- str9x flash support (Thanks to Spencer Oliver)
[openocd.git] / src / target / target.c
1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
4 * *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
9 * *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
14 * *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
20 #ifdef HAVE_CONFIG_H
21 #include "config.h"
22 #endif
23
24 #include "replacements.h"
25 #include "target.h"
26
27 #include "log.h"
28 #include "configuration.h"
29 #include "binarybuffer.h"
30 #include "jtag.h"
31
32 #include <string.h>
33 #include <stdlib.h>
34
35 #include <sys/types.h>
36 #include <sys/stat.h>
37 #include <unistd.h>
38 #include <errno.h>
39
40 #include <sys/time.h>
41 #include <time.h>
42
43 #include <time_support.h>
44
45 int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
46
47 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
48 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
49 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
50
51 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
52 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
53 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
54
55 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
56 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
57 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
58 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
59 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
60 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
61 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
62 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
63 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
64 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
65 int handle_load_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
66 int handle_dump_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
67 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
68 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
69 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
70 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
71
72 /* targets
73 */
74 extern target_type_t arm7tdmi_target;
75 extern target_type_t arm720t_target;
76 extern target_type_t arm9tdmi_target;
77 extern target_type_t arm920t_target;
78 extern target_type_t arm966e_target;
79
80 target_type_t *target_types[] =
81 {
82 &arm7tdmi_target,
83 &arm9tdmi_target,
84 &arm920t_target,
85 &arm720t_target,
86 &arm966e_target,
87 NULL,
88 };
89
90 target_t *targets = NULL;
91 target_event_callback_t *target_event_callbacks = NULL;
92 target_timer_callback_t *target_timer_callbacks = NULL;
93
94 char *target_state_strings[] =
95 {
96 "unknown",
97 "running",
98 "halted",
99 "reset",
100 "debug_running",
101 };
102
103 char *target_debug_reason_strings[] =
104 {
105 "debug request", "breakpoint", "watchpoint",
106 "watchpoint and breakpoint", "single step",
107 "target not halted"
108 };
109
110 char *target_endianess_strings[] =
111 {
112 "big endian",
113 "little endian",
114 };
115
116 enum daemon_startup_mode startup_mode = DAEMON_ATTACH;
117
118 static int target_continous_poll = 1;
119
120 /* read a u32 from a buffer in target memory endianness */
121 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
122 {
123 if (target->endianness == TARGET_LITTLE_ENDIAN)
124 return le_to_h_u32(buffer);
125 else
126 return be_to_h_u32(buffer);
127 }
128
129 /* read a u16 from a buffer in target memory endianness */
130 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
131 {
132 if (target->endianness == TARGET_LITTLE_ENDIAN)
133 return le_to_h_u16(buffer);
134 else
135 return be_to_h_u16(buffer);
136 }
137
138 /* write a u32 to a buffer in target memory endianness */
139 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
140 {
141 if (target->endianness == TARGET_LITTLE_ENDIAN)
142 h_u32_to_le(buffer, value);
143 else
144 h_u32_to_be(buffer, value);
145 }
146
147 /* write a u16 to a buffer in target memory endianness */
148 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
149 {
150 if (target->endianness == TARGET_LITTLE_ENDIAN)
151 h_u16_to_le(buffer, value);
152 else
153 h_u16_to_be(buffer, value);
154 }
155
156 /* returns a pointer to the n-th configured target */
157 target_t* get_target_by_num(int num)
158 {
159 target_t *target = targets;
160 int i = 0;
161
162 while (target)
163 {
164 if (num == i)
165 return target;
166 target = target->next;
167 i++;
168 }
169
170 return NULL;
171 }
172
173 int get_num_by_target(target_t *query_target)
174 {
175 target_t *target = targets;
176 int i = 0;
177
178 while (target)
179 {
180 if (target == query_target)
181 return i;
182 target = target->next;
183 i++;
184 }
185
186 return -1;
187 }
188
189 target_t* get_current_target(command_context_t *cmd_ctx)
190 {
191 target_t *target = get_target_by_num(cmd_ctx->current_target);
192
193 if (target == NULL)
194 {
195 ERROR("BUG: current_target out of bounds");
196 exit(-1);
197 }
198
199 return target;
200 }
201
202 /* Process target initialization, when target entered debug out of reset
203 * the handler is unregistered at the end of this function, so it's only called once
204 */
205 int target_init_handler(struct target_s *target, enum target_event event, void *priv)
206 {
207 FILE *script;
208 struct command_context_s *cmd_ctx = priv;
209
210 if ((event == TARGET_EVENT_HALTED) && (target->reset_script))
211 {
212 script = fopen(target->reset_script, "r");
213 if (!script)
