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- /*
- * mtd - simple memory technology device manipulation tool
- *
- * Copyright (C) 2005 Waldemar Brodkorb <wbx@dass-it.de>,
- * 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
- * as published by the Free Software Foundation.
- *
- * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- *
- * The code is based on the linux-mtd examples.
- */
- #define _GNU_SOURCE
- #include <byteswap.h>
- #include <endian.h>
- #include <limits.h>
- #include <unistd.h>
- #include <stdlib.h>
- #include <stdio.h>
- #include <stdint.h>
- #include <signal.h>
- #include <sys/ioctl.h>
- #include <sys/syscall.h>
- #include <fcntl.h>
- #include <errno.h>
- #include <time.h>
- #include <string.h>
- #include <sys/ioctl.h>
- #include <sys/types.h>
- #include <sys/param.h>
- #include <sys/mount.h>
- #include <sys/stat.h>
- #include <sys/reboot.h>
- #include <linux/reboot.h>
- #include <mtd/mtd-user.h>
- #include "fis.h"
- #include "mtd.h"
- #include <libubox/md5.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
- #define WRG_MAGIC 0x20040220
- #define WRGG03_MAGIC 0x20080321
- #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)
- #define le32_to_cpu(x) bswap_32(x)
- #elif __BYTE_ORDER == __LITTLE_ENDIAN
- #define cpu_to_be32(x) bswap_32(x)
- #define be32_to_cpu(x) bswap_32(x)
- #define le32_to_cpu(x) (x)
- #else
- #error "Unsupported endianness"
- #endif
- enum mtd_image_format {
- MTD_IMAGE_FORMAT_UNKNOWN,
- MTD_IMAGE_FORMAT_TRX,
- MTD_IMAGE_FORMAT_SEAMA,
- MTD_IMAGE_FORMAT_WRG,
- MTD_IMAGE_FORMAT_WRGG03,
- };
- 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;
- int no_erase;
- int mtdsize = 0;
- int erasesize = 0;
- int jffs2_skip_bytes=0;
- int mtdtype = 0;
- int mtd_open(const char *mtd, bool block)
- {
- FILE *fp;
- char dev[PATH_MAX];
- int i;
- int ret;
- int flags = O_RDWR | O_SYNC;
- char name[PATH_MAX];
- snprintf(name, sizeof(name), "\"%s\"", mtd);
- if ((fp = fopen("/proc/mtd", "r"))) {
- while (fgets(dev, sizeof(dev), fp)) {
- if (sscanf(dev, "mtd%d:", &i) && strstr(dev, name)) {
- snprintf(dev, sizeof(dev), "/dev/mtd%s/%d", (block ? "block" : ""), i);
- if ((ret=open(dev, flags))<0) {
- snprintf(dev, sizeof(dev), "/dev/mtd%s%d", (block ? "block" : ""), i);
- ret=open(dev, flags);
- }
- fclose(fp);
- return ret;
- }
- }
- fclose(fp);
- }
- return open(mtd, flags);
- }
- int mtd_check_open(const char *mtd)
- {
- struct mtd_info_user mtdInfo;
- int fd;
- fd = mtd_open(mtd, false);
- if(fd < 0) {
- fprintf(stderr, "Could not open mtd device: %s\n", mtd);
- return -1;
- }
- if(ioctl(fd, MEMGETINFO, &mtdInfo)) {
- fprintf(stderr, "Could not get MTD device info from %s\n", mtd);
- close(fd);
- return -1;
- }
- mtdsize = mtdInfo.size;
- erasesize = mtdInfo.erasesize;
- mtdtype = mtdInfo.type;
- return fd;
- }
- int mtd_block_is_bad(int fd, int offset)
- {
- int r = 0;
- loff_t o = offset;
- if (mtdtype == MTD_NANDFLASH)
- {
- r = ioctl(fd, MEMGETBADBLOCK, &o);
- if (r < 0)
- {
- fprintf(stderr, "Failed to get erase block status\n");
- exit(1);
- }
- }
- return r;
- }
- int mtd_erase_block(int fd, int offset)
- {
- struct erase_info_user mtdEraseInfo;
- mtdEraseInfo.start = offset;
- mtdEraseInfo.length = erasesize;
- ioctl(fd, MEMUNLOCK, &mtdEraseInfo);
