |
"stmfd r13!, {r4-r12}\n" |
"mov r1, r13\n" |
/* the following two lines are for debugging */ |
"mov sp, #0\n" |
"mov lr, #0\n" |
"msr cpsr_c, r0\n" |
"ldmfd r13!, {r4, r5, r6, r7}\n" |
"stmfd r1!, {r4, r5, r6}\n" |
"stmfd r1!, {r7}\n" |
"stmfd r1!, {r2}\n" |
"stmfd r1!, {r3}\n" |
"mrs r0, spsr\n" |
"stmfd r1!, {r0}\n" |
"mov r13, r1\n" |
"2:\n" |
); |
} |
/** Returns from exception mode. |
* |
* Previously saved state of registers (including control register) |
* is restored from the stack. |
*/ |
inline static void load_regs() |
{ |
asm volatile( |
"ldmfd r13!, {r0} \n" |
"msr spsr, r0 \n" |
"and r0, r0, #0x1f \n" |
"cmp r0, #0x10 \n" |
"bne 1f \n" |
/* return to user mode */ |
"ldmfd r13!, {r13, lr}^ \n" |
"b 2f \n" |
/* return to non-user mode */ |
"1:\n" |
"ldmfd r13!, {r1, r2} \n" |
"mrs r3, cpsr \n" |
"bic r3, r3, #0x1f \n" |
"orr r3, r3, r0 \n" |
"mrs r0, cpsr \n" |
"msr cpsr_c, r3 \n" |
"mov r13, r1 \n" |
"mov lr, r2 \n" |
"msr cpsr_c, r0 \n" |
/* actual return */ |
"2:\n" |
"ldmfd r13, {r0-r12, pc}^\n" |
); |
} |
/** Switch CPU to mode in which interrupts are serviced (currently it |
* is Undefined mode). |
* |
* The default mode for interrupt servicing (Interrupt Mode) |
* can not be used because of nested interrupts (which can occur |
* because interrupts are enabled in higher levels of interrupt handler). |
*/ |
inline static void switch_to_irq_servicing_mode() |
{ |
/* switch to Undefined mode */ |
asm volatile( |
/* save regs used during switching */ |
"stmfd sp!, {r0-r3} \n" |
/* save stack pointer and link register to r1, r2 */ |
"mov r1, sp \n" |
"mov r2, lr \n" |
/* mode switch */ |
"mrs r0, cpsr \n" |
"bic r0, r0, #0x1f \n" |
"orr r0, r0, #0x1b \n" |
"msr cpsr_c, r0 \n" |
/* restore saved sp and lr */ |
"mov sp, r1 \n" |
"mov lr, r2 \n" |
/* restore original regs */ |
"ldmfd sp!, {r0-r3} \n" |
); |
} |
/** Calls exception dispatch routine. */ |
#define CALL_EXC_DISPATCH(exception) \ |
asm volatile ( \ |
"mov r0, %[exc]\n" \ |
"mov r1, r13\n" \ |
"bl exc_dispatch\n" \ |
:: [exc] "i" (exception) \ |
);\ |
/** General exception handler. |
* |
* Stores registers, dispatches the exception, |
* and finally restores registers and returns from exception processing. |
* |
* @param exception Exception number. |
*/ |
#define PROCESS_EXCEPTION(exception) \ |
setup_stack_and_save_regs(); \ |
CALL_EXC_DISPATCH(exception) \ |
load_regs(); |
/** Updates specified exception vector to jump to given handler. |
* |
* Addresses of handlers are stored in memory following exception vectors. |
*/ |
static void install_handler(unsigned handler_addr, unsigned *vector) |
{ |
/* relative address (related to exc. vector) of the word |
* where handler's address is stored |
*/ |
volatile uint32_t handler_address_ptr = EXC_VECTORS_SIZE - |
PREFETCH_OFFSET; |
/* make it LDR instruction and store at exception vector */ |
*vector = handler_address_ptr | LDR_OPCODE; |
smc_coherence(*vector); |
/* store handler's address */ |
*(vector + EXC_VECTORS) = handler_addr; |
} |
/** Low-level Reset Exception handler. */ |
static void reset_exception_entry(void) |
{ |
PROCESS_EXCEPTION(EXC_RESET); |
} |
/** Low-level Software Interrupt Exception handler. */ |
static void swi_exception_entry(void) |
{ |
PROCESS_EXCEPTION(EXC_SWI); |
} |
/** Low-level Undefined Instruction Exception handler. */ |
static void undef_instr_exception_entry(void) |
{ |
PROCESS_EXCEPTION(EXC_UNDEF_INSTR); |
} |
/** Low-level Fast Interrupt Exception handler. */ |
static void fiq_exception_entry(void) |
{ |
PROCESS_EXCEPTION(EXC_FIQ); |
} |
/** Low-level Prefetch Abort Exception handler. */ |
static void prefetch_abort_exception_entry(void) |
{ |
asm volatile ( |
"sub lr, lr, #4" |
); |
PROCESS_EXCEPTION(EXC_PREFETCH_ABORT); |
} |
/** Low-level Data Abort Exception handler. */ |
static void data_abort_exception_entry(void) |
{ |
asm volatile ( |
"sub lr, lr, #8" |
); |
PROCESS_EXCEPTION(EXC_DATA_ABORT); |
} |
/** Low-level Interrupt Exception handler. |
* |
* CPU is switched to Undefined mode before further interrupt processing |
* because of possible occurence of nested interrupt exception, which |
* would overwrite (and thus spoil) stack pointer. |
*/ |
static void irq_exception_entry(void) |
{ |
asm volatile ( |
"sub lr, lr, #4" |
); |
setup_stack_and_save_regs(); |
switch_to_irq_servicing_mode(); |
CALL_EXC_DISPATCH(EXC_IRQ) |
load_regs(); |
} |
/** Software Interrupt handler. |
* |
* Dispatches the syscall. |
*/ |
static void swi_exception(int exc_no, istate_t *istate) |
{ |
istate->r0 = syscall_handler(istate->r0, istate->r1, istate->r2, |
istate->r3, istate->r4, istate->r5, istate->r6); |
} |
/** Returns the mask of active interrupts. */ |
static inline uint32_t gxemul_irqc_get_sources(void) |
{ |
return *((uint32_t *) gxemul_irqc); |
} |
/** Interrupt Exception handler. |
* |
* Determines the sources of interrupt and calls their handlers. |
*/ |
static void irq_exception(int exc_no, istate_t *istate) |
{ |
uint32_t sources = gxemul_irqc_get_sources(); |
unsigned int i; |
for (i = 0; i < GXEMUL_IRQC_MAX_IRQ; i++) { |
if (sources & (1 << i)) { |
irq_t *irq = irq_dispatch_and_lock(i); |
if (irq) { |
/* The IRQ handler was found. */ |
irq->handler(irq); |
spinlock_unlock(&irq->lock); |
} else { |
/* Spurious interrupt.*/ |
printf("cpu%d: spurious interrupt (inum=%d)\n", |
CPU->id, i); |
} |
} |
} |
} |
/** Fills exception vectors with appropriate exception handlers. */ |
void install_exception_handlers(void) |
{ |
install_handler((unsigned) reset_exception_entry, |
(unsigned *) EXC_RESET_VEC); |
install_handler((unsigned) undef_instr_exception_entry, |
(unsigned *) EXC_UNDEF_INSTR_VEC); |
install_handler((unsigned) swi_exception_entry, |
(unsigned *) EXC_SWI_VEC); |
install_handler((unsigned) prefetch_abort_exception_entry, |
(unsigned *) EXC_PREFETCH_ABORT_VEC); |
install_handler((unsigned) data_abort_exception_entry, |
(unsigned *) EXC_DATA_ABORT_VEC); |
install_handler((unsigned) irq_exception_entry, |
(unsigned *) EXC_IRQ_VEC); |
install_handler((unsigned) fiq_exception_entry, |
(unsigned *) EXC_FIQ_VEC); |
} |
#ifdef HIGH_EXCEPTION_VECTORS |
/** Activates use of high exception vectors addresses. */ |
static void high_vectors(void) |
{ |
uint32_t control_reg; |
asm volatile ( |
"mrc p15, 0, %[control_reg], c1, c1" |
: [control_reg] "=r" (control_reg) |
); |
/* switch on the high vectors bit */ |
control_reg |= CP15_R1_HIGH_VECTORS_BIT; |
asm volatile ( |
"mcr p15, 0, %[control_reg], c1, c1" |
:: [control_reg] "r" (control_reg) |
); |
} |
#endif |
/** Initializes exception handling. |
* |
* Installs low-level exception handlers and then registers |
* exceptions and their handlers to kernel exception dispatcher. |
*/ |
void exception_init(void) |
{ |
#ifdef HIGH_EXCEPTION_VECTORS |
high_vectors(); |
#endif |
install_exception_handlers(); |
exc_register(EXC_IRQ, "interrupt", (iroutine) irq_exception); |
exc_register(EXC_PREFETCH_ABORT, "prefetch abort", |
(iroutine) prefetch_abort); |
exc_register(EXC_DATA_ABORT, "data abort", (iroutine) data_abort); |
exc_register(EXC_SWI, "software interrupt", (iroutine) swi_exception); |
} |
/** Prints #istate_t structure content. |
* |
* @param istate Structure to be printed. |
*/ |
void print_istate(istate_t *istate) |
{ |
printf("istate dump:\n"); |
printf(" r0: %x r1: %x r2: %x r3: %x\n", |
istate->r0, istate->r1, istate->r2, istate->r3); |
printf(" r4: %x r5: %x r6: %x r7: %x\n", |
istate->r4, istate->r5, istate->r6, istate->r7); |
printf(" r8: %x r8: %x r10: %x r11: %x\n", |
istate->r8, istate->r9, istate->r10, istate->r11); |
printf(" r12: %x sp: %x lr: %x spsr: %x\n", |
istate->r12, istate->sp, istate->lr, istate->spsr); |
printf(" pc: %x\n", istate->pc); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/src/panic.S |
---|
0,0 → 1,35 |
# |
# Copyright (c) 2007 Michal Kebrt |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
.text |
.global panic_printf |
panic_printf: |
bl printf |
bl cpu_halt |
/branches/arm/kernel/arch/arm32/src/interrupt.c |
---|
0,0 → 1,148 |
/* |
* Copyright (c) 2007 Petr Stepan |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
* @brief Interrupts controlling routines. |
*/ |
#include <arch/asm.h> |
#include <arch/regutils.h> |
#include <arch/drivers/gxemul.h> |
#include <ddi/irq.h> |
#include <ddi/device.h> |
#include <interrupt.h> |
/** Initial size of a table holding interrupt handlers. */ |
#define IRQ_COUNT 8 |
static irq_t gxemul_timer_irq; |
/** Disable interrupts. |
* |
* @return Old interrupt priority level. |
*/ |
ipl_t interrupts_disable(void) |
{ |
ipl_t ipl = current_status_reg_read(); |
current_status_reg_control_write(STATUS_REG_IRQ_DISABLED_BIT | ipl); |
return ipl; |
} |
/** Enable interrupts. |
* |
* @return Old interrupt priority level. |
*/ |
ipl_t interrupts_enable(void) |
{ |
ipl_t ipl = current_status_reg_read(); |
current_status_reg_control_write(ipl & ~STATUS_REG_IRQ_DISABLED_BIT); |
return ipl; |
} |
/** Restore interrupt priority level. |
* |
* @param ipl Saved interrupt priority level. |
*/ |
void interrupts_restore(ipl_t ipl) |
{ |
current_status_reg_control_write( |
(current_status_reg_read() & ~STATUS_REG_IRQ_DISABLED_BIT) | |
(ipl & STATUS_REG_IRQ_DISABLED_BIT)); |
} |
/** Read interrupt priority level. |
* |
* @return Current interrupt priority level. |
*/ |
ipl_t interrupts_read(void) |
{ |
return current_status_reg_read(); |
} |
/** Starts gxemul Real Time Clock device, which asserts regular interrupts. |
* |
* @param frequency Interrupts frequency (0 disables RTC). |
*/ |
static void gxemul_timer_start(uint32_t frequency) |
{ |
*((uint32_t *) (gxemul_rtc + GXEMUL_RTC_FREQ_OFFSET)) |
= frequency; |
} |
static irq_ownership_t gxemul_timer_claim(irq_t *irq) |
{ |
return IRQ_ACCEPT; |
} |
/** Timer interrupt handler. |
* |
* @param irq Interrupt information. |
* @param arg Not used. |
*/ |
static void gxemul_timer_irq_handler(irq_t *irq) |
{ |
/* |
* We are holding a lock which prevents preemption. |
* Release the lock, call clock() and reacquire the lock again. |
*/ |
spinlock_unlock(&irq->lock); |
clock(); |
spinlock_lock(&irq->lock); |
/* acknowledge tick */ |
*((uint32_t *) (gxemul_rtc + GXEMUL_RTC_ACK_OFFSET)) |
= 0; |
} |
/** Initialize basic tables for exception dispatching |
* and starts the timer. |
*/ |
void interrupt_init(void) |
{ |
irq_init(IRQ_COUNT, IRQ_COUNT); |
irq_initialize(&gxemul_timer_irq); |
gxemul_timer_irq.devno = device_assign_devno(); |
gxemul_timer_irq.inr = GXEMUL_TIMER_IRQ; |
gxemul_timer_irq.claim = gxemul_timer_claim; |
gxemul_timer_irq.handler = gxemul_timer_irq_handler; |
irq_register(&gxemul_timer_irq); |
gxemul_timer_start(GXEMUL_TIMER_FREQ); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/src/drivers/gxemul.c |
---|
0,0 → 1,51 |
/* |
* Copyright (c) 2007 Michal Kebrt, Petr Stepan |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32gxemul |
* @{ |
*/ |
/** @file |
* @brief GXemul drivers. |
*/ |
#include <arch/drivers/gxemul.h> |
#include <mm/page.h> |
void *gxemul_kbd; |
void *gxemul_rtc; |
void *gxemul_irqc; |
void gxemul_init(void) |
{ |
gxemul_kbd = (void *) hw_map(GXEMUL_KBD_ADDRESS, PAGE_SIZE); |
gxemul_rtc = (void *) hw_map(GXEMUL_RTC_ADDRESS, PAGE_SIZE); |
gxemul_irqc = (void *) hw_map(GXEMUL_IRQC_ADDRESS, PAGE_SIZE); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/src/cpu/cpu.c |
---|
0,0 → 1,131 |
/* |
* Copyright (c) 2007 Michal Kebrt |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
* @brief CPU identification. |
*/ |
#include <arch/cpu.h> |
#include <cpu.h> |
#include <arch.h> |
#include <print.h> |
/** Number of indexes left out in the #imp_data array */ |
#define IMP_DATA_START_OFFSET 0x40 |
/** Implementators (vendor) names */ |
static char *imp_data[] = { |
"?", /* IMP_DATA_START_OFFSET */ |
"ARM Ltd", /* 0x41 */ |
"", /* 0x42 */ |
"", /* 0x43 */ |
"Digital Equipment Corporation", /* 0x44 */ |
"", "", "", "", "", "", "", "", "", "", /* 0x45 - 0x4e */ |
"", "", "", "", "", "", "", "", "", "", /* 0x4f - 0x58 */ |
"", "", "", "", "", "", "", "", "", "", /* 0x59 - 0x62 */ |
"", "", "", "", "", "", /* 0x63 - 0x68 */ |
"Intel Corporation" /* 0x69 */ |
}; |
/** Length of the #imp_data array */ |
static unsigned int imp_data_length = sizeof(imp_data) / sizeof(char *); |
/** Architecture names */ |
static char *arch_data[] = { |
"?", /* 0x0 */ |
"4", /* 0x1 */ |
"4T", /* 0x2 */ |
"5", /* 0x3 */ |
"5T", /* 0x4 */ |
"5TE", /* 0x5 */ |
"5TEJ", /* 0x6 */ |
"6" /* 0x7 */ |
}; |
/** Length of the #arch_data array */ |
static unsigned int arch_data_length = sizeof(arch_data) / sizeof(char *); |
/** Retrieves processor identification from CP15 register 0. |
* |
* @param cpu Structure for storing CPU identification. |
*/ |
static void arch_cpu_identify(cpu_arch_t *cpu) |
{ |
uint32_t ident; |
asm volatile ( |
"mrc p15, 0, %[ident], c0, c0, 0\n" |
: [ident] "=r" (ident) |
); |
cpu->imp_num = ident >> 24; |
cpu->variant_num = (ident << 8) >> 28; |
cpu->arch_num = (ident << 12) >> 28; |
cpu->prim_part_num = (ident << 16) >> 20; |
cpu->rev_num = (ident << 28) >> 28; |
} |
/** Does nothing on ARM. */ |
void cpu_arch_init(void) |
{ |
} |
/** Retrieves processor identification and stores it to #CPU.arch */ |
void cpu_identify(void) |
{ |
arch_cpu_identify(&CPU->arch); |
} |
/** Prints CPU identification. */ |
void cpu_print_report(cpu_t *m) |
{ |
char * vendor = imp_data[0]; |
char * architecture = arch_data[0]; |
cpu_arch_t * cpu_arch = &m->arch; |
if ((cpu_arch->imp_num) > 0 && |
(cpu_arch->imp_num < (imp_data_length + IMP_DATA_START_OFFSET))) { |
vendor = imp_data[cpu_arch->imp_num - IMP_DATA_START_OFFSET]; |
} |
if ((cpu_arch->arch_num) > 0 && |
(cpu_arch->arch_num < arch_data_length)) { |
architecture = arch_data[cpu_arch->arch_num]; |
} |
printf("cpu%d: vendor=%s, architecture=ARM%s, part number=%x, " |
"variant=%x, revision=%x\n", |
m->id, vendor, architecture, cpu_arch->prim_part_num, |
cpu_arch->variant_num, cpu_arch->rev_num); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/src/userspace.c |
---|
0,0 → 1,106 |
/* |
* Copyright (c) 2007 Petr Stepan, Pavel Jancik |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
* @brief Userspace switch. |
*/ |
#include <userspace.h> |
/** Struct for holding all general purpose registers. |
* |
* Used to set registers when going to userspace. |
*/ |
typedef struct { |
uint32_t r0; |
uint32_t r1; |
uint32_t r2; |
uint32_t r3; |
uint32_t r4; |
uint32_t r5; |
uint32_t r6; |
uint32_t r7; |
uint32_t r8; |
uint32_t r9; |
uint32_t r10; |
uint32_t r11; |
uint32_t r12; |
uint32_t sp; |
uint32_t lr; |
uint32_t pc; |
} ustate_t; |
/** Changes processor mode and jumps to the address specified in the first |
* parameter. |
* |
* @param kernel_uarg Userspace settings (entry point, stack, ...). |
*/ |
void userspace(uspace_arg_t *kernel_uarg) |
{ |
volatile ustate_t ustate; |
/* set first parameter */ |
ustate.r0 = (uintptr_t) kernel_uarg->uspace_uarg; |
/* %r1 is defined to hold pcb_ptr - set it to 0 */ |
ustate.r1 = 0; |
/* clear other registers */ |
ustate.r2 = ustate.r3 = ustate.r4 = ustate.r5 = |
ustate.r6 = ustate.r7 = ustate.r8 = ustate.r9 = ustate.r10 = |
ustate.r11 = ustate.r12 = ustate.lr = 0; |
/* set user stack */ |
ustate.sp = ((uint32_t)kernel_uarg->uspace_stack) + PAGE_SIZE; |
/* set where uspace execution starts */ |
ustate.pc = (uintptr_t) kernel_uarg->uspace_entry; |
/* status register in user mode */ |
ipl_t user_mode = current_status_reg_read() & |
(~STATUS_REG_MODE_MASK | USER_MODE); |
/* set user mode, set registers, jump */ |
asm volatile ( |
"mov sp, %[ustate]\n" |
"msr spsr_c, %[user_mode]\n" |
"ldmfd sp!, {r0-r12, sp, lr}^\n" |
"ldmfd sp!, {pc}^\n" |
:: [ustate] "r" (&ustate), [user_mode] "r" (user_mode) |
); |
/* unreachable */ |
while(1) |
; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/src/start.S |
---|
0,0 → 1,58 |
# |
# Copyright (c) 2007 Michal Kebrt |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include <arch/asm/boot.h> |
.text |
.global kernel_image_start |
.global exc_stack |
.global supervisor_sp |
kernel_image_start: |
# switch to supervisor mode |
mrs r3, cpsr |
bic r3, r3, #0x1f |
orr r3, r3, #0x13 |
msr cpsr_c, r3 |
ldr sp, =temp_stack |
bl arch_pre_main |
bl main_bsp |
.space TEMP_STACK_SIZE |
temp_stack: |
.space 1024 |
exc_stack: |
supervisor_sp: |
.space 4 |
/branches/arm/kernel/arch/arm32/src/ddi/ddi.c |
---|
0,0 → 1,56 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32ddi |
* @{ |
*/ |
/** @file |
* @brief DDI. |
*/ |
#include <ddi/ddi.h> |
#include <proc/task.h> |
#include <arch/types.h> |
/** Enable I/O space range for task. |
* |
* Interrupts are disabled and task is locked. |
* |
* @param task Task. |
* @param ioaddr Startign I/O space address. |
* @param size Size of the enabled I/O range. |
* |
* @return 0 on success or an error code from errno.h. |
*/ |
int ddi_iospace_enable_arch(task_t *task, uintptr_t ioaddr, size_t size) |
{ |
return 0; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/arm32/src/context.S |
---|
0,0 → 1,59 |
# |
# Copyright (c) 2007 Petr Stepan |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
.text |
.global context_save_arch |
.global context_restore_arch |
context_save_arch: |
stmfd sp!, {r1} |
mrs r1, cpsr |
and r1, r1, #0x1f |
stmia r0!, {r1} |
ldmfd sp!, {r1} |
stmia r0!, {sp, lr} |
stmia r0!, {r4-r11} |
mov r0, #1 |
mov pc, lr |
context_restore_arch: |
ldmia r0!, {r4} |
mrs r5, cpsr |
bic r5, r5, #0x1f |
orr r5, r5, r4 |
msr cpsr_c, r5 |
ldmia r0!, {sp, lr} |
ldmia r0!, {r4-r11} |
mov r0, #0 |
mov pc, lr |
/branches/arm/kernel/arch/arm32/src/dummy.S |
---|
0,0 → 1,64 |
# |
# Copyright (c) 2007 Michal Kebry, Pavel Jancik, Petr Stepan |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
.text |
.global calibrate_delay_loop |
.global asm_delay_loop |
.global fpu_context_restore |
.global fpu_context_save |
.global fpu_enable |
.global fpu_init |
.global sys_tls_set |
.global dummy |
calibrate_delay_loop: |
mov pc, lr |
asm_delay_loop: |
mov pc, lr |
fpu_context_restore: |
mov pc, lr |
fpu_context_save: |
mov pc, lr |
fpu_enable: |
mov pc, lr |
fpu_init: |
mov pc, lr |
# not used on ARM |
sys_tls_set: |
dummy: |
mov pc, lr |
/branches/arm/kernel/arch/arm32/_link.ld.in |
---|
0,0 → 1,52 |
/* |
* ARM linker script |
* |
* kernel text |
* kernel data |
* |
*/ |
#define KERNEL_LOAD_ADDRESS 0x80200000 |
OUTPUT_ARCH(arm) |
ENTRY(kernel_image_start) |
SECTIONS { |
. = KERNEL_LOAD_ADDRESS; |
.text : { |
ktext_start = .; |
*(.text); |
ktext_end = .; |
} |
.data : { |
kdata_start = .; |
*(.data); /* initialized data */ |
hardcoded_ktext_size = .; |
LONG(ktext_end - ktext_start); |
hardcoded_kdata_size = .; |
LONG(kdata_end - kdata_start); |
hardcoded_load_address = .; |
LONG(KERNEL_LOAD_ADDRESS); |
*(.bss); /* uninitialized static variables */ |
*(COMMON); /* global variables */ |
*(.rodata*); |
*(.sdata); |
*(.reginfo); |
symbol_table = .; |
*(symtab.*); |
} |
.sbss : { |
*(.sbss); |
*(.scommon); |
} |
kdata_end = .; |
/DISCARD/ : { |
*(.mdebug*); |
*(.pdr); |
*(.comment); |
*(.note); |
} |
} |
/branches/arm/kernel/arch/amd64/include/types.h |
---|
0,0 → 1,105 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_TYPES_H_ |
#define KERN_amd64_TYPES_H_ |
typedef signed char int8_t; |
typedef signed short int16_t; |
typedef signed int int32_t; |
typedef signed long long int64_t; |
typedef unsigned char uint8_t; |
typedef unsigned short uint16_t; |
typedef unsigned int uint32_t; |
typedef unsigned long long uint64_t; |
typedef uint64_t size_t; |
typedef uint64_t uintptr_t; |
typedef uint64_t pfn_t; |
typedef uint64_t ipl_t; |
typedef uint64_t unative_t; |
typedef int64_t native_t; |
typedef struct { |
} fncptr_t; |
/**< Formats for uintptr_t, size_t */ |
#define PRIp "llx" |
#define PRIs "llu" |
/**< Formats for (u)int8_t, (u)int16_t, (u)int32_t, (u)int64_t and (u)native_t */ |
#define PRId8 "d" |
#define PRId16 "d" |
#define PRId32 "d" |
#define PRId64 "lld" |
#define PRIdn "lld" |
#define PRIu8 "u" |
#define PRIu16 "u" |
#define PRIu32 "u" |
#define PRIu64 "llu" |
#define PRIun "llu" |
#define PRIx8 "x" |
#define PRIx16 "x" |
#define PRIx32 "x" |
#define PRIx64 "llx" |
#define PRIxn "llx" |
/** Page Table Entry. */ |
typedef struct { |
unsigned present : 1; |
unsigned writeable : 1; |
unsigned uaccessible : 1; |
unsigned page_write_through : 1; |
unsigned page_cache_disable : 1; |
unsigned accessed : 1; |
unsigned dirty : 1; |
unsigned unused: 1; |
unsigned global : 1; |
unsigned soft_valid : 1; /**< Valid content even if present bit is cleared. */ |
unsigned avl : 2; |
unsigned addr_12_31 : 30; |
unsigned addr_32_51 : 21; |
unsigned no_execute : 1; |
} __attribute__ ((packed)) pte_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/proc/task.h |
---|
0,0 → 1,51 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64proc |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_TASK_H_ |
#define KERN_amd64_TASK_H_ |
#include <arch/types.h> |
#include <adt/bitmap.h> |
typedef struct { |
/** I/O Permission bitmap Generation counter. */ |
size_t iomapver; |
/** I/O Permission bitmap. */ |
bitmap_t iomap; |
} task_arch_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/proc/thread.h |
---|
0,0 → 1,54 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64proc |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_THREAD_H_ |
#define KERN_amd64_THREAD_H_ |
/* CAUTION: keep these in sync with low level assembly code in syscall_entry */ |
#define SYSCALL_USTACK_RSP 0 |
#define SYSCALL_KSTACK_RSP 1 |
typedef struct { |
unative_t tls; |
/** User and kernel RSP for syscalls. */ |
uint64_t syscall_rsp[2]; |
} thread_arch_t; |
#define thr_constructor_arch(t) |
#define thr_destructor_arch(t) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/mm/page.h |
---|
0,0 → 1,227 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64mm |
* @{ |
*/ |
/** @file |
*/ |
/** Paging on AMD64 |
* |
* The space is divided in positive numbers - userspace and |
* negative numbers - kernel space. The 'negative' space starting |
* with 0xffff800000000000 and ending with 0xffffffff80000000 |
* (-2GB) is identically mapped physical memory. The area |
* (0xffffffff80000000 ... 0xffffffffffffffff is again identically |
* mapped first 2GB. |
* |
* ATTENTION - PA2KA(KA2PA(x)) != x if 'x' is in kernel |
*/ |
#ifndef KERN_amd64_PAGE_H_ |
#define KERN_amd64_PAGE_H_ |
#include <arch/mm/frame.h> |
#define PAGE_WIDTH FRAME_WIDTH |
#define PAGE_SIZE FRAME_SIZE |
#ifdef KERNEL |
#ifndef __ASM__ |
# include <mm/mm.h> |
# include <arch/types.h> |
# include <arch/interrupt.h> |
static inline uintptr_t ka2pa(uintptr_t x) |
{ |
if (x > 0xffffffff80000000) |
return x - 0xffffffff80000000; |
else |
return x - 0xffff800000000000; |
} |
# define KA2PA(x) ka2pa((uintptr_t) x) |
# define PA2KA_CODE(x) (((uintptr_t) (x)) + 0xffffffff80000000) |
# define PA2KA(x) (((uintptr_t) (x)) + 0xffff800000000000) |
#else |
# define KA2PA(x) ((x) - 0xffffffff80000000) |
# define PA2KA(x) ((x) + 0xffffffff80000000) |
#endif |
/* Number of entries in each level. */ |
#define PTL0_ENTRIES_ARCH 512 |
#define PTL1_ENTRIES_ARCH 512 |
#define PTL2_ENTRIES_ARCH 512 |
#define PTL3_ENTRIES_ARCH 512 |
/* Page table sizes for each level. */ |
#define PTL0_SIZE_ARCH ONE_FRAME |
#define PTL1_SIZE_ARCH ONE_FRAME |
#define PTL2_SIZE_ARCH ONE_FRAME |
#define PTL3_SIZE_ARCH ONE_FRAME |
/* Macros calculating indices into page tables in each level. */ |
#define PTL0_INDEX_ARCH(vaddr) (((vaddr) >> 39) & 0x1ff) |
#define PTL1_INDEX_ARCH(vaddr) (((vaddr) >> 30) & 0x1ff) |
#define PTL2_INDEX_ARCH(vaddr) (((vaddr) >> 21) & 0x1ff) |
#define PTL3_INDEX_ARCH(vaddr) (((vaddr) >> 12) & 0x1ff) |
/* Get PTE address accessors for each level. */ |
#define GET_PTL1_ADDRESS_ARCH(ptl0, i) \ |
((pte_t *) ((((uint64_t) ((pte_t *) (ptl0))[(i)].addr_12_31) << 12) | \ |
(((uint64_t) ((pte_t *) (ptl0))[(i)].addr_32_51) << 32))) |
#define GET_PTL2_ADDRESS_ARCH(ptl1, i) \ |
((pte_t *) ((((uint64_t) ((pte_t *) (ptl1))[(i)].addr_12_31) << 12) | \ |
(((uint64_t) ((pte_t *) (ptl1))[(i)].addr_32_51) << 32))) |
#define GET_PTL3_ADDRESS_ARCH(ptl2, i) \ |
((pte_t *) ((((uint64_t) ((pte_t *) (ptl2))[(i)].addr_12_31) << 12) | \ |
(((uint64_t) ((pte_t *) (ptl2))[(i)].addr_32_51) << 32))) |
#define GET_FRAME_ADDRESS_ARCH(ptl3, i) \ |
((uintptr_t *) \ |
((((uint64_t) ((pte_t *) (ptl3))[(i)].addr_12_31) << 12) | \ |
(((uint64_t) ((pte_t *) (ptl3))[(i)].addr_32_51) << 32))) |
/* Set PTE address accessors for each level. */ |
#define SET_PTL0_ADDRESS_ARCH(ptl0) \ |
(write_cr3((uintptr_t) (ptl0))) |
#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a) \ |
set_pt_addr((pte_t *) (ptl0), (size_t) (i), a) |
#define SET_PTL2_ADDRESS_ARCH(ptl1, i, a) \ |
set_pt_addr((pte_t *) (ptl1), (size_t) (i), a) |
#define SET_PTL3_ADDRESS_ARCH(ptl2, i, a) \ |
set_pt_addr((pte_t *) (ptl2), (size_t) (i), a) |
#define SET_FRAME_ADDRESS_ARCH(ptl3, i, a) \ |
set_pt_addr((pte_t *) (ptl3), (size_t) (i), a) |
/* Get PTE flags accessors for each level. */ |
#define GET_PTL1_FLAGS_ARCH(ptl0, i) \ |
get_pt_flags((pte_t *) (ptl0), (size_t) (i)) |
#define GET_PTL2_FLAGS_ARCH(ptl1, i) \ |
get_pt_flags((pte_t *) (ptl1), (size_t) (i)) |
#define GET_PTL3_FLAGS_ARCH(ptl2, i) \ |
get_pt_flags((pte_t *) (ptl2), (size_t) (i)) |
#define GET_FRAME_FLAGS_ARCH(ptl3, i) \ |
get_pt_flags((pte_t *) (ptl3), (size_t) (i)) |
/* Set PTE flags accessors for each level. */ |
#define SET_PTL1_FLAGS_ARCH(ptl0, i, x) \ |
set_pt_flags((pte_t *) (ptl0), (size_t) (i), (x)) |
#define SET_PTL2_FLAGS_ARCH(ptl1, i, x) \ |
set_pt_flags((pte_t *) (ptl1), (size_t) (i), (x)) |
#define SET_PTL3_FLAGS_ARCH(ptl2, i, x) \ |
set_pt_flags((pte_t *) (ptl2), (size_t) (i), (x)) |
#define SET_FRAME_FLAGS_ARCH(ptl3, i, x) \ |
set_pt_flags((pte_t *) (ptl3), (size_t) (i), (x)) |
/* Macros for querying the last-level PTE entries. */ |
#define PTE_VALID_ARCH(p) \ |
(*((uint64_t *) (p)) != 0) |
#define PTE_PRESENT_ARCH(p) \ |
((p)->present != 0) |
#define PTE_GET_FRAME_ARCH(p) \ |
((((uintptr_t) (p)->addr_12_31) << 12) | \ |
((uintptr_t) (p)->addr_32_51 << 32)) |
#define PTE_WRITABLE_ARCH(p) \ |
((p)->writeable != 0) |
#define PTE_EXECUTABLE_ARCH(p) \ |
((p)->no_execute == 0) |
#ifndef __ASM__ |
/* Page fault error codes. */ |
/** When bit on this position is 0, the page fault was caused by a not-present |
* page. |
*/ |
#define PFERR_CODE_P (1 << 0) |
/** When bit on this position is 1, the page fault was caused by a write. */ |
#define PFERR_CODE_RW (1 << 1) |
/** When bit on this position is 1, the page fault was caused in user mode. */ |
#define PFERR_CODE_US (1 << 2) |
/** When bit on this position is 1, a reserved bit was set in page directory. */ |
#define PFERR_CODE_RSVD (1 << 3) |
/** When bit on this position os 1, the page fault was caused during instruction |
* fecth. |
*/ |
#define PFERR_CODE_ID (1 << 4) |
static inline int get_pt_flags(pte_t *pt, size_t i) |
{ |
pte_t *p = &pt[i]; |
return ((!p->page_cache_disable) << PAGE_CACHEABLE_SHIFT | |
(!p->present) << PAGE_PRESENT_SHIFT | |
p->uaccessible << PAGE_USER_SHIFT | |
1 << PAGE_READ_SHIFT | |
p->writeable << PAGE_WRITE_SHIFT | |
(!p->no_execute) << PAGE_EXEC_SHIFT | |
p->global << PAGE_GLOBAL_SHIFT); |
} |
static inline void set_pt_addr(pte_t *pt, size_t i, uintptr_t a) |
{ |
pte_t *p = &pt[i]; |
p->addr_12_31 = (a >> 12) & 0xfffff; |
p->addr_32_51 = a >> 32; |
} |
static inline void set_pt_flags(pte_t *pt, size_t i, int flags) |
{ |
pte_t *p = &pt[i]; |
p->page_cache_disable = !(flags & PAGE_CACHEABLE); |
p->present = !(flags & PAGE_NOT_PRESENT); |
p->uaccessible = (flags & PAGE_USER) != 0; |
p->writeable = (flags & PAGE_WRITE) != 0; |
p->no_execute = (flags & PAGE_EXEC) == 0; |
p->global = (flags & PAGE_GLOBAL) != 0; |
/* |
* Ensure that there is at least one bit set even if the present bit is cleared. |
*/ |
p->soft_valid = 1; |
} |
extern void page_arch_init(void); |
extern void page_fault(int n, istate_t *istate); |
#endif /* __ASM__ */ |
#endif /* KERNEL */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/mm/frame.h |
---|
0,0 → 1,54 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_FRAME_H_ |
#define KERN_amd64_FRAME_H_ |
#ifndef __ASM__ |
#include <arch/types.h> |
#endif /* __ASM__ */ |
#define FRAME_WIDTH 12 /* 4K */ |
#define FRAME_SIZE (1 << FRAME_WIDTH) |
#ifndef __ASM__ |
extern uintptr_t last_frame; |
extern void frame_arch_init(void); |
extern void physmem_print(void); |
#endif /* __ASM__ */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/mm/tlb.h |
---|
0,0 → 1,41 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_TLB_H_ |
#define KERN_amd64_TLB_H_ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/mm/as.h |
---|
0,0 → 1,64 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_AS_H_ |
#define KERN_amd64_AS_H_ |
#define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 0 |
#define KERNEL_ADDRESS_SPACE_START_ARCH (unsigned long) 0xffff800000000000 |
#define KERNEL_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffff80000000 |
#define USER_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000 |
#define USER_ADDRESS_SPACE_END_ARCH (unsigned long) 0x00007fffffffffff |
#define USTACK_ADDRESS_ARCH (USER_ADDRESS_SPACE_END_ARCH-(PAGE_SIZE-1)) |
#define as_constructor_arch(as, flags) (as != as) |
#define as_destructor_arch(as) (as != as) |
#define as_create_arch(as, flags) (as != as) |
#define as_install_arch(as) |
#define as_deinstall_arch(as) |
#define as_invalidate_translation_cache(as, page, cnt) |
typedef struct { |
} as_arch_t; |
#include <genarch/mm/as_pt.h> |
extern void as_arch_init(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/mm/ptl.h |
---|
0,0 → 1,51 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_PTL_H_ |
#define KERN_amd64_PTL_H_ |
#define PTL_NO_EXEC (1<<63) |
#define PTL_ACCESSED (1<<5) |
#define PTL_CACHE_DISABLE (1<<4) |
#define PTL_CACHE_THROUGH (1<<3) |
#define PTL_USER (1<<2) |
#define PTL_WRITABLE (1<<1) |
#define PTL_PRESENT 1 |
#define PTL_2MB_PAGE (1<<7) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/mm/asid.h |
---|
0,0 → 1,0 |
link ../../../ia32/include/mm/asid.h |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/amd64/include/cpu.h |
---|
0,0 → 1,85 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_CPU_H_ |
#define KERN_amd64_CPU_H_ |
#define RFLAGS_IF (1 << 9) |
#define RFLAGS_DF (1 << 10) |
#define RFLAGS_RF (1 << 16) |
#define EFER_MSR_NUM 0xc0000080 |
#define AMD_SCE_FLAG 0 |
#define AMD_LME_FLAG 8 |
#define AMD_LMA_FLAG 10 |
#define AMD_FFXSR_FLAG 14 |
#define AMD_NXE_FLAG 11 |
/* MSR registers */ |
#define AMD_MSR_STAR 0xc0000081 |
#define AMD_MSR_LSTAR 0xc0000082 |
#define AMD_MSR_SFMASK 0xc0000084 |
#define AMD_MSR_FS 0xc0000100 |
#define AMD_MSR_GS 0xc0000101 |
#ifndef __ASM__ |
#include <arch/pm.h> |
typedef struct { |
int vendor; |
int family; |
int model; |
int stepping; |
tss_t *tss; |
size_t iomapver_copy; /** Copy of TASK's I/O Permission bitmap generation count. */ |
} cpu_arch_t; |
struct star_msr { |
}; |
struct lstar_msr { |
}; |
extern void set_efer_flag(int flag); |
extern uint64_t read_efer_flag(void); |
void cpu_setup_fpu(void); |
#endif /* __ASM__ */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/atomic.h |
---|
0,0 → 1,138 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_ATOMIC_H_ |
#define KERN_amd64_ATOMIC_H_ |
#include <arch/types.h> |
#include <arch/barrier.h> |
#include <preemption.h> |
static inline void atomic_inc(atomic_t *val) { |
#ifdef CONFIG_SMP |
asm volatile ( |
"lock incq %[count]\n" |
: [count] "+m" (val->count) |
); |
#else |
asm volatile ( |
"incq %[count]\n" |
: [count] "+m" (val->count) |
); |
#endif /* CONFIG_SMP */ |
} |
static inline void atomic_dec(atomic_t *val) { |
#ifdef CONFIG_SMP |
asm volatile ( |
"lock decq %[count]\n" |
: [count] "+m" (val->count) |
); |
#else |
asm volatile ( |
"decq %[count]\n" |
: [count] "+m" (val->count) |
); |
#endif /* CONFIG_SMP */ |
} |
static inline long atomic_postinc(atomic_t *val) |
{ |
long r = 1; |
asm volatile ( |
"lock xaddq %[r], %[count]\n" |
: [count] "+m" (val->count), [r] "+r" (r) |
); |
return r; |
} |
static inline long atomic_postdec(atomic_t *val) |
{ |
long r = -1; |
asm volatile ( |
"lock xaddq %[r], %[count]\n" |
: [count] "+m" (val->count), [r] "+r" (r) |
); |
return r; |
} |
#define atomic_preinc(val) (atomic_postinc(val) + 1) |
#define atomic_predec(val) (atomic_postdec(val) - 1) |
static inline uint64_t test_and_set(atomic_t *val) { |
uint64_t v; |
asm volatile ( |
"movq $1, %[v]\n" |
"xchgq %[v], %[count]\n" |
: [v] "=r" (v), [count] "+m" (val->count) |
); |
return v; |
} |
/** amd64 specific fast spinlock */ |
static inline void atomic_lock_arch(atomic_t *val) |
{ |
uint64_t tmp; |
preemption_disable(); |
asm volatile ( |
"0:\n" |
"pause\n" |
"mov %[count], %[tmp]\n" |
"testq %[tmp], %[tmp]\n" |
"jnz 0b\n" /* lightweight looping on locked spinlock */ |
"incq %[tmp]\n" /* now use the atomic operation */ |
"xchgq %[count], %[tmp]\n" |
"testq %[tmp], %[tmp]\n" |
"jnz 0b\n" |
: [count] "+m" (val->count), [tmp] "=&r" (tmp) |
); |
/* |
* Prevent critical section code from bleeding out this way up. |
*/ |
CS_ENTER_BARRIER(); |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/cpuid.h |
---|
0,0 → 1,67 |
/* |
* Copyright (c) 2001-2004 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_CPUID_H_ |
#define KERN_amd64_CPUID_H_ |
#define AMD_CPUID_EXTENDED 0x80000001 |
#define AMD_EXT_NOEXECUTE 20 |
#define AMD_EXT_LONG_MODE 29 |
#define INTEL_CPUID_LEVEL 0x00000000 |
#define INTEL_CPUID_STANDARD 0x00000001 |
#define INTEL_CPUID_EXTENDED 0x80000000 |
#define INTEL_SSE2 26 |
#define INTEL_FXSAVE 24 |
#ifndef __ASM__ |
#include <arch/types.h> |
typedef struct { |
uint32_t cpuid_eax; |
uint32_t cpuid_ebx; |
uint32_t cpuid_ecx; |
uint32_t cpuid_edx; |
} __attribute__ ((packed)) cpu_info_t; |
extern int has_cpuid(void); |
extern void cpuid(uint32_t cmd, cpu_info_t *info); |
#endif /* !def __ASM__ */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/pm.h |
---|
0,0 → 1,188 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_PM_H_ |
#define KERN_amd64_PM_H_ |
#ifndef __ASM__ |
#include <arch/types.h> |
#include <arch/context.h> |
#endif |
#define IDT_ITEMS 64 |
#define GDT_ITEMS 8 |
#define NULL_DES 0 |
/* Warning: Do not reorder the following items, unless you look into syscall.c! */ |
#define KTEXT_DES 1 |
#define KDATA_DES 2 |
#define UDATA_DES 3 |
#define UTEXT_DES 4 |
#define KTEXT32_DES 5 |
/* End of warning */ |
#define TSS_DES 6 |
#ifdef CONFIG_FB |
#define VESA_INIT_DES 8 |
#define VESA_INIT_SEGMENT 0x8000 |
#undef GDT_ITEMS |
#define GDT_ITEMS 9 |
#endif /* CONFIG_FB */ |
#define gdtselector(des) ((des) << 3) |
#define idtselector(des) ((des) << 4) |
#define PL_KERNEL 0 |
#define PL_USER 3 |
#define AR_PRESENT ( 1 << 7) |
#define AR_DATA (2 << 3) |
#define AR_CODE (3 << 3) |
#define AR_WRITABLE (1 << 1) |
#define AR_READABLE (1 << 1) |
#define AR_TSS (0x09) |
#define AR_INTERRUPT (0x0e) |
#define AR_TRAP (0x0f) |
#define DPL_KERNEL (PL_KERNEL << 5) |
#define DPL_USER (PL_USER << 5) |
#define TSS_BASIC_SIZE 104 |
#define TSS_IOMAP_SIZE (16 * 1024 + 1) /* 16K for bitmap + 1 terminating byte for convenience */ |
#define IO_PORTS (64 * 1024) |
#ifndef __ASM__ |
typedef struct { |
unsigned limit_0_15: 16; |
unsigned base_0_15: 16; |
unsigned base_16_23: 8; |
unsigned access: 8; |
unsigned limit_16_19: 4; |
unsigned available: 1; |
unsigned longmode: 1; |
unsigned special: 1; |
unsigned granularity : 1; |
unsigned base_24_31: 8; |
} __attribute__ ((packed)) descriptor_t; |
typedef struct { |
unsigned limit_0_15: 16; |
unsigned base_0_15: 16; |
unsigned base_16_23: 8; |
unsigned type: 4; |
unsigned : 1; |
unsigned dpl : 2; |
unsigned present : 1; |
unsigned limit_16_19: 4; |
unsigned available: 1; |
unsigned : 2; |
unsigned granularity : 1; |
unsigned base_24_31: 8; |
unsigned base_32_63 : 32; |
unsigned : 32; |
} __attribute__ ((packed)) tss_descriptor_t; |
typedef struct { |
unsigned offset_0_15: 16; |
unsigned selector: 16; |
unsigned ist:3; |
unsigned unused: 5; |
unsigned type: 5; |
unsigned dpl: 2; |
unsigned present : 1; |
unsigned offset_16_31: 16; |
unsigned offset_32_63: 32; |
unsigned : 32; |
} __attribute__ ((packed)) idescriptor_t; |
typedef struct { |
uint16_t limit; |
uint64_t base; |
} __attribute__ ((packed)) ptr_16_64_t; |
typedef struct { |
uint16_t limit; |
uint32_t base; |
} __attribute__ ((packed)) ptr_16_32_t; |
typedef struct { |
uint32_t reserve1; |
uint64_t rsp0; |
uint64_t rsp1; |
uint64_t rsp2; |
uint64_t reserve2; |
uint64_t ist1; |
uint64_t ist2; |
uint64_t ist3; |
uint64_t ist4; |
uint64_t ist5; |
uint64_t ist6; |
uint64_t ist7; |
uint64_t reserve3; |
uint16_t reserve4; |
uint16_t iomap_base; |
uint8_t iomap[TSS_IOMAP_SIZE]; |
} __attribute__ ((packed)) tss_t; |
extern tss_t *tss_p; |
extern descriptor_t gdt[]; |
extern idescriptor_t idt[]; |
extern ptr_16_64_t gdtr; |
extern ptr_16_32_t bootstrap_gdtr; |
extern ptr_16_32_t protected_ap_gdtr; |
extern void pm_init(void); |
extern void gdt_tss_setbase(descriptor_t *d, uintptr_t base); |
extern void gdt_tss_setlimit(descriptor_t *d, uint32_t limit); |
extern void idt_init(void); |
extern void idt_setoffset(idescriptor_t *d, uintptr_t offset); |
extern void tss_initialize(tss_t *t); |
#endif /* __ASM__ */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/asm.h |
---|
0,0 → 1,434 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_ASM_H_ |
#define KERN_amd64_ASM_H_ |
#include <config.h> |
#include <arch/types.h> |
#include <typedefs.h> |
extern void asm_delay_loop(uint32_t t); |
extern void asm_fake_loop(uint32_t t); |
/** Return base address of current stack. |
* |
* Return the base address of the current stack. |
* The stack is assumed to be STACK_SIZE bytes long. |
* The stack must start on page boundary. |
* |
*/ |
static inline uintptr_t get_stack_base(void) |
{ |
uintptr_t v; |
asm volatile ( |
"andq %%rsp, %[v]\n" |
: [v] "=r" (v) |
: "0" (~((uint64_t) STACK_SIZE-1)) |
); |
return v; |
} |
static inline void cpu_sleep(void) |
{ |
asm volatile ("hlt\n"); |
} |
static inline void cpu_halt(void) |
{ |
asm volatile ( |
"0:\n" |
" hlt\n" |
" jmp 0b\n" |
); |
} |
/** Byte from port |
* |
* Get byte from port |
* |
* @param port Port to read from |
* @return Value read |
* |
*/ |
static inline uint8_t pio_read_8(ioport8_t *port) |
{ |
uint8_t val; |
asm volatile ( |
"inb %w[port], %b[val]\n" |
: [val] "=a" (val) |
: [port] "d" (port) |
); |
return val; |
} |
/** Word from port |
* |
* Get word from port |
* |
* @param port Port to read from |
* @return Value read |
* |
*/ |
static inline uint16_t pio_read_16(ioport16_t *port) |
{ |
uint16_t val; |
asm volatile ( |
"inw %w[port], %w[val]\n" |
: [val] "=a" (val) |
: [port] "d" (port) |
); |
return val; |
} |
/** Double word from port |
* |
* Get double word from port |
* |
* @param port Port to read from |
* @return Value read |
* |
*/ |
static inline uint32_t pio_read_32(ioport32_t *port) |
{ |
uint32_t val; |
asm volatile ( |
"inl %w[port], %[val]\n" |
: [val] "=a" (val) |
: [port] "d" (port) |
); |
return val; |
} |
/** Byte to port |
* |
* Output byte to port |
* |
* @param port Port to write to |
* @param val Value to write |
* |
*/ |
static inline void pio_write_8(ioport8_t *port, uint8_t val) |
{ |
asm volatile ( |
"outb %b[val], %w[port]\n" |
:: [val] "a" (val), [port] "d" (port) |
); |
} |
/** Word to port |
* |
* Output word to port |
* |
* @param port Port to write to |
* @param val Value to write |
* |
*/ |
static inline void pio_write_16(ioport16_t *port, uint16_t val) |
{ |
asm volatile ( |
"outw %w[val], %w[port]\n" |
:: [val] "a" (val), [port] "d" (port) |
); |
} |
/** Double word to port |
* |
* Output double word to port |
* |
* @param port Port to write to |
* @param val Value to write |
* |
*/ |
static inline void pio_write_32(ioport32_t *port, uint32_t val) |
{ |
asm volatile ( |
"outl %[val], %w[port]\n" |
:: [val] "a" (val), [port] "d" (port) |
); |
} |
/** Swap Hidden part of GS register with visible one */ |
static inline void swapgs(void) |
{ |
asm volatile("swapgs"); |
} |
/** Enable interrupts. |
* |
* Enable interrupts and return previous |
* value of EFLAGS. |
* |
* @return Old interrupt priority level. |
* |
*/ |
static inline ipl_t interrupts_enable(void) { |
ipl_t v; |
asm volatile ( |
"pushfq\n" |
"popq %[v]\n" |
"sti\n" |
: [v] "=r" (v) |
); |
return v; |
} |
/** Disable interrupts. |
* |
* Disable interrupts and return previous |
* value of EFLAGS. |
* |
* @return Old interrupt priority level. |
* |
*/ |
static inline ipl_t interrupts_disable(void) { |
ipl_t v; |
asm volatile ( |
"pushfq\n" |
"popq %[v]\n" |
"cli\n" |
: [v] "=r" (v) |
); |
return v; |
} |
/** Restore interrupt priority level. |
* |
* Restore EFLAGS. |
* |
* @param ipl Saved interrupt priority level. |
* |
*/ |
static inline void interrupts_restore(ipl_t ipl) { |
asm volatile ( |
"pushq %[ipl]\n" |
"popfq\n" |
:: [ipl] "r" (ipl) |
); |
} |
/** Return interrupt priority level. |
* |
* Return EFLAFS. |
* |
* @return Current interrupt priority level. |
* |
*/ |
static inline ipl_t interrupts_read(void) { |
ipl_t v; |
asm volatile ( |
"pushfq\n" |
"popq %[v]\n" |
: [v] "=r" (v) |
); |
return v; |
} |
/** Write to MSR */ |
static inline void write_msr(uint32_t msr, uint64_t value) |
{ |
asm volatile ( |
"wrmsr\n" |
:: "c" (msr), |
"a" ((uint32_t) (value)), |
"d" ((uint32_t) (value >> 32)) |
); |
} |
static inline unative_t read_msr(uint32_t msr) |
{ |
uint32_t ax, dx; |
asm volatile ( |
"rdmsr\n" |
: "=a" (ax), "=d" (dx) |
: "c" (msr) |
); |
return ((uint64_t) dx << 32) | ax; |
} |
/** Enable local APIC |
* |
* Enable local APIC in MSR. |
* |
*/ |
static inline void enable_l_apic_in_msr() |
{ |
asm volatile ( |
"movl $0x1b, %%ecx\n" |
"rdmsr\n" |
"orl $(1 << 11),%%eax\n" |
"orl $(0xfee00000),%%eax\n" |
"wrmsr\n" |
::: "%eax","%ecx","%edx" |
); |
} |
static inline uintptr_t * get_ip() |
{ |
uintptr_t *ip; |
asm volatile ( |
"mov %%rip, %[ip]" |
: [ip] "=r" (ip) |
); |
return ip; |
} |
/** Invalidate TLB Entry. |
* |
* @param addr Address on a page whose TLB entry is to be invalidated. |
* |
*/ |
static inline void invlpg(uintptr_t addr) |
{ |
asm volatile ( |
"invlpg %[addr]\n" |
:: [addr] "m" (*((unative_t *) addr)) |
); |
} |
/** Load GDTR register from memory. |
* |
* @param gdtr_reg Address of memory from where to load GDTR. |
* |
*/ |
static inline void gdtr_load(ptr_16_64_t *gdtr_reg) |
{ |
asm volatile ( |
"lgdtq %[gdtr_reg]\n" |
:: [gdtr_reg] "m" (*gdtr_reg) |
); |
} |
/** Store GDTR register to memory. |
* |
* @param gdtr_reg Address of memory to where to load GDTR. |
* |
*/ |
static inline void gdtr_store(ptr_16_64_t *gdtr_reg) |
{ |
asm volatile ( |
"sgdtq %[gdtr_reg]\n" |
:: [gdtr_reg] "m" (*gdtr_reg) |
); |
} |
/** Load IDTR register from memory. |
* |
* @param idtr_reg Address of memory from where to load IDTR. |
* |
*/ |
static inline void idtr_load(ptr_16_64_t *idtr_reg) |
{ |
asm volatile ( |
"lidtq %[idtr_reg]\n" |
:: [idtr_reg] "m" (*idtr_reg)); |
} |
/** Load TR from descriptor table. |
* |
* @param sel Selector specifying descriptor of TSS segment. |
* |
*/ |
static inline void tr_load(uint16_t sel) |
{ |
asm volatile ( |
"ltr %[sel]" |
:: [sel] "r" (sel) |
); |
} |
#define GEN_READ_REG(reg) static inline unative_t read_ ##reg (void) \ |
{ \ |
unative_t res; \ |
asm volatile ( \ |
"movq %%" #reg ", %[res]" \ |
: [res] "=r" (res) \ |
); \ |
return res; \ |
} |
#define GEN_WRITE_REG(reg) static inline void write_ ##reg (unative_t regn) \ |
{ \ |
asm volatile ( \ |
"movq %[regn], %%" #reg \ |
:: [regn] "r" (regn) \ |
); \ |
} |
GEN_READ_REG(cr0) |
GEN_READ_REG(cr2) |
GEN_READ_REG(cr3) |
GEN_WRITE_REG(cr3) |
GEN_READ_REG(dr0) |
GEN_READ_REG(dr1) |
GEN_READ_REG(dr2) |
GEN_READ_REG(dr3) |
GEN_READ_REG(dr6) |
GEN_READ_REG(dr7) |
GEN_WRITE_REG(dr0) |
GEN_WRITE_REG(dr1) |
GEN_WRITE_REG(dr2) |
GEN_WRITE_REG(dr3) |
GEN_WRITE_REG(dr6) |
GEN_WRITE_REG(dr7) |
extern size_t interrupt_handler_size; |
extern void interrupt_handlers(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/boot/boot.h |
---|
0,0 → 1,59 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_BOOT_H_ |
#define KERN_amd64_BOOT_H_ |
#define BOOT_OFFSET 0x108000 |
#define AP_BOOT_OFFSET 0x8000 |
#define BOOT_STACK_SIZE 0x400 |
#define MULTIBOOT_HEADER_MAGIC 0x1BADB002 |
#define MULTIBOOT_HEADER_FLAGS 0x00010003 |
#ifndef __ASM__ |
#ifdef CONFIG_SMP |
/* This is only a symbol so the type is dummy. Obtain the value using &. */ |
extern int _hardcoded_unmapped_size; |
#endif /* CONFIG_SMP */ |
#endif /* __ASM__ */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/boot/memmap.h |
---|
0,0 → 1,0 |
link ../../../ia32/include/boot/memmap.h |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/amd64/include/arch.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_ARCH_H_ |
#define KERN_amd64_ARCH_H_ |
#include <genarch/multiboot/multiboot.h> |
extern void arch_pre_main(uint32_t, const multiboot_info_t *); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/interrupt.h |
---|
0,0 → 1,118 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64interrupt |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_INTERRUPT_H_ |
#define KERN_amd64_INTERRUPT_H_ |
#include <arch/types.h> |
#include <arch/pm.h> |
#define IVT_ITEMS IDT_ITEMS |
#define IVT_FIRST 0 |
#define EXC_COUNT 32 |
#define IRQ_COUNT 16 |
#define IVT_EXCBASE 0 |
#define IVT_IRQBASE (IVT_EXCBASE + EXC_COUNT) |
#define IVT_FREEBASE (IVT_IRQBASE + IRQ_COUNT) |
#define IRQ_CLK 0 |
#define IRQ_KBD 1 |
#define IRQ_PIC1 2 |
#define IRQ_PIC_SPUR 7 |
#define IRQ_MOUSE 12 |
/* this one must have four least significant bits set to ones */ |
#define VECTOR_APIC_SPUR (IVT_ITEMS - 1) |
#if (((VECTOR_APIC_SPUR + 1) % 16) || VECTOR_APIC_SPUR >= IVT_ITEMS) |
#error Wrong definition of VECTOR_APIC_SPUR |
#endif |
#define VECTOR_DEBUG 1 |
#define VECTOR_CLK (IVT_IRQBASE + IRQ_CLK) |
#define VECTOR_PIC_SPUR (IVT_IRQBASE + IRQ_PIC_SPUR) |
#define VECTOR_SYSCALL IVT_FREEBASE |
#define VECTOR_TLB_SHOOTDOWN_IPI (IVT_FREEBASE + 1) |
#define VECTOR_DEBUG_IPI (IVT_FREEBASE + 2) |
/** This is passed to interrupt handlers */ |
typedef struct { |
uint64_t rax; |
uint64_t rcx; |
uint64_t rdx; |
uint64_t rsi; |
uint64_t rdi; |
uint64_t r8; |
uint64_t r9; |
uint64_t r10; |
uint64_t r11; |
uint64_t error_word; |
uint64_t rip; |
uint64_t cs; |
uint64_t rflags; |
uint64_t stack[]; /* Additional data on stack */ |
} istate_t; |
/** Return true if exception happened while in userspace */ |
static inline int istate_from_uspace(istate_t *istate) |
{ |
return !(istate->rip & 0x8000000000000000); |
} |
static inline void istate_set_retaddr(istate_t *istate, uintptr_t retaddr) |
{ |
istate->rip = retaddr; |
} |
static inline unative_t istate_get_pc(istate_t *istate) |
{ |
return istate->rip; |
} |
extern void (* disable_irqs_function)(uint16_t irqmask); |
extern void (* enable_irqs_function)(uint16_t irqmask); |
extern void (* eoi_function)(void); |
extern void decode_istate(int n, istate_t *istate); |
extern void interrupt_init(void); |
extern void trap_virtual_enable_irqs(uint16_t irqmask); |
extern void trap_virtual_disable_irqs(uint16_t irqmask); |
/* AMD64 - specific page handler */ |
extern void ident_page_fault(int n, istate_t *istate); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/drivers |
---|
0,0 → 1,0 |
link ../../ia32/include/drivers |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/amd64/include/syscall.h |
---|
0,0 → 1,43 |
/* |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_SYSCALL_H_ |
#define KERN_amd64_SYSCALL_H_ |
extern void syscall_setup_cpu(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/memstr.h |
---|
0,0 → 1,48 |
/* |
* Copyright (c) 2005 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_MEMSTR_H_ |
#define KERN_amd64_MEMSTR_H_ |
#define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt)) |
extern void memsetw(void *dst, size_t cnt, uint16_t x); |
extern void memsetb(void *dst, size_t cnt, uint8_t x); |
extern int memcmp(const void *a, const void *b, size_t cnt); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/context_offset.h |
---|
0,0 → 1,79 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef KERN_amd64_CONTEXT_OFFSET_H_ |
#define KERN_amd64_CONTEXT_OFFSET_H_ |
#define OFFSET_SP 0x0 |
#define OFFSET_PC 0x8 |
#define OFFSET_RBX 0x10 |
#define OFFSET_RBP 0x18 |
#define OFFSET_R12 0x20 |
#define OFFSET_R13 0x28 |
#define OFFSET_R14 0x30 |
#define OFFSET_R15 0x38 |
#ifdef KERNEL |
# define OFFSET_IPL 0x40 |
#else |
# define OFFSET_TLS 0x40 |
#endif |
#ifdef __ASM__ |
# ctx: address of the structure with saved context |
# pc: return address |
.macro CONTEXT_SAVE_ARCH_CORE ctx:req pc:req |
movq \pc, OFFSET_PC(\ctx) |
movq %rsp, OFFSET_SP(\ctx) |
movq %rbx, OFFSET_RBX(\ctx) |
movq %rbp, OFFSET_RBP(\ctx) |
movq %r12, OFFSET_R12(\ctx) |
movq %r13, OFFSET_R13(\ctx) |
movq %r14, OFFSET_R14(\ctx) |
movq %r15, OFFSET_R15(\ctx) |
.endm |
# ctx: address of the structure with saved context |
.macro CONTEXT_RESTORE_ARCH_CORE ctx:req pc:req |
movq OFFSET_R15(\ctx), %r15 |
movq OFFSET_R14(\ctx), %r14 |
movq OFFSET_R13(\ctx), %r13 |
movq OFFSET_R12(\ctx), %r12 |
movq OFFSET_RBP(\ctx), %rbp |
movq OFFSET_RBX(\ctx), %rbx |
movq OFFSET_SP(\ctx), %rsp # ctx->sp -> %rsp |
movq OFFSET_PC(\ctx), \pc |
.endm |
#endif |
#endif |
/branches/arm/kernel/arch/amd64/include/context.h |
---|
0,0 → 1,71 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_CONTEXT_H_ |
#define KERN_amd64_CONTEXT_H_ |
#ifdef KERNEL |
#include <arch/types.h> |
/* According to ABI the stack MUST be aligned on |
* 16-byte boundary. If it is not, the va_arg calling will |
* panic sooner or later |
*/ |
#define SP_DELTA 16 |
#endif /* KERNEL */ |
/* We include only registers that must be preserved |
* during function call |
*/ |
typedef struct { |
uintptr_t sp; |
uintptr_t pc; |
uint64_t rbx; |
uint64_t rbp; |
uint64_t r12; |
uint64_t r13; |
uint64_t r14; |
uint64_t r15; |
ipl_t ipl; |
} __attribute__ ((packed)) context_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/debugger.h |
---|
0,0 → 1,57 |
/* |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64debug |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_DEBUGGER_H_ |
#define KERN_amd64_DEBUGGER_H_ |
#include <arch/types.h> |
#define BKPOINTS_MAX 4 |
/* Flags that are passed to breakpoint_add function */ |
#define BKPOINT_INSTR 0x1 |
#define BKPOINT_WRITE 0x2 |
#define BKPOINT_READ_WRITE 0x4 |
#define BKPOINT_CHECK_ZERO 0x8 |
extern void debugger_init(void); |
extern int breakpoint_add(const void *where, const int flags, int curidx); |
extern void breakpoint_del(int slot); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/cycle.h |
---|
0,0 → 1,43 |
/* |
* Copyright (c) 2006 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_CYCLE_H_ |
#define KERN_amd64_CYCLE_H_ |
extern uint64_t get_cycle(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/elf.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2006 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_ELF_H_ |
#define KERN_amd64_ELF_H_ |
#define ELF_MACHINE EM_X86_64 |
#define ELF_DATA_ENCODING ELFDATA2LSB |
#define ELF_CLASS ELFCLASS64 |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/arg.h |
---|
0,0 → 1,44 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_ARG_H_ |
#define KERN_amd64_ARG_H_ |
#include <stdarg.h> |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/ddi/ddi.h |
---|
0,0 → 1,46 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64ddi |
* @{ |
*/ |
/** |
* @file |
* @brief amd64 specific DDI declarations and macros. |
*/ |
#ifndef KERN_amd64_DDI_H_ |
#define KERN_amd64_DDI_H_ |
extern void io_perm_bitmap_install(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/faddr.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_FADDR_H_ |
#define KERN_amd64_FADDR_H_ |
#include <arch/types.h> |
#define FADDR(fptr) ((uintptr_t) (fptr)) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/include/debug.h |
---|
0,0 → 1,0 |
link ../../ia32/include/debug.h |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/amd64/include/fpu_context.h |
---|
0,0 → 1,0 |
link ../../ia32/include/fpu_context.h |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/amd64/include/bios |
---|
0,0 → 1,0 |
link ../../ia32/include/bios |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/amd64/include/smp |
---|
0,0 → 1,0 |
link ../../ia32/include/smp |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/amd64/include/barrier.h |
---|
0,0 → 1,0 |
link ../../ia32/include/barrier.h |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/amd64/Makefile.inc |
---|
0,0 → 1,91 |
# |
# Copyright (c) 2005 Martin Decky |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
## Toolchain configuration |
# |
BFD_NAME = elf64-x86-64 |
BFD_ARCH = i386:x86-64 |
BFD = binary |
TARGET = amd64-linux-gnu |
TOOLCHAIN_DIR = $(CROSS_PREFIX)/amd64 |
FPU_NO_CFLAGS = -mno-sse -mno-sse2 |
CMN1 = -m64 -mcmodel=kernel -mno-red-zone -fno-unwind-tables |
GCC_CFLAGS += $(CMN1) |
ICC_CFLAGS += $(CMN1) |
SUNCC_CFLAGS += -m64 -xmodel=kernel |
BITS = 64 |
ENDIANESS = LE |
## Accepted CPUs |
# |
ifeq ($(PROCESSOR),opteron) |
CMN2 := -march=opteron |
GCC_CFLAGS += $(CMN2) |
ICC_CFLAGS += $(CMN2) |
SUNCC_CFLAGS += -xtarget=opteron |
endif |
ARCH_SOURCES = \ |
arch/$(KARCH)/src/fpu_context.c \ |
arch/$(KARCH)/src/boot/boot.S \ |
arch/$(KARCH)/src/boot/memmap.c \ |
arch/$(KARCH)/src/pm.c \ |
arch/$(KARCH)/src/context.S \ |
arch/$(KARCH)/src/ddi/ddi.c \ |
arch/$(KARCH)/src/drivers/vesa.c \ |
arch/$(KARCH)/src/drivers/i8254.c \ |
arch/$(KARCH)/src/drivers/i8259.c \ |
arch/$(KARCH)/src/delay.S \ |
arch/$(KARCH)/src/amd64.c \ |
arch/$(KARCH)/src/bios/bios.c \ |
arch/$(KARCH)/src/interrupt.c \ |
arch/$(KARCH)/src/mm/as.c \ |
arch/$(KARCH)/src/mm/frame.c \ |
arch/$(KARCH)/src/mm/page.c \ |
arch/$(KARCH)/src/mm/tlb.c \ |
arch/$(KARCH)/src/asm_utils.S \ |
arch/$(KARCH)/src/cpu/cpu.c \ |
arch/$(KARCH)/src/proc/scheduler.c \ |
arch/$(KARCH)/src/proc/task.c \ |
arch/$(KARCH)/src/proc/thread.c \ |
arch/$(KARCH)/src/userspace.c \ |
arch/$(KARCH)/src/syscall.c \ |
arch/$(KARCH)/src/debugger.c |
ifeq ($(CONFIG_SMP),y) |
ARCH_SOURCES += \ |
arch/$(KARCH)/src/smp/ap.S \ |
arch/$(KARCH)/src/smp/apic.c \ |
arch/$(KARCH)/src/smp/ipi.c \ |
arch/$(KARCH)/src/smp/mps.c \ |
arch/$(KARCH)/src/smp/smp.c |
endif |
/branches/arm/kernel/arch/amd64/src/ddi/ddi.c |
---|
0,0 → 1,169 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64ddi |
* @{ |
*/ |
/** @file |
*/ |
#include <ddi/ddi.h> |
#include <arch/ddi/ddi.h> |
#include <proc/task.h> |
#include <arch/types.h> |
#include <adt/bitmap.h> |
#include <mm/slab.h> |
#include <arch/pm.h> |
#include <errno.h> |
#include <arch/cpu.h> |
#include <arch.h> |
#include <align.h> |
/** Enable I/O space range for task. |
* |
* Interrupts are disabled and task is locked. |
* |
* @param task Task. |
* @param ioaddr Startign I/O space address. |
* @param size Size of the enabled I/O range. |
* |
* @return 0 on success or an error code from errno.h. |
*/ |
int ddi_iospace_enable_arch(task_t *task, uintptr_t ioaddr, size_t size) |
{ |
size_t bits; |
bits = ioaddr + size; |
if (bits > IO_PORTS) |
return ENOENT; |
if (task->arch.iomap.bits < bits) { |
bitmap_t oldiomap; |
uint8_t *newmap; |
/* |
* The I/O permission bitmap is too small and needs to be grown. |
*/ |
newmap = (uint8_t *) malloc(BITS2BYTES(bits), FRAME_ATOMIC); |
if (!newmap) |
return ENOMEM; |
bitmap_initialize(&oldiomap, task->arch.iomap.map, |
task->arch.iomap.bits); |
bitmap_initialize(&task->arch.iomap, newmap, bits); |
/* |
* Mark the new range inaccessible. |
*/ |
bitmap_set_range(&task->arch.iomap, oldiomap.bits, |
bits - oldiomap.bits); |
/* |
* In case there really existed smaller iomap, |
* copy its contents and deallocate it. |
*/ |
if (oldiomap.bits) { |
bitmap_copy(&task->arch.iomap, &oldiomap, |
oldiomap.bits); |
free(oldiomap.map); |
} |
} |
/* |
* Enable the range and we are done. |
*/ |
bitmap_clear_range(&task->arch.iomap, (size_t) ioaddr, (size_t) size); |
/* |
* Increment I/O Permission bitmap generation counter. |
*/ |
task->arch.iomapver++; |
return 0; |
} |
/** Install I/O Permission bitmap. |
* |
* Current task's I/O permission bitmap, if any, is installed |
* in the current CPU's TSS. |
* |
* Interrupts must be disabled prior this call. |
*/ |
void io_perm_bitmap_install(void) |
{ |
size_t bits; |
ptr_16_64_t cpugdtr; |
descriptor_t *gdt_p; |
tss_descriptor_t *tss_desc; |
size_t ver; |
/* First, copy the I/O Permission Bitmap. */ |
spinlock_lock(&TASK->lock); |
ver = TASK->arch.iomapver; |
if ((bits = TASK->arch.iomap.bits)) { |
bitmap_t iomap; |
ASSERT(TASK->arch.iomap.map); |
bitmap_initialize(&iomap, CPU->arch.tss->iomap, |
TSS_IOMAP_SIZE * 8); |
bitmap_copy(&iomap, &TASK->arch.iomap, TASK->arch.iomap.bits); |
/* |
* It is safe to set the trailing eight bits because of the |
* extra convenience byte in TSS_IOMAP_SIZE. |
*/ |
bitmap_set_range(&iomap, ALIGN_UP(TASK->arch.iomap.bits, 8), 8); |
} |
spinlock_unlock(&TASK->lock); |
/* |
* Second, adjust TSS segment limit. |
* Take the extra ending byte will all bits set into account. |
*/ |
gdtr_store(&cpugdtr); |
gdt_p = (descriptor_t *) cpugdtr.base; |
gdt_tss_setlimit(&gdt_p[TSS_DES], TSS_BASIC_SIZE + BITS2BYTES(bits)); |
gdtr_load(&cpugdtr); |
/* |
* Before we load new TSS limit, the current TSS descriptor |
* type must be changed to describe inactive TSS. |
*/ |
tss_desc = (tss_descriptor_t *) &gdt_p[TSS_DES]; |
tss_desc->type = AR_TSS; |
tr_load(gdtselector(TSS_DES)); |
/* |
* Update the generation count so that faults caused by |
* early accesses can be serviced. |
*/ |
CPU->arch.iomapver_copy = ver; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/src/interrupt.c |
---|
0,0 → 1,230 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64interrupt |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/interrupt.h> |
#include <print.h> |
#include <debug.h> |
#include <panic.h> |
#include <arch/drivers/i8259.h> |
#include <func.h> |
#include <cpu.h> |
#include <arch/asm.h> |
#include <mm/tlb.h> |
#include <mm/as.h> |
#include <arch.h> |
#include <arch/asm.h> |
#include <proc/scheduler.h> |
#include <proc/thread.h> |
#include <proc/task.h> |
#include <synch/spinlock.h> |
#include <arch/ddi/ddi.h> |
#include <interrupt.h> |
#include <ddi/irq.h> |
#include <symtab.h> |
/* |
* Interrupt and exception dispatching. |
*/ |
void (* disable_irqs_function)(uint16_t irqmask) = NULL; |
void (* enable_irqs_function)(uint16_t irqmask) = NULL; |
void (* eoi_function)(void) = NULL; |
void decode_istate(int n, istate_t *istate) |
{ |
char *symbol; |
symbol = symtab_fmt_name_lookup(istate->rip); |
printf("-----EXCEPTION(%d) OCCURED----- ( %s )\n", n, __func__); |
printf("%%rip: %#llx (%s)\n", istate->rip, symbol); |
printf("ERROR_WORD=%#llx\n", istate->error_word); |
printf("%%cs=%#llx, rflags=%#llx, %%cr0=%#llx\n", istate->cs, |
istate->rflags, read_cr0()); |
printf("%%rax=%#llx, %%rcx=%#llx, %%rdx=%#llx\n", istate->rax, |
istate->rcx, istate->rdx); |
printf("%%rsi=%#llx, %%rdi=%#llx, %%r8=%#llx\n", istate->rsi, |
istate->rdi, istate->r8); |
printf("%%r9=%#llx, %%r10=%#llx, %%r11=%#llx\n", istate->r9, |
istate->r10, istate->r11); |
printf("%%rsp=%#llx\n", &istate->stack[0]); |
} |
static void trap_virtual_eoi(void) |
{ |
if (eoi_function) |
eoi_function(); |
else |
panic("No eoi_function."); |
} |
static void null_interrupt(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "Unserviced interrupt: %d.", n); |
decode_istate(n, istate); |
panic("Unserviced interrupt."); |
} |
/** General Protection Fault. */ |
static void gp_fault(int n, istate_t *istate) |
{ |
if (TASK) { |
size_t ver; |
spinlock_lock(&TASK->lock); |
ver = TASK->arch.iomapver; |
spinlock_unlock(&TASK->lock); |
if (CPU->arch.iomapver_copy != ver) { |
/* |
* This fault can be caused by an early access |
* to I/O port because of an out-dated |
* I/O Permission bitmap installed on CPU. |
* Install the fresh copy and restart |
* the instruction. |
*/ |
io_perm_bitmap_install(); |
return; |
} |
fault_if_from_uspace(istate, "General protection fault."); |
} |
decode_istate(n, istate); |
panic("General protection fault."); |
} |
static void ss_fault(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "Stack fault."); |
decode_istate(n, istate); |
panic("Stack fault."); |
} |
static void nm_fault(int n, istate_t *istate) |
{ |
#ifdef CONFIG_FPU_LAZY |
scheduler_fpu_lazy_request(); |
#else |
fault_if_from_uspace(istate, "FPU fault."); |
panic("FPU fault."); |
#endif |
} |
#ifdef CONFIG_SMP |
static void tlb_shootdown_ipi(int n, istate_t *istate) |
{ |
trap_virtual_eoi(); |
tlb_shootdown_ipi_recv(); |
} |
#endif |
/** Handler of IRQ exceptions */ |
static void irq_interrupt(int n, istate_t *istate) |
{ |
ASSERT(n >= IVT_IRQBASE); |
int inum = n - IVT_IRQBASE; |
bool ack = false; |
ASSERT(inum < IRQ_COUNT); |
ASSERT((inum != IRQ_PIC_SPUR) && (inum != IRQ_PIC1)); |
irq_t *irq = irq_dispatch_and_lock(inum); |
if (irq) { |
/* |
* The IRQ handler was found. |
*/ |
if (irq->preack) { |
/* Send EOI before processing the interrupt */ |
trap_virtual_eoi(); |
ack = true; |
} |
irq->handler(irq); |
spinlock_unlock(&irq->lock); |
} else { |
/* |
* Spurious interrupt. |
*/ |
#ifdef CONFIG_DEBUG |
printf("cpu%d: spurious interrupt (inum=%d)\n", CPU->id, inum); |
#endif |
} |
if (!ack) |
trap_virtual_eoi(); |
} |
void interrupt_init(void) |
{ |
int i; |
for (i = 0; i < IVT_ITEMS; i++) |
exc_register(i, "null", (iroutine) null_interrupt); |
for (i = 0; i < IRQ_COUNT; i++) { |
if ((i != IRQ_PIC_SPUR) && (i != IRQ_PIC1)) |
exc_register(IVT_IRQBASE + i, "irq", |
(iroutine) irq_interrupt); |
} |
exc_register(7, "nm_fault", (iroutine) nm_fault); |
exc_register(12, "ss_fault", (iroutine) ss_fault); |
exc_register(13, "gp_fault", (iroutine) gp_fault); |
exc_register(14, "ident_mapper", (iroutine) ident_page_fault); |
#ifdef CONFIG_SMP |
exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown", |
(iroutine) tlb_shootdown_ipi); |
#endif |
} |
void trap_virtual_enable_irqs(uint16_t irqmask) |
{ |
if (enable_irqs_function) |
enable_irqs_function(irqmask); |
else |
panic("No enable_irqs_function."); |
} |
void trap_virtual_disable_irqs(uint16_t irqmask) |
{ |
if (disable_irqs_function) |
disable_irqs_function(irqmask); |
else |
panic("No disable_irqs_function."); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/src/amd64.c |
---|
0,0 → 1,297 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch.h> |
#include <arch/types.h> |
#include <config.h> |
#include <proc/thread.h> |
#include <genarch/multiboot/multiboot.h> |
#include <genarch/drivers/legacy/ia32/io.h> |
#include <genarch/drivers/ega/ega.h> |
#include <arch/drivers/vesa.h> |
#include <genarch/drivers/i8042/i8042.h> |
#include <genarch/kbrd/kbrd.h> |
#include <arch/drivers/i8254.h> |
#include <arch/drivers/i8259.h> |
#include <arch/boot/boot.h> |
#ifdef CONFIG_SMP |
#include <arch/smp/apic.h> |
#endif |
#include <arch/bios/bios.h> |
#include <arch/cpu.h> |
#include <print.h> |
#include <arch/cpuid.h> |
#include <genarch/acpi/acpi.h> |
#include <panic.h> |
#include <interrupt.h> |
#include <arch/syscall.h> |
#include <arch/debugger.h> |
#include <syscall/syscall.h> |
#include <console/console.h> |
#include <ddi/irq.h> |
#include <sysinfo/sysinfo.h> |
/** Disable I/O on non-privileged levels |
* |
* Clean IOPL(12,13) and NT(14) flags in EFLAGS register |
*/ |
static void clean_IOPL_NT_flags(void) |
{ |
asm volatile ( |
"pushfq\n" |
"pop %%rax\n" |
"and $~(0x7000), %%rax\n" |
"pushq %%rax\n" |
"popfq\n" |
::: "%rax" |
); |
} |
/** Disable alignment check |
* |
* Clean AM(18) flag in CR0 register |
*/ |
static void clean_AM_flag(void) |
{ |
asm volatile ( |
"mov %%cr0, %%rax\n" |
"and $~(0x40000), %%rax\n" |
"mov %%rax, %%cr0\n" |
::: "%rax" |
); |
} |
/** Perform amd64-specific initialization before main_bsp() is called. |
* |
* @param signature Should contain the multiboot signature. |
* @param mi Pointer to the multiboot information structure. |
*/ |
void arch_pre_main(uint32_t signature, const multiboot_info_t *mi) |
{ |
/* Parse multiboot information obtained from the bootloader. */ |
multiboot_info_parse(signature, mi); |
#ifdef CONFIG_SMP |
/* Copy AP bootstrap routines below 1 MB. */ |
memcpy((void *) AP_BOOT_OFFSET, (void *) BOOT_OFFSET, |
(size_t) &_hardcoded_unmapped_size); |
#endif |
} |
void arch_pre_mm_init(void) |
{ |
/* Enable no-execute pages */ |
set_efer_flag(AMD_NXE_FLAG); |
/* Enable FPU */ |
cpu_setup_fpu(); |
/* Initialize segmentation */ |
pm_init(); |
/* Disable I/O on nonprivileged levels |
* clear the NT (nested-thread) flag |
*/ |
clean_IOPL_NT_flags(); |
/* Disable alignment check */ |
clean_AM_flag(); |
if (config.cpu_active == 1) { |
interrupt_init(); |
bios_init(); |
/* PIC */ |
i8259_init(); |
} |
} |
void arch_post_mm_init(void) |
{ |
if (config.cpu_active == 1) { |
/* Initialize IRQ routing */ |
irq_init(IRQ_COUNT, IRQ_COUNT); |
/* hard clock */ |
i8254_init(); |
#ifdef CONFIG_FB |
if (vesa_present()) |
vesa_init(); |
else |
#endif |
#ifdef CONFIG_EGA |
ega_init(EGA_BASE, EGA_VIDEORAM); /* video */ |
#else |
{} |
#endif |
/* Enable debugger */ |
debugger_init(); |
/* Merge all memory zones to 1 big zone */ |
zone_merge_all(); |
} |
/* Setup fast SYSCALL/SYSRET */ |
syscall_setup_cpu(); |
} |
void arch_post_cpu_init() |
{ |
#ifdef CONFIG_SMP |
if (config.cpu_active > 1) { |
l_apic_init(); |
l_apic_debug(); |
} |
#endif |
} |
void arch_pre_smp_init(void) |
{ |
if (config.cpu_active == 1) { |
#ifdef CONFIG_SMP |
acpi_init(); |
#endif /* CONFIG_SMP */ |
} |
} |
void arch_post_smp_init(void) |
{ |
#ifdef CONFIG_PC_KBD |
/* |
* Initialize the i8042 controller. Then initialize the keyboard |
* module and connect it to i8042. Enable keyboard interrupts. |
*/ |
i8042_instance_t *i8042_instance = i8042_init((i8042_t *) I8042_BASE, IRQ_KBD); |
if (i8042_instance) { |
kbrd_instance_t *kbrd_instance = kbrd_init(); |
if (kbrd_instance) { |
indev_t *sink = stdin_wire(); |
indev_t *kbrd = kbrd_wire(kbrd_instance, sink); |
i8042_wire(i8042_instance, kbrd); |
trap_virtual_enable_irqs(1 << IRQ_KBD); |
} |
} |
/* |
* This is the necessary evil until the userspace driver is entirely |
* self-sufficient. |
*/ |
sysinfo_set_item_val("kbd", NULL, true); |
sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD); |
sysinfo_set_item_val("kbd.address.physical", NULL, |
(uintptr_t) I8042_BASE); |
sysinfo_set_item_val("kbd.address.kernel", NULL, |
(uintptr_t) I8042_BASE); |
#endif |
} |
void calibrate_delay_loop(void) |
{ |
i8254_calibrate_delay_loop(); |
if (config.cpu_active == 1) { |
/* |
* This has to be done only on UP. |
* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
*/ |
i8254_normal_operation(); |
} |
} |
/** Set thread-local-storage pointer |
* |
* TLS pointer is set in FS register. Unfortunately the 64-bit |
* part can be set only in CPL0 mode. |
* |
* The specs say, that on %fs:0 there is stored contents of %fs register, |
* we need not to go to CPL0 to read it. |
*/ |
unative_t sys_tls_set(unative_t addr) |
{ |
THREAD->arch.tls = addr; |
write_msr(AMD_MSR_FS, addr); |
return 0; |
} |
/** Acquire console back for kernel |
* |
*/ |
void arch_grab_console(void) |
{ |
#ifdef CONFIG_FB |
if (vesa_present()) |
vesa_redraw(); |
else |
#endif |
#ifdef CONFIG_EGA |
ega_redraw(); |
#else |
{} |
#endif |
} |
/** Return console to userspace |
* |
*/ |
void arch_release_console(void) |
{ |
} |
/** Construct function pointer |
* |
* @param fptr function pointer structure |
* @param addr function address |
* @param caller calling function address |
* |
* @return address of the function pointer |
* |
*/ |
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
{ |
return addr; |
} |
void arch_reboot(void) |
{ |
#ifdef CONFIG_PC_KBD |
i8042_cpu_reset((i8042_t *) I8042_BASE); |
#endif |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/src/pm.c |
---|
0,0 → 1,234 |
/* |
* Copyright (c) 2008 Jakub Jermar |
* Copyright (c) 2005-2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch.h> |
#include <arch/pm.h> |
#include <arch/asm.h> |
#include <mm/as.h> |
#include <mm/frame.h> |
#include <memstr.h> |
#include <mm/slab.h> |
/* |
* There is no segmentation in long mode so we set up flat mode. In this |
* mode, we use, for each privilege level, two segments spanning the |
* whole memory. One is for code and one is for data. |
*/ |
descriptor_t gdt[GDT_ITEMS] = { |
/* NULL descriptor */ |
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
/* KTEXT descriptor */ |
{ .limit_0_15 = 0xffff, |
.base_0_15 = 0, |
.base_16_23 = 0, |
.access = AR_PRESENT | AR_CODE | DPL_KERNEL | AR_READABLE, |
.limit_16_19 = 0xf, |
.available = 0, |
.longmode = 1, |
.special = 0, |
.granularity = 1, |
.base_24_31 = 0 }, |
/* KDATA descriptor */ |
{ .limit_0_15 = 0xffff, |
.base_0_15 = 0, |
.base_16_23 = 0, |
.access = AR_PRESENT | AR_DATA | AR_WRITABLE | DPL_KERNEL, |
.limit_16_19 = 0xf, |
.available = 0, |
.longmode = 0, |
.special = 0, |
.granularity = 1, |
.base_24_31 = 0 }, |
/* UDATA descriptor */ |
{ .limit_0_15 = 0xffff, |
.base_0_15 = 0, |
.base_16_23 = 0, |
.access = AR_PRESENT | AR_DATA | AR_WRITABLE | DPL_USER, |
.limit_16_19 = 0xf, |
.available = 0, |
.longmode = 0, |
.special = 1, |
.granularity = 1, |
.base_24_31 = 0 }, |
/* UTEXT descriptor */ |
{ .limit_0_15 = 0xffff, |
.base_0_15 = 0, |
.base_16_23 = 0, |
.access = AR_PRESENT | AR_CODE | DPL_USER, |
.limit_16_19 = 0xf, |
.available = 0, |
.longmode = 1, |
.special = 0, |
.granularity = 1, |
.base_24_31 = 0 }, |
/* KTEXT 32-bit protected, for protected mode before long mode */ |
{ .limit_0_15 = 0xffff, |
.base_0_15 = 0, |
.base_16_23 = 0, |
.access = AR_PRESENT | AR_CODE | DPL_KERNEL | AR_READABLE, |
.limit_16_19 = 0xf, |
.available = 0, |
.longmode = 0, |
.special = 1, |
.granularity = 1, |
.base_24_31 = 0 }, |
/* TSS descriptor - set up will be completed later, |
* on AMD64 it is 64-bit - 2 items in table */ |
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
/* VESA Init descriptor */ |
#ifdef CONFIG_FB |
{ 0xffff, 0, VESA_INIT_SEGMENT >> 12, AR_PRESENT | AR_CODE | DPL_KERNEL, |
0xf, 0, 0, 0, 0, 0 |
} |
#endif |
}; |
idescriptor_t idt[IDT_ITEMS]; |
ptr_16_64_t gdtr = {.limit = sizeof(gdt), .base = (uint64_t) gdt }; |
ptr_16_64_t idtr = {.limit = sizeof(idt), .base = (uint64_t) idt }; |
static tss_t tss; |
tss_t *tss_p = NULL; |
void gdt_tss_setbase(descriptor_t *d, uintptr_t base) |
{ |
tss_descriptor_t *td = (tss_descriptor_t *) d; |
td->base_0_15 = base & 0xffff; |
td->base_16_23 = ((base) >> 16) & 0xff; |
td->base_24_31 = ((base) >> 24) & 0xff; |
td->base_32_63 = ((base) >> 32); |
} |
void gdt_tss_setlimit(descriptor_t *d, uint32_t limit) |
{ |
tss_descriptor_t *td = (tss_descriptor_t *) d; |
td->limit_0_15 = limit & 0xffff; |
td->limit_16_19 = (limit >> 16) & 0xf; |
} |
void idt_setoffset(idescriptor_t *d, uintptr_t offset) |
{ |
/* |
* Offset is a linear address. |
*/ |
d->offset_0_15 = offset & 0xffff; |
d->offset_16_31 = offset >> 16 & 0xffff; |
d->offset_32_63 = offset >> 32; |
} |
void tss_initialize(tss_t *t) |
{ |
memsetb(t, sizeof(tss_t), 0); |
} |
/* |
* This function takes care of proper setup of IDT and IDTR. |
*/ |
void idt_init(void) |
{ |
idescriptor_t *d; |
int i; |
for (i = 0; i < IDT_ITEMS; i++) { |
d = &idt[i]; |
d->unused = 0; |
d->selector = gdtselector(KTEXT_DES); |
d->present = 1; |
d->type = AR_INTERRUPT; /* masking interrupt */ |
idt_setoffset(d, ((uintptr_t) interrupt_handlers) + |
i * interrupt_handler_size); |
} |
} |
/** Initialize segmentation - code/data/idt tables |
* |
*/ |
void pm_init(void) |
{ |
descriptor_t *gdt_p = (descriptor_t *) gdtr.base; |
tss_descriptor_t *tss_desc; |
/* |
* Each CPU has its private GDT and TSS. |
* All CPUs share one IDT. |
*/ |
if (config.cpu_active == 1) { |
idt_init(); |
/* |
* NOTE: bootstrap CPU has statically allocated TSS, because |
* the heap hasn't been initialized so far. |
*/ |
tss_p = &tss; |
} else { |
/* We are going to use malloc, which may return |
* non boot-mapped pointer, initialize the CR3 register |
* ahead of page_init */ |
write_cr3((uintptr_t) AS_KERNEL->genarch.page_table); |
tss_p = (tss_t *) malloc(sizeof(tss_t), FRAME_ATOMIC); |
if (!tss_p) |
panic("Cannot allocate TSS."); |
} |
tss_initialize(tss_p); |
tss_desc = (tss_descriptor_t *) (&gdt_p[TSS_DES]); |
tss_desc->present = 1; |
tss_desc->type = AR_TSS; |
tss_desc->dpl = PL_KERNEL; |
gdt_tss_setbase(&gdt_p[TSS_DES], (uintptr_t) tss_p); |
gdt_tss_setlimit(&gdt_p[TSS_DES], TSS_BASIC_SIZE - 1); |
gdtr_load(&gdtr); |
idtr_load(&idtr); |
/* |
* As of this moment, the current CPU has its own GDT pointing |
* to its own TSS. We just need to load the TR register. |
*/ |
tr_load(gdtselector(TSS_DES)); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/src/debugger.c |
---|
0,0 → 1,413 |
/* |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64debug |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/debugger.h> |
#include <console/kconsole.h> |
#include <console/cmd.h> |
#include <print.h> |
#include <panic.h> |
#include <interrupt.h> |
#include <arch/asm.h> |
#include <arch/cpu.h> |
#include <debug.h> |
#include <func.h> |
#include <smp/ipi.h> |
#include <symtab.h> |
typedef struct { |
uintptr_t address; /**< Breakpoint address */ |
int flags; /**< Flags regarding breakpoint */ |
int counter; /**< How many times the exception occured */ |
} bpinfo_t; |
static bpinfo_t breakpoints[BKPOINTS_MAX]; |
SPINLOCK_INITIALIZE(bkpoint_lock); |
#ifdef CONFIG_KCONSOLE |
static int cmd_print_breakpoints(cmd_arg_t *argv); |
static cmd_info_t bkpts_info = { |
.name = "bkpts", |
.description = "Print breakpoint table.", |
.func = cmd_print_breakpoints, |
.argc = 0, |
}; |
static int cmd_del_breakpoint(cmd_arg_t *argv); |
static cmd_arg_t del_argv = { |
.type = ARG_TYPE_INT |
}; |
static cmd_info_t delbkpt_info = { |
.name = "delbkpt", |
.description = "delbkpt <number> - Delete breakpoint.", |
.func = cmd_del_breakpoint, |
.argc = 1, |
.argv = &del_argv |
}; |
static int cmd_add_breakpoint(cmd_arg_t *argv); |
static cmd_arg_t add_argv = { |
.type = ARG_TYPE_INT |
}; |
static cmd_info_t addbkpt_info = { |
.name = "addbkpt", |
.description = "addbkpt <&symbol> - new breakpoint.", |
.func = cmd_add_breakpoint, |
.argc = 1, |
.argv = &add_argv |
}; |
static cmd_arg_t addw_argv = { |
.type = ARG_TYPE_INT |
}; |
static cmd_info_t addwatchp_info = { |
.name = "addwatchp", |
.description = "addbwatchp <&symbol> - new write watchpoint.", |
.func = cmd_add_breakpoint, |
.argc = 1, |
.argv = &addw_argv |
}; |
#endif /* CONFIG_KCONSOLE */ |
/* Setup DR register according to table */ |
static void setup_dr(int curidx) |
{ |
unative_t dr7; |
bpinfo_t *cur = &breakpoints[curidx]; |
int flags = breakpoints[curidx].flags; |
/* Disable breakpoint in DR7 */ |
dr7 = read_dr7(); |
dr7 &= ~(0x2 << (curidx*2)); |
if (cur->address) { /* Setup DR register */ |
/* Set breakpoint to debug registers */ |
switch (curidx) { |
case 0: |
write_dr0(cur->address); |
break; |
case 1: |
write_dr1(cur->address); |
break; |
case 2: |
write_dr2(cur->address); |
break; |
case 3: |
write_dr3(cur->address); |
break; |
} |
/* Set type to requested breakpoint & length*/ |
dr7 &= ~ (0x3 << (16 + 4*curidx)); |
dr7 &= ~ (0x3 << (18 + 4*curidx)); |
if ((flags & BKPOINT_INSTR)) { |
; |
} else { |
#ifdef __32_BITS__ |
dr7 |= ((unative_t) 0x3) << (18 + 4 * curidx); |
#endif |
#ifdef __64_BITS__ |
dr7 |= ((unative_t) 0x2) << (18 + 4 * curidx); |
#endif |
if ((flags & BKPOINT_WRITE)) |
dr7 |= ((unative_t) 0x1) << (16 + 4 * curidx); |
else if ((flags & BKPOINT_READ_WRITE)) |
dr7 |= ((unative_t) 0x3) << (16 + 4 * curidx); |
} |
/* Enable global breakpoint */ |
dr7 |= 0x2 << (curidx * 2); |
write_dr7(dr7); |
} |
} |
/** Enable hardware breakpoint |
* |
* @param where Address of HW breakpoint |
* @param flags Type of breakpoint (EXECUTE, WRITE) |
* @return Debug slot on success, -1 - no available HW breakpoint |
*/ |
int breakpoint_add(const void *where, const int flags, int curidx) |
{ |
ipl_t ipl; |
int i; |
bpinfo_t *cur; |
ASSERT(flags & (BKPOINT_INSTR | BKPOINT_WRITE | BKPOINT_READ_WRITE)); |
ipl = interrupts_disable(); |
spinlock_lock(&bkpoint_lock); |
if (curidx == -1) { |
/* Find free space in slots */ |
for (i = 0; i < BKPOINTS_MAX; i++) |
if (!breakpoints[i].address) { |
curidx = i; |
break; |
} |
if (curidx == -1) { |
/* Too many breakpoints */ |
spinlock_unlock(&bkpoint_lock); |
interrupts_restore(ipl); |
return -1; |
} |
} |
cur = &breakpoints[curidx]; |
cur->address = (uintptr_t) where; |
cur->flags = flags; |
cur->counter = 0; |
setup_dr(curidx); |
spinlock_unlock(&bkpoint_lock); |
interrupts_restore(ipl); |
/* Send IPI */ |
#ifdef CONFIG_SMP |
// ipi_broadcast(VECTOR_DEBUG_IPI); |
#endif |
return curidx; |
} |
#ifdef __64_BITS__ |
#define getip(x) ((x)->rip) |
#else |
#define getip(x) ((x)->eip) |
#endif |
static void handle_exception(int slot, istate_t *istate) |
{ |
ASSERT(breakpoints[slot].address); |
/* Handle zero checker */ |
if (! (breakpoints[slot].flags & BKPOINT_INSTR)) { |
if ((breakpoints[slot].flags & BKPOINT_CHECK_ZERO)) { |
if (*((unative_t *) breakpoints[slot].address) != 0) |
return; |
printf("*** Found ZERO on address %lx (slot %d) ***\n", |
breakpoints[slot].address, slot); |
} else { |
printf("Data watchpoint - new data: %lx\n", |
*((unative_t *) breakpoints[slot].address)); |
} |
} |
printf("Reached breakpoint %d:%lx (%s)\n", slot, getip(istate), |
symtab_fmt_name_lookup(getip(istate))); |
#ifdef CONFIG_KCONSOLE |
atomic_set(&haltstate, 1); |
kconsole("debug", "Debug console ready.\n", false); |
atomic_set(&haltstate, 0); |
#endif |
} |
void breakpoint_del(int slot) |
{ |
bpinfo_t *cur; |
ipl_t ipl; |
ipl = interrupts_disable(); |
spinlock_lock(&bkpoint_lock); |
cur = &breakpoints[slot]; |
if (!cur->address) { |
spinlock_unlock(&bkpoint_lock); |
interrupts_restore(ipl); |
return; |
} |
cur->address = NULL; |
setup_dr(slot); |
spinlock_unlock(&bkpoint_lock); |
interrupts_restore(ipl); |
#ifdef CONFIG_SMP |
// ipi_broadcast(VECTOR_DEBUG_IPI); |
#endif |
} |
static void debug_exception(int n __attribute__((unused)), istate_t *istate) |
{ |
unative_t dr6; |
int i; |
/* Set RF to restart the instruction */ |
#ifdef __64_BITS__ |
istate->rflags |= RFLAGS_RF; |
#else |
istate->eflags |= EFLAGS_RF; |
#endif |
dr6 = read_dr6(); |
for (i=0; i < BKPOINTS_MAX; i++) { |
if (dr6 & (1 << i)) { |
dr6 &= ~ (1 << i); |
write_dr6(dr6); |
handle_exception(i, istate); |
} |
} |
} |
#ifdef CONFIG_SMP |
static void |
debug_ipi(int n __attribute__((unused)), |
istate_t *istate __attribute__((unused))) |
{ |
int i; |
spinlock_lock(&bkpoint_lock); |
for (i = 0; i < BKPOINTS_MAX; i++) |
setup_dr(i); |
spinlock_unlock(&bkpoint_lock); |
} |
#endif |
/** Initialize debugger */ |
void debugger_init() |
{ |
int i; |
for (i = 0; i < BKPOINTS_MAX; i++) |
breakpoints[i].address = NULL; |
#ifdef CONFIG_KCONSOLE |
cmd_initialize(&bkpts_info); |
if (!cmd_register(&bkpts_info)) |
printf("Cannot register command %s\n", bkpts_info.name); |
cmd_initialize(&delbkpt_info); |
if (!cmd_register(&delbkpt_info)) |
printf("Cannot register command %s\n", delbkpt_info.name); |
cmd_initialize(&addbkpt_info); |
if (!cmd_register(&addbkpt_info)) |
printf("Cannot register command %s\n", addbkpt_info.name); |
cmd_initialize(&addwatchp_info); |
if (!cmd_register(&addwatchp_info)) |
printf("Cannot register command %s\n", addwatchp_info.name); |
#endif /* CONFIG_KCONSOLE */ |
exc_register(VECTOR_DEBUG, "debugger", debug_exception); |
#ifdef CONFIG_SMP |
exc_register(VECTOR_DEBUG_IPI, "debugger_smp", debug_ipi); |
#endif |
} |
#ifdef CONFIG_KCONSOLE |
/** Print table of active breakpoints */ |
int cmd_print_breakpoints(cmd_arg_t *argv __attribute__((unused))) |
{ |
unsigned int i; |
char *symbol; |
#ifdef __32_BITS__ |
printf("# Count Address In symbol\n"); |
printf("-- ----- ---------- ---------\n"); |
#endif |
#ifdef __64_BITS__ |
printf("# Count Address In symbol\n"); |
printf("-- ----- ------------------ ---------\n"); |
#endif |
for (i = 0; i < BKPOINTS_MAX; i++) |
if (breakpoints[i].address) { |
symbol = symtab_fmt_name_lookup( |
breakpoints[i].address); |
#ifdef __32_BITS__ |
printf("%-2u %-5d %#10zx %s\n", i, |
breakpoints[i].counter, breakpoints[i].address, |
symbol); |
#endif |
#ifdef __64_BITS__ |
printf("%-2u %-5d %#18zx %s\n", i, |
breakpoints[i].counter, breakpoints[i].address, |
symbol); |
#endif |
} |
return 1; |
} |
/** Remove breakpoint from table */ |
int cmd_del_breakpoint(cmd_arg_t *argv) |
{ |
unative_t bpno = argv->intval; |
if (bpno > BKPOINTS_MAX) { |
printf("Invalid breakpoint number.\n"); |
return 0; |
} |
breakpoint_del(argv->intval); |
return 1; |
} |
/** Add new breakpoint to table */ |
static int cmd_add_breakpoint(cmd_arg_t *argv) |
{ |
int flags; |
int id; |
if (argv == &add_argv) { |
flags = BKPOINT_INSTR; |
} else { /* addwatchp */ |
flags = BKPOINT_WRITE; |
} |
printf("Adding breakpoint on address: %p\n", argv->intval); |
id = breakpoint_add((void *)argv->intval, flags, -1); |
if (id < 0) |
printf("Add breakpoint failed.\n"); |
else |
printf("Added breakpoint %d.\n", id); |
return 1; |
} |
#endif /* CONFIG_KCONSOLE */ |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/src/boot/vesa_ret.inc |
---|
0,0 → 1,19 |
.code32 |
vesa_init_protected: |
movw $gdtselector(KDATA_DES), %cx |
movw %cx, %es |
movw %cx, %ds # kernel data + stack |
movw %cx, %ss |
# |
# Simics seems to remove hidden part of GS on entering user mode |
# when _visible_ part of GS does not point to user-mode segment. |
# |
movw $gdtselector(UDATA_DES), %cx |
movw %cx, %fs |
movw %cx, %gs |
movl $START_STACK, %esp # initialize stack pointer |
jmpl $gdtselector(KTEXT32_DES), $vesa_meeting_point |
/branches/arm/kernel/arch/amd64/src/boot/boot.S |
---|
0,0 → 1,339 |
# |
# Copyright (c) 2005 Ondrej Palkovsky |
# Copyright (c) 2006 Martin Decky |
# Copyright (c) 2008 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include <arch/boot/boot.h> |
#include <arch/boot/memmap.h> |
#include <arch/mm/page.h> |
#include <arch/mm/ptl.h> |
#include <arch/pm.h> |
#include <arch/cpu.h> |
#include <arch/cpuid.h> |
#define START_STACK (BOOT_OFFSET - BOOT_STACK_SIZE) |
.section K_TEXT_START, "ax" |
.code32 |
.align 4 |
.global multiboot_image_start |
multiboot_header: |
.long MULTIBOOT_HEADER_MAGIC |
.long MULTIBOOT_HEADER_FLAGS |
.long -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS) # checksum |
.long multiboot_header |
.long unmapped_ktext_start |
.long 0 |
.long 0 |
.long multiboot_image_start |
multiboot_image_start: |
cld |
movl $START_STACK, %esp # initialize stack pointer |
lgdtl bootstrap_gdtr # initialize Global Descriptor Table register |
movw $gdtselector(KDATA_DES), %cx |
movw %cx, %es |
movw %cx, %ds # kernel data + stack |
movw %cx, %ss |
# |
# Simics seems to remove hidden part of GS on entering user mode |
# when _visible_ part of GS does not point to user-mode segment. |
# |
movw $gdtselector(UDATA_DES), %cx |
movw %cx, %fs |
movw %cx, %gs |
jmpl $gdtselector(KTEXT32_DES), $multiboot_meeting_point |
multiboot_meeting_point: |
movl %eax, grub_eax # save parameters from GRUB |
movl %ebx, grub_ebx |
# |
# Protected 32-bit. We want to reuse the code-seg descriptor, |
# the Default operand size must not be 1 when entering long mode. |
# |
movl $(INTEL_CPUID_EXTENDED), %eax |
cpuid |
cmp $(INTEL_CPUID_EXTENDED), %eax |
ja extended_cpuid_supported |
movl $extended_cpuid_msg, %esi |
jmp error_halt |
extended_cpuid_supported: |
movl $(AMD_CPUID_EXTENDED), %eax |
cpuid |
bt $(AMD_EXT_LONG_MODE), %edx |
jc long_mode_supported |
movl $long_mode_msg, %esi |
jmp error_halt |
long_mode_supported: |
bt $(AMD_EXT_NOEXECUTE), %edx |
jc noexecute_supported |
movl $noexecute_msg, %esi |
jmp error_halt |
noexecute_supported: |
movl $(INTEL_CPUID_STANDARD), %eax |
cpuid |
bt $(INTEL_FXSAVE), %edx |
jc fx_supported |
movl $fx_msg, %esi |
jmp error_halt |
fx_supported: |
bt $(INTEL_SSE2), %edx |
jc sse2_supported |
movl $sse2_msg, %esi |
jmp error_halt |
sse2_supported: |
#include "vesa_prot.inc" |
# |
# Enable 64-bit page translation entries - CR4.PAE = 1. |
# Paging is not enabled until after long mode is enabled. |
# |
movl %cr4, %eax |
btsl $5, %eax |
movl %eax, %cr4 |
# set up paging tables |
leal ptl_0, %eax |
movl %eax, %cr3 |
# enable long mode |
movl $EFER_MSR_NUM, %ecx # EFER MSR number |
rdmsr # read EFER |
btsl $AMD_LME_FLAG, %eax # set LME = 1 |
wrmsr # write EFER |
# enable paging to activate long mode (set CR0.PG = 1) |
movl %cr0, %eax |
btsl $31, %eax |
movl %eax, %cr0 |
# at this point we are in compatibility mode |
jmpl $gdtselector(KTEXT_DES), $start64 |
.code64 |
start64: |
movq $(PA2KA(START_STACK)), %rsp |
# call arch_pre_main(grub_eax, grub_ebx) |
xorq %rdi, %rdi |
movl grub_eax, %edi |
xorq %rsi, %rsi |
movl grub_ebx, %esi |
call arch_pre_main |
call main_bsp |
# not reached |
cli |
hlt0: |
hlt |
jmp hlt0 |
# Print string from %esi to EGA display (in red) and halt |
error_halt: |
movl $0xb8000, %edi # base of EGA text mode memory |
xorl %eax, %eax |
movw $0x3d4, %dx # read bits 8 - 15 of the cursor address |
movb $0xe, %al |
outb %al, %dx |
movw $0x3d5, %dx |
inb %dx, %al |
shl $8, %ax |
movw $0x3d4, %dx # read bits 0 - 7 of the cursor address |
movb $0xf, %al |
outb %al, %dx |
movw $0x3d5, %dx |
inb %dx, %al |
cmp $1920, %ax |
jbe cursor_ok |
movw $1920, %ax # sanity check for the cursor on the last line |
cursor_ok: |
movw %ax, %bx |
shl $1, %eax |
addl %eax, %edi |
movw $0x0c00, %ax # black background, light red foreground |
ploop: |
lodsb |
cmp $0, %al |
je ploop_end |
stosw |
inc %bx |
jmp ploop |
ploop_end: |
movw $0x3d4, %dx # write bits 8 - 15 of the cursor address |
movb $0xe, %al |
outb %al, %dx |
movw $0x3d5, %dx |
movb %bh, %al |
outb %al, %dx |
movw $0x3d4, %dx # write bits 0 - 7 of the cursor address |
movb $0xf, %al |
outb %al, %dx |
movw $0x3d5, %dx |
movb %bl, %al |
outb %al, %dx |
cli |
hlt1: |
hlt |
jmp hlt1 |
#include "vesa_real.inc" |
.section K_INI_PTLS, "aw", @progbits |
# |
# Macro for generating initial page table contents. |
# @param cnt Number of entries to generat. Must be multiple of 8. |
# @param g Number of GB that will be added to the mapping. |
# |
.macro ptl2gen cnt g |
.if \cnt |
ptl2gen "\cnt - 8" \g |
.quad ((\cnt - 8) * 0x200000) + (\g * 1024 * 1024 * 1024) | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
.quad ((\cnt - 7) * 0x200000) + (\g * 1024 * 1024 * 1024) | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
.quad ((\cnt - 6) * 0x200000) + (\g * 1024 * 1024 * 1024) | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
.quad ((\cnt - 5) * 0x200000) + (\g * 1024 * 1024 * 1024) | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
.quad ((\cnt - 4) * 0x200000) + (\g * 1024 * 1024 * 1024) | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
.quad ((\cnt - 3) * 0x200000) + (\g * 1024 * 1024 * 1024) | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
.quad ((\cnt - 2) * 0x200000) + (\g * 1024 * 1024 * 1024) | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
.quad ((\cnt - 1) * 0x200000) + (\g * 1024 * 1024 * 1024) | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
.endif |
.endm |
# Page table for pages in the first gigabyte. |
.align 4096 |
.global ptl_2_0g |
ptl_2_0g: |
ptl2gen 512 0 |
# Page table for pages in the second gigabyte. |
.align 4096 |
.global ptl_2_1g |
ptl_2_1g: |
ptl2gen 512 1 |
# Page table for pages in the third gigabyte. |
.align 4096 |
.global ptl_2_2g |
ptl_2_2g: |
ptl2gen 512 2 |
# Page table for pages in the fourth gigabyte. |
.align 4096 |
.global ptl_2_3g |
ptl_2_3g: |
ptl2gen 512 3 |
.align 4096 |
.global ptl_1 |
ptl_1: |
# Identity mapping for [0; 4G) |
.quad ptl_2_0g + (PTL_WRITABLE | PTL_PRESENT) |
.quad ptl_2_1g + (PTL_WRITABLE | PTL_PRESENT) |
.quad ptl_2_2g + (PTL_WRITABLE | PTL_PRESENT) |
.quad ptl_2_3g + (PTL_WRITABLE | PTL_PRESENT) |
.fill 506, 8, 0 |
# Mapping of [0; 1G) at -2G |
.quad ptl_2_0g + (PTL_WRITABLE | PTL_PRESENT) |
.fill 1, 8, 0 |
.align 4096 |
.global ptl_0 |
ptl_0: |
.quad ptl_1 + (PTL_WRITABLE | PTL_PRESENT) |
.fill 255,8,0 |
.quad ptl_1 + (PTL_WRITABLE | PTL_PRESENT) |
.fill 254,8,0 |
.quad ptl_1 + (PTL_WRITABLE | PTL_PRESENT) |
.section K_DATA_START, "aw", @progbits |
.global bootstrap_gdtr |
bootstrap_gdtr: |
.word gdtselector(GDT_ITEMS) |
.long KA2PA(gdt) |
grub_eax: |
.long 0 |
grub_ebx: |
.long 0 |
extended_cpuid_msg: |
.asciz "Extended CPUID not supported. System halted." |
long_mode_msg: |
.asciz "64 bit long mode not supported. System halted." |
noexecute_msg: |
.asciz "No-execute pages not supported. System halted." |
fx_msg: |
.asciz "FXSAVE/FXRESTORE instructions not supported. System halted." |
sse2_msg: |
.asciz "SSE2 instructions not supported. System halted." |
/branches/arm/kernel/arch/amd64/src/boot/vesa_real.inc |
---|
0,0 → 1,0 |
link ../../../ia32/src/boot/vesa_real.inc |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/amd64/src/boot/vesa_prot.inc |
---|
0,0 → 1,0 |
link ../../../ia32/src/boot/vesa_prot.inc |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/amd64/src/boot/memmap.c |
---|
0,0 → 1,41 |
/* |
* Copyright (c) 2005 Josef Cejka |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64mm |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/boot/memmap.h> |
uint8_t e820counter = 0xff; |
e820memmap_t e820table[MEMMAP_E820_MAX_RECORDS]; |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/src/boot/vga323.pal |
---|
0,0 → 1,0 |
link ../../../ia32/src/boot/vga323.pal |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/amd64/src/fpu_context.c |
---|
0,0 → 1,65 |
/* |
* Copyright (c) 2005 Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64 |
* @{ |
*/ |
/** @file |
* |
*/ |
#include <fpu_context.h> |
/** Save FPU (mmx, sse) context using fxsave instruction */ |
void fpu_context_save(fpu_context_t *fctx) |
{ |
asm volatile ( |
"fxsave %[fctx]\n" |
: [fctx] "=m" (*fctx) |
); |
} |
/** Restore FPU (mmx,sse) context using fxrstor instruction */ |
void fpu_context_restore(fpu_context_t *fctx) |
{ |
asm volatile ( |
"fxrstor %[fctx]\n" |
: [fctx] "=m" (*fctx) |
); |
} |
void fpu_init() |
{ |
/* TODO: Zero all SSE, MMX etc. registers */ |
asm volatile ( |
"fninit\n" |
); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/src/cpu/cpu.c |
---|
0,0 → 1,167 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64 |
* @{ |
*/ |
/** @file |
*/ |
#include <cpu.h> |
#include <arch/cpu.h> |
#include <arch/cpuid.h> |
#include <arch/pm.h> |
#include <arch.h> |
#include <arch/types.h> |
#include <print.h> |
#include <fpu_context.h> |
/* |
* Identification of CPUs. |
* Contains only non-MP-Specification specific SMP code. |
*/ |
#define AMD_CPUID_EBX 0x68747541 |
#define AMD_CPUID_ECX 0x444d4163 |
#define AMD_CPUID_EDX 0x69746e65 |
#define INTEL_CPUID_EBX 0x756e6547 |
#define INTEL_CPUID_ECX 0x6c65746e |
#define INTEL_CPUID_EDX 0x49656e69 |
enum vendor { |
VendorUnknown = 0, |
VendorAMD, |
VendorIntel |
}; |
static char *vendor_str[] = { |
"Unknown Vendor", |
"AuthenticAMD", |
"GenuineIntel" |
}; |
/** Setup flags on processor so that we can use the FPU |
* |
* cr0.osfxsr = 1 -> we do support fxstor/fxrestor |
* cr0.em = 0 -> we do not emulate coprocessor |
* cr0.mp = 1 -> we do want lazy context switch |
*/ |
void cpu_setup_fpu(void) |
{ |
asm volatile ( |
"movq %%cr0, %%rax\n" |
"btsq $1, %%rax\n" /* cr0.mp */ |
"btrq $2, %%rax\n" /* cr0.em */ |
"movq %%rax, %%cr0\n" |
"movq %%cr4, %%rax\n" |
"bts $9, %%rax\n" /* cr4.osfxsr */ |
"movq %%rax, %%cr4\n" |
::: "%rax" |
); |
} |
/** Set the TS flag to 1. |
* |
* If a thread accesses coprocessor, exception is run, which |
* does a lazy fpu context switch. |
* |
*/ |
void fpu_disable(void) |
{ |
asm volatile ( |
"mov %%cr0, %%rax\n" |
"bts $3, %%rax\n" |
"mov %%rax, %%cr0\n" |
::: "%rax" |
); |
} |
void fpu_enable(void) |
{ |
asm volatile ( |
"mov %%cr0, %%rax\n" |
"btr $3, %%rax\n" |
"mov %%rax, %%cr0\n" |
::: "%rax" |
); |
} |
void cpu_arch_init(void) |
{ |
CPU->arch.tss = tss_p; |
CPU->arch.tss->iomap_base = &CPU->arch.tss->iomap[0] - |
((uint8_t *) CPU->arch.tss); |
CPU->fpu_owner = NULL; |
} |
void cpu_identify(void) |
{ |
cpu_info_t info; |
CPU->arch.vendor = VendorUnknown; |
if (has_cpuid()) { |
cpuid(0, &info); |
/* |
* Check for AMD processor. |
*/ |
if (info.cpuid_ebx == AMD_CPUID_EBX && |
info.cpuid_ecx == AMD_CPUID_ECX && |
info.cpuid_edx == AMD_CPUID_EDX) { |
CPU->arch.vendor = VendorAMD; |
} |
/* |
* Check for Intel processor. |
*/ |
if (info.cpuid_ebx == INTEL_CPUID_EBX && |
info.cpuid_ecx == INTEL_CPUID_ECX && |
info.cpuid_edx == INTEL_CPUID_EDX) { |
CPU->arch.vendor = VendorIntel; |
} |
cpuid(1, &info); |
CPU->arch.family = (info.cpuid_eax >> 8) & 0xf; |
CPU->arch.model = (info.cpuid_eax >> 4) & 0xf; |
CPU->arch.stepping = (info.cpuid_eax >> 0) & 0xf; |
} |
} |
void cpu_print_report(cpu_t* m) |
{ |
printf("cpu%d: (%s family=%d model=%d stepping=%d) %dMHz\n", |
m->id, vendor_str[m->arch.vendor], m->arch.family, m->arch.model, |
m->arch.stepping, m->frequency_mhz); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/src/userspace.c |
---|
0,0 → 1,80 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64 |
* @{ |
*/ |
/** @file |
*/ |
#include <userspace.h> |
#include <arch/pm.h> |
#include <arch/types.h> |
#include <arch.h> |
#include <proc/uarg.h> |
#include <mm/as.h> |
/** Enter userspace |
* |
* Change CPU protection level to 3, enter userspace. |
* |
*/ |
void userspace(uspace_arg_t *kernel_uarg) |
{ |
ipl_t ipl = interrupts_disable(); |
/* Clear CF, PF, AF, ZF, SF, DF, OF */ |
ipl &= ~(0xcd4); |
asm volatile ( |
"pushq %[udata_des]\n" |
"pushq %[stack_size]\n" |
"pushq %[ipl]\n" |
"pushq %[utext_des]\n" |
"pushq %[entry]\n" |
"movq %[uarg], %%rax\n" |
/* %rdi is defined to hold pcb_ptr - set it to 0 */ |
"xorq %%rdi, %%rdi\n" |
"iretq\n" |
:: [udata_des] "i" (gdtselector(UDATA_DES) | PL_USER), |
[stack_size] "r" (kernel_uarg->uspace_stack + THREAD_STACK_SIZE), |
[ipl] "r" (ipl), |
[utext_des] "i" (gdtselector(UTEXT_DES) | PL_USER), |
[entry] "r" (kernel_uarg->uspace_entry), |
[uarg] "r" (kernel_uarg->uspace_uarg) |
: "rax" |
); |
/* Unreachable */ |
while (1); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/src/mm/page.c |
---|
0,0 → 1,218 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64mm |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/mm/page.h> |
#include <genarch/mm/page_pt.h> |
#include <arch/mm/frame.h> |
#include <mm/page.h> |
#include <mm/frame.h> |
#include <mm/as.h> |
#include <arch/interrupt.h> |
#include <arch/asm.h> |
#include <config.h> |
#include <memstr.h> |
#include <interrupt.h> |
#include <print.h> |
#include <panic.h> |
#include <align.h> |
/* Definitions for identity page mapper */ |
pte_t helper_ptl1[512] __attribute__((aligned (PAGE_SIZE))); |
pte_t helper_ptl2[512] __attribute__((aligned (PAGE_SIZE))); |
pte_t helper_ptl3[512] __attribute__((aligned (PAGE_SIZE))); |
extern pte_t ptl_0; /* From boot.S */ |
#define PTL1_PRESENT(ptl0, page) (!(GET_PTL1_FLAGS_ARCH(ptl0, PTL0_INDEX_ARCH(page)) & PAGE_NOT_PRESENT)) |
#define PTL2_PRESENT(ptl1, page) (!(GET_PTL2_FLAGS_ARCH(ptl1, PTL1_INDEX_ARCH(page)) & PAGE_NOT_PRESENT)) |
#define PTL3_PRESENT(ptl2, page) (!(GET_PTL3_FLAGS_ARCH(ptl2, PTL2_INDEX_ARCH(page)) & PAGE_NOT_PRESENT)) |
#define PTL1_ADDR(ptl0, page) ((pte_t *)PA2KA(GET_PTL1_ADDRESS_ARCH(ptl0, PTL0_INDEX_ARCH(page)))) |
#define PTL2_ADDR(ptl1, page) ((pte_t *)PA2KA(GET_PTL2_ADDRESS_ARCH(ptl1, PTL1_INDEX_ARCH(page)))) |
#define PTL3_ADDR(ptl2, page) ((pte_t *)PA2KA(GET_PTL3_ADDRESS_ARCH(ptl2, PTL2_INDEX_ARCH(page)))) |
#define SETUP_PTL1(ptl0, page, tgt) { \ |
SET_PTL1_ADDRESS_ARCH(ptl0, PTL0_INDEX_ARCH(page), (uintptr_t)KA2PA(tgt)); \ |
SET_PTL1_FLAGS_ARCH(ptl0, PTL0_INDEX_ARCH(page), PAGE_WRITE | PAGE_EXEC); \ |
} |
#define SETUP_PTL2(ptl1, page, tgt) { \ |
SET_PTL2_ADDRESS_ARCH(ptl1, PTL1_INDEX_ARCH(page), (uintptr_t)KA2PA(tgt)); \ |
SET_PTL2_FLAGS_ARCH(ptl1, PTL1_INDEX_ARCH(page), PAGE_WRITE | PAGE_EXEC); \ |
} |
#define SETUP_PTL3(ptl2, page, tgt) { \ |
SET_PTL3_ADDRESS_ARCH(ptl2, PTL2_INDEX_ARCH(page), (uintptr_t)KA2PA(tgt)); \ |
SET_PTL3_FLAGS_ARCH(ptl2, PTL2_INDEX_ARCH(page), PAGE_WRITE | PAGE_EXEC); \ |
} |
#define SETUP_FRAME(ptl3, page, tgt) { \ |
SET_FRAME_ADDRESS_ARCH(ptl3, PTL3_INDEX_ARCH(page), (uintptr_t)KA2PA(tgt)); \ |
SET_FRAME_FLAGS_ARCH(ptl3, PTL3_INDEX_ARCH(page), PAGE_WRITE | PAGE_EXEC); \ |
} |
void page_arch_init(void) |
{ |
uintptr_t cur; |
unsigned int i; |
int identity_flags = PAGE_CACHEABLE | PAGE_EXEC | PAGE_GLOBAL | PAGE_WRITE; |
if (config.cpu_active == 1) { |
page_mapping_operations = &pt_mapping_operations; |
/* |
* PA2KA(identity) mapping for all frames. |
*/ |
for (cur = 0; cur < last_frame; cur += FRAME_SIZE) { |
/* Standard identity mapping */ |
page_mapping_insert(AS_KERNEL, PA2KA(cur), cur, identity_flags); |
} |
/* Upper kernel mapping |
* - from zero to top of kernel (include bottom addresses |
* because some are needed for init) |
*/ |
for (cur = PA2KA_CODE(0); cur < config.base + config.kernel_size; cur += FRAME_SIZE) |
page_mapping_insert(AS_KERNEL, cur, KA2PA(cur), identity_flags); |
for (cur = config.stack_base; cur < config.stack_base + config.stack_size; cur += FRAME_SIZE) |
page_mapping_insert(AS_KERNEL, cur, KA2PA(cur), identity_flags); |
for (i = 0; i < init.cnt; i++) { |
for (cur = init.tasks[i].addr; cur < init.tasks[i].addr + init.tasks[i].size; cur += FRAME_SIZE) |
page_mapping_insert(AS_KERNEL, PA2KA_CODE(KA2PA(cur)), KA2PA(cur), identity_flags); |
} |
exc_register(14, "page_fault", (iroutine) page_fault); |
write_cr3((uintptr_t) AS_KERNEL->genarch.page_table); |
} else |
write_cr3((uintptr_t) AS_KERNEL->genarch.page_table); |
} |
/** Identity page mapper |
* |
* We need to map whole physical memory identically before the page subsystem |
* is initializaed. This thing clears page table and fills in the specific |
* items. |
*/ |
void ident_page_fault(int n, istate_t *istate) |
{ |
uintptr_t page; |
static uintptr_t oldpage = 0; |
pte_t *aptl_1, *aptl_2, *aptl_3; |
page = read_cr2(); |
if (oldpage) { |
/* Unmap old address */ |
aptl_1 = PTL1_ADDR(&ptl_0, oldpage); |
aptl_2 = PTL2_ADDR(aptl_1, oldpage); |
aptl_3 = PTL3_ADDR(aptl_2, oldpage); |
SET_FRAME_FLAGS_ARCH(aptl_3, PTL3_INDEX_ARCH(oldpage), PAGE_NOT_PRESENT); |
if (KA2PA(aptl_3) == KA2PA(helper_ptl3)) |
SET_PTL3_FLAGS_ARCH(aptl_2, PTL2_INDEX_ARCH(oldpage), PAGE_NOT_PRESENT); |
if (KA2PA(aptl_2) == KA2PA(helper_ptl2)) |
SET_PTL2_FLAGS_ARCH(aptl_1, PTL1_INDEX_ARCH(oldpage), PAGE_NOT_PRESENT); |
if (KA2PA(aptl_1) == KA2PA(helper_ptl1)) |
SET_PTL1_FLAGS_ARCH(&ptl_0, PTL0_INDEX_ARCH(oldpage), PAGE_NOT_PRESENT); |
} |
if (PTL1_PRESENT(&ptl_0, page)) |
aptl_1 = PTL1_ADDR(&ptl_0, page); |
else { |
SETUP_PTL1(&ptl_0, page, helper_ptl1); |
aptl_1 = helper_ptl1; |
} |
if (PTL2_PRESENT(aptl_1, page)) |
aptl_2 = PTL2_ADDR(aptl_1, page); |
else { |
SETUP_PTL2(aptl_1, page, helper_ptl2); |
aptl_2 = helper_ptl2; |
} |
if (PTL3_PRESENT(aptl_2, page)) |
aptl_3 = PTL3_ADDR(aptl_2, page); |
else { |
SETUP_PTL3(aptl_2, page, helper_ptl3); |
aptl_3 = helper_ptl3; |
} |
SETUP_FRAME(aptl_3, page, page); |
oldpage = page; |
} |
void page_fault(int n, istate_t *istate) |
{ |
uintptr_t page; |
pf_access_t access; |
page = read_cr2(); |
if (istate->error_word & PFERR_CODE_RSVD) |
panic("Reserved bit set in page table entry."); |
if (istate->error_word & PFERR_CODE_RW) |
access = PF_ACCESS_WRITE; |
else if (istate->error_word & PFERR_CODE_ID) |
access = PF_ACCESS_EXEC; |
else |
access = PF_ACCESS_READ; |
if (as_page_fault(page, access, istate) == AS_PF_FAULT) { |
fault_if_from_uspace(istate, "Page fault: %#x.", page); |
decode_istate(n, istate); |
printf("Page fault address: %llx.\n", page); |
panic("Page fault."); |
} |
} |
uintptr_t hw_map(uintptr_t physaddr, size_t size) |
{ |
if (last_frame + ALIGN_UP(size, PAGE_SIZE) > KA2PA(KERNEL_ADDRESS_SPACE_END_ARCH)) |
panic("Unable to map physical memory %p (%d bytes).", physaddr, size) |
uintptr_t virtaddr = PA2KA(last_frame); |
pfn_t i; |
for (i = 0; i < ADDR2PFN(ALIGN_UP(size, PAGE_SIZE)); i++) |
page_mapping_insert(AS_KERNEL, virtaddr + PFN2ADDR(i), physaddr + PFN2ADDR(i), PAGE_NOT_CACHEABLE | PAGE_WRITE); |
last_frame = ALIGN_UP(last_frame + size, FRAME_SIZE); |
return virtaddr; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/src/mm/as.c |
---|
0,0 → 1,0 |
link ../../../ia32/src/mm/as.c |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/amd64/src/mm/tlb.c |
---|
0,0 → 1,0 |
link ../../../ia32/src/mm/tlb.c |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/amd64/src/mm/frame.c |
---|
0,0 → 1,0 |
link ../../../ia32/src/mm/frame.c |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/amd64/src/proc/scheduler.c |
---|
0,0 → 1,77 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64proc |
* @{ |
*/ |
/** @file |
*/ |
#include <proc/scheduler.h> |
#include <cpu.h> |
#include <proc/task.h> |
#include <proc/thread.h> |
#include <arch.h> |
#include <arch/context.h> /* SP_DELTA */ |
#include <arch/asm.h> |
#include <print.h> |
#include <arch/pm.h> |
#include <arch/ddi/ddi.h> |
/** Perform amd64 specific tasks needed before the new task is run. |
* |
* Interrupts are disabled. |
*/ |
void before_task_runs_arch(void) |
{ |
io_perm_bitmap_install(); |
} |
/** Perform amd64 specific tasks needed before the new thread is scheduled. */ |
void before_thread_runs_arch(void) |
{ |
CPU->arch.tss->rsp0 = |
(uintptr_t) &THREAD->kstack[THREAD_STACK_SIZE - SP_DELTA]; |
/* |
* Syscall support. |
*/ |
swapgs(); |
write_msr(AMD_MSR_GS, (uintptr_t)THREAD->arch.syscall_rsp); |
swapgs(); |
/* TLS support - set FS to thread local storage */ |
write_msr(AMD_MSR_FS, THREAD->arch.tls); |
} |
void after_thread_ran_arch(void) |
{ |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/src/proc/thread.c |
---|
0,0 → 1,53 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64proc |
* @{ |
*/ |
/** @file |
*/ |
#include <proc/thread.h> |
/** Perform amd64 specific thread initialization. |
* |
* @param t Thread to be initialized. |
*/ |
void thread_create_arch(thread_t *t) |
{ |
t->arch.tls = 0; |
t->arch.syscall_rsp[SYSCALL_USTACK_RSP] = 0; |
/* |
* Kernel RSP can be precalculated at thread creation time. |
*/ |
t->arch.syscall_rsp[SYSCALL_KSTACK_RSP] = |
(uintptr_t) &t->kstack[PAGE_SIZE - sizeof(uint64_t)]; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/src/proc/task.c |
---|
0,0 → 1,60 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64proc |
* @{ |
*/ |
/** @file |
*/ |
#include <proc/task.h> |
#include <mm/slab.h> |
#include <arch/types.h> |
/** Perform amd64 specific task initialization. |
* |
* @param t Task to be initialized. |
*/ |
void task_create_arch(task_t *t) |
{ |
t->arch.iomapver = 0; |
bitmap_initialize(&t->arch.iomap, NULL, 0); |
} |
/** Perform amd64 specific task destruction. |
* |
* @param t Task to be initialized. |
*/ |
void task_destroy_arch(task_t *t) |
{ |
if (t->arch.iomap.map) |
free(t->arch.iomap.map); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/src/asm_utils.S |
---|
0,0 → 1,308 |
# |
# Copyright (c) 2005 Ondrej Palkovsky |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#define IREGISTER_SPACE 72 |
#define IOFFSET_RAX 0x0 |
#define IOFFSET_RCX 0x8 |
#define IOFFSET_RDX 0x10 |
#define IOFFSET_RSI 0x18 |
#define IOFFSET_RDI 0x20 |
#define IOFFSET_R8 0x28 |
#define IOFFSET_R9 0x30 |
#define IOFFSET_R10 0x38 |
#define IOFFSET_R11 0x40 |
# Mask for interrupts 0 - 31 (bits 0 - 31) where 0 means that int has no error word |
# and 1 means interrupt with error word |
#define ERROR_WORD_INTERRUPT_LIST 0x00027D00 |
#include <arch/pm.h> |
#include <arch/mm/page.h> |
.text |
.global interrupt_handlers |
.global syscall_entry |
.global panic_printf |
panic_printf: |
movq $halt, (%rsp) |
jmp printf |
.global cpuid |
.global has_cpuid |
.global get_cycle |
.global read_efer_flag |
.global set_efer_flag |
.global memsetb |
.global memsetw |
.global memcpy |
.global memcpy_from_uspace |
.global memcpy_to_uspace |
.global memcpy_from_uspace_failover_address |
.global memcpy_to_uspace_failover_address |
# Wrapper for generic memsetb |
memsetb: |
jmp _memsetb |
# Wrapper for generic memsetw |
memsetw: |
jmp _memsetw |
#define MEMCPY_DST %rdi |
#define MEMCPY_SRC %rsi |
#define MEMCPY_SIZE %rdx |
/** |
* Copy memory from/to userspace. |
* |
* This is almost conventional memcpy(). |
* The difference is that there is a failover part |
* to where control is returned from a page fault if |
* the page fault occurs during copy_from_uspace() |
* or copy_to_uspace(). |
* |
* @param MEMCPY_DST Destination address. |
* @param MEMCPY_SRC Source address. |
* @param MEMCPY_SIZE Number of bytes to copy. |
* |
* @retrun MEMCPY_DST on success, 0 on failure. |
*/ |
memcpy: |
memcpy_from_uspace: |
memcpy_to_uspace: |
movq MEMCPY_DST, %rax |
movq MEMCPY_SIZE, %rcx |
shrq $3, %rcx /* size / 8 */ |
rep movsq /* copy as much as possible word by word */ |
movq MEMCPY_SIZE, %rcx |
andq $7, %rcx /* size % 8 */ |
jz 0f |
rep movsb /* copy the rest byte by byte */ |
0: |
ret /* return MEMCPY_SRC, success */ |
memcpy_from_uspace_failover_address: |
memcpy_to_uspace_failover_address: |
xorq %rax, %rax /* return 0, failure */ |
ret |
## Determine CPUID support |
# |
# Return 0 in EAX if CPUID is not support, 1 if supported. |
# |
has_cpuid: |
pushfq # store flags |
popq %rax # read flags |
movq %rax,%rdx # copy flags |
btcl $21,%edx # swap the ID bit |
pushq %rdx |
popfq # propagate the change into flags |
pushfq |
popq %rdx # read flags |
andl $(1<<21),%eax # interested only in ID bit |
andl $(1<<21),%edx |
xorl %edx,%eax # 0 if not supported, 1 if supported |
ret |
cpuid: |
movq %rbx, %r10 # we have to preserve rbx across function calls |
movl %edi,%eax # load the command into %eax |
cpuid |
movl %eax,0(%rsi) |
movl %ebx,4(%rsi) |
movl %ecx,8(%rsi) |
movl %edx,12(%rsi) |
movq %r10, %rbx |
ret |
get_cycle: |
xorq %rax,%rax |
rdtsc |
ret |
set_efer_flag: |
movq $0xc0000080, %rcx |
rdmsr |
btsl %edi, %eax |
wrmsr |
ret |
read_efer_flag: |
movq $0xc0000080, %rcx |
rdmsr |
ret |
# Push all volatile general purpose registers on stack |
.macro save_all_gpr |
movq %rax, IOFFSET_RAX(%rsp) |
movq %rcx, IOFFSET_RCX(%rsp) |
movq %rdx, IOFFSET_RDX(%rsp) |
movq %rsi, IOFFSET_RSI(%rsp) |
movq %rdi, IOFFSET_RDI(%rsp) |
movq %r8, IOFFSET_R8(%rsp) |
movq %r9, IOFFSET_R9(%rsp) |
movq %r10, IOFFSET_R10(%rsp) |
movq %r11, IOFFSET_R11(%rsp) |
.endm |
.macro restore_all_gpr |
movq IOFFSET_RAX(%rsp), %rax |
movq IOFFSET_RCX(%rsp), %rcx |
movq IOFFSET_RDX(%rsp), %rdx |
movq IOFFSET_RSI(%rsp), %rsi |
movq IOFFSET_RDI(%rsp), %rdi |
movq IOFFSET_R8(%rsp), %r8 |
movq IOFFSET_R9(%rsp), %r9 |
movq IOFFSET_R10(%rsp), %r10 |
movq IOFFSET_R11(%rsp), %r11 |
.endm |
#define INTERRUPT_ALIGN 128 |
## Declare interrupt handlers |
# |
# Declare interrupt handlers for n interrupt |
# vectors starting at vector i. |
# |
# The handlers call exc_dispatch(). |
# |
.macro handler i n |
/* |
* Choose between version with error code and version without error |
* code. Both versions have to be of the same size. amd64 assembly is, |
* however, a little bit tricky. For instance, subq $0x80, %rsp and |
* subq $0x78, %rsp can result in two instructions with different |
* op-code lengths. |
* Therefore we align the interrupt handlers. |
*/ |
.iflt \i-32 |
.if (1 << \i) & ERROR_WORD_INTERRUPT_LIST |
/* |
* Version with error word. |
*/ |
subq $IREGISTER_SPACE, %rsp |
.else |
/* |
* Version without error word, |
*/ |
subq $(IREGISTER_SPACE+8), %rsp |
.endif |
.else |
/* |
* Version without error word, |
*/ |
subq $(IREGISTER_SPACE+8), %rsp |
.endif |
save_all_gpr |
cld |
movq $(\i), %rdi # %rdi - first parameter |
movq %rsp, %rsi # %rsi - pointer to istate |
call exc_dispatch # exc_dispatch(i, istate) |
restore_all_gpr |
# $8 = Skip error word |
addq $(IREGISTER_SPACE+8), %rsp |
iretq |
.align INTERRUPT_ALIGN |
.if (\n-\i)-1 |
handler "(\i+1)",\n |
.endif |
.endm |
.align INTERRUPT_ALIGN |
interrupt_handlers: |
h_start: |
handler 0 IDT_ITEMS |
h_end: |
## Low-level syscall handler |
# |
# Registers on entry: |
# |
# @param rcx Userspace return address. |
# @param r11 Userspace RLFAGS. |
# |
# @param rax Syscall number. |
# @param rdi 1st syscall argument. |
# @param rsi 2nd syscall argument. |
# @param rdx 3rd syscall argument. |
# @param r10 4th syscall argument. Used instead of RCX because the |
# SYSCALL instruction clobbers it. |
# @param r8 5th syscall argument. |
# @param r9 6th syscall argument. |
# |
# @return Return value is in rax. |
# |
syscall_entry: |
swapgs # Switch to hidden gs |
# |
# %gs:0 Scratch space for this thread's user RSP |
# %gs:8 Address to be used as this thread's kernel RSP |
# |
movq %rsp, %gs:0 # Save this thread's user RSP |
movq %gs:8, %rsp # Set this thread's kernel RSP |
swapgs # Switch back to remain consistent |
sti |
pushq %rcx |
pushq %r11 |
movq %r10, %rcx # Copy the 4th argument where it is expected |
pushq %rax |
call syscall_handler |
addq $8, %rsp |
popq %r11 |
popq %rcx |
cli |
swapgs |
movq %gs:0, %rsp # Restore the user RSP |
swapgs |
sysretq |
.data |
.global interrupt_handler_size |
interrupt_handler_size: .quad (h_end-h_start)/IDT_ITEMS |
/branches/arm/kernel/arch/amd64/src/syscall.c |
---|
0,0 → 1,73 |
/* |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64 |
* @{ |
*/ |
/** @file |
*/ |
#include <syscall/syscall.h> |
#include <arch/syscall.h> |
#include <panic.h> |
#include <arch/cpu.h> |
#include <arch/pm.h> |
#include <arch/asm.h> |
#include <print.h> |
#include <arch/cpu.h> |
extern void syscall_entry(void); |
/** Enable & setup support for SYSCALL/SYSRET */ |
void syscall_setup_cpu(void) |
{ |
/* Enable SYSCALL/SYSRET */ |
set_efer_flag(AMD_SCE_FLAG); |
/* Setup syscall entry address */ |
/* This is _mess_ - the 64-bit CS is argument + 16, |
* the SS is argument + 8. The order is: |
* +0(KDATA_DES), +8(UDATA_DES), +16(UTEXT_DES) |
*/ |
write_msr(AMD_MSR_STAR, |
((uint64_t)(gdtselector(KDATA_DES) | PL_USER) << 48) | |
((uint64_t)(gdtselector(KTEXT_DES) | PL_KERNEL) << 32)); |
write_msr(AMD_MSR_LSTAR, (uint64_t)syscall_entry); |
/* Mask RFLAGS on syscall |
* - disable interrupts, until we exchange the stack register |
* (mask the IF bit) |
* - clear DF so that the string instructions operate in |
* the right direction |
*/ |
write_msr(AMD_MSR_SFMASK, RFLAGS_IF | RFLAGS_DF); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/src/context.S |
---|
0,0 → 1,64 |
# |
# Copyright (c) 2001-2004 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
.text |
.global context_save_arch |
.global context_restore_arch |
#include <arch/context_offset.h> |
## Save current CPU context |
# |
# Save CPU context to context_t variable |
# pointed by the 1st argument. Returns 1 in EAX. |
# |
context_save_arch: |
movq (%rsp), %rdx # the caller's return %eip |
# In %edi is passed 1st argument |
CONTEXT_SAVE_ARCH_CORE %rdi %rdx |
xorq %rax,%rax # context_save returns 1 |
incq %rax |
ret |
## Restore current CPU context |
# |
# Restore CPU context from context_t variable |
# pointed by the 1st argument. Returns 0 in EAX. |
# |
context_restore_arch: |
CONTEXT_RESTORE_ARCH_CORE %rdi %rdx |
movq %rdx,(%rsp) |
xorq %rax,%rax # context_restore returns 0 |
ret |
/branches/arm/kernel/arch/amd64/src/smp/ap.S |
---|
0,0 → 1,114 |
# |
# Copyright (c) 2008 Jakub Jermar |
# Copyright (c) 2005-2006 Martin Decky |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
# |
# Init code for application processors. |
# |
#include <arch/boot/boot.h> |
#include <arch/boot/memmap.h> |
#include <arch/mm/page.h> |
#include <arch/pm.h> |
#include <arch/cpu.h> |
#include <arch/cpuid.h> |
.section K_TEXT_START, "ax" |
#ifdef CONFIG_SMP |
.global unmapped_ap_boot |
# This piece of code is real-mode and is meant to be alligned at 4K boundary. |
# The requirement for such an alignment comes from MP Specification's STARTUP |
# IPI requirements. |
.align 4096 |
unmapped_ap_boot: |
.code16 |
cli |
xorw %ax, %ax |
movw %ax, %ds |
lgdtl ap_gdtr # initialize Global Descriptor Table register |
movl %cr0, %eax |
orl $1, %eax |
movl %eax, %cr0 # switch to protected mode |
jmpl $gdtselector(KTEXT32_DES), $jump_to_kernel - BOOT_OFFSET + AP_BOOT_OFFSET |
jump_to_kernel: |
.code32 |
movw $gdtselector(KDATA_DES), %ax |
movw %ax, %ds |
movw %ax, %es |
movw %ax, %ss |
movw $gdtselector(UDATA_DES), %ax |
movw %ax, %gs |
# Enable 64-bit page transaltion entries - CR4.PAE = 1. |
# Paging is not enabled until after long mode is enabled |
movl %cr4, %eax |
btsl $5, %eax |
movl %eax, %cr4 |
leal ptl_0, %eax |
movl %eax, %cr3 |
# Enable long mode |
movl $EFER_MSR_NUM, %ecx # EFER MSR number |
rdmsr # Read EFER |
btsl $AMD_LME_FLAG, %eax # Set LME=1 |
wrmsr # Write EFER |
# Enable paging to activate long mode (set CR0.PG=1) |
movl %cr0, %eax |
btsl $31, %eax |
movl %eax, %cr0 |
# At this point we are in compatibility mode |
jmpl $gdtselector(KTEXT_DES), $start64 - BOOT_OFFSET + AP_BOOT_OFFSET |
.code64 |
start64: |
movq (ctx), %rsp |
call main_ap - AP_BOOT_OFFSET + BOOT_OFFSET # never returns |
#endif /* CONFIG_SMP */ |
.section K_DATA_START, "aw", @progbits |
#ifdef CONFIG_SMP |
.global unmapped_ap_gdtr |
unmapped_ap_gdtr: |
.word 0 |
.long 0 |
#endif /* CONFIG_SMP */ |
/branches/arm/kernel/arch/amd64/src/smp/mps.c |
---|
0,0 → 1,0 |
link ../../../ia32/src/smp/mps.c |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/amd64/src/smp/smp.c |
---|
0,0 → 1,0 |
link ../../../ia32/src/smp/smp.c |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/amd64/src/smp/ipi.c |
---|
0,0 → 1,0 |
link ../../../ia32/src/smp/ipi.c |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/amd64/src/smp/apic.c |
---|
0,0 → 1,0 |
link ../../../ia32/src/smp/apic.c |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/amd64/src/delay.S |
---|
0,0 → 1,46 |
# |
# Copyright (c) 2001-2004 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
# |
# Micro second delay loop functions. |
# |
.text |
.global asm_delay_loop |
.global asm_fake_loop |
asm_delay_loop: |
0: dec %rdi |
jnz 0b |
ret |
asm_fake_loop: |
0: dec %rdi |
jz 0b |
ret |
/branches/arm/kernel/arch/amd64/src/bios |
---|
0,0 → 1,0 |
link ../../ia32/src/bios |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/amd64/src/drivers |
---|
0,0 → 1,0 |
link ../../ia32/src/drivers |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/amd64/_link.ld.in |
---|
0,0 → 1,66 |
/** AMD64 linker script |
* |
* umapped section: |
* kernel text |
* kernel data |
* mapped section: |
* kernel text |
* kernel data |
*/ |
#include <arch/boot/boot.h> |
#include <arch/mm/page.h> |
SECTIONS { |
.unmapped BOOT_OFFSET: AT (0) { |
unmapped_ktext_start = .; |
*(K_TEXT_START); |
unmapped_ktext_end = .; |
unmapped_kdata_start = .; |
*(K_DATA_START); |
*(K_INI_PTLS); |
unmapped_kdata_end = .; |
} |
.mapped (PA2KA(BOOT_OFFSET)+SIZEOF(.unmapped)) : AT (SIZEOF(.unmapped)) { |
ktext_start = .; |
*(.text); |
ktext_end = .; |
kdata_start = .; |
*(.data); /* initialized data */ |
*(.rodata*); /* string literals */ |
hardcoded_load_address = .; |
QUAD(PA2KA(BOOT_OFFSET)); |
hardcoded_ktext_size = .; |
QUAD(ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start)); |
hardcoded_kdata_size = .; |
QUAD(kdata_end - kdata_start + (unmapped_kdata_end - unmapped_kdata_start)); |
hardcoded_unmapped_ktext_size = .; |
QUAD(unmapped_ktext_end - unmapped_ktext_start); |
hardcoded_unmapped_kdata_size = .; |
QUAD(unmapped_kdata_end - unmapped_kdata_start); |
*(COMMON); /* global variables */ |
symbol_table = .; |
*(symtab.*); /* Symbol table, must be LAST symbol!*/ |
*(.bss); /* uninitialized static variables */ |
kdata_end = .; |
} |
/DISCARD/ : { |
*(*); |
} |
#ifdef CONFIG_SMP |
_hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start); |
ap_boot = unmapped_ap_boot - BOOT_OFFSET + AP_BOOT_OFFSET; |
ap_gdtr = unmapped_ap_gdtr - BOOT_OFFSET + AP_BOOT_OFFSET; |
protected_ap_gdtr = PA2KA(ap_gdtr); |
#endif /* CONFIG_SMP */ |
} |
/branches/arm/kernel/arch/ia32/include/types.h |
---|
0,0 → 1,101 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_TYPES_H_ |
#define KERN_ia32_TYPES_H_ |
typedef signed char int8_t; |
typedef signed short int16_t; |
typedef signed long int32_t; |
typedef signed long long int64_t; |
typedef unsigned char uint8_t; |
typedef unsigned short uint16_t; |
typedef unsigned long uint32_t; |
typedef unsigned long long uint64_t; |
typedef uint32_t size_t; |
typedef uint32_t uintptr_t; |
typedef uint32_t pfn_t; |
typedef uint32_t ipl_t; |
typedef uint32_t unative_t; |
typedef int32_t native_t; |
typedef struct { |
} fncptr_t; |
#define PRIp "x" /**< Format for uintptr_t. */ |
#define PRIs "u" /**< Format for size_t. */ |
#define PRId8 "d" /**< Format for int8_t. */ |
#define PRId16 "d" /**< Format for int16_t. */ |
#define PRId32 "d" /**< Format for int32_t. */ |
#define PRId64 "lld" /**< Format for int64_t. */ |
#define PRIdn "d" /**< Format for native_t. */ |
#define PRIu8 "u" /**< Format for uint8_t. */ |
#define PRIu16 "u" /**< Format for uint16_t. */ |
#define PRIu32 "u" /**< Format for uint32_t. */ |
#define PRIu64 "llu" /**< Format for uint64_t. */ |
#define PRIun "u" /**< Format for unative_t. */ |
#define PRIx8 "x" /**< Format for hexadecimal (u)int8_t. */ |
#define PRIx16 "x" /**< Format for hexadecimal (u)int16_t. */ |
#define PRIx32 "x" /**< Format for hexadecimal (u)uint32_t. */ |
#define PRIx64 "llx" /**< Format for hexadecimal (u)int64_t. */ |
#define PRIxn "x" /**< Format for hexadecimal (u)native_t. */ |
/** Page Table Entry. */ |
typedef struct { |
unsigned present : 1; |
unsigned writeable : 1; |
unsigned uaccessible : 1; |
unsigned page_write_through : 1; |
unsigned page_cache_disable : 1; |
unsigned accessed : 1; |
unsigned dirty : 1; |
unsigned pat : 1; |
unsigned global : 1; |
unsigned soft_valid : 1; /**< Valid content even if the present bit is not set. */ |
unsigned avl : 2; |
unsigned frame_address : 20; |
} __attribute__ ((packed)) pte_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/smp/smp.h |
---|
0,0 → 1,54 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_SMP_H_ |
#define KERN_ia32_SMP_H_ |
#include <arch/types.h> |
/** SMP config opertaions interface. */ |
struct smp_config_operations { |
size_t (* cpu_count)(void); /**< Return number of detected processors. */ |
bool (* cpu_enabled)(size_t i); /**< Check whether the processor of index i is enabled. */ |
bool (*cpu_bootstrap)(size_t i); /**< Check whether the processor of index i is BSP. */ |
uint8_t (*cpu_apic_id)(size_t i); /**< Return APIC ID of the processor of index i. */ |
int (*irq_to_pin)(unsigned int irq); /**< Return mapping between irq and APIC pin. */ |
}; |
extern int smp_irq_to_pin(unsigned int irq); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/smp/apic.h |
---|
0,0 → 1,356 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_APIC_H_ |
#define KERN_ia32_APIC_H_ |
#include <arch/types.h> |
#include <cpu.h> |
#define FIXED (0<<0) |
#define LOPRI (1<<0) |
#define APIC_ID_COUNT 16 |
/* local APIC macros */ |
#define IPI_INIT 0 |
#define IPI_STARTUP 0 |
/** Delivery modes. */ |
#define DELMOD_FIXED 0x0 |
#define DELMOD_LOWPRI 0x1 |
#define DELMOD_SMI 0x2 |
/* 0x3 reserved */ |
#define DELMOD_NMI 0x4 |
#define DELMOD_INIT 0x5 |
#define DELMOD_STARTUP 0x6 |
#define DELMOD_EXTINT 0x7 |
/** Destination modes. */ |
#define DESTMOD_PHYS 0x0 |
#define DESTMOD_LOGIC 0x1 |
/** Trigger Modes. */ |
#define TRIGMOD_EDGE 0x0 |
#define TRIGMOD_LEVEL 0x1 |
/** Levels. */ |
#define LEVEL_DEASSERT 0x0 |
#define LEVEL_ASSERT 0x1 |
/** Destination Shorthands. */ |
#define SHORTHAND_NONE 0x0 |
#define SHORTHAND_SELF 0x1 |
#define SHORTHAND_ALL_INCL 0x2 |
#define SHORTHAND_ALL_EXCL 0x3 |
/** Interrupt Input Pin Polarities. */ |
#define POLARITY_HIGH 0x0 |
#define POLARITY_LOW 0x1 |
/** Divide Values. (Bit 2 is always 0) */ |
#define DIVIDE_2 0x0 |
#define DIVIDE_4 0x1 |
#define DIVIDE_8 0x2 |
#define DIVIDE_16 0x3 |
#define DIVIDE_32 0x8 |
#define DIVIDE_64 0x9 |
#define DIVIDE_128 0xa |
#define DIVIDE_1 0xb |
/** Timer Modes. */ |
#define TIMER_ONESHOT 0x0 |
#define TIMER_PERIODIC 0x1 |
/** Delivery status. */ |
#define DELIVS_IDLE 0x0 |
#define DELIVS_PENDING 0x1 |
/** Destination masks. */ |
#define DEST_ALL 0xff |
/** Dest format models. */ |
#define MODEL_FLAT 0xf |
#define MODEL_CLUSTER 0x0 |
/** Interrupt Command Register. */ |
#define ICRlo (0x300 / sizeof(uint32_t)) |
#define ICRhi (0x310 / sizeof(uint32_t)) |
typedef struct { |
union { |
uint32_t lo; |
struct { |
uint8_t vector; /**< Interrupt Vector. */ |
unsigned delmod : 3; /**< Delivery Mode. */ |
unsigned destmod : 1; /**< Destination Mode. */ |
unsigned delivs : 1; /**< Delivery status (RO). */ |
unsigned : 1; /**< Reserved. */ |
unsigned level : 1; /**< Level. */ |
unsigned trigger_mode : 1; /**< Trigger Mode. */ |
unsigned : 2; /**< Reserved. */ |
unsigned shorthand : 2; /**< Destination Shorthand. */ |
unsigned : 12; /**< Reserved. */ |
} __attribute__ ((packed)); |
}; |
union { |
uint32_t hi; |
struct { |
unsigned : 24; /**< Reserved. */ |
uint8_t dest; /**< Destination field. */ |
} __attribute__ ((packed)); |
}; |
} __attribute__ ((packed)) icr_t; |
/* End Of Interrupt. */ |
#define EOI (0x0b0 / sizeof(uint32_t)) |
/** Error Status Register. */ |
#define ESR (0x280 / sizeof(uint32_t)) |
typedef union { |
uint32_t value; |
uint8_t err_bitmap; |
struct { |
unsigned send_checksum_error : 1; |
unsigned receive_checksum_error : 1; |
unsigned send_accept_error : 1; |
unsigned receive_accept_error : 1; |
unsigned : 1; |
unsigned send_illegal_vector : 1; |
unsigned received_illegal_vector : 1; |
unsigned illegal_register_address : 1; |
unsigned : 24; |
} __attribute__ ((packed)); |
} esr_t; |
/* Task Priority Register */ |
#define TPR (0x080 / sizeof(uint32_t)) |
typedef union { |
uint32_t value; |
struct { |
unsigned pri_sc : 4; /**< Task Priority Sub-Class. */ |
unsigned pri : 4; /**< Task Priority. */ |
} __attribute__ ((packed)); |
} tpr_t; |
/** Spurious-Interrupt Vector Register. */ |
#define SVR (0x0f0 / sizeof(uint32_t)) |
typedef union { |
uint32_t value; |
struct { |
uint8_t vector; /**< Spurious Vector. */ |
unsigned lapic_enabled : 1; /**< APIC Software Enable/Disable. */ |
unsigned focus_checking : 1; /**< Focus Processor Checking. */ |
unsigned : 22; /**< Reserved. */ |
} __attribute__ ((packed)); |
} svr_t; |
/** Time Divide Configuration Register. */ |
#define TDCR (0x3e0 / sizeof(uint32_t)) |
typedef union { |
uint32_t value; |
struct { |
unsigned div_value : 4; /**< Divide Value, bit 2 is always 0. */ |
unsigned : 28; /**< Reserved. */ |
} __attribute__ ((packed)); |
} tdcr_t; |
/* Initial Count Register for Timer */ |
#define ICRT (0x380 / sizeof(uint32_t)) |
/* Current Count Register for Timer */ |
#define CCRT (0x390 / sizeof(uint32_t)) |
/** LVT Timer register. */ |
#define LVT_Tm (0x320 / sizeof(uint32_t)) |
typedef union { |
uint32_t value; |
struct { |
uint8_t vector; /**< Local Timer Interrupt vector. */ |
unsigned : 4; /**< Reserved. */ |
unsigned delivs : 1; /**< Delivery status (RO). */ |
unsigned : 3; /**< Reserved. */ |
unsigned masked : 1; /**< Interrupt Mask. */ |
unsigned mode : 1; /**< Timer Mode. */ |
unsigned : 14; /**< Reserved. */ |
} __attribute__ ((packed)); |
} lvt_tm_t; |
/** LVT LINT registers. */ |
#define LVT_LINT0 (0x350 / sizeof(uint32_t)) |
#define LVT_LINT1 (0x360 / sizeof(uint32_t)) |
typedef union { |
uint32_t value; |
struct { |
uint8_t vector; /**< LINT Interrupt vector. */ |
unsigned delmod : 3; /**< Delivery Mode. */ |
unsigned : 1; /**< Reserved. */ |
unsigned delivs : 1; /**< Delivery status (RO). */ |
unsigned intpol : 1; /**< Interrupt Input Pin Polarity. */ |
unsigned irr : 1; /**< Remote IRR (RO). */ |
unsigned trigger_mode : 1; /**< Trigger Mode. */ |
unsigned masked : 1; /**< Interrupt Mask. */ |
unsigned : 15; /**< Reserved. */ |
} __attribute__ ((packed)); |
} lvt_lint_t; |
/** LVT Error register. */ |
#define LVT_Err (0x370 / sizeof(uint32_t)) |
typedef union { |
uint32_t value; |
struct { |
uint8_t vector; /**< Local Timer Interrupt vector. */ |
unsigned : 4; /**< Reserved. */ |
unsigned delivs : 1; /**< Delivery status (RO). */ |
unsigned : 3; /**< Reserved. */ |
unsigned masked : 1; /**< Interrupt Mask. */ |
unsigned : 15; /**< Reserved. */ |
} __attribute__ ((packed)); |
} lvt_error_t; |
/** Local APIC ID Register. */ |
#define L_APIC_ID (0x020 / sizeof(uint32_t)) |
typedef union { |
uint32_t value; |
struct { |
unsigned : 24; /**< Reserved. */ |
uint8_t apic_id; /**< Local APIC ID. */ |
} __attribute__ ((packed)); |
} l_apic_id_t; |
/** Local APIC Version Register */ |
#define LAVR (0x030 / sizeof(uint32_t)) |
#define LAVR_Mask 0xff |
#define is_local_apic(x) (((x) & LAVR_Mask & 0xf0) == 0x1) |
#define is_82489DX_apic(x) ((((x) & LAVR_Mask & 0xf0) == 0x0)) |
#define is_local_xapic(x) (((x) & LAVR_Mask) == 0x14) |
/** Logical Destination Register. */ |
#define LDR (0x0d0 / sizeof(uint32_t)) |
typedef union { |
uint32_t value; |
struct { |
unsigned : 24; /**< Reserved. */ |
uint8_t id; /**< Logical APIC ID. */ |
} __attribute__ ((packed)); |
} ldr_t; |
/** Destination Format Register. */ |
#define DFR (0x0e0 / sizeof(uint32_t)) |
typedef union { |
uint32_t value; |
struct { |
unsigned : 28; /**< Reserved, all ones. */ |
unsigned model : 4; /**< Model. */ |
} __attribute__ ((packed)); |
} dfr_t; |
/* IO APIC */ |
#define IOREGSEL (0x00 / sizeof(uint32_t)) |
#define IOWIN (0x10 / sizeof(uint32_t)) |
#define IOAPICID 0x00 |
#define IOAPICVER 0x01 |
#define IOAPICARB 0x02 |
#define IOREDTBL 0x10 |
/** I/O Register Select Register. */ |
typedef union { |
uint32_t value; |
struct { |
uint8_t reg_addr; /**< APIC Register Address. */ |
unsigned : 24; /**< Reserved. */ |
} __attribute__ ((packed)); |
} io_regsel_t; |
/** I/O Redirection Register. */ |
typedef struct io_redirection_reg { |
union { |
uint32_t lo; |
struct { |
uint8_t intvec; /**< Interrupt Vector. */ |
unsigned delmod : 3; /**< Delivery Mode. */ |
unsigned destmod : 1; /**< Destination mode. */ |
unsigned delivs : 1; /**< Delivery status (RO). */ |
unsigned intpol : 1; /**< Interrupt Input Pin Polarity. */ |
unsigned irr : 1; /**< Remote IRR (RO). */ |
unsigned trigger_mode : 1; /**< Trigger Mode. */ |
unsigned masked : 1; /**< Interrupt Mask. */ |
unsigned : 15; /**< Reserved. */ |
} __attribute__ ((packed)); |
}; |
union { |
uint32_t hi; |
struct { |
unsigned : 24; /**< Reserved. */ |
uint8_t dest : 8; /**< Destination Field. */ |
} __attribute__ ((packed)); |
}; |
} __attribute__ ((packed)) io_redirection_reg_t; |
/** IO APIC Identification Register. */ |
typedef union { |
uint32_t value; |
struct { |
unsigned : 24; /**< Reserved. */ |
unsigned apic_id : 4; /**< IO APIC ID. */ |
unsigned : 4; /**< Reserved. */ |
} __attribute__ ((packed)); |
} io_apic_id_t; |
extern volatile uint32_t *l_apic; |
extern volatile uint32_t *io_apic; |
extern uint32_t apic_id_mask; |
extern void apic_init(void); |
extern void l_apic_init(void); |
extern void l_apic_eoi(void); |
extern int l_apic_broadcast_custom_ipi(uint8_t vector); |
extern int l_apic_send_init_ipi(uint8_t apicid); |
extern void l_apic_debug(void); |
extern uint8_t l_apic_id(void); |
extern uint32_t io_apic_read(uint8_t address); |
extern void io_apic_write(uint8_t address , uint32_t x); |
extern void io_apic_change_ioredtbl(uint8_t pin, uint8_t dest, uint8_t v, int flags); |
extern void io_apic_disable_irqs(uint16_t irqmask); |
extern void io_apic_enable_irqs(uint16_t irqmask); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/smp/mps.h |
---|
0,0 → 1,129 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_MPS_H_ |
#define KERN_ia32_MPS_H_ |
#include <arch/types.h> |
#include <synch/waitq.h> |
#include <config.h> |
#include <arch/smp/smp.h> |
#define CT_EXT_ENTRY_TYPE 0 |
#define CT_EXT_ENTRY_LEN 1 |
struct mps_fs { |
uint32_t signature; |
uint32_t configuration_table; |
uint8_t length; |
uint8_t revision; |
uint8_t checksum; |
uint8_t config_type; |
uint8_t mpfib2; |
uint8_t mpfib3; |
uint8_t mpfib4; |
uint8_t mpfib5; |
} __attribute__ ((packed)); |
struct mps_ct { |
uint32_t signature; |
uint16_t base_table_length; |
uint8_t revision; |
uint8_t checksum; |
uint8_t oem_id[8]; |
uint8_t product_id[12]; |
uint32_t oem_table; |
uint16_t oem_table_size; |
uint16_t entry_count; |
uint32_t l_apic; |
uint16_t ext_table_length; |
uint8_t ext_table_checksum; |
uint8_t xxx; |
uint8_t base_table[0]; |
} __attribute__ ((packed)); |
struct __processor_entry { |
uint8_t type; |
uint8_t l_apic_id; |
uint8_t l_apic_version; |
uint8_t cpu_flags; |
uint8_t cpu_signature[4]; |
uint32_t feature_flags; |
uint32_t xxx[2]; |
} __attribute__ ((packed)); |
struct __bus_entry { |
uint8_t type; |
uint8_t bus_id; |
uint8_t bus_type[6]; |
} __attribute__ ((packed)); |
struct __io_apic_entry { |
uint8_t type; |
uint8_t io_apic_id; |
uint8_t io_apic_version; |
uint8_t io_apic_flags; |
uint32_t io_apic; |
} __attribute__ ((packed)); |
struct __io_intr_entry { |
uint8_t type; |
uint8_t intr_type; |
uint8_t poel; |
uint8_t xxx; |
uint8_t src_bus_id; |
uint8_t src_bus_irq; |
uint8_t dst_io_apic_id; |
uint8_t dst_io_apic_pin; |
} __attribute__ ((packed)); |
struct __l_intr_entry { |
uint8_t type; |
uint8_t intr_type; |
uint8_t poel; |
uint8_t xxx; |
uint8_t src_bus_id; |
uint8_t src_bus_irq; |
uint8_t dst_l_apic_id; |
uint8_t dst_l_apic_pin; |
} __attribute__ ((packed)); |
extern struct smp_config_operations mps_config_operations; |
extern void mps_init(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/smp/ap.h |
---|
0,0 → 1,43 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_AP_H_ |
#define KERN_ia32_AP_H_ |
extern void ap_boot(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/proc/task.h |
---|
0,0 → 1,51 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32proc |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_TASK_H_ |
#define KERN_ia32_TASK_H_ |
#include <arch/types.h> |
#include <adt/bitmap.h> |
typedef struct { |
/** I/O Permission bitmap Generation counter. */ |
size_t iomapver; |
/** I/O Permission bitmap. */ |
bitmap_t iomap; |
} task_arch_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/proc/thread.h |
---|
0,0 → 1,50 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32proc |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_THREAD_H_ |
#define KERN_ia32_THREAD_H_ |
#include <arch/types.h> |
typedef struct { |
unative_t tls; |
} thread_arch_t; |
#define thr_constructor_arch(t) |
#define thr_destructor_arch(t) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/mm/page.h |
---|
0,0 → 1,188 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_PAGE_H_ |
#define KERN_ia32_PAGE_H_ |
#include <arch/mm/frame.h> |
#define PAGE_WIDTH FRAME_WIDTH |
#define PAGE_SIZE FRAME_SIZE |
#ifdef KERNEL |
#ifndef __ASM__ |
# define KA2PA(x) (((uintptr_t) (x)) - 0x80000000) |
# define PA2KA(x) (((uintptr_t) (x)) + 0x80000000) |
#else |
# define KA2PA(x) ((x) - 0x80000000) |
# define PA2KA(x) ((x) + 0x80000000) |
#endif |
/* |
* Implementation of generic 4-level page table interface. |
* IA-32 has 2-level page tables, so PTL1 and PTL2 are left out. |
*/ |
/* Number of entries in each level. */ |
#define PTL0_ENTRIES_ARCH 1024 |
#define PTL1_ENTRIES_ARCH 0 |
#define PTL2_ENTRIES_ARCH 0 |
#define PTL3_ENTRIES_ARCH 1024 |
/* Page table sizes for each level. */ |
#define PTL0_SIZE_ARCH ONE_FRAME |
#define PTL1_SIZE_ARCH 0 |
#define PTL2_SIZE_ARCH 0 |
#define PTL3_SIZE_ARCH ONE_FRAME |
/* Macros calculating indices for each level. */ |
#define PTL0_INDEX_ARCH(vaddr) (((vaddr) >> 22) & 0x3ff) |
#define PTL1_INDEX_ARCH(vaddr) 0 |
#define PTL2_INDEX_ARCH(vaddr) 0 |
#define PTL3_INDEX_ARCH(vaddr) (((vaddr) >> 12) & 0x3ff) |
/* Get PTE address accessors for each level. */ |
#define GET_PTL1_ADDRESS_ARCH(ptl0, i) \ |
((pte_t *) ((((pte_t *) (ptl0))[(i)].frame_address) << 12)) |
#define GET_PTL2_ADDRESS_ARCH(ptl1, i) \ |
(ptl1) |
#define GET_PTL3_ADDRESS_ARCH(ptl2, i) \ |
(ptl2) |
#define GET_FRAME_ADDRESS_ARCH(ptl3, i) \ |
((uintptr_t) ((((pte_t *) (ptl3))[(i)].frame_address) << 12)) |
/* Set PTE address accessors for each level. */ |
#define SET_PTL0_ADDRESS_ARCH(ptl0) \ |
(write_cr3((uintptr_t) (ptl0))) |
#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a) \ |
(((pte_t *) (ptl0))[(i)].frame_address = (a) >> 12) |
#define SET_PTL2_ADDRESS_ARCH(ptl1, i, a) |
#define SET_PTL3_ADDRESS_ARCH(ptl2, i, a) |
#define SET_FRAME_ADDRESS_ARCH(ptl3, i, a) \ |
(((pte_t *) (ptl3))[(i)].frame_address = (a) >> 12) |
/* Get PTE flags accessors for each level. */ |
#define GET_PTL1_FLAGS_ARCH(ptl0, i) \ |
get_pt_flags((pte_t *) (ptl0), (size_t) (i)) |
#define GET_PTL2_FLAGS_ARCH(ptl1, i) \ |
PAGE_PRESENT |
#define GET_PTL3_FLAGS_ARCH(ptl2, i) \ |
PAGE_PRESENT |
#define GET_FRAME_FLAGS_ARCH(ptl3, i) \ |
get_pt_flags((pte_t *) (ptl3), (size_t) (i)) |
/* Set PTE flags accessors for each level. */ |
#define SET_PTL1_FLAGS_ARCH(ptl0, i, x) \ |
set_pt_flags((pte_t *) (ptl0), (size_t) (i), (x)) |
#define SET_PTL2_FLAGS_ARCH(ptl1, i, x) |
#define SET_PTL3_FLAGS_ARCH(ptl2, i, x) |
#define SET_FRAME_FLAGS_ARCH(ptl3, i, x) \ |
set_pt_flags((pte_t *) (ptl3), (size_t) (i), (x)) |
/* Macros for querying the last level entries. */ |
#define PTE_VALID_ARCH(p) \ |
(*((uint32_t *) (p)) != 0) |
#define PTE_PRESENT_ARCH(p) \ |
((p)->present != 0) |
#define PTE_GET_FRAME_ARCH(p) \ |
((p)->frame_address << FRAME_WIDTH) |
#define PTE_WRITABLE_ARCH(p) \ |
((p)->writeable != 0) |
#define PTE_EXECUTABLE_ARCH(p) 1 |
#ifndef __ASM__ |
#include <mm/mm.h> |
#include <arch/interrupt.h> |
#include <arch/types.h> |
#include <typedefs.h> |
/* Page fault error codes. */ |
/** When bit on this position is 0, the page fault was caused by a not-present |
* page. |
*/ |
#define PFERR_CODE_P (1 << 0) |
/** When bit on this position is 1, the page fault was caused by a write. */ |
#define PFERR_CODE_RW (1 << 1) |
/** When bit on this position is 1, the page fault was caused in user mode. */ |
#define PFERR_CODE_US (1 << 2) |
/** When bit on this position is 1, a reserved bit was set in page directory. */ |
#define PFERR_CODE_RSVD (1 << 3) |
static inline int get_pt_flags(pte_t *pt, size_t i) |
{ |
pte_t *p = &pt[i]; |
return ((!p->page_cache_disable) << PAGE_CACHEABLE_SHIFT | |
(!p->present) << PAGE_PRESENT_SHIFT | |
p->uaccessible << PAGE_USER_SHIFT | |
1 << PAGE_READ_SHIFT | |
p->writeable << PAGE_WRITE_SHIFT | |
1 << PAGE_EXEC_SHIFT | |
p->global << PAGE_GLOBAL_SHIFT); |
} |
static inline void set_pt_flags(pte_t *pt, size_t i, int flags) |
{ |
pte_t *p = &pt[i]; |
p->page_cache_disable = !(flags & PAGE_CACHEABLE); |
p->present = !(flags & PAGE_NOT_PRESENT); |
p->uaccessible = (flags & PAGE_USER) != 0; |
p->writeable = (flags & PAGE_WRITE) != 0; |
p->global = (flags & PAGE_GLOBAL) != 0; |
/* |
* Ensure that there is at least one bit set even if the present bit is |
* cleared. |
*/ |
p->soft_valid = true; |
} |
extern void page_arch_init(void); |
extern void page_fault(int n, istate_t *istate); |
#endif /* __ASM__ */ |
#endif /* KERNEL */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/mm/frame.h |
---|
0,0 → 1,57 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_FRAME_H_ |
#define KERN_ia32_FRAME_H_ |
#define FRAME_WIDTH 12 /* 4K */ |
#define FRAME_SIZE (1 << FRAME_WIDTH) |
#ifdef KERNEL |
#ifndef __ASM__ |
#include <arch/types.h> |
extern uintptr_t last_frame; |
extern void frame_arch_init(void); |
extern void physmem_print(void); |
#endif /* __ASM__ */ |
#endif /* KERNEL */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/mm/tlb.h |
---|
0,0 → 1,41 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_TLB_H_ |
#define KERN_ia32_TLB_H_ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/mm/as.h |
---|
0,0 → 1,64 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_AS_H_ |
#define KERN_ia32_AS_H_ |
#define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 0 |
#define KERNEL_ADDRESS_SPACE_START_ARCH ((unsigned long) 0x80000000) |
#define KERNEL_ADDRESS_SPACE_END_ARCH ((unsigned long) 0xffffffff) |
#define USER_ADDRESS_SPACE_START_ARCH ((unsigned long) 0x00000000) |
#define USER_ADDRESS_SPACE_END_ARCH ((unsigned long) 0x7fffffff) |
#define USTACK_ADDRESS_ARCH (USER_ADDRESS_SPACE_END_ARCH - (PAGE_SIZE - 1)) |
typedef struct { |
} as_arch_t; |
#include <genarch/mm/as_pt.h> |
#define as_constructor_arch(as, flags) (as != as) |
#define as_destructor_arch(as) (as != as) |
#define as_create_arch(as, flags) (as != as) |
#define as_install_arch(as) |
#define as_deinstall_arch(as) |
#define as_invalidate_translation_cache(as, page, cnt) |
extern void as_arch_init(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/mm/asid.h |
---|
0,0 → 1,57 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32mm |
* @{ |
*/ |
/** @file |
* @ingroup ia32mm, amd64mm |
*/ |
/* |
* ia32 has no hardware support for address space identifiers. |
* This file is provided to do nop-implementation of mm/asid.h |
* interface. |
*/ |
#ifndef KERN_ia32_ASID_H_ |
#define KERN_ia32_ASID_H_ |
#include <arch/types.h> |
typedef int32_t asid_t; |
#define ASID_MAX_ARCH 3 |
#define asid_get() (ASID_START + 1) |
#define asid_put(asid) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/cpu.h |
---|
0,0 → 1,68 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_CPU_H_ |
#define KERN_ia32_CPU_H_ |
#define EFLAGS_IF (1 << 9) |
#define EFLAGS_RF (1 << 16) |
#define CR4_OSFXSR_MASK (1<<9) |
/* Support for SYSENTER and SYSEXIT */ |
#define IA32_MSR_SYSENTER_CS 0x174 |
#define IA32_MSR_SYSENTER_ESP 0x175 |
#define IA32_MSR_SYSENTER_EIP 0x176 |
#ifndef __ASM__ |
#include <arch/pm.h> |
#include <arch/asm.h> |
typedef struct { |
unsigned int vendor; |
unsigned int family; |
unsigned int model; |
unsigned int stepping; |
tss_t *tss; |
size_t iomapver_copy; /** Copy of TASK's I/O Permission bitmap generation count. */ |
} cpu_arch_t; |
#endif |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/atomic.h |
---|
0,0 → 1,137 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_ATOMIC_H_ |
#define KERN_ia32_ATOMIC_H_ |
#include <arch/types.h> |
#include <arch/barrier.h> |
#include <preemption.h> |
static inline void atomic_inc(atomic_t *val) { |
#ifdef CONFIG_SMP |
asm volatile ( |
"lock incl %[count]\n" |
: [count] "+m" (val->count) |
); |
#else |
asm volatile ( |
"incl %[count]\n" |
: [count] "+m" (val->count) |
); |
#endif /* CONFIG_SMP */ |
} |
static inline void atomic_dec(atomic_t *val) { |
#ifdef CONFIG_SMP |
asm volatile ( |
"lock decl %[count]\n" |
: [count] "+m" (val->count) |
); |
#else |
asm volatile ( |
"decl %[count]\n" |
: [count] "+m" (val->count) |
); |
#endif /* CONFIG_SMP */ |
} |
static inline long atomic_postinc(atomic_t *val) |
{ |
long r = 1; |
asm volatile ( |
"lock xaddl %[r], %[count]\n" |
: [count] "+m" (val->count), [r] "+r" (r) |
); |
return r; |
} |
static inline long atomic_postdec(atomic_t *val) |
{ |
long r = -1; |
asm volatile ( |
"lock xaddl %[r], %[count]\n" |
: [count] "+m" (val->count), [r] "+r"(r) |
); |
return r; |
} |
#define atomic_preinc(val) (atomic_postinc(val) + 1) |
#define atomic_predec(val) (atomic_postdec(val) - 1) |
static inline uint32_t test_and_set(atomic_t *val) { |
uint32_t v; |
asm volatile ( |
"movl $1, %[v]\n" |
"xchgl %[v], %[count]\n" |
: [v] "=r" (v), [count] "+m" (val->count) |
); |
return v; |
} |
/** ia32 specific fast spinlock */ |
static inline void atomic_lock_arch(atomic_t *val) |
{ |
uint32_t tmp; |
preemption_disable(); |
asm volatile ( |
"0:\n" |
"pause\n" /* Pentium 4's HT love this instruction */ |
"mov %[count], %[tmp]\n" |
"testl %[tmp], %[tmp]\n" |
"jnz 0b\n" /* lightweight looping on locked spinlock */ |
"incl %[tmp]\n" /* now use the atomic operation */ |
"xchgl %[count], %[tmp]\n" |
"testl %[tmp], %[tmp]\n" |
"jnz 0b\n" |
: [count] "+m" (val->count), [tmp] "=&r" (tmp) |
); |
/* |
* Prevent critical section code from bleeding out this way up. |
*/ |
CS_ENTER_BARRIER(); |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/cpuid.h |
---|
0,0 → 1,118 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_CPUID_H_ |
#define KERN_ia32_CPUID_H_ |
#define INTEL_CPUID_LEVEL 0x00000000 |
#define INTEL_CPUID_STANDARD 0x00000001 |
#define INTEL_PSE 3 |
#define INTEL_SEP 11 |
#ifndef __ASM__ |
#include <arch/types.h> |
typedef struct { |
uint32_t cpuid_eax; |
uint32_t cpuid_ebx; |
uint32_t cpuid_ecx; |
uint32_t cpuid_edx; |
} __attribute__ ((packed)) cpu_info_t; |
struct __cpuid_extended_feature_info { |
unsigned sse3 : 1; |
unsigned : 31; |
} __attribute__ ((packed)); |
typedef union cpuid_extended_feature_info { |
struct __cpuid_extended_feature_info bits; |
uint32_t word; |
} cpuid_extended_feature_info; |
struct __cpuid_feature_info { |
unsigned : 23; |
unsigned mmx : 1; |
unsigned fxsr : 1; |
unsigned sse : 1; |
unsigned sse2 : 1; |
unsigned : 5; |
} __attribute__ ((packed)); |
typedef union cpuid_feature_info { |
struct __cpuid_feature_info bits; |
uint32_t word; |
} cpuid_feature_info; |
static inline uint32_t has_cpuid(void) |
{ |
uint32_t val, ret; |
asm volatile ( |
"pushf\n" /* read flags */ |
"popl %[ret]\n" |
"movl %[ret], %[val]\n" |
"btcl $21, %[val]\n" /* swap the ID bit */ |
"pushl %[val]\n" /* propagate the change into flags */ |
"popf\n" |
"pushf\n" |
"popl %[val]\n" |
"andl $(1 << 21), %[ret]\n" /* interrested only in ID bit */ |
"andl $(1 << 21), %[val]\n" |
"xorl %[val], %[ret]\n" |
: [ret] "=r" (ret), [val] "=r" (val) |
); |
return ret; |
} |
static inline void cpuid(uint32_t cmd, cpu_info_t *info) |
{ |
asm volatile ( |
"cpuid\n" |
: "=a" (info->cpuid_eax), "=b" (info->cpuid_ebx), |
"=c" (info->cpuid_ecx), "=d" (info->cpuid_edx) |
: "a" (cmd) |
); |
} |
#endif /* !def __ASM__ */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/pm.h |
---|
0,0 → 1,176 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_PM_H_ |
#define KERN_ia32_PM_H_ |
#define IDT_ITEMS 64 |
#define GDT_ITEMS 7 |
#define NULL_DES 0 |
#define KTEXT_DES 1 |
#define KDATA_DES 2 |
#define UTEXT_DES 3 |
#define UDATA_DES 4 |
#define TSS_DES 5 |
#define TLS_DES 6 /* Pointer to Thread-Local-Storage data */ |
#ifdef CONFIG_FB |
#define VESA_INIT_SEGMENT 0x8000 |
#define VESA_INIT_DES 7 |
#define KTEXT32_DES KTEXT_DES |
#undef GDT_ITEMS |
#define GDT_ITEMS 8 |
#endif /* CONFIG_FB */ |
#define gdtselector(des) ((des) << 3) |
#define PL_KERNEL 0 |
#define PL_USER 3 |
#define AR_PRESENT (1 << 7) |
#define AR_DATA (2 << 3) |
#define AR_CODE (3 << 3) |
#define AR_WRITABLE (1 << 1) |
#define AR_INTERRUPT (0x0e) |
#define AR_TSS (0x09) |
#define DPL_KERNEL (PL_KERNEL << 5) |
#define DPL_USER (PL_USER << 5) |
#define TSS_BASIC_SIZE 104 |
#define TSS_IOMAP_SIZE (16 * 1024 + 1) /* 16K for bitmap + 1 terminating byte for convenience */ |
#define IO_PORTS (64 * 1024) |
#ifndef __ASM__ |
#include <arch/types.h> |
#include <arch/context.h> |
typedef struct { |
uint16_t limit; |
uint32_t base; |
} __attribute__ ((packed)) ptr_16_32_t; |
typedef struct { |
unsigned limit_0_15: 16; |
unsigned base_0_15: 16; |
unsigned base_16_23: 8; |
unsigned access: 8; |
unsigned limit_16_19: 4; |
unsigned available: 1; |
unsigned unused: 1; |
unsigned special: 1; |
unsigned granularity : 1; |
unsigned base_24_31: 8; |
} __attribute__ ((packed)) descriptor_t; |
typedef struct { |
unsigned offset_0_15: 16; |
unsigned selector: 16; |
unsigned unused: 8; |
unsigned access: 8; |
unsigned offset_16_31: 16; |
} __attribute__ ((packed)) idescriptor_t; |
typedef struct { |
uint16_t link; |
unsigned : 16; |
uint32_t esp0; |
uint16_t ss0; |
unsigned : 16; |
uint32_t esp1; |
uint16_t ss1; |
unsigned : 16; |
uint32_t esp2; |
uint16_t ss2; |
unsigned : 16; |
uint32_t cr3; |
uint32_t eip; |
uint32_t eflags; |
uint32_t eax; |
uint32_t ecx; |
uint32_t edx; |
uint32_t ebx; |
uint32_t esp; |
uint32_t ebp; |
uint32_t esi; |
uint32_t edi; |
uint16_t es; |
unsigned : 16; |
uint16_t cs; |
unsigned : 16; |
uint16_t ss; |
unsigned : 16; |
uint16_t ds; |
unsigned : 16; |
uint16_t fs; |
unsigned : 16; |
uint16_t gs; |
unsigned : 16; |
uint16_t ldtr; |
unsigned : 16; |
unsigned : 16; |
uint16_t iomap_base; |
uint8_t iomap[TSS_IOMAP_SIZE]; |
} __attribute__ ((packed)) tss_t; |
extern ptr_16_32_t gdtr; |
extern ptr_16_32_t bootstrap_gdtr; |
extern ptr_16_32_t protected_ap_gdtr; |
extern tss_t *tss_p; |
extern descriptor_t gdt[]; |
extern void pm_init(void); |
extern void gdt_setbase(descriptor_t *d, uintptr_t base); |
extern void gdt_setlimit(descriptor_t *d, uint32_t limit); |
extern void idt_init(void); |
extern void idt_setoffset(idescriptor_t *d, uintptr_t offset); |
extern void tss_initialize(tss_t *t); |
extern void set_tls_desc(uintptr_t tls); |
#endif /* __ASM__ */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/drivers/i8254.h |
---|
0,0 → 1,47 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_I8254_H_ |
#define KERN_ia32_I8254_H_ |
#include <arch/types.h> |
extern void i8254_init(void); |
extern void i8254_calibrate_delay_loop(void); |
extern void i8254_normal_operation(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/drivers/vesa.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2006 Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_VESA_H_ |
#define KERN_ia32_VESA_H_ |
extern int vesa_present(void); |
extern void vesa_redraw(void); |
extern void vesa_init(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/drivers/i8259.h |
---|
0,0 → 1,57 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_I8259_H_ |
#define KERN_ia32_I8259_H_ |
#include <arch/types.h> |
#include <arch/interrupt.h> |
#define PIC_PIC0PORT1 ((ioport8_t *) 0x20) |
#define PIC_PIC0PORT2 ((ioport8_t *) 0x21) |
#define PIC_PIC1PORT1 ((ioport8_t *) 0xa0) |
#define PIC_PIC1PORT2 ((ioport8_t *) 0xa1) |
#define PIC_NEEDICW4 (1 << 0) |
#define PIC_ICW1 (1 << 4) |
extern void i8259_init(void); |
extern void pic_enable_irqs(uint16_t irqmask); |
extern void pic_disable_irqs(uint16_t irqmask); |
extern void pic_eoi(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/asm.h |
---|
0,0 → 1,427 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* Copyright (c) 2005 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_ASM_H_ |
#define KERN_ia32_ASM_H_ |
#include <arch/pm.h> |
#include <arch/types.h> |
#include <typedefs.h> |
#include <config.h> |
extern uint32_t interrupt_handler_size; |
extern void paging_on(void); |
extern void interrupt_handlers(void); |
extern void enable_l_apic_in_msr(void); |
extern void asm_delay_loop(uint32_t t); |
extern void asm_fake_loop(uint32_t t); |
/** Halt CPU |
* |
* Halt the current CPU. |
* |
*/ |
static inline void cpu_halt(void) |
{ |
asm volatile ( |
"0:\n" |
" hlt\n" |
" jmp 0b\n" |
); |
} |
static inline void cpu_sleep(void) |
{ |
asm volatile ("hlt\n"); |
} |
#define GEN_READ_REG(reg) static inline unative_t read_ ##reg (void) \ |
{ \ |
unative_t res; \ |
asm volatile ( \ |
"movl %%" #reg ", %[res]" \ |
: [res] "=r" (res) \ |
); \ |
return res; \ |
} |
#define GEN_WRITE_REG(reg) static inline void write_ ##reg (unative_t regn) \ |
{ \ |
asm volatile ( \ |
"movl %[regn], %%" #reg \ |
:: [regn] "r" (regn) \ |
); \ |
} |
GEN_READ_REG(cr0) |
GEN_READ_REG(cr2) |
GEN_READ_REG(cr3) |
GEN_WRITE_REG(cr3) |
GEN_READ_REG(dr0) |
GEN_READ_REG(dr1) |
GEN_READ_REG(dr2) |
GEN_READ_REG(dr3) |
GEN_READ_REG(dr6) |
GEN_READ_REG(dr7) |
GEN_WRITE_REG(dr0) |
GEN_WRITE_REG(dr1) |
GEN_WRITE_REG(dr2) |
GEN_WRITE_REG(dr3) |
GEN_WRITE_REG(dr6) |
GEN_WRITE_REG(dr7) |
/** Byte to port |
* |
* Output byte to port |
* |
* @param port Port to write to |
* @param val Value to write |
* |
*/ |
static inline void pio_write_8(ioport8_t *port, uint8_t val) |
{ |
asm volatile ( |
"outb %b[val], %w[port]\n" |
:: [val] "a" (val), [port] "d" (port) |
); |
} |
/** Word to port |
* |
* Output word to port |
* |
* @param port Port to write to |
* @param val Value to write |
* |
*/ |
static inline void pio_write_16(ioport16_t *port, uint16_t val) |
{ |
asm volatile ( |
"outw %w[val], %w[port]\n" |
:: [val] "a" (val), [port] "d" (port) |
); |
} |
/** Double word to port |
* |
* Output double word to port |
* |
* @param port Port to write to |
* @param val Value to write |
* |
*/ |
static inline void pio_write_32(ioport32_t *port, uint32_t val) |
{ |
asm volatile ( |
"outl %[val], %w[port]\n" |
:: [val] "a" (val), [port] "d" (port) |
); |
} |
/** Byte from port |
* |
* Get byte from port |
* |
* @param port Port to read from |
* @return Value read |
* |
*/ |
static inline uint8_t pio_read_8(ioport8_t *port) |
{ |
uint8_t val; |
asm volatile ( |
"inb %w[port], %b[val]\n" |
: [val] "=a" (val) |
: [port] "d" (port) |
); |
return val; |
} |
/** Word from port |
* |
* Get word from port |
* |
* @param port Port to read from |
* @return Value read |
* |
*/ |
static inline uint16_t pio_read_16(ioport16_t *port) |
{ |
uint16_t val; |
asm volatile ( |
"inw %w[port], %w[val]\n" |
: [val] "=a" (val) |
: [port] "d" (port) |
); |
return val; |
} |
/** Double word from port |
* |
* Get double word from port |
* |
* @param port Port to read from |
* @return Value read |
* |
*/ |
static inline uint32_t pio_read_32(ioport32_t *port) |
{ |
uint32_t val; |
asm volatile ( |
"inl %w[port], %[val]\n" |
: [val] "=a" (val) |
: [port] "d" (port) |
); |
return val; |
} |
/** Enable interrupts. |
* |
* Enable interrupts and return previous |
* value of EFLAGS. |
* |
* @return Old interrupt priority level. |
* |
*/ |
static inline ipl_t interrupts_enable(void) |
{ |
ipl_t v; |
asm volatile ( |
"pushf\n" |
"popl %[v]\n" |
"sti\n" |
: [v] "=r" (v) |
); |
return v; |
} |
/** Disable interrupts. |
* |
* Disable interrupts and return previous |
* value of EFLAGS. |
* |
* @return Old interrupt priority level. |
* |
*/ |
static inline ipl_t interrupts_disable(void) |
{ |
ipl_t v; |
asm volatile ( |
"pushf\n" |
"popl %[v]\n" |
"cli\n" |
: [v] "=r" (v) |
); |
return v; |
} |
/** Restore interrupt priority level. |
* |
* Restore EFLAGS. |
* |
* @param ipl Saved interrupt priority level. |
* |
*/ |
static inline void interrupts_restore(ipl_t ipl) |
{ |
asm volatile ( |
"pushl %[ipl]\n" |
"popf\n" |
:: [ipl] "r" (ipl) |
); |
} |
/** Return interrupt priority level. |
* |
* @return EFLAFS. |
* |
*/ |
static inline ipl_t interrupts_read(void) |
{ |
ipl_t v; |
asm volatile ( |
"pushf\n" |
"popl %[v]\n" |
: [v] "=r" (v) |
); |
return v; |
} |
/** Write to MSR */ |
static inline void write_msr(uint32_t msr, uint64_t value) |
{ |
asm volatile ( |
"wrmsr" |
:: "c" (msr), "a" ((uint32_t) (value)), |
"d" ((uint32_t) (value >> 32)) |
); |
} |
static inline uint64_t read_msr(uint32_t msr) |
{ |
uint32_t ax, dx; |
asm volatile ( |
"rdmsr" |
: "=a" (ax), "=d" (dx) |
: "c" (msr) |
); |
return ((uint64_t) dx << 32) | ax; |
} |
/** Return base address of current stack |
* |
* Return the base address of the current stack. |
* The stack is assumed to be STACK_SIZE bytes long. |
* The stack must start on page boundary. |
* |
*/ |
static inline uintptr_t get_stack_base(void) |
{ |
uintptr_t v; |
asm volatile ( |
"andl %%esp, %[v]\n" |
: [v] "=r" (v) |
: "0" (~(STACK_SIZE - 1)) |
); |
return v; |
} |
/** Return current IP address */ |
static inline uintptr_t * get_ip() |
{ |
uintptr_t *ip; |
asm volatile ( |
"mov %%eip, %[ip]" |
: [ip] "=r" (ip) |
); |
return ip; |
} |
/** Invalidate TLB Entry. |
* |
* @param addr Address on a page whose TLB entry is to be invalidated. |
* |
*/ |
static inline void invlpg(uintptr_t addr) |
{ |
asm volatile ( |
"invlpg %[addr]\n" |
:: [addr] "m" (*(unative_t *) addr) |
); |
} |
/** Load GDTR register from memory. |
* |
* @param gdtr_reg Address of memory from where to load GDTR. |
* |
*/ |
static inline void gdtr_load(ptr_16_32_t *gdtr_reg) |
{ |
asm volatile ( |
"lgdtl %[gdtr_reg]\n" |
:: [gdtr_reg] "m" (*gdtr_reg) |
); |
} |
/** Store GDTR register to memory. |
* |
* @param gdtr_reg Address of memory to where to load GDTR. |
* |
*/ |
static inline void gdtr_store(ptr_16_32_t *gdtr_reg) |
{ |
asm volatile ( |
"sgdtl %[gdtr_reg]\n" |
:: [gdtr_reg] "m" (*gdtr_reg) |
); |
} |
/** Load IDTR register from memory. |
* |
* @param idtr_reg Address of memory from where to load IDTR. |
* |
*/ |
static inline void idtr_load(ptr_16_32_t *idtr_reg) |
{ |
asm volatile ( |
"lidtl %[idtr_reg]\n" |
:: [idtr_reg] "m" (*idtr_reg) |
); |
} |
/** Load TR from descriptor table. |
* |
* @param sel Selector specifying descriptor of TSS segment. |
* |
*/ |
static inline void tr_load(uint16_t sel) |
{ |
asm volatile ( |
"ltr %[sel]" |
:: [sel] "r" (sel) |
); |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/boot/boot.h |
---|
0,0 → 1,59 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_BOOT_H_ |
#define KERN_ia32_BOOT_H_ |
#define BOOT_OFFSET 0x108000 |
#define AP_BOOT_OFFSET 0x8000 |
#define BOOT_STACK_SIZE 0x400 |
#define MULTIBOOT_HEADER_MAGIC 0x1BADB002 |
#define MULTIBOOT_HEADER_FLAGS 0x00010003 |
#ifndef __ASM__ |
#ifdef CONFIG_SMP |
/* This is only a symbol so the type is dummy. Obtain the value using &. */ |
extern int _hardcoded_unmapped_size; |
#endif /* CONFIG_SMP */ |
#endif /* __ASM__ */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/boot/memmap.h |
---|
0,0 → 1,79 |
/* |
* Copyright (c) 2005 Josef Cejka |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_MEMMAP_H_ |
#define KERN_ia32_MEMMAP_H_ |
/* E820h memory range types */ |
/* Free memory */ |
#define MEMMAP_MEMORY_AVAILABLE 1 |
/* Not available for OS */ |
#define MEMMAP_MEMORY_RESERVED 2 |
/* OS may use it after reading ACPI table */ |
#define MEMMAP_MEMORY_ACPI 3 |
/* Unusable, required to be saved and restored across an NVS sleep */ |
#define MEMMAP_MEMORY_NVS 4 |
/* Corrupted memory */ |
#define MEMMAP_MEMORY_UNUSABLE 5 |
/* Size of one entry */ |
#define MEMMAP_E820_RECORD_SIZE 20 |
/* Maximum entries */ |
#define MEMMAP_E820_MAX_RECORDS 32 |
#ifndef __ASM__ |
#include <arch/types.h> |
typedef struct { |
uint64_t base_address; |
uint64_t size; |
uint32_t type; |
} __attribute__ ((packed)) e820memmap_t; |
extern e820memmap_t e820table[MEMMAP_E820_MAX_RECORDS]; |
extern uint8_t e820counter; |
#endif |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/arch.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2009 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_ARCH_H_ |
#define KERN_ia32_ARCH_H_ |
#include <genarch/multiboot/multiboot.h> |
extern void arch_pre_main(uint32_t, const multiboot_info_t *); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/barrier.h |
---|
0,0 → 1,99 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_BARRIER_H_ |
#define KERN_ia32_BARRIER_H_ |
/* |
* NOTE: |
* No barriers for critical section (i.e. spinlock) on IA-32 are needed: |
* - spinlock_lock() and spinlock_trylock() use serializing XCHG instruction |
* - writes cannot pass reads on IA-32 => spinlock_unlock() needs no barriers |
*/ |
/* |
* Provisions are made to prevent compiler from reordering instructions itself. |
*/ |
#define CS_ENTER_BARRIER() asm volatile ("" ::: "memory") |
#define CS_LEAVE_BARRIER() asm volatile ("" ::: "memory") |
static inline void cpuid_serialization(void) |
{ |
asm volatile ( |
"xorl %%eax, %%eax\n" |
"cpuid\n" |
::: "eax", "ebx", "ecx", "edx", "memory" |
); |
} |
#if defined(CONFIG_FENCES_P4) |
#define memory_barrier() asm volatile ("mfence\n" ::: "memory") |
#define read_barrier() asm volatile ("lfence\n" ::: "memory") |
#ifdef CONFIG_WEAK_MEMORY |
#define write_barrier() asm volatile ("sfence\n" ::: "memory") |
#else |
#define write_barrier() asm volatile ("" ::: "memory"); |
#endif |
#elif defined(CONFIG_FENCES_P3) |
#define memory_barrier() cpuid_serialization() |
#define read_barrier() cpuid_serialization() |
#ifdef CONFIG_WEAK_MEMORY |
#define write_barrier() asm volatile ("sfence\n" ::: "memory") |
#else |
#define write_barrier() asm volatile ("" ::: "memory"); |
#endif |
#else |
#define memory_barrier() cpuid_serialization() |
#define read_barrier() cpuid_serialization() |
#ifdef CONFIG_WEAK_MEMORY |
#define write_barrier() cpuid_serialization() |
#else |
#define write_barrier() asm volatile ("" ::: "memory"); |
#endif |
#endif |
/* |
* On ia32, the hardware takes care about instruction and data cache coherence, |
* even on SMP systems. We issue a write barrier to be sure that writes |
* queueing in the store buffer drain to the memory (even though it would be |
* sufficient for them to drain to the D-cache). |
*/ |
#define smc_coherence(a) write_barrier() |
#define smc_coherence_block(a, l) write_barrier() |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/interrupt.h |
---|
0,0 → 1,116 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32interrupt |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_INTERRUPT_H_ |
#define KERN_ia32_INTERRUPT_H_ |
#include <arch/types.h> |
#include <arch/pm.h> |
#define IVT_ITEMS IDT_ITEMS |
#define IVT_FIRST 0 |
#define EXC_COUNT 32 |
#define IRQ_COUNT 16 |
#define IVT_EXCBASE 0 |
#define IVT_IRQBASE (IVT_EXCBASE + EXC_COUNT) |
#define IVT_FREEBASE (IVT_IRQBASE + IRQ_COUNT) |
#define IRQ_CLK 0 |
#define IRQ_KBD 1 |
#define IRQ_PIC1 2 |
#define IRQ_PIC_SPUR 7 |
#define IRQ_MOUSE 12 |
/* this one must have four least significant bits set to ones */ |
#define VECTOR_APIC_SPUR (IVT_ITEMS - 1) |
#if (((VECTOR_APIC_SPUR + 1) % 16) || VECTOR_APIC_SPUR >= IVT_ITEMS) |
#error Wrong definition of VECTOR_APIC_SPUR |
#endif |
#define VECTOR_DEBUG 1 |
#define VECTOR_CLK (IVT_IRQBASE + IRQ_CLK) |
#define VECTOR_PIC_SPUR (IVT_IRQBASE + IRQ_PIC_SPUR) |
#define VECTOR_SYSCALL IVT_FREEBASE |
#define VECTOR_TLB_SHOOTDOWN_IPI (IVT_FREEBASE + 1) |
#define VECTOR_DEBUG_IPI (IVT_FREEBASE + 2) |
typedef struct { |
uint32_t eax; |
uint32_t ecx; |
uint32_t edx; |
uint32_t gs; |
uint32_t fs; |
uint32_t es; |
uint32_t ds; |
uint32_t error_word; |
uint32_t eip; |
uint32_t cs; |
uint32_t eflags; |
uint32_t stack[]; |
} istate_t; |
/** Return true if exception happened while in userspace */ |
static inline int istate_from_uspace(istate_t *istate) |
{ |
return !(istate->eip & 0x80000000); |
} |
static inline void istate_set_retaddr(istate_t *istate, uintptr_t retaddr) |
{ |
istate->eip = retaddr; |
} |
static inline unative_t istate_get_pc(istate_t *istate) |
{ |
return istate->eip; |
} |
extern void (* disable_irqs_function)(uint16_t irqmask); |
extern void (* enable_irqs_function)(uint16_t irqmask); |
extern void (* eoi_function)(void); |
extern void decode_istate(istate_t *istate); |
extern void interrupt_init(void); |
extern void trap_virtual_enable_irqs(uint16_t irqmask); |
extern void trap_virtual_disable_irqs(uint16_t irqmask); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/fpu_context.h |
---|
0,0 → 1,53 |
/* |
* Copyright (c) 2005 Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_FPU_CONTEXT_H_ |
#define KERN_ia32_FPU_CONTEXT_H_ |
#include <arch/types.h> |
#define FPU_CONTEXT_ALIGN 16 |
void fpu_fxsr(void); |
void fpu_fsr(void); |
typedef struct { |
uint8_t fpu[512]; /* FXSAVE & FXRSTOR storage area */ |
} fpu_context_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/syscall.h |
---|
0,0 → 1,0 |
link ../../amd64/include/syscall.h |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/ia32/include/memstr.h |
---|
0,0 → 1,48 |
/* |
* Copyright (c) 2005 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_MEMSTR_H_ |
#define KERN_ia32_MEMSTR_H_ |
#define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt)) |
extern void memsetw(void *dst, size_t cnt, uint16_t x); |
extern void memsetb(void *dst, size_t cnt, uint8_t x); |
extern int memcmp(const void *a, const void *b, size_t cnt); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/context_offset.h |
---|
0,0 → 1,83 |
/* |
* Copyright (c) 2008 Josef Cejka |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_CONTEXT_OFFSET_H_ |
#define KERN_ia32_CONTEXT_OFFSET_H_ |
#define OFFSET_SP 0x0 |
#define OFFSET_PC 0x4 |
#define OFFSET_EBX 0x8 |
#define OFFSET_ESI 0xC |
#define OFFSET_EDI 0x10 |
#define OFFSET_EBP 0x14 |
#ifdef KERNEL |
# define OFFSET_IPL 0x18 |
#else |
# define OFFSET_TLS 0x18 |
#endif |
#ifdef __ASM__ |
# ctx: address of the structure with saved context |
# pc: return address |
.macro CONTEXT_SAVE_ARCH_CORE ctx:req pc:req |
movl %esp,OFFSET_SP(\ctx) # %esp -> ctx->sp |
movl \pc,OFFSET_PC(\ctx) # %eip -> ctx->pc |
movl %ebx,OFFSET_EBX(\ctx) # %ebx -> ctx->ebx |
movl %esi,OFFSET_ESI(\ctx) # %esi -> ctx->esi |
movl %edi,OFFSET_EDI(\ctx) # %edi -> ctx->edi |
movl %ebp,OFFSET_EBP(\ctx) # %ebp -> ctx->ebp |
.endm |
# ctx: address of the structure with saved context |
.macro CONTEXT_RESTORE_ARCH_CORE ctx:req pc:req |
movl OFFSET_SP(\ctx),%esp # ctx->sp -> %esp |
movl OFFSET_PC(\ctx),\pc # ctx->pc -> \pc |
movl OFFSET_EBX(\ctx),%ebx # ctx->ebx -> %ebx |
movl OFFSET_ESI(\ctx),%esi # ctx->esi -> %esi |
movl OFFSET_EDI(\ctx),%edi # ctx->edi -> %edi |
movl OFFSET_EBP(\ctx),%ebp # ctx->ebp -> %ebp |
.endm |
#endif /* __ASM__ */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/context.h |
---|
0,0 → 1,70 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_CONTEXT_H_ |
#define KERN_ia32_CONTEXT_H_ |
#ifdef KERNEL |
#include <arch/types.h> |
#define STACK_ITEM_SIZE 4 |
/* |
* Both context_save() and context_restore() eat two doublewords from the stack. |
* First for pop of the saved register, second during ret instruction. |
* |
* One item is put onto stack to support get_stack_base(). |
*/ |
#define SP_DELTA (8 + STACK_ITEM_SIZE) |
#endif /* KERNEL */ |
/* |
* Only save registers that must be preserved across |
* function calls. |
*/ |
typedef struct { |
uintptr_t sp; |
uintptr_t pc; |
uint32_t ebx; |
uint32_t esi; |
uint32_t edi; |
uint32_t ebp; |
ipl_t ipl; |
} __attribute__ ((packed)) context_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/cycle.h |
---|
0,0 → 1,53 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_CYCLE_H_ |
#define KERN_ia32_CYCLE_H_ |
static inline uint64_t get_cycle(void) |
{ |
uint64_t v; |
asm volatile( |
"rdtsc\n" |
: "=A" (v) |
); |
return v; |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/bios/bios.h |
---|
0,0 → 1,49 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_BIOS_H_ |
#define KERN_ia32_BIOS_H_ |
#include <arch/types.h> |
#define BIOS_EBDA_PTR 0x40e |
extern uintptr_t ebda; |
extern void bios_init(void); |
#endif /* KERN_ia32_BIOS_H_ */ |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/elf.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2006 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_ELF_H_ |
#define KERN_ia32_ELF_H_ |
#define ELF_MACHINE EM_386 |
#define ELF_DATA_ENCODING ELFDATA2LSB |
#define ELF_CLASS ELFCLASS32 |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/arg.h |
---|
0,0 → 1,43 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_ARG_H_ |
#define KERN_ia32_ARG_H_ |
#include <stackarg.h> |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/ddi/ddi.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32ddi |
* @{ |
*/ |
/** |
* @file |
* @brief ia32 specific DDI declarations and macros. |
*/ |
#ifndef KERN_ia32_DDI_H_ |
#define KERN_ia32_DDI_H_ |
extern void io_perm_bitmap_install(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/faddr.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_FADDR_H_ |
#define KERN_ia32_FADDR_H_ |
#include <arch/types.h> |
#define FADDR(fptr) ((uintptr_t) (fptr)) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/debug.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64debug |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ia32_DEBUG_H_ |
#define KERN_ia32_DEBUG_H_ |
#include <arch/asm.h> |
#define HERE get_ip() |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/include/debugger.h |
---|
0,0 → 1,0 |
link ../../amd64/include/debugger.h |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/ia32/Makefile.inc |
---|
0,0 → 1,106 |
# |
# Copyright (c) 2005 Martin Decky |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
## Toolchain configuration |
# |
BFD_NAME = elf32-i386 |
BFD_ARCH = i386 |
BFD = binary |
TARGET = i686-pc-linux-gnu |
TOOLCHAIN_DIR = $(CROSS_PREFIX)/i686 |
BITS = 32 |
ENDIANESS = LE |
CMN1 = -m32 |
GCC_CFLAGS += $(CMN1) |
ICC_CFLAGS += $(CMN1) |
SUNCC_CFLAGS += $(CMN1) |
## Accepted CPUs |
# |
ifeq ($(PROCESSOR),athlon_xp) |
CMN2 = -march=athlon-xp |
SUNCC_CFLAGS += -xarch=ssea |
endif |
ifeq ($(PROCESSOR),athlon_mp) |
