- Added support for ARM926EJ-S based cores
[openocd.git] / src / target / target.c
1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
4 * *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
9 * *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
14 * *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
20 #ifdef HAVE_CONFIG_H
21 #include "config.h"
22 #endif
23
24 #include "replacements.h"
25 #include "target.h"
26
27 #include "log.h"
28 #include "configuration.h"
29 #include "binarybuffer.h"
30 #include "jtag.h"
31
32 #include <string.h>
33 #include <stdlib.h>
34
35 #include <sys/types.h>
36 #include <sys/stat.h>
37 #include <unistd.h>
38 #include <errno.h>
39
40 #include <sys/time.h>
41 #include <time.h>
42
43 #include <time_support.h>
44
45 int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
46
47 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
48 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
49 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
50
51 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
52 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
53 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
54
55 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
56 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
57 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
58 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
59 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
60 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
61 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
62 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
63 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
64 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
65 int handle_load_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
66 int handle_dump_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
67 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
68 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
69 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
70 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
71
72 /* targets
73 */
74 extern target_type_t arm7tdmi_target;
75 extern target_type_t arm720t_target;
76 extern target_type_t arm9tdmi_target;
77 extern target_type_t arm920t_target;
78 extern target_type_t arm966e_target;
79 extern target_type_t arm926ejs_target;
80
81 target_type_t *target_types[] =
82 {
83 &arm7tdmi_target,
84 &arm9tdmi_target,
85 &arm920t_target,
86 &arm720t_target,
87 &arm966e_target,
88 &arm926ejs_target,
89 NULL,
90 };
91
92 target_t *targets = NULL;
93 target_event_callback_t *target_event_callbacks = NULL;
94 target_timer_callback_t *target_timer_callbacks = NULL;
95
96 char *target_state_strings[] =
97 {
98 "unknown",
99 "running",
100 "halted",
101 "reset",
102 "debug_running",
103 };
104
105 char *target_debug_reason_strings[] =
106 {
107 "debug request", "breakpoint", "watchpoint",
108 "watchpoint and breakpoint", "single step",
109 "target not halted"
110 };
111
112 char *target_endianess_strings[] =
113 {
114 "big endian",
115 "little endian",
116 };
117
118 enum daemon_startup_mode startup_mode = DAEMON_ATTACH;
119
120 static int target_continous_poll = 1;
121
122 /* read a u32 from a buffer in target memory endianness */
123 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
124 {
125 if (target->endianness == TARGET_LITTLE_ENDIAN)
126 return le_to_h_u32(buffer);
127 else
128 return be_to_h_u32(buffer);
129 }
130
131 /* read a u16 from a buffer in target memory endianness */
132 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
133 {
134 if (target->endianness == TARGET_LITTLE_ENDIAN)
135 return le_to_h_u16(buffer);
136 else
137 return be_to_h_u16(buffer);
138 }
139
140 /* write a u32 to a buffer in target memory endianness */
141 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
142 {
143 if (target->endianness == TARGET_LITTLE_ENDIAN)
144 h_u32_to_le(buffer, value);
145 else
146 h_u32_to_be(buffer, value);
147 }
148
149 /* write a u16 to a buffer in target memory endianness */
150 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
151 {
152 if (target->endianness == TARGET_LITTLE_ENDIAN)
153 h_u16_to_le(buffer, value);
154 else
155 h_u16_to_be(buffer, value);
156 }
157
158 /* returns a pointer to the n-th configured target */
159 target_t* get_target_by_num(int num)
160 {
161 target_t *target = targets;
162 int i = 0;
163
164 while (target)
165 {
166 if (num == i)
167 return target;
168 target = target->next;
169 i++;
170 }
171
172 return NULL;
173 }
174
175 int get_num_by_target(target_t *query_target)
176 {
177 target_t *target = targets;
178 int i = 0;
179
180 while (target)
181 {
182 if (target == query_target)
183 return i;
184 target = target->next;
185 i++;
186 }
187
188 return -1;
189 }
190
191 target_t* get_current_target(command_context_t *cmd_ctx)
192 {
193 target_t *target = get_target_by_num(cmd_ctx->current_target);
194
195 if (target == NULL)
196 {
197 ERROR("BUG: current_target out of bounds");
198 exit(-1);
199 }
200
201 return target;
202 }
203
204 /* Process target initialization, when target entered debug out of reset
205 * the handler is unregistered at the end of this function, so it's only called once
206 */
207 int target_init_handler(struct target_s *target, enum target_event event, void *priv)
208 {
209 FILE *script;
210 struct command_context_s *cmd_ctx = priv;
211
212 if ((event == TARGET_EVENT_HALTED) && (target->reset_script))
