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Diffstat (limited to 'util/flashrom/layout.c')
-rw-r--r-- | util/flashrom/layout.c | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/util/flashrom/layout.c b/util/flashrom/layout.c deleted file mode 100644 index 87a52ad26f..0000000000 --- a/util/flashrom/layout.c +++ /dev/null @@ -1,231 +0,0 @@ -/* - * This file is part of the flashrom project. - * - * Copyright (C) 2005-2008 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 <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <ctype.h> -#include <stdint.h> -#include "flash.h" - -char *mainboard_vendor = NULL; -char *mainboard_part = NULL; -int romimages = 0; - -#define MAX_ROMLAYOUT 16 - -typedef struct { - unsigned int start; - unsigned int end; - unsigned int included; - char name[256]; -} romlayout_t; - -romlayout_t rom_entries[MAX_ROMLAYOUT]; - -static char *def_name = "DEFAULT"; - -int show_id(uint8_t *bios, int size, int force) -{ - 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 at a different location. - */ - 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) { - printf("Flash image seems to be a legacy BIOS. Disabling 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)) { - printf("Flash image seems to have garbage in the ID location." - " Disabling checks.\n"); - return 0; - } - - printf_debug("coreboot last image size " - "(not ROM size) is %d bytes.\n", *walk); - - mainboard_part = strdup(mb_part); - mainboard_vendor = strdup(mb_vendor); - printf_debug("Manufacturer: %s\n", mainboard_vendor); - printf_debug("Mainboard ID: %s\n", mainboard_part); - - /* - * If lb_vendor is not set, the coreboot table was - * not found. Nor was -m VENDOR:PART specified. - */ - if (!lb_vendor || !lb_part) { - printf("Note: If the following flash access fails, " - "try -m <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)) { - printf_debug("This firmware image matches this mainboard.\n"); - } else { - if (force) { - printf("WARNING: This firmware image does not " - "seem to fit to this machine - forcing it.\n"); - } else { - printf("ERROR: Your firmware image (%s:%s) does not " - "appear to\n be correct for the detected " - "mainboard (%s:%s)\n\nOverride with --force if you " - "are absolutely sure that you\nare using a correct " - "image for this mainboard or override\nthe detected " - "values with --mainboard <vendor>:<mainboard>.\n\n", - mainboard_vendor, mainboard_part, lb_vendor, - lb_part); - exit(1); - } - } - - return 0; -} - -int read_romlayout(char *name) -{ - FILE *romlayout; - char tempstr[256]; - int i; - - romlayout = fopen(name, "r"); - - if (!romlayout) { - fprintf(stderr, "ERROR: Could not open ROM layout (%s).\n", - name); - return -1; - } - - while (!feof(romlayout)) { - char *tstr1, *tstr2; - if (2 != fscanf(romlayout, "%s %s\n", tempstr, rom_entries[romimages].name)) - continue; -#if 0 - // fscanf does not like arbitrary comments like that :( later - if (tempstr[0] == '#') { - continue; - } -#endif - tstr1 = strtok(tempstr, ":"); - tstr2 = strtok(NULL, ":"); - if (!tstr1 || !tstr2) { - fprintf(stderr, "Error parsing layout file.\n"); - fclose(romlayout); - return 1; - } - rom_entries[romimages].start = strtol(tstr1, (char **)NULL, 16); - rom_entries[romimages].end = strtol(tstr2, (char **)NULL, 16); - rom_entries[romimages].included = 0; - romimages++; - } - - for (i = 0; i < romimages; i++) { - printf_debug("romlayout %08x - %08x named %s\n", - rom_entries[i].start, - rom_entries[i].end, rom_entries[i].name); - } - - fclose(romlayout); - - return 0; -} - -int find_romentry(char *name) -{ - int i; - - if (!romimages) - return -1; - - printf("Looking for \"%s\"... ", name); - - for (i = 0; i < romimages; i++) { - if (!strcmp(rom_entries[i].name, name)) { - rom_entries[i].included = 1; - printf("found.\n"); - return i; - } - } - printf("not found.\n"); // Not found. Error. - - return -1; -} - -int handle_romentries(uint8_t *buffer, uint8_t *content) -{ - int i; - - // This function does not safe flash write cycles. - // - // Also it does not cope with overlapping rom layout - // sections. - // example: - // 00000000:00008fff gfxrom - // 00009000:0003ffff normal - // 00040000:0007ffff fallback - // 00000000:0007ffff all - // - // If you'd specify -i all the included flag of all other - // sections is still 0, so no changes will be made to the - // flash. Same thing if you specify -i normal -i all only - // normal will be updated and the rest will be kept. - - for (i = 0; i < romimages; i++) { - - if (rom_entries[i].included) - continue; - - memcpy(buffer + rom_entries[i].start, - content + rom_entries[i].start, - rom_entries[i].end - rom_entries[i].start); - } - - return 0; -} |