- if (ioctl (fd, MEMERASE, &mtdEraseInfo) < 0)
- return -1;
- return 0;
- }
- int mtd_write_buffer(int fd, const char *buf, int offset, int length)
- {
- lseek(fd, offset, SEEK_SET);
- write(fd, buf, length);
- return 0;
- }
- static int
- image_check(int imagefd, const char *mtd)
- {
- uint32_t magic;
- int ret = 1;
- 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;
- else if (le32_to_cpu(magic) == WRG_MAGIC)
- imageformat = MTD_IMAGE_FORMAT_WRG;
- else if (le32_to_cpu(magic) == WRGG03_MAGIC)
- imageformat = MTD_IMAGE_FORMAT_WRGG03;
- switch (imageformat) {
- case MTD_IMAGE_FORMAT_TRX:
- if (trx_check)
- ret = trx_check(imagefd, mtd, buf, &buflen);
- break;
- case MTD_IMAGE_FORMAT_SEAMA:
- case MTD_IMAGE_FORMAT_WRG:
- case MTD_IMAGE_FORMAT_WRGG03:
- break;
- default:
- #ifdef target_brcm
- if (!strcmp(mtd, "firmware"))
- ret = 0;
- #endif
- break;
- }
- return ret;
- }
- static int mtd_check(const char *mtd)
- {
- char *next = NULL;
- char *str = NULL;
- int fd;
- if (strchr(mtd, ':')) {
- str = strdup(mtd);
- mtd = str;
- }
- do {
- next = strchr(mtd, ':');
- if (next) {
- *next = 0;
- next++;
- }
- fd = mtd_check_open(mtd);
- if (fd < 0)
- return 0;
- if (!buf)
- buf = malloc(erasesize);
- close(fd);
- mtd = next;
- } while (next);
- if (str)
- free(str);
- return 1;
- }
- static int
- mtd_unlock(const char *mtd)
- {
- struct erase_info_user mtdLockInfo;
- char *next = NULL;
- char *str = NULL;
- int fd;
- if (strchr(mtd, ':')) {
- str = strdup(mtd);
- mtd = str;
- }
- do {
- next = strchr(mtd, ':');
- if (next) {
- *next = 0;
- next++;
- }
- fd = mtd_check_open(mtd);
- if(fd < 0) {
- fprintf(stderr, "Could not open mtd device: %s\n", mtd);
- exit(1);
- }
- if (quiet < 2)
- fprintf(stderr, "Unlocking %s ...\n", mtd);
- mtdLockInfo.start = 0;
- mtdLockInfo.length = mtdsize;
- ioctl(fd, MEMUNLOCK, &mtdLockInfo);
- close(fd);
- mtd = next;
- } while (next);
- if (str)
- free(str);
- return 0;
- }
- static int
- mtd_erase(const char *mtd)
- {
- int fd;
- struct erase_info_user mtdEraseInfo;
- if (quiet < 2)
- fprintf(stderr, "Erasing %s ...\n", mtd);
- fd = mtd_check_open(mtd);
- if(fd < 0) {
- fprintf(stderr, "Could not open mtd device: %s\n", mtd);
- exit(1);
- }
- mtdEraseInfo.length = erasesize;
- for (mtdEraseInfo.start = 0;
- mtdEraseInfo.start < mtdsize;
- mtdEraseInfo.start += erasesize) {
- if (mtd_block_is_bad(fd, mtdEraseInfo.start)) {
- if (!quiet)
- fprintf(stderr, "\nSkipping bad block at 0x%x ", mtdEraseInfo.start);
- } else {
- ioctl(fd, MEMUNLOCK, &mtdEraseInfo);
- if(ioctl(fd, MEMERASE, &mtdEraseInfo))
- fprintf(stderr, "Failed to erase block on %s at 0x%x\n", mtd, mtdEraseInfo.start);
- }
- }
- close(fd);
- return 0;
- }
- static int
- mtd_dump(const char *mtd, int part_offset, int size)
- {
- int ret = 0, offset = 0;
- int fd;
- char *buf;
- if (quiet < 2)
- fprintf(stderr, "Dumping %s ...\n", mtd);
- fd = mtd_check_open(mtd);
- if(fd < 0) {
- fprintf(stderr, "Could not open mtd device: %s\n", mtd);
- return -1;
- }
- if (!size)
- size = mtdsize;
- if (part_offset)
- lseek(fd, part_offset, SEEK_SET);
- buf = malloc(erasesize);
- if (!buf)
- return -1;
- do {
- int len = (size > erasesize) ? (erasesize) : (size);
- int rlen = read(fd, buf, len);
- if (rlen < 0) {
- if (errno == EINTR)
- continue;
- ret = -1;
- goto out;
- }
