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Code Issues Releases Wiki Activity

Move show_id to where it belongs

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And remove the unused force parameter.

Corresponding to flashrom svn r1569.

Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
This commit is contained in:
Stefan Tauner
2012-08-11 16:07:08 +00:00
parent 24c38dfd96
commit 37e8686284
4 changed files with 82 additions and 105 deletions
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80
cbtable.c
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@ -25,6 +25,7 @@
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include "flash.h"
#include "programmer.h"
@ -32,6 +33,9 @@
char *lb_part = NULL, *lb_vendor = NULL;
int partvendor_from_cbtable = 0;
static char *def_name = "DEFAULT";
static char *mainboard_vendor = NULL;
static char *mainboard_part = NULL;
/* Parse the [<vendor>:]<board> string specified by the user as part of
* -p internal:mainboard=[<vendor>:]<board> and set lb_vendor and lb_part
@ -56,6 +60,82 @@ void lb_vendor_dev_from_string(const char *boardstring)
free(tempstr);
}
int show_id(uint8_t *bios, int size)
{
unsigned int *walk;
unsigned int mb_part_offset, mb_vendor_offset;
char *mb_part, *mb_vendor;
mainboard_vendor = def_name;
mainboard_part = def_name;
walk = (unsigned int *)(bios + size - 0x10);
walk--;
if ((*walk) == 0 || ((*walk) & 0x3ff) != 0) {
/* We might have an NVIDIA chipset BIOS which stores the ID information somewhere else. */
walk = (unsigned int *)(bios + size - 0x80);
walk--;
}
/*
* Check if coreboot last image size is 0 or not a multiple of 1k or
* bigger than the chip or if the pointers to vendor ID or mainboard ID
* are outside the image of if the start of ID strings are nonsensical
* (nonprintable and not \0).
*/
mb_part_offset = *(walk - 1);
mb_vendor_offset = *(walk - 2);
if ((*walk) == 0 || ((*walk) & 0x3ff) != 0 || (*walk) > size ||
mb_part_offset > size || mb_vendor_offset > size) {
msg_pinfo("Flash image seems to be a legacy BIOS. Disabling coreboot-related checks.\n");
return 0;
}
mb_part = (char *)(bios + size - mb_part_offset);
mb_vendor = (char *)(bios + size - mb_vendor_offset);
if (!isprint((unsigned char)*mb_part) ||
!isprint((unsigned char)*mb_vendor)) {
msg_pinfo("Flash image seems to have garbage in the ID location. Disabling checks.\n");
return 0;
}
msg_pdbg("coreboot last image size (not ROM size) is %d bytes.\n", *walk);
mainboard_part = strdup(mb_part);
mainboard_vendor = strdup(mb_vendor);
msg_pdbg("Manufacturer: %s\n", mainboard_vendor);
msg_pdbg("Mainboard ID: %s\n", mainboard_part);
/* If these are not set, the coreboot table was not found. */
if (!lb_vendor || !lb_part) {
msg_pinfo("Note: If the following flash access fails, try "
"-p internal:mainboard=<vendor>:<mainboard>.\n");
return 0;
}
/* These comparisons are case insensitive to make things a little less user^Werror prone. */
if (!strcasecmp(mainboard_vendor, lb_vendor) &&
!strcasecmp(mainboard_part, lb_part)) {
msg_pdbg("This firmware image matches this mainboard.\n");
} else {
if (force_boardmismatch) {
msg_pinfo("WARNING: This firmware image does not "
"seem to fit to this machine - forcing it.\n");
} else {
msg_pinfo("ERROR: Your firmware image (%s:%s) does not appear to\n"
" be correct for the detected mainboard (%s:%s)\n\n"
"Override with -p internal:boardmismatch=force to ignore the board name\n"
"in the firmware image or override the detected mainboard with\n"
"-p internal:mainboard=<vendor>:<mainboard>.\n\n",
mainboard_vendor, mainboard_part, lb_vendor, lb_part);
return 1;
}
}
return 0;
}
static unsigned long compute_checksum(void *addr, unsigned long length)
{
uint8_t *ptr;