?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Target: fix bad error messages
[openocd/genbsdl.git] / src / target / target.c
blobb7df1d8841990f12bb71c1a84dea67ab72648815
1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
4 * *
5 * Copyright (C) 2007-2009 Øyvind Harboe *
6 * oyvind.harboe@zylin.com *
7 * *
8 * Copyright (C) 2008, Duane Ellis *
9 * openocd@duaneeellis.com *
10 * *
11 * Copyright (C) 2008 by Spencer Oliver *
12 * spen@spen-soft.co.uk *
13 * *
14 * Copyright (C) 2008 by Rick Altherr *
15 * kc8apf@kc8apf.net> *
16 * *
17 * This program is free software; you can redistribute it and/or modify *
18 * it under the terms of the GNU General Public License as published by *
19 * the Free Software Foundation; either version 2 of the License, or *
20 * (at your option) any later version. *
21 * *
22 * This program is distributed in the hope that it will be useful, *
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
25 * GNU General Public License for more details. *
26 * *
27 * You should have received a copy of the GNU General Public License *
28 * along with this program; if not, write to the *
29 * Free Software Foundation, Inc., *
30 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
31 ***************************************************************************/
32 #ifdef HAVE_CONFIG_H
33 #include "config.h"
34 #endif
35
36 #include "target.h"
37 #include "target_type.h"
38 #include "target_request.h"
39 #include "time_support.h"
40 #include "register.h"
41 #include "trace.h"
42 #include "image.h"
43 #include "jtag.h"
44
45
46 static int jim_mcrmrc(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
47
48 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
49 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
50
51 /* targets */
52 extern target_type_t arm7tdmi_target;
53 extern target_type_t arm720t_target;
54 extern target_type_t arm9tdmi_target;
55 extern target_type_t arm920t_target;
56 extern target_type_t arm966e_target;
57 extern target_type_t arm926ejs_target;
58 extern target_type_t fa526_target;
59 extern target_type_t feroceon_target;
60 extern target_type_t dragonite_target;
61 extern target_type_t xscale_target;
62 extern target_type_t cortexm3_target;
63 extern target_type_t cortexa8_target;
64 extern target_type_t arm11_target;
65 extern target_type_t mips_m4k_target;
66 extern target_type_t avr_target;
67
68 target_type_t *target_types[] =
69 {
70 &arm7tdmi_target,
71 &arm9tdmi_target,
72 &arm920t_target,
73 &arm720t_target,
74 &arm966e_target,
75 &arm926ejs_target,
76 &fa526_target,
77 &feroceon_target,
78 &dragonite_target,
79 &xscale_target,
80 &cortexm3_target,
81 &cortexa8_target,
82 &arm11_target,
83 &mips_m4k_target,
84 &avr_target,
85 NULL,
86 };
87
88 target_t *all_targets = NULL;
89 target_event_callback_t *target_event_callbacks = NULL;
90 target_timer_callback_t *target_timer_callbacks = NULL;
91
92 const Jim_Nvp nvp_assert[] = {
93 { .name = "assert", NVP_ASSERT },
94 { .name = "deassert", NVP_DEASSERT },
95 { .name = "T", NVP_ASSERT },
96 { .name = "F", NVP_DEASSERT },
97 { .name = "t", NVP_ASSERT },
98 { .name = "f", NVP_DEASSERT },
99 { .name = NULL, .value = -1 }
100 };
101
102 const Jim_Nvp nvp_error_target[] = {
103 { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
104 { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
105 { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
106 { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
107 { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
108 { .value = ERROR_TARGET_UNALIGNED_ACCESS , .name = "err-unaligned-access" },
109 { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
110 { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
111 { .value = ERROR_TARGET_TRANSLATION_FAULT , .name = "err-translation-fault" },
112 { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
113 { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
114 { .value = -1, .name = NULL }
115 };
116
117 const char *target_strerror_safe(int err)
118 {
119 const Jim_Nvp *n;
120
121 n = Jim_Nvp_value2name_simple(nvp_error_target, err);
122 if (n->name == NULL) {
123 return "unknown";
124 } else {
125 return n->name;
126 }
127 }
128
129 static const Jim_Nvp nvp_target_event[] = {
130 { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
131 { .value = TARGET_EVENT_OLD_pre_resume , .name = "old-pre_resume" },
132
133 { .value = TARGET_EVENT_GDB_HALT, .name = "gdb-halt" },
134 { .value = TARGET_EVENT_HALTED, .name = "halted" },
135 { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
136 { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
137 { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
138
139 { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
140 { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
141
142 /* historical name */
143
144 { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
145
146 { .value = TARGET_EVENT_RESET_ASSERT_PRE, .name = "reset-assert-pre" },
147 { .value = TARGET_EVENT_RESET_ASSERT_POST, .name = "reset-assert-post" },
148 { .value = TARGET_EVENT_RESET_DEASSERT_PRE, .name = "reset-deassert-pre" },
149 { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
150 { .value = TARGET_EVENT_RESET_HALT_PRE, .name = "reset-halt-pre" },
151 { .value = TARGET_EVENT_RESET_HALT_POST, .name = "reset-halt-post" },
152 { .value = TARGET_EVENT_RESET_WAIT_PRE, .name = "reset-wait-pre" },
153 { .value = TARGET_EVENT_RESET_WAIT_POST, .name = "reset-wait-post" },
154 { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
155 { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
156
157 { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
158 { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
159
160 { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
161 { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
162
163 { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
164 { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
165
166 { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
167 { .value = TARGET_EVENT_GDB_FLASH_WRITE_END , .name = "gdb-flash-write-end" },
168
169 { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
170 { .value = TARGET_EVENT_GDB_FLASH_ERASE_END , .name = "gdb-flash-erase-end" },
171
172 { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
173 { .value = TARGET_EVENT_RESUMED , .name = "resume-ok" },
174 { .value = TARGET_EVENT_RESUME_END , .name = "resume-end" },
175
176 { .name = NULL, .value = -1 }
177 };
178
179 const Jim_Nvp nvp_target_state[] = {
180 { .name = "unknown", .value = TARGET_UNKNOWN },
181 { .name = "running", .value = TARGET_RUNNING },
182 { .name = "halted", .value = TARGET_HALTED },
183 { .name = "reset", .value = TARGET_RESET },
184 { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
185 { .name = NULL, .value = -1 },
186 };
187
188 const Jim_Nvp nvp_target_debug_reason [] = {
189 { .name = "debug-request" , .value = DBG_REASON_DBGRQ },
190 { .name = "breakpoint" , .value = DBG_REASON_BREAKPOINT },
191 { .name = "watchpoint" , .value = DBG_REASON_WATCHPOINT },
192 { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
193 { .name = "single-step" , .value = DBG_REASON_SINGLESTEP },
194 { .name = "target-not-halted" , .value = DBG_REASON_NOTHALTED },
195 { .name = "undefined" , .value = DBG_REASON_UNDEFINED },
196 { .name = NULL, .value = -1 },
197 };
198
199 const Jim_Nvp nvp_target_endian[] = {
200 { .name = "big", .value = TARGET_BIG_ENDIAN },
201 { .name = "little", .value = TARGET_LITTLE_ENDIAN },
202 { .name = "be", .value = TARGET_BIG_ENDIAN },
203 { .name = "le", .value = TARGET_LITTLE_ENDIAN },
204 { .name = NULL, .value = -1 },
205 };
206
207 const Jim_Nvp nvp_reset_modes[] = {
208 { .name = "unknown", .value = RESET_UNKNOWN },
209 { .name = "run" , .value = RESET_RUN },
210 { .name = "halt" , .value = RESET_HALT },
211 { .name = "init" , .value = RESET_INIT },
212 { .name = NULL , .value = -1 },
213 };
214
215 const char *
216 target_state_name( target_t *t )
217 {
218 const char *cp;
219 cp = Jim_Nvp_value2name_simple(nvp_target_state, t->state)->name;
220 if( !cp ){
221 LOG_ERROR("Invalid target state: %d", (int)(t->state));
222 cp = "(*BUG*unknown*BUG*)";
223 }
224 return cp;
225 }
226
227 /* determine the number of the new target */
228 static int new_target_number(void)
229 {
230 target_t *t;
231 int x;
232
233 /* number is 0 based */
234 x = -1;
235 t = all_targets;
236 while (t) {
237 if (x < t->target_number) {
238 x = t->target_number;
239 }
240 t = t->next;
241 }
242 return x + 1;
243 }
244
245 /* read a uint32_t from a buffer in target memory endianness */
246 uint32_t target_buffer_get_u32(target_t *target, const uint8_t *buffer)
247 {
248 if (target->endianness == TARGET_LITTLE_ENDIAN)
249 return le_to_h_u32(buffer);
250 else
251 return be_to_h_u32(buffer);
252 }
253
254 /* read a uint16_t from a buffer in target memory endianness */
255 uint16_t target_buffer_get_u16(target_t *target, const uint8_t *buffer)
256 {
257 if (target->endianness == TARGET_LITTLE_ENDIAN)
258 return le_to_h_u16(buffer);
259 else
260 return be_to_h_u16(buffer);
261 }
262
263 /* read a uint8_t from a buffer in target memory endianness */
264 uint8_t target_buffer_get_u8(target_t *target, const uint8_t *buffer)
265 {
266 return *buffer & 0x0ff;
267 }
268
269 /* write a uint32_t to a buffer in target memory endianness */
270 void target_buffer_set_u32(target_t *target, uint8_t *buffer, uint32_t value)
271 {
272 if (target->endianness == TARGET_LITTLE_ENDIAN)
273 h_u32_to_le(buffer, value);
274 else
275 h_u32_to_be(buffer, value);
276 }
277
278 /* write a uint16_t to a buffer in target memory endianness */
279 void target_buffer_set_u16(target_t *target, uint8_t *buffer, uint16_t value)
280 {
281 if (target->endianness == TARGET_LITTLE_ENDIAN)
282 h_u16_to_le(buffer, value);
283 else
284 h_u16_to_be(buffer, value);
285 }
286
287 /* write a uint8_t to a buffer in target memory endianness */
288 void target_buffer_set_u8(target_t *target, uint8_t *buffer, uint8_t value)
289 {
290 *buffer = value;
291 }
292
293 /* return a pointer to a configured target; id is name or number */
294 target_t *get_target(const char *id)
295 {
296 target_t *target;
297
298 /* try as tcltarget name */
299 for (target = all_targets; target; target = target->next) {
300 if (target->cmd_name == NULL)
301 continue;
302 if (strcmp(id, target->cmd_name) == 0)
303 return target;
304 }
305
306 /* It's OK to remove this fallback sometime after August 2010 or so */
307
308 /* no match, try as number */
309 unsigned num;
310 if (parse_uint(id, &num) != ERROR_OK)
311 return NULL;
312
313 for (target = all_targets; target; target = target->next) {
314 if (target->target_number == (int)num) {
315 LOG_WARNING("use '%s' as target identifier, not '%u'",
316 target->cmd_name, num);
317 return target;
318 }
319 }
320
321 return NULL;
322 }
323
324 /* returns a pointer to the n-th configured target */
325 static target_t *get_target_by_num(int num)
326 {
327 target_t *target = all_targets;
328
329 while (target) {
330 if (target->target_number == num) {
331 return target;
332 }
333 target = target->next;
334 }
335
336 return NULL;
337 }
338
339 target_t* get_current_target(command_context_t *cmd_ctx)
340 {
341 target_t *target = get_target_by_num(cmd_ctx->current_target);
342
343 if (target == NULL)
344 {
345 LOG_ERROR("BUG: current_target out of bounds");
346 exit(-1);
347 }
348
349 return target;
350 }
351
352 int target_poll(struct target_s *target)
353 {
354 int retval;
355
356 /* We can't poll until after examine */
357 if (!target_was_examined(target))
358 {
359 /* Fail silently lest we pollute the log */
360 return ERROR_FAIL;
361 }
362
363 retval = target->type->poll(target);
364 if (retval != ERROR_OK)
365 return retval;
366
367 if (target->halt_issued)
368 {
369 if (target->state == TARGET_HALTED)
370 {
371 target->halt_issued = false;
372 } else
373 {
374 long long t = timeval_ms() - target->halt_issued_time;
375 if (t>1000)
376 {
377 target->halt_issued = false;
378 LOG_INFO("Halt timed out, wake up GDB.");
379 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
380 }
381 }
382 }
383
384 return ERROR_OK;
385 }
386
387 int target_halt(struct target_s *target)
388 {
389 int retval;
390 /* We can't poll until after examine */
391 if (!target_was_examined(target))
392 {
393 LOG_ERROR("Target not examined yet");
394 return ERROR_FAIL;
395 }
396
397 retval = target->type->halt(target);
398 if (retval != ERROR_OK)
399 return retval;
400
401 target->halt_issued = true;
402 target->halt_issued_time = timeval_ms();
403
404 return ERROR_OK;
405 }
406
407 int target_resume(struct target_s *target, int current, uint32_t address, int handle_breakpoints, int debug_execution)
408 {
409 int retval;
410
411 /* We can't poll until after examine */
412 if (!target_was_examined(target))
413 {
414 LOG_ERROR("Target not examined yet");
415 return ERROR_FAIL;
416 }
417
418 /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
419 * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
420 * the application.
421 */
422 if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
423 return retval;
424
425 return retval;
426 }
427
428 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
429 {
430 char buf[100];
431 int retval;
432 Jim_Nvp *n;
433 n = Jim_Nvp_value2name_simple(nvp_reset_modes, reset_mode);
434 if (n->name == NULL) {
435 LOG_ERROR("invalid reset mode");
436 return ERROR_FAIL;
437 }
438
439 /* disable polling during reset to make reset event scripts
440 * more predictable, i.e. dr/irscan & pathmove in events will
441 * not have JTAG operations injected into the middle of a sequence.
442 */
443 bool save_poll = jtag_poll_get_enabled();
444
445 jtag_poll_set_enabled(false);
446
447 sprintf(buf, "ocd_process_reset %s", n->name);
448 retval = Jim_Eval(interp, buf);
449
450 jtag_poll_set_enabled(save_poll);
451
452 if (retval != JIM_OK) {
453 Jim_PrintErrorMessage(interp);
454 return ERROR_FAIL;
455 }
456
457 /* We want any events to be processed before the prompt */
458 retval = target_call_timer_callbacks_now();
459
460 return retval;
461 }
462
463 static int default_virt2phys(struct target_s *target, uint32_t virtual, uint32_t *physical)
464 {
465 *physical = virtual;
466 return ERROR_OK;
467 }
468
469 static int default_mmu(struct target_s *target, int *enabled)
470 {
471 *enabled = 0;
472 return ERROR_OK;
473 }
474
475 static int default_examine(struct target_s *target)
476 {
477 target_set_examined(target);
478 return ERROR_OK;
479 }
480
481 int target_examine_one(struct target_s *target)
482 {
483 return target->type->examine(target);
484 }
485
486 static int jtag_enable_callback(enum jtag_event event, void *priv)
487 {
488 target_t *target = priv;
489
490 if (event != JTAG_TAP_EVENT_ENABLE || !target->tap->enabled)
491 return ERROR_OK;
492
493 jtag_unregister_event_callback(jtag_enable_callback, target);
494 return target_examine_one(target);
495 }
496
497
498 /* Targets that correctly implement init + examine, i.e.
499 * no communication with target during init:
500 *
501 * XScale
502 */
503 int target_examine(void)
504 {
505 int retval = ERROR_OK;
506 target_t *target;
507
508 for (target = all_targets; target; target = target->next)
509 {
510 /* defer examination, but don't skip it */
511 if (!target->tap->enabled) {
512 jtag_register_event_callback(jtag_enable_callback,
513 target);
514 continue;
515 }
516 if ((retval = target_examine_one(target)) != ERROR_OK)
517 return retval;
518 }
519 return retval;
520 }
521 const char *target_get_name(struct target_s *target)
522 {
523 return target->type->name;
524 }
525
526 static int target_write_memory_imp(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
527 {
528 if (!target_was_examined(target))
529 {
530 LOG_ERROR("Target not examined yet");
531 return ERROR_FAIL;
532 }
533 return target->type->write_memory_imp(target, address, size, count, buffer);
534 }
535
536 static int target_read_memory_imp(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
537 {
538 if (!target_was_examined(target))
539 {
540 LOG_ERROR("Target not examined yet");
541 return ERROR_FAIL;
542 }
543 return target->type->read_memory_imp(target, address, size, count, buffer);
544 }
545
546 static int target_soft_reset_halt_imp(struct target_s *target)
547 {
548 if (!target_was_examined(target))
549 {
550 LOG_ERROR("Target not examined yet");
551 return ERROR_FAIL;
552 }
553 if (!target->type->soft_reset_halt_imp) {
554 LOG_ERROR("Target %s does not support soft_reset_halt",
555 target->cmd_name);
556 return ERROR_FAIL;
557 }
558 return target->type->soft_reset_halt_imp(target);
559 }
560
561 static int target_run_algorithm_imp(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_param, uint32_t entry_point, uint32_t exit_point, int timeout_ms, void *arch_info)
562 {
563 if (!target_was_examined(target))
564 {
565 LOG_ERROR("Target not examined yet");
566 return ERROR_FAIL;
567 }
568 return target->type->run_algorithm_imp(target, num_mem_params, mem_params, num_reg_params, reg_param, entry_point, exit_point, timeout_ms, arch_info);
569 }
570
571 int target_read_memory(struct target_s *target,
572 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
573 {
574 return target->type->read_memory(target, address, size, count, buffer);
575 }
576
577 int target_read_phys_memory(struct target_s *target,
578 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
579 {
580 return target->type->read_phys_memory(target, address, size, count, buffer);
581 }
582
583 int target_write_memory(struct target_s *target,
584 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
585 {
586 return target->type->write_memory(target, address, size, count, buffer);
587 }
588
589 int target_write_phys_memory(struct target_s *target,
590 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
591 {
592 return target->type->write_phys_memory(target, address, size, count, buffer);
593 }
594
595 int target_bulk_write_memory(struct target_s *target,
596 uint32_t address, uint32_t count, uint8_t *buffer)
597 {
598 return target->type->bulk_write_memory(target, address, count, buffer);
599 }
600
601 int target_add_breakpoint(struct target_s *target,
602 struct breakpoint_s *breakpoint)
603 {
604 return target->type->add_breakpoint(target, breakpoint);
605 }
606 int target_remove_breakpoint(struct target_s *target,
607 struct breakpoint_s *breakpoint)
608 {
609 return target->type->remove_breakpoint(target, breakpoint);
610 }
611
612 int target_add_watchpoint(struct target_s *target,
613 struct watchpoint_s *watchpoint)
614 {
615 return target->type->add_watchpoint(target, watchpoint);
616 }
617 int target_remove_watchpoint(struct target_s *target,
618 struct watchpoint_s *watchpoint)
619 {
620 return target->type->remove_watchpoint(target, watchpoint);
621 }
622
623 int target_get_gdb_reg_list(struct target_s *target,
624 struct reg_s **reg_list[], int *reg_list_size)
625 {
626 return target->type->get_gdb_reg_list(target, reg_list, reg_list_size);
627 }
628 int target_step(struct target_s *target,
629 int current, uint32_t address, int handle_breakpoints)
630 {
631 return target->type->step(target, current, address, handle_breakpoints);
632 }
633
634
635 int target_run_algorithm(struct target_s *target,
636 int num_mem_params, mem_param_t *mem_params,
637 int num_reg_params, reg_param_t *reg_param,
638 uint32_t entry_point, uint32_t exit_point,
639 int timeout_ms, void *arch_info)
640 {
641 return target->type->run_algorithm(target,
642 num_mem_params, mem_params, num_reg_params, reg_param,
643 entry_point, exit_point, timeout_ms, arch_info);
644 }
645
646 /// @returns @c true if the target has been examined.