- if (!rlen || rlen != len)
- break;
- if (mtd_block_is_bad(fd, offset)) {
- fprintf(stderr, "skipping bad block at 0x%08x\n", offset);
- } else {
- size -= rlen;
- write(1, buf, rlen);
- }
- offset += rlen;
- } while (size > 0);
- out:
- close(fd);
- return ret;
- }
- static int
- mtd_verify(const char *mtd, char *file)
- {
- uint32_t f_md5[4], m_md5[4];
- struct stat s;
- md5_ctx_t ctx;
- int ret = 0;
- int fd;
- if (quiet < 2)
- fprintf(stderr, "Verifying %s against %s ...\n", mtd, file);
- if (stat(file, &s) || md5sum(file, f_md5) < 0) {
- fprintf(stderr, "Failed to hash %s\n", file);
- return -1;
- }
- fd = mtd_check_open(mtd);
- if(fd < 0) {
- fprintf(stderr, "Could not open mtd device: %s\n", mtd);
- return -1;
- }
- md5_begin(&ctx);
- do {
- char buf[256];
- int len = (s.st_size > sizeof(buf)) ? (sizeof(buf)) : (s.st_size);
- int rlen = read(fd, buf, len);
- if (rlen < 0) {
- if (errno == EINTR)
- continue;
- ret = -1;
- goto out;
- }
- if (!rlen)
- break;
- md5_hash(buf, rlen, &ctx);
- s.st_size -= rlen;
- } while (s.st_size > 0);
- md5_end(m_md5, &ctx);
- fprintf(stderr, "%08x%08x%08x%08x - %s\n", m_md5[0], m_md5[1], m_md5[2], m_md5[3], mtd);
- fprintf(stderr, "%08x%08x%08x%08x - %s\n", f_md5[0], f_md5[1], f_md5[2], f_md5[3], file);
- ret = memcmp(f_md5, m_md5, sizeof(m_md5));
- if (!ret)
- fprintf(stderr, "Success\n");
- else
- fprintf(stderr, "Failed\n");
- out:
- close(fd);
- return ret;
- }
- static void
- indicate_writing(const char *mtd)
- {
- if (quiet < 2)
- fprintf(stderr, "\nWriting from %s to %s ... ", imagefile, mtd);
- if (!quiet)
- fprintf(stderr, " [ ]");
- }
- static int
- mtd_write(int imagefd, const char *mtd, char *fis_layout, size_t part_offset)
- {
- char *next = NULL;
- char *str = NULL;
- int fd, result;
- ssize_t r, w, e;
- ssize_t skip = 0;
- uint32_t offset = 0;
- int jffs2_replaced = 0;
- int skip_bad_blocks = 0;
- #ifdef FIS_SUPPORT
- static struct fis_part new_parts[MAX_ARGS];
- static struct fis_part old_parts[MAX_ARGS];
- int n_new = 0, n_old = 0;
- if (fis_layout) {
- const char *tmp = mtd;
- char *word, *brkt;
- int ret;
- memset(&old_parts, 0, sizeof(old_parts));
- memset(&new_parts, 0, sizeof(new_parts));
- do {
- next = strchr(tmp, ':');
- if (!next)
- next = (char *) tmp + strlen(tmp);
- memcpy(old_parts[n_old].name, tmp, next - tmp);
- n_old++;
- tmp = next + 1;
- } while(*next);
- for (word = strtok_r(fis_layout, ",", &brkt);
- word;
- word = strtok_r(NULL, ",", &brkt)) {
- tmp = strtok(word, ":");
- strncpy((char *) new_parts[n_new].name, tmp, sizeof(new_parts[n_new].name) - 1);
- tmp = strtok(NULL, ":");
- if (!tmp)
- goto next;
- new_parts[n_new].size = strtoul(tmp, NULL, 0);
- tmp = strtok(NULL, ":");
- if (!tmp)
- goto next;
- new_parts[n_new].loadaddr = strtoul(tmp, NULL, 16);
- next:
- n_new++;
- }
- ret = fis_validate(old_parts, n_old, new_parts, n_new);
- if (ret < 0) {
- fprintf(stderr, "Failed to validate the new FIS partition table\n");
- exit(1);
- }
- if (ret == 0)
- fis_layout = NULL;
- }
- #endif
- if (strchr(mtd, ':')) {
- str = strdup(mtd);
- mtd = str;
- }
- r = 0;
- resume:
- next = strchr(mtd, ':');
- if (next) {
- *next = 0;
- next++;
- }
- fd = mtd_check_open(mtd);
- if(fd < 0) {
- fprintf(stderr, "Could not open mtd device: %s\n", mtd);
- exit(1);
- }
