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cortex_a8: add mrc mcr interface.
[openocd.git] / src / target / target.c
blob55fc2c8237ead31961d1a83aa5583bbcb2e5aeb9
1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
4 * *
5 * Copyright (C) 2007-2009 Øyvind 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_mcrmrc(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
73 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
74 static int jim_target(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
75
76 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
77 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
78
79 /* targets */
80 extern target_type_t arm7tdmi_target;
81 extern target_type_t arm720t_target;
82 extern target_type_t arm9tdmi_target;
83 extern target_type_t arm920t_target;
84 extern target_type_t arm966e_target;
85 extern target_type_t arm926ejs_target;
86 extern target_type_t fa526_target;
87 extern target_type_t feroceon_target;
88 extern target_type_t dragonite_target;
89 extern target_type_t xscale_target;
90 extern target_type_t cortexm3_target;
91 extern target_type_t cortexa8_target;
92 extern target_type_t arm11_target;
93 extern target_type_t mips_m4k_target;
94 extern target_type_t avr_target;
95
96 target_type_t *target_types[] =
97 {
98 &arm7tdmi_target,
99 &arm9tdmi_target,
100 &arm920t_target,
101 &arm720t_target,
102 &arm966e_target,
103 &arm926ejs_target,
104 &fa526_target,
105 &feroceon_target,
106 &dragonite_target,
107 &xscale_target,
108 &cortexm3_target,
109 &cortexa8_target,
110 &arm11_target,
111 &mips_m4k_target,
112 &avr_target,
113 NULL,
114 };
115
116 target_t *all_targets = NULL;
117 target_event_callback_t *target_event_callbacks = NULL;
118 target_timer_callback_t *target_timer_callbacks = NULL;
119
120 const Jim_Nvp nvp_assert[] = {
121 { .name = "assert", NVP_ASSERT },
122 { .name = "deassert", NVP_DEASSERT },
123 { .name = "T", NVP_ASSERT },
124 { .name = "F", NVP_DEASSERT },
125 { .name = "t", NVP_ASSERT },
126 { .name = "f", NVP_DEASSERT },
127 { .name = NULL, .value = -1 }
128 };
129
130 const Jim_Nvp nvp_error_target[] = {
131 { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
132 { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
133 { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
134 { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
135 { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
136 { .value = ERROR_TARGET_UNALIGNED_ACCESS , .name = "err-unaligned-access" },
137 { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
138 { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
139 { .value = ERROR_TARGET_TRANSLATION_FAULT , .name = "err-translation-fault" },
140 { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
141 { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
142 { .value = -1, .name = NULL }
143 };
144
145 const char *target_strerror_safe(int err)
146 {
147 const Jim_Nvp *n;
148
149 n = Jim_Nvp_value2name_simple(nvp_error_target, err);
150 if (n->name == NULL) {
151 return "unknown";
152 } else {
153 return n->name;
154 }
155 }
156
157 static const Jim_Nvp nvp_target_event[] = {
158 { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
159 { .value = TARGET_EVENT_OLD_pre_resume , .name = "old-pre_resume" },
160
161 { .value = TARGET_EVENT_GDB_HALT, .name = "gdb-halt" },
162 { .value = TARGET_EVENT_HALTED, .name = "halted" },
163 { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
164 { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
165 { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
166
167 { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
168 { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
169
170 /* historical name */
171
172 { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
173
174 { .value = TARGET_EVENT_RESET_ASSERT_PRE, .name = "reset-assert-pre" },
175 { .value = TARGET_EVENT_RESET_ASSERT_POST, .name = "reset-assert-post" },
176 { .value = TARGET_EVENT_RESET_DEASSERT_PRE, .name = "reset-deassert-pre" },
177 { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
178 { .value = TARGET_EVENT_RESET_HALT_PRE, .name = "reset-halt-pre" },
179 { .value = TARGET_EVENT_RESET_HALT_POST, .name = "reset-halt-post" },
180 { .value = TARGET_EVENT_RESET_WAIT_PRE, .name = "reset-wait-pre" },
181 { .value = TARGET_EVENT_RESET_WAIT_POST, .name = "reset-wait-post" },
182 { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
183 { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
184
185 { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
186 { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
187
188 { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
189 { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
190
191 { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
192 { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
193
194 { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
195 { .value = TARGET_EVENT_GDB_FLASH_WRITE_END , .name = "gdb-flash-write-end" },
196
197 { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
198 { .value = TARGET_EVENT_GDB_FLASH_ERASE_END , .name = "gdb-flash-erase-end" },
199
200 { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
201 { .value = TARGET_EVENT_RESUMED , .name = "resume-ok" },
202 { .value = TARGET_EVENT_RESUME_END , .name = "resume-end" },
203
204 { .name = NULL, .value = -1 }
205 };
206
207 const Jim_Nvp nvp_target_state[] = {
208 { .name = "unknown", .value = TARGET_UNKNOWN },
209 { .name = "running", .value = TARGET_RUNNING },
210 { .name = "halted", .value = TARGET_HALTED },
211 { .name = "reset", .value = TARGET_RESET },
212 { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
213 { .name = NULL, .value = -1 },
214 };
215
216 const Jim_Nvp nvp_target_debug_reason [] = {
217 { .name = "debug-request" , .value = DBG_REASON_DBGRQ },
218 { .name = "breakpoint" , .value = DBG_REASON_BREAKPOINT },
219 { .name = "watchpoint" , .value = DBG_REASON_WATCHPOINT },
220 { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
221 { .name = "single-step" , .value = DBG_REASON_SINGLESTEP },
222 { .name = "target-not-halted" , .value = DBG_REASON_NOTHALTED },
223 { .name = "undefined" , .value = DBG_REASON_UNDEFINED },
224 { .name = NULL, .value = -1 },
225 };
226
227 const Jim_Nvp nvp_target_endian[] = {
228 { .name = "big", .value = TARGET_BIG_ENDIAN },
229 { .name = "little", .value = TARGET_LITTLE_ENDIAN },
230 { .name = "be", .value = TARGET_BIG_ENDIAN },
231 { .name = "le", .value = TARGET_LITTLE_ENDIAN },
232 { .name = NULL, .value = -1 },
233 };
234
235 const Jim_Nvp nvp_reset_modes[] = {
236 { .name = "unknown", .value = RESET_UNKNOWN },
237 { .name = "run" , .value = RESET_RUN },
238 { .name = "halt" , .value = RESET_HALT },
239 { .name = "init" , .value = RESET_INIT },
240 { .name = NULL , .value = -1 },
241 };
242
243 const char *
244 target_state_name( target_t *t )
245 {
246 const char *cp;
247 cp = Jim_Nvp_value2name_simple(nvp_target_state, t->state)->name;
248 if( !cp ){
249 LOG_ERROR("Invalid target state: %d", (int)(t->state));
250 cp = "(*BUG*unknown*BUG*)";
251 }
252 return cp;
253 }
254
255 /* determine the number of the new target */
256 static int new_target_number(void)
257 {
258 target_t *t;
259 int x;
260
261 /* number is 0 based */
262 x = -1;
263 t = all_targets;
264 while (t) {
265 if (x < t->target_number) {
266 x = t->target_number;
267 }
268 t = t->next;
269 }
270 return x + 1;
271 }
272
273 /* read a uint32_t from a buffer in target memory endianness */
274 uint32_t target_buffer_get_u32(target_t *target, const uint8_t *buffer)
275 {
276 if (target->endianness == TARGET_LITTLE_ENDIAN)
277 return le_to_h_u32(buffer);
278 else
279 return be_to_h_u32(buffer);
280 }
281
282 /* read a uint16_t from a buffer in target memory endianness */
283 uint16_t target_buffer_get_u16(target_t *target, const uint8_t *buffer)
284 {
285 if (target->endianness == TARGET_LITTLE_ENDIAN)
286 return le_to_h_u16(buffer);
287 else
288 return be_to_h_u16(buffer);
289 }
290
291 /* read a uint8_t from a buffer in target memory endianness */
292 uint8_t target_buffer_get_u8(target_t *target, const uint8_t *buffer)
293 {
294 return *buffer & 0x0ff;
295 }
296
297 /* write a uint32_t to a buffer in target memory endianness */
298 void target_buffer_set_u32(target_t *target, uint8_t *buffer, uint32_t value)
299 {
300 if (target->endianness == TARGET_LITTLE_ENDIAN)
301 h_u32_to_le(buffer, value);
302 else
303 h_u32_to_be(buffer, value);
304 }
305
306 /* write a uint16_t to a buffer in target memory endianness */
307 void target_buffer_set_u16(target_t *target, uint8_t *buffer, uint16_t value)
308 {
309 if (target->endianness == TARGET_LITTLE_ENDIAN)
310 h_u16_to_le(buffer, value);
311 else
312 h_u16_to_be(buffer, value);
313 }
314
315 /* write a uint8_t to a buffer in target memory endianness */
316 void target_buffer_set_u8(target_t *target, uint8_t *buffer, uint8_t value)
317 {
318 *buffer = value;
319 }
320
321 /* return a pointer to a configured target; id is name or number */
322 target_t *get_target(const char *id)
323 {
324 target_t *target;
325
326 /* try as tcltarget name */
327 for (target = all_targets; target; target = target->next) {
328 if (target->cmd_name == NULL)
329 continue;
330 if (strcmp(id, target->cmd_name) == 0)
331 return target;
332 }
333
334 /* It's OK to remove this fallback sometime after August 2010 or so */
335
336 /* no match, try as number */
337 unsigned num;
338 if (parse_uint(id, &num) != ERROR_OK)
339 return NULL;
340
341 for (target = all_targets; target; target = target->next) {
342 if (target->target_number == (int)num) {
343 LOG_WARNING("use '%s' as target identifier, not '%u'",
344 target->cmd_name, num);
345 return target;
346 }
347 }
348
349 return NULL;
350 }
351
352 /* returns a pointer to the n-th configured target */
353 static target_t *get_target_by_num(int num)
354 {
355 target_t *target = all_targets;
356
357 while (target) {
358 if (target->target_number == num) {
359 return target;
360 }
361 target = target->next;
362 }
363
364 return NULL;
365 }
366
367 target_t* get_current_target(command_context_t *cmd_ctx)
368 {
369 target_t *target = get_target_by_num(cmd_ctx->current_target);
370
371 if (target == NULL)
372 {
373 LOG_ERROR("BUG: current_target out of bounds");
374 exit(-1);
375 }
376
377 return target;
378 }
379
380 int target_poll(struct target_s *target)
381 {
382 int retval;
383
384 /* We can't poll until after examine */
385 if (!target_was_examined(target))
386 {
387 /* Fail silently lest we pollute the log */
388 return ERROR_FAIL;
389 }
390
391 retval = target->type->poll(target);
392 if (retval != ERROR_OK)
393 return retval;
394
395 if (target->halt_issued)
396 {
397 if (target->state == TARGET_HALTED)
398 {
399 target->halt_issued = false;
400 } else
401 {
402 long long t = timeval_ms() - target->halt_issued_time;
403 if (t>1000)
404 {
405 target->halt_issued = false;
406 LOG_INFO("Halt timed out, wake up GDB.");
407 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
408 }
409 }
410 }
411
412 return ERROR_OK;
413 }
414
415 int target_halt(struct target_s *target)
416 {
417 int retval;
418 /* We can't poll until after examine */
419 if (!target_was_examined(target))
420 {
421 LOG_ERROR("Target not examined yet");
422 return ERROR_FAIL;
423 }
424
425 retval = target->type->halt(target);
426 if (retval != ERROR_OK)
427 return retval;
428
429 target->halt_issued = true;
430 target->halt_issued_time = timeval_ms();
431
432 return ERROR_OK;
433 }
434
435 int target_resume(struct target_s *target, int current, uint32_t address, int handle_breakpoints, int debug_execution)
436 {
437 int retval;
438
439 /* We can't poll until after examine */
440 if (!target_was_examined(target))
441 {
442 LOG_ERROR("Target not examined yet");
443 return ERROR_FAIL;
444 }
445
446 /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
447 * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
448 * the application.
449 */
450 if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
451 return retval;
452
453 return retval;
454 }
455
456 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
457 {
458 char buf[100];
459 int retval;
460 Jim_Nvp *n;
461 n = Jim_Nvp_value2name_simple(nvp_reset_modes, reset_mode);
462 if (n->name == NULL) {
463 LOG_ERROR("invalid reset mode");
464 return ERROR_FAIL;
465 }
466
467 /* disable polling during reset to make reset event scripts
468 * more predictable, i.e. dr/irscan & pathmove in events will
469 * not have JTAG operations injected into the middle of a sequence.
470 */
471 bool save_poll = jtag_poll_get_enabled();
472
473 jtag_poll_set_enabled(false);
474
475 sprintf(buf, "ocd_process_reset %s", n->name);
476 retval = Jim_Eval(interp, buf);
477
478 jtag_poll_set_enabled(save_poll);
479
480 if (retval != JIM_OK) {
481 Jim_PrintErrorMessage(interp);
482 return ERROR_FAIL;
483 }
484
485 /* We want any events to be processed before the prompt */
486 retval = target_call_timer_callbacks_now();
487
488 return retval;
489 }
490
491 static int default_virt2phys(struct target_s *target, uint32_t virtual, uint32_t *physical)
492 {
493 *physical = virtual;
494 return ERROR_OK;
495 }
496
497 static int default_mmu(struct target_s *target, int *enabled)
498 {
499 LOG_ERROR("Not implemented.");
500 return ERROR_FAIL;
501 }
502
503 static int default_has_mmu(struct target_s *target, bool *has_mmu)
504 {
505 *has_mmu = true;
506 return ERROR_OK;
507 }
508
509 static int default_examine(struct target_s *target)
510 {
511 target_set_examined(target);
512 return ERROR_OK;
513 }
514
515 int target_examine_one(struct target_s *target)
516 {
517 return target->type->examine(target);
518 }
519
520 static int jtag_enable_callback(enum jtag_event event, void *priv)
521 {
522 target_t *target = priv;
523
524 if (event != JTAG_TAP_EVENT_ENABLE || !target->tap->enabled)
525 return ERROR_OK;
526
527 jtag_unregister_event_callback(jtag_enable_callback, target);
528 return target_examine_one(target);
529 }
530
531
532 /* Targets that correctly implement init + examine, i.e.
533 * no communication with target during init:
534 *
535 * XScale
536 */
537 int target_examine(void)
538 {
539 int retval = ERROR_OK;
540 target_t *target;
541
542 for (target = all_targets; target; target = target->next)
543 {
544 /* defer examination, but don't skip it */
545 if (!target->tap->enabled) {
546 jtag_register_event_callback(jtag_enable_callback,
547 target);
548 continue;
549 }
550 if ((retval = target_examine_one(target)) != ERROR_OK)
551 return retval;
552 }
553 return retval;
554 }
555 const char *target_get_name(struct target_s *target)
556 {
557 return target->type->name;
558 }
559
560 static int target_write_memory_imp(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
561 {
562 if (!target_was_examined(target))
563 {
564 LOG_ERROR("Target not examined yet");
565 return ERROR_FAIL;
566 }
567 return target->type->write_memory_imp(target, address, size, count, buffer);
568 }
569
570 static int target_read_memory_imp(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
571 {
572 if (!target_was_examined(target))
573 {
574 LOG_ERROR("Target not examined yet");
575 return ERROR_FAIL;
576 }
577 return target->type->read_memory_imp(target, address, size, count, buffer);
578 }
579
580 static int target_soft_reset_halt_imp(struct target_s *target)
581 {
582 if (!target_was_examined(target))
583 {
584 LOG_ERROR("Target not examined yet");
585 return ERROR_FAIL;
586 }
587 if (!target->type->soft_reset_halt_imp) {
588 LOG_ERROR("Target %s does not support soft_reset_halt",
589 target->cmd_name);
590 return ERROR_FAIL;
591 }
592 return target->type->soft_reset_halt_imp(target);
593 }
594
595 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)
596 {
597 if (!target_was_examined(target))
598 {
599 LOG_ERROR("Target not examined yet");
600 return ERROR_FAIL;
601 }
602 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);
603 }
604
605 int target_read_memory(struct target_s *target,
606 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
607 {
608 return target->type->read_memory(target, address, size, count, buffer);
609 }
610
611 int target_read_phys_memory(struct target_s *target,
612 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
613 {
614 return target->type->read_phys_memory(target, address, size, count, buffer);
615 }
616
617 int target_write_memory(struct target_s *target,
618 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
619 {
620 return target->type->write_memory(target, address, size, count, buffer);
621 }
622
623 int target_write_phys_memory(struct target_s *target,
624 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
625 {
626 return target->type->write_phys_memory(target, address, size, count, buffer);
627 }
628
629 int target_bulk_write_memory(struct target_s *target,
630 uint32_t address, uint32_t count, uint8_t *buffer)
631 {
632 return target->type->bulk_write_memory(target, address, count, buffer);
633 }
634
635 int target_add_breakpoint(struct target_s *target,
636 struct breakpoint_s *breakpoint)
637 {
638 return target->type->add_breakpoint(target, breakpoint);
639 }
640 int target_remove_breakpoint(struct target_s *target,
641 struct breakpoint_s *breakpoint)
642 {
643 return target->type->remove_breakpoint(target, breakpoint);
644 }
645
646 int target_add_watchpoint(struct target_s *target,
647 struct watchpoint_s *watchpoint)
648 {
649 return target->type->add_watchpoint(target, watchpoint);
650 }
651 int target_remove_watchpoint(struct target_s *target,
652 struct watchpoint_s *watchpoint)
653 {
654 return target->type->remove_watchpoint(target, watchpoint);
655 }
656
657 int target_get_gdb_reg_list(struct target_s *target,
658 struct reg_s **reg_list[], int *reg_list_size)
659 {
660 return target->type->get_gdb_reg_list(target, reg_list, reg_list_size);
661 }
662 int target_step(struct target_s *target,
663 int current, uint32_t address, int handle_breakpoints)
664 {
665 return target->type->step(target, current, address, handle_breakpoints);
666 }
667
668
669 int target_run_algorithm(struct target_s *target,
670 int num_mem_params, mem_param_t *mem_params,
671 int num_reg_params, reg_param_t *reg_param,
672 uint32_t entry_point, uint32_t exit_point,
673 int timeout_ms, void *arch_info)
674 {
675 return target->type->run_algorithm(target,
676 num_mem_params, mem_params, num_reg_params, reg_param,
677 entry_point, exit_point, timeout_ms, arch_info);
678 }
679
680 /// @returns @c true if the target has been examined.
