129 lines
2.7 KiB
C
129 lines
2.7 KiB
C
/*
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* Creation Date: <2010/06/25 20:00:00 mcayland>
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* Time-stamp: <2010/06/25 20:00:00 mcayland>
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*
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* <load.c>
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*
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* C implementation of load
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*
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* Copyright (C) 2010 Mark Cave-Ayland (mark.cave-ayland@siriusit.co.uk)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2
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*
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*/
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#include "config.h"
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#include "kernel/kernel.h"
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#include "libopenbios/bindings.h"
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#include "libopenbios/initprogram.h"
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#include "libopenbios/sys_info.h"
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#include "libopenbios/load.h"
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#ifdef CONFIG_LOADER_ELF
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#include "libopenbios/elf_load.h"
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#endif
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#ifdef CONFIG_LOADER_AOUT
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#include "libopenbios/aout_load.h"
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#endif
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#ifdef CONFIG_LOADER_FCODE
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#include "libopenbios/fcode_load.h"
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#endif
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#ifdef CONFIG_LOADER_FORTH
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#include "libopenbios/forth_load.h"
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#endif
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#ifdef CONFIG_LOADER_XCOFF
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#include "libopenbios/xcoff_load.h"
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#endif
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#ifdef CONFIG_LOADER_BOOTCODE
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#include "libopenbios/bootcode_load.h"
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#endif
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#ifdef CONFIG_LOADER_PREP
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#include "libopenbios/prep_load.h"
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#endif
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struct sys_info sys_info;
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void *elf_boot_notes = NULL;
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/* ( addr -- size ) */
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void load(ihandle_t dev)
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{
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/* Invoke the loaders on the specified device */
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char *param;
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/* TODO: Currently the internal loader APIs use load-base directly, so
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drop the address */
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POP();
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#ifdef CONFIG_LOADER_ELF
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/* Grab the boot arguments */
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push_str("bootargs");
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push_str("/chosen");
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fword("(find-dev)");
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POP();
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fword("get-package-property");
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POP();
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param = pop_fstr_copy();
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if (elf_load(&sys_info, dev, param, &elf_boot_notes) != LOADER_NOT_SUPPORT) {
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feval("load-state >ls.file-size @");
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return;
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}
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#endif
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#ifdef CONFIG_LOADER_AOUT
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if (aout_load(&sys_info, dev) != LOADER_NOT_SUPPORT) {
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feval("load-state >ls.file-size @");
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return;
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}
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#endif
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#ifdef CONFIG_LOADER_FCODE
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if (fcode_load(dev) != LOADER_NOT_SUPPORT) {
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feval("load-state >ls.file-size @");
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return;
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}
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#endif
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#ifdef CONFIG_LOADER_FORTH
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if (forth_load(dev) != LOADER_NOT_SUPPORT) {
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feval("load-state >ls.file-size @");
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return;
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}
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#endif
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#ifdef CONFIG_LOADER_XCOFF
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if (xcoff_load(dev) != LOADER_NOT_SUPPORT) {
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feval("load-state >ls.file-size @");
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return;
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}
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#endif
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#ifdef CONFIG_LOADER_BOOTCODE
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/* Check for a "raw" %BOOT bootcode payload */
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if (bootcode_load(dev) != LOADER_NOT_SUPPORT) {
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feval("load-state >ls.file-size @");
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return;
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}
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#endif
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#ifdef CONFIG_LOADER_PREP
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if (prep_load(dev) != LOADER_NOT_SUPPORT) {
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feval("load-state >ls.file-size @");
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return;
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}
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#endif
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/* Didn't load anything, so return zero size */
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PUSH(0);
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}
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