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

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

View File

@@ -76,7 +76,8 @@ badseg:
}
static unsigned long process_image_notes(Elf_phdr *phdr, int phnum,
unsigned short *sum_ptr)
unsigned short *sum_ptr,
unsigned int offset)
{
int i;
char *buf = NULL;
@@ -90,7 +91,7 @@ static unsigned long process_image_notes(Elf_phdr *phdr, int phnum,
if (phdr[i].p_type != PT_NOTE)
continue;
buf = malloc(phdr[i].p_filesz);
file_seek(phdr[i].p_offset);
file_seek(offset + phdr[i].p_offset);
if (lfile_read(buf, phdr[i].p_filesz) != phdr[i].p_filesz) {
printf("Can't read note segment\n");
goto out;
@@ -132,7 +133,8 @@ out:
}
static int load_segments(Elf_phdr *phdr, int phnum,
unsigned long checksum_offset)
unsigned long checksum_offset,
unsigned int offset)
{
unsigned long bytes;
//unsigned int start_time, time;
@@ -145,7 +147,7 @@ static int load_segments(Elf_phdr *phdr, int phnum,
continue;
debug("segment %d addr:%#x file:%#x mem:%#x ",
i, addr_fixup(phdr[i].p_paddr), phdr[i].p_filesz, phdr[i].p_memsz);
file_seek(phdr[i].p_offset);
file_seek(offset + phdr[i].p_offset);
debug("loading... ");
if (lfile_read(phys_to_virt(addr_fixup(phdr[i].p_paddr)), phdr[i].p_filesz)
!= phdr[i].p_filesz) {
@@ -309,16 +311,24 @@ int elf_load(struct sys_info *info, const char *filename, const char *cmdline)
Elf_Bhdr *boot_notes = NULL;
int retval = -1;
int image_retval;
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 ELF 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 ELF header\n");
retval = LOADER_NOT_SUPPORT;
goto out;
}
if (ehdr.e_ident[EI_MAG0] == ELFMAG0)
break;
file_seek(offset);
}
if (ehdr.e_ident[EI_MAG0] != ELFMAG0
@@ -339,7 +349,7 @@ int elf_load(struct sys_info *info, const char *filename, const char *cmdline)
phdr_size = ehdr.e_phnum * sizeof *phdr;
phdr = malloc(phdr_size);
file_seek(ehdr.e_phoff);
file_seek(offset + ehdr.e_phoff);
if (lfile_read(phdr, phdr_size) != phdr_size) {
printf("Can't read program header\n");
goto out;
@@ -348,14 +358,14 @@ int elf_load(struct sys_info *info, const char *filename, const char *cmdline)
if (!check_mem_ranges(info, phdr, ehdr.e_phnum))
goto out;
checksum_offset = process_image_notes(phdr, ehdr.e_phnum, &checksum);
checksum_offset = process_image_notes(phdr, ehdr.e_phnum, &checksum, offset);
printf("Loading %s", image_name ? image_name : "image");
if (image_version)
printf(" version %s", image_version);
printf("...\n");
if (!load_segments(phdr, ehdr.e_phnum, checksum_offset))
if (!load_segments(phdr, ehdr.e_phnum, checksum_offset, offset))
goto out;
if (checksum_offset) {
@@ -373,12 +383,13 @@ int elf_load(struct sys_info *info, const char *filename, const char *cmdline)
#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(ehdr.e_entry);
image_retval = entry(romvec, 0, 0, 0, 0);
}