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Move the *_init_program() functions into the main loader source files so that everything is in one place. Part of this

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involves taking the existing parts of the XCOFF loader and putting them into a new loader file xcoff_load.c. Also fix a 
dependency order change these changes introduce when building openbios-unix.

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


git-svn-id: svn://coreboot.org/openbios/trunk/openbios-devel@720 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Mark Cave-Ayland
2010-03-28 23:47:36 +00:00
committed by Mark Cave-Ayland
parent c60fad9646
commit d4451ae216
15 changed files with 276 additions and 194 deletions
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59
libopenbios/elf_load.c
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@@ -19,6 +19,10 @@
#define MAX_HEADERS 0x20
#define BS 0x100 /* smallest step used when looking for the ELF header */
#ifdef CONFIG_PPC
extern void flush_icache_range( char *start, char *stop );
#endif
/* FreeBSD and possibly others mask the high 8 bits */
#define addr_fixup(addr) ((addr) & 0x00ffffff)
@@ -362,7 +366,8 @@ elf_readhdrs(int offset, Elf_ehdr *ehdr)
return phdr;
}
int elf_load(struct sys_info *info, const char *filename, const char *cmdline, void **boot_notes)
int
elf_load(struct sys_info *info, const char *filename, const char *cmdline, void **boot_notes)
{
Elf_ehdr ehdr;
Elf_phdr *phdr = NULL;
@@ -460,3 +465,55 @@ out:
free(image_version);
return retval;
}
void
elf_init_program(void)
{
char *base;
int i;
Elf_ehdr *ehdr;
Elf_phdr *phdr;
size_t size;
char *addr;
cell tmp;
/* TODO: manage ELF notes section */
feval("0 state-valid !");
feval("load-base");
base = (char*)POP();
ehdr = (Elf_ehdr *)base;
phdr = (Elf_phdr *)(base + ehdr->e_phoff);
for (i = 0; i < ehdr->e_phnum; i++) {
#if DEBUG
debug("filesz: %08lX memsz: %08lX p_offset: %08lX "
"p_vaddr %08lX\n",
(ulong)phdr[i].p_filesz, (ulong)phdr[i].p_memsz,
(ulong)phdr[i].p_offset, (ulong)phdr[i].p_vaddr );
#endif
size = MIN(phdr[i].p_filesz, phdr[i].p_memsz);
if (!size)
continue;
#if 0
if( ofmem_claim( phdr[i].p_vaddr, phdr[i].p_memsz, 0 ) == -1 ) {
printk("Claim failed!\n");
return;
}
#endif
/* Workaround for archs where sizeof(int) != pointer size */
tmp = phdr[i].p_vaddr;
addr = (char *)tmp;
memcpy(addr, base + phdr[i].p_offset, size);
#ifdef CONFIG_PPC
flush_icache_range( addr, addr + size );
#endif
}
/* FIXME: should initialize saved-program-state. */
PUSH(ehdr->e_entry);
feval("elf-entry !");
feval("-1 state-valid !");
}