214 {
215 ERROR("couldn't open script file %s", target->reset_script);
216 return ERROR_OK;
217 }
218
219 INFO("executing reset script '%s'", target->reset_script);
220 command_run_file(cmd_ctx, script, COMMAND_EXEC);
221 fclose(script);
222
223 jtag_execute_queue();
224
225 target_unregister_event_callback(target_init_handler, priv);
226 }
227
228 return ERROR_OK;
229 }
230
231 int target_run_and_halt_handler(void *priv)
232 {
233 target_t *target = priv;
234
235 target->type->halt(target);
236
237 return ERROR_OK;
238 }
239
240 int target_process_reset(struct command_context_s *cmd_ctx)
241 {
242 int retval = ERROR_OK;
243 target_t *target;
244
245 target = targets;
246 while (target)
247 {
248 target->type->assert_reset(target);
249 target = target->next;
250 }
251 jtag_execute_queue();
252
253 /* request target halt if necessary, and schedule further action */
254 target = targets;
255 while (target)
256 {
257 switch (target->reset_mode)
258 {
259 case RESET_RUN:
260 /* nothing to do if target just wants to be run */
261 break;
262 case RESET_RUN_AND_HALT:
263 /* schedule halt */
264 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
265 break;
266 case RESET_RUN_AND_INIT:
267 /* schedule halt */
268 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
269 target_register_event_callback(target_init_handler, cmd_ctx);
270 break;
271 case RESET_HALT:
272 target->type->halt(target);
273 break;
274 case RESET_INIT:
275 target->type->halt(target);
276 target_register_event_callback(target_init_handler, cmd_ctx);
277 break;
278 default:
279 ERROR("BUG: unknown target->reset_mode");
280 }
281 target = target->next;
282 }
283
284 target = targets;
285 while (target)
286 {
287 target->type->deassert_reset(target);
288 target = target->next;
289 }
290 jtag_execute_queue();
291
292 return retval;
293 }
294
295 int target_init(struct command_context_s *cmd_ctx)
296 {
297 target_t *target = targets;
298
299 while (target)
300 {
301 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
302 {
303 ERROR("target '%s' init failed", target->type->name);
304 exit(-1);
305 }
306 target = target->next;
307 }
308
309 if (targets)
310 {
311 target_register_user_commands(cmd_ctx);
312 target_register_timer_callback(handle_target, 100, 1, NULL);
313 }
314
315 if (startup_mode == DAEMON_RESET)
316 target_process_reset(cmd_ctx);
317
318 return ERROR_OK;
319 }
320
321 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
322 {
323 target_event_callback_t **callbacks_p = &target_event_callbacks;
324
325 if (callback == NULL)
326 {
327 return ERROR_INVALID_ARGUMENTS;
328 }
329
330 if (*callbacks_p)
331 {
332 while ((*callbacks_p)->next)
333 callbacks_p = &((*callbacks_p)->next);
334 callbacks_p = &((*callbacks_p)->next);
335 }
336
337 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
338 (*callbacks_p)->callback = callback;
339 (*callbacks_p)->priv = priv;
340 (*callbacks_p)->next = NULL;
341
342 return ERROR_OK;
343 }
344
345 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
346 {
347 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
348 struct timeval now;
349
350 if (callback == NULL)
351 {
352 return ERROR_INVALID_ARGUMENTS;
353 }
354
355 if (*callbacks_p)
356 {
357 while ((*callbacks_p)->next)
358 callbacks_p = &((*callbacks_p)->next);
359 callbacks_p = &((*callbacks_p)->next);
360 }
361
362 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
363 (*callbacks_p)->callback = callback;
364 (*callbacks_p)->periodic = periodic;
365 (*callbacks_p)->time_ms = time_ms;
366
367 gettimeofday(&now, NULL);
368 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
369 time_ms -= (time_ms % 1000);
370 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
371 if ((*callbacks_p)->when.tv_usec > 1000000)
372 {
373 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
374 (*callbacks_p)->when.tv_sec += 1;
375 }
376
377 (*callbacks_p)->priv = priv;
378 (*callbacks_p)->next = NULL;
379
380 return ERROR_OK;
381 }
382
383 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
384 {
385 target_event_callback_t **p = &target_event_callbacks;
386 target_event_callback_t *c = target_event_callbacks;
387
388 if (callback == NULL)
389 {
390 return ERROR_INVALID_ARGUMENTS;
391 }
392
393 while (c)
394 {
395 target_event_callback_t *next = c->next;
396 if ((c->callback == callback) && (c->priv == priv))
397 {
398 *p = next;
399 free(c);
400 return ERROR_OK;
401 }
402 else
403 p = &(c->next);
404 c = next;
405 }
406
407 return ERROR_OK;
408 }
409
410 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
411 {
412 target_timer_callback_t **p = &target_timer_callbacks;
413 target_timer_callback_t *c = target_timer_callbacks;
414
415 if (callback == NULL)
416 {
417 return ERROR_INVALID_ARGUMENTS;
418 }
419
420 while (c)
421 {
422 target_timer_callback_t *next = c->next;
423 if ((c->callback == callback) && (c->priv == priv))
424 {
425 *p = next;
426 free(c);
427 return ERROR_OK;
428 }
429 else
430 p = &(c->next);
431 c = next;
432 }
433
434 return ERROR_OK;
435 }
436
437 int target_call_event_callbacks(target_t *target, enum target_event event)
438 {
439 target_event_callback_t *callback = target_event_callbacks;
440 target_event_callback_t *next_callback;
441
442 DEBUG("target event %i", event);
443
444 while (callback)
445 {
446 next_callback = callback->next;
447 callback->callback(target, event, callback->priv);
448 callback = next_callback;
449 }
450
451 return ERROR_OK;
452 }
453
454 int target_call_timer_callbacks()
