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target: check args to mrc/mcr.
[openocd/genbsdl.git] / src / target / target.c
blob9b07df18bde6da8ed400e6650e6d9164f3bb8760
1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
4 * *
5 * Copyright (C) 2007-2009 Øyvind Harboe *
6 * oyvind.harboe@zylin.com *
7 * *
8 * Copyright (C) 2008, Duane Ellis *
9 * openocd@duaneeellis.com *
10 * *
11 * Copyright (C) 2008 by Spencer Oliver *
12 * spen@spen-soft.co.uk *
13 * *
14 * Copyright (C) 2008 by Rick Altherr *
15 * kc8apf@kc8apf.net> *
16 * *
17 * This program is free software; you can redistribute it and/or modify *
18 * it under the terms of the GNU General Public License as published by *
19 * the Free Software Foundation; either version 2 of the License, or *
20 * (at your option) any later version. *
21 * *
22 * This program is distributed in the hope that it will be useful, *
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
25 * GNU General Public License for more details. *
26 * *
27 * You should have received a copy of the GNU General Public License *
28 * along with this program; if not, write to the *
29 * Free Software Foundation, Inc., *
30 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
31 ***************************************************************************/
32 #ifdef HAVE_CONFIG_H
33 #include "config.h"
34 #endif
35
36 #include "target.h"
37 #include "target_type.h"
38 #include "target_request.h"
39 #include "time_support.h"
40 #include "register.h"
41 #include "trace.h"
42 #include "image.h"
43 #include "jtag.h"
44
45
46 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
47
48 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
49 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
50 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
51 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
52 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
53 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
54 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
55 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
56 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
57 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
58 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
59 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
60 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
61 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
62 static int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
63 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
64 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
65 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
66 static int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
67 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
68 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
69 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
70
71 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
72 static int jim_mcrmrc(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
73 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
74 static int jim_target(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
75
76 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
77 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
78
79 /* targets */
80 extern target_type_t arm7tdmi_target;
81 extern target_type_t arm720t_target;
82 extern target_type_t arm9tdmi_target;
83 extern target_type_t arm920t_target;
84 extern target_type_t arm966e_target;
85 extern target_type_t arm926ejs_target;
86 extern target_type_t fa526_target;
87 extern target_type_t feroceon_target;
88 extern target_type_t dragonite_target;
89 extern target_type_t xscale_target;
90 extern target_type_t cortexm3_target;
91 extern target_type_t cortexa8_target;
92 extern target_type_t arm11_target;
93 extern target_type_t mips_m4k_target;
94 extern target_type_t avr_target;
95
96 target_type_t *target_types[] =
97 {
98 &arm7tdmi_target,
99 &arm9tdmi_target,
100 &arm920t_target,
101 &arm720t_target,
102 &arm966e_target,
103 &arm926ejs_target,
104 &fa526_target,
105 &feroceon_target,
106 &dragonite_target,
107 &xscale_target,
108 &cortexm3_target,
109 &cortexa8_target,
110 &arm11_target,
111 &mips_m4k_target,
112 &avr_target,
113 NULL,
114 };
115
116 target_t *all_targets = NULL;
117 target_event_callback_t *target_event_callbacks = NULL;
118 target_timer_callback_t *target_timer_callbacks = NULL;
119
120 const Jim_Nvp nvp_assert[] = {
121 { .name = "assert", NVP_ASSERT },
122 { .name = "deassert", NVP_DEASSERT },
123 { .name = "T", NVP_ASSERT },
124 { .name = "F", NVP_DEASSERT },
125 { .name = "t", NVP_ASSERT },
126 { .name = "f", NVP_DEASSERT },
127 { .name = NULL, .value = -1 }
128 };
129
130 const Jim_Nvp nvp_error_target[] = {
131 { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
132 { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
133 { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
134 { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
135 { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
136 { .value = ERROR_TARGET_UNALIGNED_ACCESS , .name = "err-unaligned-access" },
137 { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
138 { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
139 { .value = ERROR_TARGET_TRANSLATION_FAULT , .name = "err-translation-fault" },
140 { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
141 { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
142 { .value = -1, .name = NULL }
143 };
144
145 const char *target_strerror_safe(int err)
146 {
147 const Jim_Nvp *n;
148
149 n = Jim_Nvp_value2name_simple(nvp_error_target, err);
150 if (n->name == NULL) {
151 return "unknown";
152 } else {
153 return n->name;
154 }
155 }
156
157 static const Jim_Nvp nvp_target_event[] = {
158 { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
159 { .value = TARGET_EVENT_OLD_pre_resume , .name = "old-pre_resume" },
160
161 { .value = TARGET_EVENT_GDB_HALT, .name = "gdb-halt" },
162 { .value = TARGET_EVENT_HALTED, .name = "halted" },
163 { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
164 { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
165 { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
166
167 { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
168 { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
169
170 /* historical name */
171
172 { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
173
174 { .value = TARGET_EVENT_RESET_ASSERT_PRE, .name = "reset-assert-pre" },
175 { .value = TARGET_EVENT_RESET_ASSERT_POST, .name = "reset-assert-post" },
176 { .value = TARGET_EVENT_RESET_DEASSERT_PRE, .name = "reset-deassert-pre" },
177 { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
178 { .value = TARGET_EVENT_RESET_HALT_PRE, .name = "reset-halt-pre" },
179 { .value = TARGET_EVENT_RESET_HALT_POST, .name = "reset-halt-post" },
180 { .value = TARGET_EVENT_RESET_WAIT_PRE, .name = "reset-wait-pre" },
181 { .value = TARGET_EVENT_RESET_WAIT_POST, .name = "reset-wait-post" },
182 { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
183 { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
184
185 { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
186 { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
187
188 { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
189 { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
190
191 { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
192 { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
193
194 { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
195 { .value = TARGET_EVENT_GDB_FLASH_WRITE_END , .name = "gdb-flash-write-end" },
196
197 { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
198 { .value = TARGET_EVENT_GDB_FLASH_ERASE_END , .name = "gdb-flash-erase-end" },
199
200 { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
201 { .value = TARGET_EVENT_RESUMED , .name = "resume-ok" },
202 { .value = TARGET_EVENT_RESUME_END , .name = "resume-end" },
203
204 { .name = NULL, .value = -1 }
205 };
206
207 const Jim_Nvp nvp_target_state[] = {
208 { .name = "unknown", .value = TARGET_UNKNOWN },
209 { .name = "running", .value = TARGET_RUNNING },
210 { .name = "halted", .value = TARGET_HALTED },
211 { .name = "reset", .value = TARGET_RESET },
212 { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
213 { .name = NULL, .value = -1 },
214 };
215
216 const Jim_Nvp nvp_target_debug_reason [] = {
217 { .name = "debug-request" , .value = DBG_REASON_DBGRQ },
218 { .name = "breakpoint" , .value = DBG_REASON_BREAKPOINT },
219 { .name = "watchpoint" , .value = DBG_REASON_WATCHPOINT },
220 { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
221 { .name = "single-step" , .value = DBG_REASON_SINGLESTEP },
222 { .name = "target-not-halted" , .value = DBG_REASON_NOTHALTED },
223 { .name = "undefined" , .value = DBG_REASON_UNDEFINED },
224 { .name = NULL, .value = -1 },
225 };
226
227 const Jim_Nvp nvp_target_endian[] = {
228 { .name = "big", .value = TARGET_BIG_ENDIAN },
229 { .name = "little", .value = TARGET_LITTLE_ENDIAN },
230 { .name = "be", .value = TARGET_BIG_ENDIAN },
231 { .name = "le", .value = TARGET_LITTLE_ENDIAN },
232 { .name = NULL, .value = -1 },
233 };
234
235 const Jim_Nvp nvp_reset_modes[] = {
236 { .name = "unknown", .value = RESET_UNKNOWN },
237 { .name = "run" , .value = RESET_RUN },
238 { .name = "halt" , .value = RESET_HALT },
239 { .name = "init" , .value = RESET_INIT },
240 { .name = NULL , .value = -1 },
241 };
242
243 const char *
244 target_state_name( target_t *t )
245 {
246 const char *cp;
247 cp = Jim_Nvp_value2name_simple(nvp_target_state, t->state)->name;
248 if( !cp ){
249 LOG_ERROR("Invalid target state: %d", (int)(t->state));
250 cp = "(*BUG*unknown*BUG*)";
251 }
252 return cp;
253 }
254
255 /* determine the number of the new target */
256 static int new_target_number(void)
257 {
258 target_t *t;
259 int x;
260
261 /* number is 0 based */
262 x = -1;
263 t = all_targets;
264 while (t) {
265 if (x < t->target_number) {
266 x = t->target_number;
267 }
268 t = t->next;
269 }
270 return x + 1;
271 }
272
273 /* read a uint32_t from a buffer in target memory endianness */
274 uint32_t target_buffer_get_u32(target_t *target, const uint8_t *buffer)
275 {
276 if (target->endianness == TARGET_LITTLE_ENDIAN)
277 return le_to_h_u32(buffer);
278 else
279 return be_to_h_u32(buffer);
280 }
281
282 /* read a uint16_t from a buffer in target memory endianness */
283 uint16_t target_buffer_get_u16(target_t *target, const uint8_t *buffer)
284 {
285 if (target->endianness == TARGET_LITTLE_ENDIAN)
286 return le_to_h_u16(buffer);
287 else
288 return be_to_h_u16(buffer);
289 }
290
291 /* read a uint8_t from a buffer in target memory endianness */
292 uint8_t target_buffer_get_u8(target_t *target, const uint8_t *buffer)
293 {
294 return *buffer & 0x0ff;
295 }
296
297 /* write a uint32_t to a buffer in target memory endianness */
298 void target_buffer_set_u32(target_t *target, uint8_t *buffer, uint32_t value)
299 {
300 if (target->endianness == TARGET_LITTLE_ENDIAN)
301 h_u32_to_le(buffer, value);
302 else
303 h_u32_to_be(buffer, value);
304 }
305
306 /* write a uint16_t to a buffer in target memory endianness */
307 void target_buffer_set_u16(target_t *target, uint8_t *buffer, uint16_t value)
308 {
309 if (target->endianness == TARGET_LITTLE_ENDIAN)
310 h_u16_to_le(buffer, value);
311 else
312 h_u16_to_be(buffer, value);
313 }
314
315 /* write a uint8_t to a buffer in target memory endianness */
316 void target_buffer_set_u8(target_t *target, uint8_t *buffer, uint8_t value)
317 {
318 *buffer = value;
319 }
320
321 /* return a pointer to a configured target; id is name or number */
322 target_t *get_target(const char *id)
323 {
324 target_t *target;
325
326 /* try as tcltarget name */
327 for (target = all_targets; target; target = target->next) {
328 if (target->cmd_name == NULL)
329 continue;
330 if (strcmp(id, target->cmd_name) == 0)
331 return target;
332 }
333
334 /* It's OK to remove this fallback sometime after August 2010 or so */
335
336 /* no match, try as number */
337 unsigned num;
338 if (parse_uint(id, &num) != ERROR_OK)
339 return NULL;
340
341 for (target = all_targets; target; target = target->next) {
342 if (target->target_number == (int)num) {
343 LOG_WARNING("use '%s' as target identifier, not '%u'",
344 target->cmd_name, num);
345 return target;
346 }
347 }
348
349 return NULL;
350 }
351
352 /* returns a pointer to the n-th configured target */
353 static target_t *get_target_by_num(int num)
354 {
355 target_t *target = all_targets;
356
357 while (target) {
358 if (target->target_number == num) {
359 return target;
360 }
361 target = target->next;
362 }
363
364 return NULL;
365 }
366
367 target_t* get_current_target(command_context_t *cmd_ctx)
368 {
369 target_t *target = get_target_by_num(cmd_ctx->current_target);
370
371 if (target == NULL)
372 {
373 LOG_ERROR("BUG: current_target out of bounds");
374 exit(-1);
375 }
376
377 return target;
378 }
379
380 int target_poll(struct target_s *target)
381 {
382 int retval;
383
384 /* We can't poll until after examine */
385 if (!target_was_examined(target))
386 {
387 /* Fail silently lest we pollute the log */
388 return ERROR_FAIL;
389 }
390
391 retval = target->type->poll(target);
392 if (retval != ERROR_OK)
393 return retval;
394
395 if (target->halt_issued)
396 {
397 if (target->state == TARGET_HALTED)
398 {
399 target->halt_issued = false;
400 } else
401 {
402 long long t = timeval_ms() - target->halt_issued_time;
403 if (t>1000)
404 {
405 target->halt_issued = false;
406 LOG_INFO("Halt timed out, wake up GDB.");
407 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
408 }
409 }
410 }
411
412 return ERROR_OK;
413 }
414
415 int target_halt(struct target_s *target)
416 {
417 int retval;
418 /* We can't poll until after examine */
419 if (!target_was_examined(target))
420 {
421 LOG_ERROR("Target not examined yet");
422 return ERROR_FAIL;
423 }
424
425 retval = target->type->halt(target);
426 if (retval != ERROR_OK)
427 return retval;
428
429 target->halt_issued = true;
430 target->halt_issued_time = timeval_ms();
431
432 return ERROR_OK;
433 }
434
435 int target_resume(struct target_s *target, int current, uint32_t address, int handle_breakpoints, int debug_execution)
436 {
437 int retval;
438
439 /* We can't poll until after examine */
440 if (!target_was_examined(target))
441 {
442 LOG_ERROR("Target not examined yet");
443 return ERROR_FAIL;
444 }
445
446 /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
447 * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
448 * the application.
449 */
450 if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
451 return retval;
452
453 return retval;
454 }
455
456 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
457 {
458 char buf[100];
459 int retval;
460 Jim_Nvp *n;
461 n = Jim_Nvp_value2name_simple(nvp_reset_modes, reset_mode);
462 if (n->name == NULL) {
463 LOG_ERROR("invalid reset mode");
464 return ERROR_FAIL;
465 }
466
467 /* disable polling during reset to make reset event scripts
468 * more predictable, i.e. dr/irscan & pathmove in events will
469 * not have JTAG operations injected into the middle of a sequence.
470 */
471 bool save_poll = jtag_poll_get_enabled();
472
473 jtag_poll_set_enabled(false);
474
475 sprintf(buf, "ocd_process_reset %s", n->name);
476 retval = Jim_Eval(interp, buf);
477
478 jtag_poll_set_enabled(save_poll);
479
480 if (retval != JIM_OK) {
481 Jim_PrintErrorMessage(interp);
482 return ERROR_FAIL;
483 }
484
485 /* We want any events to be processed before the prompt */
486 retval = target_call_timer_callbacks_now();
487
488 return retval;
489 }
490
491 static int default_virt2phys(struct target_s *target, uint32_t virtual, uint32_t *physical)
492 {
493 *physical = virtual;
494 return ERROR_OK;
495 }
496
497 static int default_mmu(struct target_s *target, int *enabled)
498 {
499 LOG_ERROR("Not implemented.");
500 return ERROR_FAIL;
501 }
502
503 static int default_has_mmu(struct target_s *target, bool *has_mmu)
504 {
505 *has_mmu = true;
506 return ERROR_OK;
507 }
508
509 static int default_examine(struct target_s *target)
510 {
511 target_set_examined(target);
512 return ERROR_OK;
513 }
514
515 int target_examine_one(struct target_s *target)
516 {
517 return target->type->examine(target);
518 }
519
520 static int jtag_enable_callback(enum jtag_event event, void *priv)
521 {
522 target_t *target = priv;
523
524 if (event != JTAG_TAP_EVENT_ENABLE || !target->tap->enabled)
525 return ERROR_OK;
526
527 jtag_unregister_event_callback(jtag_enable_callback, target);
528 return target_examine_one(target);
529 }
530
531
532 /* Targets that correctly implement init + examine, i.e.
533 * no communication with target during init:
534 *
535 * XScale
536 */
537 int target_examine(void)
538 {
539 int retval = ERROR_OK;
540 target_t *target;
541
542 for (target = all_targets; target; target = target->next)
543 {
544 /* defer examination, but don't skip it */
545 if (!target->tap->enabled) {
546 jtag_register_event_callback(jtag_enable_callback,
547 target);
548 continue;
549 }
550 if ((retval = target_examine_one(target)) != ERROR_OK)
551 return retval;
552 }
553 return retval;
554 }
555 const char *target_get_name(struct target_s *target)
556 {
557 return target->type->name;
558 }
559
560 static int target_write_memory_imp(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
561 {
562 if (!target_was_examined(target))
563 {
564 LOG_ERROR("Target not examined yet");
565 return ERROR_FAIL;
566 }
567 return target->type->write_memory_imp(target, address, size, count, buffer);
568 }
569
570 static int target_read_memory_imp(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
571 {
572 if (!target_was_examined(target))
573 {
574 LOG_ERROR("Target not examined yet");
575 return ERROR_FAIL;
576 }
577 return target->type->read_memory_imp(target, address, size, count, buffer);
578 }
579
580 static int target_soft_reset_halt_imp(struct target_s *target)
581 {
582 if (!target_was_examined(target))
583 {
584 LOG_ERROR("Target not examined yet");
585 return ERROR_FAIL;
586 }
587 if (!target->type->soft_reset_halt_imp) {
588 LOG_ERROR("Target %s does not support soft_reset_halt",
589 target->cmd_name);
590 return ERROR_FAIL;
591 }
592 return target->type->soft_reset_halt_imp(target);
593 }
594
595 static int target_run_algorithm_imp(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_param, uint32_t entry_point, uint32_t exit_point, int timeout_ms, void *arch_info)
596 {
597 if (!target_was_examined(target))
598 {
599 LOG_ERROR("Target not examined yet");
600 return ERROR_FAIL;
601 }
602 return target->type->run_algorithm_imp(target, num_mem_params, mem_params, num_reg_params, reg_param, entry_point, exit_point, timeout_ms, arch_info);
603 }
604
605 int target_read_memory(struct target_s *target,
606 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
607 {
608 return target->type->read_memory(target, address, size, count, buffer);
609 }
610
611 int target_read_phys_memory(struct target_s *target,
612 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
613 {
614 return target->type->read_phys_memory(target, address, size, count, buffer);
615 }
616
617 int target_write_memory(struct target_s *target,
618 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
619 {
620 return target->type->write_memory(target, address, size, count, buffer);
621 }
622
623 int target_write_phys_memory(struct target_s *target,
624 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
625 {
626 return target->type->write_phys_memory(target, address, size, count, buffer);
627 }
628
629 int target_bulk_write_memory(struct target_s *target,
630 uint32_t address, uint32_t count, uint8_t *buffer)
631 {
632 return target->type->bulk_write_memory(target, address, count, buffer);
633 }
634
635 int target_add_breakpoint(struct target_s *target,
636 struct breakpoint_s *breakpoint)
637 {
638 return target->type->add_breakpoint(target, breakpoint);
639 }
640 int target_remove_breakpoint(struct target_s *target,
641 struct breakpoint_s *breakpoint)
642 {
643 return target->type->remove_breakpoint(target, breakpoint);
644 }
645
646 int target_add_watchpoint(struct target_s *target,
647 struct watchpoint_s *watchpoint)
648 {
649 return target->type->add_watchpoint(target, watchpoint);
650 }
651 int target_remove_watchpoint(struct target_s *target,
652 struct watchpoint_s *watchpoint)
653 {
654 return target->type->remove_watchpoint(target, watchpoint);
655 }
656
657 int target_get_gdb_reg_list(struct target_s *target,
658 struct reg_s **reg_list[], int *reg_list_size)
659 {
660 return target->type->get_gdb_reg_list(target, reg_list, reg_list_size);
661 }
662 int target_step(struct target_s *target,
663 int current, uint32_t address, int handle_breakpoints)
664 {
665 return target->type->step(target, current, address, handle_breakpoints);
666 }
667
668
669 int target_run_algorithm(struct target_s *target,
670 int num_mem_params, mem_param_t *mem_params,
671 int num_reg_params, reg_param_t *reg_param,
672 uint32_t entry_point, uint32_t exit_point,
673 int timeout_ms, void *arch_info)
674 {
675 return target->type->run_algorithm(target,
676 num_mem_params, mem_params, num_reg_params, reg_param,
677 entry_point, exit_point, timeout_ms, arch_info);
678 }
679
680 /// @returns @c true if the target has been examined.
