diff options
Diffstat (limited to 'flashrom.c')
| -rw-r--r-- | flashrom.c | 51 |
1 files changed, 45 insertions, 6 deletions
@@ -43,7 +43,7 @@ char *chip_to_probe = NULL; struct pci_access *pacc; /* For board and chipset_enable */ int exclude_start_page, exclude_end_page; -int force = 0, verbose = 0; +int verbose = 0; int fd_mem; struct pci_dev *pci_dev_find(uint16_t vendor, uint16_t device) @@ -99,7 +99,7 @@ int map_flash_registers(struct flashchip *flash) return 0; } -struct flashchip *probe_flash(struct flashchip *flash) +struct flashchip *probe_flash(struct flashchip *flash, int force) { volatile uint8_t *bios; unsigned long flash_baseaddr, size; @@ -111,7 +111,7 @@ struct flashchip *probe_flash(struct flashchip *flash) } printf_debug("Probing for %s %s, %d KB: ", flash->vendor, flash->name, flash->total_size); - if (!flash->probe) { + if (!flash->probe && !force) { printf_debug("failed! flashrom has no probe function for this flash chip.\n"); flash++; continue; @@ -150,7 +150,7 @@ struct flashchip *probe_flash(struct flashchip *flash) } flash->virtual_memory = bios; - if (flash->probe(flash) == 1) { + if (force || flash->probe(flash) == 1) { printf("Found chip \"%s %s\" (%d KB) at physical address 0x%lx.\n", flash->vendor, flash->name, flash->total_size, flash_baseaddr); @@ -251,6 +251,7 @@ int main(int argc, char *argv[]) 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__ @@ -413,7 +414,7 @@ int main(int argc, char *argv[]) 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); + flashes[i] = probe_flash(i ? flashes[i - 1] + 1 : flashchips, 0); if (!flashes[i]) for (i++; i < ARRAY_SIZE(flashes); i++) flashes[i] = NULL; @@ -427,6 +428,44 @@ int main(int argc, char *argv[]) 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); + } + 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); + + fwrite(buf, sizeof(char), size, image); + fclose(image); + printf("done\n"); + free(buf); + exit(0); + } // FIXME: flash writes stay enabled! exit(1); } @@ -522,7 +561,7 @@ int main(int argc, char *argv[]) } fread(buf, sizeof(char), size, image); - show_id(buf, size); + show_id(buf, size, force); fclose(image); } |
