/tags/0.4.0/boot/arch/sparc64/loader/main.c |
---|
0,0 → 1,278 |
/* |
* Copyright (c) 2005 Martin Decky |
* 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 "main.h" |
#include <printf.h> |
#include "asm.h" |
#include "_components.h" |
#include <balloc.h> |
#include <ofw.h> |
#include <ofw_tree.h> |
#include "ofwarch.h" |
#include <align.h> |
#include <string.h> |
bootinfo_t bootinfo; |
component_t components[COMPONENTS]; |
char *release = RELEASE; |
#ifdef REVISION |
char *revision = ", revision " REVISION; |
#else |
char *revision = ""; |
#endif |
#ifdef TIMESTAMP |
char *timestamp = "\nBuilt on " TIMESTAMP; |
#else |
char *timestamp = ""; |
#endif |
/** UltraSPARC subarchitecture - 1 for US, 3 for US3 */ |
uint8_t subarchitecture; |
/** |
* mask of the MID field inside the ICBUS_CONFIG register shifted by |
* MID_SHIFT bits to the right |
*/ |
uint16_t mid_mask; |
/** Print version information. */ |
static void version_print(void) |
{ |
printf("HelenOS SPARC64 Bootloader\nRelease %s%s%s\n" |
"Copyright (c) 2006 HelenOS project\n", |
release, revision, timestamp); |
} |
/* the lowest ID (read from the VER register) of some US3 CPU model */ |
#define FIRST_US3_CPU 0x14 |
/* the greatest ID (read from the VER register) of some US3 CPU model */ |
#define LAST_US3_CPU 0x19 |
/* UltraSPARC IIIi processor implementation code */ |
#define US_IIIi_CODE 0x15 |
/** |
* Sets the global variables "subarchitecture" and "mid_mask" to |
* correct values. |
*/ |
static void detect_subarchitecture(void) |
{ |
uint64_t v; |
asm volatile ("rdpr %%ver, %0\n" : "=r" (v)); |
v = (v << 16) >> 48; |
if ((v >= FIRST_US3_CPU) && (v <= LAST_US3_CPU)) { |
subarchitecture = SUBARCH_US3; |
if (v == US_IIIi_CODE) |
mid_mask = (1 << 5) - 1; |
else |
mid_mask = (1 << 10) - 1; |
} else if (v < FIRST_US3_CPU) { |
subarchitecture = SUBARCH_US; |
mid_mask = (1 << 5) - 1; |
} else { |
printf("\nThis CPU is not supported by HelenOS."); |
} |
} |
void bootstrap(void) |
{ |
void *base = (void *) KERNEL_VIRTUAL_ADDRESS; |
void *balloc_base; |
unsigned int top = 0; |
int i, j; |
version_print(); |
detect_subarchitecture(); |
init_components(components); |
if (!ofw_get_physmem_start(&bootinfo.physmem_start)) { |
printf("Error: unable to get start of physical memory.\n"); |
halt(); |
} |
if (!ofw_memmap(&bootinfo.memmap)) { |
printf("Error: unable to get memory map, halting.\n"); |
halt(); |
} |
if (bootinfo.memmap.total == 0) { |
printf("Error: no memory detected, halting.\n"); |
halt(); |
} |
/* |
* SILO for some reason adds 0x400000 and subtracts |
* bootinfo.physmem_start to/from silo_ramdisk_image. |
* We just need plain physical address so we fix it up. |
*/ |
if (silo_ramdisk_image) { |
silo_ramdisk_image += bootinfo.physmem_start; |
silo_ramdisk_image -= 0x400000; |
/* Install 1:1 mapping for the ramdisk. */ |
if (ofw_map((void *)((uintptr_t) silo_ramdisk_image), |
(void *)((uintptr_t) silo_ramdisk_image), |
silo_ramdisk_size, -1) != 0) { |