681 bool target_was_examined(struct target_s *target)
682 {
683 return target->type->examined;
684 }
685 /// Sets the @c examined flag for the given target.
686 void target_set_examined(struct target_s *target)
687 {
688 target->type->examined = true;
689 }
690 // Reset the @c examined flag for the given target.
691 void target_reset_examined(struct target_s *target)
692 {
693 target->type->examined = false;
694 }
695
696
697
698 static int default_mrc(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t *value)
699 {
700 LOG_ERROR("Not implemented");
701 return ERROR_FAIL;
702 }
703
704 static int default_mcr(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t value)
705 {
706 LOG_ERROR("Not implemented");
707 return ERROR_FAIL;
708 }
709
710 static int arm_cp_check(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm)
711 {
712 /* basic check */
713 if (!target_was_examined(target))
714 {
715 LOG_ERROR("Target not examined yet");
716 return ERROR_FAIL;
717 }
718
719 if ((cpnum <0) || (cpnum > 15))
720 {
721 LOG_ERROR("Illegal co-processor %d", cpnum);
722 return ERROR_FAIL;
723 }
724
725 if (op1>7)
726 {
727 LOG_ERROR("Illegal op1");
728 return ERROR_FAIL;
729 }
730
731 if (op2>7)
732 {
733 LOG_ERROR("Illegal op2");
734 return ERROR_FAIL;
735 }
736
737 if (CRn>15)
738 {
739 LOG_ERROR("Illegal CRn");
740 return ERROR_FAIL;
741 }
742
743 if (CRm>7)
744 {
745 LOG_ERROR("Illegal CRm");
746 return ERROR_FAIL;
747 }
748
749 return ERROR_OK;
750 }
751
752 int target_mrc(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t *value)
753 {
754 int retval;
755
756 retval = arm_cp_check(target, cpnum, op1, op2, CRn, CRm);
757 if (retval != ERROR_OK)
758 return retval;
759
760 return target->type->mrc(target, cpnum, op1, op2, CRn, CRm, value);
761 }
762
763 int target_mcr(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t value)
764 {
765 int retval;
766
767 retval = arm_cp_check(target, cpnum, op1, op2, CRn, CRm);
768 if (retval != ERROR_OK)
769 return retval;
770
771 return target->type->mcr(target, cpnum, op1, op2, CRn, CRm, value);
772 }
773
774 static int default_read_phys_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
775 {
776 int retval;
777 bool mmu;
778 retval = target->type->has_mmu(target, &mmu);
779 if (retval != ERROR_OK)
780 return retval;
781 if (mmu)
782 {
783 LOG_ERROR("Not implemented");
784 return ERROR_FAIL;
785 }
786 return target_read_memory(target, address, size, count, buffer);
787 }
788
789 static int default_write_phys_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
790 {
791 int retval;
792 bool mmu;
793 retval = target->type->has_mmu(target, &mmu);
794 if (retval != ERROR_OK)
795 return retval;
796 if (mmu)
797 {
798 LOG_ERROR("Not implemented");
799 return ERROR_FAIL;
800 }
801 return target_write_memory(target, address, size, count, buffer);
802 }
803
804
805 int target_init(struct command_context_s *cmd_ctx)
806 {
807 target_t *target = all_targets;
808 int retval;
809
810 while (target)
811 {
812 target_reset_examined(target);
813 if (target->type->examine == NULL)
814 {
815 target->type->examine = default_examine;
816 }
817
818 if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
819 {
820 LOG_ERROR("target '%s' init failed", target_get_name(target));
821 return retval;
822 }
823
824 /* Set up default functions if none are provided by target */
825 if (target->type->virt2phys == NULL)
826 {
827 target->type->virt2phys = default_virt2phys;
828 }
829
830 if (target->type->read_phys_memory == NULL)
831 {
832 target->type->read_phys_memory = default_read_phys_memory;
833 }
834
835 if (target->type->write_phys_memory == NULL)
836 {
837 target->type->write_phys_memory = default_write_phys_memory;
838 }
839
840 if (target->type->mcr == NULL)
841 {
842 target->type->mcr = default_mcr;
843 } else
844 {
845 /* FIX! multiple targets will generally register global commands
846 * multiple times. Only register this one if *one* of the
847 * targets need the command. Hmm... make it a command on the
848 * Jim Tcl target object?
849 */
850 register_jim(cmd_ctx, "mcr", jim_mcrmrc, "write coprocessor <cpnum> <op1> <op2> <CRn> <CRm> <value>");
851 }
852
853 if (target->type->mrc == NULL)
854 {
855 target->type->mrc = default_mrc;
856 } else
857 {
858 register_jim(cmd_ctx, "mrc", jim_mcrmrc, "read coprocessor <cpnum> <op1> <op2> <CRn> <CRm>");
859 }
860
861
862 /* a non-invasive way(in terms of patches) to add some code that
863 * runs before the type->write/read_memory implementation
864 */
865 target->type->write_memory_imp = target->type->write_memory;
866 target->type->write_memory = target_write_memory_imp;
867 target->type->read_memory_imp = target->type->read_memory;
868 target->type->read_memory = target_read_memory_imp;
869 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
870 target->type->soft_reset_halt = target_soft_reset_halt_imp;
871 target->type->run_algorithm_imp = target->type->run_algorithm;
872 target->type->run_algorithm = target_run_algorithm_imp;
873
874 if (target->type->mmu == NULL)
875 {
876 target->type->mmu = default_mmu;
877 }
878 if (target->type->has_mmu == NULL)
879 {
880 target->type->has_mmu = default_has_mmu;
881 }
882 target = target->next;
883 }
884
885 if (all_targets)
886 {
887 if ((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
888 return retval;
889 if ((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
890 return retval;
891 }
892
893 return ERROR_OK;
894 }
895
896 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
897 {
898 target_event_callback_t **callbacks_p = &target_event_callbacks;
899
900 if (callback == NULL)
901 {
902 return ERROR_INVALID_ARGUMENTS;
903 }
904
905 if (*callbacks_p)
906 {
907 while ((*callbacks_p)->next)
908 callbacks_p = &((*callbacks_p)->next);
909 callbacks_p = &((*callbacks_p)->next);
910 }
911
912 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
913 (*callbacks_p)->callback = callback;
914 (*callbacks_p)->priv = priv;
915 (*callbacks_p)->next = NULL;
916
917 return ERROR_OK;
918 }
919
920 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
921 {
922 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
923 struct timeval now;
924
925 if (callback == NULL)
926 {
927 return ERROR_INVALID_ARGUMENTS;
928 }
929
930 if (*callbacks_p)
931 {
932 while ((*callbacks_p)->next)
933 callbacks_p = &((*callbacks_p)->next);
934 callbacks_p = &((*callbacks_p)->next);
935 }
936
937 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
938 (*callbacks_p)->callback = callback;
939 (*callbacks_p)->periodic = periodic;
940 (*callbacks_p)->time_ms = time_ms;
941
942 gettimeofday(&now, NULL);
943 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
944 time_ms -= (time_ms % 1000);
945 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
946 if ((*callbacks_p)->when.tv_usec > 1000000)
947 {
948 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
949 (*callbacks_p)->when.tv_sec += 1;
950 }
951
952 (*callbacks_p)->priv = priv;
953 (*callbacks_p)->next = NULL;
954
955 return ERROR_OK;
956 }
957
958 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
959 {
960 target_event_callback_t **p = &target_event_callbacks;
961 target_event_callback_t *c = target_event_callbacks;
962
963 if (callback == NULL)
964 {
965 return ERROR_INVALID_ARGUMENTS;
966 }
967
968 while (c)
969 {
970 target_event_callback_t *next = c->next;
971 if ((c->callback == callback) && (c->priv == priv))
972 {
973 *p = next;
974 free(c);
975 return ERROR_OK;
976 }
977 else
978 p = &(c->next);
979 c = next;
980 }
981
982 return ERROR_OK;
983 }
984
985 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
986 {
987 target_timer_callback_t **p = &target_timer_callbacks;
988 target_timer_callback_t *c = target_timer_callbacks;
989
990 if (callback == NULL)
991 {
992 return ERROR_INVALID_ARGUMENTS;
993 }
994
995 while (c)
996 {
997 target_timer_callback_t *next = c->next;
998 if ((c->callback == callback) && (c->priv == priv))
999 {
1000 *p = next;
1001 free(c);
1002 return ERROR_OK;
1003 }
1004 else
1005 p = &(c->next);
1006 c = next;
1007 }
1008
1009 return ERROR_OK;
1010 }
1011
1012 int target_call_event_callbacks(target_t *target, enum target_event event)
1013 {
1014 target_event_callback_t *callback = target_event_callbacks;
1015 target_event_callback_t *next_callback;
1016
1017 if (event == TARGET_EVENT_HALTED)
1018 {
1019 /* execute early halted first */
1020 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
1021 }
1022
1023 LOG_DEBUG("target event %i (%s)",
1024 event,
1025 Jim_Nvp_value2name_simple(nvp_target_event, event)->name);
1026
1027 target_handle_event(target, event);
1028
1029 while (callback)
1030 {
1031 next_callback = callback->next;
1032 callback->callback(target, event, callback->priv);
1033 callback = next_callback;
1034 }
1035
1036 return ERROR_OK;
1037 }
1038
1039 static int target_timer_callback_periodic_restart(
1040 target_timer_callback_t *cb, struct timeval *now)
1041 {
1042 int time_ms = cb->time_ms;
1043 cb->when.tv_usec = now->tv_usec + (time_ms % 1000) * 1000;
1044 time_ms -= (time_ms % 1000);
1045 cb->when.tv_sec = now->tv_sec + time_ms / 1000;
1046 if (cb->when.tv_usec > 1000000)
1047 {
1048 cb->when.tv_usec = cb->when.tv_usec - 1000000;
1049 cb->when.tv_sec += 1;
1050 }
1051 return ERROR_OK;
1052 }
1053
1054 static int target_call_timer_callback(target_timer_callback_t *cb,
1055 struct timeval *now)
1056 {
1057 cb->callback(cb->priv);
1058
1059 if (cb->periodic)
1060 return target_timer_callback_periodic_restart(cb, now);
1061
1062 return target_unregister_timer_callback(cb->callback, cb->priv);
1063 }
1064
1065 static int target_call_timer_callbacks_check_time(int checktime)
1066 {
1067 keep_alive();
1068
1069 struct timeval now;
1070 gettimeofday(&now, NULL);
1071
1072 target_timer_callback_t *callback = target_timer_callbacks;
1073 while (callback)
1074 {
1075 // cleaning up may unregister and free this callback
1076 target_timer_callback_t *next_callback = callback->next;
1077
1078 bool call_it = callback->callback &&
1079 ((!checktime && callback->periodic) ||
1080 now.tv_sec > callback->when.tv_sec ||
1081 (now.tv_sec == callback->when.tv_sec &&
1082 now.tv_usec >= callback->when.tv_usec));
1083
1084 if (call_it)
1085 {
1086 int retval = target_call_timer_callback(callback, &now);
1087 if (retval != ERROR_OK)
1088 return retval;
1089 }
1090
1091 callback = next_callback;
1092 }
1093
1094 return ERROR_OK;
1095 }
1096
1097 int target_call_timer_callbacks(void)
1098 {
1099 return target_call_timer_callbacks_check_time(1);
1100 }
1101
1102 /* invoke periodic callbacks immediately */
1103 int target_call_timer_callbacks_now(void)
1104 {
1105 return target_call_timer_callbacks_check_time(0);
1106 }
1107
1108 int target_alloc_working_area(struct target_s *target, uint32_t size, working_area_t **area)
1109 {
1110 working_area_t *c = target->working_areas;
1111 working_area_t *new_wa = NULL;
1112
1113 /* Reevaluate working area address based on MMU state*/
1114 if (target->working_areas == NULL)
1115 {
1116 int retval;
1117 int enabled;
1118 retval = target->type->mmu(target, &enabled);
1119 if (retval != ERROR_OK)
1120 {
1121 return retval;
1122 }
1123
1124 if (enabled)
1125 {
1126 if (target->working_area_phys_spec)
1127 {
1128 LOG_DEBUG("MMU disabled, using physical address for working memory 0x%08x", (unsigned)target->working_area_phys);
1129 target->working_area = target->working_area_phys;
1130 } else
1131 {
1132 LOG_ERROR("No working memory available. Specify -work-area-phys to target.");
1133 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1134 }
1135 } else
1136 {
1137 if (target->working_area_virt_spec)
1138 {
1139 LOG_DEBUG("MMU enabled, using virtual address for working memory 0x%08x", (unsigned)target->working_area_virt);
1140 target->working_area = target->working_area_virt;
1141 } else
1142 {
1143 LOG_ERROR("No working memory available. Specify -work-area-virt to target.");
1144 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1145 }
1146 }
1147 }
1148
1149 /* only allocate multiples of 4 byte */
1150 if (size % 4)
1151 {
1152 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes (0x%08x), padding", ((unsigned)(size)));
1153 size = (size + 3) & (~3);
1154 }
1155
1156 /* see if there's already a matching working area */
1157 while (c)
1158 {
1159 if ((c->free) && (c->size == size))
1160 {
1161 new_wa = c;
1162 break;
1163 }
1164 c = c->next;
1165 }
1166
1167 /* if not, allocate a new one */
1168 if (!new_wa)
1169 {
1170 working_area_t **p = &target->working_areas;
1171 uint32_t first_free = target->working_area;
1172 uint32_t free_size = target->working_area_size;
1173
1174 c = target->working_areas;
1175 while (c)
1176 {
1177 first_free += c->size;
1178 free_size -= c->size;
1179 p = &c->next;
1180 c = c->next;
1181 }
1182
1183 if (free_size < size)
1184 {
1185 LOG_WARNING("not enough working area available(requested %u, free %u)",
1186 (unsigned)(size), (unsigned)(free_size));
1187 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1188 }
1189
1190 LOG_DEBUG("allocated new working area at address 0x%08x", (unsigned)first_free);
1191
1192 new_wa = malloc(sizeof(working_area_t));
1193 new_wa->next = NULL;
1194 new_wa->size = size;
1195 new_wa->address = first_free;
1196
1197 if (target->backup_working_area)
1198 {
1199 int retval;
1200 new_wa->backup = malloc(new_wa->size);
1201 if ((retval = target_read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
1202 {
1203 free(new_wa->backup);
1204 free(new_wa);
1205 return retval;
1206 }
1207 }
1208 else
1209 {
1210 new_wa->backup = NULL;
1211 }
1212
1213 /* put new entry in list */
1214 *p = new_wa;
1215 }
1216
1217 /* mark as used, and return the new (reused) area */
1218 new_wa->free = 0;
1219 *area = new_wa;
1220
1221 /* user pointer */
1222 new_wa->user = area;
1223
1224 return ERROR_OK;
1225 }
1226
1227 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
1228 {
1229 if (area->free)
1230 return ERROR_OK;
1231
1232 if (restore && target->backup_working_area)
1233 {
1234 int retval;
1235 if ((retval = target_write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
1236 return retval;
1237 }
1238
1239 area->free = 1;
1240
1241 /* mark user pointer invalid */
1242 *area->user = NULL;
1243 area->user = NULL;
1244
1245 return ERROR_OK;
1246 }
1247
1248 int target_free_working_area(struct target_s *target, working_area_t *area)
1249 {
1250 return target_free_working_area_restore(target, area, 1);
1251 }
1252
1253 /* free resources and restore memory, if restoring memory fails,
1254 * free up resources anyway
1255 */
1256 void target_free_all_working_areas_restore(struct target_s *target, int restore)
1257 {
1258 working_area_t *c = target->working_areas;
1259
1260 while (c)
1261 {
1262 working_area_t *next = c->next;
1263 target_free_working_area_restore(target, c, restore);
1264
1265 if (c->backup)
1266 free(c->backup);
1267
1268 free(c);
1269
1270 c = next;
1271 }
1272
1273 target->working_areas = NULL;
1274 }
1275
1276 void target_free_all_working_areas(struct target_s *target)
1277 {
1278 target_free_all_working_areas_restore(target, 1);
1279 }
1280
1281 int target_register_commands(struct command_context_s *cmd_ctx)
1282 {
1283
1284 register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, "change the current command line target (one parameter) or lists targets (with no parameter)");
1285
1286
1287
1288
1289 register_jim(cmd_ctx, "target", jim_target, "configure target");
1290
1291 return ERROR_OK;
1292 }
1293
1294 int target_arch_state(struct target_s *target)
1295 {
1296 int retval;
1297 if (target == NULL)
1298 {
1299 LOG_USER("No target has been configured");
1300 return ERROR_OK;
1301 }
1302
1303 LOG_USER("target state: %s", target_state_name( target ));
1304
1305 if (target->state != TARGET_HALTED)
1306 return ERROR_OK;
1307
1308 retval = target->type->arch_state(target);
1309 return retval;
1310 }
1311
1312 /* Single aligned words are guaranteed to use 16 or 32 bit access
1313 * mode respectively, otherwise data is handled as quickly as
1314 * possible
1315 */
1316 int target_write_buffer(struct target_s *target, uint32_t address, uint32_t size, uint8_t *buffer)
1317 {
1318 int retval;
1319 LOG_DEBUG("writing buffer of %i byte at 0x%8.8x",
1320 (int)size, (unsigned)address);
1321
