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TARGET: review handle_load_image_command()
[openocd/cortex.git] / src / target / target.c
blob6edc23986e1fefcb9f26f15baa329bc79b6dd848
1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
4 * *
5 * Copyright (C) 2007-2010 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 #include <flash/nor/core.h>
39
40 #include "target.h"
41 #include "target_type.h"
42 #include "target_request.h"
43 #include "breakpoints.h"
44 #include "register.h"
45 #include "trace.h"
46 #include "image.h"
47
48
49 static int target_array2mem(Jim_Interp *interp, struct target *target,
50 int argc, Jim_Obj *const *argv);
51 static int target_mem2array(Jim_Interp *interp, struct target *target,
52 int argc, Jim_Obj *const *argv);
53 static int target_register_user_commands(struct command_context *cmd_ctx);
54
55 /* targets */
56 extern struct target_type arm7tdmi_target;
57 extern struct target_type arm720t_target;
58 extern struct target_type arm9tdmi_target;
59 extern struct target_type arm920t_target;
60 extern struct target_type arm966e_target;
61 extern struct target_type arm926ejs_target;
62 extern struct target_type fa526_target;
63 extern struct target_type feroceon_target;
64 extern struct target_type dragonite_target;
65 extern struct target_type xscale_target;
66 extern struct target_type cortexm3_target;
67 extern struct target_type cortexa8_target;
68 extern struct target_type arm11_target;
69 extern struct target_type mips_m4k_target;
70 extern struct target_type avr_target;
71 extern struct target_type dsp563xx_target;
72 extern struct target_type testee_target;
73 extern struct target_type avr32_ap7k_target;
74
75 static struct target_type *target_types[] =
76 {
77 &arm7tdmi_target,
78 &arm9tdmi_target,
79 &arm920t_target,
80 &arm720t_target,
81 &arm966e_target,
82 &arm926ejs_target,
83 &fa526_target,
84 &feroceon_target,
85 &dragonite_target,
86 &xscale_target,
87 &cortexm3_target,
88 &cortexa8_target,
89 &arm11_target,
90 &mips_m4k_target,
91 &avr_target,
92 &dsp563xx_target,
93 &testee_target,
94 &avr32_ap7k_target,
95 NULL,
96 };
97
98 struct target *all_targets = NULL;
99 static struct target_event_callback *target_event_callbacks = NULL;
100 static struct target_timer_callback *target_timer_callbacks = NULL;
101 static const int polling_interval = 100;
102
103 static const Jim_Nvp nvp_assert[] = {
104 { .name = "assert", NVP_ASSERT },
105 { .name = "deassert", NVP_DEASSERT },
106 { .name = "T", NVP_ASSERT },
107 { .name = "F", NVP_DEASSERT },
108 { .name = "t", NVP_ASSERT },
109 { .name = "f", NVP_DEASSERT },
110 { .name = NULL, .value = -1 }
111 };
112
113 static const Jim_Nvp nvp_error_target[] = {
114 { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
115 { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
116 { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
117 { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
118 { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
119 { .value = ERROR_TARGET_UNALIGNED_ACCESS , .name = "err-unaligned-access" },
120 { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
121 { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
122 { .value = ERROR_TARGET_TRANSLATION_FAULT , .name = "err-translation-fault" },
123 { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
124 { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
125 { .value = -1, .name = NULL }
126 };
127
128 static const char *target_strerror_safe(int err)
129 {
130 const Jim_Nvp *n;
131
132 n = Jim_Nvp_value2name_simple(nvp_error_target, err);
133 if (n->name == NULL) {
134 return "unknown";
135 } else {
136 return n->name;
137 }
138 }
139
140 static const Jim_Nvp nvp_target_event[] = {
141 { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
142 { .value = TARGET_EVENT_OLD_pre_resume , .name = "old-pre_resume" },
143
144 { .value = TARGET_EVENT_GDB_HALT, .name = "gdb-halt" },
145 { .value = TARGET_EVENT_HALTED, .name = "halted" },
146 { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
147 { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
148 { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
149
150 { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
151 { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
152
153 /* historical name */
154
155 { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
156
157 { .value = TARGET_EVENT_RESET_ASSERT_PRE, .name = "reset-assert-pre" },
158 { .value = TARGET_EVENT_RESET_ASSERT, .name = "reset-assert" },
159 { .value = TARGET_EVENT_RESET_ASSERT_POST, .name = "reset-assert-post" },
160 { .value = TARGET_EVENT_RESET_DEASSERT_PRE, .name = "reset-deassert-pre" },
161 { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
162 { .value = TARGET_EVENT_RESET_HALT_PRE, .name = "reset-halt-pre" },
163 { .value = TARGET_EVENT_RESET_HALT_POST, .name = "reset-halt-post" },
164 { .value = TARGET_EVENT_RESET_WAIT_PRE, .name = "reset-wait-pre" },
165 { .value = TARGET_EVENT_RESET_WAIT_POST, .name = "reset-wait-post" },
166 { .value = TARGET_EVENT_RESET_INIT, .name = "reset-init" },
167 { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
168
169 { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
170 { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
171
172 { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
173 { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
174
175 { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
176 { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
177
178 { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
179 { .value = TARGET_EVENT_GDB_FLASH_WRITE_END , .name = "gdb-flash-write-end" },
180
181 { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
182 { .value = TARGET_EVENT_GDB_FLASH_ERASE_END , .name = "gdb-flash-erase-end" },
183
184 { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
185 { .value = TARGET_EVENT_RESUMED , .name = "resume-ok" },
186 { .value = TARGET_EVENT_RESUME_END , .name = "resume-end" },
187
188 { .name = NULL, .value = -1 }
189 };
190
191 static const Jim_Nvp nvp_target_state[] = {
192 { .name = "unknown", .value = TARGET_UNKNOWN },
193 { .name = "running", .value = TARGET_RUNNING },
194 { .name = "halted", .value = TARGET_HALTED },
195 { .name = "reset", .value = TARGET_RESET },
196 { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
197 { .name = NULL, .value = -1 },
198 };
199
200 static const Jim_Nvp nvp_target_debug_reason [] = {
201 { .name = "debug-request" , .value = DBG_REASON_DBGRQ },
202 { .name = "breakpoint" , .value = DBG_REASON_BREAKPOINT },
203 { .name = "watchpoint" , .value = DBG_REASON_WATCHPOINT },
204 { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
205 { .name = "single-step" , .value = DBG_REASON_SINGLESTEP },
206 { .name = "target-not-halted" , .value = DBG_REASON_NOTHALTED },
207 { .name = "undefined" , .value = DBG_REASON_UNDEFINED },
208 { .name = NULL, .value = -1 },
209 };
210
211 static const Jim_Nvp nvp_target_endian[] = {
212 { .name = "big", .value = TARGET_BIG_ENDIAN },
213 { .name = "little", .value = TARGET_LITTLE_ENDIAN },
214 { .name = "be", .value = TARGET_BIG_ENDIAN },
215 { .name = "le", .value = TARGET_LITTLE_ENDIAN },
216 { .name = NULL, .value = -1 },
217 };
218
219 static const Jim_Nvp nvp_reset_modes[] = {
220 { .name = "unknown", .value = RESET_UNKNOWN },
221 { .name = "run" , .value = RESET_RUN },
222 { .name = "halt" , .value = RESET_HALT },
223 { .name = "init" , .value = RESET_INIT },
224 { .name = NULL , .value = -1 },
225 };
226
227 const char *debug_reason_name(struct target *t)
228 {
229 const char *cp;
230
231 cp = Jim_Nvp_value2name_simple(nvp_target_debug_reason,
232 t->debug_reason)->name;
233 if (!cp) {
234 LOG_ERROR("Invalid debug reason: %d", (int)(t->debug_reason));
235 cp = "(*BUG*unknown*BUG*)";
236 }
237 return cp;
238 }
239
240 const char *
241 target_state_name( struct target *t )
242 {
243 const char *cp;
244 cp = Jim_Nvp_value2name_simple(nvp_target_state, t->state)->name;
245 if( !cp ){
246 LOG_ERROR("Invalid target state: %d", (int)(t->state));
247 cp = "(*BUG*unknown*BUG*)";
248 }
249 return cp;
250 }
251
252 /* determine the number of the new target */
253 static int new_target_number(void)
254 {
255 struct target *t;
256 int x;
257
258 /* number is 0 based */
259 x = -1;
260 t = all_targets;
261 while (t) {
262 if (x < t->target_number) {
263 x = t->target_number;
264 }
265 t = t->next;
266 }
267 return x + 1;
268 }
269
270 /* read a uint32_t from a buffer in target memory endianness */
271 uint32_t target_buffer_get_u32(struct target *target, const uint8_t *buffer)
272 {
273 if (target->endianness == TARGET_LITTLE_ENDIAN)
274 return le_to_h_u32(buffer);
275 else
276 return be_to_h_u32(buffer);
277 }
278
279 /* read a uint16_t from a buffer in target memory endianness */
280 uint16_t target_buffer_get_u16(struct target *target, const uint8_t *buffer)
281 {
282 if (target->endianness == TARGET_LITTLE_ENDIAN)
283 return le_to_h_u16(buffer);
284 else
285 return be_to_h_u16(buffer);
286 }
287
288 /* read a uint8_t from a buffer in target memory endianness */
289 static uint8_t target_buffer_get_u8(struct target *target, const uint8_t *buffer)
290 {
291 return *buffer & 0x0ff;
292 }
293
294 /* write a uint32_t to a buffer in target memory endianness */
295 void target_buffer_set_u32(struct target *target, uint8_t *buffer, uint32_t value)
296 {
297 if (target->endianness == TARGET_LITTLE_ENDIAN)
298 h_u32_to_le(buffer, value);
299 else
300 h_u32_to_be(buffer, value);
301 }
302
303 /* write a uint16_t to a buffer in target memory endianness */
304 void target_buffer_set_u16(struct target *target, uint8_t *buffer, uint16_t value)
305 {
306 if (target->endianness == TARGET_LITTLE_ENDIAN)
307 h_u16_to_le(buffer, value);
308 else
309 h_u16_to_be(buffer, value);
310 }
311
312 /* write a uint8_t to a buffer in target memory endianness */
313 static void target_buffer_set_u8(struct target *target, uint8_t *buffer, uint8_t value)
314 {
315 *buffer = value;
316 }
317
318 /* return a pointer to a configured target; id is name or number */
319 struct target *get_target(const char *id)
320 {
321 struct target *target;
322
323 /* try as tcltarget name */
324 for (target = all_targets; target; target = target->next) {
325 if (target->cmd_name == NULL)
326 continue;
327 if (strcmp(id, target->cmd_name) == 0)
328 return target;
329 }
330
331 /* It's OK to remove this fallback sometime after August 2010 or so */
332
333 /* no match, try as number */
334 unsigned num;
335 if (parse_uint(id, &num) != ERROR_OK)
336 return NULL;
337
338 for (target = all_targets; target; target = target->next) {
339 if (target->target_number == (int)num) {
340 LOG_WARNING("use '%s' as target identifier, not '%u'",
341 target->cmd_name, num);
342 return target;
343 }
344 }
345
346 return NULL;
347 }
348
349 /* returns a pointer to the n-th configured target */
350 static struct target *get_target_by_num(int num)
351 {
352 struct target *target = all_targets;
353
354 while (target) {
355 if (target->target_number == num) {
356 return target;
357 }
358 target = target->next;
359 }
360
361 return NULL;
362 }
363
364 struct target* get_current_target(struct command_context *cmd_ctx)
365 {
366 struct target *target = get_target_by_num(cmd_ctx->current_target);
367
368 if (target == NULL)
369 {
370 LOG_ERROR("BUG: current_target out of bounds");
371 exit(-1);
372 }
373
374 return target;
375 }
376
377 int target_poll(struct target *target)
378 {
379 int retval;
380
381 /* We can't poll until after examine */
382 if (!target_was_examined(target))
383 {
384 /* Fail silently lest we pollute the log */
385 return ERROR_FAIL;
386 }
387
388 retval = target->type->poll(target);
389 if (retval != ERROR_OK)
390 return retval;
391
392 if (target->halt_issued)
393 {
394 if (target->state == TARGET_HALTED)
395 {
396 target->halt_issued = false;
397 } else
398 {
399 long long t = timeval_ms() - target->halt_issued_time;
400 if (t>1000)
401 {
402 target->halt_issued = false;
403 LOG_INFO("Halt timed out, wake up GDB.");
404 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
405 }
406 }
407 }
408
409 return ERROR_OK;
410 }
411
412 int target_halt(struct target *target)
413 {
414 int retval;
415 /* We can't poll until after examine */
416 if (!target_was_examined(target))
417 {
418 LOG_ERROR("Target not examined yet");
419 return ERROR_FAIL;
420 }
421
422 retval = target->type->halt(target);
423 if (retval != ERROR_OK)
424 return retval;
425
426 target->halt_issued = true;
427 target->halt_issued_time = timeval_ms();
428
429 return ERROR_OK;
430 }
431
432 /**
433 * Make the target (re)start executing using its saved execution
434 * context (possibly with some modifications).
435 *
436 * @param target Which target should start executing.
437 * @param current True to use the target's saved program counter instead
438 * of the address parameter
439 * @param address Optionally used as the program counter.
440 * @param handle_breakpoints True iff breakpoints at the resumption PC
441 * should be skipped. (For example, maybe execution was stopped by
442 * such a breakpoint, in which case it would be counterprodutive to
443 * let it re-trigger.
444 * @param debug_execution False if all working areas allocated by OpenOCD
445 * should be released and/or restored to their original contents.
446 * (This would for example be true to run some downloaded "helper"
447 * algorithm code, which resides in one such working buffer and uses
448 * another for data storage.)
449 *
450 * @todo Resolve the ambiguity about what the "debug_execution" flag
451 * signifies. For example, Target implementations don't agree on how
452 * it relates to invalidation of the register cache, or to whether
453 * breakpoints and watchpoints should be enabled. (It would seem wrong
454 * to enable breakpoints when running downloaded "helper" algorithms
455 * (debug_execution true), since the breakpoints would be set to match
456 * target firmware being debugged, not the helper algorithm.... and
457 * enabling them could cause such helpers to malfunction (for example,
458 * by overwriting data with a breakpoint instruction. On the other
459 * hand the infrastructure for running such helpers might use this
460 * procedure but rely on hardware breakpoint to detect termination.)
461 */
462 int target_resume(struct target *target, int current, uint32_t address, int handle_breakpoints, int debug_execution)
463 {
464 int retval;
465
466 /* We can't poll until after examine */
467 if (!target_was_examined(target))
468 {
469 LOG_ERROR("Target not examined yet");
470 return ERROR_FAIL;
471 }
472
473 /* note that resume *must* be asynchronous. The CPU can halt before
474 * we poll. The CPU can even halt at the current PC as a result of
475 * a software breakpoint being inserted by (a bug?) the application.
476 */
477 if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
478 return retval;
479
480 return retval;
481 }
482
483 static int target_process_reset(struct command_context *cmd_ctx, enum target_reset_mode reset_mode)
484 {
485 char buf[100];
486 int retval;
487 Jim_Nvp *n;
488 n = Jim_Nvp_value2name_simple(nvp_reset_modes, reset_mode);
489 if (n->name == NULL) {
490 LOG_ERROR("invalid reset mode");
491 return ERROR_FAIL;
492 }
493
494 /* disable polling during reset to make reset event scripts
495 * more predictable, i.e. dr/irscan & pathmove in events will
496 * not have JTAG operations injected into the middle of a sequence.
497 */
498 bool save_poll = jtag_poll_get_enabled();
499
500 jtag_poll_set_enabled(false);
501
502 sprintf(buf, "ocd_process_reset %s", n->name);
503 retval = Jim_Eval(cmd_ctx->interp, buf);
504
505 jtag_poll_set_enabled(save_poll);
506
507 if (retval != JIM_OK) {
508 Jim_PrintErrorMessage(cmd_ctx->interp);
509 return ERROR_FAIL;
510 }
511
512 /* We want any events to be processed before the prompt */
513 retval = target_call_timer_callbacks_now();
514
515 struct target *target;
516 for (target = all_targets; target; target = target->next) {
517 target->type->check_reset(target);
518 }
519
520 return retval;
521 }
522
523 static int identity_virt2phys(struct target *target,
524 uint32_t virtual, uint32_t *physical)
525 {
526 *physical = virtual;
527 return ERROR_OK;
528 }
529
530 static int no_mmu(struct target *target, int *enabled)
531 {
532 *enabled = 0;
533 return ERROR_OK;
534 }
535
536 static int default_examine(struct target *target)
537 {
538 target_set_examined(target);
539 return ERROR_OK;
540 }
541
542 /* no check by default */
543 static int default_check_reset(struct target *target)
544 {
545 return ERROR_OK;
546 }
547
548 int target_examine_one(struct target *target)
549 {
550 return target->type->examine(target);
551 }
552
553 static int jtag_enable_callback(enum jtag_event event, void *priv)
554 {
555 struct target *target = priv;
556
557 if (event != JTAG_TAP_EVENT_ENABLE || !target->tap->enabled)
558 return ERROR_OK;
559
560 jtag_unregister_event_callback(jtag_enable_callback, target);
561 return target_examine_one(target);
562 }
563
564
565 /* Targets that correctly implement init + examine, i.e.
566 * no communication with target during init:
567 *
568 * XScale
569 */
570 int target_examine(void)
571 {
572 int retval = ERROR_OK;
573 struct target *target;
574
575 for (target = all_targets; target; target = target->next)
576 {
577 /* defer examination, but don't skip it */
578 if (!target->tap->enabled) {
579 jtag_register_event_callback(jtag_enable_callback,
580 target);
581 continue;
582 }
583 if ((retval = target_examine_one(target)) != ERROR_OK)
584 return retval;
585 }
586 return retval;
587 }
588 const char *target_type_name(struct target *target)
589 {
590 return target->type->name;
591 }
592
593 static int target_write_memory_imp(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
594 {
595 if (!target_was_examined(target))
596 {
597 LOG_ERROR("Target not examined yet");
598 return ERROR_FAIL;
599 }
600 return target->type->write_memory_imp(target, address, size, count, buffer);
601 }
602
603 static int target_read_memory_imp(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
604 {
605 if (!target_was_examined(target))
606 {
607 LOG_ERROR("Target not examined yet");
608 return ERROR_FAIL;
609 }
610 return target->type->read_memory_imp(target, address, size, count, buffer);
611 }
612
613 static int target_soft_reset_halt_imp(struct target *target)
614 {
615 if (!target_was_examined(target))
616 {
617 LOG_ERROR("Target not examined yet");
618 return ERROR_FAIL;
619 }
620 if (!target->type->soft_reset_halt_imp) {
621 LOG_ERROR("Target %s does not support soft_reset_halt",
622 target_name(target));
623 return ERROR_FAIL;
624 }
625 return target->type->soft_reset_halt_imp(target);
626 }
627
628 /**
629 * Downloads a target-specific native code algorithm to the target,
630 * and executes it. * Note that some targets may need to set up, enable,
631 * and tear down a breakpoint (hard or * soft) to detect algorithm
632 * termination, while others may support lower overhead schemes where
633 * soft breakpoints embedded in the algorithm automatically terminate the
634 * algorithm.
635 *
636 * @param target used to run the algorithm
637 * @param arch_info target-specific description of the algorithm.