455 {
456 target_timer_callback_t *callback = target_timer_callbacks;
457 target_timer_callback_t *next_callback;
458 struct timeval now;
459
460 gettimeofday(&now, NULL);
461
462 while (callback)
463 {
464 next_callback = callback->next;
465
466 if (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
467 || (now.tv_sec > callback->when.tv_sec))
468 {
469 callback->callback(callback->priv);
470 if (callback->periodic)
471 {
472 int time_ms = callback->time_ms;
473 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
474 time_ms -= (time_ms % 1000);
475 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
476 if (callback->when.tv_usec > 1000000)
477 {
478 callback->when.tv_usec = callback->when.tv_usec - 1000000;
479 callback->when.tv_sec += 1;
480 }
481 }
482 else
483 target_unregister_timer_callback(callback->callback, callback->priv);
484 }
485
486 callback = next_callback;
487 }
488
489 return ERROR_OK;
490 }
491
492 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
493 {
494 working_area_t *c = target->working_areas;
495 working_area_t *new_wa = NULL;
496
497 /* only allocate multiples of 4 byte */
498 if (size % 4)
499 {
500 ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
501 size = CEIL(size, 4);
502 }
503
504 /* see if there's already a matching working area */
505 while (c)
506 {
507 if ((c->free) && (c->size == size))
508 {
509 new_wa = c;
510 break;
511 }
512 c = c->next;
513 }
514
515 /* if not, allocate a new one */
516 if (!new_wa)
517 {
518 working_area_t **p = &target->working_areas;
519 u32 first_free = target->working_area;
520 u32 free_size = target->working_area_size;
521
522 DEBUG("allocating new working area");
523
524 c = target->working_areas;
525 while (c)
526 {
527 first_free += c->size;
528 free_size -= c->size;
529 p = &c->next;
530 c = c->next;
531 }
532
533 if (free_size < size)
534 {
535 WARNING("not enough working area available");
536 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
537 }
538
539 new_wa = malloc(sizeof(working_area_t));
540 new_wa->next = NULL;
541 new_wa->size = size;
542 new_wa->address = first_free;
543
544 if (target->backup_working_area)
545 {
546 new_wa->backup = malloc(new_wa->size);
547 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
548 }
549 else
550 {
551 new_wa->backup = NULL;
552 }
553
554 /* put new entry in list */
555 *p = new_wa;
556 }
557
558 /* mark as used, and return the new (reused) area */
559 new_wa->free = 0;
560 *area = new_wa;
561
562 /* user pointer */
563 new_wa->user = area;
564
565 return ERROR_OK;
566 }
567
568 int target_free_working_area(struct target_s *target, working_area_t *area)
569 {
570 if (area->free)
571 return ERROR_OK;
572
573 if (target->backup_working_area)
574 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
575
576 area->free = 1;
577
578 /* mark user pointer invalid */
579 *area->user = NULL;
580 area->user = NULL;
581
582 return ERROR_OK;
583 }
584
585 int target_free_all_working_areas(struct target_s *target)
586 {
587 working_area_t *c = target->working_areas;
588
589 while (c)
590 {
591 working_area_t *next = c->next;
592 target_free_working_area(target, c);
593
594 if (c->backup)
595 free(c->backup);
596
597 free(c);
598
599 c = next;
600 }
601
602 target->working_areas = NULL;
603
604 return ERROR_OK;
605 }
606
607 int target_register_commands(struct command_context_s *cmd_ctx)
608 {
609 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, NULL);
610 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
611 register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG, NULL);
612 register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
613 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, NULL);
614 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_CONFIG, NULL);
615
616 return ERROR_OK;
617 }
618
619 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
620 {
621 int retval;
622
623 DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
624
625 /* handle writes of less than 4 byte */
626 if (size < 4)
627 {
628 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
629 return retval;
630 }
631
632 /* handle unaligned head bytes */
633 if (address % 4)
634 {
635 int unaligned = 4 - (address % 4);
636
637 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
638 return retval;
639
640 buffer += unaligned;
641 address += unaligned;
642 size -= unaligned;
643 }
644
645 /* handle aligned words */
646 if (size >= 4)
647 {
648 int aligned = size - (size % 4);
649
650 /* use bulk writes above a certain limit. This may have to be changed */
651 if (aligned > 128)
652 {
653 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
654 return retval;
655 }
656 else
657 {
658 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
659 return retval;
660 }
661
662 buffer += aligned;
663 address += aligned;
664 size -= aligned;
665 }
666
667 /* handle tail writes of less than 4 bytes */
668 if (size > 0)
669 {
670 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
671 return retval;
672 }
673
674 return ERROR_OK;
675 }
676
677 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
678 {
679 int retval;
680
681 DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
682
683 /* handle reads of less than 4 byte */
684 if (size < 4)
685 {
686 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
687 return retval;
688 }
689
690 /* handle unaligned head bytes */
691 if (address % 4)
692 {
693 int unaligned = 4 - (address % 4);
694
695 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
