/*
* 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
* Copyright (C) 2008,2009 Carl-Daniel Hailfinger
*
* 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 <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
#include <stdlib.h>
#include <getopt.h>
#include "flash.h"
#include "flashchips.h"
char *chip_to_probe = NULL;
int exclude_start_page, exclude_end_page;
int verbose = 0;
int programmer = PROGRAMMER_INTERNAL;
const struct programmer_entry programmer_table[] = {
{
.init = internal_init,
.shutdown = internal_shutdown,
.map_flash_region = physmap,
.unmap_flash_region = physunmap,
.chip_readb = internal_chip_readb,
.chip_readw = internal_chip_readw,
.chip_readl = internal_chip_readl,
.chip_readn = internal_chip_readn,
.chip_writeb = internal_chip_writeb,
.chip_writew = internal_chip_writew,
.chip_writel = internal_chip_writel,
.chip_writen = fallback_chip_writen,
.delay = internal_delay,
},
{
.init = dummy_init,
.shutdown = dummy_shutdown,
.map_flash_region = dummy_map,
.unmap_flash_region = dummy_unmap,
.chip_readb = dummy_chip_readb,
.chip_readw = dummy_chip_readw,
.chip_readl = dummy_chip_readl,
.chip_readn = dummy_chip_readn,
.chip_writeb = dummy_chip_writeb,
.chip_writew = dummy_chip_writew,
.chip_writel = dummy_chip_writel,
.chip_writen = dummy_chip_writen,
.delay = internal_delay,
},
{
.init = nic3com_init,
.shutdown = nic3com_shutdown,
.map_flash_region = fallback_map,
.unmap_flash_region = fallback_unmap,
.chip_readb = nic3com_chip_readb,
.chip_readw = fallback_chip_readw,
.chip_readl = fallback_chip_readl,
.chip_readn = fallback_chip_readn,
.chip_writeb = nic3com_chip_writeb,
.chip_writew = fallback_chip_writew,
.chip_writel = fallback_chip_writel,
.chip_writen = fallback_chip_writen,
.delay = internal_delay,
},
{
.init = satasii_init,
.shutdown = satasii_shutdown,
.map_flash_region = fallback_map,
.unmap_flash_region = fallback_unmap,
.chip_readb = satasii_chip_readb,
.chip_readw = fallback_chip_readw,
.chip_readl = fallback_chip_readl,
.chip_readn = fallback_chip_readn,
.chip_writeb = satasii_chip_writeb,
.chip_writew = fallback_chip_writew,
.chip_writel = fallback_chip_writel,
.chip_writen = fallback_chip_writen,
.delay = internal_delay,
},
{
.init = it87spi_init,
.shutdown = dummy_shutdown,
.map_flash_region = dummy_map,
.unmap_flash_region = dummy_unmap,
.chip_readb = dummy_chip_readb,
.chip_readw = fallback_chip_readw,
.chip_readl = fallback_chip_readl,
.chip_readn = fallback_chip_readn,
.chip_writeb = dummy_chip_writeb,
.chip_writew = fallback_chip_writew,
.chip_writel = fallback_chip_writel,
.chip_writen = fallback_chip_writen,
.delay = internal_delay,
},
{
.init = ft2232_spi_init,
.shutdown = dummy_shutdown,
.map_flash_region = dummy_map,
.unmap_flash_region = dummy_unmap,
.chip_readb = dummy_chip_readb,
.chip_readw = fallback_chip_readw,
.chip_readl = fallback_chip_readl,
.chip_readn = fallback_chip_readn,
.chip_writeb = dummy_chip_writeb,
.chip_writew = fallback_chip_writew,
.chip_writel = fallback_chip_writel,
.chip_writen = fallback_chip_writen,
.delay = internal_delay,
},
{},
};
int programmer_init(void)
{
return programmer_table[programmer].init();
}
int programmer_shutdown(void)
{
return programmer_table[programmer].shutdown();
}
void *programmer_map_flash_region(const char *descr, unsigned long phys_addr,
size_t len)
{
return programmer_table[programmer].map_flash_region(descr,
phys_addr, len);
}
void programmer_unmap_flash_region(void *virt_addr, size_t len)
{
programmer_table[programmer].unmap_flash_region(virt_addr, len);
}
void chip_writeb(uint8_t val, chipaddr addr)
{
programmer_table[programmer].chip_writeb(val, addr);
}
void chip_writew(uint16_t val, chipaddr addr)
{
programmer_table[programmer].chip_writew(val, addr);
}
void chip_writel(uint32_t val, chipaddr addr)
{
programmer_table[programmer].chip_writel(val, addr);
}
void chip_writen(uint8_t *buf, chipaddr addr, size_t len)
{
programmer_table[programmer].chip_writen(buf, addr, len);
}
uint8_t chip_readb(const chipaddr addr)
{
return programmer_table[programmer].chip_readb(addr);
}
uint16_t chip_readw(const chipaddr addr)
{
return programmer_table[programmer].chip_readw(addr);
}
uint32_t chip_readl(const chipaddr addr)
{
return programmer_table[programmer].chip_readl(addr);
}
void chip_readn(uint8_t *buf, chipaddr addr, size_t len)
{
programmer_table[programmer].chip_readn(buf, addr, len);
return;
}
void programmer_delay(int usecs)
{
programmer_table[programmer].delay(usecs);
}
void map_flash_registers(struct flashchip *flash)
{
size_t size = flash->total_size * 1024;