638 */
639 int target_run_algorithm(struct target *target,
640 int num_mem_params, struct mem_param *mem_params,
641 int num_reg_params, struct reg_param *reg_param,
642 uint32_t entry_point, uint32_t exit_point,
643 int timeout_ms, void *arch_info)
644 {
645 int retval = ERROR_FAIL;
646
647 if (!target_was_examined(target))
648 {
649 LOG_ERROR("Target not examined yet");
650 goto done;
651 }
652 if (!target->type->run_algorithm) {
653 LOG_ERROR("Target type '%s' does not support %s",
654 target_type_name(target), __func__);
655 goto done;
656 }
657
658 target->running_alg = true;
659 retval = target->type->run_algorithm(target,
660 num_mem_params, mem_params,
661 num_reg_params, reg_param,
662 entry_point, exit_point, timeout_ms, arch_info);
663 target->running_alg = false;
664
665 done:
666 return retval;
667 }
668
669
670 int target_read_memory(struct target *target,
671 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
672 {
673 return target->type->read_memory(target, address, size, count, buffer);
674 }
675
676 static int target_read_phys_memory(struct target *target,
677 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
678 {
679 return target->type->read_phys_memory(target, address, size, count, buffer);
680 }
681
682 int target_write_memory(struct target *target,
683 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
684 {
685 return target->type->write_memory(target, address, size, count, buffer);
686 }
687
688 static int target_write_phys_memory(struct target *target,
689 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
690 {
691 return target->type->write_phys_memory(target, address, size, count, buffer);
692 }
693
694 int target_bulk_write_memory(struct target *target,
695 uint32_t address, uint32_t count, uint8_t *buffer)
696 {
697 return target->type->bulk_write_memory(target, address, count, buffer);
698 }
699
700 int target_add_breakpoint(struct target *target,
701 struct breakpoint *breakpoint)
702 {
703 if (target->state != TARGET_HALTED) {
704 LOG_WARNING("target %s is not halted", target->cmd_name);
705 return ERROR_TARGET_NOT_HALTED;
706 }
707 return target->type->add_breakpoint(target, breakpoint);
708 }
709 int target_remove_breakpoint(struct target *target,
710 struct breakpoint *breakpoint)
711 {
712 return target->type->remove_breakpoint(target, breakpoint);
713 }
714
715 int target_add_watchpoint(struct target *target,
716 struct watchpoint *watchpoint)
717 {
718 if (target->state != TARGET_HALTED) {
719 LOG_WARNING("target %s is not halted", target->cmd_name);
720 return ERROR_TARGET_NOT_HALTED;
721 }
722 return target->type->add_watchpoint(target, watchpoint);
723 }
724 int target_remove_watchpoint(struct target *target,
725 struct watchpoint *watchpoint)
726 {
727 return target->type->remove_watchpoint(target, watchpoint);
728 }
729
730 int target_get_gdb_reg_list(struct target *target,
731 struct reg **reg_list[], int *reg_list_size)
732 {
733 return target->type->get_gdb_reg_list(target, reg_list, reg_list_size);
734 }
735 int target_step(struct target *target,
736 int current, uint32_t address, int handle_breakpoints)
737 {
738 return target->type->step(target, current, address, handle_breakpoints);
739 }
740
741
742 /**
743 * Reset the @c examined flag for the given target.
744 * Pure paranoia -- targets are zeroed on allocation.
745 */
746 static void target_reset_examined(struct target *target)
747 {
748 target->examined = false;
749 }
750
751 static int
752 err_read_phys_memory(struct target *target, uint32_t address,
753 uint32_t size, uint32_t count, uint8_t *buffer)
754 {
755 LOG_ERROR("Not implemented: %s", __func__);
756 return ERROR_FAIL;
757 }
758
759 static int
760 err_write_phys_memory(struct target *target, uint32_t address,
761 uint32_t size, uint32_t count, uint8_t *buffer)
762 {
763 LOG_ERROR("Not implemented: %s", __func__);
764 return ERROR_FAIL;
765 }
766
767 static int handle_target(void *priv);
768
769 static int target_init_one(struct command_context *cmd_ctx,
770 struct target *target)
771 {
772 target_reset_examined(target);
773
774 struct target_type *type = target->type;
775 if (type->examine == NULL)
776 type->examine = default_examine;
777
778 if (type->check_reset== NULL)
779 type->check_reset = default_check_reset;
780
781 int retval = type->init_target(cmd_ctx, target);
782 if (ERROR_OK != retval)
783 {
784 LOG_ERROR("target '%s' init failed", target_name(target));
785 return retval;
786 }
787
788 /**
789 * @todo get rid of those *memory_imp() methods, now that all
790 * callers are using target_*_memory() accessors ... and make
791 * sure the "physical" paths handle the same issues.
792 */
793 /* a non-invasive way(in terms of patches) to add some code that
794 * runs before the type->write/read_memory implementation
795 */
796 type->write_memory_imp = target->type->write_memory;
797 type->write_memory = target_write_memory_imp;
798
799 type->read_memory_imp = target->type->read_memory;
800 type->read_memory = target_read_memory_imp;
801
802 type->soft_reset_halt_imp = target->type->soft_reset_halt;
803 type->soft_reset_halt = target_soft_reset_halt_imp;
804
805 /* Sanity-check MMU support ... stub in what we must, to help
806 * implement it in stages, but warn if we need to do so.
807 */
808 if (type->mmu)
809 {
810 if (type->write_phys_memory == NULL)
811 {
812 LOG_ERROR("type '%s' is missing write_phys_memory",
813 type->name);
814 type->write_phys_memory = err_write_phys_memory;
815 }
816 if (type->read_phys_memory == NULL)
817 {
818 LOG_ERROR("type '%s' is missing read_phys_memory",
819 type->name);
820 type->read_phys_memory = err_read_phys_memory;
821 }
822 if (type->virt2phys == NULL)
823 {
824 LOG_ERROR("type '%s' is missing virt2phys", type->name);
825 type->virt2phys = identity_virt2phys;
826 }
827 }
828 else
829 {
830 /* Make sure no-MMU targets all behave the same: make no
831 * distinction between physical and virtual addresses, and
832 * ensure that virt2phys() is always an identity mapping.
833 */
834 if (type->write_phys_memory || type->read_phys_memory
835 || type->virt2phys)
836 {
837 LOG_WARNING("type '%s' has bad MMU hooks", type->name);
838 }
839
840 type->mmu = no_mmu;
841 type->write_phys_memory = type->write_memory;
842 type->read_phys_memory = type->read_memory;
843 type->virt2phys = identity_virt2phys;
844 }
845 return ERROR_OK;
846 }
847
848 static int target_init(struct command_context *cmd_ctx)
849 {
850 struct target *target;
851 int retval;
852
853 for (target = all_targets; target; target = target->next)
854 {
855 retval = target_init_one(cmd_ctx, target);
856 if (ERROR_OK != retval)
857 return retval;
858 }
859
860 if (!all_targets)
861 return ERROR_OK;
862
863 retval = target_register_user_commands(cmd_ctx);
864 if (ERROR_OK != retval)
865 return retval;
866
867 retval = target_register_timer_callback(&handle_target,
868 polling_interval, 1, cmd_ctx->interp);
869 if (ERROR_OK != retval)
870 return retval;
871
872 return ERROR_OK;
873 }
874
875 COMMAND_HANDLER(handle_target_init_command)
876 {
877 if (CMD_ARGC != 0)
878 return ERROR_COMMAND_SYNTAX_ERROR;
879
880 static bool target_initialized = false;
881 if (target_initialized)
882 {
883 LOG_INFO("'target init' has already been called");
884 return ERROR_OK;
885 }
886 target_initialized = true;
887
888 LOG_DEBUG("Initializing targets...");
889 return target_init(CMD_CTX);
890 }
891
892 int target_register_event_callback(int (*callback)(struct target *target, enum target_event event, void *priv), void *priv)
893 {
894 struct target_event_callback **callbacks_p = &target_event_callbacks;
895
896 if (callback == NULL)
897 {
898 return ERROR_INVALID_ARGUMENTS;
899 }
900
901 if (*callbacks_p)
902 {
903 while ((*callbacks_p)->next)
904 callbacks_p = &((*callbacks_p)->next);
905 callbacks_p = &((*callbacks_p)->next);
906 }
907
908 (*callbacks_p) = malloc(sizeof(struct target_event_callback));
909 (*callbacks_p)->callback = callback;
910 (*callbacks_p)->priv = priv;
911 (*callbacks_p)->next = NULL;
912
913 return ERROR_OK;
914 }
915
916 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
917 {
918 struct target_timer_callback **callbacks_p = &target_timer_callbacks;
919 struct timeval now;
920
921 if (callback == NULL)
922 {
923 return ERROR_INVALID_ARGUMENTS;
924 }
925
926 if (*callbacks_p)
927 {
928 while ((*callbacks_p)->next)
929 callbacks_p = &((*callbacks_p)->next);
930 callbacks_p = &((*callbacks_p)->next);
931 }
932
933 (*callbacks_p) = malloc(sizeof(struct target_timer_callback));
934 (*callbacks_p)->callback = callback;
935 (*callbacks_p)->periodic = periodic;
936 (*callbacks_p)->time_ms = time_ms;
937
938 gettimeofday(&now, NULL);
939 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
940 time_ms -= (time_ms % 1000);
941 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
942 if ((*callbacks_p)->when.tv_usec > 1000000)
943 {
944 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
945 (*callbacks_p)->when.tv_sec += 1;
946 }
947
948 (*callbacks_p)->priv = priv;
949 (*callbacks_p)->next = NULL;
950
951 return ERROR_OK;
952 }
953
954 int target_unregister_event_callback(int (*callback)(struct target *target, enum target_event event, void *priv), void *priv)
955 {
956 struct target_event_callback **p = &target_event_callbacks;
957 struct target_event_callback *c = target_event_callbacks;
958
959 if (callback == NULL)
960 {
961 return ERROR_INVALID_ARGUMENTS;
962 }
963
964 while (c)
965 {
966 struct target_event_callback *next = c->next;
967 if ((c->callback == callback) && (c->priv == priv))
968 {
969 *p = next;
970 free(c);
971 return ERROR_OK;
972 }
973 else
974 p = &(c->next);
975 c = next;
976 }
977
978 return ERROR_OK;
979 }
980
981 static int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
982 {
983 struct target_timer_callback **p = &target_timer_callbacks;
984 struct target_timer_callback *c = target_timer_callbacks;
985
986 if (callback == NULL)
987 {
988 return ERROR_INVALID_ARGUMENTS;
989 }
990
991 while (c)
992 {
993 struct target_timer_callback *next = c->next;
994 if ((c->callback == callback) && (c->priv == priv))
995 {
996 *p = next;
997 free(c);
998 return ERROR_OK;
999 }
1000 else
1001 p = &(c->next);
1002 c = next;
1003 }
1004
1005 return ERROR_OK;
1006 }
1007
1008 int target_call_event_callbacks(struct target *target, enum target_event event)
1009 {
1010 struct target_event_callback *callback = target_event_callbacks;
1011 struct target_event_callback *next_callback;
1012
1013 if (event == TARGET_EVENT_HALTED)
1014 {
1015 /* execute early halted first */
1016 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
1017 }
1018
1019 LOG_DEBUG("target event %i (%s)",
1020 event,
1021 Jim_Nvp_value2name_simple(nvp_target_event, event)->name);
1022
1023 target_handle_event(target, event);
1024
1025 while (callback)
1026 {
1027 next_callback = callback->next;
1028 callback->callback(target, event, callback->priv);
1029 callback = next_callback;
1030 }
1031
1032 return ERROR_OK;
1033 }
1034
1035 static int target_timer_callback_periodic_restart(
1036 struct target_timer_callback *cb, struct timeval *now)
1037 {
1038 int time_ms = cb->time_ms;
1039 cb->when.tv_usec = now->tv_usec + (time_ms % 1000) * 1000;
1040 time_ms -= (time_ms % 1000);
1041 cb->when.tv_sec = now->tv_sec + time_ms / 1000;
1042 if (cb->when.tv_usec > 1000000)
1043 {
1044 cb->when.tv_usec = cb->when.tv_usec - 1000000;
1045 cb->when.tv_sec += 1;
1046 }
1047 return ERROR_OK;
1048 }
1049
1050 static int target_call_timer_callback(struct target_timer_callback *cb,
1051 struct timeval *now)
1052 {
1053 cb->callback(cb->priv);
1054
1055 if (cb->periodic)
1056 return target_timer_callback_periodic_restart(cb, now);
1057
1058 return target_unregister_timer_callback(cb->callback, cb->priv);
1059 }
1060
1061 static int target_call_timer_callbacks_check_time(int checktime)
1062 {
1063 keep_alive();
1064
1065 struct timeval now;
1066 gettimeofday(&now, NULL);
1067
1068 struct target_timer_callback *callback = target_timer_callbacks;
1069 while (callback)
1070 {
1071 // cleaning up may unregister and free this callback
1072 struct target_timer_callback *next_callback = callback->next;
1073
1074 bool call_it = callback->callback &&
1075 ((!checktime && callback->periodic) ||
1076 now.tv_sec > callback->when.tv_sec ||
1077 (now.tv_sec == callback->when.tv_sec &&
1078 now.tv_usec >= callback->when.tv_usec));
1079
1080 if (call_it)
1081 {
1082 int retval = target_call_timer_callback(callback, &now);
1083 if (retval != ERROR_OK)
1084 return retval;
1085 }
1086
1087 callback = next_callback;
1088 }
1089
1090 return ERROR_OK;
1091 }
1092
1093 int target_call_timer_callbacks(void)
1094 {
1095 return target_call_timer_callbacks_check_time(1);
1096 }
1097
1098 /* invoke periodic callbacks immediately */
1099 int target_call_timer_callbacks_now(void)
1100 {
1101 return target_call_timer_callbacks_check_time(0);
1102 }
1103
1104 int target_alloc_working_area_try(struct target *target, uint32_t size, struct working_area **area)
1105 {
1106 struct working_area *c = target->working_areas;
1107 struct working_area *new_wa = NULL;
1108
1109 /* Reevaluate working area address based on MMU state*/
1110 if (target->working_areas == NULL)
1111 {
1112 int retval;
1113 int enabled;
1114
1115 retval = target->type->mmu(target, &enabled);
1116 if (retval != ERROR_OK)
1117 {
1118 return retval;
1119 }
1120
1121 if (!enabled) {
1122 if (target->working_area_phys_spec) {
1123 LOG_DEBUG("MMU disabled, using physical "
1124 "address for working memory 0x%08x",
1125 (unsigned)target->working_area_phys);
1126 target->working_area = target->working_area_phys;
1127 } else {
1128 LOG_ERROR("No working memory available. "
1129 "Specify -work-area-phys to target.");
1130 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1131 }
1132 } else {
1133 if (target->working_area_virt_spec) {
1134 LOG_DEBUG("MMU enabled, using virtual "
1135 "address for working memory 0x%08x",
1136 (unsigned)target->working_area_virt);
1137 target->working_area = target->working_area_virt;
1138 } else {
1139 LOG_ERROR("No working memory available. "
1140 "Specify -work-area-virt to target.");
1141 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1142 }
1143 }
1144 }
1145
1146 /* only allocate multiples of 4 byte */
1147 if (size % 4)
1148 {
1149 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes (0x%08x), padding", ((unsigned)(size)));
1150 size = (size + 3) & (~3);
1151 }
1152
1153 /* see if there's already a matching working area */
1154 while (c)
1155 {
1156 if ((c->free) && (c->size == size))
1157 {
1158 new_wa = c;
1159 break;
1160 }
1161 c = c->next;
1162 }
1163
1164 /* if not, allocate a new one */
1165 if (!new_wa)
1166 {
1167 struct working_area **p = &target->working_areas;
1168 uint32_t first_free = target->working_area;
1169 uint32_t free_size = target->working_area_size;
1170
1171 c = target->working_areas;
1172 while (c)
1173 {
1174 first_free += c->size;
1175 free_size -= c->size;
1176 p = &c->next;
1177 c = c->next;
1178 }
1179
1180 if (free_size < size)
1181 {
1182 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1183 }
1184
1185 LOG_DEBUG("allocated new working area at address 0x%08x", (unsigned)first_free);
1186
1187 new_wa = malloc(sizeof(struct working_area));
1188 new_wa->next = NULL;
1189 new_wa->size = size;
1190 new_wa->address = first_free;
1191
1192 if (target->backup_working_area)
1193 {
1194 int retval;
1195 new_wa->backup = malloc(new_wa->size);
1196 if ((retval = target_read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
1197 {
1198 free(new_wa->backup);
1199 free(new_wa);
1200 return retval;
1201 }
1202 }
1203 else
1204 {
1205 new_wa->backup = NULL;
1206 }
1207
1208 /* put new entry in list */
1209 *p = new_wa;
1210 }
1211
1212 /* mark as used, and return the new (reused) area */
1213 new_wa->free = 0;
1214 *area = new_wa;
1215
1216 /* user pointer */
1217 new_wa->user = area;
1218
1219 return ERROR_OK;
1220 }
1221
1222 int target_alloc_working_area(struct target *target, uint32_t size, struct working_area **area)
1223 {
1224 int retval;
1225
1226 retval = target_alloc_working_area_try(target, size, area);
1227 if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
1228 {
1229 LOG_WARNING("not enough working area available(requested %u)", (unsigned)(size));
1230 }
1231 return retval;
1232
1233 }
1234
1235 static int target_free_working_area_restore(struct target *target, struct working_area *area, int restore)
1236 {
1237 if (area->free)
1238 return ERROR_OK;
1239
1240 if (restore && target->backup_working_area)
1241 {
1242 int retval;
1243 if ((retval = target_write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
1244 return retval;
1245 }
1246
1247 area->free = 1;
1248
1249 /* mark user pointer invalid */
1250 *area->user = NULL;
1251 area->user = NULL;
1252
1253 return ERROR_OK;
1254 }
1255
1256 int target_free_working_area(struct target *target, struct working_area *area)
1257 {
1258 return target_free_working_area_restore(target, area, 1);
1259 }
1260
1261 /* free resources and restore memory, if restoring memory fails,
1262 * free up resources anyway
1263 */
1264 static void target_free_all_working_areas_restore(struct target *target, int restore)
1265 {
1266 struct working_area *c = target->working_areas;
1267
1268 while (c)
1269 {
1270 struct working_area *next = c->next;
1271 target_free_working_area_restore(target, c, restore);
1272
1273 if (c->backup)
1274 free(c->backup);
1275
1276 free(c);
1277
1278 c = next;
1279 }
1280
1281 target->working_areas = NULL;
1282 }
1283
1284 void target_free_all_working_areas(struct target *target)
1285 {
1286 target_free_all_working_areas_restore(target, 1);
1287 }
1288
1289 int target_arch_state(struct target *target)
1290 {
1291 int retval;
1292 if (target == NULL)
1293 {
1294 LOG_USER("No target has been configured");
1295 return ERROR_OK;
1296 }
1297
1298 LOG_USER("target state: %s", target_state_name( target ));
1299
1300 if (target->state != TARGET_HALTED)
1301 return ERROR_OK;
1302
1303 retval = target->type->arch_state(target);
1304 return retval;
1305 }
1306
1307 /* Single aligned words are guaranteed to use 16 or 32 bit access
1308 * mode respectively, otherwise data is handled as quickly as
1309 * possible
1310 */
1311 int target_write_buffer(struct target *target, uint32_t address, uint32_t size, uint8_t *buffer)
1312 {
1313 int retval;
1314 LOG_DEBUG("writing buffer of %i byte at 0x%8.8x",
1315 (int)size, (unsigned)address);
1316
1317 if (!target_was_examined(target))
1318 {
1319 LOG_ERROR("Target not examined yet");
1320 return ERROR_FAIL;
1321 }
1322
1323 if (size == 0) {
1324 return ERROR_OK;
1325 }
1326
1327 if ((address + size - 1) < address)
1328 {
1329 /* GDB can request this when e.g. PC is 0xfffffffc*/
1330 LOG_ERROR("address + size wrapped(0x%08x, 0x%08x)",
1331 (unsigned)address,
1332 (unsigned)size);
1333 return ERROR_FAIL;
1334 }
1335
1336 if (((address % 2) == 0) && (size == 2))
1337 {
1338 return target_write_memory(target, address, 2, 1, buffer);
1339 }
1340
1341 /* handle unaligned head bytes */
1342 if (address % 4)
1343 {
1344 uint32_t unaligned = 4 - (address % 4);
1345
1346 if (unaligned > size)
1347 unaligned = size;
1348
