aboutsummaryrefslogtreecommitdiff
path: root/util/flashrom/flashrom.c
diff options
context:
space:
mode:
Diffstat (limited to 'util/flashrom/flashrom.c')
-rw-r--r--util/flashrom/flashrom.c686
1 files changed, 0 insertions, 686 deletions
diff --git a/util/flashrom/flashrom.c b/util/flashrom/flashrom.c
deleted file mode 100644
index 8e1c3e44ed..0000000000
--- a/util/flashrom/flashrom.c
+++ /dev/null
@@ -1,686 +0,0 @@
-/*
- * This file is part of the flashrom project.
- *
- * Copyright (C) 2000 Silicon Integrated System Corporation
- * Copyright (C) 2004 Tyan Corp <yhlu@tyan.com>
- * Copyright (C) 2005-2008 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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 <errno.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <getopt.h>
-#include <pci/pci.h>
-/* for iopl */
-#if defined (__sun) && (defined(__i386) || defined(__amd64))
-#include <strings.h>
-#include <sys/sysi86.h>
-#include <sys/psw.h>
-#include <asm/sunddi.h>
-#endif
-#include "flash.h"
-
-char *chip_to_probe = NULL;
-struct pci_access *pacc; /* For board and chipset_enable */
-int exclude_start_page, exclude_end_page;
-int verbose = 0;
-
-struct pci_dev *pci_dev_find(uint16_t vendor, uint16_t device)
-{
- struct pci_dev *temp;
- struct pci_filter filter;
-
- pci_filter_init(NULL, &filter);
- filter.vendor = vendor;
- filter.device = device;
-
- for (temp = pacc->devices; temp; temp = temp->next)
- if (pci_filter_match(&filter, temp))
- return temp;
-
- return NULL;
-}
-
-struct pci_dev *pci_card_find(uint16_t vendor, uint16_t device,
- uint16_t card_vendor, uint16_t card_device)
-{
- struct pci_dev *temp;
- struct pci_filter filter;
-
- pci_filter_init(NULL, &filter);
- filter.vendor = vendor;
- filter.device = device;
-
- for (temp = pacc->devices; temp; temp = temp->next)
- if (pci_filter_match(&filter, temp)) {
- if ((card_vendor ==
- pci_read_word(temp, PCI_SUBSYSTEM_VENDOR_ID))
- && (card_device ==
- pci_read_word(temp, PCI_SUBSYSTEM_ID)))
- return temp;
- }
-
- return NULL;
-}
-
-void map_flash_registers(struct flashchip *flash)
-{
- size_t size = flash->total_size * 1024;
- flash->virtual_registers = physmap("flash chip registers", (0xFFFFFFFF - 0x400000 - size + 1), size);
-}
-
-struct flashchip *probe_flash(struct flashchip *first_flash, int force)
-{
- volatile uint8_t *bios;
- struct flashchip *flash;
- unsigned long base = 0, size;
-
- for (flash = first_flash; flash && flash->name; flash++) {
- if (chip_to_probe && strcmp(flash->name, chip_to_probe) != 0)
- continue;
- printf_debug("Probing for %s %s, %d KB: ",
- flash->vendor, flash->name, flash->total_size);
- if (!flash->probe && !force) {
- printf_debug("failed! flashrom has no probe function for this flash chip.\n");
- continue;
- }
-
- size = flash->total_size * 1024;
-
- /* If getpagesize() > size ->
- * "Can't mmap memory using /dev/mem: Invalid argument"
- * This should never happen as we don't support any flash chips
- * smaller than 4k or 8k (yet).
- */
-
- if (getpagesize() > size) {
- /*
- * if a flash size of 0 is mapped, we map a single page
- * so we can probe in that area whether we know the
- * vendor at least.
