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openbios.patch-15-svn25.bz2 part II merge

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git-svn-id: svn://coreboot.org/openbios/openbios-devel@27 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Stefan Reinauer
2006-05-22 22:16:20 +00:00
parent 9bff6c0d34
commit 9283d9ebc8
9 changed files with 93 additions and 129 deletions
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26
arch/sparc32/aoutload.c
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@@ -57,16 +57,23 @@ int aout_load(struct sys_info *info, const char *filename, const char *cmdline)
int image_retval;
struct exec ehdr;
unsigned long start, size;
unsigned int offset;
image_name = image_version = 0;
if (!file_open(filename))
goto out;
if (lfile_read(&ehdr, sizeof ehdr) != sizeof ehdr) {
debug("Can't read a.out header\n");
retval = LOADER_NOT_SUPPORT;
goto out;
for (offset = 0; offset < 16 * 512; offset += 512) {
if (lfile_read(&ehdr, sizeof ehdr) != sizeof ehdr) {
debug("Can't read a.out header\n");
retval = LOADER_NOT_SUPPORT;
goto out;
}
if (!N_BADMAG(ehdr))
break;
file_seek(offset);
}
if (N_BADMAG(ehdr)) {
@@ -76,9 +83,9 @@ int aout_load(struct sys_info *info, const char *filename, const char *cmdline)
}
if (N_MAGIC(ehdr) == NMAGIC) {
size = N_DATADDR(ehdr) + ehdr.a_data;
size = addr_fixup(N_DATADDR(ehdr)) + addr_fixup(ehdr.a_data);
} else {
size = ehdr.a_text + ehdr.a_data;
size = addr_fixup(ehdr.a_text) + addr_fixup(ehdr.a_data);
}
start = 0x4000; // N_TXTADDR(ehdr);
@@ -88,7 +95,7 @@ int aout_load(struct sys_info *info, const char *filename, const char *cmdline)
printf("Loading a.out %s...\n", image_name ? image_name : "image");
file_seek(N_TXTOFF(ehdr));
file_seek(offset + N_TXTOFF(ehdr));
if (N_MAGIC(ehdr) == NMAGIC) {
if (lfile_read(start, ehdr.a_text) != ehdr.a_text) {
@@ -108,18 +115,19 @@ int aout_load(struct sys_info *info, const char *filename, const char *cmdline)
debug("Loaded %lu bytes\n", size);
debug("entry point is %#x\n", start);
debug("entry point is %#lx\n", start);
printf("Jumping to entry point...\n");
#if 1
{
extern unsigned int qemu_mem_size;
extern char boot_device;
void *init_openprom(unsigned long memsize, const char *cmdline, char boot_device);
int (*entry)(const void *romvec, int p2, int p3, int p4, int p5);
const void *romvec;
romvec = init_openprom(qemu_mem_size, cmdline, 'c');
romvec = init_openprom(qemu_mem_size, cmdline, boot_device);
entry = (void *) addr_fixup(start);
image_retval = entry(romvec, 0, 0, 0, 0);
}