+ struct {
+ uint8_t jr[2];
+ uint16_t loadaddr;
+ uint8_t sec_start;
+ uint8_t sec_cnt;
+ uint8_t part_id;
+ uint16_t timeout;
+ uint8_t stages;
+ } boot_param;
+
+ struct {
+ uint8_t stages;
+ uint8_t done;
+ uint8_t result;
+ uint8_t ide_stat;
+ uint8_t ide_error;
+ } boot_res;
+
+ int_fast8_t verbosity = 0;
+ uint8_t default_stages;
+ uint32_t val;
+ ERRNUM res = ESUCCESS;
+
+ /* get default values */
+ memcpy_P(&boot_param, cfboot, sizeof boot_param);
+ default_stages = boot_param.stages;
+
+ int opt;
+ while ((opt = getopt(argc, argv, PSTR("vna:s:c:t:i:"))) != -1) {
+ switch (opt) {
+ case 'v':
+ verbosity++;
+ break;
+ case 'n':
+ if (boot_param.stages > 0)
+ boot_param.stages--;
+ break;
+ case 'a':
+ val = eval_arg(optarg, NULL);
+ if (val < 0x100 || val > 0xFE00) {
+ printf_P(PSTR("Address out of range: 0x%.4lX\n"), val);
+ return CMD_RET_FAILURE;
+ }
+ boot_param.loadaddr = val;
+ break;
+ case 's':
+ val = eval_arg(optarg, NULL);
+ if (val > 255) {
+ printf_P(PSTR("Start sector out of range: 0x%lX\n"), val);
+ return CMD_RET_FAILURE;
+ }
+ boot_param.sec_start = val;
+ break;
+ case 'c':
+ val = eval_arg(optarg, NULL);
+ if (val > 127) {
+ printf_P(PSTR("Sector count out of range: 0x%lX\n"), val);
+ return CMD_RET_FAILURE;
+ }
+ boot_param.sec_cnt = val;
+ break;
+ case 't':
+ val = eval_arg(optarg, NULL);
+ if (val < 0x1 || val > 0xFFFF) {
+ printf_P(PSTR("Timeout value out of range: 0x%lX\n"), val);
+ return CMD_RET_FAILURE;
+ }
+ boot_param.timeout = val;
+ break;
+ case 'i':
+ val = eval_arg(optarg, NULL);
+ if (val < 0x01 || val > 0xFF) {
+ printf_P(PSTR("Partition id out of range: 0x%lX\n"), val);
+ return CMD_RET_FAILURE;
+ }
+ boot_param.part_id = val;
+ break;
+ default: /* '?' */
+ return CMD_RET_USAGE;
+ }
+ }