- e = Jim_GetLong(interp, argv[2], &l);
- width = l;
- if (e != JIM_OK) {
- return e;
- }
-
- e = Jim_GetLong(interp, argv[3], &l);
- addr = l;
- if (e != JIM_OK) {
- return e;
- }
- e = Jim_GetLong(interp, argv[4], &l);
- len = l;
- if (e != JIM_OK) {
- return e;
- }
- switch (width) {
- case 8:
- width = 1;
- break;
- case 16:
- width = 2;
- break;
- case 32:
- width = 4;
- break;
- default:
- Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
- Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
- return JIM_ERR;
- }
- if (len == 0) {
- Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
- Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
- return JIM_ERR;
- }
- if ((addr + (len * width)) < addr) {
- Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
- Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
- return JIM_ERR;
- }
- /* absurd transfer size? */
- if (len > 65536) {
- Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
- Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
- return JIM_ERR;
- }
-
- if ((width == 1) ||
- ((width == 2) && ((addr & 1) == 0)) ||
- ((width == 4) && ((addr & 3) == 0))) {
- /* all is well */
- } else {
- char buf[100];
- Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
- sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
- Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
- return JIM_ERR;
- }
-
- target = get_current_target(active_cmd_ctx);
-
- /* Transfer loop */
-
- /* index counter */
- n = 0;
- /* assume ok */
- e = JIM_OK;
- while (len) {
- /* Slurp... in buffer size chunks */
-
- count = len; /* in objects.. */
- if (count > (sizeof(buffer)/width)) {
- count = (sizeof(buffer)/width);
- }
-
- retval = target->type->read_memory( target, addr, width, count, buffer );
- if (retval != ERROR_OK) {
- /* BOO !*/
- LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
- Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
- Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
- e = JIM_ERR;
- len = 0;
- } else {
- v = 0; /* shut up gcc */
- for (i = 0 ;i < count ;i++, n++) {
- switch (width) {
- case 4:
- v = target_buffer_get_u32(target, &buffer[i*width]);
- break;
- case 2:
- v = target_buffer_get_u16(target, &buffer[i*width]);
- break;
- case 1:
- v = buffer[i] & 0x0ff;
- break;
- }
- new_int_array_element(interp, varname, n, v);
- }
- len -= count;
- }
- }
-
- Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));