647 bool target_was_examined(struct target_s *target)
648 {
649 return target->type->examined;
650 }
651 /// Sets the @c examined flag for the given target.
652 void target_set_examined(struct target_s *target)
653 {
654 target->type->examined = true;
655 }
656 // Reset the @c examined flag for the given target.
657 void target_reset_examined(struct target_s *target)
658 {
659 target->type->examined = false;
660 }
661
662
663
664 static int default_mrc(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t *value)
665 {
666 LOG_ERROR("Not implemented: %s", __func__);
667 return ERROR_FAIL;
668 }
669
670 static int default_mcr(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t value)
671 {
672 LOG_ERROR("Not implemented: %s", __func__);
673 return ERROR_FAIL;
674 }
675
676 static int arm_cp_check(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm)
677 {
678 /* basic check */
679 if (!target_was_examined(target))
680 {
681 LOG_ERROR("Target not examined yet");
682 return ERROR_FAIL;
683 }
684
685 if ((cpnum <0) || (cpnum > 15))
686 {
687 LOG_ERROR("Illegal co-processor %d", cpnum);
688 return ERROR_FAIL;
689 }
690
691 if (op1 > 7)
692 {
693 LOG_ERROR("Illegal op1");
694 return ERROR_FAIL;
695 }
696
697 if (op2 > 7)
698 {
699 LOG_ERROR("Illegal op2");
700 return ERROR_FAIL;
701 }
702
703 if (CRn > 15)
704 {
705 LOG_ERROR("Illegal CRn");
706 return ERROR_FAIL;
707 }
708
709 if (CRm > 15)
710 {
711 LOG_ERROR("Illegal CRm");
712 return ERROR_FAIL;
713 }
714
715 return ERROR_OK;
716 }
717
718 int target_mrc(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t *value)
719 {
720 int retval;
721
722 retval = arm_cp_check(target, cpnum, op1, op2, CRn, CRm);
723 if (retval != ERROR_OK)
724 return retval;
725
726 return target->type->mrc(target, cpnum, op1, op2, CRn, CRm, value);
727 }
728
729 int target_mcr(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t value)
730 {
731 int retval;
732
733 retval = arm_cp_check(target, cpnum, op1, op2, CRn, CRm);
734 if (retval != ERROR_OK)
735 return retval;
736
737 return target->type->mcr(target, cpnum, op1, op2, CRn, CRm, value);
738 }
739
740 static int
741 default_read_phys_memory(struct target_s *target, uint32_t address,
742 uint32_t size, uint32_t count, uint8_t *buffer)
743 {
744 LOG_ERROR("Not implemented: %s", __func__);
745 return ERROR_FAIL;
746 }
747
748 static int
749 default_write_phys_memory(struct target_s *target, uint32_t address,
750 uint32_t size, uint32_t count, uint8_t *buffer)
751 {
752 LOG_ERROR("Not implemented: %s", __func__);
753 return ERROR_FAIL;
754 }
755
756 int target_init(struct command_context_s *cmd_ctx)
757 {
758 target_t *target = all_targets;
759 int retval;
760
761 while (target)
762 {
763 target_reset_examined(target);
764 if (target->type->examine == NULL)
765 {
766 target->type->examine = default_examine;
767 }
768
769 if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
770 {
771 LOG_ERROR("target '%s' init failed", target_get_name(target));
772 return retval;
773 }
774
775 /* Set up default functions if none are provided by target */
776 if (target->type->virt2phys == NULL)
777 {
778 target->type->virt2phys = default_virt2phys;
779 }
780
781 if (target->type->read_phys_memory == NULL)
782 {
783 target->type->read_phys_memory = default_read_phys_memory;
784 }
785
786 if (target->type->write_phys_memory == NULL)
787 {
788 target->type->write_phys_memory = default_write_phys_memory;
789 }
790
791 if (target->type->mcr == NULL)
792 {
793 target->type->mcr = default_mcr;
794 } else
795 {
796 /* FIX! multiple targets will generally register global commands
797 * multiple times. Only register this one if *one* of the
798 * targets need the command. Hmm... make it a command on the
799 * Jim Tcl target object?
800 */
801 register_jim(cmd_ctx, "mcr", jim_mcrmrc, "write coprocessor <cpnum> <op1> <op2> <CRn> <CRm> <value>");
802 }
803
804 if (target->type->mrc == NULL)
805 {
806 target->type->mrc = default_mrc;
807 } else
808 {
809 register_jim(cmd_ctx, "mrc", jim_mcrmrc, "read coprocessor <cpnum> <op1> <op2> <CRn> <CRm>");
810 }
811
812
813 /* a non-invasive way(in terms of patches) to add some code that
814 * runs before the type->write/read_memory implementation
815 */
816 target->type->write_memory_imp = target->type->write_memory;
817 target->type->write_memory = target_write_memory_imp;
818 target->type->read_memory_imp = target->type->read_memory;
819 target->type->read_memory = target_read_memory_imp;
820 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
821 target->type->soft_reset_halt = target_soft_reset_halt_imp;
822 target->type->run_algorithm_imp = target->type->run_algorithm;
823 target->type->run_algorithm = target_run_algorithm_imp;
824
825 if (target->type->mmu == NULL)
826 {
827 target->type->mmu = default_mmu;
828 }
829 target = target->next;
830 }
831
832 if (all_targets)
833 {
834 if ((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
835 return retval;
836 if ((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
837 return retval;
838 }
839
840 return ERROR_OK;
841 }
842
843 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
844 {
845 target_event_callback_t **callbacks_p = &target_event_callbacks;
846
847 if (callback == NULL)
848 {
849 return ERROR_INVALID_ARGUMENTS;
850 }
851
852 if (*callbacks_p)
853 {
854 while ((*callbacks_p)->next)
855 callbacks_p = &((*callbacks_p)->next);
856 callbacks_p = &((*callbacks_p)->next);
857 }
858
859 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
860 (*callbacks_p)->callback = callback;
861 (*callbacks_p)->priv = priv;
862 (*callbacks_p)->next = NULL;
863
864 return ERROR_OK;
865 }
866
867 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
868 {
869 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
870 struct timeval now;
871
872 if (callback == NULL)
873 {
874 return ERROR_INVALID_ARGUMENTS;
875 }
876
877 if (*callbacks_p)
878 {
879 while ((*callbacks_p)->next)
880 callbacks_p = &((*callbacks_p)->next);
881 callbacks_p = &((*callbacks_p)->next);
882 }
883
884 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
885 (*callbacks_p)->callback = callback;
886 (*callbacks_p)->periodic = periodic;
887 (*callbacks_p)->time_ms = time_ms;
888
889 gettimeofday(&now, NULL);
890 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
891 time_ms -= (time_ms % 1000);
892 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
893 if ((*callbacks_p)->when.tv_usec > 1000000)
894 {
895 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
896 (*callbacks_p)->when.tv_sec += 1;
897 }
898
899 (*callbacks_p)->priv = priv;
900 (*callbacks_p)->next = NULL;
901
902 return ERROR_OK;
903 }
904
905 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
906 {
907 target_event_callback_t **p = &target_event_callbacks;
908 target_event_callback_t *c = target_event_callbacks;
909
910 if (callback == NULL)
911 {
912 return ERROR_INVALID_ARGUMENTS;
913 }
914
915 while (c)
916 {
917 target_event_callback_t *next = c->next;
918 if ((c->callback == callback) && (c->priv == priv))
919 {
920 *p = next;
921 free(c);
922 return ERROR_OK;
923 }
924 else
925 p = &(c->next);
926 c = next;
927 }
928
929 return ERROR_OK;
930 }
931
932 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
933 {
934 target_timer_callback_t **p = &target_timer_callbacks;
935 target_timer_callback_t *c = target_timer_callbacks;
936
937 if (callback == NULL)
938 {
939 return ERROR_INVALID_ARGUMENTS;
940 }
941
942 while (c)
943 {
944 target_timer_callback_t *next = c->next;
945 if ((c->callback == callback) && (c->priv == priv))
946 {
947 *p = next;
948 free(c);
949 return ERROR_OK;
950 }
951 else
952 p = &(c->next);
953 c = next;
954 }
955
956 return ERROR_OK;
957 }
958
959 int target_call_event_callbacks(target_t *target, enum target_event event)
960 {
961 target_event_callback_t *callback = target_event_callbacks;
962 target_event_callback_t *next_callback;
963
964 if (event == TARGET_EVENT_HALTED)
965 {
966 /* execute early halted first */
967 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
968 }
969
970 LOG_DEBUG("target event %i (%s)",
971 event,
972 Jim_Nvp_value2name_simple(nvp_target_event, event)->name);
973
974 target_handle_event(target, event);
975
976 while (callback)
977 {
978 next_callback = callback->next;
979 callback->callback(target, event, callback->priv);
980 callback = next_callback;
981 }
982
983 return ERROR_OK;
984 }
985
986 static int target_timer_callback_periodic_restart(
987 target_timer_callback_t *cb, struct timeval *now)
988 {
989 int time_ms = cb->time_ms;
990 cb->when.tv_usec = now->tv_usec + (time_ms % 1000) * 1000;
991 time_ms -= (time_ms % 1000);
992 cb->when.tv_sec = now->tv_sec + time_ms / 1000;
993 if (cb->when.tv_usec > 1000000)
994 {
995 cb->when.tv_usec = cb->when.tv_usec - 1000000;
996 cb->when.tv_sec += 1;
997 }
998 return ERROR_OK;
999 }
1000
1001 static int target_call_timer_callback(target_timer_callback_t *cb,
1002 struct timeval *now)
1003 {
1004 cb->callback(cb->priv);
1005
1006 if (cb->periodic)
1007 return target_timer_callback_periodic_restart(cb, now);
1008
1009 return target_unregister_timer_callback(cb->callback, cb->priv);
1010 }
1011
1012 static int target_call_timer_callbacks_check_time(int checktime)
1013 {
1014 keep_alive();
1015
1016 struct timeval now;
1017 gettimeofday(&now, NULL);
1018
1019 target_timer_callback_t *callback = target_timer_callbacks;
1020 while (callback)
1021 {
1022 // cleaning up may unregister and free this callback
1023 target_timer_callback_t *next_callback = callback->next;
1024
1025 bool call_it = callback->callback &&
1026 ((!checktime && callback->periodic) ||
1027 now.tv_sec > callback->when.tv_sec ||
1028 (now.tv_sec == callback->when.tv_sec &&
1029 now.tv_usec >= callback->when.tv_usec));
1030
1031 if (call_it)
1032 {
1033 int retval = target_call_timer_callback(callback, &now);
1034 if (retval != ERROR_OK)
1035 return retval;
1036 }
1037
1038 callback = next_callback;
1039 }
1040
1041 return ERROR_OK;
1042 }
1043
1044 int target_call_timer_callbacks(void)
1045 {
1046 return target_call_timer_callbacks_check_time(1);
1047 }
1048
1049 /* invoke periodic callbacks immediately */
1050 int target_call_timer_callbacks_now(void)
1051 {
1052 return target_call_timer_callbacks_check_time(0);
1053 }
1054
1055 int target_alloc_working_area(struct target_s *target, uint32_t size, working_area_t **area)
1056 {
1057 working_area_t *c = target->working_areas;
1058 working_area_t *new_wa = NULL;
1059
1060 /* Reevaluate working area address based on MMU state*/
1061 if (target->working_areas == NULL)
1062 {
1063 int retval;
1064 int enabled;
1065
1066 retval = target->type->mmu(target, &enabled);
1067 if (retval != ERROR_OK)
1068 {
1069 return retval;
1070 }
1071
1072 if (!enabled) {
1073 if (target->working_area_phys_spec) {
1074 LOG_DEBUG("MMU disabled, using physical "
1075 "address for working memory 0x%08x",
1076 (unsigned)target->working_area_phys);
1077 target->working_area = target->working_area_phys;
1078 } else {
1079 LOG_ERROR("No working memory available. "
1080 "Specify -work-area-phys to target.");
1081 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1082 }
1083 } else {
1084 if (target->working_area_virt_spec) {
1085 LOG_DEBUG("MMU enabled, using virtual "
1086 "address for working memory 0x%08x",
1087 (unsigned)target->working_area_virt);
1088 target->working_area = target->working_area_virt;
1089 } else {
1090 LOG_ERROR("No working memory available. "
1091 "Specify -work-area-virt to target.");
1092 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1093 }
1094 }
1095 }
1096
1097 /* only allocate multiples of 4 byte */
1098 if (size % 4)
1099 {
1100 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes (0x%08x), padding", ((unsigned)(size)));
1101 size = (size + 3) & (~3);
1102 }
1103
1104 /* see if there's already a matching working area */
1105 while (c)
1106 {
1107 if ((c->free) && (c->size == size))
1108 {
1109 new_wa = c;
1110 break;
1111 }
1112 c = c->next;
1113 }
1114
1115 /* if not, allocate a new one */
1116 if (!new_wa)
1117 {
1118 working_area_t **p = &target->working_areas;
1119 uint32_t first_free = target->working_area;
1120 uint32_t free_size = target->working_area_size;
1121
1122 c = target->working_areas;
1123 while (c)
1124 {
1125 first_free += c->size;
1126 free_size -= c->size;
1127 p = &c->next;
1128 c = c->next;
1129 }
1130
1131 if (free_size < size)
1132 {
1133 LOG_WARNING("not enough working area available(requested %u, free %u)",
1134 (unsigned)(size), (unsigned)(free_size));
1135 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1136 }
1137
1138 LOG_DEBUG("allocated new working area at address 0x%08x", (unsigned)first_free);
1139
1140 new_wa = malloc(sizeof(working_area_t));
1141 new_wa->next = NULL;
1142 new_wa->size = size;
1143 new_wa->address = first_free;
1144
1145 if (target->backup_working_area)
1146 {
1147 int retval;
1148 new_wa->backup = malloc(new_wa->size);
1149 if ((retval = target_read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
1150 {
1151 free(new_wa->backup);
1152 free(new_wa);
1153 return retval;
1154 }
1155 }
1156 else
1157 {
1158 new_wa->backup = NULL;
1159 }
1160
1161 /* put new entry in list */
1162 *p = new_wa;
1163 }
1164
1165 /* mark as used, and return the new (reused) area */
1166 new_wa->free = 0;
1167 *area = new_wa;
1168
1169 /* user pointer */
1170 new_wa->user = area;
1171
1172 return ERROR_OK;
1173 }
1174
1175 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
1176 {
1177 if (area->free)
1178 return ERROR_OK;
1179
1180 if (restore && target->backup_working_area)
1181 {
1182 int retval;
1183 if ((retval = target_write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
1184 return retval;
1185 }
1186
1187 area->free = 1;
1188
1189 /* mark user pointer invalid */
1190 *area->user = NULL;
1191 area->user = NULL;
1192
1193 return ERROR_OK;
1194 }
1195
1196 int target_free_working_area(struct target_s *target, working_area_t *area)
1197 {
1198 return target_free_working_area_restore(target, area, 1);
1199 }
1200
1201 /* free resources and restore memory, if restoring memory fails,
1202 * free up resources anyway
1203 */
1204 void target_free_all_working_areas_restore(struct target_s *target, int restore)
1205 {
1206 working_area_t *c = target->working_areas;
1207
1208 while (c)
1209 {
1210 working_area_t *next = c->next;
1211 target_free_working_area_restore(target, c, restore);
1212
1213 if (c->backup)
1214 free(c->backup);
1215
1216 free(c);
1217
1218 c = next;
1219 }
1220
1221 target->working_areas = NULL;
1222 }
1223
1224 void target_free_all_working_areas(struct target_s *target)
1225 {
1226 target_free_all_working_areas_restore(target, 1);
1227 }
1228
1229 int target_arch_state(struct target_s *target)
1230 {
1231 int retval;
1232 if (target == NULL)
1233 {
1234 LOG_USER("No target has been configured");
1235 return ERROR_OK;
1236 }
1237
1238 LOG_USER("target state: %s", target_state_name( target ));
1239
1240 if (target->state != TARGET_HALTED)
1241 return ERROR_OK;
1242
1243 retval = target->type->arch_state(target);
1244 return retval;
1245 }
1246
1247 /* Single aligned words are guaranteed to use 16 or 32 bit access
1248 * mode respectively, otherwise data is handled as quickly as
1249 * possible
1250 */
1251 int target_write_buffer(struct target_s *target, uint32_t address, uint32_t size, uint8_t *buffer)
1252 {
1253 int retval;
1254 LOG_DEBUG("writing buffer of %i byte at 0x%8.8x",
1255 (int)size, (unsigned)address);
1256
1257 if (!target_was_examined(target))
1258 {
1259 LOG_ERROR("Target not examined yet");
1260 return ERROR_FAIL;
1261 }
1262
1263 if (size == 0) {
1264 return ERROR_OK;
1265 }
1266
1267 if ((address + size - 1) < address)
1268 {
1269 /* GDB can request this when e.g. PC is 0xfffffffc*/
1270 LOG_ERROR("address + size wrapped(0x%08x, 0x%08x)",
1271 (unsigned)address,
1272 (unsigned)size);
1273 return ERROR_FAIL;
1274 }
1275
1276 if (((address % 2) == 0) && (size == 2))
1277 {
1278 return target_write_memory(target, address, 2, 1, buffer);
1279 }
1280
1281 /* handle unaligned head bytes */
1282 if (address % 4)
1283 {
1284 uint32_t unaligned = 4 - (address % 4);
1285
1286 if (unaligned > size)
1287 unaligned = size;
1288
1289 if ((retval = target_write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1290 return retval;
1291
1292 buffer += unaligned;
1293 address += unaligned;
1294 size -= unaligned;
1295 }
1296
1297 /* handle aligned words */
1298 if (size >= 4)
1299 {
1300 int aligned = size - (size % 4);
1301
1302 /* use bulk writes above a certain limit. This may have to be changed */
1303 if (aligned > 128)
1304 {
1305 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1306 return retval;
1307 }
1308 else
1309 {
1310 if ((retval = target_write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1311 return retval;
1312 }
1313
1314 buffer += aligned;
1315 address += aligned;
1316 size -= aligned;
1317 }
1318
1319 /* handle tail writes of less than 4 bytes */
1320 if (size > 0)
1321 {
1322 if ((retval = target_write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1323 return retval;
1324 }
1325
1326 return ERROR_OK;
1327 }
1328
1329 /* Single aligned words are guaranteed to use 16 or 32 bit access
1330 * mode respectively, otherwise data is handled as quickly as
1331 * possible
1332 */