/* Flash registers live 4 MByte below the flash. */
flash->virtual_registers = (chipaddr)programmer_map_flash_region("flash chip registers", (0xFFFFFFFF - 0x400000 - size + 1), size);
}
int read_memmapped(struct flashchip *flash, uint8_t *buf, int start, int len)
{
chip_readn(buf, flash->virtual_memory + start, len);
return 0;
}
int min(int a, int b)
{
return (a < b) ? a : b;
}
int max(int a, int b)
{
return (a > b) ? a : b;
}
char *strcat_realloc(char *dest, const char *src)
{
dest = realloc(dest, strlen(dest) + strlen(src) + 1);
if (!dest)
return NULL;
strcat(dest, src);
return dest;
}
/* start is an offset to the base address of the flash chip */
int check_erased_range(struct flashchip *flash, int start, int len)
{
int ret;
uint8_t *cmpbuf = malloc(len);
if (!cmpbuf) {
fprintf(stderr, "Could not allocate memory!\n");
exit(1);
}
memset(cmpbuf, 0xff, len);
ret = verify_range(flash, cmpbuf, start, len, "ERASE");
free(cmpbuf);
return ret;
}
/**
* @cmpbuf buffer to compare against
* @start offset to the base address of the flash chip
* @len length of the verified area
* @message string to print in the "FAILED" message
* @return 0 for success, -1 for failure
*/
int verify_range(struct flashchip *flash, uint8_t *cmpbuf, int start, int len, char *message)
{
int i, j, starthere, lenhere, ret = 0;
chipaddr bios = flash->virtual_memory;
int page_size = flash->page_size;
uint8_t *readbuf = malloc(page_size);
if (!len)
goto out_free;
if (!readbuf) {
fprintf(stderr, "Could not allocate memory!\n");
exit(1);
}
if (start + len > flash->total_size * 1024) {
fprintf(stderr, "Error: %s called with start 0x%x + len 0x%x >"
" total_size 0x%x\n", __func__, start, len,
flash->total_size * 1024);
ret = -1;
goto out_free;
}
if (!message)
message = "VERIFY";
/* Warning: This loop has a very unusual condition and body.
* The loop needs to go through each page with at least one affected
* byte. The lowest page number is (start / page_size) since that
* division rounds down. The highest page number we want is the page
* where the last byte of the range lives. That last byte has the
* address (start + len - 1), thus the highest page number is
* (start + len - 1) / page_size. Since we want to include that last
* page as well, the loop condition uses <=.
*/
for (i = start / page_size; i <= (start + len - 1) / page_size; i++) {
/* Byte position of the first byte in the range in this page. */
starthere = max(start, i * page_size);
/* Length of bytes in the range in this page. */
lenhere = min(start + len, (i + 1) * page_size) - starthere;
chip_readn(readbuf, bios + starthere, lenhere);
for (j = 0; j < lenhere; j++) {
if (cmpbuf[starthere - start + j] != readbuf[j]) {
fprintf(stderr, "%s FAILED at 0x%08x! "
"Expected=0x%02x, Read=0x%02x\n",
message, starthere + j,
cmpbuf[starthere - start + j], readbuf[j]);
ret = -1;
goto out_free;
}
}
}
out_free:
free(readbuf);
return ret;
}
struct flashchip *probe_flash(struct flashchip *first_flash, int force)
{
struct flashchip *flash;
unsigned long base = 0, size;
char *tmp;
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;
}
if (!(buses_supported & flash->bustype)) {
tmp = flashbuses_to_text(buses_supported);
printf_debug("skipped. Host bus type %s ", tmp);
free(tmp);
tmp = flashbuses_to_text(flash->bustype);
printf_debug("and chip bus type %s are incompatible.\n", tmp);
free(tmp);
continue;
}
size = flash->total_size * 1024;
base = flashbase ? flashbase : (0xffffffff - size + 1);
flash->virtual_memory = (chipaddr)programmer_map_flash_region("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:
programmer_unmap_flash_region((void *)flash->virtual_memory, 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);
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) {
printf("FAILED!\n");
fprintf(stderr, "ERROR: flashrom has no read function for this flash chip.\n");
return 1;
} else
flash->read(flash, buf2, 0, total_size);
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 (!filename) {
printf("Error: No filename specified.\n");
return 1;
}
if ((image = fopen(filename, "w")) == NULL) {
perror(filename);
exit(1);
}
printf("Reading flash... ");
if (!flash->read) {
printf("FAILED!\n");
fprintf(stderr, "ERROR: flashrom has no read function for this flash chip.\n");
return 1;
} else
flash->read(flash, buf, 0, size);
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);
free(buf);
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);
/* FIXME: The lines below are superfluous. We should check the result
* of flash->erase(flash) instead.
