mirror of
https://github.com/fail0verflow/switch-coreboot.git
synced 2025-05-04 01:39:18 -04:00
c275218a89
accordance to the newboot document: * reset vector (16 bytes) * vpd (240bytes) * boot block (8k - 256b) * lar archive (256-8 k) The boot block is kind of simple, still. It enables pmode, car, and starts looking for an initram module in the lar archive. Note: This doesnt do much at the moment, as gas seems to produce buggy code in init.S. Take this as a suggestion of how it might work and please provide patches fixing it and bringing it into shape. Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Ronald G. Minnich <rminnich@gmail.com> git-svn-id: svn://coreboot.org/repository/LinuxBIOSv3@62 f3766cd6-281f-0410-b1cd-43a5c92072e9
63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
/*
|
|
* lar - LinuxBIOS archiver
|
|
*
|
|
* Copright (C) 2006-2007 coresystems GmbH
|
|
* Written by Stefan Reinauer <stepan@coresystems.de> for coresystems GmbH
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; version 2 of the License.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
|
|
*
|
|
*/
|
|
|
|
#include <arch/types.h>
|
|
#include <string.h>
|
|
#include <lar.h>
|
|
|
|
#ifndef CONFIG_BIG_ENDIAN
|
|
#define ntohl(x) ( ((x&0xff)<<24) | ((x&0xff00)<<8) | \
|
|
((x&0xff0000) >> 8) | ((x&0xff000000) >> 24) )
|
|
#else
|
|
#define ntohl(x) (x)
|
|
#endif
|
|
|
|
int find_file(struct mem_file *archive, char *filename, struct mem_file *result)
|
|
{
|
|
char * walk, *fullname;
|
|
struct lar_header * header;
|
|
|
|
for (walk = archive->start; walk < (char *)archive->start +
|
|
archive->len; walk+=16) {
|
|
|
|
if(strcmp(walk, MAGIC)!=0)
|
|
continue;
|
|
|
|
header=(struct lar_header *)walk;
|
|
fullname=walk+sizeof(struct lar_header);
|
|
|
|
// FIXME: check checksum
|
|
|
|
if(strcmp(fullname, filename)!=0) {
|
|
result->start=walk + ntohl(header->offset);
|
|
result->len=ntohl(header->len);
|
|
return 0;
|
|
}
|
|
|
|
// skip file
|
|
walk += ( ntohl(header->offset) + ntohl(header->len)
|
|
+ 15 ) & 0xfffffff0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
|