Paulius Zaleckas <paulius.zaleckas@gmail.com>:
[openocd.git] / src / target / target.c
1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
4 * *
5 * Copyright (C) 2007,2008 √ėyvind Harboe *
6 * oyvind.harboe@zylin.com *
7 * *
8 * Copyright (C) 2008, Duane Ellis *
9 * openocd@duaneeellis.com *
10 * *
11 * Copyright (C) 2008 by Spencer Oliver *
12 * spen@spen-soft.co.uk *
13 * *
14 * Copyright (C) 2008 by Rick Altherr *
15 * kc8apf@kc8apf.net> *
16 * *
17 * This program is free software; you can redistribute it and/or modify *
18 * it under the terms of the GNU General Public License as published by *
19 * the Free Software Foundation; either version 2 of the License, or *
20 * (at your option) any later version. *
21 * *
22 * This program is distributed in the hope that it will be useful, *
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
25 * GNU General Public License for more details. *
26 * *
27 * You should have received a copy of the GNU General Public License *
28 * along with this program; if not, write to the *
29 * Free Software Foundation, Inc., *
30 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
31 ***************************************************************************/
32 #ifdef HAVE_CONFIG_H
33 #include "config.h"
34 #endif
35
36 #include "target.h"
37 #include "target_type.h"
38 #include "target_request.h"
39 #include "time_support.h"
40 #include "register.h"
41 #include "trace.h"
42 #include "image.h"
43 #include "jtag.h"
44
45
46 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
47
48 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
49 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
50 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
51 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
52 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
53 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
54 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
55 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
56 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
57 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
58 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
59 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
60 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
61 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
62 static int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
63 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
64 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
65 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
66 static int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
67 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
68 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
69 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
70
71 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
72 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
73 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv);
74
75 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
76 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
77
78 /* targets */
79 extern target_type_t arm7tdmi_target;
80 extern target_type_t arm720t_target;
81 extern target_type_t arm9tdmi_target;
82 extern target_type_t arm920t_target;
83 extern target_type_t arm966e_target;
84 extern target_type_t arm926ejs_target;
85 extern target_type_t fa526_target;
86 extern target_type_t feroceon_target;
87 extern target_type_t xscale_target;
88 extern target_type_t cortexm3_target;
89 extern target_type_t cortexa8_target;
90 extern target_type_t arm11_target;
91 extern target_type_t mips_m4k_target;
92 extern target_type_t avr_target;
93
94 target_type_t *target_types[] =
95 {
96 &arm7tdmi_target,
97 &arm9tdmi_target,
98 &arm920t_target,
99 &arm720t_target,
100 &arm966e_target,
101 &arm926ejs_target,
102 &fa526_target,
103 &feroceon_target,
104 &xscale_target,
105 &cortexm3_target,
106 &cortexa8_target,
107 &arm11_target,
108 &mips_m4k_target,
109 &avr_target,
110 NULL,
111 };
112
113 target_t *all_targets = NULL;
114 target_event_callback_t *target_event_callbacks = NULL;
115 target_timer_callback_t *target_timer_callbacks = NULL;
116
117 const Jim_Nvp nvp_assert[] = {
118 { .name = "assert", NVP_ASSERT },
119 { .name = "deassert", NVP_DEASSERT },
120 { .name = "T", NVP_ASSERT },
121 { .name = "F", NVP_DEASSERT },
122 { .name = "t", NVP_ASSERT },
123 { .name = "f", NVP_DEASSERT },
124 { .name = NULL, .value = -1 }
125 };
126
127 const Jim_Nvp nvp_error_target[] = {
128 { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
129 { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
130 { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
131 { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
132 { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
133 { .value = ERROR_TARGET_UNALIGNED_ACCESS , .name = "err-unaligned-access" },
134 { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
135 { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
136 { .value = ERROR_TARGET_TRANSLATION_FAULT , .name = "err-translation-fault" },
137 { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
138 { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
139 { .value = -1, .name = NULL }
140 };
141
142 const char *target_strerror_safe( int err )
143 {
144 const Jim_Nvp *n;
145
146 n = Jim_Nvp_value2name_simple( nvp_error_target, err );
147 if( n->name == NULL ){
148 return "unknown";
149 } else {
150 return n->name;
151 }
152 }
153
154 static const Jim_Nvp nvp_target_event[] = {
155 { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
156 { .value = TARGET_EVENT_OLD_pre_resume , .name = "old-pre_resume" },
157
158 { .value = TARGET_EVENT_EARLY_HALTED, .name = "early-halted" },
159 { .value = TARGET_EVENT_HALTED, .name = "halted" },
160 { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
161 { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
162 { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
163
164 { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
165 { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
166
167 /* historical name */
168
169 { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
170
171 { .value = TARGET_EVENT_RESET_ASSERT_PRE, .name = "reset-assert-pre" },
172 { .value = TARGET_EVENT_RESET_ASSERT_POST, .name = "reset-assert-post" },
173 { .value = TARGET_EVENT_RESET_DEASSERT_PRE, .name = "reset-deassert-pre" },
174 { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
175 { .value = TARGET_EVENT_RESET_HALT_PRE, .name = "reset-halt-pre" },
176 { .value = TARGET_EVENT_RESET_HALT_POST, .name = "reset-halt-post" },
177 { .value = TARGET_EVENT_RESET_WAIT_PRE, .name = "reset-wait-pre" },
178 { .value = TARGET_EVENT_RESET_WAIT_POST, .name = "reset-wait-post" },
179 { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
180 { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
181
182 { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
183 { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
184
185 { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
186 { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
187
188 { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
189 { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
190
191 { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
192 { .value = TARGET_EVENT_GDB_FLASH_WRITE_END , .name = "gdb-flash-write-end" },
193
194 { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
195 { .value = TARGET_EVENT_GDB_FLASH_ERASE_END , .name = "gdb-flash-erase-end" },
196
197 { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
198 { .value = TARGET_EVENT_RESUMED , .name = "resume-ok" },
199 { .value = TARGET_EVENT_RESUME_END , .name = "resume-end" },
200
201 { .name = NULL, .value = -1 }
202 };
203
204 const Jim_Nvp nvp_target_state[] = {
205 { .name = "unknown", .value = TARGET_UNKNOWN },
206 { .name = "running", .value = TARGET_RUNNING },
207 { .name = "halted", .value = TARGET_HALTED },
208 { .name = "reset", .value = TARGET_RESET },
209 { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
210 { .name = NULL, .value = -1 },
211 };
212
213 const Jim_Nvp nvp_target_debug_reason [] = {
214 { .name = "debug-request" , .value = DBG_REASON_DBGRQ },
215 { .name = "breakpoint" , .value = DBG_REASON_BREAKPOINT },
216 { .name = "watchpoint" , .value = DBG_REASON_WATCHPOINT },
217 { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
218 { .name = "single-step" , .value = DBG_REASON_SINGLESTEP },
219 { .name = "target-not-halted" , .value = DBG_REASON_NOTHALTED },
220 { .name = "undefined" , .value = DBG_REASON_UNDEFINED },
221 { .name = NULL, .value = -1 },
222 };
223
224 const Jim_Nvp nvp_target_endian[] = {
225 { .name = "big", .value = TARGET_BIG_ENDIAN },
226 { .name = "little", .value = TARGET_LITTLE_ENDIAN },
227 { .name = "be", .value = TARGET_BIG_ENDIAN },
228 { .name = "le", .value = TARGET_LITTLE_ENDIAN },
229 { .name = NULL, .value = -1 },
230 };
231
232 const Jim_Nvp nvp_reset_modes[] = {
233 { .name = "unknown", .value = RESET_UNKNOWN },
234 { .name = "run" , .value = RESET_RUN },
235 { .name = "halt" , .value = RESET_HALT },
236 { .name = "init" , .value = RESET_INIT },
237 { .name = NULL , .value = -1 },
238 };
239
240 static int max_target_number(void)
241 {
242 target_t *t;
243 int x;
244
245 x = -1;
246 t = all_targets;
247 while( t ){
248 if( x < t->target_number ){
249 x = (t->target_number)+1;
250 }
251 t = t->next;
252 }
253 return x;
254 }
255
256 /* determine the number of the new target */
257 static int new_target_number(void)
258 {
259 target_t *t;
260 int x;
261
262 /* number is 0 based */
263 x = -1;
264 t = all_targets;
265 while(t){
266 if( x < t->target_number ){
267 x = t->target_number;
268 }
269 t = t->next;
270 }
271 return x+1;
272 }
273
274 static int target_continuous_poll = 1;
275
276 /* read a uint32_t from a buffer in target memory endianness */
277 uint32_t target_buffer_get_u32(target_t *target, const uint8_t *buffer)
278 {
279 if (target->endianness == TARGET_LITTLE_ENDIAN)
280 return le_to_h_u32(buffer);
281 else
282 return be_to_h_u32(buffer);
283 }
284
285 /* read a uint16_t from a buffer in target memory endianness */
286 uint16_t target_buffer_get_u16(target_t *target, const uint8_t *buffer)
287 {
288 if (target->endianness == TARGET_LITTLE_ENDIAN)
289 return le_to_h_u16(buffer);
290 else
291 return be_to_h_u16(buffer);
292 }
293
294 /* read a uint8_t from a buffer in target memory endianness */
295 uint8_t target_buffer_get_u8(target_t *target, const uint8_t *buffer)
296 {
297 return *buffer & 0x0ff;
298 }
299
300 /* write a uint32_t to a buffer in target memory endianness */
301 void target_buffer_set_u32(target_t *target, uint8_t *buffer, uint32_t value)
302 {
303 if (target->endianness == TARGET_LITTLE_ENDIAN)
304 h_u32_to_le(buffer, value);
305 else
306 h_u32_to_be(buffer, value);
307 }
308
309 /* write a uint16_t to a buffer in target memory endianness */
310 void target_buffer_set_u16(target_t *target, uint8_t *buffer, uint16_t value)
311 {
312 if (target->endianness == TARGET_LITTLE_ENDIAN)
313 h_u16_to_le(buffer, value);
314 else
315 h_u16_to_be(buffer, value);
316 }
317
318 /* write a uint8_t to a buffer in target memory endianness */
319 void target_buffer_set_u8(target_t *target, uint8_t *buffer, uint8_t value)
320 {
321 *buffer = value;
322 }
323
324 /* return a pointer to a configured target; id is name or number */
325 target_t *get_target(const char *id)
326 {
327 target_t *target;
328
329 /* try as tcltarget name */
330 for (target = all_targets; target; target = target->next) {
331 if (target->cmd_name == NULL)
332 continue;
333 if (strcmp(id, target->cmd_name) == 0)
334 return target;
335 }
336
337 /* no match, try as number */
338 unsigned num;
339 if (parse_uint(id, &num) != ERROR_OK)
340 return NULL;
341
342 for (target = all_targets; target; target = target->next) {
343 if (target->target_number == (int)num)
344 return target;
345 }
346
347 return NULL;
348 }
349
350 /* returns a pointer to the n-th configured target */
351 static target_t *get_target_by_num(int num)
352 {
353 target_t *target = all_targets;
354
355 while (target){
356 if( target->target_number == num ){
357 return target;
358 }
359 target = target->next;
360 }
361
362 return NULL;
363 }
364
365 int get_num_by_target(target_t *query_target)
366 {
367 return query_target->target_number;
368 }
369
370 target_t* get_current_target(command_context_t *cmd_ctx)
371 {
372 target_t *target = get_target_by_num(cmd_ctx->current_target);
373
374 if (target == NULL)
375 {
376 LOG_ERROR("BUG: current_target out of bounds");
377 exit(-1);
378 }
379
380 return target;
381 }
382
383 int target_poll(struct target_s *target)
384 {
385 /* We can't poll until after examine */
386 if (!target_was_examined(target))
387 {
388 /* Fail silently lest we pollute the log */
389 return ERROR_FAIL;
390 }
391 return target->type->poll(target);
392 }
393
394 int target_halt(struct target_s *target)
395 {
396 /* We can't poll until after examine */
397 if (!target_was_examined(target))
398 {
399 LOG_ERROR("Target not examined yet");
400 return ERROR_FAIL;
401 }
402 return target->type->halt(target);
403 }
404
405 int target_resume(struct target_s *target, int current, uint32_t address, int handle_breakpoints, int debug_execution)
406 {
407 int retval;
408
409 /* We can't poll until after examine */
410 if (!target_was_examined(target))
411 {
412 LOG_ERROR("Target not examined yet");
413 return ERROR_FAIL;
414 }
415
416 /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
417 * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
418 * the application.