1333 int target_read_buffer(struct target_s *target, uint32_t address, uint32_t size, uint8_t *buffer)
1334 {
1335 int retval;
1336 LOG_DEBUG("reading buffer of %i byte at 0x%8.8x",
1337 (int)size, (unsigned)address);
1338
1339 if (!target_was_examined(target))
1340 {
1341 LOG_ERROR("Target not examined yet");
1342 return ERROR_FAIL;
1343 }
1344
1345 if (size == 0) {
1346 return ERROR_OK;
1347 }
1348
1349 if ((address + size - 1) < address)
1350 {
1351 /* GDB can request this when e.g. PC is 0xfffffffc*/
1352 LOG_ERROR("address + size wrapped(0x%08" PRIx32 ", 0x%08" PRIx32 ")",
1353 address,
1354 size);
1355 return ERROR_FAIL;
1356 }
1357
1358 if (((address % 2) == 0) && (size == 2))
1359 {
1360 return target_read_memory(target, address, 2, 1, buffer);
1361 }
1362
1363 /* handle unaligned head bytes */
1364 if (address % 4)
1365 {
1366 uint32_t unaligned = 4 - (address % 4);
1367
1368 if (unaligned > size)
1369 unaligned = size;
1370
1371 if ((retval = target_read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1372 return retval;
1373
1374 buffer += unaligned;
1375 address += unaligned;
1376 size -= unaligned;
1377 }
1378
1379 /* handle aligned words */
1380 if (size >= 4)
1381 {
1382 int aligned = size - (size % 4);
1383
1384 if ((retval = target_read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1385 return retval;
1386
1387 buffer += aligned;
1388 address += aligned;
1389 size -= aligned;
1390 }
1391
1392 /*prevent byte access when possible (avoid AHB access limitations in some cases)*/
1393 if(size >=2)
1394 {
1395 int aligned = size - (size%2);
1396 retval = target_read_memory(target, address, 2, aligned / 2, buffer);
1397 if (retval != ERROR_OK)
1398 return retval;
1399
1400 buffer += aligned;
1401 address += aligned;
1402 size -= aligned;
1403 }
1404 /* handle tail writes of less than 4 bytes */
1405 if (size > 0)
1406 {
1407 if ((retval = target_read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1408 return retval;
1409 }
1410
1411 return ERROR_OK;
1412 }
1413
1414 int target_checksum_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t* crc)
1415 {
1416 uint8_t *buffer;
1417 int retval;
1418 uint32_t i;
1419 uint32_t checksum = 0;
1420 if (!target_was_examined(target))
1421 {
1422 LOG_ERROR("Target not examined yet");
1423 return ERROR_FAIL;
1424 }
1425
1426 if ((retval = target->type->checksum_memory(target, address,
1427 size, &checksum)) != ERROR_OK)
1428 {
1429 buffer = malloc(size);
1430 if (buffer == NULL)
1431 {
1432 LOG_ERROR("error allocating buffer for section (%d bytes)", (int)size);
1433 return ERROR_INVALID_ARGUMENTS;
1434 }
1435 retval = target_read_buffer(target, address, size, buffer);
1436 if (retval != ERROR_OK)
1437 {
1438 free(buffer);
1439 return retval;
1440 }
1441
1442 /* convert to target endianess */
1443 for (i = 0; i < (size/sizeof(uint32_t)); i++)
1444 {
1445 uint32_t target_data;
1446 target_data = target_buffer_get_u32(target, &buffer[i*sizeof(uint32_t)]);
1447 target_buffer_set_u32(target, &buffer[i*sizeof(uint32_t)], target_data);
1448 }
1449
1450 retval = image_calculate_checksum(buffer, size, &checksum);
1451 free(buffer);
1452 }
1453
1454 *crc = checksum;
1455
1456 return retval;
1457 }
1458
1459 int target_blank_check_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t* blank)
1460 {
1461 int retval;
1462 if (!target_was_examined(target))
1463 {
1464 LOG_ERROR("Target not examined yet");
1465 return ERROR_FAIL;
1466 }
1467
1468 if (target->type->blank_check_memory == 0)
1469 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1470
1471 retval = target->type->blank_check_memory(target, address, size, blank);
1472
1473 return retval;
1474 }
1475
1476 int target_read_u32(struct target_s *target, uint32_t address, uint32_t *value)
1477 {
1478 uint8_t value_buf[4];
1479 if (!target_was_examined(target))
1480 {
1481 LOG_ERROR("Target not examined yet");
1482 return ERROR_FAIL;
1483 }
1484
1485 int retval = target_read_memory(target, address, 4, 1, value_buf);
1486
1487 if (retval == ERROR_OK)
1488 {
1489 *value = target_buffer_get_u32(target, value_buf);
1490 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
1491 address,
1492 *value);
1493 }
1494 else
1495 {
1496 *value = 0x0;
1497 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1498 address);
1499 }
1500
1501 return retval;
1502 }
1503
1504 int target_read_u16(struct target_s *target, uint32_t address, uint16_t *value)
1505 {
1506 uint8_t value_buf[2];
1507 if (!target_was_examined(target))
1508 {
1509 LOG_ERROR("Target not examined yet");
1510 return ERROR_FAIL;
1511 }
1512
1513 int retval = target_read_memory(target, address, 2, 1, value_buf);
1514
1515 if (retval == ERROR_OK)
1516 {
1517 *value = target_buffer_get_u16(target, value_buf);
1518 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%4.4x",
1519 address,
1520 *value);
1521 }
1522 else
1523 {
1524 *value = 0x0;
1525 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1526 address);
1527 }
1528
1529 return retval;
1530 }
1531
1532 int target_read_u8(struct target_s *target, uint32_t address, uint8_t *value)
1533 {
1534 int retval = target_read_memory(target, address, 1, 1, value);
1535 if (!target_was_examined(target))
1536 {
1537 LOG_ERROR("Target not examined yet");
1538 return ERROR_FAIL;
1539 }
1540
1541 if (retval == ERROR_OK)
1542 {
1543 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
1544 address,
1545 *value);
1546 }
1547 else
1548 {
1549 *value = 0x0;
1550 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1551 address);
1552 }
1553
1554 return retval;
1555 }
1556
1557 int target_write_u32(struct target_s *target, uint32_t address, uint32_t value)
1558 {
1559 int retval;
1560 uint8_t value_buf[4];
1561 if (!target_was_examined(target))
1562 {
1563 LOG_ERROR("Target not examined yet");
1564 return ERROR_FAIL;
1565 }
1566
1567 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
1568 address,
1569 value);
1570
1571 target_buffer_set_u32(target, value_buf, value);
1572 if ((retval = target_write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1573 {
1574 LOG_DEBUG("failed: %i", retval);
1575 }
1576
1577 return retval;
1578 }
1579
1580 int target_write_u16(struct target_s *target, uint32_t address, uint16_t value)
1581 {
1582 int retval;
1583 uint8_t value_buf[2];
1584 if (!target_was_examined(target))
1585 {
1586 LOG_ERROR("Target not examined yet");
1587 return ERROR_FAIL;
1588 }
1589
1590 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8x",
1591 address,
1592 value);
1593
1594 target_buffer_set_u16(target, value_buf, value);
1595 if ((retval = target_write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1596 {
1597 LOG_DEBUG("failed: %i", retval);
1598 }
1599
1600 return retval;
1601 }
1602
1603 int target_write_u8(struct target_s *target, uint32_t address, uint8_t value)
1604 {
1605 int retval;
1606 if (!target_was_examined(target))
1607 {
1608 LOG_ERROR("Target not examined yet");
1609 return ERROR_FAIL;
1610 }
1611
1612 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
1613 address, value);
1614
1615 if ((retval = target_write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1616 {
1617 LOG_DEBUG("failed: %i", retval);
1618 }
1619
1620 return retval;
1621 }
1622
1623 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1624 {
1625 target_t *target = all_targets;
1626
1627 if (argc == 1)
1628 {
1629 target = get_target(args[0]);
1630 if (target == NULL) {
1631 command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0]);
1632 goto DumpTargets;
1633 }
1634 if (!target->tap->enabled) {
1635 command_print(cmd_ctx,"Target: TAP %s is disabled, "
1636 "can't be the current target\n",
1637 target->tap->dotted_name);
1638 return ERROR_FAIL;
1639 }
1640
1641 cmd_ctx->current_target = target->target_number;
1642 return ERROR_OK;
1643 }
1644 DumpTargets:
1645
1646 target = all_targets;
1647 command_print(cmd_ctx, " TargetName Type Endian TapName State ");
1648 command_print(cmd_ctx, "-- ------------------ ---------- ------ ------------------ ------------");
1649 while (target)
1650 {
1651 const char *state;
1652 char marker = ' ';
1653
1654 if (target->tap->enabled)
1655 state = target_state_name( target );
1656 else
1657 state = "tap-disabled";
1658
1659 if (cmd_ctx->current_target == target->target_number)
1660 marker = '*';
1661
1662 /* keep columns lined up to match the headers above */
1663 command_print(cmd_ctx, "%2d%c %-18s %-10s %-6s %-18s %s",
1664 target->target_number,
1665 marker,
1666 target->cmd_name,
1667 target_get_name(target),
1668 Jim_Nvp_value2name_simple(nvp_target_endian,
1669 target->endianness)->name,
1670 target->tap->dotted_name,
1671 state);
1672 target = target->next;
1673 }
1674
1675 return ERROR_OK;
1676 }
1677
1678 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1679
1680 static int powerDropout;
1681 static int srstAsserted;
1682
1683 static int runPowerRestore;
1684 static int runPowerDropout;
1685 static int runSrstAsserted;
1686 static int runSrstDeasserted;
1687
1688 static int sense_handler(void)
1689 {
1690 static int prevSrstAsserted = 0;
1691 static int prevPowerdropout = 0;
1692
1693 int retval;
1694 if ((retval = jtag_power_dropout(&powerDropout)) != ERROR_OK)
1695 return retval;
1696
1697 int powerRestored;
1698 powerRestored = prevPowerdropout && !powerDropout;
1699 if (powerRestored)
1700 {
1701 runPowerRestore = 1;
1702 }
1703
1704 long long current = timeval_ms();
1705 static long long lastPower = 0;
1706 int waitMore = lastPower + 2000 > current;
1707 if (powerDropout && !waitMore)
1708 {
1709 runPowerDropout = 1;
1710 lastPower = current;
1711 }
1712
1713 if ((retval = jtag_srst_asserted(&srstAsserted)) != ERROR_OK)
1714 return retval;
1715
1716 int srstDeasserted;
1717 srstDeasserted = prevSrstAsserted && !srstAsserted;
1718
1719 static long long lastSrst = 0;
1720 waitMore = lastSrst + 2000 > current;
1721 if (srstDeasserted && !waitMore)
1722 {
1723 runSrstDeasserted = 1;
1724 lastSrst = current;
1725 }
1726
1727 if (!prevSrstAsserted && srstAsserted)
1728 {
1729 runSrstAsserted = 1;
1730 }
1731
1732 prevSrstAsserted = srstAsserted;
1733 prevPowerdropout = powerDropout;
1734
1735 if (srstDeasserted || powerRestored)
1736 {
1737 /* Other than logging the event we can't do anything here.
1738 * Issuing a reset is a particularly bad idea as we might
1739 * be inside a reset already.
1740 */
1741 }
1742
1743 return ERROR_OK;
1744 }
1745
1746 static void target_call_event_callbacks_all(enum target_event e) {
1747 target_t *target;
1748 target = all_targets;
1749 while (target) {
1750 target_call_event_callbacks(target, e);
1751 target = target->next;
1752 }
1753 }
1754
1755 /* process target state changes */
1756 int handle_target(void *priv)
1757 {
1758 int retval = ERROR_OK;
1759
1760 /* we do not want to recurse here... */
1761 static int recursive = 0;
1762 if (! recursive)
1763 {
1764 recursive = 1;
1765 sense_handler();
1766 /* danger! running these procedures can trigger srst assertions and power dropouts.
1767 * We need to avoid an infinite loop/recursion here and we do that by
1768 * clearing the flags after running these events.
1769 */
1770 int did_something = 0;
1771 if (runSrstAsserted)
1772 {
1773 target_call_event_callbacks_all(TARGET_EVENT_GDB_HALT);
1774 Jim_Eval(interp, "srst_asserted");
1775 did_something = 1;
1776 }
1777 if (runSrstDeasserted)
1778 {
1779 Jim_Eval(interp, "srst_deasserted");
1780 did_something = 1;
1781 }
1782 if (runPowerDropout)
1783 {
1784 target_call_event_callbacks_all(TARGET_EVENT_GDB_HALT);
1785 Jim_Eval(interp, "power_dropout");
1786 did_something = 1;
1787 }
1788 if (runPowerRestore)
1789 {
1790 Jim_Eval(interp, "power_restore");
1791 did_something = 1;
1792 }
1793
1794 if (did_something)
1795 {
1796 /* clear detect flags */
1797 sense_handler();
1798 }
1799
1800 /* clear action flags */
1801
1802 runSrstAsserted = 0;
1803 runSrstDeasserted = 0;
1804 runPowerRestore = 0;
1805 runPowerDropout = 0;
1806
1807 recursive = 0;
1808 }
1809
1810 /* Poll targets for state changes unless that's globally disabled.
1811 * Skip targets that are currently disabled.
1812 */
1813 for (target_t *target = all_targets;
1814 is_jtag_poll_safe() && target;
1815 target = target->next)
1816 {
1817 if (!target->tap->enabled)
1818 continue;
1819
1820 /* only poll target if we've got power and srst isn't asserted */
1821 if (!powerDropout && !srstAsserted)
1822 {
1823 /* polling may fail silently until the target has been examined */
1824 if ((retval = target_poll(target)) != ERROR_OK)
1825 {
1826 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
1827 return retval;
1828 }
1829 }
1830 }
1831
1832 return retval;
1833 }
1834
1835 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1836 {
1837 target_t *target;
1838 reg_t *reg = NULL;
1839 int count = 0;
1840 char *value;
1841
1842 LOG_DEBUG("-");
1843
1844 target = get_current_target(cmd_ctx);
1845
1846 /* list all available registers for the current target */
1847 if (argc == 0)
1848 {
1849 reg_cache_t *cache = target->reg_cache;
1850
1851 count = 0;
1852 while (cache)
1853 {
1854 int i;
1855
1856 command_print(cmd_ctx, "===== %s", cache->name);
1857
1858 for (i = 0, reg = cache->reg_list;
1859 i < cache->num_regs;
1860 i++, reg++, count++)
1861 {
1862 /* only print cached values if they are valid */
1863 if (reg->valid) {
1864 value = buf_to_str(reg->value,
1865 reg->size, 16);
1866 command_print(cmd_ctx,
1867 "(%i) %s (/%" PRIu32 "): 0x%s%s",
1868 count, reg->name,
1869 reg->size, value,
1870 reg->dirty
1871 ? " (dirty)"
1872 : "");
1873 free(value);
1874 } else {
1875 command_print(cmd_ctx, "(%i) %s (/%" PRIu32 ")",
1876 count, reg->name,
1877 reg->size) ;
1878 }
1879 }
1880 cache = cache->next;
1881 }
1882
1883 return ERROR_OK;
1884 }
1885
1886 /* access a single register by its ordinal number */
1887 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1888 {
1889 unsigned num;
1890 COMMAND_PARSE_NUMBER(uint, args[0], num);
1891
1892 reg_cache_t *cache = target->reg_cache;
1893 count = 0;
1894 while (cache)
1895 {
1896 int i;
1897 for (i = 0; i < cache->num_regs; i++)
1898 {
1899 if (count++ == (int)num)
1900 {
1901 reg = &cache->reg_list[i];
1902 break;
1903 }
1904 }
1905 if (reg)
1906 break;
1907 cache = cache->next;
1908 }
1909
1910 if (!reg)
1911 {
1912 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1913 return ERROR_OK;
1914 }
1915 } else /* access a single register by its name */
1916 {
1917 reg = register_get_by_name(target->reg_cache, args[0], 1);
1918
1919 if (!reg)
1920 {
1921 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1922 return ERROR_OK;
1923 }
1924 }
1925
1926 /* display a register */
1927 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1928 {
1929 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1930 reg->valid = 0;
1931
1932 if (reg->valid == 0)
1933 {
1934 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1935 arch_type->get(reg);
1936 }
1937 value = buf_to_str(reg->value, reg->size, 16);
1938 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
1939 free(value);
1940 return ERROR_OK;
1941 }
1942
1943 /* set register value */
1944 if (argc == 2)
1945 {
1946 uint8_t *buf = malloc(CEIL(reg->size, 8));
1947 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1948
1949 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1950 arch_type->set(reg, buf);
1951
1952 value = buf_to_str(reg->value, reg->size, 16);
1953 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
1954 free(value);
1955
1956 free(buf);
1957
1958 return ERROR_OK;
1959 }
1960
1961 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1962
1963 return ERROR_OK;
1964 }
1965
1966 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1967 {
1968 int retval = ERROR_OK;
1969 target_t *target = get_current_target(cmd_ctx);
1970
1971 if (argc == 0)
1972 {
1973 command_print(cmd_ctx, "background polling: %s",
1974 jtag_poll_get_enabled() ? "on" : "off");
1975 command_print(cmd_ctx, "TAP: %s (%s)",
1976 target->tap->dotted_name,
1977 target->tap->enabled ? "enabled" : "disabled");
1978 if (!target->tap->enabled)
1979 return ERROR_OK;
1980 if ((retval = target_poll(target)) != ERROR_OK)
1981 return retval;
1982 if ((retval = target_arch_state(target)) != ERROR_OK)
1983 return retval;
1984
1985 }
1986 else if (argc == 1)
1987 {
1988 if (strcmp(args[0], "on") == 0)
1989 {
1990 jtag_poll_set_enabled(true);
1991 }
1992 else if (strcmp(args[0], "off") == 0)
1993 {
1994 jtag_poll_set_enabled(false);
1995 }
1996 else
1997 {
1998 command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1999 }
2000 } else
2001 {
2002 return ERROR_COMMAND_SYNTAX_ERROR;
2003 }
2004
2005 return retval;
2006 }
2007
2008 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2009 {
2010 if (argc > 1)
2011 return ERROR_COMMAND_SYNTAX_ERROR;
2012
2013 unsigned ms = 5000;
2014 if (1 == argc)
2015 {
2016 int retval = parse_uint(args[0], &ms);
2017 if (ERROR_OK != retval)
2018 {
2019 command_print(cmd_ctx, "usage: %s [seconds]", cmd);
2020 return ERROR_COMMAND_SYNTAX_ERROR;
2021 }
2022 // convert seconds (given) to milliseconds (needed)
2023 ms *= 1000;
2024 }
2025
2026 target_t *target = get_current_target(cmd_ctx);
2027 return target_wait_state(target, TARGET_HALTED, ms);
2028 }
2029
2030 /* wait for target state to change. The trick here is to have a low
2031 * latency for short waits and not to suck up all the CPU time
2032 * on longer waits.