213 {
214 target_unregister_event_callback(target_init_handler, priv);
215
216 script = fopen(target->reset_script, "r");
217 if (!script)
218 {
219 ERROR("couldn't open script file %s", target->reset_script);
220 return ERROR_OK;
221 }
222
223 INFO("executing reset script '%s'", target->reset_script);
224 command_run_file(cmd_ctx, script, COMMAND_EXEC);
225 fclose(script);
226
227 jtag_execute_queue();
228 }
229
230 return ERROR_OK;
231 }
232
233 int target_run_and_halt_handler(void *priv)
234 {
235 target_t *target = priv;
236
237 target->type->halt(target);
238
239 return ERROR_OK;
240 }
241
242 int target_process_reset(struct command_context_s *cmd_ctx)
243 {
244 int retval = ERROR_OK;
245 target_t *target;
246
247 target = targets;
248 while (target)
249 {
250 target->type->assert_reset(target);
251 target = target->next;
252 }
253 jtag_execute_queue();
254
255 /* request target halt if necessary, and schedule further action */
256 target = targets;
257 while (target)
258 {
259 switch (target->reset_mode)
260 {
261 case RESET_RUN:
262 /* nothing to do if target just wants to be run */
263 break;
264 case RESET_RUN_AND_HALT:
265 /* schedule halt */
266 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
267 break;
268 case RESET_RUN_AND_INIT:
269 /* schedule halt */
270 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
271 target_register_event_callback(target_init_handler, cmd_ctx);
272 break;
273 case RESET_HALT:
274 target->type->halt(target);
275 break;
276 case RESET_INIT:
277 target->type->halt(target);
278 target_register_event_callback(target_init_handler, cmd_ctx);
279 break;
280 default:
281 ERROR("BUG: unknown target->reset_mode");
282 }
283 target = target->next;
284 }
285
286 target = targets;
287 while (target)
288 {
289 target->type->deassert_reset(target);
290 target = target->next;
291 }
292 jtag_execute_queue();
293
294 return retval;
295 }
296
297 int target_init(struct command_context_s *cmd_ctx)
298 {
299 target_t *target = targets;
300
301 while (target)
302 {
303 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
304 {
305 ERROR("target '%s' init failed", target->type->name);
306 exit(-1);
307 }
308 target = target->next;
309 }
310
311 if (targets)
312 {
313 target_register_user_commands(cmd_ctx);
314 target_register_timer_callback(handle_target, 100, 1, NULL);
315 }
316
317 if (startup_mode == DAEMON_RESET)
318 target_process_reset(cmd_ctx);
319
320 return ERROR_OK;
321 }
322
323 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
324 {
325 target_event_callback_t **callbacks_p = &target_event_callbacks;
326
327 if (callback == NULL)
328 {
329 return ERROR_INVALID_ARGUMENTS;
330 }
331
332 if (*callbacks_p)
333 {
334 while ((*callbacks_p)->next)
335 callbacks_p = &((*callbacks_p)->next);
336 callbacks_p = &((*callbacks_p)->next);
337 }
338
339 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
340 (*callbacks_p)->callback = callback;
341 (*callbacks_p)->priv = priv;
342 (*callbacks_p)->next = NULL;
343
344 return ERROR_OK;
345 }
346
347 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
348 {
349 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
350 struct timeval now;
351
352 if (callback == NULL)
353 {
354 return ERROR_INVALID_ARGUMENTS;
355 }
356
357 if (*callbacks_p)
358 {
359 while ((*callbacks_p)->next)
360 callbacks_p = &((*callbacks_p)->next);
361 callbacks_p = &((*callbacks_p)->next);
362 }
363
364 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
365 (*callbacks_p)->callback = callback;
366 (*callbacks_p)->periodic = periodic;
367 (*callbacks_p)->time_ms = time_ms;
368
369 gettimeofday(&now, NULL);
370 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
371 time_ms -= (time_ms % 1000);
372 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
373 if ((*callbacks_p)->when.tv_usec > 1000000)
374 {
375 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
376 (*callbacks_p)->when.tv_sec += 1;
377 }
378
379 (*callbacks_p)->priv = priv;
380 (*callbacks_p)->next = NULL;
381
382 return ERROR_OK;
383 }
384
385 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
386 {
387 target_event_callback_t **p = &target_event_callbacks;
388 target_event_callback_t *c = target_event_callbacks;
389
390 if (callback == NULL)
391 {
392 return ERROR_INVALID_ARGUMENTS;
393 }
394
395 while (c)
396 {
397 target_event_callback_t *next = c->next;
398 if ((c->callback == callback) && (c->priv == priv))
399 {
400 *p = next;
401 free(c);
402 return ERROR_OK;
403 }
404 else
405 p = &(c->next);
406 c = next;
407 }
408
409 return ERROR_OK;
410 }
411
412 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
413 {
414 target_timer_callback_t **p = &target_timer_callbacks;
415 target_timer_callback_t *c = target_timer_callbacks;
416
417 if (callback == NULL)
418 {
419 return ERROR_INVALID_ARGUMENTS;
420 }
421
422 while (c)
423 {
424 target_timer_callback_t *next = c->next;
425 if ((c->callback == callback) && (c->priv == priv))
426 {
427 *p = next;
428 free(c);
429 return ERROR_OK;
430 }
431 else
432 p = &(c->next);
433 c = next;
434 }
435
436 return ERROR_OK;
437 }
438
439 int target_call_event_callbacks(target_t *target, enum target_event event)
440 {
441 target_event_callback_t *callback = target_event_callbacks;
442 target_event_callback_t *next_callback;
443
444 DEBUG("target event %i", event);
445
446 while (callback)
447 {
448 next_callback = callback->next;
449 callback->callback(target, event, callback->priv);
