050a523e712d964024ccdf57e2652ee1547f3643
[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 #include <fileio.h>
46
47 int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
48
49 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
50 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
51 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
52
53 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
54 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
55 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
56
57 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
58 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
59 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
60 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
61 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
62 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
63 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
64 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
65 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
66 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
67 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
68 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
69 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
70 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
71 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
72 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
73
74 /* targets
75 */
76 extern target_type_t arm7tdmi_target;
77 extern target_type_t arm720t_target;
78 extern target_type_t arm9tdmi_target;
79 extern target_type_t arm920t_target;
80 extern target_type_t arm966e_target;
81 extern target_type_t arm926ejs_target;
82 extern target_type_t xscale_target;
83
84 target_type_t *target_types[] =
85 {
86 &arm7tdmi_target,
87 &arm9tdmi_target,
88 &arm920t_target,
89 &arm720t_target,
90 &arm966e_target,
91 &arm926ejs_target,
92 &xscale_target,
93 NULL,
94 };
95
96 target_t *targets = NULL;
97 target_event_callback_t *target_event_callbacks = NULL;
98 target_timer_callback_t *target_timer_callbacks = NULL;
99
100 char *target_state_strings[] =
101 {
102 "unknown",
103 "running",
104 "halted",
105 "reset",
106 "debug_running",
107 };
108
109 char *target_debug_reason_strings[] =
110 {
111 "debug request", "breakpoint", "watchpoint",
112 "watchpoint and breakpoint", "single step",
113 "target not halted"
114 };
115
116 char *target_endianess_strings[] =
117 {
118 "big endian",
119 "little endian",
120 };
121
122 enum daemon_startup_mode startup_mode = DAEMON_ATTACH;
123
124 static int target_continous_poll = 1;
125
126 /* read a u32 from a buffer in target memory endianness */
127 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
128 {
129 if (target->endianness == TARGET_LITTLE_ENDIAN)
130 return le_to_h_u32(buffer);
131 else
132 return be_to_h_u32(buffer);
133 }
134
135 /* read a u16 from a buffer in target memory endianness */
136 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
137 {
138 if (target->endianness == TARGET_LITTLE_ENDIAN)
139 return le_to_h_u16(buffer);
140 else
141 return be_to_h_u16(buffer);
142 }
143
144 /* write a u32 to a buffer in target memory endianness */
145 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
146 {
147 if (target->endianness == TARGET_LITTLE_ENDIAN)
148 h_u32_to_le(buffer, value);
149 else
150 h_u32_to_be(buffer, value);
151 }
152
153 /* write a u16 to a buffer in target memory endianness */
154 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
155 {
156 if (target->endianness == TARGET_LITTLE_ENDIAN)
157 h_u16_to_le(buffer, value);
158 else
159 h_u16_to_be(buffer, value);
160 }
161
162 /* returns a pointer to the n-th configured target */
163 target_t* get_target_by_num(int num)
164 {
165 target_t *target = targets;
166 int i = 0;
167
168 while (target)
169 {
170 if (num == i)
171 return target;
172 target = target->next;
173 i++;
174 }
175
176 return NULL;
177 }
178
179 int get_num_by_target(target_t *query_target)
180 {
181 target_t *target = targets;
182 int i = 0;
183
184 while (target)
185 {
186 if (target == query_target)
187 return i;
188 target = target->next;
189 i++;
190 }
191
192 return -1;
193 }
194
195 target_t* get_current_target(command_context_t *cmd_ctx)
196 {
197 target_t *target = get_target_by_num(cmd_ctx->current_target);
198
199 if (target == NULL)
200 {
201 ERROR("BUG: current_target out of bounds");
202 exit(-1);
203 }
204
205 return target;
206 }
207
208 /* Process target initialization, when target entered debug out of reset
209 * the handler is unregistered at the end of this function, so it's only called once
210 */
211 int target_init_handler(struct target_s *target, enum target_event event, void *priv)
212 {
213 FILE *script;
214 struct command_context_s *cmd_ctx = priv;
215
216 if ((event == TARGET_EVENT_HALTED) && (target->reset_script))
217 {
218 target_unregister_event_callback(target_init_handler, priv);
219
220 script = fopen(target->reset_script, "r");
221 if (!script)
222 {
223 ERROR("couldn't open script file %s", target->reset_script);
224 return ERROR_OK;
225 }
226
227 INFO("executing reset script '%s'", target->reset_script);
228 command_run_file(cmd_ctx, script, COMMAND_EXEC);
229 fclose(script);
230
231 jtag_execute_queue();
232 }
233
234 return ERROR_OK;
235 }
236
237 int target_run_and_halt_handler(void *priv)
238 {
239 target_t *target = priv;
240
241 target->type->halt(target);
242
243 return ERROR_OK;
244 }
245
246 int target_process_reset(struct command_context_s *cmd_ctx)
247 {
248 int retval = ERROR_OK;
249 target_t *target;
250
