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1100 lines
24 KiB
C
1100 lines
24 KiB
C
/*
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* mtd - simple memory technology device manipulation tool
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*
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* Copyright (C) 2005 Waldemar Brodkorb <wbx@dass-it.de>,
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* Copyright (C) 2005-2009 Felix Fietkau <nbd@nbd.name>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License v2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*
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* The code is based on the linux-mtd examples.
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*/
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#define _GNU_SOURCE
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#include <byteswap.h>
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#include <endian.h>
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#include <limits.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <signal.h>
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#include <sys/ioctl.h>
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#include <sys/syscall.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <time.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/mount.h>
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#include <sys/stat.h>
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#include <sys/reboot.h>
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#include <linux/reboot.h>
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#include <mtd/mtd-user.h>
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#include "crc32.h"
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#include "fis.h"
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#include "mtd.h"
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#include <libubox/md5.h>
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#define MAX_ARGS 8
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#define JFFS2_DEFAULT_DIR "" /* directory name without /, empty means root dir */
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#define TRX_MAGIC 0x48445230 /* "HDR0" */
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#define SEAMA_MAGIC 0x5ea3a417
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#define WRG_MAGIC 0x20040220
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#define WRGG03_MAGIC 0x20080321
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#if !defined(__BYTE_ORDER)
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#error "Unknown byte order"
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#endif
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#if __BYTE_ORDER == __BIG_ENDIAN
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#define cpu_to_be32(x) (x)
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#define be32_to_cpu(x) (x)
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#define le32_to_cpu(x) bswap_32(x)
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#elif __BYTE_ORDER == __LITTLE_ENDIAN
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#define cpu_to_be32(x) bswap_32(x)
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#define be32_to_cpu(x) bswap_32(x)
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#define le32_to_cpu(x) (x)
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#else
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#error "Unsupported endianness"
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#endif
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enum mtd_image_format {
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MTD_IMAGE_FORMAT_UNKNOWN,
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MTD_IMAGE_FORMAT_TRX,
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MTD_IMAGE_FORMAT_SEAMA,
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MTD_IMAGE_FORMAT_WRG,
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MTD_IMAGE_FORMAT_WRGG03,
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};
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static char *buf = NULL;
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static char *imagefile = NULL;
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static enum mtd_image_format imageformat = MTD_IMAGE_FORMAT_UNKNOWN;
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static char *jffs2file = NULL, *jffs2dir = JFFS2_DEFAULT_DIR;
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static char *tpl_uboot_args_part;
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static int buflen = 0;
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int quiet;
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int no_erase;
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int mtdsize = 0;
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int erasesize = 0;
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int jffs2_skip_bytes=0;
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int mtdtype = 0;
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int mtd_open(const char *mtd, bool block)
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{
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FILE *fp;
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char dev[PATH_MAX];
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int i;
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int ret;
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int flags = O_RDWR | O_SYNC;
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char name[PATH_MAX];
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snprintf(name, sizeof(name), "\"%s\"", mtd);
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if ((fp = fopen("/proc/mtd", "r"))) {
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while (fgets(dev, sizeof(dev), fp)) {
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if (sscanf(dev, "mtd%d:", &i) && strstr(dev, name)) {
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snprintf(dev, sizeof(dev), "/dev/mtd%s/%d", (block ? "block" : ""), i);
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if ((ret=open(dev, flags))<0) {
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snprintf(dev, sizeof(dev), "/dev/mtd%s%d", (block ? "block" : ""), i);
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ret=open(dev, flags);
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}
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fclose(fp);
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return ret;
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}
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}
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fclose(fp);
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}
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return open(mtd, flags);
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}
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int mtd_check_open(const char *mtd)
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{
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struct mtd_info_user mtdInfo;
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int fd;
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fd = mtd_open(mtd, false);
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if(fd < 0) {
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fprintf(stderr, "Could not open mtd device: %s\n", mtd);
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return -1;
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}
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if(ioctl(fd, MEMGETINFO, &mtdInfo)) {
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fprintf(stderr, "Could not get MTD device info from %s\n", mtd);
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close(fd);
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return -1;
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}
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mtdsize = mtdInfo.size;
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erasesize = mtdInfo.erasesize;
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mtdtype = mtdInfo.type;
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return fd;
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}
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int mtd_block_is_bad(int fd, int offset)
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{
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int r = 0;