450 callback = next_callback;
451 }
452
453 return ERROR_OK;
454 }
455
456 int target_call_timer_callbacks()
457 {
458 target_timer_callback_t *callback = target_timer_callbacks;
459 target_timer_callback_t *next_callback;
460 struct timeval now;
461
462 gettimeofday(&now, NULL);
463
464 while (callback)
465 {
466 next_callback = callback->next;
467
468 if (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
469 || (now.tv_sec > callback->when.tv_sec))
470 {
471 callback->callback(callback->priv);
472 if (callback->periodic)
473 {
474 int time_ms = callback->time_ms;
475 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
476 time_ms -= (time_ms % 1000);
477 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
478 if (callback->when.tv_usec > 1000000)
479 {
480 callback->when.tv_usec = callback->when.tv_usec - 1000000;
481 callback->when.tv_sec += 1;
482 }
483 }
484 else
485 target_unregister_timer_callback(callback->callback, callback->priv);
486 }
487
488 callback = next_callback;
489 }
490
491 return ERROR_OK;
492 }
493
494 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
495 {
496 working_area_t *c = target->working_areas;
497 working_area_t *new_wa = NULL;
498
499 /* only allocate multiples of 4 byte */
500 if (size % 4)
501 {
502 ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
503 size = CEIL(size, 4);
504 }
505
506 /* see if there's already a matching working area */
507 while (c)
508 {
509 if ((c->free) && (c->size == size))
510 {
511 new_wa = c;
512 break;
513 }
514 c = c->next;
515 }
516
517 /* if not, allocate a new one */
518 if (!new_wa)
519 {
520 working_area_t **p = &target->working_areas;
521 u32 first_free = target->working_area;
522 u32 free_size = target->working_area_size;
523
524 DEBUG("allocating new working area");
525
526 c = target->working_areas;
527 while (c)
528 {
529 first_free += c->size;
530 free_size -= c->size;
531 p = &c->next;
532 c = c->next;
533 }
534
535 if (free_size < size)
536 {
537 WARNING("not enough working area available");
538 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
539 }
540
541 new_wa = malloc(sizeof(working_area_t));
542 new_wa->next = NULL;
543 new_wa->size = size;
544 new_wa->address = first_free;
545
546 if (target->backup_working_area)
547 {
548 new_wa->backup = malloc(new_wa->size);
549 target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
550 }
551 else
552 {
553 new_wa->backup = NULL;
554 }
555
556 /* put new entry in list */
557 *p = new_wa;
558 }
559
560 /* mark as used, and return the new (reused) area */
561 new_wa->free = 0;
562 *area = new_wa;
563
564 /* user pointer */
565 new_wa->user = area;
566
567 return ERROR_OK;
568 }
569
570 int target_free_working_area(struct target_s *target, working_area_t *area)
571 {
572 if (area->free)
573 return ERROR_OK;
574
575 if (target->backup_working_area)
576 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
577
578 area->free = 1;
579
580 /* mark user pointer invalid */
581 *area->user = NULL;
582 area->user = NULL;
583
584 return ERROR_OK;
585 }
586
587 int target_free_all_working_areas(struct target_s *target)
588 {
589 working_area_t *c = target->working_areas;
590
591 while (c)
592 {
593 working_area_t *next = c->next;
594 target_free_working_area(target, c);
595
596 if (c->backup)
597 free(c->backup);
598
599 free(c);
600
601 c = next;
602 }
603
604 target->working_areas = NULL;
605
606 return ERROR_OK;
607 }
608
609 int target_register_commands(struct command_context_s *cmd_ctx)
610 {
611 register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, NULL);
612 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
613 register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG, NULL);
614 register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
615 register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, NULL);
616 register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_CONFIG, NULL);
617
618 return ERROR_OK;
619 }
620
621 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
622 {
623 int retval;
624
625 DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
626
627 /* handle writes of less than 4 byte */
628 if (size < 4)
629 {
630 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
631 return retval;
632 }
633
634 /* handle unaligned head bytes */
635 if (address % 4)
636 {
637 int unaligned = 4 - (address % 4);
638
639 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
640 return retval;
641
642 buffer += unaligned;
643 address += unaligned;
644 size -= unaligned;
645 }
646
647 /* handle aligned words */
648 if (size >= 4)
649 {
650 int aligned = size - (size % 4);
651
652 /* use bulk writes above a certain limit. This may have to be changed */
653 if (aligned > 128)
654 {
655 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
656 return retval;
657 }
658 else
659 {
660 if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
661 return retval;
662 }
663
664 buffer += aligned;
665 address += aligned;
666 size -= aligned;
667 }
668
669 /* handle tail writes of less than 4 bytes */
670 if (size > 0)
671 {
672 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
673 return retval;
674 }
675
676 return ERROR_OK;
677 }
678
679 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
680 {
681 int retval;
682
683 DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
684
685 /* handle reads of less than 4 byte */
686 if (size < 4)
687 {
688 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