1322 if (!target_was_examined(target))
1323 {
1324 LOG_ERROR("Target not examined yet");
1325 return ERROR_FAIL;
1326 }
1327
1328 if (size == 0) {
1329 return ERROR_OK;
1330 }
1331
1332 if ((address + size - 1) < address)
1333 {
1334 /* GDB can request this when e.g. PC is 0xfffffffc*/
1335 LOG_ERROR("address + size wrapped(0x%08x, 0x%08x)",
1336 (unsigned)address,
1337 (unsigned)size);
1338 return ERROR_FAIL;
1339 }
1340
1341 if (((address % 2) == 0) && (size == 2))
1342 {
1343 return target_write_memory(target, address, 2, 1, buffer);
1344 }
1345
1346 /* handle unaligned head bytes */
1347 if (address % 4)
1348 {
1349 uint32_t unaligned = 4 - (address % 4);
1350
1351 if (unaligned > size)
1352 unaligned = size;
1353
1354 if ((retval = target_write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1355 return retval;
1356
1357 buffer += unaligned;
1358 address += unaligned;
1359 size -= unaligned;
1360 }
1361
1362 /* handle aligned words */
1363 if (size >= 4)
1364 {
1365 int aligned = size - (size % 4);
1366
1367 /* use bulk writes above a certain limit. This may have to be changed */
1368 if (aligned > 128)
1369 {
1370 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1371 return retval;
1372 }
1373 else
1374 {
1375 if ((retval = target_write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1376 return retval;
1377 }
1378
1379 buffer += aligned;
1380 address += aligned;
1381 size -= aligned;
1382 }
1383
1384 /* handle tail writes of less than 4 bytes */
1385 if (size > 0)
1386 {
1387 if ((retval = target_write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1388 return retval;
1389 }
1390
1391 return ERROR_OK;
1392 }
1393
1394 /* Single aligned words are guaranteed to use 16 or 32 bit access
1395 * mode respectively, otherwise data is handled as quickly as
1396 * possible
1397 */
1398 int target_read_buffer(struct target_s *target, uint32_t address, uint32_t size, uint8_t *buffer)
1399 {
1400 int retval;
1401 LOG_DEBUG("reading buffer of %i byte at 0x%8.8x",
1402 (int)size, (unsigned)address);
1403
1404 if (!target_was_examined(target))
1405 {
1406 LOG_ERROR("Target not examined yet");
1407 return ERROR_FAIL;
1408 }
1409
1410 if (size == 0) {
1411 return ERROR_OK;
1412 }
1413
1414 if ((address + size - 1) < address)
1415 {
1416 /* GDB can request this when e.g. PC is 0xfffffffc*/
1417 LOG_ERROR("address + size wrapped(0x%08" PRIx32 ", 0x%08" PRIx32 ")",
1418 address,
1419 size);
1420 return ERROR_FAIL;
1421 }
1422
1423 if (((address % 2) == 0) && (size == 2))
1424 {
1425 return target_read_memory(target, address, 2, 1, buffer);
1426 }
1427
1428 /* handle unaligned head bytes */
1429 if (address % 4)
1430 {
1431 uint32_t unaligned = 4 - (address % 4);
1432
1433 if (unaligned > size)
1434 unaligned = size;
1435
1436 if ((retval = target_read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1437 return retval;
1438
1439 buffer += unaligned;
1440 address += unaligned;
1441 size -= unaligned;
1442 }
1443
1444 /* handle aligned words */
1445 if (size >= 4)
1446 {
1447 int aligned = size - (size % 4);
1448
1449 if ((retval = target_read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1450 return retval;
1451
1452 buffer += aligned;
1453 address += aligned;
1454 size -= aligned;
1455 }
1456
1457 /*prevent byte access when possible (avoid AHB access limitations in some cases)*/
1458 if(size >=2)
1459 {
1460 int aligned = size - (size%2);
1461 retval = target_read_memory(target, address, 2, aligned / 2, buffer);
1462 if (retval != ERROR_OK)
1463 return retval;
1464
1465 buffer += aligned;
1466 address += aligned;
1467 size -= aligned;
1468 }
1469 /* handle tail writes of less than 4 bytes */
1470 if (size > 0)
1471 {
1472 if ((retval = target_read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1473 return retval;
1474 }
1475
1476 return ERROR_OK;
1477 }
1478
1479 int target_checksum_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t* crc)
1480 {
1481 uint8_t *buffer;
1482 int retval;
1483 uint32_t i;
1484 uint32_t checksum = 0;
1485 if (!target_was_examined(target))
1486 {
1487 LOG_ERROR("Target not examined yet");
1488 return ERROR_FAIL;
1489 }
1490
1491 if ((retval = target->type->checksum_memory(target, address,
1492 size, &checksum)) != ERROR_OK)
1493 {
1494 buffer = malloc(size);
1495 if (buffer == NULL)
1496 {
1497 LOG_ERROR("error allocating buffer for section (%d bytes)", (int)size);
1498 return ERROR_INVALID_ARGUMENTS;
1499 }
1500 retval = target_read_buffer(target, address, size, buffer);
1501 if (retval != ERROR_OK)
1502 {
1503 free(buffer);
1504 return retval;
1505 }
1506
1507 /* convert to target endianess */
1508 for (i = 0; i < (size/sizeof(uint32_t)); i++)
1509 {
1510 uint32_t target_data;
1511 target_data = target_buffer_get_u32(target, &buffer[i*sizeof(uint32_t)]);
1512 target_buffer_set_u32(target, &buffer[i*sizeof(uint32_t)], target_data);
1513 }
1514
1515 retval = image_calculate_checksum(buffer, size, &checksum);
1516 free(buffer);
1517 }
1518
1519 *crc = checksum;
1520
1521 return retval;
1522 }
1523
1524 int target_blank_check_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t* blank)
1525 {
1526 int retval;
1527 if (!target_was_examined(target))
1528 {
1529 LOG_ERROR("Target not examined yet");
1530 return ERROR_FAIL;
1531 }
1532
1533 if (target->type->blank_check_memory == 0)
1534 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1535
1536 retval = target->type->blank_check_memory(target, address, size, blank);
1537
1538 return retval;
1539 }
1540
1541 int target_read_u32(struct target_s *target, uint32_t address, uint32_t *value)
1542 {
1543 uint8_t value_buf[4];
1544 if (!target_was_examined(target))
1545 {
1546 LOG_ERROR("Target not examined yet");
1547 return ERROR_FAIL;
1548 }
1549
1550 int retval = target_read_memory(target, address, 4, 1, value_buf);
1551
1552 if (retval == ERROR_OK)
1553 {
1554 *value = target_buffer_get_u32(target, value_buf);
1555 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
1556 address,
1557 *value);
1558 }
1559 else
1560 {
1561 *value = 0x0;
1562 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1563 address);
1564 }
1565
1566 return retval;
1567 }
1568
1569 int target_read_u16(struct target_s *target, uint32_t address, uint16_t *value)
1570 {
1571 uint8_t value_buf[2];
1572 if (!target_was_examined(target))
1573 {
1574 LOG_ERROR("Target not examined yet");
1575 return ERROR_FAIL;
1576 }
1577
1578 int retval = target_read_memory(target, address, 2, 1, value_buf);
1579
1580 if (retval == ERROR_OK)
1581 {
1582 *value = target_buffer_get_u16(target, value_buf);
1583 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%4.4x",
1584 address,
1585 *value);
1586 }
1587 else
1588 {
1589 *value = 0x0;
1590 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1591 address);
1592 }
1593
1594 return retval;
1595 }
1596
1597 int target_read_u8(struct target_s *target, uint32_t address, uint8_t *value)
1598 {
1599 int retval = target_read_memory(target, address, 1, 1, value);
1600 if (!target_was_examined(target))
1601 {
1602 LOG_ERROR("Target not examined yet");
1603 return ERROR_FAIL;
1604 }
1605
1606 if (retval == ERROR_OK)
1607 {
1608 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
1609 address,
1610 *value);
1611 }
1612 else
1613 {
1614 *value = 0x0;
1615 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1616 address);
1617 }
1618
1619 return retval;
1620 }
1621
1622 int target_write_u32(struct target_s *target, uint32_t address, uint32_t value)
1623 {
1624 int retval;
1625 uint8_t value_buf[4];
1626 if (!target_was_examined(target))
1627 {
1628 LOG_ERROR("Target not examined yet");
1629 return ERROR_FAIL;
1630 }
1631
1632 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
1633 address,
1634 value);
1635
1636 target_buffer_set_u32(target, value_buf, value);
1637 if ((retval = target_write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1638 {
1639 LOG_DEBUG("failed: %i", retval);
1640 }
1641
1642 return retval;
1643 }
1644
1645 int target_write_u16(struct target_s *target, uint32_t address, uint16_t value)
1646 {
1647 int retval;
1648 uint8_t value_buf[2];
1649 if (!target_was_examined(target))
1650 {
1651 LOG_ERROR("Target not examined yet");
1652 return ERROR_FAIL;
1653 }
1654
1655 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8x",
1656 address,
1657 value);
1658
1659 target_buffer_set_u16(target, value_buf, value);
1660 if ((retval = target_write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1661 {
1662 LOG_DEBUG("failed: %i", retval);
1663 }
1664
1665 return retval;
1666 }
1667
1668 int target_write_u8(struct target_s *target, uint32_t address, uint8_t value)
1669 {
1670 int retval;
1671 if (!target_was_examined(target))
1672 {
1673 LOG_ERROR("Target not examined yet");
1674 return ERROR_FAIL;
1675 }
1676
1677 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
1678 address, value);
1679
1680 if ((retval = target_write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1681 {
1682 LOG_DEBUG("failed: %i", retval);
1683 }
1684
1685 return retval;
1686 }
1687
1688 int target_register_user_commands(struct command_context_s *cmd_ctx)
1689 {
1690 int retval = ERROR_OK;
1691
1692
1693 /* script procedures */
1694 register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "profiling samples the CPU PC");
1695 register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array, "read memory and return as a TCL array for script processing <ARRAYNAME> <WIDTH = 32/16/8> <ADDRESS> <COUNT>");
1696 register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem, "convert a TCL array to memory locations and write the values <ARRAYNAME> <WIDTH = 32/16/8> <ADDRESS> <COUNT>");
1697
1698 register_command(cmd_ctx, NULL, "fast_load_image", handle_fast_load_image_command, COMMAND_ANY,
1699 "same args as load_image, image stored in memory - mainly for profiling purposes");
1700
1701 register_command(cmd_ctx, NULL, "fast_load", handle_fast_load_command, COMMAND_ANY,
1702 "loads active fast load image to current target - mainly for profiling purposes");
1703
1704
1705 register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "translate a virtual address into a physical address");
1706 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, "display or set a register");
1707 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1708 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1709 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1710 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1711 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1712 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run | halt | init] - default is run");
1713 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1714
1715 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words [phys] <addr> [count]");
1716 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words [phys] <addr> [count]");
1717 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes [phys] <addr> [count]");
1718
1719 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word [phys] <addr> <value> [count]");
1720 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word [phys] <addr> <value> [count]");
1721 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte [phys] <addr> <value> [count]");
1722
1723 register_command(cmd_ctx, NULL, "bp",
1724 handle_bp_command, COMMAND_EXEC,
1725 "list or set breakpoint [<address> <length> [hw]]");
1726 register_command(cmd_ctx, NULL, "rbp",
1727 handle_rbp_command, COMMAND_EXEC,
1728 "remove breakpoint <address>");
1729 register_command(cmd_ctx, NULL, "wp",
1730 handle_wp_command, COMMAND_EXEC,
1731 "list or set watchpoint "
1732 "[<address> <length> <r/w/a> [value] [mask]]");
1733 register_command(cmd_ctx, NULL, "rwp",
1734 handle_rwp_command, COMMAND_EXEC,
1735 "remove watchpoint <address>");
1736
1737 register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19'] [min_address] [max_length]");
1738 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1739 register_command(cmd_ctx, NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1740 register_command(cmd_ctx, NULL, "test_image", handle_test_image_command, COMMAND_EXEC, "test_image <file> [offset] [type]");
1741
1742 if ((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
1743 return retval;
1744 if ((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
1745 return retval;
1746
1747 return retval;
1748 }
1749
1750 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1751 {
1752 target_t *target = all_targets;
1753
1754 if (argc == 1)
1755 {
1756 target = get_target(args[0]);
1757 if (target == NULL) {
1758 command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0]);
1759 goto DumpTargets;
1760 }
1761 if (!target->tap->enabled) {
1762 command_print(cmd_ctx,"Target: TAP %s is disabled, "
1763 "can't be the current target\n",
1764 target->tap->dotted_name);
1765 return ERROR_FAIL;
1766 }
1767
1768 cmd_ctx->current_target = target->target_number;
1769 return ERROR_OK;
1770 }
1771 DumpTargets:
1772
1773 target = all_targets;
1774 command_print(cmd_ctx, " TargetName Type Endian TapName State ");
1775 command_print(cmd_ctx, "-- ------------------ ---------- ------ ------------------ ------------");
1776 while (target)
1777 {
1778 const char *state;
1779 char marker = ' ';
1780
1781 if (target->tap->enabled)
1782 state = target_state_name( target );
1783 else
1784 state = "tap-disabled";
1785
1786 if (cmd_ctx->current_target == target->target_number)
1787 marker = '*';
1788
1789 /* keep columns lined up to match the headers above */
1790 command_print(cmd_ctx, "%2d%c %-18s %-10s %-6s %-18s %s",
1791 target->target_number,
1792 marker,
1793 target->cmd_name,
1794 target_get_name(target),
1795 Jim_Nvp_value2name_simple(nvp_target_endian,
1796 target->endianness)->name,
1797 target->tap->dotted_name,
1798 state);
1799 target = target->next;
1800 }
1801
1802 return ERROR_OK;
1803 }
1804
1805 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1806
1807 static int powerDropout;
1808 static int srstAsserted;
1809
1810 static int runPowerRestore;
1811 static int runPowerDropout;
1812 static int runSrstAsserted;
1813 static int runSrstDeasserted;
1814
1815 static int sense_handler(void)
1816 {
1817 static int prevSrstAsserted = 0;
1818 static int prevPowerdropout = 0;
1819
1820 int retval;
1821 if ((retval = jtag_power_dropout(&powerDropout)) != ERROR_OK)
1822 return retval;
1823
1824 int powerRestored;
1825 powerRestored = prevPowerdropout && !powerDropout;
1826 if (powerRestored)
1827 {
1828 runPowerRestore = 1;
1829 }
1830
1831 long long current = timeval_ms();
1832 static long long lastPower = 0;
1833 int waitMore = lastPower + 2000 > current;
1834 if (powerDropout && !waitMore)
1835 {
1836 runPowerDropout = 1;
1837 lastPower = current;
1838 }
1839
1840 if ((retval = jtag_srst_asserted(&srstAsserted)) != ERROR_OK)
1841 return retval;
1842
1843 int srstDeasserted;
1844 srstDeasserted = prevSrstAsserted && !srstAsserted;
1845
1846 static long long lastSrst = 0;
1847 waitMore = lastSrst + 2000 > current;
1848 if (srstDeasserted && !waitMore)
1849 {
1850 runSrstDeasserted = 1;
1851 lastSrst = current;
1852 }
1853
1854 if (!prevSrstAsserted && srstAsserted)
1855 {
1856 runSrstAsserted = 1;
1857 }
1858
1859 prevSrstAsserted = srstAsserted;
1860 prevPowerdropout = powerDropout;
1861
1862 if (srstDeasserted || powerRestored)
1863 {
1864 /* Other than logging the event we can't do anything here.
1865 * Issuing a reset is a particularly bad idea as we might
1866 * be inside a reset already.
1867 */
1868 }
1869
1870 return ERROR_OK;
1871 }
1872
1873 static void target_call_event_callbacks_all(enum target_event e) {
1874 target_t *target;
1875 target = all_targets;
1876 while (target) {
1877 target_call_event_callbacks(target, e);
1878 target = target->next;
1879 }
1880 }
1881
1882 /* process target state changes */
1883 int handle_target(void *priv)
1884 {
1885 int retval = ERROR_OK;
1886
1887 /* we do not want to recurse here... */
1888 static int recursive = 0;
1889 if (! recursive)
1890 {
1891 recursive = 1;
1892 sense_handler();
1893 /* danger! running these procedures can trigger srst assertions and power dropouts.
1894 * We need to avoid an infinite loop/recursion here and we do that by
1895 * clearing the flags after running these events.
