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ARM semihosting: fix writing to stdout
[openocd/dave.git] / src / target / target.c
blob1eb65a62e0f40f3938062a03b2957e0be955f4da
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 <helper/time_support.h>
37 #include <jtag/jtag.h>
38
39 #include "target.h"
40 #include "target_type.h"
41 #include "target_request.h"
42 #include "breakpoints.h"
43 #include "register.h"
44 #include "trace.h"
45 #include "image.h"
46
47
48 static int target_array2mem(Jim_Interp *interp, struct target *target,
49 int argc, Jim_Obj *const *argv);
50 static int target_mem2array(Jim_Interp *interp, struct target *target,
51 int argc, Jim_Obj *const *argv);
52
53 /* targets */
54 extern struct target_type arm7tdmi_target;
55 extern struct target_type arm720t_target;
56 extern struct target_type arm9tdmi_target;
57 extern struct target_type arm920t_target;
58 extern struct target_type arm966e_target;
59 extern struct target_type arm926ejs_target;
60 extern struct target_type fa526_target;
61 extern struct target_type feroceon_target;
62 extern struct target_type dragonite_target;
63 extern struct target_type xscale_target;
64 extern struct target_type cortexm3_target;
65 extern struct target_type cortexa8_target;
66 extern struct target_type arm11_target;
67 extern struct target_type mips_m4k_target;
68 extern struct target_type avr_target;
69 extern struct target_type dsp563xx_target;
70 extern struct target_type testee_target;
71
72 struct target_type *target_types[] =
73 {
74 &arm7tdmi_target,
75 &arm9tdmi_target,
76 &arm920t_target,
77 &arm720t_target,
78 &arm966e_target,
79 &arm926ejs_target,
80 &fa526_target,
81 &feroceon_target,
82 &dragonite_target,
83 &xscale_target,
84 &cortexm3_target,
85 &cortexa8_target,
86 &arm11_target,
87 &mips_m4k_target,
88 &avr_target,
89 &dsp563xx_target,
90 &testee_target,
91 NULL,
92 };
93
94 struct target *all_targets = NULL;
95 struct target_event_callback *target_event_callbacks = NULL;
96 struct target_timer_callback *target_timer_callbacks = NULL;
97
98 static const Jim_Nvp nvp_assert[] = {
99 { .name = "assert", NVP_ASSERT },
100 { .name = "deassert", NVP_DEASSERT },
101 { .name = "T", NVP_ASSERT },
102 { .name = "F", NVP_DEASSERT },
103 { .name = "t", NVP_ASSERT },
104 { .name = "f", NVP_DEASSERT },
105 { .name = NULL, .value = -1 }
106 };
107
108 static const Jim_Nvp nvp_error_target[] = {
109 { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
110 { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
111 { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
112 { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
113 { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
114 { .value = ERROR_TARGET_UNALIGNED_ACCESS , .name = "err-unaligned-access" },
115 { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
116 { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
117 { .value = ERROR_TARGET_TRANSLATION_FAULT , .name = "err-translation-fault" },
118 { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
119 { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
120 { .value = -1, .name = NULL }
121 };
122
123 const char *target_strerror_safe(int err)
124 {
125 const Jim_Nvp *n;
126
127 n = Jim_Nvp_value2name_simple(nvp_error_target, err);
128 if (n->name == NULL) {
129 return "unknown";
130 } else {
131 return n->name;
132 }
133 }
134
135 static const Jim_Nvp nvp_target_event[] = {
136 { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
137 { .value = TARGET_EVENT_OLD_pre_resume , .name = "old-pre_resume" },
138
139 { .value = TARGET_EVENT_GDB_HALT, .name = "gdb-halt" },
140 { .value = TARGET_EVENT_HALTED, .name = "halted" },
141 { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
142 { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
143 { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
144
145 { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
146 { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
147
148 /* historical name */
149
150 { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
151
152 { .value = TARGET_EVENT_RESET_ASSERT_PRE, .name = "reset-assert-pre" },
153 { .value = TARGET_EVENT_RESET_ASSERT, .name = "reset-assert" },
154 { .value = TARGET_EVENT_RESET_ASSERT_POST, .name = "reset-assert-post" },
155 { .value = TARGET_EVENT_RESET_DEASSERT_PRE, .name = "reset-deassert-pre" },
156 { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
157 { .value = TARGET_EVENT_RESET_HALT_PRE, .name = "reset-halt-pre" },
158 { .value = TARGET_EVENT_RESET_HALT_POST, .name = "reset-halt-post" },
159 { .value = TARGET_EVENT_RESET_WAIT_PRE, .name = "reset-wait-pre" },
160 { .value = TARGET_EVENT_RESET_WAIT_POST, .name = "reset-wait-post" },
161 { .value = TARGET_EVENT_RESET_INIT, .name = "reset-init" },
162 { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
163
164 { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
165 { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
166
167 { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
168 { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
169
170 { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
171 { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
172
173 { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
174 { .value = TARGET_EVENT_GDB_FLASH_WRITE_END , .name = "gdb-flash-write-end" },
175
176 { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
177 { .value = TARGET_EVENT_GDB_FLASH_ERASE_END , .name = "gdb-flash-erase-end" },
178
179 { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
180 { .value = TARGET_EVENT_RESUMED , .name = "resume-ok" },
181 { .value = TARGET_EVENT_RESUME_END , .name = "resume-end" },
182
183 { .name = NULL, .value = -1 }
184 };
185
186 static const Jim_Nvp nvp_target_state[] = {
187 { .name = "unknown", .value = TARGET_UNKNOWN },
188 { .name = "running", .value = TARGET_RUNNING },
189 { .name = "halted", .value = TARGET_HALTED },
190 { .name = "reset", .value = TARGET_RESET },
191 { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
192 { .name = NULL, .value = -1 },
193 };
194
195 static const Jim_Nvp nvp_target_debug_reason [] = {
196 { .name = "debug-request" , .value = DBG_REASON_DBGRQ },
197 { .name = "breakpoint" , .value = DBG_REASON_BREAKPOINT },
198 { .name = "watchpoint" , .value = DBG_REASON_WATCHPOINT },
199 { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
200 { .name = "single-step" , .value = DBG_REASON_SINGLESTEP },
201 { .name = "target-not-halted" , .value = DBG_REASON_NOTHALTED },
202 { .name = "undefined" , .value = DBG_REASON_UNDEFINED },
203 { .name = NULL, .value = -1 },
204 };
205
206 static const Jim_Nvp nvp_target_endian[] = {
207 { .name = "big", .value = TARGET_BIG_ENDIAN },
208 { .name = "little", .value = TARGET_LITTLE_ENDIAN },
209 { .name = "be", .value = TARGET_BIG_ENDIAN },
210 { .name = "le", .value = TARGET_LITTLE_ENDIAN },
211 { .name = NULL, .value = -1 },
212 };
213
214 static const Jim_Nvp nvp_reset_modes[] = {
215 { .name = "unknown", .value = RESET_UNKNOWN },
216 { .name = "run" , .value = RESET_RUN },
217 { .name = "halt" , .value = RESET_HALT },
218 { .name = "init" , .value = RESET_INIT },
219 { .name = NULL , .value = -1 },
220 };
221
222 const char *debug_reason_name(struct target *t)
223 {
224 const char *cp;
225
226 cp = Jim_Nvp_value2name_simple(nvp_target_debug_reason,
227 t->debug_reason)->name;
228 if (!cp) {
229 LOG_ERROR("Invalid debug reason: %d", (int)(t->debug_reason));
230 cp = "(*BUG*unknown*BUG*)";
231 }
232 return cp;
233 }
234
235 const char *
236 target_state_name( struct target *t )
237 {
238 const char *cp;
239 cp = Jim_Nvp_value2name_simple(nvp_target_state, t->state)->name;
240 if( !cp ){
241 LOG_ERROR("Invalid target state: %d", (int)(t->state));
242 cp = "(*BUG*unknown*BUG*)";
243 }
244 return cp;
245 }
246
247 /* determine the number of the new target */
248 static int new_target_number(void)
249 {
250 struct target *t;
251 int x;
252
253 /* number is 0 based */
254 x = -1;
255 t = all_targets;
256 while (t) {
257 if (x < t->target_number) {
258 x = t->target_number;
259 }
260 t = t->next;
261 }
262 return x + 1;
263 }
264
265 /* read a uint32_t from a buffer in target memory endianness */
266 uint32_t target_buffer_get_u32(struct target *target, const uint8_t *buffer)
267 {
268 if (target->endianness == TARGET_LITTLE_ENDIAN)
269 return le_to_h_u32(buffer);
270 else
271 return be_to_h_u32(buffer);
272 }
273
274 /* read a uint16_t from a buffer in target memory endianness */
275 uint16_t target_buffer_get_u16(struct target *target, const uint8_t *buffer)
276 {
277 if (target->endianness == TARGET_LITTLE_ENDIAN)
278 return le_to_h_u16(buffer);
279 else
280 return be_to_h_u16(buffer);
281 }
282
283 /* read a uint8_t from a buffer in target memory endianness */
284 uint8_t target_buffer_get_u8(struct target *target, const uint8_t *buffer)
285 {
286 return *buffer & 0x0ff;
287 }
288
289 /* write a uint32_t to a buffer in target memory endianness */
290 void target_buffer_set_u32(struct target *target, uint8_t *buffer, uint32_t value)
291 {
292 if (target->endianness == TARGET_LITTLE_ENDIAN)
293 h_u32_to_le(buffer, value);
294 else
295 h_u32_to_be(buffer, value);
296 }
297
298 /* write a uint16_t to a buffer in target memory endianness */
299 void target_buffer_set_u16(struct target *target, uint8_t *buffer, uint16_t value)
300 {
301 if (target->endianness == TARGET_LITTLE_ENDIAN)
302 h_u16_to_le(buffer, value);
303 else
304 h_u16_to_be(buffer, value);
305 }
306
307 /* write a uint8_t to a buffer in target memory endianness */
308 void target_buffer_set_u8(struct target *target, uint8_t *buffer, uint8_t value)
309 {
310 *buffer = value;
311 }
312
313 /* return a pointer to a configured target; id is name or number */
314 struct target *get_target(const char *id)
315 {
316 struct target *target;
317
318 /* try as tcltarget name */
319 for (target = all_targets; target; target = target->next) {
320 if (target->cmd_name == NULL)
321 continue;
322 if (strcmp(id, target->cmd_name) == 0)
323 return target;
324 }
325
326 /* It's OK to remove this fallback sometime after August 2010 or so */
327
328 /* no match, try as number */
329 unsigned num;
330 if (parse_uint(id, &num) != ERROR_OK)
331 return NULL;
332
333 for (target = all_targets; target; target = target->next) {
334 if (target->target_number == (int)num) {
335 LOG_WARNING("use '%s' as target identifier, not '%u'",
336 target->cmd_name, num);
337 return target;
338 }
339 }
340
341 return NULL;
342 }
343
344 /* returns a pointer to the n-th configured target */
345 static struct target *get_target_by_num(int num)
346 {
347 struct target *target = all_targets;
348
349 while (target) {
350 if (target->target_number == num) {
351 return target;
352 }
353 target = target->next;
354 }
355
356 return NULL;
357 }
358
359 struct target* get_current_target(struct command_context *cmd_ctx)
360 {
361 struct target *target = get_target_by_num(cmd_ctx->current_target);
362
363 if (target == NULL)
364 {
365 LOG_ERROR("BUG: current_target out of bounds");
366 exit(-1);
367 }
368
369 return target;
370 }
371
372 int target_poll(struct target *target)
373 {
374 int retval;
375
376 /* We can't poll until after examine */
377 if (!target_was_examined(target))
378 {
379 /* Fail silently lest we pollute the log */
380 return ERROR_FAIL;
381 }
382
383 retval = target->type->poll(target);
384 if (retval != ERROR_OK)
385 return retval;
386
387 if (target->halt_issued)
388 {
389 if (target->state == TARGET_HALTED)
390 {
391 target->halt_issued = false;
392 } else
393 {
394 long long t = timeval_ms() - target->halt_issued_time;
395 if (t>1000)
396 {
397 target->halt_issued = false;
398 LOG_INFO("Halt timed out, wake up GDB.");
399 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
400 }
401 }
402 }
403
404 return ERROR_OK;
405 }
406
407 int target_halt(struct target *target)
408 {
409 int retval;
410 /* We can't poll until after examine */
411 if (!target_was_examined(target))
412 {
413 LOG_ERROR("Target not examined yet");
414 return ERROR_FAIL;
415 }
416
417 retval = target->type->halt(target);
418 if (retval != ERROR_OK)
419 return retval;
420
421 target->halt_issued = true;
422 target->halt_issued_time = timeval_ms();
423
424 return ERROR_OK;
425 }
426
427 int target_resume(struct target *target, int current, uint32_t address, int handle_breakpoints, int debug_execution)
428 {
429 int retval;
430
431 /* We can't poll until after examine */
432 if (!target_was_examined(target))
433 {
434 LOG_ERROR("Target not examined yet");
435 return ERROR_FAIL;
436 }
437
438 /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
439 * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
440 * the application.
441 */
442 if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
443 return retval;
444
445 return retval;
446 }
447
448 int target_process_reset(struct command_context *cmd_ctx, enum target_reset_mode reset_mode)
449 {
450 char buf[100];
451 int retval;
452 Jim_Nvp *n;
453 n = Jim_Nvp_value2name_simple(nvp_reset_modes, reset_mode);
454 if (n->name == NULL) {
455 LOG_ERROR("invalid reset mode");
456 return ERROR_FAIL;
457 }
458
459 /* disable polling during reset to make reset event scripts
460 * more predictable, i.e. dr/irscan & pathmove in events will
461 * not have JTAG operations injected into the middle of a sequence.
462 */
463 bool save_poll = jtag_poll_get_enabled();
464
465 jtag_poll_set_enabled(false);
466
467 sprintf(buf, "ocd_process_reset %s", n->name);
468 retval = Jim_Eval(cmd_ctx->interp, buf);
469
470 jtag_poll_set_enabled(save_poll);
471
472 if (retval != JIM_OK) {
473 Jim_PrintErrorMessage(cmd_ctx->interp);
474 return ERROR_FAIL;
475 }
476
477 /* We want any events to be processed before the prompt */
478 retval = target_call_timer_callbacks_now();
479
480 struct target *target;
481 for (target = all_targets; target; target = target->next) {
482 target->type->check_reset(target);
483 }
484
485 return retval;
486 }
487
488 static int identity_virt2phys(struct target *target,
489 uint32_t virtual, uint32_t *physical)
490 {
491 *physical = virtual;
492 return ERROR_OK;
493 }
494
495 static int no_mmu(struct target *target, int *enabled)
496 {
497 *enabled = 0;
498 return ERROR_OK;
499 }
500
501 static int default_examine(struct target *target)
502 {
503 target_set_examined(target);
504 return ERROR_OK;
505 }
506
507 /* no check by default */
508 static int default_check_reset(struct target *target)
509 {
510 return ERROR_OK;
511 }
512
513 int target_examine_one(struct target *target)
514 {
515 return target->type->examine(target);
516 }
517
518 static int jtag_enable_callback(enum jtag_event event, void *priv)
519 {
520 struct target *target = priv;
521
522 if (event != JTAG_TAP_EVENT_ENABLE || !target->tap->enabled)
523 return ERROR_OK;
524
525 jtag_unregister_event_callback(jtag_enable_callback, target);
526 return target_examine_one(target);
527 }
528
529
530 /* Targets that correctly implement init + examine, i.e.
531 * no communication with target during init:
532 *
533 * XScale
534 */
535 int target_examine(void)
536 {
537 int retval = ERROR_OK;
538 struct target *target;
539
540 for (target = all_targets; target; target = target->next)
541 {
542 /* defer examination, but don't skip it */
543 if (!target->tap->enabled) {
544 jtag_register_event_callback(jtag_enable_callback,
545 target);
546 continue;
547 }
548 if ((retval = target_examine_one(target)) != ERROR_OK)
549 return retval;
550 }
551 return retval;
552 }
553 const char *target_type_name(struct target *target)
554 {
555 return target->type->name;
556 }
557
558 static int target_write_memory_imp(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
559 {
560 if (!target_was_examined(target))
561 {
562 LOG_ERROR("Target not examined yet");
563 return ERROR_FAIL;
564 }
565 return target->type->write_memory_imp(target, address, size, count, buffer);
566 }
567
568 static int target_read_memory_imp(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
569 {
570 if (!target_was_examined(target))
571 {
572 LOG_ERROR("Target not examined yet");
573 return ERROR_FAIL;
574 }
575 return target->type->read_memory_imp(target, address, size, count, buffer);
576 }
577
578 static int target_soft_reset_halt_imp(struct target *target)
579 {
580 if (!target_was_examined(target))
581 {
582 LOG_ERROR("Target not examined yet");
583 return ERROR_FAIL;
584 }
585 if (!target->type->soft_reset_halt_imp) {
586 LOG_ERROR("Target %s does not support soft_reset_halt",
587 target_name(target));
588 return ERROR_FAIL;
589 }
590 return target->type->soft_reset_halt_imp(target);
591 }
592
593 static int target_run_algorithm_imp(struct target *target, int num_mem_params, struct mem_param *mem_params, int num_reg_params, struct reg_param *reg_param, uint32_t entry_point, uint32_t exit_point, int timeout_ms, void *arch_info)
594 {
595 if (!target_was_examined(target))
596 {
597 LOG_ERROR("Target not examined yet");
598 return ERROR_FAIL;
599 }
600 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);
601 }
602
603 int target_read_memory(struct target *target,
604 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
605 {
606 return target->type->read_memory(target, address, size, count, buffer);
607 }
608
609 int target_read_phys_memory(struct target *target,
610 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
611 {
612 return target->type->read_phys_memory(target, address, size, count, buffer);
613 }
614
615 int target_write_memory(struct target *target,
616 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
617 {
618 return target->type->write_memory(target, address, size, count, buffer);
619 }
620
621 int target_write_phys_memory(struct target *target,
622 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
623 {
624 return target->type->write_phys_memory(target, address, size, count, buffer);
625 }
626
627 int target_bulk_write_memory(struct target *target,
628 uint32_t address, uint32_t count, uint8_t *buffer)
629 {
630 return target->type->bulk_write_memory(target, address, count, buffer);
631 }
632
633 int target_add_breakpoint(struct target *target,
634 struct breakpoint *breakpoint)
635 {
636 if (target->state != TARGET_HALTED) {
637 LOG_WARNING("target %s is not halted", target->cmd_name);
638 return ERROR_TARGET_NOT_HALTED;
639 }
640 return target->type->add_breakpoint(target, breakpoint);
641 }
642 int target_remove_breakpoint(struct target *target,
643 struct breakpoint *breakpoint)
644 {
645 return target->type->remove_breakpoint(target, breakpoint);
646 }
647
648 int target_add_watchpoint(struct target *target,
649 struct watchpoint *watchpoint)
650 {
651 if (target->state != TARGET_HALTED) {
652 LOG_WARNING("target %s is not halted", target->cmd_name);
653 return ERROR_TARGET_NOT_HALTED;
654 }
655 return target->type->add_watchpoint(target, watchpoint);
656 }
657 int target_remove_watchpoint(struct target *target,
658 struct watchpoint *watchpoint)
659 {
660 return target->type->remove_watchpoint(target, watchpoint);
661 }
662
663 int target_get_gdb_reg_list(struct target *target,
664 struct reg **reg_list[], int *reg_list_size)
665 {
666 return target->type->get_gdb_reg_list(target, reg_list, reg_list_size);
667 }
668 int target_step(struct target *target,
669 int current, uint32_t address, int handle_breakpoints)
670 {
671 return target->type->step(target, current, address, handle_breakpoints);
672 }
673
674
675 int target_run_algorithm(struct target *target,
676 int num_mem_params, struct mem_param *mem_params,
677 int num_reg_params, struct reg_param *reg_param,
678 uint32_t entry_point, uint32_t exit_point,
679 int timeout_ms, void *arch_info)
680 {
681 return target->type->run_algorithm(target,
682 num_mem_params, mem_params, num_reg_params, reg_param,
683 entry_point, exit_point, timeout_ms, arch_info);
684 }
685
686 /**
687 * Reset the @c examined flag for the given target.