681 bool target_was_examined(struct target_s *target)
682 {
683 return target->type->examined;
684 }
685 /// Sets the @c examined flag for the given target.
686 void target_set_examined(struct target_s *target)
687 {
688 target->type->examined = true;
689 }
690 // Reset the @c examined flag for the given target.
691 void target_reset_examined(struct target_s *target)
692 {
693 target->type->examined = false;
694 }
695
696
697
698 static int default_mrc(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t *value)
699 {
700 LOG_ERROR("Not implemented");
701 return ERROR_FAIL;
702 }
703
704 static int default_mcr(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t value)
705 {
706 LOG_ERROR("Not implemented");
707 return ERROR_FAIL;
708 }
709
710 static int arm_cp_check(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm)
711 {
712 /* basic check */
713 if (!target_was_examined(target))
714 {
715 LOG_ERROR("Target not examined yet");
716 return ERROR_FAIL;
717 }
718
719 if ((cpnum <0) || (cpnum > 15))
720 {
721 LOG_ERROR("Illegal co-processor %d", cpnum);
722 return ERROR_FAIL;
723 }
724
725 return ERROR_OK;
726 }
727
728 int target_mrc(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t *value)
729 {
730 int retval;
731
732 retval = arm_cp_check(target, cpnum, op1, op2, CRn, CRm);
733 if (retval != ERROR_OK)
734 return retval;
735
736 return target->type->mrc(target, cpnum, op1, op2, CRn, CRm, value);
737 }
738
739 int target_mcr(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t value)
740 {
741 int retval;
742
743 retval = arm_cp_check(target, cpnum, op1, op2, CRn, CRm);
744 if (retval != ERROR_OK)
745 return retval;
746
747 return target->type->mcr(target, cpnum, op1, op2, CRn, CRm, value);
748 }
749
750 static int default_read_phys_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
751 {
752 int retval;
753 bool mmu;
754 retval = target->type->has_mmu(target, &mmu);
755 if (retval != ERROR_OK)
756 return retval;
757 if (mmu)
758 {
759 LOG_ERROR("Not implemented");
760 return ERROR_FAIL;
761 }
762 return target_read_memory(target, address, size, count, buffer);
763 }
764
765 static int default_write_phys_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
766 {
767 int retval;
768 bool mmu;
769 retval = target->type->has_mmu(target, &mmu);
770 if (retval != ERROR_OK)
771 return retval;
772 if (mmu)
773 {
774 LOG_ERROR("Not implemented");
775 return ERROR_FAIL;
776 }
777 return target_write_memory(target, address, size, count, buffer);
778 }
779
780
781 int target_init(struct command_context_s *cmd_ctx)
782 {
783 target_t *target = all_targets;
784 int retval;
785
786 while (target)
787 {
788 target_reset_examined(target);
789 if (target->type->examine == NULL)
790 {
791 target->type->examine = default_examine;
792 }
793
794 if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
795 {
796 LOG_ERROR("target '%s' init failed", target_get_name(target));
797 return retval;
798 }
799
800 /* Set up default functions if none are provided by target */
801 if (target->type->virt2phys == NULL)
802 {
803 target->type->virt2phys = default_virt2phys;
804 }
805
806 if (target->type->read_phys_memory == NULL)
807 {
808 target->type->read_phys_memory = default_read_phys_memory;
809 }
810
811 if (target->type->write_phys_memory == NULL)
812 {
813 target->type->write_phys_memory = default_write_phys_memory;
814 }
815
816 if (target->type->mcr == NULL)
817 {
818 target->type->mcr = default_mcr;
819 }
820
821 if (target->type->mrc == NULL)
822 {
823 target->type->mrc = default_mrc;
824 }
825
826
827 /* a non-invasive way(in terms of patches) to add some code that
828 * runs before the type->write/read_memory implementation
829 */
830 target->type->write_memory_imp = target->type->write_memory;
831 target->type->write_memory = target_write_memory_imp;
832 target->type->read_memory_imp = target->type->read_memory;
833 target->type->read_memory = target_read_memory_imp;
834 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
835 target->type->soft_reset_halt = target_soft_reset_halt_imp;
836 target->type->run_algorithm_imp = target->type->run_algorithm;
837 target->type->run_algorithm = target_run_algorithm_imp;
838
839 if (target->type->mmu == NULL)
840 {
841 target->type->mmu = default_mmu;
842 }
843 if (target->type->has_mmu == NULL)
844 {
845 target->type->has_mmu = default_has_mmu;
846 }
847 target = target->next;
848 }
849
850 if (all_targets)
851 {
852 if ((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
853 return retval;
854 if ((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
855 return retval;
856 }
857
858 return ERROR_OK;
859 }
860
861 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
862 {
863 target_event_callback_t **callbacks_p = &target_event_callbacks;
864
865 if (callback == NULL)
866 {
867 return ERROR_INVALID_ARGUMENTS;
868 }
869
870 if (*callbacks_p)
871 {
872 while ((*callbacks_p)->next)
873 callbacks_p = &((*callbacks_p)->next);
874 callbacks_p = &((*callbacks_p)->next);
875 }
876
877 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
878 (*callbacks_p)->callback = callback;
879 (*callbacks_p)->priv = priv;
880 (*callbacks_p)->next = NULL;
881
882 return ERROR_OK;
883 }
884
885 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
886 {
887 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
888 struct timeval now;
889
890 if (callback == NULL)
891 {
892 return ERROR_INVALID_ARGUMENTS;
893 }
894
895 if (*callbacks_p)
896 {
897 while ((*callbacks_p)->next)
898 callbacks_p = &((*callbacks_p)->next);
899 callbacks_p = &((*callbacks_p)->next);
900 }
901
902 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
903 (*callbacks_p)->callback = callback;
904 (*callbacks_p)->periodic = periodic;
905 (*callbacks_p)->time_ms = time_ms;
906
907 gettimeofday(&now, NULL);
908 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
909 time_ms -= (time_ms % 1000);
910 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
911 if ((*callbacks_p)->when.tv_usec > 1000000)
912 {
913 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
914 (*callbacks_p)->when.tv_sec += 1;
915 }
916
917 (*callbacks_p)->priv = priv;
918 (*callbacks_p)->next = NULL;
919
920 return ERROR_OK;
921 }
922
923 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
924 {
925 target_event_callback_t **p = &target_event_callbacks;
926 target_event_callback_t *c = target_event_callbacks;
927
928 if (callback == NULL)
929 {
930 return ERROR_INVALID_ARGUMENTS;
931 }
932
933 while (c)
934 {
935 target_event_callback_t *next = c->next;
936 if ((c->callback == callback) && (c->priv == priv))
937 {
938 *p = next;
939 free(c);
940 return ERROR_OK;
941 }
942 else
943 p = &(c->next);
944 c = next;
945 }
946
947 return ERROR_OK;
948 }
949
950 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
951 {
952 target_timer_callback_t **p = &target_timer_callbacks;
953 target_timer_callback_t *c = target_timer_callbacks;
954
955 if (callback == NULL)
956 {
957 return ERROR_INVALID_ARGUMENTS;
958 }
959
960 while (c)
961 {
962 target_timer_callback_t *next = c->next;
963 if ((c->callback == callback) && (c->priv == priv))
964 {
965 *p = next;
966 free(c);
967 return ERROR_OK;
968 }
969 else
970 p = &(c->next);
971 c = next;
972 }
973
974 return ERROR_OK;
975 }
976
977 int target_call_event_callbacks(target_t *target, enum target_event event)
978 {
979 target_event_callback_t *callback = target_event_callbacks;
980 target_event_callback_t *next_callback;
981
982 if (event == TARGET_EVENT_HALTED)
983 {
984 /* execute early halted first */
985 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
986 }
987
988 LOG_DEBUG("target event %i (%s)",
989 event,
990 Jim_Nvp_value2name_simple(nvp_target_event, event)->name);
991
992 target_handle_event(target, event);
993
994 while (callback)
995 {
996 next_callback = callback->next;
997 callback->callback(target, event, callback->priv);
998 callback = next_callback;
999 }
1000
1001 return ERROR_OK;
1002 }
1003
1004 static int target_timer_callback_periodic_restart(
1005 target_timer_callback_t *cb, struct timeval *now)
1006 {
1007 int time_ms = cb->time_ms;
1008 cb->when.tv_usec = now->tv_usec + (time_ms % 1000) * 1000;
1009 time_ms -= (time_ms % 1000);
1010 cb->when.tv_sec = now->tv_sec + time_ms / 1000;
1011 if (cb->when.tv_usec > 1000000)
1012 {
1013 cb->when.tv_usec = cb->when.tv_usec - 1000000;
1014 cb->when.tv_sec += 1;
1015 }
1016 return ERROR_OK;
1017 }
1018
1019 static int target_call_timer_callback(target_timer_callback_t *cb,
1020 struct timeval *now)
1021 {
1022 cb->callback(cb->priv);
1023
1024 if (cb->periodic)
1025 return target_timer_callback_periodic_restart(cb, now);
1026
1027 return target_unregister_timer_callback(cb->callback, cb->priv);
1028 }
1029
1030 static int target_call_timer_callbacks_check_time(int checktime)
1031 {
1032 keep_alive();
1033
1034 struct timeval now;
1035 gettimeofday(&now, NULL);
1036
1037 target_timer_callback_t *callback = target_timer_callbacks;
1038 while (callback)
1039 {
1040 // cleaning up may unregister and free this callback
1041 target_timer_callback_t *next_callback = callback->next;
1042
1043 bool call_it = callback->callback &&
1044 ((!checktime && callback->periodic) ||
1045 now.tv_sec > callback->when.tv_sec ||
1046 (now.tv_sec == callback->when.tv_sec &&
1047 now.tv_usec >= callback->when.tv_usec));
1048
1049 if (call_it)
1050 {
1051 int retval = target_call_timer_callback(callback, &now);
1052 if (retval != ERROR_OK)
1053 return retval;
1054 }
1055
1056 callback = next_callback;
1057 }
1058
1059 return ERROR_OK;
1060 }
1061
1062 int target_call_timer_callbacks(void)
1063 {
1064 return target_call_timer_callbacks_check_time(1);
1065 }
1066
1067 /* invoke periodic callbacks immediately */
1068 int target_call_timer_callbacks_now(void)
1069 {
1070 return target_call_timer_callbacks_check_time(0);
1071 }
1072
1073 int target_alloc_working_area(struct target_s *target, uint32_t size, working_area_t **area)
1074 {
1075 working_area_t *c = target->working_areas;
1076 working_area_t *new_wa = NULL;
1077
1078 /* Reevaluate working area address based on MMU state*/
1079 if (target->working_areas == NULL)
1080 {
1081 int retval;
1082 int enabled;
1083 retval = target->type->mmu(target, &enabled);
1084 if (retval != ERROR_OK)
1085 {
1086 return retval;
1087 }
1088
1089 if (enabled)
1090 {
1091 if (target->working_area_phys_spec)
1092 {
1093 LOG_DEBUG("MMU disabled, using physical address for working memory 0x%08x", (unsigned)target->working_area_phys);
1094 target->working_area = target->working_area_phys;
1095 } else
1096 {
1097 LOG_ERROR("No working memory available. Specify -work-area-phys to target.");
1098 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1099 }
1100 } else
1101 {
1102 if (target->working_area_virt_spec)
1103 {
1104 LOG_DEBUG("MMU enabled, using virtual address for working memory 0x%08x", (unsigned)target->working_area_virt);
1105 target->working_area = target->working_area_virt;
1106 } else
1107 {
1108 LOG_ERROR("No working memory available. Specify -work-area-virt to target.");
1109 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1110 }
1111 }
1112 }
1113
1114 /* only allocate multiples of 4 byte */
1115 if (size % 4)
1116 {
1117 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes (0x%08x), padding", ((unsigned)(size)));
1118 size = (size + 3) & (~3);
1119 }
1120
1121 /* see if there's already a matching working area */
1122 while (c)
1123 {
1124 if ((c->free) && (c->size == size))
1125 {
1126 new_wa = c;
1127 break;
1128 }
1129 c = c->next;
1130 }
1131
1132 /* if not, allocate a new one */
1133 if (!new_wa)
1134 {
1135 working_area_t **p = &target->working_areas;
1136 uint32_t first_free = target->working_area;
1137 uint32_t free_size = target->working_area_size;
1138
1139 c = target->working_areas;
1140 while (c)
1141 {
1142 first_free += c->size;
1143 free_size -= c->size;
1144 p = &c->next;
1145 c = c->next;
1146 }
1147
1148 if (free_size < size)
1149 {
1150 LOG_WARNING("not enough working area available(requested %u, free %u)",
1151 (unsigned)(size), (unsigned)(free_size));
1152 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1153 }
1154
1155 LOG_DEBUG("allocated new working area at address 0x%08x", (unsigned)first_free);
1156
1157 new_wa = malloc(sizeof(working_area_t));
1158 new_wa->next = NULL;
1159 new_wa->size = size;
1160 new_wa->address = first_free;
1161
1162 if (target->backup_working_area)
1163 {
1164 int retval;
1165 new_wa->backup = malloc(new_wa->size);
1166 if ((retval = target_read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
1167 {
1168 free(new_wa->backup);
1169 free(new_wa);
1170 return retval;
1171 }
1172 }
1173 else
1174 {
1175 new_wa->backup = NULL;
1176 }
1177
1178 /* put new entry in list */
1179 *p = new_wa;
1180 }
1181
1182 /* mark as used, and return the new (reused) area */
1183 new_wa->free = 0;
1184 *area = new_wa;
1185
1186 /* user pointer */
1187 new_wa->user = area;
1188
1189 return ERROR_OK;
1190 }
1191
1192 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
1193 {
1194 if (area->free)
1195 return ERROR_OK;
1196
1197 if (restore && target->backup_working_area)
1198 {
1199 int retval;
1200 if ((retval = target_write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
1201 return retval;
1202 }
1203
1204 area->free = 1;
1205
1206 /* mark user pointer invalid */
1207 *area->user = NULL;
1208 area->user = NULL;
1209
1210 return ERROR_OK;
1211 }
1212
1213 int target_free_working_area(struct target_s *target, working_area_t *area)
1214 {
1215 return target_free_working_area_restore(target, area, 1);
1216 }
1217
1218 /* free resources and restore memory, if restoring memory fails,
1219 * free up resources anyway
1220 */
1221 void target_free_all_working_areas_restore(struct target_s *target, int restore)
1222 {
1223 working_area_t *c = target->working_areas;
1224
1225 while (c)
1226 {
1227 working_area_t *next = c->next;
1228 target_free_working_area_restore(target, c, restore);
1229
1230 if (c->backup)
1231 free(c->backup);
1232
1233 free(c);
1234
1235 c = next;
1236 }
1237
1238 target->working_areas = NULL;
1239 }
1240
1241 void target_free_all_working_areas(struct target_s *target)
1242 {
1243 target_free_all_working_areas_restore(target, 1);
1244 }
1245
1246 int target_register_commands(struct command_context_s *cmd_ctx)
1247 {
1248
1249 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)");
1250
1251
1252
1253
1254 register_jim(cmd_ctx, "target", jim_target, "configure target");
1255
1256 return ERROR_OK;
1257 }
1258
1259 int target_arch_state(struct target_s *target)
1260 {
1261 int retval;
1262 if (target == NULL)
1263 {
1264 LOG_USER("No target has been configured");
1265 return ERROR_OK;
1266 }
1267
1268 LOG_USER("target state: %s", target_state_name( target ));
1269
1270 if (target->state != TARGET_HALTED)
1271 return ERROR_OK;
1272
1273 retval = target->type->arch_state(target);
1274 return retval;
1275 }
1276
1277 /* Single aligned words are guaranteed to use 16 or 32 bit access
1278 * mode respectively, otherwise data is handled as quickly as
1279 * possible
1280 */
1281 int target_write_buffer(struct target_s *target, uint32_t address, uint32_t size, uint8_t *buffer)
1282 {
1283 int retval;
1284 LOG_DEBUG("writing buffer of %i byte at 0x%8.8x",
1285 (int)size, (unsigned)address);
1286
1287 if (!target_was_examined(target))
1288 {
1289 LOG_ERROR("Target not examined yet");
1290 return ERROR_FAIL;
1291 }
1292
1293 if (size == 0) {
1294 return ERROR_OK;
1295 }
1296
1297 if ((address + size - 1) < address)
1298 {
1299 /* GDB can request this when e.g. PC is 0xfffffffc*/
1300 LOG_ERROR("address + size wrapped(0x%08x, 0x%08x)",
1301 (unsigned)address,
1302 (unsigned)size);
1303 return ERROR_FAIL;
1304 }
1305
1306 if (((address % 2) == 0) && (size == 2))
1307 {
1308 return target_write_memory(target, address, 2, 1, buffer);
1309 }
1310
1311 /* handle unaligned head bytes */
1312 if (address % 4)
1313 {
1314 uint32_t unaligned = 4 - (address % 4);
1315
1316 if (unaligned > size)
1317 unaligned = size;
1318
1319 if ((retval = target_write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1320 return retval;
1321
1322 buffer += unaligned;
1323 address += unaligned;
1324 size -= unaligned;
1325 }
1326