1896 */
1897 int did_something = 0;
1898 if (runSrstAsserted)
1899 {
1900 target_call_event_callbacks_all(TARGET_EVENT_GDB_HALT);
1901 Jim_Eval(interp, "srst_asserted");
1902 did_something = 1;
1903 }
1904 if (runSrstDeasserted)
1905 {
1906 Jim_Eval(interp, "srst_deasserted");
1907 did_something = 1;
1908 }
1909 if (runPowerDropout)
1910 {
1911 target_call_event_callbacks_all(TARGET_EVENT_GDB_HALT);
1912 Jim_Eval(interp, "power_dropout");
1913 did_something = 1;
1914 }
1915 if (runPowerRestore)
1916 {
1917 Jim_Eval(interp, "power_restore");
1918 did_something = 1;
1919 }
1920
1921 if (did_something)
1922 {
1923 /* clear detect flags */
1924 sense_handler();
1925 }
1926
1927 /* clear action flags */
1928
1929 runSrstAsserted = 0;
1930 runSrstDeasserted = 0;
1931 runPowerRestore = 0;
1932 runPowerDropout = 0;
1933
1934 recursive = 0;
1935 }
1936
1937 /* Poll targets for state changes unless that's globally disabled.
1938 * Skip targets that are currently disabled.
1939 */
1940 for (target_t *target = all_targets;
1941 is_jtag_poll_safe() && target;
1942 target = target->next)
1943 {
1944 if (!target->tap->enabled)
1945 continue;
1946
1947 /* only poll target if we've got power and srst isn't asserted */
1948 if (!powerDropout && !srstAsserted)
1949 {
1950 /* polling may fail silently until the target has been examined */
1951 if ((retval = target_poll(target)) != ERROR_OK)
1952 {
1953 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
1954 return retval;
1955 }
1956 }
1957 }
1958
1959 return retval;
1960 }
1961
1962 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1963 {
1964 target_t *target;
1965 reg_t *reg = NULL;
1966 int count = 0;
1967 char *value;
1968
1969 LOG_DEBUG("-");
1970
1971 target = get_current_target(cmd_ctx);
1972
1973 /* list all available registers for the current target */
1974 if (argc == 0)
1975 {
1976 reg_cache_t *cache = target->reg_cache;
1977
1978 count = 0;
1979 while (cache)
1980 {
1981 int i;
1982
1983 command_print(cmd_ctx, "===== %s", cache->name);
1984
1985 for (i = 0, reg = cache->reg_list;
1986 i < cache->num_regs;
1987 i++, reg++, count++)
1988 {
1989 /* only print cached values if they are valid */
1990 if (reg->valid) {
1991 value = buf_to_str(reg->value,
1992 reg->size, 16);
1993 command_print(cmd_ctx,
1994 "(%i) %s (/%" PRIu32 "): 0x%s%s",
1995 count, reg->name,
1996 reg->size, value,
1997 reg->dirty
1998 ? " (dirty)"
1999 : "");
2000 free(value);
2001 } else {
2002 command_print(cmd_ctx, "(%i) %s (/%" PRIu32 ")",
2003 count, reg->name,
2004 reg->size) ;
2005 }
2006 }
2007 cache = cache->next;
2008 }
2009
2010 return ERROR_OK;
2011 }
2012
2013 /* access a single register by its ordinal number */
2014 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
2015 {
2016 unsigned num;
2017 int retval = parse_uint(args[0], &num);
2018 if (ERROR_OK != retval)
2019 return ERROR_COMMAND_SYNTAX_ERROR;
2020
2021 reg_cache_t *cache = target->reg_cache;
2022 count = 0;
2023 while (cache)
2024 {
2025 int i;
2026 for (i = 0; i < cache->num_regs; i++)
2027 {
2028 if (count++ == (int)num)
2029 {
2030 reg = &cache->reg_list[i];
2031 break;
2032 }
2033 }
2034 if (reg)
2035 break;
2036 cache = cache->next;
2037 }
2038
2039 if (!reg)
2040 {
2041 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
2042 return ERROR_OK;
2043 }
2044 } else /* access a single register by its name */
2045 {
2046 reg = register_get_by_name(target->reg_cache, args[0], 1);
2047
2048 if (!reg)
2049 {
2050 command_print(cmd_ctx, "register %s not found in current target", args[0]);
2051 return ERROR_OK;
2052 }
2053 }
2054
2055 /* display a register */
2056 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
2057 {
2058 if ((argc == 2) && (strcmp(args[1], "force") == 0))
2059 reg->valid = 0;
2060
2061 if (reg->valid == 0)
2062 {
2063 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
2064 arch_type->get(reg);
2065 }
2066 value = buf_to_str(reg->value, reg->size, 16);
2067 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
2068 free(value);
2069 return ERROR_OK;
2070 }
2071
2072 /* set register value */
2073 if (argc == 2)
2074 {
2075 uint8_t *buf = malloc(CEIL(reg->size, 8));
2076 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
2077
2078 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
2079 arch_type->set(reg, buf);
2080
2081 value = buf_to_str(reg->value, reg->size, 16);
2082 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
2083 free(value);
2084
2085 free(buf);
2086
2087 return ERROR_OK;
2088 }
2089
2090 command_print(cmd_ctx, "usage: reg <#|name> [value]");
2091
2092 return ERROR_OK;
2093 }
2094
2095 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2096 {
2097 int retval = ERROR_OK;
2098 target_t *target = get_current_target(cmd_ctx);
2099
2100 if (argc == 0)
2101 {
2102 command_print(cmd_ctx, "background polling: %s",
2103 jtag_poll_get_enabled() ? "on" : "off");
2104 command_print(cmd_ctx, "TAP: %s (%s)",
2105 target->tap->dotted_name,
2106 target->tap->enabled ? "enabled" : "disabled");
2107 if (!target->tap->enabled)
2108 return ERROR_OK;
2109 if ((retval = target_poll(target)) != ERROR_OK)
2110 return retval;
2111 if ((retval = target_arch_state(target)) != ERROR_OK)
2112 return retval;
2113
2114 }
2115 else if (argc == 1)
2116 {
2117 if (strcmp(args[0], "on") == 0)
2118 {
2119 jtag_poll_set_enabled(true);
2120 }
2121 else if (strcmp(args[0], "off") == 0)
2122 {
2123 jtag_poll_set_enabled(false);
2124 }
2125 else
2126 {
2127 command_print(cmd_ctx, "arg is \"on\" or \"off\"");
2128 }
2129 } else
2130 {
2131 return ERROR_COMMAND_SYNTAX_ERROR;
2132 }
2133
2134 return retval;
2135 }
2136
2137 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2138 {
2139 if (argc > 1)
2140 return ERROR_COMMAND_SYNTAX_ERROR;
2141
2142 unsigned ms = 5000;
2143 if (1 == argc)
2144 {
2145 int retval = parse_uint(args[0], &ms);
2146 if (ERROR_OK != retval)
2147 {
2148 command_print(cmd_ctx, "usage: %s [seconds]", cmd);
2149 return ERROR_COMMAND_SYNTAX_ERROR;
2150 }
2151 // convert seconds (given) to milliseconds (needed)
2152 ms *= 1000;
2153 }
2154
2155 target_t *target = get_current_target(cmd_ctx);
2156 return target_wait_state(target, TARGET_HALTED, ms);
2157 }
2158
2159 /* wait for target state to change. The trick here is to have a low
2160 * latency for short waits and not to suck up all the CPU time
2161 * on longer waits.
2162 *
2163 * After 500ms, keep_alive() is invoked
2164 */
2165 int target_wait_state(target_t *target, enum target_state state, int ms)
2166 {
2167 int retval;
2168 long long then = 0, cur;
2169 int once = 1;
2170
2171 for (;;)
2172 {
2173 if ((retval = target_poll(target)) != ERROR_OK)
2174 return retval;
2175 if (target->state == state)
2176 {
2177 break;
2178 }
2179 cur = timeval_ms();
2180 if (once)
2181 {
2182 once = 0;
2183 then = timeval_ms();
2184 LOG_DEBUG("waiting for target %s...",
2185 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
2186 }
2187
2188 if (cur-then > 500)
2189 {
2190 keep_alive();
2191 }
2192
2193 if ((cur-then) > ms)
2194 {
2195 LOG_ERROR("timed out while waiting for target %s",
2196 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
2197 return ERROR_FAIL;
2198 }
2199 }
2200
2201 return ERROR_OK;
2202 }
2203
2204 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2205 {
2206 LOG_DEBUG("-");
2207
2208 target_t *target = get_current_target(cmd_ctx);
2209 int retval = target_halt(target);
2210 if (ERROR_OK != retval)
2211 return retval;
2212
2213 if (argc == 1)
2214 {
2215 unsigned wait;
2216 retval = parse_uint(args[0], &wait);
2217 if (ERROR_OK != retval)
2218 return ERROR_COMMAND_SYNTAX_ERROR;
2219 if (!wait)
2220 return ERROR_OK;
2221 }
2222
2223 return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
2224 }
2225
2226 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2227 {
2228 target_t *target = get_current_target(cmd_ctx);
2229
2230 LOG_USER("requesting target halt and executing a soft reset");
2231
2232 target->type->soft_reset_halt(target);
2233
2234 return ERROR_OK;
2235 }
2236
2237 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2238 {
2239 if (argc > 1)
2240 return ERROR_COMMAND_SYNTAX_ERROR;
2241
2242 enum target_reset_mode reset_mode = RESET_RUN;
2243 if (argc == 1)
2244 {
2245 const Jim_Nvp *n;
2246 n = Jim_Nvp_name2value_simple(nvp_reset_modes, args[0]);
2247 if ((n->name == NULL) || (n->value == RESET_UNKNOWN)) {
2248 return ERROR_COMMAND_SYNTAX_ERROR;
2249 }
2250 reset_mode = n->value;
2251 }
2252
2253 /* reset *all* targets */
2254 return target_process_reset(cmd_ctx, reset_mode);
2255 }
2256
2257
2258 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2259 {
2260 int current = 1;
2261 if (argc > 1)
2262 return ERROR_COMMAND_SYNTAX_ERROR;
2263
2264 target_t *target = get_current_target(cmd_ctx);
2265 target_handle_event(target, TARGET_EVENT_OLD_pre_resume);
2266
2267 /* with no args, resume from current pc, addr = 0,
2268 * with one arguments, addr = args[0],
2269 * handle breakpoints, not debugging */
2270 uint32_t addr = 0;
2271 if (argc == 1)
2272 {
2273 int retval = parse_u32(args[0], &addr);
2274 if (ERROR_OK != retval)
2275 return retval;
2276 current = 0;
2277 }
2278
2279 return target_resume(target, current, addr, 1, 0);
2280 }
2281
2282 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2283 {
2284 if (argc > 1)
2285 return ERROR_COMMAND_SYNTAX_ERROR;
2286
2287 LOG_DEBUG("-");
2288
2289 /* with no args, step from current pc, addr = 0,
2290 * with one argument addr = args[0],
2291 * handle breakpoints, debugging */
2292 uint32_t addr = 0;
2293 int current_pc = 1;
2294 if (argc == 1)
2295 {
2296 int retval = parse_u32(args[0], &addr);
2297 if (ERROR_OK != retval)
2298 return retval;
2299 current_pc = 0;
2300 }
2301
2302 target_t *target = get_current_target(cmd_ctx);
2303
2304 return target->type->step(target, current_pc, addr, 1);
2305 }
2306
2307 static void handle_md_output(struct command_context_s *cmd_ctx,
2308 struct target_s *target, uint32_t address, unsigned size,
2309 unsigned count, const uint8_t *buffer)
2310 {
2311 const unsigned line_bytecnt = 32;
2312 unsigned line_modulo = line_bytecnt / size;
2313
2314 char output[line_bytecnt * 4 + 1];
2315 unsigned output_len = 0;
2316
2317 const char *value_fmt;
2318 switch (size) {
2319 case 4: value_fmt = "%8.8x "; break;
2320 case 2: value_fmt = "%4.2x "; break;
2321 case 1: value_fmt = "%2.2x "; break;
2322 default:
2323 LOG_ERROR("invalid memory read size: %u", size);
2324 exit(-1);
2325 }
2326
2327 for (unsigned i = 0; i < count; i++)
2328 {
2329 if (i % line_modulo == 0)
2330 {
2331 output_len += snprintf(output + output_len,
2332 sizeof(output) - output_len,
2333 "0x%8.8x: ",
2334 (unsigned)(address + (i*size)));
2335 }
2336
2337 uint32_t value = 0;
2338 const uint8_t *value_ptr = buffer + i * size;
2339 switch (size) {
2340 case 4: value = target_buffer_get_u32(target, value_ptr); break;
2341 case 2: value = target_buffer_get_u16(target, value_ptr); break;
2342 case 1: value = *value_ptr;
2343 }
2344 output_len += snprintf(output + output_len,
2345 sizeof(output) - output_len,
2346 value_fmt, value);
2347
2348 if ((i % line_modulo == line_modulo - 1) || (i == count - 1))
2349 {
2350 command_print(cmd_ctx, "%s", output);
2351 output_len = 0;
2352 }
2353 }
2354 }
2355
2356 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2357 {
2358 if (argc < 1)
2359 return ERROR_COMMAND_SYNTAX_ERROR;
2360
2361 unsigned size = 0;
2362 switch (cmd[2]) {
2363 case 'w': size = 4; break;
2364 case 'h': size = 2; break;
2365 case 'b': size = 1; break;
2366 default: return ERROR_COMMAND_SYNTAX_ERROR;
2367 }
2368
2369 bool physical=strcmp(args[0], "phys")==0;
2370 int (*fn)(struct target_s *target,
2371 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
2372 if (physical)
2373 {
2374 argc--;
2375 args++;
2376 fn=target_read_phys_memory;
2377 } else
2378 {
2379 fn=target_read_memory;
2380 }
2381 if ((argc < 1) || (argc > 2))
2382 {
2383 return ERROR_COMMAND_SYNTAX_ERROR;
2384 }
2385 uint32_t address;
2386 int retval = parse_u32(args[0], &address);
2387 if (ERROR_OK != retval)
2388 return retval;
2389
2390 unsigned count = 1;
2391 if (argc == 2)
2392 {
2393 retval = parse_uint(args[1], &count);
2394 if (ERROR_OK != retval)
2395 return retval;
2396 }
2397
2398 uint8_t *buffer = calloc(count, size);
2399
2400 target_t *target = get_current_target(cmd_ctx);
2401 retval = fn(target, address, size, count, buffer);
2402 if (ERROR_OK == retval)
2403 handle_md_output(cmd_ctx, target, address, size, count, buffer);
2404
2405 free(buffer);
2406
2407 return retval;
2408 }
2409
2410 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2411 {
2412 if (argc < 2)
2413 {
2414 return ERROR_COMMAND_SYNTAX_ERROR;
2415 }
2416 bool physical=strcmp(args[0], "phys")==0;
2417 int (*fn)(struct target_s *target,
2418 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
2419 if (physical)
2420 {
2421 argc--;
2422 args++;
2423 fn=target_write_phys_memory;
2424 } else
2425 {
2426 fn=target_write_memory;
2427 }
2428 if ((argc < 2) || (argc > 3))
2429 return ERROR_COMMAND_SYNTAX_ERROR;
2430
2431 uint32_t address;
2432 int retval = parse_u32(args[0], &address);
2433 if (ERROR_OK != retval)
2434 return retval;
2435
2436 uint32_t value;
2437 retval = parse_u32(args[1], &value);
2438 if (ERROR_OK != retval)
2439 return retval;
2440
2441 unsigned count = 1;
2442 if (argc == 3)
2443 {
2444 retval = parse_uint(args[2], &count);
2445 if (ERROR_OK != retval)
2446 return retval;
2447 }
2448
2449 target_t *target = get_current_target(cmd_ctx);
2450 unsigned wordsize;
2451 uint8_t value_buf[4];
2452 switch (cmd[2])
2453 {
2454 case 'w':
2455 wordsize = 4;
2456 target_buffer_set_u32(target, value_buf, value);
2457 break;
2458 case 'h':
2459 wordsize = 2;
2460 target_buffer_set_u16(target, value_buf, value);
2461 break;
2462 case 'b':
2463 wordsize = 1;
2464 value_buf[0] = value;
2465 break;
2466 default:
2467 return ERROR_COMMAND_SYNTAX_ERROR;
2468 }
2469 for (unsigned i = 0; i < count; i++)
2470 {
2471 retval = fn(target,
