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target: require working area for physical/virtual addresses to be specified
[openocd/genbsdl.git] / src / target / target.c
blob9289d37b825a75df2c35ae4d3c45f88c6033e5c1
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 *enabled = 0;
500 return ERROR_OK;
501 }
502
503 static int default_examine(struct target_s *target)
504 {
505 target_set_examined(target);
506 return ERROR_OK;
507 }
508
509 int target_examine_one(struct target_s *target)
510 {
511 return target->type->examine(target);
512 }
513
514 static int jtag_enable_callback(enum jtag_event event, void *priv)
515 {
516 target_t *target = priv;
517
518 if (event != JTAG_TAP_EVENT_ENABLE || !target->tap->enabled)
519 return ERROR_OK;
520
521 jtag_unregister_event_callback(jtag_enable_callback, target);
522 return target_examine_one(target);
523 }
524
525
526 /* Targets that correctly implement init + examine, i.e.
527 * no communication with target during init:
528 *
529 * XScale
530 */
531 int target_examine(void)
532 {
533 int retval = ERROR_OK;
534 target_t *target;
535
536 for (target = all_targets; target; target = target->next)
537 {
538 /* defer examination, but don't skip it */
539 if (!target->tap->enabled) {
540 jtag_register_event_callback(jtag_enable_callback,
541 target);
542 continue;
543 }
544 if ((retval = target_examine_one(target)) != ERROR_OK)
545 return retval;
546 }
547 return retval;
548 }
549 const char *target_get_name(struct target_s *target)
550 {
551 return target->type->name;
552 }
553
554 static int target_write_memory_imp(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
555 {
556 if (!target_was_examined(target))
557 {
558 LOG_ERROR("Target not examined yet");
559 return ERROR_FAIL;
560 }
561 return target->type->write_memory_imp(target, address, size, count, buffer);
562 }
563
564 static int target_read_memory_imp(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
565 {
566 if (!target_was_examined(target))
567 {
568 LOG_ERROR("Target not examined yet");
569 return ERROR_FAIL;
570 }
571 return target->type->read_memory_imp(target, address, size, count, buffer);
572 }
573
574 static int target_soft_reset_halt_imp(struct target_s *target)
575 {
576 if (!target_was_examined(target))
577 {
578 LOG_ERROR("Target not examined yet");
579 return ERROR_FAIL;
580 }
581 if (!target->type->soft_reset_halt_imp) {
582 LOG_ERROR("Target %s does not support soft_reset_halt",
583 target->cmd_name);
584 return ERROR_FAIL;
585 }
586 return target->type->soft_reset_halt_imp(target);
587 }
588
589 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)
590 {
591 if (!target_was_examined(target))
592 {
593 LOG_ERROR("Target not examined yet");
594 return ERROR_FAIL;
595 }
596 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);
597 }
598
599 int target_read_memory(struct target_s *target,
600 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
601 {
602 return target->type->read_memory(target, address, size, count, buffer);
603 }
604
605 int target_read_phys_memory(struct target_s *target,
606 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
607 {
608 return target->type->read_phys_memory(target, address, size, count, buffer);
609 }
610
611 int target_write_memory(struct target_s *target,
612 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
613 {
614 return target->type->write_memory(target, address, size, count, buffer);
615 }
616
617 int target_write_phys_memory(struct target_s *target,
618 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
619 {
620 return target->type->write_phys_memory(target, address, size, count, buffer);
621 }
622
623 int target_bulk_write_memory(struct target_s *target,
624 uint32_t address, uint32_t count, uint8_t *buffer)
625 {
626 return target->type->bulk_write_memory(target, address, count, buffer);
627 }
628
629 int target_add_breakpoint(struct target_s *target,
630 struct breakpoint_s *breakpoint)
631 {
632 return target->type->add_breakpoint(target, breakpoint);
633 }
634 int target_remove_breakpoint(struct target_s *target,
635 struct breakpoint_s *breakpoint)
636 {
637 return target->type->remove_breakpoint(target, breakpoint);
638 }
639
640 int target_add_watchpoint(struct target_s *target,
641 struct watchpoint_s *watchpoint)
642 {
643 return target->type->add_watchpoint(target, watchpoint);
644 }
645 int target_remove_watchpoint(struct target_s *target,
646 struct watchpoint_s *watchpoint)
647 {
648 return target->type->remove_watchpoint(target, watchpoint);
649 }
650
651 int target_get_gdb_reg_list(struct target_s *target,
652 struct reg_s **reg_list[], int *reg_list_size)
653 {
654 return target->type->get_gdb_reg_list(target, reg_list, reg_list_size);
655 }
656 int target_step(struct target_s *target,
657 int current, uint32_t address, int handle_breakpoints)
658 {
659 return target->type->step(target, current, address, handle_breakpoints);
660 }
661
662
663 int target_run_algorithm(struct target_s *target,
664 int num_mem_params, mem_param_t *mem_params,
665 int num_reg_params, reg_param_t *reg_param,
666 uint32_t entry_point, uint32_t exit_point,
667 int timeout_ms, void *arch_info)
668 {
669 return target->type->run_algorithm(target,
670 num_mem_params, mem_params, num_reg_params, reg_param,
671 entry_point, exit_point, timeout_ms, arch_info);
672 }
673
674 /// @returns @c true if the target has been examined.