251 /* prepare reset_halt where necessary */
252 target = targets;
253 while (target)
254 {
255 switch (target->reset_mode)
256 {
257 case RESET_HALT:
258 case RESET_INIT:
259 target->type->prepare_reset_halt(target);
260 break;
261 default:
262 break;
263 }
264 target = target->next;
265 }
266
267 target = targets;
268 while (target)
269 {
270 target->type->assert_reset(target);
271 target = target->next;
272 }
273 jtag_execute_queue();
274
275 /* request target halt if necessary, and schedule further action */
276 target = targets;
277 while (target)
278 {
279 switch (target->reset_mode)
280 {
281 case RESET_RUN:
282 /* nothing to do if target just wants to be run */
283 break;
284 case RESET_RUN_AND_HALT:
285 /* schedule halt */
286 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
287 break;
288 case RESET_RUN_AND_INIT:
289 /* schedule halt */
290 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
291 target_register_event_callback(target_init_handler, cmd_ctx);
292 break;
293 case RESET_HALT:
294 target->type->halt(target);
295 break;
296 case RESET_INIT:
297 target->type->halt(target);
298 target_register_event_callback(target_init_handler, cmd_ctx);
299 break;
300 default:
301 ERROR("BUG: unknown target->reset_mode");
302 }
303 target = target->next;
304 }
305
306 target = targets;
307 while (target)
308 {
309 target->type->deassert_reset(target);
310 target = target->next;
311 }
312 jtag_execute_queue();
313
314 return retval;
315 }
316
317 int target_init(struct command_context_s *cmd_ctx)
318 {
319 target_t *target = targets;
320
321 while (target)
322 {
323 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
324 {
325 ERROR("target '%s' init failed", target->type->name);
326 exit(-1);
327 }
328 target = target->next;
329 }
330
331 if (targets)
332 {
333 target_register_user_commands(cmd_ctx);
334 target_register_timer_callback(handle_target, 100, 1, NULL);
335 }
336
337 if (startup_mode == DAEMON_RESET)
338 target_process_reset(cmd_ctx);
339
340 return ERROR_OK;
341 }
342
343 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
344 {
345 target_event_callback_t **callbacks_p = &target_event_callbacks;
346
347 if (callback == NULL)
348 {
349 return ERROR_INVALID_ARGUMENTS;
350 }
351
352 if (*callbacks_p)
353 {
354 while ((*callbacks_p)->next)
355 callbacks_p = &((*callbacks_p)->next);
356 callbacks_p = &((*callbacks_p)->next);
357 }
358
359 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
360 (*callbacks_p)->callback = callback;
361 (*callbacks_p)->priv = priv;
362 (*callbacks_p)->next = NULL;
363
364 return ERROR_OK;
365 }
366
367 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
368 {
369 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
370 struct timeval now;
371
372 if (callback == NULL)
373 {
374 return ERROR_INVALID_ARGUMENTS;
375 }
376
377 if (*callbacks_p)
378 {
379 while ((*callbacks_p)->next)
380 callbacks_p = &((*callbacks_p)->next);
381 callbacks_p = &((*callbacks_p)->next);
382 }
383
384 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
385 (*callbacks_p)->callback = callback;
386 (*callbacks_p)->periodic = periodic;
387 (*callbacks_p)->time_ms = time_ms;
388
389 gettimeofday(&now, NULL);
390 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
391 time_ms -= (time_ms % 1000);
392 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
393 if ((*callbacks_p)->when.tv_usec > 1000000)
394 {
395 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
396 (*callbacks_p)->when.tv_sec += 1;
397 }
398
399 (*callbacks_p)->priv = priv;
400 (*callbacks_p)->next = NULL;
401
402 return ERROR_OK;
403 }
404
405 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
406 {
407 target_event_callback_t **p = &target_event_callbacks;
408 target_event_callback_t *c = target_event_callbacks;
409
410 if (callback == NULL)
411 {
412 return ERROR_INVALID_ARGUMENTS;
413 }
414
415 while (c)
416 {
417 target_event_callback_t *next = c->next;
418 if ((c->callback == callback) && (c->priv == priv))
419 {
420 *p = next;
421 free(c);
422 return ERROR_OK;
423 }
424 else
425 p = &(c->next);
426 c = next;
427 }
428
429 return ERROR_OK;
430 }
431
432 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
433 {
434 target_timer_callback_t **p = &target_timer_callbacks;
435 target_timer_callback_t *c = target_timer_callbacks;
436
437 if (callback == NULL)
438 {
439 return ERROR_INVALID_ARGUMENTS;
440 }
441
442 while (c)
443 {
444 target_timer_callback_t *next = c->next;
445 if ((c->callback == callback) && (c->priv == priv))
446 {
447 *p = next;
448 free(c);
449 return ERROR_OK;
450 }
451 else
452 p = &(c->next);
453 c = next;
454 }
455
456 return ERROR_OK;
457 }
458
459 int target_call_event_callbacks(target_t *target, enum target_event event)
460 {
461 target_event_callback_t *callback = target_event_callbacks;
462 target_event_callback_t *next_callback;
463
464 DEBUG("target event %i", event);
465
466 while (callback)
467 {
468 next_callback = callback->next;
469 callback->callback(target, event, callback->priv);
470 callback = next_callback;
471 }
472
473 return ERROR_OK;
474 }
475
476 int target_call_timer_callbacks()
477 {
478 target_timer_callback_t *callback = target_timer_callbacks;
479 target_timer_callback_t *next_callback;
480 struct timeval now;
481
482 gettimeofday(&now, NULL);
483
484 while (callback)
485 {
486 next_callback = callback->next;
487
488 if (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
489 || (now.tv_sec > callback->when.tv_sec))
490 {
491 callback->callback(callback->priv);
492 if (callback->periodic)
493 {
494 int time_ms = callback->time_ms;
495 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
