/SPARTAN/trunk/arch/ppc/boot/boot.s |
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File deleted |
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/SPARTAN/trunk/arch/ppc/boot/boot.S |
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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 |
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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 |
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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 |
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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 |