CMN2 = -march=athlon-mp |
SUNCC_CFLAGS += xarch=ssea |
endif |
ifeq ($(PROCESSOR),pentium3) |
CMN2 = -march=pentium3 |
SUNCC_CFLAGS += -xarch=sse |
endif |
ifeq ($(PROCESSOR),pentium4) |
CMN2 = -march=pentium4 |
SUNCC_CFLAGS += -xarch=sse2 |
endif |
ifeq ($(PROCESSOR),core) |
CMN2 = -march=prescott |
SUNCC_CFLAGS += -xarch=sse3 |
endif |
FPU_NO_CFLAGS = -mno-mmx -mno-sse -mno-sse2 -mno-sse3 -mno-3dnow |
GCC_CFLAGS += $(CMN2) |
ICC_CFLAGS += $(CMN2) |
ARCH_SOURCES = \ |
arch/$(KARCH)/src/context.S \ |
arch/$(KARCH)/src/debug/panic.s \ |
arch/$(KARCH)/src/delay.s \ |
arch/$(KARCH)/src/asm.S \ |
arch/$(KARCH)/src/proc/scheduler.c \ |
arch/$(KARCH)/src/proc/task.c \ |
arch/$(KARCH)/src/proc/thread.c \ |
arch/$(KARCH)/src/bios/bios.c \ |
arch/$(KARCH)/src/smp/ap.S \ |
arch/$(KARCH)/src/smp/apic.c \ |
arch/$(KARCH)/src/smp/mps.c \ |
arch/$(KARCH)/src/smp/smp.c \ |
arch/$(KARCH)/src/atomic.S \ |
arch/$(KARCH)/src/smp/ipi.c \ |
arch/$(KARCH)/src/ia32.c \ |
arch/$(KARCH)/src/interrupt.c \ |
arch/$(KARCH)/src/pm.c \ |
arch/$(KARCH)/src/userspace.c \ |
arch/$(KARCH)/src/cpu/cpu.c \ |
arch/$(KARCH)/src/mm/as.c \ |
arch/$(KARCH)/src/mm/frame.c \ |
arch/$(KARCH)/src/mm/page.c \ |
arch/$(KARCH)/src/mm/tlb.c \ |
arch/$(KARCH)/src/ddi/ddi.c \ |
arch/$(KARCH)/src/drivers/i8254.c \ |
arch/$(KARCH)/src/drivers/i8259.c \ |
arch/$(KARCH)/src/drivers/vesa.c \ |
arch/$(KARCH)/src/boot/boot.S \ |
arch/$(KARCH)/src/boot/memmap.c \ |
arch/$(KARCH)/src/fpu_context.c \ |
arch/$(KARCH)/src/debugger.c \ |
arch/$(KARCH)/src/syscall.c |
/branches/arm/kernel/arch/ia32/src/smp/mps.c |
---|
0,0 → 1,491 |
/* |
* Copyright (c) 2008 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifdef CONFIG_SMP |
#include <config.h> |
#include <print.h> |
#include <debug.h> |
#include <arch/smp/mps.h> |
#include <arch/smp/apic.h> |
#include <arch/smp/smp.h> |
#include <func.h> |
#include <arch/types.h> |
#include <cpu.h> |
#include <arch/asm.h> |
#include <arch/bios/bios.h> |
#include <mm/frame.h> |
/* |
* MultiProcessor Specification detection code. |
*/ |
#define FS_SIGNATURE 0x5f504d5f |
#define CT_SIGNATURE 0x504d4350 |
static int mps_fs_check(uint8_t *base); |
static int mps_ct_check(void); |
static int configure_via_ct(void); |
static int configure_via_default(uint8_t n); |
static int ct_processor_entry(struct __processor_entry *pr); |
static void ct_bus_entry(struct __bus_entry *bus); |
static void ct_io_apic_entry(struct __io_apic_entry *ioa); |
static void ct_io_intr_entry(struct __io_intr_entry *iointr); |
static void ct_l_intr_entry(struct __l_intr_entry *lintr); |
static void ct_extended_entries(void); |
static struct mps_fs *fs; |
static struct mps_ct *ct; |
struct __processor_entry *processor_entries = NULL; |
struct __bus_entry *bus_entries = NULL; |
struct __io_apic_entry *io_apic_entries = NULL; |
struct __io_intr_entry *io_intr_entries = NULL; |
struct __l_intr_entry *l_intr_entries = NULL; |
unsigned int processor_entry_cnt = 0; |
unsigned int bus_entry_cnt = 0; |
unsigned int io_apic_entry_cnt = 0; |
unsigned int io_intr_entry_cnt = 0; |
unsigned int l_intr_entry_cnt = 0; |
/* |
* Implementation of IA-32 SMP configuration interface. |
*/ |
static size_t get_cpu_count(void); |
static bool is_cpu_enabled(size_t i); |
static bool is_bsp(size_t i); |
static uint8_t get_cpu_apic_id(size_t i); |
static int mps_irq_to_pin(unsigned int irq); |
struct smp_config_operations mps_config_operations = { |
.cpu_count = get_cpu_count, |
.cpu_enabled = is_cpu_enabled, |
.cpu_bootstrap = is_bsp, |
.cpu_apic_id = get_cpu_apic_id, |
.irq_to_pin = mps_irq_to_pin |
}; |
size_t get_cpu_count(void) |
{ |
return processor_entry_cnt; |
} |
bool is_cpu_enabled(size_t i) |
{ |
ASSERT(i < processor_entry_cnt); |
return (bool) ((processor_entries[i].cpu_flags & 0x01) == 0x01); |
} |
bool is_bsp(size_t i) |
{ |
ASSERT(i < processor_entry_cnt); |
return (bool) ((processor_entries[i].cpu_flags & 0x02) == 0x02); |
} |
uint8_t get_cpu_apic_id(size_t i) |
{ |
ASSERT(i < processor_entry_cnt); |
return processor_entries[i].l_apic_id; |
} |
/* |
* Used to check the integrity of the MP Floating Structure. |
*/ |
int mps_fs_check(uint8_t *base) |
{ |
unsigned int i; |
uint8_t sum; |
for (i = 0, sum = 0; i < 16; i++) |
sum = (uint8_t) (sum + base[i]); |
return !sum; |
} |
/* |
* Used to check the integrity of the MP Configuration Table. |
*/ |
int mps_ct_check(void) |
{ |
uint8_t *base = (uint8_t *) ct; |
uint8_t *ext = base + ct->base_table_length; |
uint8_t sum; |
int i; |
/* count the checksum for the base table */ |
for (i = 0,sum = 0; i < ct->base_table_length; i++) |
sum = (uint8_t) (sum + base[i]); |
if (sum) |
return 0; |
/* count the checksum for the extended table */ |
for (i = 0, sum = 0; i < ct->ext_table_length; i++) |
sum = (uint8_t) (sum + ext[i]); |
return sum == ct->ext_table_checksum; |
} |
void mps_init(void) |
{ |
uint8_t *addr[2] = { NULL, (uint8_t *) PA2KA(0xf0000) }; |
unsigned int i, j, length[2] = { 1024, 64 * 1024 }; |
/* |
* Find MP Floating Pointer Structure |
* 1a. search first 1K of EBDA |
* 1b. if EBDA is undefined, search last 1K of base memory |
* 2. search 64K starting at 0xf0000 |
*/ |
addr[0] = (uint8_t *) PA2KA(ebda ? ebda : 639 * 1024); |
for (i = 0; i < 2; i++) { |
for (j = 0; j < length[i]; j += 16) { |
if (*((uint32_t *) &addr[i][j]) == |
FS_SIGNATURE && mps_fs_check(&addr[i][j])) { |
fs = (struct mps_fs *) &addr[i][j]; |
goto fs_found; |
} |
} |
} |
return; |
fs_found: |
printf("%p: MPS Floating Pointer Structure\n", fs); |
if (fs->config_type == 0 && fs->configuration_table) { |
if (fs->mpfib2 >> 7) { |
printf("%s: PIC mode not supported\n", __func__); |
return; |
} |
ct = (struct mps_ct *)PA2KA((uintptr_t)fs->configuration_table); |
config.cpu_count = configure_via_ct(); |
} |
else |
config.cpu_count = configure_via_default(fs->config_type); |
return; |
} |
int configure_via_ct(void) |
{ |
uint8_t *cur; |
unsigned int i, cnt; |
if (ct->signature != CT_SIGNATURE) { |
printf("%s: bad ct->signature\n", __func__); |
return 1; |
} |
if (!mps_ct_check()) { |
printf("%s: bad ct checksum\n", __func__); |
return 1; |
} |
if (ct->oem_table) { |
printf("%s: ct->oem_table not supported\n", __func__); |
return 1; |
} |
l_apic = (uint32_t *)(uintptr_t)ct->l_apic; |
cnt = 0; |
cur = &ct->base_table[0]; |
for (i = 0; i < ct->entry_count; i++) { |
switch (*cur) { |
/* Processor entry */ |
case 0: |
processor_entries = processor_entries ? |
processor_entries : |
(struct __processor_entry *) cur; |
processor_entry_cnt++; |
cnt += ct_processor_entry((struct __processor_entry *) |
cur); |
cur += 20; |
break; |
/* Bus entry */ |
case 1: |
bus_entries = bus_entries ? |
bus_entries : (struct __bus_entry *) cur; |
bus_entry_cnt++; |
ct_bus_entry((struct __bus_entry *) cur); |
cur += 8; |
break; |
/* I/O Apic */ |
case 2: |
io_apic_entries = io_apic_entries ? |
io_apic_entries : (struct __io_apic_entry *) cur; |
io_apic_entry_cnt++; |
ct_io_apic_entry((struct __io_apic_entry *) cur); |
cur += 8; |
break; |
/* I/O Interrupt Assignment */ |
case 3: |
io_intr_entries = io_intr_entries ? |
io_intr_entries : (struct __io_intr_entry *) cur; |
io_intr_entry_cnt++; |
ct_io_intr_entry((struct __io_intr_entry *) cur); |
cur += 8; |
break; |
/* Local Interrupt Assignment */ |
case 4: |
l_intr_entries = l_intr_entries ? |
l_intr_entries : (struct __l_intr_entry *) cur; |
l_intr_entry_cnt++; |
ct_l_intr_entry((struct __l_intr_entry *) cur); |
cur += 8; |
break; |
default: |
/* |
* Something is wrong. Fallback to UP mode. |
*/ |
printf("%s: ct badness\n", __func__); |
return 1; |
} |
} |
/* |
* Process extended entries. |
*/ |
ct_extended_entries(); |
return cnt; |
} |
int configure_via_default(uint8_t n __attribute__((unused))) |
{ |
/* |
* Not yet implemented. |
*/ |
printf("%s: not supported\n", __func__); |
return 1; |
} |
int ct_processor_entry(struct __processor_entry *pr __attribute__((unused))) |
{ |
/* |
* Ignore processors which are not marked enabled. |
*/ |
if ((pr->cpu_flags & (1 << 0)) == 0) |
return 0; |
apic_id_mask |= (1 << pr->l_apic_id); |
return 1; |
} |
void ct_bus_entry(struct __bus_entry *bus __attribute__((unused))) |
{ |
#ifdef MPSCT_VERBOSE |
char buf[7]; |
memcpy((void *) buf, (void *) bus->bus_type, 6); |
buf[6] = 0; |
printf("bus%d: %s\n", bus->bus_id, buf); |
#endif |
} |
void ct_io_apic_entry(struct __io_apic_entry *ioa) |
{ |
static unsigned int io_apic_count = 0; |
/* this ioapic is marked unusable */ |
if ((ioa->io_apic_flags & 1) == 0) |
return; |
if (io_apic_count++ > 0) { |
/* |
* Multiple IO APIC's are currently not supported. |
*/ |
return; |
} |
io_apic = (uint32_t *)(uintptr_t)ioa->io_apic; |
} |
//#define MPSCT_VERBOSE |
void ct_io_intr_entry(struct __io_intr_entry *iointr __attribute__((unused))) |
{ |
#ifdef MPSCT_VERBOSE |
switch (iointr->intr_type) { |
case 0: |
printf("INT"); |
break; |
case 1: |
printf("NMI"); |
break; |
case 2: |
printf("SMI"); |
break; |
case 3: |
printf("ExtINT"); |
break; |
} |
putchar(','); |
switch (iointr->poel & 3) { |
case 0: |
printf("bus-like"); |
break; |
case 1: |
printf("active high"); |
break; |
case 2: |
printf("reserved"); |
break; |
case 3: |
printf("active low"); |
break; |
} |
putchar(','); |
switch ((iointr->poel >> 2) & 3) { |
case 0: |
printf("bus-like"); |
break; |
case 1: |
printf("edge-triggered"); |
break; |
case 2: |
printf("reserved"); |
break; |
case 3: |
printf("level-triggered"); |
break; |
} |
putchar(','); |
printf("bus%d,irq%d", iointr->src_bus_id, iointr->src_bus_irq); |
putchar(','); |
printf("io_apic%d,pin%d", iointr->dst_io_apic_id, |
iointr->dst_io_apic_pin); |
putchar('\n'); |
#endif |
} |
void ct_l_intr_entry(struct __l_intr_entry *lintr __attribute__((unused))) |
{ |
#ifdef MPSCT_VERBOSE |
switch (lintr->intr_type) { |
case 0: |
printf("INT"); |
break; |
case 1: |
printf("NMI"); |
break; |
case 2: |
printf("SMI"); |
break; |
case 3: |
printf("ExtINT"); |
break; |
} |
putchar(','); |
switch (lintr->poel & 3) { |
case 0: |
printf("bus-like"); |
break; |
case 1: |
printf("active high"); |
break; |
case 2: |
printf("reserved"); |
break; |
case 3: |
printf("active low"); |
break; |
} |
putchar(','); |
switch ((lintr->poel >> 2) & 3) { |
case 0: |
printf("bus-like"); |
break; |
case 1: |
printf("edge-triggered"); |
break; |
case 2: |
printf("reserved"); |
break; |
case 3: |
printf("level-triggered"); |
break; |
} |
putchar(','); |
printf("bus%d,irq%d", lintr->src_bus_id, lintr->src_bus_irq); |
putchar(','); |
printf("l_apic%d,pin%d", lintr->dst_l_apic_id, lintr->dst_l_apic_pin); |
putchar('\n'); |
#endif |
} |
void ct_extended_entries(void) |
{ |
uint8_t *ext = (uint8_t *) ct + ct->base_table_length; |
uint8_t *cur; |
for (cur = ext; cur < ext + ct->ext_table_length; |
cur += cur[CT_EXT_ENTRY_LEN]) { |
switch (cur[CT_EXT_ENTRY_TYPE]) { |
default: |
printf("%p: skipping MP Configuration Table extended " |
"entry type %d\n", cur, cur[CT_EXT_ENTRY_TYPE]); |
break; |
} |
} |
} |
int mps_irq_to_pin(unsigned int irq) |
{ |
unsigned int i; |
for (i = 0; i < io_intr_entry_cnt; i++) { |
if (io_intr_entries[i].src_bus_irq == irq && |
io_intr_entries[i].intr_type == 0) |
return io_intr_entries[i].dst_io_apic_pin; |
} |
return -1; |
} |
#endif /* CONFIG_SMP */ |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/smp/apic.c |
---|
0,0 → 1,595 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/types.h> |
#include <arch/smp/apic.h> |
#include <arch/smp/ap.h> |
#include <arch/smp/mps.h> |
#include <arch/boot/boot.h> |
#include <mm/page.h> |
#include <time/delay.h> |
#include <interrupt.h> |
#include <arch/interrupt.h> |
#include <print.h> |
#include <arch/asm.h> |
#include <arch.h> |
#include <ddi/irq.h> |
#include <ddi/device.h> |
#ifdef CONFIG_SMP |
/* |
* Advanced Programmable Interrupt Controller for SMP systems. |
* Tested on: |
* Bochs 2.0.2 - Bochs 2.2.6 with 2-8 CPUs |
* Simics 2.0.28 - Simics 2.2.19 2-15 CPUs |
* VMware Workstation 5.5 with 2 CPUs |
* QEMU 0.8.0 with 2-15 CPUs |
* ASUS P/I-P65UP5 + ASUS C-P55T2D REV. 1.41 with 2x 200Mhz Pentium CPUs |
* ASUS PCH-DL with 2x 3000Mhz Pentium 4 Xeon (HT) CPUs |
* MSI K7D Master-L with 2x 2100MHz Athlon MP CPUs |
*/ |
/* |
* These variables either stay configured as initilalized, or are changed by |
* the MP configuration code. |
* |
* Pay special attention to the volatile keyword. Without it, gcc -O2 would |
* optimize the code too much and accesses to l_apic and io_apic, that must |
* always be 32-bit, would use byte oriented instructions. |
*/ |
volatile uint32_t *l_apic = (uint32_t *) 0xfee00000; |
volatile uint32_t *io_apic = (uint32_t *) 0xfec00000; |
uint32_t apic_id_mask = 0; |
static irq_t l_apic_timer_irq; |
static int apic_poll_errors(void); |
#ifdef LAPIC_VERBOSE |
static char *delmod_str[] = { |
"Fixed", |
"Lowest Priority", |
"SMI", |
"Reserved", |
"NMI", |
"INIT", |
"STARTUP", |
"ExtInt" |
}; |
static char *destmod_str[] = { |
"Physical", |
"Logical" |
}; |
static char *trigmod_str[] = { |
"Edge", |
"Level" |
}; |
static char *mask_str[] = { |
"Unmasked", |
"Masked" |
}; |
static char *delivs_str[] = { |
"Idle", |
"Send Pending" |
}; |
static char *tm_mode_str[] = { |
"One-shot", |
"Periodic" |
}; |
static char *intpol_str[] = { |
"Polarity High", |
"Polarity Low" |
}; |
#endif /* LAPIC_VERBOSE */ |
/** APIC spurious interrupt handler. |
* |
* @param n Interrupt vector. |
* @param istate Interrupted state. |
*/ |
static void apic_spurious(int n __attribute__((unused)), istate_t *istate __attribute__((unused))) |
{ |
#ifdef CONFIG_DEBUG |
printf("cpu%u: APIC spurious interrupt\n", CPU->id); |
#endif |
} |
static irq_ownership_t l_apic_timer_claim(irq_t *irq) |
{ |
return IRQ_ACCEPT; |
} |
static void l_apic_timer_irq_handler(irq_t *irq) |
{ |
/* |
* Holding a spinlock could prevent clock() from preempting |
* the current thread. In this case, we don't need to hold the |
* irq->lock so we just unlock it and then lock it again. |
*/ |
spinlock_unlock(&irq->lock); |
clock(); |
spinlock_lock(&irq->lock); |
} |
/** Initialize APIC on BSP. */ |
void apic_init(void) |
{ |
io_apic_id_t idreg; |
exc_register(VECTOR_APIC_SPUR, "apic_spurious", (iroutine) apic_spurious); |
enable_irqs_function = io_apic_enable_irqs; |
disable_irqs_function = io_apic_disable_irqs; |
eoi_function = l_apic_eoi; |
/* |
* Configure interrupt routing. |
* IRQ 0 remains masked as the time signal is generated by l_apic's themselves. |
* Other interrupts will be forwarded to the lowest priority CPU. |
*/ |
io_apic_disable_irqs(0xffff); |
irq_initialize(&l_apic_timer_irq); |
l_apic_timer_irq.preack = true; |
l_apic_timer_irq.devno = device_assign_devno(); |
l_apic_timer_irq.inr = IRQ_CLK; |
l_apic_timer_irq.claim = l_apic_timer_claim; |
l_apic_timer_irq.handler = l_apic_timer_irq_handler; |
irq_register(&l_apic_timer_irq); |
uint8_t i; |
for (i = 0; i < IRQ_COUNT; i++) { |
int pin; |
if ((pin = smp_irq_to_pin(i)) != -1) |
io_apic_change_ioredtbl((uint8_t) pin, DEST_ALL, (uint8_t) (IVT_IRQBASE + i), LOPRI); |
} |
/* |
* Ensure that io_apic has unique ID. |
*/ |
idreg.value = io_apic_read(IOAPICID); |
if ((1 << idreg.apic_id) & apic_id_mask) { /* see if IO APIC ID is used already */ |
for (i = 0; i < APIC_ID_COUNT; i++) { |
if (!((1 << i) & apic_id_mask)) { |
idreg.apic_id = i; |
io_apic_write(IOAPICID, idreg.value); |
break; |
} |
} |
} |
/* |
* Configure the BSP's lapic. |
*/ |
l_apic_init(); |
l_apic_debug(); |
} |
/** Poll for APIC errors. |
* |
* Examine Error Status Register and report all errors found. |
* |
* @return 0 on error, 1 on success. |
*/ |
int apic_poll_errors(void) |
{ |
esr_t esr; |
esr.value = l_apic[ESR]; |
if (esr.send_checksum_error) |
printf("Send Checksum Error\n"); |
if (esr.receive_checksum_error) |
printf("Receive Checksum Error\n"); |
if (esr.send_accept_error) |
printf("Send Accept Error\n"); |
if (esr.receive_accept_error) |
printf("Receive Accept Error\n"); |
if (esr.send_illegal_vector) |
printf("Send Illegal Vector\n"); |
if (esr.received_illegal_vector) |
printf("Received Illegal Vector\n"); |
if (esr.illegal_register_address) |
printf("Illegal Register Address\n"); |
return !esr.err_bitmap; |
} |
/** Send all CPUs excluding CPU IPI vector. |
* |
* @param vector Interrupt vector to be sent. |
* |
* @return 0 on failure, 1 on success. |
*/ |
int l_apic_broadcast_custom_ipi(uint8_t vector) |
{ |
icr_t icr; |
icr.lo = l_apic[ICRlo]; |
icr.delmod = DELMOD_FIXED; |
icr.destmod = DESTMOD_LOGIC; |
icr.level = LEVEL_ASSERT; |
icr.shorthand = SHORTHAND_ALL_EXCL; |
icr.trigger_mode = TRIGMOD_LEVEL; |
icr.vector = vector; |
l_apic[ICRlo] = icr.lo; |
icr.lo = l_apic[ICRlo]; |
if (icr.delivs == DELIVS_PENDING) { |
#ifdef CONFIG_DEBUG |
printf("IPI is pending.\n"); |
#endif |
} |
return apic_poll_errors(); |
} |
/** Universal Start-up Algorithm for bringing up the AP processors. |
* |
* @param apicid APIC ID of the processor to be brought up. |
* |
* @return 0 on failure, 1 on success. |
*/ |
int l_apic_send_init_ipi(uint8_t apicid) |
{ |
icr_t icr; |
int i; |
/* |
* Read the ICR register in and zero all non-reserved fields. |
*/ |
icr.lo = l_apic[ICRlo]; |
icr.hi = l_apic[ICRhi]; |
icr.delmod = DELMOD_INIT; |
icr.destmod = DESTMOD_PHYS; |
icr.level = LEVEL_ASSERT; |
icr.trigger_mode = TRIGMOD_LEVEL; |
icr.shorthand = SHORTHAND_NONE; |
icr.vector = 0; |
icr.dest = apicid; |
l_apic[ICRhi] = icr.hi; |
l_apic[ICRlo] = icr.lo; |
/* |
* According to MP Specification, 20us should be enough to |
* deliver the IPI. |
*/ |
delay(20); |
if (!apic_poll_errors()) |
return 0; |
icr.lo = l_apic[ICRlo]; |
if (icr.delivs == DELIVS_PENDING) { |
#ifdef CONFIG_DEBUG |
printf("IPI is pending.\n"); |
#endif |
} |
icr.delmod = DELMOD_INIT; |
icr.destmod = DESTMOD_PHYS; |
icr.level = LEVEL_DEASSERT; |
icr.shorthand = SHORTHAND_NONE; |
icr.trigger_mode = TRIGMOD_LEVEL; |
icr.vector = 0; |
l_apic[ICRlo] = icr.lo; |
/* |
* Wait 10ms as MP Specification specifies. |
*/ |
delay(10000); |
if (!is_82489DX_apic(l_apic[LAVR])) { |
/* |
* If this is not 82489DX-based l_apic we must send two STARTUP IPI's. |
*/ |
for (i = 0; i<2; i++) { |
icr.lo = l_apic[ICRlo]; |
icr.vector = (uint8_t) (((uintptr_t) ap_boot) >> 12); /* calculate the reset vector */ |
icr.delmod = DELMOD_STARTUP; |
icr.destmod = DESTMOD_PHYS; |
icr.level = LEVEL_ASSERT; |
icr.shorthand = SHORTHAND_NONE; |
icr.trigger_mode = TRIGMOD_LEVEL; |
l_apic[ICRlo] = icr.lo; |
delay(200); |
} |
} |
return apic_poll_errors(); |
} |
/** Initialize Local APIC. */ |
void l_apic_init(void) |
{ |
lvt_error_t error; |
lvt_lint_t lint; |
tpr_t tpr; |
svr_t svr; |
icr_t icr; |
tdcr_t tdcr; |
lvt_tm_t tm; |
ldr_t ldr; |
dfr_t dfr; |
uint32_t t1, t2; |
/* Initialize LVT Error register. */ |
error.value = l_apic[LVT_Err]; |
error.masked = true; |
l_apic[LVT_Err] = error.value; |
/* Initialize LVT LINT0 register. */ |
lint.value = l_apic[LVT_LINT0]; |
lint.masked = true; |
l_apic[LVT_LINT0] = lint.value; |
/* Initialize LVT LINT1 register. */ |
lint.value = l_apic[LVT_LINT1]; |
lint.masked = true; |
l_apic[LVT_LINT1] = lint.value; |
/* Task Priority Register initialization. */ |
tpr.value = l_apic[TPR]; |
tpr.pri_sc = 0; |
tpr.pri = 0; |
l_apic[TPR] = tpr.value; |
/* Spurious-Interrupt Vector Register initialization. */ |
svr.value = l_apic[SVR]; |
svr.vector = VECTOR_APIC_SPUR; |
svr.lapic_enabled = true; |
svr.focus_checking = true; |
l_apic[SVR] = svr.value; |
if (CPU->arch.family >= 6) |
enable_l_apic_in_msr(); |
/* Interrupt Command Register initialization. */ |
icr.lo = l_apic[ICRlo]; |
icr.delmod = DELMOD_INIT; |
icr.destmod = DESTMOD_PHYS; |
icr.level = LEVEL_DEASSERT; |
icr.shorthand = SHORTHAND_ALL_INCL; |
icr.trigger_mode = TRIGMOD_LEVEL; |
l_apic[ICRlo] = icr.lo; |
/* Timer Divide Configuration Register initialization. */ |
tdcr.value = l_apic[TDCR]; |
tdcr.div_value = DIVIDE_1; |
l_apic[TDCR] = tdcr.value; |
/* Program local timer. */ |
tm.value = l_apic[LVT_Tm]; |
tm.vector = VECTOR_CLK; |
tm.mode = TIMER_PERIODIC; |
tm.masked = false; |
l_apic[LVT_Tm] = tm.value; |
/* |
* Measure and configure the timer to generate timer |
* interrupt with period 1s/HZ seconds. |
*/ |
t1 = l_apic[CCRT]; |
l_apic[ICRT] = 0xffffffff; |
while (l_apic[CCRT] == t1) |
; |
t1 = l_apic[CCRT]; |
delay(1000000/HZ); |
t2 = l_apic[CCRT]; |
l_apic[ICRT] = t1-t2; |
/* Program Logical Destination Register. */ |
ASSERT(CPU->id < 8) |
ldr.value = l_apic[LDR]; |
ldr.id = (uint8_t) (1 << CPU->id); |
l_apic[LDR] = ldr.value; |
/* Program Destination Format Register for Flat mode. */ |
dfr.value = l_apic[DFR]; |
dfr.model = MODEL_FLAT; |
l_apic[DFR] = dfr.value; |
} |
/** Local APIC End of Interrupt. */ |
void l_apic_eoi(void) |
{ |
l_apic[EOI] = 0; |
} |
/** Dump content of Local APIC registers. */ |
void l_apic_debug(void) |
{ |
#ifdef LAPIC_VERBOSE |
lvt_tm_t tm; |
lvt_lint_t lint; |
lvt_error_t error; |
printf("LVT on cpu%d, LAPIC ID: %d\n", CPU->id, l_apic_id()); |
tm.value = l_apic[LVT_Tm]; |
printf("LVT Tm: vector=%hhd, %s, %s, %s\n", tm.vector, delivs_str[tm.delivs], mask_str[tm.masked], tm_mode_str[tm.mode]); |
lint.value = l_apic[LVT_LINT0]; |
printf("LVT LINT0: vector=%hhd, %s, %s, %s, irr=%d, %s, %s\n", tm.vector, delmod_str[lint.delmod], delivs_str[lint.delivs], intpol_str[lint.intpol], lint.irr, trigmod_str[lint.trigger_mode], mask_str[lint.masked]); |
lint.value = l_apic[LVT_LINT1]; |
printf("LVT LINT1: vector=%hhd, %s, %s, %s, irr=%d, %s, %s\n", tm.vector, delmod_str[lint.delmod], delivs_str[lint.delivs], intpol_str[lint.intpol], lint.irr, trigmod_str[lint.trigger_mode], mask_str[lint.masked]); |
error.value = l_apic[LVT_Err]; |
printf("LVT Err: vector=%hhd, %s, %s\n", error.vector, delivs_str[error.delivs], mask_str[error.masked]); |
#endif |
} |
/** Get Local APIC ID. |
* |
* @return Local APIC ID. |
*/ |
uint8_t l_apic_id(void) |
{ |
l_apic_id_t idreg; |
idreg.value = l_apic[L_APIC_ID]; |
return idreg.apic_id; |
} |
/** Read from IO APIC register. |
* |
* @param address IO APIC register address. |
* |
* @return Content of the addressed IO APIC register. |
*/ |
uint32_t io_apic_read(uint8_t address) |
{ |
io_regsel_t regsel; |
regsel.value = io_apic[IOREGSEL]; |
regsel.reg_addr = address; |
io_apic[IOREGSEL] = regsel.value; |
return io_apic[IOWIN]; |
} |
/** Write to IO APIC register. |
* |
* @param address IO APIC register address. |
* @param x Content to be written to the addressed IO APIC register. |
*/ |
void io_apic_write(uint8_t address, uint32_t x) |
{ |
io_regsel_t regsel; |
regsel.value = io_apic[IOREGSEL]; |
regsel.reg_addr = address; |
io_apic[IOREGSEL] = regsel.value; |
io_apic[IOWIN] = x; |
} |
/** Change some attributes of one item in I/O Redirection Table. |
* |
* @param pin IO APIC pin number. |
* @param dest Interrupt destination address. |
* @param v Interrupt vector to trigger. |
* @param flags Flags. |
*/ |
void io_apic_change_ioredtbl(uint8_t pin, uint8_t dest, uint8_t v, int flags) |
{ |
io_redirection_reg_t reg; |
int dlvr = DELMOD_FIXED; |
if (flags & LOPRI) |
dlvr = DELMOD_LOWPRI; |
reg.lo = io_apic_read((uint8_t) (IOREDTBL + pin * 2)); |
reg.hi = io_apic_read((uint8_t) (IOREDTBL + pin * 2 + 1)); |
reg.dest = dest; |
reg.destmod = DESTMOD_LOGIC; |
reg.trigger_mode = TRIGMOD_EDGE; |
reg.intpol = POLARITY_HIGH; |
reg.delmod = dlvr; |
reg.intvec = v; |
io_apic_write((uint8_t) (IOREDTBL + pin * 2), reg.lo); |
io_apic_write((uint8_t) (IOREDTBL + pin * 2 + 1), reg.hi); |
} |
/** Mask IRQs in IO APIC. |
* |
* @param irqmask Bitmask of IRQs to be masked (0 = do not mask, 1 = mask). |
*/ |
void io_apic_disable_irqs(uint16_t irqmask) |
{ |
io_redirection_reg_t reg; |
unsigned int i; |
int pin; |
for (i = 0; i < 16; i++) { |
if (irqmask & (1 << i)) { |
/* |
* Mask the signal input in IO APIC if there is a |
* mapping for the respective IRQ number. |
*/ |
pin = smp_irq_to_pin(i); |
if (pin != -1) { |
reg.lo = io_apic_read((uint8_t) (IOREDTBL + pin * 2)); |
reg.masked = true; |
io_apic_write((uint8_t) (IOREDTBL + pin * 2), reg.lo); |
} |
} |
} |
} |
/** Unmask IRQs in IO APIC. |
* |
* @param irqmask Bitmask of IRQs to be unmasked (0 = do not unmask, 1 = unmask). |
*/ |
void io_apic_enable_irqs(uint16_t irqmask) |
{ |
unsigned int i; |
int pin; |
io_redirection_reg_t reg; |
for (i = 0; i < 16; i++) { |
if (irqmask & (1 << i)) { |
/* |
* Unmask the signal input in IO APIC if there is a |
* mapping for the respective IRQ number. |
*/ |
pin = smp_irq_to_pin(i); |
if (pin != -1) { |
reg.lo = io_apic_read((uint8_t) (IOREDTBL + pin * 2)); |
reg.masked = false; |
io_apic_write((uint8_t) (IOREDTBL + pin * 2), reg.lo); |
} |
} |
} |
} |
#endif /* CONFIG_SMP */ |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/smp/smp.c |
---|
0,0 → 1,202 |
/* |
* Copyright (c) 2008 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#include <smp/smp.h> |
#include <arch/smp/smp.h> |
#include <arch/smp/mps.h> |
#include <arch/smp/ap.h> |
#include <arch/boot/boot.h> |
#include <genarch/acpi/acpi.h> |
#include <genarch/acpi/madt.h> |
#include <config.h> |
#include <synch/waitq.h> |
#include <synch/synch.h> |
#include <arch/pm.h> |
#include <func.h> |
#include <panic.h> |
#include <debug.h> |
#include <arch/asm.h> |
#include <mm/frame.h> |
#include <mm/page.h> |
#include <mm/slab.h> |
#include <mm/as.h> |
#include <print.h> |
#include <memstr.h> |
#include <arch/drivers/i8259.h> |
#ifdef CONFIG_SMP |
static struct smp_config_operations *ops = NULL; |
void smp_init(void) |
{ |
uintptr_t l_apic_address, io_apic_address; |
if (acpi_madt) { |
acpi_madt_parse(); |
ops = &madt_config_operations; |
} |
if (config.cpu_count == 1) { |
mps_init(); |
ops = &mps_config_operations; |
} |
l_apic_address = (uintptr_t) frame_alloc(ONE_FRAME, |
FRAME_ATOMIC | FRAME_KA); |
if (!l_apic_address) |
panic("Cannot allocate address for l_apic."); |
io_apic_address = (uintptr_t) frame_alloc(ONE_FRAME, |
FRAME_ATOMIC | FRAME_KA); |
if (!io_apic_address) |
panic("Cannot allocate address for io_apic."); |
if (config.cpu_count > 1) { |
page_mapping_insert(AS_KERNEL, l_apic_address, |
(uintptr_t) l_apic, PAGE_NOT_CACHEABLE | PAGE_WRITE); |
page_mapping_insert(AS_KERNEL, io_apic_address, |
(uintptr_t) io_apic, PAGE_NOT_CACHEABLE | PAGE_WRITE); |
l_apic = (uint32_t *) l_apic_address; |
io_apic = (uint32_t *) io_apic_address; |
} |
} |
/* |
* Kernel thread for bringing up application processors. It becomes clear |
* that we need an arrangement like this (AP's being initialized by a kernel |
* thread), for a thread has its dedicated stack. (The stack used during the |
* BSP initialization (prior the very first call to scheduler()) will be used |
* as an initialization stack for each AP.) |
*/ |
void kmp(void *arg __attribute__((unused))) |
{ |
unsigned int i; |
ASSERT(ops != NULL); |
/* |
* We need to access data in frame 0. |
* We boldly make use of kernel address space mapping. |
*/ |
/* |
* Set the warm-reset vector to the real-mode address of 4K-aligned ap_boot() |
*/ |
*((uint16_t *) (PA2KA(0x467 + 0))) = |
(uint16_t) (((uintptr_t) ap_boot) >> 4); /* segment */ |
*((uint16_t *) (PA2KA(0x467 + 2))) = 0; /* offset */ |
/* |
* Save 0xa to address 0xf of the CMOS RAM. |
* BIOS will not do the POST after the INIT signal. |
*/ |
pio_write_8((ioport8_t *)0x70, 0xf); |
pio_write_8((ioport8_t *)0x71, 0xa); |
pic_disable_irqs(0xffff); |
apic_init(); |
uint8_t apic = l_apic_id(); |
for (i = 0; i < ops->cpu_count(); i++) { |
descriptor_t *gdt_new; |
/* |
* Skip processors marked unusable. |
*/ |
if (!ops->cpu_enabled(i)) |
continue; |
/* |
* The bootstrap processor is already up. |
*/ |
if (ops->cpu_bootstrap(i)) |
continue; |
if (ops->cpu_apic_id(i) == apic) { |
printf("%s: bad processor entry #%u, will not send IPI " |
"to myself\n", __FUNCTION__, i); |
continue; |
} |
/* |
* Prepare new GDT for CPU in question. |
*/ |
/* XXX Flag FRAME_LOW_4_GiB was removed temporarily, |
* it needs to be replaced by a generic fuctionality of |
* the memory subsystem |
*/ |
gdt_new = (descriptor_t *) malloc(GDT_ITEMS * |
sizeof(descriptor_t), FRAME_ATOMIC); |
if (!gdt_new) |
panic("Cannot allocate memory for GDT."); |
memcpy(gdt_new, gdt, GDT_ITEMS * sizeof(descriptor_t)); |
memsetb(&gdt_new[TSS_DES], sizeof(descriptor_t), 0); |
protected_ap_gdtr.limit = GDT_ITEMS * sizeof(descriptor_t); |
protected_ap_gdtr.base = KA2PA((uintptr_t) gdt_new); |
gdtr.base = (uintptr_t) gdt_new; |
if (l_apic_send_init_ipi(ops->cpu_apic_id(i))) { |
/* |
* There may be just one AP being initialized at |
* the time. After it comes completely up, it is |
* supposed to wake us up. |
*/ |
if (waitq_sleep_timeout(&ap_completion_wq, 1000000, |
SYNCH_FLAGS_NONE) == ESYNCH_TIMEOUT) { |
unsigned int cpu = (config.cpu_active > i) ? |
config.cpu_active : i; |
printf("%s: waiting for cpu%u (APIC ID = %d) " |
"timed out\n", __FUNCTION__, cpu, |
ops->cpu_apic_id(i)); |
} |
} else |
printf("INIT IPI for l_apic%d failed\n", |
ops->cpu_apic_id(i)); |
} |
} |
int smp_irq_to_pin(unsigned int irq) |
{ |
ASSERT(ops != NULL); |
return ops->irq_to_pin(irq); |
} |
#endif /* CONFIG_SMP */ |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/smp/ap.S |
---|
0,0 → 1,95 |
# |
# Copyright (c) 2001-2004 Jakub Jermar |
# Copyright (c) 2005-2006 Martin Decky |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
# |
# Init code for application processors. |
# |
#include <arch/boot/boot.h> |
#include <arch/boot/memmap.h> |
#include <arch/mm/page.h> |
#include <arch/pm.h> |
.section K_TEXT_START, "ax" |
#ifdef CONFIG_SMP |
.global unmapped_ap_boot |
KTEXT=8 |
KDATA=16 |
# This piece of code is real-mode and is meant to be aligned at 4K boundary. |
# The requirement for such an alignment comes from MP Specification's STARTUP IPI |
# requirements. |
.align 4096 |
unmapped_ap_boot: |
.code16 |
cli |
xorw %ax, %ax |
movw %ax, %ds |
lgdtl ap_gdtr # initialize Global Descriptor Table register |
movl %cr0, %eax |
orl $1, %eax |
movl %eax, %cr0 # switch to protected mode |
jmpl $KTEXT, $jump_to_kernel - BOOT_OFFSET + AP_BOOT_OFFSET |
jump_to_kernel: |
.code32 |
movw $KDATA, %ax |
movw %ax, %ds |
movw %ax, %es |
movw %ax, %ss |
movl $KA2PA(ctx), %eax # KA2PA((uintptr_t) &ctx) |
movl (%eax), %esp |
subl $0x80000000, %esp # KA2PA(ctx.sp) |
call map_kernel # map kernel and turn paging on |
addl $0x80000000, %esp # PA2KA(ctx.sp) |
jmpl $KTEXT, $main_ap |
#endif /* CONFIG_SMP */ |
.section K_DATA_START, "aw", @progbits |
#ifdef CONFIG_SMP |
.global unmapped_ap_gdtr |
unmapped_ap_gdtr: |
.word 0 |
.long 0 |
#endif /* CONFIG_SMP */ |
/branches/arm/kernel/arch/ia32/src/smp/ipi.c |
---|
0,0 → 1,48 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#ifdef CONFIG_SMP |
#include <smp/ipi.h> |
#include <arch/smp/apic.h> |
void ipi_broadcast_arch(int ipi) |
{ |
(void) l_apic_broadcast_custom_ipi((uint8_t) ipi); |
} |
#endif /* CONFIG_SMP */ |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/ddi/ddi.c |
---|
0,0 → 1,169 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32ddi |
* @{ |
*/ |
/** @file |
*/ |
#include <ddi/ddi.h> |
#include <arch/ddi/ddi.h> |
#include <proc/task.h> |
#include <arch/types.h> |
#include <adt/bitmap.h> |
#include <mm/slab.h> |
#include <arch/pm.h> |
#include <errno.h> |
#include <arch/cpu.h> |
#include <cpu.h> |
#include <arch.h> |
#include <align.h> |
/** Enable I/O space range for task. |
* |
* Interrupts are disabled and task is locked. |
* |
* @param task Task. |
* @param ioaddr Startign I/O space address. |
* @param size Size of the enabled I/O range. |
* |
* @return 0 on success or an error code from errno.h. |
*/ |
int ddi_iospace_enable_arch(task_t *task, uintptr_t ioaddr, size_t size) |
{ |
size_t bits; |
bits = ioaddr + size; |
if (bits > IO_PORTS) |
return ENOENT; |
if (task->arch.iomap.bits < bits) { |
bitmap_t oldiomap; |
uint8_t *newmap; |
/* |
* The I/O permission bitmap is too small and needs to be grown. |
*/ |
newmap = (uint8_t *) malloc(BITS2BYTES(bits), FRAME_ATOMIC); |
if (!newmap) |
return ENOMEM; |
bitmap_initialize(&oldiomap, task->arch.iomap.map, |
task->arch.iomap.bits); |
bitmap_initialize(&task->arch.iomap, newmap, bits); |
/* |
* Mark the new range inaccessible. |
*/ |
bitmap_set_range(&task->arch.iomap, oldiomap.bits, |
bits - oldiomap.bits); |
/* |
* In case there really existed smaller iomap, |
* copy its contents and deallocate it. |
*/ |
if (oldiomap.bits) { |
bitmap_copy(&task->arch.iomap, &oldiomap, |
oldiomap.bits); |
free(oldiomap.map); |
} |
} |
/* |
* Enable the range and we are done. |
*/ |
bitmap_clear_range(&task->arch.iomap, (size_t) ioaddr, (size_t) size); |
/* |
* Increment I/O Permission bitmap generation counter. |
*/ |
task->arch.iomapver++; |
return 0; |
} |
/** Install I/O Permission bitmap. |
* |
* Current task's I/O permission bitmap, if any, is installed |
* in the current CPU's TSS. |
* |
* Interrupts must be disabled prior this call. |
*/ |
void io_perm_bitmap_install(void) |
{ |
size_t bits; |
ptr_16_32_t cpugdtr; |
descriptor_t *gdt_p; |
size_t ver; |
/* First, copy the I/O Permission Bitmap. */ |
spinlock_lock(&TASK->lock); |
ver = TASK->arch.iomapver; |
if ((bits = TASK->arch.iomap.bits)) { |
bitmap_t iomap; |
task_t *task = TASK; |
ASSERT(TASK->arch.iomap.map); |
bitmap_initialize(&iomap, CPU->arch.tss->iomap, |
TSS_IOMAP_SIZE * 8); |
bitmap_copy(&iomap, &task->arch.iomap, task->arch.iomap.bits); |
/* |
* It is safe to set the trailing eight bits because of the |
* extra convenience byte in TSS_IOMAP_SIZE. |
*/ |
bitmap_set_range(&iomap, ALIGN_UP(TASK->arch.iomap.bits, 8), 8); |
} |
spinlock_unlock(&TASK->lock); |
/* |
* Second, adjust TSS segment limit. |
* Take the extra ending byte with all bits set into account. |
*/ |
gdtr_store(&cpugdtr); |
gdt_p = (descriptor_t *) cpugdtr.base; |
gdt_setlimit(&gdt_p[TSS_DES], TSS_BASIC_SIZE + BITS2BYTES(bits)); |
gdtr_load(&cpugdtr); |
/* |
* Before we load new TSS limit, the current TSS descriptor |
* type must be changed to describe inactive TSS. |
*/ |
gdt_p[TSS_DES].access = AR_PRESENT | AR_TSS | DPL_KERNEL; |
tr_load(gdtselector(TSS_DES)); |
/* |
* Update the generation count so that faults caused by |
* early accesses can be serviced. |
*/ |
CPU->arch.iomapver_copy = ver; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/mm/tlb.c |
---|
0,0 → 1,79 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32mm |
* @{ |
*/ |
/** @file |
* @ingroup ia32mm, amd64mm |
*/ |
#include <mm/tlb.h> |
#include <arch/mm/asid.h> |
#include <arch/asm.h> |
#include <arch/types.h> |
/** Invalidate all entries in TLB. */ |
void tlb_invalidate_all(void) |
{ |
write_cr3(read_cr3()); |
} |
/** Invalidate all entries in TLB that belong to specified address space. |
* |
* @param asid This parameter is ignored as the architecture doesn't support it. |
*/ |
void tlb_invalidate_asid(asid_t asid __attribute__((unused))) |
{ |
tlb_invalidate_all(); |
} |
/** Invalidate TLB entries for specified page range belonging to specified address space. |
* |
* @param asid This parameter is ignored as the architecture doesn't support it. |
* @param page Address of the first page whose entry is to be invalidated. |
* @param cnt Number of entries to invalidate. |
*/ |
void tlb_invalidate_pages(asid_t asid __attribute__((unused)), uintptr_t page, size_t cnt) |
{ |
unsigned int i; |
for (i = 0; i < cnt; i++) |
invlpg(page + i * PAGE_SIZE); |
} |
void tlb_arch_init(void) |
{ |
} |
void tlb_print(void) |
{ |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/mm/frame.c |
---|
0,0 → 1,168 |
/* |
* Copyright (c) 2008 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32mm |
* @{ |
*/ |
/** @file |
* @ingroup ia32mm, amd64mm |
*/ |
#include <mm/frame.h> |
#include <arch/mm/frame.h> |
#include <mm/as.h> |
#include <config.h> |
#include <arch/boot/boot.h> |
#include <arch/boot/memmap.h> |
#include <panic.h> |
#include <debug.h> |
#include <align.h> |
#include <macros.h> |
#include <print.h> |
size_t hardcoded_unmapped_ktext_size = 0; |
size_t hardcoded_unmapped_kdata_size = 0; |
uintptr_t last_frame = 0; |
static void init_e820_memory(pfn_t minconf) |
{ |
unsigned int i; |
for (i = 0; i < e820counter; i++) { |
uint64_t base = e820table[i].base_address; |
uint64_t size = e820table[i].size; |
#ifdef __32_BITS__ |
/* Ignore physical memory above 4 GB */ |
if ((base >> 32) != 0) |
continue; |
/* Clip regions above 4 GB */ |
if (((base + size) >> 32) != 0) |
size = 0xffffffff - base; |
#endif |
pfn_t pfn; |
size_t count; |
if (e820table[i].type == MEMMAP_MEMORY_AVAILABLE) { |
/* To be safe, make available zone possibly smaller */ |
pfn = ADDR2PFN(ALIGN_UP(base, FRAME_SIZE)); |
count = SIZE2FRAMES(ALIGN_DOWN(size, FRAME_SIZE)); |
pfn_t conf; |
if ((minconf < pfn) || (minconf >= pfn + count)) |
conf = pfn; |
else |
conf = minconf; |
zone_create(pfn, count, conf, ZONE_AVAILABLE); |
// XXX this has to be removed |
if (last_frame < ALIGN_UP(base + size, FRAME_SIZE)) |
last_frame = ALIGN_UP(base + size, FRAME_SIZE); |
} |
if (e820table[i].type == MEMMAP_MEMORY_RESERVED) { |
/* To be safe, make reserved zone possibly larger */ |
pfn = ADDR2PFN(ALIGN_DOWN(base, FRAME_SIZE)); |
count = SIZE2FRAMES(ALIGN_UP(size, FRAME_SIZE)); |
zone_create(pfn, count, 0, ZONE_RESERVED); |
} |
if (e820table[i].type == MEMMAP_MEMORY_ACPI) { |
/* To be safe, make firmware zone possibly larger */ |
pfn = ADDR2PFN(ALIGN_DOWN(base, (uintptr_t) FRAME_SIZE)); |
count = SIZE2FRAMES(ALIGN_UP(size, (uintptr_t) FRAME_SIZE)); |
zone_create(pfn, count, 0, ZONE_FIRMWARE); |
} |
} |
} |
static char *e820names[] = { |
"invalid", |
"available", |
"reserved", |
"acpi", |
"nvs", |
"unusable" |
}; |
void physmem_print(void) |
{ |
unsigned int i; |
char *name; |
printf("Base Size Name\n"); |
printf("------------------ ------------------ ---------\n"); |
for (i = 0; i < e820counter; i++) { |
if (e820table[i].type <= MEMMAP_MEMORY_UNUSABLE) |
name = e820names[e820table[i].type]; |
else |
name = "invalid"; |
printf("%#18llx %#18llx %s\n", e820table[i].base_address, |
e820table[i].size, name); |
} |
} |
void frame_arch_init(void) |
{ |
pfn_t minconf; |
if (config.cpu_active == 1) { |
minconf = 1; |
#ifdef CONFIG_SMP |
minconf = max(minconf, |
ADDR2PFN(AP_BOOT_OFFSET + hardcoded_unmapped_ktext_size + |
hardcoded_unmapped_kdata_size)); |
#endif |
init_e820_memory(minconf); |
/* Reserve frame 0 (BIOS data) */ |
frame_mark_unavailable(0, 1); |
#ifdef CONFIG_SMP |
/* Reserve AP real mode bootstrap memory */ |
frame_mark_unavailable(AP_BOOT_OFFSET >> FRAME_WIDTH, |
(hardcoded_unmapped_ktext_size + |
hardcoded_unmapped_kdata_size) >> FRAME_WIDTH); |
#endif |
} |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/mm/page.c |
---|
0,0 → 1,121 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32mm |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/mm/page.h> |
#include <genarch/mm/page_pt.h> |
#include <arch/mm/frame.h> |
#include <mm/frame.h> |
#include <mm/page.h> |
#include <mm/as.h> |
#include <arch/types.h> |
#include <align.h> |
#include <config.h> |
#include <func.h> |
#include <arch/interrupt.h> |
#include <arch/asm.h> |
#include <debug.h> |
#include <memstr.h> |
#include <print.h> |
#include <interrupt.h> |
void page_arch_init(void) |
{ |
uintptr_t cur; |
int flags; |
if (config.cpu_active == 1) { |
page_mapping_operations = &pt_mapping_operations; |
/* |
* PA2KA(identity) mapping for all frames until last_frame. |
*/ |
for (cur = 0; cur < last_frame; cur += FRAME_SIZE) { |
flags = PAGE_CACHEABLE | PAGE_WRITE; |
if ((PA2KA(cur) >= config.base) && (PA2KA(cur) < config.base + config.kernel_size)) |
flags |= PAGE_GLOBAL; |
page_mapping_insert(AS_KERNEL, PA2KA(cur), cur, flags); |
} |
exc_register(14, "page_fault", (iroutine) page_fault); |
write_cr3((uintptr_t) AS_KERNEL->genarch.page_table); |
} else |
write_cr3((uintptr_t) AS_KERNEL->genarch.page_table); |
paging_on(); |
} |
uintptr_t hw_map(uintptr_t physaddr, size_t size) |
{ |
if (last_frame + ALIGN_UP(size, PAGE_SIZE) > KA2PA(KERNEL_ADDRESS_SPACE_END_ARCH)) |
panic("Unable to map physical memory %p (%d bytes).", physaddr, size) |
uintptr_t virtaddr = PA2KA(last_frame); |
pfn_t i; |
for (i = 0; i < ADDR2PFN(ALIGN_UP(size, PAGE_SIZE)); i++) { |
uintptr_t addr = PFN2ADDR(i); |
page_mapping_insert(AS_KERNEL, virtaddr + addr, physaddr + addr, PAGE_NOT_CACHEABLE | PAGE_WRITE); |
} |
last_frame = ALIGN_UP(last_frame + size, FRAME_SIZE); |
return virtaddr; |
} |
void page_fault(int n __attribute__((unused)), istate_t *istate) |
{ |
uintptr_t page; |
pf_access_t access; |
page = read_cr2(); |
if (istate->error_word & PFERR_CODE_RSVD) |
panic("Reserved bit set in page directory."); |
if (istate->error_word & PFERR_CODE_RW) |
access = PF_ACCESS_WRITE; |
else |
access = PF_ACCESS_READ; |
if (as_page_fault(page, access, istate) == AS_PF_FAULT) { |
fault_if_from_uspace(istate, "Page fault: %#x.", page); |
decode_istate(istate); |
printf("page fault address: %#lx\n", page); |
panic("Page fault."); |
} |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/mm/as.c |
---|
0,0 → 1,46 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32mm |
* @{ |
*/ |
/** @file |
* @ingroup ia32mm, amd64mm |
*/ |
#include <arch/mm/as.h> |
#include <genarch/mm/page_pt.h> |
/** Architecture dependent address space init. */ |
void as_arch_init(void) |
{ |
as_operations = &as_pt_operations; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/interrupt.c |
---|
0,0 → 1,244 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32interrupt |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/interrupt.h> |
#include <syscall/syscall.h> |
#include <print.h> |
#include <debug.h> |
#include <panic.h> |
#include <arch/drivers/i8259.h> |
#include <func.h> |
#include <cpu.h> |
#include <arch/asm.h> |
#include <mm/tlb.h> |
#include <mm/as.h> |
#include <arch.h> |
#include <proc/thread.h> |
#include <proc/task.h> |
#include <synch/spinlock.h> |
#include <arch/ddi/ddi.h> |
#include <ipc/sysipc.h> |
#include <interrupt.h> |
#include <ddi/irq.h> |
#include <symtab.h> |
/* |
* Interrupt and exception dispatching. |
*/ |
void (* disable_irqs_function)(uint16_t irqmask) = NULL; |
void (* enable_irqs_function)(uint16_t irqmask) = NULL; |
void (* eoi_function)(void) = NULL; |
void decode_istate(istate_t *istate) |
{ |
char *symbol; |
symbol = symtab_fmt_name_lookup(istate->eip); |
if (CPU) |
printf("----------------EXCEPTION OCCURED (cpu%u)----------------\n", CPU->id); |
else |
printf("----------------EXCEPTION OCCURED----------------\n"); |
printf("%%eip: %#lx (%s)\n", istate->eip, symbol); |
printf("ERROR_WORD=%#lx\n", istate->error_word); |
printf("%%cs=%#lx,flags=%#lx\n", istate->cs, istate->eflags); |
printf("%%eax=%#lx, %%ecx=%#lx, %%edx=%#lx, %%esp=%p\n", istate->eax, istate->ecx, istate->edx, &istate->stack[0]); |
printf("stack: %#lx, %#lx, %#lx, %#lx\n", istate->stack[0], istate->stack[1], istate->stack[2], istate->stack[3]); |
printf(" %#lx, %#lx, %#lx, %#lx\n", istate->stack[4], istate->stack[5], istate->stack[6], istate->stack[7]); |
} |
static void trap_virtual_eoi(void) |
{ |
if (eoi_function) |
eoi_function(); |
else |
panic("No eoi_function."); |
} |
static void null_interrupt(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "Unserviced interrupt: %d.", n); |
decode_istate(istate); |
panic("Unserviced interrupt: %d.", n); |
} |
/** General Protection Fault. */ |
static void gp_fault(int n __attribute__((unused)), istate_t *istate) |
{ |
if (TASK) { |
size_t ver; |
spinlock_lock(&TASK->lock); |
ver = TASK->arch.iomapver; |
spinlock_unlock(&TASK->lock); |
if (CPU->arch.iomapver_copy != ver) { |
/* |
* This fault can be caused by an early access |
* to I/O port because of an out-dated |
* I/O Permission bitmap installed on CPU. |
* Install the fresh copy and restart |
* the instruction. |
*/ |
io_perm_bitmap_install(); |
return; |
} |
fault_if_from_uspace(istate, "General protection fault."); |
} |
decode_istate(istate); |
panic("General protection fault."); |
} |
static void ss_fault(int n __attribute__((unused)), istate_t *istate) |
{ |
fault_if_from_uspace(istate, "Stack fault."); |
decode_istate(istate); |
panic("Stack fault."); |
} |
static void simd_fp_exception(int n __attribute__((unused)), istate_t *istate) |
{ |
uint32_t mxcsr; |
asm ( |
"stmxcsr %[mxcsr]\n" |
: [mxcsr] "=m" (mxcsr) |
); |
fault_if_from_uspace(istate, "SIMD FP exception(19), MXCSR: %#zx.", |
(unative_t) mxcsr); |
decode_istate(istate); |
printf("MXCSR: %#lx\n", mxcsr); |
panic("SIMD FP exception(19)."); |
} |
static void nm_fault(int n __attribute__((unused)), istate_t *istate __attribute__((unused))) |
{ |
#ifdef CONFIG_FPU_LAZY |
scheduler_fpu_lazy_request(); |
#else |
fault_if_from_uspace(istate, "FPU fault."); |
panic("FPU fault."); |
#endif |
} |
#ifdef CONFIG_SMP |
static void tlb_shootdown_ipi(int n __attribute__((unused)), istate_t *istate __attribute__((unused))) |
{ |
trap_virtual_eoi(); |
tlb_shootdown_ipi_recv(); |
} |
#endif |
/** Handler of IRQ exceptions */ |
static void irq_interrupt(int n, istate_t *istate __attribute__((unused))) |
{ |
ASSERT(n >= IVT_IRQBASE); |
int inum = n - IVT_IRQBASE; |
bool ack = false; |
ASSERT(inum < IRQ_COUNT); |
ASSERT((inum != IRQ_PIC_SPUR) && (inum != IRQ_PIC1)); |
irq_t *irq = irq_dispatch_and_lock(inum); |
if (irq) { |
/* |
* The IRQ handler was found. |
*/ |
if (irq->preack) { |
/* Send EOI before processing the interrupt */ |
trap_virtual_eoi(); |
ack = true; |
} |
irq->handler(irq); |
spinlock_unlock(&irq->lock); |
} else { |
/* |
* Spurious interrupt. |
*/ |
#ifdef CONFIG_DEBUG |
printf("cpu%u: spurious interrupt (inum=%d)\n", CPU->id, inum); |
#endif |
} |
if (!ack) |
trap_virtual_eoi(); |
} |
void interrupt_init(void) |
{ |
int i; |
for (i = 0; i < IVT_ITEMS; i++) |
exc_register(i, "null", (iroutine) null_interrupt); |
for (i = 0; i < IRQ_COUNT; i++) { |
if ((i != IRQ_PIC_SPUR) && (i != IRQ_PIC1)) |
exc_register(IVT_IRQBASE + i, "irq", (iroutine) irq_interrupt); |
} |
exc_register(7, "nm_fault", (iroutine) nm_fault); |
exc_register(12, "ss_fault", (iroutine) ss_fault); |
exc_register(13, "gp_fault", (iroutine) gp_fault); |
exc_register(19, "simd_fp", (iroutine) simd_fp_exception); |
#ifdef CONFIG_SMP |
exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown", (iroutine) tlb_shootdown_ipi); |
#endif |
} |
void trap_virtual_enable_irqs(uint16_t irqmask) |
{ |
if (enable_irqs_function) |
enable_irqs_function(irqmask); |
else |
panic("No enable_irqs_function."); |
} |
void trap_virtual_disable_irqs(uint16_t irqmask) |
{ |
if (disable_irqs_function) |
disable_irqs_function(irqmask); |
else |
panic("No disable_irqs_function."); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/atomic.S |
---|
0,0 → 1,58 |
# |
# Copyright (c) 2001-2004 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
.text |
#ifdef CONFIG_SMP |
.global spinlock_arch |
# |
# This is a bus-and-hyperthreading-friendly implementation of spinlock |
# |
spinlock_arch: |
pushl %eax |
pushl %ebx |
movl 12(%esp),%ebx |
0: |
pause # Pentium 4's with HT love this instruction |
movl (%ebx),%eax |
testl %eax,%eax |
jnz 0b # lightweight looping while it is locked |
incl %eax |
xchgl %eax,(%ebx) # now use the atomic operation |
testl %eax,%eax |
jnz 0b |
popl %ebx |
popl %eax |
ret |
#endif |
/branches/arm/kernel/arch/ia32/src/ia32.c |
---|
0,0 → 1,253 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* Copyright (c) 2009 Jiri Svoboda |
* Copyright (c) 2009 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch.h> |
#include <arch/types.h> |
#include <arch/pm.h> |
#include <genarch/multiboot/multiboot.h> |
#include <genarch/drivers/legacy/ia32/io.h> |
#include <genarch/drivers/ega/ega.h> |
#include <arch/drivers/vesa.h> |
#include <genarch/drivers/i8042/i8042.h> |
#include <genarch/kbrd/kbrd.h> |
#include <arch/drivers/i8254.h> |
#include <arch/drivers/i8259.h> |
#include <arch/context.h> |
#include <config.h> |
#include <arch/interrupt.h> |
#include <arch/asm.h> |
#include <genarch/acpi/acpi.h> |
#include <arch/bios/bios.h> |
#include <interrupt.h> |
#include <ddi/irq.h> |
#include <arch/debugger.h> |
#include <proc/thread.h> |
#include <syscall/syscall.h> |
#include <console/console.h> |
#include <sysinfo/sysinfo.h> |
#include <arch/boot/boot.h> |
#ifdef CONFIG_SMP |
#include <arch/smp/apic.h> |
#endif |
/** Perform ia32-specific initialization before main_bsp() is called. |
* |
* @param signature Should contain the multiboot signature. |
* @param mi Pointer to the multiboot information structure. |
*/ |
void arch_pre_main(uint32_t signature, const multiboot_info_t *mi) |
{ |
/* Parse multiboot information obtained from the bootloader. */ |
multiboot_info_parse(signature, mi); |
#ifdef CONFIG_SMP |
/* Copy AP bootstrap routines below 1 MB. */ |
memcpy((void *) AP_BOOT_OFFSET, (void *) BOOT_OFFSET, |
(size_t) &_hardcoded_unmapped_size); |
#endif |
} |
void arch_pre_mm_init(void) |
{ |
pm_init(); |
if (config.cpu_active == 1) { |
interrupt_init(); |
bios_init(); |
/* PIC */ |
i8259_init(); |
} |
} |
void arch_post_mm_init(void) |
{ |
if (config.cpu_active == 1) { |
/* Initialize IRQ routing */ |
irq_init(IRQ_COUNT, IRQ_COUNT); |
/* hard clock */ |
i8254_init(); |
#ifdef CONFIG_FB |
if (vesa_present()) |
vesa_init(); |
else |
#endif |
#ifdef CONFIG_EGA |
ega_init(EGA_BASE, EGA_VIDEORAM); /* video */ |
#else |
{} |
#endif |
/* Enable debugger */ |
debugger_init(); |
/* Merge all memory zones to 1 big zone */ |
zone_merge_all(); |
} |
} |
void arch_post_cpu_init() |
{ |
#ifdef CONFIG_SMP |
if (config.cpu_active > 1) { |
l_apic_init(); |
l_apic_debug(); |
} |
#endif |
} |
void arch_pre_smp_init(void) |
{ |
if (config.cpu_active == 1) { |
#ifdef CONFIG_SMP |
acpi_init(); |
#endif /* CONFIG_SMP */ |
} |
} |
void arch_post_smp_init(void) |
{ |
#ifdef CONFIG_PC_KBD |
/* |
* Initialize the i8042 controller. Then initialize the keyboard |
* module and connect it to i8042. Enable keyboard interrupts. |
*/ |
i8042_instance_t *i8042_instance = i8042_init((i8042_t *) I8042_BASE, IRQ_KBD); |
if (i8042_instance) { |
kbrd_instance_t *kbrd_instance = kbrd_init(); |
if (kbrd_instance) { |
indev_t *sink = stdin_wire(); |
indev_t *kbrd = kbrd_wire(kbrd_instance, sink); |
i8042_wire(i8042_instance, kbrd); |
trap_virtual_enable_irqs(1 << IRQ_KBD); |
} |
} |
/* |
* This is the necessary evil until the userspace driver is entirely |
* self-sufficient. |
*/ |
sysinfo_set_item_val("kbd", NULL, true); |
sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD); |
sysinfo_set_item_val("kbd.address.physical", NULL, |
(uintptr_t) I8042_BASE); |
sysinfo_set_item_val("kbd.address.kernel", NULL, |
(uintptr_t) I8042_BASE); |
#endif |
} |
void calibrate_delay_loop(void) |
{ |
i8254_calibrate_delay_loop(); |
if (config.cpu_active == 1) { |
/* |
* This has to be done only on UP. |
* On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
*/ |
i8254_normal_operation(); |
} |
} |
/** Set thread-local-storage pointer |
* |
* TLS pointer is set in GS register. That means, the GS contains |
* selector, and the descriptor->base is the correct address. |
*/ |
unative_t sys_tls_set(unative_t addr) |
{ |
THREAD->arch.tls = addr; |
set_tls_desc(addr); |
return 0; |
} |
/** Acquire console back for kernel |
* |
*/ |
void arch_grab_console(void) |
{ |
#ifdef CONFIG_FB |
if (vesa_present()) |
vesa_redraw(); |
else |
#endif |
#ifdef CONFIG_EGA |
ega_redraw(); |
#else |
{} |
#endif |
} |
/** Return console to userspace |
* |
*/ |
void arch_release_console(void) |
{ |
} |
/** Construct function pointer |
* |
* @param fptr function pointer structure |
* @param addr function address |
* @param caller calling function address |
* |
* @return address of the function pointer |
* |
*/ |
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
{ |
return addr; |
} |
void arch_reboot(void) |
{ |
#ifdef CONFIG_PC_KBD |
i8042_cpu_reset((i8042_t *) I8042_BASE); |
#endif |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/pm.c |
---|
0,0 → 1,236 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/pm.h> |
#include <config.h> |
#include <arch/types.h> |
#include <arch/interrupt.h> |
#include <arch/asm.h> |
#include <arch/context.h> |
#include <panic.h> |
#include <arch/mm/page.h> |
#include <mm/slab.h> |
#include <memstr.h> |
#include <arch/boot/boot.h> |
#include <interrupt.h> |
/* |
* Early ia32 configuration functions and data structures. |
*/ |
/* |
* We have no use for segmentation so we set up flat mode. In this |
* mode, we use, for each privilege level, two segments spanning the |
* whole memory. One is for code and one is for data. |
* |
* One is for GS register which holds pointer to the TLS thread |
* structure in it's base. |
*/ |
descriptor_t gdt[GDT_ITEMS] = { |
/* NULL descriptor */ |
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
/* KTEXT descriptor */ |
{ 0xffff, 0, 0, AR_PRESENT | AR_CODE | DPL_KERNEL, 0xf, 0, 0, 1, 1, 0 }, |
/* KDATA descriptor */ |
{ 0xffff, 0, 0, AR_PRESENT | AR_DATA | AR_WRITABLE | DPL_KERNEL, 0xf, 0, 0, 1, 1, 0 }, |
/* UTEXT descriptor */ |
{ 0xffff, 0, 0, AR_PRESENT | AR_CODE | DPL_USER, 0xf, 0, 0, 1, 1, 0 }, |
/* UDATA descriptor */ |
{ 0xffff, 0, 0, AR_PRESENT | AR_DATA | AR_WRITABLE | DPL_USER, 0xf, 0, 0, 1, 1, 0 }, |
/* TSS descriptor - set up will be completed later */ |
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
/* TLS descriptor */ |
{ 0xffff, 0, 0, AR_PRESENT | AR_DATA | AR_WRITABLE | DPL_USER, 0xf, 0, 0, 1, 1, 0 }, |
/* VESA Init descriptor */ |
#ifdef CONFIG_FB |
{ 0xffff, 0, VESA_INIT_SEGMENT>>12, AR_PRESENT | AR_CODE | DPL_KERNEL, 0xf, 0, 0, 0, 0, 0 } |
#endif |
}; |
static idescriptor_t idt[IDT_ITEMS]; |
static tss_t tss; |
tss_t *tss_p = NULL; |
/* gdtr is changed by kmp before next CPU is initialized */ |
ptr_16_32_t bootstrap_gdtr = { .limit = sizeof(gdt), .base = KA2PA((uintptr_t) gdt) }; |
ptr_16_32_t gdtr = { .limit = sizeof(gdt), .base = (uintptr_t) gdt }; |
void gdt_setbase(descriptor_t *d, uintptr_t base) |
{ |
d->base_0_15 = base & 0xffff; |
d->base_16_23 = ((base) >> 16) & 0xff; |
d->base_24_31 = ((base) >> 24) & 0xff; |
} |
void gdt_setlimit(descriptor_t *d, uint32_t limit) |
{ |
d->limit_0_15 = limit & 0xffff; |
d->limit_16_19 = (limit >> 16) & 0xf; |
} |
void idt_setoffset(idescriptor_t *d, uintptr_t offset) |
{ |
/* |
* Offset is a linear address. |
*/ |
d->offset_0_15 = offset & 0xffff; |
d->offset_16_31 = offset >> 16; |
} |
void tss_initialize(tss_t *t) |
{ |
memsetb(t, sizeof(tss_t), 0); |
} |
/* |
* This function takes care of proper setup of IDT and IDTR. |
*/ |
void idt_init(void) |
{ |
idescriptor_t *d; |
unsigned int i; |
for (i = 0; i < IDT_ITEMS; i++) { |
d = &idt[i]; |
d->unused = 0; |
d->selector = gdtselector(KTEXT_DES); |
d->access = AR_PRESENT | AR_INTERRUPT; /* masking interrupt */ |
if (i == VECTOR_SYSCALL) { |
/* |
* The syscall interrupt gate must be calleable from |
* userland. |
*/ |
d->access |= DPL_USER; |
} |
idt_setoffset(d, ((uintptr_t) interrupt_handlers) + |
i * interrupt_handler_size); |
} |
} |
/* Clean IOPL(12,13) and NT(14) flags in EFLAGS register */ |
static void clean_IOPL_NT_flags(void) |
{ |
asm volatile ( |
"pushfl\n" |
"pop %%eax\n" |
"and $0xffff8fff, %%eax\n" |
"push %%eax\n" |
"popfl\n" |
::: "eax" |
); |
} |
/* Clean AM(18) flag in CR0 register */ |
static void clean_AM_flag(void) |
{ |
asm volatile ( |
"mov %%cr0, %%eax\n" |
"and $0xfffbffff, %%eax\n" |
"mov %%eax, %%cr0\n" |
::: "eax" |
); |
} |
void pm_init(void) |
{ |
descriptor_t *gdt_p = (descriptor_t *) gdtr.base; |
ptr_16_32_t idtr; |
/* |
* Update addresses in GDT and IDT to their virtual counterparts. |
*/ |
idtr.limit = sizeof(idt); |
idtr.base = (uintptr_t) idt; |
gdtr_load(&gdtr); |
idtr_load(&idtr); |
/* |
* Each CPU has its private GDT and TSS. |
* All CPUs share one IDT. |
*/ |
if (config.cpu_active == 1) { |
idt_init(); |
/* |
* NOTE: bootstrap CPU has statically allocated TSS, because |
* the heap hasn't been initialized so far. |
*/ |
tss_p = &tss; |
} |
else { |
tss_p = (tss_t *) malloc(sizeof(tss_t), FRAME_ATOMIC); |
if (!tss_p) |
panic("Cannot allocate TSS."); |
} |
tss_initialize(tss_p); |
gdt_p[TSS_DES].access = AR_PRESENT | AR_TSS | DPL_KERNEL; |
gdt_p[TSS_DES].special = 1; |
gdt_p[TSS_DES].granularity = 0; |
gdt_setbase(&gdt_p[TSS_DES], (uintptr_t) tss_p); |
gdt_setlimit(&gdt_p[TSS_DES], TSS_BASIC_SIZE - 1); |
/* |
* As of this moment, the current CPU has its own GDT pointing |
* to its own TSS. We just need to load the TR register. |
*/ |
tr_load(gdtselector(TSS_DES)); |
clean_IOPL_NT_flags(); /* Disable I/O on nonprivileged levels and clear NT flag. */ |
clean_AM_flag(); /* Disable alignment check */ |
} |
void set_tls_desc(uintptr_t tls) |
{ |
ptr_16_32_t cpugdtr; |
descriptor_t *gdt_p; |
gdtr_store(&cpugdtr); |
gdt_p = (descriptor_t *) cpugdtr.base; |
gdt_setbase(&gdt_p[TLS_DES], tls); |
/* Reload gdt register to update GS in CPU */ |
gdtr_load(&cpugdtr); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/boot/boot.S |
---|
0,0 → 1,228 |
# |
# Copyright (c) 2001-2004 Jakub Jermar |
# Copyright (c) 2005-2006 Martin Decky |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include <arch/boot/boot.h> |
#include <arch/boot/memmap.h> |
#include <arch/mm/page.h> |
#include <arch/pm.h> |
#include <arch/cpuid.h> |
#define START_STACK (BOOT_OFFSET - BOOT_STACK_SIZE) |
.section K_TEXT_START, "ax" |
.code32 |
.align 4 |
.global multiboot_image_start |
multiboot_header: |
.long MULTIBOOT_HEADER_MAGIC |
.long MULTIBOOT_HEADER_FLAGS |
.long -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS) # checksum |
.long multiboot_header |
.long unmapped_ktext_start |
.long 0 |
.long 0 |
.long multiboot_image_start |
multiboot_image_start: |
cld |
movl $START_STACK, %esp # initialize stack pointer |
lgdt KA2PA(bootstrap_gdtr) # initialize Global Descriptor Table register |
movw $gdtselector(KDATA_DES), %cx |
movw %cx, %es |
movw %cx, %fs |
movw %cx, %gs |
movw %cx, %ds # kernel data + stack |
movw %cx, %ss |
jmpl $gdtselector(KTEXT_DES), $multiboot_meeting_point |
multiboot_meeting_point: |
movl %eax, grub_eax # save parameters from GRUB |
movl %ebx, grub_ebx |
movl $(INTEL_CPUID_LEVEL), %eax |
cpuid |
cmp $0x0, %eax # any function > 0? |
jbe pse_unsupported |
movl $(INTEL_CPUID_STANDARD), %eax |
cpuid |
bt $(INTEL_PSE), %edx |
jc pse_supported |
pse_unsupported: |
movl $pse_msg, %esi |
jmp error_halt |
pse_supported: |
bt $(INTEL_SEP), %edx |
jc sep_supported |
movl $sep_msg, %esi |
jmp error_halt |
sep_supported: |
#include "vesa_prot.inc" |
# map kernel and turn paging on |
call map_kernel |
# call arch_pre_main(grub_eax, grub_ebx) |
pushl grub_ebx |
pushl grub_eax |
call arch_pre_main |
call main_bsp |
# not reached |
cli |
hlt0: |
hlt |
jmp hlt0 |
.global map_kernel |
map_kernel: |
# |
# Here we setup mapping for both the unmapped and mapped sections of the kernel. |
# For simplicity, we map the entire 4G space. |
# |
movl %cr4, %ecx |
orl $(1 << 4), %ecx # turn PSE on |
andl $(~(1 << 5)), %ecx # turn PAE off |
movl %ecx, %cr4 |
movl $(page_directory + 0), %esi |
movl $(page_directory + 2048), %edi |
xorl %ecx, %ecx |
xorl %ebx, %ebx |
floop: |
movl $((1 << 7) | (1 << 1) | (1 << 0)), %eax |
orl %ebx, %eax |
movl %eax, (%esi, %ecx, 4) # mapping 0x00000000 + %ecx * 4M => 0x00000000 + %ecx * 4M |
movl %eax, (%edi, %ecx, 4) # mapping 0x80000000 + %ecx * 4M => 0x00000000 + %ecx * 4M |
addl $(4 * 1024 * 1024), %ebx |
incl %ecx |
cmpl $512, %ecx |
jl floop |
movl %esi, %cr3 |
movl %cr0, %ebx |
orl $(1 << 31), %ebx # turn paging on |
movl %ebx, %cr0 |
ret |
# Print string from %esi to EGA display (in red) and halt |
error_halt: |
movl $0xb8000, %edi # base of EGA text mode memory |
xorl %eax, %eax |
movw $0x3d4, %dx # read bits 8 - 15 of the cursor address |
movb $0xe, %al |
outb %al, %dx |
movw $0x3d5, %dx |
inb %dx, %al |
shl $8, %ax |
movw $0x3d4, %dx # read bits 0 - 7 of the cursor address |
movb $0xf, %al |
outb %al, %dx |
movw $0x3d5, %dx |
inb %dx, %al |
cmp $1920, %ax |
jbe cursor_ok |
movw $1920, %ax # sanity check for the cursor on the last line |
cursor_ok: |
movw %ax, %bx |
shl $1, %eax |
addl %eax, %edi |
movw $0x0c00, %ax # black background, light red foreground |
ploop: |
lodsb |
cmp $0, %al |
je ploop_end |
stosw |
inc %bx |
jmp ploop |
ploop_end: |
movw $0x3d4, %dx # write bits 8 - 15 of the cursor address |
movb $0xe, %al |
outb %al, %dx |
movw $0x3d5, %dx |
movb %bh, %al |
outb %al, %dx |
movw $0x3d4, %dx # write bits 0 - 7 of the cursor address |
movb $0xf, %al |
outb %al, %dx |
movw $0x3d5, %dx |
movb %bl, %al |
outb %al, %dx |
cli |
hlt1: |
hlt |
jmp hlt1 |
#include "vesa_real.inc" |
.section K_DATA_START, "aw", @progbits |
.align 4096 |
page_directory: |
.space 4096, 0 |
grub_eax: |
.long 0 |
grub_ebx: |
.long 0 |
pse_msg: |
.asciz "Page Size Extension not supported. System halted." |
sep_msg: |
.asciz "SYSENTER/SYSEXIT not supported. System halted." |
/branches/arm/kernel/arch/ia32/src/boot/vesa_real.inc |
---|
0,0 → 1,373 |
#ifdef CONFIG_FB |
#include <macros.h> |
#define VESA_INFO_SIZE 1024 |
#define VESA_MODE_ATTRIBUTES_OFFSET 0 |
#define VESA_MODE_LIST_PTR_OFFSET 14 |
#define VESA_MODE_SCANLINE_OFFSET 16 |
#define VESA_MODE_WIDTH_OFFSET 18 |
#define VESA_MODE_HEIGHT_OFFSET 20 |
#define VESA_MODE_BPP_OFFSET 25 |
#define VESA_MODE_RED_MASK_OFFSET 31 |
#define VESA_MODE_RED_POS_OFFSET 32 |
#define VESA_MODE_GREEN_MASK_OFFSET 33 |
#define VESA_MODE_GREEN_POS_OFFSET 34 |
#define VESA_MODE_BLUE_MASK_OFFSET 35 |
#define VESA_MODE_BLUE_POS_OFFSET 36 |
#define VESA_MODE_PHADDR_OFFSET 40 |
#define VESA_END_OF_MODES 0xffff |
#define VESA_OK 0x4f |
#define VESA_GET_INFO 0x4f00 |
#define VESA_GET_MODE_INFO 0x4f01 |
#define VESA_SET_MODE 0x4f02 |
#define VESA_SET_PALETTE 0x4f09 |
.code32 |
vesa_init: |
jmp $gdtselector(VESA_INIT_DES), $vesa_init_real - vesa_init |
.code16 |
vesa_init_real: |
mov %cr0, %eax |
and $~1, %eax |
mov %eax, %cr0 |
jmp $VESA_INIT_SEGMENT, $vesa_init_real2 - vesa_init |
vesa_init_real2: |
mov $VESA_INIT_SEGMENT, %bx |
mov %bx, %es |
mov %bx, %fs |
mov %bx, %gs |
mov %bx, %ds |
mov %bx, %ss |
movl %esp, %eax |
movl $0x0000fffc, %esp |
movl $0x0000fffc, %ebp |
pushl %eax |
# parse default mode string |
mov $default_mode - vesa_init, %di |
xor %eax, %eax |
xor %ebx, %ebx |
mov $8, %ecx |
parse_width: |
mov (%di), %al |
# check for digit |
cmp $'0', %al |
jb parse_width_done |
cmp $'9', %al |
ja parse_width_done |
sub $'0', %al |
# multiply default_width by 10 and add digit |
mov default_width - vesa_init, %bx |
lea (%ebx, %ebx, 4), %ebx |
shl $1, %ebx |
add %ax, %bx |
mov %bx, default_width - vesa_init |
inc %di |
loop parse_width |
parse_width_done: |
mov (%di), %al |
cmp $0, %al |
jz parse_done |
inc %di |
mov $8, %ecx |
parse_height: |
mov (%di), %al |
# check for digit |
cmp $'0', %al |
jb parse_height_done |
cmp $'9', %al |
ja parse_height_done |
sub $'0', %al |
# multiply default_height by 10 and add digit |
mov default_height - vesa_init, %bx |
lea (%ebx, %ebx, 4), %ebx |
shl $1, %ebx |
add %ax, %bx |
mov %bx, default_height - vesa_init |
inc %di |
loop parse_height |
parse_height_done: |
mov (%di), %al |
cmp $0, %al |
jz parse_done |
inc %di |
mov $4, %ecx |
parse_bpp: |
mov (%di), %al |
# check for digit |
cmp $'0', %al |
jb parse_bpp_done |
cmp $'9', %al |
ja parse_bpp_done |
sub $'0', %al |
# multiply default_bpp by 10 and add digit |
mov default_bpp - vesa_init, %bx |
lea (%ebx, %ebx, 4), %ebx |
shl $1, %ebx |
add %ax, %bx |
mov %bx, default_bpp - vesa_init |
inc %di |
loop parse_bpp |
parse_bpp_done: |
parse_done: |
mov $VESA_GET_INFO, %ax |
mov $e_vesa_init - vesa_init, %di |
push %di |
int $0x10 |
pop %di |
cmp $VESA_OK, %al |
jnz no_mode |
mov 2 + VESA_MODE_LIST_PTR_OFFSET(%di), %si |
mov %si, %gs |
mov VESA_MODE_LIST_PTR_OFFSET(%di), %si |
add $VESA_INFO_SIZE, %di |
next_mode: |
# try next mode |
mov %gs:(%si), %cx |
cmp $VESA_END_OF_MODES, %cx |
je no_mode |
inc %si |
inc %si |
push %cx |
push %di |
push %si |
mov $VESA_GET_MODE_INFO, %ax |
int $0x10 |
pop %si |
pop %di |
pop %cx |
cmp $VESA_OK, %al |
jne no_mode |
# check for proper attributes (supported, color, graphics, linear framebuffer) |
mov VESA_MODE_ATTRIBUTES_OFFSET(%di), %ax |
and $0x99, %ax |
cmp $0x99, %ax |
jne next_mode |
# check for proper resolution |
mov default_width - vesa_init, %ax |
cmp VESA_MODE_WIDTH_OFFSET(%di), %ax |
jne next_mode |
mov default_height - vesa_init, %ax |
cmp VESA_MODE_HEIGHT_OFFSET(%di), %ax |
jne next_mode |
# check for proper bpp |
mov default_bpp - vesa_init, %al |
cmp VESA_MODE_BPP_OFFSET(%di), %al |
je set_mode |
mov $24, %al |
cmp default_bpp - vesa_init, %al |
jne next_mode |
# for 24 bpp modes accept also 32 bit bpp |
mov $32, %al |
cmp VESA_MODE_BPP_OFFSET(%di), %al |
jne next_mode |
set_mode: |
mov %cx, %bx |
or $0xc000, %bx |
push %di |
mov $VESA_SET_MODE, %ax |
int $0x10 |
pop %di |
cmp $VESA_OK, %al |
jnz no_mode |
# set 3:2:3 VGA palette |
mov VESA_MODE_BPP_OFFSET(%di), %al |
cmp $8, %al |
jnz vga_not_set |
mov VESA_MODE_ATTRIBUTES_OFFSET(%di), %ax |
push %di |
mov $vga323 - vesa_init, %di |
mov $0x100, %ecx |
bt $5, %ax # test if VGA compatible registers are present |
jnc vga_compat |
# try VESA routine to set palette |
mov $VESA_SET_PALETTE, %ax |
xor %bl, %bl |
xor %dx, %dx |
int $0x10 |
cmp $0x00, %ah |
je vga_not_compat |
vga_compat: |
# try VGA registers to set palette |
movw $0x3c6, %dx # set palette mask |
movb $0xff, %al |
outb %al, %dx |
movw $0x3c8, %dx # first index to set |
xor %al, %al |
outb %al, %dx |
movw $0x3c9, %dx # data port |
vga_loop: |
movb %es:2(%di), %al |
outb %al, %dx |
movb %es:1(%di), %al |
outb %al, %dx |
movb %es:(%di), %al |
outb %al, %dx |
addw $4, %di |
loop vga_loop |
vga_not_compat: |
pop %di |
vga_not_set: |
# store mode parameters |
# eax = bpp[8] scanline[16] |
# ebx = width[16] height[16] |
# edx = red_mask[8] red_pos[8] green_mask[8] green_pos[8] |
# esi = blue_mask[8] blue_pos[8] |
# edi = linear frame buffer |
mov VESA_MODE_BPP_OFFSET(%di), %al |
xor %ah, %ah |
shl $16, %eax |
mov VESA_MODE_SCANLINE_OFFSET(%di), %ax |
mov VESA_MODE_WIDTH_OFFSET(%di), %bx |
shl $16, %ebx |
mov VESA_MODE_HEIGHT_OFFSET(%di), %bx |
mov VESA_MODE_BLUE_MASK_OFFSET(%di), %dl |
shl $8, %edx |
mov VESA_MODE_BLUE_POS_OFFSET(%di), %dl |
mov %edx, %esi |
mov VESA_MODE_RED_MASK_OFFSET(%di), %dl |
shl $8, %edx |
mov VESA_MODE_RED_POS_OFFSET(%di), %dl |
shl $8, %edx |
mov VESA_MODE_GREEN_MASK_OFFSET(%di), %dl |
shl $8, %edx |
mov VESA_MODE_GREEN_POS_OFFSET(%di), %dl |
mov VESA_MODE_PHADDR_OFFSET(%di), %edi |
vesa_leave_real: |
mov %cr0, %ecx |
or $1, %ecx |
mov %ecx, %cr0 |
jmp vesa_leave_real2 |
vesa_leave_real2: |
ljmpl $gdtselector(KTEXT32_DES), $(vesa_init_protected - vesa_init + VESA_INIT_SEGMENT << 4) |
no_mode: |
# no prefered mode found |
mov $0x111, %cx |
push %di |
push %cx |
mov $VESA_GET_MODE_INFO, %ax |
int $0x10 |
pop %cx |
pop %di |
cmp $VESA_OK, %al |
jnz text_mode |
jz set_mode # force relative jump |
text_mode: |
# reset to EGA text mode (because of problems with VESA) |
mov $0x0003, %ax |
int $0x10 |
mov $0xffffffff, %edi |
xor %ax, %ax |
jz vesa_leave_real # force relative jump |
vga323: |
#include "vga323.pal" |
default_width: |
.word 0 |
default_height: |
.word 0 |
default_bpp: |
.byte 0 |
default_mode: |
.ascii STRING(CONFIG_VESA_MODE) |
.ascii "-" |
.asciz STRING(CONFIG_VESA_BPP) |
.fill 24 |
#include "vesa_ret.inc" |
.align 4 |
e_vesa_init: |
#endif |
/branches/arm/kernel/arch/ia32/src/boot/vesa_prot.inc |
---|
0,0 → 1,107 |
#ifdef CONFIG_FB |
#define MULTIBOOT_LOADER_MAGIC 0x2BADB002 |
#define MBINFO_BIT_CMDLINE 2 |
#define MBINFO_OFFSET_CMDLINE 16 |
# copy real mode VESA initialization code |
mov $vesa_init, %esi |
mov $VESA_INIT_SEGMENT << 4, %edi |
mov $e_vesa_init - vesa_init, %ecx |
rep movsb |
# check for GRUB command line |
mov grub_eax, %eax |
cmp $MULTIBOOT_LOADER_MAGIC, %eax |
jne no_cmdline |
mov grub_ebx, %ebx |
mov (%ebx), %eax |
bt $MBINFO_BIT_CMDLINE, %eax |
jnc no_cmdline |
# skip the kernel path in command line |
mov MBINFO_OFFSET_CMDLINE(%ebx), %esi |
skip_loop: |
lodsb |
cmp $0, %al |
je no_cmdline |
cmp $' ', %al |
je skip_loop_done |
jmp skip_loop |
skip_loop_done: |
space_loop: |
mov (%esi), %al |
cmp $0, %al |
je no_cmdline |
cmp $' ', %al |
jne space_loop_done |
inc %esi |
jmp space_loop |
space_loop_done: |
# copy at most 23 characters from command line |
mov $VESA_INIT_SEGMENT << 4, %edi |
add $default_mode - vesa_init, %edi |
mov $23, %ecx |
cmd_loop: |
lodsb |
stosb |
cmp $0, %al |
je cmd_loop_done |
loop cmd_loop |
cmd_loop_done: |
# zero termination |
xor %eax, %eax |
stosb |
no_cmdline: |
# jump to the real mode |
mov $VESA_INIT_SEGMENT << 4, %edi |
jmpl *%edi |
vesa_meeting_point: |
# returned back to protected mode |
mov %ax, KA2PA(vesa_scanline) |
shr $16, %eax |
mov %ax, KA2PA(vesa_bpp) |
mov %bx, KA2PA(vesa_height) |
shr $16, %ebx |
mov %bx, KA2PA(vesa_width) |
mov %dl, KA2PA(vesa_green_pos) |
shr $8, %edx |
mov %dl, KA2PA(vesa_green_mask) |
shr $8, %edx |
mov %dl, KA2PA(vesa_red_pos) |
shr $8, %edx |
mov %dl, KA2PA(vesa_red_mask) |
mov %esi, %edx |
mov %dl, KA2PA(vesa_blue_pos) |
shr $8, %edx |
mov %dl, KA2PA(vesa_blue_mask) |
mov %edi, KA2PA(vesa_ph_addr) |
#endif |
/branches/arm/kernel/arch/ia32/src/boot/vesa_ret.inc |
---|
0,0 → 1,12 |
.code32 |
vesa_init_protected: |
movw $gdtselector(KDATA_DES), %cx |
movw %cx, %es |
movw %cx, %fs |
movw %cx, %gs |
movw %cx, %ds # kernel data + stack |
movw %cx, %ss |
movl $START_STACK, %esp # initialize stack pointer |
jmpl $gdtselector(KTEXT_DES), $vesa_meeting_point |
/branches/arm/kernel/arch/ia32/src/boot/vga323.pal |
---|
0,0 → 1,256 |
.byte 0x3f, 0x3f, 0x3f, 0x00 |
.byte 0x36, 0x3f, 0x3f, 0x00 |
.byte 0x2d, 0x3f, 0x3f, 0x00 |
.byte 0x24, 0x3f, 0x3f, 0x00 |
.byte 0x1b, 0x3f, 0x3f, 0x00 |
.byte 0x12, 0x3f, 0x3f, 0x00 |
.byte 0x09, 0x3f, 0x3f, 0x00 |
.byte 0x00, 0x3f, 0x3f, 0x00 |
.byte 0x3f, 0x2a, 0x3f, 0x00 |
.byte 0x36, 0x2a, 0x3f, 0x00 |
.byte 0x2d, 0x2a, 0x3f, 0x00 |
.byte 0x24, 0x2a, 0x3f, 0x00 |
.byte 0x1b, 0x2a, 0x3f, 0x00 |
.byte 0x12, 0x2a, 0x3f, 0x00 |
.byte 0x09, 0x2a, 0x3f, 0x00 |
.byte 0x00, 0x2a, 0x3f, 0x00 |
.byte 0x3f, 0x15, 0x3f, 0x00 |
.byte 0x36, 0x15, 0x3f, 0x00 |
.byte 0x2d, 0x15, 0x3f, 0x00 |
.byte 0x24, 0x15, 0x3f, 0x00 |
.byte 0x1b, 0x15, 0x3f, 0x00 |
.byte 0x12, 0x15, 0x3f, 0x00 |
.byte 0x09, 0x15, 0x3f, 0x00 |
.byte 0x00, 0x15, 0x3f, 0x00 |
.byte 0x3f, 0x00, 0x3f, 0x00 |
.byte 0x36, 0x00, 0x3f, 0x00 |
.byte 0x2d, 0x00, 0x3f, 0x00 |
.byte 0x24, 0x00, 0x3f, 0x00 |
.byte 0x1b, 0x00, 0x3f, 0x00 |
.byte 0x12, 0x00, 0x3f, 0x00 |
.byte 0x09, 0x00, 0x3f, 0x00 |
.byte 0x00, 0x00, 0x3f, 0x00 |
.byte 0x3f, 0x3f, 0x36, 0x00 |
.byte 0x36, 0x3f, 0x36, 0x00 |
.byte 0x2d, 0x3f, 0x36, 0x00 |
.byte 0x24, 0x3f, 0x36, 0x00 |
.byte 0x1b, 0x3f, 0x36, 0x00 |
.byte 0x12, 0x3f, 0x36, 0x00 |
.byte 0x09, 0x3f, 0x36, 0x00 |
.byte 0x00, 0x3f, 0x36, 0x00 |
.byte 0x3f, 0x2a, 0x36, 0x00 |
.byte 0x36, 0x2a, 0x36, 0x00 |
.byte 0x2d, 0x2a, 0x36, 0x00 |
.byte 0x24, 0x2a, 0x36, 0x00 |
.byte 0x1b, 0x2a, 0x36, 0x00 |
.byte 0x12, 0x2a, 0x36, 0x00 |
.byte 0x09, 0x2a, 0x36, 0x00 |
.byte 0x00, 0x2a, 0x36, 0x00 |
.byte 0x3f, 0x15, 0x36, 0x00 |
.byte 0x36, 0x15, 0x36, 0x00 |
.byte 0x2d, 0x15, 0x36, 0x00 |
.byte 0x24, 0x15, 0x36, 0x00 |
.byte 0x1b, 0x15, 0x36, 0x00 |
.byte 0x12, 0x15, 0x36, 0x00 |
.byte 0x09, 0x15, 0x36, 0x00 |
.byte 0x00, 0x15, 0x36, 0x00 |
.byte 0x3f, 0x00, 0x36, 0x00 |
.byte 0x36, 0x00, 0x36, 0x00 |
.byte 0x2d, 0x00, 0x36, 0x00 |
.byte 0x24, 0x00, 0x36, 0x00 |
.byte 0x1b, 0x00, 0x36, 0x00 |
.byte 0x12, 0x00, 0x36, 0x00 |
.byte 0x09, 0x00, 0x36, 0x00 |
.byte 0x00, 0x00, 0x36, 0x00 |
.byte 0x3f, 0x3f, 0x2d, 0x00 |
.byte 0x36, 0x3f, 0x2d, 0x00 |
.byte 0x2d, 0x3f, 0x2d, 0x00 |
.byte 0x24, 0x3f, 0x2d, 0x00 |
.byte 0x1b, 0x3f, 0x2d, 0x00 |
.byte 0x12, 0x3f, 0x2d, 0x00 |
.byte 0x09, 0x3f, 0x2d, 0x00 |
.byte 0x00, 0x3f, 0x2d, 0x00 |
.byte 0x3f, 0x2a, 0x2d, 0x00 |
.byte 0x36, 0x2a, 0x2d, 0x00 |
.byte 0x2d, 0x2a, 0x2d, 0x00 |
.byte 0x24, 0x2a, 0x2d, 0x00 |
.byte 0x1b, 0x2a, 0x2d, 0x00 |
.byte 0x12, 0x2a, 0x2d, 0x00 |
.byte 0x09, 0x2a, 0x2d, 0x00 |
.byte 0x00, 0x2a, 0x2d, 0x00 |
.byte 0x3f, 0x15, 0x2d, 0x00 |
.byte 0x36, 0x15, 0x2d, 0x00 |
.byte 0x2d, 0x15, 0x2d, 0x00 |
.byte 0x24, 0x15, 0x2d, 0x00 |
.byte 0x1b, 0x15, 0x2d, 0x00 |
.byte 0x12, 0x15, 0x2d, 0x00 |
.byte 0x09, 0x15, 0x2d, 0x00 |
.byte 0x00, 0x15, 0x2d, 0x00 |
.byte 0x3f, 0x00, 0x2d, 0x00 |
.byte 0x36, 0x00, 0x2d, 0x00 |
.byte 0x2d, 0x00, 0x2d, 0x00 |
.byte 0x24, 0x00, 0x2d, 0x00 |
.byte 0x1b, 0x00, 0x2d, 0x00 |
.byte 0x12, 0x00, 0x2d, 0x00 |
.byte 0x09, 0x00, 0x2d, 0x00 |
.byte 0x00, 0x00, 0x2d, 0x00 |
.byte 0x3f, 0x3f, 0x24, 0x00 |
.byte 0x36, 0x3f, 0x24, 0x00 |
.byte 0x2d, 0x3f, 0x24, 0x00 |
.byte 0x24, 0x3f, 0x24, 0x00 |
.byte 0x1b, 0x3f, 0x24, 0x00 |
.byte 0x12, 0x3f, 0x24, 0x00 |
.byte 0x09, 0x3f, 0x24, 0x00 |
.byte 0x00, 0x3f, 0x24, 0x00 |
.byte 0x3f, 0x2a, 0x24, 0x00 |
.byte 0x36, 0x2a, 0x24, 0x00 |
.byte 0x2d, 0x2a, 0x24, 0x00 |
.byte 0x24, 0x2a, 0x24, 0x00 |
.byte 0x1b, 0x2a, 0x24, 0x00 |
.byte 0x12, 0x2a, 0x24, 0x00 |
.byte 0x09, 0x2a, 0x24, 0x00 |
.byte 0x00, 0x2a, 0x24, 0x00 |
.byte 0x3f, 0x15, 0x24, 0x00 |
.byte 0x36, 0x15, 0x24, 0x00 |
.byte 0x2d, 0x15, 0x24, 0x00 |
.byte 0x24, 0x15, 0x24, 0x00 |
.byte 0x1b, 0x15, 0x24, 0x00 |
.byte 0x12, 0x15, 0x24, 0x00 |
.byte 0x09, 0x15, 0x24, 0x00 |
.byte 0x00, 0x15, 0x24, 0x00 |
.byte 0x3f, 0x00, 0x24, 0x00 |
.byte 0x36, 0x00, 0x24, 0x00 |
.byte 0x2d, 0x00, 0x24, 0x00 |
.byte 0x24, 0x00, 0x24, 0x00 |
.byte 0x1b, 0x00, 0x24, 0x00 |
.byte 0x12, 0x00, 0x24, 0x00 |
.byte 0x09, 0x00, 0x24, 0x00 |
.byte 0x00, 0x00, 0x24, 0x00 |
.byte 0x3f, 0x3f, 0x1b, 0x00 |
.byte 0x36, 0x3f, 0x1b, 0x00 |
.byte 0x2d, 0x3f, 0x1b, 0x00 |
.byte 0x24, 0x3f, 0x1b, 0x00 |
.byte 0x1b, 0x3f, 0x1b, 0x00 |
.byte 0x12, 0x3f, 0x1b, 0x00 |
.byte 0x09, 0x3f, 0x1b, 0x00 |
.byte 0x00, 0x3f, 0x1b, 0x00 |
.byte 0x3f, 0x2a, 0x1b, 0x00 |
.byte 0x36, 0x2a, 0x1b, 0x00 |
.byte 0x2d, 0x2a, 0x1b, 0x00 |
.byte 0x24, 0x2a, 0x1b, 0x00 |
.byte 0x1b, 0x2a, 0x1b, 0x00 |
.byte 0x12, 0x2a, 0x1b, 0x00 |
.byte 0x09, 0x2a, 0x1b, 0x00 |
.byte 0x00, 0x2a, 0x1b, 0x00 |
.byte 0x3f, 0x15, 0x1b, 0x00 |
.byte 0x36, 0x15, 0x1b, 0x00 |
.byte 0x2d, 0x15, 0x1b, 0x00 |
.byte 0x24, 0x15, 0x1b, 0x00 |
.byte 0x1b, 0x15, 0x1b, 0x00 |
.byte 0x12, 0x15, 0x1b, 0x00 |
.byte 0x09, 0x15, 0x1b, 0x00 |
.byte 0x00, 0x15, 0x1b, 0x00 |
.byte 0x3f, 0x00, 0x1b, 0x00 |
.byte 0x36, 0x00, 0x1b, 0x00 |
.byte 0x2d, 0x00, 0x1b, 0x00 |
.byte 0x24, 0x00, 0x1b, 0x00 |
.byte 0x1b, 0x00, 0x1b, 0x00 |
.byte 0x12, 0x00, 0x1b, 0x00 |
.byte 0x09, 0x00, 0x1b, 0x00 |
.byte 0x00, 0x00, 0x1b, 0x00 |
.byte 0x3f, 0x3f, 0x12, 0x00 |
.byte 0x36, 0x3f, 0x12, 0x00 |
.byte 0x2d, 0x3f, 0x12, 0x00 |
.byte 0x24, 0x3f, 0x12, 0x00 |
.byte 0x1b, 0x3f, 0x12, 0x00 |
.byte 0x12, 0x3f, 0x12, 0x00 |
.byte 0x09, 0x3f, 0x12, 0x00 |
.byte 0x00, 0x3f, 0x12, 0x00 |
.byte 0x3f, 0x2a, 0x12, 0x00 |
.byte 0x36, 0x2a, 0x12, 0x00 |
.byte 0x2d, 0x2a, 0x12, 0x00 |
.byte 0x24, 0x2a, 0x12, 0x00 |
.byte 0x1b, 0x2a, 0x12, 0x00 |
.byte 0x12, 0x2a, 0x12, 0x00 |
.byte 0x09, 0x2a, 0x12, 0x00 |
.byte 0x00, 0x2a, 0x12, 0x00 |
.byte 0x3f, 0x15, 0x12, 0x00 |
.byte 0x36, 0x15, 0x12, 0x00 |
.byte 0x2d, 0x15, 0x12, 0x00 |
.byte 0x24, 0x15, 0x12, 0x00 |
.byte 0x1b, 0x15, 0x12, 0x00 |
.byte 0x12, 0x15, 0x12, 0x00 |
.byte 0x09, 0x15, 0x12, 0x00 |
.byte 0x00, 0x15, 0x12, 0x00 |
.byte 0x3f, 0x00, 0x12, 0x00 |
.byte 0x36, 0x00, 0x12, 0x00 |
.byte 0x2d, 0x00, 0x12, 0x00 |
.byte 0x24, 0x00, 0x12, 0x00 |
.byte 0x1b, 0x00, 0x12, 0x00 |
.byte 0x12, 0x00, 0x12, 0x00 |
.byte 0x09, 0x00, 0x12, 0x00 |
.byte 0x00, 0x00, 0x12, 0x00 |
.byte 0x3f, 0x3f, 0x09, 0x00 |
.byte 0x36, 0x3f, 0x09, 0x00 |
.byte 0x2d, 0x3f, 0x09, 0x00 |
.byte 0x24, 0x3f, 0x09, 0x00 |
.byte 0x1b, 0x3f, 0x09, 0x00 |
.byte 0x12, 0x3f, 0x09, 0x00 |
.byte 0x09, 0x3f, 0x09, 0x00 |
.byte 0x00, 0x3f, 0x09, 0x00 |
.byte 0x3f, 0x2a, 0x09, 0x00 |
.byte 0x36, 0x2a, 0x09, 0x00 |
.byte 0x2d, 0x2a, 0x09, 0x00 |
.byte 0x24, 0x2a, 0x09, 0x00 |
.byte 0x1b, 0x2a, 0x09, 0x00 |
.byte 0x12, 0x2a, 0x09, 0x00 |
.byte 0x09, 0x2a, 0x09, 0x00 |
.byte 0x00, 0x2a, 0x09, 0x00 |
.byte 0x3f, 0x15, 0x09, 0x00 |
.byte 0x36, 0x15, 0x09, 0x00 |
.byte 0x2d, 0x15, 0x09, 0x00 |
.byte 0x24, 0x15, 0x09, 0x00 |
.byte 0x1b, 0x15, 0x09, 0x00 |
.byte 0x12, 0x15, 0x09, 0x00 |
.byte 0x09, 0x15, 0x09, 0x00 |
.byte 0x00, 0x15, 0x09, 0x00 |
.byte 0x3f, 0x00, 0x09, 0x00 |
.byte 0x36, 0x00, 0x09, 0x00 |
.byte 0x2d, 0x00, 0x09, 0x00 |
.byte 0x24, 0x00, 0x09, 0x00 |
.byte 0x1b, 0x00, 0x09, 0x00 |
.byte 0x12, 0x00, 0x09, 0x00 |
.byte 0x09, 0x00, 0x09, 0x00 |
.byte 0x00, 0x00, 0x09, 0x00 |
.byte 0x3f, 0x3f, 0x00, 0x00 |
.byte 0x36, 0x3f, 0x00, 0x00 |
.byte 0x2d, 0x3f, 0x00, 0x00 |
.byte 0x24, 0x3f, 0x00, 0x00 |
.byte 0x1b, 0x3f, 0x00, 0x00 |
.byte 0x12, 0x3f, 0x00, 0x00 |
.byte 0x09, 0x3f, 0x00, 0x00 |
.byte 0x00, 0x3f, 0x00, 0x00 |
.byte 0x3f, 0x2a, 0x00, 0x00 |
.byte 0x36, 0x2a, 0x00, 0x00 |
.byte 0x2d, 0x2a, 0x00, 0x00 |
.byte 0x24, 0x2a, 0x00, 0x00 |
.byte 0x1b, 0x2a, 0x00, 0x00 |
.byte 0x12, 0x2a, 0x00, 0x00 |
.byte 0x09, 0x2a, 0x00, 0x00 |
.byte 0x00, 0x2a, 0x00, 0x00 |
.byte 0x3f, 0x15, 0x00, 0x00 |
.byte 0x36, 0x15, 0x00, 0x00 |
.byte 0x2d, 0x15, 0x00, 0x00 |
.byte 0x24, 0x15, 0x00, 0x00 |
.byte 0x1b, 0x15, 0x00, 0x00 |
.byte 0x12, 0x15, 0x00, 0x00 |
.byte 0x09, 0x15, 0x00, 0x00 |
.byte 0x00, 0x15, 0x00, 0x00 |
.byte 0x3f, 0x00, 0x00, 0x00 |
.byte 0x36, 0x00, 0x00, 0x00 |
.byte 0x2d, 0x00, 0x00, 0x00 |
.byte 0x24, 0x00, 0x00, 0x00 |
.byte 0x1b, 0x00, 0x00, 0x00 |
.byte 0x12, 0x00, 0x00, 0x00 |
.byte 0x09, 0x00, 0x00, 0x00 |
.byte 0x00, 0x00, 0x00, 0x00 |
/branches/arm/kernel/arch/ia32/src/boot/memmap.c |
---|
0,0 → 1,41 |
/* |
* Copyright (c) 2005 Josef Cejka |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32mm |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/boot/memmap.h> |
uint8_t e820counter = 0xff; |
e820memmap_t e820table[MEMMAP_E820_MAX_RECORDS]; |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/drivers/vesa.c |
---|
0,0 → 1,121 |
/* |
* Copyright (c) 2006 Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** |
* @file |
* @brief VESA frame buffer driver. |
*/ |
#ifdef CONFIG_FB |
#include <genarch/fb/fb.h> |
#include <genarch/fb/visuals.h> |
#include <arch/drivers/vesa.h> |
#include <putchar.h> |
#include <mm/page.h> |
#include <mm/frame.h> |
#include <mm/as.h> |
#include <arch/mm/page.h> |
#include <synch/spinlock.h> |
#include <arch/asm.h> |
#include <arch/types.h> |
#include <memstr.h> |
#include <bitops.h> |
uint32_t vesa_ph_addr; |
uint16_t vesa_width; |
uint16_t vesa_height; |
uint16_t vesa_bpp; |
uint16_t vesa_scanline; |
uint8_t vesa_red_mask; |
uint8_t vesa_red_pos; |
uint8_t vesa_green_mask; |
uint8_t vesa_green_pos; |
uint8_t vesa_blue_mask; |
uint8_t vesa_blue_pos; |
int vesa_present(void) |
{ |
if ((vesa_width != 0xffff) && (vesa_height != 0xffff)) |
return true; |
return false; |
} |
void vesa_init(void) |
{ |
unsigned int visual; |
switch (vesa_bpp) { |
case 8: |
visual = VISUAL_INDIRECT_8; |
break; |
case 16: |
if ((vesa_red_mask == 5) && (vesa_red_pos == 10) |
&& (vesa_green_mask == 5) && (vesa_green_pos == 5) |
&& (vesa_blue_mask == 5) && (vesa_blue_pos == 0)) |
visual = VISUAL_RGB_5_5_5; |
else |
visual = VISUAL_RGB_5_6_5; |
break; |
case 24: |
visual = VISUAL_RGB_8_8_8; |
break; |
case 32: |
visual = VISUAL_RGB_0_8_8_8; |
break; |
default: |
panic("Unsupported bits per pixel."); |
} |
fb_properties_t vesa_props = { |
.addr = vesa_ph_addr, |
.offset = 0, |
.x = vesa_width, |
.y = vesa_height, |
.scan = vesa_scanline, |
.visual = visual, |
}; |
fb_init(&vesa_props); |
} |
void vesa_redraw(void) |
{ |
fb_redraw(); |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/drivers/i8254.c |
---|
0,0 → 1,162 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** |
* @file |
* @brief i8254 chip driver. |
* |
* Low level time functions. |
*/ |
#include <arch/types.h> |
#include <time/clock.h> |
#include <time/delay.h> |
#include <arch/cycle.h> |
#include <arch/interrupt.h> |
#include <arch/drivers/i8259.h> |
#include <arch/drivers/i8254.h> |
#include <cpu.h> |
#include <config.h> |
#include <arch/pm.h> |
#include <arch/asm.h> |
#include <arch/cpuid.h> |
#include <arch.h> |
#include <time/delay.h> |
#include <ddi/irq.h> |
#include <ddi/device.h> |
#define CLK_PORT1 ((ioport8_t *)0x40) |
#define CLK_PORT4 ((ioport8_t *)0x43) |
#define CLK_CONST 1193180 |
#define MAGIC_NUMBER 1194 |
static irq_t i8254_irq; |
static irq_ownership_t i8254_claim(irq_t *irq) |
{ |
return IRQ_ACCEPT; |
} |
static void i8254_irq_handler(irq_t *irq) |
{ |
/* |
* This IRQ is responsible for kernel preemption. |
* Nevertheless, we are now holding a spinlock which prevents |
* preemption. For this particular IRQ, we don't need the |
* lock. We just release it, call clock() and then reacquire it again. |
*/ |
spinlock_unlock(&irq->lock); |
clock(); |
spinlock_lock(&irq->lock); |
} |
void i8254_init(void) |
{ |
irq_initialize(&i8254_irq); |
i8254_irq.preack = true; |
i8254_irq.devno = device_assign_devno(); |
i8254_irq.inr = IRQ_CLK; |
i8254_irq.claim = i8254_claim; |
i8254_irq.handler = i8254_irq_handler; |
irq_register(&i8254_irq); |
i8254_normal_operation(); |
} |
void i8254_normal_operation(void) |
{ |
pio_write_8(CLK_PORT4, 0x36); |
pic_disable_irqs(1 << IRQ_CLK); |
pio_write_8(CLK_PORT1, (CLK_CONST / HZ) & 0xf); |
pio_write_8(CLK_PORT1, (CLK_CONST / HZ) >> 8); |
pic_enable_irqs(1 << IRQ_CLK); |
} |
#define LOOPS 150000 |
#define SHIFT 11 |
void i8254_calibrate_delay_loop(void) |
{ |
uint64_t clk1, clk2; |
uint32_t t1, t2, o1, o2; |
uint8_t not_ok; |
/* |
* One-shot timer. Count-down from 0xffff at 1193180Hz |
* MAGIC_NUMBER is the magic value for 1ms. |
*/ |
pio_write_8(CLK_PORT4, 0x30); |
pio_write_8(CLK_PORT1, 0xff); |
pio_write_8(CLK_PORT1, 0xff); |
do { |
/* will read both status and count */ |
pio_write_8(CLK_PORT4, 0xc2); |
not_ok = (uint8_t) ((pio_read_8(CLK_PORT1) >> 6) & 1); |
t1 = pio_read_8(CLK_PORT1); |
t1 |= pio_read_8(CLK_PORT1) << 8; |
} while (not_ok); |
asm_delay_loop(LOOPS); |
pio_write_8(CLK_PORT4, 0xd2); |
t2 = pio_read_8(CLK_PORT1); |
t2 |= pio_read_8(CLK_PORT1) << 8; |
/* |
* We want to determine the overhead of the calibrating mechanism. |
*/ |
pio_write_8(CLK_PORT4, 0xd2); |
o1 = pio_read_8(CLK_PORT1); |
o1 |= pio_read_8(CLK_PORT1) << 8; |
asm_fake_loop(LOOPS); |
pio_write_8(CLK_PORT4, 0xd2); |
o2 = pio_read_8(CLK_PORT1); |
o2 |= pio_read_8(CLK_PORT1) << 8; |
CPU->delay_loop_const = |
((MAGIC_NUMBER * LOOPS) / 1000) / ((t1 - t2) - (o1 - o2)) + |
(((MAGIC_NUMBER * LOOPS) / 1000) % ((t1 - t2) - (o1 - o2)) ? 1 : 0); |
clk1 = get_cycle(); |
delay(1 << SHIFT); |
clk2 = get_cycle(); |
CPU->frequency_mhz = (clk2 - clk1) >> SHIFT; |
return; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/drivers/i8259.c |
---|
0,0 → 1,134 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** |
* @file |
* @brief PIC driver. |
* |
* Programmable Interrupt Controller for UP systems based on i8259 chip. |
*/ |
#include <arch/drivers/i8259.h> |
#include <cpu.h> |
#include <arch/types.h> |
#include <arch/asm.h> |
#include <arch.h> |
#include <print.h> |
#include <interrupt.h> |
static void pic_spurious(int n, istate_t *istate); |
void i8259_init(void) |
{ |
/* ICW1: this is ICW1, ICW4 to follow */ |
pio_write_8(PIC_PIC0PORT1, PIC_ICW1 | PIC_NEEDICW4); |
/* ICW2: IRQ 0 maps to INT IRQBASE */ |
pio_write_8(PIC_PIC0PORT2, IVT_IRQBASE); |
/* ICW3: pic1 using IRQ IRQ_PIC1 */ |
pio_write_8(PIC_PIC0PORT2, 1 << IRQ_PIC1); |
/* ICW4: i8086 mode */ |
pio_write_8(PIC_PIC0PORT2, 1); |
/* ICW1: ICW1, ICW4 to follow */ |
pio_write_8(PIC_PIC1PORT1, PIC_ICW1 | PIC_NEEDICW4); |
/* ICW2: IRQ 8 maps to INT (IVT_IRQBASE + 8) */ |
pio_write_8(PIC_PIC1PORT2, IVT_IRQBASE + 8); |
/* ICW3: pic1 is known as IRQ_PIC1 */ |
pio_write_8(PIC_PIC1PORT2, IRQ_PIC1); |
/* ICW4: i8086 mode */ |
pio_write_8(PIC_PIC1PORT2, 1); |
/* |
* Register interrupt handler for the PIC spurious interrupt. |
*/ |
exc_register(VECTOR_PIC_SPUR, "pic_spurious", (iroutine) pic_spurious); |
/* |
* Set the enable/disable IRQs handlers. |
* Set the End-of-Interrupt handler. |
*/ |
enable_irqs_function = pic_enable_irqs; |
disable_irqs_function = pic_disable_irqs; |
eoi_function = pic_eoi; |
pic_disable_irqs(0xffff); /* disable all irq's */ |
pic_enable_irqs(1 << IRQ_PIC1); /* but enable pic1 */ |
} |
void pic_enable_irqs(uint16_t irqmask) |
{ |
uint8_t x; |
if (irqmask & 0xff) { |
x = pio_read_8(PIC_PIC0PORT2); |
pio_write_8(PIC_PIC0PORT2, (uint8_t) (x & (~(irqmask & 0xff)))); |
} |
if (irqmask >> 8) { |
x = pio_read_8(PIC_PIC1PORT2); |
pio_write_8(PIC_PIC1PORT2, (uint8_t) (x & (~(irqmask >> 8)))); |
} |
} |
void pic_disable_irqs(uint16_t irqmask) |
{ |
uint8_t x; |
if (irqmask & 0xff) { |
x = pio_read_8(PIC_PIC0PORT2); |
pio_write_8(PIC_PIC0PORT2, (uint8_t) (x | (irqmask & 0xff))); |
} |
if (irqmask >> 8) { |
x = pio_read_8(PIC_PIC1PORT2); |
pio_write_8(PIC_PIC1PORT2, (uint8_t) (x | (irqmask >> 8))); |
} |
} |
void pic_eoi(void) |
{ |
pio_write_8((ioport8_t *)0x20, 0x20); |
pio_write_8((ioport8_t *)0xa0, 0x20); |
} |
void pic_spurious(int n __attribute__((unused)), istate_t *istate __attribute__((unused))) |
{ |
#ifdef CONFIG_DEBUG |
printf("cpu%u: PIC spurious interrupt\n", CPU->id); |
#endif |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/proc/scheduler.c |
---|
0,0 → 1,79 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32proc |
* @{ |
*/ |
/** @file |
*/ |
#include <proc/scheduler.h> |
#include <cpu.h> |
#include <proc/task.h> |
#include <proc/thread.h> |
#include <arch.h> |
#include <arch/context.h> /* SP_DELTA */ |
#include <arch/pm.h> |
#include <arch/asm.h> |
#include <arch/ddi/ddi.h> |
/** Perform ia32 specific tasks needed before the new task is run. |
* |
* Interrupts are disabled. |
*/ |
void before_task_runs_arch(void) |
{ |
io_perm_bitmap_install(); |
} |
/** Perform ia32 specific tasks needed before the new thread is scheduled. |
* |
* THREAD is locked and interrupts are disabled. |
*/ |
void before_thread_runs_arch(void) |
{ |
uintptr_t kstk = (uintptr_t) &THREAD->kstack[THREAD_STACK_SIZE - |
SP_DELTA]; |
/* Set kernel stack for CP3 -> CPL0 switch via SYSENTER */ |
write_msr(IA32_MSR_SYSENTER_ESP, kstk); |
/* Set kernel stack for CPL3 -> CPL0 switch via interrupt */ |
CPU->arch.tss->esp0 = kstk; |
CPU->arch.tss->ss0 = gdtselector(KDATA_DES); |
/* Set up TLS in GS register */ |
set_tls_desc(THREAD->arch.tls); |
} |
void after_thread_ran_arch(void) |
{ |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/proc/task.c |
---|
0,0 → 1,61 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32proc |
* @{ |
*/ |
/** @file |
*/ |
#include <proc/task.h> |
#include <arch/types.h> |
#include <adt/bitmap.h> |
#include <mm/slab.h> |
/** Perform ia32 specific task initialization. |
* |
* @param t Task to be initialized. |
*/ |
void task_create_arch(task_t *t) |
{ |
t->arch.iomapver = 0; |
bitmap_initialize(&t->arch.iomap, NULL, 0); |
} |
/** Perform ia32 specific task destruction. |
* |
* @param t Task to be initialized. |
*/ |
void task_destroy_arch(task_t *t) |
{ |
if (t->arch.iomap.map) |
free(t->arch.iomap.map); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/proc/thread.c |
---|
0,0 → 1,47 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32proc |
* @{ |
*/ |
/** @file |
*/ |
#include <proc/thread.h> |
/** Perform ia32 specific thread initialization. |
* |
* @param t Thread to be initialized. |
*/ |
void thread_create_arch(thread_t *t) |
{ |
t->arch.tls = 0; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/syscall.c |
---|
0,0 → 1,53 |
/* |
* Copyright (c) 2008 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/syscall.h> |
#include <arch/cpu.h> |
#include <arch/asm.h> |
#include <arch/types.h> |
#include <arch/pm.h> |
/** Enable & setup support for SYSENTER/SYSEXIT */ |
void syscall_setup_cpu(void) |
{ |
extern void sysenter_handler(void); |
/* set kernel mode CS selector */ |
write_msr(IA32_MSR_SYSENTER_CS, gdtselector(KTEXT_DES)); |
/* set kernel mode entry point */ |
write_msr(IA32_MSR_SYSENTER_EIP, (uint32_t) sysenter_handler); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/userspace.c |
---|
0,0 → 1,91 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#include <userspace.h> |
#include <arch/pm.h> |
#include <arch/types.h> |
#include <arch.h> |
#include <proc/uarg.h> |
#include <mm/as.h> |
/** Enter userspace |
* |
* Change CPU protection level to 3, enter userspace. |
* |
*/ |
void userspace(uspace_arg_t *kernel_uarg) |
{ |
ipl_t ipl = interrupts_disable(); |
asm volatile ( |
/* |
* Clear nested task flag. |
*/ |
"pushfl\n" |
"pop %%eax\n" |
"and $0xffffbfff, %%eax\n" |
"push %%eax\n" |
"popfl\n" |
/* Set up GS register (TLS) */ |
"movl %[tls_des], %%gs\n" |
"pushl %[udata_des]\n" |
"pushl %[stack_size]\n" |
"pushl %[ipl]\n" |
"pushl %[utext_des]\n" |
"pushl %[entry]\n" |
"movl %[uarg], %%eax\n" |
/* %ebx is defined to hold pcb_ptr - set it to 0 */ |
"xorl %%ebx, %%ebx\n" |
"iret\n" |
: |
: [udata_des] "i" (gdtselector(UDATA_DES) | PL_USER), |
[stack_size] "r" ((uint8_t *) kernel_uarg->uspace_stack + THREAD_STACK_SIZE), |
[ipl] "r" (ipl), |
[utext_des] "i" (gdtselector(UTEXT_DES) | PL_USER), |
[entry] "r" (kernel_uarg->uspace_entry), |
[uarg] "r" (kernel_uarg->uspace_uarg), |
[tls_des] "r" (gdtselector(TLS_DES)) |
: "eax"); |
/* Unreachable */ |
while (1); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/fpu_context.c |
---|
0,0 → 1,118 |
/* |
* Copyright (c) 2005 Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
* |
*/ |
#include <fpu_context.h> |
#include <arch.h> |
#include <cpu.h> |
typedef void (*fpu_context_function)(fpu_context_t *fctx); |
static fpu_context_function fpu_save, fpu_restore; |
static void fpu_context_f_save(fpu_context_t *fctx) |
{ |
asm volatile ( |
"fnsave %[fctx]" |
: [fctx] "=m" (*fctx) |
); |
} |
static void fpu_context_f_restore(fpu_context_t *fctx) |
{ |
asm volatile ( |
"frstor %[fctx]" |
: [fctx] "=m" (*fctx) |
); |
} |
static void fpu_context_fx_save(fpu_context_t *fctx) |
{ |
asm volatile ( |
"fxsave %[fctx]" |
: [fctx] "=m" (*fctx) |
); |
} |
static void fpu_context_fx_restore(fpu_context_t *fctx) |
{ |
asm volatile ( |
"fxrstor %[fctx]" |
: [fctx] "=m" (*fctx) |
); |
} |
/* Setup using fxsr instruction */ |
void fpu_fxsr(void) |
{ |
fpu_save=fpu_context_fx_save; |
fpu_restore=fpu_context_fx_restore; |
} |
/* Setup using not fxsr instruction */ |
void fpu_fsr(void) |
{ |
fpu_save = fpu_context_f_save; |
fpu_restore = fpu_context_f_restore; |
} |
void fpu_context_save(fpu_context_t *fctx) |
{ |
fpu_save(fctx); |
} |
void fpu_context_restore(fpu_context_t *fctx) |
{ |
fpu_restore(fctx); |
} |
void fpu_init() |
{ |
uint32_t help0 = 0; |
uint32_t help1 = 0; |
asm volatile ( |
"fninit\n" |
"stmxcsr %[help0]\n" |
"mov %[help0], %[help1]\n" |
"or %[magic], %[help1]\n" |
"mov %[help1], %[help0]\n" |
"ldmxcsr %[help0]\n" |
: [help0] "+m" (help0), [help1] "+r" (help1) |
: [magic] "i" (0x1f80) |
); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/cpu/cpu.c |
---|
0,0 → 1,167 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/cpu.h> |
#include <arch/cpuid.h> |
#include <arch/pm.h> |
#include <arch.h> |
#include <arch/types.h> |
#include <print.h> |
#include <fpu_context.h> |
#include <arch/smp/apic.h> |
#include <arch/syscall.h> |
/* |
* Identification of CPUs. |
* Contains only non-MP-Specification specific SMP code. |
*/ |
#define AMD_CPUID_EBX 0x68747541 |
#define AMD_CPUID_ECX 0x444d4163 |
#define AMD_CPUID_EDX 0x69746e65 |
#define INTEL_CPUID_EBX 0x756e6547 |
#define INTEL_CPUID_ECX 0x6c65746e |
#define INTEL_CPUID_EDX 0x49656e69 |
enum vendor { |
VendorUnknown = 0, |
VendorAMD, |
VendorIntel |
}; |
static char *vendor_str[] = { |
"Unknown Vendor", |
"AMD", |
"Intel" |
}; |
void fpu_disable(void) |
{ |
asm volatile ( |
"mov %%cr0, %%eax\n" |
"or $8, %%eax\n" |
"mov %%eax, %%cr0\n" |
::: "%eax" |
); |
} |
void fpu_enable(void) |
{ |
asm volatile ( |
"mov %%cr0, %%eax\n" |
"and $0xffFFffF7, %%eax\n" |
"mov %%eax,%%cr0\n" |
::: "%eax" |
); |
} |
void cpu_arch_init(void) |
{ |
cpuid_feature_info fi; |
cpuid_extended_feature_info efi; |
cpu_info_t info; |
uint32_t help = 0; |
CPU->arch.tss = tss_p; |
CPU->arch.tss->iomap_base = &CPU->arch.tss->iomap[0] - ((uint8_t *) CPU->arch.tss); |
CPU->fpu_owner = NULL; |
cpuid(1, &info); |
fi.word = info.cpuid_edx; |
efi.word = info.cpuid_ecx; |
if (fi.bits.fxsr) |
fpu_fxsr(); |
else |
fpu_fsr(); |
if (fi.bits.sse) { |
asm volatile ( |
"mov %%cr4, %[help]\n" |
"or %[mask], %[help]\n" |
"mov %[help], %%cr4\n" |
: [help] "+r" (help) |
: [mask] "i" (CR4_OSFXSR_MASK | (1 << 10)) |
); |
} |
/* Setup fast SYSENTER/SYSEXIT syscalls */ |
syscall_setup_cpu(); |
} |
void cpu_identify(void) |
{ |
cpu_info_t info; |
CPU->arch.vendor = VendorUnknown; |
if (has_cpuid()) { |
cpuid(0, &info); |
/* |
* Check for AMD processor. |
*/ |
if ((info.cpuid_ebx == AMD_CPUID_EBX) |
&& (info.cpuid_ecx == AMD_CPUID_ECX) |
&& (info.cpuid_edx == AMD_CPUID_EDX)) |
CPU->arch.vendor = VendorAMD; |
/* |
* Check for Intel processor. |
*/ |
if ((info.cpuid_ebx == INTEL_CPUID_EBX) |
&& (info.cpuid_ecx == INTEL_CPUID_ECX) |
&& (info.cpuid_edx == INTEL_CPUID_EDX)) |
CPU->arch.vendor = VendorIntel; |
cpuid(1, &info); |
CPU->arch.family = (info.cpuid_eax >> 8) & 0x0f; |
CPU->arch.model = (info.cpuid_eax >> 4) & 0x0f; |
CPU->arch.stepping = (info.cpuid_eax >> 0) & 0x0f; |
} |
} |
void cpu_print_report(cpu_t* cpu) |
{ |
printf("cpu%u: (%s family=%u model=%u stepping=%u) %" PRIu16 " MHz\n", |
cpu->id, vendor_str[cpu->arch.vendor], cpu->arch.family, |
cpu->arch.model, cpu->arch.stepping, cpu->frequency_mhz); |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/asm.S |
---|
0,0 → 1,319 |
# |
# Copyright (c) 2001-2004 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
## very low and hardware-level functions |
# Mask for interrupts 0 - 31 (bits 0 - 31) where 0 means that int has no error |
# word and 1 means interrupt with error word |
#define ERROR_WORD_INTERRUPT_LIST 0x00027d00 |
.text |
.global paging_on |
.global enable_l_apic_in_msr |
.global interrupt_handlers |
.global memsetb |
.global memsetw |
.global memcpy |
.global memcpy_from_uspace |
.global memcpy_from_uspace_failover_address |
.global memcpy_to_uspace |
.global memcpy_to_uspace_failover_address |
# Wrapper for generic memsetb |
memsetb: |
jmp _memsetb |
# Wrapper for generic memsetw |
memsetw: |
jmp _memsetw |
#define MEMCPY_DST 4 |
#define MEMCPY_SRC 8 |
#define MEMCPY_SIZE 12 |
/** Copy memory to/from userspace. |
* |
* This is almost conventional memcpy(). |
* The difference is that there is a failover part |
* to where control is returned from a page fault |
* if the page fault occurs during copy_from_uspace() |
* or copy_to_uspace(). |
* |
* @param MEMCPY_DST(%esp) Destination address. |
* @param MEMCPY_SRC(%esp) Source address. |
* @param MEMCPY_SIZE(%esp) Size. |
* |
* @return MEMCPY_DST(%esp) on success and 0 on failure. |
*/ |
memcpy: |
memcpy_from_uspace: |
memcpy_to_uspace: |
movl %edi, %edx /* save %edi */ |
movl %esi, %eax /* save %esi */ |
movl MEMCPY_SIZE(%esp), %ecx |
shrl $2, %ecx /* size / 4 */ |
movl MEMCPY_DST(%esp), %edi |
movl MEMCPY_SRC(%esp), %esi |
rep movsl /* copy whole words */ |
movl MEMCPY_SIZE(%esp), %ecx |
andl $3, %ecx /* size % 4 */ |
jz 0f |
rep movsb /* copy the rest byte by byte */ |
0: |
movl %edx, %edi |
movl %eax, %esi |
movl MEMCPY_DST(%esp), %eax /* MEMCPY_DST(%esp), success */ |
ret |
/* |
* We got here from as_page_fault() after the memory operations |
* above had caused a page fault. |
*/ |
memcpy_from_uspace_failover_address: |
memcpy_to_uspace_failover_address: |
movl %edx, %edi |
movl %eax, %esi |
xorl %eax, %eax /* return 0, failure */ |
ret |
## Turn paging on |
# |
# Enable paging and write-back caching in CR0. |
# |
paging_on: |
movl %cr0, %edx |
orl $(1 << 31), %edx # paging on |
# clear Cache Disable and not Write Though |
andl $~((1 << 30) | (1 << 29)), %edx |
movl %edx,%cr0 |
jmp 0f |
0: |
ret |
## Enable local APIC |
# |
# Enable local APIC in MSR. |
# |
enable_l_apic_in_msr: |
movl $0x1b, %ecx |
rdmsr |
orl $(1 << 11), %eax |
orl $(0xfee00000), %eax |
wrmsr |
ret |
# Clear nested flag |
# overwrites %ecx |
.macro CLEAR_NT_FLAG |
pushfl |
pop %ecx |
and $0xffffbfff, %ecx |
push %ecx |
popfl |
.endm |
/* |
* The SYSENTER syscall mechanism can be used for syscalls with |
* four or fewer arguments. To pass these four arguments, we |
* use four registers: EDX, ECX, EBX, ESI. The syscall number |
* is passed in EAX. We use EDI to remember the return address |
* and EBP to remember the stack. The INT-based syscall mechanism |
* can actually handle six arguments plus the syscall number |
* entirely in registers. |
*/ |
.global sysenter_handler |
sysenter_handler: |
sti |
pushl %ebp # remember user stack |
pushl %edi # remember return user address |
pushl %gs # remember TLS |
pushl %eax # syscall number |
subl $8, %esp # unused sixth and fifth argument |
pushl %esi # fourth argument |
pushl %ebx # third argument |
pushl %ecx # second argument |
pushl %edx # first argument |
movw $16, %ax |
movw %ax, %ds |
movw %ax, %es |
cld |
call syscall_handler |
addl $28, %esp # remove arguments from stack |
pop %gs # restore TLS |
pop %edx # prepare return EIP for SYSEXIT |
pop %ecx # prepare userspace ESP for SYSEXIT |
sysexit # return to userspace |
## Declare interrupt handlers |
# |
# Declare interrupt handlers for n interrupt |
# vectors starting at vector i. |
# |
# The handlers setup data segment registers |
# and call exc_dispatch(). |
# |
#define INTERRUPT_ALIGN 64 |
.macro handler i n |
.ifeq \i - 0x30 # Syscall handler |
pushl %ds |
pushl %es |
pushl %fs |
pushl %gs |
# |
# Push syscall arguments onto the stack |
# |
# NOTE: The idea behind the order of arguments passed in registers is to |
# use all scratch registers first and preserved registers next. |
# An optimized libc syscall wrapper can make use of this setup. |
# |
pushl %eax |
pushl %ebp |
pushl %edi |
pushl %esi |
pushl %ebx |
pushl %ecx |
pushl %edx |
# we must fill the data segment registers |
movw $16, %ax |
movw %ax, %ds |
movw %ax, %es |
cld |
sti |
# syscall_handler(edx, ecx, ebx, esi, edi, ebp, eax) |
call syscall_handler |
cli |
addl $28, %esp # clean-up of parameters |
popl %gs |
popl %fs |
popl %es |
popl %ds |
CLEAR_NT_FLAG |
iret |
.else |
/* |
* This macro distinguishes between two versions of ia32 exceptions. |
* One version has error word and the other does not have it. |
* The latter version fakes the error word on the stack so that the |
* handlers and istate_t can be the same for both types. |
*/ |
.iflt \i - 32 |
.if (1 << \i) & ERROR_WORD_INTERRUPT_LIST |
/* |
* With error word, do nothing |
*/ |
.else |
/* |
* Version without error word, |
*/ |
subl $4, %esp |
.endif |
.else |
/* |
* Version without error word, |
*/ |
subl $4, %esp |
.endif |
pushl %ds |
pushl %es |
pushl %fs |
pushl %gs |
pushl %edx |
pushl %ecx |
pushl %eax |
# we must fill the data segment registers |
movw $16, %ax |
movw %ax, %ds |
movw %ax, %es |
cld |
pushl %esp # *istate |
pushl $(\i) # intnum |
call exc_dispatch # excdispatch(intnum, *istate) |
addl $8, %esp # Clear arguments from stack |
CLEAR_NT_FLAG # Modifies %ecx |
popl %eax |
popl %ecx |
popl %edx |
popl %gs |
popl %fs |
popl %es |
popl %ds |
addl $4, %esp # Skip error word, no matter whether real or fake. |
iret |
.endif |
.align INTERRUPT_ALIGN |
.if (\n- \i) - 1 |
handler "(\i + 1)", \n |
.endif |
.endm |
# keep in sync with pm.h !!! |
IDT_ITEMS = 64 |
.align INTERRUPT_ALIGN |
interrupt_handlers: |
h_start: |
handler 0 IDT_ITEMS |
h_end: |
.data |
.global interrupt_handler_size |
interrupt_handler_size: .long (h_end - h_start) / IDT_ITEMS |
/branches/arm/kernel/arch/ia32/src/debug/panic.s |
---|
0,0 → 1,34 |
# |
# Copyright (c) 2001-2004 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
.text |
.global panic_printf |
panic_printf: |
movl $halt, (%esp) # fake stack to make printf return to halt |
jmp printf |
/branches/arm/kernel/arch/ia32/src/context.S |
---|
0,0 → 1,67 |
# |
# Copyright (c) 2001-2004 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include <arch/context_offset.h> |
.text |
.global context_save_arch |
.global context_restore_arch |
## Save current CPU context |
# |
# Save CPU context to the context_t variable |
# pointed by the 1st argument. Returns 1 in EAX. |
# |
context_save_arch: |
movl 0(%esp),%eax # save pc value into eax |
movl 4(%esp),%edx # address of the context variable to save context to |
# save registers to given structure |
CONTEXT_SAVE_ARCH_CORE %edx %eax |
xorl %eax,%eax # context_save returns 1 |
incl %eax |
ret |
## Restore saved CPU context |
# |
# Restore CPU context from context_t variable |
# pointed by the 1st argument. Returns 0 in EAX. |
# |
context_restore_arch: |
movl 4(%esp),%eax # address of the context variable to restore context from |
# restore registers from given structure |
CONTEXT_RESTORE_ARCH_CORE %eax %edx |
movl %edx,0(%esp) # put saved pc on stack |
xorl %eax,%eax # context_restore returns 0 |
ret |
/branches/arm/kernel/arch/ia32/src/bios/bios.c |
---|
0,0 → 1,47 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/bios/bios.h> |
#include <arch/types.h> |
uintptr_t ebda = 0; |
void bios_init(void) |
{ |
/* Copy the EBDA address out from BIOS Data Area */ |
ebda = *((uint16_t *) BIOS_EBDA_PTR) * 0x10; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/ia32/src/delay.s |
---|
0,0 → 1,50 |
# |
# Copyright (c) 2001-2004 Jakub Jermar |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
# |
# Micro second delay loop functions. |
# |
.text |
.global asm_delay_loop |
.global asm_fake_loop |
asm_delay_loop: |
movl 4(%esp),%ecx # move argument to %ecx |
0: lahf |
dec %ecx |
jnz 0b |
ret |
asm_fake_loop: |
movl 4(%esp),%ecx # move argument to %ecx |
0: lahf |
dec %ecx |
jz 0b |
ret |
/branches/arm/kernel/arch/ia32/src/debugger.c |
---|
0,0 → 1,0 |
link ../../amd64/src/debugger.c |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/branches/arm/kernel/arch/ia32/_link.ld.in |
---|
0,0 → 1,64 |
/** IA-32 linker script |
* |
* umapped section: |
* kernel text |
* kernel data |
* mapped section: |
* kernel text |
* kernel data |
*/ |
#include <arch/boot/boot.h> |
#include <arch/mm/page.h> |
SECTIONS { |
.unmapped BOOT_OFFSET: AT (0) { |
unmapped_ktext_start = .; |
*(K_TEXT_START); |
unmapped_ktext_end = .; |
unmapped_kdata_start = .; |
*(K_DATA_START); |
unmapped_kdata_end = .; |
} |
.mapped (PA2KA(BOOT_OFFSET)+SIZEOF(.unmapped)): AT (SIZEOF(.unmapped)) { |
ktext_start = .; |
*(.text); |
ktext_end = .; |
kdata_start = .; |
*(.data); /* initialized data */ |
*(.rodata*); /* string literals */ |
*(COMMON); /* global variables */ |
hardcoded_load_address = .; |
LONG(PA2KA(BOOT_OFFSET)); |
hardcoded_ktext_size = .; |
LONG((ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start)); |
hardcoded_kdata_size = .; |
LONG((kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start)); |
hardcoded_unmapped_ktext_size = .; |
LONG(unmapped_ktext_end - unmapped_ktext_start); |
hardcoded_unmapped_kdata_size = .; |
LONG(unmapped_kdata_end - unmapped_kdata_start); |
symbol_table = .; |
*(symtab.*); /* Symbol table, must be LAST symbol! */ |
*(.bss); /* uninitialized static variables */ |
kdata_end = .; |
} |
/DISCARD/ : { |
*(.note.GNU-stack); |
*(.comment); |
} |
#ifdef CONFIG_SMP |
_hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start); |
ap_boot = unmapped_ap_boot - BOOT_OFFSET + AP_BOOT_OFFSET; |
ap_gdtr = unmapped_ap_gdtr - BOOT_OFFSET + AP_BOOT_OFFSET; |
protected_ap_gdtr = PA2KA(ap_gdtr); |
#endif /* CONFIG_SMP */ |
} |
/branches/arm/kernel/generic/include/context.h |
---|
0,0 → 1,89 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_CONTEXT_H_ |
#define KERN_CONTEXT_H_ |
#include <arch/types.h> |
#include <arch/context.h> |
#ifndef context_set |
#define context_set(c, _pc, stack, size) \ |
(c)->pc = (uintptr_t) (_pc); \ |
(c)->sp = ((uintptr_t) (stack)) + (size) - SP_DELTA; |
#endif /* context_set */ |
extern int context_save_arch(context_t *c) __attribute__ ((returns_twice)); |
extern void context_restore_arch(context_t *c) __attribute__ ((noreturn)); |
/** Save register context. |
* |
* Save current register context (including stack pointers) |
* to context structure. |
* |
* Note that call to context_restore() will return at the same |
* address as the corresponding call to context_save(). |
* |
* This MUST be a macro, gcc -O0 does not inline functions even |
* if they are marked inline and context_save_arch must be called |
* from level <= that when context_restore is called. |
* |
* @param c Context structure. |
* |
* @return context_save() returns 1, context_restore() returns 0. |
*/ |
#define context_save(c) context_save_arch(c) |
/** Restore register context. |
* |
* Restore previously saved register context (including stack pointers) |
* from context structure. |
* |
* Note that this function does not normally return. |
* Instead, it returns at the same address as the |
* corresponding call to context_save(), the only |
* difference being return value. |
* |
* @param c Context structure. |
*/ |
static inline void context_restore(context_t *c) |
{ |
context_restore_arch(c); |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/byteorder.h |
---|
0,0 → 1,111 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_BYTEORDER_H_ |
#define KERN_BYTEORDER_H_ |
#include <arch/types.h> |
#if !(defined(__BE__) ^ defined(__LE__)) |
#error The architecture must be either big-endian or little-endian. |
#endif |
#ifdef __BE__ |
#define uint16_t_le2host(n) (uint16_t_byteorder_swap(n)) |
#define uint32_t_le2host(n) (uint32_t_byteorder_swap(n)) |
#define uint64_t_le2host(n) (uint64_t_byteorder_swap(n)) |
#define uint16_t_be2host(n) (n) |
#define uint32_t_be2host(n) (n) |
#define uint64_t_be2host(n) (n) |
#define host2uint16_t_le(n) (uint16_t_byteorder_swap(n)) |
#define host2uint32_t_le(n) (uint32_t_byteorder_swap(n)) |
#define host2uint64_t_le(n) (uint64_t_byteorder_swap(n)) |
#define host2uint16_t_be(n) (n) |
#define host2uint32_t_be(n) (n) |
#define host2uint64_t_be(n) (n) |
#else |
#define uint16_t_le2host(n) (n) |
#define uint32_t_le2host(n) (n) |
#define uint64_t_le2host(n) (n) |
#define uint16_t_be2host(n) (uint16_t_byteorder_swap(n)) |
#define uint32_t_be2host(n) (uint32_t_byteorder_swap(n)) |
#define uint64_t_be2host(n) (uint64_t_byteorder_swap(n)) |
#define host2uint16_t_le(n) (n) |
#define host2uint32_t_le(n) (n) |
#define host2uint64_t_le(n) (n) |
#define host2uint16_t_be(n) (uint16_t_byteorder_swap(n)) |
#define host2uint32_t_be(n) (uint32_t_byteorder_swap(n)) |
#define host2uint64_t_be(n) (uint64_t_byteorder_swap(n)) |
#endif |
static inline uint64_t uint64_t_byteorder_swap(uint64_t n) |
{ |
return ((n & 0xff) << 56) | |
((n & 0xff00) << 40) | |
((n & 0xff0000) << 24) | |
((n & 0xff000000LL) << 8) | |
((n & 0xff00000000LL) >> 8) | |
((n & 0xff0000000000LL) >> 24) | |
((n & 0xff000000000000LL) >> 40) | |
((n & 0xff00000000000000LL) >> 56); |
} |
static inline uint32_t uint32_t_byteorder_swap(uint32_t n) |
{ |
return ((n & 0xff) << 24) | |
((n & 0xff00) << 8) | |
((n & 0xff0000) >> 8) | |
((n & 0xff000000) >> 24); |
} |
static inline uint16_t uint16_t_byteorder_swap(uint16_t n) |
{ |
return ((n & 0xff) << 8) | |
((n & 0xff00) >> 8); |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/string.h |
---|
0,0 → 1,99 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_STRING_H_ |
#define KERN_STRING_H_ |
#include <typedefs.h> |
/**< Common Unicode characters */ |
#define U_SPECIAL '?' |
#define U_LEFT_ARROW 0x2190 |
#define U_UP_ARROW 0x2191 |
#define U_RIGHT_ARROW 0x2192 |
#define U_DOWN_ARROW 0x2193 |
#define U_PAGE_UP 0x21de |
#define U_PAGE_DOWN 0x21df |
#define U_HOME_ARROW 0x21f1 |
#define U_END_ARROW 0x21f2 |
#define U_NULL 0x2400 |
#define U_ESCAPE 0x241b |
#define U_DELETE 0x2421 |
#define U_CURSOR 0x2588 |
/**< No size limit constant */ |
#define STR_NO_LIMIT ((size_t) -1) |
/**< Maximum size of a string containing cnt characters */ |
#define STR_BOUNDS(cnt) (cnt << 2) |
extern wchar_t str_decode(const char *str, size_t *offset, size_t sz); |
extern int chr_encode(wchar_t ch, char *str, size_t *offset, size_t sz); |
extern size_t str_size(const char *str); |
extern size_t wstr_size(const wchar_t *str); |
extern size_t str_lsize(const char *str, size_t max_len); |
extern size_t wstr_lsize(const wchar_t *str, size_t max_len); |
extern size_t str_length(const char *str); |
extern size_t wstr_length(const wchar_t *wstr); |
extern size_t str_nlength(const char *str, size_t size); |
extern size_t wstr_nlength(const wchar_t *str, size_t size); |
extern bool ascii_check(wchar_t ch); |
extern bool chr_check(wchar_t ch); |
extern int str_cmp(const char *s1, const char *s2); |
extern int str_lcmp(const char *s1, const char *s2, size_t max_len); |
extern void str_cpy(char *dest, size_t size, const char *src); |
extern void str_ncpy(char *dest, size_t size, const char *src, size_t n); |
extern void wstr_nstr(char *dst, const wchar_t *src, size_t size); |
extern const char *str_chr(const char *str, wchar_t ch); |
extern bool wstr_linsert(wchar_t *str, wchar_t ch, size_t pos, size_t max_pos); |
extern bool wstr_remove(wchar_t *str, size_t pos); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/symtab.h |
---|
0,0 → 1,63 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_SYMTAB_H_ |
#define KERN_SYMTAB_H_ |
#include <arch/types.h> |
#define MAX_SYMBOL_NAME 64 |
struct symtab_entry { |
uint64_t address_le; |
char symbol_name[MAX_SYMBOL_NAME]; |
}; |
extern int symtab_name_lookup(unative_t addr, char **name); |
extern char *symtab_fmt_name_lookup(unative_t addr); |
extern int symtab_addr_lookup(const char *name, uintptr_t *addr); |
extern void symtab_print_search(const char *name); |
extern int symtab_compl(char *input, size_t size); |
#ifdef CONFIG_SYMTAB |
/* Symtable linked together by build process */ |
extern struct symtab_entry symbol_table[]; |
#endif |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/config.h |
---|
0,0 → 1,85 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_CONFIG_H_ |
#define KERN_CONFIG_H_ |
#include <arch/types.h> |
#include <arch/mm/page.h> |
#define STACK_SIZE PAGE_SIZE |
#define CONFIG_INIT_TASKS 32 |
#define CONFIG_TASK_NAME_BUFLEN 32 |
typedef struct { |
uintptr_t addr; |
size_t size; |
char name[CONFIG_TASK_NAME_BUFLEN]; |
} init_task_t; |
typedef struct { |
size_t cnt; |
init_task_t tasks[CONFIG_INIT_TASKS]; |
} init_t; |
/** Boot allocations. |
* |
* Allocatations made by the boot that are meant to be used by the kernel |
* are all recorded in the ballocs_t type. |
*/ |
typedef struct { |
uintptr_t base; |
size_t size; |
} ballocs_t; |
typedef struct { |
size_t cpu_count; /**< Number of processors detected. */ |
volatile size_t cpu_active; /**< Number of processors that are up and running. */ |
uintptr_t base; |
size_t kernel_size; /**< Size of memory in bytes taken by kernel and stack */ |
uintptr_t stack_base; /**< Base adddress of initial stack */ |
size_t stack_size; /**< Size of initial stack */ |
} config_t; |
extern config_t config; |
extern init_t init; |
extern ballocs_t ballocs; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/proc/scheduler.h |
---|
0,0 → 1,72 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericproc |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_SCHEDULER_H_ |
#define KERN_SCHEDULER_H_ |
#include <synch/spinlock.h> |
#include <time/clock.h> /* HZ */ |
#include <atomic.h> |
#include <adt/list.h> |
#define RQ_COUNT 16 |
#define NEEDS_RELINK_MAX (HZ) |
/** Scheduler run queue structure. */ |
typedef struct { |
SPINLOCK_DECLARE(lock); |
link_t rq_head; /**< List of ready threads. */ |
size_t n; /**< Number of threads in rq_ready. */ |
} runq_t; |
extern atomic_t nrdy; |
extern void scheduler_init(void); |
extern void scheduler_fpu_lazy_request(void); |
extern void scheduler(void); |
extern void kcpulb(void *arg); |
extern void sched_print_list(void); |
/* |
* To be defined by architectures: |
*/ |
extern void before_task_runs_arch(void); |
extern void before_thread_runs_arch(void); |
extern void after_thread_ran_arch(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/proc/task.h |
---|
0,0 → 1,152 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericproc |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_TASK_H_ |
#define KERN_TASK_H_ |
#include <cpu.h> |
#include <ipc/ipc.h> |
#include <synch/spinlock.h> |
#include <synch/mutex.h> |
#include <synch/rwlock.h> |
#include <synch/futex.h> |
#include <adt/avl.h> |
#include <adt/btree.h> |
#include <adt/list.h> |
#include <security/cap.h> |
#include <arch/proc/task.h> |
#include <arch/proc/thread.h> |
#include <arch/context.h> |
#include <arch/fpu_context.h> |
#include <arch/cpu.h> |
#include <mm/tlb.h> |
#include <proc/scheduler.h> |
#include <udebug/udebug.h> |
#include <ipc/kbox.h> |
#define TASK_NAME_BUFLEN 20 |
struct thread; |
/** Task structure. */ |
typedef struct task { |
/** Task's linkage for the tasks_tree AVL tree. */ |
avltree_node_t tasks_tree_node; |
/** Task lock. |
* |
* Must be acquired before threads_lock and thread lock of any of its |
* threads. |
*/ |
SPINLOCK_DECLARE(lock); |
char name[TASK_NAME_BUFLEN]; |
/** List of threads contained in this task. */ |
link_t th_head; |
/** Address space. */ |
as_t *as; |
/** Unique identity of task. */ |
task_id_t taskid; |
/** Task security context. */ |
context_id_t context; |
/** Number of references (i.e. threads). */ |
atomic_t refcount; |
/** Number of threads that haven't exited yet. */ |
atomic_t lifecount; |
/** Task capabilities. */ |
cap_t capabilities; |
/* IPC stuff */ |
answerbox_t answerbox; /**< Communication endpoint */ |
phone_t phones[IPC_MAX_PHONES]; |
/** |
* Active asynchronous messages. It is used for limiting uspace to |
* certain extent. |
*/ |
atomic_t active_calls; |
#ifdef CONFIG_UDEBUG |
/** Debugging stuff. */ |
udebug_task_t udebug; |
/** Kernel answerbox. */ |
kbox_t kb; |
#endif |
/** Architecture specific task data. */ |
task_arch_t arch; |
/** |
* Serializes access to the B+tree of task's futexes. This mutex is |
* independent on the task spinlock. |
*/ |
mutex_t futexes_lock; |
/** B+tree of futexes referenced by this task. */ |
btree_t futexes; |
/** Accumulated accounting. */ |
uint64_t cycles; |
} task_t; |
SPINLOCK_EXTERN(tasks_lock); |
extern avltree_t tasks_tree; |
extern void task_init(void); |
extern void task_done(void); |
extern task_t *task_create(as_t *as, char *name); |
extern void task_destroy(task_t *t); |
extern task_t *task_find_by_id(task_id_t id); |
extern int task_kill(task_id_t id); |
extern uint64_t task_get_accounting(task_t *t); |
extern void cap_set(task_t *t, cap_t caps); |
extern cap_t cap_get(task_t *t); |
#ifndef task_create_arch |
extern void task_create_arch(task_t *t); |
#endif |
#ifndef task_destroy_arch |
extern void task_destroy_arch(task_t *t); |
#endif |
extern unative_t sys_task_get_id(task_id_t *uspace_task_id); |
extern unative_t sys_task_set_name(const char *uspace_name, size_t name_len); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/proc/program.h |
---|
0,0 → 1,67 |
/* |
* Copyright (c) 2008 Jiri Svoboda |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericproc |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_PROGRAM_H_ |
#define KERN_PROGRAM_H_ |
#include <arch/types.h> |
struct task; |
struct thread; |
/** Program info structure. |
* |
* A program is an abstraction of a freshly created (not yet running) |
* userspace task containing a main thread along with its userspace stack. |
*/ |
typedef struct program { |
struct task *task; /**< Program task */ |
struct thread *main_thread; /**< Program main thread */ |
} program_t; |
extern void *program_loader; |
extern void program_create(as_t *as, uintptr_t entry_addr, char *name, |
program_t *p); |
extern int program_create_from_image(void *image_addr, char *name, |
program_t *p); |
extern int program_create_loader(program_t *p, char *name); |
extern void program_ready(program_t *p); |
extern unative_t sys_program_spawn_loader(char *uspace_name, size_t name_len); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/proc/thread.h |
---|
0,0 → 1,270 |
/* |
* Copyright (c) 2001-2007 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericproc |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_THREAD_H_ |
#define KERN_THREAD_H_ |
#include <synch/waitq.h> |
#include <proc/task.h> |
#include <time/timeout.h> |
#include <cpu.h> |
#include <synch/rwlock.h> |
#include <synch/spinlock.h> |
#include <adt/avl.h> |
#include <mm/slab.h> |
#include <arch/cpu.h> |
#include <mm/tlb.h> |
#include <proc/uarg.h> |
#include <udebug/udebug.h> |
#define THREAD_STACK_SIZE STACK_SIZE |
#define THREAD_NAME_BUFLEN 20 |
extern char *thread_states[]; |
/* Thread flags */ |
/** Thread cannot be migrated to another CPU. |
* |
* When using this flag, the caller must set cpu in the thread_t |
* structure manually before calling thread_ready (even on uniprocessor). |
*/ |
#define THREAD_FLAG_WIRED (1 << 0) |
/** Thread was migrated to another CPU and has not run yet. */ |
#define THREAD_FLAG_STOLEN (1 << 1) |
/** Thread executes in userspace. */ |
#define THREAD_FLAG_USPACE (1 << 2) |
/** Thread will be attached by the caller. */ |
#define THREAD_FLAG_NOATTACH (1 << 3) |
/** Thread states. */ |
typedef enum { |
/** It is an error, if thread is found in this state. */ |
Invalid, |
/** State of a thread that is currently executing on some CPU. */ |
Running, |
/** Thread in this state is waiting for an event. */ |
Sleeping, |
/** State of threads in a run queue. */ |
Ready, |
/** Threads are in this state before they are first readied. */ |
Entering, |
/** After a thread calls thread_exit(), it is put into Exiting state. */ |
Exiting, |
/** Threads that were not detached but exited are Lingering. */ |
Lingering |
} state_t; |
/** Thread structure. There is one per thread. */ |
typedef struct thread { |
link_t rq_link; /**< Run queue link. */ |
link_t wq_link; /**< Wait queue link. */ |
link_t th_link; /**< Links to threads within containing task. */ |
/** Threads linkage to the threads_tree. */ |
avltree_node_t threads_tree_node; |
/** Lock protecting thread structure. |
* |
* Protects the whole thread structure except list links above. |
*/ |
SPINLOCK_DECLARE(lock); |
char name[THREAD_NAME_BUFLEN]; |
/** Function implementing the thread. */ |
void (* thread_code)(void *); |
/** Argument passed to thread_code() function. */ |
void *thread_arg; |
/** |
* From here, the stored context is restored when the thread is |
* scheduled. |
*/ |
context_t saved_context; |
/** |
* From here, the stored timeout context is restored when sleep times |
* out. |
*/ |
context_t sleep_timeout_context; |
/** |
* From here, the stored interruption context is restored when sleep is |
* interrupted. |
*/ |
context_t sleep_interruption_context; |
/** If true, the thread can be interrupted from sleep. */ |
bool sleep_interruptible; |
/** Wait queue in which this thread sleeps. */ |
waitq_t *sleep_queue; |
/** Timeout used for timeoutable sleeping. */ |
timeout_t sleep_timeout; |
/** Flag signalling sleep timeout in progress. */ |
volatile int timeout_pending; |
/** |
* True if this thread is executing copy_from_uspace(). |
* False otherwise. |
*/ |
bool in_copy_from_uspace; |
/** |
* True if this thread is executing copy_to_uspace(). |
* False otherwise. |
*/ |
bool in_copy_to_uspace; |
/** |
* If true, the thread will not go to sleep at all and will call |
* thread_exit() before returning to userspace. |
*/ |
bool interrupted; |
/** If true, thread_join_timeout() cannot be used on this thread. */ |
bool detached; |
/** Waitq for thread_join_timeout(). */ |
waitq_t join_wq; |
/** Link used in the joiner_head list. */ |
link_t joiner_link; |
fpu_context_t *saved_fpu_context; |
int fpu_context_exists; |
/* |
* Defined only if thread doesn't run. |
* It means that fpu context is in CPU that last time executes this |
* thread. This disables migration. |
*/ |
int fpu_context_engaged; |
rwlock_type_t rwlock_holder_type; |
/** Callback fired in scheduler before the thread is put asleep. */ |
void (* call_me)(void *); |
/** Argument passed to call_me(). */ |
void *call_me_with; |
/** Thread's state. */ |
state_t state; |
/** Thread's flags. */ |
int flags; |
/** Thread's CPU. */ |
cpu_t *cpu; |
/** Containing task. */ |
task_t *task; |
/** Ticks before preemption. */ |
uint64_t ticks; |
/** Thread accounting. */ |
uint64_t cycles; |
/** Last sampled cycle. */ |
uint64_t last_cycle; |
/** Thread doesn't affect accumulated accounting. */ |
bool uncounted; |
/** Thread's priority. Implemented as index to CPU->rq */ |
int priority; |
/** Thread ID. */ |
thread_id_t tid; |
/** Architecture-specific data. */ |
thread_arch_t arch; |
/** Thread's kernel stack. */ |
uint8_t *kstack; |
#ifdef CONFIG_UDEBUG |
/** Debugging stuff */ |
udebug_thread_t udebug; |
#endif |
} thread_t; |
/** Thread list lock. |
* |
* This lock protects the threads_tree. |
* Must be acquired before T.lock for each T of type thread_t. |
* |
*/ |
SPINLOCK_EXTERN(threads_lock); |
/** AVL tree containing all threads. */ |
extern avltree_t threads_tree; |
extern void thread_init(void); |
extern thread_t *thread_create(void (* func)(void *), void *arg, task_t *task, |
int flags, char *name, bool uncounted); |
extern void thread_attach(thread_t *t, task_t *task); |
extern void thread_ready(thread_t *t); |
extern void thread_exit(void) __attribute__((noreturn)); |
#ifndef thread_create_arch |
extern void thread_create_arch(thread_t *t); |
#endif |
#ifndef thr_constructor_arch |
extern void thr_constructor_arch(thread_t *t); |
#endif |
#ifndef thr_destructor_arch |
extern void thr_destructor_arch(thread_t *t); |
#endif |
extern void thread_sleep(uint32_t sec); |
extern void thread_usleep(uint32_t usec); |
#define thread_join(t) \ |
thread_join_timeout((t), SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NONE) |
extern int thread_join_timeout(thread_t *t, uint32_t usec, int flags); |
extern void thread_detach(thread_t *t); |
extern void thread_register_call_me(void (* call_me)(void *), |
void *call_me_with); |
extern void thread_print_list(void); |
extern void thread_destroy(thread_t *t); |
extern void thread_update_accounting(void); |
extern bool thread_exists(thread_t *t); |
/** Fpu context slab cache. */ |
extern slab_cache_t *fpu_context_slab; |
/* Thread syscall prototypes. */ |
extern unative_t sys_thread_create(uspace_arg_t *uspace_uarg, |
char *uspace_name, size_t name_len, thread_id_t *uspace_thread_id); |
extern unative_t sys_thread_exit(int uspace_status); |
extern unative_t sys_thread_get_id(thread_id_t *uspace_thread_id); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/proc/tasklet.h |
---|
0,0 → 1,73 |
/* |
* Copyright (c) 2007 Jan Hudecek |
* Copyright (c) 2008 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericproc |
* @{ |
*/ |
/** @file tasklet.h |
* @brief Tasklets declarations |
*/ |
#ifndef KERN_TASKLET_H_ |
#define KERN_TASKLET_H_ |
#include <adt/list.h> |
/** Tasklet callback type */ |
typedef void (* tasklet_callback_t)(void *arg); |
/** Tasklet state */ |
typedef enum { |
NotActive, |
Scheduled, |
InProgress, |
Disabled |
} tasklet_state_t; |
/** Structure describing a tasklet */ |
typedef struct tasklet_descriptor { |
link_t link; |
/** Callback to call */ |
tasklet_callback_t callback; |
/** Argument passed to the callback */ |
void *arg; |
/** State of the tasklet */ |
tasklet_state_t state; |
} tasklet_descriptor_t; |
extern void tasklet_init(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/proc/uarg.h |
---|
0,0 → 1,52 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericproc |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_UARG_H_ |
#define KERN_UARG_H_ |
/** Structure passed to uinit kernel thread as argument. */ |
typedef struct uspace_arg { |
void *uspace_entry; |
void *uspace_stack; |
void (* uspace_thread_function)(); |
void *uspace_thread_arg; |
struct uspace_arg *uspace_uarg; |
} uspace_arg_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/cpu.h |
---|
0,0 → 1,103 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_CPU_H_ |
#define KERN_CPU_H_ |
#include <mm/tlb.h> |
#include <synch/spinlock.h> |
#include <proc/scheduler.h> |
#include <arch/cpu.h> |
#include <arch/context.h> |
#define CPU_STACK_SIZE STACK_SIZE |
/** CPU structure. |
* |
* There is one structure like this for every processor. |
*/ |
typedef struct { |
SPINLOCK_DECLARE(lock); |
tlb_shootdown_msg_t tlb_messages[TLB_MESSAGE_QUEUE_LEN]; |
size_t tlb_messages_count; |
context_t saved_context; |
atomic_t nrdy; |
runq_t rq[RQ_COUNT]; |
volatile size_t needs_relink; |
SPINLOCK_DECLARE(timeoutlock); |
link_t timeout_active_head; |
size_t missed_clock_ticks; /**< When system clock loses a tick, it is recorded here |
so that clock() can react. This variable is |
CPU-local and can be only accessed when interrupts |
are disabled. */ |
/** |
* Processor ID assigned by kernel. |
*/ |
unsigned int id; |
int active; |
int tlb_active; |
uint16_t frequency_mhz; |
uint32_t delay_loop_const; |
cpu_arch_t arch; |
struct thread *fpu_owner; |
/** |
* Stack used by scheduler when there is no running thread. |
*/ |
uint8_t *stack; |
} cpu_t; |
extern cpu_t *cpus; |
extern void cpu_init(void); |
extern void cpu_list(void); |
extern void cpu_arch_init(void); |
extern void cpu_identify(void); |
extern void cpu_print_report(cpu_t *m); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/synch/futex.h |
---|
0,0 → 1,65 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sync |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_FUTEX_H_ |
#define KERN_FUTEX_H_ |
#include <arch/types.h> |
#include <synch/waitq.h> |
#include <genarch/mm/page_ht.h> |
#include <genarch/mm/page_pt.h> |
/** Kernel-side futex structure. */ |
typedef struct { |
/** Physical address of the status variable. */ |
uintptr_t paddr; |
/** Wait queue for threads waiting for futex availability. */ |
waitq_t wq; |
/** Futex hash table link. */ |
link_t ht_link; |
/** Number of tasks that reference this futex. */ |
size_t refcount; |
} futex_t; |
extern void futex_init(void); |
extern unative_t sys_futex_sleep_timeout(uintptr_t uaddr, uint32_t usec, |
int flags); |
extern unative_t sys_futex_wakeup(uintptr_t uaddr); |
extern void futex_cleanup(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/synch/rwlock.h |
---|
0,0 → 1,83 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sync |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_RWLOCK_H_ |
#define KERN_RWLOCK_H_ |
#include <arch/types.h> |
#include <synch/mutex.h> |
#include <synch/synch.h> |
#include <synch/spinlock.h> |
typedef enum { |
RWLOCK_NONE, |
RWLOCK_READER, |
RWLOCK_WRITER |
} rwlock_type_t; |
typedef struct { |
SPINLOCK_DECLARE(lock); |
/** |
* Mutex for writers, readers can bypass it if readers_in is positive. |
*/ |
mutex_t exclusive; |
/** Number of readers in critical section. */ |
size_t readers_in; |
} rwlock_t; |
#define rwlock_write_lock(rwl) \ |
_rwlock_write_lock_timeout((rwl), SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NONE) |
#define rwlock_read_lock(rwl) \ |
_rwlock_read_lock_timeout((rwl), SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NONE) |
#define rwlock_write_trylock(rwl) \ |
_rwlock_write_lock_timeout((rwl), SYNCH_NO_TIMEOUT, \ |
SYNCH_FLAGS_NON_BLOCKING) |
#define rwlock_read_trylock(rwl) \ |
_rwlock_read_lock_timeout((rwl), SYNCH_NO_TIMEOUT, \ |
SYNCH_FLAGS_NON_BLOCKING) |
#define rwlock_write_lock_timeout(rwl, usec) \ |
_rwlock_write_lock_timeout((rwl), (usec), SYNCH_FLAGS_NONE) |
#define rwlock_read_lock_timeout(rwl, usec) \ |
_rwlock_read_lock_timeout((rwl), (usec), SYNCH_FLAGS_NONE) |
extern void rwlock_initialize(rwlock_t *rwl); |
extern void rwlock_read_unlock(rwlock_t *rwl); |
extern void rwlock_write_unlock(rwlock_t *rwl); |
extern int _rwlock_read_lock_timeout(rwlock_t *rwl, uint32_t usec, int flags); |
extern int _rwlock_write_lock_timeout(rwlock_t *rwl, uint32_t usec, int flags); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/synch/spinlock.h |
---|
0,0 → 1,143 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sync |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_SPINLOCK_H_ |
#define KERN_SPINLOCK_H_ |
#include <arch/types.h> |
#include <arch/barrier.h> |
#include <preemption.h> |
#include <atomic.h> |
#include <debug.h> |
#ifdef CONFIG_SMP |
typedef struct { |
#ifdef CONFIG_DEBUG_SPINLOCK |
char *name; |
#endif |
atomic_t val; |
} spinlock_t; |
/* |
* SPINLOCK_DECLARE is to be used for dynamically allocated spinlocks, |
* where the lock gets initialized in run time. |
*/ |
#define SPINLOCK_DECLARE(slname) spinlock_t slname |
#define SPINLOCK_EXTERN(slname) extern spinlock_t slname |
/* |
* SPINLOCK_INITIALIZE is to be used for statically allocated spinlocks. |
* It declares and initializes the lock. |
*/ |
#ifdef CONFIG_DEBUG_SPINLOCK |
#define SPINLOCK_INITIALIZE(slname) \ |
spinlock_t slname = { \ |
.name = #slname, \ |
.val = { 0 } \ |
} |
#else |
#define SPINLOCK_INITIALIZE(slname) \ |
spinlock_t slname = { \ |
.val = { 0 } \ |
} |
#endif |
extern void spinlock_initialize(spinlock_t *sl, char *name); |
extern int spinlock_trylock(spinlock_t *sl); |
extern void spinlock_lock_debug(spinlock_t *sl); |
#ifdef CONFIG_DEBUG_SPINLOCK |
# define spinlock_lock(x) spinlock_lock_debug(x) |
#else |
# define spinlock_lock(x) atomic_lock_arch(&(x)->val) |
#endif |
/** Unlock spinlock |
* |
* Unlock spinlock. |
* |
* @param sl Pointer to spinlock_t structure. |
*/ |
static inline void spinlock_unlock(spinlock_t *sl) |
{ |
ASSERT(atomic_get(&sl->val) != 0); |
/* |
* Prevent critical section code from bleeding out this way down. |
*/ |
CS_LEAVE_BARRIER(); |
atomic_set(&sl->val, 0); |
preemption_enable(); |
} |
#ifdef CONFIG_DEBUG_SPINLOCK |
extern int printf(const char *, ...); |
#define DEADLOCK_THRESHOLD 100000000 |
#define DEADLOCK_PROBE_INIT(pname) size_t pname = 0 |
#define DEADLOCK_PROBE(pname, value) \ |
if ((pname)++ > (value)) { \ |
(pname) = 0; \ |
printf("Deadlock probe %s: exceeded threshold %u\n", \ |
"cpu%u: function=%s, line=%u\n", \ |
#pname, (value), CPU->id, __func__, __LINE__); \ |
} |
#else |
#define DEADLOCK_PROBE_INIT(pname) |
#define DEADLOCK_PROBE(pname, value) |
#endif |
#else |
/* On UP systems, spinlocks are effectively left out. */ |
#define SPINLOCK_DECLARE(name) |
#define SPINLOCK_EXTERN(name) |
#define SPINLOCK_INITIALIZE(name) |
#define spinlock_initialize(x, name) |
#define spinlock_lock(x) preemption_disable() |
#define spinlock_trylock(x) (preemption_disable(), 1) |
#define spinlock_unlock(x) preemption_enable() |
#define DEADLOCK_PROBE_INIT(pname) |
#define DEADLOCK_PROBE(pname, value) |
#endif |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/synch/smc.h |
---|
0,0 → 1,43 |
/* |
* Copyright (c) 2008 Jiri Svoboda |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sync |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_SMC_H_ |
#define KERN_SMC_H_ |
extern unative_t sys_smc_coherence(uintptr_t va, size_t size); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/synch/mutex.h |
---|
0,0 → 1,66 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sync |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_MUTEX_H_ |
#define KERN_MUTEX_H_ |
#include <arch/types.h> |
#include <synch/semaphore.h> |
#include <synch/synch.h> |
typedef enum { |
MUTEX_PASSIVE, |
MUTEX_ACTIVE |
} mutex_type_t; |
typedef struct { |
mutex_type_t type; |
semaphore_t sem; |
} mutex_t; |
#define mutex_lock(mtx) \ |
_mutex_lock_timeout((mtx), SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NONE) |
#define mutex_trylock(mtx) \ |
_mutex_lock_timeout((mtx), SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NON_BLOCKING) |
#define mutex_lock_timeout(mtx, usec) \ |
_mutex_lock_timeout((mtx), (usec), SYNCH_FLAGS_NON_BLOCKING) |
extern void mutex_initialize(mutex_t *, mutex_type_t); |
extern int _mutex_lock_timeout(mutex_t *, uint32_t, int); |
extern void mutex_unlock(mutex_t *); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/synch/waitq.h |
---|
0,0 → 1,82 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sync |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_WAITQ_H_ |
#define KERN_WAITQ_H_ |
#include <arch/types.h> |
#include <synch/spinlock.h> |
#include <synch/synch.h> |
#include <adt/list.h> |
typedef enum { |
WAKEUP_FIRST = 0, |
WAKEUP_ALL |
} wakeup_mode_t; |
/** Wait queue structure. */ |
typedef struct { |
/** Lock protecting wait queue structure. |
* |
* Must be acquired before T.lock for each T of type thread_t. |
*/ |
SPINLOCK_DECLARE(lock); |
/** |
* Number of waitq_wakeup() calls that didn't find a thread to wake up. |
*/ |
int missed_wakeups; |
/** List of sleeping threads for wich there was no missed_wakeup. */ |
link_t head; |
} waitq_t; |
#define waitq_sleep(wq) \ |
waitq_sleep_timeout((wq), SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NONE) |
struct thread; |
extern void waitq_initialize(waitq_t *wq); |
extern int waitq_sleep_timeout(waitq_t *wq, uint32_t usec, int flags); |
extern ipl_t waitq_sleep_prepare(waitq_t *wq); |
extern int waitq_sleep_timeout_unsafe(waitq_t *wq, uint32_t usec, int flags); |
extern void waitq_sleep_finish(waitq_t *wq, int rc, ipl_t ipl); |
extern void waitq_wakeup(waitq_t *wq, wakeup_mode_t mode); |
extern void _waitq_wakeup_unsafe(waitq_t *wq, wakeup_mode_t mode); |
extern void waitq_interrupt_sleep(struct thread *t); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/synch/condvar.h |
---|
0,0 → 1,61 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sync |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_CONDVAR_H_ |
#define KERN_CONDVAR_H_ |
#include <arch/types.h> |
#include <synch/waitq.h> |
#include <synch/mutex.h> |
#include <synch/synch.h> |
typedef struct { |
waitq_t wq; |
} condvar_t; |
#define condvar_wait(cv, mtx) \ |
_condvar_wait_timeout((cv), (mtx), SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NONE) |
#define condvar_wait_timeout(cv, mtx, usec) \ |
_condvar_wait_timeout((cv), (mtx), (usec), SYNCH_FLAGS_NONE) |
extern void condvar_initialize(condvar_t *cv); |
extern void condvar_signal(condvar_t *cv); |
extern void condvar_broadcast(condvar_t *cv); |
extern int _condvar_wait_timeout(condvar_t *cv, mutex_t *mtx, uint32_t usec, |
int flags); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/synch/semaphore.h |
---|
0,0 → 1,60 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sync |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_SEMAPHORE_H_ |
#define KERN_SEMAPHORE_H_ |
#include <arch/types.h> |
#include <synch/waitq.h> |
#include <synch/synch.h> |
typedef struct { |
waitq_t wq; |
} semaphore_t; |
#define semaphore_down(s) \ |
_semaphore_down_timeout((s), SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NONE) |
#define semaphore_trydown(s) \ |
_semaphore_down_timeout((s), SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NON_BLOCKING) |
#define semaphore_down_timeout(s, usec) \ |
_semaphore_down_timeout((s), (usec), SYNCH_FLAGS_NONE) |
extern void semaphore_initialize(semaphore_t *s, int val); |
extern int _semaphore_down_timeout(semaphore_t *s, uint32_t usec, int flags); |
extern void semaphore_up(semaphore_t *s); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/synch/synch.h |
---|
0,0 → 1,67 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sync |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_SYNCH_H_ |
#define KERN_SYNCH_H_ |
/** Request with no timeout. */ |
#define SYNCH_NO_TIMEOUT 0 |
/** No flags specified. */ |
#define SYNCH_FLAGS_NONE 0 |
/** Non-blocking operation request. */ |
#define SYNCH_FLAGS_NON_BLOCKING (1 << 0) |
/** Interruptible operation. */ |
#define SYNCH_FLAGS_INTERRUPTIBLE (1 << 1) |
/** Could not satisfy the request without going to sleep. */ |
#define ESYNCH_WOULD_BLOCK 1 |
/** Timeout occurred. */ |
#define ESYNCH_TIMEOUT 2 |
/** Sleep was interrupted. */ |
#define ESYNCH_INTERRUPTED 4 |
/** Operation succeeded without sleeping. */ |
#define ESYNCH_OK_ATOMIC 8 |
/** Operation succeeded and did sleep. */ |
#define ESYNCH_OK_BLOCKED 16 |
#define SYNCH_FAILED(rc) \ |
((rc) & (ESYNCH_WOULD_BLOCK | ESYNCH_TIMEOUT | ESYNCH_INTERRUPTED)) |
#define SYNCH_OK(rc) \ |
((rc) & (ESYNCH_OK_ATOMIC | ESYNCH_OK_BLOCKED)) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/ddi/irq.h |
---|
0,0 → 1,175 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericddi |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_IRQ_H_ |
#define KERN_IRQ_H_ |
typedef enum { |
CMD_PIO_READ_8 = 1, |
CMD_PIO_READ_16, |
CMD_PIO_READ_32, |
CMD_PIO_WRITE_8, |
CMD_PIO_WRITE_16, |
CMD_PIO_WRITE_32, |
CMD_BTEST, |
CMD_PREDICATE, |
CMD_ACCEPT, |
CMD_DECLINE, |
CMD_LAST |
} irq_cmd_type; |
typedef struct { |
irq_cmd_type cmd; |
void *addr; |
unsigned long long value; |
unsigned int srcarg; |
unsigned int dstarg; |
} irq_cmd_t; |
typedef struct { |
unsigned int cmdcount; |
irq_cmd_t *cmds; |
} irq_code_t; |
#ifdef KERNEL |
#include <arch/types.h> |
#include <adt/list.h> |
#include <adt/hash_table.h> |
#include <synch/spinlock.h> |
#include <proc/task.h> |
#include <ipc/ipc.h> |
typedef enum { |
IRQ_DECLINE, /**< Decline to service. */ |
IRQ_ACCEPT /**< Accept to service. */ |
} irq_ownership_t; |
typedef enum { |
IRQ_TRIGGER_LEVEL = 1, |
IRQ_TRIGGER_EDGE |
} irq_trigger_t; |
struct irq; |
typedef void (* irq_handler_t)(struct irq *); |
/** Type for function used to clear the interrupt. */ |
typedef void (* cir_t)(void *, inr_t); |
/** IPC notification config structure. |
* |
* Primarily, this structure is encapsulated in the irq_t structure. |
* It is protected by irq_t::lock. |
*/ |
typedef struct { |
/** When false, notifications are not sent. */ |
bool notify; |
/** Answerbox for notifications. */ |
answerbox_t *answerbox; |
/** Method to be used for the notification. */ |
unative_t method; |
/** Arguments that will be sent if the IRQ is claimed. */ |
unative_t scratch[IPC_CALL_LEN]; |
/** Top-half pseudocode. */ |
irq_code_t *code; |
/** Counter. */ |
size_t counter; |
/** |
* Link between IRQs that are notifying the same answerbox. The list is |
* protected by the answerbox irq_lock. |
*/ |
link_t link; |
} ipc_notif_cfg_t; |
/** Structure representing one device IRQ. |
* |
* If one device has multiple interrupts, there will be multiple irq_t |
* instantions with the same devno. |
*/ |
typedef struct irq { |
/** Hash table link. */ |
link_t link; |
/** Lock protecting everything in this structure |
* except the link member. When both the IRQ |
* hash table lock and this lock are to be acquired, |
* this lock must not be taken first. |
*/ |
SPINLOCK_DECLARE(lock); |
/** Send EOI before processing the interrupt. |
* This is essential for timer interrupt which |
* has to be acknowledged before doing preemption |
* to make sure another timer interrupt will |
* be eventually generated. |
*/ |
bool preack; |
/** Unique device number. -1 if not yet assigned. */ |
devno_t devno; |
/** Actual IRQ number. -1 if not yet assigned. */ |
inr_t inr; |
/** Trigger level of the IRQ. */ |
irq_trigger_t trigger; |
/** Claim ownership of the IRQ. */ |
irq_ownership_t (* claim)(struct irq *); |
/** Handler for this IRQ and device. */ |
irq_handler_t handler; |
/** Instance argument for the handler and the claim function. */ |
void *instance; |
/** Clear interrupt routine. */ |
cir_t cir; |
/** First argument to the clear interrupt routine. */ |
void *cir_arg; |
/** Notification configuration structure. */ |
ipc_notif_cfg_t notif_cfg; |
} irq_t; |
SPINLOCK_EXTERN(irq_uspace_hash_table_lock); |
extern hash_table_t irq_uspace_hash_table; |
extern void irq_init(size_t, size_t); |
extern void irq_initialize(irq_t *); |
extern void irq_register(irq_t *); |
extern irq_t *irq_dispatch_and_lock(inr_t); |
#endif |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/ddi/device.h |
---|
0,0 → 1,47 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericddi |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_DEVICE_H_ |
#define KERN_DEVICE_H_ |
#include <arch/types.h> |
#include <typedefs.h> |
extern devno_t device_assign_devno(void); |
extern unative_t sys_device_assign_devno(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/ddi/ddi.h |
---|
0,0 → 1,67 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericddi |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_DDI_H_ |
#define KERN_DDI_H_ |
#include <ddi/ddi_arg.h> |
#include <arch/types.h> |
#include <proc/task.h> |
#include <adt/list.h> |
/** Structure representing contiguous physical memory area. */ |
typedef struct { |
uintptr_t pbase; /**< Physical base of the area. */ |
pfn_t frames; /**< Number of frames in the area. */ |
link_t link; /**< Linked list link */ |
} parea_t; |
extern void ddi_init(void); |
extern void ddi_parea_register(parea_t *parea); |
extern unative_t sys_physmem_map(unative_t phys_base, unative_t virt_base, |
unative_t pages, unative_t flags); |
extern unative_t sys_iospace_enable(ddi_ioarg_t *uspace_io_arg); |
extern unative_t sys_preempt_control(int enable); |
/* |
* Interface to be implemented by all architectures. |
*/ |
extern int ddi_iospace_enable_arch(task_t *task, uintptr_t ioaddr, size_t size); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/ddi/ddi_arg.h |
---|
0,0 → 1,62 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericddi |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_DDI_ARG_H_ |
#define KERN_DDI_ARG_H_ |
/** Structure encapsulating arguments for SYS_PHYSMEM_MAP syscall. */ |
typedef struct { |
/** ID of the destination task. */ |
unsigned long long task_id; |
/** Physical address of starting frame. */ |
void *phys_base; |
/** Virtual address of starting page. */ |
void *virt_base; |
/** Number of pages to map. */ |
unsigned long pages; |
/** Address space area flags for the mapping. */ |
int flags; |
} ddi_memarg_t; |
/** Structure encapsulating arguments for SYS_ENABLE_IOSPACE syscall. */ |
typedef struct { |
unsigned long long task_id; /**< ID of the destination task. */ |
void *ioaddr; /**< Starting I/O space address. */ |
unsigned long size; /**< Number of bytes. */ |
} ddi_ioarg_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/console/chardev.h |
---|
0,0 → 1,102 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericconsole |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_CHARDEV_H_ |
#define KERN_CHARDEV_H_ |
#include <arch/types.h> |
#include <synch/waitq.h> |
#include <synch/spinlock.h> |
#define INDEV_BUFLEN 512 |
struct indev; |
/* Input character device operations interface. */ |
typedef struct { |
/** Read character directly from device, assume interrupts disabled. */ |
wchar_t (* poll)(struct indev *); |
} indev_operations_t; |
/** Character input device. */ |
typedef struct indev { |
char *name; |
waitq_t wq; |
/** Protects everything below. */ |
SPINLOCK_DECLARE(lock); |
wchar_t buffer[INDEV_BUFLEN]; |
size_t counter; |
/** Implementation of indev operations. */ |
indev_operations_t *op; |
size_t index; |
void *data; |
} indev_t; |
struct outdev; |
/* Output character device operations interface. */ |
typedef struct { |
/** Write character to output. */ |
void (* write)(struct outdev *, wchar_t, bool); |
} outdev_operations_t; |
/** Character input device. */ |
typedef struct outdev { |
char *name; |
/** Protects everything below. */ |
SPINLOCK_DECLARE(lock); |
/** Implementation of outdev operations. */ |
outdev_operations_t *op; |
void *data; |
} outdev_t; |
extern void indev_initialize(char *name, indev_t *indev, |
indev_operations_t *op); |
extern void indev_push_character(indev_t *indev, wchar_t ch); |
extern wchar_t indev_pop_character(indev_t *indev); |
extern void outdev_initialize(char *name, outdev_t *outdev, |
outdev_operations_t *op); |
extern bool check_poll(indev_t *indev); |
#endif /* KERN_CHARDEV_H_ */ |
/** @} |
*/ |
/branches/arm/kernel/generic/include/console/kconsole.h |
---|
0,0 → 1,104 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericconsole |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_KCONSOLE_H_ |
#define KERN_KCONSOLE_H_ |
#include <adt/list.h> |
#include <synch/spinlock.h> |
#include <ipc/irq.h> |
#define MAX_CMDLINE 256 |
#define KCONSOLE_HISTORY 10 |
typedef enum { |
ARG_TYPE_INVALID = 0, |
ARG_TYPE_INT, |
ARG_TYPE_STRING, |
/** Variable type - either symbol or string. */ |
ARG_TYPE_VAR |
} cmd_arg_type_t; |
/** Structure representing one argument of kconsole command line. */ |
typedef struct { |
/** Type descriptor. */ |
cmd_arg_type_t type; |
/** Buffer where to store data. */ |
void *buffer; |
/** Size of the buffer. */ |
size_t len; |
/** Integer value. */ |
unative_t intval; |
/** Resulting type of variable arg */ |
cmd_arg_type_t vartype; |
} cmd_arg_t; |
/** Structure representing one kconsole command. */ |
typedef struct { |
/** Command list link. */ |
link_t link; |
/** This lock protects everything below. */ |
SPINLOCK_DECLARE(lock); |
/** Command name. */ |
const char *name; |
/** Textual description. */ |
const char *description; |
/** Function implementing the command. */ |
int (* func)(cmd_arg_t *); |
/** Number of arguments. */ |
size_t argc; |
/** Argument vector. */ |
cmd_arg_t *argv; |
/** Function for printing detailed help. */ |
void (* help)(void); |
} cmd_info_t; |
extern bool kconsole_notify; |
extern irq_t kconsole_irq; |
SPINLOCK_EXTERN(cmd_lock); |
extern link_t cmd_head; |
extern void kconsole_init(void); |
extern void kconsole_notify_init(void); |
extern bool kconsole_check_poll(void); |
extern void kconsole(char *prompt, char *msg, bool kcon); |
extern void kconsole_thread(void *data); |
extern bool cmd_register(cmd_info_t *cmd); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/console/console.h |
---|
0,0 → 1,67 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericconsole |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_CONSOLE_H_ |
#define KERN_CONSOLE_H_ |
#include <arch/types.h> |
#include <console/chardev.h> |
extern indev_t *stdin; |
extern outdev_t *stdout; |
extern bool silent; |
extern indev_t *stdin_wire(void); |
extern void console_init(void); |
extern void klog_init(void); |
extern void klog_update(void); |
extern wchar_t getc(indev_t *indev); |
extern size_t gets(indev_t *indev, char *buf, size_t buflen); |
extern unative_t sys_klog(int fd, const void *buf, size_t size); |
extern void grab_console(void); |
extern void release_console(void); |
extern unative_t sys_debug_enable_console(void); |
extern unative_t sys_debug_disable_console(void); |
extern void arch_grab_console(void); |
extern void arch_release_console(void); |
#endif /* KERN_CONSOLE_H_ */ |
/** @} |
*/ |
/branches/arm/kernel/generic/include/console/cmd.h |
---|
0,0 → 1,46 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericconsole |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_CMD_H_ |
#define KERN_CMD_H_ |
#include <console/kconsole.h> |
extern void cmd_initialize(cmd_info_t *cmd); |
extern void cmd_init(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/arch.h |
---|
0,0 → 1,86 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ARCH_H_ |
#define KERN_ARCH_H_ |
#include <arch/arch.h> |
#include <proc/thread.h> |
#include <proc/task.h> |
#define DEFAULT_CONTEXT 0 |
#define CPU THE->cpu |
#define THREAD THE->thread |
#define TASK THE->task |
#define AS THE->as |
#define CONTEXT (THE->task ? THE->task->context : DEFAULT_CONTEXT) |
#define PREEMPTION_DISABLED THE->preemption_disabled |
#define context_check(ctx1, ctx2) ((ctx1) == (ctx2)) |
/** |
* For each possible kernel stack, structure |
* of the following type will be placed at |
* the base address of the stack. |
*/ |
typedef struct { |
size_t preemption_disabled; /**< Preemption disabled counter. */ |
thread_t *thread; /**< Current thread. */ |
task_t *task; /**< Current task. */ |
cpu_t *cpu; /**< Executing cpu. */ |
as_t *as; /**< Current address space. */ |
} the_t; |
#define THE ((the_t * )(get_stack_base())) |
extern void the_initialize(the_t *the); |
extern void the_copy(the_t *src, the_t *dst); |
extern void arch_pre_mm_init(void); |
extern void arch_post_mm_init(void); |
extern void arch_post_cpu_init(void); |
extern void arch_pre_smp_init(void); |
extern void arch_post_smp_init(void); |
extern void calibrate_delay_loop(void); |
extern void reboot(void); |
extern void arch_reboot(void); |
extern void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/adt/hash_table.h |
---|
0,0 → 1,88 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericadt |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_HASH_TABLE_H_ |
#define KERN_HASH_TABLE_H_ |
#include <adt/list.h> |
#include <arch/types.h> |
/** Set of operations for hash table. */ |
typedef struct { |
/** Hash function. |
* |
* @param key Array of keys needed to compute hash index. All keys must |
* be passed. |
* |
* @return Index into hash table. |
*/ |
size_t (* hash)(unative_t key[]); |
/** Hash table item comparison function. |
* |
* @param key Array of keys that will be compared with item. It is not |
* necessary to pass all keys. |
* |
* @return true if the keys match, false otherwise. |
*/ |
bool (*compare)(unative_t key[], size_t keys, link_t *item); |
/** Hash table item removal callback. |
* |
* @param item Item that was removed from the hash table. |
*/ |
void (*remove_callback)(link_t *item); |
} hash_table_operations_t; |
/** Hash table structure. */ |
typedef struct { |
link_t *entry; |
size_t entries; |
size_t max_keys; |
hash_table_operations_t *op; |
} hash_table_t; |
#define hash_table_get_instance(item, type, member) \ |
list_get_instance((item), type, member) |
extern void hash_table_create(hash_table_t *h, size_t m, size_t max_keys, |
hash_table_operations_t *op); |
extern void hash_table_insert(hash_table_t *h, unative_t key[], link_t *item); |
extern link_t *hash_table_find(hash_table_t *h, unative_t key[]); |
extern void hash_table_remove(hash_table_t *h, unative_t key[], size_t keys); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/adt/bitmap.h |
---|
0,0 → 1,64 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericadt |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_BITMAP_H_ |
#define KERN_BITMAP_H_ |
#include <arch/types.h> |
#define BITS2BYTES(bits) (bits ? ((((bits)-1)>>3)+1) : 0) |
typedef struct { |
uint8_t *map; |
size_t bits; |
} bitmap_t; |
extern void bitmap_initialize(bitmap_t *bitmap, uint8_t *map, size_t bits); |
extern void bitmap_set_range(bitmap_t *bitmap, size_t start, size_t bits); |
extern void bitmap_clear_range(bitmap_t *bitmap, size_t start, size_t bits); |
extern void bitmap_copy(bitmap_t *dst, bitmap_t *src, size_t bits); |
static inline int bitmap_get(bitmap_t *bitmap, size_t bit) |
{ |
if(bit >= bitmap->bits) |
return 0; |
return !! ((bitmap->map)[bit/8] & (1 << (bit & 7))); |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/adt/btree.h |
---|
0,0 → 1,113 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericadt |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_BTREE_H_ |
#define KERN_BTREE_H_ |
#include <arch/types.h> |
#include <adt/list.h> |
#define BTREE_M 5 |
#define BTREE_MAX_KEYS (BTREE_M - 1) |
typedef uint64_t btree_key_t; |
/** B-tree node structure. */ |
typedef struct btree_node { |
/** Number of keys. */ |
size_t keys; |
/** |
* Keys. We currently support only single keys. Additional room for one |
* extra key is provided. |
*/ |
btree_key_t key[BTREE_MAX_KEYS + 1]; |
/** |
* Pointers to values. Sorted according to the key array. Defined only in |
* leaf-level. There is room for storing value for the extra key. |
*/ |
void *value[BTREE_MAX_KEYS + 1]; |
/** |
* Pointers to descendants of this node sorted according to the key |
* array. |
* |
* subtree[0] points to subtree with keys lesser than to key[0]. |
* subtree[1] points to subtree with keys greater than or equal to |
* key[0] and lesser than key[1]. |
* ... |
* There is room for storing a subtree pointer for the extra key. |
*/ |
struct btree_node *subtree[BTREE_M + 1]; |
/** Pointer to parent node. Root node has NULL parent. */ |
struct btree_node *parent; |
/** |
* Link connecting leaf-level nodes. Defined only when this node is a |
* leaf. */ |
link_t leaf_link; |
/* Variables needed by btree_print(). */ |
link_t bfs_link; |
int depth; |
} btree_node_t; |
/** B-tree structure. */ |
typedef struct { |
btree_node_t *root; /**< B-tree root node pointer. */ |
link_t leaf_head; /**< Leaf-level list head. */ |
} btree_t; |
extern void btree_init(void); |
extern void btree_create(btree_t *t); |
extern void btree_destroy(btree_t *t); |
extern void btree_insert(btree_t *t, btree_key_t key, void *value, |
btree_node_t *leaf_node); |
extern void btree_remove(btree_t *t, btree_key_t key, btree_node_t *leaf_node); |
extern void *btree_search(btree_t *t, btree_key_t key, btree_node_t **leaf_node); |
extern btree_node_t *btree_leaf_node_left_neighbour(btree_t *t, |
btree_node_t *node); |
extern btree_node_t *btree_leaf_node_right_neighbour(btree_t *t, |
btree_node_t *node); |
extern void btree_print(btree_t *t); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/adt/fifo.h |
---|
0,0 → 1,122 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericadt |
* @{ |
*/ |
/** @file |
*/ |
/* |
* This implementation of FIFO stores values in an array |
* (static or dynamic). As such, these FIFOs have upper bound |
* on number of values they can store. Push and pop operations |
* are done via accessing the array through head and tail indices. |
* Because of better operation ordering in fifo_pop(), the access |
* policy for these two indices is to 'increment (mod size of FIFO) |
* and use'. |
*/ |
#ifndef KERN_FIFO_H_ |
#define KERN_FIFO_H_ |
#include <mm/slab.h> |
/** Create and initialize static FIFO. |
* |
* FIFO is allocated statically. |
* This macro is suitable for creating smaller FIFOs. |
* |
* @param name Name of FIFO. |
* @param t Type of values stored in FIFO. |
* @param itms Number of items that can be stored in FIFO. |
*/ |
#define FIFO_INITIALIZE_STATIC(name, t, itms) \ |
struct { \ |
t fifo[(itms)]; \ |
size_t items; \ |
size_t head; \ |
size_t tail; \ |
} name = { \ |
.items = (itms), \ |
.head = 0, \ |
.tail = 0 \ |
} |
/** Create and prepare dynamic FIFO. |
* |
* FIFO is allocated dynamically. |
* This macro is suitable for creating larger FIFOs. |
* |
* @param name Name of FIFO. |
* @param t Type of values stored in FIFO. |
* @param itms Number of items that can be stored in FIFO. |
*/ |
#define FIFO_INITIALIZE_DYNAMIC(name, t, itms) \ |
struct { \ |
t *fifo; \ |
size_t items; \ |
size_t head; \ |
size_t tail; \ |
} name = { \ |
.fifo = NULL, \ |
.items = (itms), \ |
.head = 0, \ |
.tail = 0 \ |
} |
/** Pop value from head of FIFO. |
* |
* @param name FIFO name. |
* |
* @return Leading value in FIFO. |
*/ |
#define fifo_pop(name) \ |
name.fifo[name.head = (name.head + 1) < name.items ? (name.head + 1) : 0] |
/** Push value to tail of FIFO. |
* |
* @param name FIFO name. |
* @param value Value to be appended to FIFO. |
* |
*/ |
#define fifo_push(name, value) \ |
name.fifo[name.tail = \ |
(name.tail + 1) < name.items ? (name.tail + 1) : 0] = (value) |
/** Allocate memory for dynamic FIFO. |
* |
* @param name FIFO name. |
*/ |
#define fifo_create(name) \ |
name.fifo = malloc(sizeof(*name.fifo) * name.items, 0) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/adt/list.h |
---|
0,0 → 1,193 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericadt |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_LIST_H_ |
#define KERN_LIST_H_ |
#include <arch/types.h> |
#include <typedefs.h> |
/** Doubly linked list head and link type. */ |
typedef struct link { |
struct link *prev; /**< Pointer to the previous item in the list. */ |
struct link *next; /**< Pointer to the next item in the list. */ |
} link_t; |
/** Declare and initialize statically allocated list. |
* |
* @param name Name of the new statically allocated list. |
*/ |
#define LIST_INITIALIZE(name) \ |
link_t name = { .prev = &name, .next = &name } |
/** Initialize doubly-linked circular list link |
* |
* Initialize doubly-linked list link. |
* |
* @param link Pointer to link_t structure to be initialized. |
*/ |
static inline void link_initialize(link_t *link) |
{ |
link->prev = NULL; |
link->next = NULL; |
} |
/** Initialize doubly-linked circular list |
* |
* Initialize doubly-linked circular list. |
* |
* @param head Pointer to link_t structure representing head of the list. |
*/ |
static inline void list_initialize(link_t *head) |
{ |
head->prev = head; |
head->next = head; |
} |
/** Add item to the beginning of doubly-linked circular list |
* |
* Add item to the beginning of doubly-linked circular list. |
* |
* @param link Pointer to link_t structure to be added. |
* @param head Pointer to link_t structure representing head of the list. |
*/ |
static inline void list_prepend(link_t *link, link_t *head) |
{ |
link->next = head->next; |
link->prev = head; |
head->next->prev = link; |
head->next = link; |
} |
/** Add item to the end of doubly-linked circular list |
* |
* Add item to the end of doubly-linked circular list. |
* |
* @param link Pointer to link_t structure to be added. |
* @param head Pointer to link_t structure representing head of the list. |
*/ |
static inline void list_append(link_t *link, link_t *head) |
{ |
link->prev = head->prev; |
link->next = head; |
head->prev->next = link; |
head->prev = link; |
} |
/** Remove item from doubly-linked circular list |
* |
* Remove item from doubly-linked circular list. |
* |
* @param link Pointer to link_t structure to be removed from the list it is |
* contained in. |
*/ |
static inline void list_remove(link_t *link) |
{ |
link->next->prev = link->prev; |
link->prev->next = link->next; |
link_initialize(link); |
} |
/** Query emptiness of doubly-linked circular list |
* |
* Query emptiness of doubly-linked circular list. |
* |
* @param head Pointer to link_t structure representing head of the list. |
*/ |
static inline bool list_empty(link_t *head) |
{ |
return head->next == head ? true : false; |
} |
/** Split or concatenate headless doubly-linked circular list |
* |
* Split or concatenate headless doubly-linked circular list. |
* |
* Note that the algorithm works both directions: |
* concatenates splitted lists and splits concatenated lists. |
* |
* @param part1 Pointer to link_t structure leading the first (half of the |
* headless) list. |
* @param part2 Pointer to link_t structure leading the second (half of the |
* headless) list. |
*/ |
static inline void headless_list_split_or_concat(link_t *part1, link_t *part2) |
{ |
link_t *hlp; |
part1->prev->next = part2; |
part2->prev->next = part1; |
hlp = part1->prev; |
part1->prev = part2->prev; |
part2->prev = hlp; |
} |
/** Split headless doubly-linked circular list |
* |
* Split headless doubly-linked circular list. |
* |
* @param part1 Pointer to link_t structure leading the first half of the |
* headless list. |
* @param part2 Pointer to link_t structure leading the second half of the |
* headless list. |
*/ |
static inline void headless_list_split(link_t *part1, link_t *part2) |
{ |
headless_list_split_or_concat(part1, part2); |
} |
/** Concatenate two headless doubly-linked circular lists |
* |
* Concatenate two headless doubly-linked circular lists. |
* |
* @param part1 Pointer to link_t structure leading the first headless list. |
* @param part2 Pointer to link_t structure leading the second headless list. |
*/ |
static inline void headless_list_concat(link_t *part1, link_t *part2) |
{ |
headless_list_split_or_concat(part1, part2); |
} |
#define list_get_instance(link, type, member) \ |
((type *)(((uint8_t *)(link)) - ((uint8_t *)&(((type *)NULL)->member)))) |
extern bool list_member(const link_t *link, const link_t *head); |
extern void list_concat(link_t *head1, link_t *head2); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/adt/avl.h |
---|
0,0 → 1,142 |
/* |
* Copyright (C) 2007 Vojtech Mencl |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericadt |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_AVLTREE_H_ |
#define KERN_AVLTREE_H_ |
#include <arch/types.h> |
#include <typedefs.h> |
/** |
* Macro for getting a pointer to the structure which contains the avltree |
* structure. |
* |
* @param link Pointer to the avltree structure. |
* @param type Name of the outer structure. |
* @param member Name of avltree attribute in the outer structure. |
*/ |
#define avltree_get_instance(node, type, member) \ |
((type *)(((uint8_t *)(node)) - ((uint8_t *) &(((type *) NULL)->member)))) |
typedef struct avltree_node avltree_node_t; |
typedef struct avltree avltree_t; |
typedef uint64_t avltree_key_t; |
typedef bool (* avltree_walker_t)(avltree_node_t *, void *); |
/** AVL tree node structure. */ |
struct avltree_node |
{ |
/** |
* Pointer to the left descendant of this node. |
* |
* All keys of nodes in the left subtree are less than the key of this |
* node. |
*/ |
struct avltree_node *lft; |
/** |
* Pointer to the right descendant of this node. |
* |
* All keys of nodes in the right subtree are greater than the key of |
* this node. |
*/ |
struct avltree_node *rgt; |
/** Pointer to the parent node. Root node has NULL parent. */ |
struct avltree_node *par; |
/** Node's key. */ |
avltree_key_t key; |
/** |
* Difference between the heights of the left and the right subtree of |
* this node. |
*/ |
int8_t balance; |
}; |
/** AVL tree structure. */ |
struct avltree |
{ |
/** AVL root node pointer */ |
struct avltree_node *root; |
/** |
* Base of the tree is a value that is smaller or equal than every value |
* in the tree (valid for positive keys otherwise ignore this atribute). |
* |
* The base is added to the current key when a new node is inserted into |
* the tree. The base is changed to the key of the node which is deleted |
* with avltree_delete_min(). |
*/ |
avltree_key_t base; |
}; |
/** Create empty AVL tree. |
* |
* @param t AVL tree. |
*/ |
static inline void avltree_create(avltree_t *t) |
{ |
t->root = NULL; |
t->base = 0; |
} |
/** Initialize node. |
* |
* @param node Node which is initialized. |
*/ |
static inline void avltree_node_initialize(avltree_node_t *node) |
{ |
node->key = 0; |
node->lft = NULL; |
node->rgt = NULL; |
node->par = NULL; |
node->balance = 0; |
} |
extern avltree_node_t *avltree_find_min(avltree_t *t); |
extern avltree_node_t *avltree_search(avltree_t *t, avltree_key_t key); |
extern void avltree_insert(avltree_t *t, avltree_node_t *newnode); |
extern void avltree_delete(avltree_t *t, avltree_node_t *node); |
extern bool avltree_delete_min(avltree_t *t); |
extern void avltree_walk(avltree_t *t, avltree_walker_t walker, void *arg); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/mm/frame.h |
---|
0,0 → 1,182 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* Copyright (c) 2005 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericmm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_FRAME_H_ |
#define KERN_FRAME_H_ |
#include <arch/types.h> |
#include <adt/list.h> |
#include <mm/buddy.h> |
#include <synch/spinlock.h> |
#include <arch/mm/page.h> |
#include <arch/mm/frame.h> |
#define ONE_FRAME 0 |
#define TWO_FRAMES 1 |
#define FOUR_FRAMES 2 |
#ifdef ARCH_STACK_FRAMES |
#define STACK_FRAMES ARCH_STACK_FRAMES |
#else |
#define STACK_FRAMES ONE_FRAME |
#endif |
/** Maximum number of zones in the system. */ |
#define ZONES_MAX 32 |
typedef uint8_t frame_flags_t; |
/** Convert the frame address to kernel VA. */ |
#define FRAME_KA 0x01 |
/** Do not panic and do not sleep on failure. */ |
#define FRAME_ATOMIC 0x02 |
/** Do not start reclaiming when no free memory. */ |
#define FRAME_NO_RECLAIM 0x04 |
typedef uint8_t zone_flags_t; |
/** Available zone (free for allocation) */ |
#define ZONE_AVAILABLE 0x00 |
/** Zone is reserved (not available for allocation) */ |
#define ZONE_RESERVED 0x08 |
/** Zone is used by firmware (not available for allocation) */ |
#define ZONE_FIRMWARE 0x10 |
/** Currently there is no equivalent zone flags |
for frame flags */ |
#define FRAME_TO_ZONE_FLAGS(frame_flags) 0 |
typedef struct { |
size_t refcount; /**< Tracking of shared frames */ |
uint8_t buddy_order; /**< Buddy system block order */ |
link_t buddy_link; /**< Link to the next free block inside |
one order */ |
void *parent; /**< If allocated by slab, this points there */ |