1349 if ((retval = target_write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1350 return retval;
1351
1352 buffer += unaligned;
1353 address += unaligned;
1354 size -= unaligned;
1355 }
1356
1357 /* handle aligned words */
1358 if (size >= 4)
1359 {
1360 int aligned = size - (size % 4);
1361
1362 /* use bulk writes above a certain limit. This may have to be changed */
1363 if (aligned > 128)
1364 {
1365 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1366 return retval;
1367 }
1368 else
1369 {
1370 if ((retval = target_write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1371 return retval;
1372 }
1373
1374 buffer += aligned;
1375 address += aligned;
1376 size -= aligned;
1377 }
1378
1379 /* handle tail writes of less than 4 bytes */
1380 if (size > 0)
1381 {
1382 if ((retval = target_write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1383 return retval;
1384 }
1385
1386 return ERROR_OK;
1387 }
1388
1389 /* Single aligned words are guaranteed to use 16 or 32 bit access
1390 * mode respectively, otherwise data is handled as quickly as
1391 * possible
1392 */
1393 int target_read_buffer(struct target *target, uint32_t address, uint32_t size, uint8_t *buffer)
1394 {
1395 int retval;
1396 LOG_DEBUG("reading buffer of %i byte at 0x%8.8x",
1397 (int)size, (unsigned)address);
1398
1399 if (!target_was_examined(target))
1400 {
1401 LOG_ERROR("Target not examined yet");
1402 return ERROR_FAIL;
1403 }
1404
1405 if (size == 0) {
1406 return ERROR_OK;
1407 }
1408
1409 if ((address + size - 1) < address)
1410 {
1411 /* GDB can request this when e.g. PC is 0xfffffffc*/
1412 LOG_ERROR("address + size wrapped(0x%08" PRIx32 ", 0x%08" PRIx32 ")",
1413 address,
1414 size);
1415 return ERROR_FAIL;
1416 }
1417
1418 if (((address % 2) == 0) && (size == 2))
1419 {
1420 return target_read_memory(target, address, 2, 1, buffer);
1421 }
1422
1423 /* handle unaligned head bytes */
1424 if (address % 4)
1425 {
1426 uint32_t unaligned = 4 - (address % 4);
1427
1428 if (unaligned > size)
1429 unaligned = size;
1430
1431 if ((retval = target_read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1432 return retval;
1433
1434 buffer += unaligned;
1435 address += unaligned;
1436 size -= unaligned;
1437 }
1438
1439 /* handle aligned words */
1440 if (size >= 4)
1441 {
1442 int aligned = size - (size % 4);
1443
1444 if ((retval = target_read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1445 return retval;
1446
1447 buffer += aligned;
1448 address += aligned;
1449 size -= aligned;
1450 }
1451
1452 /*prevent byte access when possible (avoid AHB access limitations in some cases)*/
1453 if(size >=2)
1454 {
1455 int aligned = size - (size%2);
1456 retval = target_read_memory(target, address, 2, aligned / 2, buffer);
1457 if (retval != ERROR_OK)
1458 return retval;
1459
1460 buffer += aligned;
1461 address += aligned;
1462 size -= aligned;
1463 }
1464 /* handle tail writes of less than 4 bytes */
1465 if (size > 0)
1466 {
1467 if ((retval = target_read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1468 return retval;
1469 }
1470
1471 return ERROR_OK;
1472 }
1473
1474 int target_checksum_memory(struct target *target, uint32_t address, uint32_t size, uint32_t* crc)
1475 {
1476 uint8_t *buffer;
1477 int retval;
1478 uint32_t i;
1479 uint32_t checksum = 0;
1480 if (!target_was_examined(target))
1481 {
1482 LOG_ERROR("Target not examined yet");
1483 return ERROR_FAIL;
1484 }
1485
1486 if ((retval = target->type->checksum_memory(target, address,
1487 size, &checksum)) != ERROR_OK)
1488 {
1489 buffer = malloc(size);
1490 if (buffer == NULL)
1491 {
1492 LOG_ERROR("error allocating buffer for section (%d bytes)", (int)size);
1493 return ERROR_INVALID_ARGUMENTS;
1494 }
1495 retval = target_read_buffer(target, address, size, buffer);
1496 if (retval != ERROR_OK)
1497 {
1498 free(buffer);
1499 return retval;
1500 }
1501
1502 /* convert to target endianess */
1503 for (i = 0; i < (size/sizeof(uint32_t)); i++)
1504 {
1505 uint32_t target_data;
1506 target_data = target_buffer_get_u32(target, &buffer[i*sizeof(uint32_t)]);
1507 target_buffer_set_u32(target, &buffer[i*sizeof(uint32_t)], target_data);
1508 }
1509
1510 retval = image_calculate_checksum(buffer, size, &checksum);
1511 free(buffer);
1512 }
1513
1514 *crc = checksum;
1515
1516 return retval;
1517 }
1518
1519 int target_blank_check_memory(struct target *target, uint32_t address, uint32_t size, uint32_t* blank)
1520 {
1521 int retval;
1522 if (!target_was_examined(target))
1523 {
1524 LOG_ERROR("Target not examined yet");
1525 return ERROR_FAIL;
1526 }
1527
1528 if (target->type->blank_check_memory == 0)
1529 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1530
1531 retval = target->type->blank_check_memory(target, address, size, blank);
1532
1533 return retval;
1534 }
1535
1536 int target_read_u32(struct target *target, uint32_t address, uint32_t *value)
1537 {
1538 uint8_t value_buf[4];
1539 if (!target_was_examined(target))
1540 {
1541 LOG_ERROR("Target not examined yet");
1542 return ERROR_FAIL;
1543 }
1544
1545 int retval = target_read_memory(target, address, 4, 1, value_buf);
1546
1547 if (retval == ERROR_OK)
1548 {
1549 *value = target_buffer_get_u32(target, value_buf);
1550 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
1551 address,
1552 *value);
1553 }
1554 else
1555 {
1556 *value = 0x0;
1557 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1558 address);
1559 }
1560
1561 return retval;
1562 }
1563
1564 int target_read_u16(struct target *target, uint32_t address, uint16_t *value)
1565 {
1566 uint8_t value_buf[2];
1567 if (!target_was_examined(target))
1568 {
1569 LOG_ERROR("Target not examined yet");
1570 return ERROR_FAIL;
1571 }
1572
1573 int retval = target_read_memory(target, address, 2, 1, value_buf);
1574
1575 if (retval == ERROR_OK)
1576 {
1577 *value = target_buffer_get_u16(target, value_buf);
1578 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%4.4x",
1579 address,
1580 *value);
1581 }
1582 else
1583 {
1584 *value = 0x0;
1585 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1586 address);
1587 }
1588
1589 return retval;
1590 }
1591
1592 int target_read_u8(struct target *target, uint32_t address, uint8_t *value)
1593 {
1594 int retval = target_read_memory(target, address, 1, 1, value);
1595 if (!target_was_examined(target))
1596 {
1597 LOG_ERROR("Target not examined yet");
1598 return ERROR_FAIL;
1599 }
1600
1601 if (retval == ERROR_OK)
1602 {
1603 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
1604 address,
1605 *value);
1606 }
1607 else
1608 {
1609 *value = 0x0;
1610 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1611 address);
1612 }
1613
1614 return retval;
1615 }
1616
1617 int target_write_u32(struct target *target, uint32_t address, uint32_t value)
1618 {
1619 int retval;
1620 uint8_t value_buf[4];
1621 if (!target_was_examined(target))
1622 {
1623 LOG_ERROR("Target not examined yet");
1624 return ERROR_FAIL;
1625 }
1626
1627 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
1628 address,
1629 value);
1630
1631 target_buffer_set_u32(target, value_buf, value);
1632 if ((retval = target_write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1633 {
1634 LOG_DEBUG("failed: %i", retval);
1635 }
1636
1637 return retval;
1638 }
1639
1640 int target_write_u16(struct target *target, uint32_t address, uint16_t value)
1641 {
1642 int retval;
1643 uint8_t value_buf[2];
1644 if (!target_was_examined(target))
1645 {
1646 LOG_ERROR("Target not examined yet");
1647 return ERROR_FAIL;
1648 }
1649
1650 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8x",
1651 address,
1652 value);
1653
1654 target_buffer_set_u16(target, value_buf, value);
1655 if ((retval = target_write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1656 {
1657 LOG_DEBUG("failed: %i", retval);
1658 }
1659
1660 return retval;
1661 }
1662
1663 int target_write_u8(struct target *target, uint32_t address, uint8_t value)
1664 {
1665 int retval;
1666 if (!target_was_examined(target))
1667 {
1668 LOG_ERROR("Target not examined yet");
1669 return ERROR_FAIL;
1670 }
1671
1672 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
1673 address, value);
1674
1675 if ((retval = target_write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1676 {
1677 LOG_DEBUG("failed: %i", retval);
1678 }
1679
1680 return retval;
1681 }
1682
1683 COMMAND_HANDLER(handle_targets_command)
1684 {
1685 struct target *target = all_targets;
1686
1687 if (CMD_ARGC == 1)
1688 {
1689 target = get_target(CMD_ARGV[0]);
1690 if (target == NULL) {
1691 command_print(CMD_CTX,"Target: %s is unknown, try one of:\n", CMD_ARGV[0]);
1692 goto DumpTargets;
1693 }
1694 if (!target->tap->enabled) {
1695 command_print(CMD_CTX,"Target: TAP %s is disabled, "
1696 "can't be the current target\n",
1697 target->tap->dotted_name);
1698 return ERROR_FAIL;
1699 }
1700
1701 CMD_CTX->current_target = target->target_number;
1702 return ERROR_OK;
1703 }
1704 DumpTargets:
1705
1706 target = all_targets;
1707 command_print(CMD_CTX, " TargetName Type Endian TapName State ");
1708 command_print(CMD_CTX, "-- ------------------ ---------- ------ ------------------ ------------");
1709 while (target)
1710 {
1711 const char *state;
1712 char marker = ' ';
1713
1714 if (target->tap->enabled)
1715 state = target_state_name( target );
1716 else
1717 state = "tap-disabled";
1718
1719 if (CMD_CTX->current_target == target->target_number)
1720 marker = '*';
1721
1722 /* keep columns lined up to match the headers above */
1723 command_print(CMD_CTX, "%2d%c %-18s %-10s %-6s %-18s %s",
1724 target->target_number,
1725 marker,
1726 target_name(target),
1727 target_type_name(target),
1728 Jim_Nvp_value2name_simple(nvp_target_endian,
1729 target->endianness)->name,
1730 target->tap->dotted_name,
1731 state);
1732 target = target->next;
1733 }
1734
1735 return ERROR_OK;
1736 }
1737
1738 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1739
1740 static int powerDropout;
1741 static int srstAsserted;
1742
1743 static int runPowerRestore;
1744 static int runPowerDropout;
1745 static int runSrstAsserted;
1746 static int runSrstDeasserted;
1747
1748 static int sense_handler(void)
1749 {
1750 static int prevSrstAsserted = 0;
1751 static int prevPowerdropout = 0;
1752
1753 int retval;
1754 if ((retval = jtag_power_dropout(&powerDropout)) != ERROR_OK)
1755 return retval;
1756
1757 int powerRestored;
1758 powerRestored = prevPowerdropout && !powerDropout;
1759 if (powerRestored)
1760 {
1761 runPowerRestore = 1;
1762 }
1763
1764 long long current = timeval_ms();
1765 static long long lastPower = 0;
1766 int waitMore = lastPower + 2000 > current;
1767 if (powerDropout && !waitMore)
1768 {
1769 runPowerDropout = 1;
1770 lastPower = current;
1771 }
1772
1773 if ((retval = jtag_srst_asserted(&srstAsserted)) != ERROR_OK)
1774 return retval;
1775
1776 int srstDeasserted;
1777 srstDeasserted = prevSrstAsserted && !srstAsserted;
1778
1779 static long long lastSrst = 0;
1780 waitMore = lastSrst + 2000 > current;
1781 if (srstDeasserted && !waitMore)
1782 {
1783 runSrstDeasserted = 1;
1784 lastSrst = current;
1785 }
1786
1787 if (!prevSrstAsserted && srstAsserted)
1788 {
1789 runSrstAsserted = 1;
1790 }
1791
1792 prevSrstAsserted = srstAsserted;
1793 prevPowerdropout = powerDropout;
1794
1795 if (srstDeasserted || powerRestored)
1796 {
1797 /* Other than logging the event we can't do anything here.
1798 * Issuing a reset is a particularly bad idea as we might
1799 * be inside a reset already.
1800 */
1801 }
1802
1803 return ERROR_OK;
1804 }
1805
1806 static int backoff_times = 0;
1807 static int backoff_count = 0;
1808
1809 /* process target state changes */
1810 static int handle_target(void *priv)
1811 {
1812 Jim_Interp *interp = (Jim_Interp *)priv;
1813 int retval = ERROR_OK;
1814
1815 if (!is_jtag_poll_safe())
1816 {
1817 /* polling is disabled currently */
1818 return ERROR_OK;
1819 }
1820
1821 /* we do not want to recurse here... */
1822 static int recursive = 0;
1823 if (! recursive)
1824 {
1825 recursive = 1;
1826 sense_handler();
1827 /* danger! running these procedures can trigger srst assertions and power dropouts.
1828 * We need to avoid an infinite loop/recursion here and we do that by
1829 * clearing the flags after running these events.
1830 */
1831 int did_something = 0;
1832 if (runSrstAsserted)
1833 {
1834 LOG_INFO("srst asserted detected, running srst_asserted proc.");
1835 Jim_Eval(interp, "srst_asserted");
1836 did_something = 1;
1837 }
1838 if (runSrstDeasserted)
1839 {
1840 Jim_Eval(interp, "srst_deasserted");
1841 did_something = 1;
1842 }
1843 if (runPowerDropout)
1844 {
1845 LOG_INFO("Power dropout detected, running power_dropout proc.");
1846 Jim_Eval(interp, "power_dropout");
1847 did_something = 1;
1848 }
1849 if (runPowerRestore)
1850 {
1851 Jim_Eval(interp, "power_restore");
1852 did_something = 1;
1853 }
1854
1855 if (did_something)
1856 {
1857 /* clear detect flags */
1858 sense_handler();
1859 }
1860
1861 /* clear action flags */
1862
1863 runSrstAsserted = 0;
1864 runSrstDeasserted = 0;
1865 runPowerRestore = 0;
1866 runPowerDropout = 0;
1867
1868 recursive = 0;
1869 }
1870
1871 if (backoff_times > backoff_count)
1872 {
1873 /* do not poll this time as we failed previously */
1874 backoff_count++;
1875 return ERROR_OK;
1876 }
1877 backoff_count = 0;
1878
1879 /* Poll targets for state changes unless that's globally disabled.
1880 * Skip targets that are currently disabled.
1881 */
1882 for (struct target *target = all_targets;
1883 is_jtag_poll_safe() && target;
1884 target = target->next)
1885 {
1886 if (!target->tap->enabled)
1887 continue;
1888
1889 /* only poll target if we've got power and srst isn't asserted */
1890 if (!powerDropout && !srstAsserted)
1891 {
1892 /* polling may fail silently until the target has been examined */
1893 if ((retval = target_poll(target)) != ERROR_OK)
1894 {
1895 /* 100ms polling interval. Increase interval between polling up to 5000ms */
1896 if (backoff_times * polling_interval < 5000)
1897 {
1898 backoff_times *= 2;
1899 backoff_times++;
1900 }
1901 LOG_USER("Polling target failed, GDB will be halted. Polling again in %dms", backoff_times * polling_interval);
1902
1903 /* Tell GDB to halt the debugger. This allows the user to
1904 * run monitor commands to handle the situation.
1905 */
1906 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
1907 return retval;
1908 }
1909 /* Since we succeeded, we reset backoff count */
1910 if (backoff_times > 0)
1911 {
1912 LOG_USER("Polling succeeded again");
1913 }
1914 backoff_times = 0;
1915 }
1916 }
1917
1918 return retval;
1919 }
1920
1921 COMMAND_HANDLER(handle_reg_command)
1922 {
1923 struct target *target;
1924 struct reg *reg = NULL;
1925 unsigned count = 0;
1926 char *value;
1927
1928 LOG_DEBUG("-");
1929
1930 target = get_current_target(CMD_CTX);
1931
1932 /* list all available registers for the current target */
1933 if (CMD_ARGC == 0)
1934 {
1935 struct reg_cache *cache = target->reg_cache;
1936
1937 count = 0;
1938 while (cache)
1939 {
1940 unsigned i;
1941
1942 command_print(CMD_CTX, "===== %s", cache->name);
1943
1944 for (i = 0, reg = cache->reg_list;
1945 i < cache->num_regs;
1946 i++, reg++, count++)
1947 {
1948 /* only print cached values if they are valid */
1949 if (reg->valid) {
1950 value = buf_to_str(reg->value,
1951 reg->size, 16);
1952 command_print(CMD_CTX,
1953 "(%i) %s (/%" PRIu32 "): 0x%s%s",
1954 count, reg->name,
1955 reg->size, value,
1956 reg->dirty
1957 ? " (dirty)"
1958 : "");
1959 free(value);
1960 } else {
1961 command_print(CMD_CTX, "(%i) %s (/%" PRIu32 ")",
1962 count, reg->name,
1963 reg->size) ;
1964 }
1965 }
1966 cache = cache->next;
1967 }
1968
1969 return ERROR_OK;
1970 }
1971
1972 /* access a single register by its ordinal number */
1973 if ((CMD_ARGV[0][0] >= '0') && (CMD_ARGV[0][0] <= '9'))
1974 {
1975 unsigned num;
1976 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], num);
1977
1978 struct reg_cache *cache = target->reg_cache;
1979 count = 0;
1980 while (cache)
1981 {
1982 unsigned i;
1983 for (i = 0; i < cache->num_regs; i++)
1984 {
1985 if (count++ == num)
1986 {
1987 reg = &cache->reg_list[i];
1988 break;
1989 }
1990 }
1991 if (reg)
1992 break;
1993 cache = cache->next;
1994 }
1995
1996 if (!reg)
1997 {
1998 command_print(CMD_CTX, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1999 return ERROR_OK;
2000 }
2001 } else /* access a single register by its name */
2002 {
2003 reg = register_get_by_name(target->reg_cache, CMD_ARGV[0], 1);
2004
2005 if (!reg)
2006 {
2007 command_print(CMD_CTX, "register %s not found in current target", CMD_ARGV[0]);
2008 return ERROR_OK;
2009 }
2010 }
2011
2012 /* display a register */
2013 if ((CMD_ARGC == 1) || ((CMD_ARGC == 2) && !((CMD_ARGV[1][0] >= '0') && (CMD_ARGV[1][0] <= '9'))))
2014 {
2015 if ((CMD_ARGC == 2) && (strcmp(CMD_ARGV[1], "force") == 0))
2016 reg->valid = 0;
2017
2018 if (reg->valid == 0)
2019 {
2020 reg->type->get(reg);
2021 }
2022 value = buf_to_str(reg->value, reg->size, 16);
2023 command_print(CMD_CTX, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
2024 free(value);
2025 return ERROR_OK;
2026 }
2027
2028 /* set register value */
2029 if (CMD_ARGC == 2)
2030 {
2031 uint8_t *buf = malloc(DIV_ROUND_UP(reg->size, 8));
2032 str_to_buf(CMD_ARGV[1], strlen(CMD_ARGV[1]), buf, reg->size, 0);
2033
2034 reg->type->set(reg, buf);
2035
2036 value = buf_to_str(reg->value, reg->size, 16);
2037 command_print(CMD_CTX, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
2038 free(value);
2039
2040 free(buf);
2041
2042 return ERROR_OK;
2043 }
2044
2045 command_print(CMD_CTX, "usage: reg <#|name> [value]");
2046
2047 return ERROR_OK;
2048 }
2049
2050 COMMAND_HANDLER(handle_poll_command)
2051 {
2052 int retval = ERROR_OK;
2053 struct target *target = get_current_target(CMD_CTX);
2054
2055 if (CMD_ARGC == 0)
2056 {
2057 command_print(CMD_CTX, "background polling: %s",
2058 jtag_poll_get_enabled() ? "on" : "off");
2059 command_print(CMD_CTX, "TAP: %s (%s)",
2060 target->tap->dotted_name,
2061 target->tap->enabled ? "enabled" : "disabled");
2062 if (!target->tap->enabled)
2063 return ERROR_OK;
2064 if ((retval = target_poll(target)) != ERROR_OK)
2065 return retval;
2066 if ((retval = target_arch_state(target)) != ERROR_OK)
2067 return retval;
2068 }
2069 else if (CMD_ARGC == 1)
2070 {
2071 bool enable;
2072 COMMAND_PARSE_ON_OFF(CMD_ARGV[0], enable);
2073 jtag_poll_set_enabled(enable);
2074 }
2075 else
2076 {
2077 return ERROR_COMMAND_SYNTAX_ERROR;
2078 }
2079
2080 return retval;
2081 }
2082
2083 COMMAND_HANDLER(handle_wait_halt_command)
2084 {
2085 if (CMD_ARGC > 1)
2086 return ERROR_COMMAND_SYNTAX_ERROR;
2087
2088 unsigned ms = 5000;
2089 if (1 == CMD_ARGC)
2090 {
2091 int retval = parse_uint(CMD_ARGV[0], &ms);
2092 if (ERROR_OK != retval)
2093 {
2094 command_print(CMD_CTX, "usage: %s [seconds]", CMD_NAME);
2095 return ERROR_COMMAND_SYNTAX_ERROR;
2096 }
2097 // convert seconds (given) to milliseconds (needed)
2098 ms *= 1000;
2099 }
2100
2101 struct target *target = get_current_target(CMD_CTX);
2102 return target_wait_state(target, TARGET_HALTED, ms);
2103 }
2104
2105 /* wait for target state to change. The trick here is to have a low
2106 * latency for short waits and not to suck up all the CPU time
2107 * on longer waits.