419 */
420 if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
421 return retval;
422
423 return retval;
424 }
425
426 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
427 {
428 char buf[100];
429 int retval;
430 Jim_Nvp *n;
431 n = Jim_Nvp_value2name_simple( nvp_reset_modes, reset_mode );
432 if( n->name == NULL ){
433 LOG_ERROR("invalid reset mode");
434 return ERROR_FAIL;
435 }
436
437 /* disable polling during reset to make reset event scripts
438 * more predictable, i.e. dr/irscan & pathmove in events will
439 * not have JTAG operations injected into the middle of a sequence.
440 */
441 int save_poll = target_continuous_poll;
442 target_continuous_poll = 0;
443
444 sprintf( buf, "ocd_process_reset %s", n->name );
445 retval = Jim_Eval( interp, buf );
446
447 target_continuous_poll = save_poll;
448
449 if(retval != JIM_OK) {
450 Jim_PrintErrorMessage(interp);
451 return ERROR_FAIL;
452 }
453
454 /* We want any events to be processed before the prompt */
455 retval = target_call_timer_callbacks_now();
456
457 return retval;
458 }
459
460 static int default_virt2phys(struct target_s *target, uint32_t virtual, uint32_t *physical)
461 {
462 *physical = virtual;
463 return ERROR_OK;
464 }
465
466 static int default_mmu(struct target_s *target, int *enabled)
467 {
468 *enabled = 0;
469 return ERROR_OK;
470 }
471
472 static int default_examine(struct target_s *target)
473 {
474 target_set_examined(target);
475 return ERROR_OK;
476 }
477
478 int target_examine_one(struct target_s *target)
479 {
480 return target->type->examine(target);
481 }
482
483 static int jtag_enable_callback(enum jtag_event event, void *priv)
484 {
485 target_t *target = priv;
486
487 if (event != JTAG_TAP_EVENT_ENABLE || !target->tap->enabled)
488 return ERROR_OK;
489
490 jtag_unregister_event_callback(jtag_enable_callback, target);
491 return target_examine_one(target);
492 }
493
494
495 /* Targets that correctly implement init+examine, i.e.
496 * no communication with target during init:
497 *
498 * XScale
499 */
500 int target_examine(void)
501 {
502 int retval = ERROR_OK;
503 target_t *target;
504
505 for (target = all_targets; target; target = target->next)
506 {
507 /* defer examination, but don't skip it */
508 if (!target->tap->enabled) {
509 jtag_register_event_callback(jtag_enable_callback,
510 target);
511 continue;
512 }
513 if ((retval = target_examine_one(target)) != ERROR_OK)
514 return retval;
515 }
516 return retval;
517 }
518 const char *target_get_name(struct target_s *target)
519 {
520 return target->type->name;
521 }
522
523 static int target_write_memory_imp(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
524 {
525 if (!target_was_examined(target))
526 {
527 LOG_ERROR("Target not examined yet");
528 return ERROR_FAIL;
529 }
530 return target->type->write_memory_imp(target, address, size, count, buffer);
531 }
532
533 static int target_read_memory_imp(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
534 {
535 if (!target_was_examined(target))
536 {
537 LOG_ERROR("Target not examined yet");
538 return ERROR_FAIL;
539 }
540 return target->type->read_memory_imp(target, address, size, count, buffer);
541 }
542
543 static int target_soft_reset_halt_imp(struct target_s *target)
544 {
545 if (!target_was_examined(target))
546 {
547 LOG_ERROR("Target not examined yet");
548 return ERROR_FAIL;
549 }
550 return target->type->soft_reset_halt_imp(target);
551 }
552
553 static int target_run_algorithm_imp(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_param, uint32_t entry_point, uint32_t exit_point, int timeout_ms, void *arch_info)
554 {
555 if (!target_was_examined(target))
556 {
557 LOG_ERROR("Target not examined yet");
558 return ERROR_FAIL;
559 }
560 return target->type->run_algorithm_imp(target, num_mem_params, mem_params, num_reg_params, reg_param, entry_point, exit_point, timeout_ms, arch_info);
561 }
562
563 int target_read_memory(struct target_s *target,
564 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
565 {
566 return target->type->read_memory(target, address, size, count, buffer);
567 }
568
569 int target_write_memory(struct target_s *target,
570 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
571 {
572 return target->type->write_memory(target, address, size, count, buffer);
573 }
574 int target_bulk_write_memory(struct target_s *target,
575 uint32_t address, uint32_t count, uint8_t *buffer)
576 {
577 return target->type->bulk_write_memory(target, address, count, buffer);
578 }
579
580 int target_add_breakpoint(struct target_s *target,
581 struct breakpoint_s *breakpoint)
582 {
583 return target->type->add_breakpoint(target, breakpoint);
584 }
585 int target_remove_breakpoint(struct target_s *target,
586 struct breakpoint_s *breakpoint)
587 {
588 return target->type->remove_breakpoint(target, breakpoint);
589 }
590
591 int target_add_watchpoint(struct target_s *target,
592 struct watchpoint_s *watchpoint)
593 {
594 return target->type->add_watchpoint(target, watchpoint);
595 }
596 int target_remove_watchpoint(struct target_s *target,
597 struct watchpoint_s *watchpoint)
598 {
599 return target->type->remove_watchpoint(target, watchpoint);
600 }
601
602 int target_get_gdb_reg_list(struct target_s *target,
603 struct reg_s **reg_list[], int *reg_list_size)
604 {
605 return target->type->get_gdb_reg_list(target, reg_list, reg_list_size);
606 }
607 int target_step(struct target_s *target,
608 int current, uint32_t address, int handle_breakpoints)
609 {
610 return target->type->step(target, current, address, handle_breakpoints);
611 }
612
613
614 int target_run_algorithm(struct target_s *target,
615 int num_mem_params, mem_param_t *mem_params,
616 int num_reg_params, reg_param_t *reg_param,
617 uint32_t entry_point, uint32_t exit_point,
618 int timeout_ms, void *arch_info)
619 {
620 return target->type->run_algorithm(target,
621 num_mem_params, mem_params, num_reg_params, reg_param,
622 entry_point, exit_point, timeout_ms, arch_info);
623 }
624
625 /// @returns @c true if the target has been examined.
626 bool target_was_examined(struct target_s *target)
627 {
628 return target->type->examined;
629 }
630 /// Sets the @c examined flag for the given target.
631 void target_set_examined(struct target_s *target)
632 {
633 target->type->examined = true;
634 }
635 // Reset the @c examined flag for the given target.