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loff_t o = offset;
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if (mtdtype == MTD_NANDFLASH)
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{
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r = ioctl(fd, MEMGETBADBLOCK, &o);
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if (r < 0)
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{
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fprintf(stderr, "Failed to get erase block status\n");
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exit(1);
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}
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}
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return r;
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}
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int mtd_erase_block(int fd, int offset)
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{
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struct erase_info_user mtdEraseInfo;
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mtdEraseInfo.start = offset;
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mtdEraseInfo.length = erasesize;
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ioctl(fd, MEMUNLOCK, &mtdEraseInfo);
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if (ioctl (fd, MEMERASE, &mtdEraseInfo) < 0)
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return -1;
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return 0;
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}
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int mtd_write_buffer(int fd, const char *buf, int offset, int length)
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{
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lseek(fd, offset, SEEK_SET);
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write(fd, buf, length);
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return 0;
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}
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static int
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image_check(int imagefd, const char *mtd)
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{
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uint32_t magic;
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int ret = 1;
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int bufread;
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while (buflen < sizeof(magic)) {
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bufread = read(imagefd, buf + buflen, sizeof(magic) - buflen);
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if (bufread < 1)
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break;
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buflen += bufread;
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}
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if (buflen < sizeof(magic)) {
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fprintf(stdout, "Could not get image magic\n");
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return 0;
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}
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magic = ((uint32_t *)buf)[0];
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if (be32_to_cpu(magic) == TRX_MAGIC)
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imageformat = MTD_IMAGE_FORMAT_TRX;
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else if (be32_to_cpu(magic) == SEAMA_MAGIC)
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imageformat = MTD_IMAGE_FORMAT_SEAMA;
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else if (le32_to_cpu(magic) == WRG_MAGIC)
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imageformat = MTD_IMAGE_FORMAT_WRG;
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else if (le32_to_cpu(magic) == WRGG03_MAGIC)
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imageformat = MTD_IMAGE_FORMAT_WRGG03;
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switch (imageformat) {
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case MTD_IMAGE_FORMAT_TRX:
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if (trx_check)
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ret = trx_check(imagefd, mtd, buf, &buflen);
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break;
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case MTD_IMAGE_FORMAT_SEAMA:
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case MTD_IMAGE_FORMAT_WRG:
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case MTD_IMAGE_FORMAT_WRGG03:
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break;
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default:
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#ifdef target_brcm
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if (!strcmp(mtd, "firmware"))
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ret = 0;
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#endif
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break;
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}
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return ret;
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}
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static int mtd_check(const char *mtd)
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{
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char *next = NULL;
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char *str = NULL;
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int fd;
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if (strchr(mtd, ':')) {
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str = strdup(mtd);
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mtd = str;
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}
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do {
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next = strchr(mtd, ':');
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if (next) {
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*next = 0;
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next++;
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}
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fd = mtd_check_open(mtd);
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if (fd < 0)
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return 0;
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if (!buf)
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buf = malloc(erasesize);
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close(fd);
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mtd = next;
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} while (next);
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if (str)
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free(str);
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return 1;
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}
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static int
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mtd_unlock(const char *mtd)
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{
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struct erase_info_user mtdLockInfo;
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char *next = NULL;
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char *str = NULL;
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int fd;
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if (strchr(mtd, ':')) {
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str = strdup(mtd);
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mtd = str;
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}
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do {
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next = strchr(mtd, ':');
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if (next) {
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*next = 0;
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next++;
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}
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fd = mtd_check_open(mtd);
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if(fd < 0) {
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fprintf(stderr, "Could not open mtd device: %s\n", mtd);
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exit(1);
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}
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if (quiet < 2)
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fprintf(stderr, "Unlocking %s ...\n", mtd);