496 time_ms -= (time_ms % 1000);
497 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
498 if (callback->when.tv_usec > 1000000)
499 {
500 callback->when.tv_usec = callback->when.tv_usec - 1000000;
501 callback->when.tv_sec += 1;
502 }
503 }
504 else
505 target_unregister_timer_callback(callback->callback, callback->priv);
506 }
507
508 callback = next_callback;
509 }
510
511 return ERROR_OK;
512 }
513
514 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
515 {
516 working_area_t *c = target->working_areas;
517 working_area_t *new_wa = NULL;
518
519 /* only allocate multiples of 4 byte */
520 if (size % 4)
521 {
522 ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
523 size = CEIL(size, 4);
524 }
525
526 /* see if there's already a matching working area */
527 while (c)
528 {
529 if ((c->free) && (c->size == size))
530 {
531 new_wa = c;
532 break;
533 }
534 c = c->next;
535 }
536
537 /* if not, allocate a new one */
538 if (!new_wa)
539 {
540 working_area_t **p = &target->working_areas;
541 u32 first_free = target->working_area;
542 u32 free_size = target->working_area_size;
543
544 DEBUG("allocating new working area");
545
546 c = target->working_areas;
547 while (c)
548 {
549 first_free += c->size;
550 free_size -= c->size;
551 p = &c->next;
552 c = c->next;
553 }
554
555 if (free_size < size)
556 {
557 WARNING("not enough working area available");
558 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
559 }
560
561 new_wa = malloc(sizeof(working_area_t));
562 new_wa->next = NULL;
563 new_wa->size = size;
564 new_wa->address = first_free;
565
566 if (target->backup_working_area)
567 {
568 new_wa->backup = malloc(new_wa->size);
569 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
570 }
571 else
572 {
573 new_wa->backup = NULL;
574 }
575
576 /* put new entry in list */
577 *p = new_wa;
578 }
579
580 /* mark as used, and return the new (reused) area */
581 new_wa->free = 0;
582 *area = new_wa;
583
584 /* user pointer */
585 new_wa->user = area;
586
587 return ERROR_OK;
588 }
589
590 int target_free_working_area(struct target_s *target, working_area_t *area)
591 {
592 if (area->free)
593 return ERROR_OK;
594
595 if (target->backup_working_area)
596 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
597
598 area->free = 1;
599
600 /* mark user pointer invalid */
601 *area->user = NULL;
602 area->user = NULL;
603
604 return ERROR_OK;
605 }
606
607 int target_free_all_working_areas(struct target_s *target)
608 {
609 working_area_t *c = target->working_areas;
610
611 while (c)
612 {
613 working_area_t *next = c->next;
614 target_free_working_area(target, c);
615
616 if (c->backup)
617 free(c->backup);
618
619 free(c);
620
621 c = next;
622 }
623
624 target->working_areas = NULL;
625
626 return ERROR_OK;
627 }
628
629 int target_register_commands(struct command_context_s *cmd_ctx)
630 {
631 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, NULL);
632 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
633 register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG, NULL);
634 register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
635 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, NULL);
636 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_CONFIG, NULL);
637
638 return ERROR_OK;
639 }
640
641 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
642 {
643 int retval;
644
645 DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
646
647 /* handle writes of less than 4 byte */
648 if (size < 4)
649 {
650 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
651 return retval;
652 }
653
654 /* handle unaligned head bytes */
655 if (address % 4)
656 {
657 int unaligned = 4 - (address % 4);
658
659 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
660 return retval;
661
662 buffer += unaligned;
663 address += unaligned;
664 size -= unaligned;
665 }
666
667 /* handle aligned words */
668 if (size >= 4)
669 {
670 int aligned = size - (size % 4);
671
672 /* use bulk writes above a certain limit. This may have to be changed */
673 if (aligned > 128)
674 {
675 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
676 return retval;
677 }
678 else
679 {
680 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
681 return retval;
682 }
683
684 buffer += aligned;
685 address += aligned;
686 size -= aligned;
687 }
688
689 /* handle tail writes of less than 4 bytes */
690 if (size > 0)
691 {
692 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
693 return retval;
694 }
695
696 return ERROR_OK;
697 }
698
699 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
700 {
701 int retval;
702
703 DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
704
705 /* handle reads of less than 4 byte */
706 if (size < 4)
707 {
708 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
709 return retval;
710 }
711
712 /* handle unaligned head bytes */
713 if (address % 4)
714 {
715 int unaligned = 4 - (address % 4);
716
717 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
718 return retval;
719
720 buffer += unaligned;
721 address += unaligned;
722 size -= unaligned;
723 }
724
725 /* handle aligned words */
726 if (size >= 4)
727 {
728 int aligned = size - (size % 4);
729
730 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
731 return retval;
732
733 buffer += aligned;
734 address += aligned;
735 size -= aligned;
736 }
737
738 /* handle tail writes of less than 4 bytes */
739 if (size > 0)
740 {
741 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
742 return retval;
743 }
744
745 return ERROR_OK;
746 }
747
748 int target_read_u32(struct target_s *target, u32 address, u32 *value)