689 return retval;
690 }
691
692 /* handle unaligned head bytes */
693 if (address % 4)
694 {
695 int unaligned = 4 - (address % 4);
696
697 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
698 return retval;
699
700 buffer += unaligned;
701 address += unaligned;
702 size -= unaligned;
703 }
704
705 /* handle aligned words */
706 if (size >= 4)
707 {
708 int aligned = size - (size % 4);
709
710 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
711 return retval;
712
713 buffer += aligned;
714 address += aligned;
715 size -= aligned;
716 }
717
718 /* handle tail writes of less than 4 bytes */
719 if (size > 0)
720 {
721 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
722 return retval;
723 }
724
725 return ERROR_OK;
726 }
727
728 void target_read_u32(struct target_s *target, u32 address, u32 *value)
729 {
730 u8 value_buf[4];
731
732 target->type->read_memory(target, address, 4, 1, value_buf);
733
734 *value = target_buffer_get_u32(target, value_buf);
735 }
736
737 void target_read_u16(struct target_s *target, u32 address, u16 *value)
738 {
739 u8 value_buf[2];
740
741 target->type->read_memory(target, address, 2, 1, value_buf);
742
743 *value = target_buffer_get_u16(target, value_buf);
744 }
745
746 void target_read_u8(struct target_s *target, u32 address, u8 *value)
747 {
748 target->type->read_memory(target, address, 1, 1, value);
749 }
750
751 void target_write_u32(struct target_s *target, u32 address, u32 value)
752 {
753 u8 value_buf[4];
754
755 target_buffer_set_u32(target, value_buf, value);
756 target->type->write_memory(target, address, 4, 1, value_buf);
757 }
758
759 void target_write_u16(struct target_s *target, u32 address, u16 value)
760 {
761 u8 value_buf[2];
762
763 target_buffer_set_u16(target, value_buf, value);
764 target->type->write_memory(target, address, 2, 1, value_buf);
765 }
766
767 void target_write_u8(struct target_s *target, u32 address, u8 value)
768 {
769 target->type->read_memory(target, address, 1, 1, &value);
770 }
771
772 int target_register_user_commands(struct command_context_s *cmd_ctx)
773 {
774 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
775 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
776 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt");
777 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
778 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
779 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction");
780 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
781 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
782
783 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
784 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
785 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
786
787 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value>");
788 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value>");
789 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value>");
790
791 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
792 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
793 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
794 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
795
796 register_command(cmd_ctx, NULL, "load_binary", handle_load_binary_command, COMMAND_EXEC, "load binary <file> <address>");
797 register_command(cmd_ctx, NULL, "dump_binary", handle_dump_binary_command, COMMAND_EXEC, "dump binary <file> <address> <size>");
798
799 return ERROR_OK;
800 }
801
802 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
803 {
804 target_t *target = targets;
805 int count = 0;
806
807 if (argc == 1)
808 {
809 int num = strtoul(args[0], NULL, 0);
810
811 while (target)
812 {
813 count++;
814 target = target->next;
815 }
816
817 if (num < count)
818 cmd_ctx->current_target = num;
819 else
820 command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
821
822 return ERROR_OK;
823 }
824
825 while (target)
826 {
827 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
828 target = target->next;
829 }
830
831 return ERROR_OK;
832 }
833
834 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
835 {
836 int i;
837 int found = 0;
838
839 if (argc < 3)
840 {
841 ERROR("target command requires at least three arguments: <type> <endianess> <reset_mode>");
842 exit(-1);
843 }
844
845 /* search for the specified target */
846 if (args[0] && (args[0][0] != 0))
847 {
848 for (i = 0; target_types[i]; i++)
849 {
850 if (strcmp(args[0], target_types[i]->name) == 0)
851 {
852 target_t **last_target_p = &targets;
853
854 /* register target specific commands */
855 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
856 {
857 ERROR("couldn't register '%s' commands", args[0]);
858 exit(-1);
859 }
860
861 if (*last_target_p)
862 {
863 while ((*last_target_p)->next)
864 last_target_p = &((*last_target_p)->next);
865 last_target_p = &((*last_target_p)->next);
866 }
867
868 *last_target_p = malloc(sizeof(target_t));
869
870 (*last_target_p)->type = target_types[i];
871
872 if (strcmp(args[1], "big") == 0)
873 (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
874 else if (strcmp(args[1], "little") == 0)
875 (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
876 else
877 {
878 ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
879 exit(-1);
880 }
881
882 /* what to do on a target reset */
883 if (strcmp(args[2], "reset_halt") == 0)
884 (*last_target_p)->reset_mode = RESET_HALT;
885 else if (strcmp(args[2], "reset_run") == 0)