688 * Pure paranoia -- targets are zeroed on allocation.
689 */
690 static void target_reset_examined(struct target *target)
691 {
692 target->examined = false;
693 }
694
695 static int
696 err_read_phys_memory(struct target *target, uint32_t address,
697 uint32_t size, uint32_t count, uint8_t *buffer)
698 {
699 LOG_ERROR("Not implemented: %s", __func__);
700 return ERROR_FAIL;
701 }
702
703 static int
704 err_write_phys_memory(struct target *target, uint32_t address,
705 uint32_t size, uint32_t count, uint8_t *buffer)
706 {
707 LOG_ERROR("Not implemented: %s", __func__);
708 return ERROR_FAIL;
709 }
710
711 static int handle_target(void *priv);
712
713 static int target_init_one(struct command_context *cmd_ctx,
714 struct target *target)
715 {
716 target_reset_examined(target);
717
718 struct target_type *type = target->type;
719 if (type->examine == NULL)
720 type->examine = default_examine;
721
722 if (type->check_reset== NULL)
723 type->check_reset = default_check_reset;
724
725 int retval = type->init_target(cmd_ctx, target);
726 if (ERROR_OK != retval)
727 {
728 LOG_ERROR("target '%s' init failed", target_name(target));
729 return retval;
730 }
731
732 /**
733 * @todo get rid of those *memory_imp() methods, now that all
734 * callers are using target_*_memory() accessors ... and make
735 * sure the "physical" paths handle the same issues.
736 */
737 /* a non-invasive way(in terms of patches) to add some code that
738 * runs before the type->write/read_memory implementation
739 */
740 type->write_memory_imp = target->type->write_memory;
741 type->write_memory = target_write_memory_imp;
742
743 type->read_memory_imp = target->type->read_memory;
744 type->read_memory = target_read_memory_imp;
745
746 type->soft_reset_halt_imp = target->type->soft_reset_halt;
747 type->soft_reset_halt = target_soft_reset_halt_imp;
748
749 type->run_algorithm_imp = target->type->run_algorithm;
750 type->run_algorithm = target_run_algorithm_imp;
751
752 /* Sanity-check MMU support ... stub in what we must, to help
753 * implement it in stages, but warn if we need to do so.
754 */
755 if (type->mmu)
756 {
757 if (type->write_phys_memory == NULL)
758 {
759 LOG_ERROR("type '%s' is missing write_phys_memory",
760 type->name);
761 type->write_phys_memory = err_write_phys_memory;
762 }
763 if (type->read_phys_memory == NULL)
764 {
765 LOG_ERROR("type '%s' is missing read_phys_memory",
766 type->name);
767 type->read_phys_memory = err_read_phys_memory;
768 }
769 if (type->virt2phys == NULL)
770 {
771 LOG_ERROR("type '%s' is missing virt2phys", type->name);
772 type->virt2phys = identity_virt2phys;
773 }
774 }
775 else
776 {
777 /* Make sure no-MMU targets all behave the same: make no
778 * distinction between physical and virtual addresses, and
779 * ensure that virt2phys() is always an identity mapping.
780 */
781 if (type->write_phys_memory || type->read_phys_memory
782 || type->virt2phys)
783 {
784 LOG_WARNING("type '%s' has bad MMU hooks", type->name);
785 }
786
787 type->mmu = no_mmu;
788 type->write_phys_memory = type->write_memory;
789 type->read_phys_memory = type->read_memory;
790 type->virt2phys = identity_virt2phys;
791 }
792 return ERROR_OK;
793 }
794
795 int target_init(struct command_context *cmd_ctx)
796 {
797 struct target *target;
798 int retval;
799
800 for (target = all_targets; target; target = target->next)
801 {
802 retval = target_init_one(cmd_ctx, target);
803 if (ERROR_OK != retval)
804 return retval;
805 }
806
807 if (!all_targets)
808 return ERROR_OK;
809
810 retval = target_register_user_commands(cmd_ctx);
811 if (ERROR_OK != retval)
812 return retval;
813
814 retval = target_register_timer_callback(&handle_target,
815 100, 1, cmd_ctx->interp);
816 if (ERROR_OK != retval)
817 return retval;
818
819 return ERROR_OK;
820 }
821
822 COMMAND_HANDLER(handle_target_init_command)
823 {
824 if (CMD_ARGC != 0)
825 return ERROR_COMMAND_SYNTAX_ERROR;
826
827 static bool target_initialized = false;
828 if (target_initialized)
829 {
830 LOG_INFO("'target init' has already been called");
831 return ERROR_OK;
832 }
833 target_initialized = true;
834
835 LOG_DEBUG("Initializing targets...");
836 return target_init(CMD_CTX);
837 }
838
839 int target_register_event_callback(int (*callback)(struct target *target, enum target_event event, void *priv), void *priv)
840 {
841 struct target_event_callback **callbacks_p = &target_event_callbacks;
842
843 if (callback == NULL)
844 {
845 return ERROR_INVALID_ARGUMENTS;
846 }
847
848 if (*callbacks_p)
849 {
850 while ((*callbacks_p)->next)
851 callbacks_p = &((*callbacks_p)->next);
852 callbacks_p = &((*callbacks_p)->next);
853 }
854
855 (*callbacks_p) = malloc(sizeof(struct target_event_callback));
856 (*callbacks_p)->callback = callback;
857 (*callbacks_p)->priv = priv;
858 (*callbacks_p)->next = NULL;
859
860 return ERROR_OK;
861 }
862
863 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
864 {
865 struct target_timer_callback **callbacks_p = &target_timer_callbacks;
866 struct timeval now;
867
868 if (callback == NULL)
869 {
870 return ERROR_INVALID_ARGUMENTS;
871 }
872
873 if (*callbacks_p)
874 {
875 while ((*callbacks_p)->next)
876 callbacks_p = &((*callbacks_p)->next);
877 callbacks_p = &((*callbacks_p)->next);
878 }
879
880 (*callbacks_p) = malloc(sizeof(struct target_timer_callback));
881 (*callbacks_p)->callback = callback;
882 (*callbacks_p)->periodic = periodic;
883 (*callbacks_p)->time_ms = time_ms;
884
885 gettimeofday(&now, NULL);
886 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
887 time_ms -= (time_ms % 1000);
888 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
889 if ((*callbacks_p)->when.tv_usec > 1000000)
890 {
891 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
892 (*callbacks_p)->when.tv_sec += 1;
893 }
894
895 (*callbacks_p)->priv = priv;
896 (*callbacks_p)->next = NULL;
897
898 return ERROR_OK;
899 }
900
901 int target_unregister_event_callback(int (*callback)(struct target *target, enum target_event event, void *priv), void *priv)
902 {
903 struct target_event_callback **p = &target_event_callbacks;
904 struct target_event_callback *c = target_event_callbacks;
905
906 if (callback == NULL)
907 {
908 return ERROR_INVALID_ARGUMENTS;
909 }
910
911 while (c)
912 {
913 struct target_event_callback *next = c->next;
914 if ((c->callback == callback) && (c->priv == priv))
915 {
916 *p = next;
917 free(c);
918 return ERROR_OK;
919 }
920 else
921 p = &(c->next);
922 c = next;
923 }
924
925 return ERROR_OK;
926 }
927
928 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
929 {
930 struct target_timer_callback **p = &target_timer_callbacks;
931 struct target_timer_callback *c = target_timer_callbacks;
932
933 if (callback == NULL)
934 {
935 return ERROR_INVALID_ARGUMENTS;
936 }
937
938 while (c)
939 {
940 struct target_timer_callback *next = c->next;
941 if ((c->callback == callback) && (c->priv == priv))
942 {
943 *p = next;
944 free(c);
945 return ERROR_OK;
946 }
947 else
948 p = &(c->next);
949 c = next;
950 }
951
952 return ERROR_OK;
953 }
954
955 int target_call_event_callbacks(struct target *target, enum target_event event)
956 {
957 struct target_event_callback *callback = target_event_callbacks;
958 struct target_event_callback *next_callback;
959
960 if (event == TARGET_EVENT_HALTED)
961 {
962 /* execute early halted first */
963 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
964 }
965
966 LOG_DEBUG("target event %i (%s)",
967 event,
968 Jim_Nvp_value2name_simple(nvp_target_event, event)->name);
969
970 target_handle_event(target, event);
971
972 while (callback)
973 {
974 next_callback = callback->next;
975 callback->callback(target, event, callback->priv);
976 callback = next_callback;
977 }
978
979 return ERROR_OK;
980 }
981
982 static int target_timer_callback_periodic_restart(
983 struct target_timer_callback *cb, struct timeval *now)
984 {
985 int time_ms = cb->time_ms;
986 cb->when.tv_usec = now->tv_usec + (time_ms % 1000) * 1000;
987 time_ms -= (time_ms % 1000);
988 cb->when.tv_sec = now->tv_sec + time_ms / 1000;
989 if (cb->when.tv_usec > 1000000)
990 {
991 cb->when.tv_usec = cb->when.tv_usec - 1000000;
992 cb->when.tv_sec += 1;
993 }
994 return ERROR_OK;
995 }
996
997 static int target_call_timer_callback(struct target_timer_callback *cb,
998 struct timeval *now)
999 {
1000 cb->callback(cb->priv);
1001
1002 if (cb->periodic)
1003 return target_timer_callback_periodic_restart(cb, now);
1004
1005 return target_unregister_timer_callback(cb->callback, cb->priv);
1006 }
1007
1008 static int target_call_timer_callbacks_check_time(int checktime)
1009 {
1010 keep_alive();
1011
1012 struct timeval now;
1013 gettimeofday(&now, NULL);
1014
1015 struct target_timer_callback *callback = target_timer_callbacks;
1016 while (callback)
1017 {
1018 // cleaning up may unregister and free this callback
1019 struct target_timer_callback *next_callback = callback->next;
1020
1021 bool call_it = callback->callback &&
1022 ((!checktime && callback->periodic) ||
1023 now.tv_sec > callback->when.tv_sec ||
1024 (now.tv_sec == callback->when.tv_sec &&
1025 now.tv_usec >= callback->when.tv_usec));
1026
1027 if (call_it)
1028 {
1029 int retval = target_call_timer_callback(callback, &now);
1030 if (retval != ERROR_OK)
1031 return retval;
1032 }
1033
1034 callback = next_callback;
1035 }
1036
1037 return ERROR_OK;
1038 }
1039
1040 int target_call_timer_callbacks(void)
1041 {
1042 return target_call_timer_callbacks_check_time(1);
1043 }
1044
1045 /* invoke periodic callbacks immediately */
1046 int target_call_timer_callbacks_now(void)
1047 {
1048 return target_call_timer_callbacks_check_time(0);
1049 }
1050
1051 int target_alloc_working_area(struct target *target, uint32_t size, struct working_area **area)
1052 {
1053 struct working_area *c = target->working_areas;
1054 struct working_area *new_wa = NULL;
1055
1056 /* Reevaluate working area address based on MMU state*/
1057 if (target->working_areas == NULL)
1058 {
1059 int retval;
1060 int enabled;
1061
1062 retval = target->type->mmu(target, &enabled);
1063 if (retval != ERROR_OK)
1064 {
1065 return retval;
1066 }
1067
1068 if (!enabled) {
1069 if (target->working_area_phys_spec) {
1070 LOG_DEBUG("MMU disabled, using physical "
1071 "address for working memory 0x%08x",
1072 (unsigned)target->working_area_phys);
1073 target->working_area = target->working_area_phys;
1074 } else {
1075 LOG_ERROR("No working memory available. "
1076 "Specify -work-area-phys to target.");
1077 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1078 }
1079 } else {
1080 if (target->working_area_virt_spec) {
1081 LOG_DEBUG("MMU enabled, using virtual "
1082 "address for working memory 0x%08x",
1083 (unsigned)target->working_area_virt);
1084 target->working_area = target->working_area_virt;
1085 } else {
1086 LOG_ERROR("No working memory available. "
1087 "Specify -work-area-virt to target.");
1088 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1089 }
1090 }
1091 }
1092
1093 /* only allocate multiples of 4 byte */
1094 if (size % 4)
1095 {
1096 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes (0x%08x), padding", ((unsigned)(size)));
1097 size = (size + 3) & (~3);
1098 }
1099
1100 /* see if there's already a matching working area */
1101 while (c)
1102 {
1103 if ((c->free) && (c->size == size))
1104 {
1105 new_wa = c;
1106 break;
1107 }
1108 c = c->next;
1109 }
1110
1111 /* if not, allocate a new one */
1112 if (!new_wa)
1113 {
1114 struct working_area **p = &target->working_areas;
1115 uint32_t first_free = target->working_area;
1116 uint32_t free_size = target->working_area_size;
1117
1118 c = target->working_areas;
1119 while (c)
1120 {
1121 first_free += c->size;
1122 free_size -= c->size;
1123 p = &c->next;
1124 c = c->next;
1125 }
1126
1127 if (free_size < size)
1128 {
1129 LOG_WARNING("not enough working area available(requested %u, free %u)",
1130 (unsigned)(size), (unsigned)(free_size));
1131 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1132 }
1133
1134 LOG_DEBUG("allocated new working area at address 0x%08x", (unsigned)first_free);
1135
1136 new_wa = malloc(sizeof(struct working_area));
1137 new_wa->next = NULL;
1138 new_wa->size = size;
1139 new_wa->address = first_free;
1140
1141 if (target->backup_working_area)
1142 {
1143 int retval;
1144 new_wa->backup = malloc(new_wa->size);
1145 if ((retval = target_read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
1146 {
1147 free(new_wa->backup);
1148 free(new_wa);
1149 return retval;
1150 }
1151 }
1152 else
1153 {
1154 new_wa->backup = NULL;
1155 }
1156
1157 /* put new entry in list */
1158 *p = new_wa;
1159 }
1160
1161 /* mark as used, and return the new (reused) area */
1162 new_wa->free = 0;
1163 *area = new_wa;
1164
1165 /* user pointer */
1166 new_wa->user = area;
1167
1168 return ERROR_OK;
1169 }
1170
1171 int target_free_working_area_restore(struct target *target, struct working_area *area, int restore)
1172 {
1173 if (area->free)
1174 return ERROR_OK;
1175
1176 if (restore && target->backup_working_area)
1177 {
1178 int retval;
1179 if ((retval = target_write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
1180 return retval;
1181 }
1182
1183 area->free = 1;
1184
1185 /* mark user pointer invalid */
1186 *area->user = NULL;
1187 area->user = NULL;
1188
1189 return ERROR_OK;
1190 }
1191
1192 int target_free_working_area(struct target *target, struct working_area *area)
1193 {
1194 return target_free_working_area_restore(target, area, 1);
1195 }
1196
1197 /* free resources and restore memory, if restoring memory fails,
1198 * free up resources anyway
1199 */
1200 void target_free_all_working_areas_restore(struct target *target, int restore)
1201 {
1202 struct working_area *c = target->working_areas;
1203
1204 while (c)
1205 {
1206 struct working_area *next = c->next;
1207 target_free_working_area_restore(target, c, restore);
1208
1209 if (c->backup)
1210 free(c->backup);
1211
1212 free(c);
1213
1214 c = next;
1215 }
1216
1217 target->working_areas = NULL;
1218 }
1219
1220 void target_free_all_working_areas(struct target *target)
1221 {
1222 target_free_all_working_areas_restore(target, 1);
1223 }
1224
1225 int target_arch_state(struct target *target)
1226 {
1227 int retval;
1228 if (target == NULL)
1229 {
1230 LOG_USER("No target has been configured");
1231 return ERROR_OK;
1232 }
1233
1234 LOG_USER("target state: %s", target_state_name( target ));
1235
1236 if (target->state != TARGET_HALTED)
1237 return ERROR_OK;
1238
1239 retval = target->type->arch_state(target);
1240 return retval;
1241 }
1242
1243 /* Single aligned words are guaranteed to use 16 or 32 bit access
1244 * mode respectively, otherwise data is handled as quickly as
1245 * possible
1246 */
1247 int target_write_buffer(struct target *target, uint32_t address, uint32_t size, uint8_t *buffer)
1248 {
1249 int retval;
1250 LOG_DEBUG("writing buffer of %i byte at 0x%8.8x",
1251 (int)size, (unsigned)address);
1252
1253 if (!target_was_examined(target))
1254 {
1255 LOG_ERROR("Target not examined yet");
1256 return ERROR_FAIL;
1257 }
1258
1259 if (size == 0) {
1260 return ERROR_OK;
1261 }
1262
1263 if ((address + size - 1) < address)
1264 {
1265 /* GDB can request this when e.g. PC is 0xfffffffc*/
1266 LOG_ERROR("address + size wrapped(0x%08x, 0x%08x)",
1267 (unsigned)address,
1268 (unsigned)size);
1269 return ERROR_FAIL;
1270 }
1271
1272 if (((address % 2) == 0) && (size == 2))
1273 {
1274 return target_write_memory(target, address, 2, 1, buffer);
1275 }
1276
1277 /* handle unaligned head bytes */
1278 if (address % 4)
1279 {
1280 uint32_t unaligned = 4 - (address % 4);
1281
1282 if (unaligned > size)
1283 unaligned = size;
1284
1285 if ((retval = target_write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1286 return retval;
1287
1288 buffer += unaligned;
1289 address += unaligned;
1290 size -= unaligned;
1291 }
1292
1293 /* handle aligned words */
1294 if (size >= 4)
1295 {
1296 int aligned = size - (size % 4);
1297
1298 /* use bulk writes above a certain limit. This may have to be changed */
1299 if (aligned > 128)
1300 {
1301 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1302 return retval;
1303 }
1304 else
1305 {
1306 if ((retval = target_write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1307 return retval;
1308 }
1309
1310 buffer += aligned;
1311 address += aligned;
1312 size -= aligned;
1313 }
1314
1315 /* handle tail writes of less than 4 bytes */
1316 if (size > 0)
1317 {
1318 if ((retval = target_write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1319 return retval;
1320 }
1321
1322 return ERROR_OK;
1323 }
1324
1325 /* Single aligned words are guaranteed to use 16 or 32 bit access
1326 * mode respectively, otherwise data is handled as quickly as
1327 * possible
1328 */
1329 int target_read_buffer(struct target *target, uint32_t address, uint32_t size, uint8_t *buffer)
1330 {
1331 int retval;
1332 LOG_DEBUG("reading buffer of %i byte at 0x%8.8x",
1333 (int)size, (unsigned)address);
1334
1335 if (!target_was_examined(target))
1336 {
1337 LOG_ERROR("Target not examined yet");
1338 return ERROR_FAIL;
1339 }
1340
1341 if (size == 0) {
1342 return ERROR_OK;
1343 }
1344
1345 if ((address + size - 1) < address)
1346 {
1347 /* GDB can request this when e.g. PC is 0xfffffffc*/
1348 LOG_ERROR("address + size wrapped(0x%08" PRIx32 ", 0x%08" PRIx32 ")",