675 bool target_was_examined(struct target_s *target)
676 {
677 return target->type->examined;
678 }
679 /// Sets the @c examined flag for the given target.
680 void target_set_examined(struct target_s *target)
681 {
682 target->type->examined = true;
683 }
684 // Reset the @c examined flag for the given target.
685 void target_reset_examined(struct target_s *target)
686 {
687 target->type->examined = false;
688 }
689
690
691
692 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)
693 {
694 LOG_ERROR("Not implemented");
695 return ERROR_FAIL;
696 }
697
698 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)
699 {
700 LOG_ERROR("Not implemented");
701 return ERROR_FAIL;
702 }
703
704 static int arm_cp_check(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm)
705 {
706 /* basic check */
707 if (!target_was_examined(target))
708 {
709 LOG_ERROR("Target not examined yet");
710 return ERROR_FAIL;
711 }
712
713 if ((cpnum <0) || (cpnum > 15))
714 {
715 LOG_ERROR("Illegal co-processor %d", cpnum);
716 return ERROR_FAIL;
717 }
718
719 return ERROR_OK;
720 }
721
722 int target_mrc(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t *value)
723 {
724 int retval;
725
726 retval = arm_cp_check(target, cpnum, op1, op2, CRn, CRm);
727 if (retval != ERROR_OK)
728 return retval;
729
730 return target->type->mrc(target, cpnum, op1, op2, CRn, CRm, value);
731 }
732
733 int target_mcr(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t value)
734 {
735 int retval;
736
737 retval = arm_cp_check(target, cpnum, op1, op2, CRn, CRm);
738 if (retval != ERROR_OK)
739 return retval;
740
741 return target->type->mcr(target, cpnum, op1, op2, CRn, CRm, value);
742 }
743
744
745 int target_init(struct command_context_s *cmd_ctx)
746 {
747 target_t *target = all_targets;
748 int retval;
749
750 while (target)
751 {
752 target_reset_examined(target);
753 if (target->type->examine == NULL)
754 {
755 target->type->examine = default_examine;
756 }
757
758 if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
759 {
760 LOG_ERROR("target '%s' init failed", target_get_name(target));
761 return retval;
762 }
763
764 /* Set up default functions if none are provided by target */
765 if (target->type->virt2phys == NULL)
766 {
767 target->type->virt2phys = default_virt2phys;
768 }
769
770 if (target->type->read_phys_memory == NULL)
771 {
772 target->type->read_phys_memory = target->type->read_memory;
773 }
774
775 if (target->type->write_phys_memory == NULL)
776 {
777 target->type->write_phys_memory = target->type->write_memory;
778 }
779
780 if (target->type->mcr == NULL)
781 {
782 target->type->mcr = default_mcr;
783 }
784
785 if (target->type->mrc == NULL)
786 {
787 target->type->mrc = default_mrc;
788 }
789
790
791 /* a non-invasive way(in terms of patches) to add some code that
792 * runs before the type->write/read_memory implementation
793 */
794 target->type->write_memory_imp = target->type->write_memory;
795 target->type->write_memory = target_write_memory_imp;
796 target->type->read_memory_imp = target->type->read_memory;
797 target->type->read_memory = target_read_memory_imp;
798 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
799 target->type->soft_reset_halt = target_soft_reset_halt_imp;
800 target->type->run_algorithm_imp = target->type->run_algorithm;
801 target->type->run_algorithm = target_run_algorithm_imp;
802
803 if (target->type->mmu == NULL)
804 {
805 target->type->mmu = default_mmu;
806 }
807 target = target->next;
808 }
809
810 if (all_targets)
811 {
812 if ((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
813 return retval;
814 if ((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
815 return retval;
816 }
817
818 return ERROR_OK;
819 }
820
821 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
822 {
823 target_event_callback_t **callbacks_p = &target_event_callbacks;
824
825 if (callback == NULL)
826 {
827 return ERROR_INVALID_ARGUMENTS;