886 (*last_target_p)->reset_mode = RESET_RUN;
887 else if (strcmp(args[2], "reset_init") == 0)
888 (*last_target_p)->reset_mode = RESET_INIT;
889 else if (strcmp(args[2], "run_and_halt") == 0)
890 (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
891 else if (strcmp(args[2], "run_and_init") == 0)
892 (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
893 else
894 {
895 ERROR("unknown target startup mode %s", args[2]);
896 exit(-1);
897 }
898 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
899
900 (*last_target_p)->reset_script = NULL;
901 (*last_target_p)->post_halt_script = NULL;
902 (*last_target_p)->pre_resume_script = NULL;
903
904 (*last_target_p)->working_area = 0x0;
905 (*last_target_p)->working_area_size = 0x0;
906 (*last_target_p)->working_areas = NULL;
907 (*last_target_p)->backup_working_area = 0;
908
909 (*last_target_p)->state = TARGET_UNKNOWN;
910 (*last_target_p)->reg_cache = NULL;
911 (*last_target_p)->breakpoints = NULL;
912 (*last_target_p)->watchpoints = NULL;
913 (*last_target_p)->next = NULL;
914 (*last_target_p)->arch_info = NULL;
915
916 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
917
918 found = 1;
919 break;
920 }
921 }
922 }
923
924 /* no matching target found */
925 if (!found)
926 {
927 ERROR("target '%s' not found", args[0]);
928 exit(-1);
929 }
930
931 return ERROR_OK;
932 }
933
934 /* usage: target_script <target#> <event> <script_file> */
935 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
936 {
937 target_t *target = NULL;
938
939 if (argc < 3)
940 {
941 ERROR("incomplete target_script command");
942 exit(-1);
943 }
944
945 target = get_target_by_num(strtoul(args[0], NULL, 0));
946
947 if (!target)
948 {
949 ERROR("target number '%s' not defined", args[0]);
950 exit(-1);
951 }
952
953 if (strcmp(args[1], "reset") == 0)
954 {
955 if (target->reset_script)
956 free(target->reset_script);
957 target->reset_script = strdup(args[2]);
958 }
959 else if (strcmp(args[1], "post_halt") == 0)
960 {
961 if (target->post_halt_script)
962 free(target->post_halt_script);
963 target->post_halt_script = strdup(args[2]);
964 }
965 else if (strcmp(args[1], "pre_resume") == 0)
966 {
967 if (target->pre_resume_script)
968 free(target->pre_resume_script);
969 target->pre_resume_script = strdup(args[2]);
970 }
971 else
972 {
973 ERROR("unknown event type: '%s", args[1]);
974 exit(-1);
975 }
976
977 return ERROR_OK;
978 }
979
980 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
981 {
982 target_t *target = NULL;
983
984 if (argc < 2)
985 {
986 ERROR("incomplete run_and_halt_time command");
987 exit(-1);
988 }
989
990 target = get_target_by_num(strtoul(args[0], NULL, 0));
991
992 if (!target)
993 {
994 ERROR("target number '%s' not defined", args[0]);
995 exit(-1);
996 }
997
998 target->run_and_halt_time = strtoul(args[1], NULL, 0);
999
1000 return ERROR_OK;
1001 }
1002
1003 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1004 {
1005 target_t *target = NULL;
1006
1007 if (argc < 4)
1008 {
1009 ERROR("incomplete working_area command. usage: working_area <target#> <address> <size> <'backup'|'nobackup'>");
1010 exit(-1);
1011 }
1012
1013 target = get_target_by_num(strtoul(args[0], NULL, 0));
1014
1015 if (!target)
1016 {
1017 ERROR("target number '%s' not defined", args[0]);
1018 exit(-1);
1019 }
1020
1021 target->working_area = strtoul(args[1], NULL, 0);
1022 target->working_area_size = strtoul(args[2], NULL, 0);
1023
1024 if (strcmp(args[3], "backup") == 0)
1025 {
1026 target->backup_working_area = 1;
1027 }
1028 else if (strcmp(args[3], "nobackup") == 0)
1029 {
1030 target->backup_working_area = 0;
1031 }
1032 else
1033 {
1034 ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1035 exit(-1);
1036 }
1037
1038 return ERROR_OK;
1039 }
1040
1041
1042 /* process target state changes */
1043 int handle_target(void *priv)
1044 {
1045 int retval;
1046 target_t *target = targets;
1047
1048 while (target)
1049 {
1050 /* only poll if target isn't already halted */
1051 if (target->state != TARGET_HALTED)
1052 {
1053 if (target_continous_poll)
1054 if ((retval = target->type->poll(target)) < 0)
1055 {
1056 ERROR("couldn't poll target, exiting");
1057 exit(-1);
1058 }
1059 }
1060
1061 target = target->next;
1062 }
1063
1064 return ERROR_OK;
1065 }
1066
1067 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1068 {
1069 target_t *target;
1070 reg_t *reg = NULL;
1071 int count = 0;
1072 char *value;
1073
1074 DEBUG("");
1075
1076 target = get_current_target(cmd_ctx);
1077
1078 /* list all available registers for the current target */
1079 if (argc == 0)
1080 {
1081 reg_cache_t *cache = target->reg_cache;
1082
1083 count = 0;
1084 while(cache)
1085 {
1086 int i;
1087 for (i = 0; i < cache->num_regs; i++)
1088 {
1089 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1090 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);
1091 free(value);
1092 }
1093 cache = cache->next;
1094 }
1095
1096 return ERROR_OK;
1097 }
1098
1099 /* access a single register by its ordinal number */
1100 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1101 {
1102 int num = strtoul(args[0], NULL, 0);
1103 reg_cache_t *cache = target->reg_cache;
1104
1105 count = 0;
1106 while(cache)
1107 {
1108 int i;
1109 for (i = 0; i < cache->num_regs; i++)
1110 {
1111 if (count++ == num)
1112 {
1113 reg = &cache->reg_list[i];
1114 break;
1115 }
1116 }
1117 if (reg)
1118 break;
1119 cache = cache->next;
1120 }
1121
1122 if (!reg)
1123 {