- */
- size = getpagesize();
- }
-
- base = flashbase && flashchips == first_flash ? flashbase : (0xffffffff - size + 1);
- flash->virtual_memory = bios = physmap("flash chip", base, size);
-
- if (force)
- break;
-
- if (flash->probe(flash) != 1)
- goto notfound;
-
- if (first_flash == flashchips
- || flash->model_id != GENERIC_DEVICE_ID)
- break;
-
-notfound:
- physunmap((void *)bios, size);
- }
-
- if (!flash || !flash->name)
- return NULL;
-
- printf("Found chip \"%s %s\" (%d KB) at physical address 0x%lx.\n",
- flash->vendor, flash->name, flash->total_size, base);
- flashbase = base;
- return flash;
-}
-
-int verify_flash(struct flashchip *flash, uint8_t *buf)
-{
- int idx;
- int total_size = flash->total_size * 1024;
- uint8_t *buf2 = (uint8_t *) calloc(total_size, sizeof(char));
- if (flash->read == NULL)
- memcpy(buf2, (const char *)flash->virtual_memory, total_size);
- else
- flash->read(flash, buf2);
-
- printf("Verifying flash... ");
-
- if (verbose)
- printf("address: 0x00000000\b\b\b\b\b\b\b\b\b\b");
-
- for (idx = 0; idx < total_size; idx++) {
- if (verbose && ((idx & 0xfff) == 0xfff))
- printf("0x%08x", idx);
-
- if (*(buf2 + idx) != *(buf + idx)) {
- if (verbose)
- printf("0x%08x FAILED!", idx);
- else
- printf("FAILED at 0x%08x!", idx);
- printf(" Expected=0x%02x, Read=0x%02x\n",
- *(buf + idx), *(buf2 + idx));
- return 1;
- }
-
- if (verbose && ((idx & 0xfff) == 0xfff))
- printf("\b\b\b\b\b\b\b\b\b\b");
- }
- if (verbose)
- printf("\b\b\b\b\b\b\b\b\b\b ");
-
- printf("VERIFIED. \n");
-
- return 0;
-}
-
-int read_flash(struct flashchip *flash, char *filename, unsigned int exclude_start_position, unsigned int exclude_end_position)
-{
- unsigned long numbytes;
- FILE *image;
- unsigned long size = flash->total_size * 1024;
- unsigned char *buf = calloc(size, sizeof(char));
- if ((image = fopen(filename, "w")) == NULL) {
- perror(filename);
- exit(1);
- }
- printf("Reading flash... ");
- if (flash->read == NULL)
- memcpy(buf, (const char *)flash->virtual_memory, size);
- else
- flash->read(flash, buf);
-
- if (exclude_end_position - exclude_start_position > 0)
- memset(buf + exclude_start_position, 0,
- exclude_end_position - exclude_start_position);
-
- numbytes = fwrite(buf, 1, size, image);
- fclose(image);
- printf("%s.\n", numbytes == size ? "done" : "FAILED");
- if (numbytes != size)
- return 1;
- return 0;
-}
-
-int erase_flash(struct flashchip *flash)
-{
- uint32_t erasedbytes;
- unsigned long size = flash->total_size * 1024;
- unsigned char *buf = calloc(size, sizeof(char));
- printf("Erasing flash chip... ");
- if (NULL == flash->erase) {
- printf("FAILED!\n");
- fprintf(stderr, "ERROR: flashrom has no erase function for this flash chip.\n");
- return 1;
- }
- flash->erase(flash);
- if (NULL == flash->read)
- memcpy(buf, (const char *)flash->virtual_memory, size);
- else
- flash->read(flash, buf);
- for (erasedbytes = 0; erasedbytes < size; erasedbytes++)
- if (0xff != buf[erasedbytes]) {
- printf("FAILED!\n");