} frame_t; |
typedef struct { |
pfn_t base; /**< Frame_no of the first frame |
in the frames array */ |
size_t count; /**< Size of zone */ |
size_t free_count; /**< Number of free frame_t |
structures */ |
size_t busy_count; /**< Number of busy frame_t |
structures */ |
zone_flags_t flags; /**< Type of the zone */ |
frame_t *frames; /**< Array of frame_t structures |
in this zone */ |
buddy_system_t *buddy_system; /**< Buddy system for the zone */ |
} zone_t; |
/* |
* The zoneinfo.lock must be locked when accessing zoneinfo structure. |
* Some of the attributes in zone_t structures are 'read-only' |
*/ |
typedef struct { |
SPINLOCK_DECLARE(lock); |
size_t count; |
zone_t info[ZONES_MAX]; |
} zones_t; |
extern zones_t zones; |
static inline uintptr_t PFN2ADDR(pfn_t frame) |
{ |
return (uintptr_t) (frame << FRAME_WIDTH); |
} |
static inline pfn_t ADDR2PFN(uintptr_t addr) |
{ |
return (pfn_t) (addr >> FRAME_WIDTH); |
} |
static inline size_t SIZE2FRAMES(size_t size) |
{ |
if (!size) |
return 0; |
return (size_t) ((size - 1) >> FRAME_WIDTH) + 1; |
} |
static inline size_t FRAMES2SIZE(size_t frames) |
{ |
return (size_t) (frames << FRAME_WIDTH); |
} |
static inline bool zone_flags_available(zone_flags_t flags) |
{ |
return ((flags & (ZONE_RESERVED | ZONE_FIRMWARE)) == 0); |
} |
#define IS_BUDDY_ORDER_OK(index, order) \ |
((~(((unative_t) -1) << (order)) & (index)) == 0) |
#define IS_BUDDY_LEFT_BLOCK(zone, frame) \ |
(((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x01) == 0) |
#define IS_BUDDY_RIGHT_BLOCK(zone, frame) \ |
(((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x01) == 1) |
#define IS_BUDDY_LEFT_BLOCK_ABS(zone, frame) \ |
(((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x01) == 0) |
#define IS_BUDDY_RIGHT_BLOCK_ABS(zone, frame) \ |
(((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x01) == 1) |
#define frame_alloc(order, flags) \ |
frame_alloc_generic(order, flags, NULL) |
extern void frame_init(void); |
extern void *frame_alloc_generic(uint8_t, frame_flags_t, size_t *); |
extern void frame_free(uintptr_t); |
extern void frame_reference_add(pfn_t); |
extern size_t find_zone(pfn_t frame, size_t count, size_t hint); |
extern size_t zone_create(pfn_t, size_t, pfn_t, zone_flags_t); |
extern void *frame_get_parent(pfn_t, size_t); |
extern void frame_set_parent(pfn_t, void *, size_t); |
extern void frame_mark_unavailable(pfn_t, size_t); |
extern uintptr_t zone_conf_size(size_t); |
extern bool zone_merge(size_t, size_t); |
extern void zone_merge_all(void); |
extern uint64_t zone_total_size(void); |
/* |
* Console functions |
*/ |
extern void zone_print_list(void); |
extern void zone_print_one(size_t); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/mm/slab.h |
---|
0,0 → 1,148 |
/* |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericmm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_SLAB_H_ |
#define KERN_SLAB_H_ |
#include <adt/list.h> |
#include <synch/spinlock.h> |
#include <atomic.h> |
#include <mm/frame.h> |
/** Minimum size to be allocated by malloc */ |
#define SLAB_MIN_MALLOC_W 4 |
/** Maximum size to be allocated by malloc */ |
#define SLAB_MAX_MALLOC_W 22 |
/** Initial Magazine size (TODO: dynamically growing magazines) */ |
#define SLAB_MAG_SIZE 4 |
/** If object size is less, store control structure inside SLAB */ |
#define SLAB_INSIDE_SIZE (PAGE_SIZE >> 3) |
/** Maximum wasted space we allow for cache */ |
#define SLAB_MAX_BADNESS(cache) \ |
(((unsigned int) PAGE_SIZE << (cache)->order) >> 2) |
/* slab_reclaim constants */ |
/** Reclaim all possible memory, because we are in memory stress */ |
#define SLAB_RECLAIM_ALL 0x01 |
/* cache_create flags */ |
/** Do not use per-cpu cache */ |
#define SLAB_CACHE_NOMAGAZINE 0x01 |
/** Have control structure inside SLAB */ |
#define SLAB_CACHE_SLINSIDE 0x02 |
/** We add magazine cache later, if we have this flag */ |
#define SLAB_CACHE_MAGDEFERRED (0x04 | SLAB_CACHE_NOMAGAZINE) |
typedef struct { |
link_t link; |
size_t busy; /**< Count of full slots in magazine */ |
size_t size; /**< Number of slots in magazine */ |
void *objs[]; /**< Slots in magazine */ |
} slab_magazine_t; |
typedef struct { |
slab_magazine_t *current; |
slab_magazine_t *last; |
SPINLOCK_DECLARE(lock); |
} slab_mag_cache_t; |
typedef struct { |
char *name; |
link_t link; |
/* Configuration */ |
/** Size of slab position - align_up(sizeof(obj)) */ |
size_t size; |
int (*constructor)(void *obj, int kmflag); |
int (*destructor)(void *obj); |
/** Flags changing behaviour of cache */ |
int flags; |
/* Computed values */ |
uint8_t order; /**< Order of frames to be allocated */ |
unsigned int objects; /**< Number of objects that fit in */ |
/* Statistics */ |
atomic_t allocated_slabs; |
atomic_t allocated_objs; |
atomic_t cached_objs; |
/** How many magazines in magazines list */ |
atomic_t magazine_counter; |
/* Slabs */ |
link_t full_slabs; /**< List of full slabs */ |
link_t partial_slabs; /**< List of partial slabs */ |
SPINLOCK_DECLARE(slablock); |
/* Magazines */ |
link_t magazines; /**< List o full magazines */ |
SPINLOCK_DECLARE(maglock); |
/** CPU cache */ |
slab_mag_cache_t *mag_cache; |
} slab_cache_t; |
extern slab_cache_t *slab_cache_create(char *, size_t, size_t, |
int (*)(void *, int), int (*)(void *), int); |
extern void slab_cache_destroy(slab_cache_t *); |
extern void * slab_alloc(slab_cache_t *, int); |
extern void slab_free(slab_cache_t *, void *); |
extern size_t slab_reclaim(int); |
/* slab subsytem initialization */ |
extern void slab_cache_init(void); |
extern void slab_enable_cpucache(void); |
/* kconsole debug */ |
extern void slab_print_list(void); |
/* malloc support */ |
extern void *malloc(unsigned int, int); |
extern void *realloc(void *, unsigned int, int); |
extern void free(void *); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/mm/tlb.h |
---|
0,0 → 1,91 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericmm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_TLB_H_ |
#define KERN_TLB_H_ |
#include <arch/mm/asid.h> |
#include <arch/types.h> |
/** |
* Number of TLB shootdown messages that can be queued in processor tlb_messages |
* queue. |
*/ |
#define TLB_MESSAGE_QUEUE_LEN 10 |
/** Type of TLB shootdown message. */ |
typedef enum { |
/** Invalid type. */ |
TLB_INVL_INVALID = 0, |
/** Invalidate all entries in TLB. */ |
TLB_INVL_ALL, |
/** Invalidate all entries belonging to one address space. */ |
TLB_INVL_ASID, |
/** Invalidate specified page range belonging to one address space. */ |
TLB_INVL_PAGES |
} tlb_invalidate_type_t; |
/** TLB shootdown message. */ |
typedef struct { |
tlb_invalidate_type_t type; /**< Message type. */ |
asid_t asid; /**< Address space identifier. */ |
uintptr_t page; /**< Page address. */ |
size_t count; /**< Number of pages to invalidate. */ |
} tlb_shootdown_msg_t; |
extern void tlb_init(void); |
#ifdef CONFIG_SMP |
extern void tlb_shootdown_start(tlb_invalidate_type_t type, asid_t asid, |
uintptr_t page, size_t count); |
extern void tlb_shootdown_finalize(void); |
extern void tlb_shootdown_ipi_recv(void); |
#else |
#define tlb_shootdown_start(w, x, y, z) |
#define tlb_shootdown_finalize() |
#define tlb_shootdown_ipi_recv() |
#endif /* CONFIG_SMP */ |
/* Export TLB interface that each architecture must implement. */ |
extern void tlb_arch_init(void); |
extern void tlb_print(void); |
extern void tlb_shootdown_ipi_send(void); |
extern void tlb_invalidate_all(void); |
extern void tlb_invalidate_asid(asid_t asid); |
extern void tlb_invalidate_pages(asid_t asid, uintptr_t page, size_t cnt); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/mm/as.h |
---|
0,0 → 1,277 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericmm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_AS_H_ |
#define KERN_AS_H_ |
/** Address space area flags. */ |
#define AS_AREA_READ 1 |
#define AS_AREA_WRITE 2 |
#define AS_AREA_EXEC 4 |
#define AS_AREA_CACHEABLE 8 |
#ifdef KERNEL |
#include <arch/mm/page.h> |
#include <arch/mm/as.h> |
#include <arch/mm/asid.h> |
#include <arch/types.h> |
#include <synch/spinlock.h> |
#include <synch/mutex.h> |
#include <adt/list.h> |
#include <adt/btree.h> |
#include <lib/elf.h> |
/** |
* Defined to be true if user address space and kernel address space shadow each |
* other. |
*/ |
#define KERNEL_ADDRESS_SPACE_SHADOWED KERNEL_ADDRESS_SPACE_SHADOWED_ARCH |
#define KERNEL_ADDRESS_SPACE_START KERNEL_ADDRESS_SPACE_START_ARCH |
#define KERNEL_ADDRESS_SPACE_END KERNEL_ADDRESS_SPACE_END_ARCH |
#define USER_ADDRESS_SPACE_START USER_ADDRESS_SPACE_START_ARCH |
#define USER_ADDRESS_SPACE_END USER_ADDRESS_SPACE_END_ARCH |
#define USTACK_ADDRESS USTACK_ADDRESS_ARCH |
/** Kernel address space. */ |
#define FLAG_AS_KERNEL (1 << 0) |
/* Address space area attributes. */ |
#define AS_AREA_ATTR_NONE 0 |
#define AS_AREA_ATTR_PARTIAL 1 /**< Not fully initialized area. */ |
/** The page fault was not resolved by as_page_fault(). */ |
#define AS_PF_FAULT 0 |
/** The page fault was resolved by as_page_fault(). */ |
#define AS_PF_OK 1 |
/** The page fault was caused by memcpy_from_uspace() or memcpy_to_uspace(). */ |
#define AS_PF_DEFER 2 |
/** Address space structure. |
* |
* as_t contains the list of as_areas of userspace accessible |
* pages for one or more tasks. Ranges of kernel memory pages are not |
* supposed to figure in the list as they are shared by all tasks and |
* set up during system initialization. |
*/ |
typedef struct as { |
/** Protected by asidlock. */ |
link_t inactive_as_with_asid_link; |
/** |
* Number of processors on wich is this address space active. |
* Protected by asidlock. |
*/ |
size_t cpu_refcount; |
/** |
* Address space identifier. |
* Constant on architectures that do not support ASIDs. |
* Protected by asidlock. |
*/ |
asid_t asid; |
/** Number of references (i.e tasks that reference this as). */ |
atomic_t refcount; |
mutex_t lock; |
/** B+tree of address space areas. */ |
btree_t as_area_btree; |
/** Non-generic content. */ |
as_genarch_t genarch; |
/** Architecture specific content. */ |
as_arch_t arch; |
} as_t; |
typedef struct { |
pte_t *(* page_table_create)(int flags); |
void (* page_table_destroy)(pte_t *page_table); |
void (* page_table_lock)(as_t *as, bool lock); |
void (* page_table_unlock)(as_t *as, bool unlock); |
} as_operations_t; |
/** |
* This structure contains information associated with the shared address space |
* area. |
*/ |
typedef struct { |
/** This lock must be acquired only when the as_area lock is held. */ |
mutex_t lock; |
/** This structure can be deallocated if refcount drops to 0. */ |
size_t refcount; |
/** |
* B+tree containing complete map of anonymous pages of the shared area. |
*/ |
btree_t pagemap; |
} share_info_t; |
/** Page fault access type. */ |
typedef enum { |
PF_ACCESS_READ, |
PF_ACCESS_WRITE, |
PF_ACCESS_EXEC |
} pf_access_t; |
struct mem_backend; |
/** Backend data stored in address space area. */ |
typedef union mem_backend_data { |
struct { /**< elf_backend members */ |
elf_header_t *elf; |
elf_segment_header_t *segment; |
}; |
struct { /**< phys_backend members */ |
uintptr_t base; |
size_t frames; |
}; |
} mem_backend_data_t; |
/** Address space area structure. |
* |
* Each as_area_t structure describes one contiguous area of virtual memory. |
*/ |
typedef struct { |
mutex_t lock; |
/** Containing address space. */ |
as_t *as; |
/** |
* Flags related to the memory represented by the address space area. |
*/ |
int flags; |
/** Attributes related to the address space area itself. */ |
int attributes; |
/** Size of this area in multiples of PAGE_SIZE. */ |
size_t pages; |
/** Base address of this area. */ |
uintptr_t base; |
/** Map of used space. */ |
btree_t used_space; |
/** |
* If the address space area has been shared, this pointer will |
* reference the share info structure. |
*/ |
share_info_t *sh_info; |
/** Memory backend backing this address space area. */ |
struct mem_backend *backend; |
/** Data to be used by the backend. */ |
mem_backend_data_t backend_data; |
} as_area_t; |
/** Address space area backend structure. */ |
typedef struct mem_backend { |
int (* page_fault)(as_area_t *area, uintptr_t addr, pf_access_t access); |
void (* frame_free)(as_area_t *area, uintptr_t page, uintptr_t frame); |
void (* share)(as_area_t *area); |
} mem_backend_t; |
extern as_t *AS_KERNEL; |
extern as_operations_t *as_operations; |
extern link_t inactive_as_with_asid_head; |
extern void as_init(void); |
extern as_t *as_create(int flags); |
extern void as_destroy(as_t *as); |
extern void as_switch(as_t *old_as, as_t *new_as); |
extern int as_page_fault(uintptr_t page, pf_access_t access, istate_t *istate); |
extern as_area_t *as_area_create(as_t *as, int flags, size_t size, |
uintptr_t base, int attrs, mem_backend_t *backend, |
mem_backend_data_t *backend_data); |
extern int as_area_destroy(as_t *as, uintptr_t address); |
extern int as_area_resize(as_t *as, uintptr_t address, size_t size, int flags); |
int as_area_share(as_t *src_as, uintptr_t src_base, size_t acc_size, |
as_t *dst_as, uintptr_t dst_base, int dst_flags_mask); |
extern int as_area_change_flags(as_t *as, int flags, uintptr_t address); |
extern int as_area_get_flags(as_area_t *area); |
extern bool as_area_check_access(as_area_t *area, pf_access_t access); |
extern size_t as_area_get_size(uintptr_t base); |
extern int used_space_insert(as_area_t *a, uintptr_t page, size_t count); |
extern int used_space_remove(as_area_t *a, uintptr_t page, size_t count); |
/* Interface to be implemented by architectures. */ |
#ifndef as_constructor_arch |
extern int as_constructor_arch(as_t *as, int flags); |
#endif /* !def as_constructor_arch */ |
#ifndef as_destructor_arch |
extern int as_destructor_arch(as_t *as); |
#endif /* !def as_destructor_arch */ |
#ifndef as_create_arch |
extern int as_create_arch(as_t *as, int flags); |
#endif /* !def as_create_arch */ |
#ifndef as_install_arch |
extern void as_install_arch(as_t *as); |
#endif /* !def as_install_arch */ |
#ifndef as_deinstall_arch |
extern void as_deinstall_arch(as_t *as); |
#endif /* !def as_deinstall_arch */ |
/* Backend declarations and functions. */ |
extern mem_backend_t anon_backend; |
extern mem_backend_t elf_backend; |
extern mem_backend_t phys_backend; |
/** |
* This flags is passed when running the loader, otherwise elf_load() |
* would return with a EE_LOADER error code. |
*/ |
#define ELD_F_NONE 0 |
#define ELD_F_LOADER 1 |
extern unsigned int elf_load(elf_header_t *header, as_t *as, int flags); |
/* Address space area related syscalls. */ |
extern unative_t sys_as_area_create(uintptr_t address, size_t size, int flags); |
extern unative_t sys_as_area_resize(uintptr_t address, size_t size, int flags); |
extern unative_t sys_as_area_change_flags(uintptr_t address, int flags); |
extern unative_t sys_as_area_destroy(uintptr_t address); |
/* Introspection functions. */ |
extern void as_print(as_t *as); |
#endif /* KERNEL */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/mm/page.h |
---|
0,0 → 1,68 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericmm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_PAGE_H_ |
#define KERN_PAGE_H_ |
#include <arch/types.h> |
#include <mm/as.h> |
#include <memstr.h> |
/** Operations to manipulate page mappings. */ |
typedef struct { |
void (* mapping_insert)(as_t *as, uintptr_t page, uintptr_t frame, |
int flags); |
void (* mapping_remove)(as_t *as, uintptr_t page); |
pte_t *(* mapping_find)(as_t *as, uintptr_t page); |
} page_mapping_operations_t; |
extern page_mapping_operations_t *page_mapping_operations; |
extern void page_init(void); |
extern void page_table_lock(as_t *as, bool lock); |
extern void page_table_unlock(as_t *as, bool unlock); |
extern void page_mapping_insert(as_t *as, uintptr_t page, uintptr_t frame, |
int flags); |
extern void page_mapping_remove(as_t *as, uintptr_t page); |
extern pte_t *page_mapping_find(as_t *as, uintptr_t page); |
extern pte_t *page_table_create(int flags); |
extern void page_table_destroy(pte_t *page_table); |
extern void map_structure(uintptr_t s, size_t size); |
extern uintptr_t hw_map(uintptr_t physaddr, size_t size); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/mm/buddy.h |
---|
0,0 → 1,91 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericmm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_BUDDY_H_ |
#define KERN_BUDDY_H_ |
#include <arch/types.h> |
#include <adt/list.h> |
#define BUDDY_SYSTEM_INNER_BLOCK 0xff |
struct buddy_system; |
/** Buddy system operations to be implemented by each implementation. */ |
typedef struct { |
/** |
* Return pointer to left-side or right-side buddy for block passed as |
* argument. |
*/ |
link_t *(* find_buddy)(struct buddy_system *, link_t *); |
/** |
* Bisect the block passed as argument and return pointer to the new |
* right-side buddy. |
*/ |
link_t *(* bisect)(struct buddy_system *, link_t *); |
/** Coalesce two buddies into a bigger block. */ |
link_t *(* coalesce)(struct buddy_system *, link_t *, link_t *); |
/** Set order of block passed as argument. */ |
void (*set_order)(struct buddy_system *, link_t *, uint8_t); |
/** Return order of block passed as argument. */ |
uint8_t (*get_order)(struct buddy_system *, link_t *); |
/** Mark block as busy. */ |
void (*mark_busy)(struct buddy_system *, link_t *); |
/** Mark block as available. */ |
void (*mark_available)(struct buddy_system *, link_t *); |
/** Find parent of block that has given order */ |
link_t *(* find_block)(struct buddy_system *, link_t *, uint8_t); |
} buddy_system_operations_t; |
typedef struct buddy_system { |
/** Maximal order of block which can be stored by buddy system. */ |
uint8_t max_order; |
link_t *order; |
buddy_system_operations_t *op; |
/** Pointer to be used by the implementation. */ |
void *data; |
} buddy_system_t; |
extern void buddy_system_create(buddy_system_t *, uint8_t, |
buddy_system_operations_t *, void *); |
extern link_t *buddy_system_alloc(buddy_system_t *, uint8_t); |
extern bool buddy_system_can_alloc(buddy_system_t *, uint8_t); |
extern void buddy_system_free(buddy_system_t *, link_t *); |
extern size_t buddy_conf_size(size_t); |
extern link_t *buddy_system_alloc_block(buddy_system_t *, link_t *); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/mm/mm.h |
---|
0,0 → 1,67 |
/* |
* Copyright (c) 2007 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericmm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_MM_H_ |
#define KERN_MM_H_ |
#define PAGE_CACHEABLE_SHIFT 0 |
#define PAGE_NOT_CACHEABLE_SHIFT PAGE_CACHEABLE_SHIFT |
#define PAGE_PRESENT_SHIFT 1 |
#define PAGE_NOT_PRESENT_SHIFT PAGE_PRESENT_SHIFT |
#define PAGE_USER_SHIFT 2 |
#define PAGE_KERNEL_SHIFT PAGE_USER_SHIFT |
#define PAGE_READ_SHIFT 3 |
#define PAGE_WRITE_SHIFT 4 |
#define PAGE_EXEC_SHIFT 5 |
#define PAGE_GLOBAL_SHIFT 6 |
#define PAGE_NOT_CACHEABLE (0 << PAGE_CACHEABLE_SHIFT) |
#define PAGE_CACHEABLE (1 << PAGE_CACHEABLE_SHIFT) |
#define PAGE_PRESENT (0 << PAGE_PRESENT_SHIFT) |
#define PAGE_NOT_PRESENT (1 << PAGE_PRESENT_SHIFT) |
#define PAGE_USER (1 << PAGE_USER_SHIFT) |
#define PAGE_KERNEL (0 << PAGE_USER_SHIFT) |
#define PAGE_READ (1 << PAGE_READ_SHIFT) |
#define PAGE_WRITE (1 << PAGE_WRITE_SHIFT) |
#define PAGE_EXEC (1 << PAGE_EXEC_SHIFT) |
#define PAGE_GLOBAL (1 << PAGE_GLOBAL_SHIFT) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/mm/asid.h |
---|
0,0 → 1,89 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericmm |
* @{ |
*/ |
/** @file |
*/ |
/* |
* This is generic interface for managing |
* Address Space IDentifiers (ASIDs). |
*/ |
#ifndef KERN_ASID_H_ |
#define KERN_ASID_H_ |
#ifndef __ASM__ |
#include <arch/mm/asid.h> |
#include <synch/spinlock.h> |
#include <adt/list.h> |
#include <mm/as.h> |
#endif |
#define ASID_KERNEL 0 |
#define ASID_INVALID 1 |
#define ASID_START 2 |
#define ASID_MAX ASID_MAX_ARCH |
#ifndef __ASM__ |
#define ASIDS_ALLOCABLE ((ASID_MAX + 1) - ASID_START) |
SPINLOCK_EXTERN(asidlock); |
extern link_t as_with_asid_head; |
#ifndef asid_get |
extern asid_t asid_get(void); |
#endif /* !def asid_get */ |
#ifndef asid_put |
extern void asid_put(asid_t asid); |
#endif /* !def asid_put */ |
#ifndef asid_install |
extern void asid_install(as_t *as); |
#endif /* !def asid_install */ |
#ifndef asid_find_free |
extern asid_t asid_find_free(void); |
#endif /* !def asid_find_free */ |
#ifndef asid_put_arch |
extern void asid_put_arch(asid_t asid); |
#endif /* !def asid_put_arch */ |
#endif |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/ipc/event.h |
---|
0,0 → 1,79 |
/* |
* Copyright (c) 2009 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_EVENT_H_ |
#define KERN_EVENT_H_ |
#include <ipc/event_types.h> |
#include <arch/types.h> |
#include <synch/spinlock.h> |
#include <ipc/ipc.h> |
/** Event notification structure. */ |
typedef struct { |
SPINLOCK_DECLARE(lock); |
/** Answerbox for notifications. */ |
answerbox_t *answerbox; |
/** Method to be used for the notification. */ |
unative_t method; |
/** Counter. */ |
size_t counter; |
} event_t; |
extern void event_init(void); |
extern unative_t sys_event_subscribe(unative_t, unative_t); |
extern bool event_is_subscribed(event_type_t); |
extern void event_cleanup_answerbox(answerbox_t *); |
#define event_notify_0(e) \ |
event_notify((e), 0, 0, 0, 0, 0) |
#define event_notify_1(e, a1) \ |
event_notify((e), (a1), 0, 0, 0, 0) |
#define event_notify_2(e, a1, a2) \ |
event_notify((e), (a1), (a2), 0, 0, 0) |
#define event_notify_3(e, a1, a2, a3) \ |
event_notify((e), (a1), (a2), (a3), 0, 0) |
#define event_notify_4(e, a1, a2, a3, a4) \ |
event_notify((e), (a1), (a2), (a3), (a4), 0) |
#define event_notify_5(e, a1, a2, a3, a4, a5) \ |
event_notify((e), (a1), (a2), (a3), (a4), (a5)) |
extern void event_notify(event_type_t, unative_t, unative_t, unative_t, |
unative_t, unative_t); |
#endif |
/** @} |
*/ |
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/generic/include/ipc/event_types.h |
---|
0,0 → 1,53 |
/* |
* Copyright (c) 2009 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_EVENT_TYPES_H_ |
#define KERN_EVENT_TYPES_H_ |
typedef enum event_type { |
EVENT_KLOG = 0, |
EVENT_KCONSOLE, |
EVENT_WAIT, |
EVENT_END |
} event_type_t; |
typedef enum wait_type { |
TASK_CREATE = 0, |
TASK_DESTROY |
} wait_type_t; |
#endif |
/** @} |
*/ |
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/generic/include/ipc/ipc.h |
---|
0,0 → 1,345 |
/* |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericipc |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_IPC_H_ |
#define KERN_IPC_H_ |
/* Length of data being transfered with IPC call */ |
/* - the uspace may not be able to utilize full length */ |
#define IPC_CALL_LEN 6 |
/** Maximum active async calls per thread */ |
#ifdef CONFIG_DEBUG |
#define IPC_MAX_ASYNC_CALLS 4 |
#else |
#define IPC_MAX_ASYNC_CALLS 4000 |
#endif |
/* Flags for calls */ |
/** This is answer to a call */ |
#define IPC_CALL_ANSWERED (1 << 0) |
/** This call will not be freed on error */ |
#define IPC_CALL_STATIC_ALLOC (1 << 1) |
/** Answer will not be passed to userspace, will be discarded */ |
#define IPC_CALL_DISCARD_ANSWER (1 << 2) |
/** Call was forwarded */ |
#define IPC_CALL_FORWARDED (1 << 3) |
/** Identify connect_me_to answer */ |
#define IPC_CALL_CONN_ME_TO (1 << 4) |
/** Interrupt notification */ |
#define IPC_CALL_NOTIF (1 << 5) |
/* |
* Bits used in call hashes. |
* The addresses are aligned at least to 4 that is why we can use the 2 least |
* significant bits of the call address. |
*/ |
/** Type of this call is 'answer' */ |
#define IPC_CALLID_ANSWERED 1 |
/** Type of this call is 'notification' */ |
#define IPC_CALLID_NOTIFICATION 2 |
/* Return values from sys_ipc_call_async(). */ |
#define IPC_CALLRET_FATAL -1 |
#define IPC_CALLRET_TEMPORARY -2 |
/* Macros for manipulating calling data */ |
#define IPC_SET_RETVAL(data, retval) ((data).args[0] = (retval)) |
#define IPC_SET_METHOD(data, val) ((data).args[0] = (val)) |
#define IPC_SET_ARG1(data, val) ((data).args[1] = (val)) |
#define IPC_SET_ARG2(data, val) ((data).args[2] = (val)) |
#define IPC_SET_ARG3(data, val) ((data).args[3] = (val)) |
#define IPC_SET_ARG4(data, val) ((data).args[4] = (val)) |
#define IPC_SET_ARG5(data, val) ((data).args[5] = (val)) |
#define IPC_GET_METHOD(data) ((data).args[0]) |
#define IPC_GET_RETVAL(data) ((data).args[0]) |
#define IPC_GET_ARG1(data) ((data).args[1]) |
#define IPC_GET_ARG2(data) ((data).args[2]) |
#define IPC_GET_ARG3(data) ((data).args[3]) |
#define IPC_GET_ARG4(data) ((data).args[4]) |
#define IPC_GET_ARG5(data) ((data).args[5]) |
/* Well known phone descriptors */ |
#define PHONE_NS 0 |
/* Forwarding flags. */ |
#define IPC_FF_NONE 0 |
/** |
* The call will be routed as though it was initially sent via the phone used to |
* forward it. This feature is intended to support the situation in which the |
* forwarded call needs to be handled by the same connection fibril as any other |
* calls that were initially sent by the forwarder to the same destination. This |
* flag has no imapct on routing replies. |
*/ |
#define IPC_FF_ROUTE_FROM_ME (1 << 0) |
/* System-specific methods - only through special syscalls |
* These methods have special behaviour |
*/ |
/** Clone connection. |
* |
* The calling task clones one of its phones for the callee. |
* |
* - ARG1 - The caller sets ARG1 to the phone of the cloned connection. |
* - The callee gets the new phone from ARG1. |
* - on answer, the callee acknowledges the new connection by sending EOK back |
* or the kernel closes it |
*/ |
#define IPC_M_CONNECTION_CLONE 1 |
/** Protocol for CONNECT - ME |
* |
* Through this call, the recipient learns about the new cloned connection. |
* |
* - ARG5 - the kernel sets ARG5 to contain the hash of the used phone |
* - on asnwer, the callee acknowledges the new connection by sending EOK back |
* or the kernel closes it |
*/ |
#define IPC_M_CONNECT_ME 2 |
/** Protocol for CONNECT - TO - ME |
* |
* Calling process asks the callee to create a callback connection, |
* so that it can start initiating new messages. |
* |
* The protocol for negotiating is: |
* - sys_connect_to_me - sends a message IPC_M_CONNECT_TO_ME |
* - recipient - upon receipt tries to allocate new phone |
* - if it fails, responds with ELIMIT |
* - passes call to userspace. If userspace |
* responds with error, phone is deallocated and |
* error is sent back to caller. Otherwise |
* the call is accepted and the response is sent back. |
* - the allocated phoneid is passed to userspace |
* (on the receiving side) as ARG5 of the call. |
*/ |
#define IPC_M_CONNECT_TO_ME 3 |
/** Protocol for CONNECT - ME - TO |
* |
* Calling process asks the callee to create for him a new connection. |
* E.g. the caller wants a name server to connect him to print server. |
* |
* The protocol for negotiating is: |
* - sys_connect_me_to - send a synchronous message to name server |
* indicating that it wants to be connected to some |
* service |
* - arg1/2/3 are user specified, arg5 contains |
* address of the phone that should be connected |
* (TODO: it leaks to userspace) |
* - recipient - if ipc_answer == 0, then accept connection |
* - otherwise connection refused |
* - recepient may forward message. |
* |
*/ |
#define IPC_M_CONNECT_ME_TO 4 |
/** This message is sent to answerbox when the phone |
* is hung up |
*/ |
#define IPC_M_PHONE_HUNGUP 5 |
/** Send as_area over IPC. |
* - ARG1 - source as_area base address |
* - ARG2 - size of source as_area (filled automatically by kernel) |
* - ARG3 - flags of the as_area being sent |
* |
* on answer, the recipient must set: |
* - ARG1 - dst as_area base adress |
*/ |
#define IPC_M_SHARE_OUT 6 |
/** Receive as_area over IPC. |
* - ARG1 - destination as_area base address |
* - ARG2 - destination as_area size |
* - ARG3 - user defined argument |
* |
* on answer, the recipient must set: |
* |
* - ARG1 - source as_area base address |
* - ARG2 - flags that will be used for sharing |
*/ |
#define IPC_M_SHARE_IN 7 |
/** Send data to another address space over IPC. |
* - ARG1 - source address space virtual address |
* - ARG2 - size of data to be copied, may be overriden by the recipient |
* |
* on answer, the recipient must set: |
* |
* - ARG1 - final destination address space virtual address |
* - ARG2 - final size of data to be copied |
*/ |
#define IPC_M_DATA_WRITE 8 |
/** Receive data from another address space over IPC. |
* - ARG1 - destination virtual address in the source address space |
* - ARG2 - size of data to be received, may be cropped by the recipient |
* |
* on answer, the recipient must set: |
* |
* - ARG1 - source virtual address in the destination address space |
* - ARG2 - final size of data to be copied |
*/ |
#define IPC_M_DATA_READ 9 |
/** Debug the recipient. |
* - ARG1 - specifies the debug method (from udebug_method_t) |
* - other arguments are specific to the debug method |
*/ |
#define IPC_M_DEBUG_ALL 10 |
/* Well-known methods */ |
#define IPC_M_LAST_SYSTEM 511 |
#define IPC_M_PING 512 |
/* User methods */ |
#define IPC_FIRST_USER_METHOD 1024 |
#ifdef KERNEL |
#define IPC_MAX_PHONES 16 |
#include <synch/spinlock.h> |
#include <synch/mutex.h> |
#include <synch/waitq.h> |
struct answerbox; |
struct task; |
typedef enum { |
/** Phone is free and can be allocated */ |
IPC_PHONE_FREE = 0, |
/** Phone is connecting somewhere */ |
IPC_PHONE_CONNECTING, |
/** Phone is connected */ |
IPC_PHONE_CONNECTED, |
/** Phone is hung up, waiting for answers to come */ |
IPC_PHONE_HUNGUP, |
/** Phone was hungup from server */ |
IPC_PHONE_SLAMMED |
} ipc_phone_state_t; |
/** Structure identifying phone (in TASK structure) */ |
typedef struct { |
mutex_t lock; |
link_t link; |
struct answerbox *callee; |
ipc_phone_state_t state; |
atomic_t active_calls; |
} phone_t; |
typedef struct answerbox { |
SPINLOCK_DECLARE(lock); |
struct task *task; |
waitq_t wq; |
/** Phones connected to this answerbox. */ |
link_t connected_phones; |
/** Received calls. */ |
link_t calls; |
link_t dispatched_calls; /* Should be hash table in the future */ |
/** Answered calls. */ |
link_t answers; |
SPINLOCK_DECLARE(irq_lock); |
/** Notifications from IRQ handlers. */ |
link_t irq_notifs; |
/** IRQs with notifications to this answerbox. */ |
link_t irq_head; |
} answerbox_t; |
typedef struct { |
unative_t args[IPC_CALL_LEN]; |
phone_t *phone; |
} ipc_data_t; |
typedef struct { |
link_t link; |
int flags; |
/** Identification of the caller. */ |
struct task *sender; |
/** The caller box is different from sender->answerbox for synchronous |
* calls. */ |
answerbox_t *callerbox; |
/** Private data to internal IPC. */ |
unative_t priv; |
/** Data passed from/to userspace. */ |
ipc_data_t data; |
/** Buffer for IPC_M_DATA_WRITE and IPC_M_DATA_READ. */ |
uint8_t *buffer; |
/* |
* The forward operation can masquerade the caller phone. For those |
* cases, we must keep it aside so that the answer is processed |
* correctly. |
*/ |
phone_t *caller_phone; |
} call_t; |
extern void ipc_init(void); |
extern call_t * ipc_wait_for_call(answerbox_t *, uint32_t, int); |
extern void ipc_answer(answerbox_t *, call_t *); |
extern int ipc_call(phone_t *, call_t *); |
extern int ipc_call_sync(phone_t *, call_t *); |
extern void ipc_phone_init(phone_t *); |
extern void ipc_phone_connect(phone_t *, answerbox_t *); |
extern void ipc_call_free(call_t *); |
extern call_t * ipc_call_alloc(int); |
extern void ipc_answerbox_init(answerbox_t *, struct task *); |
extern void ipc_call_static_init(call_t *); |
extern void task_print_list(void); |
extern int ipc_forward(call_t *, phone_t *, answerbox_t *, int); |
extern void ipc_cleanup(void); |
extern int ipc_phone_hangup(phone_t *); |
extern void ipc_backsend_err(phone_t *, call_t *, unative_t); |
extern void ipc_print_task(task_id_t); |
extern void ipc_answerbox_slam_phones(answerbox_t *, bool); |
extern void ipc_cleanup_call_list(link_t *); |
extern answerbox_t *ipc_phone_0; |
#endif |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/ipc/ipcrsc.h |
---|
0,0 → 1,49 |
/* |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericipc |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_IPCRSC_H_ |
#define KERN_IPCRSC_H_ |
#include <proc/task.h> |
#include <ipc/ipc.h> |
extern call_t * get_call(unative_t callid); |
extern int phone_alloc(task_t *t); |
extern void phone_connect(int phoneid, answerbox_t *box); |
extern void phone_dealloc(int phoneid); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/ipc/irq.h |
---|
0,0 → 1,78 |
/* |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericipc |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_IPC_IRQ_H_ |
#define KERN_IPC_IRQ_H_ |
/** Maximum length of IPC IRQ program */ |
#define IRQ_MAX_PROG_SIZE 20 |
#include <ipc/ipc.h> |
#include <ddi/irq.h> |
#include <arch/types.h> |
#include <adt/list.h> |
extern int ipc_irq_register(answerbox_t *, inr_t, devno_t, unative_t, |
irq_code_t *); |
extern irq_ownership_t ipc_irq_top_half_claim(irq_t *); |
extern void ipc_irq_top_half_handler(irq_t *); |
extern int ipc_irq_unregister(answerbox_t *, inr_t, devno_t); |
extern void ipc_irq_cleanup(answerbox_t *); |
/* |
* User friendly wrappers for ipc_irq_send_msg(). They are in the form |
* ipc_irq_send_msg_m(), where m is the number of payload arguments. |
*/ |
#define ipc_irq_send_msg_0(irq) \ |
ipc_irq_send_msg((irq), 0, 0, 0, 0, 0) |
#define ipc_irq_send_msg_1(irq, a1) \ |
ipc_irq_send_msg((irq), (a1), 0, 0, 0, 0) |
#define ipc_irq_send_msg_2(irq, a1, a2) \ |
ipc_irq_send_msg((irq), (a1), (a2), 0, 0, 0) |
#define ipc_irq_send_msg_3(irq, a1, a2, a3) \ |
ipc_irq_send_msg((irq), (a1), (a2), (a3), 0, 0) |
#define ipc_irq_send_msg_4(irq, a1, a2, a3, a4) \ |
ipc_irq_send_msg((irq), (a1), (a2), (a3), (a4), 0) |
#define ipc_irq_send_msg_5(irq, a1, a2, a3, a4, a5) \ |
ipc_irq_send_msg((irq), (a1), (a2), (a3), (a4), (a5)) |
extern void ipc_irq_send_msg(irq_t *, unative_t, unative_t, unative_t, unative_t, |
unative_t); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/ipc/sysipc.h |
---|
0,0 → 1,67 |
/* |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericipc |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_SYSIPC_H_ |
#define KERN_SYSIPC_H_ |
#include <ipc/ipc.h> |
#include <ipc/irq.h> |
#include <arch/types.h> |
unative_t sys_ipc_call_sync_fast(unative_t phoneid, unative_t method, |
unative_t arg1, unative_t arg2, unative_t arg3, ipc_data_t *data); |
unative_t sys_ipc_call_sync_slow(unative_t phoneid, ipc_data_t *question, |
ipc_data_t *reply); |
unative_t sys_ipc_call_async_fast(unative_t phoneid, unative_t method, |
unative_t arg1, unative_t arg2, unative_t arg3, unative_t arg4); |
unative_t sys_ipc_call_async_slow(unative_t phoneid, ipc_data_t *data); |
unative_t sys_ipc_answer_fast(unative_t callid, unative_t retval, |
unative_t arg1, unative_t arg2, unative_t arg3, unative_t arg4); |
unative_t sys_ipc_answer_slow(unative_t callid, ipc_data_t *data); |
unative_t sys_ipc_wait_for_call(ipc_data_t *calldata, uint32_t usec, |
int nonblocking); |
unative_t sys_ipc_forward_fast(unative_t callid, unative_t phoneid, |
unative_t method, unative_t arg1, unative_t arg2, int mode); |
unative_t sys_ipc_forward_slow(unative_t callid, unative_t phoneid, |
ipc_data_t *data, int mode); |
unative_t sys_ipc_hangup(int phoneid); |
unative_t sys_ipc_register_irq(inr_t inr, devno_t devno, unative_t method, |
irq_code_t *ucode); |
unative_t sys_ipc_unregister_irq(inr_t inr, devno_t devno); |
unative_t sys_ipc_connect_kbox(sysarg64_t *task_id); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/ipc/kbox.h |
---|
0,0 → 1,58 |
/* |
* Copyright (c) 2008 Jiri Svoboda |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericipc |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_IPC_KBOX_H_ |
#define KERN_IPC_KBOX_H_ |
#include <typedefs.h> |
/** Kernel answerbox structure. */ |
typedef struct kbox { |
/** The answerbox itself. */ |
answerbox_t box; |
/** Thread used to service the answerbox. */ |
struct thread *thread; |
/** Kbox thread creation vs. begin of cleanup mutual exclusion. */ |
mutex_t cleanup_lock; |
/** True if cleanup of kbox has already started. */ |
bool finished; |
} kbox_t; |
extern int ipc_connect_kbox(task_id_t); |
extern void ipc_kbox_cleanup(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/sort.h |
---|
0,0 → 1,57 |
/* |
* Copyright (c) 2005 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_SORT_H_ |
#define KERN_SORT_H_ |
#include <arch/types.h> |
/* |
* sorting routines |
*/ |
extern void bubblesort(void * data, size_t n, size_t e_size, int (* cmp) (void * a, void * b)); |
extern void qsort(void * data, size_t n, size_t e_size, int (* cmp) (void * a, void * b)); |
/* |
* default sorting comparators |
*/ |
extern int int_cmp(void * a, void * b); |
extern int uint32_t_cmp(void * a, void * b); |
extern int uint16_t_cmp(void * a, void * b); |
extern int uint8_t_cmp(void * a, void * b); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/macros.h |
---|
0,0 → 1,108 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_MACROS_H_ |
#define KERN_MACROS_H_ |
#ifndef __ASM__ |
#include <arch/types.h> |
/** Return true if the intervals overlap. |
* |
* @param s1 Start address of the first interval. |
* @param sz1 Size of the first interval. |
* @param s2 Start address of the second interval. |
* @param sz2 Size of the second interval. |
*/ |
static inline int overlaps(uintptr_t s1, size_t sz1, uintptr_t s2, size_t sz2) |
{ |
uintptr_t e1 = s1 + sz1; |
uintptr_t e2 = s2 + sz2; |
return ((s1 < e2) && (s2 < e1)); |
} |
#endif /* __ASM__ */ |
#define isdigit(d) (((d) >= '0') && ((d) <= '9')) |
#define islower(c) (((c) >= 'a') && ((c) <= 'z')) |
#define isupper(c) (((c) >= 'A') && ((c) <= 'Z')) |
#define isalpha(c) (is_lower((c)) || is_upper((c))) |
#define isalphanum(c) (is_alpha((c)) || is_digit((c))) |
#define isspace(c) \ |
(((c) == ' ') || ((c) == '\t') || ((c) == '\n') || ((c) == '\r')) |
#define min(a, b) ((a) < (b) ? (a) : (b)) |
#define max(a, b) ((a) > (b) ? (a) : (b)) |
#define min3(a, b, c) ((a) < (b) ? (min(a, c)) : (min(b, c))) |
#define max3(a, b, c) ((a) > (b) ? (max(a, c)) : (max(b, c))) |
/* Compute overlapping of physical addresses */ |
#define PA_overlaps(x, szx, y, szy) \ |
overlaps(KA2PA((x)), (szx), KA2PA((y)), (szy)) |
#define SIZE2KB(size) ((size) >> 10) |
#define SIZE2MB(size) ((size) >> 20) |
#define KB2SIZE(kb) ((kb) << 10) |
#define MB2SIZE(mb) ((mb) << 20) |
#define STRING(arg) STRING_ARG(arg) |
#define STRING_ARG(arg) #arg |
#define LOWER32(arg) ((arg) & 0xffffffff) |
#define UPPER32(arg) (((arg) >> 32) & 0xffffffff) |
#define MERGE_LOUP32(lo, up) \ |
((((uint64_t) (lo)) & 0xffffffff) \ |
| ((((uint64_t) (up)) & 0xffffffff) << 32)) |
/** Pseudorandom generator |
* |
* A pretty standard linear congruential pseudorandom |
* number generator (m = 2^32 or 2^64 depending on architecture). |
* |
*/ |
#define RANDI(seed) \ |
({ \ |
(seed) = 1103515245 * (seed) + 12345; \ |
(seed); \ |
}) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/sysinfo/sysinfo.h |
---|
0,0 → 1,92 |
/* |
* Copyright (c) 2006 Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_SYSINFO_H_ |
#define KERN_SYSINFO_H_ |
#include <arch/types.h> |
#include <string.h> |
typedef union sysinfo_item_val { |
unative_t val; |
void *fn; |
} sysinfo_item_val_t; |
typedef struct sysinfo_item { |
char *name; |
union { |
unative_t val; |
void *fn; |
} val; |
union { |
struct sysinfo_item *table; |
void *fn; |
} subinfo; |
struct sysinfo_item *next; |
int val_type; |
int subinfo_type; |
} sysinfo_item_t; |
#define SYSINFO_VAL_VAL 0 |
#define SYSINFO_VAL_FUNCTION 1 |
#define SYSINFO_VAL_UNDEFINED U_SPECIAL |
#define SYSINFO_SUBINFO_NONE 0 |
#define SYSINFO_SUBINFO_TABLE 1 |
#define SYSINFO_SUBINFO_FUNCTION 2 |
typedef unative_t (*sysinfo_val_fn_t)(sysinfo_item_t *root); |
typedef unative_t (*sysinfo_subinfo_fn_t)(const char *subname); |
typedef struct sysinfo_rettype { |
unative_t val; |
unative_t valid; |
} sysinfo_rettype_t; |
void sysinfo_set_item_val(const char *name, sysinfo_item_t **root, unative_t val); |
void sysinfo_dump(sysinfo_item_t **root, int depth); |
void sysinfo_set_item_function(const char *name, sysinfo_item_t **root, sysinfo_val_fn_t fn); |
void sysinfo_set_item_undefined(const char *name, sysinfo_item_t **root); |
sysinfo_rettype_t sysinfo_get_val(const char *name, sysinfo_item_t **root); |
unative_t sys_sysinfo_valid(unative_t ptr, unative_t len); |
unative_t sys_sysinfo_value(unative_t ptr, unative_t len); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/printf/printf_core.h |
---|
0,0 → 1,58 |
/* |
* Copyright (c) 2006 Josef Cejka |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_PRINTF_CORE_H_ |
#define KERN_PRINTF_CORE_H_ |
#include <typedefs.h> |
#include <arch/arg.h> |
/** Structure for specifying output methods for different printf clones. */ |
typedef struct { |
/* String output function, returns number of printed characters or EOF */ |
int (*str_write)(const char *, size_t, void *); |
/* Wide string output function, returns number of printed characters or EOF */ |
int (*wstr_write)(const wchar_t *, size_t, void *); |
/* User data - output stream specification, state, locks, etc. */ |
void *data; |
} printf_spec_t; |
int printf_core(const char *fmt, printf_spec_t *ps, va_list ap); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/print.h |
---|
0,0 → 1,57 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_PRINT_H_ |
#define KERN_PRINT_H_ |
#include <arch/types.h> |
#include <synch/spinlock.h> |
#include <arch/arg.h> |
/* We need this address in spinlock to avoid deadlock in deadlock detection */ |
SPINLOCK_EXTERN(printf_lock); |
#define EOF (-1) |
extern int puts(const char *s); |
extern int printf(const char *fmt, ...); |
extern int snprintf(char *str, size_t size, const char *fmt, ...); |
extern int vprintf(const char *fmt, va_list ap); |
extern int vsnprintf(char *str, size_t size, const char *fmt, va_list ap); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/putchar.h |
---|
0,0 → 1,43 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_PUTCHAR_H_ |
#define KERN_PUTCHAR_H_ |
extern void putchar(const wchar_t ch); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/syscall/syscall.h |
---|
0,0 → 1,108 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_SYSCALL_H_ |
#define KERN_SYSCALL_H_ |
typedef enum { |
SYS_KLOG = 0, |
SYS_TLS_SET = 1, /* Hardcoded in AMD64, IA32 uspace - fibril.S */ |
SYS_THREAD_CREATE, |
SYS_THREAD_EXIT, |
SYS_THREAD_GET_ID, |
SYS_TASK_GET_ID, |
SYS_TASK_SET_NAME, |
SYS_PROGRAM_SPAWN_LOADER, |
SYS_FUTEX_SLEEP, |
SYS_FUTEX_WAKEUP, |
SYS_SMC_COHERENCE, |
SYS_AS_AREA_CREATE, |
SYS_AS_AREA_RESIZE, |
SYS_AS_AREA_CHANGE_FLAGS, |
SYS_AS_AREA_DESTROY, |
SYS_IPC_CALL_SYNC_FAST, |
SYS_IPC_CALL_SYNC_SLOW, |
SYS_IPC_CALL_ASYNC_FAST, |
SYS_IPC_CALL_ASYNC_SLOW, |
SYS_IPC_ANSWER_FAST, |
SYS_IPC_ANSWER_SLOW, |
SYS_IPC_FORWARD_FAST, |
SYS_IPC_FORWARD_SLOW, |
SYS_IPC_WAIT, |
SYS_IPC_HANGUP, |
SYS_IPC_REGISTER_IRQ, |
SYS_IPC_UNREGISTER_IRQ, |
SYS_EVENT_SUBSCRIBE, |
SYS_CAP_GRANT, |
SYS_CAP_REVOKE, |
SYS_DEVICE_ASSIGN_DEVNO, |
SYS_PHYSMEM_MAP, |
SYS_IOSPACE_ENABLE, |
SYS_PREEMPT_CONTROL, |
SYS_SYSINFO_VALID, |
SYS_SYSINFO_VALUE, |
SYS_DEBUG_ENABLE_CONSOLE, |
SYS_DEBUG_DISABLE_CONSOLE, |
SYS_IPC_CONNECT_KBOX, |
SYSCALL_END |
} syscall_t; |
#ifdef KERNEL |
#include <arch/types.h> |
typedef unative_t (*syshandler_t)(unative_t, unative_t, unative_t, unative_t, |
unative_t, unative_t); |
extern syshandler_t syscall_table[SYSCALL_END]; |
extern unative_t syscall_handler(unative_t, unative_t, unative_t, unative_t, |
unative_t, unative_t, unative_t); |
extern unative_t sys_tls_set(unative_t); |
#endif |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/syscall/copy.h |
---|
0,0 → 1,58 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_COPY_H_ |
#define KERN_COPY_H_ |
#include <arch/types.h> |
/** Label within memcpy_from_uspace() that contains return -1. */ |
extern char memcpy_from_uspace_failover_address; |
/** Label within memcpy_to_uspace() that contains return -1. */ |
extern char memcpy_to_uspace_failover_address; |
extern int copy_from_uspace(void *dst, const void *uspace_src, size_t size); |
extern int copy_to_uspace(void *dst_uspace, const void *src, size_t size); |
/* |
* This interface must be implemented by each architecture. |
*/ |
extern int memcpy_from_uspace(void *dst, const void *uspace_src, size_t size); |
extern int memcpy_to_uspace(void *uspace_dst, const void *src, size_t size); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/syscall/sysarg64.h |
---|
0,0 → 1,48 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** |
* @file |
* @brief Wrapper for explicit 64-bit arguments passed to syscalls. |
*/ |
#ifndef KERN_SYSARG64_H_ |
#define KERN_SYSARG64_H_ |
typedef struct { |
unsigned long long value; |
} sysarg64_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/typedefs.h |
---|
0,0 → 1,63 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_TYPEDEFS_H_ |
#define KERN_TYPEDEFS_H_ |
#include <arch/types.h> |
#define NULL 0 |
#define false 0 |
#define true 1 |
typedef void (* function)(); |
typedef uint8_t bool; |
typedef uint64_t thread_id_t; |
typedef uint64_t task_id_t; |
typedef uint32_t context_id_t; |
typedef int32_t inr_t; |
typedef int32_t devno_t; |
typedef int32_t wchar_t; |
typedef volatile uint8_t ioport8_t; |
typedef volatile uint16_t ioport16_t; |
typedef volatile uint32_t ioport32_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/errno.h |
---|
0,0 → 1,67 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ERRNO_H_ |
#define KERN_ERRNO_H_ |
/* 1-255 are kernel error codes, 256-512 are user error codes */ |
#define EOK 0 /* No error */ |
#define ENOENT -1 /* No such entry */ |
#define ENOMEM -2 /* Not enough memory */ |
#define ELIMIT -3 /* Limit exceeded */ |
#define EREFUSED -4 /* Connection refused */ |
#define EFORWARD -5 /* Forward error */ |
#define EPERM -6 /* Permission denied */ |
#define EHANGUP -7 /* Answerbox closed connection, call |
* sys_ipc_hangup() to close the connection. |
* Used by answerbox to close the connection. |
*/ |
#define EPARTY -8 /* The other party encountered an error when |
* receiving the call. |
*/ |
#define EEXISTS -9 /* Entry already exists */ |
#define EBADMEM -10 /* Bad memory pointer */ |
#define ENOTSUP -11 /* Not supported */ |
#define EADDRNOTAVAIL -12 /* Address not available. */ |
#define ETIMEOUT -13 /* Timeout expired */ |
#define EINVAL -14 /* Invalid value */ |
#define EBUSY -15 /* Resource is busy */ |
#define EOVERFLOW -16 /* The result does not fit its size. */ |
#define EINTR -17 /* Operation was interrupted. */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/func.h |
---|
0,0 → 1,50 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_FUNC_H_ |
#define KERN_FUNC_H_ |
#include <arch/types.h> |
#include <atomic.h> |
extern atomic_t haltstate; |
extern void halt(void); |
extern unative_t atoi(const char *text); |
extern void order(const uint64_t val, uint64_t *rv, char *suffix); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/memstr.h |
---|
0,0 → 1,52 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_MEMSTR_H_ |
#define KERN_MEMSTR_H_ |
#include <arch/types.h> |
#include <arch/memstr.h> |
/* |
* Architecture independent variants. |
*/ |
extern void *_memcpy(void *dst, const void *src, size_t cnt); |
extern void _memsetb(void *dst, size_t cnt, uint8_t x); |
extern void _memsetw(void *dst, size_t cnt, uint16_t x); |
extern void *memmove(void *dst, const void *src, size_t cnt); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/main/main.h |
---|
0,0 → 1,48 |
/* |
* Copyright (c) 2006 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup main |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_MAIN_H_ |
#define KERN_MAIN_H_ |
#include <arch/types.h> |
extern uintptr_t stack_safe; |
extern void main_bsp(void); |
extern void main_ap(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/main/kinit.h |
---|
0,0 → 1,43 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup main |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_KINIT_H_ |
#define KERN_KINIT_H_ |
extern void kinit(void *arg); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/main/version.h |
---|
0,0 → 1,44 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup main |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_VERSION_H_ |
#define KERN_VERSION_H_ |
extern void version_print(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/main/uinit.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup main |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_UINIT_H_ |
#define KERN_UINIT_H_ |
#include <arch/types.h> |
extern void uinit(void *arg); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/align.h |
---|
0,0 → 1,59 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @ingroup others |
* @{ |
*/ |
/** |
* @file |
* @brief Macros for making values and addresses aligned. |
*/ |
#ifndef KERN_ALIGN_H_ |
#define KERN_ALIGN_H_ |
/** Align to the nearest lower address. |
* |
* @param s Address or size to be aligned. |
* @param a Size of alignment, must be power of 2. |
*/ |
#define ALIGN_DOWN(s, a) ((s) & ~((a) - 1)) |
/** Align to the nearest higher address. |
* |
* @param s Address or size to be aligned. |
* @param a Size of alignment, must be power of 2. |
*/ |
#define ALIGN_UP(s, a) (((s) + ((a) - 1)) & ~((a) - 1)) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/fpu_context.h |
---|
0,0 → 1,49 |
/* |
* Copyright (c) 2005 Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_FPU_CONTEXT_H_ |
#define KERN_FPU_CONTEXT_H_ |
#include <arch/fpu_context.h> |
extern void fpu_context_save(fpu_context_t *); |
extern void fpu_context_restore(fpu_context_t *); |
extern void fpu_init(void); |
extern void fpu_enable(void); |
extern void fpu_disable(void); |
#endif /* KERN_FPU_CONTEXT_H_ */ |
/** @} |
*/ |
/branches/arm/kernel/generic/include/interrupt.h |
---|
0,0 → 1,65 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericinterrupt |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_INTERRUPT_H_ |
#define KERN_INTERRUPT_H_ |
#include <arch/interrupt.h> |
#include <arch/types.h> |
#include <proc/task.h> |
#include <proc/thread.h> |
#include <arch.h> |
#include <ddi/irq.h> |
typedef void (* iroutine)(int n, istate_t *istate); |
#define fault_if_from_uspace(istate, fmt, ...) \ |
{ \ |
if (istate_from_uspace(istate)) { \ |
task_t *task = TASK; \ |
printf("Task %s (%" PRIu64 ") killed due to an exception at %p: ", task->name, task->taskid, istate_get_pc(istate)); \ |
printf(fmt "\n", ##__VA_ARGS__); \ |
task_kill(task->taskid); \ |
thread_exit(); \ |
} \ |
} |
extern iroutine exc_register(int n, const char *name, iroutine f); |
extern void exc_dispatch(int n, istate_t *t); |
void exc_init(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/debug.h |
---|
0,0 → 1,105 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericdebug |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_DEBUG_H_ |
#define KERN_DEBUG_H_ |
#include <panic.h> |
#include <arch/debug.h> |
#define CALLER ((uintptr_t) __builtin_return_address(0)) |
#ifndef HERE |
/** Current Instruction Pointer address */ |
# define HERE ((uintptr_t *) 0) |
#endif |
/** Debugging ASSERT macro |
* |
* If CONFIG_DEBUG is set, the ASSERT() macro |
* evaluates expr and if it is false raises |
* kernel panic. |
* |
* @param expr Expression which is expected to be true. |
* |
*/ |
#ifdef CONFIG_DEBUG |
# define ASSERT(expr) \ |
if (!(expr)) { \ |
panic("Assertion failed (%s), caller=%p.", #expr, CALLER); \ |
} |
#else |
# define ASSERT(expr) |
#endif |
/** Extensive logging output macro |
* |
* If CONFIG_LOG is set, the LOG() macro |
* will print whatever message is indicated plus |
* an information about the location. |
* |
*/ |
#ifdef CONFIG_LOG |
# define LOG(format, ...) \ |
printf("%s() at %s:%u: " format "\n", __func__, __FILE__, \ |
__LINE__, ##__VA_ARGS__); |
#else |
# define LOG(format, ...) |
#endif |
/** Extensive logging execute macro |
* |
* If CONFIG_LOG is set, the LOG_EXEC() macro |
* will print an information about calling a given |
* function and call it. |
* |
*/ |
#ifdef CONFIG_LOG |
# define LOG_EXEC(fnc) \ |
{ \ |
printf("%s() at %s:%u: " #fnc "\n", __func__, __FILE__, \ |
__LINE__); \ |
fnc; \ |
} |
#else |
# define LOG_EXEC(fnc) fnc |
#endif |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/panic.h |
---|
0,0 → 1,52 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_PANIC_H_ |
#define KERN_PANIC_H_ |
#ifdef CONFIG_DEBUG |
# define panic(format, ...) \ |
panic_printf("Kernel panic in %s() at %s:%u: " format "\n", \ |
__func__, __FILE__, __LINE__, ##__VA_ARGS__); |
#else |
# define panic(format, ...) \ |
panic_printf("Kernel panic: " format "\n", ##__VA_ARGS__); |
#endif |
extern void panic_printf(char *fmt, ...) __attribute__((noreturn)); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/udebug/udebug.h |
---|
0,0 → 1,210 |
/* |
* Copyright (c) 2008 Jiri Svoboda |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_UDEBUG_H_ |
#define KERN_UDEBUG_H_ |
#include <ipc/ipc.h> |
typedef enum { /* udebug_method_t */ |
/** Start debugging the recipient. |
* Causes all threads in the receiving task to stop. When they |
* are all stoped, an answer with retval 0 is generated. |
*/ |
UDEBUG_M_BEGIN = 1, |
/** Finish debugging the recipient. |
* Answers all pending GO and GUARD messages. |
*/ |
UDEBUG_M_END, |
/** Set which events should be captured. |
*/ |
UDEBUG_M_SET_EVMASK, |
/** Make sure the debugged task is still there. |
* This message is answered when the debugged task dies |
* or the debugging session ends. |
*/ |
UDEBUG_M_GUARD, |
/** Run a thread until a debugging event occurs. |
* This message is answered when the thread stops |
* in a debugging event. |
* |
* - ARG2 - id of the thread to run |
*/ |
UDEBUG_M_GO, |
/** Stop a thread being debugged. |
* Creates a special STOP event in the thread, causing |
* it to answer a pending GO message (if any). |
*/ |
UDEBUG_M_STOP, |
/** Read arguments of a syscall. |
* |
* - ARG2 - thread identification |
* - ARG3 - destination address in the caller's address space |
* |
*/ |
UDEBUG_M_ARGS_READ, |
/** Read the list of the debugged tasks's threads. |
* |
* - ARG2 - destination address in the caller's address space |
* - ARG3 - size of receiving buffer in bytes |
* |
* The kernel fills the buffer with a series of sysarg_t values |
* (thread ids). On answer, the kernel will set: |
* |
* - ARG2 - number of bytes that were actually copied |
* - ARG3 - number of bytes of the complete data |
* |
*/ |
UDEBUG_M_THREAD_READ, |
/** Read the debugged tasks's memory. |
* |
* - ARG2 - destination address in the caller's address space |
* - ARG3 - source address in the recipient's address space |
* - ARG4 - size of receiving buffer in bytes |
* |
*/ |
UDEBUG_M_MEM_READ, |
} udebug_method_t; |
typedef enum { |
UDEBUG_EVENT_FINISHED = 1, /**< Debuging session has finished */ |
UDEBUG_EVENT_STOP, /**< Stopped on DEBUG_STOP request */ |
UDEBUG_EVENT_SYSCALL_B, /**< Before beginning syscall execution */ |
UDEBUG_EVENT_SYSCALL_E, /**< After finishing syscall execution */ |
UDEBUG_EVENT_THREAD_B, /**< The task created a new thread */ |
UDEBUG_EVENT_THREAD_E /**< A thread exited */ |
} udebug_event_t; |
#define UDEBUG_EVMASK(event) (1 << ((event) - 1)) |
typedef enum { |
UDEBUG_EM_FINISHED = UDEBUG_EVMASK(UDEBUG_EVENT_FINISHED), |
UDEBUG_EM_STOP = UDEBUG_EVMASK(UDEBUG_EVENT_STOP), |
UDEBUG_EM_SYSCALL_B = UDEBUG_EVMASK(UDEBUG_EVENT_SYSCALL_B), |
UDEBUG_EM_SYSCALL_E = UDEBUG_EVMASK(UDEBUG_EVENT_SYSCALL_E), |
UDEBUG_EM_THREAD_B = UDEBUG_EVMASK(UDEBUG_EVENT_THREAD_B), |
UDEBUG_EM_THREAD_E = UDEBUG_EVMASK(UDEBUG_EVENT_THREAD_E), |
UDEBUG_EM_ALL = |
UDEBUG_EVMASK(UDEBUG_EVENT_FINISHED) | |
UDEBUG_EVMASK(UDEBUG_EVENT_STOP) | |
UDEBUG_EVMASK(UDEBUG_EVENT_SYSCALL_B) | |
UDEBUG_EVMASK(UDEBUG_EVENT_SYSCALL_E) | |
UDEBUG_EVMASK(UDEBUG_EVENT_THREAD_B) | |
UDEBUG_EVMASK(UDEBUG_EVENT_THREAD_E) |
} udebug_evmask_t; |
#ifdef KERNEL |
#include <synch/mutex.h> |
#include <arch/interrupt.h> |
#include <atomic.h> |
typedef enum { |
/** Task is not being debugged */ |
UDEBUG_TS_INACTIVE, |
/** BEGIN operation in progress (waiting for threads to stop) */ |
UDEBUG_TS_BEGINNING, |
/** Debugger fully connected */ |
UDEBUG_TS_ACTIVE |
} udebug_task_state_t; |
/** Debugging part of task_t structure. |
*/ |
typedef struct { |
/** Synchronize debug ops on this task / access to this structure */ |
mutex_t lock; |
char *lock_owner; |
udebug_task_state_t dt_state; |
call_t *begin_call; |
int not_stoppable_count; |
struct task *debugger; |
udebug_evmask_t evmask; |
} udebug_task_t; |
/** Debugging part of thread_t structure. |
*/ |
typedef struct { |
/** Synchronize debug ops on this thread / access to this structure. */ |
mutex_t lock; |
waitq_t go_wq; |
call_t *go_call; |
unative_t syscall_args[6]; |
istate_t *uspace_state; |
/** What type of event are we stopped in or 0 if none. */ |
udebug_event_t cur_event; |
bool go; /**< thread is GO */ |
bool stoppable; /**< thread is stoppable */ |
bool active; /**< thread is in a debugging session */ |
} udebug_thread_t; |
struct task; |
struct thread; |
void udebug_task_init(udebug_task_t *ut); |
void udebug_thread_initialize(udebug_thread_t *ut); |
void udebug_syscall_event(unative_t a1, unative_t a2, unative_t a3, |
unative_t a4, unative_t a5, unative_t a6, unative_t id, unative_t rc, |
bool end_variant); |
void udebug_thread_b_event_attach(struct thread *t, struct task *ta); |
void udebug_thread_e_event(void); |
void udebug_stoppable_begin(void); |
void udebug_stoppable_end(void); |
void udebug_before_thread_runs(void); |
int udebug_task_cleanup(struct task *ta); |
#endif |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/udebug/udebug_ops.h |
---|
0,0 → 1,55 |
/* |
* Copyright (c) 2008 Jiri Svoboda |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_UDEBUG_OPS_H_ |
#define KERN_UDEBUG_OPS_H_ |
#include <ipc/ipc.h> |
int udebug_begin(call_t *call); |
int udebug_end(void); |
int udebug_set_evmask(udebug_evmask_t mask); |
int udebug_go(thread_t *t, call_t *call); |
int udebug_stop(thread_t *t, call_t *call); |
int udebug_thread_read(void **buffer, size_t buf_size, size_t *n); |
int udebug_args_read(thread_t *t, void **buffer); |
int udebug_mem_read(unative_t uspace_addr, size_t n, void **buffer); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/udebug/udebug_ipc.h |
---|
0,0 → 1,47 |
/* |
* Copyright (c) 2008 Jiri Svoboda |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_UDEBUG_IPC_H_ |
#define KERN_UDEBUG_IPC_H_ |
#include <ipc/ipc.h> |
int udebug_request_preprocess(call_t *call, phone_t *phone); |
void udebug_call_receive(call_t *call); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/stdarg.h |
---|
0,0 → 1,53 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
/* |
* Variable argument list manipulation macros |
* for all architectures with compiler support for __builtin_va_*. |
*/ |
#ifndef KERN_STDARG_H_ |
#define KERN_STDARG_H_ |
typedef __builtin_va_list va_list; |
#define va_start(ap, last) __builtin_va_start(ap, last) |
#define va_arg(ap, type) __builtin_va_arg(ap, type) |
#define va_end(ap) __builtin_va_end(ap) |
#define va_copy(dst, src) __builtin_va_copy(dst, src) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/lib/elf.h |
---|
0,0 → 1,349 |
/* |
* Copyright (c) 2006 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ELF_H_ |
#define KERN_ELF_H_ |
#include <arch/elf.h> |
#include <arch/types.h> |
/** |
* current ELF version |
*/ |
#define EV_CURRENT 1 |
/** |
* ELF types |
*/ |
#define ET_NONE 0 /* No type */ |
#define ET_REL 1 /* Relocatable file */ |
#define ET_EXEC 2 /* Executable */ |
#define ET_DYN 3 /* Shared object */ |
#define ET_CORE 4 /* Core */ |
#define ET_LOPROC 0xff00 /* Processor specific */ |
#define ET_HIPROC 0xffff /* Processor specific */ |
/** |
* ELF machine types |
*/ |
#define EM_NO 0 /* No machine */ |
#define EM_SPARC 2 /* SPARC */ |
#define EM_386 3 /* i386 */ |
#define EM_MIPS 8 /* MIPS RS3000 */ |
#define EM_MIPS_RS3_LE 10 /* MIPS RS3000 LE */ |
#define EM_PPC 20 /* PPC32 */ |
#define EM_PPC64 21 /* PPC64 */ |
#define EM_ARM 40 /* ARM */ |
#define EM_SPARCV9 43 /* SPARC64 */ |
#define EM_IA_64 50 /* IA-64 */ |
#define EM_X86_64 62 /* AMD64/EMT64 */ |
/** |
* ELF identification indexes |
*/ |
#define EI_MAG0 0 |
#define EI_MAG1 1 |
#define EI_MAG2 2 |
#define EI_MAG3 3 |
#define EI_CLASS 4 /* File class */ |
#define EI_DATA 5 /* Data encoding */ |
#define EI_VERSION 6 /* File version */ |
#define EI_OSABI 7 |
#define EI_ABIVERSION 8 |
#define EI_PAD 9 /* Start of padding bytes */ |
#define EI_NIDENT 16 /* ELF identification table size */ |
/** |
* ELF magic number |
*/ |
#define ELFMAG0 0x7f |
#define ELFMAG1 'E' |
#define ELFMAG2 'L' |
#define ELFMAG3 'F' |
/** |
* ELF file classes |
*/ |
#define ELFCLASSNONE 0 |
#define ELFCLASS32 1 |
#define ELFCLASS64 2 |
/** |
* ELF data encoding types |
*/ |
#define ELFDATANONE 0 |
#define ELFDATA2LSB 1 /* Least significant byte first (little endian) */ |
#define ELFDATA2MSB 2 /* Most signigicant byte first (big endian) */ |
/** |
* ELF error return codes |
*/ |
#define EE_OK 0 /* No error */ |
#define EE_INVALID 1 /* Invalid ELF image */ |
#define EE_MEMORY 2 /* Cannot allocate address space */ |
#define EE_INCOMPATIBLE 3 /* ELF image is not compatible with current architecture */ |
#define EE_UNSUPPORTED 4 /* Non-supported ELF (e.g. dynamic ELFs) */ |
#define EE_LOADER 5 /* The image is actually a program loader */ |
#define EE_IRRECOVERABLE 6 |
/** |
* ELF section types |
*/ |
#define SHT_NULL 0 |
#define SHT_PROGBITS 1 |
#define SHT_SYMTAB 2 |
#define SHT_STRTAB 3 |
#define SHT_RELA 4 |
#define SHT_HASH 5 |
#define SHT_DYNAMIC 6 |
#define SHT_NOTE 7 |
#define SHT_NOBITS 8 |
#define SHT_REL 9 |
#define SHT_SHLIB 10 |
#define SHT_DYNSYM 11 |
#define SHT_LOOS 0x60000000 |
#define SHT_HIOS 0x6fffffff |
#define SHT_LOPROC 0x70000000 |
#define SHT_HIPROC 0x7fffffff |
#define SHT_LOUSER 0x80000000 |
#define SHT_HIUSER 0xffffffff |
/** |
* ELF section flags |
*/ |
#define SHF_WRITE 0x1 |
#define SHF_ALLOC 0x2 |
#define SHF_EXECINSTR 0x4 |
#define SHF_TLS 0x400 |
#define SHF_MASKPROC 0xf0000000 |
/** |
* Symbol binding |
*/ |
#define STB_LOCAL 0 |
#define STB_GLOBAL 1 |
#define STB_WEAK 2 |
#define STB_LOPROC 13 |
#define STB_HIPROC 15 |
/** |
* Symbol types |
*/ |
#define STT_NOTYPE 0 |
#define STT_OBJECT 1 |
#define STT_FUNC 2 |
#define STT_SECTION 3 |
#define STT_FILE 4 |
#define STT_LOPROC 13 |
#define STT_HIPROC 15 |
/** |
* Program segment types |
*/ |
#define PT_NULL 0 |
#define PT_LOAD 1 |
#define PT_DYNAMIC 2 |
#define PT_INTERP 3 |
#define PT_NOTE 4 |
#define PT_SHLIB 5 |
#define PT_PHDR 6 |
#define PT_LOPROC 0x70000000 |
#define PT_HIPROC 0x7fffffff |
/** |
* Program segment attributes. |
*/ |
#define PF_X 1 |
#define PF_W 2 |
#define PF_R 4 |
/** |
* ELF data types |
* |
* These types are found to be identical in both 32-bit and 64-bit |
* ELF object file specifications. They are the only types used |
* in ELF header. |
*/ |
typedef uint64_t elf_xword; |
typedef int64_t elf_sxword; |
typedef uint32_t elf_word; |
typedef int32_t elf_sword; |
typedef uint16_t elf_half; |
/** |
* 32-bit ELF data types. |
* |
* These types are specific for 32-bit format. |
*/ |
typedef uint32_t elf32_addr; |
typedef uint32_t elf32_off; |
/** |
* 64-bit ELF data types. |
* |
* These types are specific for 64-bit format. |
*/ |
typedef uint64_t elf64_addr; |
typedef uint64_t elf64_off; |
/** ELF header */ |
struct elf32_header { |
uint8_t e_ident[EI_NIDENT]; |
elf_half e_type; |
elf_half e_machine; |
elf_word e_version; |
elf32_addr e_entry; |
elf32_off e_phoff; |
elf32_off e_shoff; |
elf_word e_flags; |
elf_half e_ehsize; |
elf_half e_phentsize; |
elf_half e_phnum; |
elf_half e_shentsize; |
elf_half e_shnum; |
elf_half e_shstrndx; |
}; |
struct elf64_header { |
uint8_t e_ident[EI_NIDENT]; |
elf_half e_type; |
elf_half e_machine; |
elf_word e_version; |
elf64_addr e_entry; |
elf64_off e_phoff; |
elf64_off e_shoff; |
elf_word e_flags; |
elf_half e_ehsize; |
elf_half e_phentsize; |
elf_half e_phnum; |
elf_half e_shentsize; |
elf_half e_shnum; |
elf_half e_shstrndx; |
}; |
/* |
* ELF segment header. |
* Segments headers are also known as program headers. |
*/ |
struct elf32_segment_header { |
elf_word p_type; |
elf32_off p_offset; |
elf32_addr p_vaddr; |
elf32_addr p_paddr; |
elf_word p_filesz; |
elf_word p_memsz; |
elf_word p_flags; |
elf_word p_align; |
}; |
struct elf64_segment_header { |
elf_word p_type; |
elf_word p_flags; |
elf64_off p_offset; |
elf64_addr p_vaddr; |
elf64_addr p_paddr; |
elf_xword p_filesz; |
elf_xword p_memsz; |
elf_xword p_align; |
}; |
/* |
* ELF section header |
*/ |
struct elf32_section_header { |
elf_word sh_name; |
elf_word sh_type; |
elf_word sh_flags; |
elf32_addr sh_addr; |
elf32_off sh_offset; |
elf_word sh_size; |
elf_word sh_link; |
elf_word sh_info; |
elf_word sh_addralign; |
elf_word sh_entsize; |
}; |
struct elf64_section_header { |
elf_word sh_name; |
elf_word sh_type; |
elf_xword sh_flags; |
elf64_addr sh_addr; |
elf64_off sh_offset; |
elf_xword sh_size; |
elf_word sh_link; |
elf_word sh_info; |
elf_xword sh_addralign; |
elf_xword sh_entsize; |
}; |
/* |
* ELF symbol table entry |
*/ |
struct elf32_symbol { |
elf_word st_name; |
elf32_addr st_value; |
elf_word st_size; |
uint8_t st_info; |
uint8_t st_other; |
elf_half st_shndx; |
}; |
struct elf64_symbol { |
elf_word st_name; |
uint8_t st_info; |
uint8_t st_other; |
elf_half st_shndx; |
elf64_addr st_value; |
elf_xword st_size; |
}; |
#ifdef __32_BITS__ |
typedef struct elf32_header elf_header_t; |
typedef struct elf32_segment_header elf_segment_header_t; |
typedef struct elf32_section_header elf_section_header_t; |
typedef struct elf32_symbol elf_symbol_t; |
#endif |
#ifdef __64_BITS__ |
typedef struct elf64_header elf_header_t; |
typedef struct elf64_segment_header elf_segment_header_t; |
typedef struct elf64_section_header elf_section_header_t; |
typedef struct elf64_symbol elf_symbol_t; |
#endif |
extern char *elf_error(unsigned int rc); |
/* Interpreter string used to recognize the program loader */ |
#define ELF_INTERP_ZSTR "kernel" |
#define ELF_INTERP_ZLEN sizeof(ELF_INTERP_ZSTR) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/lib/rd.h |
---|
0,0 → 1,84 |
/* |
* Copyright (c) 2006 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericmm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_RD_H_ |
#define KERN_RD_H_ |
#include <arch/types.h> |
/** |
* RAM disk version |
*/ |
#define RD_VERSION 1 |
/** |
* RAM disk magic number |
*/ |
#define RD_MAGIC_SIZE 4 |
#define RD_MAG0 'H' |
#define RD_MAG1 'O' |
#define RD_MAG2 'R' |
#define RD_MAG3 'D' |
/** |
* RAM disk data encoding types |
*/ |
#define RD_DATA_NONE 0 |
#define RD_DATA_LSB 1 /* Least significant byte first (little endian) */ |
#define RD_DATA_MSB 2 /* Most signigicant byte first (big endian) */ |
/** |
* RAM disk error return codes |
*/ |
#define RE_OK 0 /* No error */ |
#define RE_INVALID 1 /* Invalid RAM disk image */ |
#define RE_UNSUPPORTED 2 /* Non-supported image (e.g. wrong version) */ |
/** RAM disk header */ |
struct rd_header { |
uint8_t magic[RD_MAGIC_SIZE]; |
uint8_t version; |
uint8_t data_type; |
uint32_t header_size; |
uint64_t data_size; |
} __attribute__ ((packed)); |
typedef struct rd_header rd_header_t; |
extern int init_rd(rd_header_t *addr, size_t size); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/stackarg.h |
---|
0,0 → 1,64 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
/* |
* Variable argument list manipulation macros |
* for architectures using stack to pass arguments. |
*/ |
#ifndef KERN_STACKARG_H_ |
#define KERN_STACKARG_H_ |
#include <arch/types.h> |
typedef struct va_list { |
int pos; |
uint8_t *last; |
} va_list; |
#define va_start(ap, lst) \ |
(ap).pos = sizeof(lst); \ |
(ap).last = (uint8_t *) &(lst) |
#define va_arg(ap, type) \ |
(*((type *)((ap).last + ((ap).pos += sizeof(type)) - sizeof(type)))) |
#define va_copy(dst, src) dst = src |
#define va_end(ap) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/time/clock.h |
---|
0,0 → 1,57 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup time |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_CLOCK_H_ |
#define KERN_CLOCK_H_ |
#include <arch/types.h> |
#define HZ 100 |
/** Uptime structure */ |
typedef struct { |
unative_t seconds1; |
unative_t useconds; |
unative_t seconds2; |
} uptime_t; |
extern uptime_t *uptime; |
extern void clock(void); |
extern void clock_counter_init(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/time/timeout.h |
---|
0,0 → 1,71 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup time |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_TIMEOUT_H_ |
#define KERN_TIMEOUT_H_ |
#include <arch/types.h> |
#include <adt/list.h> |
#include <cpu.h> |
typedef void (* timeout_handler_t)(void *arg); |
typedef struct { |
SPINLOCK_DECLARE(lock); |
/** Link to the list of active timeouts on THE->cpu */ |
link_t link; |
/** Timeout will be activated in this amount of clock() ticks. */ |
uint64_t ticks; |
/** Function that will be called on timeout activation. */ |
timeout_handler_t handler; |
/** Argument to be passed to handler() function. */ |
void *arg; |
/** On which processor is this timeout registered. */ |
cpu_t *cpu; |
} timeout_t; |
#define us2ticks(us) ((uint64_t) (((uint32_t) (us) / (1000000 / HZ)))) |
extern void timeout_init(void); |
extern void timeout_initialize(timeout_t *t); |
extern void timeout_reinitialize(timeout_t *t); |
extern void timeout_register(timeout_t *t, uint64_t usec, timeout_handler_t f, |
void *arg); |
extern bool timeout_unregister(timeout_t *t); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/time/delay.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup time |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_DELAY_H_ |
#define KERN_DELAY_H_ |
#include <arch/types.h> |
extern void delay(uint32_t microseconds); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/bitops.h |
---|
0,0 → 1,92 |
/* |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_BITOPS_H_ |
#define KERN_BITOPS_H_ |
/** Return position of first non-zero bit from left (i.e. [log_2(arg)]). |
* |
* If number is zero, it returns 0 |
*/ |
static inline int fnzb32(uint32_t arg) |
{ |
int n = 0; |
if (arg >> 16) { |
arg >>= 16; |
n += 16; |
} |
if (arg >> 8) { |
arg >>= 8; |
n += 8; |
} |
if (arg >> 4) { |
arg >>= 4; |
n += 4; |
} |
if (arg >> 2) { |
arg >>= 2; |
n += 2; |
} |
if (arg >> 1) { |
arg >>= 1; |
n += 1; |
} |
return n; |
} |
static inline int fnzb64(uint64_t arg) |
{ |
int n = 0; |
if (arg >> 32) { |
arg >>= 32; |
n += 32; |
} |
return n + fnzb32((uint32_t) arg); |
} |
#define fnzb(x) fnzb32(x) |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/security/cap.h |
---|
0,0 → 1,89 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
/** |
* @file |
* @brief Capabilities definitions. |
* |
* Capabilities represent virtual rights that entitle their |
* holder to perform certain security sensitive tasks. |
* |
* Each task can have arbitrary combination of the capabilities |
* defined in this file. Therefore, they are required to be powers |
* of two. |
*/ |
#ifndef __CAP_H__ |
#define __CAP_H__ |
#include <syscall/sysarg64.h> |
#include <arch/types.h> |
/** |
* CAP_CAP allows its holder to grant/revoke arbitrary |
* privilege to/from other tasks. |
*/ |
#define CAP_CAP (1<<0) |
/** |
* CAP_MEM_MANAGER allows its holder to map physical memory |
* to other tasks. |
*/ |
#define CAP_MEM_MANAGER (1<<1) |
/** |
* CAP_IO_MANAGER allows its holder to access I/O space |
* to other tasks. |
*/ |
#define CAP_IO_MANAGER (1<<2) |
/** |
* CAP_PREEMPT_CONTROL allows its holder to disable/enable preemption. |
*/ |
#define CAP_PREEMPT_CONTROL (1<<3) |
/** |
* CAP_IRQ_REG entitles its holder to register IRQ handlers. |
*/ |
#define CAP_IRQ_REG (1<<4) |
typedef uint32_t cap_t; |
extern unative_t sys_cap_grant(sysarg64_t *uspace_taskid_arg, cap_t caps); |
extern unative_t sys_cap_revoke(sysarg64_t *uspace_taskid_arg, cap_t caps); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/userspace.h |
---|
0,0 → 1,47 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_USERSPACE_H_ |
#define KERN_USERSPACE_H_ |
#include <proc/thread.h> |
#include <arch/types.h> |
/** Switch to user-space (CPU user priviledge level) */ |
extern void userspace(uspace_arg_t *uarg) __attribute__ ((noreturn)); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/smp/smp.h |
---|
0,0 → 1,52 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_SMP_H_ |
#define KERN_SMP_H_ |
#include <synch/waitq.h> |
extern waitq_t ap_completion_wq; |
#ifdef CONFIG_SMP |
extern void smp_init(void); |
extern void kmp(void *arg); |
#else |
#define smp_init() |
#endif /* CONFIG_SMP */ |
#endif /* __SMP_H__ */ |
/** @} |
*/ |
/branches/arm/kernel/generic/include/smp/ipi.h |
---|
0,0 → 1,48 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_IPI_H_ |
#define KERN_IPI_H_ |
#ifdef CONFIG_SMP |
extern void ipi_broadcast(int ipi); |
extern void ipi_broadcast_arch(int ipi); |
#else |
#define ipi_broadcast(x) ; |
#endif /* CONFIG_SMP */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/atomic.h |
---|
0,0 → 1,57 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ATOMIC_H_ |
#define KERN_ATOMIC_H_ |
typedef struct atomic { |
volatile long count; |
} atomic_t; |
#include <arch/atomic.h> |
static inline void atomic_set(atomic_t *val, long i) |
{ |
val->count = i; |
} |
static inline long atomic_get(atomic_t *val) |
{ |
return val->count; |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/include/preemption.h |
---|
0,0 → 1,44 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_PREEMPTION_H_ |
#define KERN_PREEMPTION_H_ |
extern void preemption_disable(void); |
extern void preemption_enable(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/src/main/uinit.c |
---|
0,0 → 1,94 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup main |
* @{ |
*/ |
/** |
* @file |
* @brief Userspace bootstrap thread. |
* |
* This file contains uinit kernel thread wich is used to start every |
* userspace thread including threads created by SYS_THREAD_CREATE syscall. |
* |
* @see SYS_THREAD_CREATE |
*/ |
#include <main/uinit.h> |
#include <arch/types.h> |
#include <proc/thread.h> |
#include <userspace.h> |
#include <mm/slab.h> |
#include <arch.h> |
#include <udebug/udebug.h> |
/** Thread used to bring up userspace thread. |
* |
* @param arg Pointer to structure containing userspace entry and stack |
* addresses. |
*/ |
void uinit(void *arg) |
{ |
uspace_arg_t uarg; |
/* |
* So far, we don't have a use for joining userspace threads so we |
* immediately detach each uinit thread. If joining of userspace threads |
* is required, some userspace API based on the kernel mechanism will |
* have to be implemented. Moreover, garbage collecting of threads that |
* didn't detach themselves and nobody else joined them will have to be |
* deployed for the event of forceful task termination. |
*/ |
thread_detach(THREAD); |
#ifdef CONFIG_UDEBUG |
udebug_stoppable_end(); |
#endif |
uarg.uspace_entry = ((uspace_arg_t *) arg)->uspace_entry; |
uarg.uspace_stack = ((uspace_arg_t *) arg)->uspace_stack; |
uarg.uspace_uarg = ((uspace_arg_t *) arg)->uspace_uarg; |
uarg.uspace_thread_function = NULL; |
uarg.uspace_thread_arg = NULL; |
free((uspace_arg_t *) arg); |
/* |
* Disable interrupts so that the execution of userspace() is not |
* disturbed by any interrupts as some of the userspace() |
* implementations will switch to the userspace stack before switching |
* the mode. |
*/ |
(void) interrupts_disable(); |
userspace(&uarg); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/main/kinit.c |
---|
0,0 → 1,244 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup main |
* @{ |
*/ |
/** |
* @file |
* @brief Kernel initialization thread. |
* |
* This file contains kinit kernel thread which carries out |
* high level system initialization. |
* |
* This file is responsible for finishing SMP configuration |
* and creation of userspace init tasks. |
*/ |
#include <main/kinit.h> |
#include <config.h> |
#include <arch.h> |
#include <proc/scheduler.h> |
#include <proc/task.h> |
#include <proc/thread.h> |
#include <proc/program.h> |
#include <panic.h> |
#include <func.h> |
#include <cpu.h> |
#include <arch/asm.h> |
#include <mm/page.h> |
#include <arch/mm/page.h> |
#include <mm/as.h> |
#include <mm/frame.h> |
#include <print.h> |
#include <memstr.h> |
#include <console/console.h> |
#include <interrupt.h> |
#include <console/kconsole.h> |
#include <security/cap.h> |
#include <lib/rd.h> |
#include <ipc/ipc.h> |
#include <debug.h> |
#include <string.h> |
#ifdef CONFIG_SMP |
#include <smp/smp.h> |
#endif /* CONFIG_SMP */ |
#include <synch/waitq.h> |
#include <synch/spinlock.h> |
#define ALIVE_CHARS 4 |
#ifdef CONFIG_KCONSOLE |
static char alive[ALIVE_CHARS] = "-\\|/"; |
#endif |
#define INIT_PREFIX "init:" |
#define INIT_PREFIX_LEN 5 |
/** Kernel initialization thread. |
* |
* kinit takes care of higher level kernel |
* initialization (i.e. thread creation, |
* userspace initialization etc.). |
* |
* @param arg Not used. |
*/ |
void kinit(void *arg) |
{ |
#if defined(CONFIG_SMP) || defined(CONFIG_KCONSOLE) |
thread_t *thread; |
#endif |
/* |
* Detach kinit as nobody will call thread_join_timeout() on it. |
*/ |
thread_detach(THREAD); |
interrupts_disable(); |
#ifdef CONFIG_SMP |
if (config.cpu_count > 1) { |
waitq_initialize(&ap_completion_wq); |
/* |
* Create the kmp thread and wait for its completion. |
* cpu1 through cpuN-1 will come up consecutively and |
* not mess together with kcpulb threads. |
* Just a beautification. |
*/ |
thread = thread_create(kmp, NULL, TASK, THREAD_FLAG_WIRED, "kmp", true); |
if (thread != NULL) { |
spinlock_lock(&thread->lock); |
thread->cpu = &cpus[0]; |
spinlock_unlock(&thread->lock); |
thread_ready(thread); |
} else |
panic("Unable to create kmp thread."); |
thread_join(thread); |
thread_detach(thread); |
} |
if (config.cpu_count > 1) { |
size_t i; |
/* |
* For each CPU, create its load balancing thread. |
*/ |
for (i = 0; i < config.cpu_count; i++) { |
thread = thread_create(kcpulb, NULL, TASK, THREAD_FLAG_WIRED, "kcpulb", true); |
if (thread != NULL) { |
spinlock_lock(&thread->lock); |
thread->cpu = &cpus[i]; |
spinlock_unlock(&thread->lock); |
thread_ready(thread); |
} else |
printf("Unable to create kcpulb thread for cpu" PRIs "\n", i); |
} |
} |
#endif /* CONFIG_SMP */ |
/* |
* At this point SMP, if present, is configured. |
*/ |
arch_post_smp_init(); |
#ifdef CONFIG_KCONSOLE |
if (stdin) { |
/* |
* Create kernel console. |
*/ |
thread = thread_create(kconsole_thread, NULL, TASK, 0, "kconsole", false); |
if (thread != NULL) |
thread_ready(thread); |
else |
printf("Unable to create kconsole thread\n"); |
} |
#endif /* CONFIG_KCONSOLE */ |
interrupts_enable(); |
/* |
* Create user tasks, load RAM disk images. |
*/ |
size_t i; |
program_t programs[CONFIG_INIT_TASKS]; |
for (i = 0; i < init.cnt; i++) { |
if (init.tasks[i].addr % FRAME_SIZE) { |
printf("init[%" PRIs "].addr is not frame aligned\n", i); |
continue; |
} |
/* |
* Construct task name from the 'init:' prefix and the |
* name stored in the init structure (if any). |
*/ |
char namebuf[TASK_NAME_BUFLEN]; |
char *name; |
name = init.tasks[i].name; |
if (name[0] == 0) |
name = "<unknown>"; |
ASSERT(TASK_NAME_BUFLEN >= INIT_PREFIX_LEN); |
str_cpy(namebuf, TASK_NAME_BUFLEN, INIT_PREFIX); |
str_cpy(namebuf + INIT_PREFIX_LEN, |
TASK_NAME_BUFLEN - INIT_PREFIX_LEN, name); |
int rc = program_create_from_image((void *) init.tasks[i].addr, |
namebuf, &programs[i]); |
if ((rc == 0) && (programs[i].task != NULL)) { |
/* |
* Set capabilities to init userspace tasks. |
*/ |
cap_set(programs[i].task, CAP_CAP | CAP_MEM_MANAGER | |
CAP_IO_MANAGER | CAP_PREEMPT_CONTROL | CAP_IRQ_REG); |
if (!ipc_phone_0) |
ipc_phone_0 = &programs[i].task->answerbox; |
} else if (rc == 0) { |
/* It was the program loader and was registered */ |
} else { |
/* RAM disk image */ |
int rd = init_rd((rd_header_t *) init.tasks[i].addr, init.tasks[i].size); |
if (rd != RE_OK) |
printf("Init binary %" PRIs " not used (error %d)\n", i, rd); |
} |
} |
/* |
* Run user tasks. |
*/ |
for (i = 0; i < init.cnt; i++) { |
if (programs[i].task != NULL) |
program_ready(&programs[i]); |
} |
#ifdef CONFIG_KCONSOLE |
if (!stdin) { |
thread_sleep(10); |
printf("kinit: No stdin\nKernel alive: ."); |
unsigned int i = 0; |
while (true) { |
printf("\b%c", alive[i % ALIVE_CHARS]); |
thread_sleep(1); |
i++; |
} |
} |
#endif /* CONFIG_KCONSOLE */ |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/main/main.c |
---|
0,0 → 1,356 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup main |
* @{ |
*/ |
/** |
* @file |
* @brief Main initialization kernel function for all processors. |
* |
* During kernel boot, all processors, after architecture dependent |
* initialization, start executing code found in this file. After |
* bringing up all subsystems, control is passed to scheduler(). |
* |
* The bootstrap processor starts executing main_bsp() while |
* the application processors start executing main_ap(). |
* |
* @see scheduler() |
* @see main_bsp() |
* @see main_ap() |
*/ |
#include <arch/asm.h> |
#include <context.h> |
#include <print.h> |
#include <panic.h> |
#include <debug.h> |
#include <config.h> |
#include <time/clock.h> |
#include <time/timeout.h> |
#include <proc/scheduler.h> |
#include <proc/thread.h> |
#include <proc/task.h> |
#include <proc/tasklet.h> |
#include <main/kinit.h> |
#include <main/version.h> |
#include <console/kconsole.h> |
#include <console/console.h> |
#include <cpu.h> |
#include <align.h> |
#include <interrupt.h> |
#include <mm/frame.h> |
#include <mm/page.h> |
#include <genarch/mm/page_pt.h> |
#include <mm/tlb.h> |
#include <mm/as.h> |
#include <mm/slab.h> |
#include <synch/waitq.h> |
#include <synch/futex.h> |
#include <arch/arch.h> |
#include <arch.h> |
#include <arch/faddr.h> |
#include <ipc/ipc.h> |
#include <macros.h> |
#include <adt/btree.h> |
#include <smp/smp.h> |
#include <ddi/ddi.h> |
#include <main/main.h> |
#include <ipc/event.h> |
/** Global configuration structure. */ |
config_t config; |
/** Initial user-space tasks */ |
init_t init = { |
.cnt = 0 |
}; |
/** Boot allocations. */ |
ballocs_t ballocs = { |
.base = NULL, |
.size = 0 |
}; |
context_t ctx; |
/* |
* These 'hardcoded' variables will be intialized by |
* the linker or the low level assembler code with |
* appropriate sizes and addresses. |
*/ |
/** Virtual address of where the kernel is loaded. */ |
uintptr_t hardcoded_load_address = 0; |
/** Size of the kernel code in bytes. */ |
size_t hardcoded_ktext_size = 0; |
/** Size of the kernel data in bytes. */ |
size_t hardcoded_kdata_size = 0; |
/** Lowest safe stack virtual address. */ |
uintptr_t stack_safe = 0; |
/* |
* These two functions prevent stack from underflowing during the |
* kernel boot phase when SP is set to the very top of the reserved |
* space. The stack could get corrupted by a fooled compiler-generated |
* pop sequence otherwise. |
*/ |
static void main_bsp_separated_stack(void); |
#ifdef CONFIG_SMP |
static void main_ap_separated_stack(void); |
#endif |
#define CONFIG_STACK_SIZE ((1 << STACK_FRAMES) * STACK_SIZE) |
/** Main kernel routine for bootstrap CPU. |
* |
* The code here still runs on the boot stack, which knows nothing about |
* preemption counts. Because of that, this function cannot directly call |
* functions that disable or enable preemption (e.g. spinlock_lock()). The |
* primary task of this function is to calculate address of a new stack and |
* switch to it. |
* |
* Assuming interrupts_disable(). |
* |
*/ |
void main_bsp(void) |
{ |
config.cpu_count = 1; |
config.cpu_active = 1; |
config.base = hardcoded_load_address; |
config.kernel_size = ALIGN_UP(hardcoded_ktext_size + |
hardcoded_kdata_size, PAGE_SIZE); |
config.stack_size = CONFIG_STACK_SIZE; |
/* Initialy the stack is placed just after the kernel */ |
config.stack_base = config.base + config.kernel_size; |
/* Avoid placing stack on top of init */ |
size_t i; |
for (i = 0; i < init.cnt; i++) { |
if (PA_overlaps(config.stack_base, config.stack_size, |
init.tasks[i].addr, init.tasks[i].size)) |
config.stack_base = ALIGN_UP(init.tasks[i].addr + |
init.tasks[i].size, config.stack_size); |
} |
/* Avoid placing stack on top of boot allocations. */ |
if (ballocs.size) { |
if (PA_overlaps(config.stack_base, config.stack_size, |
ballocs.base, ballocs.size)) |
config.stack_base = ALIGN_UP(ballocs.base + |
ballocs.size, PAGE_SIZE); |
} |
if (config.stack_base < stack_safe) |
config.stack_base = ALIGN_UP(stack_safe, PAGE_SIZE); |
context_save(&ctx); |
context_set(&ctx, FADDR(main_bsp_separated_stack), config.stack_base, |
THREAD_STACK_SIZE); |
context_restore(&ctx); |
/* not reached */ |
} |
/** Main kernel routine for bootstrap CPU using new stack. |
* |
* Second part of main_bsp(). |
* |
*/ |
void main_bsp_separated_stack(void) |
{ |
/* Keep this the first thing. */ |
the_initialize(THE); |
version_print(); |
LOG("\nconfig.base=%#" PRIp " config.kernel_size=%" PRIs |
"\nconfig.stack_base=%#" PRIp " config.stack_size=%" PRIs, |
config.base, config.kernel_size, config.stack_base, |
config.stack_size); |
#ifdef CONFIG_KCONSOLE |
/* |
* kconsole data structures must be initialized very early |
* because other subsystems will register their respective |
* commands. |
*/ |
LOG_EXEC(kconsole_init()); |
#endif |
/* |
* Exception handler initialization, before architecture |
* starts adding its own handlers |
*/ |
LOG_EXEC(exc_init()); |
/* |
* Memory management subsystems initialization. |
*/ |
LOG_EXEC(arch_pre_mm_init()); |
LOG_EXEC(frame_init()); |
/* Initialize at least 1 memory segment big enough for slab to work. */ |
LOG_EXEC(slab_cache_init()); |
LOG_EXEC(btree_init()); |
LOG_EXEC(as_init()); |
LOG_EXEC(page_init()); |
LOG_EXEC(tlb_init()); |
LOG_EXEC(ddi_init()); |
LOG_EXEC(tasklet_init()); |
LOG_EXEC(arch_post_mm_init()); |
LOG_EXEC(arch_pre_smp_init()); |
LOG_EXEC(smp_init()); |
/* Slab must be initialized after we know the number of processors. */ |
LOG_EXEC(slab_enable_cpucache()); |
printf("Detected %" PRIs " CPU(s), %" PRIu64" MiB free memory\n", |
config.cpu_count, SIZE2MB(zone_total_size())); |
LOG_EXEC(cpu_init()); |
LOG_EXEC(calibrate_delay_loop()); |
LOG_EXEC(clock_counter_init()); |
LOG_EXEC(timeout_init()); |
LOG_EXEC(scheduler_init()); |
LOG_EXEC(task_init()); |
LOG_EXEC(thread_init()); |
LOG_EXEC(futex_init()); |
if (init.cnt > 0) { |
size_t i; |
for (i = 0; i < init.cnt; i++) |
LOG("init[%" PRIs "].addr=%#" PRIp ", init[%" PRIs |
"].size=%#" PRIs, i, init.tasks[i].addr, i, |
init.tasks[i].size); |
} else |
printf("No init binaries found.\n"); |
LOG_EXEC(ipc_init()); |
LOG_EXEC(event_init()); |
LOG_EXEC(klog_init()); |
/* |
* Create kernel task. |
*/ |
task_t *kernel = task_create(AS_KERNEL, "kernel"); |
if (!kernel) |
panic("Cannot create kernel task."); |
/* |
* Create the first thread. |
*/ |
thread_t *kinit_thread |
= thread_create(kinit, NULL, kernel, 0, "kinit", true); |
if (!kinit_thread) |
panic("Cannot create kinit thread."); |
LOG_EXEC(thread_ready(kinit_thread)); |
/* |
* This call to scheduler() will return to kinit, |
* starting the thread of kernel threads. |
*/ |
scheduler(); |
/* not reached */ |
} |
#ifdef CONFIG_SMP |
/** Main kernel routine for application CPUs. |
* |
* Executed by application processors, temporary stack |
* is at ctx.sp which was set during BSP boot. |
* This function passes control directly to |
* main_ap_separated_stack(). |
* |
* Assuming interrupts_disable()'d. |
* |
*/ |
void main_ap(void) |
{ |
/* |
* Incrementing the active CPU counter will guarantee that the |
* *_init() functions can find out that they need to |
* do initialization for AP only. |
*/ |
config.cpu_active++; |
/* |
* The THE structure is well defined because ctx.sp is used as stack. |
*/ |
the_initialize(THE); |
arch_pre_mm_init(); |
frame_init(); |
page_init(); |
tlb_init(); |
arch_post_mm_init(); |
cpu_init(); |
calibrate_delay_loop(); |
arch_post_cpu_init(); |
the_copy(THE, (the_t *) CPU->stack); |
/* |
* If we woke kmp up before we left the kernel stack, we could |
* collide with another CPU coming up. To prevent this, we |
* switch to this cpu's private stack prior to waking kmp up. |
*/ |
context_save(&CPU->saved_context); |
context_set(&CPU->saved_context, FADDR(main_ap_separated_stack), |
(uintptr_t) CPU->stack, CPU_STACK_SIZE); |
context_restore(&CPU->saved_context); |
/* not reached */ |
} |
/** Main kernel routine for application CPUs using new stack. |
* |
* Second part of main_ap(). |
* |
*/ |
void main_ap_separated_stack(void) |
{ |
/* |
* Configure timeouts for this cpu. |
*/ |
timeout_init(); |
waitq_wakeup(&ap_completion_wq, WAKEUP_FIRST); |
scheduler(); |
/* not reached */ |
} |
#endif /* CONFIG_SMP */ |
/** @} |
*/ |
/branches/arm/kernel/generic/src/main/shutdown.c |
---|
0,0 → 1,55 |
/* |
* Copyright (c) 2007 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup main |
* @{ |
*/ |
/** |
* @file |
* @brief Shutdown procedures. |
*/ |
#include <arch.h> |
#include <func.h> |
#include <print.h> |
void reboot(void) |
{ |
task_done(); |
#ifdef CONFIG_DEBUG |
printf("Rebooting the system\n"); |
#endif |
arch_reboot(); |
halt(); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/main/version.c |
---|
0,0 → 1,65 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup main |
* @{ |
*/ |
/** @file |
*/ |
#include <main/version.h> |
#include <print.h> |
#include <macros.h> |
char *project = "SPARTAN kernel"; |
char *copyright = "Copyright (c) 2001-2009 HelenOS project"; |
char *release = STRING(RELEASE); |
char *name = STRING(NAME); |
char *arch = STRING(KARCH); |
#ifdef REVISION |
char *revision = ", revision " STRING(REVISION); |
#else |
char *revision = ""; |
#endif |
#ifdef TIMESTAMP |
char *timestamp = " on " STRING(TIMESTAMP); |
#else |
char *timestamp = ""; |
#endif |
/** Print version information. */ |
void version_print(void) |
{ |
printf("%s, release %s (%s)%s\nBuilt%s for %s\n%s\n", |
project, release, name, revision, timestamp, arch, copyright); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/printf/printf_core.c |
---|
0,0 → 1,892 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* Copyright (c) 2006 Josef Cejka |
* Copyright (c) 2009 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** |
* @file |
* @brief Printing functions. |
*/ |
#include <printf/printf_core.h> |
#include <print.h> |
#include <arch/arg.h> |
#include <macros.h> |
#include <string.h> |
#include <arch.h> |
/** show prefixes 0x or 0 */ |
#define __PRINTF_FLAG_PREFIX 0x00000001 |
/** signed / unsigned number */ |
#define __PRINTF_FLAG_SIGNED 0x00000002 |
/** print leading zeroes */ |
#define __PRINTF_FLAG_ZEROPADDED 0x00000004 |
/** align to left */ |
#define __PRINTF_FLAG_LEFTALIGNED 0x00000010 |
/** always show + sign */ |
#define __PRINTF_FLAG_SHOWPLUS 0x00000020 |
/** print space instead of plus */ |
#define __PRINTF_FLAG_SPACESIGN 0x00000040 |
/** show big characters */ |
#define __PRINTF_FLAG_BIGCHARS 0x00000080 |
/** number has - sign */ |
#define __PRINTF_FLAG_NEGATIVE 0x00000100 |
/** |
* Buffer big enough for 64-bit number printed in base 2, sign, prefix and 0 |
* to terminate string... (last one is only for better testing end of buffer by |
* zero-filling subroutine) |
*/ |
#define PRINT_NUMBER_BUFFER_SIZE (64 + 5) |
/** Enumeration of possible arguments types. |
*/ |
typedef enum { |
PrintfQualifierByte = 0, |
PrintfQualifierShort, |
PrintfQualifierInt, |
PrintfQualifierLong, |
PrintfQualifierLongLong, |
PrintfQualifierPointer |
} qualifier_t; |
static char nullstr[] = "(NULL)"; |
static char digits_small[] = "0123456789abcdef"; |
static char digits_big[] = "0123456789ABCDEF"; |
static char invalch = U_SPECIAL; |
/** Print one or more characters without adding newline. |
* |
* @param buf Buffer holding characters with size of |
* at least size bytes. NULL is not allowed! |
* @param size Size of the buffer in bytes. |
* @param ps Output method and its data. |
* |
* @return Number of characters printed. |
* |
*/ |
static int printf_putnchars(const char *buf, size_t size, |
printf_spec_t *ps) |
{ |
return ps->str_write((void *) buf, size, ps->data); |
} |
/** Print one or more wide characters without adding newline. |
* |
* @param buf Buffer holding wide characters with size of |
* at least size bytes. NULL is not allowed! |
* @param size Size of the buffer in bytes. |
* @param ps Output method and its data. |
* |
* @return Number of wide characters printed. |
* |
*/ |
static int printf_wputnchars(const wchar_t *buf, size_t size, |
printf_spec_t *ps) |
{ |
return ps->wstr_write((void *) buf, size, ps->data); |
} |
/** Print string without adding a newline. |
* |
* @param str String to print. |
* @param ps Write function specification and support data. |
* |
* @return Number of characters printed. |
* |
*/ |
static int printf_putstr(const char *str, printf_spec_t *ps) |
{ |
if (str == NULL) |
return printf_putnchars(nullstr, str_size(nullstr), ps); |
return ps->str_write((void *) str, str_size(str), ps->data); |
} |
/** Print one ASCII character. |
* |
* @param c ASCII character to be printed. |
* @param ps Output method. |
* |
* @return Number of characters printed. |
* |
*/ |
static int printf_putchar(const char ch, printf_spec_t *ps) |
{ |
if (!ascii_check(ch)) |
return ps->str_write((void *) &invalch, 1, ps->data); |
return ps->str_write(&ch, 1, ps->data); |
} |
/** Print one wide character. |
* |
* @param c Wide character to be printed. |
* @param ps Output method. |
* |
* @return Number of characters printed. |
* |
*/ |
static int printf_putwchar(const wchar_t ch, printf_spec_t *ps) |
{ |
if (!chr_check(ch)) |
return ps->str_write((void *) &invalch, 1, ps->data); |
return ps->wstr_write(&ch, sizeof(wchar_t), ps->data); |
} |
/** Print one formatted ASCII character. |
* |
* @param ch Character to print. |
* @param width Width modifier. |
* @param flags Flags that change the way the character is printed. |
* |
* @return Number of characters printed, negative value on failure. |
* |
*/ |
static int print_char(const char ch, int width, uint32_t flags, printf_spec_t *ps) |
{ |
size_t counter = 0; |
if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
while (--width > 0) { |
/* |
* One space is consumed by the character itself, hence |
* the predecrement. |
*/ |
if (printf_putchar(' ', ps) > 0) |
counter++; |
} |
} |
if (printf_putchar(ch, ps) > 0) |
counter++; |
while (--width > 0) { |
/* |
* One space is consumed by the character itself, hence |
* the predecrement. |
*/ |
if (printf_putchar(' ', ps) > 0) |
counter++; |
} |
return (int) (counter + 1); |
} |
/** Print one formatted wide character. |
* |
* @param ch Character to print. |
* @param width Width modifier. |
* @param flags Flags that change the way the character is printed. |
* |
* @return Number of characters printed, negative value on failure. |
* |
*/ |
static int print_wchar(const wchar_t ch, int width, uint32_t flags, printf_spec_t *ps) |
{ |
size_t counter = 0; |
if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
while (--width > 0) { |
/* |
* One space is consumed by the character itself, hence |
* the predecrement. |
*/ |
if (printf_putchar(' ', ps) > 0) |
counter++; |
} |
} |
if (printf_putwchar(ch, ps) > 0) |
counter++; |
while (--width > 0) { |
/* |
* One space is consumed by the character itself, hence |
* the predecrement. |
*/ |
if (printf_putchar(' ', ps) > 0) |
counter++; |
} |
return (int) (counter + 1); |
} |
/** Print string. |
* |
* @param str String to be printed. |
* @param width Width modifier. |
* @param precision Precision modifier. |
* @param flags Flags that modify the way the string is printed. |
* |
* @return Number of characters printed, negative value on failure. |
*/ |
static int print_str(char *str, int width, unsigned int precision, |
uint32_t flags, printf_spec_t *ps) |
{ |
if (str == NULL) |
return printf_putstr(nullstr, ps); |
/* Print leading spaces. */ |
size_t strw = str_length(str); |
if (precision == 0) |
precision = strw; |
/* Left padding */ |
size_t counter = 0; |
width -= precision; |
if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
while (width-- > 0) { |
if (printf_putchar(' ', ps) == 1) |
counter++; |
} |
} |
/* Part of @a str fitting into the alloted space. */ |
int retval; |
size_t size = str_lsize(str, precision); |
if ((retval = printf_putnchars(str, size, ps)) < 0) |
return -counter; |
counter += retval; |
/* Right padding */ |
while (width-- > 0) { |
if (printf_putchar(' ', ps) == 1) |
counter++; |
} |
return ((int) counter); |
} |
/** Print wide string. |
* |
* @param str Wide string to be printed. |
* @param width Width modifier. |
* @param precision Precision modifier. |
* @param flags Flags that modify the way the string is printed. |
* |
* @return Number of wide characters printed, negative value on failure. |
*/ |
static int print_wstr(wchar_t *str, int width, unsigned int precision, |
uint32_t flags, printf_spec_t *ps) |
{ |
if (str == NULL) |
return printf_putstr(nullstr, ps); |
/* Print leading spaces. */ |
size_t strw = wstr_length(str); |
if (precision == 0) |
precision = strw; |
/* Left padding */ |
size_t counter = 0; |
width -= precision; |
if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
while (width-- > 0) { |
if (printf_putchar(' ', ps) == 1) |
counter++; |
} |
} |
/* Part of @a wstr fitting into the alloted space. */ |
int retval; |
size_t size = wstr_lsize(str, precision); |
if ((retval = printf_wputnchars(str, size, ps)) < 0) |
return -counter; |
counter += retval; |
/* Right padding */ |
while (width-- > 0) { |
if (printf_putchar(' ', ps) == 1) |
counter++; |
} |
return ((int) counter); |
} |
/** Print a number in a given base. |
* |
* Print significant digits of a number in given base. |
* |
* @param num Number to print. |
* @param width Width modifier. |
* @param precision Precision modifier. |
* @param base Base to print the number in (must be between 2 and 16). |
* @param flags Flags that modify the way the number is printed. |
* |
* @return Number of characters printed. |
* |
*/ |
static int print_number(uint64_t num, int width, int precision, int base, |
uint32_t flags, printf_spec_t *ps) |
{ |
char *digits; |
if (flags & __PRINTF_FLAG_BIGCHARS) |
digits = digits_big; |
else |
digits = digits_small; |
char data[PRINT_NUMBER_BUFFER_SIZE]; |
char *ptr = &data[PRINT_NUMBER_BUFFER_SIZE - 1]; |
/* Size of number with all prefixes and signs */ |
int size = 0; |
/* Put zero at end of string */ |
*ptr-- = 0; |
if (num == 0) { |
*ptr-- = '0'; |
size++; |
} else { |
do { |
*ptr-- = digits[num % base]; |
size++; |
} while (num /= base); |
} |
/* Size of plain number */ |
int number_size = size; |
/* |
* Collect the sum of all prefixes/signs/etc. to calculate padding and |
* leading zeroes. |
*/ |
if (flags & __PRINTF_FLAG_PREFIX) { |
switch(base) { |
case 2: |
/* Binary formating is not standard, but usefull */ |
size += 2; |
break; |
case 8: |
size++; |
break; |
case 16: |
size += 2; |
break; |
} |
} |
char sgn = 0; |
if (flags & __PRINTF_FLAG_SIGNED) { |
if (flags & __PRINTF_FLAG_NEGATIVE) { |
sgn = '-'; |
size++; |
} else if (flags & __PRINTF_FLAG_SHOWPLUS) { |
sgn = '+'; |
size++; |
} else if (flags & __PRINTF_FLAG_SPACESIGN) { |
sgn = ' '; |
size++; |
} |
} |
if (flags & __PRINTF_FLAG_LEFTALIGNED) |
flags &= ~__PRINTF_FLAG_ZEROPADDED; |
/* |
* If the number is left-aligned or precision is specified then |
* padding with zeros is ignored. |
*/ |
if (flags & __PRINTF_FLAG_ZEROPADDED) { |
if ((precision == 0) && (width > size)) |
precision = width - size + number_size; |
} |
/* Print leading spaces */ |
if (number_size > precision) { |
/* Print the whole number, not only a part */ |
precision = number_size; |
} |
width -= precision + size - number_size; |
size_t counter = 0; |
if (!(flags & __PRINTF_FLAG_LEFTALIGNED)) { |
while (width-- > 0) { |
if (printf_putchar(' ', ps) == 1) |
counter++; |
} |
} |
/* Print sign */ |
if (sgn) { |
if (printf_putchar(sgn, ps) == 1) |
counter++; |
} |
/* Print prefix */ |
if (flags & __PRINTF_FLAG_PREFIX) { |
switch(base) { |
case 2: |
/* Binary formating is not standard, but usefull */ |
if (printf_putchar('0', ps) == 1) |
counter++; |
if (flags & __PRINTF_FLAG_BIGCHARS) { |
if (printf_putchar('B', ps) == 1) |
counter++; |
} else { |
if (printf_putchar('b', ps) == 1) |
counter++; |
} |
break; |
case 8: |
if (printf_putchar('o', ps) == 1) |
counter++; |
break; |
case 16: |
if (printf_putchar('0', ps) == 1) |
counter++; |
if (flags & __PRINTF_FLAG_BIGCHARS) { |
if (printf_putchar('X', ps) == 1) |
counter++; |
} else { |
if (printf_putchar('x', ps) == 1) |
counter++; |
} |
break; |
} |
} |
/* Print leading zeroes */ |
precision -= number_size; |
while (precision-- > 0) { |
if (printf_putchar('0', ps) == 1) |
counter++; |
} |
/* Print the number itself */ |
int retval; |
if ((retval = printf_putstr(++ptr, ps)) > 0) |
counter += retval; |
/* Print tailing spaces */ |
while (width-- > 0) { |
if (printf_putchar(' ', ps) == 1) |
counter++; |
} |
return ((int) counter); |
} |
/** Print formatted string. |
* |
* Print string formatted according to the fmt parameter and variadic arguments. |
* Each formatting directive must have the following form: |
* |
* \% [ FLAGS ] [ WIDTH ] [ .PRECISION ] [ TYPE ] CONVERSION |
* |
* FLAGS:@n |
* - "#" Force to print prefix. For \%o conversion, the prefix is 0, for |
* \%x and \%X prefixes are 0x and 0X and for conversion \%b the |
* prefix is 0b. |
* |
* - "-" Align to left. |
* |
* - "+" Print positive sign just as negative. |
* |
* - " " If the printed number is positive and "+" flag is not set, |
* print space in place of sign. |
* |
* - "0" Print 0 as padding instead of spaces. Zeroes are placed between |
* sign and the rest of the number. This flag is ignored if "-" |
* flag is specified. |
* |
* WIDTH:@n |
* - Specify the minimal width of a printed argument. If it is bigger, |
* width is ignored. If width is specified with a "*" character instead of |
* number, width is taken from parameter list. And integer parameter is |
* expected before parameter for processed conversion specification. If |
* this value is negative its absolute value is taken and the "-" flag is |
* set. |
* |
* PRECISION:@n |
* - Value precision. For numbers it specifies minimum valid numbers. |
* Smaller numbers are printed with leading zeroes. Bigger numbers are not |
* affected. Strings with more than precision characters are cut off. Just |
* as with width, an "*" can be used used instead of a number. An integer |
* value is then expected in parameters. When both width and precision are |
* specified using "*", the first parameter is used for width and the |
* second one for precision. |
* |
* TYPE:@n |
* - "hh" Signed or unsigned char.@n |
* - "h" Signed or unsigned short.@n |
* - "" Signed or unsigned int (default value).@n |
* - "l" Signed or unsigned long int.@n |
* If conversion is "c", the character is wchar_t (wide character).@n |
* If conversion is "s", the string is wchar_t * (wide string).@n |
* - "ll" Signed or unsigned long long int.@n |
* |
* CONVERSION:@n |
* - % Print percentile character itself. |
* |
* - c Print single character. The character is expected to be plain |
* ASCII (e.g. only values 0 .. 127 are valid).@n |
* If type is "l", then the character is expected to be wide character |
* (e.g. values 0 .. 0x10ffff are valid). |
* |
* - s Print zero terminated string. If a NULL value is passed as |
* value, "(NULL)" is printed instead.@n |
* If type is "l", then the string is expected to be wide string. |
* |
* - P, p Print value of a pointer. Void * value is expected and it is |
* printed in hexadecimal notation with prefix (as with \%#X / \%#x |
* for 32-bit or \%#X / \%#x for 64-bit long pointers). |
* |
* - b Print value as unsigned binary number. Prefix is not printed by |
* default. (Nonstandard extension.) |
* |
* - o Print value as unsigned octal number. Prefix is not printed by |
* default. |
* |
* - d, i Print signed decimal number. There is no difference between d |
* and i conversion. |
* |
* - u Print unsigned decimal number. |
* |
* - X, x Print hexadecimal number with upper- or lower-case. Prefix is |
* not printed by default. |
* |
* All other characters from fmt except the formatting directives are printed |
* verbatim. |
* |
* @param fmt Format NULL-terminated string. |
* |
* @return Number of characters printed, negative value on failure. |
* |
*/ |
int printf_core(const char *fmt, printf_spec_t *ps, va_list ap) |
{ |
size_t i; /* Index of the currently processed character from fmt */ |
size_t nxt = 0; /* Index of the next character from fmt */ |
size_t j = 0; /* Index to the first not printed nonformating character */ |
size_t counter = 0; /* Number of characters printed */ |
int retval; /* Return values from nested functions */ |
while (true) { |
i = nxt; |
wchar_t uc = str_decode(fmt, &nxt, STR_NO_LIMIT); |
if (uc == 0) |
break; |
/* Control character */ |
if (uc == '%') { |
/* Print common characters if any processed */ |
if (i > j) { |
if ((retval = printf_putnchars(&fmt[j], i - j, ps)) < 0) { |
/* Error */ |
counter = -counter; |
goto out; |
} |
counter += retval; |
} |
j = i; |
/* Parse modifiers */ |
uint32_t flags = 0; |
bool end = false; |
do { |
i = nxt; |
uc = str_decode(fmt, &nxt, STR_NO_LIMIT); |
switch (uc) { |
case '#': |
flags |= __PRINTF_FLAG_PREFIX; |
break; |
case '-': |
flags |= __PRINTF_FLAG_LEFTALIGNED; |
break; |
case '+': |
flags |= __PRINTF_FLAG_SHOWPLUS; |
break; |
case ' ': |
flags |= __PRINTF_FLAG_SPACESIGN; |
break; |
case '0': |
flags |= __PRINTF_FLAG_ZEROPADDED; |
break; |
default: |
end = true; |
}; |
} while (!end); |
/* Width & '*' operator */ |
int width = 0; |
if (isdigit(uc)) { |
while (true) { |
width *= 10; |
width += uc - '0'; |
i = nxt; |
uc = str_decode(fmt, &nxt, STR_NO_LIMIT); |
if (uc == 0) |
break; |
if (!isdigit(uc)) |
break; |
} |
} else if (uc == '*') { |
/* Get width value from argument list */ |
i = nxt; |
uc = str_decode(fmt, &nxt, STR_NO_LIMIT); |
width = (int) va_arg(ap, int); |
if (width < 0) { |
/* Negative width sets '-' flag */ |
width *= -1; |
flags |= __PRINTF_FLAG_LEFTALIGNED; |
} |
} |
/* Precision and '*' operator */ |
int precision = 0; |
if (uc == '.') { |
i = nxt; |
uc = str_decode(fmt, &nxt, STR_NO_LIMIT); |
if (isdigit(uc)) { |
while (true) { |
precision *= 10; |
precision += uc - '0'; |
i = nxt; |
uc = str_decode(fmt, &nxt, STR_NO_LIMIT); |
if (uc == 0) |
break; |
if (!isdigit(uc)) |
break; |
} |
} else if (uc == '*') { |
/* Get precision value from the argument list */ |
i = nxt; |
uc = str_decode(fmt, &nxt, STR_NO_LIMIT); |
precision = (int) va_arg(ap, int); |
if (precision < 0) { |
/* Ignore negative precision */ |
precision = 0; |
} |
} |
} |
qualifier_t qualifier; |
switch (uc) { |
/** @todo Unimplemented qualifiers: |
* t ptrdiff_t - ISO C 99 |
*/ |
case 'h': |
/* Char or short */ |
qualifier = PrintfQualifierShort; |
i = nxt; |
uc = str_decode(fmt, &nxt, STR_NO_LIMIT); |
if (uc == 'h') { |
i = nxt; |
uc = str_decode(fmt, &nxt, STR_NO_LIMIT); |
qualifier = PrintfQualifierByte; |
} |
break; |
case 'l': |
/* Long or long long */ |
qualifier = PrintfQualifierLong; |
i = nxt; |
uc = str_decode(fmt, &nxt, STR_NO_LIMIT); |
if (uc == 'l') { |
i = nxt; |
uc = str_decode(fmt, &nxt, STR_NO_LIMIT); |
qualifier = PrintfQualifierLongLong; |
} |
break; |
default: |
/* Default type */ |
qualifier = PrintfQualifierInt; |
} |
unsigned int base = 10; |
switch (uc) { |
/* |
* String and character conversions. |
*/ |
case 's': |
if (qualifier == PrintfQualifierLong) |
retval = print_wstr(va_arg(ap, wchar_t *), width, precision, flags, ps); |
else |
retval = print_str(va_arg(ap, char *), width, precision, flags, ps); |
if (retval < 0) { |
counter = -counter; |
goto out; |
} |
counter += retval; |
j = nxt; |
goto next_char; |
case 'c': |
if (qualifier == PrintfQualifierLong) |
retval = print_wchar(va_arg(ap, wchar_t), width, flags, ps); |
else |
retval = print_char(va_arg(ap, unsigned int), width, flags, ps); |
if (retval < 0) { |
counter = -counter; |
goto out; |
}; |
counter += retval; |
j = nxt; |
goto next_char; |
/* |
* Integer values |
*/ |
case 'P': |
/* Pointer */ |
flags |= __PRINTF_FLAG_BIGCHARS; |
case 'p': |
flags |= __PRINTF_FLAG_PREFIX; |
base = 16; |
qualifier = PrintfQualifierPointer; |
break; |
case 'b': |
base = 2; |
break; |
case 'o': |
base = 8; |
break; |
case 'd': |
case 'i': |
flags |= __PRINTF_FLAG_SIGNED; |
case 'u': |
break; |
case 'X': |
flags |= __PRINTF_FLAG_BIGCHARS; |
case 'x': |
base = 16; |
break; |
/* Percentile itself */ |
case '%': |
j = i; |
goto next_char; |
/* |
* Bad formatting. |
*/ |
default: |
/* |
* Unknown format. Now, j is the index of '%' |
* so we will print whole bad format sequence. |
*/ |
goto next_char; |
} |
/* Print integers */ |
size_t size; |
uint64_t number; |
switch (qualifier) { |
case PrintfQualifierByte: |
size = sizeof(unsigned char); |
number = (uint64_t) va_arg(ap, unsigned int); |
break; |
case PrintfQualifierShort: |
size = sizeof(unsigned short); |
number = (uint64_t) va_arg(ap, unsigned int); |
break; |
case PrintfQualifierInt: |
size = sizeof(unsigned int); |
number = (uint64_t) va_arg(ap, unsigned int); |
break; |
case PrintfQualifierLong: |
size = sizeof(unsigned long); |
number = (uint64_t) va_arg(ap, unsigned long); |
break; |
case PrintfQualifierLongLong: |
size = sizeof(unsigned long long); |
number = (uint64_t) va_arg(ap, unsigned long long); |
break; |
case PrintfQualifierPointer: |
size = sizeof(void *); |
number = (uint64_t) (unsigned long) va_arg(ap, void *); |
break; |
default: |
/* Unknown qualifier */ |
counter = -counter; |
goto out; |
} |
if (flags & __PRINTF_FLAG_SIGNED) { |
if (number & (0x1 << (size * 8 - 1))) { |
flags |= __PRINTF_FLAG_NEGATIVE; |
if (size == sizeof(uint64_t)) { |
number = -((int64_t) number); |
} else { |
number = ~number; |
number &= |
~(0xFFFFFFFFFFFFFFFFll << |
(size * 8)); |
number++; |
} |
} |
} |
if ((retval = print_number(number, width, precision, |
base, flags, ps)) < 0) { |
counter = -counter; |
goto out; |
} |
counter += retval; |
j = nxt; |
} |
next_char: |
; |
} |
if (i > j) { |
if ((retval = printf_putnchars(&fmt[j], i - j, ps)) < 0) { |
/* Error */ |
counter = -counter; |
goto out; |
} |
counter += retval; |
} |
out: |
return ((int) counter); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/printf/vprintf.c |
---|
0,0 → 1,107 |
/* |
* Copyright (c) 2006 Josef Cejka |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#include <print.h> |
#include <printf/printf_core.h> |
#include <putchar.h> |
#include <synch/spinlock.h> |
#include <arch/asm.h> |
#include <arch/types.h> |
#include <typedefs.h> |
#include <string.h> |
SPINLOCK_INITIALIZE(printf_lock); /**< vprintf spinlock */ |
static int vprintf_str_write(const char *str, size_t size, void *data) |
{ |
size_t offset = 0; |
size_t chars = 0; |
while (offset < size) { |
putchar(str_decode(str, &offset, size)); |
chars++; |
} |
return chars; |
} |
static int vprintf_wstr_write(const wchar_t *str, size_t size, void *data) |
{ |
size_t offset = 0; |
size_t chars = 0; |
while (offset < size) { |
putchar(str[chars]); |
chars++; |
offset += sizeof(wchar_t); |
} |
return chars; |
} |
int puts(const char *str) |
{ |
size_t offset = 0; |
size_t chars = 0; |
wchar_t uc; |
while ((uc = str_decode(str, &offset, STR_NO_LIMIT)) != 0) { |
putchar(uc); |
chars++; |
} |
return chars; |
} |
int vprintf(const char *fmt, va_list ap) |
{ |
printf_spec_t ps = { |
vprintf_str_write, |
vprintf_wstr_write, |
NULL |
}; |
ipl_t ipl = interrupts_disable(); |
spinlock_lock(&printf_lock); |
int ret = printf_core(fmt, &ps, ap); |
spinlock_unlock(&printf_lock); |
interrupts_restore(ipl); |
return ret; |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/printf/vsnprintf.c |
---|
0,0 → 1,186 |
/* |
* Copyright (c) 2006 Josef Cejka |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#include <print.h> |
#include <printf/printf_core.h> |
#include <string.h> |
#include <memstr.h> |
#include <errno.h> |
typedef struct { |
size_t size; /* Total size of the buffer (in bytes) */ |
size_t len; /* Number of already used bytes */ |
char *dst; /* Destination */ |
} vsnprintf_data_t; |
/** Write string to given buffer. |
* |
* Write at most data->size plain characters including trailing zero. |
* According to C99, snprintf() has to return number of characters that |
* would have been written if enough space had been available. Hence |
* the return value is not the number of actually printed characters |
* but size of the input string. |
* |
* @param str Source string to print. |
* @param size Number of plain characters in str. |
* @param data Structure describing destination string, counter |
* of used space and total string size. |
* |
* @return Number of characters to print (not characters actually |
* printed). |
* |
*/ |
static int vsnprintf_str_write(const char *str, size_t size, vsnprintf_data_t *data) |
{ |
size_t left = data->size - data->len; |
if (left == 0) |
return ((int) size); |
if (left == 1) { |
/* We have only one free byte left in buffer |
* -> store trailing zero |
*/ |
data->dst[data->size - 1] = 0; |
data->len = data->size; |
return ((int) size); |
} |
if (left <= size) { |
/* We do not have enough space for the whole string |
* with the trailing zero => print only a part |
* of string |
*/ |
size_t index = 0; |
while (index < size) { |
wchar_t uc = str_decode(str, &index, size); |
if (chr_encode(uc, data->dst, &data->len, data->size - 1) != EOK) |
break; |
} |
/* Put trailing zero at end, but not count it |
* into data->len so it could be rewritten next time |
*/ |
data->dst[data->len] = 0; |
return ((int) size); |
} |
/* Buffer is big enought to print the whole string */ |
memcpy((void *)(data->dst + data->len), (void *) str, size); |
data->len += size; |
/* Put trailing zero at end, but not count it |
* into data->len so it could be rewritten next time |
*/ |
data->dst[data->len] = 0; |
return ((int) size); |
} |
/** Write wide string to given buffer. |
* |
* Write at most data->size plain characters including trailing zero. |
* According to C99, snprintf() has to return number of characters that |
* would have been written if enough space had been available. Hence |
* the return value is not the number of actually printed characters |
* but size of the input string. |
* |
* @param str Source wide string to print. |
* @param size Number of bytes in str. |
* @param data Structure describing destination string, counter |
* of used space and total string size. |
* |
* @return Number of wide characters to print (not characters actually |
* printed). |
* |
*/ |
static int vsnprintf_wstr_write(const wchar_t *str, size_t size, vsnprintf_data_t *data) |
{ |
size_t index = 0; |
while (index < (size / sizeof(wchar_t))) { |
size_t left = data->size - data->len; |
if (left == 0) |
return ((int) size); |
if (left == 1) { |
/* We have only one free byte left in buffer |
* -> store trailing zero |
*/ |
data->dst[data->size - 1] = 0; |
data->len = data->size; |
return ((int) size); |
} |
if (chr_encode(str[index], data->dst, &data->len, data->size - 1) != EOK) |
break; |
index++; |
} |
/* Put trailing zero at end, but not count it |
* into data->len so it could be rewritten next time |
*/ |
data->dst[data->len] = 0; |
return ((int) size); |
} |
int vsnprintf(char *str, size_t size, const char *fmt, va_list ap) |
{ |
vsnprintf_data_t data = { |
size, |
0, |
str |
}; |
printf_spec_t ps = { |
(int(*) (const char *, size_t, void *)) vsnprintf_str_write, |
(int(*) (const wchar_t *, size_t, void *)) vsnprintf_wstr_write, |
&data |
}; |
/* Print 0 at end of string - fix the case that nothing will be printed */ |
if (size > 0) |
str[0] = 0; |
/* vsnprintf_write ensures that str will be terminated by zero. */ |
return printf_core(fmt, &ps, ap); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/printf/printf.c |
---|
0,0 → 1,52 |
/* |
* Copyright (c) 2006 Josef Cejka |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#include <print.h> |
int printf(const char *fmt, ...) |
{ |
int ret; |
va_list args; |
va_start(args, fmt); |
ret = vprintf(fmt, args); |
va_end(args); |
return ret; |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/printf/snprintf.c |
---|
0,0 → 1,52 |
/* |
* Copyright (c) 2006 Josef Cejka |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#include <print.h> |
#include <printf/printf_core.h> |
int snprintf(char *str, size_t size, const char *fmt, ...) |
{ |
int ret; |
va_list args; |
va_start(args, fmt); |
ret = vsnprintf(str, size, fmt, args); |
va_end(args); |
return ret; |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/synch/spinlock.c |
---|
0,0 → 1,158 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sync |
* @{ |
*/ |
/** |
* @file |
* @brief Spinlocks. |
*/ |
#include <synch/spinlock.h> |
#include <atomic.h> |
#include <arch/barrier.h> |
#include <arch.h> |
#include <preemption.h> |
#include <print.h> |
#include <debug.h> |
#include <symtab.h> |
#ifdef CONFIG_FB |
#include <genarch/fb/fb.h> |
#endif |
#ifdef CONFIG_SMP |
/** Initialize spinlock |
* |
* Initialize spinlock. |
* |
* @param sl Pointer to spinlock_t structure. |
*/ |
void spinlock_initialize(spinlock_t *sl, char *name) |
{ |
atomic_set(&sl->val, 0); |
#ifdef CONFIG_DEBUG_SPINLOCK |
sl->name = name; |
#endif |
} |
/** Lock spinlock |
* |
* Lock spinlock. |
* This version has limitted ability to report |
* possible occurence of deadlock. |
* |
* @param sl Pointer to spinlock_t structure. |
*/ |
#ifdef CONFIG_DEBUG_SPINLOCK |
void spinlock_lock_debug(spinlock_t *sl) |
{ |
size_t i = 0; |
bool deadlock_reported = false; |
preemption_disable(); |
while (test_and_set(&sl->val)) { |
/* |
* We need to be careful about printf_lock and fb_lock. |
* Both of them are used to report deadlocks via |
* printf() and fb_putchar(). |
* |
* We trust our code that there is no possible deadlock |
* caused by these two locks (except when an exception |
* is triggered for instance by printf() or fb_putchar()). |
* However, we encountered false positives caused by very |
* slow VESA framebuffer interaction (especially when |
* run in a simulator) that caused problems with both |
* printf_lock and fb_lock. |
* |
* Possible deadlocks on both printf_lock and fb_lock |
* are therefore not reported as they would cause an |
* infinite recursion. |
*/ |
if (sl == &printf_lock) |
continue; |
#ifdef CONFIG_FB |
if (sl == &fb_lock) |
continue; |
#endif |
if (i++ > DEADLOCK_THRESHOLD) { |
printf("cpu%u: looping on spinlock %" PRIp ":%s, " |
"caller=%" PRIp "(%s)\n", CPU->id, sl, sl->name, |
CALLER, symtab_fmt_name_lookup(CALLER)); |
i = 0; |
deadlock_reported = true; |
} |
} |
if (deadlock_reported) |
printf("cpu%u: not deadlocked\n", CPU->id); |
/* |
* Prevent critical section code from bleeding out this way up. |
*/ |
CS_ENTER_BARRIER(); |
} |
#endif |
/** Lock spinlock conditionally |
* |
* Lock spinlock conditionally. |
* If the spinlock is not available at the moment, |
* signal failure. |
* |
* @param sl Pointer to spinlock_t structure. |
* |
* @return Zero on failure, non-zero otherwise. |
*/ |
int spinlock_trylock(spinlock_t *sl) |
{ |
int rc; |
preemption_disable(); |
rc = !test_and_set(&sl->val); |
/* |
* Prevent critical section code from bleeding out this way up. |
*/ |
CS_ENTER_BARRIER(); |
if (!rc) |
preemption_enable(); |
return rc; |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/src/synch/waitq.c |
---|
0,0 → 1,462 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sync |
* @{ |
*/ |
/** |
* @file |
* @brief Wait queue. |
* |
* Wait queue is the basic synchronization primitive upon which all |
* other synchronization primitives build. |
* |
* It allows threads to wait for an event in first-come, first-served |
* fashion. Conditional operation as well as timeouts and interruptions |
* are supported. |
*/ |
#include <synch/waitq.h> |
#include <synch/synch.h> |
#include <synch/spinlock.h> |
#include <proc/thread.h> |
#include <proc/scheduler.h> |
#include <arch/asm.h> |
#include <arch/types.h> |
#include <time/timeout.h> |
#include <arch.h> |
#include <context.h> |
#include <adt/list.h> |
static void waitq_sleep_timed_out(void *data); |
/** Initialize wait queue |
* |
* Initialize wait queue. |
* |
* @param wq Pointer to wait queue to be initialized. |
*/ |
void waitq_initialize(waitq_t *wq) |
{ |
spinlock_initialize(&wq->lock, "waitq_lock"); |
list_initialize(&wq->head); |
wq->missed_wakeups = 0; |
} |
/** Handle timeout during waitq_sleep_timeout() call |
* |
* This routine is called when waitq_sleep_timeout() times out. |
* Interrupts are disabled. |
* |
* It is supposed to try to remove 'its' thread from the wait queue; |
* it can eventually fail to achieve this goal when these two events |
* overlap. In that case it behaves just as though there was no |
* timeout at all. |
* |
* @param data Pointer to the thread that called waitq_sleep_timeout(). |
*/ |
void waitq_sleep_timed_out(void *data) |
{ |
thread_t *t = (thread_t *) data; |
waitq_t *wq; |
bool do_wakeup = false; |
DEADLOCK_PROBE_INIT(p_wqlock); |
spinlock_lock(&threads_lock); |
if (!thread_exists(t)) |
goto out; |
grab_locks: |
spinlock_lock(&t->lock); |
if ((wq = t->sleep_queue)) { /* assignment */ |
if (!spinlock_trylock(&wq->lock)) { |
spinlock_unlock(&t->lock); |
DEADLOCK_PROBE(p_wqlock, DEADLOCK_THRESHOLD); |
goto grab_locks; /* avoid deadlock */ |
} |
list_remove(&t->wq_link); |
t->saved_context = t->sleep_timeout_context; |
do_wakeup = true; |
t->sleep_queue = NULL; |
spinlock_unlock(&wq->lock); |
} |
t->timeout_pending = false; |
spinlock_unlock(&t->lock); |
if (do_wakeup) |
thread_ready(t); |
out: |
spinlock_unlock(&threads_lock); |
} |
/** Interrupt sleeping thread. |
* |
* This routine attempts to interrupt a thread from its sleep in a waitqueue. |
* If the thread is not found sleeping, no action is taken. |
* |
* @param t Thread to be interrupted. |
*/ |
void waitq_interrupt_sleep(thread_t *t) |
{ |
waitq_t *wq; |
bool do_wakeup = false; |
ipl_t ipl; |
DEADLOCK_PROBE_INIT(p_wqlock); |
ipl = interrupts_disable(); |
spinlock_lock(&threads_lock); |
if (!thread_exists(t)) |
goto out; |
grab_locks: |
spinlock_lock(&t->lock); |
if ((wq = t->sleep_queue)) { /* assignment */ |
if (!(t->sleep_interruptible)) { |
/* |
* The sleep cannot be interrupted. |
*/ |
spinlock_unlock(&t->lock); |
goto out; |
} |
if (!spinlock_trylock(&wq->lock)) { |
spinlock_unlock(&t->lock); |
DEADLOCK_PROBE(p_wqlock, DEADLOCK_THRESHOLD); |
goto grab_locks; /* avoid deadlock */ |
} |
if (t->timeout_pending && timeout_unregister(&t->sleep_timeout)) |
t->timeout_pending = false; |
list_remove(&t->wq_link); |
t->saved_context = t->sleep_interruption_context; |
do_wakeup = true; |
t->sleep_queue = NULL; |
spinlock_unlock(&wq->lock); |
} |
spinlock_unlock(&t->lock); |
if (do_wakeup) |
thread_ready(t); |
out: |
spinlock_unlock(&threads_lock); |
interrupts_restore(ipl); |
} |
/** Sleep until either wakeup, timeout or interruption occurs |
* |
* This is a sleep implementation which allows itself to time out or to be |
* interrupted from the sleep, restoring a failover context. |
* |
* Sleepers are organised in a FIFO fashion in a structure called wait queue. |
* |
* This function is really basic in that other functions as waitq_sleep() |
* and all the *_timeout() functions use it. |
* |
* @param wq Pointer to wait queue. |
* @param usec Timeout in microseconds. |
* @param flags Specify mode of the sleep. |
* |
* The sleep can be interrupted only if the |
* SYNCH_FLAGS_INTERRUPTIBLE bit is specified in flags. |
* |
* If usec is greater than zero, regardless of the value of the |
* SYNCH_FLAGS_NON_BLOCKING bit in flags, the call will not return until either |
* timeout, interruption or wakeup comes. |
* |
* If usec is zero and the SYNCH_FLAGS_NON_BLOCKING bit is not set in flags, |
* the call will not return until wakeup or interruption comes. |
* |
* If usec is zero and the SYNCH_FLAGS_NON_BLOCKING bit is set in flags, the |
* call will immediately return, reporting either success or failure. |
* |
* @return Returns one of ESYNCH_WOULD_BLOCK, ESYNCH_TIMEOUT, |
* ESYNCH_INTERRUPTED, ESYNCH_OK_ATOMIC and |
* ESYNCH_OK_BLOCKED. |
* |
* @li ESYNCH_WOULD_BLOCK means that the sleep failed because at the time of |
* the call there was no pending wakeup. |
* |
* @li ESYNCH_TIMEOUT means that the sleep timed out. |
* |
* @li ESYNCH_INTERRUPTED means that somebody interrupted the sleeping thread. |
* |
* @li ESYNCH_OK_ATOMIC means that the sleep succeeded and that there was |
* a pending wakeup at the time of the call. The caller was not put |
* asleep at all. |
* |
* @li ESYNCH_OK_BLOCKED means that the sleep succeeded; the full sleep was |
* attempted. |
*/ |
int waitq_sleep_timeout(waitq_t *wq, uint32_t usec, int flags) |
{ |
ipl_t ipl; |
int rc; |
ipl = waitq_sleep_prepare(wq); |
rc = waitq_sleep_timeout_unsafe(wq, usec, flags); |
waitq_sleep_finish(wq, rc, ipl); |
return rc; |
} |
/** Prepare to sleep in a waitq. |
* |
* This function will return holding the lock of the wait queue |
* and interrupts disabled. |
* |
* @param wq Wait queue. |
* |
* @return Interrupt level as it existed on entry to this function. |
*/ |
ipl_t waitq_sleep_prepare(waitq_t *wq) |
{ |
ipl_t ipl; |
restart: |
ipl = interrupts_disable(); |
if (THREAD) { /* needed during system initiailzation */ |
/* |
* Busy waiting for a delayed timeout. |
* This is an important fix for the race condition between |
* a delayed timeout and a next call to waitq_sleep_timeout(). |
* Simply, the thread is not allowed to go to sleep if |
* there are timeouts in progress. |
*/ |
spinlock_lock(&THREAD->lock); |
if (THREAD->timeout_pending) { |
spinlock_unlock(&THREAD->lock); |
interrupts_restore(ipl); |
goto restart; |
} |
spinlock_unlock(&THREAD->lock); |
} |
spinlock_lock(&wq->lock); |
return ipl; |
} |
/** Finish waiting in a wait queue. |
* |
* This function restores interrupts to the state that existed prior |
* to the call to waitq_sleep_prepare(). If necessary, the wait queue |
* lock is released. |
* |
* @param wq Wait queue. |
* @param rc Return code of waitq_sleep_timeout_unsafe(). |
* @param ipl Interrupt level returned by waitq_sleep_prepare(). |
*/ |
void waitq_sleep_finish(waitq_t *wq, int rc, ipl_t ipl) |
{ |
switch (rc) { |
case ESYNCH_WOULD_BLOCK: |
case ESYNCH_OK_ATOMIC: |
spinlock_unlock(&wq->lock); |
break; |
default: |
break; |
} |
interrupts_restore(ipl); |
} |
/** Internal implementation of waitq_sleep_timeout(). |
* |
* This function implements logic of sleeping in a wait queue. |
* This call must be preceded by a call to waitq_sleep_prepare() |
* and followed by a call to waitq_sleep_finish(). |
* |
* @param wq See waitq_sleep_timeout(). |
* @param usec See waitq_sleep_timeout(). |
* @param flags See waitq_sleep_timeout(). |
* |
* @return See waitq_sleep_timeout(). |
*/ |
int waitq_sleep_timeout_unsafe(waitq_t *wq, uint32_t usec, int flags) |
{ |
/* checks whether to go to sleep at all */ |
if (wq->missed_wakeups) { |
wq->missed_wakeups--; |
return ESYNCH_OK_ATOMIC; |
} |
else { |
if ((flags & SYNCH_FLAGS_NON_BLOCKING) && (usec == 0)) { |
/* return immediatelly instead of going to sleep */ |
return ESYNCH_WOULD_BLOCK; |
} |
} |
/* |
* Now we are firmly decided to go to sleep. |
*/ |
spinlock_lock(&THREAD->lock); |
if (flags & SYNCH_FLAGS_INTERRUPTIBLE) { |
/* |
* If the thread was already interrupted, |
* don't go to sleep at all. |
*/ |
if (THREAD->interrupted) { |
spinlock_unlock(&THREAD->lock); |
spinlock_unlock(&wq->lock); |
return ESYNCH_INTERRUPTED; |
} |
/* |
* Set context that will be restored if the sleep |
* of this thread is ever interrupted. |
*/ |
THREAD->sleep_interruptible = true; |
if (!context_save(&THREAD->sleep_interruption_context)) { |
/* Short emulation of scheduler() return code. */ |
spinlock_unlock(&THREAD->lock); |
return ESYNCH_INTERRUPTED; |
} |
} else { |
THREAD->sleep_interruptible = false; |
} |
if (usec) { |
/* We use the timeout variant. */ |
if (!context_save(&THREAD->sleep_timeout_context)) { |
/* Short emulation of scheduler() return code. */ |
spinlock_unlock(&THREAD->lock); |
return ESYNCH_TIMEOUT; |
} |
THREAD->timeout_pending = true; |
timeout_register(&THREAD->sleep_timeout, (uint64_t) usec, |
waitq_sleep_timed_out, THREAD); |
} |
list_append(&THREAD->wq_link, &wq->head); |
/* |
* Suspend execution. |
*/ |
THREAD->state = Sleeping; |
THREAD->sleep_queue = wq; |
spinlock_unlock(&THREAD->lock); |
/* wq->lock is released in scheduler_separated_stack() */ |
scheduler(); |
return ESYNCH_OK_BLOCKED; |
} |
/** Wake up first thread sleeping in a wait queue |
* |
* Wake up first thread sleeping in a wait queue. This is the SMP- and IRQ-safe |
* wrapper meant for general use. |
* |
* Besides its 'normal' wakeup operation, it attempts to unregister possible |
* timeout. |
* |
* @param wq Pointer to wait queue. |
* @param mode Wakeup mode. |
*/ |
void waitq_wakeup(waitq_t *wq, wakeup_mode_t mode) |
{ |
ipl_t ipl; |
ipl = interrupts_disable(); |
spinlock_lock(&wq->lock); |
_waitq_wakeup_unsafe(wq, mode); |
spinlock_unlock(&wq->lock); |
interrupts_restore(ipl); |
} |
/** Internal SMP- and IRQ-unsafe version of waitq_wakeup() |
* |
* This is the internal SMP- and IRQ-unsafe version of waitq_wakeup(). It |
* assumes wq->lock is already locked and interrupts are already disabled. |
* |
* @param wq Pointer to wait queue. |
* @param mode If mode is WAKEUP_FIRST, then the longest waiting |
* thread, if any, is woken up. If mode is WAKEUP_ALL, then |
* all waiting threads, if any, are woken up. If there are |
* no waiting threads to be woken up, the missed wakeup is |
* recorded in the wait queue. |
*/ |
void _waitq_wakeup_unsafe(waitq_t *wq, wakeup_mode_t mode) |
{ |
thread_t *t; |
size_t count = 0; |
loop: |
if (list_empty(&wq->head)) { |
wq->missed_wakeups++; |
if (count && mode == WAKEUP_ALL) |
wq->missed_wakeups--; |
return; |
} |
count++; |
t = list_get_instance(wq->head.next, thread_t, wq_link); |
/* |
* Lock the thread prior to removing it from the wq. |
* This is not necessary because of mutual exclusion |
* (the link belongs to the wait queue), but because |
* of synchronization with waitq_sleep_timed_out() |
* and thread_interrupt_sleep(). |
* |
* In order for these two functions to work, the following |
* invariant must hold: |
* |
* t->sleep_queue != NULL <=> t sleeps in a wait queue |
* |
* For an observer who locks the thread, the invariant |
* holds only when the lock is held prior to removing |
* it from the wait queue. |
*/ |
spinlock_lock(&t->lock); |
list_remove(&t->wq_link); |
if (t->timeout_pending && timeout_unregister(&t->sleep_timeout)) |
t->timeout_pending = false; |
t->sleep_queue = NULL; |
spinlock_unlock(&t->lock); |
thread_ready(t); |
if (mode == WAKEUP_ALL) |
goto loop; |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/synch/futex.c |
---|
0,0 → 1,354 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sync |
* @{ |
*/ |
/** |
* @file |
* @brief Kernel backend for futexes. |
*/ |
#include <synch/futex.h> |
#include <synch/rwlock.h> |
#include <synch/spinlock.h> |
#include <synch/synch.h> |
#include <mm/frame.h> |
#include <mm/page.h> |
#include <mm/slab.h> |
#include <proc/thread.h> |
#include <proc/task.h> |
#include <genarch/mm/page_pt.h> |
#include <genarch/mm/page_ht.h> |
#include <adt/hash_table.h> |
#include <adt/list.h> |
#include <arch.h> |
#include <align.h> |
#include <panic.h> |
#include <errno.h> |
#include <print.h> |
#define FUTEX_HT_SIZE 1024 /* keep it a power of 2 */ |
static void futex_initialize(futex_t *futex); |
static futex_t *futex_find(uintptr_t paddr); |
static size_t futex_ht_hash(unative_t *key); |
static bool futex_ht_compare(unative_t *key, size_t keys, link_t *item); |
static void futex_ht_remove_callback(link_t *item); |
/** |
* Read-write lock protecting global futex hash table. |
* It is also used to serialize access to all futex_t structures. |
* Must be acquired before the task futex B+tree lock. |
*/ |
static rwlock_t futex_ht_lock; |
/** Futex hash table. */ |
static hash_table_t futex_ht; |
/** Futex hash table operations. */ |
static hash_table_operations_t futex_ht_ops = { |
.hash = futex_ht_hash, |
.compare = futex_ht_compare, |
.remove_callback = futex_ht_remove_callback |
}; |
/** Initialize futex subsystem. */ |
void futex_init(void) |
{ |
rwlock_initialize(&futex_ht_lock); |
hash_table_create(&futex_ht, FUTEX_HT_SIZE, 1, &futex_ht_ops); |
} |
/** Initialize kernel futex structure. |
* |
* @param futex Kernel futex structure. |
*/ |
void futex_initialize(futex_t *futex) |
{ |
waitq_initialize(&futex->wq); |
link_initialize(&futex->ht_link); |
futex->paddr = 0; |
futex->refcount = 1; |
} |
/** Sleep in futex wait queue. |
* |
* @param uaddr Userspace address of the futex counter. |
* @param usec If non-zero, number of microseconds this thread is willing to |
* sleep. |
* @param flags Select mode of operation. |
* |
* @return One of ESYNCH_TIMEOUT, ESYNCH_OK_ATOMIC and ESYNCH_OK_BLOCKED. See |
* synch.h. If there is no physical mapping for uaddr ENOENT is returned. |
*/ |
unative_t sys_futex_sleep_timeout(uintptr_t uaddr, uint32_t usec, int flags) |
{ |
futex_t *futex; |
uintptr_t paddr; |
pte_t *t; |
ipl_t ipl; |
int rc; |
ipl = interrupts_disable(); |
/* |
* Find physical address of futex counter. |
*/ |
page_table_lock(AS, true); |
t = page_mapping_find(AS, ALIGN_DOWN(uaddr, PAGE_SIZE)); |
if (!t || !PTE_VALID(t) || !PTE_PRESENT(t)) { |
page_table_unlock(AS, true); |
interrupts_restore(ipl); |
return (unative_t) ENOENT; |
} |
paddr = PTE_GET_FRAME(t) + (uaddr - ALIGN_DOWN(uaddr, PAGE_SIZE)); |
page_table_unlock(AS, true); |
interrupts_restore(ipl); |
futex = futex_find(paddr); |
#ifdef CONFIG_UDEBUG |
udebug_stoppable_begin(); |
#endif |
rc = waitq_sleep_timeout(&futex->wq, usec, flags | |
SYNCH_FLAGS_INTERRUPTIBLE); |
#ifdef CONFIG_UDEBUG |
udebug_stoppable_end(); |
#endif |
return (unative_t) rc; |
} |
/** Wakeup one thread waiting in futex wait queue. |
* |
* @param uaddr Userspace address of the futex counter. |
* |
* @return ENOENT if there is no physical mapping for uaddr. |
*/ |
unative_t sys_futex_wakeup(uintptr_t uaddr) |
{ |
futex_t *futex; |
uintptr_t paddr; |
pte_t *t; |
ipl_t ipl; |
ipl = interrupts_disable(); |
/* |
* Find physical address of futex counter. |
*/ |
page_table_lock(AS, true); |
t = page_mapping_find(AS, ALIGN_DOWN(uaddr, PAGE_SIZE)); |
if (!t || !PTE_VALID(t) || !PTE_PRESENT(t)) { |
page_table_unlock(AS, true); |
interrupts_restore(ipl); |
return (unative_t) ENOENT; |
} |
paddr = PTE_GET_FRAME(t) + (uaddr - ALIGN_DOWN(uaddr, PAGE_SIZE)); |
page_table_unlock(AS, true); |
interrupts_restore(ipl); |
futex = futex_find(paddr); |
waitq_wakeup(&futex->wq, WAKEUP_FIRST); |
return 0; |
} |
/** Find kernel address of the futex structure corresponding to paddr. |
* |
* If the structure does not exist already, a new one is created. |
* |
* @param paddr Physical address of the userspace futex counter. |
* |
* @return Address of the kernel futex structure. |
*/ |
futex_t *futex_find(uintptr_t paddr) |
{ |
link_t *item; |
futex_t *futex; |
btree_node_t *leaf; |
/* |
* Find the respective futex structure |
* or allocate new one if it does not exist already. |
*/ |
rwlock_read_lock(&futex_ht_lock); |
item = hash_table_find(&futex_ht, &paddr); |
if (item) { |
futex = hash_table_get_instance(item, futex_t, ht_link); |
/* |
* See if the current task knows this futex. |
*/ |
mutex_lock(&TASK->futexes_lock); |
if (!btree_search(&TASK->futexes, paddr, &leaf)) { |
/* |
* The futex is new to the current task. |
* However, we only have read access. |
* Gain write access and try again. |
*/ |
mutex_unlock(&TASK->futexes_lock); |
goto gain_write_access; |
} |
mutex_unlock(&TASK->futexes_lock); |
rwlock_read_unlock(&futex_ht_lock); |
} else { |
gain_write_access: |
/* |
* Upgrade to writer is not currently supported, |
* therefore, it is necessary to release the read lock |
* and reacquire it as a writer. |
*/ |
rwlock_read_unlock(&futex_ht_lock); |
rwlock_write_lock(&futex_ht_lock); |
/* |
* Avoid possible race condition by searching |
* the hash table once again with write access. |
*/ |
item = hash_table_find(&futex_ht, &paddr); |
if (item) { |
futex = hash_table_get_instance(item, futex_t, ht_link); |
/* |
* See if this futex is known to the current task. |
*/ |
mutex_lock(&TASK->futexes_lock); |
if (!btree_search(&TASK->futexes, paddr, &leaf)) { |
/* |
* The futex is new to the current task. |
* Upgrade its reference count and put it to the |
* current task's B+tree of known futexes. |
*/ |
futex->refcount++; |
btree_insert(&TASK->futexes, paddr, futex, |
leaf); |
} |
mutex_unlock(&TASK->futexes_lock); |
rwlock_write_unlock(&futex_ht_lock); |
} else { |
futex = (futex_t *) malloc(sizeof(futex_t), 0); |
futex_initialize(futex); |
futex->paddr = paddr; |
hash_table_insert(&futex_ht, &paddr, &futex->ht_link); |
/* |
* This is the first task referencing the futex. |
* It can be directly inserted into its |
* B+tree of known futexes. |
*/ |
mutex_lock(&TASK->futexes_lock); |
btree_insert(&TASK->futexes, paddr, futex, NULL); |
mutex_unlock(&TASK->futexes_lock); |
rwlock_write_unlock(&futex_ht_lock); |
} |
} |
return futex; |
} |
/** Compute hash index into futex hash table. |
* |
* @param key Address where the key (i.e. physical address of futex counter) is |
* stored. |
* |
* @return Index into futex hash table. |
*/ |
size_t futex_ht_hash(unative_t *key) |
{ |
return (*key & (FUTEX_HT_SIZE - 1)); |
} |
/** Compare futex hash table item with a key. |
* |
* @param key Address where the key (i.e. physical address of futex counter) is |
* stored. |
* |
* @return True if the item matches the key. False otherwise. |
*/ |
bool futex_ht_compare(unative_t *key, size_t keys, link_t *item) |
{ |
futex_t *futex; |
ASSERT(keys == 1); |
futex = hash_table_get_instance(item, futex_t, ht_link); |
return *key == futex->paddr; |
} |
/** Callback for removal items from futex hash table. |
* |
* @param item Item removed from the hash table. |
*/ |
void futex_ht_remove_callback(link_t *item) |
{ |
futex_t *futex; |
futex = hash_table_get_instance(item, futex_t, ht_link); |
free(futex); |
} |
/** Remove references from futexes known to the current task. */ |
void futex_cleanup(void) |
{ |
link_t *cur; |
rwlock_write_lock(&futex_ht_lock); |
mutex_lock(&TASK->futexes_lock); |
for (cur = TASK->futexes.leaf_head.next; |
cur != &TASK->futexes.leaf_head; cur = cur->next) { |
btree_node_t *node; |
unsigned int i; |
node = list_get_instance(cur, btree_node_t, leaf_link); |
for (i = 0; i < node->keys; i++) { |
futex_t *ftx; |
uintptr_t paddr = node->key[i]; |
ftx = (futex_t *) node->value[i]; |
if (--ftx->refcount == 0) |
hash_table_remove(&futex_ht, &paddr, 1); |
} |
} |
mutex_unlock(&TASK->futexes_lock); |
rwlock_write_unlock(&futex_ht_lock); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/synch/rwlock.c |
---|
0,0 → 1,393 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sync |
* @{ |
*/ |
/** |
* @file |
* @brief Reader/Writer locks. |
* |
* A reader/writer lock can be held by multiple readers at a time. |
* Or it can be exclusively held by a sole writer at a time. |
* |
* These locks are not recursive. |
* Because a technique called direct hand-off is used and because |
* waiting takes place in a single wait queue, neither readers |
* nor writers will suffer starvation. |
* |
* If there is a writer followed by a reader waiting for the rwlock |
* and the writer times out, all leading readers are automatically woken up |
* and allowed in. |
*/ |
/* |
* NOTE ON rwlock_holder_type |
* This field is set on an attempt to acquire the exclusive mutex |
* to the respective value depending whether the caller is a reader |
* or a writer. The field is examined only if the thread had been |
* previously blocked on the exclusive mutex. Thus it is save |
* to store the rwlock type in the thread structure, because |
* each thread can block on only one rwlock at a time. |
*/ |
#include <synch/rwlock.h> |
#include <synch/spinlock.h> |
#include <synch/mutex.h> |
#include <synch/waitq.h> |
#include <synch/synch.h> |
#include <adt/list.h> |
#include <arch/asm.h> |
#include <arch.h> |
#include <proc/thread.h> |
#include <panic.h> |
#define ALLOW_ALL 0 |
#define ALLOW_READERS_ONLY 1 |
static void let_others_in(rwlock_t *rwl, int readers_only); |
static void release_spinlock(void *arg); |
/** Initialize reader/writer lock |
* |
* Initialize reader/writer lock. |
* |
* @param rwl Reader/Writer lock. |
*/ |
void rwlock_initialize(rwlock_t *rwl) { |
spinlock_initialize(&rwl->lock, "rwlock_t"); |
mutex_initialize(&rwl->exclusive, MUTEX_PASSIVE); |
rwl->readers_in = 0; |
} |
/** Acquire reader/writer lock for reading |
* |
* Acquire reader/writer lock for reading. |
* Timeout and willingness to block may be specified. |
* |
* @param rwl Reader/Writer lock. |
* @param usec Timeout in microseconds. |
* @param flags Specify mode of operation. |
* |
* For exact description of possible combinations of |
* usec and flags, see comment for waitq_sleep_timeout(). |
* |
* @return See comment for waitq_sleep_timeout(). |
*/ |
int _rwlock_write_lock_timeout(rwlock_t *rwl, uint32_t usec, int flags) |
{ |
ipl_t ipl; |
int rc; |
ipl = interrupts_disable(); |
spinlock_lock(&THREAD->lock); |
THREAD->rwlock_holder_type = RWLOCK_WRITER; |
spinlock_unlock(&THREAD->lock); |
interrupts_restore(ipl); |
/* |
* Writers take the easy part. |
* They just need to acquire the exclusive mutex. |
*/ |
rc = _mutex_lock_timeout(&rwl->exclusive, usec, flags); |
if (SYNCH_FAILED(rc)) { |
/* |
* Lock operation timed out or was interrupted. |
* The state of rwl is UNKNOWN at this point. |
* No claims about its holder can be made. |
*/ |
ipl = interrupts_disable(); |
spinlock_lock(&rwl->lock); |
/* |
* Now when rwl is locked, we can inspect it again. |
* If it is held by some readers already, we can let |
* readers from the head of the wait queue in. |
*/ |
if (rwl->readers_in) |
let_others_in(rwl, ALLOW_READERS_ONLY); |
spinlock_unlock(&rwl->lock); |
interrupts_restore(ipl); |
} |
return rc; |
} |
/** Acquire reader/writer lock for writing |
* |
* Acquire reader/writer lock for writing. |
* Timeout and willingness to block may be specified. |
* |
* @param rwl Reader/Writer lock. |
* @param usec Timeout in microseconds. |
* @param flags Select mode of operation. |
* |
* For exact description of possible combinations of |
* usec and flags, see comment for waitq_sleep_timeout(). |
* |
* @return See comment for waitq_sleep_timeout(). |
*/ |
int _rwlock_read_lock_timeout(rwlock_t *rwl, uint32_t usec, int flags) |
{ |
int rc; |
ipl_t ipl; |
ipl = interrupts_disable(); |
spinlock_lock(&THREAD->lock); |
THREAD->rwlock_holder_type = RWLOCK_READER; |
spinlock_unlock(&THREAD->lock); |
spinlock_lock(&rwl->lock); |
/* |
* Find out whether we can get what we want without blocking. |
*/ |
rc = mutex_trylock(&rwl->exclusive); |
if (SYNCH_FAILED(rc)) { |
/* |
* 'exclusive' mutex is being held by someone else. |
* If the holder is a reader and there is no one |
* else waiting for it, we can enter the critical |
* section. |
*/ |
if (rwl->readers_in) { |
spinlock_lock(&rwl->exclusive.sem.wq.lock); |
if (list_empty(&rwl->exclusive.sem.wq.head)) { |
/* |
* We can enter. |
*/ |
spinlock_unlock(&rwl->exclusive.sem.wq.lock); |
goto shortcut; |
} |
spinlock_unlock(&rwl->exclusive.sem.wq.lock); |
} |
/* |
* In order to prevent a race condition when a reader |
* could block another reader at the head of the waitq, |
* we register a function to unlock rwl->lock |
* after this thread is put asleep. |
*/ |
#ifdef CONFIG_SMP |
thread_register_call_me(release_spinlock, &rwl->lock); |
#else |
thread_register_call_me(release_spinlock, NULL); |
#endif |
rc = _mutex_lock_timeout(&rwl->exclusive, usec, flags); |
switch (rc) { |
case ESYNCH_WOULD_BLOCK: |
/* |
* release_spinlock() wasn't called |
*/ |
thread_register_call_me(NULL, NULL); |
spinlock_unlock(&rwl->lock); |
case ESYNCH_TIMEOUT: |
case ESYNCH_INTERRUPTED: |
/* |
* The sleep timed out. |
* We just restore interrupt priority level. |
*/ |
case ESYNCH_OK_BLOCKED: |
/* |
* We were woken with rwl->readers_in already |
* incremented. |
* |
* Note that this arrangement avoids race condition |
* between two concurrent readers. (Race is avoided if |
* 'exclusive' is locked at the same time as |
* 'readers_in' is incremented. Same time means both |
* events happen atomically when rwl->lock is held.) |
*/ |
interrupts_restore(ipl); |
break; |
case ESYNCH_OK_ATOMIC: |
panic("_mutex_lock_timeout() == ESYNCH_OK_ATOMIC."); |
break; |
default: |
panic("Invalid ESYNCH."); |
break; |
} |
return rc; |
} |
shortcut: |
/* |
* We can increment readers_in only if we didn't go to sleep. |
* For sleepers, rwlock_let_others_in() will do the job. |
*/ |
rwl->readers_in++; |
spinlock_unlock(&rwl->lock); |
interrupts_restore(ipl); |
return ESYNCH_OK_ATOMIC; |
} |
/** Release reader/writer lock held by writer |
* |
* Release reader/writer lock held by writer. |
* Handoff reader/writer lock ownership directly |
* to waiting readers or a writer. |
* |
* @param rwl Reader/Writer lock. |
*/ |
void rwlock_write_unlock(rwlock_t *rwl) |
{ |
ipl_t ipl; |
ipl = interrupts_disable(); |
spinlock_lock(&rwl->lock); |
let_others_in(rwl, ALLOW_ALL); |
spinlock_unlock(&rwl->lock); |
interrupts_restore(ipl); |
} |
/** Release reader/writer lock held by reader |
* |
* Release reader/writer lock held by reader. |
* Handoff reader/writer lock ownership directly |
* to a waiting writer or don't do anything if more |
* readers poses the lock. |
* |
* @param rwl Reader/Writer lock. |
*/ |
void rwlock_read_unlock(rwlock_t *rwl) |
{ |
ipl_t ipl; |
ipl = interrupts_disable(); |
spinlock_lock(&rwl->lock); |
if (!--rwl->readers_in) |
let_others_in(rwl, ALLOW_ALL); |
spinlock_unlock(&rwl->lock); |
interrupts_restore(ipl); |
} |
/** Direct handoff of reader/writer lock ownership. |
* |
* Direct handoff of reader/writer lock ownership |
* to waiting readers or a writer. |
* |
* Must be called with rwl->lock locked. |
* Must be called with interrupts_disable()'d. |
* |
* @param rwl Reader/Writer lock. |
* @param readers_only See the description below. |
* |
* If readers_only is false: (unlock scenario) |
* Let the first sleeper on 'exclusive' mutex in, no matter |
* whether it is a reader or a writer. If there are more leading |
* readers in line, let each of them in. |
* |
* Otherwise: (timeout scenario) |
* Let all leading readers in. |
*/ |
void let_others_in(rwlock_t *rwl, int readers_only) |
{ |
rwlock_type_t type = RWLOCK_NONE; |
thread_t *t = NULL; |
bool one_more = true; |
spinlock_lock(&rwl->exclusive.sem.wq.lock); |
if (!list_empty(&rwl->exclusive.sem.wq.head)) |
t = list_get_instance(rwl->exclusive.sem.wq.head.next, thread_t, |
wq_link); |
do { |
if (t) { |
spinlock_lock(&t->lock); |
type = t->rwlock_holder_type; |
spinlock_unlock(&t->lock); |
} |
/* |
* If readers_only is true, we wake all leading readers |
* if and only if rwl is locked by another reader. |
* Assumption: readers_only ==> rwl->readers_in |
*/ |
if (readers_only && (type != RWLOCK_READER)) |
break; |
if (type == RWLOCK_READER) { |
/* |
* Waking up a reader. |
* We are responsible for incrementing rwl->readers_in |
* for it. |
*/ |
rwl->readers_in++; |
} |
/* |
* Only the last iteration through this loop can increment |
* rwl->exclusive.sem.wq.missed_wakeup's. All preceeding |
* iterations will wake up a thread. |
*/ |
/* We call the internal version of waitq_wakeup, which |
* relies on the fact that the waitq is already locked. |
*/ |
_waitq_wakeup_unsafe(&rwl->exclusive.sem.wq, WAKEUP_FIRST); |
t = NULL; |
if (!list_empty(&rwl->exclusive.sem.wq.head)) { |
t = list_get_instance(rwl->exclusive.sem.wq.head.next, |
thread_t, wq_link); |
if (t) { |
spinlock_lock(&t->lock); |
if (t->rwlock_holder_type != RWLOCK_READER) |
one_more = false; |
spinlock_unlock(&t->lock); |
} |
} |
} while ((type == RWLOCK_READER) && t && one_more); |
spinlock_unlock(&rwl->exclusive.sem.wq.lock); |
} |
/** Release spinlock callback |
* |
* This is a callback function invoked from the scheduler. |
* The callback is registered in _rwlock_read_lock_timeout(). |
* |
* @param arg Spinlock. |
*/ |
void release_spinlock(void *arg) |
{ |
spinlock_unlock((spinlock_t *) arg); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/synch/smc.c |
---|
0,0 → 1,60 |
/* |
* Copyright (c) 2008 Jiri Svoboda |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sync |
* @{ |
*/ |
/** |
* @file |
* @brief Self-modifying code barriers. |
*/ |
#include <arch.h> |
#include <macros.h> |
#include <errno.h> |
#include <arch/barrier.h> |
#include <synch/smc.h> |
unative_t sys_smc_coherence(uintptr_t va, size_t size) |
{ |
if (overlaps(va, size, NULL, PAGE_SIZE)) |
return EINVAL; |
if (!KERNEL_ADDRESS_SPACE_SHADOWED) { |
if (overlaps(va, size, KERNEL_ADDRESS_SPACE_START, |
KERNEL_ADDRESS_SPACE_END - KERNEL_ADDRESS_SPACE_START)) |
return EINVAL; |
} |
smc_coherence_block((void *) va, size); |
return 0; |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/synch/mutex.c |
---|
0,0 → 1,96 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sync |
* @{ |
*/ |
/** |
* @file |
* @brief Mutexes. |
*/ |
#include <synch/mutex.h> |
#include <synch/semaphore.h> |
#include <synch/synch.h> |
#include <debug.h> |
/** Initialize mutex. |
* |
* @param mtx Mutex. |
* @param type Type of the mutex. |
*/ |
void mutex_initialize(mutex_t *mtx, mutex_type_t type) |
{ |
mtx->type = type; |
semaphore_initialize(&mtx->sem, 1); |
} |
/** Acquire mutex. |
* |
* Timeout mode and non-blocking mode can be requested. |
* |
* @param mtx Mutex. |
* @param usec Timeout in microseconds. |
* @param flags Specify mode of operation. |
* |
* For exact description of possible combinations of |
* usec and flags, see comment for waitq_sleep_timeout(). |
* |
* @return See comment for waitq_sleep_timeout(). |
*/ |
int _mutex_lock_timeout(mutex_t *mtx, uint32_t usec, int flags) |
{ |
int rc; |
if (mtx->type == MUTEX_PASSIVE) { |
rc = _semaphore_down_timeout(&mtx->sem, usec, flags); |
} else { |
ASSERT(mtx->type == MUTEX_ACTIVE); |
ASSERT(usec == SYNCH_NO_TIMEOUT); |
ASSERT(!(flags & SYNCH_FLAGS_INTERRUPTIBLE)); |
do { |
rc = semaphore_trydown(&mtx->sem); |
} while (SYNCH_FAILED(rc) && |
!(flags & SYNCH_FLAGS_NON_BLOCKING)); |
} |
return rc; |
} |
/** Release mutex. |
* |
* @param mtx Mutex. |
*/ |
void mutex_unlock(mutex_t *mtx) |
{ |
semaphore_up(&mtx->sem); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/synch/condvar.c |
---|
0,0 → 1,105 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sync |
* @{ |
*/ |
/** |
* @file |
* @brief Condition variables. |
*/ |
#include <synch/condvar.h> |
#include <synch/mutex.h> |
#include <synch/waitq.h> |
#include <synch/synch.h> |
#include <arch.h> |
/** Initialize condition variable. |
* |
* @param cv Condition variable. |
*/ |
void condvar_initialize(condvar_t *cv) |
{ |
waitq_initialize(&cv->wq); |
} |
/** Signal the condition has become true to the first waiting thread by waking |
* it up. |
* |
* @param cv Condition variable. |
*/ |
void condvar_signal(condvar_t *cv) |
{ |
waitq_wakeup(&cv->wq, WAKEUP_FIRST); |
} |
/** Signal the condition has become true to all waiting threads by waking |
* them up. |
* |
* @param cv Condition variable. |
*/ |
void condvar_broadcast(condvar_t *cv) |
{ |
waitq_wakeup(&cv->wq, WAKEUP_ALL); |
} |
/** Wait for the condition becoming true. |
* |
* @param cv Condition variable. |
* @param mtx Mutex. |
* @param usec Timeout value in microseconds. |
* @param flags Select mode of operation. |
* |
* For exact description of meaning of possible combinations of usec and flags, |
* see comment for waitq_sleep_timeout(). Note that when |
* SYNCH_FLAGS_NON_BLOCKING is specified here, ESYNCH_WOULD_BLOCK is always |
* returned. |
* |
* @return See comment for waitq_sleep_timeout(). |
*/ |
int _condvar_wait_timeout(condvar_t *cv, mutex_t *mtx, uint32_t usec, int flags) |
{ |
int rc; |
ipl_t ipl; |
ipl = waitq_sleep_prepare(&cv->wq); |
mutex_unlock(mtx); |
cv->wq.missed_wakeups = 0; /* Enforce blocking. */ |
rc = waitq_sleep_timeout_unsafe(&cv->wq, usec, flags); |
mutex_lock(mtx); |
waitq_sleep_finish(&cv->wq, rc, ipl); |
return rc; |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/synch/semaphore.c |
---|
0,0 → 1,98 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup sync |
* @{ |
*/ |
/** |
* @file |
* @brief Semaphores. |
*/ |
#include <synch/semaphore.h> |
#include <synch/waitq.h> |
#include <synch/spinlock.h> |
#include <synch/synch.h> |
#include <arch/asm.h> |
#include <arch.h> |
/** Initialize semaphore |
* |
* Initialize semaphore. |
* |
* @param s Semaphore. |
* @param val Maximal number of threads allowed to enter critical section. |
*/ |
void semaphore_initialize(semaphore_t *s, int val) |
{ |
ipl_t ipl; |
waitq_initialize(&s->wq); |
ipl = interrupts_disable(); |
spinlock_lock(&s->wq.lock); |
s->wq.missed_wakeups = val; |
spinlock_unlock(&s->wq.lock); |
interrupts_restore(ipl); |
} |
/** Semaphore down |
* |
* Semaphore down. |
* Conditional mode and mode with timeout can be requested. |
* |
* @param s Semaphore. |
* @param usec Timeout in microseconds. |
* @param flags Select mode of operation. |
* |
* For exact description of possible combinations of |
* usec and flags, see comment for waitq_sleep_timeout(). |
* |
* @return See comment for waitq_sleep_timeout(). |
*/ |
int _semaphore_down_timeout(semaphore_t *s, uint32_t usec, int flags) |
{ |
return waitq_sleep_timeout(&s->wq, usec, flags); |
} |
/** Semaphore up |
* |
* Semaphore up. |
* |
* @param s Semaphore. |
*/ |
void semaphore_up(semaphore_t *s) |
{ |
waitq_wakeup(&s->wq, WAKEUP_FIRST); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/debug/symtab.c |
---|
0,0 → 1,254 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericdebug |
* @{ |
*/ |
/** |
* @file |
* @brief Kernel symbol resolver. |
*/ |
#include <symtab.h> |
#include <byteorder.h> |
#include <string.h> |
#include <print.h> |
#include <arch/types.h> |
#include <typedefs.h> |
#include <errno.h> |
/** Get name of a symbol that seems most likely to correspond to address. |
* |
* @param addr Address. |
* @param name Place to store pointer to the symbol name. |
* |
* @return Zero on success or negative error code, ENOENT if not found, |
* ENOTSUP if symbol table not available. |
* |
*/ |
int symtab_name_lookup(unative_t addr, char **name) |
{ |
#ifdef CONFIG_SYMTAB |
size_t i; |
for (i = 1; symbol_table[i].address_le; i++) { |
if (addr < uint64_t_le2host(symbol_table[i].address_le)) |
break; |
} |
if (addr >= uint64_t_le2host(symbol_table[i - 1].address_le)) { |
*name = symbol_table[i - 1].symbol_name; |
return EOK; |
} |
*name = NULL; |
return ENOENT; |
#else |
*name = NULL; |
return ENOTSUP; |
#endif |
} |
/** Lookup symbol by address and format for display. |
* |
* Returns name of closest corresponding symbol, "Not found" if none exists |
* or "N/A" if no symbol information is available. |
* |
* @param addr Address. |
* @param name Place to store pointer to the symbol name. |
* |
* @return Pointer to a human-readable string. |
* |
*/ |
char *symtab_fmt_name_lookup(unative_t addr) |
{ |
char *name; |
int rc = symtab_name_lookup(addr, &name); |
switch (rc) { |
case EOK: |
return name; |
case ENOENT: |
return "Not found"; |
default: |
return "N/A"; |
} |
} |
#ifdef CONFIG_SYMTAB |
/** Find symbols that match the parameter forward and print them. |
* |
* @param name Search string |
* @param startpos Starting position, changes to found position |
* |
* @return Pointer to the part of string that should be completed or NULL. |
* |
*/ |
static const char *symtab_search_one(const char *name, size_t *startpos) |
{ |
size_t namelen = str_length(name); |
size_t pos; |
for (pos = *startpos; symbol_table[pos].address_le; pos++) { |
const char *curname = symbol_table[pos].symbol_name; |
/* Find a ':' in curname */ |
const char *colon = str_chr(curname, ':'); |
if (colon == NULL) |
continue; |
if (str_length(curname) < namelen) |
continue; |
if (str_lcmp(name, curname, namelen) == 0) { |
*startpos = pos; |
return (curname + str_lsize(curname, namelen)); |
} |
} |
return NULL; |
} |
#endif |
/** Return address that corresponds to the entry. |
* |
* Search symbol table, and if there is one match, return it |
* |
* @param name Name of the symbol |
* @param addr Place to store symbol address |
* |
* @return Zero on success, ENOENT - not found, EOVERFLOW - duplicate |
* symbol, ENOTSUP - no symbol information available. |
* |
*/ |
int symtab_addr_lookup(const char *name, uintptr_t *addr) |
{ |
#ifdef CONFIG_SYMTAB |
size_t found = 0; |
size_t pos = 0; |
const char *hint; |
while ((hint = symtab_search_one(name, &pos))) { |
if (str_length(hint) == 0) { |
*addr = uint64_t_le2host(symbol_table[pos].address_le); |
found++; |
} |
pos++; |
} |
if (found > 1) |
return EOVERFLOW; |
if (found < 1) |
return ENOENT; |
return EOK; |
#else |
return ENOTSUP; |
#endif |
} |
/** Find symbols that match parameter and print them */ |
void symtab_print_search(const char *name) |
{ |
#ifdef CONFIG_SYMTAB |
size_t pos = 0; |
while (symtab_search_one(name, &pos)) { |
uintptr_t addr = uint64_t_le2host(symbol_table[pos].address_le); |
char *realname = symbol_table[pos].symbol_name; |
printf("%p: %s\n", addr, realname); |
pos++; |
} |
#else |
printf("No symbol information available.\n"); |
#endif |
} |
/** Symtab completion |
* |
* @param input Search string, completes to symbol name |
* @param size Input buffer size |
* |
* @return 0 - nothing found, 1 - success, >1 print duplicates |
* |
*/ |
int symtab_compl(char *input, size_t size) |
{ |
#ifdef CONFIG_SYMTAB |
const char *name = input; |
/* Allow completion of pointers */ |
if ((name[0] == '*') || (name[0] == '&')) |
name++; |
/* Do not print all symbols */ |
if (str_length(name) == 0) |
return 0; |
size_t found = 0; |
size_t pos = 0; |
const char *hint; |
char output[MAX_SYMBOL_NAME]; |
output[0] = 0; |
while ((hint = symtab_search_one(name, &pos))) { |
if ((found == 0) || (str_length(output) > str_length(hint))) |
str_cpy(output, MAX_SYMBOL_NAME, hint); |
pos++; |
found++; |
} |
if ((found > 1) && (str_length(output) != 0)) { |
printf("\n"); |
pos = 0; |
while ((hint = symtab_search_one(name, &pos))) { |
printf("%s\n", symbol_table[pos].symbol_name); |
pos++; |
} |
} |
if (found > 0) |
str_cpy(input, size, output); |
return found; |
#else |
return 0; |
#endif |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/time/clock.c |
---|
0,0 → 1,209 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup time |
* @{ |
*/ |
/** |
* @file |
* @brief High-level clock interrupt handler. |
* |
* This file contains the clock() function which is the source |
* of preemption. It is also responsible for executing expired |
* timeouts. |
*/ |
#include <time/clock.h> |
#include <time/timeout.h> |
#include <config.h> |
#include <synch/spinlock.h> |
#include <synch/waitq.h> |
#include <func.h> |
#include <proc/scheduler.h> |
#include <cpu.h> |
#include <arch.h> |
#include <adt/list.h> |
#include <atomic.h> |
#include <proc/thread.h> |
#include <sysinfo/sysinfo.h> |
#include <arch/barrier.h> |
#include <mm/frame.h> |
#include <ddi/ddi.h> |
/* Pointer to variable with uptime */ |
uptime_t *uptime; |
/** Physical memory area of the real time clock */ |
static parea_t clock_parea; |
/* Variable holding fragment of second, so that we would update |
* seconds correctly |
*/ |
static unative_t secfrag = 0; |
/** Initialize realtime clock counter |
* |
* The applications (and sometimes kernel) need to access accurate |
* information about realtime data. We allocate 1 page with these |
* data and update it periodically. |
*/ |
void clock_counter_init(void) |
{ |
void *faddr; |
faddr = frame_alloc(ONE_FRAME, FRAME_ATOMIC); |
if (!faddr) |
panic("Cannot allocate page for clock."); |
uptime = (uptime_t *) PA2KA(faddr); |
uptime->seconds1 = 0; |
uptime->seconds2 = 0; |
uptime->useconds = 0; |
clock_parea.pbase = (uintptr_t) faddr; |
clock_parea.frames = 1; |
ddi_parea_register(&clock_parea); |
/* |
* Prepare information for the userspace so that it can successfully |
* physmem_map() the clock_parea. |
*/ |
sysinfo_set_item_val("clock.cacheable", NULL, (unative_t) true); |
sysinfo_set_item_val("clock.faddr", NULL, (unative_t) faddr); |
} |
/** Update public counters |
* |
* Update it only on first processor |
* TODO: Do we really need so many write barriers? |
*/ |
static void clock_update_counters(void) |
{ |
if (CPU->id == 0) { |
secfrag += 1000000 / HZ; |
if (secfrag >= 1000000) { |
secfrag -= 1000000; |
uptime->seconds1++; |
write_barrier(); |
uptime->useconds = secfrag; |
write_barrier(); |
uptime->seconds2 = uptime->seconds1; |
} else |
uptime->useconds += 1000000 / HZ; |
} |
} |
/** Clock routine |
* |
* Clock routine executed from clock interrupt handler |
* (assuming interrupts_disable()'d). Runs expired timeouts |
* and preemptive scheduling. |
* |
*/ |
void clock(void) |
{ |
link_t *l; |
timeout_t *h; |
timeout_handler_t f; |
void *arg; |
size_t missed_clock_ticks = CPU->missed_clock_ticks; |
unsigned int i; |
/* |
* To avoid lock ordering problems, |
* run all expired timeouts as you visit them. |
*/ |
for (i = 0; i <= missed_clock_ticks; i++) { |
clock_update_counters(); |
spinlock_lock(&CPU->timeoutlock); |
while ((l = CPU->timeout_active_head.next) != &CPU->timeout_active_head) { |
h = list_get_instance(l, timeout_t, link); |
spinlock_lock(&h->lock); |
if (h->ticks-- != 0) { |
spinlock_unlock(&h->lock); |
break; |
} |
list_remove(l); |
f = h->handler; |
arg = h->arg; |
timeout_reinitialize(h); |
spinlock_unlock(&h->lock); |
spinlock_unlock(&CPU->timeoutlock); |
f(arg); |
spinlock_lock(&CPU->timeoutlock); |
} |
spinlock_unlock(&CPU->timeoutlock); |
} |
CPU->missed_clock_ticks = 0; |
/* |
* Do CPU usage accounting and find out whether to preempt THREAD. |
*/ |
if (THREAD) { |
uint64_t ticks; |
spinlock_lock(&CPU->lock); |
CPU->needs_relink += 1 + missed_clock_ticks; |
spinlock_unlock(&CPU->lock); |
spinlock_lock(&THREAD->lock); |
if ((ticks = THREAD->ticks)) { |
if (ticks >= 1 + missed_clock_ticks) |
THREAD->ticks -= 1 + missed_clock_ticks; |
else |
THREAD->ticks = 0; |
} |
spinlock_unlock(&THREAD->lock); |
if (!ticks && !PREEMPTION_DISABLED) { |
#ifdef CONFIG_UDEBUG |
istate_t *istate; |
#endif |
scheduler(); |
#ifdef CONFIG_UDEBUG |
/* |
* Give udebug chance to stop the thread |
* before it begins executing userspace code. |
*/ |
istate = THREAD->udebug.uspace_state; |
if (istate && istate_from_uspace(istate)) |
udebug_before_thread_runs(); |
#endif |
} |
} |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/time/timeout.c |
---|
0,0 → 1,218 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup time |
* @{ |
*/ |
/** |
* @file |
* @brief Timeout management functions. |
*/ |
#include <time/timeout.h> |
#include <arch/types.h> |
#include <config.h> |
#include <panic.h> |
#include <synch/spinlock.h> |
#include <func.h> |
#include <cpu.h> |
#include <arch/asm.h> |
#include <arch.h> |
/** Initialize timeouts |
* |
* Initialize kernel timeouts. |
* |
*/ |
void timeout_init(void) |
{ |
spinlock_initialize(&CPU->timeoutlock, "timeout_lock"); |
list_initialize(&CPU->timeout_active_head); |
} |
/** Reinitialize timeout |
* |
* Initialize all members except the lock. |
* |
* @param t Timeout to be initialized. |
* |
*/ |
void timeout_reinitialize(timeout_t *t) |
{ |
t->cpu = NULL; |
t->ticks = 0; |
t->handler = NULL; |
t->arg = NULL; |
link_initialize(&t->link); |
} |
/** Initialize timeout |
* |
* Initialize all members including the lock. |
* |
* @param t Timeout to be initialized. |
* |
*/ |
void timeout_initialize(timeout_t *t) |
{ |
spinlock_initialize(&t->lock, "timeout_t_lock"); |
timeout_reinitialize(t); |