1349 address,
1350 size);
1351 return ERROR_FAIL;
1352 }
1353
1354 if (((address % 2) == 0) && (size == 2))
1355 {
1356 return target_read_memory(target, address, 2, 1, buffer);
1357 }
1358
1359 /* handle unaligned head bytes */
1360 if (address % 4)
1361 {
1362 uint32_t unaligned = 4 - (address % 4);
1363
1364 if (unaligned > size)
1365 unaligned = size;
1366
1367 if ((retval = target_read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1368 return retval;
1369
1370 buffer += unaligned;
1371 address += unaligned;
1372 size -= unaligned;
1373 }
1374
1375 /* handle aligned words */
1376 if (size >= 4)
1377 {
1378 int aligned = size - (size % 4);
1379
1380 if ((retval = target_read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1381 return retval;
1382
1383 buffer += aligned;
1384 address += aligned;
1385 size -= aligned;
1386 }
1387
1388 /*prevent byte access when possible (avoid AHB access limitations in some cases)*/
1389 if(size >=2)
1390 {
1391 int aligned = size - (size%2);
1392 retval = target_read_memory(target, address, 2, aligned / 2, buffer);
1393 if (retval != ERROR_OK)
1394 return retval;
1395
1396 buffer += aligned;
1397 address += aligned;
1398 size -= aligned;
1399 }
1400 /* handle tail writes of less than 4 bytes */
1401 if (size > 0)
1402 {
1403 if ((retval = target_read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1404 return retval;
1405 }
1406
1407 return ERROR_OK;
1408 }
1409
1410 int target_checksum_memory(struct target *target, uint32_t address, uint32_t size, uint32_t* crc)
1411 {
1412 uint8_t *buffer;
1413 int retval;
1414 uint32_t i;
1415 uint32_t checksum = 0;
1416 if (!target_was_examined(target))
1417 {
1418 LOG_ERROR("Target not examined yet");
1419 return ERROR_FAIL;
1420 }
1421
1422 if ((retval = target->type->checksum_memory(target, address,
1423 size, &checksum)) != ERROR_OK)
1424 {
1425 buffer = malloc(size);
1426 if (buffer == NULL)
1427 {
1428 LOG_ERROR("error allocating buffer for section (%d bytes)", (int)size);
1429 return ERROR_INVALID_ARGUMENTS;
1430 }
1431 retval = target_read_buffer(target, address, size, buffer);
1432 if (retval != ERROR_OK)
1433 {
1434 free(buffer);
1435 return retval;
1436 }
1437
1438 /* convert to target endianess */
1439 for (i = 0; i < (size/sizeof(uint32_t)); i++)
1440 {
1441 uint32_t target_data;
1442 target_data = target_buffer_get_u32(target, &buffer[i*sizeof(uint32_t)]);
1443 target_buffer_set_u32(target, &buffer[i*sizeof(uint32_t)], target_data);
1444 }
1445
1446 retval = image_calculate_checksum(buffer, size, &checksum);
1447 free(buffer);
1448 }
1449
1450 *crc = checksum;
1451
1452 return retval;
1453 }
1454
1455 int target_blank_check_memory(struct target *target, uint32_t address, uint32_t size, uint32_t* blank)
1456 {
1457 int retval;
1458 if (!target_was_examined(target))
1459 {
1460 LOG_ERROR("Target not examined yet");
1461 return ERROR_FAIL;
1462 }
1463
1464 if (target->type->blank_check_memory == 0)
1465 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1466
1467 retval = target->type->blank_check_memory(target, address, size, blank);
1468
1469 return retval;
1470 }
1471
1472 int target_read_u32(struct target *target, uint32_t address, uint32_t *value)
1473 {
1474 uint8_t value_buf[4];
1475 if (!target_was_examined(target))
1476 {
1477 LOG_ERROR("Target not examined yet");
1478 return ERROR_FAIL;
1479 }
1480
1481 int retval = target_read_memory(target, address, 4, 1, value_buf);
1482
1483 if (retval == ERROR_OK)
1484 {
1485 *value = target_buffer_get_u32(target, value_buf);
1486 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
1487 address,
1488 *value);
1489 }
1490 else
1491 {
1492 *value = 0x0;
1493 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1494 address);
1495 }
1496
1497 return retval;
1498 }
1499
1500 int target_read_u16(struct target *target, uint32_t address, uint16_t *value)
1501 {
1502 uint8_t value_buf[2];
1503 if (!target_was_examined(target))
1504 {
1505 LOG_ERROR("Target not examined yet");
1506 return ERROR_FAIL;
1507 }
1508
1509 int retval = target_read_memory(target, address, 2, 1, value_buf);
1510
1511 if (retval == ERROR_OK)
1512 {
1513 *value = target_buffer_get_u16(target, value_buf);
1514 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%4.4x",
1515 address,
1516 *value);
1517 }
1518 else
1519 {
1520 *value = 0x0;
1521 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1522 address);
1523 }
1524
1525 return retval;
1526 }
1527
1528 int target_read_u8(struct target *target, uint32_t address, uint8_t *value)
1529 {
1530 int retval = target_read_memory(target, address, 1, 1, value);
1531 if (!target_was_examined(target))
1532 {
1533 LOG_ERROR("Target not examined yet");
1534 return ERROR_FAIL;
1535 }
1536
1537 if (retval == ERROR_OK)
1538 {
1539 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
1540 address,
1541 *value);
1542 }
1543 else
1544 {
1545 *value = 0x0;
1546 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1547 address);
1548 }
1549
1550 return retval;
1551 }
1552
1553 int target_write_u32(struct target *target, uint32_t address, uint32_t value)
1554 {
1555 int retval;
1556 uint8_t value_buf[4];
1557 if (!target_was_examined(target))
1558 {
1559 LOG_ERROR("Target not examined yet");
1560 return ERROR_FAIL;
1561 }
1562
1563 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
1564 address,
1565 value);
1566
1567 target_buffer_set_u32(target, value_buf, value);
1568 if ((retval = target_write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1569 {
1570 LOG_DEBUG("failed: %i", retval);
1571 }
1572
1573 return retval;
1574 }
1575
1576 int target_write_u16(struct target *target, uint32_t address, uint16_t value)
1577 {
1578 int retval;
1579 uint8_t value_buf[2];
1580 if (!target_was_examined(target))
1581 {
1582 LOG_ERROR("Target not examined yet");
1583 return ERROR_FAIL;
1584 }
1585
1586 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8x",
1587 address,
1588 value);
1589
1590 target_buffer_set_u16(target, value_buf, value);
1591 if ((retval = target_write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1592 {
1593 LOG_DEBUG("failed: %i", retval);
1594 }
1595
1596 return retval;
1597 }
1598
1599 int target_write_u8(struct target *target, uint32_t address, uint8_t value)
1600 {
1601 int retval;
1602 if (!target_was_examined(target))
1603 {
1604 LOG_ERROR("Target not examined yet");
1605 return ERROR_FAIL;
1606 }
1607
1608 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
1609 address, value);
1610
1611 if ((retval = target_write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1612 {
1613 LOG_DEBUG("failed: %i", retval);
1614 }
1615
1616 return retval;
1617 }
1618
1619 COMMAND_HANDLER(handle_targets_command)
1620 {
1621 struct target *target = all_targets;
1622
1623 if (CMD_ARGC == 1)
1624 {
1625 target = get_target(CMD_ARGV[0]);
1626 if (target == NULL) {
1627 command_print(CMD_CTX,"Target: %s is unknown, try one of:\n", CMD_ARGV[0]);
1628 goto DumpTargets;
1629 }
1630 if (!target->tap->enabled) {
1631 command_print(CMD_CTX,"Target: TAP %s is disabled, "
1632 "can't be the current target\n",
1633 target->tap->dotted_name);
1634 return ERROR_FAIL;
1635 }
1636
1637 CMD_CTX->current_target = target->target_number;
1638 return ERROR_OK;
1639 }
1640 DumpTargets:
1641
1642 target = all_targets;
1643 command_print(CMD_CTX, " TargetName Type Endian TapName State ");
1644 command_print(CMD_CTX, "-- ------------------ ---------- ------ ------------------ ------------");
1645 while (target)
1646 {
1647 const char *state;
1648 char marker = ' ';
1649
1650 if (target->tap->enabled)
1651 state = target_state_name( target );
1652 else
1653 state = "tap-disabled";
1654
1655 if (CMD_CTX->current_target == target->target_number)
1656 marker = '*';
1657
1658 /* keep columns lined up to match the headers above */
1659 command_print(CMD_CTX, "%2d%c %-18s %-10s %-6s %-18s %s",
1660 target->target_number,
1661 marker,
1662 target_name(target),
1663 target_type_name(target),
1664 Jim_Nvp_value2name_simple(nvp_target_endian,
1665 target->endianness)->name,
1666 target->tap->dotted_name,
1667 state);
1668 target = target->next;
1669 }
1670
1671 return ERROR_OK;
1672 }
1673
1674 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1675
1676 static int powerDropout;
1677 static int srstAsserted;
1678
1679 static int runPowerRestore;
1680 static int runPowerDropout;
1681 static int runSrstAsserted;
1682 static int runSrstDeasserted;
1683
1684 static int sense_handler(void)
1685 {
1686 static int prevSrstAsserted = 0;
1687 static int prevPowerdropout = 0;
1688
1689 int retval;
1690 if ((retval = jtag_power_dropout(&powerDropout)) != ERROR_OK)
1691 return retval;
1692
1693 int powerRestored;
1694 powerRestored = prevPowerdropout && !powerDropout;
1695 if (powerRestored)
1696 {
1697 runPowerRestore = 1;
1698 }
1699
1700 long long current = timeval_ms();
1701 static long long lastPower = 0;
1702 int waitMore = lastPower + 2000 > current;
1703 if (powerDropout && !waitMore)
1704 {
1705 runPowerDropout = 1;
1706 lastPower = current;
1707 }
1708
1709 if ((retval = jtag_srst_asserted(&srstAsserted)) != ERROR_OK)
1710 return retval;
1711
1712 int srstDeasserted;
1713 srstDeasserted = prevSrstAsserted && !srstAsserted;
1714
1715 static long long lastSrst = 0;
1716 waitMore = lastSrst + 2000 > current;
1717 if (srstDeasserted && !waitMore)
1718 {
1719 runSrstDeasserted = 1;
1720 lastSrst = current;
1721 }
1722
1723 if (!prevSrstAsserted && srstAsserted)
1724 {
1725 runSrstAsserted = 1;
1726 }
1727
1728 prevSrstAsserted = srstAsserted;
1729 prevPowerdropout = powerDropout;
1730
1731 if (srstDeasserted || powerRestored)
1732 {
1733 /* Other than logging the event we can't do anything here.
1734 * Issuing a reset is a particularly bad idea as we might
1735 * be inside a reset already.
1736 */
1737 }
1738
1739 return ERROR_OK;
1740 }
1741
1742 static void target_call_event_callbacks_all(enum target_event e) {
1743 struct target *target;
1744 target = all_targets;
1745 while (target) {
1746 target_call_event_callbacks(target, e);
1747 target = target->next;
1748 }
1749 }
1750
1751 /* process target state changes */
1752 static int handle_target(void *priv)
1753 {
1754 Jim_Interp *interp = (Jim_Interp *)priv;
1755 int retval = ERROR_OK;
1756
1757 /* we do not want to recurse here... */
1758 static int recursive = 0;
1759 if (! recursive)
1760 {
1761 recursive = 1;
1762 sense_handler();
1763 /* danger! running these procedures can trigger srst assertions and power dropouts.
1764 * We need to avoid an infinite loop/recursion here and we do that by
1765 * clearing the flags after running these events.
1766 */
1767 int did_something = 0;
1768 if (runSrstAsserted)
1769 {
1770 LOG_INFO("Waking up GDB, srst asserted detected.");
1771 target_call_event_callbacks_all(TARGET_EVENT_GDB_HALT);
1772 Jim_Eval(interp, "srst_asserted");
1773 did_something = 1;
1774 }
1775 if (runSrstDeasserted)
1776 {
1777 Jim_Eval(interp, "srst_deasserted");
1778 did_something = 1;
1779 }
1780 if (runPowerDropout)
1781 {
1782 LOG_INFO("Waking up GDB, power dropout detected.");
1783 target_call_event_callbacks_all(TARGET_EVENT_GDB_HALT);
1784 Jim_Eval(interp, "power_dropout");
1785 did_something = 1;
1786 }
1787 if (runPowerRestore)
1788 {
1789 Jim_Eval(interp, "power_restore");
1790 did_something = 1;
1791 }
1792
1793 if (did_something)
1794 {
1795 /* clear detect flags */
1796 sense_handler();
1797 }
1798
1799 /* clear action flags */
1800
1801 runSrstAsserted = 0;
1802 runSrstDeasserted = 0;
1803 runPowerRestore = 0;
1804 runPowerDropout = 0;
1805
1806 recursive = 0;
1807 }
1808
1809 /* Poll targets for state changes unless that's globally disabled.
1810 * Skip targets that are currently disabled.
1811 */
1812 for (struct target *target = all_targets;
1813 is_jtag_poll_safe() && target;
1814 target = target->next)
1815 {
1816 if (!target->tap->enabled)
1817 continue;
1818
1819 /* only poll target if we've got power and srst isn't asserted */
1820 if (!powerDropout && !srstAsserted)
1821 {
1822 /* polling may fail silently until the target has been examined */
1823 if ((retval = target_poll(target)) != ERROR_OK)
1824 {
1825 /* FIX!!!!! If we add a LOG_INFO() here to output a line in GDB
1826 * *why* we are aborting GDB, then we'll spam telnet when the
1827 * poll is failing persistently.
1828 *
1829 * If we could implement an event that detected the
1830 * target going from non-pollable to pollable, we could issue
1831 * an error only upon the transition.
1832 */
1833 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
1834 return retval;
1835 }
1836 }
1837 }
1838
1839 return retval;
1840 }
1841
1842 COMMAND_HANDLER(handle_reg_command)
1843 {
1844 struct target *target;
1845 struct reg *reg = NULL;
1846 unsigned count = 0;
1847 char *value;
1848
1849 LOG_DEBUG("-");
1850
1851 target = get_current_target(CMD_CTX);
1852
1853 /* list all available registers for the current target */
1854 if (CMD_ARGC == 0)
1855 {
1856 struct reg_cache *cache = target->reg_cache;
1857
1858 count = 0;
1859 while (cache)
1860 {
1861 unsigned i;
1862
1863 command_print(CMD_CTX, "===== %s", cache->name);
1864
1865 for (i = 0, reg = cache->reg_list;
1866 i < cache->num_regs;
1867 i++, reg++, count++)
1868 {
1869 /* only print cached values if they are valid */
1870 if (reg->valid) {
1871 value = buf_to_str(reg->value,
1872 reg->size, 16);
1873 command_print(CMD_CTX,
1874 "(%i) %s (/%" PRIu32 "): 0x%s%s",
1875 count, reg->name,
1876 reg->size, value,
1877 reg->dirty
1878 ? " (dirty)"
1879 : "");
1880 free(value);
1881 } else {
1882 command_print(CMD_CTX, "(%i) %s (/%" PRIu32 ")",
1883 count, reg->name,
1884 reg->size) ;
1885 }
1886 }
1887 cache = cache->next;
1888 }
1889
1890 return ERROR_OK;
1891 }
1892
1893 /* access a single register by its ordinal number */
1894 if ((CMD_ARGV[0][0] >= '0') && (CMD_ARGV[0][0] <= '9'))
1895 {
1896 unsigned num;
1897 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], num);
1898
1899 struct reg_cache *cache = target->reg_cache;
1900 count = 0;
1901 while (cache)
1902 {
1903 unsigned i;
1904 for (i = 0; i < cache->num_regs; i++)
1905 {
1906 if (count++ == num)
1907 {
1908 reg = &cache->reg_list[i];
1909 break;
1910 }
1911 }
1912 if (reg)
1913 break;
1914 cache = cache->next;
1915 }
1916
1917 if (!reg)
1918 {
1919 command_print(CMD_CTX, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1920 return ERROR_OK;
1921 }
1922 } else /* access a single register by its name */
1923 {
1924 reg = register_get_by_name(target->reg_cache, CMD_ARGV[0], 1);
1925
1926 if (!reg)
1927 {
1928 command_print(CMD_CTX, "register %s not found in current target", CMD_ARGV[0]);
1929 return ERROR_OK;
1930 }
1931 }
1932
1933 /* display a register */
1934 if ((CMD_ARGC == 1) || ((CMD_ARGC == 2) && !((CMD_ARGV[1][0] >= '0') && (CMD_ARGV[1][0] <= '9'))))
1935 {
1936 if ((CMD_ARGC == 2) && (strcmp(CMD_ARGV[1], "force") == 0))
1937 reg->valid = 0;
1938
1939 if (reg->valid == 0)
1940 {
1941 reg->type->get(reg);
1942 }
1943 value = buf_to_str(reg->value, reg->size, 16);
1944 command_print(CMD_CTX, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
1945 free(value);
1946 return ERROR_OK;
1947 }
1948
1949 /* set register value */
1950 if (CMD_ARGC == 2)
1951 {
1952 uint8_t *buf = malloc(DIV_ROUND_UP(reg->size, 8));
1953 str_to_buf(CMD_ARGV[1], strlen(CMD_ARGV[1]), buf, reg->size, 0);
1954
1955 reg->type->set(reg, buf);
1956
1957 value = buf_to_str(reg->value, reg->size, 16);
1958 command_print(CMD_CTX, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
1959 free(value);
1960
1961 free(buf);
1962
1963 return ERROR_OK;
1964 }
1965
1966 command_print(CMD_CTX, "usage: reg <#|name> [value]");
1967
1968 return ERROR_OK;
1969 }
1970
1971 COMMAND_HANDLER(handle_poll_command)
1972 {
1973 int retval = ERROR_OK;
1974 struct target *target = get_current_target(CMD_CTX);
1975
1976 if (CMD_ARGC == 0)
1977 {
1978 command_print(CMD_CTX, "background polling: %s",
1979 jtag_poll_get_enabled() ? "on" : "off");
1980 command_print(CMD_CTX, "TAP: %s (%s)",
1981 target->tap->dotted_name,
1982 target->tap->enabled ? "enabled" : "disabled");
1983 if (!target->tap->enabled)
1984 return ERROR_OK;
1985 if ((retval = target_poll(target)) != ERROR_OK)
1986 return retval;
1987 if ((retval = target_arch_state(target)) != ERROR_OK)
1988 return retval;
1989 }
1990 else if (CMD_ARGC == 1)
1991 {
1992 bool enable;
1993 COMMAND_PARSE_ON_OFF(CMD_ARGV[0], enable);
1994 jtag_poll_set_enabled(enable);
1995 }
1996 else
1997 {
1998 return ERROR_COMMAND_SYNTAX_ERROR;
1999 }
2000
2001 return retval;
2002 }
2003
2004 COMMAND_HANDLER(handle_wait_halt_command)
2005 {
2006 if (CMD_ARGC > 1)
2007 return ERROR_COMMAND_SYNTAX_ERROR;
2008
2009 unsigned ms = 5000;
2010 if (1 == CMD_ARGC)
2011 {
2012 int retval = parse_uint(CMD_ARGV[0], &ms);
2013 if (ERROR_OK != retval)
2014 {
2015 command_print(CMD_CTX, "usage: %s [seconds]", CMD_NAME);
2016 return ERROR_COMMAND_SYNTAX_ERROR;
2017 }
2018 // convert seconds (given) to milliseconds (needed)
2019 ms *= 1000;
2020 }
2021
2022 struct target *target = get_current_target(CMD_CTX);
2023 return target_wait_state(target, TARGET_HALTED, ms);
2024 }
2025
2026 /* wait for target state to change. The trick here is to have a low
2027 * latency for short waits and not to suck up all the CPU time
2028 * on longer waits.
