0,0 → 1,283 |
/* |
* 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 <panic.h> |
#include <print.h> |
#include <console/console.h> |
#include <arch/types.h> |
#include <arch/asm.h> |
#include <arch/barrier.h> |
#include <arch/register.h> |
#include <arch/drivers/it.h> |
#include <arch.h> |
#include <symtab.h> |
#include <debug.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 <interrupt.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(__u16 vector); |
static void dump_interrupted_context(istate_t *istate); |
|
char *vector_to_string(__u16 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 = get_symtab_entry(istate->cr_ifa); |
iipa = get_symtab_entry(istate->cr_iipa); |
iip = get_symtab_entry(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(__u64 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)\n", desc); |
} |
|
void fpu_enable(void); |
|
void disabled_fp_register(__u64 vector, istate_t *istate) |
{ |
#ifdef CONFIG_FPU_LAZY |
scheduler_fpu_lazy_request(); |
#else |
fault_if_from_uspace(istate, "Interruption: %#hx (%s)", (__u16) vector, vector_to_string(vector)); |
dump_interrupted_context(istate); |
panic("Interruption: %#hx (%s)\n", (__u16) vector, vector_to_string(vector)); |
#endif |
} |
|
|
void nop_handler(__u64 vector, istate_t *istate) |
{ |
} |
|
|
|
/** Handle syscall. */ |
int break_instruction(__u64 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++; |
} |
|
if (istate->in4 < SYSCALL_END) |
return syscall_table[istate->in4](istate->in0, istate->in1, istate->in2, istate->in3); |
else |
panic("Undefined syscall %d", istate->in4); |
|
return -1; |
} |
|
void universal_handler(__u64 vector, istate_t *istate) |
{ |
fault_if_from_uspace(istate,"Interruption: %#hx (%s)\n",(__u16) vector, vector_to_string(vector)); |
dump_interrupted_context(istate); |
panic("Interruption: %#hx (%s)\n", (__u16) vector, vector_to_string(vector)); |
} |
|
void external_interrupt(__u64 vector, istate_t *istate) |
{ |
cr_ivr_t ivr; |
|
ivr.value = ivr_read(); |
srlz_d(); |
|
switch(ivr.vector) { |
case INTERRUPT_TIMER: |
it_interrupt(); |
break; |
case INTERRUPT_SPURIOUS: |
printf("cpu%d: spurious interrupt\n", CPU->id); |
break; |
default: |
panic("\nUnhandled External Interrupt Vector %d\n", ivr.vector); |
break; |
} |
} |
|
void virtual_interrupt(__u64 irq,void *param) |
{ |
switch(irq) { |
case IRQ_KBD: |
if(kbd_uspace) ipc_irq_send_notif(irq); |
break; |
default: |
panic("\nUnhandled Virtual Interrupt request %d\n", irq); |
break; |
} |
} |
|
/* Reregister irq to be IPC-ready */ |
void irq_ipc_bind_arch(__native irq) |
{ |
if(irq==IRQ_KBD) { |
kbd_uspace=1; |
return; |
} |
return; |
panic("not implemented\n"); |
/* TODO */ |
} |
|
/** @} |
*/ |
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