1327 /* handle aligned words */
1328 if (size >= 4)
1329 {
1330 int aligned = size - (size % 4);
1331
1332 /* use bulk writes above a certain limit. This may have to be changed */
1333 if (aligned > 128)
1334 {
1335 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1336 return retval;
1337 }
1338 else
1339 {
1340 if ((retval = target_write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1341 return retval;
1342 }
1343
1344 buffer += aligned;
1345 address += aligned;
1346 size -= aligned;
1347 }
1348
1349 /* handle tail writes of less than 4 bytes */
1350 if (size > 0)
1351 {
1352 if ((retval = target_write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1353 return retval;
1354 }
1355
1356 return ERROR_OK;
1357 }
1358
1359 /* Single aligned words are guaranteed to use 16 or 32 bit access
1360 * mode respectively, otherwise data is handled as quickly as
1361 * possible
1362 */
1363 int target_read_buffer(struct target_s *target, uint32_t address, uint32_t size, uint8_t *buffer)
1364 {
1365 int retval;
1366 LOG_DEBUG("reading buffer of %i byte at 0x%8.8x",
1367 (int)size, (unsigned)address);
1368
1369 if (!target_was_examined(target))
1370 {
1371 LOG_ERROR("Target not examined yet");
1372 return ERROR_FAIL;
1373 }
1374
1375 if (size == 0) {
1376 return ERROR_OK;
1377 }
1378
1379 if ((address + size - 1) < address)
1380 {
1381 /* GDB can request this when e.g. PC is 0xfffffffc*/
1382 LOG_ERROR("address + size wrapped(0x%08" PRIx32 ", 0x%08" PRIx32 ")",
1383 address,
1384 size);
1385 return ERROR_FAIL;
1386 }
1387
1388 if (((address % 2) == 0) && (size == 2))
1389 {
1390 return target_read_memory(target, address, 2, 1, buffer);
1391 }
1392
1393 /* handle unaligned head bytes */
1394 if (address % 4)
1395 {
1396 uint32_t unaligned = 4 - (address % 4);
1397
1398 if (unaligned > size)
1399 unaligned = size;
1400
1401 if ((retval = target_read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1402 return retval;
1403
1404 buffer += unaligned;
1405 address += unaligned;
1406 size -= unaligned;
1407 }
1408
1409 /* handle aligned words */
1410 if (size >= 4)
1411 {
1412 int aligned = size - (size % 4);
1413
1414 if ((retval = target_read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1415 return retval;
1416
1417 buffer += aligned;
1418 address += aligned;
1419 size -= aligned;
1420 }
1421
1422 /*prevent byte access when possible (avoid AHB access limitations in some cases)*/
1423 if(size >=2)
1424 {
1425 int aligned = size - (size%2);
1426 retval = target_read_memory(target, address, 2, aligned / 2, buffer);
1427 if (retval != ERROR_OK)
1428 return retval;
1429
1430 buffer += aligned;
1431 address += aligned;
1432 size -= aligned;
1433 }
1434 /* handle tail writes of less than 4 bytes */
1435 if (size > 0)
1436 {
1437 if ((retval = target_read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1438 return retval;
1439 }
1440
1441 return ERROR_OK;
1442 }
1443
1444 int target_checksum_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t* crc)
1445 {
1446 uint8_t *buffer;
1447 int retval;
1448 uint32_t i;
1449 uint32_t checksum = 0;
1450 if (!target_was_examined(target))
1451 {
1452 LOG_ERROR("Target not examined yet");
1453 return ERROR_FAIL;
1454 }
1455
1456 if ((retval = target->type->checksum_memory(target, address,
1457 size, &checksum)) != ERROR_OK)
1458 {
1459 buffer = malloc(size);
1460 if (buffer == NULL)
1461 {
1462 LOG_ERROR("error allocating buffer for section (%d bytes)", (int)size);
1463 return ERROR_INVALID_ARGUMENTS;
1464 }
1465 retval = target_read_buffer(target, address, size, buffer);
1466 if (retval != ERROR_OK)
1467 {
1468 free(buffer);
1469 return retval;
1470 }
1471
1472 /* convert to target endianess */
1473 for (i = 0; i < (size/sizeof(uint32_t)); i++)
1474 {
1475 uint32_t target_data;
1476 target_data = target_buffer_get_u32(target, &buffer[i*sizeof(uint32_t)]);
1477 target_buffer_set_u32(target, &buffer[i*sizeof(uint32_t)], target_data);
1478 }
1479
1480 retval = image_calculate_checksum(buffer, size, &checksum);
1481 free(buffer);
1482 }
1483
1484 *crc = checksum;
1485
1486 return retval;
1487 }
1488
1489 int target_blank_check_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t* blank)
1490 {
1491 int retval;
1492 if (!target_was_examined(target))
1493 {
1494 LOG_ERROR("Target not examined yet");
1495 return ERROR_FAIL;
1496 }
1497
1498 if (target->type->blank_check_memory == 0)
1499 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1500
1501 retval = target->type->blank_check_memory(target, address, size, blank);
1502
1503 return retval;
1504 }
1505
1506 int target_read_u32(struct target_s *target, uint32_t address, uint32_t *value)
1507 {
1508 uint8_t value_buf[4];
1509 if (!target_was_examined(target))
1510 {
1511 LOG_ERROR("Target not examined yet");
1512 return ERROR_FAIL;
1513 }
1514
1515 int retval = target_read_memory(target, address, 4, 1, value_buf);
1516
1517 if (retval == ERROR_OK)
1518 {
1519 *value = target_buffer_get_u32(target, value_buf);
1520 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
1521 address,
1522 *value);
1523 }
1524 else
1525 {
1526 *value = 0x0;
1527 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1528 address);
1529 }
1530
1531 return retval;
1532 }
1533
1534 int target_read_u16(struct target_s *target, uint32_t address, uint16_t *value)
1535 {
1536 uint8_t value_buf[2];
1537 if (!target_was_examined(target))
1538 {
1539 LOG_ERROR("Target not examined yet");
1540 return ERROR_FAIL;
1541 }
1542
1543 int retval = target_read_memory(target, address, 2, 1, value_buf);
1544
1545 if (retval == ERROR_OK)
1546 {
1547 *value = target_buffer_get_u16(target, value_buf);
1548 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%4.4x",
1549 address,
1550 *value);
1551 }
1552 else
1553 {
1554 *value = 0x0;
1555 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1556 address);
1557 }
1558
1559 return retval;
1560 }
1561
1562 int target_read_u8(struct target_s *target, uint32_t address, uint8_t *value)
1563 {
1564 int retval = target_read_memory(target, address, 1, 1, value);
1565 if (!target_was_examined(target))
1566 {
1567 LOG_ERROR("Target not examined yet");
1568 return ERROR_FAIL;
1569 }
1570
1571 if (retval == ERROR_OK)
1572 {
1573 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
1574 address,
1575 *value);
1576 }
1577 else
1578 {
1579 *value = 0x0;
1580 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1581 address);
1582 }
1583
1584 return retval;
1585 }
1586
1587 int target_write_u32(struct target_s *target, uint32_t address, uint32_t value)
1588 {
1589 int retval;
1590 uint8_t value_buf[4];
1591 if (!target_was_examined(target))
1592 {
1593 LOG_ERROR("Target not examined yet");
1594 return ERROR_FAIL;
1595 }
1596
1597 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
1598 address,
1599 value);
1600
1601 target_buffer_set_u32(target, value_buf, value);
1602 if ((retval = target_write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1603 {
1604 LOG_DEBUG("failed: %i", retval);
1605 }
1606
1607 return retval;
1608 }
1609
1610 int target_write_u16(struct target_s *target, uint32_t address, uint16_t value)
1611 {
1612 int retval;
1613 uint8_t value_buf[2];
1614 if (!target_was_examined(target))
1615 {
1616 LOG_ERROR("Target not examined yet");
1617 return ERROR_FAIL;
1618 }
1619
1620 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8x",
1621 address,
1622 value);
1623
1624 target_buffer_set_u16(target, value_buf, value);
1625 if ((retval = target_write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1626 {
1627 LOG_DEBUG("failed: %i", retval);
1628 }
1629
1630 return retval;
1631 }
1632
1633 int target_write_u8(struct target_s *target, uint32_t address, uint8_t value)
1634 {
1635 int retval;
1636 if (!target_was_examined(target))
1637 {
1638 LOG_ERROR("Target not examined yet");
1639 return ERROR_FAIL;
1640 }
1641
1642 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
1643 address, value);
1644
1645 if ((retval = target_write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1646 {
1647 LOG_DEBUG("failed: %i", retval);
1648 }
1649
1650 return retval;
1651 }
1652
1653 int target_register_user_commands(struct command_context_s *cmd_ctx)
1654 {
1655 int retval = ERROR_OK;
1656
1657
1658 /* script procedures */
1659 register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "profiling samples the CPU PC");
1660 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>");
1661 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>");
1662
1663 register_jim(cmd_ctx, "mrc", jim_mcrmrc, "read coprocessor <cpnum> <op1> <op2> <CRn> <CRm>");
1664 register_jim(cmd_ctx, "mcr", jim_mcrmrc, "write coprocessor <cpnum> <op1> <op2> <CRn> <CRm> <value>");
1665
1666 register_command(cmd_ctx, NULL, "fast_load_image", handle_fast_load_image_command, COMMAND_ANY,
1667 "same args as load_image, image stored in memory - mainly for profiling purposes");
1668
1669 register_command(cmd_ctx, NULL, "fast_load", handle_fast_load_command, COMMAND_ANY,
1670 "loads active fast load image to current target - mainly for profiling purposes");
1671
1672
1673 register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "translate a virtual address into a physical address");
1674 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, "display or set a register");
1675 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1676 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1677 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1678 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1679 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1680 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run | halt | init] - default is run");
1681 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1682
1683 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words [phys] <addr> [count]");
1684 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words [phys] <addr> [count]");
1685 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes [phys] <addr> [count]");
1686
1687 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word [phys] <addr> <value> [count]");
1688 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word [phys] <addr> <value> [count]");
1689 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte [phys] <addr> <value> [count]");
1690
1691 register_command(cmd_ctx, NULL, "bp",
1692 handle_bp_command, COMMAND_EXEC,
1693 "list or set breakpoint [<address> <length> [hw]]");
1694 register_command(cmd_ctx, NULL, "rbp",
1695 handle_rbp_command, COMMAND_EXEC,
1696 "remove breakpoint <address>");
1697 register_command(cmd_ctx, NULL, "wp",
1698 handle_wp_command, COMMAND_EXEC,
1699 "list or set watchpoint "
1700 "[<address> <length> <r/w/a> [value] [mask]]");
1701 register_command(cmd_ctx, NULL, "rwp",
1702 handle_rwp_command, COMMAND_EXEC,
1703 "remove watchpoint <address>");
1704
1705 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]");
1706 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1707 register_command(cmd_ctx, NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1708 register_command(cmd_ctx, NULL, "test_image", handle_test_image_command, COMMAND_EXEC, "test_image <file> [offset] [type]");
1709
1710 if ((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
1711 return retval;
1712 if ((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
1713 return retval;
1714
1715 return retval;
1716 }
1717
1718 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1719 {
1720 target_t *target = all_targets;
1721
1722 if (argc == 1)
1723 {
1724 target = get_target(args[0]);
1725 if (target == NULL) {
1726 command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0]);
1727 goto DumpTargets;
1728 }
1729 if (!target->tap->enabled) {
1730 command_print(cmd_ctx,"Target: TAP %s is disabled, "
1731 "can't be the current target\n",
1732 target->tap->dotted_name);
1733 return ERROR_FAIL;
1734 }
1735
1736 cmd_ctx->current_target = target->target_number;
1737 return ERROR_OK;
1738 }
1739 DumpTargets:
1740
1741 target = all_targets;
1742 command_print(cmd_ctx, " TargetName Type Endian TapName State ");
1743 command_print(cmd_ctx, "-- ------------------ ---------- ------ ------------------ ------------");
1744 while (target)
1745 {
1746 const char *state;
1747 char marker = ' ';
1748
1749 if (target->tap->enabled)
1750 state = target_state_name( target );
1751 else
1752 state = "tap-disabled";
1753
1754 if (cmd_ctx->current_target == target->target_number)
1755 marker = '*';
1756
1757 /* keep columns lined up to match the headers above */
1758 command_print(cmd_ctx, "%2d%c %-18s %-10s %-6s %-18s %s",
1759 target->target_number,
1760 marker,
1761 target->cmd_name,
1762 target_get_name(target),
1763 Jim_Nvp_value2name_simple(nvp_target_endian,
1764 target->endianness)->name,
1765 target->tap->dotted_name,
1766 state);
1767 target = target->next;
1768 }
1769
1770 return ERROR_OK;
1771 }
1772
1773 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1774
1775 static int powerDropout;
1776 static int srstAsserted;
1777
1778 static int runPowerRestore;
1779 static int runPowerDropout;
1780 static int runSrstAsserted;
1781 static int runSrstDeasserted;
1782
1783 static int sense_handler(void)
1784 {
1785 static int prevSrstAsserted = 0;
1786 static int prevPowerdropout = 0;
1787
1788 int retval;
1789 if ((retval = jtag_power_dropout(&powerDropout)) != ERROR_OK)
1790 return retval;
1791
1792 int powerRestored;
1793 powerRestored = prevPowerdropout && !powerDropout;
1794 if (powerRestored)
1795 {
1796 runPowerRestore = 1;
1797 }
1798
1799 long long current = timeval_ms();
1800 static long long lastPower = 0;
1801 int waitMore = lastPower + 2000 > current;
1802 if (powerDropout && !waitMore)
1803 {
1804 runPowerDropout = 1;
1805 lastPower = current;
1806 }
1807
1808 if ((retval = jtag_srst_asserted(&srstAsserted)) != ERROR_OK)
1809 return retval;
1810
1811 int srstDeasserted;
1812 srstDeasserted = prevSrstAsserted && !srstAsserted;
1813
1814 static long long lastSrst = 0;
1815 waitMore = lastSrst + 2000 > current;
1816 if (srstDeasserted && !waitMore)
1817 {
1818 runSrstDeasserted = 1;
1819 lastSrst = current;
1820 }
1821
1822 if (!prevSrstAsserted && srstAsserted)
1823 {
1824 runSrstAsserted = 1;
1825 }
1826
1827 prevSrstAsserted = srstAsserted;
1828 prevPowerdropout = powerDropout;
1829
1830 if (srstDeasserted || powerRestored)
1831 {
1832 /* Other than logging the event we can't do anything here.
1833 * Issuing a reset is a particularly bad idea as we might
1834 * be inside a reset already.
1835 */
1836 }
1837
1838 return ERROR_OK;
1839 }
1840
1841 static void target_call_event_callbacks_all(enum target_event e) {
1842 target_t *target;
1843 target = all_targets;
1844 while (target) {
1845 target_call_event_callbacks(target, e);
1846 target = target->next;
1847 }
1848 }
1849
1850 /* process target state changes */
1851 int handle_target(void *priv)
1852 {
1853 int retval = ERROR_OK;
1854
1855 /* we do not want to recurse here... */
1856 static int recursive = 0;
1857 if (! recursive)
1858 {
1859 recursive = 1;
1860 sense_handler();
1861 /* danger! running these procedures can trigger srst assertions and power dropouts.
1862 * We need to avoid an infinite loop/recursion here and we do that by
1863 * clearing the flags after running these events.
1864 */
1865 int did_something = 0;
1866 if (runSrstAsserted)
1867 {
1868 target_call_event_callbacks_all(TARGET_EVENT_GDB_HALT);
1869 Jim_Eval(interp, "srst_asserted");
1870 did_something = 1;
1871 }
1872 if (runSrstDeasserted)
1873 {
1874 Jim_Eval(interp, "srst_deasserted");
1875 did_something = 1;
1876 }
1877 if (runPowerDropout)
1878 {
1879 target_call_event_callbacks_all(TARGET_EVENT_GDB_HALT);
1880 Jim_Eval(interp, "power_dropout");
1881 did_something = 1;
1882 }
1883 if (runPowerRestore)
1884 {
1885 Jim_Eval(interp, "power_restore");
1886 did_something = 1;
1887 }
1888
1889 if (did_something)
1890 {
1891 /* clear detect flags */
1892 sense_handler();
1893 }
1894
1895 /* clear action flags */
1896
1897 runSrstAsserted = 0;
1898 runSrstDeasserted = 0;
1899 runPowerRestore = 0;
1900 runPowerDropout = 0;
1901
1902 recursive = 0;
1903 }
1904
1905 /* Poll targets for state changes unless that's globally disabled.
1906 * Skip targets that are currently disabled.