2033 *
2034 * After 500ms, keep_alive() is invoked
2035 */
2036 int target_wait_state(target_t *target, enum target_state state, int ms)
2037 {
2038 int retval;
2039 long long then = 0, cur;
2040 int once = 1;
2041
2042 for (;;)
2043 {
2044 if ((retval = target_poll(target)) != ERROR_OK)
2045 return retval;
2046 if (target->state == state)
2047 {
2048 break;
2049 }
2050 cur = timeval_ms();
2051 if (once)
2052 {
2053 once = 0;
2054 then = timeval_ms();
2055 LOG_DEBUG("waiting for target %s...",
2056 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
2057 }
2058
2059 if (cur-then > 500)
2060 {
2061 keep_alive();
2062 }
2063
2064 if ((cur-then) > ms)
2065 {
2066 LOG_ERROR("timed out while waiting for target %s",
2067 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
2068 return ERROR_FAIL;
2069 }
2070 }
2071
2072 return ERROR_OK;
2073 }
2074
2075 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2076 {
2077 LOG_DEBUG("-");
2078
2079 target_t *target = get_current_target(cmd_ctx);
2080 int retval = target_halt(target);
2081 if (ERROR_OK != retval)
2082 return retval;
2083
2084 if (argc == 1)
2085 {
2086 unsigned wait;
2087 retval = parse_uint(args[0], &wait);
2088 if (ERROR_OK != retval)
2089 return ERROR_COMMAND_SYNTAX_ERROR;
2090 if (!wait)
2091 return ERROR_OK;
2092 }
2093
2094 return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
2095 }
2096
2097 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2098 {
2099 target_t *target = get_current_target(cmd_ctx);
2100
2101 LOG_USER("requesting target halt and executing a soft reset");
2102
2103 target->type->soft_reset_halt(target);
2104
2105 return ERROR_OK;
2106 }
2107
2108 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2109 {
2110 if (argc > 1)
2111 return ERROR_COMMAND_SYNTAX_ERROR;
2112
2113 enum target_reset_mode reset_mode = RESET_RUN;
2114 if (argc == 1)
2115 {
2116 const Jim_Nvp *n;
2117 n = Jim_Nvp_name2value_simple(nvp_reset_modes, args[0]);
2118 if ((n->name == NULL) || (n->value == RESET_UNKNOWN)) {
2119 return ERROR_COMMAND_SYNTAX_ERROR;
2120 }
2121 reset_mode = n->value;
2122 }
2123
2124 /* reset *all* targets */
2125 return target_process_reset(cmd_ctx, reset_mode);
2126 }
2127
2128
2129 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2130 {
2131 int current = 1;
2132 if (argc > 1)
2133 return ERROR_COMMAND_SYNTAX_ERROR;
2134
2135 target_t *target = get_current_target(cmd_ctx);
2136 target_handle_event(target, TARGET_EVENT_OLD_pre_resume);
2137
2138 /* with no args, resume from current pc, addr = 0,
2139 * with one arguments, addr = args[0],
2140 * handle breakpoints, not debugging */
2141 uint32_t addr = 0;
2142 if (argc == 1)
2143 {
2144 COMMAND_PARSE_NUMBER(u32, args[0], addr);
2145 current = 0;
2146 }
2147
2148 return target_resume(target, current, addr, 1, 0);
2149 }
2150
2151 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2152 {
2153 if (argc > 1)
2154 return ERROR_COMMAND_SYNTAX_ERROR;
2155
2156 LOG_DEBUG("-");
2157
2158 /* with no args, step from current pc, addr = 0,
2159 * with one argument addr = args[0],
2160 * handle breakpoints, debugging */
2161 uint32_t addr = 0;
2162 int current_pc = 1;
2163 if (argc == 1)
2164 {
2165 COMMAND_PARSE_NUMBER(u32, args[0], addr);
2166 current_pc = 0;
2167 }
2168
2169 target_t *target = get_current_target(cmd_ctx);
2170
2171 return target->type->step(target, current_pc, addr, 1);
2172 }
2173
2174 static void handle_md_output(struct command_context_s *cmd_ctx,
2175 struct target_s *target, uint32_t address, unsigned size,
2176 unsigned count, const uint8_t *buffer)
2177 {
2178 const unsigned line_bytecnt = 32;
2179 unsigned line_modulo = line_bytecnt / size;
2180
2181 char output[line_bytecnt * 4 + 1];
2182 unsigned output_len = 0;
2183
2184 const char *value_fmt;
2185 switch (size) {
2186 case 4: value_fmt = "%8.8x "; break;
2187 case 2: value_fmt = "%4.2x "; break;
2188 case 1: value_fmt = "%2.2x "; break;
2189 default:
2190 LOG_ERROR("invalid memory read size: %u", size);
2191 exit(-1);
2192 }
2193
2194 for (unsigned i = 0; i < count; i++)
2195 {
2196 if (i % line_modulo == 0)
2197 {
2198 output_len += snprintf(output + output_len,
2199 sizeof(output) - output_len,
2200 "0x%8.8x: ",
2201 (unsigned)(address + (i*size)));
2202 }
2203
2204 uint32_t value = 0;
2205 const uint8_t *value_ptr = buffer + i * size;
2206 switch (size) {
2207 case 4: value = target_buffer_get_u32(target, value_ptr); break;
2208 case 2: value = target_buffer_get_u16(target, value_ptr); break;
2209 case 1: value = *value_ptr;
2210 }
2211 output_len += snprintf(output + output_len,
2212 sizeof(output) - output_len,
2213 value_fmt, value);
2214
2215 if ((i % line_modulo == line_modulo - 1) || (i == count - 1))
2216 {
2217 command_print(cmd_ctx, "%s", output);
2218 output_len = 0;
2219 }
2220 }
2221 }
2222
2223 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2224 {
2225 if (argc < 1)
2226 return ERROR_COMMAND_SYNTAX_ERROR;
2227
2228 unsigned size = 0;
2229 switch (cmd[2]) {
2230 case 'w': size = 4; break;
2231 case 'h': size = 2; break;
2232 case 'b': size = 1; break;
2233 default: return ERROR_COMMAND_SYNTAX_ERROR;
2234 }
2235
2236 bool physical=strcmp(args[0], "phys")==0;
2237 int (*fn)(struct target_s *target,
2238 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
2239 if (physical)
2240 {
2241 argc--;
2242 args++;
2243 fn=target_read_phys_memory;
2244 } else
2245 {
2246 fn=target_read_memory;
2247 }
2248 if ((argc < 1) || (argc > 2))
2249 {
2250 return ERROR_COMMAND_SYNTAX_ERROR;
2251 }
2252
2253 uint32_t address;
2254 COMMAND_PARSE_NUMBER(u32, args[0], address);
2255
2256 unsigned count = 1;
2257 if (argc == 2)
2258 COMMAND_PARSE_NUMBER(uint, args[1], count);
2259
2260 uint8_t *buffer = calloc(count, size);
2261
2262 target_t *target = get_current_target(cmd_ctx);
2263 int retval = fn(target, address, size, count, buffer);
2264 if (ERROR_OK == retval)
2265 handle_md_output(cmd_ctx, target, address, size, count, buffer);
2266
2267 free(buffer);
2268
2269 return retval;
2270 }
2271
2272 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2273 {
2274 if (argc < 2)
2275 {
2276 return ERROR_COMMAND_SYNTAX_ERROR;
2277 }
2278 bool physical=strcmp(args[0], "phys")==0;
2279 int (*fn)(struct target_s *target,
2280 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
2281 if (physical)
2282 {
2283 argc--;
2284 args++;
2285 fn=target_write_phys_memory;
2286 } else
2287 {
2288 fn=target_write_memory;
2289 }
2290 if ((argc < 2) || (argc > 3))
2291 return ERROR_COMMAND_SYNTAX_ERROR;
2292
2293 uint32_t address;
2294 COMMAND_PARSE_NUMBER(u32, args[0], address);
2295
2296 uint32_t value;
2297 COMMAND_PARSE_NUMBER(u32, args[1], value);
2298
2299 unsigned count = 1;
2300 if (argc == 3)
2301 COMMAND_PARSE_NUMBER(uint, args[2], count);
2302
2303 target_t *target = get_current_target(cmd_ctx);
2304 unsigned wordsize;
2305 uint8_t value_buf[4];
2306 switch (cmd[2])
2307 {
2308 case 'w':
2309 wordsize = 4;
2310 target_buffer_set_u32(target, value_buf, value);
2311 break;
2312 case 'h':
2313 wordsize = 2;
2314 target_buffer_set_u16(target, value_buf, value);
2315 break;
2316 case 'b':
2317 wordsize = 1;
2318 value_buf[0] = value;
2319 break;
2320 default:
2321 return ERROR_COMMAND_SYNTAX_ERROR;
2322 }
2323 for (unsigned i = 0; i < count; i++)
2324 {
2325 int retval = fn(target,
2326 address + i * wordsize, wordsize, 1, value_buf);
2327 if (ERROR_OK != retval)
2328 return retval;
2329 keep_alive();
2330 }
2331
2332 return ERROR_OK;
2333
2334 }
2335
2336 static int parse_load_image_command_args(struct command_context_s *cmd_ctx,
2337 char **args, int argc, image_t *image,
2338 uint32_t *min_address, uint32_t *max_address)
2339 {
2340 if (argc < 1 || argc > 5)
2341 return ERROR_COMMAND_SYNTAX_ERROR;
2342
2343 /* a base address isn't always necessary,
2344 * default to 0x0 (i.e. don't relocate) */
2345 if (argc >= 2)
2346 {
2347 uint32_t addr;
2348 COMMAND_PARSE_NUMBER(u32, args[1], addr);
2349 image->base_address = addr;
2350 image->base_address_set = 1;
2351 }
2352 else
2353 image->base_address_set = 0;
2354
2355 image->start_address_set = 0;
2356
2357 if (argc >= 4)
2358 {
2359 COMMAND_PARSE_NUMBER(u32, args[3], *min_address);
2360 }
2361 if (argc == 5)
2362 {
2363 COMMAND_PARSE_NUMBER(u32, args[4], *max_address);
2364 // use size (given) to find max (required)
2365 *max_address += *min_address;
2366 }
2367
2368 if (*min_address > *max_address)
2369 return ERROR_COMMAND_SYNTAX_ERROR;
2370
2371 return ERROR_OK;
2372 }
2373
2374 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2375 {
2376 uint8_t *buffer;
2377 uint32_t buf_cnt;
2378 uint32_t image_size;
2379 uint32_t min_address = 0;
2380 uint32_t max_address = 0xffffffff;
2381 int i;
2382 image_t image;
2383
2384 int retval = parse_load_image_command_args(cmd_ctx, args, argc,
2385 &image, &min_address, &max_address);
2386 if (ERROR_OK != retval)
2387 return retval;
2388
2389 target_t *target = get_current_target(cmd_ctx);
2390
2391 struct duration bench;
2392 duration_start(&bench);
2393
2394 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2395 {
2396 return ERROR_OK;
2397 }
2398
2399 image_size = 0x0;
2400 retval = ERROR_OK;
2401 for (i = 0; i < image.num_sections; i++)
2402 {
2403 buffer = malloc(image.sections[i].size);
2404 if (buffer == NULL)
2405 {
2406 command_print(cmd_ctx,
2407 "error allocating buffer for section (%d bytes)",
2408 (int)(image.sections[i].size));
2409 break;
2410 }
2411
2412 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2413 {
2414 free(buffer);
2415 break;
2416 }
2417
2418 uint32_t offset = 0;
2419 uint32_t length = buf_cnt;
2420
2421 /* DANGER!!! beware of unsigned comparision here!!! */
2422
2423 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
2424 (image.sections[i].base_address < max_address))
2425 {
2426 if (image.sections[i].base_address < min_address)
2427 {
2428 /* clip addresses below */
2429 offset += min_address-image.sections[i].base_address;
2430 length -= offset;
2431 }
2432
2433 if (image.sections[i].base_address + buf_cnt > max_address)
2434 {
2435 length -= (image.sections[i].base_address + buf_cnt)-max_address;
2436 }
2437
2438 if ((retval = target_write_buffer(target, image.sections[i].base_address + offset, length, buffer + offset)) != ERROR_OK)
2439 {
2440 free(buffer);
2441 break;
2442 }
2443 image_size += length;
2444 command_print(cmd_ctx, "%u bytes written at address 0x%8.8" PRIx32 "",
2445 (unsigned int)length,
2446 image.sections[i].base_address + offset);
2447 }
2448
2449 free(buffer);
2450 }
2451
2452 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
2453 {
2454 command_print(cmd_ctx, "downloaded %" PRIu32 " bytes "
2455 "in %fs (%0.3f kb/s)", image_size,
2456 duration_elapsed(&bench), duration_kbps(&bench, image_size));
2457 }
2458
2459 image_close(&image);
2460
2461 return retval;
2462
2463 }
2464
2465 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2466 {
2467 fileio_t fileio;
2468
2469 uint8_t buffer[560];
2470 int retvaltemp;
2471
2472
2473 target_t *target = get_current_target(cmd_ctx);
2474
2475 if (argc != 3)
2476 {
2477 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2478 return ERROR_OK;
2479 }
2480
2481 uint32_t address;
2482 COMMAND_PARSE_NUMBER(u32, args[1], address);
2483 uint32_t size;
2484 COMMAND_PARSE_NUMBER(u32, args[2], size);
2485
2486 if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2487 {
2488 return ERROR_OK;
2489 }
2490
2491 struct duration bench;
2492 duration_start(&bench);
2493
2494 int retval = ERROR_OK;
2495 while (size > 0)
2496 {
2497 uint32_t size_written;
2498 uint32_t this_run_size = (size > 560) ? 560 : size;
2499 retval = target_read_buffer(target, address, this_run_size, buffer);
2500 if (retval != ERROR_OK)
2501 {
2502 break;
2503 }
2504
2505 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2506 if (retval != ERROR_OK)
2507 {
2508 break;
2509 }
2510
2511 size -= this_run_size;
2512 address += this_run_size;
2513 }
2514
2515 if ((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2516 return retvaltemp;
2517
2518 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
2519 {
2520 command_print(cmd_ctx,
2521 "dumped %lld bytes in %fs (%0.3f kb/s)", fileio.size,
2522 duration_elapsed(&bench), duration_kbps(&bench, fileio.size));
2523 }
2524
2525 return retval;
2526 }
2527
2528 static int handle_verify_image_command_internal(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, int verify)
2529 {
2530 uint8_t *buffer;
2531 uint32_t buf_cnt;
2532 uint32_t image_size;
2533 int i;
2534 int retval;
2535 uint32_t checksum = 0;
2536 uint32_t mem_checksum = 0;
2537
2538 image_t image;
2539
2540 target_t *target = get_current_target(cmd_ctx);
2541
2542 if (argc < 1)
2543 {
2544 return ERROR_COMMAND_SYNTAX_ERROR;
2545 }
2546
2547 if (!target)
2548 {
2549 LOG_ERROR("no target selected");
2550 return ERROR_FAIL;
2551 }
2552
2553 struct duration bench;
2554 duration_start(&bench);
2555
2556 if (argc >= 2)
2557 {
2558 uint32_t addr;
2559 COMMAND_PARSE_NUMBER(u32, args[1], addr);
2560 image.base_address = addr;
2561 image.base_address_set = 1;
2562 }
2563 else
2564 {
2565 image.base_address_set = 0;
2566 image.base_address = 0x0;
2567 }
2568
2569 image.start_address_set = 0;
2570
2571 if ((retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2572 {
2573 return retval;
2574 }
2575
2576 image_size = 0x0;
2577 retval = ERROR_OK;
2578 for (i = 0; i < image.num_sections; i++)
2579 {
2580 buffer = malloc(image.sections[i].size);
2581 if (buffer == NULL)
2582 {
2583 command_print(cmd_ctx,
2584 "error allocating buffer for section (%d bytes)",
2585 (int)(image.sections[i].size));
2586 break;
2587 }
2588 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2589 {
2590 free(buffer);
2591 break;
2592 }
2593
2594 if (verify)
2595 {
2596 /* calculate checksum of image */
2597 image_calculate_checksum(buffer, buf_cnt, &checksum);
2598
2599 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2600 if (retval != ERROR_OK)
2601 {
2602 free(buffer);
2603 break;
2604 }
2605
2606 if (checksum != mem_checksum)
2607 {
2608 /* failed crc checksum, fall back to a binary compare */
2609 uint8_t *data;
2610
2611 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2612
2613 data = (uint8_t*)malloc(buf_cnt);
2614
2615 /* Can we use 32bit word accesses? */
2616 int size = 1;
2617 int count = buf_cnt;
2618 if ((count % 4) == 0)
2619 {
2620 size *= 4;
2621 count /= 4;
2622 }
2623 retval = target_read_memory(target, image.sections[i].base_address, size, count, data);
2624 if (retval == ERROR_OK)
2625 {
2626 uint32_t t;
2627 for (t = 0; t < buf_cnt; t++)
2628 {
2629 if (data[t] != buffer[t])
2630 {
2631 command_print(cmd_ctx,
2632 "Verify operation failed address 0x%08x. Was 0x%02x instead of 0x%02x\n",
2633 (unsigned)(t + image.sections[i].base_address),
2634 data[t],
2635 buffer[t]);
2636 free(data);
2637 free(buffer);
2638 retval = ERROR_FAIL;
2639 goto done;
2640 }
2641 if ((t%16384) == 0)
2642 {
2643 keep_alive();
2644 }
2645 }
2646 }
2647
2648 free(data);
2649 }
2650 } else
2651 {
2652 command_print(cmd_ctx, "address 0x%08" PRIx32 " length 0x%08" PRIx32 "",
2653 image.sections[i].base_address,
2654 buf_cnt);
2655 }
2656
2657 free(buffer);
2658 image_size += buf_cnt;
2659 }
2660 done:
2661 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
2662 {
2663 command_print(cmd_ctx, "verified %" PRIu32 " bytes "
2664 "in %fs (%0.3f kb/s)", image_size,
2665 duration_elapsed(&bench), duration_kbps(&bench, image_size));
2666 }
2667
2668 image_close(&image);
2669
2670 return retval;
2671 }
2672
2673 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2674 {
2675 return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 1);
2676 }
2677
2678 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2679 {