} |
/** Register timeout |
* |
* Insert timeout handler f (with argument arg) |
* to timeout list and make it execute in |
* time microseconds (or slightly more). |
* |
* @param t Timeout structure. |
* @param time Number of usec in the future to execute the handler. |
* @param f Timeout handler function. |
* @param arg Timeout handler argument. |
* |
*/ |
void |
timeout_register(timeout_t *t, uint64_t time, timeout_handler_t f, void *arg) |
{ |
timeout_t *hlp = NULL; |
link_t *l, *m; |
ipl_t ipl; |
uint64_t sum; |
ipl = interrupts_disable(); |
spinlock_lock(&CPU->timeoutlock); |
spinlock_lock(&t->lock); |
if (t->cpu) |
panic("Unexpected: t->cpu != 0."); |
t->cpu = CPU; |
t->ticks = us2ticks(time); |
t->handler = f; |
t->arg = arg; |
/* |
* Insert t into the active timeouts list according to t->ticks. |
*/ |
sum = 0; |
l = CPU->timeout_active_head.next; |
while (l != &CPU->timeout_active_head) { |
hlp = list_get_instance(l, timeout_t, link); |
spinlock_lock(&hlp->lock); |
if (t->ticks < sum + hlp->ticks) { |
spinlock_unlock(&hlp->lock); |
break; |
} |
sum += hlp->ticks; |
spinlock_unlock(&hlp->lock); |
l = l->next; |
} |
m = l->prev; |
list_prepend(&t->link, m); /* avoid using l->prev */ |
/* |
* Adjust t->ticks according to ticks accumulated in h's predecessors. |
*/ |
t->ticks -= sum; |
/* |
* Decrease ticks of t's immediate succesor by t->ticks. |
*/ |
if (l != &CPU->timeout_active_head) { |
spinlock_lock(&hlp->lock); |
hlp->ticks -= t->ticks; |
spinlock_unlock(&hlp->lock); |
} |
spinlock_unlock(&t->lock); |
spinlock_unlock(&CPU->timeoutlock); |
interrupts_restore(ipl); |
} |
/** Unregister timeout |
* |
* Remove timeout from timeout list. |
* |
* @param t Timeout to unregister. |
* |
* @return True on success, false on failure. |
*/ |
bool timeout_unregister(timeout_t *t) |
{ |
timeout_t *hlp; |
link_t *l; |
ipl_t ipl; |
DEADLOCK_PROBE_INIT(p_tolock); |
grab_locks: |
ipl = interrupts_disable(); |
spinlock_lock(&t->lock); |
if (!t->cpu) { |
spinlock_unlock(&t->lock); |
interrupts_restore(ipl); |
return false; |
} |
if (!spinlock_trylock(&t->cpu->timeoutlock)) { |
spinlock_unlock(&t->lock); |
interrupts_restore(ipl); |
DEADLOCK_PROBE(p_tolock, DEADLOCK_THRESHOLD); |
goto grab_locks; |
} |
/* |
* Now we know for sure that t hasn't been activated yet |
* and is lurking in t->cpu->timeout_active_head queue. |
*/ |
l = t->link.next; |
if (l != &t->cpu->timeout_active_head) { |
hlp = list_get_instance(l, timeout_t, link); |
spinlock_lock(&hlp->lock); |
hlp->ticks += t->ticks; |
spinlock_unlock(&hlp->lock); |
} |
list_remove(&t->link); |
spinlock_unlock(&t->cpu->timeoutlock); |
timeout_reinitialize(t); |
spinlock_unlock(&t->lock); |
interrupts_restore(ipl); |
return true; |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/time/delay.c |
---|
0,0 → 1,68 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup time |
* @{ |
*/ |
/** |
* @file |
* @brief Active delay function. |
*/ |
#include <time/delay.h> |
#include <arch/types.h> |
#include <cpu.h> |
#include <arch/asm.h> |
#include <arch.h> |
/** Active delay |
* |
* Delay the execution for the given number |
* of microseconds (or slightly more). The delay |
* is implemented as CPU calibrated active loop. |
* |
* @param usec Number of microseconds to sleep. |
*/ |
void delay(uint32_t usec) |
{ |
ipl_t ipl; |
/* |
* The delay loop is calibrated for each and every |
* CPU in the system. Therefore it is necessary to |
* call interrupts_disable() before calling the |
* asm_delay_loop(). |
*/ |
ipl = interrupts_disable(); |
asm_delay_loop(usec * CPU->delay_loop_const); |
interrupts_restore(ipl); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/ddi/ddi.c |
---|
0,0 → 1,290 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericddi |
* @{ |
*/ |
/** |
* @file |
* @brief Device Driver Interface functions. |
* |
* This file contains functions that comprise the Device Driver Interface. |
* These are the functions for mapping physical memory and enabling I/O |
* space to tasks. |
*/ |
#include <ddi/ddi.h> |
#include <ddi/ddi_arg.h> |
#include <proc/task.h> |
#include <security/cap.h> |
#include <mm/frame.h> |
#include <mm/as.h> |
#include <synch/spinlock.h> |
#include <syscall/copy.h> |
#include <adt/btree.h> |
#include <arch.h> |
#include <align.h> |
#include <errno.h> |
/** This lock protects the parea_btree. */ |
SPINLOCK_INITIALIZE(parea_lock); |
/** B+tree with enabled physical memory areas. */ |
static btree_t parea_btree; |
/** Initialize DDI. */ |
void ddi_init(void) |
{ |
btree_create(&parea_btree); |
} |
/** Enable piece of physical memory for mapping by physmem_map(). |
* |
* @param parea Pointer to physical area structure. |
* |
*/ |
void ddi_parea_register(parea_t *parea) |
{ |
ipl_t ipl = interrupts_disable(); |
spinlock_lock(&parea_lock); |
/* |
* We don't check for overlaps here as the kernel is pretty sane. |
*/ |
btree_insert(&parea_btree, (btree_key_t) parea->pbase, parea, NULL); |
spinlock_unlock(&parea_lock); |
interrupts_restore(ipl); |
} |
/** Map piece of physical memory into virtual address space of current task. |
* |
* @param pf Physical address of the starting frame. |
* @param vp Virtual address of the starting page. |
* @param pages Number of pages to map. |
* @param flags Address space area flags for the mapping. |
* |
* @return 0 on success, EPERM if the caller lacks capabilities to use this |
* syscall, EBADMEM if pf or vf is not page aligned, ENOENT if there |
* is no task matching the specified ID or the physical address space |
* is not enabled for mapping and ENOMEM if there was a problem in |
* creating address space area. |
* |
*/ |
static int ddi_physmem_map(uintptr_t pf, uintptr_t vp, size_t pages, int flags) |
{ |
ASSERT(TASK); |
ASSERT((pf % FRAME_SIZE) == 0); |
ASSERT((vp % PAGE_SIZE) == 0); |
/* |
* Make sure the caller is authorised to make this syscall. |
*/ |
cap_t caps = cap_get(TASK); |
if (!(caps & CAP_MEM_MANAGER)) |
return EPERM; |
mem_backend_data_t backend_data; |
backend_data.base = pf; |
backend_data.frames = pages; |
ipl_t ipl = interrupts_disable(); |
/* Find the zone of the physical memory */ |
spinlock_lock(&zones.lock); |
size_t znum = find_zone(ADDR2PFN(pf), pages, 0); |
if (znum == (size_t) -1) { |
/* Frames not found in any zones |
* -> assume it is hardware device and allow mapping |
*/ |
spinlock_unlock(&zones.lock); |
goto map; |
} |
if (zones.info[znum].flags & ZONE_FIRMWARE) { |
/* Frames are part of firmware */ |
spinlock_unlock(&zones.lock); |
goto map; |
} |
if (zone_flags_available(zones.info[znum].flags)) { |
/* Frames are part of physical memory, check if the memory |
* region is enabled for mapping. |
*/ |
spinlock_unlock(&zones.lock); |
spinlock_lock(&parea_lock); |
btree_node_t *nodep; |
parea_t *parea = (parea_t *) btree_search(&parea_btree, |
(btree_key_t) pf, &nodep); |
if ((!parea) || (parea->frames < pages)) |
goto err; |
spinlock_unlock(&parea_lock); |
goto map; |
} |
err: |
spinlock_unlock(&zones.lock); |
interrupts_restore(ipl); |
return ENOENT; |
map: |
spinlock_lock(&TASK->lock); |
if (!as_area_create(TASK->as, flags, pages * PAGE_SIZE, vp, |
AS_AREA_ATTR_NONE, &phys_backend, &backend_data)) { |
/* |
* The address space area could not have been created. |
* We report it using ENOMEM. |
*/ |
spinlock_unlock(&TASK->lock); |
interrupts_restore(ipl); |
return ENOMEM; |
} |
/* |
* Mapping is created on-demand during page fault. |
*/ |
spinlock_unlock(&TASK->lock); |
interrupts_restore(ipl); |
return 0; |
} |
/** Enable range of I/O space for task. |
* |
* @param id Task ID of the destination task. |
* @param ioaddr Starting I/O address. |
* @param size Size of the enabled I/O space.. |
* |
* @return 0 on success, EPERM if the caller lacks capabilities to use this |
* syscall, ENOENT if there is no task matching the specified ID. |
* |
*/ |
static int ddi_iospace_enable(task_id_t id, uintptr_t ioaddr, size_t size) |
{ |
/* |
* Make sure the caller is authorised to make this syscall. |
*/ |
cap_t caps = cap_get(TASK); |
if (!(caps & CAP_IO_MANAGER)) |
return EPERM; |
ipl_t ipl = interrupts_disable(); |
spinlock_lock(&tasks_lock); |
task_t *task = task_find_by_id(id); |
if ((!task) || (!context_check(CONTEXT, task->context))) { |
/* |
* There is no task with the specified ID |
* or the task belongs to a different security |
* context. |
*/ |
spinlock_unlock(&tasks_lock); |
interrupts_restore(ipl); |
return ENOENT; |
} |
/* Lock the task and release the lock protecting tasks_btree. */ |
spinlock_lock(&task->lock); |
spinlock_unlock(&tasks_lock); |
int rc = ddi_iospace_enable_arch(task, ioaddr, size); |
spinlock_unlock(&task->lock); |
interrupts_restore(ipl); |
return rc; |
} |
/** Wrapper for SYS_PHYSMEM_MAP syscall. |
* |
* @param phys_base Physical base address to map |
* @param virt_base Destination virtual address |
* @param pages Number of pages |
* @param flags Flags of newly mapped pages |
* |
* @return 0 on success, otherwise it returns error code found in errno.h |
* |
*/ |
unative_t sys_physmem_map(unative_t phys_base, unative_t virt_base, |
unative_t pages, unative_t flags) |
{ |
return (unative_t) ddi_physmem_map(ALIGN_DOWN((uintptr_t) phys_base, |
FRAME_SIZE), ALIGN_DOWN((uintptr_t) virt_base, PAGE_SIZE), |
(size_t) pages, (int) flags); |
} |
/** Wrapper for SYS_ENABLE_IOSPACE syscall. |
* |
* @param uspace_io_arg User space address of DDI argument structure. |
* |
* @return 0 on success, otherwise it returns error code found in errno.h |
* |
*/ |
unative_t sys_iospace_enable(ddi_ioarg_t *uspace_io_arg) |
{ |
ddi_ioarg_t arg; |
int rc = copy_from_uspace(&arg, uspace_io_arg, sizeof(ddi_ioarg_t)); |
if (rc != 0) |
return (unative_t) rc; |
return (unative_t) ddi_iospace_enable((task_id_t) arg.task_id, |
(uintptr_t) arg.ioaddr, (size_t) arg.size); |
} |
/** Disable or enable preemption. |
* |
* @param enable If non-zero, the preemption counter will be decremented, |
* leading to potential enabling of preemption. Otherwise |
* the preemption counter will be incremented, preventing |
* preemption from occurring. |
* |
* @return Zero on success or EPERM if callers capabilities are not sufficient. |
* |
*/ |
unative_t sys_preempt_control(int enable) |
{ |
if (!cap_get(TASK) & CAP_PREEMPT_CONTROL) |
return EPERM; |
if (enable) |
preemption_enable(); |
else |
preemption_disable(); |
return 0; |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/ddi/irq.c |
---|
0,0 → 1,434 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericddi |
* @{ |
*/ |
/** |
* @file |
* @brief IRQ dispatcher. |
* |
* This file provides means of connecting IRQs with particular |
* devices and logic for dispatching interrupts to IRQ handlers |
* defined by those devices. |
* |
* This code is designed to support: |
* - multiple devices sharing single IRQ |
* - multiple IRQs per single device |
* - multiple instances of the same device |
* |
* |
* Note about architectures. |
* |
* Some architectures has the term IRQ well defined. Examples |
* of such architectures include amd64, ia32 and mips32. Some |
* other architectures, such as sparc64, don't use the term |
* at all. In those cases, we boldly step forward and define what |
* an IRQ is. |
* |
* The implementation is generic enough and still allows the |
* architectures to use the hardware layout effectively. |
* For instance, on amd64 and ia32, where there is only 16 |
* IRQs, the irq_hash_table can be optimized to a one-dimensional |
* array. Next, when it is known that the IRQ numbers (aka INR's) |
* are unique, the claim functions can always return IRQ_ACCEPT. |
* |
* |
* Note about the irq_hash_table. |
* |
* The hash table is configured to use two keys: inr and devno. |
* However, the hash index is computed only from inr. Moreover, |
* if devno is -1, the match is based on the return value of |
* the claim() function instead of on devno. |
*/ |
#include <ddi/irq.h> |
#include <adt/hash_table.h> |
#include <mm/slab.h> |
#include <arch/types.h> |
#include <synch/spinlock.h> |
#include <console/console.h> |
#include <memstr.h> |
#include <arch.h> |
#define KEY_INR 0 |
#define KEY_DEVNO 1 |
/** |
* Spinlock protecting the kernel IRQ hash table. |
* This lock must be taken only when interrupts are disabled. |
*/ |
SPINLOCK_INITIALIZE(irq_kernel_hash_table_lock); |
/** The kernel IRQ hash table. */ |
static hash_table_t irq_kernel_hash_table; |
/** |
* Spinlock protecting the uspace IRQ hash table. |
* This lock must be taken only when interrupts are disabled. |
*/ |
SPINLOCK_INITIALIZE(irq_uspace_hash_table_lock); |
/** The uspace IRQ hash table. */ |
hash_table_t irq_uspace_hash_table; |
/** |
* Hash table operations for cases when we know that |
* there will be collisions between different keys. |
*/ |
static size_t irq_ht_hash(unative_t *key); |
static bool irq_ht_compare(unative_t *key, size_t keys, link_t *item); |
static void irq_ht_remove(link_t *item); |
static hash_table_operations_t irq_ht_ops = { |
.hash = irq_ht_hash, |
.compare = irq_ht_compare, |
.remove_callback = irq_ht_remove, |
}; |
/** |
* Hash table operations for cases when we know that |
* there will be no collisions between different keys. |
* However, there might be still collisions among |
* elements with single key (sharing of one IRQ). |
*/ |
static size_t irq_lin_hash(unative_t *key); |
static bool irq_lin_compare(unative_t *key, size_t keys, link_t *item); |
static void irq_lin_remove(link_t *item); |
static hash_table_operations_t irq_lin_ops = { |
.hash = irq_lin_hash, |
.compare = irq_lin_compare, |
.remove_callback = irq_lin_remove, |
}; |
/** Number of buckets in either of the hash tables. */ |
static size_t buckets; |
/** Initialize IRQ subsystem. |
* |
* @param inrs Numbers of unique IRQ numbers or INRs. |
* @param chains Number of chains in the hash table. |
*/ |
void irq_init(size_t inrs, size_t chains) |
{ |
buckets = chains; |
/* |
* Be smart about the choice of the hash table operations. |
* In cases in which inrs equals the requested number of |
* chains (i.e. where there is no collision between |
* different keys), we can use optimized set of operations. |
*/ |
if (inrs == chains) { |
hash_table_create(&irq_uspace_hash_table, chains, 2, |
&irq_lin_ops); |
hash_table_create(&irq_kernel_hash_table, chains, 2, |
&irq_lin_ops); |
} else { |
hash_table_create(&irq_uspace_hash_table, chains, 2, |
&irq_ht_ops); |
hash_table_create(&irq_kernel_hash_table, chains, 2, |
&irq_ht_ops); |
} |
} |
/** Initialize one IRQ structure. |
* |
* @param irq Pointer to the IRQ structure to be initialized. |
* |
*/ |
void irq_initialize(irq_t *irq) |
{ |
memsetb(irq, sizeof(irq_t), 0); |
link_initialize(&irq->link); |
spinlock_initialize(&irq->lock, "irq.lock"); |
link_initialize(&irq->notif_cfg.link); |
irq->inr = -1; |
irq->devno = -1; |
} |
/** Register IRQ for device. |
* |
* The irq structure must be filled with information |
* about the interrupt source and with the claim() |
* function pointer and handler() function pointer. |
* |
* @param irq IRQ structure belonging to a device. |
* @return True on success, false on failure. |
*/ |
void irq_register(irq_t *irq) |
{ |
ipl_t ipl; |
unative_t key[] = { |
(unative_t) irq->inr, |
(unative_t) irq->devno |
}; |
ipl = interrupts_disable(); |
spinlock_lock(&irq_kernel_hash_table_lock); |
spinlock_lock(&irq->lock); |
hash_table_insert(&irq_kernel_hash_table, key, &irq->link); |
spinlock_unlock(&irq->lock); |
spinlock_unlock(&irq_kernel_hash_table_lock); |
interrupts_restore(ipl); |
} |
/** Search and lock the uspace IRQ hash table. |
* |
*/ |
static irq_t *irq_dispatch_and_lock_uspace(inr_t inr) |
{ |
link_t *lnk; |
unative_t key[] = { |
(unative_t) inr, |
(unative_t) -1 /* search will use claim() instead of devno */ |
}; |
spinlock_lock(&irq_uspace_hash_table_lock); |
lnk = hash_table_find(&irq_uspace_hash_table, key); |
if (lnk) { |
irq_t *irq; |
irq = hash_table_get_instance(lnk, irq_t, link); |
spinlock_unlock(&irq_uspace_hash_table_lock); |
return irq; |
} |
spinlock_unlock(&irq_uspace_hash_table_lock); |
return NULL; |
} |
/** Search and lock the kernel IRQ hash table. |
* |
*/ |
static irq_t *irq_dispatch_and_lock_kernel(inr_t inr) |
{ |
link_t *lnk; |
unative_t key[] = { |
(unative_t) inr, |
(unative_t) -1 /* search will use claim() instead of devno */ |
}; |
spinlock_lock(&irq_kernel_hash_table_lock); |
lnk = hash_table_find(&irq_kernel_hash_table, key); |
if (lnk) { |
irq_t *irq; |
irq = hash_table_get_instance(lnk, irq_t, link); |
spinlock_unlock(&irq_kernel_hash_table_lock); |
return irq; |
} |
spinlock_unlock(&irq_kernel_hash_table_lock); |
return NULL; |
} |
/** Dispatch the IRQ. |
* |
* We assume this function is only called from interrupt |
* context (i.e. that interrupts are disabled prior to |
* this call). |
* |
* This function attempts to lookup a fitting IRQ |
* structure. In case of success, return with interrupts |
* disabled and holding the respective structure. |
* |
* @param inr Interrupt number (aka inr or irq). |
* |
* @return IRQ structure of the respective device or NULL. |
*/ |
irq_t *irq_dispatch_and_lock(inr_t inr) |
{ |
irq_t *irq; |
/* |
* If the kernel console is silenced, |
* then try first the uspace handlers, |
* eventually fall back to kernel handlers. |
* |
* If the kernel console is active, |
* then do it the other way around. |
*/ |
if (silent) { |
irq = irq_dispatch_and_lock_uspace(inr); |
if (irq) |
return irq; |
return irq_dispatch_and_lock_kernel(inr); |
} |
irq = irq_dispatch_and_lock_kernel(inr); |
if (irq) |
return irq; |
return irq_dispatch_and_lock_uspace(inr); |
} |
/** Compute hash index for the key. |
* |
* This function computes hash index into |
* the IRQ hash table for which there |
* can be collisions between different |
* INRs. |
* |
* The devno is not used to compute the hash. |
* |
* @param key The first of the keys is inr and the second is devno or -1. |
* |
* @return Index into the hash table. |
*/ |
size_t irq_ht_hash(unative_t key[]) |
{ |
inr_t inr = (inr_t) key[KEY_INR]; |
return inr % buckets; |
} |
/** Compare hash table element with a key. |
* |
* There are two things to note about this function. |
* First, it is used for the more complex architecture setup |
* in which there are way too many interrupt numbers (i.e. inr's) |
* to arrange the hash table so that collisions occur only |
* among same inrs of different devnos. So the explicit check |
* for inr match must be done. |
* Second, if devno is -1, the second key (i.e. devno) is not |
* used for the match and the result of the claim() function |
* is used instead. |
* |
* This function assumes interrupts are already disabled. |
* |
* @param key Keys (i.e. inr and devno). |
* @param keys This is 2. |
* @param item The item to compare the key with. |
* |
* @return True on match or false otherwise. |
*/ |
bool irq_ht_compare(unative_t key[], size_t keys, link_t *item) |
{ |
irq_t *irq = hash_table_get_instance(item, irq_t, link); |
inr_t inr = (inr_t) key[KEY_INR]; |
devno_t devno = (devno_t) key[KEY_DEVNO]; |
bool rv; |
spinlock_lock(&irq->lock); |
if (devno == -1) { |
/* Invoked by irq_dispatch_and_lock(). */ |
rv = ((irq->inr == inr) && |
(irq->claim(irq) == IRQ_ACCEPT)); |
} else { |
/* Invoked by irq_find_and_lock(). */ |
rv = ((irq->inr == inr) && (irq->devno == devno)); |
} |
/* unlock only on non-match */ |
if (!rv) |
spinlock_unlock(&irq->lock); |
return rv; |
} |
/** Unlock IRQ structure after hash_table_remove(). |
* |
* @param lnk Link in the removed and locked IRQ structure. |
*/ |
void irq_ht_remove(link_t *lnk) |
{ |
irq_t *irq __attribute__((unused)) |
= hash_table_get_instance(lnk, irq_t, link); |
spinlock_unlock(&irq->lock); |
} |
/** Compute hash index for the key. |
* |
* This function computes hash index into |
* the IRQ hash table for which there |
* are no collisions between different |
* INRs. |
* |
* @param key The first of the keys is inr and the second is devno or -1. |
* |
* @return Index into the hash table. |
*/ |
size_t irq_lin_hash(unative_t key[]) |
{ |
inr_t inr = (inr_t) key[KEY_INR]; |
return inr; |
} |
/** Compare hash table element with a key. |
* |
* There are two things to note about this function. |
* First, it is used for the less complex architecture setup |
* in which there are not too many interrupt numbers (i.e. inr's) |
* to arrange the hash table so that collisions occur only |
* among same inrs of different devnos. So the explicit check |
* for inr match is not done. |
* Second, if devno is -1, the second key (i.e. devno) is not |
* used for the match and the result of the claim() function |
* is used instead. |
* |
* This function assumes interrupts are already disabled. |
* |
* @param key Keys (i.e. inr and devno). |
* @param keys This is 2. |
* @param item The item to compare the key with. |
* |
* @return True on match or false otherwise. |
*/ |
bool irq_lin_compare(unative_t key[], size_t keys, link_t *item) |
{ |
irq_t *irq = list_get_instance(item, irq_t, link); |
devno_t devno = (devno_t) key[KEY_DEVNO]; |
bool rv; |
spinlock_lock(&irq->lock); |
if (devno == -1) { |
/* Invoked by irq_dispatch_and_lock() */ |
rv = (irq->claim(irq) == IRQ_ACCEPT); |
} else { |
/* Invoked by irq_find_and_lock() */ |
rv = (irq->devno == devno); |
} |
/* unlock only on non-match */ |
if (!rv) |
spinlock_unlock(&irq->lock); |
return rv; |
} |
/** Unlock IRQ structure after hash_table_remove(). |
* |
* @param lnk Link in the removed and locked IRQ structure. |
*/ |
void irq_lin_remove(link_t *lnk) |
{ |
irq_t *irq __attribute__((unused)) |
= hash_table_get_instance(lnk, irq_t, link); |
spinlock_unlock(&irq->lock); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/ddi/device.c |
---|
0,0 → 1,62 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericddi |
* @{ |
*/ |
/** |
* @file |
* @brief Device numbers. |
*/ |
#include <arch/types.h> |
#include <ddi/device.h> |
#include <atomic.h> |
#include <debug.h> |
static atomic_t last; |
/** Assign new device number. |
* |
* @return Unique device number. |
*/ |
devno_t device_assign_devno(void) |
{ |
devno_t devno = (devno_t) atomic_postinc(&last); |
ASSERT(devno >= 0); |
return devno; |
} |
unative_t sys_device_assign_devno(void) |
{ |
return (unative_t) device_assign_devno(); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/console/console.c |
---|
0,0 → 1,301 |
/* |
* Copyright (c) 2003 Josef Cejka |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericconsole |
* @{ |
*/ |
/** @file |
*/ |
#include <console/console.h> |
#include <console/chardev.h> |
#include <sysinfo/sysinfo.h> |
#include <synch/waitq.h> |
#include <synch/spinlock.h> |
#include <arch/types.h> |
#include <ddi/irq.h> |
#include <ddi/ddi.h> |
#include <ipc/event.h> |
#include <ipc/irq.h> |
#include <arch.h> |
#include <print.h> |
#include <putchar.h> |
#include <atomic.h> |
#include <syscall/copy.h> |
#include <errno.h> |
#include <string.h> |
#define KLOG_PAGES 4 |
#define KLOG_LENGTH (KLOG_PAGES * PAGE_SIZE / sizeof(wchar_t)) |
#define KLOG_LATENCY 8 |
/** Kernel log cyclic buffer */ |
static wchar_t klog[KLOG_LENGTH] __attribute__ ((aligned (PAGE_SIZE))); |
/** Kernel log initialized */ |
static bool klog_inited = false; |
/** First kernel log characters */ |
static size_t klog_start = 0; |
/** Number of valid kernel log characters */ |
static size_t klog_len = 0; |
/** Number of stored (not printed) kernel log characters */ |
static size_t klog_stored = 0; |
/** Number of stored kernel log characters for uspace */ |
static size_t klog_uspace = 0; |
/** Kernel log spinlock */ |
SPINLOCK_INITIALIZE(klog_lock); |
/** Physical memory area used for klog buffer */ |
static parea_t klog_parea; |
static indev_operations_t stdin_ops = { |
.poll = NULL |
}; |
/** Silence output */ |
bool silent = false; |
/** Standard input and output character devices */ |
indev_t *stdin = NULL; |
outdev_t *stdout = NULL; |
indev_t *stdin_wire(void) |
{ |
if (stdin == NULL) { |
stdin = malloc(sizeof(indev_t), FRAME_ATOMIC); |
if (stdin != NULL) |
indev_initialize("stdin", stdin, &stdin_ops); |
} |
return stdin; |
} |
/** Initialize kernel logging facility |
* |
* The shared area contains kernel cyclic buffer. Userspace application may |
* be notified on new data with indication of position and size |
* of the data within the circular buffer. |
* |
*/ |
void klog_init(void) |
{ |
void *faddr = (void *) KA2PA(klog); |
ASSERT((uintptr_t) faddr % FRAME_SIZE == 0); |
klog_parea.pbase = (uintptr_t) faddr; |
klog_parea.frames = SIZE2FRAMES(sizeof(klog)); |
ddi_parea_register(&klog_parea); |
sysinfo_set_item_val("klog.faddr", NULL, (unative_t) faddr); |
sysinfo_set_item_val("klog.pages", NULL, KLOG_PAGES); |
spinlock_lock(&klog_lock); |
klog_inited = true; |
spinlock_unlock(&klog_lock); |
} |
void grab_console(void) |
{ |
bool prev = silent; |
silent = false; |
arch_grab_console(); |
/* Force the console to print the prompt */ |
if ((stdin) && (prev)) |
indev_push_character(stdin, '\n'); |
} |
void release_console(void) |
{ |
silent = true; |
arch_release_console(); |
} |
/** Tell kernel to get keyboard/console access again */ |
unative_t sys_debug_enable_console(void) |
{ |
#ifdef CONFIG_KCONSOLE |
grab_console(); |
return true; |
#else |
return false; |
#endif |
} |
/** Tell kernel to relinquish keyboard/console access */ |
unative_t sys_debug_disable_console(void) |
{ |
release_console(); |
return true; |
} |
/** Get string from input character device. |
* |
* Read characters from input character device until first occurrence |
* of newline character. |
* |
* @param indev Input character device. |
* @param buf Buffer where to store string terminated by NULL. |
* @param buflen Size of the buffer. |
* |
* @return Number of characters read. |
* |
*/ |
size_t gets(indev_t *indev, char *buf, size_t buflen) |
{ |
size_t offset = 0; |
size_t count = 0; |
buf[offset] = 0; |
wchar_t ch; |
while ((ch = indev_pop_character(indev)) != '\n') { |
if (ch == '\b') { |
if (count > 0) { |
/* Space, backspace, space */ |
putchar('\b'); |
putchar(' '); |
putchar('\b'); |
count--; |
offset = str_lsize(buf, count); |
buf[offset] = 0; |
} |
} |
if (chr_encode(ch, buf, &offset, buflen - 1) == EOK) { |
putchar(ch); |
count++; |
buf[offset] = 0; |
} |
} |
return count; |
} |
/** Get character from input device & echo it to screen */ |
wchar_t getc(indev_t *indev) |
{ |
wchar_t ch = indev_pop_character(indev); |
putchar(ch); |
return ch; |
} |
void klog_update(void) |
{ |
spinlock_lock(&klog_lock); |
if ((klog_inited) && (event_is_subscribed(EVENT_KLOG)) && (klog_uspace > 0)) { |
event_notify_3(EVENT_KLOG, klog_start, klog_len, klog_uspace); |
klog_uspace = 0; |
} |
spinlock_unlock(&klog_lock); |
} |
void putchar(const wchar_t ch) |
{ |
spinlock_lock(&klog_lock); |
if ((klog_stored > 0) && (stdout) && (stdout->op->write)) { |
/* Print charaters stored in kernel log */ |
size_t i; |
for (i = klog_len - klog_stored; i < klog_len; i++) |
stdout->op->write(stdout, klog[(klog_start + i) % KLOG_LENGTH], silent); |
klog_stored = 0; |
} |
/* Store character in the cyclic kernel log */ |
klog[(klog_start + klog_len) % KLOG_LENGTH] = ch; |
if (klog_len < KLOG_LENGTH) |
klog_len++; |
else |
klog_start = (klog_start + 1) % KLOG_LENGTH; |
if ((stdout) && (stdout->op->write)) |
stdout->op->write(stdout, ch, silent); |
else { |
/* The character is just in the kernel log */ |
if (klog_stored < klog_len) |
klog_stored++; |
} |
/* The character is stored for uspace */ |
if (klog_uspace < klog_len) |
klog_uspace++; |
/* Check notify uspace to update */ |
bool update; |
if ((klog_uspace > KLOG_LATENCY) || (ch == '\n')) |
update = true; |
else |
update = false; |
spinlock_unlock(&klog_lock); |
if (update) |
klog_update(); |
} |
/** Print using kernel facility |
* |
* Print to kernel log. |
* |
*/ |
unative_t sys_klog(int fd, const void *buf, size_t size) |
{ |
char *data; |
int rc; |
if (size > PAGE_SIZE) |
return ELIMIT; |
if (size > 0) { |
data = (char *) malloc(size + 1, 0); |
if (!data) |
return ENOMEM; |
rc = copy_from_uspace(data, buf, size); |
if (rc) { |
free(data); |
return rc; |
} |
data[size] = 0; |
printf("%s", data); |
free(data); |
} else |
klog_update(); |
return size; |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/console/cmd.c |
---|
0,0 → 1,1172 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericconsole |
* @{ |
*/ |
/** |
* @file cmd.c |
* @brief Kernel console command wrappers. |
* |
* This file is meant to contain all wrapper functions for |
* all kconsole commands. The point is in separating |
* kconsole specific wrappers from kconsole-unaware functions |
* from other subsystems. |
*/ |
#include <console/cmd.h> |
#include <console/console.h> |
#include <console/kconsole.h> |
#include <print.h> |
#include <panic.h> |
#include <arch/types.h> |
#include <adt/list.h> |
#include <arch.h> |
#include <config.h> |
#include <func.h> |
#include <string.h> |
#include <macros.h> |
#include <debug.h> |
#include <cpu.h> |
#include <mm/tlb.h> |
#include <arch/mm/tlb.h> |
#include <mm/frame.h> |
#include <main/version.h> |
#include <mm/slab.h> |
#include <proc/scheduler.h> |
#include <proc/thread.h> |
#include <proc/task.h> |
#include <ipc/ipc.h> |
#include <ipc/irq.h> |
#include <ipc/event.h> |
#include <symtab.h> |
#include <errno.h> |
#ifdef CONFIG_TEST |
#include <test.h> |
#endif |
/* Data and methods for 'help' command. */ |
static int cmd_help(cmd_arg_t *argv); |
static cmd_info_t help_info = { |
.name = "help", |
.description = "List of supported commands.", |
.func = cmd_help, |
.argc = 0 |
}; |
static int cmd_reboot(cmd_arg_t *argv); |
static cmd_info_t reboot_info = { |
.name = "reboot", |
.description = "Reboot.", |
.func = cmd_reboot, |
.argc = 0 |
}; |
static int cmd_uptime(cmd_arg_t *argv); |
static cmd_info_t uptime_info = { |
.name = "uptime", |
.description = "Print uptime information.", |
.func = cmd_uptime, |
.argc = 0 |
}; |
static int cmd_continue(cmd_arg_t *argv); |
static cmd_info_t continue_info = { |
.name = "continue", |
.description = "Return console back to userspace.", |
.func = cmd_continue, |
.argc = 0 |
}; |
#ifdef CONFIG_TEST |
static int cmd_tests(cmd_arg_t *argv); |
static cmd_info_t tests_info = { |
.name = "tests", |
.description = "Print available kernel tests.", |
.func = cmd_tests, |
.argc = 0 |
}; |
static char test_buf[MAX_CMDLINE + 1]; |
static int cmd_test(cmd_arg_t *argv); |
static cmd_arg_t test_argv[] = { |
{ |
.type = ARG_TYPE_STRING, |
.buffer = test_buf, |
.len = sizeof(test_buf) |
} |
}; |
static cmd_info_t test_info = { |
.name = "test", |
.description = "Run kernel test.", |
.func = cmd_test, |
.argc = 1, |
.argv = test_argv |
}; |
static int cmd_bench(cmd_arg_t *argv); |
static cmd_arg_t bench_argv[] = { |
{ |
.type = ARG_TYPE_STRING, |
.buffer = test_buf, |
.len = sizeof(test_buf) |
}, |
{ |
.type = ARG_TYPE_INT, |
} |
}; |
static cmd_info_t bench_info = { |
.name = "bench", |
.description = "Run kernel test as benchmark.", |
.func = cmd_bench, |
.argc = 2, |
.argv = bench_argv |
}; |
#endif |
/* Data and methods for 'description' command. */ |
static int cmd_desc(cmd_arg_t *argv); |
static void desc_help(void); |
static char desc_buf[MAX_CMDLINE+1]; |
static cmd_arg_t desc_argv = { |
.type = ARG_TYPE_STRING, |
.buffer = desc_buf, |
.len = sizeof(desc_buf) |
}; |
static cmd_info_t desc_info = { |
.name = "describe", |
.description = "Describe specified command.", |
.help = desc_help, |
.func = cmd_desc, |
.argc = 1, |
.argv = &desc_argv |
}; |
/* Data and methods for 'symaddr' command. */ |
static int cmd_symaddr(cmd_arg_t *argv); |
static char symaddr_buf[MAX_CMDLINE+1]; |
static cmd_arg_t symaddr_argv = { |
.type = ARG_TYPE_STRING, |
.buffer = symaddr_buf, |
.len = sizeof(symaddr_buf) |
}; |
static cmd_info_t symaddr_info = { |
.name = "symaddr", |
.description = "Return symbol address.", |
.func = cmd_symaddr, |
.argc = 1, |
.argv = &symaddr_argv |
}; |
static char set_buf[MAX_CMDLINE+1]; |
static int cmd_set4(cmd_arg_t *argv); |
static cmd_arg_t set4_argv[] = { |
{ |
.type = ARG_TYPE_STRING, |
.buffer = set_buf, |
.len = sizeof(set_buf) |
}, |
{ |
.type = ARG_TYPE_INT |
} |
}; |
static cmd_info_t set4_info = { |
.name = "set4", |
.description = "set <dest_addr> <value> - 4byte version", |
.func = cmd_set4, |
.argc = 2, |
.argv = set4_argv |
}; |
/* Data and methods for 'call0' command. */ |
static char call0_buf[MAX_CMDLINE + 1]; |
static char carg1_buf[MAX_CMDLINE + 1]; |
static char carg2_buf[MAX_CMDLINE + 1]; |
static char carg3_buf[MAX_CMDLINE + 1]; |
static int cmd_call0(cmd_arg_t *argv); |
static cmd_arg_t call0_argv = { |
.type = ARG_TYPE_STRING, |
.buffer = call0_buf, |
.len = sizeof(call0_buf) |
}; |
static cmd_info_t call0_info = { |
.name = "call0", |
.description = "call0 <function> -> call function().", |
.func = cmd_call0, |
.argc = 1, |
.argv = &call0_argv |
}; |
/* Data and methods for 'mcall0' command. */ |
static int cmd_mcall0(cmd_arg_t *argv); |
static cmd_arg_t mcall0_argv = { |
.type = ARG_TYPE_STRING, |
.buffer = call0_buf, |
.len = sizeof(call0_buf) |
}; |
static cmd_info_t mcall0_info = { |
.name = "mcall0", |
.description = "mcall0 <function> -> call function() on each CPU.", |
.func = cmd_mcall0, |
.argc = 1, |
.argv = &mcall0_argv |
}; |
/* Data and methods for 'call1' command. */ |
static int cmd_call1(cmd_arg_t *argv); |
static cmd_arg_t call1_argv[] = { |
{ |
.type = ARG_TYPE_STRING, |
.buffer = call0_buf, |
.len = sizeof(call0_buf) |
}, |
{ |
.type = ARG_TYPE_VAR, |
.buffer = carg1_buf, |
.len = sizeof(carg1_buf) |
} |
}; |
static cmd_info_t call1_info = { |
.name = "call1", |
.description = "call1 <function> <arg1> -> call function(arg1).", |
.func = cmd_call1, |
.argc = 2, |
.argv = call1_argv |
}; |
/* Data and methods for 'call2' command. */ |
static int cmd_call2(cmd_arg_t *argv); |
static cmd_arg_t call2_argv[] = { |
{ |
.type = ARG_TYPE_STRING, |
.buffer = call0_buf, |
.len = sizeof(call0_buf) |
}, |
{ |
.type = ARG_TYPE_VAR, |
.buffer = carg1_buf, |
.len = sizeof(carg1_buf) |
}, |
{ |
.type = ARG_TYPE_VAR, |
.buffer = carg2_buf, |
.len = sizeof(carg2_buf) |
} |
}; |
static cmd_info_t call2_info = { |
.name = "call2", |
.description = "call2 <function> <arg1> <arg2> -> call function(arg1,arg2).", |
.func = cmd_call2, |
.argc = 3, |
.argv = call2_argv |
}; |
/* Data and methods for 'call3' command. */ |
static int cmd_call3(cmd_arg_t *argv); |
static cmd_arg_t call3_argv[] = { |
{ |
.type = ARG_TYPE_STRING, |
.buffer = call0_buf, |
.len = sizeof(call0_buf) |
}, |
{ |
.type = ARG_TYPE_VAR, |
.buffer = carg1_buf, |
.len = sizeof(carg1_buf) |
}, |
{ |
.type = ARG_TYPE_VAR, |
.buffer = carg2_buf, |
.len = sizeof(carg2_buf) |
}, |
{ |
.type = ARG_TYPE_VAR, |
.buffer = carg3_buf, |
.len = sizeof(carg3_buf) |
} |
}; |
static cmd_info_t call3_info = { |
.name = "call3", |
.description = "call3 <function> <arg1> <arg2> <arg3> -> call function(arg1,arg2,arg3).", |
.func = cmd_call3, |
.argc = 4, |
.argv = call3_argv |
}; |
/* Data and methods for 'halt' command. */ |
static int cmd_halt(cmd_arg_t *argv); |
static cmd_info_t halt_info = { |
.name = "halt", |
.description = "Halt the kernel.", |
.func = cmd_halt, |
.argc = 0 |
}; |
/* Data and methods for 'physmem' command. */ |
static int cmd_physmem(cmd_arg_t *argv); |
cmd_info_t physmem_info = { |
.name = "physmem", |
.description = "Print physical memory configuration.", |
.help = NULL, |
.func = cmd_physmem, |
.argc = 0, |
.argv = NULL |
}; |
/* Data and methods for 'tlb' command. */ |
static int cmd_tlb(cmd_arg_t *argv); |
cmd_info_t tlb_info = { |
.name = "tlb", |
.description = "Print TLB of current processor.", |
.help = NULL, |
.func = cmd_tlb, |
.argc = 0, |
.argv = NULL |
}; |
static int cmd_threads(cmd_arg_t *argv); |
static cmd_info_t threads_info = { |
.name = "threads", |
.description = "List all threads.", |
.func = cmd_threads, |
.argc = 0 |
}; |
static int cmd_tasks(cmd_arg_t *argv); |
static cmd_info_t tasks_info = { |
.name = "tasks", |
.description = "List all tasks.", |
.func = cmd_tasks, |
.argc = 0 |
}; |
static int cmd_sched(cmd_arg_t *argv); |
static cmd_info_t sched_info = { |
.name = "scheduler", |
.description = "List all scheduler information.", |
.func = cmd_sched, |
.argc = 0 |
}; |
static int cmd_slabs(cmd_arg_t *argv); |
static cmd_info_t slabs_info = { |
.name = "slabs", |
.description = "List slab caches.", |
.func = cmd_slabs, |
.argc = 0 |
}; |
/* Data and methods for 'zones' command */ |
static int cmd_zones(cmd_arg_t *argv); |
static cmd_info_t zones_info = { |
.name = "zones", |
.description = "List of memory zones.", |
.func = cmd_zones, |
.argc = 0 |
}; |
/* Data and methods for 'ipc' command */ |
static int cmd_ipc(cmd_arg_t *argv); |
static cmd_arg_t ipc_argv = { |
.type = ARG_TYPE_INT, |
}; |
static cmd_info_t ipc_info = { |
.name = "ipc", |
.description = "ipc <taskid> Show IPC information of given task.", |
.func = cmd_ipc, |
.argc = 1, |
.argv = &ipc_argv |
}; |
/* Data and methods for 'zone' command */ |
static int cmd_zone(cmd_arg_t *argv); |
static cmd_arg_t zone_argv = { |
.type = ARG_TYPE_INT, |
}; |
static cmd_info_t zone_info = { |
.name = "zone", |
.description = "Show memory zone structure.", |
.func = cmd_zone, |
.argc = 1, |
.argv = &zone_argv |
}; |
/* Data and methods for 'cpus' command. */ |
static int cmd_cpus(cmd_arg_t *argv); |
cmd_info_t cpus_info = { |
.name = "cpus", |
.description = "List all processors.", |
.help = NULL, |
.func = cmd_cpus, |
.argc = 0, |
.argv = NULL |
}; |
/* Data and methods for 'version' command. */ |
static int cmd_version(cmd_arg_t *argv); |
cmd_info_t version_info = { |
.name = "version", |
.description = "Print version information.", |
.help = NULL, |
.func = cmd_version, |
.argc = 0, |
.argv = NULL |
}; |
static cmd_info_t *basic_commands[] = { |
&call0_info, |
&mcall0_info, |
&call1_info, |
&call2_info, |
&call3_info, |
&continue_info, |
&cpus_info, |
&desc_info, |
&reboot_info, |
&uptime_info, |
&halt_info, |
&help_info, |
&ipc_info, |
&set4_info, |
&slabs_info, |
&symaddr_info, |
&sched_info, |
&threads_info, |
&tasks_info, |
&physmem_info, |
&tlb_info, |
&version_info, |
&zones_info, |
&zone_info, |
#ifdef CONFIG_TEST |
&tests_info, |
&test_info, |
&bench_info, |
#endif |
NULL |
}; |
/** Initialize command info structure. |
* |
* @param cmd Command info structure. |
* |
*/ |
void cmd_initialize(cmd_info_t *cmd) |
{ |
spinlock_initialize(&cmd->lock, "cmd"); |
link_initialize(&cmd->link); |
} |
/** Initialize and register commands. */ |
void cmd_init(void) |
{ |
unsigned int i; |
for (i = 0; basic_commands[i]; i++) { |
cmd_initialize(basic_commands[i]); |
if (!cmd_register(basic_commands[i])) |
printf("Cannot register command %s\n", basic_commands[i]->name); |
} |
} |
/** List supported commands. |
* |
* @param argv Argument vector. |
* |
* @return 0 on failure, 1 on success. |
*/ |
int cmd_help(cmd_arg_t *argv) |
{ |
spinlock_lock(&cmd_lock); |
link_t *cur; |
size_t len = 0; |
for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) { |
cmd_info_t *hlp; |
hlp = list_get_instance(cur, cmd_info_t, link); |
spinlock_lock(&hlp->lock); |
if (str_length(hlp->name) > len) |
len = str_length(hlp->name); |
spinlock_unlock(&hlp->lock); |
} |
for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) { |
cmd_info_t *hlp; |
hlp = list_get_instance(cur, cmd_info_t, link); |
spinlock_lock(&hlp->lock); |
printf("%-*s %s\n", len, hlp->name, hlp->description); |
spinlock_unlock(&hlp->lock); |
} |
spinlock_unlock(&cmd_lock); |
return 1; |
} |
/** Reboot the system. |
* |
* @param argv Argument vector. |
* |
* @return 0 on failure, 1 on success. |
*/ |
int cmd_reboot(cmd_arg_t *argv) |
{ |
reboot(); |
/* Not reached */ |
return 1; |
} |
/** Print system uptime information. |
* |
* @param argv Argument vector. |
* |
* @return 0 on failure, 1 on success. |
*/ |
int cmd_uptime(cmd_arg_t *argv) |
{ |
ASSERT(uptime); |
/* This doesn't have to be very accurate */ |
unative_t sec = uptime->seconds1; |
printf("Up %" PRIun " days, %" PRIun " hours, %" PRIun " minutes, %" PRIun " seconds\n", |
sec / 86400, (sec % 86400) / 3600, (sec % 3600) / 60, sec % 60); |
return 1; |
} |
/** Describe specified command. |
* |
* @param argv Argument vector. |
* |
* @return 0 on failure, 1 on success. |
*/ |
int cmd_desc(cmd_arg_t *argv) |
{ |
link_t *cur; |
spinlock_lock(&cmd_lock); |
for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) { |
cmd_info_t *hlp; |
hlp = list_get_instance(cur, cmd_info_t, link); |
spinlock_lock(&hlp->lock); |
if (str_lcmp(hlp->name, (const char *) argv->buffer, str_length(hlp->name)) == 0) { |
printf("%s - %s\n", hlp->name, hlp->description); |
if (hlp->help) |
hlp->help(); |
spinlock_unlock(&hlp->lock); |
break; |
} |
spinlock_unlock(&hlp->lock); |
} |
spinlock_unlock(&cmd_lock); |
return 1; |
} |
/** Search symbol table */ |
int cmd_symaddr(cmd_arg_t *argv) |
{ |
symtab_print_search((char *) argv->buffer); |
return 1; |
} |
/** Call function with zero parameters */ |
int cmd_call0(cmd_arg_t *argv) |
{ |
uintptr_t symaddr; |
char *symbol; |
unative_t (*fnc)(void); |
fncptr_t fptr; |
int rc; |
symbol = (char *) argv->buffer; |
rc = symtab_addr_lookup(symbol, &symaddr); |
if (rc == ENOENT) |
printf("Symbol %s not found.\n", symbol); |
else if (rc == EOVERFLOW) { |
symtab_print_search(symbol); |
printf("Duplicate symbol, be more specific.\n"); |
} else if (rc == EOK) { |
fnc = (unative_t (*)(void)) arch_construct_function(&fptr, |
(void *) symaddr, (void *) cmd_call0); |
printf("Calling %s() (%p)\n", symbol, symaddr); |
printf("Result: %#" PRIxn "\n", fnc()); |
} else { |
printf("No symbol information available.\n"); |
} |
return 1; |
} |
/** Call function with zero parameters on each CPU */ |
int cmd_mcall0(cmd_arg_t *argv) |
{ |
/* |
* For each CPU, create a thread which will |
* call the function. |
*/ |
size_t i; |
for (i = 0; i < config.cpu_count; i++) { |
if (!cpus[i].active) |
continue; |
thread_t *t; |
if ((t = thread_create((void (*)(void *)) cmd_call0, (void *) argv, TASK, THREAD_FLAG_WIRED, "call0", false))) { |
spinlock_lock(&t->lock); |
t->cpu = &cpus[i]; |
spinlock_unlock(&t->lock); |
printf("cpu%u: ", i); |
thread_ready(t); |
thread_join(t); |
thread_detach(t); |
} else |
printf("Unable to create thread for cpu%u\n", i); |
} |
return 1; |
} |
/** Call function with one parameter */ |
int cmd_call1(cmd_arg_t *argv) |
{ |
uintptr_t symaddr; |
char *symbol; |
unative_t (*fnc)(unative_t, ...); |
unative_t arg1 = argv[1].intval; |
fncptr_t fptr; |
int rc; |
symbol = (char *) argv->buffer; |
rc = symtab_addr_lookup(symbol, &symaddr); |
if (rc == ENOENT) { |
printf("Symbol %s not found.\n", symbol); |
} else if (rc == EOVERFLOW) { |
symtab_print_search(symbol); |
printf("Duplicate symbol, be more specific.\n"); |
} else if (rc == EOK) { |
fnc = (unative_t (*)(unative_t, ...)) arch_construct_function(&fptr, (void *) symaddr, (void *) cmd_call1); |
printf("Calling f(%#" PRIxn "): %p: %s\n", arg1, symaddr, symbol); |
printf("Result: %#" PRIxn "\n", fnc(arg1)); |
} else { |
printf("No symbol information available.\n"); |
} |
return 1; |
} |
/** Call function with two parameters */ |
int cmd_call2(cmd_arg_t *argv) |
{ |
uintptr_t symaddr; |
char *symbol; |
unative_t (*fnc)(unative_t, unative_t, ...); |
unative_t arg1 = argv[1].intval; |
unative_t arg2 = argv[2].intval; |
fncptr_t fptr; |
int rc; |
symbol = (char *) argv->buffer; |
rc = symtab_addr_lookup(symbol, &symaddr); |
if (rc == ENOENT) { |
printf("Symbol %s not found.\n", symbol); |
} else if (rc == EOVERFLOW) { |
symtab_print_search(symbol); |
printf("Duplicate symbol, be more specific.\n"); |
} else if (rc == EOK) { |
fnc = (unative_t (*)(unative_t, unative_t, ...)) arch_construct_function(&fptr, (void *) symaddr, (void *) cmd_call2); |
printf("Calling f(%#" PRIxn ", %#" PRIxn "): %p: %s\n", |
arg1, arg2, symaddr, symbol); |
printf("Result: %#" PRIxn "\n", fnc(arg1, arg2)); |
} else { |
printf("No symbol information available.\n"); |
} |
return 1; |
} |
/** Call function with three parameters */ |
int cmd_call3(cmd_arg_t *argv) |
{ |
uintptr_t symaddr; |
char *symbol; |
unative_t (*fnc)(unative_t, unative_t, unative_t, ...); |
unative_t arg1 = argv[1].intval; |
unative_t arg2 = argv[2].intval; |
unative_t arg3 = argv[3].intval; |
fncptr_t fptr; |
int rc; |
symbol = (char *) argv->buffer; |
rc = symtab_addr_lookup(symbol, &symaddr); |
if (rc == ENOENT) { |
printf("Symbol %s not found.\n", symbol); |
} else if (rc == EOVERFLOW) { |
symtab_print_search(symbol); |
printf("Duplicate symbol, be more specific.\n"); |
} else if (rc == EOK) { |
fnc = (unative_t (*)(unative_t, unative_t, unative_t, ...)) arch_construct_function(&fptr, (void *) symaddr, (void *) cmd_call3); |
printf("Calling f(%#" PRIxn ",%#" PRIxn ", %#" PRIxn "): %p: %s\n", |
arg1, arg2, arg3, symaddr, symbol); |
printf("Result: %#" PRIxn "\n", fnc(arg1, arg2, arg3)); |
} else { |
printf("No symbol information available.\n"); |
} |
return 1; |
} |
/** Print detailed description of 'describe' command. */ |
void desc_help(void) |
{ |
printf("Syntax: describe command_name\n"); |
} |
/** Halt the kernel. |
* |
* @param argv Argument vector (ignored). |
* |
* @return 0 on failure, 1 on success (never returns). |
*/ |
int cmd_halt(cmd_arg_t *argv) |
{ |
halt(); |
return 1; |
} |
/** Command for printing TLB contents. |
* |
* @param argv Not used. |
* |
* @return Always returns 1. |
*/ |
int cmd_tlb(cmd_arg_t *argv) |
{ |
tlb_print(); |
return 1; |
} |
/** Command for printing physical memory configuration. |
* |
* @param argv Not used. |
* |
* @return Always returns 1. |
*/ |
int cmd_physmem(cmd_arg_t *argv) |
{ |
physmem_print(); |
return 1; |
} |
/** Write 4 byte value to address */ |
int cmd_set4(cmd_arg_t *argv) |
{ |
uintptr_t addr; |
uint32_t arg1 = argv[1].intval; |
bool pointer = false; |
int rc; |
if (((char *)argv->buffer)[0] == '*') { |
rc = symtab_addr_lookup((char *) argv->buffer + 1, &addr); |
pointer = true; |
} else if (((char *) argv->buffer)[0] >= '0' && |
((char *)argv->buffer)[0] <= '9') { |
rc = EOK; |
addr = atoi((char *)argv->buffer); |
} else { |
rc = symtab_addr_lookup((char *) argv->buffer, &addr); |
} |
if (rc == ENOENT) |
printf("Symbol %s not found.\n", argv->buffer); |
else if (rc == EOVERFLOW) { |
symtab_print_search((char *) argv->buffer); |
printf("Duplicate symbol, be more specific.\n"); |
} else if (rc == EOK) { |
if (pointer) |
addr = *(uintptr_t *) addr; |
printf("Writing %#" PRIx64 " -> %p\n", arg1, addr); |
*(uint32_t *) addr = arg1; |
} else { |
printf("No symbol information available.\n"); |
} |
return 1; |
} |
/** Command for listings SLAB caches |
* |
* @param argv Ignores |
* |
* @return Always 1 |
*/ |
int cmd_slabs(cmd_arg_t * argv) { |
slab_print_list(); |
return 1; |
} |
/** Command for listings Thread information |
* |
* @param argv Ignores |
* |
* @return Always 1 |
*/ |
int cmd_threads(cmd_arg_t * argv) { |
thread_print_list(); |
return 1; |
} |
/** Command for listings Task information |
* |
* @param argv Ignores |
* |
* @return Always 1 |
*/ |
int cmd_tasks(cmd_arg_t * argv) { |
task_print_list(); |
return 1; |
} |
/** Command for listings Thread information |
* |
* @param argv Ignores |
* |
* @return Always 1 |
*/ |
int cmd_sched(cmd_arg_t * argv) { |
sched_print_list(); |
return 1; |
} |
/** Command for listing memory zones |
* |
* @param argv Ignored |
* |
* return Always 1 |
*/ |
int cmd_zones(cmd_arg_t * argv) { |
zone_print_list(); |
return 1; |
} |
/** Command for memory zone details |
* |
* @param argv Integer argument from cmdline expected |
* |
* return Always 1 |
*/ |
int cmd_zone(cmd_arg_t * argv) { |
zone_print_one(argv[0].intval); |
return 1; |
} |
/** Command for printing task ipc details |
* |
* @param argv Integer argument from cmdline expected |
* |
* return Always 1 |
*/ |
int cmd_ipc(cmd_arg_t * argv) { |
ipc_print_task(argv[0].intval); |
return 1; |
} |
/** Command for listing processors. |
* |
* @param argv Ignored. |
* |
* return Always 1. |
*/ |
int cmd_cpus(cmd_arg_t *argv) |
{ |
cpu_list(); |
return 1; |
} |
/** Command for printing kernel version. |
* |
* @param argv Ignored. |
* |
* return Always 1. |
*/ |
int cmd_version(cmd_arg_t *argv) |
{ |
version_print(); |
return 1; |
} |
/** Command for returning console back to userspace. |
* |
* @param argv Ignored. |
* |
* return Always 1. |
*/ |
int cmd_continue(cmd_arg_t *argv) |
{ |
printf("The kernel will now relinquish the console.\n"); |
release_console(); |
event_notify_0(EVENT_KCONSOLE); |
indev_pop_character(stdin); |
return 1; |
} |
#ifdef CONFIG_TEST |
/** Command for printing kernel tests list. |
* |
* @param argv Ignored. |
* |
* return Always 1. |
*/ |
int cmd_tests(cmd_arg_t *argv) |
{ |
size_t len = 0; |
test_t *test; |
for (test = tests; test->name != NULL; test++) { |
if (str_length(test->name) > len) |
len = str_length(test->name); |
} |
for (test = tests; test->name != NULL; test++) |
printf("%-*s %s%s\n", len, test->name, test->desc, (test->safe ? "" : " (unsafe)")); |
printf("%-*s Run all safe tests\n", len, "*"); |
return 1; |
} |
static bool run_test(const test_t *test) |
{ |
printf("%s (%s)\n", test->name, test->desc); |
/* Update and read thread accounting |
for benchmarking */ |
ipl_t ipl = interrupts_disable(); |
spinlock_lock(&TASK->lock); |
uint64_t t0 = task_get_accounting(TASK); |
spinlock_unlock(&TASK->lock); |
interrupts_restore(ipl); |
/* Execute the test */ |
test_quiet = false; |
char *ret = test->entry(); |
/* Update and read thread accounting */ |
ipl = interrupts_disable(); |
spinlock_lock(&TASK->lock); |
uint64_t dt = task_get_accounting(TASK) - t0; |
spinlock_unlock(&TASK->lock); |
interrupts_restore(ipl); |
uint64_t cycles; |
char suffix; |
order(dt, &cycles, &suffix); |
printf("Time: %" PRIu64 "%c cycles\n", cycles, suffix); |
if (ret == NULL) { |
printf("Test passed\n"); |
return true; |
} |
printf("%s\n", ret); |
return false; |
} |
static bool run_bench(const test_t *test, const uint32_t cnt) |
{ |
uint32_t i; |
bool ret = true; |
uint64_t cycles; |
char suffix; |
if (cnt < 1) |
return true; |
uint64_t *data = (uint64_t *) malloc(sizeof(uint64_t) * cnt, 0); |
if (data == NULL) { |
printf("Error allocating memory for statistics\n"); |
return false; |
} |
for (i = 0; i < cnt; i++) { |
printf("%s (%u/%u) ... ", test->name, i + 1, cnt); |
/* Update and read thread accounting |
for benchmarking */ |
ipl_t ipl = interrupts_disable(); |
spinlock_lock(&TASK->lock); |
uint64_t t0 = task_get_accounting(TASK); |
spinlock_unlock(&TASK->lock); |
interrupts_restore(ipl); |
/* Execute the test */ |
test_quiet = true; |
char * ret = test->entry(); |
/* Update and read thread accounting */ |
ipl = interrupts_disable(); |
spinlock_lock(&TASK->lock); |
uint64_t dt = task_get_accounting(TASK) - t0; |
spinlock_unlock(&TASK->lock); |
interrupts_restore(ipl); |
if (ret != NULL) { |
printf("%s\n", ret); |
ret = false; |
break; |
} |
data[i] = dt; |
order(dt, &cycles, &suffix); |
printf("OK (%" PRIu64 "%c cycles)\n", cycles, suffix); |
} |
if (ret) { |
printf("\n"); |
uint64_t sum = 0; |
for (i = 0; i < cnt; i++) { |
sum += data[i]; |
} |
order(sum / (uint64_t) cnt, &cycles, &suffix); |
printf("Average\t\t%" PRIu64 "%c\n", cycles, suffix); |
} |
free(data); |
return ret; |
} |
/** Command for returning kernel tests |
* |
* @param argv Argument vector. |
* |
* return Always 1. |
*/ |
int cmd_test(cmd_arg_t *argv) |
{ |
test_t *test; |
if (str_cmp((char *) argv->buffer, "*") == 0) { |
for (test = tests; test->name != NULL; test++) { |
if (test->safe) { |
printf("\n"); |
if (!run_test(test)) |
break; |
} |
} |
} else { |
bool fnd = false; |
for (test = tests; test->name != NULL; test++) { |
if (str_cmp(test->name, (char *) argv->buffer) == 0) { |
fnd = true; |
run_test(test); |
break; |
} |
} |
if (!fnd) |
printf("Unknown test\n"); |
} |
return 1; |
} |
/** Command for returning kernel tests as benchmarks |
* |
* @param argv Argument vector. |
* |
* return Always 1. |
*/ |
int cmd_bench(cmd_arg_t *argv) |
{ |
test_t *test; |
uint32_t cnt = argv[1].intval; |
if (str_cmp((char *) argv->buffer, "*") == 0) { |
for (test = tests; test->name != NULL; test++) { |
if (test->safe) { |
if (!run_bench(test, cnt)) |
break; |
} |
} |
} else { |
bool fnd = false; |
for (test = tests; test->name != NULL; test++) { |
if (str_cmp(test->name, (char *) argv->buffer) == 0) { |
fnd = true; |
if (test->safe) |
run_bench(test, cnt); |
else |
printf("Unsafe test\n"); |
break; |
} |
} |
if (!fnd) |
printf("Unknown test\n"); |
} |
return 1; |
} |
#endif |
/** @} |
*/ |
/branches/arm/kernel/generic/src/console/kconsole.c |
---|
0,0 → 1,689 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericconsole |
* @{ |
*/ |
/** |
* @file kconsole.c |
* @brief Kernel console. |
* |
* This file contains kernel thread managing the kernel console. |
* |
*/ |
#include <console/kconsole.h> |
#include <console/console.h> |
#include <console/chardev.h> |
#include <console/cmd.h> |
#include <print.h> |
#include <panic.h> |
#include <arch/types.h> |
#include <adt/list.h> |
#include <arch.h> |
#include <macros.h> |
#include <debug.h> |
#include <func.h> |
#include <string.h> |
#include <macros.h> |
#include <sysinfo/sysinfo.h> |
#include <ddi/device.h> |
#include <symtab.h> |
#include <errno.h> |
#include <putchar.h> |
#include <string.h> |
/** Simple kernel console. |
* |
* The console is realized by kernel thread kconsole. |
* It doesn't understand any useful command on its own, |
* but makes it possible for other kernel subsystems to |
* register their own commands. |
*/ |
/** Locking. |
* |
* There is a list of cmd_info_t structures. This list |
* is protected by cmd_lock spinlock. Note that specially |
* the link elements of cmd_info_t are protected by |
* this lock. |
* |
* Each cmd_info_t also has its own lock, which protects |
* all elements thereof except the link element. |
* |
* cmd_lock must be acquired before any cmd_info lock. |
* When locking two cmd info structures, structure with |
* lower address must be locked first. |
*/ |
SPINLOCK_INITIALIZE(cmd_lock); /**< Lock protecting command list. */ |
LIST_INITIALIZE(cmd_head); /**< Command list. */ |
static wchar_t history[KCONSOLE_HISTORY][MAX_CMDLINE] = {}; |
static size_t history_pos = 0; |
/** Initialize kconsole data structures |
* |
* This is the most basic initialization, almost no |
* other kernel subsystem is ready yet. |
* |
*/ |
void kconsole_init(void) |
{ |
unsigned int i; |
cmd_init(); |
for (i = 0; i < KCONSOLE_HISTORY; i++) |
history[i][0] = 0; |
} |
/** Register kconsole command. |
* |
* @param cmd Structure describing the command. |
* |
* @return False on failure, true on success. |
* |
*/ |
bool cmd_register(cmd_info_t *cmd) |
{ |
link_t *cur; |
spinlock_lock(&cmd_lock); |
/* |
* Make sure the command is not already listed. |
*/ |
for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) { |
cmd_info_t *hlp = list_get_instance(cur, cmd_info_t, link); |
if (hlp == cmd) { |
/* The command is already there. */ |
spinlock_unlock(&cmd_lock); |
return false; |
} |
/* Avoid deadlock. */ |
if (hlp < cmd) { |
spinlock_lock(&hlp->lock); |
spinlock_lock(&cmd->lock); |
} else { |
spinlock_lock(&cmd->lock); |
spinlock_lock(&hlp->lock); |
} |
if (str_cmp(hlp->name, cmd->name) == 0) { |
/* The command is already there. */ |
spinlock_unlock(&hlp->lock); |
spinlock_unlock(&cmd->lock); |
spinlock_unlock(&cmd_lock); |
return false; |
} |
spinlock_unlock(&hlp->lock); |
spinlock_unlock(&cmd->lock); |
} |
/* |
* Now the command can be added. |
*/ |
list_append(&cmd->link, &cmd_head); |
spinlock_unlock(&cmd_lock); |
return true; |
} |
/** Print count times a character */ |
static void print_cc(wchar_t ch, size_t count) |
{ |
size_t i; |
for (i = 0; i < count; i++) |
putchar(ch); |
} |
/** Try to find a command beginning with prefix */ |
static const char *cmdtab_search_one(const char *name, link_t **startpos) |
{ |
size_t namelen = str_length(name); |
spinlock_lock(&cmd_lock); |
if (*startpos == NULL) |
*startpos = cmd_head.next; |
for (; *startpos != &cmd_head; *startpos = (*startpos)->next) { |
cmd_info_t *hlp = list_get_instance(*startpos, cmd_info_t, link); |
const char *curname = hlp->name; |
if (str_length(curname) < namelen) |
continue; |
if (str_lcmp(curname, name, namelen) == 0) { |
spinlock_unlock(&cmd_lock); |
return (curname + str_lsize(curname, namelen)); |
} |
} |
spinlock_unlock(&cmd_lock); |
return NULL; |
} |
/** Command completion of the commands |
* |
* @param name String to match, changed to hint on exit |
* @param size Input buffer size |
* |
* @return Number of found matches |
* |
*/ |
static int cmdtab_compl(char *input, size_t size) |
{ |
const char *name = input; |
size_t found = 0; |
link_t *pos = NULL; |
const char *hint; |
char output[MAX_CMDLINE]; |
output[0] = 0; |
while ((hint = cmdtab_search_one(name, &pos))) { |
if ((found == 0) || (str_length(output) > str_length(hint))) |
str_cpy(output, MAX_CMDLINE, hint); |
pos = pos->next; |
found++; |
} |
if ((found > 1) && (str_length(output) != 0)) { |
printf("\n"); |
pos = NULL; |
while ((hint = cmdtab_search_one(name, &pos))) { |
cmd_info_t *hlp = list_get_instance(pos, cmd_info_t, link); |
printf("%s (%s)\n", hlp->name, hlp->description); |
pos = pos->next; |
} |
} |
if (found > 0) |
str_cpy(input, size, output); |
return found; |
} |
static wchar_t *clever_readline(const char *prompt, indev_t *indev) |
{ |
printf("%s> ", prompt); |
size_t position = 0; |
wchar_t *current = history[history_pos]; |
current[0] = 0; |
while (true) { |
wchar_t ch = indev_pop_character(indev); |
if (ch == '\n') { |
/* Enter */ |
putchar(ch); |
break; |
} |
if (ch == '\b') { |
/* Backspace */ |
if (position == 0) |
continue; |
if (wstr_remove(current, position - 1)) { |
position--; |
putchar('\b'); |
printf("%ls ", current + position); |
print_cc('\b', wstr_length(current) - position + 1); |
continue; |
} |
} |
if (ch == '\t') { |
/* Tab completion */ |
/* Move to the end of the word */ |
for (; (current[position] != 0) && (!isspace(current[position])); |
position++) |
putchar(current[position]); |
if (position == 0) |
continue; |
/* Find the beginning of the word |
and copy it to tmp */ |
size_t beg; |
for (beg = position - 1; (beg > 0) && (!isspace(current[beg])); |
beg--); |
if (isspace(current[beg])) |
beg++; |
char tmp[STR_BOUNDS(MAX_CMDLINE)]; |
wstr_nstr(tmp, current + beg, position - beg + 1); |
int found; |
if (beg == 0) { |
/* Command completion */ |
found = cmdtab_compl(tmp, STR_BOUNDS(MAX_CMDLINE)); |
} else { |
/* Symbol completion */ |
found = symtab_compl(tmp, STR_BOUNDS(MAX_CMDLINE)); |
} |
if (found == 0) |
continue; |
if (found > 1) { |
/* No unique hint, list was printed */ |
printf("%s> ", prompt); |
printf("%ls", current); |
print_cc('\b', wstr_length(current) - position); |
continue; |
} |
/* We have a hint */ |
size_t off = 0; |
size_t i = 0; |
while ((ch = str_decode(tmp, &off, STR_NO_LIMIT)) != 0) { |
if (!wstr_linsert(current, ch, position + i, MAX_CMDLINE)) |
break; |
i++; |
} |
printf("%ls", current + position); |
position += str_length(tmp); |
print_cc('\b', wstr_length(current) - position); |
if (position == wstr_length(current)) { |
/* Insert a space after the last completed argument */ |
if (wstr_linsert(current, ' ', position, MAX_CMDLINE)) { |
printf("%ls", current + position); |
position++; |
} |
} |
continue; |
} |
if (ch == U_LEFT_ARROW) { |
/* Left */ |
if (position > 0) { |
putchar('\b'); |
position--; |
} |
continue; |
} |
if (ch == U_RIGHT_ARROW) { |
/* Right */ |
if (position < wstr_length(current)) { |
putchar(current[position]); |
position++; |
} |
continue; |
} |
if ((ch == U_UP_ARROW) || (ch == U_DOWN_ARROW)) { |
/* Up, down */ |
print_cc('\b', position); |
print_cc(' ', wstr_length(current)); |
print_cc('\b', wstr_length(current)); |
if (ch == U_UP_ARROW) { |
/* Up */ |
if (history_pos == 0) |
history_pos = KCONSOLE_HISTORY - 1; |
else |
history_pos--; |
} else { |
/* Down */ |
history_pos++; |
history_pos = history_pos % KCONSOLE_HISTORY; |
} |
current = history[history_pos]; |
printf("%ls", current); |
position = wstr_length(current); |
continue; |
} |
if (ch == U_HOME_ARROW) { |
/* Home */ |
print_cc('\b', position); |
position = 0; |
continue; |
} |
if (ch == U_END_ARROW) { |
/* End */ |
printf("%ls", current + position); |
position = wstr_length(current); |
continue; |
} |
if (ch == U_DELETE) { |
/* Delete */ |
if (position == wstr_length(current)) |
continue; |
if (wstr_remove(current, position)) { |
printf("%ls ", current + position); |
print_cc('\b', wstr_length(current) - position + 1); |
} |
continue; |
} |
if (wstr_linsert(current, ch, position, MAX_CMDLINE)) { |
printf("%ls", current + position); |
position++; |
print_cc('\b', wstr_length(current) - position); |
} |
} |
if (wstr_length(current) > 0) { |
history_pos++; |
history_pos = history_pos % KCONSOLE_HISTORY; |
} |
return current; |
} |
bool kconsole_check_poll(void) |
{ |
return check_poll(stdin); |
} |
static bool parse_int_arg(const char *text, size_t len, unative_t *result) |
{ |
bool isaddr = false; |
bool isptr = false; |
/* If we get a name, try to find it in symbol table */ |
if (text[0] == '&') { |
isaddr = true; |
text++; |
len--; |
} else if (text[0] == '*') { |
isptr = true; |
text++; |
len--; |
} |
if ((text[0] < '0') || (text[0] > '9')) { |
char symname[MAX_SYMBOL_NAME]; |
str_ncpy(symname, MAX_SYMBOL_NAME, text, len + 1); |
uintptr_t symaddr; |
int rc = symtab_addr_lookup(symname, &symaddr); |
switch (rc) { |
case ENOENT: |
printf("Symbol %s not found.\n", symname); |
return false; |
case EOVERFLOW: |
printf("Duplicate symbol %s.\n", symname); |
symtab_print_search(symname); |
return false; |
case ENOTSUP: |
printf("No symbol information available.\n"); |
return false; |
} |
if (isaddr) |
*result = (unative_t) symaddr; |
else if (isptr) |
*result = **((unative_t **) symaddr); |
else |
*result = *((unative_t *) symaddr); |
} else { |
/* It's a number - convert it */ |
*result = atoi(text); |
if (isptr) |
*result = *((unative_t *) *result); |
} |
return true; |
} |
/** Parse argument. |
* |
* Find start and end positions of command line argument. |
* |
* @param cmdline Command line as read from the input device. |
* @param size Size (in bytes) of the string. |
* @param start On entry, 'start' contains pointer to the offset |
* of the first unprocessed character of cmdline. |
* On successful exit, it marks beginning of the next argument. |
* @param end Undefined on entry. On exit, 'end' is the offset of the first |
* character behind the next argument. |
* |
* @return False on failure, true on success. |
* |
*/ |
static bool parse_argument(const char *cmdline, size_t size, size_t *start, size_t *end) |
{ |
ASSERT(start != NULL); |
ASSERT(end != NULL); |
bool found_start = false; |
size_t offset = *start; |
size_t prev = *start; |
wchar_t ch; |
while ((ch = str_decode(cmdline, &offset, size)) != 0) { |
if (!found_start) { |
if (!isspace(ch)) { |
*start = prev; |
found_start = true; |
} |
} else { |
if (isspace(ch)) |
break; |
} |
prev = offset; |
} |
*end = prev; |
return found_start; |
} |
/** Parse command line. |
* |
* @param cmdline Command line as read from input device. |
* @param size Size (in bytes) of the string. |
* |
* @return Structure describing the command. |
* |
*/ |
static cmd_info_t *parse_cmdline(const char *cmdline, size_t size) |
{ |
size_t start = 0; |
size_t end = 0; |
if (!parse_argument(cmdline, size, &start, &end)) { |
/* Command line did not contain alphanumeric word. */ |
return NULL; |
} |
spinlock_lock(&cmd_lock); |
cmd_info_t *cmd = NULL; |
link_t *cur; |
for (cur = cmd_head.next; cur != &cmd_head; cur = cur->next) { |
cmd_info_t *hlp = list_get_instance(cur, cmd_info_t, link); |
spinlock_lock(&hlp->lock); |
if (str_lcmp(hlp->name, cmdline + start, |
max(str_length(hlp->name), |
str_nlength(cmdline + start, (size_t) (end - start) - 1))) == 0) { |
cmd = hlp; |
break; |
} |
spinlock_unlock(&hlp->lock); |
} |
spinlock_unlock(&cmd_lock); |
if (!cmd) { |
/* Unknown command. */ |
printf("Unknown command.\n"); |
return NULL; |
} |
/* cmd == hlp is locked */ |
/* |
* The command line must be further analyzed and |
* the parameters therefrom must be matched and |
* converted to those specified in the cmd info |
* structure. |
*/ |
bool error = false; |
size_t i; |
for (i = 0; i < cmd->argc; i++) { |
start = end; |
if (!parse_argument(cmdline, size, &start, &end)) { |
printf("Too few arguments.\n"); |
spinlock_unlock(&cmd->lock); |
return NULL; |
} |
char *buf; |
switch (cmd->argv[i].type) { |
case ARG_TYPE_STRING: |
buf = (char *) cmd->argv[i].buffer; |
str_ncpy(buf, cmd->argv[i].len, cmdline + start, |
end - start); |
break; |
case ARG_TYPE_INT: |
if (!parse_int_arg(cmdline + start, end - start, |
&cmd->argv[i].intval)) |
error = true; |
break; |
case ARG_TYPE_VAR: |
if ((start < end - 1) && (cmdline[start] == '"')) { |
if (cmdline[end - 1] == '"') { |
buf = (char *) cmd->argv[i].buffer; |
str_ncpy(buf, cmd->argv[i].len, |
cmdline + start + 1, |
(end - start) - 1); |
cmd->argv[i].intval = (unative_t) buf; |
cmd->argv[i].vartype = ARG_TYPE_STRING; |
} else { |
printf("Wrong synxtax.\n"); |
error = true; |
} |
} else if (parse_int_arg(cmdline + start, |
end - start, &cmd->argv[i].intval)) { |
cmd->argv[i].vartype = ARG_TYPE_INT; |
} else { |
printf("Unrecognized variable argument.\n"); |
error = true; |
} |
break; |
case ARG_TYPE_INVALID: |
default: |
printf("Invalid argument type\n"); |
error = true; |
break; |
} |
} |
if (error) { |
spinlock_unlock(&cmd->lock); |
return NULL; |
} |
start = end; |
if (parse_argument(cmdline, size, &start, &end)) { |
printf("Too many arguments.\n"); |
spinlock_unlock(&cmd->lock); |
return NULL; |
} |
spinlock_unlock(&cmd->lock); |
return cmd; |
} |
/** Kernel console prompt. |
* |
* @param prompt Kernel console prompt (e.g kconsole/panic). |
* @param msg Message to display in the beginning. |
* @param kcon Wait for keypress to show the prompt |
* and never exit. |
* |
*/ |
void kconsole(char *prompt, char *msg, bool kcon) |
{ |
if (!stdin) { |
LOG("No stdin for kernel console"); |
return; |
} |
if (msg) |
printf("%s", msg); |
if (kcon) |
indev_pop_character(stdin); |
else |
printf("Type \"exit\" to leave the console.\n"); |
while (true) { |
wchar_t *tmp = clever_readline((char *) prompt, stdin); |
size_t len = wstr_length(tmp); |
if (!len) |
continue; |
char cmdline[STR_BOUNDS(MAX_CMDLINE)]; |
wstr_nstr(cmdline, tmp, STR_BOUNDS(MAX_CMDLINE)); |
if ((!kcon) && (len == 4) && (str_lcmp(cmdline, "exit", 4) == 0)) |
break; |
cmd_info_t *cmd_info = parse_cmdline(cmdline, STR_BOUNDS(MAX_CMDLINE)); |
if (!cmd_info) |
continue; |
(void) cmd_info->func(cmd_info->argv); |
} |
} |
/** Kernel console managing thread. |
* |
*/ |
void kconsole_thread(void *data) |
{ |
kconsole("kconsole", "Kernel console ready (press any key to activate)\n", true); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/console/chardev.c |
---|
0,0 → 1,151 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericconsole |
* @{ |
*/ |
/** @file |
*/ |
#include <console/chardev.h> |
#include <synch/waitq.h> |
#include <synch/spinlock.h> |
#include <print.h> |
#include <func.h> |
#include <arch.h> |
/** Initialize input character device. |
* |
* @param indev Input character device. |
* @param op Implementation of input character device operations. |
* |
*/ |
void indev_initialize(char *name, indev_t *indev, |
indev_operations_t *op) |
{ |
indev->name = name; |
waitq_initialize(&indev->wq); |
spinlock_initialize(&indev->lock, "indev"); |
indev->counter = 0; |
indev->index = 0; |
indev->op = op; |
} |
/** Push character read from input character device. |
* |
* @param indev Input character device. |
* @param ch Character being pushed. |
* |
*/ |
void indev_push_character(indev_t *indev, wchar_t ch) |
{ |
ASSERT(indev); |
spinlock_lock(&indev->lock); |
if (indev->counter == INDEV_BUFLEN - 1) { |
/* Buffer full */ |
spinlock_unlock(&indev->lock); |
return; |
} |
indev->counter++; |
indev->buffer[indev->index++] = ch; |
/* Index modulo size of buffer */ |
indev->index = indev->index % INDEV_BUFLEN; |
waitq_wakeup(&indev->wq, WAKEUP_FIRST); |
spinlock_unlock(&indev->lock); |
} |
/** Pop character from input character device. |
* |
* @param indev Input character device. |
* |
* @return Character read. |
* |
*/ |
wchar_t indev_pop_character(indev_t *indev) |
{ |
if (atomic_get(&haltstate)) { |
/* If we are here, we are hopefully on the processor that |
* issued the 'halt' command, so proceed to read the character |
* directly from input |
*/ |
if (check_poll(indev)) |
return indev->op->poll(indev); |
/* No other way of interacting with user */ |
interrupts_disable(); |
if (CPU) |
printf("cpu%u: ", CPU->id); |
else |
printf("cpu: "); |
printf("halted (no polling input)\n"); |
cpu_halt(); |
} |
waitq_sleep(&indev->wq); |
ipl_t ipl = interrupts_disable(); |
spinlock_lock(&indev->lock); |
wchar_t ch = indev->buffer[(indev->index - indev->counter) % INDEV_BUFLEN]; |
indev->counter--; |
spinlock_unlock(&indev->lock); |
interrupts_restore(ipl); |
return ch; |
} |
/** Initialize output character device. |
* |
* @param outdev Output character device. |
* @param op Implementation of output character device operations. |
* |
*/ |
void outdev_initialize(char *name, outdev_t *outdev, |
outdev_operations_t *op) |
{ |
outdev->name = name; |
spinlock_initialize(&outdev->lock, "outdev"); |
outdev->op = op; |
} |
bool check_poll(indev_t *indev) |
{ |
if (indev == NULL) |
return false; |
if (indev->op == NULL) |
return false; |
return (indev->op->poll != NULL); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/proc/scheduler.c |
---|
0,0 → 1,739 |
/* |
* Copyright (c) 2001-2007 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericproc |
* @{ |
*/ |
/** |
* @file |
* @brief Scheduler and load balancing. |
* |
* This file contains the scheduler and kcpulb kernel thread which |
* performs load-balancing of per-CPU run queues. |
*/ |
#include <proc/scheduler.h> |
#include <proc/thread.h> |
#include <proc/task.h> |
#include <mm/frame.h> |
#include <mm/page.h> |
#include <mm/as.h> |
#include <time/timeout.h> |
#include <time/delay.h> |
#include <arch/asm.h> |
#include <arch/faddr.h> |
#include <arch/cycle.h> |
#include <atomic.h> |
#include <synch/spinlock.h> |
#include <config.h> |
#include <context.h> |
#include <fpu_context.h> |
#include <func.h> |
#include <arch.h> |
#include <adt/list.h> |
#include <panic.h> |
#include <cpu.h> |
#include <print.h> |
#include <debug.h> |
static void before_task_runs(void); |
static void before_thread_runs(void); |
static void after_thread_ran(void); |
static void scheduler_separated_stack(void); |
atomic_t nrdy; /**< Number of ready threads in the system. */ |
/** Carry out actions before new task runs. */ |
void before_task_runs(void) |
{ |
before_task_runs_arch(); |
} |
/** Take actions before new thread runs. |
* |
* Perform actions that need to be |
* taken before the newly selected |
* tread is passed control. |
* |
* THREAD->lock is locked on entry |
* |
*/ |
void before_thread_runs(void) |
{ |
before_thread_runs_arch(); |
#ifdef CONFIG_FPU_LAZY |
if(THREAD == CPU->fpu_owner) |
fpu_enable(); |
else |
fpu_disable(); |
#else |
fpu_enable(); |
if (THREAD->fpu_context_exists) |
fpu_context_restore(THREAD->saved_fpu_context); |
else { |
fpu_init(); |
THREAD->fpu_context_exists = 1; |
} |
#endif |
} |
/** Take actions after THREAD had run. |
* |
* Perform actions that need to be |
* taken after the running thread |
* had been preempted by the scheduler. |
* |
* THREAD->lock is locked on entry |
* |
*/ |
void after_thread_ran(void) |
{ |
after_thread_ran_arch(); |
} |
#ifdef CONFIG_FPU_LAZY |
void scheduler_fpu_lazy_request(void) |
{ |
restart: |
fpu_enable(); |
spinlock_lock(&CPU->lock); |
/* Save old context */ |
if (CPU->fpu_owner != NULL) { |
spinlock_lock(&CPU->fpu_owner->lock); |
fpu_context_save(CPU->fpu_owner->saved_fpu_context); |
/* don't prevent migration */ |
CPU->fpu_owner->fpu_context_engaged = 0; |
spinlock_unlock(&CPU->fpu_owner->lock); |
CPU->fpu_owner = NULL; |
} |
spinlock_lock(&THREAD->lock); |
if (THREAD->fpu_context_exists) { |
fpu_context_restore(THREAD->saved_fpu_context); |
} else { |
/* Allocate FPU context */ |
if (!THREAD->saved_fpu_context) { |
/* Might sleep */ |
spinlock_unlock(&THREAD->lock); |
spinlock_unlock(&CPU->lock); |
THREAD->saved_fpu_context = |
(fpu_context_t *) slab_alloc(fpu_context_slab, 0); |
/* We may have switched CPUs during slab_alloc */ |
goto restart; |
} |
fpu_init(); |
THREAD->fpu_context_exists = 1; |
} |
CPU->fpu_owner = THREAD; |
THREAD->fpu_context_engaged = 1; |
spinlock_unlock(&THREAD->lock); |
spinlock_unlock(&CPU->lock); |
} |
#endif |
/** Initialize scheduler |
* |
* Initialize kernel scheduler. |
* |
*/ |
void scheduler_init(void) |
{ |
} |
/** Get thread to be scheduled |
* |
* Get the optimal thread to be scheduled |
* according to thread accounting and scheduler |
* policy. |
* |
* @return Thread to be scheduled. |
* |
*/ |
static thread_t *find_best_thread(void) |
{ |
thread_t *t; |
runq_t *r; |
int i; |
ASSERT(CPU != NULL); |
loop: |
interrupts_enable(); |
if (atomic_get(&CPU->nrdy) == 0) { |
/* |
* For there was nothing to run, the CPU goes to sleep |
* until a hardware interrupt or an IPI comes. |
* This improves energy saving and hyperthreading. |
*/ |
/* |
* An interrupt might occur right now and wake up a thread. |
* In such case, the CPU will continue to go to sleep |
* even though there is a runnable thread. |
*/ |
cpu_sleep(); |
goto loop; |
} |
interrupts_disable(); |
for (i = 0; i < RQ_COUNT; i++) { |
r = &CPU->rq[i]; |
spinlock_lock(&r->lock); |
if (r->n == 0) { |
/* |
* If this queue is empty, try a lower-priority queue. |
*/ |
spinlock_unlock(&r->lock); |
continue; |
} |
atomic_dec(&CPU->nrdy); |
atomic_dec(&nrdy); |
r->n--; |
/* |
* Take the first thread from the queue. |
*/ |
t = list_get_instance(r->rq_head.next, thread_t, rq_link); |
list_remove(&t->rq_link); |
spinlock_unlock(&r->lock); |
spinlock_lock(&t->lock); |
t->cpu = CPU; |
t->ticks = us2ticks((i + 1) * 10000); |
t->priority = i; /* correct rq index */ |
/* |
* Clear the THREAD_FLAG_STOLEN flag so that t can be migrated |
* when load balancing needs emerge. |
*/ |
t->flags &= ~THREAD_FLAG_STOLEN; |
spinlock_unlock(&t->lock); |
return t; |
} |
goto loop; |
} |
/** Prevent rq starvation |
* |
* Prevent low priority threads from starving in rq's. |
* |
* When the function decides to relink rq's, it reconnects |
* respective pointers so that in result threads with 'pri' |
* greater or equal start are moved to a higher-priority queue. |
* |
* @param start Threshold priority. |
* |
*/ |
static void relink_rq(int start) |
{ |
link_t head; |
runq_t *r; |
int i, n; |
list_initialize(&head); |
spinlock_lock(&CPU->lock); |
if (CPU->needs_relink > NEEDS_RELINK_MAX) { |
for (i = start; i < RQ_COUNT - 1; i++) { |
/* remember and empty rq[i + 1] */ |
r = &CPU->rq[i + 1]; |
spinlock_lock(&r->lock); |
list_concat(&head, &r->rq_head); |
n = r->n; |
r->n = 0; |
spinlock_unlock(&r->lock); |
/* append rq[i + 1] to rq[i] */ |
r = &CPU->rq[i]; |
spinlock_lock(&r->lock); |
list_concat(&r->rq_head, &head); |
r->n += n; |
spinlock_unlock(&r->lock); |
} |
CPU->needs_relink = 0; |
} |
spinlock_unlock(&CPU->lock); |
} |
/** The scheduler |
* |
* The thread scheduling procedure. |
* Passes control directly to |
* scheduler_separated_stack(). |
* |
*/ |
void scheduler(void) |
{ |
volatile ipl_t ipl; |
ASSERT(CPU != NULL); |
ipl = interrupts_disable(); |
if (atomic_get(&haltstate)) |
halt(); |
if (THREAD) { |
spinlock_lock(&THREAD->lock); |
/* Update thread accounting */ |
THREAD->cycles += get_cycle() - THREAD->last_cycle; |
#ifndef CONFIG_FPU_LAZY |
fpu_context_save(THREAD->saved_fpu_context); |
#endif |
if (!context_save(&THREAD->saved_context)) { |
/* |
* This is the place where threads leave scheduler(); |
*/ |
/* Save current CPU cycle */ |
THREAD->last_cycle = get_cycle(); |
spinlock_unlock(&THREAD->lock); |
interrupts_restore(THREAD->saved_context.ipl); |
return; |
} |
/* |
* Interrupt priority level of preempted thread is recorded |
* here to facilitate scheduler() invocations from |
* interrupts_disable()'d code (e.g. waitq_sleep_timeout()). |
*/ |
THREAD->saved_context.ipl = ipl; |
} |
/* |
* Through the 'THE' structure, we keep track of THREAD, TASK, CPU, VM |
* and preemption counter. At this point THE could be coming either |
* from THREAD's or CPU's stack. |
*/ |
the_copy(THE, (the_t *) CPU->stack); |
/* |
* We may not keep the old stack. |
* Reason: If we kept the old stack and got blocked, for instance, in |
* find_best_thread(), the old thread could get rescheduled by another |
* CPU and overwrite the part of its own stack that was also used by |
* the scheduler on this CPU. |
* |
* Moreover, we have to bypass the compiler-generated POP sequence |
* which is fooled by SP being set to the very top of the stack. |
* Therefore the scheduler() function continues in |
* scheduler_separated_stack(). |
*/ |
context_save(&CPU->saved_context); |
context_set(&CPU->saved_context, FADDR(scheduler_separated_stack), |
(uintptr_t) CPU->stack, CPU_STACK_SIZE); |
context_restore(&CPU->saved_context); |
/* not reached */ |
} |
/** Scheduler stack switch wrapper |
* |
* Second part of the scheduler() function |
* using new stack. Handling the actual context |
* switch to a new thread. |
* |
* Assume THREAD->lock is held. |
*/ |
void scheduler_separated_stack(void) |
{ |
int priority; |
DEADLOCK_PROBE_INIT(p_joinwq); |
ASSERT(CPU != NULL); |
if (THREAD) { |
/* must be run after the switch to scheduler stack */ |
after_thread_ran(); |
switch (THREAD->state) { |
case Running: |
spinlock_unlock(&THREAD->lock); |
thread_ready(THREAD); |
break; |
case Exiting: |
repeat: |
if (THREAD->detached) { |
thread_destroy(THREAD); |
} else { |
/* |
* The thread structure is kept allocated until |
* somebody calls thread_detach() on it. |
*/ |
if (!spinlock_trylock(&THREAD->join_wq.lock)) { |
/* |
* Avoid deadlock. |
*/ |
spinlock_unlock(&THREAD->lock); |
delay(HZ); |
spinlock_lock(&THREAD->lock); |
DEADLOCK_PROBE(p_joinwq, |
DEADLOCK_THRESHOLD); |
goto repeat; |
} |
_waitq_wakeup_unsafe(&THREAD->join_wq, |
WAKEUP_FIRST); |
spinlock_unlock(&THREAD->join_wq.lock); |
THREAD->state = Lingering; |
spinlock_unlock(&THREAD->lock); |
} |
break; |
case Sleeping: |
/* |
* Prefer the thread after it's woken up. |
*/ |
THREAD->priority = -1; |
/* |
* We need to release wq->lock which we locked in |
* waitq_sleep(). Address of wq->lock is kept in |
* THREAD->sleep_queue. |
*/ |
spinlock_unlock(&THREAD->sleep_queue->lock); |
/* |
* Check for possible requests for out-of-context |
* invocation. |
*/ |
if (THREAD->call_me) { |
THREAD->call_me(THREAD->call_me_with); |
THREAD->call_me = NULL; |
THREAD->call_me_with = NULL; |
} |
spinlock_unlock(&THREAD->lock); |
break; |
default: |
/* |
* Entering state is unexpected. |
*/ |
panic("tid%" PRIu64 ": unexpected state %s.", |
THREAD->tid, thread_states[THREAD->state]); |
break; |
} |
THREAD = NULL; |
} |
THREAD = find_best_thread(); |
spinlock_lock(&THREAD->lock); |
priority = THREAD->priority; |
spinlock_unlock(&THREAD->lock); |
relink_rq(priority); |
/* |
* If both the old and the new task are the same, lots of work is |
* avoided. |
*/ |
if (TASK != THREAD->task) { |
as_t *as1 = NULL; |
as_t *as2; |
if (TASK) { |
spinlock_lock(&TASK->lock); |
as1 = TASK->as; |
spinlock_unlock(&TASK->lock); |
} |
spinlock_lock(&THREAD->task->lock); |
as2 = THREAD->task->as; |
spinlock_unlock(&THREAD->task->lock); |
/* |
* Note that it is possible for two tasks to share one address |
* space. |
*/ |
if (as1 != as2) { |
/* |
* Both tasks and address spaces are different. |
* Replace the old one with the new one. |
*/ |
as_switch(as1, as2); |
} |
TASK = THREAD->task; |
before_task_runs(); |
} |
spinlock_lock(&THREAD->lock); |
THREAD->state = Running; |
#ifdef SCHEDULER_VERBOSE |
printf("cpu%u: tid %" PRIu64 " (priority=%d, ticks=%" PRIu64 |
", nrdy=%ld)\n", CPU->id, THREAD->tid, THREAD->priority, |
THREAD->ticks, atomic_get(&CPU->nrdy)); |
#endif |
/* |
* Some architectures provide late kernel PA2KA(identity) |
* mapping in a page fault handler. However, the page fault |
* handler uses the kernel stack of the running thread and |
* therefore cannot be used to map it. The kernel stack, if |
* necessary, is to be mapped in before_thread_runs(). This |
* function must be executed before the switch to the new stack. |
*/ |
before_thread_runs(); |
/* |
* Copy the knowledge of CPU, TASK, THREAD and preemption counter to |
* thread's stack. |
*/ |
the_copy(THE, (the_t *) THREAD->kstack); |
context_restore(&THREAD->saved_context); |
/* not reached */ |
} |
#ifdef CONFIG_SMP |
/** Load balancing thread |
* |
* SMP load balancing thread, supervising thread supplies |
* for the CPU it's wired to. |
* |
* @param arg Generic thread argument (unused). |
* |
*/ |
void kcpulb(void *arg) |
{ |
thread_t *t; |
int count, average, j, k = 0; |
unsigned int i; |
ipl_t ipl; |
/* |
* Detach kcpulb as nobody will call thread_join_timeout() on it. |
*/ |
thread_detach(THREAD); |
loop: |
/* |
* Work in 1s intervals. |
*/ |
thread_sleep(1); |
not_satisfied: |
/* |
* Calculate the number of threads that will be migrated/stolen from |
* other CPU's. Note that situation can have changed between two |
* passes. Each time get the most up to date counts. |
*/ |
average = atomic_get(&nrdy) / config.cpu_active + 1; |
count = average - atomic_get(&CPU->nrdy); |
if (count <= 0) |
goto satisfied; |
/* |
* Searching least priority queues on all CPU's first and most priority |
* queues on all CPU's last. |
*/ |
for (j = RQ_COUNT - 1; j >= 0; j--) { |
for (i = 0; i < config.cpu_active; i++) { |
link_t *l; |
runq_t *r; |
cpu_t *cpu; |
cpu = &cpus[(i + k) % config.cpu_active]; |
/* |
* Not interested in ourselves. |
* Doesn't require interrupt disabling for kcpulb has |
* THREAD_FLAG_WIRED. |
*/ |
if (CPU == cpu) |
continue; |
if (atomic_get(&cpu->nrdy) <= average) |
continue; |
ipl = interrupts_disable(); |
r = &cpu->rq[j]; |
spinlock_lock(&r->lock); |
if (r->n == 0) { |
spinlock_unlock(&r->lock); |
interrupts_restore(ipl); |
continue; |
} |
t = NULL; |
l = r->rq_head.prev; /* search rq from the back */ |
while (l != &r->rq_head) { |
t = list_get_instance(l, thread_t, rq_link); |
/* |
* We don't want to steal CPU-wired threads |
* neither threads already stolen. The latter |
* prevents threads from migrating between CPU's |
* without ever being run. We don't want to |
* steal threads whose FPU context is still in |
* CPU. |
*/ |
spinlock_lock(&t->lock); |
if ((!(t->flags & (THREAD_FLAG_WIRED | |
THREAD_FLAG_STOLEN))) && |
(!(t->fpu_context_engaged))) { |
/* |
* Remove t from r. |
*/ |
spinlock_unlock(&t->lock); |
atomic_dec(&cpu->nrdy); |
atomic_dec(&nrdy); |
r->n--; |
list_remove(&t->rq_link); |
break; |
} |
spinlock_unlock(&t->lock); |
l = l->prev; |
t = NULL; |
} |
spinlock_unlock(&r->lock); |
if (t) { |
/* |
* Ready t on local CPU |
*/ |
spinlock_lock(&t->lock); |
#ifdef KCPULB_VERBOSE |
printf("kcpulb%u: TID %" PRIu64 " -> cpu%u, " |
"nrdy=%ld, avg=%ld\n", CPU->id, t->tid, |
CPU->id, atomic_get(&CPU->nrdy), |
atomic_get(&nrdy) / config.cpu_active); |
#endif |
t->flags |= THREAD_FLAG_STOLEN; |
t->state = Entering; |
spinlock_unlock(&t->lock); |
thread_ready(t); |
interrupts_restore(ipl); |
if (--count == 0) |
goto satisfied; |
/* |
* We are not satisfied yet, focus on another |
* CPU next time. |
*/ |
k++; |
continue; |
} |
interrupts_restore(ipl); |
} |
} |
if (atomic_get(&CPU->nrdy)) { |
/* |
* Be a little bit light-weight and let migrated threads run. |
*/ |
scheduler(); |
} else { |
/* |
* We failed to migrate a single thread. |
* Give up this turn. |
*/ |
goto loop; |
} |
goto not_satisfied; |
satisfied: |
goto loop; |
} |
#endif /* CONFIG_SMP */ |
/** Print information about threads & scheduler queues */ |
void sched_print_list(void) |
{ |
ipl_t ipl; |
unsigned int cpu, i; |
runq_t *r; |
thread_t *t; |
link_t *cur; |
/* We are going to mess with scheduler structures, |
* let's not be interrupted */ |
ipl = interrupts_disable(); |
for (cpu = 0; cpu < config.cpu_count; cpu++) { |
if (!cpus[cpu].active) |
continue; |
spinlock_lock(&cpus[cpu].lock); |
printf("cpu%u: address=%p, nrdy=%ld, needs_relink=%" PRIs "\n", |
cpus[cpu].id, &cpus[cpu], atomic_get(&cpus[cpu].nrdy), |
cpus[cpu].needs_relink); |
for (i = 0; i < RQ_COUNT; i++) { |
r = &cpus[cpu].rq[i]; |
spinlock_lock(&r->lock); |
if (!r->n) { |
spinlock_unlock(&r->lock); |
continue; |
} |
printf("\trq[%u]: ", i); |
for (cur = r->rq_head.next; cur != &r->rq_head; |
cur = cur->next) { |
t = list_get_instance(cur, thread_t, rq_link); |
printf("%" PRIu64 "(%s) ", t->tid, |
thread_states[t->state]); |
} |
printf("\n"); |
spinlock_unlock(&r->lock); |
} |
spinlock_unlock(&cpus[cpu].lock); |
} |
interrupts_restore(ipl); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/proc/task.c |
---|
0,0 → 1,467 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericproc |
* @{ |
*/ |
/** |
* @file |
* @brief Task management. |
*/ |
#include <proc/thread.h> |
#include <proc/task.h> |
#include <mm/as.h> |
#include <mm/slab.h> |
#include <atomic.h> |
#include <synch/spinlock.h> |
#include <synch/waitq.h> |
#include <arch.h> |
#include <arch/barrier.h> |
#include <adt/avl.h> |
#include <adt/btree.h> |
#include <adt/list.h> |
#include <ipc/ipc.h> |
#include <ipc/ipcrsc.h> |
#include <print.h> |
#include <errno.h> |
#include <func.h> |
#include <string.h> |
#include <syscall/copy.h> |
#include <macros.h> |
#include <ipc/event.h> |
/** Spinlock protecting the tasks_tree AVL tree. */ |
SPINLOCK_INITIALIZE(tasks_lock); |
/** AVL tree of active tasks. |
* |
* The task is guaranteed to exist after it was found in the tasks_tree as |
* long as: |
* @li the tasks_lock is held, |
* @li the task's lock is held when task's lock is acquired before releasing |
* tasks_lock or |
* @li the task's refcount is greater than 0 |
* |
*/ |
avltree_t tasks_tree; |
static task_id_t task_counter = 0; |
/** Initialize kernel tasks support. */ |
void task_init(void) |
{ |
TASK = NULL; |
avltree_create(&tasks_tree); |
} |
/* |
* The idea behind this walker is to remember a single task different from |
* TASK. |
*/ |
static bool task_done_walker(avltree_node_t *node, void *arg) |
{ |
task_t *t = avltree_get_instance(node, task_t, tasks_tree_node); |
task_t **tp = (task_t **) arg; |
if (t != TASK) { |
*tp = t; |
return false; /* stop walking */ |
} |
return true; /* continue the walk */ |
} |
/** Kill all tasks except the current task. */ |
void task_done(void) |
{ |
task_t *t; |
do { /* Repeat until there are any tasks except TASK */ |
/* Messing with task structures, avoid deadlock */ |
ipl_t ipl = interrupts_disable(); |
spinlock_lock(&tasks_lock); |
t = NULL; |
avltree_walk(&tasks_tree, task_done_walker, &t); |
if (t != NULL) { |
task_id_t id = t->taskid; |
spinlock_unlock(&tasks_lock); |
interrupts_restore(ipl); |
#ifdef CONFIG_DEBUG |
printf("Killing task %" PRIu64 "\n", id); |
#endif |
task_kill(id); |
thread_usleep(10000); |
} else { |
spinlock_unlock(&tasks_lock); |
interrupts_restore(ipl); |
} |
} while (t != NULL); |
} |
/** Create new task with no threads. |
* |
* @param as Task's address space. |
* @param name Symbolic name (a copy is made). |
* |
* @return New task's structure. |
* |
*/ |
task_t *task_create(as_t *as, char *name) |
{ |
ipl_t ipl; |
task_t *ta; |
int i; |
ta = (task_t *) malloc(sizeof(task_t), 0); |
task_create_arch(ta); |
spinlock_initialize(&ta->lock, "task_ta_lock"); |
list_initialize(&ta->th_head); |
ta->as = as; |
memcpy(ta->name, name, TASK_NAME_BUFLEN); |
ta->name[TASK_NAME_BUFLEN - 1] = 0; |
atomic_set(&ta->refcount, 0); |
atomic_set(&ta->lifecount, 0); |
ta->context = CONTEXT; |
ta->capabilities = 0; |
ta->cycles = 0; |
#ifdef CONFIG_UDEBUG |
/* Init debugging stuff */ |
udebug_task_init(&ta->udebug); |
/* Init kbox stuff */ |
ipc_answerbox_init(&ta->kb.box, ta); |
ta->kb.thread = NULL; |
mutex_initialize(&ta->kb.cleanup_lock, MUTEX_PASSIVE); |
ta->kb.finished = false; |
#endif |
ipc_answerbox_init(&ta->answerbox, ta); |
for (i = 0; i < IPC_MAX_PHONES; i++) |
ipc_phone_init(&ta->phones[i]); |
if ((ipc_phone_0) && (context_check(ipc_phone_0->task->context, |
ta->context))) |
ipc_phone_connect(&ta->phones[0], ipc_phone_0); |
atomic_set(&ta->active_calls, 0); |
mutex_initialize(&ta->futexes_lock, MUTEX_PASSIVE); |
btree_create(&ta->futexes); |
ipl = interrupts_disable(); |
/* |
* Increment address space reference count. |
*/ |
atomic_inc(&as->refcount); |
spinlock_lock(&tasks_lock); |
ta->taskid = ++task_counter; |
avltree_node_initialize(&ta->tasks_tree_node); |
ta->tasks_tree_node.key = ta->taskid; |
avltree_insert(&tasks_tree, &ta->tasks_tree_node); |
spinlock_unlock(&tasks_lock); |
interrupts_restore(ipl); |
/* |
* Notify about task creation. |
*/ |
if (event_is_subscribed(EVENT_WAIT)) |
event_notify_3(EVENT_WAIT, TASK_CREATE, LOWER32(ta->taskid), |
UPPER32(ta->taskid)); |
return ta; |
} |
/** Destroy task. |
* |
* @param t Task to be destroyed. |
*/ |
void task_destroy(task_t *t) |
{ |
/* |
* Remove the task from the task B+tree. |
*/ |
spinlock_lock(&tasks_lock); |
avltree_delete(&tasks_tree, &t->tasks_tree_node); |
spinlock_unlock(&tasks_lock); |
/* |
* Perform architecture specific task destruction. |
*/ |
task_destroy_arch(t); |
/* |
* Free up dynamically allocated state. |
*/ |
btree_destroy(&t->futexes); |
/* |
* Drop our reference to the address space. |
*/ |
if (atomic_predec(&t->as->refcount) == 0) |
as_destroy(t->as); |
/* |
* Notify about task destruction. |
*/ |
if (event_is_subscribed(EVENT_WAIT)) |
event_notify_3(EVENT_WAIT, TASK_DESTROY, LOWER32(t->taskid), |
UPPER32(t->taskid)); |
free(t); |
TASK = NULL; |
} |
/** Syscall for reading task ID from userspace. |
* |
* @param uspace_task_id userspace address of 8-byte buffer |
* where to store current task ID. |
* |
* @return Zero on success or an error code from @ref errno.h. |
*/ |
unative_t sys_task_get_id(task_id_t *uspace_task_id) |
{ |
/* |
* No need to acquire lock on TASK because taskid remains constant for |
* the lifespan of the task. |
*/ |
return (unative_t) copy_to_uspace(uspace_task_id, &TASK->taskid, |
sizeof(TASK->taskid)); |
} |
/** Syscall for setting the task name. |
* |
* The name simplifies identifying the task in the task list. |
* |
* @param name The new name for the task. (typically the same |
* as the command used to execute it). |
* |
* @return 0 on success or an error code from @ref errno.h. |
*/ |
unative_t sys_task_set_name(const char *uspace_name, size_t name_len) |
{ |
int rc; |
char namebuf[TASK_NAME_BUFLEN]; |
/* Cap length of name and copy it from userspace. */ |
if (name_len > TASK_NAME_BUFLEN - 1) |
name_len = TASK_NAME_BUFLEN - 1; |
rc = copy_from_uspace(namebuf, uspace_name, name_len); |
if (rc != 0) |
return (unative_t) rc; |
namebuf[name_len] = '\0'; |
str_cpy(TASK->name, TASK_NAME_BUFLEN, namebuf); |
return EOK; |
} |
/** Find task structure corresponding to task ID. |
* |
* The tasks_lock must be already held by the caller of this function and |
* interrupts must be disabled. |
* |
* @param id Task ID. |
* |
* @return Task structure address or NULL if there is no such task |
* ID. |
*/ |
task_t *task_find_by_id(task_id_t id) { avltree_node_t *node; |
node = avltree_search(&tasks_tree, (avltree_key_t) id); |
if (node) |
return avltree_get_instance(node, task_t, tasks_tree_node); |
return NULL; |
} |
/** Get accounting data of given task. |
* |
* Note that task lock of 't' must be already held and interrupts must be |
* already disabled. |
* |
* @param t Pointer to thread. |
* |
* @return Number of cycles used by the task and all its threads |
* so far. |
*/ |
uint64_t task_get_accounting(task_t *t) |
{ |
/* Accumulated value of task */ |
uint64_t ret = t->cycles; |
/* Current values of threads */ |
link_t *cur; |
for (cur = t->th_head.next; cur != &t->th_head; cur = cur->next) { |
thread_t *thr = list_get_instance(cur, thread_t, th_link); |
spinlock_lock(&thr->lock); |
/* Process only counted threads */ |
if (!thr->uncounted) { |
if (thr == THREAD) { |
/* Update accounting of current thread */ |
thread_update_accounting(); |
} |
ret += thr->cycles; |
} |
spinlock_unlock(&thr->lock); |
} |
return ret; |
} |
/** Kill task. |
* |
* This function is idempotent. |
* It signals all the task's threads to bail it out. |
* |
* @param id ID of the task to be killed. |
* |
* @return Zero on success or an error code from errno.h. |
*/ |
int task_kill(task_id_t id) |
{ |
ipl_t ipl; |
task_t *ta; |
link_t *cur; |
if (id == 1) |
return EPERM; |
ipl = interrupts_disable(); |
spinlock_lock(&tasks_lock); |
if (!(ta = task_find_by_id(id))) { |
spinlock_unlock(&tasks_lock); |
interrupts_restore(ipl); |
return ENOENT; |
} |
spinlock_unlock(&tasks_lock); |
/* |
* Interrupt all threads. |
*/ |
spinlock_lock(&ta->lock); |
for (cur = ta->th_head.next; cur != &ta->th_head; cur = cur->next) { |
thread_t *thr; |
bool sleeping = false; |
thr = list_get_instance(cur, thread_t, th_link); |
spinlock_lock(&thr->lock); |
thr->interrupted = true; |
if (thr->state == Sleeping) |
sleeping = true; |
spinlock_unlock(&thr->lock); |
if (sleeping) |
waitq_interrupt_sleep(thr); |
} |
spinlock_unlock(&ta->lock); |
interrupts_restore(ipl); |
return 0; |
} |
static bool task_print_walker(avltree_node_t *node, void *arg) |
{ |
task_t *t = avltree_get_instance(node, task_t, tasks_tree_node); |
int j; |
spinlock_lock(&t->lock); |
uint64_t cycles; |
char suffix; |
order(task_get_accounting(t), &cycles, &suffix); |
#ifdef __32_BITS__ |
printf("%-6" PRIu64 " %-12s %-3" PRIu32 " %10p %10p %9" PRIu64 |
"%c %7ld %6ld", t->taskid, t->name, t->context, t, t->as, cycles, |
suffix, atomic_get(&t->refcount), atomic_get(&t->active_calls)); |
#endif |
#ifdef __64_BITS__ |
printf("%-6" PRIu64 " %-12s %-3" PRIu32 " %18p %18p %9" PRIu64 |
"%c %7ld %6ld", t->taskid, t->name, t->context, t, t->as, cycles, |
suffix, atomic_get(&t->refcount), atomic_get(&t->active_calls)); |
#endif |
for (j = 0; j < IPC_MAX_PHONES; j++) { |
if (t->phones[j].callee) |
printf(" %d:%p", j, t->phones[j].callee); |
} |
printf("\n"); |
spinlock_unlock(&t->lock); |
return true; |
} |
/** Print task list */ |
void task_print_list(void) |
{ |
ipl_t ipl; |
/* Messing with task structures, avoid deadlock */ |
ipl = interrupts_disable(); |
spinlock_lock(&tasks_lock); |
#ifdef __32_BITS__ |
printf("taskid name ctx address as " |
"cycles threads calls callee\n"); |
printf("------ ------------ --- ---------- ---------- " |
"---------- ------- ------ ------>\n"); |
#endif |
#ifdef __64_BITS__ |
printf("taskid name ctx address as " |
"cycles threads calls callee\n"); |
printf("------ ------------ --- ------------------ ------------------ " |
"---------- ------- ------ ------>\n"); |
#endif |
avltree_walk(&tasks_tree, task_print_walker, NULL); |
spinlock_unlock(&tasks_lock); |
interrupts_restore(ipl); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/proc/program.c |
---|
0,0 → 1,233 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* Copyright (c) 2008 Jiri Svoboda |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericproc |
* @{ |
*/ |
/** |
* @file |
* @brief Running userspace programs. |
*/ |
#include <main/uinit.h> |
#include <proc/thread.h> |
#include <proc/task.h> |
#include <proc/uarg.h> |
#include <mm/as.h> |
#include <mm/slab.h> |
#include <arch.h> |
#include <adt/list.h> |
#include <ipc/ipc.h> |
#include <ipc/ipcrsc.h> |
#include <security/cap.h> |
#include <lib/elf.h> |
#include <errno.h> |
#include <print.h> |
#include <syscall/copy.h> |
#include <proc/program.h> |
#ifndef LOADED_PROG_STACK_PAGES_NO |
#define LOADED_PROG_STACK_PAGES_NO 1 |
#endif |
/** |
* Points to the binary image used as the program loader. All non-initial |
* tasks are created from this executable image. |
*/ |
void *program_loader = NULL; |
/** Create a program using an existing address space. |
* |
* @param as Address space containing a binary program image. |
* @param entry_addr Program entry-point address in program address space. |
* @param name Name to set for the program's task. |
* @param p Buffer for storing program information. |
*/ |
void program_create(as_t *as, uintptr_t entry_addr, char *name, program_t *p) |
{ |
as_area_t *a; |
uspace_arg_t *kernel_uarg; |
kernel_uarg = (uspace_arg_t *) malloc(sizeof(uspace_arg_t), 0); |
kernel_uarg->uspace_entry = (void *) entry_addr; |
kernel_uarg->uspace_stack = (void *) USTACK_ADDRESS; |
kernel_uarg->uspace_thread_function = NULL; |
kernel_uarg->uspace_thread_arg = NULL; |
kernel_uarg->uspace_uarg = NULL; |
p->task = task_create(as, name); |
ASSERT(p->task); |
/* |
* Create the data as_area. |
*/ |
a = as_area_create(as, AS_AREA_READ | AS_AREA_WRITE | AS_AREA_CACHEABLE, |
LOADED_PROG_STACK_PAGES_NO * PAGE_SIZE, USTACK_ADDRESS, |
AS_AREA_ATTR_NONE, &anon_backend, NULL); |
/* |
* Create the main thread. |
*/ |
p->main_thread = thread_create(uinit, kernel_uarg, p->task, |
THREAD_FLAG_USPACE, "uinit", false); |
ASSERT(p->main_thread); |
} |
/** Parse an executable image in the kernel memory. |
* |
* If the image belongs to a program loader, it is registered as such, |
* (and *task is set to NULL). Otherwise a task is created from the |
* executable image. The task is returned in *task. |
* |
* @param image_addr Address of an executable program image. |
* @param name Name to set for the program's task. |
* @param p Buffer for storing program info. If image_addr |
* points to a loader image, p->task will be set to |
* NULL and EOK will be returned. |
* |
* @return EOK on success or negative error code. |
*/ |
int program_create_from_image(void *image_addr, char *name, program_t *p) |
{ |
as_t *as; |
unsigned int rc; |
as = as_create(0); |
ASSERT(as); |
rc = elf_load((elf_header_t *) image_addr, as, 0); |
if (rc != EE_OK) { |
as_destroy(as); |
p->task = NULL; |
p->main_thread = NULL; |
if (rc != EE_LOADER) |
return ENOTSUP; |
/* Register image as the program loader */ |
ASSERT(program_loader == NULL); |
program_loader = image_addr; |
LOG("Registered program loader at 0x%" PRIp "\n", |
image_addr); |
return EOK; |
} |
program_create(as, ((elf_header_t *) image_addr)->e_entry, name, p); |
return EOK; |
} |
/** Create a task from the program loader image. |
* |
* @param p Buffer for storing program info. |
* @param name Name to set for the program's task. |
* |
* @return EOK on success or negative error code. |
*/ |
int program_create_loader(program_t *p, char *name) |
{ |
as_t *as; |
unsigned int rc; |
void *loader; |
as = as_create(0); |
ASSERT(as); |
loader = program_loader; |
if (!loader) { |
printf("Cannot spawn loader as none was registered\n"); |
return ENOENT; |
} |
rc = elf_load((elf_header_t *) program_loader, as, ELD_F_LOADER); |
if (rc != EE_OK) { |
as_destroy(as); |
return ENOENT; |
} |
program_create(as, ((elf_header_t *) program_loader)->e_entry, |
name, p); |
return EOK; |
} |
/** Make program ready. |
* |
* Switch program's main thread to the ready state. |
* |
* @param p Program to make ready. |
*/ |
void program_ready(program_t *p) |
{ |
thread_ready(p->main_thread); |
} |
/** Syscall for creating a new loader instance from userspace. |
* |
* Creates a new task from the program loader image and sets |
* the task name. |
* |
* @param name Name to set on the new task (typically the same |
* as the command used to execute it). |
* |
* @return 0 on success or an error code from @ref errno.h. |
*/ |
unative_t sys_program_spawn_loader(char *uspace_name, size_t name_len) |
{ |
program_t p; |
int rc; |
char namebuf[TASK_NAME_BUFLEN]; |
/* Cap length of name and copy it from userspace. */ |
if (name_len > TASK_NAME_BUFLEN - 1) |
name_len = TASK_NAME_BUFLEN - 1; |
rc = copy_from_uspace(namebuf, uspace_name, name_len); |
if (rc != 0) |
return (unative_t) rc; |
namebuf[name_len] = 0; |
/* Spawn the new task. */ |
rc = program_create_loader(&p, namebuf); |
if (rc != 0) |
return rc; |
// FIXME: control the capabilities |
cap_set(p.task, cap_get(TASK)); |
program_ready(&p); |
return EOK; |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/proc/thread.c |
---|
0,0 → 1,815 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericproc |
* @{ |
*/ |
/** |
* @file |
* @brief Thread management functions. |
*/ |
#include <proc/scheduler.h> |
#include <proc/thread.h> |
#include <proc/task.h> |
#include <proc/uarg.h> |
#include <mm/frame.h> |
#include <mm/page.h> |
#include <arch/asm.h> |
#include <arch/cycle.h> |
#include <arch.h> |
#include <synch/synch.h> |
#include <synch/spinlock.h> |
#include <synch/waitq.h> |
#include <synch/rwlock.h> |
#include <cpu.h> |
#include <func.h> |
#include <context.h> |
#include <adt/avl.h> |
#include <adt/list.h> |
#include <time/clock.h> |
#include <time/timeout.h> |
#include <config.h> |
#include <arch/interrupt.h> |
#include <smp/ipi.h> |
#include <arch/faddr.h> |
#include <atomic.h> |
#include <memstr.h> |
#include <print.h> |
#include <mm/slab.h> |
#include <debug.h> |
#include <main/uinit.h> |
#include <syscall/copy.h> |
#include <errno.h> |
#ifndef LOADED_PROG_STACK_PAGES_NO |
#define LOADED_PROG_STACK_PAGES_NO 1 |
#endif |
/** Thread states */ |
char *thread_states[] = { |
"Invalid", |
"Running", |
"Sleeping", |
"Ready", |
"Entering", |
"Exiting", |
"Lingering" |
}; |
/** Lock protecting the threads_tree AVL tree. |
* |
* For locking rules, see declaration thereof. |
*/ |
SPINLOCK_INITIALIZE(threads_lock); |
/** AVL tree of all threads. |
* |
* When a thread is found in the threads_tree AVL tree, it is guaranteed to |
* exist as long as the threads_lock is held. |
*/ |
avltree_t threads_tree; |
SPINLOCK_INITIALIZE(tidlock); |
thread_id_t last_tid = 0; |
static slab_cache_t *thread_slab; |
#ifdef CONFIG_FPU |
slab_cache_t *fpu_context_slab; |
#endif |
/** Thread wrapper. |
* |
* This wrapper is provided to ensure that every thread makes a call to |
* thread_exit() when its implementing function returns. |
* |
* interrupts_disable() is assumed. |
* |
*/ |
static void cushion(void) |
{ |
void (*f)(void *) = THREAD->thread_code; |
void *arg = THREAD->thread_arg; |
THREAD->last_cycle = get_cycle(); |
/* This is where each thread wakes up after its creation */ |
spinlock_unlock(&THREAD->lock); |
interrupts_enable(); |
f(arg); |
/* Accumulate accounting to the task */ |
ipl_t ipl = interrupts_disable(); |
spinlock_lock(&THREAD->lock); |
if (!THREAD->uncounted) { |
thread_update_accounting(); |
uint64_t cycles = THREAD->cycles; |
THREAD->cycles = 0; |
spinlock_unlock(&THREAD->lock); |
spinlock_lock(&TASK->lock); |
TASK->cycles += cycles; |
spinlock_unlock(&TASK->lock); |
} else |
spinlock_unlock(&THREAD->lock); |
interrupts_restore(ipl); |
thread_exit(); |
/* not reached */ |
} |
/** Initialization and allocation for thread_t structure */ |
static int thr_constructor(void *obj, int kmflags) |
{ |
thread_t *t = (thread_t *) obj; |
spinlock_initialize(&t->lock, "thread_t_lock"); |
link_initialize(&t->rq_link); |
link_initialize(&t->wq_link); |
link_initialize(&t->th_link); |
/* call the architecture-specific part of the constructor */ |
thr_constructor_arch(t); |
#ifdef CONFIG_FPU |
#ifdef CONFIG_FPU_LAZY |
t->saved_fpu_context = NULL; |
#else |
t->saved_fpu_context = slab_alloc(fpu_context_slab, kmflags); |
if (!t->saved_fpu_context) |
return -1; |
#endif |
#endif |
t->kstack = (uint8_t *) frame_alloc(STACK_FRAMES, FRAME_KA | kmflags); |
if (!t->kstack) { |
#ifdef CONFIG_FPU |
if (t->saved_fpu_context) |
slab_free(fpu_context_slab, t->saved_fpu_context); |
#endif |
return -1; |
} |
#ifdef CONFIG_UDEBUG |
mutex_initialize(&t->udebug.lock, MUTEX_PASSIVE); |
#endif |
return 0; |
} |
/** Destruction of thread_t object */ |
static int thr_destructor(void *obj) |
{ |
thread_t *t = (thread_t *) obj; |
/* call the architecture-specific part of the destructor */ |
thr_destructor_arch(t); |
frame_free(KA2PA(t->kstack)); |
#ifdef CONFIG_FPU |
if (t->saved_fpu_context) |
slab_free(fpu_context_slab, t->saved_fpu_context); |
#endif |
return 1; /* One page freed */ |
} |
/** Initialize threads |
* |
* Initialize kernel threads support. |
* |
*/ |
void thread_init(void) |
{ |
THREAD = NULL; |
atomic_set(&nrdy, 0); |
thread_slab = slab_cache_create("thread_slab", sizeof(thread_t), 0, |
thr_constructor, thr_destructor, 0); |
#ifdef CONFIG_FPU |
fpu_context_slab = slab_cache_create("fpu_slab", sizeof(fpu_context_t), |
FPU_CONTEXT_ALIGN, NULL, NULL, 0); |
#endif |
avltree_create(&threads_tree); |
} |
/** Make thread ready |
* |
* Switch thread t to the ready state. |
* |
* @param t Thread to make ready. |
* |
*/ |
void thread_ready(thread_t *t) |
{ |
cpu_t *cpu; |
runq_t *r; |
ipl_t ipl; |
int i, avg; |
ipl = interrupts_disable(); |
spinlock_lock(&t->lock); |
ASSERT(!(t->state == Ready)); |
i = (t->priority < RQ_COUNT - 1) ? ++t->priority : t->priority; |
cpu = CPU; |
if (t->flags & THREAD_FLAG_WIRED) { |
ASSERT(t->cpu != NULL); |
cpu = t->cpu; |
} |
t->state = Ready; |
spinlock_unlock(&t->lock); |
/* |
* Append t to respective ready queue on respective processor. |
*/ |
r = &cpu->rq[i]; |
spinlock_lock(&r->lock); |
list_append(&t->rq_link, &r->rq_head); |
r->n++; |
spinlock_unlock(&r->lock); |
atomic_inc(&nrdy); |
avg = atomic_get(&nrdy) / config.cpu_active; |
atomic_inc(&cpu->nrdy); |
interrupts_restore(ipl); |
} |
/** Create new thread |
* |
* Create a new thread. |
* |
* @param func Thread's implementing function. |
* @param arg Thread's implementing function argument. |
* @param task Task to which the thread belongs. The caller must |
* guarantee that the task won't cease to exist during the |
* call. The task's lock may not be held. |
* @param flags Thread flags. |
* @param name Symbolic name (a copy is made). |
* @param uncounted Thread's accounting doesn't affect accumulated task |
* accounting. |
* |
* @return New thread's structure on success, NULL on failure. |
* |
*/ |
thread_t *thread_create(void (* func)(void *), void *arg, task_t *task, |
int flags, char *name, bool uncounted) |
{ |
thread_t *t; |
ipl_t ipl; |
t = (thread_t *) slab_alloc(thread_slab, 0); |
if (!t) |
return NULL; |
/* Not needed, but good for debugging */ |
memsetb(t->kstack, THREAD_STACK_SIZE * 1 << STACK_FRAMES, 0); |
ipl = interrupts_disable(); |
spinlock_lock(&tidlock); |
t->tid = ++last_tid; |
spinlock_unlock(&tidlock); |
interrupts_restore(ipl); |
context_save(&t->saved_context); |
context_set(&t->saved_context, FADDR(cushion), (uintptr_t) t->kstack, |
THREAD_STACK_SIZE); |
the_initialize((the_t *) t->kstack); |
ipl = interrupts_disable(); |
t->saved_context.ipl = interrupts_read(); |
interrupts_restore(ipl); |
memcpy(t->name, name, THREAD_NAME_BUFLEN); |
t->name[THREAD_NAME_BUFLEN - 1] = 0; |
t->thread_code = func; |
t->thread_arg = arg; |
t->ticks = -1; |
t->cycles = 0; |
t->uncounted = uncounted; |
t->priority = -1; /* start in rq[0] */ |
t->cpu = NULL; |
t->flags = flags; |
t->state = Entering; |
t->call_me = NULL; |
t->call_me_with = NULL; |
timeout_initialize(&t->sleep_timeout); |
t->sleep_interruptible = false; |
t->sleep_queue = NULL; |
t->timeout_pending = 0; |
t->in_copy_from_uspace = false; |
t->in_copy_to_uspace = false; |
t->interrupted = false; |
t->detached = false; |
waitq_initialize(&t->join_wq); |
t->rwlock_holder_type = RWLOCK_NONE; |
t->task = task; |
t->fpu_context_exists = 0; |
t->fpu_context_engaged = 0; |
avltree_node_initialize(&t->threads_tree_node); |
t->threads_tree_node.key = (uintptr_t) t; |
#ifdef CONFIG_UDEBUG |
/* Init debugging stuff */ |
udebug_thread_initialize(&t->udebug); |
#endif |
/* might depend on previous initialization */ |
thread_create_arch(t); |
if (!(flags & THREAD_FLAG_NOATTACH)) |
thread_attach(t, task); |
return t; |
} |
/** Destroy thread memory structure |
* |
* Detach thread from all queues, cpus etc. and destroy it. |
* |
* Assume thread->lock is held!! |
*/ |
void thread_destroy(thread_t *t) |
{ |
ASSERT(t->state == Exiting || t->state == Lingering); |
ASSERT(t->task); |
ASSERT(t->cpu); |
spinlock_lock(&t->cpu->lock); |
if (t->cpu->fpu_owner == t) |
t->cpu->fpu_owner = NULL; |
spinlock_unlock(&t->cpu->lock); |
spinlock_unlock(&t->lock); |
spinlock_lock(&threads_lock); |
avltree_delete(&threads_tree, &t->threads_tree_node); |
spinlock_unlock(&threads_lock); |
/* |
* Detach from the containing task. |
*/ |
spinlock_lock(&t->task->lock); |
list_remove(&t->th_link); |
spinlock_unlock(&t->task->lock); |
/* |
* t is guaranteed to be the very last thread of its task. |
* It is safe to destroy the task. |
*/ |
if (atomic_predec(&t->task->refcount) == 0) |
task_destroy(t->task); |
slab_free(thread_slab, t); |
} |
/** Make the thread visible to the system. |
* |
* Attach the thread structure to the current task and make it visible in the |
* threads_tree. |
* |
* @param t Thread to be attached to the task. |
* @param task Task to which the thread is to be attached. |
*/ |
void thread_attach(thread_t *t, task_t *task) |
{ |
ipl_t ipl; |
/* |
* Attach to the specified task. |
*/ |
ipl = interrupts_disable(); |
spinlock_lock(&task->lock); |
atomic_inc(&task->refcount); |
/* Must not count kbox thread into lifecount */ |
if (t->flags & THREAD_FLAG_USPACE) |
atomic_inc(&task->lifecount); |
list_append(&t->th_link, &task->th_head); |
spinlock_unlock(&task->lock); |
/* |
* Register this thread in the system-wide list. |
*/ |
spinlock_lock(&threads_lock); |
avltree_insert(&threads_tree, &t->threads_tree_node); |
spinlock_unlock(&threads_lock); |
interrupts_restore(ipl); |
} |
/** Terminate thread. |
* |
* End current thread execution and switch it to the exiting state. All pending |
* timeouts are executed. |
*/ |
void thread_exit(void) |
{ |
ipl_t ipl; |
if (THREAD->flags & THREAD_FLAG_USPACE) { |
#ifdef CONFIG_UDEBUG |
/* Generate udebug THREAD_E event */ |
udebug_thread_e_event(); |
#endif |
if (atomic_predec(&TASK->lifecount) == 0) { |
/* |
* We are the last userspace thread in the task that |
* still has not exited. With the exception of the |
* moment the task was created, new userspace threads |
* can only be created by threads of the same task. |
* We are safe to perform cleanup. |
*/ |
ipc_cleanup(); |
futex_cleanup(); |
LOG("Cleanup of task %" PRIu64" completed.", TASK->taskid); |
} |
} |
restart: |
ipl = interrupts_disable(); |
spinlock_lock(&THREAD->lock); |
if (THREAD->timeout_pending) { |
/* busy waiting for timeouts in progress */ |
spinlock_unlock(&THREAD->lock); |
interrupts_restore(ipl); |
goto restart; |
} |
THREAD->state = Exiting; |
spinlock_unlock(&THREAD->lock); |
scheduler(); |
/* Not reached */ |
while (1) |
; |
} |
/** Thread sleep |
* |
* Suspend execution of the current thread. |
* |
* @param sec Number of seconds to sleep. |
* |
*/ |
void thread_sleep(uint32_t sec) |
{ |
thread_usleep(sec * 1000000); |
} |
/** Wait for another thread to exit. |
* |
* @param t Thread to join on exit. |
* @param usec Timeout in microseconds. |
* @param flags Mode of operation. |
* |
* @return An error code from errno.h or an error code from synch.h. |
*/ |
int thread_join_timeout(thread_t *t, uint32_t usec, int flags) |
{ |
ipl_t ipl; |
int rc; |
if (t == THREAD) |
return EINVAL; |
/* |
* Since thread join can only be called once on an undetached thread, |
* the thread pointer is guaranteed to be still valid. |
*/ |
ipl = interrupts_disable(); |
spinlock_lock(&t->lock); |
ASSERT(!t->detached); |
spinlock_unlock(&t->lock); |
interrupts_restore(ipl); |
rc = waitq_sleep_timeout(&t->join_wq, usec, flags); |
return rc; |
} |
/** Detach thread. |
* |
* Mark the thread as detached, if the thread is already in the Lingering |
* state, deallocate its resources. |
* |
* @param t Thread to be detached. |
*/ |
void thread_detach(thread_t *t) |
{ |
ipl_t ipl; |
/* |
* Since the thread is expected not to be already detached, |
* pointer to it must be still valid. |
*/ |
ipl = interrupts_disable(); |
spinlock_lock(&t->lock); |
ASSERT(!t->detached); |
if (t->state == Lingering) { |
thread_destroy(t); /* unlocks &t->lock */ |
interrupts_restore(ipl); |
return; |
} else { |
t->detached = true; |
} |
spinlock_unlock(&t->lock); |
interrupts_restore(ipl); |
} |
/** Thread usleep |
* |
* Suspend execution of the current thread. |
* |
* @param usec Number of microseconds to sleep. |
* |
*/ |
void thread_usleep(uint32_t usec) |
{ |
waitq_t wq; |
waitq_initialize(&wq); |
(void) waitq_sleep_timeout(&wq, usec, SYNCH_FLAGS_NON_BLOCKING); |
} |
/** Register thread out-of-context invocation |
* |
* Register a function and its argument to be executed |
* on next context switch to the current thread. |
* |
* @param call_me Out-of-context function. |
* @param call_me_with Out-of-context function argument. |
* |
*/ |
void thread_register_call_me(void (* call_me)(void *), void *call_me_with) |
{ |
ipl_t ipl; |
ipl = interrupts_disable(); |
spinlock_lock(&THREAD->lock); |
THREAD->call_me = call_me; |
THREAD->call_me_with = call_me_with; |
spinlock_unlock(&THREAD->lock); |
interrupts_restore(ipl); |
} |
static bool thread_walker(avltree_node_t *node, void *arg) |
{ |
thread_t *t = avltree_get_instance(node, thread_t, threads_tree_node); |
uint64_t cycles; |
char suffix; |
order(t->cycles, &cycles, &suffix); |
#ifdef __32_BITS__ |
printf("%-6" PRIu64" %-10s %10p %-8s %10p %-3" PRIu32 " %10p %10p %9" PRIu64 "%c ", |
t->tid, t->name, t, thread_states[t->state], t->task, |
t->task->context, t->thread_code, t->kstack, cycles, suffix); |
#endif |
#ifdef __64_BITS__ |
printf("%-6" PRIu64" %-10s %18p %-8s %18p %-3" PRIu32 " %18p %18p %9" PRIu64 "%c ", |
t->tid, t->name, t, thread_states[t->state], t->task, |
t->task->context, t->thread_code, t->kstack, cycles, suffix); |
#endif |
if (t->cpu) |
printf("%-4u", t->cpu->id); |
else |
printf("none"); |
if (t->state == Sleeping) { |
#ifdef __32_BITS__ |
printf(" %10p", t->sleep_queue); |
#endif |
#ifdef __64_BITS__ |
printf(" %18p", t->sleep_queue); |
#endif |
} |
printf("\n"); |
return true; |
} |
/** Print list of threads debug info */ |
void thread_print_list(void) |
{ |
ipl_t ipl; |
/* Messing with thread structures, avoid deadlock */ |
ipl = interrupts_disable(); |
spinlock_lock(&threads_lock); |
#ifdef __32_BITS__ |
printf("tid name address state task " |
"ctx code stack cycles cpu " |
"waitqueue\n"); |
printf("------ ---------- ---------- -------- ---------- " |
"--- ---------- ---------- ---------- ---- " |
"----------\n"); |
#endif |
#ifdef __64_BITS__ |
printf("tid name address state task " |
"ctx code stack cycles cpu " |
"waitqueue\n"); |
printf("------ ---------- ------------------ -------- ------------------ " |
"--- ------------------ ------------------ ---------- ---- " |
"------------------\n"); |
#endif |
avltree_walk(&threads_tree, thread_walker, NULL); |
spinlock_unlock(&threads_lock); |
interrupts_restore(ipl); |
} |
/** Check whether thread exists. |
* |
* Note that threads_lock must be already held and |
* interrupts must be already disabled. |
* |
* @param t Pointer to thread. |
* |
* @return True if thread t is known to the system, false otherwise. |
*/ |
bool thread_exists(thread_t *t) |
{ |
avltree_node_t *node; |
node = avltree_search(&threads_tree, (avltree_key_t) ((uintptr_t) t)); |
return node != NULL; |
} |
/** Update accounting of current thread. |
* |
* Note that thread_lock on THREAD must be already held and |
* interrupts must be already disabled. |
* |
*/ |
void thread_update_accounting(void) |
{ |
uint64_t time = get_cycle(); |
THREAD->cycles += time - THREAD->last_cycle; |
THREAD->last_cycle = time; |
} |
/** Process syscall to create new thread. |
* |
*/ |
unative_t sys_thread_create(uspace_arg_t *uspace_uarg, char *uspace_name, |
size_t name_len, thread_id_t *uspace_thread_id) |
{ |
thread_t *t; |
char namebuf[THREAD_NAME_BUFLEN]; |
uspace_arg_t *kernel_uarg; |
int rc; |
if (name_len > THREAD_NAME_BUFLEN - 1) |
name_len = THREAD_NAME_BUFLEN - 1; |
rc = copy_from_uspace(namebuf, uspace_name, name_len); |
if (rc != 0) |
return (unative_t) rc; |
namebuf[name_len] = 0; |
/* |
* In case of failure, kernel_uarg will be deallocated in this function. |
* In case of success, kernel_uarg will be freed in uinit(). |
*/ |
kernel_uarg = (uspace_arg_t *) malloc(sizeof(uspace_arg_t), 0); |
rc = copy_from_uspace(kernel_uarg, uspace_uarg, sizeof(uspace_arg_t)); |
if (rc != 0) { |
free(kernel_uarg); |
return (unative_t) rc; |
} |
t = thread_create(uinit, kernel_uarg, TASK, |
THREAD_FLAG_USPACE | THREAD_FLAG_NOATTACH, namebuf, false); |
if (t) { |
if (uspace_thread_id != NULL) { |
int rc; |
rc = copy_to_uspace(uspace_thread_id, &t->tid, |
sizeof(t->tid)); |
if (rc != 0) { |
/* |
* We have encountered a failure, but the thread |
* has already been created. We need to undo its |
* creation now. |
*/ |
/* |
* The new thread structure is initialized, but |
* is still not visible to the system. |
* We can safely deallocate it. |
*/ |
slab_free(thread_slab, t); |
free(kernel_uarg); |
return (unative_t) rc; |
} |
} |
#ifdef CONFIG_UDEBUG |
/* |
* Generate udebug THREAD_B event and attach the thread. |
* This must be done atomically (with the debug locks held), |
* otherwise we would either miss some thread or receive |
* THREAD_B events for threads that already existed |
* and could be detected with THREAD_READ before. |
*/ |
udebug_thread_b_event_attach(t, TASK); |
#else |
thread_attach(t, TASK); |
#endif |
thread_ready(t); |
return 0; |
} else |
free(kernel_uarg); |
return (unative_t) ENOMEM; |
} |
/** Process syscall to terminate thread. |
* |
*/ |
unative_t sys_thread_exit(int uspace_status) |
{ |
thread_exit(); |
/* Unreachable */ |
return 0; |
} |
/** Syscall for getting TID. |
* |
* @param uspace_thread_id Userspace address of 8-byte buffer where to store |
* current thread ID. |
* |
* @return 0 on success or an error code from @ref errno.h. |
*/ |
unative_t sys_thread_get_id(thread_id_t *uspace_thread_id) |
{ |
/* |
* No need to acquire lock on THREAD because tid |
* remains constant for the lifespan of the thread. |
*/ |
return (unative_t) copy_to_uspace(uspace_thread_id, &THREAD->tid, |
sizeof(THREAD->tid)); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/proc/tasklet.c |
---|
0,0 → 1,64 |
/* |
* Copyright (c) 2007 Jan Hudecek |
* Copyright (c) 2008 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericproc |
* @{ |
*/ |
/** @file tasklet.c |
* @brief Tasklet implementation |
*/ |
#include <proc/tasklet.h> |
#include <synch/spinlock.h> |
#include <mm/slab.h> |
#include <config.h> |
/** Spinlock protecting list of tasklets */ |
SPINLOCK_INITIALIZE(tasklet_lock); |
/** Array of tasklet lists for every CPU */ |
tasklet_descriptor_t **tasklet_list; |
void tasklet_init(void) |
{ |
unsigned int i; |
tasklet_list = malloc(sizeof(tasklet_descriptor_t *) * config.cpu_count, 0); |
if (!tasklet_list) |
panic("Error initializing tasklets."); |
for (i = 0; i < config.cpu_count; i++) |
tasklet_list[i] = NULL; |
spinlock_initialize(&tasklet_lock, "tasklet_lock"); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/proc/the.c |
---|
0,0 → 1,75 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericproc |
* @{ |
*/ |
/** |
* @file |
* @brief THE structure functions. |
* |
* This file contains functions to manage the THE structure. |
* The THE structure exists at the base address of every kernel |
* stack and carries information about current settings |
* (e.g. current CPU, current thread, task and address space |
* and current preemption counter). |
*/ |
#include <arch.h> |
/** Initialize THE structure |
* |
* Initialize THE structure passed as argument. |
* |
* @param the THE structure to be initialized. |
*/ |
void the_initialize(the_t *the) |
{ |
the->preemption_disabled = 0; |
the->cpu = NULL; |
the->thread = NULL; |
the->task = NULL; |
the->as = NULL; |
} |
/** Copy THE structure |
* |
* Copy the source THE structure to the destination THE structure. |
* |
* @param src The source THE structure. |
* @param dst The destination THE structure. |
*/ |
void the_copy(the_t *src, the_t *dst) |
{ |
*dst = *src; |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/lib/string.c |
---|
0,0 → 1,712 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** |
* @file |
* @brief String functions. |
* |
* Strings and characters use the Universal Character Set (UCS). The standard |
* strings, called just strings are encoded in UTF-8. Wide strings (encoded |
* in UTF-32) are supported to a limited degree. A single character is |
* represented as wchar_t.@n |
* |
* Overview of the terminology:@n |
* |
* Term Meaning |
* -------------------- ---------------------------------------------------- |
* byte 8 bits stored in uint8_t (unsigned 8 bit integer) |
* |
* character UTF-32 encoded Unicode character, stored in wchar_t |
* (signed 32 bit integer), code points 0 .. 1114111 |
* are valid |
* |
* ASCII character 7 bit encoded ASCII character, stored in char |
* (usually signed 8 bit integer), code points 0 .. 127 |
* are valid |
* |
* string UTF-8 encoded NULL-terminated Unicode string, char * |
* |
* wide string UTF-32 encoded NULL-terminated Unicode string, |
* wchar_t * |
* |
* [wide] string size number of BYTES in a [wide] string (excluding |
* the NULL-terminator), size_t |
* |
* [wide] string length number of CHARACTERS in a [wide] string (excluding |
* the NULL-terminator), size_t |
* |
* [wide] string width number of display cells on a monospace display taken |
* by a [wide] string, size_t |
* |
* |
* Overview of string metrics:@n |
* |
* Metric Abbrev. Type Meaning |
* ------ ------ ------ ------------------------------------------------- |
* size n size_t number of BYTES in a string (excluding the |
* NULL-terminator) |
* |
* length l size_t number of CHARACTERS in a string (excluding the |
* null terminator) |
* |
* width w size_t number of display cells on a monospace display |
* taken by a string |
* |
* |
* Function naming prefixes:@n |
* |
* chr_ operate on characters |
* ascii_ operate on ASCII characters |
* str_ operate on strings |
* wstr_ operate on wide strings |
* |
* [w]str_[n|l|w] operate on a prefix limited by size, length |
* or width |
* |
* |
* A specific character inside a [wide] string can be referred to by:@n |
* |
* pointer (char *, wchar_t *) |
* byte offset (size_t) |
* character index (size_t) |
* |
*/ |
#include <string.h> |
#include <print.h> |
#include <cpu.h> |
#include <arch/asm.h> |
#include <arch.h> |
#include <errno.h> |
#include <align.h> |
#include <debug.h> |
/** Byte mask consisting of lowest @n bits (out of 8) */ |
#define LO_MASK_8(n) ((uint8_t) ((1 << (n)) - 1)) |
/** Byte mask consisting of lowest @n bits (out of 32) */ |
#define LO_MASK_32(n) ((uint32_t) ((1 << (n)) - 1)) |
/** Byte mask consisting of highest @n bits (out of 8) */ |
#define HI_MASK_8(n) (~LO_MASK_8(8 - (n))) |
/** Number of data bits in a UTF-8 continuation byte */ |
#define CONT_BITS 6 |
/** Decode a single character from a string. |
* |
* Decode a single character from a string of size @a size. Decoding starts |
* at @a offset and this offset is moved to the beginning of the next |
* character. In case of decoding error, offset generally advances at least |
* by one. However, offset is never moved beyond size. |
* |
* @param str String (not necessarily NULL-terminated). |
* @param offset Byte offset in string where to start decoding. |
* @param size Size of the string (in bytes). |
* |
* @return Value of decoded character, U_SPECIAL on decoding error or |
* NULL if attempt to decode beyond @a size. |
* |
*/ |
wchar_t str_decode(const char *str, size_t *offset, size_t size) |
{ |
if (*offset + 1 > size) |
return 0; |
/* First byte read from string */ |
uint8_t b0 = (uint8_t) str[(*offset)++]; |
/* Determine code length */ |
unsigned int b0_bits; /* Data bits in first byte */ |
unsigned int cbytes; /* Number of continuation bytes */ |
if ((b0 & 0x80) == 0) { |
/* 0xxxxxxx (Plain ASCII) */ |
b0_bits = 7; |
cbytes = 0; |
} else if ((b0 & 0xe0) == 0xc0) { |
/* 110xxxxx 10xxxxxx */ |
b0_bits = 5; |
cbytes = 1; |
} else if ((b0 & 0xf0) == 0xe0) { |
/* 1110xxxx 10xxxxxx 10xxxxxx */ |
b0_bits = 4; |
cbytes = 2; |
} else if ((b0 & 0xf8) == 0xf0) { |
/* 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */ |
b0_bits = 3; |
cbytes = 3; |
} else { |
/* 10xxxxxx -- unexpected continuation byte */ |
return U_SPECIAL; |
} |
if (*offset + cbytes > size) |
return U_SPECIAL; |
wchar_t ch = b0 & LO_MASK_8(b0_bits); |
/* Decode continuation bytes */ |
while (cbytes > 0) { |
uint8_t b = (uint8_t) str[(*offset)++]; |
/* Must be 10xxxxxx */ |
if ((b & 0xc0) != 0x80) |
return U_SPECIAL; |
/* Shift data bits to ch */ |
ch = (ch << CONT_BITS) | (wchar_t) (b & LO_MASK_8(CONT_BITS)); |
cbytes--; |
} |
return ch; |
} |
/** Encode a single character to string representation. |
* |
* Encode a single character to string representation (i.e. UTF-8) and store |
* it into a buffer at @a offset. Encoding starts at @a offset and this offset |
* is moved to the position where the next character can be written to. |
* |
* @param ch Input character. |
* @param str Output buffer. |
* @param offset Byte offset where to start writing. |
* @param size Size of the output buffer (in bytes). |
* |
* @return EOK if the character was encoded successfully, EOVERFLOW if there |
* was not enough space in the output buffer or EINVAL if the character |
* code was invalid. |
*/ |
int chr_encode(wchar_t ch, char *str, size_t *offset, size_t size) |
{ |
if (*offset >= size) |
return EOVERFLOW; |
if (!chr_check(ch)) |
return EINVAL; |
/* Unsigned version of ch (bit operations should only be done |
on unsigned types). */ |
uint32_t cc = (uint32_t) ch; |
/* Determine how many continuation bytes are needed */ |
unsigned int b0_bits; /* Data bits in first byte */ |
unsigned int cbytes; /* Number of continuation bytes */ |
if ((cc & ~LO_MASK_32(7)) == 0) { |
b0_bits = 7; |
cbytes = 0; |
} else if ((cc & ~LO_MASK_32(11)) == 0) { |
b0_bits = 5; |
cbytes = 1; |
} else if ((cc & ~LO_MASK_32(16)) == 0) { |
b0_bits = 4; |
cbytes = 2; |
} else if ((cc & ~LO_MASK_32(21)) == 0) { |
b0_bits = 3; |
cbytes = 3; |
} else { |
/* Codes longer than 21 bits are not supported */ |
return EINVAL; |
} |
/* Check for available space in buffer */ |
if (*offset + cbytes >= size) |
return EOVERFLOW; |
/* Encode continuation bytes */ |
unsigned int i; |
for (i = cbytes; i > 0; i--) { |
str[*offset + i] = 0x80 | (cc & LO_MASK_32(CONT_BITS)); |
cc = cc >> CONT_BITS; |
} |
/* Encode first byte */ |
str[*offset] = (cc & LO_MASK_32(b0_bits)) | HI_MASK_8(8 - b0_bits - 1); |
/* Advance offset */ |
*offset += cbytes + 1; |
return EOK; |
} |
/** Get size of string. |
* |
* Get the number of bytes which are used by the string @a str (excluding the |
* NULL-terminator). |
* |
* @param str String to consider. |
* |
* @return Number of bytes used by the string |
* |
*/ |
size_t str_size(const char *str) |
{ |
size_t size = 0; |
while (*str++ != 0) |
size++; |
return size; |
} |
/** Get size of wide string. |
* |
* Get the number of bytes which are used by the wide string @a str (excluding the |
* NULL-terminator). |
* |
* @param str Wide string to consider. |
* |
* @return Number of bytes used by the wide string |
* |
*/ |
size_t wstr_size(const wchar_t *str) |
{ |
return (wstr_length(str) * sizeof(wchar_t)); |
} |
/** Get size of string with length limit. |
* |
* Get the number of bytes which are used by up to @a max_len first |
* characters in the string @a str. If @a max_len is greater than |
* the length of @a str, the entire string is measured (excluding the |
* NULL-terminator). |
* |
* @param str String to consider. |
* @param max_len Maximum number of characters to measure. |
* |
* @return Number of bytes used by the characters. |
* |
*/ |
size_t str_lsize(const char *str, size_t max_len) |
{ |
size_t len = 0; |
size_t offset = 0; |
while (len < max_len) { |
if (str_decode(str, &offset, STR_NO_LIMIT) == 0) |
break; |
len++; |
} |
return offset; |
} |
/** Get size of wide string with length limit. |
* |
* Get the number of bytes which are used by up to @a max_len first |
* wide characters in the wide string @a str. If @a max_len is greater than |
* the length of @a str, the entire wide string is measured (excluding the |
* NULL-terminator). |
* |
* @param str Wide string to consider. |
* @param max_len Maximum number of wide characters to measure. |
* |
* @return Number of bytes used by the wide characters. |
* |
*/ |
size_t wstr_lsize(const wchar_t *str, size_t max_len) |
{ |
return (wstr_nlength(str, max_len * sizeof(wchar_t)) * sizeof(wchar_t)); |
} |
/** Get number of characters in a string. |
* |
* @param str NULL-terminated string. |
* |
* @return Number of characters in string. |
* |
*/ |
size_t str_length(const char *str) |
{ |
size_t len = 0; |
size_t offset = 0; |
while (str_decode(str, &offset, STR_NO_LIMIT) != 0) |
len++; |
return len; |
} |
/** Get number of characters in a wide string. |
* |
* @param str NULL-terminated wide string. |
* |
* @return Number of characters in @a str. |
* |
*/ |
size_t wstr_length(const wchar_t *wstr) |
{ |
size_t len = 0; |
while (*wstr++ != 0) |
len++; |
return len; |
} |
/** Get number of characters in a string with size limit. |
* |
* @param str NULL-terminated string. |
* @param size Maximum number of bytes to consider. |
* |
* @return Number of characters in string. |
* |
*/ |
size_t str_nlength(const char *str, size_t size) |
{ |
size_t len = 0; |
size_t offset = 0; |
while (str_decode(str, &offset, size) != 0) |
len++; |
return len; |
} |
/** Get number of characters in a string with size limit. |
* |
* @param str NULL-terminated string. |
* @param size Maximum number of bytes to consider. |
* |
* @return Number of characters in string. |
* |
*/ |
size_t wstr_nlength(const wchar_t *str, size_t size) |
{ |
size_t len = 0; |
size_t limit = ALIGN_DOWN(size, sizeof(wchar_t)); |
size_t offset = 0; |
while ((offset < limit) && (*str++ != 0)) { |
len++; |
offset += sizeof(wchar_t); |
} |
return len; |
} |
/** Check whether character is plain ASCII. |
* |
* @return True if character is plain ASCII. |
* |
*/ |
bool ascii_check(wchar_t ch) |
{ |
if ((ch >= 0) && (ch <= 127)) |
return true; |
return false; |
} |
/** Check whether character is valid |
* |
* @return True if character is a valid Unicode code point. |
* |
*/ |
bool chr_check(wchar_t ch) |
{ |
if ((ch >= 0) && (ch <= 1114111)) |
return true; |
return false; |
} |
/** Compare two NULL terminated strings. |
* |
* Do a char-by-char comparison of two NULL-terminated strings. |
* The strings are considered equal iff they consist of the same |
* characters on the minimum of their lengths. |
* |
* @param s1 First string to compare. |
* @param s2 Second string to compare. |
* |
* @return 0 if the strings are equal, -1 if first is smaller, |
* 1 if second smaller. |
* |
*/ |
int str_cmp(const char *s1, const char *s2) |
{ |
wchar_t c1 = 0; |
wchar_t c2 = 0; |
size_t off1 = 0; |
size_t off2 = 0; |
while (true) { |
c1 = str_decode(s1, &off1, STR_NO_LIMIT); |
c2 = str_decode(s2, &off2, STR_NO_LIMIT); |
if (c1 < c2) |
return -1; |
if (c1 > c2) |
return 1; |
if (c1 == 0 || c2 == 0) |
break; |
} |
return 0; |
} |
/** Compare two NULL terminated strings with length limit. |
* |
* Do a char-by-char comparison of two NULL-terminated strings. |
* The strings are considered equal iff they consist of the same |
* characters on the minimum of their lengths and the length limit. |
* |
* @param s1 First string to compare. |
* @param s2 Second string to compare. |
* @param max_len Maximum number of characters to consider. |
* |
* @return 0 if the strings are equal, -1 if first is smaller, |
* 1 if second smaller. |
* |
*/ |
int str_lcmp(const char *s1, const char *s2, size_t max_len) |
{ |
wchar_t c1 = 0; |
wchar_t c2 = 0; |
size_t off1 = 0; |
size_t off2 = 0; |
size_t len = 0; |
while (true) { |
if (len >= max_len) |
break; |
c1 = str_decode(s1, &off1, STR_NO_LIMIT); |
c2 = str_decode(s2, &off2, STR_NO_LIMIT); |
if (c1 < c2) |
return -1; |
if (c1 > c2) |
return 1; |
if (c1 == 0 || c2 == 0) |
break; |
++len; |
} |
return 0; |
} |
/** Copy string. |
* |
* Copy source string @a src to destination buffer @a dest. |
* No more than @a size bytes are written. If the size of the output buffer |
* is at least one byte, the output string will always be well-formed, i.e. |
* null-terminated and containing only complete characters. |
* |
* @param dst Destination buffer. |
* @param count Size of the destination buffer (must be > 0). |
* @param src Source string. |
*/ |
void str_cpy(char *dest, size_t size, const char *src) |
{ |
wchar_t ch; |
size_t src_off; |
size_t dest_off; |
/* There must be space for a null terminator in the buffer. */ |
ASSERT(size > 0); |
src_off = 0; |
dest_off = 0; |
while ((ch = str_decode(src, &src_off, STR_NO_LIMIT)) != 0) { |
if (chr_encode(ch, dest, &dest_off, size - 1) != EOK) |
break; |
} |
dest[dest_off] = '\0'; |
} |
/** Copy size-limited substring. |
* |
* Copy prefix of string @a src of max. size @a size to destination buffer |
* @a dest. No more than @a size bytes are written. The output string will |
* always be well-formed, i.e. null-terminated and containing only complete |
* characters. |
* |
* No more than @a n bytes are read from the input string, so it does not |
* have to be null-terminated. |
* |
* @param dst Destination buffer. |
* @param count Size of the destination buffer (must be > 0). |
* @param src Source string. |
* @param n Maximum number of bytes to read from @a src. |
*/ |
void str_ncpy(char *dest, size_t size, const char *src, size_t n) |
{ |
wchar_t ch; |
size_t src_off; |
size_t dest_off; |
/* There must be space for a null terminator in the buffer. */ |
ASSERT(size > 0); |
src_off = 0; |
dest_off = 0; |
while ((ch = str_decode(src, &src_off, n)) != 0) { |
if (chr_encode(ch, dest, &dest_off, size - 1) != EOK) |
break; |
} |
dest[dest_off] = '\0'; |
} |
/** Copy NULL-terminated wide string to string |
* |
* Copy source wide string @a src to destination buffer @a dst. |
* No more than @a size bytes are written. NULL-terminator is always |
* written after the last succesfully copied character (i.e. if the |
* destination buffer is has at least 1 byte, it will be always |
* NULL-terminated). |
* |
* @param src Source wide string. |
* @param dst Destination buffer. |
* @param count Size of the destination buffer. |
* |
*/ |
void wstr_nstr(char *dst, const wchar_t *src, size_t size) |
{ |
/* No space for the NULL-terminator in the buffer */ |
if (size == 0) |
return; |
wchar_t ch; |
size_t src_idx = 0; |
size_t dst_off = 0; |
while ((ch = src[src_idx++]) != 0) { |
if (chr_encode(ch, dst, &dst_off, size) != EOK) |
break; |
} |
if (dst_off >= size) |
dst[size - 1] = 0; |
else |
dst[dst_off] = 0; |
} |
/** Find first occurence of character in string. |
* |
* @param str String to search. |
* @param ch Character to look for. |
* |
* @return Pointer to character in @a str or NULL if not found. |
* |
*/ |
const char *str_chr(const char *str, wchar_t ch) |
{ |
wchar_t acc; |
size_t off = 0; |
size_t last = 0; |
while ((acc = str_decode(str, &off, STR_NO_LIMIT)) != 0) { |
if (acc == ch) |
return (str + last); |
last = off; |
} |
return NULL; |
} |
/** Insert a wide character into a wide string. |
* |
* Insert a wide character into a wide string at position |
* @a pos. The characters after the position are shifted. |
* |
* @param str String to insert to. |
* @param ch Character to insert to. |
* @param pos Character index where to insert. |
@ @param max_pos Characters in the buffer. |
* |
* @return True if the insertion was sucessful, false if the position |
* is out of bounds. |
* |
*/ |
bool wstr_linsert(wchar_t *str, wchar_t ch, size_t pos, size_t max_pos) |
{ |
size_t len = wstr_length(str); |
if ((pos > len) || (pos + 1 > max_pos)) |
return false; |
size_t i; |
for (i = len; i + 1 > pos; i--) |
str[i + 1] = str[i]; |
str[pos] = ch; |
return true; |
} |
/** Remove a wide character from a wide string. |
* |
* Remove a wide character from a wide string at position |
* @a pos. The characters after the position are shifted. |
* |
* @param str String to remove from. |
* @param pos Character index to remove. |
* |
* @return True if the removal was sucessful, false if the position |
* is out of bounds. |
* |
*/ |
bool wstr_remove(wchar_t *str, size_t pos) |
{ |
size_t len = wstr_length(str); |
if (pos >= len) |
return false; |
size_t i; |
for (i = pos + 1; i <= len; i++) |
str[i - 1] = str[i]; |
return true; |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/lib/sort.c |
---|
0,0 → 1,206 |
/* |
* Copyright (c) 2005 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** |
* @file |
* @brief Sorting functions. |
* |
* This files contains functions implementing several sorting |
* algorithms (e.g. quick sort and bubble sort). |
*/ |
#include <mm/slab.h> |
#include <memstr.h> |
#include <sort.h> |
#include <panic.h> |
#define EBUFSIZE 32 |
void _qsort(void * data, size_t n, size_t e_size, int (* cmp) (void * a, void * b), void *tmp, void *pivot); |
void _bubblesort(void * data, size_t n, size_t e_size, int (* cmp) (void * a, void * b), void *slot); |
/** Quicksort wrapper |
* |
* This is only a wrapper that takes care of memory allocations for storing |
* the pivot and temporary elements for generic quicksort algorithm. |
* |
* This function _can_ sleep |
* |
* @param data Pointer to data to be sorted. |
* @param n Number of elements to be sorted. |
* @param e_size Size of one element. |
* @param cmp Comparator function. |
* |
*/ |
void qsort(void * data, size_t n, size_t e_size, int (* cmp) (void * a, void * b)) |
{ |
uint8_t buf_tmp[EBUFSIZE]; |
uint8_t buf_pivot[EBUFSIZE]; |
void * tmp = buf_tmp; |
void * pivot = buf_pivot; |
if (e_size > EBUFSIZE) { |
pivot = (void *) malloc(e_size, 0); |
tmp = (void *) malloc(e_size, 0); |
} |
_qsort(data, n, e_size, cmp, tmp, pivot); |
if (e_size > EBUFSIZE) { |
free(tmp); |
free(pivot); |
} |
} |
/** Quicksort |
* |
* Apply generic quicksort algorithm on supplied data, using pre-allocated buffers. |
* |
* @param data Pointer to data to be sorted. |
* @param n Number of elements to be sorted. |
* @param e_size Size of one element. |
* @param cmp Comparator function. |
* @param tmp Pointer to scratch memory buffer e_size bytes long. |
* @param pivot Pointer to scratch memory buffer e_size bytes long. |
* |
*/ |
void _qsort(void * data, size_t n, size_t e_size, int (* cmp) (void * a, void * b), void *tmp, void *pivot) |
{ |
if (n > 4) { |
unsigned int i = 0, j = n - 1; |
memcpy(pivot, data, e_size); |
while (1) { |
while ((cmp(data + i * e_size, pivot) < 0) && (i < n)) |
i++; |
while ((cmp(data + j * e_size, pivot) >= 0) && (j > 0)) |
j--; |
if (i < j) { |
memcpy(tmp, data + i * e_size, e_size); |
memcpy(data + i * e_size, data + j * e_size, e_size); |
memcpy(data + j * e_size, tmp, e_size); |
} else { |
break; |
} |
} |
_qsort(data, j + 1, e_size, cmp, tmp, pivot); |
_qsort(data + (j + 1) * e_size, n - j - 1, e_size, cmp, tmp, pivot); |
} else { |
_bubblesort(data, n, e_size, cmp, tmp); |
} |
} |
/** Bubblesort wrapper |
* |
* This is only a wrapper that takes care of memory allocation for storing |
* the slot element for generic bubblesort algorithm. |
* |
* @param data Pointer to data to be sorted. |
* @param n Number of elements to be sorted. |
* @param e_size Size of one element. |
* @param cmp Comparator function. |
* |
*/ |
void bubblesort(void * data, size_t n, size_t e_size, int (* cmp) (void * a, void * b)) |
{ |
uint8_t buf_slot[EBUFSIZE]; |
void * slot = buf_slot; |
if (e_size > EBUFSIZE) { |
slot = (void *) malloc(e_size, 0); |
} |
_bubblesort(data, n, e_size, cmp, slot); |
if (e_size > EBUFSIZE) { |
free(slot); |
} |
} |
/** Bubblesort |
* |
* Apply generic bubblesort algorithm on supplied data, using pre-allocated buffer. |
* |
* @param data Pointer to data to be sorted. |
* @param n Number of elements to be sorted. |
* @param e_size Size of one element. |
* @param cmp Comparator function. |
* @param slot Pointer to scratch memory buffer e_size bytes long. |
* |
*/ |
void _bubblesort(void * data, size_t n, size_t e_size, int (* cmp) (void * a, void * b), void *slot) |
{ |
bool done = false; |
void * p; |
while (!done) { |
done = true; |
for (p = data; p < data + e_size * (n - 1); p = p + e_size) { |
if (cmp(p, p + e_size) == 1) { |
memcpy(slot, p, e_size); |
memcpy(p, p + e_size, e_size); |
memcpy(p + e_size, slot, e_size); |
done = false; |
} |
} |
} |
} |
/* |
* Comparator returns 1 if a > b, 0 if a == b, -1 if a < b |
*/ |
int int_cmp(void * a, void * b) |
{ |
return (* (int *) a > * (int*)b) ? 1 : (*(int *)a < * (int *)b) ? -1 : 0; |
} |
int uint8_t_cmp(void * a, void * b) |
{ |
return (* (uint8_t *) a > * (uint8_t *)b) ? 1 : (*(uint8_t *)a < * (uint8_t *)b) ? -1 : 0; |
} |
int uint16_t_cmp(void * a, void * b) |
{ |
return (* (uint16_t *) a > * (uint16_t *)b) ? 1 : (*(uint16_t *)a < * (uint16_t *)b) ? -1 : 0; |
} |
int uint32_t_cmp(void * a, void * b) |
{ |
return (* (uint32_t *) a > * (uint32_t *)b) ? 1 : (*(uint32_t *)a < * (uint32_t *)b) ? -1 : 0; |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/lib/func.c |
---|
0,0 → 1,153 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** |
* @file |
* @brief Miscellaneous functions. |
*/ |
#include <func.h> |
#include <print.h> |
#include <cpu.h> |
#include <arch/asm.h> |
#include <arch.h> |
#include <console/kconsole.h> |
atomic_t haltstate = {0}; /**< Halt flag */ |
/** Halt wrapper |
* |
* Set halt flag and halt the CPU. |
* |
*/ |
void halt() |
{ |
#ifdef CONFIG_DEBUG |
bool rundebugger = false; |
if (!atomic_get(&haltstate)) { |
atomic_set(&haltstate, 1); |
rundebugger = true; |
} |
#else |
atomic_set(&haltstate, 1); |
#endif |
interrupts_disable(); |
#if (defined(CONFIG_DEBUG)) && (defined(CONFIG_KCONSOLE)) |
if ((rundebugger) && (kconsole_check_poll())) |
kconsole("panic", "\nLast resort kernel console ready.\n", false); |
#endif |
if (CPU) |
printf("cpu%u: halted\n", CPU->id); |
else |
printf("cpu: halted\n"); |
cpu_halt(); |
} |
/** Convert ascii representation to unative_t |
* |
* Supports 0x for hexa & 0 for octal notation. |
* Does not check for overflows, does not support negative numbers |
* |
* @param text Textual representation of number |
* @return Converted number or 0 if no valid number ofund |
*/ |
unative_t atoi(const char *text) |
{ |
int base = 10; |
unative_t result = 0; |
if (text[0] == '0' && text[1] == 'x') { |
base = 16; |
text += 2; |
} else if (text[0] == '0') |
base = 8; |
while (*text) { |
if (base != 16 && \ |
((*text >= 'A' && *text <= 'F' ) |
|| (*text >='a' && *text <='f'))) |
break; |
if (base == 8 && *text >='8') |
break; |
if (*text >= '0' && *text <= '9') { |
result *= base; |
result += *text - '0'; |
} else if (*text >= 'A' && *text <= 'F') { |
result *= base; |
result += *text - 'A' + 10; |
} else if (*text >= 'a' && *text <= 'f') { |
result *= base; |
result += *text - 'a' + 10; |
} else |
break; |
text++; |
} |
return result; |
} |
void order(const uint64_t val, uint64_t *rv, char *suffix) |
{ |
if (val > 10000000000000000000ULL) { |
*rv = val / 1000000000000000000ULL; |
*suffix = 'Z'; |
} else if (val > 1000000000000000000ULL) { |
*rv = val / 1000000000000000ULL; |
*suffix = 'E'; |
} else if (val > 1000000000000000ULL) { |
*rv = val / 1000000000000ULL; |
*suffix = 'T'; |
} else if (val > 1000000000000ULL) { |
*rv = val / 1000000000ULL; |
*suffix = 'G'; |
} else if (val > 1000000000ULL) { |
*rv = val / 1000000ULL; |
*suffix = 'M'; |
} else if (val > 1000000ULL) { |
*rv = val / 1000ULL; |
*suffix = 'k'; |
} else { |
*rv = val; |
*suffix = ' '; |
} |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/lib/memstr.c |
---|
0,0 → 1,164 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* Copyright (c) 2008 Jiri Svoboda |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** |
* @file |
* @brief Memory string operations. |
* |
* This file provides architecture independent functions to manipulate blocks of |
* memory. These functions are optimized as much as generic functions of this |
* type can be. However, architectures are free to provide even more optimized |
* versions of these functions. |
*/ |
#include <memstr.h> |
#include <arch/types.h> |
#include <align.h> |
/** Copy block of memory. |
* |
* Copy cnt bytes from src address to dst address. The copying is done |
* word-by-word and then byte-by-byte. The source and destination memory areas |
* cannot overlap. |
* |
* @param src Source address to copy from. |
* @param dst Destination address to copy to. |
* @param cnt Number of bytes to copy. |
* |
* @return Destination address. |
*/ |
void *_memcpy(void *dst, const void *src, size_t cnt) |
{ |
unsigned int i, j; |
if (ALIGN_UP((uintptr_t) src, sizeof(unative_t)) != (uintptr_t) src || |
ALIGN_UP((uintptr_t) dst, sizeof(unative_t)) != (uintptr_t) dst) { |
for (i = 0; i < cnt; i++) |
((uint8_t *) dst)[i] = ((uint8_t *) src)[i]; |
} else { |
for (i = 0; i < cnt / sizeof(unative_t); i++) |
((unative_t *) dst)[i] = ((unative_t *) src)[i]; |
for (j = 0; j < cnt % sizeof(unative_t); j++) |
((uint8_t *)(((unative_t *) dst) + i))[j] = |
((uint8_t *)(((unative_t *) src) + i))[j]; |
} |
return (char *) dst; |
} |
/** Move memory block with possible overlapping. |
* |
* Copy cnt bytes from src address to dst address. The source and destination |
* memory areas may overlap. |
* |
* @param src Source address to copy from. |
* @param dst Destination address to copy to. |
* @param cnt Number of bytes to copy. |
* |
* @return Destination address. |
*/ |
void *memmove(void *dst, const void *src, size_t n) |
{ |
const uint8_t *sp; |
uint8_t *dp; |
/* Nothing to do? */ |
if (src == dst) |
return dst; |
/* Non-overlapping? */ |
if (dst >= src + n || src >= dst + n) { |
return memcpy(dst, src, n); |
} |
/* Which direction? */ |
if (src > dst) { |
/* Forwards. */ |
sp = src; |
dp = dst; |
while (n-- != 0) |
*dp++ = *sp++; |
} else { |
/* Backwards. */ |
sp = src + (n - 1); |
dp = dst + (n - 1); |
while (n-- != 0) |
*dp-- = *sp--; |
} |
return dst; |
} |
/** Fill block of memory |
* |
* Fill cnt bytes at dst address with the value x. The filling is done |
* byte-by-byte. |
* |
* @param dst Destination address to fill. |
* @param cnt Number of bytes to fill. |
* @param x Value to fill. |
* |
*/ |
void _memsetb(void *dst, size_t cnt, uint8_t x) |
{ |
unsigned int i; |
uint8_t *p = (uint8_t *) dst; |
for (i = 0; i < cnt; i++) |
p[i] = x; |
} |
/** Fill block of memory. |
* |
* Fill cnt words at dst address with the value x. The filling is done |
* word-by-word. |
* |
* @param dst Destination address to fill. |
* @param cnt Number of words to fill. |
* @param x Value to fill. |
* |
*/ |
void _memsetw(void *dst, size_t cnt, uint16_t x) |
{ |
unsigned int i; |
uint16_t *p = (uint16_t *) dst; |
for (i = 0; i < cnt; i++) |
p[i] = x; |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/lib/rd.c |
---|
0,0 → 1,104 |
/* |
* Copyright (c) 2006 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericmm |
* @{ |
*/ |
/** |
* @file |
* @brief RAM disk support. |
* |
* Support for RAM disk images. |
*/ |
#include <lib/rd.h> |
#include <byteorder.h> |
#include <mm/frame.h> |
#include <sysinfo/sysinfo.h> |
#include <ddi/ddi.h> |
#include <align.h> |
static parea_t rd_parea; /**< Physical memory area for rd. */ |
/** |
* RAM disk initialization routine. At this point, the RAM disk memory is shared |
* and information about the share is provided as sysinfo values to the |
* userspace tasks. |
*/ |
int init_rd(rd_header_t *header, size_t size) |
{ |
/* Identify RAM disk */ |
if ((header->magic[0] != RD_MAG0) || (header->magic[1] != RD_MAG1) || |
(header->magic[2] != RD_MAG2) || (header->magic[3] != RD_MAG3)) |
return RE_INVALID; |
/* Identify version */ |
if (header->version != RD_VERSION) |
return RE_UNSUPPORTED; |
uint32_t hsize; |
uint64_t dsize; |
switch (header->data_type) { |
case RD_DATA_LSB: |
hsize = uint32_t_le2host(header->header_size); |
dsize = uint64_t_le2host(header->data_size); |
break; |
case RD_DATA_MSB: |
hsize = uint32_t_be2host(header->header_size); |
dsize = uint64_t_be2host(header->data_size); |
break; |
default: |
return RE_UNSUPPORTED; |
} |
if ((hsize % FRAME_SIZE) || (dsize % FRAME_SIZE)) |
return RE_UNSUPPORTED; |
if (hsize > size) |
return RE_INVALID; |
if ((uint64_t) hsize + dsize > size) |
dsize = size - hsize; |
rd_parea.pbase = ALIGN_DOWN((uintptr_t) KA2PA((void *) header + hsize), |
FRAME_SIZE); |
rd_parea.frames = SIZE2FRAMES(dsize); |
ddi_parea_register(&rd_parea); |
sysinfo_set_item_val("rd", NULL, true); |
sysinfo_set_item_val("rd.header_size", NULL, hsize); |
sysinfo_set_item_val("rd.size", NULL, dsize); |
sysinfo_set_item_val("rd.address.physical", NULL, |
(unative_t) KA2PA((void *) header + hsize)); |
return RE_OK; |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/lib/elf.c |
---|
0,0 → 1,272 |
/* |
* Copyright (c) 2006 Sergey Bondari |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** |
* @file |
* @brief Kernel ELF loader. |
*/ |
#include <lib/elf.h> |
#include <debug.h> |
#include <arch/types.h> |
#include <mm/as.h> |
#include <mm/frame.h> |
#include <mm/slab.h> |
#include <align.h> |
#include <memstr.h> |
#include <macros.h> |
#include <arch.h> |
static char *error_codes[] = { |
"no error", |
"invalid image", |
"address space error", |
"incompatible image", |
"unsupported image type", |
"irrecoverable error" |
}; |
static int segment_header(elf_segment_header_t *entry, elf_header_t *elf, |
as_t *as, int flags); |
static int section_header(elf_section_header_t *entry, elf_header_t *elf, |
as_t *as); |
static int load_segment(elf_segment_header_t *entry, elf_header_t *elf, |
as_t *as); |
/** ELF loader |
* |
* @param header Pointer to ELF header in memory |
* @param as Created and properly mapped address space |
* @param flags A combination of ELD_F_* |
* @return EE_OK on success |
*/ |
unsigned int elf_load(elf_header_t *header, as_t * as, int flags) |
{ |
int i, rc; |
/* Identify ELF */ |
if (header->e_ident[EI_MAG0] != ELFMAG0 || |
header->e_ident[EI_MAG1] != ELFMAG1 || |
header->e_ident[EI_MAG2] != ELFMAG2 || |
header->e_ident[EI_MAG3] != ELFMAG3) { |
return EE_INVALID; |
} |
/* Identify ELF compatibility */ |
if (header->e_ident[EI_DATA] != ELF_DATA_ENCODING || |
header->e_machine != ELF_MACHINE || |
header->e_ident[EI_VERSION] != EV_CURRENT || |
header->e_version != EV_CURRENT || |
header->e_ident[EI_CLASS] != ELF_CLASS) { |
return EE_INCOMPATIBLE; |
} |
if (header->e_phentsize != sizeof(elf_segment_header_t)) |
return EE_INCOMPATIBLE; |
if (header->e_shentsize != sizeof(elf_section_header_t)) |
return EE_INCOMPATIBLE; |
/* Check if the object type is supported. */ |
if (header->e_type != ET_EXEC) |
return EE_UNSUPPORTED; |
/* Check if the ELF image starts on a page boundary */ |
if (ALIGN_UP((uintptr_t)header, PAGE_SIZE) != (uintptr_t)header) |
return EE_UNSUPPORTED; |
/* Walk through all segment headers and process them. */ |
for (i = 0; i < header->e_phnum; i++) { |
elf_segment_header_t *seghdr; |
seghdr = &((elf_segment_header_t *)(((uint8_t *) header) + |
header->e_phoff))[i]; |
rc = segment_header(seghdr, header, as, flags); |
if (rc != EE_OK) |
return rc; |
} |
/* Inspect all section headers and proccess them. */ |
for (i = 0; i < header->e_shnum; i++) { |
elf_section_header_t *sechdr; |
sechdr = &((elf_section_header_t *)(((uint8_t *) header) + |
header->e_shoff))[i]; |
rc = section_header(sechdr, header, as); |
if (rc != EE_OK) |
return rc; |
} |
return EE_OK; |
} |
/** Print error message according to error code. |
* |
* @param rc Return code returned by elf_load(). |
* |
* @return NULL terminated description of error. |
*/ |
char *elf_error(unsigned int rc) |
{ |
ASSERT(rc < sizeof(error_codes) / sizeof(char *)); |
return error_codes[rc]; |
} |
/** Process segment header. |
* |
* @param entry Segment header. |
* @param elf ELF header. |
* @param as Address space into wich the ELF is being loaded. |
* |
* @return EE_OK on success, error code otherwise. |
*/ |
static int segment_header(elf_segment_header_t *entry, elf_header_t *elf, |
as_t *as, int flags) |
{ |
char *interp; |
switch (entry->p_type) { |
case PT_NULL: |
case PT_PHDR: |
break; |
case PT_LOAD: |
return load_segment(entry, elf, as); |
break; |
case PT_DYNAMIC: |
case PT_INTERP: |
interp = (char *)elf + entry->p_offset; |
/* FIXME */ |
/*if (memcmp((uintptr_t)interp, (uintptr_t)ELF_INTERP_ZSTR, |
ELF_INTERP_ZLEN) != 0) { |
return EE_UNSUPPORTED; |
}*/ |
if ((flags & ELD_F_LOADER) == 0) { |
return EE_LOADER; |
} |
break; |
case PT_SHLIB: |
case PT_NOTE: |
case PT_LOPROC: |
case PT_HIPROC: |
default: |
return EE_UNSUPPORTED; |
break; |
} |
return EE_OK; |
} |
/** Load segment described by program header entry. |
* |
* @param entry Program header entry describing segment to be loaded. |
* @param elf ELF header. |
* @param as Address space into wich the ELF is being loaded. |
* |
* @return EE_OK on success, error code otherwise. |
*/ |
int load_segment(elf_segment_header_t *entry, elf_header_t *elf, as_t *as) |
{ |
as_area_t *a; |
int flags = 0; |
mem_backend_data_t backend_data; |
uintptr_t base; |
size_t mem_sz; |
backend_data.elf = elf; |
backend_data.segment = entry; |
if (entry->p_align > 1) { |
if ((entry->p_offset % entry->p_align) != |
(entry->p_vaddr % entry->p_align)) { |
return EE_INVALID; |
} |
} |
if (entry->p_flags & PF_X) |
flags |= AS_AREA_EXEC; |
if (entry->p_flags & PF_W) |
flags |= AS_AREA_WRITE; |
if (entry->p_flags & PF_R) |
flags |= AS_AREA_READ; |
flags |= AS_AREA_CACHEABLE; |
/* |
* Align vaddr down, inserting a little "gap" at the beginning. |
* Adjust area size, so that its end remains in place. |
*/ |
base = ALIGN_DOWN(entry->p_vaddr, PAGE_SIZE); |
mem_sz = entry->p_memsz + (entry->p_vaddr - base); |
a = as_area_create(as, flags, mem_sz, base, |
AS_AREA_ATTR_NONE, &elf_backend, &backend_data); |
if (!a) |
return EE_MEMORY; |
/* |
* The segment will be mapped on demand by elf_page_fault(). |
*/ |
return EE_OK; |
} |
/** Process section header. |
* |
* @param entry Segment header. |
* @param elf ELF header. |
* @param as Address space into wich the ELF is being loaded. |
* |
* @return EE_OK on success, error code otherwise. |
*/ |
static int section_header(elf_section_header_t *entry, elf_header_t *elf, |
as_t *as) |
{ |
switch (entry->sh_type) { |
case SHT_PROGBITS: |
if (entry->sh_flags & SHF_TLS) { |
/* .tdata */ |
} |
break; |
case SHT_NOBITS: |
if (entry->sh_flags & SHF_TLS) { |
/* .tbss */ |
} |
break; |
default: |
break; |
} |
return EE_OK; |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/adt/btree.c |
---|
0,0 → 1,1002 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericadt |
* @{ |
*/ |
/** |
* @file |
* @brief B+tree implementation. |
* |
* This file implements B+tree type and operations. |
* |
* The B+tree has the following properties: |
* @li it is a ballanced 3-4-5 tree (i.e. BTREE_M = 5) |
* @li values (i.e. pointers to values) are stored only in leaves |
* @li leaves are linked in a list |
* |
* Be carefull when using these trees. They need to allocate |
* and deallocate memory for their index nodes and as such |
* can sleep. |
*/ |
#include <adt/btree.h> |
#include <adt/list.h> |
#include <mm/slab.h> |
#include <debug.h> |
#include <panic.h> |
#include <print.h> |
static void btree_destroy_subtree(btree_node_t *root); |
static void _btree_insert(btree_t *t, btree_key_t key, void *value, btree_node_t *rsubtree, btree_node_t *node); |
static void _btree_remove(btree_t *t, btree_key_t key, btree_node_t *node); |
static void node_initialize(btree_node_t *node); |
static void node_insert_key_and_lsubtree(btree_node_t *node, btree_key_t key, void *value, btree_node_t *lsubtree); |
static void node_insert_key_and_rsubtree(btree_node_t *node, btree_key_t key, void *value, btree_node_t *rsubtree); |
static void node_remove_key_and_lsubtree(btree_node_t *node, btree_key_t key); |
static void node_remove_key_and_rsubtree(btree_node_t *node, btree_key_t key); |
static btree_node_t *node_split(btree_node_t *node, btree_key_t key, void *value, btree_node_t *rsubtree, btree_key_t *median); |
static btree_node_t *node_combine(btree_node_t *node); |
static size_t find_key_by_subtree(btree_node_t *node, btree_node_t *subtree, bool right); |
static void rotate_from_right(btree_node_t *lnode, btree_node_t *rnode, size_t idx); |
static void rotate_from_left(btree_node_t *lnode, btree_node_t *rnode, size_t idx); |
static bool try_insert_by_rotation_to_left(btree_node_t *node, btree_key_t key, void *value, btree_node_t *rsubtree); |
static bool try_insert_by_rotation_to_right(btree_node_t *node, btree_key_t key, void *value, btree_node_t *rsubtree); |
static bool try_rotation_from_left(btree_node_t *rnode); |
static bool try_rotation_from_right(btree_node_t *lnode); |
#define ROOT_NODE(n) (!(n)->parent) |
#define INDEX_NODE(n) ((n)->subtree[0] != NULL) |
#define LEAF_NODE(n) ((n)->subtree[0] == NULL) |
#define FILL_FACTOR ((BTREE_M-1)/2) |
#define MEDIAN_LOW_INDEX(n) (((n)->keys-1)/2) |
#define MEDIAN_HIGH_INDEX(n) ((n)->keys/2) |
#define MEDIAN_LOW(n) ((n)->key[MEDIAN_LOW_INDEX((n))]); |
#define MEDIAN_HIGH(n) ((n)->key[MEDIAN_HIGH_INDEX((n))]); |
static slab_cache_t *btree_node_slab; |
/** Initialize B-trees. */ |
void btree_init(void) |
{ |
btree_node_slab = slab_cache_create("btree_node_slab", sizeof(btree_node_t), 0, NULL, NULL, SLAB_CACHE_MAGDEFERRED); |
} |
/** Create empty B-tree. |
* |
* @param t B-tree. |
*/ |
void btree_create(btree_t *t) |
{ |
list_initialize(&t->leaf_head); |
t->root = (btree_node_t *) slab_alloc(btree_node_slab, 0); |
node_initialize(t->root); |
list_append(&t->root->leaf_link, &t->leaf_head); |
} |
/** Destroy empty B-tree. */ |
void btree_destroy(btree_t *t) |
{ |
btree_destroy_subtree(t->root); |
} |
/** Insert key-value pair into B-tree. |
* |
* @param t B-tree. |
* @param key Key to be inserted. |
* @param value Value to be inserted. |
* @param leaf_node Leaf node where the insertion should begin. |
*/ |
void btree_insert(btree_t *t, btree_key_t key, void *value, btree_node_t *leaf_node) |
{ |
btree_node_t *lnode; |
ASSERT(value); |
lnode = leaf_node; |
if (!lnode) { |
if (btree_search(t, key, &lnode)) { |
panic("B-tree %p already contains key %" PRIu64 ".", t, key); |
} |
} |
_btree_insert(t, key, value, NULL, lnode); |
} |
/** Destroy subtree rooted in a node. |
* |
* @param root Root of the subtree. |
*/ |
void btree_destroy_subtree(btree_node_t *root) |
{ |
size_t i; |
if (root->keys) { |
for (i = 0; i < root->keys + 1; i++) { |
if (root->subtree[i]) |
btree_destroy_subtree(root->subtree[i]); |
} |
} |
slab_free(btree_node_slab, root); |
} |
/** Recursively insert into B-tree. |
* |
* @param t B-tree. |
* @param key Key to be inserted. |
* @param value Value to be inserted. |
* @param rsubtree Right subtree of the inserted key. |
* @param node Start inserting into this node. |
*/ |
void _btree_insert(btree_t *t, btree_key_t key, void *value, btree_node_t *rsubtree, btree_node_t *node) |
{ |
if (node->keys < BTREE_MAX_KEYS) { |
/* |
* Node conatins enough space, the key can be stored immediately. |
*/ |
node_insert_key_and_rsubtree(node, key, value, rsubtree); |
} else if (try_insert_by_rotation_to_left(node, key, value, rsubtree)) { |
/* |
* The key-value-rsubtree triplet has been inserted because |
* some keys could have been moved to the left sibling. |
*/ |
} else if (try_insert_by_rotation_to_right(node, key, value, rsubtree)) { |
/* |
* The key-value-rsubtree triplet has been inserted because |
* some keys could have been moved to the right sibling. |
*/ |
} else { |
btree_node_t *rnode; |
btree_key_t median; |
/* |
* Node is full and both siblings (if both exist) are full too. |
* Split the node and insert the smallest key from the node containing |
* bigger keys (i.e. the new node) into its parent. |
*/ |
rnode = node_split(node, key, value, rsubtree, &median); |
if (LEAF_NODE(node)) { |
list_prepend(&rnode->leaf_link, &node->leaf_link); |
} |
if (ROOT_NODE(node)) { |
/* |
* We split the root node. Create new root. |
*/ |
t->root = (btree_node_t *) slab_alloc(btree_node_slab, 0); |
node->parent = t->root; |
rnode->parent = t->root; |
node_initialize(t->root); |
/* |
* Left-hand side subtree will be the old root (i.e. node). |
* Right-hand side subtree will be rnode. |
*/ |
t->root->subtree[0] = node; |
t->root->depth = node->depth + 1; |
} |
_btree_insert(t, median, NULL, rnode, node->parent); |
} |
} |
/** Remove B-tree node. |
* |
* @param t B-tree. |
* @param key Key to be removed from the B-tree along with its associated value. |
* @param leaf_node If not NULL, pointer to the leaf node where the key is found. |
*/ |
void btree_remove(btree_t *t, btree_key_t key, btree_node_t *leaf_node) |
{ |
btree_node_t *lnode; |
lnode = leaf_node; |
if (!lnode) { |
if (!btree_search(t, key, &lnode)) { |
panic("B-tree %p does not contain key %" PRIu64 ".", t, key); |
} |
} |
_btree_remove(t, key, lnode); |
} |
/** Recursively remove B-tree node. |
* |
* @param t B-tree. |
* @param key Key to be removed from the B-tree along with its associated value. |
* @param node Node where the key being removed resides. |
*/ |
void _btree_remove(btree_t *t, btree_key_t key, btree_node_t *node) |
{ |
if (ROOT_NODE(node)) { |
if (node->keys == 1 && node->subtree[0]) { |
/* |
* Free the current root and set new root. |
*/ |
t->root = node->subtree[0]; |
t->root->parent = NULL; |
slab_free(btree_node_slab, node); |
} else { |
/* |
* Remove the key from the root node. |
* Note that the right subtree is removed because when |
* combining two nodes, the left-side sibling is preserved |
* and the right-side sibling is freed. |
*/ |
node_remove_key_and_rsubtree(node, key); |
} |
return; |
} |
if (node->keys <= FILL_FACTOR) { |
/* |
* If the node is below the fill factor, |
* try to borrow keys from left or right sibling. |
*/ |
if (!try_rotation_from_left(node)) |
try_rotation_from_right(node); |
} |
if (node->keys > FILL_FACTOR) { |
size_t i; |
/* |
* The key can be immediatelly removed. |
* |
* Note that the right subtree is removed because when |
* combining two nodes, the left-side sibling is preserved |
* and the right-side sibling is freed. |
*/ |
node_remove_key_and_rsubtree(node, key); |
for (i = 0; i < node->parent->keys; i++) { |
if (node->parent->key[i] == key) |
node->parent->key[i] = node->key[0]; |
} |
} else { |
size_t idx; |
btree_node_t *rnode, *parent; |
/* |
* The node is below the fill factor as well as its left and right sibling. |
* Resort to combining the node with one of its siblings. |
* The node which is on the left is preserved and the node on the right is |
* freed. |
*/ |
parent = node->parent; |
node_remove_key_and_rsubtree(node, key); |
rnode = node_combine(node); |
if (LEAF_NODE(rnode)) |
list_remove(&rnode->leaf_link); |
idx = find_key_by_subtree(parent, rnode, true); |
ASSERT((int) idx != -1); |
slab_free(btree_node_slab, rnode); |
_btree_remove(t, parent->key[idx], parent); |
} |
} |
/** Search key in a B-tree. |
* |
* @param t B-tree. |
* @param key Key to be searched. |
* @param leaf_node Address where to put pointer to visited leaf node. |
* |
* @return Pointer to value or NULL if there is no such key. |
*/ |
void *btree_search(btree_t *t, btree_key_t key, btree_node_t **leaf_node) |
{ |
btree_node_t *cur, *next; |
/* |
* Iteratively descend to the leaf that can contain the searched key. |
*/ |
for (cur = t->root; cur; cur = next) { |
/* Last iteration will set this with proper leaf node address. */ |
*leaf_node = cur; |
/* |
* The key can be in the leftmost subtree. |
* Test it separately. |
*/ |
if (key < cur->key[0]) { |
next = cur->subtree[0]; |
continue; |
} else { |
void *val; |
size_t i; |
/* |
* Now if the key is smaller than cur->key[i] |
* it can only mean that the value is in cur->subtree[i] |
* or it is not in the tree at all. |
*/ |
for (i = 1; i < cur->keys; i++) { |
if (key < cur->key[i]) { |
next = cur->subtree[i]; |
val = cur->value[i - 1]; |
if (LEAF_NODE(cur)) |
return key == cur->key[i - 1] ? val : NULL; |
goto descend; |
} |
} |
/* |
* Last possibility is that the key is in the rightmost subtree. |
*/ |