1907 */
1908 for (target_t *target = all_targets;
1909 is_jtag_poll_safe() && target;
1910 target = target->next)
1911 {
1912 if (!target->tap->enabled)
1913 continue;
1914
1915 /* only poll target if we've got power and srst isn't asserted */
1916 if (!powerDropout && !srstAsserted)
1917 {
1918 /* polling may fail silently until the target has been examined */
1919 if ((retval = target_poll(target)) != ERROR_OK)
1920 {
1921 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
1922 return retval;
1923 }
1924 }
1925 }
1926
1927 return retval;
1928 }
1929
1930 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1931 {
1932 target_t *target;
1933 reg_t *reg = NULL;
1934 int count = 0;
1935 char *value;
1936
1937 LOG_DEBUG("-");
1938
1939 target = get_current_target(cmd_ctx);
1940
1941 /* list all available registers for the current target */
1942 if (argc == 0)
1943 {
1944 reg_cache_t *cache = target->reg_cache;
1945
1946 count = 0;
1947 while (cache)
1948 {
1949 int i;
1950
1951 command_print(cmd_ctx, "===== %s", cache->name);
1952
1953 for (i = 0, reg = cache->reg_list;
1954 i < cache->num_regs;
1955 i++, reg++, count++)
1956 {
1957 /* only print cached values if they are valid */
1958 if (reg->valid) {
1959 value = buf_to_str(reg->value,
1960 reg->size, 16);
1961 command_print(cmd_ctx,
1962 "(%i) %s (/%" PRIu32 "): 0x%s%s",
1963 count, reg->name,
1964 reg->size, value,
1965 reg->dirty
1966 ? " (dirty)"
1967 : "");
1968 free(value);
1969 } else {
1970 command_print(cmd_ctx, "(%i) %s (/%" PRIu32 ")",
1971 count, reg->name,
1972 reg->size) ;
1973 }
1974 }
1975 cache = cache->next;
1976 }
1977
1978 return ERROR_OK;
1979 }
1980
1981 /* access a single register by its ordinal number */
1982 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1983 {
1984 unsigned num;
1985 int retval = parse_uint(args[0], &num);
1986 if (ERROR_OK != retval)
1987 return ERROR_COMMAND_SYNTAX_ERROR;
1988
1989 reg_cache_t *cache = target->reg_cache;
1990 count = 0;
1991 while (cache)
1992 {
1993 int i;
1994 for (i = 0; i < cache->num_regs; i++)
1995 {
1996 if (count++ == (int)num)
1997 {
1998 reg = &cache->reg_list[i];
1999 break;
2000 }
2001 }
2002 if (reg)
2003 break;
2004 cache = cache->next;
2005 }
2006
2007 if (!reg)
2008 {
2009 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
2010 return ERROR_OK;
2011 }
2012 } else /* access a single register by its name */
2013 {
2014 reg = register_get_by_name(target->reg_cache, args[0], 1);
2015
2016 if (!reg)
2017 {
2018 command_print(cmd_ctx, "register %s not found in current target", args[0]);
2019 return ERROR_OK;
2020 }
2021 }
2022
2023 /* display a register */
2024 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
2025 {
2026 if ((argc == 2) && (strcmp(args[1], "force") == 0))
2027 reg->valid = 0;
2028
2029 if (reg->valid == 0)
2030 {
2031 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
2032 arch_type->get(reg);
2033 }
2034 value = buf_to_str(reg->value, reg->size, 16);
2035 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
2036 free(value);
2037 return ERROR_OK;
2038 }
2039
2040 /* set register value */
2041 if (argc == 2)
2042 {
2043 uint8_t *buf = malloc(CEIL(reg->size, 8));
2044 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
2045
2046 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
2047 arch_type->set(reg, buf);
2048
2049 value = buf_to_str(reg->value, reg->size, 16);
2050 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
2051 free(value);
2052
2053 free(buf);
2054
2055 return ERROR_OK;
2056 }
2057
2058 command_print(cmd_ctx, "usage: reg <#|name> [value]");
2059
2060 return ERROR_OK;
2061 }
2062
2063 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2064 {
2065 int retval = ERROR_OK;
2066 target_t *target = get_current_target(cmd_ctx);
2067
2068 if (argc == 0)
2069 {
2070 command_print(cmd_ctx, "background polling: %s",
2071 jtag_poll_get_enabled() ? "on" : "off");
2072 command_print(cmd_ctx, "TAP: %s (%s)",
2073 target->tap->dotted_name,
2074 target->tap->enabled ? "enabled" : "disabled");
2075 if (!target->tap->enabled)
2076 return ERROR_OK;
2077 if ((retval = target_poll(target)) != ERROR_OK)
2078 return retval;
2079 if ((retval = target_arch_state(target)) != ERROR_OK)
2080 return retval;
2081
2082 }
2083 else if (argc == 1)
2084 {
2085 if (strcmp(args[0], "on") == 0)
2086 {
2087 jtag_poll_set_enabled(true);
2088 }
2089 else if (strcmp(args[0], "off") == 0)
2090 {
2091 jtag_poll_set_enabled(false);
2092 }
2093 else
2094 {
2095 command_print(cmd_ctx, "arg is \"on\" or \"off\"");
2096 }
2097 } else
2098 {
2099 return ERROR_COMMAND_SYNTAX_ERROR;
2100 }
2101
2102 return retval;
2103 }
2104
2105 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2106 {
2107 if (argc > 1)
2108 return ERROR_COMMAND_SYNTAX_ERROR;
2109
2110 unsigned ms = 5000;
2111 if (1 == argc)
2112 {
2113 int retval = parse_uint(args[0], &ms);
2114 if (ERROR_OK != retval)
2115 {
2116 command_print(cmd_ctx, "usage: %s [seconds]", cmd);
2117 return ERROR_COMMAND_SYNTAX_ERROR;
2118 }
2119 // convert seconds (given) to milliseconds (needed)
2120 ms *= 1000;
2121 }
2122
2123 target_t *target = get_current_target(cmd_ctx);
2124 return target_wait_state(target, TARGET_HALTED, ms);
2125 }
2126
2127 /* wait for target state to change. The trick here is to have a low
2128 * latency for short waits and not to suck up all the CPU time
2129 * on longer waits.
2130 *
2131 * After 500ms, keep_alive() is invoked
2132 */
2133 int target_wait_state(target_t *target, enum target_state state, int ms)
2134 {
2135 int retval;
2136 long long then = 0, cur;
2137 int once = 1;
2138
2139 for (;;)
2140 {
2141 if ((retval = target_poll(target)) != ERROR_OK)
2142 return retval;
2143 if (target->state == state)
2144 {
2145 break;
2146 }
2147 cur = timeval_ms();
2148 if (once)
2149 {
2150 once = 0;
2151 then = timeval_ms();
2152 LOG_DEBUG("waiting for target %s...",
2153 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
2154 }
2155
2156 if (cur-then > 500)
2157 {
2158 keep_alive();
2159 }
2160
2161 if ((cur-then) > ms)
2162 {
2163 LOG_ERROR("timed out while waiting for target %s",
2164 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
2165 return ERROR_FAIL;
2166 }
2167 }
2168
2169 return ERROR_OK;
2170 }
2171
2172 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2173 {
2174 LOG_DEBUG("-");
2175
2176 target_t *target = get_current_target(cmd_ctx);
2177 int retval = target_halt(target);
2178 if (ERROR_OK != retval)
2179 return retval;
2180
2181 if (argc == 1)
2182 {
2183 unsigned wait;
2184 retval = parse_uint(args[0], &wait);
2185 if (ERROR_OK != retval)
2186 return ERROR_COMMAND_SYNTAX_ERROR;
2187 if (!wait)
2188 return ERROR_OK;
2189 }
2190
2191 return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
2192 }
2193
2194 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2195 {
2196 target_t *target = get_current_target(cmd_ctx);
2197
2198 LOG_USER("requesting target halt and executing a soft reset");
2199
2200 target->type->soft_reset_halt(target);
2201
2202 return ERROR_OK;
2203 }
2204
2205 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2206 {
2207 if (argc > 1)
2208 return ERROR_COMMAND_SYNTAX_ERROR;
2209
2210 enum target_reset_mode reset_mode = RESET_RUN;
2211 if (argc == 1)
2212 {
2213 const Jim_Nvp *n;
2214 n = Jim_Nvp_name2value_simple(nvp_reset_modes, args[0]);
2215 if ((n->name == NULL) || (n->value == RESET_UNKNOWN)) {
2216 return ERROR_COMMAND_SYNTAX_ERROR;
2217 }
2218 reset_mode = n->value;
2219 }
2220
2221 /* reset *all* targets */
2222 return target_process_reset(cmd_ctx, reset_mode);
2223 }
2224
2225
2226 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2227 {
2228 int current = 1;
2229 if (argc > 1)
2230 return ERROR_COMMAND_SYNTAX_ERROR;
2231
2232 target_t *target = get_current_target(cmd_ctx);
2233 target_handle_event(target, TARGET_EVENT_OLD_pre_resume);
2234
2235 /* with no args, resume from current pc, addr = 0,
2236 * with one arguments, addr = args[0],
2237 * handle breakpoints, not debugging */
2238 uint32_t addr = 0;
2239 if (argc == 1)
2240 {
2241 int retval = parse_u32(args[0], &addr);
2242 if (ERROR_OK != retval)
2243 return retval;
2244 current = 0;
2245 }
2246
2247 return target_resume(target, current, addr, 1, 0);
2248 }
2249
2250 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2251 {
2252 if (argc > 1)
2253 return ERROR_COMMAND_SYNTAX_ERROR;
2254
2255 LOG_DEBUG("-");
2256
2257 /* with no args, step from current pc, addr = 0,
2258 * with one argument addr = args[0],
2259 * handle breakpoints, debugging */
2260 uint32_t addr = 0;
2261 int current_pc = 1;
2262 if (argc == 1)
2263 {
2264 int retval = parse_u32(args[0], &addr);
2265 if (ERROR_OK != retval)
2266 return retval;
2267 current_pc = 0;
2268 }
2269
2270 target_t *target = get_current_target(cmd_ctx);
2271
2272 return target->type->step(target, current_pc, addr, 1);
2273 }
2274
2275 static void handle_md_output(struct command_context_s *cmd_ctx,
2276 struct target_s *target, uint32_t address, unsigned size,
2277 unsigned count, const uint8_t *buffer)
2278 {
2279 const unsigned line_bytecnt = 32;
2280 unsigned line_modulo = line_bytecnt / size;
2281
2282 char output[line_bytecnt * 4 + 1];
2283 unsigned output_len = 0;
2284
2285 const char *value_fmt;
2286 switch (size) {
2287 case 4: value_fmt = "%8.8x "; break;
2288 case 2: value_fmt = "%4.2x "; break;
2289 case 1: value_fmt = "%2.2x "; break;
2290 default:
2291 LOG_ERROR("invalid memory read size: %u", size);
2292 exit(-1);
2293 }
2294
2295 for (unsigned i = 0; i < count; i++)
2296 {
2297 if (i % line_modulo == 0)
2298 {
2299 output_len += snprintf(output + output_len,
2300 sizeof(output) - output_len,
2301 "0x%8.8x: ",
2302 (unsigned)(address + (i*size)));
2303 }
2304
2305 uint32_t value = 0;
2306 const uint8_t *value_ptr = buffer + i * size;
2307 switch (size) {
2308 case 4: value = target_buffer_get_u32(target, value_ptr); break;
2309 case 2: value = target_buffer_get_u16(target, value_ptr); break;
2310 case 1: value = *value_ptr;
2311 }
2312 output_len += snprintf(output + output_len,
2313 sizeof(output) - output_len,
2314 value_fmt, value);
2315
2316 if ((i % line_modulo == line_modulo - 1) || (i == count - 1))
2317 {
2318 command_print(cmd_ctx, "%s", output);
2319 output_len = 0;
2320 }
2321 }
2322 }
2323
2324 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2325 {
2326 if (argc < 1)
2327 return ERROR_COMMAND_SYNTAX_ERROR;
2328
2329 unsigned size = 0;
2330 switch (cmd[2]) {
2331 case 'w': size = 4; break;
2332 case 'h': size = 2; break;
2333 case 'b': size = 1; break;
2334 default: return ERROR_COMMAND_SYNTAX_ERROR;
2335 }
2336
2337 bool physical=strcmp(args[0], "phys")==0;
2338 int (*fn)(struct target_s *target,
2339 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
2340 if (physical)
2341 {
2342 argc--;
2343 args++;
2344 fn=target_read_phys_memory;
2345 } else
2346 {
2347 fn=target_read_memory;
2348 }
2349 if ((argc < 1) || (argc > 2))
2350 {
2351 return ERROR_COMMAND_SYNTAX_ERROR;
2352 }
2353 uint32_t address;
2354 int retval = parse_u32(args[0], &address);
2355 if (ERROR_OK != retval)
2356 return retval;
2357
2358 unsigned count = 1;
2359 if (argc == 2)
2360 {
2361 retval = parse_uint(args[1], &count);
2362 if (ERROR_OK != retval)
2363 return retval;
2364 }
2365
2366 uint8_t *buffer = calloc(count, size);
2367
2368 target_t *target = get_current_target(cmd_ctx);
2369 retval = fn(target, address, size, count, buffer);
2370 if (ERROR_OK == retval)
2371 handle_md_output(cmd_ctx, target, address, size, count, buffer);
2372
2373 free(buffer);
2374
2375 return retval;
2376 }
2377
2378 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2379 {
2380 if (argc < 2)
2381 {
2382 return ERROR_COMMAND_SYNTAX_ERROR;
2383 }
2384 bool physical=strcmp(args[0], "phys")==0;
2385 int (*fn)(struct target_s *target,
2386 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
2387 if (physical)
2388 {
2389 argc--;
2390 args++;
2391 fn=target_write_phys_memory;
2392 } else
2393 {
2394 fn=target_write_memory;
2395 }
2396 if ((argc < 2) || (argc > 3))
2397 return ERROR_COMMAND_SYNTAX_ERROR;
2398
2399 uint32_t address;
2400 int retval = parse_u32(args[0], &address);
2401 if (ERROR_OK != retval)
2402 return retval;
2403
2404 uint32_t value;
2405 retval = parse_u32(args[1], &value);
2406 if (ERROR_OK != retval)
2407 return retval;
2408
2409 unsigned count = 1;
2410 if (argc == 3)
2411 {
2412 retval = parse_uint(args[2], &count);
2413 if (ERROR_OK != retval)
2414 return retval;
2415 }
2416
2417 target_t *target = get_current_target(cmd_ctx);
2418 unsigned wordsize;
2419 uint8_t value_buf[4];
2420 switch (cmd[2])
2421 {
2422 case 'w':
2423 wordsize = 4;
2424 target_buffer_set_u32(target, value_buf, value);
2425 break;
2426 case 'h':
2427 wordsize = 2;
2428 target_buffer_set_u16(target, value_buf, value);
2429 break;
2430 case 'b':
2431 wordsize = 1;
2432 value_buf[0] = value;
2433 break;
2434 default:
2435 return ERROR_COMMAND_SYNTAX_ERROR;
2436 }
2437 for (unsigned i = 0; i < count; i++)
2438 {
2439 retval = fn(target,
2440 address + i * wordsize, wordsize, 1, value_buf);
2441 if (ERROR_OK != retval)
2442 return retval;
2443 keep_alive();
2444 }
2445
2446 return ERROR_OK;
2447
2448 }
2449
2450 static int parse_load_image_command_args(char **args, int argc,
2451 image_t *image, uint32_t *min_address, uint32_t *max_address)
2452 {
2453 if (argc < 1 || argc > 5)
2454 return ERROR_COMMAND_SYNTAX_ERROR;
2455
2456 /* a base address isn't always necessary,
2457 * default to 0x0 (i.e. don't relocate) */
2458 if (argc >= 2)