printf("Failed to map ramdisk.\n"); |
halt(); |
} |
} |
printf("\nSystem info\n"); |
printf(" memory: %dM starting at %P\n", |
bootinfo.memmap.total >> 20, bootinfo.physmem_start); |
printf("\nMemory statistics\n"); |
printf(" kernel entry point at %P\n", KERNEL_VIRTUAL_ADDRESS); |
printf(" %P: boot info structure\n", &bootinfo); |
/* |
* Figure out destination address for each component. |
* In this phase, we don't copy the components yet because we want to |
* to be careful not to overwrite anything, especially the components |
* which haven't been copied yet. |
*/ |
bootinfo.taskmap.count = 0; |
for (i = 0; i < COMPONENTS; i++) { |
printf(" %P: %s image (size %d bytes)\n", components[i].start, |
components[i].name, components[i].size); |
top = ALIGN_UP(top, PAGE_SIZE); |
if (i > 0) { |
if (bootinfo.taskmap.count == TASKMAP_MAX_RECORDS) { |
printf("Skipping superfluous components.\n"); |
break; |
} |
bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = |
base + top; |
bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = |
components[i].size; |
bootinfo.taskmap.count++; |
} |
top += components[i].size; |
} |
j = bootinfo.taskmap.count - 1; /* do not consider ramdisk */ |
if (silo_ramdisk_image) { |
/* Treat the ramdisk as the last bootinfo task. */ |
if (bootinfo.taskmap.count == TASKMAP_MAX_RECORDS) { |
printf("Skipping ramdisk.\n"); |
goto skip_ramdisk; |
} |
top = ALIGN_UP(top, PAGE_SIZE); |
bootinfo.taskmap.tasks[bootinfo.taskmap.count].addr = |
base + top; |
bootinfo.taskmap.tasks[bootinfo.taskmap.count].size = |
silo_ramdisk_size; |
bootinfo.taskmap.count++; |
printf("\nCopying ramdisk..."); |
/* |
* Claim and map the whole ramdisk as it may exceed the area |
* given to us by SILO. |
*/ |
(void) ofw_claim_phys(base + top, silo_ramdisk_size); |
(void) ofw_map(bootinfo.physmem_start + base + top, base + top, |
silo_ramdisk_size, -1); |
memmove(base + top, (void *)((uintptr_t)silo_ramdisk_image), |
silo_ramdisk_size); |
printf("done.\n"); |
top += silo_ramdisk_size; |
} |
skip_ramdisk: |
/* |
* Now we can proceed to copy the components. We do it in reverse order |
* so that we don't overwrite anything even if the components overlap |
* with base. |
*/ |
printf("\nCopying bootinfo tasks\n"); |
for (i = COMPONENTS - 1; i > 0; i--, j--) { |
printf(" %s...", components[i].name); |
/* |
* At this point, we claim the physical memory that we are |
* going to use. We should be safe in case of the virtual |
* address space because the OpenFirmware, according to its |
* SPARC binding, should restrict its use of virtual memory |
* to addresses from [0xffd00000; 0xffefffff] and |
* [0xfe000000; 0xfeffffff]. |
* |
* XXX We don't map this piece of memory. We simply rely on |
* SILO to have it done for us already in this case. |
*/ |
(void) ofw_claim_phys(bootinfo.physmem_start + |
bootinfo.taskmap.tasks[j].addr, |
ALIGN_UP(components[i].size, PAGE_SIZE)); |
memcpy((void *)bootinfo.taskmap.tasks[j].addr, |
components[i].start, components[i].size); |