- if (part_offset > 0) {
- fprintf(stderr, "Seeking on mtd device '%s' to: %zu\n", mtd, part_offset);
- lseek(fd, part_offset, SEEK_SET);
- }
- indicate_writing(mtd);
- w = e = 0;
- for (;;) {
- /* buffer may contain data already (from trx check or last mtd partition write attempt) */
- while (buflen < erasesize) {
- r = read(imagefd, buf + buflen, erasesize - buflen);
- if (r < 0) {
- if ((errno == EINTR) || (errno == EAGAIN))
- continue;
- else {
- perror("read");
- break;
- }
- }
- if (r == 0)
- break;
- buflen += r;
- }
- if (buflen == 0)
- break;
- if (buflen < erasesize) {
- /* Pad block to eraseblock size */
- memset(&buf[buflen], 0xff, erasesize - buflen);
- buflen = erasesize;
- }
- if (skip > 0) {
- skip -= buflen;
- buflen = 0;
- if (skip <= 0)
- indicate_writing(mtd);
- continue;
- }
- if (jffs2file && w >= jffs2_skip_bytes) {
- if (memcmp(buf, JFFS2_EOF, sizeof(JFFS2_EOF) - 1) == 0) {
- if (!quiet)
- fprintf(stderr, "\b\b\b ");
- if (quiet < 2)
- 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;
- /* don't add it again */
- jffs2file = NULL;
- w += skip;
- e += skip;
- skip -= buflen;
- buflen = 0;
- offset = 0;
- continue;
- }
- /* no EOF marker, make sure we figure out the last inode number
- * before appending some data */
- mtd_parse_jffs2data(buf, jffs2dir);
- }
- /* need to erase the next block before writing data to it */
- if(!no_erase)
- {
- while (w + buflen > e - skip_bad_blocks) {
- if (!quiet)
- fprintf(stderr, "\b\b\b[e]");
- if (mtd_block_is_bad(fd, e)) {
- if (!quiet)
- fprintf(stderr, "\nSkipping bad block at 0x%08zx ", e);
- skip_bad_blocks += erasesize;
- e += erasesize;
- // Move the file pointer along over the bad block.
- lseek(fd, erasesize, SEEK_CUR);
- continue;
- }
- if (mtd_erase_block(fd, e) < 0) {
- if (next) {
- if (w < e) {
- write(fd, buf + offset, e - w);
- offset = e - w;
- }
- w = 0;
- e = 0;
- close(fd);
- mtd = next;
- fprintf(stderr, "\b\b\b \n");
- goto resume;
- } else {
- fprintf(stderr, "Failed to erase block\n");
- exit(1);
- }
- }
- /* erase the chunk */
- e += erasesize;
- }
- }
- if (!quiet)
- fprintf(stderr, "\b\b\b[w]");
- if ((result = write(fd, buf + offset, buflen)) < buflen) {
- if (result < 0) {
- fprintf(stderr, "Error writing image.\n");
- exit(1);
- } else {
- fprintf(stderr, "Insufficient space.\n");
- exit(1);
- }
- }
- w += buflen;
- buflen = 0;
- offset = 0;
- }
- 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;
- case MTD_IMAGE_FORMAT_WRG:
- if (mtd_fixwrg)
- mtd_fixwrg(mtd, 0, 0);
- break;
- case MTD_IMAGE_FORMAT_WRGG03:
- if (mtd_fixwrgg)
- mtd_fixwrgg(mtd, 0, 0);
- break;
- default:
- break;
- }
- }
- if (!quiet)
- fprintf(stderr, "\b\b\b\b ");
- if (quiet < 2)
- fprintf(stderr, "\n");
- #ifdef FIS_SUPPORT
- if (fis_layout) {
- if (fis_remap(old_parts, n_old, new_parts, n_new) < 0)
- fprintf(stderr, "Failed to update the FIS partition table\n");
- }
- #endif
- close(fd);
- return 0;
- }
- static void usage(void)
- {
- fprintf(stderr, "Usage: mtd [<options> ...] <command> [<arguments> ...] <device>[:<device>...]\n\n"
- "The device is in the format of mtdX (eg: mtd4) or its label.\n"
- "mtd recognizes these commands:\n"
- " unlock unlock the device\n"
- " refresh refresh mtd partition\n"
- " erase erase all data on device\n"