next = cur->subtree[i]; |
val = cur->value[i - 1]; |
if (LEAF_NODE(cur)) |
return key == cur->key[i - 1] ? val : NULL; |
} |
descend: |
; |
} |
/* |
* The key was not found in the *leaf_node and is smaller than any of its keys. |
*/ |
return NULL; |
} |
/** Return pointer to B-tree leaf node's left neighbour. |
* |
* @param t B-tree. |
* @param node Node whose left neighbour will be returned. |
* |
* @return Left neighbour of the node or NULL if the node does not have the left neighbour. |
*/ |
btree_node_t *btree_leaf_node_left_neighbour(btree_t *t, btree_node_t *node) |
{ |
ASSERT(LEAF_NODE(node)); |
if (node->leaf_link.prev != &t->leaf_head) |
return list_get_instance(node->leaf_link.prev, btree_node_t, leaf_link); |
else |
return NULL; |
} |
/** Return pointer to B-tree leaf node's right neighbour. |
* |
* @param t B-tree. |
* @param node Node whose right neighbour will be returned. |
* |
* @return Right neighbour of the node or NULL if the node does not have the right neighbour. |
*/ |
btree_node_t *btree_leaf_node_right_neighbour(btree_t *t, btree_node_t *node) |
{ |
ASSERT(LEAF_NODE(node)); |
if (node->leaf_link.next != &t->leaf_head) |
return list_get_instance(node->leaf_link.next, btree_node_t, leaf_link); |
else |
return NULL; |
} |
/** Initialize B-tree node. |
* |
* @param node B-tree node. |
*/ |
void node_initialize(btree_node_t *node) |
{ |
int i; |
node->keys = 0; |
/* Clean also space for the extra key. */ |
for (i = 0; i < BTREE_MAX_KEYS + 1; i++) { |
node->key[i] = 0; |
node->value[i] = NULL; |
node->subtree[i] = NULL; |
} |
node->subtree[i] = NULL; |
node->parent = NULL; |
link_initialize(&node->leaf_link); |
link_initialize(&node->bfs_link); |
node->depth = 0; |
} |
/** Insert key-value-lsubtree triplet into B-tree node. |
* |
* It is actually possible to have more keys than BTREE_MAX_KEYS. |
* This feature is used during insert by right rotation. |
* |
* @param node B-tree node into wich the new key is to be inserted. |
* @param key The key to be inserted. |
* @param value Pointer to value to be inserted. |
* @param lsubtree Pointer to the left subtree. |
*/ |
void node_insert_key_and_lsubtree(btree_node_t *node, btree_key_t key, void *value, btree_node_t *lsubtree) |
{ |
size_t i; |
for (i = 0; i < node->keys; i++) { |
if (key < node->key[i]) { |
size_t j; |
for (j = node->keys; j > i; j--) { |
node->key[j] = node->key[j - 1]; |
node->value[j] = node->value[j - 1]; |
node->subtree[j + 1] = node->subtree[j]; |
} |
node->subtree[j + 1] = node->subtree[j]; |
break; |
} |
} |
node->key[i] = key; |
node->value[i] = value; |
node->subtree[i] = lsubtree; |
node->keys++; |
} |
/** Insert key-value-rsubtree triplet into B-tree node. |
* |
* It is actually possible to have more keys than BTREE_MAX_KEYS. |
* This feature is used during splitting the node when the |
* number of keys is BTREE_MAX_KEYS + 1. Insert by left rotation |
* also makes use of this feature. |
* |
* @param node B-tree node into wich the new key is to be inserted. |
* @param key The key to be inserted. |
* @param value Pointer to value to be inserted. |
* @param rsubtree Pointer to the right subtree. |
*/ |
void node_insert_key_and_rsubtree(btree_node_t *node, btree_key_t key, void *value, btree_node_t *rsubtree) |
{ |
size_t i; |
for (i = 0; i < node->keys; i++) { |
if (key < node->key[i]) { |
size_t j; |
for (j = node->keys; j > i; j--) { |
node->key[j] = node->key[j - 1]; |
node->value[j] = node->value[j - 1]; |
node->subtree[j + 1] = node->subtree[j]; |
} |
break; |
} |
} |
node->key[i] = key; |
node->value[i] = value; |
node->subtree[i + 1] = rsubtree; |
node->keys++; |
} |
/** Remove key and its left subtree pointer from B-tree node. |
* |
* Remove the key and eliminate gaps in node->key array. |
* Note that the value pointer and the left subtree pointer |
* is removed from the node as well. |
* |
* @param node B-tree node. |
* @param key Key to be removed. |
*/ |
void node_remove_key_and_lsubtree(btree_node_t *node, btree_key_t key) |
{ |
size_t i, j; |
for (i = 0; i < node->keys; i++) { |
if (key == node->key[i]) { |
for (j = i + 1; j < node->keys; j++) { |
node->key[j - 1] = node->key[j]; |
node->value[j - 1] = node->value[j]; |
node->subtree[j - 1] = node->subtree[j]; |
} |
node->subtree[j - 1] = node->subtree[j]; |
node->keys--; |
return; |
} |
} |
panic("Node %p does not contain key %" PRIu64 ".", node, key); |
} |
/** Remove key and its right subtree pointer from B-tree node. |
* |
* Remove the key and eliminate gaps in node->key array. |
* Note that the value pointer and the right subtree pointer |
* is removed from the node as well. |
* |
* @param node B-tree node. |
* @param key Key to be removed. |
*/ |
void node_remove_key_and_rsubtree(btree_node_t *node, btree_key_t key) |
{ |
size_t i, j; |
for (i = 0; i < node->keys; i++) { |
if (key == node->key[i]) { |
for (j = i + 1; j < node->keys; j++) { |
node->key[j - 1] = node->key[j]; |
node->value[j - 1] = node->value[j]; |
node->subtree[j] = node->subtree[j + 1]; |
} |
node->keys--; |
return; |
} |
} |
panic("Node %p does not contain key %" PRIu64 ".", node, key); |
} |
/** Split full B-tree node and insert new key-value-right-subtree triplet. |
* |
* This function will split a node and return a pointer to a newly created |
* node containing keys greater than or equal to the greater of medians |
* (or median) of the old keys and the newly added key. It will also write |
* the median key to a memory address supplied by the caller. |
* |
* If the node being split is an index node, the median will not be |
* included in the new node. If the node is a leaf node, |
* the median will be copied there. |
* |
* @param node B-tree node wich is going to be split. |
* @param key The key to be inserted. |
* @param value Pointer to the value to be inserted. |
* @param rsubtree Pointer to the right subtree of the key being added. |
* @param median Address in memory, where the median key will be stored. |
* |
* @return Newly created right sibling of node. |
*/ |
btree_node_t *node_split(btree_node_t *node, btree_key_t key, void *value, btree_node_t *rsubtree, btree_key_t *median) |
{ |
btree_node_t *rnode; |
size_t i, j; |
ASSERT(median); |
ASSERT(node->keys == BTREE_MAX_KEYS); |
/* |
* Use the extra space to store the extra node. |
*/ |
node_insert_key_and_rsubtree(node, key, value, rsubtree); |
/* |
* Compute median of keys. |
*/ |
*median = MEDIAN_HIGH(node); |
/* |
* Allocate and initialize new right sibling. |
*/ |
rnode = (btree_node_t *) slab_alloc(btree_node_slab, 0); |
node_initialize(rnode); |
rnode->parent = node->parent; |
rnode->depth = node->depth; |
/* |
* Copy big keys, values and subtree pointers to the new right sibling. |
* If this is an index node, do not copy the median. |
*/ |
i = (size_t) INDEX_NODE(node); |
for (i += MEDIAN_HIGH_INDEX(node), j = 0; i < node->keys; i++, j++) { |
rnode->key[j] = node->key[i]; |
rnode->value[j] = node->value[i]; |
rnode->subtree[j] = node->subtree[i]; |
/* |
* Fix parent links in subtrees. |
*/ |
if (rnode->subtree[j]) |
rnode->subtree[j]->parent = rnode; |
} |
rnode->subtree[j] = node->subtree[i]; |
if (rnode->subtree[j]) |
rnode->subtree[j]->parent = rnode; |
rnode->keys = j; /* Set number of keys of the new node. */ |
node->keys /= 2; /* Shrink the old node. */ |
return rnode; |
} |
/** Combine node with any of its siblings. |
* |
* The siblings are required to be below the fill factor. |
* |
* @param node Node to combine with one of its siblings. |
* |
* @return Pointer to the rightmost of the two nodes. |
*/ |
btree_node_t *node_combine(btree_node_t *node) |
{ |
size_t idx; |
btree_node_t *rnode; |
size_t i; |
ASSERT(!ROOT_NODE(node)); |
idx = find_key_by_subtree(node->parent, node, false); |
if (idx == node->parent->keys) { |
/* |
* Rightmost subtree of its parent, combine with the left sibling. |
*/ |
idx--; |
rnode = node; |
node = node->parent->subtree[idx]; |
} else { |
rnode = node->parent->subtree[idx + 1]; |
} |
/* Index nodes need to insert parent node key in between left and right node. */ |
if (INDEX_NODE(node)) |
node->key[node->keys++] = node->parent->key[idx]; |
/* Copy the key-value-subtree triplets from the right node. */ |
for (i = 0; i < rnode->keys; i++) { |
node->key[node->keys + i] = rnode->key[i]; |
node->value[node->keys + i] = rnode->value[i]; |
if (INDEX_NODE(node)) { |
node->subtree[node->keys + i] = rnode->subtree[i]; |
rnode->subtree[i]->parent = node; |
} |
} |
if (INDEX_NODE(node)) { |
node->subtree[node->keys + i] = rnode->subtree[i]; |
rnode->subtree[i]->parent = node; |
} |
node->keys += rnode->keys; |
return rnode; |
} |
/** Find key by its left or right subtree. |
* |
* @param node B-tree node. |
* @param subtree Left or right subtree of a key found in node. |
* @param right If true, subtree is a right subtree. If false, subtree is a left subtree. |
* |
* @return Index of the key associated with the subtree. |
*/ |
size_t find_key_by_subtree(btree_node_t *node, btree_node_t *subtree, bool right) |
{ |
size_t i; |
for (i = 0; i < node->keys + 1; i++) { |
if (subtree == node->subtree[i]) |
return i - (int) (right != false); |
} |
panic("Node %p does not contain subtree %p.", node, subtree); |
} |
/** Rotate one key-value-rsubtree triplet from the left sibling to the right sibling. |
* |
* The biggest key and its value and right subtree is rotated from the left node |
* to the right. If the node is an index node, than the parent node key belonging to |
* the left node takes part in the rotation. |
* |
* @param lnode Left sibling. |
* @param rnode Right sibling. |
* @param idx Index of the parent node key that is taking part in the rotation. |
*/ |
void rotate_from_left(btree_node_t *lnode, btree_node_t *rnode, size_t idx) |
{ |
btree_key_t key; |
key = lnode->key[lnode->keys - 1]; |
if (LEAF_NODE(lnode)) { |
void *value; |
value = lnode->value[lnode->keys - 1]; |
node_remove_key_and_rsubtree(lnode, key); |
node_insert_key_and_lsubtree(rnode, key, value, NULL); |
lnode->parent->key[idx] = key; |
} else { |
btree_node_t *rsubtree; |
rsubtree = lnode->subtree[lnode->keys]; |
node_remove_key_and_rsubtree(lnode, key); |
node_insert_key_and_lsubtree(rnode, lnode->parent->key[idx], NULL, rsubtree); |
lnode->parent->key[idx] = key; |
/* Fix parent link of the reconnected right subtree. */ |
rsubtree->parent = rnode; |
} |
} |
/** Rotate one key-value-lsubtree triplet from the right sibling to the left sibling. |
* |
* The smallest key and its value and left subtree is rotated from the right node |
* to the left. If the node is an index node, than the parent node key belonging to |
* the right node takes part in the rotation. |
* |
* @param lnode Left sibling. |
* @param rnode Right sibling. |
* @param idx Index of the parent node key that is taking part in the rotation. |
*/ |
void rotate_from_right(btree_node_t *lnode, btree_node_t *rnode, size_t idx) |
{ |
btree_key_t key; |
key = rnode->key[0]; |
if (LEAF_NODE(rnode)) { |
void *value; |
value = rnode->value[0]; |
node_remove_key_and_lsubtree(rnode, key); |
node_insert_key_and_rsubtree(lnode, key, value, NULL); |
rnode->parent->key[idx] = rnode->key[0]; |
} else { |
btree_node_t *lsubtree; |
lsubtree = rnode->subtree[0]; |
node_remove_key_and_lsubtree(rnode, key); |
node_insert_key_and_rsubtree(lnode, rnode->parent->key[idx], NULL, lsubtree); |
rnode->parent->key[idx] = key; |
/* Fix parent link of the reconnected left subtree. */ |
lsubtree->parent = lnode; |
} |
} |
/** Insert key-value-rsubtree triplet and rotate the node to the left, if this operation can be done. |
* |
* Left sibling of the node (if it exists) is checked for free space. |
* If there is free space, the key is inserted and the smallest key of |
* the node is moved there. The index node which is the parent of both |
* nodes is fixed. |
* |
* @param node B-tree node. |
* @param inskey Key to be inserted. |
* @param insvalue Value to be inserted. |
* @param rsubtree Right subtree of inskey. |
* |
* @return True if the rotation was performed, false otherwise. |
*/ |
bool try_insert_by_rotation_to_left(btree_node_t *node, btree_key_t inskey, void *insvalue, btree_node_t *rsubtree) |
{ |
size_t idx; |
btree_node_t *lnode; |
/* |
* If this is root node, the rotation can not be done. |
*/ |
if (ROOT_NODE(node)) |
return false; |
idx = find_key_by_subtree(node->parent, node, true); |
if ((int) idx == -1) { |
/* |
* If this node is the leftmost subtree of its parent, |
* the rotation can not be done. |
*/ |
return false; |
} |
lnode = node->parent->subtree[idx]; |
if (lnode->keys < BTREE_MAX_KEYS) { |
/* |
* The rotaion can be done. The left sibling has free space. |
*/ |
node_insert_key_and_rsubtree(node, inskey, insvalue, rsubtree); |
rotate_from_right(lnode, node, idx); |
return true; |
} |
return false; |
} |
/** Insert key-value-rsubtree triplet and rotate the node to the right, if this operation can be done. |
* |
* Right sibling of the node (if it exists) is checked for free space. |
* If there is free space, the key is inserted and the biggest key of |
* the node is moved there. The index node which is the parent of both |
* nodes is fixed. |
* |
* @param node B-tree node. |
* @param inskey Key to be inserted. |
* @param insvalue Value to be inserted. |
* @param rsubtree Right subtree of inskey. |
* |
* @return True if the rotation was performed, false otherwise. |
*/ |
bool try_insert_by_rotation_to_right(btree_node_t *node, btree_key_t inskey, void *insvalue, btree_node_t *rsubtree) |
{ |
size_t idx; |
btree_node_t *rnode; |
/* |
* If this is root node, the rotation can not be done. |
*/ |
if (ROOT_NODE(node)) |
return false; |
idx = find_key_by_subtree(node->parent, node, false); |
if (idx == node->parent->keys) { |
/* |
* If this node is the rightmost subtree of its parent, |
* the rotation can not be done. |
*/ |
return false; |
} |
rnode = node->parent->subtree[idx + 1]; |
if (rnode->keys < BTREE_MAX_KEYS) { |
/* |
* The rotaion can be done. The right sibling has free space. |
*/ |
node_insert_key_and_rsubtree(node, inskey, insvalue, rsubtree); |
rotate_from_left(node, rnode, idx); |
return true; |
} |
return false; |
} |
/** Rotate in a key from the left sibling or from the index node, if this operation can be done. |
* |
* @param rnode Node into which to add key from its left sibling or from the index node. |
* |
* @return True if the rotation was performed, false otherwise. |
*/ |
bool try_rotation_from_left(btree_node_t *rnode) |
{ |
size_t idx; |
btree_node_t *lnode; |
/* |
* If this is root node, the rotation can not be done. |
*/ |
if (ROOT_NODE(rnode)) |
return false; |
idx = find_key_by_subtree(rnode->parent, rnode, true); |
if ((int) idx == -1) { |
/* |
* If this node is the leftmost subtree of its parent, |
* the rotation can not be done. |
*/ |
return false; |
} |
lnode = rnode->parent->subtree[idx]; |
if (lnode->keys > FILL_FACTOR) { |
rotate_from_left(lnode, rnode, idx); |
return true; |
} |
return false; |
} |
/** Rotate in a key from the right sibling or from the index node, if this operation can be done. |
* |
* @param lnode Node into which to add key from its right sibling or from the index node. |
* |
* @return True if the rotation was performed, false otherwise. |
*/ |
bool try_rotation_from_right(btree_node_t *lnode) |
{ |
size_t idx; |
btree_node_t *rnode; |
/* |
* If this is root node, the rotation can not be done. |
*/ |
if (ROOT_NODE(lnode)) |
return false; |
idx = find_key_by_subtree(lnode->parent, lnode, false); |
if (idx == lnode->parent->keys) { |
/* |
* If this node is the rightmost subtree of its parent, |
* the rotation can not be done. |
*/ |
return false; |
} |
rnode = lnode->parent->subtree[idx + 1]; |
if (rnode->keys > FILL_FACTOR) { |
rotate_from_right(lnode, rnode, idx); |
return true; |
} |
return false; |
} |
/** Print B-tree. |
* |
* @param t Print out B-tree. |
*/ |
void btree_print(btree_t *t) |
{ |
size_t i; |
int depth = t->root->depth; |
link_t head, *cur; |
printf("Printing B-tree:\n"); |
list_initialize(&head); |
list_append(&t->root->bfs_link, &head); |
/* |
* Use BFS search to print out the tree. |
* Levels are distinguished from one another by node->depth. |
*/ |
while (!list_empty(&head)) { |
link_t *hlp; |
btree_node_t *node; |
hlp = head.next; |
ASSERT(hlp != &head); |
node = list_get_instance(hlp, btree_node_t, bfs_link); |
list_remove(hlp); |
ASSERT(node); |
if (node->depth != depth) { |
printf("\n"); |
depth = node->depth; |
} |
printf("("); |
for (i = 0; i < node->keys; i++) { |
printf("%" PRIu64 "%s", node->key[i], i < node->keys - 1 ? "," : ""); |
if (node->depth && node->subtree[i]) { |
list_append(&node->subtree[i]->bfs_link, &head); |
} |
} |
if (node->depth && node->subtree[i]) { |
list_append(&node->subtree[i]->bfs_link, &head); |
} |
printf(")"); |
} |
printf("\n"); |
printf("Printing list of leaves:\n"); |
for (cur = t->leaf_head.next; cur != &t->leaf_head; cur = cur->next) { |
btree_node_t *node; |
node = list_get_instance(cur, btree_node_t, leaf_link); |
ASSERT(node); |
printf("("); |
for (i = 0; i < node->keys; i++) |
printf("%" PRIu64 "%s", node->key[i], i < node->keys - 1 ? "," : ""); |
printf(")"); |
} |
printf("\n"); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/adt/hash_table.c |
---|
0,0 → 1,189 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericadt |
* @{ |
*/ |
/** |
* @file |
* @brief Implementation of generic chained hash table. |
* |
* This file contains implementation of generic chained hash table. |
*/ |
#include <adt/hash_table.h> |
#include <adt/list.h> |
#include <arch/types.h> |
#include <debug.h> |
#include <mm/slab.h> |
#include <memstr.h> |
/** Create chained hash table. |
* |
* @param h Hash table structure. Will be initialized by this call. |
* @param m Number of slots in the hash table. |
* @param max_keys Maximal number of keys needed to identify an item. |
* @param op Hash table operations structure. |
*/ |
void hash_table_create(hash_table_t *h, size_t m, size_t max_keys, hash_table_operations_t *op) |
{ |
size_t i; |
ASSERT(h); |
ASSERT(op); |
ASSERT(op->hash); |
ASSERT(op->compare); |
ASSERT(max_keys > 0); |
h->entry = (link_t *) malloc(m * sizeof(link_t), 0); |
if (!h->entry) |
panic("Cannot allocate memory for hash table."); |
memsetb(h->entry, m * sizeof(link_t), 0); |
for (i = 0; i < m; i++) |
list_initialize(&h->entry[i]); |
h->entries = m; |
h->max_keys = max_keys; |
h->op = op; |
} |
/** Insert item into hash table. |
* |
* @param h Hash table. |
* @param key Array of all keys necessary to compute hash index. |
* @param item Item to be inserted into the hash table. |
*/ |
void hash_table_insert(hash_table_t *h, unative_t key[], link_t *item) |
{ |
size_t chain; |
ASSERT(item); |
ASSERT(h); |
ASSERT(h->op); |
ASSERT(h->op->hash); |
ASSERT(h->op->compare); |
chain = h->op->hash(key); |
ASSERT(chain < h->entries); |
list_append(item, &h->entry[chain]); |
} |
/** Search hash table for an item matching keys. |
* |
* @param h Hash table. |
* @param key Array of all keys needed to compute hash index. |
* |
* @return Matching item on success, NULL if there is no such item. |
*/ |
link_t *hash_table_find(hash_table_t *h, unative_t key[]) |
{ |
link_t *cur; |
size_t chain; |
ASSERT(h); |
ASSERT(h->op); |
ASSERT(h->op->hash); |
ASSERT(h->op->compare); |
chain = h->op->hash(key); |
ASSERT(chain < h->entries); |
for (cur = h->entry[chain].next; cur != &h->entry[chain]; cur = cur->next) { |
if (h->op->compare(key, h->max_keys, cur)) { |
/* |
* The entry is there. |
*/ |
return cur; |
} |
} |
return NULL; |
} |
/** Remove all matching items from hash table. |
* |
* For each removed item, h->remove_callback() is called (if not NULL). |
* |
* @param h Hash table. |
* @param key Array of keys that will be compared against items of the hash table. |
* @param keys Number of keys in the key array. |
*/ |
void hash_table_remove(hash_table_t *h, unative_t key[], size_t keys) |
{ |
size_t chain; |
link_t *cur; |
ASSERT(h); |
ASSERT(h->op); |
ASSERT(h->op->hash); |
ASSERT(h->op->compare); |
ASSERT(keys <= h->max_keys); |
if (keys == h->max_keys) { |
/* |
* All keys are known, hash_table_find() can be used to find the entry. |
*/ |
cur = hash_table_find(h, key); |
if (cur) { |
list_remove(cur); |
if (h->op->remove_callback) |
h->op->remove_callback(cur); |
} |
return; |
} |
/* |
* Fewer keys were passed. |
* Any partially matching entries are to be removed. |
*/ |
for (chain = 0; chain < h->entries; chain++) { |
for (cur = h->entry[chain].next; cur != &h->entry[chain]; cur = cur->next) { |
if (h->op->compare(key, keys, cur)) { |
link_t *hlp; |
hlp = cur; |
cur = cur->prev; |
list_remove(hlp); |
if (h->op->remove_callback) |
h->op->remove_callback(hlp); |
continue; |
} |
} |
} |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/adt/bitmap.c |
---|
0,0 → 1,188 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericadt |
* @{ |
*/ |
/** |
* @file |
* @brief Implementation of bitmap ADT. |
* |
* This file implements bitmap ADT and provides functions for |
* setting and clearing ranges of bits. |
*/ |
#include <adt/bitmap.h> |
#include <arch/types.h> |
#include <align.h> |
#include <debug.h> |
#include <macros.h> |
#define ALL_ONES 0xff |
#define ALL_ZEROES 0x00 |
/** Initialize bitmap. |
* |
* No portion of the bitmap is set or cleared by this function. |
* |
* @param bitmap Bitmap structure. |
* @param map Address of the memory used to hold the map. |
* @param bits Number of bits stored in bitmap. |
*/ |
void bitmap_initialize(bitmap_t *bitmap, uint8_t *map, size_t bits) |
{ |
bitmap->map = map; |
bitmap->bits = bits; |
} |
/** Set range of bits. |
* |
* @param bitmap Bitmap structure. |
* @param start Starting bit. |
* @param bits Number of bits to set. |
*/ |
void bitmap_set_range(bitmap_t *bitmap, size_t start, size_t bits) |
{ |
size_t i = 0; |
size_t aligned_start; |
size_t lub; /* leading unaligned bits */ |
size_t amb; /* aligned middle bits */ |
size_t tab; /* trailing aligned bits */ |
ASSERT(start + bits <= bitmap->bits); |
aligned_start = ALIGN_UP(start, 8); |
lub = min(aligned_start - start, bits); |
amb = bits > lub ? bits - lub : 0; |
tab = amb % 8; |
if ( start + bits < aligned_start ) { |
/* |
* Set bits in the middle of byte |
*/ |
bitmap->map[start / 8] |= ((1 << lub)-1) << (start&7); |
return; |
} |
if (lub) { |
/* |
* Make sure to set any leading unaligned bits. |
*/ |
bitmap->map[start / 8] |= ~((1 << (8 - lub)) - 1); |
} |
for (i = 0; i < amb / 8; i++) { |
/* |
* The middle bits can be set byte by byte. |
*/ |
bitmap->map[aligned_start / 8 + i] = ALL_ONES; |
} |
if (tab) { |
/* |
* Make sure to set any trailing aligned bits. |
*/ |
bitmap->map[aligned_start / 8 + i] |= (1 << tab) - 1; |
} |
} |
/** Clear range of bits. |
* |
* @param bitmap Bitmap structure. |
* @param start Starting bit. |
* @param bits Number of bits to clear. |
*/ |
void bitmap_clear_range(bitmap_t *bitmap, size_t start, size_t bits) |
{ |
size_t i = 0; |
size_t aligned_start; |
size_t lub; /* leading unaligned bits */ |
size_t amb; /* aligned middle bits */ |
size_t tab; /* trailing aligned bits */ |
ASSERT(start + bits <= bitmap->bits); |
aligned_start = ALIGN_UP(start, 8); |
lub = min(aligned_start - start, bits); |
amb = bits > lub ? bits - lub : 0; |
tab = amb % 8; |
if ( start + bits < aligned_start ) |
{ |
/* |
* Set bits in the middle of byte |
*/ |
bitmap->map[start / 8] &= ~(((1 << lub)-1) << (start&7)); |
return; |
} |
if (lub) { |
/* |
* Make sure to clear any leading unaligned bits. |
*/ |
bitmap->map[start / 8] &= (1 << (8 - lub)) - 1; |
} |
for (i = 0; i < amb / 8; i++) { |
/* |
* The middle bits can be cleared byte by byte. |
*/ |
bitmap->map[aligned_start / 8 + i] = ALL_ZEROES; |
} |
if (tab) { |
/* |
* Make sure to clear any trailing aligned bits. |
*/ |
bitmap->map[aligned_start / 8 + i] &= ~((1 << tab) - 1); |
} |
} |
/** Copy portion of one bitmap into another bitmap. |
* |
* @param dst Destination bitmap. |
* @param src Source bitmap. |
* @param bits Number of bits to copy. |
*/ |
void bitmap_copy(bitmap_t *dst, bitmap_t *src, size_t bits) |
{ |
size_t i; |
ASSERT(bits <= dst->bits); |
ASSERT(bits <= src->bits); |
for (i = 0; i < bits / 8; i++) |
dst->map[i] = src->map[i]; |
if (bits % 8) { |
bitmap_clear_range(dst, i * 8, bits % 8); |
dst->map[i] |= src->map[i] & ((1 << (bits % 8)) - 1); |
} |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/adt/avl.c |
---|
0,0 → 1,730 |
/* |
* Copyright (c) 2007 Vojtech Mencl |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericadt |
* @{ |
*/ |
/** |
* @file |
* @brief AVL tree implementation. |
* |
* This file implements AVL tree type and operations. |
* |
* Implemented AVL tree has the following properties: |
* @li It is a binary search tree with non-unique keys. |
* @li Difference of heights of the left and the right subtree of every node is |
* one at maximum. |
* |
* Every node has a pointer to its parent which allows insertion of multiple |
* identical keys into the tree. |
* |
* Be careful when using this tree because of the base atribute which is added |
* to every inserted node key. There is no rule in which order nodes with the |
* same key are visited. |
*/ |
#include <adt/avl.h> |
#include <debug.h> |
#define LEFT 0 |
#define RIGHT 1 |
/** Search for the first occurence of the given key in an AVL tree. |
* |
* @param t AVL tree. |
* @param key Key to be searched. |
* |
* @return Pointer to a node or NULL if there is no such key. |
*/ |
avltree_node_t *avltree_search(avltree_t *t, avltree_key_t key) |
{ |
avltree_node_t *p; |
/* |
* Iteratively descend to the leaf that can contain the searched key. |
*/ |
p = t->root; |
while (p != NULL) { |
if (p->key > key) |
p = p->lft; |
else if (p->key < key) |
p = p->rgt; |
else |
return p; |
} |
return NULL; |
} |
/** Find the node with the smallest key in an AVL tree. |
* |
* @param t AVL tree. |
* |
* @return Pointer to a node or NULL if there is no node in the tree. |
*/ |
avltree_node_t *avltree_find_min(avltree_t *t) |
{ |
avltree_node_t *p = t->root; |
/* |
* Check whether the tree is empty. |
*/ |
if (!p) |
return NULL; |
/* |
* Iteratively descend to the leftmost leaf in the tree. |
*/ |
while (p->lft != NULL) |
p = p->lft; |
return p; |
} |
#define REBALANCE_INSERT_XX(DIR1, DIR2) \ |
top->DIR1 = par->DIR2; \ |
if (top->DIR1 != NULL) \ |
top->DIR1->par = top; \ |
par->par = top->par; \ |
top->par = par; \ |
par->DIR2 = top; \ |
par->balance = 0; \ |
top->balance = 0; \ |
*dpc = par; |
#define REBALANCE_INSERT_LL() REBALANCE_INSERT_XX(lft, rgt) |
#define REBALANCE_INSERT_RR() REBALANCE_INSERT_XX(rgt, lft) |
#define REBALANCE_INSERT_XY(DIR1, DIR2, SGN) \ |
gpa = par->DIR2; \ |
par->DIR2 = gpa->DIR1; \ |
if (gpa->DIR1 != NULL) \ |
gpa->DIR1->par = par; \ |
gpa->DIR1 = par; \ |
par->par = gpa; \ |
top->DIR1 = gpa->DIR2; \ |
if (gpa->DIR2 != NULL) \ |
gpa->DIR2->par = top; \ |
gpa->DIR2 = top; \ |
gpa->par = top->par; \ |
top->par = gpa; \ |
\ |
if (gpa->balance == -1 * SGN) { \ |
par->balance = 0; \ |
top->balance = 1 * SGN; \ |
} else if (gpa->balance == 0) { \ |
par->balance = 0; \ |
top->balance = 0; \ |
} else { \ |
par->balance = -1 * SGN; \ |
top->balance = 0; \ |
} \ |
gpa->balance = 0; \ |
*dpc = gpa; |
#define REBALANCE_INSERT_LR() REBALANCE_INSERT_XY(lft, rgt, 1) |
#define REBALANCE_INSERT_RL() REBALANCE_INSERT_XY(rgt, lft, -1) |
/** Insert new node into AVL tree. |
* |
* @param t AVL tree. |
* @param newnode New node to be inserted. |
*/ |
void avltree_insert(avltree_t *t, avltree_node_t *newnode) |
{ |
avltree_node_t *par; |
avltree_node_t *gpa; |
avltree_node_t *top; |
avltree_node_t **dpc; |
avltree_key_t key; |
ASSERT(t); |
ASSERT(newnode); |
/* |
* Creating absolute key. |
*/ |
key = newnode->key + t->base; |
/* |
* Iteratively descend to the leaf that can contain the new node. |
* Last node with non-zero balance in the way to leaf is stored as top - |
* it is a place of possible inbalance. |
*/ |
dpc = &t->root; |
gpa = NULL; |
top = t->root; |
while ((par = (*dpc)) != NULL) { |
if (par->balance != 0) { |
top = par; |
} |
gpa = par; |
dpc = par->key > key ? &par->lft: &par->rgt; |
} |
/* |
* Initialize the new node. |
*/ |
newnode->key = key; |
newnode->lft = NULL; |
newnode->rgt = NULL; |
newnode->par = gpa; |
newnode->balance = 0; |
/* |
* Insert first node into the empty tree. |
*/ |
if (t->root == NULL) { |
*dpc = newnode; |
return; |
} |
/* |
* Insert the new node into the previously found leaf position. |
*/ |
*dpc = newnode; |
/* |
* If the tree contains one node - end. |
*/ |
if (top == NULL) |
return; |
/* |
* Store pointer of top's father which points to the node with |
* potentially broken balance (top). |
*/ |
if (top->par == NULL) { |
dpc = &t->root; |
} else { |
if (top->par->lft == top) |
dpc = &top->par->lft; |
else |
dpc = &top->par->rgt; |
} |
/* |
* Repair all balances on the way from top node to the newly inserted |
* node. |
*/ |
par = top; |
while (par != newnode) { |
if (par->key > key) { |
par->balance--; |
par = par->lft; |
} else { |
par->balance++; |
par = par->rgt; |
} |
} |
/* |
* To balance the tree, we must check and balance top node. |
*/ |
if (top->balance == -2) { |
par = top->lft; |
if (par->balance == -1) { |
/* |
* LL rotation. |
*/ |
REBALANCE_INSERT_LL(); |
} else { |
/* |
* LR rotation. |
*/ |
ASSERT(par->balance == 1); |
REBALANCE_INSERT_LR(); |
} |
} else if (top->balance == 2) { |
par = top->rgt; |
if (par->balance == 1) { |
/* |
* RR rotation. |
*/ |
REBALANCE_INSERT_RR(); |
} else { |
/* |
* RL rotation. |
*/ |
ASSERT(par->balance == -1); |
REBALANCE_INSERT_RL(); |
} |
} else { |
/* |
* Balance is not broken, insertion is finised. |
*/ |
return; |
} |
} |
/** Repair the tree after reparenting node u. |
* |
* If node u has no parent, mark it as the root of the whole tree. Otherwise |
* node v represents stale address of one of the children of node u's parent. |
* Replace v with w as node u parent's child (for most uses, u and w will be the |
* same). |
* |
* @param t AVL tree. |
* @param u Node whose new parent has a stale child pointer. |
* @param v Stale child of node u's new parent. |
* @param w New child of node u's new parent. |
* @param dir If not NULL, address of the variable where to store information |
* about whether w replaced v in the left or the right subtree of |
* u's new parent. |
* @param ro Read only operation; do not modify any tree pointers. This is |
* useful for tracking direction via the dir pointer. |
* |
* @return Zero if w became the new root of the tree, otherwise return |
* non-zero. |
*/ |
static int |
repair(avltree_t *t, avltree_node_t *u, avltree_node_t *v, avltree_node_t *w, |
int *dir, int ro) |
{ |
if (u->par == NULL) { |
if (!ro) |
t->root = w; |
return 0; |
} else { |
if (u->par->lft == v) { |
if (!ro) |
u->par->lft = w; |
if (dir) |
*dir = LEFT; |
} else { |
ASSERT(u->par->rgt == v); |
if (!ro) |
u->par->rgt = w; |
if (dir) |
*dir = RIGHT; |
} |
} |
return 1; |
} |
#define REBALANCE_DELETE(DIR1, DIR2, SIGN) \ |
if (cur->balance == -1 * SIGN) { \ |
par->balance = 0; \ |
gpa->balance = 1 * SIGN; \ |
if (gpa->DIR1) \ |
gpa->DIR1->par = gpa; \ |
par->DIR2->par = par; \ |
} else if (cur->balance == 0) { \ |
par->balance = 0; \ |
gpa->balance = 0; \ |
if (gpa->DIR1) \ |
gpa->DIR1->par = gpa; \ |
if (par->DIR2) \ |
par->DIR2->par = par; \ |
} else { \ |
par->balance = -1 * SIGN; \ |
gpa->balance = 0; \ |
if (par->DIR2) \ |
par->DIR2->par = par; \ |
gpa->DIR1->par = gpa; \ |
} \ |
cur->balance = 0; |
#define REBALANCE_DELETE_LR() REBALANCE_DELETE(lft, rgt, 1) |
#define REBALANCE_DELETE_RL() REBALANCE_DELETE(rgt, lft, -1) |
/** Delete a node from the AVL tree. |
* |
* Because multiple identical keys are allowed, the parent pointers are |
* essential during deletion. |
* |
* @param t AVL tree structure. |
* @param node Address of the node which will be deleted. |
*/ |
void avltree_delete(avltree_t *t, avltree_node_t *node) |
{ |
avltree_node_t *cur; |
avltree_node_t *par; |
avltree_node_t *gpa; |
int dir; |
ASSERT(t); |
ASSERT(node); |
if (node->lft == NULL) { |
if (node->rgt) { |
/* |
* Replace the node with its only right son. |
* |
* Balance of the right son will be repaired in the |
* balancing cycle. |
*/ |
cur = node->rgt; |
cur->par = node->par; |
gpa = cur; |
dir = RIGHT; |
cur->balance = node->balance; |
} else { |
if (node->par == NULL) { |
/* |
* The tree has only one node - it will become |
* an empty tree and the balancing can end. |
*/ |
t->root = NULL; |
return; |
} |
/* |
* The node has no child, it will be deleted with no |
* substitution. |
*/ |
gpa = node->par; |
cur = NULL; |
dir = (gpa->lft == node) ? LEFT: RIGHT; |
} |
} else { |
/* |
* The node has the left son. Find a node with the smallest key |
* in the left subtree and replace the deleted node with that |
* node. |
*/ |
for (cur = node->lft; cur->rgt != NULL; cur = cur->rgt) |
; |
if (cur != node->lft) { |
/* |
* The rightmost node of the deleted node's left subtree |
* was found. Replace the deleted node with this node. |
* Cutting off of the found node has two cases that |
* depend on its left son. |
*/ |
if (cur->lft) { |
/* |
* The found node has a left son. |
*/ |
gpa = cur->lft; |
gpa->par = cur->par; |
dir = LEFT; |
gpa->balance = cur->balance; |
} else { |
dir = RIGHT; |
gpa = cur->par; |
} |
cur->par->rgt = cur->lft; |
cur->lft = node->lft; |
cur->lft->par = cur; |
} else { |
/* |
* The left son of the node hasn't got a right son. The |
* left son will take the deleted node's place. |
*/ |
dir = LEFT; |
gpa = cur; |
} |
if (node->rgt) |
node->rgt->par = cur; |
cur->rgt = node->rgt; |
cur->balance = node->balance; |
cur->par = node->par; |
} |
/* |
* Repair the parent node's pointer which pointed previously to the |
* deleted node. |
*/ |
(void) repair(t, node, node, cur, NULL, false); |
/* |
* Repair cycle which repairs balances of nodes on the way from from the |
* cut-off node up to the root. |
*/ |
for (;;) { |
if (dir == LEFT) { |
/* |
* Deletion was made in the left subtree. |
*/ |
gpa->balance++; |
if (gpa->balance == 1) { |
/* |
* Stop balancing, the tree is balanced. |
*/ |
break; |
} else if (gpa->balance == 2) { |
/* |
* Bad balance, heights of left and right |
* subtrees differ more than by one. |
*/ |
par = gpa->rgt; |
if (par->balance == -1) { |
/* |
* RL rotation. |
*/ |
cur = par->lft; |
par->lft = cur->rgt; |
cur->rgt = par; |
gpa->rgt = cur->lft; |
cur->lft = gpa; |
/* |
* Repair balances and paternity of |
* children, depending on the balance |
* factor of the grand child (cur). |
*/ |
REBALANCE_DELETE_RL(); |
/* |
* Repair paternity. |
*/ |
cur->par = gpa->par; |
gpa->par = cur; |
par->par = cur; |
if (!repair(t, cur, gpa, cur, &dir, |
false)) |
break; |
gpa = cur->par; |
} else { |
/* |
* RR rotation. |
*/ |
gpa->rgt = par->lft; |
if (par->lft) |
par->lft->par = gpa; |
par->lft = gpa; |
/* |
* Repair paternity. |
*/ |
par->par = gpa->par; |
gpa->par = par; |
if (par->balance == 0) { |
/* |
* The right child of the |
* balanced node is balanced, |
* after RR rotation is done, |
* the whole tree will be |
* balanced. |
*/ |
par->balance = -1; |
gpa->balance = 1; |
(void) repair(t, par, gpa, par, |
NULL, false); |
break; |
} else { |
par->balance = 0; |
gpa->balance = 0; |
if (!repair(t, par, gpa, par, |
&dir, false)) |
break; |
} |
gpa = par->par; |
} |
} else { |
/* |
* Repair the pointer which pointed to the |
* balanced node. If it was root then balancing |
* is finished else continue with the next |
* iteration (parent node). |
*/ |
if (!repair(t, gpa, gpa, NULL, &dir, true)) |
break; |
gpa = gpa->par; |
} |
} else { |
/* |
* Deletion was made in the right subtree. |
*/ |
gpa->balance--; |
if (gpa->balance == -1) { |
/* |
* Stop balancing, the tree is balanced. |
*/ |
break; |
} else if (gpa->balance == -2) { |
/* |
* Bad balance, heights of left and right |
* subtrees differ more than by one. |
*/ |
par = gpa->lft; |
if (par->balance == 1) { |
/* |
* LR rotation. |
*/ |
cur = par->rgt; |
par->rgt = cur->lft; |
cur->lft = par; |
gpa->lft = cur->rgt; |
cur->rgt = gpa; |
/* |
* Repair balances and paternity of |
* children, depending on the balance |
* factor of the grand child (cur). |
*/ |
REBALANCE_DELETE_LR(); |
/* |
* Repair paternity. |
*/ |
cur->par = gpa->par; |
gpa->par = cur; |
par->par = cur; |
if (!repair(t, cur, gpa, cur, &dir, |
false)) |
break; |
gpa = cur->par; |
} else { |
/* |
* LL rotation. |
*/ |
gpa->lft = par->rgt; |
if (par->rgt) |
par->rgt->par = gpa; |
par->rgt = gpa; |
/* |
* Repair paternity. |
*/ |
par->par = gpa->par; |
gpa->par = par; |
if (par->balance == 0) { |
/* |
* The left child of the |
* balanced node is balanced, |
* after LL rotation is done, |
* the whole tree will be |
* balanced. |
*/ |
par->balance = 1; |
gpa->balance = -1; |
(void) repair(t, par, gpa, par, |
NULL, false); |
break; |
} else { |
par->balance = 0; |
gpa->balance = 0; |
if (!repair(t, par, gpa, par, |
&dir, false)) |
break; |
} |
gpa = par->par; |
} |
} else { |
/* |
* Repair the pointer which pointed to the |
* balanced node. If it was root then balancing |
* is finished. Otherwise continue with the next |
* iteration (parent node). |
*/ |
if (!repair(t, gpa, gpa, NULL, &dir, true)) |
break; |
gpa = gpa->par; |
} |
} |
} |
} |
/** Delete a node with the smallest key from the AVL tree. |
* |
* @param t AVL tree structure. |
*/ |
bool avltree_delete_min(avltree_t *t) |
{ |
avltree_node_t *node; |
/* |
* Start searching for the smallest key in the tree starting in the root |
* node and continue in cycle to the leftmost node in the tree (which |
* must have the smallest key). |
*/ |
node = t->root; |
if (!node) |
return false; |
while (node->lft != NULL) |
node = node->lft; |
avltree_delete(t, node); |
return true; |
} |
/** Walk a subtree of an AVL tree in-order and apply a supplied walker on each |
* visited node. |
* |
* @param node Node representing the root of an AVL subtree to be |
* walked. |
* @param walker Walker function that will be appliad on each visited |
* node. |
* @param arg Argument for the walker. |
* |
* @return Zero if the walk should stop or non-zero otherwise. |
*/ |
static bool _avltree_walk(avltree_node_t *node, avltree_walker_t walker, |
void *arg) |
{ |
if (node->lft) { |
if (!_avltree_walk(node->lft, walker, arg)) |
return false; |
} |
if (!walker(node, arg)) |
return false; |
if (node->rgt) { |
if (!_avltree_walk(node->rgt, walker, arg)) |
return false; |
} |
return true; |
} |
/** Walk the AVL tree in-order and apply the walker function on each visited |
* node. |
* |
* @param t AVL tree to be walked. |
* @param walker Walker function that will be called on each visited |
* node. |
* @param arg Argument for the walker. |
*/ |
void avltree_walk(avltree_t *t, avltree_walker_t walker, void *arg) |
{ |
_avltree_walk(t->root, walker, arg); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/adt/list.c |
---|
0,0 → 1,94 |
/* |
* Copyright (c) 2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericadt |
* @{ |
*/ |
/** |
* @file |
* @brief Functions completing doubly linked circular list implementaion. |
* |
* This file contains some of the functions implementing doubly linked circular lists. |
* However, this ADT is mostly implemented in @ref list.h. |
*/ |
#include <adt/list.h> |
/** Check for membership |
* |
* Check whether link is contained in the list head. |
* The membership is defined as pointer equivalence. |
* |
* @param link Item to look for. |
* @param head List to look in. |
* |
* @return true if link is contained in head, false otherwise. |
* |
*/ |
bool list_member(const link_t *link, const link_t *head) |
{ |
bool found = false; |
link_t *hlp = head->next; |
while (hlp != head) { |
if (hlp == link) { |
found = true; |
break; |
} |
hlp = hlp->next; |
} |
return found; |
} |
/** Concatenate two lists |
* |
* Concatenate lists head1 and head2, producing a single |
* list head1 containing items from both (in head1, head2 |
* order) and empty list head2. |
* |
* @param head1 First list and concatenated output |
* @param head2 Second list and empty output. |
* |
*/ |
void list_concat(link_t *head1, link_t *head2) |
{ |
if (list_empty(head2)) |
return; |
head2->next->prev = head1->prev; |
head2->prev->next = head1; |
head1->prev->next = head2->next; |
head1->prev = head2->prev; |
list_initialize(head2); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/mm/slab.c |
---|
0,0 → 1,986 |
/* |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericmm |
* @{ |
*/ |
/** |
* @file |
* @brief Slab allocator. |
* |
* The slab allocator is closely modelled after OpenSolaris slab allocator. |
* @see http://www.usenix.org/events/usenix01/full_papers/bonwick/bonwick_html/ |
* |
* with the following exceptions: |
* @li empty slabs are deallocated immediately |
* (in Linux they are kept in linked list, in Solaris ???) |
* @li empty magazines are deallocated when not needed |
* (in Solaris they are held in linked list in slab cache) |
* |
* Following features are not currently supported but would be easy to do: |
* @li cache coloring |
* @li dynamic magazine growing (different magazine sizes are already |
* supported, but we would need to adjust allocation strategy) |
* |
* The slab allocator supports per-CPU caches ('magazines') to facilitate |
* good SMP scaling. |
* |
* When a new object is being allocated, it is first checked, if it is |
* available in a CPU-bound magazine. If it is not found there, it is |
* allocated from a CPU-shared slab - if a partially full one is found, |
* it is used, otherwise a new one is allocated. |
* |
* When an object is being deallocated, it is put to a CPU-bound magazine. |
* If there is no such magazine, a new one is allocated (if this fails, |
* the object is deallocated into slab). If the magazine is full, it is |
* put into cpu-shared list of magazines and a new one is allocated. |
* |
* The CPU-bound magazine is actually a pair of magazines in order to avoid |
* thrashing when somebody is allocating/deallocating 1 item at the magazine |
* size boundary. LIFO order is enforced, which should avoid fragmentation |
* as much as possible. |
* |
* Every cache contains list of full slabs and list of partially full slabs. |
* Empty slabs are immediately freed (thrashing will be avoided because |
* of magazines). |
* |
* The slab information structure is kept inside the data area, if possible. |
* The cache can be marked that it should not use magazines. This is used |
* only for slab related caches to avoid deadlocks and infinite recursion |
* (the slab allocator uses itself for allocating all it's control structures). |
* |
* The slab allocator allocates a lot of space and does not free it. When |
* the frame allocator fails to allocate a frame, it calls slab_reclaim(). |
* It tries 'light reclaim' first, then brutal reclaim. The light reclaim |
* releases slabs from cpu-shared magazine-list, until at least 1 slab |
* is deallocated in each cache (this algorithm should probably change). |
* The brutal reclaim removes all cached objects, even from CPU-bound |
* magazines. |
* |
* @todo |
* For better CPU-scaling the magazine allocation strategy should |
* be extended. Currently, if the cache does not have magazine, it asks |
* for non-cpu cached magazine cache to provide one. It might be feasible |
* to add cpu-cached magazine cache (which would allocate it's magazines |
* from non-cpu-cached mag. cache). This would provide a nice per-cpu |
* buffer. The other possibility is to use the per-cache |
* 'empty-magazine-list', which decreases competing for 1 per-system |
* magazine cache. |
* |
* @todo |
* it might be good to add granularity of locks even to slab level, |
* we could then try_spinlock over all partial slabs and thus improve |
* scalability even on slab level |
*/ |
#include <synch/spinlock.h> |
#include <mm/slab.h> |
#include <adt/list.h> |
#include <memstr.h> |
#include <align.h> |
#include <mm/frame.h> |
#include <config.h> |
#include <print.h> |
#include <arch.h> |
#include <panic.h> |
#include <debug.h> |
#include <bitops.h> |
#include <macros.h> |
SPINLOCK_INITIALIZE(slab_cache_lock); |
static LIST_INITIALIZE(slab_cache_list); |
/** Magazine cache */ |
static slab_cache_t mag_cache; |
/** Cache for cache descriptors */ |
static slab_cache_t slab_cache_cache; |
/** Cache for external slab descriptors |
* This time we want per-cpu cache, so do not make it static |
* - using slab for internal slab structures will not deadlock, |
* as all slab structures are 'small' - control structures of |
* their caches do not require further allocation |
*/ |
static slab_cache_t *slab_extern_cache; |
/** Caches for malloc */ |
static slab_cache_t *malloc_caches[SLAB_MAX_MALLOC_W - SLAB_MIN_MALLOC_W + 1]; |
static char *malloc_names[] = { |
"malloc-16", |
"malloc-32", |
"malloc-64", |
"malloc-128", |
"malloc-256", |
"malloc-512", |
"malloc-1K", |
"malloc-2K", |
"malloc-4K", |
"malloc-8K", |
"malloc-16K", |
"malloc-32K", |
"malloc-64K", |
"malloc-128K", |
"malloc-256K", |
"malloc-512K", |
"malloc-1M", |
"malloc-2M", |
"malloc-4M" |
}; |
/** Slab descriptor */ |
typedef struct { |
slab_cache_t *cache; /**< Pointer to parent cache. */ |
link_t link; /**< List of full/partial slabs. */ |
void *start; /**< Start address of first available item. */ |
size_t available; /**< Count of available items in this slab. */ |
size_t nextavail; /**< The index of next available item. */ |
} slab_t; |
#ifdef CONFIG_DEBUG |
static int _slab_initialized = 0; |
#endif |
/**************************************/ |
/* Slab allocation functions */ |
/** |
* Allocate frames for slab space and initialize |
* |
*/ |
static slab_t *slab_space_alloc(slab_cache_t *cache, int flags) |
{ |
void *data; |
slab_t *slab; |
size_t fsize; |
unsigned int i; |
size_t zone = 0; |
data = frame_alloc_generic(cache->order, FRAME_KA | flags, &zone); |
if (!data) { |
return NULL; |
} |
if (!(cache->flags & SLAB_CACHE_SLINSIDE)) { |
slab = slab_alloc(slab_extern_cache, flags); |
if (!slab) { |
frame_free(KA2PA(data)); |
return NULL; |
} |
} else { |
fsize = (PAGE_SIZE << cache->order); |
slab = data + fsize - sizeof(*slab); |
} |
/* Fill in slab structures */ |
for (i = 0; i < ((unsigned int) 1 << cache->order); i++) |
frame_set_parent(ADDR2PFN(KA2PA(data)) + i, slab, zone); |
slab->start = data; |
slab->available = cache->objects; |
slab->nextavail = 0; |
slab->cache = cache; |
for (i = 0; i < cache->objects; i++) |
*((int *) (slab->start + i*cache->size)) = i + 1; |
atomic_inc(&cache->allocated_slabs); |
return slab; |
} |
/** |
* Deallocate space associated with slab |
* |
* @return number of freed frames |
*/ |
static size_t slab_space_free(slab_cache_t *cache, slab_t *slab) |
{ |
frame_free(KA2PA(slab->start)); |
if (! (cache->flags & SLAB_CACHE_SLINSIDE)) |
slab_free(slab_extern_cache, slab); |
atomic_dec(&cache->allocated_slabs); |
return 1 << cache->order; |
} |
/** Map object to slab structure */ |
static slab_t * obj2slab(void *obj) |
{ |
return (slab_t *) frame_get_parent(ADDR2PFN(KA2PA(obj)), 0); |
} |
/**************************************/ |
/* Slab functions */ |
/** |
* Return object to slab and call a destructor |
* |
* @param slab If the caller knows directly slab of the object, otherwise NULL |
* |
* @return Number of freed pages |
*/ |
static size_t slab_obj_destroy(slab_cache_t *cache, void *obj, slab_t *slab) |
{ |
int freed = 0; |
if (!slab) |
slab = obj2slab(obj); |
ASSERT(slab->cache == cache); |
if (cache->destructor) |
freed = cache->destructor(obj); |
spinlock_lock(&cache->slablock); |
ASSERT(slab->available < cache->objects); |
*((int *)obj) = slab->nextavail; |
slab->nextavail = (obj - slab->start) / cache->size; |
slab->available++; |
/* Move it to correct list */ |
if (slab->available == cache->objects) { |
/* Free associated memory */ |
list_remove(&slab->link); |
spinlock_unlock(&cache->slablock); |
return freed + slab_space_free(cache, slab); |
} else if (slab->available == 1) { |
/* It was in full, move to partial */ |
list_remove(&slab->link); |
list_prepend(&slab->link, &cache->partial_slabs); |
} |
spinlock_unlock(&cache->slablock); |
return freed; |
} |
/** |
* Take new object from slab or create new if needed |
* |
* @return Object address or null |
*/ |
static void *slab_obj_create(slab_cache_t *cache, int flags) |
{ |
slab_t *slab; |
void *obj; |
spinlock_lock(&cache->slablock); |
if (list_empty(&cache->partial_slabs)) { |
/* Allow recursion and reclaiming |
* - this should work, as the slab control structures |
* are small and do not need to allocate with anything |
* other than frame_alloc when they are allocating, |
* that's why we should get recursion at most 1-level deep |
*/ |
spinlock_unlock(&cache->slablock); |
slab = slab_space_alloc(cache, flags); |
if (!slab) |
return NULL; |
spinlock_lock(&cache->slablock); |
} else { |
slab = list_get_instance(cache->partial_slabs.next, slab_t, |
link); |
list_remove(&slab->link); |
} |
obj = slab->start + slab->nextavail * cache->size; |
slab->nextavail = *((int *)obj); |
slab->available--; |
if (!slab->available) |
list_prepend(&slab->link, &cache->full_slabs); |
else |
list_prepend(&slab->link, &cache->partial_slabs); |
spinlock_unlock(&cache->slablock); |
if (cache->constructor && cache->constructor(obj, flags)) { |
/* Bad, bad, construction failed */ |
slab_obj_destroy(cache, obj, slab); |
return NULL; |
} |
return obj; |
} |
/**************************************/ |
/* CPU-Cache slab functions */ |
/** |
* Finds a full magazine in cache, takes it from list |
* and returns it |
* |
* @param first If true, return first, else last mag |
*/ |
static slab_magazine_t *get_mag_from_cache(slab_cache_t *cache, int first) |
{ |
slab_magazine_t *mag = NULL; |
link_t *cur; |
spinlock_lock(&cache->maglock); |
if (!list_empty(&cache->magazines)) { |
if (first) |
cur = cache->magazines.next; |
else |
cur = cache->magazines.prev; |
mag = list_get_instance(cur, slab_magazine_t, link); |
list_remove(&mag->link); |
atomic_dec(&cache->magazine_counter); |
} |
spinlock_unlock(&cache->maglock); |
return mag; |
} |
/** Prepend magazine to magazine list in cache */ |
static void put_mag_to_cache(slab_cache_t *cache, slab_magazine_t *mag) |
{ |
spinlock_lock(&cache->maglock); |
list_prepend(&mag->link, &cache->magazines); |
atomic_inc(&cache->magazine_counter); |
spinlock_unlock(&cache->maglock); |
} |
/** |
* Free all objects in magazine and free memory associated with magazine |
* |
* @return Number of freed pages |
*/ |
static size_t magazine_destroy(slab_cache_t *cache, slab_magazine_t *mag) |
{ |
unsigned int i; |
size_t frames = 0; |
for (i = 0; i < mag->busy; i++) { |
frames += slab_obj_destroy(cache, mag->objs[i], NULL); |
atomic_dec(&cache->cached_objs); |
} |
slab_free(&mag_cache, mag); |
return frames; |
} |
/** |
* Find full magazine, set it as current and return it |
* |
* Assume cpu_magazine lock is held |
*/ |
static slab_magazine_t *get_full_current_mag(slab_cache_t *cache) |
{ |
slab_magazine_t *cmag, *lastmag, *newmag; |
cmag = cache->mag_cache[CPU->id].current; |
lastmag = cache->mag_cache[CPU->id].last; |
if (cmag) { /* First try local CPU magazines */ |
if (cmag->busy) |
return cmag; |
if (lastmag && lastmag->busy) { |
cache->mag_cache[CPU->id].current = lastmag; |
cache->mag_cache[CPU->id].last = cmag; |
return lastmag; |
} |
} |
/* Local magazines are empty, import one from magazine list */ |
newmag = get_mag_from_cache(cache, 1); |
if (!newmag) |
return NULL; |
if (lastmag) |
magazine_destroy(cache, lastmag); |
cache->mag_cache[CPU->id].last = cmag; |
cache->mag_cache[CPU->id].current = newmag; |
return newmag; |
} |
/** |
* Try to find object in CPU-cache magazines |
* |
* @return Pointer to object or NULL if not available |
*/ |
static void *magazine_obj_get(slab_cache_t *cache) |
{ |
slab_magazine_t *mag; |
void *obj; |
if (!CPU) |
return NULL; |
spinlock_lock(&cache->mag_cache[CPU->id].lock); |
mag = get_full_current_mag(cache); |
if (!mag) { |
spinlock_unlock(&cache->mag_cache[CPU->id].lock); |
return NULL; |
} |
obj = mag->objs[--mag->busy]; |
spinlock_unlock(&cache->mag_cache[CPU->id].lock); |
atomic_dec(&cache->cached_objs); |
return obj; |
} |
/** |
* Assure that the current magazine is empty, return pointer to it, or NULL if |
* no empty magazine is available and cannot be allocated |
* |
* Assume mag_cache[CPU->id].lock is held |
* |
* We have 2 magazines bound to processor. |
* First try the current. |
* If full, try the last. |
* If full, put to magazines list. |
* allocate new, exchange last & current |
* |
*/ |
static slab_magazine_t *make_empty_current_mag(slab_cache_t *cache) |
{ |
slab_magazine_t *cmag,*lastmag,*newmag; |
cmag = cache->mag_cache[CPU->id].current; |
lastmag = cache->mag_cache[CPU->id].last; |
if (cmag) { |
if (cmag->busy < cmag->size) |
return cmag; |
if (lastmag && lastmag->busy < lastmag->size) { |
cache->mag_cache[CPU->id].last = cmag; |
cache->mag_cache[CPU->id].current = lastmag; |
return lastmag; |
} |
} |
/* current | last are full | nonexistent, allocate new */ |
/* We do not want to sleep just because of caching */ |
/* Especially we do not want reclaiming to start, as |
* this would deadlock */ |
newmag = slab_alloc(&mag_cache, FRAME_ATOMIC | FRAME_NO_RECLAIM); |
if (!newmag) |
return NULL; |
newmag->size = SLAB_MAG_SIZE; |
newmag->busy = 0; |
/* Flush last to magazine list */ |
if (lastmag) |
put_mag_to_cache(cache, lastmag); |
/* Move current as last, save new as current */ |
cache->mag_cache[CPU->id].last = cmag; |
cache->mag_cache[CPU->id].current = newmag; |
return newmag; |
} |
/** |
* Put object into CPU-cache magazine |
* |
* @return 0 - success, -1 - could not get memory |
*/ |
static int magazine_obj_put(slab_cache_t *cache, void *obj) |
{ |
slab_magazine_t *mag; |
if (!CPU) |
return -1; |
spinlock_lock(&cache->mag_cache[CPU->id].lock); |
mag = make_empty_current_mag(cache); |
if (!mag) { |
spinlock_unlock(&cache->mag_cache[CPU->id].lock); |
return -1; |
} |
mag->objs[mag->busy++] = obj; |
spinlock_unlock(&cache->mag_cache[CPU->id].lock); |
atomic_inc(&cache->cached_objs); |
return 0; |
} |
/**************************************/ |
/* Slab cache functions */ |
/** Return number of objects that fit in certain cache size */ |
static unsigned int comp_objects(slab_cache_t *cache) |
{ |
if (cache->flags & SLAB_CACHE_SLINSIDE) |
return ((PAGE_SIZE << cache->order) - sizeof(slab_t)) / |
cache->size; |
else |
return (PAGE_SIZE << cache->order) / cache->size; |
} |
/** Return wasted space in slab */ |
static unsigned int badness(slab_cache_t *cache) |
{ |
unsigned int objects; |
unsigned int ssize; |
objects = comp_objects(cache); |
ssize = PAGE_SIZE << cache->order; |
if (cache->flags & SLAB_CACHE_SLINSIDE) |
ssize -= sizeof(slab_t); |
return ssize - objects * cache->size; |
} |
/** |
* Initialize mag_cache structure in slab cache |
*/ |
static void make_magcache(slab_cache_t *cache) |
{ |
unsigned int i; |
ASSERT(_slab_initialized >= 2); |
cache->mag_cache = malloc(sizeof(slab_mag_cache_t) * config.cpu_count, |
0); |
for (i = 0; i < config.cpu_count; i++) { |
memsetb(&cache->mag_cache[i], sizeof(cache->mag_cache[i]), 0); |
spinlock_initialize(&cache->mag_cache[i].lock, |
"slab_maglock_cpu"); |
} |
} |
/** Initialize allocated memory as a slab cache */ |
static void |
_slab_cache_create(slab_cache_t *cache, char *name, size_t size, size_t align, |
int (*constructor)(void *obj, int kmflag), int (*destructor)(void *obj), |
int flags) |
{ |
int pages; |
ipl_t ipl; |
memsetb(cache, sizeof(*cache), 0); |
cache->name = name; |
if (align < sizeof(unative_t)) |
align = sizeof(unative_t); |
size = ALIGN_UP(size, align); |
cache->size = size; |
cache->constructor = constructor; |
cache->destructor = destructor; |
cache->flags = flags; |
list_initialize(&cache->full_slabs); |
list_initialize(&cache->partial_slabs); |
list_initialize(&cache->magazines); |
spinlock_initialize(&cache->slablock, "slab_lock"); |
spinlock_initialize(&cache->maglock, "slab_maglock"); |
if (!(cache->flags & SLAB_CACHE_NOMAGAZINE)) |
make_magcache(cache); |
/* Compute slab sizes, object counts in slabs etc. */ |
if (cache->size < SLAB_INSIDE_SIZE) |
cache->flags |= SLAB_CACHE_SLINSIDE; |
/* Minimum slab order */ |
pages = SIZE2FRAMES(cache->size); |
/* We need the 2^order >= pages */ |
if (pages == 1) |
cache->order = 0; |
else |
cache->order = fnzb(pages - 1) + 1; |
while (badness(cache) > SLAB_MAX_BADNESS(cache)) { |
cache->order += 1; |
} |
cache->objects = comp_objects(cache); |
/* If info fits in, put it inside */ |
if (badness(cache) > sizeof(slab_t)) |
cache->flags |= SLAB_CACHE_SLINSIDE; |
/* Add cache to cache list */ |
ipl = interrupts_disable(); |
spinlock_lock(&slab_cache_lock); |
list_append(&cache->link, &slab_cache_list); |
spinlock_unlock(&slab_cache_lock); |
interrupts_restore(ipl); |
} |
/** Create slab cache */ |
slab_cache_t * |
slab_cache_create(char *name, size_t size, size_t align, |
int (*constructor)(void *obj, int kmflag), int (*destructor)(void *obj), |
int flags) |
{ |
slab_cache_t *cache; |
cache = slab_alloc(&slab_cache_cache, 0); |
_slab_cache_create(cache, name, size, align, constructor, destructor, |
flags); |
return cache; |
} |
/** |
* Reclaim space occupied by objects that are already free |
* |
* @param flags If contains SLAB_RECLAIM_ALL, do aggressive freeing |
* @return Number of freed pages |
*/ |
static size_t _slab_reclaim(slab_cache_t *cache, int flags) |
{ |
unsigned int i; |
slab_magazine_t *mag; |
size_t frames = 0; |
int magcount; |
if (cache->flags & SLAB_CACHE_NOMAGAZINE) |
return 0; /* Nothing to do */ |
/* We count up to original magazine count to avoid |
* endless loop |
*/ |
magcount = atomic_get(&cache->magazine_counter); |
while (magcount-- && (mag=get_mag_from_cache(cache, 0))) { |
frames += magazine_destroy(cache,mag); |
if (!(flags & SLAB_RECLAIM_ALL) && frames) |
break; |
} |
if (flags & SLAB_RECLAIM_ALL) { |
/* Free cpu-bound magazines */ |
/* Destroy CPU magazines */ |
for (i = 0; i < config.cpu_count; i++) { |
spinlock_lock(&cache->mag_cache[i].lock); |
mag = cache->mag_cache[i].current; |
if (mag) |
frames += magazine_destroy(cache, mag); |
cache->mag_cache[i].current = NULL; |
mag = cache->mag_cache[i].last; |
if (mag) |
frames += magazine_destroy(cache, mag); |
cache->mag_cache[i].last = NULL; |
spinlock_unlock(&cache->mag_cache[i].lock); |
} |
} |
return frames; |
} |
/** Check that there are no slabs and remove cache from system */ |
void slab_cache_destroy(slab_cache_t *cache) |
{ |
ipl_t ipl; |
/* First remove cache from link, so that we don't need |
* to disable interrupts later |
*/ |
ipl = interrupts_disable(); |
spinlock_lock(&slab_cache_lock); |
list_remove(&cache->link); |
spinlock_unlock(&slab_cache_lock); |
interrupts_restore(ipl); |
/* Do not lock anything, we assume the software is correct and |
* does not touch the cache when it decides to destroy it */ |
/* Destroy all magazines */ |
_slab_reclaim(cache, SLAB_RECLAIM_ALL); |
/* All slabs must be empty */ |
if (!list_empty(&cache->full_slabs) || |
!list_empty(&cache->partial_slabs)) |
panic("Destroying cache that is not empty."); |
if (!(cache->flags & SLAB_CACHE_NOMAGAZINE)) |
free(cache->mag_cache); |
slab_free(&slab_cache_cache, cache); |
} |
/** Allocate new object from cache - if no flags given, always returns memory */ |
void *slab_alloc(slab_cache_t *cache, int flags) |
{ |
ipl_t ipl; |
void *result = NULL; |
/* Disable interrupts to avoid deadlocks with interrupt handlers */ |
ipl = interrupts_disable(); |
if (!(cache->flags & SLAB_CACHE_NOMAGAZINE)) { |
result = magazine_obj_get(cache); |
} |
if (!result) |
result = slab_obj_create(cache, flags); |
interrupts_restore(ipl); |
if (result) |
atomic_inc(&cache->allocated_objs); |
return result; |
} |
/** Return object to cache, use slab if known */ |
static void _slab_free(slab_cache_t *cache, void *obj, slab_t *slab) |
{ |
ipl_t ipl; |
ipl = interrupts_disable(); |
if ((cache->flags & SLAB_CACHE_NOMAGAZINE) || |
magazine_obj_put(cache, obj)) { |
slab_obj_destroy(cache, obj, slab); |
} |
interrupts_restore(ipl); |
atomic_dec(&cache->allocated_objs); |
} |
/** Return slab object to cache */ |
void slab_free(slab_cache_t *cache, void *obj) |
{ |
_slab_free(cache, obj, NULL); |
} |
/* Go through all caches and reclaim what is possible */ |
size_t slab_reclaim(int flags) |
{ |
slab_cache_t *cache; |
link_t *cur; |
size_t frames = 0; |
spinlock_lock(&slab_cache_lock); |
/* TODO: Add assert, that interrupts are disabled, otherwise |
* memory allocation from interrupts can deadlock. |
*/ |
for (cur = slab_cache_list.next; cur != &slab_cache_list; |
cur = cur->next) { |
cache = list_get_instance(cur, slab_cache_t, link); |
frames += _slab_reclaim(cache, flags); |
} |
spinlock_unlock(&slab_cache_lock); |
return frames; |
} |
/* Print list of slabs */ |
void slab_print_list(void) |
{ |
int skip = 0; |
printf("slab name size pages obj/pg slabs cached allocated" |
" ctl\n"); |
printf("---------------- -------- ------ ------ ------ ------ ---------" |
" ---\n"); |
while (true) { |
slab_cache_t *cache; |
link_t *cur; |
ipl_t ipl; |
int i; |
/* |
* We must not hold the slab_cache_lock spinlock when printing |
* the statistics. Otherwise we can easily deadlock if the print |
* needs to allocate memory. |
* |
* Therefore, we walk through the slab cache list, skipping some |
* amount of already processed caches during each iteration and |
* gathering statistics about the first unprocessed cache. For |
* the sake of printing the statistics, we realese the |
* slab_cache_lock and reacquire it afterwards. Then the walk |
* starts again. |
* |
* This limits both the efficiency and also accuracy of the |
* obtained statistics. The efficiency is decreased because the |
* time complexity of the algorithm is quadratic instead of |
* linear. The accuracy is impacted because we drop the lock |
* after processing one cache. If there is someone else |
* manipulating the cache list, we might omit an arbitrary |
* number of caches or process one cache multiple times. |
* However, we don't bleed for this algorithm for it is only |
* statistics. |
*/ |
ipl = interrupts_disable(); |
spinlock_lock(&slab_cache_lock); |
for (i = 0, cur = slab_cache_list.next; |
i < skip && cur != &slab_cache_list; |
i++, cur = cur->next) |
; |
if (cur == &slab_cache_list) { |
spinlock_unlock(&slab_cache_lock); |
interrupts_restore(ipl); |
break; |
} |
skip++; |
cache = list_get_instance(cur, slab_cache_t, link); |
char *name = cache->name; |
uint8_t order = cache->order; |
size_t size = cache->size; |
unsigned int objects = cache->objects; |
long allocated_slabs = atomic_get(&cache->allocated_slabs); |
long cached_objs = atomic_get(&cache->cached_objs); |
long allocated_objs = atomic_get(&cache->allocated_objs); |
int flags = cache->flags; |
spinlock_unlock(&slab_cache_lock); |
interrupts_restore(ipl); |
printf("%-16s %8" PRIs " %6d %6u %6ld %6ld %9ld %-3s\n", |
name, size, (1 << order), objects, allocated_slabs, |
cached_objs, allocated_objs, |
flags & SLAB_CACHE_SLINSIDE ? "in" : "out"); |
} |
} |
void slab_cache_init(void) |
{ |
int i, size; |
/* Initialize magazine cache */ |
_slab_cache_create(&mag_cache, "slab_magazine", |
sizeof(slab_magazine_t) + SLAB_MAG_SIZE * sizeof(void*), |
sizeof(uintptr_t), NULL, NULL, SLAB_CACHE_NOMAGAZINE | |
SLAB_CACHE_SLINSIDE); |
/* Initialize slab_cache cache */ |
_slab_cache_create(&slab_cache_cache, "slab_cache", |
sizeof(slab_cache_cache), sizeof(uintptr_t), NULL, NULL, |
SLAB_CACHE_NOMAGAZINE | SLAB_CACHE_SLINSIDE); |
/* Initialize external slab cache */ |
slab_extern_cache = slab_cache_create("slab_extern", sizeof(slab_t), 0, |
NULL, NULL, SLAB_CACHE_SLINSIDE | SLAB_CACHE_MAGDEFERRED); |
/* Initialize structures for malloc */ |
for (i = 0, size = (1 << SLAB_MIN_MALLOC_W); |
i < (SLAB_MAX_MALLOC_W - SLAB_MIN_MALLOC_W + 1); |
i++, size <<= 1) { |
malloc_caches[i] = slab_cache_create(malloc_names[i], size, 0, |
NULL, NULL, SLAB_CACHE_MAGDEFERRED); |
} |
#ifdef CONFIG_DEBUG |
_slab_initialized = 1; |
#endif |
} |
/** Enable cpu_cache |
* |
* Kernel calls this function, when it knows the real number of |
* processors. |
* Allocate slab for cpucache and enable it on all existing |
* slabs that are SLAB_CACHE_MAGDEFERRED |
*/ |
void slab_enable_cpucache(void) |
{ |
link_t *cur; |
slab_cache_t *s; |
#ifdef CONFIG_DEBUG |
_slab_initialized = 2; |
#endif |
spinlock_lock(&slab_cache_lock); |
for (cur = slab_cache_list.next; cur != &slab_cache_list; |
cur = cur->next){ |
s = list_get_instance(cur, slab_cache_t, link); |
if ((s->flags & SLAB_CACHE_MAGDEFERRED) != |
SLAB_CACHE_MAGDEFERRED) |
continue; |
make_magcache(s); |
s->flags &= ~SLAB_CACHE_MAGDEFERRED; |
} |
spinlock_unlock(&slab_cache_lock); |
} |
/**************************************/ |
/* kalloc/kfree functions */ |
void *malloc(unsigned int size, int flags) |
{ |
ASSERT(_slab_initialized); |
ASSERT(size <= (1 << SLAB_MAX_MALLOC_W)); |
if (size < (1 << SLAB_MIN_MALLOC_W)) |
size = (1 << SLAB_MIN_MALLOC_W); |
int idx = fnzb(size - 1) - SLAB_MIN_MALLOC_W + 1; |
return slab_alloc(malloc_caches[idx], flags); |
} |
void *realloc(void *ptr, unsigned int size, int flags) |
{ |
ASSERT(_slab_initialized); |
ASSERT(size <= (1 << SLAB_MAX_MALLOC_W)); |
void *new_ptr; |
if (size > 0) { |
if (size < (1 << SLAB_MIN_MALLOC_W)) |
size = (1 << SLAB_MIN_MALLOC_W); |
int idx = fnzb(size - 1) - SLAB_MIN_MALLOC_W + 1; |
new_ptr = slab_alloc(malloc_caches[idx], flags); |
} else |
new_ptr = NULL; |
if ((new_ptr != NULL) && (ptr != NULL)) { |
slab_t *slab = obj2slab(ptr); |
memcpy(new_ptr, ptr, min(size, slab->cache->size)); |
} |
if (ptr != NULL) |
free(ptr); |
return new_ptr; |
} |
void free(void *ptr) |
{ |
if (!ptr) |
return; |
slab_t *slab = obj2slab(ptr); |
_slab_free(slab->cache, ptr, slab); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/mm/tlb.c |
---|
0,0 → 1,190 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericmm |
* @{ |
*/ |
/** |
* @file |
* @brief Generic TLB shootdown algorithm. |
* |
* The algorithm implemented here is based on the CMU TLB shootdown |
* algorithm and is further simplified (e.g. all CPUs receive all TLB |
* shootdown messages). |
*/ |
#include <mm/tlb.h> |
#include <mm/asid.h> |
#include <arch/mm/tlb.h> |
#include <smp/ipi.h> |
#include <synch/spinlock.h> |
#include <atomic.h> |
#include <arch/interrupt.h> |
#include <config.h> |
#include <arch.h> |
#include <panic.h> |
#include <debug.h> |
#include <cpu.h> |
/** |
* This lock is used for synchronisation between sender and |
* recipients of TLB shootdown message. It must be acquired |
* before CPU structure lock. |
*/ |
SPINLOCK_INITIALIZE(tlblock); |
void tlb_init(void) |
{ |
tlb_arch_init(); |
} |
#ifdef CONFIG_SMP |
/** Send TLB shootdown message. |
* |
* This function attempts to deliver TLB shootdown message |
* to all other processors. |
* |
* This function must be called with interrupts disabled. |
* |
* @param type Type describing scope of shootdown. |
* @param asid Address space, if required by type. |
* @param page Virtual page address, if required by type. |
* @param count Number of pages, if required by type. |
*/ |
void tlb_shootdown_start(tlb_invalidate_type_t type, asid_t asid, |
uintptr_t page, size_t count) |
{ |
unsigned int i; |
CPU->tlb_active = 0; |
spinlock_lock(&tlblock); |
for (i = 0; i < config.cpu_count; i++) { |
cpu_t *cpu; |
if (i == CPU->id) |
continue; |
cpu = &cpus[i]; |
spinlock_lock(&cpu->lock); |
if (cpu->tlb_messages_count == TLB_MESSAGE_QUEUE_LEN) { |
/* |
* The message queue is full. |
* Erase the queue and store one TLB_INVL_ALL message. |
*/ |
cpu->tlb_messages_count = 1; |
cpu->tlb_messages[0].type = TLB_INVL_ALL; |
cpu->tlb_messages[0].asid = ASID_INVALID; |
cpu->tlb_messages[0].page = 0; |
cpu->tlb_messages[0].count = 0; |
} else { |
/* |
* Enqueue the message. |
*/ |
size_t idx = cpu->tlb_messages_count++; |
cpu->tlb_messages[idx].type = type; |
cpu->tlb_messages[idx].asid = asid; |
cpu->tlb_messages[idx].page = page; |
cpu->tlb_messages[idx].count = count; |
} |
spinlock_unlock(&cpu->lock); |
} |
tlb_shootdown_ipi_send(); |
busy_wait: |
for (i = 0; i < config.cpu_count; i++) |
if (cpus[i].tlb_active) |
goto busy_wait; |
} |
/** Finish TLB shootdown sequence. */ |
void tlb_shootdown_finalize(void) |
{ |
spinlock_unlock(&tlblock); |
CPU->tlb_active = 1; |
} |
void tlb_shootdown_ipi_send(void) |
{ |
ipi_broadcast(VECTOR_TLB_SHOOTDOWN_IPI); |
} |
/** Receive TLB shootdown message. */ |
void tlb_shootdown_ipi_recv(void) |
{ |
tlb_invalidate_type_t type; |
asid_t asid; |
uintptr_t page; |
size_t count; |
unsigned int i; |
ASSERT(CPU); |
CPU->tlb_active = 0; |
spinlock_lock(&tlblock); |
spinlock_unlock(&tlblock); |
spinlock_lock(&CPU->lock); |
ASSERT(CPU->tlb_messages_count <= TLB_MESSAGE_QUEUE_LEN); |
for (i = 0; i < CPU->tlb_messages_count; CPU->tlb_messages_count--) { |
type = CPU->tlb_messages[i].type; |
asid = CPU->tlb_messages[i].asid; |
page = CPU->tlb_messages[i].page; |
count = CPU->tlb_messages[i].count; |
switch (type) { |
case TLB_INVL_ALL: |
tlb_invalidate_all(); |
break; |
case TLB_INVL_ASID: |
tlb_invalidate_asid(asid); |
break; |
case TLB_INVL_PAGES: |
ASSERT(count); |
tlb_invalidate_pages(asid, page, count); |
break; |
default: |
panic("Unknown type (%d).", type); |
break; |
} |
if (type == TLB_INVL_ALL) |
break; |
} |
spinlock_unlock(&CPU->lock); |
CPU->tlb_active = 1; |
} |
#endif /* CONFIG_SMP */ |
/** @} |
*/ |
/branches/arm/kernel/generic/src/mm/backend_anon.c |
---|
0,0 → 1,224 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericmm |
* @{ |
*/ |
/** |
* @file |
* @brief Backend for anonymous memory address space areas. |
* |
*/ |
#include <mm/as.h> |
#include <mm/page.h> |
#include <genarch/mm/page_pt.h> |
#include <genarch/mm/page_ht.h> |
#include <mm/frame.h> |
#include <mm/slab.h> |
#include <synch/mutex.h> |
#include <adt/list.h> |
#include <adt/btree.h> |
#include <errno.h> |
#include <arch/types.h> |
#include <align.h> |
#include <arch.h> |
#ifdef CONFIG_VIRT_IDX_DCACHE |
#include <arch/mm/cache.h> |
#endif |
static int anon_page_fault(as_area_t *area, uintptr_t addr, pf_access_t access); |
static void anon_frame_free(as_area_t *area, uintptr_t page, uintptr_t frame); |
static void anon_share(as_area_t *area); |
mem_backend_t anon_backend = { |
.page_fault = anon_page_fault, |
.frame_free = anon_frame_free, |
.share = anon_share |
}; |
/** Service a page fault in the anonymous memory address space area. |
* |
* The address space area and page tables must be already locked. |
* |
* @param area Pointer to the address space area. |
* @param addr Faulting virtual address. |
* @param access Access mode that caused the fault (i.e. read/write/exec). |
* |
* @return AS_PF_FAULT on failure (i.e. page fault) or AS_PF_OK on success (i.e. |
* serviced). |
*/ |
int anon_page_fault(as_area_t *area, uintptr_t addr, pf_access_t access) |
{ |
uintptr_t frame; |
if (!as_area_check_access(area, access)) |
return AS_PF_FAULT; |
if (area->sh_info) { |
btree_node_t *leaf; |
/* |
* The area is shared, chances are that the mapping can be found |
* in the pagemap of the address space area share info |
* structure. |
* In the case that the pagemap does not contain the respective |
* mapping, a new frame is allocated and the mapping is created. |
*/ |
mutex_lock(&area->sh_info->lock); |
frame = (uintptr_t) btree_search(&area->sh_info->pagemap, |
ALIGN_DOWN(addr, PAGE_SIZE) - area->base, &leaf); |
if (!frame) { |
bool allocate = true; |
unsigned int i; |
/* |
* Zero can be returned as a valid frame address. |
* Just a small workaround. |
*/ |
for (i = 0; i < leaf->keys; i++) { |
if (leaf->key[i] == |
ALIGN_DOWN(addr, PAGE_SIZE) - area->base) { |
allocate = false; |
break; |
} |
} |
if (allocate) { |
frame = (uintptr_t) frame_alloc(ONE_FRAME, 0); |
memsetb((void *) PA2KA(frame), FRAME_SIZE, 0); |
/* |
* Insert the address of the newly allocated |
* frame to the pagemap. |
*/ |
btree_insert(&area->sh_info->pagemap, |
ALIGN_DOWN(addr, PAGE_SIZE) - area->base, |
(void *) frame, leaf); |
} |
} |
frame_reference_add(ADDR2PFN(frame)); |
mutex_unlock(&area->sh_info->lock); |
} else { |
/* |
* In general, there can be several reasons that |
* can have caused this fault. |
* |
* - non-existent mapping: the area is an anonymous |
* area (e.g. heap or stack) and so far has not been |
* allocated a frame for the faulting page |
* |
* - non-present mapping: another possibility, |
* currently not implemented, would be frame |
* reuse; when this becomes a possibility, |
* do not forget to distinguish between |
* the different causes |
*/ |
frame = (uintptr_t) frame_alloc(ONE_FRAME, 0); |
memsetb((void *) PA2KA(frame), FRAME_SIZE, 0); |
} |
/* |
* Map 'page' to 'frame'. |
* Note that TLB shootdown is not attempted as only new information is |
* being inserted into page tables. |
*/ |
page_mapping_insert(AS, addr, frame, as_area_get_flags(area)); |
if (!used_space_insert(area, ALIGN_DOWN(addr, PAGE_SIZE), 1)) |
panic("Cannot insert used space."); |
return AS_PF_OK; |
} |
/** Free a frame that is backed by the anonymous memory backend. |
* |
* The address space area and page tables must be already locked. |
* |
* @param area Ignored. |
* @param page Virtual address of the page corresponding to the frame. |
* @param frame Frame to be released. |
*/ |
void anon_frame_free(as_area_t *area, uintptr_t page, uintptr_t frame) |
{ |
frame_free(frame); |
} |
/** Share the anonymous address space area. |
* |
* Sharing of anonymous area is done by duplicating its entire mapping |
* to the pagemap. Page faults will primarily search for frames there. |
* |
* The address space and address space area must be already locked. |
* |
* @param area Address space area to be shared. |
*/ |
void anon_share(as_area_t *area) |
{ |
link_t *cur; |
/* |
* Copy used portions of the area to sh_info's page map. |
*/ |
mutex_lock(&area->sh_info->lock); |
for (cur = area->used_space.leaf_head.next; |
cur != &area->used_space.leaf_head; cur = cur->next) { |
btree_node_t *node; |
unsigned int i; |
node = list_get_instance(cur, btree_node_t, leaf_link); |
for (i = 0; i < node->keys; i++) { |
uintptr_t base = node->key[i]; |
size_t count = (size_t) node->value[i]; |
unsigned int j; |
for (j = 0; j < count; j++) { |
pte_t *pte; |
page_table_lock(area->as, false); |
pte = page_mapping_find(area->as, |
base + j * PAGE_SIZE); |
ASSERT(pte && PTE_VALID(pte) && |
PTE_PRESENT(pte)); |
btree_insert(&area->sh_info->pagemap, |
(base + j * PAGE_SIZE) - area->base, |
(void *) PTE_GET_FRAME(pte), NULL); |
page_table_unlock(area->as, false); |
pfn_t pfn = ADDR2PFN(PTE_GET_FRAME(pte)); |
frame_reference_add(pfn); |
} |
} |
} |
mutex_unlock(&area->sh_info->lock); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/mm/as.c |
---|
0,0 → 1,1958 |
/* |
* Copyright (c) 2001-2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericmm |
* @{ |
*/ |
/** |
* @file |
* @brief Address space related functions. |
* |
* This file contains address space manipulation functions. |
* Roughly speaking, this is a higher-level client of |
* Virtual Address Translation (VAT) subsystem. |
* |
* Functionality provided by this file allows one to |
* create address spaces and create, resize and share |
* address space areas. |
* |
* @see page.c |
* |
*/ |
#include <mm/as.h> |
#include <arch/mm/as.h> |
#include <mm/page.h> |
#include <mm/frame.h> |
#include <mm/slab.h> |
#include <mm/tlb.h> |
#include <arch/mm/page.h> |
#include <genarch/mm/page_pt.h> |
#include <genarch/mm/page_ht.h> |
#include <mm/asid.h> |
#include <arch/mm/asid.h> |
#include <preemption.h> |
#include <synch/spinlock.h> |
#include <synch/mutex.h> |
#include <adt/list.h> |
#include <adt/btree.h> |
#include <proc/task.h> |
#include <proc/thread.h> |
#include <arch/asm.h> |
#include <panic.h> |
#include <debug.h> |
#include <print.h> |
#include <memstr.h> |
#include <macros.h> |
#include <arch.h> |
#include <errno.h> |
#include <config.h> |
#include <align.h> |
#include <arch/types.h> |
#include <syscall/copy.h> |
#include <arch/interrupt.h> |
#ifdef CONFIG_VIRT_IDX_DCACHE |
#include <arch/mm/cache.h> |
#endif /* CONFIG_VIRT_IDX_DCACHE */ |
/** |
* Each architecture decides what functions will be used to carry out |
* address space operations such as creating or locking page tables. |
*/ |
as_operations_t *as_operations = NULL; |
/** |
* Slab for as_t objects. |
*/ |
static slab_cache_t *as_slab; |
/** |
* This lock serializes access to the ASID subsystem. |
* It protects: |
* - inactive_as_with_asid_head list |
* - as->asid for each as of the as_t type |
* - asids_allocated counter |
*/ |
SPINLOCK_INITIALIZE(asidlock); |
/** |
* This list contains address spaces that are not active on any |
* processor and that have valid ASID. |
*/ |
LIST_INITIALIZE(inactive_as_with_asid_head); |
/** Kernel address space. */ |
as_t *AS_KERNEL = NULL; |
static int area_flags_to_page_flags(int); |
static as_area_t *find_area_and_lock(as_t *, uintptr_t); |
static bool check_area_conflicts(as_t *, uintptr_t, size_t, as_area_t *); |
static void sh_info_remove_reference(share_info_t *); |
static int as_constructor(void *obj, int flags) |
{ |
as_t *as = (as_t *) obj; |
int rc; |
link_initialize(&as->inactive_as_with_asid_link); |
mutex_initialize(&as->lock, MUTEX_PASSIVE); |
rc = as_constructor_arch(as, flags); |
return rc; |
} |
static int as_destructor(void *obj) |
{ |
as_t *as = (as_t *) obj; |
return as_destructor_arch(as); |
} |
/** Initialize address space subsystem. */ |
void as_init(void) |
{ |
as_arch_init(); |
as_slab = slab_cache_create("as_slab", sizeof(as_t), 0, |
as_constructor, as_destructor, SLAB_CACHE_MAGDEFERRED); |
AS_KERNEL = as_create(FLAG_AS_KERNEL); |
if (!AS_KERNEL) |
panic("Cannot create kernel address space."); |
/* Make sure the kernel address space |
* reference count never drops to zero. |
*/ |
atomic_set(&AS_KERNEL->refcount, 1); |
} |
/** Create address space. |
* |
* @param flags Flags that influence the way in wich the address space |
* is created. |
*/ |
as_t *as_create(int flags) |
{ |
as_t *as; |
as = (as_t *) slab_alloc(as_slab, 0); |
(void) as_create_arch(as, 0); |
btree_create(&as->as_area_btree); |
if (flags & FLAG_AS_KERNEL) |
as->asid = ASID_KERNEL; |
else |
as->asid = ASID_INVALID; |
atomic_set(&as->refcount, 0); |
as->cpu_refcount = 0; |
#ifdef AS_PAGE_TABLE |
as->genarch.page_table = page_table_create(flags); |
#else |
page_table_create(flags); |
#endif |
return as; |
} |
/** Destroy adress space. |
* |
* When there are no tasks referencing this address space (i.e. its refcount is |
* zero), the address space can be destroyed. |
* |
* We know that we don't hold any spinlock. |
* |
* @param as Address space to be destroyed. |
*/ |
void as_destroy(as_t *as) |
{ |
ipl_t ipl; |
bool cond; |
DEADLOCK_PROBE_INIT(p_asidlock); |
ASSERT(atomic_get(&as->refcount) == 0); |
/* |
* Since there is no reference to this area, |
* it is safe not to lock its mutex. |
*/ |
/* |
* We need to avoid deadlock between TLB shootdown and asidlock. |
* We therefore try to take asid conditionally and if we don't succeed, |
* we enable interrupts and try again. This is done while preemption is |
* disabled to prevent nested context switches. We also depend on the |
* fact that so far no spinlocks are held. |
*/ |
preemption_disable(); |
ipl = interrupts_read(); |
retry: |
interrupts_disable(); |
if (!spinlock_trylock(&asidlock)) { |
interrupts_enable(); |
DEADLOCK_PROBE(p_asidlock, DEADLOCK_THRESHOLD); |
goto retry; |
} |
preemption_enable(); /* Interrupts disabled, enable preemption */ |
if (as->asid != ASID_INVALID && as != AS_KERNEL) { |
if (as != AS && as->cpu_refcount == 0) |
list_remove(&as->inactive_as_with_asid_link); |
asid_put(as->asid); |
} |
spinlock_unlock(&asidlock); |
/* |
* Destroy address space areas of the address space. |
* The B+tree must be walked carefully because it is |
* also being destroyed. |
*/ |
for (cond = true; cond; ) { |
btree_node_t *node; |
ASSERT(!list_empty(&as->as_area_btree.leaf_head)); |
node = list_get_instance(as->as_area_btree.leaf_head.next, |
btree_node_t, leaf_link); |
if ((cond = node->keys)) { |
as_area_destroy(as, node->key[0]); |
} |
} |
btree_destroy(&as->as_area_btree); |
#ifdef AS_PAGE_TABLE |
page_table_destroy(as->genarch.page_table); |
#else |
page_table_destroy(NULL); |
#endif |
interrupts_restore(ipl); |
slab_free(as_slab, as); |
} |
/** Create address space area of common attributes. |
* |
* The created address space area is added to the target address space. |
* |
* @param as Target address space. |
* @param flags Flags of the area memory. |
* @param size Size of area. |
* @param base Base address of area. |
* @param attrs Attributes of the area. |
* @param backend Address space area backend. NULL if no backend is used. |
* @param backend_data NULL or a pointer to an array holding two void *. |
* |
* @return Address space area on success or NULL on failure. |
*/ |
as_area_t * |
as_area_create(as_t *as, int flags, size_t size, uintptr_t base, int attrs, |
mem_backend_t *backend, mem_backend_data_t *backend_data) |
{ |
ipl_t ipl; |
as_area_t *a; |
if (base % PAGE_SIZE) |
return NULL; |
if (!size) |
return NULL; |
/* Writeable executable areas are not supported. */ |
if ((flags & AS_AREA_EXEC) && (flags & AS_AREA_WRITE)) |
return NULL; |
ipl = interrupts_disable(); |
mutex_lock(&as->lock); |
if (!check_area_conflicts(as, base, size, NULL)) { |
mutex_unlock(&as->lock); |
interrupts_restore(ipl); |
return NULL; |
} |
a = (as_area_t *) malloc(sizeof(as_area_t), 0); |
mutex_initialize(&a->lock, MUTEX_PASSIVE); |
a->as = as; |
a->flags = flags; |
a->attributes = attrs; |
a->pages = SIZE2FRAMES(size); |
a->base = base; |
a->sh_info = NULL; |
a->backend = backend; |
if (backend_data) |
a->backend_data = *backend_data; |
else |
memsetb(&a->backend_data, sizeof(a->backend_data), 0); |
btree_create(&a->used_space); |
btree_insert(&as->as_area_btree, base, (void *) a, NULL); |
mutex_unlock(&as->lock); |
interrupts_restore(ipl); |
return a; |
} |
/** Find address space area and change it. |
* |
* @param as Address space. |
* @param address Virtual address belonging to the area to be changed. |
* Must be page-aligned. |
* @param size New size of the virtual memory block starting at |
* address. |
* @param flags Flags influencing the remap operation. Currently unused. |
* |
* @return Zero on success or a value from @ref errno.h otherwise. |
*/ |
int as_area_resize(as_t *as, uintptr_t address, size_t size, int flags) |
{ |
as_area_t *area; |
ipl_t ipl; |
size_t pages; |
ipl = interrupts_disable(); |
mutex_lock(&as->lock); |
/* |
* Locate the area. |
*/ |
area = find_area_and_lock(as, address); |
if (!area) { |
mutex_unlock(&as->lock); |
interrupts_restore(ipl); |
return ENOENT; |
} |
if (area->backend == &phys_backend) { |
/* |
* Remapping of address space areas associated |
* with memory mapped devices is not supported. |
*/ |
mutex_unlock(&area->lock); |
mutex_unlock(&as->lock); |
interrupts_restore(ipl); |
return ENOTSUP; |
} |
if (area->sh_info) { |
/* |
* Remapping of shared address space areas |
* is not supported. |
*/ |
mutex_unlock(&area->lock); |
mutex_unlock(&as->lock); |
interrupts_restore(ipl); |
return ENOTSUP; |
} |
pages = SIZE2FRAMES((address - area->base) + size); |
if (!pages) { |
/* |
* Zero size address space areas are not allowed. |
*/ |
mutex_unlock(&area->lock); |
mutex_unlock(&as->lock); |
interrupts_restore(ipl); |
return EPERM; |
} |
if (pages < area->pages) { |
bool cond; |
uintptr_t start_free = area->base + pages * PAGE_SIZE; |
/* |
* Shrinking the area. |
* No need to check for overlaps. |
*/ |
/* |
* Start TLB shootdown sequence. |
*/ |
tlb_shootdown_start(TLB_INVL_PAGES, as->asid, area->base + |
pages * PAGE_SIZE, area->pages - pages); |
/* |
* Remove frames belonging to used space starting from |
* the highest addresses downwards until an overlap with |
* the resized address space area is found. Note that this |
* is also the right way to remove part of the used_space |
* B+tree leaf list. |
*/ |
for (cond = true; cond;) { |
btree_node_t *node; |
ASSERT(!list_empty(&area->used_space.leaf_head)); |
node = |
list_get_instance(area->used_space.leaf_head.prev, |
btree_node_t, leaf_link); |
if ((cond = (bool) node->keys)) { |
uintptr_t b = node->key[node->keys - 1]; |
size_t c = |
(size_t) node->value[node->keys - 1]; |
unsigned int i = 0; |
if (overlaps(b, c * PAGE_SIZE, area->base, |
pages * PAGE_SIZE)) { |
if (b + c * PAGE_SIZE <= start_free) { |
/* |
* The whole interval fits |
* completely in the resized |
* address space area. |
*/ |
break; |
} |
/* |
* Part of the interval corresponding |
* to b and c overlaps with the resized |
* address space area. |
*/ |
cond = false; /* we are almost done */ |
i = (start_free - b) >> PAGE_WIDTH; |
if (!used_space_remove(area, start_free, |
c - i)) |
panic("Cannot remove used " |
"space."); |
} else { |
/* |
* The interval of used space can be |
* completely removed. |
*/ |
if (!used_space_remove(area, b, c)) |
panic("Cannot remove used " |
"space."); |
} |
for (; i < c; i++) { |
pte_t *pte; |
page_table_lock(as, false); |
pte = page_mapping_find(as, b + |
i * PAGE_SIZE); |
ASSERT(pte && PTE_VALID(pte) && |
PTE_PRESENT(pte)); |
if (area->backend && |
area->backend->frame_free) { |
area->backend->frame_free(area, |
b + i * PAGE_SIZE, |
PTE_GET_FRAME(pte)); |
} |
page_mapping_remove(as, b + |
i * PAGE_SIZE); |
page_table_unlock(as, false); |
} |
} |
} |
/* |
* Finish TLB shootdown sequence. |
*/ |
tlb_invalidate_pages(as->asid, area->base + pages * PAGE_SIZE, |
area->pages - pages); |
/* |
* Invalidate software translation caches (e.g. TSB on sparc64). |
*/ |
as_invalidate_translation_cache(as, area->base + |
pages * PAGE_SIZE, area->pages - pages); |
tlb_shootdown_finalize(); |
} else { |
/* |
* Growing the area. |
* Check for overlaps with other address space areas. |
*/ |
if (!check_area_conflicts(as, address, pages * PAGE_SIZE, |
area)) { |
mutex_unlock(&area->lock); |
mutex_unlock(&as->lock); |
interrupts_restore(ipl); |
return EADDRNOTAVAIL; |
} |
} |
area->pages = pages; |
mutex_unlock(&area->lock); |
mutex_unlock(&as->lock); |
interrupts_restore(ipl); |
return 0; |
} |
/** Destroy address space area. |
* |
* @param as Address space. |
* @param address Address within the area to be deleted. |
* |
* @return Zero on success or a value from @ref errno.h on failure. |
*/ |
int as_area_destroy(as_t *as, uintptr_t address) |
{ |
as_area_t *area; |
uintptr_t base; |
link_t *cur; |
ipl_t ipl; |
ipl = interrupts_disable(); |
mutex_lock(&as->lock); |
area = find_area_and_lock(as, address); |
if (!area) { |
mutex_unlock(&as->lock); |
interrupts_restore(ipl); |
return ENOENT; |
} |
base = area->base; |
/* |
* Start TLB shootdown sequence. |
*/ |
tlb_shootdown_start(TLB_INVL_PAGES, as->asid, area->base, area->pages); |
/* |
* Visit only the pages mapped by used_space B+tree. |
*/ |
for (cur = area->used_space.leaf_head.next; |
cur != &area->used_space.leaf_head; cur = cur->next) { |
btree_node_t *node; |
unsigned int i; |
node = list_get_instance(cur, btree_node_t, leaf_link); |
for (i = 0; i < node->keys; i++) { |
uintptr_t b = node->key[i]; |
size_t j; |
pte_t *pte; |
for (j = 0; j < (size_t) node->value[i]; j++) { |
page_table_lock(as, false); |
pte = page_mapping_find(as, b + j * PAGE_SIZE); |
ASSERT(pte && PTE_VALID(pte) && |
PTE_PRESENT(pte)); |
if (area->backend && |
area->backend->frame_free) { |
area->backend->frame_free(area, b + |
j * PAGE_SIZE, PTE_GET_FRAME(pte)); |
} |
page_mapping_remove(as, b + j * PAGE_SIZE); |
page_table_unlock(as, false); |
} |
} |
} |
/* |
* Finish TLB shootdown sequence. |
*/ |
tlb_invalidate_pages(as->asid, area->base, area->pages); |
/* |
* Invalidate potential software translation caches (e.g. TSB on |
* sparc64). |
*/ |
as_invalidate_translation_cache(as, area->base, area->pages); |
tlb_shootdown_finalize(); |
btree_destroy(&area->used_space); |
area->attributes |= AS_AREA_ATTR_PARTIAL; |
if (area->sh_info) |
sh_info_remove_reference(area->sh_info); |
mutex_unlock(&area->lock); |
/* |
* Remove the empty area from address space. |
*/ |
btree_remove(&as->as_area_btree, base, NULL); |
free(area); |
mutex_unlock(&as->lock); |
interrupts_restore(ipl); |
return 0; |
} |
/** Share address space area with another or the same address space. |
* |
* Address space area mapping is shared with a new address space area. |
* If the source address space area has not been shared so far, |
* a new sh_info is created. The new address space area simply gets the |
* sh_info of the source area. The process of duplicating the |
* mapping is done through the backend share function. |
* |
* @param src_as Pointer to source address space. |
* @param src_base Base address of the source address space area. |
* @param acc_size Expected size of the source area. |
* @param dst_as Pointer to destination address space. |
* @param dst_base Target base address. |
* @param dst_flags_mask Destination address space area flags mask. |
* |
* @return Zero on success or ENOENT if there is no such task or if |
* there is no such address space area, EPERM if there was |
* a problem in accepting the area or ENOMEM if there was a |
* problem in allocating destination address space area. |
* ENOTSUP is returned if the address space area backend |
* does not support sharing. |
*/ |
int as_area_share(as_t *src_as, uintptr_t src_base, size_t acc_size, |
as_t *dst_as, uintptr_t dst_base, int dst_flags_mask) |
{ |
ipl_t ipl; |
int src_flags; |
size_t src_size; |
as_area_t *src_area, *dst_area; |
share_info_t *sh_info; |
mem_backend_t *src_backend; |
mem_backend_data_t src_backend_data; |
ipl = interrupts_disable(); |
mutex_lock(&src_as->lock); |
src_area = find_area_and_lock(src_as, src_base); |
if (!src_area) { |
/* |
* Could not find the source address space area. |
*/ |
mutex_unlock(&src_as->lock); |
interrupts_restore(ipl); |
return ENOENT; |
} |
if (!src_area->backend || !src_area->backend->share) { |
/* |
* There is no backend or the backend does not |
* know how to share the area. |
*/ |
mutex_unlock(&src_area->lock); |
mutex_unlock(&src_as->lock); |
interrupts_restore(ipl); |
return ENOTSUP; |
} |
src_size = src_area->pages * PAGE_SIZE; |
src_flags = src_area->flags; |
src_backend = src_area->backend; |
src_backend_data = src_area->backend_data; |
/* Share the cacheable flag from the original mapping */ |
if (src_flags & AS_AREA_CACHEABLE) |
dst_flags_mask |= AS_AREA_CACHEABLE; |
if (src_size != acc_size || |
(src_flags & dst_flags_mask) != dst_flags_mask) { |
mutex_unlock(&src_area->lock); |
mutex_unlock(&src_as->lock); |
interrupts_restore(ipl); |
return EPERM; |
} |
/* |
* Now we are committed to sharing the area. |
* First, prepare the area for sharing. |
* Then it will be safe to unlock it. |
*/ |
sh_info = src_area->sh_info; |
if (!sh_info) { |
sh_info = (share_info_t *) malloc(sizeof(share_info_t), 0); |
mutex_initialize(&sh_info->lock, MUTEX_PASSIVE); |
sh_info->refcount = 2; |
btree_create(&sh_info->pagemap); |
src_area->sh_info = sh_info; |
/* |
* Call the backend to setup sharing. |
*/ |
src_area->backend->share(src_area); |
} else { |
mutex_lock(&sh_info->lock); |
sh_info->refcount++; |
mutex_unlock(&sh_info->lock); |
} |
mutex_unlock(&src_area->lock); |
mutex_unlock(&src_as->lock); |
/* |
* Create copy of the source address space area. |
* The destination area is created with AS_AREA_ATTR_PARTIAL |
* attribute set which prevents race condition with |
* preliminary as_page_fault() calls. |
* The flags of the source area are masked against dst_flags_mask |
* to support sharing in less privileged mode. |
*/ |
dst_area = as_area_create(dst_as, dst_flags_mask, src_size, dst_base, |
AS_AREA_ATTR_PARTIAL, src_backend, &src_backend_data); |
if (!dst_area) { |
/* |
* Destination address space area could not be created. |
*/ |
sh_info_remove_reference(sh_info); |
interrupts_restore(ipl); |
return ENOMEM; |
} |
/* |
* Now the destination address space area has been |
* fully initialized. Clear the AS_AREA_ATTR_PARTIAL |
* attribute and set the sh_info. |
*/ |
mutex_lock(&dst_as->lock); |
mutex_lock(&dst_area->lock); |
dst_area->attributes &= ~AS_AREA_ATTR_PARTIAL; |
dst_area->sh_info = sh_info; |
mutex_unlock(&dst_area->lock); |
mutex_unlock(&dst_as->lock); |
interrupts_restore(ipl); |
return 0; |
} |
/** Check access mode for address space area. |
* |
* The address space area must be locked prior to this call. |
* |
* @param area Address space area. |
* @param access Access mode. |
* |
* @return False if access violates area's permissions, true |
* otherwise. |
*/ |
bool as_area_check_access(as_area_t *area, pf_access_t access) |
{ |
int flagmap[] = { |
[PF_ACCESS_READ] = AS_AREA_READ, |
[PF_ACCESS_WRITE] = AS_AREA_WRITE, |
[PF_ACCESS_EXEC] = AS_AREA_EXEC |
}; |
if (!(area->flags & flagmap[access])) |
return false; |
return true; |
} |
/** Change adress space area flags. |
* |
* The idea is to have the same data, but with a different access mode. |
* This is needed e.g. for writing code into memory and then executing it. |
* In order for this to work properly, this may copy the data |
* into private anonymous memory (unless it's already there). |
* |
* @param as Address space. |
* @param flags Flags of the area memory. |
* @param address Address within the area to be changed. |
* |
* @return Zero on success or a value from @ref errno.h on failure. |
* |
*/ |
int as_area_change_flags(as_t *as, int flags, uintptr_t address) |
{ |
as_area_t *area; |
uintptr_t base; |
link_t *cur; |
ipl_t ipl; |
int page_flags; |
uintptr_t *old_frame; |
size_t frame_idx; |
size_t used_pages; |
/* Flags for the new memory mapping */ |
page_flags = area_flags_to_page_flags(flags); |
ipl = interrupts_disable(); |
mutex_lock(&as->lock); |
area = find_area_and_lock(as, address); |
if (!area) { |
mutex_unlock(&as->lock); |
interrupts_restore(ipl); |
return ENOENT; |
} |
if ((area->sh_info) || (area->backend != &anon_backend)) { |
/* Copying shared areas not supported yet */ |
/* Copying non-anonymous memory not supported yet */ |
mutex_unlock(&area->lock); |
mutex_unlock(&as->lock); |
interrupts_restore(ipl); |
return ENOTSUP; |
} |
base = area->base; |
/* |
* Compute total number of used pages in the used_space B+tree |
*/ |
used_pages = 0; |
for (cur = area->used_space.leaf_head.next; |
cur != &area->used_space.leaf_head; cur = cur->next) { |
btree_node_t *node; |
unsigned int i; |
node = list_get_instance(cur, btree_node_t, leaf_link); |
for (i = 0; i < node->keys; i++) { |
used_pages += (size_t) node->value[i]; |
} |
} |
/* An array for storing frame numbers */ |
old_frame = malloc(used_pages * sizeof(uintptr_t), 0); |
/* |
* Start TLB shootdown sequence. |
*/ |
tlb_shootdown_start(TLB_INVL_PAGES, as->asid, area->base, area->pages); |
/* |
* Remove used pages from page tables and remember their frame |
* numbers. |
*/ |
frame_idx = 0; |
for (cur = area->used_space.leaf_head.next; |
cur != &area->used_space.leaf_head; cur = cur->next) { |
btree_node_t *node; |
unsigned int i; |
node = list_get_instance(cur, btree_node_t, leaf_link); |
for (i = 0; i < node->keys; i++) { |
uintptr_t b = node->key[i]; |
size_t j; |
pte_t *pte; |
for (j = 0; j < (size_t) node->value[i]; j++) { |
page_table_lock(as, false); |
pte = page_mapping_find(as, b + j * PAGE_SIZE); |
ASSERT(pte && PTE_VALID(pte) && |
PTE_PRESENT(pte)); |
old_frame[frame_idx++] = PTE_GET_FRAME(pte); |
/* Remove old mapping */ |
page_mapping_remove(as, b + j * PAGE_SIZE); |
page_table_unlock(as, false); |
} |
} |
} |
/* |
* Finish TLB shootdown sequence. |
*/ |
tlb_invalidate_pages(as->asid, area->base, area->pages); |
/* |
* Invalidate potential software translation caches (e.g. TSB on |
* sparc64). |
*/ |
as_invalidate_translation_cache(as, area->base, area->pages); |
tlb_shootdown_finalize(); |
/* |
* Set the new flags. |
*/ |
area->flags = flags; |
/* |
* Map pages back in with new flags. This step is kept separate |
* so that the memory area could not be accesed with both the old and |
* the new flags at once. |
*/ |
frame_idx = 0; |
for (cur = area->used_space.leaf_head.next; |
cur != &area->used_space.leaf_head; cur = cur->next) { |
btree_node_t *node; |
unsigned int i; |
node = list_get_instance(cur, btree_node_t, leaf_link); |
for (i = 0; i < node->keys; i++) { |
uintptr_t b = node->key[i]; |
size_t j; |
for (j = 0; j < (size_t) node->value[i]; j++) { |
page_table_lock(as, false); |
/* Insert the new mapping */ |
page_mapping_insert(as, b + j * PAGE_SIZE, |
old_frame[frame_idx++], page_flags); |
page_table_unlock(as, false); |
} |
} |
} |
free(old_frame); |
mutex_unlock(&area->lock); |
mutex_unlock(&as->lock); |
interrupts_restore(ipl); |
return 0; |
} |
/** Handle page fault within the current address space. |
* |
* This is the high-level page fault handler. It decides whether the page fault |
* can be resolved by any backend and if so, it invokes the backend to resolve |
* the page fault. |
* |
* Interrupts are assumed disabled. |
* |
* @param page Faulting page. |
* @param access Access mode that caused the page fault (i.e. |
* read/write/exec). |
* @param istate Pointer to the interrupted state. |
* |
* @return AS_PF_FAULT on page fault, AS_PF_OK on success or |
* AS_PF_DEFER if the fault was caused by copy_to_uspace() |
* or copy_from_uspace(). |
*/ |
int as_page_fault(uintptr_t page, pf_access_t access, istate_t *istate) |
{ |
pte_t *pte; |
as_area_t *area; |
if (!THREAD) |
return AS_PF_FAULT; |
ASSERT(AS); |
mutex_lock(&AS->lock); |
area = find_area_and_lock(AS, page); |
if (!area) { |
/* |
* No area contained mapping for 'page'. |
* Signal page fault to low-level handler. |
*/ |
mutex_unlock(&AS->lock); |
goto page_fault; |
} |
if (area->attributes & AS_AREA_ATTR_PARTIAL) { |
/* |
* The address space area is not fully initialized. |
* Avoid possible race by returning error. |
*/ |
mutex_unlock(&area->lock); |
mutex_unlock(&AS->lock); |
goto page_fault; |
} |
if (!area->backend || !area->backend->page_fault) { |
/* |
* The address space area is not backed by any backend |
* or the backend cannot handle page faults. |
*/ |
mutex_unlock(&area->lock); |
mutex_unlock(&AS->lock); |
goto page_fault; |
} |
page_table_lock(AS, false); |
/* |
* To avoid race condition between two page faults on the same address, |
* we need to make sure the mapping has not been already inserted. |
*/ |
if ((pte = page_mapping_find(AS, page))) { |
if (PTE_PRESENT(pte)) { |
if (((access == PF_ACCESS_READ) && PTE_READABLE(pte)) || |
(access == PF_ACCESS_WRITE && PTE_WRITABLE(pte)) || |
(access == PF_ACCESS_EXEC && PTE_EXECUTABLE(pte))) { |
page_table_unlock(AS, false); |
mutex_unlock(&area->lock); |
mutex_unlock(&AS->lock); |
return AS_PF_OK; |
} |
} |
} |
/* |
* Resort to the backend page fault handler. |
*/ |
if (area->backend->page_fault(area, page, access) != AS_PF_OK) { |
page_table_unlock(AS, false); |
mutex_unlock(&area->lock); |
mutex_unlock(&AS->lock); |
goto page_fault; |
} |
page_table_unlock(AS, false); |
mutex_unlock(&area->lock); |
mutex_unlock(&AS->lock); |
return AS_PF_OK; |
page_fault: |
if (THREAD->in_copy_from_uspace) { |
THREAD->in_copy_from_uspace = false; |
istate_set_retaddr(istate, |
(uintptr_t) &memcpy_from_uspace_failover_address); |
} else if (THREAD->in_copy_to_uspace) { |
THREAD->in_copy_to_uspace = false; |
istate_set_retaddr(istate, |
(uintptr_t) &memcpy_to_uspace_failover_address); |
} else { |
return AS_PF_FAULT; |
} |
return AS_PF_DEFER; |
} |
/** Switch address spaces. |
* |
* Note that this function cannot sleep as it is essentially a part of |
* scheduling. Sleeping here would lead to deadlock on wakeup. Another |
* thing which is forbidden in this context is locking the address space. |
* |
* When this function is enetered, no spinlocks may be held. |
* |
* @param old Old address space or NULL. |
* @param new New address space. |
*/ |
void as_switch(as_t *old_as, as_t *new_as) |
{ |
DEADLOCK_PROBE_INIT(p_asidlock); |
preemption_disable(); |
retry: |
(void) interrupts_disable(); |
if (!spinlock_trylock(&asidlock)) { |
/* |
* Avoid deadlock with TLB shootdown. |
* We can enable interrupts here because |
* preemption is disabled. We should not be |
* holding any other lock. |
*/ |
(void) interrupts_enable(); |
DEADLOCK_PROBE(p_asidlock, DEADLOCK_THRESHOLD); |
goto retry; |
} |
preemption_enable(); |
/* |
* First, take care of the old address space. |
*/ |
if (old_as) { |
ASSERT(old_as->cpu_refcount); |
if((--old_as->cpu_refcount == 0) && (old_as != AS_KERNEL)) { |
/* |
* The old address space is no longer active on |
* any processor. It can be appended to the |
* list of inactive address spaces with assigned |
* ASID. |
*/ |
ASSERT(old_as->asid != ASID_INVALID); |
list_append(&old_as->inactive_as_with_asid_link, |
&inactive_as_with_asid_head); |
} |
/* |
* Perform architecture-specific tasks when the address space |
* is being removed from the CPU. |
*/ |
as_deinstall_arch(old_as); |
} |
/* |
* Second, prepare the new address space. |
*/ |
if ((new_as->cpu_refcount++ == 0) && (new_as != AS_KERNEL)) { |
if (new_as->asid != ASID_INVALID) |
list_remove(&new_as->inactive_as_with_asid_link); |
else |
new_as->asid = asid_get(); |
} |
#ifdef AS_PAGE_TABLE |
SET_PTL0_ADDRESS(new_as->genarch.page_table); |
#endif |
/* |
* Perform architecture-specific steps. |
* (e.g. write ASID to hardware register etc.) |
*/ |
as_install_arch(new_as); |
spinlock_unlock(&asidlock); |
AS = new_as; |
} |
/** Convert address space area flags to page flags. |
* |
* @param aflags Flags of some address space area. |
* |
* @return Flags to be passed to page_mapping_insert(). |
*/ |
int area_flags_to_page_flags(int aflags) |
{ |
int flags; |
flags = PAGE_USER | PAGE_PRESENT; |
if (aflags & AS_AREA_READ) |
flags |= PAGE_READ; |
if (aflags & AS_AREA_WRITE) |
flags |= PAGE_WRITE; |
if (aflags & AS_AREA_EXEC) |
flags |= PAGE_EXEC; |
if (aflags & AS_AREA_CACHEABLE) |
flags |= PAGE_CACHEABLE; |
return flags; |
} |
/** Compute flags for virtual address translation subsytem. |
* |
* The address space area must be locked. |
* Interrupts must be disabled. |
* |
* @param a Address space area. |
* |
* @return Flags to be used in page_mapping_insert(). |
*/ |
int as_area_get_flags(as_area_t *a) |
{ |
return area_flags_to_page_flags(a->flags); |
} |
/** Create page table. |
* |
* Depending on architecture, create either address space private or global page |
* table. |
* |
* @param flags Flags saying whether the page table is for the kernel |
* address space. |
* |
* @return First entry of the page table. |
*/ |
pte_t *page_table_create(int flags) |
{ |
ASSERT(as_operations); |
ASSERT(as_operations->page_table_create); |
return as_operations->page_table_create(flags); |
} |
/** Destroy page table. |
* |
* Destroy page table in architecture specific way. |
* |
* @param page_table Physical address of PTL0. |
*/ |
void page_table_destroy(pte_t *page_table) |
{ |
ASSERT(as_operations); |
ASSERT(as_operations->page_table_destroy); |
as_operations->page_table_destroy(page_table); |
} |
/** Lock page table. |
* |
* This function should be called before any page_mapping_insert(), |
* page_mapping_remove() and page_mapping_find(). |
* |
* Locking order is such that address space areas must be locked |
* prior to this call. Address space can be locked prior to this |
* call in which case the lock argument is false. |
* |
* @param as Address space. |
* @param lock If false, do not attempt to lock as->lock. |
*/ |
void page_table_lock(as_t *as, bool lock) |
{ |
ASSERT(as_operations); |
ASSERT(as_operations->page_table_lock); |
as_operations->page_table_lock(as, lock); |
} |
/** Unlock page table. |
* |
* @param as Address space. |
* @param unlock If false, do not attempt to unlock as->lock. |
*/ |
void page_table_unlock(as_t *as, bool unlock) |
{ |
ASSERT(as_operations); |
ASSERT(as_operations->page_table_unlock); |
as_operations->page_table_unlock(as, unlock); |
} |
/** Find address space area and lock it. |
* |
* The address space must be locked and interrupts must be disabled. |
* |
* @param as Address space. |
* @param va Virtual address. |
* |
* @return Locked address space area containing va on success or |
* NULL on failure. |
*/ |
as_area_t *find_area_and_lock(as_t *as, uintptr_t va) |
{ |
as_area_t *a; |
btree_node_t *leaf, *lnode; |
unsigned int i; |
a = (as_area_t *) btree_search(&as->as_area_btree, va, &leaf); |
if (a) { |
/* va is the base address of an address space area */ |
mutex_lock(&a->lock); |
return a; |
} |
/* |
* Search the leaf node and the righmost record of its left neighbour |
* to find out whether this is a miss or va belongs to an address |
* space area found there. |
*/ |
/* First, search the leaf node itself. */ |
for (i = 0; i < leaf->keys; i++) { |
a = (as_area_t *) leaf->value[i]; |
mutex_lock(&a->lock); |
if ((a->base <= va) && (va < a->base + a->pages * PAGE_SIZE)) { |
return a; |
} |
mutex_unlock(&a->lock); |
} |
/* |
* Second, locate the left neighbour and test its last record. |
* Because of its position in the B+tree, it must have base < va. |
*/ |
lnode = btree_leaf_node_left_neighbour(&as->as_area_btree, leaf); |
if (lnode) { |
a = (as_area_t *) lnode->value[lnode->keys - 1]; |
mutex_lock(&a->lock); |
if (va < a->base + a->pages * PAGE_SIZE) { |
return a; |
} |
mutex_unlock(&a->lock); |
} |
return NULL; |
} |
/** Check area conflicts with other areas. |
* |
* The address space must be locked and interrupts must be disabled. |
* |
* @param as Address space. |
* @param va Starting virtual address of the area being tested. |
* @param size Size of the area being tested. |
* @param avoid_area Do not touch this area. |
* |
* @return True if there is no conflict, false otherwise. |
*/ |
bool |
check_area_conflicts(as_t *as, uintptr_t va, size_t size, as_area_t *avoid_area) |
{ |
as_area_t *a; |
btree_node_t *leaf, *node; |
unsigned int i; |
/* |
* We don't want any area to have conflicts with NULL page. |
*/ |
if (overlaps(va, size, NULL, PAGE_SIZE)) |
return false; |
/* |
* The leaf node is found in O(log n), where n is proportional to |
* the number of address space areas belonging to as. |
* The check for conflicts is then attempted on the rightmost |
* record in the left neighbour, the leftmost record in the right |
* neighbour and all records in the leaf node itself. |
*/ |
if ((a = (as_area_t *) btree_search(&as->as_area_btree, va, &leaf))) { |
if (a != avoid_area) |
return false; |
} |
/* First, check the two border cases. */ |
if ((node = btree_leaf_node_left_neighbour(&as->as_area_btree, leaf))) { |
a = (as_area_t *) node->value[node->keys - 1]; |
mutex_lock(&a->lock); |
if (overlaps(va, size, a->base, a->pages * PAGE_SIZE)) { |
mutex_unlock(&a->lock); |
return false; |
} |
mutex_unlock(&a->lock); |
} |
node = btree_leaf_node_right_neighbour(&as->as_area_btree, leaf); |
if (node) { |
a = (as_area_t *) node->value[0]; |
mutex_lock(&a->lock); |
if (overlaps(va, size, a->base, a->pages * PAGE_SIZE)) { |
mutex_unlock(&a->lock); |
return false; |
} |
mutex_unlock(&a->lock); |
} |
/* Second, check the leaf node. */ |
for (i = 0; i < leaf->keys; i++) { |
a = (as_area_t *) leaf->value[i]; |
if (a == avoid_area) |
continue; |
mutex_lock(&a->lock); |
if (overlaps(va, size, a->base, a->pages * PAGE_SIZE)) { |
mutex_unlock(&a->lock); |
return false; |
} |
mutex_unlock(&a->lock); |
} |
/* |
* So far, the area does not conflict with other areas. |
* Check if it doesn't conflict with kernel address space. |
*/ |
if (!KERNEL_ADDRESS_SPACE_SHADOWED) { |
return !overlaps(va, size, |
KERNEL_ADDRESS_SPACE_START, |
KERNEL_ADDRESS_SPACE_END - KERNEL_ADDRESS_SPACE_START); |
} |
return true; |
} |
/** Return size of the address space area with given base. |
* |
* @param base Arbitrary address insede the address space area. |
* |
* @return Size of the address space area in bytes or zero if it |
* does not exist. |
*/ |
size_t as_area_get_size(uintptr_t base) |
{ |
ipl_t ipl; |
as_area_t *src_area; |
size_t size; |
ipl = interrupts_disable(); |
src_area = find_area_and_lock(AS, base); |
if (src_area) { |
size = src_area->pages * PAGE_SIZE; |
mutex_unlock(&src_area->lock); |
} else { |
size = 0; |
} |
interrupts_restore(ipl); |
return size; |
} |
/** Mark portion of address space area as used. |
* |
* The address space area must be already locked. |
* |
* @param a Address space area. |
* @param page First page to be marked. |
* @param count Number of page to be marked. |
* |
* @return Zero on failure and non-zero on success. |
*/ |
int used_space_insert(as_area_t *a, uintptr_t page, size_t count) |
{ |
btree_node_t *leaf, *node; |
size_t pages; |
unsigned int i; |
ASSERT(page == ALIGN_DOWN(page, PAGE_SIZE)); |
ASSERT(count); |
pages = (size_t) btree_search(&a->used_space, page, &leaf); |
if (pages) { |
/* |
* We hit the beginning of some used space. |
*/ |
return 0; |
} |
if (!leaf->keys) { |
btree_insert(&a->used_space, page, (void *) count, leaf); |
return 1; |
} |
node = btree_leaf_node_left_neighbour(&a->used_space, leaf); |
if (node) { |
uintptr_t left_pg = node->key[node->keys - 1]; |
uintptr_t right_pg = leaf->key[0]; |
size_t left_cnt = (size_t) node->value[node->keys - 1]; |
size_t right_cnt = (size_t) leaf->value[0]; |
/* |
* Examine the possibility that the interval fits |
* somewhere between the rightmost interval of |
* the left neigbour and the first interval of the leaf. |
*/ |
if (page >= right_pg) { |
/* Do nothing. */ |
} else if (overlaps(page, count * PAGE_SIZE, left_pg, |
left_cnt * PAGE_SIZE)) { |
/* The interval intersects with the left interval. */ |
return 0; |
} else if (overlaps(page, count * PAGE_SIZE, right_pg, |
right_cnt * PAGE_SIZE)) { |
/* The interval intersects with the right interval. */ |
return 0; |
} else if ((page == left_pg + left_cnt * PAGE_SIZE) && |
(page + count * PAGE_SIZE == right_pg)) { |
/* |
* The interval can be added by merging the two already |
* present intervals. |
*/ |
node->value[node->keys - 1] += count + right_cnt; |
btree_remove(&a->used_space, right_pg, leaf); |
return 1; |
} else if (page == left_pg + left_cnt * PAGE_SIZE) { |
/* |
* The interval can be added by simply growing the left |
* interval. |
*/ |
node->value[node->keys - 1] += count; |
return 1; |
} else if (page + count * PAGE_SIZE == right_pg) { |
/* |
* The interval can be addded by simply moving base of |
* the right interval down and increasing its size |
* accordingly. |
*/ |
leaf->value[0] += count; |
leaf->key[0] = page; |
return 1; |
} else { |
/* |
* The interval is between both neigbouring intervals, |
* but cannot be merged with any of them. |
*/ |
btree_insert(&a->used_space, page, (void *) count, |
leaf); |
return 1; |
} |
} else if (page < leaf->key[0]) { |
uintptr_t right_pg = leaf->key[0]; |
size_t right_cnt = (size_t) leaf->value[0]; |
/* |
* Investigate the border case in which the left neighbour does |
* not exist but the interval fits from the left. |
*/ |
if (overlaps(page, count * PAGE_SIZE, right_pg, |
right_cnt * PAGE_SIZE)) { |
/* The interval intersects with the right interval. */ |
return 0; |
} else if (page + count * PAGE_SIZE == right_pg) { |
/* |
* The interval can be added by moving the base of the |
* right interval down and increasing its size |
* accordingly. |
*/ |
leaf->key[0] = page; |
leaf->value[0] += count; |
return 1; |
} else { |
/* |
* The interval doesn't adjoin with the right interval. |
* It must be added individually. |
*/ |
btree_insert(&a->used_space, page, (void *) count, |
leaf); |
return 1; |
} |
} |
node = btree_leaf_node_right_neighbour(&a->used_space, leaf); |
if (node) { |
uintptr_t left_pg = leaf->key[leaf->keys - 1]; |
uintptr_t right_pg = node->key[0]; |
size_t left_cnt = (size_t) leaf->value[leaf->keys - 1]; |
size_t right_cnt = (size_t) node->value[0]; |
/* |
* Examine the possibility that the interval fits |
* somewhere between the leftmost interval of |
* the right neigbour and the last interval of the leaf. |
*/ |
if (page < left_pg) { |
/* Do nothing. */ |
} else if (overlaps(page, count * PAGE_SIZE, left_pg, |
left_cnt * PAGE_SIZE)) { |
/* The interval intersects with the left interval. */ |
return 0; |
} else if (overlaps(page, count * PAGE_SIZE, right_pg, |
right_cnt * PAGE_SIZE)) { |
/* The interval intersects with the right interval. */ |
return 0; |
} else if ((page == left_pg + left_cnt * PAGE_SIZE) && |
(page + count * PAGE_SIZE == right_pg)) { |
/* |
* The interval can be added by merging the two already |
* present intervals. |
* */ |
leaf->value[leaf->keys - 1] += count + right_cnt; |
btree_remove(&a->used_space, right_pg, node); |
return 1; |
} else if (page == left_pg + left_cnt * PAGE_SIZE) { |
/* |
* The interval can be added by simply growing the left |
* interval. |
* */ |
leaf->value[leaf->keys - 1] += count; |
return 1; |
} else if (page + count * PAGE_SIZE == right_pg) { |
/* |
* The interval can be addded by simply moving base of |
* the right interval down and increasing its size |
* accordingly. |
*/ |
node->value[0] += count; |
node->key[0] = page; |
return 1; |
} else { |
/* |
* The interval is between both neigbouring intervals, |
* but cannot be merged with any of them. |
*/ |
btree_insert(&a->used_space, page, (void *) count, |
leaf); |
return 1; |
} |
} else if (page >= leaf->key[leaf->keys - 1]) { |
uintptr_t left_pg = leaf->key[leaf->keys - 1]; |
size_t left_cnt = (size_t) leaf->value[leaf->keys - 1]; |
/* |
* Investigate the border case in which the right neighbour |
* does not exist but the interval fits from the right. |
*/ |
if (overlaps(page, count * PAGE_SIZE, left_pg, |
left_cnt * PAGE_SIZE)) { |
/* The interval intersects with the left interval. */ |
return 0; |
} else if (left_pg + left_cnt * PAGE_SIZE == page) { |
/* |
* The interval can be added by growing the left |
* interval. |
*/ |
leaf->value[leaf->keys - 1] += count; |
return 1; |
} else { |
/* |
* The interval doesn't adjoin with the left interval. |
* It must be added individually. |
*/ |
btree_insert(&a->used_space, page, (void *) count, |
leaf); |
return 1; |
} |
} |
/* |
* Note that if the algorithm made it thus far, the interval can fit |
* only between two other intervals of the leaf. The two border cases |
* were already resolved. |
*/ |
for (i = 1; i < leaf->keys; i++) { |
if (page < leaf->key[i]) { |
uintptr_t left_pg = leaf->key[i - 1]; |
uintptr_t right_pg = leaf->key[i]; |
size_t left_cnt = (size_t) leaf->value[i - 1]; |
size_t right_cnt = (size_t) leaf->value[i]; |
/* |
* The interval fits between left_pg and right_pg. |
*/ |
if (overlaps(page, count * PAGE_SIZE, left_pg, |
left_cnt * PAGE_SIZE)) { |
/* |
* The interval intersects with the left |
* interval. |
*/ |
return 0; |
} else if (overlaps(page, count * PAGE_SIZE, right_pg, |
right_cnt * PAGE_SIZE)) { |
/* |
* The interval intersects with the right |
* interval. |
*/ |
return 0; |
} else if ((page == left_pg + left_cnt * PAGE_SIZE) && |
(page + count * PAGE_SIZE == right_pg)) { |
/* |
* The interval can be added by merging the two |
* already present intervals. |
*/ |
leaf->value[i - 1] += count + right_cnt; |
btree_remove(&a->used_space, right_pg, leaf); |
return 1; |
} else if (page == left_pg + left_cnt * PAGE_SIZE) { |
/* |
* The interval can be added by simply growing |
* the left interval. |
*/ |
leaf->value[i - 1] += count; |
return 1; |
} else if (page + count * PAGE_SIZE == right_pg) { |
/* |
* The interval can be addded by simply moving |
* base of the right interval down and |
* increasing its size accordingly. |
*/ |
leaf->value[i] += count; |
leaf->key[i] = page; |
return 1; |
} else { |
/* |
* The interval is between both neigbouring |
* intervals, but cannot be merged with any of |
* them. |
*/ |
btree_insert(&a->used_space, page, |
(void *) count, leaf); |
return 1; |
} |
} |
} |
panic("Inconsistency detected while adding %" PRIs " pages of used " |
"space at %p.", count, page); |
} |
/** Mark portion of address space area as unused. |
* |
* The address space area must be already locked. |
* |
* @param a Address space area. |
* @param page First page to be marked. |
* @param count Number of page to be marked. |
* |
* @return Zero on failure and non-zero on success. |
*/ |
int used_space_remove(as_area_t *a, uintptr_t page, size_t count) |
{ |
btree_node_t *leaf, *node; |
size_t pages; |
unsigned int i; |
ASSERT(page == ALIGN_DOWN(page, PAGE_SIZE)); |
ASSERT(count); |
pages = (size_t) btree_search(&a->used_space, page, &leaf); |
if (pages) { |
/* |
* We are lucky, page is the beginning of some interval. |
*/ |
if (count > pages) { |
return 0; |
} else if (count == pages) { |
btree_remove(&a->used_space, page, leaf); |
return 1; |
} else { |
/* |
* Find the respective interval. |
* Decrease its size and relocate its start address. |
*/ |
for (i = 0; i < leaf->keys; i++) { |
if (leaf->key[i] == page) { |
leaf->key[i] += count * PAGE_SIZE; |
leaf->value[i] -= count; |
return 1; |
} |
} |
goto error; |
} |
} |
node = btree_leaf_node_left_neighbour(&a->used_space, leaf); |
if (node && page < leaf->key[0]) { |
uintptr_t left_pg = node->key[node->keys - 1]; |
size_t left_cnt = (size_t) node->value[node->keys - 1]; |
if (overlaps(left_pg, left_cnt * PAGE_SIZE, page, |
count * PAGE_SIZE)) { |
if (page + count * PAGE_SIZE == |
left_pg + left_cnt * PAGE_SIZE) { |
/* |
* The interval is contained in the rightmost |
* interval of the left neighbour and can be |
* removed by updating the size of the bigger |
* interval. |
*/ |
node->value[node->keys - 1] -= count; |
return 1; |
} else if (page + count * PAGE_SIZE < |
left_pg + left_cnt*PAGE_SIZE) { |
size_t new_cnt; |
/* |
* The interval is contained in the rightmost |
* interval of the left neighbour but its |
* removal requires both updating the size of |
* the original interval and also inserting a |
* new interval. |
*/ |
new_cnt = ((left_pg + left_cnt * PAGE_SIZE) - |
(page + count*PAGE_SIZE)) >> PAGE_WIDTH; |
node->value[node->keys - 1] -= count + new_cnt; |
btree_insert(&a->used_space, page + |
count * PAGE_SIZE, (void *) new_cnt, leaf); |
return 1; |
} |
} |
return 0; |
} else if (page < leaf->key[0]) { |
return 0; |
} |
if (page > leaf->key[leaf->keys - 1]) { |
uintptr_t left_pg = leaf->key[leaf->keys - 1]; |
size_t left_cnt = (size_t) leaf->value[leaf->keys - 1]; |
if (overlaps(left_pg, left_cnt * PAGE_SIZE, page, |
count * PAGE_SIZE)) { |
if (page + count * PAGE_SIZE == |
left_pg + left_cnt * PAGE_SIZE) { |
/* |
* The interval is contained in the rightmost |
* interval of the leaf and can be removed by |
* updating the size of the bigger interval. |
*/ |
leaf->value[leaf->keys - 1] -= count; |
return 1; |
} else if (page + count * PAGE_SIZE < left_pg + |
left_cnt * PAGE_SIZE) { |
size_t new_cnt; |
/* |
* The interval is contained in the rightmost |
* interval of the leaf but its removal |
* requires both updating the size of the |
* original interval and also inserting a new |
* interval. |
*/ |
new_cnt = ((left_pg + left_cnt * PAGE_SIZE) - |
(page + count * PAGE_SIZE)) >> PAGE_WIDTH; |
leaf->value[leaf->keys - 1] -= count + new_cnt; |
btree_insert(&a->used_space, page + |
count * PAGE_SIZE, (void *) new_cnt, leaf); |
return 1; |
} |
} |
return 0; |
} |
/* |
* The border cases have been already resolved. |
* Now the interval can be only between intervals of the leaf. |
*/ |
for (i = 1; i < leaf->keys - 1; i++) { |
if (page < leaf->key[i]) { |
uintptr_t left_pg = leaf->key[i - 1]; |
size_t left_cnt = (size_t) leaf->value[i - 1]; |
/* |
* Now the interval is between intervals corresponding |
* to (i - 1) and i. |
*/ |
if (overlaps(left_pg, left_cnt * PAGE_SIZE, page, |
count * PAGE_SIZE)) { |
if (page + count * PAGE_SIZE == |
left_pg + left_cnt*PAGE_SIZE) { |
/* |
* The interval is contained in the |
* interval (i - 1) of the leaf and can |
* be removed by updating the size of |
* the bigger interval. |
*/ |
leaf->value[i - 1] -= count; |
return 1; |
} else if (page + count * PAGE_SIZE < |
left_pg + left_cnt * PAGE_SIZE) { |
size_t new_cnt; |
/* |
* The interval is contained in the |
* interval (i - 1) of the leaf but its |
* removal requires both updating the |
* size of the original interval and |
* also inserting a new interval. |
*/ |
new_cnt = ((left_pg + |
left_cnt * PAGE_SIZE) - |
(page + count * PAGE_SIZE)) >> |
PAGE_WIDTH; |
leaf->value[i - 1] -= count + new_cnt; |
btree_insert(&a->used_space, page + |
count * PAGE_SIZE, (void *) new_cnt, |
leaf); |
return 1; |
} |
} |
return 0; |
} |
} |
error: |
panic("Inconsistency detected while removing %" PRIs " pages of used " |
"space from %p.", count, page); |
} |
/** Remove reference to address space area share info. |
* |
* If the reference count drops to 0, the sh_info is deallocated. |
* |
* @param sh_info Pointer to address space area share info. |
*/ |
void sh_info_remove_reference(share_info_t *sh_info) |
{ |
bool dealloc = false; |
mutex_lock(&sh_info->lock); |
ASSERT(sh_info->refcount); |
if (--sh_info->refcount == 0) { |
dealloc = true; |
link_t *cur; |
/* |
* Now walk carefully the pagemap B+tree and free/remove |
* reference from all frames found there. |
*/ |
for (cur = sh_info->pagemap.leaf_head.next; |
cur != &sh_info->pagemap.leaf_head; cur = cur->next) { |
btree_node_t *node; |
unsigned int i; |
node = list_get_instance(cur, btree_node_t, leaf_link); |
for (i = 0; i < node->keys; i++) |
frame_free((uintptr_t) node->value[i]); |
} |
} |
mutex_unlock(&sh_info->lock); |
if (dealloc) { |
btree_destroy(&sh_info->pagemap); |
free(sh_info); |
} |
} |
/* |
* Address space related syscalls. |
*/ |
/** Wrapper for as_area_create(). */ |
unative_t sys_as_area_create(uintptr_t address, size_t size, int flags) |
{ |
if (as_area_create(AS, flags | AS_AREA_CACHEABLE, size, address, |
AS_AREA_ATTR_NONE, &anon_backend, NULL)) |
return (unative_t) address; |
else |
return (unative_t) -1; |
} |
/** Wrapper for as_area_resize(). */ |
unative_t sys_as_area_resize(uintptr_t address, size_t size, int flags) |
{ |
return (unative_t) as_area_resize(AS, address, size, 0); |
} |
/** Wrapper for as_area_change_flags(). */ |
unative_t sys_as_area_change_flags(uintptr_t address, int flags) |
{ |
return (unative_t) as_area_change_flags(AS, flags, address); |
} |
/** Wrapper for as_area_destroy(). */ |
unative_t sys_as_area_destroy(uintptr_t address) |
{ |
return (unative_t) as_area_destroy(AS, address); |
} |
/** Print out information about address space. |
* |
* @param as Address space. |
*/ |
void as_print(as_t *as) |
{ |
ipl_t ipl; |
ipl = interrupts_disable(); |
mutex_lock(&as->lock); |
/* print out info about address space areas */ |
link_t *cur; |
for (cur = as->as_area_btree.leaf_head.next; |
cur != &as->as_area_btree.leaf_head; cur = cur->next) { |
btree_node_t *node; |
node = list_get_instance(cur, btree_node_t, leaf_link); |
unsigned int i; |
for (i = 0; i < node->keys; i++) { |
as_area_t *area = node->value[i]; |
mutex_lock(&area->lock); |
printf("as_area: %p, base=%p, pages=%" PRIs |
" (%p - %p)\n", area, area->base, area->pages, |
area->base, area->base + FRAMES2SIZE(area->pages)); |
mutex_unlock(&area->lock); |
} |
} |
mutex_unlock(&as->lock); |
interrupts_restore(ipl); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/mm/frame.c |
---|
0,0 → 1,1344 |
/* |
* Copyright (c) 2001-2005 Jakub Jermar |
* Copyright (c) 2005 Sergey Bondari |
* Copyright (c) 2009 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericmm |
* @{ |
*/ |
/** |
* @file |
* @brief Physical frame allocator. |
* |
* This file contains the physical frame allocator and memory zone management. |
* The frame allocator is built on top of the buddy allocator. |
* |
* @see buddy.c |
*/ |
#include <arch/types.h> |
#include <mm/frame.h> |
#include <mm/as.h> |
#include <panic.h> |
#include <debug.h> |
#include <adt/list.h> |
#include <synch/mutex.h> |
#include <synch/condvar.h> |
#include <arch/asm.h> |
#include <arch.h> |
#include <print.h> |
#include <align.h> |
#include <mm/slab.h> |
#include <bitops.h> |
#include <macros.h> |
#include <config.h> |
zones_t zones; |
/* |
* Synchronization primitives used to sleep when there is no memory |
* available. |
*/ |
mutex_t mem_avail_mtx; |
condvar_t mem_avail_cv; |
size_t mem_avail_req = 0; /**< Number of frames requested. */ |
size_t mem_avail_gen = 0; /**< Generation counter. */ |
/********************/ |
/* Helper functions */ |
/********************/ |
static inline size_t frame_index(zone_t *zone, frame_t *frame) |
{ |
return (size_t) (frame - zone->frames); |
} |
static inline size_t frame_index_abs(zone_t *zone, frame_t *frame) |
{ |
return (size_t) (frame - zone->frames) + zone->base; |
} |
static inline bool frame_index_valid(zone_t *zone, size_t index) |
{ |
return (index < zone->count); |
} |
static inline size_t make_frame_index(zone_t *zone, frame_t *frame) |
{ |
return (frame - zone->frames); |
} |
/** Initialize frame structure. |
* |
* @param frame Frame structure to be initialized. |
* |
*/ |
static void frame_initialize(frame_t *frame) |
{ |
frame->refcount = 1; |
frame->buddy_order = 0; |
} |
/*******************/ |
/* Zones functions */ |
/*******************/ |
/** Insert-sort zone into zones list. |
* |
* Assume interrupts are disabled and zones lock is |
* locked. |
* |
* @param base Base frame of the newly inserted zone. |
* @param count Number of frames of the newly inserted zone. |
* |
* @return Zone number on success, -1 on error. |
* |
*/ |
static size_t zones_insert_zone(pfn_t base, size_t count) |
{ |
if (zones.count + 1 == ZONES_MAX) { |
printf("Maximum zone count %u exceeded!\n", ZONES_MAX); |
return (size_t) -1; |
} |
size_t i; |
for (i = 0; i < zones.count; i++) { |
/* Check for overlap */ |
if (overlaps(base, count, |
zones.info[i].base, zones.info[i].count)) { |
printf("Zones overlap!\n"); |
return (size_t) -1; |
} |
if (base < zones.info[i].base) |
break; |
} |
/* Move other zones up */ |
size_t j; |
for (j = zones.count; j > i; j--) { |
zones.info[j] = zones.info[j - 1]; |
zones.info[j].buddy_system->data = |
(void *) &zones.info[j - 1]; |
} |
zones.count++; |
return i; |
} |
/** Get total available frames. |
* |
* Assume interrupts are disabled and zones lock is |
* locked. |
* |
* @return Total number of available frames. |
* |
*/ |
#ifdef CONFIG_DEBUG |
static size_t total_frames_free(void) |
{ |
size_t total = 0; |
size_t i; |
for (i = 0; i < zones.count; i++) |
total += zones.info[i].free_count; |
return total; |
} |
#endif |
/** Find a zone with a given frames. |
* |
* Assume interrupts are disabled and zones lock is |
* locked. |
* |
* @param frame Frame number contained in zone. |
* @param count Number of frames to look for. |
* @param hint Used as zone hint. |
* |
* @return Zone index or -1 if not found. |
* |
*/ |
size_t find_zone(pfn_t frame, size_t count, size_t hint) |
{ |
if (hint >= zones.count) |
hint = 0; |
size_t i = hint; |
do { |
if ((zones.info[i].base <= frame) |
&& (zones.info[i].base + zones.info[i].count >= frame + count)) |
return i; |
i++; |
if (i >= zones.count) |
i = 0; |
} while (i != hint); |
return (size_t) -1; |
} |
/** @return True if zone can allocate specified order */ |
static bool zone_can_alloc(zone_t *zone, uint8_t order) |
{ |
return (zone_flags_available(zone->flags) |
&& buddy_system_can_alloc(zone->buddy_system, order)); |
} |
/** Find a zone that can allocate order frames. |
* |
* Assume interrupts are disabled and zones lock is |
* locked. |
* |
* @param order Size (2^order) of free space we are trying to find. |
* @param flags Required flags of the target zone. |
* @param hind Preferred zone. |
* |
*/ |
static size_t find_free_zone(uint8_t order, zone_flags_t flags, size_t hint) |
{ |
if (hint >= zones.count) |
hint = 0; |
size_t i = hint; |
do { |
/* |
* Check whether the zone meets the search criteria. |
*/ |
if ((zones.info[i].flags & flags) == flags) { |
/* |
* Check if the zone has 2^order frames area available. |
*/ |
if (zone_can_alloc(&zones.info[i], order)) |
return i; |
} |
i++; |
if (i >= zones.count) |
i = 0; |
} while (i != hint); |
return (size_t) -1; |
} |
/**************************/ |
/* Buddy system functions */ |
/**************************/ |
/** Buddy system find_block implementation. |
* |
* Find block that is parent of current list. |
* That means go to lower addresses, until such block is found |
* |
* @param order Order of parent must be different then this |
* parameter!! |
* |
*/ |
static link_t *zone_buddy_find_block(buddy_system_t *buddy, link_t *child, |
uint8_t order) |
{ |
frame_t *frame = list_get_instance(child, frame_t, buddy_link); |
zone_t *zone = (zone_t *) buddy->data; |
size_t index = frame_index(zone, frame); |
do { |
if (zone->frames[index].buddy_order != order) |
return &zone->frames[index].buddy_link; |
} while (index-- > 0); |
return NULL; |
} |
/** Buddy system find_buddy implementation. |
* |
* @param buddy Buddy system. |
* @param block Block for which buddy should be found. |
* |
* @return Buddy for given block if found. |
* |
*/ |
static link_t *zone_buddy_find_buddy(buddy_system_t *buddy, link_t *block) |
{ |
frame_t *frame = list_get_instance(block, frame_t, buddy_link); |
zone_t *zone = (zone_t *) buddy->data; |
ASSERT(IS_BUDDY_ORDER_OK(frame_index_abs(zone, frame), |
frame->buddy_order)); |
bool is_left = IS_BUDDY_LEFT_BLOCK_ABS(zone, frame); |
size_t index; |
if (is_left) { |
index = (frame_index(zone, frame)) + |
(1 << frame->buddy_order); |
} else { /* is_right */ |
index = (frame_index(zone, frame)) - |
(1 << frame->buddy_order); |
} |
if (frame_index_valid(zone, index)) { |
if ((zone->frames[index].buddy_order == frame->buddy_order) && |
(zone->frames[index].refcount == 0)) { |
return &zone->frames[index].buddy_link; |
} |
} |
return NULL; |
} |
/** Buddy system bisect implementation. |
* |
* @param buddy Buddy system. |
* @param block Block to bisect. |
* |
* @return Right block. |
* |
*/ |
static link_t *zone_buddy_bisect(buddy_system_t *buddy, link_t *block) |
{ |
frame_t *frame_l = list_get_instance(block, frame_t, buddy_link); |
frame_t *frame_r = (frame_l + (1 << (frame_l->buddy_order - 1))); |
return &frame_r->buddy_link; |
} |
/** Buddy system coalesce implementation. |
* |
* @param buddy Buddy system. |
* @param block_1 First block. |
* @param block_2 First block's buddy. |
* |
* @return Coalesced block (actually block that represents lower |
* address). |
* |
*/ |
static link_t *zone_buddy_coalesce(buddy_system_t *buddy, link_t *block_1, |
link_t *block_2) |
{ |
frame_t *frame1 = list_get_instance(block_1, frame_t, buddy_link); |
frame_t *frame2 = list_get_instance(block_2, frame_t, buddy_link); |
return ((frame1 < frame2) ? block_1 : block_2); |
} |
/** Buddy system set_order implementation. |
* |
* @param buddy Buddy system. |
* @param block Buddy system block. |
* @param order Order to set. |
* |
*/ |
static void zone_buddy_set_order(buddy_system_t *buddy, link_t *block, |
uint8_t order) |
{ |
list_get_instance(block, frame_t, buddy_link)->buddy_order = order; |
} |
/** Buddy system get_order implementation. |
* |
* @param buddy Buddy system. |
* @param block Buddy system block. |
* |
* @return Order of block. |
* |
*/ |
static uint8_t zone_buddy_get_order(buddy_system_t *buddy, link_t *block) |
{ |
return list_get_instance(block, frame_t, buddy_link)->buddy_order; |
} |
/** Buddy system mark_busy implementation. |
* |
* @param buddy Buddy system. |
* @param block Buddy system block. |
* |
*/ |
static void zone_buddy_mark_busy(buddy_system_t *buddy, link_t * block) |
{ |
list_get_instance(block, frame_t, buddy_link)->refcount = 1; |
} |
/** Buddy system mark_available implementation. |
* |
* @param buddy Buddy system. |
* @param block Buddy system block. |
*/ |
static void zone_buddy_mark_available(buddy_system_t *buddy, link_t *block) |
{ |
list_get_instance(block, frame_t, buddy_link)->refcount = 0; |
} |
static buddy_system_operations_t zone_buddy_system_operations = { |
.find_buddy = zone_buddy_find_buddy, |
.bisect = zone_buddy_bisect, |
.coalesce = zone_buddy_coalesce, |
.set_order = zone_buddy_set_order, |
.get_order = zone_buddy_get_order, |
.mark_busy = zone_buddy_mark_busy, |
.mark_available = zone_buddy_mark_available, |
.find_block = zone_buddy_find_block |
}; |
/******************/ |
/* Zone functions */ |
/******************/ |
/** Allocate frame in particular zone. |
* |
* Assume zone is locked and is available for allocation. |
* Panics if allocation is impossible. |
* |
* @param zone Zone to allocate from. |
* @param order Allocate exactly 2^order frames. |
* |
* @return Frame index in zone. |
* |
*/ |
static pfn_t zone_frame_alloc(zone_t *zone, uint8_t order) |
{ |
ASSERT(zone_flags_available(zone->flags)); |
/* Allocate frames from zone buddy system */ |
link_t *link = buddy_system_alloc(zone->buddy_system, order); |
ASSERT(link); |
/* Update zone information. */ |
zone->free_count -= (1 << order); |
zone->busy_count += (1 << order); |
/* Frame will be actually a first frame of the block. */ |
frame_t *frame = list_get_instance(link, frame_t, buddy_link); |
/* Get frame address */ |
return make_frame_index(zone, frame); |
} |
/** Free frame from zone. |
* |
* Assume zone is locked and is available for deallocation. |
* |
* @param zone Pointer to zone from which the frame is to be freed. |
* @param frame_idx Frame index relative to zone. |
* |
*/ |
static void zone_frame_free(zone_t *zone, size_t frame_idx) |
{ |
ASSERT(zone_flags_available(zone->flags)); |
frame_t *frame = &zone->frames[frame_idx]; |
/* Remember frame order */ |
uint8_t order = frame->buddy_order; |
ASSERT(frame->refcount); |
if (!--frame->refcount) { |
buddy_system_free(zone->buddy_system, &frame->buddy_link); |
/* Update zone information. */ |
zone->free_count += (1 << order); |
zone->busy_count -= (1 << order); |
} |
} |
/** Return frame from zone. */ |
static frame_t *zone_get_frame(zone_t *zone, size_t frame_idx) |
{ |
ASSERT(frame_idx < zone->count); |
return &zone->frames[frame_idx]; |
} |
/** Mark frame in zone unavailable to allocation. */ |
static void zone_mark_unavailable(zone_t *zone, size_t frame_idx) |
{ |
ASSERT(zone_flags_available(zone->flags)); |
frame_t *frame = zone_get_frame(zone, frame_idx); |
if (frame->refcount) |
return; |
link_t *link __attribute__ ((unused)); |
link = buddy_system_alloc_block(zone->buddy_system, |
&frame->buddy_link); |
ASSERT(link); |
zone->free_count--; |
} |
/** Merge two zones. |
* |
* Expect buddy to point to space at least zone_conf_size large. |
* Assume z1 & z2 are locked and compatible and zones lock is |
* locked. |
* |
* @param z1 First zone to merge. |
* @param z2 Second zone to merge. |
* @param old_z1 Original date of the first zone. |
* @param buddy Merged zone buddy. |
* |
*/ |
static void zone_merge_internal(size_t z1, size_t z2, zone_t *old_z1, buddy_system_t *buddy) |
{ |
ASSERT(zone_flags_available(zones.info[z1].flags)); |
ASSERT(zone_flags_available(zones.info[z2].flags)); |
ASSERT(zones.info[z1].flags == zones.info[z2].flags); |
ASSERT(zones.info[z1].base < zones.info[z2].base); |
ASSERT(!overlaps(zones.info[z1].base, zones.info[z1].count, |
zones.info[z2].base, zones.info[z2].count)); |
/* Difference between zone bases */ |
pfn_t base_diff = zones.info[z2].base - zones.info[z1].base; |
zones.info[z1].count = base_diff + zones.info[z2].count; |
zones.info[z1].free_count += zones.info[z2].free_count; |
zones.info[z1].busy_count += zones.info[z2].busy_count; |
zones.info[z1].buddy_system = buddy; |
uint8_t order = fnzb(zones.info[z1].count); |
buddy_system_create(zones.info[z1].buddy_system, order, |
&zone_buddy_system_operations, (void *) &zones.info[z1]); |
zones.info[z1].frames = |
(frame_t *) ((uint8_t *) zones.info[z1].buddy_system |
+ buddy_conf_size(order)); |
/* This marks all frames busy */ |
size_t i; |
for (i = 0; i < zones.info[z1].count; i++) |
frame_initialize(&zones.info[z1].frames[i]); |
/* Copy frames from both zones to preserve full frame orders, |
* parents etc. Set all free frames with refcount = 0 to 1, because |
* we add all free frames to buddy allocator later again, clearing |
* order to 0. Don't set busy frames with refcount = 0, as they |
* will not be reallocated during merge and it would make later |
* problems with allocation/free. |
*/ |
for (i = 0; i < old_z1->count; i++) |
zones.info[z1].frames[i] = old_z1->frames[i]; |
for (i = 0; i < zones.info[z2].count; i++) |
zones.info[z1].frames[base_diff + i] |
= zones.info[z2].frames[i]; |
i = 0; |
while (i < zones.info[z1].count) { |
if (zones.info[z1].frames[i].refcount) { |
/* Skip busy frames */ |
i += 1 << zones.info[z1].frames[i].buddy_order; |
} else { |
/* Free frames, set refcount = 1 |
* (all free frames have refcount == 0, we need not |
* to check the order) |
*/ |
zones.info[z1].frames[i].refcount = 1; |
zones.info[z1].frames[i].buddy_order = 0; |
i++; |
} |
} |
/* Add free blocks from the original zone z1 */ |
while (zone_can_alloc(old_z1, 0)) { |
/* Allocate from the original zone */ |
pfn_t frame_idx = zone_frame_alloc(old_z1, 0); |
/* Free the frame from the merged zone */ |
frame_t *frame = &zones.info[z1].frames[frame_idx]; |
frame->refcount = 0; |
buddy_system_free(zones.info[z1].buddy_system, &frame->buddy_link); |
} |
/* Add free blocks from the original zone z2 */ |
while (zone_can_alloc(&zones.info[z2], 0)) { |
/* Allocate from the original zone */ |
pfn_t frame_idx = zone_frame_alloc(&zones.info[z2], 0); |
/* Free the frame from the merged zone */ |
frame_t *frame = &zones.info[z1].frames[base_diff + frame_idx]; |
frame->refcount = 0; |
buddy_system_free(zones.info[z1].buddy_system, &frame->buddy_link); |
} |
} |
/** Return old configuration frames into the zone. |
* |
* We have two cases: |
* - The configuration data is outside the zone |
* -> do nothing (perhaps call frame_free?) |
* - The configuration data was created by zone_create |
* or updated by reduce_region -> free every frame |
* |
* @param znum The actual zone where freeing should occur. |
* @param pfn Old zone configuration frame. |
* @param count Old zone frame count. |
* |
*/ |
static void return_config_frames(size_t znum, pfn_t pfn, size_t count) |
{ |
ASSERT(zone_flags_available(zones.info[znum].flags)); |
size_t cframes = SIZE2FRAMES(zone_conf_size(count)); |
if ((pfn < zones.info[znum].base) |
|| (pfn >= zones.info[znum].base + zones.info[znum].count)) |
return; |
frame_t *frame __attribute__ ((unused)); |
frame = &zones.info[znum].frames[pfn - zones.info[znum].base]; |
ASSERT(!frame->buddy_order); |
size_t i; |
for (i = 0; i < cframes; i++) { |
zones.info[znum].busy_count++; |
zone_frame_free(&zones.info[znum], |
pfn - zones.info[znum].base + i); |
} |
} |
/** Reduce allocated block to count of order 0 frames. |
* |
* The allocated block needs 2^order frames. Reduce all frames |
* in the block to order 0 and free the unneeded frames. This means that |
* when freeing the previously allocated block starting with frame_idx, |
* you have to free every frame. |
* |
* @param znum Zone. |
* @param frame_idx Index the first frame of the block. |
* @param count Allocated frames in block. |
* |
*/ |
static void zone_reduce_region(size_t znum, pfn_t frame_idx, size_t count) |
{ |
ASSERT(zone_flags_available(zones.info[znum].flags)); |
ASSERT(frame_idx + count < zones.info[znum].count); |
uint8_t order = zones.info[znum].frames[frame_idx].buddy_order; |
ASSERT((size_t) (1 << order) >= count); |
/* Reduce all blocks to order 0 */ |
size_t i; |
for (i = 0; i < (size_t) (1 << order); i++) { |
frame_t *frame = &zones.info[znum].frames[i + frame_idx]; |
frame->buddy_order = 0; |
if (!frame->refcount) |
frame->refcount = 1; |
ASSERT(frame->refcount == 1); |
} |
/* Free unneeded frames */ |
for (i = count; i < (size_t) (1 << order); i++) |
zone_frame_free(&zones.info[znum], i + frame_idx); |
} |
/** Merge zones z1 and z2. |
* |
* The merged zones must be 2 zones with no zone existing in between |
* (which means that z2 = z1 + 1). Both zones must be available zones |
* with the same flags. |
* |
* When you create a new zone, the frame allocator configuration does |
* not to be 2^order size. Once the allocator is running it is no longer |
* possible, merged configuration data occupies more space :-/ |
* |
* The function uses |
* |
*/ |
bool zone_merge(size_t z1, size_t z2) |
{ |
ipl_t ipl = interrupts_disable(); |
spinlock_lock(&zones.lock); |
bool ret = true; |
/* We can join only 2 zones with none existing inbetween, |
* the zones have to be available and with the same |
* set of flags |
*/ |
if ((z1 >= zones.count) || (z2 >= zones.count) |
|| (z2 - z1 != 1) |
|| (!zone_flags_available(zones.info[z1].flags)) |
|| (!zone_flags_available(zones.info[z2].flags)) |
|| (zones.info[z1].flags != zones.info[z2].flags)) { |
ret = false; |
goto errout; |
} |
pfn_t cframes = SIZE2FRAMES(zone_conf_size( |
zones.info[z2].base - zones.info[z1].base |
+ zones.info[z2].count)); |
uint8_t order; |
if (cframes == 1) |
order = 0; |
else |
order = fnzb(cframes - 1) + 1; |
/* Allocate merged zone data inside one of the zones */ |
pfn_t pfn; |
if (zone_can_alloc(&zones.info[z1], order)) { |
pfn = zones.info[z1].base + zone_frame_alloc(&zones.info[z1], order); |
} else if (zone_can_alloc(&zones.info[z2], order)) { |
pfn = zones.info[z2].base + zone_frame_alloc(&zones.info[z2], order); |
} else { |
ret = false; |
goto errout; |
} |
/* Preserve original data from z1 */ |
zone_t old_z1 = zones.info[z1]; |
old_z1.buddy_system->data = (void *) &old_z1; |
/* Do zone merging */ |
buddy_system_t *buddy = (buddy_system_t *) PA2KA(PFN2ADDR(pfn)); |
zone_merge_internal(z1, z2, &old_z1, buddy); |
/* Free unneeded config frames */ |
zone_reduce_region(z1, pfn - zones.info[z1].base, cframes); |
/* Subtract zone information from busy frames */ |
zones.info[z1].busy_count -= cframes; |
/* Free old zone information */ |
return_config_frames(z1, |
ADDR2PFN(KA2PA((uintptr_t) old_z1.frames)), old_z1.count); |
return_config_frames(z1, |
ADDR2PFN(KA2PA((uintptr_t) zones.info[z2].frames)), |
zones.info[z2].count); |
/* Move zones down */ |
size_t i; |
for (i = z2 + 1; i < zones.count; i++) { |
zones.info[i - 1] = zones.info[i]; |
zones.info[i - 1].buddy_system->data = |
(void *) &zones.info[i - 1]; |
} |
zones.count--; |
errout: |
spinlock_unlock(&zones.lock); |
interrupts_restore(ipl); |
return ret; |
} |
/** Merge all mergeable zones into one big zone. |
* |
* It is reasonable to do this on systems where |
* BIOS reports parts in chunks, so that we could |
* have 1 zone (it's faster). |
* |
*/ |
void zone_merge_all(void) |
{ |
size_t i = 0; |
while (i < zones.count) { |
if (!zone_merge(i, i + 1)) |
i++; |
} |
} |
/** Create new frame zone. |
* |
* @param zone Zone to construct. |
* @param buddy Address of buddy system configuration information. |
* @param start Physical address of the first frame within the zone. |
* @param count Count of frames in zone. |
* @param flags Zone flags. |
* |
* @return Initialized zone. |
* |
*/ |
static void zone_construct(zone_t *zone, buddy_system_t *buddy, pfn_t start, size_t count, zone_flags_t flags) |
{ |
zone->base = start; |
zone->count = count; |
zone->flags = flags; |
zone->free_count = count; |
zone->busy_count = 0; |
zone->buddy_system = buddy; |
if (zone_flags_available(flags)) { |
/* |
* Compute order for buddy system and initialize |
*/ |
uint8_t order = fnzb(count); |
buddy_system_create(zone->buddy_system, order, |
&zone_buddy_system_operations, (void *) zone); |
/* Allocate frames _after_ the confframe */ |
/* Check sizes */ |
zone->frames = (frame_t *) ((uint8_t *) zone->buddy_system + |
buddy_conf_size(order)); |
size_t i; |
for (i = 0; i < count; i++) |
frame_initialize(&zone->frames[i]); |
/* Stuffing frames */ |
for (i = 0; i < count; i++) { |
zone->frames[i].refcount = 0; |
buddy_system_free(zone->buddy_system, &zone->frames[i].buddy_link); |
} |
} else |
zone->frames = NULL; |
} |
/** Compute configuration data size for zone. |
* |
* @param count Size of zone in frames. |
* |
* @return Size of zone configuration info (in bytes). |
* |
*/ |
uintptr_t zone_conf_size(size_t count) |
{ |
return (count * sizeof(frame_t) + buddy_conf_size(fnzb(count))); |
} |
/** Create and add zone to system. |
* |
* @param start First frame number (absolute). |
* @param count Size of zone in frames. |
* @param confframe Where configuration frames are supposed to be. |
* Automatically checks, that we will not disturb the |
* kernel and possibly init. If confframe is given |
* _outside_ this zone, it is expected, that the area is |
* already marked BUSY and big enough to contain |
* zone_conf_size() amount of data. If the confframe is |
* inside the area, the zone free frame information is |
* modified not to include it. |
* |
* @return Zone number or -1 on error. |
* |
*/ |
size_t zone_create(pfn_t start, size_t count, pfn_t confframe, zone_flags_t flags) |
{ |
ipl_t ipl = interrupts_disable(); |
spinlock_lock(&zones.lock); |
if (zone_flags_available(flags)) { /* Create available zone */ |
/* Theoretically we could have NULL here, practically make sure |
* nobody tries to do that. If some platform requires, remove |
* the assert |
*/ |
ASSERT(confframe != NULL); |
/* If confframe is supposed to be inside our zone, then make sure |
* it does not span kernel & init |
*/ |
size_t confcount = SIZE2FRAMES(zone_conf_size(count)); |
if ((confframe >= start) && (confframe < start + count)) { |
for (; confframe < start + count; confframe++) { |
uintptr_t addr = PFN2ADDR(confframe); |
if (overlaps(addr, PFN2ADDR(confcount), |
KA2PA(config.base), config.kernel_size)) |
continue; |
if (overlaps(addr, PFN2ADDR(confcount), |
KA2PA(config.stack_base), config.stack_size)) |
continue; |
bool overlap = false; |
size_t i; |
for (i = 0; i < init.cnt; i++) |
if (overlaps(addr, PFN2ADDR(confcount), |
KA2PA(init.tasks[i].addr), |
init.tasks[i].size)) { |
overlap = true; |
break; |
} |
if (overlap) |
continue; |
break; |
} |
if (confframe >= start + count) |
panic("Cannot find configuration data for zone."); |
} |
size_t znum = zones_insert_zone(start, count); |
if (znum == (size_t) -1) { |
spinlock_unlock(&zones.lock); |
interrupts_restore(ipl); |
return (size_t) -1; |
} |
buddy_system_t *buddy = (buddy_system_t *) PA2KA(PFN2ADDR(confframe)); |
zone_construct(&zones.info[znum], buddy, start, count, flags); |
/* If confdata in zone, mark as unavailable */ |
if ((confframe >= start) && (confframe < start + count)) { |
size_t i; |
for (i = confframe; i < confframe + confcount; i++) |
zone_mark_unavailable(&zones.info[znum], |
i - zones.info[znum].base); |
} |
spinlock_unlock(&zones.lock); |
interrupts_restore(ipl); |
return znum; |
} |
/* Non-available zone */ |
size_t znum = zones_insert_zone(start, count); |
if (znum == (size_t) -1) { |
spinlock_unlock(&zones.lock); |
interrupts_restore(ipl); |
return (size_t) -1; |
} |
zone_construct(&zones.info[znum], NULL, start, count, flags); |
spinlock_unlock(&zones.lock); |
interrupts_restore(ipl); |
return znum; |
} |
/*******************/ |
/* Frame functions */ |
/*******************/ |
/** Set parent of frame. */ |
void frame_set_parent(pfn_t pfn, void *data, size_t hint) |
{ |
ipl_t ipl = interrupts_disable(); |
spinlock_lock(&zones.lock); |
size_t znum = find_zone(pfn, 1, hint); |
ASSERT(znum != (size_t) -1); |
zone_get_frame(&zones.info[znum], |
pfn - zones.info[znum].base)->parent = data; |
spinlock_unlock(&zones.lock); |
interrupts_restore(ipl); |
} |
void *frame_get_parent(pfn_t pfn, size_t hint) |
{ |
ipl_t ipl = interrupts_disable(); |
spinlock_lock(&zones.lock); |
size_t znum = find_zone(pfn, 1, hint); |
ASSERT(znum != (size_t) -1); |
void *res = zone_get_frame(&zones.info[znum], |
pfn - zones.info[znum].base)->parent; |
spinlock_unlock(&zones.lock); |
interrupts_restore(ipl); |
return res; |
} |
/** Allocate power-of-two frames of physical memory. |
* |
* @param order Allocate exactly 2^order frames. |
* @param flags Flags for host zone selection and address processing. |
* @param pzone Preferred zone. |
* |
* @return Physical address of the allocated frame. |
* |
*/ |
void *frame_alloc_generic(uint8_t order, frame_flags_t flags, size_t *pzone) |
{ |
size_t size = ((size_t) 1) << order; |
ipl_t ipl; |
size_t hint = pzone ? (*pzone) : 0; |
loop: |
ipl = interrupts_disable(); |
spinlock_lock(&zones.lock); |
/* |
* First, find suitable frame zone. |
*/ |
size_t znum = find_free_zone(order, |
FRAME_TO_ZONE_FLAGS(flags), hint); |
/* If no memory, reclaim some slab memory, |
if it does not help, reclaim all */ |
if ((znum == (size_t) -1) && (!(flags & FRAME_NO_RECLAIM))) { |
spinlock_unlock(&zones.lock); |
interrupts_restore(ipl); |
size_t freed = slab_reclaim(0); |
ipl = interrupts_disable(); |
spinlock_lock(&zones.lock); |
if (freed > 0) |
znum = find_free_zone(order, |
FRAME_TO_ZONE_FLAGS(flags), hint); |
if (znum == (size_t) -1) { |
spinlock_unlock(&zones.lock); |
interrupts_restore(ipl); |
freed = slab_reclaim(SLAB_RECLAIM_ALL); |
ipl = interrupts_disable(); |
spinlock_lock(&zones.lock); |
if (freed > 0) |
znum = find_free_zone(order, |
FRAME_TO_ZONE_FLAGS(flags), hint); |
} |
} |
if (znum == (size_t) -1) { |
if (flags & FRAME_ATOMIC) { |
spinlock_unlock(&zones.lock); |
interrupts_restore(ipl); |
return NULL; |
} |
#ifdef CONFIG_DEBUG |
size_t avail = total_frames_free(); |
#endif |
spinlock_unlock(&zones.lock); |
interrupts_restore(ipl); |
/* |
* Sleep until some frames are available again. |
*/ |
#ifdef CONFIG_DEBUG |
printf("Thread %" PRIu64 " waiting for %" PRIs " frames, " |
"%" PRIs " available.\n", THREAD->tid, size, avail); |
#endif |
mutex_lock(&mem_avail_mtx); |
if (mem_avail_req > 0) |
mem_avail_req = min(mem_avail_req, size); |
else |
mem_avail_req = size; |
size_t gen = mem_avail_gen; |
while (gen == mem_avail_gen) |
condvar_wait(&mem_avail_cv, &mem_avail_mtx); |
mutex_unlock(&mem_avail_mtx); |
#ifdef CONFIG_DEBUG |
printf("Thread %" PRIu64 " woken up.\n", THREAD->tid); |
#endif |
goto loop; |
} |
pfn_t pfn = zone_frame_alloc(&zones.info[znum], order) |
+ zones.info[znum].base; |
spinlock_unlock(&zones.lock); |
interrupts_restore(ipl); |
if (pzone) |
*pzone = znum; |
if (flags & FRAME_KA) |
return (void *) PA2KA(PFN2ADDR(pfn)); |
return (void *) PFN2ADDR(pfn); |
} |
/** Free a frame. |
* |
* Find respective frame structure for supplied physical frame address. |
* Decrement frame reference count. If it drops to zero, move the frame |
* structure to free list. |
* |
* @param frame Physical Address of of the frame to be freed. |
* |
*/ |
void frame_free(uintptr_t frame) |
{ |
ipl_t ipl = interrupts_disable(); |
spinlock_lock(&zones.lock); |
/* |
* First, find host frame zone for addr. |
*/ |
pfn_t pfn = ADDR2PFN(frame); |
size_t znum = find_zone(pfn, 1, NULL); |
ASSERT(znum != (size_t) -1); |
zone_frame_free(&zones.info[znum], pfn - zones.info[znum].base); |
spinlock_unlock(&zones.lock); |
interrupts_restore(ipl); |
/* |
* Signal that some memory has been freed. |
*/ |
mutex_lock(&mem_avail_mtx); |
if (mem_avail_req > 0) |
mem_avail_req--; |
if (mem_avail_req == 0) { |
mem_avail_gen++; |
condvar_broadcast(&mem_avail_cv); |
} |
mutex_unlock(&mem_avail_mtx); |
} |
/** Add reference to frame. |
* |
* Find respective frame structure for supplied PFN and |
* increment frame reference count. |
* |
* @param pfn Frame number of the frame to be freed. |
* |
*/ |
void frame_reference_add(pfn_t pfn) |
{ |
ipl_t ipl = interrupts_disable(); |
spinlock_lock(&zones.lock); |
/* |
* First, find host frame zone for addr. |
*/ |
size_t znum = find_zone(pfn, 1, NULL); |
ASSERT(znum != (size_t) -1); |
zones.info[znum].frames[pfn - zones.info[znum].base].refcount++; |
spinlock_unlock(&zones.lock); |
interrupts_restore(ipl); |
} |
/** Mark given range unavailable in frame zones. */ |
void frame_mark_unavailable(pfn_t start, size_t count) |
{ |
ipl_t ipl = interrupts_disable(); |
spinlock_lock(&zones.lock); |
size_t i; |
for (i = 0; i < count; i++) { |
size_t znum = find_zone(start + i, 1, 0); |
if (znum == (size_t) -1) /* PFN not found */ |
continue; |
zone_mark_unavailable(&zones.info[znum], |
start + i - zones.info[znum].base); |
} |
spinlock_unlock(&zones.lock); |
interrupts_restore(ipl); |
} |
/** Initialize physical memory management. */ |
void frame_init(void) |
{ |
if (config.cpu_active == 1) { |
zones.count = 0; |
spinlock_initialize(&zones.lock, "zones.lock"); |
mutex_initialize(&mem_avail_mtx, MUTEX_ACTIVE); |
condvar_initialize(&mem_avail_cv); |
} |
/* Tell the architecture to create some memory */ |
frame_arch_init(); |
if (config.cpu_active == 1) { |
frame_mark_unavailable(ADDR2PFN(KA2PA(config.base)), |
SIZE2FRAMES(config.kernel_size)); |
frame_mark_unavailable(ADDR2PFN(KA2PA(config.stack_base)), |
SIZE2FRAMES(config.stack_size)); |
size_t i; |
for (i = 0; i < init.cnt; i++) { |
pfn_t pfn = ADDR2PFN(KA2PA(init.tasks[i].addr)); |
frame_mark_unavailable(pfn, |
SIZE2FRAMES(init.tasks[i].size)); |
} |
if (ballocs.size) |
frame_mark_unavailable(ADDR2PFN(KA2PA(ballocs.base)), |
SIZE2FRAMES(ballocs.size)); |
/* Black list first frame, as allocating NULL would |
* fail in some places |
*/ |
frame_mark_unavailable(0, 1); |
} |
} |
/** Return total size of all zones. */ |
uint64_t zone_total_size(void) |
{ |
ipl_t ipl = interrupts_disable(); |
spinlock_lock(&zones.lock); |
uint64_t total = 0; |
size_t i; |
for (i = 0; i < zones.count; i++) |
total += (uint64_t) FRAMES2SIZE(zones.info[i].count); |
spinlock_unlock(&zones.lock); |
interrupts_restore(ipl); |
return total; |
} |
/** Prints list of zones. */ |
void zone_print_list(void) |
{ |
#ifdef __32_BITS__ |
printf("# base address frames flags free frames busy frames\n"); |
printf("-- ------------ ------------ -------- ------------ ------------\n"); |
#endif |
#ifdef __64_BITS__ |
printf("# base address frames flags free frames busy frames\n"); |
printf("-- -------------------- ------------ -------- ------------ ------------\n"); |
#endif |
/* |
* Because printing may require allocation of memory, we may not hold |
* the frame allocator locks when printing zone statistics. Therefore, |
* we simply gather the statistics under the protection of the locks and |
* print the statistics when the locks have been released. |
* |
* When someone adds/removes zones while we are printing the statistics, |
* we may end up with inaccurate output (e.g. a zone being skipped from |
* the listing). |
*/ |
size_t i; |
for (i = 0;; i++) { |
ipl_t ipl = interrupts_disable(); |
spinlock_lock(&zones.lock); |
if (i >= zones.count) { |
spinlock_unlock(&zones.lock); |
interrupts_restore(ipl); |
break; |
} |
uintptr_t base = PFN2ADDR(zones.info[i].base); |
size_t count = zones.info[i].count; |
zone_flags_t flags = zones.info[i].flags; |
size_t free_count = zones.info[i].free_count; |
size_t busy_count = zones.info[i].busy_count; |
spinlock_unlock(&zones.lock); |
interrupts_restore(ipl); |
bool available = zone_flags_available(flags); |
printf("%-2" PRIs, i); |
#ifdef __32_BITS__ |
printf(" %10p", base); |
#endif |
#ifdef __64_BITS__ |
printf(" %18p", base); |
#endif |
printf(" %12" PRIs " %c%c%c ", count, |
available ? 'A' : ' ', |
(flags & ZONE_RESERVED) ? 'R' : ' ', |
(flags & ZONE_FIRMWARE) ? 'F' : ' '); |
if (available) |
printf("%12" PRIs " %12" PRIs, |
free_count, busy_count); |
printf("\n"); |
} |
} |
/** Prints zone details. |
* |
* @param num Zone base address or zone number. |
* |
*/ |
void zone_print_one(size_t num) |
{ |
ipl_t ipl = interrupts_disable(); |
spinlock_lock(&zones.lock); |
size_t znum = (size_t) -1; |
size_t i; |
for (i = 0; i < zones.count; i++) { |
if ((i == num) || (PFN2ADDR(zones.info[i].base) == num)) { |
znum = i; |
break; |
} |
} |
if (znum == (size_t) -1) { |
spinlock_unlock(&zones.lock); |
interrupts_restore(ipl); |
printf("Zone not found.\n"); |
return; |
} |
uintptr_t base = PFN2ADDR(zones.info[i].base); |
zone_flags_t flags = zones.info[i].flags; |
size_t count = zones.info[i].count; |
size_t free_count = zones.info[i].free_count; |
size_t busy_count = zones.info[i].busy_count; |
spinlock_unlock(&zones.lock); |
interrupts_restore(ipl); |
bool available = zone_flags_available(flags); |
printf("Zone number: %" PRIs "\n", znum); |
printf("Zone base address: %p\n", base); |
printf("Zone size: %" PRIs " frames (%" PRIs " KiB)\n", count, |
SIZE2KB(FRAMES2SIZE(count))); |
printf("Zone flags: %c%c%c\n", |
available ? 'A' : ' ', |
(flags & ZONE_RESERVED) ? 'R' : ' ', |
(flags & ZONE_FIRMWARE) ? 'F' : ' '); |
if (available) { |
printf("Allocated space: %" PRIs " frames (%" PRIs " KiB)\n", |
busy_count, SIZE2KB(FRAMES2SIZE(busy_count))); |
printf("Available space: %" PRIs " frames (%" PRIs " KiB)\n", |
free_count, SIZE2KB(FRAMES2SIZE(free_count))); |
} |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/mm/backend_elf.c |
---|
0,0 → 1,352 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericmm |
* @{ |
*/ |
/** |
* @file |
* @brief Backend for address space areas backed by an ELF image. |
*/ |
#include <lib/elf.h> |
#include <debug.h> |
#include <arch/types.h> |
#include <mm/as.h> |
#include <mm/frame.h> |
#include <mm/slab.h> |
#include <mm/page.h> |
#include <genarch/mm/page_pt.h> |
#include <genarch/mm/page_ht.h> |
#include <align.h> |
#include <memstr.h> |
#include <macros.h> |
#include <arch.h> |
#include <arch/barrier.h> |
#ifdef CONFIG_VIRT_IDX_DCACHE |
#include <arch/mm/cache.h> |
#endif |
static int elf_page_fault(as_area_t *area, uintptr_t addr, pf_access_t access); |
static void elf_frame_free(as_area_t *area, uintptr_t page, uintptr_t frame); |
static void elf_share(as_area_t *area); |
mem_backend_t elf_backend = { |
.page_fault = elf_page_fault, |
.frame_free = elf_frame_free, |
.share = elf_share |
}; |
/** Service a page fault in the ELF backend address space area. |
* |
* The address space area and page tables must be already locked. |
* |
* @param area Pointer to the address space area. |
* @param addr Faulting virtual address. |
* @param access Access mode that caused the fault (i.e. |
* read/write/exec). |
* |
* @return AS_PF_FAULT on failure (i.e. page fault) or AS_PF_OK |
* on success (i.e. serviced). |
*/ |
int elf_page_fault(as_area_t *area, uintptr_t addr, pf_access_t access) |
{ |
elf_header_t *elf = area->backend_data.elf; |
elf_segment_header_t *entry = area->backend_data.segment; |
btree_node_t *leaf; |
uintptr_t base, frame, page, start_anon; |
size_t i; |
bool dirty = false; |
if (!as_area_check_access(area, access)) |
return AS_PF_FAULT; |
ASSERT((addr >= ALIGN_DOWN(entry->p_vaddr, PAGE_SIZE)) && |
(addr < entry->p_vaddr + entry->p_memsz)); |
i = (addr - ALIGN_DOWN(entry->p_vaddr, PAGE_SIZE)) >> PAGE_WIDTH; |
base = (uintptr_t) |
(((void *) elf) + ALIGN_DOWN(entry->p_offset, PAGE_SIZE)); |
/* Virtual address of faulting page*/ |
page = ALIGN_DOWN(addr, PAGE_SIZE); |
/* Virtual address of the end of initialized part of segment */ |
start_anon = entry->p_vaddr + entry->p_filesz; |
if (area->sh_info) { |
bool found = false; |
/* |
* The address space area is shared. |
*/ |
mutex_lock(&area->sh_info->lock); |
frame = (uintptr_t) btree_search(&area->sh_info->pagemap, |
page - area->base, &leaf); |
if (!frame) { |
unsigned int i; |
/* |
* Workaround for valid NULL address. |
*/ |
for (i = 0; i < leaf->keys; i++) { |
if (leaf->key[i] == page - area->base) { |
found = true; |
break; |
} |
} |
} |
if (frame || found) { |
frame_reference_add(ADDR2PFN(frame)); |
page_mapping_insert(AS, addr, frame, |
as_area_get_flags(area)); |
if (!used_space_insert(area, page, 1)) |
panic("Cannot insert used space."); |
mutex_unlock(&area->sh_info->lock); |
return AS_PF_OK; |
} |
} |
/* |
* The area is either not shared or the pagemap does not contain the |
* mapping. |
*/ |
if (page >= entry->p_vaddr && page + PAGE_SIZE <= start_anon) { |
/* |
* Initialized portion of the segment. The memory is backed |
* directly by the content of the ELF image. Pages are |
* only copied if the segment is writable so that there |
* can be more instantions of the same memory ELF image |
* used at a time. Note that this could be later done |
* as COW. |
*/ |
if (entry->p_flags & PF_W) { |
frame = (uintptr_t)frame_alloc(ONE_FRAME, 0); |
memcpy((void *) PA2KA(frame), |
(void *) (base + i * FRAME_SIZE), FRAME_SIZE); |
if (entry->p_flags & PF_X) { |
smc_coherence_block((void *) PA2KA(frame), |
FRAME_SIZE); |
} |
dirty = true; |
} else { |
frame = KA2PA(base + i * FRAME_SIZE); |
} |
} else if (page >= start_anon) { |
/* |
* This is the uninitialized portion of the segment. |
* It is not physically present in the ELF image. |
* To resolve the situation, a frame must be allocated |
* and cleared. |
*/ |
frame = (uintptr_t)frame_alloc(ONE_FRAME, 0); |
memsetb((void *) PA2KA(frame), FRAME_SIZE, 0); |
dirty = true; |
} else { |
size_t pad_lo, pad_hi; |
/* |
* The mixed case. |
* |
* The middle part is backed by the ELF image and |
* the lower and upper parts are anonymous memory. |
* (The segment can be and often is shorter than 1 page). |
*/ |
if (page < entry->p_vaddr) |
pad_lo = entry->p_vaddr - page; |
else |
pad_lo = 0; |
if (start_anon < page + PAGE_SIZE) |
pad_hi = page + PAGE_SIZE - start_anon; |
else |
pad_hi = 0; |
frame = (uintptr_t)frame_alloc(ONE_FRAME, 0); |
memcpy((void *) (PA2KA(frame) + pad_lo), |
(void *) (base + i * FRAME_SIZE + pad_lo), |
FRAME_SIZE - pad_lo - pad_hi); |
if (entry->p_flags & PF_X) { |
smc_coherence_block((void *) (PA2KA(frame) + pad_lo), |
FRAME_SIZE - pad_lo - pad_hi); |
} |
memsetb((void *) PA2KA(frame), pad_lo, 0); |
memsetb((void *) (PA2KA(frame) + FRAME_SIZE - pad_hi), pad_hi, |
0); |
dirty = true; |
} |
if (dirty && area->sh_info) { |
frame_reference_add(ADDR2PFN(frame)); |
btree_insert(&area->sh_info->pagemap, page - area->base, |
(void *) frame, leaf); |
} |
if (area->sh_info) |
mutex_unlock(&area->sh_info->lock); |
page_mapping_insert(AS, addr, frame, as_area_get_flags(area)); |
if (!used_space_insert(area, page, 1)) |
panic("Cannot insert used space."); |
return AS_PF_OK; |
} |
/** Free a frame that is backed by the ELF backend. |
* |
* The address space area and page tables must be already locked. |
* |
* @param area Pointer to the address space area. |
* @param page Page that is mapped to frame. Must be aligned to |
* PAGE_SIZE. |
* @param frame Frame to be released. |
* |
*/ |
void elf_frame_free(as_area_t *area, uintptr_t page, uintptr_t frame) |
{ |
elf_header_t *elf = area->backend_data.elf; |
elf_segment_header_t *entry = area->backend_data.segment; |
uintptr_t base, start_anon; |
size_t i; |
ASSERT((page >= ALIGN_DOWN(entry->p_vaddr, PAGE_SIZE)) && |
(page < entry->p_vaddr + entry->p_memsz)); |
i = (page - ALIGN_DOWN(entry->p_vaddr, PAGE_SIZE)) >> PAGE_WIDTH; |
base = (uintptr_t) (((void *) elf) + |
ALIGN_DOWN(entry->p_offset, FRAME_SIZE)); |
start_anon = entry->p_vaddr + entry->p_filesz; |
if (page >= entry->p_vaddr && page + PAGE_SIZE <= start_anon) { |
if (entry->p_flags & PF_W) { |
/* |
* Free the frame with the copy of writable segment |
* data. |
*/ |
frame_free(frame); |
} |
} else { |
/* |
* The frame is either anonymous memory or the mixed case (i.e. |
* lower part is backed by the ELF image and the upper is |
* anonymous). In any case, a frame needs to be freed. |
*/ |
frame_free(frame); |
} |
} |
/** Share ELF image backed address space area. |
* |
* If the area is writable, then all mapped pages are duplicated in the pagemap. |
* Otherwise only portions of the area that are not backed by the ELF image |
* are put into the pagemap. |
* |
* The address space and address space area must be locked prior to the call. |
* |
* @param area Address space area. |
*/ |
void elf_share(as_area_t *area) |
{ |
elf_segment_header_t *entry = area->backend_data.segment; |
link_t *cur; |
btree_node_t *leaf, *node; |
uintptr_t start_anon = entry->p_vaddr + entry->p_filesz; |
/* |
* Find the node in which to start linear search. |
*/ |
if (area->flags & AS_AREA_WRITE) { |
node = list_get_instance(area->used_space.leaf_head.next, |
btree_node_t, leaf_link); |
} else { |
(void) btree_search(&area->sh_info->pagemap, start_anon, &leaf); |
node = btree_leaf_node_left_neighbour(&area->sh_info->pagemap, |
leaf); |
if (!node) |
node = leaf; |
} |
/* |
* Copy used anonymous portions of the area to sh_info's page map. |
