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-rw-r--r--package/openwrt/mtd.c30
1 files changed, 27 insertions, 3 deletions
diff --git a/package/openwrt/mtd.c b/package/openwrt/mtd.c
index 528eef3c2..163dcc439 100644
--- a/package/openwrt/mtd.c
+++ b/package/openwrt/mtd.c
@@ -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;