/SPARTAN/trunk/arch/ppc/boot/boot.s |
---|
File deleted |
\ No newline at end of file |
/SPARTAN/trunk/arch/ppc/boot/boot.S |
---|
0,0 → 1,42 |
# |
# 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 <asm/macro.h> |
.section BOOTSTRAP |
.global start |
start: |
lis r4, ofw@ha |
addi r4, r4, ofw@l |
stw r5, 0(r4) |
bl init |
b bootstrap |
/SPARTAN/trunk/arch/ppc/boot/main.c |
---|
0,0 → 1,102 |
/* |
* 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 "main.h" |
ofw_entry ofw; |
phandle ofw_chosen; |
ihandle ofw_stdout; |
void init(void) |
{ |
ofw_chosen = ofw_find_device("/chosen"); |
if (ofw_chosen == -1) |
ofw_call("exit", 0, 0); |
if (ofw_get_property(ofw_chosen, "stdout", &ofw_stdout, sizeof(ofw_stdout)) <= 0) |
ofw_stdout = 0; |
} |
int ofw_call(const char *service, const int nargs, const int nret, ...) |
{ |
va_list list; |
ofw_args_t args; |
int i; |
args.service = service; |
args.nargs = nargs; |
args.nret = nret; |
va_start(list, nret); |
for (i = 0; i < nargs; i++) |
args.args[i] = va_arg(list, ofw_arg_t); |
va_end(list); |
for (i = 0; i < nret; i++) |
args.args[i + nargs] = 0; |
ofw(&args); |
return args.args[nargs]; |
} |
void ofw_write(const char *str, const int len) |
{ |
if (ofw_stdout == 0) |
return; |
ofw_call("write", 3, 1, ofw_stdout, str, len); |
} |
void ofw_puts(const char *str) |
{ |
int len = 0; |
while (str[len] != 0) |
len++; |
ofw_write(str, len); |
} |
phandle ofw_find_device(const char *name) |
{ |
return ofw_call("finddevice", 1, 1, name); |
} |
int ofw_get_property(const phandle device, const char *name, void *buf, const int buflen) |
{ |
return ofw_call("getprop", 4, 1, device, name, buf, buflen); |
} |
void bootstrap(void) |
{ |
ofw_puts("\nHelenOS PPC Bootloader\n"); |
while (1); |
} |
/SPARTAN/trunk/arch/ppc/boot/_link.ld |
---|
0,0 → 1,22 |
/* |
* PPC linker script |
* |
*/ |
OUTPUT_FORMAT(elf32-powerpc) |
ENTRY(start) |
SECTIONS { |
.image 0x80000000: AT (0x80000000) { |
*(BOOTSTRAP) |
*(.text); |
*(.rodata); |
*(.rodata.*); |
*(.data); /* initialized data */ |
*(.sdata); |
*(.sdata2); |
*(.sbss); |
*(.bss); /* uninitialized static variables */ |
} |
} |
/SPARTAN/trunk/arch/ppc/boot/main.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. |
*/ |
#ifndef __MAIN_H__ |
#define __MAIN_H__ |
#define MAX_OFW_ARGS 10 |
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) |
typedef unsigned int ofw_arg_t; |
typedef unsigned int ihandle; |
typedef unsigned int phandle; |
/** OpenFirmware command structure |
* |
*/ |
typedef struct { |
const char *service; /**< Command name */ |
unsigned int nargs; /**< Number of in arguments */ |
unsigned int nret; /**< Number of out arguments */ |
ofw_arg_t args[MAX_OFW_ARGS]; /**< List of arguments */ |
} ofw_args_t; |
typedef void (*ofw_entry)(ofw_args_t *); |
extern void init(void); |