2459 {
2460 uint32_t addr;
2461 int retval = parse_u32(args[1], &addr);
2462 if (ERROR_OK != retval)
2463 return ERROR_COMMAND_SYNTAX_ERROR;
2464 image->base_address = addr;
2465 image->base_address_set = 1;
2466 }
2467 else
2468 image->base_address_set = 0;
2469
2470 image->start_address_set = 0;
2471
2472 if (argc >= 4)
2473 {
2474 int retval = parse_u32(args[3], min_address);
2475 if (ERROR_OK != retval)
2476 return ERROR_COMMAND_SYNTAX_ERROR;
2477 }
2478 if (argc == 5)
2479 {
2480 int retval = parse_u32(args[4], max_address);
2481 if (ERROR_OK != retval)
2482 return ERROR_COMMAND_SYNTAX_ERROR;
2483 // use size (given) to find max (required)
2484 *max_address += *min_address;
2485 }
2486
2487 if (*min_address > *max_address)
2488 return ERROR_COMMAND_SYNTAX_ERROR;
2489
2490 return ERROR_OK;
2491 }
2492
2493 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2494 {
2495 uint8_t *buffer;
2496 uint32_t buf_cnt;
2497 uint32_t image_size;
2498 uint32_t min_address = 0;
2499 uint32_t max_address = 0xffffffff;
2500 int i;
2501 int retvaltemp;
2502
2503 image_t image;
2504
2505 duration_t duration;
2506 char *duration_text;
2507
2508 int retval = parse_load_image_command_args(args, argc,
2509 &image, &min_address, &max_address);
2510 if (ERROR_OK != retval)
2511 return retval;
2512
2513 target_t *target = get_current_target(cmd_ctx);
2514 duration_start_measure(&duration);
2515
2516 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2517 {
2518 return ERROR_OK;
2519 }
2520
2521 image_size = 0x0;
2522 retval = ERROR_OK;
2523 for (i = 0; i < image.num_sections; i++)
2524 {
2525 buffer = malloc(image.sections[i].size);
2526 if (buffer == NULL)
2527 {
2528 command_print(cmd_ctx,
2529 "error allocating buffer for section (%d bytes)",
2530 (int)(image.sections[i].size));
2531 break;
2532 }
2533
2534 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2535 {
2536 free(buffer);
2537 break;
2538 }
2539
2540 uint32_t offset = 0;
2541 uint32_t length = buf_cnt;
2542
2543 /* DANGER!!! beware of unsigned comparision here!!! */
2544
2545 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
2546 (image.sections[i].base_address < max_address))
2547 {
2548 if (image.sections[i].base_address < min_address)
2549 {
2550 /* clip addresses below */
2551 offset += min_address-image.sections[i].base_address;
2552 length -= offset;
2553 }
2554
2555 if (image.sections[i].base_address + buf_cnt > max_address)
2556 {
2557 length -= (image.sections[i].base_address + buf_cnt)-max_address;
2558 }
2559
2560 if ((retval = target_write_buffer(target, image.sections[i].base_address + offset, length, buffer + offset)) != ERROR_OK)
2561 {
2562 free(buffer);
2563 break;
2564 }
2565 image_size += length;
2566 command_print(cmd_ctx, "%u bytes written at address 0x%8.8" PRIx32 "",
2567 (unsigned int)length,
2568 image.sections[i].base_address + offset);
2569 }
2570
2571 free(buffer);
2572 }
2573
2574 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2575 {
2576 image_close(&image);
2577 return retvaltemp;
2578 }
2579
2580 if (retval == ERROR_OK)
2581 {
2582 command_print(cmd_ctx, "downloaded %u byte in %s",
2583 (unsigned int)image_size,
2584 duration_text);
2585 }
2586 free(duration_text);
2587
2588 image_close(&image);
2589
2590 return retval;
2591
2592 }
2593
2594 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2595 {
2596 fileio_t fileio;
2597
2598 uint8_t buffer[560];
2599 int retvaltemp;
2600
2601 duration_t duration;
2602 char *duration_text;
2603
2604 target_t *target = get_current_target(cmd_ctx);
2605
2606 if (argc != 3)
2607 {
2608 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2609 return ERROR_OK;
2610 }
2611
2612 uint32_t address;
2613 int retval = parse_u32(args[1], &address);
2614 if (ERROR_OK != retval)
2615 return retval;
2616
2617 uint32_t size;
2618 retval = parse_u32(args[2], &size);
2619 if (ERROR_OK != retval)
2620 return retval;
2621
2622 if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2623 {
2624 return ERROR_OK;
2625 }
2626
2627 duration_start_measure(&duration);
2628
2629 while (size > 0)
2630 {
2631 uint32_t size_written;
2632 uint32_t this_run_size = (size > 560) ? 560 : size;
2633
2634 retval = target_read_buffer(target, address, this_run_size, buffer);
2635 if (retval != ERROR_OK)
2636 {
2637 break;
2638 }
2639
2640 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2641 if (retval != ERROR_OK)
2642 {
2643 break;
2644 }
2645
2646 size -= this_run_size;
2647 address += this_run_size;
2648 }
2649
2650 if ((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2651 return retvaltemp;
2652
2653 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2654 return retvaltemp;
2655
2656 if (retval == ERROR_OK)
2657 {
2658 command_print(cmd_ctx, "dumped %lld byte in %s",
2659 fileio.size, duration_text);
2660 free(duration_text);
2661 }
2662
2663 return retval;
2664 }
2665
2666 static int handle_verify_image_command_internal(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, int verify)
2667 {
2668 uint8_t *buffer;
2669 uint32_t buf_cnt;
2670 uint32_t image_size;
2671 int i;
2672 int retval, retvaltemp;
2673 uint32_t checksum = 0;
2674 uint32_t mem_checksum = 0;
2675
2676 image_t image;
2677
2678 duration_t duration;
2679 char *duration_text;
2680
2681 target_t *target = get_current_target(cmd_ctx);
2682
2683 if (argc < 1)
2684 {
2685 return ERROR_COMMAND_SYNTAX_ERROR;
2686 }
2687
2688 if (!target)
2689 {
2690 LOG_ERROR("no target selected");
2691 return ERROR_FAIL;
2692 }
2693
2694 duration_start_measure(&duration);
2695
2696 if (argc >= 2)
2697 {
2698 uint32_t addr;
2699 retval = parse_u32(args[1], &addr);
2700 if (ERROR_OK != retval)
2701 return ERROR_COMMAND_SYNTAX_ERROR;
2702 image.base_address = addr;
2703 image.base_address_set = 1;
2704 }
2705 else
2706 {
2707 image.base_address_set = 0;
2708 image.base_address = 0x0;
2709 }
2710
2711 image.start_address_set = 0;
2712
2713 if ((retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2714 {
2715 return retval;
2716 }
2717
2718 image_size = 0x0;
2719 retval = ERROR_OK;
2720 for (i = 0; i < image.num_sections; i++)
2721 {
2722 buffer = malloc(image.sections[i].size);
2723 if (buffer == NULL)
2724 {
2725 command_print(cmd_ctx,
2726 "error allocating buffer for section (%d bytes)",
2727 (int)(image.sections[i].size));
2728 break;
2729 }
2730 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2731 {
2732 free(buffer);
2733 break;
2734 }
2735
2736 if (verify)
2737 {
2738 /* calculate checksum of image */
2739 image_calculate_checksum(buffer, buf_cnt, &checksum);
2740
2741 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2742 if (retval != ERROR_OK)
2743 {
2744 free(buffer);
2745 break;
2746 }
2747
2748 if (checksum != mem_checksum)
2749 {
2750 /* failed crc checksum, fall back to a binary compare */
2751 uint8_t *data;
2752
2753 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2754
2755 data = (uint8_t*)malloc(buf_cnt);
2756
2757 /* Can we use 32bit word accesses? */
2758 int size = 1;
2759 int count = buf_cnt;
2760 if ((count % 4) == 0)
2761 {
2762 size *= 4;
2763 count /= 4;
2764 }
2765 retval = target_read_memory(target, image.sections[i].base_address, size, count, data);
2766 if (retval == ERROR_OK)
2767 {
2768 uint32_t t;
2769 for (t = 0; t < buf_cnt; t++)
2770 {
2771 if (data[t] != buffer[t])
2772 {
2773 command_print(cmd_ctx,
2774 "Verify operation failed address 0x%08x. Was 0x%02x instead of 0x%02x\n",
2775 (unsigned)(t + image.sections[i].base_address),
2776 data[t],
2777 buffer[t]);
2778 free(data);
2779 free(buffer);
2780 retval = ERROR_FAIL;
2781 goto done;
2782 }
2783 if ((t%16384) == 0)
2784 {
2785 keep_alive();
2786 }
2787 }
2788 }
2789
2790 free(data);
2791 }
2792 } else
2793 {
2794 command_print(cmd_ctx, "address 0x%08" PRIx32 " length 0x%08" PRIx32 "",
2795 image.sections[i].base_address,
2796 buf_cnt);
2797 }
2798
2799 free(buffer);
2800 image_size += buf_cnt;
2801 }
2802 done:
2803
2804 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2805 {
2806 image_close(&image);
2807 return retvaltemp;
2808 }
2809
2810 if (retval == ERROR_OK)
2811 {
2812 command_print(cmd_ctx, "verified %u bytes in %s",
2813 (unsigned int)image_size,
2814 duration_text);
2815 }
2816 free(duration_text);
2817
2818 image_close(&image);
2819
2820 return retval;
2821 }
2822
2823 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2824 {
2825 return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 1);
2826 }
2827
2828 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2829 {
2830 return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 0);
2831 }
2832
2833 static int handle_bp_command_list(struct command_context_s *cmd_ctx)
2834 {
2835 target_t *target = get_current_target(cmd_ctx);
2836 breakpoint_t *breakpoint = target->breakpoints;
2837 while (breakpoint)
2838 {
2839 if (breakpoint->type == BKPT_SOFT)
2840 {
2841 char* buf = buf_to_str(breakpoint->orig_instr,
2842 breakpoint->length, 16);
2843 command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i, 0x%s",
2844 breakpoint->address,
2845 breakpoint->length,
2846 breakpoint->set, buf);
2847 free(buf);
2848 }
2849 else
2850 {
2851 command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i",
2852 breakpoint->address,
2853 breakpoint->length, breakpoint->set);
2854 }
2855
2856 breakpoint = breakpoint->next;
2857 }
2858 return ERROR_OK;
2859 }
2860
2861 static int handle_bp_command_set(struct command_context_s *cmd_ctx,
2862 uint32_t addr, uint32_t length, int hw)
2863 {
2864 target_t *target = get_current_target(cmd_ctx);
2865 int retval = breakpoint_add(target, addr, length, hw);
2866 if (ERROR_OK == retval)
2867 command_print(cmd_ctx, "breakpoint set at 0x%8.8" PRIx32 "", addr);
2868 else
2869 LOG_ERROR("Failure setting breakpoint");
2870 return retval;
2871 }
2872
2873 static int handle_bp_command(struct command_context_s *cmd_ctx,
2874 char *cmd, char **args, int argc)
2875 {
2876 if (argc == 0)
2877 return handle_bp_command_list(cmd_ctx);
2878
2879 if (argc < 2 || argc > 3)
2880 {
2881 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2882 return ERROR_COMMAND_SYNTAX_ERROR;
2883 }
2884
2885 uint32_t addr;
2886 int retval = parse_u32(args[0], &addr);
2887 if (ERROR_OK != retval)
2888 return retval;
2889
2890 uint32_t length;
2891 retval = parse_u32(args[1], &length);
2892 if (ERROR_OK != retval)
2893 return retval;
2894
2895 int hw = BKPT_SOFT;
2896 if (argc == 3)
2897 {
2898 if (strcmp(args[2], "hw") == 0)
2899 hw = BKPT_HARD;
2900 else
2901 return ERROR_COMMAND_SYNTAX_ERROR;
2902 }
2903
2904 return handle_bp_command_set(cmd_ctx, addr, length, hw);
2905 }
2906
2907 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2908 {
2909 if (argc != 1)
2910 return ERROR_COMMAND_SYNTAX_ERROR;
2911
2912 uint32_t addr;
2913 int retval = parse_u32(args[0], &addr);
2914 if (ERROR_OK != retval)
2915 return retval;
2916
2917 target_t *target = get_current_target(cmd_ctx);
2918 breakpoint_remove(target, addr);
2919
2920 return ERROR_OK;
2921 }
2922
2923 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2924 {
2925 target_t *target = get_current_target(cmd_ctx);
2926
2927 if (argc == 0)
2928 {
2929 watchpoint_t *watchpoint = target->watchpoints;
2930
2931 while (watchpoint)
2932 {
2933 command_print(cmd_ctx,
2934 "address: 0x%8.8" PRIx32 ", len: 0x%8.8x, r/w/a: %i, value: 0x%8.8" PRIx32 ", mask: 0x%8.8" PRIx32 "",
2935 watchpoint->address,
2936 watchpoint->length,
2937 (int)(watchpoint->rw),
2938 watchpoint->value,
2939 watchpoint->mask);
2940 watchpoint = watchpoint->next;
2941 }
2942 return ERROR_OK;
2943 }
2944
2945 enum watchpoint_rw type = WPT_ACCESS;
2946 uint32_t addr = 0;
2947 uint32_t length = 0;
2948 uint32_t data_value = 0x0;
2949 uint32_t data_mask = 0xffffffff;
2950 int retval;
2951
2952 switch (argc)
2953 {
2954 case 5:
2955 retval = parse_u32(args[4], &data_mask);
2956 if (ERROR_OK != retval)
2957 return retval;
2958 // fall through
2959 case 4:
2960 retval = parse_u32(args[3], &data_value);
2961 if (ERROR_OK != retval)
2962 return retval;
2963 // fall through
2964 case 3:
2965 switch (args[2][0])
2966 {
2967 case 'r':
2968 type = WPT_READ;
2969 break;
2970 case 'w':
2971 type = WPT_WRITE;
2972 break;
2973 case 'a':
2974 type = WPT_ACCESS;
2975 break;
2976 default:
2977 LOG_ERROR("invalid watchpoint mode ('%c')", args[2][0]);
2978 return ERROR_COMMAND_SYNTAX_ERROR;
2979 }
2980 // fall through
2981 case 2:
2982 retval = parse_u32(args[1], &length);
2983 if (ERROR_OK != retval)
2984 return retval;
2985 retval = parse_u32(args[0], &addr);
2986 if (ERROR_OK != retval)
2987 return retval;
2988 break;
2989
2990 default:
2991 command_print(cmd_ctx, "usage: wp [address length "
2992 "[(r|w|a) [value [mask]]]]");
2993 return ERROR_COMMAND_SYNTAX_ERROR;
2994 }
2995
2996 retval = watchpoint_add(target, addr, length, type,
2997 data_value, data_mask);
2998 if (ERROR_OK != retval)
2999 LOG_ERROR("Failure setting watchpoints");
3000
3001 return retval;
3002 }
3003
3004 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
3005 {
3006 if (argc != 1)
3007 return ERROR_COMMAND_SYNTAX_ERROR;
3008
3009 uint32_t addr;
3010 int retval = parse_u32(args[0], &addr);
3011 if (ERROR_OK != retval)
3012 return retval;
3013
3014 target_t *target = get_current_target(cmd_ctx);
3015 watchpoint_remove(target, addr);
3016
3017 return ERROR_OK;
3018 }
3019
3020
3021 /**
3022 * Translate a virtual address to a physical address.
3023 *
3024 * The low-level target implementation must have logged a detailed error
3025 * which is forwarded to telnet/GDB session.
