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126f9ee43e
included and built as part of the SPARC64 and SPARC32 builds, it was never actually invoked in the boot sequence. Hence this patch maintains the existing behaviour in that only X86 builds included the Forth loader. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@siriusit.co.uk> git-svn-id: svn://coreboot.org/openbios/trunk/openbios-devel@712 f158a5a8-5612-0410-a976-696ce0be7e32
101 lines
2.0 KiB
C
101 lines
2.0 KiB
C
/* tag: openbios boot command for x86
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*
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* Copyright (C) 2003-2004 Stefan Reinauer
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*
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* See the file "COPYING" for further information about
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* the copyright and warranty status of this work.
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*/
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#undef BOOTSTRAP
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#include "config.h"
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#include "libopenbios/bindings.h"
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#include "arch/common/nvram.h"
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#include "libc/diskio.h"
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#include "libopenbios/sys_info.h"
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#include "libopenbios/elf_load.h"
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#include "libopenbios/forth_load.h"
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#include "boot.h"
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struct sys_info sys_info;
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static int try_path(const char *path, char *param)
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{
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void *boot_notes = NULL;
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ucell valid, address, type, size;
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int image_retval = 0;;
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/* ELF Boot loader */
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elf_load(&sys_info, path, param, &boot_notes);
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feval("state-valid @");
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valid = POP();
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if (valid)
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goto start_image;
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/* Linux loader (not using Forth) */
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linux_load(&sys_info, path, param);
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/* Forth loader */
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forth_load(path);
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feval("state-valid @");
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valid = POP();
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if (valid)
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goto start_image;
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return 0;
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start_image:
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/* Get the entry point and the type (see forth/debugging/client.fs) */
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feval("saved-program-state >sps.entry @");
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address = POP();
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feval("saved-program-state >sps.file-type @");
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type = POP();
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feval("saved-program-state >sps.file-size @");
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size = POP();
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printk("Jumping to entry point " FMT_ucellx " for type " FMT_ucellx "...\n", address, type);
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switch (type) {
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case 0x0:
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/* Start ELF boot image */
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image_retval = start_elf(address, (uint32_t)NULL);
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break;
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case 0x11:
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/* Start Forth image */
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PUSH(address);
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PUSH(size);
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fword("eval2");
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image_retval = 0;
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break;
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}
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printk("Image returned with return value %#x\n", image_retval);
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return -1;
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}
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void boot(void)
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{
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char *path=pop_fstr_copy(), *param;
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if(!path) {
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printk("[x86] Booting default not supported.\n");
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return;
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}
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param = strchr(path, ' ');
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if(param) {
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*param = '\0';
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param++;
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}
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printk("[x86] Booting file '%s' with parameters '%s'\n",path, param);
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try_path(path, param);
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printk("Unsupported image format\n");
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free(path);
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}
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