828 }
829
830 if (*callbacks_p)
831 {
832 while ((*callbacks_p)->next)
833 callbacks_p = &((*callbacks_p)->next);
834 callbacks_p = &((*callbacks_p)->next);
835 }
836
837 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
838 (*callbacks_p)->callback = callback;
839 (*callbacks_p)->priv = priv;
840 (*callbacks_p)->next = NULL;
841
842 return ERROR_OK;
843 }
844
845 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
846 {
847 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
848 struct timeval now;
849
850 if (callback == NULL)
851 {
852 return ERROR_INVALID_ARGUMENTS;
853 }
854
855 if (*callbacks_p)
856 {
857 while ((*callbacks_p)->next)
858 callbacks_p = &((*callbacks_p)->next);
859 callbacks_p = &((*callbacks_p)->next);
860 }
861
862 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
863 (*callbacks_p)->callback = callback;
864 (*callbacks_p)->periodic = periodic;
865 (*callbacks_p)->time_ms = time_ms;
866
867 gettimeofday(&now, NULL);
868 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
869 time_ms -= (time_ms % 1000);
870 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
871 if ((*callbacks_p)->when.tv_usec > 1000000)
872 {
873 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
874 (*callbacks_p)->when.tv_sec += 1;
875 }
876
877 (*callbacks_p)->priv = priv;
878 (*callbacks_p)->next = NULL;
879
880 return ERROR_OK;
881 }
882
883 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
884 {
885 target_event_callback_t **p = &target_event_callbacks;
886 target_event_callback_t *c = target_event_callbacks;
887
888 if (callback == NULL)
889 {
890 return ERROR_INVALID_ARGUMENTS;
891 }
892
893 while (c)
894 {
895 target_event_callback_t *next = c->next;
896 if ((c->callback == callback) && (c->priv == priv))
897 {
898 *p = next;
899 free(c);
900 return ERROR_OK;
901 }
902 else
903 p = &(c->next);
904 c = next;
905 }
906
907 return ERROR_OK;
908 }
909
910 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
911 {
912 target_timer_callback_t **p = &target_timer_callbacks;
913 target_timer_callback_t *c = target_timer_callbacks;
914
915 if (callback == NULL)
916 {
917 return ERROR_INVALID_ARGUMENTS;
918 }
919
920 while (c)
921 {
922 target_timer_callback_t *next = c->next;
923 if ((c->callback == callback) && (c->priv == priv))
924 {
925 *p = next;
926 free(c);
927 return ERROR_OK;
928 }
929 else
930 p = &(c->next);
931 c = next;
932 }
933
934 return ERROR_OK;
935 }
936
937 int target_call_event_callbacks(target_t *target, enum target_event event)
938 {
939 target_event_callback_t *callback = target_event_callbacks;
940 target_event_callback_t *next_callback;
941
942 if (event == TARGET_EVENT_HALTED)
943 {
944 /* execute early halted first */
945 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
946 }
947
948 LOG_DEBUG("target event %i (%s)",
949 event,
950 Jim_Nvp_value2name_simple(nvp_target_event, event)->name);
951
952 target_handle_event(target, event);
953
954 while (callback)
955 {
956 next_callback = callback->next;
957 callback->callback(target, event, callback->priv);
958 callback = next_callback;
959 }
960
961 return ERROR_OK;
962 }
963
964 static int target_timer_callback_periodic_restart(
965 target_timer_callback_t *cb, struct timeval *now)
966 {
967 int time_ms = cb->time_ms;
968 cb->when.tv_usec = now->tv_usec + (time_ms % 1000) * 1000;
969 time_ms -= (time_ms % 1000);
970 cb->when.tv_sec = now->tv_sec + time_ms / 1000;
971 if (cb->when.tv_usec > 1000000)
972 {
973 cb->when.tv_usec = cb->when.tv_usec - 1000000;
974 cb->when.tv_sec += 1;
975 }
976 return ERROR_OK;
977 }
978
979 static int target_call_timer_callback(target_timer_callback_t *cb,
980 struct timeval *now)
981 {
982 cb->callback(cb->priv);
983
984 if (cb->periodic)
985 return target_timer_callback_periodic_restart(cb, now);
986
987 return target_unregister_timer_callback(cb->callback, cb->priv);
988 }
989
990 static int target_call_timer_callbacks_check_time(int checktime)