2680 return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 0);
2681 }
2682
2683 static int handle_bp_command_list(struct command_context_s *cmd_ctx)
2684 {
2685 target_t *target = get_current_target(cmd_ctx);
2686 breakpoint_t *breakpoint = target->breakpoints;
2687 while (breakpoint)
2688 {
2689 if (breakpoint->type == BKPT_SOFT)
2690 {
2691 char* buf = buf_to_str(breakpoint->orig_instr,
2692 breakpoint->length, 16);
2693 command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i, 0x%s",
2694 breakpoint->address,
2695 breakpoint->length,
2696 breakpoint->set, buf);
2697 free(buf);
2698 }
2699 else
2700 {
2701 command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i",
2702 breakpoint->address,
2703 breakpoint->length, breakpoint->set);
2704 }
2705
2706 breakpoint = breakpoint->next;
2707 }
2708 return ERROR_OK;
2709 }
2710
2711 static int handle_bp_command_set(struct command_context_s *cmd_ctx,
2712 uint32_t addr, uint32_t length, int hw)
2713 {
2714 target_t *target = get_current_target(cmd_ctx);
2715 int retval = breakpoint_add(target, addr, length, hw);
2716 if (ERROR_OK == retval)
2717 command_print(cmd_ctx, "breakpoint set at 0x%8.8" PRIx32 "", addr);
2718 else
2719 LOG_ERROR("Failure setting breakpoint");
2720 return retval;
2721 }
2722
2723 static int handle_bp_command(struct command_context_s *cmd_ctx,
2724 char *cmd, char **args, int argc)
2725 {
2726 if (argc == 0)
2727 return handle_bp_command_list(cmd_ctx);
2728
2729 if (argc < 2 || argc > 3)
2730 {
2731 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2732 return ERROR_COMMAND_SYNTAX_ERROR;
2733 }
2734
2735 uint32_t addr;
2736 COMMAND_PARSE_NUMBER(u32, args[0], addr);
2737 uint32_t length;
2738 COMMAND_PARSE_NUMBER(u32, args[1], length);
2739
2740 int hw = BKPT_SOFT;
2741 if (argc == 3)
2742 {
2743 if (strcmp(args[2], "hw") == 0)
2744 hw = BKPT_HARD;
2745 else
2746 return ERROR_COMMAND_SYNTAX_ERROR;
2747 }
2748
2749 return handle_bp_command_set(cmd_ctx, addr, length, hw);
2750 }
2751
2752 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2753 {
2754 if (argc != 1)
2755 return ERROR_COMMAND_SYNTAX_ERROR;
2756
2757 uint32_t addr;
2758 COMMAND_PARSE_NUMBER(u32, args[0], addr);
2759
2760 target_t *target = get_current_target(cmd_ctx);
2761 breakpoint_remove(target, addr);
2762
2763 return ERROR_OK;
2764 }
2765
2766 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2767 {
2768 target_t *target = get_current_target(cmd_ctx);
2769
2770 if (argc == 0)
2771 {
2772 watchpoint_t *watchpoint = target->watchpoints;
2773
2774 while (watchpoint)
2775 {
2776 command_print(cmd_ctx,
2777 "address: 0x%8.8" PRIx32 ", len: 0x%8.8x, r/w/a: %i, value: 0x%8.8" PRIx32 ", mask: 0x%8.8" PRIx32 "",
2778 watchpoint->address,
2779 watchpoint->length,
2780 (int)(watchpoint->rw),
2781 watchpoint->value,
2782 watchpoint->mask);
2783 watchpoint = watchpoint->next;
2784 }
2785 return ERROR_OK;
2786 }
2787
2788 enum watchpoint_rw type = WPT_ACCESS;
2789 uint32_t addr = 0;
2790 uint32_t length = 0;
2791 uint32_t data_value = 0x0;
2792 uint32_t data_mask = 0xffffffff;
2793
2794 switch (argc)
2795 {
2796 case 5:
2797 COMMAND_PARSE_NUMBER(u32, args[4], data_mask);
2798 // fall through
2799 case 4:
2800 COMMAND_PARSE_NUMBER(u32, args[3], data_value);
2801 // fall through
2802 case 3:
2803 switch (args[2][0])
2804 {
2805 case 'r':
2806 type = WPT_READ;
2807 break;
2808 case 'w':
2809 type = WPT_WRITE;
2810 break;
2811 case 'a':
2812 type = WPT_ACCESS;
2813 break;
2814 default:
2815 LOG_ERROR("invalid watchpoint mode ('%c')", args[2][0]);
2816 return ERROR_COMMAND_SYNTAX_ERROR;
2817 }
2818 // fall through
2819 case 2:
2820 COMMAND_PARSE_NUMBER(u32, args[1], length);
2821 COMMAND_PARSE_NUMBER(u32, args[0], addr);
2822 break;
2823
2824 default:
2825 command_print(cmd_ctx, "usage: wp [address length "
2826 "[(r|w|a) [value [mask]]]]");
2827 return ERROR_COMMAND_SYNTAX_ERROR;
2828 }
2829
2830 int retval = watchpoint_add(target, addr, length, type,
2831 data_value, data_mask);
2832 if (ERROR_OK != retval)
2833 LOG_ERROR("Failure setting watchpoints");
2834
2835 return retval;
2836 }
2837
2838 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2839 {
2840 if (argc != 1)
2841 return ERROR_COMMAND_SYNTAX_ERROR;
2842
2843 uint32_t addr;
2844 COMMAND_PARSE_NUMBER(u32, args[0], addr);
2845
2846 target_t *target = get_current_target(cmd_ctx);
2847 watchpoint_remove(target, addr);
2848
2849 return ERROR_OK;
2850 }
2851
2852
2853 /**
2854 * Translate a virtual address to a physical address.
2855 *
2856 * The low-level target implementation must have logged a detailed error
2857 * which is forwarded to telnet/GDB session.
2858 */
2859 static int handle_virt2phys_command(command_context_t *cmd_ctx,
2860 char *cmd, char **args, int argc)
2861 {
2862 if (argc != 1)
2863 return ERROR_COMMAND_SYNTAX_ERROR;
2864
2865 uint32_t va;
2866 COMMAND_PARSE_NUMBER(u32, args[0], va);
2867 uint32_t pa;
2868
2869 target_t *target = get_current_target(cmd_ctx);
2870 int retval = target->type->virt2phys(target, va, &pa);
2871 if (retval == ERROR_OK)
2872 command_print(cmd_ctx, "Physical address 0x%08" PRIx32 "", pa);
2873
2874 return retval;
2875 }
2876
2877 static void writeData(FILE *f, const void *data, size_t len)
2878 {
2879 size_t written = fwrite(data, 1, len, f);
2880 if (written != len)
2881 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
2882 }
2883
2884 static void writeLong(FILE *f, int l)
2885 {
2886 int i;
2887 for (i = 0; i < 4; i++)
2888 {
2889 char c = (l >> (i*8))&0xff;
2890 writeData(f, &c, 1);
2891 }
2892
2893 }
2894
2895 static void writeString(FILE *f, char *s)
2896 {
2897 writeData(f, s, strlen(s));
2898 }
2899
2900 /* Dump a gmon.out histogram file. */
2901 static void writeGmon(uint32_t *samples, uint32_t sampleNum, char *filename)
2902 {
2903 uint32_t i;
2904 FILE *f = fopen(filename, "w");
2905 if (f == NULL)
2906 return;
2907 writeString(f, "gmon");
2908 writeLong(f, 0x00000001); /* Version */
2909 writeLong(f, 0); /* padding */
2910 writeLong(f, 0); /* padding */
2911 writeLong(f, 0); /* padding */
2912
2913 uint8_t zero = 0; /* GMON_TAG_TIME_HIST */
2914 writeData(f, &zero, 1);
2915
2916 /* figure out bucket size */
2917 uint32_t min = samples[0];
2918 uint32_t max = samples[0];
2919 for (i = 0; i < sampleNum; i++)
2920 {
2921 if (min > samples[i])
2922 {
2923 min = samples[i];
2924 }
2925 if (max < samples[i])
2926 {
2927 max = samples[i];
2928 }
2929 }
2930
2931 int addressSpace = (max-min + 1);
2932
2933 static const uint32_t maxBuckets = 256 * 1024; /* maximum buckets. */
2934 uint32_t length = addressSpace;
2935 if (length > maxBuckets)
2936 {
2937 length = maxBuckets;
2938 }
2939 int *buckets = malloc(sizeof(int)*length);
2940 if (buckets == NULL)
2941 {
2942 fclose(f);
2943 return;
2944 }
2945 memset(buckets, 0, sizeof(int)*length);
2946 for (i = 0; i < sampleNum;i++)
2947 {
2948 uint32_t address = samples[i];
2949 long long a = address-min;
2950 long long b = length-1;
2951 long long c = addressSpace-1;
2952 int index = (a*b)/c; /* danger!!!! int32 overflows */
2953 buckets[index]++;
2954 }
2955
2956 /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
2957 writeLong(f, min); /* low_pc */
2958 writeLong(f, max); /* high_pc */
2959 writeLong(f, length); /* # of samples */
2960 writeLong(f, 64000000); /* 64MHz */
2961 writeString(f, "seconds");
2962 for (i = 0; i < (15-strlen("seconds")); i++)
2963 writeData(f, &zero, 1);
2964 writeString(f, "s");
2965
2966 /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
2967
2968 char *data = malloc(2*length);
2969 if (data != NULL)
2970 {
2971 for (i = 0; i < length;i++)
2972 {
2973 int val;
2974 val = buckets[i];
2975 if (val > 65535)
2976 {
2977 val = 65535;
2978 }
2979 data[i*2]=val&0xff;
2980 data[i*2 + 1]=(val >> 8)&0xff;
2981 }
2982 free(buckets);
2983 writeData(f, data, length * 2);
2984 free(data);
2985 } else
2986 {
2987 free(buckets);
2988 }
2989
2990 fclose(f);
2991 }
2992
2993 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2994 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2995 {
2996 target_t *target = get_current_target(cmd_ctx);
2997 struct timeval timeout, now;
2998
2999 gettimeofday(&timeout, NULL);
3000 if (argc != 2)
3001 {
3002 return ERROR_COMMAND_SYNTAX_ERROR;
3003 }
3004 unsigned offset;
3005 COMMAND_PARSE_NUMBER(uint, args[0], offset);
3006
3007 timeval_add_time(&timeout, offset, 0);
3008
3009 command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
3010
3011 static const int maxSample = 10000;
3012 uint32_t *samples = malloc(sizeof(uint32_t)*maxSample);
3013 if (samples == NULL)
3014 return ERROR_OK;
3015
3016 int numSamples = 0;
3017 /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
3018 reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
3019
3020 for (;;)
3021 {
3022 int retval;
3023 target_poll(target);
3024 if (target->state == TARGET_HALTED)
3025 {
3026 uint32_t t=*((uint32_t *)reg->value);
3027 samples[numSamples++]=t;
3028 retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3029 target_poll(target);
3030 alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
3031 } else if (target->state == TARGET_RUNNING)
3032 {
3033 /* We want to quickly sample the PC. */
3034 if ((retval = target_halt(target)) != ERROR_OK)
3035 {
3036 free(samples);
3037 return retval;
3038 }
3039 } else
3040 {
3041 command_print(cmd_ctx, "Target not halted or running");
3042 retval = ERROR_OK;
3043 break;
3044 }
3045 if (retval != ERROR_OK)
3046 {
3047 break;
3048 }
3049
3050 gettimeofday(&now, NULL);
3051 if ((numSamples >= maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
3052 {
3053 command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
3054 if ((retval = target_poll(target)) != ERROR_OK)
3055 {
3056 free(samples);
3057 return retval;
3058 }
3059 if (target->state == TARGET_HALTED)
3060 {
3061 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3062 }
3063 if ((retval = target_poll(target)) != ERROR_OK)
3064 {
3065 free(samples);
3066 return retval;
3067 }
3068 writeGmon(samples, numSamples, args[1]);
3069 command_print(cmd_ctx, "Wrote %s", args[1]);
3070 break;
3071 }
3072 }
3073 free(samples);
3074
3075 return ERROR_OK;
3076 }
3077
3078 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t val)
3079 {
3080 char *namebuf;
3081 Jim_Obj *nameObjPtr, *valObjPtr;
3082 int result;
3083
3084 namebuf = alloc_printf("%s(%d)", varname, idx);
3085 if (!namebuf)
3086 return JIM_ERR;
3087
3088 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3089 valObjPtr = Jim_NewIntObj(interp, val);
3090 if (!nameObjPtr || !valObjPtr)
3091 {
3092 free(namebuf);
3093 return JIM_ERR;
3094 }
3095
3096 Jim_IncrRefCount(nameObjPtr);
3097 Jim_IncrRefCount(valObjPtr);
3098 result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
3099 Jim_DecrRefCount(interp, nameObjPtr);
3100 Jim_DecrRefCount(interp, valObjPtr);
3101 free(namebuf);
3102 /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
3103 return result;
3104 }
3105
3106 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3107 {
3108 command_context_t *context;
3109 target_t *target;
3110
3111 context = Jim_GetAssocData(interp, "context");
3112 if (context == NULL)
3113 {
3114 LOG_ERROR("mem2array: no command context");
3115 return JIM_ERR;
3116 }
3117 target = get_current_target(context);
3118 if (target == NULL)
3119 {
3120 LOG_ERROR("mem2array: no current target");
3121 return JIM_ERR;
3122 }
3123
3124 return target_mem2array(interp, target, argc-1, argv + 1);
3125 }
3126
3127 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
3128 {
3129 long l;
3130 uint32_t width;
3131 int len;
3132 uint32_t addr;
3133 uint32_t count;
3134 uint32_t v;
3135 const char *varname;
3136 uint8_t buffer[4096];
3137 int n, e, retval;
3138 uint32_t i;
3139
3140 /* argv[1] = name of array to receive the data
3141 * argv[2] = desired width
3142 * argv[3] = memory address
3143 * argv[4] = count of times to read
3144 */
3145 if (argc != 4) {
3146 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3147 return JIM_ERR;
3148 }
3149 varname = Jim_GetString(argv[0], &len);
3150 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3151
3152 e = Jim_GetLong(interp, argv[1], &l);
3153 width = l;
3154 if (e != JIM_OK) {
3155 return e;
3156 }
3157
3158 e = Jim_GetLong(interp, argv[2], &l);
3159 addr = l;
3160 if (e != JIM_OK) {
3161 return e;
3162 }
3163 e = Jim_GetLong(interp, argv[3], &l);
3164 len = l;
3165 if (e != JIM_OK) {
3166 return e;
3167 }
3168 switch (width) {
3169 case 8:
3170 width = 1;
3171 break;
3172 case 16:
3173 width = 2;
3174 break;
3175 case 32:
3176 width = 4;
3177 break;
3178 default:
3179 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3180 Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3181 return JIM_ERR;
3182 }
3183 if (len == 0) {
3184 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3185 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
3186 return JIM_ERR;
3187 }
3188 if ((addr + (len * width)) < addr) {
3189 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3190 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
3191 return JIM_ERR;
3192 }
3193 /* absurd transfer size? */
3194 if (len > 65536) {
3195 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3196 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
3197 return JIM_ERR;
3198 }
3199
3200 if ((width == 1) ||
3201 ((width == 2) && ((addr & 1) == 0)) ||
3202 ((width == 4) && ((addr & 3) == 0))) {
3203 /* all is well */
3204 } else {
3205 char buf[100];
3206 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3207 sprintf(buf, "mem2array address: 0x%08" PRIx32 " is not aligned for %" PRId32 " byte reads",
3208 addr,
3209 width);
3210 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3211 return JIM_ERR;
3212 }
3213
3214 /* Transfer loop */
3215
3216 /* index counter */
3217 n = 0;
3218 /* assume ok */
3219 e = JIM_OK;
3220 while (len) {
3221 /* Slurp... in buffer size chunks */
3222
3223 count = len; /* in objects.. */
3224 if (count > (sizeof(buffer)/width)) {
3225 count = (sizeof(buffer)/width);
3226 }
3227
3228 retval = target_read_memory(target, addr, width, count, buffer);
3229 if (retval != ERROR_OK) {
3230 /* BOO !*/
3231 LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed",
3232 (unsigned int)addr,
3233 (int)width,
3234 (int)count);
3235 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3236 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
3237 e = JIM_ERR;
3238 len = 0;
3239 } else {
3240 v = 0; /* shut up gcc */
3241 for (i = 0 ;i < count ;i++, n++) {
3242 switch (width) {
3243 case 4:
3244 v = target_buffer_get_u32(target, &buffer[i*width]);
3245 break;
3246 case 2:
3247 v = target_buffer_get_u16(target, &buffer[i*width]);
3248 break;
3249 case 1:
3250 v = buffer[i] & 0x0ff;
3251 break;
3252 }
3253 new_int_array_element(interp, varname, n, v);
3254 }
3255 len -= count;
3256 }
3257 }
3258
3259 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3260
3261 return JIM_OK;
3262 }
3263
3264 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t *val)
3265 {
3266 char *namebuf;
3267 Jim_Obj *nameObjPtr, *valObjPtr;
3268 int result;
3269 long l;
3270
3271 namebuf = alloc_printf("%s(%d)", varname, idx);
3272 if (!namebuf)
3273 return JIM_ERR;
3274
3275 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3276 if (!nameObjPtr)
3277 {
3278 free(namebuf);
3279 return JIM_ERR;
3280 }
3281
3282 Jim_IncrRefCount(nameObjPtr);
3283 valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
3284 Jim_DecrRefCount(interp, nameObjPtr);
3285 free(namebuf);
3286 if (valObjPtr == NULL)
3287 return JIM_ERR;
3288
3289 result = Jim_GetLong(interp, valObjPtr, &l);
3290 /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
