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- fixed arm926 cp15 command bug (thanks to Vincent Palatin for this patch)
[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
83 target_type_t *target_types[] =
84 {
85 &arm7tdmi_target,
86 &arm9tdmi_target,
87 &arm920t_target,
88 &arm720t_target,
89 &arm966e_target,
90 &arm926ejs_target,
91 NULL,
92 };
93
94 target_t *targets = NULL;
95 target_event_callback_t *target_event_callbacks = NULL;
96 target_timer_callback_t *target_timer_callbacks = NULL;
97
98 char *target_state_strings[] =
99 {
100 "unknown",
101 "running",
102 "halted",
103 "reset",
104 "debug_running",
105 };
106
107 char *target_debug_reason_strings[] =
108 {
109 "debug request", "breakpoint", "watchpoint",
110 "watchpoint and breakpoint", "single step",
111 "target not halted"
112 };
113
114 char *target_endianess_strings[] =
115 {
116 "big endian",
117 "little endian",
118 };
119
120 enum daemon_startup_mode startup_mode = DAEMON_ATTACH;
121
122 static int target_continous_poll = 1;
123
124 /* read a u32 from a buffer in target memory endianness */
125 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
126 {
127 if (target->endianness == TARGET_LITTLE_ENDIAN)
128 return le_to_h_u32(buffer);
129 else
130 return be_to_h_u32(buffer);
131 }
132
133 /* read a u16 from a buffer in target memory endianness */
134 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
135 {
136 if (target->endianness == TARGET_LITTLE_ENDIAN)
137 return le_to_h_u16(buffer);
138 else
139 return be_to_h_u16(buffer);
140 }
141
142 /* write a u32 to a buffer in target memory endianness */
143 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
144 {
145 if (target->endianness == TARGET_LITTLE_ENDIAN)
146 h_u32_to_le(buffer, value);
147 else
148 h_u32_to_be(buffer, value);
149 }
150
151 /* write a u16 to a buffer in target memory endianness */
152 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
153 {
154 if (target->endianness == TARGET_LITTLE_ENDIAN)
155 h_u16_to_le(buffer, value);
156 else
157 h_u16_to_be(buffer, value);
158 }
159
160 /* returns a pointer to the n-th configured target */
161 target_t* get_target_by_num(int num)
162 {
163 target_t *target = targets;
164 int i = 0;
165
166 while (target)
167 {
168 if (num == i)
169 return target;
170 target = target->next;
171 i++;
172 }
173
174 return NULL;
175 }
176
177 int get_num_by_target(target_t *query_target)
178 {
179 target_t *target = targets;
180 int i = 0;
181
182 while (target)
183 {
184 if (target == query_target)
185 return i;
186 target = target->next;
187 i++;
188 }
189
190 return -1;
191 }
192
193 target_t* get_current_target(command_context_t *cmd_ctx)
194 {
195 target_t *target = get_target_by_num(cmd_ctx->current_target);
196
197 if (target == NULL)
198 {
199 ERROR("BUG: current_target out of bounds");
200 exit(-1);
201 }
202
203 return target;
204 }
205
206 /* Process target initialization, when target entered debug out of reset
207 * the handler is unregistered at the end of this function, so it's only called once
208 */
209 int target_init_handler(struct target_s *target, enum target_event event, void *priv)
210 {
211 FILE *script;
212 struct command_context_s *cmd_ctx = priv;
213
214 if ((event == TARGET_EVENT_HALTED) && (target->reset_script))
215 {
216 target_unregister_event_callback(target_init_handler, priv);
217
218 script = fopen(target->reset_script, "r");
219 if (!script)
220 {
221 ERROR("couldn't open script file %s", target->reset_script);
222 return ERROR_OK;
223 }
224
225 INFO("executing reset script '%s'", target->reset_script);
226 command_run_file(cmd_ctx, script, COMMAND_EXEC);
227 fclose(script);
228
229 jtag_execute_queue();
230 }
231
232 return ERROR_OK;
233 }
234
235 int target_run_and_halt_handler(void *priv)
236 {
237 target_t *target = priv;
238
239 target->type->halt(target);
240
241 return ERROR_OK;
242 }
243
244 int target_process_reset(struct command_context_s *cmd_ctx)
245 {
246 int retval = ERROR_OK;
247 target_t *target;
248
249 target = targets;
250 while (target)
251 {
252 target->type->assert_reset(target);
253 target = target->next;
254 }
255 jtag_execute_queue();
256
257 /* request target halt if necessary, and schedule further action */
258 target = targets;
259 while (target)
260 {
261 switch (target->reset_mode)
262 {
263 case RESET_RUN:
264 /* nothing to do if target just wants to be run */
265 break;
266 case RESET_RUN_AND_HALT:
267 /* schedule halt */
268 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
269 break;
270 case RESET_RUN_AND_INIT:
271 /* schedule halt */
272 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
273 target_register_event_callback(target_init_handler, cmd_ctx);
274 break;
275 case RESET_HALT:
276 target->type->halt(target);
277 break;
278 case RESET_INIT:
279 target->type->halt(target);
280 target_register_event_callback(target_init_handler, cmd_ctx);
281 break;
282 default:
283 ERROR("BUG: unknown target->reset_mode");
284 }
285 target = target->next;
286 }
287
288 target = targets;
289 while (target)
290 {
291 target->type->deassert_reset(target);
292 target = target->next;
293 }
294 jtag_execute_queue();
295
296 return retval;
297 }
298
299 int target_init(struct command_context_s *cmd_ctx)
300 {
301 target_t *target = targets;
302