991 {
992 keep_alive();
993
994 struct timeval now;
995 gettimeofday(&now, NULL);
996
997 target_timer_callback_t *callback = target_timer_callbacks;
998 while (callback)
999 {
1000 // cleaning up may unregister and free this callback
1001 target_timer_callback_t *next_callback = callback->next;
1002
1003 bool call_it = callback->callback &&
1004 ((!checktime && callback->periodic) ||
1005 now.tv_sec > callback->when.tv_sec ||
1006 (now.tv_sec == callback->when.tv_sec &&
1007 now.tv_usec >= callback->when.tv_usec));
1008
1009 if (call_it)
1010 {
1011 int retval = target_call_timer_callback(callback, &now);
1012 if (retval != ERROR_OK)
1013 return retval;
1014 }
1015
1016 callback = next_callback;
1017 }
1018
1019 return ERROR_OK;
1020 }
1021
1022 int target_call_timer_callbacks(void)
1023 {
1024 return target_call_timer_callbacks_check_time(1);
1025 }
1026
1027 /* invoke periodic callbacks immediately */
1028 int target_call_timer_callbacks_now(void)
1029 {
1030 return target_call_timer_callbacks_check_time(0);
1031 }
1032
1033 int target_alloc_working_area(struct target_s *target, uint32_t size, working_area_t **area)
1034 {
1035 working_area_t *c = target->working_areas;
1036 working_area_t *new_wa = NULL;
1037
1038 /* Reevaluate working area address based on MMU state*/
1039 if (target->working_areas == NULL)
1040 {
1041 int retval;
1042 int enabled;
1043 retval = target->type->mmu(target, &enabled);
1044 if (retval != ERROR_OK)
1045 {
1046 return retval;
1047 }
1048
1049 if (enabled)
1050 {
1051 if (target->working_area_phys_spec)
1052 {
1053 LOG_DEBUG("MMU disabled, using physical address for working memory 0x%08x", (unsigned)target->working_area_phys);
1054 target->working_area = target->working_area_phys;
1055 } else
1056 {
1057 LOG_ERROR("No working memory available. Specify -work-area-phys to target.");
1058 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1059 }
1060 } else
1061 {
1062 if (target->working_area_virt_spec)
1063 {
1064 LOG_DEBUG("MMU enabled, using virtual address for working memory 0x%08x", (unsigned)target->working_area_virt);
1065 target->working_area = target->working_area_virt;
1066 } else
1067 {
1068 LOG_ERROR("No working memory available. Specify -work-area-virt to target.");
1069 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1070 }
1071 }
1072 }
1073
1074 /* only allocate multiples of 4 byte */
1075 if (size % 4)
1076 {
1077 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes (0x%08x), padding", ((unsigned)(size)));
1078 size = (size + 3) & (~3);
1079 }
1080
1081 /* see if there's already a matching working area */
1082 while (c)
1083 {
1084 if ((c->free) && (c->size == size))
1085 {
1086 new_wa = c;
1087 break;
1088 }
1089 c = c->next;
1090 }
1091
1092 /* if not, allocate a new one */
1093 if (!new_wa)
1094 {
1095 working_area_t **p = &target->working_areas;
1096 uint32_t first_free = target->working_area;
1097 uint32_t free_size = target->working_area_size;
1098
1099 c = target->working_areas;
1100 while (c)
1101 {
1102 first_free += c->size;
1103 free_size -= c->size;
1104 p = &c->next;
1105 c = c->next;
1106 }
1107
1108 if (free_size < size)
1109 {
1110 LOG_WARNING("not enough working area available(requested %u, free %u)",
1111 (unsigned)(size), (unsigned)(free_size));
1112 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1113 }
1114
1115 LOG_DEBUG("allocated new working area at address 0x%08x", (unsigned)first_free);
1116
1117 new_wa = malloc(sizeof(working_area_t));
1118 new_wa->next = NULL;
1119 new_wa->size = size;
1120 new_wa->address = first_free;
1121
1122 if (target->backup_working_area)
1123 {
1124 int retval;
1125 new_wa->backup = malloc(new_wa->size);
1126 if ((retval = target_read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
1127 {
1128 free(new_wa->backup);
1129 free(new_wa);
1130 return retval;
1131 }
1132 }
1133 else
1134 {
1135 new_wa->backup = NULL;
1136 }
1137