1124 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1125 return ERROR_OK;
1126 }
1127 } else /* access a single register by its name */
1128 {
1129 reg = register_get_by_name(target->reg_cache, args[0], 1);
1130
1131 if (!reg)
1132 {
1133 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1134 return ERROR_OK;
1135 }
1136 }
1137
1138 /* display a register */
1139 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1140 {
1141 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1142 reg->valid = 0;
1143
1144 if (reg->valid == 0)
1145 {
1146 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1147 if (arch_type == NULL)
1148 {
1149 ERROR("BUG: encountered unregistered arch type");
1150 return ERROR_OK;
1151 }
1152 arch_type->get(reg);
1153 }
1154 value = buf_to_str(reg->value, reg->size, 16);
1155 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1156 free(value);
1157 return ERROR_OK;
1158 }
1159
1160 /* set register value */
1161 if (argc == 2)
1162 {
1163 u8 *buf = malloc(CEIL(reg->size, 8));
1164 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1165
1166 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1167 if (arch_type == NULL)
1168 {
1169 ERROR("BUG: encountered unregistered arch type");
1170 return ERROR_OK;
1171 }
1172
1173 arch_type->set(reg, buf);
1174
1175 value = buf_to_str(reg->value, reg->size, 16);
1176 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1177 free(value);
1178
1179 free(buf);
1180
1181 return ERROR_OK;
1182 }
1183
1184 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1185
1186 return ERROR_OK;
1187 }
1188
1189 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1190 {
1191 target_t *target = get_current_target(cmd_ctx);
1192 char buffer[512];
1193
1194 if (argc == 0)
1195 {
1196 command_print(cmd_ctx, "target state: %s", target_state_strings[target->type->poll(target)]);
1197 if (target->state == TARGET_HALTED)
1198 {
1199 target->type->arch_state(target, buffer, 512);
1200 buffer[511] = 0;
1201 command_print(cmd_ctx, "%s", buffer);
1202 }
1203 }
1204 else
1205 {
1206 if (strcmp(args[0], "on") == 0)
1207 {
1208 target_continous_poll = 1;
1209 }
1210 else if (strcmp(args[0], "off") == 0)
1211 {
1212 target_continous_poll = 0;
1213 }
1214 }
1215
1216
1217 return ERROR_OK;
1218 }
1219
1220 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1221 {
1222 target_t *target = get_current_target(cmd_ctx);
1223 struct timeval timeout, now;
1224
1225 gettimeofday(&timeout, NULL);
1226 timeval_add_time(&timeout, 5, 0);
1227
1228 command_print(cmd_ctx, "waiting for target halted...");
1229
1230 while(target->type->poll(target))
1231 {
1232 if (target->state == TARGET_HALTED)
1233 {
1234 command_print(cmd_ctx, "target halted");
1235 break;
1236 }
1237 target_call_timer_callbacks();
1238
1239 gettimeofday(&now, NULL);
1240 if ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec))
1241 {
1242 command_print(cmd_ctx, "timed out while waiting for target halt");
1243 ERROR("timed out while waiting for target halt");
1244 break;
1245 }
1246 }
1247
1248 return ERROR_OK;
1249 }
1250
1251 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1252 {
1253 int retval;
1254 target_t *target = get_current_target(cmd_ctx);
1255
1256 DEBUG("");
1257
1258 command_print(cmd_ctx, "requesting target halt...");
1259
1260 if ((retval = target->type->halt(target)) != ERROR_OK)
1261 {
1262 switch (retval)
1263 {
1264 case ERROR_TARGET_ALREADY_HALTED:
1265 command_print(cmd_ctx, "target already halted");
1266 break;
1267 case ERROR_TARGET_TIMEOUT:
1268 command_print(cmd_ctx, "target timed out... shutting down");
1269 exit(-1);
1270 default:
1271 command_print(cmd_ctx, "unknown error... shutting down");
1272 exit(-1);
1273 }
1274 }
1275
1276 return ERROR_OK;
1277
1278 }
1279
1280 /* what to do on daemon startup */
1281 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1282 {
1283 if (argc == 1)
1284 {
1285 if (strcmp(args[0], "attach") == 0)
1286 {
1287 startup_mode = DAEMON_ATTACH;
1288 return ERROR_OK;
1289 }
1290 else if (strcmp(args[0], "reset") == 0)
1291 {
1292 startup_mode = DAEMON_RESET;
1293 return ERROR_OK;
1294 }
1295 }
1296
1297 WARNING("invalid daemon_startup configuration directive: %s", args[0]);
1298 return ERROR_OK;
1299
1300 }
1301
1302 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1303 {
1304 target_t *target = get_current_target(cmd_ctx);
1305 int retval;
1306
1307 command_print(cmd_ctx, "requesting target halt and executing a soft reset");
1308
1309 if ((retval = target->type->soft_reset_halt(target)) != ERROR_OK)
1310 {
1311 switch (retval)
1312 {
1313 case ERROR_TARGET_TIMEOUT:
1314 command_print(cmd_ctx, "target timed out... shutting down");
1315 exit(-1);
1316 default:
1317 command_print(cmd_ctx, "unknown error... shutting down");
1318 exit(-1);
1319 }
1320 }
1321
1322 return ERROR_OK;
1323 }
1324
1325 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1326 {
1327 target_t *target = get_current_target(cmd_ctx);
1328 enum target_reset_mode reset_mode = RESET_RUN;
1329
1330 DEBUG("");
1331
1332 if (argc >= 1)
1333 {
1334 if (strcmp("run", args[0]) == 0)
1335 reset_mode = RESET_RUN;
1336 else if (strcmp("halt", args[0]) == 0)
1337 reset_mode = RESET_HALT;
1338 else if (strcmp("init", args[0]) == 0)
1339 reset_mode = RESET_INIT;
1340 else if (strcmp("run_and_halt", args[0]) == 0)
1341 {
1342 reset_mode = RESET_RUN_AND_HALT;
1343 if (argc >= 2)
1344 {
1345 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1346 }
1347 }