636 void target_reset_examined(struct target_s *target)
637 {
638 target->type->examined = false;
639 }
640
641
642 int target_init(struct command_context_s *cmd_ctx)
643 {
644 target_t *target = all_targets;
645 int retval;
646
647 while (target)
648 {
649 target_reset_examined(target);
650 if (target->type->examine == NULL)
651 {
652 target->type->examine = default_examine;
653 }
654
655 if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
656 {
657 LOG_ERROR("target '%s' init failed", target_get_name(target));
658 return retval;
659 }
660
661 /* Set up default functions if none are provided by target */
662 if (target->type->virt2phys == NULL)
663 {
664 target->type->virt2phys = default_virt2phys;
665 }
666 target->type->virt2phys = default_virt2phys;
667 /* a non-invasive way(in terms of patches) to add some code that
668 * runs before the type->write/read_memory implementation
669 */
670 target->type->write_memory_imp = target->type->write_memory;
671 target->type->write_memory = target_write_memory_imp;
672 target->type->read_memory_imp = target->type->read_memory;
673 target->type->read_memory = target_read_memory_imp;
674 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
675 target->type->soft_reset_halt = target_soft_reset_halt_imp;
676 target->type->run_algorithm_imp = target->type->run_algorithm;
677 target->type->run_algorithm = target_run_algorithm_imp;
678
679 if (target->type->mmu == NULL)
680 {
681 target->type->mmu = default_mmu;
682 }
683 target = target->next;
684 }
685
686 if (all_targets)
687 {
688 if((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
689 return retval;
690 if((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
691 return retval;
692 }
693
694 return ERROR_OK;
695 }
696
697 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
698 {
699 target_event_callback_t **callbacks_p = &target_event_callbacks;
700
701 if (callback == NULL)
702 {
703 return ERROR_INVALID_ARGUMENTS;
704 }
705
706 if (*callbacks_p)
707 {
708 while ((*callbacks_p)->next)
709 callbacks_p = &((*callbacks_p)->next);
710 callbacks_p = &((*callbacks_p)->next);
711 }
712
713 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
714 (*callbacks_p)->callback = callback;
715 (*callbacks_p)->priv = priv;
716 (*callbacks_p)->next = NULL;
717
718 return ERROR_OK;
719 }
720
721 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
722 {
723 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
724 struct timeval now;
725
726 if (callback == NULL)
727 {
728 return ERROR_INVALID_ARGUMENTS;
729 }
730
731 if (*callbacks_p)
732 {
733 while ((*callbacks_p)->next)
734 callbacks_p = &((*callbacks_p)->next);
735 callbacks_p = &((*callbacks_p)->next);
736 }
737
738 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
739 (*callbacks_p)->callback = callback;
740 (*callbacks_p)->periodic = periodic;
741 (*callbacks_p)->time_ms = time_ms;
742
743 gettimeofday(&now, NULL);
744 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
745 time_ms -= (time_ms % 1000);
746 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
747 if ((*callbacks_p)->when.tv_usec > 1000000)
748 {
749 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
750 (*callbacks_p)->when.tv_sec += 1;
751 }
752
753 (*callbacks_p)->priv = priv;
754 (*callbacks_p)->next = NULL;
755
756 return ERROR_OK;
757 }
758
759 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
760 {
761 target_event_callback_t **p = &target_event_callbacks;
762 target_event_callback_t *c = target_event_callbacks;
763
764 if (callback == NULL)
765 {
766 return ERROR_INVALID_ARGUMENTS;
767 }
768
769 while (c)
770 {
771 target_event_callback_t *next = c->next;
772 if ((c->callback == callback) && (c->priv == priv))
773 {
774 *p = next;
775 free(c);
776 return ERROR_OK;
777 }
778 else
779 p = &(c->next);
780 c = next;
781 }
782
783 return ERROR_OK;
784 }
785
786 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
787 {
788 target_timer_callback_t **p = &target_timer_callbacks;
789 target_timer_callback_t *c = target_timer_callbacks;
790
791 if (callback == NULL)
792 {
793 return ERROR_INVALID_ARGUMENTS;
794 }
795
796 while (c)
797 {
798 target_timer_callback_t *next = c->next;
799 if ((c->callback == callback) && (c->priv == priv))
800 {
801 *p = next;
802 free(c);
803 return ERROR_OK;
804 }
805 else
806 p = &(c->next);
807 c = next;
808 }
809
810 return ERROR_OK;
811 }
812
813 int target_call_event_callbacks(target_t *target, enum target_event event)
814 {
815 target_event_callback_t *callback = target_event_callbacks;
816 target_event_callback_t *next_callback;
817
818 if (event == TARGET_EVENT_HALTED)
819 {
820 /* execute early halted first */
821 target_call_event_callbacks(target, TARGET_EVENT_EARLY_HALTED);
822 }
823
824 LOG_DEBUG("target event %i (%s)",
825 event,
826 Jim_Nvp_value2name_simple( nvp_target_event, event )->name );
827
828 target_handle_event( target, event );
829
830 while (callback)
831 {
832 next_callback = callback->next;
833 callback->callback(target, event, callback->priv);
834 callback = next_callback;
835 }
836
837 return ERROR_OK;
838 }
839
840 static int target_timer_callback_periodic_restart(
841 target_timer_callback_t *cb, struct timeval *now)
842 {
843 int time_ms = cb->time_ms;
844 cb->when.tv_usec = now->tv_usec + (time_ms % 1000) * 1000;
845 time_ms -= (time_ms % 1000);
846 cb->when.tv_sec = now->tv_sec + time_ms / 1000;
847 if (cb->when.tv_usec > 1000000)
848 {
849 cb->when.tv_usec = cb->when.tv_usec - 1000000;
850 cb->when.tv_sec += 1;
851 }
852 return ERROR_OK;
853 }
854
855 static int target_call_timer_callback(target_timer_callback_t *cb,
856 struct timeval *now)
857 {
858 cb->callback(cb->priv);
859
860 if (cb->periodic)
861 return target_timer_callback_periodic_restart(cb, now);
862
863 return target_unregister_timer_callback(cb->callback, cb->priv);
864 }
865
866 static int target_call_timer_callbacks_check_time(int checktime)
867 {
868 keep_alive();
869
870 struct timeval now;
871 gettimeofday(&now, NULL);
872
873 target_timer_callback_t *callback = target_timer_callbacks;
874 while (callback)
875 {
876 // cleaning up may unregister and free this callback
877 target_timer_callback_t *next_callback = callback->next;
878
879 bool call_it = callback->callback &&
880 ((!checktime && callback->periodic) ||
881 now.tv_sec > callback->when.tv_sec ||
882 (now.tv_sec == callback->when.tv_sec &&
883 now.tv_usec >= callback->when.tv_usec));
884
885 if (call_it)
886 {
887 int retval = target_call_timer_callback(callback, &now);
888 if (retval != ERROR_OK)
889 return retval;
890 }
891
892 callback = next_callback;
893 }
894
895 return ERROR_OK;
896 }
897
898 int target_call_timer_callbacks(void)
899 {
900 return target_call_timer_callbacks_check_time(1);
901 }
902
903 /* invoke periodic callbacks immediately */
904 int target_call_timer_callbacks_now(void)
905 {
906 return target_call_timer_callbacks_check_time(0);
907 }
908
909 int target_alloc_working_area(struct target_s *target, uint32_t size, working_area_t **area)
910 {
911 working_area_t *c = target->working_areas;
912 working_area_t *new_wa = NULL;
913
914 /* Reevaluate working area address based on MMU state*/
915 if (target->working_areas == NULL)
916 {
917 int retval;
918 int enabled;
919 retval = target->type->mmu(target, &enabled);
920 if (retval != ERROR_OK)
921 {
922 return retval;
923 }
924 if (enabled)
925 {
926 target->working_area = target->working_area_virt;
927 }
928 else
929 {
930 target->working_area = target->working_area_phys;
931 }
932 }
933
934 /* only allocate multiples of 4 byte */
935 if (size % 4)
936 {
937 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
938 size = CEIL(size, 4);
939 }
940
941 /* see if there's already a matching working area */
942 while (c)
943 {
944 if ((c->free) && (c->size == size))
945 {
946 new_wa = c;
947 break;
948 }
949 c = c->next;
950 }
951
952 /* if not, allocate a new one */
953 if (!new_wa)
954 {
955 working_area_t **p = &target->working_areas;
956 uint32_t first_free = target->working_area;
957 uint32_t free_size = target->working_area_size;
958
959 LOG_DEBUG("allocating new working area");
960
961 c = target->working_areas;
962 while (c)
963 {
964 first_free += c->size;
965 free_size -= c->size;
966 p = &c->next;
967 c = c->next;
968 }
969
970 if (free_size < size)
971 {
972 LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
973 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
974 }
975
976 new_wa = malloc(sizeof(working_area_t));
977 new_wa->next = NULL;
978 new_wa->size = size;
979 new_wa->address = first_free;
980
981 if (target->backup_working_area)
982 {
983 int retval;
984 new_wa->backup = malloc(new_wa->size);
985 if((retval = target_read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
986 {
987 free(new_wa->backup);
988 free(new_wa);
989 return retval;
990 }
991 }
992 else
993 {
994 new_wa->backup = NULL;
995 }
996
997 /* put new entry in list */
998 *p = new_wa;
999 }
1000
1001 /* mark as used, and return the new (reused) area */
1002 new_wa->free = 0;
1003 *area = new_wa;
1004
1005 /* user pointer */
1006 new_wa->user = area;
1007
1008 return ERROR_OK;
1009 }
1010
1011 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
1012 {
1013 if (area->free)
1014 return ERROR_OK;
1015
1016 if (restore&&target->backup_working_area)
1017 {
1018 int retval;
1019 if((retval = target_write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
1020 return retval;
1021 }
1022
1023 area->free = 1;
1024
1025 /* mark user pointer invalid */
1026 *area->user = NULL;
1027 area->user = NULL;
1028
1029 return ERROR_OK;
1030 }
1031
1032 int target_free_working_area(struct target_s *target, working_area_t *area)
1033 {
1034 return target_free_working_area_restore(target, area, 1);
1035 }
1036
1037 /* free resources and restore memory, if restoring memory fails,
1038 * free up resources anyway
1039 */
1040 void target_free_all_working_areas_restore(struct target_s *target, int restore)
1041 {
1042 working_area_t *c = target->working_areas;
1043
1044 while (c)
1045 {
1046 working_area_t *next = c->next;
1047 target_free_working_area_restore(target, c, restore);
1048
1049 if (c->backup)
1050 free(c->backup);
1051
1052 free(c);
1053
1054 c = next;
1055 }
1056
1057 target->working_areas = NULL;
1058 }
1059
1060 void target_free_all_working_areas(struct target_s *target)
1061 {
1062 target_free_all_working_areas_restore(target, 1);
1063 }
1064
1065 int target_register_commands(struct command_context_s *cmd_ctx)
1066 {
1067
1068 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, "change the current command line target (one parameter) or lists targets (with no parameter)");
1069
1070
1071
1072
1073 register_jim(cmd_ctx, "target", jim_target, "configure target" );
1074
1075 return ERROR_OK;
1076 }
1077
1078 int target_arch_state(struct target_s *target)
1079 {
1080 int retval;
1081 if (target==NULL)
1082 {
1083 LOG_USER("No target has been configured");
1084 return ERROR_OK;
1085 }
1086
1087 LOG_USER("target state: %s",
1088 Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name);
1089
1090 if (target->state!=TARGET_HALTED)
1091 return ERROR_OK;
1092
1093 retval=target->type->arch_state(target);
1094 return retval;
1095 }
1096
1097 /* Single aligned words are guaranteed to use 16 or 32 bit access
1098 * mode respectively, otherwise data is handled as quickly as
1099 * possible
1100 */
1101 int target_write_buffer(struct target_s *target, uint32_t address, uint32_t size, uint8_t *buffer)
1102 {
1103 int retval;
1104 LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
1105
1106 if (!target_was_examined(target))
1107 {
1108 LOG_ERROR("Target not examined yet");
1109 return ERROR_FAIL;
1110 }
1111
1112 if (size == 0) {
1113 return ERROR_OK;
1114 }
1115
1116 if ((address + size - 1) < address)
1117 {
1118 /* GDB can request this when e.g. PC is 0xfffffffc*/
1119 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1120 return ERROR_FAIL;
1121 }
1122
1123 if (((address % 2) == 0) && (size == 2))
1124 {
1125 return target_write_memory(target, address, 2, 1, buffer);
1126 }
1127
1128 /* handle unaligned head bytes */
1129 if (address % 4)
1130 {
1131 uint32_t unaligned = 4 - (address % 4);
1132
1133 if (unaligned > size)
1134 unaligned = size;
1135
1136 if ((retval = target_write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1137 return retval;
1138
1139 buffer += unaligned;
1140 address += unaligned;
1141 size -= unaligned;
1142 }
1143
1144 /* handle aligned words */
1145 if (size >= 4)
1146 {
1147 int aligned = size - (size % 4);
1148
1149 /* use bulk writes above a certain limit. This may have to be changed */
1150 if (aligned > 128)
1151 {
1152 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1153 return retval;
1154 }
1155 else
1156 {
1157 if ((retval = target_write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1158 return retval;
1159 }
1160
1161 buffer += aligned;