2108 *
2109 * After 500ms, keep_alive() is invoked
2110 */
2111 int target_wait_state(struct target *target, enum target_state state, int ms)
2112 {
2113 int retval;
2114 long long then = 0, cur;
2115 int once = 1;
2116
2117 for (;;)
2118 {
2119 if ((retval = target_poll(target)) != ERROR_OK)
2120 return retval;
2121 if (target->state == state)
2122 {
2123 break;
2124 }
2125 cur = timeval_ms();
2126 if (once)
2127 {
2128 once = 0;
2129 then = timeval_ms();
2130 LOG_DEBUG("waiting for target %s...",
2131 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
2132 }
2133
2134 if (cur-then > 500)
2135 {
2136 keep_alive();
2137 }
2138
2139 if ((cur-then) > ms)
2140 {
2141 LOG_ERROR("timed out while waiting for target %s",
2142 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
2143 return ERROR_FAIL;
2144 }
2145 }
2146
2147 return ERROR_OK;
2148 }
2149
2150 COMMAND_HANDLER(handle_halt_command)
2151 {
2152 LOG_DEBUG("-");
2153
2154 struct target *target = get_current_target(CMD_CTX);
2155 int retval = target_halt(target);
2156 if (ERROR_OK != retval)
2157 return retval;
2158
2159 if (CMD_ARGC == 1)
2160 {
2161 unsigned wait_local;
2162 retval = parse_uint(CMD_ARGV[0], &wait_local);
2163 if (ERROR_OK != retval)
2164 return ERROR_COMMAND_SYNTAX_ERROR;
2165 if (!wait_local)
2166 return ERROR_OK;
2167 }
2168
2169 return CALL_COMMAND_HANDLER(handle_wait_halt_command);
2170 }
2171
2172 COMMAND_HANDLER(handle_soft_reset_halt_command)
2173 {
2174 struct target *target = get_current_target(CMD_CTX);
2175
2176 LOG_USER("requesting target halt and executing a soft reset");
2177
2178 target->type->soft_reset_halt(target);
2179
2180 return ERROR_OK;
2181 }
2182
2183 COMMAND_HANDLER(handle_reset_command)
2184 {
2185 if (CMD_ARGC > 1)
2186 return ERROR_COMMAND_SYNTAX_ERROR;
2187
2188 enum target_reset_mode reset_mode = RESET_RUN;
2189 if (CMD_ARGC == 1)
2190 {
2191 const Jim_Nvp *n;
2192 n = Jim_Nvp_name2value_simple(nvp_reset_modes, CMD_ARGV[0]);
2193 if ((n->name == NULL) || (n->value == RESET_UNKNOWN)) {
2194 return ERROR_COMMAND_SYNTAX_ERROR;
2195 }
2196 reset_mode = n->value;
2197 }
2198
2199 /* reset *all* targets */
2200 return target_process_reset(CMD_CTX, reset_mode);
2201 }
2202
2203
2204 COMMAND_HANDLER(handle_resume_command)
2205 {
2206 int current = 1;
2207 if (CMD_ARGC > 1)
2208 return ERROR_COMMAND_SYNTAX_ERROR;
2209
2210 struct target *target = get_current_target(CMD_CTX);
2211 target_handle_event(target, TARGET_EVENT_OLD_pre_resume);
2212
2213 /* with no CMD_ARGV, resume from current pc, addr = 0,
2214 * with one arguments, addr = CMD_ARGV[0],
2215 * handle breakpoints, not debugging */
2216 uint32_t addr = 0;
2217 if (CMD_ARGC == 1)
2218 {
2219 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
2220 current = 0;
2221 }
2222
2223 return target_resume(target, current, addr, 1, 0);
2224 }
2225
2226 COMMAND_HANDLER(handle_step_command)
2227 {
2228 if (CMD_ARGC > 1)
2229 return ERROR_COMMAND_SYNTAX_ERROR;
2230
2231 LOG_DEBUG("-");
2232
2233 /* with no CMD_ARGV, step from current pc, addr = 0,
2234 * with one argument addr = CMD_ARGV[0],
2235 * handle breakpoints, debugging */
2236 uint32_t addr = 0;
2237 int current_pc = 1;
2238 if (CMD_ARGC == 1)
2239 {
2240 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
2241 current_pc = 0;
2242 }
2243
2244 struct target *target = get_current_target(CMD_CTX);
2245
2246 return target->type->step(target, current_pc, addr, 1);
2247 }
2248
2249 static void handle_md_output(struct command_context *cmd_ctx,
2250 struct target *target, uint32_t address, unsigned size,
2251 unsigned count, const uint8_t *buffer)
2252 {
2253 const unsigned line_bytecnt = 32;
2254 unsigned line_modulo = line_bytecnt / size;
2255
2256 char output[line_bytecnt * 4 + 1];
2257 unsigned output_len = 0;
2258
2259 const char *value_fmt;
2260 switch (size) {
2261 case 4: value_fmt = "%8.8x "; break;
2262 case 2: value_fmt = "%4.4x "; break;
2263 case 1: value_fmt = "%2.2x "; break;
2264 default:
2265 /* "can't happen", caller checked */
2266 LOG_ERROR("invalid memory read size: %u", size);
2267 return;
2268 }
2269
2270 for (unsigned i = 0; i < count; i++)
2271 {
2272 if (i % line_modulo == 0)
2273 {
2274 output_len += snprintf(output + output_len,
2275 sizeof(output) - output_len,
2276 "0x%8.8x: ",
2277 (unsigned)(address + (i*size)));
2278 }
2279
2280 uint32_t value = 0;
2281 const uint8_t *value_ptr = buffer + i * size;
2282 switch (size) {
2283 case 4: value = target_buffer_get_u32(target, value_ptr); break;
2284 case 2: value = target_buffer_get_u16(target, value_ptr); break;
2285 case 1: value = *value_ptr;
2286 }
2287 output_len += snprintf(output + output_len,
2288 sizeof(output) - output_len,
2289 value_fmt, value);
2290
2291 if ((i % line_modulo == line_modulo - 1) || (i == count - 1))
2292 {
2293 command_print(cmd_ctx, "%s", output);
2294 output_len = 0;
2295 }
2296 }
2297 }
2298
2299 COMMAND_HANDLER(handle_md_command)
2300 {
2301 if (CMD_ARGC < 1)
2302 return ERROR_COMMAND_SYNTAX_ERROR;
2303
2304 unsigned size = 0;
2305 switch (CMD_NAME[2]) {
2306 case 'w': size = 4; break;
2307 case 'h': size = 2; break;
2308 case 'b': size = 1; break;
2309 default: return ERROR_COMMAND_SYNTAX_ERROR;
2310 }
2311
2312 bool physical=strcmp(CMD_ARGV[0], "phys")==0;
2313 int (*fn)(struct target *target,
2314 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
2315 if (physical)
2316 {
2317 CMD_ARGC--;
2318 CMD_ARGV++;
2319 fn=target_read_phys_memory;
2320 } else
2321 {
2322 fn=target_read_memory;
2323 }
2324 if ((CMD_ARGC < 1) || (CMD_ARGC > 2))
2325 {
2326 return ERROR_COMMAND_SYNTAX_ERROR;
2327 }
2328
2329 uint32_t address;
2330 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
2331
2332 unsigned count = 1;
2333 if (CMD_ARGC == 2)
2334 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[1], count);
2335
2336 uint8_t *buffer = calloc(count, size);
2337
2338 struct target *target = get_current_target(CMD_CTX);
2339 int retval = fn(target, address, size, count, buffer);
2340 if (ERROR_OK == retval)
2341 handle_md_output(CMD_CTX, target, address, size, count, buffer);
2342
2343 free(buffer);
2344
2345 return retval;
2346 }
2347
2348 typedef int (*target_write_fn)(struct target *target,
2349 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
2350
2351 static int target_write_memory_fast(struct target *target,
2352 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
2353 {
2354 return target_write_buffer(target, address, size * count, buffer);
2355 }
2356
2357 static int target_fill_mem(struct target *target,
2358 uint32_t address,
2359 target_write_fn fn,
2360 unsigned data_size,
2361 /* value */
2362 uint32_t b,
2363 /* count */
2364 unsigned c)
2365 {
2366 /* We have to write in reasonably large chunks to be able
2367 * to fill large memory areas with any sane speed */
2368 const unsigned chunk_size = 16384;
2369 uint8_t *target_buf = malloc(chunk_size * data_size);
2370 if (target_buf == NULL)
2371 {
2372 LOG_ERROR("Out of memory");
2373 return ERROR_FAIL;
2374 }
2375
2376 for (unsigned i = 0; i < chunk_size; i ++)
2377 {
2378 switch (data_size)
2379 {
2380 case 4:
2381 target_buffer_set_u32(target, target_buf + i*data_size, b);
2382 break;
2383 case 2:
2384 target_buffer_set_u16(target, target_buf + i*data_size, b);
2385 break;
2386 case 1:
2387 target_buffer_set_u8(target, target_buf + i*data_size, b);
2388 break;
2389 default:
2390 exit(-1);
2391 }
2392 }
2393
2394 int retval = ERROR_OK;
2395
2396 for (unsigned x = 0; x < c; x += chunk_size)
2397 {
2398 unsigned current;
2399 current = c - x;
2400 if (current > chunk_size)
2401 {
2402 current = chunk_size;
2403 }
2404 retval = fn(target, address + x * data_size, data_size, current, target_buf);
2405 if (retval != ERROR_OK)
2406 {
2407 break;
2408 }
2409 /* avoid GDB timeouts */
2410 keep_alive();
2411 }
2412 free(target_buf);
2413
2414 return retval;
2415 }
2416
2417
2418 COMMAND_HANDLER(handle_mw_command)
2419 {
2420 if (CMD_ARGC < 2)
2421 {
2422 return ERROR_COMMAND_SYNTAX_ERROR;
2423 }
2424 bool physical=strcmp(CMD_ARGV[0], "phys")==0;
2425 target_write_fn fn;
2426 if (physical)
2427 {
2428 CMD_ARGC--;
2429 CMD_ARGV++;
2430 fn=target_write_phys_memory;
2431 } else
2432 {
2433 fn = target_write_memory_fast;
2434 }
2435 if ((CMD_ARGC < 2) || (CMD_ARGC > 3))
2436 return ERROR_COMMAND_SYNTAX_ERROR;
2437
2438 uint32_t address;
2439 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
2440
2441 uint32_t value;
2442 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], value);
2443
2444 unsigned count = 1;
2445 if (CMD_ARGC == 3)
2446 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[2], count);
2447
2448 struct target *target = get_current_target(CMD_CTX);
2449 unsigned wordsize;
2450 switch (CMD_NAME[2])
2451 {
2452 case 'w':
2453 wordsize = 4;
2454 break;
2455 case 'h':
2456 wordsize = 2;
2457 break;
2458 case 'b':
2459 wordsize = 1;
2460 break;
2461 default:
2462 return ERROR_COMMAND_SYNTAX_ERROR;
2463 }
2464
2465 return target_fill_mem(target, address, fn, wordsize, value, count);
2466 }
2467
2468 static COMMAND_HELPER(parse_load_image_command_CMD_ARGV, struct image *image,
2469 uint32_t *min_address, uint32_t *max_address)
2470 {
2471 if (CMD_ARGC < 1 || CMD_ARGC > 5)
2472 return ERROR_COMMAND_SYNTAX_ERROR;
2473
2474 /* a base address isn't always necessary,
2475 * default to 0x0 (i.e. don't relocate) */
2476 if (CMD_ARGC >= 2)
2477 {
2478 uint32_t addr;
2479 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], addr);
2480 image->base_address = addr;
2481 image->base_address_set = 1;
2482 }
2483 else
2484 image->base_address_set = 0;
2485
2486 image->start_address_set = 0;
2487
2488 if (CMD_ARGC >= 4)
2489 {
2490 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[3], *min_address);
2491 }
2492 if (CMD_ARGC == 5)
2493 {
2494 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[4], *max_address);
2495 // use size (given) to find max (required)
2496 *max_address += *min_address;
2497 }
2498
2499 if (*min_address > *max_address)
2500 return ERROR_COMMAND_SYNTAX_ERROR;
2501
2502 return ERROR_OK;
2503 }
2504
2505 COMMAND_HANDLER(handle_load_image_command)
2506 {
2507 uint8_t *buffer;
2508 size_t buf_cnt;
2509 uint32_t image_size;
2510 uint32_t min_address = 0;
2511 uint32_t max_address = 0xffffffff;
2512 int i;
2513 struct image image;
2514
2515 int retval = CALL_COMMAND_HANDLER(parse_load_image_command_CMD_ARGV,
2516 &image, &min_address, &max_address);
2517 if (ERROR_OK != retval)
2518 return retval;
2519
2520 struct target *target = get_current_target(CMD_CTX);
2521
2522 struct duration bench;
2523 duration_start(&bench);
2524
2525 if (image_open(&image, CMD_ARGV[0], (CMD_ARGC >= 3) ? CMD_ARGV[2] : NULL) != ERROR_OK)
2526 {
2527 return ERROR_OK;
2528 }
2529
2530 image_size = 0x0;
2531 retval = ERROR_OK;
2532 for (i = 0; i < image.num_sections; i++)
2533 {
2534 buffer = malloc(image.sections[i].size);
2535 if (buffer == NULL)
2536 {
2537 command_print(CMD_CTX,
2538 "error allocating buffer for section (%d bytes)",
2539 (int)(image.sections[i].size));
2540 break;
2541 }
2542
2543 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2544 {
2545 free(buffer);
2546 break;
2547 }
2548
2549 uint32_t offset = 0;
2550 uint32_t length = buf_cnt;
2551
2552 /* DANGER!!! beware of unsigned comparision here!!! */
2553
2554 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
2555 (image.sections[i].base_address < max_address))
2556 {
2557 if (image.sections[i].base_address < min_address)
2558 {
2559 /* clip addresses below */
2560 offset += min_address-image.sections[i].base_address;
2561 length -= offset;
2562 }
2563
2564 if (image.sections[i].base_address + buf_cnt > max_address)
2565 {
2566 length -= (image.sections[i].base_address + buf_cnt)-max_address;
2567 }
2568
2569 if ((retval = target_write_buffer(target, image.sections[i].base_address + offset, length, buffer + offset)) != ERROR_OK)
2570 {
2571 free(buffer);
2572 break;
2573 }
2574 image_size += length;
2575 command_print(CMD_CTX, "%u bytes written at address 0x%8.8" PRIx32 "",
2576 (unsigned int)length,
2577 image.sections[i].base_address + offset);
2578 }
2579
2580 free(buffer);
2581 }
2582
2583 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
2584 {
2585 command_print(CMD_CTX, "downloaded %" PRIu32 " bytes "
2586 "in %fs (%0.3f KiB/s)", image_size,
2587 duration_elapsed(&bench), duration_kbps(&bench, image_size));
2588 }
2589
2590 image_close(&image);
2591
2592 return retval;
2593
2594 }
2595
2596 COMMAND_HANDLER(handle_dump_image_command)
2597 {
2598 struct fileio fileio;
2599 uint8_t buffer[560];
2600 int retval, retvaltemp;
2601 uint32_t address, size;
2602 struct duration bench;
2603 struct target *target = get_current_target(CMD_CTX);
2604
2605 if (CMD_ARGC != 3)
2606 return ERROR_COMMAND_SYNTAX_ERROR;
2607
2608 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], address);
2609 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], size);
2610
2611 retval = fileio_open(&fileio, CMD_ARGV[0], FILEIO_WRITE, FILEIO_BINARY);
2612 if (retval != ERROR_OK)
2613 return retval;
2614
2615 duration_start(&bench);
2616
2617 retval = ERROR_OK;
2618 while (size > 0)
2619 {
2620 size_t size_written;
2621 uint32_t this_run_size = (size > 560) ? 560 : size;
2622 retval = target_read_buffer(target, address, this_run_size, buffer);
2623 if (retval != ERROR_OK)
2624 {
2625 break;
2626 }
2627
2628 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2629 if (retval != ERROR_OK)
2630 {
2631 break;
2632 }
2633
2634 size -= this_run_size;
2635 address += this_run_size;
2636 }
2637
2638 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
2639 {
2640 int filesize;
2641 retval = fileio_size(&fileio, &filesize);
2642 if (retval != ERROR_OK)
2643 return retval;
2644 command_print(CMD_CTX,
2645 "dumped %ld bytes in %fs (%0.3f KiB/s)", (long)filesize,
2646 duration_elapsed(&bench), duration_kbps(&bench, filesize));
2647 }
2648
2649 if ((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2650 return retvaltemp;
2651
2652 return retval;
2653 }
2654
2655 static COMMAND_HELPER(handle_verify_image_command_internal, int verify)
2656 {
2657 uint8_t *buffer;
2658 size_t buf_cnt;
2659 uint32_t image_size;
2660 int i;
2661 int retval;
2662 uint32_t checksum = 0;
2663 uint32_t mem_checksum = 0;
2664
2665 struct image image;
2666
2667 struct target *target = get_current_target(CMD_CTX);
2668
2669 if (CMD_ARGC < 1)
2670 {
2671 return ERROR_COMMAND_SYNTAX_ERROR;
2672 }
2673
2674 if (!target)
2675 {
2676 LOG_ERROR("no target selected");
2677 return ERROR_FAIL;
2678 }
2679
2680 struct duration bench;
2681 duration_start(&bench);
2682
2683 if (CMD_ARGC >= 2)
2684 {
2685 uint32_t addr;
2686 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], addr);
2687 image.base_address = addr;
2688 image.base_address_set = 1;
2689 }
2690 else
2691 {
2692 image.base_address_set = 0;
2693 image.base_address = 0x0;
2694 }
2695
2696 image.start_address_set = 0;
2697
2698 if ((retval = image_open(&image, CMD_ARGV[0], (CMD_ARGC == 3) ? CMD_ARGV[2] : NULL)) != ERROR_OK)
2699 {
2700 return retval;
2701 }
2702
2703 image_size = 0x0;
2704 int diffs = 0;
2705 retval = ERROR_OK;
2706 for (i = 0; i < image.num_sections; i++)
2707 {
2708 buffer = malloc(image.sections[i].size);
2709 if (buffer == NULL)
2710 {
2711 command_print(CMD_CTX,
2712 "error allocating buffer for section (%d bytes)",
2713 (int)(image.sections[i].size));
2714 break;
2715 }
2716 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2717 {
2718 free(buffer);
2719 break;
2720 }
2721
2722 if (verify)
2723 {
2724 /* calculate checksum of image */
2725 retval = image_calculate_checksum(buffer, buf_cnt, &checksum);
2726 if (retval != ERROR_OK)
2727 {
2728 free(buffer);
2729 break;
2730 }
2731
2732 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2733 if (retval != ERROR_OK)
2734 {
2735 free(buffer);
2736 break;
2737 }
2738
2739 if (checksum != mem_checksum)
2740 {
2741 /* failed crc checksum, fall back to a binary compare */
2742 uint8_t *data;
2743
2744 if (diffs == 0)
2745 {
2746 LOG_ERROR("checksum mismatch - attempting binary compare");
2747 }
2748
2749 data = (uint8_t*)malloc(buf_cnt);
2750
2751 /* Can we use 32bit word accesses? */
2752 int size = 1;
2753 int count = buf_cnt;
2754 if ((count % 4) == 0)
2755 {
2756 size *= 4;
2757 count /= 4;
2758 }
2759 retval = target_read_memory(target, image.sections[i].base_address, size, count, data);
2760 if (retval == ERROR_OK)
2761 {
2762 uint32_t t;
2763 for (t = 0; t < buf_cnt; t++)
2764 {
2765 if (data[t] != buffer[t])
2766 {
2767 command_print(CMD_CTX,
2768 "diff %d address 0x%08x. Was 0x%02x instead of 0x%02x",
2769 diffs,
2770 (unsigned)(t + image.sections[i].base_address),
2771 data[t],
2772 buffer[t]);
2773 if (diffs++ >= 127)
2774 {
2775 command_print(CMD_CTX, "More than 128 errors, the rest are not printed.");
2776 free(data);
2777 free(buffer);
2778 goto done;
2779 }
2780 }
2781 keep_alive();
2782 }
2783 }
2784 free(data);
2785 }
2786 } else
2787 {
2788 command_print(CMD_CTX, "address 0x%08" PRIx32 " length 0x%08zx",
2789 image.sections[i].base_address,
2790 buf_cnt);
2791 }
2792
2793 free(buffer);
2794 image_size += buf_cnt;
2795 }
2796 if (diffs > 0)
2797 {
2798 command_print(CMD_CTX, "No more differences found.");
2799 }
2800 done:
2801 if (diffs > 0)
2802 {
2803 retval = ERROR_FAIL;
2804 }
2805 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
2806 {
2807 command_print(CMD_CTX, "verified %" PRIu32 " bytes "
2808 "in %fs (%0.3f KiB/s)", image_size,
2809 duration_elapsed(&bench), duration_kbps(&bench, image_size));
2810 }
2811
2812 image_close(&image);
2813
2814 return retval;
2815 }
2816
2817 COMMAND_HANDLER(handle_verify_image_command)
2818 {
2819 return CALL_COMMAND_HANDLER(handle_verify_image_command_internal, 1);
2820 }
2821
2822 COMMAND_HANDLER(handle_test_image_command)
2823 {
2824 return CALL_COMMAND_HANDLER(handle_verify_image_command_internal, 0);
2825 }
2826
2827 static int handle_bp_command_list(struct command_context *cmd_ctx)
2828 {
2829 struct target *target = get_current_target(cmd_ctx);
2830 struct breakpoint *breakpoint = target->breakpoints;
2831 while (breakpoint)
2832 {
2833 if (breakpoint->type == BKPT_SOFT)
2834 {
2835 char* buf = buf_to_str(breakpoint->orig_instr,
2836 breakpoint->length, 16);
2837 command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i, 0x%s",
2838 breakpoint->address,
2839 breakpoint->length,
2840 breakpoint->set, buf);
2841 free(buf);
2842 }
2843 else
2844 {
2845 command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i",
2846 breakpoint->address,
2847 breakpoint->length, breakpoint->set);
2848 }
2849
2850 breakpoint = breakpoint->next;
2851 }
2852 return ERROR_OK;
2853 }
2854
2855 static int handle_bp_command_set(struct command_context *cmd_ctx,
2856 uint32_t addr, uint32_t length, int hw)
2857 {
2858 struct target *target = get_current_target(cmd_ctx);
2859 int retval = breakpoint_add(target, addr, length, hw);
2860 if (ERROR_OK == retval)
2861 command_print(cmd_ctx, "breakpoint set at 0x%8.8" PRIx32 "", addr);
2862 else
2863 LOG_ERROR("Failure setting breakpoint");
2864 return retval;
2865 }
2866
