* mtd - simple memory technology device manipulation tool
*
* Copyright (C) 2005 Waldemar Brodkorb <wbx@dass-it.de>,
- * Copyright (C) 2005-2009 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2005-2009 Felix Fietkau <nbd@nbd.name>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License v2
*/
#define _GNU_SOURCE
+#include <byteswap.h>
#include <limits.h>
#include <unistd.h>
#include <stdlib.h>
#define MAX_ARGS 8
#define JFFS2_DEFAULT_DIR "" /* directory name without /, empty means root dir */
+#define TRX_MAGIC 0x48445230 /* "HDR0" */
+#define SEAMA_MAGIC 0x5ea3a417
+
+#if !defined(__BYTE_ORDER)
+#error "Unknown byte order"
+#endif
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+#define cpu_to_be32(x) (x)
+#define be32_to_cpu(x) (x)
+#elif __BYTE_ORDER == __LITTLE_ENDIAN
+#define cpu_to_be32(x) bswap_32(x)
+#define be32_to_cpu(x) bswap_32(x)
+#else
+#error "Unsupported endianness"
+#endif
+
+enum mtd_image_format {
+ MTD_IMAGE_FORMAT_UNKNOWN,
+ MTD_IMAGE_FORMAT_TRX,
+ MTD_IMAGE_FORMAT_SEAMA,
+};
+
static char *buf = NULL;
static char *imagefile = NULL;
+static enum mtd_image_format imageformat = MTD_IMAGE_FORMAT_UNKNOWN;
static char *jffs2file = NULL, *jffs2dir = JFFS2_DEFAULT_DIR;
static int buflen = 0;
int quiet;
return 0;
}
-
static int
image_check(int imagefd, const char *mtd)
{
+ uint32_t magic;
int ret = 1;
- if (trx_check) {
- ret = trx_check(imagefd, mtd, buf, &buflen);
+ int bufread;
+
+ while (buflen < sizeof(magic)) {
+ bufread = read(imagefd, buf + buflen, sizeof(magic) - buflen);
+ if (bufread < 1)
+ break;
+
+ buflen += bufread;
+ }
+
+ if (buflen < sizeof(magic)) {
+ fprintf(stdout, "Could not get image magic\n");
+ return 0;
+ }
+
+ magic = ((uint32_t *)buf)[0];
+
+ if (be32_to_cpu(magic) == TRX_MAGIC)
+ imageformat = MTD_IMAGE_FORMAT_TRX;
+ else if (be32_to_cpu(magic) == SEAMA_MAGIC)
+ imageformat = MTD_IMAGE_FORMAT_SEAMA;
+
+ switch (imageformat) {
+ case MTD_IMAGE_FORMAT_TRX:
+ if (trx_check)
+ ret = trx_check(imagefd, mtd, buf, &buflen);
+ break;
+ case MTD_IMAGE_FORMAT_SEAMA:
+ break;
+ default:
+#ifdef target_brcm
+ if (!strcmp(mtd, "firmware"))
+ ret = 0;
+#endif
+ break;
}
return ret;
}
static int
-mtd_dump(const char *mtd, int size)
+mtd_dump(const char *mtd, int part_offset, int size)
{
int ret = 0, offset = 0;
int fd;
if (!size)
size = mtdsize;
+ if (part_offset)
+ lseek(fd, part_offset, SEEK_SET);
+
buf = malloc(erasesize);
if (!buf)
return -1;
if (quiet < 2)
fprintf(stderr, "Verifying %s against %s ...\n", mtd, file);
- if (stat(file, &s) || md5sum(file, f_md5)) {
+ if (stat(file, &s) || md5sum(file, f_md5) < 0) {
fprintf(stderr, "Failed to hash %s\n", file);
return -1;
}
if (!quiet)
fprintf(stderr, "\b\b\b ");
if (quiet < 2)
- fprintf(stderr, "\nAppending jffs2 data from %s to %s...", jffs2file, mtd);
+ fprintf(stderr, "\nAppending jffs2 data from %s to %s..\n.", jffs2file, mtd);
/* got an EOF marker - this is the place to add some jffs2 data */