1138 /* put new entry in list */
1139 *p = new_wa;
1140 }
1141
1142 /* mark as used, and return the new (reused) area */
1143 new_wa->free = 0;
1144 *area = new_wa;
1145
1146 /* user pointer */
1147 new_wa->user = area;
1148
1149 return ERROR_OK;
1150 }
1151
1152 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
1153 {
1154 if (area->free)
1155 return ERROR_OK;
1156
1157 if (restore && target->backup_working_area)
1158 {
1159 int retval;
1160 if ((retval = target_write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
1161 return retval;
1162 }
1163
1164 area->free = 1;
1165
1166 /* mark user pointer invalid */
1167 *area->user = NULL;
1168 area->user = NULL;
1169
1170 return ERROR_OK;
1171 }
1172
1173 int target_free_working_area(struct target_s *target, working_area_t *area)
1174 {
1175 return target_free_working_area_restore(target, area, 1);
1176 }
1177
1178 /* free resources and restore memory, if restoring memory fails,
1179 * free up resources anyway
1180 */
1181 void target_free_all_working_areas_restore(struct target_s *target, int restore)
1182 {
1183 working_area_t *c = target->working_areas;
1184
1185 while (c)
1186 {
1187 working_area_t *next = c->next;
1188 target_free_working_area_restore(target, c, restore);
1189
1190 if (c->backup)
1191 free(c->backup);
1192
1193 free(c);
1194
1195 c = next;
1196 }
1197
1198 target->working_areas = NULL;
1199 }
1200
1201 void target_free_all_working_areas(struct target_s *target)
1202 {
1203 target_free_all_working_areas_restore(target, 1);
1204 }
1205
1206 int target_register_commands(struct command_context_s *cmd_ctx)
1207 {
1208
1209 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)");
1210
1211
1212
1213
1214 register_jim(cmd_ctx, "target", jim_target, "configure target");
1215
1216 return ERROR_OK;
1217 }
1218
1219 int target_arch_state(struct target_s *target)
1220 {
1221 int retval;
1222 if (target == NULL)
1223 {
1224 LOG_USER("No target has been configured");
1225 return ERROR_OK;
1226 }
1227
1228 LOG_USER("target state: %s", target_state_name( target ));
1229
1230 if (target->state != TARGET_HALTED)
1231 return ERROR_OK;
1232
1233 retval = target->type->arch_state(target);
1234 return retval;
1235 }
1236
1237 /* Single aligned words are guaranteed to use 16 or 32 bit access
1238 * mode respectively, otherwise data is handled as quickly as
1239 * possible
1240 */
1241 int target_write_buffer(struct target_s *target, uint32_t address, uint32_t size, uint8_t *buffer)
1242 {
1243 int retval;
1244 LOG_DEBUG("writing buffer of %i byte at 0x%8.8x",
1245 (int)size, (unsigned)address);
1246
1247 if (!target_was_examined(target))
1248 {
1249 LOG_ERROR("Target not examined yet");
1250 return ERROR_FAIL;
1251 }
1252
1253 if (size == 0) {
1254 return ERROR_OK;
1255 }
1256
1257 if ((address + size - 1) < address)
1258 {
1259 /* GDB can request this when e.g. PC is 0xfffffffc*/
1260 LOG_ERROR("address + size wrapped(0x%08x, 0x%08x)",
1261 (unsigned)address,
1262 (unsigned)size);
1263 return ERROR_FAIL;
1264 }
1265
1266 if (((address % 2) == 0) && (size == 2))
1267 {
1268 return target_write_memory(target, address, 2, 1, buffer);
1269 }
1270
1271 /* handle unaligned head bytes */
1272 if (address % 4)
1273 {
1274 uint32_t unaligned = 4 - (address % 4);
1275
1276 if (unaligned > size)
1277 unaligned = size;
1278
1279 if ((retval = target_write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1280 return retval;
1281
1282 buffer += unaligned;
1283 address += unaligned;
1284 size -= unaligned;
1285 }
1286
1287 /* handle aligned words */
1288 if (size >= 4)
1289 {
1290 int aligned = size - (size % 4);
1291
1292 /* use bulk writes above a certain limit. This may have to be changed */
1293 if (aligned > 128)
1294 {
1295 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1296 return retval;
1297 }
1298 else
1299 {
1300 if ((retval = target_write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1301 return retval;