696 return retval;
697
698 buffer += unaligned;
699 address += unaligned;
700 size -= unaligned;
701 }
702
703 /* handle aligned words */
704 if (size >= 4)
705 {
706 int aligned = size - (size % 4);
707
708 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
709 return retval;
710
711 buffer += aligned;
712 address += aligned;
713 size -= aligned;
714 }
715
716 /* handle tail writes of less than 4 bytes */
717 if (size > 0)
718 {
719 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
720 return retval;
721 }
722
723 return ERROR_OK;
724 }
725
726 void target_read_u32(struct target_s *target, u32 address, u32 *value)
727 {
728 u8 value_buf[4];
729
730 target->type->read_memory(target, address, 4, 1, value_buf);
731
732 *value = target_buffer_get_u32(target, value_buf);
733 }
734
735 void target_read_u16(struct target_s *target, u32 address, u16 *value)
736 {
737 u8 value_buf[2];
738
739 target->type->read_memory(target, address, 2, 1, value_buf);
740
741 *value = target_buffer_get_u16(target, value_buf);
742 }
743
744 void target_read_u8(struct target_s *target, u32 address, u8 *value)
745 {
746 target->type->read_memory(target, address, 1, 1, value);
747 }
748
749 void target_write_u32(struct target_s *target, u32 address, u32 value)
750 {
751 u8 value_buf[4];
752
753 target_buffer_set_u32(target, value_buf, value);
754 target->type->write_memory(target, address, 4, 1, value_buf);
755 }
756
757 void target_write_u16(struct target_s *target, u32 address, u16 value)
758 {
759 u8 value_buf[2];
760
761 target_buffer_set_u16(target, value_buf, value);
762 target->type->write_memory(target, address, 2, 1, value_buf);
763 }
764
765 void target_write_u8(struct target_s *target, u32 address, u8 value)
766 {
767 target->type->read_memory(target, address, 1, 1, &value);
768 }
769
770 int target_register_user_commands(struct command_context_s *cmd_ctx)
771 {
772 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
773 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
774 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt");
775 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
776 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
777 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction");
778 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
779 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
780
781 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
782 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
783 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
784
785 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value>");
786 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value>");
787 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value>");
788
789 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
790 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
791 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
792 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
793
794 register_command(cmd_ctx, NULL, "load_binary", handle_load_binary_command, COMMAND_EXEC, "load binary <file> <address>");
795 register_command(cmd_ctx, NULL, "dump_binary", handle_dump_binary_command, COMMAND_EXEC, "dump binary <file> <address> <size>");
796
797 return ERROR_OK;
798 }
799
800 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
801 {
802 target_t *target = targets;
803 int count = 0;
804
805 if (argc == 1)
806 {
807 int num = strtoul(args[0], NULL, 0);
808
809 while (target)
810 {
811 count++;
812 target = target->next;
813 }
814
815 if (num < count)
816 cmd_ctx->current_target = num;
817 else
818 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
819
820 return ERROR_OK;
821 }
822
823 while (target)
824 {
825 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
826 target = target->next;
827 }
828
829 return ERROR_OK;
830 }
831
832 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
833 {
834 int i;
835 int found = 0;
836
837 if (argc < 3)
838 {
839 ERROR("target command requires at least three arguments: <type> <endianess> <reset_mode>");
840 exit(-1);
841 }
842
843 /* search for the specified target */
844 if (args[0] && (args[0][0] != 0))
845 {
846 for (i = 0; target_types[i]; i++)
847 {
848 if (strcmp(args[0], target_types[i]->name) == 0)
849 {
850 target_t **last_target_p = &targets;
851
852 /* register target specific commands */
853 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
854 {
855 ERROR("couldn't register '%s' commands", args[0]);
856 exit(-1);
857 }
858
859 if (*last_target_p)
860 {
861 while ((*last_target_p)->next)
862 last_target_p = &((*last_target_p)->next);
863 last_target_p = &((*last_target_p)->next);
864 }
865
866 *last_target_p = malloc(sizeof(target_t));
867
868 (*last_target_p)->type = target_types[i];
869
870 if (strcmp(args[1], "big") == 0)
871 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
872 else if (strcmp(args[1], "little") == 0)
873 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
874 else
875 {
876 ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
877 exit(-1);
878 }
879
880 /* what to do on a target reset */
881 if (strcmp(args[2], "reset_halt") == 0)
882 (*last_target_p)->reset_mode = RESET_HALT;
883 else if (strcmp(args[2], "reset_run") == 0)
884 (*last_target_p)->reset_mode = RESET_RUN;
885 else if (strcmp(args[2], "reset_init") == 0)
886 (*last_target_p)->reset_mode = RESET_INIT;
887 else if (strcmp(args[2], "run_and_halt") == 0)