3026 */
3027 static int handle_virt2phys_command(command_context_t *cmd_ctx,
3028 char *cmd, char **args, int argc)
3029 {
3030 if (argc != 1)
3031 return ERROR_COMMAND_SYNTAX_ERROR;
3032
3033 uint32_t va;
3034 int retval = parse_u32(args[0], &va);
3035 if (ERROR_OK != retval)
3036 return retval;
3037 uint32_t pa;
3038
3039 target_t *target = get_current_target(cmd_ctx);
3040 retval = target->type->virt2phys(target, va, &pa);
3041 if (retval == ERROR_OK)
3042 command_print(cmd_ctx, "Physical address 0x%08" PRIx32 "", pa);
3043
3044 return retval;
3045 }
3046
3047 static void writeData(FILE *f, const void *data, size_t len)
3048 {
3049 size_t written = fwrite(data, 1, len, f);
3050 if (written != len)
3051 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
3052 }
3053
3054 static void writeLong(FILE *f, int l)
3055 {
3056 int i;
3057 for (i = 0; i < 4; i++)
3058 {
3059 char c = (l >> (i*8))&0xff;
3060 writeData(f, &c, 1);
3061 }
3062
3063 }
3064
3065 static void writeString(FILE *f, char *s)
3066 {
3067 writeData(f, s, strlen(s));
3068 }
3069
3070 /* Dump a gmon.out histogram file. */
3071 static void writeGmon(uint32_t *samples, uint32_t sampleNum, char *filename)
3072 {
3073 uint32_t i;
3074 FILE *f = fopen(filename, "w");
3075 if (f == NULL)
3076 return;
3077 writeString(f, "gmon");
3078 writeLong(f, 0x00000001); /* Version */
3079 writeLong(f, 0); /* padding */
3080 writeLong(f, 0); /* padding */
3081 writeLong(f, 0); /* padding */
3082
3083 uint8_t zero = 0; /* GMON_TAG_TIME_HIST */
3084 writeData(f, &zero, 1);
3085
3086 /* figure out bucket size */
3087 uint32_t min = samples[0];
3088 uint32_t max = samples[0];
3089 for (i = 0; i < sampleNum; i++)
3090 {
3091 if (min > samples[i])
3092 {
3093 min = samples[i];
3094 }
3095 if (max < samples[i])
3096 {
3097 max = samples[i];
3098 }
3099 }
3100
3101 int addressSpace = (max-min + 1);
3102
3103 static const uint32_t maxBuckets = 256 * 1024; /* maximum buckets. */
3104 uint32_t length = addressSpace;
3105 if (length > maxBuckets)
3106 {
3107 length = maxBuckets;
3108 }
3109 int *buckets = malloc(sizeof(int)*length);
3110 if (buckets == NULL)
3111 {
3112 fclose(f);
3113 return;
3114 }
3115 memset(buckets, 0, sizeof(int)*length);
3116 for (i = 0; i < sampleNum;i++)
3117 {
3118 uint32_t address = samples[i];
3119 long long a = address-min;
3120 long long b = length-1;
3121 long long c = addressSpace-1;
3122 int index = (a*b)/c; /* danger!!!! int32 overflows */
3123 buckets[index]++;
3124 }
3125
3126 /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
3127 writeLong(f, min); /* low_pc */
3128 writeLong(f, max); /* high_pc */
3129 writeLong(f, length); /* # of samples */
3130 writeLong(f, 64000000); /* 64MHz */
3131 writeString(f, "seconds");
3132 for (i = 0; i < (15-strlen("seconds")); i++)
3133 writeData(f, &zero, 1);
3134 writeString(f, "s");
3135
3136 /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
3137
3138 char *data = malloc(2*length);
3139 if (data != NULL)
3140 {
3141 for (i = 0; i < length;i++)
3142 {
3143 int val;
3144 val = buckets[i];
3145 if (val > 65535)
3146 {
3147 val = 65535;
3148 }
3149 data[i*2]=val&0xff;
3150 data[i*2 + 1]=(val >> 8)&0xff;
3151 }
3152 free(buckets);
3153 writeData(f, data, length * 2);
3154 free(data);
3155 } else
3156 {
3157 free(buckets);
3158 }
3159
3160 fclose(f);
3161 }
3162
3163 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
3164 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
3165 {
3166 target_t *target = get_current_target(cmd_ctx);
3167 struct timeval timeout, now;
3168
3169 gettimeofday(&timeout, NULL);
3170 if (argc != 2)
3171 {
3172 return ERROR_COMMAND_SYNTAX_ERROR;
3173 }
3174 unsigned offset;
3175 int retval = parse_uint(args[0], &offset);
3176 if (ERROR_OK != retval)
3177 return retval;
3178
3179 timeval_add_time(&timeout, offset, 0);
3180
3181 command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
3182
3183 static const int maxSample = 10000;
3184 uint32_t *samples = malloc(sizeof(uint32_t)*maxSample);
3185 if (samples == NULL)
3186 return ERROR_OK;
3187
3188 int numSamples = 0;
3189 /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
3190 reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
3191
3192 for (;;)
3193 {
3194 target_poll(target);
3195 if (target->state == TARGET_HALTED)
3196 {
3197 uint32_t t=*((uint32_t *)reg->value);
3198 samples[numSamples++]=t;
3199 retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3200 target_poll(target);
3201 alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
3202 } else if (target->state == TARGET_RUNNING)
3203 {
3204 /* We want to quickly sample the PC. */
3205 if ((retval = target_halt(target)) != ERROR_OK)
3206 {
3207 free(samples);
3208 return retval;
3209 }
3210 } else
3211 {
3212 command_print(cmd_ctx, "Target not halted or running");
3213 retval = ERROR_OK;
3214 break;
3215 }
3216 if (retval != ERROR_OK)
3217 {
3218 break;
3219 }
3220
3221 gettimeofday(&now, NULL);
3222 if ((numSamples >= maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
3223 {
3224 command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
3225 if ((retval = target_poll(target)) != ERROR_OK)
3226 {
3227 free(samples);
3228 return retval;
3229 }
3230 if (target->state == TARGET_HALTED)
3231 {
3232 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3233 }
3234 if ((retval = target_poll(target)) != ERROR_OK)
3235 {
3236 free(samples);
3237 return retval;
3238 }
3239 writeGmon(samples, numSamples, args[1]);
3240 command_print(cmd_ctx, "Wrote %s", args[1]);
3241 break;
3242 }
3243 }
3244 free(samples);
3245
3246 return ERROR_OK;
3247 }
3248
3249 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t val)
3250 {
3251 char *namebuf;
3252 Jim_Obj *nameObjPtr, *valObjPtr;
3253 int result;
3254
3255 namebuf = alloc_printf("%s(%d)", varname, idx);
3256 if (!namebuf)
3257 return JIM_ERR;
3258
3259 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3260 valObjPtr = Jim_NewIntObj(interp, val);
3261 if (!nameObjPtr || !valObjPtr)
3262 {
3263 free(namebuf);
3264 return JIM_ERR;
3265 }
3266
3267 Jim_IncrRefCount(nameObjPtr);
3268 Jim_IncrRefCount(valObjPtr);
3269 result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
3270 Jim_DecrRefCount(interp, nameObjPtr);
3271 Jim_DecrRefCount(interp, valObjPtr);
3272 free(namebuf);
3273 /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
3274 return result;
3275 }
3276
3277 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3278 {
3279 command_context_t *context;
3280 target_t *target;
3281
3282 context = Jim_GetAssocData(interp, "context");
3283 if (context == NULL)
3284 {
3285 LOG_ERROR("mem2array: no command context");
3286 return JIM_ERR;
3287 }
3288 target = get_current_target(context);
3289 if (target == NULL)
3290 {
3291 LOG_ERROR("mem2array: no current target");
3292 return JIM_ERR;
3293 }
3294
3295 return target_mem2array(interp, target, argc-1, argv + 1);
3296 }
3297
3298 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
3299 {
3300 long l;
3301 uint32_t width;
3302 int len;
3303 uint32_t addr;
3304 uint32_t count;
3305 uint32_t v;
3306 const char *varname;
3307 uint8_t buffer[4096];
3308 int n, e, retval;
3309 uint32_t i;
3310
3311 /* argv[1] = name of array to receive the data
3312 * argv[2] = desired width
3313 * argv[3] = memory address
3314 * argv[4] = count of times to read
3315 */
3316 if (argc != 4) {
3317 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3318 return JIM_ERR;
3319 }
3320 varname = Jim_GetString(argv[0], &len);
3321 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3322
3323 e = Jim_GetLong(interp, argv[1], &l);
3324 width = l;
3325 if (e != JIM_OK) {
3326 return e;
3327 }
3328
3329 e = Jim_GetLong(interp, argv[2], &l);
3330 addr = l;
3331 if (e != JIM_OK) {
3332 return e;
3333 }
3334 e = Jim_GetLong(interp, argv[3], &l);
3335 len = l;
3336 if (e != JIM_OK) {
3337 return e;
3338 }
3339 switch (width) {
3340 case 8:
3341 width = 1;
3342 break;
3343 case 16:
3344 width = 2;
3345 break;
3346 case 32:
3347 width = 4;
3348 break;
3349 default:
3350 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3351 Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3352 return JIM_ERR;
3353 }
3354 if (len == 0) {
3355 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3356 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
3357 return JIM_ERR;
3358 }
3359 if ((addr + (len * width)) < addr) {
3360 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3361 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
3362 return JIM_ERR;
3363 }
3364 /* absurd transfer size? */
3365 if (len > 65536) {
3366 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3367 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
3368 return JIM_ERR;
3369 }
3370
3371 if ((width == 1) ||
3372 ((width == 2) && ((addr & 1) == 0)) ||
3373 ((width == 4) && ((addr & 3) == 0))) {
3374 /* all is well */
3375 } else {
3376 char buf[100];
3377 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3378 sprintf(buf, "mem2array address: 0x%08" PRIx32 " is not aligned for %" PRId32 " byte reads",
3379 addr,
3380 width);
3381 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3382 return JIM_ERR;
3383 }
3384
3385 /* Transfer loop */
3386
3387 /* index counter */
3388 n = 0;
3389 /* assume ok */
3390 e = JIM_OK;
3391 while (len) {
3392 /* Slurp... in buffer size chunks */
3393
3394 count = len; /* in objects.. */
3395 if (count > (sizeof(buffer)/width)) {
3396 count = (sizeof(buffer)/width);
3397 }
3398
3399 retval = target_read_memory(target, addr, width, count, buffer);
3400 if (retval != ERROR_OK) {
3401 /* BOO !*/
3402 LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed",
3403 (unsigned int)addr,
3404 (int)width,
3405 (int)count);
3406 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3407 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
3408 e = JIM_ERR;
3409 len = 0;
3410 } else {
3411 v = 0; /* shut up gcc */
3412 for (i = 0 ;i < count ;i++, n++) {
3413 switch (width) {
3414 case 4:
3415 v = target_buffer_get_u32(target, &buffer[i*width]);
3416 break;
3417 case 2:
3418 v = target_buffer_get_u16(target, &buffer[i*width]);
3419 break;
3420 case 1:
3421 v = buffer[i] & 0x0ff;
3422 break;
3423 }
3424 new_int_array_element(interp, varname, n, v);
3425 }
3426 len -= count;
3427 }
3428 }
3429
3430 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3431
3432 return JIM_OK;
3433 }
3434
3435 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t *val)
3436 {
3437 char *namebuf;
3438 Jim_Obj *nameObjPtr, *valObjPtr;
3439 int result;
3440 long l;
3441
3442 namebuf = alloc_printf("%s(%d)", varname, idx);
3443 if (!namebuf)
3444 return JIM_ERR;
3445
3446 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3447 if (!nameObjPtr)
3448 {
3449 free(namebuf);
3450 return JIM_ERR;
3451 }
3452
3453 Jim_IncrRefCount(nameObjPtr);
3454 valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
3455 Jim_DecrRefCount(interp, nameObjPtr);
3456 free(namebuf);
3457 if (valObjPtr == NULL)
3458 return JIM_ERR;
3459
3460 result = Jim_GetLong(interp, valObjPtr, &l);
3461 /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
3462 *val = l;
3463 return result;
3464 }
3465
3466 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3467 {
3468 command_context_t *context;
3469 target_t *target;
3470
3471 context = Jim_GetAssocData(interp, "context");
3472 if (context == NULL) {
3473 LOG_ERROR("array2mem: no command context");
3474 return JIM_ERR;
3475 }
3476 target = get_current_target(context);
3477 if (target == NULL) {
3478 LOG_ERROR("array2mem: no current target");
3479 return JIM_ERR;
3480 }
3481
3482 return target_array2mem(interp,target, argc-1, argv + 1);
3483 }
3484 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
3485 {
3486 long l;
3487 uint32_t width;
3488 int len;
3489 uint32_t addr;
3490 uint32_t count;
3491 uint32_t v;
3492 const char *varname;
3493 uint8_t buffer[4096];
3494 int n, e, retval;
3495 uint32_t i;
3496
3497 /* argv[1] = name of array to get the data
3498 * argv[2] = desired width
3499 * argv[3] = memory address
3500 * argv[4] = count to write
3501 */
3502 if (argc != 4) {
3503 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3504 return JIM_ERR;
3505 }
3506 varname = Jim_GetString(argv[0], &len);
3507 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3508
3509 e = Jim_GetLong(interp, argv[1], &l);
3510 width = l;
3511 if (e != JIM_OK) {
3512 return e;
3513 }
3514
3515 e = Jim_GetLong(interp, argv[2], &l);
3516 addr = l;
3517 if (e != JIM_OK) {
3518 return e;
3519 }
3520 e = Jim_GetLong(interp, argv[3], &l);
3521 len = l;
3522 if (e != JIM_OK) {
3523 return e;
3524 }
3525 switch (width) {
3526 case 8:
3527 width = 1;
3528 break;
3529 case 16:
3530 width = 2;
3531 break;
3532 case 32:
3533 width = 4;
3534 break;
3535 default:
3536 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3537 Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3538 return JIM_ERR;
3539 }
3540 if (len == 0) {
3541 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3542 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
3543 return JIM_ERR;
3544 }
3545 if ((addr + (len * width)) < addr) {
3546 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3547 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
3548 return JIM_ERR;
3549 }
3550 /* absurd transfer size? */
3551 if (len > 65536) {
3552 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3553 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
3554 return JIM_ERR;
3555 }
3556
3557 if ((width == 1) ||
3558 ((width == 2) && ((addr & 1) == 0)) ||
3559 ((width == 4) && ((addr & 3) == 0))) {
3560 /* all is well */
3561 } else {
3562 char buf[100];
3563 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3564 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads",
3565 (unsigned int)addr,
3566 (int)width);
3567 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3568 return JIM_ERR;
3569 }
3570
3571 /* Transfer loop */
3572
3573 /* index counter */
3574 n = 0;
3575 /* assume ok */
3576 e = JIM_OK;
3577 while (len) {
3578 /* Slurp... in buffer size chunks */
3579
3580 count = len; /* in objects.. */
3581 if (count > (sizeof(buffer)/width)) {
3582 count = (sizeof(buffer)/width);
3583 }
3584
3585 v = 0; /* shut up gcc */
3586 for (i = 0 ;i < count ;i++, n++) {
3587 get_int_array_element(interp, varname, n, &v);
3588 switch (width) {
3589 case 4:
3590 target_buffer_set_u32(target, &buffer[i*width], v);
3591 break;
3592 case 2:
3593 target_buffer_set_u16(target, &buffer[i*width], v);
3594 break;
3595 case 1:
3596 buffer[i] = v & 0x0ff;
3597 break;
3598 }
3599 }
3600 len -= count;
3601
3602 retval = target_write_memory(target, addr, width, count, buffer);
3603 if (retval != ERROR_OK) {
3604 /* BOO !*/
3605 LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed",
3606 (unsigned int)addr,
3607 (int)width,
3608 (int)count);
3609 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3610 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3611 e = JIM_ERR;
3612 len = 0;
3613 }
3614 }
3615
3616 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3617
3618 return JIM_OK;
3619 }
3620
3621 void target_all_handle_event(enum target_event e)
3622 {
3623 target_t *target;
3624
3625 LOG_DEBUG("**all*targets: event: %d, %s",
3626 (int)e,
3627 Jim_Nvp_value2name_simple(nvp_target_event, e)->name);
3628
3629 target = all_targets;
3630 while (target) {
3631 target_handle_event(target, e);
3632 target = target->next;
3633 }
3634 }
3635
3636
3637 /* FIX? should we propagate errors here rather than printing them
3638 * and continuing?
3639 */
3640 void target_handle_event(target_t *target, enum target_event e)
3641 {
3642 target_event_action_t *teap;
3643
3644 for (teap = target->event_action; teap != NULL; teap = teap->next) {
3645 if (teap->event == e) {
3646 LOG_DEBUG("target: (%d) %s (%s) event: %d (%s) action: %s",
3647 target->target_number,
3648 target->cmd_name,
3649 target_get_name(target),
3650 e,
3651 Jim_Nvp_value2name_simple(nvp_target_event, e)->name,
3652 Jim_GetString(teap->body, NULL));
3653 if (Jim_EvalObj(interp, teap->body) != JIM_OK)
3654 {
3655 Jim_PrintErrorMessage(interp);
3656 }
3657 }
3658 }
3659 }
3660
3661 enum target_cfg_param {
3662 TCFG_TYPE,
3663 TCFG_EVENT,
3664 TCFG_WORK_AREA_VIRT,
3665 TCFG_WORK_AREA_PHYS,
3666 TCFG_WORK_AREA_SIZE,
3667 TCFG_WORK_AREA_BACKUP,
3668 TCFG_ENDIAN,
3669 TCFG_VARIANT,
3670 TCFG_CHAIN_POSITION,
3671 };
3672
3673 static Jim_Nvp nvp_config_opts[] = {
3674 { .name = "-type", .value = TCFG_TYPE },
3675 { .name = "-event", .value = TCFG_EVENT },
3676 { .name = "-work-area-virt", .value = TCFG_WORK_AREA_VIRT },
3677 { .name = "-work-area-phys", .value = TCFG_WORK_AREA_PHYS },
3678 { .name = "-work-area-size", .value = TCFG_WORK_AREA_SIZE },
3679 { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3680 { .name = "-endian" , .value = TCFG_ENDIAN },
3681 { .name = "-variant", .value = TCFG_VARIANT },
3682 { .name = "-chain-position", .value = TCFG_CHAIN_POSITION },
3683
3684 { .name = NULL, .value = -1 }
3685 };
3686
3687 static int target_configure(Jim_GetOptInfo *goi, target_t *target)
3688 {
3689 Jim_Nvp *n;
3690 Jim_Obj *o;
3691 jim_wide w;
3692 char *cp;
3693 int e;
3694
3695 /* parse config or cget options ... */
3696 while (goi->argc > 0) {
3697 Jim_SetEmptyResult(goi->interp);
3698 /* Jim_GetOpt_Debug(goi); */
3699
3700 if (target->type->target_jim_configure) {
3701 /* target defines a configure function */
3702 /* target gets first dibs on parameters */
3703 e = (*(target->type->target_jim_configure))(target, goi);
3704 if (e == JIM_OK) {
3705 /* more? */
3706 continue;
3707 }
3708 if (e == JIM_ERR) {
3709 /* An error */
3710 return e;
3711 }
3712 /* otherwise we 'continue' below */
3713 }
3714 e = Jim_GetOpt_Nvp(goi, nvp_config_opts, &n);
3715 if (e != JIM_OK) {
3716 Jim_GetOpt_NvpUnknown(goi, nvp_config_opts, 0);
3717 return e;
3718 }
3719 switch (n->value) {
3720 case TCFG_TYPE:
3721 /* not setable */
3722 if (goi->isconfigure) {
3723 Jim_SetResult_sprintf(goi->interp, "not setable: %s", n->name);
3724 return JIM_ERR;
3725 } else {
3726 no_params:
3727 if (goi->argc != 0) {
3728 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "NO PARAMS");
3729 return JIM_ERR;
3730 }
3731 }
3732 Jim_SetResultString(goi->interp, target_get_name(target), -1);
3733 /* loop for more */
3734 break;
3735 case TCFG_EVENT:
3736 if (goi->argc == 0) {
3737 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3738 return JIM_ERR;
3739 }
3740
3741 e = Jim_GetOpt_Nvp(goi, nvp_target_event, &n);
3742 if (e != JIM_OK) {
3743 Jim_GetOpt_NvpUnknown(goi, nvp_target_event, 1);
3744 return e;
3745 }
3746
3747 if (goi->isconfigure) {
3748 if (goi->argc != 1) {
3749 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3750 return JIM_ERR;
3751 }
3752 } else {
3753 if (goi->argc != 0) {
3754 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3755 return JIM_ERR;
3756 }
3757 }
3758
3759 {
3760 target_event_action_t *teap;
3761
3762 teap = target->event_action;
3763 /* replace existing? */
3764 while (teap) {
3765 if (teap->event == (enum target_event)n->value) {
3766 break;
3767 }
3768 teap = teap->next;
3769 }
3770
3771 if (goi->isconfigure) {
3772 bool replace = true;
3773 if (teap == NULL) {
3774 /* create new */
3775 teap = calloc(1, sizeof(*teap));
3776 replace = false;
3777 }
3778 teap->event = n->value;
3779 Jim_GetOpt_Obj(goi, &o);
3780 if (teap->body) {
3781 Jim_DecrRefCount(interp, teap->body);
3782 }
3783 teap->body = Jim_DuplicateObj(goi->interp, o);
3784 /*
3785 * FIXME:
3786 * Tcl/TK - "tk events" have a nice feature.
3787 * See the "BIND" command.
3788 * We should support that here.
3789 * You can specify %X and %Y in the event code.
3790 * The idea is: %T - target name.
3791 * The idea is: %N - target number
3792 * The idea is: %E - event name.