- " 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");
- }
- if (mtd_fixseama) {
- fprintf(stderr,
- " fixseama fix the checksum in a seama header on first boot\n");
- }
- if (mtd_fixwrg) {
- fprintf(stderr,
- " fixwrg fix the checksum in a wrg header on first boot\n");
- }
- if (mtd_fixwrgg) {
- fprintf(stderr,
- " fixwrgg fix the checksum in a wrgg header on first boot\n");
- }
- fprintf(stderr,
- "Following options are available:\n"
- " -q quiet mode (once: no [w] on writing,\n"
- " twice: no status messages)\n"
- " -n write without first erasing the blocks\n"
- " -r reboot after successful command\n"
- " -f force write without trx checks\n"
- " -e <device> erase <device> before executing the command\n"
- " -d <name> directory for jffs2write, defaults to \"tmp\"\n"
- " -j <name> integrate <file> into jffs2 data when writing an image\n"
- " -s <number> skip the first n bytes when appending data to the jffs2 partiton, defaults to \"0\"\n"
- " -p <number> write beginning at partition offset\n"
- " -l <length> the length of data that we want to dump\n");
- if (mtd_fixtrx) {
- fprintf(stderr,
- " -o offset offset of the image header in the partition(for fixtrx)\n");
- }
- if (mtd_fixtrx || mtd_fixseama || mtd_fixwrg || mtd_fixwrgg) {
- fprintf(stderr,
- " -c datasize amount of data to be used for checksum calculation (for fixtrx / fixseama / fixwrg / fixwrgg)\n");
- }
- fprintf(stderr,
- #ifdef FIS_SUPPORT
- " -F <part>[:<size>[:<entrypoint>]][,<part>...]\n"
- " alter the fis partition table to create new partitions replacing\n"
- " the partitions provided as argument to the write command\n"
- " (only valid together with the write command)\n"
- #endif
- "\n"
- "Example: To write linux.trx to mtd4 labeled as linux and reboot afterwards\n"
- " mtd -r write linux.trx linux\n\n");
- exit(1);
- }
- static void do_reboot(void)
- {
- fprintf(stderr, "Rebooting ...\n");
- fflush(stderr);
- /* try regular reboot method first */
- system("/sbin/reboot");
- sleep(2);
- /* if we're still alive at this point, force the kernel to reboot */
- syscall(SYS_reboot,LINUX_REBOOT_MAGIC1,LINUX_REBOOT_MAGIC2,LINUX_REBOOT_CMD_RESTART,NULL);
- }
- int main (int argc, char **argv)
- {
- int ch, i, boot, imagefd = 0, force, unlocked;
- char *erase[MAX_ARGS], *device = NULL;
- char *fis_layout = NULL;
- size_t offset = 0, data_size = 0, part_offset = 0, dump_len = 0;
- enum {
- CMD_ERASE,
- CMD_WRITE,
- CMD_UNLOCK,
- CMD_JFFS2WRITE,
- CMD_FIXTRX,
- CMD_FIXSEAMA,
- CMD_FIXWRG,
- CMD_FIXWRGG,
- CMD_VERIFY,
- CMD_DUMP,
- CMD_RESETBC,
- } cmd = -1;
- erase[0] = NULL;
- boot = 0;
- force = 0;
- buflen = 0;
- quiet = 0;
- no_erase = 0;
- while ((ch = getopt(argc, argv,
- #ifdef FIS_SUPPORT
- "F:"
- #endif
- "frnqe:d:s:j:p:o:c:l:")) != -1)
- switch (ch) {
- case 'f':
- force = 1;
- break;
- case 'r':
- boot = 1;
- break;
- case 'n':
- no_erase = 1;
- break;
- case 'j':
- jffs2file = optarg;
- break;
- case 's':
- errno = 0;
- jffs2_skip_bytes = strtoul(optarg, 0, 0);
- if (errno) {
- fprintf(stderr, "-s: illegal numeric string\n");
- usage();
- }
- break;
- case 'q':
- quiet++;
- break;
- case 'e':
- i = 0;
- while ((erase[i] != NULL) && ((i + 1) < MAX_ARGS))
- i++;
- erase[i++] = optarg;
- erase[i] = NULL;
- break;
- case 'd':
- jffs2dir = optarg;
- break;
- case 'p':
- errno = 0;