1162 address += aligned;
1163 size -= aligned;
1164 }
1165
1166 /* handle tail writes of less than 4 bytes */
1167 if (size > 0)
1168 {
1169 if ((retval = target_write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1170 return retval;
1171 }
1172
1173 return ERROR_OK;
1174 }
1175
1176 /* Single aligned words are guaranteed to use 16 or 32 bit access
1177 * mode respectively, otherwise data is handled as quickly as
1178 * possible
1179 */
1180 int target_read_buffer(struct target_s *target, uint32_t address, uint32_t size, uint8_t *buffer)
1181 {
1182 int retval;
1183 LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1184
1185 if (!target_was_examined(target))
1186 {
1187 LOG_ERROR("Target not examined yet");
1188 return ERROR_FAIL;
1189 }
1190
1191 if (size == 0) {
1192 return ERROR_OK;
1193 }
1194
1195 if ((address + size - 1) < address)
1196 {
1197 /* GDB can request this when e.g. PC is 0xfffffffc*/
1198 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1199 return ERROR_FAIL;
1200 }
1201
1202 if (((address % 2) == 0) && (size == 2))
1203 {
1204 return target_read_memory(target, address, 2, 1, buffer);
1205 }
1206
1207 /* handle unaligned head bytes */
1208 if (address % 4)
1209 {
1210 uint32_t unaligned = 4 - (address % 4);
1211
1212 if (unaligned > size)
1213 unaligned = size;
1214
1215 if ((retval = target_read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1216 return retval;
1217
1218 buffer += unaligned;
1219 address += unaligned;
1220 size -= unaligned;
1221 }
1222
1223 /* handle aligned words */
1224 if (size >= 4)
1225 {
1226 int aligned = size - (size % 4);
1227
1228 if ((retval = target_read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1229 return retval;
1230
1231 buffer += aligned;
1232 address += aligned;
1233 size -= aligned;
1234 }
1235
1236 /* handle tail writes of less than 4 bytes */
1237 if (size > 0)
1238 {
1239 if ((retval = target_read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1240 return retval;
1241 }
1242
1243 return ERROR_OK;
1244 }
1245
1246 int target_checksum_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t* crc)
1247 {
1248 uint8_t *buffer;
1249 int retval;
1250 uint32_t i;
1251 uint32_t checksum = 0;
1252 if (!target_was_examined(target))
1253 {
1254 LOG_ERROR("Target not examined yet");
1255 return ERROR_FAIL;
1256 }
1257
1258 if ((retval = target->type->checksum_memory(target, address,
1259 size, &checksum)) != ERROR_OK)
1260 {
1261 buffer = malloc(size);
1262 if (buffer == NULL)
1263 {
1264 LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1265 return ERROR_INVALID_ARGUMENTS;
1266 }
1267 retval = target_read_buffer(target, address, size, buffer);
1268 if (retval != ERROR_OK)
1269 {
1270 free(buffer);
1271 return retval;
1272 }
1273
1274 /* convert to target endianess */
1275 for (i = 0; i < (size/sizeof(uint32_t)); i++)
1276 {
1277 uint32_t target_data;
1278 target_data = target_buffer_get_u32(target, &buffer[i*sizeof(uint32_t)]);
1279 target_buffer_set_u32(target, &buffer[i*sizeof(uint32_t)], target_data);
1280 }
1281
1282 retval = image_calculate_checksum( buffer, size, &checksum );
1283 free(buffer);
1284 }
1285
1286 *crc = checksum;
1287
1288 return retval;
1289 }
1290
1291 int target_blank_check_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t* blank)
1292 {
1293 int retval;
1294 if (!target_was_examined(target))
1295 {
1296 LOG_ERROR("Target not examined yet");
1297 return ERROR_FAIL;
1298 }
1299
1300 if (target->type->blank_check_memory == 0)
1301 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1302
1303 retval = target->type->blank_check_memory(target, address, size, blank);
1304
1305 return retval;
1306 }
1307
1308 int target_read_u32(struct target_s *target, uint32_t address, uint32_t *value)
1309 {
1310 uint8_t value_buf[4];
1311 if (!target_was_examined(target))
1312 {
1313 LOG_ERROR("Target not examined yet");
1314 return ERROR_FAIL;
1315 }
1316
1317 int retval = target_read_memory(target, address, 4, 1, value_buf);
1318
1319 if (retval == ERROR_OK)
1320 {
1321 *value = target_buffer_get_u32(target, value_buf);
1322 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1323 }
1324 else
1325 {
1326 *value = 0x0;
1327 LOG_DEBUG("address: 0x%8.8x failed", address);
1328 }
1329
1330 return retval;
1331 }
1332
1333 int target_read_u16(struct target_s *target, uint32_t address, uint16_t *value)
1334 {
1335 uint8_t value_buf[2];
1336 if (!target_was_examined(target))
1337 {
1338 LOG_ERROR("Target not examined yet");
1339 return ERROR_FAIL;
1340 }
1341
1342 int retval = target_read_memory(target, address, 2, 1, value_buf);
1343
1344 if (retval == ERROR_OK)
1345 {
1346 *value = target_buffer_get_u16(target, value_buf);
1347 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1348 }
1349 else
1350 {
1351 *value = 0x0;
1352 LOG_DEBUG("address: 0x%8.8x failed", address);
1353 }
1354
1355 return retval;
1356 }
1357
1358 int target_read_u8(struct target_s *target, uint32_t address, uint8_t *value)
1359 {
1360 int retval = target_read_memory(target, address, 1, 1, value);
1361 if (!target_was_examined(target))
1362 {
1363 LOG_ERROR("Target not examined yet");
1364 return ERROR_FAIL;
1365 }
1366
1367 if (retval == ERROR_OK)
1368 {
1369 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1370 }
1371 else
1372 {
1373 *value = 0x0;
1374 LOG_DEBUG("address: 0x%8.8x failed", address);
1375 }
1376
1377 return retval;
1378 }
1379
1380 int target_write_u32(struct target_s *target, uint32_t address, uint32_t value)
1381 {
1382 int retval;
1383 uint8_t value_buf[4];
1384 if (!target_was_examined(target))
1385 {
1386 LOG_ERROR("Target not examined yet");
1387 return ERROR_FAIL;
1388 }
1389
1390 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1391
1392 target_buffer_set_u32(target, value_buf, value);
1393 if ((retval = target_write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1394 {
1395 LOG_DEBUG("failed: %i", retval);
1396 }
1397
1398 return retval;
1399 }
1400
1401 int target_write_u16(struct target_s *target, uint32_t address, uint16_t value)
1402 {
1403 int retval;
1404 uint8_t value_buf[2];
1405 if (!target_was_examined(target))
1406 {
1407 LOG_ERROR("Target not examined yet");
1408 return ERROR_FAIL;
1409 }
1410
1411 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1412
1413 target_buffer_set_u16(target, value_buf, value);
1414 if ((retval = target_write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1415 {
1416 LOG_DEBUG("failed: %i", retval);
1417 }
1418
1419 return retval;
1420 }
1421
1422 int target_write_u8(struct target_s *target, uint32_t address, uint8_t value)
1423 {
1424 int retval;
1425 if (!target_was_examined(target))
1426 {
1427 LOG_ERROR("Target not examined yet");
1428 return ERROR_FAIL;
1429 }
1430
1431 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1432
1433 if ((retval = target_write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1434 {
1435 LOG_DEBUG("failed: %i", retval);
1436 }
1437
1438 return retval;
1439 }
1440
1441 int target_register_user_commands(struct command_context_s *cmd_ctx)
1442 {
1443 int retval = ERROR_OK;
1444
1445
1446 /* script procedures */
1447 register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "profiling samples the CPU PC");
1448 register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array, "read memory and return as a TCL array for script processing <ARRAYNAME> <WIDTH=32/16/8> <ADDRESS> <COUNT>");
1449 register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem, "convert a TCL array to memory locations and write the values <ARRAYNAME> <WIDTH=32/16/8> <ADDRESS> <COUNT>");
1450
1451 register_command(cmd_ctx, NULL, "fast_load_image", handle_fast_load_image_command, COMMAND_ANY,
1452 "same args as load_image, image stored in memory - mainly for profiling purposes");
1453
1454 register_command(cmd_ctx, NULL, "fast_load", handle_fast_load_command, COMMAND_ANY,
1455 "loads active fast load image to current target - mainly for profiling purposes");
1456
1457
1458 register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "translate a virtual address into a physical address");
1459 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, "display or set a register");
1460 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1461 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1462 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1463 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1464 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1465 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init] - default is run");
1466 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1467
1468 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1469 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1470 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1471
1472 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1473 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1474 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1475
1476 register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1477 register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1478 register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1479 register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1480
1481 register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19'] [min_address] [max_length]");
1482 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1483 register_command(cmd_ctx, NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1484 register_command(cmd_ctx, NULL, "test_image", handle_test_image_command, COMMAND_EXEC, "test_image <file> [offset] [type]");
1485
1486 if((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
1487 return retval;
1488 if((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
1489 return retval;
1490
1491 return retval;
1492 }
1493
1494 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1495 {
1496 target_t *target = all_targets;
1497
1498 if (argc == 1)
1499 {
1500 target = get_target(args[0]);
1501 if (target == NULL) {
1502 command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0] );
1503 goto DumpTargets;
1504 }
1505 if (!target->tap->enabled) {
1506 command_print(cmd_ctx,"Target: TAP %s is disabled, "
1507 "can't be the current target\n",
1508 target->tap->dotted_name);
1509 return ERROR_FAIL;
1510 }
1511
1512 cmd_ctx->current_target = target->target_number;
1513 return ERROR_OK;
1514 }
1515 DumpTargets:
1516
1517 target = all_targets;
1518 command_print(cmd_ctx, " TargetName Type Endian TapName State ");
1519 command_print(cmd_ctx, "-- ------------------ ---------- ------ ------------------ ------------");
1520 while (target)
1521 {
1522 const char *state;
1523 char marker = ' ';
1524
1525 if (target->tap->enabled)
1526 state = Jim_Nvp_value2name_simple(nvp_target_state,
1527 target->state)->name;
1528 else
1529 state = "tap-disabled";
1530
1531 if (cmd_ctx->current_target == target->target_number)
1532 marker = '*';
1533
1534 /* keep columns lined up to match the headers above */
1535 command_print(cmd_ctx, "%2d%c %-18s %-10s %-6s %-18s %s",
1536 target->target_number,
1537 marker,
1538 target->cmd_name,
1539 target_get_name(target),
1540 Jim_Nvp_value2name_simple(nvp_target_endian,
1541 target->endianness)->name,
1542 target->tap->dotted_name,
1543 state);
1544 target = target->next;
1545 }
1546
1547 return ERROR_OK;
1548 }
1549
1550 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1551
1552 static int powerDropout;
1553 static int srstAsserted;
1554
1555 static int runPowerRestore;
1556 static int runPowerDropout;
1557 static int runSrstAsserted;
1558 static int runSrstDeasserted;
1559
1560 static int sense_handler(void)
1561 {
1562 static int prevSrstAsserted = 0;
1563 static int prevPowerdropout = 0;
1564
1565 int retval;
1566 if ((retval=jtag_power_dropout(&powerDropout))!=ERROR_OK)
1567 return retval;
1568
1569 int powerRestored;
1570 powerRestored = prevPowerdropout && !powerDropout;
1571 if (powerRestored)
1572 {
1573 runPowerRestore = 1;
1574 }
1575
1576 long long current = timeval_ms();
1577 static long long lastPower = 0;
1578 int waitMore = lastPower + 2000 > current;
1579 if (powerDropout && !waitMore)
1580 {
1581 runPowerDropout = 1;
1582 lastPower = current;
1583 }
1584
1585 if ((retval=jtag_srst_asserted(&srstAsserted))!=ERROR_OK)
1586 return retval;
1587
1588 int srstDeasserted;
1589 srstDeasserted = prevSrstAsserted && !srstAsserted;
1590
1591 static long long lastSrst = 0;
1592 waitMore = lastSrst + 2000 > current;
1593 if (srstDeasserted && !waitMore)
1594 {
1595 runSrstDeasserted = 1;
1596 lastSrst = current;
1597 }
1598
1599 if (!prevSrstAsserted && srstAsserted)
1600 {
1601 runSrstAsserted = 1;
1602 }
1603
1604 prevSrstAsserted = srstAsserted;
1605 prevPowerdropout = powerDropout;
1606
1607 if (srstDeasserted || powerRestored)
1608 {
1609 /* Other than logging the event we can't do anything here.