2867 COMMAND_HANDLER(handle_bp_command)
2868 {
2869 if (CMD_ARGC == 0)
2870 return handle_bp_command_list(CMD_CTX);
2871
2872 if (CMD_ARGC < 2 || CMD_ARGC > 3)
2873 {
2874 command_print(CMD_CTX, "usage: bp <address> <length> ['hw']");
2875 return ERROR_COMMAND_SYNTAX_ERROR;
2876 }
2877
2878 uint32_t addr;
2879 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
2880 uint32_t length;
2881 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
2882
2883 int hw = BKPT_SOFT;
2884 if (CMD_ARGC == 3)
2885 {
2886 if (strcmp(CMD_ARGV[2], "hw") == 0)
2887 hw = BKPT_HARD;
2888 else
2889 return ERROR_COMMAND_SYNTAX_ERROR;
2890 }
2891
2892 return handle_bp_command_set(CMD_CTX, addr, length, hw);
2893 }
2894
2895 COMMAND_HANDLER(handle_rbp_command)
2896 {
2897 if (CMD_ARGC != 1)
2898 return ERROR_COMMAND_SYNTAX_ERROR;
2899
2900 uint32_t addr;
2901 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
2902
2903 struct target *target = get_current_target(CMD_CTX);
2904 breakpoint_remove(target, addr);
2905
2906 return ERROR_OK;
2907 }
2908
2909 COMMAND_HANDLER(handle_wp_command)
2910 {
2911 struct target *target = get_current_target(CMD_CTX);
2912
2913 if (CMD_ARGC == 0)
2914 {
2915 struct watchpoint *watchpoint = target->watchpoints;
2916
2917 while (watchpoint)
2918 {
2919 command_print(CMD_CTX, "address: 0x%8.8" PRIx32
2920 ", len: 0x%8.8" PRIx32
2921 ", r/w/a: %i, value: 0x%8.8" PRIx32
2922 ", mask: 0x%8.8" PRIx32,
2923 watchpoint->address,
2924 watchpoint->length,
2925 (int)watchpoint->rw,
2926 watchpoint->value,
2927 watchpoint->mask);
2928 watchpoint = watchpoint->next;
2929 }
2930 return ERROR_OK;
2931 }
2932
2933 enum watchpoint_rw type = WPT_ACCESS;
2934 uint32_t addr = 0;
2935 uint32_t length = 0;
2936 uint32_t data_value = 0x0;
2937 uint32_t data_mask = 0xffffffff;
2938
2939 switch (CMD_ARGC)
2940 {
2941 case 5:
2942 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[4], data_mask);
2943 // fall through
2944 case 4:
2945 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[3], data_value);
2946 // fall through
2947 case 3:
2948 switch (CMD_ARGV[2][0])
2949 {
2950 case 'r':
2951 type = WPT_READ;
2952 break;
2953 case 'w':
2954 type = WPT_WRITE;
2955 break;
2956 case 'a':
2957 type = WPT_ACCESS;
2958 break;
2959 default:
2960 LOG_ERROR("invalid watchpoint mode ('%c')", CMD_ARGV[2][0]);
2961 return ERROR_COMMAND_SYNTAX_ERROR;
2962 }
2963 // fall through
2964 case 2:
2965 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
2966 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
2967 break;
2968
2969 default:
2970 command_print(CMD_CTX, "usage: wp [address length "
2971 "[(r|w|a) [value [mask]]]]");
2972 return ERROR_COMMAND_SYNTAX_ERROR;
2973 }
2974
2975 int retval = watchpoint_add(target, addr, length, type,
2976 data_value, data_mask);
2977 if (ERROR_OK != retval)
2978 LOG_ERROR("Failure setting watchpoints");
2979
2980 return retval;
2981 }
2982
2983 COMMAND_HANDLER(handle_rwp_command)
2984 {
2985 if (CMD_ARGC != 1)
2986 return ERROR_COMMAND_SYNTAX_ERROR;
2987
2988 uint32_t addr;
2989 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
2990
2991 struct target *target = get_current_target(CMD_CTX);
2992 watchpoint_remove(target, addr);
2993
2994 return ERROR_OK;
2995 }
2996
2997
2998 /**
2999 * Translate a virtual address to a physical address.
3000 *
3001 * The low-level target implementation must have logged a detailed error
3002 * which is forwarded to telnet/GDB session.
3003 */
3004 COMMAND_HANDLER(handle_virt2phys_command)
3005 {
3006 if (CMD_ARGC != 1)
3007 return ERROR_COMMAND_SYNTAX_ERROR;
3008
3009 uint32_t va;
3010 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], va);
3011 uint32_t pa;
3012
3013 struct target *target = get_current_target(CMD_CTX);
3014 int retval = target->type->virt2phys(target, va, &pa);
3015 if (retval == ERROR_OK)
3016 command_print(CMD_CTX, "Physical address 0x%08" PRIx32 "", pa);
3017
3018 return retval;
3019 }
3020
3021 static void writeData(FILE *f, const void *data, size_t len)
3022 {
3023 size_t written = fwrite(data, 1, len, f);
3024 if (written != len)
3025 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
3026 }
3027
3028 static void writeLong(FILE *f, int l)
3029 {
3030 int i;
3031 for (i = 0; i < 4; i++)
3032 {
3033 char c = (l >> (i*8))&0xff;
3034 writeData(f, &c, 1);
3035 }
3036
3037 }
3038
3039 static void writeString(FILE *f, char *s)
3040 {
3041 writeData(f, s, strlen(s));
3042 }
3043
3044 /* Dump a gmon.out histogram file. */
3045 static void writeGmon(uint32_t *samples, uint32_t sampleNum, const char *filename)
3046 {
3047 uint32_t i;
3048 FILE *f = fopen(filename, "w");
3049 if (f == NULL)
3050 return;
3051 writeString(f, "gmon");
3052 writeLong(f, 0x00000001); /* Version */
3053 writeLong(f, 0); /* padding */
3054 writeLong(f, 0); /* padding */
3055 writeLong(f, 0); /* padding */
3056
3057 uint8_t zero = 0; /* GMON_TAG_TIME_HIST */
3058 writeData(f, &zero, 1);
3059
3060 /* figure out bucket size */
3061 uint32_t min = samples[0];
3062 uint32_t max = samples[0];
3063 for (i = 0; i < sampleNum; i++)
3064 {
3065 if (min > samples[i])
3066 {
3067 min = samples[i];
3068 }
3069 if (max < samples[i])
3070 {
3071 max = samples[i];
3072 }
3073 }
3074
3075 int addressSpace = (max-min + 1);
3076
3077 static const uint32_t maxBuckets = 256 * 1024; /* maximum buckets. */
3078 uint32_t length = addressSpace;
3079 if (length > maxBuckets)
3080 {
3081 length = maxBuckets;
3082 }
3083 int *buckets = malloc(sizeof(int)*length);
3084 if (buckets == NULL)
3085 {
3086 fclose(f);
3087 return;
3088 }
3089 memset(buckets, 0, sizeof(int)*length);
3090 for (i = 0; i < sampleNum;i++)
3091 {
3092 uint32_t address = samples[i];
3093 long long a = address-min;
3094 long long b = length-1;
3095 long long c = addressSpace-1;
3096 int index_t = (a*b)/c; /* danger!!!! int32 overflows */
3097 buckets[index_t]++;
3098 }
3099
3100 /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
3101 writeLong(f, min); /* low_pc */
3102 writeLong(f, max); /* high_pc */
3103 writeLong(f, length); /* # of samples */
3104 writeLong(f, 64000000); /* 64MHz */
3105 writeString(f, "seconds");
3106 for (i = 0; i < (15-strlen("seconds")); i++)
3107 writeData(f, &zero, 1);
3108 writeString(f, "s");
3109
3110 /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
3111
3112 char *data = malloc(2*length);
3113 if (data != NULL)
3114 {
3115 for (i = 0; i < length;i++)
3116 {
3117 int val;
3118 val = buckets[i];
3119 if (val > 65535)
3120 {
3121 val = 65535;
3122 }
3123 data[i*2]=val&0xff;
3124 data[i*2 + 1]=(val >> 8)&0xff;
3125 }
3126 free(buckets);
3127 writeData(f, data, length * 2);
3128 free(data);
3129 } else
3130 {
3131 free(buckets);
3132 }
3133
3134 fclose(f);
3135 }
3136
3137 /* profiling samples the CPU PC as quickly as OpenOCD is able,
3138 * which will be used as a random sampling of PC */
3139 COMMAND_HANDLER(handle_profile_command)
3140 {
3141 struct target *target = get_current_target(CMD_CTX);
3142 struct timeval timeout, now;
3143
3144 gettimeofday(&timeout, NULL);
3145 if (CMD_ARGC != 2)
3146 {
3147 return ERROR_COMMAND_SYNTAX_ERROR;
3148 }
3149 unsigned offset;
3150 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], offset);
3151
3152 timeval_add_time(&timeout, offset, 0);
3153
3154 /**
3155 * @todo: Some cores let us sample the PC without the
3156 * annoying halt/resume step; for example, ARMv7 PCSR.
3157 * Provide a way to use that more efficient mechanism.
3158 */
3159
3160 command_print(CMD_CTX, "Starting profiling. Halting and resuming the target as often as we can...");
3161
3162 static const int maxSample = 10000;
3163 uint32_t *samples = malloc(sizeof(uint32_t)*maxSample);
3164 if (samples == NULL)
3165 return ERROR_OK;
3166
3167 int numSamples = 0;
3168 /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
3169 struct reg *reg = register_get_by_name(target->reg_cache, "pc", 1);
3170
3171 for (;;)
3172 {
3173 int retval;
3174 target_poll(target);
3175 if (target->state == TARGET_HALTED)
3176 {
3177 uint32_t t=*((uint32_t *)reg->value);
3178 samples[numSamples++]=t;
3179 retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3180 target_poll(target);
3181 alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
3182 } else if (target->state == TARGET_RUNNING)
3183 {
3184 /* We want to quickly sample the PC. */
3185 if ((retval = target_halt(target)) != ERROR_OK)
3186 {
3187 free(samples);
3188 return retval;
3189 }
3190 } else
3191 {
3192 command_print(CMD_CTX, "Target not halted or running");
3193 retval = ERROR_OK;
3194 break;
3195 }
3196 if (retval != ERROR_OK)
3197 {
3198 break;
3199 }
3200
3201 gettimeofday(&now, NULL);
3202 if ((numSamples >= maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
3203 {
3204 command_print(CMD_CTX, "Profiling completed. %d samples.", numSamples);
3205 if ((retval = target_poll(target)) != ERROR_OK)
3206 {
3207 free(samples);
3208 return retval;
3209 }
3210 if (target->state == TARGET_HALTED)
3211 {
3212 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3213 }
3214 if ((retval = target_poll(target)) != ERROR_OK)
3215 {
3216 free(samples);
3217 return retval;
3218 }
3219 writeGmon(samples, numSamples, CMD_ARGV[1]);
3220 command_print(CMD_CTX, "Wrote %s", CMD_ARGV[1]);
3221 break;
3222 }
3223 }
3224 free(samples);
3225
3226 return ERROR_OK;
3227 }
3228
3229 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t val)
3230 {
3231 char *namebuf;
3232 Jim_Obj *nameObjPtr, *valObjPtr;
3233 int result;
3234
3235 namebuf = alloc_printf("%s(%d)", varname, idx);
3236 if (!namebuf)
3237 return JIM_ERR;
3238
3239 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3240 valObjPtr = Jim_NewIntObj(interp, val);
3241 if (!nameObjPtr || !valObjPtr)
3242 {
3243 free(namebuf);
3244 return JIM_ERR;
3245 }
3246
3247 Jim_IncrRefCount(nameObjPtr);
3248 Jim_IncrRefCount(valObjPtr);
3249 result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
3250 Jim_DecrRefCount(interp, nameObjPtr);
3251 Jim_DecrRefCount(interp, valObjPtr);
3252 free(namebuf);
3253 /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
3254 return result;
3255 }
3256
3257 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3258 {
3259 struct command_context *context;
3260 struct target *target;
3261
3262 context = current_command_context(interp);
3263 assert (context != NULL);
3264
3265 target = get_current_target(context);
3266 if (target == NULL)
3267 {
3268 LOG_ERROR("mem2array: no current target");
3269 return JIM_ERR;
3270 }
3271
3272 return target_mem2array(interp, target, argc-1, argv + 1);
3273 }
3274
3275 static int target_mem2array(Jim_Interp *interp, struct target *target, int argc, Jim_Obj *const *argv)
3276 {
3277 long l;
3278 uint32_t width;
3279 int len;
3280 uint32_t addr;
3281 uint32_t count;
3282 uint32_t v;
3283 const char *varname;
3284 int n, e, retval;
3285 uint32_t i;
3286
3287 /* argv[1] = name of array to receive the data
3288 * argv[2] = desired width
3289 * argv[3] = memory address
3290 * argv[4] = count of times to read
3291 */
3292 if (argc != 4) {
3293 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3294 return JIM_ERR;
3295 }
3296 varname = Jim_GetString(argv[0], &len);
3297 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3298
3299 e = Jim_GetLong(interp, argv[1], &l);
3300 width = l;
3301 if (e != JIM_OK) {
3302 return e;
3303 }
3304
3305 e = Jim_GetLong(interp, argv[2], &l);
3306 addr = l;
3307 if (e != JIM_OK) {
3308 return e;
3309 }
3310 e = Jim_GetLong(interp, argv[3], &l);
3311 len = l;
3312 if (e != JIM_OK) {
3313 return e;
3314 }
3315 switch (width) {
3316 case 8:
3317 width = 1;
3318 break;
3319 case 16:
3320 width = 2;
3321 break;
3322 case 32:
3323 width = 4;
3324 break;
3325 default:
3326 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3327 Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3328 return JIM_ERR;
3329 }
3330 if (len == 0) {
3331 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3332 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
3333 return JIM_ERR;
3334 }
3335 if ((addr + (len * width)) < addr) {
3336 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3337 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
3338 return JIM_ERR;
3339 }
3340 /* absurd transfer size? */
3341 if (len > 65536) {
3342 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3343 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
3344 return JIM_ERR;
3345 }
3346
3347 if ((width == 1) ||
3348 ((width == 2) && ((addr & 1) == 0)) ||
3349 ((width == 4) && ((addr & 3) == 0))) {
3350 /* all is well */
3351 } else {
3352 char buf[100];
3353 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3354 sprintf(buf, "mem2array address: 0x%08" PRIx32 " is not aligned for %" PRId32 " byte reads",
3355 addr,
3356 width);
3357 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3358 return JIM_ERR;
3359 }
3360
3361 /* Transfer loop */
3362
3363 /* index counter */
3364 n = 0;
3365
3366 size_t buffersize = 4096;
3367 uint8_t *buffer = malloc(buffersize);
3368 if (buffer == NULL)
3369 return JIM_ERR;
3370
3371 /* assume ok */
3372 e = JIM_OK;
3373 while (len) {
3374 /* Slurp... in buffer size chunks */
3375
3376 count = len; /* in objects.. */
3377 if (count > (buffersize/width)) {
3378 count = (buffersize/width);
3379 }
3380
3381 retval = target_read_memory(target, addr, width, count, buffer);
3382 if (retval != ERROR_OK) {
3383 /* BOO !*/
3384 LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed",
3385 (unsigned int)addr,
3386 (int)width,
3387 (int)count);
3388 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3389 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
3390 e = JIM_ERR;
3391 len = 0;
3392 } else {
3393 v = 0; /* shut up gcc */
3394 for (i = 0 ;i < count ;i++, n++) {
3395 switch (width) {
3396 case 4:
3397 v = target_buffer_get_u32(target, &buffer[i*width]);
3398 break;
3399 case 2:
3400 v = target_buffer_get_u16(target, &buffer[i*width]);
3401 break;
3402 case 1:
3403 v = buffer[i] & 0x0ff;
3404 break;
3405 }
3406 new_int_array_element(interp, varname, n, v);
3407 }
3408 len -= count;
3409 }
3410 }
3411
3412 free(buffer);
3413
3414 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3415
3416 return JIM_OK;
3417 }
3418
3419 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t *val)
3420 {
3421 char *namebuf;
3422 Jim_Obj *nameObjPtr, *valObjPtr;
3423 int result;
3424 long l;
3425
3426 namebuf = alloc_printf("%s(%d)", varname, idx);
3427 if (!namebuf)
3428 return JIM_ERR;
3429
3430 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3431 if (!nameObjPtr)
3432 {
3433 free(namebuf);
3434 return JIM_ERR;
3435 }
3436
3437 Jim_IncrRefCount(nameObjPtr);
3438 valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
3439 Jim_DecrRefCount(interp, nameObjPtr);
3440 free(namebuf);
3441 if (valObjPtr == NULL)
3442 return JIM_ERR;
3443
3444 result = Jim_GetLong(interp, valObjPtr, &l);
3445 /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
3446 *val = l;
3447 return result;
3448 }
3449
3450 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3451 {
3452 struct command_context *context;
3453 struct target *target;
3454
3455 context = current_command_context(interp);
3456 assert (context != NULL);
3457
3458 target = get_current_target(context);
3459 if (target == NULL) {
3460 LOG_ERROR("array2mem: no current target");
3461 return JIM_ERR;
3462 }
3463
3464 return target_array2mem(interp,target, argc-1, argv + 1);
3465 }
3466
3467 static int target_array2mem(Jim_Interp *interp, struct target *target,
3468 int argc, Jim_Obj *const *argv)
3469 {
3470 long l;
3471 uint32_t width;
3472 int len;
3473 uint32_t addr;
3474 uint32_t count;
3475 uint32_t v;
3476 const char *varname;
3477 int n, e, retval;
3478 uint32_t i;
3479
3480 /* argv[1] = name of array to get the data
3481 * argv[2] = desired width
3482 * argv[3] = memory address
3483 * argv[4] = count to write
3484 */
3485 if (argc != 4) {
3486 Jim_WrongNumArgs(interp, 0, argv, "varname width addr nelems");
3487 return JIM_ERR;
3488 }
3489 varname = Jim_GetString(argv[0], &len);
3490 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3491
3492 e = Jim_GetLong(interp, argv[1], &l);
3493 width = l;
3494 if (e != JIM_OK) {
3495 return e;
3496 }
3497
3498 e = Jim_GetLong(interp, argv[2], &l);
3499 addr = l;
3500 if (e != JIM_OK) {
3501 return e;
3502 }
3503 e = Jim_GetLong(interp, argv[3], &l);
3504 len = l;
3505 if (e != JIM_OK) {
3506 return e;
3507 }
3508 switch (width) {
3509 case 8:
3510 width = 1;
3511 break;
3512 case 16:
3513 width = 2;
3514 break;
3515 case 32:
3516 width = 4;
3517 break;
3518 default:
3519 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3520 Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3521 return JIM_ERR;
3522 }
3523 if (len == 0) {
3524 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3525 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
3526 return JIM_ERR;
3527 }
3528 if ((addr + (len * width)) < addr) {
3529 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3530 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
3531 return JIM_ERR;
3532 }
3533 /* absurd transfer size? */
3534 if (len > 65536) {
3535 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3536 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
3537 return JIM_ERR;
3538 }
3539
3540 if ((width == 1) ||
3541 ((width == 2) && ((addr & 1) == 0)) ||
3542 ((width == 4) && ((addr & 3) == 0))) {
3543 /* all is well */
3544 } else {
3545 char buf[100];
3546 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3547 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads",
3548 (unsigned int)addr,
3549 (int)width);
3550 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3551 return JIM_ERR;
3552 }
3553
3554 /* Transfer loop */
3555
3556 /* index counter */
3557 n = 0;
3558 /* assume ok */
3559 e = JIM_OK;
3560
3561 size_t buffersize = 4096;
3562 uint8_t *buffer = malloc(buffersize);
3563 if (buffer == NULL)
3564 return JIM_ERR;
3565
3566 while (len) {
3567 /* Slurp... in buffer size chunks */
3568
3569 count = len; /* in objects.. */
3570 if (count > (buffersize/width)) {
3571 count = (buffersize/width);
3572 }
3573
3574 v = 0; /* shut up gcc */
3575 for (i = 0 ;i < count ;i++, n++) {
3576 get_int_array_element(interp, varname, n, &v);
3577 switch (width) {
3578 case 4:
3579 target_buffer_set_u32(target, &buffer[i*width], v);
3580 break;
3581 case 2:
3582 target_buffer_set_u16(target, &buffer[i*width], v);
3583 break;
3584 case 1:
3585 buffer[i] = v & 0x0ff;
3586 break;
3587 }
3588 }
3589 len -= count;
3590
3591 retval = target_write_memory(target, addr, width, count, buffer);
3592 if (retval != ERROR_OK) {
3593 /* BOO !*/
3594 LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed",
3595 (unsigned int)addr,
3596 (int)width,
3597 (int)count);
3598 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3599 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3600 e = JIM_ERR;
3601 len = 0;
3602 }
3603 }
3604
3605 free(buffer);
3606
3607 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3608
3609 return JIM_OK;
3610 }
3611
3612 /* FIX? should we propagate errors here rather than printing them
3613 * and continuing?