3291 *val = l;
3292 return result;
3293 }
3294
3295 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3296 {
3297 command_context_t *context;
3298 target_t *target;
3299
3300 context = Jim_GetAssocData(interp, "context");
3301 if (context == NULL) {
3302 LOG_ERROR("array2mem: no command context");
3303 return JIM_ERR;
3304 }
3305 target = get_current_target(context);
3306 if (target == NULL) {
3307 LOG_ERROR("array2mem: no current target");
3308 return JIM_ERR;
3309 }
3310
3311 return target_array2mem(interp,target, argc-1, argv + 1);
3312 }
3313 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
3314 {
3315 long l;
3316 uint32_t width;
3317 int len;
3318 uint32_t addr;
3319 uint32_t count;
3320 uint32_t v;
3321 const char *varname;
3322 uint8_t buffer[4096];
3323 int n, e, retval;
3324 uint32_t i;
3325
3326 /* argv[1] = name of array to get the data
3327 * argv[2] = desired width
3328 * argv[3] = memory address
3329 * argv[4] = count to write
3330 */
3331 if (argc != 4) {
3332 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3333 return JIM_ERR;
3334 }
3335 varname = Jim_GetString(argv[0], &len);
3336 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3337
3338 e = Jim_GetLong(interp, argv[1], &l);
3339 width = l;
3340 if (e != JIM_OK) {
3341 return e;
3342 }
3343
3344 e = Jim_GetLong(interp, argv[2], &l);
3345 addr = l;
3346 if (e != JIM_OK) {
3347 return e;
3348 }
3349 e = Jim_GetLong(interp, argv[3], &l);
3350 len = l;
3351 if (e != JIM_OK) {
3352 return e;
3353 }
3354 switch (width) {
3355 case 8:
3356 width = 1;
3357 break;
3358 case 16:
3359 width = 2;
3360 break;
3361 case 32:
3362 width = 4;
3363 break;
3364 default:
3365 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3366 Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3367 return JIM_ERR;
3368 }
3369 if (len == 0) {
3370 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3371 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
3372 return JIM_ERR;
3373 }
3374 if ((addr + (len * width)) < addr) {
3375 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3376 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
3377 return JIM_ERR;
3378 }
3379 /* absurd transfer size? */
3380 if (len > 65536) {
3381 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3382 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
3383 return JIM_ERR;
3384 }
3385
3386 if ((width == 1) ||
3387 ((width == 2) && ((addr & 1) == 0)) ||
3388 ((width == 4) && ((addr & 3) == 0))) {
3389 /* all is well */
3390 } else {
3391 char buf[100];
3392 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3393 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads",
3394 (unsigned int)addr,
3395 (int)width);
3396 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3397 return JIM_ERR;
3398 }
3399
3400 /* Transfer loop */
3401
3402 /* index counter */
3403 n = 0;
3404 /* assume ok */
3405 e = JIM_OK;
3406 while (len) {
3407 /* Slurp... in buffer size chunks */
3408
3409 count = len; /* in objects.. */
3410 if (count > (sizeof(buffer)/width)) {
3411 count = (sizeof(buffer)/width);
3412 }
3413
3414 v = 0; /* shut up gcc */
3415 for (i = 0 ;i < count ;i++, n++) {
3416 get_int_array_element(interp, varname, n, &v);
3417 switch (width) {
3418 case 4:
3419 target_buffer_set_u32(target, &buffer[i*width], v);
3420 break;
3421 case 2:
3422 target_buffer_set_u16(target, &buffer[i*width], v);
3423 break;
3424 case 1:
3425 buffer[i] = v & 0x0ff;
3426 break;
3427 }
3428 }
3429 len -= count;
3430
3431 retval = target_write_memory(target, addr, width, count, buffer);
3432 if (retval != ERROR_OK) {
3433 /* BOO !*/
3434 LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed",
3435 (unsigned int)addr,
3436 (int)width,
3437 (int)count);
3438 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3439 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3440 e = JIM_ERR;
3441 len = 0;
3442 }
3443 }
3444
3445 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3446
3447 return JIM_OK;
3448 }
3449
3450 void target_all_handle_event(enum target_event e)
3451 {
3452 target_t *target;
3453
3454 LOG_DEBUG("**all*targets: event: %d, %s",
3455 (int)e,
3456 Jim_Nvp_value2name_simple(nvp_target_event, e)->name);
3457
3458 target = all_targets;
3459 while (target) {
3460 target_handle_event(target, e);
3461 target = target->next;
3462 }
3463 }
3464
3465
3466 /* FIX? should we propagate errors here rather than printing them
3467 * and continuing?
3468 */
3469 void target_handle_event(target_t *target, enum target_event e)
3470 {
3471 target_event_action_t *teap;
3472
3473 for (teap = target->event_action; teap != NULL; teap = teap->next) {
3474 if (teap->event == e) {
3475 LOG_DEBUG("target: (%d) %s (%s) event: %d (%s) action: %s",
3476 target->target_number,
3477 target->cmd_name,
3478 target_get_name(target),
3479 e,
3480 Jim_Nvp_value2name_simple(nvp_target_event, e)->name,
3481 Jim_GetString(teap->body, NULL));
3482 if (Jim_EvalObj(interp, teap->body) != JIM_OK)
3483 {
3484 Jim_PrintErrorMessage(interp);
3485 }
3486 }
3487 }
3488 }
3489
3490 enum target_cfg_param {
3491 TCFG_TYPE,
3492 TCFG_EVENT,
3493 TCFG_WORK_AREA_VIRT,
3494 TCFG_WORK_AREA_PHYS,
3495 TCFG_WORK_AREA_SIZE,
3496 TCFG_WORK_AREA_BACKUP,
3497 TCFG_ENDIAN,
3498 TCFG_VARIANT,
3499 TCFG_CHAIN_POSITION,
3500 };
3501
3502 static Jim_Nvp nvp_config_opts[] = {
3503 { .name = "-type", .value = TCFG_TYPE },
3504 { .name = "-event", .value = TCFG_EVENT },
3505 { .name = "-work-area-virt", .value = TCFG_WORK_AREA_VIRT },
3506 { .name = "-work-area-phys", .value = TCFG_WORK_AREA_PHYS },
3507 { .name = "-work-area-size", .value = TCFG_WORK_AREA_SIZE },
3508 { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3509 { .name = "-endian" , .value = TCFG_ENDIAN },
3510 { .name = "-variant", .value = TCFG_VARIANT },
3511 { .name = "-chain-position", .value = TCFG_CHAIN_POSITION },
3512
3513 { .name = NULL, .value = -1 }
3514 };
3515
3516 static int target_configure(Jim_GetOptInfo *goi, target_t *target)
3517 {
3518 Jim_Nvp *n;
3519 Jim_Obj *o;
3520 jim_wide w;
3521 char *cp;
3522 int e;
3523
3524 /* parse config or cget options ... */
3525 while (goi->argc > 0) {
3526 Jim_SetEmptyResult(goi->interp);
3527 /* Jim_GetOpt_Debug(goi); */
3528
3529 if (target->type->target_jim_configure) {
3530 /* target defines a configure function */
3531 /* target gets first dibs on parameters */
3532 e = (*(target->type->target_jim_configure))(target, goi);
3533 if (e == JIM_OK) {
3534 /* more? */
3535 continue;
3536 }
3537 if (e == JIM_ERR) {
3538 /* An error */
3539 return e;
3540 }
3541 /* otherwise we 'continue' below */
3542 }
3543 e = Jim_GetOpt_Nvp(goi, nvp_config_opts, &n);
3544 if (e != JIM_OK) {
3545 Jim_GetOpt_NvpUnknown(goi, nvp_config_opts, 0);
3546 return e;
3547 }
3548 switch (n->value) {
3549 case TCFG_TYPE:
3550 /* not setable */
3551 if (goi->isconfigure) {
3552 Jim_SetResult_sprintf(goi->interp, "not setable: %s", n->name);
3553 return JIM_ERR;
3554 } else {
3555 no_params:
3556 if (goi->argc != 0) {
3557 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "NO PARAMS");
3558 return JIM_ERR;
3559 }
3560 }
3561 Jim_SetResultString(goi->interp, target_get_name(target), -1);
3562 /* loop for more */
3563 break;
3564 case TCFG_EVENT:
3565 if (goi->argc == 0) {
3566 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3567 return JIM_ERR;
3568 }
3569
3570 e = Jim_GetOpt_Nvp(goi, nvp_target_event, &n);
3571 if (e != JIM_OK) {
3572 Jim_GetOpt_NvpUnknown(goi, nvp_target_event, 1);
3573 return e;
3574 }
3575
3576 if (goi->isconfigure) {
3577 if (goi->argc != 1) {
3578 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3579 return JIM_ERR;
3580 }
3581 } else {
3582 if (goi->argc != 0) {
3583 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3584 return JIM_ERR;
3585 }
3586 }
3587
3588 {
3589 target_event_action_t *teap;
3590
3591 teap = target->event_action;
3592 /* replace existing? */
3593 while (teap) {
3594 if (teap->event == (enum target_event)n->value) {
3595 break;
3596 }
3597 teap = teap->next;
3598 }
3599
3600 if (goi->isconfigure) {
3601 bool replace = true;
3602 if (teap == NULL) {
3603 /* create new */
3604 teap = calloc(1, sizeof(*teap));
3605 replace = false;
3606 }
3607 teap->event = n->value;
3608 Jim_GetOpt_Obj(goi, &o);
3609 if (teap->body) {
3610 Jim_DecrRefCount(interp, teap->body);
3611 }
3612 teap->body = Jim_DuplicateObj(goi->interp, o);
3613 /*
3614 * FIXME:
3615 * Tcl/TK - "tk events" have a nice feature.
3616 * See the "BIND" command.
3617 * We should support that here.
3618 * You can specify %X and %Y in the event code.
3619 * The idea is: %T - target name.
3620 * The idea is: %N - target number
3621 * The idea is: %E - event name.
3622 */
3623 Jim_IncrRefCount(teap->body);
3624
3625 if (!replace)
3626 {
3627 /* add to head of event list */
3628 teap->next = target->event_action;
3629 target->event_action = teap;
3630 }
3631 Jim_SetEmptyResult(goi->interp);
3632 } else {
3633 /* get */
3634 if (teap == NULL) {
3635 Jim_SetEmptyResult(goi->interp);
3636 } else {
3637 Jim_SetResult(goi->interp, Jim_DuplicateObj(goi->interp, teap->body));
3638 }
3639 }
3640 }
3641 /* loop for more */
3642 break;
3643
3644 case TCFG_WORK_AREA_VIRT:
3645 if (goi->isconfigure) {
3646 target_free_all_working_areas(target);
3647 e = Jim_GetOpt_Wide(goi, &w);
3648 if (e != JIM_OK) {
3649 return e;
3650 }
3651 target->working_area_virt = w;
3652 target->working_area_virt_spec = true;
3653 } else {
3654 if (goi->argc != 0) {
3655 goto no_params;
3656 }
3657 }
3658 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_virt));
3659 /* loop for more */
3660 break;
3661
3662 case TCFG_WORK_AREA_PHYS:
3663 if (goi->isconfigure) {
3664 target_free_all_working_areas(target);
3665 e = Jim_GetOpt_Wide(goi, &w);
3666 if (e != JIM_OK) {
3667 return e;
3668 }
3669 target->working_area_phys = w;
3670 target->working_area_phys_spec = true;
3671 } else {
3672 if (goi->argc != 0) {
3673 goto no_params;
3674 }
3675 }
3676 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_phys));
3677 /* loop for more */
3678 break;
3679
3680 case TCFG_WORK_AREA_SIZE:
3681 if (goi->isconfigure) {
3682 target_free_all_working_areas(target);
3683 e = Jim_GetOpt_Wide(goi, &w);
3684 if (e != JIM_OK) {
3685 return e;
3686 }
3687 target->working_area_size = w;
3688 } else {
3689 if (goi->argc != 0) {
3690 goto no_params;
3691 }
3692 }
3693 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_size));
3694 /* loop for more */
3695 break;
3696
3697 case TCFG_WORK_AREA_BACKUP:
3698 if (goi->isconfigure) {
3699 target_free_all_working_areas(target);
3700 e = Jim_GetOpt_Wide(goi, &w);
3701 if (e != JIM_OK) {
3702 return e;
3703 }
3704 /* make this exactly 1 or 0 */
3705 target->backup_working_area = (!!w);
3706 } else {
3707 if (goi->argc != 0) {
3708 goto no_params;
3709 }
3710 }
3711 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->backup_working_area));
3712 /* loop for more e*/
3713 break;
3714
3715 case TCFG_ENDIAN:
3716 if (goi->isconfigure) {
3717 e = Jim_GetOpt_Nvp(goi, nvp_target_endian, &n);
3718 if (e != JIM_OK) {
3719 Jim_GetOpt_NvpUnknown(goi, nvp_target_endian, 1);
3720 return e;
3721 }
3722 target->endianness = n->value;
3723 } else {
3724 if (goi->argc != 0) {
3725 goto no_params;
3726 }
3727 }
3728 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
3729 if (n->name == NULL) {
3730 target->endianness = TARGET_LITTLE_ENDIAN;
3731 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
3732 }
3733 Jim_SetResultString(goi->interp, n->name, -1);
3734 /* loop for more */
3735 break;
3736
3737 case TCFG_VARIANT:
3738 if (goi->isconfigure) {
3739 if (goi->argc < 1) {
3740 Jim_SetResult_sprintf(goi->interp,
3741 "%s ?STRING?",
3742 n->name);
3743 return JIM_ERR;
3744 }
3745 if (target->variant) {
3746 free((void *)(target->variant));
3747 }
3748 e = Jim_GetOpt_String(goi, &cp, NULL);
3749 target->variant = strdup(cp);
3750 } else {
3751 if (goi->argc != 0) {
3752 goto no_params;
3753 }
3754 }
3755 Jim_SetResultString(goi->interp, target->variant,-1);
3756 /* loop for more */
3757 break;
3758 case TCFG_CHAIN_POSITION:
3759 if (goi->isconfigure) {
3760 Jim_Obj *o;
3761 jtag_tap_t *tap;
3762 target_free_all_working_areas(target);
3763 e = Jim_GetOpt_Obj(goi, &o);
3764 if (e != JIM_OK) {
3765 return e;
3766 }
3767 tap = jtag_tap_by_jim_obj(goi->interp, o);
3768 if (tap == NULL) {
3769 return JIM_ERR;
3770 }
3771 /* make this exactly 1 or 0 */
3772 target->tap = tap;
3773 } else {
3774 if (goi->argc != 0) {
3775 goto no_params;
3776 }
3777 }
3778 Jim_SetResultString(interp, target->tap->dotted_name, -1);
3779 /* loop for more e*/
3780 break;
3781 }
3782 } /* while (goi->argc) */
3783
3784
3785 /* done - we return */
3786 return JIM_OK;
3787 }
3788
3789 /** this is the 'tcl' handler for the target specific command */
3790 static int tcl_target_func(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3791 {
3792 Jim_GetOptInfo goi;
3793 jim_wide a,b,c;
3794 int x,y,z;
3795 uint8_t target_buf[32];
3796 Jim_Nvp *n;
3797 target_t *target;
3798 struct command_context_s *cmd_ctx;
3799 int e;
3800
3801 enum {
3802 TS_CMD_CONFIGURE,
3803 TS_CMD_CGET,
3804
3805 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3806 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3807 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3808 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3809 TS_CMD_EXAMINE,
3810 TS_CMD_POLL,
3811 TS_CMD_RESET,
3812 TS_CMD_HALT,
3813 TS_CMD_WAITSTATE,
3814 TS_CMD_EVENTLIST,
3815 TS_CMD_CURSTATE,
3816 TS_CMD_INVOKE_EVENT,
3817 };
3818
3819 static const Jim_Nvp target_options[] = {
3820 { .name = "configure", .value = TS_CMD_CONFIGURE },
3821 { .name = "cget", .value = TS_CMD_CGET },
3822 { .name = "mww", .value = TS_CMD_MWW },
3823 { .name = "mwh", .value = TS_CMD_MWH },
3824 { .name = "mwb", .value = TS_CMD_MWB },
3825 { .name = "mdw", .value = TS_CMD_MDW },
3826 { .name = "mdh", .value = TS_CMD_MDH },
3827 { .name = "mdb", .value = TS_CMD_MDB },
3828 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3829 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3830 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3831 { .name = "curstate", .value = TS_CMD_CURSTATE },
3832
3833 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3834 { .name = "arp_poll", .value = TS_CMD_POLL },
3835 { .name = "arp_reset", .value = TS_CMD_RESET },
3836 { .name = "arp_halt", .value = TS_CMD_HALT },
3837 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3838 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3839
3840 { .name = NULL, .value = -1 },
3841 };
3842
3843 /* go past the "command" */
3844 Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
3845
3846 target = Jim_CmdPrivData(goi.interp);
3847 cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3848
3849 /* commands here are in an NVP table */
3850 e = Jim_GetOpt_Nvp(&goi, target_options, &n);
3851 if (e != JIM_OK) {
3852 Jim_GetOpt_NvpUnknown(&goi, target_options, 0);
3853 return e;
3854 }
3855 /* Assume blank result */
3856 Jim_SetEmptyResult(goi.interp);
3857
3858 switch (n->value) {
3859 case TS_CMD_CONFIGURE:
3860 if (goi.argc < 2) {
3861 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3862 return JIM_ERR;
3863 }
3864 goi.isconfigure = 1;
3865 return target_configure(&goi, target);
3866 case TS_CMD_CGET:
3867 // some things take params
3868 if (goi.argc < 1) {
3869 Jim_WrongNumArgs(goi.interp, 0, goi.argv, "missing: ?-option?");
3870 return JIM_ERR;
3871 }
3872 goi.isconfigure = 0;
3873 return target_configure(&goi, target);
3874 break;
3875 case TS_CMD_MWW:
3876 case TS_CMD_MWH:
3877 case TS_CMD_MWB:
3878 /* argv[0] = cmd
3879 * argv[1] = address
3880 * argv[2] = data
3881 * argv[3] = optional count.
