diff options
author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2005-07-21 11:45:36 +0000 |
---|---|---|
committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2005-07-21 11:45:36 +0000 |
commit | c45b5fbb998ca7888607a78b8f89aff75649ebc2 (patch) | |
tree | 31f29f828ec386841ed6c3359530482ee123f9e7 /package/openwrt/mtd.c | |
parent | e8c58d4f504339ddddb527ecca44b9be9fb97cd8 (diff) |
move nvram,jffs2root,shared libs into target/linux/package and make them broadcom-specific
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1517 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/openwrt/mtd.c')
-rw-r--r-- | package/openwrt/mtd.c | 370 |
1 files changed, 0 insertions, 370 deletions
diff --git a/package/openwrt/mtd.c b/package/openwrt/mtd.c deleted file mode 100644 index 74949fdac..000000000 --- a/package/openwrt/mtd.c +++ /dev/null @@ -1,370 +0,0 @@ -/* - * mtd - simple memory technology device manipulation tool - * - * Copyright (C) 2005 Waldemar Brodkorb <wbx@dass-it.de>, - * Felix Fietkau <nbd@vd-s.ath.cx> - * - * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * $Id$ - * - * code is based on linux-mtd example code - */ - -#include <limits.h> -#include <unistd.h> -#include <stdlib.h> -#include <stdio.h> -#include <stdint.h> -#include <fcntl.h> -#include <errno.h> -#include <error.h> -#include <time.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 <string.h> - -#include <linux/mtd/mtd.h> - -#define TRX_MAGIC 0x30524448 /* "HDR0" */ -#define BUFSIZE (10 * 1024) -#define MAX_ARGS 8 - -struct trx_header { - uint32_t magic; /* "HDR0" */ - uint32_t len; /* Length of file including header */ - uint32_t crc32; /* 32-bit CRC from flag_version to end of file */ - uint32_t flag_version; /* 0:15 flags, 16:31 version */ - uint32_t offsets[3]; /* Offsets of partitions from start of header */ -}; - -int -trx_check(const char *trxfile, const char *mtd) -{ - struct mtd_info_user mtdInfo; - int trxfd, fd; - size_t count; - struct trx_header trx; - struct stat trxstat; - - trxfd = open(trxfile,O_RDONLY); - if(trxfd < 0) { - fprintf(stderr, "Could not open trx image: %s\n", trxfile); - exit(1); - } - - if (fstat(trxfd,&trxstat) < 0) { - fprintf(stderr, "Could not get trx image file status: %s\n", trxfile); - close(trxfd); - exit(1); - } - - count = read(trxfd, &trx, sizeof(struct trx_header)); - if (count < sizeof(struct trx_header)) { - fprintf(stderr, "Could not trx header, file too small (%ld bytes)\n", count); - close(trxfd); - exit(1); - } - - if (trx.magic != TRX_MAGIC || trx.len < sizeof(struct trx_header)) { - fprintf(stderr, "Bad trx header\n"); - fprintf(stderr, "If this is a firmware in bin format, like some of the\n" - "original firmware files are, use following command to convert to trx:\n" - "dd if=firmware.bin of=firmware.trx bs=32 skip=1\n"); - close(trxfd); - exit(1); - } - - lseek(trxfd, 0, SEEK_SET); - - /* check if image fits to mtd device */ - - fd = mtd_open(mtd, O_RDWR); - if(fd < 0) { - fprintf(stderr, "Could not open mtd device: %s\n", mtd); - exit(1); - } - - if(ioctl(fd, MEMGETINFO, &mtdInfo)) { - fprintf(stderr, "Could not get MTD device info from %s\n", mtd); - close(fd); - exit(1); - } - - if(mtdInfo.size < trxstat.st_size) { - fprintf(stderr, "Image too big for partition: %s\n", mtd); - close(trxfd); - close(fd); - exit(1); - } - - printf("Writing %s to %s ...\n", trxfile, mtd); - - close(fd); - - return(trxfd); -} - -int -mtd_unlock(const char *mtd) -{ - int fd; - struct mtd_info_user mtdInfo; - struct erase_info_user mtdLockInfo; - - fd = mtd_open(mtd, O_RDWR); - if(fd < 0) { - fprintf(stderr, "Could not open mtd device: %s\n", mtd); - exit(1); - } - - if(ioctl(fd, MEMGETINFO, &mtdInfo)) { - fprintf(stderr, "Could not get MTD device info from %s\n", mtd); - close(fd); - exit(1); - } - - printf("Unlocking %s ...