printf("done.\n"); |
} |
printf("\nCopying kernel..."); |
(void) ofw_claim_phys(bootinfo.physmem_start + base, |
ALIGN_UP(components[0].size, PAGE_SIZE)); |
memcpy(base, components[0].start, components[0].size); |
printf("done.\n"); |
/* |
* Claim and map the physical memory for the boot allocator. |
* Initialize the boot allocator. |
*/ |
balloc_base = base + ALIGN_UP(top, PAGE_SIZE); |
(void) ofw_claim_phys(bootinfo.physmem_start + balloc_base, |
BALLOC_MAX_SIZE); |
(void) ofw_map(bootinfo.physmem_start + balloc_base, balloc_base, |
BALLOC_MAX_SIZE, -1); |
balloc_init(&bootinfo.ballocs, (uintptr_t)balloc_base); |
printf("\nCanonizing OpenFirmware device tree..."); |
bootinfo.ofw_root = ofw_tree_build(); |
printf("done.\n"); |
#ifdef CONFIG_AP |
printf("\nChecking for secondary processors..."); |
if (!ofw_cpu()) |
printf("Error: unable to get CPU properties\n"); |
printf("done.\n"); |
#endif |
ofw_setup_palette(); |
printf("\nBooting the kernel...\n"); |
jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, |
bootinfo.physmem_start | BSP_PROCESSOR, &bootinfo, |
sizeof(bootinfo)); |
} |
/tags/0.4.0/boot/arch/sparc64/loader/Makefile |
---|
0,0 → 1,170 |
# |
# 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 ../../../../version |
include ../../../../Makefile.config |
## Toolchain configuration |
# |
ifndef CROSS_PREFIX |
CROSS_PREFIX = /usr/local |
endif |
BFD_NAME = elf64-sparc |
BFD_ARCH = sparc |
TARGET = sparc64-linux-gnu |
TOOLCHAIN_DIR = $(CROSS_PREFIX)/sparc64/bin |
ifeq ($(COMPILER),gcc_native) |
CC = gcc |
AS = as |
LD = ld |
OBJCOPY = objcopy |
OBJDUMP = objdump |
endif |
ifeq ($(COMPILER),gcc_cross) |
CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc |
AS = $(TOOLCHAIN_DIR)/$(TARGET)-as |
LD = $(TOOLCHAIN_DIR)/$(TARGET)-ld |
OBJCOPY = $(TOOLCHAIN_DIR)/$(TARGET)-objcopy |
OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump |
endif |
CFLAGS = -DRELEASE=\"$(RELEASE)\" -I. -I../../../generic -I../../../genarch -nostdinc -nostdlib -fno-builtin -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -mcpu=ultrasparc -m64 -mno-fpu -pipe |
ifdef REVISION |
CFLAGS += "-DREVISION=\"$(REVISION)\"" |
endif |
ifdef TIMESTAMP |
CFLAGS += "-DTIMESTAMP=\"$(TIMESTAMP)\"" |
endif |
SOURCES = \ |
main.c \ |
_components.c \ |
../../../generic/printf.c \ |
../../../generic/string.c \ |
../../../genarch/balloc.c \ |
../../../genarch/ofw.c \ |
../../../genarch/ofw_tree.c \ |
ofwarch.c \ |
asm.S \ |
boot.S |
# |
# All components that go to image.boot without the ramdisk. |
# |
COMPONENTS = \ |
$(KERNELDIR)/kernel.bin \ |
$(USPACEDIR)/srv/ns/ns \ |
$(USPACEDIR)/app/init/init \ |
$(USPACEDIR)/srv/loader/loader \ |
$(USPACEDIR)/srv/devmap/devmap \ |
$(USPACEDIR)/srv/rd/rd \ |
$(USPACEDIR)/srv/vfs/vfs |
ifeq ($(RDFMT),tmpfs) |
COMPONENTS += $(USPACEDIR)/srv/fs/tmpfs/tmpfs |
endif |
ifeq ($(RDFMT),fat) |
COMPONENTS += $(USPACEDIR)/srv/fs/fat/fat |
endif |