1610 * Issuing a reset is a particularly bad idea as we might
1611 * be inside a reset already.
1612 */
1613 }
1614
1615 return ERROR_OK;
1616 }
1617
1618 /* process target state changes */
1619 int handle_target(void *priv)
1620 {
1621 int retval = ERROR_OK;
1622
1623 /* we do not want to recurse here... */
1624 static int recursive = 0;
1625 if (! recursive)
1626 {
1627 recursive = 1;
1628 sense_handler();
1629 /* danger! running these procedures can trigger srst assertions and power dropouts.
1630 * We need to avoid an infinite loop/recursion here and we do that by
1631 * clearing the flags after running these events.
1632 */
1633 int did_something = 0;
1634 if (runSrstAsserted)
1635 {
1636 Jim_Eval( interp, "srst_asserted");
1637 did_something = 1;
1638 }
1639 if (runSrstDeasserted)
1640 {
1641 Jim_Eval( interp, "srst_deasserted");
1642 did_something = 1;
1643 }
1644 if (runPowerDropout)
1645 {
1646 Jim_Eval( interp, "power_dropout");
1647 did_something = 1;
1648 }
1649 if (runPowerRestore)
1650 {
1651 Jim_Eval( interp, "power_restore");
1652 did_something = 1;
1653 }
1654
1655 if (did_something)
1656 {
1657 /* clear detect flags */
1658 sense_handler();
1659 }
1660
1661 /* clear action flags */
1662
1663 runSrstAsserted=0;
1664 runSrstDeasserted=0;
1665 runPowerRestore=0;
1666 runPowerDropout=0;
1667
1668 recursive = 0;
1669 }
1670
1671 /* Poll targets for state changes unless that's globally disabled.
1672 * Skip targets that are currently disabled.
1673 */
1674 for (target_t *target = all_targets;
1675 target_continuous_poll && target;
1676 target = target->next)
1677 {
1678 if (!target->tap->enabled)
1679 continue;
1680
1681 /* only poll target if we've got power and srst isn't asserted */
1682 if (!powerDropout && !srstAsserted)
1683 {
1684 /* polling may fail silently until the target has been examined */
1685 if((retval = target_poll(target)) != ERROR_OK)
1686 return retval;
1687 }
1688 }
1689
1690 return retval;
1691 }
1692
1693 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1694 {
1695 target_t *target;
1696 reg_t *reg = NULL;
1697 int count = 0;
1698 char *value;
1699
1700 LOG_DEBUG("-");
1701
1702 target = get_current_target(cmd_ctx);
1703
1704 /* list all available registers for the current target */
1705 if (argc == 0)
1706 {
1707 reg_cache_t *cache = target->reg_cache;
1708
1709 count = 0;
1710 while(cache)
1711 {
1712 int i;
1713 for (i = 0; i < cache->num_regs; i++)
1714 {
1715 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1716 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);
1717 free(value);
1718 }
1719 cache = cache->next;
1720 }
1721
1722 return ERROR_OK;
1723 }
1724
1725 /* access a single register by its ordinal number */
1726 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1727 {
1728 unsigned num;
1729 int retval = parse_uint(args[0], &num);
1730 if (ERROR_OK != retval)
1731 return ERROR_COMMAND_SYNTAX_ERROR;
1732
1733 reg_cache_t *cache = target->reg_cache;
1734 count = 0;
1735 while(cache)
1736 {
1737 int i;
1738 for (i = 0; i < cache->num_regs; i++)
1739 {
1740 if (count++ == (int)num)
1741 {
1742 reg = &cache->reg_list[i];
1743 break;
1744 }
1745 }
1746 if (reg)
1747 break;
1748 cache = cache->next;
1749 }
1750
1751 if (!reg)
1752 {
1753 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1754 return ERROR_OK;
1755 }
1756 } else /* access a single register by its name */
1757 {
1758 reg = register_get_by_name(target->reg_cache, args[0], 1);
1759
1760 if (!reg)
1761 {
1762 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1763 return ERROR_OK;
1764 }
1765 }
1766
1767 /* display a register */
1768 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1769 {
1770 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1771 reg->valid = 0;
1772
1773 if (reg->valid == 0)
1774 {
1775 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1776 arch_type->get(reg);
1777 }
1778 value = buf_to_str(reg->value, reg->size, 16);
1779 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1780 free(value);
1781 return ERROR_OK;
1782 }
1783
1784 /* set register value */
1785 if (argc == 2)
1786 {
1787 uint8_t *buf = malloc(CEIL(reg->size, 8));
1788 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1789
1790 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1791 arch_type->set(reg, buf);
1792
1793 value = buf_to_str(reg->value, reg->size, 16);
1794 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1795 free(value);
1796
1797 free(buf);
1798
1799 return ERROR_OK;
1800 }
1801
1802 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1803
1804 return ERROR_OK;
1805 }
1806
1807 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1808 {
1809 int retval = ERROR_OK;
1810 target_t *target = get_current_target(cmd_ctx);
1811
1812 if (argc == 0)
1813 {
1814 command_print(cmd_ctx, "background polling: %s",
1815 target_continuous_poll ? "on" : "off");
1816 command_print(cmd_ctx, "TAP: %s (%s)",
1817 target->tap->dotted_name,
1818 target->tap->enabled ? "enabled" : "disabled");
1819 if (!target->tap->enabled)
1820 return ERROR_OK;
1821 if ((retval = target_poll(target)) != ERROR_OK)
1822 return retval;
1823 if ((retval = target_arch_state(target)) != ERROR_OK)
1824 return retval;
1825
1826 }
1827 else if (argc==1)
1828 {
1829 if (strcmp(args[0], "on") == 0)
1830 {
1831 target_continuous_poll = 1;
1832 }
1833 else if (strcmp(args[0], "off") == 0)
1834 {
1835 target_continuous_poll = 0;
1836 }
1837 else
1838 {
1839 command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1840 }
1841 } else
1842 {
1843 return ERROR_COMMAND_SYNTAX_ERROR;
1844 }
1845
1846 return retval;
1847 }
1848
1849 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1850 {
1851 if (argc > 1)
1852 return ERROR_COMMAND_SYNTAX_ERROR;
1853
1854 unsigned ms = 5000;
1855 if (1 == argc)
1856 {
1857 int retval = parse_uint(args[0], &ms);
1858 if (ERROR_OK != retval)
1859 {
1860 command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1861 return ERROR_COMMAND_SYNTAX_ERROR;
1862 }
1863 // convert seconds (given) to milliseconds (needed)
1864 ms *= 1000;
1865 }
1866
1867 target_t *target = get_current_target(cmd_ctx);
1868 return target_wait_state(target, TARGET_HALTED, ms);
1869 }
1870
1871 /* wait for target state to change. The trick here is to have a low
1872 * latency for short waits and not to suck up all the CPU time
1873 * on longer waits.