\n", mtd); - mtdLockInfo.start = 0; - mtdLockInfo.length = mtdInfo.size; - if(ioctl(fd, MEMUNLOCK, &mtdLockInfo)) { - close(fd); - return 0; - } - - close(fd); - return 0; -} - -int -mtd_open(const char *mtd, int flags) -{ - FILE *fp; - char dev[PATH_MAX]; - int i; - - if ((fp = fopen("/proc/mtd", "r"))) { - while (fgets(dev, sizeof(dev), fp)) { - if (sscanf(dev, "mtd%d:", &i) && strstr(dev, mtd)) { - snprintf(dev, sizeof(dev), "/dev/mtd/%d", i); - fclose(fp); - return open(dev, flags); - } - } - fclose(fp); - } - - return open(mtd, flags); -} - -int -mtd_erase(const char *mtd) -{ - int fd; - struct mtd_info_user mtdInfo; - struct erase_info_user mtdEraseInfo; - - fd = mtd_open(mtd, O_RDWR); - if(fd < 0) { - fprintf(stderr, "Could not open mtd device: %s\n", mtd); - exit(1); - } - - if(ioctl(fd, MEMGETINFO, &mtdInfo)) { - fprintf(stderr, "Could not get MTD device info from %s\n", mtd); - close(fd); - exit(1); - } - - printf("Erasing %s ...\n", mtd); - mtdEraseInfo.length = mtdInfo.erasesize; - - for (mtdEraseInfo.start = 0; - mtdEraseInfo.start < mtdInfo.size; - mtdEraseInfo.start += mtdInfo.erasesize) { - - ioctl(fd, MEMUNLOCK, &mtdEraseInfo); - if(ioctl(fd, MEMERASE, &mtdEraseInfo)) { - fprintf(stderr, "Could not erase MTD device: %s\n", mtd); - close(fd); - exit(1); - } - } - - close(fd); - return 0; - -} - -int -mtd_write(int trxfd, const char *mtd) -{ - int fd,i; - size_t result,size,written; - struct mtd_info_user mtdInfo; - struct erase_info_user mtdEraseInfo; - unsigned char src[BUFSIZE],dest[BUFSIZE]; - struct stat trxstat; - - if (fstat(trxfd,&trxstat) < 0) { - fprintf(stderr, "Could not get trx image file status\n"); - close(trxfd); - exit(1); - } - - fd = mtd_open(mtd, O_RDWR); - if(fd < 0) { - fprintf(stderr, "Could not open mtd device: %s\n", mtd); - exit(1); - } - - if(ioctl(fd, MEMGETINFO, &mtdInfo)) { - fprintf(stderr, "Could not get MTD device info from %s\n", mtd); - close(fd); - exit(1); - } - - mtdEraseInfo.start = 0; - mtdEraseInfo.length = trxstat.st_size & ~(mtdInfo.erasesize -1); - if(trxstat.st_size % mtdInfo.erasesize) mtdEraseInfo.length += mtdInfo.erasesize; - - /* erase the chunk */ - if (ioctl (fd,MEMERASE,&mtdEraseInfo) < 0) { - fprintf(stderr, "Erasing mtd failed: %s\n", mtd); - exit(1); - } - - size = trxstat.st_size; - i = BUFSIZE; - written = 0; - - while (size) { - if (size < BUFSIZE) i = size; - read(trxfd,src,i); - result = write(fd,src,i); - if (i != result) { - if (result < 0) { - fprintf(stderr,"Error while writing image"); - exit(1); - } - fprintf(stderr,"Error writing image"); - exit(1); - } - written += i; - size -= i; - } - - return 0; -} - -void usage(void) -{ - printf("Usage: mtd [<options> ...] <command> [<arguments> ...] <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" - " erase erase all data on device\n" - " write <imagefile> write imagefile to device\n" - "Following options are available:\n" - " -r reboot after successful command\n" - " -e <device> erase <device> before executing the command\n\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); -} - -int main (int argc, char **argv) -{ - int ch, i, boot, unlock, trxfd; - char *erase[MAX_ARGS], *device; - enum { - CMD_ERASE, - CMD_WRITE, - CMD_UNLOCK - } cmd; - - erase[0] = NULL; - boot = 0; - - while ((ch = getopt(argc, argv, "re:")) != -1) - switch (ch) { - case 'r': - boot = 1; - break; - case 'e': - i = 0; - while ((erase[i] != NULL) && ((i + 1) < MAX_ARGS)) - i++; - - erase[i++] = optarg; - erase[i] = NULL; - break; - - 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], "write") == 0) && (argc == 3)) { - cmd = CMD_WRITE; - device = argv[2]; - /* check trx file before erasing or writing anything */ - trxfd = trx_check(argv[1], device); - } else { - usage(); - } - - sync(); - - i = 0; - while (erase[i] != NULL) { - mtd_unlock(erase[i]); - mtd_erase(erase[i]); - i++; - } - - mtd_unlock(device); - - switch (cmd) { - case CMD_UNLOCK: - break; - case CMD_ERASE: - mtd_erase(device); - break; - case CMD_WRITE: - mtd_write(trxfd, device); - break; - } - - if (boot) - kill(1, 15); // send SIGTERM to init for reboot - - return 0; -} |