# |
# Final list of all components that go to image.boot. |
# |
ALL_COMPONENTS = $(COMPONENTS) |
ifeq ($(CONFIG_RD_EXTERNAL),n) |
ALL_COMPONENTS += ./initrd.img |
endif |
RD_SRVS = \ |
$(USPACEDIR)/srv/fb/fb \ |
$(USPACEDIR)/srv/kbd/kbd \ |
$(USPACEDIR)/srv/console/console \ |
$(USPACEDIR)/srv/fs/tmpfs/tmpfs \ |
$(USPACEDIR)/srv/fs/fat/fat |
RD_APPS = \ |
$(USPACEDIR)/app/tetris/tetris \ |
$(USPACEDIR)/app/tester/tester \ |
$(USPACEDIR)/app/trace/trace \ |
$(USPACEDIR)/app/bdsh/bdsh \ |
$(USPACEDIR)/app/klog/klog |
OBJECTS := $(addsuffix .o,$(basename $(SOURCES))) |
ALL_COMPONENT_OBJECTS := $(addsuffix .o,$(basename $(notdir $(ALL_COMPONENTS)))) |
.PHONY: all clean depend |
all: image.boot disasm |
-include Makefile.depend |
image.boot: depend _components.h _link.ld $(ALL_COMPONENT_OBJECTS) $(OBJECTS) |
$(LD) -Map image.map -no-check-sections -N -T _link.ld $(ALL_COMPONENT_OBJECTS) $(OBJECTS) -o $@ |
depend: |
-makedepend -f - -- $(DEFS) $(CFLAGS) -- $(SOURCES) > Makefile.depend 2> /dev/null |
clean: |
-for file in $(RD_SRVS) ; do \ |
rm -f $(USPACEDIR)/dist/srv/`basename $$file` ; \ |
done |
-for file in $(RD_APPS) ; do \ |
rm -f $(USPACEDIR)/dist/app/`basename $$file` ; \ |
done |
-rm -f _components.h _components.c _link.ld $(ALL_COMPONENT_OBJECTS) $(OBJECTS) initrd.img image.boot image.map image.disasm Makefile.depend |
_components.h _components.c _link.ld $(ALL_COMPONENT_OBJECTS): $(COMPONENTS) $(RD_SRVS) $(RD_APPS) _link.ld.in |
for file in $(RD_SRVS) ; do \ |
cp $$file $(USPACEDIR)/dist/srv/ ; \ |
done |
for file in $(RD_APPS) ; do \ |
cp $$file $(USPACEDIR)/dist/app/ ; \ |
done |
ifeq ($(RDFMT),tmpfs) |
../../../../tools/mktmpfs.py $(USPACEDIR)/dist/ initrd.fs |
endif |
ifeq ($(RDFMT),fat) |
../../../../tools/mkfat.py $(USPACEDIR)/dist/ initrd.fs |
endif |
../../../../tools/mkhord.py 16384 initrd.fs initrd.img |
rm initrd.fs |
../../../tools/pack.py $(OBJCOPY) $(BFD_NAME) $(BFD_ARCH) 1 "unsigned long" $(ALL_COMPONENTS) |
%.o: %.S |
$(CC) $(DEFS) $(CFLAGS) -D__ASM__ -c $< -o $@ |
%.o: %.c |
$(CC) $(DEFS) $(CFLAGS) -c $< -o $@ |
disasm: image.boot |
$(OBJDUMP) -d image.boot > image.disasm |
/tags/0.4.0/boot/arch/sparc64/loader/asm.S |
---|
0,0 → 1,172 |
# |
# Copyright (c) 2006 Martin Decky |
# 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 <stack.h> |
#include <register.h> |
.register %g2, #scratch |
.register %g3, #scratch |
.text |
.global halt |
.global memcpy |
.global jump_to_kernel |
halt: |
b halt |
nop |
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 |
jump_to_kernel: |
/* |
* We have copied code and now we need to guarantee cache coherence. |
* 1. Make sure that the code we have moved has drained to main memory. |
* 2. Invalidate I-cache. |
* 3. Flush instruction pipeline. |
*/ |
/* |
* US3 processors have a write-invalidate cache, so explicitly |
* invalidating it is not required. Whether to invalidate I-cache |
* or not is decided according to the value of the global |
* "subarchitecture" variable (set in the bootstrap). |
*/ |