303 while (target)
304 {
305 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
306 {
307 ERROR("target '%s' init failed", target->type->name);
308 exit(-1);
309 }
310 target = target->next;
311 }
312
313 if (targets)
314 {
315 target_register_user_commands(cmd_ctx);
316 target_register_timer_callback(handle_target, 100, 1, NULL);
317 }
318
319 if (startup_mode == DAEMON_RESET)
320 target_process_reset(cmd_ctx);
321
322 return ERROR_OK;
323 }
324
325 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
326 {
327 target_event_callback_t **callbacks_p = &target_event_callbacks;
328
329 if (callback == NULL)
330 {
331 return ERROR_INVALID_ARGUMENTS;
332 }
333
334 if (*callbacks_p)
335 {
336 while ((*callbacks_p)->next)
337 callbacks_p = &((*callbacks_p)->next);
338 callbacks_p = &((*callbacks_p)->next);
339 }
340
341 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
342 (*callbacks_p)->callback = callback;
343 (*callbacks_p)->priv = priv;
344 (*callbacks_p)->next = NULL;
345
346 return ERROR_OK;
347 }
348
349 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
350 {
351 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
352 struct timeval now;
353
354 if (callback == NULL)
355 {
356 return ERROR_INVALID_ARGUMENTS;
357 }
358
359 if (*callbacks_p)
360 {
361 while ((*callbacks_p)->next)
362 callbacks_p = &((*callbacks_p)->next);
363 callbacks_p = &((*callbacks_p)->next);
364 }
365
366 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
367 (*callbacks_p)->callback = callback;
368 (*callbacks_p)->periodic = periodic;
369 (*callbacks_p)->time_ms = time_ms;
370
371 gettimeofday(&now, NULL);
372 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
373 time_ms -= (time_ms % 1000);
374 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
375 if ((*callbacks_p)->when.tv_usec > 1000000)
376 {
377 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
378 (*callbacks_p)->when.tv_sec += 1;
379 }
380
381 (*callbacks_p)->priv = priv;
382 (*callbacks_p)->next = NULL;
383
384 return ERROR_OK;
385 }
386
387 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
388 {
389 target_event_callback_t **p = &target_event_callbacks;
390 target_event_callback_t *c = target_event_callbacks;
391
392 if (callback == NULL)
393 {
394 return ERROR_INVALID_ARGUMENTS;
395 }
396
397 while (c)
398 {
399 target_event_callback_t *next = c->next;
400 if ((c->callback == callback) && (c->priv == priv))
401 {
402 *p = next;
403 free(c);
404 return ERROR_OK;
405 }
406 else
407 p = &(c->next);
408 c = next;
409 }
410
411 return ERROR_OK;
412 }
413
414 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
415 {
416 target_timer_callback_t **p = &target_timer_callbacks;
417 target_timer_callback_t *c = target_timer_callbacks;
418
419 if (callback == NULL)
420 {
421 return ERROR_INVALID_ARGUMENTS;
422 }
423
424 while (c)
425 {
426 target_timer_callback_t *next = c->next;
427 if ((c->callback == callback) && (c->priv == priv))
428 {
429 *p = next;
430 free(c);
431 return ERROR_OK;
432 }
433 else
434 p = &(c->next);
435 c = next;
436 }
437
438 return ERROR_OK;
439 }
440
441 int target_call_event_callbacks(target_t *target, enum target_event event)
442 {
443 target_event_callback_t *callback = target_event_callbacks;
444 target_event_callback_t *next_callback;
445
446 DEBUG("target event %i", event);
447
448 while (callback)
449 {
450 next_callback = callback->next;
451 callback->callback(target, event, callback->priv);
452 callback = next_callback;
453 }
454
455 return ERROR_OK;
456 }
457
458 int target_call_timer_callbacks()
459 {
460 target_timer_callback_t *callback = target_timer_callbacks;
461 target_timer_callback_t *next_callback;
462 struct timeval now;
463
464 gettimeofday(&now, NULL);
465
466 while (callback)
467 {
468 next_callback = callback->next;
469
470 if (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
471 || (now.tv_sec > callback->when.tv_sec))
472 {
473 callback->callback(callback->priv);
474 if (callback->periodic)
475 {
476 int time_ms = callback->time_ms;
477 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
478 time_ms -= (time_ms % 1000);
479 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
480 if (callback->when.tv_usec > 1000000)
481 {
482 callback->when.tv_usec = callback->when.tv_usec - 1000000;
483 callback->when.tv_sec += 1;
484 }
485 }
486 else
487 target_unregister_timer_callback(callback->callback, callback->priv);
488 }
489
490 callback = next_callback;
491 }
492
493 return ERROR_OK;
494 }
495
496 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
497 {
498 working_area_t *c = target->working_areas;
499 working_area_t *new_wa = NULL;
500
501 /* only allocate multiples of 4 byte */
502 if (size % 4)
503 {
504 ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
505 size = CEIL(size, 4);
506 }
507
508 /* see if there's already a matching working area */
509 while (c)
510 {
511 if ((c->free) && (c->size == size))
512 {
513 new_wa = c;
514 break;
515 }
516 c = c->next;
517 }
518
519 /* if not, allocate a new one */
520 if (!new_wa)
521 {
522 working_area_t **p = &target->working_areas;
523 u32 first_free = target->working_area;
524 u32 free_size = target->working_area_size;
525
526 DEBUG("allocating new working area");
527
528 c = target->working_areas;
529 while (c)
530 {