extern int ofw_call(const char *service, const int nargs, const int nret, ...); |
extern void ofw_write(const char *str, const int len); |
extern void ofw_puts(const char *str); |
extern phandle ofw_find_device(const char *name); |
extern int ofw_get_property(const phandle device, const char *name, void *buf, const int buflen); |
extern void bootstrap(void); |
#endif |
/SPARTAN/trunk/arch/ppc/boot/Makefile |
---|
8,17 → 8,22 |
build: boot.bin |
cp boot.bin ../../../src/load.bin |
CC=$(PPC_BINUTILS_DIR)/$(PPC_TARGET)-gcc |
AS=$(PPC_BINUTILS_DIR)/$(PPC_TARGET)-as |
LD=$(PPC_BINUTILS_DIR)/$(PPC_TARGET)-ld |
ASFLAGS= |
LFLAGS=--oformat=binary -e start |
CPPFLAGS=$(DEFS) -nostdinc -I../include |
CFLAGS=$(CPPFLAGS) -nostdlib -fno-builtin -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O2 |
LFLAGS=-no-check-sections -N -T _link.ld |
boot.bin: boot.o |
$(LD) $(LFLAGS) boot.o -o $@ |
boot.bin: boot.o main.o |
$(LD) $(LFLAGS) boot.o main.o -o $@ |
boot.o: |
$(AS) boot.s -o $@ |
boot.o: boot.S |
$(CC) $(CFLAGS) -c boot.S -o $@ |
main.o: main.c |
$(CC) $(CFLAGS) -c main.c -o $@ |
clean: |
-rm *.o *.bin |
/SPARTAN/trunk/arch/ppc/include/arch.h |
---|
0,0 → 1,41 |
/* |
* 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 __ppc_ARCH_H__ |
#define __ppc_ARCH_H__ |
#include <arch/drivers/ofw.h> |
#ifdef early_mapping |
#undef early_mapping |
#endif |
#define early_mapping(stack, size) \ |
ofw_claim((void *) stack, size, 0); |
#endif |
/SPARTAN/trunk/arch/ppc/include/asm.h |
---|
78,7 → 78,10 |
__asm__ volatile ( |
"mfmsr %%r31\n" |
"rlwimi %0, %%r31, 0, 17, 15\n" |
"cmpw 0, %0, %%r31\n" |
"beq 0f\n" |
"mtmsr %0\n" |
"0:\n" |
: "=r" (pri) |
: "0" (pri) |
: "%r31" |
85,6 → 88,19 |
); |
} |
/** Return raw priority level |
* |
* Return EE. |
*/ |
static inline pri_t cpu_priority_read(void) { |
pri_t v; |
__asm__ volatile ( |
"mfmsr %0\n" |
: "=r" (v) |
); |
return v; |
} |
/* TODO: implement the real stuff */ |
static inline __address get_stack_base(void) |
{ |
/SPARTAN/trunk/arch/ppc/include/context.h |
---|
30,17 → 30,9 |
#define __ppc_CONTEXT_H__ |
#include <arch/types.h> |
#include <arch/drivers/ofw.h> |
#define SP_DELTA 8 |
#ifdef context_map_stack |
#undef context_map_stack |
#endif |
#define context_map_stack(stack, size) \ |
ofw_claim((void *) stack, size, 0); |
struct context { |
__u32 r0; |
__u32 sp; |
/SPARTAN/trunk/arch/ppc/Makefile.inc |
---|
12,15 → 12,17 |
DEFS=-DARCH=$(ARCH) |
CPPFLAGS=$(DEFS) -nostdinc -I../include |
CFLAGS=$(CPPFLAGS) -nostdlib -fno-builtin -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O2 |
LFLAGS=-M -no-check-sections -T ../arch/ppc/_link.ld |
LFLAGS=-M -no-check-sections -N -T ../arch/ppc/_link.ld |
arch_sources= \ |
arch/context.S \ |
arch/debug/panic.s \ |
arch/fpu_context.c \ |
arch/ppc.c \ |
arch/dummy.s \ |
arch/start.S \ |
arch/asm.s \ |
arch/asm.S \ |
arch/cpu/cpu.c \ |
arch/mm/frame.c \ |