2472 address + i * wordsize, wordsize, 1, value_buf);
2473 if (ERROR_OK != retval)
2474 return retval;
2475 keep_alive();
2476 }
2477
2478 return ERROR_OK;
2479
2480 }
2481
2482 static int parse_load_image_command_args(char **args, int argc,
2483 image_t *image, uint32_t *min_address, uint32_t *max_address)
2484 {
2485 if (argc < 1 || argc > 5)
2486 return ERROR_COMMAND_SYNTAX_ERROR;
2487
2488 /* a base address isn't always necessary,
2489 * default to 0x0 (i.e. don't relocate) */
2490 if (argc >= 2)
2491 {
2492 uint32_t addr;
2493 int retval = parse_u32(args[1], &addr);
2494 if (ERROR_OK != retval)
2495 return ERROR_COMMAND_SYNTAX_ERROR;
2496 image->base_address = addr;
2497 image->base_address_set = 1;
2498 }
2499 else
2500 image->base_address_set = 0;
2501
2502 image->start_address_set = 0;
2503
2504 if (argc >= 4)
2505 {
2506 int retval = parse_u32(args[3], min_address);
2507 if (ERROR_OK != retval)
2508 return ERROR_COMMAND_SYNTAX_ERROR;
2509 }
2510 if (argc == 5)
2511 {
2512 int retval = parse_u32(args[4], max_address);
2513 if (ERROR_OK != retval)
2514 return ERROR_COMMAND_SYNTAX_ERROR;
2515 // use size (given) to find max (required)
2516 *max_address += *min_address;
2517 }
2518
2519 if (*min_address > *max_address)
2520 return ERROR_COMMAND_SYNTAX_ERROR;
2521
2522 return ERROR_OK;
2523 }
2524
2525 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2526 {
2527 uint8_t *buffer;
2528 uint32_t buf_cnt;
2529 uint32_t image_size;
2530 uint32_t min_address = 0;
2531 uint32_t max_address = 0xffffffff;
2532 int i;
2533 int retvaltemp;
2534
2535 image_t image;
2536
2537 duration_t duration;
2538 char *duration_text;
2539
2540 int retval = parse_load_image_command_args(args, argc,
2541 &image, &min_address, &max_address);
2542 if (ERROR_OK != retval)
2543 return retval;
2544
2545 target_t *target = get_current_target(cmd_ctx);
2546 duration_start_measure(&duration);
2547
2548 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2549 {
2550 return ERROR_OK;
2551 }
2552
2553 image_size = 0x0;
2554 retval = ERROR_OK;
2555 for (i = 0; i < image.num_sections; i++)
2556 {
2557 buffer = malloc(image.sections[i].size);
2558 if (buffer == NULL)
2559 {
2560 command_print(cmd_ctx,
2561 "error allocating buffer for section (%d bytes)",
2562 (int)(image.sections[i].size));
2563 break;
2564 }
2565
2566 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2567 {
2568 free(buffer);
2569 break;
2570 }
2571
2572 uint32_t offset = 0;
2573 uint32_t length = buf_cnt;
2574
2575 /* DANGER!!! beware of unsigned comparision here!!! */
2576
2577 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
2578 (image.sections[i].base_address < max_address))
2579 {
2580 if (image.sections[i].base_address < min_address)
2581 {
2582 /* clip addresses below */
2583 offset += min_address-image.sections[i].base_address;
2584 length -= offset;
2585 }
2586
2587 if (image.sections[i].base_address + buf_cnt > max_address)
2588 {
2589 length -= (image.sections[i].base_address + buf_cnt)-max_address;
2590 }
2591
2592 if ((retval = target_write_buffer(target, image.sections[i].base_address + offset, length, buffer + offset)) != ERROR_OK)
2593 {
2594 free(buffer);
2595 break;
2596 }
2597 image_size += length;
2598 command_print(cmd_ctx, "%u bytes written at address 0x%8.8" PRIx32 "",
2599 (unsigned int)length,
2600 image.sections[i].base_address + offset);
2601 }
2602
2603 free(buffer);
2604 }
2605
2606 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2607 {
2608 image_close(&image);
2609 return retvaltemp;
2610 }
2611
2612 if (retval == ERROR_OK)
2613 {
2614 command_print(cmd_ctx, "downloaded %u byte in %s",
2615 (unsigned int)image_size,
2616 duration_text);
2617 }
2618 free(duration_text);
2619
2620 image_close(&image);
2621
2622 return retval;
2623
2624 }
2625
2626 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2627 {
2628 fileio_t fileio;
2629
2630 uint8_t buffer[560];
2631 int retvaltemp;
2632
2633 duration_t duration;
2634 char *duration_text;
2635
2636 target_t *target = get_current_target(cmd_ctx);
2637
2638 if (argc != 3)
2639 {
2640 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2641 return ERROR_OK;
2642 }
2643
2644 uint32_t address;
2645 int retval = parse_u32(args[1], &address);
2646 if (ERROR_OK != retval)
2647 return retval;
2648
2649 uint32_t size;
2650 retval = parse_u32(args[2], &size);
2651 if (ERROR_OK != retval)
2652 return retval;
2653
2654 if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2655 {
2656 return ERROR_OK;
2657 }
2658
2659 duration_start_measure(&duration);
2660
2661 while (size > 0)
2662 {
2663 uint32_t size_written;
2664 uint32_t this_run_size = (size > 560) ? 560 : size;
2665
2666 retval = target_read_buffer(target, address, this_run_size, buffer);
2667 if (retval != ERROR_OK)
2668 {
2669 break;
2670 }
2671
2672 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2673 if (retval != ERROR_OK)
2674 {
2675 break;
2676 }
2677
2678 size -= this_run_size;
2679 address += this_run_size;
2680 }
2681
2682 if ((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2683 return retvaltemp;
2684
2685 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2686 return retvaltemp;
2687
2688 if (retval == ERROR_OK)
2689 {
2690 command_print(cmd_ctx, "dumped %lld byte in %s",
2691 fileio.size, duration_text);
2692 free(duration_text);
2693 }
2694
2695 return retval;
2696 }
2697
2698 static int handle_verify_image_command_internal(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, int verify)
2699 {
2700 uint8_t *buffer;
2701 uint32_t buf_cnt;
2702 uint32_t image_size;
2703 int i;
2704 int retval, retvaltemp;
2705 uint32_t checksum = 0;
2706 uint32_t mem_checksum = 0;
2707
2708 image_t image;
2709
2710 duration_t duration;
2711 char *duration_text;
2712
2713 target_t *target = get_current_target(cmd_ctx);
2714
2715 if (argc < 1)
2716 {
2717 return ERROR_COMMAND_SYNTAX_ERROR;
2718 }
2719
2720 if (!target)
2721 {
2722 LOG_ERROR("no target selected");
2723 return ERROR_FAIL;
2724 }
2725
2726 duration_start_measure(&duration);
2727
2728 if (argc >= 2)
2729 {
2730 uint32_t addr;
2731 retval = parse_u32(args[1], &addr);
2732 if (ERROR_OK != retval)
2733 return ERROR_COMMAND_SYNTAX_ERROR;
2734 image.base_address = addr;
2735 image.base_address_set = 1;
2736 }
2737 else
2738 {
2739 image.base_address_set = 0;
2740 image.base_address = 0x0;
2741 }
2742
2743 image.start_address_set = 0;
2744
2745 if ((retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2746 {
2747 return retval;
2748 }
2749
2750 image_size = 0x0;
2751 retval = ERROR_OK;
2752 for (i = 0; i < image.num_sections; i++)
2753 {
2754 buffer = malloc(image.sections[i].size);
2755 if (buffer == NULL)
2756 {
2757 command_print(cmd_ctx,
2758 "error allocating buffer for section (%d bytes)",
2759 (int)(image.sections[i].size));
2760 break;
2761 }
2762 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2763 {
2764 free(buffer);
2765 break;
2766 }
2767
2768 if (verify)
2769 {
2770 /* calculate checksum of image */
2771 image_calculate_checksum(buffer, buf_cnt, &checksum);
2772
2773 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2774 if (retval != ERROR_OK)
2775 {
2776 free(buffer);
2777 break;
2778 }
2779
2780 if (checksum != mem_checksum)
2781 {
2782 /* failed crc checksum, fall back to a binary compare */
2783 uint8_t *data;
2784
2785 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2786
2787 data = (uint8_t*)malloc(buf_cnt);
2788
2789 /* Can we use 32bit word accesses? */
2790 int size = 1;
2791 int count = buf_cnt;
2792 if ((count % 4) == 0)
2793 {
2794 size *= 4;
2795 count /= 4;
2796 }
2797 retval = target_read_memory(target, image.sections[i].base_address, size, count, data);
2798 if (retval == ERROR_OK)
2799 {
2800 uint32_t t;
2801 for (t = 0; t < buf_cnt; t++)
2802 {
2803 if (data[t] != buffer[t])
2804 {
2805 command_print(cmd_ctx,
2806 "Verify operation failed address 0x%08x. Was 0x%02x instead of 0x%02x\n",
2807 (unsigned)(t + image.sections[i].base_address),
2808 data[t],
2809 buffer[t]);
2810 free(data);
2811 free(buffer);
2812 retval = ERROR_FAIL;
2813 goto done;
2814 }
2815 if ((t%16384) == 0)
2816 {
2817 keep_alive();
2818 }
2819 }
2820 }
2821
2822 free(data);
2823 }
2824 } else
2825 {
2826 command_print(cmd_ctx, "address 0x%08" PRIx32 " length 0x%08" PRIx32 "",
2827 image.sections[i].base_address,
2828 buf_cnt);
2829 }
2830
2831 free(buffer);
2832 image_size += buf_cnt;
2833 }
2834 done:
2835
2836 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2837 {
2838 image_close(&image);
2839 return retvaltemp;
2840 }
2841
2842 if (retval == ERROR_OK)
2843 {
2844 command_print(cmd_ctx, "verified %u bytes in %s",
2845 (unsigned int)image_size,
2846 duration_text);
2847 }
2848 free(duration_text);
2849
2850 image_close(&image);
2851
2852 return retval;
2853 }
2854
2855 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2856 {
2857 return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 1);
2858 }
2859
2860 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2861 {
2862 return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 0);
2863 }
2864
2865 static int handle_bp_command_list(struct command_context_s *cmd_ctx)
2866 {
2867 target_t *target = get_current_target(cmd_ctx);
2868 breakpoint_t *breakpoint = target->breakpoints;
2869 while (breakpoint)
2870 {
2871 if (breakpoint->type == BKPT_SOFT)
2872 {
2873 char* buf = buf_to_str(breakpoint->orig_instr,
2874 breakpoint->length, 16);
2875 command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i, 0x%s",
2876 breakpoint->address,
2877 breakpoint->length,
2878 breakpoint->set, buf);
2879 free(buf);
2880 }
2881 else
2882 {
2883 command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i",
2884 breakpoint->address,
2885 breakpoint->length, breakpoint->set);
2886 }
2887
2888 breakpoint = breakpoint->next;
2889 }
2890 return ERROR_OK;
2891 }
2892
2893 static int handle_bp_command_set(struct command_context_s *cmd_ctx,
2894 uint32_t addr, uint32_t length, int hw)
2895 {
2896 target_t *target = get_current_target(cmd_ctx);
2897 int retval = breakpoint_add(target, addr, length, hw);
2898 if (ERROR_OK == retval)
2899 command_print(cmd_ctx, "breakpoint set at 0x%8.8" PRIx32 "", addr);
2900 else
2901 LOG_ERROR("Failure setting breakpoint");
2902 return retval;
2903 }
2904
2905 static int handle_bp_command(struct command_context_s *cmd_ctx,
2906 char *cmd, char **args, int argc)
2907 {
2908 if (argc == 0)
2909 return handle_bp_command_list(cmd_ctx);
2910
2911 if (argc < 2 || argc > 3)
2912 {
2913 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2914 return ERROR_COMMAND_SYNTAX_ERROR;
2915 }
2916
2917 uint32_t addr;
2918 int retval = parse_u32(args[0], &addr);
2919 if (ERROR_OK != retval)
2920 return retval;
2921
2922 uint32_t length;
2923 retval = parse_u32(args[1], &length);
2924 if (ERROR_OK != retval)
2925 return retval;
2926
2927 int hw = BKPT_SOFT;
2928 if (argc == 3)
2929 {
2930 if (strcmp(args[2], "hw") == 0)
2931 hw = BKPT_HARD;
2932 else
2933 return ERROR_COMMAND_SYNTAX_ERROR;
2934 }
2935
2936 return handle_bp_command_set(cmd_ctx, addr, length, hw);
2937 }
2938
2939 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2940 {
2941 if (argc != 1)
2942 return ERROR_COMMAND_SYNTAX_ERROR;
2943
2944 uint32_t addr;
2945 int retval = parse_u32(args[0], &addr);
2946 if (ERROR_OK != retval)
2947 return retval;
2948
2949 target_t *target = get_current_target(cmd_ctx);
2950 breakpoint_remove(target, addr);
2951
2952 return ERROR_OK;
2953 }
2954
2955 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2956 {
2957 target_t *target = get_current_target(cmd_ctx);
2958
2959 if (argc == 0)
2960 {
2961 watchpoint_t *watchpoint = target->watchpoints;
2962
2963 while (watchpoint)
2964 {
2965 command_print(cmd_ctx,
2966 "address: 0x%8.8" PRIx32 ", len: 0x%8.8x, r/w/a: %i, value: 0x%8.8" PRIx32 ", mask: 0x%8.8" PRIx32 "",
2967 watchpoint->address,
2968 watchpoint->length,
2969 (int)(watchpoint->rw),
2970 watchpoint->value,
2971 watchpoint->mask);
2972 watchpoint = watchpoint->next;
2973 }
2974 return ERROR_OK;
2975 }
2976
2977 enum watchpoint_rw type = WPT_ACCESS;
2978 uint32_t addr = 0;
2979 uint32_t length = 0;
2980 uint32_t data_value = 0x0;
2981 uint32_t data_mask = 0xffffffff;
2982 int retval;
2983
2984 switch (argc)
2985 {
2986 case 5:
2987 retval = parse_u32(args[4], &data_mask);
2988 if (ERROR_OK != retval)
2989 return retval;
2990 // fall through
2991 case 4:
2992 retval = parse_u32(args[3], &data_value);
2993 if (ERROR_OK != retval)
2994 return retval;
2995 // fall through
2996 case 3:
2997 switch (args[2][0])
2998 {
2999 case 'r':
3000 type = WPT_READ;
3001 break;
3002 case 'w':
3003 type = WPT_WRITE;
3004 break;
3005 case 'a':
3006 type = WPT_ACCESS;
3007 break;
3008 default:
3009 LOG_ERROR("invalid watchpoint mode ('%c')", args[2][0]);
3010 return ERROR_COMMAND_SYNTAX_ERROR;
3011 }
3012 // fall through
3013 case 2:
3014 retval = parse_u32(args[1], &length);
3015 if (ERROR_OK != retval)
3016 return retval;
3017 retval = parse_u32(args[0], &addr);
3018 if (ERROR_OK != retval)
3019 return retval;
3020 break;
3021
3022 default:
3023 command_print(cmd_ctx, "usage: wp [address length "
3024 "[(r|w|a) [value [mask]]]]");
3025 return ERROR_COMMAND_SYNTAX_ERROR;
3026 }
3027
3028 retval = watchpoint_add(target, addr, length, type,
3029 data_value, data_mask);
3030 if (ERROR_OK != retval)
3031 LOG_ERROR("Failure setting watchpoints");
3032
3033 return retval;
3034 }
3035
3036 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
3037 {
3038 if (argc != 1)
3039 return ERROR_COMMAND_SYNTAX_ERROR;
3040
3041 uint32_t addr;
3042 int retval = parse_u32(args[0], &addr);
3043 if (ERROR_OK != retval)
3044 return retval;
3045
3046 target_t *target = get_current_target(cmd_ctx);
3047 watchpoint_remove(target, addr);
3048
3049 return ERROR_OK;
3050 }
3051
3052
3053 /**
3054 * Translate a virtual address to a physical address.
3055 *
3056 * The low-level target implementation must have logged a detailed error
3057 * which is forwarded to telnet/GDB session.