2029 *
2030 * After 500ms, keep_alive() is invoked
2031 */
2032 int target_wait_state(struct target *target, enum target_state state, int ms)
2033 {
2034 int retval;
2035 long long then = 0, cur;
2036 int once = 1;
2037
2038 for (;;)
2039 {
2040 if ((retval = target_poll(target)) != ERROR_OK)
2041 return retval;
2042 if (target->state == state)
2043 {
2044 break;
2045 }
2046 cur = timeval_ms();
2047 if (once)
2048 {
2049 once = 0;
2050 then = timeval_ms();
2051 LOG_DEBUG("waiting for target %s...",
2052 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
2053 }
2054
2055 if (cur-then > 500)
2056 {
2057 keep_alive();
2058 }
2059
2060 if ((cur-then) > ms)
2061 {
2062 LOG_ERROR("timed out while waiting for target %s",
2063 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
2064 return ERROR_FAIL;
2065 }
2066 }
2067
2068 return ERROR_OK;
2069 }
2070
2071 COMMAND_HANDLER(handle_halt_command)
2072 {
2073 LOG_DEBUG("-");
2074
2075 struct target *target = get_current_target(CMD_CTX);
2076 int retval = target_halt(target);
2077 if (ERROR_OK != retval)
2078 return retval;
2079
2080 if (CMD_ARGC == 1)
2081 {
2082 unsigned wait;
2083 retval = parse_uint(CMD_ARGV[0], &wait);
2084 if (ERROR_OK != retval)
2085 return ERROR_COMMAND_SYNTAX_ERROR;
2086 if (!wait)
2087 return ERROR_OK;
2088 }
2089
2090 return CALL_COMMAND_HANDLER(handle_wait_halt_command);
2091 }
2092
2093 COMMAND_HANDLER(handle_soft_reset_halt_command)
2094 {
2095 struct target *target = get_current_target(CMD_CTX);
2096
2097 LOG_USER("requesting target halt and executing a soft reset");
2098
2099 target->type->soft_reset_halt(target);
2100
2101 return ERROR_OK;
2102 }
2103
2104 COMMAND_HANDLER(handle_reset_command)
2105 {
2106 if (CMD_ARGC > 1)
2107 return ERROR_COMMAND_SYNTAX_ERROR;
2108
2109 enum target_reset_mode reset_mode = RESET_RUN;
2110 if (CMD_ARGC == 1)
2111 {
2112 const Jim_Nvp *n;
2113 n = Jim_Nvp_name2value_simple(nvp_reset_modes, CMD_ARGV[0]);
2114 if ((n->name == NULL) || (n->value == RESET_UNKNOWN)) {
2115 return ERROR_COMMAND_SYNTAX_ERROR;
2116 }
2117 reset_mode = n->value;
2118 }
2119
2120 /* reset *all* targets */
2121 return target_process_reset(CMD_CTX, reset_mode);
2122 }
2123
2124
2125 COMMAND_HANDLER(handle_resume_command)
2126 {
2127 int current = 1;
2128 if (CMD_ARGC > 1)
2129 return ERROR_COMMAND_SYNTAX_ERROR;
2130
2131 struct target *target = get_current_target(CMD_CTX);
2132 target_handle_event(target, TARGET_EVENT_OLD_pre_resume);
2133
2134 /* with no CMD_ARGV, resume from current pc, addr = 0,
2135 * with one arguments, addr = CMD_ARGV[0],
2136 * handle breakpoints, not debugging */
2137 uint32_t addr = 0;
2138 if (CMD_ARGC == 1)
2139 {
2140 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
2141 current = 0;
2142 }
2143
2144 return target_resume(target, current, addr, 1, 0);
2145 }
2146
2147 COMMAND_HANDLER(handle_step_command)
2148 {
2149 if (CMD_ARGC > 1)
2150 return ERROR_COMMAND_SYNTAX_ERROR;
2151
2152 LOG_DEBUG("-");
2153
2154 /* with no CMD_ARGV, step from current pc, addr = 0,
2155 * with one argument addr = CMD_ARGV[0],
2156 * handle breakpoints, debugging */
2157 uint32_t addr = 0;
2158 int current_pc = 1;
2159 if (CMD_ARGC == 1)
2160 {
2161 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
2162 current_pc = 0;
2163 }
2164
2165 struct target *target = get_current_target(CMD_CTX);
2166
2167 return target->type->step(target, current_pc, addr, 1);
2168 }
2169
2170 static void handle_md_output(struct command_context *cmd_ctx,
2171 struct target *target, uint32_t address, unsigned size,
2172 unsigned count, const uint8_t *buffer)
2173 {
2174 const unsigned line_bytecnt = 32;
2175 unsigned line_modulo = line_bytecnt / size;
2176
2177 char output[line_bytecnt * 4 + 1];
2178 unsigned output_len = 0;
2179
2180 const char *value_fmt;
2181 switch (size) {
2182 case 4: value_fmt = "%8.8x "; break;
2183 case 2: value_fmt = "%4.4x "; break;
2184 case 1: value_fmt = "%2.2x "; break;
2185 default:
2186 /* "can't happen", caller checked */
2187 LOG_ERROR("invalid memory read size: %u", size);
2188 return;
2189 }
2190
2191 for (unsigned i = 0; i < count; i++)
2192 {
2193 if (i % line_modulo == 0)
2194 {
2195 output_len += snprintf(output + output_len,
2196 sizeof(output) - output_len,
2197 "0x%8.8x: ",
2198 (unsigned)(address + (i*size)));
2199 }
2200
2201 uint32_t value = 0;
2202 const uint8_t *value_ptr = buffer + i * size;
2203 switch (size) {
2204 case 4: value = target_buffer_get_u32(target, value_ptr); break;
2205 case 2: value = target_buffer_get_u16(target, value_ptr); break;
2206 case 1: value = *value_ptr;
2207 }
2208 output_len += snprintf(output + output_len,
2209 sizeof(output) - output_len,
2210 value_fmt, value);
2211
2212 if ((i % line_modulo == line_modulo - 1) || (i == count - 1))
2213 {
2214 command_print(cmd_ctx, "%s", output);
2215 output_len = 0;
2216 }
2217 }
2218 }
2219
2220 COMMAND_HANDLER(handle_md_command)
2221 {
2222 if (CMD_ARGC < 1)
2223 return ERROR_COMMAND_SYNTAX_ERROR;
2224
2225 unsigned size = 0;
2226 switch (CMD_NAME[2]) {
2227 case 'w': size = 4; break;
2228 case 'h': size = 2; break;
2229 case 'b': size = 1; break;
2230 default: return ERROR_COMMAND_SYNTAX_ERROR;
2231 }
2232
2233 bool physical=strcmp(CMD_ARGV[0], "phys")==0;
2234 int (*fn)(struct target *target,
2235 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
2236 if (physical)
2237 {
2238 CMD_ARGC--;
2239 CMD_ARGV++;
2240 fn=target_read_phys_memory;
2241 } else
2242 {
2243 fn=target_read_memory;
2244 }
2245 if ((CMD_ARGC < 1) || (CMD_ARGC > 2))
2246 {
2247 return ERROR_COMMAND_SYNTAX_ERROR;
2248 }
2249
2250 uint32_t address;
2251 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
2252
2253 unsigned count = 1;
2254 if (CMD_ARGC == 2)
2255 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[1], count);
2256
2257 uint8_t *buffer = calloc(count, size);
2258
2259 struct target *target = get_current_target(CMD_CTX);
2260 int retval = fn(target, address, size, count, buffer);
2261 if (ERROR_OK == retval)
2262 handle_md_output(CMD_CTX, target, address, size, count, buffer);
2263
2264 free(buffer);
2265
2266 return retval;
2267 }
2268
2269 COMMAND_HANDLER(handle_mw_command)
2270 {
2271 if (CMD_ARGC < 2)
2272 {
2273 return ERROR_COMMAND_SYNTAX_ERROR;
2274 }
2275 bool physical=strcmp(CMD_ARGV[0], "phys")==0;
2276 int (*fn)(struct target *target,
2277 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
2278 if (physical)
2279 {
2280 CMD_ARGC--;
2281 CMD_ARGV++;
2282 fn=target_write_phys_memory;
2283 } else
2284 {
2285 fn=target_write_memory;
2286 }
2287 if ((CMD_ARGC < 2) || (CMD_ARGC > 3))
2288 return ERROR_COMMAND_SYNTAX_ERROR;
2289
2290 uint32_t address;
2291 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
2292
2293 uint32_t value;
2294 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], value);
2295
2296 unsigned count = 1;
2297 if (CMD_ARGC == 3)
2298 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[2], count);
2299
2300 struct target *target = get_current_target(CMD_CTX);
2301 unsigned wordsize;
2302 uint8_t value_buf[4];
2303 switch (CMD_NAME[2])
2304 {
2305 case 'w':
2306 wordsize = 4;
2307 target_buffer_set_u32(target, value_buf, value);
2308 break;
2309 case 'h':
2310 wordsize = 2;
2311 target_buffer_set_u16(target, value_buf, value);
2312 break;
2313 case 'b':
2314 wordsize = 1;
2315 value_buf[0] = value;
2316 break;
2317 default:
2318 return ERROR_COMMAND_SYNTAX_ERROR;
2319 }
2320 for (unsigned i = 0; i < count; i++)
2321 {
2322 int retval = fn(target,
2323 address + i * wordsize, wordsize, 1, value_buf);
2324 if (ERROR_OK != retval)
2325 return retval;
2326 keep_alive();
2327 }
2328
2329 return ERROR_OK;
2330
2331 }
2332
2333 static COMMAND_HELPER(parse_load_image_command_CMD_ARGV, struct image *image,
2334 uint32_t *min_address, uint32_t *max_address)
2335 {
2336 if (CMD_ARGC < 1 || CMD_ARGC > 5)
2337 return ERROR_COMMAND_SYNTAX_ERROR;
2338
2339 /* a base address isn't always necessary,
2340 * default to 0x0 (i.e. don't relocate) */
2341 if (CMD_ARGC >= 2)
2342 {
2343 uint32_t addr;
2344 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], addr);
2345 image->base_address = addr;
2346 image->base_address_set = 1;
2347 }
2348 else
2349 image->base_address_set = 0;
2350
2351 image->start_address_set = 0;
2352
2353 if (CMD_ARGC >= 4)
2354 {
2355 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[3], *min_address);
2356 }
2357 if (CMD_ARGC == 5)
2358 {
2359 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[4], *max_address);
2360 // use size (given) to find max (required)
2361 *max_address += *min_address;
2362 }
2363
2364 if (*min_address > *max_address)
2365 return ERROR_COMMAND_SYNTAX_ERROR;
2366
2367 return ERROR_OK;
2368 }
2369
2370 COMMAND_HANDLER(handle_load_image_command)
2371 {
2372 uint8_t *buffer;
2373 size_t buf_cnt;
2374 uint32_t image_size;
2375 uint32_t min_address = 0;
2376 uint32_t max_address = 0xffffffff;
2377 int i;
2378 struct image image;
2379
2380 int retval = CALL_COMMAND_HANDLER(parse_load_image_command_CMD_ARGV,
2381 &image, &min_address, &max_address);
2382 if (ERROR_OK != retval)
2383 return retval;
2384
2385 struct target *target = get_current_target(CMD_CTX);
2386
2387 struct duration bench;
2388 duration_start(&bench);
2389
2390 if (image_open(&image, CMD_ARGV[0], (CMD_ARGC >= 3) ? CMD_ARGV[2] : NULL) != ERROR_OK)
2391 {
2392 return ERROR_OK;
2393 }
2394
2395 image_size = 0x0;
2396 retval = ERROR_OK;
2397 for (i = 0; i < image.num_sections; i++)
2398 {
2399 buffer = malloc(image.sections[i].size);
2400 if (buffer == NULL)
2401 {
2402 command_print(CMD_CTX,
2403 "error allocating buffer for section (%d bytes)",
2404 (int)(image.sections[i].size));
2405 break;
2406 }
2407
2408 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2409 {
2410 free(buffer);
2411 break;
2412 }
2413
2414 uint32_t offset = 0;
2415 uint32_t length = buf_cnt;
2416
2417 /* DANGER!!! beware of unsigned comparision here!!! */
2418
2419 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
2420 (image.sections[i].base_address < max_address))
2421 {
2422 if (image.sections[i].base_address < min_address)
2423 {
2424 /* clip addresses below */
2425 offset += min_address-image.sections[i].base_address;
2426 length -= offset;
2427 }
2428
2429 if (image.sections[i].base_address + buf_cnt > max_address)
2430 {
2431 length -= (image.sections[i].base_address + buf_cnt)-max_address;
2432 }
2433
2434 if ((retval = target_write_buffer(target, image.sections[i].base_address + offset, length, buffer + offset)) != ERROR_OK)
2435 {
2436 free(buffer);
2437 break;
2438 }
2439 image_size += length;
2440 command_print(CMD_CTX, "%u bytes written at address 0x%8.8" PRIx32 "",
2441 (unsigned int)length,
2442 image.sections[i].base_address + offset);
2443 }
2444
2445 free(buffer);
2446 }
2447
2448 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
2449 {
2450 command_print(CMD_CTX, "downloaded %" PRIu32 " bytes "
2451 "in %fs (%0.3f kb/s)", image_size,
2452 duration_elapsed(&bench), duration_kbps(&bench, image_size));
2453 }
2454
2455 image_close(&image);
2456
2457 return retval;
2458
2459 }
2460
2461 COMMAND_HANDLER(handle_dump_image_command)
2462 {
2463 struct fileio fileio;
2464
2465 uint8_t buffer[560];
2466 int retvaltemp;
2467
2468
2469 struct target *target = get_current_target(CMD_CTX);
2470
2471 if (CMD_ARGC != 3)
2472 {
2473 command_print(CMD_CTX, "usage: dump_image <filename> <address> <size>");
2474 return ERROR_OK;
2475 }
2476
2477 uint32_t address;
2478 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], address);
2479 uint32_t size;
2480 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], size);
2481
2482 if (fileio_open(&fileio, CMD_ARGV[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2483 {
2484 return ERROR_OK;
2485 }
2486
2487 struct duration bench;
2488 duration_start(&bench);
2489
2490 int retval = ERROR_OK;
2491 while (size > 0)
2492 {
2493 size_t size_written;
2494 uint32_t this_run_size = (size > 560) ? 560 : size;
2495 retval = target_read_buffer(target, address, this_run_size, buffer);
2496 if (retval != ERROR_OK)
2497 {
2498 break;
2499 }
2500
2501 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2502 if (retval != ERROR_OK)
2503 {
2504 break;
2505 }
2506
2507 size -= this_run_size;
2508 address += this_run_size;
2509 }
2510
2511 if ((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2512 return retvaltemp;
2513
2514 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
2515 {
2516 command_print(CMD_CTX,
2517 "dumped %ld bytes in %fs (%0.3f kb/s)", (long)fileio.size,
2518 duration_elapsed(&bench), duration_kbps(&bench, fileio.size));
2519 }
2520
2521 return retval;
2522 }
2523
2524 static COMMAND_HELPER(handle_verify_image_command_internal, int verify)
2525 {
2526 uint8_t *buffer;
2527 size_t buf_cnt;
2528 uint32_t image_size;
2529 int i;
2530 int retval;
2531 uint32_t checksum = 0;
2532 uint32_t mem_checksum = 0;
2533
2534 struct image image;
2535
2536 struct target *target = get_current_target(CMD_CTX);
2537
2538 if (CMD_ARGC < 1)
2539 {
2540 return ERROR_COMMAND_SYNTAX_ERROR;
2541 }
2542
2543 if (!target)
2544 {
2545 LOG_ERROR("no target selected");
2546 return ERROR_FAIL;
2547 }
2548
2549 struct duration bench;
2550 duration_start(&bench);
2551
2552 if (CMD_ARGC >= 2)
2553 {
2554 uint32_t addr;
2555 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], addr);
2556 image.base_address = addr;
2557 image.base_address_set = 1;
2558 }
2559 else
2560 {
2561 image.base_address_set = 0;
2562 image.base_address = 0x0;
2563 }
2564
2565 image.start_address_set = 0;
2566
2567 if ((retval = image_open(&image, CMD_ARGV[0], (CMD_ARGC == 3) ? CMD_ARGV[2] : NULL)) != ERROR_OK)
2568 {
2569 return retval;
2570 }
2571
2572 image_size = 0x0;
2573 retval = ERROR_OK;
2574 for (i = 0; i < image.num_sections; i++)
2575 {
2576 buffer = malloc(image.sections[i].size);
2577 if (buffer == NULL)
2578 {
2579 command_print(CMD_CTX,
2580 "error allocating buffer for section (%d bytes)",
2581 (int)(image.sections[i].size));
2582 break;
2583 }
2584 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2585 {
2586 free(buffer);
2587 break;
2588 }
2589
2590 if (verify)
2591 {
2592 /* calculate checksum of image */
2593 image_calculate_checksum(buffer, buf_cnt, &checksum);
2594
2595 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2596 if (retval != ERROR_OK)
2597 {
2598 free(buffer);
2599 break;
2600 }
2601
2602 if (checksum != mem_checksum)
2603 {
2604 /* failed crc checksum, fall back to a binary compare */
2605 uint8_t *data;
2606
2607 command_print(CMD_CTX, "checksum mismatch - attempting binary compare");
2608
2609 data = (uint8_t*)malloc(buf_cnt);
2610
2611 /* Can we use 32bit word accesses? */
2612 int size = 1;
2613 int count = buf_cnt;
2614 if ((count % 4) == 0)
2615 {
2616 size *= 4;
2617 count /= 4;
2618 }
2619 retval = target_read_memory(target, image.sections[i].base_address, size, count, data);
2620 if (retval == ERROR_OK)
2621 {
2622 uint32_t t;
2623 for (t = 0; t < buf_cnt; t++)
2624 {
2625 if (data[t] != buffer[t])
2626 {
2627 command_print(CMD_CTX,
2628 "Verify operation failed address 0x%08x. Was 0x%02x instead of 0x%02x\n",
2629 (unsigned)(t + image.sections[i].base_address),
2630 data[t],
2631 buffer[t]);
2632 free(data);
2633 free(buffer);
2634 retval = ERROR_FAIL;
2635 goto done;
2636 }
2637 if ((t%16384) == 0)
2638 {
2639 keep_alive();
2640 }
2641 }
2642 }
2643
2644 free(data);
2645 }
2646 } else
2647 {
2648 command_print(CMD_CTX, "address 0x%08" PRIx32 " length 0x%08zx",
2649 image.sections[i].base_address,
2650 buf_cnt);
2651 }
2652
2653 free(buffer);
2654 image_size += buf_cnt;
2655 }
2656 done:
2657 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
2658 {
2659 command_print(CMD_CTX, "verified %" PRIu32 " bytes "
2660 "in %fs (%0.3f kb/s)", image_size,
2661 duration_elapsed(&bench), duration_kbps(&bench, image_size));
2662 }
2663
2664 image_close(&image);
2665
2666 return retval;
2667 }
2668
2669 COMMAND_HANDLER(handle_verify_image_command)
2670 {
2671 return CALL_COMMAND_HANDLER(handle_verify_image_command_internal, 1);
2672 }
2673
2674 COMMAND_HANDLER(handle_test_image_command)
2675 {
2676 return CALL_COMMAND_HANDLER(handle_verify_image_command_internal, 0);
2677 }
2678
2679 static int handle_bp_command_list(struct command_context *cmd_ctx)
2680 {
2681 struct target *target = get_current_target(cmd_ctx);
2682 struct breakpoint *breakpoint = target->breakpoints;
2683 while (breakpoint)
2684 {
2685 if (breakpoint->type == BKPT_SOFT)
2686 {
2687 char* buf = buf_to_str(breakpoint->orig_instr,
2688 breakpoint->length, 16);
2689 command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i, 0x%s",
2690 breakpoint->address,
2691 breakpoint->length,
2692 breakpoint->set, buf);
2693 free(buf);
2694 }
2695 else
2696 {
2697 command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i",
2698 breakpoint->address,
2699 breakpoint->length, breakpoint->set);
2700 }
2701
2702 breakpoint = breakpoint->next;
2703 }
2704 return ERROR_OK;
2705 }
2706
2707 static int handle_bp_command_set(struct command_context *cmd_ctx,
2708 uint32_t addr, uint32_t length, int hw)
2709 {
2710 struct target *target = get_current_target(cmd_ctx);
2711 int retval = breakpoint_add(target, addr, length, hw);
2712 if (ERROR_OK == retval)
2713 command_print(cmd_ctx, "breakpoint set at 0x%8.8" PRIx32 "", addr);
2714 else
2715 LOG_ERROR("Failure setting breakpoint");
2716 return retval;
2717 }
2718
2719 COMMAND_HANDLER(handle_bp_command)
2720 {
2721 if (CMD_ARGC == 0)
2722 return handle_bp_command_list(CMD_CTX);
2723
2724 if (CMD_ARGC < 2 || CMD_ARGC > 3)
2725 {
2726 command_print(CMD_CTX, "usage: bp <address> <length> ['hw']");
2727 return ERROR_COMMAND_SYNTAX_ERROR;
2728 }
2729
2730 uint32_t addr;
2731 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
2732 uint32_t length;
2733 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
2734
2735 int hw = BKPT_SOFT;
2736 if (CMD_ARGC == 3)
2737 {
2738 if (strcmp(CMD_ARGV[2], "hw") == 0)
2739 hw = BKPT_HARD;
2740 else
2741 return ERROR_COMMAND_SYNTAX_ERROR;
2742 }
2743
2744 return handle_bp_command_set(CMD_CTX, addr, length, hw);
2745 }
2746
2747 COMMAND_HANDLER(handle_rbp_command)
2748 {
2749 if (CMD_ARGC != 1)
2750 return ERROR_COMMAND_SYNTAX_ERROR;
2751
2752 uint32_t addr;
2753 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
2754
2755 struct target *target = get_current_target(CMD_CTX);
2756 breakpoint_remove(target, addr);
2757
2758 return ERROR_OK;
2759 }
2760
2761 COMMAND_HANDLER(handle_wp_command)
2762 {
2763 struct target *target = get_current_target(CMD_CTX);
2764
2765 if (CMD_ARGC == 0)
2766 {
2767 struct watchpoint *watchpoint = target->watchpoints;
2768
2769 while (watchpoint)
2770 {
2771 command_print(CMD_CTX, "address: 0x%8.8" PRIx32
2772 ", len: 0x%8.8" PRIx32
2773 ", r/w/a: %i, value: 0x%8.8" PRIx32
2774 ", mask: 0x%8.8" PRIx32,
2775 watchpoint->address,
2776 watchpoint->length,
2777 (int)watchpoint->rw,
2778 watchpoint->value,
2779 watchpoint->mask);
2780 watchpoint = watchpoint->next;
2781 }
2782 return ERROR_OK;
2783 }
2784
2785 enum watchpoint_rw type = WPT_ACCESS;
2786 uint32_t addr = 0;
2787 uint32_t length = 0;
2788 uint32_t data_value = 0x0;
2789 uint32_t data_mask = 0xffffffff;
2790
2791 switch (CMD_ARGC)
2792 {
2793 case 5:
2794 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[4], data_mask);
2795 // fall through
2796 case 4:
2797 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[3], data_value);
2798 // fall through
2799 case 3:
2800 switch (CMD_ARGV[2][0])
2801 {
2802 case 'r':
2803 type = WPT_READ;
2804 break;
2805 case 'w':
2806 type = WPT_WRITE;
2807 break;
2808 case 'a':
2809 type = WPT_ACCESS;
2810 break;
2811 default:
2812 LOG_ERROR("invalid watchpoint mode ('%c')", CMD_ARGV[2][0]);
2813 return ERROR_COMMAND_SYNTAX_ERROR;
2814 }
2815 // fall through
2816 case 2:
2817 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
2818 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
2819 break;
2820
2821 default:
2822 command_print(CMD_CTX, "usage: wp [address length "
2823 "[(r|w|a) [value [mask]]]]");
2824 return ERROR_COMMAND_SYNTAX_ERROR;
2825 }
2826
2827 int retval = watchpoint_add(target, addr, length, type,
2828 data_value, data_mask);
2829 if (ERROR_OK != retval)
2830 LOG_ERROR("Failure setting watchpoints");
2831
2832 return retval;
2833 }
2834
2835 COMMAND_HANDLER(handle_rwp_command)
2836 {
2837 if (CMD_ARGC != 1)
2838 return ERROR_COMMAND_SYNTAX_ERROR;
2839
2840 uint32_t addr;
2841 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
2842
2843 struct target *target = get_current_target(CMD_CTX);
2844 watchpoint_remove(target, addr);
2845
2846 return ERROR_OK;
2847 }
2848
2849
2850 /**
2851 * Translate a virtual address to a physical address.