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mtdLockInfo.start = 0;
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mtdLockInfo.length = mtdsize;
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ioctl(fd, MEMUNLOCK, &mtdLockInfo);
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close(fd);
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mtd = next;
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} while (next);
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if (str)
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free(str);
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return 0;
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}
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static int
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mtd_erase(const char *mtd)
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{
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int fd;
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struct erase_info_user mtdEraseInfo;
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if (quiet < 2)
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fprintf(stderr, "Erasing %s ...\n", mtd);
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fd = mtd_check_open(mtd);
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if(fd < 0) {
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fprintf(stderr, "Could not open mtd device: %s\n", mtd);
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exit(1);
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}
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mtdEraseInfo.length = erasesize;
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for (mtdEraseInfo.start = 0;
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mtdEraseInfo.start < mtdsize;
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mtdEraseInfo.start += erasesize) {
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if (mtd_block_is_bad(fd, mtdEraseInfo.start)) {
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if (!quiet)
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fprintf(stderr, "\nSkipping bad block at 0x%x ", mtdEraseInfo.start);
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} else {
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ioctl(fd, MEMUNLOCK, &mtdEraseInfo);
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if(ioctl(fd, MEMERASE, &mtdEraseInfo))
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fprintf(stderr, "Failed to erase block on %s at 0x%x\n", mtd, mtdEraseInfo.start);
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}
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}
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close(fd);
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return 0;
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}
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static int
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mtd_dump(const char *mtd, int part_offset, int size)
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{
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int ret = 0, offset = 0;
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int fd;
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char *buf;
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if (quiet < 2)
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fprintf(stderr, "Dumping %s ...\n", mtd);
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fd = mtd_check_open(mtd);
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if(fd < 0) {
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fprintf(stderr, "Could not open mtd device: %s\n", mtd);
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return -1;
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}
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if (!size)
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size = mtdsize;
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if (part_offset)
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lseek(fd, part_offset, SEEK_SET);
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buf = malloc(erasesize);
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if (!buf)
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return -1;
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do {
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int len = (size > erasesize) ? (erasesize) : (size);
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int rlen = read(fd, buf, len);
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if (rlen < 0) {
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if (errno == EINTR)
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continue;
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ret = -1;
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goto out;
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}
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if (!rlen || rlen != len)
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break;
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if (mtd_block_is_bad(fd, offset)) {
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fprintf(stderr, "skipping bad block at 0x%08x\n", offset);
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} else {
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size -= rlen;
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write(1, buf, rlen);
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}
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offset += rlen;
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} while (size > 0);
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out:
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close(fd);
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return ret;
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}
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static int
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mtd_verify(const char *mtd, char *file)
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{
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uint32_t f_md5[4], m_md5[4];
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struct stat s;
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md5_ctx_t ctx;
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int ret = 0;
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int fd;
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if (quiet < 2)
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fprintf(stderr, "Verifying %s against %s ...\n", mtd, file);
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if (stat(file, &s) || md5sum(file, f_md5) < 0) {
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fprintf(stderr, "Failed to hash %s\n", file);
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return -1;
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}
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fd = mtd_check_open(mtd);
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if(fd < 0) {
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fprintf(stderr, "Could not open mtd device: %s\n", mtd);
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return -1;
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}
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md5_begin(&ctx);
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do {
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char buf[256];
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int len = (s.st_size > sizeof(buf)) ? (sizeof(buf)) : (s.st_size);
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int rlen = read(fd, buf, len);
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if (rlen < 0) {
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if (errno == EINTR)
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continue;
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ret = -1;
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goto out;
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}
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if (!rlen)
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break;
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md5_hash(buf, rlen, &ctx);
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s.st_size -= rlen;
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} while (s.st_size > 0);
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md5_end(m_md5, &ctx);