1302 }
1303
1304 buffer += aligned;
1305 address += aligned;
1306 size -= aligned;
1307 }
1308
1309 /* handle tail writes of less than 4 bytes */
1310 if (size > 0)
1311 {
1312 if ((retval = target_write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1313 return retval;
1314 }
1315
1316 return ERROR_OK;
1317 }
1318
1319 /* Single aligned words are guaranteed to use 16 or 32 bit access
1320 * mode respectively, otherwise data is handled as quickly as
1321 * possible
1322 */
1323 int target_read_buffer(struct target_s *target, uint32_t address, uint32_t size, uint8_t *buffer)
1324 {
1325 int retval;
1326 LOG_DEBUG("reading buffer of %i byte at 0x%8.8x",
1327 (int)size, (unsigned)address);
1328
1329 if (!target_was_examined(target))
1330 {
1331 LOG_ERROR("Target not examined yet");
1332 return ERROR_FAIL;
1333 }
1334
1335 if (size == 0) {
1336 return ERROR_OK;
1337 }
1338
1339 if ((address + size - 1) < address)
1340 {
1341 /* GDB can request this when e.g. PC is 0xfffffffc*/
1342 LOG_ERROR("address + size wrapped(0x%08" PRIx32 ", 0x%08" PRIx32 ")",
1343 address,
1344 size);
1345 return ERROR_FAIL;
1346 }
1347
1348 if (((address % 2) == 0) && (size == 2))
1349 {
1350 return target_read_memory(target, address, 2, 1, buffer);
1351 }
1352
1353 /* handle unaligned head bytes */
1354 if (address % 4)
1355 {
1356 uint32_t unaligned = 4 - (address % 4);
1357
1358 if (unaligned > size)
1359 unaligned = size;
1360
1361 if ((retval = target_read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1362 return retval;
1363
1364 buffer += unaligned;
1365 address += unaligned;
1366 size -= unaligned;
1367 }
1368
1369 /* handle aligned words */
1370 if (size >= 4)
1371 {
1372 int aligned = size - (size % 4);
1373
1374 if ((retval = target_read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1375 return retval;
1376
1377 buffer += aligned;
1378 address += aligned;
1379 size -= aligned;
1380 }
1381
1382 /*prevent byte access when possible (avoid AHB access limitations in some cases)*/
1383 if(size >=2)
1384 {
1385 int aligned = size - (size%2);
1386 retval = target_read_memory(target, address, 2, aligned / 2, buffer);
1387 if (retval != ERROR_OK)
1388 return retval;
1389
1390 buffer += aligned;
1391 address += aligned;
1392 size -= aligned;
1393 }
1394 /* handle tail writes of less than 4 bytes */
1395 if (size > 0)
1396 {
1397 if ((retval = target_read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1398 return retval;
1399 }
1400
1401 return ERROR_OK;
1402 }
1403
1404 int target_checksum_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t* crc)
1405 {
1406 uint8_t *buffer;
1407 int retval;
1408 uint32_t i;
1409 uint32_t checksum = 0;
1410 if (!target_was_examined(target))
1411 {
1412 LOG_ERROR("Target not examined yet");
1413 return ERROR_FAIL;
1414 }
1415
1416 if ((retval = target->type->checksum_memory(target, address,
1417 size, &checksum)) != ERROR_OK)
1418 {
1419 buffer = malloc(size);
1420 if (buffer == NULL)
1421 {
1422 LOG_ERROR("error allocating buffer for section (%d bytes)", (int)size);
1423 return ERROR_INVALID_ARGUMENTS;
1424 }
1425 retval = target_read_buffer(target, address, size, buffer);
1426 if (retval != ERROR_OK)
1427 {
1428 free(buffer);
1429 return retval;
1430 }
1431
1432 /* convert to target endianess */
1433 for (i = 0; i < (size/sizeof(uint32_t)); i++)
1434 {
1435 uint32_t target_data;
1436 target_data = target_buffer_get_u32(target, &buffer[i*sizeof(uint32_t)]);
1437 target_buffer_set_u32(target, &buffer[i*sizeof(uint32_t)], target_data);
1438 }
1439
1440 retval = image_calculate_checksum(buffer, size, &checksum);
1441 free(buffer);
1442 }
1443
1444 *crc = checksum;
1445
1446 return retval;
1447 }
1448
1449 int target_blank_check_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t* blank)
1450 {
1451 int retval;
1452 if (!target_was_examined(target))
1453 {
1454 LOG_ERROR("Target not examined yet");
1455 return ERROR_FAIL;