*/ |
mutex_lock(&area->sh_info->lock); |
for (cur = &node->leaf_link; cur != &area->used_space.leaf_head; |
cur = cur->next) { |
unsigned int i; |
node = list_get_instance(cur, btree_node_t, leaf_link); |
for (i = 0; i < node->keys; i++) { |
uintptr_t base = node->key[i]; |
size_t count = (size_t) node->value[i]; |
unsigned int j; |
/* |
* Skip read-only areas of used space that are backed |
* by the ELF image. |
*/ |
if (!(area->flags & AS_AREA_WRITE)) |
if (base >= entry->p_vaddr && |
base + count * PAGE_SIZE <= start_anon) |
continue; |
for (j = 0; j < count; j++) { |
pte_t *pte; |
/* |
* Skip read-only pages that are backed by the |
* ELF image. |
*/ |
if (!(area->flags & AS_AREA_WRITE)) |
if (base >= entry->p_vaddr && |
base + (j + 1) * PAGE_SIZE <= |
start_anon) |
continue; |
page_table_lock(area->as, false); |
pte = page_mapping_find(area->as, |
base + j * PAGE_SIZE); |
ASSERT(pte && PTE_VALID(pte) && |
PTE_PRESENT(pte)); |
btree_insert(&area->sh_info->pagemap, |
(base + j * PAGE_SIZE) - area->base, |
(void *) PTE_GET_FRAME(pte), NULL); |
page_table_unlock(area->as, false); |
pfn_t pfn = ADDR2PFN(PTE_GET_FRAME(pte)); |
frame_reference_add(pfn); |
} |
} |
} |
mutex_unlock(&area->sh_info->lock); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/mm/buddy.c |
---|
0,0 → 1,284 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericmm |
* @{ |
*/ |
/** |
* @file |
* @brief Buddy allocator framework. |
* |
* This file contains buddy system allocator framework. |
* Specialized functions are needed for this abstract framework to be useful. |
*/ |
#include <mm/buddy.h> |
#include <mm/frame.h> |
#include <arch/types.h> |
#include <debug.h> |
#include <print.h> |
#include <macros.h> |
/** Return size needed for the buddy configuration data. */ |
size_t buddy_conf_size(size_t max_order) |
{ |
return sizeof(buddy_system_t) + (max_order + 1) * sizeof(link_t); |
} |
/** Create buddy system. |
* |
* Allocate memory for and initialize new buddy system. |
* |
* @param b Preallocated buddy system control data. |
* @param max_order The biggest allocable size will be 2^max_order. |
* @param op Operations for new buddy system. |
* @param data Pointer to be used by implementation. |
* |
* @return New buddy system. |
*/ |
void |
buddy_system_create(buddy_system_t *b, uint8_t max_order, |
buddy_system_operations_t *op, void *data) |
{ |
int i; |
ASSERT(max_order < BUDDY_SYSTEM_INNER_BLOCK); |
ASSERT(op->find_buddy); |
ASSERT(op->set_order); |
ASSERT(op->get_order); |
ASSERT(op->bisect); |
ASSERT(op->coalesce); |
ASSERT(op->mark_busy); |
/* |
* Use memory after our own structure. |
*/ |
b->order = (link_t *) (&b[1]); |
for (i = 0; i <= max_order; i++) |
list_initialize(&b->order[i]); |
b->max_order = max_order; |
b->op = op; |
b->data = data; |
} |
/** Check if buddy system can allocate block. |
* |
* @param b Buddy system pointer. |
* @param i Size of the block (2^i). |
* |
* @return True if block can be allocated. |
*/ |
bool buddy_system_can_alloc(buddy_system_t *b, uint8_t i) |
{ |
uint8_t k; |
/* |
* If requested block is greater then maximal block |
* we know immediatly that we cannot satisfy the request. |
*/ |
if (i > b->max_order) |
return false; |
/* |
* Check if any bigger or equal order has free elements |
*/ |
for (k = i; k <= b->max_order; k++) { |
if (!list_empty(&b->order[k])) { |
return true; |
} |
} |
return false; |
} |
/** Allocate PARTICULAR block from buddy system. |
* |
* @return Block of data or NULL if no such block was found. |
*/ |
link_t *buddy_system_alloc_block(buddy_system_t *b, link_t *block) |
{ |
link_t *left,*right, *tmp; |
uint8_t order; |
left = b->op->find_block(b, block, BUDDY_SYSTEM_INNER_BLOCK); |
ASSERT(left); |
list_remove(left); |
while (1) { |
if (!b->op->get_order(b, left)) { |
b->op->mark_busy(b, left); |
return left; |
} |
order = b->op->get_order(b, left); |
right = b->op->bisect(b, left); |
b->op->set_order(b, left, order - 1); |
b->op->set_order(b, right, order - 1); |
tmp = b->op->find_block(b, block, BUDDY_SYSTEM_INNER_BLOCK); |
if (tmp == right) { |
right = left; |
left = tmp; |
} |
ASSERT(tmp == left); |
b->op->mark_busy(b, left); |
buddy_system_free(b, right); |
b->op->mark_available(b, left); |
} |
} |
/** Allocate block from buddy system. |
* |
* @param b Buddy system pointer. |
* @param i Returned block will be 2^i big. |
* |
* @return Block of data represented by link_t. |
*/ |
link_t *buddy_system_alloc(buddy_system_t *b, uint8_t i) |
{ |
link_t *res, *hlp; |
ASSERT(i <= b->max_order); |
/* |
* If the list of order i is not empty, |
* the request can be immediatelly satisfied. |
*/ |
if (!list_empty(&b->order[i])) { |
res = b->order[i].next; |
list_remove(res); |
b->op->mark_busy(b, res); |
return res; |
} |
/* |
* If order i is already the maximal order, |
* the request cannot be satisfied. |
*/ |
if (i == b->max_order) |
return NULL; |
/* |
* Try to recursively satisfy the request from higher order lists. |
*/ |
hlp = buddy_system_alloc(b, i + 1); |
/* |
* The request could not be satisfied |
* from higher order lists. |
*/ |
if (!hlp) |
return NULL; |
res = hlp; |
/* |
* Bisect the block and set order of both of its parts to i. |
*/ |
hlp = b->op->bisect(b, res); |
b->op->set_order(b, res, i); |
b->op->set_order(b, hlp, i); |
/* |
* Return the other half to buddy system. Mark the first part |
* full, so that it won't coalesce again. |
*/ |
b->op->mark_busy(b, res); |
buddy_system_free(b, hlp); |
return res; |
} |
/** Return block to buddy system. |
* |
* @param b Buddy system pointer. |
* @param block Block to return. |
*/ |
void buddy_system_free(buddy_system_t *b, link_t *block) |
{ |
link_t *buddy, *hlp; |
uint8_t i; |
/* |
* Determine block's order. |
*/ |
i = b->op->get_order(b, block); |
ASSERT(i <= b->max_order); |
if (i != b->max_order) { |
/* |
* See if there is any buddy in the list of order i. |
*/ |
buddy = b->op->find_buddy(b, block); |
if (buddy) { |
ASSERT(b->op->get_order(b, buddy) == i); |
/* |
* Remove buddy from the list of order i. |
*/ |
list_remove(buddy); |
/* |
* Invalidate order of both block and buddy. |
*/ |
b->op->set_order(b, block, BUDDY_SYSTEM_INNER_BLOCK); |
b->op->set_order(b, buddy, BUDDY_SYSTEM_INNER_BLOCK); |
/* |
* Coalesce block and buddy into one block. |
*/ |
hlp = b->op->coalesce(b, block, buddy); |
/* |
* Set order of the coalesced block to i + 1. |
*/ |
b->op->set_order(b, hlp, i + 1); |
/* |
* Recursively add the coalesced block to the list of |
* order i + 1. |
*/ |
buddy_system_free(b, hlp); |
return; |
} |
} |
/* |
* Insert block into the list of order i. |
*/ |
list_append(block, &b->order[i]); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/mm/backend_phys.c |
---|
0,0 → 1,97 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericmm |
* @{ |
*/ |
/** |
* @file |
* @brief Backend for address space areas backed by continuous physical |
* memory. |
*/ |
#include <debug.h> |
#include <arch/types.h> |
#include <mm/as.h> |
#include <mm/frame.h> |
#include <mm/slab.h> |
#include <memstr.h> |
#include <macros.h> |
#include <arch.h> |
#include <align.h> |
static int phys_page_fault(as_area_t *area, uintptr_t addr, pf_access_t access); |
static void phys_share(as_area_t *area); |
mem_backend_t phys_backend = { |
.page_fault = phys_page_fault, |
.frame_free = NULL, |
.share = phys_share |
}; |
/** Service a page fault in the address space area backed by physical memory. |
* |
* The address space area and page tables must be already locked. |
* |
* @param area Pointer to the address space area. |
* @param addr Faulting virtual address. |
* @param access Access mode that caused the fault (i.e. read/write/exec). |
* |
* @return AS_PF_FAULT on failure (i.e. page fault) or AS_PF_OK on success (i.e. |
* serviced). |
*/ |
int phys_page_fault(as_area_t *area, uintptr_t addr, pf_access_t access) |
{ |
uintptr_t base = area->backend_data.base; |
if (!as_area_check_access(area, access)) |
return AS_PF_FAULT; |
ASSERT(addr - area->base < area->backend_data.frames * FRAME_SIZE); |
page_mapping_insert(AS, addr, base + (addr - area->base), |
as_area_get_flags(area)); |
if (!used_space_insert(area, ALIGN_DOWN(addr, PAGE_SIZE), 1)) |
panic("Cannot insert used space."); |
return AS_PF_OK; |
} |
/** Share address space area backed by physical memory. |
* |
* Do actually nothing as sharing of address space areas |
* that are backed up by physical memory is very easy. |
* Note that the function must be defined so that |
* as_area_share() will succeed. |
*/ |
void phys_share(as_area_t *area) |
{ |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/mm/page.c |
---|
0,0 → 1,170 |
/* |
* Copyright (c) 2001-2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericmm |
* @{ |
*/ |
/** |
* @file |
* @brief Virtual Address Translation subsystem. |
* |
* This file contains code for creating, destroying and searching |
* mappings between virtual addresses and physical addresses. |
* Functions here are mere wrappers that call the real implementation. |
* They however, define the single interface. |
*/ |
/* |
* Note on memory prefetching and updating memory mappings, also described in: |
* AMD x86-64 Architecture Programmer's Manual, Volume 2, System Programming, |
* 7.2.1 Special Coherency Considerations. |
* |
* The processor which modifies a page table mapping can access prefetched data |
* from the old mapping. In order to prevent this, we place a memory barrier |
* after a mapping is updated. |
* |
* We assume that the other processors are either not using the mapping yet |
* (i.e. during the bootstrap) or are executing the TLB shootdown code. While |
* we don't care much about the former case, the processors in the latter case |
* will do an implicit serialization by virtue of running the TLB shootdown |
* interrupt handler. |
*/ |
#include <mm/page.h> |
#include <arch/mm/page.h> |
#include <arch/mm/asid.h> |
#include <mm/as.h> |
#include <mm/frame.h> |
#include <arch/barrier.h> |
#include <arch/types.h> |
#include <arch/asm.h> |
#include <memstr.h> |
#include <debug.h> |
#include <arch.h> |
/** Virtual operations for page subsystem. */ |
page_mapping_operations_t *page_mapping_operations = NULL; |
void page_init(void) |
{ |
page_arch_init(); |
} |
/** Map memory structure |
* |
* Identity-map memory structure |
* considering possible crossings |
* of page boundaries. |
* |
* @param s Address of the structure. |
* @param size Size of the structure. |
*/ |
void map_structure(uintptr_t s, size_t size) |
{ |
int i, cnt, length; |
length = size + (s - (s & ~(PAGE_SIZE - 1))); |
cnt = length / PAGE_SIZE + (length % PAGE_SIZE > 0); |
for (i = 0; i < cnt; i++) |
page_mapping_insert(AS_KERNEL, s + i * PAGE_SIZE, |
s + i * PAGE_SIZE, PAGE_NOT_CACHEABLE | PAGE_WRITE); |
/* Repel prefetched accesses to the old mapping. */ |
memory_barrier(); |
} |
/** Insert mapping of page to frame. |
* |
* Map virtual address page to physical address frame |
* using flags. Allocate and setup any missing page tables. |
* |
* The page table must be locked and interrupts must be disabled. |
* |
* @param as Address space to wich page belongs. |
* @param page Virtual address of the page to be mapped. |
* @param frame Physical address of memory frame to which the mapping is |
* done. |
* @param flags Flags to be used for mapping. |
*/ |
void page_mapping_insert(as_t *as, uintptr_t page, uintptr_t frame, int flags) |
{ |
ASSERT(page_mapping_operations); |
ASSERT(page_mapping_operations->mapping_insert); |
page_mapping_operations->mapping_insert(as, page, frame, flags); |
/* Repel prefetched accesses to the old mapping. */ |
memory_barrier(); |
} |
/** Remove mapping of page. |
* |
* Remove any mapping of page within address space as. |
* TLB shootdown should follow in order to make effects of |
* this call visible. |
* |
* The page table must be locked and interrupts must be disabled. |
* |
* @param as Address space to wich page belongs. |
* @param page Virtual address of the page to be demapped. |
*/ |
void page_mapping_remove(as_t *as, uintptr_t page) |
{ |
ASSERT(page_mapping_operations); |
ASSERT(page_mapping_operations->mapping_remove); |
page_mapping_operations->mapping_remove(as, page); |
/* Repel prefetched accesses to the old mapping. */ |
memory_barrier(); |
} |
/** Find mapping for virtual page |
* |
* Find mapping for virtual page. |
* |
* The page table must be locked and interrupts must be disabled. |
* |
* @param as Address space to wich page belongs. |
* @param page Virtual page. |
* |
* @return NULL if there is no such mapping; requested mapping |
* otherwise. |
*/ |
pte_t *page_mapping_find(as_t *as, uintptr_t page) |
{ |
ASSERT(page_mapping_operations); |
ASSERT(page_mapping_operations->mapping_find); |
return page_mapping_operations->mapping_find(as, page); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/ipc/event.c |
---|
0,0 → 1,154 |
/* |
* Copyright (c) 2009 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** |
* @file |
* @brief Kernel event notifications. |
*/ |
#include <ipc/event.h> |
#include <ipc/event_types.h> |
#include <mm/slab.h> |
#include <arch/types.h> |
#include <synch/spinlock.h> |
#include <console/console.h> |
#include <memstr.h> |
#include <errno.h> |
#include <arch.h> |
/** |
* The events array. |
* Arranging the events in this two-dimensional array should decrease the |
* likelyhood of cacheline ping-pong. |
*/ |
static event_t events[EVENT_END]; |
/** Initialize kernel events. */ |
void event_init(void) |
{ |
unsigned int i; |
for (i = 0; i < EVENT_END; i++) { |
spinlock_initialize(&events[i].lock, "event.lock"); |
events[i].answerbox = NULL; |
events[i].counter = 0; |
events[i].method = 0; |
} |
} |
static int event_subscribe(event_type_t evno, unative_t method, |
answerbox_t *answerbox) |
{ |
if (evno >= EVENT_END) |
return ELIMIT; |
spinlock_lock(&events[evno].lock); |
int res; |
if (events[evno].answerbox == NULL) { |
events[evno].answerbox = answerbox; |
events[evno].method = method; |
events[evno].counter = 0; |
res = EOK; |
} else |
res = EEXISTS; |
spinlock_unlock(&events[evno].lock); |
return res; |
} |
unative_t sys_event_subscribe(unative_t evno, unative_t method) |
{ |
return (unative_t) event_subscribe((event_type_t) evno, (unative_t) |
method, &TASK->answerbox); |
} |
bool event_is_subscribed(event_type_t evno) |
{ |
bool res; |
ASSERT(evno < EVENT_END); |
spinlock_lock(&events[evno].lock); |
res = events[evno].answerbox != NULL; |
spinlock_unlock(&events[evno].lock); |
return res; |
} |
void event_cleanup_answerbox(answerbox_t *answerbox) |
{ |
unsigned int i; |
for (i = 0; i < EVENT_END; i++) { |
spinlock_lock(&events[i].lock); |
if (events[i].answerbox == answerbox) { |
events[i].answerbox = NULL; |
events[i].counter = 0; |
events[i].method = 0; |
} |
spinlock_unlock(&events[i].lock); |
} |
} |
void event_notify(event_type_t evno, unative_t a1, unative_t a2, unative_t a3, |
unative_t a4, unative_t a5) |
{ |
ASSERT(evno < EVENT_END); |
spinlock_lock(&events[evno].lock); |
if (events[evno].answerbox != NULL) { |
call_t *call = ipc_call_alloc(FRAME_ATOMIC); |
if (call) { |
call->flags |= IPC_CALL_NOTIF; |
call->priv = ++events[evno].counter; |
IPC_SET_METHOD(call->data, events[evno].method); |
IPC_SET_ARG1(call->data, a1); |
IPC_SET_ARG2(call->data, a2); |
IPC_SET_ARG3(call->data, a3); |
IPC_SET_ARG4(call->data, a4); |
IPC_SET_ARG5(call->data, a5); |
spinlock_lock(&events[evno].answerbox->irq_lock); |
list_append(&call->link, &events[evno].answerbox->irq_notifs); |
spinlock_unlock(&events[evno].answerbox->irq_lock); |
waitq_wakeup(&events[evno].answerbox->wq, WAKEUP_FIRST); |
} |
} |
spinlock_unlock(&events[evno].lock); |
} |
/** @} |
*/ |
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/generic/src/ipc/sysipc.c |
---|
0,0 → 1,1114 |
/* |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericipc |
* @{ |
*/ |
/** @file |
*/ |
#include <arch.h> |
#include <proc/task.h> |
#include <proc/thread.h> |
#include <errno.h> |
#include <memstr.h> |
#include <debug.h> |
#include <ipc/ipc.h> |
#include <ipc/sysipc.h> |
#include <ipc/irq.h> |
#include <ipc/ipcrsc.h> |
#include <ipc/kbox.h> |
#include <udebug/udebug_ipc.h> |
#include <arch/interrupt.h> |
#include <syscall/copy.h> |
#include <security/cap.h> |
#include <mm/as.h> |
#include <print.h> |
/** |
* Maximum buffer size allowed for IPC_M_DATA_WRITE and IPC_M_DATA_READ |
* requests. |
*/ |
#define DATA_XFER_LIMIT (64 * 1024) |
#define GET_CHECK_PHONE(phone, phoneid, err) \ |
{ \ |
if (phoneid > IPC_MAX_PHONES) { \ |
err; \ |
} \ |
phone = &TASK->phones[phoneid]; \ |
} |
#define STRUCT_TO_USPACE(dst, src) copy_to_uspace(dst, src, sizeof(*(src))) |
/** Decide if the method is a system method. |
* |
* @param method Method to be decided. |
* |
* @return Return 1 if the method is a system method. |
* Otherwise return 0. |
*/ |
static inline int method_is_system(unative_t method) |
{ |
if (method <= IPC_M_LAST_SYSTEM) |
return 1; |
return 0; |
} |
/** Decide if the message with this method is forwardable. |
* |
* - some system messages may be forwarded, for some of them |
* it is useless |
* |
* @param method Method to be decided. |
* |
* @return Return 1 if the method is forwardable. |
* Otherwise return 0. |
*/ |
static inline int method_is_forwardable(unative_t method) |
{ |
switch (method) { |
case IPC_M_CONNECTION_CLONE: |
case IPC_M_CONNECT_ME: |
case IPC_M_PHONE_HUNGUP: |
/* This message is meant only for the original recipient. */ |
return 0; |
default: |
return 1; |
} |
} |
/** Decide if the message with this method is immutable on forward. |
* |
* - some system messages may be forwarded but their content cannot be altered |
* |
* @param method Method to be decided. |
* |
* @return Return 1 if the method is immutable on forward. |
* Otherwise return 0. |
*/ |
static inline int method_is_immutable(unative_t method) |
{ |
switch (method) { |
case IPC_M_SHARE_OUT: |
case IPC_M_SHARE_IN: |
case IPC_M_DATA_WRITE: |
case IPC_M_DATA_READ: |
return 1; |
break; |
default: |
return 0; |
} |
} |
/*********************************************************************** |
* Functions that preprocess answer before sending it to the recepient. |
***********************************************************************/ |
/** Decide if the caller (e.g. ipc_answer()) should save the old call contents |
* for answer_preprocess(). |
* |
* @param call Call structure to be decided. |
* |
* @return Return 1 if the old call contents should be saved. |
* Return 0 otherwise. |
*/ |
static inline int answer_need_old(call_t *call) |
{ |
switch (IPC_GET_METHOD(call->data)) { |
case IPC_M_CONNECTION_CLONE: |
case IPC_M_CONNECT_ME: |
case IPC_M_CONNECT_TO_ME: |
case IPC_M_CONNECT_ME_TO: |
case IPC_M_SHARE_OUT: |
case IPC_M_SHARE_IN: |
case IPC_M_DATA_WRITE: |
case IPC_M_DATA_READ: |
return 1; |
default: |
return 0; |
} |
} |
/** Interpret process answer as control information. |
* |
* This function is called directly after sys_ipc_answer(). |
* |
* @param answer Call structure with the answer. |
* @param olddata Saved data of the request. |
* |
* @return Return 0 on success or an error code. |
*/ |
static inline int answer_preprocess(call_t *answer, ipc_data_t *olddata) |
{ |
int phoneid; |
if ((native_t) IPC_GET_RETVAL(answer->data) == EHANGUP) { |
/* In case of forward, hangup the forwared phone, |
* not the originator |
*/ |
mutex_lock(&answer->data.phone->lock); |
spinlock_lock(&TASK->answerbox.lock); |
if (answer->data.phone->state == IPC_PHONE_CONNECTED) { |
list_remove(&answer->data.phone->link); |
answer->data.phone->state = IPC_PHONE_SLAMMED; |
} |
spinlock_unlock(&TASK->answerbox.lock); |
mutex_unlock(&answer->data.phone->lock); |
} |
if (!olddata) |
return 0; |
if (IPC_GET_METHOD(*olddata) == IPC_M_CONNECTION_CLONE) { |
phoneid = IPC_GET_ARG1(*olddata); |
phone_t *phone = &TASK->phones[phoneid]; |
if (IPC_GET_RETVAL(answer->data) != EOK) { |
/* |
* The recipient of the cloned phone rejected the offer. |
* In this case, the connection was established at the |
* request time and therefore we need to slam the phone. |
* We don't merely hangup as that would result in |
* sending IPC_M_HUNGUP to the third party on the |
* other side of the cloned phone. |
*/ |
mutex_lock(&phone->lock); |
if (phone->state == IPC_PHONE_CONNECTED) { |
spinlock_lock(&phone->callee->lock); |
list_remove(&phone->link); |
phone->state = IPC_PHONE_SLAMMED; |
spinlock_unlock(&phone->callee->lock); |
} |
mutex_unlock(&phone->lock); |
} |
} else if (IPC_GET_METHOD(*olddata) == IPC_M_CONNECT_ME) { |
phone_t *phone = (phone_t *)IPC_GET_ARG5(*olddata); |
if (IPC_GET_RETVAL(answer->data) != EOK) { |
/* |
* The other party on the cloned phoned rejected our |
* request for connection on the protocol level. |
* We need to break the connection without sending |
* IPC_M_HUNGUP back. |
*/ |
mutex_lock(&phone->lock); |
if (phone->state == IPC_PHONE_CONNECTED) { |
spinlock_lock(&phone->callee->lock); |
list_remove(&phone->link); |
phone->state = IPC_PHONE_SLAMMED; |
spinlock_unlock(&phone->callee->lock); |
} |
mutex_unlock(&phone->lock); |
} |
} else if (IPC_GET_METHOD(*olddata) == IPC_M_CONNECT_TO_ME) { |
phoneid = IPC_GET_ARG5(*olddata); |
if (IPC_GET_RETVAL(answer->data) != EOK) { |
/* The connection was not accepted */ |
phone_dealloc(phoneid); |
} else { |
/* The connection was accepted */ |
phone_connect(phoneid, &answer->sender->answerbox); |
/* Set 'phone hash' as arg5 of response */ |
IPC_SET_ARG5(answer->data, |
(unative_t) &TASK->phones[phoneid]); |
} |
} else if (IPC_GET_METHOD(*olddata) == IPC_M_CONNECT_ME_TO) { |
/* If the users accepted call, connect */ |
if (IPC_GET_RETVAL(answer->data) == EOK) { |
ipc_phone_connect((phone_t *) IPC_GET_ARG5(*olddata), |
&TASK->answerbox); |
} |
} else if (IPC_GET_METHOD(*olddata) == IPC_M_SHARE_OUT) { |
if (!IPC_GET_RETVAL(answer->data)) { |
/* Accepted, handle as_area receipt */ |
ipl_t ipl; |
int rc; |
as_t *as; |
ipl = interrupts_disable(); |
spinlock_lock(&answer->sender->lock); |
as = answer->sender->as; |
spinlock_unlock(&answer->sender->lock); |
interrupts_restore(ipl); |
rc = as_area_share(as, IPC_GET_ARG1(*olddata), |
IPC_GET_ARG2(*olddata), AS, |
IPC_GET_ARG1(answer->data), IPC_GET_ARG3(*olddata)); |
IPC_SET_RETVAL(answer->data, rc); |
return rc; |
} |
} else if (IPC_GET_METHOD(*olddata) == IPC_M_SHARE_IN) { |
if (!IPC_GET_RETVAL(answer->data)) { |
ipl_t ipl; |
as_t *as; |
int rc; |
ipl = interrupts_disable(); |
spinlock_lock(&answer->sender->lock); |
as = answer->sender->as; |
spinlock_unlock(&answer->sender->lock); |
interrupts_restore(ipl); |
rc = as_area_share(AS, IPC_GET_ARG1(answer->data), |
IPC_GET_ARG2(*olddata), as, IPC_GET_ARG1(*olddata), |
IPC_GET_ARG2(answer->data)); |
IPC_SET_RETVAL(answer->data, rc); |
} |
} else if (IPC_GET_METHOD(*olddata) == IPC_M_DATA_READ) { |
ASSERT(!answer->buffer); |
if (!IPC_GET_RETVAL(answer->data)) { |
/* The recipient agreed to send data. */ |
uintptr_t src = IPC_GET_ARG1(answer->data); |
uintptr_t dst = IPC_GET_ARG1(*olddata); |
size_t max_size = IPC_GET_ARG2(*olddata); |
size_t size = IPC_GET_ARG2(answer->data); |
if (size && size <= max_size) { |
/* |
* Copy the destination VA so that this piece of |
* information is not lost. |
*/ |
IPC_SET_ARG1(answer->data, dst); |
answer->buffer = malloc(size, 0); |
int rc = copy_from_uspace(answer->buffer, |
(void *) src, size); |
if (rc) { |
IPC_SET_RETVAL(answer->data, rc); |
free(answer->buffer); |
answer->buffer = NULL; |
} |
} else if (!size) { |
IPC_SET_RETVAL(answer->data, EOK); |
} else { |
IPC_SET_RETVAL(answer->data, ELIMIT); |
} |
} |
} else if (IPC_GET_METHOD(*olddata) == IPC_M_DATA_WRITE) { |
ASSERT(answer->buffer); |
if (!IPC_GET_RETVAL(answer->data)) { |
/* The recipient agreed to receive data. */ |
int rc; |
uintptr_t dst; |
size_t size; |
size_t max_size; |
dst = (uintptr_t)IPC_GET_ARG1(answer->data); |
size = (size_t)IPC_GET_ARG2(answer->data); |
max_size = (size_t)IPC_GET_ARG2(*olddata); |
if (size <= max_size) { |
rc = copy_to_uspace((void *) dst, |
answer->buffer, size); |
if (rc) |
IPC_SET_RETVAL(answer->data, rc); |
} else { |
IPC_SET_RETVAL(answer->data, ELIMIT); |
} |
} |
free(answer->buffer); |
answer->buffer = NULL; |
} |
return 0; |
} |
static void phones_lock(phone_t *p1, phone_t *p2) |
{ |
if (p1 < p2) { |
mutex_lock(&p1->lock); |
mutex_lock(&p2->lock); |
} else if (p1 > p2) { |
mutex_lock(&p2->lock); |
mutex_lock(&p1->lock); |
} else { |
mutex_lock(&p1->lock); |
} |
} |
static void phones_unlock(phone_t *p1, phone_t *p2) |
{ |
mutex_unlock(&p1->lock); |
if (p1 != p2) |
mutex_unlock(&p2->lock); |
} |
/** Called before the request is sent. |
* |
* @param call Call structure with the request. |
* @param phone Phone that the call will be sent through. |
* |
* @return Return 0 on success, ELIMIT or EPERM on error. |
*/ |
static int request_preprocess(call_t *call, phone_t *phone) |
{ |
int newphid; |
size_t size; |
uintptr_t src; |
int rc; |
switch (IPC_GET_METHOD(call->data)) { |
case IPC_M_CONNECTION_CLONE: { |
phone_t *cloned_phone; |
GET_CHECK_PHONE(cloned_phone, IPC_GET_ARG1(call->data), |
return ENOENT); |
phones_lock(cloned_phone, phone); |
if ((cloned_phone->state != IPC_PHONE_CONNECTED) || |
phone->state != IPC_PHONE_CONNECTED) { |
phones_unlock(cloned_phone, phone); |
return EINVAL; |
} |
/* |
* We can be pretty sure now that both tasks exist and we are |
* connected to them. As we continue to hold the phone locks, |
* we are effectively preventing them from finishing their |
* potential cleanup. |
*/ |
newphid = phone_alloc(phone->callee->task); |
if (newphid < 0) { |
phones_unlock(cloned_phone, phone); |
return ELIMIT; |
} |
ipc_phone_connect(&phone->callee->task->phones[newphid], |
cloned_phone->callee); |
phones_unlock(cloned_phone, phone); |
/* Set the new phone for the callee. */ |
IPC_SET_ARG1(call->data, newphid); |
break; |
} |
case IPC_M_CONNECT_ME: |
IPC_SET_ARG5(call->data, (unative_t) phone); |
break; |
case IPC_M_CONNECT_ME_TO: |
newphid = phone_alloc(TASK); |
if (newphid < 0) |
return ELIMIT; |
/* Set arg5 for server */ |
IPC_SET_ARG5(call->data, (unative_t) &TASK->phones[newphid]); |
call->flags |= IPC_CALL_CONN_ME_TO; |
call->priv = newphid; |
break; |
case IPC_M_SHARE_OUT: |
size = as_area_get_size(IPC_GET_ARG1(call->data)); |
if (!size) |
return EPERM; |
IPC_SET_ARG2(call->data, size); |
break; |
case IPC_M_DATA_READ: |
size = IPC_GET_ARG2(call->data); |
if ((size <= 0 || (size > DATA_XFER_LIMIT))) |
return ELIMIT; |
break; |
case IPC_M_DATA_WRITE: |
src = IPC_GET_ARG1(call->data); |
size = IPC_GET_ARG2(call->data); |
if (size > DATA_XFER_LIMIT) |
return ELIMIT; |
call->buffer = (uint8_t *) malloc(size, 0); |
rc = copy_from_uspace(call->buffer, (void *) src, size); |
if (rc != 0) { |
free(call->buffer); |
return rc; |
} |
break; |
#ifdef CONFIG_UDEBUG |
case IPC_M_DEBUG_ALL: |
return udebug_request_preprocess(call, phone); |
#endif |
default: |
break; |
} |
return 0; |
} |
/******************************************************************************* |
* Functions called to process received call/answer before passing it to uspace. |
*******************************************************************************/ |
/** Do basic kernel processing of received call answer. |
* |
* @param call Call structure with the answer. |
*/ |
static void process_answer(call_t *call) |
{ |
if (((native_t) IPC_GET_RETVAL(call->data) == EHANGUP) && |
(call->flags & IPC_CALL_FORWARDED)) |
IPC_SET_RETVAL(call->data, EFORWARD); |
if (call->flags & IPC_CALL_CONN_ME_TO) { |
if (IPC_GET_RETVAL(call->data)) |
phone_dealloc(call->priv); |
else |
IPC_SET_ARG5(call->data, call->priv); |
} |
if (call->buffer) { |
/* This must be an affirmative answer to IPC_M_DATA_READ. */ |
/* or IPC_M_DEBUG_ALL/UDEBUG_M_MEM_READ... */ |
uintptr_t dst = IPC_GET_ARG1(call->data); |
size_t size = IPC_GET_ARG2(call->data); |
int rc = copy_to_uspace((void *) dst, call->buffer, size); |
if (rc) |
IPC_SET_RETVAL(call->data, rc); |
free(call->buffer); |
call->buffer = NULL; |
} |
} |
/** Do basic kernel processing of received call request. |
* |
* @param box Destination answerbox structure. |
* @param call Call structure with the request. |
* |
* @return Return 0 if the call should be passed to userspace. |
* Return -1 if the call should be ignored. |
*/ |
static int process_request(answerbox_t *box, call_t *call) |
{ |
int phoneid; |
if (IPC_GET_METHOD(call->data) == IPC_M_CONNECT_TO_ME) { |
phoneid = phone_alloc(TASK); |
if (phoneid < 0) { /* Failed to allocate phone */ |
IPC_SET_RETVAL(call->data, ELIMIT); |
ipc_answer(box, call); |
return -1; |
} |
IPC_SET_ARG5(call->data, phoneid); |
} |
switch (IPC_GET_METHOD(call->data)) { |
case IPC_M_DEBUG_ALL: |
return -1; |
default: |
break; |
} |
return 0; |
} |
/** Make a fast call over IPC, wait for reply and return to user. |
* |
* This function can handle only three arguments of payload, but is faster than |
* the generic function (i.e. sys_ipc_call_sync_slow()). |
* |
* @param phoneid Phone handle for the call. |
* @param method Method of the call. |
* @param arg1 Service-defined payload argument. |
* @param arg2 Service-defined payload argument. |
* @param arg3 Service-defined payload argument. |
* @param data Address of userspace structure where the reply call will |
* be stored. |
* |
* @return Returns 0 on success. |
* Return ENOENT if there is no such phone handle. |
*/ |
unative_t sys_ipc_call_sync_fast(unative_t phoneid, unative_t method, |
unative_t arg1, unative_t arg2, unative_t arg3, ipc_data_t *data) |
{ |
call_t call; |
phone_t *phone; |
int res; |
int rc; |
GET_CHECK_PHONE(phone, phoneid, return ENOENT); |
ipc_call_static_init(&call); |
IPC_SET_METHOD(call.data, method); |
IPC_SET_ARG1(call.data, arg1); |
IPC_SET_ARG2(call.data, arg2); |
IPC_SET_ARG3(call.data, arg3); |
/* |
* To achieve deterministic behavior, zero out arguments that are beyond |
* the limits of the fast version. |
*/ |
IPC_SET_ARG4(call.data, 0); |
IPC_SET_ARG5(call.data, 0); |
if (!(res = request_preprocess(&call, phone))) { |
#ifdef CONFIG_UDEBUG |
udebug_stoppable_begin(); |
#endif |
rc = ipc_call_sync(phone, &call); |
#ifdef CONFIG_UDEBUG |
udebug_stoppable_end(); |
#endif |
if (rc != EOK) |
return rc; |
process_answer(&call); |
} else { |
IPC_SET_RETVAL(call.data, res); |
} |
rc = STRUCT_TO_USPACE(&data->args, &call.data.args); |
if (rc != 0) |
return rc; |
return 0; |
} |
/** Make a synchronous IPC call allowing to transmit the entire payload. |
* |
* @param phoneid Phone handle for the call. |
* @param question Userspace address of call data with the request. |
* @param reply Userspace address of call data where to store the |
* answer. |
* |
* @return Zero on success or an error code. |
*/ |
unative_t sys_ipc_call_sync_slow(unative_t phoneid, ipc_data_t *question, |
ipc_data_t *reply) |
{ |
call_t call; |
phone_t *phone; |
int res; |
int rc; |
ipc_call_static_init(&call); |
rc = copy_from_uspace(&call.data.args, &question->args, |
sizeof(call.data.args)); |
if (rc != 0) |
return (unative_t) rc; |
GET_CHECK_PHONE(phone, phoneid, return ENOENT); |
if (!(res = request_preprocess(&call, phone))) { |
#ifdef CONFIG_UDEBUG |
udebug_stoppable_begin(); |
#endif |
rc = ipc_call_sync(phone, &call); |
#ifdef CONFIG_UDEBUG |
udebug_stoppable_end(); |
#endif |
if (rc != EOK) |
return rc; |
process_answer(&call); |
} else |
IPC_SET_RETVAL(call.data, res); |
rc = STRUCT_TO_USPACE(&reply->args, &call.data.args); |
if (rc != 0) |
return rc; |
return 0; |
} |
/** Check that the task did not exceed the allowed limit of asynchronous calls. |
* |
* @return Return 0 if limit not reached or -1 if limit exceeded. |
*/ |
static int check_call_limit(void) |
{ |
if (atomic_preinc(&TASK->active_calls) > IPC_MAX_ASYNC_CALLS) { |
atomic_dec(&TASK->active_calls); |
return -1; |
} |
return 0; |
} |
/** Make a fast asynchronous call over IPC. |
* |
* This function can only handle four arguments of payload, but is faster than |
* the generic function sys_ipc_call_async_slow(). |
* |
* @param phoneid Phone handle for the call. |
* @param method Method of the call. |
* @param arg1 Service-defined payload argument. |
* @param arg2 Service-defined payload argument. |
* @param arg3 Service-defined payload argument. |
* @param arg4 Service-defined payload argument. |
* |
* @return Return call hash on success. |
* Return IPC_CALLRET_FATAL in case of a fatal error and |
* IPC_CALLRET_TEMPORARY if there are too many pending |
* asynchronous requests; answers should be handled first. |
*/ |
unative_t sys_ipc_call_async_fast(unative_t phoneid, unative_t method, |
unative_t arg1, unative_t arg2, unative_t arg3, unative_t arg4) |
{ |
call_t *call; |
phone_t *phone; |
int res; |
if (check_call_limit()) |
return IPC_CALLRET_TEMPORARY; |
GET_CHECK_PHONE(phone, phoneid, return IPC_CALLRET_FATAL); |
call = ipc_call_alloc(0); |
IPC_SET_METHOD(call->data, method); |
IPC_SET_ARG1(call->data, arg1); |
IPC_SET_ARG2(call->data, arg2); |
IPC_SET_ARG3(call->data, arg3); |
IPC_SET_ARG4(call->data, arg4); |
/* |
* To achieve deterministic behavior, zero out arguments that are beyond |
* the limits of the fast version. |
*/ |
IPC_SET_ARG5(call->data, 0); |
if (!(res = request_preprocess(call, phone))) |
ipc_call(phone, call); |
else |
ipc_backsend_err(phone, call, res); |
return (unative_t) call; |
} |
/** Make an asynchronous IPC call allowing to transmit the entire payload. |
* |
* @param phoneid Phone handle for the call. |
* @param data Userspace address of call data with the request. |
* |
* @return See sys_ipc_call_async_fast(). |
*/ |
unative_t sys_ipc_call_async_slow(unative_t phoneid, ipc_data_t *data) |
{ |
call_t *call; |
phone_t *phone; |
int res; |
int rc; |
if (check_call_limit()) |
return IPC_CALLRET_TEMPORARY; |
GET_CHECK_PHONE(phone, phoneid, return IPC_CALLRET_FATAL); |
call = ipc_call_alloc(0); |
rc = copy_from_uspace(&call->data.args, &data->args, |
sizeof(call->data.args)); |
if (rc != 0) { |
ipc_call_free(call); |
return (unative_t) rc; |
} |
if (!(res = request_preprocess(call, phone))) |
ipc_call(phone, call); |
else |
ipc_backsend_err(phone, call, res); |
return (unative_t) call; |
} |
/** Forward a received call to another destination - common code for both the |
* fast and the slow version. |
* |
* @param callid Hash of the call to forward. |
* @param phoneid Phone handle to use for forwarding. |
* @param method New method to use for the forwarded call. |
* @param arg1 New value of the first argument for the forwarded call. |
* @param arg2 New value of the second argument for the forwarded call. |
* @param arg3 New value of the third argument for the forwarded call. |
* @param arg4 New value of the fourth argument for the forwarded call. |
* @param arg5 New value of the fifth argument for the forwarded call. |
* @param mode Flags that specify mode of the forward operation. |
* @param slow If true, arg3, arg4 and arg5 are considered. Otherwise |
* the function considers only the fast version arguments: |
* i.e. arg1 and arg2. |
* |
* @return Return 0 on succes, otherwise return an error code. |
* |
* Warning: Make sure that ARG5 is not rewritten for certain system IPC |
*/ |
static unative_t sys_ipc_forward_common(unative_t callid, unative_t phoneid, |
unative_t method, unative_t arg1, unative_t arg2, unative_t arg3, |
unative_t arg4, unative_t arg5, int mode, bool slow) |
{ |
call_t *call; |
phone_t *phone; |
call = get_call(callid); |
if (!call) |
return ENOENT; |
call->flags |= IPC_CALL_FORWARDED; |
GET_CHECK_PHONE(phone, phoneid, { |
IPC_SET_RETVAL(call->data, EFORWARD); |
ipc_answer(&TASK->answerbox, call); |
return ENOENT; |
}); |
if (!method_is_forwardable(IPC_GET_METHOD(call->data))) { |
IPC_SET_RETVAL(call->data, EFORWARD); |
ipc_answer(&TASK->answerbox, call); |
return EPERM; |
} |
/* |
* Userspace is not allowed to change method of system methods on |
* forward, allow changing ARG1, ARG2, ARG3 and ARG4 by means of method, |
* arg1, arg2 and arg3. |
* If the method is immutable, don't change anything. |
*/ |
if (!method_is_immutable(IPC_GET_METHOD(call->data))) { |
if (method_is_system(IPC_GET_METHOD(call->data))) { |
if (IPC_GET_METHOD(call->data) == IPC_M_CONNECT_TO_ME) |
phone_dealloc(IPC_GET_ARG5(call->data)); |
IPC_SET_ARG1(call->data, method); |
IPC_SET_ARG2(call->data, arg1); |
IPC_SET_ARG3(call->data, arg2); |
if (slow) { |
IPC_SET_ARG4(call->data, arg3); |
/* |
* For system methods we deliberately don't |
* overwrite ARG5. |
*/ |
} |
} else { |
IPC_SET_METHOD(call->data, method); |
IPC_SET_ARG1(call->data, arg1); |
IPC_SET_ARG2(call->data, arg2); |
if (slow) { |
IPC_SET_ARG3(call->data, arg3); |
IPC_SET_ARG4(call->data, arg4); |
IPC_SET_ARG5(call->data, arg5); |
} |
} |
} |
return ipc_forward(call, phone, &TASK->answerbox, mode); |
} |
/** Forward a received call to another destination - fast version. |
* |
* @param callid Hash of the call to forward. |
* @param phoneid Phone handle to use for forwarding. |
* @param method New method to use for the forwarded call. |
* @param arg1 New value of the first argument for the forwarded call. |
* @param arg2 New value of the second argument for the forwarded call. |
* @param mode Flags that specify mode of the forward operation. |
* |
* @return Return 0 on succes, otherwise return an error code. |
* |
* In case the original method is a system method, ARG1, ARG2 and ARG3 are |
* overwritten in the forwarded message with the new method and the new |
* arg1 and arg2, respectively. Otherwise the METHOD, ARG1 and ARG2 are |
* rewritten with the new method, arg1 and arg2, respectively. Also note there |
* is a set of immutable methods, for which the new method and arguments are not |
* set and these values are ignored. |
*/ |
unative_t sys_ipc_forward_fast(unative_t callid, unative_t phoneid, |
unative_t method, unative_t arg1, unative_t arg2, int mode) |
{ |
return sys_ipc_forward_common(callid, phoneid, method, arg1, arg2, 0, 0, |
0, mode, false); |
} |
/** Forward a received call to another destination - slow version. |
* |
* @param callid Hash of the call to forward. |
* @param phoneid Phone handle to use for forwarding. |
* @param data Userspace address of the new IPC data. |
* @param mode Flags that specify mode of the forward operation. |
* |
* @return Return 0 on succes, otherwise return an error code. |
* |
* This function is the slow verision of the sys_ipc_forward_fast interface. |
* It can copy all five new arguments and the new method from the userspace. |
* It naturally extends the functionality of the fast version. For system |
* methods, it additionally stores the new value of arg3 to ARG4. For non-system |
* methods, it additionally stores the new value of arg3, arg4 and arg5, |
* respectively, to ARG3, ARG4 and ARG5, respectively. |
*/ |
unative_t sys_ipc_forward_slow(unative_t callid, unative_t phoneid, |
ipc_data_t *data, int mode) |
{ |
ipc_data_t newdata; |
int rc; |
rc = copy_from_uspace(&newdata.args, &data->args, |
sizeof(newdata.args)); |
if (rc != 0) |
return (unative_t) rc; |
return sys_ipc_forward_common(callid, phoneid, |
IPC_GET_METHOD(newdata), IPC_GET_ARG1(newdata), |
IPC_GET_ARG2(newdata), IPC_GET_ARG3(newdata), |
IPC_GET_ARG4(newdata), IPC_GET_ARG5(newdata), mode, true); |
} |
/** Answer an IPC call - fast version. |
* |
* This function can handle only two return arguments of payload, but is faster |
* than the generic sys_ipc_answer(). |
* |
* @param callid Hash of the call to be answered. |
* @param retval Return value of the answer. |
* @param arg1 Service-defined return value. |
* @param arg2 Service-defined return value. |
* @param arg3 Service-defined return value. |
* @param arg4 Service-defined return value. |
* |
* @return Return 0 on success, otherwise return an error code. |
*/ |
unative_t sys_ipc_answer_fast(unative_t callid, unative_t retval, |
unative_t arg1, unative_t arg2, unative_t arg3, unative_t arg4) |
{ |
call_t *call; |
ipc_data_t saved_data; |
int saveddata = 0; |
int rc; |
/* Do not answer notification callids */ |
if (callid & IPC_CALLID_NOTIFICATION) |
return 0; |
call = get_call(callid); |
if (!call) |
return ENOENT; |
if (answer_need_old(call)) { |
memcpy(&saved_data, &call->data, sizeof(call->data)); |
saveddata = 1; |
} |
IPC_SET_RETVAL(call->data, retval); |
IPC_SET_ARG1(call->data, arg1); |
IPC_SET_ARG2(call->data, arg2); |
IPC_SET_ARG3(call->data, arg3); |
IPC_SET_ARG4(call->data, arg4); |
/* |
* To achieve deterministic behavior, zero out arguments that are beyond |
* the limits of the fast version. |
*/ |
IPC_SET_ARG5(call->data, 0); |
rc = answer_preprocess(call, saveddata ? &saved_data : NULL); |
ipc_answer(&TASK->answerbox, call); |
return rc; |
} |
/** Answer an IPC call. |
* |
* @param callid Hash of the call to be answered. |
* @param data Userspace address of call data with the answer. |
* |
* @return Return 0 on success, otherwise return an error code. |
*/ |
unative_t sys_ipc_answer_slow(unative_t callid, ipc_data_t *data) |
{ |
call_t *call; |
ipc_data_t saved_data; |
int saveddata = 0; |
int rc; |
/* Do not answer notification callids */ |
if (callid & IPC_CALLID_NOTIFICATION) |
return 0; |
call = get_call(callid); |
if (!call) |
return ENOENT; |
if (answer_need_old(call)) { |
memcpy(&saved_data, &call->data, sizeof(call->data)); |
saveddata = 1; |
} |
rc = copy_from_uspace(&call->data.args, &data->args, |
sizeof(call->data.args)); |
if (rc != 0) |
return rc; |
rc = answer_preprocess(call, saveddata ? &saved_data : NULL); |
ipc_answer(&TASK->answerbox, call); |
return rc; |
} |
/** Hang up a phone. |
* |
* @param Phone handle of the phone to be hung up. |
* |
* @return Return 0 on success or an error code. |
*/ |
unative_t sys_ipc_hangup(int phoneid) |
{ |
phone_t *phone; |
GET_CHECK_PHONE(phone, phoneid, return ENOENT); |
if (ipc_phone_hangup(phone)) |
return -1; |
return 0; |
} |
/** Wait for an incoming IPC call or an answer. |
* |
* @param calldata Pointer to buffer where the call/answer data is stored. |
* @param usec Timeout. See waitq_sleep_timeout() for explanation. |
* @param flags Select mode of sleep operation. See waitq_sleep_timeout() |
* for explanation. |
* |
* @return Hash of the call. |
* If IPC_CALLID_NOTIFICATION bit is set in the hash, the |
* call is a notification. IPC_CALLID_ANSWERED denotes an |
* answer. |
*/ |
unative_t sys_ipc_wait_for_call(ipc_data_t *calldata, uint32_t usec, int flags) |
{ |
call_t *call; |
restart: |
#ifdef CONFIG_UDEBUG |
udebug_stoppable_begin(); |
#endif |
call = ipc_wait_for_call(&TASK->answerbox, usec, |
flags | SYNCH_FLAGS_INTERRUPTIBLE); |
#ifdef CONFIG_UDEBUG |
udebug_stoppable_end(); |
#endif |
if (!call) |
return 0; |
if (call->flags & IPC_CALL_NOTIF) { |
ASSERT(! (call->flags & IPC_CALL_STATIC_ALLOC)); |
/* Set in_phone_hash to the interrupt counter */ |
call->data.phone = (void *) call->priv; |
STRUCT_TO_USPACE(calldata, &call->data); |
ipc_call_free(call); |
return ((unative_t) call) | IPC_CALLID_NOTIFICATION; |
} |
if (call->flags & IPC_CALL_ANSWERED) { |
process_answer(call); |
ASSERT(! (call->flags & IPC_CALL_STATIC_ALLOC)); |
if (call->flags & IPC_CALL_DISCARD_ANSWER) { |
ipc_call_free(call); |
goto restart; |
} else { |
/* |
* Decrement the counter of active calls only if the |
* call is not an answer to IPC_M_PHONE_HUNGUP, |
* which doesn't contribute to the counter. |
*/ |
atomic_dec(&TASK->active_calls); |
} |
STRUCT_TO_USPACE(&calldata->args, &call->data.args); |
ipc_call_free(call); |
return ((unative_t) call) | IPC_CALLID_ANSWERED; |
} |
if (process_request(&TASK->answerbox, call)) |
goto restart; |
/* Include phone address('id') of the caller in the request, |
* copy whole call->data, not only call->data.args */ |
if (STRUCT_TO_USPACE(calldata, &call->data)) { |
/* |
* The callee will not receive this call and no one else has |
* a chance to answer it. Reply with the EPARTY error code. |
*/ |
ipc_data_t saved_data; |
int saveddata = 0; |
if (answer_need_old(call)) { |
memcpy(&saved_data, &call->data, sizeof(call->data)); |
saveddata = 1; |
} |
IPC_SET_RETVAL(call->data, EPARTY); |
(void) answer_preprocess(call, saveddata ? &saved_data : NULL); |
ipc_answer(&TASK->answerbox, call); |
return 0; |
} |
return (unative_t)call; |
} |
/** Connect an IRQ handler to a task. |
* |
* @param inr IRQ number. |
* @param devno Device number. |
* @param method Method to be associated with the notification. |
* @param ucode Uspace pointer to the top-half pseudocode. |
* |
* @return EPERM or a return code returned by ipc_irq_register(). |
*/ |
unative_t sys_ipc_register_irq(inr_t inr, devno_t devno, unative_t method, |
irq_code_t *ucode) |
{ |
if (!(cap_get(TASK) & CAP_IRQ_REG)) |
return EPERM; |
return ipc_irq_register(&TASK->answerbox, inr, devno, method, ucode); |
} |
/** Disconnect an IRQ handler from a task. |
* |
* @param inr IRQ number. |
* @param devno Device number. |
* |
* @return Zero on success or EPERM on error.. |
*/ |
unative_t sys_ipc_unregister_irq(inr_t inr, devno_t devno) |
{ |
if (!(cap_get(TASK) & CAP_IRQ_REG)) |
return EPERM; |
ipc_irq_unregister(&TASK->answerbox, inr, devno); |
return 0; |
} |
#include <console/console.h> |
/** |
* Syscall connect to a task by id. |
* |
* @return Phone id on success, or negative error code. |
*/ |
unative_t sys_ipc_connect_kbox(sysarg64_t *uspace_taskid_arg) |
{ |
#ifdef CONFIG_UDEBUG |
sysarg64_t taskid_arg; |
int rc; |
rc = copy_from_uspace(&taskid_arg, uspace_taskid_arg, sizeof(sysarg64_t)); |
if (rc != 0) |
return (unative_t) rc; |
LOG("sys_ipc_connect_kbox(%" PRIu64 ")\n", taskid_arg.value); |
return ipc_connect_kbox(taskid_arg.value); |
#else |
return (unative_t) ENOTSUP; |
#endif |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/ipc/ipcrsc.c |
---|
0,0 → 1,234 |
/* |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericipc |
* @{ |
*/ |
/** @file |
*/ |
/* IPC resources management |
* |
* The goal of this source code is to properly manage IPC resources and allow |
* straight and clean clean-up procedure upon task termination. |
* |
* The pattern of usage of the resources is: |
* - allocate empty phone slot, connect | deallocate slot |
* - disconnect connected phone (some messages might be on the fly) |
* - find phone in slot and send a message using phone |
* - answer message to phone |
* - hangup phone (the caller has hung up) |
* - hangup phone (the answerbox is exiting) |
* |
* Locking strategy |
* |
* - To use a phone, disconnect a phone etc., the phone must be first locked and |
* then checked that it is connected |
* - To connect an allocated phone it need not be locked (assigning pointer is |
* atomic on all platforms) |
* |
* - To find an empty phone slot, the TASK must be locked |
* - To answer a message, the answerbox must be locked |
* - The locking of phone and answerbox is done at the ipc_ level. |
* It is perfectly correct to pass unconnected phone to these functions and |
* proper reply will be generated. |
* |
* Locking order |
* |
* - first phone, then answerbox |
* + Easy locking on calls |
* - Very hard traversing list of phones when disconnecting because the phones |
* may disconnect during traversal of list of connected phones. The only |
* possibility is try_lock with restart of list traversal. |
* |
* Destroying is less frequent, this approach is taken. |
* |
* Phone call |
* |
* *** Connect_me_to *** |
* The caller sends IPC_M_CONNECT_ME_TO to an answerbox. The server receives |
* 'phoneid' of the connecting phone as an ARG5. If it answers with RETVAL=0, |
* the phonecall is accepted, otherwise it is refused. |
* |
* *** Connect_to_me *** |
* The caller sends IPC_M_CONNECT_TO_ME. |
* The server receives an automatically opened phoneid. If it accepts |
* (RETVAL=0), it can use the phoneid immediately. |
* Possible race condition can arise, when the client receives messages from new |
* connection before getting response for connect_to_me message. Userspace |
* should implement handshake protocol that would control it. |
* |
* Phone hangup |
* |
* *** The caller hangs up (sys_ipc_hangup) *** |
* - The phone is disconnected (no more messages can be sent over this phone), |
* all in-progress messages are correctly handled. The answerbox receives |
* IPC_M_PHONE_HUNGUP call from the phone that hung up. When all async |
* calls are answered, the phone is deallocated. |
* |
* *** The answerbox hangs up (ipc_answer(EHANGUP)) |
* - The phone is disconnected. EHANGUP response code is sent |
* to the calling task. All new calls through this phone |
* get a EHUNGUP error code, the task is expected to |
* send an sys_ipc_hangup after cleaning up its internal structures. |
* |
* Call forwarding |
* |
* The call can be forwarded, so that the answer to call is passed directly |
* to the original sender. However, this poses special problems regarding |
* routing of hangup messages. |
* |
* sys_ipc_hangup -> IPC_M_PHONE_HUNGUP |
* - this message CANNOT be forwarded |
* |
* EHANGUP during forward |
* - The *forwarding* phone will be closed, EFORWARD is sent to receiver. |
* |
* EHANGUP, ENOENT during forward |
* - EFORWARD is sent to the receiver, ipc_forward returns error code EFORWARD |
* |
* Cleanup strategy |
* |
* 1) Disconnect all our phones ('ipc_phone_hangup'). |
* |
* 2) Disconnect all phones connected to answerbox. |
* |
* 3) Answer all messages in 'calls' and 'dispatched_calls' queues with |
* appropriate error code (EHANGUP, EFORWARD). |
* |
* 4) Wait for all async answers to arrive and dispose of them. |
* |
*/ |
#include <synch/spinlock.h> |
#include <ipc/ipc.h> |
#include <arch.h> |
#include <proc/task.h> |
#include <ipc/ipcrsc.h> |
#include <debug.h> |
/** Find call_t * in call table according to callid. |
* |
* @todo Some speedup (hash table?) |
* |
* @param callid Userspace hash of the call. Currently it is the call |
* structure kernel address. |
* |
* @return NULL on not found, otherwise pointer to the call |
* structure. |
*/ |
call_t *get_call(unative_t callid) |
{ |
link_t *lst; |
call_t *call, *result = NULL; |
spinlock_lock(&TASK->answerbox.lock); |
for (lst = TASK->answerbox.dispatched_calls.next; |
lst != &TASK->answerbox.dispatched_calls; lst = lst->next) { |
call = list_get_instance(lst, call_t, link); |
if ((unative_t) call == callid) { |
result = call; |
break; |
} |
} |
spinlock_unlock(&TASK->answerbox.lock); |
return result; |
} |
/** Allocate new phone slot in the specified task. |
* |
* @param t Task for which to allocate a new phone. |
* |
* @return New phone handle or -1 if the phone handle limit is |
* exceeded. |
*/ |
int phone_alloc(task_t *t) |
{ |
int i; |
spinlock_lock(&t->lock); |
for (i = 0; i < IPC_MAX_PHONES; i++) { |
if (t->phones[i].state == IPC_PHONE_HUNGUP && |
atomic_get(&t->phones[i].active_calls) == 0) |
t->phones[i].state = IPC_PHONE_FREE; |
if (t->phones[i].state == IPC_PHONE_FREE) { |
t->phones[i].state = IPC_PHONE_CONNECTING; |
break; |
} |
} |
spinlock_unlock(&t->lock); |
if (i == IPC_MAX_PHONES) |
return -1; |
return i; |
} |
/** Mark a phone structure free. |
* |
* @param phone Phone structure to be marked free. |
*/ |
static void phone_deallocp(phone_t *phone) |
{ |
ASSERT(phone->state == IPC_PHONE_CONNECTING); |
/* atomic operation */ |
phone->state = IPC_PHONE_FREE; |
} |
/** Free slot from a disconnected phone. |
* |
* All already sent messages will be correctly processed. |
* |
* @param phoneid Phone handle of the phone to be freed. |
*/ |
void phone_dealloc(int phoneid) |
{ |
phone_deallocp(&TASK->phones[phoneid]); |
} |
/** Connect phone to a given answerbox. |
* |
* @param phoneid Phone handle to be connected. |
* @param box Answerbox to which to connect the phone handle. |
* |
* The procedure _enforces_ that the user first marks the phone |
* busy (e.g. via phone_alloc) and then connects the phone, otherwise |
* race condition may appear. |
*/ |
void phone_connect(int phoneid, answerbox_t *box) |
{ |
phone_t *phone = &TASK->phones[phoneid]; |
ASSERT(phone->state == IPC_PHONE_CONNECTING); |
ipc_phone_connect(phone, box); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/ipc/kbox.c |
---|
0,0 → 1,282 |
/* |
* Copyright (c) 2008 Jiri Svoboda |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericipc |
* @{ |
*/ |
/** @file |
*/ |
#include <synch/synch.h> |
#include <synch/spinlock.h> |
#include <synch/mutex.h> |
#include <ipc/ipc.h> |
#include <ipc/ipcrsc.h> |
#include <arch.h> |
#include <errno.h> |
#include <debug.h> |
#include <udebug/udebug_ipc.h> |
#include <ipc/kbox.h> |
#include <print.h> |
void ipc_kbox_cleanup(void) |
{ |
ipl_t ipl; |
bool have_kb_thread; |
/* |
* Only hold kb.cleanup_lock while setting kb.finished - |
* this is enough. |
*/ |
mutex_lock(&TASK->kb.cleanup_lock); |
TASK->kb.finished = true; |
mutex_unlock(&TASK->kb.cleanup_lock); |
have_kb_thread = (TASK->kb.thread != NULL); |
/* |
* From now on nobody will try to connect phones or attach |
* kbox threads |
*/ |
/* |
* Disconnect all phones connected to our kbox. Passing true for |
* notify_box causes a HANGUP message to be inserted for each |
* disconnected phone. This ensures the kbox thread is going to |
* wake up and terminate. |
*/ |
ipc_answerbox_slam_phones(&TASK->kb.box, have_kb_thread); |
/* |
* If the task was being debugged, clean up debugging session. |
* This is necessarry as slamming the phones won't force |
* kbox thread to clean it up since sender != debugger. |
*/ |
ipl = interrupts_disable(); |
spinlock_lock(&TASK->lock); |
udebug_task_cleanup(TASK); |
spinlock_unlock(&TASK->lock); |
interrupts_restore(ipl); |
if (have_kb_thread) { |
LOG("Join kb.thread."); |
thread_join(TASK->kb.thread); |
thread_detach(TASK->kb.thread); |
LOG("...join done."); |
TASK->kb.thread = NULL; |
} |
/* Answer all messages in 'calls' and 'dispatched_calls' queues. */ |
spinlock_lock(&TASK->kb.box.lock); |
ipc_cleanup_call_list(&TASK->kb.box.dispatched_calls); |
ipc_cleanup_call_list(&TASK->kb.box.calls); |
spinlock_unlock(&TASK->kb.box.lock); |
} |
/** Handle hangup message in kbox. |
* |
* @param call The IPC_M_PHONE_HUNGUP call structure. |
* @param last Output, the function stores @c true here if |
* this was the last phone, @c false otherwise. |
**/ |
static void kbox_proc_phone_hungup(call_t *call, bool *last) |
{ |
ipl_t ipl; |
/* Was it our debugger, who hung up? */ |
if (call->sender == TASK->udebug.debugger) { |
/* Terminate debugging session (if any). */ |
LOG("Terminate debugging session."); |
ipl = interrupts_disable(); |
spinlock_lock(&TASK->lock); |
udebug_task_cleanup(TASK); |
spinlock_unlock(&TASK->lock); |
interrupts_restore(ipl); |
} else { |
LOG("Was not debugger."); |
} |
LOG("Continue with hangup message."); |
IPC_SET_RETVAL(call->data, 0); |
ipc_answer(&TASK->kb.box, call); |
ipl = interrupts_disable(); |
spinlock_lock(&TASK->lock); |
spinlock_lock(&TASK->kb.box.lock); |
if (list_empty(&TASK->kb.box.connected_phones)) { |
/* |
* Last phone has been disconnected. Detach this thread so it |
* gets freed and signal to the caller. |
*/ |
/* Only detach kbox thread unless already terminating. */ |
mutex_lock(&TASK->kb.cleanup_lock); |
if (&TASK->kb.finished == false) { |
/* Detach kbox thread so it gets freed from memory. */ |
thread_detach(TASK->kb.thread); |
TASK->kb.thread = NULL; |
} |
mutex_unlock(&TASK->kb.cleanup_lock); |
LOG("Phone list is empty."); |
*last = true; |
} else { |
*last = false; |
} |
spinlock_unlock(&TASK->kb.box.lock); |
spinlock_unlock(&TASK->lock); |
interrupts_restore(ipl); |
} |
/** Implementing function for the kbox thread. |
* |
* This function listens for debug requests. It terminates |
* when all phones are disconnected from the kbox. |
* |
* @param arg Ignored. |
*/ |
static void kbox_thread_proc(void *arg) |
{ |
call_t *call; |
bool done; |
(void)arg; |
LOG("Starting."); |
done = false; |
while (!done) { |
call = ipc_wait_for_call(&TASK->kb.box, SYNCH_NO_TIMEOUT, |
SYNCH_FLAGS_NONE); |
if (call == NULL) |
continue; /* Try again. */ |
switch (IPC_GET_METHOD(call->data)) { |
case IPC_M_DEBUG_ALL: |
/* Handle debug call. */ |
udebug_call_receive(call); |
break; |
case IPC_M_PHONE_HUNGUP: |
/* |
* Process the hangup call. If this was the last |
* phone, done will be set to true and the |
* while loop will terminate. |
*/ |
kbox_proc_phone_hungup(call, &done); |
break; |
default: |
/* Ignore */ |
break; |
} |
} |
LOG("Exiting."); |
} |
/** |
* Connect phone to a task kernel-box specified by id. |
* |
* Note that this is not completely atomic. For optimisation reasons, the task |
* might start cleaning up kbox after the phone has been connected and before |
* a kbox thread has been created. This must be taken into account in the |
* cleanup code. |
* |
* @return Phone id on success, or negative error code. |
*/ |
int ipc_connect_kbox(task_id_t taskid) |
{ |
int newphid; |
task_t *ta; |
thread_t *kb_thread; |
ipl_t ipl; |
ipl = interrupts_disable(); |
spinlock_lock(&tasks_lock); |
ta = task_find_by_id(taskid); |
if (ta == NULL) { |
spinlock_unlock(&tasks_lock); |
interrupts_restore(ipl); |
return ENOENT; |
} |
atomic_inc(&ta->refcount); |
spinlock_unlock(&tasks_lock); |
interrupts_restore(ipl); |
mutex_lock(&ta->kb.cleanup_lock); |
if (atomic_predec(&ta->refcount) == 0) { |
mutex_unlock(&ta->kb.cleanup_lock); |
task_destroy(ta); |
return ENOENT; |
} |
if (ta->kb.finished != false) { |
mutex_unlock(&ta->kb.cleanup_lock); |
return EINVAL; |
} |
newphid = phone_alloc(TASK); |
if (newphid < 0) { |
mutex_unlock(&ta->kb.cleanup_lock); |
return ELIMIT; |
} |
/* Connect the newly allocated phone to the kbox */ |
ipc_phone_connect(&TASK->phones[newphid], &ta->kb.box); |
if (ta->kb.thread != NULL) { |
mutex_unlock(&ta->kb.cleanup_lock); |
return newphid; |
} |
/* Create a kbox thread */ |
kb_thread = thread_create(kbox_thread_proc, NULL, ta, 0, |
"kbox", false); |
if (!kb_thread) { |
mutex_unlock(&ta->kb.cleanup_lock); |
return ENOMEM; |
} |
ta->kb.thread = kb_thread; |
thread_ready(kb_thread); |
mutex_unlock(&ta->kb.cleanup_lock); |
return newphid; |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/ipc/ipc.c |
---|
0,0 → 1,701 |
/* |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericipc |
* @{ |
*/ |
/** @file |
*/ |
/* Lock ordering |
* |
* First the answerbox, then the phone. |
*/ |
#include <synch/synch.h> |
#include <synch/spinlock.h> |
#include <synch/mutex.h> |
#include <synch/waitq.h> |
#include <synch/synch.h> |
#include <ipc/ipc.h> |
#include <ipc/kbox.h> |
#include <ipc/event.h> |
#include <errno.h> |
#include <mm/slab.h> |
#include <arch.h> |
#include <proc/task.h> |
#include <memstr.h> |
#include <debug.h> |
#include <print.h> |
#include <console/console.h> |
#include <proc/thread.h> |
#include <arch/interrupt.h> |
#include <ipc/irq.h> |
/** Open channel that is assigned automatically to new tasks */ |
answerbox_t *ipc_phone_0 = NULL; |
static slab_cache_t *ipc_call_slab; |
/** Initialize a call structure. |
* |
* @param call Call structure to be initialized. |
*/ |
static void _ipc_call_init(call_t *call) |
{ |
memsetb(call, sizeof(*call), 0); |
call->callerbox = &TASK->answerbox; |
call->sender = TASK; |
call->buffer = NULL; |
} |
/** Allocate and initialize a call structure. |
* |
* The call is initialized, so that the reply will be directed to |
* TASK->answerbox. |
* |
* @param flags Parameters for slab_alloc (e.g FRAME_ATOMIC). |
* |
* @return If flags permit it, return NULL, or initialized kernel |
* call structure. |
*/ |
call_t *ipc_call_alloc(int flags) |
{ |
call_t *call; |
call = slab_alloc(ipc_call_slab, flags); |
if (call) |
_ipc_call_init(call); |
return call; |
} |
/** Initialize a statically allocated call structure. |
* |
* @param call Statically allocated kernel call structure to be |
* initialized. |
*/ |
void ipc_call_static_init(call_t *call) |
{ |
_ipc_call_init(call); |
call->flags |= IPC_CALL_STATIC_ALLOC; |
} |
/** Deallocate a call structure. |
* |
* @param call Call structure to be freed. |
*/ |
void ipc_call_free(call_t *call) |
{ |
ASSERT(!(call->flags & IPC_CALL_STATIC_ALLOC)); |
/* Check to see if we have data in the IPC_M_DATA_SEND buffer. */ |
if (call->buffer) |
free(call->buffer); |
slab_free(ipc_call_slab, call); |
} |
/** Initialize an answerbox structure. |
* |
* @param box Answerbox structure to be initialized. |
* @param task Task to which the answerbox belongs. |
*/ |
void ipc_answerbox_init(answerbox_t *box, task_t *task) |
{ |
spinlock_initialize(&box->lock, "ipc_box_lock"); |
spinlock_initialize(&box->irq_lock, "ipc_box_irqlock"); |
waitq_initialize(&box->wq); |
list_initialize(&box->connected_phones); |
list_initialize(&box->calls); |
list_initialize(&box->dispatched_calls); |
list_initialize(&box->answers); |
list_initialize(&box->irq_notifs); |
list_initialize(&box->irq_head); |
box->task = task; |
} |
/** Connect a phone to an answerbox. |
* |
* @param phone Initialized phone structure. |
* @param box Initialized answerbox structure. |
*/ |
void ipc_phone_connect(phone_t *phone, answerbox_t *box) |
{ |
mutex_lock(&phone->lock); |
phone->state = IPC_PHONE_CONNECTED; |
phone->callee = box; |
spinlock_lock(&box->lock); |
list_append(&phone->link, &box->connected_phones); |
spinlock_unlock(&box->lock); |
mutex_unlock(&phone->lock); |
} |
/** Initialize a phone structure. |
* |
* @param phone Phone structure to be initialized. |
*/ |
void ipc_phone_init(phone_t *phone) |
{ |
mutex_initialize(&phone->lock, MUTEX_PASSIVE); |
phone->callee = NULL; |
phone->state = IPC_PHONE_FREE; |
atomic_set(&phone->active_calls, 0); |
} |
/** Helper function to facilitate synchronous calls. |
* |
* @param phone Destination kernel phone structure. |
* @param request Call structure with request. |
* |
* @return EOK on success or EINTR if the sleep was interrupted. |
*/ |
int ipc_call_sync(phone_t *phone, call_t *request) |
{ |
answerbox_t sync_box; |
ipc_answerbox_init(&sync_box, TASK); |
/* We will receive data in a special box. */ |
request->callerbox = &sync_box; |
ipc_call(phone, request); |
if (!ipc_wait_for_call(&sync_box, SYNCH_NO_TIMEOUT, |
SYNCH_FLAGS_INTERRUPTIBLE)) |
return EINTR; |
return EOK; |
} |
/** Answer a message which was not dispatched and is not listed in any queue. |
* |
* @param call Call structure to be answered. |
*/ |
static void _ipc_answer_free_call(call_t *call) |
{ |
answerbox_t *callerbox = call->callerbox; |
call->flags |= IPC_CALL_ANSWERED; |
if (call->flags & IPC_CALL_FORWARDED) { |
if (call->caller_phone) { |
/* Demasquerade the caller phone. */ |
call->data.phone = call->caller_phone; |
} |
} |
spinlock_lock(&callerbox->lock); |
list_append(&call->link, &callerbox->answers); |
spinlock_unlock(&callerbox->lock); |
waitq_wakeup(&callerbox->wq, WAKEUP_FIRST); |
} |
/** Answer a message which is in a callee queue. |
* |
* @param box Answerbox that is answering the message. |
* @param call Modified request that is being sent back. |
*/ |
void ipc_answer(answerbox_t *box, call_t *call) |
{ |
/* Remove from active box */ |
spinlock_lock(&box->lock); |
list_remove(&call->link); |
spinlock_unlock(&box->lock); |
/* Send back answer */ |
_ipc_answer_free_call(call); |
} |
/** Simulate sending back a message. |
* |
* Most errors are better handled by forming a normal backward |
* message and sending it as a normal answer. |
* |
* @param phone Phone structure the call should appear to come from. |
* @param call Call structure to be answered. |
* @param err Return value to be used for the answer. |
*/ |
void ipc_backsend_err(phone_t *phone, call_t *call, unative_t err) |
{ |
call->data.phone = phone; |
atomic_inc(&phone->active_calls); |
IPC_SET_RETVAL(call->data, err); |
_ipc_answer_free_call(call); |
} |
/** Unsafe unchecking version of ipc_call. |
* |
* @param phone Phone structure the call comes from. |
* @param box Destination answerbox structure. |
* @param call Call structure with request. |
*/ |
static void _ipc_call(phone_t *phone, answerbox_t *box, call_t *call) |
{ |
if (!(call->flags & IPC_CALL_FORWARDED)) { |
atomic_inc(&phone->active_calls); |
call->data.phone = phone; |
} |
spinlock_lock(&box->lock); |
list_append(&call->link, &box->calls); |
spinlock_unlock(&box->lock); |
waitq_wakeup(&box->wq, WAKEUP_FIRST); |
} |
/** Send an asynchronous request using a phone to an answerbox. |
* |
* @param phone Phone structure the call comes from and which is |
* connected to the destination answerbox. |
* @param call Call structure with request. |
* |
* @return Return 0 on success, ENOENT on error. |
*/ |
int ipc_call(phone_t *phone, call_t *call) |
{ |
answerbox_t *box; |
mutex_lock(&phone->lock); |
if (phone->state != IPC_PHONE_CONNECTED) { |
mutex_unlock(&phone->lock); |
if (call->flags & IPC_CALL_FORWARDED) { |
IPC_SET_RETVAL(call->data, EFORWARD); |
_ipc_answer_free_call(call); |
} else { |
if (phone->state == IPC_PHONE_HUNGUP) |
ipc_backsend_err(phone, call, EHANGUP); |
else |
ipc_backsend_err(phone, call, ENOENT); |
} |
return ENOENT; |
} |
box = phone->callee; |
_ipc_call(phone, box, call); |
mutex_unlock(&phone->lock); |
return 0; |
} |
/** Disconnect phone from answerbox. |
* |
* This call leaves the phone in the HUNGUP state. The change to 'free' is done |
* lazily later. |
* |
* @param phone Phone structure to be hung up. |
* |
* @return Return 0 if the phone is disconnected. |
* Return -1 if the phone was already disconnected. |
*/ |
int ipc_phone_hangup(phone_t *phone) |
{ |
answerbox_t *box; |
call_t *call; |
mutex_lock(&phone->lock); |
if (phone->state == IPC_PHONE_FREE || |
phone->state == IPC_PHONE_HUNGUP || |
phone->state == IPC_PHONE_CONNECTING) { |
mutex_unlock(&phone->lock); |
return -1; |
} |
box = phone->callee; |
if (phone->state != IPC_PHONE_SLAMMED) { |
/* Remove myself from answerbox */ |
spinlock_lock(&box->lock); |
list_remove(&phone->link); |
spinlock_unlock(&box->lock); |
call = ipc_call_alloc(0); |
IPC_SET_METHOD(call->data, IPC_M_PHONE_HUNGUP); |
call->flags |= IPC_CALL_DISCARD_ANSWER; |
_ipc_call(phone, box, call); |
} |
phone->state = IPC_PHONE_HUNGUP; |
mutex_unlock(&phone->lock); |
return 0; |
} |
/** Forwards call from one answerbox to another one. |
* |
* @param call Call structure to be redirected. |
* @param newphone Phone structure to target answerbox. |
* @param oldbox Old answerbox structure. |
* @param mode Flags that specify mode of the forward operation. |
* |
* @return Return 0 if forwarding succeeded or an error code if |
* there was error. |
* |
* The return value serves only as an information for the forwarder, |
* the original caller is notified automatically with EFORWARD. |
*/ |
int ipc_forward(call_t *call, phone_t *newphone, answerbox_t *oldbox, int mode) |
{ |
spinlock_lock(&oldbox->lock); |
list_remove(&call->link); |
spinlock_unlock(&oldbox->lock); |
if (mode & IPC_FF_ROUTE_FROM_ME) { |
if (!call->caller_phone) |
call->caller_phone = call->data.phone; |
call->data.phone = newphone; |
} |
return ipc_call(newphone, call); |
} |
/** Wait for a phone call. |
* |
* @param box Answerbox expecting the call. |
* @param usec Timeout in microseconds. See documentation for |
* waitq_sleep_timeout() for decription of its special |
* meaning. |
* @param flags Select mode of sleep operation. See documentation for |
* waitq_sleep_timeout() for description of its special |
* meaning. |
* @return Recived call structure or NULL. |
* |
* To distinguish between a call and an answer, have a look at call->flags. |
*/ |
call_t *ipc_wait_for_call(answerbox_t *box, uint32_t usec, int flags) |
{ |
call_t *request; |
ipl_t ipl; |
int rc; |
restart: |
rc = waitq_sleep_timeout(&box->wq, usec, flags); |
if (SYNCH_FAILED(rc)) |
return NULL; |
spinlock_lock(&box->lock); |
if (!list_empty(&box->irq_notifs)) { |
ipl = interrupts_disable(); |
spinlock_lock(&box->irq_lock); |
request = list_get_instance(box->irq_notifs.next, call_t, link); |
list_remove(&request->link); |
spinlock_unlock(&box->irq_lock); |
interrupts_restore(ipl); |
} else if (!list_empty(&box->answers)) { |
/* Handle asynchronous answers */ |
request = list_get_instance(box->answers.next, call_t, link); |
list_remove(&request->link); |
atomic_dec(&request->data.phone->active_calls); |
} else if (!list_empty(&box->calls)) { |
/* Handle requests */ |
request = list_get_instance(box->calls.next, call_t, link); |
list_remove(&request->link); |
/* Append request to dispatch queue */ |
list_append(&request->link, &box->dispatched_calls); |
} else { |
/* This can happen regularly after ipc_cleanup */ |
spinlock_unlock(&box->lock); |
goto restart; |
} |
spinlock_unlock(&box->lock); |
return request; |
} |
/** Answer all calls from list with EHANGUP answer. |
* |
* @param lst Head of the list to be cleaned up. |
*/ |
void ipc_cleanup_call_list(link_t *lst) |
{ |
call_t *call; |
while (!list_empty(lst)) { |
call = list_get_instance(lst->next, call_t, link); |
if (call->buffer) |
free(call->buffer); |
list_remove(&call->link); |
IPC_SET_RETVAL(call->data, EHANGUP); |
_ipc_answer_free_call(call); |
} |
} |
/** Disconnects all phones connected to an answerbox. |
* |
* @param box Answerbox to disconnect phones from. |
* @param notify_box If true, the answerbox will get a hangup message for |
* each disconnected phone. |
*/ |
void ipc_answerbox_slam_phones(answerbox_t *box, bool notify_box) |
{ |
phone_t *phone; |
DEADLOCK_PROBE_INIT(p_phonelck); |
ipl_t ipl; |
call_t *call; |
call = notify_box ? ipc_call_alloc(0) : NULL; |
/* Disconnect all phones connected to our answerbox */ |
restart_phones: |
ipl = interrupts_disable(); |
spinlock_lock(&box->lock); |
while (!list_empty(&box->connected_phones)) { |
phone = list_get_instance(box->connected_phones.next, |
phone_t, link); |
if (SYNCH_FAILED(mutex_trylock(&phone->lock))) { |
spinlock_unlock(&box->lock); |
interrupts_restore(ipl); |
DEADLOCK_PROBE(p_phonelck, DEADLOCK_THRESHOLD); |
goto restart_phones; |
} |
/* Disconnect phone */ |
ASSERT(phone->state == IPC_PHONE_CONNECTED); |
list_remove(&phone->link); |
phone->state = IPC_PHONE_SLAMMED; |
if (notify_box) { |
mutex_unlock(&phone->lock); |
spinlock_unlock(&box->lock); |
interrupts_restore(ipl); |
/* |
* Send one message to the answerbox for each |
* phone. Used to make sure the kbox thread |
* wakes up after the last phone has been |
* disconnected. |
*/ |
IPC_SET_METHOD(call->data, IPC_M_PHONE_HUNGUP); |
call->flags |= IPC_CALL_DISCARD_ANSWER; |
_ipc_call(phone, box, call); |
/* Allocate another call in advance */ |
call = ipc_call_alloc(0); |
/* Must start again */ |
goto restart_phones; |
} |
mutex_unlock(&phone->lock); |
} |
spinlock_unlock(&box->lock); |
interrupts_restore(ipl); |
/* Free unused call */ |
if (call) |
ipc_call_free(call); |
} |
/** Cleans up all IPC communication of the current task. |
* |
* Note: ipc_hangup sets returning answerbox to TASK->answerbox, you |
* have to change it as well if you want to cleanup other tasks than TASK. |
*/ |
void ipc_cleanup(void) |
{ |
int i; |
call_t *call; |
/* Disconnect all our phones ('ipc_phone_hangup') */ |
for (i = 0; i < IPC_MAX_PHONES; i++) |
ipc_phone_hangup(&TASK->phones[i]); |
/* Unsubscribe from any event notifications. */ |
event_cleanup_answerbox(&TASK->answerbox); |
/* Disconnect all connected irqs */ |
ipc_irq_cleanup(&TASK->answerbox); |
/* Disconnect all phones connected to our regular answerbox */ |
ipc_answerbox_slam_phones(&TASK->answerbox, false); |
#ifdef CONFIG_UDEBUG |
/* Clean up kbox thread and communications */ |
ipc_kbox_cleanup(); |
#endif |
/* Answer all messages in 'calls' and 'dispatched_calls' queues */ |
spinlock_lock(&TASK->answerbox.lock); |
ipc_cleanup_call_list(&TASK->answerbox.dispatched_calls); |
ipc_cleanup_call_list(&TASK->answerbox.calls); |
spinlock_unlock(&TASK->answerbox.lock); |
/* Wait for all async answers to arrive */ |
while (1) { |
/* Go through all phones, until all are FREE... */ |
/* Locking not needed, no one else should modify |
* it, when we are in cleanup */ |
for (i = 0; i < IPC_MAX_PHONES; i++) { |
if (TASK->phones[i].state == IPC_PHONE_HUNGUP && |
atomic_get(&TASK->phones[i].active_calls) == 0) |
TASK->phones[i].state = IPC_PHONE_FREE; |
/* Just for sure, we might have had some |
* IPC_PHONE_CONNECTING phones */ |
if (TASK->phones[i].state == IPC_PHONE_CONNECTED) |
ipc_phone_hangup(&TASK->phones[i]); |
/* If the hangup succeeded, it has sent a HANGUP |
* message, the IPC is now in HUNGUP state, we |
* wait for the reply to come */ |
if (TASK->phones[i].state != IPC_PHONE_FREE) |
break; |
} |
/* Voila, got into cleanup */ |
if (i == IPC_MAX_PHONES) |
break; |
call = ipc_wait_for_call(&TASK->answerbox, SYNCH_NO_TIMEOUT, |
SYNCH_FLAGS_NONE); |
ASSERT((call->flags & IPC_CALL_ANSWERED) || |
(call->flags & IPC_CALL_NOTIF)); |
ASSERT(!(call->flags & IPC_CALL_STATIC_ALLOC)); |
/* |
* Record the receipt of this call in the current task's counter |
* of active calls. IPC_M_PHONE_HUNGUP calls do not contribute |
* to this counter so do not record answers to them either. |
*/ |
if (!(call->flags & IPC_CALL_DISCARD_ANSWER)) |
atomic_dec(&TASK->active_calls); |
ipc_call_free(call); |
} |
} |
/** Initilize IPC subsystem */ |
void ipc_init(void) |
{ |
ipc_call_slab = slab_cache_create("ipc_call", sizeof(call_t), 0, NULL, |
NULL, 0); |
} |
/** List answerbox contents. |
* |
* @param taskid Task ID. |
*/ |
void ipc_print_task(task_id_t taskid) |
{ |
task_t *task; |
int i; |
call_t *call; |
link_t *tmp; |
spinlock_lock(&tasks_lock); |
task = task_find_by_id(taskid); |
if (task) |
spinlock_lock(&task->lock); |
spinlock_unlock(&tasks_lock); |
if (!task) |
return; |
/* Print opened phones & details */ |
printf("PHONE:\n"); |
for (i = 0; i < IPC_MAX_PHONES; i++) { |
if (SYNCH_FAILED(mutex_trylock(&task->phones[i].lock))) { |
printf("%d: mutex busy\n", i); |
continue; |
} |
if (task->phones[i].state != IPC_PHONE_FREE) { |
printf("%d: ", i); |
switch (task->phones[i].state) { |
case IPC_PHONE_CONNECTING: |
printf("connecting "); |
break; |
case IPC_PHONE_CONNECTED: |
printf("connected to: %p ", |
task->phones[i].callee); |
break; |
case IPC_PHONE_SLAMMED: |
printf("slammed by: %p ", |
task->phones[i].callee); |
break; |
case IPC_PHONE_HUNGUP: |
printf("hung up - was: %p ", |
task->phones[i].callee); |
break; |
default: |
break; |
} |
printf("active: %ld\n", |
atomic_get(&task->phones[i].active_calls)); |
} |
mutex_unlock(&task->phones[i].lock); |
} |
/* Print answerbox - calls */ |
spinlock_lock(&task->answerbox.lock); |
printf("ABOX - CALLS:\n"); |
for (tmp = task->answerbox.calls.next; tmp != &task->answerbox.calls; |
tmp = tmp->next) { |
call = list_get_instance(tmp, call_t, link); |
printf("Callid: %p Srctask:%" PRIu64 " M:%" PRIun |
" A1:%" PRIun " A2:%" PRIun " A3:%" PRIun |
" A4:%" PRIun " A5:%" PRIun " Flags:%x\n", call, |
call->sender->taskid, |
IPC_GET_METHOD(call->data), IPC_GET_ARG1(call->data), |
IPC_GET_ARG2(call->data), IPC_GET_ARG3(call->data), |
IPC_GET_ARG4(call->data), IPC_GET_ARG5(call->data), |
call->flags); |
} |
/* Print answerbox - calls */ |
printf("ABOX - DISPATCHED CALLS:\n"); |
for (tmp = task->answerbox.dispatched_calls.next; |
tmp != &task->answerbox.dispatched_calls; |
tmp = tmp->next) { |
call = list_get_instance(tmp, call_t, link); |
printf("Callid: %p Srctask:%" PRIu64 " M:%" PRIun |
" A1:%" PRIun " A2:%" PRIun " A3:%" PRIun |
" A4:%" PRIun " A5:%" PRIun " Flags:%x\n", call, |
call->sender->taskid, |
IPC_GET_METHOD(call->data), IPC_GET_ARG1(call->data), |
IPC_GET_ARG2(call->data), IPC_GET_ARG3(call->data), |
IPC_GET_ARG4(call->data), IPC_GET_ARG5(call->data), |
call->flags); |
} |
/* Print answerbox - calls */ |
printf("ABOX - ANSWERS:\n"); |
for (tmp = task->answerbox.answers.next; |
tmp != &task->answerbox.answers; |
tmp = tmp->next) { |
call = list_get_instance(tmp, call_t, link); |
printf("Callid:%p M:%" PRIun " A1:%" PRIun " A2:%" PRIun |
" A3:%" PRIun " A4:%" PRIun " A5:%" PRIun " Flags:%x\n", |
call, IPC_GET_METHOD(call->data), IPC_GET_ARG1(call->data), |
IPC_GET_ARG2(call->data), IPC_GET_ARG3(call->data), |
IPC_GET_ARG4(call->data), IPC_GET_ARG5(call->data), |
call->flags); |
} |
spinlock_unlock(&task->answerbox.lock); |
spinlock_unlock(&task->lock); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/ipc/irq.c |
---|
0,0 → 1,503 |
/* |
* Copyright (c) 2006 Ondrej Palkovsky |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericipc |
* @{ |
*/ |
/** |
* @file |
* @brief IRQ notification framework. |
* |
* This framework allows applications to register to receive a notification |
* when interrupt is detected. The application may provide a simple 'top-half' |
* handler as part of its registration, which can perform simple operations |
* (read/write port/memory, add information to notification ipc message). |
* |
* The structure of a notification message is as follows: |
* - METHOD: method as registered by the SYS_IPC_REGISTER_IRQ syscall |
* - ARG1: payload modified by a 'top-half' handler |
* - ARG2: payload modified by a 'top-half' handler |
* - ARG3: payload modified by a 'top-half' handler |
* - ARG4: payload modified by a 'top-half' handler |
* - ARG5: payload modified by a 'top-half' handler |
* - in_phone_hash: interrupt counter (may be needed to assure correct order |
* in multithreaded drivers) |
* |
* Note on synchronization for ipc_irq_register(), ipc_irq_unregister(), |
* ipc_irq_cleanup() and IRQ handlers: |
* |
* By always taking all of the uspace IRQ hash table lock, IRQ structure lock |
* and answerbox lock, we can rule out race conditions between the |
* registration functions and also the cleanup function. Thus the observer can |
* either see the IRQ structure present in both the hash table and the |
* answerbox list or absent in both. Views in which the IRQ structure would be |
* linked in the hash table but not in the answerbox list, or vice versa, are |
* not possible. |
* |
* By always taking the hash table lock and the IRQ structure lock, we can |
* rule out a scenario in which we would free up an IRQ structure, which is |
* still referenced by, for example, an IRQ handler. The locking scheme forces |
* us to lock the IRQ structure only after any progressing IRQs on that |
* structure are finished. Because we hold the hash table lock, we prevent new |
* IRQs from taking new references to the IRQ structure. |
*/ |
#include <arch.h> |
#include <mm/slab.h> |
#include <errno.h> |
#include <ddi/irq.h> |
#include <ipc/ipc.h> |
#include <ipc/irq.h> |
#include <syscall/copy.h> |
#include <console/console.h> |
#include <print.h> |
/** Free the top-half pseudocode. |
* |
* @param code Pointer to the top-half pseudocode. |
*/ |
static void code_free(irq_code_t *code) |
{ |
if (code) { |
free(code->cmds); |
free(code); |
} |
} |
/** Copy the top-half pseudocode from userspace into the kernel. |
* |
* @param ucode Userspace address of the top-half pseudocode. |
* |
* @return Kernel address of the copied pseudocode. |
*/ |
static irq_code_t *code_from_uspace(irq_code_t *ucode) |
{ |
irq_code_t *code; |
irq_cmd_t *ucmds; |
int rc; |
code = malloc(sizeof(*code), 0); |
rc = copy_from_uspace(code, ucode, sizeof(*code)); |
if (rc != 0) { |
free(code); |
return NULL; |
} |
if (code->cmdcount > IRQ_MAX_PROG_SIZE) { |
free(code); |
return NULL; |
} |
ucmds = code->cmds; |
code->cmds = malloc(sizeof(code->cmds[0]) * code->cmdcount, 0); |
rc = copy_from_uspace(code->cmds, ucmds, |
sizeof(code->cmds[0]) * code->cmdcount); |
if (rc != 0) { |
free(code->cmds); |
free(code); |
return NULL; |
} |
return code; |
} |
/** Register an answerbox as a receiving end for IRQ notifications. |
* |
* @param box Receiving answerbox. |
* @param inr IRQ number. |
* @param devno Device number. |
* @param method Method to be associated with the notification. |
* @param ucode Uspace pointer to top-half pseudocode. |
* |
* @return EBADMEM, ENOENT or EEXISTS on failure or 0 on success. |
* |
*/ |
int ipc_irq_register(answerbox_t *box, inr_t inr, devno_t devno, |
unative_t method, irq_code_t *ucode) |
{ |
ipl_t ipl; |
irq_code_t *code; |
irq_t *irq; |
link_t *hlp; |
unative_t key[] = { |
(unative_t) inr, |
(unative_t) devno |
}; |
if (ucode) { |
code = code_from_uspace(ucode); |
if (!code) |
return EBADMEM; |
} else { |
code = NULL; |
} |
/* |
* Allocate and populate the IRQ structure. |
*/ |
irq = malloc(sizeof(irq_t), 0); |
irq_initialize(irq); |
irq->devno = devno; |
irq->inr = inr; |
irq->claim = ipc_irq_top_half_claim; |
irq->handler = ipc_irq_top_half_handler; |
irq->notif_cfg.notify = true; |
irq->notif_cfg.answerbox = box; |
irq->notif_cfg.method = method; |
irq->notif_cfg.code = code; |
irq->notif_cfg.counter = 0; |
/* |
* Enlist the IRQ structure in the uspace IRQ hash table and the |
* answerbox's list. |
*/ |
ipl = interrupts_disable(); |
spinlock_lock(&irq_uspace_hash_table_lock); |
hlp = hash_table_find(&irq_uspace_hash_table, key); |
if (hlp) { |
irq_t *hirq __attribute__((unused)) |
= hash_table_get_instance(hlp, irq_t, link); |
/* hirq is locked */ |
spinlock_unlock(&hirq->lock); |
code_free(code); |
spinlock_unlock(&irq_uspace_hash_table_lock); |
free(irq); |
interrupts_restore(ipl); |
return EEXISTS; |
} |
spinlock_lock(&irq->lock); /* Not really necessary, but paranoid */ |
spinlock_lock(&box->irq_lock); |
hash_table_insert(&irq_uspace_hash_table, key, &irq->link); |
list_append(&irq->notif_cfg.link, &box->irq_head); |
spinlock_unlock(&box->irq_lock); |
spinlock_unlock(&irq->lock); |
spinlock_unlock(&irq_uspace_hash_table_lock); |
interrupts_restore(ipl); |
return EOK; |
} |
/** Unregister task from IRQ notification. |
* |
* @param box Answerbox associated with the notification. |
* @param inr IRQ number. |
* @param devno Device number. |
*/ |
int ipc_irq_unregister(answerbox_t *box, inr_t inr, devno_t devno) |
{ |
ipl_t ipl; |
unative_t key[] = { |
(unative_t) inr, |
(unative_t) devno |
}; |
link_t *lnk; |
irq_t *irq; |
ipl = interrupts_disable(); |
spinlock_lock(&irq_uspace_hash_table_lock); |
lnk = hash_table_find(&irq_uspace_hash_table, key); |
if (!lnk) { |
spinlock_unlock(&irq_uspace_hash_table_lock); |
interrupts_restore(ipl); |
return ENOENT; |
} |
irq = hash_table_get_instance(lnk, irq_t, link); |
/* irq is locked */ |
spinlock_lock(&box->irq_lock); |
ASSERT(irq->notif_cfg.answerbox == box); |
/* Free up the pseudo code and associated structures. */ |
code_free(irq->notif_cfg.code); |
/* Remove the IRQ from the answerbox's list. */ |
list_remove(&irq->notif_cfg.link); |
/* |
* We need to drop the IRQ lock now because hash_table_remove() will try |
* to reacquire it. That basically violates the natural locking order, |
* but a deadlock in hash_table_remove() is prevented by the fact that |
* we already held the IRQ lock and didn't drop the hash table lock in |
* the meantime. |
*/ |
spinlock_unlock(&irq->lock); |
/* Remove the IRQ from the uspace IRQ hash table. */ |
hash_table_remove(&irq_uspace_hash_table, key, 2); |
spinlock_unlock(&irq_uspace_hash_table_lock); |
spinlock_unlock(&box->irq_lock); |
/* Free up the IRQ structure. */ |
free(irq); |
interrupts_restore(ipl); |
return EOK; |
} |
/** Disconnect all IRQ notifications from an answerbox. |
* |
* This function is effective because the answerbox contains |
* list of all irq_t structures that are registered to |
* send notifications to it. |
* |
* @param box Answerbox for which we want to carry out the cleanup. |
*/ |
void ipc_irq_cleanup(answerbox_t *box) |
{ |
ipl_t ipl; |
loop: |
ipl = interrupts_disable(); |
spinlock_lock(&irq_uspace_hash_table_lock); |
spinlock_lock(&box->irq_lock); |
while (box->irq_head.next != &box->irq_head) { |
link_t *cur = box->irq_head.next; |
irq_t *irq; |
DEADLOCK_PROBE_INIT(p_irqlock); |
unative_t key[2]; |
irq = list_get_instance(cur, irq_t, notif_cfg.link); |
if (!spinlock_trylock(&irq->lock)) { |
/* |
* Avoid deadlock by trying again. |
*/ |
spinlock_unlock(&box->irq_lock); |
spinlock_unlock(&irq_uspace_hash_table_lock); |
interrupts_restore(ipl); |
DEADLOCK_PROBE(p_irqlock, DEADLOCK_THRESHOLD); |
goto loop; |
} |
key[0] = irq->inr; |
key[1] = irq->devno; |
ASSERT(irq->notif_cfg.answerbox == box); |
/* Unlist from the answerbox. */ |
list_remove(&irq->notif_cfg.link); |
/* Free up the pseudo code and associated structures. */ |
code_free(irq->notif_cfg.code); |
/* |
* We need to drop the IRQ lock now because hash_table_remove() |
* will try to reacquire it. That basically violates the natural |
* locking order, but a deadlock in hash_table_remove() is |
* prevented by the fact that we already held the IRQ lock and |
* didn't drop the hash table lock in the meantime. |
*/ |
spinlock_unlock(&irq->lock); |
/* Remove from the hash table. */ |
hash_table_remove(&irq_uspace_hash_table, key, 2); |
free(irq); |
} |
spinlock_unlock(&box->irq_lock); |
spinlock_unlock(&irq_uspace_hash_table_lock); |
interrupts_restore(ipl); |
} |
/** Add a call to the proper answerbox queue. |
* |
* Assume irq->lock is locked. |
* |
* @param irq IRQ structure referencing the target answerbox. |
* @param call IRQ notification call. |
*/ |
static void send_call(irq_t *irq, call_t *call) |
{ |
spinlock_lock(&irq->notif_cfg.answerbox->irq_lock); |
list_append(&call->link, &irq->notif_cfg.answerbox->irq_notifs); |
spinlock_unlock(&irq->notif_cfg.answerbox->irq_lock); |
waitq_wakeup(&irq->notif_cfg.answerbox->wq, WAKEUP_FIRST); |
} |
/** Apply the top-half pseudo code to find out whether to accept the IRQ or not. |
* |
* @param irq IRQ structure. |
* |
* @return IRQ_ACCEPT if the interrupt is accepted by the |
* pseudocode. IRQ_DECLINE otherwise. |
*/ |
irq_ownership_t ipc_irq_top_half_claim(irq_t *irq) |
{ |
unsigned int i; |
unative_t dstval; |
irq_code_t *code = irq->notif_cfg.code; |
unative_t *scratch = irq->notif_cfg.scratch; |
if (!irq->notif_cfg.notify) |
return IRQ_DECLINE; |
if (!code) |
return IRQ_DECLINE; |
for (i = 0; i < code->cmdcount; i++) { |
unsigned int srcarg = code->cmds[i].srcarg; |
unsigned int dstarg = code->cmds[i].dstarg; |
if (srcarg >= IPC_CALL_LEN) |
break; |
if (dstarg >= IPC_CALL_LEN) |
break; |
switch (code->cmds[i].cmd) { |
case CMD_PIO_READ_8: |
dstval = pio_read_8((ioport8_t *) code->cmds[i].addr); |
if (dstarg) |
scratch[dstarg] = dstval; |
break; |
case CMD_PIO_READ_16: |
dstval = pio_read_16((ioport16_t *) code->cmds[i].addr); |
if (dstarg) |
scratch[dstarg] = dstval; |
break; |
case CMD_PIO_READ_32: |
dstval = pio_read_32((ioport32_t *) code->cmds[i].addr); |
if (dstarg) |
scratch[dstarg] = dstval; |
break; |
case CMD_PIO_WRITE_8: |
pio_write_8((ioport8_t *) code->cmds[i].addr, |
(uint8_t) code->cmds[i].value); |
break; |
case CMD_PIO_WRITE_16: |
pio_write_16((ioport16_t *) code->cmds[i].addr, |
(uint16_t) code->cmds[i].value); |
break; |
case CMD_PIO_WRITE_32: |
pio_write_32((ioport32_t *) code->cmds[i].addr, |
(uint32_t) code->cmds[i].value); |
break; |
case CMD_BTEST: |
if (srcarg && dstarg) { |
dstval = scratch[srcarg] & code->cmds[i].value; |
scratch[dstarg] = dstval; |
} |
break; |
case CMD_PREDICATE: |
if (srcarg && !scratch[srcarg]) { |
i += code->cmds[i].value; |
continue; |
} |
break; |
case CMD_ACCEPT: |
return IRQ_ACCEPT; |
break; |
case CMD_DECLINE: |
default: |
return IRQ_DECLINE; |
} |
} |
return IRQ_DECLINE; |
} |
/* IRQ top-half handler. |
* |
* We expect interrupts to be disabled and the irq->lock already held. |
* |
* @param irq IRQ structure. |
*/ |
void ipc_irq_top_half_handler(irq_t *irq) |
{ |
ASSERT(irq); |
if (irq->notif_cfg.answerbox) { |
call_t *call; |
call = ipc_call_alloc(FRAME_ATOMIC); |
if (!call) |
return; |
call->flags |= IPC_CALL_NOTIF; |
/* Put a counter to the message */ |
call->priv = ++irq->notif_cfg.counter; |
/* Set up args */ |
IPC_SET_METHOD(call->data, irq->notif_cfg.method); |
IPC_SET_ARG1(call->data, irq->notif_cfg.scratch[1]); |
IPC_SET_ARG2(call->data, irq->notif_cfg.scratch[2]); |
IPC_SET_ARG3(call->data, irq->notif_cfg.scratch[3]); |
IPC_SET_ARG4(call->data, irq->notif_cfg.scratch[4]); |
IPC_SET_ARG5(call->data, irq->notif_cfg.scratch[5]); |
send_call(irq, call); |
} |
} |
/** Send notification message. |
* |
* @param irq IRQ structure. |
* @param a1 Driver-specific payload argument. |
* @param a2 Driver-specific payload argument. |
* @param a3 Driver-specific payload argument. |
* @param a4 Driver-specific payload argument. |
* @param a5 Driver-specific payload argument. |
*/ |
void ipc_irq_send_msg(irq_t *irq, unative_t a1, unative_t a2, unative_t a3, |
unative_t a4, unative_t a5) |
{ |
call_t *call; |
spinlock_lock(&irq->lock); |
if (irq->notif_cfg.answerbox) { |
call = ipc_call_alloc(FRAME_ATOMIC); |
if (!call) { |
spinlock_unlock(&irq->lock); |
return; |
} |
call->flags |= IPC_CALL_NOTIF; |
/* Put a counter to the message */ |
call->priv = ++irq->notif_cfg.counter; |
IPC_SET_METHOD(call->data, irq->notif_cfg.method); |
IPC_SET_ARG1(call->data, a1); |
IPC_SET_ARG2(call->data, a2); |
IPC_SET_ARG3(call->data, a3); |
IPC_SET_ARG4(call->data, a4); |
IPC_SET_ARG5(call->data, a5); |
send_call(irq, call); |
} |
spinlock_unlock(&irq->lock); |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/syscall/syscall.c |
---|
0,0 → 1,168 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** |
* @file |
* @brief Syscall table and syscall wrappers. |
*/ |
#include <syscall/syscall.h> |
#include <proc/thread.h> |
#include <proc/task.h> |
#include <proc/program.h> |
#include <mm/as.h> |
#include <print.h> |
#include <arch.h> |
#include <debug.h> |
#include <ddi/device.h> |
#include <ipc/sysipc.h> |
#include <synch/futex.h> |
#include <synch/smc.h> |
#include <ddi/ddi.h> |
#include <ipc/event.h> |
#include <security/cap.h> |
#include <sysinfo/sysinfo.h> |
#include <console/console.h> |
#include <udebug/udebug.h> |
/** Dispatch system call */ |
unative_t syscall_handler(unative_t a1, unative_t a2, unative_t a3, |
unative_t a4, unative_t a5, unative_t a6, unative_t id) |
{ |
unative_t rc; |
#ifdef CONFIG_UDEBUG |
bool debug; |
/* |
* Early check for undebugged tasks. We do not lock anything as this |
* test need not be precise in either way. |
*/ |
debug = THREAD->udebug.active; |
if (debug) { |
udebug_syscall_event(a1, a2, a3, a4, a5, a6, id, 0, false); |
} |
#endif |
if (id < SYSCALL_END) { |
rc = syscall_table[id](a1, a2, a3, a4, a5, a6); |
} else { |
printf("Task %" PRIu64": Unknown syscall %#" PRIxn, TASK->taskid, id); |
task_kill(TASK->taskid); |
thread_exit(); |
} |
if (THREAD->interrupted) |
thread_exit(); |
#ifdef CONFIG_UDEBUG |
if (debug) { |
udebug_syscall_event(a1, a2, a3, a4, a5, a6, id, rc, true); |
/* |
* Stopping point needed for tasks that only invoke |
* non-blocking system calls. Not needed if the task |
* is not being debugged (it cannot block here). |
*/ |
udebug_stoppable_begin(); |
udebug_stoppable_end(); |
} |
#endif |
return rc; |
} |
syshandler_t syscall_table[SYSCALL_END] = { |
(syshandler_t) sys_klog, |
(syshandler_t) sys_tls_set, |
/* Thread and task related syscalls. */ |
(syshandler_t) sys_thread_create, |
(syshandler_t) sys_thread_exit, |
(syshandler_t) sys_thread_get_id, |
(syshandler_t) sys_task_get_id, |
(syshandler_t) sys_task_set_name, |
(syshandler_t) sys_program_spawn_loader, |
/* Synchronization related syscalls. */ |
(syshandler_t) sys_futex_sleep_timeout, |
(syshandler_t) sys_futex_wakeup, |
(syshandler_t) sys_smc_coherence, |
/* Address space related syscalls. */ |
(syshandler_t) sys_as_area_create, |
(syshandler_t) sys_as_area_resize, |
(syshandler_t) sys_as_area_change_flags, |
(syshandler_t) sys_as_area_destroy, |
/* IPC related syscalls. */ |
(syshandler_t) sys_ipc_call_sync_fast, |
(syshandler_t) sys_ipc_call_sync_slow, |
(syshandler_t) sys_ipc_call_async_fast, |
(syshandler_t) sys_ipc_call_async_slow, |
(syshandler_t) sys_ipc_answer_fast, |
(syshandler_t) sys_ipc_answer_slow, |
(syshandler_t) sys_ipc_forward_fast, |
(syshandler_t) sys_ipc_forward_slow, |
(syshandler_t) sys_ipc_wait_for_call, |
(syshandler_t) sys_ipc_hangup, |
(syshandler_t) sys_ipc_register_irq, |
(syshandler_t) sys_ipc_unregister_irq, |
/* Event notification syscalls. */ |
(syshandler_t) sys_event_subscribe, |
/* Capabilities related syscalls. */ |
(syshandler_t) sys_cap_grant, |
(syshandler_t) sys_cap_revoke, |
/* DDI related syscalls. */ |
(syshandler_t) sys_device_assign_devno, |
(syshandler_t) sys_physmem_map, |
(syshandler_t) sys_iospace_enable, |
(syshandler_t) sys_preempt_control, |
/* Sysinfo syscalls */ |
(syshandler_t) sys_sysinfo_valid, |
(syshandler_t) sys_sysinfo_value, |
/* Debug calls */ |
(syshandler_t) sys_debug_enable_console, |
(syshandler_t) sys_debug_disable_console, |
(syshandler_t) sys_ipc_connect_kbox |
}; |
/** @} |
*/ |
/branches/arm/kernel/generic/src/syscall/copy.c |
---|
0,0 → 1,131 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** |
* @file |
* @brief Copying between kernel and userspace. |
* |
* This file contains sanitized functions for copying data |
* between kernel and userspace. |
*/ |
#include <syscall/copy.h> |
#include <proc/thread.h> |
#include <mm/as.h> |
#include <macros.h> |
#include <arch.h> |
#include <errno.h> |
/** Copy data from userspace to kernel. |
* |
* Provisions are made to return value even after page fault. |
* |
* This function can be called only from syscall. |
* |
* @param dst Destination kernel address. |
* @param uspace_src Source userspace address. |
* @param size Size of the data to be copied. |
* |
* @return 0 on success or error code from @ref errno.h. |
*/ |
int copy_from_uspace(void *dst, const void *uspace_src, size_t size) |
{ |
ipl_t ipl; |
int rc; |
ASSERT(THREAD); |
ASSERT(!THREAD->in_copy_from_uspace); |
if (!KERNEL_ADDRESS_SPACE_SHADOWED) { |
if (overlaps((uintptr_t) uspace_src, size, |
KERNEL_ADDRESS_SPACE_START, KERNEL_ADDRESS_SPACE_END-KERNEL_ADDRESS_SPACE_START)) { |
/* |
* The userspace source block conflicts with kernel address space. |
*/ |
return EPERM; |
} |
} |
ipl = interrupts_disable(); |
THREAD->in_copy_from_uspace = true; |
rc = memcpy_from_uspace(dst, uspace_src, size); |
THREAD->in_copy_from_uspace = false; |
interrupts_restore(ipl); |
return !rc ? EPERM : 0; |
} |
/** Copy data from kernel to userspace. |
* |
* Provisions are made to return value even after page fault. |
* |
* This function can be called only from syscall. |
* |
* @param uspace_dst Destination userspace address. |
* @param src Source kernel address. |
* @param size Size of the data to be copied. |
* |
* @return 0 on success or error code from @ref errno.h. |
*/ |
int copy_to_uspace(void *uspace_dst, const void *src, size_t size) |
{ |
ipl_t ipl; |
int rc; |
ASSERT(THREAD); |
ASSERT(!THREAD->in_copy_to_uspace); |
if (!KERNEL_ADDRESS_SPACE_SHADOWED) { |
if (overlaps((uintptr_t) uspace_dst, size, |
KERNEL_ADDRESS_SPACE_START, KERNEL_ADDRESS_SPACE_END-KERNEL_ADDRESS_SPACE_START)) { |
/* |
* The userspace destination block conflicts with kernel address space. |
*/ |
return EPERM; |
} |
} |
ipl = interrupts_disable(); |
THREAD->in_copy_to_uspace = true; |
rc = memcpy_to_uspace(uspace_dst, src, size); |
THREAD->in_copy_to_uspace = false; |
interrupts_restore(ipl); |
return !rc ? EPERM : 0; |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/udebug/udebug.c |
---|
0,0 → 1,461 |
/* |
* Copyright (c) 2008 Jiri Svoboda |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** |
* @file |
* @brief Udebug hooks and data structure management. |
* |
* Udebug is an interface that makes userspace debuggers possible. |
*/ |
#include <synch/waitq.h> |
#include <debug.h> |
#include <udebug/udebug.h> |
#include <errno.h> |
#include <print.h> |
#include <arch.h> |
/** Initialize udebug part of task structure. |
* |
* Called as part of task structure initialization. |
* @param ut Pointer to the structure to initialize. |
*/ |
void udebug_task_init(udebug_task_t *ut) |
{ |
mutex_initialize(&ut->lock, MUTEX_PASSIVE); |
ut->dt_state = UDEBUG_TS_INACTIVE; |
ut->begin_call = NULL; |
ut->not_stoppable_count = 0; |
ut->evmask = 0; |
} |
/** Initialize udebug part of thread structure. |
* |
* Called as part of thread structure initialization. |
* @param ut Pointer to the structure to initialize. |
*/ |
void udebug_thread_initialize(udebug_thread_t *ut) |
{ |
mutex_initialize(&ut->lock, MUTEX_PASSIVE); |
waitq_initialize(&ut->go_wq); |
ut->go_call = NULL; |
ut->uspace_state = NULL; |
ut->go = false; |
ut->stoppable = true; |
ut->active = false; |
ut->cur_event = 0; /* none */ |
} |
/** Wait for a GO message. |
* |
* When a debugging event occurs in a thread or the thread is stopped, |
* this function is called to block the thread until a GO message |
* is received. |
* |
* @param wq The wait queue used by the thread to wait for GO messages. |
*/ |
static void udebug_wait_for_go(waitq_t *wq) |
{ |
int rc; |
ipl_t ipl; |
ipl = waitq_sleep_prepare(wq); |
wq->missed_wakeups = 0; /* Enforce blocking. */ |
rc = waitq_sleep_timeout_unsafe(wq, SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NONE); |
waitq_sleep_finish(wq, rc, ipl); |
} |
/** Start of stoppable section. |
* |
* A stoppable section is a section of code where if the thread can be stoped. In other words, |
* if a STOP operation is issued, the thread is guaranteed not to execute |
* any userspace instructions until the thread is resumed. |
* |
* Having stoppable sections is better than having stopping points, since |
* a thread can be stopped even when it is blocked indefinitely in a system |
* call (whereas it would not reach any stopping point). |
*/ |
void udebug_stoppable_begin(void) |
{ |
int nsc; |
call_t *db_call, *go_call; |
ASSERT(THREAD); |
ASSERT(TASK); |
mutex_lock(&TASK->udebug.lock); |
nsc = --TASK->udebug.not_stoppable_count; |
/* Lock order OK, THREAD->udebug.lock is after TASK->udebug.lock */ |
mutex_lock(&THREAD->udebug.lock); |
ASSERT(THREAD->udebug.stoppable == false); |
THREAD->udebug.stoppable = true; |
if (TASK->udebug.dt_state == UDEBUG_TS_BEGINNING && nsc == 0) { |
/* |
* This was the last non-stoppable thread. Reply to |
* DEBUG_BEGIN call. |
*/ |
db_call = TASK->udebug.begin_call; |
ASSERT(db_call); |
TASK->udebug.dt_state = UDEBUG_TS_ACTIVE; |
TASK->udebug.begin_call = NULL; |
IPC_SET_RETVAL(db_call->data, 0); |
ipc_answer(&TASK->answerbox, db_call); |
} else if (TASK->udebug.dt_state == UDEBUG_TS_ACTIVE) { |
/* |
* Active debugging session |
*/ |
if (THREAD->udebug.active == true && |
THREAD->udebug.go == false) { |
/* |
* Thread was requested to stop - answer go call |
*/ |
/* Make sure nobody takes this call away from us */ |
go_call = THREAD->udebug.go_call; |
THREAD->udebug.go_call = NULL; |
ASSERT(go_call); |
IPC_SET_RETVAL(go_call->data, 0); |
IPC_SET_ARG1(go_call->data, UDEBUG_EVENT_STOP); |
THREAD->udebug.cur_event = UDEBUG_EVENT_STOP; |
ipc_answer(&TASK->answerbox, go_call); |
} |
} |
mutex_unlock(&THREAD->udebug.lock); |
mutex_unlock(&TASK->udebug.lock); |
} |
/** End of a stoppable section. |
* |
* This is the point where the thread will block if it is stopped. |
* (As, by definition, a stopped thread must not leave its stoppable section). |
*/ |
void udebug_stoppable_end(void) |
{ |
restart: |
mutex_lock(&TASK->udebug.lock); |
mutex_lock(&THREAD->udebug.lock); |
if (THREAD->udebug.active && THREAD->udebug.go == false) { |
TASK->udebug.begin_call = NULL; |
mutex_unlock(&THREAD->udebug.lock); |
mutex_unlock(&TASK->udebug.lock); |
udebug_wait_for_go(&THREAD->udebug.go_wq); |
goto restart; |
/* Must try again - have to lose stoppability atomically. */ |
} else { |
++TASK->udebug.not_stoppable_count; |
ASSERT(THREAD->udebug.stoppable == true); |
THREAD->udebug.stoppable = false; |
mutex_unlock(&THREAD->udebug.lock); |
mutex_unlock(&TASK->udebug.lock); |
} |
} |
/** Upon being scheduled to run, check if the current thread should stop. |
* |
* This function is called from clock(). |
*/ |
void udebug_before_thread_runs(void) |
{ |
/* Check if we're supposed to stop */ |
udebug_stoppable_begin(); |
udebug_stoppable_end(); |
} |
/** Syscall event hook. |
* |
* Must be called before and after servicing a system call. This generates |
* a SYSCALL_B or SYSCALL_E event, depending on the value of @a end_variant. |
*/ |
void udebug_syscall_event(unative_t a1, unative_t a2, unative_t a3, |
unative_t a4, unative_t a5, unative_t a6, unative_t id, unative_t rc, |
bool end_variant) |
{ |
call_t *call; |
udebug_event_t etype; |
etype = end_variant ? UDEBUG_EVENT_SYSCALL_E : UDEBUG_EVENT_SYSCALL_B; |
mutex_lock(&TASK->udebug.lock); |
mutex_lock(&THREAD->udebug.lock); |
/* Must only generate events when in debugging session and is go. */ |
if (THREAD->udebug.active != true || THREAD->udebug.go == false || |
(TASK->udebug.evmask & UDEBUG_EVMASK(etype)) == 0) { |
mutex_unlock(&THREAD->udebug.lock); |
mutex_unlock(&TASK->udebug.lock); |
return; |
} |
/* Fill in the GO response. */ |
call = THREAD->udebug.go_call; |
THREAD->udebug.go_call = NULL; |
IPC_SET_RETVAL(call->data, 0); |
IPC_SET_ARG1(call->data, etype); |
IPC_SET_ARG2(call->data, id); |
IPC_SET_ARG3(call->data, rc); |
THREAD->udebug.syscall_args[0] = a1; |
THREAD->udebug.syscall_args[1] = a2; |
THREAD->udebug.syscall_args[2] = a3; |
THREAD->udebug.syscall_args[3] = a4; |
THREAD->udebug.syscall_args[4] = a5; |
THREAD->udebug.syscall_args[5] = a6; |
/* |
* Make sure udebug.go is false when going to sleep |
* in case we get woken up by DEBUG_END. (At which |
* point it must be back to the initial true value). |
*/ |
THREAD->udebug.go = false; |
THREAD->udebug.cur_event = etype; |
ipc_answer(&TASK->answerbox, call); |
mutex_unlock(&THREAD->udebug.lock); |
mutex_unlock(&TASK->udebug.lock); |
udebug_wait_for_go(&THREAD->udebug.go_wq); |
} |
/** Thread-creation event hook combined with attaching the thread. |
* |
* Must be called when a new userspace thread is created in the debugged |
* task. Generates a THREAD_B event. Also attaches the thread @a t |
* to the task @a ta. |
* |
* This is necessary to avoid a race condition where the BEGIN and THREAD_READ |
* requests would be handled inbetween attaching the thread and checking it |
* for being in a debugging session to send the THREAD_B event. We could then |
* either miss threads or get some threads both in the thread list |
* and get a THREAD_B event for them. |
* |
* @param t Structure of the thread being created. Not locked, as the |
* thread is not executing yet. |
* @param ta Task to which the thread should be attached. |
*/ |
void udebug_thread_b_event_attach(struct thread *t, struct task *ta) |
{ |
call_t *call; |
mutex_lock(&TASK->udebug.lock); |
mutex_lock(&THREAD->udebug.lock); |
thread_attach(t, ta); |
LOG("Check state"); |
/* Must only generate events when in debugging session */ |
if (THREAD->udebug.active != true) { |
LOG("udebug.active: %s, udebug.go: %s", |
THREAD->udebug.active ? "Yes(+)" : "No", |
THREAD->udebug.go ? "Yes(-)" : "No"); |
mutex_unlock(&THREAD->udebug.lock); |
mutex_unlock(&TASK->udebug.lock); |
return; |
} |
LOG("Trigger event"); |
call = THREAD->udebug.go_call; |
THREAD->udebug.go_call = NULL; |
IPC_SET_RETVAL(call->data, 0); |
IPC_SET_ARG1(call->data, UDEBUG_EVENT_THREAD_B); |
IPC_SET_ARG2(call->data, (unative_t)t); |
/* |
* Make sure udebug.go is false when going to sleep |
* in case we get woken up by DEBUG_END. (At which |
* point it must be back to the initial true value). |
*/ |
THREAD->udebug.go = false; |
THREAD->udebug.cur_event = UDEBUG_EVENT_THREAD_B; |
ipc_answer(&TASK->answerbox, call); |
mutex_unlock(&THREAD->udebug.lock); |
mutex_unlock(&TASK->udebug.lock); |
LOG("Wait for Go"); |
udebug_wait_for_go(&THREAD->udebug.go_wq); |
} |
/** Thread-termination event hook. |
* |
* Must be called when the current thread is terminating. |
* Generates a THREAD_E event. |
*/ |
void udebug_thread_e_event(void) |
{ |
call_t *call; |
mutex_lock(&TASK->udebug.lock); |
mutex_lock(&THREAD->udebug.lock); |
LOG("Check state"); |
/* Must only generate events when in debugging session. */ |
if (THREAD->udebug.active != true) { |
LOG("udebug.active: %s, udebug.go: %s", |
THREAD->udebug.active ? "Yes" : "No", |
THREAD->udebug.go ? "Yes" : "No"); |
mutex_unlock(&THREAD->udebug.lock); |
mutex_unlock(&TASK->udebug.lock); |
return; |
} |
LOG("Trigger event"); |
call = THREAD->udebug.go_call; |
THREAD->udebug.go_call = NULL; |
IPC_SET_RETVAL(call->data, 0); |
IPC_SET_ARG1(call->data, UDEBUG_EVENT_THREAD_E); |
/* Prevent any further debug activity in thread. */ |
THREAD->udebug.active = false; |
THREAD->udebug.cur_event = 0; /* none */ |
THREAD->udebug.go = false; /* set to initial value */ |
ipc_answer(&TASK->answerbox, call); |
mutex_unlock(&THREAD->udebug.lock); |
mutex_unlock(&TASK->udebug.lock); |
/* |
* This event does not sleep - debugging has finished |
* in this thread. |
*/ |
} |
/** |
* Terminate task debugging session. |
* |
* Gracefully terminates the debugging session for a task. If the debugger |
* is still waiting for events on some threads, it will receive a |
* FINISHED event for each of them. |
* |
* @param ta Task structure. ta->udebug.lock must be already locked. |
* @return Zero on success or negative error code. |
*/ |
int udebug_task_cleanup(struct task *ta) |
{ |
thread_t *t; |
link_t *cur; |
int flags; |
ipl_t ipl; |
if (ta->udebug.dt_state != UDEBUG_TS_BEGINNING && |
ta->udebug.dt_state != UDEBUG_TS_ACTIVE) { |
return EINVAL; |
} |
LOG("Task %" PRIu64, ta->taskid); |
/* Finish debugging of all userspace threads */ |
for (cur = ta->th_head.next; cur != &ta->th_head; cur = cur->next) { |
t = list_get_instance(cur, thread_t, th_link); |
mutex_lock(&t->udebug.lock); |
ipl = interrupts_disable(); |
spinlock_lock(&t->lock); |
flags = t->flags; |
spinlock_unlock(&t->lock); |
interrupts_restore(ipl); |
/* Only process userspace threads. */ |
if ((flags & THREAD_FLAG_USPACE) != 0) { |
/* Prevent any further debug activity in thread. */ |
t->udebug.active = false; |
t->udebug.cur_event = 0; /* none */ |
/* Is the thread still go? */ |
if (t->udebug.go == true) { |
/* |
* Yes, so clear go. As active == false, |
* this doesn't affect anything. |
*/ |
t->udebug.go = false; |
/* Answer GO call */ |
LOG("Answer GO call with EVENT_FINISHED."); |
IPC_SET_RETVAL(t->udebug.go_call->data, 0); |
IPC_SET_ARG1(t->udebug.go_call->data, |
UDEBUG_EVENT_FINISHED); |
ipc_answer(&ta->answerbox, t->udebug.go_call); |
t->udebug.go_call = NULL; |
} else { |
/* |
* Debug_stop is already at initial value. |
* Yet this means the thread needs waking up. |
*/ |
/* |
* t's lock must not be held when calling |
* waitq_wakeup. |
*/ |
waitq_wakeup(&t->udebug.go_wq, WAKEUP_FIRST); |
} |
} |
mutex_unlock(&t->udebug.lock); |
} |
ta->udebug.dt_state = UDEBUG_TS_INACTIVE; |
ta->udebug.debugger = NULL; |
return 0; |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/udebug/udebug_ops.c |
---|
0,0 → 1,507 |
/* |
* Copyright (c) 2008 Jiri Svoboda |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** |
* @file |
* @brief Udebug operations. |
* |
* Udebug operations on tasks and threads are implemented here. The |
* functions defined here are called from the udebug_ipc module |
* when servicing udebug IPC messages. |
*/ |
#include <debug.h> |
#include <proc/task.h> |
#include <proc/thread.h> |
#include <arch.h> |
#include <errno.h> |
#include <print.h> |
#include <syscall/copy.h> |
#include <ipc/ipc.h> |
#include <udebug/udebug.h> |
#include <udebug/udebug_ops.h> |
/** |
* Prepare a thread for a debugging operation. |
* |
* Simply put, return thread t with t->udebug.lock held, |
* but only if it verifies all conditions. |
* |
* Specifically, verifies that thread t exists, is a userspace thread, |
* and belongs to the current task (TASK). Verifies, that the thread |
* is (or is not) go according to being_go (typically false). |
* It also locks t->udebug.lock, making sure that t->udebug.active |
* is true - that the thread is in a valid debugging session. |
* |
* With this verified and the t->udebug.lock mutex held, it is ensured |
* that the thread cannot leave the debugging session, let alone cease |
* to exist. |
* |
* In this function, holding the TASK->udebug.lock mutex prevents the |
* thread from leaving the debugging session, while relaxing from |
* the t->lock spinlock to the t->udebug.lock mutex. |
* |
* @param t Pointer, need not at all be valid. |
* @param being_go Required thread state. |
* |
* Returns EOK if all went well, or an error code otherwise. |
*/ |
static int _thread_op_begin(thread_t *t, bool being_go) |
{ |
task_id_t taskid; |
ipl_t ipl; |
taskid = TASK->taskid; |
mutex_lock(&TASK->udebug.lock); |
/* thread_exists() must be called with threads_lock held */ |
ipl = interrupts_disable(); |
spinlock_lock(&threads_lock); |
if (!thread_exists(t)) { |
spinlock_unlock(&threads_lock); |
interrupts_restore(ipl); |
mutex_unlock(&TASK->udebug.lock); |
return ENOENT; |
} |
/* t->lock is enough to ensure the thread's existence */ |
spinlock_lock(&t->lock); |
spinlock_unlock(&threads_lock); |
/* Verify that 't' is a userspace thread. */ |
if ((t->flags & THREAD_FLAG_USPACE) == 0) { |
/* It's not, deny its existence */ |
spinlock_unlock(&t->lock); |
interrupts_restore(ipl); |
mutex_unlock(&TASK->udebug.lock); |
return ENOENT; |
} |
/* Verify debugging state. */ |
if (t->udebug.active != true) { |
/* Not in debugging session or undesired GO state */ |
spinlock_unlock(&t->lock); |
interrupts_restore(ipl); |
mutex_unlock(&TASK->udebug.lock); |
return ENOENT; |
} |
/* |
* Since the thread has active == true, TASK->udebug.lock |
* is enough to ensure its existence and that active remains |
* true. |
*/ |
spinlock_unlock(&t->lock); |
interrupts_restore(ipl); |
/* Only mutex TASK->udebug.lock left. */ |
/* Now verify that the thread belongs to the current task. */ |
if (t->task != TASK) { |
/* No such thread belonging this task*/ |
mutex_unlock(&TASK->udebug.lock); |
return ENOENT; |
} |
/* |
* Now we need to grab the thread's debug lock for synchronization |
* of the threads stoppability/stop state. |
*/ |
mutex_lock(&t->udebug.lock); |
/* The big task mutex is no longer needed. */ |
mutex_unlock(&TASK->udebug.lock); |
if (t->udebug.go != being_go) { |
/* Not in debugging session or undesired GO state. */ |
mutex_unlock(&t->udebug.lock); |
return EINVAL; |
} |
/* Only t->udebug.lock left. */ |
return EOK; /* All went well. */ |
} |
/** End debugging operation on a thread. */ |
static void _thread_op_end(thread_t *t) |
{ |
mutex_unlock(&t->udebug.lock); |
} |
/** Begin debugging the current task. |
* |
* Initiates a debugging session for the current task (and its threads). |
* When the debugging session has started a reply will be sent to the |
* UDEBUG_BEGIN call. This may happen immediately in this function if |
* all the threads in this task are stoppable at the moment and in this |
* case the function returns 1. |
* |
* Otherwise the function returns 0 and the reply will be sent as soon as |
* all the threads become stoppable (i.e. they can be considered stopped). |
* |
* @param call The BEGIN call we are servicing. |
* @return 0 (OK, but not done yet), 1 (done) or negative error code. |
*/ |
int udebug_begin(call_t *call) |
{ |
int reply; |
thread_t *t; |
link_t *cur; |
LOG("Debugging task %llu", TASK->taskid); |
mutex_lock(&TASK->udebug.lock); |
if (TASK->udebug.dt_state != UDEBUG_TS_INACTIVE) { |
mutex_unlock(&TASK->udebug.lock); |
return EBUSY; |
} |
TASK->udebug.dt_state = UDEBUG_TS_BEGINNING; |
TASK->udebug.begin_call = call; |
TASK->udebug.debugger = call->sender; |
if (TASK->udebug.not_stoppable_count == 0) { |
TASK->udebug.dt_state = UDEBUG_TS_ACTIVE; |
TASK->udebug.begin_call = NULL; |
reply = 1; /* immediate reply */ |
} else { |
reply = 0; /* no reply */ |
} |
/* Set udebug.active on all of the task's userspace threads. */ |
for (cur = TASK->th_head.next; cur != &TASK->th_head; cur = cur->next) { |
t = list_get_instance(cur, thread_t, th_link); |
mutex_lock(&t->udebug.lock); |
if ((t->flags & THREAD_FLAG_USPACE) != 0) |
t->udebug.active = true; |
mutex_unlock(&t->udebug.lock); |
} |
mutex_unlock(&TASK->udebug.lock); |
return reply; |
} |
/** Finish debugging the current task. |
* |
* Closes the debugging session for the current task. |
* @return Zero on success or negative error code. |
*/ |
int udebug_end(void) |
{ |
int rc; |
LOG("Task %" PRIu64, TASK->taskid); |
mutex_lock(&TASK->udebug.lock); |
rc = udebug_task_cleanup(TASK); |
mutex_unlock(&TASK->udebug.lock); |
return rc; |
} |
/** Set the event mask. |
* |
* Sets the event mask that determines which events are enabled. |
* |
* @param mask Or combination of events that should be enabled. |
* @return Zero on success or negative error code. |
*/ |
int udebug_set_evmask(udebug_evmask_t mask) |
{ |
LOG("mask = 0x%x", mask); |
mutex_lock(&TASK->udebug.lock); |
if (TASK->udebug.dt_state != UDEBUG_TS_ACTIVE) { |
mutex_unlock(&TASK->udebug.lock); |
return EINVAL; |
} |
TASK->udebug.evmask = mask; |
mutex_unlock(&TASK->udebug.lock); |
return 0; |
} |
/** Give thread GO. |
* |
* Upon recieving a go message, the thread is given GO. Being GO |
* means the thread is allowed to execute userspace code (until |
* a debugging event or STOP occurs, at which point the thread loses GO. |
* |
* @param t The thread to operate on (unlocked and need not be valid). |
* @param call The GO call that we are servicing. |
*/ |
int udebug_go(thread_t *t, call_t *call) |
{ |
int rc; |
/* On success, this will lock t->udebug.lock. */ |
rc = _thread_op_begin(t, false); |
if (rc != EOK) { |
return rc; |
} |
t->udebug.go_call = call; |
t->udebug.go = true; |
t->udebug.cur_event = 0; /* none */ |
/* |
* Neither t's lock nor threads_lock may be held during wakeup. |
*/ |
waitq_wakeup(&t->udebug.go_wq, WAKEUP_FIRST); |
_thread_op_end(t); |
return 0; |
} |
/** Stop a thread (i.e. take its GO away) |
* |
* Generates a STOP event as soon as the thread becomes stoppable (i.e. |
* can be considered stopped). |
* |
* @param t The thread to operate on (unlocked and need not be valid). |
* @param call The GO call that we are servicing. |
*/ |
int udebug_stop(thread_t *t, call_t *call) |
{ |
int rc; |
LOG("udebug_stop()"); |
/* |
* On success, this will lock t->udebug.lock. Note that this makes sure |
* the thread is not stopped. |
*/ |
rc = _thread_op_begin(t, true); |
if (rc != EOK) { |
return rc; |
} |
/* Take GO away from the thread. */ |
t->udebug.go = false; |
if (t->udebug.stoppable != true) { |
/* Answer will be sent when the thread becomes stoppable. */ |
_thread_op_end(t); |
return 0; |
} |
/* |
* Answer GO call. |
*/ |
/* Make sure nobody takes this call away from us. */ |
call = t->udebug.go_call; |
t->udebug.go_call = NULL; |
IPC_SET_RETVAL(call->data, 0); |
IPC_SET_ARG1(call->data, UDEBUG_EVENT_STOP); |
THREAD->udebug.cur_event = UDEBUG_EVENT_STOP; |
_thread_op_end(t); |
mutex_lock(&TASK->udebug.lock); |
ipc_answer(&TASK->answerbox, call); |
mutex_unlock(&TASK->udebug.lock); |
return 0; |
} |
/** Read the list of userspace threads in the current task. |
* |
* The list takes the form of a sequence of thread hashes (i.e. the pointers |
* to thread structures). A buffer of size @a buf_size is allocated and |
* a pointer to it written to @a buffer. The sequence of hashes is written |
* into this buffer. |
* |
* If the sequence is longer than @a buf_size bytes, only as much hashes |
* as can fit are copied. The number of thread hashes copied is stored |
* in @a n. |
* |
* The rationale for having @a buf_size is that this function is only |
* used for servicing the THREAD_READ message, which always specifies |
* a maximum size for the userspace buffer. |
* |
* @param buffer The buffer for storing thread hashes. |
* @param buf_size Buffer size in bytes. |
* @param n The actual number of hashes copied will be stored here. |
*/ |
int udebug_thread_read(void **buffer, size_t buf_size, size_t *n) |
{ |
thread_t *t; |
link_t *cur; |
unative_t tid; |
unsigned copied_ids; |
ipl_t ipl; |
unative_t *id_buffer; |
int flags; |
size_t max_ids; |
LOG("udebug_thread_read()"); |
/* Allocate a buffer to hold thread IDs */ |
id_buffer = malloc(buf_size, 0); |
mutex_lock(&TASK->udebug.lock); |
/* Verify task state */ |
if (TASK->udebug.dt_state != UDEBUG_TS_ACTIVE) { |
mutex_unlock(&TASK->udebug.lock); |
return EINVAL; |
} |
ipl = interrupts_disable(); |
spinlock_lock(&TASK->lock); |
/* Copy down the thread IDs */ |
max_ids = buf_size / sizeof(unative_t); |
copied_ids = 0; |
/* FIXME: make sure the thread isn't past debug shutdown... */ |
for (cur = TASK->th_head.next; cur != &TASK->th_head; cur = cur->next) { |
/* Do not write past end of buffer */ |
if (copied_ids >= max_ids) break; |
t = list_get_instance(cur, thread_t, th_link); |
spinlock_lock(&t->lock); |
flags = t->flags; |
spinlock_unlock(&t->lock); |
/* Not interested in kernel threads. */ |
if ((flags & THREAD_FLAG_USPACE) != 0) { |
/* Using thread struct pointer as identification hash */ |
tid = (unative_t) t; |
id_buffer[copied_ids++] = tid; |
} |
} |
spinlock_unlock(&TASK->lock); |
interrupts_restore(ipl); |
mutex_unlock(&TASK->udebug.lock); |
*buffer = id_buffer; |
*n = copied_ids * sizeof(unative_t); |
return 0; |
} |
/** Read the arguments of a system call. |
* |
* The arguments of the system call being being executed are copied |
* to an allocated buffer and a pointer to it is written to @a buffer. |
* The size of the buffer is exactly such that it can hold the maximum number |
* of system-call arguments. |
* |
* Unless the thread is currently blocked in a SYSCALL_B or SYSCALL_E event, |
* this function will fail with an EINVAL error code. |
* |
* @param buffer The buffer for storing thread hashes. |
*/ |
int udebug_args_read(thread_t *t, void **buffer) |
{ |
int rc; |
unative_t *arg_buffer; |
/* Prepare a buffer to hold the arguments. */ |
arg_buffer = malloc(6 * sizeof(unative_t), 0); |
/* On success, this will lock t->udebug.lock. */ |
rc = _thread_op_begin(t, false); |
if (rc != EOK) { |
return rc; |
} |
/* Additionally we need to verify that we are inside a syscall. */ |
if (t->udebug.cur_event != UDEBUG_EVENT_SYSCALL_B && |
t->udebug.cur_event != UDEBUG_EVENT_SYSCALL_E) { |
_thread_op_end(t); |
return EINVAL; |
} |
/* Copy to a local buffer before releasing the lock. */ |
memcpy(arg_buffer, t->udebug.syscall_args, 6 * sizeof(unative_t)); |
_thread_op_end(t); |
*buffer = arg_buffer; |
return 0; |
} |
/** Read the memory of the debugged task. |
* |
* Reads @a n bytes from the address space of the debugged task, starting |
* from @a uspace_addr. The bytes are copied into an allocated buffer |
* and a pointer to it is written into @a buffer. |
* |
* @param uspace_addr Address from where to start reading. |
* @param n Number of bytes to read. |
* @param buffer For storing a pointer to the allocated buffer. |
*/ |
int udebug_mem_read(unative_t uspace_addr, size_t n, void **buffer) |
{ |
void *data_buffer; |
int rc; |
/* Verify task state */ |
mutex_lock(&TASK->udebug.lock); |
if (TASK->udebug.dt_state != UDEBUG_TS_ACTIVE) { |
mutex_unlock(&TASK->udebug.lock); |
return EBUSY; |
} |
data_buffer = malloc(n, 0); |
/* NOTE: this is not strictly from a syscall... but that shouldn't |
* be a problem */ |
rc = copy_from_uspace(data_buffer, (void *)uspace_addr, n); |
mutex_unlock(&TASK->udebug.lock); |
if (rc != 0) return rc; |
*buffer = data_buffer; |
return 0; |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/udebug/udebug_ipc.c |
---|
0,0 → 1,343 |
/* |
* Copyright (c) 2008 Jiri Svoboda |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** |
* @file |
* @brief Udebug IPC message handling. |
* |
* This module handles udebug IPC messages and calls the appropriate |
* functions from the udebug_ops module which implement them. |
*/ |
#include <proc/task.h> |
#include <proc/thread.h> |
#include <arch.h> |
#include <errno.h> |
#include <ipc/ipc.h> |
#include <syscall/copy.h> |
#include <udebug/udebug.h> |
#include <udebug/udebug_ops.h> |
#include <udebug/udebug_ipc.h> |
int udebug_request_preprocess(call_t *call, phone_t *phone) |
{ |
switch (IPC_GET_ARG1(call->data)) { |
/* future UDEBUG_M_REGS_WRITE, UDEBUG_M_MEM_WRITE: */ |
default: |
break; |
} |
return 0; |
} |
/** Process a BEGIN call. |
* |
* Initiates a debugging session for the current task. The reply |
* to this call may or may not be sent before this function returns. |
* |
* @param call The call structure. |
*/ |
static void udebug_receive_begin(call_t *call) |
{ |
int rc; |
rc = udebug_begin(call); |
if (rc < 0) { |
IPC_SET_RETVAL(call->data, rc); |
ipc_answer(&TASK->kb.box, call); |
return; |
} |
/* |
* If the initialization of the debugging session has finished, |
* send a reply. |
*/ |
if (rc != 0) { |
IPC_SET_RETVAL(call->data, 0); |
ipc_answer(&TASK->kb.box, call); |
} |
} |
/** Process an END call. |
* |
* Terminates the debugging session for the current task. |
* @param call The call structure. |
*/ |
static void udebug_receive_end(call_t *call) |
{ |
int rc; |
rc = udebug_end(); |
IPC_SET_RETVAL(call->data, rc); |
ipc_answer(&TASK->kb.box, call); |
} |
/** Process a SET_EVMASK call. |
* |
* Sets an event mask for the current debugging session. |
* @param call The call structure. |
*/ |
static void udebug_receive_set_evmask(call_t *call) |
{ |
int rc; |
udebug_evmask_t mask; |
mask = IPC_GET_ARG2(call->data); |
rc = udebug_set_evmask(mask); |
IPC_SET_RETVAL(call->data, rc); |
ipc_answer(&TASK->kb.box, call); |
} |
/** Process a GO call. |
* |
* Resumes execution of the specified thread. |
* @param call The call structure. |
*/ |
static void udebug_receive_go(call_t *call) |
{ |
thread_t *t; |
int rc; |
t = (thread_t *)IPC_GET_ARG2(call->data); |
rc = udebug_go(t, call); |
if (rc < 0) { |
IPC_SET_RETVAL(call->data, rc); |
ipc_answer(&TASK->kb.box, call); |
return; |
} |
} |
/** Process a STOP call. |
* |
* Suspends execution of the specified thread. |
* @param call The call structure. |
*/ |
static void udebug_receive_stop(call_t *call) |
{ |
thread_t *t; |
int rc; |
t = (thread_t *)IPC_GET_ARG2(call->data); |
rc = udebug_stop(t, call); |
IPC_SET_RETVAL(call->data, rc); |
ipc_answer(&TASK->kb.box, call); |
} |
/** Process a THREAD_READ call. |
* |
* Reads the list of hashes of the (userspace) threads in the current task. |
* @param call The call structure. |
*/ |
static void udebug_receive_thread_read(call_t *call) |
{ |
unative_t uspace_addr; |
unative_t to_copy; |
unsigned total_bytes; |
unsigned buf_size; |
void *buffer; |
size_t n; |
int rc; |
uspace_addr = IPC_GET_ARG2(call->data); /* Destination address */ |
buf_size = IPC_GET_ARG3(call->data); /* Dest. buffer size */ |
/* |
* Read thread list. Variable n will be filled with actual number |
* of threads times thread-id size. |
*/ |
rc = udebug_thread_read(&buffer, buf_size, &n); |
if (rc < 0) { |
IPC_SET_RETVAL(call->data, rc); |
ipc_answer(&TASK->kb.box, call); |
return; |
} |
total_bytes = n; |
/* Copy MAX(buf_size, total_bytes) bytes */ |
if (buf_size > total_bytes) |
to_copy = total_bytes; |
else |
to_copy = buf_size; |
/* |
* Make use of call->buffer to transfer data to caller's userspace |
*/ |
IPC_SET_RETVAL(call->data, 0); |
/* ARG1=dest, ARG2=size as in IPC_M_DATA_READ so that |
same code in process_answer() can be used |
(no way to distinguish method in answer) */ |
IPC_SET_ARG1(call->data, uspace_addr); |
IPC_SET_ARG2(call->data, to_copy); |
IPC_SET_ARG3(call->data, total_bytes); |
call->buffer = buffer; |
ipc_answer(&TASK->kb.box, call); |
} |
/** Process an ARGS_READ call. |
* |
* Reads the argument of a current syscall event (SYSCALL_B or SYSCALL_E). |
* @param call The call structure. |
*/ |
static void udebug_receive_args_read(call_t *call) |
{ |
thread_t *t; |
unative_t uspace_addr; |
int rc; |
void *buffer; |
t = (thread_t *)IPC_GET_ARG2(call->data); |
rc = udebug_args_read(t, &buffer); |
if (rc != EOK) { |
IPC_SET_RETVAL(call->data, rc); |
ipc_answer(&TASK->kb.box, call); |
return; |
} |
/* |
* Make use of call->buffer to transfer data to caller's userspace |
*/ |
uspace_addr = IPC_GET_ARG3(call->data); |
IPC_SET_RETVAL(call->data, 0); |
/* ARG1=dest, ARG2=size as in IPC_M_DATA_READ so that |
same code in process_answer() can be used |
(no way to distinguish method in answer) */ |
IPC_SET_ARG1(call->data, uspace_addr); |
IPC_SET_ARG2(call->data, 6 * sizeof(unative_t)); |
call->buffer = buffer; |
ipc_answer(&TASK->kb.box, call); |
} |
/** Process an MEM_READ call. |
* |
* Reads memory of the current (debugged) task. |
* @param call The call structure. |
*/ |
static void udebug_receive_mem_read(call_t *call) |
{ |
unative_t uspace_dst; |
unative_t uspace_src; |
unsigned size; |
void *buffer; |
int rc; |
uspace_dst = IPC_GET_ARG2(call->data); |
uspace_src = IPC_GET_ARG3(call->data); |
size = IPC_GET_ARG4(call->data); |
rc = udebug_mem_read(uspace_src, size, &buffer); |
if (rc < 0) { |
IPC_SET_RETVAL(call->data, rc); |
ipc_answer(&TASK->kb.box, call); |
return; |
} |
IPC_SET_RETVAL(call->data, 0); |
/* ARG1=dest, ARG2=size as in IPC_M_DATA_READ so that |
same code in process_answer() can be used |
(no way to distinguish method in answer) */ |
IPC_SET_ARG1(call->data, uspace_dst); |
IPC_SET_ARG2(call->data, size); |
call->buffer = buffer; |
ipc_answer(&TASK->kb.box, call); |
} |
/** Handle a debug call received on the kernel answerbox. |
* |
* This is called by the kbox servicing thread. Verifies that the sender |
* is indeed the debugger and calls the appropriate processing function. |
*/ |
void udebug_call_receive(call_t *call) |
{ |
int debug_method; |
debug_method = IPC_GET_ARG1(call->data); |
if (debug_method != UDEBUG_M_BEGIN) { |
/* |
* Verify that the sender is this task's debugger. |
* Note that this is the only thread that could change |
* TASK->debugger. Therefore no locking is necessary |
* and the sender can be safely considered valid until |
* control exits this function. |
*/ |
if (TASK->udebug.debugger != call->sender) { |
IPC_SET_RETVAL(call->data, EINVAL); |
ipc_answer(&TASK->kb.box, call); |
return; |
} |
} |
switch (debug_method) { |
case UDEBUG_M_BEGIN: |
udebug_receive_begin(call); |
break; |
case UDEBUG_M_END: |
udebug_receive_end(call); |
break; |
case UDEBUG_M_SET_EVMASK: |
udebug_receive_set_evmask(call); |
break; |
case UDEBUG_M_GO: |
udebug_receive_go(call); |
break; |
case UDEBUG_M_STOP: |
udebug_receive_stop(call); |
break; |
case UDEBUG_M_THREAD_READ: |
udebug_receive_thread_read(call); |
break; |
case UDEBUG_M_ARGS_READ: |
udebug_receive_args_read(call); |
break; |
case UDEBUG_M_MEM_READ: |
udebug_receive_mem_read(call); |
break; |
} |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/interrupt/interrupt.c |
---|
0,0 → 1,188 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genericinterrupt |
* @{ |
*/ |
/** |
* @file |
* @brief Interrupt redirector. |
* |
* This file provides means of registering interrupt handlers |
* by kernel functions and calling the handlers when interrupts |
* occur. |
*/ |
#include <interrupt.h> |
#include <debug.h> |
#include <console/kconsole.h> |
#include <console/console.h> |
#include <console/cmd.h> |
#include <panic.h> |
#include <print.h> |
#include <symtab.h> |
static struct { |
const char *name; |
iroutine f; |
} exc_table[IVT_ITEMS]; |
SPINLOCK_INITIALIZE(exctbl_lock); |
/** Register exception handler |
* |
* @param n Exception number |
* @param name Description |
* @param f Exception handler |
*/ |
iroutine exc_register(int n, const char *name, iroutine f) |
{ |
ASSERT(n < IVT_ITEMS); |
iroutine old; |
spinlock_lock(&exctbl_lock); |
old = exc_table[n].f; |
exc_table[n].f = f; |
exc_table[n].name = name; |
spinlock_unlock(&exctbl_lock); |
return old; |
} |
/** Dispatch exception according to exception table |
* |
* Called directly from the assembler code. |
* CPU is interrupts_disable()'d. |
*/ |
void exc_dispatch(int n, istate_t *istate) |
{ |
ASSERT(n < IVT_ITEMS); |
#ifdef CONFIG_UDEBUG |
if (THREAD) THREAD->udebug.uspace_state = istate; |
#endif |
exc_table[n].f(n + IVT_FIRST, istate); |
#ifdef CONFIG_UDEBUG |
if (THREAD) THREAD->udebug.uspace_state = NULL; |
#endif |
/* This is a safe place to exit exiting thread */ |
if (THREAD && THREAD->interrupted && istate_from_uspace(istate)) |
thread_exit(); |
} |
/** Default 'null' exception handler */ |
static void exc_undef(int n, istate_t *istate) |
{ |
fault_if_from_uspace(istate, "Unhandled exception %d.", n); |
panic("Unhandled exception %d.", n); |
} |
#ifdef CONFIG_KCONSOLE |
/** kconsole cmd - print all exceptions */ |
static int cmd_exc_print(cmd_arg_t *argv) |
{ |
#if (IVT_ITEMS > 0) |
unsigned int i; |
char *symbol; |
spinlock_lock(&exctbl_lock); |
#ifdef __32_BITS__ |
printf("Exc Description Handler Symbol\n"); |
printf("--- -------------------- ---------- --------\n"); |
#endif |
#ifdef __64_BITS__ |
printf("Exc Description Handler Symbol\n"); |
printf("--- -------------------- ------------------ --------\n"); |
#endif |
for (i = 0; i < IVT_ITEMS; i++) { |
symbol = symtab_fmt_name_lookup((unative_t) exc_table[i].f); |
#ifdef __32_BITS__ |
printf("%-3u %-20s %10p %s\n", i + IVT_FIRST, exc_table[i].name, |
exc_table[i].f, symbol); |
#endif |
#ifdef __64_BITS__ |
printf("%-3u %-20s %18p %s\n", i + IVT_FIRST, exc_table[i].name, |
exc_table[i].f, symbol); |
#endif |
if (((i + 1) % 20) == 0) { |
printf(" -- Press any key to continue -- "); |
spinlock_unlock(&exctbl_lock); |
indev_pop_character(stdin); |
spinlock_lock(&exctbl_lock); |
printf("\n"); |
} |
} |
spinlock_unlock(&exctbl_lock); |
#endif |
return 1; |
} |
static cmd_info_t exc_info = { |
.name = "exc", |
.description = "Print exception table.", |
.func = cmd_exc_print, |
.help = NULL, |
.argc = 0, |
.argv = NULL |
}; |
#endif |
/** Initialize generic exception handling support */ |
void exc_init(void) |
{ |
int i; |
for (i = 0; i < IVT_ITEMS; i++) |
exc_register(i, "undef", (iroutine) exc_undef); |
#ifdef CONFIG_KCONSOLE |
cmd_initialize(&exc_info); |
if (!cmd_register(&exc_info)) |
printf("Cannot register command %s\n", exc_info.name); |
#endif |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/cpu/cpu.c |
---|
0,0 → 1,113 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** |
* @file |
* @brief CPU subsystem initialization and listing. |
*/ |
#include <cpu.h> |
#include <arch.h> |
#include <arch/cpu.h> |
#include <mm/slab.h> |
#include <mm/page.h> |
#include <mm/frame.h> |
#include <arch/types.h> |
#include <config.h> |
#include <panic.h> |
#include <memstr.h> |
#include <adt/list.h> |
#include <print.h> |
cpu_t *cpus; |
/** Initialize CPUs |
* |
* Initialize kernel CPUs support. |
* |
*/ |
void cpu_init(void) { |
unsigned int i, j; |
#ifdef CONFIG_SMP |
if (config.cpu_active == 1) { |
#endif /* CONFIG_SMP */ |
cpus = (cpu_t *) malloc(sizeof(cpu_t) * config.cpu_count, |
FRAME_ATOMIC); |
if (!cpus) |
panic("Cannot allocate CPU structures."); |
/* initialize everything */ |
memsetb(cpus, sizeof(cpu_t) * config.cpu_count, 0); |
for (i = 0; i < config.cpu_count; i++) { |
cpus[i].stack = (uint8_t *) frame_alloc(STACK_FRAMES, FRAME_KA | FRAME_ATOMIC); |
cpus[i].id = i; |
spinlock_initialize(&cpus[i].lock, "cpu_t.lock"); |
for (j = 0; j < RQ_COUNT; j++) { |
spinlock_initialize(&cpus[i].rq[j].lock, "rq_t.lock"); |
list_initialize(&cpus[i].rq[j].rq_head); |
} |
} |
#ifdef CONFIG_SMP |
} |
#endif /* CONFIG_SMP */ |
CPU = &cpus[config.cpu_active - 1]; |
CPU->active = 1; |
CPU->tlb_active = 1; |
cpu_identify(); |
cpu_arch_init(); |
} |
/** List all processors. */ |
void cpu_list(void) |
{ |
unsigned int i; |
for (i = 0; i < config.cpu_count; i++) { |
if (cpus[i].active) |
cpu_print_report(&cpus[i]); |
else |
printf("cpu%u: not active\n", i); |
} |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/sysinfo/sysinfo.c |
---|
0,0 → 1,322 |
/* |
* Copyright (c) 2006 Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** @file |
*/ |
#include <sysinfo/sysinfo.h> |
#include <mm/slab.h> |
#include <print.h> |
#include <syscall/copy.h> |
sysinfo_item_t *_root = NULL; |
static sysinfo_item_t *sysinfo_find_item(const char *name, sysinfo_item_t *subtree) |
{ |
if (subtree == NULL) |
return NULL; |
while (subtree != NULL) { |
int i = 0; |
char *a = (char *) name; |
char *b = subtree->name; |
while ((a[i] == b[i]) && (b[i])) |
i++; |
if ((!a[i]) && (!b[i])) /* Last name in path matches */ |
return subtree; |
if ((a[i] == '.') && (!b[i])) { /* Middle name in path matches */ |
if (subtree->subinfo_type == SYSINFO_SUBINFO_TABLE) |
return sysinfo_find_item(a + i + 1, subtree->subinfo.table); |
//if (subtree->subinfo_type == SYSINFO_SUBINFO_FUNCTION) /* Subinfo managed by subsystem */ |
// return NULL; |
return NULL; /* No subinfo */ |
} |
/* No matches try next */ |
subtree = subtree->next; |
i = 0; |
} |
return NULL; |
} |
static sysinfo_item_t *sysinfo_create_path(const char *name, sysinfo_item_t **psubtree) |
{ |
sysinfo_item_t *subtree; |
subtree = *psubtree; |
if (subtree == NULL) { |
sysinfo_item_t *item = malloc(sizeof(sysinfo_item_t), 0); |
int i = 0, j; |
ASSERT(item); |
*psubtree = item; |
item->next = NULL; |
item->val_type = SYSINFO_VAL_UNDEFINED; |
item->subinfo.table = NULL; |
while (name[i] && (name[i] != '.')) |
i++; |
item->name = malloc(i, 0); |
ASSERT(item->name); |
for (j = 0; j < i; j++) |
item->name[j] = name[j]; |
item->name[j] = 0; |
if (name[i]) { /* =='.' */ |
item->subinfo_type = SYSINFO_SUBINFO_TABLE; |
return sysinfo_create_path(name + i + 1, &(item->subinfo.table)); |
} |
item->subinfo_type = SYSINFO_SUBINFO_NONE; |
return item; |
} |
while (subtree != NULL) { |
int i = 0, j; |
char *a = (char *) name; |
char *b = subtree->name; |
while ((a[i] == b[i]) && (b[i])) |
i++; |
if ((!a[i]) && (!b[i])) /* Last name in path matches */ |
return subtree; |
if ((a[i] == '.') && (!b[i])) { /* Middle name in path matches */ |
if (subtree->subinfo_type == SYSINFO_SUBINFO_TABLE) |
return sysinfo_create_path(a + i + 1, &(subtree->subinfo.table)); |
if (subtree->subinfo_type == SYSINFO_SUBINFO_NONE) { |
subtree->subinfo_type = SYSINFO_SUBINFO_TABLE; |
return sysinfo_create_path(a + i + 1,&(subtree->subinfo.table)); |
} |
//if (subtree->subinfo_type == SYSINFO_SUBINFO_FUNCTION) /* Subinfo managed by subsystem */ |
// return NULL; |
return NULL; |
} |
/* No matches try next or create new*/ |
if (subtree->next == NULL) { |
sysinfo_item_t *item = malloc(sizeof(sysinfo_item_t), 0); |
ASSERT(item); |
subtree->next = item; |
item->next = NULL; |
item->val_type = SYSINFO_VAL_UNDEFINED; |
item->subinfo.table = NULL; |
i = 0; |
while (name[i] && (name[i] != '.')) |
i++; |
item->name = malloc(i, 0); |
ASSERT(item->name); |
for (j = 0; j < i; j++) |
item->name[j] = name[j]; |
item->name[j] = 0; |
if(name[i]) { /* =='.' */ |
item->subinfo_type = SYSINFO_SUBINFO_TABLE; |
return sysinfo_create_path(name + i + 1, &(item->subinfo.table)); |
} |
item->subinfo_type = SYSINFO_SUBINFO_NONE; |
return item; |
} else { |
subtree = subtree->next; |
i = 0; |
} |
} |
panic("Not reached."); |
return NULL; |
} |
void sysinfo_set_item_val(const char *name, sysinfo_item_t **root, unative_t val) |
{ |
if (root == NULL) |
root = &_root; |
/* If already created create only returns pointer |
If not, create it */ |
sysinfo_item_t *item = sysinfo_create_path(name, root); |
if (item != NULL) { /* If in subsystem, unable to create or return so unable to set */ |
item->val.val = val; |
item->val_type = SYSINFO_VAL_VAL; |
} |
} |
void sysinfo_set_item_function(const char *name, sysinfo_item_t **root, sysinfo_val_fn_t fn) |
{ |
if (root == NULL) |
root = &_root; |
/* If already created create only returns pointer |
If not, create it */ |
sysinfo_item_t *item = sysinfo_create_path(name, root); |
if (item != NULL) { /* If in subsystem, unable to create or return so unable to set */ |
item->val.fn = fn; |
item->val_type = SYSINFO_VAL_FUNCTION; |
} |
} |
void sysinfo_set_item_undefined(const char *name, sysinfo_item_t **root) |
{ |
if (root == NULL) |
root = &_root; |
/* If already created create only returns pointer |
If not, create it */ |
sysinfo_item_t *item = sysinfo_create_path(name, root); |
if (item != NULL) |
item->val_type = SYSINFO_VAL_UNDEFINED; |
} |
void sysinfo_dump(sysinfo_item_t **proot, int depth) |
{ |
sysinfo_item_t *root; |
if (proot == NULL) |
proot = &_root; |
root = *proot; |
while (root != NULL) { |
int i; |
unative_t val = 0; |
char *vtype = NULL; |
for (i = 0; i < depth; i++) |
printf(" "); |
switch (root->val_type) { |
case SYSINFO_VAL_UNDEFINED: |
val = 0; |
vtype = "UND"; |
break; |
case SYSINFO_VAL_VAL: |
val = root->val.val; |
vtype = "VAL"; |
break; |
case SYSINFO_VAL_FUNCTION: |
val = ((sysinfo_val_fn_t) (root->val.fn)) (root); |
vtype = "FUN"; |
break; |
} |
printf("%s %s val:%" PRIun "(%" PRIxn ") sub:%s\n", root->name, vtype, val, |
val, (root->subinfo_type == SYSINFO_SUBINFO_NONE) ? |
"NON" : ((root->subinfo_type == SYSINFO_SUBINFO_TABLE) ? |
"TAB" : "FUN")); |
if (root->subinfo_type == SYSINFO_SUBINFO_TABLE) |
sysinfo_dump(&(root -> subinfo.table), depth + 1); |
root = root->next; |
} |
} |
sysinfo_rettype_t sysinfo_get_val(const char *name, sysinfo_item_t **root) |
{ |
// TODO: Implement Subsystem subinfo (by function implemented subinfo) |
sysinfo_rettype_t ret = {0, false}; |
if (root == NULL) |
root = &_root; |
sysinfo_item_t *item = sysinfo_find_item(name, *root); |
if (item != NULL) { |
if (item->val_type == SYSINFO_VAL_UNDEFINED) |
return ret; |
else |
ret.valid = true; |
if (item->val_type == SYSINFO_VAL_VAL) |
ret.val = item->val.val; |
else |
ret.val = ((sysinfo_val_fn_t) (item->val.fn)) (item); |
} |
return ret; |
} |
#define SYSINFO_MAX_LEN 1024 |
unative_t sys_sysinfo_valid(unative_t ptr, unative_t len) |
{ |
char *str; |
sysinfo_rettype_t ret = {0, 0}; |
if (len > SYSINFO_MAX_LEN) |
return ret.valid; |
str = malloc(len + 1, 0); |
ASSERT(str); |
if (!((copy_from_uspace(str, (void *) ptr, len + 1)) || (str[len]))) |
ret = sysinfo_get_val(str, NULL); |
free(str); |
return ret.valid; |
} |
unative_t sys_sysinfo_value(unative_t ptr, unative_t len) |
{ |
char *str; |
sysinfo_rettype_t ret = {0, 0}; |
if (len > SYSINFO_MAX_LEN) |
return ret.val; |
str = malloc(len + 1, 0); |
ASSERT(str); |
if (!((copy_from_uspace(str, (void *) ptr, len + 1)) || (str[len]))) |
ret = sysinfo_get_val(str, NULL); |
free(str); |
return ret.val; |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/security/cap.c |
---|
0,0 → 1,181 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** |
* @file cap.c |
* @brief Capabilities control. |
* |
* @see cap.h |
*/ |
#include <security/cap.h> |
#include <proc/task.h> |
#include <synch/spinlock.h> |
#include <syscall/sysarg64.h> |
#include <syscall/copy.h> |
#include <arch.h> |
#include <errno.h> |
/** Set capabilities. |
* |
* @param t Task whose capabilities are to be changed. |
* @param caps New set of capabilities. |
*/ |
void cap_set(task_t *t, cap_t caps) |
{ |
ipl_t ipl; |
ipl = interrupts_disable(); |
spinlock_lock(&t->lock); |
t->capabilities = caps; |
spinlock_unlock(&t->lock); |
interrupts_restore(ipl); |
} |
/** Get capabilities. |
* |
* @param t Task whose capabilities are to be returned. |
* @return Task's capabilities. |
*/ |
cap_t cap_get(task_t *t) |
{ |
ipl_t ipl; |
cap_t caps; |
ipl = interrupts_disable(); |
spinlock_lock(&t->lock); |
caps = t->capabilities; |
spinlock_unlock(&t->lock); |
interrupts_restore(ipl); |
return caps; |
} |
/** Grant capabilities to a task. |
* |
* The calling task must have the CAP_CAP capability. |
* |
* @param uspace_taskid_arg Userspace structure holding destination task ID. |
* @param caps Capabilities to grant. |
* |
* @return Zero on success or an error code from @ref errno.h. |
*/ |
unative_t sys_cap_grant(sysarg64_t *uspace_taskid_arg, cap_t caps) |
{ |
sysarg64_t taskid_arg; |
task_t *t; |
ipl_t ipl; |
int rc; |
if (!(cap_get(TASK) & CAP_CAP)) |
return (unative_t) EPERM; |
rc = copy_from_uspace(&taskid_arg, uspace_taskid_arg, sizeof(sysarg64_t)); |
if (rc != 0) |
return (unative_t) rc; |
ipl = interrupts_disable(); |
spinlock_lock(&tasks_lock); |
t = task_find_by_id((task_id_t) taskid_arg.value); |
if ((!t) || (!context_check(CONTEXT, t->context))) { |
spinlock_unlock(&tasks_lock); |
interrupts_restore(ipl); |
return (unative_t) ENOENT; |
} |
spinlock_lock(&t->lock); |
cap_set(t, cap_get(t) | caps); |
spinlock_unlock(&t->lock); |
spinlock_unlock(&tasks_lock); |
interrupts_restore(ipl); |
return 0; |
} |
/** Revoke capabilities from a task. |
* |
* The calling task must have the CAP_CAP capability or the caller must |
* attempt to revoke capabilities from itself. |
* |
* @param uspace_taskid_arg Userspace structure holding destination task ID. |
* @param caps Capabilities to revoke. |
* |
* @return Zero on success or an error code from @ref errno.h. |
*/ |
unative_t sys_cap_revoke(sysarg64_t *uspace_taskid_arg, cap_t caps) |
{ |
sysarg64_t taskid_arg; |
task_t *t; |
ipl_t ipl; |
int rc; |
rc = copy_from_uspace(&taskid_arg, uspace_taskid_arg, sizeof(sysarg64_t)); |
if (rc != 0) |
return (unative_t) rc; |
ipl = interrupts_disable(); |
spinlock_lock(&tasks_lock); |
t = task_find_by_id((task_id_t) taskid_arg.value); |
if ((!t) || (!context_check(CONTEXT, t->context))) { |
spinlock_unlock(&tasks_lock); |
interrupts_restore(ipl); |
return (unative_t) ENOENT; |
} |
/* |
* Revoking capabilities is different from granting them in that |
* a task can revoke capabilities from itself even if it |
* doesn't have CAP_CAP. |
*/ |
if (!(cap_get(TASK) & CAP_CAP) || !(t == TASK)) { |
spinlock_unlock(&tasks_lock); |
interrupts_restore(ipl); |
return (unative_t) EPERM; |
} |
spinlock_lock(&t->lock); |
cap_set(t, cap_get(t) & ~caps); |
spinlock_unlock(&t->lock); |
spinlock_unlock(&tasks_lock); |
interrupts_restore(ipl); |
return 0; |
} |
/** @} |
*/ |
/branches/arm/kernel/generic/src/smp/smp.c |
---|
0,0 → 1,46 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** |
* @file |
*/ |
#include <smp/smp.h> |
#ifdef CONFIG_SMP |
waitq_t ap_completion_wq; |
#endif /* CONFIG_SMP */ |
/** @} |
*/ |
/branches/arm/kernel/generic/src/smp/ipi.c |
---|
0,0 → 1,70 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** |
* @file |
* @brief Generic IPI interface. |
*/ |
#ifdef CONFIG_SMP |
#include <smp/ipi.h> |
#include <config.h> |
/** Broadcast IPI message |
* |
* Broadcast IPI message to all CPUs. |
* |
* @param ipi Message to broadcast. |
* |
* @bug The decision whether to actually send the IPI must be based |
* on a different criterion. The current version has |
* problems when some of the detected CPUs are marked |
* disabled in machine configuration. |
*/ |
void ipi_broadcast(int ipi) |
{ |
/* |
* Provisions must be made to avoid sending IPI: |
* - before all CPU's were configured to accept the IPI |
* - if there is only one CPU but the kernel was compiled with CONFIG_SMP |
*/ |
if ((config.cpu_active > 1) && (config.cpu_active == config.cpu_count)) |
ipi_broadcast_arch(ipi); |
} |
#endif /* CONFIG_SMP */ |
/** @} |
*/ |
/branches/arm/kernel/generic/src/preempt/preemption.c |
---|
0,0 → 1,60 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup generic |
* @{ |
*/ |
/** |
* @file preemption.c |
* @brief Preemption control. |
*/ |
#include <preemption.h> |
#include <arch.h> |
#include <arch/asm.h> |
#include <arch/barrier.h> |
#include <debug.h> |
/** Increment preemption disabled counter. */ |
void preemption_disable(void) |
{ |
THE->preemption_disabled++; |
memory_barrier(); |
} |
/** Decrement preemption disabled counter. */ |
void preemption_enable(void) |
{ |
ASSERT(THE->preemption_disabled); |
memory_barrier(); |
THE->preemption_disabled--; |
} |
/** @} |
*/ |
/branches/arm/kernel/genarch/include/drivers/via-cuda/cuda.h |
---|
0,0 → 1,123 |
/* |
* Copyright (c) 2006 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_CUDA_H_ |
#define KERN_CUDA_H_ |
#include <ddi/irq.h> |
#include <arch/types.h> |
#include <console/chardev.h> |
#include <synch/spinlock.h> |
typedef struct { |
uint8_t b; |
uint8_t pad0[0x1ff]; |
uint8_t a; |
uint8_t pad1[0x1ff]; |
uint8_t dirb; |
uint8_t pad2[0x1ff]; |
uint8_t dira; |
uint8_t pad3[0x1ff]; |
uint8_t t1cl; |
uint8_t pad4[0x1ff]; |
uint8_t t1ch; |
uint8_t pad5[0x1ff]; |
uint8_t t1ll; |
uint8_t pad6[0x1ff]; |
uint8_t t1lh; |
uint8_t pad7[0x1ff]; |
uint8_t t2cl; |
uint8_t pad8[0x1ff]; |
uint8_t t2ch; |
uint8_t pad9[0x1ff]; |
uint8_t sr; |
uint8_t pad10[0x1ff]; |
uint8_t acr; |
uint8_t pad11[0x1ff]; |
uint8_t pcr; |
uint8_t pad12[0x1ff]; |
uint8_t ifr; |
uint8_t pad13[0x1ff]; |
uint8_t ier; |
uint8_t pad14[0x1ff]; |
uint8_t anh; |
uint8_t pad15[0x1ff]; |
} cuda_t; |
enum { |
CUDA_RCV_BUF_SIZE = 5 |
}; |
enum cuda_xfer_state { |
cx_listen, |
cx_receive, |
cx_rcv_end, |
cx_send_start, |
cx_send |
}; |
typedef struct { |
irq_t irq; |
cuda_t *cuda; |
indev_t *kbrdin; |
uint8_t rcv_buf[CUDA_RCV_BUF_SIZE]; |
uint8_t snd_buf[CUDA_RCV_BUF_SIZE]; |
size_t bidx; |
size_t snd_bytes; |
enum cuda_xfer_state xstate; |
SPINLOCK_DECLARE(dev_lock); |
} cuda_instance_t; |
extern cuda_instance_t *cuda_init(cuda_t *, inr_t, cir_t, void *); |
extern void cuda_wire(cuda_instance_t *, indev_t *); |
#endif |
/** @} |
*/ |
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/genarch/include/drivers/ns16550/ns16550.h |
---|
0,0 → 1,76 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** |
* @file |
* @brief Headers for NS 16550 serial controller. |
*/ |
#ifndef KERN_NS16550_H_ |
#define KERN_NS16550_H_ |
#include <ddi/irq.h> |
#include <arch/types.h> |
#include <console/chardev.h> |
#define IER_ERBFI 0x01 /** Enable Receive Buffer Full Interrupt. */ |
#define LCR_DLAB 0x80 /** Divisor Latch Access bit. */ |
#define MCR_OUT2 0x08 /** OUT2. */ |
/** NS16550 registers. */ |
typedef struct { |
ioport8_t rbr; /**< Receiver Buffer Register. */ |
ioport8_t ier; /**< Interrupt Enable Register. */ |
union { |
ioport8_t iir; /**< Interrupt Ident Register (read). */ |
ioport8_t fcr; /**< FIFO control register (write). */ |
} __attribute__ ((packed)); |
ioport8_t lcr; /**< Line Control register. */ |
ioport8_t mcr; /**< Modem Control Register. */ |
ioport8_t lsr; /**< Line Status Register. */ |
} __attribute__ ((packed)) ns16550_t; |
/** Structure representing the ns16550 device. */ |
typedef struct { |
irq_t irq; |
ns16550_t *ns16550; |
indev_t *kbrdin; |
} ns16550_instance_t; |
extern ns16550_instance_t *ns16550_init(ns16550_t *, inr_t, cir_t, void *); |
extern void ns16550_wire(ns16550_instance_t *, indev_t *); |
#endif |
/** @} |
*/ |
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/genarch/include/drivers/dsrln/dsrlnin.h |
---|
0,0 → 1,61 |
/* |
* Copyright (c) 2009 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** |
* @file |
* @brief Dummy serial line input. |
*/ |
#ifndef KERN_DSRLNIN_H_ |
#define KERN_DSRLNIN_H_ |
#include <ddi/irq.h> |
#include <arch/types.h> |
#include <console/chardev.h> |
#include <typedefs.h> |
typedef struct { |
ioport8_t data; |
} __attribute__ ((packed)) dsrlnin_t; |
typedef struct { |
irq_t irq; |
dsrlnin_t *dsrlnin; |
indev_t *srlnin; |
} dsrlnin_instance_t; |
extern dsrlnin_instance_t *dsrlnin_init(dsrlnin_t *, inr_t); |
extern void dsrlnin_wire(dsrlnin_instance_t *, indev_t *); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/genarch/include/drivers/dsrln/dsrlnout.h |
---|
0,0 → 1,48 |
/* |
* Copyright (c) 2009 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** |
* @file |
* @brief Dummy serial line output. |
*/ |
#ifndef KERN_DSRLNOUT_H_ |
#define KERN_DSRLNOUT_H_ |
#include <arch/types.h> |
#include <typedefs.h> |
extern void dsrlnout_init(ioport8_t *); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/genarch/include/drivers/i8042/i8042.h |
---|
0,0 → 1,62 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_I8042_H_ |
#define KERN_I8042_H_ |
#include <ddi/irq.h> |
#include <arch/types.h> |
#include <console/chardev.h> |
#include <typedefs.h> |
typedef struct { |
ioport8_t data; |
uint8_t pad[3]; |
ioport8_t status; |
} __attribute__ ((packed)) i8042_t; |
typedef struct { |
irq_t irq; |
i8042_t *i8042; |
indev_t *kbrdin; |
} i8042_instance_t; |
extern i8042_instance_t *i8042_init(i8042_t *, inr_t); |
extern void i8042_wire(i8042_instance_t *, indev_t *); |
extern void i8042_cpu_reset(i8042_t *); |
#endif |
/** @} |
*/ |
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/genarch/include/drivers/z8530/z8530.h |
---|
0,0 → 1,128 |
/* |
* Copyright (c) 2009 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** |
* @file |
* @brief Headers for Zilog 8530 serial controller. |
*/ |
#ifndef KERN_Z8530_H_ |
#define KERN_Z8530_H_ |
#include <ddi/irq.h> |
#include <arch/types.h> |
#include <console/chardev.h> |
#define WR0 0 |
#define WR1 1 |
#define WR2 2 |
#define WR3 3 |
#define WR4 4 |
#define WR5 5 |
#define WR6 6 |
#define WR7 7 |
#define WR8 8 |
#define WR9 9 |
#define WR10 10 |
#define WR11 11 |
#define WR12 12 |
#define WR13 13 |
#define WR14 14 |
#define WR15 15 |
#define RR0 0 |
#define RR1 1 |
#define RR2 2 |
#define RR3 3 |
#define RR8 8 |
#define RR10 10 |
#define RR12 12 |
#define RR13 13 |
#define RR14 14 |
#define RR15 15 |
/** Reset pending TX interrupt. */ |
#define WR0_TX_IP_RST (0x5 << 3) |
#define WR0_ERR_RST (0x6 << 3) |
/** Receive Interrupts Disabled. */ |
#define WR1_RID (0x0 << 3) |
/** Receive Interrupt on First Character or Special Condition. */ |
#define WR1_RIFCSC (0x1 << 3) |
/** Interrupt on All Receive Characters or Special Conditions. */ |
#define WR1_IARCSC (0x2 << 3) |
/** Receive Interrupt on Special Condition. */ |
#define WR1_RISC (0x3 << 3) |
/** Parity Is Special Condition. */ |
#define WR1_PISC (0x1 << 2) |
/** Rx Enable. */ |
#define WR3_RX_ENABLE (0x1 << 0) |
/** 8-bits per character. */ |
#define WR3_RX8BITSCH (0x3 << 6) |
/** Master Interrupt Enable. */ |
#define WR9_MIE (0x1 << 3) |
/** Receive Character Available. */ |
#define RR0_RCA (0x1 << 0) |
/** z8530's registers. */ |
typedef struct { |
union { |
ioport8_t ctl_b; |
ioport8_t status_b; |
} __attribute__ ((packed)); |
uint8_t pad1; |
ioport8_t data_b; |
uint8_t pad2; |
union { |
ioport8_t ctl_a; |
ioport8_t status_a; |
} __attribute__ ((packed)); |
uint8_t pad3; |
ioport8_t data_a; |
} __attribute__ ((packed)) z8530_t; |
/** Structure representing the z8530 device. */ |
typedef struct { |
irq_t irq; |
z8530_t *z8530; |
indev_t *kbrdin; |
} z8530_instance_t; |
extern z8530_instance_t *z8530_init(z8530_t *, inr_t, cir_t, void *); |
extern void z8530_wire(z8530_instance_t *, indev_t *); |
#endif |
/** @} |
*/ |
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/genarch/include/drivers/ega/ega.h |
---|
0,0 → 1,56 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch_drivers |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_EGA_H_ |
#define KERN_EGA_H_ |
#include <arch/types.h> |
#include <typedefs.h> |
#define EGA_COLS 80 |
#define EGA_ROWS 25 |
#define EGA_SCREEN (EGA_COLS * EGA_ROWS) |
#define EGA_VRAM_SIZE (2 * EGA_SCREEN) |
/* EGA device registers. */ |
#define EGA_INDEX_REG 0 |
#define EGA_DATA_REG 1 |
extern void ega_redraw(void); |
extern void ega_init(ioport8_t *, uintptr_t); |
#endif |
/** @} |
*/ |
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/genarch/include/drivers/legacy/ia32/io.h |
---|
0,0 → 1,51 |
/* |
* Copyright (c) 2009 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ia32 |
* @{ |
*/ |
/** @file |
* @brief This file contains definitions used by architectures with the |
* ia32 legacy I/O space (i.e. ia32, amd64 and ia64). |
*/ |
#ifndef KERN_LEGACY_IA32_IO_H |
#define KERN_LEGACY_IA32_IO_H |
#include <arch/types.h> |
#define I8042_BASE ((ioport8_t *) 0x60) |
#define EGA_BASE ((ioport8_t *) 0x3d4) |
#define NS16550_BASE ((ioport8_t *) 0x3f8) |
#define EGA_VIDEORAM 0xb8000 |
#endif |
/** @} |
*/ |
/branches/arm/kernel/genarch/include/kbrd/scanc_mac.h |
---|
0,0 → 1,48 |
/* |
* Copyright (c) 2009 Jiri Svoboda |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** |
* @file |
* @brief Scan codes for Macintosh ADB keyboards. |
*/ |
#ifndef KERN_SCANC_MAC_H_ |
#define KERN_SCANC_MAC_H_ |
#define SC_LSHIFT 0x38 |
#define SC_RSHIFT 0xfd /* Not used */ |
#define SC_CAPSLOCK 0xfe /* Not used */ |
#define SC_SCAN_ESCAPE 0xff /* Not used */ |
#endif |
/** @} |
*/ |
/branches/arm/kernel/genarch/include/kbrd/kbrd.h |
---|
0,0 → 1,60 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** |
* @file |
*/ |
#ifndef KERN_KBD_H_ |
#define KERN_KBD_H_ |
#include <console/chardev.h> |
#include <proc/thread.h> |
#include <synch/spinlock.h> |
typedef struct { |
thread_t *thread; |
indev_t *sink; |
indev_t raw; |
SPINLOCK_DECLARE(keylock); /**< keylock protects keyflags and lockflags. */ |
volatile unsigned int keyflags; /**< Tracking of multiple keypresses. */ |
volatile unsigned int lockflags; /**< Tracking of multiple keys lockings. */ |
} kbrd_instance_t; |
extern kbrd_instance_t *kbrd_init(void); |
extern indev_t *kbrd_wire(kbrd_instance_t *, indev_t *); |
#endif |
/** @} |
*/ |
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/genarch/include/kbrd/scanc_pc.h |
---|
0,0 → 1,48 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** |
* @file |
* @brief Scan codes for PC keyboards. |
*/ |
#ifndef KERN_SCANC_PC_H_ |
#define KERN_SCANC_PC_H_ |
#define SC_LSHIFT 0x2a |
#define SC_RSHIFT 0x36 |
#define SC_CAPSLOCK 0x3a |
#define SC_SCAN_ESCAPE 0xe0 |
#endif |
/** @} |
*/ |
/branches/arm/kernel/genarch/include/kbrd/scanc_sun.h |
---|
0,0 → 1,48 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** |
* @file |
* @brief Scan codes for Sun keyboards. |
*/ |
#ifndef KERN_SCANC_SUN_H_ |
#define KERN_SCANC_SUN_H_ |
#define SC_LSHIFT 0x63 |
#define SC_RSHIFT 0x6e |
#define SC_CAPSLOCK 0x77 |
#define SC_SCAN_ESCAPE 0xe0 |
#endif |
/** @} |
*/ |
/branches/arm/kernel/genarch/include/kbrd/scanc.h |
---|
0,0 → 1,49 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** |
* @file |
*/ |
#ifndef KERN_SCANC_H_ |
#define KERN_SCANC_H_ |
#include <typedefs.h> |
#define SCANCODES 128 |
extern wchar_t sc_primary_map[SCANCODES]; |
extern wchar_t sc_secondary_map[SCANCODES]; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/genarch/include/kbrd |
---|
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/genarch/include/srln/srln.h |
---|
0,0 → 1,55 |
/* |
* Copyright (c) 2009 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** |
* @file |
*/ |
#ifndef KERN_SRLN_H_ |
#define KERN_SRLN_H_ |
#include <console/chardev.h> |
#include <proc/thread.h> |
typedef struct { |
thread_t *thread; |
indev_t *sink; |
indev_t raw; |
} srln_instance_t; |
extern srln_instance_t *srln_init(void); |
extern indev_t *srln_wire(srln_instance_t *, indev_t *); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/genarch/include/fb/font-8x16.h |
---|
0,0 → 1,50 |
/* |
* Copyright (c) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_FONT_8X16_H_ |
#define KERN_FONT_8X16_H_ |
#define FONT_GLYPHS 2899 |
#define FONT_WIDTH 8 |
#define FONT_SCANLINES 16 |
#include <typedefs.h> |
extern uint16_t fb_font_glyph(const wchar_t ch); |
extern uint8_t fb_font[FONT_GLYPHS][FONT_SCANLINES]; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/genarch/include/fb/visuals.h |
---|
0,0 → 1,52 |
/* |
* Copyright (c) 2006 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_VISUALS_H_ |
#define KERN_VISUALS_H_ |
#define VISUAL_INDIRECT_8 0 |
#define VISUAL_RGB_5_5_5 1 |
#define VISUAL_RGB_5_6_5 2 |
#define VISUAL_RGB_8_8_8 3 |
#define VISUAL_RGB_8_8_8_0 4 |
#define VISUAL_RGB_0_8_8_8 5 |
#define VISUAL_BGR_0_8_8_8 6 |
#define VISUAL_BGR_8_8_8 7 |
#endif |
/** @} |
*/ |
/branches/arm/kernel/genarch/include/fb/fb.h |
---|
0,0 → 1,75 |
/* |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_FB_H_ |
#define KERN_FB_H_ |
#include <arch/types.h> |
#include <synch/spinlock.h> |
/** |
* Properties of the framebuffer device. |
*/ |
typedef struct fb_properties { |
/** Physical address of the framebuffer device. */ |
uintptr_t addr; |
/** |
* Address where the first (top left) pixel is mapped, |
* relative to "addr". |
*/ |
unsigned int offset; |
/** Screen width in pixels. */ |
unsigned int x; |
/** Screen height in pixels. */ |
unsigned int y; |
/** Bytes per one scanline. */ |
unsigned int scan; |
/** Color model. */ |
unsigned int visual; |
} fb_properties_t; |
SPINLOCK_EXTERN(fb_lock); |
void fb_redraw(void); |
void fb_init(fb_properties_t *props); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/genarch/include/fb/logo-196x66.h |
---|
0,0 → 1,49 |
/* |
* Copyright (c) 2008 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_LOGO_196X66_H_ |
#define KERN_LOGO_196X66_H_ |
#define LOGO_WIDTH 196 |
#define LOGO_HEIGHT 66 |
#define LOGO_COLOR 0xffffff |
#include <arch/types.h> |
extern uint32_t fb_logo[LOGO_WIDTH * LOGO_HEIGHT]; |
#endif |
/** @} |
*/ |
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/genarch/include/multiboot/multiboot.h |
---|
0,0 → 1,100 |
/* |
* Copyright (c) 2009 Jiri Svoboda |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_MULTIBOOT_H_ |
#define KERN_MULTIBOOT_H_ |
#include <arch/types.h> |
#include <arch/boot/memmap.h> |
/** Multiboot 32-bit address. */ |
typedef uint32_t mbaddr_t; |
/** Multiboot mod structure */ |
typedef struct { |
mbaddr_t start; |
mbaddr_t end; |
mbaddr_t string; |
uint32_t reserved; |
} __attribute__ ((packed)) multiboot_mod_t; |
/** Multiboot mmap structure */ |
typedef struct { |
uint32_t size; |
e820memmap_t mm_info; |
} __attribute__ ((packed)) multiboot_mmap_t; |
/** Multiboot information structure */ |
typedef struct { |
uint32_t flags; |
uint32_t mem_lower; |
uint32_t mem_upper; |
uint32_t boot_device; |
uint32_t cmdline; |
uint32_t mods_count; |
mbaddr_t mods_addr; |
uint32_t syms[4]; |
uint32_t mmap_length; |
mbaddr_t mmap_addr; |
/* ... */ |
} __attribute__ ((packed)) multiboot_info_t; |
enum multiboot_info_flags { |
MBINFO_FLAGS_MEM = 0x01, |
MBINFO_FLAGS_BOOT = 0x02, |
MBINFO_FLAGS_CMDLINE = 0x04, |
MBINFO_FLAGS_MODS = 0x08, |
MBINFO_FLAGS_SYMS1 = 0x10, |
MBINFO_FLAGS_SYMS2 = 0x20, |
MBINFO_FLAGS_MMAP = 0x40 |
/* ... */ |
}; |
#define MULTIBOOT_LOADER_MAGIC 0x2BADB002 |
/** Convert 32-bit multiboot address to a pointer. */ |
#define MULTIBOOT_PTR(mba) ((void *)(uintptr_t) (mba)) |
extern void multiboot_info_parse(uint32_t, const multiboot_info_t *); |
#endif |
/** @} |
*/ |
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/genarch/include/ofw/ofw_tree.h |
---|
0,0 → 1,203 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef KERN_OFW_TREE_H_ |
#define KERN_OFW_TREE_H_ |
#include <arch/types.h> |
#include <ddi/irq.h> |
#include <typedefs.h> |
#define OFW_TREE_PROPERTY_MAX_NAMELEN 32 |
typedef struct ofw_tree_node ofw_tree_node_t; |
typedef struct ofw_tree_property ofw_tree_property_t; |
/** Memory representation of OpenFirmware device tree node. */ |
struct ofw_tree_node { |
ofw_tree_node_t *parent; |
ofw_tree_node_t *peer; |
ofw_tree_node_t *child; |
uint32_t node_handle; /**< Old OpenFirmware node handle. */ |
char *da_name; /**< Disambigued name. */ |
unsigned properties; /**< Number of properties. */ |
ofw_tree_property_t *property; |
/** |
* Pointer to a structure representing respective device. |
* Its semantics is device dependent. |
*/ |
void *device; |
}; |
/** Memory representation of OpenFirmware device tree node property. */ |
struct ofw_tree_property { |
char name[OFW_TREE_PROPERTY_MAX_NAMELEN]; |
size_t size; |
void *value; |
}; |
/* |
* Definition of 'reg' and 'ranges' properties for various buses. |
*/ |
struct ofw_fhc_reg { |
uint64_t addr; |
uint32_t size; |
} __attribute__ ((packed)); |
typedef struct ofw_fhc_reg ofw_fhc_reg_t; |
struct ofw_fhc_range { |
uint64_t child_base; |
uint64_t parent_base; |
uint32_t size; |
} __attribute__ ((packed)); |
typedef struct ofw_fhc_range ofw_fhc_range_t; |
struct ofw_central_reg { |
uint64_t addr; |
uint32_t size; |
} __attribute__ ((packed)); |
typedef struct ofw_central_reg ofw_central_reg_t; |
struct ofw_central_range { |
uint64_t child_base; |
uint64_t parent_base; |
uint32_t size; |
} __attribute__ ((packed)); |
typedef struct ofw_central_range ofw_central_range_t; |
struct ofw_ebus_reg { |
uint32_t space; |
uint32_t addr; |
uint32_t size; |
} __attribute__ ((packed)); |
typedef struct ofw_ebus_reg ofw_ebus_reg_t; |
struct ofw_ebus_range { |
uint32_t child_space; |
uint32_t child_base; |
uint32_t parent_space; |
uint64_t parent_base; /* group phys.mid and phys.lo together */ |
uint32_t size; |
} __attribute__ ((packed)); |
typedef struct ofw_ebus_range ofw_ebus_range_t; |
struct ofw_ebus_intr_map { |
uint32_t space; |
uint32_t addr; |
uint32_t intr; |
uint32_t controller_handle; |
uint32_t controller_ino; |
} __attribute__ ((packed)); |
typedef struct ofw_ebus_intr_map ofw_ebus_intr_map_t; |
struct ofw_ebus_intr_mask { |
uint32_t space_mask; |
uint32_t addr_mask; |
uint32_t intr_mask; |
} __attribute__ ((packed)); |
typedef struct ofw_ebus_intr_mask ofw_ebus_intr_mask_t; |
struct ofw_pci_reg { |
uint32_t space; /* needs to be masked to obtain pure space id */ |
uint64_t addr; /* group phys.mid and phys.lo together */ |
uint64_t size; |
} __attribute__ ((packed)); |
typedef struct ofw_pci_reg ofw_pci_reg_t; |
struct ofw_pci_range { |
uint32_t space; |
uint64_t child_base; /* group phys.mid and phys.lo together */ |
uint64_t parent_base; |
uint64_t size; |
} __attribute__ ((packed)); |
typedef struct ofw_pci_range ofw_pci_range_t; |
struct ofw_sbus_reg { |
uint64_t addr; |
uint32_t size; |
} __attribute__ ((packed)); |
typedef struct ofw_sbus_reg ofw_sbus_reg_t; |
struct ofw_sbus_range { |
uint64_t child_base; |
uint64_t parent_base; |
uint32_t size; |
} __attribute__ ((packed)); |
typedef struct ofw_sbus_range ofw_sbus_range_t; |
struct ofw_upa_reg { |
uint64_t addr; |
uint64_t size; |
} __attribute__ ((packed)); |
typedef struct ofw_upa_reg ofw_upa_reg_t; |
extern void ofw_tree_init(ofw_tree_node_t *); |
extern void ofw_tree_print(void); |
extern const char *ofw_tree_node_name(const ofw_tree_node_t *); |
extern ofw_tree_node_t *ofw_tree_lookup(const char *); |
extern ofw_tree_property_t *ofw_tree_getprop(const ofw_tree_node_t *, |
const char *); |
extern ofw_tree_node_t *ofw_tree_find_child(ofw_tree_node_t *, const char *); |
extern ofw_tree_node_t *ofw_tree_find_child_by_device_type(ofw_tree_node_t *, |
const char *); |
extern ofw_tree_node_t *ofw_tree_find_peer_by_device_type(ofw_tree_node_t *, |
const char *); |
extern ofw_tree_node_t *ofw_tree_find_peer_by_name(ofw_tree_node_t *node, |
const char *name); |
extern ofw_tree_node_t *ofw_tree_find_node_by_handle(ofw_tree_node_t *, |
uint32_t); |
extern bool ofw_fhc_apply_ranges(ofw_tree_node_t *, ofw_fhc_reg_t *, |
uintptr_t *); |
extern bool ofw_central_apply_ranges(ofw_tree_node_t *, ofw_central_reg_t *, |
uintptr_t *); |
extern bool ofw_ebus_apply_ranges(ofw_tree_node_t *, ofw_ebus_reg_t *, |
uintptr_t *); |
extern bool ofw_pci_apply_ranges(ofw_tree_node_t *, ofw_pci_reg_t *, |
uintptr_t *); |
extern bool ofw_sbus_apply_ranges(ofw_tree_node_t *, ofw_sbus_reg_t *, |
uintptr_t *); |
extern bool ofw_upa_apply_ranges(ofw_tree_node_t *, ofw_upa_reg_t *, |
uintptr_t *); |
extern bool ofw_pci_reg_absolutize(ofw_tree_node_t *, ofw_pci_reg_t *, |
ofw_pci_reg_t *); |
extern bool ofw_fhc_map_interrupt(ofw_tree_node_t *, ofw_fhc_reg_t *, |
uint32_t, int *, cir_t *, void **); |
extern bool ofw_ebus_map_interrupt(ofw_tree_node_t *, ofw_ebus_reg_t *, |
uint32_t, int *, cir_t *, void **); |
extern bool ofw_pci_map_interrupt(ofw_tree_node_t *, ofw_pci_reg_t *, |
int, int *, cir_t *, void **); |
#endif |
/branches/arm/kernel/genarch/include/mm/page_pt.h |
---|
0,0 → 1,131 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarchmm |
* @{ |
*/ |
/** @file |
*/ |
/* |
* This is the generic 4-level page table interface. |
* Architectures that use hierarchical page tables |
* are supposed to implement *_ARCH macros. |
*/ |
#ifdef CONFIG_PAGE_PT |
#ifndef KERN_PAGE_PT_H_ |
#define KERN_PAGE_PT_H_ |
#include <arch/types.h> |
#include <mm/as.h> |
#include <mm/page.h> |
/* |
* Number of entries in each level. |
*/ |
#define PTL0_ENTRIES PTL0_ENTRIES_ARCH |
#define PTL1_ENTRIES PTL1_ENTRIES_ARCH |
#define PTL2_ENTRIES PTL2_ENTRIES_ARCH |
#define PTL3_ENTRIES PTL3_ENTRIES_ARCH |
/* Table sizes in each level */ |
#define PTL0_SIZE PTL0_SIZE_ARCH |
#define PTL1_SIZE PTL1_SIZE_ARCH |
#define PTL2_SIZE PTL2_SIZE_ARCH |
#define PTL3_SIZE PTL3_SIZE_ARCH |
/* |
* These macros process vaddr and extract those portions |
* of it that function as indices to respective page tables. |
*/ |
#define PTL0_INDEX(vaddr) PTL0_INDEX_ARCH(vaddr) |
#define PTL1_INDEX(vaddr) PTL1_INDEX_ARCH(vaddr) |
#define PTL2_INDEX(vaddr) PTL2_INDEX_ARCH(vaddr) |
#define PTL3_INDEX(vaddr) PTL3_INDEX_ARCH(vaddr) |
#define SET_PTL0_ADDRESS(ptl0) SET_PTL0_ADDRESS_ARCH(ptl0) |