888 (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
889 else if (strcmp(args[2], "run_and_init") == 0)
890 (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
891 else
892 {
893 ERROR("unknown target startup mode %s", args[2]);
894 exit(-1);
895 }
896 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
897
898 (*last_target_p)->reset_script = NULL;
899 (*last_target_p)->post_halt_script = NULL;
900 (*last_target_p)->pre_resume_script = NULL;
901
902 (*last_target_p)->working_area = 0x0;
903 (*last_target_p)->working_area_size = 0x0;
904 (*last_target_p)->working_areas = NULL;
905 (*last_target_p)->backup_working_area = 0;
906
907 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
908 (*last_target_p)->state = TARGET_UNKNOWN;
909 (*last_target_p)->reg_cache = NULL;
910 (*last_target_p)->breakpoints = NULL;
911 (*last_target_p)->watchpoints = NULL;
912 (*last_target_p)->next = NULL;
913 (*last_target_p)->arch_info = NULL;
914
915 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
916
917 found = 1;
918 break;
919 }
920 }
921 }
922
923 /* no matching target found */
924 if (!found)
925 {
926 ERROR("target '%s' not found", args[0]);
927 exit(-1);
928 }
929
930 return ERROR_OK;
931 }
932
933 /* usage: target_script <target#> <event> <script_file> */
934 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
935 {
936 target_t *target = NULL;
937
938 if (argc < 3)
939 {
940 ERROR("incomplete target_script command");
941 exit(-1);
942 }
943
944 target = get_target_by_num(strtoul(args[0], NULL, 0));
945
946 if (!target)
947 {
948 ERROR("target number '%s' not defined", args[0]);
949 exit(-1);
950 }
951
952 if (strcmp(args[1], "reset") == 0)
953 {
954 if (target->reset_script)
955 free(target->reset_script);
956 target->reset_script = strdup(args[2]);
957 }
958 else if (strcmp(args[1], "post_halt") == 0)
959 {
960 if (target->post_halt_script)
961 free(target->post_halt_script);
962 target->post_halt_script = strdup(args[2]);
963 }
964 else if (strcmp(args[1], "pre_resume") == 0)
965 {
966 if (target->pre_resume_script)
967 free(target->pre_resume_script);
968 target->pre_resume_script = strdup(args[2]);
969 }
970 else
971 {
972 ERROR("unknown event type: '%s", args[1]);
973 exit(-1);
974 }
975
976 return ERROR_OK;
977 }
978
979 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
980 {
981 target_t *target = NULL;
982
983 if (argc < 2)
984 {
985 ERROR("incomplete run_and_halt_time command");
986 exit(-1);
987 }
988
989 target = get_target_by_num(strtoul(args[0], NULL, 0));
990
991 if (!target)
992 {
993 ERROR("target number '%s' not defined", args[0]);
994 exit(-1);
995 }
996
997 target->run_and_halt_time = strtoul(args[1], NULL, 0);
998
999 return ERROR_OK;
1000 }
1001
1002 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1003 {
1004 target_t *target = NULL;
1005
1006 if (argc < 4)
1007 {
1008 ERROR("incomplete working_area command. usage: working_area <target#> <address> <size> <'backup'|'nobackup'>");
1009 exit(-1);
1010 }
1011
1012 target = get_target_by_num(strtoul(args[0], NULL, 0));
1013
1014 if (!target)
1015 {
1016 ERROR("target number '%s' not defined", args[0]);
1017 exit(-1);
1018 }
1019
1020 target->working_area = strtoul(args[1], NULL, 0);
1021 target->working_area_size = strtoul(args[2], NULL, 0);
1022
1023 if (strcmp(args[3], "backup") == 0)
1024 {
1025 target->backup_working_area = 1;
1026 }
1027 else if (strcmp(args[3], "nobackup") == 0)
1028 {
1029 target->backup_working_area = 0;
1030 }
1031 else
1032 {
1033 ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1034 exit(-1);
1035 }
1036
1037 return ERROR_OK;
1038 }
1039
1040
1041 /* process target state changes */
1042 int handle_target(void *priv)
1043 {
1044 int retval;
1045 target_t *target = targets;
1046
1047 while (target)
1048 {
1049 /* only poll if target isn't already halted */
1050 if (target->state != TARGET_HALTED)
1051 {
1052 if (target_continous_poll)
1053 if ((retval = target->type->poll(target)) < 0)
1054 {
1055 ERROR("couldn't poll target, exiting");
1056 exit(-1);
1057 }
1058 }
1059
1060 target = target->next;
1061 }
1062
1063 return ERROR_OK;
1064 }
1065
1066 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1067 {
1068 target_t *target;
1069 reg_t *reg = NULL;
1070 int count = 0;
1071 char *value;
1072
1073 DEBUG("");
1074
1075 target = get_current_target(cmd_ctx);
1076
1077 /* list all available registers for the current target */
1078 if (argc == 0)
1079 {
1080 reg_cache_t *cache = target->reg_cache;
1081
1082 count = 0;
1083 while(cache)
1084 {
1085 int i;
1086 for (i = 0; i < cache->num_regs; i++)
1087 {
1088 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1089 command_print(cmd_ctx, "(%i) %s (/%i): 0x%s (dirty: %i, valid: %i)", count++, cache->reg_list[i].name, cache->reg_list[i].size, value, cache->reg_list[i].dirty, cache->reg_list[i].valid);
1090 free(value);
1091 }
1092 cache = cache->next;
1093 }
1094
1095 return ERROR_OK;
1096 }
1097
1098 /* access a single register by its ordinal number */
1099 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1100 {
1101 int num = strtoul(args[0], NULL, 0);
1102 reg_cache_t *cache = target->reg_cache;
1103
1104 count = 0;
1105 while(cache)
1106 {
1107 int i;
1108 for (i = 0; i < cache->num_regs; i++)
1109 {
1110 if (count++ == num)
1111 {
1112 reg = &cache->reg_list[i];
1113 break;
1114 }
1115 }
1116 if (reg)
1117 break;
1118 cache = cache->next;
1119 }
1120
1121 if (!reg)
1122 {
1123 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1124 return ERROR_OK;