1874 *
1875 * After 500ms, keep_alive() is invoked
1876 */
1877 int target_wait_state(target_t *target, enum target_state state, int ms)
1878 {
1879 int retval;
1880 long long then=0, cur;
1881 int once=1;
1882
1883 for (;;)
1884 {
1885 if ((retval=target_poll(target))!=ERROR_OK)
1886 return retval;
1887 if (target->state == state)
1888 {
1889 break;
1890 }
1891 cur = timeval_ms();
1892 if (once)
1893 {
1894 once=0;
1895 then = timeval_ms();
1896 LOG_DEBUG("waiting for target %s...",
1897 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1898 }
1899
1900 if (cur-then>500)
1901 {
1902 keep_alive();
1903 }
1904
1905 if ((cur-then)>ms)
1906 {
1907 LOG_ERROR("timed out while waiting for target %s",
1908 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1909 return ERROR_FAIL;
1910 }
1911 }
1912
1913 return ERROR_OK;
1914 }
1915
1916 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1917 {
1918 LOG_DEBUG("-");
1919
1920 target_t *target = get_current_target(cmd_ctx);
1921 int retval = target_halt(target);
1922 if (ERROR_OK != retval)
1923 return retval;
1924
1925 if (argc == 1)
1926 {
1927 unsigned wait;
1928 retval = parse_uint(args[0], &wait);
1929 if (ERROR_OK != retval)
1930 return ERROR_COMMAND_SYNTAX_ERROR;
1931 if (!wait)
1932 return ERROR_OK;
1933 }
1934
1935 return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1936 }
1937
1938 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1939 {
1940 target_t *target = get_current_target(cmd_ctx);
1941
1942 LOG_USER("requesting target halt and executing a soft reset");
1943
1944 target->type->soft_reset_halt(target);
1945
1946 return ERROR_OK;
1947 }
1948
1949 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1950 {
1951 if (argc > 1)
1952 return ERROR_COMMAND_SYNTAX_ERROR;
1953
1954 enum target_reset_mode reset_mode = RESET_RUN;
1955 if (argc == 1)
1956 {
1957 const Jim_Nvp *n;
1958 n = Jim_Nvp_name2value_simple( nvp_reset_modes, args[0] );
1959 if( (n->name == NULL) || (n->value == RESET_UNKNOWN) ){
1960 return ERROR_COMMAND_SYNTAX_ERROR;
1961 }
1962 reset_mode = n->value;
1963 }
1964
1965 /* reset *all* targets */
1966 return target_process_reset(cmd_ctx, reset_mode);
1967 }
1968
1969
1970 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1971 {
1972 if (argc > 1)
1973 return ERROR_COMMAND_SYNTAX_ERROR;
1974
1975 target_t *target = get_current_target(cmd_ctx);
1976 target_handle_event(target, TARGET_EVENT_OLD_pre_resume);
1977
1978 /* with no args, resume from current pc, addr = 0,
1979 * with one arguments, addr = args[0],
1980 * handle breakpoints, not debugging */
1981 uint32_t addr = 0;
1982 if (argc == 1)
1983 {
1984 int retval = parse_u32(args[0], &addr);
1985 if (ERROR_OK != retval)
1986 return retval;
1987 }
1988
1989 return target_resume(target, 0, addr, 1, 0);
1990 }
1991
1992 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1993 {
1994 if (argc > 1)
1995 return ERROR_COMMAND_SYNTAX_ERROR;
1996
1997 LOG_DEBUG("-");
1998
1999 /* with no args, step from current pc, addr = 0,
2000 * with one argument addr = args[0],
2001 * handle breakpoints, debugging */
2002 uint32_t addr = 0;
2003 if (argc == 1)
2004 {
2005 int retval = parse_u32(args[0], &addr);
2006 if (ERROR_OK != retval)
2007 return retval;
2008 }
2009
2010 target_t *target = get_current_target(cmd_ctx);
2011 return target->type->step(target, 0, addr, 1);
2012 }
2013
2014 static void handle_md_output(struct command_context_s *cmd_ctx,
2015 struct target_s *target, uint32_t address, unsigned size,
2016 unsigned count, const uint8_t *buffer)
2017 {
2018 const unsigned line_bytecnt = 32;
2019 unsigned line_modulo = line_bytecnt / size;
2020
2021 char output[line_bytecnt * 4 + 1];
2022 unsigned output_len = 0;
2023
2024 const char *value_fmt;
2025 switch (size) {
2026 case 4: value_fmt = "%8.8x "; break;
2027 case 2: value_fmt = "%4.2x "; break;
2028 case 1: value_fmt = "%2.2x "; break;
2029 default:
2030 LOG_ERROR("invalid memory read size: %u", size);
2031 exit(-1);
2032 }
2033
2034 for (unsigned i = 0; i < count; i++)
2035 {
2036 if (i % line_modulo == 0)
2037 {
2038 output_len += snprintf(output + output_len,
2039 sizeof(output) - output_len,
2040 "0x%8.8x: ", address + (i*size));
2041 }
2042
2043 uint32_t value=0;
2044 const uint8_t *value_ptr = buffer + i * size;
2045 switch (size) {
2046 case 4: value = target_buffer_get_u32(target, value_ptr); break;
2047 case 2: value = target_buffer_get_u16(target, value_ptr); break;
2048 case 1: value = *value_ptr;
2049 }
2050 output_len += snprintf(output + output_len,
2051 sizeof(output) - output_len,
2052 value_fmt, value);
2053
2054 if ((i % line_modulo == line_modulo - 1) || (i == count - 1))
2055 {
2056 command_print(cmd_ctx, "%s", output);
2057 output_len = 0;
2058 }
2059 }
2060 }
2061
2062 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2063 {
2064 if (argc < 1)
2065 return ERROR_COMMAND_SYNTAX_ERROR;
2066
2067 unsigned size = 0;
2068 switch (cmd[2]) {
2069 case 'w': size = 4; break;
2070 case 'h': size = 2; break;
2071 case 'b': size = 1; break;
2072 default: return ERROR_COMMAND_SYNTAX_ERROR;
2073 }
2074
2075 uint32_t address;
2076 int retval = parse_u32(args[0], &address);
2077 if (ERROR_OK != retval)
2078 return retval;
2079
2080 unsigned count = 1;
2081 if (argc == 2)
2082 {
2083 retval = parse_uint(args[1], &count);
2084 if (ERROR_OK != retval)
2085 return retval;
2086 }
2087
2088 uint8_t *buffer = calloc(count, size);
2089
2090 target_t *target = get_current_target(cmd_ctx);
2091 retval = target_read_memory(target,
2092 address, size, count, buffer);
2093 if (ERROR_OK == retval)
2094 handle_md_output(cmd_ctx, target, address, size, count, buffer);
2095
2096 free(buffer);
2097
2098 return retval;
2099 }
2100
2101 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2102 {
2103 if ((argc < 2) || (argc > 3))
2104 return ERROR_COMMAND_SYNTAX_ERROR;
2105
2106 uint32_t address;
2107 int retval = parse_u32(args[0], &address);
2108 if (ERROR_OK != retval)
2109 return retval;
2110
2111 uint32_t value;
2112 retval = parse_u32(args[1], &value);
2113 if (ERROR_OK != retval)
2114 return retval;
2115
2116 unsigned count = 1;
2117 if (argc == 3)
2118 {
2119 retval = parse_uint(args[2], &count);
2120 if (ERROR_OK != retval)
2121 return retval;
2122 }
2123
2124 target_t *target = get_current_target(cmd_ctx);
2125 unsigned wordsize;
2126 uint8_t value_buf[4];
2127 switch (cmd[2])
2128 {
2129 case 'w':
2130 wordsize = 4;
2131 target_buffer_set_u32(target, value_buf, value);
2132 break;
2133 case 'h':
2134 wordsize = 2;
2135 target_buffer_set_u16(target, value_buf, value);
2136 break;
2137 case 'b':
2138 wordsize = 1;
2139 value_buf[0] = value;
2140 break;
2141 default:
2142 return ERROR_COMMAND_SYNTAX_ERROR;
2143 }
2144 for (unsigned i = 0; i < count; i++)
2145 {
2146 retval = target_write_memory(target,
2147 address + i * wordsize, wordsize, 1, value_buf);
2148 if (ERROR_OK != retval)
2149 return retval;
2150 keep_alive();
2151 }
2152
2153 return ERROR_OK;
2154
2155 }
2156
2157 static int parse_load_image_command_args(char **args, int argc,
2158 image_t *image, uint32_t *min_address, uint32_t *max_address)
2159 {
2160 if (argc < 1 || argc > 5)
2161 return ERROR_COMMAND_SYNTAX_ERROR;
2162
2163 /* a base address isn't always necessary,
2164 * default to 0x0 (i.e. don't relocate) */
2165 if (argc >= 2)
2166 {
2167 uint32_t addr;
2168 int retval = parse_u32(args[1], &addr);
2169 if (ERROR_OK != retval)
2170 return ERROR_COMMAND_SYNTAX_ERROR;
2171 image->base_address = addr;
2172 image->base_address_set = 1;
2173 }
2174 else
2175 image->base_address_set = 0;
2176
2177 image->start_address_set = 0;
2178
2179 if (argc >= 4)
2180 {
2181 int retval = parse_u32(args[3], min_address);
2182 if (ERROR_OK != retval)
2183 return ERROR_COMMAND_SYNTAX_ERROR;
2184 }
2185 if (argc == 5)
2186 {
2187 int retval = parse_u32(args[4], max_address);
2188 if (ERROR_OK != retval)
2189 return ERROR_COMMAND_SYNTAX_ERROR;
2190 // use size (given) to find max (required)
2191 *max_address += *min_address;
2192 }
2193
2194 if (*min_address > *max_address)
2195 return ERROR_COMMAND_SYNTAX_ERROR;
2196
2197 return ERROR_OK;
2198 }
2199
2200 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2201 {
2202 uint8_t *buffer;
2203 uint32_t buf_cnt;
2204 uint32_t image_size;
2205 uint32_t min_address = 0;
2206 uint32_t max_address = 0xffffffff;
2207 int i;
2208 int retvaltemp;
2209
2210 image_t image;
2211
2212 duration_t duration;
2213 char *duration_text;
2214
2215 int retval = parse_load_image_command_args(args, argc,
2216 &image, &min_address, &max_address);
2217 if (ERROR_OK != retval)
2218 return retval;
2219
2220 target_t *target = get_current_target(cmd_ctx);
2221 duration_start_measure(&duration);
2222
2223 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2224 {
2225 return ERROR_OK;
2226 }
2227
2228 image_size = 0x0;
2229 retval = ERROR_OK;
2230 for (i = 0; i < image.num_sections; i++)
2231 {
2232 buffer = malloc(image.sections[i].size);
2233 if (buffer == NULL)
2234 {
2235 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2236 break;
2237 }
2238
2239 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2240 {
2241 free(buffer);
2242 break;
2243 }
2244
2245 uint32_t offset=0;
2246 uint32_t length=buf_cnt;
2247
2248 /* DANGER!!! beware of unsigned comparision here!!! */
2249
2250 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
2251 (image.sections[i].base_address<max_address))
2252 {
2253 if (image.sections[i].base_address<min_address)
2254 {
2255 /* clip addresses below */
2256 offset+=min_address-image.sections[i].base_address;
2257 length-=offset;
2258 }
2259
2260 if (image.sections[i].base_address+buf_cnt>max_address)
2261 {
2262 length-=(image.sections[i].base_address+buf_cnt)-max_address;
2263 }
2264
2265 if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
2266 {
2267 free(buffer);
2268 break;
2269 }
2270 image_size += length;
2271 command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
2272 }
2273
2274 free(buffer);
2275 }
2276
2277 if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2278 {
