mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-01 11:54:04 +02:00
rewrite of command line parsing in mtd
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@536 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
parent
e797da86ca
commit
070af9ede8
@ -1,7 +1,8 @@
|
||||
/*
|
||||
* mtd - simple memory technology device manipulation tool
|
||||
*
|
||||
* Copyright (C) 2005 Waldemar Brodkorb <wbx@dass-it.de>
|
||||
* 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
|
||||
@ -17,12 +18,7 @@
|
||||
* 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
|
||||
*
|
||||
* $Id$
|
||||
*
|
||||
*/
|
||||
|
||||
#include <limits.h>
|
||||
@ -39,6 +35,7 @@
|
||||
#include <sys/param.h>
|
||||
#include <sys/mount.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/reboot.h>
|
||||
#include <string.h>
|
||||
|
||||
#include <linux/mtd/mtd.h>
|
||||
@ -49,6 +46,8 @@
|
||||
#define TRX_MAX_LEN 0x3A0000
|
||||
#define TRX_NO_HEADER 1 /* Do not write TRX header */
|
||||
|
||||
#define MAX_ARGS 8
|
||||
|
||||
struct trx_header {
|
||||
uint32_t magic; /* "HDR0" */
|
||||
uint32_t len; /* Length of file including header */
|
||||
@ -59,10 +58,6 @@ struct trx_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);
|
||||
extern int mtd_update(const char *trxfile, const char *mtd);
|
||||
|
||||
int
|
||||
mtd_unlock(const char *mtd)
|
||||
@ -83,12 +78,13 @@ mtd_unlock(const char *mtd)
|
||||
exit(1);
|
||||
}
|
||||
|
||||
printf("Unlocking %s ...\n", mtd);
|
||||
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);
|
||||
return 0;
|
||||
}
|
||||
|
||||
close(fd);
|
||||
@ -135,6 +131,7 @@ mtd_erase(const char *mtd)
|
||||
exit(1);
|
||||
}
|
||||
|
||||
printf("Erasing %s ...\n", mtd);
|
||||
mtdEraseInfo.length = mtdInfo.erasesize;
|
||||
|
||||
for (mtdEraseInfo.start = 0;
|
||||
@ -196,6 +193,8 @@ mtd_write(const char *trxfile, const char *mtd)
|
||||
exit(1);
|
||||
}
|
||||
|
||||
printf("Writing %s to %s ...\n", trxfile, mtd);
|
||||
|
||||
mtdEraseInfo.start = 0;
|
||||
mtdEraseInfo.length = trxstat.st_size & ~(mtdInfo.erasesize -1);
|
||||
if(trxstat.st_size % mtdInfo.erasesize) mtdEraseInfo.length += mtdInfo.erasesize;
|
||||
@ -229,52 +228,109 @@ mtd_write(const char *trxfile, const char *mtd)
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
mtd_update(const char *trxfile, const char *mtd)
|
||||
void usage(void)
|
||||
{
|
||||
if (mtd_erase("rootfs") != 0) {
|
||||
fprintf(stderr, "Could not erase rootfs\n");
|
||||
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"
|
||||
" -u unlock device before accessing it\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;
|
||||
char *erase[MAX_ARGS], *device;
|
||||
enum {
|
||||
CMD_ERASE,
|
||||
CMD_WRITE,
|
||||
CMD_UNLOCK
|
||||
} cmd;
|
||||
|
||||
erase[0] = NULL;
|
||||
boot = 0;
|
||||
unlock = 0;
|
||||
|
||||
printf("mtd: Modify data within a Memory Technology Device.\n"
|
||||
"Copyright (C) 2005 Waldemar Brodkorb <wbx@dass-it.de>,\n"
|
||||
" Felix Fietkau <nbd@vd-s.ath.cx>\n"
|
||||
"Documented by Mike Strates [dumpedcore] <mike@dilaudid.net>\n"
|
||||
"mtd has ABSOLUTELY NO WARRANTY and is licensed under the GNU GPL.\n\n");
|
||||
|
||||
while ((ch = getopt(argc, argv, "ure:")) != -1)
|
||||
switch (ch) {
|
||||
case 'u':
|
||||
unlock = 1;
|
||||
break;
|
||||
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();
|
||||
}
|
||||
if (mtd_write(trxfile, mtd) != 0) {
|
||||
fprintf(stderr, "Could not update %s with %s\n", mtd, trxfile);
|
||||
exit(1);
|
||||
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];
|
||||
} else {
|
||||
usage();
|
||||
}
|
||||
|
||||
sync();
|
||||
|
||||
i = 0;
|
||||
while (erase[i] != NULL) {
|
||||
mtd_unlock(erase[i]);
|
||||
mtd_erase(erase[i]);
|
||||
i++;
|
||||
}
|
||||
|
||||
if (unlock)
|
||||
mtd_unlock(device);
|
||||
|
||||
switch (cmd) {
|
||||
case CMD_UNLOCK:
|
||||
mtd_unlock(device);
|
||||
break;
|
||||
case CMD_ERASE:
|
||||
mtd_erase(device);
|
||||
break;
|
||||
case CMD_WRITE:
|
||||
mtd_write(argv[1], device);
|
||||
break;
|
||||
}
|
||||
|
||||
if (boot)
|
||||
reboot(0);
|
||||
|
||||
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]);
|
||||
}
|
||||
if(argc == 4 && strcasecmp(argv[1],"update")==0) {
|
||||
printf("Updating %s on %s ...\n",argv[2],argv[3]);
|
||||
return mtd_update(argv[2],argv[3]);
|
||||
}
|
||||
|
||||
printf("no valid command given\n");
|
||||
printf("\nmtd: modify data within a Memory Technology Device.\n");
|
||||
printf("Copyright (C) 2005 Waldemar Brodkorb <wbx@dass-it.de>\n");
|
||||
printf("Documented by Mike Strates [dumpedcore] <mike@dilaudid.net>\n");
|
||||
printf("mtd has ABSOLUTELY NO WARRANTY and is licensed under the GNU GPL.\n");
|
||||
printf("\nUsage: mtd [unlock|erase] device\n");
|
||||
printf(" mtd [write|update] imagefile device\n");
|
||||
printf("\n.. where device is in the format of mtdX (eg: mtd4) or its label.\n\n");
|
||||
printf("unlock enable modification to device\n");
|
||||
printf("erase erase all data on device\n");
|
||||
printf("write write imagefile to device\n");
|
||||
printf("update remove rootfs and update imagefile on device\n");
|
||||
printf("\nExample: To write linux.trx to mtd4 labeled as linux\n");
|
||||
printf("\n mtd unlock linux && mtd write linux.trx linux\n\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user