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Fix bug, add two new functions.

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Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://coreboot.org/repository/LinuxBIOSv3@70 f3766cd6-281f-0410-b1cd-43a5c92072e9
This commit is contained in:
Ronald G. Minnich 2007-02-22 13:45:13 +00:00
parent f6a9c4961f
commit 11fc6fdf71
1 changed files with 38 additions and 5 deletions
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43
lib/lar.c
View file

@ -22,6 +22,7 @@
#include <arch/types.h>
#include <string.h>
#include <lar.h>
#include <console/loglevel.h>
#ifndef CONFIG_BIG_ENDIAN
#define ntohl(x) ( ((x&0xff)<<24) | ((x&0xff00)<<8) | \
@ -34,19 +35,21 @@ int find_file(struct mem_file *archive, char *filename, struct mem_file *result)
{
char * walk, *fullname;
struct lar_header * header;
printk(BIOS_INFO, "filename is %s\n", filename);
printk(BIOS_INFO, "start 0x%x len 0x%x\n", archive->start, archive->len);
for (walk = archive->start; walk < (char *)archive->start +
archive->len; walk+=16) {
printk(BIOS_INFO, "in for loop *start is %x\n", *(unsigned long *) archive->start);
printk(BIOS_INFO, "walk is %s\n", walk);
if(strcmp(walk, MAGIC)!=0)
continue;
header=(struct lar_header *)walk;
fullname=walk+sizeof(struct lar_header);
printk(BIOS_INFO, "fullname is %s\n", fullname);
// FIXME: check checksum
if(strcmp(fullname, filename)!=0) {
if(strcmp(fullname, filename)==0) {
result->start=walk + ntohl(header->offset);
result->len=ntohl(header->len);
return 0;
@ -56,8 +59,38 @@ int find_file(struct mem_file *archive, char *filename, struct mem_file *result)
walk += ( ntohl(header->offset) + ntohl(header->len)
+ 15 ) & 0xfffffff0;
}
printk(BIOS_INFO, "return 1! walk %p archive->start %p start _+ len %p\n", walk, archive->start, (char *)archive->start +
archive->len);
return 1;
}
int copy_file(struct mem_file *archive, char *filename, void *where)
{
int ret;
struct mem_file result;
ret = find_file(archive, filename, &result);
if (ret) {
printk(BIOS_INFO, "copy_file: no such name %s\n", filename);
return 1;
}
memcpy(where, result.start, result.len);
return 0;
}
int run_file(struct mem_file *archive, char *filename, void *where)
{
int (*v)();
if (copy_file(archive, filename, where)){
printk(BIOS_INFO, "run file %s failed: ENOENT\n", filename);
return 1;
}
v = where;
return v();
}