1125 }
1126 } else /* access a single register by its name */
1127 {
1128 reg = register_get_by_name(target->reg_cache, args[0], 1);
1129
1130 if (!reg)
1131 {
1132 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1133 return ERROR_OK;
1134 }
1135 }
1136
1137 /* display a register */
1138 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1139 {
1140 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1141 reg->valid = 0;
1142
1143 if (reg->valid == 0)
1144 {
1145 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1146 if (arch_type == NULL)
1147 {
1148 ERROR("BUG: encountered unregistered arch type");
1149 return ERROR_OK;
1150 }
1151 arch_type->get(reg);
1152 }
1153 value = buf_to_str(reg->value, reg->size, 16);
1154 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1155 free(value);
1156 return ERROR_OK;
1157 }
1158
1159 /* set register value */
1160 if (argc == 2)
1161 {
1162 u8 *buf = malloc(CEIL(reg->size, 8));
1163 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1164
1165 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1166 if (arch_type == NULL)
1167 {
1168 ERROR("BUG: encountered unregistered arch type");
1169 return ERROR_OK;
1170 }
1171
1172 arch_type->set(reg, buf);
1173
1174 value = buf_to_str(reg->value, reg->size, 16);
1175 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1176 free(value);
1177
1178 free(buf);
1179
1180 return ERROR_OK;
1181 }
1182
1183 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1184
1185 return ERROR_OK;
1186 }
1187
1188 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1189 {
1190 target_t *target = get_current_target(cmd_ctx);
1191 char buffer[512];
1192
1193 if (argc == 0)
1194 {
1195 command_print(cmd_ctx, "target state: %s", target_state_strings[target->type->poll(target)]);
1196 if (target->state == TARGET_HALTED)
1197 {
1198 target->type->arch_state(target, buffer, 512);
1199 buffer[511] = 0;
1200 command_print(cmd_ctx, "%s", buffer);
1201 }
1202 }
1203 else
1204 {
1205 if (strcmp(args[0], "on") == 0)
1206 {
1207 target_continous_poll = 1;
1208 }
1209 else if (strcmp(args[0], "off") == 0)
1210 {
1211 target_continous_poll = 0;
1212 }
1213 }
1214
1215
1216 return ERROR_OK;
1217 }
1218
1219 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1220 {
1221 target_t *target = get_current_target(cmd_ctx);
1222 struct timeval timeout, now;
1223
1224 gettimeofday(&timeout, NULL);
1225 timeval_add_time(&timeout, 5, 0);
1226
1227 command_print(cmd_ctx, "waiting for target halted...");
1228
1229 while(target->type->poll(target))
1230 {
1231 if (target->state == TARGET_HALTED)
1232 {
1233 command_print(cmd_ctx, "target halted");
1234 break;
1235 }
1236 target_call_timer_callbacks();
1237
1238 gettimeofday(&now, NULL);
1239 if ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec))
1240 {
1241 command_print(cmd_ctx, "timed out while waiting for target halt");
1242 ERROR("timed out while waiting for target halt");
1243 break;
1244 }
1245 }
1246
1247 return ERROR_OK;
1248 }
1249
1250 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1251 {
1252 int retval;
1253 target_t *target = get_current_target(cmd_ctx);
1254
1255 DEBUG("");
1256
1257 command_print(cmd_ctx, "requesting target halt...");
1258
1259 if ((retval = target->type->halt(target)) != ERROR_OK)
1260 {
1261 switch (retval)
1262 {
1263 case ERROR_TARGET_ALREADY_HALTED:
1264 command_print(cmd_ctx, "target already halted");
1265 break;
1266 case ERROR_TARGET_TIMEOUT:
1267 command_print(cmd_ctx, "target timed out... shutting down");
1268 exit(-1);
1269 default:
1270 command_print(cmd_ctx, "unknown error... shutting down");
1271 exit(-1);
1272 }
1273 }
1274
1275 return ERROR_OK;
1276
1277 }
1278
1279 /* what to do on daemon startup */
1280 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1281 {
1282 if (argc == 1)
1283 {
1284 if (strcmp(args[0], "attach") == 0)
1285 {
1286 startup_mode = DAEMON_ATTACH;
1287 return ERROR_OK;
1288 }
1289 else if (strcmp(args[0], "reset") == 0)
1290 {
1291 startup_mode = DAEMON_RESET;
1292 return ERROR_OK;
1293 }
1294 }
1295
1296 WARNING("invalid daemon_startup configuration directive: %s", args[0]);
1297 return ERROR_OK;
1298
1299 }
1300
1301 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1302 {
1303 target_t *target = get_current_target(cmd_ctx);
1304 int retval;
1305
1306 command_print(cmd_ctx, "requesting target halt and executing a soft reset");
1307
1308 if ((retval = target->type->soft_reset_halt(target)) != ERROR_OK)
1309 {
1310 switch (retval)
1311 {
1312 case ERROR_TARGET_TIMEOUT:
1313 command_print(cmd_ctx, "target timed out... shutting down");
1314 exit(-1);
1315 default:
1316 command_print(cmd_ctx, "unknown error... shutting down");
1317 exit(-1);
1318 }
1319 }
1320
1321 return ERROR_OK;
1322 }
1323
1324 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1325 {
1326 target_t *target = get_current_target(cmd_ctx);
1327 enum target_reset_mode reset_mode = RESET_RUN;
1328
1329 DEBUG("");
1330
1331 if (argc >= 1)
1332 {
1333 if (strcmp("run", args[0]) == 0)
1334 reset_mode = RESET_RUN;
1335 else if (strcmp("halt", args[0]) == 0)
1336 reset_mode = RESET_HALT;
1337 else if (strcmp("init", args[0]) == 0)
1338 reset_mode = RESET_INIT;
1339 else if (strcmp("run_and_halt", args[0]) == 0)
1340 {
1341 reset_mode = RESET_RUN_AND_HALT;
1342 if (argc >= 2)
1343 {
1344 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1345 }
1346 }
1347 else if (strcmp("run_and_init", args[0]) == 0)
1348 {
1349 reset_mode = RESET_RUN_AND_INIT;