531 first_free += c->size;
532 free_size -= c->size;
533 p = &c->next;
534 c = c->next;
535 }
536
537 if (free_size < size)
538 {
539 WARNING("not enough working area available");
540 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
541 }
542
543 new_wa = malloc(sizeof(working_area_t));
544 new_wa->next = NULL;
545 new_wa->size = size;
546 new_wa->address = first_free;
547
548 if (target->backup_working_area)
549 {
550 new_wa->backup = malloc(new_wa->size);
551 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
552 }
553 else
554 {
555 new_wa->backup = NULL;
556 }
557
558 /* put new entry in list */
559 *p = new_wa;
560 }
561
562 /* mark as used, and return the new (reused) area */
563 new_wa->free = 0;
564 *area = new_wa;
565
566 /* user pointer */
567 new_wa->user = area;
568
569 return ERROR_OK;
570 }
571
572 int target_free_working_area(struct target_s *target, working_area_t *area)
573 {
574 if (area->free)
575 return ERROR_OK;
576
577 if (target->backup_working_area)
578 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
579
580 area->free = 1;
581
582 /* mark user pointer invalid */
583 *area->user = NULL;
584 area->user = NULL;
585
586 return ERROR_OK;
587 }
588
589 int target_free_all_working_areas(struct target_s *target)
590 {
591 working_area_t *c = target->working_areas;
592
593 while (c)
594 {
595 working_area_t *next = c->next;
596 target_free_working_area(target, c);
597
598 if (c->backup)
599 free(c->backup);
600
601 free(c);
602
603 c = next;
604 }
605
606 target->working_areas = NULL;
607
608 return ERROR_OK;
609 }
610
611 int target_register_commands(struct command_context_s *cmd_ctx)
612 {
613 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, NULL);
614 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
615 register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG, NULL);
616 register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
617 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, NULL);
618 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_CONFIG, NULL);
619
620 return ERROR_OK;
621 }
622
623 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
624 {
625 int retval;
626
627 DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
628
629 /* handle writes of less than 4 byte */
630 if (size < 4)
631 {
632 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
633 return retval;
634 }
635
636 /* handle unaligned head bytes */
637 if (address % 4)
638 {
639 int unaligned = 4 - (address % 4);
640
641 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
642 return retval;
643
644 buffer += unaligned;
645 address += unaligned;
646 size -= unaligned;
647 }
648
649 /* handle aligned words */
650 if (size >= 4)
651 {
652 int aligned = size - (size % 4);
653
654 /* use bulk writes above a certain limit. This may have to be changed */
655 if (aligned > 128)
656 {
657 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
658 return retval;
659 }
660 else
661 {
662 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
663 return retval;
664 }
665
666 buffer += aligned;
667 address += aligned;
668 size -= aligned;
669 }
670
671 /* handle tail writes of less than 4 bytes */
672 if (size > 0)
673 {
674 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
675 return retval;
676 }
677
678 return ERROR_OK;
679 }
680
681 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
682 {
683 int retval;
684
685 DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
686
687 /* handle reads of less than 4 byte */
688 if (size < 4)
689 {
690 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
691 return retval;
692 }
693
694 /* handle unaligned head bytes */
695 if (address % 4)
696 {
697 int unaligned = 4 - (address % 4);
698
699 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
700 return retval;
701
702 buffer += unaligned;
703 address += unaligned;
704 size -= unaligned;
705 }
706
707 /* handle aligned words */
708 if (size >= 4)
709 {
710 int aligned = size - (size % 4);
711
712 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
713 return retval;
714
715 buffer += aligned;
716 address += aligned;
717 size -= aligned;
718 }
719
720 /* handle tail writes of less than 4 bytes */
721 if (size > 0)
722 {
723 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
724 return retval;
725 }
726
727 return ERROR_OK;
728 }
729
730 void target_read_u32(struct target_s *target, u32 address, u32 *value)
731 {
732 u8 value_buf[4];
733
734 target->type->read_memory(target, address, 4, 1, value_buf);
735
736 *value = target_buffer_get_u32(target, value_buf);
737
738 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
739 }
740
741 void target_read_u16(struct target_s *target, u32 address, u16 *value)
742 {
743 u8 value_buf[2];
744
745 target->type->read_memory(target, address, 2, 1, value_buf);
746
747 *value = target_buffer_get_u16(target, value_buf);
748
749 DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
750 }
751
752 void target_read_u8(struct target_s *target, u32 address, u8 *value)
753 {
754 target->type->read_memory(target, address, 1, 1, value);
755
756 DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
757 }
758
759 void target_write_u32(struct target_s *target, u32 address, u32 value)
760 {
761 u8 value_buf[4];
762
763 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