set subarchitecture, %g2 |
ldub [%g2], %g2 |
cmp %g2, 3 |
be 1f |
nop |
0: |
call icache_flush |
nop |
1: |
membar #StoreStore |
/* |
* Flush the instruction pipeline. |
*/ |
flush %i7 |
mov %o0, %l1 |
mov %o1, %o0 |
mov %o2, %o1 |
mov %o3, %o2 |
jmp %l1 ! jump to kernel |
nop |
#define ICACHE_SIZE 8192 |
#define ICACHE_LINE_SIZE 32 |
#define ICACHE_SET_BIT (1 << 13) |
#define ASI_ICACHE_TAG 0x67 |
# Flush I-cache |
icache_flush: |
set ((ICACHE_SIZE - ICACHE_LINE_SIZE) | ICACHE_SET_BIT), %g1 |
stxa %g0, [%g1] ASI_ICACHE_TAG |
0: membar #Sync |
subcc %g1, ICACHE_LINE_SIZE, %g1 |
bnz,pt %xcc, 0b |
stxa %g0, [%g1] ASI_ICACHE_TAG |
membar #Sync |
retl |
! SF Erratum #51 |
nop |
.global ofw |
ofw: |
save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
set ofw_cif, %l0 |
ldx [%l0], %l0 |
rdpr %pstate, %l1 |
and %l1, ~PSTATE_AM_BIT, %l2 |
wrpr %l2, 0, %pstate |
jmpl %l0, %o7 |
mov %i0, %o0 |
wrpr %l1, 0, %pstate |
ret |
restore %o0, 0, %o0 |
/tags/0.4.0/boot/arch/sparc64/loader/main.h |
---|
0,0 → 1,73 |
/* |
* 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 BOOT_sparc64_MAIN_H_ |
#define BOOT_sparc64_MAIN_H_ |
#include <ofw.h> |
#include <ofw_tree.h> |
#include <balloc.h> |
#include <types.h> |
#define KERNEL_VIRTUAL_ADDRESS 0x400000 |
#define TASKMAP_MAX_RECORDS 32 |
#define BSP_PROCESSOR 1 |
#define AP_PROCESSOR 0 |
#define SUBARCH_US 1 |
#define SUBARCH_US3 3 |
typedef struct { |
void *addr; |
uint32_t size; |
} task_t; |
typedef struct { |
uint32_t count; |
task_t tasks[TASKMAP_MAX_RECORDS]; |
} taskmap_t; |
typedef struct { |
uintptr_t physmem_start; |
taskmap_t taskmap; |
memmap_t memmap; |
ballocs_t ballocs; |
ofw_tree_node_t *ofw_root; |
} bootinfo_t; |
extern uint32_t silo_ramdisk_image; |
extern uint32_t silo_ramdisk_size; |
extern bootinfo_t bootinfo; |
extern void start(void); |
extern void bootstrap(void); |
#endif |
/tags/0.4.0/boot/arch/sparc64/loader/ofwarch.c |
---|
0,0 → 1,179 |
/* |
* Copyright (c) 2005 Martin Decky |
* 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 Architecture dependent parts of OpenFirmware interface. |
*/ |
#include <ofwarch.h> |
#include <ofw.h> |
#include <printf.h> |
#include <string.h> |
#include <register.h> |
#include "main.h" |
#include "asm.h" |
/* these tho variables will be set by the detect_subarchitecture function */ |
extern uint8_t subarchitecture; |
extern uint16_t mid_mask; |
void write(const char *str, const int len) |
{ |
int i; |
for (i = 0; i < len; i++) { |
if (str[i] == '\n') |
ofw_write("\r", 1); |
ofw_write(&str[i], 1); |
} |
} |
int ofw_translate_failed(ofw_arg_t flag) |
{ |
return flag != -1; |
} |
/** |
* Starts all CPUs represented by following siblings of the given node, |
* except for the current CPU. |
* |
* @param child The first child of the OFW tree node whose children |
* represent CPUs to be woken up. |
* @param current_mid MID of the current CPU, the current CPU will |
* (of course) not be woken up. |
* @return Number of CPUs which have the same parent node as |