skip = mtd_replace_jffs2(mtd, fd, e, jffs2file);
jffs2_replaced = 1;
offset = 0;
}
- if (jffs2_replaced && trx_fixup) {
- trx_fixup(fd, mtd);
+ if (jffs2_replaced) {
+ switch (imageformat) {
+ case MTD_IMAGE_FORMAT_TRX:
+ if (trx_fixup)
+ trx_fixup(fd, mtd);
+ break;
+ case MTD_IMAGE_FORMAT_SEAMA:
+ if (mtd_fixseama)
+ mtd_fixseama(mtd, 0, 0);
+ break;
+ default:
+ break;
+ }
}
if (!quiet)
" verify <imagefile>|- verify <imagefile> (use - for stdin) to device\n"
" write <imagefile>|- write <imagefile> (use - for stdin) to device\n"
" jffs2write <file> append <file> to the jffs2 partition on the device\n");
+ if (mtd_resetbc) {
+ fprintf(stderr,
+ " resetbc <device> reset the uboot boot counter\n");
+ }
if (mtd_fixtrx) {
fprintf(stderr,
" fixtrx fix the checksum in a trx header on first boot\n");
fprintf(stderr,
" -o offset offset of the image header in the partition(for fixtrx)\n");
}
+ if (mtd_fixtrx || mtd_fixseama) {
+ fprintf(stderr,
+ " -c datasize amount of data to be used for checksum calculation (for fixtrx / fixseama)\n");
+ }
fprintf(stderr,
#ifdef FIS_SUPPORT
" -F <part>[:<size>[:<entrypoint>]][,<part>...]\n"
int ch, i, boot, imagefd = 0, force, unlocked;
char *erase[MAX_ARGS], *device = NULL;
char *fis_layout = NULL;
- size_t offset = 0, part_offset = 0, dump_len = 0;
+ size_t offset = 0, data_size = 0, part_offset = 0, dump_len = 0;
enum {
CMD_ERASE,
CMD_WRITE,
CMD_FIXSEAMA,
CMD_VERIFY,
CMD_DUMP,
+ CMD_RESETBC,
} cmd = -1;
erase[0] = NULL;
#ifdef FIS_SUPPORT
"F:"
#endif
- "frnqe:d:s:j:p:o:l:")) != -1)
+ "frnqe:d:s:j:p:o:c:l:")) != -1)
switch (ch) {
case 'f':
force = 1;
}
break;
case 'o':
- if (!mtd_fixtrx) {
- fprintf(stderr, "-o: is not available on this platform\n");
- usage();
- }
errno = 0;
offset = strtoul(optarg, 0, 0);
if (errno) {
usage();
}
break;
+ case 'c':
+ errno = 0;
+ data_size = strtoul(optarg, 0, 0);
+ if (errno) {
+ fprintf(stderr, "-c: illegal numeric string\n");
+ usage();
+ }
+ break;
#ifdef FIS_SUPPORT
case 'F':
fis_layout = optarg;
} else if ((strcmp(argv[0], "erase") == 0) && (argc == 2)) {
cmd = CMD_ERASE;
device = argv[1];
+ } else if (((strcmp(argv[0], "resetbc") == 0) && (argc == 2)) && mtd_resetbc) {
+ cmd = CMD_RESETBC;
+ device = argv[1];
} else if (((strcmp(argv[0], "fixtrx") == 0) && (argc == 2)) && mtd_fixtrx) {
cmd = CMD_FIXTRX;
device = argv[1];
mtd_verify(device, imagefile);
break;
case CMD_DUMP:
- mtd_dump(device, dump_len);
+ mtd_dump(device, offset, dump_len);
break;
case CMD_ERASE:
if (!unlocked)
mtd_write_jffs2(device, imagefile, jffs2dir);
break;
case CMD_FIXTRX:
- if (mtd_fixtrx) {
- mtd_fixtrx(device, offset);
- }
+ if (mtd_fixtrx) {
+ mtd_fixtrx(device, offset, data_size);
+ }
+ break;
+ case CMD_RESETBC:
+ if (mtd_resetbc) {
+ mtd_resetbc(device);
+ }
+ break;
case CMD_FIXSEAMA:
if (mtd_fixseama)
- mtd_fixseama(device, 0);
+ mtd_fixseama(device, 0, data_size);
break;
}
projects / openwrt / openwrt.git / blobdiff