764
765 target_buffer_set_u32(target, value_buf, value);
766 target->type->write_memory(target, address, 4, 1, value_buf);
767 }
768
769 void target_write_u16(struct target_s *target, u32 address, u16 value)
770 {
771 u8 value_buf[2];
772
773 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
774
775 target_buffer_set_u16(target, value_buf, value);
776 target->type->write_memory(target, address, 2, 1, value_buf);
777 }
778
779 void target_write_u8(struct target_s *target, u32 address, u8 value)
780 {
781 DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
782
783 target->type->read_memory(target, address, 1, 1, &value);
784 }
785
786 int target_register_user_commands(struct command_context_s *cmd_ctx)
787 {
788 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
789 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
790 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
791 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
792 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
793 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction");
794 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
795 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
796
797 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
798 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
799 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
800
801 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value>");
802 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value>");
803 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value>");
804
805 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
806 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
807 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
808 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
809
810 register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex']");
811 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
812 register_command(cmd_ctx, NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
813 register_command(cmd_ctx, NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
814
815 return ERROR_OK;
816 }
817
818 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
819 {
820 target_t *target = targets;
821 int count = 0;
822
823 if (argc == 1)
824 {
825 int num = strtoul(args[0], NULL, 0);
826
827 while (target)
828 {
829 count++;
830 target = target->next;
831 }
832
833 if (num < count)
834 cmd_ctx->current_target = num;
835 else
836 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
837
838 return ERROR_OK;
839 }
840
841 while (target)
842 {
843 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
844 target = target->next;
845 }
846
847 return ERROR_OK;
848 }
849
850 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
851 {
852 int i;
853 int found = 0;
854
855 if (argc < 3)
856 {
857 ERROR("target command requires at least three arguments: <type> <endianess> <reset_mode>");
858 exit(-1);
859 }
860
861 /* search for the specified target */
862 if (args[0] && (args[0][0] != 0))
863 {
864 for (i = 0; target_types[i]; i++)
865 {
866 if (strcmp(args[0], target_types[i]->name) == 0)
867 {
868 target_t **last_target_p = &targets;
869
870 /* register target specific commands */
871 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
872 {
873 ERROR("couldn't register '%s' commands", args[0]);
874 exit(-1);
875 }
876
877 if (*last_target_p)
878 {
879 while ((*last_target_p)->next)
880 last_target_p = &((*last_target_p)->next);
881 last_target_p = &((*last_target_p)->next);
882 }
883
884 *last_target_p = malloc(sizeof(target_t));
885
886 (*last_target_p)->type = target_types[i];
887
888 if (strcmp(args[1], "big") == 0)
889 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
890 else if (strcmp(args[1], "little") == 0)
891 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
892 else
893 {
894 ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
895 exit(-1);
896 }
897
898 /* what to do on a target reset */
899 if (strcmp(args[2], "reset_halt") == 0)
900 (*last_target_p)->reset_mode = RESET_HALT;
901 else if (strcmp(args[2], "reset_run") == 0)
902 (*last_target_p)->reset_mode = RESET_RUN;
903 else if (strcmp(args[2], "reset_init") == 0)
904 (*last_target_p)->reset_mode = RESET_INIT;
905 else if (strcmp(args[2], "run_and_halt") == 0)
906 (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
907 else if (strcmp(args[2], "run_and_init") == 0)
908 (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
909 else
910 {
911 ERROR("unknown target startup mode %s", args[2]);
912 exit(-1);
913 }
914 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
915
916 (*last_target_p)->reset_script = NULL;
917 (*last_target_p)->post_halt_script = NULL;
918 (*last_target_p)->pre_resume_script = NULL;
919
920 (*last_target_p)->working_area = 0x0;
921 (*last_target_p)->working_area_size = 0x0;
922 (*last_target_p)->working_areas = NULL;
923 (*last_target_p)->backup_working_area = 0;
924
925 (*last_target_p)->state = TARGET_UNKNOWN;
926 (*last_target_p)->reg_cache = NULL;
927 (*last_target_p)->breakpoints = NULL;
928 (*last_target_p)->watchpoints = NULL;
929 (*last_target_p)->next = NULL;
930 (*last_target_p)->arch_info = NULL;
931
932 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