749 {
750 u8 value_buf[4];
751
752 int retval = target->type->read_memory(target, address, 4, 1, value_buf);
753
754 if (retval == ERROR_OK)
755 {
756 *value = target_buffer_get_u32(target, value_buf);
757 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
758 }
759 else
760 {
761 *value = 0x0;
762 DEBUG("address: 0x%8.8x failed", address);
763 }
764
765 return retval;
766 }
767
768 int target_read_u16(struct target_s *target, u32 address, u16 *value)
769 {
770 u8 value_buf[2];
771
772 int retval = target->type->read_memory(target, address, 2, 1, value_buf);
773
774 if (retval == ERROR_OK)
775 {
776 *value = target_buffer_get_u16(target, value_buf);
777 DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
778 }
779 else
780 {
781 *value = 0x0;
782 DEBUG("address: 0x%8.8x failed", address);
783 }
784
785 return retval;
786 }
787
788 int target_read_u8(struct target_s *target, u32 address, u8 *value)
789 {
790 int retval = target->type->read_memory(target, address, 1, 1, value);
791
792 if (retval == ERROR_OK)
793 {
794 DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
795 }
796 else
797 {
798 *value = 0x0;
799 DEBUG("address: 0x%8.8x failed", address);
800 }
801
802 return retval;
803 }
804
805 int target_write_u32(struct target_s *target, u32 address, u32 value)
806 {
807 int retval;
808 u8 value_buf[4];
809
810 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
811
812 target_buffer_set_u32(target, value_buf, value);
813 if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
814 {
815 DEBUG("failed: %i", retval);
816 }
817
818 return retval;
819 }
820
821 int target_write_u16(struct target_s *target, u32 address, u16 value)
822 {
823 int retval;
824 u8 value_buf[2];
825
826 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
827
828 target_buffer_set_u16(target, value_buf, value);
829 if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
830 {
831 DEBUG("failed: %i", retval);
832 }
833
834 return retval;
835 }
836
837 int target_write_u8(struct target_s *target, u32 address, u8 value)
838 {
839 int retval;
840
841 DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
842
843 if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
844 {
845 DEBUG("failed: %i", retval);
846 }
847
848 return retval;
849 }
850
851 int target_register_user_commands(struct command_context_s *cmd_ctx)
852 {
853 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
854 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
855 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
856 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
857 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
858 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction");
859 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
860 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
861
862 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
863 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
864 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
865
866 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value>");
867 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value>");
868 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value>");
869
870 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
871 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
872 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
873 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
874
875 register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex']");
876 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
877 register_command(cmd_ctx, NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
878 register_command(cmd_ctx, NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
879
880 return ERROR_OK;
881 }
882
883 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
884 {
885 target_t *target = targets;
886 int count = 0;
887
888 if (argc == 1)
889 {
890 int num = strtoul(args[0], NULL, 0);
891
892 while (target)
893 {
894 count++;
895 target = target->next;
896 }
897
898 if (num < count)
899 cmd_ctx->current_target = num;
900 else
901 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
902
903 return ERROR_OK;
904 }
905
906 while (target)
907 {
908 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
909 target = target->next;
910 }
911
912 return ERROR_OK;
913 }
914
915 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
916 {
917 int i;
918 int found = 0;
919
920 if (argc < 3)
921 {
922 ERROR("target command requires at least three arguments: <type> <endianess> <reset_mode>");
923 exit(-1);
924 }
925
926 /* search for the specified target */
927 if (args[0] && (args[0][0] != 0))
928 {
929 for (i = 0; target_types[i]; i++)
930 {
931 if (strcmp(args[0], target_types[i]->name) == 0)
932 {
933 target_t **last_target_p = &targets;
934
935 /* register target specific commands */
936 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
937 {
938 ERROR("couldn't register '%s' commands", args[0]);
939 exit(-1);
940 }
941
942 if (*last_target_p)
943 {
944 while ((*last_target_p)->next)
945 last_target_p = &((*last_target_p)->next);
946 last_target_p = &((*last_target_p)->next);
947 }
948
949 *last_target_p = malloc(sizeof(target_t));
950
951 (*last_target_p)->type = target_types[i];
952
953 if (strcmp(args[1], "big") == 0)
954 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
955 else if (strcmp(args[1], "little") == 0)
956 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
957 else
958 {
959 ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
960 exit(-1);
961 }
962