*/
if (!flash->read) {
printf("FAILED!\n");
fprintf(stderr, "ERROR: flashrom has no read function for this flash chip.\n");
return 1;
} else
flash->read(flash, buf, 0, size);
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;
}
void usage(const char *name)
{
printf("usage: %s [-VfLhR] [-E|-r file|-w file|-v file] [-c chipname] [-s addr]\n"
" [-e addr] [-m [vendor:]part] [-l file] [-i image] [-p programmer] [file]\n\n",
name);
printf("Please note that the command line interface for flashrom will "
"change before\nflashrom 1.0. Do not use flashrom in scripts "
"or other automated tools without\nchecking that your flashrom"
" version won't interpret options in a different way.\n\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"
" -p | --programmer <name>: specify the programmer device\n"
" (internal, dummy, nic3com, satasii, it87spi, ft2232spi)\n"
" -h | --help: print this help text\n"
" -R | --version: print the version (release)\n"
"\nYou can specify one of -E, -r, -w, -v or no operation.\n"
"If no operation is specified, then all that happens"
" is that flash info is dumped.\n\n");
exit(1);
}
void print_version(void)
{
printf("flashrom v%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 list_supported = 0;
int operation_specified = 0;
int ret = 0, i;
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'},
{"programmer", 1, 0, 'p'},
{"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;
print_version();
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:p:Lh",
long_options, &option_index)) != EOF) {
switch (opt) {
case 'r':
if (++operation_specified > 1) {
fprintf(stderr, "More than one operation "
"specified. Aborting.\n");
exit(1);
}
read_it = 1;
break;
case 'w':
if (++operation_specified > 1) {
fprintf(stderr, "More than one operation "
"specified. Aborting.\n");
exit(1);
}
write_it = 1;
break;
case 'v':
if (++operation_specified > 1) {
fprintf(stderr, "More than one operation "
"specified. Aborting.\n");
exit(1);
}
verify_it = 1;
break;
case 'c':
chip_to_probe = strdup(optarg);
break;
case 'V':
verbose = 1;
break;
case 'E':
if (++operation_specified > 1) {
fprintf(stderr, "More than one operation "
"specified. Aborting.\n");
exit(1);
}
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':
list_supported = 1;
break;
case 'p':
if (strncmp(optarg, "internal", 8) == 0) {
programmer = PROGRAMMER_INTERNAL;
} else if (strncmp(optarg, "dummy", 5) == 0) {
programmer = PROGRAMMER_DUMMY;
if (optarg[5] == '=')
dummytype = strdup(optarg + 6);
} else if (strncmp(optarg, "nic3com", 7) == 0) {
programmer = PROGRAMMER_NIC3COM;
if (optarg[7] == '=')
pcidev_bdf = strdup(optarg + 8);
} else if (strncmp(optarg, "satasii", 7) == 0) {
programmer = PROGRAMMER_SATASII;
if (optarg[7] == '=')
pcidev_bdf = strdup(optarg + 8);
} else if (strncmp(optarg, "it87spi", 7) == 0) {
programmer = PROGRAMMER_IT87SPI;
} else if (strncmp(optarg, "ft2232spi", 9) == 0) {
programmer = PROGRAMMER_FT2232SPI;
} else {
printf("Error: Unknown programmer.\n");
exit(1);
}
break;
case 'R':
/* print_version() is always called during startup. */
exit(0);
break;
case 'h':
default:
usage(argv[0]);
break;
}
}
if (list_supported) {
print_supported_chips();
print_supported_chipsets();
print_supported_boards();
printf("\nSupported PCI devices flashrom can use "
"as programmer:\n\n");
print_supported_pcidevs(nics_3com);
print_supported_pcidevs(satas_sii);
exit(0);
}
if (read_it && write_it) {
printf("Error: -r and -w are mutually exclusive.\n");
usage(argv[0]);
}
if (optind < argc)
filename = argv[optind++];
ret = programmer_init();
myusec_calibrate_delay();
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);
}
return read_flash(flashes[0], filename, exclude_start_position, exclude_end_position);
}
// 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\nwork correctly for you with "
"this flash part. Please include the flashrom\noutput "
"with the additional -V option for all operations you "
"tested (-V, -rV,\n-wV, -EV), and mention which "
"mainboard you tested. Thanks for your help!\n===\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
*/
/* FIXME: This code is totally broken. It treats exclude ranges as include ranges. */
// ////////////////////////////////////////////////////////////
if (exclude_end_position - exclude_start_position > 0)
chip_readn(buf + exclude_start_position,
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.
/* FIXME: Adapt to the external flasher infrastructure. */
handle_romentries(buf, (uint8_t *) flash->virtual_memory);
// ////////////////////////////////////////////////////////////
if (write_it) {
printf("Writing flash chip... ");
if (!flash->write) {
fprintf(stderr, "Error: flashrom has no write function for this flash chip.\n");
return 1;
}
ret |= flash->write(flash, buf);
if (!ret) printf("COMPLETE.\n");
}
if (verify_it)
ret |= verify_flash(flash, buf);
programmer_shutdown();
return ret;
}