933
934 found = 1;
935 break;
936 }
937 }
938 }
939
940 /* no matching target found */
941 if (!found)
942 {
943 ERROR("target '%s' not found", args[0]);
944 exit(-1);
945 }
946
947 return ERROR_OK;
948 }
949
950 /* usage: target_script <target#> <event> <script_file> */
951 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
952 {
953 target_t *target = NULL;
954
955 if (argc < 3)
956 {
957 ERROR("incomplete target_script command");
958 exit(-1);
959 }
960
961 target = get_target_by_num(strtoul(args[0], NULL, 0));
962
963 if (!target)
964 {
965 ERROR("target number '%s' not defined", args[0]);
966 exit(-1);
967 }
968
969 if (strcmp(args[1], "reset") == 0)
970 {
971 if (target->reset_script)
972 free(target->reset_script);
973 target->reset_script = strdup(args[2]);
974 }
975 else if (strcmp(args[1], "post_halt") == 0)
976 {
977 if (target->post_halt_script)
978 free(target->post_halt_script);
979 target->post_halt_script = strdup(args[2]);
980 }
981 else if (strcmp(args[1], "pre_resume") == 0)
982 {
983 if (target->pre_resume_script)
984 free(target->pre_resume_script);
985 target->pre_resume_script = strdup(args[2]);
986 }
987 else
988 {
989 ERROR("unknown event type: '%s", args[1]);
990 exit(-1);
991 }
992
993 return ERROR_OK;
994 }
995
996 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
997 {
998 target_t *target = NULL;
999
1000 if (argc < 2)
1001 {
1002 ERROR("incomplete run_and_halt_time command");
1003 exit(-1);
1004 }
1005
1006 target = get_target_by_num(strtoul(args[0], NULL, 0));
1007
1008 if (!target)
1009 {
1010 ERROR("target number '%s' not defined", args[0]);
1011 exit(-1);
1012 }
1013
1014 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1015
1016 return ERROR_OK;
1017 }
1018
1019 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1020 {
1021 target_t *target = NULL;
1022
1023 if (argc < 4)
1024 {
1025 ERROR("incomplete working_area command. usage: working_area <target#> <address> <size> <'backup'|'nobackup'>");
1026 exit(-1);
1027 }
1028
1029 target = get_target_by_num(strtoul(args[0], NULL, 0));
1030
1031 if (!target)
1032 {
1033 ERROR("target number '%s' not defined", args[0]);
1034 exit(-1);
1035 }
1036
1037 target->working_area = strtoul(args[1], NULL, 0);
1038 target->working_area_size = strtoul(args[2], NULL, 0);
1039
1040 if (strcmp(args[3], "backup") == 0)
1041 {
1042 target->backup_working_area = 1;
1043 }
1044 else if (strcmp(args[3], "nobackup") == 0)
1045 {
1046 target->backup_working_area = 0;
1047 }
1048 else
1049 {
1050 ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1051 exit(-1);
1052 }
1053
1054 return ERROR_OK;
1055 }
1056
1057
1058 /* process target state changes */
1059 int handle_target(void *priv)
1060 {
1061 int retval;
1062 target_t *target = targets;
1063
1064 while (target)
1065 {
1066 /* only poll if target isn't already halted */
1067 if (target->state != TARGET_HALTED)
1068 {
1069 if (target_continous_poll)
1070 if ((retval = target->type->poll(target)) < 0)
1071 {
1072 ERROR("couldn't poll target, exiting");
1073 exit(-1);
1074 }
1075 }
1076
1077 target = target->next;
1078 }
1079
1080 return ERROR_OK;
1081 }
1082
1083 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1084 {
1085 target_t *target;
1086 reg_t *reg = NULL;
1087 int count = 0;
1088 char *value;
1089
1090 DEBUG("-");
1091
1092 target = get_current_target(cmd_ctx);
1093
1094 /* list all available registers for the current target */
1095 if (argc == 0)
1096 {
1097 reg_cache_t *cache = target->reg_cache;
1098
1099 count = 0;
1100 while(cache)
1101 {
1102 int i;
1103 for (i = 0; i < cache->num_regs; i++)
1104 {
1105 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1106 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);
1107 free(value);
1108 }
1109 cache = cache->next;
1110 }
1111
1112 return ERROR_OK;
1113 }
1114
1115 /* access a single register by its ordinal number */
1116 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1117 {
1118 int num = strtoul(args[0], NULL, 0);
1119 reg_cache_t *cache = target->reg_cache;
1120
1121 count = 0;
1122 while(cache)
1123 {
1124 int i;
1125 for (i = 0; i < cache->num_regs; i++)
1126 {
1127 if (count++ == num)
1128 {
1129 reg = &cache->reg_list[i];
1130 break;
1131 }
1132 }
1133 if (reg)
1134 break;
1135 cache = cache->next;
1136 }
1137
1138 if (!reg)
1139 {
1140 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1141 return ERROR_OK;
1142 }
1143 } else /* access a single register by its name */
1144 {
1145 reg = register_get_by_name(target->reg_cache, args[0], 1);
1146
1147 if (!reg)
1148 {
1149 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1150 return ERROR_OK;
1151 }
1152 }
1153
1154 /* display a register */
1155 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1156 {
1157 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1158 reg->valid = 0;
1159
1160 if (reg->valid == 0)
1161 {
1162 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1163 if (arch_type == NULL)
1164 {
1165 ERROR("BUG: encountered unregistered arch type");
1166 return ERROR_OK;
1167 }
1168 arch_type->get(reg);
1169 }
1170 value = buf_to_str(reg->value, reg->size, 16);
1171 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1172 free(value);
1173 return ERROR_OK;
1174 }
1175
1176 /* set register value */
1177 if (argc == 2)