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fprintf(stderr, "%08x%08x%08x%08x - %s\n", m_md5[0], m_md5[1], m_md5[2], m_md5[3], mtd);
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fprintf(stderr, "%08x%08x%08x%08x - %s\n", f_md5[0], f_md5[1], f_md5[2], f_md5[3], file);
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ret = memcmp(f_md5, m_md5, sizeof(m_md5));
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if (!ret)
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fprintf(stderr, "Success\n");
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else
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fprintf(stderr, "Failed\n");
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out:
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close(fd);
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return ret;
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}
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static void
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indicate_writing(const char *mtd)
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{
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if (quiet < 2)
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fprintf(stderr, "\nWriting from %s to %s ... ", imagefile, mtd);
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if (!quiet)
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fprintf(stderr, " [ ]");
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}
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static int
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mtd_write(int imagefd, const char *mtd, char *fis_layout, size_t part_offset)
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{
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char *next = NULL;
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char *str = NULL;
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int fd, result;
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ssize_t r, w, e;
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ssize_t skip = 0;
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uint32_t offset = 0;
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int buflen_raw = 0;
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int jffs2_replaced = 0;
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int skip_bad_blocks = 0;
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#ifdef FIS_SUPPORT
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static struct fis_part new_parts[MAX_ARGS];
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static struct fis_part old_parts[MAX_ARGS];
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struct fis_part *cur_part = NULL;
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int n_new = 0, n_old = 0;
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if (fis_layout) {
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const char *tmp = mtd;
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char *word, *brkt;
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int ret;
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memset(&old_parts, 0, sizeof(old_parts));
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memset(&new_parts, 0, sizeof(new_parts));
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if (!part_offset)
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cur_part = new_parts;
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do {
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next = strchr(tmp, ':');
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if (!next)
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next = (char *) tmp + strlen(tmp);
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memcpy(old_parts[n_old].name, tmp, next - tmp);
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n_old++;
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tmp = next + 1;
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} while(*next);
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for (word = strtok_r(fis_layout, ",", &brkt);
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word;
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word = strtok_r(NULL, ",", &brkt)) {
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tmp = strtok(word, ":");
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strncpy((char *) new_parts[n_new].name, tmp, sizeof(new_parts[n_new].name) - 1);
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tmp = strtok(NULL, ":");
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if (!tmp)
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goto next;
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new_parts[n_new].size = strtoul(tmp, NULL, 0);
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tmp = strtok(NULL, ":");
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if (!tmp)
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goto next;
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new_parts[n_new].loadaddr = strtoul(tmp, NULL, 16);
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next:
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n_new++;
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}
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ret = fis_validate(old_parts, n_old, new_parts, n_new);
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if (ret < 0) {
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fprintf(stderr, "Failed to validate the new FIS partition table\n");
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exit(1);
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}
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if (ret == 0)
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fis_layout = NULL;
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}
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#endif
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if (strchr(mtd, ':')) {
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str = strdup(mtd);
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mtd = str;
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}
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r = 0;
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resume:
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next = strchr(mtd, ':');
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if (next) {
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*next = 0;
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next++;
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}
|
|
|
|
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);
|
|
}
|
|
|
|
/* Write TP-Link recovery flag */
|
|
if (tpl_uboot_args_part && mtd_tpl_recoverflag_write) {
|
|
if (quiet < 2)
|
|
fprintf(stderr, "Writing recovery flag to %s\n", tpl_uboot_args_part);
|
|
result = mtd_tpl_recoverflag_write(tpl_uboot_args_part, true);
|
|
if (result < 0) {
|
|
fprintf(stderr, "Could not write TP-Link recovery flag to %s: %i", mtd, result);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
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_raw == 0)
|
|
buflen_raw = buflen;
|
|
|
|
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_raw = 0;
|
|
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_raw = 0;
|
|
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 + part_offset) < 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;
|
|
|
|
#ifdef FIS_SUPPORT
|
|
if (cur_part && cur_part->size
|
|
&& cur_part < &new_parts[MAX_ARGS - 1]
|
|
&& cur_part->length + buflen_raw > cur_part->size)
|
|
cur_part++;
|
|
if (cur_part) {
|
|
cur_part->length += buflen_raw;
|
|
cur_part->crc = crc32(cur_part->crc, buf, buflen_raw);
|
|
}
|
|
#endif
|
|
buflen_raw = 0;
|
|
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);
|
|
|
|
/* Clear TP-Link recovery flag */
|
|
if (tpl_uboot_args_part && mtd_tpl_recoverflag_write) {
|
|
if (quiet < 2)
|
|
fprintf(stderr, "Removing recovery flag from %s\n", tpl_uboot_args_part);
|
|
result = mtd_tpl_recoverflag_write(tpl_uboot_args_part, false);
|
|
if (result < 0) {
|
|
fprintf(stderr, "Could not clear TP-Link recovery flag to %s: %i", mtd, result);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
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");
|
|
}
|
|
if (mtd_tpl_recoverflag_write) {
|
|
fprintf(stderr,
|
|
" -t <partition> write TP-Link recovery-flag to <partition> (for write)\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:t: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;
|
|
case 't':
|
|
tpl_uboot_args_part = optarg;
|
|
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;
|
|
}
|