+ if(argc!=4) {
+ printf("usage: %s <serial port> <dump file> <mem>\n",argv[0]);
+ printf("\nmem:\n");
+ printf("0: bank0\n");
+ printf("2: bank2\n");
+ printf("b: bootoader\n");
+ return -1;
+ }
+
+ if((argv[3][0]!='0')&(argv[3][0]!='2')&(argv[3][0]!='b')) {
+ printf("unsupported mem type!\n");