- fprintf(stderr, "ERROR at 0x%08x: Expected=0xff, Read=0x%02x\n",
- erasedbytes, buf[erasedbytes]);
- return 1;
- }
- printf("SUCCESS.\n");
- return 0;
-}
-
-#ifndef MAX
-#define MAX(a, b) ((a) > (b) ? (a) : (b))
-#endif
-#define POS_PRINT(x) do { pos += strlen(x); printf(x); } while (0)
-
-void print_supported_chips(void)
-{
- int okcol = 0, pos = 0;
- struct flashchip *f;
-
- for (f = flashchips; f->name != NULL; f++) {
- if (GENERIC_DEVICE_ID == f->model_id)
- continue;
- okcol = MAX(okcol, strlen(f->vendor) + 1 + strlen(f->name));
- }
- okcol = (okcol + 7) & ~7;
-
- POS_PRINT("Supported flash chips:");
- while (pos < okcol) {
- printf("\t");
- pos += 8 - (pos % 8);
- }
- printf("Tested OK operations:\tKnown BAD operations:\n\n");
-
- for (f = flashchips; f->name != NULL; f++) {
- printf("%s %s", f->vendor, f->name);
- pos = strlen(f->vendor) + 1 + strlen(f->name);
- while (pos < okcol) {
- printf("\t");
- pos += 8 - (pos % 8);
- }
- if ((f->tested & TEST_OK_MASK)) {
- if ((f->tested & TEST_OK_PROBE))
- POS_PRINT("PROBE ");
- if ((f->tested & TEST_OK_READ))
- POS_PRINT("READ ");
- if ((f->tested & TEST_OK_ERASE))
- POS_PRINT("ERASE ");
- if ((f->tested & TEST_OK_WRITE))
- POS_PRINT("WRITE");
- }
- while (pos < okcol + 24) {
- printf("\t");
- pos += 8 - (pos % 8);
- }
- if ((f->tested & TEST_BAD_MASK)) {
- if ((f->tested & TEST_BAD_PROBE))
- printf("PROBE ");
- if ((f->tested & TEST_BAD_READ))
- printf("READ ");
- if ((f->tested & TEST_BAD_ERASE))
- printf("ERASE ");
- if ((f->tested & TEST_BAD_WRITE))
- printf("WRITE");
- }
- printf("\n");
- }
-}
-
-void usage(const char *name)
-{
- printf("usage: %s [-rwvEVfLhR] [-c chipname] [-s exclude_start]\n",
- name);
- printf(" [-e exclude_end] [-m [vendor:]part] [-l file.layout] [-i imagename] [file]\n");
- printf
- (" -r | --read: read flash and save into file\n"
- " -w | --write: write file into flash\n"
- " -v | --verify: verify flash against file\n"
- " -E | --erase: erase flash device\n"
- " -V | --verbose: more verbose output\n"
- " -c | --chip <chipname>: probe only for specified flash chip\n"
- " -s | --estart <addr>: exclude start position\n"
- " -e | --eend <addr>: exclude end postion\n"
- " -m | --mainboard <[vendor:]part>: override mainboard settings\n"
- " -f | --force: force write without checking image\n"
- " -l | --layout <file.layout>: read rom layout from file\n"
- " -i | --image <name>: only flash image name from flash layout\n"
- " -L | --list-supported: print supported devices\n"
- " -h | --help: print this help text\n"
- " -R | --version: print the version (release)\n"
- "\n" " If no file is specified, then all that happens"
- " is that flash info is dumped.\n\n");
- exit(1);
-}
-
-void print_version(void)
-{
- printf("flashrom r%s\n", FLASHROM_VERSION);
-}
-
-int main(int argc, char *argv[])
-{
- uint8_t *buf;
- unsigned long size, numbytes;
- FILE *image;
- /* Probe for up to three flash chips. */
- struct flashchip *flash, *flashes[3];
- int opt;
- int option_index = 0;
- int force = 0;
- int read_it = 0, write_it = 0, erase_it = 0, verify_it = 0;
