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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
Download Patch File Download Diff File Expand all files Collapse all files

117
packages/xcoff-loader.c
View File

@@ -16,126 +16,13 @@
#include "config.h"
#include "libopenbios/bindings.h"
#include "libopenbios/xcoff_load.h"
#include "packages.h"
#include "libopenbios/ofmem.h"
#include "arch/common/xcoff.h"
//#define DEBUG_XCOFF
#ifdef DEBUG_XCOFF
#define DPRINTF(fmt, args...) \
do { printk("%s: " fmt, __func__ , ##args); } while (0)
#else
#define DPRINTF(fmt, args...) \
do { } while (0)
#endif
DECLARE_NODE(xcoff_loader, INSTALL_OPEN, 0, "+/packages/xcoff-loader" );
#ifdef CONFIG_PPC
extern void flush_icache_range( char *start, char *stop );
#endif
static void
xcoff_loader_init_program( void *dummy )
{
char *base;
COFF_filehdr_t *fhdr;
COFF_aouthdr_t *ahdr;
COFF_scnhdr_t *shdr;
uint32_t offset;
int i;
feval("0 state-valid !");
feval("load-base");
base = (char*)POP();
fhdr = (COFF_filehdr_t*)base;
/* Is it an XCOFF file ? */
if (fhdr->f_magic != U802WRMAGIC &&
fhdr->f_magic != U802ROMAGIC &&
fhdr->f_magic != U802TOCMAGIC &&
fhdr->f_magic != U802TOMAGIC) {
DPRINTF("Not a XCOFF file %02x\n", fhdr->f_magic);
return;
}
/* Is it executable ? */
if (fhdr->f_magic != 0x01DF &&
(fhdr->f_flags & COFF_F_EXEC) == 0) {
DPRINTF("Not an executable XCOFF file %02x\n", fhdr->f_flags);
return;
}
/* Optional header is a.out ? */
if (fhdr->f_opthdr != sizeof(COFF_aouthdr_t)) {
DPRINTF("AOUT optional error size mismatch in XCOFF file\n");
return;
}
ahdr = (COFF_aouthdr_t*)(base + sizeof(COFF_filehdr_t));
/* check a.out magic number */
if (ahdr->magic != AOUT_MAGIC) {
DPRINTF("Invalid AOUT optional header\n");
return;
}
offset = sizeof(COFF_filehdr_t) + sizeof(COFF_aouthdr_t);
DPRINTF("XCOFF file with %d sections\n", fhdr->f_nscns);
for (i = 0; i < fhdr->f_nscns; i++) {
DPRINTF("Read header at offset %0x\n", offset);
shdr = (COFF_scnhdr_t*)(base + offset);
DPRINTF("Initializing '%s' section from %0x %0x to %0x (%0x)\n",
shdr->s_name, offset, shdr->s_scnptr,
shdr->s_vaddr, shdr->s_size);
if (strcmp(shdr->s_name, ".text") == 0) {
memcpy((char*)shdr->s_vaddr, base + shdr->s_scnptr,
shdr->s_size);
#ifdef CONFIG_PPC
flush_icache_range((char*)shdr->s_vaddr,
(char*)(shdr->s_vaddr + shdr->s_size));
#endif
} else if (strcmp(shdr->s_name, ".data") == 0) {
memcpy((char*)shdr->s_vaddr, base + shdr->s_scnptr,
shdr->s_size);
} else if (strcmp(shdr->s_name, ".bss") == 0) {
memset((void *)shdr->s_vaddr, 0, shdr->s_size);
} else {
DPRINTF(" Skip '%s' section\n", shdr->s_name);
}
offset += sizeof(COFF_scnhdr_t);
}
/* FIXME: should initialize saved-program-state. */
DPRINTF("XCOFF entry point: %x\n", *(uint32_t*)ahdr->entry);
PUSH(*(uint32_t*)ahdr->entry);
feval("xcoff-entry !");
feval("-1 state-valid !");
}
NODE_METHODS( xcoff_loader ) = {
{ "init-program", xcoff_loader_init_program },
{ "init-program", xcoff_init_program },
};
void xcoff_loader_init( void )