1348 else if (strcmp("run_and_init", args[0]) == 0)
1349 {
1350 reset_mode = RESET_RUN_AND_INIT;
1351 if (argc >= 2)
1352 {
1353 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1354 }
1355 }
1356 else
1357 {
1358 command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1359 return ERROR_OK;
1360 }
1361 target->reset_mode = reset_mode;
1362 }
1363
1364 target_process_reset(cmd_ctx);
1365
1366 return ERROR_OK;
1367 }
1368
1369 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1370 {
1371 int retval;
1372 target_t *target = get_current_target(cmd_ctx);
1373
1374 DEBUG("");
1375
1376 if (argc == 0)
1377 retval = target->type->resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1378 else if (argc == 1)
1379 retval = target->type->resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1380 else
1381 {
1382 command_print(cmd_ctx, "usage: resume [address]");
1383 return ERROR_OK;
1384 }
1385
1386 if (retval != ERROR_OK)
1387 {
1388 switch (retval)
1389 {
1390 case ERROR_TARGET_NOT_HALTED:
1391 command_print(cmd_ctx, "target not halted");
1392 break;
1393 default:
1394 command_print(cmd_ctx, "unknown error... shutting down");
1395 exit(-1);
1396 }
1397 }
1398
1399 return ERROR_OK;
1400 }
1401
1402 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1403 {
1404 target_t *target = get_current_target(cmd_ctx);
1405
1406 DEBUG("");
1407
1408 if (argc == 0)
1409 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1410
1411 if (argc == 1)
1412 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1413
1414 return ERROR_OK;
1415 }
1416
1417 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1418 {
1419 int count = 1;
1420 int size = 4;
1421 u32 address = 0;
1422 int i;
1423
1424 char output[128];
1425 int output_len;
1426
1427 int retval;
1428
1429 u8 *buffer;
1430 target_t *target = get_current_target(cmd_ctx);
1431
1432 if (argc < 1)
1433 return ERROR_OK;
1434
1435 if (argc == 2)
1436 count = strtoul(args[1], NULL, 0);
1437
1438 address = strtoul(args[0], NULL, 0);
1439
1440
1441 switch (cmd[2])
1442 {
1443 case 'w':
1444 size = 4;
1445 break;
1446 case 'h':
1447 size = 2;
1448 break;
1449 case 'b':
1450 size = 1;
1451 break;
1452 default:
1453 return ERROR_OK;
1454 }
1455
1456 buffer = calloc(count, size);
1457 if ((retval = target->type->read_memory(target, address, size, count, buffer)) != ERROR_OK)
1458 {
1459 switch (retval)
1460 {
1461 case ERROR_TARGET_UNALIGNED_ACCESS:
1462 command_print(cmd_ctx, "error: address not aligned");
1463 break;
1464 case ERROR_TARGET_NOT_HALTED:
1465 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1466 break;
1467 case ERROR_TARGET_DATA_ABORT:
1468 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1469 break;
1470 default:
1471 command_print(cmd_ctx, "error: unknown error");
1472 break;
1473 }
1474 return ERROR_OK;
1475 }
1476
1477 output_len = 0;
1478
1479 for (i = 0; i < count; i++)
1480 {
1481 if (i%8 == 0)
1482 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1483
1484 switch (size)
1485 {
1486 case 4:
1487 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1488 break;
1489 case 2:
1490 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1491 break;
1492 case 1:
1493 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1494 break;
1495 }
1496
1497 if ((i%8 == 7) || (i == count - 1))
1498 {
1499 command_print(cmd_ctx, output);
1500 output_len = 0;
1501 }
1502 }
1503
1504 free(buffer);
1505
1506 return ERROR_OK;
1507 }
1508
1509 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1510 {
1511 u32 address = 0;
1512 u32 value = 0;
1513 int retval;
1514 target_t *target = get_current_target(cmd_ctx);
1515 u8 value_buf[4];
1516
1517 if (argc < 2)
1518 return ERROR_OK;
1519
1520 address = strtoul(args[0], NULL, 0);
1521 value = strtoul(args[1], NULL, 0);
1522
1523 switch (cmd[2])
1524 {
1525 case 'w':
1526 target_buffer_set_u32(target, value_buf, value);
1527 retval = target->type->write_memory(target, address, 4, 1, value_buf);
1528 break;
1529 case 'h':
1530 target_buffer_set_u16(target, value_buf, value);
1531 retval = target->type->write_memory(target, address, 2, 1, value_buf);
1532 break;
1533 case 'b':
1534 value_buf[0] = value;
1535 retval = target->type->write_memory(target, address, 1, 1, value_buf);
1536 break;
1537 default:
1538 return ERROR_OK;
1539 }
1540
1541 switch (retval)
1542 {
1543 case ERROR_TARGET_UNALIGNED_ACCESS:
1544 command_print(cmd_ctx, "error: address not aligned");
1545 break;
1546 case ERROR_TARGET_DATA_ABORT:
1547 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1548 break;
1549 case ERROR_TARGET_NOT_HALTED:
1550 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1551 break;
1552 case ERROR_OK:
1553 break;
1554 default:
1555 command_print(cmd_ctx, "error: unknown error");
1556 break;
1557 }
1558
1559 return ERROR_OK;
1560
1561 }
1562
1563 int handle_load_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1564 {
1565 FILE *binary;
1566 u32 address;
1567 struct stat binary_stat;
1568 u32 binary_size;
1569
1570 u8 *buffer;
1571 u32 buf_cnt;
1572
1573 struct timeval start, end, duration;
1574
1575 target_t *target = get_current_target(cmd_ctx);
1576
1577 if (argc != 2)
1578 {
1579 command_print(cmd_ctx, "usage: load_binary <filename> <address>");
1580 return ERROR_OK;
1581 }
1582
1583 address = strtoul(args[1], NULL, 0);
1584
1585 if (stat(args[0], &binary_stat) == -1)
1586 {
1587 ERROR("couldn't stat() %s: %s", args[0], strerror(errno));
1588 command_print(cmd_ctx, "error accessing file %s", args[0]);