/* |
* These macros traverse the 4-level tree of page tables, |
* each descending by one level. |
*/ |
#define GET_PTL1_ADDRESS(ptl0, i) GET_PTL1_ADDRESS_ARCH(ptl0, i) |
#define GET_PTL2_ADDRESS(ptl1, i) GET_PTL2_ADDRESS_ARCH(ptl1, i) |
#define GET_PTL3_ADDRESS(ptl2, i) GET_PTL3_ADDRESS_ARCH(ptl2, i) |
#define GET_FRAME_ADDRESS(ptl3, i) GET_FRAME_ADDRESS_ARCH(ptl3, i) |
/* |
* These macros are provided to change the shape of the 4-level tree of page |
* tables on respective level. |
*/ |
#define SET_PTL1_ADDRESS(ptl0, i, a) SET_PTL1_ADDRESS_ARCH(ptl0, i, a) |
#define SET_PTL2_ADDRESS(ptl1, i, a) SET_PTL2_ADDRESS_ARCH(ptl1, i, a) |
#define SET_PTL3_ADDRESS(ptl2, i, a) SET_PTL3_ADDRESS_ARCH(ptl2, i, a) |
#define SET_FRAME_ADDRESS(ptl3, i, a) SET_FRAME_ADDRESS_ARCH(ptl3, i, a) |
/* |
* These macros are provided to query various flags within the page tables. |
*/ |
#define GET_PTL1_FLAGS(ptl0, i) GET_PTL1_FLAGS_ARCH(ptl0, i) |
#define GET_PTL2_FLAGS(ptl1, i) GET_PTL2_FLAGS_ARCH(ptl1, i) |
#define GET_PTL3_FLAGS(ptl2, i) GET_PTL3_FLAGS_ARCH(ptl2, i) |
#define GET_FRAME_FLAGS(ptl3, i) GET_FRAME_FLAGS_ARCH(ptl3, i) |
/* |
* These macros are provided to set/clear various flags within the page tables. |
*/ |
#define SET_PTL1_FLAGS(ptl0, i, x) SET_PTL1_FLAGS_ARCH(ptl0, i, x) |
#define SET_PTL2_FLAGS(ptl1, i, x) SET_PTL2_FLAGS_ARCH(ptl1, i, x) |
#define SET_PTL3_FLAGS(ptl2, i, x) SET_PTL3_FLAGS_ARCH(ptl2, i, x) |
#define SET_FRAME_FLAGS(ptl3, i, x) SET_FRAME_FLAGS_ARCH(ptl3, i, x) |
/* |
* Macros for querying the last-level PTEs. |
*/ |
#define PTE_VALID(p) PTE_VALID_ARCH((p)) |
#define PTE_PRESENT(p) PTE_PRESENT_ARCH((p)) |
#define PTE_GET_FRAME(p) PTE_GET_FRAME_ARCH((p)) |
#define PTE_READABLE(p) 1 |
#define PTE_WRITABLE(p) PTE_WRITABLE_ARCH((p)) |
#define PTE_EXECUTABLE(p) PTE_EXECUTABLE_ARCH((p)) |
extern as_operations_t as_pt_operations; |
extern page_mapping_operations_t pt_mapping_operations; |
extern void page_mapping_insert_pt(as_t *as, uintptr_t page, uintptr_t frame, |
int flags); |
extern pte_t *page_mapping_find_pt(as_t *as, uintptr_t page); |
#endif |
#endif |
/** @} |
*/ |
/branches/arm/kernel/genarch/include/mm/page_ht.h |
---|
0,0 → 1,75 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarchmm |
* @{ |
*/ |
/** |
* @file |
* @brief This is the generic page hash table interface. |
*/ |
#ifdef CONFIG_PAGE_HT |
#ifndef KERN_PAGE_HT_H_ |
#define KERN_PAGE_HT_H_ |
#include <arch/types.h> |
#include <mm/as.h> |
#include <mm/page.h> |
#include <synch/mutex.h> |
#include <adt/hash_table.h> |
#define PAGE_HT_KEYS 2 |
#define KEY_AS 0 |
#define KEY_PAGE 1 |
#define PAGE_HT_ENTRIES_BITS 13 |
#define PAGE_HT_ENTRIES (1 << PAGE_HT_ENTRIES_BITS) |
/* Macros for querying page hash table PTEs. */ |
#define PTE_VALID(pte) ((pte) != NULL) |
#define PTE_PRESENT(pte) ((pte)->p != 0) |
#define PTE_GET_FRAME(pte) ((pte)->frame) |
#define PTE_READABLE(pte) 1 |
#define PTE_WRITABLE(pte) ((pte)->w != 0) |
#define PTE_EXECUTABLE(pte) ((pte)->x != 0) |
extern as_operations_t as_ht_operations; |
extern page_mapping_operations_t ht_mapping_operations; |
extern mutex_t page_ht_lock; |
extern hash_table_t page_ht; |
extern hash_table_operations_t ht_operations; |
#endif |
#endif |
/** @} |
*/ |
/branches/arm/kernel/genarch/include/mm/as_ht.h |
---|
0,0 → 1,65 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarchmm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_AS_HT_H_ |
#define KERN_AS_HT_H_ |
#include <mm/mm.h> |
#include <adt/list.h> |
#include <arch/types.h> |
typedef struct { |
} as_genarch_t; |
struct as; |
typedef struct pte { |
link_t link; /**< Page hash table link. */ |
struct as *as; /**< Address space. */ |
uintptr_t page; /**< Virtual memory page. */ |
uintptr_t frame; /**< Physical memory frame. */ |
unsigned g : 1; /**< Global page. */ |
unsigned x : 1; /**< Execute. */ |
unsigned w : 1; /**< Writable. */ |
unsigned k : 1; /**< Kernel privileges required. */ |
unsigned c : 1; /**< Cacheable. */ |
unsigned a : 1; /**< Accessed. */ |
unsigned d : 1; /**< Dirty. */ |
unsigned p : 1; /**< Present. */ |
} pte_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/genarch/include/mm/as_pt.h |
---|
0,0 → 1,51 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarchmm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_AS_PT_H_ |
#define KERN_AS_PT_H_ |
#include <mm/mm.h> |
#include <arch/types.h> |
#define AS_PAGE_TABLE |
typedef struct { |
/** Page table pointer. */ |
pte_t *page_table; |
} as_genarch_t; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/genarch/include/mm/asid_fifo.h |
---|
0,0 → 1,43 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarchmm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ASID_FIFO_H_ |
#define KERN_ASID_FIFO_H_ |
extern void asid_fifo_init(void); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/genarch/include/softint/division.h |
---|
0,0 → 1,67 |
/* |
* Copyright (c) 2006 Josef Cejka |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_DIVISION_H_ |
#define KERN_DIVISION_H_ |
/* 32bit integer division */ |
int __divsi3(int a, int b); |
/* 64bit integer division */ |
long long __divdi3(long long a, long long b); |
/* 32bit unsigned integer division */ |
unsigned int __udivsi3(unsigned int a, unsigned int b); |
/* 64bit unsigned integer division */ |
unsigned long long __udivdi3(unsigned long long a, unsigned long long b); |
/* 32bit remainder of the signed division */ |
int __modsi3(int a, int b); |
/* 64bit remainder of the signed division */ |
long long __moddi3(long long a, long long b); |
/* 32bit remainder of the unsigned division */ |
unsigned int __umodsi3(unsigned int a, unsigned int b); |
/* 64bit remainder of the unsigned division */ |
unsigned long long __umoddi3(unsigned long long a, unsigned long long b); |
unsigned long long __udivmoddi3(unsigned long long a, unsigned long long b, unsigned long long *c); |
#endif |
/** @} |
*/ |
/branches/arm/kernel/genarch/include/acpi/acpi.h |
---|
0,0 → 1,94 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_ACPI_H_ |
#define KERN_ACPI_H_ |
#include <arch/types.h> |
/* Root System Description Pointer */ |
struct acpi_rsdp { |
uint8_t signature[8]; |
uint8_t checksum; |
uint8_t oemid[6]; |
uint8_t revision; |
uint32_t rsdt_address; |
uint32_t length; |
uint64_t xsdt_address; |
uint32_t ext_checksum; |
uint8_t reserved[3]; |
} __attribute__ ((packed)); |
/* System Description Table Header */ |
struct acpi_sdt_header { |
uint8_t signature[4]; |
uint32_t length; |
uint8_t revision; |
uint8_t checksum; |
uint8_t oemid[6]; |
uint8_t oem_table_id[8]; |
uint32_t oem_revision; |
uint32_t creator_id; |
uint32_t creator_revision; |
} __attribute__ ((packed));; |
struct acpi_signature_map { |
uint8_t *signature; |
struct acpi_sdt_header **sdt_ptr; |
char *description; |
}; |
/* Root System Description Table */ |
struct acpi_rsdt { |
struct acpi_sdt_header header; |
uint32_t entry[]; |
} __attribute__ ((packed));; |
/* Extended System Description Table */ |
struct acpi_xsdt { |
struct acpi_sdt_header header; |
uint64_t entry[]; |
} __attribute__ ((packed));; |
extern struct acpi_rsdp *acpi_rsdp; |
extern struct acpi_rsdt *acpi_rsdt; |
extern struct acpi_xsdt *acpi_xsdt; |
extern void acpi_init(void); |
extern int acpi_sdt_check(uint8_t *sdt); |
#endif /* KERN_ACPI_H_ */ |
/** @} |
*/ |
/branches/arm/kernel/genarch/include/acpi/madt.h |
---|
0,0 → 1,149 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_MADT_H_ |
#define KERN_MADT_H_ |
#include <genarch/acpi/acpi.h> |
#include <arch/smp/apic.h> |
#include <arch/smp/smp.h> |
#define MADT_L_APIC 0 |
#define MADT_IO_APIC 1 |
#define MADT_INTR_SRC_OVRD 2 |
#define MADT_NMI_SRC 3 |
#define MADT_L_APIC_NMI 4 |
#define MADT_L_APIC_ADDR_OVRD 5 |
#define MADT_IO_SAPIC 6 |
#define MADT_L_SAPIC 7 |
#define MADT_PLATFORM_INTR_SRC 8 |
#define MADT_RESERVED_SKIP_BEGIN 9 |
#define MADT_RESERVED_SKIP_END 127 |
#define MADT_RESERVED_OEM_BEGIN 128 |
struct madt_apic_header { |
uint8_t type; |
uint8_t length; |
} __attribute__ ((packed)); |
/* Multiple APIC Description Table */ |
struct acpi_madt { |
struct acpi_sdt_header header; |
uint32_t l_apic_address; |
uint32_t flags; |
struct madt_apic_header apic_header[]; |
} __attribute__ ((packed)); |
struct madt_l_apic { |
struct madt_apic_header header; |
uint8_t acpi_id; |
uint8_t apic_id; |
uint32_t flags; |
} __attribute__ ((packed)); |
struct madt_io_apic { |
struct madt_apic_header header; |
uint8_t io_apic_id; |
uint8_t reserved; |
uint32_t io_apic_address; |
uint32_t global_intr_base; |
} __attribute__ ((packed)); |
struct madt_intr_src_ovrd { |
struct madt_apic_header header; |
uint8_t bus; |
uint8_t source; |
uint32_t global_int; |
uint16_t flags; |
} __attribute__ ((packed)); |
struct madt_nmi_src { |
struct madt_apic_header header; |
uint16_t flags; |
uint32_t global_intr; |
} __attribute__ ((packed)); |
struct madt_l_apic_nmi { |
struct madt_apic_header header; |
uint8_t acpi_id; |
uint16_t flags; |
uint8_t l_apic_lint; |
} __attribute__ ((packed)); |
struct madt_l_apic_addr_ovrd { |
struct madt_apic_header header; |
uint16_t reserved; |
uint64_t l_apic_address; |
} __attribute__ ((packed)); |
struct madt_io_sapic { |
struct madt_apic_header header; |
uint8_t io_apic_id; |
uint8_t reserved; |
uint32_t global_intr_base; |
uint64_t io_apic_address; |
} __attribute__ ((packed)); |
struct madt_l_sapic { |
struct madt_apic_header header; |
uint8_t acpi_id; |
uint8_t sapic_id; |
uint8_t sapic_eid; |
uint8_t reserved[3]; |
uint32_t flags; |
uint32_t acpi_processor_uid_value; |
uint8_t acpi_processor_uid_str[1]; |
} __attribute__ ((packed)); |
struct madt_platform_intr_src { |
struct madt_apic_header header; |
uint16_t flags; |
uint8_t intr_type; |
uint8_t processor_id; |
uint8_t processor_eid; |
uint8_t io_sapic_vector; |
uint32_t global_intr; |
uint32_t platform_intr_src_flags; |
} __attribute__ ((packed)); |
extern struct acpi_madt *acpi_madt; |
extern struct smp_config_operations madt_config_operations; |
extern void acpi_madt_parse(void); |
#endif /* KERN_MADT_H_ */ |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/drivers/via-cuda/cuda.c |
---|
0,0 → 1,360 |
/* |
* Copyright (c) 2006 Martin Decky |
* Copyright (c) 2009 Jiri Svoboda |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** @file |
*/ |
#include <genarch/drivers/via-cuda/cuda.h> |
#include <console/chardev.h> |
#include <ddi/irq.h> |
#include <arch/asm.h> |
#include <mm/slab.h> |
#include <ddi/device.h> |
#include <synch/spinlock.h> |
static irq_ownership_t cuda_claim(irq_t *irq); |
static void cuda_irq_handler(irq_t *irq); |
static void cuda_irq_listen(irq_t *irq); |
static void cuda_irq_receive(irq_t *irq); |
static void cuda_irq_rcv_end(irq_t *irq, void *buf, size_t *len); |
static void cuda_irq_send_start(irq_t *irq); |
static void cuda_irq_send(irq_t *irq); |
static void cuda_packet_handle(cuda_instance_t *instance, uint8_t *buf, size_t len); |
static void cuda_send_start(cuda_instance_t *instance); |
static void cuda_autopoll_set(cuda_instance_t *instance, bool enable); |
/** B register fields */ |
enum { |
TREQ = 0x08, |
TACK = 0x10, |
TIP = 0x20 |
}; |
/** IER register fields */ |
enum { |
IER_CLR = 0x00, |
IER_SET = 0x80, |
SR_INT = 0x04, |
ALL_INT = 0x7f |
}; |
/** ACR register fields */ |
enum { |
SR_OUT = 0x10 |
}; |
/** Packet types */ |
enum { |
PT_ADB = 0x00, |
PT_CUDA = 0x01 |
}; |
/** CUDA packet types */ |
enum { |
CPT_AUTOPOLL = 0x01 |
}; |
cuda_instance_t *cuda_init(cuda_t *dev, inr_t inr, cir_t cir, void *cir_arg) |
{ |
cuda_instance_t *instance |
= malloc(sizeof(cuda_instance_t), FRAME_ATOMIC); |
if (instance) { |
instance->cuda = dev; |
instance->kbrdin = NULL; |
instance->xstate = cx_listen; |
instance->bidx = 0; |
instance->snd_bytes = 0; |
spinlock_initialize(&instance->dev_lock, "cuda_dev"); |
/* Disable all interrupts from CUDA. */ |
pio_write_8(&dev->ier, IER_CLR | ALL_INT); |
irq_initialize(&instance->irq); |
instance->irq.devno = device_assign_devno(); |
instance->irq.inr = inr; |
instance->irq.claim = cuda_claim; |
instance->irq.handler = cuda_irq_handler; |
instance->irq.instance = instance; |
instance->irq.cir = cir; |
instance->irq.cir_arg = cir_arg; |
instance->irq.preack = true; |
} |
return instance; |
} |
#include <print.h> |
void cuda_wire(cuda_instance_t *instance, indev_t *kbrdin) |
{ |
cuda_t *dev = instance->cuda; |
ASSERT(instance); |
ASSERT(kbrdin); |
instance->kbrdin = kbrdin; |
irq_register(&instance->irq); |
/* Enable SR interrupt. */ |
pio_write_8(&dev->ier, TIP | TREQ); |
pio_write_8(&dev->ier, IER_SET | SR_INT); |
/* Enable ADB autopolling. */ |
cuda_autopoll_set(instance, true); |
} |
static irq_ownership_t cuda_claim(irq_t *irq) |
{ |
cuda_instance_t *instance = irq->instance; |
cuda_t *dev = instance->cuda; |
uint8_t ifr; |
spinlock_lock(&instance->dev_lock); |
ifr = pio_read_8(&dev->ifr); |
spinlock_unlock(&instance->dev_lock); |
if ((ifr & SR_INT) == 0) |
return IRQ_DECLINE; |
return IRQ_ACCEPT; |
} |
static void cuda_irq_handler(irq_t *irq) |
{ |
cuda_instance_t *instance = irq->instance; |
uint8_t rbuf[CUDA_RCV_BUF_SIZE]; |
size_t len; |
bool handle; |
handle = false; |
len = 0; |
spinlock_lock(&instance->dev_lock); |
/* Lower IFR.SR_INT so that CUDA can generate next int by raising it. */ |
pio_write_8(&instance->cuda->ifr, SR_INT); |
switch (instance->xstate) { |
case cx_listen: cuda_irq_listen(irq); break; |
case cx_receive: cuda_irq_receive(irq); break; |
case cx_rcv_end: cuda_irq_rcv_end(irq, rbuf, &len); |
handle = true; break; |
case cx_send_start: cuda_irq_send_start(irq); break; |
case cx_send: cuda_irq_send(irq); break; |
} |
spinlock_unlock(&instance->dev_lock); |
/* Handle an incoming packet. */ |
if (handle) |
cuda_packet_handle(instance, rbuf, len); |
} |
/** Interrupt in listen state. |
* |
* Start packet reception. |
*/ |
static void cuda_irq_listen(irq_t *irq) |
{ |
cuda_instance_t *instance = irq->instance; |
cuda_t *dev = instance->cuda; |
uint8_t b; |
b = pio_read_8(&dev->b); |
if ((b & TREQ) != 0) { |
printf("cuda_irq_listen: no TREQ?!\n"); |
return; |
} |
pio_read_8(&dev->sr); |
pio_write_8(&dev->b, pio_read_8(&dev->b) & ~TIP); |
instance->xstate = cx_receive; |
} |
/** Interrupt in receive state. |
* |
* Receive next byte of packet. |
*/ |
static void cuda_irq_receive(irq_t *irq) |
{ |
cuda_instance_t *instance = irq->instance; |
cuda_t *dev = instance->cuda; |
uint8_t b, data; |
data = pio_read_8(&dev->sr); |
if (instance->bidx < CUDA_RCV_BUF_SIZE) |
instance->rcv_buf[instance->bidx++] = data; |
b = pio_read_8(&dev->b); |
if ((b & TREQ) == 0) { |
pio_write_8(&dev->b, b ^ TACK); |
} else { |
pio_write_8(&dev->b, b | TACK | TIP); |
instance->xstate = cx_rcv_end; |
} |
} |
/** Interrupt in rcv_end state. |
* |
* Terminate packet reception. Either go back to listen state or start |
* receiving another packet if CUDA has one for us. |
*/ |
static void cuda_irq_rcv_end(irq_t *irq, void *buf, size_t *len) |
{ |
cuda_instance_t *instance = irq->instance; |
cuda_t *dev = instance->cuda; |
uint8_t data, b; |
b = pio_read_8(&dev->b); |
data = pio_read_8(&dev->sr); |
if ((b & TREQ) == 0) { |
instance->xstate = cx_receive; |
pio_write_8(&dev->b, b & ~TIP); |
} else { |
instance->xstate = cx_listen; |
cuda_send_start(instance); |
} |
memcpy(buf, instance->rcv_buf, instance->bidx); |
*len = instance->bidx; |
instance->bidx = 0; |
} |
/** Interrupt in send_start state. |
* |
* Process result of sending first byte (and send second on success). |
*/ |
static void cuda_irq_send_start(irq_t *irq) |
{ |
cuda_instance_t *instance = irq->instance; |
cuda_t *dev = instance->cuda; |
uint8_t b; |
b = pio_read_8(&dev->b); |
if ((b & TREQ) == 0) { |
/* Collision */ |
pio_write_8(&dev->acr, pio_read_8(&dev->acr) & ~SR_OUT); |
pio_read_8(&dev->sr); |
pio_write_8(&dev->b, pio_read_8(&dev->b) | TIP | TACK); |
instance->xstate = cx_listen; |
return; |
} |
pio_write_8(&dev->sr, instance->snd_buf[1]); |
pio_write_8(&dev->b, pio_read_8(&dev->b) ^ TACK); |
instance->bidx = 2; |
instance->xstate = cx_send; |
} |
/** Interrupt in send state. |
* |
* Send next byte or terminate transmission. |
*/ |
static void cuda_irq_send(irq_t *irq) |
{ |
cuda_instance_t *instance = irq->instance; |
cuda_t *dev = instance->cuda; |
if (instance->bidx < instance->snd_bytes) { |
/* Send next byte. */ |
pio_write_8(&dev->sr, instance->snd_buf[instance->bidx++]); |
pio_write_8(&dev->b, pio_read_8(&dev->b) ^ TACK); |
return; |
} |
/* End transfer. */ |
instance->snd_bytes = 0; |
instance->bidx = 0; |
pio_write_8(&dev->acr, pio_read_8(&dev->acr) & ~SR_OUT); |
pio_read_8(&dev->sr); |
pio_write_8(&dev->b, pio_read_8(&dev->b) | TACK | TIP); |
instance->xstate = cx_listen; |
/* TODO: Match reply with request. */ |
} |
static void cuda_packet_handle(cuda_instance_t *instance, uint8_t *data, size_t len) |
{ |
if (data[0] != 0x00 || data[1] != 0x40 || (data[2] != 0x2c |
&& data[2] != 0x8c)) |
return; |
/* The packet contains one or two scancodes. */ |
if (data[3] != 0xff) |
indev_push_character(instance->kbrdin, data[3]); |
if (data[4] != 0xff) |
indev_push_character(instance->kbrdin, data[4]); |
} |
static void cuda_autopoll_set(cuda_instance_t *instance, bool enable) |
{ |
instance->snd_buf[0] = PT_CUDA; |
instance->snd_buf[1] = CPT_AUTOPOLL; |
instance->snd_buf[2] = enable ? 0x01 : 0x00; |
instance->snd_bytes = 3; |
instance->bidx = 0; |
cuda_send_start(instance); |
} |
static void cuda_send_start(cuda_instance_t *instance) |
{ |
cuda_t *dev = instance->cuda; |
ASSERT(instance->xstate == cx_listen); |
if (instance->snd_bytes == 0) |
return; |
/* Check for incoming data. */ |
if ((pio_read_8(&dev->b) & TREQ) == 0) |
return; |
pio_write_8(&dev->acr, pio_read_8(&dev->acr) | SR_OUT); |
pio_write_8(&dev->sr, instance->snd_buf[0]); |
pio_write_8(&dev->b, pio_read_8(&dev->b) & ~TIP); |
instance->xstate = cx_send_start; |
} |
/** @} |
*/ |
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/genarch/src/drivers/ega/ega.c |
---|
0,0 → 1,587 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch_drivers |
* @{ |
*/ |
/** |
* @file |
* @brief EGA driver. |
*/ |
#include <genarch/drivers/ega/ega.h> |
#include <putchar.h> |
#include <mm/page.h> |
#include <mm/as.h> |
#include <mm/slab.h> |
#include <arch/mm/page.h> |
#include <synch/spinlock.h> |
#include <arch/types.h> |
#include <arch/asm.h> |
#include <memstr.h> |
#include <string.h> |
#include <console/chardev.h> |
#include <console/console.h> |
#include <sysinfo/sysinfo.h> |
#include <ddi/ddi.h> |
/* |
* The EGA driver. |
* Simple and short. Function for displaying characters and "scrolling". |
*/ |
SPINLOCK_INITIALIZE(egalock); |
static uint32_t ega_cursor; |
static uint8_t *videoram; |
static uint8_t *backbuf; |
static ioport8_t *ega_base; |
#define SPACE 0x20 |
#define STYLE 0x1e |
#define INVAL 0x17 |
#define EMPTY_CHAR ((STYLE << 8) | SPACE) |
static uint16_t ega_oem_glyph(const wchar_t ch) |
{ |
if ((ch >= 0x0000) && (ch <= 0x007f)) |
return ch; |
if (ch == 0x00a0) |
return 255; |
if (ch == 0x00a1) |
return 173; |
if ((ch >= 0x00a2) && (ch <= 0x00a3)) |
return (ch - 7); |
if (ch == 0x00a5) |
return 157; |
if (ch == 0x00aa) |
return 166; |
if (ch == 0x00ab) |
return 174; |
if (ch == 0x00ac) |
return 170; |
if (ch == 0x00b0) |
return 248; |
if (ch == 0x00b1) |
return 241; |
if (ch == 0x00b2) |
return 253; |
if (ch == 0x00b5) |
return 230; |
if (ch == 0x00b7) |
return 250; |
if (ch == 0x00ba) |
return 167; |
if (ch == 0x00bb) |
return 175; |
if (ch == 0x00bc) |
return 172; |
if (ch == 0x00bd) |
return 171; |
if (ch == 0x00bf) |
return 168; |
if ((ch >= 0x00c4) && (ch <= 0x00c5)) |
return (ch - 54); |
if (ch == 0x00c6) |
return 146; |
if (ch == 0x00c7) |
return 128; |
if (ch == 0x00c9) |
return 144; |
if (ch == 0x00d1) |
return 165; |
if (ch == 0x00d6) |
return 153; |
if (ch == 0x00dc) |
return 154; |
if (ch == 0x00df) |
return 225; |
if (ch == 0x00e0) |
return 133; |
if (ch == 0x00e1) |
return 160; |
if (ch == 0x00e2) |
return 131; |
if (ch == 0x00e4) |
return 132; |
if (ch == 0x00e5) |
return 134; |
if (ch == 0x00e6) |
return 145; |
if (ch == 0x00e7) |
return 135; |
if (ch == 0x00e8) |
return 138; |
if (ch == 0x00e9) |
return 130; |
if ((ch >= 0x00ea) && (ch <= 0x00eb)) |
return (ch - 98); |
if (ch == 0x00ec) |
return 141; |
if (ch == 0x00ed) |
return 161; |
if (ch == 0x00ee) |
return 140; |
if (ch == 0x00ef) |
return 139; |
if (ch == 0x00f1) |
return 164; |
if (ch == 0x00f2) |
return 149; |
if (ch == 0x00f3) |
return 162; |
if (ch == 0x00f4) |
return 147; |
if (ch == 0x00f6) |
return 148; |
if (ch == 0x00f7) |
return 246; |
if (ch == 0x00f9) |
return 151; |
if (ch == 0x00fa) |
return 163; |
if (ch == 0x00fb) |
return 150; |
if (ch == 0x00fc) |
return 129; |
if (ch == 0x00ff) |
return 152; |
if (ch == 0x0192) |
return 159; |
if (ch == 0x0393) |
return 226; |
if (ch == 0x0398) |
return 233; |
if (ch == 0x03a3) |
return 228; |
if (ch == 0x03a6) |
return 232; |
if (ch == 0x03a9) |
return 234; |
if (ch == 0x03b1) |
return 224; |
if (ch == 0x03b4) |
return 235; |
if (ch == 0x03b5) |
return 238; |
if (ch == 0x03c0) |
return 227; |
if (ch == 0x03c3) |
return 229; |
if (ch == 0x03c4) |
return 231; |
if (ch == 0x03c6) |
return 237; |
if (ch == 0x207f) |
return 252; |
if (ch == 0x20a7) |
return 158; |
if (ch == 0x2219) |
return 249; |
if (ch == 0x221a) |
return 251; |
if (ch == 0x221e) |
return 236; |
if (ch == 0x2229) |
return 239; |
if (ch == 0x2248) |
return 247; |
if (ch == 0x2261) |
return 240; |
if (ch == 0x2264) |
return 243; |
if (ch == 0x2265) |
return 242; |
if (ch == 0x2310) |
return 169; |
if ((ch >= 0x2320) && (ch <= 0x2321)) |
return (ch - 8748); |
if (ch == 0x2500) |
return 196; |
if (ch == 0x2502) |
return 179; |
if (ch == 0x250c) |
return 218; |
if (ch == 0x2510) |
return 191; |
if (ch == 0x2514) |
return 192; |
if (ch == 0x2518) |
return 217; |
if (ch == 0x251c) |
return 195; |
if (ch == 0x2524) |
return 180; |
if (ch == 0x252c) |
return 194; |
if (ch == 0x2534) |
return 193; |
if (ch == 0x253c) |
return 197; |
if (ch == 0x2550) |
return 205; |
if (ch == 0x2551) |
return 186; |
if ((ch >= 0x2552) && (ch <= 0x2553)) |
return (ch - 9341); |
if (ch == 0x2554) |
return 201; |
if (ch == 0x2555) |
return 184; |
if (ch == 0x2556) |
return 183; |
if (ch == 0x2557) |
return 187; |
if (ch == 0x2558) |
return 212; |
if (ch == 0x2559) |
return 211; |
if (ch == 0x255a) |
return 200; |
if (ch == 0x255b) |
return 190; |
if (ch == 0x255c) |
return 189; |
if (ch == 0x255d) |
return 188; |
if ((ch >= 0x255e) && (ch <= 0x255f)) |
return (ch - 9368); |
if (ch == 0x2560) |
return 204; |
if ((ch >= 0x2561) && (ch <= 0x2562)) |
return (ch - 9388); |
if (ch == 0x2563) |
return 185; |
if ((ch >= 0x2564) && (ch <= 0x2565)) |
return (ch - 9363); |
if (ch == 0x2566) |
return 203; |
if ((ch >= 0x2567) && (ch <= 0x2568)) |
return (ch - 9368); |
if (ch == 0x2569) |
return 202; |
if (ch == 0x256a) |
return 216; |
if (ch == 0x256b) |
return 215; |
if (ch == 0x256c) |
return 206; |
if (ch == 0x2580) |
return 223; |
if (ch == 0x2584) |
return 220; |
if (ch == 0x2588) |
return 219; |
if (ch == 0x258c) |
return 221; |
if (ch == 0x2590) |
return 222; |
if ((ch >= 0x2591) && (ch <= 0x2593)) |
return (ch - 9441); |
return 256; |
} |
/* |
* This function takes care of scrolling. |
*/ |
static void ega_check_cursor(bool silent) |
{ |
if (ega_cursor < EGA_SCREEN) |
return; |
memmove((void *) backbuf, (void *) (backbuf + EGA_COLS * 2), |
(EGA_SCREEN - EGA_COLS) * 2); |
memsetw(backbuf + (EGA_SCREEN - EGA_COLS) * 2, EGA_COLS, EMPTY_CHAR); |
if (!silent) { |
memmove((void *) videoram, (void *) (videoram + EGA_COLS * 2), |
(EGA_SCREEN - EGA_COLS) * 2); |
memsetw(videoram + (EGA_SCREEN - EGA_COLS) * 2, EGA_COLS, EMPTY_CHAR); |
} |
ega_cursor = ega_cursor - EGA_COLS; |
} |
static void ega_show_cursor(bool silent) |
{ |
if (!silent) { |
pio_write_8(ega_base + EGA_INDEX_REG, 0x0a); |
uint8_t stat = pio_read_8(ega_base + EGA_DATA_REG); |
pio_write_8(ega_base + EGA_INDEX_REG, 0x0a); |
pio_write_8(ega_base + EGA_DATA_REG, stat & (~(1 << 5))); |
} |
} |
static void ega_move_cursor(bool silent) |
{ |
if (!silent) { |
pio_write_8(ega_base + EGA_INDEX_REG, 0x0e); |
pio_write_8(ega_base + EGA_DATA_REG, (uint8_t) ((ega_cursor >> 8) & 0xff)); |
pio_write_8(ega_base + EGA_INDEX_REG, 0x0f); |
pio_write_8(ega_base + EGA_DATA_REG, (uint8_t) (ega_cursor & 0xff)); |
} |
} |
static void ega_sync_cursor(bool silent) |
{ |
if (!silent) { |
pio_write_8(ega_base + EGA_INDEX_REG, 0x0e); |
uint8_t hi = pio_read_8(ega_base + EGA_DATA_REG); |
pio_write_8(ega_base + EGA_INDEX_REG, 0x0f); |
uint8_t lo = pio_read_8(ega_base + EGA_DATA_REG); |
ega_cursor = (hi << 8) | lo; |
} else |
ega_cursor = 0; |
if (ega_cursor >= EGA_SCREEN) |
ega_cursor = 0; |
if ((ega_cursor % EGA_COLS) != 0) |
ega_cursor = (ega_cursor + EGA_COLS) - ega_cursor % EGA_COLS; |
memsetw(backbuf + ega_cursor * 2, EGA_SCREEN - ega_cursor, EMPTY_CHAR); |
if (!silent) |
memsetw(videoram + ega_cursor * 2, EGA_SCREEN - ega_cursor, EMPTY_CHAR); |
ega_check_cursor(silent); |
ega_move_cursor(silent); |
ega_show_cursor(silent); |
} |
static void ega_display_char(wchar_t ch, bool silent) |
{ |
uint16_t index = ega_oem_glyph(ch); |
uint8_t glyph; |
uint8_t style; |
if ((index >> 8)) { |
glyph = U_SPECIAL; |
style = INVAL; |
} else { |
glyph = index & 0xff; |
style = STYLE; |
} |
backbuf[ega_cursor * 2] = glyph; |
backbuf[ega_cursor * 2 + 1] = style; |
if (!silent) { |
videoram[ega_cursor * 2] = glyph; |
videoram[ega_cursor * 2 + 1] = style; |
} |
} |
static void ega_putchar(outdev_t *dev __attribute__((unused)), wchar_t ch, bool silent) |
{ |
ipl_t ipl; |
ipl = interrupts_disable(); |
spinlock_lock(&egalock); |
switch (ch) { |
case '\n': |
ega_cursor = (ega_cursor + EGA_COLS) - ega_cursor % EGA_COLS; |
break; |
case '\t': |
ega_cursor = (ega_cursor + 8) - ega_cursor % 8; |
break; |
case '\b': |
if (ega_cursor % EGA_COLS) |
ega_cursor--; |
break; |
default: |
ega_display_char(ch, silent); |
ega_cursor++; |
break; |
} |
ega_check_cursor(silent); |
ega_move_cursor(silent); |
spinlock_unlock(&egalock); |
interrupts_restore(ipl); |
} |
static outdev_t ega_console; |
static outdev_operations_t ega_ops = { |
.write = ega_putchar |
}; |
void ega_init(ioport8_t *base, uintptr_t videoram_phys) |
{ |
/* Initialize the software structure. */ |
ega_base = base; |
backbuf = (uint8_t *) malloc(EGA_VRAM_SIZE, 0); |
if (!backbuf) |
panic("Unable to allocate backbuffer."); |
videoram = (uint8_t *) hw_map(videoram_phys, EGA_VRAM_SIZE); |
/* Synchronize the back buffer and cursor position. */ |
memcpy(backbuf, videoram, EGA_VRAM_SIZE); |
ega_sync_cursor(silent); |
outdev_initialize("ega", &ega_console, &ega_ops); |
stdout = &ega_console; |
sysinfo_set_item_val("fb", NULL, true); |
sysinfo_set_item_val("fb.kind", NULL, 2); |
sysinfo_set_item_val("fb.width", NULL, EGA_COLS); |
sysinfo_set_item_val("fb.height", NULL, EGA_ROWS); |
sysinfo_set_item_val("fb.blinking", NULL, true); |
sysinfo_set_item_val("fb.address.physical", NULL, videoram_phys); |
} |
void ega_redraw(void) |
{ |
memcpy(videoram, backbuf, EGA_VRAM_SIZE); |
ega_move_cursor(silent); |
ega_show_cursor(silent); |
} |
/** @} |
*/ |
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/genarch/src/drivers/ns16550/ns16550.c |
---|
0,0 → 1,123 |
/* |
* Copyright (c) 2009 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** |
* @file |
* @brief NS 16550 serial controller driver. |
*/ |
#include <genarch/drivers/ns16550/ns16550.h> |
#include <ddi/irq.h> |
#include <arch/asm.h> |
#include <console/chardev.h> |
#include <mm/slab.h> |
#include <ddi/device.h> |
#define LSR_DATA_READY 0x01 |
static irq_ownership_t ns16550_claim(irq_t *irq) |
{ |
ns16550_instance_t *instance = irq->instance; |
ns16550_t *dev = instance->ns16550; |
if (pio_read_8(&dev->lsr) & LSR_DATA_READY) |
return IRQ_ACCEPT; |
else |
return IRQ_DECLINE; |
} |
static void ns16550_irq_handler(irq_t *irq) |
{ |
ns16550_instance_t *instance = irq->instance; |
ns16550_t *dev = instance->ns16550; |
if (pio_read_8(&dev->lsr) & LSR_DATA_READY) { |
uint8_t data = pio_read_8(&dev->rbr); |
indev_push_character(instance->kbrdin, data); |
} |
} |
/**< Clear input buffer. */ |
static void ns16550_clear_buffer(ns16550_t *dev) |
{ |
while ((pio_read_8(&dev->lsr) & LSR_DATA_READY)) |
(void) pio_read_8(&dev->rbr); |
} |
/** Initialize ns16550. |
* |
* @param dev Addrress of the beginning of the device in I/O space. |
* @param devno Device number. |
* @param inr Interrupt number. |
* @param cir Clear interrupt function. |
* @param cir_arg First argument to cir. |
* |
* @return Keyboard instance or NULL on failure. |
* |
*/ |
ns16550_instance_t *ns16550_init(ns16550_t *dev, inr_t inr, cir_t cir, void *cir_arg) |
{ |
ns16550_instance_t *instance |
= malloc(sizeof(ns16550_instance_t), FRAME_ATOMIC); |
if (instance) { |
instance->ns16550 = dev; |
instance->kbrdin = NULL; |
irq_initialize(&instance->irq); |
instance->irq.devno = device_assign_devno(); |
instance->irq.inr = inr; |
instance->irq.claim = ns16550_claim; |
instance->irq.handler = ns16550_irq_handler; |
instance->irq.instance = instance; |
instance->irq.cir = cir; |
instance->irq.cir_arg = cir_arg; |
} |
return instance; |
} |
void ns16550_wire(ns16550_instance_t *instance, indev_t *kbrdin) |
{ |
ASSERT(instance); |
ASSERT(kbrdin); |
instance->kbrdin = kbrdin; |
irq_register(&instance->irq); |
ns16550_clear_buffer(instance->ns16550); |
/* Enable interrupts */ |
pio_write_8(&instance->ns16550->ier, IER_ERBFI); |
pio_write_8(&instance->ns16550->mcr, MCR_OUT2); |
} |
/** @} |
*/ |
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/genarch/src/drivers/dsrln/dsrlnin.c |
---|
0,0 → 1,85 |
/* |
* Copyright (c) 2009 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** |
* @file |
* @brief Dummy serial line input. |
*/ |
#include <genarch/drivers/dsrln/dsrlnin.h> |
#include <console/chardev.h> |
#include <mm/slab.h> |
#include <arch/asm.h> |
#include <ddi/device.h> |
static irq_ownership_t dsrlnin_claim(irq_t *irq) |
{ |
return IRQ_ACCEPT; |
} |
static void dsrlnin_irq_handler(irq_t *irq) |
{ |
dsrlnin_instance_t *instance = irq->instance; |
dsrlnin_t *dev = instance->dsrlnin; |
indev_push_character(instance->srlnin, pio_read_8(&dev->data)); |
} |
dsrlnin_instance_t *dsrlnin_init(dsrlnin_t *dev, inr_t inr) |
{ |
dsrlnin_instance_t *instance |
= malloc(sizeof(dsrlnin_instance_t), FRAME_ATOMIC); |
if (instance) { |
instance->dsrlnin = dev; |
instance->srlnin = NULL; |
irq_initialize(&instance->irq); |
instance->irq.devno = device_assign_devno(); |
instance->irq.inr = inr; |
instance->irq.claim = dsrlnin_claim; |
instance->irq.handler = dsrlnin_irq_handler; |
instance->irq.instance = instance; |
} |
return instance; |
} |
void dsrlnin_wire(dsrlnin_instance_t *instance, indev_t *srlnin) |
{ |
ASSERT(instance); |
ASSERT(srlnin); |
instance->srlnin = srlnin; |
irq_register(&instance->irq); |
} |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/drivers/dsrln/dsrlnout.c |
---|
0,0 → 1,76 |
/* |
* Copyright (c) 2009 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** |
* @file |
* @brief Dummy serial line output. |
*/ |
#include <genarch/drivers/dsrln/dsrlnout.h> |
#include <console/chardev.h> |
#include <arch/asm.h> |
#include <console/console.h> |
#include <sysinfo/sysinfo.h> |
#include <string.h> |
static ioport8_t *dsrlnout_base; |
static void dsrlnout_putchar(outdev_t *dev __attribute__((unused)), const wchar_t ch, bool silent) |
{ |
if (!silent) { |
if (ascii_check(ch)) |
pio_write_8(dsrlnout_base, ch); |
else |
pio_write_8(dsrlnout_base, U_SPECIAL); |
} |
} |
static outdev_t dsrlnout_console; |
static outdev_operations_t dsrlnout_ops = { |
.write = dsrlnout_putchar |
}; |
void dsrlnout_init(ioport8_t *base) |
{ |
/* Initialize the software structure. */ |
dsrlnout_base = base; |
outdev_initialize("dsrlnout", &dsrlnout_console, &dsrlnout_ops); |
stdout = &dsrlnout_console; |
sysinfo_set_item_val("fb", NULL, true); |
sysinfo_set_item_val("fb.kind", NULL, 3); |
sysinfo_set_item_val("fb.address.physical", NULL, KA2PA(base)); |
} |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/drivers/i8042/i8042.c |
---|
0,0 → 1,127 |
/* |
* Copyright (c) 2009 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** |
* @file |
* @brief i8042 processor driver |
* |
* It takes care of the i8042 serial communication. |
* |
*/ |
#include <genarch/drivers/i8042/i8042.h> |
#include <genarch/drivers/legacy/ia32/io.h> |
#include <arch/asm.h> |
#include <console/chardev.h> |
#include <mm/slab.h> |
#include <ddi/device.h> |
#define i8042_SET_COMMAND 0x60 |
#define i8042_COMMAND 0x69 |
#define i8042_CPU_RESET 0xfe |
#define i8042_BUFFER_FULL_MASK 0x01 |
#define i8042_WAIT_MASK 0x02 |
static irq_ownership_t i8042_claim(irq_t *irq) |
{ |
i8042_instance_t *i8042_instance = irq->instance; |
i8042_t *dev = i8042_instance->i8042; |
if (pio_read_8(&dev->status) & i8042_BUFFER_FULL_MASK) |
return IRQ_ACCEPT; |
else |
return IRQ_DECLINE; |
} |
static void i8042_irq_handler(irq_t *irq) |
{ |
i8042_instance_t *instance = irq->instance; |
i8042_t *dev = instance->i8042; |
uint8_t status; |
if (((status = pio_read_8(&dev->status)) & i8042_BUFFER_FULL_MASK)) { |
uint8_t data = pio_read_8(&dev->data); |
indev_push_character(instance->kbrdin, data); |
} |
} |
/**< Clear input buffer. */ |
static void i8042_clear_buffer(i8042_t *dev) |
{ |
while (pio_read_8(&dev->status) & i8042_BUFFER_FULL_MASK) |
(void) pio_read_8(&dev->data); |
} |
/** Initialize i8042. */ |
i8042_instance_t *i8042_init(i8042_t *dev, inr_t inr) |
{ |
i8042_instance_t *instance |
= malloc(sizeof(i8042_instance_t), FRAME_ATOMIC); |
if (instance) { |
instance->i8042 = dev; |
instance->kbrdin = NULL; |
irq_initialize(&instance->irq); |
instance->irq.devno = device_assign_devno(); |
instance->irq.inr = inr; |
instance->irq.claim = i8042_claim; |
instance->irq.handler = i8042_irq_handler; |
instance->irq.instance = instance; |
} |
return instance; |
} |
void i8042_wire(i8042_instance_t *instance, indev_t *kbrdin) |
{ |
ASSERT(instance); |
ASSERT(kbrdin); |
instance->kbrdin = kbrdin; |
irq_register(&instance->irq); |
i8042_clear_buffer(instance->i8042); |
} |
/* Reset CPU by pulsing pin 0 */ |
void i8042_cpu_reset(i8042_t *dev) |
{ |
interrupts_disable(); |
i8042_clear_buffer(dev); |
/* Reset CPU */ |
pio_write_8(&dev->status, i8042_CPU_RESET); |
} |
/** @} |
*/ |
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/genarch/src/drivers/z8530/z8530.c |
---|
0,0 → 1,136 |
/* |
* Copyright (c) 2009 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** |
* @file |
* @brief Zilog 8530 serial controller driver. |
*/ |
#include <genarch/drivers/z8530/z8530.h> |
#include <console/chardev.h> |
#include <ddi/irq.h> |
#include <arch/asm.h> |
#include <mm/slab.h> |
#include <ddi/device.h> |
static inline void z8530_write(ioport8_t *ctl, uint8_t reg, uint8_t val) |
{ |
/* |
* Registers 8-15 will automatically issue the Point High |
* command as their bit 3 is 1. |
*/ |
pio_write_8(ctl, reg); /* Select register */ |
pio_write_8(ctl, val); /* Write value */ |
} |
static inline uint8_t z8530_read(ioport8_t *ctl, uint8_t reg) |
{ |
/* |
* Registers 8-15 will automatically issue the Point High |
* command as their bit 3 is 1. |
*/ |
pio_write_8(ctl, reg); /* Select register */ |
return pio_read_8(ctl); |
} |
static irq_ownership_t z8530_claim(irq_t *irq) |
{ |
z8530_instance_t *instance = irq->instance; |
z8530_t *dev = instance->z8530; |
if (z8530_read(&dev->ctl_a, RR0) & RR0_RCA) |
return IRQ_ACCEPT; |
else |
return IRQ_DECLINE; |
} |
static void z8530_irq_handler(irq_t *irq) |
{ |
z8530_instance_t *instance = irq->instance; |
z8530_t *dev = instance->z8530; |
if (z8530_read(&dev->ctl_a, RR0) & RR0_RCA) { |
uint8_t data = z8530_read(&dev->ctl_a, RR8); |
indev_push_character(instance->kbrdin, data); |
} |
} |
/** Initialize z8530. */ |
z8530_instance_t *z8530_init(z8530_t *dev, inr_t inr, cir_t cir, void *cir_arg) |
{ |
z8530_instance_t *instance |
= malloc(sizeof(z8530_instance_t), FRAME_ATOMIC); |
if (instance) { |
instance->z8530 = dev; |
instance->kbrdin = NULL; |
irq_initialize(&instance->irq); |
instance->irq.devno = device_assign_devno(); |
instance->irq.inr = inr; |
instance->irq.claim = z8530_claim; |
instance->irq.handler = z8530_irq_handler; |
instance->irq.instance = instance; |
instance->irq.cir = cir; |
instance->irq.cir_arg = cir_arg; |
} |
return instance; |
} |
void z8530_wire(z8530_instance_t *instance, indev_t *kbrdin) |
{ |
ASSERT(instance); |
ASSERT(kbrdin); |
instance->kbrdin = kbrdin; |
irq_register(&instance->irq); |
(void) z8530_read(&instance->z8530->ctl_a, RR8); |
/* |
* Clear any pending TX interrupts or we never manage |
* to set FHC UART interrupt state to idle. |
*/ |
z8530_write(&instance->z8530->ctl_a, WR0, WR0_TX_IP_RST); |
/* interrupt on all characters */ |
z8530_write(&instance->z8530->ctl_a, WR1, WR1_IARCSC); |
/* 8 bits per character and enable receiver */ |
z8530_write(&instance->z8530->ctl_a, WR3, WR3_RX8BITSCH | WR3_RX_ENABLE); |
/* Master Interrupt Enable. */ |
z8530_write(&instance->z8530->ctl_a, WR9, WR9_MIE); |
} |
/** @} |
*/ |
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/genarch/src/mm/page_ht.c |
---|
0,0 → 1,260 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarchmm |
* @{ |
*/ |
/** |
* @file |
* @brief Virtual Address Translation (VAT) for global page hash table. |
*/ |
#include <genarch/mm/page_ht.h> |
#include <mm/page.h> |
#include <arch/mm/page.h> |
#include <mm/frame.h> |
#include <mm/slab.h> |
#include <mm/as.h> |
#include <arch/mm/asid.h> |
#include <arch/types.h> |
#include <arch/asm.h> |
#include <synch/spinlock.h> |
#include <arch.h> |
#include <debug.h> |
#include <memstr.h> |
#include <adt/hash_table.h> |
#include <align.h> |
static size_t hash(unative_t key[]); |
static bool compare(unative_t key[], size_t keys, link_t *item); |
static void remove_callback(link_t *item); |
static void ht_mapping_insert(as_t *as, uintptr_t page, uintptr_t frame, |
int flags); |
static void ht_mapping_remove(as_t *as, uintptr_t page); |
static pte_t *ht_mapping_find(as_t *as, uintptr_t page); |
/** |
* This lock protects the page hash table. It must be acquired |
* after address space lock and after any address space area |
* locks. |
*/ |
mutex_t page_ht_lock; |
/** |
* Page hash table. |
* The page hash table may be accessed only when page_ht_lock is held. |
*/ |
hash_table_t page_ht; |
/** Hash table operations for page hash table. */ |
hash_table_operations_t ht_operations = { |
.hash = hash, |
.compare = compare, |
.remove_callback = remove_callback |
}; |
/** Page mapping operations for page hash table architectures. */ |
page_mapping_operations_t ht_mapping_operations = { |
.mapping_insert = ht_mapping_insert, |
.mapping_remove = ht_mapping_remove, |
.mapping_find = ht_mapping_find |
}; |
/** Compute page hash table index. |
* |
* @param key Array of two keys (i.e. page and address space). |
* |
* @return Index into page hash table. |
*/ |
size_t hash(unative_t key[]) |
{ |
as_t *as = (as_t *) key[KEY_AS]; |
uintptr_t page = (uintptr_t) key[KEY_PAGE]; |
size_t index; |
/* |
* Virtual page addresses have roughly the same probability |
* of occurring. Least significant bits of VPN compose the |
* hash index. |
*/ |
index = ((page >> PAGE_WIDTH) & (PAGE_HT_ENTRIES - 1)); |
/* |
* Address space structures are likely to be allocated from |
* similar addresses. Least significant bits compose the |
* hash index. |
*/ |
index |= ((unative_t) as) & (PAGE_HT_ENTRIES - 1); |
return index; |
} |
/** Compare page hash table item with page and/or address space. |
* |
* @param key Array of one or two keys (i.e. page and/or address space). |
* @param keys Number of keys passed. |
* @param item Item to compare the keys with. |
* |
* @return true on match, false otherwise. |
*/ |
bool compare(unative_t key[], size_t keys, link_t *item) |
{ |
pte_t *t; |
ASSERT(item); |
ASSERT((keys > 0) && (keys <= PAGE_HT_KEYS)); |
/* |
* Convert item to PTE. |
*/ |
t = hash_table_get_instance(item, pte_t, link); |
if (keys == PAGE_HT_KEYS) { |
return (key[KEY_AS] == (uintptr_t) t->as) && |
(key[KEY_PAGE] == t->page); |
} else { |
return (key[KEY_AS] == (uintptr_t) t->as); |
} |
} |
/** Callback on page hash table item removal. |
* |
* @param item Page hash table item being removed. |
*/ |
void remove_callback(link_t *item) |
{ |
pte_t *t; |
ASSERT(item); |
/* |
* Convert item to PTE. |
*/ |
t = hash_table_get_instance(item, pte_t, link); |
free(t); |
} |
/** Map page to frame using page hash table. |
* |
* Map virtual address page to physical address frame |
* using flags. |
* |
* The page table must be locked and interrupts must be disabled. |
* |
* @param as Address space to which page belongs. |
* @param page Virtual address of the page to be mapped. |
* @param frame Physical address of memory frame to which the mapping is done. |
* @param flags Flags to be used for mapping. |
*/ |
void ht_mapping_insert(as_t *as, uintptr_t page, uintptr_t frame, int flags) |
{ |
pte_t *t; |
unative_t key[2] = { |
(uintptr_t) as, |
page = ALIGN_DOWN(page, PAGE_SIZE) |
}; |
if (!hash_table_find(&page_ht, key)) { |
t = (pte_t *) malloc(sizeof(pte_t), FRAME_ATOMIC); |
ASSERT(t != NULL); |
t->g = (flags & PAGE_GLOBAL) != 0; |
t->x = (flags & PAGE_EXEC) != 0; |
t->w = (flags & PAGE_WRITE) != 0; |
t->k = !(flags & PAGE_USER); |
t->c = (flags & PAGE_CACHEABLE) != 0; |
t->p = !(flags & PAGE_NOT_PRESENT); |
t->a = false; |
t->d = false; |
t->as = as; |
t->page = ALIGN_DOWN(page, PAGE_SIZE); |
t->frame = ALIGN_DOWN(frame, FRAME_SIZE); |
hash_table_insert(&page_ht, key, &t->link); |
} |
} |
/** Remove mapping of page from page hash table. |
* |
* Remove any mapping of page within address space as. |
* TLB shootdown should follow in order to make effects of |
* this call visible. |
* |
* The page table must be locked and interrupts must be disabled. |
* |
* @param as Address space to wich page belongs. |
* @param page Virtual address of the page to be demapped. |
*/ |
void ht_mapping_remove(as_t *as, uintptr_t page) |
{ |
unative_t key[2] = { |
(uintptr_t) as, |
page = ALIGN_DOWN(page, PAGE_SIZE) |
}; |
/* |
* Note that removed PTE's will be freed |
* by remove_callback(). |
*/ |
hash_table_remove(&page_ht, key, 2); |
} |
/** Find mapping for virtual page in page hash table. |
* |
* Find mapping for virtual page. |
* |
* The page table must be locked and interrupts must be disabled. |
* |
* @param as Address space to wich page belongs. |
* @param page Virtual page. |
* |
* @return NULL if there is no such mapping; requested mapping otherwise. |
*/ |
pte_t *ht_mapping_find(as_t *as, uintptr_t page) |
{ |
link_t *hlp; |
pte_t *t = NULL; |
unative_t key[2] = { |
(uintptr_t) as, |
page = ALIGN_DOWN(page, PAGE_SIZE) |
}; |
hlp = hash_table_find(&page_ht, key); |
if (hlp) |
t = hash_table_get_instance(hlp, pte_t, link); |
return t; |
} |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/mm/asid.c |
---|
0,0 → 1,166 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarchmm |
* @{ |
*/ |
/** |
* @file |
* @brief ASID management. |
* |
* Modern processor architectures optimize TLB utilization |
* by using ASIDs (a.k.a. memory contexts on sparc64 and |
* region identifiers on ia64). These ASIDs help to associate |
* each TLB item with an address space, thus making |
* finer-grained TLB invalidation possible. |
* |
* Unfortunatelly, there are usually less ASIDs available than |
* there can be unique as_t structures (i.e. address spaces |
* recognized by the kernel). |
* |
* When system runs short of ASIDs, it will attempt to steal |
* ASID from an address space that has not been active for |
* a while. |
* |
* This code depends on the fact that ASIDS_ALLOCABLE |
* is greater than number of supported CPUs (i.e. the |
* amount of concurently active address spaces). |
* |
* Architectures that don't have hardware support for address |
* spaces do not compile with this file. |
*/ |
#include <mm/asid.h> |
#include <mm/as.h> |
#include <mm/tlb.h> |
#include <arch/mm/asid.h> |
#include <synch/spinlock.h> |
#include <synch/mutex.h> |
#include <adt/list.h> |
#include <debug.h> |
static size_t asids_allocated = 0; |
/** Allocate free address space identifier. |
* |
* Interrupts must be disabled and inactive_as_with_asid_lock must be held |
* prior to this call |
* |
* @return New ASID. |
*/ |
asid_t asid_get(void) |
{ |
asid_t asid; |
link_t *tmp; |
as_t *as; |
/* |
* Check if there is an unallocated ASID. |
*/ |
if (asids_allocated == ASIDS_ALLOCABLE) { |
/* |
* All ASIDs are already allocated. |
* Resort to stealing. |
*/ |
/* |
* Remove the first item on the list. |
* It is guaranteed to belong to an |
* inactive address space. |
*/ |
ASSERT(!list_empty(&inactive_as_with_asid_head)); |
tmp = inactive_as_with_asid_head.next; |
list_remove(tmp); |
as = list_get_instance(tmp, as_t, inactive_as_with_asid_link); |
/* |
* Steal the ASID. |
* Note that the stolen ASID is not active. |
*/ |
asid = as->asid; |
ASSERT(asid != ASID_INVALID); |
/* |
* Notify the address space from wich the ASID |
* was stolen by invalidating its asid member. |
*/ |
as->asid = ASID_INVALID; |
/* |
* If the architecture uses some software cache |
* of TLB entries (e.g. TSB on sparc64), the |
* cache must be invalidated as well. |
*/ |
as_invalidate_translation_cache(as, 0, (size_t) -1); |
/* |
* Get the system rid of the stolen ASID. |
*/ |
tlb_shootdown_start(TLB_INVL_ASID, asid, 0, 0); |
tlb_invalidate_asid(asid); |
tlb_shootdown_finalize(); |
} else { |
/* |
* There is at least one unallocated ASID. |
* Find it and assign it. |
*/ |
asid = asid_find_free(); |
asids_allocated++; |
/* |
* Purge the allocated ASID from TLBs. |
*/ |
tlb_shootdown_start(TLB_INVL_ASID, asid, 0, 0); |
tlb_invalidate_asid(asid); |
tlb_shootdown_finalize(); |
} |
return asid; |
} |
/** Release address space identifier. |
* |
* This code relies on architecture |
* dependent functionality. |
* |
* @param asid ASID to be released. |
*/ |
void asid_put(asid_t asid) |
{ |
asids_allocated--; |
asid_put_arch(asid); |
} |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/mm/as_pt.c |
---|
0,0 → 1,144 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarchmm |
* @{ |
*/ |
/** |
* @file |
* @brief Address space functions for 4-level hierarchical pagetables. |
*/ |
#include <genarch/mm/page_pt.h> |
#include <mm/page.h> |
#include <mm/frame.h> |
#include <mm/as.h> |
#include <synch/mutex.h> |
#include <arch/mm/page.h> |
#include <arch/mm/as.h> |
#include <arch/types.h> |
#include <memstr.h> |
#include <arch.h> |
static pte_t *ptl0_create(int flags); |
static void ptl0_destroy(pte_t *page_table); |
static void pt_lock(as_t *as, bool lock); |
static void pt_unlock(as_t *as, bool unlock); |
as_operations_t as_pt_operations = { |
.page_table_create = ptl0_create, |
.page_table_destroy = ptl0_destroy, |
.page_table_lock = pt_lock, |
.page_table_unlock = pt_unlock |
}; |
/** Create PTL0. |
* |
* PTL0 of 4-level page table will be created for each address space. |
* |
* @param flags Flags can specify whether ptl0 is for the kernel address space. |
* |
* @return New PTL0. |
*/ |
pte_t *ptl0_create(int flags) |
{ |
pte_t *src_ptl0, *dst_ptl0; |
ipl_t ipl; |
int table_size; |
dst_ptl0 = (pte_t *) frame_alloc(PTL0_SIZE, FRAME_KA); |
table_size = FRAME_SIZE << PTL0_SIZE; |
if (flags & FLAG_AS_KERNEL) { |
memsetb(dst_ptl0, table_size, 0); |
} else { |
uintptr_t src, dst; |
/* |
* Copy the kernel address space portion to new PTL0. |
*/ |
ipl = interrupts_disable(); |
mutex_lock(&AS_KERNEL->lock); |
src_ptl0 = (pte_t *) PA2KA((uintptr_t) AS_KERNEL->genarch.page_table); |
src = (uintptr_t) &src_ptl0[PTL0_INDEX(KERNEL_ADDRESS_SPACE_START)]; |
dst = (uintptr_t) &dst_ptl0[PTL0_INDEX(KERNEL_ADDRESS_SPACE_START)]; |
memsetb(dst_ptl0, table_size, 0); |
memcpy((void *) dst, (void *) src, table_size - (src - (uintptr_t) src_ptl0)); |
mutex_unlock(&AS_KERNEL->lock); |
interrupts_restore(ipl); |
} |
return (pte_t *) KA2PA((uintptr_t) dst_ptl0); |
} |
/** Destroy page table. |
* |
* Destroy PTL0, other levels are expected to be already deallocated. |
* |
* @param page_table Physical address of PTL0. |
*/ |
void ptl0_destroy(pte_t *page_table) |
{ |
frame_free((uintptr_t)page_table); |
} |
/** Lock page tables. |
* |
* Lock only the address space. |
* Interrupts must be disabled. |
* |
* @param as Address space. |
* @param lock If false, do not attempt to lock the address space. |
*/ |
void pt_lock(as_t *as, bool lock) |
{ |
if (lock) |
mutex_lock(&as->lock); |
} |
/** Unlock page tables. |
* |
* Unlock the address space. |
* Interrupts must be disabled. |
* |
* @param as Address space. |
* @param unlock If false, do not attempt to unlock the address space. |
*/ |
void pt_unlock(as_t *as, bool unlock) |
{ |
if (unlock) |
mutex_unlock(&as->lock); |
} |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/mm/as_ht.c |
---|
0,0 → 1,122 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarchmm |
* @{ |
*/ |
/** |
* @file |
* @brief Address space functions for global page hash table. |
*/ |
#include <arch/mm/as.h> |
#include <genarch/mm/as_ht.h> |
#include <genarch/mm/page_ht.h> |
#include <mm/as.h> |
#include <mm/frame.h> |
#include <arch/types.h> |
#include <memstr.h> |
#include <adt/hash_table.h> |
#include <synch/mutex.h> |
static pte_t *ht_create(int flags); |
static void ht_destroy(pte_t *page_table); |
static void ht_lock(as_t *as, bool lock); |
static void ht_unlock(as_t *as, bool unlock); |
as_operations_t as_ht_operations = { |
.page_table_create = ht_create, |
.page_table_destroy = ht_destroy, |
.page_table_lock = ht_lock, |
.page_table_unlock = ht_unlock, |
}; |
/** Page hash table create. |
* |
* The page hash table will be created only once |
* and will be shared by all address spaces. |
* |
* @param flags Ignored. |
* |
* @return Returns NULL. |
*/ |
pte_t *ht_create(int flags) |
{ |
if (flags & FLAG_AS_KERNEL) { |
hash_table_create(&page_ht, PAGE_HT_ENTRIES, 2, &ht_operations); |
mutex_initialize(&page_ht_lock, MUTEX_PASSIVE); |
} |
return NULL; |
} |
/** Destroy page table. |
* |
* Actually do nothing as the global page hash table is used. |
* |
* @param page_table This parameter is ignored. |
*/ |
void ht_destroy(pte_t *page_table) |
{ |
/* No-op. */ |
} |
/** Lock page table. |
* |
* Lock address space and page hash table. |
* Interrupts must be disabled. |
* |
* @param as Address space. |
* @param lock If false, do not attempt to lock the address space. |
*/ |
void ht_lock(as_t *as, bool lock) |
{ |
if (lock) |
mutex_lock(&as->lock); |
mutex_lock(&page_ht_lock); |
} |
/** Unlock page table. |
* |
* Unlock address space and page hash table. |
* Interrupts must be disabled. |
* |
* @param as Address space. |
* @param unlock If false, do not attempt to lock the address space. |
*/ |
void ht_unlock(as_t *as, bool unlock) |
{ |
mutex_unlock(&page_ht_lock); |
if (unlock) |
mutex_unlock(&as->lock); |
} |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/mm/page_pt.c |
---|
0,0 → 1,268 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarchmm |
* @{ |
*/ |
/** |
* @file |
* @brief Virtual Address Translation for hierarchical 4-level page tables. |
*/ |
#include <genarch/mm/page_pt.h> |
#include <mm/page.h> |
#include <mm/frame.h> |
#include <mm/as.h> |
#include <arch/mm/page.h> |
#include <arch/mm/as.h> |
#include <arch/types.h> |
#include <arch/asm.h> |
#include <memstr.h> |
static void pt_mapping_insert(as_t *as, uintptr_t page, uintptr_t frame, int flags); |
static void pt_mapping_remove(as_t *as, uintptr_t page); |
static pte_t *pt_mapping_find(as_t *as, uintptr_t page); |
page_mapping_operations_t pt_mapping_operations = { |
.mapping_insert = pt_mapping_insert, |
.mapping_remove = pt_mapping_remove, |
.mapping_find = pt_mapping_find |
}; |
/** Map page to frame using hierarchical page tables. |
* |
* Map virtual address page to physical address frame |
* using flags. |
* |
* The page table must be locked and interrupts must be disabled. |
* |
* @param as Address space to wich page belongs. |
* @param page Virtual address of the page to be mapped. |
* @param frame Physical address of memory frame to which the mapping is done. |
* @param flags Flags to be used for mapping. |
*/ |
void pt_mapping_insert(as_t *as, uintptr_t page, uintptr_t frame, int flags) |
{ |
pte_t *ptl0, *ptl1, *ptl2, *ptl3; |
pte_t *newpt; |
ptl0 = (pte_t *) PA2KA((uintptr_t) as->genarch.page_table); |
if (GET_PTL1_FLAGS(ptl0, PTL0_INDEX(page)) & PAGE_NOT_PRESENT) { |
newpt = (pte_t *)frame_alloc(PTL1_SIZE, FRAME_KA); |
memsetb(newpt, FRAME_SIZE << PTL1_SIZE, 0); |
SET_PTL1_ADDRESS(ptl0, PTL0_INDEX(page), KA2PA(newpt)); |
SET_PTL1_FLAGS(ptl0, PTL0_INDEX(page), PAGE_PRESENT | PAGE_USER | PAGE_EXEC | PAGE_CACHEABLE | PAGE_WRITE); |
} |
ptl1 = (pte_t *) PA2KA(GET_PTL1_ADDRESS(ptl0, PTL0_INDEX(page))); |
if (GET_PTL2_FLAGS(ptl1, PTL1_INDEX(page)) & PAGE_NOT_PRESENT) { |
newpt = (pte_t *)frame_alloc(PTL2_SIZE, FRAME_KA); |
memsetb(newpt, FRAME_SIZE << PTL2_SIZE, 0); |
SET_PTL2_ADDRESS(ptl1, PTL1_INDEX(page), KA2PA(newpt)); |
SET_PTL2_FLAGS(ptl1, PTL1_INDEX(page), PAGE_PRESENT | PAGE_USER | PAGE_EXEC | PAGE_CACHEABLE | PAGE_WRITE); |
} |
ptl2 = (pte_t *) PA2KA(GET_PTL2_ADDRESS(ptl1, PTL1_INDEX(page))); |
if (GET_PTL3_FLAGS(ptl2, PTL2_INDEX(page)) & PAGE_NOT_PRESENT) { |
newpt = (pte_t *)frame_alloc(PTL3_SIZE, FRAME_KA); |
memsetb(newpt, FRAME_SIZE << PTL3_SIZE, 0); |
SET_PTL3_ADDRESS(ptl2, PTL2_INDEX(page), KA2PA(newpt)); |
SET_PTL3_FLAGS(ptl2, PTL2_INDEX(page), PAGE_PRESENT | PAGE_USER | PAGE_EXEC | PAGE_CACHEABLE | PAGE_WRITE); |
} |
ptl3 = (pte_t *) PA2KA(GET_PTL3_ADDRESS(ptl2, PTL2_INDEX(page))); |
SET_FRAME_ADDRESS(ptl3, PTL3_INDEX(page), frame); |
SET_FRAME_FLAGS(ptl3, PTL3_INDEX(page), flags); |
} |
/** Remove mapping of page from hierarchical page tables. |
* |
* Remove any mapping of page within address space as. |
* TLB shootdown should follow in order to make effects of |
* this call visible. |
* |
* Empty page tables except PTL0 are freed. |
* |
* The page table must be locked and interrupts must be disabled. |
* |
* @param as Address space to wich page belongs. |
* @param page Virtual address of the page to be demapped. |
*/ |
void pt_mapping_remove(as_t *as, uintptr_t page) |
{ |
pte_t *ptl0, *ptl1, *ptl2, *ptl3; |
bool empty = true; |
int i; |
/* |
* First, remove the mapping, if it exists. |
*/ |
ptl0 = (pte_t *) PA2KA((uintptr_t) as->genarch.page_table); |
if (GET_PTL1_FLAGS(ptl0, PTL0_INDEX(page)) & PAGE_NOT_PRESENT) |
return; |
ptl1 = (pte_t *) PA2KA(GET_PTL1_ADDRESS(ptl0, PTL0_INDEX(page))); |
if (GET_PTL2_FLAGS(ptl1, PTL1_INDEX(page)) & PAGE_NOT_PRESENT) |
return; |
ptl2 = (pte_t *) PA2KA(GET_PTL2_ADDRESS(ptl1, PTL1_INDEX(page))); |
if (GET_PTL3_FLAGS(ptl2, PTL2_INDEX(page)) & PAGE_NOT_PRESENT) |
return; |
ptl3 = (pte_t *) PA2KA(GET_PTL3_ADDRESS(ptl2, PTL2_INDEX(page))); |
/* Destroy the mapping. Setting to PAGE_NOT_PRESENT is not sufficient. */ |
memsetb(&ptl3[PTL3_INDEX(page)], sizeof(pte_t), 0); |
/* |
* Second, free all empty tables along the way from PTL3 down to PTL0. |
*/ |
/* check PTL3 */ |
for (i = 0; i < PTL3_ENTRIES; i++) { |
if (PTE_VALID(&ptl3[i])) { |
empty = false; |
break; |
} |
} |
if (empty) { |
/* |
* PTL3 is empty. |
* Release the frame and remove PTL3 pointer from preceding table. |
*/ |
frame_free(KA2PA((uintptr_t) ptl3)); |
if (PTL2_ENTRIES) |
memsetb(&ptl2[PTL2_INDEX(page)], sizeof(pte_t), 0); |
else if (PTL1_ENTRIES) |
memsetb(&ptl1[PTL1_INDEX(page)], sizeof(pte_t), 0); |
else |
memsetb(&ptl0[PTL0_INDEX(page)], sizeof(pte_t), 0); |
} else { |
/* |
* PTL3 is not empty. |
* Therefore, there must be a path from PTL0 to PTL3 and |
* thus nothing to free in higher levels. |
*/ |
return; |
} |
/* check PTL2, empty is still true */ |
if (PTL2_ENTRIES) { |
for (i = 0; i < PTL2_ENTRIES; i++) { |
if (PTE_VALID(&ptl2[i])) { |
empty = false; |
break; |
} |
} |
if (empty) { |
/* |
* PTL2 is empty. |
* Release the frame and remove PTL2 pointer from preceding table. |
*/ |
frame_free(KA2PA((uintptr_t) ptl2)); |
if (PTL1_ENTRIES) |
memsetb(&ptl1[PTL1_INDEX(page)], sizeof(pte_t), 0); |
else |
memsetb(&ptl0[PTL0_INDEX(page)], sizeof(pte_t), 0); |
} |
else { |
/* |
* PTL2 is not empty. |
* Therefore, there must be a path from PTL0 to PTL2 and |
* thus nothing to free in higher levels. |
*/ |
return; |
} |
} |
/* check PTL1, empty is still true */ |
if (PTL1_ENTRIES) { |
for (i = 0; i < PTL1_ENTRIES; i++) { |
if (PTE_VALID(&ptl1[i])) { |
empty = false; |
break; |
} |
} |
if (empty) { |
/* |
* PTL1 is empty. |
* Release the frame and remove PTL1 pointer from preceding table. |
*/ |
frame_free(KA2PA((uintptr_t) ptl1)); |
memsetb(&ptl0[PTL0_INDEX(page)], sizeof(pte_t), 0); |
} |
} |
} |
/** Find mapping for virtual page in hierarchical page tables. |
* |
* Find mapping for virtual page. |
* |
* The page table must be locked and interrupts must be disabled. |
* |
* @param as Address space to which page belongs. |
* @param page Virtual page. |
* |
* @return NULL if there is no such mapping; entry from PTL3 describing the mapping otherwise. |
*/ |
pte_t *pt_mapping_find(as_t *as, uintptr_t page) |
{ |
pte_t *ptl0, *ptl1, *ptl2, *ptl3; |
ptl0 = (pte_t *) PA2KA((uintptr_t) as->genarch.page_table); |
if (GET_PTL1_FLAGS(ptl0, PTL0_INDEX(page)) & PAGE_NOT_PRESENT) |
return NULL; |
ptl1 = (pte_t *) PA2KA(GET_PTL1_ADDRESS(ptl0, PTL0_INDEX(page))); |
if (GET_PTL2_FLAGS(ptl1, PTL1_INDEX(page)) & PAGE_NOT_PRESENT) |
return NULL; |
ptl2 = (pte_t *) PA2KA(GET_PTL2_ADDRESS(ptl1, PTL1_INDEX(page))); |
if (GET_PTL3_FLAGS(ptl2, PTL2_INDEX(page)) & PAGE_NOT_PRESENT) |
return NULL; |
ptl3 = (pte_t *) PA2KA(GET_PTL3_ADDRESS(ptl2, PTL2_INDEX(page))); |
return &ptl3[PTL3_INDEX(page)]; |
} |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/mm/asid_fifo.c |
---|
0,0 → 1,97 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarchmm |
* @{ |
*/ |
/** |
* @file |
* @brief FIFO queue ASID management. |
* |
* Architectures that link with this file keep the unallocated ASIDs |
* in FIFO queue. The queue can be statically (e.g. mips32) or |
* dynamically allocated (e.g ia64 and sparc64). |
*/ |
#include <genarch/mm/asid_fifo.h> |
#include <arch/mm/asid.h> |
#include <mm/asid.h> |
#include <adt/fifo.h> |
#define FIFO_STATIC_LIMIT 1024 |
#define FIFO_STATIC (ASIDS_ALLOCABLE<FIFO_STATIC_LIMIT) |
/** |
* FIFO queue containing unassigned ASIDs. |
* Can be only accessed when asidlock is held. |
*/ |
#if FIFO_STATIC |
FIFO_INITIALIZE_STATIC(free_asids, asid_t, ASIDS_ALLOCABLE); |
#else |
FIFO_INITIALIZE_DYNAMIC(free_asids, asid_t, ASIDS_ALLOCABLE); |
#endif |
/** Initialize data structures for O(1) ASID allocation and deallocation. */ |
void asid_fifo_init(void) |
{ |
int i; |
#if (!FIFO_STATIC) |
fifo_create(free_asids); |
#endif |
for (i = 0; i < ASIDS_ALLOCABLE; i++) { |
fifo_push(free_asids, ASID_START + i); |
} |
} |
/** Allocate free ASID. |
* |
* Allocation runs in O(1). |
* |
* @return Free ASID. |
*/ |
asid_t asid_find_free(void) |
{ |
return fifo_pop(free_asids); |
} |
/** Return ASID among free ASIDs. |
* |
* This operation runs in O(1). |
* |
* @param asid ASID being freed. |
*/ |
void asid_put_arch(asid_t asid) |
{ |
fifo_push(free_asids, asid); |
} |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/kbrd/kbrd.c |
---|
0,0 → 1,191 |
/* |
* Copyright (c) 2009 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** |
* @file |
* @brief Keyboard processing. |
*/ |
#include <genarch/kbrd/kbrd.h> |
#include <genarch/kbrd/scanc.h> |
#ifdef CONFIG_PC_KBD |
#include <genarch/kbrd/scanc_pc.h> |
#endif |
#ifdef CONFIG_SUN_KBD |
#include <genarch/kbrd/scanc_sun.h> |
#endif |
#ifdef CONFIG_MAC_KBD |
#include <genarch/kbrd/scanc_mac.h> |
#endif |
#include <synch/spinlock.h> |
#include <console/chardev.h> |
#include <console/console.h> |
#include <proc/thread.h> |
#include <arch.h> |
#include <macros.h> |
#define IGNORE_CODE 0x7f |
#define KEY_RELEASE 0x80 |
#define PRESSED_SHIFT (1 << 0) |
#define PRESSED_CAPSLOCK (1 << 1) |
#define LOCKED_CAPSLOCK (1 << 0) |
static indev_operations_t kbrd_raw_ops = { |
.poll = NULL |
}; |
/** Process release of key. |
* |
* @param sc Scancode of the key being released. |
*/ |
static void key_released(kbrd_instance_t *instance, wchar_t sc) |
{ |
spinlock_lock(&instance->keylock); |
switch (sc) { |
case SC_LSHIFT: |
case SC_RSHIFT: |
instance->keyflags &= ~PRESSED_SHIFT; |
break; |
case SC_CAPSLOCK: |
instance->keyflags &= ~PRESSED_CAPSLOCK; |
if (instance->lockflags & LOCKED_CAPSLOCK) |
instance->lockflags &= ~LOCKED_CAPSLOCK; |
else |
instance->lockflags |= LOCKED_CAPSLOCK; |
break; |
default: |
break; |
} |
spinlock_unlock(&instance->keylock); |
} |
/** Process keypress. |
* |
* @param sc Scancode of the key being pressed. |
*/ |
static void key_pressed(kbrd_instance_t *instance, wchar_t sc) |
{ |
bool letter; |
bool shift; |
bool capslock; |
spinlock_lock(&instance->keylock); |
switch (sc) { |
case SC_LSHIFT: |
case SC_RSHIFT: |
instance->keyflags |= PRESSED_SHIFT; |
break; |
case SC_CAPSLOCK: |
instance->keyflags |= PRESSED_CAPSLOCK; |
break; |
case SC_SCAN_ESCAPE: |
break; |
default: |
letter = islower(sc_primary_map[sc]); |
shift = instance->keyflags & PRESSED_SHIFT; |
capslock = (instance->keyflags & PRESSED_CAPSLOCK) || |
(instance->lockflags & LOCKED_CAPSLOCK); |
if ((letter) && (capslock)) |
shift = !shift; |
if (shift) |
indev_push_character(instance->sink, sc_secondary_map[sc]); |
else |
indev_push_character(instance->sink, sc_primary_map[sc]); |
break; |
} |
spinlock_unlock(&instance->keylock); |
} |
static void kkbrd(void *arg) |
{ |
kbrd_instance_t *instance = (kbrd_instance_t *) arg; |
while (true) { |
wchar_t sc = indev_pop_character(&instance->raw); |
if (sc == IGNORE_CODE) |
continue; |
if (sc & KEY_RELEASE) |
key_released(instance, (sc ^ KEY_RELEASE) & 0x7f); |
else |
key_pressed(instance, sc & 0x7f); |
} |
} |
kbrd_instance_t *kbrd_init(void) |
{ |
kbrd_instance_t *instance |
= malloc(sizeof(kbrd_instance_t), FRAME_ATOMIC); |
if (instance) { |
instance->thread |
= thread_create(kkbrd, (void *) instance, TASK, 0, "kkbrd", false); |
if (!instance->thread) { |
free(instance); |
return NULL; |
} |
instance->sink = NULL; |
indev_initialize("kbrd", &instance->raw, &kbrd_raw_ops); |
spinlock_initialize(&instance->keylock, "instance_keylock"); |
instance->keyflags = 0; |
instance->lockflags = 0; |
} |
return instance; |
} |
indev_t *kbrd_wire(kbrd_instance_t *instance, indev_t *sink) |
{ |
ASSERT(instance); |
ASSERT(sink); |
instance->sink = sink; |
thread_ready(instance->thread); |
return &instance->raw; |
} |
/** @} |
*/ |
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/genarch/src/kbrd/scanc_mac.c |
---|
0,0 → 1,306 |
/* |
* Copyright (c) 2009 Jiri Svoboda |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** |
* @file |
* @brief Scan codes for Macintosh ADB keyboards. |
*/ |
#include <genarch/kbrd/scanc.h> |
#include <typedefs.h> |
#include <string.h> |
/** Primary meaning of scancodes. */ |
wchar_t sc_primary_map[SCANCODES] = { |
[0x00] = 'a', |
[0x01] = 's', |
[0x02] = 'd', |
[0x03] = 'f', |
[0x04] = 'h', |
[0x05] = 'g', |
[0x06] = 'z', |
[0x07] = 'x', |
[0x08] = 'c', |
[0x09] = 'v', |
[0x0a] = U_SPECIAL, |
[0x0b] = 'b', |
[0x0c] = 'q', |
[0x0d] = 'w', |
[0x0e] = 'e', |
[0x0f] = 'r', |
[0x10] = 'y', |
[0x11] = 't', |
[0x12] = '1', |
[0x13] = '2', |
[0x14] = '3', |
[0x15] = '4', |
[0x16] = '6', |
[0x17] = '5', |
[0x18] = '=', |
[0x19] = '9', |
[0x1a] = '7', |
[0x1b] = '-', |
[0x1c] = '8', |
[0x1d] = '0', |
[0x1e] = ']', |
[0x1f] = 'o', |
[0x20] = 'u', |
[0x21] = '[', |
[0x22] = 'i', |
[0x23] = 'p', |
[0x24] = '\n', /* Enter */ |
[0x25] = 'l', |
[0x26] = 'j', |
[0x27] = '\'', |
[0x28] = 'k', |
[0x29] = ';', |
[0x2a] = '\\', |
[0x2b] = ',', |
[0x2c] = '/', |
[0x2d] = 'n', |
[0x2e] = 'm', |
[0x2f] = '.', |
[0x30] = '\t', /* Tab */ |
[0x31] = ' ', /* Space */ |
[0x32] = '`', |
[0x33] = '\b', /* Backspace */ |
[0x34] = U_SPECIAL, |
[0x35] = U_ESCAPE, |
[0x36] = U_SPECIAL, |
[0x37] = U_SPECIAL, |
[0x38] = U_SPECIAL, |
[0x39] = U_SPECIAL, |
[0x3a] = U_SPECIAL, |
[0x3b] = U_LEFT_ARROW, |
[0x3c] = U_RIGHT_ARROW, |
[0x3d] = U_DOWN_ARROW, |
[0x3e] = U_UP_ARROW, |
[0x3f] = U_SPECIAL, |
[0x40] = U_SPECIAL, |
[0x41] = '.', /* Num Separator */ |
[0x42] = U_SPECIAL, |
[0x43] = '*', /* Num Times */ |
[0x44] = U_SPECIAL, |
[0x45] = '+', /* Num Plus */ |
[0x46] = U_SPECIAL, |
[0x47] = U_SPECIAL, |
[0x48] = U_SPECIAL, |
[0x49] = U_SPECIAL, |
[0x4a] = U_SPECIAL, |
[0x4b] = '/', /* Num Divide */ |
[0x4c] = U_SPECIAL, |
[0x4d] = U_SPECIAL, |
[0x4e] = '-', /* Num Minus */ |
[0x4f] = U_SPECIAL, |
[0x50] = U_SPECIAL, |
[0x51] = U_SPECIAL, |
[0x52] = '0', /* Num Zero */ |
[0x53] = '1', /* Num One */ |
[0x54] = '2', /* Num Two */ |
[0x55] = '3', /* Num Three */ |
[0x56] = '4', /* Num Four */ |
[0x57] = '5', /* Num Five */ |
[0x58] = '6', /* Num Six */ |
[0x59] = '7', /* Num Seven */ |
[0x5a] = U_SPECIAL, |
[0x5b] = '8', /* Num Eight */ |
[0x5c] = '9', /* Num Nine */ |
[0x5d] = U_SPECIAL, |
[0x5e] = U_SPECIAL, |
[0x5f] = U_SPECIAL, |
[0x60] = U_SPECIAL, |
[0x61] = U_SPECIAL, |
[0x62] = U_SPECIAL, |
[0x63] = U_SPECIAL, |
[0x64] = U_SPECIAL, |
[0x65] = U_SPECIAL, |
[0x66] = U_SPECIAL, |
[0x67] = U_SPECIAL, |
[0x68] = U_SPECIAL, |
[0x69] = U_SPECIAL, |
[0x6a] = U_SPECIAL, |
[0x6b] = U_SPECIAL, |
[0x6c] = U_SPECIAL, |
[0x6d] = U_SPECIAL, |
[0x6e] = U_SPECIAL, |
[0x6f] = U_SPECIAL, |
[0x70] = U_SPECIAL, |
[0x71] = U_SPECIAL, |
[0x72] = U_SPECIAL, |
[0x73] = U_HOME_ARROW, |
[0x74] = U_PAGE_UP, |
[0x75] = U_DELETE, |
[0x76] = U_SPECIAL, |
[0x77] = U_SPECIAL, |
[0x78] = U_SPECIAL, |
[0x79] = U_PAGE_DOWN, |
[0x7a] = U_SPECIAL, |
[0x7b] = U_SPECIAL, |
[0x7c] = U_SPECIAL, |
[0x7d] = U_SPECIAL, |
[0x7e] = U_SPECIAL, |
[0x7f] = U_SPECIAL |
}; |
/** Secondary meaning of scancodes. */ |
wchar_t sc_secondary_map[SCANCODES] = { |
[0x00] = 'A', |
[0x01] = 'S', |
[0x02] = 'D', |
[0x03] = 'F', |
[0x04] = 'H', |
[0x05] = 'G', |
[0x06] = 'Z', |
[0x07] = 'X', |
[0x08] = 'C', |
[0x09] = 'V', |
[0x0a] = U_SPECIAL, |
[0x0b] = 'B', |
[0x0c] = 'Q', |
[0x0d] = 'W', |
[0x0e] = 'E', |
[0x0f] = 'R', |
[0x10] = 'Y', |
[0x11] = 'T', |
[0x12] = '!', |
[0x13] = '@', |
[0x14] = '#', |
[0x15] = '$', |
[0x16] = '^', |
[0x17] = '%', |
[0x18] = '+', |
[0x19] = '(', |
[0x1a] = '&', |
[0x1b] = '_', |
[0x1c] = '*', |
[0x1d] = ')', |
[0x1e] = '}', |
[0x1f] = 'O', |
[0x20] = 'U', |
[0x21] = '{', |
[0x22] = 'I', |
[0x23] = 'P', |
[0x24] = '\n', /* Enter */ |
[0x25] = 'L', |
[0x26] = 'J', |
[0x27] = '"', |
[0x28] = 'K', |
[0x29] = ':', |
[0x2a] = '|', |
[0x2b] = '<', |
[0x2c] = '?', |
[0x2d] = 'N', |
[0x2e] = 'M', |
[0x2f] = '>', |
[0x30] = '\t', /* Tab */ |
[0x31] = ' ', /* Space */ |
[0x32] = '~', |
[0x33] = '\b', /* Backspace */ |
[0x34] = U_SPECIAL, |
[0x35] = U_SPECIAL, |
[0x36] = U_SPECIAL, |
[0x37] = U_SPECIAL, |
[0x38] = U_SPECIAL, |
[0x39] = U_SPECIAL, |
[0x3a] = U_SPECIAL, |
[0x3b] = U_SPECIAL, |
[0x3c] = U_SPECIAL, |
[0x3d] = U_SPECIAL, |
[0x3e] = U_SPECIAL, |
[0x3f] = U_SPECIAL, |
[0x40] = U_SPECIAL, |
[0x41] = '.', /* Num Separator */ |
[0x42] = U_SPECIAL, |
[0x43] = '*', /* Num Times */ |
[0x44] = U_SPECIAL, |
[0x45] = '+', /* Num Plus */ |
[0x46] = U_SPECIAL, |
[0x47] = U_SPECIAL, |
[0x48] = U_SPECIAL, |
[0x49] = U_SPECIAL, |
[0x4a] = U_SPECIAL, |
[0x4b] = '/', /* Num Divide */ |
[0x4c] = U_SPECIAL, |
[0x4d] = U_SPECIAL, |
[0x4e] = '-', /* Num Minus */ |
[0x4f] = U_SPECIAL, |
[0x50] = U_SPECIAL, |
[0x51] = U_SPECIAL, |
[0x52] = '0', /* Num Zero */ |
[0x53] = '1', /* Num One */ |
[0x54] = '2', /* Num Two */ |
[0x55] = '3', /* Num Three */ |
[0x56] = '4', /* Num Four */ |
[0x57] = '5', /* Num Five */ |
[0x58] = '6', /* Num Six */ |
[0x59] = '7', /* Num Seven */ |
[0x5a] = U_SPECIAL, |
[0x5b] = '8', /* Num Eight */ |
[0x5c] = '9', /* Num Nine */ |
[0x5d] = U_SPECIAL, |
[0x5e] = U_SPECIAL, |
[0x5f] = U_SPECIAL, |
[0x60] = U_SPECIAL, |
[0x61] = U_SPECIAL, |
[0x62] = U_SPECIAL, |
[0x63] = U_SPECIAL, |
[0x64] = U_SPECIAL, |
[0x65] = U_SPECIAL, |
[0x66] = U_SPECIAL, |
[0x67] = U_SPECIAL, |
[0x68] = U_SPECIAL, |
[0x69] = U_SPECIAL, |
[0x6a] = U_SPECIAL, |
[0x6b] = U_SPECIAL, |
[0x6c] = U_SPECIAL, |
[0x6d] = U_SPECIAL, |
[0x6e] = U_SPECIAL, |
[0x6f] = U_SPECIAL, |
[0x70] = U_SPECIAL, |
[0x71] = U_SPECIAL, |
[0x72] = U_SPECIAL, |
[0x73] = U_SPECIAL, |
[0x74] = U_SPECIAL, |
[0x75] = U_SPECIAL, |
[0x76] = U_SPECIAL, |
[0x77] = U_SPECIAL, |
[0x78] = U_SPECIAL, |
[0x79] = U_SPECIAL, |
[0x7a] = U_SPECIAL, |
[0x7b] = U_SPECIAL, |
[0x7c] = U_SPECIAL, |
[0x7d] = U_SPECIAL, |
[0x7e] = U_SPECIAL, |
[0x7f] = U_SPECIAL |
}; |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/kbrd/scanc_pc.c |
---|
0,0 → 1,221 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** |
* @file |
* @brief Scan codes for PC keyboards. |
*/ |
#include <genarch/kbrd/scanc.h> |
#include <typedefs.h> |
#include <string.h> |
/** Primary meaning of scancodes. */ |
wchar_t sc_primary_map[SCANCODES] = { |
U_NULL, /* 0x00 - undefined */ |
U_ESCAPE, /* 0x01 - Esc */ |
'1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', |
'\b', /* 0x0e - Backspace */ |
'\t', /* 0x0f - Tab */ |
'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', |
'\n', /* 0x1e - Enter */ |
U_SPECIAL, /* 0x1d - Left Ctrl */ |
'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`', |
U_SPECIAL, /* 0x2a - Left Shift */ |
'\\', 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', |
U_SPECIAL, /* 0x36 - Right Shift */ |
U_SPECIAL, /* 0x37 - Print Screen */ |
U_SPECIAL, /* 0x38 - Left Alt */ |
' ', |
U_SPECIAL, /* 0x3a - CapsLock */ |
U_SPECIAL, /* 0x3b - F1 */ |
U_SPECIAL, /* 0x3c - F2 */ |
U_SPECIAL, /* 0x3d - F3 */ |
U_SPECIAL, /* 0x3e - F4 */ |
U_SPECIAL, /* 0x3f - F5 */ |
U_SPECIAL, /* 0x40 - F6 */ |
U_SPECIAL, /* 0x41 - F7 */ |
U_SPECIAL, /* 0x42 - F8 */ |
U_SPECIAL, /* 0x43 - F9 */ |
U_SPECIAL, /* 0x44 - F10 */ |
U_SPECIAL, /* 0x45 - NumLock */ |
U_SPECIAL, /* 0x46 - ScrollLock */ |
U_HOME_ARROW, /* 0x47 - Home */ |
U_UP_ARROW, /* 0x48 - Up Arrow */ |
U_PAGE_UP, /* 0x49 - Page Up */ |
'-', |
U_LEFT_ARROW, /* 0x4b - Left Arrow */ |
'5', /* 0x4c - Numpad Center */ |
U_RIGHT_ARROW, /* 0x4d - Right Arrow */ |
'+', |
U_END_ARROW, /* 0x4f - End */ |
U_DOWN_ARROW, /* 0x50 - Down Arrow */ |
U_PAGE_DOWN, /* 0x51 - Page Down */ |
'0', /* 0x52 - Numpad Insert */ |
U_DELETE, /* 0x53 - Delete */ |
U_SPECIAL, /* 0x54 - Alt-SysRq */ |
U_SPECIAL, /* 0x55 - F11/F12/PF1/FN */ |
U_SPECIAL, /* 0x56 - unlabelled key next to LAlt */ |
U_SPECIAL, /* 0x57 - F11 */ |
U_SPECIAL, /* 0x58 - F12 */ |
U_SPECIAL, /* 0x59 */ |
U_SPECIAL, /* 0x5a */ |
U_SPECIAL, /* 0x5b */ |
U_SPECIAL, /* 0x5c */ |
U_SPECIAL, /* 0x5d */ |
U_SPECIAL, /* 0x5e */ |
U_SPECIAL, /* 0x5f */ |
U_SPECIAL, /* 0x60 */ |
U_SPECIAL, /* 0x61 */ |
U_SPECIAL, /* 0x62 */ |
U_SPECIAL, /* 0x63 */ |
U_SPECIAL, /* 0x64 */ |
U_SPECIAL, /* 0x65 */ |
U_SPECIAL, /* 0x66 */ |
U_SPECIAL, /* 0x67 */ |
U_SPECIAL, /* 0x68 */ |
U_SPECIAL, /* 0x69 */ |
U_SPECIAL, /* 0x6a */ |
U_SPECIAL, /* 0x6b */ |
U_SPECIAL, /* 0x6c */ |
U_SPECIAL, /* 0x6d */ |
U_SPECIAL, /* 0x6e */ |
U_SPECIAL, /* 0x6f */ |
U_SPECIAL, /* 0x70 */ |
U_SPECIAL, /* 0x71 */ |
U_SPECIAL, /* 0x72 */ |
U_SPECIAL, /* 0x73 */ |
U_SPECIAL, /* 0x74 */ |
U_SPECIAL, /* 0x75 */ |
U_SPECIAL, /* 0x76 */ |
U_SPECIAL, /* 0x77 */ |
U_SPECIAL, /* 0x78 */ |
U_SPECIAL, /* 0x79 */ |
U_SPECIAL, /* 0x7a */ |
U_SPECIAL, /* 0x7b */ |
U_SPECIAL, /* 0x7c */ |
U_SPECIAL, /* 0x7d */ |
U_SPECIAL, /* 0x7e */ |
U_SPECIAL /* 0x7f */ |
}; |
/** Secondary meaning of scancodes. */ |
wchar_t sc_secondary_map[SCANCODES] = { |
U_NULL, /* 0x00 - undefined */ |
U_ESCAPE, /* 0x01 - Esc */ |
'!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+', |
'\b', /* 0x0e - Backspace */ |
'\t', /* 0x0f - Tab */ |
'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', |
'\n', /* 0x1e - Enter */ |
U_SPECIAL, /* 0x1d - Left Ctrl */ |
'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '"', '~', |
U_SPECIAL, /* 0x2a - Left Shift */ |
'|', 'Z', 'X', 'C', 'V', 'B', 'N', 'M', '<', '>', '?', |
U_SPECIAL, /* 0x36 - Right Shift */ |
U_SPECIAL, /* 0x37 - Print Screen */ |
U_SPECIAL, /* 0x38 - Left Alt */ |
' ', |
U_SPECIAL, /* 0x3a - CapsLock */ |
U_SPECIAL, /* 0x3b - F1 */ |
U_SPECIAL, /* 0x3c - F2 */ |
U_SPECIAL, /* 0x3d - F3 */ |
U_SPECIAL, /* 0x3e - F4 */ |
U_SPECIAL, /* 0x3f - F5 */ |
U_SPECIAL, /* 0x40 - F6 */ |
U_SPECIAL, /* 0x41 - F7 */ |
U_SPECIAL, /* 0x42 - F8 */ |
U_SPECIAL, /* 0x43 - F9 */ |
U_SPECIAL, /* 0x44 - F10 */ |
U_SPECIAL, /* 0x45 - NumLock */ |
U_SPECIAL, /* 0x46 - ScrollLock */ |
U_HOME_ARROW, /* 0x47 - Home */ |
U_UP_ARROW, /* 0x48 - Up Arrow */ |
U_PAGE_UP, /* 0x49 - Page Up */ |
'-', |
U_LEFT_ARROW, /* 0x4b - Left Arrow */ |
'5', /* 0x4c - Numpad Center */ |
U_RIGHT_ARROW, /* 0x4d - Right Arrow */ |
'+', |
U_END_ARROW, /* 0x4f - End */ |
U_DOWN_ARROW, /* 0x50 - Down Arrow */ |
U_PAGE_DOWN, /* 0x51 - Page Down */ |
'0', /* 0x52 - Numpad Insert */ |
U_DELETE, /* 0x53 - Delete */ |
U_SPECIAL, /* 0x54 - Alt-SysRq */ |
U_SPECIAL, /* 0x55 - F11/F12/PF1/FN */ |
U_SPECIAL, /* 0x56 - unlabelled key next to LAlt */ |
U_SPECIAL, /* 0x57 - F11 */ |
U_SPECIAL, /* 0x58 - F12 */ |
U_SPECIAL, /* 0x59 */ |
U_SPECIAL, /* 0x5a */ |
U_SPECIAL, /* 0x5b */ |
U_SPECIAL, /* 0x5c */ |
U_SPECIAL, /* 0x5d */ |
U_SPECIAL, /* 0x5e */ |
U_SPECIAL, /* 0x5f */ |
U_SPECIAL, /* 0x60 */ |
U_SPECIAL, /* 0x61 */ |
U_SPECIAL, /* 0x62 */ |
U_SPECIAL, /* 0x63 */ |
U_SPECIAL, /* 0x64 */ |
U_SPECIAL, /* 0x65 */ |
U_SPECIAL, /* 0x66 */ |
U_SPECIAL, /* 0x67 */ |
U_SPECIAL, /* 0x68 */ |
U_SPECIAL, /* 0x69 */ |
U_SPECIAL, /* 0x6a */ |
U_SPECIAL, /* 0x6b */ |
U_SPECIAL, /* 0x6c */ |
U_SPECIAL, /* 0x6d */ |
U_SPECIAL, /* 0x6e */ |
U_SPECIAL, /* 0x6f */ |
U_SPECIAL, /* 0x70 */ |
U_SPECIAL, /* 0x71 */ |
U_SPECIAL, /* 0x72 */ |
U_SPECIAL, /* 0x73 */ |
U_SPECIAL, /* 0x74 */ |
U_SPECIAL, /* 0x75 */ |
U_SPECIAL, /* 0x76 */ |
U_SPECIAL, /* 0x77 */ |
U_SPECIAL, /* 0x78 */ |
U_SPECIAL, /* 0x79 */ |
U_SPECIAL, /* 0x7a */ |
U_SPECIAL, /* 0x7b */ |
U_SPECIAL, /* 0x7c */ |
U_SPECIAL, /* 0x7d */ |
U_SPECIAL, /* 0x7e */ |
U_SPECIAL /* 0x7f */ |
}; |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/kbrd/scanc_sun.c |
---|
0,0 → 1,306 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** |
* @file |
* @brief Scan codes for Sun keyboards. |
*/ |
#include <genarch/kbrd/scanc.h> |
#include <typedefs.h> |
#include <string.h> |
/** Primary meaning of scancodes. */ |
wchar_t sc_primary_map[SCANCODES] = { |
[0x00] = U_SPECIAL, |
[0x01] = U_SPECIAL, |
[0x02] = U_SPECIAL, |
[0x03] = U_SPECIAL, |
[0x04] = U_SPECIAL, |
[0x05] = U_SPECIAL, /* F1 */ |
[0x06] = U_SPECIAL, /* F2 */ |
[0x07] = U_SPECIAL, /* F10 */ |
[0x08] = U_SPECIAL, /* F3 */ |
[0x09] = U_SPECIAL, /* F11 */ |
[0x0a] = U_SPECIAL, /* F4 */ |
[0x0b] = U_SPECIAL, /* F12 */ |
[0x0c] = U_SPECIAL, /* F5 */ |
[0x0d] = U_SPECIAL, /* Right Alt */ |
[0x0e] = U_SPECIAL, /* F6 */ |
[0x0f] = U_SPECIAL, |
[0x10] = U_SPECIAL, /* F7 */ |
[0x11] = U_SPECIAL, /* F8 */ |
[0x12] = U_SPECIAL, /* F9 */ |
[0x13] = U_SPECIAL, /* Left Alt */ |
[0x14] = U_UP_ARROW, /* Up Arrow */ |
[0x15] = U_SPECIAL, /* Pause */ |
[0x16] = U_SPECIAL, |
[0x17] = U_SPECIAL, /* Scroll Lock */ |
[0x18] = U_LEFT_ARROW, /* Left Arrow */ |
[0x19] = U_SPECIAL, |
[0x1a] = U_SPECIAL, |
[0x1b] = U_DOWN_ARROW, /* Down Arrow */ |
[0x1c] = U_RIGHT_ARROW, /* Right Arrow */ |
[0x1d] = U_ESCAPE, /* Esc */ |
[0x1e] = '1', |
[0x1f] = '2', |
[0x20] = '3', |
[0x21] = '4', |
[0x22] = '5', |
[0x23] = '6', |
[0x24] = '7', |
[0x25] = '8', |
[0x26] = '9', |
[0x27] = '0', |
[0x28] = '-', |
[0x29] = '=', |
[0x2a] = '`', |
[0x2b] = '\b', /* Backspace */ |
[0x2c] = U_SPECIAL, /* Insert */ |
[0x2d] = U_SPECIAL, |
[0x2e] = '/', /* Numpad / */ |
[0x2f] = '*', /* Numpad * */ |
[0x30] = U_SPECIAL, |
[0x31] = U_SPECIAL, |
[0x32] = '.', /* Numpad . */ |
[0x33] = U_SPECIAL, |
[0x34] = U_HOME_ARROW, /* Home */ |
[0x35] = '\t', /* Tab */ |
[0x36] = 'q', |
[0x37] = 'w', |
[0x38] = 'e', |
[0x39] = 'r', |
[0x3a] = 't', |
[0x3b] = 'y', |
[0x3c] = 'u', |
[0x3d] = 'i', |
[0x3e] = 'o', |
[0x3f] = 'p', |
[0x40] = '[', |
[0x41] = ']', |
[0x42] = U_DELETE, /* Delete */ |
[0x43] = U_SPECIAL, |
[0x44] = '7', /* Numpad 7 */ |
[0x45] = '8', /* Numpad 8 */ |
[0x46] = '9', /* Numpad 9 */ |
[0x47] = '-', /* Numpad - */ |
[0x48] = U_SPECIAL, |
[0x49] = U_SPECIAL, |
[0x4a] = U_END_ARROW, /* End */ |
[0x4b] = U_SPECIAL, |
[0x4c] = U_SPECIAL, /* Control */ |
[0x4d] = 'a', |
[0x4e] = 's', |
[0x4f] = 'd', |
[0x50] = 'f', |
[0x51] = 'g', |
[0x52] = 'h', |
[0x53] = 'j', |
[0x54] = 'k', |
[0x55] = 'l', |
[0x56] = ';', |
[0x57] = '\'', |
[0x58] = '\\', |
[0x59] = '\n', /* Enter */ |
[0x5a] = '\n', /* Numpad Enter */ |
[0x5b] = '4', /* Numpad 4 */ |
[0x5c] = '5', /* Numpad 5 */ |
[0x5d] = '6', /* Numpad 6 */ |
[0x5e] = '0', /* Numpad 0 */ |
[0x5f] = U_SPECIAL, |
[0x60] = U_PAGE_UP, /* Page Up */ |
[0x61] = U_SPECIAL, |
[0x62] = U_SPECIAL, /* NumLock */ |
[0x63] = U_SPECIAL, /* Left Shift */ |
[0x64] = 'z', |
[0x65] = 'x', |
[0x66] = 'c', |
[0x67] = 'v', |
[0x68] = 'b', |
[0x69] = 'n', |
[0x6a] = 'm', |
[0x6b] = ',', |
[0x6c] = '.', |
[0x6d] = '/', |
[0x6e] = U_SPECIAL, /* Right Shift */ |
[0x6f] = U_SPECIAL, |
[0x70] = '1', /* Numpad 1 */ |
[0x71] = '2', /* Numpad 2 */ |
[0x72] = '3', /* Numpad 3 */ |
[0x73] = U_SPECIAL, |
[0x74] = U_SPECIAL, |
[0x75] = U_SPECIAL, |
[0x76] = U_SPECIAL, |
[0x77] = U_SPECIAL, /* CapsLock */ |
[0x78] = U_SPECIAL, |
[0x79] = ' ', |
[0x7a] = U_SPECIAL, |
[0x7b] = U_PAGE_DOWN, /* Page Down */ |
[0x7c] = U_SPECIAL, |
[0x7d] = '+', /* Numpad + */ |
[0x7e] = U_SPECIAL, |
[0x7f] = U_SPECIAL |
}; |
/** Secondary meaning of scancodes. */ |
wchar_t sc_secondary_map[SCANCODES] = { |
[0x00] = U_SPECIAL, |
[0x01] = U_SPECIAL, |
[0x02] = U_SPECIAL, |
[0x03] = U_SPECIAL, |
[0x04] = U_SPECIAL, |
[0x05] = U_SPECIAL, /* F1 */ |
[0x06] = U_SPECIAL, /* F2 */ |
[0x07] = U_SPECIAL, /* F10 */ |
[0x08] = U_SPECIAL, /* F3 */ |
[0x09] = U_SPECIAL, /* F11 */ |
[0x0a] = U_SPECIAL, /* F4 */ |
[0x0b] = U_SPECIAL, /* F12 */ |
[0x0c] = U_SPECIAL, /* F5 */ |
[0x0d] = U_SPECIAL, /* Right Alt */ |
[0x0e] = U_SPECIAL, /* F6 */ |
[0x0f] = U_SPECIAL, |
[0x10] = U_SPECIAL, /* F7 */ |
[0x11] = U_SPECIAL, /* F8 */ |
[0x12] = U_SPECIAL, /* F9 */ |
[0x13] = U_SPECIAL, /* Left Alt */ |
[0x14] = U_UP_ARROW, /* Up Arrow */ |
[0x15] = U_SPECIAL, /* Pause */ |
[0x16] = U_SPECIAL, |
[0x17] = U_SPECIAL, /* Scroll Lock */ |
[0x18] = U_LEFT_ARROW, /* Left Arrow */ |
[0x19] = U_SPECIAL, |
[0x1a] = U_SPECIAL, |
[0x1b] = U_DOWN_ARROW, /* Down Arrow */ |
[0x1c] = U_RIGHT_ARROW, /* Right Arrow */ |
[0x1d] = U_ESCAPE, /* Esc */ |
[0x1e] = '!', |
[0x1f] = '@', |
[0x20] = '#', |
[0x21] = '$', |
[0x22] = '%', |
[0x23] = '^', |
[0x24] = '&', |
[0x25] = '*', |
[0x26] = '(', |
[0x27] = ')', |
[0x28] = '_', |
[0x29] = '+', |
[0x2a] = '~', |
[0x2b] = '\b', /* Backspace */ |
[0x2c] = U_SPECIAL, /* Insert */ |
[0x2d] = U_SPECIAL, |
[0x2e] = '/', /* Numpad / */ |
[0x2f] = '*', /* Numpad * */ |
[0x30] = U_SPECIAL, |
[0x31] = U_SPECIAL, |
[0x32] = '.', /* Numpad . */ |
[0x33] = U_SPECIAL, |
[0x34] = U_HOME_ARROW, /* Home */ |
[0x35] = '\t', /* Tab */ |
[0x36] = 'Q', |
[0x37] = 'W', |
[0x38] = 'E', |
[0x39] = 'R', |
[0x3a] = 'T', |
[0x3b] = 'Y', |
[0x3c] = 'U', |
[0x3d] = 'I', |
[0x3e] = 'O', |
[0x3f] = 'P', |
[0x40] = '{', |
[0x41] = '}', |
[0x42] = U_DELETE, /* Delete */ |
[0x43] = U_SPECIAL, |
[0x44] = '7', /* Numpad 7 */ |
[0x45] = '8', /* Numpad 8 */ |
[0x46] = '9', /* Numpad 9 */ |
[0x47] = '-', /* Numpad - */ |
[0x48] = U_SPECIAL, |
[0x49] = U_SPECIAL, |
[0x4a] = U_END_ARROW, /* End */ |
[0x4b] = U_SPECIAL, |
[0x4c] = U_SPECIAL, /* Control */ |
[0x4d] = 'A', |
[0x4e] = 'S', |
[0x4f] = 'D', |
[0x50] = 'F', |
[0x51] = 'G', |
[0x52] = 'H', |
[0x53] = 'J', |
[0x54] = 'K', |
[0x55] = 'L', |
[0x56] = ':', |
[0x57] = '"', |
[0x58] = '|', |
[0x59] = '\n', /* Enter */ |
[0x5a] = '\n', /* Numpad Enter */ |
[0x5b] = '4', /* Numpad 4 */ |
[0x5c] = '5', /* Numpad 5 */ |
[0x5d] = '6', /* Numpad 6 */ |
[0x5e] = '0', /* Numpad 0 */ |
[0x5f] = U_SPECIAL, |
[0x60] = U_PAGE_UP, /* Page Up */ |
[0x61] = U_SPECIAL, |
[0x62] = U_SPECIAL, /* NumLock */ |
[0x63] = U_SPECIAL, /* Left Shift */ |
[0x64] = 'Z', |
[0x65] = 'X', |
[0x66] = 'C', |
[0x67] = 'V', |
[0x68] = 'B', |
[0x69] = 'N', |
[0x6a] = 'M', |
[0x6b] = '<', |
[0x6c] = '>', |
[0x6d] = '?', |
[0x6e] = U_SPECIAL, /* Right Shift */ |
[0x6f] = U_SPECIAL, |
[0x70] = '1', /* Numpad 1 */ |
[0x71] = '2', /* Numpad 2 */ |
[0x72] = '3', /* Numpad 3 */ |
[0x73] = U_SPECIAL, |
[0x74] = U_SPECIAL, |
[0x75] = U_SPECIAL, |
[0x76] = U_SPECIAL, |
[0x77] = U_SPECIAL, /* CapsLock */ |
[0x78] = U_SPECIAL, |
[0x79] = ' ', |
[0x7a] = U_SPECIAL, |
[0x7b] = U_PAGE_DOWN, /* Page Down */ |
[0x7c] = U_SPECIAL, |
[0x7d] = '+', /* Numpad + */ |
[0x7e] = U_SPECIAL, |
[0x7f] = U_SPECIAL |
}; |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/kbrd |
---|
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/genarch/src/acpi/acpi.c |
---|
0,0 → 1,195 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** |
* @file |
* @brief Advanced Configuration and Power Interface (ACPI) initialization. |
*/ |
#include <genarch/acpi/acpi.h> |
#include <genarch/acpi/madt.h> |
#include <arch/bios/bios.h> |
#include <mm/as.h> |
#include <mm/page.h> |
#include <print.h> |
#define RSDP_SIGNATURE "RSD PTR " |
#define RSDP_REVISION_OFFS 15 |
struct acpi_rsdp *acpi_rsdp = NULL; |
struct acpi_rsdt *acpi_rsdt = NULL; |
struct acpi_xsdt *acpi_xsdt = NULL; |
struct acpi_signature_map signature_map[] = { |
{ |
(uint8_t *) "APIC", |
(void *) &acpi_madt, |
"Multiple APIC Description Table" |
} |
}; |
static int rsdp_check(uint8_t *rsdp) { |
struct acpi_rsdp *r = (struct acpi_rsdp *) rsdp; |
uint8_t sum = 0; |
unsigned int i; |
for (i = 0; i < 20; i++) |
sum = (uint8_t) (sum + rsdp[i]); |
if (sum) |
return 0; /* bad checksum */ |
if (r->revision == 0) |
return 1; /* ACPI 1.0 */ |
for (; i < r->length; i++) |
sum = (uint8_t) (sum + rsdp[i]); |
return !sum; |
} |
int acpi_sdt_check(uint8_t *sdt) |
{ |
struct acpi_sdt_header *h = (struct acpi_sdt_header *) sdt; |
uint8_t sum = 0; |
unsigned int i; |
for (i = 0; i < h->length; i++) |
sum = (uint8_t) (sum + sdt[i]); |
return !sum; |
} |
static void map_sdt(struct acpi_sdt_header *sdt) |
{ |
page_mapping_insert(AS_KERNEL, (uintptr_t) sdt, (uintptr_t) sdt, PAGE_NOT_CACHEABLE | PAGE_WRITE); |
map_structure((uintptr_t) sdt, sdt->length); |
} |
static void configure_via_rsdt(void) |
{ |
unsigned int i, j, cnt = (acpi_rsdt->header.length - sizeof(struct acpi_sdt_header)) / sizeof(uint32_t); |
for (i = 0; i < cnt; i++) { |
for (j = 0; j < sizeof(signature_map) / sizeof(struct acpi_signature_map); j++) { |
struct acpi_sdt_header *h = (struct acpi_sdt_header *) (unative_t) acpi_rsdt->entry[i]; |
map_sdt(h); |
if (*((uint32_t *) &h->signature[0]) == *((uint32_t *) &signature_map[j].signature[0])) { |
if (!acpi_sdt_check((uint8_t *) h)) |
goto next; |
*signature_map[j].sdt_ptr = h; |
LOG("%p: ACPI %s\n", *signature_map[j].sdt_ptr, signature_map[j].description); |
} |
} |
next: |
; |
} |
} |
static void configure_via_xsdt(void) |
{ |
unsigned int i, j, cnt = (acpi_xsdt->header.length - sizeof(struct acpi_sdt_header)) / sizeof(uint64_t); |
for (i = 0; i < cnt; i++) { |
for (j = 0; j < sizeof(signature_map) / sizeof(struct acpi_signature_map); j++) { |
struct acpi_sdt_header *h = (struct acpi_sdt_header *) ((uintptr_t) acpi_rsdt->entry[i]); |
map_sdt(h); |
if (*((uint32_t *) &h->signature[0]) == *((uint32_t *) &signature_map[j].signature[0])) { |
if (!acpi_sdt_check((uint8_t *) h)) |
goto next; |
*signature_map[j].sdt_ptr = h; |
LOG("%p: ACPI %s\n", *signature_map[j].sdt_ptr, signature_map[j].description); |
} |
} |
next: |
; |
} |
} |
void acpi_init(void) |
{ |
uint8_t *addr[2] = { NULL, (uint8_t *) PA2KA(0xe0000) }; |
int i, j, length[2] = { 1024, 128*1024 }; |
uint64_t *sig = (uint64_t *) RSDP_SIGNATURE; |
/* |
* Find Root System Description Pointer |
* 1. search first 1K of EBDA |
* 2. search 128K starting at 0xe0000 |
*/ |
addr[0] = (uint8_t *) PA2KA(ebda); |
for (i = (ebda ? 0 : 1); i < 2; i++) { |
for (j = 0; j < length[i]; j += 16) { |
if (*((uint64_t *) &addr[i][j]) == *sig && rsdp_check(&addr[i][j])) { |
acpi_rsdp = (struct acpi_rsdp *) &addr[i][j]; |
goto rsdp_found; |
} |
} |
} |
return; |
rsdp_found: |
LOG("%p: ACPI Root System Description Pointer\n", acpi_rsdp); |
acpi_rsdt = (struct acpi_rsdt *) (unative_t) acpi_rsdp->rsdt_address; |
if (acpi_rsdp->revision) |
acpi_xsdt = (struct acpi_xsdt *) ((uintptr_t) acpi_rsdp->xsdt_address); |
if (acpi_rsdt) |
map_sdt((struct acpi_sdt_header *) acpi_rsdt); |
if (acpi_xsdt) |
map_sdt((struct acpi_sdt_header *) acpi_xsdt); |
if (acpi_rsdt && !acpi_sdt_check((uint8_t *) acpi_rsdt)) { |
printf("RSDT: bad checksum\n"); |
return; |
} |
if (acpi_xsdt && !acpi_sdt_check((uint8_t *) acpi_xsdt)) { |
printf("XSDT: bad checksum\n"); |
return; |
} |
if (acpi_xsdt) |
configure_via_xsdt(); |
else if (acpi_rsdt) |
configure_via_rsdt(); |
} |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/acpi/madt.c |
---|
0,0 → 1,245 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** |
* @file |
* @brief Multiple APIC Description Table (MADT) parsing. |
*/ |
#include <arch/types.h> |
#include <genarch/acpi/acpi.h> |
#include <genarch/acpi/madt.h> |
#include <arch/smp/apic.h> |
#include <arch/smp/smp.h> |
#include <panic.h> |
#include <debug.h> |
#include <config.h> |
#include <print.h> |
#include <mm/slab.h> |
#include <memstr.h> |
#include <sort.h> |
struct acpi_madt *acpi_madt = NULL; |
#ifdef CONFIG_SMP |
/** Standard ISA IRQ map; can be overriden by Interrupt Source Override entries of MADT. */ |
int isa_irq_map[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }; |
static void madt_l_apic_entry(struct madt_l_apic *la, uint32_t index); |
static void madt_io_apic_entry(struct madt_io_apic *ioa, uint32_t index); |
static void madt_intr_src_ovrd_entry(struct madt_intr_src_ovrd *override, uint32_t index); |
static int madt_cmp(void * a, void * b); |
struct madt_l_apic *madt_l_apic_entries = NULL; |
struct madt_io_apic *madt_io_apic_entries = NULL; |
size_t madt_l_apic_entry_index = 0; |
size_t madt_io_apic_entry_index = 0; |
size_t madt_l_apic_entry_cnt = 0; |
size_t madt_io_apic_entry_cnt = 0; |
size_t cpu_count = 0; |
struct madt_apic_header * * madt_entries_index = NULL; |
unsigned int madt_entries_index_cnt = 0; |
char *entry[] = { |
"L_APIC", |
"IO_APIC", |
"INTR_SRC_OVRD", |
"NMI_SRC", |
"L_APIC_NMI", |
"L_APIC_ADDR_OVRD", |
"IO_SAPIC", |
"L_SAPIC", |
"PLATFORM_INTR_SRC" |
}; |
/* |
* ACPI MADT Implementation of SMP configuration interface. |
*/ |
static size_t madt_cpu_count(void); |
static bool madt_cpu_enabled(size_t i); |
static bool madt_cpu_bootstrap(size_t i); |
static uint8_t madt_cpu_apic_id(size_t i); |
static int madt_irq_to_pin(unsigned int irq); |
struct smp_config_operations madt_config_operations = { |
.cpu_count = madt_cpu_count, |
.cpu_enabled = madt_cpu_enabled, |
.cpu_bootstrap = madt_cpu_bootstrap, |
.cpu_apic_id = madt_cpu_apic_id, |
.irq_to_pin = madt_irq_to_pin |
}; |
size_t madt_cpu_count(void) |
{ |
return madt_l_apic_entry_cnt; |
} |
bool madt_cpu_enabled(size_t i) |
{ |
ASSERT(i < madt_l_apic_entry_cnt); |
return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->flags & 0x1; |
} |
bool madt_cpu_bootstrap(size_t i) |
{ |
ASSERT(i < madt_l_apic_entry_cnt); |
return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id == l_apic_id(); |
} |
uint8_t madt_cpu_apic_id(size_t i) |
{ |
ASSERT(i < madt_l_apic_entry_cnt); |
return ((struct madt_l_apic *) madt_entries_index[madt_l_apic_entry_index + i])->apic_id; |
} |
int madt_irq_to_pin(unsigned int irq) |
{ |
ASSERT(irq < sizeof(isa_irq_map) / sizeof(int)); |
return isa_irq_map[irq]; |
} |
int madt_cmp(void * a, void * b) |
{ |
return |
(((struct madt_apic_header *) a)->type > ((struct madt_apic_header *) b)->type) ? |
1 : |
((((struct madt_apic_header *) a)->type < ((struct madt_apic_header *) b)->type) ? -1 : 0); |
} |
void acpi_madt_parse(void) |
{ |
struct madt_apic_header *end = (struct madt_apic_header *) (((uint8_t *) acpi_madt) + acpi_madt->header.length); |
struct madt_apic_header *h; |
l_apic = (uint32_t *) (unative_t) acpi_madt->l_apic_address; |
/* calculate madt entries */ |
for (h = &acpi_madt->apic_header[0]; h < end; h = (struct madt_apic_header *) (((uint8_t *) h) + h->length)) { |
madt_entries_index_cnt++; |
} |
/* create madt apic entries index array */ |
madt_entries_index = (struct madt_apic_header * *) malloc(madt_entries_index_cnt * sizeof(struct madt_apic_header * *), FRAME_ATOMIC); |
if (!madt_entries_index) |
panic("Memory allocation error."); |
uint32_t index = 0; |
for (h = &acpi_madt->apic_header[0]; h < end; h = (struct madt_apic_header *) (((uint8_t *) h) + h->length)) { |
madt_entries_index[index++] = h; |
} |
/* Quicksort MADT index structure */ |
qsort(madt_entries_index, madt_entries_index_cnt, sizeof(uintptr_t), &madt_cmp); |
/* Parse MADT entries */ |
if (madt_entries_index_cnt > 0) { |
for (index = 0; index < madt_entries_index_cnt - 1; index++) { |
h = madt_entries_index[index]; |
switch (h->type) { |
case MADT_L_APIC: |
madt_l_apic_entry((struct madt_l_apic *) h, index); |
break; |
case MADT_IO_APIC: |
madt_io_apic_entry((struct madt_io_apic *) h, index); |
break; |
case MADT_INTR_SRC_OVRD: |
madt_intr_src_ovrd_entry((struct madt_intr_src_ovrd *) h, index); |
break; |
case MADT_NMI_SRC: |
case MADT_L_APIC_NMI: |
case MADT_L_APIC_ADDR_OVRD: |
case MADT_IO_SAPIC: |
case MADT_L_SAPIC: |
case MADT_PLATFORM_INTR_SRC: |
printf("MADT: skipping %s entry (type=%" PRIu8 ")\n", entry[h->type], h->type); |
break; |
default: |
if (h->type >= MADT_RESERVED_SKIP_BEGIN && h->type <= MADT_RESERVED_SKIP_END) { |
printf("MADT: skipping reserved entry (type=%" PRIu8 ")\n", h->type); |
} |
if (h->type >= MADT_RESERVED_OEM_BEGIN) { |
printf("MADT: skipping OEM entry (type=%" PRIu8 ")\n", h->type); |
} |
break; |
} |
} |
} |
if (cpu_count) |
config.cpu_count = cpu_count; |
} |
void madt_l_apic_entry(struct madt_l_apic *la, uint32_t index) |
{ |
if (!madt_l_apic_entry_cnt++) { |
madt_l_apic_entry_index = index; |
} |
if (!(la->flags & 0x1)) { |
/* Processor is unusable, skip it. */ |
return; |
} |
cpu_count++; |
apic_id_mask |= 1<<la->apic_id; |
} |
void madt_io_apic_entry(struct madt_io_apic *ioa, uint32_t index) |
{ |
if (!madt_io_apic_entry_cnt++) { |
/* remember index of the first io apic entry */ |
madt_io_apic_entry_index = index; |
io_apic = (uint32_t *) (unative_t) ioa->io_apic_address; |
} else { |
/* currently not supported */ |
return; |
} |
} |
void madt_intr_src_ovrd_entry(struct madt_intr_src_ovrd *override, uint32_t index) |
{ |
ASSERT(override->source < sizeof(isa_irq_map) / sizeof(int)); |
printf("MADT: ignoring %s entry: bus=%" PRIu8 ", source=%" PRIu8 ", global_int=%" PRIu32 ", flags=%#" PRIx16 "\n", |
entry[override->header.type], override->bus, override->source, |
override->global_int, override->flags); |
} |
#endif /* CONFIG_SMP */ |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/ofw/ebus.c |
---|
0,0 → 1,148 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ofw |
* @{ |
*/ |
/** |
* @file |
* @brief EBUS 'reg' and 'ranges' properties handling. |
* |
*/ |
#include <genarch/ofw/ofw_tree.h> |
#include <arch/memstr.h> |
#include <arch/trap/interrupt.h> |
#include <string.h> |
#include <panic.h> |
#include <debug.h> |
#include <macros.h> |
/** Apply EBUS ranges to EBUS register. */ |
bool |
ofw_ebus_apply_ranges(ofw_tree_node_t *node, ofw_ebus_reg_t *reg, uintptr_t *pa) |
{ |
ofw_tree_property_t *prop; |
ofw_ebus_range_t *range; |
size_t ranges; |
prop = ofw_tree_getprop(node, "ranges"); |
if (!prop) |
return false; |
ranges = prop->size / sizeof(ofw_ebus_range_t); |
range = prop->value; |
unsigned int i; |
for (i = 0; i < ranges; i++) { |
if (reg->space != range[i].child_space) |
continue; |
if (overlaps(reg->addr, reg->size, range[i].child_base, |
range[i].size)) { |
ofw_pci_reg_t pci_reg; |
pci_reg.space = range[i].parent_space; |
pci_reg.addr = range[i].parent_base + |
(reg->addr - range[i].child_base); |
pci_reg.size = reg->size; |
return ofw_pci_apply_ranges(node->parent, &pci_reg, pa); |
} |
} |
return false; |
} |
bool |
ofw_ebus_map_interrupt(ofw_tree_node_t *node, ofw_ebus_reg_t *reg, |
uint32_t interrupt, int *inr, cir_t *cir, void **cir_arg) |
{ |
ofw_tree_property_t *prop; |
ofw_tree_node_t *controller; |
prop = ofw_tree_getprop(node, "interrupt-map"); |
if (!prop || !prop->value) |
return false; |
ofw_ebus_intr_map_t *intr_map = prop->value; |
size_t count = prop->size / sizeof(ofw_ebus_intr_map_t); |
ASSERT(count); |
prop = ofw_tree_getprop(node, "interrupt-map-mask"); |
if (!prop || !prop->value) |
return false; |
ofw_ebus_intr_mask_t *intr_mask = prop->value; |
ASSERT(prop->size == sizeof(ofw_ebus_intr_mask_t)); |
uint32_t space = reg->space & intr_mask->space_mask; |
uint32_t addr = reg->addr & intr_mask->addr_mask; |
uint32_t intr = interrupt & intr_mask->intr_mask; |
unsigned int i; |
for (i = 0; i < count; i++) { |
if ((intr_map[i].space == space) && |
(intr_map[i].addr == addr) && (intr_map[i].intr == intr)) |
goto found; |
} |
return false; |
found: |
/* |
* We found the device that functions as an interrupt controller |
* for the interrupt. We also found partial mapping from interrupt to |
* INO. |
*/ |
controller = ofw_tree_find_node_by_handle(ofw_tree_lookup("/"), |
intr_map[i].controller_handle); |
if (!controller) |
return false; |
if (str_cmp(ofw_tree_node_name(controller), "pci") != 0) { |
/* |
* This is not a PCI node. |
*/ |
return false; |
} |
/* |
* Let the PCI do the next step in mapping the interrupt. |
*/ |
if (!ofw_pci_map_interrupt(controller, NULL, intr_map[i].controller_ino, |
inr, cir, cir_arg)) |
return false; |
return true; |
} |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/ofw/fhc.c |
---|
0,0 → 1,137 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ofw |
* @{ |
*/ |
/** |
* @file |
* @brief FHC 'reg' and 'ranges' properties handling. |
* |
*/ |
#include <genarch/ofw/ofw_tree.h> |
#include <arch/drivers/fhc.h> |
#include <arch/memstr.h> |
#include <string.h> |
#include <panic.h> |
#include <macros.h> |
bool ofw_fhc_apply_ranges(ofw_tree_node_t *node, ofw_fhc_reg_t *reg, uintptr_t *pa) |
{ |
ofw_tree_property_t *prop; |
ofw_fhc_range_t *range; |
size_t ranges; |
prop = ofw_tree_getprop(node, "ranges"); |
if (!prop) |
return false; |
ranges = prop->size / sizeof(ofw_fhc_range_t); |
range = prop->value; |
unsigned int i; |
for (i = 0; i < ranges; i++) { |
if (overlaps(reg->addr, reg->size, range[i].child_base, range[i].size)) { |
uintptr_t addr; |
addr = range[i].parent_base + (reg->addr - range[i].child_base); |
if (!node->parent->parent) { |
*pa = addr; |
return true; |
} |
if (str_cmp(ofw_tree_node_name(node->parent), "central") != 0) |
panic("Unexpected parent node: %s.", ofw_tree_node_name(node->parent)); |
ofw_central_reg_t central_reg; |
central_reg.addr = addr; |
central_reg.size = reg->size; |
return ofw_central_apply_ranges(node->parent, ¢ral_reg, pa); |
} |
} |
return false; |
} |
bool ofw_central_apply_ranges(ofw_tree_node_t *node, ofw_central_reg_t *reg, uintptr_t *pa) |
{ |
if (node->parent->parent) |
panic("Unexpected parent node: %s.", ofw_tree_node_name(node->parent)); |
ofw_tree_property_t *prop; |
ofw_central_range_t *range; |
size_t ranges; |
prop = ofw_tree_getprop(node, "ranges"); |
if (!prop) |
return false; |
ranges = prop->size / sizeof(ofw_central_range_t); |
range = prop->value; |
unsigned int i; |
for (i = 0; i < ranges; i++) { |
if (overlaps(reg->addr, reg->size, range[i].child_base, range[i].size)) { |
*pa = range[i].parent_base + (reg->addr - range[i].child_base); |
return true; |
} |
} |
return false; |
} |
bool |
ofw_fhc_map_interrupt(ofw_tree_node_t *node, ofw_fhc_reg_t *reg, |
uint32_t interrupt, int *inr, cir_t *cir, void **cir_arg) |
{ |
fhc_t *fhc = NULL; |
if (!node->device) { |
fhc = fhc_init(node); |
if (!fhc) |
return false; |
node->device = fhc; |
central_fhc = fhc; |
} |
/* |
* The interrupt controller for the interrupt is the FHC itself. |
*/ |
fhc_enable_interrupt(fhc, interrupt); |
*inr = interrupt; |
*cir = fhc_clear_interrupt; |
*cir_arg = fhc; |
return true; |
} |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/ofw/ofw_tree.c |
---|
0,0 → 1,309 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ofw |
* @{ |
*/ |
/** |
* @file |
* @brief OpenFirmware device tree navigation. |
* |
*/ |
#include <genarch/ofw/ofw_tree.h> |
#include <arch/memstr.h> |
#include <mm/slab.h> |
#include <string.h> |
#include <print.h> |
#include <panic.h> |
#define PATH_MAX_LEN 80 |
#define NAME_BUF_LEN 50 |
static ofw_tree_node_t *ofw_root; |
void ofw_tree_init(ofw_tree_node_t *root) |
{ |
ofw_root = root; |
} |
/** Get OpenFirmware node property. |
* |
* @param node Node in which to lookup the property. |
* @param name Name of the property. |
* |
* @return Pointer to the property structure or NULL if no such |
* property. |
*/ |
ofw_tree_property_t * |
ofw_tree_getprop(const ofw_tree_node_t *node, const char *name) |
{ |
unsigned int i; |
for (i = 0; i < node->properties; i++) { |
if (str_cmp(node->property[i].name, name) == 0) |
return &node->property[i]; |
} |
return NULL; |
} |
/** Return value of the 'name' property. |
* |
* @param node Node of interest. |
* |
* @return Value of the 'name' property belonging to the node. |
*/ |
const char *ofw_tree_node_name(const ofw_tree_node_t *node) |
{ |
ofw_tree_property_t *prop; |
prop = ofw_tree_getprop(node, "name"); |
if (!prop) |
panic("Node without name property."); |
if (prop->size < 2) |
panic("Invalid name property."); |
return prop->value; |
} |
/** Lookup child of given name. |
* |
* @param node Node whose child is being looked up. |
* @param name Name of the child being looked up. |
* |
* @return NULL if there is no such child or pointer to the |
* matching child node. |
*/ |
ofw_tree_node_t *ofw_tree_find_child(ofw_tree_node_t *node, const char *name) |
{ |
ofw_tree_node_t *cur; |
/* |
* Try to find the disambigued name. |
*/ |
for (cur = node->child; cur; cur = cur->peer) { |
if (str_cmp(cur->da_name, name) == 0) |
return cur; |
} |
/* |
* Disambigued name not found. |
* Lets try our luck with possibly ambiguous "name" property. |
* |
* We need to do this because paths stored in "/aliases" |
* are not always fully-qualified. |
*/ |
for (cur = node->child; cur; cur = cur->peer) { |
if (str_cmp(ofw_tree_node_name(cur), name) == 0) |
return cur; |
} |
return NULL; |
} |
/** Lookup first child of given device type. |
* |
* @param node Node whose child is being looked up. |
* @param name Device type of the child being looked up. |
* |
* @return NULL if there is no such child or pointer to the |
* matching child node. |
*/ |
ofw_tree_node_t * |
ofw_tree_find_child_by_device_type(ofw_tree_node_t *node, const char *name) |
{ |
ofw_tree_node_t *cur; |
ofw_tree_property_t *prop; |
for (cur = node->child; cur; cur = cur->peer) { |
prop = ofw_tree_getprop(cur, "device_type"); |
if (!prop || !prop->value) |
continue; |
if (str_cmp(prop->value, name) == 0) |
return cur; |
} |
return NULL; |
} |
/** Lookup node with matching node_handle. |
* |
* Child nodes are looked up recursively contrary to peer nodes that |
* are looked up iteratively to avoid stack overflow. |
* |
* @param root Root of the searched subtree. |
* @param handle OpenFirmware handle. |
* |
* @return NULL if there is no such node or pointer to the matching |
* node. |
*/ |
ofw_tree_node_t * |
ofw_tree_find_node_by_handle(ofw_tree_node_t *root, uint32_t handle) |
{ |
ofw_tree_node_t *cur; |
for (cur = root; cur; cur = cur->peer) { |
if (cur->node_handle == handle) |
return cur; |
if (cur->child) { |
ofw_tree_node_t *node; |
node = ofw_tree_find_node_by_handle(cur->child, handle); |
if (node) |
return node; |
} |
} |
return NULL; |
} |
/** Lookup first peer of given device type. |
* |
* @param node Node whose peer is being looked up. |
* @param name Device type of the child being looked up. |
* |
* @return NULL if there is no such child or pointer to the |
* matching child node. |
*/ |
ofw_tree_node_t * |
ofw_tree_find_peer_by_device_type(ofw_tree_node_t *node, const char *name) |
{ |
ofw_tree_node_t *cur; |
ofw_tree_property_t *prop; |
for (cur = node->peer; cur; cur = cur->peer) { |
prop = ofw_tree_getprop(cur, "device_type"); |
if (!prop || !prop->value) |
continue; |
if (str_cmp(prop->value, name) == 0) |
return cur; |
} |
return NULL; |
} |
/** Lookup first peer of given name. |
* |
* @param node Node whose peer is being looked up. |
* @param name Name of the child being looked up. |
* |
* @return NULL if there is no such peer or pointer to the matching |
* peer node. |
*/ |
ofw_tree_node_t * |
ofw_tree_find_peer_by_name(ofw_tree_node_t *node, const char *name) |
{ |
ofw_tree_node_t *cur; |
ofw_tree_property_t *prop; |
for (cur = node->peer; cur; cur = cur->peer) { |
prop = ofw_tree_getprop(cur, "name"); |
if (!prop || !prop->value) |
continue; |
if (str_cmp(prop->value, name) == 0) |
return cur; |
} |
return NULL; |
} |
/** Lookup OpenFirmware node by its path. |
* |
* @param path Path to the node. |
* |
* @return NULL if there is no such node or pointer to the leaf |
* node. |
*/ |
ofw_tree_node_t *ofw_tree_lookup(const char *path) |
{ |
char buf[NAME_BUF_LEN + 1]; |
ofw_tree_node_t *node = ofw_root; |
size_t i; |
size_t j; |
if (path[0] != '/') |
return NULL; |
for (i = 1; (i < str_size(path)) && (node); i = j + 1) { |
for (j = i; (j < str_size(path)) && (path[j] != '/'); j++); |
/* Skip extra slashes */ |
if (i == j) |
continue; |
memcpy(buf, &path[i], j - i); |
buf[j - i] = 0; |
node = ofw_tree_find_child(node, buf); |
} |
return node; |
} |
/** Print OpenFirmware device subtree rooted in a node. |
* |
* Child nodes are processed recursively and peer nodes are processed |
* iteratively in order to avoid stack overflow. |
* |
* @param node Root of the subtree. |
* @param path Current path, NULL for the very root of the entire tree. |
*/ |
static void ofw_tree_node_print(const ofw_tree_node_t *node, const char *path) |
{ |
char *p; |
const ofw_tree_node_t *cur; |
p = (char *) malloc(PATH_MAX_LEN, 0); |
for (cur = node; cur; cur = cur->peer) { |
if (cur->parent) { |
snprintf(p, PATH_MAX_LEN, "%s/%s", path, cur->da_name); |
printf("%s\n", p); |
} else { |
snprintf(p, PATH_MAX_LEN, "%s", cur->da_name); |
printf("/\n"); |
} |
if (cur->child) |
ofw_tree_node_print(cur->child, p); |
} |
free(p); |
} |
/** Print the structure of the OpenFirmware device tree. */ |
void ofw_tree_print(void) |
{ |
ofw_tree_node_print(ofw_root, NULL); |
} |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/ofw/pci.c |
---|
0,0 → 1,151 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ofw |
* @{ |
*/ |
/** |
* @file |
* @brief PCI 'reg' and 'ranges' properties handling. |
* |
*/ |
#include <genarch/ofw/ofw_tree.h> |
#include <arch/drivers/pci.h> |
#include <arch/trap/interrupt.h> |
#include <arch/memstr.h> |
#include <string.h> |
#include <panic.h> |
#include <macros.h> |
#define PCI_SPACE_MASK 0x03000000 |
#define PCI_ABS_MASK 0x80000000 |
#define PCI_REG_MASK 0x000000ff |
#define PCI_IGN 0x1f |
bool |
ofw_pci_apply_ranges(ofw_tree_node_t *node, ofw_pci_reg_t *reg, uintptr_t *pa) |
{ |
ofw_tree_property_t *prop; |
ofw_pci_range_t *range; |
size_t ranges; |
prop = ofw_tree_getprop(node, "ranges"); |
if (!prop) { |
if (str_cmp(ofw_tree_node_name(node->parent), "pci") == 0) |
return ofw_pci_apply_ranges(node->parent, reg, pa); |
return false; |
} |
ranges = prop->size / sizeof(ofw_pci_range_t); |
range = prop->value; |
unsigned int i; |
for (i = 0; i < ranges; i++) { |
if ((reg->space & PCI_SPACE_MASK) != |
(range[i].space & PCI_SPACE_MASK)) |
continue; |
if (overlaps(reg->addr, reg->size, range[i].child_base, |
range[i].size)) { |
*pa = range[i].parent_base + |
(reg->addr - range[i].child_base); |
return true; |
} |
} |
return false; |
} |
bool |
ofw_pci_reg_absolutize(ofw_tree_node_t *node, ofw_pci_reg_t *reg, |
ofw_pci_reg_t *out) |
{ |
if (reg->space & PCI_ABS_MASK) { |
/* already absolute */ |
out->space = reg->space; |
out->addr = reg->addr; |
out->size = reg->size; |
return true; |
} |
ofw_tree_property_t *prop; |
ofw_pci_reg_t *assigned_address; |
size_t assigned_addresses; |
prop = ofw_tree_getprop(node, "assigned-addresses"); |
if (!prop) |
panic("Cannot find 'assigned-addresses' property."); |
assigned_addresses = prop->size / sizeof(ofw_pci_reg_t); |
assigned_address = prop->value; |
unsigned int i; |
for (i = 0; i < assigned_addresses; i++) { |
if ((assigned_address[i].space & PCI_REG_MASK) == |
(reg->space & PCI_REG_MASK)) { |
out->space = assigned_address[i].space; |
out->addr = reg->addr + assigned_address[i].addr; |
out->size = reg->size; |
return true; |
} |
} |
return false; |
} |
/** Map PCI interrupt. |
* |
* So far, we only know how to map interrupts of non-PCI devices connected |
* to a PCI bridge. |
*/ |
bool |
ofw_pci_map_interrupt(ofw_tree_node_t *node, ofw_pci_reg_t *reg, int ino, |
int *inr, cir_t *cir, void **cir_arg) |
{ |
pci_t *pci = node->device; |
if (!pci) { |
pci = pci_init(node); |
if (!pci) |
return false; |
node->device = pci; |
} |
pci_enable_interrupt(pci, ino); |
*inr = (PCI_IGN << IGN_SHIFT) | ino; |
*cir = pci_clear_interrupt; |
*cir_arg = pci; |
return true; |
} |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/ofw/sbus.c |
---|
0,0 → 1,79 |
/* |
* Copyright (c) 2007 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ofw |
* @{ |
*/ |
/** |
* @file |
* @brief SBUS 'reg' and 'ranges' properties handling. |
* |
*/ |
#include <genarch/ofw/ofw_tree.h> |
#include <macros.h> |
bool ofw_sbus_apply_ranges(ofw_tree_node_t *node, ofw_sbus_reg_t *reg, |
uintptr_t *pa) |
{ |
ofw_tree_property_t *prop; |
ofw_sbus_range_t *range; |
size_t ranges; |
/* |
* The SBUS support is very rudimentary in that we simply assume |
* that the SBUS bus in question is connected directly to the UPA bus. |
* Should we come across configurations that need more robust support, |
* the driver will have to be extended to handle different topologies. |
*/ |
if (!node->parent || node->parent->parent) |
return false; |
prop = ofw_tree_getprop(node, "ranges"); |
if (!prop) |
return false; |
ranges = prop->size / sizeof(ofw_sbus_range_t); |
range = prop->value; |
unsigned int i; |
for (i = 0; i < ranges; i++) { |
if (overlaps(reg->addr, reg->size, range[i].child_base, |
range[i].size)) { |
*pa = range[i].parent_base + |
(reg->addr - range[i].child_base); |
return true; |
} |
} |
return false; |
} |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/ofw/upa.c |
---|
0,0 → 1,52 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ofw |
* @{ |
*/ |
/** |
* @file |
* @brief UPA 'reg' and 'ranges' properties handling. |
* |
*/ |
#include <genarch/ofw/ofw_tree.h> |
#include <arch/memstr.h> |
#include <func.h> |
#include <panic.h> |
#include <macros.h> |
#include <debug.h> |
bool ofw_upa_apply_ranges(ofw_tree_node_t *node, ofw_upa_reg_t *reg, uintptr_t *pa) |
{ |
*pa = reg->addr; |
return true; |
} |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/srln/srln.c |
---|
0,0 → 1,159 |
/* |
* Copyright (c) 2009 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** |
* @file |
* @brief Serial line processing. |
*/ |
#include <genarch/srln/srln.h> |
#include <console/chardev.h> |
#include <console/console.h> |
#include <proc/thread.h> |
#include <arch.h> |
#include <string.h> |
static indev_operations_t srln_raw_ops = { |
.poll = NULL |
}; |
static void ksrln(void *arg) |
{ |
srln_instance_t *instance = (srln_instance_t *) arg; |
bool cr = false; |
uint32_t escape = 0; |
while (true) { |
wchar_t ch = indev_pop_character(&instance->raw); |
/* ANSI escape sequence processing */ |
if (escape != 0) { |
escape <<= 8; |
escape |= ch & 0xff; |
if ((escape == 0x1b4f) || (escape == 0x1b5b) || (escape == 0x1b5b33)) |
continue; |
switch (escape) { |
case 0x1b4f46: |
case 0x1b5b46: |
ch = U_END_ARROW; |
escape = 0; |
break; |
case 0x1b4f48: |
case 0x1b5b48: |
ch = U_HOME_ARROW; |
escape = 0; |
break; |
case 0x1b5b41: |
ch = U_UP_ARROW; |
escape = 0; |
break; |
case 0x1b5b42: |
ch = U_DOWN_ARROW; |
escape = 0; |
break; |
case 0x1b5b43: |
ch = U_RIGHT_ARROW; |
escape = 0; |
break; |
case 0x1b5b44: |
ch = U_LEFT_ARROW; |
escape = 0; |
break; |
case 0x1b5b337e: |
ch = U_DELETE; |
escape = 0; |
break; |
default: |
escape = 0; |
} |
} |
if (ch == 0x1b) { |
escape = ch & 0xff; |
continue; |
} |
/* Replace carriage return with line feed |
and suppress any following line feed */ |
if ((ch == '\n') && (cr)) { |
cr = false; |
continue; |
} |
if (ch == '\r') { |
ch = '\n'; |
cr = true; |
} else |
cr = false; |
/* Backspace */ |
if (ch == 0x7f) |
ch = '\b'; |
indev_push_character(instance->sink, ch); |
} |
} |
srln_instance_t *srln_init(void) |
{ |
srln_instance_t *instance |
= malloc(sizeof(srln_instance_t), FRAME_ATOMIC); |
if (instance) { |
instance->thread |
= thread_create(ksrln, (void *) instance, TASK, 0, "ksrln", false); |
if (!instance->thread) { |
free(instance); |
return NULL; |
} |
instance->sink = NULL; |
indev_initialize("srln", &instance->raw, &srln_raw_ops); |
} |
return instance; |
} |
indev_t *srln_wire(srln_instance_t *instance, indev_t *sink) |
{ |
ASSERT(instance); |
ASSERT(sink); |
instance->sink = sink; |
thread_ready(instance->thread); |
return &instance->raw; |
} |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/multiboot/multiboot.c |
---|
0,0 → 1,139 |
/* |
* Copyright (c) 2009 Jiri Svoboda |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** @file |
*/ |
#include <genarch/multiboot/multiboot.h> |
#include <arch/types.h> |
#include <typedefs.h> |
#include <config.h> |
#include <string.h> |
#include <macros.h> |
/** Extract command name from the multiboot module command line. |
* |
* @param buf Destination buffer (will always NULL-terminate). |
* @param sz Size of destination buffer (in bytes). |
* @param cmd_line Input string (the command line). |
* |
*/ |
static void extract_command(char *buf, size_t sz, const char *cmd_line) |
{ |
/* Find the first space. */ |
const char *end = str_chr(cmd_line, ' '); |
if (end == NULL) |
end = cmd_line + str_size(cmd_line); |
/* |
* Find last occurence of '/' before 'end'. If found, place start at |
* next character. Otherwise, place start at beginning of buffer. |
*/ |
const char *cp = end; |
const char *start = buf; |
while (cp != start) { |
if (*cp == '/') { |
start = cp + 1; |
break; |
} |
cp--; |
} |
/* Copy the command. */ |
str_ncpy(buf, sz, start, (size_t) (end - start)); |
} |
/** Parse multiboot information structure. |
* |
* If @a signature does not contain a valid multiboot signature, |
* assumes no multiboot information is available. |
* |
* @param signature Should contain the multiboot signature. |
* @param mi Pointer to the multiboot information structure. |
*/ |
void multiboot_info_parse(uint32_t signature, const multiboot_info_t *mi) |
{ |
uint32_t flags; |
if (signature == MULTIBOOT_LOADER_MAGIC) |
flags = mi->flags; |
else { |
/* No multiboot info available. */ |
flags = 0; |
} |
/* Copy module information. */ |
uint32_t i; |
if ((flags & MBINFO_FLAGS_MODS) != 0) { |
init.cnt = min(mi->mods_count, CONFIG_INIT_TASKS); |
multiboot_mod_t *mods |
= (multiboot_mod_t *) MULTIBOOT_PTR(mi->mods_addr); |
for (i = 0; i < init.cnt; i++) { |
init.tasks[i].addr = PA2KA(mods[i].start); |
init.tasks[i].size = mods[i].end - mods[i].start; |
/* Copy command line, if available. */ |
if (mods[i].string) { |
extract_command(init.tasks[i].name, |
CONFIG_TASK_NAME_BUFLEN, |
MULTIBOOT_PTR(mods[i].string)); |
} else |
init.tasks[i].name[0] = 0; |
} |
} else |
init.cnt = 0; |
/* Copy memory map. */ |
if ((flags & MBINFO_FLAGS_MMAP) != 0) { |
int32_t mmap_length = mi->mmap_length; |
multiboot_mmap_t *mme = MULTIBOOT_PTR(mi->mmap_addr); |
e820counter = 0; |
i = 0; |
while ((mmap_length > 0) && (i < MEMMAP_E820_MAX_RECORDS)) { |
e820table[i++] = mme->mm_info; |
/* Compute address of next structure. */ |
uint32_t size = sizeof(mme->size) + mme->size; |
mme = ((void *) mme) + size; |
mmap_length -= size; |
} |
e820counter = i; |
} else |
e820counter = 0; |
} |
/** @} |
*/ |
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/genarch/src/fb/fb.c |
---|
0,0 → 1,548 |
/* |
* Copyright (c) 2008 Martin Decky |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** @file |
*/ |
#include <genarch/fb/font-8x16.h> |
#include <genarch/fb/logo-196x66.h> |
#include <genarch/fb/visuals.h> |
#include <genarch/fb/fb.h> |
#include <console/chardev.h> |
#include <console/console.h> |
#include <sysinfo/sysinfo.h> |
#include <mm/slab.h> |
#include <align.h> |
#include <panic.h> |
#include <memstr.h> |
#include <config.h> |
#include <bitops.h> |
#include <print.h> |
#include <string.h> |
#include <ddi/ddi.h> |
#include <arch/types.h> |
SPINLOCK_INITIALIZE(fb_lock); |
static uint8_t *fb_addr; |
static uint16_t *backbuf; |
static uint8_t *glyphs; |
static uint8_t *bgscan; |
static unsigned int xres; |
static unsigned int yres; |
static unsigned int ylogo; |
static unsigned int ytrim; |
static unsigned int rowtrim; |
static unsigned int scanline; |
static unsigned int glyphscanline; |
static unsigned int pixelbytes; |
static unsigned int glyphbytes; |
static unsigned int bgscanbytes; |
static unsigned int cols; |
static unsigned int rows; |
static unsigned int position = 0; |
#define BG_COLOR 0x000080 |
#define FG_COLOR 0xffff00 |
#define INV_COLOR 0xaaaaaa |
#define RED(x, bits) ((x >> (8 + 8 + 8 - bits)) & ((1 << bits) - 1)) |
#define GREEN(x, bits) ((x >> (8 + 8 - bits)) & ((1 << bits) - 1)) |
#define BLUE(x, bits) ((x >> (8 - bits)) & ((1 << bits) - 1)) |
#define COL2X(col) ((col) * FONT_WIDTH) |
#define ROW2Y(row) ((row) * FONT_SCANLINES) |
#define X2COL(x) ((x) / FONT_WIDTH) |
#define Y2ROW(y) ((y) / FONT_SCANLINES) |
#define FB_POS(x, y) ((y) * scanline + (x) * pixelbytes) |
#define BB_POS(col, row) ((row) * cols + (col)) |
#define GLYPH_POS(glyph, y) ((glyph) * glyphbytes + (y) * glyphscanline) |
static void (*rgb_conv)(void *, uint32_t); |
/** ARGB 8:8:8:8 conversion |
* |
*/ |
static void rgb_0888(void *dst, uint32_t rgb) |
{ |
*((uint32_t *) dst) = rgb & 0xffffff; |
} |
/** ABGR 8:8:8:8 conversion |
* |
*/ |
static void bgr_0888(void *dst, uint32_t rgb) |
{ |
*((uint32_t *) dst) |
= (BLUE(rgb, 8) << 16) | (GREEN(rgb, 8) << 8) | RED(rgb, 8); |
} |
/** RGB 8:8:8 conversion |
* |
*/ |
static void rgb_888(void *dst, uint32_t rgb) |
{ |
((uint8_t *) dst)[0] = BLUE(rgb, 8); |
((uint8_t *) dst)[1] = GREEN(rgb, 8); |
((uint8_t *) dst)[2] = RED(rgb, 8); |
} |
/** BGR 8:8:8 conversion |
* |
*/ |
static void bgr_888(void *dst, uint32_t rgb) |
{ |
((uint8_t *) dst)[0] = RED(rgb, 8); |
((uint8_t *) dst)[1] = GREEN(rgb, 8); |
((uint8_t *) dst)[2] = BLUE(rgb, 8); |
} |
/** RGB 5:5:5 conversion |
* |
*/ |
static void rgb_555(void *dst, uint32_t rgb) |
{ |
*((uint16_t *) dst) |
= (RED(rgb, 5) << 10) | (GREEN(rgb, 5) << 5) | BLUE(rgb, 5); |
} |
/** RGB 5:6:5 conversion |
* |
*/ |
static void rgb_565(void *dst, uint32_t rgb) |
{ |
*((uint16_t *) dst) |
= (RED(rgb, 5) << 11) | (GREEN(rgb, 6) << 5) | BLUE(rgb, 5); |
} |
/** RGB 3:2:3 |
* |
* Even though we try 3:2:3 color scheme here, an 8-bit framebuffer |
* will most likely use a color palette. The color appearance |
* will be pretty random and depend on the default installed |
* palette. This could be fixed by supporting custom palette |
* and setting it to simulate the 8-bit truecolor. |
* |
* Currently we set the palette on the ia32, amd64 and sparc64 port. |
* |
* Note that the byte is being inverted by this function. The reason is |
* that we would like to use a color palette where the white color code |
* is 0 and the black color code is 255, as some machines (Sun Blade 1500) |
* use these codes for black and white and prevent to set codes |
* 0 and 255 to other colors. |
* |
*/ |
static void rgb_323(void *dst, uint32_t rgb) |
{ |
*((uint8_t *) dst) |
= ~((RED(rgb, 3) << 5) | (GREEN(rgb, 2) << 3) | BLUE(rgb, 3)); |
} |
/** Hide logo and refresh screen |
* |
*/ |
static void logo_hide(bool silent) |
{ |
ylogo = 0; |
ytrim = yres; |
rowtrim = rows; |
if (!silent) |
fb_redraw(); |
} |
/** Draw character at given position |
* |
*/ |
static void glyph_draw(uint16_t glyph, unsigned int col, unsigned int row, bool silent, bool overlay) |
{ |
unsigned int x = COL2X(col); |
unsigned int y = ROW2Y(row); |
unsigned int yd; |
if (y >= ytrim) |
logo_hide(silent); |
if (!overlay) |
backbuf[BB_POS(col, row)] = glyph; |
if (!silent) { |
for (yd = 0; yd < FONT_SCANLINES; yd++) |
memcpy(&fb_addr[FB_POS(x, y + yd + ylogo)], |
&glyphs[GLYPH_POS(glyph, yd)], glyphscanline); |
} |
} |
/** Scroll screen down by one row |
* |
* |
*/ |
static void screen_scroll(bool silent) |
{ |
if (ylogo > 0) { |
logo_hide(silent); |
return; |
} |
if (!silent) { |
unsigned int row; |
for (row = 0; row < rows; row++) { |
unsigned int y = ROW2Y(row); |
unsigned int yd; |
for (yd = 0; yd < FONT_SCANLINES; yd++) { |
unsigned int x; |
unsigned int col; |
for (col = 0, x = 0; col < cols; col++, |
x += FONT_WIDTH) { |
uint16_t glyph; |
if (row < rows - 1) { |
if (backbuf[BB_POS(col, row)] == |
backbuf[BB_POS(col, row + 1)]) |
continue; |
glyph = backbuf[BB_POS(col, row + 1)]; |
} else |
glyph = 0; |
memcpy(&fb_addr[FB_POS(x, y + yd)], |
&glyphs[GLYPH_POS(glyph, yd)], |
glyphscanline); |
} |
} |
} |
} |
memmove(backbuf, &backbuf[BB_POS(0, 1)], cols * (rows - 1) * sizeof(uint16_t)); |
memsetw(&backbuf[BB_POS(0, rows - 1)], cols, 0); |
} |
static void cursor_put(bool silent) |
{ |
unsigned int col = position % cols; |
unsigned int row = position / cols; |
glyph_draw(fb_font_glyph(U_CURSOR), col, row, silent, true); |
} |
static void cursor_remove(bool silent) |
{ |
unsigned int col = position % cols; |
unsigned int row = position / cols; |
glyph_draw(backbuf[BB_POS(col, row)], col, row, silent, true); |
} |
/** Print character to screen |
* |
* Emulate basic terminal commands. |
* |
*/ |
static void fb_putchar(outdev_t *dev, wchar_t ch, bool silent) |
{ |
spinlock_lock(&fb_lock); |
switch (ch) { |
case '\n': |
cursor_remove(silent); |
position += cols; |
position -= position % cols; |
break; |
case '\r': |
cursor_remove(silent); |
position -= position % cols; |
break; |
case '\b': |
cursor_remove(silent); |
if (position % cols) |
position--; |
break; |
case '\t': |
cursor_remove(silent); |
do { |
glyph_draw(fb_font_glyph(' '), position % cols, |
position / cols, silent, false); |
position++; |
} while ((position % 8) && (position < cols * rows)); |
break; |
default: |
glyph_draw(fb_font_glyph(ch), position % cols, |
position / cols, silent, false); |
position++; |
} |
if (position >= cols * rows) { |
position -= cols; |
screen_scroll(silent); |
} |
cursor_put(silent); |
spinlock_unlock(&fb_lock); |
} |
static outdev_t fb_console; |
static outdev_operations_t fb_ops = { |
.write = fb_putchar |
}; |
/** Render glyphs |
* |
* Convert glyphs from device independent font |
* description to current visual representation. |
* |
*/ |
static void glyphs_render(void) |
{ |
/* Prerender glyphs */ |
uint16_t glyph; |
for (glyph = 0; glyph < FONT_GLYPHS; glyph++) { |
uint32_t fg_color; |
if (glyph == FONT_GLYPHS - 1) |
fg_color = INV_COLOR; |
else |
fg_color = FG_COLOR; |
unsigned int y; |
for (y = 0; y < FONT_SCANLINES; y++) { |
unsigned int x; |
for (x = 0; x < FONT_WIDTH; x++) { |
void *dst = &glyphs[GLYPH_POS(glyph, y) + |
x * pixelbytes]; |
uint32_t rgb = (fb_font[glyph][y] & |
(1 << (7 - x))) ? fg_color : BG_COLOR; |
rgb_conv(dst, rgb); |
} |
} |
} |
/* Prerender background scanline */ |
unsigned int x; |
for (x = 0; x < xres; x++) |
rgb_conv(&bgscan[x * pixelbytes], BG_COLOR); |
} |
/** Refresh the screen |
* |
*/ |
void fb_redraw(void) |
{ |
if (ylogo > 0) { |
unsigned int y; |
for (y = 0; y < LOGO_HEIGHT; y++) { |
unsigned int x; |
for (x = 0; x < xres; x++) |
rgb_conv(&fb_addr[FB_POS(x, y)], |
(x < LOGO_WIDTH) ? |
fb_logo[y * LOGO_WIDTH + x] : |
LOGO_COLOR); |
} |
} |
unsigned int row; |
for (row = 0; row < rowtrim; row++) { |
unsigned int y = ylogo + ROW2Y(row); |
unsigned int yd; |
for (yd = 0; yd < FONT_SCANLINES; yd++) { |
unsigned int x; |
unsigned int col; |
for (col = 0, x = 0; col < cols; |
col++, x += FONT_WIDTH) { |
uint16_t glyph = backbuf[BB_POS(col, row)]; |
void *dst = &fb_addr[FB_POS(x, y + yd)]; |
void *src = &glyphs[GLYPH_POS(glyph, yd)]; |
memcpy(dst, src, glyphscanline); |
} |
} |
} |
if (COL2X(cols) < xres) { |
unsigned int y; |
unsigned int size = (xres - COL2X(cols)) * pixelbytes; |
for (y = ylogo; y < yres; y++) |
memcpy(&fb_addr[FB_POS(COL2X(cols), y)], bgscan, size); |
} |
if (ROW2Y(rowtrim) + ylogo < yres) { |
unsigned int y; |
for (y = ROW2Y(rowtrim) + ylogo; y < yres; y++) |
memcpy(&fb_addr[FB_POS(0, y)], bgscan, bgscanbytes); |
} |
} |
/** Initialize framebuffer as a output character device |
* |
* @param addr Physical address of the framebuffer |
* @param x Screen width in pixels |
* @param y Screen height in pixels |
* @param scan Bytes per one scanline |
* @param visual Color model |
* |
*/ |
void fb_init(fb_properties_t *props) |
{ |
switch (props->visual) { |
case VISUAL_INDIRECT_8: |
rgb_conv = rgb_323; |
pixelbytes = 1; |
break; |
case VISUAL_RGB_5_5_5: |
rgb_conv = rgb_555; |
pixelbytes = 2; |
break; |
case VISUAL_RGB_5_6_5: |
rgb_conv = rgb_565; |
pixelbytes = 2; |
break; |
case VISUAL_RGB_8_8_8: |
rgb_conv = rgb_888; |
pixelbytes = 3; |
break; |
case VISUAL_BGR_8_8_8: |
rgb_conv = bgr_888; |
pixelbytes = 3; |
break; |
case VISUAL_RGB_8_8_8_0: |
rgb_conv = rgb_888; |
pixelbytes = 4; |
break; |
case VISUAL_RGB_0_8_8_8: |
rgb_conv = rgb_0888; |
pixelbytes = 4; |
break; |
case VISUAL_BGR_0_8_8_8: |
rgb_conv = bgr_0888; |
pixelbytes = 4; |
break; |
default: |
panic("Unsupported visual."); |
} |
xres = props->x; |
yres = props->y; |
scanline = props->scan; |
cols = X2COL(xres); |
rows = Y2ROW(yres); |
if (yres > ylogo) { |
ylogo = LOGO_HEIGHT; |
rowtrim = rows - Y2ROW(ylogo); |
if (ylogo % FONT_SCANLINES > 0) |
rowtrim--; |
ytrim = ROW2Y(rowtrim); |
} else { |
ylogo = 0; |
ytrim = yres; |
rowtrim = rows; |
} |
glyphscanline = FONT_WIDTH * pixelbytes; |
glyphbytes = ROW2Y(glyphscanline); |
bgscanbytes = xres * pixelbytes; |
size_t fbsize = scanline * yres; |
size_t bbsize = cols * rows * sizeof(uint16_t); |
size_t glyphsize = FONT_GLYPHS * glyphbytes; |
backbuf = (uint16_t *) malloc(bbsize, 0); |
if (!backbuf) |
panic("Unable to allocate backbuffer."); |
glyphs = (uint8_t *) malloc(glyphsize, 0); |
if (!glyphs) |
panic("Unable to allocate glyphs."); |
bgscan = malloc(bgscanbytes, 0); |
if (!bgscan) |
panic("Unable to allocate background pixel."); |
memsetw(backbuf, cols * rows, 0); |
glyphs_render(); |
fb_addr = (uint8_t *) hw_map((uintptr_t) props->addr, fbsize); |
sysinfo_set_item_val("fb", NULL, true); |
sysinfo_set_item_val("fb.kind", NULL, 1); |
sysinfo_set_item_val("fb.width", NULL, xres); |
sysinfo_set_item_val("fb.height", NULL, yres); |
sysinfo_set_item_val("fb.scanline", NULL, scanline); |
sysinfo_set_item_val("fb.visual", NULL, props->visual); |
sysinfo_set_item_val("fb.address.physical", NULL, props->addr); |
fb_redraw(); |
outdev_initialize("fb", &fb_console, &fb_ops); |
stdout = &fb_console; |
} |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/fb/font-8x16.c |
---|
0,0 → 1,3270 |
/* |
* Copyright (c) 2000 Dmitry Bolkhovityanov |
* Copyright (c) 2009 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** @file |
*/ |
#include <genarch/fb/font-8x16.h> |
/** Convert character to font glyph index |
* |
* The font does not cover all Unicode characters. |
* This function converts the character to an appropriate |
* glyph in the font or returns an index to the question |
* mark glyph if no specific glyph exists. |
*/ |
uint16_t fb_font_glyph(const wchar_t ch) |
{ |
if (ch == 0x0000) |
return 0; |
if ((ch >= 0x0020) && (ch <= 0x007f)) |
return (ch - 32); |
if ((ch >= 0x00a0) && (ch <= 0x021f)) |
return (ch - 64); |
if ((ch >= 0x0222) && (ch <= 0x0233)) |
return (ch - 66); |
if ((ch >= 0x0250) && (ch <= 0x02ad)) |
return (ch - 94); |
if ((ch >= 0x02b0) && (ch <= 0x02cf)) |
return (ch - 96); |
if ((ch >= 0x02d8) && (ch <= 0x02dd)) |
return (ch - 104); |
if (ch == 0x02ee) |
return 630; |
if ((ch >= 0x0300) && (ch <= 0x0301)) |
return (ch - 137); |
if (ch == 0x0303) |
return 633; |
if (ch == 0x0309) |
return 634; |
if ((ch >= 0x0312) && (ch <= 0x0314)) |
return (ch - 151); |
if (ch == 0x0323) |
return 638; |
if ((ch >= 0x0340) && (ch <= 0x0341)) |
return (ch - 193); |
if ((ch >= 0x0374) && (ch <= 0x0375)) |
return (ch - 243); |
if (ch == 0x037a) |
return 643; |
if (ch == 0x037e) |
return 644; |
if ((ch >= 0x0384) && (ch <= 0x038a)) |
return (ch - 255); |
if (ch == 0x038c) |
return 652; |
if ((ch >= 0x038e) && (ch <= 0x03a1)) |
return (ch - 257); |
if ((ch >= 0x03a3) && (ch <= 0x03ce)) |
return (ch - 258); |
if ((ch >= 0x03d0) && (ch <= 0x03d7)) |
return (ch - 259); |
if ((ch >= 0x03da) && (ch <= 0x03f3)) |
return (ch - 261); |
if ((ch >= 0x0400) && (ch <= 0x0486)) |
return (ch - 273); |
if ((ch >= 0x0488) && (ch <= 0x04ce)) |
return (ch - 274); |
if ((ch >= 0x04d0) && (ch <= 0x04f5)) |
return (ch - 275); |
if ((ch >= 0x04f8) && (ch <= 0x04f9)) |
return (ch - 277); |
if ((ch >= 0x0500) && (ch <= 0x050f)) |
return (ch - 283); |
if ((ch >= 0x0530) && (ch <= 0x0556)) |
return (ch - 315); |
if ((ch >= 0x0559) && (ch <= 0x055f)) |
return (ch - 317); |
if ((ch >= 0x0561) && (ch <= 0x0587)) |
return (ch - 318); |
if ((ch >= 0x0589) && (ch <= 0x058a)) |
return (ch - 319); |
if ((ch >= 0x0591) && (ch <= 0x05a1)) |
return (ch - 325); |
if ((ch >= 0x05a3) && (ch <= 0x05b9)) |
return (ch - 326); |
if ((ch >= 0x05bb) && (ch <= 0x05c4)) |
return (ch - 327); |
if ((ch >= 0x05d0) && (ch <= 0x05ea)) |
return (ch - 338); |
if ((ch >= 0x05f0) && (ch <= 0x05f4)) |
return (ch - 343); |
if (ch == 0x060c) |
return 1182; |
if (ch == 0x061b) |
return 1183; |
if (ch == 0x061f) |
return 1184; |
if ((ch >= 0x0621) && (ch <= 0x063a)) |
return (ch - 384); |
if ((ch >= 0x0640) && (ch <= 0x0655)) |
return (ch - 389); |
if ((ch >= 0x0660) && (ch <= 0x066d)) |
return (ch - 399); |
if ((ch >= 0x0670) && (ch <= 0x06ed)) |
return (ch - 401); |
if ((ch >= 0x06f0) && (ch <= 0x06fe)) |
return (ch - 403); |
if (ch == 0x10d3) |
return 1388; |
if (ch == 0x10d7) |
return 1389; |
if (ch == 0x10da) |
return 1390; |
if (ch == 0x10dd) |
return 1391; |
if (ch == 0x10e6) |
return 1392; |
if ((ch >= 0x1e00) && (ch <= 0x1e9b)) |
return (ch - 6287); |
if ((ch >= 0x1ea0) && (ch <= 0x1ef9)) |
return (ch - 6291); |
if ((ch >= 0x1f00) && (ch <= 0x1f07)) |
return (ch - 6297); |
if ((ch >= 0x2000) && (ch <= 0x2027)) |
return (ch - 6545); |
if ((ch >= 0x2030) && (ch <= 0x2046)) |
return (ch - 6553); |
if ((ch >= 0x2048) && (ch <= 0x204d)) |
return (ch - 6554); |
if (ch == 0x2070) |
return 1716; |
if ((ch >= 0x2074) && (ch <= 0x208f)) |
return (ch - 6591); |
if ((ch >= 0x20a0) && (ch <= 0x20af)) |
return (ch - 6607); |
if ((ch >= 0x2100) && (ch <= 0x213a)) |
return (ch - 6687); |
if ((ch >= 0x2153) && (ch <= 0x2183)) |
return (ch - 6711); |
if ((ch >= 0x2190) && (ch <= 0x21f3)) |
return (ch - 6723); |
if ((ch >= 0x2200) && (ch <= 0x22f1)) |
return (ch - 6735); |
if (ch == 0x2300) |
return 2211; |
if (ch == 0x2302) |
return 2212; |
if ((ch >= 0x2308) && (ch <= 0x230b)) |
return (ch - 6755); |
if (ch == 0x2310) |
return 2217; |
if (ch == 0x2318) |
return 2218; |
if ((ch >= 0x231a) && (ch <= 0x231b)) |
return (ch - 6767); |
if ((ch >= 0x2320) && (ch <= 0x2321)) |
return (ch - 6771); |
if ((ch >= 0x2329) && (ch <= 0x232a)) |
return (ch - 6778); |
if ((ch >= 0x239b) && (ch <= 0x23bd)) |
return (ch - 6890); |
if (ch == 0x23ce) |
return 2260; |
if ((ch >= 0x2409) && (ch <= 0x240d)) |
return (ch - 6964); |
if ((ch >= 0x2423) && (ch <= 0x2424)) |
return (ch - 6985); |
if (ch == 0x2426) |
return 2268; |
if ((ch >= 0x2500) && (ch <= 0x2595)) |
return (ch - 7203); |
if ((ch >= 0x25a0) && (ch <= 0x25f7)) |
return (ch - 7213); |
if ((ch >= 0x2600) && (ch <= 0x2602)) |
return (ch - 7221); |
if ((ch >= 0x2605) && (ch <= 0x260d)) |
return (ch - 7223); |
if ((ch >= 0x2610) && (ch <= 0x2613)) |
return (ch - 7225); |
if (ch == 0x2620) |
return 2523; |
if (ch == 0x2622) |
return 2524; |
if (ch == 0x2626) |
return 2525; |
if ((ch >= 0x2628) && (ch <= 0x262b)) |
return (ch - 7242); |
if ((ch >= 0x262e) && (ch <= 0x2637)) |
return (ch - 7244); |
if ((ch >= 0x2639) && (ch <= 0x2653)) |
return (ch - 7245); |
if ((ch >= 0x2660) && (ch <= 0x2667)) |
return (ch - 7257); |
if ((ch >= 0x2669) && (ch <= 0x266f)) |
return (ch - 7258); |
if ((ch >= 0xfb00) && (ch <= 0xfb05)) |
return (ch - 61674); |
if ((ch >= 0xfb50) && (ch <= 0xfbb1)) |
return (ch - 61748); |
if ((ch >= 0xfbd3) && (ch <= 0xfbe9)) |
return (ch - 61781); |
if ((ch >= 0xfbfc) && (ch <= 0xfbff)) |
return (ch - 61799); |
if ((ch >= 0xfc5b) && (ch <= 0xfc63)) |
return (ch - 61890); |
if (ch == 0xfc90) |
return 2722; |
if ((ch >= 0xfcf2) && (ch <= 0xfcf4)) |
return (ch - 62031); |
if ((ch >= 0xfd3c) && (ch <= 0xfd3f)) |
return (ch - 62102); |
if (ch == 0xfdf2) |
return 2730; |
if ((ch >= 0xfe50) && (ch <= 0xfe52)) |
return (ch - 62373); |
if ((ch >= 0xfe54) && (ch <= 0xfe66)) |
return (ch - 62374); |
if ((ch >= 0xfe68) && (ch <= 0xfe6b)) |
return (ch - 62375); |
if ((ch >= 0xfe70) && (ch <= 0xfe72)) |
return (ch - 62379); |
if (ch == 0xfe74) |
return 2760; |
if ((ch >= 0xfe76) && (ch <= 0xfefc)) |
return (ch - 62381); |
if (ch == 0xfeff) |
return 2896; |
return 2898; |
} |
uint8_t fb_font[FONT_GLYPHS][FONT_SCANLINES] = { |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x18, 0x3c, 0x3c, 0x3c, 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x66, 0x66, 0x66, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x6c, 0x6c, 0xfe, 0x6c, 0x6c, 0x6c, 0xfe, 0x6c, 0x6c, 0x00, 0x00, 0x00, 0x00}, |
{0x18, 0x18, 0x7c, 0xc6, 0xc2, 0xc0, 0x7c, 0x06, 0x06, 0x86, 0xc6, 0x7c, 0x18, 0x18, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0xc2, 0xc6, 0x0c, 0x18, 0x30, 0x60, 0xc6, 0x86, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x38, 0x6c, 0x6c, 0x38, 0x76, 0xdc, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x30, 0x30, 0x30, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x0c, 0x18, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x18, 0x0c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x30, 0x18, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x18, 0x30, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x66, 0x3c, 0xff, 0x3c, 0x66, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x7e, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x30, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x02, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0x80, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x38, 0x6c, 0xc6, 0xc6, 0xd6, 0xd6, 0xc6, 0xc6, 0x6c, 0x38, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x18, 0x38, 0x78, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x7e, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x7c, 0xc6, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0xc6, 0xfe, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x7c, 0xc6, 0x06, 0x06, 0x3c, 0x06, 0x06, 0x06, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x0c, 0x1c, 0x3c, 0x6c, 0xcc, 0xfe, 0x0c, 0x0c, 0x0c, 0x1e, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xfe, 0xc0, 0xc0, 0xc0, 0xfc, 0x06, 0x06, 0x06, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x38, 0x60, 0xc0, 0xc0, 0xfc, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xfe, 0xc6, 0x06, 0x06, 0x0c, 0x18, 0x30, 0x30, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0x7e, 0x06, 0x06, 0x06, 0x0c, 0x78, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x18, 0x18, 0x30, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x06, 0x0c, 0x18, 0x30, 0x60, 0x30, 0x18, 0x0c, 0x06, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0x00, 0x00, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x60, 0x30, 0x18, 0x0c, 0x06, 0x0c, 0x18, 0x30, 0x60, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x7c, 0xc6, 0xc6, 0x0c, 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xde, 0xde, 0xde, 0xdc, 0xc0, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x10, 0x38, 0x6c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xfc, 0x66, 0x66, 0x66, 0x7c, 0x66, 0x66, 0x66, 0x66, 0xfc, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x3c, 0x66, 0xc2, 0xc0, 0xc0, 0xc0, 0xc0, 0xc2, 0x66, 0x3c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xf8, 0x6c, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x6c, 0xf8, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xfe, 0x66, 0x62, 0x68, 0x78, 0x68, 0x60, 0x62, 0x66, 0xfe, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xfe, 0x66, 0x62, 0x68, 0x78, 0x68, 0x60, 0x60, 0x60, 0xf0, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x3c, 0x66, 0xc2, 0xc0, 0xc0, 0xde, 0xc6, 0xc6, 0x66, 0x3a, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x3c, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x1e, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0xcc, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xe6, 0x66, 0x66, 0x6c, 0x78, 0x78, 0x6c, 0x66, 0x66, 0xe6, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xf0, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x62, 0x66, 0xfe, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xc6, 0xee, 0xfe, 0xfe, 0xd6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xc6, 0xe6, 0xf6, 0xfe, 0xde, 0xce, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xfc, 0x66, 0x66, 0x66, 0x7c, 0x60, 0x60, 0x60, 0x60, 0xf0, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xd6, 0xde, 0x7c, 0x0c, 0x0e, 0x00, 0x00}, |
{0x00, 0x00, 0xfc, 0x66, 0x66, 0x66, 0x7c, 0x6c, 0x66, 0x66, 0x66, 0xe6, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x7c, 0xc6, 0xc6, 0x60, 0x38, 0x0c, 0x06, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x7e, 0x7e, 0x5a, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x6c, 0x38, 0x10, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xd6, 0xd6, 0xd6, 0xfe, 0xee, 0x6c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xc6, 0xc6, 0x6c, 0x7c, 0x38, 0x38, 0x7c, 0x6c, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x66, 0x66, 0x66, 0x66, 0x3c, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xfe, 0xc6, 0x86, 0x0c, 0x18, 0x30, 0x60, 0xc2, 0xc6, 0xfe, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x3c, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x3c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0x70, 0x38, 0x1c, 0x0e, 0x06, 0x02, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x3c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x3c, 0x00, 0x00, 0x00, 0x00}, |
{0x10, 0x38, 0x6c, 0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00}, |
{0x30, 0x30, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xe0, 0x60, 0x60, 0x78, 0x6c, 0x66, 0x66, 0x66, 0x66, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc0, 0xc0, 0xc0, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x1c, 0x0c, 0x0c, 0x3c, 0x6c, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xfe, 0xc0, 0xc0, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x38, 0x6c, 0x64, 0x60, 0xf0, 0x60, 0x60, 0x60, 0x60, 0xf0, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x76, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x7c, 0x0c, 0xcc, 0x78, 0x00}, |
{0x00, 0x00, 0xe0, 0x60, 0x60, 0x6c, 0x76, 0x66, 0x66, 0x66, 0x66, 0xe6, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x18, 0x18, 0x00, 0x38, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x06, 0x06, 0x00, 0x0e, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x66, 0x66, 0x3c, 0x00}, |
{0x00, 0x00, 0xe0, 0x60, 0x60, 0x66, 0x6c, 0x78, 0x78, 0x6c, 0x66, 0xe6, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x38, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0xec, 0xfe, 0xd6, 0xd6, 0xd6, 0xd6, 0xc6, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0xdc, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
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{0x00, 0x00, 0xc6, 0xee, 0xfe, 0xfe, 0xd6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x30, 0x30, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0xec, 0xfe, 0xd6, 0xd6, 0xd6, 0xd6, 0xc6, 0x00, 0x30, 0x30, 0x00}, |
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{0x00, 0x00, 0x18, 0x18, 0x00, 0xdc, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x00, 0x00, 0x00, 0x00}, |
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{0x00, 0x00, 0x00, 0x00, 0x00, 0xdc, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x00, 0x18, 0x18, 0x00}, |
{0x00, 0x00, 0xc6, 0xe6, 0xf6, 0xfe, 0xde, 0xce, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x7c, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0xdc, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x00, 0x7c, 0x00, 0x00}, |
{0x00, 0x00, 0xc6, 0xe6, 0xf6, 0xfe, 0xde, 0xce, 0xc6, 0xc6, 0xc6, 0xc6, 0x10, 0x38, 0x6c, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0xdc, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x10, 0x38, 0x6c, 0x00}, |
{0x0c, 0x18, 0x72, 0x9c, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x0c, 0x18, 0x76, 0xdc, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x6c, 0x00, 0x72, 0x9c, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x6c, 0x00, 0x76, 0xdc, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x60, 0x30, 0x7c, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x60, 0x30, 0x00, 0x7c, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x0c, 0x18, 0x7c, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x0c, 0x18, 0x00, 0x7c, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x0c, 0x18, 0x00, 0xfc, 0x66, 0x66, 0x66, 0x7c, 0x60, 0x60, 0x60, 0xf0, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x0c, 0x18, 0x00, 0xdc, 0x66, 0x66, 0x66, 0x66, 0x66, 0x7c, 0x60, 0x60, 0xf0, 0x00}, |
{0x18, 0x18, 0x00, 0xfc, 0x66, 0x66, 0x66, 0x7c, 0x60, 0x60, 0x60, 0xf0, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x18, 0x18, 0x00, 0xdc, 0x66, 0x66, 0x66, 0x66, 0x66, 0x7c, 0x60, 0x60, 0xf0, 0x00}, |
{0x18, 0x18, 0x00, 0xfc, 0x66, 0x66, 0x66, 0x7c, 0x6c, 0x66, 0x66, 0xe6, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x18, 0x18, 0x00, 0xdc, 0x76, 0x66, 0x60, 0x60, 0x60, 0xf0, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xfc, 0x66, 0x66, 0x66, 0x7c, 0x6c, 0x66, 0x66, 0x66, 0xe6, 0x00, 0x18, 0x18, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0xdc, 0x76, 0x66, 0x60, 0x60, 0x60, 0xf0, 0x00, 0x18, 0x18, 0x00}, |
{0x00, 0x7c, 0x00, 0xfc, 0x66, 0x66, 0x66, 0x7c, 0x6c, 0x66, 0x66, 0xe6, 0x00, 0x18, 0x18, 0x00}, |
{0x00, 0x00, 0x00, 0x7c, 0x00, 0xdc, 0x76, 0x66, 0x60, 0x60, 0x60, 0xf0, 0x00, 0x18, 0x18, 0x00}, |
{0x00, 0x00, 0xfc, 0x66, 0x66, 0x66, 0x7c, 0x6c, 0x66, 0x66, 0x66, 0xe6, 0x00, 0x7c, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0xdc, 0x76, 0x66, 0x60, 0x60, 0x60, 0xf0, 0x00, 0x7c, 0x00, 0x00}, |
{0x30, 0x30, 0x00, 0x7c, 0xc6, 0xc6, 0x60, 0x38, 0x0c, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x30, 0x30, 0x00, 0x7c, 0xc6, 0x60, 0x38, 0x0c, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x7c, 0xc6, 0xc6, 0x60, 0x38, 0x0c, 0x06, 0xc6, 0xc6, 0x7c, 0x00, 0x30, 0x30, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0x60, 0x38, 0x0c, 0xc6, 0x7c, 0x00, 0x30, 0x30, 0x00}, |
{0x60, 0x6c, 0x18, 0x00, 0x7c, 0xc6, 0xc6, 0x70, 0x1c, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x60, 0x60, 0x0c, 0x18, 0x00, 0x7c, 0xc6, 0x60, 0x38, 0x0c, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x30, 0x44, 0x38, 0x10, 0x7c, 0xc6, 0xc6, 0x70, 0x1c, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x30, 0x30, 0x44, 0x38, 0x10, 0x7c, 0xc6, 0x60, 0x38, 0x0c, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x30, 0x30, 0x00, 0x7c, 0xc6, 0xc6, 0x60, 0x38, 0x0c, 0xc6, 0xc6, 0x7c, 0x00, 0x30, 0x30, 0x00}, |
{0x00, 0x00, 0x30, 0x30, 0x00, 0x7c, 0xc6, 0x60, 0x38, 0x0c, 0xc6, 0x7c, 0x00, 0x30, 0x30, 0x00}, |
{0x18, 0x18, 0x00, 0x7e, 0x7e, 0x5a, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x06, 0x16, 0x30, 0x30, 0xfc, 0x30, 0x30, 0x30, 0x30, 0x36, 0x1c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x7e, 0x7e, 0x5a, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00, 0x18, 0x18, 0x00}, |
{0x00, 0x00, 0x10, 0x30, 0x30, 0xfc, 0x30, 0x30, 0x30, 0x30, 0x36, 0x1c, 0x00, 0x18, 0x18, 0x00}, |
{0x00, 0x00, 0x7e, 0x7e, 0x5a, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00, 0x7e, 0x00, 0x00}, |
{0x00, 0x00, 0x10, 0x30, 0x30, 0xfc, 0x30, 0x30, 0x30, 0x30, 0x36, 0x1c, 0x00, 0x7e, 0x00, 0x00}, |
{0x00, 0x00, 0x7e, 0x7e, 0x5a, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x10, 0x38, 0x6c, 0x00}, |
{0x00, 0x00, 0x10, 0x30, 0x30, 0xfc, 0x30, 0x30, 0x30, 0x30, 0x36, 0x1c, 0x08, 0x1c, 0x36, 0x00}, |
{0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x6c, 0x6c, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0x6c, 0x6c, 0x00}, |
{0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x76, 0xdc, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0x76, 0xdc, 0x00}, |
{0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x10, 0x38, 0x6c, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x10, 0x38, 0x6c, 0x00}, |
{0x0c, 0x18, 0x72, 0x9c, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x0c, 0x18, 0x76, 0xdc, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0x00, 0x00, 0x00}, |
{0x6c, 0x00, 0x7c, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0xcc, 0xcc, 0x00, 0xfc, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0x00, 0x00, 0x00}, |
{0x76, 0xdc, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x6c, 0x38, 0x10, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x76, 0xdc, 0x00, 0x66, 0x66, 0x66, 0x66, 0x66, 0x3c, 0x18, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x6c, 0x38, 0x10, 0x00, 0x30, 0x30, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x66, 0x66, 0x66, 0x66, 0x66, 0x3c, 0x18, 0x00, 0x18, 0x18, 0x00}, |
{0x60, 0x30, 0x00, 0xc6, 0xc6, 0xc6, 0xd6, 0xd6, 0xd6, 0xfe, 0xee, 0x6c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x60, 0x30, 0x00, 0xc6, 0xc6, 0xd6, 0xd6, 0xd6, 0xfe, 0x6c, 0x00, 0x00, 0x00, 0x00}, |
{0x0c, 0x18, 0x00, 0xc6, 0xc6, 0xc6, 0xd6, 0xd6, 0xd6, 0xfe, 0xee, 0x6c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x0c, 0x18, 0x00, 0xc6, 0xc6, 0xd6, 0xd6, 0xd6, 0xfe, 0x6c, 0x00, 0x00, 0x00, 0x00}, |
{0x6c, 0x6c, 0x00, 0xc6, 0xc6, 0xc6, 0xd6, 0xd6, 0xd6, 0xfe, 0xee, 0x6c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x6c, 0x6c, 0x00, 0xc6, 0xc6, 0xd6, 0xd6, 0xd6, 0xfe, 0x6c, 0x00, 0x00, 0x00, 0x00}, |
{0x30, 0x30, 0x00, 0xc6, 0xc6, 0xc6, 0xd6, 0xd6, 0xd6, 0xfe, 0xee, 0x6c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x30, 0x30, 0x00, 0xc6, 0xc6, 0xd6, 0xd6, 0xd6, 0xfe, 0x6c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xd6, 0xd6, 0xd6, 0xfe, 0xee, 0x6c, 0x00, 0x30, 0x30, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0xd6, 0xd6, 0xd6, 0xfe, 0x6c, 0x00, 0x30, 0x30, 0x00}, |
{0x30, 0x30, 0x00, 0xc6, 0xc6, 0x6c, 0x7c, 0x38, 0x7c, 0x6c, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x30, 0x30, 0x00, 0xc6, 0x6c, 0x38, 0x38, 0x38, 0x6c, 0xc6, 0x00, 0x00, 0x00, 0x00}, |
{0x6c, 0x6c, 0x00, 0xc6, 0xc6, 0x6c, 0x7c, 0x38, 0x7c, 0x6c, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x6c, 0x6c, 0x00, 0xc6, 0x6c, 0x38, 0x38, 0x38, 0x6c, 0xc6, 0x00, 0x00, 0x00, 0x00}, |
{0x18, 0x18, 0x00, 0x66, 0x66, 0x66, 0x3c, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x30, 0x30, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7e, 0x06, 0x0c, 0xf8, 0x00}, |
{0x10, 0x38, 0x44, 0xfe, 0xc6, 0x8c, 0x18, 0x30, 0x60, 0xc2, 0xc6, 0xfe, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x10, 0x38, 0x6c, 0x00, 0xfe, 0xcc, 0x18, 0x30, 0x60, 0xc6, 0xfe, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xfe, 0xc6, 0x86, 0x0c, 0x18, 0x30, 0x60, 0xc2, 0xc6, 0xfe, 0x00, 0x30, 0x30, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xcc, 0x18, 0x30, 0x60, 0xc6, 0xfe, 0x00, 0x30, 0x30, 0x00}, |
{0x00, 0x00, 0xfe, 0xc6, 0x86, 0x0c, 0x18, 0x30, 0x60, 0xc2, 0xc6, 0xfe, 0x00, 0x7c, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xcc, 0x18, 0x30, 0x60, 0xc6, 0xfe, 0x00, 0x7c, 0x00, 0x00}, |
{0x00, 0x00, 0xe0, 0x60, 0x60, 0x6c, 0x76, 0x66, 0x66, 0x66, 0x66, 0xe6, 0x00, 0x7c, 0x00, 0x00}, |
{0x6c, 0x6c, 0x00, 0x10, 0x30, 0xfc, 0x30, 0x30, 0x30, 0x30, 0x36, 0x1c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x38, 0x6c, 0x38, 0x00, 0xc6, 0xc6, 0xd6, 0xd6, 0xd6, 0xfe, 0x6c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x38, 0x6c, 0x38, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7e, 0x06, 0x0c, 0xf8, 0x00}, |
{0x00, 0x18, 0x0c, 0x18, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0x00, 0x00, 0x00}, |
{0x30, 0x30, 0x00, 0x38, 0x6c, 0x64, 0x60, 0x60, 0x60, 0x60, 0x60, 0xf0, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x10, 0x38, 0x6c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x30, 0x30, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0x30, 0x30, 0x00}, |
{0x38, 0x0c, 0x18, 0x10, 0x38, 0x6c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x38, 0x0c, 0x18, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0x00, 0x00, 0x00}, |
{0x03, 0x16, 0x38, 0x6c, 0x10, 0x38, 0x6c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00}, |
{0x03, 0x16, 0x38, 0x6c, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0x00, 0x00, 0x00}, |
{0xc0, 0x68, 0x1c, 0x36, 0x10, 0x38, 0x6c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00}, |
{0xc0, 0x68, 0x1c, 0x36, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0x00, 0x00, 0x00}, |
{0x0e, 0x13, 0x3a, 0x6c, 0x10, 0x38, 0x6c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00}, |
{0x0e, 0x13, 0x3a, 0x6c, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0x00, 0x00, 0x00}, |
{0x76, 0xdc, 0x10, 0x28, 0x54, 0x38, 0x6c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00}, |
{0x76, 0xdc, 0x10, 0x38, 0x44, 0x78, 0x0c, 0x7c, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0x00, 0x00, 0x00}, |
{0x10, 0x38, 0x6c, 0x10, 0x38, 0x6c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0x00, 0x30, 0x30, 0x00}, |
{0x00, 0x10, 0x38, 0x6c, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0x30, 0x30, 0x00}, |
{0x0c, 0x18, 0x44, 0x38, 0x10, 0x38, 0x6c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00}, |
{0x0c, 0x18, 0x44, 0x38, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0x00, 0x00, 0x00}, |
{0x60, 0x30, 0x44, 0x38, 0x10, 0x38, 0x6c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00}, |
{0x60, 0x30, 0x44, 0x38, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0x00, 0x00, 0x00}, |
{0x30, 0x08, 0x54, 0x38, 0x10, 0x38, 0x6c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00}, |
{0x30, 0x08, 0x54, 0x38, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0x00, 0x00, 0x00}, |
{0x72, 0x9c, 0x44, 0x38, 0x10, 0x38, 0x6c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00}, |
{0x72, 0x9c, 0x44, 0x38, 0x00, 0x78, 0x0c, 0x7c, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0x00, 0x00, 0x00}, |
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{0x00, 0x00, 0x70, 0xc0, 0xc0, 0xc0, 0x70, 0x1e, 0x1b, 0x1e, 0x1b, 0x1b, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x82, 0xfe, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x98, 0xd8, 0xf8, 0xd8, 0xd8, 0x0c, 0x0c, 0x0c, 0x0c, 0x0f, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x7c, 0xfe, 0xc6, 0xc6, 0x60, 0x30, 0x30, 0x00, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6d, 0x6d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x18, 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x18, 0x00}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x00, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x00, 0x1c, 0x1c, 0x1c, 0x1c, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xaa, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x00}, |
{0x1c, 0x1c, 0x1c, 0x00, 0x1c, 0x1c, 0x1c, 0x00, 0x1c, 0x1c, 0x1c, 0x00, 0x1c, 0x1c, 0x1c, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x1f, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x1f, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xf8, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xfc, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1f, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1f, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0xfc, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1f, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1f, 0x1f, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1f, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1f, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1f, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1f, 0x1f, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1f, 0x1f, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1f, 0x1f, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8, 0xf8, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0xfc, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xfc, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0xfc, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0xfc, 0xfc, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xfc, 0xfc, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0xfc, 0xfc, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xf8, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x1f, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xfc, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x1f, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0xf8, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0x1f, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0xff, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0xff, 0xfc, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0xff, 0x1f, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0xfc, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0x1f, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0xff, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0xff, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0xff, 0xfc, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0xff, 0x1f, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0xff, 0xff, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xee, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xee, 0xee, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x00, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x18, 0x1f, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x30, 0x37, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x18, 0xf8, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x06, 0xf6, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1f, 0x18, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x37, 0x30, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8, 0x18, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xf6, 0x06, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1f, 0x18, 0x1f, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x37, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36}, |
{0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x37, 0x30, 0x37, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8, 0x18, 0xf8, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xf6, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36}, |
{0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xf6, 0x06, 0xf6, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xf7, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xf7, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0x18, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xff, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36}, |
{0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xf7, 0x00, 0xf7, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x0e, 0x0c, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x70, 0x30, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x30, 0x70, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x0c, 0x0e, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x01, 0x01, 0x02, 0x02, 0x04, 0x04, 0x08, 0x08, 0x10, 0x10, 0x20, 0x20, 0x40, 0x40, 0x80, 0x80}, |
{0x80, 0x80, 0x40, 0x40, 0x20, 0x20, 0x10, 0x10, 0x08, 0x08, 0x04, 0x04, 0x02, 0x02, 0x01, 0x01}, |
{0x81, 0x81, 0x42, 0x42, 0x24, 0x24, 0x18, 0x18, 0x18, 0x18, 0x24, 0x24, 0x42, 0x42, 0x81, 0x81}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18}, |
{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, |
{0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, |
{0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, |
{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, |
{0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe}, |
{0xfc, 0xfc, 0xfc, 0xfc, 0xfc, 0xfc, 0xfc, 0xfc, 0xfc, 0xfc, 0xfc, 0xfc, 0xfc, 0xfc, 0xfc, 0xfc}, |
{0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8}, |
{0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0}, |
{0xe0, 0xe0, 0xe0, 0xe0, 0xe0, 0xe0, 0xe0, 0xe0, 0xe0, 0xe0, 0xe0, 0xe0, 0xe0, 0xe0, 0xe0, 0xe0}, |
{0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0}, |
{0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80}, |
{0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f}, |
{0x11, 0x44, 0x11, 0x44, 0x11, 0x44, 0x11, 0x44, 0x11, 0x44, 0x11, 0x44, 0x11, 0x44, 0x11, 0x44}, |
{0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa}, |
{0xdd, 0x77, 0xdd, 0x77, 0xdd, 0x77, 0xdd, 0x77, 0xdd, 0x77, 0xdd, 0x77, 0xdd, 0x77, 0xdd, 0x77}, |
{0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, |
{0x00, 0x00, 0x00, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0xfe, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0xfe, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x7c, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0xfe, 0x82, 0xba, 0xba, 0xba, 0xba, 0xba, 0x82, 0xfe, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0xfe, 0x82, 0xfe, 0x82, 0xfe, 0x82, 0xfe, 0x82, 0xfe, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0xfe, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xfe, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0xfe, 0xaa, 0xfe, 0xaa, 0xfe, 0xaa, 0xfe, 0xaa, 0xfe, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0xfe, 0x8a, 0xc6, 0xa2, 0x92, 0x8a, 0xc6, 0xa2, 0xfe, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0xfe, 0xa2, 0xc6, 0x8a, 0x92, 0xa2, 0xc6, 0x8a, 0xfe, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0xfe, 0xaa, 0xc6, 0xaa, 0x92, 0xaa, 0xc6, 0xaa, 0xfe, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0x44, 0x44, 0x44, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x82, 0x82, 0x82, 0xfe, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0x00, 0x00}, |
{0x00, 0x00, 0xfe, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0xfe, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0x7e, 0x7e, 0xfc, 0xfc, 0xfc, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0x42, 0x42, 0x84, 0x84, 0xfc, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x38, 0x38, 0x7c, 0x7c, 0xfe, 0xfe, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x28, 0x28, 0x44, 0x44, 0x82, 0xfe, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x38, 0x38, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x28, 0x28, 0x7c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xf8, 0xf0, 0xe0, 0xc0, 0x80, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x80, 0xc0, 0xa0, 0x90, 0x88, 0x84, 0x88, 0x90, 0xa0, 0xc0, 0x80, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x70, 0x78, 0x70, 0x40, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x70, 0x48, 0x70, 0x40, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x80, 0xe0, 0xf8, 0xfe, 0xf8, 0xe0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x80, 0xe0, 0x98, 0x86, 0x98, 0xe0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xfe, 0xfe, 0x7c, 0x7c, 0x38, 0x38, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xfe, 0x82, 0x44, 0x44, 0x28, 0x28, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0x38, 0x38, 0x10, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0x28, 0x28, 0x10, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x02, 0x06, 0x0e, 0x1e, 0x3e, 0x7e, 0x3e, 0x1e, 0x0e, 0x06, 0x02, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x02, 0x06, 0x0a, 0x12, 0x22, 0x42, 0x22, 0x12, 0x0a, 0x06, 0x02, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x38, 0x78, 0x38, 0x08, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x38, 0x48, 0x38, 0x08, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x02, 0x0e, 0x3e, 0xfe, 0x3e, 0x0e, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x02, 0x0e, 0x32, 0xc2, 0x32, 0x0e, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x10, 0x38, 0x7c, 0x7c, 0xfe, 0xfe, 0x7c, 0x7c, 0x38, 0x10, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x10, 0x28, 0x44, 0x44, 0x82, 0x82, 0x44, 0x44, 0x28, 0x10, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x10, 0x28, 0x44, 0x54, 0xba, 0xba, 0x54, 0x44, 0x28, 0x10, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x3c, 0x42, 0x99, 0xbd, 0xbd, 0xbd, 0xbd, 0x99, 0x42, 0x3c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x10, 0x28, 0x28, 0x44, 0x82, 0x82, 0x44, 0x28, 0x28, 0x10, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x3c, 0x42, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x42, 0x3c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x14, 0x40, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x02, 0x28, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x3c, 0x66, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0x66, 0x3c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x3c, 0x42, 0x99, 0xa5, 0xa5, 0xa5, 0xa5, 0x99, 0x42, 0x3c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x3c, 0x7e, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7e, 0x3c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x3c, 0x72, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0x72, 0x3c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x3c, 0x4e, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x4e, 0x3c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x3c, 0x42, 0x81, 0x81, 0x81, 0xff, 0xff, 0xff, 0x7e, 0x3c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x3c, 0x7e, 0xff, 0xff, 0xff, 0x81, 0x81, 0x81, 0x42, 0x3c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x3c, 0x4e, 0x8f, 0x8f, 0x8f, 0x81, 0x81, 0x81, 0x42, 0x3c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x3c, 0x4e, 0x8f, 0x8f, 0x8f, 0xff, 0xff, 0xff, 0x7e, 0x3c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x30, 0x70, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0x70, 0x30, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x0c, 0x0e, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0e, 0x0c, 0x00, 0x00, 0x00, 0x00}, |
{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe7, 0xc3, 0xc3, 0xe7, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, |
{0xff, 0xff, 0xc3, 0xbd, 0x7e, 0x7e, 0x7e, 0x7e, 0x7e, 0x7e, 0xbd, 0xc3, 0xff, 0xff, 0xff, 0xff}, |
{0xff, 0xff, 0xc3, 0xbd, 0x7e, 0x7e, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0x7e, 0x7e, 0xbd, 0xc3, 0xff, 0xff, 0xff, 0xff}, |
{0x00, 0x00, 0x30, 0x40, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x0c, 0x02, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x02, 0x0c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x40, 0x30, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x3c, 0x42, 0x81, 0x81, 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x81, 0x81, 0x81, 0x42, 0x3c, 0x00, 0x00, 0x00, 0x00}, |
{0x01, 0x01, 0x03, 0x03, 0x07, 0x07, 0x0f, 0x0f, 0x1f, 0x1f, 0x3f, 0x3f, 0x7f, 0x7f, 0xff, 0xff}, |
{0x80, 0x80, 0xc0, 0xc0, 0xe0, 0xe0, 0xf0, 0xf0, 0xf8, 0xf8, 0xfc, 0xfc, 0xfe, 0xfe, 0xff, 0xff}, |
{0xff, 0xff, 0xfe, 0xfe, 0xfc, 0xfc, 0xf8, 0xf8, 0xf0, 0xf0, 0xe0, 0xe0, 0xc0, 0xc0, 0x80, 0x80}, |
{0xff, 0xff, 0x7f, 0x7f, 0x3f, 0x3f, 0x1f, 0x1f, 0x0f, 0x0f, 0x07, 0x07, 0x03, 0x03, 0x01, 0x01}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x66, 0x42, 0x42, 0x66, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xff, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xff, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xff, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0xff, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xff, 0xff, 0xfd, 0xf9, 0xf1, 0xf1, 0xe1, 0xc1, 0x81, 0xff, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0xff, 0x81, 0x83, 0x87, 0x8f, 0x8f, 0x9f, 0xbf, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00}, |
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{0x00, 0x00, 0x24, 0x20, 0x20, 0x2c, 0x32, 0x22, 0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x70, 0x80, 0x8c, 0x70, 0x40, 0x80, 0x80, 0x80, 0x41, 0x3e, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x1e, 0x22, 0x1c, 0x22, 0x41, 0x80, 0x80, 0x80, 0x41, 0x3e, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 0x10, 0x10, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x22, 0x1c, 0xe3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x40, 0x00, 0x00, 0x70, 0x80, 0x8c, 0x70, 0x40, 0x80, 0x80, 0x80, 0x41, 0x3e, 0x00, 0x00}, |
{0x00, 0x08, 0x00, 0x00, 0x1e, 0x22, 0x1c, 0x22, 0x41, 0x80, 0x80, 0x80, 0x41, 0x3e, 0x00, 0x00}, |
{0x00, 0x00, 0x10, 0x00, 0x00, 0x0e, 0x10, 0x10, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x08, 0x00, 0x00, 0x1e, 0x22, 0x1c, 0xe3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x04, 0x00, 0x06, 0x49, 0x85, 0x83, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x04, 0x00, 0x06, 0x49, 0x89, 0x86, 0x7d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x08, 0x00, 0x0c, 0x12, 0x0a, 0x06, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x08, 0x00, 0x0c, 0x12, 0x12, 0x0c, 0xf3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x0a, 0x00, 0x06, 0x09, 0x09, 0x47, 0x81, 0x81, 0x81, 0x42, 0x3c, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x0a, 0x00, 0x00, 0x06, 0x09, 0x49, 0x87, 0x81, 0x81, 0x42, 0x3c, 0x00, 0x00, 0x00}, |
{0x00, 0x14, 0x00, 0x00, 0x0c, 0x12, 0x0a, 0x06, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x14, 0x00, 0x00, 0x0c, 0x12, 0x12, 0x0c, 0xf3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x19, 0x21, 0x19, 0x21, 0x01, 0x81, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x32, 0x42, 0x32, 0x42, 0x02, 0x86, 0x79, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x06, 0x18, 0x20, 0x10, 0x08, 0x08, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x06, 0x18, 0x20, 0x20, 0x10, 0x08, 0xf7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x02, 0x02, 0x02, 0x02, 0x02, 0x42, 0x82, 0x82, 0x84, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x02, 0x02, 0x02, 0x02, 0x02, 0x03, 0x42, 0x82, 0x82, 0x84, 0x78, 0x00, 0x00}, |
{0x00, 0x00, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0xf7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x0c, 0x12, 0x12, 0x3c, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x3c, 0x4b, 0x4a, 0x44, 0x40, 0x40, 0x40, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x12, 0x32, 0xcc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x12, 0x32, 0xcd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x08, 0x00, 0x00, 0x41, 0x81, 0x81, 0x81, 0x42, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x01, 0x41, 0x81, 0x81, 0x42, 0x3c, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x10, 0x00, 0x08, 0x04, 0x04, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x08, 0x08, 0xf7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x18, 0x24, 0x22, 0x22, 0x1c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x10, 0x10, 0x68, 0x88, 0x74, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x40, 0x30, 0x4e, 0x49, 0x39, 0xe6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x08, 0x14, 0x24, 0x28, 0xf3, 0x24, 0x18, 0x0c, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x12, 0x0e, 0x02, 0x04, 0x18, 0x60, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x12, 0x0f, 0x02, 0x04, 0x18, 0x60, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x08, 0x88, 0x86, 0x81, 0x81, 0x7e, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x88, 0x87, 0x81, 0x7e, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x08, 0x88, 0x86, 0x81, 0x81, 0x7e, 0x00, 0x00, 0x24, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x88, 0x87, 0x81, 0x7e, 0x00, 0x24, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x04, 0x04, 0xf8, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x08, 0xf7, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00}, |