3793 */
3794 Jim_IncrRefCount(teap->body);
3795
3796 if (!replace)
3797 {
3798 /* add to head of event list */
3799 teap->next = target->event_action;
3800 target->event_action = teap;
3801 }
3802 Jim_SetEmptyResult(goi->interp);
3803 } else {
3804 /* get */
3805 if (teap == NULL) {
3806 Jim_SetEmptyResult(goi->interp);
3807 } else {
3808 Jim_SetResult(goi->interp, Jim_DuplicateObj(goi->interp, teap->body));
3809 }
3810 }
3811 }
3812 /* loop for more */
3813 break;
3814
3815 case TCFG_WORK_AREA_VIRT:
3816 if (goi->isconfigure) {
3817 target_free_all_working_areas(target);
3818 e = Jim_GetOpt_Wide(goi, &w);
3819 if (e != JIM_OK) {
3820 return e;
3821 }
3822 target->working_area_virt = w;
3823 target->working_area_virt_spec = true;
3824 } else {
3825 if (goi->argc != 0) {
3826 goto no_params;
3827 }
3828 }
3829 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_virt));
3830 /* loop for more */
3831 break;
3832
3833 case TCFG_WORK_AREA_PHYS:
3834 if (goi->isconfigure) {
3835 target_free_all_working_areas(target);
3836 e = Jim_GetOpt_Wide(goi, &w);
3837 if (e != JIM_OK) {
3838 return e;
3839 }
3840 target->working_area_phys = w;
3841 target->working_area_phys_spec = true;
3842 } else {
3843 if (goi->argc != 0) {
3844 goto no_params;
3845 }
3846 }
3847 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_phys));
3848 /* loop for more */
3849 break;
3850
3851 case TCFG_WORK_AREA_SIZE:
3852 if (goi->isconfigure) {
3853 target_free_all_working_areas(target);
3854 e = Jim_GetOpt_Wide(goi, &w);
3855 if (e != JIM_OK) {
3856 return e;
3857 }
3858 target->working_area_size = w;
3859 } else {
3860 if (goi->argc != 0) {
3861 goto no_params;
3862 }
3863 }
3864 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_size));
3865 /* loop for more */
3866 break;
3867
3868 case TCFG_WORK_AREA_BACKUP:
3869 if (goi->isconfigure) {
3870 target_free_all_working_areas(target);
3871 e = Jim_GetOpt_Wide(goi, &w);
3872 if (e != JIM_OK) {
3873 return e;
3874 }
3875 /* make this exactly 1 or 0 */
3876 target->backup_working_area = (!!w);
3877 } else {
3878 if (goi->argc != 0) {
3879 goto no_params;
3880 }
3881 }
3882 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->backup_working_area));
3883 /* loop for more e*/
3884 break;
3885
3886 case TCFG_ENDIAN:
3887 if (goi->isconfigure) {
3888 e = Jim_GetOpt_Nvp(goi, nvp_target_endian, &n);
3889 if (e != JIM_OK) {
3890 Jim_GetOpt_NvpUnknown(goi, nvp_target_endian, 1);
3891 return e;
3892 }
3893 target->endianness = n->value;
3894 } else {
3895 if (goi->argc != 0) {
3896 goto no_params;
3897 }
3898 }
3899 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
3900 if (n->name == NULL) {
3901 target->endianness = TARGET_LITTLE_ENDIAN;
3902 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
3903 }
3904 Jim_SetResultString(goi->interp, n->name, -1);
3905 /* loop for more */
3906 break;
3907
3908 case TCFG_VARIANT:
3909 if (goi->isconfigure) {
3910 if (goi->argc < 1) {
3911 Jim_SetResult_sprintf(goi->interp,
3912 "%s ?STRING?",
3913 n->name);
3914 return JIM_ERR;
3915 }
3916 if (target->variant) {
3917 free((void *)(target->variant));
3918 }
3919 e = Jim_GetOpt_String(goi, &cp, NULL);
3920 target->variant = strdup(cp);
3921 } else {
3922 if (goi->argc != 0) {
3923 goto no_params;
3924 }
3925 }
3926 Jim_SetResultString(goi->interp, target->variant,-1);
3927 /* loop for more */
3928 break;
3929 case TCFG_CHAIN_POSITION:
3930 if (goi->isconfigure) {
3931 Jim_Obj *o;
3932 jtag_tap_t *tap;
3933 target_free_all_working_areas(target);
3934 e = Jim_GetOpt_Obj(goi, &o);
3935 if (e != JIM_OK) {
3936 return e;
3937 }
3938 tap = jtag_tap_by_jim_obj(goi->interp, o);
3939 if (tap == NULL) {
3940 return JIM_ERR;
3941 }
3942 /* make this exactly 1 or 0 */
3943 target->tap = tap;
3944 } else {
3945 if (goi->argc != 0) {
3946 goto no_params;
3947 }
3948 }
3949 Jim_SetResultString(interp, target->tap->dotted_name, -1);
3950 /* loop for more e*/
3951 break;
3952 }
3953 } /* while (goi->argc) */
3954
3955
3956 /* done - we return */
3957 return JIM_OK;
3958 }
3959
3960 /** this is the 'tcl' handler for the target specific command */
3961 static int tcl_target_func(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3962 {
3963 Jim_GetOptInfo goi;
3964 jim_wide a,b,c;
3965 int x,y,z;
3966 uint8_t target_buf[32];
3967 Jim_Nvp *n;
3968 target_t *target;
3969 struct command_context_s *cmd_ctx;
3970 int e;
3971
3972 enum {
3973 TS_CMD_CONFIGURE,
3974 TS_CMD_CGET,
3975
3976 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3977 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3978 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3979 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3980 TS_CMD_EXAMINE,
3981 TS_CMD_POLL,
3982 TS_CMD_RESET,
3983 TS_CMD_HALT,
3984 TS_CMD_WAITSTATE,
3985 TS_CMD_EVENTLIST,
3986 TS_CMD_CURSTATE,
3987 TS_CMD_INVOKE_EVENT,
3988 };
3989
3990 static const Jim_Nvp target_options[] = {
3991 { .name = "configure", .value = TS_CMD_CONFIGURE },
3992 { .name = "cget", .value = TS_CMD_CGET },
3993 { .name = "mww", .value = TS_CMD_MWW },
3994 { .name = "mwh", .value = TS_CMD_MWH },
3995 { .name = "mwb", .value = TS_CMD_MWB },
3996 { .name = "mdw", .value = TS_CMD_MDW },
3997 { .name = "mdh", .value = TS_CMD_MDH },
3998 { .name = "mdb", .value = TS_CMD_MDB },
3999 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
4000 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
4001 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
4002 { .name = "curstate", .value = TS_CMD_CURSTATE },
4003
4004 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
4005 { .name = "arp_poll", .value = TS_CMD_POLL },
4006 { .name = "arp_reset", .value = TS_CMD_RESET },
4007 { .name = "arp_halt", .value = TS_CMD_HALT },
4008 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
4009 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
4010
4011 { .name = NULL, .value = -1 },
4012 };
4013
4014 /* go past the "command" */
4015 Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
4016
4017 target = Jim_CmdPrivData(goi.interp);
4018 cmd_ctx = Jim_GetAssocData(goi.interp, "context");
4019
4020 /* commands here are in an NVP table */
4021 e = Jim_GetOpt_Nvp(&goi, target_options, &n);
4022 if (e != JIM_OK) {
4023 Jim_GetOpt_NvpUnknown(&goi, target_options, 0);
4024 return e;
4025 }
4026 /* Assume blank result */
4027 Jim_SetEmptyResult(goi.interp);
4028
4029 switch (n->value) {
4030 case TS_CMD_CONFIGURE:
4031 if (goi.argc < 2) {
4032 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
4033 return JIM_ERR;
4034 }
4035 goi.isconfigure = 1;
4036 return target_configure(&goi, target);
4037 case TS_CMD_CGET:
4038 // some things take params
4039 if (goi.argc < 1) {
4040 Jim_WrongNumArgs(goi.interp, 0, goi.argv, "missing: ?-option?");
4041 return JIM_ERR;
4042 }
4043 goi.isconfigure = 0;
4044 return target_configure(&goi, target);
4045 break;
4046 case TS_CMD_MWW:
4047 case TS_CMD_MWH:
4048 case TS_CMD_MWB:
4049 /* argv[0] = cmd
4050 * argv[1] = address
4051 * argv[2] = data
4052 * argv[3] = optional count.
4053 */
4054
4055 if ((goi.argc == 2) || (goi.argc == 3)) {
4056 /* all is well */
4057 } else {
4058 mwx_error:
4059 Jim_SetResult_sprintf(goi.interp, "expected: %s ADDR DATA [COUNT]", n->name);
4060 return JIM_ERR;
4061 }
4062
4063 e = Jim_GetOpt_Wide(&goi, &a);
4064 if (e != JIM_OK) {
4065 goto mwx_error;
4066 }
4067
4068 e = Jim_GetOpt_Wide(&goi, &b);
4069 if (e != JIM_OK) {
4070 goto mwx_error;
4071 }
4072 if (goi.argc == 3) {
4073 e = Jim_GetOpt_Wide(&goi, &c);
4074 if (e != JIM_OK) {
4075 goto mwx_error;
4076 }
4077 } else {
4078 c = 1;
4079 }
4080
4081 switch (n->value) {
4082 case TS_CMD_MWW:
4083 target_buffer_set_u32(target, target_buf, b);
4084 b = 4;
4085 break;
4086 case TS_CMD_MWH:
4087 target_buffer_set_u16(target, target_buf, b);
4088 b = 2;
4089 break;
4090 case TS_CMD_MWB:
4091 target_buffer_set_u8(target, target_buf, b);
4092 b = 1;
4093 break;
4094 }
4095 for (x = 0 ; x < c ; x++) {
4096 e = target_write_memory(target, a, b, 1, target_buf);
4097 if (e != ERROR_OK) {
4098 Jim_SetResult_sprintf(interp, "Error writing @ 0x%08x: %d\n", (int)(a), e);
4099 return JIM_ERR;
4100 }
4101 /* b = width */
4102 a = a + b;
4103 }
4104 return JIM_OK;
4105 break;
4106
4107 /* display */
4108 case TS_CMD_MDW:
4109 case TS_CMD_MDH:
4110 case TS_CMD_MDB:
4111 /* argv[0] = command
4112 * argv[1] = address
4113 * argv[2] = optional count
4114 */
4115 if ((goi.argc == 2) || (goi.argc == 3)) {
4116 Jim_SetResult_sprintf(goi.interp, "expected: %s ADDR [COUNT]", n->name);
4117 return JIM_ERR;
4118 }
4119 e = Jim_GetOpt_Wide(&goi, &a);
4120 if (e != JIM_OK) {
4121 return JIM_ERR;
4122 }
4123 if (goi.argc) {
4124 e = Jim_GetOpt_Wide(&goi, &c);
4125 if (e != JIM_OK) {
4126 return JIM_ERR;
4127 }
4128 } else {
4129 c = 1;
4130 }
4131 b = 1; /* shut up gcc */
4132 switch (n->value) {
4133 case TS_CMD_MDW:
4134 b = 4;
4135 break;
4136 case TS_CMD_MDH:
4137 b = 2;
4138 break;
4139 case TS_CMD_MDB:
4140 b = 1;
4141 break;
4142 }
4143
4144 /* convert to "bytes" */
4145 c = c * b;
4146 /* count is now in 'BYTES' */
4147 while (c > 0) {
4148 y = c;
4149 if (y > 16) {
4150 y = 16;
4151 }
4152 e = target_read_memory(target, a, b, y / b, target_buf);
4153 if (e != ERROR_OK) {
4154 Jim_SetResult_sprintf(interp, "error reading target @ 0x%08lx", (int)(a));
4155 return JIM_ERR;
4156 }
4157
4158 Jim_fprintf(interp, interp->cookie_stdout, "0x%08x ", (int)(a));
4159 switch (b) {
4160 case 4:
4161 for (x = 0 ; (x < 16) && (x < y) ; x += 4) {
4162 z = target_buffer_get_u32(target, &(target_buf[ x * 4 ]));
4163 Jim_fprintf(interp, interp->cookie_stdout, "%08x ", (int)(z));
4164 }
4165 for (; (x < 16) ; x += 4) {
4166 Jim_fprintf(interp, interp->cookie_stdout, " ");
4167 }
4168 break;
4169 case 2:
4170 for (x = 0 ; (x < 16) && (x < y) ; x += 2) {
4171 z = target_buffer_get_u16(target, &(target_buf[ x * 2 ]));
4172 Jim_fprintf(interp, interp->cookie_stdout, "%04x ", (int)(z));
4173 }
4174 for (; (x < 16) ; x += 2) {
4175 Jim_fprintf(interp, interp->cookie_stdout, " ");
4176 }
4177 break;
4178 case 1:
4179 default:
4180 for (x = 0 ; (x < 16) && (x < y) ; x += 1) {
4181 z = target_buffer_get_u8(target, &(target_buf[ x * 4 ]));
4182 Jim_fprintf(interp, interp->cookie_stdout, "%02x ", (int)(z));
4183 }
4184 for (; (x < 16) ; x += 1) {
4185 Jim_fprintf(interp, interp->cookie_stdout, " ");
4186 }
4187 break;
4188 }
4189 /* ascii-ify the bytes */
4190 for (x = 0 ; x < y ; x++) {
4191 if ((target_buf[x] >= 0x20) &&
4192 (target_buf[x] <= 0x7e)) {
4193 /* good */
4194 } else {
4195 /* smack it */
4196 target_buf[x] = '.';
4197 }
4198 }
4199 /* space pad */
4200 while (x < 16) {
4201 target_buf[x] = ' ';
4202 x++;
4203 }
4204 /* terminate */
4205 target_buf[16] = 0;
4206 /* print - with a newline */
4207 Jim_fprintf(interp, interp->cookie_stdout, "%s\n", target_buf);
4208 /* NEXT... */
4209 c -= 16;
4210 a += 16;
4211 }
4212 return JIM_OK;
4213 case TS_CMD_MEM2ARRAY:
4214 return target_mem2array(goi.interp, target, goi.argc, goi.argv);
4215 break;
4216 case TS_CMD_ARRAY2MEM:
4217 return target_array2mem(goi.interp, target, goi.argc, goi.argv);
4218 break;
4219 case TS_CMD_EXAMINE:
4220 if (goi.argc) {
4221 Jim_WrongNumArgs(goi.interp, 2, argv, "[no parameters]");
4222 return JIM_ERR;
4223 }
4224 if (!target->tap->enabled)
4225 goto err_tap_disabled;
4226 e = target->type->examine(target);
4227 if (e != ERROR_OK) {
4228 Jim_SetResult_sprintf(interp, "examine-fails: %d", e);
4229 return JIM_ERR;
4230 }
4231 return JIM_OK;
4232 case TS_CMD_POLL:
4233 if (goi.argc) {
4234 Jim_WrongNumArgs(goi.interp, 2, argv, "[no parameters]");
4235 return JIM_ERR;
4236 }
4237 if (!target->tap->enabled)
4238 goto err_tap_disabled;
4239 if (!(target_was_examined(target))) {
4240 e = ERROR_TARGET_NOT_EXAMINED;
4241 } else {
4242 e = target->type->poll(target);
4243 }
4244 if (e != ERROR_OK) {
4245 Jim_SetResult_sprintf(interp, "poll-fails: %d", e);
4246 return JIM_ERR;
4247 } else {
4248 return JIM_OK;
4249 }
4250 break;
4251 case TS_CMD_RESET:
4252 if (goi.argc != 2) {
4253 Jim_WrongNumArgs(interp, 2, argv,
4254 "([tT]|[fF]|assert|deassert) BOOL");
4255 return JIM_ERR;
4256 }
4257 e = Jim_GetOpt_Nvp(&goi, nvp_assert, &n);
4258 if (e != JIM_OK) {
4259 Jim_GetOpt_NvpUnknown(&goi, nvp_assert, 1);
4260 return e;
4261 }
4262 /* the halt or not param */
4263 e = Jim_GetOpt_Wide(&goi, &a);
4264 if (e != JIM_OK) {
4265 return e;
4266 }
4267 if (!target->tap->enabled)
4268 goto err_tap_disabled;
4269 if (!target->type->assert_reset
4270 || !target->type->deassert_reset) {
4271 Jim_SetResult_sprintf(interp,
4272 "No target-specific reset for %s",
4273 target->cmd_name);
4274 return JIM_ERR;
4275 }
4276 /* determine if we should halt or not. */
4277 target->reset_halt = !!a;
4278 /* When this happens - all workareas are invalid. */
4279 target_free_all_working_areas_restore(target, 0);
4280
4281 /* do the assert */
4282 if (n->value == NVP_ASSERT) {
4283 e = target->type->assert_reset(target);
4284 } else {
4285 e = target->type->deassert_reset(target);
4286 }
4287 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4288 case TS_CMD_HALT:
4289 if (goi.argc) {
4290 Jim_WrongNumArgs(goi.interp, 0, argv, "halt [no parameters]");
4291 return JIM_ERR;
4292 }
4293 if (!target->tap->enabled)
4294 goto err_tap_disabled;
4295 e = target->type->halt(target);
4296 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4297 case TS_CMD_WAITSTATE:
4298 /* params: <name> statename timeoutmsecs */
4299 if (goi.argc != 2) {
4300 Jim_SetResult_sprintf(goi.interp, "%s STATENAME TIMEOUTMSECS", n->name);
4301 return JIM_ERR;
4302 }
4303 e = Jim_GetOpt_Nvp(&goi, nvp_target_state, &n);
4304 if (e != JIM_OK) {
4305 Jim_GetOpt_NvpUnknown(&goi, nvp_target_state,1);
4306 return e;
4307 }
4308 e = Jim_GetOpt_Wide(&goi, &a);
4309 if (e != JIM_OK) {
4310 return e;
4311 }
4312 if (!target->tap->enabled)
4313 goto err_tap_disabled;
4314 e = target_wait_state(target, n->value, a);
4315 if (e != ERROR_OK) {
4316 Jim_SetResult_sprintf(goi.interp,
4317 "target: %s wait %s fails (%d) %s",
4318 target->cmd_name,
4319 n->name,
4320 e, target_strerror_safe(e));
4321 return JIM_ERR;
4322 } else {
4323 return JIM_OK;
4324 }
4325 case TS_CMD_EVENTLIST:
4326 /* List for human, Events defined for this target.