2279 image_close(&image);
2280 return retvaltemp;
2281 }
2282
2283 if (retval==ERROR_OK)
2284 {
2285 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2286 }
2287 free(duration_text);
2288
2289 image_close(&image);
2290
2291 return retval;
2292
2293 }
2294
2295 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2296 {
2297 fileio_t fileio;
2298
2299 uint8_t buffer[560];
2300 int retvaltemp;
2301
2302 duration_t duration;
2303 char *duration_text;
2304
2305 target_t *target = get_current_target(cmd_ctx);
2306
2307 if (argc != 3)
2308 {
2309 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2310 return ERROR_OK;
2311 }
2312
2313 uint32_t address;
2314 int retval = parse_u32(args[1], &address);
2315 if (ERROR_OK != retval)
2316 return retval;
2317
2318 uint32_t size;
2319 retval = parse_u32(args[2], &size);
2320 if (ERROR_OK != retval)
2321 return retval;
2322
2323 if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2324 {
2325 return ERROR_OK;
2326 }
2327
2328 duration_start_measure(&duration);
2329
2330 while (size > 0)
2331 {
2332 uint32_t size_written;
2333 uint32_t this_run_size = (size > 560) ? 560 : size;
2334
2335 retval = target_read_buffer(target, address, this_run_size, buffer);
2336 if (retval != ERROR_OK)
2337 {
2338 break;
2339 }
2340
2341 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2342 if (retval != ERROR_OK)
2343 {
2344 break;
2345 }
2346
2347 size -= this_run_size;
2348 address += this_run_size;
2349 }
2350
2351 if((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2352 return retvaltemp;
2353
2354 if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2355 return retvaltemp;
2356
2357 if (retval==ERROR_OK)
2358 {
2359 command_print(cmd_ctx, "dumped %lld byte in %s",
2360 fileio.size, duration_text);
2361 free(duration_text);
2362 }
2363
2364 return retval;
2365 }
2366
2367 static int handle_verify_image_command_internal(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, int verify)
2368 {
2369 uint8_t *buffer;
2370 uint32_t buf_cnt;
2371 uint32_t image_size;
2372 int i;
2373 int retval, retvaltemp;
2374 uint32_t checksum = 0;
2375 uint32_t mem_checksum = 0;
2376
2377 image_t image;
2378
2379 duration_t duration;
2380 char *duration_text;
2381
2382 target_t *target = get_current_target(cmd_ctx);
2383
2384 if (argc < 1)
2385 {
2386 return ERROR_COMMAND_SYNTAX_ERROR;
2387 }
2388
2389 if (!target)
2390 {
2391 LOG_ERROR("no target selected");
2392 return ERROR_FAIL;
2393 }
2394
2395 duration_start_measure(&duration);
2396
2397 if (argc >= 2)
2398 {
2399 uint32_t addr;
2400 retval = parse_u32(args[1], &addr);
2401 if (ERROR_OK != retval)
2402 return ERROR_COMMAND_SYNTAX_ERROR;
2403 image.base_address = addr;
2404 image.base_address_set = 1;
2405 }
2406 else
2407 {
2408 image.base_address_set = 0;
2409 image.base_address = 0x0;
2410 }
2411
2412 image.start_address_set = 0;
2413
2414 if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2415 {
2416 return retval;
2417 }
2418
2419 image_size = 0x0;
2420 retval=ERROR_OK;
2421 for (i = 0; i < image.num_sections; i++)
2422 {
2423 buffer = malloc(image.sections[i].size);
2424 if (buffer == NULL)
2425 {
2426 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2427 break;
2428 }
2429 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2430 {
2431 free(buffer);
2432 break;
2433 }
2434
2435 if (verify)
2436 {
2437 /* calculate checksum of image */
2438 image_calculate_checksum( buffer, buf_cnt, &checksum );
2439
2440 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2441 if( retval != ERROR_OK )
2442 {
2443 free(buffer);
2444 break;
2445 }
2446
2447 if( checksum != mem_checksum )
2448 {
2449 /* failed crc checksum, fall back to a binary compare */
2450 uint8_t *data;
2451
2452 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2453
2454 data = (uint8_t*)malloc(buf_cnt);
2455
2456 /* Can we use 32bit word accesses? */
2457 int size = 1;
2458 int count = buf_cnt;
2459 if ((count % 4) == 0)
2460 {
2461 size *= 4;
2462 count /= 4;
2463 }
2464 retval = target_read_memory(target, image.sections[i].base_address, size, count, data);
2465 if (retval == ERROR_OK)
2466 {
2467 uint32_t t;
2468 for (t = 0; t < buf_cnt; t++)
2469 {
2470 if (data[t] != buffer[t])
2471 {
2472 command_print(cmd_ctx, "Verify operation failed address 0x%08x. Was 0x%02x instead of 0x%02x\n", t + image.sections[i].base_address, data[t], buffer[t]);
2473 free(data);
2474 free(buffer);
2475 retval=ERROR_FAIL;
2476 goto done;
2477 }
2478 if ((t%16384)==0)
2479 {
2480 keep_alive();
2481 }
2482 }
2483 }
2484
2485 free(data);
2486 }
2487 } else
2488 {
2489 command_print(cmd_ctx, "address 0x%08x length 0x%08x", image.sections[i].base_address, buf_cnt);
2490 }
2491
2492 free(buffer);
2493 image_size += buf_cnt;
2494 }
2495 done:
2496
2497 if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2498 {
2499 image_close(&image);
2500 return retvaltemp;
2501 }
2502
2503 if (retval==ERROR_OK)
2504 {
2505 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2506 }
2507 free(duration_text);
2508
2509 image_close(&image);
2510
2511 return retval;
2512 }
2513
2514 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2515 {
2516 return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 1);
2517 }
2518
2519 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2520 {
2521 return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 0);
2522 }
2523
2524 static int handle_bp_command_list(struct command_context_s *cmd_ctx)
2525 {
2526 target_t *target = get_current_target(cmd_ctx);
2527 breakpoint_t *breakpoint = target->breakpoints;
2528 while (breakpoint)
2529 {
2530 if (breakpoint->type == BKPT_SOFT)
2531 {
2532 char* buf = buf_to_str(breakpoint->orig_instr,
2533 breakpoint->length, 16);
2534 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s",
2535 breakpoint->address, breakpoint->length,
2536 breakpoint->set, buf);
2537 free(buf);
2538 }
2539 else
2540 {
2541 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i",
2542 breakpoint->address, breakpoint->length, breakpoint->set);
2543 }
2544
2545 breakpoint = breakpoint->next;
2546 }
2547 return ERROR_OK;
2548 }
2549
2550 static int handle_bp_command_set(struct command_context_s *cmd_ctx,
2551 uint32_t addr, uint32_t length, int hw)
2552 {
2553 target_t *target = get_current_target(cmd_ctx);
2554 int retval = breakpoint_add(target, addr, length, hw);
2555 if (ERROR_OK == retval)
2556 command_print(cmd_ctx, "breakpoint set at 0x%8.8x", addr);
2557 else
2558 LOG_ERROR("Failure setting breakpoint");
2559 return retval;
2560 }
2561
2562 static int handle_bp_command(struct command_context_s *cmd_ctx,
2563 char *cmd, char **args, int argc)
2564 {
2565 if (argc == 0)
2566 return handle_bp_command_list(cmd_ctx);
2567
2568 if (argc < 2 || argc > 3)
2569 {
2570 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2571 return ERROR_COMMAND_SYNTAX_ERROR;
2572 }
2573
2574 uint32_t addr;
2575 int retval = parse_u32(args[0], &addr);
2576 if (ERROR_OK != retval)
2577 return retval;
2578
2579 uint32_t length;
2580 retval = parse_u32(args[1], &length);
2581 if (ERROR_OK != retval)
2582 return retval;
2583
2584 int hw = BKPT_SOFT;
2585 if (argc == 3)
2586 {
2587 if (strcmp(args[2], "hw") == 0)
2588 hw = BKPT_HARD;
2589 else
2590 return ERROR_COMMAND_SYNTAX_ERROR;
2591 }
2592
2593 return handle_bp_command_set(cmd_ctx, addr, length, hw);
2594 }
2595
2596 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2597 {
2598 if (argc != 1)
2599 return ERROR_COMMAND_SYNTAX_ERROR;
2600
2601 uint32_t addr;
2602 int retval = parse_u32(args[0], &addr);
2603 if (ERROR_OK != retval)
2604 return retval;
2605
2606 target_t *target = get_current_target(cmd_ctx);
2607 breakpoint_remove(target, addr);
2608
2609 return ERROR_OK;
2610 }
2611
2612 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2613 {
2614 target_t *target = get_current_target(cmd_ctx);
2615
2616 if (argc == 0)
2617 {
2618 watchpoint_t *watchpoint = target->watchpoints;
2619
2620 while (watchpoint)
2621 {
2622 command_print(cmd_ctx, "address: 0x%8.8x, len: 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);
2623 watchpoint = watchpoint->next;
2624 }
2625 return ERROR_OK;
2626 }
2627
2628 enum watchpoint_rw type = WPT_ACCESS;
2629 uint32_t addr = 0;
2630 uint32_t length = 0;
2631 uint32_t data_value = 0x0;
2632 uint32_t data_mask = 0xffffffff;
2633 int retval;
2634
2635 switch (argc)
2636 {
2637 case 5:
2638 retval = parse_u32(args[4], &data_mask);
2639 if (ERROR_OK != retval)
2640 return retval;
2641 // fall through
2642 case 4:
2643 retval = parse_u32(args[3], &data_value);
2644 if (ERROR_OK != retval)
2645 return retval;
2646 // fall through
2647 case 3:
2648 switch(args[2][0])
2649 {
2650 case 'r':
2651 type = WPT_READ;
2652 break;
2653 case 'w':
2654 type = WPT_WRITE;
2655 break;
2656 case 'a':
2657 type = WPT_ACCESS;
2658 break;
2659 default:
2660 LOG_ERROR("invalid watchpoint mode ('%c')", args[2][0]);
2661 return ERROR_COMMAND_SYNTAX_ERROR;
2662 }
2663 // fall through
2664 case 2:
2665 retval = parse_u32(args[1], &length);
2666 if (ERROR_OK != retval)
2667 return retval;
2668 retval = parse_u32(args[0], &addr);
2669 if (ERROR_OK != retval)
2670 return retval;
2671 break;
2672
2673 default:
2674 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2675 return ERROR_COMMAND_SYNTAX_ERROR;
2676 }
2677
2678 retval = watchpoint_add(target, addr, length, type,
2679 data_value, data_mask);
2680 if (ERROR_OK != retval)
2681 LOG_ERROR("Failure setting watchpoints");
2682
2683 return retval;
2684 }
2685
2686 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2687 {
2688 if (argc != 1)
2689 return ERROR_COMMAND_SYNTAX_ERROR;
2690
2691 uint32_t addr;
2692 int retval = parse_u32(args[0], &addr);
2693 if (ERROR_OK != retval)
2694 return retval;
2695
2696 target_t *target = get_current_target(cmd_ctx);
2697 watchpoint_remove(target, addr);
2698
2699 return ERROR_OK;
2700 }
2701
2702
2703 /**
2704 * Translate a virtual address to a physical address.
2705 *
2706 * The low-level target implementation must have logged a detailed error
2707 * which is forwarded to telnet/GDB session.