963 /* what to do on a target reset */
964 if (strcmp(args[2], "reset_halt") == 0)
965 (*last_target_p)->reset_mode = RESET_HALT;
966 else if (strcmp(args[2], "reset_run") == 0)
967 (*last_target_p)->reset_mode = RESET_RUN;
968 else if (strcmp(args[2], "reset_init") == 0)
969 (*last_target_p)->reset_mode = RESET_INIT;
970 else if (strcmp(args[2], "run_and_halt") == 0)
971 (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
972 else if (strcmp(args[2], "run_and_init") == 0)
973 (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
974 else
975 {
976 ERROR("unknown target startup mode %s", args[2]);
977 exit(-1);
978 }
979 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
980
981 (*last_target_p)->reset_script = NULL;
982 (*last_target_p)->post_halt_script = NULL;
983 (*last_target_p)->pre_resume_script = NULL;
984
985 (*last_target_p)->working_area = 0x0;
986 (*last_target_p)->working_area_size = 0x0;
987 (*last_target_p)->working_areas = NULL;
988 (*last_target_p)->backup_working_area = 0;
989
990 (*last_target_p)->state = TARGET_UNKNOWN;
991 (*last_target_p)->reg_cache = NULL;
992 (*last_target_p)->breakpoints = NULL;
993 (*last_target_p)->watchpoints = NULL;
994 (*last_target_p)->next = NULL;
995 (*last_target_p)->arch_info = NULL;
996
997 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
998
999 found = 1;
1000 break;
1001 }
1002 }
1003 }
1004
1005 /* no matching target found */
1006 if (!found)
1007 {
1008 ERROR("target '%s' not found", args[0]);
1009 exit(-1);
1010 }
1011
1012 return ERROR_OK;
1013 }
1014
1015 /* usage: target_script <target#> <event> <script_file> */
1016 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1017 {
1018 target_t *target = NULL;
1019
1020 if (argc < 3)
1021 {
1022 ERROR("incomplete target_script command");
1023 exit(-1);
1024 }
1025
1026 target = get_target_by_num(strtoul(args[0], NULL, 0));
1027
1028 if (!target)
1029 {
1030 ERROR("target number '%s' not defined", args[0]);
1031 exit(-1);
1032 }
1033
1034 if (strcmp(args[1], "reset") == 0)
1035 {
1036 if (target->reset_script)
1037 free(target->reset_script);
1038 target->reset_script = strdup(args[2]);
1039 }
1040 else if (strcmp(args[1], "post_halt") == 0)
1041 {
1042 if (target->post_halt_script)
1043 free(target->post_halt_script);
1044 target->post_halt_script = strdup(args[2]);
1045 }
1046 else if (strcmp(args[1], "pre_resume") == 0)
1047 {
1048 if (target->pre_resume_script)
1049 free(target->pre_resume_script);
1050 target->pre_resume_script = strdup(args[2]);
1051 }
1052 else
1053 {
1054 ERROR("unknown event type: '%s", args[1]);
1055 exit(-1);
1056 }
1057
1058 return ERROR_OK;
1059 }
1060
1061 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1062 {
1063 target_t *target = NULL;
1064
1065 if (argc < 2)
1066 {
1067 ERROR("incomplete run_and_halt_time command");
1068 exit(-1);
1069 }
1070
1071 target = get_target_by_num(strtoul(args[0], NULL, 0));
1072
1073 if (!target)
1074 {
1075 ERROR("target number '%s' not defined", args[0]);
1076 exit(-1);
1077 }
1078
1079 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1080
1081 return ERROR_OK;
1082 }
1083
1084 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1085 {
1086 target_t *target = NULL;
1087
1088 if (argc < 4)
1089 {
1090 ERROR("incomplete working_area command. usage: working_area <target#> <address> <size> <'backup'|'nobackup'>");
1091 exit(-1);
1092 }
1093
1094 target = get_target_by_num(strtoul(args[0], NULL, 0));
1095
1096 if (!target)
1097 {
1098 ERROR("target number '%s' not defined", args[0]);
1099 exit(-1);
1100 }
1101
1102 target->working_area = strtoul(args[1], NULL, 0);
1103 target->working_area_size = strtoul(args[2], NULL, 0);
1104
1105 if (strcmp(args[3], "backup") == 0)
1106 {
1107 target->backup_working_area = 1;
1108 }
1109 else if (strcmp(args[3], "nobackup") == 0)
1110 {
1111 target->backup_working_area = 0;
1112 }
1113 else
1114 {
1115 ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1116 exit(-1);
1117 }
1118
1119 return ERROR_OK;
1120 }
1121
1122
1123 /* process target state changes */
1124 int handle_target(void *priv)
1125 {
1126 int retval;
1127 target_t *target = targets;
1128
1129 while (target)
1130 {
1131 /* only poll if target isn't already halted */
1132 if (target->state != TARGET_HALTED)
1133 {
1134 if (target_continous_poll)
1135 if ((retval = target->type->poll(target)) < 0)
1136 {
1137 ERROR("couldn't poll target, exiting");
1138 exit(-1);
1139 }
1140 }
1141
1142 target = target->next;
1143 }
1144
1145 return ERROR_OK;
1146 }
1147
1148 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1149 {
1150 target_t *target;
1151 reg_t *reg = NULL;
1152 int count = 0;
1153 char *value;
1154
1155 DEBUG("-");
1156
1157 target = get_current_target(cmd_ctx);
1158
1159 /* list all available registers for the current target */
1160 if (argc == 0)
1161 {
1162 reg_cache_t *cache = target->reg_cache;
1163
1164 count = 0;
1165 while(cache)
1166 {
1167 int i;
1168 for (i = 0; i < cache->num_regs; i++)
1169 {
1170 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1171 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);
1172 free(value);
1173 }
1174 cache = cache->next;
1175 }
1176
1177 return ERROR_OK;
1178 }
1179
1180 /* access a single register by its ordinal number */
1181 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1182 {
1183 int num = strtoul(args[0], NULL, 0);
1184 reg_cache_t *cache = target->reg_cache;
1185
1186 count = 0;
1187 while(cache)
1188 {
1189 int i;
1190 for (i = 0; i < cache->num_regs; i++)
1191 {
1192 if (count++ == num)
1193 {
1194 reg = &cache->reg_list[i];
1195 break;
1196 }
1197 }
1198 if (reg)