3614 */
3615 void target_handle_event(struct target *target, enum target_event e)
3616 {
3617 struct target_event_action *teap;
3618
3619 for (teap = target->event_action; teap != NULL; teap = teap->next) {
3620 if (teap->event == e) {
3621 LOG_DEBUG("target: (%d) %s (%s) event: %d (%s) action: %s",
3622 target->target_number,
3623 target_name(target),
3624 target_type_name(target),
3625 e,
3626 Jim_Nvp_value2name_simple(nvp_target_event, e)->name,
3627 Jim_GetString(teap->body, NULL));
3628 if (Jim_EvalObj(teap->interp, teap->body) != JIM_OK)
3629 {
3630 Jim_PrintErrorMessage(teap->interp);
3631 }
3632 }
3633 }
3634 }
3635
3636 /**
3637 * Returns true only if the target has a handler for the specified event.
3638 */
3639 bool target_has_event_action(struct target *target, enum target_event event)
3640 {
3641 struct target_event_action *teap;
3642
3643 for (teap = target->event_action; teap != NULL; teap = teap->next) {
3644 if (teap->event == event)
3645 return true;
3646 }
3647 return false;
3648 }
3649
3650 enum target_cfg_param {
3651 TCFG_TYPE,
3652 TCFG_EVENT,
3653 TCFG_WORK_AREA_VIRT,
3654 TCFG_WORK_AREA_PHYS,
3655 TCFG_WORK_AREA_SIZE,
3656 TCFG_WORK_AREA_BACKUP,
3657 TCFG_ENDIAN,
3658 TCFG_VARIANT,
3659 TCFG_CHAIN_POSITION,
3660 };
3661
3662 static Jim_Nvp nvp_config_opts[] = {
3663 { .name = "-type", .value = TCFG_TYPE },
3664 { .name = "-event", .value = TCFG_EVENT },
3665 { .name = "-work-area-virt", .value = TCFG_WORK_AREA_VIRT },
3666 { .name = "-work-area-phys", .value = TCFG_WORK_AREA_PHYS },
3667 { .name = "-work-area-size", .value = TCFG_WORK_AREA_SIZE },
3668 { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3669 { .name = "-endian" , .value = TCFG_ENDIAN },
3670 { .name = "-variant", .value = TCFG_VARIANT },
3671 { .name = "-chain-position", .value = TCFG_CHAIN_POSITION },
3672
3673 { .name = NULL, .value = -1 }
3674 };
3675
3676 static int target_configure(Jim_GetOptInfo *goi, struct target *target)
3677 {
3678 Jim_Nvp *n;
3679 Jim_Obj *o;
3680 jim_wide w;
3681 char *cp;
3682 int e;
3683
3684 /* parse config or cget options ... */
3685 while (goi->argc > 0) {
3686 Jim_SetEmptyResult(goi->interp);
3687 /* Jim_GetOpt_Debug(goi); */
3688
3689 if (target->type->target_jim_configure) {
3690 /* target defines a configure function */
3691 /* target gets first dibs on parameters */
3692 e = (*(target->type->target_jim_configure))(target, goi);
3693 if (e == JIM_OK) {
3694 /* more? */
3695 continue;
3696 }
3697 if (e == JIM_ERR) {
3698 /* An error */
3699 return e;
3700 }
3701 /* otherwise we 'continue' below */
3702 }
3703 e = Jim_GetOpt_Nvp(goi, nvp_config_opts, &n);
3704 if (e != JIM_OK) {
3705 Jim_GetOpt_NvpUnknown(goi, nvp_config_opts, 0);
3706 return e;
3707 }
3708 switch (n->value) {
3709 case TCFG_TYPE:
3710 /* not setable */
3711 if (goi->isconfigure) {
3712 Jim_SetResult_sprintf(goi->interp,
3713 "not settable: %s", n->name);
3714 return JIM_ERR;
3715 } else {
3716 no_params:
3717 if (goi->argc != 0) {
3718 Jim_WrongNumArgs(goi->interp,
3719 goi->argc, goi->argv,
3720 "NO PARAMS");
3721 return JIM_ERR;
3722 }
3723 }
3724 Jim_SetResultString(goi->interp,
3725 target_type_name(target), -1);
3726 /* loop for more */
3727 break;
3728 case TCFG_EVENT:
3729 if (goi->argc == 0) {
3730 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3731 return JIM_ERR;
3732 }
3733
3734 e = Jim_GetOpt_Nvp(goi, nvp_target_event, &n);
3735 if (e != JIM_OK) {
3736 Jim_GetOpt_NvpUnknown(goi, nvp_target_event, 1);
3737 return e;
3738 }
3739
3740 if (goi->isconfigure) {
3741 if (goi->argc != 1) {
3742 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3743 return JIM_ERR;
3744 }
3745 } else {
3746 if (goi->argc != 0) {
3747 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3748 return JIM_ERR;
3749 }
3750 }
3751
3752 {
3753 struct target_event_action *teap;
3754
3755 teap = target->event_action;
3756 /* replace existing? */
3757 while (teap) {
3758 if (teap->event == (enum target_event)n->value) {
3759 break;
3760 }
3761 teap = teap->next;
3762 }
3763
3764 if (goi->isconfigure) {
3765 bool replace = true;
3766 if (teap == NULL) {
3767 /* create new */
3768 teap = calloc(1, sizeof(*teap));
3769 replace = false;
3770 }
3771 teap->event = n->value;
3772 teap->interp = goi->interp;
3773 Jim_GetOpt_Obj(goi, &o);
3774 if (teap->body) {
3775 Jim_DecrRefCount(teap->interp, teap->body);
3776 }
3777 teap->body = Jim_DuplicateObj(goi->interp, o);
3778 /*
3779 * FIXME:
3780 * Tcl/TK - "tk events" have a nice feature.
3781 * See the "BIND" command.
3782 * We should support that here.
3783 * You can specify %X and %Y in the event code.
3784 * The idea is: %T - target name.
3785 * The idea is: %N - target number
3786 * The idea is: %E - event name.
3787 */
3788 Jim_IncrRefCount(teap->body);
3789
3790 if (!replace)
3791 {
3792 /* add to head of event list */
3793 teap->next = target->event_action;
3794 target->event_action = teap;
3795 }
3796 Jim_SetEmptyResult(goi->interp);
3797 } else {
3798 /* get */
3799 if (teap == NULL) {
3800 Jim_SetEmptyResult(goi->interp);
3801 } else {
3802 Jim_SetResult(goi->interp, Jim_DuplicateObj(goi->interp, teap->body));
3803 }
3804 }
3805 }
3806 /* loop for more */
3807 break;
3808
3809 case TCFG_WORK_AREA_VIRT:
3810 if (goi->isconfigure) {
3811 target_free_all_working_areas(target);
3812 e = Jim_GetOpt_Wide(goi, &w);
3813 if (e != JIM_OK) {
3814 return e;
3815 }
3816 target->working_area_virt = w;
3817 target->working_area_virt_spec = true;
3818 } else {
3819 if (goi->argc != 0) {
3820 goto no_params;
3821 }
3822 }
3823 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->working_area_virt));
3824 /* loop for more */
3825 break;
3826
3827 case TCFG_WORK_AREA_PHYS:
3828 if (goi->isconfigure) {
3829 target_free_all_working_areas(target);
3830 e = Jim_GetOpt_Wide(goi, &w);
3831 if (e != JIM_OK) {
3832 return e;
3833 }
3834 target->working_area_phys = w;
3835 target->working_area_phys_spec = true;
3836 } else {
3837 if (goi->argc != 0) {
3838 goto no_params;
3839 }
3840 }
3841 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->working_area_phys));
3842 /* loop for more */
3843 break;
3844
3845 case TCFG_WORK_AREA_SIZE:
3846 if (goi->isconfigure) {
3847 target_free_all_working_areas(target);
3848 e = Jim_GetOpt_Wide(goi, &w);
3849 if (e != JIM_OK) {
3850 return e;
3851 }
3852 target->working_area_size = w;
3853 } else {
3854 if (goi->argc != 0) {
3855 goto no_params;
3856 }
3857 }
3858 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->working_area_size));
3859 /* loop for more */
3860 break;
3861
3862 case TCFG_WORK_AREA_BACKUP:
3863 if (goi->isconfigure) {
3864 target_free_all_working_areas(target);
3865 e = Jim_GetOpt_Wide(goi, &w);
3866 if (e != JIM_OK) {
3867 return e;
3868 }
3869 /* make this exactly 1 or 0 */
3870 target->backup_working_area = (!!w);
3871 } else {
3872 if (goi->argc != 0) {
3873 goto no_params;
3874 }
3875 }
3876 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->backup_working_area));
3877 /* loop for more e*/
3878 break;
3879
3880 case TCFG_ENDIAN:
3881 if (goi->isconfigure) {
3882 e = Jim_GetOpt_Nvp(goi, nvp_target_endian, &n);
3883 if (e != JIM_OK) {
3884 Jim_GetOpt_NvpUnknown(goi, nvp_target_endian, 1);
3885 return e;
3886 }
3887 target->endianness = n->value;
3888 } else {
3889 if (goi->argc != 0) {
3890 goto no_params;
3891 }
3892 }
3893 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
3894 if (n->name == NULL) {
3895 target->endianness = TARGET_LITTLE_ENDIAN;
3896 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
3897 }
3898 Jim_SetResultString(goi->interp, n->name, -1);
3899 /* loop for more */
3900 break;
3901
3902 case TCFG_VARIANT:
3903 if (goi->isconfigure) {
3904 if (goi->argc < 1) {
3905 Jim_SetResult_sprintf(goi->interp,
3906 "%s ?STRING?",
3907 n->name);
3908 return JIM_ERR;
3909 }
3910 if (target->variant) {
3911 free((void *)(target->variant));
3912 }
3913 e = Jim_GetOpt_String(goi, &cp, NULL);
3914 target->variant = strdup(cp);
3915 } else {
3916 if (goi->argc != 0) {
3917 goto no_params;
3918 }
3919 }
3920 Jim_SetResultString(goi->interp, target->variant,-1);
3921 /* loop for more */
3922 break;
3923 case TCFG_CHAIN_POSITION:
3924 if (goi->isconfigure) {
3925 Jim_Obj *o_t;
3926 struct jtag_tap *tap;
3927 target_free_all_working_areas(target);
3928 e = Jim_GetOpt_Obj(goi, &o_t);
3929 if (e != JIM_OK) {
3930 return e;
3931 }
3932 tap = jtag_tap_by_jim_obj(goi->interp, o_t);
3933 if (tap == NULL) {
3934 return JIM_ERR;
3935 }
3936 /* make this exactly 1 or 0 */
3937 target->tap = tap;
3938 } else {
3939 if (goi->argc != 0) {
3940 goto no_params;
3941 }
3942 }
3943 Jim_SetResultString(goi->interp, target->tap->dotted_name, -1);
3944 /* loop for more e*/
3945 break;
3946 }
3947 } /* while (goi->argc) */
3948
3949
3950 /* done - we return */
3951 return JIM_OK;
3952 }
3953
3954 static int
3955 jim_target_configure(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3956 {
3957 Jim_GetOptInfo goi;
3958
3959 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
3960 goi.isconfigure = !strcmp(Jim_GetString(argv[0], NULL), "configure");
3961 int need_args = 1 + goi.isconfigure;
3962 if (goi.argc < need_args)
3963 {
3964 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv,
3965 goi.isconfigure
3966 ? "missing: -option VALUE ..."