1350 if (argc >= 2)
1351 {
1352 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1353 }
1354 }
1355 else
1356 {
1357 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1358 return ERROR_OK;
1359 }
1360 target->reset_mode = reset_mode;
1361 }
1362
1363 target_process_reset(cmd_ctx);
1364
1365 return ERROR_OK;
1366 }
1367
1368 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1369 {
1370 int retval;
1371 target_t *target = get_current_target(cmd_ctx);
1372
1373 DEBUG("");
1374
1375 if (argc == 0)
1376 retval = target->type->resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1377 else if (argc == 1)
1378 retval = target->type->resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1379 else
1380 {
1381 command_print(cmd_ctx, "usage: resume [address]");
1382 return ERROR_OK;
1383 }
1384
1385 if (retval != ERROR_OK)
1386 {
1387 switch (retval)
1388 {
1389 case ERROR_TARGET_NOT_HALTED:
1390 command_print(cmd_ctx, "target not halted");
1391 break;
1392 default:
1393 command_print(cmd_ctx, "unknown error... shutting down");
1394 exit(-1);
1395 }
1396 }
1397
1398 return ERROR_OK;
1399 }
1400
1401 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1402 {
1403 target_t *target = get_current_target(cmd_ctx);
1404
1405 DEBUG("");
1406
1407 if (argc == 0)
1408 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1409
1410 if (argc == 1)
1411 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1412
1413 return ERROR_OK;
1414 }
1415
1416 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1417 {
1418 int count = 1;
1419 int size = 4;
1420 u32 address = 0;
1421 int i;
1422
1423 char output[128];
1424 int output_len;
1425
1426 int retval;
1427
1428 u8 *buffer;
1429 target_t *target = get_current_target(cmd_ctx);
1430
1431 if (argc < 1)
1432 return ERROR_OK;
1433
1434 if (argc == 2)
1435 count = strtoul(args[1], NULL, 0);
1436
1437 address = strtoul(args[0], NULL, 0);
1438
1439
1440 switch (cmd[2])
1441 {
1442 case 'w':
1443 size = 4;
1444 break;
1445 case 'h':
1446 size = 2;
1447 break;
1448 case 'b':
1449 size = 1;
1450 break;
1451 default:
1452 return ERROR_OK;
1453 }
1454
1455 buffer = calloc(count, size);
1456 if ((retval = target->type->read_memory(target, address, size, count, buffer)) != ERROR_OK)
1457 {
1458 switch (retval)
1459 {
1460 case ERROR_TARGET_UNALIGNED_ACCESS:
1461 command_print(cmd_ctx, "error: address not aligned");
1462 break;
1463 case ERROR_TARGET_NOT_HALTED:
1464 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1465 break;
1466 case ERROR_TARGET_DATA_ABORT:
1467 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1468 break;
1469 default:
1470 command_print(cmd_ctx, "error: unknown error");
1471 break;
1472 }
1473 return ERROR_OK;
1474 }
1475
1476 output_len = 0;
1477
1478 for (i = 0; i < count; i++)
1479 {
1480 if (i%8 == 0)
1481 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1482
1483 switch (size)
1484 {
1485 case 4:
1486 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1487 break;
1488 case 2:
1489 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1490 break;
1491 case 1:
1492 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1493 break;
1494 }
1495
1496 if ((i%8 == 7) || (i == count - 1))
1497 {
1498 command_print(cmd_ctx, output);
1499 output_len = 0;
1500 }
1501 }
1502
1503 free(buffer);
1504
1505 return ERROR_OK;
1506 }
1507
1508 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1509 {
1510 u32 address = 0;
1511 u32 value = 0;
1512 int retval;
1513 target_t *target = get_current_target(cmd_ctx);
1514 u8 value_buf[4];
1515
1516 if (argc < 2)
1517 return ERROR_OK;
1518
1519 address = strtoul(args[0], NULL, 0);
1520 value = strtoul(args[1], NULL, 0);
1521
1522 switch (cmd[2])
1523 {
1524 case 'w':
1525 target_buffer_set_u32(target, value_buf, value);
1526 retval = target->type->write_memory(target, address, 4, 1, value_buf);
1527 break;
1528 case 'h':
1529 target_buffer_set_u16(target, value_buf, value);
1530 retval = target->type->write_memory(target, address, 2, 1, value_buf);
1531 break;
1532 case 'b':
1533 value_buf[0] = value;
1534 retval = target->type->write_memory(target, address, 1, 1, value_buf);
1535 break;
1536 default:
1537 return ERROR_OK;
1538 }
1539
1540 switch (retval)
1541 {
1542 case ERROR_TARGET_UNALIGNED_ACCESS:
1543 command_print(cmd_ctx, "error: address not aligned");
1544 break;
1545 case ERROR_TARGET_DATA_ABORT:
1546 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1547 break;
1548 case ERROR_TARGET_NOT_HALTED:
1549 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1550 break;
1551 case ERROR_OK:
1552 break;
1553 default:
1554 command_print(cmd_ctx, "error: unknown error");
1555 break;
1556 }
1557
1558 return ERROR_OK;
1559
1560 }
1561
1562 int handle_load_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1563 {
1564 FILE *binary;
1565 u32 address;
1566 struct stat binary_stat;
1567 u32 binary_size;
1568
1569 u8 *buffer;
1570 u32 buf_cnt;
1571
1572 struct timeval start, end, duration;
1573
1574 target_t *target = get_current_target(cmd_ctx);
1575
1576 if (argc != 2)
1577 {
1578 command_print(cmd_ctx, "usage: load_binary <filename> <address>");
1579 return ERROR_OK;
1580 }
1581
1582 address = strtoul(args[1], NULL, 0);
1583
1584 if (stat(args[0], &binary_stat) == -1)
1585 {
1586 ERROR("couldn't stat() %s: %s", args[0], strerror(errno));
1587 command_print(cmd_ctx, "error accessing file %s", args[0]);
1588 return ERROR_OK;
1589 }
1590
1591 if (!(binary = fopen(args[0], "rb")))
1592 {