1199 break;
1200 cache = cache->next;
1201 }
1202
1203 if (!reg)
1204 {
1205 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1206 return ERROR_OK;
1207 }
1208 } else /* access a single register by its name */
1209 {
1210 reg = register_get_by_name(target->reg_cache, args[0], 1);
1211
1212 if (!reg)
1213 {
1214 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1215 return ERROR_OK;
1216 }
1217 }
1218
1219 /* display a register */
1220 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1221 {
1222 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1223 reg->valid = 0;
1224
1225 if (reg->valid == 0)
1226 {
1227 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1228 if (arch_type == NULL)
1229 {
1230 ERROR("BUG: encountered unregistered arch type");
1231 return ERROR_OK;
1232 }
1233 arch_type->get(reg);
1234 }
1235 value = buf_to_str(reg->value, reg->size, 16);
1236 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1237 free(value);
1238 return ERROR_OK;
1239 }
1240
1241 /* set register value */
1242 if (argc == 2)
1243 {
1244 u8 *buf = malloc(CEIL(reg->size, 8));
1245 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1246
1247 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1248 if (arch_type == NULL)
1249 {
1250 ERROR("BUG: encountered unregistered arch type");
1251 return ERROR_OK;
1252 }
1253
1254 arch_type->set(reg, buf);
1255
1256 value = buf_to_str(reg->value, reg->size, 16);
1257 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1258 free(value);
1259
1260 free(buf);
1261
1262 return ERROR_OK;
1263 }
1264
1265 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1266
1267 return ERROR_OK;
1268 }
1269
1270 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1271 {
1272 target_t *target = get_current_target(cmd_ctx);
1273 char buffer[512];
1274
1275 if (argc == 0)
1276 {
1277 command_print(cmd_ctx, "target state: %s", target_state_strings[target->type->poll(target)]);
1278 if (target->state == TARGET_HALTED)
1279 {
1280 target->type->arch_state(target, buffer, 512);
1281 buffer[511] = 0;
1282 command_print(cmd_ctx, "%s", buffer);
1283 }
1284 }
1285 else
1286 {
1287 if (strcmp(args[0], "on") == 0)
1288 {
1289 target_continous_poll = 1;
1290 }
1291 else if (strcmp(args[0], "off") == 0)
1292 {
1293 target_continous_poll = 0;
1294 }
1295 }
1296
1297
1298 return ERROR_OK;
1299 }
1300
1301 int handle_wait_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 struct timeval timeout, now;
1305
1306 gettimeofday(&timeout, NULL);
1307 if (!argc)
1308 timeval_add_time(&timeout, 5, 0);
1309 else {
1310 char *end;
1311
1312 timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
1313 if (*end) {
1314 command_print(cmd_ctx, "usage: wait_halt [seconds]");
1315 return ERROR_OK;
1316 }
1317 }
1318
1319 command_print(cmd_ctx, "waiting for target halted...");
1320
1321 while(target->type->poll(target))
1322 {
1323 if (target->state == TARGET_HALTED)
1324 {
1325 command_print(cmd_ctx, "target halted");
1326 break;
1327 }
1328 target_call_timer_callbacks();
1329
1330 gettimeofday(&now, NULL);
1331 if ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec))
1332 {
1333 command_print(cmd_ctx, "timed out while waiting for target halt");
1334 ERROR("timed out while waiting for target halt");
1335 break;
1336 }
1337 }
1338
1339 return ERROR_OK;
1340 }
1341
1342 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1343 {
1344 int retval;
1345 target_t *target = get_current_target(cmd_ctx);
1346
1347 DEBUG("-");
1348
1349 command_print(cmd_ctx, "requesting target halt...");
1350
1351 if ((retval = target->type->halt(target)) != ERROR_OK)
1352 {
1353 switch (retval)
1354 {
1355 case ERROR_TARGET_ALREADY_HALTED:
1356 command_print(cmd_ctx, "target already halted");
1357 break;
1358 case ERROR_TARGET_TIMEOUT:
1359 command_print(cmd_ctx, "target timed out... shutting down");
1360 exit(-1);
1361 default:
1362 command_print(cmd_ctx, "unknown error... shutting down");
1363 exit(-1);
1364 }
1365 }
1366
1367 return ERROR_OK;
1368
1369 }
1370
1371 /* what to do on daemon startup */
1372 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1373 {
1374 if (argc == 1)
1375 {
1376 if (strcmp(args[0], "attach") == 0)
1377 {
1378 startup_mode = DAEMON_ATTACH;
1379 return ERROR_OK;
1380 }
1381 else if (strcmp(args[0], "reset") == 0)
1382 {
1383 startup_mode = DAEMON_RESET;
1384 return ERROR_OK;
1385 }
1386 }
1387
1388 WARNING("invalid daemon_startup configuration directive: %s", args[0]);
1389 return ERROR_OK;
1390
1391 }
1392
1393 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1394 {
1395 target_t *target = get_current_target(cmd_ctx);
1396 int retval;
1397
1398 command_print(cmd_ctx, "requesting target halt and executing a soft reset");
1399
1400 if ((retval = target->type->soft_reset_halt(target)) != ERROR_OK)
1401 {
1402 switch (retval)
1403 {
1404 case ERROR_TARGET_TIMEOUT:
1405 command_print(cmd_ctx, "target timed out... shutting down");
1406 exit(-1);
1407 default:
1408 command_print(cmd_ctx, "unknown error... shutting down");
1409 exit(-1);
1410 }
1411 }
1412
1413 return ERROR_OK;
1414 }
1415
1416 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1417 {
1418 target_t *target = get_current_target(cmd_ctx);
1419 enum target_reset_mode reset_mode = RESET_RUN;
1420
1421 DEBUG("-");
1422
1423 if (argc >= 1)
1424 {
1425 if (strcmp("run", args[0]) == 0)
1426 reset_mode = RESET_RUN;
1427 else if (strcmp("halt", args[0]) == 0)
1428 reset_mode = RESET_HALT;
1429 else if (strcmp("init", args[0]) == 0)
1430 reset_mode = RESET_INIT;
1431 else if (strcmp("run_and_halt", args[0]) == 0)
1432 {
1433 reset_mode = RESET_RUN_AND_HALT;
