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@ -62,6 +62,7 @@ struct trx_header { |
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extern int mtd_open(const char *mtd, int flags); |
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extern int mtd_erase(const char *mtd); |
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extern int mtd_write(const char *trxfile, const char *mtd); |
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extern int mtd_update(const char *trxfile, const char *mtd); |
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int |
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mtd_unlock(const char *mtd) |
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@ -228,6 +229,24 @@ mtd_write(const char *trxfile, const char *mtd) |
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return 0; |
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} |
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int |
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mtd_update(const char *trxfile, const char *mtd) |
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{ |
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if (mtd_unlock(mtd) != 0) { |
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fprintf(stderr, "Could not unlock mtd device: %s\n", mtd); |
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exit(1); |
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} |
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if (mtd_erase("rootfs") != 0) { |
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fprintf(stderr, "Could not erase rootfs\n"); |
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exit(1); |
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} |
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if (mtd_write(trxfile, mtd) != 0) { |
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fprintf(stderr, "Could not update %s with %s\n", mtd, trxfile); |
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exit(1); |
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}
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return 0; |
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} |
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int main(int argc, char **argv) { |
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if(argc == 3 && strcasecmp(argv[1],"unlock")==0) { |
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printf("Unlocking %s ...\n",argv[2]); |
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@ -241,6 +260,10 @@ int main(int argc, char **argv) { |
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printf("Writing %s to %s ...\n",argv[2],argv[3]); |
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return mtd_write(argv[2],argv[3]); |
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} |
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if(argc == 4 && strcasecmp(argv[1],"update")==0) { |
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printf("Updating %s on %s ...\n",argv[2],argv[3]); |
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return mtd_update(argv[2],argv[3]); |
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} |
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printf("no valid command given\n"); |
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printf("\nmtd: modify data within a Memory Technology Device.\n"); |
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@ -248,11 +271,12 @@ int main(int argc, char **argv) { |
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printf("Documented by Mike Strates [dumpedcore] <mike@dilaudid.net>\n"); |
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printf("mtd has ABSOLUTELY NO WARRANTY and is licensed under the GNU GPL.\n"); |
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printf("\nUsage: mtd [unlock|erase] device\n"); |
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printf(" mtd write imagefile device\n"); |
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printf("\n .. where device is in the format of mtdX (eg: mtd4) or its label.\n"); |
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printf("\nunlock enable modification to device\n"); |
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printf(" mtd [write|update] imagefile device\n"); |
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printf("\n.. where device is in the format of mtdX (eg: mtd4) or its label.\n\n"); |
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printf("unlock enable modification to device\n"); |
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printf("erase erase all data on device\n"); |
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printf("write write imagefile to device\n"); |
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printf("update remove rootfs and update imagefile on device\n"); |
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printf("\nExample: To write linux.trx to mtd4 labeled as linux\n"); |
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printf("\n mtd unlock linux && mtd write linux.trx linux\n\n"); |
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return -1; |
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