1593 ERROR("couldn't open %s: %s", args[0], strerror(errno));
1594 command_print(cmd_ctx, "error accessing file %s", args[0]);
1595 return ERROR_OK;
1596 }
1597
1598 buffer = malloc(128 * 1024);
1599
1600 gettimeofday(&start, NULL);
1601
1602 binary_size = binary_stat.st_size;
1603 while (binary_size > 0)
1604 {
1605 buf_cnt = fread(buffer, 1, 128*1024, binary);
1606 target_write_buffer(target, address, buf_cnt, buffer);
1607 address += buf_cnt;
1608 binary_size -= buf_cnt;
1609 }
1610
1611 gettimeofday(&end, NULL);
1612
1613 free(buffer);
1614
1615 timeval_subtract(&duration, &end, &start);
1616 command_print(cmd_ctx, "downloaded %lli byte in %is %ius", (long long) binary_stat.st_size, duration.tv_sec, duration.tv_usec);
1617
1618 fclose(binary);
1619
1620 return ERROR_OK;
1621
1622 }
1623
1624 int handle_dump_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1625 {
1626 FILE *binary;
1627 u32 address;
1628 u32 size;
1629 u8 buffer[560];
1630
1631 struct timeval start, end, duration;
1632
1633 target_t *target = get_current_target(cmd_ctx);
1634
1635 if (argc != 3)
1636 {
1637 command_print(cmd_ctx, "usage: dump_binary <filename> <address> <size>");
1638 return ERROR_OK;
1639 }
1640
1641 address = strtoul(args[1], NULL, 0);
1642 size = strtoul(args[2], NULL, 0);
1643
1644 if (!(binary = fopen(args[0], "wb")))
1645 {
1646 ERROR("couldn't open %s for writing: %s", args[0], strerror(errno));
1647 command_print(cmd_ctx, "error accessing file %s", args[0]);
1648 return ERROR_OK;
1649 }
1650
1651 if ((address & 3) || (size & 3))
1652 {
1653 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
1654 return ERROR_OK;
1655 }
1656
1657 gettimeofday(&start, NULL);
1658
1659 while (size > 0)
1660 {
1661 u32 this_run_size = (size > 560) ? 560 : size;
1662 target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
1663 fwrite(buffer, 1, this_run_size, binary);
1664 size -= this_run_size;
1665 address += this_run_size;
1666 }
1667
1668 fclose(binary);
1669
1670 gettimeofday(&end, NULL);
1671
1672 timeval_subtract(&duration, &end, &start);
1673 command_print(cmd_ctx, "dumped %i byte in %is %ius", strtoul(args[2], NULL, 0), duration.tv_sec, duration.tv_usec);
1674
1675 return ERROR_OK;
1676
1677 }
1678
1679 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1680 {
1681 int retval;
1682 target_t *target = get_current_target(cmd_ctx);
1683
1684 if (argc == 0)
1685 {
1686 breakpoint_t *breakpoint = target->breakpoints;
1687
1688 while (breakpoint)
1689 {
1690 if (breakpoint->type == BKPT_SOFT)
1691 {
1692 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
1693 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
1694 free(buf);
1695 }
1696 else
1697 {
1698 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
1699 }
1700 breakpoint = breakpoint->next;
1701 }
1702 }
1703 else if (argc >= 2)
1704 {
1705 int hw = BKPT_SOFT;
1706 u32 length = 0;
1707
1708 length = strtoul(args[1], NULL, 0);
1709
1710 if (argc >= 3)
1711 if (strcmp(args[2], "hw") == 0)
1712 hw = BKPT_HARD;
1713
1714 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
1715 {
1716 switch (retval)
1717 {
1718 case ERROR_TARGET_NOT_HALTED:
1719 command_print(cmd_ctx, "target must be halted to set breakpoints");
1720 break;
1721 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
1722 command_print(cmd_ctx, "no more breakpoints available");
1723 break;
1724 default:
1725 command_print(cmd_ctx, "unknown error, breakpoint not set");
1726 break;
1727 }
1728 }
1729 else
1730 {
1731 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
1732 }
1733 }
1734 else
1735 {
1736 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
1737 }
1738
1739 return ERROR_OK;
1740 }
1741
1742 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1743 {
1744 target_t *target = get_current_target(cmd_ctx);
1745
1746 if (argc > 0)
1747 breakpoint_remove(target, strtoul(args[0], NULL, 0));
1748
1749 return ERROR_OK;
1750 }
1751
1752 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1753 {
1754 target_t *target = get_current_target(cmd_ctx);
1755
1756 if (argc == 0)
1757 {
1758 watchpoint_t *watchpoint = target->watchpoints;
1759
1760 while (watchpoint)
1761 {
1762 command_print(cmd_ctx, "address: 0x%8.8x, mask: 0x%8.8x, r/w/a: %i, value: 0x%8.8x, mask: 0x%8.8x", watchpoint->address, watchpoint->length, watchpoint->rw, watchpoint->value, watchpoint->mask);
1763 watchpoint = watchpoint->next;
1764 }
1765 }
1766 else if (argc >= 2)
1767 {
1768 enum watchpoint_rw type = WPT_ACCESS;
1769 u32 data_value = 0x0;
1770 u32 data_mask = 0xffffffff;
1771
1772 if (argc >= 3)
1773 {
1774 switch(args[2][0])
1775 {
1776 case 'r':
1777 type = WPT_READ;
1778 break;
1779 case 'w':
1780 type = WPT_WRITE;
1781 break;
1782 case 'a':
1783 type = WPT_ACCESS;
1784 break;
1785 default:
1786 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1787 return ERROR_OK;
1788 }
1789 }
1790 if (argc >= 4)
1791 {
1792 data_value = strtoul(args[3], NULL, 0);
1793 }
1794 if (argc >= 5)
1795 {
1796 data_mask = strtoul(args[4], NULL, 0);
1797 }
1798 watchpoint_add(target, strtoul(args[0], NULL, 0), strtoul(args[1], NULL, 0), type, data_value, data_mask);
1799 }
1800 else
1801 {
1802 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1803 }
1804
1805 return ERROR_OK;
1806 }
1807
1808 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1809 {
1810 target_t *target = get_current_target(cmd_ctx);
1811
1812 if (argc > 0)
1813 watchpoint_remove(target, strtoul(args[0], NULL, 0));
1814
1815 return ERROR_OK;
1816 }
1817