1434 if (argc >= 2)
1435 {
1436 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1437 }
1438 }
1439 else if (strcmp("run_and_init", args[0]) == 0)
1440 {
1441 reset_mode = RESET_RUN_AND_INIT;
1442 if (argc >= 2)
1443 {
1444 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1445 }
1446 }
1447 else
1448 {
1449 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1450 return ERROR_OK;
1451 }
1452 target->reset_mode = reset_mode;
1453 }
1454
1455 target_process_reset(cmd_ctx);
1456
1457 return ERROR_OK;
1458 }
1459
1460 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1461 {
1462 int retval;
1463 target_t *target = get_current_target(cmd_ctx);
1464
1465 DEBUG("-");
1466
1467 if (argc == 0)
1468 retval = target->type->resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1469 else if (argc == 1)
1470 retval = target->type->resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1471 else
1472 {
1473 command_print(cmd_ctx, "usage: resume [address]");
1474 return ERROR_OK;
1475 }
1476
1477 if (retval != ERROR_OK)
1478 {
1479 switch (retval)
1480 {
1481 case ERROR_TARGET_NOT_HALTED:
1482 command_print(cmd_ctx, "target not halted");
1483 break;
1484 default:
1485 command_print(cmd_ctx, "unknown error... shutting down");
1486 exit(-1);
1487 }
1488 }
1489
1490 return ERROR_OK;
1491 }
1492
1493 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1494 {
1495 target_t *target = get_current_target(cmd_ctx);
1496
1497 DEBUG("-");
1498
1499 if (argc == 0)
1500 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1501
1502 if (argc == 1)
1503 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1504
1505 return ERROR_OK;
1506 }
1507
1508 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1509 {
1510 int count = 1;
1511 int size = 4;
1512 u32 address = 0;
1513 int i;
1514
1515 char output[128];
1516 int output_len;
1517
1518 int retval;
1519
1520 u8 *buffer;
1521 target_t *target = get_current_target(cmd_ctx);
1522
1523 if (argc < 1)
1524 return ERROR_OK;
1525
1526 if (argc == 2)
1527 count = strtoul(args[1], NULL, 0);
1528
1529 address = strtoul(args[0], NULL, 0);
1530
1531
1532 switch (cmd[2])
1533 {
1534 case 'w':
1535 size = 4;
1536 break;
1537 case 'h':
1538 size = 2;
1539 break;
1540 case 'b':
1541 size = 1;
1542 break;
1543 default:
1544 return ERROR_OK;
1545 }
1546
1547 buffer = calloc(count, size);
1548 if ((retval = target->type->read_memory(target, address, size, count, buffer)) != ERROR_OK)
1549 {
1550 switch (retval)
1551 {
1552 case ERROR_TARGET_UNALIGNED_ACCESS:
1553 command_print(cmd_ctx, "error: address not aligned");
1554 break;
1555 case ERROR_TARGET_NOT_HALTED:
1556 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1557 break;
1558 case ERROR_TARGET_DATA_ABORT:
1559 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1560 break;
1561 default:
1562 command_print(cmd_ctx, "error: unknown error");
1563 break;
1564 }
1565 return ERROR_OK;
1566 }
1567
1568 output_len = 0;
1569
1570 for (i = 0; i < count; i++)
1571 {
1572 if (i%8 == 0)
1573 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1574
1575 switch (size)
1576 {
1577 case 4:
1578 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1579 break;
1580 case 2:
1581 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1582 break;
1583 case 1:
1584 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1585 break;
1586 }
1587
1588 if ((i%8 == 7) || (i == count - 1))
1589 {
1590 command_print(cmd_ctx, output);
1591 output_len = 0;
1592 }
1593 }
1594
1595 free(buffer);
1596
1597 return ERROR_OK;
1598 }
1599
1600 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1601 {
1602 u32 address = 0;
1603 u32 value = 0;
1604 int retval;
1605 target_t *target = get_current_target(cmd_ctx);
1606 u8 value_buf[4];
1607
1608 if (argc < 2)
1609 return ERROR_OK;
1610
1611 address = strtoul(args[0], NULL, 0);
1612 value = strtoul(args[1], NULL, 0);
1613
1614 switch (cmd[2])
1615 {
1616 case 'w':
1617 target_buffer_set_u32(target, value_buf, value);
1618 retval = target->type->write_memory(target, address, 4, 1, value_buf);
1619 break;
1620 case 'h':
1621 target_buffer_set_u16(target, value_buf, value);
1622 retval = target->type->write_memory(target, address, 2, 1, value_buf);
1623 break;
1624 case 'b':
1625 value_buf[0] = value;
1626 retval = target->type->write_memory(target, address, 1, 1, value_buf);
1627 break;
1628 default:
1629 return ERROR_OK;
1630 }
1631
1632 switch (retval)
1633 {
1634 case ERROR_TARGET_UNALIGNED_ACCESS:
1635 command_print(cmd_ctx, "error: address not aligned");
1636 break;
1637 case ERROR_TARGET_DATA_ABORT:
1638 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1639 break;
1640 case ERROR_TARGET_NOT_HALTED:
1641 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1642 break;
1643 case ERROR_OK:
1644 break;
1645 default:
1646 command_print(cmd_ctx, "error: unknown error");
1647 break;
1648 }
1649
1650 return ERROR_OK;
1651
1652 }
1653
1654 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1655 {
1656 u32 address;
1657 u8 *buffer;
1658 u32 buf_cnt;
1659 u32 binary_size;
1660
1661 fileio_t file;
1662 enum fileio_pri_type pri_type = FILEIO_IMAGE;
1663 fileio_image_t image_info;
1664 enum fileio_sec_type sec_type;
1665
1666 duration_t duration;
1667 char *duration_text;
1668
1669 target_t *target = get_current_target(cmd_ctx);
1670
1671 if (argc < 2)
1672 {
1673 command_print(cmd_ctx, "usage: load_image <filename> <address> [type]");
1674 return ERROR_OK;
1675 }
1676
1677 memset(&file, 0, sizeof(fileio_t));
1678 fileio_identify_image_type(&sec_type, (argc == 3) ? args[2] : NULL);
1679