* "child". |
*/ |
static int wake_cpus_in_node(phandle child, uint64_t current_mid) |
{ |
int cpus; |
char type_name[BUF_SIZE]; |
for (cpus = 0; child != 0 && child != -1; |
child = ofw_get_peer_node(child), cpus++) { |
if (ofw_get_property(child, "device_type", type_name, |
sizeof(type_name)) > 0) { |
if (strcmp(type_name, "cpu") == 0) { |
uint32_t mid; |
/* |
* "upa-portid" for US, "portid" for US-III, |
* "cpuid" for US-IV |
*/ |
if (ofw_get_property( |
child, "upa-portid", |
&mid, sizeof(mid)) <= 0 |
&& ofw_get_property(child, "portid", |
&mid, sizeof(mid)) <= 0 |
&& ofw_get_property(child, "cpuid", |
&mid, sizeof(mid)) <= 0) |
continue; |
if (current_mid != mid) { |
/* |
* Start secondary processor. |
*/ |
(void) ofw_call("SUNW,start-cpu", 3, 1, |
NULL, child, KERNEL_VIRTUAL_ADDRESS, |
bootinfo.physmem_start | |
AP_PROCESSOR); |
} |
} |
} |
} |
return cpus; |
} |
/** |
* Finds out the current CPU's MID and wakes up all AP processors. |
*/ |
int ofw_cpu(void) |
{ |
int cpus; |
phandle node; |
phandle subnode; |
phandle cpus_parent; |
phandle cmp; |
char name[BUF_SIZE]; |
/* get the current CPU MID */ |
uint64_t current_mid; |
asm volatile ("ldxa [%1] %2, %0\n" |
: "=r" (current_mid) |
: "r" (0), "i" (ASI_ICBUS_CONFIG)); |
current_mid >>= ICBUS_CONFIG_MID_SHIFT; |
current_mid &= mid_mask; |
/* wake up CPUs */ |
cpus_parent = ofw_find_device("/ssm@0,0"); |
if (cpus_parent == 0 || cpus_parent == -1) { |
cpus_parent = ofw_find_device("/"); |
} |
node = ofw_get_child_node(cpus_parent); |
cpus = wake_cpus_in_node(node, current_mid); |
while (node != 0 && node != -1) { |
if (ofw_get_property(node, "name", name, |
sizeof(name)) > 0) { |
if (strcmp(name, "cmp") == 0) { |
subnode = ofw_get_child_node(node); |
cpus += wake_cpus_in_node(subnode, |
current_mid); |
} |
} |
node = ofw_get_peer_node(node); |
} |
return cpus; |
} |
/** Get physical memory starting address. |
* |
* @param start Pointer to variable where the physical memory starting |
* address will be stored. |
* |
* @return Non-zero on succes, zero on failure. |
*/ |
int ofw_get_physmem_start(uintptr_t *start) |
{ |
uint32_t memreg[4]; |
if (ofw_get_property(ofw_memory, "reg", &memreg, sizeof(memreg)) <= 0) |
return 0; |
*start = (((uint64_t) memreg[0]) << 32) | memreg[1]; |
return 1; |
} |
/tags/0.4.0/boot/arch/sparc64/loader/register.h |
---|
0,0 → 1,39 |
/* |
* 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 BOOT_sparc64_REGISTER_H_ |
#define BOOT_sparc64_REGISTER_H_ |
#define PSTATE_IE_BIT 2 |
#define PSTATE_PRIV_BIT 4 |
#define PSTATE_AM_BIT 8 |
#define ASI_ICBUS_CONFIG 0x4a |
#define ICBUS_CONFIG_MID_SHIFT 17 |
#endif |
/tags/0.4.0/boot/arch/sparc64/loader/boot.S |
---|
0,0 → 1,93 |
# |
# Copyright (c) 2006 Martin Decky |
# 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 <stack.h> |
#include <register.h> |
#define INITIAL_STACK_SIZE 8192 |
#define NWINDOWS 8 |
.register %g2, #scratch |
.register %g3, #scratch |