1178 {
1179 u8 *buf = malloc(CEIL(reg->size, 8));
1180 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1181
1182 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1183 if (arch_type == NULL)
1184 {
1185 ERROR("BUG: encountered unregistered arch type");
1186 return ERROR_OK;
1187 }
1188
1189 arch_type->set(reg, buf);
1190
1191 value = buf_to_str(reg->value, reg->size, 16);
1192 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1193 free(value);
1194
1195 free(buf);
1196
1197 return ERROR_OK;
1198 }
1199
1200 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1201
1202 return ERROR_OK;
1203 }
1204
1205 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1206 {
1207 target_t *target = get_current_target(cmd_ctx);
1208 char buffer[512];
1209
1210 if (argc == 0)
1211 {
1212 command_print(cmd_ctx, "target state: %s", target_state_strings[target->type->poll(target)]);
1213 if (target->state == TARGET_HALTED)
1214 {
1215 target->type->arch_state(target, buffer, 512);
1216 buffer[511] = 0;
1217 command_print(cmd_ctx, "%s", buffer);
1218 }
1219 }
1220 else
1221 {
1222 if (strcmp(args[0], "on") == 0)
1223 {
1224 target_continous_poll = 1;
1225 }
1226 else if (strcmp(args[0], "off") == 0)
1227 {
1228 target_continous_poll = 0;
1229 }
1230 }
1231
1232
1233 return ERROR_OK;
1234 }
1235
1236 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1237 {
1238 target_t *target = get_current_target(cmd_ctx);
1239 struct timeval timeout, now;
1240
1241 gettimeofday(&timeout, NULL);
1242 if (!argc)
1243 timeval_add_time(&timeout, 5, 0);
1244 else {
1245 char *end;
1246
1247 timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
1248 if (*end) {
1249 command_print(cmd_ctx, "usage: wait_halt [seconds]");
1250 return ERROR_OK;
1251 }
1252 }
1253
1254 command_print(cmd_ctx, "waiting for target halted...");
1255
1256 while(target->type->poll(target))
1257 {
1258 if (target->state == TARGET_HALTED)
1259 {
1260 command_print(cmd_ctx, "target halted");
1261 break;
1262 }
1263 target_call_timer_callbacks();
1264
1265 gettimeofday(&now, NULL);
1266 if ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec))
1267 {
1268 command_print(cmd_ctx, "timed out while waiting for target halt");
1269 ERROR("timed out while waiting for target halt");
1270 break;
1271 }
1272 }
1273
1274 return ERROR_OK;
1275 }
1276
1277 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1278 {
1279 int retval;
1280 target_t *target = get_current_target(cmd_ctx);
1281
1282 DEBUG("-");
1283
1284 command_print(cmd_ctx, "requesting target halt...");
1285
1286 if ((retval = target->type->halt(target)) != ERROR_OK)
1287 {
1288 switch (retval)
1289 {
1290 case ERROR_TARGET_ALREADY_HALTED:
1291 command_print(cmd_ctx, "target already halted");
1292 break;
1293 case ERROR_TARGET_TIMEOUT:
1294 command_print(cmd_ctx, "target timed out... shutting down");
1295 exit(-1);
1296 default:
1297 command_print(cmd_ctx, "unknown error... shutting down");
1298 exit(-1);
1299 }
1300 }
1301
1302 return ERROR_OK;
1303
1304 }
1305
1306 /* what to do on daemon startup */
1307 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1308 {
1309 if (argc == 1)
1310 {
1311 if (strcmp(args[0], "attach") == 0)
1312 {
1313 startup_mode = DAEMON_ATTACH;
1314 return ERROR_OK;
1315 }
1316 else if (strcmp(args[0], "reset") == 0)
1317 {
1318 startup_mode = DAEMON_RESET;
1319 return ERROR_OK;
1320 }
1321 }
1322
1323 WARNING("invalid daemon_startup configuration directive: %s", args[0]);
1324 return ERROR_OK;
1325
1326 }
1327
1328 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1329 {
1330 target_t *target = get_current_target(cmd_ctx);
1331 int retval;
1332
1333 command_print(cmd_ctx, "requesting target halt and executing a soft reset");
1334
1335 if ((retval = target->type->soft_reset_halt(target)) != ERROR_OK)
1336 {
1337 switch (retval)
1338 {
1339 case ERROR_TARGET_TIMEOUT:
1340 command_print(cmd_ctx, "target timed out... shutting down");
1341 exit(-1);
1342 default:
1343 command_print(cmd_ctx, "unknown error... shutting down");
1344 exit(-1);
1345 }
1346 }
1347
1348 return ERROR_OK;
1349 }
1350
1351 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1352 {
1353 target_t *target = get_current_target(cmd_ctx);
1354 enum target_reset_mode reset_mode = RESET_RUN;
1355
1356 DEBUG("-");
1357
1358 if (argc >= 1)
1359 {
1360 if (strcmp("run", args[0]) == 0)
1361 reset_mode = RESET_RUN;
1362 else if (strcmp("halt", args[0]) == 0)
1363 reset_mode = RESET_HALT;
1364 else if (strcmp("init", args[0]) == 0)
1365 reset_mode = RESET_INIT;
1366 else if (strcmp("run_and_halt", args[0]) == 0)
1367 {
1368 reset_mode = RESET_RUN_AND_HALT;
1369 if (argc >= 2)
1370 {
1371 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1372 }
1373 }
1374 else if (strcmp("run_and_init", args[0]) == 0)
1375 {
1376 reset_mode = RESET_RUN_AND_INIT;
1377 if (argc >= 2)
1378 {
1379 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1380 }
1381 }
1382 else
1383 {
1384 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1385 return ERROR_OK;
1386 }
1387 target->reset_mode = reset_mode;
1388 }
1389
1390 target_process_reset(cmd_ctx);
1391
1392 return ERROR_OK;
1393 }
1394
1395 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1396 {
1397 int retval;
1398 target_t *target = get_current_target(cmd_ctx);