2852 *
2853 * The low-level target implementation must have logged a detailed error
2854 * which is forwarded to telnet/GDB session.
2855 */
2856 COMMAND_HANDLER(handle_virt2phys_command)
2857 {
2858 if (CMD_ARGC != 1)
2859 return ERROR_COMMAND_SYNTAX_ERROR;
2860
2861 uint32_t va;
2862 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], va);
2863 uint32_t pa;
2864
2865 struct target *target = get_current_target(CMD_CTX);
2866 int retval = target->type->virt2phys(target, va, &pa);
2867 if (retval == ERROR_OK)
2868 command_print(CMD_CTX, "Physical address 0x%08" PRIx32 "", pa);
2869
2870 return retval;
2871 }
2872
2873 static void writeData(FILE *f, const void *data, size_t len)
2874 {
2875 size_t written = fwrite(data, 1, len, f);
2876 if (written != len)
2877 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
2878 }
2879
2880 static void writeLong(FILE *f, int l)
2881 {
2882 int i;
2883 for (i = 0; i < 4; i++)
2884 {
2885 char c = (l >> (i*8))&0xff;
2886 writeData(f, &c, 1);
2887 }
2888
2889 }
2890
2891 static void writeString(FILE *f, char *s)
2892 {
2893 writeData(f, s, strlen(s));
2894 }
2895
2896 /* Dump a gmon.out histogram file. */
2897 static void writeGmon(uint32_t *samples, uint32_t sampleNum, const char *filename)
2898 {
2899 uint32_t i;
2900 FILE *f = fopen(filename, "w");
2901 if (f == NULL)
2902 return;
2903 writeString(f, "gmon");
2904 writeLong(f, 0x00000001); /* Version */
2905 writeLong(f, 0); /* padding */
2906 writeLong(f, 0); /* padding */
2907 writeLong(f, 0); /* padding */
2908
2909 uint8_t zero = 0; /* GMON_TAG_TIME_HIST */
2910 writeData(f, &zero, 1);
2911
2912 /* figure out bucket size */
2913 uint32_t min = samples[0];
2914 uint32_t max = samples[0];
2915 for (i = 0; i < sampleNum; i++)
2916 {
2917 if (min > samples[i])
2918 {
2919 min = samples[i];
2920 }
2921 if (max < samples[i])
2922 {
2923 max = samples[i];
2924 }
2925 }
2926
2927 int addressSpace = (max-min + 1);
2928
2929 static const uint32_t maxBuckets = 256 * 1024; /* maximum buckets. */
2930 uint32_t length = addressSpace;
2931 if (length > maxBuckets)
2932 {
2933 length = maxBuckets;
2934 }
2935 int *buckets = malloc(sizeof(int)*length);
2936 if (buckets == NULL)
2937 {
2938 fclose(f);
2939 return;
2940 }
2941 memset(buckets, 0, sizeof(int)*length);
2942 for (i = 0; i < sampleNum;i++)
2943 {
2944 uint32_t address = samples[i];
2945 long long a = address-min;
2946 long long b = length-1;
2947 long long c = addressSpace-1;
2948 int index = (a*b)/c; /* danger!!!! int32 overflows */
2949 buckets[index]++;
2950 }
2951
2952 /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
2953 writeLong(f, min); /* low_pc */
2954 writeLong(f, max); /* high_pc */
2955 writeLong(f, length); /* # of samples */
2956 writeLong(f, 64000000); /* 64MHz */
2957 writeString(f, "seconds");
2958 for (i = 0; i < (15-strlen("seconds")); i++)
2959 writeData(f, &zero, 1);
2960 writeString(f, "s");
2961
2962 /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
2963
2964 char *data = malloc(2*length);
2965 if (data != NULL)
2966 {
2967 for (i = 0; i < length;i++)
2968 {
2969 int val;
2970 val = buckets[i];
2971 if (val > 65535)
2972 {
2973 val = 65535;
2974 }
2975 data[i*2]=val&0xff;
2976 data[i*2 + 1]=(val >> 8)&0xff;
2977 }
2978 free(buckets);
2979 writeData(f, data, length * 2);
2980 free(data);
2981 } else
2982 {
2983 free(buckets);
2984 }
2985
2986 fclose(f);
2987 }
2988
2989 /* profiling samples the CPU PC as quickly as OpenOCD is able,
2990 * which will be used as a random sampling of PC */
2991 COMMAND_HANDLER(handle_profile_command)
2992 {
2993 struct target *target = get_current_target(CMD_CTX);
2994 struct timeval timeout, now;
2995
2996 gettimeofday(&timeout, NULL);
2997 if (CMD_ARGC != 2)
2998 {
2999 return ERROR_COMMAND_SYNTAX_ERROR;
3000 }
3001 unsigned offset;
3002 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], offset);
3003
3004 timeval_add_time(&timeout, offset, 0);
3005
3006 /**
3007 * @todo: Some cores let us sample the PC without the
3008 * annoying halt/resume step; for example, ARMv7 PCSR.
3009 * Provide a way to use that more efficient mechanism.
3010 */
3011
3012 command_print(CMD_CTX, "Starting profiling. Halting and resuming the target as often as we can...");
3013
3014 static const int maxSample = 10000;
3015 uint32_t *samples = malloc(sizeof(uint32_t)*maxSample);
3016 if (samples == NULL)
3017 return ERROR_OK;
3018
3019 int numSamples = 0;
3020 /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
3021 struct reg *reg = register_get_by_name(target->reg_cache, "pc", 1);
3022
3023 for (;;)
3024 {
3025 int retval;
3026 target_poll(target);
3027 if (target->state == TARGET_HALTED)
3028 {
3029 uint32_t t=*((uint32_t *)reg->value);
3030 samples[numSamples++]=t;
3031 retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3032 target_poll(target);
3033 alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
3034 } else if (target->state == TARGET_RUNNING)
3035 {
3036 /* We want to quickly sample the PC. */
3037 if ((retval = target_halt(target)) != ERROR_OK)
3038 {
3039 free(samples);
3040 return retval;
3041 }
3042 } else
3043 {
3044 command_print(CMD_CTX, "Target not halted or running");
3045 retval = ERROR_OK;
3046 break;
3047 }
3048 if (retval != ERROR_OK)
3049 {
3050 break;
3051 }
3052
3053 gettimeofday(&now, NULL);
3054 if ((numSamples >= maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
3055 {
3056 command_print(CMD_CTX, "Profiling completed. %d samples.", numSamples);
3057 if ((retval = target_poll(target)) != ERROR_OK)
3058 {
3059 free(samples);
3060 return retval;
3061 }
3062 if (target->state == TARGET_HALTED)
3063 {
3064 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3065 }
3066 if ((retval = target_poll(target)) != ERROR_OK)
3067 {
3068 free(samples);
3069 return retval;
3070 }
3071 writeGmon(samples, numSamples, CMD_ARGV[1]);
3072 command_print(CMD_CTX, "Wrote %s", CMD_ARGV[1]);
3073 break;
3074 }
3075 }
3076 free(samples);
3077
3078 return ERROR_OK;
3079 }
3080
3081 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t val)
3082 {
3083 char *namebuf;
3084 Jim_Obj *nameObjPtr, *valObjPtr;
3085 int result;
3086
3087 namebuf = alloc_printf("%s(%d)", varname, idx);
3088 if (!namebuf)
3089 return JIM_ERR;
3090
3091 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3092 valObjPtr = Jim_NewIntObj(interp, val);
3093 if (!nameObjPtr || !valObjPtr)
3094 {
3095 free(namebuf);
3096 return JIM_ERR;
3097 }
3098
3099 Jim_IncrRefCount(nameObjPtr);
3100 Jim_IncrRefCount(valObjPtr);
3101 result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
3102 Jim_DecrRefCount(interp, nameObjPtr);
3103 Jim_DecrRefCount(interp, valObjPtr);
3104 free(namebuf);
3105 /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
3106 return result;
3107 }
3108
3109 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3110 {
3111 struct command_context *context;
3112 struct target *target;
3113
3114 context = Jim_GetAssocData(interp, "context");
3115 if (context == NULL)
3116 {
3117 LOG_ERROR("mem2array: no command context");
3118 return JIM_ERR;
3119 }
3120 target = get_current_target(context);
3121 if (target == NULL)
3122 {
3123 LOG_ERROR("mem2array: no current target");
3124 return JIM_ERR;
3125 }
3126
3127 return target_mem2array(interp, target, argc-1, argv + 1);
3128 }
3129
3130 static int target_mem2array(Jim_Interp *interp, struct target *target, int argc, Jim_Obj *const *argv)
3131 {
3132 long l;
3133 uint32_t width;
3134 int len;
3135 uint32_t addr;
3136 uint32_t count;
3137 uint32_t v;
3138 const char *varname;
3139 int n, e, retval;
3140 uint32_t i;
3141
3142 /* argv[1] = name of array to receive the data
3143 * argv[2] = desired width
3144 * argv[3] = memory address
3145 * argv[4] = count of times to read
3146 */
3147 if (argc != 4) {
3148 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3149 return JIM_ERR;
3150 }
3151 varname = Jim_GetString(argv[0], &len);
3152 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3153
3154 e = Jim_GetLong(interp, argv[1], &l);
3155 width = l;
3156 if (e != JIM_OK) {
3157 return e;
3158 }
3159
3160 e = Jim_GetLong(interp, argv[2], &l);
3161 addr = l;
3162 if (e != JIM_OK) {
3163 return e;
3164 }
3165 e = Jim_GetLong(interp, argv[3], &l);
3166 len = l;
3167 if (e != JIM_OK) {
3168 return e;
3169 }
3170 switch (width) {
3171 case 8:
3172 width = 1;
3173 break;
3174 case 16:
3175 width = 2;
3176 break;
3177 case 32:
3178 width = 4;
3179 break;
3180 default:
3181 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3182 Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3183 return JIM_ERR;
3184 }
3185 if (len == 0) {
3186 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3187 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
3188 return JIM_ERR;
3189 }
3190 if ((addr + (len * width)) < addr) {
3191 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3192 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
3193 return JIM_ERR;
3194 }
3195 /* absurd transfer size? */
3196 if (len > 65536) {
3197 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3198 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
3199 return JIM_ERR;
3200 }
3201
3202 if ((width == 1) ||
3203 ((width == 2) && ((addr & 1) == 0)) ||
3204 ((width == 4) && ((addr & 3) == 0))) {
3205 /* all is well */
3206 } else {
3207 char buf[100];
3208 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3209 sprintf(buf, "mem2array address: 0x%08" PRIx32 " is not aligned for %" PRId32 " byte reads",
3210 addr,
3211 width);
3212 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3213 return JIM_ERR;
3214 }
3215
3216 /* Transfer loop */
3217
3218 /* index counter */
3219 n = 0;
3220
3221 size_t buffersize = 4096;
3222 uint8_t *buffer = malloc(buffersize);
3223 if (buffer == NULL)
3224 return JIM_ERR;
3225
3226 /* assume ok */
3227 e = JIM_OK;
3228 while (len) {
3229 /* Slurp... in buffer size chunks */
3230
3231 count = len; /* in objects.. */
3232 if (count > (buffersize/width)) {
3233 count = (buffersize/width);
3234 }
3235
3236 retval = target_read_memory(target, addr, width, count, buffer);
3237 if (retval != ERROR_OK) {
3238 /* BOO !*/
3239 LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed",
3240 (unsigned int)addr,
3241 (int)width,
3242 (int)count);
3243 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3244 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
3245 e = JIM_ERR;
3246 len = 0;
3247 } else {
3248 v = 0; /* shut up gcc */
3249 for (i = 0 ;i < count ;i++, n++) {
3250 switch (width) {
3251 case 4:
3252 v = target_buffer_get_u32(target, &buffer[i*width]);
3253 break;
3254 case 2:
3255 v = target_buffer_get_u16(target, &buffer[i*width]);
3256 break;
3257 case 1:
3258 v = buffer[i] & 0x0ff;
3259 break;
3260 }
3261 new_int_array_element(interp, varname, n, v);
3262 }
3263 len -= count;
3264 }
3265 }
3266
3267 free(buffer);
3268
3269 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3270
3271 return JIM_OK;
3272 }
3273
3274 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t *val)
3275 {
3276 char *namebuf;
3277 Jim_Obj *nameObjPtr, *valObjPtr;
3278 int result;
3279 long l;
3280
3281 namebuf = alloc_printf("%s(%d)", varname, idx);
3282 if (!namebuf)
3283 return JIM_ERR;
3284
3285 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3286 if (!nameObjPtr)
3287 {
3288 free(namebuf);
3289 return JIM_ERR;
3290 }
3291
3292 Jim_IncrRefCount(nameObjPtr);
3293 valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
3294 Jim_DecrRefCount(interp, nameObjPtr);
3295 free(namebuf);
3296 if (valObjPtr == NULL)
3297 return JIM_ERR;
3298
3299 result = Jim_GetLong(interp, valObjPtr, &l);
3300 /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
3301 *val = l;
3302 return result;
3303 }
3304
3305 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3306 {
3307 struct command_context *context;
3308 struct target *target;
3309
3310 context = Jim_GetAssocData(interp, "context");
3311 if (context == NULL) {
3312 LOG_ERROR("array2mem: no command context");
3313 return JIM_ERR;
3314 }
3315 target = get_current_target(context);
3316 if (target == NULL) {
3317 LOG_ERROR("array2mem: no current target");
3318 return JIM_ERR;
3319 }
3320
3321 return target_array2mem(interp,target, argc-1, argv + 1);
3322 }
3323
3324 static int target_array2mem(Jim_Interp *interp, struct target *target,
3325 int argc, Jim_Obj *const *argv)
3326 {
3327 long l;
3328 uint32_t width;
3329 int len;
3330 uint32_t addr;
3331 uint32_t count;
3332 uint32_t v;
3333 const char *varname;
3334 int n, e, retval;
3335 uint32_t i;
3336
3337 /* argv[1] = name of array to get the data
3338 * argv[2] = desired width
3339 * argv[3] = memory address
3340 * argv[4] = count to write
3341 */
3342 if (argc != 4) {
3343 Jim_WrongNumArgs(interp, 0, argv, "varname width addr nelems");
3344 return JIM_ERR;
3345 }
3346 varname = Jim_GetString(argv[0], &len);
3347 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3348
3349 e = Jim_GetLong(interp, argv[1], &l);
3350 width = l;
3351 if (e != JIM_OK) {
3352 return e;
3353 }
3354
3355 e = Jim_GetLong(interp, argv[2], &l);
3356 addr = l;
3357 if (e != JIM_OK) {
3358 return e;
3359 }
3360 e = Jim_GetLong(interp, argv[3], &l);
3361 len = l;
3362 if (e != JIM_OK) {
3363 return e;
3364 }
3365 switch (width) {
3366 case 8:
3367 width = 1;
3368 break;
3369 case 16:
3370 width = 2;
3371 break;
3372 case 32:
3373 width = 4;
3374 break;
3375 default:
3376 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3377 Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3378 return JIM_ERR;
3379 }
3380 if (len == 0) {
3381 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3382 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
3383 return JIM_ERR;
3384 }
3385 if ((addr + (len * width)) < addr) {
3386 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3387 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
3388 return JIM_ERR;
3389 }
3390 /* absurd transfer size? */
3391 if (len > 65536) {
3392 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3393 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
3394 return JIM_ERR;
3395 }
3396
3397 if ((width == 1) ||
3398 ((width == 2) && ((addr & 1) == 0)) ||
3399 ((width == 4) && ((addr & 3) == 0))) {
3400 /* all is well */
3401 } else {
3402 char buf[100];
3403 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3404 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads",
3405 (unsigned int)addr,
3406 (int)width);
3407 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3408 return JIM_ERR;
3409 }
3410
3411 /* Transfer loop */
3412
3413 /* index counter */
3414 n = 0;
3415 /* assume ok */
3416 e = JIM_OK;
3417
3418 size_t buffersize = 4096;
3419 uint8_t *buffer = malloc(buffersize);
3420 if (buffer == NULL)
3421 return JIM_ERR;
3422
3423 while (len) {
3424 /* Slurp... in buffer size chunks */
3425
3426 count = len; /* in objects.. */
3427 if (count > (buffersize/width)) {
3428 count = (buffersize/width);
3429 }
3430
3431 v = 0; /* shut up gcc */
3432 for (i = 0 ;i < count ;i++, n++) {
3433 get_int_array_element(interp, varname, n, &v);
3434 switch (width) {
3435 case 4:
3436 target_buffer_set_u32(target, &buffer[i*width], v);
3437 break;
3438 case 2:
3439 target_buffer_set_u16(target, &buffer[i*width], v);
3440 break;
3441 case 1:
3442 buffer[i] = v & 0x0ff;
3443 break;
3444 }
3445 }
3446 len -= count;
3447
3448 retval = target_write_memory(target, addr, width, count, buffer);
3449 if (retval != ERROR_OK) {
3450 /* BOO !*/
3451 LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed",
3452 (unsigned int)addr,
3453 (int)width,
3454 (int)count);
3455 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3456 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3457 e = JIM_ERR;
3458 len = 0;
3459 }
3460 }
3461
3462 free(buffer);
3463
3464 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3465
3466 return JIM_OK;
3467 }
3468
3469 void target_all_handle_event(enum target_event e)
3470 {
3471 struct target *target;
3472
3473 LOG_DEBUG("**all*targets: event: %d, %s",
3474 (int)e,
3475 Jim_Nvp_value2name_simple(nvp_target_event, e)->name);
3476
3477 target = all_targets;
3478 while (target) {
3479 target_handle_event(target, e);
3480 target = target->next;
3481 }
3482 }
3483
3484
3485 /* FIX? should we propagate errors here rather than printing them
3486 * and continuing?