arch/mm/memory_init.c \ |
arch/mm/page.c \ |
/SPARTAN/trunk/arch/ppc/src/asm.s |
---|
File deleted |
/SPARTAN/trunk/arch/ppc/src/asm.S |
---|
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. |
# |
#include <arch/asm/macro.h> |
.text |
.global cpu_halt |
.global cpu_sleep |
.global memsetb |
.global memcpy |
cpu_halt: |
b cpu_halt |
cpu_sleep: |
b cpu_sleep |
memsetb: |
rlwimi r5, r5, 8, 16, 23 |
rlwimi r5, r5, 16, 0, 15 |
addi r14, r3, -4 |
cmplwi 0, r4, 4 |
blt 7f |
stwu r5, 4(r14) |
beqlr |
andi. r15, r14, 3 |
add r4, r15, r4 |
subf r14, r15, r14 |
srwi r15, r4, 2 |
mtctr r15 |
bdz 6f |
1: |
stwu r5, 4(r14) |
bdnz 1b |
6: |
andi. r4, r4, 3 |
7: |
cmpwi 0, r4, 0 |
beqlr |
mtctr r4 |
addi r6, r6, 3 |
8: |
stbu r5, 1(r14) |
bdnz 8b |
blr |
memcpy: |
# TODO |
blr |
/SPARTAN/trunk/arch/ppc/src/ppc.c |
---|
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. |
*/ |
#include <arch.h> |
void arch_pre_mm_init(void) |
{ |
} |
void arch_post_mm_init(void) |
{ |
} |
void arch_late_init(void) |
{ |
} |
void calibrate_delay_loop(void) |
{ |
} |
/SPARTAN/trunk/arch/ppc/src/debug/panic.s |
---|
35,4 → 35,4 |
lis %r14, halt@ha |
addi %r14, %r14, halt@l |
mtlr %r14 # fake stack to make printf return to halt |
b printf |
b printf |
/SPARTAN/trunk/arch/ppc/src/cpu/cpu.c |
---|
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. |
*/ |
#include <arch/cpu.h> |
#include <cpu.h> |
#include <arch.h> |
#include <typedefs.h> |
#include <print.h> |
void cpu_arch_init(void) |
{ |
} |
void cpu_identify(void) |
{ |
} |
void cpu_print_report(cpu_t *m) |
{ |
printf("cpu%d:\n", m->id); |
} |
/SPARTAN/trunk/arch/ppc/src/dummy.s |
---|
28,36 → 28,14 |
.text |
.global memcpy |
.global cpu_priority_read |
.global memsetb |
.global asm_delay_loop |
.global userspace |
.global before_thread_runs_arch |
.global cpu_sleep |
.global cpu_identify |
.global cpu_arch_init |
.global cpu_print_report |
.global arch_pre_mm_init |
.global arch_post_mm_init |
.global arch_late_init |
.global calibrate_delay_loop |
.global asm_delay_loop |
.global dummy |
memcpy: |
cpu_priority_read: |
memsetb: |
before_thread_runs_arch: |
userspace: |
calibrate_delay_loop: |
asm_delay_loop: |
cpu_identify: |
cpu_arch_init: |
cpu_print_report: |
arch_pre_mm_init: |
arch_post_mm_init: |
arch_late_init: |
calibrate_delay_loop: |
dummy: |
0: |
/SPARTAN/trunk/arch/ppc/src/drivers/ofw.c |
---|
41,7 → 41,7 |
if (ofw_chosen == -1) |
ofw_done(); |
if (ofw_call("getprop", 4, 1, ofw_chosen, "stdout", &ofw_stdout, sizeof(ofw_stdout)) <= 0) |
if (ofw_get_property(ofw_chosen, "stdout", &ofw_stdout, sizeof(ofw_stdout)) <= 0) |
ofw_stdout = 0; |
} |
/SPARTAN/trunk/arch/ppc/_link.ld |
---|
23,6 → 23,7 |
*(.rodata.*); |
*(.data); /* initialized data */ |
*(.sdata); |
*(.sdata2); |
*(.sbss); |
*(.bss); /* uninitialized static variables */ |
*(COMMON); /* global variables */ |