| /kernel/trunk/arch/ppc32/boot/Makefile |
|---|
| 0,0 → 1,18 |
| .PHONY: build clean |
| CFLAGS = -nostdinc -nostdlib -fno-builtin -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -I../include |
| build: boot.bin |
| cp boot.bin ../../../load.bin |
| boot.bin: boot.o main.o |
| $(LD) -no-check-sections -N -T _link.ld boot.o main.o -o $@ |
| boot.o: boot.S |
| $(CC) $(CFLAGS) -c boot.S -o $@ |
| main.o: main.c |
| $(CC) $(CFLAGS) -c main.c -o $@ |
| clean: |
| -rm -f boot.o main.o boot.bin ../../../load.bin |
| /kernel/trunk/arch/ppc32/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 |
| /kernel/trunk/arch/ppc32/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); |
| } |
| /kernel/trunk/arch/ppc32/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 */ |
| } |
| } |
| /kernel/trunk/arch/ppc32/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 |