3882 */
3883
3884 if ((goi.argc == 2) || (goi.argc == 3)) {
3885 /* all is well */
3886 } else {
3887 mwx_error:
3888 Jim_SetResult_sprintf(goi.interp, "expected: %s ADDR DATA [COUNT]", n->name);
3889 return JIM_ERR;
3890 }
3891
3892 e = Jim_GetOpt_Wide(&goi, &a);
3893 if (e != JIM_OK) {
3894 goto mwx_error;
3895 }
3896
3897 e = Jim_GetOpt_Wide(&goi, &b);
3898 if (e != JIM_OK) {
3899 goto mwx_error;
3900 }
3901 if (goi.argc == 3) {
3902 e = Jim_GetOpt_Wide(&goi, &c);
3903 if (e != JIM_OK) {
3904 goto mwx_error;
3905 }
3906 } else {
3907 c = 1;
3908 }
3909
3910 switch (n->value) {
3911 case TS_CMD_MWW:
3912 target_buffer_set_u32(target, target_buf, b);
3913 b = 4;
3914 break;
3915 case TS_CMD_MWH:
3916 target_buffer_set_u16(target, target_buf, b);
3917 b = 2;
3918 break;
3919 case TS_CMD_MWB:
3920 target_buffer_set_u8(target, target_buf, b);
3921 b = 1;
3922 break;
3923 }
3924 for (x = 0 ; x < c ; x++) {
3925 e = target_write_memory(target, a, b, 1, target_buf);
3926 if (e != ERROR_OK) {
3927 Jim_SetResult_sprintf(interp, "Error writing @ 0x%08x: %d\n", (int)(a), e);
3928 return JIM_ERR;
3929 }
3930 /* b = width */
3931 a = a + b;
3932 }
3933 return JIM_OK;
3934 break;
3935
3936 /* display */
3937 case TS_CMD_MDW:
3938 case TS_CMD_MDH:
3939 case TS_CMD_MDB:
3940 /* argv[0] = command
3941 * argv[1] = address
3942 * argv[2] = optional count
3943 */
3944 if ((goi.argc == 2) || (goi.argc == 3)) {
3945 Jim_SetResult_sprintf(goi.interp, "expected: %s ADDR [COUNT]", n->name);
3946 return JIM_ERR;
3947 }
3948 e = Jim_GetOpt_Wide(&goi, &a);
3949 if (e != JIM_OK) {
3950 return JIM_ERR;
3951 }
3952 if (goi.argc) {
3953 e = Jim_GetOpt_Wide(&goi, &c);
3954 if (e != JIM_OK) {
3955 return JIM_ERR;
3956 }
3957 } else {
3958 c = 1;
3959 }
3960 b = 1; /* shut up gcc */
3961 switch (n->value) {
3962 case TS_CMD_MDW:
3963 b = 4;
3964 break;
3965 case TS_CMD_MDH:
3966 b = 2;
3967 break;
3968 case TS_CMD_MDB:
3969 b = 1;
3970 break;
3971 }
3972
3973 /* convert to "bytes" */
3974 c = c * b;
3975 /* count is now in 'BYTES' */
3976 while (c > 0) {
3977 y = c;
3978 if (y > 16) {
3979 y = 16;
3980 }
3981 e = target_read_memory(target, a, b, y / b, target_buf);
3982 if (e != ERROR_OK) {
3983 Jim_SetResult_sprintf(interp, "error reading target @ 0x%08lx", (int)(a));
3984 return JIM_ERR;
3985 }
3986
3987 Jim_fprintf(interp, interp->cookie_stdout, "0x%08x ", (int)(a));
3988 switch (b) {
3989 case 4:
3990 for (x = 0 ; (x < 16) && (x < y) ; x += 4) {
3991 z = target_buffer_get_u32(target, &(target_buf[ x * 4 ]));
3992 Jim_fprintf(interp, interp->cookie_stdout, "%08x ", (int)(z));
3993 }
3994 for (; (x < 16) ; x += 4) {
3995 Jim_fprintf(interp, interp->cookie_stdout, " ");
3996 }
3997 break;
3998 case 2:
3999 for (x = 0 ; (x < 16) && (x < y) ; x += 2) {
4000 z = target_buffer_get_u16(target, &(target_buf[ x * 2 ]));
4001 Jim_fprintf(interp, interp->cookie_stdout, "%04x ", (int)(z));
4002 }
4003 for (; (x < 16) ; x += 2) {
4004 Jim_fprintf(interp, interp->cookie_stdout, " ");
4005 }
4006 break;
4007 case 1:
4008 default:
4009 for (x = 0 ; (x < 16) && (x < y) ; x += 1) {
4010 z = target_buffer_get_u8(target, &(target_buf[ x * 4 ]));
4011 Jim_fprintf(interp, interp->cookie_stdout, "%02x ", (int)(z));
4012 }
4013 for (; (x < 16) ; x += 1) {
4014 Jim_fprintf(interp, interp->cookie_stdout, " ");
4015 }
4016 break;
4017 }
4018 /* ascii-ify the bytes */
4019 for (x = 0 ; x < y ; x++) {
4020 if ((target_buf[x] >= 0x20) &&
4021 (target_buf[x] <= 0x7e)) {
4022 /* good */
4023 } else {
4024 /* smack it */
4025 target_buf[x] = '.';
4026 }
4027 }
4028 /* space pad */
4029 while (x < 16) {
4030 target_buf[x] = ' ';
4031 x++;
4032 }
4033 /* terminate */
4034 target_buf[16] = 0;
4035 /* print - with a newline */
4036 Jim_fprintf(interp, interp->cookie_stdout, "%s\n", target_buf);
4037 /* NEXT... */
4038 c -= 16;
4039 a += 16;
4040 }
4041 return JIM_OK;
4042 case TS_CMD_MEM2ARRAY:
4043 return target_mem2array(goi.interp, target, goi.argc, goi.argv);
4044 break;
4045 case TS_CMD_ARRAY2MEM:
4046 return target_array2mem(goi.interp, target, goi.argc, goi.argv);
4047 break;
4048 case TS_CMD_EXAMINE:
4049 if (goi.argc) {
4050 Jim_WrongNumArgs(goi.interp, 2, argv, "[no parameters]");
4051 return JIM_ERR;
4052 }
4053 if (!target->tap->enabled)
4054 goto err_tap_disabled;
4055 e = target->type->examine(target);
4056 if (e != ERROR_OK) {
4057 Jim_SetResult_sprintf(interp, "examine-fails: %d", e);
4058 return JIM_ERR;
4059 }
4060 return JIM_OK;
4061 case TS_CMD_POLL:
4062 if (goi.argc) {
4063 Jim_WrongNumArgs(goi.interp, 2, argv, "[no parameters]");
4064 return JIM_ERR;
4065 }
4066 if (!target->tap->enabled)
4067 goto err_tap_disabled;
4068 if (!(target_was_examined(target))) {
4069 e = ERROR_TARGET_NOT_EXAMINED;
4070 } else {
4071 e = target->type->poll(target);
4072 }
4073 if (e != ERROR_OK) {
4074 Jim_SetResult_sprintf(interp, "poll-fails: %d", e);
4075 return JIM_ERR;
4076 } else {
4077 return JIM_OK;
4078 }
4079 break;
4080 case TS_CMD_RESET:
4081 if (goi.argc != 2) {
4082 Jim_WrongNumArgs(interp, 2, argv,
4083 "([tT]|[fF]|assert|deassert) BOOL");
4084 return JIM_ERR;
4085 }
4086 e = Jim_GetOpt_Nvp(&goi, nvp_assert, &n);
4087 if (e != JIM_OK) {
4088 Jim_GetOpt_NvpUnknown(&goi, nvp_assert, 1);
4089 return e;
4090 }
4091 /* the halt or not param */
4092 e = Jim_GetOpt_Wide(&goi, &a);
4093 if (e != JIM_OK) {
4094 return e;
4095 }
4096 if (!target->tap->enabled)
4097 goto err_tap_disabled;
4098 if (!target->type->assert_reset
4099 || !target->type->deassert_reset) {
4100 Jim_SetResult_sprintf(interp,
4101 "No target-specific reset for %s",
4102 target->cmd_name);
4103 return JIM_ERR;
4104 }
4105 /* determine if we should halt or not. */
4106 target->reset_halt = !!a;
4107 /* When this happens - all workareas are invalid. */
4108 target_free_all_working_areas_restore(target, 0);
4109
4110 /* do the assert */
4111 if (n->value == NVP_ASSERT) {
4112 e = target->type->assert_reset(target);
4113 } else {
4114 e = target->type->deassert_reset(target);
4115 }
4116 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4117 case TS_CMD_HALT:
4118 if (goi.argc) {
4119 Jim_WrongNumArgs(goi.interp, 0, argv, "halt [no parameters]");
4120 return JIM_ERR;
4121 }
4122 if (!target->tap->enabled)
4123 goto err_tap_disabled;
4124 e = target->type->halt(target);
4125 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4126 case TS_CMD_WAITSTATE:
4127 /* params: <name> statename timeoutmsecs */
4128 if (goi.argc != 2) {
4129 Jim_SetResult_sprintf(goi.interp, "%s STATENAME TIMEOUTMSECS", n->name);
4130 return JIM_ERR;
4131 }
4132 e = Jim_GetOpt_Nvp(&goi, nvp_target_state, &n);
4133 if (e != JIM_OK) {
4134 Jim_GetOpt_NvpUnknown(&goi, nvp_target_state,1);
4135 return e;
4136 }
4137 e = Jim_GetOpt_Wide(&goi, &a);
4138 if (e != JIM_OK) {
4139 return e;
4140 }
4141 if (!target->tap->enabled)
4142 goto err_tap_disabled;
4143 e = target_wait_state(target, n->value, a);
4144 if (e != ERROR_OK) {
4145 Jim_SetResult_sprintf(goi.interp,
4146 "target: %s wait %s fails (%d) %s",
4147 target->cmd_name,
4148 n->name,
4149 e, target_strerror_safe(e));
4150 return JIM_ERR;
4151 } else {
4152 return JIM_OK;
4153 }
4154 case TS_CMD_EVENTLIST:
4155 /* List for human, Events defined for this target.
4156 * scripts/programs should use 'name cget -event NAME'
4157 */
4158 {
4159 target_event_action_t *teap;
4160 teap = target->event_action;
4161 command_print(cmd_ctx, "Event actions for target (%d) %s\n",
4162 target->target_number,
4163 target->cmd_name);
4164 command_print(cmd_ctx, "%-25s | Body", "Event");
4165 command_print(cmd_ctx, "------------------------- | ----------------------------------------");
4166 while (teap) {
4167 command_print(cmd_ctx,
4168 "%-25s | %s",
4169 Jim_Nvp_value2name_simple(nvp_target_event, teap->event)->name,
4170 Jim_GetString(teap->body, NULL));
4171 teap = teap->next;
4172 }
4173 command_print(cmd_ctx, "***END***");
4174 return JIM_OK;
4175 }
4176 case TS_CMD_CURSTATE:
4177 if (goi.argc != 0) {
4178 Jim_WrongNumArgs(goi.interp, 0, argv, "[no parameters]");
4179 return JIM_ERR;
4180 }
4181 Jim_SetResultString(goi.interp,
4182 target_state_name( target ),
4183 -1);
4184 return JIM_OK;
4185 case TS_CMD_INVOKE_EVENT:
4186 if (goi.argc != 1) {
4187 Jim_SetResult_sprintf(goi.interp, "%s ?EVENTNAME?",n->name);
4188 return JIM_ERR;
4189 }
4190 e = Jim_GetOpt_Nvp(&goi, nvp_target_event, &n);
4191 if (e != JIM_OK) {
4192 Jim_GetOpt_NvpUnknown(&goi, nvp_target_event, 1);
4193 return e;
4194 }
4195 target_handle_event(target, n->value);
4196 return JIM_OK;
4197 }
4198 return JIM_ERR;
4199
4200 err_tap_disabled:
4201 Jim_SetResult_sprintf(interp, "[TAP is disabled]");
4202 return JIM_ERR;
4203 }
4204
4205 static int target_create(Jim_GetOptInfo *goi)
4206 {
4207 Jim_Obj *new_cmd;
4208 Jim_Cmd *cmd;
4209 const char *cp;
4210 char *cp2;
4211 int e;
4212 int x;
4213 target_t *target;
4214 struct command_context_s *cmd_ctx;
4215
4216 cmd_ctx = Jim_GetAssocData(goi->interp, "context");
4217 if (goi->argc < 3) {
4218 Jim_WrongNumArgs(goi->interp, 1, goi->argv, "?name? ?type? ..options...");
4219 return JIM_ERR;
4220 }
4221
4222 /* COMMAND */
4223 Jim_GetOpt_Obj(goi, &new_cmd);
4224 /* does this command exist? */
4225 cmd = Jim_GetCommand(goi->interp, new_cmd, JIM_ERRMSG);
4226 if (cmd) {
4227 cp = Jim_GetString(new_cmd, NULL);
4228 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
4229 return JIM_ERR;
4230 }
4231
4232 /* TYPE */
4233 e = Jim_GetOpt_String(goi, &cp2, NULL);
4234 cp = cp2;
4235 /* now does target type exist */
4236 for (x = 0 ; target_types[x] ; x++) {
4237 if (0 == strcmp(cp, target_types[x]->name)) {
4238 /* found */
4239 break;
4240 }
4241 }
4242 if (target_types[x] == NULL) {
4243 Jim_SetResult_sprintf(goi->interp, "Unknown target type %s, try one of ", cp);
4244 for (x = 0 ; target_types[x] ; x++) {
4245 if (target_types[x + 1]) {
4246 Jim_AppendStrings(goi->interp,
4247 Jim_GetResult(goi->interp),
4248 target_types[x]->name,
4249 ", ", NULL);
4250 } else {
4251 Jim_AppendStrings(goi->interp,
4252 Jim_GetResult(goi->interp),
4253 " or ",
4254 target_types[x]->name,NULL);
4255 }
4256 }
4257 return JIM_ERR;
4258 }
4259
4260 /* Create it */
4261 target = calloc(1,sizeof(target_t));
4262 /* set target number */
4263 target->target_number = new_target_number();
4264
4265 /* allocate memory for each unique target type */
4266 target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
4267
4268 memcpy(target->type, target_types[x], sizeof(target_type_t));
4269
4270 /* will be set by "-endian" */
4271 target->endianness = TARGET_ENDIAN_UNKNOWN;
4272
4273 target->working_area = 0x0;
4274 target->working_area_size = 0x0;
4275 target->working_areas = NULL;
4276 target->backup_working_area = 0;
4277
4278 target->state = TARGET_UNKNOWN;
4279 target->debug_reason = DBG_REASON_UNDEFINED;
4280 target->reg_cache = NULL;
4281 target->breakpoints = NULL;
4282 target->watchpoints = NULL;
4283 target->next = NULL;
4284 target->arch_info = NULL;
4285
4286 target->display = 1;
4287
4288 target->halt_issued = false;
4289
4290 /* initialize trace information */
4291 target->trace_info = malloc(sizeof(trace_t));
4292 target->trace_info->num_trace_points = 0;
4293 target->trace_info->trace_points_size = 0;
4294 target->trace_info->trace_points = NULL;
4295 target->trace_info->trace_history_size = 0;
4296 target->trace_info->trace_history = NULL;
4297 target->trace_info->trace_history_pos = 0;
4298 target->trace_info->trace_history_overflowed = 0;
4299
4300 target->dbgmsg = NULL;
4301 target->dbg_msg_enabled = 0;
4302
4303 target->endianness = TARGET_ENDIAN_UNKNOWN;
4304
4305 /* Do the rest as "configure" options */
4306 goi->isconfigure = 1;
4307 e = target_configure(goi, target);
4308
4309 if (target->tap == NULL)
4310 {
4311 Jim_SetResultString(interp, "-chain-position required when creating target", -1);
4312 e = JIM_ERR;
4313 }
4314
4315 if (e != JIM_OK) {
4316 free(target->type);
4317 free(target);
4318 return e;
4319 }
4320
4321 if (target->endianness == TARGET_ENDIAN_UNKNOWN) {
4322 /* default endian to little if not specified */
4323 target->endianness = TARGET_LITTLE_ENDIAN;
4324 }
4325
4326 /* incase variant is not set */
4327 if (!target->variant)
4328 target->variant = strdup("");
4329
4330 /* create the target specific commands */
4331 if (target->type->register_commands) {
4332 (*(target->type->register_commands))(cmd_ctx);
4333 }
4334 if (target->type->target_create) {
4335 (*(target->type->target_create))(target, goi->interp);
4336 }
4337
4338 /* append to end of list */
4339 {
4340 target_t **tpp;
4341 tpp = &(all_targets);
4342 while (*tpp) {
4343 tpp = &((*tpp)->next);
4344 }
4345 *tpp = target;
4346 }
4347
4348 cp = Jim_GetString(new_cmd, NULL);
4349 target->cmd_name = strdup(cp);
4350
4351 /* now - create the new target name command */
4352 e = Jim_CreateCommand(goi->interp,
4353 /* name */
4354 cp,
4355 tcl_target_func, /* C function */
4356 target, /* private data */
4357 NULL); /* no del proc */
4358
4359 return e;
4360 }
4361
4362 static int jim_target(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4363 {
4364 int x,r,e;
4365 jim_wide w;
4366 struct command_context_s *cmd_ctx;
4367 target_t *target;
4368 Jim_GetOptInfo goi;
4369 enum tcmd {
4370 /* TG = target generic */
4371 TG_CMD_CREATE,
4372 TG_CMD_TYPES,
4373 TG_CMD_NAMES,
4374 TG_CMD_CURRENT,
4375 TG_CMD_NUMBER,
4376 TG_CMD_COUNT,
4377 };
4378 const char *target_cmds[] = {
4379 "create", "types", "names", "current", "number",
4380 "count",
4381 NULL /* terminate */
4382 };
4383
4384 LOG_DEBUG("Target command params:");
4385 LOG_DEBUG("%s", Jim_Debug_ArgvString(interp, argc, argv));
4386
4387 cmd_ctx = Jim_GetAssocData(interp, "context");