.register %g6, #scratch |
.register %g7, #scratch |
.section BOOTSTRAP, "ax" |
.global start |
start: |
b 1f |
nop |
/* |
* This header forces SILO to load the image at 0x4000. |
* More precisely, SILO will think this is an old version of Linux. |
*/ |
.ascii "HdrS" |
.word 0 |
.half 0 |
.half 0 |
.half 0 |
.half 0 |
.global silo_ramdisk_image |
silo_ramdisk_image: |
.word 0 |
.global silo_ramdisk_size |
silo_ramdisk_size: |
.word 0 |
.align 8 |
1: |
/* |
* Disable interrupts and disable address masking. |
*/ |
wrpr %g0, PSTATE_PRIV_BIT, %pstate |
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 |
set initial_stack_top, %sp |
add %sp, -STACK_BIAS, %sp |
set ofw_cif, %l0 |
call ofw_init ! initialize OpenFirmware |
stx %o4, [%l0] |
b bootstrap |
nop |
.align STACK_ALIGNMENT |
initial_stack: |
.space INITIAL_STACK_SIZE |
initial_stack_top: |
.space STACK_WINDOW_SAVE_AREA_SIZE |
/tags/0.4.0/boot/arch/sparc64/loader/_link.ld.in |
---|
0,0 → 1,23 |
OUTPUT_FORMAT("elf64-sparc") |
ENTRY(start) |
SECTIONS { |
.boot 0x4000: AT (0x4000) { |
*(BOOTSTRAP); |
*(.text); |
*(.rodata); |
*(.rodata.*); |
*(.data); /* initialized data */ |
*(.sdata); |
*(.sdata2); |
*(.sbss); |
*(.bss); /* uninitialized static variables */ |
*(COMMON); |
[[COMPONENTS]] |
} |
/DISCARD/ : { |
*(.comment); |
*(.note*); |
} |
} |
/tags/0.4.0/boot/arch/sparc64/loader/asm.h |
---|
0,0 → 1,45 |
/* |
* Copyright (c) 2006 Martin Decky |
* 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 BOOT_sparc64_ASM_H_ |
#define BOOT_sparc64_ASM_H_ |
#include "types.h" |
#include "main.h" |
#define PAGE_WIDTH 14 |
#define PAGE_SIZE (1 << PAGE_WIDTH) |
#define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt)) |
extern void halt(void); |
extern void jump_to_kernel(void *entry, uint64_t cfg, bootinfo_t *bootinfo, |
unsigned int bootinfo_size) __attribute__((noreturn)); |
#endif |
/tags/0.4.0/boot/arch/sparc64/loader/ofwarch.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. |
*/ |
#ifndef BOOT_sparc64_OFWARCH_H_ |
#define BOOT_sparc64_OFWARCH_H_ |
#include "main.h" |
#include "types.h" |
#define OFW_ADDRESS_CELLS 2 |
#define OFW_SIZE_CELLS 2 |
extern int ofw_cpu(void); |
extern int ofw_get_physmem_start(uintptr_t *start); |
#endif |
/tags/0.4.0/boot/arch/sparc64/loader/types.h |
---|
0,0 → 1,44 |
/* |
* 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. |
*/ |
#ifndef BOOT_sparc64_TYPES_H_ |
#define BOOT_sparc64_TYPES_H_ |
#include <gentypes.h> |
typedef signed char int8_t; |
typedef unsigned char uint8_t; |
typedef unsigned short uint16_t; |
typedef unsigned int uint32_t; |
typedef unsigned long uint64_t; |
typedef uint64_t uintptr_t; |
typedef uint64_t unative_t; |
#endif |
/tags/0.4.0/boot/arch/sparc64/loader/stack.h |
---|
0,0 → 1,36 |
/* |
* 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 BOOT_sparc64_STACK_H_ |
#define BOOT_sparc64_STACK_H_ |
#define STACK_ALIGNMENT 16 |
#define STACK_BIAS 2047 |
#define STACK_WINDOW_SAVE_AREA_SIZE (16*8) |
#endif |