3058 */
3059 static int handle_virt2phys_command(command_context_t *cmd_ctx,
3060 char *cmd, char **args, int argc)
3061 {
3062 if (argc != 1)
3063 return ERROR_COMMAND_SYNTAX_ERROR;
3064
3065 uint32_t va;
3066 int retval = parse_u32(args[0], &va);
3067 if (ERROR_OK != retval)
3068 return retval;
3069 uint32_t pa;
3070
3071 target_t *target = get_current_target(cmd_ctx);
3072 retval = target->type->virt2phys(target, va, &pa);
3073 if (retval == ERROR_OK)
3074 command_print(cmd_ctx, "Physical address 0x%08" PRIx32 "", pa);
3075
3076 return retval;
3077 }
3078
3079 static void writeData(FILE *f, const void *data, size_t len)
3080 {
3081 size_t written = fwrite(data, 1, len, f);
3082 if (written != len)
3083 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
3084 }
3085
3086 static void writeLong(FILE *f, int l)
3087 {
3088 int i;
3089 for (i = 0; i < 4; i++)
3090 {
3091 char c = (l >> (i*8))&0xff;
3092 writeData(f, &c, 1);
3093 }
3094
3095 }
3096
3097 static void writeString(FILE *f, char *s)
3098 {
3099 writeData(f, s, strlen(s));
3100 }
3101
3102 /* Dump a gmon.out histogram file. */
3103 static void writeGmon(uint32_t *samples, uint32_t sampleNum, char *filename)
3104 {
3105 uint32_t i;
3106 FILE *f = fopen(filename, "w");
3107 if (f == NULL)
3108 return;
3109 writeString(f, "gmon");
3110 writeLong(f, 0x00000001); /* Version */
3111 writeLong(f, 0); /* padding */
3112 writeLong(f, 0); /* padding */
3113 writeLong(f, 0); /* padding */
3114
3115 uint8_t zero = 0; /* GMON_TAG_TIME_HIST */
3116 writeData(f, &zero, 1);
3117
3118 /* figure out bucket size */
3119 uint32_t min = samples[0];
3120 uint32_t max = samples[0];
3121 for (i = 0; i < sampleNum; i++)
3122 {
3123 if (min > samples[i])
3124 {
3125 min = samples[i];
3126 }
3127 if (max < samples[i])
3128 {
3129 max = samples[i];
3130 }
3131 }
3132
3133 int addressSpace = (max-min + 1);
3134
3135 static const uint32_t maxBuckets = 256 * 1024; /* maximum buckets. */
3136 uint32_t length = addressSpace;
3137 if (length > maxBuckets)
3138 {
3139 length = maxBuckets;
3140 }
3141 int *buckets = malloc(sizeof(int)*length);
3142 if (buckets == NULL)
3143 {
3144 fclose(f);
3145 return;
3146 }
3147 memset(buckets, 0, sizeof(int)*length);
3148 for (i = 0; i < sampleNum;i++)
3149 {
3150 uint32_t address = samples[i];
3151 long long a = address-min;
3152 long long b = length-1;
3153 long long c = addressSpace-1;
3154 int index = (a*b)/c; /* danger!!!! int32 overflows */
3155 buckets[index]++;
3156 }
3157
3158 /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
3159 writeLong(f, min); /* low_pc */
3160 writeLong(f, max); /* high_pc */
3161 writeLong(f, length); /* # of samples */
3162 writeLong(f, 64000000); /* 64MHz */
3163 writeString(f, "seconds");
3164 for (i = 0; i < (15-strlen("seconds")); i++)
3165 writeData(f, &zero, 1);
3166 writeString(f, "s");
3167
3168 /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
3169
3170 char *data = malloc(2*length);
3171 if (data != NULL)
3172 {
3173 for (i = 0; i < length;i++)
3174 {
3175 int val;
3176 val = buckets[i];
3177 if (val > 65535)
3178 {
3179 val = 65535;
3180 }
3181 data[i*2]=val&0xff;
3182 data[i*2 + 1]=(val >> 8)&0xff;
3183 }
3184 free(buckets);
3185 writeData(f, data, length * 2);
3186 free(data);
3187 } else
3188 {
3189 free(buckets);
3190 }
3191
3192 fclose(f);
3193 }
3194
3195 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
3196 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
3197 {
3198 target_t *target = get_current_target(cmd_ctx);
3199 struct timeval timeout, now;
3200
3201 gettimeofday(&timeout, NULL);
3202 if (argc != 2)
3203 {
3204 return ERROR_COMMAND_SYNTAX_ERROR;
3205 }
3206 unsigned offset;
3207 int retval = parse_uint(args[0], &offset);
3208 if (ERROR_OK != retval)
3209 return retval;
3210
3211 timeval_add_time(&timeout, offset, 0);
3212
3213 command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
3214
3215 static const int maxSample = 10000;
3216 uint32_t *samples = malloc(sizeof(uint32_t)*maxSample);
3217 if (samples == NULL)
3218 return ERROR_OK;
3219
3220 int numSamples = 0;
3221 /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
3222 reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
3223
3224 for (;;)
3225 {
3226 target_poll(target);
3227 if (target->state == TARGET_HALTED)
3228 {
3229 uint32_t t=*((uint32_t *)reg->value);
3230 samples[numSamples++]=t;
3231 retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3232 target_poll(target);
3233 alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
3234 } else if (target->state == TARGET_RUNNING)
3235 {
3236 /* We want to quickly sample the PC. */
3237 if ((retval = target_halt(target)) != ERROR_OK)
3238 {
3239 free(samples);
3240 return retval;
3241 }
3242 } else
3243 {
3244 command_print(cmd_ctx, "Target not halted or running");
3245 retval = ERROR_OK;
3246 break;
3247 }
3248 if (retval != ERROR_OK)
3249 {
3250 break;
3251 }
3252
3253 gettimeofday(&now, NULL);
3254 if ((numSamples >= maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
3255 {
3256 command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
3257 if ((retval = target_poll(target)) != ERROR_OK)
3258 {
3259 free(samples);
3260 return retval;
3261 }
3262 if (target->state == TARGET_HALTED)
3263 {
3264 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3265 }
3266 if ((retval = target_poll(target)) != ERROR_OK)
3267 {
3268 free(samples);
3269 return retval;
3270 }
3271 writeGmon(samples, numSamples, args[1]);
3272 command_print(cmd_ctx, "Wrote %s", args[1]);
3273 break;
3274 }
3275 }
3276 free(samples);
3277
3278 return ERROR_OK;
3279 }
3280
3281 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t val)
3282 {
3283 char *namebuf;
3284 Jim_Obj *nameObjPtr, *valObjPtr;
3285 int result;
3286
3287 namebuf = alloc_printf("%s(%d)", varname, idx);
3288 if (!namebuf)
3289 return JIM_ERR;
3290
3291 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3292 valObjPtr = Jim_NewIntObj(interp, val);
3293 if (!nameObjPtr || !valObjPtr)
3294 {
3295 free(namebuf);
3296 return JIM_ERR;
3297 }
3298
3299 Jim_IncrRefCount(nameObjPtr);
3300 Jim_IncrRefCount(valObjPtr);
3301 result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
3302 Jim_DecrRefCount(interp, nameObjPtr);
3303 Jim_DecrRefCount(interp, valObjPtr);
3304 free(namebuf);
3305 /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
3306 return result;
3307 }
3308
3309 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3310 {
3311 command_context_t *context;
3312 target_t *target;
3313
3314 context = Jim_GetAssocData(interp, "context");
3315 if (context == NULL)
3316 {
3317 LOG_ERROR("mem2array: no command context");
3318 return JIM_ERR;
3319 }
3320 target = get_current_target(context);
3321 if (target == NULL)
3322 {
3323 LOG_ERROR("mem2array: no current target");
3324 return JIM_ERR;
3325 }
3326
3327 return target_mem2array(interp, target, argc-1, argv + 1);
3328 }
3329
3330 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
3331 {
3332 long l;
3333 uint32_t width;
3334 int len;
3335 uint32_t addr;
3336 uint32_t count;
3337 uint32_t v;
3338 const char *varname;
3339 uint8_t buffer[4096];
3340 int n, e, retval;
3341 uint32_t i;
3342
3343 /* argv[1] = name of array to receive the data
3344 * argv[2] = desired width
3345 * argv[3] = memory address
3346 * argv[4] = count of times to read
3347 */
3348 if (argc != 4) {
3349 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3350 return JIM_ERR;
3351 }
3352 varname = Jim_GetString(argv[0], &len);
3353 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3354
3355 e = Jim_GetLong(interp, argv[1], &l);
3356 width = l;
3357 if (e != JIM_OK) {
3358 return e;
3359 }
3360
3361 e = Jim_GetLong(interp, argv[2], &l);
3362 addr = l;
3363 if (e != JIM_OK) {
3364 return e;
3365 }
3366 e = Jim_GetLong(interp, argv[3], &l);
3367 len = l;
3368 if (e != JIM_OK) {
3369 return e;
3370 }
3371 switch (width) {
3372 case 8:
3373 width = 1;
3374 break;
3375 case 16:
3376 width = 2;
3377 break;
3378 case 32:
3379 width = 4;
3380 break;
3381 default:
3382 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3383 Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3384 return JIM_ERR;
3385 }
3386 if (len == 0) {
3387 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3388 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
3389 return JIM_ERR;
3390 }
3391 if ((addr + (len * width)) < addr) {
3392 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3393 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
3394 return JIM_ERR;
3395 }
3396 /* absurd transfer size? */
3397 if (len > 65536) {
3398 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3399 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
3400 return JIM_ERR;
3401 }
3402
3403 if ((width == 1) ||
3404 ((width == 2) && ((addr & 1) == 0)) ||
3405 ((width == 4) && ((addr & 3) == 0))) {
3406 /* all is well */
3407 } else {
3408 char buf[100];
3409 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3410 sprintf(buf, "mem2array address: 0x%08" PRIx32 " is not aligned for %" PRId32 " byte reads",
3411 addr,
3412 width);
3413 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3414 return JIM_ERR;
3415 }
3416
3417 /* Transfer loop */
3418
3419 /* index counter */
3420 n = 0;
3421 /* assume ok */
3422 e = JIM_OK;
3423 while (len) {
3424 /* Slurp... in buffer size chunks */
3425
3426 count = len; /* in objects.. */
3427 if (count > (sizeof(buffer)/width)) {
3428 count = (sizeof(buffer)/width);
3429 }
3430
3431 retval = target_read_memory(target, addr, width, count, buffer);
3432 if (retval != ERROR_OK) {
3433 /* BOO !*/
3434 LOG_ERROR("mem2array: Read @ 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), "mem2array: cannot read memory", NULL);
3440 e = JIM_ERR;
3441 len = 0;
3442 } else {
3443 v = 0; /* shut up gcc */
3444 for (i = 0 ;i < count ;i++, n++) {
3445 switch (width) {
3446 case 4:
3447 v = target_buffer_get_u32(target, &buffer[i*width]);
3448 break;
3449 case 2:
3450 v = target_buffer_get_u16(target, &buffer[i*width]);
3451 break;
3452 case 1:
3453 v = buffer[i] & 0x0ff;
3454 break;
3455 }
3456 new_int_array_element(interp, varname, n, v);
3457 }
3458 len -= count;
3459 }
3460 }
3461
3462 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3463
3464 return JIM_OK;
3465 }
3466
3467 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t *val)
3468 {
3469 char *namebuf;
3470 Jim_Obj *nameObjPtr, *valObjPtr;
3471 int result;
3472 long l;
3473
3474 namebuf = alloc_printf("%s(%d)", varname, idx);
3475 if (!namebuf)
3476 return JIM_ERR;
3477
3478 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3479 if (!nameObjPtr)
3480 {
3481 free(namebuf);
3482 return JIM_ERR;
3483 }
3484
3485 Jim_IncrRefCount(nameObjPtr);
3486 valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
3487 Jim_DecrRefCount(interp, nameObjPtr);
3488 free(namebuf);
3489 if (valObjPtr == NULL)
3490 return JIM_ERR;
3491
3492 result = Jim_GetLong(interp, valObjPtr, &l);
3493 /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
3494 *val = l;
3495 return result;
3496 }
3497
3498 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3499 {
3500 command_context_t *context;
3501 target_t *target;
3502
3503 context = Jim_GetAssocData(interp, "context");
3504 if (context == NULL) {
3505 LOG_ERROR("array2mem: no command context");
3506 return JIM_ERR;
3507 }
3508 target = get_current_target(context);
3509 if (target == NULL) {
3510 LOG_ERROR("array2mem: no current target");
3511 return JIM_ERR;
3512 }
3513
3514 return target_array2mem(interp,target, argc-1, argv + 1);
3515 }
3516 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
3517 {
3518 long l;
3519 uint32_t width;
3520 int len;
3521 uint32_t addr;
3522 uint32_t count;
3523 uint32_t v;
3524 const char *varname;
3525 uint8_t buffer[4096];
3526 int n, e, retval;
3527 uint32_t i;
3528
3529 /* argv[1] = name of array to get the data
3530 * argv[2] = desired width
3531 * argv[3] = memory address
3532 * argv[4] = count to write
3533 */
3534 if (argc != 4) {
3535 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3536 return JIM_ERR;
3537 }
3538 varname = Jim_GetString(argv[0], &len);
3539 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3540
3541 e = Jim_GetLong(interp, argv[1], &l);
3542 width = l;
3543 if (e != JIM_OK) {
3544 return e;
3545 }
3546
3547 e = Jim_GetLong(interp, argv[2], &l);
3548 addr = l;
3549 if (e != JIM_OK) {
3550 return e;
3551 }
3552 e = Jim_GetLong(interp, argv[3], &l);
3553 len = l;
3554 if (e != JIM_OK) {
3555 return e;
3556 }
3557 switch (width) {
3558 case 8:
3559 width = 1;
3560 break;
3561 case 16:
3562 width = 2;
3563 break;
3564 case 32:
3565 width = 4;
3566 break;
3567 default:
3568 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3569 Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3570 return JIM_ERR;
3571 }
3572 if (len == 0) {
3573 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3574 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
3575 return JIM_ERR;
3576 }
3577 if ((addr + (len * width)) < addr) {
3578 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3579 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
3580 return JIM_ERR;
3581 }
3582 /* absurd transfer size? */
3583 if (len > 65536) {
3584 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3585 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
3586 return JIM_ERR;
3587 }
3588
3589 if ((width == 1) ||
3590 ((width == 2) && ((addr & 1) == 0)) ||
3591 ((width == 4) && ((addr & 3) == 0))) {
3592 /* all is well */
3593 } else {
3594 char buf[100];
3595 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3596 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads",
3597 (unsigned int)addr,
3598 (int)width);
3599 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3600 return JIM_ERR;
3601 }
3602
3603 /* Transfer loop */
3604
3605 /* index counter */
3606 n = 0;
3607 /* assume ok */
3608 e = JIM_OK;
3609 while (len) {
3610 /* Slurp... in buffer size chunks */
3611
3612 count = len; /* in objects.. */
3613 if (count > (sizeof(buffer)/width)) {
3614 count = (sizeof(buffer)/width);
3615 }
3616
3617 v = 0; /* shut up gcc */
3618 for (i = 0 ;i < count ;i++, n++) {
3619 get_int_array_element(interp, varname, n, &v);
3620 switch (width) {
3621 case 4:
3622 target_buffer_set_u32(target, &buffer[i*width], v);
3623 break;
3624 case 2:
3625 target_buffer_set_u16(target, &buffer[i*width], v);
3626 break;
3627 case 1:
3628 buffer[i] = v & 0x0ff;
3629 break;
3630 }
3631 }
3632 len -= count;
3633
3634 retval = target_write_memory(target, addr, width, count, buffer);
3635 if (retval != ERROR_OK) {
3636 /* BOO !*/
3637 LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed",
3638 (unsigned int)addr,
3639 (int)width,
3640 (int)count);
3641 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3642 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3643 e = JIM_ERR;
3644 len = 0;
3645 }
3646 }
3647
3648 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3649
3650 return JIM_OK;
3651 }
3652
3653 void target_all_handle_event(enum target_event e)
3654 {
3655 target_t *target;
3656
3657 LOG_DEBUG("**all*targets: event: %d, %s",
3658 (int)e,
3659 Jim_Nvp_value2name_simple(nvp_target_event, e)->name);
3660
3661 target = all_targets;
3662 while (target) {
3663 target_handle_event(target, e);
3664 target = target->next;
3665 }
3666 }
3667
3668
3669 /* FIX? should we propagate errors here rather than printing them
3670 * and continuing?
3671 */
3672 void target_handle_event(target_t *target, enum target_event e)
3673 {
3674 target_event_action_t *teap;
3675
3676 for (teap = target->event_action; teap != NULL; teap = teap->next) {
3677 if (teap->event == e) {
3678 LOG_DEBUG("target: (%d) %s (%s) event: %d (%s) action: %s",
3679 target->target_number,
3680 target->cmd_name,
3681 target_get_name(target),
3682 e,
3683 Jim_Nvp_value2name_simple(nvp_target_event, e)->name,
3684 Jim_GetString(teap->body, NULL));
3685 if (Jim_EvalObj(interp, teap->body) != JIM_OK)
3686 {
3687 Jim_PrintErrorMessage(interp);
3688 }
3689 }
3690 }
3691 }
3692
3693 enum target_cfg_param {
3694 TCFG_TYPE,
3695 TCFG_EVENT,
3696 TCFG_WORK_AREA_VIRT,
3697 TCFG_WORK_AREA_PHYS,
3698 TCFG_WORK_AREA_SIZE,
3699 TCFG_WORK_AREA_BACKUP,
3700 TCFG_ENDIAN,
3701 TCFG_VARIANT,
3702 TCFG_CHAIN_POSITION,
3703 };
3704
3705 static Jim_Nvp nvp_config_opts[] = {
3706 { .name = "-type", .value = TCFG_TYPE },
3707 { .name = "-event", .value = TCFG_EVENT },
3708 { .name = "-work-area-virt", .value = TCFG_WORK_AREA_VIRT },
3709 { .name = "-work-area-phys", .value = TCFG_WORK_AREA_PHYS },
3710 { .name = "-work-area-size", .value = TCFG_WORK_AREA_SIZE },
3711 { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3712 { .name = "-endian" , .value = TCFG_ENDIAN },
3713 { .name = "-variant", .value = TCFG_VARIANT },
3714 { .name = "-chain-position", .value = TCFG_CHAIN_POSITION },
3715
3716 { .name = NULL, .value = -1 }
3717 };
3718
3719 static int target_configure(Jim_GetOptInfo *goi, target_t *target)
3720 {
3721 Jim_Nvp *n;
3722 Jim_Obj *o;
3723 jim_wide w;
3724 char *cp;
3725 int e;
3726
3727 /* parse config or cget options ... */
3728 while (goi->argc > 0) {
3729 Jim_SetEmptyResult(goi->interp);
3730 /* Jim_GetOpt_Debug(goi); */
3731
3732 if (target->type->target_jim_configure) {
3733 /* target defines a configure function */
3734 /* target gets first dibs on parameters */
3735 e = (*(target->type->target_jim_configure))(target, goi);
3736 if (e == JIM_OK) {
3737 /* more? */
3738 continue;
3739 }
3740 if (e == JIM_ERR) {
3741 /* An error */
3742 return e;
3743 }
3744 /* otherwise we 'continue' below */
3745 }
3746 e = Jim_GetOpt_Nvp(goi, nvp_config_opts, &n);
3747 if (e != JIM_OK) {
3748 Jim_GetOpt_NvpUnknown(goi, nvp_config_opts, 0);
3749 return e;
3750 }
3751 switch (n->value) {
3752 case TCFG_TYPE:
3753 /* not setable */
3754 if (goi->isconfigure) {
3755 Jim_SetResult_sprintf(goi->interp, "not setable: %s", n->name);
3756 return JIM_ERR;
3757 } else {
3758 no_params:
3759 if (goi->argc != 0) {
3760 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "NO PARAMS");
3761 return JIM_ERR;
3762 }
3763 }
3764 Jim_SetResultString(goi->interp, target_get_name(target), -1);
3765 /* loop for more */
3766 break;
3767 case TCFG_EVENT:
3768 if (goi->argc == 0) {
3769 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3770 return JIM_ERR;
3771 }
3772
3773 e = Jim_GetOpt_Nvp(goi, nvp_target_event, &n);
3774 if (e != JIM_OK) {
3775 Jim_GetOpt_NvpUnknown(goi, nvp_target_event, 1);
3776 return e;
3777 }
3778
3779 if (goi->isconfigure) {
3780 if (goi->argc != 1) {
3781 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3782 return JIM_ERR;
3783 }
3784 } else {
3785 if (goi->argc != 0) {
3786 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3787 return JIM_ERR;
3788 }
3789 }
3790
3791 {
3792 target_event_action_t *teap;
3793
3794 teap = target->event_action;
3795 /* replace existing? */
3796 while (teap) {
3797 if (teap->event == (enum target_event)n->value) {
3798 break;
3799 }
3800 teap = teap->next;
3801 }
3802
3803 if (goi->isconfigure) {
3804 bool replace = true;
3805 if (teap == NULL) {
3806 /* create new */
3807 teap = calloc(1, sizeof(*teap));
3808 replace = false;
3809 }
3810 teap->event = n->value;
3811 Jim_GetOpt_Obj(goi, &o);
3812 if (teap->body) {
3813 Jim_DecrRefCount(interp, teap->body);
3814 }
3815 teap->body = Jim_DuplicateObj(goi->interp, o);
3816 /*
3817 * FIXME:
3818 * Tcl/TK - "tk events" have a nice feature.
3819 * See the "BIND" command.
3820 * We should support that here.
3821 * You can specify %X and %Y in the event code.
3822 * The idea is: %T - target name.
3823 * The idea is: %N - target number
3824 * The idea is: %E - event name.