3487 */
3488 void target_handle_event(struct target *target, enum target_event e)
3489 {
3490 struct target_event_action *teap;
3491
3492 for (teap = target->event_action; teap != NULL; teap = teap->next) {
3493 if (teap->event == e) {
3494 LOG_DEBUG("target: (%d) %s (%s) event: %d (%s) action: %s",
3495 target->target_number,
3496 target_name(target),
3497 target_type_name(target),
3498 e,
3499 Jim_Nvp_value2name_simple(nvp_target_event, e)->name,
3500 Jim_GetString(teap->body, NULL));
3501 if (Jim_EvalObj(teap->interp, teap->body) != JIM_OK)
3502 {
3503 Jim_PrintErrorMessage(teap->interp);
3504 }
3505 }
3506 }
3507 }
3508
3509 /**
3510 * Returns true only if the target has a handler for the specified event.
3511 */
3512 bool target_has_event_action(struct target *target, enum target_event event)
3513 {
3514 struct target_event_action *teap;
3515
3516 for (teap = target->event_action; teap != NULL; teap = teap->next) {
3517 if (teap->event == event)
3518 return true;
3519 }
3520 return false;
3521 }
3522
3523 enum target_cfg_param {
3524 TCFG_TYPE,
3525 TCFG_EVENT,
3526 TCFG_WORK_AREA_VIRT,
3527 TCFG_WORK_AREA_PHYS,
3528 TCFG_WORK_AREA_SIZE,
3529 TCFG_WORK_AREA_BACKUP,
3530 TCFG_ENDIAN,
3531 TCFG_VARIANT,
3532 TCFG_CHAIN_POSITION,
3533 };
3534
3535 static Jim_Nvp nvp_config_opts[] = {
3536 { .name = "-type", .value = TCFG_TYPE },
3537 { .name = "-event", .value = TCFG_EVENT },
3538 { .name = "-work-area-virt", .value = TCFG_WORK_AREA_VIRT },
3539 { .name = "-work-area-phys", .value = TCFG_WORK_AREA_PHYS },
3540 { .name = "-work-area-size", .value = TCFG_WORK_AREA_SIZE },
3541 { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3542 { .name = "-endian" , .value = TCFG_ENDIAN },
3543 { .name = "-variant", .value = TCFG_VARIANT },
3544 { .name = "-chain-position", .value = TCFG_CHAIN_POSITION },
3545
3546 { .name = NULL, .value = -1 }
3547 };
3548
3549 static int target_configure(Jim_GetOptInfo *goi, struct target *target)
3550 {
3551 Jim_Nvp *n;
3552 Jim_Obj *o;
3553 jim_wide w;
3554 char *cp;
3555 int e;
3556
3557 /* parse config or cget options ... */
3558 while (goi->argc > 0) {
3559 Jim_SetEmptyResult(goi->interp);
3560 /* Jim_GetOpt_Debug(goi); */
3561
3562 if (target->type->target_jim_configure) {
3563 /* target defines a configure function */
3564 /* target gets first dibs on parameters */
3565 e = (*(target->type->target_jim_configure))(target, goi);
3566 if (e == JIM_OK) {
3567 /* more? */
3568 continue;
3569 }
3570 if (e == JIM_ERR) {
3571 /* An error */
3572 return e;
3573 }
3574 /* otherwise we 'continue' below */
3575 }
3576 e = Jim_GetOpt_Nvp(goi, nvp_config_opts, &n);
3577 if (e != JIM_OK) {
3578 Jim_GetOpt_NvpUnknown(goi, nvp_config_opts, 0);
3579 return e;
3580 }
3581 switch (n->value) {
3582 case TCFG_TYPE:
3583 /* not setable */
3584 if (goi->isconfigure) {
3585 Jim_SetResult_sprintf(goi->interp,
3586 "not settable: %s", n->name);
3587 return JIM_ERR;
3588 } else {
3589 no_params:
3590 if (goi->argc != 0) {
3591 Jim_WrongNumArgs(goi->interp,
3592 goi->argc, goi->argv,
3593 "NO PARAMS");
3594 return JIM_ERR;
3595 }
3596 }
3597 Jim_SetResultString(goi->interp,
3598 target_type_name(target), -1);
3599 /* loop for more */
3600 break;
3601 case TCFG_EVENT:
3602 if (goi->argc == 0) {
3603 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3604 return JIM_ERR;
3605 }
3606
3607 e = Jim_GetOpt_Nvp(goi, nvp_target_event, &n);
3608 if (e != JIM_OK) {
3609 Jim_GetOpt_NvpUnknown(goi, nvp_target_event, 1);
3610 return e;
3611 }
3612
3613 if (goi->isconfigure) {
3614 if (goi->argc != 1) {
3615 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3616 return JIM_ERR;
3617 }
3618 } else {
3619 if (goi->argc != 0) {
3620 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3621 return JIM_ERR;
3622 }
3623 }
3624
3625 {
3626 struct target_event_action *teap;
3627
3628 teap = target->event_action;
3629 /* replace existing? */
3630 while (teap) {
3631 if (teap->event == (enum target_event)n->value) {
3632 break;
3633 }
3634 teap = teap->next;
3635 }
3636
3637 if (goi->isconfigure) {
3638 bool replace = true;
3639 if (teap == NULL) {
3640 /* create new */
3641 teap = calloc(1, sizeof(*teap));
3642 replace = false;
3643 }
3644 teap->event = n->value;
3645 teap->interp = goi->interp;
3646 Jim_GetOpt_Obj(goi, &o);
3647 if (teap->body) {
3648 Jim_DecrRefCount(teap->interp, teap->body);
3649 }
3650 teap->body = Jim_DuplicateObj(goi->interp, o);
3651 /*
3652 * FIXME:
3653 * Tcl/TK - "tk events" have a nice feature.
3654 * See the "BIND" command.
3655 * We should support that here.
3656 * You can specify %X and %Y in the event code.
3657 * The idea is: %T - target name.
3658 * The idea is: %N - target number
3659 * The idea is: %E - event name.
3660 */
3661 Jim_IncrRefCount(teap->body);
3662
3663 if (!replace)
3664 {
3665 /* add to head of event list */
3666 teap->next = target->event_action;
3667 target->event_action = teap;
3668 }
3669 Jim_SetEmptyResult(goi->interp);
3670 } else {
3671 /* get */
3672 if (teap == NULL) {
3673 Jim_SetEmptyResult(goi->interp);
3674 } else {
3675 Jim_SetResult(goi->interp, Jim_DuplicateObj(goi->interp, teap->body));
3676 }
3677 }
3678 }
3679 /* loop for more */
3680 break;
3681
3682 case TCFG_WORK_AREA_VIRT:
3683 if (goi->isconfigure) {
3684 target_free_all_working_areas(target);
3685 e = Jim_GetOpt_Wide(goi, &w);
3686 if (e != JIM_OK) {
3687 return e;
3688 }
3689 target->working_area_virt = w;
3690 target->working_area_virt_spec = true;
3691 } else {
3692 if (goi->argc != 0) {
3693 goto no_params;
3694 }
3695 }
3696 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->working_area_virt));
3697 /* loop for more */
3698 break;
3699
3700 case TCFG_WORK_AREA_PHYS:
3701 if (goi->isconfigure) {
3702 target_free_all_working_areas(target);
3703 e = Jim_GetOpt_Wide(goi, &w);
3704 if (e != JIM_OK) {
3705 return e;
3706 }
3707 target->working_area_phys = w;
3708 target->working_area_phys_spec = true;
3709 } else {
3710 if (goi->argc != 0) {
3711 goto no_params;
3712 }
3713 }
3714 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->working_area_phys));
3715 /* loop for more */
3716 break;
3717
3718 case TCFG_WORK_AREA_SIZE:
3719 if (goi->isconfigure) {
3720 target_free_all_working_areas(target);
3721 e = Jim_GetOpt_Wide(goi, &w);
3722 if (e != JIM_OK) {
3723 return e;
3724 }
3725 target->working_area_size = w;
3726 } else {
3727 if (goi->argc != 0) {
3728 goto no_params;
3729 }
3730 }
3731 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->working_area_size));
3732 /* loop for more */
3733 break;
3734
3735 case TCFG_WORK_AREA_BACKUP:
3736 if (goi->isconfigure) {
3737 target_free_all_working_areas(target);
3738 e = Jim_GetOpt_Wide(goi, &w);
3739 if (e != JIM_OK) {
3740 return e;
3741 }
3742 /* make this exactly 1 or 0 */
3743 target->backup_working_area = (!!w);
3744 } else {
3745 if (goi->argc != 0) {
3746 goto no_params;
3747 }
3748 }
3749 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->backup_working_area));
3750 /* loop for more e*/
3751 break;
3752
3753 case TCFG_ENDIAN:
3754 if (goi->isconfigure) {
3755 e = Jim_GetOpt_Nvp(goi, nvp_target_endian, &n);
3756 if (e != JIM_OK) {
3757 Jim_GetOpt_NvpUnknown(goi, nvp_target_endian, 1);
3758 return e;
3759 }
3760 target->endianness = n->value;
3761 } else {
3762 if (goi->argc != 0) {
3763 goto no_params;
3764 }
3765 }
3766 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
3767 if (n->name == NULL) {
3768 target->endianness = TARGET_LITTLE_ENDIAN;
3769 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
3770 }
3771 Jim_SetResultString(goi->interp, n->name, -1);
3772 /* loop for more */
3773 break;
3774
3775 case TCFG_VARIANT:
3776 if (goi->isconfigure) {
3777 if (goi->argc < 1) {
3778 Jim_SetResult_sprintf(goi->interp,
3779 "%s ?STRING?",
3780 n->name);
3781 return JIM_ERR;
3782 }
3783 if (target->variant) {
3784 free((void *)(target->variant));
3785 }
3786 e = Jim_GetOpt_String(goi, &cp, NULL);
3787 target->variant = strdup(cp);
3788 } else {
3789 if (goi->argc != 0) {
3790 goto no_params;
3791 }
3792 }
3793 Jim_SetResultString(goi->interp, target->variant,-1);
3794 /* loop for more */
3795 break;
3796 case TCFG_CHAIN_POSITION:
3797 if (goi->isconfigure) {
3798 Jim_Obj *o;
3799 struct jtag_tap *tap;
3800 target_free_all_working_areas(target);
3801 e = Jim_GetOpt_Obj(goi, &o);
3802 if (e != JIM_OK) {
3803 return e;
3804 }
3805 tap = jtag_tap_by_jim_obj(goi->interp, o);
3806 if (tap == NULL) {
3807 return JIM_ERR;
3808 }
3809 /* make this exactly 1 or 0 */
3810 target->tap = tap;
3811 } else {
3812 if (goi->argc != 0) {
3813 goto no_params;
3814 }
3815 }
3816 Jim_SetResultString(goi->interp, target->tap->dotted_name, -1);
3817 /* loop for more e*/
3818 break;
3819 }
3820 } /* while (goi->argc) */
3821
3822
3823 /* done - we return */
3824 return JIM_OK;
3825 }
3826
3827 static int
3828 jim_target_configure(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3829 {
3830 Jim_GetOptInfo goi;
3831
3832 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
3833 goi.isconfigure = !strcmp(Jim_GetString(argv[0], NULL), "configure");
3834 int need_args = 1 + goi.isconfigure;
3835 if (goi.argc < need_args)
3836 {
3837 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv,
3838 goi.isconfigure
3839 ? "missing: -option VALUE ..."