- int ret = 0, i;
-#ifdef __FreeBSD__
- int io_fd;
-#endif
-
- static struct option long_options[] = {
- {"read", 0, 0, 'r'},
- {"write", 0, 0, 'w'},
- {"erase", 0, 0, 'E'},
- {"verify", 0, 0, 'v'},
- {"chip", 1, 0, 'c'},
- {"estart", 1, 0, 's'},
- {"eend", 1, 0, 'e'},
- {"mainboard", 1, 0, 'm'},
- {"verbose", 0, 0, 'V'},
- {"force", 0, 0, 'f'},
- {"layout", 1, 0, 'l'},
- {"image", 1, 0, 'i'},
- {"list-supported", 0, 0, 'L'},
- {"help", 0, 0, 'h'},
- {"version", 0, 0, 'R'},
- {0, 0, 0, 0}
- };
-
- char *filename = NULL;
-
- unsigned int exclude_start_position = 0, exclude_end_position = 0; // [x,y)
- char *tempstr = NULL, *tempstr2 = NULL;
-
- if (argc > 1) {
- /* Yes, print them. */
- int i;
- printf_debug("The arguments are:\n");
- for (i = 1; i < argc; ++i)
- printf_debug("%s\n", argv[i]);
- }
-
- setbuf(stdout, NULL);
- while ((opt = getopt_long(argc, argv, "rRwvVEfc:s:e:m:l:i:Lh",
- long_options, &option_index)) != EOF) {
- switch (opt) {
- case 'r':
- read_it = 1;
- break;
- case 'w':
- write_it = 1;
- break;
- case 'v':
- verify_it = 1;
- break;
- case 'c':
- chip_to_probe = strdup(optarg);
- break;
- case 'V':
- verbose = 1;
- break;
- case 'E':
- erase_it = 1;
- break;
- case 's':
- tempstr = strdup(optarg);
- sscanf(tempstr, "%x", &exclude_start_position);
- break;
- case 'e':
- tempstr = strdup(optarg);
- sscanf(tempstr, "%x", &exclude_end_position);
- break;
- case 'm':
- tempstr = strdup(optarg);
- strtok(tempstr, ":");
- tempstr2 = strtok(NULL, ":");
- if (tempstr2) {
- lb_vendor = tempstr;
- lb_part = tempstr2;
- } else {
- lb_vendor = NULL;
- lb_part = tempstr;
- }
- break;
- case 'f':
- force = 1;
- break;
- case 'l':
- tempstr = strdup(optarg);
- if (read_romlayout(tempstr))
- exit(1);
- break;
- case 'i':
- tempstr = strdup(optarg);
- find_romentry(tempstr);
- break;
- case 'L':
- print_supported_chips();
- print_supported_chipsets();
- print_supported_boards();
- exit(0);
- break;
- case 'R':
- print_version();
- exit(0);
- break;
- case 'h':
- default:
- usage(argv[0]);
- break;
- }
- }
-
- if (read_it && write_it) {
- printf("Error: -r and -w are mutually exclusive.\n");
- usage(argv[0]);
- }
-
- if (optind < argc)
- filename = argv[optind++];
-
- /* First get full io access */
-#if defined (__sun) && (defined(__i386) || defined(__amd64))
- if (sysi86(SI86V86, V86SC_IOPL, PS_IOPL) != 0) {
-#elif defined(__FreeBSD__)
- if ((io_fd = open("/dev/io", O_RDWR)) < 0) {
-#else
- if (iopl(3) != 0) {
-#endif
- fprintf(stderr, "ERROR: Could not get IO privileges (%s).\nYou need to be root.\n", strerror(errno));
- exit(1);
- }
-
- /* Initialize PCI access for flash enables */
- pacc = pci_alloc(); /* Get the pci_access structure */
- /* Set all options you want -- here we stick with the defaults */
- pci_init(pacc); /* Initialize the PCI library */
- pci_scan_bus(pacc); /* We want to get the list of devices */
-
- myusec_calibrate_delay();
-
- /* We look at the lbtable first to see if we need a
- * mainboard specific flash enable sequence.