3825 */
3826 Jim_IncrRefCount(teap->body);
3827
3828 if (!replace)
3829 {
3830 /* add to head of event list */
3831 teap->next = target->event_action;
3832 target->event_action = teap;
3833 }
3834 Jim_SetEmptyResult(goi->interp);
3835 } else {
3836 /* get */
3837 if (teap == NULL) {
3838 Jim_SetEmptyResult(goi->interp);
3839 } else {
3840 Jim_SetResult(goi->interp, Jim_DuplicateObj(goi->interp, teap->body));
3841 }
3842 }
3843 }
3844 /* loop for more */
3845 break;
3846
3847 case TCFG_WORK_AREA_VIRT:
3848 if (goi->isconfigure) {
3849 target_free_all_working_areas(target);
3850 e = Jim_GetOpt_Wide(goi, &w);
3851 if (e != JIM_OK) {
3852 return e;
3853 }
3854 target->working_area_virt = w;
3855 target->working_area_virt_spec = true;
3856 } else {
3857 if (goi->argc != 0) {
3858 goto no_params;
3859 }
3860 }
3861 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_virt));
3862 /* loop for more */
3863 break;
3864
3865 case TCFG_WORK_AREA_PHYS:
3866 if (goi->isconfigure) {
3867 target_free_all_working_areas(target);
3868 e = Jim_GetOpt_Wide(goi, &w);
3869 if (e != JIM_OK) {
3870 return e;
3871 }
3872 target->working_area_phys = w;
3873 target->working_area_phys_spec = true;
3874 } else {
3875 if (goi->argc != 0) {
3876 goto no_params;
3877 }
3878 }
3879 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_phys));
3880 /* loop for more */
3881 break;
3882
3883 case TCFG_WORK_AREA_SIZE:
3884 if (goi->isconfigure) {
3885 target_free_all_working_areas(target);
3886 e = Jim_GetOpt_Wide(goi, &w);
3887 if (e != JIM_OK) {
3888 return e;
3889 }
3890 target->working_area_size = w;
3891 } else {
3892 if (goi->argc != 0) {
3893 goto no_params;
3894 }
3895 }
3896 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_size));
3897 /* loop for more */
3898 break;
3899
3900 case TCFG_WORK_AREA_BACKUP:
3901 if (goi->isconfigure) {
3902 target_free_all_working_areas(target);
3903 e = Jim_GetOpt_Wide(goi, &w);
3904 if (e != JIM_OK) {
3905 return e;
3906 }
3907 /* make this exactly 1 or 0 */
3908 target->backup_working_area = (!!w);
3909 } else {
3910 if (goi->argc != 0) {
3911 goto no_params;
3912 }
3913 }
3914 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->backup_working_area));
3915 /* loop for more e*/
3916 break;
3917
3918 case TCFG_ENDIAN:
3919 if (goi->isconfigure) {
3920 e = Jim_GetOpt_Nvp(goi, nvp_target_endian, &n);
3921 if (e != JIM_OK) {
3922 Jim_GetOpt_NvpUnknown(goi, nvp_target_endian, 1);
3923 return e;
3924 }
3925 target->endianness = n->value;
3926 } else {
3927 if (goi->argc != 0) {
3928 goto no_params;
3929 }
3930 }
3931 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
3932 if (n->name == NULL) {
3933 target->endianness = TARGET_LITTLE_ENDIAN;
3934 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
3935 }
3936 Jim_SetResultString(goi->interp, n->name, -1);
3937 /* loop for more */
3938 break;
3939
3940 case TCFG_VARIANT:
3941 if (goi->isconfigure) {
3942 if (goi->argc < 1) {
3943 Jim_SetResult_sprintf(goi->interp,
3944 "%s ?STRING?",
3945 n->name);
3946 return JIM_ERR;
3947 }
3948 if (target->variant) {
3949 free((void *)(target->variant));
3950 }
3951 e = Jim_GetOpt_String(goi, &cp, NULL);
3952 target->variant = strdup(cp);
3953 } else {
3954 if (goi->argc != 0) {
3955 goto no_params;
3956 }
3957 }
3958 Jim_SetResultString(goi->interp, target->variant,-1);
3959 /* loop for more */
3960 break;
3961 case TCFG_CHAIN_POSITION:
3962 if (goi->isconfigure) {
3963 Jim_Obj *o;
3964 jtag_tap_t *tap;
3965 target_free_all_working_areas(target);
3966 e = Jim_GetOpt_Obj(goi, &o);
3967 if (e != JIM_OK) {
3968 return e;
3969 }
3970 tap = jtag_tap_by_jim_obj(goi->interp, o);
3971 if (tap == NULL) {
3972 return JIM_ERR;
3973 }
3974 /* make this exactly 1 or 0 */
3975 target->tap = tap;
3976 } else {
3977 if (goi->argc != 0) {
3978 goto no_params;
3979 }
3980 }
3981 Jim_SetResultString(interp, target->tap->dotted_name, -1);
3982 /* loop for more e*/
3983 break;
3984 }
3985 } /* while (goi->argc) */
3986
3987
3988 /* done - we return */
3989 return JIM_OK;
3990 }
3991
3992 /** this is the 'tcl' handler for the target specific command */
3993 static int tcl_target_func(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3994 {
3995 Jim_GetOptInfo goi;
3996 jim_wide a,b,c;
3997 int x,y,z;
3998 uint8_t target_buf[32];
3999 Jim_Nvp *n;
4000 target_t *target;
4001 struct command_context_s *cmd_ctx;
4002 int e;
4003
4004 enum {
4005 TS_CMD_CONFIGURE,
4006 TS_CMD_CGET,
4007
4008 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
4009 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
4010 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
4011 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
4012 TS_CMD_EXAMINE,
4013 TS_CMD_POLL,
4014 TS_CMD_RESET,
4015 TS_CMD_HALT,
4016 TS_CMD_WAITSTATE,
4017 TS_CMD_EVENTLIST,
4018 TS_CMD_CURSTATE,
4019 TS_CMD_INVOKE_EVENT,
4020 };
4021
4022 static const Jim_Nvp target_options[] = {
4023 { .name = "configure", .value = TS_CMD_CONFIGURE },
4024 { .name = "cget", .value = TS_CMD_CGET },
4025 { .name = "mww", .value = TS_CMD_MWW },
4026 { .name = "mwh", .value = TS_CMD_MWH },
4027 { .name = "mwb", .value = TS_CMD_MWB },
4028 { .name = "mdw", .value = TS_CMD_MDW },
4029 { .name = "mdh", .value = TS_CMD_MDH },
4030 { .name = "mdb", .value = TS_CMD_MDB },
4031 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
4032 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
4033 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
4034 { .name = "curstate", .value = TS_CMD_CURSTATE },
4035
4036 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
4037 { .name = "arp_poll", .value = TS_CMD_POLL },
4038 { .name = "arp_reset", .value = TS_CMD_RESET },
4039 { .name = "arp_halt", .value = TS_CMD_HALT },
4040 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
4041 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
4042
4043 { .name = NULL, .value = -1 },
4044 };
4045
4046 /* go past the "command" */
4047 Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
4048
4049 target = Jim_CmdPrivData(goi.interp);
4050 cmd_ctx = Jim_GetAssocData(goi.interp, "context");
4051
4052 /* commands here are in an NVP table */
4053 e = Jim_GetOpt_Nvp(&goi, target_options, &n);
4054 if (e != JIM_OK) {
4055 Jim_GetOpt_NvpUnknown(&goi, target_options, 0);
4056 return e;
4057 }
4058 /* Assume blank result */
4059 Jim_SetEmptyResult(goi.interp);
4060
4061 switch (n->value) {
4062 case TS_CMD_CONFIGURE:
4063 if (goi.argc < 2) {
4064 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
4065 return JIM_ERR;
4066 }
4067 goi.isconfigure = 1;
4068 return target_configure(&goi, target);
4069 case TS_CMD_CGET:
4070 // some things take params
4071 if (goi.argc < 1) {
4072 Jim_WrongNumArgs(goi.interp, 0, goi.argv, "missing: ?-option?");
4073 return JIM_ERR;
4074 }
4075 goi.isconfigure = 0;
4076 return target_configure(&goi, target);
4077 break;
4078 case TS_CMD_MWW:
4079 case TS_CMD_MWH:
4080 case TS_CMD_MWB:
4081 /* argv[0] = cmd
4082 * argv[1] = address
4083 * argv[2] = data
4084 * argv[3] = optional count.
4085 */
4086
4087 if ((goi.argc == 2) || (goi.argc == 3)) {
4088 /* all is well */
4089 } else {
4090 mwx_error:
4091 Jim_SetResult_sprintf(goi.interp, "expected: %s ADDR DATA [COUNT]", n->name);
4092 return JIM_ERR;
4093 }
4094
4095 e = Jim_GetOpt_Wide(&goi, &a);
4096 if (e != JIM_OK) {
4097 goto mwx_error;
4098 }
4099
4100 e = Jim_GetOpt_Wide(&goi, &b);
4101 if (e != JIM_OK) {
4102 goto mwx_error;
4103 }
4104 if (goi.argc == 3) {
4105 e = Jim_GetOpt_Wide(&goi, &c);
4106 if (e != JIM_OK) {
4107 goto mwx_error;
4108 }
4109 } else {
4110 c = 1;
4111 }
4112
4113 switch (n->value) {
4114 case TS_CMD_MWW:
4115 target_buffer_set_u32(target, target_buf, b);
4116 b = 4;
4117 break;
4118 case TS_CMD_MWH:
4119 target_buffer_set_u16(target, target_buf, b);
4120 b = 2;
4121 break;
4122 case TS_CMD_MWB:
4123 target_buffer_set_u8(target, target_buf, b);
4124 b = 1;
4125 break;
4126 }
4127 for (x = 0 ; x < c ; x++) {
4128 e = target_write_memory(target, a, b, 1, target_buf);
4129 if (e != ERROR_OK) {
4130 Jim_SetResult_sprintf(interp, "Error writing @ 0x%08x: %d\n", (int)(a), e);
4131 return JIM_ERR;
4132 }
4133 /* b = width */
4134 a = a + b;
4135 }
4136 return JIM_OK;
4137 break;
4138
4139 /* display */
4140 case TS_CMD_MDW:
4141 case TS_CMD_MDH:
4142 case TS_CMD_MDB:
4143 /* argv[0] = command
4144 * argv[1] = address
4145 * argv[2] = optional count
4146 */
4147 if ((goi.argc == 2) || (goi.argc == 3)) {
4148 Jim_SetResult_sprintf(goi.interp, "expected: %s ADDR [COUNT]", n->name);
4149 return JIM_ERR;
4150 }
4151 e = Jim_GetOpt_Wide(&goi, &a);
4152 if (e != JIM_OK) {
4153 return JIM_ERR;
4154 }
4155 if (goi.argc) {
4156 e = Jim_GetOpt_Wide(&goi, &c);
4157 if (e != JIM_OK) {
4158 return JIM_ERR;
4159 }
4160 } else {
4161 c = 1;
4162 }
4163 b = 1; /* shut up gcc */
4164 switch (n->value) {
4165 case TS_CMD_MDW:
4166 b = 4;
4167 break;
4168 case TS_CMD_MDH:
4169 b = 2;
4170 break;
4171 case TS_CMD_MDB:
4172 b = 1;
4173 break;
4174 }
4175
4176 /* convert to "bytes" */
4177 c = c * b;
4178 /* count is now in 'BYTES' */
4179 while (c > 0) {
4180 y = c;
4181 if (y > 16) {
4182 y = 16;
4183 }
4184 e = target_read_memory(target, a, b, y / b, target_buf);
4185 if (e != ERROR_OK) {
4186 Jim_SetResult_sprintf(interp, "error reading target @ 0x%08lx", (int)(a));
4187 return JIM_ERR;
4188 }
4189
4190 Jim_fprintf(interp, interp->cookie_stdout, "0x%08x ", (int)(a));
4191 switch (b) {
4192 case 4:
4193 for (x = 0 ; (x < 16) && (x < y) ; x += 4) {
4194 z = target_buffer_get_u32(target, &(target_buf[ x * 4 ]));
4195 Jim_fprintf(interp, interp->cookie_stdout, "%08x ", (int)(z));
4196 }
4197 for (; (x < 16) ; x += 4) {
4198 Jim_fprintf(interp, interp->cookie_stdout, " ");
4199 }
4200 break;
4201 case 2:
4202 for (x = 0 ; (x < 16) && (x < y) ; x += 2) {
4203 z = target_buffer_get_u16(target, &(target_buf[ x * 2 ]));
4204 Jim_fprintf(interp, interp->cookie_stdout, "%04x ", (int)(z));
4205 }
4206 for (; (x < 16) ; x += 2) {
4207 Jim_fprintf(interp, interp->cookie_stdout, " ");
4208 }
4209 break;
4210 case 1:
4211 default:
4212 for (x = 0 ; (x < 16) && (x < y) ; x += 1) {
4213 z = target_buffer_get_u8(target, &(target_buf[ x * 4 ]));
4214 Jim_fprintf(interp, interp->cookie_stdout, "%02x ", (int)(z));
4215 }
4216 for (; (x < 16) ; x += 1) {
4217 Jim_fprintf(interp, interp->cookie_stdout, " ");
4218 }
4219 break;
4220 }
4221 /* ascii-ify the bytes */
4222 for (x = 0 ; x < y ; x++) {
4223 if ((target_buf[x] >= 0x20) &&
4224 (target_buf[x] <= 0x7e)) {
4225 /* good */
4226 } else {
4227 /* smack it */
4228 target_buf[x] = '.';
4229 }
4230 }
4231 /* space pad */
4232 while (x < 16) {
4233 target_buf[x] = ' ';
4234 x++;
4235 }
4236 /* terminate */
4237 target_buf[16] = 0;
4238 /* print - with a newline */
4239 Jim_fprintf(interp, interp->cookie_stdout, "%s\n", target_buf);
4240 /* NEXT... */
4241 c -= 16;
4242 a += 16;
4243 }
4244 return JIM_OK;
4245 case TS_CMD_MEM2ARRAY:
4246 return target_mem2array(goi.interp, target, goi.argc, goi.argv);
4247 break;
4248 case TS_CMD_ARRAY2MEM:
4249 return target_array2mem(goi.interp, target, goi.argc, goi.argv);
4250 break;
4251 case TS_CMD_EXAMINE:
4252 if (goi.argc) {
4253 Jim_WrongNumArgs(goi.interp, 2, argv, "[no parameters]");
4254 return JIM_ERR;
4255 }
4256 if (!target->tap->enabled)
4257 goto err_tap_disabled;
4258 e = target->type->examine(target);
4259 if (e != ERROR_OK) {
4260 Jim_SetResult_sprintf(interp, "examine-fails: %d", e);
4261 return JIM_ERR;
4262 }
4263 return JIM_OK;
4264 case TS_CMD_POLL:
4265 if (goi.argc) {
4266 Jim_WrongNumArgs(goi.interp, 2, argv, "[no parameters]");
4267 return JIM_ERR;
4268 }
4269 if (!target->tap->enabled)
4270 goto err_tap_disabled;
4271 if (!(target_was_examined(target))) {
4272 e = ERROR_TARGET_NOT_EXAMINED;
4273 } else {
4274 e = target->type->poll(target);
4275 }
4276 if (e != ERROR_OK) {
4277 Jim_SetResult_sprintf(interp, "poll-fails: %d", e);
4278 return JIM_ERR;
4279 } else {
4280 return JIM_OK;
4281 }
4282 break;
4283 case TS_CMD_RESET:
4284 if (goi.argc != 2) {
4285 Jim_WrongNumArgs(interp, 2, argv,
4286 "([tT]|[fF]|assert|deassert) BOOL");
4287 return JIM_ERR;
4288 }
4289 e = Jim_GetOpt_Nvp(&goi, nvp_assert, &n);
4290 if (e != JIM_OK) {
4291 Jim_GetOpt_NvpUnknown(&goi, nvp_assert, 1);
4292 return e;
4293 }
4294 /* the halt or not param */
4295 e = Jim_GetOpt_Wide(&goi, &a);
4296 if (e != JIM_OK) {
4297 return e;
4298 }
4299 if (!target->tap->enabled)
4300 goto err_tap_disabled;
4301 if (!target->type->assert_reset
4302 || !target->type->deassert_reset) {
4303 Jim_SetResult_sprintf(interp,
4304 "No target-specific reset for %s",
4305 target->cmd_name);
4306 return JIM_ERR;
4307 }
4308 /* determine if we should halt or not. */
4309 target->reset_halt = !!a;
4310 /* When this happens - all workareas are invalid. */
4311 target_free_all_working_areas_restore(target, 0);
4312
4313 /* do the assert */
4314 if (n->value == NVP_ASSERT) {
4315 e = target->type->assert_reset(target);
4316 } else {
4317 e = target->type->deassert_reset(target);
4318 }
4319 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4320 case TS_CMD_HALT:
4321 if (goi.argc) {
4322 Jim_WrongNumArgs(goi.interp, 0, argv, "halt [no parameters]");
4323 return JIM_ERR;
4324 }
4325 if (!target->tap->enabled)
4326 goto err_tap_disabled;
4327 e = target->type->halt(target);
4328 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4329 case TS_CMD_WAITSTATE:
4330 /* params: <name> statename timeoutmsecs */
4331 if (goi.argc != 2) {
4332 Jim_SetResult_sprintf(goi.interp, "%s STATENAME TIMEOUTMSECS", n->name);
4333 return JIM_ERR;
4334 }
4335 e = Jim_GetOpt_Nvp(&goi, nvp_target_state, &n);
4336 if (e != JIM_OK) {
4337 Jim_GetOpt_NvpUnknown(&goi, nvp_target_state,1);
4338 return e;
4339 }
4340 e = Jim_GetOpt_Wide(&goi, &a);
4341 if (e != JIM_OK) {
4342 return e;
4343 }
4344 if (!target->tap->enabled)
4345 goto err_tap_disabled;
4346 e = target_wait_state(target, n->value, a);
4347 if (e != ERROR_OK) {
4348 Jim_SetResult_sprintf(goi.interp,
4349 "target: %s wait %s fails (%d) %s",
4350 target->cmd_name,
4351 n->name,
4352 e, target_strerror_safe(e));
4353 return JIM_ERR;
4354 } else {
4355 return JIM_OK;
4356 }
4357 case TS_CMD_EVENTLIST:
4358 /* List for human, Events defined for this target.