4388
4389 Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
4390
4391 if (goi.argc == 0) {
4392 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
4393 return JIM_ERR;
4394 }
4395
4396 /* Jim_GetOpt_Debug(&goi); */
4397 r = Jim_GetOpt_Enum(&goi, target_cmds, &x);
4398 if (r != JIM_OK) {
4399 return r;
4400 }
4401
4402 switch (x) {
4403 default:
4404 Jim_Panic(goi.interp,"Why am I here?");
4405 return JIM_ERR;
4406 case TG_CMD_CURRENT:
4407 if (goi.argc != 0) {
4408 Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4409 return JIM_ERR;
4410 }
4411 Jim_SetResultString(goi.interp, get_current_target(cmd_ctx)->cmd_name, -1);
4412 return JIM_OK;
4413 case TG_CMD_TYPES:
4414 if (goi.argc != 0) {
4415 Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4416 return JIM_ERR;
4417 }
4418 Jim_SetResult(goi.interp, Jim_NewListObj(goi.interp, NULL, 0));
4419 for (x = 0 ; target_types[x] ; x++) {
4420 Jim_ListAppendElement(goi.interp,
4421 Jim_GetResult(goi.interp),
4422 Jim_NewStringObj(goi.interp, target_types[x]->name, -1));
4423 }
4424 return JIM_OK;
4425 case TG_CMD_NAMES:
4426 if (goi.argc != 0) {
4427 Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4428 return JIM_ERR;
4429 }
4430 Jim_SetResult(goi.interp, Jim_NewListObj(goi.interp, NULL, 0));
4431 target = all_targets;
4432 while (target) {
4433 Jim_ListAppendElement(goi.interp,
4434 Jim_GetResult(goi.interp),
4435 Jim_NewStringObj(goi.interp, target->cmd_name, -1));
4436 target = target->next;
4437 }
4438 return JIM_OK;
4439 case TG_CMD_CREATE:
4440 if (goi.argc < 3) {
4441 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv, "?name ... config options ...");
4442 return JIM_ERR;
4443 }
4444 return target_create(&goi);
4445 break;
4446 case TG_CMD_NUMBER:
4447 /* It's OK to remove this mechanism sometime after August 2010 or so */
4448 LOG_WARNING("don't use numbers as target identifiers; use names");
4449 if (goi.argc != 1) {
4450 Jim_SetResult_sprintf(goi.interp, "expected: target number ?NUMBER?");
4451 return JIM_ERR;
4452 }
4453 e = Jim_GetOpt_Wide(&goi, &w);
4454 if (e != JIM_OK) {
4455 return JIM_ERR;
4456 }
4457 for (x = 0, target = all_targets; target; target = target->next, x++) {
4458 if (target->target_number == w)
4459 break;
4460 }
4461 if (target == NULL) {
4462 Jim_SetResult_sprintf(goi.interp,
4463 "Target: number %d does not exist", (int)(w));
4464 return JIM_ERR;
4465 }
4466 Jim_SetResultString(goi.interp, target->cmd_name, -1);
4467 return JIM_OK;
4468 case TG_CMD_COUNT:
4469 if (goi.argc != 0) {
4470 Jim_WrongNumArgs(goi.interp, 0, goi.argv, "<no parameters>");
4471 return JIM_ERR;
4472 }
4473 for (x = 0, target = all_targets; target; target = target->next, x++)
4474 continue;
4475 Jim_SetResult(goi.interp, Jim_NewIntObj(goi.interp, x));
4476 return JIM_OK;
4477 }
4478
4479 return JIM_ERR;
4480 }
4481
4482
4483 struct FastLoad
4484 {
4485 uint32_t address;
4486 uint8_t *data;
4487 int length;
4488
4489 };
4490
4491 static int fastload_num;
4492 static struct FastLoad *fastload;
4493
4494 static void free_fastload(void)
4495 {
4496 if (fastload != NULL)
4497 {
4498 int i;
4499 for (i = 0; i < fastload_num; i++)
4500 {
4501 if (fastload[i].data)
4502 free(fastload[i].data);
4503 }
4504 free(fastload);
4505 fastload = NULL;
4506 }
4507 }
4508
4509
4510
4511
4512 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4513 {
4514 uint8_t *buffer;
4515 uint32_t buf_cnt;
4516 uint32_t image_size;
4517 uint32_t min_address = 0;
4518 uint32_t max_address = 0xffffffff;
4519 int i;
4520
4521 image_t image;
4522
4523 int retval = parse_load_image_command_args(cmd_ctx, args, argc,
4524 &image, &min_address, &max_address);
4525 if (ERROR_OK != retval)
4526 return retval;
4527
4528 struct duration bench;
4529 duration_start(&bench);
4530
4531 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
4532 {
4533 return ERROR_OK;
4534 }
4535
4536 image_size = 0x0;
4537 retval = ERROR_OK;
4538 fastload_num = image.num_sections;
4539 fastload = (struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
4540 if (fastload == NULL)
4541 {
4542 image_close(&image);
4543 return ERROR_FAIL;
4544 }
4545 memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
4546 for (i = 0; i < image.num_sections; i++)
4547 {
4548 buffer = malloc(image.sections[i].size);
4549 if (buffer == NULL)
4550 {
4551 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)",
4552 (int)(image.sections[i].size));
4553 break;
4554 }
4555
4556 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
4557 {
4558 free(buffer);
4559 break;
4560 }
4561
4562 uint32_t offset = 0;
4563 uint32_t length = buf_cnt;
4564
4565
4566 /* DANGER!!! beware of unsigned comparision here!!! */
4567
4568 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
4569 (image.sections[i].base_address < max_address))
4570 {
4571 if (image.sections[i].base_address < min_address)
4572 {
4573 /* clip addresses below */
4574 offset += min_address-image.sections[i].base_address;
4575 length -= offset;
4576 }
4577
4578 if (image.sections[i].base_address + buf_cnt > max_address)
4579 {
4580 length -= (image.sections[i].base_address + buf_cnt)-max_address;
4581 }
4582
4583 fastload[i].address = image.sections[i].base_address + offset;
4584 fastload[i].data = malloc(length);
4585 if (fastload[i].data == NULL)
4586 {
4587 free(buffer);
4588 break;
4589 }
4590 memcpy(fastload[i].data, buffer + offset, length);
4591 fastload[i].length = length;
4592
4593 image_size += length;
4594 command_print(cmd_ctx, "%u bytes written at address 0x%8.8x",
4595 (unsigned int)length,
4596 ((unsigned int)(image.sections[i].base_address + offset)));
4597 }
4598
4599 free(buffer);
4600 }
4601
4602 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
4603 {
4604 command_print(cmd_ctx, "Loaded %" PRIu32 " bytes "
4605 "in %fs (%0.3f kb/s)", image_size,
4606 duration_elapsed(&bench), duration_kbps(&bench, image_size));
4607
4608 command_print(cmd_ctx,
4609 "WARNING: image has not been loaded to target!"
4610 "You can issue a 'fast_load' to finish loading.");
4611 }
4612
4613 image_close(&image);
4614
4615 if (retval != ERROR_OK)
4616 {
4617 free_fastload();
4618 }
4619
4620 return retval;
4621 }
4622
4623 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4624 {
4625 if (argc > 0)
4626 return ERROR_COMMAND_SYNTAX_ERROR;
4627 if (fastload == NULL)
4628 {
4629 LOG_ERROR("No image in memory");
4630 return ERROR_FAIL;
4631 }
4632 int i;
4633 int ms = timeval_ms();
4634 int size = 0;
4635 int retval = ERROR_OK;
4636 for (i = 0; i < fastload_num;i++)
4637 {
4638 target_t *target = get_current_target(cmd_ctx);
4639 command_print(cmd_ctx, "Write to 0x%08x, length 0x%08x",
4640 (unsigned int)(fastload[i].address),
4641 (unsigned int)(fastload[i].length));
4642 if (retval == ERROR_OK)
4643 {
4644 retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
4645 }
4646 size += fastload[i].length;
4647 }
4648 int after = timeval_ms();
4649 command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
4650 return retval;
4651 }
4652
4653 static int jim_mcrmrc(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4654 {
4655 command_context_t *context;
4656 target_t *target;
4657 int retval;
4658
4659 context = Jim_GetAssocData(interp, "context");
4660 if (context == NULL) {
4661 LOG_ERROR("array2mem: no command context");
4662 return JIM_ERR;
4663 }
4664 target = get_current_target(context);
4665 if (target == NULL) {
4666 LOG_ERROR("array2mem: no current target");
4667 return JIM_ERR;
4668 }
4669
4670 if ((argc < 6) || (argc > 7))
4671 {
4672 return JIM_ERR;
4673 }
4674
4675 int cpnum;
4676 uint32_t op1;
4677 uint32_t op2;
4678 uint32_t CRn;
4679 uint32_t CRm;
4680 uint32_t value;
4681
4682 int e;
4683 long l;
4684 e = Jim_GetLong(interp, argv[1], &l);
4685 if (e != JIM_OK) {
4686 return e;
4687 }
4688 cpnum = l;
4689
4690 e = Jim_GetLong(interp, argv[2], &l);
4691 if (e != JIM_OK) {
4692 return e;
4693 }
4694 op1 = l;
4695
4696 e = Jim_GetLong(interp, argv[3], &l);
4697 if (e != JIM_OK) {
4698 return e;
4699 }
4700 CRn = l;
4701
4702 e = Jim_GetLong(interp, argv[4], &l);
4703 if (e != JIM_OK) {
4704 return e;
4705 }
4706 CRm = l;
4707
4708 e = Jim_GetLong(interp, argv[5], &l);
4709 if (e != JIM_OK) {
4710 return e;
4711 }
4712 op2 = l;
4713
4714 value = 0;
4715
4716 if (argc == 7)
4717 {
4718 e = Jim_GetLong(interp, argv[6], &l);
4719 if (e != JIM_OK) {
4720 return e;
4721 }
4722 value = l;
4723
4724 retval = target_mcr(target, cpnum, op1, op2, CRn, CRm, value);
4725 if (retval != ERROR_OK)
4726 return JIM_ERR;
4727 } else
4728 {
4729 retval = target_mrc(target, cpnum, op1, op2, CRn, CRm, &value);
4730 if (retval != ERROR_OK)
4731 return JIM_ERR;
4732
4733 Jim_SetResult(interp, Jim_NewIntObj(interp, value));
4734 }
4735
4736 return JIM_OK;
4737 }
4738
4739 int target_register_commands(struct command_context_s *cmd_ctx)
4740 {
4741
4742 register_command(cmd_ctx, NULL, "targets",
4743 handle_targets_command, COMMAND_EXEC,
4744 "change current command line target (one parameter) "
4745 "or list targets (no parameters)");
4746
4747 register_jim(cmd_ctx, "target", jim_target, "configure target");
4748
4749 return ERROR_OK;
4750 }
4751
4752 int target_register_user_commands(struct command_context_s *cmd_ctx)
4753 {
4754 int retval = ERROR_OK;
4755 if ((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
4756 return retval;
4757
4758 if ((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
4759 return retval;
4760
4761 register_command(cmd_ctx, NULL, "profile",
4762 handle_profile_command, COMMAND_EXEC,
4763 "profiling samples the CPU PC");
4764
4765 register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array,
4766 "read memory and return as a TCL array for script processing "
4767 "<ARRAYNAME> <WIDTH = 32/16/8> <ADDRESS> <COUNT>");
4768
4769 register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem,
4770 "convert a TCL array to memory locations and write the values "
4771 "<ARRAYNAME> <WIDTH = 32/16/8> <ADDRESS> <COUNT>");
4772
4773 register_command(cmd_ctx, NULL, "fast_load_image",
4774 handle_fast_load_image_command, COMMAND_ANY,
4775 "same args as load_image, image stored in memory "
4776 "- mainly for profiling purposes");
4777
4778 register_command(cmd_ctx, NULL, "fast_load",
4779 handle_fast_load_command, COMMAND_ANY,
4780 "loads active fast load image to current target "
4781 "- mainly for profiling purposes");
4782
4783
4784 register_command(cmd_ctx, NULL, "virt2phys",
4785 handle_virt2phys_command, COMMAND_ANY,
4786 "translate a virtual address into a physical address");
4787 register_command(cmd_ctx, NULL, "reg",
4788 handle_reg_command, COMMAND_EXEC,
4789 "display or set a register");
4790
4791 register_command(cmd_ctx, NULL, "poll",
4792 handle_poll_command, COMMAND_EXEC,
4793 "poll target state");
4794 register_command(cmd_ctx, NULL, "wait_halt",
4795 handle_wait_halt_command, COMMAND_EXEC,
4796 "wait for target halt [time (s)]");
4797 register_command(cmd_ctx, NULL, "halt",
4798 handle_halt_command, COMMAND_EXEC,
4799 "halt target");
4800 register_command(cmd_ctx, NULL, "resume",
4801 handle_resume_command, COMMAND_EXEC,
4802 "resume target [addr]");
4803 register_command(cmd_ctx, NULL, "reset",
4804 handle_reset_command, COMMAND_EXEC,
4805 "reset target [run | halt | init] - default is run");
4806 register_command(cmd_ctx, NULL, "soft_reset_halt",
4807 handle_soft_reset_halt_command, COMMAND_EXEC,
4808 "halt the target and do a soft reset");
4809
4810 register_command(cmd_ctx, NULL, "step",
4811 handle_step_command, COMMAND_EXEC,
4812 "step one instruction from current PC or [addr]");
4813
4814 register_command(cmd_ctx, NULL, "mdw",
4815 handle_md_command, COMMAND_EXEC,
4816 "display memory words [phys] <addr> [count]");
4817 register_command(cmd_ctx, NULL, "mdh",
4818 handle_md_command, COMMAND_EXEC,
4819 "display memory half-words [phys] <addr> [count]");
4820 register_command(cmd_ctx, NULL, "mdb",
4821 handle_md_command, COMMAND_EXEC,
4822 "display memory bytes [phys] <addr> [count]");
4823
4824 register_command(cmd_ctx, NULL, "mww",
4825 handle_mw_command, COMMAND_EXEC,
4826 "write memory word [phys] <addr> <value> [count]");
4827 register_command(cmd_ctx, NULL, "mwh",
4828 handle_mw_command, COMMAND_EXEC,
4829 "write memory half-word [phys] <addr> <value> [count]");
4830 register_command(cmd_ctx, NULL, "mwb",
4831 handle_mw_command, COMMAND_EXEC,
4832 "write memory byte [phys] <addr> <value> [count]");
4833
4834 register_command(cmd_ctx, NULL, "bp",
4835 handle_bp_command, COMMAND_EXEC,
4836 "list or set breakpoint [<address> <length> [hw]]");
4837 register_command(cmd_ctx, NULL, "rbp",
4838 handle_rbp_command, COMMAND_EXEC,
4839 "remove breakpoint <address>");
4840
4841 register_command(cmd_ctx, NULL, "wp",
4842 handle_wp_command, COMMAND_EXEC,
4843 "list or set watchpoint "
4844 "[<address> <length> <r/w/a> [value] [mask]]");
4845 register_command(cmd_ctx, NULL, "rwp",
4846 handle_rwp_command, COMMAND_EXEC,
4847 "remove watchpoint <address>");
4848
4849 register_command(cmd_ctx, NULL, "load_image",
4850 handle_load_image_command, COMMAND_EXEC,
4851 "load_image <file> <address> "
4852 "['bin'|'ihex'|'elf'|'s19'] [min_address] [max_length]");
4853 register_command(cmd_ctx, NULL, "dump_image",
4854 handle_dump_image_command, COMMAND_EXEC,
4855 "dump_image <file> <address> <size>");
4856 register_command(cmd_ctx, NULL, "verify_image",
4857 handle_verify_image_command, COMMAND_EXEC,
4858 "verify_image <file> [offset] [type]");
4859 register_command(cmd_ctx, NULL, "test_image",
4860 handle_test_image_command, COMMAND_EXEC,
4861 "test_image <file> [offset] [type]");
4862
4863 return ERROR_OK;
4864 }
Generic flash access through boundary scans