{0x68, 0x90, 0x02, 0x22, 0x12, 0x0a, 0x04, 0x0c, 0x12, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x68, 0x90, 0x02, 0x32, 0x12, 0x0a, 0x0a, 0x0e, 0x3d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x60, 0x80, 0x72, 0xa2, 0x12, 0x0a, 0x04, 0x0c, 0x12, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x30, 0x40, 0x3a, 0x52, 0x12, 0x0a, 0x0a, 0x0e, 0x3d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x42, 0x22, 0x12, 0x0a, 0x04, 0x0c, 0x12, 0x3c, 0x00, 0x18, 0x20, 0x1c, 0x20, 0x00}, |
{0x00, 0x00, 0x22, 0x12, 0x12, 0x0a, 0x0a, 0x0e, 0x3d, 0x00, 0x00, 0x18, 0x20, 0x1c, 0x20, 0x00}, |
{0x00, 0x00, 0x42, 0x22, 0x12, 0x0a, 0x04, 0x0c, 0x12, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0x00, 0x00, 0x22, 0x12, 0x12, 0x0a, 0x0a, 0x0e, 0x3d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, |
{0xf1, 0x35, 0x55, 0x8a, 0xe0, 0x06, 0x95, 0xd6, 0xb5, 0x97, 0x00, 0xee, 0x8a, 0xee, 0x28, 0xe8}, |
{0x00, 0x38, 0x7c, 0x7c, 0xc6, 0x92, 0xf2, 0xe6, 0xfe, 0xe6, 0x7c, 0x7c, 0x38, 0x00, 0x00, 0x00}, |
/* Special glyph for unknown character */ |
{0x00, 0x00, 0x7c, 0xc6, 0xc6, 0x0c, 0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00} |
}; |
/** @} |
*/ |
/branches/arm/kernel/genarch/src/fb/logo-196x66.c |
---|
0,0 → 1,13110 |
/* |
* Copyright (c) 2008 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** @file |
*/ |
#include <genarch/fb/logo-196x66.h> |
uint32_t fb_logo[LOGO_WIDTH * LOGO_HEIGHT] = { |
/* Scanline 0 */ |
0xffffff, |
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0xffffff, |
/* Scanline 1 */ |
0xffffff, |
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/* Scanline 2 */ |
0xffffff, |
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0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 3 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfdfdfd, |
0xf9f9f8, |
0xf5f3f1, |
0xf3f1ee, |
0xf3f2ef, |
0xf7f7f6, |
0xfbfbfb, |
0xfefefe, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 4 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefd, |
0xf9f9f8, |
0xf3f1ed, |
0xeeeae4, |
0xece8df, |
0xebe6de, |
0xeae5dd, |
0xeae5dd, |
0xeae5de, |
0xeae8e4, |
0xf1f1f0, |
0xfbfbfb, |
0xfefefe, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 5 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefd, |
0xf9f9f8, |
0xf4f2ef, |
0xefebe5, |
0xf0ece5, |
0xeeeae4, |
0xe3e0db, |
0xdfdcd8, |
0xe2e0db, |
0xeeebe6, |
0xeeebe5, |
0xeae5dd, |
0xe8e4db, |
0xe5e1db, |
0xe9e9e8, |
0xfafafa, |
0xfefefe, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 6 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefd, |
0xfaf9f9, |
0xf4f3ef, |
0xefece6, |
0xf0ece5, |
0xeeebe5, |
0xdfdcd7, |
0xc6c4bd, |
0xbebcb5, |
0xcfcdc8, |
0xd3d2cd, |
0xd1cfca, |
0xc0beb7, |
0xcccac3, |
0xeae7e3, |
0xe9e5dd, |
0xe7e3da, |
0xdedbd8, |
0xe8e8e7, |
0xfbfbfb, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 7 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefe, |
0xfafafa, |
0xf5f4f0, |
0xf1eee8, |
0xf0ece4, |
0xf0ede7, |
0xe1ded9, |
0xc9c7c1, |
0xbebcb4, |
0xd1cfca, |
0xecebe8, |
0xf9f9f7, |
0xfaf9f7, |
0xf8f6f4, |
0xf7f5f2, |
0xf4f3f1, |
0xdcdad6, |
0xc2c0b9, |
0xe6e4de, |
0xe5e2dc, |
0xe2ddd8, |
0xd7d5d4, |
0xf2f2f1, |
0xfefefe, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 8 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefe, |
0xfbfbfb, |
0xf6f5f2, |
0xf1eee9, |
0xf1ede5, |
0xf1ede6, |
0xe4e1db, |
0xcecbc4, |
0xbebcb5, |
0xcfcdc8, |
0xe7e6e4, |
0xf8f8f6, |
0xfafaf8, |
0xf9f7f5, |
0xf7f5f2, |
0xf5f3f0, |
0xf5f3f0, |
0xf5f3f0, |
0xf4f2ef, |
0xf4f2ef, |
0xd9d7d2, |
0xc8c5bf, |
0xe9e5e0, |
0xe4dfd8, |
0xd5d2ce, |
0xe1e1e1, |
0xfbfbfb, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 9 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefe, |
0xfbfbfb, |
0xf7f6f3, |
0xf2efea, |
0xf1ede6, |
0xf1eee7, |
0xe5e3de, |
0xd0cec7, |
0xbfbdb5, |
0xcdcbc5, |
0xe4e3e0, |
0xf7f7f6, |
0xfbfaf9, |
0xf9f8f6, |
0xf8f6f3, |
0xf7f5f2, |
0xf6f4f1, |
0xf5f3f0, |
0xf5f3f0, |
0xf4f2ef, |
0xf4f2ef, |
0xf4f2ef, |
0xf3f1ee, |
0xf1efeb, |
0xc5c2bb, |
0xe2dfdb, |
0xe5e0da, |
0xded9d3, |
0xd3d2d1, |
0xf4f4f4, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 10 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefe, |
0xfcfcfb, |
0xf8f6f4, |
0xf3f0eb, |
0xf1eee7, |
0xf2efe8, |
0xe8e5df, |
0xd3d1cb, |
0xc0beb6, |
0xcbc9c3, |
0xe1e0dc, |
0xf5f4f3, |
0xfbfaf8, |
0xfaf9f7, |
0xf8f7f4, |
0xf8f6f3, |
0xf7f5f2, |
0xf7f5f2, |
0xf6f4f1, |
0xf5f3f0, |
0xf5f3f0, |
0xf4f2ef, |
0xf4f2ef, |
0xf3f1ee, |
0xf3f1ee, |
0xf2f0ec, |
0xf2efec, |
0xdbd9d4, |
0xcdcbc4, |
0xe8e4de, |
0xe3ded7, |
0xd0cecb, |
0xe7e7e6, |
0xfdfdfc, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 11 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefe, |
0xfcfcfb, |
0xf8f7f4, |
0xf4f1ed, |
0xf2eee8, |
0xf3efe9, |
0xeae7e1, |
0xd6d4cd, |
0xc3c1b9, |
0xcac8c2, |
0xdddcd8, |
0xf3f2f1, |
0xfafaf8, |
0xfbfaf7, |
0xf9f7f5, |
0xf8f6f4, |
0xf8f6f3, |
0xf7f5f2, |
0xf7f5f2, |
0xf6f4f1, |
0xf6f4f1, |
0xf5f3f0, |
0xf5f3f0, |
0xf4f2ef, |
0xf3f1ee, |
0xf3f1ee, |
0xf3f1ed, |
0xf2f0ec, |
0xf1efeb, |
0xf1eeeb, |
0xece9e5, |
0xc3c1ba, |
0xe5e3de, |
0xe3ded7, |
0xd9d5d0, |
0xd6d5d5, |
0xf7f7f7, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 12 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefe, |
0xfcfcfc, |
0xf9f8f5, |
0xf5f2ee, |
0xf3efe8, |
0xf4f0e9, |
0xece9e3, |
0xd9d7d1, |
0xc4c2bb, |
0xc8c6c0, |
0xd9d8d4, |
0xf1f0ef, |
0xfaf9f8, |
0xfbfaf8, |
0xfaf8f5, |
0xf9f7f4, |
0xf8f6f4, |
0xf8f6f3, |
0xf8f6f3, |
0xf7f5f2, |
0xf7f5f2, |
0xf6f4f1, |
0xf5f3f0, |
0xf5f3f0, |
0xf4f2ef, |
0xf4f2ef, |
0xf3f1ee, |
0xf3f1ee, |
0xf2f0ec, |
0xf2efec, |
0xf1eeeb, |
0xf1eeeb, |
0xf0edea, |
0xf0ede9, |
0xd2cfc9, |
0xd3d2cc, |
0xe4e0db, |
0xded9d3, |
0xcfccca, |
0xededec, |
0xfefefe, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 13 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfdfdfd, |
0xf9f9f7, |
0xf5f3f0, |
0xf3efe8, |
0xf4f0e9, |
0xeeeae5, |
0xdddad4, |
0xc7c4bd, |
0xc7c6bf, |
0xd7d6d1, |
0xeeedeb, |
0xf9f9f8, |
0xfcfbfa, |
0xfaf9f6, |
0xf9f7f4, |
0xf9f7f4, |
0xf9f7f4, |
0xf8f6f4, |
0xf8f6f3, |
0xf7f5f2, |
0xf7f5f2, |
0xf7f5f2, |
0xf6f4f1, |
0xf5f3f0, |
0xf5f3f0, |
0xf4f2ef, |
0xf3f1ee, |
0xf3f1ee, |
0xf3f1ed, |
0xf2f0ec, |
0xf1efeb, |
0xf1eeeb, |
0xf1eeea, |
0xf0ede9, |
0xefece8, |
0xefece8, |
0xe4e2dd, |
0xc4c2bb, |
0xe5e2de, |
0xdfdad3, |
0xd3d0cb, |
0xdbdbdb, |
0xfafafa, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 14 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfdfdfd, |
0xfaf9f7, |
0xf6f4f0, |
0xf3f0e9, |
0xf4f0ea, |
0xefece6, |
0xdfddd7, |
0xcbc8c1, |
0xc7c5be, |
0xd4d3ce, |
0xebebe8, |
0xf8f8f6, |
0xfcfcfa, |
0xfbfaf7, |
0xfaf9f6, |
0xf9f7f5, |
0xf9f7f4, |
0xf9f7f4, |
0xf9f7f4, |
0xf8f6f4, |
0xf7f5f2, |
0xf7f5f2, |
0xf7f5f2, |
0xf7f5f2, |
0xf6f4f1, |
0xf5f3f0, |
0xf4f2ef, |
0xf4f2ef, |
0xf3f1ee, |
0xf3f1ed, |
0xf2f0ec, |
0xf2efec, |
0xf1eeeb, |
0xf1eeeb, |
0xf0edea, |
0xf0ede9, |
0xefece8, |
0xefece8, |
0xeeebe7, |
0xedeae6, |
0xc8c6bf, |
0xdcdad5, |
0xe1dcd6, |
0xdbd7d0, |
0xd0cfcd, |
0xf1f0f0, |
0xfefefe, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 15 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefe, |
0xfafaf9, |
0xf7f5f1, |
0xf4f1ea, |
0xf5f1ea, |
0xf1ede7, |
0xe2e0da, |
0xcccac3, |
0xc6c5be, |
0xd1cfca, |
0xe9e8e6, |
0xf8f7f6, |
0xfcfcfb, |
0xfbfaf8, |
0xfaf9f6, |
0xfaf9f6, |
0xf9f8f5, |
0xf9f7f4, |
0xf9f7f4, |
0xf9f7f4, |
0xf8f6f4, |
0xf8f6f3, |
0xf7f5f2, |
0xf7f5f2, |
0xf7f5f2, |
0xf6f4f1, |
0xf5f3f0, |
0xf4f2ef, |
0xf4f2ef, |
0xf3f1ee, |
0xf3f1ee, |
0xf2f0ed, |
0xf2f0ec, |
0xf2efec, |
0xf1eeeb, |
0xf1eeeb, |
0xf0edea, |
0xf0ede9, |
0xefece8, |
0xeeebe7, |
0xeeebe7, |
0xedeae6, |
0xedeae5, |
0xdedbd5, |
0xc7c6bf, |
0xe5e2dd, |
0xded9d3, |
0xcfcdc9, |
0xe2e2e2, |
0xfbfbfb, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 16 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefe, |
0xfbfbf9, |
0xf6f3ed, |
0xf4f1e9, |
0xf4f1eb, |
0xe7e4df, |
0xcfcdc6, |
0xc7c5be, |
0xceccc7, |
0xe6e5e2, |
0xf7f6f5, |
0xfdfcfb, |
0xfcfbf9, |
0xfaf9f7, |
0xfaf9f6, |
0xfaf9f6, |
0xfaf9f6, |
0xf9f8f5, |
0xf9f7f4, |
0xf9f7f4, |
0xf9f7f4, |
0xf8f6f4, |
0xf8f6f3, |
0xf7f5f2, |
0xf7f5f2, |
0xf7f5f2, |
0xf6f4f1, |
0xf5f3f0, |
0xf4f2ef, |
0xf4f2ef, |
0xf3f1ee, |
0xe0dedb, |
0xb4b2b1, |
0xb6b5b4, |
0xe0dddb, |
0xf1eeeb, |
0xf1eeea, |
0xf0ede9, |
0xefece8, |
0xefece8, |
0xeeebe7, |
0xeeebe7, |
0xedeae6, |
0xece9e5, |
0xece9e4, |
0xe8e6e1, |
0xc3c1ba, |
0xdfddd9, |
0xddd9d3, |
0xd6d3cd, |
0xd3d2d1, |
0xf5f5f4, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 17 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfafaf9, |
0xf4f0e8, |
0xf5f1ea, |
0xf3f1ed, |
0xcbc9c3, |
0xcac8c2, |
0xe3e2df, |
0xf5f4f3, |
0xfdfcfb, |
0xfdfbfa, |
0xfcfaf8, |
0xfbf9f7, |
0xfaf9f6, |
0xfaf9f6, |
0xfaf9f6, |
0xf9f8f5, |
0xf9f7f4, |
0xf9f7f4, |
0xf9f7f4, |
0xf8f6f4, |
0xf8f6f4, |
0xf7f5f2, |
0xf7f5f2, |
0xf7f5f2, |
0xf7f5f2, |
0xf6f4f1, |
0xf4f2ef, |
0xf4f2ef, |
0xf3f1ee, |
0xf3f1ee, |
0xe1dedc, |
0x7f7e7e, |
0x706f6f, |
0x757374, |
0x8c8c8b, |
0xe1dedb, |
0xf0ede9, |
0xefece8, |
0xefece8, |
0xeeebe7, |
0xedeae6, |
0xedeae5, |
0xece9e4, |
0xebe9e4, |
0xeae8e3, |
0xeae8e3, |
0xd4d2cb, |
0xcdcbc5, |
0xe1ded8, |
0xdad6cf, |
0xcdcbc8, |
0xe8e8e8, |
0xfdfdfd, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 18 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfcfcfc, |
0xf4f0eb, |
0xf4f0e7, |
0xf8f6f3, |
0xc6c4bd, |
0xdcdad7, |
0xfbfbfa, |
0xfdfcfb, |
0xfcfaf8, |
0xfcfaf8, |
0xfbfaf7, |
0xfaf9f6, |
0xfaf9f6, |
0xfaf9f6, |
0xfaf9f6, |
0xf9f7f5, |
0xf9f7f4, |
0xf9f7f4, |
0xf8f6f4, |
0xf8f6f4, |
0xf8f6f3, |
0xf7f5f2, |
0xf7f5f2, |
0xf7f5f2, |
0xf6f4f1, |
0xf5f3f0, |
0xf4f2ef, |
0xf4f2ef, |
0xf3f1ee, |
0xf3f1ee, |
0xf3f1ed, |
0xb3b1af, |
0x716f70, |
0x7c7b7b, |
0x898989, |
0x8f8e8e, |
0xbdbbba, |
0xeeebe7, |
0xeeebe7, |
0xeeebe7, |
0xedeae6, |
0xece9e5, |
0xece9e4, |
0xebe8e3, |
0xeae8e3, |
0xe9e7e2, |
0xe8e6e1, |
0xe2e0db, |
0xc1bfb8, |
0xe2dfdb, |
0xdad7d0, |
0xd2d0cb, |
0xd7d7d7, |
0xf8f8f7, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 19 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xf0f0ef, |
0xf1ede4, |
0xf8f6f0, |
0xdbd9d4, |
0xd3d2cd, |
0xfdfcfb, |
0xfcfbf9, |
0xfcfaf8, |
0xfcfaf8, |
0xfbfaf7, |
0xfaf9f6, |
0xfaf9f6, |
0xfaf9f6, |
0xf9f8f5, |
0xf9f7f5, |
0xf9f7f4, |
0xf9f7f4, |
0xf8f6f4, |
0xf8f6f4, |
0xf8f6f3, |
0xf7f5f2, |
0xf7f5f2, |
0xf6f4f1, |
0xf5f3f0, |
0xf4f2ef, |
0xf4f2ef, |
0xf4f2ef, |
0xf3f1ee, |
0xf3f1ee, |
0xf2f0ed, |
0xf2f0ec, |
0xaeacab, |
0x7a7979, |
0x8f8e8e, |
0xa3a2a2, |
0xabaaab, |
0xafaead, |
0xe8e5e1, |
0xeeebe7, |
0xedeae6, |
0xece9e4, |
0xebe8e4, |
0xeae8e3, |
0xe9e7e2, |
0xe9e7e2, |
0xe8e6e1, |
0xe7e5e0, |
0xe7e4df, |
0xcac8c1, |
0xd4d2cc, |
0xdcd9d3, |
0xd6d3ce, |
0xcdccca, |
0xeeeeed, |
0xfefefe, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 20 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefd, |
0xe1e0dd, |
0xf0ebe2, |
0xfbfaf7, |
0xc3c1ba, |
0xf3f2f0, |
0xfcfbf9, |
0xfcfaf8, |
0xfcfaf8, |
0xfbf9f7, |
0xfaf9f6, |
0xfaf9f6, |
0xfaf9f6, |
0xf9f8f5, |
0xf9f7f4, |
0xf9f7f4, |
0xf8f6f4, |
0xf8f6f4, |
0xf8f6f4, |
0xf7f5f2, |
0xf7f5f2, |
0xf7f5f2, |
0xf6f4f1, |
0xf5f3f0, |
0xf4f2ef, |
0xf4f2ef, |
0xf3f1ee, |
0xf3f1ee, |
0xf3f1ee, |
0xf2f0ec, |
0xf2f0ec, |
0xf1eeeb, |
0xd5d3d1, |
0x838282, |
0x9d9c9c, |
0xb4b3b3, |
0xbdbcbd, |
0xb6b5b5, |
0xd7d4d1, |
0xedeae6, |
0xece9e5, |
0xeae8e3, |
0xeae8e3, |
0xe9e7e2, |
0xe9e7e2, |
0xe7e5e0, |
0xe7e4df, |
0xe6e3de, |
0xe5e2dd, |
0xdbd8d3, |
0xc3c0ba, |
0xe1ded9, |
0xd8d4ce, |
0xcdcac6, |
0xdedddd, |
0xfafafa, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 21 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfcfcfc, |
0xd2d1cd, |
0xefeae1, |
0xfcfaf8, |
0xc3c1ba, |
0xf9f8f7, |
0xfcfaf8, |
0xfcfaf8, |
0xfbf9f7, |
0xfaf9f6, |
0xfaf9f6, |
0xfaf9f6, |
0xf9f7f5, |
0xf9f7f4, |
0xf9f7f4, |
0xf8f6f4, |
0xf8f6f4, |
0xf8f6f3, |
0xf7f5f2, |
0xf7f5f2, |
0xf0eeeb, |
0xebe9e6, |
0xf3f1ee, |
0xf4f2ef, |
0xf4f2ef, |
0xf3f1ee, |
0xf3f1ee, |
0xf3f1ed, |
0xf2f0ec, |
0xf2efec, |
0xf1eeeb, |
0xf1eeea, |
0xefece9, |
0x9c9b9a, |
0xa1a0a0, |
0xb9b7b8, |
0xc2c0c1, |
0xbfbdbe, |
0xc2c1c0, |
0xe9e6e2, |
0xeae8e3, |
0xe9e7e2, |
0xe9e7e2, |
0xe8e6e1, |
0xe7e5e0, |
0xe7e4df, |
0xe6e3de, |
0xe5e2dd, |
0xe4e1dc, |
0xe3dfda, |
0xc4c1ba, |
0xdbd9d4, |
0xd8d5ce, |
0xd4d0cb, |
0xcfcecd, |
0xf2f2f2, |
0xfefefe, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfdfdfd, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xe3e3e3, |
0xbbbbbb, |
0x9d9d9d, |
0x989898, |
0xa4a4a4, |
0xbfbfbf, |
0xeaeaea, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xf1f1f1, |
0xc4c4c4, |
0xa6a6a6, |
0x989898, |
0xa2a2a2, |
0xc5c5c5, |
0xf1f0f0, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 22 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfbfbfb, |
0xb9b8b6, |
0xeae5dd, |
0xf9f6f3, |
0xc4c2bb, |
0xf2f2f0, |
0xfbfaf7, |
0xfaf9f6, |
0xfaf9f6, |
0xfaf9f6, |
0xf9f8f5, |
0xf9f7f5, |
0xf9f7f4, |
0xf8f6f4, |
0xf8f6f4, |
0xf8f6f4, |
0xf8f6f3, |
0xf7f5f2, |
0xf6f4f1, |
0xd2d0ce, |
0x908f8e, |
0x888686, |
0xb3b1b0, |
0xedebe8, |
0xf3f1ee, |
0xf3f1ee, |
0xf3f1ed, |
0xf2f0ec, |
0xf2efec, |
0xf1eeeb, |
0xf0edea, |
0xf0ede9, |
0xefece8, |
0xc6c4c2, |
0x9c9b9b, |
0xb4b3b3, |
0xc1bfc0, |
0xc1c0c0, |
0xbab9b9, |
0xdeddd9, |
0xe9e7e2, |
0xe9e7e2, |
0xe7e5e0, |
0xe7e4df, |
0xe7e4df, |
0xe5e2dd, |
0xe4e1dc, |
0xe4e0db, |
0xe4e0db, |
0xe3dfda, |
0xd4d1cb, |
0xc6c4bd, |
0xdfdcd7, |
0xd7d3cc, |
0xcbc9c6, |
0xe4e4e4, |
0xfcfcfc, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xcbcbcb, |
0x5f5f5f, |
0x343434, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x363636, |
0x737272, |
0xdedede, |
0xffffff, |
0xffffff, |
0xffffff, |
0xf2f1f1, |
0x8e8e8e, |
0x3b3b3b, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x393939, |
0x8a8a8a, |
0xf2f2f2, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 23 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfbfbfb, |
0xbbbbba, |
0xc8c4bd, |
0xf4f1eb, |
0xd6d4cf, |
0xdbd9d5, |
0xfaf9f6, |
0xfaf9f6, |
0xfaf9f6, |
0xf9f8f5, |
0xf9f7f4, |
0xf9f7f4, |
0xf8f6f4, |
0xf8f6f4, |
0xf8f6f4, |
0xf7f5f3, |
0xf7f5f2, |
0xf6f4f1, |
0xe4e2df, |
0x7f7e7e, |
0x717071, |
0x7a7878, |
0x807f7f, |
0xbbbab9, |
0xf3f1ee, |
0xf2f0ec, |
0xf2f0ec, |
0xf1eeeb, |
0xf1eeeb, |
0xf0edea, |
0xf0ede9, |
0xefece8, |
0xefece8, |
0xe7e4e0, |
0x999897, |
0xacabab, |
0xbebcbd, |
0xc3c1c2, |
0xbebcbd, |
0xc9c8c7, |
0xe7e5e0, |
0xe7e5e0, |
0xe7e4df, |
0xe6e3de, |
0xe5e2dd, |
0xe4e1dc, |
0xe4e0db, |
0xe3dfda, |
0xe3dfda, |
0xe2ded9, |
0xdedad5, |
0xc0beb6, |
0xdedad5, |
0xd6d2cb, |
0xd1cec8, |
0xd2d2d2, |
0xf6f6f6, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7e7e7e, |
0x323232, |
0x323232, |
0xa9a9a9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7d7d7d, |
0x323232, |
0x323232, |
0xababab, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x565656, |
0x323232, |
0x494949, |
0xf2f2f2, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xb0afaf, |
0x383838, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x414141, |
0xc8c8c8, |
0xffffff, |
0xefefef, |
0x626262, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x575656, |
0xefefef, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 24 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfdfdfc, |
0xd9d9d9, |
0x9a9893, |
0xede9e0, |
0xefede8, |
0xc3c1bb, |
0xf7f6f3, |
0xfaf9f6, |
0xf9f8f5, |
0xf9f7f4, |
0xf8f6f4, |
0xf8f6f4, |
0xf8f6f4, |
0xf8f6f3, |
0xf7f5f2, |
0xf7f5f2, |
0xf6f4f1, |
0xf5f3f0, |
0xcac9c7, |
0x717071, |
0x7e7e7e, |
0x908f8f, |
0x9a9998, |
0xa5a4a3, |
0xebeae6, |
0xf2efec, |
0xf1eeeb, |
0xf0edea, |
0xf0ede9, |
0xefece8, |
0xefece8, |
0xeeebe7, |
0xeeebe7, |
0xedeae6, |
0xb5b3b1, |
0xa2a1a1, |
0xb8b7b7, |
0xc2c0c1, |
0xc1bfc0, |
0xbcbaba, |
0xe1dfda, |
0xe7e4df, |
0xe6e3de, |
0xe5e1dc, |
0xe4e0db, |
0xe4e0db, |
0xe3dfda, |
0xe2deda, |
0xe1ddd8, |
0xe1ddd8, |
0xe0dbd6, |
0xcbc8c1, |
0xceccc7, |
0xdad7d1, |
0xd4d0ca, |
0xcbc9c7, |
0xeaeae9, |
0xfdfdfd, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7e7e7e, |
0x323232, |
0x323232, |
0xa9a9a9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7d7d7d, |
0x323232, |
0x323232, |
0xababab, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x565656, |
0x323232, |
0x494949, |
0xf2f2f2, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xd6d6d6, |
0x3b3b3b, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x555555, |
0xececec, |
0x919191, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x7e7e7e, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 25 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefe, |
0xe9e9e9, |
0x989694, |
0xd8d4cc, |
0xf5f3ed, |
0xc8c6bf, |
0xe8e6e2, |
0xf9f7f5, |
0xf9f7f4, |
0xf8f6f4, |
0xf8f6f4, |
0xf8f6f4, |
0xf7f5f3, |
0xf7f5f2, |
0xf6f4f1, |
0xf6f4f1, |
0xf5f3f0, |
0xf4f2ef, |
0xd8d6d4, |
0x7d7d7c, |
0x8f8e8e, |
0xa6a5a6, |
0xb3b2b3, |
0xb1b0b0, |
0xd7d5d2, |
0xf1eeeb, |
0xf0edea, |
0xf0ede9, |
0xefece8, |
0xefece8, |
0xeeebe7, |
0xedeae6, |
0xedeae6, |
0xece9e5, |
0xd3d0cd, |
0x999897, |
0xb1afb0, |
0xc0bebf, |
0xc3c1c2, |
0xbbbabb, |
0xd2d0cc, |
0xe5e2dd, |
0xe4e1dc, |
0xe4e0db, |
0xe3dfda, |
0xe3dfda, |
0xe2ded9, |
0xe1ddd8, |
0xe0dcd7, |
0xe0dbd6, |
0xdfdad5, |
0xd9d5cf, |
0xbfbdb6, |
0xdedcd8, |
0xd4d0ca, |
0xcccac6, |
0xd9d8d8, |
0xf9f9f9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7e7e7e, |
0x323232, |
0x323232, |
0xa9a9a9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7d7d7d, |
0x323232, |
0x323232, |
0xababab, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x565656, |
0x323232, |
0x494949, |
0xf2f2f2, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7a7a7a, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x494949, |
0x666565, |
0x3f3f3f, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x939392, |
0x4e4e4e, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x3f3f3f, |
0x686868, |
0x4c4c4c, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x343434, |
0xe8e7e7, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 26 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xf5f5f4, |
0xbcbbba, |
0xaaa7a2, |
0xbebcb6, |
0xa19f9c, |
0xa5a4a1, |
0xf4f2f0, |
0xf8f6f4, |
0xf8f6f4, |
0xf8f6f3, |
0xf7f5f2, |
0xf7f5f2, |
0xf6f4f1, |
0xf6f4f1, |
0xf5f3f0, |
0xf4f2ef, |
0xf4f2ef, |
0xedebe8, |
0x9c9b9a, |
0x999898, |
0xb3b1b2, |
0xc0bebf, |
0xbebcbd, |
0xc2c0c0, |
0xefece9, |
0xefece8, |
0xefece8, |
0xeeebe7, |
0xeeebe7, |
0xedeae6, |
0xedeae6, |
0xe4e1de, |
0xc7c5c2, |
0x9b9a99, |
0x8d8c8c, |
0xa9a8a8, |
0xbdbbbb, |
0xc3c1c2, |
0xc0bebe, |
0xc1bfbe, |
0xe1ded9, |
0xe4e0db, |
0xe3dfda, |
0xe2deda, |
0xe1ddd9, |
0xe1ddd8, |
0xe0dbd6, |
0xe0dbd6, |
0xdedad5, |
0xdddad5, |
0xdcd8d3, |
0xc4c1bb, |
0xd5d3ce, |
0xd6d2cc, |
0xd2cec9, |
0xcbcac9, |
0xefefef, |
0xfefefe, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7e7e7e, |
0x323232, |
0x323232, |
0xa9a9a9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7d7d7d, |
0x323232, |
0x323232, |
0xababab, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x565656, |
0x323232, |
0x494949, |
0xf2f2f2, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xf6f6f6, |
0x424242, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x565656, |
0xebebeb, |
0xffffff, |
0xd4d4d4, |
0x414141, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x414141, |
0x343434, |
0x323232, |
0x323232, |
0x323232, |
0x434343, |
0xe1e1e0, |
0xffffff, |
0xf1f1f1, |
0x575757, |
0x323232, |
0x323232, |
0x323232, |
0x333333, |
0xaeaeae, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 27 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfcfcfc, |
0xe0e0e0, |
0x8e8c89, |
0x696865, |
0x343434, |
0x343434, |
0xc8c7c7, |
0xf8f6f4, |
0xf7f5f3, |
0xf7f5f2, |
0xf6f4f1, |
0xf6f4f1, |
0xf6f4f1, |
0xf5f3f0, |
0xf4f2ef, |
0xf4f2ef, |
0xf3f1ee, |
0xf3f1ed, |
0xc4c2c1, |
0x989797, |
0xb3b1b2, |
0xc1bfc0, |
0xc2c0c1, |
0xbcbabb, |
0xe1dfdc, |
0xeeebe7, |
0xeeebe7, |
0xedeae6, |
0xebe8e4, |
0xdedbd8, |
0xb0aeac, |
0x828181, |
0x6f6e6f, |
0x797877, |
0x8c8c8c, |
0xa7a6a6, |
0xbab9ba, |
0xc3c1c2, |
0xc2c0c1, |
0xb9b8b8, |
0xd7d4d0, |
0xe3dfda, |
0xe2deda, |
0xe1ddd8, |
0xe0dcd7, |
0xe0dbd6, |
0xdfdad5, |
0xdedad5, |
0xddd9d4, |
0xdbd8d3, |
0xdad7d2, |
0xd2cfca, |
0xc0beb7, |
0xdddad6, |
0xd4d0ca, |
0xcbc8c5, |
0xdfdfdf, |
0xfbfbfb, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7e7e7e, |
0x323232, |
0x323232, |
0xa9a9a9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7d7d7d, |
0x323232, |
0x323232, |
0xababab, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x565656, |
0x323232, |
0x494949, |
0xf2f2f2, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xdedede, |
0x3b3b3b, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x929291, |
0xffffff, |
0xffffff, |
0xfdfdfd, |
0x616161, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x5c5c5c, |
0xffffff, |
0xffffff, |
0xfefefe, |
0x848484, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x858585, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 28 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefe, |
0xefefef, |
0xacaaaa, |
0x83807c, |
0x403f3f, |
0x323232, |
0x7d7c7c, |
0xf4f2f0, |
0xf7f5f2, |
0xf6f4f1, |
0xf6f4f1, |
0xf5f3f0, |
0xf5f3f0, |
0xf4f2ef, |
0xf3f1ee, |
0xf3f1ee, |
0xf2f0ed, |
0xf2f0ec, |
0xe5e2e0, |
0x9e9d9d, |
0xacabab, |
0xbebcbd, |
0xc2c1c1, |
0xbdbcbc, |
0xcccac8, |
0xedeae6, |
0xe8e5e2, |
0xcdcbc9, |
0x9b9a98, |
0x767575, |
0x717070, |
0x777676, |
0x7e7e7d, |
0x8b8a8a, |
0x9c9b9b, |
0xafaeae, |
0xbdbcbc, |
0xc3c1c2, |
0xc3c1c2, |
0xbebdbd, |
0xc6c4c2, |
0xe1ddd9, |
0xe1dcd7, |
0xe0dbd6, |
0xe0dbd6, |
0xdfdad5, |
0xddd9d4, |
0xddd9d4, |
0xdbd8d3, |
0xdad7d2, |
0xd9d6d1, |
0xd8d5cf, |
0xc0bdb6, |
0xdbd9d4, |
0xd4d0ca, |
0xd1cdc8, |
0xcecdcc, |
0xf3f3f3, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7e7e7e, |
0x323232, |
0x323232, |
0xa9a9a9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7d7d7d, |
0x323232, |
0x323232, |
0xababab, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfdfdfd, |
0xe0e0e0, |
0xbfbfbf, |
0xb4b4b4, |
0xc0c0c0, |
0xdfdfdf, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x565656, |
0x323232, |
0x494949, |
0xf2f2f2, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xebebeb, |
0xc8c8c8, |
0xb4b4b4, |
0xbababa, |
0xd5d4d4, |
0xfafafa, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xf1f1f1, |
0xc7c7c7, |
0xb4b4b4, |
0xbfbfbf, |
0xdddddd, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xd5d5d5, |
0x393939, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0xb1b1b1, |
0xffffff, |
0xffffff, |
0xffffff, |
0x787878, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x474747, |
0xebebeb, |
0xffffff, |
0xffffff, |
0xa3a3a3, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x747474, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 29 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xf9f9f9, |
0xd0d0d0, |
0x8c8a85, |
0x595958, |
0x333333, |
0x414141, |
0xe0dfdc, |
0xf6f4f1, |
0xf6f4f1, |
0xf5f3f0, |
0xf5f3f0, |
0xf4f2ef, |
0xf3f1ee, |
0xf3f1ed, |
0xf2f0ec, |
0xf2efec, |
0xf1eeeb, |
0xf0edea, |
0xb7b5b4, |
0xa2a1a1, |
0xb9b8b8, |
0xc2c0c1, |
0xc1c0c0, |
0xbbb9ba, |
0xcac8c5, |
0x999797, |
0x747373, |
0x737272, |
0x7a7979, |
0x848382, |
0x8f8e8e, |
0x9a9999, |
0xa6a5a5, |
0xb1b0b1, |
0xbbb9ba, |
0xc1bfc0, |
0xc4c2c3, |
0xc4c2c3, |
0xc1bfc0, |
0xbbb9b9, |
0xdad6d2, |
0xe0dbd6, |
0xdfdbd6, |
0xdedad5, |
0xddd9d4, |
0xdcd8d3, |
0xdad7d2, |
0xdad7d2, |
0xd9d6d1, |
0xd9d6d0, |
0xd9d6d0, |
0xccc9c3, |
0xc6c4be, |
0xdbd8d3, |
0xd4d0ca, |
0xcac8c5, |
0xe6e6e6, |
0xfdfdfc, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7e7e7e, |
0x323232, |
0x323232, |
0xa9a9a9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7d7d7d, |
0x323232, |
0x323232, |
0xababab, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfafafa, |
0xb1b0b0, |
0x505050, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x333333, |
0x5c5c5c, |
0xd1d1d1, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x565656, |
0x323232, |
0x494949, |
0xf2f2f2, |
0xffffff, |
0xffffff, |
0xffffff, |
0xcfcfcf, |
0x676767, |
0x363636, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x484847, |
0xacacac, |
0xfbfbfb, |
0xffffff, |
0xffffff, |
0xe2e2e2, |
0x4d4d4d, |
0x4e4e4e, |
0xa4a4a4, |
0xfaf9f9, |
0x979797, |
0x3b3b3b, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x585857, |
0xcbcbcb, |
0xffffff, |
0xffffff, |
0xd5d5d5, |
0x393939, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0xb1b1b1, |
0xffffff, |
0xffffff, |
0xffffff, |
0x787878, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x757575, |
0xf4f4f4, |
0xffffff, |
0xf2f2f2, |
0xe3e3e3, |
0xe3e3e3, |
0xe3e3e3, |
0xe4e4e4, |
0xebebeb, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 30 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfdfdfd, |
0xe9e9e9, |
0x9f9d9a, |
0x787672, |
0x393939, |
0x323232, |
0xa2a1a0, |
0xf6f4f1, |
0xf5f3f0, |
0xf4f2ef, |
0xf3f1ee, |
0xf3f1ee, |
0xf2f0ed, |
0xf2f0ec, |
0xf1efec, |
0xf1eeeb, |
0xf0edea, |
0xf0ede9, |
0xd8d6d3, |
0x999898, |
0xb1b0b0, |
0xbfbebe, |
0xc2c0c1, |
0xbbbabb, |
0xa9a8a8, |
0x929191, |
0x868585, |
0x8a8888, |
0x939292, |
0xa09f9f, |
0xabaaaa, |
0xb4b2b3, |
0xbbb9ba, |
0xc3c1c2, |
0xceccca, |
0xc3c1c2, |
0xc3c1c2, |
0xc3c1c2, |
0xc3c1c2, |
0xbcbbbb, |
0xcbc8c6, |
0xdfdad5, |
0xddd9d4, |
0xddd9d4, |
0xdbd8d3, |
0xdad7d2, |
0xdad7d2, |
0xd9d6d0, |
0xd9d6d0, |
0xd8d5cf, |
0xd8d5cf, |
0xd5d1cb, |
0xbdbbb3, |
0xdcd9d6, |
0xd4d0ca, |
0xd0cdc7, |
0xd3d3d3, |
0xf7f7f7, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7e7e7e, |
0x323232, |
0x323232, |
0xa9a9a9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7d7d7d, |
0x323232, |
0x323232, |
0xababab, |
0xffffff, |
0xffffff, |
0xf4f4f4, |
0x7b7a7a, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x373737, |
0xbcbcbc, |
0xffffff, |
0xffffff, |
0xffffff, |
0x565656, |
0x323232, |
0x494949, |
0xf2f2f2, |
0xffffff, |
0xffffff, |
0xa7a7a7, |
0x393939, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x343434, |
0x888888, |
0xf9f9f9, |
0xffffff, |
0xdedede, |
0x323232, |
0x323232, |
0x8f8f8f, |
0x7f7f7f, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x353535, |
0xc4c4c4, |
0xffffff, |
0xd5d5d5, |
0x393939, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0xb1b1b1, |
0xffffff, |
0xffffff, |
0xffffff, |
0x787878, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x424242, |
0x484848, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x595959, |
0xc7c7c7, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 31 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xf4f4f4, |
0xbdbcbb, |
0x898782, |
0x4b4a4a, |
0x323232, |
0x5d5d5d, |
0xebe9e7, |
0xf4f2ef, |
0xf3f1ee, |
0xf2f0ed, |
0xf2f0ec, |
0xf1efec, |
0xf1eeeb, |
0xf0eeea, |
0xf0edea, |
0xf0ede9, |
0xefece8, |
0xe9e6e3, |
0xa7a6a5, |
0xa7a6a6, |
0xbcbabb, |
0xc3c1c2, |
0xc0bebf, |
0xb6b4b5, |
0xa8a7a7, |
0xa2a0a0, |
0xa5a5a5, |
0xafaeae, |
0xb8b6b6, |
0xbdbcbc, |
0xc9c7c6, |
0xd7d5d2, |
0xe2deda, |
0xe3dfda, |
0xc6c4c3, |
0xbdbbbc, |
0xc1bfc0, |
0xc3c1c2, |
0xc0bebf, |
0xbebcbc, |
0xdad7d2, |
0xdcd9d4, |
0xdbd8d3, |
0xdad7d2, |
0xdad7d1, |
0xd9d6d0, |
0xd9d6d0, |
0xd8d5cf, |
0xd8d4cf, |
0xd7d3cd, |
0xd7d3cd, |
0xc4c2ba, |
0xd0cec8, |
0xd7d3cd, |
0xd3cfc9, |
0xc9c8c6, |
0xececec, |
0xfefefd, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7e7e7e, |
0x323232, |
0x323232, |
0xa9a9a9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7d7d7d, |
0x323232, |
0x323232, |
0xababab, |
0xffffff, |
0xfafafa, |
0x838383, |
0x323232, |
0x323232, |
0x424242, |
0x9f9f9f, |
0xdbdbdb, |
0xe3e3e3, |
0xcfcfcf, |
0x858585, |
0x353535, |
0x323232, |
0x3a3a39, |
0xe3e3e3, |
0xffffff, |
0xffffff, |
0x565656, |
0x323232, |
0x494949, |
0xf2f2f2, |
0xffffff, |
0xb6b6b6, |
0x383838, |
0x323232, |
0x363636, |
0x818181, |
0xcfcfcf, |
0xe4e4e4, |
0xd9d9d9, |
0xa1a0a0, |
0x454545, |
0x323232, |
0x353535, |
0xaaaaaa, |
0xffffff, |
0xdedede, |
0x323232, |
0x323232, |
0x444343, |
0x323232, |
0x4b4b4b, |
0xa9a8a8, |
0xdedede, |
0xe3e3e3, |
0xc3c3c2, |
0x5d5d5d, |
0x323232, |
0x323232, |
0x525252, |
0xfafafa, |
0xd5d5d5, |
0x393939, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0xb1b1b1, |
0xffffff, |
0xffffff, |
0xffffff, |
0x787878, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x4f4f4f, |
0x6f6f6f, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x353535, |
0x777777, |
0xe7e7e7, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 32 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfcfcfb, |
0xe0e0e0, |
0x92908b, |
0x6a6966, |
0x353535, |
0x343434, |
0xc7c6c6, |
0xf3f1ee, |
0xf2f0ed, |
0xf2f0ec, |
0xf1efec, |
0xf1eeeb, |
0xf0edea, |
0xf0edea, |
0xefece9, |
0xefece8, |
0xeeebe7, |
0xeeebe7, |
0xc8c7c4, |
0x9c9b9b, |
0xb5b4b4, |
0xc1bfc0, |
0xc3c1c2, |
0xbfbdbe, |
0xbab8b9, |
0xb8b6b7, |
0xbab9ba, |
0xc1c0c0, |
0xd0cecc, |
0xdfdcd8, |
0xe4e0db, |
0xe3dfda, |
0xe3dfda, |
0xe2deda, |
0xcfccc9, |
0xafaeae, |
0xbab8b9, |
0xc1c0c0, |
0xc2c0c1, |
0xbab9b9, |
0xcfcdc9, |
0xdad7d2, |
0xdad7d2, |
0xd9d6d1, |
0xd9d6d0, |
0xd9d6d0, |
0xd8d5cf, |
0xd8d4cf, |
0xd7d3cd, |
0xd7d3cd, |
0xd6d2cc, |
0xd2cec8, |
0xbdbbb3, |
0xdedbd7, |
0xd4d0ca, |
0xcbc9c5, |
0xdbdbda, |
0xfafafa, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7e7e7e, |
0x323232, |
0x323232, |
0x515151, |
0x686868, |
0x686868, |
0x686868, |
0x686868, |
0x686868, |
0x686868, |
0x686868, |
0x686868, |
0x686868, |
0x686868, |
0x686868, |
0x454545, |
0x323232, |
0x323232, |
0xababab, |
0xffffff, |
0xc6c6c6, |
0x363636, |
0x323232, |
0x4e4e4e, |
0xdddddd, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefe, |
0xadacad, |
0x323232, |
0x323232, |
0x808080, |
0xfefefe, |
0xffffff, |
0x565656, |
0x323232, |
0x494949, |
0xf2f2f2, |
0xefefef, |
0x4c4c4c, |
0x323232, |
0x393939, |
0xb5b5b5, |
0xfefefe, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xd6d6d6, |
0x464646, |
0x323232, |
0x525252, |
0xeeeeee, |
0xdedede, |
0x323232, |
0x323232, |
0x323232, |
0x575757, |
0xececec, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xf3f3f3, |
0x464646, |
0x323232, |
0x323232, |
0xd5d5d5, |
0xd5d5d5, |
0x393939, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0xb1b1b1, |
0xffffff, |
0xffffff, |
0xffffff, |
0x787878, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x525252, |
0xd3d3d3, |
0x4b4b4b, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x3d3d3d, |
0x9f9f9f, |
0xfcfcfc, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 33 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefe, |
0xefefef, |
0xacaba9, |
0x83807c, |
0x424141, |
0x323232, |
0x7c7c7b, |
0xf0efec, |
0xf2f0ec, |
0xf1eeec, |
0xf1eeeb, |
0xf0edea, |
0xf0edea, |
0xefece8, |
0xefece8, |
0xeeebe7, |
0xedeae6, |
0xedeae6, |
0xe2e0dc, |
0x9f9d9d, |
0xacabab, |
0xbebcbd, |
0xc3c1c2, |
0xc3c1c2, |
0xc3c1c2, |
0xc9c7c6, |
0xd8d6d3, |
0xe3e0dc, |
0xe5e2dd, |
0xe4e0db, |
0xe3dfda, |
0xe2deda, |
0xe2deda, |
0xe1ddd8, |
0xdcd8d4, |
0xa3a1a1, |
0xadacac, |
0xbdbcbc, |
0xc2c0c1, |
0xbebcbd, |
0xc1bfbe, |
0xd9d6d1, |
0xd9d6d0, |
0xd9d6d0, |
0xd8d5cf, |
0xd8d5cf, |
0xd8d4ce, |
0xd7d3cd, |
0xd7d3cd, |
0xd6d2cc, |
0xd6d2cc, |
0xd5d1cb, |
0xc0bdb5, |
0xd6d4d0, |
0xd4d0cb, |
0xd2cfc9, |
0xcbcac9, |
0xf1f1f0, |
0xfefefe, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7e7e7e, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0xababab, |
0xfbfbfb, |
0x757575, |
0x323232, |
0x3c3c3c, |
0xc6c6c6, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfbfbfb, |
0x605f5f, |
0x323232, |
0x393938, |
0xf3f3f3, |
0xffffff, |
0x565656, |
0x323232, |
0x494949, |
0xf2f2f2, |
0xacacac, |
0x343434, |
0x323232, |
0x939393, |
0xfdfdfd, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x9a9a9a, |
0x323232, |
0x353535, |
0xb8b8b8, |
0xdedede, |
0x323232, |
0x323232, |
0x3a3a3a, |
0xc6c6c6, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x8a8a8a, |
0x323232, |
0x323232, |
0xb2b2b2, |
0xd5d5d5, |
0x393939, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0xb1b1b1, |
0xffffff, |
0xffffff, |
0xffffff, |
0x787878, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x525252, |
0xefefef, |
0xd4d4d4, |
0x505050, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x333333, |
0x6e6e6e, |
0xf9f9f9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 34 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xf8f8f7, |
0xcecdcd, |
0x8d8b86, |
0x5c5b59, |
0x333333, |
0x434343, |
0xdcdbd9, |
0xf1eeeb, |
0xf0eeea, |
0xf0edea, |
0xefece9, |
0xefece8, |
0xeeebe7, |
0xeeebe7, |
0xedeae6, |
0xece9e5, |
0xece9e5, |
0xeae8e3, |
0xb5b4b2, |
0xa1a0a0, |
0xb7b6b7, |
0xc2c1c1, |
0xc4c2c3, |
0xc6c4c5, |
0xe2dfdb, |
0xe5e2dd, |
0xe4e1dc, |
0xe3dfda, |
0xe3dfda, |
0xe2deda, |
0xe1ddd9, |
0xe0dcd7, |
0xe0dbd6, |
0xe0dbd6, |
0xb4b2b0, |
0xa09f9f, |
0xb7b6b7, |
0xc2c0c1, |
0xc1c0c0, |
0xbbb9b9, |
0xd3d1cc, |
0xd9d6d0, |
0xd8d5cf, |
0xd8d4cf, |
0xd7d3ce, |
0xd7d3cd, |
0xd7d3cd, |
0xd6d2cc, |
0xd6d2cc, |
0xd5d1cb, |
0xd5d1cb, |
0xcdcac3, |
0xc0beb7, |
0xdddad5, |
0xd4d0ca, |
0xc9c7c4, |
0xe1e1e1, |
0xfcfcfc, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7e7e7e, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0xababab, |
0xe6e6e6, |
0x4b4b4b, |
0x323232, |
0x5b5b5b, |
0xfafafa, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xa8a8a7, |
0x323232, |
0x323232, |
0xbebebe, |
0xffffff, |
0x565656, |
0x323232, |
0x494949, |
0xf2f2f2, |
0x707070, |
0x323232, |
0x393939, |
0xdddddd, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xdadada, |
0x3e3e3e, |
0x323232, |
0x808080, |
0xdedede, |
0x323232, |
0x323232, |
0x535353, |
0xfafafa, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xb0b0b0, |
0x323232, |
0x323232, |
0xacacac, |
0xd5d5d5, |
0x393939, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0xb1b1b1, |
0xffffff, |
0xffffff, |
0xffffff, |
0x787878, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x525252, |
0xefefef, |
0xffffff, |
0xececec, |
0x7a7a7a, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x333333, |
0x8b8b8b, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 35 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfdfdfd, |
0xe8e7e7, |
0x9c9a96, |
0x797873, |
0x3a3a3a, |
0x323232, |
0xa2a1a0, |
0xf2efec, |
0xf0edea, |
0xefece9, |
0xefece8, |
0xeeebe7, |
0xeeebe7, |
0xedeae6, |
0xece9e5, |
0xece9e5, |
0xebe8e4, |
0xe9e7e2, |
0xd6d5d1, |
0x999898, |
0xb0afaf, |
0xbfbebe, |
0xc4c2c3, |
0xc3c1c2, |
0xd6d3d0, |
0xe4e0db, |
0xe3dfda, |
0xe2deda, |
0xe2deda, |
0xe1ddd8, |
0xe0dcd7, |
0xe0dbd6, |
0xdfdbd6, |
0xddd9d4, |
0xcecbc7, |
0x999999, |
0xaeadae, |
0xbebdbe, |
0xc3c1c2, |
0xbcbbbb, |
0xc9c7c3, |
0xd8d5cf, |
0xd8d4cf, |
0xd7d3cd, |
0xd7d3cd, |
0xd6d2cc, |
0xd6d2cc, |
0xd5d1cb, |
0xd5d1cb, |
0xd5d1cb, |
0xd4d0ca, |
0xd3cfc9, |
0xbdbab3, |
0xdbd8d4, |
0xd4d0ca, |
0xd1cec8, |
0xcececd, |
0xf5f4f4, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7e7e7e, |
0x323232, |
0x323232, |
0xa9a9a9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7d7d7d, |
0x323232, |
0x323232, |
0xababab, |
0xcbcbcb, |
0x323232, |
0x323232, |
0x878686, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xcacaca, |
0x323232, |
0x323232, |
0x9c9c9b, |
0xffffff, |
0x565656, |
0x323232, |
0x494949, |
0xeaeaea, |
0x454545, |
0x323232, |
0x575757, |
0xf0f0f0, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xeaeaea, |
0x515151, |
0x323232, |
0x5d5d5d, |
0xdedede, |
0x323232, |
0x323232, |
0x777777, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xb4b4b4, |
0x323232, |
0x323232, |
0xacacac, |
0xd5d5d5, |
0x393939, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0xb1b1b1, |
0xffffff, |
0xffffff, |
0xffffff, |
0x787878, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x525252, |
0xefefef, |
0xffffff, |
0xffffff, |
0xfdfdfd, |
0xc1c1c1, |
0x525252, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x343434, |
0xe1e1e1, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 36 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xf4f4f3, |
0xbabab9, |
0x898782, |
0x4e4d4c, |
0x323232, |
0x5e5e5e, |
0xe7e5e3, |
0xefece8, |
0xefece8, |
0xeeebe7, |
0xedeae6, |
0xedeae6, |
0xece9e5, |
0xebe8e4, |
0xeae8e3, |
0xe9e7e2, |
0xe9e7e2, |
0xe4e3de, |
0xa8a7a5, |
0xa6a5a5, |
0xbbb9ba, |
0xc3c1c2, |
0xc3c1c2, |
0xc4c1c1, |
0xe1ded9, |
0xe2deda, |
0xe1ddd9, |
0xe1ddd8, |
0xe0dbd6, |
0xe0dbd6, |
0xdedad5, |
0xddd9d4, |
0xdbd8d3, |
0xdad7d2, |
0xa4a3a2, |
0xa5a4a4, |
0xbab9b9, |
0xc2c0c1, |
0xc0bebf, |
0xcbc8c6, |
0xd8d4ce, |
0xd7d3cd, |
0xd7d3cd, |
0xd6d2cc, |
0xd6d2cc, |
0xd5d1cb, |
0xd5d1cb, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xc7c5be, |
0xc9c6c0, |
0xd9d5d0, |
0xd4d0ca, |
0xc9c8c5, |
0xe8e8e7, |
0xfdfdfd, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7e7e7e, |
0x323232, |
0x323232, |
0xa9a9a9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7d7d7d, |
0x323232, |
0x323232, |
0xababab, |
0xb3b3b3, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x7e7e7e, |
0xfefefe, |
0x565656, |
0x323232, |
0x494949, |
0xd6d6d6, |
0x404040, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x4e4e4e, |
0xcecece, |
0x323232, |
0x323232, |
0x818181, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xb4b4b4, |
0x323232, |
0x323232, |
0xacacac, |
0xd5d5d5, |
0x393939, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0xb1b1b1, |
0xffffff, |
0xffffff, |
0xffffff, |
0x787878, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x525252, |
0xefefef, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xf5f5f5, |
0x949494, |
0x373737, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x9d9d9d, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 37 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfbfbfb, |
0xdddddd, |
0x8f8d8a, |
0x6c6a68, |
0x363636, |
0x363636, |
0xc5c4c3, |
0xefece8, |
0xeeebe7, |
0xedeae6, |
0xece9e5, |
0xece9e5, |
0xebe8e4, |
0xeae7e3, |
0xe9e7e2, |
0xe8e6e1, |
0xe8e6e1, |
0xe7e5e0, |
0xc7c5c2, |
0x9a9a9a, |
0xb4b3b3, |
0xc1bfc0, |
0xc3c1c2, |
0xbdbbbc, |
0xd5d2ce, |
0xe1ddd9, |
0xe0dcd7, |
0xe0dbd6, |
0xdfdad5, |
0xdedad5, |
0xdcd8d3, |
0xdbd8d3, |
0xdad7d2, |
0xdad7d2, |
0xc6c3c0, |
0x9f9d9d, |
0xb2b1b2, |
0xc1bfc0, |
0xc5c3c3, |
0xd4d0cc, |
0xd7d3cd, |
0xd7d3cd, |
0xd6d2cc, |
0xd6d2cc, |
0xd5d1cb, |
0xd5d1cb, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd1cec7, |
0xbbb8b1, |
0xdddad6, |
0xd4d0ca, |
0xcfcbc6, |
0xd4d4d4, |
0xf8f8f8, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7e7e7e, |
0x323232, |
0x323232, |
0xa9a9a9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7d7d7d, |
0x323232, |
0x323232, |
0xababab, |
0xa5a5a5, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x7a7a7a, |
0xfefefe, |
0x565656, |
0x323232, |
0x494949, |
0xcbcbcb, |
0x3d3d3d, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x4d4d4d, |
0xcccccc, |
0x323232, |
0x323232, |
0x818181, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xb4b4b4, |
0x323232, |
0x323232, |
0xacacac, |
0xd5d5d5, |
0x393939, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0xb1b1b1, |
0xffffff, |
0xffffff, |
0xffffff, |
0x787878, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x424242, |
0xa4a4a4, |
0xb4b4b4, |
0xb4b4b4, |
0xb4b4b4, |
0xdadada, |
0xffffff, |
0xfefefe, |
0xc6c6c6, |
0x3d3d3d, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x7b7b7b, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 38 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefe, |
0xefeeee, |
0xaaa8a7, |
0x827f7b, |
0x434242, |
0x323232, |
0x7d7d7c, |
0xeeece9, |
0xedeae6, |
0xece9e5, |
0xebe8e4, |
0xeae8e3, |
0xe9e7e2, |
0xe9e7e2, |
0xe8e6e1, |
0xe8e5e0, |
0xe7e4df, |
0xe6e3de, |
0xdddad6, |
0x9d9c9b, |
0xabaaaa, |
0xbdbcbc, |
0xc3c1c2, |
0xbfbdbe, |
0xc3c1c0, |
0xe0dcd7, |
0xe0dbd6, |
0xdedad5, |
0xddd9d4, |
0xdbd8d3, |
0xdbd8d3, |
0xdad7d2, |
0xdad7d2, |
0xd9d6d1, |
0xd8d5d0, |
0xcac8c3, |
0xc0bebc, |
0xc9c7c5, |
0xd4d0cc, |
0xd7d3cd, |
0xd6d2cc, |
0xd6d2cc, |
0xd5d1cb, |
0xd5d1cb, |
0xd5d1cb, |
0xd4d0ca, |
0xd4d0ca, |
0xd2cfc8, |
0xc1beb8, |
0xc7c4be, |
0xd5d1cb, |
0xd4d0ca, |
0xc3c0b9, |
0xd3d1cc, |
0xd6d2cc, |
0xd3cfca, |
0xc8c7c6, |
0xeeeeed, |
0xfefefe, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7e7e7e, |
0x323232, |
0x323232, |
0xa9a9a9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7d7d7d, |
0x323232, |
0x323232, |
0xababab, |
0xa8a8a8, |
0x323232, |
0x323232, |
0x747474, |
0xcfcfcf, |
0xcfcfcf, |
0xcfcfcf, |
0xcfcfcf, |
0xcfcfcf, |
0xcfcfcf, |
0xcfcfcf, |
0xcfcfcf, |
0xcfcfcf, |
0xcfcfcf, |
0xcfcfcf, |
0xe0e0e0, |
0xffffff, |
0x565656, |
0x323232, |
0x494949, |
0xcecece, |
0x3e3e3e, |
0x323232, |
0x505050, |
0xc4c4c4, |
0xcfcfcf, |
0xcfcfcf, |
0xcfcfcf, |
0xcfcfcf, |
0xcfcfcf, |
0xcfcfcf, |
0xcfcfcf, |
0xcfcfcf, |
0xcfcfcf, |
0xcfcfcf, |
0xd5d5d5, |
0xd9d9d9, |
0x323232, |
0x323232, |
0x818181, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xb4b4b4, |
0x323232, |
0x323232, |
0xacacac, |
0xd5d5d5, |
0x393939, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0xb1b1b1, |
0xffffff, |
0xffffff, |
0xffffff, |
0x787878, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x9a9a9a, |
0xffffff, |
0xffffff, |
0xfefefe, |
0x898988, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x696969, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 39 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xf8f8f7, |
0xcbcbcb, |
0x8d8a86, |
0x5e5d5b, |
0x343433, |
0x454545, |
0xd9d8d6, |
0xece9e5, |
0xebe8e4, |
0xe9e7e2, |
0xe9e7e2, |
0xe8e6e1, |
0xe8e6e1, |
0xe7e5e0, |
0xe6e4df, |
0xe5e2dd, |
0xe5e2dd, |
0xe4e0db, |
0xb7b5b3, |
0xa09fa0, |
0xb7b6b6, |
0xc2c0c1, |
0xc1c0c0, |
0xbab8b8, |
0xd9d5d1, |
0xdedad5, |
0xdcd9d4, |
0xdbd8d3, |
0xdbd8d3, |
0xdad7d2, |
0xdad7d2, |
0xd9d6d0, |
0xd9d6d0, |
0xd8d5cf, |
0xd8d5cf, |
0xd7d4ce, |
0xd7d3cd, |
0xd7d3cd, |
0xd6d2cc, |
0xd6d2cc, |
0xd5d1cb, |
0xd5d1cb, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xacaaa3, |
0x817f7b, |
0x93918e, |
0xd7d4d0, |
0xd4d0ca, |
0xcecac4, |
0xc3c1ba, |
0xe1deda, |
0xd4d0ca, |
0xcac8c4, |
0xdcdcdc, |
0xfafafa, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7e7e7e, |
0x323232, |
0x323232, |
0xa9a9a9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7d7d7d, |
0x323232, |
0x323232, |
0xababab, |
0xc1c1c1, |
0x323232, |
0x323232, |
0x7c7c7c, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x565656, |
0x323232, |
0x494949, |
0xe1e1e1, |
0x434343, |
0x323232, |
0x505050, |
0xededed, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xdedede, |
0x323232, |
0x323232, |
0x818181, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xb4b4b4, |
0x323232, |
0x323232, |
0xacacac, |
0xdedede, |
0x3b3b3b, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0xa3a3a3, |
0xffffff, |
0xffffff, |
0xffffff, |
0x6d6d6d, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x9a9a9a, |
0xffffff, |
0xffffff, |
0xffffff, |
0xa3a3a3, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x696969, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 40 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfdfdfd, |
0xe7e7e7, |
0x9a9896, |
0x797773, |
0x3b3b3b, |
0x323232, |
0xa2a1a0, |
0xedeae6, |
0xe9e7e2, |
0xe8e6e1, |
0xe8e6e1, |
0xe8e5e0, |
0xe7e4df, |
0xe6e3de, |
0xe5e2dd, |
0xe4e1dc, |
0xe4e0db, |
0xe3dfda, |
0xd3d0cd, |
0x999898, |
0xafaeae, |
0xbfbebe, |
0xc3c1c2, |
0xbcbbbb, |
0xc9c6c4, |
0xdcd8d3, |
0xdbd8d3, |
0xdad7d2, |
0xdad7d2, |
0xdad7d1, |
0xd9d6d0, |
0xd9d6d0, |
0xd8d5cf, |
0xd8d4cf, |
0xd7d3ce, |
0xd7d3cd, |
0xd7d3cd, |
0xd6d2cc, |
0xd6d2cc, |
0xd5d1cb, |
0xd5d1cb, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xb5b3ae, |
0xadaba4, |
0xd2d0ca, |
0xe6e4e2, |
0xd4d0ca, |
0xd1cdc7, |
0xc2c0b9, |
0xe9e6e4, |
0xd4d0ca, |
0xd2cfc9, |
0xcac9c9, |
0xf3f3f3, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7e7e7e, |
0x323232, |
0x323232, |
0xa9a9a9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7d7d7d, |
0x323232, |
0x323232, |
0xababab, |
0xdfdfdf, |
0x414141, |
0x323232, |
0x535353, |
0xf8f8f8, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xcfcfcf, |
0x7d7d7d, |
0x7d7d7d, |
0xcacaca, |
0xffffff, |
0x565656, |
0x323232, |
0x494949, |
0xf2f2f2, |
0x5f5f5f, |
0x323232, |
0x353535, |
0xd7d7d7, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xebebeb, |
0x898989, |
0x7d7d7d, |
0xa2a2a2, |
0xdedede, |
0x323232, |
0x323232, |
0x818181, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xb4b4b4, |
0x323232, |
0x323232, |
0xacacac, |
0xf6f6f6, |
0x3e3e3e, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x747474, |
0xfbfbfb, |
0xffffff, |
0xefeeee, |
0x515151, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x717170, |
0xffffff, |
0xffffff, |
0xfcfcfc, |
0x7f7f7f, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x828282, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 41 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xf4f4f3, |
0xb9b9b8, |
0x898781, |
0x4f4e4d, |
0x323232, |
0x5f5f5f, |
0xe5e3e1, |
0xe8e6e1, |
0xe8e6e1, |
0xe7e5e0, |
0xe7e4df, |
0xe6e3de, |
0xe5e2dd, |
0xe4e1dc, |
0xe4e0db, |
0xe3dfda, |
0xe2deda, |
0xdedad7, |
0xa8a6a5, |
0xa5a4a4, |
0xbbb9ba, |
0xc2c0c1, |
0xc0bebf, |
0xc1bfbe, |
0xdbd8d3, |
0xdad7d2, |
0xdad7d2, |
0xd9d6d1, |
0xd9d6d0, |
0xd8d5cf, |
0xd8d5cf, |
0xd8d4cf, |
0xd7d3cd, |
0xd7d3cd, |
0xd6d2cc, |
0xd6d2cc, |
0xd5d1cb, |
0xd5d1cb, |
0xd5d1cb, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd6d2cc, |
0xe5e3e0, |
0xecebe8, |
0xdad6d1, |
0xd4d0ca, |
0xcbc8c2, |
0xc7c5bf, |
0xeae8e6, |
0xd4d0ca, |
0xd3cfc9, |
0xbfbebc, |
0xeaeaea, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7e7e7e, |
0x323232, |
0x323232, |
0xa9a9a9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7d7d7d, |
0x323232, |
0x323232, |
0xababab, |
0xf8f8f8, |
0x6a696a, |
0x323232, |
0x383838, |
0xb8b8b8, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfcfcfc, |
0x6c6c6c, |
0x323232, |
0x323232, |
0xe1e1e1, |
0xffffff, |
0x565656, |
0x323232, |
0x494949, |
0xf2f2f2, |
0xa1a0a0, |
0x333333, |
0x323232, |
0x848484, |
0xfbfbfb, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xa8a8a7, |
0x323232, |
0x323232, |
0xa3a3a3, |
0xdedede, |
0x323232, |
0x323232, |
0x818181, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xb4b4b4, |
0x323232, |
0x323232, |
0xacacac, |
0xffffff, |
0x696969, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x373737, |
0x9b9b9a, |
0xcccccc, |
0x878686, |
0x353535, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x5c5c5c, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x393939, |
0x969595, |
0xcecece, |
0xa4a4a4, |
0x3b3b3b, |
0x323232, |
0x323232, |
0x323232, |
0x333333, |
0xaeaeae, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 42 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfbfbfa, |
0xdbdbdb, |
0x918e8b, |
0x6d6c68, |
0x363636, |
0x363636, |
0xbfbebd, |
0xe9e7e2, |
0xe7e5e0, |
0xe6e4df, |
0xe5e2dd, |
0xe4e1dc, |
0xe4e1dc, |
0xe3dfda, |
0xe2deda, |
0xe1ddd9, |
0xe1ddd9, |
0xe0dcd7, |
0xc5c2bf, |
0x9a9999, |
0xb3b2b3, |
0xc1bfc0, |
0xc3c1c2, |
0xcac8c6, |
0xdad7d2, |
0xdad7d2, |
0xd9d6d1, |
0xd9d6d0, |
0xd8d5cf, |
0xd8d5cf, |
0xd7d4ce, |
0xd7d3cd, |
0xd7d3cd, |
0xd6d2cc, |
0xd6d2cc, |
0xd5d1cb, |
0xd5d1cb, |
0xd5d1cb, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0cb, |
0xd5d1cb, |
0xd4d0ca, |
0xd3cfc9, |
0xbdbbb3, |
0xdeddd9, |
0xe3e0dc, |
0xd4d0ca, |
0xd3cfc9, |
0xb5b4b3, |
0xe4e4e4, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7e7e7e, |
0x323232, |
0x323232, |
0xa9a9a9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7d7d7d, |
0x323232, |
0x323232, |
0xababab, |
0xffffff, |
0xc3c3c3, |
0x363636, |
0x323232, |
0x494949, |
0xd4d4d4, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xf8f8f8, |
0x8f8f8f, |
0x323232, |
0x323232, |
0x767676, |
0xfefefe, |
0xffffff, |
0x565656, |
0x323232, |
0x494949, |
0xf2f2f2, |
0xececec, |
0x4b4b4b, |
0x323232, |
0x373736, |
0xacacac, |
0xfbfbfb, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfdfdfd, |
0xbababa, |
0x414141, |
0x323232, |
0x4f4f4f, |
0xe7e7e7, |
0xdedede, |
0x323232, |
0x323232, |
0x818181, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xb4b4b4, |
0x323232, |
0x323232, |
0xacacac, |
0xffffff, |
0xacacac, |
0x343434, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x3d3d3d, |
0xa3a3a3, |
0x3a3a3a, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x3b3b3b, |
0xefeeee, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 43 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefe, |
0xeeeeee, |
0xa9a8a7, |
0x82807b, |
0x454544, |
0x323232, |
0x787877, |
0xeae8e4, |
0xe6e3de, |
0xe5e2dd, |
0xe4e1dc, |
0xe4e0db, |
0xe3dfda, |
0xe2deda, |
0xe1ddd9, |
0xe1dcd8, |
0xe0dbd6, |
0xdfdad5, |
0xdbd7d2, |
0xb5b3b1, |
0xadabac, |
0xbdbcbc, |
0xc8c6c6, |
0xd7d4d0, |
0xdad7d2, |
0xd9d6d0, |
0xd9d6d0, |
0xd8d5cf, |
0xd8d4cf, |
0xd7d4ce, |
0xd7d3cd, |
0xd7d3cd, |
0xd6d2cc, |
0xd6d2cc, |
0xd5d1cb, |
0xd5d1cb, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd2cec8, |
0xc1beb6, |
0xc5c4bd, |
0xf4f3f1, |
0xd7d3cd, |
0xd4d0ca, |
0xccc9c3, |
0xadacac, |
0xe4e4e4, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7e7e7e, |
0x323232, |
0x323232, |
0xa9a9a9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7d7d7d, |
0x323232, |
0x323232, |
0xababab, |
0xffffff, |
0xfbfbfb, |
0x8c8c8c, |
0x323232, |
0x323232, |
0x373737, |
0x777777, |
0xa9a9a9, |
0xb3b3b3, |
0x9b9b9b, |
0x545454, |
0x323232, |
0x323232, |
0x484848, |
0xe7e7e7, |
0xffffff, |
0xffffff, |
0x565656, |
0x323232, |
0x494949, |
0xf2f2f2, |
0xffffff, |
0xbfbfbf, |
0x3a3a3a, |
0x323232, |
0x323232, |
0x616161, |
0x9d9d9d, |
0xb4b4b4, |
0xa7a7a7, |
0x6c6b6b, |
0x353535, |
0x323232, |
0x3b3b3b, |
0xb6b6b6, |
0xffffff, |
0xdedede, |
0x323232, |
0x323232, |
0x818181, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xb4b4b4, |
0x323232, |
0x323232, |
0xacacac, |
0xffffff, |
0xf3f3f3, |
0x5c5c5c, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x868586, |
0xfafafa, |
0x8a8a8a, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x333333, |
0xa09f9f, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 44 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xf7f7f7, |
0xcacaca, |
0x8b8984, |
0x5f5e5c, |
0x343434, |
0x454545, |
0xd5d4d2, |
0xe5e2dd, |
0xe4e1dc, |
0xe3e0db, |
0xe3dfda, |
0xe1ddd9, |
0xe1ddd9, |
0xe0dcd7, |
0xe0dbd6, |
0xdfdad5, |
0xddd9d4, |
0xddd9d4, |
0xdad7d2, |
0xd2d0cc, |
0xd4d2ce, |
0xd8d6d1, |
0xd9d6d1, |
0xd9d6d0, |
0xd8d5cf, |
0xd8d5cf, |
0xd8d4cf, |
0xd7d3cd, |
0xd7d3cd, |
0xd6d2cc, |
0xd6d2cc, |
0xd6d2cc, |
0xd5d1cb, |
0xd5d1cb, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd3cfc9, |
0xcecac3, |
0xc3c0b8, |
0xbbb9b1, |
0xcfcdc7, |
0xf2f1ef, |
0xdfdcd8, |
0xd4d0ca, |
0xd3cfc9, |
0x9c9a96, |
0xb4b3b3, |
0xeaeae9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7e7e7e, |
0x323232, |
0x323232, |
0xa9a9a9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0x7d7d7d, |
0x323232, |
0x323232, |
0xababab, |
0xffffff, |
0xffffff, |
0xf8f8f8, |
0x919191, |
0x373737, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x545454, |
0xe1e1e1, |
0xffffff, |
0xffffff, |
0xffffff, |
0x565656, |
0x323232, |
0x494949, |
0xf2f2f2, |
0xffffff, |
0xffffff, |
0xbcbbbb, |
0x444444, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x424242, |
0xb5b5b5, |
0xffffff, |
0xffffff, |
0xdedede, |
0x323232, |
0x323232, |
0x818181, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xb4b4b4, |
0x323232, |
0x323232, |
0xacacac, |
0xffffff, |
0xffffff, |
0xe6e6e6, |
0x626262, |
0x333333, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x343434, |
0x7f7e7e, |
0xf4f4f4, |
0xffffff, |
0xf7f7f7, |
0x898989, |
0x343434, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x323232, |
0x343434, |
0x9a9a9a, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 45 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfdfdfd, |
0xe7e6e6, |
0x989795, |
0x797873, |
0x3c3c3c, |
0x323232, |
0x9c9c9b, |
0xe8e5e1, |
0xe3dfda, |
0xe2deda, |
0xe1ddd9, |
0xe1ddd8, |
0xe0dcd7, |
0xdfdbd6, |
0xdedad5, |
0xddd9d4, |
0xdcd8d3, |
0xdbd8d3, |
0xdbd8d3, |
0xdad7d2, |
0xdad7d2, |
0xd9d6d1, |
0xd9d6d0, |
0xd8d5cf, |
0xd8d5cf, |
0xd7d4ce, |
0xd7d3cd, |
0xd7d3cd, |
0xd6d2cc, |
0xd6d2cc, |
0xd5d1cb, |
0xd5d1cb, |
0xd5d1cb, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xcecbc5, |
0xc5c3bb, |
0xbdbab2, |
0xc2c0ba, |
0xd7d6d1, |
0xecebe9, |
0xeeedea, |
0xdcd9d4, |
0xd4d0ca, |
0xd3cfc9, |
0x9d9b97, |
0x6f6f6e, |
0xc3c2c2, |
0xf2f2f1, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xbfbfbf, |
0x989898, |
0x989898, |
0xd4d4d4, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xbebebe, |
0x989898, |
0x989898, |
0xd5d5d5, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefe, |
0xd8d8d7, |
0x868585, |
0x535353, |
0x353535, |
0x333333, |
0x454545, |
0x666565, |
0xadadad, |
0xf9f9f9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xababab, |
0x989898, |
0xa4a4a4, |
0xf9f9f9, |
0xffffff, |
0xffffff, |
0xffffff, |
0xebebeb, |
0x9d9d9d, |
0x605f5f, |
0x3b3b3b, |
0x323232, |
0x3d3d3d, |
0x5a5959, |
0x949494, |
0xe8e8e8, |
0xffffff, |
0xffffff, |
0xffffff, |
0xeeeeee, |
0x989898, |
0x989898, |
0xc0c0c0, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xd9d9d9, |
0x999999, |
0x989898, |
0xd5d5d5, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfcfcfc, |
0xc1c1c1, |
0x7a7a7a, |
0x555554, |
0x363636, |
0x323232, |
0x3a3a3a, |
0x595958, |
0x878787, |
0xd0d0d0, |
0xfdfdfd, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefe, |
0xd5d5d5, |
0x8b8b8b, |
0x5b5a5a, |
0x3c3c3c, |
0x323232, |
0x383838, |
0x5b5b5b, |
0x898989, |
0xdddddd, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 46 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xf4f3f3, |
0xb9b8b8, |
0x878580, |
0x51514f, |
0x323232, |
0x5c5c5c, |
0xe2e0dd, |
0xe2deda, |
0xe1ddd9, |
0xe1dcd7, |
0xe0dbd6, |
0xdfdad5, |
0xded9d4, |
0xddd9d4, |
0xdcd8d3, |
0xdbd8d3, |
0xdad7d2, |
0xdad7d2, |
0xdad7d2, |
0xd9d6d0, |
0xd9d6d0, |
0xd8d5cf, |
0xd8d4cf, |
0xd7d4ce, |
0xd7d3cd, |
0xd7d3cd, |
0xd6d2cc, |
0xd6d2cc, |
0xd5d1cb, |
0xd5d1cb, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd0ccc6, |
0xc7c4be, |
0xbcbab2, |
0xc0bfb8, |
0xd1d0cb, |
0xe9e8e6, |
0xeeedeb, |
0xe7e5e1, |
0xdbd8d3, |
0xd5d1cb, |
0xd1cdc7, |
0xb5b2ae, |
0x7a7978, |
0x4b4b4b, |
0x969595, |
0xd6d6d6, |
0xf8f8f8, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 47 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfafafa, |
0xdadada, |
0x8f8d8a, |
0x6e6c69, |
0x373636, |
0x373737, |
0xbebdbc, |
0xe4e0db, |
0xe0dcd7, |
0xdfdbd6, |
0xdedad5, |
0xddd9d4, |
0xdcd9d4, |
0xdbd8d3, |
0xdbd8d3, |
0xdad7d2, |
0xdad7d2, |
0xd9d6d1, |
0xd9d6d0, |
0xd8d5cf, |
0xd8d5cf, |
0xd8d4cf, |
0xd7d3cd, |
0xd7d3cd, |
0xd7d3cd, |
0xd6d2cc, |
0xd6d2cc, |
0xd5d1cb, |
0xd5d1cb, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd1cdc7, |
0xcac6c0, |
0xbfbcb5, |
0xbebcb5, |
0xceccc7, |
0xe5e4e1, |
0xefeeec, |
0xeae8e4, |
0xdddad5, |
0xd6d2cc, |
0xd2cec8, |
0xbdbab4, |
0x94928f, |
0x626160, |
0x424141, |
0x444343, |
0x807f7f, |
0xbcbbbc, |
0xeaeaea, |
0xfdfdfd, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 48 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefe, |
0xeeeeee, |
0xa8a7a5, |
0x817f7a, |
0x464544, |
0x333333, |
0xa6a5a5, |
0xe6e3e0, |
0xdfdbd6, |
0xded9d4, |
0xddd9d4, |
0xdcd8d3, |
0xdbd8d3, |
0xdbd8d3, |
0xdad7d2, |
0xdad7d2, |
0xd9d6d1, |
0xd9d6d0, |
0xd8d5cf, |
0xd8d5cf, |
0xd7d4ce, |
0xd7d3cd, |
0xd7d3cd, |
0xd6d2cc, |
0xd6d2cc, |
0xd5d1cb, |
0xd5d1cb, |
0xd5d1cb, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd2cec8, |
0xcbc8c1, |
0xc0bdb5, |
0xbebcb5, |
0xc9c7c1, |
0xe2e1de, |
0xeeedeb, |
0xeceae8, |
0xdfdcd8, |
0xd7d3cd, |
0xd3cfc9, |
0xc2beb9, |
0x9f9d98, |
0x6b6a67, |
0x4a4948, |
0x3b3b3b, |
0x474746, |
0x626161, |
0x8b8a8a, |
0xb7b6b6, |
0xe0e0df, |
0xf8f8f8, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 49 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xf7f7f7, |
0xc9c8c8, |
0x8b8884, |
0x5f5f5d, |
0x5d5c5c, |
0xd3d2d0, |
0xe2dfdb, |
0xddd9d4, |
0xddd9d4, |
0xdcd8d3, |
0xdbd8d3, |
0xd0cdc8, |
0xc7c4c0, |
0xd4d2cd, |
0xd9d6d0, |
0xd9d6d0, |
0xd8d5cf, |
0xd8d4cf, |
0xd7d4ce, |
0xd7d3cd, |
0xd7d3cd, |
0xd6d2cc, |
0xd6d2cc, |
0xd5d1cb, |
0xd5d1cb, |
0xd4d0ca, |
0xd4d0ca, |
0xd4d0ca, |
0xd3cfc9, |
0xcdc9c3, |
0xc2bfb8, |
0xbdbbb3, |
0xc5c3bd, |
0xdddcd8, |
0xedecea, |
0xeeedeb, |
0xe1deda, |
0xd8d4cf, |
0xd3d0ca, |
0xc6c2bd, |
0xa8a5a1, |
0x747371, |
0x4f4f4f, |
0x3d3d3d, |
0x444444, |
0x5b5b5a, |
0x777777, |
0x939392, |
0xababab, |
0xc8c7c7, |
0xe4e4e4, |
0xf7f7f7, |
0xfefefe, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 50 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfdfdfd, |
0xe6e6e6, |
0x989794, |
0x83817d, |
0xc4c3c2, |
0xcbc9c2, |
0xd5d3ce, |
0xdfdbd6, |
0xdbd8d3, |
0xdbd8d3, |
0xd5d2cd, |
0x94928d, |
0x85837e, |
0xaaa8a4, |
0xe1deda, |
0xd8d5cf, |
0xd8d4cf, |
0xd7d3ce, |
0xd7d3cd, |
0xd7d3cd, |
0xd6d2cc, |
0xd6d2cc, |
0xd5d1cb, |
0xd5d1cb, |
0xd4d0ca, |
0xd3cfc9, |
0xcfcbc5, |
0xc5c2ba, |
0xbebbb3, |
0xc2c0b9, |
0xd8d7d3, |
0xebeae8, |
0xefeeec, |
0xe4e1dd, |
0xd9d6d0, |
0xd4d0ca, |
0xcac6c0, |
0xafaca8, |
0x807f7c, |
0x565655, |
0x3e3e3e, |
0x444343, |
0x555454, |
0x717070, |
0x8d8b8c, |
0xa6a5a5, |
0xbcbbbb, |
0xd0d0d0, |
0xe2e2e2, |
0xf1f1f1, |
0xfafafa, |
0xfefefe, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 51 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xf4f3f3, |
0xb8b8b7, |
0x9d9b96, |
0xd8d5d1, |
0xd3d0ca, |
0xc2c0ba, |
0xe1deda, |
0xdbd8d3, |
0xdad7d2, |
0xd5d3ce, |
0xa7a5a2, |
0xc2c0b9, |
0xd8d7d5, |
0xe3e1dd, |
0xd8d4cf, |
0xd7d3cd, |
0xd7d3cd, |
0xd6d2cc, |
0xd6d2cc, |
0xd5d1cb, |
0xd5d1cb, |
0xd4d0ca, |
0xcfccc5, |
0xc7c4be, |
0xbdbbb3, |
0xc0beb7, |
0xd3d2cd, |
0xe8e8e5, |
0xf1f0ef, |
0xe6e4e0, |
0xdbd8d3, |
0xd4d1cb, |
0xccc8c3, |
0xb8b5b0, |
0x898785, |
0x5f5e5c, |
0x444343, |
0x444443, |
0x515151, |
0x6b6b6a, |
0x868685, |
0xa09f9f, |
0xb6b5b5, |
0xcccbcb, |
0xdedede, |
0xececec, |
0xf6f6f6, |
0xfcfcfc, |
0xfefefe, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 52 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfafafa, |
0xd9d9d9, |
0x8c8a87, |
0xbfbcb7, |
0xd8d4ce, |
0xc0beb7, |
0xdcd9d4, |
0xdbd8d3, |
0xdad7d2, |
0xd9d6d0, |
0xe0ddd9, |
0xebeae7, |
0xeae9e6, |
0xd9d5d0, |
0xd7d3cd, |
0xd7d3cd, |
0xd6d2cc, |
0xd6d2cc, |
0xd5d1cb, |
0xd2cec8, |
0xc9c7c0, |
0xbebbb4, |
0xbdbbb4, |
0xceccc7, |
0xe6e5e2, |
0xf1f0ee, |
0xe9e7e4, |
0xdcd9d4, |
0xd5d1cb, |
0xd0ccc6, |
0xbdbab4, |
0x95938f, |
0x656463, |
0x474747, |
0x444443, |
0x4f4f4e, |
0x646464, |
0x807f7e, |
0x9b9a9a, |
0xb1b0b0, |
0xc7c6c6, |
0xdadada, |
0xe9e9e9, |
0xf4f4f4, |
0xfbfbfb, |
0xfefefe, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 53 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefe, |
0xeeeeed, |
0x9c9b9a, |
0x92908d, |
0xd5d2cc, |
0xceccc6, |
0xc4c2bb, |
0xdcd9d4, |
0xd9d6d0, |
0xd9d6d0, |
0xd8d5cf, |
0xd8d4cf, |
0xd7d3ce, |
0xd7d3cd, |
0xd7d3cd, |
0xd6d2cc, |
0xd3cfc9, |
0xcdc9c3, |
0xc0beb6, |
0xbdbbb3, |
0xc9c8c1, |
0xe2e1de, |
0xf1f1ef, |
0xebe9e6, |
0xdfdcd7, |
0xd5d1cb, |
0xd1cdc7, |
0xc2bfba, |
0x9d9a96, |
0x6f6e6b, |
0x4d4c4b, |
0x464544, |
0x4c4c4b, |
0x60605f, |
0x7a7a79, |
0x959595, |
0xababab, |
0xc1c1c1, |
0xd6d5d5, |
0xe7e7e6, |
0xf3f2f2, |
0xfafaf9, |
0xfdfdfd, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 54 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xf7f7f7, |
0xc7c7c6, |
0x787775, |
0xc8c4be, |
0xd7d4cf, |
0xc3c1b9, |
0xc4c2ba, |
0xd4d1cb, |
0xd8d5cf, |
0xd8d4cf, |
0xd7d3cd, |
0xd7d3cd, |
0xd5d1cb, |
0xcfcbc5, |
0xc3c0b8, |
0xbdbbb4, |
0xc3c1bb, |
0xdfdedb, |
0xefeeed, |
0xefedeb, |
0xe0deda, |
0xd7d3cd, |
0xd2cec8, |
0xc7c3bd, |
0xa6a39e, |
0x757371, |
0x525150, |
0x454544, |
0x4b4a49, |
0x5c5b5a, |
0x767575, |
0x909090, |
0xa7a6a6, |
0xbdbdbd, |
0xd1d1d1, |
0xe2e2e1, |
0xf0efef, |
0xf8f8f8, |
0xfdfdfd, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 55 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfdfdfc, |
0xe6e6e5, |
0x848382, |
0xa5a39e, |
0xd6d2cc, |
0xd7d4ce, |
0xc8c5be, |
0xbcbab2, |
0xc4c1ba, |
0xcbc8c1, |
0xccc9c2, |
0xc4c1ba, |
0xbdbbb3, |
0xc1bfb8, |
0xd8d7d3, |
0xededeb, |
0xf1f0ee, |
0xe3e1dd, |
0xd8d4cf, |
0xd3cfca, |
0xcac6c1, |
0xafaca7, |
0x7d7b78, |
0x555452, |
0x454443, |
0x494847, |
0x575555, |
0x706f6f, |
0x8a8989, |
0xa2a1a1, |
0xb8b7b8, |
0xcecdcd, |
0xe0e0df, |
0xeeeeed, |
0xf7f7f7, |
0xfcfcfc, |
0xfefefe, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 56 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xf4f3f3, |
0xb2b2b2, |
0x797875, |
0xcdc9c3, |
0xd6d3cd, |
0xd9d6d0, |
0xdcd9d5, |
0xd8d7d2, |
0xcfcdc7, |
0xd0cec9, |
0xdcdad7, |
0xeae9e6, |
0xf3f2f1, |
0xe6e3e0, |
0xdad6d0, |
0xd4d0ca, |
0xcdc9c3, |
0xb5b2ad, |
0x878581, |
0x5d5c5a, |
0x464544, |
0x474645, |
0x515050, |
0x696968, |
0x848483, |
0x9d9c9c, |
0xb3b2b2, |
0xc8c8c8, |
0xdcdcdc, |
0xebebeb, |
0xf6f6f5, |
0xfbfbfb, |
0xfefefe, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 57 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfafafa, |
0xd8d8d8, |
0x71706f, |
0x92908c, |
0xd1cec8, |
0xd6d2cc, |
0xd7d3cd, |
0xd8d4ce, |
0xdfdbd6, |
0xe2dfdb, |
0xe1deda, |
0xdbd7d2, |
0xd4d0ca, |
0xcfcbc5, |
0xbfbcb6, |
0x8e8c89, |
0x646260, |
0x494847, |
0x494847, |
0x504f4e, |
0x646362, |
0x7e7d7d, |
0x979696, |
0xadacac, |
0xc4c3c3, |
0xd8d7d7, |
0xe8e8e8, |
0xf3f3f3, |
0xfafafa, |
0xfefefe, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 58 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfefefe, |
0xeeeeed, |
0x9f9e9e, |
0x5a5958, |
0x878683, |
0xc6c2bd, |
0xd3cfc9, |
0xd5d1cb, |
0xd5d1cb, |
0xd4d0ca, |
0xd1cdc7, |
0xc4c0bb, |
0x9a9894, |
0x6c6b68, |
0x4d4c4b, |
0x494847, |
0x4d4c4b, |
0x5f5e5d, |
0x777776, |
0x929292, |
0xa8a7a7, |
0xbebdbe, |
0xd4d3d2, |
0xe5e5e5, |
0xf1f1f1, |
0xf9f9f9, |
0xfdfdfd, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
/* Scanline 59 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xf8f8f7, |
0xd5d4d4, |
0x7c7c7b, |
0x555452, |
0x5f5e5c, |
0x82807c, |
0x989692, |
0x9a9894, |
0x92908c, |
0x747371, |
0x525251, |
0x4a4948, |
0x4e4d4c, |
0x5a5a59, |
0x717171, |
0x8c8b8c, |
0xa3a2a2, |
0xb9b9b9, |
0xd0cfcf, |
0xe1e1e1, |
0xeeeeee, |
0xf7f7f7, |
0xfcfcfc, |
0xfefefe, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
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/* Scanline 60 */ |
0xffffff, |
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0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfdfdfd, |
0xefefef, |
0xc5c5c5, |
0x807f7e, |
0x585755, |
0x525150, |
0x51504f, |
0x4f4f4e, |
0x4e4e4d, |
0x4f4f4e, |
0x595857, |
0x6d6c6b, |
0x878787, |
0x9e9d9d, |
0xb4b3b4, |
0xcacaca, |
0xdddddd, |
0xededec, |
0xf7f7f6, |
0xfcfcfc, |
0xfefefe, |
0xffffff, |
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/* Scanline 61 */ |
0xffffff, |
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0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfcfcfb, |
0xebebea, |
0xcacaca, |
0xa09f9f, |
0x7b7b7a, |
0x6b6b6a, |
0x686868, |
0x6f6f6e, |
0x838281, |
0x9a9999, |
0xafaeae, |
0xc5c5c5, |
0xdadad9, |
0xe9e9e9, |
0xf4f4f3, |
0xfbfbfb, |
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/* Scanline 62 */ |
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0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xfcfcfb, |
0xf0f0f0, |
0xdcdcdb, |
0xc7c7c7, |
0xb8b7b7, |
0xb2b2b2, |
0xb6b6b6, |
0xc4c3c3, |
0xd5d5d5, |
0xe6e6e6, |
0xf3f3f2, |
0xfafafa, |
0xfefefd, |
0xffffff, |
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0xffffff, |
/* Scanline 63 */ |
0xffffff, |
0xffffff, |
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/* Scanline 64 */ |
0xffffff, |
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/* Scanline 65 */ |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
0xffffff, |
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0xffffff, |
0xffffff, |
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0xffffff, |
}; |
/** @} |
*/ |
Property changes: |
Added: svn:mergeinfo |
/branches/arm/kernel/genarch/src/softint/division.c |
---|
0,0 → 1,200 |
/* |
* Copyright (c) 2006 Josef Cejka |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup genarch |
* @{ |
*/ |
/** @file |
*/ |
#include <genarch/softint/division.h> |
#define ABSVAL(x) ((x) > 0 ? (x) : -(x)) |
#define SGN(x) ((x) >= 0 ? 1 : 0) |
static unsigned int divandmod32(unsigned int a, unsigned int b, |
unsigned int *remainder) |
{ |
unsigned int result; |
int steps = sizeof(unsigned int) * 8; |
*remainder = 0; |
result = 0; |
if (b == 0) { |
/* FIXME: division by zero */ |
return 0; |
} |
if (a < b) { |
*remainder = a; |
return 0; |
} |
for (; steps > 0; steps--) { |
/* shift one bit to remainder */ |
*remainder = ((*remainder) << 1) | (( a >> 31) & 0x1); |
result <<= 1; |
if (*remainder >= b) { |
*remainder -= b; |
result |= 0x1; |
} |
a <<= 1; |
} |
return result; |
} |
static unsigned long long divandmod64(unsigned long long a, |
unsigned long long b, unsigned long long *remainder) |
{ |
unsigned long long result; |
int steps = sizeof(unsigned long long) * 8; |
*remainder = 0; |
result = 0; |
if (b == 0) { |
/* FIXME: division by zero */ |
return 0; |
} |
if (a < b) { |
*remainder = a; |
return 0; |
} |
for (; steps > 0; steps--) { |
/* shift one bit to remainder */ |
*remainder = ((*remainder) << 1) | ((a >> 63) & 0x1); |
result <<= 1; |
if (*remainder >= b) { |
*remainder -= b; |
result |= 0x1; |
} |
a <<= 1; |
} |
return result; |
} |
/* 32bit integer division */ |
int __divsi3(int a, int b) |
{ |
unsigned int rem; |
int result; |
result = (int) divandmod32(ABSVAL(a), ABSVAL(b), &rem); |
if (SGN(a) == SGN(b)) |
return result; |
return -result; |
} |
/* 64bit integer division */ |
long long __divdi3(long long a, long long b) |
{ |
unsigned long long rem; |
long long result; |
result = (long long) divandmod64(ABSVAL(a), ABSVAL(b), &rem); |
if (SGN(a) == SGN(b)) |
return result; |
return -result; |
} |
/* 32bit unsigned integer division */ |
unsigned int __udivsi3(unsigned int a, unsigned int b) |
{ |
unsigned int rem; |
return divandmod32(a, b, &rem); |
} |
/* 64bit unsigned integer division */ |
unsigned long long __udivdi3(unsigned long long a, unsigned long long b) |
{ |
unsigned long long rem; |
return divandmod64(a, b, &rem); |
} |
/* 32bit remainder of the signed division */ |
int __modsi3(int a, int b) |
{ |
unsigned int rem; |
divandmod32(a, b, &rem); |
/* if divident is negative, remainder must be too */ |
if (!(SGN(a))) { |
return -((int) rem); |
} |
return (int) rem; |
} |
/* 64bit remainder of the signed division */ |
long long __moddi3(long long a,long long b) |
{ |
unsigned long long rem; |
divandmod64(a, b, &rem); |
/* if divident is negative, remainder must be too */ |
if (!(SGN(a))) { |
return -((long long) rem); |
} |
return (long long) rem; |
} |
/* 32bit remainder of the unsigned division */ |
unsigned int __umodsi3(unsigned int a, unsigned int b) |
{ |
unsigned int rem; |
divandmod32(a, b, &rem); |
return rem; |
} |
/* 64bit remainder of the unsigned division */ |
unsigned long long __umoddi3(unsigned long long a, unsigned long long b) |
{ |
unsigned long long rem; |
divandmod64(a, b, &rem); |
return rem; |
} |
unsigned long long __udivmoddi3(unsigned long long a, unsigned long long b, |
unsigned long long *c) |
{ |
return divandmod64(a, b, c); |
} |
/** @} |
*/ |
/branches/arm/kernel/genarch/Makefile.inc |
---|
0,0 → 1,142 |
# Copyright (c) 2005 Martin Decky |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
## Accepted configuration directives |
# |
ifeq ($(CONFIG_ACPI),y) |
GENARCH_SOURCES += \ |
genarch/src/acpi/acpi.c \ |
genarch/src/acpi/madt.c |
endif |
ifeq ($(CONFIG_PAGE_PT),y) |
GENARCH_SOURCES += \ |
genarch/src/mm/page_pt.c \ |
genarch/src/mm/as_pt.c |
endif |
ifeq ($(CONFIG_PAGE_HT),y) |
GENARCH_SOURCES += \ |
genarch/src/mm/page_ht.c \ |
genarch/src/mm/as_ht.c |
endif |
ifeq ($(CONFIG_ASID),y) |
GENARCH_SOURCES += \ |
genarch/src/mm/asid.c |
endif |
ifeq ($(CONFIG_ASID_FIFO),y) |
GENARCH_SOURCES += \ |
genarch/src/mm/asid_fifo.c |
endif |
ifeq ($(CONFIG_SOFTINT),y) |
GENARCH_SOURCES += \ |
genarch/src/softint/division.c |
endif |
ifeq ($(CONFIG_FB),y) |
GENARCH_SOURCES += \ |
genarch/src/fb/font-8x16.c \ |
genarch/src/fb/logo-196x66.c \ |
genarch/src/fb/fb.c |
endif |
ifeq ($(CONFIG_DSRLNIN),y) |
GENARCH_SOURCES += \ |
genarch/src/drivers/dsrln/dsrlnin.c |
endif |
ifeq ($(CONFIG_DSRLNOUT),y) |
GENARCH_SOURCES += \ |
genarch/src/drivers/dsrln/dsrlnout.c |
endif |
ifeq ($(CONFIG_I8042),y) |
GENARCH_SOURCES += \ |
genarch/src/drivers/i8042/i8042.c |
endif |
ifeq ($(CONFIG_NS16550),y) |
GENARCH_SOURCES += \ |
genarch/src/drivers/ns16550/ns16550.c |
endif |
ifeq ($(CONFIG_Z8530),y) |
GENARCH_SOURCES += \ |
genarch/src/drivers/z8530/z8530.c |
endif |
ifeq ($(CONFIG_VIA_CUDA),y) |
GENARCH_SOURCES += \ |
genarch/src/drivers/via-cuda/cuda.c |
endif |
ifeq ($(CONFIG_PC_KBD),y) |
GENARCH_SOURCES += \ |
genarch/src/kbrd/kbrd.c \ |
genarch/src/kbrd/scanc_pc.c |
endif |
ifeq ($(CONFIG_SUN_KBD),y) |
GENARCH_SOURCES += \ |
genarch/src/kbrd/kbrd.c \ |
genarch/src/kbrd/scanc_sun.c |
endif |
ifeq ($(CONFIG_MAC_KBD),y) |
GENARCH_SOURCES += \ |
genarch/src/kbrd/kbrd.c \ |
genarch/src/kbrd/scanc_mac.c |
endif |
ifeq ($(CONFIG_SRLN),y) |
GENARCH_SOURCES += \ |
genarch/src/srln/srln.c |
endif |
ifeq ($(CONFIG_OFW_TREE),y) |
GENARCH_SOURCES += \ |
genarch/src/ofw/ofw_tree.c \ |
genarch/src/ofw/ebus.c \ |
genarch/src/ofw/fhc.c \ |
genarch/src/ofw/pci.c \ |
genarch/src/ofw/sbus.c \ |
genarch/src/ofw/upa.c |
endif |
ifeq ($(CONFIG_MULTIBOOT), y) |
GENARCH_SOURCES += \ |
genarch/src/multiboot/multiboot.c |
endif |
ifeq ($(CONFIG_EGA), y) |
GENARCH_SOURCES += \ |
genarch/src/drivers/ega/ega.c |
endif |
/branches/arm/kernel/doc/mm |
---|
0,0 → 1,87 |
Memory management |
================= |
1. Virtual Address Translation |
1.1 Hierarchical 4-level per address space page tables |
SPARTAN kernel deploys generic interface for 4-level page tables for these |
architectures: amd64, arm32, ia32, mips32 and ppc32. In this setting, page |
tables are hierarchical and are not shared by address spaces (i.e. one set of |
page tables per address space). |
VADDR |
+-----------------------------------------------------------------------------+ |
| PTL0_INDEX | PTL1_INDEX | PTL2_INDEX | PTL3_INDEX | OFFSET | |
+-----------------------------------------------------------------------------+ |
PTL0 PTL1 PTL2 PTL3 |
+--------+ +--------+ +--------+ +--------+ |
| | | | | PTL3 | -----\ | | |
| | | | +--------+ | | | |
| | +--------+ | | | | | |
| | | PTL2 | -----\ | | | | | |
| | +--------+ | | | | | | |
| | | | | | | | +--------+ |
+--------+ | | | | | | | FRAME | |
| PTL1 | -----\ | | | | | | +--------+ |
+--------+ | | | | | | | | | |
| | | | | | | | | | | |
| | | | | | | | | | | |
+--------+ \----> +--------+ \----> +--------+ \----> +--------+ |
^ |
| |
| |
+--------+ |
| PTL0 | |
+--------+ |
PTL0 Page Table Level 0 (Page Directory) |
PTL1 Page Table Level 1 |
PTL2 Page Table Level 2 |
PTL3 Page Table Level 3 |
PTL0_INDEX Index into PTL0 |
PTL1_INDEX Index into PTL1 |
PTL2_INDEX Index into PTL2 |
PTL3_INDEX Index into PTL3 |
VADDR Virtual address for which mapping is looked up |
FRAME Physical address of memory frame to which VADDR is mapped |
On architectures whose hardware has fewer levels, PTL2 and, if need be, PTL1 are |
left out. TLB-only architectures are to define custom format for software page |
tables. |
1.2 Single global page hash table |
Generic page hash table interface is deployed on 64-bit architectures without |
implied hardware support for hierarchical page tables, i.e. ia64 and sparc64. |
There is only one global page hash table in the system shared by all address |
spaces. |
2. Memory allocators |
2.1 General allocator |
'malloc' function accepts flags as a second argument. The flags are directly |
passed to the underlying frame_alloc function. |
1) If the flags parameter contains FRAME_ATOMIC, the allocator will not sleep. |
The allocator CAN return NULL, when memory is not directly available. |
The caller MUST check if NULL was not returned |
2) If the flags parameter does not contain FRAME_ATOMIC, the allocator |
will never return NULL, but it CAN sleep indefinitely. The caller |
does not have to check the return value. |
3) The maximum size that can be allocated using malloc is 256K |
Rules 1) and 2) apply to slab_alloc as well. Using SLAB allocator |
to allocate too large values is not recommended. |
/branches/arm/kernel/doc/AUTHORS |
---|
0,0 → 1,12 |
Jakub Jermar |
Martin Decky |
Ondrej Palkovsky |
Jiri Svoboda |
Jakub Vana |
Josef Cejka |
Michal Kebrt |
Sergey Bondari |
Pavel Jancik |
Petr Stepan |
Michal Konopa |
Vojtech Mencl |
/branches/arm/kernel/doc/arch/mips32 |
---|
0,0 → 1,22 |
mips32 port |
=========== |
mips32 is the second port of SPARTAN kernel originally written by Jakub Jermar. |
It was first developed to run on MIPS R4000 32-bit simulator. |
It can be compiled and run either as little- or big-endian. |
HARDWARE REQUIREMENTS |
o emulated MIPS 4K CPU |
CPU |
o QED R4600 |
EMULATORS AND VIRTUALIZERS |
o msim 1.2.12 |
o gxemul - both big and little endian |
o simics 2.2.19 |
TOOLCHAIN REQUIREMENTS |
o binutils 2.16, 2.16.1 |
o gcc 4.0.1, 4.1.0, 4.1.1 |
o older versions may do as well, but are now obsoleted |
/branches/arm/kernel/doc/arch/arm32 |
---|
0,0 → 1,16 |
arm32 port |
========== |
arm32 port is the ninth port of SPARTAN, originally written by Michal Kebrt, |
Petr Stepan, Pavel Jancik. The goal is to support 32-bit ARM architecture. |
So far, it runs only in emulator. |
HARDWARE REQUIREMENTS |
o no real hardware supported |
EMULATORS AND VIRTUALIZERS |
o GXemul |
TOOLCHAIN REQUIREMENTS |
o binutils 2.17 |
o gcc 4.1.1 |
/branches/arm/kernel/doc/arch/sparc64 |
---|
0,0 → 1,25 |
sparc64 port |
============ |
Currently, this porting effort is subject to |
Jakub Jermar's work on his master thesis. |
The goal is to provide support for UltraSPARC |
implementation of SPARC V9 architecture. |
MACHINES |
o Sun Ultra 5 |
o Sun Ultra 60 |
o Sun Enterprise E6500 (simulated) |
CPU |
o UltraSPARC II |
o UltraSPARC IIi |
SIMULATORS |
o simics 2.2.19, simics 3.0.17, simics 3.0.21 |
TOOLCHAIN REQUIREMENTS |
o binutils 2.17 |
o gcc 4.1.1 |
o older versions may do as well, but are now obsoleted |
/branches/arm/kernel/doc/arch/amd64 |
---|
0,0 → 1,35 |
amd64 port |
========== |
The fifth port, amd64 port, was originally written by Ondrej Palkovsky. |
The goal is to support AMD64 and Intel Extended Memory 64 Technology PC's. |
The port makes use of portable parts of ia32. |
Both uniprocessors and multiprocessors are supported. |
The kernel runs on real hardware and in simulators too. |
HARDWARE REQUIREMENTS |
o AMD64 architecture processor |
o Intel Extended Memory 64 Technology processor |
CPU |
o Intel Xeon with Intel Extended Memory 64 Technology |
o AMD Athlon 64 |
SMP COMPATIBILITY |
o Bochs 2.2.1 - 2.2.6 |
o 2x-8x AMD64 CPU |
o Simics 2.2.19 |
o 2x-15x AMD hammer CPU |
o QEMU 0.8.0 - QEMU 0.8.1 |
o 2x-15x CPU |
o HP ProLiant ML350 (HyperThreading) |
EMULATORS AND VIRTUALIZERS |
o Bochs 2.2.6 |
o Simics 2.2.19 |
o QEMU 0.8.1 |
TOOLCHAIN REQUIREMENTS |
o binutils 2.16, 2.16.1 |
o gcc 4.0.1, 4.1.0, 4.1.1 |
o older versions may do as well, but are now obsoleted |
/branches/arm/kernel/doc/arch/ia64 |
---|
0,0 → 1,16 |
ia64 port |
========= |
ia64 port is the third port of SPARTAN originally written by Jakub Jermar. |
It is still in its early stages. It runs on HP Ski simulator of IA-64 architecture. |
HARDWARE REQUIREMENTS |
o no real hardware supported |
EMULATORS AND VIRTUALIZERS |
o ski |
TOOLCHAIN REQUIREMENTS |
o binutils 2.15, 2.16, 2.16.1 |
o gcc 4.0.0, 4.0.1, 4.1.0, 4.1.1 |
o older versions may do as well, but are now obsoleted |
/branches/arm/kernel/doc/arch/ppc32 |
---|
0,0 → 1,16 |
ppc32 port |
========== |
ppc32 port is the fourth port of SPARTAN, originally written by Martin Decky. |
The goal is to support 32-bit PowerPC architecture. |
So far, it runs only in emulator. |
HARDWARE REQUIREMENTS |
o no real hardware supported |
EMULATORS AND VIRTUALIZERS |
o PearPC |
TOOLCHAIN REQUIREMENTS |
o binutils 2.16 |
o gcc 4.0.1, 4.1.0, 4.1.1 |
/branches/arm/kernel/doc/arch/ia32 |
---|
0,0 → 1,40 |
ia32 port |
========= |
ia32 port is the oldest and the most advanced one. |
It was originally written by Jakub Jermar. |
It is meant to support ordinary PC's based on IA-32 architecture. |
Both uniprocessor and multiprocessor modes are supported. |
It runs both in emulated environment and on real hardware. |
HARDWARE REQUIREMENTS |
o IA-32 processor (Pentium and successors) |
SMP COMPATIBILITY |
o Bochs 2.0.2 - Bochs 2.2.6 |
o 2x-8x 686 CPU |
o Simics 2.0.28 - Simics 2.2.19 |
o 2x-15x Pentium 4 CPU |
o VMware Workstation 5.5 |
o 2x CPU |
o QEMU 0.8.0 - QEMU 0.8.1 |
o 2x-15x CPU |
o ASUS P/I-P65UP5 + ASUS C-P55T2D REV. 1.41 |
o 2x 200Mhz Pentium CPU |
o ASUS PCH-DL |
o 2x 3000Mhz Pentium 4 Xeon (HT) CPU |
o MSI K7D Master-L |
o 2x 2100MHz Athlon MP CPU |
o ECS 865PE-A REV : 2.0 |
o 1x 2800MHz Pentium 4 Prescott (HT) CPU |
EMULATORS AND VIRTUALIZERS |
o Bochs 2.0.2 - Bochs 2.2.6 |
o VMware Workstation 4, VMware Workstation 5, VMware Workstation 5.5 |
o Simics 2.2.19 |
o QEMU 0.8.0 - QEMU 0.8.1 |
TOOLCHAIN REQUIREMENTS |
o binutils 2.15, 2.16, 2.16.1 |
o gcc 3.3.5, 4.0.1, 4.1.0, 4.1.1 |
o older versions may do as well, but are now obsoleted |
/branches/arm/kernel/doc/doxygroups.h |
---|
0,0 → 1,433 |
/* Definitions of modules and its relations for generating Doxygen documentation */ |
/** @defgroup genericadt Data types |
* @ingroup kernel |
*/ |
/** @defgroup main Kernel initialization |
* @ingroup others |
*/ |
/** @defgroup genericconsole Kernel console |
* @ingroup others |
*/ |
/** |
* @defgroup time Time management |
* @ingroup kernel |
*/ |
/** |
* @defgroup proc Scheduling |
* @ingroup kernel |
*/ |
/** @defgroup genericproc generic |
* @ingroup proc |
*/ |
/** |
* @cond amd64 |
* @defgroup amd64proc amd64 |
* @ingroup proc |
* @endcond |
*/ |
/** |
* @cond arm32 |
* @defgroup arm32proc arm32 |
* @ingroup proc |
* @endcond |
*/ |
/** |
* @cond ia32 |
* @defgroup ia32proc ia32 |
* @ingroup proc |
* @endcond |
*/ |
/** |
* @cond ia64 |
* @defgroup ia64proc ia64 |
* @ingroup proc |
* @endcond |
*/ |
/** |
* @cond mips32 |
* @defgroup mips32proc mips32 |
* @ingroup proc |
* @endcond |
*/ |
/** |
* @cond ppc32 |
* @defgroup ppc32proc ppc32 |
* @ingroup proc |
* @endcond |
*/ |
/** |
* @cond ppc64 |
* @defgroup ppc64proc ppc64 |
* @ingroup proc |
* @endcond |
*/ |
/** |
* @cond sparc64 |
* @defgroup sparc64proc sparc64 |
* @ingroup proc |
* @endcond |
*/ |
/** @defgroup sync Synchronization |
* @ingroup kernel |
*/ |
/** @defgroup mm Memory management |
* @ingroup kernel |
*/ |
/** |
* @defgroup genericmm generic |
* @ingroup mm |
*/ |
/** |
* @defgroup genarchmm genarch |
* @ingroup mm |
*/ |
/** |
* @cond amd64 |
* @defgroup amd64mm amd64 |
* @ingroup mm |
* @endcond |
*/ |
/** |
* @cond arm32 |
* @defgroup arm32mm arm32 |
* @ingroup mm |
* @endcond |
*/ |
/** |
* @cond ia32 |
* @defgroup ia32mm ia32 |
* @ingroup mm |
* @endcond |
*/ |
/** |
* @cond ia64 |
* @defgroup ia64mm ia64 |
* @ingroup mm |
* @endcond |
*/ |
/** |
* @cond mips32 |
* @defgroup mips32mm mips32 |
* @ingroup mm |
* @endcond |
*/ |
/** |
* @cond ppc32 |
* @defgroup ppc32mm ppc32 |
* @ingroup mm |
* @endcond |
*/ |
/** |
* @cond ppc64 |
* @defgroup ppc64mm ppc64 |
* @ingroup mm |
* @endcond |
*/ |
/** |
* @cond sparc64 |
* @defgroup sparc64mm sparc64 |
* @ingroup mm |
* @endcond |
*/ |
/** @defgroup genericipc IPC |
* @ingroup kernel |
*/ |
/** @defgroup genericklog KLog |
* @brief Kernel logging facility |
* @ingroup genericconsole |
*/ |
/** @defgroup ddi Device Driver Interface |
* @ingroup kernel |
*/ |
/** @defgroup genericddi generic |
* @ingroup ddi |
*/ |
/** |
* @cond amd64 |
* @defgroup amd64ddi amd64 |
* @ingroup ddi |
* @endcond |
*/ |
/** |
* @cond arm32 |
* @defgroup arm32ddi arm32 |
* @ingroup ddi |
* @endcond |
*/ |
/** |
* @cond ia32 |
* @defgroup ia32ddi ia32 |
* @ingroup ddi |
* @endcond |
*/ |
/** |
* @cond ia64 |
* @defgroup ia64ddi ia64 |
* @ingroup ddi |
* @endcond |
*/ |
/** |
* @cond mips32 |
* @defgroup mips32ddi mips32 |
* @ingroup ddi |
* @endcond |
*/ |
/** |
* @cond ppc32 |
* @defgroup ppc32ddi ppc32 |
* @ingroup ddi |
* @endcond |
*/ |
/** |
* @cond ppc64 |
* @defgroup ppc64ddi ppc64 |
* @ingroup ddi |
* @endcond |
*/ |
/** |
* @cond sparc64 |
* @defgroup sparc64ddi sparc64 |
* @ingroup ddi |
* @endcond |
*/ |
/** @defgroup debug Debugging |
* @ingroup others |
*/ |
/** @defgroup genericdebug generic |
* @ingroup debug |
*/ |
/** |
* @cond amd64 |
* @defgroup amd64debug ia32/amd64 |
* @ingroup debug |
* @endcond |
*/ |
/** |
* @cond arm32 |
* @defgroup arm32debug arm32 |
* @ingroup debug |
* @endcond |
*/ |
/** |
* @cond ia32 |
* @defgroup amd64debug ia32/amd64 |
* @ingroup debug |
* @endcond |
*/ |
/** |
* @cond ia64 |
* @defgroup ia64debug ia64 |
* @ingroup debug |
* @endcond |
*/ |
/** |
* @cond mips32 |
* @defgroup mips32debug mips32 |
* @ingroup debug |
* @endcond |
*/ |
/** |
* @cond ppc32 |
* @defgroup ppc32debug ppc32 |
* @ingroup debug |
* @endcond |
*/ |
/** |
* @cond ppc64 |
* @defgroup ppc64debug ppc64 |
* @ingroup debug |
* @endcond |
*/ |
/** |
* @cond sparc64 |
* @defgroup sparc64debug sparc64 |
* @ingroup debug |
* @endcond |
*/ |
/** @defgroup interrupt Interrupt handling and dispatching |
* @ingroup kernel |
*/ |
/** |
* @defgroup genericinterrupt generic |
* @ingroup interrupt |
*/ |
/** |
* @cond amd64 |
* @defgroup amd64interrupt amd64 |
* @ingroup interrupt |
* @endcond |
*/ |
/** |
* @cond arm32 |
* @defgroup arm32interrupt arm32 |
* @ingroup interrupt |
* @endcond |
*/ |
/** |
* @cond ia32 |
* @defgroup ia32interrupt ia32 |
* @ingroup interrupt |
* @endcond |
*/ |
/** |
* @cond ia64 |
* @defgroup ia64interrupt ia64 |
* @ingroup interrupt |
* @endcond |
*/ |
/** |
* @cond mips32 |
* @defgroup mips32interrupt mips32 |
* @ingroup interrupt |
* @endcond |
*/ |
/** |
* @cond ppc32 |
* @defgroup ppc32interrupt ppc32 |
* @ingroup interrupt |
* @endcond |
*/ |
/** |
* @cond ppc64 |
* @defgroup ppc64interrupt ppc64 |
* @ingroup interrupt |
* @endcond |
*/ |
/** |
* @cond sparc64 |
* @defgroup sparc64interrupt sparc64 |
* @ingroup interrupt |
* @endcond |
*/ |
/** @defgroup others Miscellanea |
* @ingroup kernel |
*/ |
/** @defgroup generic generic |
* @ingroup others |
*/ |
/** @defgroup genarch genarch |
* @ingroup others |
*/ |
/** |
* @cond amd64 |
* @defgroup amd64 amd64 |
* @ingroup others |
* @endcond |
*/ |
/** |
* @cond arm32 |
* @defgroup arm32 arm32 |
* @ingroup others |
* @endcond |
*/ |
/** |
* @cond ia32 |
* @defgroup ia32 ia32 |
* @ingroup others |
* @endcond |
*/ |
/** |
* @cond ia64 |
* @defgroup ia64 ia64 |
* @ingroup others |
* @endcond |
*/ |
/** |
* @cond mips32 |
* @defgroup mips32 mips32 |
* @ingroup others |
* @endcond |
*/ |
/** |
* @cond ppc32 |
* @defgroup ppc32 ppc32 |
* @ingroup others |
* @endcond |
*/ |
/** |
* @cond ppc64 |
* @defgroup ppc64 ppc64 |
* @ingroup others |
* @endcond |
*/ |
/** |
* @cond sparc64 |
* @defgroup sparc64 sparc64 |
* @ingroup others |
* @endcond |
*/ |
/branches/arm/kernel/doc/build |
---|
0,0 → 1,14 |
Following make targets are supported: |
make, make all |
- Check configuration, build |
make config |
- Start kernel configuration program |
make clean |
- Clean build temporary files |
make distclean |
- Clean everything including configuration |
/branches/arm/kernel/doc/synchronization |
---|
0,0 → 1,29 |
SPINNING LOCKS |
spinlock_lock, spinlock_trylock, spinlock_unlock |
+------------+ |
| spinlock_t | |
+------------+ |
WAIT QUEUES |
waitq_sleep_timeout, waitq_wakeup |
+---------+ |
| waitq_t | |
+---------+ |
/ \ |
SEMAPHORES / \ CONDITION VARIABLES |
semaphore_down_timeout, semaphore_up condvar_wait_timeout, condvar_signal |
+--------------+ / \ +-----------+ |
| semaphore_t |<-+ +->| condvar_t | |
+--------------+ +-----------+ |
| ^ |
| | |
| +------+ |
V / |
MUTEXES / READERS/WRITERS LOCKS |
mutex_lock_timeout, mutex_unlock rwlock_reader/writer_lock_timeout, rwlock_unlock |
+---------+ / +----------+ |
| mutex_t |------------------------------->| rwlock_t | |
+---------+ / +----------+ |
| / |
+------------------------+ |
/branches/arm/kernel/Makefile |
---|
0,0 → 1,401 |
# |
# Copyright (c) 2005 Martin Decky |
# All rights reserved. |
# |
# Redistribution and use in source and binary forms, with or without |
# modification, are permitted provided that the following conditions |
# are met: |
# |
# - Redistributions of source code must retain the above copyright |
# notice, this list of conditions and the following disclaimer. |
# - Redistributions in binary form must reproduce the above copyright |
# notice, this list of conditions and the following disclaimer in the |
# documentation and/or other materials provided with the distribution. |
# - The name of the author may not be used to endorse or promote products |
# derived from this software without specific prior written permission. |
# |
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
## Include configuration |
# |
include ../version |
-include ../Makefile.config |
-include ../config.defs |
INCLUDES = generic/include |
OPTIMIZATION = 3 |
ifndef CROSS_PREFIX |
CROSS_PREFIX = /usr/local |
endif |
## Common compiler flags |
# |
DEFS = -DKERNEL -DRELEASE=$(RELEASE) "-DNAME=$(NAME)" -D__$(BITS)_BITS__ -D__$(ENDIANESS)__ |
GCC_CFLAGS = -I$(INCLUDES) -O$(OPTIMIZATION) -imacros ../config.h \ |
-fexec-charset=UTF-8 -fwide-exec-charset=UTF-32$(ENDIANESS) \ |
-finput-charset=UTF-8 -fno-builtin -Wall -Wextra -Wno-unused-parameter \ |
-Wmissing-prototypes -Werror -nostdlib -nostdinc -pipe |
ICC_CFLAGS = -I$(INCLUDES) -O$(OPTIMIZATION) -imacros ../config.h \ |
-fno-builtin -Wall -Wmissing-prototypes -Werror \ |
-nostdlib -nostdinc \ |
-wd170 |
SUNCC_CFLAGS = -I$(INCLUDES) -xO$(OPTIMIZATION) \ |
-xnolib -xc99=all -features=extensions \ |
-erroff=E_ZERO_SIZED_STRUCT_UNION |
LFLAGS = -M |
AFLAGS = |
-include arch/$(KARCH)/Makefile.inc |
-include genarch/Makefile.inc |
## The at-sign |
# |
# The $(ATSIGN) variable holds the ASCII character representing the at-sign |
# ('@') used in various $(AS) constructs (e.g. @progbits). On architectures that |
# don't use '@' for starting a comment, $(ATSIGN) is merely '@'. However, on |
# those that do use it for starting a comment (e.g. arm32), $(ATSIGN) must be |
# defined as the percentile-sign ('%') in the architecture-dependent |
# Makefile.inc. |
# |
ATSIGN ?= @ |
## Cross-platform assembly to start a symtab.data section |
# |
SYMTAB_SECTION=".section symtab.data, \"a\", $(ATSIGN)progbits;" |
## Simple detection for the type of the host system |
# |
HOST = $(shell uname) |
## On Solaris, some utilities have slightly different names |
# |
ifeq ($(HOST),SunOS) |
BINUTILS_PREFIX = "g" |
else |
BINUTILS_PREFIX = "" |
endif |
## Toolchain configuration |
# |
ifeq ($(COMPILER),gcc_native) |
CC = gcc |
GCC = gcc |
AS = $(BINUTILS_PREFIX)as |
LD = $(BINUTILS_PREFIX)ld |
OBJCOPY = $(BINUTILS_PREFIX)objcopy |
OBJDUMP = $(BINUTILS_PREFIX)objdump |
LIBDIR = /usr/lib |
CFLAGS = $(GCC_CFLAGS) |
DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS) |
endif |
ifeq ($(COMPILER),icc_native) |
CC = icc |
GCC = gcc |
AS = as |
LD = ld |
OBJCOPY = objcopy |
OBJDUMP = objdump |
LIBDIR = /usr/lib |
CFLAGS = $(ICC_CFLAGS) |
DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS) |
endif |
ifeq ($(COMPILER),suncc_native) |
CC = suncc |
GCC = gcc |
AS = $(BINUTILS_PREFIX)as |
LD = $(BINUTILS_PREFIX)ld |
OBJCOPY = $(BINUTILS_PREFIX)objcopy |
OBJDUMP = $(BINUTILS_PREFIX)objdump |
LIBDIR = /usr/lib |
CFLAGS = $(SUNCC_CFLAGS) |
DEFS += $(CONFIG_DEFS) |
DEPEND_DEFS = $(DEFS) |
endif |
ifeq ($(COMPILER),gcc_cross) |
CC = $(TOOLCHAIN_DIR)/bin/$(TARGET)-gcc |
GCC = $(CC) |
AS = $(TOOLCHAIN_DIR)/bin/$(TARGET)-as |
LD = $(TOOLCHAIN_DIR)/bin/$(TARGET)-ld |
OBJCOPY = $(TOOLCHAIN_DIR)/bin/$(TARGET)-objcopy |
OBJDUMP = $(TOOLCHAIN_DIR)/bin/$(TARGET)-objdump |
LIBDIR = $(TOOLCHAIN_DIR)/lib |
CFLAGS = $(GCC_CFLAGS) |
DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS) |
endif |
## Generic kernel sources |
# |
GENERIC_SOURCES = \ |
generic/src/adt/avl.c \ |
generic/src/adt/bitmap.c \ |
generic/src/adt/btree.c \ |
generic/src/adt/hash_table.c \ |
generic/src/adt/list.c \ |
generic/src/console/chardev.c \ |
generic/src/console/console.c \ |
generic/src/cpu/cpu.c \ |
generic/src/ddi/ddi.c \ |
generic/src/ddi/irq.c \ |
generic/src/ddi/device.c \ |
generic/src/debug/symtab.c \ |
generic/src/interrupt/interrupt.c \ |
generic/src/main/main.c \ |
generic/src/main/kinit.c \ |
generic/src/main/uinit.c \ |
generic/src/main/version.c \ |
generic/src/main/shutdown.c \ |
generic/src/proc/program.c \ |
generic/src/proc/scheduler.c \ |
generic/src/proc/thread.c \ |
generic/src/proc/task.c \ |
generic/src/proc/the.c \ |
generic/src/proc/tasklet.c \ |
generic/src/syscall/syscall.c \ |
generic/src/syscall/copy.c \ |
generic/src/mm/buddy.c \ |
generic/src/mm/frame.c \ |
generic/src/mm/page.c \ |
generic/src/mm/tlb.c \ |
generic/src/mm/as.c \ |
generic/src/mm/backend_anon.c \ |
generic/src/mm/backend_elf.c \ |
generic/src/mm/backend_phys.c \ |
generic/src/mm/slab.c \ |
generic/src/lib/func.c \ |
generic/src/lib/memstr.c \ |
generic/src/lib/sort.c \ |
generic/src/lib/string.c \ |
generic/src/lib/elf.c \ |
generic/src/lib/rd.c \ |
generic/src/printf/printf_core.c \ |
generic/src/printf/printf.c \ |
generic/src/printf/snprintf.c \ |
generic/src/printf/vprintf.c \ |
generic/src/printf/vsnprintf.c \ |
generic/src/time/clock.c \ |
generic/src/time/timeout.c \ |
generic/src/time/delay.c \ |
generic/src/preempt/preemption.c \ |
generic/src/synch/spinlock.c \ |
generic/src/synch/condvar.c \ |
generic/src/synch/rwlock.c \ |
generic/src/synch/mutex.c \ |
generic/src/synch/semaphore.c \ |
generic/src/synch/smc.c \ |
generic/src/synch/waitq.c \ |
generic/src/synch/futex.c \ |
generic/src/smp/ipi.c \ |
generic/src/smp/smp.c \ |
generic/src/ipc/ipc.c \ |
generic/src/ipc/sysipc.c \ |
generic/src/ipc/ipcrsc.c \ |
generic/src/ipc/irq.c \ |
generic/src/ipc/event.c \ |
generic/src/security/cap.c \ |
generic/src/sysinfo/sysinfo.c |
## Kernel console support |
# |
ifeq ($(CONFIG_KCONSOLE),y) |
GENERIC_SOURCES += \ |
generic/src/console/kconsole.c \ |
generic/src/console/cmd.c |
endif |
## Udebug interface sources |
# |
ifeq ($(CONFIG_UDEBUG),y) |
GENERIC_SOURCES += \ |
generic/src/ipc/kbox.c \ |
generic/src/udebug/udebug.c \ |
generic/src/udebug/udebug_ops.c \ |
generic/src/udebug/udebug_ipc.c |
endif |
## Test sources |
# |
ifeq ($(CONFIG_TEST),y) |
CFLAGS += -Itest/ |
GENERIC_SOURCES += \ |
test/test.c \ |
test/atomic/atomic1.c \ |
test/btree/btree1.c \ |
test/avltree/avltree1.c \ |
test/fault/fault1.c \ |
test/mm/falloc1.c \ |
test/mm/falloc2.c \ |
test/mm/mapping1.c \ |
test/mm/slab1.c \ |
test/mm/slab2.c \ |
test/synch/rwlock1.c \ |
test/synch/rwlock2.c \ |
test/synch/rwlock3.c \ |
test/synch/rwlock4.c \ |
test/synch/rwlock5.c \ |
test/synch/semaphore1.c \ |
test/synch/semaphore2.c \ |
test/print/print1.c \ |
test/print/print2.c \ |
test/print/print3.c \ |
test/print/print4.c \ |
test/thread/thread1.c \ |
test/sysinfo/sysinfo1.c |
ifeq ($(KARCH),mips32) |
GENERIC_SOURCES += test/debug/mips1.c |
else |
GENERIC_SOURCES += test/debug/mips1_skip.c |
endif |
ifeq ($(KARCH),ia64) |
GENERIC_SOURCES += test/mm/purge1.c |
else |
GENERIC_SOURCES += test/mm/purge1_skip.c |
endif |
ifeq ($(CONFIG_FPU),y) |
ifeq ($(KARCH),ia32) |
TEST_FPU1 = y |
TEST_SSE1 = y |
GENERIC_SOURCES += test/fpu/fpu1_x86.c |
endif |
ifeq ($(KARCH),amd64) |
TEST_FPU1 = y |
TEST_SSE1 = y |
GENERIC_SOURCES += test/fpu/fpu1_x86.c |
endif |
ifeq ($(KARCH),ia64) |
TEST_FPU1 = y |
GENERIC_SOURCES += test/fpu/fpu1_ia64.c |
endif |
ifeq ($(KARCH),mips32) |
TEST_MIPS2 = y |
endif |
endif |
ifneq ($(TEST_FPU1),y) |
GENERIC_SOURCES += test/fpu/fpu1_skip.c |
endif |
ifeq ($(TEST_SSE1),y) |
GENERIC_SOURCES += test/fpu/sse1.c |
else |
GENERIC_SOURCES += test/fpu/sse1_skip.c |
endif |
ifeq ($(TEST_MIPS2),y) |
GENERIC_SOURCES += test/fpu/mips2.c |
else |
GENERIC_SOURCES += test/fpu/mips2_skip.c |
endif |
endif |
GENERIC_OBJECTS := $(addsuffix .o,$(basename $(GENERIC_SOURCES))) |
ARCH_OBJECTS := $(addsuffix .o,$(basename $(ARCH_SOURCES))) |
GENARCH_OBJECTS := $(addsuffix .o,$(basename $(GENARCH_SOURCES))) |
ifeq ($(CONFIG_SYMTAB),y) |
SYMTAB_OBJECTS := generic/src/debug/real_map.o |
else |
SYMTAB_OBJECTS := |
endif |
.PHONY: all build clean archlinks depend disasm |
all: ../Makefile.config ../config.h ../config.defs |
-rm Makefile.depend |
$(MAKE) -C . build |
build: kernel.bin disasm |
-include Makefile.depend |
clean: |
-rm -f kernel.bin kernel.raw kernel.map kernel.map.pre kernel.objdump kernel.disasm generic/src/debug/real_map.bin Makefile.depend* generic/include/arch generic/include/genarch arch/$(KARCH)/_link.ld |
find generic/src/ arch/*/src/ genarch/src/ test/ -name '*.o' -follow -exec rm \{\} \; |
for arch in arch/* ; do \ |
[ -e $$arch/_link.ld ] && rm $$arch/_link.ld 2>/dev/null ; \ |
done ; exit 0 |
archlinks: |
ln -sfn ../../arch/$(KARCH)/include/ generic/include/arch |
ln -sfn ../../genarch/include/ generic/include/genarch |
depend: archlinks |
-makedepend -f - -- $(DEPEND_DEFS) $(CFLAGS) -- $(ARCH_SOURCES) $(GENARCH_SOURCES) $(GENERIC_SOURCES) > Makefile.depend 2> /dev/null |
arch/$(KARCH)/_link.ld: arch/$(KARCH)/_link.ld.in |
$(GCC) $(DEFS) $(GCC_CFLAGS) -D__ASM__ -D__LINKER__ -E -x c $< | grep -v "^\#" > $@ |
generic/src/debug/real_map.bin: depend arch/$(KARCH)/_link.ld $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) |
echo $(SYMTAB_SECTION) | $(AS) $(AFLAGS) -o generic/src/debug/empty_map.o |
$(LD) -T arch/$(KARCH)/_link.ld $(LFLAGS) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) generic/src/debug/empty_map.o -o $@ -Map kernel.map.pre |
$(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > kernel.objdump |
tools/genmap.py kernel.map.pre kernel.objdump generic/src/debug/real_map.bin |
# Do it once again, this time to get correct even the symbols |
# on architectures, that have bss after symtab |
echo $(SYMTAB_SECTION)" .incbin \"$@\"" | $(AS) $(AFLAGS) -o generic/src/debug/sizeok_map.o |
$(LD) -T arch/$(KARCH)/_link.ld $(LFLAGS) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) generic/src/debug/sizeok_map.o -o $@ -Map kernel.map.pre |
$(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > kernel.objdump |
tools/genmap.py kernel.map.pre kernel.objdump generic/src/debug/real_map.bin |
generic/src/debug/real_map.o: generic/src/debug/real_map.bin |
echo $(SYMTAB_SECTION)" .incbin \"$<\"" | $(AS) $(AFLAGS) -o $@ |
kernel.raw: depend arch/$(KARCH)/_link.ld $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(SYMTAB_OBJECTS) |
$(LD) -T arch/$(KARCH)/_link.ld $(LFLAGS) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SYMTAB_OBJECTS) -o $@ -Map kernel.map |
kernel.bin: kernel.raw |
$(OBJCOPY) -O $(BFD) kernel.raw kernel.bin |
disasm: kernel.raw |
$(OBJDUMP) -d kernel.raw > kernel.disasm |
%.o: %.S |
$(GCC) $(DEFS) $(GCC_CFLAGS) -D__ASM__ -c $< -o $@ |
%.o: %.s |
$(AS) $(AFLAGS) $< -o $@ |
# |
# The FPU tests are the only objects for which we allow the compiler to generate |
# FPU instructions. |
# |
test/fpu/%.o: test/fpu/%.c |
$(CC) $(DEFS) $(CFLAGS) $(EXTRA_FLAGS) -c $< -o $@ |
# |
# Ordinary objects. |
# |
%.o: %.c |
$(CC) $(DEFS) $(CFLAGS) $(EXTRA_FLAGS) $(FPU_NO_CFLAGS) -c $< -o $@ |
/branches/arm/kernel/test/avltree/avltree1.c |
---|
0,0 → 1,282 |
/* |
* Copyright (c) 2007 Vojtech Mencl |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <test.h> |
#include <print.h> |
#include <adt/avl.h> |
#include <debug.h> |
#include <arch/types.h> |
#define NODE_COUNT 100 |
static avltree_t avltree; |
/* |
* avl tree nodes in array for faster allocation |
*/ |
static avltree_node_t avltree_nodes[NODE_COUNT]; |
/* |
* head of free nodes' list: |
*/ |
static avltree_node_t *first_free_node = NULL; |
static int test_tree_balance(avltree_node_t *node); |
static avltree_node_t *test_tree_parents(avltree_node_t *node); |
static void print_tree_structure_flat (avltree_node_t *node, int level) |
__attribute__ ((used)); |
static avltree_node_t *alloc_avltree_node(void); |
static avltree_node_t *test_tree_parents(avltree_node_t *node) |
{ |
avltree_node_t *tmp; |
if (!node) |
return NULL; |
if (node->lft) { |
tmp = test_tree_parents(node->lft); |
if (tmp != node) { |
TPRINTF("Bad parent pointer key: %" PRIu64 |
", address: %p\n", tmp->key, node->lft); |
} |
} |
if (node->rgt) { |
tmp = test_tree_parents(node->rgt); |
if (tmp != node) { |
TPRINTF("Bad parent pointer key: %" PRIu64 |
", address: %p\n", |
tmp->key,node->rgt); |
} |
} |
return node->par; |
} |
int test_tree_balance(avltree_node_t *node) |
{ |
int h1, h2, diff; |
if (!node) |
return 0; |
h1 = test_tree_balance(node->lft); |
h2 = test_tree_balance(node->rgt); |
diff = h2 - h1; |
if ((diff != node->balance) || ((diff != -1) && (diff != 0) && (diff != 1))) |
TPRINTF("Bad balance\n"); |
return ((h1 > h2) ? (h1 + 1) : (h2 + 1)); |
} |
/** |
* Prints the structure of the node, which is level levels from the top of the |
* tree. |
*/ |
static void print_tree_structure_flat(avltree_node_t *node, int level) |
{ |
/* |
* You can set the maximum level as high as you like. |
* Most of the time, you'll want to debug code using small trees, |
* so that a large level indicates a loop, which is a bug. |
*/ |
if (level > 16) { |
TPRINTF("[...]"); |
return; |
} |
if (node == NULL) |
return; |
TPRINTF("%" PRIu64 "[%" PRIu8 "]", node->key, node->balance); |
if (node->lft != NULL || node->rgt != NULL) { |
TPRINTF("("); |
print_tree_structure_flat(node->lft, level + 1); |
if (node->rgt != NULL) { |
TPRINTF(","); |
print_tree_structure_flat(node->rgt, level + 1); |
} |
TPRINTF(")"); |
} |
} |
static void alloc_avltree_node_prepare(void) |
{ |
int i; |
for (i = 0; i < NODE_COUNT - 1; i++) |
avltree_nodes[i].par = &avltree_nodes[i + 1]; |
avltree_nodes[i].par = NULL; |
/* |
* Node keys which will be used for insertion. Up to NODE_COUNT size of |
* array. |
*/ |
/* First tree node and same key */ |
avltree_nodes[0].key = 60; |
avltree_nodes[1].key = 60; |
avltree_nodes[2].key = 60; |
/* LL rotation */ |
avltree_nodes[3].key = 50; |
avltree_nodes[4].key = 40; |
avltree_nodes[5].key = 30; |
/* LR rotation */ |
avltree_nodes[6].key = 20; |
avltree_nodes[7].key = 20; |
avltree_nodes[8].key = 25; |
avltree_nodes[9].key = 25; |
/* LL rotation in lower floor */ |
avltree_nodes[10].key = 35; |
/* RR rotation */ |
avltree_nodes[11].key = 70; |
avltree_nodes[12].key = 80; |
/* RL rotation */ |
avltree_nodes[13].key = 90; |
avltree_nodes[14].key = 85; |
/* Insert 0 key */ |
avltree_nodes[15].key = 0; |
avltree_nodes[16].key = 0; |
/* Insert reverse */ |
avltree_nodes[17].key = 600; |
avltree_nodes[18].key = 500; |
avltree_nodes[19].key = 400; |
avltree_nodes[20].key = 300; |
for (i = 21; i < NODE_COUNT; i++) |
avltree_nodes[i].key = i * 3; |
first_free_node = &avltree_nodes[0]; |
} |
static avltree_node_t *alloc_avltree_node(void) |
{ |
avltree_node_t *node; |
node = first_free_node; |
first_free_node = first_free_node->par; |
return node; |
} |
static void test_tree_insert(avltree_t *tree, size_t node_count) |
{ |
unsigned int i; |
avltree_node_t *newnode; |
avltree_create(tree); |
TPRINTF("Inserting %" PRIs " nodes...", node_count); |
for (i = 0; i < node_count; i++) { |
newnode = alloc_avltree_node(); |
avltree_insert(tree, newnode); |
test_tree_parents(tree->root); |
test_tree_balance(tree->root); |
} |
TPRINTF("done.\n"); |
} |
static void test_tree_delete(avltree_t *tree, size_t node_count, |
int node_position) |
{ |
avltree_node_t *delnode; |
unsigned int i; |
switch (node_position) { |
case 0: |
TPRINTF("Deleting root nodes..."); |
while (tree->root != NULL) { |
delnode = tree->root; |
avltree_delete(tree, delnode); |
test_tree_parents(tree->root); |
test_tree_balance(tree->root); |
} |
break; |
case 1: |
TPRINTF("Deleting nodes according to creation time..."); |
for (i = 0; i < node_count; i++) { |
avltree_delete(tree, &avltree_nodes[i]); |
test_tree_parents(tree->root); |
test_tree_balance(tree->root); |
} |
break; |
} |
TPRINTF("done.\n"); |
} |
static void test_tree_delmin(avltree_t *tree, size_t node_count) |
{ |
unsigned int i = 0; |
TPRINTF("Deleting minimum nodes..."); |
while (tree->root != NULL) { |
i++; |
avltree_delete_min(tree); |
test_tree_parents(tree->root); |
test_tree_balance(tree->root); |
} |
if (i != node_count) |
TPRINTF("Bad node count. Some nodes have been lost!\n"); |
TPRINTF("done.\n"); |
} |
char *test_avltree1(void) |
{ |
alloc_avltree_node_prepare(); |
test_tree_insert(&avltree, NODE_COUNT); |
test_tree_delete(&avltree, NODE_COUNT, 0); |
alloc_avltree_node_prepare(); |
test_tree_insert(&avltree, NODE_COUNT); |
test_tree_delete(&avltree, NODE_COUNT, 1); |
alloc_avltree_node_prepare(); |
test_tree_insert(&avltree, NODE_COUNT); |
test_tree_delmin(&avltree, NODE_COUNT); |
return NULL; |
} |
/branches/arm/kernel/test/avltree/avltree1.def |
---|
0,0 → 1,6 |
{ |
"avltree1", |
"Test AVL tree operations", |
&test_avltree1, |
true |
}, |
/branches/arm/kernel/test/synch/rwlock4.c |
---|
0,0 → 1,184 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <test.h> |
#include <arch.h> |
#include <atomic.h> |
#include <print.h> |
#include <proc/thread.h> |
#include <arch/types.h> |
#include <arch/context.h> |
#include <context.h> |
#include <synch/waitq.h> |
#include <synch/rwlock.h> |
#include <synch/synch.h> |
#include <synch/spinlock.h> |
#define READERS 50 |
#define WRITERS 50 |
static atomic_t thread_count; |
static rwlock_t rwlock; |
static atomic_t threads_fault; |
SPINLOCK_INITIALIZE(rw_lock); |
static waitq_t can_start; |
static uint32_t seed = 0xdeadbeef; |
static uint32_t random(uint32_t max) |
{ |
uint32_t rc; |
spinlock_lock(&rw_lock); |
rc = seed % max; |
seed = (((seed << 2) ^ (seed >> 2)) * 487) + rc; |
spinlock_unlock(&rw_lock); |
return rc; |
} |
static void writer(void *arg) |
{ |
int rc, to; |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
to = random(40000); |
TPRINTF("cpu%u, tid %" PRIu64 " w+ (%d)\n", CPU->id, THREAD->tid, to); |
rc = rwlock_write_lock_timeout(&rwlock, to); |
if (SYNCH_FAILED(rc)) { |
TPRINTF("cpu%u, tid %" PRIu64 " w!\n", CPU->id, THREAD->tid); |
atomic_dec(&thread_count); |
return; |
} |
TPRINTF("cpu%u, tid %" PRIu64 " w=\n", CPU->id, THREAD->tid); |
if (rwlock.readers_in) { |
TPRINTF("Oops.\n"); |
atomic_inc(&threads_fault); |
atomic_dec(&thread_count); |
return; |
} |
thread_usleep(random(1000000)); |
if (rwlock.readers_in) { |
TPRINTF("Oops.\n"); |
atomic_inc(&threads_fault); |
atomic_dec(&thread_count); |
return; |
} |
rwlock_write_unlock(&rwlock); |
TPRINTF("cpu%u, tid %" PRIu64 " w-\n", CPU->id, THREAD->tid); |
atomic_dec(&thread_count); |
} |
static void reader(void *arg) |
{ |
int rc, to; |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
to = random(2000); |
TPRINTF("cpu%u, tid %" PRIu64 " r+ (%d)\n", CPU->id, THREAD->tid, to); |
rc = rwlock_read_lock_timeout(&rwlock, to); |
if (SYNCH_FAILED(rc)) { |
TPRINTF("cpu%u, tid %" PRIu64 " r!\n", CPU->id, THREAD->tid); |
atomic_dec(&thread_count); |
return; |
} |
TPRINTF("cpu%u, tid %" PRIu64 " r=\n", CPU->id, THREAD->tid); |
thread_usleep(30000); |
rwlock_read_unlock(&rwlock); |
TPRINTF("cpu%u, tid %" PRIu64 " r-\n", CPU->id, THREAD->tid); |
atomic_dec(&thread_count); |
} |
char *test_rwlock4(void) |
{ |
context_t ctx; |
uint32_t i; |
waitq_initialize(&can_start); |
rwlock_initialize(&rwlock); |
atomic_set(&threads_fault, 0); |
uint32_t rd = random(7) + 1; |
uint32_t wr = random(5) + 1; |
atomic_set(&thread_count, rd + wr); |
thread_t *thrd; |
context_save(&ctx); |
TPRINTF("sp=%#x, readers_in=%" PRIs "\n", ctx.sp, rwlock.readers_in); |
TPRINTF("Creating %" PRIu32 " readers\n", rd); |
for (i = 0; i < rd; i++) { |
thrd = thread_create(reader, NULL, TASK, 0, "reader", false); |
if (thrd) |
thread_ready(thrd); |
else |
TPRINTF("Could not create reader %" PRIu32 "\n", i); |
} |
TPRINTF("Creating %" PRIu32 " writers\n", wr); |
for (i = 0; i < wr; i++) { |
thrd = thread_create(writer, NULL, TASK, 0, "writer", false); |
if (thrd) |
thread_ready(thrd); |
else |
TPRINTF("Could not create writer %" PRIu32 "\n", i); |
} |
thread_usleep(20000); |
waitq_wakeup(&can_start, WAKEUP_ALL); |
while (atomic_get(&thread_count) > 0) { |
TPRINTF("Threads left: %ld\n", atomic_get(&thread_count)); |
thread_sleep(1); |
} |
if (atomic_get(&threads_fault) == 0) |
return NULL; |
return "Test failed"; |
} |
/branches/arm/kernel/test/synch/rwlock1.c |
---|
0,0 → 1,75 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <test.h> |
#include <arch.h> |
#include <atomic.h> |
#include <print.h> |
#include <proc/thread.h> |
#include <synch/waitq.h> |
#include <synch/rwlock.h> |
#define READERS 50 |
#define WRITERS 50 |
static rwlock_t rwlock; |
char *test_rwlock1(void) |
{ |
rwlock_initialize(&rwlock); |
rwlock_write_lock(&rwlock); |
rwlock_write_unlock(&rwlock); |
rwlock_read_lock(&rwlock); |
rwlock_read_lock(&rwlock); |
rwlock_read_lock(&rwlock); |
rwlock_read_lock(&rwlock); |
rwlock_read_lock(&rwlock); |
rwlock_read_unlock(&rwlock); |
rwlock_read_unlock(&rwlock); |
rwlock_read_unlock(&rwlock); |
rwlock_read_unlock(&rwlock); |
rwlock_read_unlock(&rwlock); |
rwlock_write_lock(&rwlock); |
rwlock_write_unlock(&rwlock); |
rwlock_read_lock(&rwlock); |
rwlock_read_unlock(&rwlock); |
rwlock_write_lock(&rwlock); |
rwlock_write_unlock(&rwlock); |
rwlock_read_lock(&rwlock); |
rwlock_read_unlock(&rwlock); |
return NULL; |
} |
/branches/arm/kernel/test/synch/rwlock2.c |
---|
0,0 → 1,83 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <test.h> |
#include <arch.h> |
#include <atomic.h> |
#include <print.h> |
#include <proc/thread.h> |
#include <synch/rwlock.h> |
#define READERS 50 |
#define WRITERS 50 |
static rwlock_t rwlock; |
static void writer(void *arg) |
{ |
TPRINTF("Trying to lock rwlock for writing....\n"); |
rwlock_write_lock(&rwlock); |
rwlock_write_unlock(&rwlock); |
TPRINTF("Trying to lock rwlock for reading....\n"); |
rwlock_read_lock(&rwlock); |
rwlock_read_unlock(&rwlock); |
} |
char *test_rwlock2(void) |
{ |
thread_t *thrd; |
rwlock_initialize(&rwlock); |
rwlock_read_lock(&rwlock); |
rwlock_read_lock(&rwlock); |
rwlock_read_lock(&rwlock); |
rwlock_read_lock(&rwlock); |
thrd = thread_create(writer, NULL, TASK, 0, "writer", false); |
if (thrd) |
thread_ready(thrd); |
else |
return "Could not create thread"; |
thread_sleep(1); |
rwlock_read_unlock(&rwlock); |
rwlock_read_unlock(&rwlock); |
rwlock_read_unlock(&rwlock); |
rwlock_read_unlock(&rwlock); |
thread_join(thrd); |
thread_detach(thrd); |
return NULL; |
} |
/branches/arm/kernel/test/synch/rwlock3.c |
---|
0,0 → 1,89 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <test.h> |
#include <arch.h> |
#include <atomic.h> |
#include <print.h> |
#include <proc/thread.h> |
#include <synch/rwlock.h> |
#define THREADS 4 |
static atomic_t thread_count; |
static rwlock_t rwlock; |
static void reader(void *arg) |
{ |
thread_detach(THREAD); |
TPRINTF("cpu%u, tid %" PRIu64 ": trying to lock rwlock for reading....\n", CPU->id, THREAD->tid); |
rwlock_read_lock(&rwlock); |
rwlock_read_unlock(&rwlock); |
TPRINTF("cpu%u, tid %" PRIu64 ": success\n", CPU->id, THREAD->tid); |
TPRINTF("cpu%u, tid %" PRIu64 ": trying to lock rwlock for writing....\n", CPU->id, THREAD->tid); |
rwlock_write_lock(&rwlock); |
rwlock_write_unlock(&rwlock); |
TPRINTF("cpu%u, tid %" PRIu64 ": success\n", CPU->id, THREAD->tid); |
atomic_dec(&thread_count); |
} |
char *test_rwlock3(void) |
{ |
int i; |
thread_t *thrd; |
atomic_set(&thread_count, THREADS); |
rwlock_initialize(&rwlock); |
rwlock_write_lock(&rwlock); |
for (i = 0; i < THREADS; i++) { |
thrd = thread_create(reader, NULL, TASK, 0, "reader", false); |
if (thrd) |
thread_ready(thrd); |
else |
TPRINTF("Could not create reader %d\n", i); |
} |
thread_sleep(1); |
rwlock_write_unlock(&rwlock); |
while (atomic_get(&thread_count) > 0) { |
TPRINTF("Threads left: %ld\n", atomic_get(&thread_count)); |
thread_sleep(1); |
} |
return NULL; |
} |
/branches/arm/kernel/test/synch/semaphore1.c |
---|
0,0 → 1,120 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <test.h> |
#include <arch.h> |
#include <atomic.h> |
#include <print.h> |
#include <proc/thread.h> |
#include <synch/waitq.h> |
#include <synch/semaphore.h> |
#define AT_ONCE 3 |
#define PRODUCERS 50 |
#define CONSUMERS 50 |
static semaphore_t sem; |
static waitq_t can_start; |
static atomic_t items_produced; |
static atomic_t items_consumed; |
static void producer(void *arg) |
{ |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
semaphore_down(&sem); |
atomic_inc(&items_produced); |
thread_usleep(250); |
semaphore_up(&sem); |
} |
static void consumer(void *arg) |
{ |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
semaphore_down(&sem); |
atomic_inc(&items_consumed); |
thread_usleep(500); |
semaphore_up(&sem); |
} |
char *test_semaphore1(void) |
{ |
int i, j, k; |
int consumers, producers; |
waitq_initialize(&can_start); |
semaphore_initialize(&sem, AT_ONCE); |
for (i = 1; i <= 3; i++) { |
thread_t *thrd; |
atomic_set(&items_produced, 0); |
atomic_set(&items_consumed, 0); |
consumers = i * CONSUMERS; |
producers = (4 - i) * PRODUCERS; |
TPRINTF("Creating %d consumers and %d producers...", consumers, producers); |
for (j = 0; j < (CONSUMERS + PRODUCERS) / 2; j++) { |
for (k = 0; k < i; k++) { |
thrd = thread_create(consumer, NULL, TASK, 0, "consumer", false); |
if (thrd) |
thread_ready(thrd); |
else |
TPRINTF("could not create consumer %d\n", i); |
} |
for (k = 0; k < (4 - i); k++) { |
thrd = thread_create(producer, NULL, TASK, 0, "producer", false); |
if (thrd) |
thread_ready(thrd); |
else |
TPRINTF("could not create producer %d\n", i); |
} |
} |
TPRINTF("ok\n"); |
thread_sleep(1); |
waitq_wakeup(&can_start, WAKEUP_ALL); |
while ((items_consumed.count != consumers) || (items_produced.count != producers)) { |
TPRINTF("%d consumers remaining, %d producers remaining\n", consumers - items_consumed.count, producers - items_produced.count); |
thread_sleep(1); |
} |
} |
return NULL; |
} |
/branches/arm/kernel/test/synch/semaphore2.c |
---|
0,0 → 1,107 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <test.h> |
#include <arch.h> |
#include <atomic.h> |
#include <print.h> |
#include <proc/thread.h> |
#include <arch/types.h> |
#include <arch/context.h> |
#include <synch/waitq.h> |
#include <synch/semaphore.h> |
#include <synch/synch.h> |
#include <synch/spinlock.h> |
static semaphore_t sem; |
SPINLOCK_INITIALIZE(sem_lock); |
static waitq_t can_start; |
static uint32_t seed = 0xdeadbeef; |
static uint32_t random(uint32_t max) |
{ |
uint32_t rc; |
spinlock_lock(&sem_lock); |
rc = seed % max; |
seed = (((seed << 2) ^ (seed >> 2)) * 487) + rc; |
spinlock_unlock(&sem_lock); |
return rc; |
} |
static void consumer(void *arg) |
{ |
int rc, to; |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
to = random(20000); |
TPRINTF("cpu%u, tid %" PRIu64 " down+ (%d)\n", CPU->id, THREAD->tid, to); |
rc = semaphore_down_timeout(&sem, to); |
if (SYNCH_FAILED(rc)) { |
TPRINTF("cpu%u, tid %" PRIu64 " down!\n", CPU->id, THREAD->tid); |
return; |
} |
TPRINTF("cpu%u, tid %" PRIu64 " down=\n", CPU->id, THREAD->tid); |
thread_usleep(random(30000)); |
semaphore_up(&sem); |
TPRINTF("cpu%u, tid %" PRIu64 " up\n", CPU->id, THREAD->tid); |
} |
char *test_semaphore2(void) |
{ |
uint32_t i, k; |
waitq_initialize(&can_start); |
semaphore_initialize(&sem, 5); |
thread_t *thrd; |
k = random(7) + 1; |
TPRINTF("Creating %" PRIu32 " consumers\n", k); |
for (i = 0; i < k; i++) { |
thrd = thread_create(consumer, NULL, TASK, 0, "consumer", false); |
if (thrd) |
thread_ready(thrd); |
else |
TPRINTF("Error creating thread\n"); |
} |
thread_usleep(20000); |
waitq_wakeup(&can_start, WAKEUP_ALL); |
return NULL; |
} |
/branches/arm/kernel/test/synch/rwlock5.c |
---|
0,0 → 1,117 |
/* |
* Copyright (c) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <test.h> |
#include <arch.h> |
#include <atomic.h> |
#include <print.h> |
#include <proc/thread.h> |
#include <synch/waitq.h> |
#include <synch/rwlock.h> |
#define READERS 50 |
#define WRITERS 50 |
static rwlock_t rwlock; |
static waitq_t can_start; |
static atomic_t items_read; |
static atomic_t items_written; |
static void writer(void *arg) |
{ |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
rwlock_write_lock(&rwlock); |
atomic_inc(&items_written); |
rwlock_write_unlock(&rwlock); |
} |
static void reader(void *arg) |
{ |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
rwlock_read_lock(&rwlock); |
atomic_inc(&items_read); |
rwlock_read_unlock(&rwlock); |
} |
char *test_rwlock5(void) |
{ |
int i, j, k; |
long readers, writers; |
waitq_initialize(&can_start); |
rwlock_initialize(&rwlock); |
for (i = 1; i <= 3; i++) { |
thread_t *thrd; |
atomic_set(&items_read, 0); |
atomic_set(&items_written, 0); |
readers = i * READERS; |
writers = (4 - i) * WRITERS; |
TPRINTF("Creating %ld readers and %ld writers...", readers, writers); |
for (j = 0; j < (READERS + WRITERS) / 2; j++) { |
for (k = 0; k < i; k++) { |
thrd = thread_create(reader, NULL, TASK, 0, "reader", false); |
if (thrd) |
thread_ready(thrd); |
else |
TPRINTF("Could not create reader %d\n", k); |
} |
for (k = 0; k < (4 - i); k++) { |
thrd = thread_create(writer, NULL, TASK, 0, "writer", false); |
if (thrd) |
thread_ready(thrd); |
else |
TPRINTF("Could not create writer %d\n", k); |
} |
} |
TPRINTF("ok\n"); |
thread_sleep(1); |
waitq_wakeup(&can_start, WAKEUP_ALL); |
while ((items_read.count != readers) || (items_written.count != writers)) { |
TPRINTF("%d readers remaining, %d writers remaining, readers_in=%d\n", readers - items_read.count, writers - items_written.count, rwlock.readers_in); |
thread_usleep(100000); |
} |
} |
return NULL; |
} |
/branches/arm/kernel/test/synch/rwlock1.def |
---|
0,0 → 1,6 |
{ |
"rwlock1", |
"RW-lock test 1", |
&test_rwlock1, |
true |
}, |
/branches/arm/kernel/test/synch/rwlock2.def |
---|
0,0 → 1,6 |
{ |
"rwlock2", |
"RW-lock test 2", |
&test_rwlock2, |
true |
}, |
/branches/arm/kernel/test/synch/rwlock3.def |
---|
0,0 → 1,6 |
{ |
"rwlock3", |
"RW-lock test 3", |
&test_rwlock3, |
true |
}, |
/branches/arm/kernel/test/synch/semaphore1.def |
---|
0,0 → 1,6 |
{ |
"semaphore1", |
"Semaphore test 1", |
&test_semaphore1, |
true |
}, |
/branches/arm/kernel/test/synch/rwlock4.def |
---|
0,0 → 1,6 |
{ |
"rwlock4", |
"RW-lock test 4", |
&test_rwlock4, |
true |
}, |
/branches/arm/kernel/test/synch/semaphore2.def |
---|
0,0 → 1,6 |
{ |
"semaphore2", |
"Semaphore test 2", |
&test_semaphore2, |
true |
}, |
/branches/arm/kernel/test/synch/rwlock5.def |
---|
0,0 → 1,6 |
{ |
"rwlock5", |
"RW-lock test 5", |
&test_rwlock5, |
true |
}, |
/branches/arm/kernel/test/mm/falloc2.c |
---|
0,0 → 1,131 |
/* |
* Copyright (c) 2006 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <print.h> |
#include <test.h> |
#include <mm/page.h> |
#include <mm/frame.h> |
#include <mm/slab.h> |
#include <arch/mm/page.h> |
#include <arch/types.h> |
#include <atomic.h> |
#include <debug.h> |
#include <proc/thread.h> |
#include <memstr.h> |
#include <arch.h> |
#define MAX_FRAMES 256 |
#define MAX_ORDER 8 |
#define THREAD_RUNS 1 |
#define THREADS 8 |
static atomic_t thread_count; |
static atomic_t thread_fail; |
static void falloc(void *arg) |
{ |
int order, run, allocated, i; |
uint8_t val = THREAD->tid % THREADS; |
size_t k; |
void **frames = (void **) malloc(MAX_FRAMES * sizeof(void *), FRAME_ATOMIC); |
if (frames == NULL) { |
TPRINTF("Thread #%" PRIu64 " (cpu%u): Unable to allocate frames\n", THREAD->tid, CPU->id); |
atomic_inc(&thread_fail); |
atomic_dec(&thread_count); |
return; |
} |
thread_detach(THREAD); |
for (run = 0; run < THREAD_RUNS; run++) { |
for (order = 0; order <= MAX_ORDER; order++) { |
TPRINTF("Thread #%" PRIu64 " (cpu%u): Allocating %d frames blocks ... \n", THREAD->tid, CPU->id, 1 << order); |
allocated = 0; |
for (i = 0; i < (MAX_FRAMES >> order); i++) { |
frames[allocated] = frame_alloc(order, FRAME_ATOMIC | FRAME_KA); |
if (frames[allocated]) { |
memsetb(frames[allocated], FRAME_SIZE << order, val); |
allocated++; |
} else |
break; |
} |
TPRINTF("Thread #%" PRIu64 " (cpu%u): %d blocks allocated.\n", THREAD->tid, CPU->id, allocated); |
TPRINTF("Thread #%" PRIu64 " (cpu%u): Deallocating ... \n", THREAD->tid, CPU->id); |
for (i = 0; i < allocated; i++) { |
for (k = 0; k <= (((size_t) FRAME_SIZE << order) - 1); k++) { |
if (((uint8_t *) frames[i])[k] != val) { |
TPRINTF("Thread #%" PRIu64 " (cpu%u): Unexpected data (%c) in block %p offset %#" PRIs "\n", THREAD->tid, CPU->id, ((char *) frames[i])[k], frames[i], k); |
atomic_inc(&thread_fail); |
goto cleanup; |
} |
} |
frame_free(KA2PA(frames[i])); |
} |
TPRINTF("Thread #%" PRIu64 " (cpu%u): Finished run.\n", THREAD->tid, CPU->id); |
} |
} |
cleanup: |
free(frames); |
TPRINTF("Thread #%" PRIu64 " (cpu%u): Exiting\n", THREAD->tid, CPU->id); |
atomic_dec(&thread_count); |
} |
char *test_falloc2(void) |
{ |
unsigned int i; |
atomic_set(&thread_count, THREADS); |
atomic_set(&thread_fail, 0); |
for (i = 0; i < THREADS; i++) { |
thread_t * thrd = thread_create(falloc, NULL, TASK, 0, "falloc", false); |
if (!thrd) { |
TPRINTF("Could not create thread %u\n", i); |
break; |
} |
thread_ready(thrd); |
} |
while (atomic_get(&thread_count) > 0) { |
TPRINTF("Threads left: %ld\n", atomic_get(&thread_count)); |
thread_sleep(1); |
} |
if (atomic_get(&thread_fail) == 0) |
return NULL; |
return "Test failed"; |
} |
/branches/arm/kernel/test/mm/purge1.c |
---|
0,0 → 1,83 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <print.h> |
#include <test.h> |
#include <mm/page.h> |
#include <mm/frame.h> |
#include <mm/as.h> |
#include <arch/mm/page.h> |
#include <arch/mm/tlb.h> |
#include <arch/types.h> |
#include <debug.h> |
extern void tlb_invalidate_all(void); |
extern void tlb_invalidate_pages(asid_t asid, uintptr_t va, size_t cnt); |
char *test_purge1(void) |
{ |
tlb_entry_t entryi; |
tlb_entry_t entryd; |
int i; |
entryd.word[0] = 0; |
entryd.word[1] = 0; |
entryd.p = true; /* present */ |
entryd.ma = MA_WRITEBACK; |
entryd.a = true; /* already accessed */ |
entryd.d = true; /* already dirty */ |
entryd.pl = PL_KERNEL; |
entryd.ar = AR_READ | AR_WRITE; |
entryd.ppn = 0; |
entryd.ps = PAGE_WIDTH; |
entryi.word[0] = 0; |
entryi.word[1] = 0; |
entryi.p = true; /* present */ |
entryi.ma = MA_WRITEBACK; |
entryi.a = true; /* already accessed */ |
entryi.d = true; /* already dirty */ |
entryi.pl = PL_KERNEL; |
entryi.ar = AR_READ | AR_EXECUTE; |
entryi.ppn = 0; |
entryi.ps = PAGE_WIDTH; |
for (i = 0; i < 100; i++) { |
itc_mapping_insert(0 + i * (1 << PAGE_WIDTH), 8, entryi); |
dtc_mapping_insert(0 + i * (1 << PAGE_WIDTH), 9, entryd); |
} |
tlb_invalidate_pages(8, 0x0c000, 14); |
/* tlb_invalidate_all(); */ |
return NULL; |
} |
/branches/arm/kernel/test/mm/slab2.c |
---|
0,0 → 1,243 |
/* |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <test.h> |
#include <mm/slab.h> |
#include <print.h> |
#include <proc/thread.h> |
#include <arch.h> |
#include <mm/frame.h> |
#include <memstr.h> |
#include <synch/condvar.h> |
#include <synch/mutex.h> |
#define ITEM_SIZE 256 |
/** Fill memory with 2 caches, when allocation fails, |
* free one of the caches. We should have everything in magazines, |
* now allocation should clean magazines and allow for full allocation. |
*/ |
static void totalmemtest(void) |
{ |
slab_cache_t *cache1; |
slab_cache_t *cache2; |
int i; |
void *data1, *data2; |
void *olddata1 = NULL, *olddata2 = NULL; |
cache1 = slab_cache_create("cache1_tst", ITEM_SIZE, 0, NULL, NULL, 0); |
cache2 = slab_cache_create("cache2_tst", ITEM_SIZE, 0, NULL, NULL, 0); |
TPRINTF("Allocating..."); |
/* Use atomic alloc, so that we find end of memory */ |
do { |
data1 = slab_alloc(cache1, FRAME_ATOMIC); |
data2 = slab_alloc(cache2, FRAME_ATOMIC); |
if ((!data1) || (!data2)) { |
if (data1) |
slab_free(cache1, data1); |
if (data2) |
slab_free(cache2, data2); |
break; |
} |
memsetb(data1, ITEM_SIZE, 0); |
memsetb(data2, ITEM_SIZE, 0); |
*((void **) data1) = olddata1; |
*((void **) data2) = olddata2; |
olddata1 = data1; |
olddata2 = data2; |
} while (true); |
TPRINTF("done.\n"); |
TPRINTF("Deallocating cache2..."); |
/* We do not have memory - now deallocate cache2 */ |
while (olddata2) { |
data2 = *((void **) olddata2); |
slab_free(cache2, olddata2); |
olddata2 = data2; |
} |
TPRINTF("done.\n"); |
TPRINTF("Allocating to cache1...\n"); |
for (i = 0; i < 30; i++) { |
data1 = slab_alloc(cache1, FRAME_ATOMIC); |
if (!data1) { |
TPRINTF("Incorrect memory size - use another test."); |
return; |
} |
memsetb(data1, ITEM_SIZE, 0); |
*((void **) data1) = olddata1; |
olddata1 = data1; |
} |
while (true) { |
data1 = slab_alloc(cache1, FRAME_ATOMIC); |
if (!data1) |
break; |
memsetb(data1, ITEM_SIZE, 0); |
*((void **) data1) = olddata1; |
olddata1 = data1; |
} |
TPRINTF("Deallocating cache1..."); |
while (olddata1) { |
data1 = *((void **) olddata1); |
slab_free(cache1, olddata1); |
olddata1 = data1; |
} |
TPRINTF("done.\n"); |
if (!test_quiet) |
slab_print_list(); |
slab_cache_destroy(cache1); |
slab_cache_destroy(cache2); |
} |
static slab_cache_t *thr_cache; |
static semaphore_t thr_sem; |
static condvar_t thread_starter; |
static mutex_t starter_mutex; |
#define THREADS 8 |
static void slabtest(void *priv) |
{ |
void *data = NULL, *new; |
thread_detach(THREAD); |
mutex_lock(&starter_mutex); |
condvar_wait(&thread_starter,&starter_mutex); |
mutex_unlock(&starter_mutex); |
TPRINTF("Starting thread #%" PRIu64 "...\n", THREAD->tid); |
/* Alloc all */ |
TPRINTF("Thread #%" PRIu64 " allocating...\n", THREAD->tid); |
while (true) { |
/* Call with atomic to detect end of memory */ |
new = slab_alloc(thr_cache, FRAME_ATOMIC); |
if (!new) |
break; |
*((void **) new) = data; |
data = new; |
} |
TPRINTF("Thread #%" PRIu64 " releasing...\n", THREAD->tid); |
while (data) { |
new = *((void **)data); |
*((void **) data) = NULL; |
slab_free(thr_cache, data); |
data = new; |
} |
TPRINTF("Thread #%" PRIu64 " allocating...\n", THREAD->tid); |
while (true) { |
/* Call with atomic to detect end of memory */ |
new = slab_alloc(thr_cache, FRAME_ATOMIC); |
if (!new) |
break; |
*((void **) new) = data; |
data = new; |
} |
TPRINTF("Thread #%" PRIu64 " releasing...\n", THREAD->tid); |
while (data) { |
new = *((void **)data); |
*((void **) data) = NULL; |
slab_free(thr_cache, data); |
data = new; |
} |
TPRINTF("Thread #%" PRIu64 " finished\n", THREAD->tid); |
if (!test_quiet) |
slab_print_list(); |
semaphore_up(&thr_sem); |
} |
static void multitest(int size) |
{ |
/* Start 8 threads that just allocate as much as possible, |
* then release everything, then again allocate, then release |
*/ |
thread_t *t; |
int i; |
TPRINTF("Running stress test with size %d\n", size); |
condvar_initialize(&thread_starter); |
mutex_initialize(&starter_mutex, MUTEX_PASSIVE); |
thr_cache = slab_cache_create("thread_cache", size, 0, NULL, NULL, 0); |
semaphore_initialize(&thr_sem,0); |
for (i = 0; i < THREADS; i++) { |
if (!(t = thread_create(slabtest, NULL, TASK, 0, "slabtest", false))) { |
TPRINTF("Could not create thread %d\n", i); |
} else |
thread_ready(t); |
} |
thread_sleep(1); |
condvar_broadcast(&thread_starter); |
for (i = 0; i < THREADS; i++) |
semaphore_down(&thr_sem); |
slab_cache_destroy(thr_cache); |
TPRINTF("Stress test complete.\n"); |
} |
char *test_slab2(void) |
{ |
TPRINTF("Running reclaim single-thread test .. pass 1\n"); |
totalmemtest(); |
TPRINTF("Running reclaim single-thread test .. pass 2\n"); |
totalmemtest(); |
TPRINTF("Reclaim test OK.\n"); |
multitest(128); |
multitest(2048); |
multitest(8192); |
return NULL; |
} |
/branches/arm/kernel/test/mm/falloc1.c |
---|
0,0 → 1,98 |
/* |
* Copyright (c) 2006 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <print.h> |
#include <test.h> |
#include <mm/page.h> |
#include <mm/frame.h> |
#include <mm/slab.h> |
#include <arch/mm/page.h> |
#include <arch/types.h> |
#include <debug.h> |
#include <align.h> |
#define MAX_FRAMES 1024 |
#define MAX_ORDER 8 |
#define TEST_RUNS 2 |
char *test_falloc1(void) { |
uintptr_t *frames |
= (uintptr_t *) malloc(MAX_FRAMES * sizeof(uintptr_t), 0); |
int results[MAX_ORDER + 1]; |
int i, order, run; |
int allocated; |
if (TEST_RUNS < 2) |
return "Test is compiled with TEST_RUNS < 2"; |
if (frames == NULL) |
return "Unable to allocate frames"; |
for (run = 0; run < TEST_RUNS; run++) { |
for (order = 0; order <= MAX_ORDER; order++) { |
TPRINTF("Allocating %d frames blocks ... ", 1 << order); |
allocated = 0; |
for (i = 0; i < MAX_FRAMES >> order; i++) { |
frames[allocated] = (uintptr_t) frame_alloc(order, FRAME_ATOMIC | FRAME_KA); |
if (ALIGN_UP(frames[allocated], FRAME_SIZE << order) != frames[allocated]) { |
TPRINTF("Block at address %p (size %dK) is not aligned\n", frames[allocated], (FRAME_SIZE << order) >> 10); |
return "Test failed"; |
} |
if (frames[allocated]) |
allocated++; |
else { |
TPRINTF("done. "); |
break; |
} |
} |
TPRINTF("%d blocks allocated.\n", allocated); |
if (run) { |
if (results[order] != allocated) |
return "Possible frame leak"; |
} else |
results[order] = allocated; |
TPRINTF("Deallocating ... "); |
for (i = 0; i < allocated; i++) |
frame_free(KA2PA(frames[i])); |
TPRINTF("done.\n"); |
} |
} |
free(frames); |
return NULL; |
} |
/branches/arm/kernel/test/mm/slab1.c |
---|
0,0 → 1,178 |
/* |
* Copyright (c) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <test.h> |
#include <mm/slab.h> |
#include <print.h> |
#include <proc/thread.h> |
#include <arch.h> |
#include <memstr.h> |
#define VAL_COUNT 1024 |
static void *data[VAL_COUNT]; |
static void testit(int size, int count) |
{ |
slab_cache_t *cache; |
int i; |
TPRINTF("Creating cache, object size: %d.\n", size); |
cache = slab_cache_create("test_cache", size, 0, NULL, NULL, |
SLAB_CACHE_NOMAGAZINE); |
TPRINTF("Allocating %d items...", count); |
for (i = 0; i < count; i++) { |
data[i] = slab_alloc(cache, 0); |
memsetb(data[i], size, 0); |
} |
TPRINTF("done.\n"); |
TPRINTF("Freeing %d items...", count); |
for (i = 0; i < count; i++) |
slab_free(cache, data[i]); |
TPRINTF("done.\n"); |
TPRINTF("Allocating %d items...", count); |
for (i = 0; i < count; i++) { |
data[i] = slab_alloc(cache, 0); |
memsetb(data[i], size, 0); |
} |
TPRINTF("done.\n"); |
TPRINTF("Freeing %d items...", count / 2); |
for (i = count - 1; i >= count / 2; i--) |
slab_free(cache, data[i]); |
TPRINTF("done.\n"); |
TPRINTF("Allocating %d items...", count / 2); |
for (i = count / 2; i < count; i++) { |
data[i] = slab_alloc(cache, 0); |
memsetb(data[i], size, 0); |
} |
TPRINTF("done.\n"); |
TPRINTF("Freeing %d items...", count); |
for (i = 0; i < count; i++) |
slab_free(cache, data[i]); |
TPRINTF("done.\n"); |
slab_cache_destroy(cache); |
TPRINTF("Test complete.\n"); |
} |
static void testsimple(void) |
{ |
testit(100, VAL_COUNT); |
testit(200, VAL_COUNT); |
testit(1024, VAL_COUNT); |
testit(2048, 512); |
testit(4000, 128); |
testit(8192, 128); |
testit(16384, 128); |
testit(16385, 128); |
} |
#define THREADS 6 |
#define THR_MEM_COUNT 1024 |
#define THR_MEM_SIZE 128 |
static void *thr_data[THREADS][THR_MEM_COUNT]; |
static slab_cache_t *thr_cache; |
static semaphore_t thr_sem; |
static void slabtest(void *data) |
{ |
int offs = (int) (unative_t) data; |
int i, j; |
thread_detach(THREAD); |
TPRINTF("Starting thread #%" PRIu64 "...\n", THREAD->tid); |
for (j = 0; j < 10; j++) { |
for (i = 0; i < THR_MEM_COUNT; i++) |
thr_data[offs][i] = slab_alloc(thr_cache,0); |
for (i = 0; i < THR_MEM_COUNT / 2; i++) |
slab_free(thr_cache, thr_data[offs][i]); |
for (i = 0; i < THR_MEM_COUNT / 2; i++) |
thr_data[offs][i] = slab_alloc(thr_cache, 0); |
for (i = 0; i < THR_MEM_COUNT; i++) |
slab_free(thr_cache, thr_data[offs][i]); |
} |
TPRINTF("Thread #%" PRIu64 " finished\n", THREAD->tid); |
semaphore_up(&thr_sem); |
} |
static void testthreads(void) |
{ |
thread_t *t; |
int i; |
thr_cache = slab_cache_create("thread_cache", THR_MEM_SIZE, 0, NULL, NULL, |
SLAB_CACHE_NOMAGAZINE); |
semaphore_initialize(&thr_sem, 0); |
for (i = 0; i < THREADS; i++) { |
if (!(t = thread_create(slabtest, (void *) (unative_t) i, TASK, 0, "slabtest", false))) { |
TPRINTF("Could not create thread %d\n", i); |
} else |
thread_ready(t); |
} |
for (i = 0; i < THREADS; i++) |
semaphore_down(&thr_sem); |
slab_cache_destroy(thr_cache); |
TPRINTF("Test complete.\n"); |
} |
char *test_slab1(void) |
{ |
testsimple(); |
testthreads(); |
return NULL; |
} |
/branches/arm/kernel/test/mm/purge1_skip.c |
---|
0,0 → 1,34 |
/* |
* Copyright (c) 2009 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <test.h> |
char *test_purge1(void) |
{ |
return NULL; |
} |
/branches/arm/kernel/test/mm/mapping1.c |
---|
0,0 → 1,92 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <print.h> |
#include <test.h> |
#include <mm/page.h> |
#include <mm/frame.h> |
#include <mm/as.h> |
#include <arch/mm/page.h> |
#include <arch/types.h> |
#include <debug.h> |
#define PAGE0 0x10000000 |
#define PAGE1 (PAGE0 + PAGE_SIZE) |
#define VALUE0 0x01234567 |
#define VALUE1 0x89abcdef |
char *test_mapping1(void) |
{ |
uintptr_t frame0, frame1; |
uint32_t v0, v1; |
frame0 = (uintptr_t) frame_alloc(ONE_FRAME, FRAME_KA); |
frame1 = (uintptr_t) frame_alloc(ONE_FRAME, FRAME_KA); |
TPRINTF("Writing %#x to physical address %p.\n", VALUE0, KA2PA(frame0)); |
*((uint32_t *) frame0) = VALUE0; |
TPRINTF("Writing %#x to physical address %p.\n", VALUE1, KA2PA(frame1)); |
*((uint32_t *) frame1) = VALUE1; |
TPRINTF("Mapping virtual address %p to physical address %p.\n", PAGE0, KA2PA(frame0)); |
page_mapping_insert(AS_KERNEL, PAGE0, KA2PA(frame0), PAGE_PRESENT | PAGE_WRITE); |
TPRINTF("Mapping virtual address %p to physical address %p.\n", PAGE1, KA2PA(frame1)); |
page_mapping_insert(AS_KERNEL, PAGE1, KA2PA(frame1), PAGE_PRESENT | PAGE_WRITE); |
v0 = *((uint32_t *) PAGE0); |
v1 = *((uint32_t *) PAGE1); |
TPRINTF("Value at virtual address %p is %#x.\n", PAGE0, v0); |
TPRINTF("Value at virtual address %p is %#x.\n", PAGE1, v1); |
if (v0 != VALUE0) |
return "Value at v0 not equal to VALUE0"; |
if (v1 != VALUE1) |
return "Value at v1 not equal to VALUE1"; |
TPRINTF("Writing %#x to virtual address %p.\n", 0, PAGE0); |
*((uint32_t *) PAGE0) = 0; |
TPRINTF("Writing %#x to virtual address %p.\n", 0, PAGE1); |
*((uint32_t *) PAGE1) = 0; |
v0 = *((uint32_t *) PAGE0); |
v1 = *((uint32_t *) PAGE1); |
TPRINTF("Value at virtual address %p is %#x.\n", PAGE0, *((uint32_t *) PAGE0)); |
TPRINTF("Value at virtual address %p is %#x.\n", PAGE1, *((uint32_t *) PAGE1)); |
if (v0 != 0) |
return "Value at v0 not equal to 0"; |
if (v1 != 0) |
return "Value at v1 not equal to 0"; |
return NULL; |
} |
/branches/arm/kernel/test/mm/purge1.def |
---|
0,0 → 1,6 |
{ |
"purge1", |
"Itanium TLB purge test", |
&test_purge1, |
true |
}, |
/branches/arm/kernel/test/mm/falloc2.def |
---|
0,0 → 1,6 |
{ |
"falloc2", |
"Frame allocator test 2", |
&test_falloc2, |
true |
}, |
/branches/arm/kernel/test/mm/slab1.def |
---|
0,0 → 1,6 |
{ |
"slab1", |
"SLAB test 1", |
&test_slab1, |
true |
}, |
/branches/arm/kernel/test/mm/slab2.def |
---|
0,0 → 1,6 |
{ |
"slab2", |
"SLAB test 2", |
&test_slab2, |
true |
}, |
/branches/arm/kernel/test/mm/mapping1.def |
---|
0,0 → 1,6 |
{ |
"mapping1", |
"Mapping test", |
&test_mapping1, |
false |
}, |
/branches/arm/kernel/test/mm/falloc1.def |
---|
0,0 → 1,6 |
{ |
"falloc1", |
"Frame allocator test 1", |
&test_falloc1, |
true |
}, |
/branches/arm/kernel/test/test.c |
---|
0,0 → 1,74 |
/* |
* Copyright (c) 2006 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup test |
* @{ |
*/ |
/** @file |
*/ |
#include <test.h> |
bool test_quiet; |
test_t tests[] = { |
#include <atomic/atomic1.def> |
#include <avltree/avltree1.def> |
#include <btree/btree1.def> |
#include <debug/mips1.def> |
#include <fault/fault1.def> |
#include <fpu/fpu1.def> |
#include <fpu/sse1.def> |
#include <fpu/mips2.def> |
#include <mm/falloc1.def> |
#include <mm/falloc2.def> |
#include <mm/mapping1.def> |
#include <mm/slab1.def> |
#include <mm/slab2.def> |
#include <synch/rwlock1.def> |
#include <synch/rwlock2.def> |
#include <synch/rwlock3.def> |
#include <synch/rwlock4.def> |
#include <synch/rwlock5.def> |
#include <synch/semaphore1.def> |
#include <synch/semaphore2.def> |
#include <print/print1.def> |
#include <print/print2.def> |
#include <print/print3.def> |
#include <print/print4.def> |
#include <thread/thread1.def> |
#include <sysinfo/sysinfo1.def> |
{ |
.name = NULL, |
.desc = NULL, |
.entry = NULL |
} |
}; |
/** @} |
*/ |
/branches/arm/kernel/test/btree/btree1.c |
---|
0,0 → 1,163 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <test.h> |
#include <print.h> |
#include <adt/btree.h> |
#include <debug.h> |
static void *data = (void *) 0xdeadbeef; |
char *test_btree1(void) |
{ |
btree_t t; |
int i; |
btree_create(&t); |
TPRINTF("Inserting keys.\n"); |
btree_insert(&t, 19, data, NULL); |
btree_insert(&t, 20, data, NULL); |
btree_insert(&t, 21, data, NULL); |
btree_insert(&t, 0, data, NULL); |
btree_insert(&t, 25, data, NULL); |
btree_insert(&t, 22, data, NULL); |
btree_insert(&t, 26, data, NULL); |
btree_insert(&t, 23, data, NULL); |
btree_insert(&t, 24, data, NULL); |
btree_insert(&t, 5, data, NULL); |
btree_insert(&t, 1, data, NULL); |
btree_insert(&t, 4, data, NULL); |
btree_insert(&t, 28, data, NULL); |
btree_insert(&t, 29, data, NULL); |
btree_insert(&t, 7, data, NULL); |
btree_insert(&t, 8, data, NULL); |
btree_insert(&t, 9, data, NULL); |
btree_insert(&t, 17, data, NULL); |
btree_insert(&t, 18, data, NULL); |
btree_insert(&t, 2, data, NULL); |
btree_insert(&t, 3, data, NULL); |
btree_insert(&t, 6, data, NULL); |
btree_insert(&t, 10, data, NULL); |
btree_insert(&t, 11, data, NULL); |
btree_insert(&t, 12, data, NULL); |
btree_insert(&t, 13, data, NULL); |
btree_insert(&t, 14, data, NULL); |
btree_insert(&t, 15, data, NULL); |
btree_insert(&t, 16, data, NULL); |
btree_insert(&t, 27, data, NULL); |
for (i = 30; i < 50; i++) |
btree_insert(&t, i, data, NULL); |
for (i = 100; i >= 50; i--) |
btree_insert(&t, i, data, NULL); |
if (!test_quiet) |
btree_print(&t); |
TPRINTF("Removing keys.\n"); |
btree_remove(&t, 50, NULL); |
btree_remove(&t, 49, NULL); |
btree_remove(&t, 51, NULL); |
btree_remove(&t, 46, NULL); |
btree_remove(&t, 45, NULL); |
btree_remove(&t, 48, NULL); |
btree_remove(&t, 53, NULL); |
btree_remove(&t, 47, NULL); |
btree_remove(&t, 52, NULL); |
btree_remove(&t, 54, NULL); |
btree_remove(&t, 65, NULL); |
btree_remove(&t, 60, NULL); |
btree_remove(&t, 99, NULL); |
btree_remove(&t, 97, NULL); |
btree_remove(&t, 57, NULL); |
btree_remove(&t, 58, NULL); |
btree_remove(&t, 61, NULL); |
btree_remove(&t, 64, NULL); |
btree_remove(&t, 56, NULL); |
btree_remove(&t, 41, NULL); |
for (i = 5; i < 20; i++) |
btree_remove(&t, i, NULL); |
btree_remove(&t, 2, NULL); |
btree_remove(&t, 43, NULL); |
btree_remove(&t, 22, NULL); |
btree_remove(&t, 100, NULL); |
btree_remove(&t, 98, NULL); |
btree_remove(&t, 96, NULL); |
btree_remove(&t, 66, NULL); |
btree_remove(&t, 1, NULL); |
for (i = 70; i < 90; i++) |
btree_remove(&t, i, NULL); |
btree_remove(&t, 20, NULL); |
btree_remove(&t, 0, NULL); |
btree_remove(&t, 40, NULL); |
btree_remove(&t, 3, NULL); |
btree_remove(&t, 4, NULL); |
btree_remove(&t, 21, NULL); |
btree_remove(&t, 44, NULL); |
btree_remove(&t, 55, NULL); |
btree_remove(&t, 62, NULL); |
btree_remove(&t, 26, NULL); |
btree_remove(&t, 27, NULL); |
btree_remove(&t, 28, NULL); |
btree_remove(&t, 29, NULL); |
btree_remove(&t, 30, NULL); |
btree_remove(&t, 31, NULL); |
btree_remove(&t, 32, NULL); |
btree_remove(&t, 33, NULL); |
btree_remove(&t, 93, NULL); |
btree_remove(&t, 95, NULL); |
btree_remove(&t, 94, NULL); |
btree_remove(&t, 69, NULL); |
btree_remove(&t, 68, NULL); |
btree_remove(&t, 92, NULL); |
btree_remove(&t, 91, NULL); |
btree_remove(&t, 67, NULL); |
btree_remove(&t, 63, NULL); |
btree_remove(&t, 90, NULL); |
btree_remove(&t, 59, NULL); |
btree_remove(&t, 23, NULL); |
btree_remove(&t, 24, NULL); |
btree_remove(&t, 25, NULL); |
btree_remove(&t, 37, NULL); |
btree_remove(&t, 38, NULL); |
btree_remove(&t, 42, NULL); |
btree_remove(&t, 39, NULL); |
btree_remove(&t, 34, NULL); |
btree_remove(&t, 35, NULL); |
btree_remove(&t, 36, NULL); |
if (!test_quiet) |
btree_print(&t); |
return NULL; |
} |
/branches/arm/kernel/test/btree/btree1.def |
---|
0,0 → 1,6 |
{ |
"btree1", |
"Test B-tree operations", |
&test_btree1, |
true |
}, |
/branches/arm/kernel/test/test.h |
---|
0,0 → 1,92 |
/* |
* Copyright (c) 2006 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup test |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_TEST_H_ |
#define KERN_TEST_H_ |
#include <arch/types.h> |
#include <typedefs.h> |
extern bool test_quiet; |
#define TPRINTF(format, ...) \ |
{ \ |
if (!test_quiet) { \ |
printf(format, ##__VA_ARGS__); \ |
} \ |
} |
typedef char *(*test_entry_t)(void); |
typedef struct { |
char *name; |
char *desc; |
test_entry_t entry; |
bool safe; |
} test_t; |
extern char *test_atomic1(void); |
extern char *test_avltree1(void); |
extern char *test_btree1(void); |
extern char *test_mips1(void); |
extern char *test_fault1(void); |
extern char *test_fpu1(void); |
extern char *test_sse1(void); |
extern char *test_mips2(void); |
extern char *test_falloc1(void); |
extern char *test_falloc2(void); |
extern char *test_mapping1(void); |
extern char *test_purge1(void); |
extern char *test_slab1(void); |
extern char *test_slab2(void); |
extern char *test_rwlock1(void); |
extern char *test_rwlock2(void); |
extern char *test_rwlock3(void); |
extern char *test_rwlock4(void); |
extern char *test_rwlock5(void); |
extern char *test_semaphore1(void); |
extern char *test_semaphore2(void); |
extern char *test_print1(void); |
extern char *test_print2(void); |
extern char *test_print3(void); |
extern char *test_print4(void); |
extern char *test_thread1(void); |
extern char *test_sysinfo1(void); |
extern test_t tests[]; |
#endif |
/** @} |
*/ |
/branches/arm/kernel/test/debug/mips1_skip.c |
---|
0,0 → 1,34 |
/* |
* Copyright (c) 2009 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <test.h> |
char *test_mips1(void) |
{ |
return NULL; |
} |
/branches/arm/kernel/test/debug/mips1.c |
---|
0,0 → 1,48 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <print.h> |
#include <debug.h> |
#include <test.h> |
#include <atomic.h> |
#include <proc/thread.h> |
#include <time/delay.h> |
#include <arch.h> |
char *test_mips1(void) |
{ |
TPRINTF("If kconsole is compiled in, you should enter debug mode now.\n"); |
asm volatile ( |
"break\n" |
); |
return "Back from debug mode"; |
} |
/branches/arm/kernel/test/debug/mips1.def |
---|
0,0 → 1,6 |
{ |
"mips1", |
"MIPS debug test", |
&test_mips1, |
false |
}, |
/branches/arm/kernel/test/thread/thread1.c |
---|
0,0 → 1,82 |
/* |
* Copyright (c) 2005 Jakub Vana |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <print.h> |
#include <debug.h> |
#include <test.h> |
#include <atomic.h> |
#include <proc/thread.h> |
#include <arch.h> |
#define THREADS 5 |
static atomic_t finish; |
static atomic_t threads_finished; |
static void threadtest(void *data) |
{ |
thread_detach(THREAD); |
while (atomic_get(&finish)) { |
TPRINTF("%" PRIu64 " ", THREAD->tid); |
thread_usleep(100000); |
} |
atomic_inc(&threads_finished); |
} |
char *test_thread1(void) |
{ |
unsigned int i, total = 0; |
atomic_set(&finish, 1); |
atomic_set(&threads_finished, 0); |
for (i = 0; i < THREADS; i++) { |
thread_t *t; |
if (!(t = thread_create(threadtest, NULL, TASK, 0, "threadtest", false))) { |
TPRINTF("Could not create thread %d\n", i); |
break; |
} |
thread_ready(t); |
total++; |
} |
TPRINTF("Running threads for 10 seconds...\n"); |
thread_sleep(10); |
atomic_set(&finish, 0); |
while (atomic_get(&threads_finished) < ((long) total)) { |
TPRINTF("Threads left: %d\n", total - atomic_get(&threads_finished)); |
thread_sleep(1); |
} |
return NULL; |
} |
/branches/arm/kernel/test/thread/thread1.def |
---|
0,0 → 1,6 |
{ |
"thread1", |
"Thread test", |
&test_thread1, |
true |
}, |
/branches/arm/kernel/test/fpu/fpu1_ia64.c |
---|
0,0 → 1,170 |
/* |
* Copyright (c) 2005 Jakub Vana |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <print.h> |
#include <debug.h> |
#include <test.h> |
#include <atomic.h> |
#include <proc/thread.h> |
#include <arch.h> |
#include <arch/arch.h> |
#define THREADS 150 |
#define ATTEMPTS 100 |
#define E_10e8 271828182 |
#define PI_10e8 3141592 |
static inline long double sqrt(long double a) |
{ |
long double x = 1; |
long double lx = 0; |
if (a < 0.00000000000000001) |
return 0; |
while (x != lx) { |
lx = x; |
x = (x + (a / x)) / 2; |
} |
return x; |
} |
static atomic_t threads_ok; |
static atomic_t threads_fault; |
static waitq_t can_start; |
static void e(void *data) |
{ |
int i; |
double e, d, le, f; |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
for (i = 0; i<ATTEMPTS; i++) { |
le = -1; |
e = 0; |
f = 1; |
for (d = 1; e != le; d *= f, f += 1) { |
le = e; |
e = e + 1 / d; |
} |
if ((int) (100000000 * e) != E_10e8) { |
TPRINTF("tid%" PRIu64 ": e*10e8=%zd should be %" PRIun "\n", THREAD->tid, (unative_t) (100000000 * e), (unative_t) E_10e8); |
atomic_inc(&threads_fault); |
break; |
} |
} |
atomic_inc(&threads_ok); |
} |
static void pi(void *data) |
{ |
int i; |
double lpi, pi; |
double n, ab, ad; |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
for (i = 0; i < ATTEMPTS; i++) { |
lpi = -1; |
pi = 0; |
for (n = 2, ab = sqrt(2); lpi != pi; n *= 2, ab = ad) { |
double sc, cd; |
sc = sqrt(1 - (ab * ab / 4)); |
cd = 1 - sc; |
ad = sqrt(ab * ab / 4 + cd * cd); |
lpi = pi; |
pi = 2 * n * ad; |
} |
if ((int) (1000000 * pi) != PI_10e8) { |
TPRINTF("tid%" PRIu64 ": pi*10e8=%zd should be %" PRIun "\n", THREAD->tid, (unative_t) (1000000 * pi), (unative_t) (PI_10e8 / 100)); |
atomic_inc(&threads_fault); |
break; |
} |
} |
atomic_inc(&threads_ok); |
} |
char *test_fpu1(void) |
{ |
unsigned int i, total = 0; |
waitq_initialize(&can_start); |
atomic_set(&threads_ok, 0); |
atomic_set(&threads_fault, 0); |
TPRINTF("Creating %u threads... ", 2 * THREADS); |
for (i = 0; i < THREADS; i++) { |
thread_t *t; |
if (!(t = thread_create(e, NULL, TASK, 0, "e", false))) { |
TPRINTF("could not create thread %u\n", 2 * i); |
break; |
} |
thread_ready(t); |
total++; |
if (!(t = thread_create(pi, NULL, TASK, 0, "pi", false))) { |
TPRINTF("could not create thread %u\n", 2 * i + 1); |
break; |
} |
thread_ready(t); |
total++; |
} |
TPRINTF("ok\n"); |
thread_sleep(1); |
waitq_wakeup(&can_start, WAKEUP_ALL); |
while (atomic_get(&threads_ok) != (long) total) { |
TPRINTF("Threads left: %d\n", total - atomic_get(&threads_ok)); |
thread_sleep(1); |
} |
if (atomic_get(&threads_fault) == 0) |
return NULL; |
return "Test failed"; |
} |
/branches/arm/kernel/test/fpu/fpu1_x86.c |
---|
0,0 → 1,167 |
/* |
* Copyright (c) 2005 Jakub Vana |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <print.h> |
#include <debug.h> |
#include <test.h> |
#include <atomic.h> |
#include <proc/thread.h> |
#include <arch.h> |
#include <arch/arch.h> |
#define THREADS 150 |
#define ATTEMPTS 100 |
#define E_10e8 271828182 |
#define PI_10e8 314159265 |
static inline double sqrt(double x) |
{ |
double v; |
asm ( |
"fsqrt\n" |
: "=t" (v) |
: "0" (x) |
); |
return v; |
} |
static atomic_t threads_ok; |
static atomic_t threads_fault; |
static waitq_t can_start; |
static void e(void *data) |
{ |
int i; |
double e, d, le, f; |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
for (i = 0; i<ATTEMPTS; i++) { |
le = -1; |
e = 0; |
f = 1; |
for (d = 1; e != le; d *= f, f += 1) { |
le = e; |
e = e + 1 / d; |
} |
if ((int) (100000000 * e) != E_10e8) { |
TPRINTF("tid%" PRIu64 ": e*10e8=%zd should be %" PRIun "\n", THREAD->tid, (unative_t) (100000000 * e), (unative_t) E_10e8); |
atomic_inc(&threads_fault); |
break; |
} |
} |
atomic_inc(&threads_ok); |
} |
static void pi(void *data) |
{ |
int i; |
double lpi, pi; |
double n, ab, ad; |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
for (i = 0; i < ATTEMPTS; i++) { |
lpi = -1; |
pi = 0; |
for (n = 2, ab = sqrt(2); lpi != pi; n *= 2, ab = ad) { |
double sc, cd; |
sc = sqrt(1 - (ab * ab / 4)); |
cd = 1 - sc; |
ad = sqrt(ab * ab / 4 + cd * cd); |
lpi = pi; |
pi = 2 * n * ad; |
} |
if ((int) (100000000 * pi) != PI_10e8) { |
TPRINTF("tid%" PRIu64 ": pi*10e8=%zd should be %" PRIun "\n", THREAD->tid, (unative_t) (100000000 * pi), (unative_t) PI_10e8); |
atomic_inc(&threads_fault); |
break; |
} |
} |
atomic_inc(&threads_ok); |
} |
char *test_fpu1(void) |
{ |
unsigned int i, total = 0; |
waitq_initialize(&can_start); |
atomic_set(&threads_ok, 0); |
atomic_set(&threads_fault, 0); |
TPRINTF("Creating %u threads... ", 2 * THREADS); |
for (i = 0; i < THREADS; i++) { |
thread_t *t; |
if (!(t = thread_create(e, NULL, TASK, 0, "e", false))) { |
TPRINTF("could not create thread %u\n", 2 * i); |
break; |
} |
thread_ready(t); |
total++; |
if (!(t = thread_create(pi, NULL, TASK, 0, "pi", false))) { |
TPRINTF("could not create thread %u\n", 2 * i + 1); |
break; |
} |
thread_ready(t); |
total++; |
} |
TPRINTF("ok\n"); |
thread_sleep(1); |
waitq_wakeup(&can_start, WAKEUP_ALL); |
while (atomic_get(&threads_ok) != (long) total) { |
TPRINTF("Threads left: %d\n", total - atomic_get(&threads_ok)); |
thread_sleep(1); |
} |
if (atomic_get(&threads_fault) == 0) |
return NULL; |
return "Test failed"; |
} |
/branches/arm/kernel/test/fpu/mips2_skip.c |
---|
0,0 → 1,34 |
/* |
* Copyright (c) 2009 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <test.h> |
char *test_mips2(void) |
{ |
return NULL; |
} |
/branches/arm/kernel/test/fpu/fpu1_skip.c |
---|
0,0 → 1,34 |
/* |
* Copyright (c) 2009 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <test.h> |
char *test_fpu1(void) |
{ |
return NULL; |
} |
/branches/arm/kernel/test/fpu/sse1_skip.c |
---|
0,0 → 1,34 |
/* |
* Copyright (c) 2009 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <test.h> |
char *test_sse1(void) |
{ |
return NULL; |
} |
/branches/arm/kernel/test/fpu/mips2.c |
---|
0,0 → 1,153 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <print.h> |
#include <debug.h> |
#include <test.h> |
#include <atomic.h> |
#include <proc/thread.h> |
#include <time/delay.h> |
#include <arch.h> |
#define THREADS 50 |
#define DELAY 10000L |
#define ATTEMPTS 5 |
static atomic_t threads_ok; |
static atomic_t threads_fault; |
static waitq_t can_start; |
static void testit1(void *data) |
{ |
int i; |
int arg __attribute__((aligned(16))) = (int) ((unative_t) data); |
int after_arg __attribute__((aligned(16))); |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
for (i = 0; i < ATTEMPTS; i++) { |
asm volatile ( |
"mtc1 %0,$1" |
: "=r" (arg) |
); |
delay(DELAY); |
asm volatile ( |
"mfc1 %0, $1" |
: "=r" (after_arg) |
); |
if (arg != after_arg) { |
TPRINTF("General reg tid%" PRIu64 ": arg(%d) != %d\n", THREAD->tid, arg, after_arg); |
atomic_inc(&threads_fault); |
break; |
} |
} |
atomic_inc(&threads_ok); |
} |
static void testit2(void *data) |
{ |
int i; |
int arg __attribute__((aligned(16))) = (int) ((unative_t) data); |
int after_arg __attribute__((aligned(16))); |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
for (i = 0; i < ATTEMPTS; i++) { |
asm volatile ( |
"mtc1 %0,$1" |
: "=r" (arg) |
); |
scheduler(); |
asm volatile ( |
"mfc1 %0,$1" |
: "=r" (after_arg) |
); |
if (arg != after_arg) { |
TPRINTF("General reg tid%" PRIu64 ": arg(%d) != %d\n", THREAD->tid, arg, after_arg); |
atomic_inc(&threads_fault); |
break; |
} |
} |
atomic_inc(&threads_ok); |
} |
char *test_mips2(void) |
{ |
unsigned int i, total = 0; |
waitq_initialize(&can_start); |
atomic_set(&threads_ok, 0); |
atomic_set(&threads_fault, 0); |
TPRINTF("Creating %u threads... ", 2 * THREADS); |
for (i = 0; i < THREADS; i++) { |
thread_t *t; |
if (!(t = thread_create(testit1, (void *) ((unative_t) 2 * i), TASK, 0, "testit1", false))) { |
TPRINTF("could not create thread %u\n", 2 * i); |
break; |
} |
thread_ready(t); |
total++; |
if (!(t = thread_create(testit2, (void *) ((unative_t) 2 * i + 1), TASK, 0, "testit2", false))) { |
TPRINTF("could not create thread %u\n", 2 * i + 1); |
break; |
} |
thread_ready(t); |
total++; |
} |
TPRINTF("ok\n"); |
thread_sleep(1); |
waitq_wakeup(&can_start, WAKEUP_ALL); |
while (atomic_get(&threads_ok) != (long) total) { |
TPRINTF("Threads left: %d\n", total - atomic_get(&threads_ok)); |
thread_sleep(1); |
} |
if (atomic_get(&threads_fault) == 0) |
return NULL; |
return "Test failed"; |
} |
/branches/arm/kernel/test/fpu/sse1.c |
---|
0,0 → 1,151 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <print.h> |
#include <debug.h> |
#include <test.h> |
#include <atomic.h> |
#include <proc/thread.h> |
#include <time/delay.h> |
#include <arch.h> |
#define THREADS 25 |
#define DELAY 10000L |
#define ATTEMPTS 5 |
static atomic_t threads_ok; |
static atomic_t threads_fault; |
static waitq_t can_start; |
static void testit1(void *data) |
{ |
int i; |
int arg __attribute__((aligned(16))) = (int) ((unative_t) data); |
int after_arg __attribute__((aligned(16))); |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
for (i = 0; i < ATTEMPTS; i++) { |
asm volatile ( |
"movlpd %[arg], %%xmm2\n" |
: [arg] "=m" (arg) |
); |
delay(DELAY); |
asm volatile ( |
"movlpd %%xmm2, %[after_arg]\n" |
: [after_arg] "=m" (after_arg) |
); |
if (arg != after_arg) { |
TPRINTF("tid%" PRIu64 ": arg(%d) != %d\n", THREAD->tid, arg, after_arg); |
atomic_inc(&threads_fault); |
break; |
} |
} |
atomic_inc(&threads_ok); |
} |
static void testit2(void *data) |
{ |
int i; |
int arg __attribute__((aligned(16))) = (int) ((unative_t) data); |
int after_arg __attribute__((aligned(16))); |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
for (i = 0; i < ATTEMPTS; i++) { |
asm volatile ( |
"movlpd %[arg], %%xmm2\n" |
: [arg] "=m" (arg) |
); |
scheduler(); |
asm volatile ( |
"movlpd %%xmm2, %[after_arg]\n" |
: [after_arg] "=m" (after_arg) |
); |
if (arg != after_arg) { |
TPRINTF("tid%" PRIu64 ": arg(%d) != %d\n", THREAD->tid, arg, after_arg); |
atomic_inc(&threads_fault); |
break; |
} |
} |
atomic_inc(&threads_ok); |
} |
char *test_sse1(void) |
{ |
unsigned int i, total = 0; |
waitq_initialize(&can_start); |
atomic_set(&threads_ok, 0); |
atomic_set(&threads_fault, 0); |
TPRINTF("Creating %u threads... ", 2 * THREADS); |
for (i = 0; i < THREADS; i++) { |
thread_t *t; |
if (!(t = thread_create(testit1, (void *) ((unative_t) 2 * i), TASK, 0, "testit1", false))) { |
TPRINTF("could not create thread %u\n", 2 * i); |
break; |
} |
thread_ready(t); |
total++; |
if (!(t = thread_create(testit2, (void *) ((unative_t) 2 * i + 1), TASK, 0, "testit2", false))) { |
TPRINTF("could not create thread %u\n", 2 * i + 1); |
break; |
} |
thread_ready(t); |
total++; |
} |
TPRINTF("ok\n"); |
thread_sleep(1); |
waitq_wakeup(&can_start, WAKEUP_ALL); |
while (atomic_get(&threads_ok) != (long) total) { |
TPRINTF("Threads left: %d\n", total - atomic_get(&threads_ok)); |
thread_sleep(1); |
} |
if (atomic_get(&threads_fault) == 0) |
return NULL; |
return "Test failed"; |
} |
/branches/arm/kernel/test/fpu/mips2.def |
---|
0,0 → 1,6 |
{ |
"mips2", |
"MIPS FPU test", |
&test_mips2, |
true |
}, |
/branches/arm/kernel/test/fpu/fpu1.def |
---|
0,0 → 1,6 |
{ |
"fpu1", |
"Intel FPU test", |
&test_fpu1, |
true |
}, |
/branches/arm/kernel/test/fpu/sse1.def |
---|
0,0 → 1,6 |
{ |
"sse1", |
"Intel SEE test", |
&test_sse1, |
true |
}, |
/branches/arm/kernel/test/sysinfo/sysinfo1.c |
---|
0,0 → 1,40 |
/* |
* Copyright (c) 2005 Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <print.h> |
#include <debug.h> |
#include <test.h> |
#include <sysinfo/sysinfo.h> |
char *test_sysinfo1(void) |
{ |
if (!test_quiet) |
sysinfo_dump(NULL, 0); |
return NULL; |
} |
/branches/arm/kernel/test/sysinfo/sysinfo1.def |
---|
0,0 → 1,6 |
{ |
"sysinfo1", |
"Sysinfo test", |
&test_sysinfo1, |
true |
}, |
/branches/arm/kernel/test/fault/fault1.c |
---|
0,0 → 1,44 |
/* |
* Copyright (c) 2005 Jakub Vana |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <print.h> |
#include <debug.h> |
#include <test.h> |
#include <atomic.h> |
#include <proc/thread.h> |
#include <arch.h> |
char *test_fault1(void) |
{ |
((int *)(0))[1] = 0; |
return "Written to NULL"; |
} |
/branches/arm/kernel/test/fault/fault1.def |
---|
0,0 → 1,6 |
{ |
"fault1", |
"Write to NULL (maybe page fault)", |
&test_fault1, |
false |
}, |
/branches/arm/kernel/test/atomic/atomic1.c |
---|
0,0 → 1,63 |
/* |
* Copyright (c) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <test.h> |
#include <print.h> |
#include <atomic.h> |
#include <debug.h> |
char *test_atomic1(void) |
{ |
atomic_t a; |
atomic_set(&a, 10); |
if (atomic_get(&a) != 10) |
return "Failed atomic_set()/atomic_get()"; |
if (atomic_postinc(&a) != 10) |
return "Failed atomic_postinc()"; |
if (atomic_get(&a) != 11) |
return "Failed atomic_get() after atomic_postinc()"; |
if (atomic_postdec(&a) != 11) |
return "Failed atomic_postdec()"; |
if (atomic_get(&a) != 10) |
return "Failed atomic_get() after atomic_postdec()"; |
if (atomic_preinc(&a) != 11) |
return "Failed atomic_preinc()"; |
if (atomic_get(&a) != 11) |
return "Failed atomic_get() after atomic_preinc()"; |
if (atomic_predec(&a) != 10) |
return "Failed atomic_predec()"; |
if (atomic_get(&a) != 10) |
return "Failed atomic_get() after atomic_predec()"; |
return NULL; |
} |
/branches/arm/kernel/test/atomic/atomic1.def |
---|
0,0 → 1,6 |
{ |
"atomic1", |
"Test atomic operations", |
&test_atomic1, |
true |
}, |
/branches/arm/kernel/test/print/print2.c |
---|
0,0 → 1,57 |
/* |
* Copyright (c) 2005 Josef Cejka |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <print.h> |
#include <test.h> |
char *test_print2(void) |
{ |
TPRINTF("Testing printf(\"%%c %%3.2c %%-3.2c %%2.3c %%-2.3c\", 'a', 'b', 'c', 'd', 'e'):\n"); |
TPRINTF("Expected output: [a] [ b] [c ] [ d] [e ]\n"); |
TPRINTF("Real output: [%c] [%3.2c] [%-3.2c] [%2.3c] [%-2.3c]\n\n", 'a', 'b', 'c', 'd', 'e'); |
TPRINTF("Testing printf(\"%%d %%3.2d %%-3.2d %%2.3d %%-2.3d\", 1, 2, 3, 4, 5):\n"); |
TPRINTF("Expected output: [1] [ 02] [03 ] [004] [005]\n"); |
TPRINTF("Real output: [%d] [%3.2d] [%-3.2d] [%2.3d] [%-2.3d]\n\n", 1, 2, 3, 4, 5); |
TPRINTF("Testing printf(\"%%d %%3.2d %%-3.2d %%2.3d %%-2.3d\", -1, -2, -3, -4, -5):\n"); |
TPRINTF("Expected output: [-1] [-02] [-03] [-004] [-005]\n"); |
TPRINTF("Real output: [%d] [%3.2d] [%-3.2d] [%2.3d] [%-2.3d]\n\n", -1, -2, -3, -4, -5); |
TPRINTF("Testing printf(\"%%#x %%5.3#x %%-5.3#x %%3.5#x %%-3.5#x\", 17, 18, 19, 20, 21):\n"); |
TPRINTF("Expected output: [0x11] [0x012] [0x013] [0x00014] [0x00015]\n"); |
TPRINTF("Real output: [%#x] [%#5.3x] [%#-5.3x] [%#3.5x] [%#-3.5x]\n\n", 17, 18, 19, 20, 21); |
unative_t nat = 0x12345678u; |
TPRINTF("Testing printf(\"%%#" PRIx64 " %%#" PRIx32 " %%#" PRIx16 " %%#" PRIx8 " %%#" PRIxn " %%#" PRIx64 " %%s\", 0x1234567887654321ll, 0x12345678, 0x1234, 0x12, nat, 0x1234567887654321ull, \"Lovely string\"):\n"); |
TPRINTF("Expected output: [0x1234567887654321] [0x12345678] [0x1234] [0x12] [0x12345678] [0x1234567887654321] \"Lovely string\"\n"); |
TPRINTF("Real output: [%#" PRIx64 "] [%#" PRIx32 "] [%#" PRIx16 "] [%#" PRIx8 "] [%#" PRIxn "] [%#" PRIx64 "] \"%s\"\n\n", 0x1234567887654321ll, 0x12345678, 0x1234, 0x12, nat, 0x1234567887654321ull, "Lovely string"); |
return NULL; |
} |
/branches/arm/kernel/test/print/print3.c |
---|
0,0 → 1,61 |
/* |
* Copyright (c) 2005 Josef Cejka |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <print.h> |
#include <macros.h> |
#include <test.h> |
#define BUFFER_SIZE 32 |
char *test_print3(void) |
{ |
char buffer[BUFFER_SIZE]; |
int retval; |
TPRINTF("Testing snprintf(buffer, " STRING(BUFFER_SIZE) ", \"Short text without parameters.\"):\n"); |
TPRINTF("Expected result: retval=30 buffer=\"Short text without parameters.\"\n"); |
retval = snprintf(buffer, BUFFER_SIZE, "Short text without parameters."); |
TPRINTF("Real result: retval=%d buffer=\"%s\"\n\n", retval, buffer); |
TPRINTF("Testing snprintf(buffer, " STRING(BUFFER_SIZE) ", \"Very very very long text without parameters.\"):\n"); |
TPRINTF("Expected result: retval=44 buffer=\"Very very very long text withou\"\n"); |
retval = snprintf(buffer, BUFFER_SIZE, "Very very very long text without parameters."); |
TPRINTF("Real result: retval=%d buffer=\"%s\"\n\n", retval, buffer); |
TPRINTF("Testing snprintf(buffer, " STRING(BUFFER_SIZE) ", \"Short %%s.\", \"text\"):\n"); |
TPRINTF("Expected result: retval=11 buffer=\"Short text.\"\n"); |
retval = snprintf(buffer, BUFFER_SIZE, "Short %s.", "text"); |
TPRINTF("Real result: retval=%d buffer=\"%s\"\n\n", retval, buffer); |
TPRINTF("Testing snprintf(buffer, " STRING(BUFFER_SIZE) ", \"Very long %%s. This text's length is more than %%d. We are interested in the result.\", \"text\", " STRING(BUFFER_SIZE) "):\n"); |
TPRINTF("Expected result: retval=84 buffer=\"Very long text. This text's len\"\n"); |
retval = snprintf(buffer, BUFFER_SIZE, "Very long %s. This text's length is more than %d. We are interested in the result.", "text", BUFFER_SIZE); |
TPRINTF("Real result: retval=%d buffer=\"%s\"\n\n", retval, buffer); |
return NULL; |
} |
/branches/arm/kernel/test/print/print4.c |
---|
0,0 → 1,82 |
/* |
* Copyright (c) 2009 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <print.h> |
#include <test.h> |
char *test_print4(void) |
{ |
TPRINTF("ASCII printable characters (32 - 127) using printf(\"%%c\") and printf(\"%%lc\"):\n"); |
uint8_t group; |
for (group = 1; group < 4; group++) { |
TPRINTF("%#" PRIx8 ": ", group << 5); |
uint8_t index; |
for (index = 0; index < 32; index++) |
TPRINTF("%c", (char) ((group << 5) + index)); |
TPRINTF(" "); |
for (index = 0; index < 32; index++) |
TPRINTF("%lc", (wchar_t) ((group << 5) + index)); |
TPRINTF("\n"); |
} |
TPRINTF("\nExtended ASCII characters (128 - 255) using printf(\"%%lc\"):\n"); |
for (group = 4; group < 8; group++) { |
TPRINTF("%#" PRIx8 ": ", group << 5); |
uint8_t index; |
for (index = 0; index < 32; index++) |
TPRINTF("%lc", (wchar_t) ((group << 5) + index)); |
TPRINTF("\n"); |
} |
TPRINTF("\nUTF-8 strings using printf(\"%%s\"):\n"); |
TPRINTF("English: %s\n", "Quick brown fox jumps over the lazy dog"); |
TPRINTF("Czech: %s\n", "Příliš žluťoučký kůň úpěl ďábelské ódy"); |
TPRINTF("Greek: %s\n", "á½® ξεῖν’, ἀγγÎλλειν Λακεδαιμονίοις ὅτι τῇδε"); |
TPRINTF("Hebrew: %s\n", "משוואת ברנולי היא משוואה בהידרודינמיקה"); |
TPRINTF("Arabic: %s\n", "التوزيع الجغرافي للحمل العنقودي"); |
TPRINTF("Russian: %s\n", "Леннон познакомился с художницей-авангардисткой"); |
TPRINTF("Armenian: %s\n", "ÕÕ¯Õ½Õ¥Ö Õ°Ö€Õ¡Õ¿Õ¡Ö€Õ¡Õ¯Õ¾Õ¥Õ¬ ÔµÖ€Õ¸Ö‚Õ½Õ¡Õ²Õ¥Õ´Õ« Õ°Õ¡ÕµÕ¯Õ¡Õ¯Õ¡Õ¶"); |
TPRINTF("\nUTF-32 strings using printf(\"%%ls\"):\n"); |
TPRINTF("English: %ls\n", L"Quick brown fox jumps over the lazy dog"); |
TPRINTF("Czech: %ls\n", L"Příliš žluťoučký kůň úpěl ďábelské ódy"); |
TPRINTF("Greek: %ls\n", L"á½® ξεῖν’, ἀγγÎλλειν Λακεδαιμονίοις ὅτι τῇδε"); |
TPRINTF("Hebrew: %ls\n", L"משוואת ברנולי היא משוואה בהידרודינמיקה"); |
TPRINTF("Arabic: %ls\n", L"التوزيع الجغرافي للحمل العنقودي"); |
TPRINTF("Russian: %ls\n", L"Леннон познакомился с художницей-авангардисткой"); |
TPRINTF("Armenian: %ls\n", L"ÕÕ¯Õ½Õ¥Ö Õ°Ö€Õ¡Õ¿Õ¡Ö€Õ¡Õ¯Õ¾Õ¥Õ¬ ÔµÖ€Õ¸Ö‚Õ½Õ¡Õ²Õ¥Õ´Õ« Õ°Õ¡ÕµÕ¯Õ¡Õ¯Õ¡Õ¶"); |
return NULL; |
} |
/branches/arm/kernel/test/print/print1.c |
---|
0,0 → 1,55 |
/* |
* Copyright (c) 2005 Josef Cejka |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <print.h> |
#include <test.h> |
char *test_print1(void) |
{ |
TPRINTF("Testing printf(\"%%*.*s\", 5, 3, \"text\"):\n"); |
TPRINTF("Expected output: \" tex\"\n"); |
TPRINTF("Real output: \"%*.*s\"\n\n", 5, 3, "text"); |
TPRINTF("Testing printf(\"%%10.8s\", \"very long text\"):\n"); |
TPRINTF("Expected output: \" very lon\"\n"); |
TPRINTF("Real output: \"%10.8s\"\n\n", "very long text"); |
TPRINTF("Testing printf(\"%%8.10s\", \"text\"):\n"); |
TPRINTF("Expected output: \"text\"\n"); |
TPRINTF("Real output: \"%8.10s\"\n\n", "text"); |
TPRINTF("Testing printf(\"%%8.10s\", \"very long text\"):\n"); |
TPRINTF("Expected output: \"very long \"\n"); |
TPRINTF("Real output: \"%8.10s\"\n\n", "very long text"); |
TPRINTF("Testing printf(\"%%s\", NULL):\n"); |
TPRINTF("Expected output: \"(NULL)\"\n"); |
TPRINTF("Real output: \"%s\"\n\n", NULL); |
return NULL; |
} |
/branches/arm/kernel/test/print/print1.def |
---|
0,0 → 1,6 |
{ |
"print1", |
"String printf test", |
&test_print1, |
true |
}, |
/branches/arm/kernel/test/print/print2.def |
---|
0,0 → 1,6 |
{ |
"print2", |
"Numeric printf test", |
&test_print2, |
true |
}, |
/branches/arm/kernel/test/print/print3.def |
---|
0,0 → 1,6 |
{ |
"print3", |
"Buffered printf test", |
&test_print3, |
true |
}, |
/branches/arm/kernel/test/print/print4.def |
---|
0,0 → 1,6 |
{ |
"print4", |
"Unicode test", |
&test_print4, |
true |
}, |
/branches/arm/kernel/tools/amd64/decpt.py |
---|
0,0 → 1,25 |
#!/usr/bin/env python |
""" |
Decode 64-bit address into components |
""" |
import sys |
def main(): |
if len(sys.argv) != 2 or not sys.argv[1].startswith('0x'): |
print "%s 0x..." % sys.argv[0] |
sys.exit(1) |
address = int(sys.argv[1],16) |
offset = address & 0xfff |
ptl3 = (address >> 12) & 0x1ff |
ptl2 = (address >> 21) & 0x1ff |
ptl1 = (address >> 30) & 0x1ff |
ptl0 = (address >> 39) & 0x1ff |
print "Ptl0: %3d" % ptl0 |
print "Ptl1: %3d" % ptl1 |
print "Ptl2: %3d" % ptl2 |
print "Ptl3: %3d" % ptl3 |
print "Offset: 0x%x" % offset |
if __name__ == '__main__': |
main() |
Property changes: |
Added: svn:executable |
+* |
\ No newline at end of property |
/branches/arm/kernel/tools/ia32/decpt.py |
---|
0,0 → 1,21 |
#!/usr/bin/env python |
""" |
Decode 32-bit address into PTE components |
""" |
import sys |
def main(): |
if len(sys.argv) != 2 or not sys.argv[1].startswith('0x'): |
print "%s 0x..." % sys.argv[0] |
sys.exit(1) |
address = int(sys.argv[1],16) |
offset = address & 0xfff |
ptl1 = (address >> 12) & 0x3ff |
ptl0 = (address >> 22) & 0x3ff |
print "Ptl0: %3d" % ptl0 |
print "Ptl1: %3d" % ptl1 |
print "Offset: 0x%x" % offset |
if __name__ == '__main__': |
main() |
Property changes: |
Added: svn:executable |
+* |
\ No newline at end of property |
/branches/arm/kernel/tools/genmap.py |
---|
0,0 → 1,87 |
#!/usr/bin/env python |
import sys |
import struct |
import re |
MAXSTRING=63 |
symtabfmt = "<Q%ds" % (MAXSTRING+1) |
funcline = re.compile(r'([0-9a-f]+)\s+[lg]\s+.\s+\.text\s+([0-9a-f]+)\s+(.*)$') |
bssline = re.compile(r'([0-9a-f]+)\s+[lg]\s+[a-zA-Z]\s+\.bss\s+([0-9a-f]+)\s+(.*)$') |
dataline = re.compile(r'([0-9a-f]+)\s+[lg]\s+[a-zA-Z]\s+\.data\s+([0-9a-f]+)\s+(.*)$') |
fileexp = re.compile(r'([^\s]+):\s+file format') |
def read_obdump(inp): |
funcs = {} |
data = {} |
bss ={} |
fname = '' |
for line in inp: |
line = line.strip() |
res = funcline.match(line) |
if res: |
funcs.setdefault(fname,[]).append((int(res.group(1),16), |
res.group(3))) |
continue |
res = bssline.match(line) |
if res: |
start = int(res.group(1),16) |
end = int(res.group(2),16) |
if end: |
bss.setdefault(fname,[]).append((start,res.group(3))) |
res = dataline.match(line) |
if res: |
start = int(res.group(1),16) |
end = int(res.group(2),16) |
if end: |
data.setdefault(fname,[]).append((start,res.group(3))) |
res = fileexp.match(line) |
if res: |
fname = res.group(1) |
continue |
return { |
'text' : funcs, |
'bss' : bss, |
'data' : data |
} |
startfile = re.compile(r'\.(text|bss|data)\s+(0x[0-9a-f]+)\s+0x[0-9a-f]+\s+(.*)$') |
def generate(kmapf, obmapf, out): |
obdump = read_obdump(obmapf) |
def sorter(x,y): |
return cmp(x[0],y[0]) |
for line in kmapf: |
line = line.strip() |
res = startfile.match(line) |
if res and obdump[res.group(1)].has_key(res.group(3)): |
offset = int(res.group(2),16) |
fname = res.group(3) |
symbols = obdump[res.group(1)][fname] |
symbols.sort(sorter) |
for addr,symbol in symbols: |
value = fname + ':' + symbol |
data = struct.pack(symtabfmt,addr+offset,value[:MAXSTRING]) |
out.write(data) |
out.write(struct.pack(symtabfmt,0,'')) |
def main(): |
if len(sys.argv) != 4: |
print "Usage: %s <kernel.map> <nm dump> <output.bin>" % sys.argv[0] |
sys.exit(1) |
kmapf = open(sys.argv[1],'r') |
obmapf = open(sys.argv[2],'r') |
out = open(sys.argv[3],'w') |
generate(kmapf,obmapf,out) |
kmapf.close() |
obmapf.close() |
out.close() |
if __name__ == '__main__': |
main() |
Property changes: |
Added: svn:executable |
+* |
\ No newline at end of property |