1399
1400 DEBUG("-");
1401
1402 if (argc == 0)
1403 retval = target->type->resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1404 else if (argc == 1)
1405 retval = target->type->resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1406 else
1407 {
1408 command_print(cmd_ctx, "usage: resume [address]");
1409 return ERROR_OK;
1410 }
1411
1412 if (retval != ERROR_OK)
1413 {
1414 switch (retval)
1415 {
1416 case ERROR_TARGET_NOT_HALTED:
1417 command_print(cmd_ctx, "target not halted");
1418 break;
1419 default:
1420 command_print(cmd_ctx, "unknown error... shutting down");
1421 exit(-1);
1422 }
1423 }
1424
1425 return ERROR_OK;
1426 }
1427
1428 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1429 {
1430 target_t *target = get_current_target(cmd_ctx);
1431
1432 DEBUG("-");
1433
1434 if (argc == 0)
1435 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1436
1437 if (argc == 1)
1438 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1439
1440 return ERROR_OK;
1441 }
1442
1443 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1444 {
1445 int count = 1;
1446 int size = 4;
1447 u32 address = 0;
1448 int i;
1449
1450 char output[128];
1451 int output_len;
1452
1453 int retval;
1454
1455 u8 *buffer;
1456 target_t *target = get_current_target(cmd_ctx);
1457
1458 if (argc < 1)
1459 return ERROR_OK;
1460
1461 if (argc == 2)
1462 count = strtoul(args[1], NULL, 0);
1463
1464 address = strtoul(args[0], NULL, 0);
1465
1466
1467 switch (cmd[2])
1468 {
1469 case 'w':
1470 size = 4;
1471 break;
1472 case 'h':
1473 size = 2;
1474 break;
1475 case 'b':
1476 size = 1;
1477 break;
1478 default:
1479 return ERROR_OK;
1480 }
1481
1482 buffer = calloc(count, size);
1483 if ((retval = target->type->read_memory(target, address, size, count, buffer)) != ERROR_OK)
1484 {
1485 switch (retval)
1486 {
1487 case ERROR_TARGET_UNALIGNED_ACCESS:
1488 command_print(cmd_ctx, "error: address not aligned");
1489 break;
1490 case ERROR_TARGET_NOT_HALTED:
1491 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1492 break;
1493 case ERROR_TARGET_DATA_ABORT:
1494 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1495 break;
1496 default:
1497 command_print(cmd_ctx, "error: unknown error");
1498 break;
1499 }
1500 return ERROR_OK;
1501 }
1502
1503 output_len = 0;
1504
1505 for (i = 0; i < count; i++)
1506 {
1507 if (i%8 == 0)
1508 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1509
1510 switch (size)
1511 {
1512 case 4:
1513 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1514 break;
1515 case 2:
1516 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1517 break;
1518 case 1:
1519 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1520 break;
1521 }
1522
1523 if ((i%8 == 7) || (i == count - 1))
1524 {
1525 command_print(cmd_ctx, output);
1526 output_len = 0;
1527 }
1528 }
1529
1530 free(buffer);
1531
1532 return ERROR_OK;
1533 }
1534
1535 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1536 {
1537 u32 address = 0;
1538 u32 value = 0;
1539 int retval;
1540 target_t *target = get_current_target(cmd_ctx);
1541 u8 value_buf[4];
1542
1543 if (argc < 2)
1544 return ERROR_OK;
1545
1546 address = strtoul(args[0], NULL, 0);
1547 value = strtoul(args[1], NULL, 0);
1548
1549 switch (cmd[2])
1550 {
1551 case 'w':
1552 target_buffer_set_u32(target, value_buf, value);
1553 retval = target->type->write_memory(target, address, 4, 1, value_buf);
1554 break;
1555 case 'h':
1556 target_buffer_set_u16(target, value_buf, value);
1557 retval = target->type->write_memory(target, address, 2, 1, value_buf);
1558 break;
1559 case 'b':
1560 value_buf[0] = value;
1561 retval = target->type->write_memory(target, address, 1, 1, value_buf);
1562 break;
1563 default:
1564 return ERROR_OK;
1565 }
1566
1567 switch (retval)
1568 {
1569 case ERROR_TARGET_UNALIGNED_ACCESS:
1570 command_print(cmd_ctx, "error: address not aligned");
1571 break;
1572 case ERROR_TARGET_DATA_ABORT:
1573 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1574 break;
1575 case ERROR_TARGET_NOT_HALTED:
1576 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1577 break;
1578 case ERROR_OK:
1579 break;
1580 default:
1581 command_print(cmd_ctx, "error: unknown error");
1582 break;
1583 }
1584
1585 return ERROR_OK;
1586
1587 }
1588
1589 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1590 {
1591 u32 address;
1592 u8 *buffer;
1593 u32 buf_cnt;
1594 u32 binary_size;
1595
1596 fileio_t file;
1597 enum fileio_pri_type pri_type = FILEIO_IMAGE;
1598 fileio_image_t image_info;
1599 enum fileio_sec_type sec_type;
1600
1601 duration_t duration;
1602 char *duration_text;
1603
1604 target_t *target = get_current_target(cmd_ctx);
1605
1606 if (argc < 2)
1607 {
1608 command_print(cmd_ctx, "usage: load_image <filename> <address> [type]");
1609 return ERROR_OK;
1610 }
1611
1612 memset(&file, 0, sizeof(fileio_t));
1613 fileio_identify_image_type(&sec_type, (argc == 3) ? args[2] : NULL);
1614
1615 image_info.base_address = strtoul(args[1], NULL, 0);
1616 image_info.has_start_address = 0;
1617
1618 buffer = malloc(128 * 1024);
1619
1620 duration_start_measure(&duration);
1621
1622 if (fileio_open(&file, args[0], FILEIO_READ,
1623 pri_type, &image_info, sec_type) != ERROR_OK)
1624 {
1625 command_print(cmd_ctx, "load_image error: %s", file.error_str);
1626 return ERROR_OK;