- part_offset = strtoul(optarg, 0, 0);
- if (errno) {
- fprintf(stderr, "-p: illegal numeric string\n");
- usage();
- }
- break;
- case 'l':
- errno = 0;
- dump_len = strtoul(optarg, 0, 0);
- if (errno) {
- fprintf(stderr, "-l: illegal numeric string\n");
- usage();
- }
- break;
- case 'o':
- errno = 0;
- offset = strtoul(optarg, 0, 0);
- if (errno) {
- fprintf(stderr, "-o: illegal numeric string\n");
- 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;
- break;
- #endif
- case '?':
- default:
- usage();
- }
- argc -= optind;
- argv += optind;
- if (argc < 2)
- usage();
- if ((strcmp(argv[0], "unlock") == 0) && (argc == 2)) {
- cmd = CMD_UNLOCK;
- device = argv[1];
- } 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];
- } else if (((strcmp(argv[0], "fixseama") == 0) && (argc == 2)) && mtd_fixseama) {
- cmd = CMD_FIXSEAMA;
- device = argv[1];
- } else if (((strcmp(argv[0], "fixwrg") == 0) && (argc == 2)) && mtd_fixwrg) {
- cmd = CMD_FIXWRG;
- device = argv[1];
- } else if (((strcmp(argv[0], "fixwrgg") == 0) && (argc == 2)) && mtd_fixwrgg) {
- cmd = CMD_FIXWRGG;
- device = argv[1];
- } else if ((strcmp(argv[0], "verify") == 0) && (argc == 3)) {
- cmd = CMD_VERIFY;
- imagefile = argv[1];
- device = argv[2];
- } else if ((strcmp(argv[0], "dump") == 0) && (argc == 2)) {
- cmd = CMD_DUMP;
- device = argv[1];
- } else if ((strcmp(argv[0], "write") == 0) && (argc == 3)) {
- cmd = CMD_WRITE;
- device = argv[2];
- if (strcmp(argv[1], "-") == 0) {
- imagefile = "<stdin>";
- imagefd = 0;
- } else {
- imagefile = argv[1];
- if ((imagefd = open(argv[1], O_RDONLY)) < 0) {
- fprintf(stderr, "Couldn't open image file: %s!\n", imagefile);
- exit(1);
- }
- }
- if (!mtd_check(device)) {
- fprintf(stderr, "Can't open device for writing!\n");
- exit(1);
- }
- /* check trx file before erasing or writing anything */
- if (!image_check(imagefd, device) && !force) {
- fprintf(stderr, "Image check failed.\n");
- exit(1);
- }
- } else if ((strcmp(argv[0], "jffs2write") == 0) && (argc == 3)) {
- cmd = CMD_JFFS2WRITE;
- device = argv[2];
- imagefile = argv[1];
- if (!mtd_check(device)) {
- fprintf(stderr, "Can't open device for writing!\n");
- exit(1);
- }
- } else {
- usage();
- }
- sync();
- i = 0;
- unlocked = 0;
- while (erase[i] != NULL) {
- mtd_unlock(erase[i]);
- mtd_erase(erase[i]);
- if (strcmp(erase[i], device) == 0)
- unlocked = 1;
- i++;
- }
- switch (cmd) {
- case CMD_UNLOCK:
- if (!unlocked)
- mtd_unlock(device);
- break;
- case CMD_VERIFY:
- mtd_verify(device, imagefile);
- break;
- case CMD_DUMP:
- mtd_dump(device, offset, dump_len);
- break;
- case CMD_ERASE:
- if (!unlocked)
- mtd_unlock(device);
- mtd_erase(device);
- break;
- case CMD_WRITE:
- if (!unlocked)
- mtd_unlock(device);
- mtd_write(imagefd, device, fis_layout, part_offset);
- break;
- case CMD_JFFS2WRITE:
- if (!unlocked)
- mtd_unlock(device);
- mtd_write_jffs2(device, imagefile, jffs2dir);
- break;
- case CMD_FIXTRX:
- 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, data_size);
- break;
- case CMD_FIXWRG:
- if (mtd_fixwrg)
- mtd_fixwrg(device, 0, data_size);
- break;
- case CMD_FIXWRGG:
- if (mtd_fixwrgg)
- mtd_fixwrgg(device, 0, data_size);
- break;
- }
- sync();
- if (boot)
- do_reboot();
- return 0;
- }
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