3967 : "missing: -option ...");
3968 return JIM_ERR;
3969 }
3970 struct target *target = Jim_CmdPrivData(goi.interp);
3971 return target_configure(&goi, target);
3972 }
3973
3974 static int jim_target_mw(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3975 {
3976 const char *cmd_name = Jim_GetString(argv[0], NULL);
3977
3978 Jim_GetOptInfo goi;
3979 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
3980
3981 if (goi.argc < 2 || goi.argc > 4)
3982 {
3983 Jim_SetResult_sprintf(goi.interp,
3984 "usage: %s [phys] <address> <data> [<count>]", cmd_name);
3985 return JIM_ERR;
3986 }
3987
3988 target_write_fn fn;
3989 fn = target_write_memory_fast;
3990
3991 int e;
3992 if (strcmp(Jim_GetString(argv[1], NULL), "phys") == 0)
3993 {
3994 /* consume it */
3995 struct Jim_Obj *obj;
3996 e = Jim_GetOpt_Obj(&goi, &obj);
3997 if (e != JIM_OK)
3998 return e;
3999
4000 fn = target_write_phys_memory;
4001 }
4002
4003 jim_wide a;
4004 e = Jim_GetOpt_Wide(&goi, &a);
4005 if (e != JIM_OK)
4006 return e;
4007
4008 jim_wide b;
4009 e = Jim_GetOpt_Wide(&goi, &b);
4010 if (e != JIM_OK)
4011 return e;
4012
4013 jim_wide c = 1;
4014 if (goi.argc == 1)
4015 {
4016 e = Jim_GetOpt_Wide(&goi, &c);
4017 if (e != JIM_OK)
4018 return e;
4019 }
4020
4021 /* all args must be consumed */
4022 if (goi.argc != 0)
4023 {
4024 return JIM_ERR;
4025 }
4026
4027 struct target *target = Jim_CmdPrivData(goi.interp);
4028 unsigned data_size;
4029 if (strcasecmp(cmd_name, "mww") == 0) {
4030 data_size = 4;
4031 }
4032 else if (strcasecmp(cmd_name, "mwh") == 0) {
4033 data_size = 2;
4034 }
4035 else if (strcasecmp(cmd_name, "mwb") == 0) {
4036 data_size = 1;
4037 } else {
4038 LOG_ERROR("command '%s' unknown: ", cmd_name);
4039 return JIM_ERR;
4040 }
4041
4042 return (target_fill_mem(target, a, fn, data_size, b, c) == ERROR_OK) ? JIM_OK : JIM_ERR;
4043 }
4044
4045 static int jim_target_md(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4046 {
4047 const char *cmd_name = Jim_GetString(argv[0], NULL);
4048
4049 Jim_GetOptInfo goi;
4050 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4051
4052 if ((goi.argc < 1) || (goi.argc > 3))
4053 {
4054 Jim_SetResult_sprintf(goi.interp,
4055 "usage: %s [phys] <address> [<count>]", cmd_name);
4056 return JIM_ERR;
4057 }
4058
4059 int (*fn)(struct target *target,
4060 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
4061 fn=target_read_memory;
4062
4063 int e;
4064 if (strcmp(Jim_GetString(argv[1], NULL), "phys") == 0)
4065 {
4066 /* consume it */
4067 struct Jim_Obj *obj;
4068 e = Jim_GetOpt_Obj(&goi, &obj);
4069 if (e != JIM_OK)
4070 return e;
4071
4072 fn=target_read_phys_memory;
4073 }
4074
4075 jim_wide a;
4076 e = Jim_GetOpt_Wide(&goi, &a);
4077 if (e != JIM_OK) {
4078 return JIM_ERR;
4079 }
4080 jim_wide c;
4081 if (goi.argc == 1) {
4082 e = Jim_GetOpt_Wide(&goi, &c);
4083 if (e != JIM_OK) {
4084 return JIM_ERR;
4085 }
4086 } else {
4087 c = 1;
4088 }
4089
4090 /* all args must be consumed */
4091 if (goi.argc != 0)
4092 {
4093 return JIM_ERR;
4094 }
4095
4096 jim_wide b = 1; /* shut up gcc */
4097 if (strcasecmp(cmd_name, "mdw") == 0)
4098 b = 4;
4099 else if (strcasecmp(cmd_name, "mdh") == 0)
4100 b = 2;
4101 else if (strcasecmp(cmd_name, "mdb") == 0)
4102 b = 1;
4103 else {
4104 LOG_ERROR("command '%s' unknown: ", cmd_name);
4105 return JIM_ERR;
4106 }
4107
4108 /* convert count to "bytes" */
4109 c = c * b;
4110
4111 struct target *target = Jim_CmdPrivData(goi.interp);
4112 uint8_t target_buf[32];
4113 jim_wide x, y, z;
4114 while (c > 0) {
4115 y = c;
4116 if (y > 16) {
4117 y = 16;
4118 }
4119 e = fn(target, a, b, y / b, target_buf);
4120 if (e != ERROR_OK) {
4121 Jim_SetResult_sprintf(interp, "error reading target @ 0x%08lx", (int)(a));
4122 return JIM_ERR;
4123 }
4124
4125 Jim_fprintf(interp, interp->cookie_stdout, "0x%08x ", (int)(a));
4126 switch (b) {
4127 case 4:
4128 for (x = 0; x < 16 && x < y; x += 4)
4129 {
4130 z = target_buffer_get_u32(target, &(target_buf[ x ]));
4131 Jim_fprintf(interp, interp->cookie_stdout, "%08x ", (int)(z));
4132 }
4133 for (; (x < 16) ; x += 4) {
4134 Jim_fprintf(interp, interp->cookie_stdout, " ");
4135 }
4136 break;
4137 case 2:
4138 for (x = 0; x < 16 && x < y; x += 2)
4139 {
4140 z = target_buffer_get_u16(target, &(target_buf[ x ]));
4141 Jim_fprintf(interp, interp->cookie_stdout, "%04x ", (int)(z));
4142 }
4143 for (; (x < 16) ; x += 2) {
4144 Jim_fprintf(interp, interp->cookie_stdout, " ");
4145 }
4146 break;
4147 case 1:
4148 default:
4149 for (x = 0 ; (x < 16) && (x < y) ; x += 1) {
4150 z = target_buffer_get_u8(target, &(target_buf[ x ]));
4151 Jim_fprintf(interp, interp->cookie_stdout, "%02x ", (int)(z));
4152 }
4153 for (; (x < 16) ; x += 1) {
4154 Jim_fprintf(interp, interp->cookie_stdout, " ");
4155 }
4156 break;
4157 }
4158 /* ascii-ify the bytes */
4159 for (x = 0 ; x < y ; x++) {
4160 if ((target_buf[x] >= 0x20) &&
4161 (target_buf[x] <= 0x7e)) {
4162 /* good */
4163 } else {
4164 /* smack it */
4165 target_buf[x] = '.';
4166 }
4167 }
4168 /* space pad */
4169 while (x < 16) {
4170 target_buf[x] = ' ';
4171 x++;
4172 }
4173 /* terminate */
4174 target_buf[16] = 0;
4175 /* print - with a newline */
4176 Jim_fprintf(interp, interp->cookie_stdout, "%s\n", target_buf);
4177 /* NEXT... */
4178 c -= 16;
4179 a += 16;
4180 }
4181 return JIM_OK;
4182 }
4183
4184 static int jim_target_mem2array(Jim_Interp *interp,
4185 int argc, Jim_Obj *const *argv)
4186 {
4187 struct target *target = Jim_CmdPrivData(interp);
4188 return target_mem2array(interp, target, argc - 1, argv + 1);
4189 }
4190
4191 static int jim_target_array2mem(Jim_Interp *interp,
4192 int argc, Jim_Obj *const *argv)
4193 {
4194 struct target *target = Jim_CmdPrivData(interp);
4195 return target_array2mem(interp, target, argc - 1, argv + 1);
4196 }
4197
4198 static int jim_target_tap_disabled(Jim_Interp *interp)
4199 {
4200 Jim_SetResult_sprintf(interp, "[TAP is disabled]");
4201 return JIM_ERR;
4202 }
4203
4204 static int jim_target_examine(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4205 {
4206 if (argc != 1)
4207 {
4208 Jim_WrongNumArgs(interp, 1, argv, "[no parameters]");
4209 return JIM_ERR;
4210 }
4211 struct target *target = Jim_CmdPrivData(interp);
4212 if (!target->tap->enabled)
4213 return jim_target_tap_disabled(interp);
4214
4215 int e = target->type->examine(target);
4216 if (e != ERROR_OK)
4217 {
4218 Jim_SetResult_sprintf(interp, "examine-fails: %d", e);
4219 return JIM_ERR;
4220 }
4221 return JIM_OK;
4222 }
4223
4224 static int jim_target_halt_gdb(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
4233 if (target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT) != ERROR_OK)
4234 return JIM_ERR;
4235
4236 return JIM_OK;
4237 }
4238
4239 static int jim_target_poll(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4240 {
4241 if (argc != 1)
4242 {
4243 Jim_WrongNumArgs(interp, 1, argv, "[no parameters]");
4244 return JIM_ERR;
4245 }
4246 struct target *target = Jim_CmdPrivData(interp);
4247 if (!target->tap->enabled)
4248 return jim_target_tap_disabled(interp);
4249
4250 int e;
4251 if (!(target_was_examined(target))) {
4252 e = ERROR_TARGET_NOT_EXAMINED;
4253 } else {
4254 e = target->type->poll(target);
4255 }
4256 if (e != ERROR_OK)
4257 {
4258 Jim_SetResult_sprintf(interp, "poll-fails: %d", e);
4259 return JIM_ERR;
4260 }
4261 return JIM_OK;
4262 }
4263
4264 static int jim_target_reset(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4265 {
4266 Jim_GetOptInfo goi;
4267 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4268
4269 if (goi.argc != 2)
4270 {
4271 Jim_WrongNumArgs(interp, 0, argv,
4272 "([tT]|[fF]|assert|deassert) BOOL");
4273 return JIM_ERR;
4274 }
4275
4276 Jim_Nvp *n;
4277 int e = Jim_GetOpt_Nvp(&goi, nvp_assert, &n);
4278 if (e != JIM_OK)
4279 {
4280 Jim_GetOpt_NvpUnknown(&goi, nvp_assert, 1);
4281 return e;
4282 }
4283 /* the halt or not param */
4284 jim_wide a;
4285 e = Jim_GetOpt_Wide(&goi, &a);
4286 if (e != JIM_OK)
4287 return e;
4288
4289 struct target *target = Jim_CmdPrivData(goi.interp);
4290 if (!target->tap->enabled)
4291 return jim_target_tap_disabled(interp);
4292 if (!(target_was_examined(target)))
4293 {
4294 LOG_ERROR("Target not examined yet");
4295 return ERROR_TARGET_NOT_EXAMINED;
4296 }
4297 if (!target->type->assert_reset || !target->type->deassert_reset)
4298 {
4299 Jim_SetResult_sprintf(interp,
4300 "No target-specific reset for %s",
4301 target_name(target));
4302 return JIM_ERR;
4303 }
4304 /* determine if we should halt or not. */
4305 target->reset_halt = !!a;
4306 /* When this happens - all workareas are invalid. */
4307 target_free_all_working_areas_restore(target, 0);
4308
4309 /* do the assert */
4310 if (n->value == NVP_ASSERT) {
4311 e = target->type->assert_reset(target);
4312 } else {
4313 e = target->type->deassert_reset(target);
4314 }
4315 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4316 }
4317
4318 static int jim_target_halt(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4319 {
4320 if (argc != 1) {
4321 Jim_WrongNumArgs(interp, 1, argv, "[no parameters]");
4322 return JIM_ERR;
4323 }
4324 struct target *target = Jim_CmdPrivData(interp);
4325 if (!target->tap->enabled)
4326 return jim_target_tap_disabled(interp);
4327 int e = target->type->halt(target);
4328 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4329 }
4330
4331 static int jim_target_wait_state(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4332 {
4333 Jim_GetOptInfo goi;
4334 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4335
4336 /* params: <name> statename timeoutmsecs */
4337 if (goi.argc != 2)
4338 {
4339 const char *cmd_name = Jim_GetString(argv[0], NULL);
4340 Jim_SetResult_sprintf(goi.interp,
4341 "%s <state_name> <timeout_in_msec>", cmd_name);
4342 return JIM_ERR;
4343 }
4344
4345 Jim_Nvp *n;
4346 int e = Jim_GetOpt_Nvp(&goi, nvp_target_state, &n);
4347 if (e != JIM_OK) {
4348 Jim_GetOpt_NvpUnknown(&goi, nvp_target_state,1);
4349 return e;
4350 }
4351 jim_wide a;
4352 e = Jim_GetOpt_Wide(&goi, &a);
4353 if (e != JIM_OK) {
4354 return e;
4355 }
4356 struct target *target = Jim_CmdPrivData(interp);
4357 if (!target->tap->enabled)
4358 return jim_target_tap_disabled(interp);
4359
4360 e = target_wait_state(target, n->value, a);
4361 if (e != ERROR_OK)
4362 {
4363 Jim_SetResult_sprintf(goi.interp,
4364 "target: %s wait %s fails (%d) %s",
4365 target_name(target), n->name,
4366 e, target_strerror_safe(e));
4367 return JIM_ERR;
4368 }
4369 return JIM_OK;
4370 }
4371 /* List for human, Events defined for this target.
4372 * scripts/programs should use 'name cget -event NAME'
4373 */
4374 static int jim_target_event_list(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4375 {
4376 struct command_context *cmd_ctx = current_command_context(interp);
4377 assert (cmd_ctx != NULL);
4378
4379 struct target *target = Jim_CmdPrivData(interp);
4380 struct target_event_action *teap = target->event_action;
4381 command_print(cmd_ctx, "Event actions for target (%d) %s\n",
4382 target->target_number,
4383 target_name(target));
4384 command_print(cmd_ctx, "%-25s | Body", "Event");
4385 command_print(cmd_ctx, "------------------------- | "
4386 "----------------------------------------");
4387 while (teap)
4388 {
4389 Jim_Nvp *opt = Jim_Nvp_value2name_simple(nvp_target_event, teap->event);
4390 command_print(cmd_ctx, "%-25s | %s",
4391 opt->name, Jim_GetString(teap->body, NULL));
4392 teap = teap->next;
4393 }
4394 command_print(cmd_ctx, "***END***");
4395 return JIM_OK;
4396 }
4397 static int jim_target_current_state(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4398 {
4399 if (argc != 1)
4400 {
4401 Jim_WrongNumArgs(interp, 1, argv, "[no parameters]");
4402 return JIM_ERR;
4403 }
4404 struct target *target = Jim_CmdPrivData(interp);
4405 Jim_SetResultString(interp, target_state_name(target), -1);
4406 return JIM_OK;
4407 }
4408 static int jim_target_invoke_event(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4409 {
4410 Jim_GetOptInfo goi;
4411 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4412 if (goi.argc != 1)
4413 {
4414 const char *cmd_name = Jim_GetString(argv[0], NULL);
4415 Jim_SetResult_sprintf(goi.interp, "%s <eventname>", cmd_name);
4416 return JIM_ERR;
4417 }
4418 Jim_Nvp *n;
4419 int e = Jim_GetOpt_Nvp(&goi, nvp_target_event, &n);
4420 if (e != JIM_OK)
4421 {
4422 Jim_GetOpt_NvpUnknown(&goi, nvp_target_event, 1);
4423 return e;
4424 }
4425 struct target *target = Jim_CmdPrivData(interp);
4426 target_handle_event(target, n->value);
4427 return JIM_OK;
4428 }
4429
4430 static const struct command_registration target_instance_command_handlers[] = {
4431 {
4432 .name = "configure",
4433 .mode = COMMAND_CONFIG,
4434 .jim_handler = jim_target_configure,
4435 .help = "configure a new target for use",
4436 .usage = "[target_attribute ...]",
4437 },
4438 {
4439 .name = "cget",
4440 .mode = COMMAND_ANY,
4441 .jim_handler = jim_target_configure,
4442 .help = "returns the specified target attribute",
4443 .usage = "target_attribute",
4444 },
4445 {
4446 .name = "mww",
4447 .mode = COMMAND_EXEC,
4448 .jim_handler = jim_target_mw,
4449 .help = "Write 32-bit word(s) to target memory",
4450 .usage = "address data [count]",
4451 },
4452 {
4453 .name = "mwh",
4454 .mode = COMMAND_EXEC,
4455 .jim_handler = jim_target_mw,
4456 .help = "Write 16-bit half-word(s) to target memory",
4457 .usage = "address data [count]",
4458 },
4459 {
4460 .name = "mwb",
4461 .mode = COMMAND_EXEC,
4462 .jim_handler = jim_target_mw,
4463 .help = "Write byte(s) to target memory",
4464 .usage = "address data [count]",
4465 },
4466 {
4467 .name = "mdw",
4468 .mode = COMMAND_EXEC,
4469 .jim_handler = jim_target_md,
4470 .help = "Display target memory as 32-bit words",
4471 .usage = "address [count]",
4472 },
4473 {
4474 .name = "mdh",
4475 .mode = COMMAND_EXEC,
4476 .jim_handler = jim_target_md,
4477 .help = "Display target memory as 16-bit half-words",
4478 .usage = "address [count]",
4479 },
4480 {
4481 .name = "mdb",
4482 .mode = COMMAND_EXEC,
4483 .jim_handler = jim_target_md,
4484 .help = "Display target memory as 8-bit bytes",
4485 .usage = "address [count]",
4486 },
4487 {
4488 .name = "array2mem",
4489 .mode = COMMAND_EXEC,
4490 .jim_handler = jim_target_array2mem,
4491 .help = "Writes Tcl array of 8/16/32 bit numbers "
4492 "to target memory",
4493 .usage = "arrayname bitwidth address count",
4494 },
4495 {
4496 .name = "mem2array",
4497 .mode = COMMAND_EXEC,
4498 .jim_handler = jim_target_mem2array,
4499 .help = "Loads Tcl array of 8/16/32 bit numbers "
4500 "from target memory",
4501 .usage = "arrayname bitwidth address count",
4502 },
4503 {
4504 .name = "eventlist",
4505 .mode = COMMAND_EXEC,
4506 .jim_handler = jim_target_event_list,
4507 .help = "displays a table of events defined for this target",
4508 },
4509 {
4510 .name = "curstate",
4511 .mode = COMMAND_EXEC,
4512 .jim_handler = jim_target_current_state,
4513 .help = "displays the current state of this target",
4514 },
4515 {
4516 .name = "arp_examine",
4517 .mode = COMMAND_EXEC,
4518 .jim_handler = jim_target_examine,
4519 .help = "used internally for reset processing",
4520 },
4521 {
4522 .name = "arp_halt_gdb",
4523 .mode = COMMAND_EXEC,
4524 .jim_handler = jim_target_halt_gdb,
4525 .help = "used internally for reset processing to halt GDB",
4526 },
4527 {
4528 .name = "arp_poll",
4529 .mode = COMMAND_EXEC,
4530 .jim_handler = jim_target_poll,
4531 .help = "used internally for reset processing",
4532 },
4533 {
4534 .name = "arp_reset",
4535 .mode = COMMAND_EXEC,
4536 .jim_handler = jim_target_reset,
4537 .help = "used internally for reset processing",
4538 },
4539 {
4540 .name = "arp_halt",
4541 .mode = COMMAND_EXEC,
4542 .jim_handler = jim_target_halt,
4543 .help = "used internally for reset processing",
4544 },
4545 {
4546 .name = "arp_waitstate",
4547 .mode = COMMAND_EXEC,
4548 .jim_handler = jim_target_wait_state,
4549 .help = "used internally for reset processing",
4550 },
4551 {
4552 .name = "invoke-event",
4553 .mode = COMMAND_EXEC,
4554 .jim_handler = jim_target_invoke_event,
4555 .help = "invoke handler for specified event",
4556 .usage = "event_name",
4557 },
4558 COMMAND_REGISTRATION_DONE
4559 };
4560
4561 static int target_create(Jim_GetOptInfo *goi)
4562 {
4563 Jim_Obj *new_cmd;
4564 Jim_Cmd *cmd;
4565 const char *cp;
4566 char *cp2;
4567 int e;
4568 int x;
4569 struct target *target;
4570 struct command_context *cmd_ctx;
4571
4572 cmd_ctx = current_command_context(goi->interp);
4573 assert (cmd_ctx != NULL);
4574
4575 if (goi->argc < 3) {
4576 Jim_WrongNumArgs(goi->interp, 1, goi->argv, "?name? ?type? ..options...");
4577 return JIM_ERR;
4578 }
4579
4580 /* COMMAND */
4581 Jim_GetOpt_Obj(goi, &new_cmd);
4582 /* does this command exist? */
4583 cmd = Jim_GetCommand(goi->interp, new_cmd, JIM_ERRMSG);
4584 if (cmd) {
4585 cp = Jim_GetString(new_cmd, NULL);
4586 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
4587 return JIM_ERR;
4588 }
4589
4590 /* TYPE */
4591 e = Jim_GetOpt_String(goi, &cp2, NULL);
4592 cp = cp2;
4593 /* now does target type exist */
4594 for (x = 0 ; target_types[x] ; x++) {
4595 if (0 == strcmp(cp, target_types[x]->name)) {
4596 /* found */
4597 break;
4598 }
4599 }
4600 if (target_types[x] == NULL) {
4601 Jim_SetResult_sprintf(goi->interp, "Unknown target type %s, try one of ", cp);
4602 for (x = 0 ; target_types[x] ; x++) {
4603 if (target_types[x + 1]) {
4604 Jim_AppendStrings(goi->interp,
4605 Jim_GetResult(goi->interp),
4606 target_types[x]->name,
4607 ", ", NULL);
4608 } else {
4609 Jim_AppendStrings(goi->interp,
4610 Jim_GetResult(goi->interp),
4611 " or ",
4612 target_types[x]->name,NULL);
4613 }
4614 }
4615 return JIM_ERR;
4616 }
4617
4618 /* Create it */
4619 target = calloc(1,sizeof(struct target));
4620 /* set target number */
4621 target->target_number = new_target_number();
4622
4623 /* allocate memory for each unique target type */
4624 target->type = (struct target_type*)calloc(1,sizeof(struct target_type));
4625
4626 memcpy(target->type, target_types[x], sizeof(struct target_type));
4627
4628 /* will be set by "-endian" */
4629 target->endianness = TARGET_ENDIAN_UNKNOWN;
4630
4631 target->working_area = 0x0;
4632 target->working_area_size = 0x0;
4633 target->working_areas = NULL;
4634 target->backup_working_area = 0;
4635
4636 target->state = TARGET_UNKNOWN;
4637 target->debug_reason = DBG_REASON_UNDEFINED;
4638 target->reg_cache = NULL;
4639 target->breakpoints = NULL;
4640 target->watchpoints = NULL;
4641 target->next = NULL;
4642 target->arch_info = NULL;
4643
4644 target->display = 1;
4645
4646 target->halt_issued = false;
4647
4648 /* initialize trace information */
4649 target->trace_info = malloc(sizeof(struct trace));
4650 target->trace_info->num_trace_points = 0;
4651 target->trace_info->trace_points_size = 0;
4652 target->trace_info->trace_points = NULL;