3840 : "missing: -option ...");
3841 return JIM_ERR;
3842 }
3843 struct target *target = Jim_CmdPrivData(goi.interp);
3844 return target_configure(&goi, target);
3845 }
3846
3847 static int jim_target_mw(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3848 {
3849 const char *cmd_name = Jim_GetString(argv[0], NULL);
3850
3851 Jim_GetOptInfo goi;
3852 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
3853
3854 if (goi.argc != 2 && goi.argc != 3)
3855 {
3856 Jim_SetResult_sprintf(goi.interp,
3857 "usage: %s <address> <data> [<count>]", cmd_name);
3858 return JIM_ERR;
3859 }
3860
3861 jim_wide a;
3862 int e = Jim_GetOpt_Wide(&goi, &a);
3863 if (e != JIM_OK)
3864 return e;
3865
3866 jim_wide b;
3867 e = Jim_GetOpt_Wide(&goi, &b);
3868 if (e != JIM_OK)
3869 return e;
3870
3871 jim_wide c = 1;
3872 if (goi.argc == 3)
3873 {
3874 e = Jim_GetOpt_Wide(&goi, &c);
3875 if (e != JIM_OK)
3876 return e;
3877 }
3878
3879 struct target *target = Jim_CmdPrivData(goi.interp);
3880 uint8_t target_buf[32];
3881 if (strcasecmp(cmd_name, "mww") == 0) {
3882 target_buffer_set_u32(target, target_buf, b);
3883 b = 4;
3884 }
3885 else if (strcasecmp(cmd_name, "mwh") == 0) {
3886 target_buffer_set_u16(target, target_buf, b);
3887 b = 2;
3888 }
3889 else if (strcasecmp(cmd_name, "mwb") == 0) {
3890 target_buffer_set_u8(target, target_buf, b);
3891 b = 1;
3892 } else {
3893 LOG_ERROR("command '%s' unknown: ", cmd_name);
3894 return JIM_ERR;
3895 }
3896
3897 for (jim_wide x = 0; x < c; x++)
3898 {
3899 e = target_write_memory(target, a, b, 1, target_buf);
3900 if (e != ERROR_OK)
3901 {
3902 Jim_SetResult_sprintf(interp,
3903 "Error writing @ 0x%08x: %d\n", (int)(a), e);
3904 return JIM_ERR;
3905 }
3906 /* b = width */
3907 a = a + b;
3908 }
3909 return JIM_OK;
3910 }
3911
3912 static int jim_target_md(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3913 {
3914 const char *cmd_name = Jim_GetString(argv[0], NULL);
3915
3916 Jim_GetOptInfo goi;
3917 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
3918
3919 if ((goi.argc == 2) || (goi.argc == 3))
3920 {
3921 Jim_SetResult_sprintf(goi.interp,
3922 "usage: %s <address> [<count>]", cmd_name);
3923 return JIM_ERR;
3924 }
3925
3926 jim_wide a;
3927 int e = Jim_GetOpt_Wide(&goi, &a);
3928 if (e != JIM_OK) {
3929 return JIM_ERR;
3930 }
3931 jim_wide c;
3932 if (goi.argc) {
3933 e = Jim_GetOpt_Wide(&goi, &c);
3934 if (e != JIM_OK) {
3935 return JIM_ERR;
3936 }
3937 } else {
3938 c = 1;
3939 }
3940 jim_wide b = 1; /* shut up gcc */
3941 if (strcasecmp(cmd_name, "mdw") == 0)
3942 b = 4;
3943 else if (strcasecmp(cmd_name, "mdh") == 0)
3944 b = 2;
3945 else if (strcasecmp(cmd_name, "mdb") == 0)
3946 b = 1;
3947 else {
3948 LOG_ERROR("command '%s' unknown: ", cmd_name);
3949 return JIM_ERR;
3950 }
3951
3952 /* convert count to "bytes" */
3953 c = c * b;
3954
3955 struct target *target = Jim_CmdPrivData(goi.interp);
3956 uint8_t target_buf[32];
3957 jim_wide x, y, z;
3958 while (c > 0) {
3959 y = c;
3960 if (y > 16) {
3961 y = 16;
3962 }
3963 e = target_read_memory(target, a, b, y / b, target_buf);
3964 if (e != ERROR_OK) {
3965 Jim_SetResult_sprintf(interp, "error reading target @ 0x%08lx", (int)(a));
3966 return JIM_ERR;
3967 }
3968
3969 Jim_fprintf(interp, interp->cookie_stdout, "0x%08x ", (int)(a));
3970 switch (b) {
3971 case 4:
3972 for (x = 0; x < 16 && x < y; x += 4)
3973 {
3974 z = target_buffer_get_u32(target, &(target_buf[ x * 4 ]));
3975 Jim_fprintf(interp, interp->cookie_stdout, "%08x ", (int)(z));
3976 }
3977 for (; (x < 16) ; x += 4) {
3978 Jim_fprintf(interp, interp->cookie_stdout, " ");
3979 }
3980 break;
3981 case 2:
3982 for (x = 0; x < 16 && x < y; x += 2)
3983 {
3984 z = target_buffer_get_u16(target, &(target_buf[ x * 2 ]));
3985 Jim_fprintf(interp, interp->cookie_stdout, "%04x ", (int)(z));
3986 }
3987 for (; (x < 16) ; x += 2) {
3988 Jim_fprintf(interp, interp->cookie_stdout, " ");
3989 }
3990 break;
3991 case 1:
3992 default:
3993 for (x = 0 ; (x < 16) && (x < y) ; x += 1) {
3994 z = target_buffer_get_u8(target, &(target_buf[ x * 4 ]));
3995 Jim_fprintf(interp, interp->cookie_stdout, "%02x ", (int)(z));
3996 }
3997 for (; (x < 16) ; x += 1) {
3998 Jim_fprintf(interp, interp->cookie_stdout, " ");
3999 }
4000 break;
4001 }
4002 /* ascii-ify the bytes */
4003 for (x = 0 ; x < y ; x++) {
4004 if ((target_buf[x] >= 0x20) &&
4005 (target_buf[x] <= 0x7e)) {
4006 /* good */
4007 } else {
4008 /* smack it */
4009 target_buf[x] = '.';
4010 }
4011 }
4012 /* space pad */
4013 while (x < 16) {
4014 target_buf[x] = ' ';
4015 x++;
4016 }
4017 /* terminate */
4018 target_buf[16] = 0;
4019 /* print - with a newline */
4020 Jim_fprintf(interp, interp->cookie_stdout, "%s\n", target_buf);
4021 /* NEXT... */
4022 c -= 16;
4023 a += 16;
4024 }
4025 return JIM_OK;
4026 }
4027
4028 static int jim_target_mem2array(Jim_Interp *interp,
4029 int argc, Jim_Obj *const *argv)
4030 {
4031 struct target *target = Jim_CmdPrivData(interp);
4032 return target_mem2array(interp, target, argc - 1, argv + 1);
4033 }
4034
4035 static int jim_target_array2mem(Jim_Interp *interp,
4036 int argc, Jim_Obj *const *argv)
4037 {
4038 struct target *target = Jim_CmdPrivData(interp);
4039 return target_array2mem(interp, target, argc - 1, argv + 1);
4040 }
4041
4042 static int jim_target_tap_disabled(Jim_Interp *interp)
4043 {
4044 Jim_SetResult_sprintf(interp, "[TAP is disabled]");
4045 return JIM_ERR;
4046 }
4047
4048 static int jim_target_examine(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4049 {
4050 if (argc != 1)
4051 {
4052 Jim_WrongNumArgs(interp, 1, argv, "[no parameters]");
4053 return JIM_ERR;
4054 }
4055 struct target *target = Jim_CmdPrivData(interp);
4056 if (!target->tap->enabled)
4057 return jim_target_tap_disabled(interp);
4058
4059 int e = target->type->examine(target);
4060 if (e != ERROR_OK)
4061 {
4062 Jim_SetResult_sprintf(interp, "examine-fails: %d", e);
4063 return JIM_ERR;
4064 }
4065 return JIM_OK;
4066 }
4067
4068 static int jim_target_poll(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4069 {
4070 if (argc != 1)
4071 {
4072 Jim_WrongNumArgs(interp, 1, argv, "[no parameters]");
4073 return JIM_ERR;
4074 }
4075 struct target *target = Jim_CmdPrivData(interp);
4076 if (!target->tap->enabled)
4077 return jim_target_tap_disabled(interp);
4078
4079 int e;
4080 if (!(target_was_examined(target))) {
4081 e = ERROR_TARGET_NOT_EXAMINED;
4082 } else {
4083 e = target->type->poll(target);
4084 }
4085 if (e != ERROR_OK)
4086 {
4087 Jim_SetResult_sprintf(interp, "poll-fails: %d", e);
4088 return JIM_ERR;
4089 }
4090 return JIM_OK;
4091 }
4092
4093 static int jim_target_reset(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4094 {
4095 Jim_GetOptInfo goi;
4096 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4097
4098 if (goi.argc != 2)
4099 {
4100 Jim_WrongNumArgs(interp, 0, argv,
4101 "([tT]|[fF]|assert|deassert) BOOL");
4102 return JIM_ERR;
4103 }
4104
4105 Jim_Nvp *n;
4106 int e = Jim_GetOpt_Nvp(&goi, nvp_assert, &n);
4107 if (e != JIM_OK)
4108 {
4109 Jim_GetOpt_NvpUnknown(&goi, nvp_assert, 1);
4110 return e;
4111 }
4112 /* the halt or not param */
4113 jim_wide a;
4114 e = Jim_GetOpt_Wide(&goi, &a);
4115 if (e != JIM_OK)
4116 return e;
4117
4118 struct target *target = Jim_CmdPrivData(goi.interp);
4119 if (!target->tap->enabled)
4120 return jim_target_tap_disabled(interp);
4121 if (!(target_was_examined(target)))
4122 {
4123 LOG_ERROR("Target not examined yet");
4124 return ERROR_TARGET_NOT_EXAMINED;
4125 }
4126 if (!target->type->assert_reset || !target->type->deassert_reset)
4127 {
4128 Jim_SetResult_sprintf(interp,
4129 "No target-specific reset for %s",
4130 target_name(target));
4131 return JIM_ERR;
4132 }
4133 /* determine if we should halt or not. */
4134 target->reset_halt = !!a;
4135 /* When this happens - all workareas are invalid. */
4136 target_free_all_working_areas_restore(target, 0);
4137
4138 /* do the assert */
4139 if (n->value == NVP_ASSERT) {
4140 e = target->type->assert_reset(target);
4141 } else {
4142 e = target->type->deassert_reset(target);
4143 }
4144 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4145 }
4146
4147 static int jim_target_halt(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4148 {
4149 if (argc != 1) {
4150 Jim_WrongNumArgs(interp, 1, argv, "[no parameters]");
4151 return JIM_ERR;
4152 }
4153 struct target *target = Jim_CmdPrivData(interp);
4154 if (!target->tap->enabled)
4155 return jim_target_tap_disabled(interp);
4156 int e = target->type->halt(target);
4157 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4158 }
4159
4160 static int jim_target_wait_state(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4161 {
4162 Jim_GetOptInfo goi;
4163 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4164
4165 /* params: <name> statename timeoutmsecs */
4166 if (goi.argc != 2)
4167 {
4168 const char *cmd_name = Jim_GetString(argv[0], NULL);
4169 Jim_SetResult_sprintf(goi.interp,
4170 "%s <state_name> <timeout_in_msec>", cmd_name);
4171 return JIM_ERR;
4172 }
4173
4174 Jim_Nvp *n;
4175 int e = Jim_GetOpt_Nvp(&goi, nvp_target_state, &n);
4176 if (e != JIM_OK) {
4177 Jim_GetOpt_NvpUnknown(&goi, nvp_target_state,1);
4178 return e;
4179 }
4180 jim_wide a;
4181 e = Jim_GetOpt_Wide(&goi, &a);
4182 if (e != JIM_OK) {
4183 return e;
4184 }
4185 struct target *target = Jim_CmdPrivData(interp);
4186 if (!target->tap->enabled)
4187 return jim_target_tap_disabled(interp);
4188
4189 e = target_wait_state(target, n->value, a);
4190 if (e != ERROR_OK)
4191 {
4192 Jim_SetResult_sprintf(goi.interp,
4193 "target: %s wait %s fails (%d) %s",
4194 target_name(target), n->name,
4195 e, target_strerror_safe(e));
4196 return JIM_ERR;
4197 }
4198 return JIM_OK;
4199 }
4200 /* List for human, Events defined for this target.
4201 * scripts/programs should use 'name cget -event NAME'
4202 */
4203 static int jim_target_event_list(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4204 {
4205 struct command_context *cmd_ctx = Jim_GetAssocData(interp, "context");
4206 struct target *target = Jim_CmdPrivData(interp);
4207 struct target_event_action *teap = target->event_action;
4208 command_print(cmd_ctx, "Event actions for target (%d) %s\n",
4209 target->target_number,
4210 target_name(target));
4211 command_print(cmd_ctx, "%-25s | Body", "Event");
4212 command_print(cmd_ctx, "------------------------- | "
4213 "----------------------------------------");
4214 while (teap)
4215 {
4216 Jim_Nvp *opt = Jim_Nvp_value2name_simple(nvp_target_event, teap->event);
4217 command_print(cmd_ctx, "%-25s | %s",
4218 opt->name, Jim_GetString(teap->body, NULL));
4219 teap = teap->next;
4220 }
4221 command_print(cmd_ctx, "***END***");
4222 return JIM_OK;
4223 }
4224 static int jim_target_current_state(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4225 {
4226 if (argc != 1)
4227 {
4228 Jim_WrongNumArgs(interp, 1, argv, "[no parameters]");
4229 return JIM_ERR;
4230 }
4231 struct target *target = Jim_CmdPrivData(interp);
4232 Jim_SetResultString(interp, target_state_name(target), -1);
4233 return JIM_OK;
4234 }
4235 static int jim_target_invoke_event(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4236 {
4237 Jim_GetOptInfo goi;
4238 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4239 if (goi.argc != 1)
4240 {
4241 const char *cmd_name = Jim_GetString(argv[0], NULL);
4242 Jim_SetResult_sprintf(goi.interp, "%s <eventname>", cmd_name);
4243 return JIM_ERR;
4244 }
4245 Jim_Nvp *n;
4246 int e = Jim_GetOpt_Nvp(&goi, nvp_target_event, &n);
4247 if (e != JIM_OK)
4248 {
4249 Jim_GetOpt_NvpUnknown(&goi, nvp_target_event, 1);
4250 return e;
4251 }
4252 struct target *target = Jim_CmdPrivData(interp);
4253 target_handle_event(target, n->value);
4254 return JIM_OK;
4255 }
4256
4257 static const struct command_registration target_instance_command_handlers[] = {
4258 {
4259 .name = "configure",
4260 .mode = COMMAND_CONFIG,
4261 .jim_handler = jim_target_configure,
4262 .help = "configure a new target for use",
4263 .usage = "[target_attribute ...]",
4264 },
4265 {
4266 .name = "cget",
4267 .mode = COMMAND_ANY,
4268 .jim_handler = jim_target_configure,
4269 .help = "returns the specified target attribute",
4270 .usage = "target_attribute",
4271 },
4272 {
4273 .name = "mww",
4274 .mode = COMMAND_EXEC,
4275 .jim_handler = jim_target_mw,
4276 .help = "Write 32-bit word(s) to target memory",
4277 .usage = "address data [count]",
4278 },
4279 {
4280 .name = "mwh",
4281 .mode = COMMAND_EXEC,
4282 .jim_handler = jim_target_mw,
4283 .help = "Write 16-bit half-word(s) to target memory",
4284 .usage = "address data [count]",
4285 },
4286 {
4287 .name = "mwb",
4288 .mode = COMMAND_EXEC,
4289 .jim_handler = jim_target_mw,
4290 .help = "Write byte(s) to target memory",
4291 .usage = "address data [count]",
4292 },
4293 {
4294 .name = "mdw",
4295 .mode = COMMAND_EXEC,
4296 .jim_handler = jim_target_md,
4297 .help = "Display target memory as 32-bit words",
4298 .usage = "address [count]",
4299 },
4300 {
4301 .name = "mdh",
4302 .mode = COMMAND_EXEC,
4303 .jim_handler = jim_target_md,
4304 .help = "Display target memory as 16-bit half-words",
4305 .usage = "address [count]",
4306 },
4307 {
4308 .name = "mdb",
4309 .mode = COMMAND_EXEC,
4310 .jim_handler = jim_target_md,
4311 .help = "Display target memory as 8-bit bytes",
4312 .usage = "address [count]",
4313 },
4314 {
4315 .name = "array2mem",
4316 .mode = COMMAND_EXEC,
4317 .jim_handler = jim_target_array2mem,
4318 .help = "Writes Tcl array of 8/16/32 bit numbers "
4319 "to target memory",
4320 .usage = "arrayname bitwidth address count",
4321 },
4322 {
4323 .name = "mem2array",
4324 .mode = COMMAND_EXEC,
4325 .jim_handler = jim_target_mem2array,
4326 .help = "Loads Tcl array of 8/16/32 bit numbers "
4327 "from target memory",
4328 .usage = "arrayname bitwidth address count",
4329 },
4330 {
4331 .name = "eventlist",
4332 .mode = COMMAND_EXEC,
4333 .jim_handler = jim_target_event_list,
4334 .help = "displays a table of events defined for this target",
4335 },
4336 {
4337 .name = "curstate",
4338 .mode = COMMAND_EXEC,
4339 .jim_handler = jim_target_current_state,
4340 .help = "displays the current state of this target",
4341 },
4342 {
4343 .name = "arp_examine",
4344 .mode = COMMAND_EXEC,
4345 .jim_handler = jim_target_examine,
4346 .help = "used internally for reset processing",
4347 },
4348 {
4349 .name = "arp_poll",
4350 .mode = COMMAND_EXEC,
4351 .jim_handler = jim_target_poll,
4352 .help = "used internally for reset processing",
4353 },
4354 {
4355 .name = "arp_reset",
4356 .mode = COMMAND_EXEC,
4357 .jim_handler = jim_target_reset,
4358 .help = "used internally for reset processing",
4359 },
4360 {
4361 .name = "arp_halt",
4362 .mode = COMMAND_EXEC,
4363 .jim_handler = jim_target_halt,
4364 .help = "used internally for reset processing",
4365 },
4366 {
4367 .name = "arp_waitstate",
4368 .mode = COMMAND_EXEC,
4369 .jim_handler = jim_target_wait_state,
4370 .help = "used internally for reset processing",
4371 },
4372 {
4373 .name = "invoke-event",
4374 .mode = COMMAND_EXEC,
4375 .jim_handler = jim_target_invoke_event,
4376 .help = "invoke handler for specified event",
4377 .usage = "event_name",
4378 },
4379 COMMAND_REGISTRATION_DONE
4380 };
4381
4382 static int target_create(Jim_GetOptInfo *goi)
4383 {
4384 Jim_Obj *new_cmd;
4385 Jim_Cmd *cmd;
4386 const char *cp;
4387 char *cp2;
4388 int e;
4389 int x;
4390 struct target *target;
4391 struct command_context *cmd_ctx;
4392
4393 cmd_ctx = Jim_GetAssocData(goi->interp, "context");
4394 if (goi->argc < 3) {
4395 Jim_WrongNumArgs(goi->interp, 1, goi->argv, "?name? ?type? ..options...");
4396 return JIM_ERR;
4397 }
4398
4399 /* COMMAND */
4400 Jim_GetOpt_Obj(goi, &new_cmd);
4401 /* does this command exist? */
4402 cmd = Jim_GetCommand(goi->interp, new_cmd, JIM_ERRMSG);
4403 if (cmd) {
4404 cp = Jim_GetString(new_cmd, NULL);
4405 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
4406 return JIM_ERR;
4407 }
4408
4409 /* TYPE */
4410 e = Jim_GetOpt_String(goi, &cp2, NULL);
4411 cp = cp2;
4412 /* now does target type exist */
4413 for (x = 0 ; target_types[x] ; x++) {
4414 if (0 == strcmp(cp, target_types[x]->name)) {
4415 /* found */
4416 break;
4417 }
4418 }
4419 if (target_types[x] == NULL) {
4420 Jim_SetResult_sprintf(goi->interp, "Unknown target type %s, try one of ", cp);
4421 for (x = 0 ; target_types[x] ; x++) {
4422 if (target_types[x + 1]) {
4423 Jim_AppendStrings(goi->interp,
4424 Jim_GetResult(goi->interp),
4425 target_types[x]->name,
4426 ", ", NULL);
4427 } else {
4428 Jim_AppendStrings(goi->interp,
4429 Jim_GetResult(goi->interp),
4430 " or ",
4431 target_types[x]->name,NULL);
4432 }
4433 }
4434 return JIM_ERR;
4435 }
4436
4437 /* Create it */
4438 target = calloc(1,sizeof(struct target));
4439 /* set target number */
4440 target->target_number = new_target_number();
4441
4442 /* allocate memory for each unique target type */
4443 target->type = (struct target_type*)calloc(1,sizeof(struct target_type));
4444
4445 memcpy(target->type, target_types[x], sizeof(struct target_type));
4446
4447 /* will be set by "-endian" */
4448 target->endianness = TARGET_ENDIAN_UNKNOWN;
4449
4450 target->working_area = 0x0;
4451 target->working_area_size = 0x0;
4452 target->working_areas = NULL;
4453 target->backup_working_area = 0;
4454
4455 target->state = TARGET_UNKNOWN;
4456 target->debug_reason = DBG_REASON_UNDEFINED;
4457 target->reg_cache = NULL;
4458 target->breakpoints = NULL;
4459 target->watchpoints = NULL;
4460 target->next = NULL;
4461 target->arch_info = NULL;
4462
4463 target->display = 1;
4464
4465 target->halt_issued = false;
4466
4467 /* initialize trace information */
4468 target->trace_info = malloc(sizeof(struct trace));
4469 target->trace_info->num_trace_points = 0;
4470 target->trace_info->trace_points_size = 0;
4471 target->trace_info->trace_points = NULL;
4472 target->trace_info->trace_history_size = 0;
4473 target->trace_info->trace_history = NULL;
4474 target->trace_info->trace_history_pos = 0;
4475 target->trace_info->trace_history_overflowed = 0;
4476
4477 target->dbgmsg = NULL;
4478 target->dbg_msg_enabled = 0;
4479
4480 target->endianness = TARGET_ENDIAN_UNKNOWN;
4481
4482 /* Do the rest as "configure" options */
4483 goi->isconfigure = 1;
4484 e = target_configure(goi, target);
4485
4486 if (target->tap == NULL)