1589 return ERROR_OK;
1590 }
1591
1592 if (!(binary = fopen(args[0], "rb")))
1593 {
1594 ERROR("couldn't open %s: %s", args[0], strerror(errno));
1595 command_print(cmd_ctx, "error accessing file %s", args[0]);
1596 return ERROR_OK;
1597 }
1598
1599 buffer = malloc(128 * 1024);
1600
1601 gettimeofday(&start, NULL);
1602
1603 binary_size = binary_stat.st_size;
1604 while (binary_size > 0)
1605 {
1606 buf_cnt = fread(buffer, 1, 128*1024, binary);
1607 target_write_buffer(target, address, buf_cnt, buffer);
1608 address += buf_cnt;
1609 binary_size -= buf_cnt;
1610 }
1611
1612 gettimeofday(&end, NULL);
1613
1614 free(buffer);
1615
1616 timeval_subtract(&duration, &end, &start);
1617 command_print(cmd_ctx, "downloaded %lli byte in %is %ius", (long long) binary_stat.st_size, duration.tv_sec, duration.tv_usec);
1618
1619 fclose(binary);
1620
1621 return ERROR_OK;
1622
1623 }
1624
1625 int handle_dump_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1626 {
1627 FILE *binary;
1628 u32 address;
1629 u32 size;
1630 u8 buffer[560];
1631
1632 struct timeval start, end, duration;
1633
1634 target_t *target = get_current_target(cmd_ctx);
1635
1636 if (argc != 3)
1637 {
1638 command_print(cmd_ctx, "usage: dump_binary <filename> <address> <size>");
1639 return ERROR_OK;
1640 }
1641
1642 address = strtoul(args[1], NULL, 0);
1643 size = strtoul(args[2], NULL, 0);
1644
1645 if (!(binary = fopen(args[0], "wb")))
1646 {
1647 ERROR("couldn't open %s for writing: %s", args[0], strerror(errno));
1648 command_print(cmd_ctx, "error accessing file %s", args[0]);
1649 return ERROR_OK;
1650 }
1651
1652 if ((address & 3) || (size & 3))
1653 {
1654 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
1655 return ERROR_OK;
1656 }
1657
1658 gettimeofday(&start, NULL);
1659
1660 while (size > 0)
1661 {
1662 u32 this_run_size = (size > 560) ? 560 : size;
1663 target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
1664 fwrite(buffer, 1, this_run_size, binary);
1665 size -= this_run_size;
1666 address += this_run_size;
1667 }
1668
1669 fclose(binary);
1670
1671 gettimeofday(&end, NULL);
1672
1673 timeval_subtract(&duration, &end, &start);
1674 command_print(cmd_ctx, "dumped %i byte in %is %ius", strtoul(args[2], NULL, 0), duration.tv_sec, duration.tv_usec);
1675
1676 return ERROR_OK;
1677
1678 }
1679
1680 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1681 {
1682 int retval;
1683 target_t *target = get_current_target(cmd_ctx);
1684
1685 if (argc == 0)
1686 {
1687 breakpoint_t *breakpoint = target->breakpoints;
1688
1689 while (breakpoint)
1690 {
1691 if (breakpoint->type == BKPT_SOFT)
1692 {
1693 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
1694 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
1695 free(buf);
1696 }
1697 else
1698 {
1699 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
1700 }
1701 breakpoint = breakpoint->next;
1702 }
1703 }
1704 else if (argc >= 2)
1705 {
1706 int hw = BKPT_SOFT;
1707 u32 length = 0;
1708
1709 length = strtoul(args[1], NULL, 0);
1710
1711 if (argc >= 3)
1712 if (strcmp(args[2], "hw") == 0)
1713 hw = BKPT_HARD;
1714
1715 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
1716 {
1717 switch (retval)
1718 {
1719 case ERROR_TARGET_NOT_HALTED:
1720 command_print(cmd_ctx, "target must be halted to set breakpoints");
1721 break;
1722 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
1723 command_print(cmd_ctx, "no more breakpoints available");
1724 break;
1725 default:
1726 command_print(cmd_ctx, "unknown error, breakpoint not set");
1727 break;
1728 }
1729 }
1730 else
1731 {
1732 command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
1733 }
1734 }
1735 else
1736 {
1737 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
1738 }
1739
1740 return ERROR_OK;
1741 }
1742
1743 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1744 {
1745 target_t *target = get_current_target(cmd_ctx);
1746
1747 if (argc > 0)
1748 breakpoint_remove(target, strtoul(args[0], NULL, 0));
1749
1750 return ERROR_OK;
1751 }
1752
1753 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1754 {
1755 target_t *target = get_current_target(cmd_ctx);
1756
1757 if (argc == 0)
1758 {
1759 watchpoint_t *watchpoint = target->watchpoints;
1760
1761 while (watchpoint)
1762 {
1763 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);
1764 watchpoint = watchpoint->next;
1765 }
1766 }
1767 else if (argc >= 2)
1768 {
1769 enum watchpoint_rw type = WPT_ACCESS;
1770 u32 data_value = 0x0;
1771 u32 data_mask = 0xffffffff;
1772
1773 if (argc >= 3)
1774 {
1775 switch(args[2][0])
1776 {
1777 case 'r':
1778 type = WPT_READ;
1779 break;
1780 case 'w':
1781 type = WPT_WRITE;
1782 break;
1783 case 'a':
1784 type = WPT_ACCESS;
1785 break;
1786 default:
1787 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1788 return ERROR_OK;
1789 }
1790 }
1791 if (argc >= 4)
1792 {
1793 data_value = strtoul(args[3], NULL, 0);
1794 }
1795 if (argc >= 5)
1796 {
1797 data_mask = strtoul(args[4], NULL, 0);
1798 }
1799 watchpoint_add(target, strtoul(args[0], NULL, 0), strtoul(args[1], NULL, 0), type, data_value, data_mask);
1800 }
1801 else
1802 {
1803 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
1804 }
1805
1806 return ERROR_OK;
1807 }
1808
1809 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1810 {
1811 target_t *target = get_current_target(cmd_ctx);
1812
1813 if (argc > 0)
1814 watchpoint_remove(target, strtoul(args[0], NULL, 0));
1815
1816 return ERROR_OK;
1817 }
1818