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add my hackish openwrt-tools package. added my mtd.c reimplementation, too. It basically works, but needs some more checks.

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SVN-Revision: 224
This commit is contained in:
Waldemar Brodkorb 2005-02-08 08:20:25 +00:00
parent 5fdb50a6f0
commit 5a5342e256
4 changed files with 347 additions and 0 deletions
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0
openwrt/package/openwrt/Config.in Normal file
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openwrt/package/openwrt/Makefile.in Normal file
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TARGETS+=openwrt

252
openwrt/package/openwrt/mtd.c Normal file
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/*
* mtd.c
*
* Copyright (C) 2005 Waldemar Brodkorb
*
* $Id$
*
* 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.
*
* mtd utility for the openwrt project
* it is mainly code from the linux-mtd project, which accepts the same
* command line arguments as the broadcom utility
*
*/
#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 <string.h>
#include <linux/mtd/mtd.h>
/* trx header */
#define TRX_MAGIC 0x30524448 /* "HDR0" */
#define TRX_VERSION 1
#define TRX_MAX_LEN 0x3A0000
#define TRX_NO_HEADER 1 /* Do not write TRX header */
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 */
};
#define BUFSIZE (10 * 1024)
extern int mtd_open(const char *mtd, int flags);
extern int mtd_erase(const char *mtd);
extern int mtd_write(const char *trxfile, const char *mtd);
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);
}
mtdLockInfo.start = 0;
mtdLockInfo.length = mtdInfo.size;
if(ioctl(fd, MEMUNLOCK, &mtdLockInfo)) {
fprintf(stderr, "Could not unlock MTD device: %s\n", mtd);
close(fd);
exit(1);
}
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);
}
mtdEraseInfo.length = mtdInfo.erasesize;
for (mtdEraseInfo.start = 0;
mtdEraseInfo.start < mtdInfo.size;
mtdEraseInfo.start += mtdInfo.erasesize) {
if(ioctl(fd, MEMUNLOCK, &mtdEraseInfo)) {
fprintf(stderr, "Could not unlock MTD device: %s\n", mtd);
close(fd);
exit(1);
}
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(const char *trxfile, const char *mtd)
{
int fd;
int trxfd;
int i;
size_t result,size,written;
struct mtd_info_user mtdInfo;
struct erase_info_user mtdEraseInfo;
struct stat trxstat;
unsigned char src[BUFSIZE],dest[BUFSIZE];
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);
}
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);
}
if(mtdInfo.size < trxstat.st_size) {
fprintf(stderr, "image to big for mtd partition: %s\n", mtd);
close(trxfd);
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;
}
int main(int argc, char **argv) {
if(argc == 3 && strcasecmp(argv[1],"unlock")==0) {
printf("Unlocking %s\n",argv[2]);
return mtd_unlock(argv[2]);
}
if(argc == 3 && strcasecmp(argv[1],"erase")==0) {
printf("Erasing %s\n",argv[2]);
return mtd_erase(argv[2]);
}
if(argc == 4 && strcasecmp(argv[1],"write")==0) {
printf("Writing %s to %s\n",argv[2],argv[3]);
return mtd_write(argv[2],argv[3]);
}
printf("no valid command given\n");
return -1;
}