1627 }
1628
1629 binary_size = file.size;
1630 address = image_info.base_address;
1631 while ((binary_size > 0) &&
1632 (fileio_read(&file, 128 * 1024, buffer, &buf_cnt) == ERROR_OK))
1633 {
1634 target_write_buffer(target, address, buf_cnt, buffer);
1635 address += buf_cnt;
1636 binary_size -= buf_cnt;
1637 }
1638
1639 free(buffer);
1640
1641 duration_stop_measure(&duration, &duration_text);
1642 command_print(cmd_ctx, "downloaded %lli byte in %s", file.size, duration_text);
1643 free(duration_text);
1644
1645 fileio_close(&file);
1646
1647 return ERROR_OK;
1648
1649 }
1650
1651 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1652 {
1653 fileio_t file;
1654 fileio_image_t image_info;
1655
1656 u32 address;
1657 u32 size;
1658 u8 buffer[560];
1659
1660 duration_t duration;
1661 char *duration_text;
1662
1663 target_t *target = get_current_target(cmd_ctx);
1664
1665 if (argc != 3)
1666 {
1667 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
1668 return ERROR_OK;
1669 }
1670
1671 address = strtoul(args[1], NULL, 0);
1672 size = strtoul(args[2], NULL, 0);
1673
1674 if ((address & 3) || (size & 3))
1675 {
1676 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
1677 return ERROR_OK;
1678 }
1679
1680 image_info.base_address = address;
1681 image_info.has_start_address = 0;
1682
1683 if (fileio_open(&file, args[0], FILEIO_WRITE,
1684 FILEIO_IMAGE, &image_info, FILEIO_PLAIN) != ERROR_OK)
1685 {
1686 command_print(cmd_ctx, "dump_image error: %s", file.error_str);
1687 return ERROR_OK;
1688 }
1689
1690 duration_start_measure(&duration);
1691
1692 while (size > 0)
1693 {
1694 u32 size_written;
1695 u32 this_run_size = (size > 560) ? 560 : size;
1696
1697 target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
1698 fileio_write(&file, this_run_size, buffer, &size_written);
1699
1700 size -= this_run_size;
1701 address += this_run_size;
1702 }
1703
1704 fileio_close(&file);
1705
1706 duration_stop_measure(&duration, &duration_text);
1707 command_print(cmd_ctx, "dumped %lli byte in %s", file.size, duration_text);
1708 free(duration_text);
1709
1710 return ERROR_OK;
1711
1712 }
1713
1714 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1715 {
1716 int retval;
1717 target_t *target = get_current_target(cmd_ctx);
1718
1719 if (argc == 0)
1720 {
1721 breakpoint_t *breakpoint = target->breakpoints;
1722
1723 while (breakpoint)
1724 {
1725 if (breakpoint->type == BKPT_SOFT)
1726 {
1727 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
1728 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
1729 free(buf);
1730 }
1731 else
1732 {
1733 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
1734 }
1735 breakpoint = breakpoint->next;
1736 }
1737 }
1738 else if (argc >= 2)
1739 {
1740 int hw = BKPT_SOFT;
1741 u32 length = 0;
1742
1743 length = strtoul(args[1], NULL, 0);
1744
1745 if (argc >= 3)
1746 if (strcmp(args[2], "hw") == 0)
1747 hw = BKPT_HARD;
1748
1749 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
1750 {
1751 switch (retval)
1752 {
1753 case ERROR_TARGET_NOT_HALTED:
1754 command_print(cmd_ctx, "target must be halted to set breakpoints");
1755 break;
1756 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
1757 command_print(cmd_ctx, "no more breakpoints available");
1758 break;
1759 default:
1760 command_print(cmd_ctx, "unknown error, breakpoint not set");
1761 break;
1762 }
1763 }
1764 else
1765 {
1766 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
1767 }
1768 }
1769 else
1770 {
1771 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
1772 }
1773
1774 return ERROR_OK;
1775 }
1776
1777 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1778 {
1779 target_t *target = get_current_target(cmd_ctx);
1780
1781 if (argc > 0)
1782 breakpoint_remove(target, strtoul(args[0], NULL, 0));
1783
1784 return ERROR_OK;
1785 }
1786
1787 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1788 {
1789 target_t *target = get_current_target(cmd_ctx);
1790
1791 if (argc == 0)
1792 {
1793 watchpoint_t *watchpoint = target->watchpoints;
1794
1795 while (watchpoint)
1796 {
1797 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);
1798 watchpoint = watchpoint->next;
1799 }
1800 }
1801 else if (argc >= 2)
1802 {
1803 enum watchpoint_rw type = WPT_ACCESS;
1804 u32 data_value = 0x0;
1805 u32 data_mask = 0xffffffff;
1806
1807 if (argc >= 3)
1808 {
1809 switch(args[2][0])
1810 {
1811 case 'r':
1812 type = WPT_READ;
1813 break;
1814 case 'w':
1815 type = WPT_WRITE;
1816 break;
1817 case 'a':
1818 type = WPT_ACCESS;
1819 break;
1820 default:
1821 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1822 return ERROR_OK;
1823 }
1824 }
1825 if (argc >= 4)
1826 {
1827 data_value = strtoul(args[3], NULL, 0);
1828 }
1829 if (argc >= 5)
1830 {
1831 data_mask = strtoul(args[4], NULL, 0);
1832 }
1833 watchpoint_add(target, strtoul(args[0], NULL, 0), strtoul(args[1], NULL, 0), type, data_value, data_mask);
1834 }
1835 else
1836 {
1837 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1838 }
1839
1840 return ERROR_OK;
1841 }
1842
1843 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1844 {
1845 target_t *target = get_current_target(cmd_ctx);
1846
1847 if (argc > 0)
1848 watchpoint_remove(target, strtoul(args[0], NULL, 0));
1849
1850 return ERROR_OK;
1851 }
1852
Open On-Chip Debugger