- */
- coreboot_init();
-
- /* try to enable it. Failure IS an option, since not all motherboards
- * really need this to be done, etc., etc.
- */
- ret = chipset_flash_enable();
- if (ret == -2) {
- printf("WARNING: No chipset found. Flash detection "
- "will most likely fail.\n");
- }
-
- board_flash_enable(lb_vendor, lb_part);
-
- for (i = 0; i < ARRAY_SIZE(flashes); i++) {
- flashes[i] =
- probe_flash(i ? flashes[i - 1] + 1 : flashchips, 0);
- if (!flashes[i])
- for (i++; i < ARRAY_SIZE(flashes); i++)
- flashes[i] = NULL;
- }
-
- if (flashes[1]) {
- printf("Multiple flash chips were detected:");
- for (i = 0; i < ARRAY_SIZE(flashes) && flashes[i]; i++)
- printf(" %s", flashes[i]->name);
- printf("\nPlease specify which chip to use with the -c <chipname> option.\n");
- exit(1);
- } else if (!flashes[0]) {
- printf("No EEPROM/flash device found.\n");
- if (!force || !chip_to_probe) {
- printf("If you know which flash chip you have, and if this version of flashrom\n");
- printf("supports a similar flash chip, you can try to force read your chip. Run:\n");
- printf("flashrom -f -r -c similar_supported_flash_chip filename\n");
- printf("\n");
- printf("Note: flashrom can never write when the flash chip isn't found automatically.\n");
- }
- if (force && read_it && chip_to_probe) {
- printf("Force read (-f -r -c) requested, forcing chip probe success:\n");
- flashes[0] = probe_flash(flashchips, 1);
- if (!flashes[0]) {
- printf("flashrom does not support a flash chip named '%s'.\n", chip_to_probe);
- printf("Run flashrom -L to view the hardware supported in this flashrom version.\n");
- exit(1);
- }
- if (!filename) {
- printf("Error: No filename specified.\n");
- exit(1);
- }
- size = flashes[0]->total_size * 1024;
- buf = (uint8_t *) calloc(size, sizeof(char));
-
- if ((image = fopen(filename, "w")) == NULL) {
- perror(filename);
- exit(1);
- }
- printf("Force reading flash... ");
- if (!flashes[0]->read)
- memcpy(buf, (const char *)flashes[0]->virtual_memory, size);
- else
- flashes[0]->read(flashes[0], buf);
-
- if (exclude_end_position - exclude_start_position > 0)
- memset(buf + exclude_start_position, 0,
- exclude_end_position -
- exclude_start_position);
-
- numbytes = fwrite(buf, 1, size, image);
- fclose(image);
- printf("%s.\n", numbytes == size ? "done" : "FAILED");
- free(buf);
- return numbytes != size;
- }
- // FIXME: flash writes stay enabled!