2708 */
2709 static int handle_virt2phys_command(command_context_t *cmd_ctx,
2710 char *cmd, char **args, int argc)
2711 {
2712 if (argc != 1)
2713 return ERROR_COMMAND_SYNTAX_ERROR;
2714
2715 uint32_t va;
2716 int retval = parse_u32(args[0], &va);
2717 if (ERROR_OK != retval)
2718 return retval;
2719 uint32_t pa;
2720
2721 target_t *target = get_current_target(cmd_ctx);
2722 retval = target->type->virt2phys(target, va, &pa);
2723 if (retval == ERROR_OK)
2724 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2725
2726 return retval;
2727 }
2728
2729 static void writeData(FILE *f, const void *data, size_t len)
2730 {
2731 size_t written = fwrite(data, 1, len, f);
2732 if (written != len)
2733 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
2734 }
2735
2736 static void writeLong(FILE *f, int l)
2737 {
2738 int i;
2739 for (i=0; i<4; i++)
2740 {
2741 char c=(l>>(i*8))&0xff;
2742 writeData(f, &c, 1);
2743 }
2744
2745 }
2746
2747 static void writeString(FILE *f, char *s)
2748 {
2749 writeData(f, s, strlen(s));
2750 }
2751
2752 /* Dump a gmon.out histogram file. */
2753 static void writeGmon(uint32_t *samples, uint32_t sampleNum, char *filename)
2754 {
2755 uint32_t i;
2756 FILE *f=fopen(filename, "w");
2757 if (f==NULL)
2758 return;
2759 writeString(f, "gmon");
2760 writeLong(f, 0x00000001); /* Version */
2761 writeLong(f, 0); /* padding */
2762 writeLong(f, 0); /* padding */
2763 writeLong(f, 0); /* padding */
2764
2765 uint8_t zero = 0; /* GMON_TAG_TIME_HIST */
2766 writeData(f, &zero, 1);
2767
2768 /* figure out bucket size */
2769 uint32_t min=samples[0];
2770 uint32_t max=samples[0];
2771 for (i=0; i<sampleNum; i++)
2772 {
2773 if (min>samples[i])
2774 {
2775 min=samples[i];
2776 }
2777 if (max<samples[i])
2778 {
2779 max=samples[i];
2780 }
2781 }
2782
2783 int addressSpace=(max-min+1);
2784
2785 static const uint32_t maxBuckets = 256 * 1024; /* maximum buckets. */
2786 uint32_t length = addressSpace;
2787 if (length > maxBuckets)
2788 {
2789 length=maxBuckets;
2790 }
2791 int *buckets=malloc(sizeof(int)*length);
2792 if (buckets==NULL)
2793 {
2794 fclose(f);
2795 return;
2796 }
2797 memset(buckets, 0, sizeof(int)*length);
2798 for (i=0; i<sampleNum;i++)
2799 {
2800 uint32_t address=samples[i];
2801 long long a=address-min;
2802 long long b=length-1;
2803 long long c=addressSpace-1;
2804 int index=(a*b)/c; /* danger!!!! int32 overflows */
2805 buckets[index]++;
2806 }
2807
2808 /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
2809 writeLong(f, min); /* low_pc */
2810 writeLong(f, max); /* high_pc */
2811 writeLong(f, length); /* # of samples */
2812 writeLong(f, 64000000); /* 64MHz */
2813 writeString(f, "seconds");
2814 for (i=0; i<(15-strlen("seconds")); i++)
2815 writeData(f, &zero, 1);
2816 writeString(f, "s");
2817
2818 /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
2819
2820 char *data=malloc(2*length);
2821 if (data!=NULL)
2822 {
2823 for (i=0; i<length;i++)
2824 {
2825 int val;
2826 val=buckets[i];
2827 if (val>65535)
2828 {
2829 val=65535;
2830 }
2831 data[i*2]=val&0xff;
2832 data[i*2+1]=(val>>8)&0xff;
2833 }
2834 free(buckets);
2835 writeData(f, data, length * 2);
2836 free(data);
2837 } else
2838 {
2839 free(buckets);
2840 }
2841
2842 fclose(f);
2843 }
2844
2845 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2846 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2847 {
2848 target_t *target = get_current_target(cmd_ctx);
2849 struct timeval timeout, now;
2850
2851 gettimeofday(&timeout, NULL);
2852 if (argc!=2)
2853 {
2854 return ERROR_COMMAND_SYNTAX_ERROR;
2855 }
2856 unsigned offset;
2857 int retval = parse_uint(args[0], &offset);
2858 if (ERROR_OK != retval)
2859 return retval;
2860
2861 timeval_add_time(&timeout, offset, 0);
2862
2863 command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2864
2865 static const int maxSample=10000;
2866 uint32_t *samples=malloc(sizeof(uint32_t)*maxSample);
2867 if (samples==NULL)
2868 return ERROR_OK;
2869
2870 int numSamples=0;
2871 /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
2872 reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2873
2874 for (;;)
2875 {
2876 target_poll(target);
2877 if (target->state == TARGET_HALTED)
2878 {
2879 uint32_t t=*((uint32_t *)reg->value);
2880 samples[numSamples++]=t;
2881 retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2882 target_poll(target);
2883 alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
2884 } else if (target->state == TARGET_RUNNING)
2885 {
2886 /* We want to quickly sample the PC. */
2887 if((retval = target_halt(target)) != ERROR_OK)
2888 {
2889 free(samples);
2890 return retval;
2891 }
2892 } else
2893 {
2894 command_print(cmd_ctx, "Target not halted or running");
2895 retval=ERROR_OK;
2896 break;
2897 }
2898 if (retval!=ERROR_OK)
2899 {
2900 break;
2901 }
2902
2903 gettimeofday(&now, NULL);
2904 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2905 {
2906 command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2907 if((retval = target_poll(target)) != ERROR_OK)
2908 {
2909 free(samples);
2910 return retval;
2911 }
2912 if (target->state == TARGET_HALTED)
2913 {
2914 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2915 }
2916 if((retval = target_poll(target)) != ERROR_OK)
2917 {
2918 free(samples);
2919 return retval;
2920 }
2921 writeGmon(samples, numSamples, args[1]);
2922 command_print(cmd_ctx, "Wrote %s", args[1]);
2923 break;
2924 }
2925 }
2926 free(samples);
2927
2928 return ERROR_OK;
2929 }
2930
2931 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t val)
2932 {
2933 char *namebuf;
2934 Jim_Obj *nameObjPtr, *valObjPtr;
2935 int result;
2936
2937 namebuf = alloc_printf("%s(%d)", varname, idx);
2938 if (!namebuf)
2939 return JIM_ERR;
2940
2941 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2942 valObjPtr = Jim_NewIntObj(interp, val);
2943 if (!nameObjPtr || !valObjPtr)
2944 {
2945 free(namebuf);
2946 return JIM_ERR;
2947 }
2948
2949 Jim_IncrRefCount(nameObjPtr);
2950 Jim_IncrRefCount(valObjPtr);
2951 result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2952 Jim_DecrRefCount(interp, nameObjPtr);
2953 Jim_DecrRefCount(interp, valObjPtr);
2954 free(namebuf);
2955 /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2956 return result;
2957 }
2958
2959 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2960 {
2961 command_context_t *context;
2962 target_t *target;
2963
2964 context = Jim_GetAssocData(interp, "context");
2965 if (context == NULL)
2966 {
2967 LOG_ERROR("mem2array: no command context");
2968 return JIM_ERR;
2969 }
2970 target = get_current_target(context);
2971 if (target == NULL)
2972 {
2973 LOG_ERROR("mem2array: no current target");
2974 return JIM_ERR;
2975 }
2976
2977 return target_mem2array(interp, target, argc-1, argv+1);
2978 }
2979
2980 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2981 {
2982 long l;
2983 uint32_t width;
2984 int len;
2985 uint32_t addr;
2986 uint32_t count;
2987 uint32_t v;
2988 const char *varname;
2989 uint8_t buffer[4096];
2990 int n, e, retval;
2991 uint32_t i;
2992
2993 /* argv[1] = name of array to receive the data
2994 * argv[2] = desired width
2995 * argv[3] = memory address
2996 * argv[4] = count of times to read
2997 */
2998 if (argc != 4) {
2999 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3000 return JIM_ERR;
3001 }
3002 varname = Jim_GetString(argv[0], &len);
3003 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3004
3005 e = Jim_GetLong(interp, argv[1], &l);
3006 width = l;
3007 if (e != JIM_OK) {
3008 return e;
3009 }
3010
3011 e = Jim_GetLong(interp, argv[2], &l);
3012 addr = l;
3013 if (e != JIM_OK) {
3014 return e;
3015 }
3016 e = Jim_GetLong(interp, argv[3], &l);
3017 len = l;
3018 if (e != JIM_OK) {
3019 return e;
3020 }
3021 switch (width) {
3022 case 8:
3023 width = 1;
3024 break;
3025 case 16:
3026 width = 2;
3027 break;
3028 case 32:
3029 width = 4;
3030 break;
3031 default:
3032 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3033 Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
3034 return JIM_ERR;
3035 }
3036 if (len == 0) {
3037 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3038 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
3039 return JIM_ERR;
3040 }
3041 if ((addr + (len * width)) < addr) {
3042 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3043 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
3044 return JIM_ERR;
3045 }
3046 /* absurd transfer size? */
3047 if (len > 65536) {
3048 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3049 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
3050 return JIM_ERR;
3051 }
3052
3053 if ((width == 1) ||
3054 ((width == 2) && ((addr & 1) == 0)) ||
3055 ((width == 4) && ((addr & 3) == 0))) {
3056 /* all is well */
3057 } else {
3058 char buf[100];
3059 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3060 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
3061 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3062 return JIM_ERR;
3063 }
3064
3065 /* Transfer loop */
3066
3067 /* index counter */
3068 n = 0;
3069 /* assume ok */
3070 e = JIM_OK;
3071 while (len) {
3072 /* Slurp... in buffer size chunks */
3073
3074 count = len; /* in objects.. */
3075 if (count > (sizeof(buffer)/width)) {
3076 count = (sizeof(buffer)/width);
3077 }
3078
3079 retval = target_read_memory( target, addr, width, count, buffer );
3080 if (retval != ERROR_OK) {
3081 /* BOO !*/
3082 LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
3083 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3084 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
3085 e = JIM_ERR;
3086 len = 0;
3087 } else {
3088 v = 0; /* shut up gcc */
3089 for (i = 0 ;i < count ;i++, n++) {
3090 switch (width) {
3091 case 4:
3092 v = target_buffer_get_u32(target, &buffer[i*width]);
3093 break;
3094 case 2:
3095 v = target_buffer_get_u16(target, &buffer[i*width]);
3096 break;
3097 case 1:
3098 v = buffer[i] & 0x0ff;
3099 break;
3100 }
3101 new_int_array_element(interp, varname, n, v);
3102 }
3103 len -= count;
3104 }
3105 }
3106
3107 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3108
3109 return JIM_OK;
3110 }
3111
3112 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t *val)
3113 {
3114 char *namebuf;
3115 Jim_Obj *nameObjPtr, *valObjPtr;
3116 int result;
3117 long l;
3118
3119 namebuf = alloc_printf("%s(%d)", varname, idx);
3120 if (!namebuf)
3121 return JIM_ERR;
3122
3123 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3124 if (!nameObjPtr)
3125 {
3126 free(namebuf);
3127 return JIM_ERR;
3128 }
3129
3130 Jim_IncrRefCount(nameObjPtr);
3131 valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
3132 Jim_DecrRefCount(interp, nameObjPtr);
3133 free(namebuf);
3134 if (valObjPtr == NULL)
3135 return JIM_ERR;
3136
313