1680 image_info.base_address = strtoul(args[1], NULL, 0);
1681 image_info.has_start_address = 0;
1682
1683 buffer = malloc(128 * 1024);
1684
1685 duration_start_measure(&duration);
1686
1687 if (fileio_open(&file, args[0], FILEIO_READ,
1688 pri_type, &image_info, sec_type) != ERROR_OK)
1689 {
1690 command_print(cmd_ctx, "load_image error: %s", file.error_str);
1691 return ERROR_OK;
1692 }
1693
1694 binary_size = file.size;
1695 address = image_info.base_address;
1696 while ((binary_size > 0) &&
1697 (fileio_read(&file, 128 * 1024, buffer, &buf_cnt) == ERROR_OK))
1698 {
1699 target_write_buffer(target, address, buf_cnt, buffer);
1700 address += buf_cnt;
1701 binary_size -= buf_cnt;
1702 }
1703
1704 free(buffer);
1705
1706 duration_stop_measure(&duration, &duration_text);
1707 command_print(cmd_ctx, "downloaded %lli byte in %s", file.size, duration_text);
1708 free(duration_text);
1709
1710 fileio_close(&file);
1711
1712 return ERROR_OK;
1713
1714 }
1715
1716 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1717 {
1718 fileio_t file;
1719 fileio_image_t image_info;
1720
1721 u32 address;
1722 u32 size;
1723 u8 buffer[560];
1724
1725 duration_t duration;
1726 char *duration_text;
1727
1728 target_t *target = get_current_target(cmd_ctx);
1729
1730 if (argc != 3)
1731 {
1732 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
1733 return ERROR_OK;
1734 }
1735
1736 address = strtoul(args[1], NULL, 0);
1737 size = strtoul(args[2], NULL, 0);
1738
1739 if ((address & 3) || (size & 3))
1740 {
1741 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
1742 return ERROR_OK;
1743 }
1744
1745 image_info.base_address = address;
1746 image_info.has_start_address = 0;
1747
1748 if (fileio_open(&file, args[0], FILEIO_WRITE,
1749 FILEIO_IMAGE, &image_info, FILEIO_PLAIN) != ERROR_OK)
1750 {
1751 command_print(cmd_ctx, "dump_image error: %s", file.error_str);
1752 return ERROR_OK;
1753 }
1754
1755 duration_start_measure(&duration);
1756
1757 while (size > 0)
1758 {
1759 u32 size_written;
1760 u32 this_run_size = (size > 560) ? 560 : size;
1761
1762 target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
1763 fileio_write(&file, this_run_size, buffer, &size_written);
1764
1765 size -= this_run_size;
1766 address += this_run_size;
1767 }
1768
1769 fileio_close(&file);
1770
1771 duration_stop_measure(&duration, &duration_text);
1772 command_print(cmd_ctx, "dumped %lli byte in %s", file.size, duration_text);
1773 free(duration_text);
1774
1775 return ERROR_OK;
1776
1777 }
1778
1779 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1780 {
1781 int retval;
1782 target_t *target = get_current_target(cmd_ctx);
1783
1784 if (argc == 0)
1785 {
1786 breakpoint_t *breakpoint = target->breakpoints;
1787
1788 while (breakpoint)
1789 {
1790 if (breakpoint->type == BKPT_SOFT)
1791 {
1792 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
1793 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
1794 free(buf);
1795 }
1796 else
1797 {
1798 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
1799 }
1800 breakpoint = breakpoint->next;
1801 }
1802 }
1803 else if (argc >= 2)
1804 {
1805 int hw = BKPT_SOFT;
1806 u32 length = 0;
1807
1808 length = strtoul(args[1], NULL, 0);
1809
1810 if (argc >= 3)
1811 if (strcmp(args[2], "hw") == 0)
1812 hw = BKPT_HARD;
1813
1814 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
1815 {
1816 switch (retval)
1817 {
1818 case ERROR_TARGET_NOT_HALTED:
1819 command_print(cmd_ctx, "target must be halted to set breakpoints");
1820 break;
1821 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
1822 command_print(cmd_ctx, "no more breakpoints available");
1823 break;
1824 default:
1825 command_print(cmd_ctx, "unknown error, breakpoint not set");
1826 break;
1827 }
1828 }
1829 else
1830 {
1831 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
1832 }
1833 }
1834 else
1835 {
1836 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
1837 }
1838
1839 return ERROR_OK;
1840 }
1841
1842 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1843 {
1844 target_t *target = get_current_target(cmd_ctx);
1845
1846 if (argc > 0)
1847 breakpoint_remove(target, strtoul(args[0], NULL, 0));
1848
1849 return ERROR_OK;
1850 }
1851
1852 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1853 {
1854 target_t *target = get_current_target(cmd_ctx);
1855
1856 if (argc == 0)
1857 {
1858 watchpoint_t *watchpoint = target->watchpoints;
1859
1860 while (watchpoint)
1861 {
1862 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);
1863 watchpoint = watchpoint->next;
1864 }
1865 }
1866 else if (argc >= 2)
1867 {
1868 enum watchpoint_rw type = WPT_ACCESS;
1869 u32 data_value = 0x0;
1870 u32 data_mask = 0xffffffff;
1871
1872 if (argc >= 3)
1873 {
1874 switch(args[2][0])
1875 {
1876 case 'r':
1877 type = WPT_READ;
1878 break;
1879 case 'w':
1880 type = WPT_WRITE;
1881 break;
1882 case 'a':
1883 type = WPT_ACCESS;
1884 break;
1885 default:
1886 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1887 return ERROR_OK;
1888 }
1889 }
1890 if (argc >= 4)
1891 {
1892 data_value = strtoul(args[3], NULL, 0);
1893 }
1894 if (argc >= 5)
1895 {
1896 data_mask = strtoul(args[4], NULL, 0);
1897 }
1898 watchpoint_add(target, strtoul(args[0], NULL, 0), strtoul(args[1], NULL, 0), type, data_value, data_mask);
1899 }
1900 else
1901 {
1902 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1903 }
1904
1905 return ERROR_OK;
1906 }
1907
1908 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1909 {
1910 target_t *target = get_current_target(cmd_ctx);
1911
1912 if (argc > 0)
1913 watchpoint_remove(target, strtoul(args[0], NULL, 0));
1914
1915 return ERROR_OK;
1916 }
1917