- exit(1);
- }
-
- flash = flashes[0];
-
- if (TEST_OK_MASK != (flash->tested & TEST_OK_MASK)) {
- printf("===\n");
- if (flash->tested & TEST_BAD_MASK) {
- printf("This flash part has status NOT WORKING for operations:");
- if (flash->tested & TEST_BAD_PROBE)
- printf(" PROBE");
- if (flash->tested & TEST_BAD_READ)
- printf(" READ");
- if (flash->tested & TEST_BAD_ERASE)
- printf(" ERASE");
- if (flash->tested & TEST_BAD_WRITE)
- printf(" WRITE");
- printf("\n");
- }
- if ((!(flash->tested & TEST_BAD_PROBE) && !(flash->tested & TEST_OK_PROBE)) ||
- (!(flash->tested & TEST_BAD_READ) && !(flash->tested & TEST_OK_READ)) ||
- (!(flash->tested & TEST_BAD_ERASE) && !(flash->tested & TEST_OK_ERASE)) ||
- (!(flash->tested & TEST_BAD_WRITE) && !(flash->tested & TEST_OK_WRITE))) {
- printf("This flash part has status UNTESTED for operations:");
- if (!(flash->tested & TEST_BAD_PROBE) && !(flash->tested & TEST_OK_PROBE))
- printf(" PROBE");
- if (!(flash->tested & TEST_BAD_READ) && !(flash->tested & TEST_OK_READ))
- printf(" READ");
- if (!(flash->tested & TEST_BAD_ERASE) && !(flash->tested & TEST_OK_ERASE))
- printf(" ERASE");
- if (!(flash->tested & TEST_BAD_WRITE) && !(flash->tested & TEST_OK_WRITE))
- printf(" WRITE");
- printf("\n");
- }
- printf("Please email a report to flashrom@coreboot.org if any of the above operations\n");
- printf("work correctly for you with this flash part. Please include the full output\n");
- printf("from the program, including chipset found. Thank you for your help!\n");
- printf("===\n");
- }
-
- if (!(read_it | write_it | verify_it | erase_it)) {
- printf("No operations were specified.\n");
- // FIXME: flash writes stay enabled!
- exit(1);
- }
-
- if (!filename && !erase_it) {
- printf("Error: No filename specified.\n");
- // FIXME: flash writes stay enabled!
- exit(1);
- }
-
- size = flash->total_size * 1024;
- buf = (uint8_t *) calloc(size, sizeof(char));
-
- if (erase_it) {
- if (erase_flash(flash))
- return 1;
- } else if (read_it) {
- if (read_flash(flash, filename, exclude_start_position, exclude_end_position))
- return 1;
- } else {
- struct stat image_stat;
-
- if ((image = fopen(filename, "r")) == NULL) {
- perror(filename);
- exit(1);
- }
- if (fstat(fileno(image), &image_stat) != 0) {
- perror(filename);
- exit(1);
- }
- if (image_stat.st_size != flash->total_size * 1024) {
- fprintf(stderr, "Error: Image size doesn't match\n");
- exit(1);
- }
-
- numbytes = fread(buf, 1, size, image);
- show_id(buf, size, force);
- fclose(image);
- if (numbytes != size) {
- fprintf(stderr, "Error: Failed to read file. Got %ld bytes, wanted %ld!\n", numbytes, size);
- return 1;
- }
- }
-
- /* exclude range stuff. Nice idea, but at the moment it is only
- * supported in hardware by the pm49fl004 chips.
- * Instead of implementing this for all chips I suggest advancing
- * it to the rom layout feature below and drop exclude range
- * completely once all flash chips can do rom layouts. stepan
- */
-
- // ////////////////////////////////////////////////////////////
- if (exclude_end_position - exclude_start_position > 0)
- memcpy(buf + exclude_start_position,
- (const char *)flash->virtual_memory +
- exclude_start_position,
- exclude_end_position - exclude_start_position);
-
- exclude_start_page = exclude_start_position / flash->page_size;
- if ((exclude_start_position % flash->page_size) != 0) {
- exclude_start_page++;
- }
- exclude_end_page = exclude_end_position / flash->page_size;
- // ////////////////////////////////////////////////////////////
-
- // This should be moved into each flash part's code to do it
- // cleanly. This does the job.
- handle_romentries(buf, (uint8_t *) flash->virtual_memory);
-
- // ////////////////////////////////////////////////////////////
-
- if (write_it) {
- if (!flash->write) {
- fprintf(stderr, "Error: flashrom has no write function for this flash chip.\n");
- return 1;
- }
- ret |= flash->write(flash, buf);
- }
-
- if (verify_it)
- ret |= verify_flash(flash, buf);
-
-#ifdef __FreeBSD__
- close(io_fd);
-#endif
- return ret;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-13 14:02:21 +0000