4359 * scripts/programs should use 'name cget -event NAME'
4360 */
4361 {
4362 target_event_action_t *teap;
4363 teap = target->event_action;
4364 command_print(cmd_ctx, "Event actions for target (%d) %s\n",
4365 target->target_number,
4366 target->cmd_name);
4367 command_print(cmd_ctx, "%-25s | Body", "Event");
4368 command_print(cmd_ctx, "------------------------- | ----------------------------------------");
4369 while (teap) {
4370 command_print(cmd_ctx,
4371 "%-25s | %s",
4372 Jim_Nvp_value2name_simple(nvp_target_event, teap->event)->name,
4373 Jim_GetString(teap->body, NULL));
4374 teap = teap->next;
4375 }
4376 command_print(cmd_ctx, "***END***");
4377 return JIM_OK;
4378 }
4379 case TS_CMD_CURSTATE:
4380 if (goi.argc != 0) {
4381 Jim_WrongNumArgs(goi.interp, 0, argv, "[no parameters]");
4382 return JIM_ERR;
4383 }
4384 Jim_SetResultString(goi.interp,
4385 target_state_name( target ),
4386 -1);
4387 return JIM_OK;
4388 case TS_CMD_INVOKE_EVENT:
4389 if (goi.argc != 1) {
4390 Jim_SetResult_sprintf(goi.interp, "%s ?EVENTNAME?",n->name);
4391 return JIM_ERR;
4392 }
4393 e = Jim_GetOpt_Nvp(&goi, nvp_target_event, &n);
4394 if (e != JIM_OK) {
4395 Jim_GetOpt_NvpUnknown(&goi, nvp_target_event, 1);
4396 return e;
4397 }
4398 target_handle_event(target, n->value);
4399 return JIM_OK;
4400 }
4401 return JIM_ERR;
4402
4403 err_tap_disabled:
4404 Jim_SetResult_sprintf(interp, "[TAP is disabled]");
4405 return JIM_ERR;
4406 }
4407
4408 static int target_create(Jim_GetOptInfo *goi)
4409 {
4410 Jim_Obj *new_cmd;
4411 Jim_Cmd *cmd;
4412 const char *cp;
4413 char *cp2;
4414 int e;
4415 int x;
4416 target_t *target;
4417 struct command_context_s *cmd_ctx;
4418
4419 cmd_ctx = Jim_GetAssocData(goi->interp, "context");
4420 if (goi->argc < 3) {
4421 Jim_WrongNumArgs(goi->interp, 1, goi->argv, "?name? ?type? ..options...");
4422 return JIM_ERR;
4423 }
4424
4425 /* COMMAND */
4426 Jim_GetOpt_Obj(goi, &new_cmd);
4427 /* does this command exist? */
4428 cmd = Jim_GetCommand(goi->interp, new_cmd, JIM_ERRMSG);
4429 if (cmd) {
4430 cp = Jim_GetString(new_cmd, NULL);
4431 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
4432 return JIM_ERR;
4433 }
4434
4435 /* TYPE */
4436 e = Jim_GetOpt_String(goi, &cp2, NULL);
4437 cp = cp2;
4438 /* now does target type exist */
4439 for (x = 0 ; target_types[x] ; x++) {
4440 if (0 == strcmp(cp, target_types[x]->name)) {
4441 /* found */
4442 break;
4443 }
4444 }
4445 if (target_types[x] == NULL) {
4446 Jim_SetResult_sprintf(goi->interp, "Unknown target type %s, try one of ", cp);
4447 for (x = 0 ; target_types[x] ; x++) {
4448 if (target_types[x + 1]) {
4449 Jim_AppendStrings(goi->interp,
4450 Jim_GetResult(goi->interp),
4451 target_types[x]->name,
4452 ", ", NULL);
4453 } else {
4454 Jim_AppendStrings(goi->interp,
4455 Jim_GetResult(goi->interp),
4456 " or ",
4457 target_types[x]->name,NULL);
4458 }
4459 }
4460 return JIM_ERR;
4461 }
4462
4463 /* Create it */
4464 target = calloc(1,sizeof(target_t));
4465 /* set target number */
4466 target->target_number = new_target_number();
4467
4468 /* allocate memory for each unique target type */
4469 target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
4470
4471 memcpy(target->type, target_types[x], sizeof(target_type_t));
4472
4473 /* will be set by "-endian" */
4474 target->endianness = TARGET_ENDIAN_UNKNOWN;
4475
4476 target->working_area = 0x0;
4477 target->working_area_size = 0x0;
4478 target->working_areas = NULL;
4479 target->backup_working_area = 0;
4480
4481 target->state = TARGET_UNKNOWN;
4482 target->debug_reason = DBG_REASON_UNDEFINED;
4483 target->reg_cache = NULL;
4484 target->breakpoints = NULL;
4485 target->watchpoints = NULL;
4486 target->next = NULL;
4487 target->arch_info = NULL;
4488
4489 target->display = 1;
4490
4491 target->halt_issued = false;
4492
4493 /* initialize trace information */
4494 target->trace_info = malloc(sizeof(trace_t));
4495 target->trace_info->num_trace_points = 0;
4496 target->trace_info->trace_points_size = 0;
4497 target->trace_info->trace_points = NULL;
4498 target->trace_info->trace_history_size = 0;
4499 target->trace_info->trace_history = NULL;
4500 target->trace_info->trace_history_pos = 0;
4501 target->trace_info->trace_history_overflowed = 0;
4502
4503 target->dbgmsg = NULL;
4504 target->dbg_msg_enabled = 0;
4505
4506 target->endianness = TARGET_ENDIAN_UNKNOWN;
4507
4508 /* Do the rest as "configure" options */
4509 goi->isconfigure = 1;
4510 e = target_configure(goi, target);
4511
4512 if (target->tap == NULL)
4513 {
4514 Jim_SetResultString(interp, "-chain-position required when creating target", -1);
4515 e = JIM_ERR;
4516 }
4517
4518 if (e != JIM_OK) {
4519 free(target->type);
4520 free(target);
4521 return e;
4522 }
4523
4524 if (target->endianness == TARGET_ENDIAN_UNKNOWN) {
4525 /* default endian to little if not specified */
4526 target->endianness = TARGET_LITTLE_ENDIAN;
4527 }
4528
4529 /* incase variant is not set */
4530 if (!target->variant)
4531 target->variant = strdup("");
4532
4533 /* create the target specific commands */
4534 if (target->type->register_commands) {
4535 (*(target->type->register_commands))(cmd_ctx);
4536 }
4537 if (target->type->target_create) {
4538 (*(target->type->target_create))(target, goi->interp);
4539 }
4540
4541 /* append to end of list */
4542 {
4543 target_t **tpp;
4544 tpp = &(all_targets);
4545 while (*tpp) {
4546 tpp = &((*tpp)->next);
4547 }
4548 *tpp = target;
4549 }
4550
4551 cp = Jim_GetString(new_cmd, NULL);
4552 target->cmd_name = strdup(cp);
4553
4554 /* now - create the new target name command */
4555 e = Jim_CreateCommand(goi->interp,
4556 /* name */
4557 cp,
4558 tcl_target_func, /* C function */
4559 target, /* private data */
4560 NULL); /* no del proc */
4561
4562 return e;
4563 }
4564
4565 static int jim_target(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4566 {
4567 int x,r,e;
4568 jim_wide w;
4569 struct command_context_s *cmd_ctx;
4570 target_t *target;
4571 Jim_GetOptInfo goi;
4572 enum tcmd {
4573 /* TG = target generic */
4574 TG_CMD_CREATE,
4575 TG_CMD_TYPES,
4576 TG_CMD_NAMES,
4577 TG_CMD_CURRENT,
4578 TG_CMD_NUMBER,
4579 TG_CMD_COUNT,
4580 };
4581 const char *target_cmds[] = {
4582 "create", "types", "names", "current", "number",
4583 "count",
4584 NULL /* terminate */
4585 };
4586
4587 LOG_DEBUG("Target command params:");
4588 LOG_DEBUG("%s", Jim_Debug_ArgvString(interp, argc, argv));
4589
4590 cmd_ctx = Jim_GetAssocData(interp, "context");
4591
4592 Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
4593
4594 if (goi.argc == 0) {
4595 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
4596 return JIM_ERR;
4597 }
4598
4599 /* Jim_GetOpt_Debug(&goi); */
4600 r = Jim_GetOpt_Enum(&goi, target_cmds, &x);
4601 if (r != JIM_OK) {
4602 return r;
4603 }
4604
4605 switch (x) {
4606 default:
4607 Jim_Panic(goi.interp,"Why am I here?");
4608 return JIM_ERR;
4609 case TG_CMD_CURRENT:
4610 if (goi.argc != 0) {
4611 Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4612 return JIM_ERR;
4613 }
4614 Jim_SetResultString(goi.interp, get_current_target(cmd_ctx)->cmd_name, -1);
4615 return JIM_OK;
4616 case TG_CMD_TYPES:
4617 if (goi.argc != 0) {
4618 Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4619 return JIM_ERR;
4620 }
4621 Jim_SetResult(goi.interp, Jim_NewListObj(goi.interp, NULL, 0));
4622 for (x = 0 ; target_types[x] ; x++) {
4623 Jim_ListAppendElement(goi.interp,
4624 Jim_GetResult(goi.interp),
4625 Jim_NewStringObj(goi.interp, target_types[x]->name, -1));
4626 }
4627 return JIM_OK;
4628 case TG_CMD_NAMES:
4629 if (goi.argc != 0) {
4630 Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4631 return JIM_ERR;
4632 }
4633 Jim_SetResult(goi.interp, Jim_NewListObj(goi.interp, NULL, 0));
4634 target = all_targets;
4635 while (target) {
4636 Jim_ListAppendElement(goi.interp,
4637 Jim_GetResult(goi.interp),
4638 Jim_NewStringObj(goi.interp, target->cmd_name, -1));
4639 target = target->next;
4640 }
4641 return JIM_OK;
4642 case TG_CMD_CREATE:
4643 if (goi.argc < 3) {
4644 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv, "?name ... config options ...");
4645 return JIM_ERR;
4646 }
4647 return target_create(&goi);
4648 break;
4649 case TG_CMD_NUMBER:
4650 /* It's OK to remove this mechanism sometime after August 2010 or so */
4651 LOG_WARNING("don't use numbers as target identifiers; use names");
4652 if (goi.argc != 1) {
4653 Jim_SetResult_sprintf(goi.interp, "expected: target number ?NUMBER?");
4654 return JIM_ERR;
4655 }
4656 e = Jim_GetOpt_Wide(&goi, &w);
4657 if (e != JIM_OK) {
4658 return JIM_ERR;
4659 }
4660 for (x = 0, target = all_targets; target; target = target->next, x++) {
4661 if (target->target_number == w)
4662 break;
4663 }
4664 if (target == NULL) {
4665 Jim_SetResult_sprintf(goi.interp,
4666 "Target: number %d does not exist", (int)(w));
4667 return JIM_ERR;
4668 }
4669 Jim_SetResultString(goi.interp, target->cmd_name, -1);
4670 return JIM_OK;
4671 case TG_CMD_COUNT:
4672 if (goi.argc != 0) {
4673 Jim_WrongNumArgs(goi.interp, 0, goi.argv, "<no parameters>");
4674 return JIM_ERR;
4675 }
4676 for (x = 0, target = all_targets; target; target = target->next, x++)
4677 continue;
4678 Jim_SetResult(goi.interp, Jim_NewIntObj(goi.interp, x));
4679 return JIM_OK;
4680 }
4681
4682 return JIM_ERR;
4683 }
4684
4685
4686 struct FastLoad
4687 {
4688 uint32_t address;
4689 uint8_t *data;
4690 int length;
4691
4692 };
4693
4694 static int fastload_num;
4695 static struct FastLoad *fastload;
4696
4697 static void free_fastload(void)
4698 {
4699 if (fastload != NULL)
4700 {
4701 int i;
4702 for (i = 0; i < fastload_num; i++)
4703 {
4704 if (fastload[i].data)
4705 free(fastload[i].data);
4706 }
4707 free(fastload);
4708 fastload = NULL;
4709 }
4710 }
4711
4712
4713
4714
4715 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4716 {
4717 uint8_t *buffer;
4718 uint32_t buf_cnt;
4719 uint32_t image_size;
4720 uint32_t min_address = 0;
4721 uint32_t max_address = 0xffffffff;
4722 int i;
4723
4724 image_t image;
4725
4726 duration_t duration;
4727 char *duration_text;
4728
4729 int retval = parse_load_image_command_args(args, argc,
4730 &image, &min_address, &max_address);
4731 if (ERROR_OK != retval)
4732 return retval;
4733
4734 duration_start_measure(&duration);
4735
4736 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
4737 {
4738 return ERROR_OK;
4739 }
4740
4741 image_size = 0x0;
4742 retval = ERROR_OK;
4743 fastload_num = image.num_sections;
4744 fastload = (struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
4745 if (fastload == NULL)
4746 {
4747 image_close(&image);
4748 return ERROR_FAIL;
4749 }
4750 memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
4751 for (i = 0; i < image.num_sections; i++)
4752 {
4753 buffer = malloc(image.sections[i].size);
4754 if (buffer == NULL)
4755 {
4756 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)",
4757 (int)(image.sections[i].size));
4758 break;
4759 }
4760
4761 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
4762 {
4763 free(buffer);
4764 break;
4765 }
4766
4767 uint32_t offset = 0;
4768 uint32_t length = buf_cnt;
4769
4770
4771 /* DANGER!!! beware of unsigned comparision here!!! */
4772
4773 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
4774 (image.sections[i].base_address < max_address))
4775 {
4776 if (image.sections[i].base_address < min_address)
4777 {
4778 /* clip addresses below */
4779 offset += min_address-image.sections[i].base_address;
4780 length -= offset;
4781 }
4782
4783 if (image.sections[i].base_address + buf_cnt > max_address)
4784 {
4785 length -= (image.sections[i].base_address + buf_cnt)-max_address;
4786 }
4787
4788 fastload[i].address = image.sections[i].base_address + offset;
4789 fastload[i].data = malloc(length);
4790 if (fastload[i].data == NULL)
4791 {
4792 free(buffer);
4793 break;
4794 }
4795 memcpy(fastload[i].data, buffer + offset, length);
4796 fastload[i].length = length;
4797
4798 image_size += length;
4799 command_print(cmd_ctx, "%u bytes written at address 0x%8.8x",
4800 (unsigned int)length,
4801 ((unsigned int)(image.sections[i].base_address + offset)));
4802 }
4803
4804 free(buffer);
4805 }
4806
4807 duration_stop_measure(&duration, &duration_text);
4808 if (retval == ERROR_OK)
4809 {
4810 command_print(cmd_ctx, "Loaded %u bytes in %s", (unsigned int)image_size, duration_text);
4811 command_print(cmd_ctx, "NB!!! image has not been loaded to target, issue a subsequent 'fast_load' to do so.");
4812 }
4813 free(duration_text);
4814
4815 image_close(&image);
4816
4817 if (retval != ERROR_OK)
4818 {
4819 free_fastload();
4820 }
4821
4822 return retval;
4823 }
4824
4825 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4826 {
4827 if (argc > 0)
4828 return ERROR_COMMAND_SYNTAX_ERROR;
4829 if (fastload == NULL)
4830 {
4831 LOG_ERROR("No image in memory");
4832 return ERROR_FAIL;
4833 }
4834 int i;
4835 int ms = timeval_ms();
4836 int size = 0;
4837 int retval = ERROR_OK;
4838 for (i = 0; i < fastload_num;i++)
4839 {
4840 target_t *target = get_current_target(cmd_ctx);
4841 command_print(cmd_ctx, "Write to 0x%08x, length 0x%08x",
4842 (unsigned int)(fastload[i].address),
4843 (unsigned int)(fastload[i].length));
4844 if (retval == ERROR_OK)
4845 {
4846 retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
4847 }
4848 size += fastload[i].length;
4849 }
4850 int after = timeval_ms();
4851 command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
4852 return retval;
4853 }
4854
4855 static int jim_mcrmrc(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4856 {
4857 command_context_t *context;
4858 target_t *target;
4859 int retval;
4860
4861 context = Jim_GetAssocData(interp, "context");
4862 if (context == NULL) {
4863 LOG_ERROR("array2mem: no command context");
4864 return JIM_ERR;
4865 }
4866 target = get_current_target(context);
4867 if (target == NULL) {
4868 LOG_ERROR("array2mem: no current target");
4869 return JIM_ERR;
4870 }
4871
4872 if ((argc < 6) || (argc > 7))
4873 {
4874 return JIM_ERR;
4875 }
4876
4877 int cpnum;
4878 uint32_t op1;
4879 uint32_t op2;
4880 uint32_t CRn;
4881 uint32_t CRm;
4882 uint32_t value;
4883
4884 int e;
4885 long l;
4886 e = Jim_GetLong(interp, argv[1], &l);
4887 if (e != JIM_OK) {
4888 return e;
4889 }
4890 cpnum = l;
4891
4892 e = Jim_GetLong(interp, argv[2], &l);
4893 if (e != JIM_OK) {
4894 return e;
4895 }
4896 op1 = l;
4897
4898 e = Jim_GetLong(interp, argv[3], &l);
4899 if (e != JIM_OK) {
4900 return e;
4901 }
4902 op2 = l;
4903
4904 e = Jim_GetLong(interp, argv[4], &l);
4905 if (e != JIM_OK) {
4906 return e;
4907 }
4908 CRn = l;
4909
4910 e = Jim_GetLong(interp, argv[5], &l);
4911 if (e != JIM_OK) {
4912 return e;
4913 }
4914 CRm = l;
4915
4916 value = 0;
4917
4918 if (argc == 7)
4919 {
4920 e = Jim_GetLong(interp, argv[6], &l);
4921 if (e != JIM_OK) {
4922 return e;
4923 }
4924 value = l;
4925
4926 retval = target_mcr(target, cpnum, op1, op2, CRn, CRm, value);
4927 if (retval != ERROR_OK)
4928 return JIM_ERR;
4929 } else
4930 {
4931 retval = target_mrc(target, cpnum, op1, op2, CRn, CRm, &value);
4932 if (retval != ERROR_OK)
4933 return JIM_ERR;
4934
4935 Jim_SetResult(interp, Jim_NewIntObj(interp, value));
4936 }
4937
4938 return JIM_OK;
4939 }
Generic flash access through boundary scans