4487 {
4488 Jim_SetResultString(goi->interp, "-chain-position required when creating target", -1);
4489 e = JIM_ERR;
4490 }
4491
4492 if (e != JIM_OK) {
4493 free(target->type);
4494 free(target);
4495 return e;
4496 }
4497
4498 if (target->endianness == TARGET_ENDIAN_UNKNOWN) {
4499 /* default endian to little if not specified */
4500 target->endianness = TARGET_LITTLE_ENDIAN;
4501 }
4502
4503 /* incase variant is not set */
4504 if (!target->variant)
4505 target->variant = strdup("");
4506
4507 cp = Jim_GetString(new_cmd, NULL);
4508 target->cmd_name = strdup(cp);
4509
4510 /* create the target specific commands */
4511 if (target->type->commands) {
4512 e = register_commands(cmd_ctx, NULL, target->type->commands);
4513 if (ERROR_OK != e)
4514 LOG_ERROR("unable to register '%s' commands", cp);
4515 }
4516 if (target->type->target_create) {
4517 (*(target->type->target_create))(target, goi->interp);
4518 }
4519
4520 /* append to end of list */
4521 {
4522 struct target **tpp;
4523 tpp = &(all_targets);
4524 while (*tpp) {
4525 tpp = &((*tpp)->next);
4526 }
4527 *tpp = target;
4528 }
4529
4530 /* now - create the new target name command */
4531 const const struct command_registration target_subcommands[] = {
4532 {
4533 .chain = target_instance_command_handlers,
4534 },
4535 {
4536 .chain = target->type->commands,
4537 },
4538 COMMAND_REGISTRATION_DONE
4539 };
4540 const const struct command_registration target_commands[] = {
4541 {
4542 .name = cp,
4543 .mode = COMMAND_ANY,
4544 .help = "target command group",
4545 .chain = target_subcommands,
4546 },
4547 COMMAND_REGISTRATION_DONE
4548 };
4549 e = register_commands(cmd_ctx, NULL, target_commands);
4550 if (ERROR_OK != e)
4551 return JIM_ERR;
4552
4553 struct command *c = command_find_in_context(cmd_ctx, cp);
4554 assert(c);
4555 command_set_handler_data(c, target);
4556
4557 return (ERROR_OK == e) ? JIM_OK : JIM_ERR;
4558 }
4559
4560 static int jim_target_current(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4561 {
4562 if (argc != 1)
4563 {
4564 Jim_WrongNumArgs(interp, 1, argv, "Too many parameters");
4565 return JIM_ERR;
4566 }
4567 struct command_context *cmd_ctx = Jim_GetAssocData(interp, "context");
4568 Jim_SetResultString(interp, get_current_target(cmd_ctx)->cmd_name, -1);
4569 return JIM_OK;
4570 }
4571
4572 static int jim_target_types(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4573 {
4574 if (argc != 1)
4575 {
4576 Jim_WrongNumArgs(interp, 1, argv, "Too many parameters");
4577 return JIM_ERR;
4578 }
4579 Jim_SetResult(interp, Jim_NewListObj(interp, NULL, 0));
4580 for (unsigned x = 0; NULL != target_types[x]; x++)
4581 {
4582 Jim_ListAppendElement(interp, Jim_GetResult(interp),
4583 Jim_NewStringObj(interp, target_types[x]->name, -1));
4584 }
4585 return JIM_OK;
4586 }
4587
4588 static int jim_target_names(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4589 {
4590 if (argc != 1)
4591 {
4592 Jim_WrongNumArgs(interp, 1, argv, "Too many parameters");
4593 return JIM_ERR;
4594 }
4595 Jim_SetResult(interp, Jim_NewListObj(interp, NULL, 0));
4596 struct target *target = all_targets;
4597 while (target)
4598 {
4599 Jim_ListAppendElement(interp, Jim_GetResult(interp),
4600 Jim_NewStringObj(interp, target_name(target), -1));
4601 target = target->next;
4602 }
4603 return JIM_OK;
4604 }
4605
4606 static int jim_target_create(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4607 {
4608 Jim_GetOptInfo goi;
4609 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4610 if (goi.argc < 3)
4611 {
4612 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv,
4613 "<name> <target_type> [<target_options> ...]");
4614 return JIM_ERR;
4615 }
4616 return target_create(&goi);
4617 }
4618
4619 static int jim_target_number(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4620 {
4621 Jim_GetOptInfo goi;
4622 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4623
4624 /* It's OK to remove this mechanism sometime after August 2010 or so */
4625 LOG_WARNING("don't use numbers as target identifiers; use names");
4626 if (goi.argc != 1)
4627 {
4628 Jim_SetResult_sprintf(goi.interp, "usage: target number <number>");
4629 return JIM_ERR;
4630 }
4631 jim_wide w;
4632 int e = Jim_GetOpt_Wide(&goi, &w);
4633 if (e != JIM_OK)
4634 return JIM_ERR;
4635
4636 struct target *target;
4637 for (target = all_targets; NULL != target; target = target->next)
4638 {
4639 if (target->target_number != w)
4640 continue;
4641
4642 Jim_SetResultString(goi.interp, target_name(target), -1);
4643 return JIM_OK;
4644 }
4645 Jim_SetResult_sprintf(goi.interp,
4646 "Target: number %d does not exist", (int)(w));
4647 return JIM_ERR;
4648 }
4649
4650 static int jim_target_count(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4651 {
4652 if (argc != 1)
4653 {
4654 Jim_WrongNumArgs(interp, 1, argv, "<no parameters>");
4655 return JIM_ERR;
4656 }
4657 unsigned count = 0;
4658 struct target *target = all_targets;
4659 while (NULL != target)
4660 {
4661 target = target->next;
4662 count++;
4663 }
4664 Jim_SetResult(interp, Jim_NewIntObj(interp, count));
4665 return JIM_OK;
4666 }
4667
4668 static const struct command_registration target_subcommand_handlers[] = {
4669 {
4670 .name = "init",
4671 .mode = COMMAND_CONFIG,
4672 .handler = handle_target_init_command,
4673 .help = "initialize targets",
4674 },
4675 {
4676 .name = "create",
4677 /* REVISIT this should be COMMAND_CONFIG ... */
4678 .mode = COMMAND_ANY,
4679 .jim_handler = jim_target_create,
4680 .usage = "name type '-chain-position' name [options ...]",
4681 .help = "Creates and selects a new target",
4682 },
4683 {
4684 .name = "current",
4685 .mode = COMMAND_ANY,
4686 .jim_handler = jim_target_current,
4687 .help = "Returns the currently selected target",
4688 },
4689 {
4690 .name = "types",
4691 .mode = COMMAND_ANY,
4692 .jim_handler = jim_target_types,
4693 .help = "Returns the available target types as "
4694 "a list of strings",
4695 },
4696 {
4697 .name = "names",
4698 .mode = COMMAND_ANY,
4699 .jim_handler = jim_target_names,
4700 .help = "Returns the names of all targets as a list of strings",
4701 },
4702 {
4703 .name = "number",
4704 .mode = COMMAND_ANY,
4705 .jim_handler = jim_target_number,
4706 .usage = "number",
4707 .help = "Returns the name of the numbered target "
4708 "(DEPRECATED)",
4709 },
4710 {
4711 .name = "count",
4712 .mode = COMMAND_ANY,
4713 .jim_handler = jim_target_count,
4714 .help = "Returns the number of targets as an integer "
4715 "(DEPRECATED)",
4716 },
4717 COMMAND_REGISTRATION_DONE
4718 };
4719
4720 struct FastLoad
4721 {
4722 uint32_t address;
4723 uint8_t *data;
4724 int length;
4725
4726 };
4727
4728 static int fastload_num;
4729 static struct FastLoad *fastload;
4730
4731 static void free_fastload(void)
4732 {
4733 if (fastload != NULL)
4734 {
4735 int i;
4736 for (i = 0; i < fastload_num; i++)
4737 {
4738 if (fastload[i].data)
4739 free(fastload[i].data);
4740 }
4741 free(fastload);
4742 fastload = NULL;
4743 }
4744 }
4745
4746
4747
4748
4749 COMMAND_HANDLER(handle_fast_load_image_command)
4750 {
4751 uint8_t *buffer;
4752 size_t buf_cnt;
4753 uint32_t image_size;
4754 uint32_t min_address = 0;
4755 uint32_t max_address = 0xffffffff;
4756 int i;
4757
4758 struct image image;
4759
4760 int retval = CALL_COMMAND_HANDLER(parse_load_image_command_CMD_ARGV,
4761 &image, &min_address, &max_address);
4762 if (ERROR_OK != retval)
4763 return retval;
4764
4765 struct duration bench;
4766 duration_start(&bench);
4767
4768 if (image_open(&image, CMD_ARGV[0], (CMD_ARGC >= 3) ? CMD_ARGV[2] : NULL) != ERROR_OK)
4769 {
4770 return ERROR_OK;
4771 }
4772
4773 image_size = 0x0;
4774 retval = ERROR_OK;
4775 fastload_num = image.num_sections;
4776 fastload = (struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
4777 if (fastload == NULL)
4778 {
4779 image_close(&image);
4780 return ERROR_FAIL;
4781 }
4782 memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
4783 for (i = 0; i < image.num_sections; i++)
4784 {
4785 buffer = malloc(image.sections[i].size);
4786 if (buffer == NULL)
4787 {
4788 command_print(CMD_CTX, "error allocating buffer for section (%d bytes)",
4789 (int)(image.sections[i].size));
4790 break;
4791 }
4792
4793 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
4794 {
4795 free(buffer);
4796 break;
4797 }
4798
4799 uint32_t offset = 0;
4800 uint32_t length = buf_cnt;
4801
4802
4803 /* DANGER!!! beware of unsigned comparision here!!! */
4804
4805 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
4806 (image.sections[i].base_address < max_address))
4807 {
4808 if (image.sections[i].base_address < min_address)
4809 {
4810 /* clip addresses below */
4811 offset += min_address-image.sections[i].base_address;
4812 length -= offset;
4813 }
4814
4815 if (image.sections[i].base_address + buf_cnt > max_address)
4816 {
4817 length -= (image.sections[i].base_address + buf_cnt)-max_address;
4818 }
4819
4820 fastload[i].address = image.sections[i].base_address + offset;
4821 fastload[i].data = malloc(length);
4822 if (fastload[i].data == NULL)
4823 {
4824 free(buffer);
4825 break;
4826 }
4827 memcpy(fastload[i].data, buffer + offset, length);
4828 fastload[i].length = length;
4829
4830 image_size += length;
4831 command_print(CMD_CTX, "%u bytes written at address 0x%8.8x",
4832 (unsigned int)length,
4833 ((unsigned int)(image.sections[i].base_address + offset)));
4834 }
4835
4836 free(buffer);
4837 }
4838
4839 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
4840 {
4841 command_print(CMD_CTX, "Loaded %" PRIu32 " bytes "
4842 "in %fs (%0.3f kb/s)", image_size,
4843 duration_elapsed(&bench), duration_kbps(&bench, image_size));
4844
4845 command_print(CMD_CTX,
4846 "WARNING: image has not been loaded to target!"
4847 "You can issue a 'fast_load' to finish loading.");
4848 }
4849
4850 image_close(&image);
4851
4852 if (retval != ERROR_OK)
4853 {
4854 free_fastload();
4855 }
4856
4857 return retval;
4858 }
4859
4860 COMMAND_HANDLER(handle_fast_load_command)
4861 {
4862 if (CMD_ARGC > 0)
4863 return ERROR_COMMAND_SYNTAX_ERROR;
4864 if (fastload == NULL)
4865 {
4866 LOG_ERROR("No image in memory");
4867 return ERROR_FAIL;
4868 }
4869 int i;
4870 int ms = timeval_ms();
4871 int size = 0;
4872 int retval = ERROR_OK;
4873 for (i = 0; i < fastload_num;i++)
4874 {
4875 struct target *target = get_current_target(CMD_CTX);
4876 command_print(CMD_CTX, "Write to 0x%08x, length 0x%08x",
4877 (unsigned int)(fastload[i].address),
4878 (unsigned int)(fastload[i].length));
4879 if (retval == ERROR_OK)
4880 {
4881 retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
4882 }
4883 size += fastload[i].length;
4884 }
4885 int after = timeval_ms();
4886 command_print(CMD_CTX, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
4887 return retval;
4888 }
4889
4890 static const struct command_registration target_command_handlers[] = {
4891 {
4892 .name = "targets",
4893 .handler = handle_targets_command,
4894 .mode = COMMAND_ANY,
4895 .help = "change current default target (one parameter) "
4896 "or prints table of all targets (no parameters)",
4897 .usage = "[target]",
4898 },
4899 {
4900 .name = "target",
4901 .mode = COMMAND_CONFIG,
4902 .help = "configure target",
4903
4904 .chain = target_subcommand_handlers,
4905 },
4906 COMMAND_REGISTRATION_DONE
4907 };
4908
4909 int target_register_commands(struct command_context *cmd_ctx)
4910 {
4911 return register_commands(cmd_ctx, NULL, target_command_handlers);
4912 }
4913
4914 static bool target_reset_nag = true;
4915
4916 bool get_target_reset_nag(void)
4917 {
4918 return target_reset_nag;
4919 }
4920
4921 COMMAND_HANDLER(handle_target_reset_nag)
4922 {
4923 return CALL_COMMAND_HANDLER(handle_command_parse_bool,
4924 &target_reset_nag, "Nag after each reset about options to improve "
4925 "performance");
4926 }
4927
4928 static const struct command_registration target_exec_command_handlers[] = {
4929 {
4930 .name = "fast_load_image",
4931 .handler = handle_fast_load_image_command,
4932 .mode = COMMAND_ANY,
4933 .help = "Load image into server memory for later use by "
4934 "fast_load; primarily for profiling",
4935 .usage = "filename address ['bin'|'ihex'|'elf'|'s19'] "
4936 "[min_address [max_length]]",
4937 },
4938 {
4939 .name = "fast_load",
4940 .handler = handle_fast_load_command,
4941 .mode = COMMAND_EXEC,
4942 .help = "loads active fast load image to current target "
4943 "- mainly for profiling purposes",
4944 },
4945 {
4946 .name = "profile",
4947 .handler = handle_profile_command,
4948 .mode = COMMAND_EXEC,
4949 .help = "profiling samples the CPU PC",
4950 },
4951 /** @todo don't register virt2phys() unless target supports it */
4952 {
4953 .name = "virt2phys",
4954 .handler = handle_virt2phys_command,
4955 .mode = COMMAND_ANY,
4956 .help = "translate a virtual address into a physical address",
4957 .usage = "virtual_address",
4958 },
4959 {
4960 .name = "reg",
4961 .handler = handle_reg_command,
4962 .mode = COMMAND_EXEC,
4963 .help = "display or set a register; with no arguments, "
4964 "displays all registers and their values",
4965 .usage = "[(register_name|register_number) [value]]",
4966 },
4967 {
4968 .name = "poll",
4969 .handler = handle_poll_command,
4970 .mode = COMMAND_EXEC,
4971 .help = "poll target state; or reconfigure background polling",
4972 .usage = "['on'|'off']",
4973 },
4974 {
4975 .name = "wait_halt",
4976 .handler = handle_wait_halt_command,
4977 .mode = COMMAND_EXEC,
4978 .help = "wait up to the specified number of milliseconds "
4979 "(default 5) for a previously requested halt",
4980 .usage = "[milliseconds]",
4981 },
4982 {
4983 .name = "halt",
4984 .handler = handle_halt_command,
4985 .mode = COMMAND_EXEC,
4986 .help = "request target to halt, then wait up to the specified"
4987 "number of milliseconds (default 5) for it to complete",
4988 .usage = "[milliseconds]",
4989 },
4990 {
4991 .name = "resume",
4992 .handler = handle_resume_command,
4993 .mode = COMMAND_EXEC,
4994 .help = "resume target execution from current PC or address",
4995 .usage = "[address]",
4996 },
4997 {
4998 .name = "reset",
4999 .handler = handle_reset_command,
5000 .mode = COMMAND_EXEC,
5001 .usage = "[run|halt|init]",
5002 .help = "Reset all targets into the specified mode."
5003 "Default reset mode is run, if not given.",
5004 },
5005 {
5006 .name = "soft_reset_halt",
5007 .handler = handle_soft_reset_halt_command,
5008 .mode = COMMAND_EXEC,
5009 .help = "halt the target and do a soft reset",
5010 },
5011 {
5012 .name = "step",
5013 .handler = handle_step_command,
5014 .mode = COMMAND_EXEC,
5015 .help = "step one instruction from current PC or address",
5016 .usage = "[address]",
5017 },
5018 {
5019 .name = "mdw",
5020 .handler = handle_md_command,
5021 .mode = COMMAND_EXEC,
5022 .help = "display memory words",
5023 .usage = "['phys'] address [count]",
5024 },
5025 {
5026 .name = "mdh",
5027 .handler = handle_md_command,
5028 .mode = COMMAND_EXEC,
5029 .help = "display memory half-words",
5030 .usage = "['phys'] address [count]",
5031 },
5032 {
5033 .name = "mdb",
5034 .handler = handle_md_command,
5035 .mode = COMMAND_EXEC,
5036 .help = "display memory bytes",
5037 .usage = "['phys'] address [count]",
5038 },
5039 {
5040 .name = "mww",
5041 .handler = handle_mw_command,
5042 .mode = COMMAND_EXEC,
5043 .help = "write memory word",
5044 .usage = "['phys'] address value [count]",
5045 },
5046 {
5047 .name = "mwh",
5048 .handler = handle_mw_command,
5049 .mode = COMMAND_EXEC,
5050 .help = "write memory half-word",
5051 .usage = "['phys'] address value [count]",
5052 },
5053 {
5054 .name = "mwb",
5055 .handler = handle_mw_command,
5056 .mode = COMMAND_EXEC,
5057 .help = "write memory byte",
5058 .usage = "['phys'] address value [count]",
5059 },
5060 {
5061 .name = "bp",
5062 .handler = handle_bp_command,
5063 .mode = COMMAND_EXEC,
5064 .help = "list or set hardware or software breakpoint",
5065 .usage = "[address length ['hw']]",
5066 },
5067 {
5068 .name = "rbp",
5069 .handler = handle_rbp_command,
5070 .mode = COMMAND_EXEC,
5071 .help = "remove breakpoint",
5072 .usage = "address",
5073 },
5074 {
5075 .name = "wp",
5076 .handler = handle_wp_command,
5077 .mode = COMMAND_EXEC,
5078 .help = "list (no params) or create watchpoints",
5079 .usage = "[address length [('r'|'w'|'a') value [mask]]]",
5080 },
5081 {
5082 .name = "rwp",
5083 .handler = handle_rwp_command,
5084 .mode = COMMAND_EXEC,
5085 .help = "remove watchpoint",
5086 .usage = "address",
5087 },
5088 {
5089 .name = "load_image",
5090 .handler = handle_load_image_command,
5091 .mode = COMMAND_EXEC,
5092 .usage = "filename address ['bin'|'ihex'|'elf'|'s19'] "
5093 "[min_address] [max_length]",
5094 },
5095 {
5096 .name = "dump_image",
5097 .handler = handle_dump_image_command,
5098 .mode = COMMAND_EXEC,
5099 .usage = "filename address size",
5100 },
5101 {
5102 .name = "verify_image",
5103 .handler = handle_verify_image_command,
5104 .mode = COMMAND_EXEC,
5105 .usage = "filename [offset [type]]",
5106 },
5107 {
5108 .name = "test_image",
5109 .handler = handle_test_image_command,
5110 .mode = COMMAND_EXEC,
5111 .usage = "filename [offset [type]]",
5112 },
5113 {
5114 .name = "ocd_mem2array",
5115 .mode = COMMAND_EXEC,
5116 .jim_handler = jim_mem2array,
5117 .help = "read 8/16/32 bit memory and return as a TCL array "
5118 "for script processing",
5119 .usage = "arrayname bitwidth address count",
5120 },
5121 {
5122 .name = "ocd_array2mem",
5123 .mode = COMMAND_EXEC,
5124 .jim_handler = jim_array2mem,
5125 .help = "convert a TCL array to memory locations "
5126 "and write the 8/16/32 bit values",
5127 .usage = "arrayname bitwidth address count",
5128 },
5129 {
5130 .name = "reset_nag",
5131 .handler = handle_target_reset_nag,
5132 .mode = COMMAND_ANY,
5133 .help = "Nag after each reset about options that could have been "
5134 "enabled to improve performance. ",
5135 .usage = "['enable'|'disable']",
5136 },
5137 COMMAND_REGISTRATION_DONE
5138 };
5139 int target_register_user_commands(struct command_context *cmd_ctx)
5140 {
5141 int retval = ERROR_OK;
5142 if ((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
5143 return retval;
5144
5145 if ((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
5146 return retval;
5147
5148
5149 return register_commands(cmd_ctx, NULL, target_exec_command_handlers);
5150 }
Some of Dave's pending patches