4653 target->trace_info->trace_history_size = 0;
4654 target->trace_info->trace_history = NULL;
4655 target->trace_info->trace_history_pos = 0;
4656 target->trace_info->trace_history_overflowed = 0;
4657
4658 target->dbgmsg = NULL;
4659 target->dbg_msg_enabled = 0;
4660
4661 target->endianness = TARGET_ENDIAN_UNKNOWN;
4662
4663 /* Do the rest as "configure" options */
4664 goi->isconfigure = 1;
4665 e = target_configure(goi, target);
4666
4667 if (target->tap == NULL)
4668 {
4669 Jim_SetResultString(goi->interp, "-chain-position required when creating target", -1);
4670 e = JIM_ERR;
4671 }
4672
4673 if (e != JIM_OK) {
4674 free(target->type);
4675 free(target);
4676 return e;
4677 }
4678
4679 if (target->endianness == TARGET_ENDIAN_UNKNOWN) {
4680 /* default endian to little if not specified */
4681 target->endianness = TARGET_LITTLE_ENDIAN;
4682 }
4683
4684 /* incase variant is not set */
4685 if (!target->variant)
4686 target->variant = strdup("");
4687
4688 cp = Jim_GetString(new_cmd, NULL);
4689 target->cmd_name = strdup(cp);
4690
4691 /* create the target specific commands */
4692 if (target->type->commands) {
4693 e = register_commands(cmd_ctx, NULL, target->type->commands);
4694 if (ERROR_OK != e)
4695 LOG_ERROR("unable to register '%s' commands", cp);
4696 }
4697 if (target->type->target_create) {
4698 (*(target->type->target_create))(target, goi->interp);
4699 }
4700
4701 /* append to end of list */
4702 {
4703 struct target **tpp;
4704 tpp = &(all_targets);
4705 while (*tpp) {
4706 tpp = &((*tpp)->next);
4707 }
4708 *tpp = target;
4709 }
4710
4711 /* now - create the new target name command */
4712 const const struct command_registration target_subcommands[] = {
4713 {
4714 .chain = target_instance_command_handlers,
4715 },
4716 {
4717 .chain = target->type->commands,
4718 },
4719 COMMAND_REGISTRATION_DONE
4720 };
4721 const const struct command_registration target_commands[] = {
4722 {
4723 .name = cp,
4724 .mode = COMMAND_ANY,
4725 .help = "target command group",
4726 .chain = target_subcommands,
4727 },
4728 COMMAND_REGISTRATION_DONE
4729 };
4730 e = register_commands(cmd_ctx, NULL, target_commands);
4731 if (ERROR_OK != e)
4732 return JIM_ERR;
4733
4734 struct command *c = command_find_in_context(cmd_ctx, cp);
4735 assert(c);
4736 command_set_handler_data(c, target);
4737
4738 return (ERROR_OK == e) ? JIM_OK : JIM_ERR;
4739 }
4740
4741 static int jim_target_current(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4742 {
4743 if (argc != 1)
4744 {
4745 Jim_WrongNumArgs(interp, 1, argv, "Too many parameters");
4746 return JIM_ERR;
4747 }
4748 struct command_context *cmd_ctx = current_command_context(interp);
4749 assert (cmd_ctx != NULL);
4750
4751 Jim_SetResultString(interp, get_current_target(cmd_ctx)->cmd_name, -1);
4752 return JIM_OK;
4753 }
4754
4755 static int jim_target_types(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4756 {
4757 if (argc != 1)
4758 {
4759 Jim_WrongNumArgs(interp, 1, argv, "Too many parameters");
4760 return JIM_ERR;
4761 }
4762 Jim_SetResult(interp, Jim_NewListObj(interp, NULL, 0));
4763 for (unsigned x = 0; NULL != target_types[x]; x++)
4764 {
4765 Jim_ListAppendElement(interp, Jim_GetResult(interp),
4766 Jim_NewStringObj(interp, target_types[x]->name, -1));
4767 }
4768 return JIM_OK;
4769 }
4770
4771 static int jim_target_names(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4772 {
4773 if (argc != 1)
4774 {
4775 Jim_WrongNumArgs(interp, 1, argv, "Too many parameters");
4776 return JIM_ERR;
4777 }
4778 Jim_SetResult(interp, Jim_NewListObj(interp, NULL, 0));
4779 struct target *target = all_targets;
4780 while (target)
4781 {
4782 Jim_ListAppendElement(interp, Jim_GetResult(interp),
4783 Jim_NewStringObj(interp, target_name(target), -1));
4784 target = target->next;
4785 }
4786 return JIM_OK;
4787 }
4788
4789 static int jim_target_create(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4790 {
4791 Jim_GetOptInfo goi;
4792 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4793 if (goi.argc < 3)
4794 {
4795 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv,
4796 "<name> <target_type> [<target_options> ...]");
4797 return JIM_ERR;
4798 }
4799 return target_create(&goi);
4800 }
4801
4802 static int jim_target_number(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4803 {
4804 Jim_GetOptInfo goi;
4805 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
4806
4807 /* It's OK to remove this mechanism sometime after August 2010 or so */
4808 LOG_WARNING("don't use numbers as target identifiers; use names");
4809 if (goi.argc != 1)
4810 {
4811 Jim_SetResult_sprintf(goi.interp, "usage: target number <number>");
4812 return JIM_ERR;
4813 }
4814 jim_wide w;
4815 int e = Jim_GetOpt_Wide(&goi, &w);
4816 if (e != JIM_OK)
4817 return JIM_ERR;
4818
4819 struct target *target;
4820 for (target = all_targets; NULL != target; target = target->next)
4821 {
4822 if (target->target_number != w)
4823 continue;
4824
4825 Jim_SetResultString(goi.interp, target_name(target), -1);
4826 return JIM_OK;
4827 }
4828 Jim_SetResult_sprintf(goi.interp,
4829 "Target: number %d does not exist", (int)(w));
4830 return JIM_ERR;
4831 }
4832
4833 static int jim_target_count(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4834 {
4835 if (argc != 1)
4836 {
4837 Jim_WrongNumArgs(interp, 1, argv, "<no parameters>");
4838 return JIM_ERR;
4839 }
4840 unsigned count = 0;
4841 struct target *target = all_targets;
4842 while (NULL != target)
4843 {
4844 target = target->next;
4845 count++;
4846 }
4847 Jim_SetResult(interp, Jim_NewIntObj(interp, count));
4848 return JIM_OK;
4849 }
4850
4851 static const struct command_registration target_subcommand_handlers[] = {
4852 {
4853 .name = "init",
4854 .mode = COMMAND_CONFIG,
4855 .handler = handle_target_init_command,
4856 .help = "initialize targets",
4857 },
4858 {
4859 .name = "create",
4860 /* REVISIT this should be COMMAND_CONFIG ... */
4861 .mode = COMMAND_ANY,
4862 .jim_handler = jim_target_create,
4863 .usage = "name type '-chain-position' name [options ...]",
4864 .help = "Creates and selects a new target",
4865 },
4866 {
4867 .name = "current",
4868 .mode = COMMAND_ANY,
4869 .jim_handler = jim_target_current,
4870 .help = "Returns the currently selected target",
4871 },
4872 {
4873 .name = "types",
4874 .mode = COMMAND_ANY,
4875 .jim_handler = jim_target_types,
4876 .help = "Returns the available target types as "
4877 "a list of strings",
4878 },
4879 {
4880 .name = "names",
4881 .mode = COMMAND_ANY,
4882 .jim_handler = jim_target_names,
4883 .help = "Returns the names of all targets as a list of strings",
4884 },
4885 {
4886 .name = "number",
4887 .mode = COMMAND_ANY,
4888 .jim_handler = jim_target_number,
4889 .usage = "number",
4890 .help = "Returns the name of the numbered target "
4891 "(DEPRECATED)",
4892 },
4893 {
4894 .name = "count",
4895 .mode = COMMAND_ANY,
4896 .jim_handler = jim_target_count,
4897 .help = "Returns the number of targets as an integer "
4898 "(DEPRECATED)",
4899 },
4900 COMMAND_REGISTRATION_DONE
4901 };
4902
4903 struct FastLoad
4904 {
4905 uint32_t address;
4906 uint8_t *data;
4907 int length;
4908
4909 };
4910
4911 static int fastload_num;
4912 static struct FastLoad *fastload;
4913
4914 static void free_fastload(void)
4915 {
4916 if (fastload != NULL)
4917 {
4918 int i;
4919 for (i = 0; i < fastload_num; i++)
4920 {
4921 if (fastload[i].data)
4922 free(fastload[i].data);
4923 }
4924 free(fastload);
4925 fastload = NULL;
4926 }
4927 }
4928
4929
4930
4931
4932 COMMAND_HANDLER(handle_fast_load_image_command)
4933 {
4934 uint8_t *buffer;
4935 size_t buf_cnt;
4936 uint32_t image_size;
4937 uint32_t min_address = 0;
4938 uint32_t max_address = 0xffffffff;
4939 int i;
4940
4941 struct image image;
4942
4943 int retval = CALL_COMMAND_HANDLER(parse_load_image_command_CMD_ARGV,
4944 &image, &min_address, &max_address);
4945 if (ERROR_OK != retval)
4946 return retval;
4947
4948 struct duration bench;
4949 duration_start(&bench);
4950
4951 if (image_open(&image, CMD_ARGV[0], (CMD_ARGC >= 3) ? CMD_ARGV[2] : NULL) != ERROR_OK)
4952 {
4953 return ERROR_OK;
4954 }
4955
4956 image_size = 0x0;
4957 retval = ERROR_OK;
4958 fastload_num = image.num_sections;
4959 fastload = (struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
4960 if (fastload == NULL)
4961 {
4962 image_close(&image);
4963 return ERROR_FAIL;
4964 }
4965 memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
4966 for (i = 0; i < image.num_sections; i++)
4967 {
4968 buffer = malloc(image.sections[i].size);
4969 if (buffer == NULL)
4970 {
4971 command_print(CMD_CTX, "error allocating buffer for section (%d bytes)",
4972 (int)(image.sections[i].size));
4973 break;
4974 }
4975
4976 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
4977 {
4978 free(buffer);
4979 break;
4980 }
4981
4982 uint32_t offset = 0;
4983 uint32_t length = buf_cnt;
4984
4985
4986 /* DANGER!!! beware of unsigned comparision here!!! */
4987
4988 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
4989 (image.sections[i].base_address < max_address))
4990 {
4991 if (image.sections[i].base_address < min_address)
4992 {
4993 /* clip addresses below */
4994 offset += min_address-image.sections[i].base_address;
4995 length -= offset;
4996 }
4997
4998 if (image.sections[i].base_address + buf_cnt > max_address)
4999 {
5000 length -= (image.sections[i].base_address + buf_cnt)-max_address;
5001 }
5002
5003 fastload[i].address = image.sections[i].base_address + offset;
5004 fastload[i].data = malloc(length);
5005 if (fastload[i].data == NULL)
5006 {
5007 free(buffer);
5008 break;
5009 }
5010 memcpy(fastload[i].data, buffer + offset, length);
5011 fastload[i].length = length;
5012
5013 image_size += length;
5014 command_print(CMD_CTX, "%u bytes written at address 0x%8.8x",
5015 (unsigned int)length,
5016 ((unsigned int)(image.sections[i].base_address + offset)));
5017 }
5018
5019 free(buffer);
5020 }
5021
5022 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
5023 {
5024 command_print(CMD_CTX, "Loaded %" PRIu32 " bytes "
5025 "in %fs (%0.3f KiB/s)", image_size,
5026 duration_elapsed(&bench), duration_kbps(&bench, image_size));
5027
5028 command_print(CMD_CTX,
5029 "WARNING: image has not been loaded to target!"
5030 "You can issue a 'fast_load' to finish loading.");
5031 }
5032
5033 image_close(&image);
5034
5035 if (retval != ERROR_OK)
5036 {
5037 free_fastload();
5038 }
5039
5040 return retval;
5041 }
5042
5043 COMMAND_HANDLER(handle_fast_load_command)
5044 {
5045 if (CMD_ARGC > 0)
5046 return ERROR_COMMAND_SYNTAX_ERROR;
5047 if (fastload == NULL)
5048 {
5049 LOG_ERROR("No image in memory");
5050 return ERROR_FAIL;
5051 }
5052 int i;
5053 int ms = timeval_ms();
5054 int size = 0;
5055 int retval = ERROR_OK;
5056 for (i = 0; i < fastload_num;i++)
5057 {
5058 struct target *target = get_current_target(CMD_CTX);
5059 command_print(CMD_CTX, "Write to 0x%08x, length 0x%08x",
5060 (unsigned int)(fastload[i].address),
5061 (unsigned int)(fastload[i].length));
5062 if (retval == ERROR_OK)
5063 {
5064 retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
5065 }
5066 size += fastload[i].length;
5067 }
5068 int after = timeval_ms();
5069 command_print(CMD_CTX, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
5070 return retval;
5071 }
5072
5073 static const struct command_registration target_command_handlers[] = {
5074 {
5075 .name = "targets",
5076 .handler = handle_targets_command,
5077 .mode = COMMAND_ANY,
5078 .help = "change current default target (one parameter) "
5079 "or prints table of all targets (no parameters)",
5080 .usage = "[target]",
5081 },
5082 {
5083 .name = "target",
5084 .mode = COMMAND_CONFIG,
5085 .help = "configure target",
5086
5087 .chain = target_subcommand_handlers,
5088 },
5089 COMMAND_REGISTRATION_DONE
5090 };
5091
5092 int target_register_commands(struct command_context *cmd_ctx)
5093 {
5094 return register_commands(cmd_ctx, NULL, target_command_handlers);
5095 }
5096
5097 static bool target_reset_nag = true;
5098
5099 bool get_target_reset_nag(void)
5100 {
5101 return target_reset_nag;
5102 }
5103
5104 COMMAND_HANDLER(handle_target_reset_nag)
5105 {
5106 return CALL_COMMAND_HANDLER(handle_command_parse_bool,
5107 &target_reset_nag, "Nag after each reset about options to improve "
5108 "performance");
5109 }
5110
5111 static const struct command_registration target_exec_command_handlers[] = {
5112 {
5113 .name = "fast_load_image",
5114 .handler = handle_fast_load_image_command,
5115 .mode = COMMAND_ANY,
5116 .help = "Load image into server memory for later use by "
5117 "fast_load; primarily for profiling",
5118 .usage = "filename address ['bin'|'ihex'|'elf'|'s19'] "
5119 "[min_address [max_length]]",
5120 },
5121 {
5122 .name = "fast_load",
5123 .handler = handle_fast_load_command,
5124 .mode = COMMAND_EXEC,
5125 .help = "loads active fast load image to current target "
5126 "- mainly for profiling purposes",
5127 },
5128 {
5129 .name = "profile",
5130 .handler = handle_profile_command,
5131 .mode = COMMAND_EXEC,
5132 .help = "profiling samples the CPU PC",
5133 },
5134 /** @todo don't register virt2phys() unless target supports it */
5135 {
5136 .name = "virt2phys",
5137 .handler = handle_virt2phys_command,
5138 .mode = COMMAND_ANY,
5139 .help = "translate a virtual address into a physical address",
5140 .usage = "virtual_address",
5141 },
5142 {
5143 .name = "reg",
5144 .handler = handle_reg_command,
5145 .mode = COMMAND_EXEC,
5146 .help = "display or set a register; with no arguments, "
5147 "displays all registers and their values",
5148 .usage = "[(register_name|register_number) [value]]",
5149 },
5150 {
5151 .name = "poll",
5152 .handler = handle_poll_command,
5153 .mode = COMMAND_EXEC,
5154 .help = "poll target state; or reconfigure background polling",
5155 .usage = "['on'|'off']",
5156 },
5157 {
5158 .name = "wait_halt",
5159 .handler = handle_wait_halt_command,
5160 .mode = COMMAND_EXEC,
5161 .help = "wait up to the specified number of milliseconds "
5162 "(default 5) for a previously requested halt",
5163 .usage = "[milliseconds]",
5164 },
5165 {
5166 .name = "halt",
5167 .handler = handle_halt_command,
5168 .mode = COMMAND_EXEC,
5169 .help = "request target to halt, then wait up to the specified"
5170 "number of milliseconds (default 5) for it to complete",
5171 .usage = "[milliseconds]",
5172 },
5173 {
5174 .name = "resume",
5175 .handler = handle_resume_command,
5176 .mode = COMMAND_EXEC,
5177 .help = "resume target execution from current PC or address",
5178 .usage = "[address]",
5179 },
5180 {
5181 .name = "reset",
5182 .handler = handle_reset_command,
5183 .mode = COMMAND_EXEC,
5184 .usage = "[run|halt|init]",
5185 .help = "Reset all targets into the specified mode."
5186 "Default reset mode is run, if not given.",
5187 },
5188 {
5189 .name = "soft_reset_halt",
5190 .handler = handle_soft_reset_halt_command,
5191 .mode = COMMAND_EXEC,
5192 .help = "halt the target and do a soft reset",
5193 },
5194 {
5195 .name = "step",
5196 .handler = handle_step_command,
5197 .mode = COMMAND_EXEC,
5198 .help = "step one instruction from current PC or address",
5199 .usage = "[address]",
5200 },
5201 {
5202 .name = "mdw",
5203 .handler = handle_md_command,
5204 .mode = COMMAND_EXEC,
5205 .help = "display memory words",
5206 .usage = "['phys'] address [count]",
5207 },
5208 {
5209 .name = "mdh",
5210 .handler = handle_md_command,
5211 .mode = COMMAND_EXEC,
5212 .help = "display memory half-words",
5213 .usage = "['phys'] address [count]",
5214 },
5215 {
5216 .name = "mdb",
5217 .handler = handle_md_command,
5218 .mode = COMMAND_EXEC,
5219 .help = "display memory bytes",
5220 .usage = "['phys'] address [count]",
5221 },
5222 {
5223 .name = "mww",
5224 .handler = handle_mw_command,
5225 .mode = COMMAND_EXEC,
5226 .help = "write memory word",
5227 .usage = "['phys'] address value [count]",
5228 },
5229 {
5230 .name = "mwh",
5231 .handler = handle_mw_command,
5232 .mode = COMMAND_EXEC,
5233 .help = "write memory half-word",
5234 .usage = "['phys'] address value [count]",
5235 },
5236 {
5237 .name = "mwb",
5238 .handler = handle_mw_command,
5239 .mode = COMMAND_EXEC,
5240 .help = "write memory byte",
5241 .usage = "['phys'] address value [count]",
5242 },
5243 {
5244 .name = "bp",
5245 .handler = handle_bp_command,
5246 .mode = COMMAND_EXEC,
5247 .help = "list or set hardware or software breakpoint",
5248 .usage = "[address length ['hw']]",
5249 },
5250 {
5251 .name = "rbp",
5252 .handler = handle_rbp_command,
5253 .mode = COMMAND_EXEC,
5254 .help = "remove breakpoint",
5255 .usage = "address",
5256 },
5257 {
5258 .name = "wp",
5259 .handler = handle_wp_command,
5260 .mode = COMMAND_EXEC,
5261 .help = "list (no params) or create watchpoints",
5262 .usage = "[address length [('r'|'w'|'a') value [mask]]]",
5263 },
5264 {
5265 .name = "rwp",
5266 .handler = handle_rwp_command,
5267 .mode = COMMAND_EXEC,
5268 .help = "remove watchpoint",
5269 .usage = "address",
5270 },
5271 {
5272 .name = "load_image",
5273 .handler = handle_load_image_command,
5274 .mode = COMMAND_EXEC,
5275 .usage = "filename address ['bin'|'ihex'|'elf'|'s19'] "
5276 "[min_address] [max_length]",
5277 },
5278 {
5279 .name = "dump_image",
5280 .handler = handle_dump_image_command,
5281 .mode = COMMAND_EXEC,
5282 .usage = "filename address size",
5283 },
5284 {
5285 .name = "verify_image",
5286 .handler = handle_verify_image_command,
5287 .mode = COMMAND_EXEC,
5288 .usage = "filename [offset [type]]",
5289 },
5290 {
5291 .name = "test_image",
5292 .handler = handle_test_image_command,
5293 .mode = COMMAND_EXEC,
5294 .usage = "filename [offset [type]]",
5295 },
5296 {
5297 .name = "mem2array",
5298 .mode = COMMAND_EXEC,
5299 .jim_handler = jim_mem2array,
5300 .help = "read 8/16/32 bit memory and return as a TCL array "
5301 "for script processing",
5302 .usage = "arrayname bitwidth address count",
5303 },
5304 {
5305 .name = "array2mem",
5306 .mode = COMMAND_EXEC,
5307 .jim_handler = jim_array2mem,
5308 .help = "convert a TCL array to memory locations "
5309 "and write the 8/16/32 bit values",
5310 .usage = "arrayname bitwidth address count",
5311 },
5312 {
5313 .name = "reset_nag",
5314 .handler = handle_target_reset_nag,
5315 .mode = COMMAND_ANY,
5316 .help = "Nag after each reset about options that could have been "
5317 "enabled to improve performance. ",
5318 .usage = "['enable'|'disable']",
5319 },
5320 COMMAND_REGISTRATION_DONE
5321 };
5322 static int target_register_user_commands(struct command_context *cmd_ctx)
5323 {
5324 int retval = ERROR_OK;
5325 if ((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
5326 return retval;
5327
5328 if ((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
5329 return retval;
5330
5331
5332 return register_commands(cmd_ctx, NULL, target_exec_command_handlers);
5333 }
Marex's Cortex A8 development branch