4327 * scripts/programs should use 'name cget -event NAME'
4328 */
4329 {
4330 target_event_action_t *teap;
4331 teap = target->event_action;
4332 command_print(cmd_ctx, "Event actions for target (%d) %s\n",
4333 target->target_number,
4334 target->cmd_name);
4335 command_print(cmd_ctx, "%-25s | Body", "Event");
4336 command_print(cmd_ctx, "------------------------- | ----------------------------------------");
4337 while (teap) {
4338 command_print(cmd_ctx,
4339 "%-25s | %s",
4340 Jim_Nvp_value2name_simple(nvp_target_event, teap->event)->name,
4341 Jim_GetString(teap->body, NULL));
4342 teap = teap->next;
4343 }
4344 command_print(cmd_ctx, "***END***");
4345 return JIM_OK;
4346 }
4347 case TS_CMD_CURSTATE:
4348 if (goi.argc != 0) {
4349 Jim_WrongNumArgs(goi.interp, 0, argv, "[no parameters]");
4350 return JIM_ERR;
4351 }
4352 Jim_SetResultString(goi.interp,
4353 target_state_name( target ),
4354 -1);
4355 return JIM_OK;
4356 case TS_CMD_INVOKE_EVENT:
4357 if (goi.argc != 1) {
4358 Jim_SetResult_sprintf(goi.interp, "%s ?EVENTNAME?",n->name);
4359 return JIM_ERR;
4360 }
4361 e = Jim_GetOpt_Nvp(&goi, nvp_target_event, &n);
4362 if (e != JIM_OK) {
4363 Jim_GetOpt_NvpUnknown(&goi, nvp_target_event, 1);
4364 return e;
4365 }
4366 target_handle_event(target, n->value);
4367 return JIM_OK;
4368 }
4369 return JIM_ERR;
4370
4371 err_tap_disabled:
4372 Jim_SetResult_sprintf(interp, "[TAP is disabled]");
4373 return JIM_ERR;
4374 }
4375
4376 static int target_create(Jim_GetOptInfo *goi)
4377 {
4378 Jim_Obj *new_cmd;
4379 Jim_Cmd *cmd;
4380 const char *cp;
4381 char *cp2;
4382 int e;
4383 int x;
4384 target_t *target;
4385 struct command_context_s *cmd_ctx;
4386
4387 cmd_ctx = Jim_GetAssocData(goi->interp, "context");
4388 if (goi->argc < 3) {
4389 Jim_WrongNumArgs(goi->interp, 1, goi->argv, "?name? ?type? ..options...");
4390 return JIM_ERR;
4391 }
4392
4393 /* COMMAND */
4394 Jim_GetOpt_Obj(goi, &new_cmd);
4395 /* does this command exist? */
4396 cmd = Jim_GetCommand(goi->interp, new_cmd, JIM_ERRMSG);
4397 if (cmd) {
4398 cp = Jim_GetString(new_cmd, NULL);
4399 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
4400 return JIM_ERR;
4401 }
4402
4403 /* TYPE */
4404 e = Jim_GetOpt_String(goi, &cp2, NULL);
4405 cp = cp2;
4406 /* now does target type exist */
4407 for (x = 0 ; target_types[x] ; x++) {
4408 if (0 == strcmp(cp, target_types[x]->name)) {
4409 /* found */
4410 break;
4411 }
4412 }
4413 if (target_types[x] == NULL) {
4414 Jim_SetResult_sprintf(goi->interp, "Unknown target type %s, try one of ", cp);
4415 for (x = 0 ; target_types[x] ; x++) {
4416 if (target_types[x + 1]) {
4417 Jim_AppendStrings(goi->interp,
4418 Jim_GetResult(goi->interp),
4419 target_types[x]->name,
4420 ", ", NULL);
4421 } else {
4422 Jim_AppendStrings(goi->interp,
4423 Jim_GetResult(goi->interp),
4424 " or ",
4425 target_types[x]->name,NULL);
4426 }
4427 }
4428 return JIM_ERR;
4429 }
4430
4431 /* Create it */
4432 target = calloc(1,sizeof(target_t));
4433 /* set target number */
4434 target->target_number = new_target_number();
4435
4436 /* allocate memory for each unique target type */
4437 target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
4438
4439 memcpy(target->type, target_types[x], sizeof(target_type_t));
4440
4441 /* will be set by "-endian" */
4442 target->endianness = TARGET_ENDIAN_UNKNOWN;
4443
4444 target->working_area = 0x0;
4445 target->working_area_size = 0x0;
4446 target->working_areas = NULL;
4447 target->backup_working_area = 0;
4448
4449 target->state = TARGET_UNKNOWN;
4450 target->debug_reason = DBG_REASON_UNDEFINED;
4451 target->reg_cache = NULL;
4452 target->breakpoints = NULL;
4453 target->watchpoints = NULL;
4454 target->next = NULL;
4455 target->arch_info = NULL;
4456
4457 target->display = 1;
4458
4459 target->halt_issued = false;
4460
4461 /* initialize trace information */
4462 target->trace_info = malloc(sizeof(trace_t));
4463 target->trace_info->num_trace_points = 0;
4464 target->trace_info->trace_points_size = 0;
4465 target->trace_info->trace_points = NULL;
4466 target->trace_info->trace_history_size = 0;
4467 target->trace_info->trace_history = NULL;
4468 target->trace_info->trace_history_pos = 0;
4469 target->trace_info->trace_history_overflowed = 0;
4470
4471 target->dbgmsg = NULL;
4472 target->dbg_msg_enabled = 0;
4473
4474 target->endianness = TARGET_ENDIAN_UNKNOWN;
4475
4476 /* Do the rest as "configure" options */
4477 goi->isconfigure = 1;
4478 e = target_configure(goi, target);
4479
4480 if (target->tap == NULL)
4481 {
4482 Jim_SetResultString(interp, "-chain-position required when creating target", -1);
4483 e = JIM_ERR;
4484 }
4485
4486 if (e != JIM_OK) {
4487 free(target->type);
4488 free(target);
4489 return e;
4490 }
4491
4492 if (target->endianness == TARGET_ENDIAN_UNKNOWN) {
4493 /* default endian to little if not specified */
4494 target->endianness = TARGET_LITTLE_ENDIAN;
4495 }
4496
4497 /* incase variant is not set */
4498 if (!target->variant)
4499 target->variant = strdup("");
4500
4501 /* create the target specific commands */
4502 if (target->type->register_commands) {
4503 (*(target->type->register_commands))(cmd_ctx);
4504 }
4505 if (target->type->target_create) {
4506 (*(target->type->target_create))(target, goi->interp);
4507 }
4508
4509 /* append to end of list */
4510 {
4511 target_t **tpp;
4512 tpp = &(all_targets);
4513 while (*tpp) {
4514 tpp = &((*tpp)->next);
4515 }
4516 *tpp = target;
4517 }
4518
4519 cp = Jim_GetString(new_cmd, NULL);
4520 target->cmd_name = strdup(cp);
4521
4522 /* now - create the new target name command */
4523 e = Jim_CreateCommand(goi->interp,
4524 /* name */
4525 cp,
4526 tcl_target_func, /* C function */
4527 target, /* private data */
4528 NULL); /* no del proc */
4529
4530 return e;
4531 }
4532
4533 static int jim_target(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4534 {
4535 int x,r,e;
4536 jim_wide w;
4537 struct command_context_s *cmd_ctx;
4538 target_t *target;
4539 Jim_GetOptInfo goi;
4540 enum tcmd {
4541 /* TG = target generic */
4542 TG_CMD_CREATE,
4543 TG_CMD_TYPES,
4544 TG_CMD_NAMES,
4545 TG_CMD_CURRENT,
4546 TG_CMD_NUMBER,
4547 TG_CMD_COUNT,
4548 };
4549 const char *target_cmds[] = {
4550 "create", "types", "names", "current", "number",
4551 "count",
4552 NULL /* terminate */
4553 };
4554
4555 LOG_DEBUG("Target command params:");
4556 LOG_DEBUG("%s", Jim_Debug_ArgvString(interp, argc, argv));
4557
4558 cmd_ctx = Jim_GetAssocData(interp, "context");
4559
4560 Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
4561
4562 if (goi.argc == 0) {
4563 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
4564 return JIM_ERR;
4565 }
4566
4567 /* Jim_GetOpt_Debug(&goi); */
4568 r = Jim_GetOpt_Enum(&goi, target_cmds, &x);
4569 if (r != JIM_OK) {
4570 return r;
4571 }
4572
4573 switch (x) {
4574 default:
4575 Jim_Panic(goi.interp,"Why am I here?");
4576 return JIM_ERR;
4577 case TG_CMD_CURRENT:
4578 if (goi.argc != 0) {
4579 Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4580 return JIM_ERR;
4581 }
4582 Jim_SetResultString(goi.interp, get_current_target(cmd_ctx)->cmd_name, -1);
4583 return JIM_OK;
4584 case TG_CMD_TYPES:
4585 if (goi.argc != 0) {
4586 Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4587 return JIM_ERR;
4588 }
4589 Jim_SetResult(goi.interp, Jim_NewListObj(goi.interp, NULL, 0));
4590 for (x = 0 ; target_types[x] ; x++) {
4591 Jim_ListAppendElement(goi.interp,
4592 Jim_GetResult(goi.interp),
4593 Jim_NewStringObj(goi.interp, target_types[x]->name, -1));
4594 }
4595 return JIM_OK;
4596 case TG_CMD_NAMES:
4597 if (goi.argc != 0) {
4598 Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4599 return JIM_ERR;
4600 }
4601 Jim_SetResult(goi.interp, Jim_NewListObj(goi.interp, NULL, 0));
4602 target = all_targets;
4603 while (target) {
4604 Jim_ListAppendElement(goi.interp,
4605 Jim_GetResult(goi.interp),
4606 Jim_NewStringObj(goi.interp, target->cmd_name, -1));
4607 target = target->next;
4608 }
4609 return JIM_OK;
4610 case TG_CMD_CREATE:
4611 if (goi.argc < 3) {
4612 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv, "?name ... config options ...");
4613 return JIM_ERR;
4614 }
4615 return target_create(&goi);
4616 break;
4617 case TG_CMD_NUMBER:
4618 /* It's OK to remove this mechanism sometime after August 2010 or so */
4619 LOG_WARNING("don't use numbers as target identifiers; use names");
4620 if (goi.argc != 1) {
4621 Jim_SetResult_sprintf(goi.interp, "expected: target number ?NUMBER?");
4622 return JIM_ERR;
4623 }
4624 e = Jim_GetOpt_Wide(&goi, &w);
4625 if (e != JIM_OK) {
4626 return JIM_ERR;
4627 }
4628 for (x = 0, target = all_targets; target; target = target->next, x++) {
4629 if (target->target_number == w)
4630 break;
4631 }
4632 if (target == NULL) {
4633 Jim_SetResult_sprintf(goi.interp,
4634 "Target: number %d does not exist", (int)(w));
4635 return JIM_ERR;
4636 }
4637 Jim_SetResultString(goi.interp, target->cmd_name, -1);
4638 return JIM_OK;
4639 case TG_CMD_COUNT:
4640 if (goi.argc != 0) {
4641 Jim_WrongNumArgs(goi.interp, 0, goi.argv, "<no parameters>");
4642 return JIM_ERR;
4643 }
4644 for (x = 0, target = all_targets; target; target = target->next, x++)
4645 continue;
4646 Jim_SetResult(goi.interp, Jim_NewIntObj(goi.interp, x));
4647 return JIM_OK;
4648 }
4649
4650 return JIM_ERR;
4651 }
4652
4653
4654 struct FastLoad
4655 {
4656 uint32_t address;
4657 uint8_t *data;
4658 int length;
4659
4660 };
4661
4662 static int fastload_num;
4663 static struct FastLoad *fastload;
4664
4665 static void free_fastload(void)
4666 {
4667 if (fastload != NULL)
4668 {
4669 int i;
4670 for (i = 0; i < fastload_num; i++)
4671 {
4672 if (fastload[i].data)
4673 free(fastload[i].data);
4674 }
4675 free(fastload);
4676 fastload = NULL;
4677 }
4678 }
4679
4680
4681
4682
4683 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4684 {
4685 uint8_t *buffer;
4686 uint32_t buf_cnt;
4687 uint32_t image_size;
4688 uint32_t min_address = 0;
4689 uint32_t max_address = 0xffffffff;
4690 int i;
4691
4692 image_t image;
4693
4694 duration_t duration;
4695 char *duration_text;
4696
4697 int retval = parse_load_image_command_args(args, argc,
4698 &image, &min_address, &max_address);
4699 if (ERROR_OK != retval)
4700 return retval;
4701
4702 duration_start_measure(&duration);
4703
4704 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
4705 {
4706 return ERROR_OK;
4707 }
4708
4709 image_size = 0x0;
4710 retval = ERROR_OK;
4711 fastload_num = image.num_sections;
4712 fastload = (struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
4713 if (fastload == NULL)
4714 {
4715 image_close(&image);
4716 return ERROR_FAIL;
4717 }
4718 memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
4719 for (i = 0; i < image.num_sections; i++)
4720 {
4721 buffer = malloc(image.sections[i].size);
4722 if (buffer == NULL)
4723 {
4724 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)",
4725 (int)(image.sections[i].size));
4726 break;
4727 }
4728
4729 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
4730 {
4731 free(buffer);
4732 break;
4733 }
4734
4735 uint32_t offset = 0;
4736 uint32_t length = buf_cnt;
4737
4738
4739 /* DANGER!!! beware of unsigned comparision here!!! */
4740
4741 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
4742 (image.sections[i].base_address < max_address))
4743 {
4744 if (image.sections[i].base_address < min_address)
4745 {
4746 /* clip addresses below */
4747 offset += min_address-image.sections[i].base_address;
4748 length -= offset;
4749 }
4750
4751 if (image.sections[i].base_address + buf_cnt > max_address)
4752 {
4753 length -= (image.sections[i].base_address + buf_cnt)-max_address;
4754 }
4755
4756 fastload[i].address = image.sections[i].base_address + offset;
4757 fastload[i].data = malloc(length);
4758 if (fastload[i].data == NULL)
4759 {
4760 free(buffer);
4761 break;
4762 }
4763 memcpy(fastload[i].data, buffer + offset, length);
4764 fastload[i].length = length;
4765
4766 image_size += length;
4767 command_print(cmd_ctx, "%u bytes written at address 0x%8.8x",
4768 (unsigned int)length,
4769 ((unsigned int)(image.sections[i].base_address + offset)));
4770 }
4771
4772 free(buffer);
4773 }
4774
4775 duration_stop_measure(&duration, &duration_text);
4776 if (retval == ERROR_OK)
4777 {
4778 command_print(cmd_ctx, "Loaded %u bytes in %s", (unsigned int)image_size, duration_text);
4779 command_print(cmd_ctx, "NB!!! image has not been loaded to target, issue a subsequent 'fast_load' to do so.");
4780 }
4781 free(duration_text);
4782
4783 image_close(&image);
4784
4785 if (retval != ERROR_OK)
4786 {
4787 free_fastload();
4788 }
4789
4790 return retval;
4791 }
4792
4793 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4794 {
4795 if (argc > 0)
4796 return ERROR_COMMAND_SYNTAX_ERROR;
4797 if (fastload == NULL)
4798 {
4799 LOG_ERROR("No image in memory");
4800 return ERROR_FAIL;
4801 }
4802 int i;
4803 int ms = timeval_ms();
4804 int size = 0;
4805 int retval = ERROR_OK;
4806 for (i = 0; i < fastload_num;i++)
4807 {
4808 target_t *target = get_current_target(cmd_ctx);
4809 command_print(cmd_ctx, "Write to 0x%08x, length 0x%08x",
4810 (unsigned int)(fastload[i].address),
4811 (unsigned int)(fastload[i].length));
4812 if (retval == ERROR_OK)
4813 {
4814 retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
4815 }
4816 size += fastload[i].length;
4817 }
4818 int after = timeval_ms();
4819 command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
4820 return retval;
4821 }
4822
4823 static int jim_mcrmrc(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4824 {
4825 command_context_t *context;
4826 target_t *target;
4827 int retval;
4828
4829 context = Jim_GetAssocData(interp, "context");
4830 if (context == NULL) {
4831 LOG_ERROR("array2mem: no command context");
4832 return JIM_ERR;
4833 }
4834 target = get_current_target(context);
4835 if (target == NULL) {
4836 LOG_ERROR("array2mem: no current target");
4837 return JIM_ERR;
4838 }
4839
4840 if ((argc < 6) || (argc > 7))
4841 {
4842 return JIM_ERR;
4843 }
4844
4845 int cpnum;
4846 uint32_t op1;
4847 uint32_t op2;
4848 uint32_t CRn;
4849 uint32_t CRm;
4850 uint32_t value;
4851
4852 int e;
4853 long l;
4854 e = Jim_GetLong(interp, argv[1], &l);
4855 if (e != JIM_OK) {
4856 return e;
4857 }
4858 cpnum = l;
4859
4860 e = Jim_GetLong(interp, argv[2], &l);
4861 if (e != JIM_OK) {
4862 return e;
4863 }
4864 op1 = l;
4865
4866 e = Jim_GetLong(interp, argv[3], &l);
4867 if (e != JIM_OK) {
4868 return e;
4869 }
4870 op2 = l;
4871
4872 e = Jim_GetLong(interp, argv[4], &l);
4873 if (e != JIM_OK) {
4874 return e;
4875 }
4876 CRn = l;
4877
4878 e = Jim_GetLong(interp, argv[5], &l);
4879 if (e != JIM_OK) {
4880 return e;
4881 }
4882 CRm = l;
4883
4884 value = 0;
4885
4886 if (argc == 7)
4887 {
4888 e = Jim_GetLong(interp, argv[6], &l);
4889 if (e != JIM_OK) {
4890 return e;
4891 }
4892 value = l;
4893
4894 retval = target_mcr(target, cpnum, op1, op2, CRn, CRm, value);
4895 if (retval != ERROR_OK)
4896 return JIM_ERR;
4897 } else
4898 {
4899 retval = target_mrc(target, cpnum, op1, op2, CRn, CRm, &value);
4900 if (retval != ERROR_OK)
4901 return JIM_ERR;
4902
4903 Jim_SetResult(interp, Jim_NewIntObj(interp, value));
4904 }
4905
4906 return JIM_OK;
4907 }
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