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Code

mtd update for jffs2 rootsystems

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@434 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
wbx 2005-03-23 19:33:46 +00:00
parent 4b46f20f04
commit 4b7ec6e396
1 changed files with 27 additions and 3 deletions
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30
package/openwrt/mtd.c
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@ -62,6 +62,7 @@ struct trx_header {
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)
@ -228,6 +229,24 @@ mtd_write(const char *trxfile, const char *mtd)
return 0;
}
int
mtd_update(const char *trxfile, const char *mtd)
{
if (mtd_unlock(mtd) != 0) {
fprintf(stderr, "Could not unlock mtd device: %s\n", mtd);
exit(1);
}
if (mtd_erase("rootfs") != 0) {
fprintf(stderr, "Could not erase rootfs\n");
exit(1);
}
if (mtd_write(trxfile, mtd) != 0) {
fprintf(stderr, "Could not update %s with %s\n", mtd, trxfile);
exit(1);
}
return 0;
}
int main(int argc, char **argv) {
if(argc == 3 && strcasecmp(argv[1],"unlock")==0) {
printf("Unlocking %s ...\n",argv[2]);
@ -241,6 +260,10 @@ int main(int argc, char **argv) {
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");
@ -248,11 +271,12 @@ int main(int argc, char **argv) {
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 imagefile device\n");
printf("\n .. where device is in the format of mtdX (eg: mtd4) or its label.\n");
printf("\nunlock enable modification to 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;