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openwrt/package/openwrt/openwrt.mk Normal file
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#############################################################
#
# openwrt tools
#
#############################################################
OPENWRT_SITE=http://openwrt.openbsd-geek.de
# shared library
OPENWRT_SHARED_SOURCE=openwrt-shared.tar.gz
OPENWRT_SHARED_DIR=$(BUILD_DIR)/openwrt-shared
OPENWRT_SHARED_TARGET_BINARY:=usr/lib/libshared.so
$(DL_DIR)/$(OPENWRT_SHARED_SOURCE):
$(WGET) -P $(DL_DIR) $(OPENWRT_SITE)/$(OPENWRT_SHARED_SOURCE)
$(OPENWRT_SHARED_DIR)/.source: $(DL_DIR)/$(OPENWRT_SHARED_SOURCE)
zcat $(DL_DIR)/$(OPENWRT_SHARED_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
touch $(OPENWRT_SHARED_DIR)/.source
$(TARGET_DIR)/$(OPENWRT_SHARED_TARGET_BINARY): $(OPENWRT_SHARED_DIR)/.source
$(MAKE) -C $(OPENWRT_SHARED_DIR) -f Makefile-openwrt \
INSTALLDIR=$(TARGET_DIR) \
CC=$(TARGET_CC) LD=$(TARGET_CROSS)ld STRIP="$(STRIP)" \
CFLAGS="$(TARGET_CFLAGS) -I. -I../binary/include -Wall -I$(OPENWRT_SRCBASE)/" \
install
openwrt-shared: $(TARGET_DIR)/$(OPENWRT_SHARED_TARGET_BINARY)
openwrt-shared-clean:
-$(MAKE) -C $(OPENWRT_SHARED_DIR) clean
# nvram tool
OPENWRT_NVRAM_SOURCE=openwrt-nvram.tar.gz
OPENWRT_NVRAM_DIR=$(BUILD_DIR)/openwrt-nvram
OPENWRT_NVRAM_TARGET_BINARY:=usr/sbin/nvram
$(DL_DIR)/$(OPENWRT_NVRAM_SOURCE):
$(WGET) -P $(DL_DIR) $(OPENWRT_SITE)/$(OPENWRT_NVRAM_SOURCE)
$(OPENWRT_NVRAM_DIR)/.source: $(DL_DIR)/$(OPENWRT_NVRAM_SOURCE)
zcat $(DL_DIR)/$(OPENWRT_NVRAM_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
touch $(OPENWRT_NVRAM_DIR)/.source
$(TARGET_DIR)/$(OPENWRT_NVRAM_TARGET_BINARY): $(OPENWRT_NVRAM_DIR)/.source
$(MAKE) -C $(OPENWRT_NVRAM_DIR) INSTALLDIR=$(TARGET_DIR) \
CC=$(TARGET_CC) LD=$(TARGET_CROSS)ld STRIP="$(STRIP)" \
CFLAGS="$(TARGET_CFLAGS) -I. -I../binary/include -Wall -DOPENWRT_NVRAM" \
install
openwrt-nvram: $(TARGET_DIR)/$(OPENWRT_NVRAM_TARGET_BINARY)
openwrt-nvram-clean:
-$(MAKE) -C $(OPENWRT_NVRAM_BUILD_DIR) clean
# mtd tool
OPENWRT_MTD_SOURCE=package/openwrt/mtd.c
OPENWRT_MTD_TARGET_BINARY:=sbin/mtd
$(TARGET_DIR)/$(OPENWRT_MTD_TARGET_BINARY):
$(TARGET_CC) -o $(TARGET_DIR)/$(OPENWRT_MTD_TARGET_BINARY) $(OPENWRT_MTD_SOURCE)
openwrt-mtd: $(TARGET_DIR)/$(OPENWRT_MTD_TARGET_BINARY)
# wlconf tool
OPENWRT_WLCONF_SOURCE=openwrt-wlconf.tar.gz
OPENWRT_WLCONF_DIR=$(BUILD_DIR)/openwrt-wlconf
OPENWRT_WLCONF_TARGET_BINARY:=usr/sbin/wlconf
$(DL_DIR)/$(OPENWRT_WLCONF_SOURCE):
$(WGET) -P $(DL_DIR) $(OPENWRT_SITE)/$(OPENWRT_WLCONF_SOURCE)
$(OPENWRT_WLCONF_DIR)/.source: $(DL_DIR)/$(OPENWRT_WLCONF_SOURCE)
zcat $(DL_DIR)/$(OPENWRT_WLCONF_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
touch $(OPENWRT_WLCONF_DIR)/.source
$(TARGET_DIR)/$(OPENWRT_WLCONF_TARGET_BINARY): $(OPENWRT_WLCONF_DIR)/.source
$(MAKE) -C $(OPENWRT_WLCONF_DIR) INSTALLDIR=$(TARGET_DIR) \
CC=$(TARGET_CC) LD=$(TARGET_CROSS)ld STRIP="$(STRIP)" \
CFLAGS="$(TARGET_CFLAGS) -I. -I../binary/include -I$(BUILD_DIR)/openwrt-shared \
-I$(BUILD_DIR)/openwrt-nvram -Wall -DOPENWRT_WLCONF" \
LDFLAGS="-lnvram -lshared -L$(BUILD_DIR)/openwrt-shared -L$(BUILD_DIR)/openwrt-nvram" \
install
openwrt-wlconf: $(TARGET_DIR)/$(OPENWRT_WLCONF_TARGET_BINARY)
openwrt-wlconf-clean:
-$(MAKE) -C $(OPENWRT_WLCONF_BUILD_DIR) clean
openwrt: openwrt-shared openwrt-nvram openwrt-mtd openwrt-wlconf