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The new loader APIs in libopenbios already have routines to detect the type of executable at a given address and react

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accordingly. Hence since the loaders are currently written in C, it makes more sense to drop down into C and re-use the same 
code rather than have a second implementation in Forth.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@siriusit.co.uk>


git-svn-id: svn://coreboot.org/openbios/trunk/openbios-devel@726 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Mark Cave-Ayland
2010-04-02 13:01:10 +00:00
committed by Mark Cave-Ayland
parent 9661f91432
commit 1b273803c2
6 changed files with 125 additions and 297 deletions
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1
libopenbios/aout_load.c
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@@ -10,7 +10,6 @@
#define CONFIG_SPARC64_PAGE_SIZE_8KB
#endif
#include "arch/common/a.out.h"
#include "libopenbios/sys_info.h"
#include "libopenbios/bindings.h"
#include "libopenbios/aout_load.h"

1
libopenbios/build.xml
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@@ -13,6 +13,7 @@
<object source="fcode_load.c" condition="LOADER_FCODE"/>
<object source="forth_load.c" condition="LOADER_FORTH"/>
<object source="init.c"/>
<object source="initprogram.c"/>
<object source="ipchecksum.c"/>
<object source="linuxbios_info.c" condition="LINUXBIOS"/>
<object source="ofmem_common.c" condition="OFMEM"/>

5
libopenbios/init.c
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@@ -16,9 +16,12 @@
#include "config.h"
#include "libopenbios/openbios.h"
#include "libopenbios/bindings.h"
#include "libopenbios/initprogram.h"
void
openbios_init( void )
{
// TODO
// Bind the C implementation of (init-program) into Forth
bind_func("(init-program)", init_program);
}

85
libopenbios/initprogram.c Normal file
View File

@@ -0,0 +1,85 @@
/*
* Creation Date: <2010/04/02 13:00:00 mcayland>
* Time-stamp: <2010/04/02 13:00:00 mcayland>
*
* <initprogram.c>
*
* C implementation of (init-program) word
*
* Copyright (C) 2010 Mark Cave-Ayland (mark.cave-ayland@siriusit.co.uk)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2
*
*/
#include "config.h"
#include "kernel/kernel.h"
#include "libopenbios/bindings.h"
#include "libopenbios/initprogram.h"
/* Because the a.out loader requires platform-specific headers */
#ifdef CONFIG_LOADER_AOUT
#include "libopenbios/aout_load.h"
#endif
#include "libopenbios/bootinfo_load.h"
#include "libopenbios/elf_load.h"
#include "libopenbios/fcode_load.h"
#include "libopenbios/forth_load.h"
#include "libopenbios/xcoff_load.h"
void init_program(void)
{
/* Get the value of load-base and use it to determine the correct loader
to use */
ucell addr;
feval("load-base");
addr = POP();
#ifdef CONFIG_LOADER_AOUT
if (is_aout((struct exec *)addr)) {
aout_init_program();
return;
}
#endif
#ifdef CONFIG_LOADER_BOOTINFO
if (is_bootinfo((char *)addr)) {
bootinfo_init_program();
return;
}
#endif
#ifdef CONFIG_LOADER_ELF
if (is_elf((Elf_ehdr *)addr)) {
elf_init_program();
return;
}
#endif
#ifdef CONFIG_LOADER_FCODE
if (is_fcode((unsigned char *)addr)) {
fcode_init_program();
return;
}
#endif
#ifdef CONFIG_LOADER_FORTH
if (is_forth((char *)addr)) {
forth_init_program();
return;
}
#endif
#ifdef CONFIG_LOADER_XCOFF
if (is_xcoff((COFF_filehdr_t *)addr)) {
xcoff_init_program();
return;
}
#endif
}