1456 }
1457
1458 if (target->type->blank_check_memory == 0)
1459 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1460
1461 retval = target->type->blank_check_memory(target, address, size, blank);
1462
1463 return retval;
1464 }
1465
1466 int target_read_u32(struct target_s *target, uint32_t address, uint32_t *value)
1467 {
1468 uint8_t value_buf[4];
1469 if (!target_was_examined(target))
1470 {
1471 LOG_ERROR("Target not examined yet");
1472 return ERROR_FAIL;
1473 }
1474
1475 int retval = target_read_memory(target, address, 4, 1, value_buf);
1476
1477 if (retval == ERROR_OK)
1478 {
1479 *value = target_buffer_get_u32(target, value_buf);
1480 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
1481 address,
1482 *value);
1483 }
1484 else
1485 {
1486 *value = 0x0;
1487 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1488 address);
1489 }
1490
1491 return retval;
1492 }
1493
1494 int target_read_u16(struct target_s *target, uint32_t address, uint16_t *value)
1495 {
1496 uint8_t value_buf[2];
1497 if (!target_was_examined(target))
1498 {
1499 LOG_ERROR("Target not examined yet");
1500 return ERROR_FAIL;
1501 }
1502
1503 int retval = target_read_memory(target, address, 2, 1, value_buf);
1504
1505 if (retval == ERROR_OK)
1506 {
1507 *value = target_buffer_get_u16(target, value_buf);
1508 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%4.4x",
1509 address,
1510 *value);
1511 }
1512 else
1513 {
1514 *value = 0x0;
1515 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1516 address);
1517 }
1518
1519 return retval;
1520 }
1521
1522 int target_read_u8(struct target_s *target, uint32_t address, uint8_t *value)
1523 {
1524 int retval = target_read_memory(target, address, 1, 1, value);
1525 if (!target_was_examined(target))
1526 {
1527 LOG_ERROR("Target not examined yet");
1528 return ERROR_FAIL;
1529 }
1530
1531 if (retval == ERROR_OK)
1532 {
1533 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
1534 address,
1535 *value);
1536 }
1537 else
1538 {
1539 *value = 0x0;
1540 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1541 address);
1542 }
1543
1544 return retval;
1545 }
1546
1547 int target_write_u32(struct target_s *target, uint32_t address, uint32_t value)
1548 {
1549 int retval;
1550 uint8_t value_buf[4];
1551 if (!target_was_examined(target))
1552 {
1553 LOG_ERROR("Target not examined yet");
1554 return ERROR_FAIL;
1555 }
1556
1557 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
1558 address,
1559 value);
1560
1561 target_buffer_set_u32(target, value_buf, value);
1562 if ((retval = target_write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1563 {
1564 LOG_DEBUG("failed: %i", retval);
1565 }
1566
1567 return retval;
1568 }
1569
1570 int target_write_u16(struct target_s *target, uint32_t address, uint16_t value)
1571 {
1572 int retval;
1573 uint8_t value_buf[2];
1574 if (!target_was_examined(target))
1575 {
1576 LOG_ERROR("Target not examined yet");
1577 return ERROR_FAIL;
1578 }
1579
1580 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8x",
1581 address,
1582 value);
1583
1584 target_buffer_set_u16(target, value_buf, value);
1585 if ((retval = target_write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1586 {
1587 LOG_DEBUG("failed: %i", retval);
1588 }
1589
1590 return retval;
1591 }
1592
1593 int target_write_u8(struct target_s *target, uint32_t address, uint8_t value)
1594 {
1595 int retval;
1596 if (!target_was_examined(target))
1597 {
1598 LOG_ERROR("Target not examined yet");
1599 return ERROR_FAIL;
1600 }
1601
1602 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
1603 address, value);
1604
1605 if ((retval = target_write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1606 {
1607 LOG_DEBUG("failed: %i", retval);
1608 }
1609
1610 return retval;
1611 }
1612
1613 int target_register_user_commands(struct command_context_s *cmd_ctx)
1614 {
1615 int retval = ERROR_OK;
1616
1617
1618 /* script procedures */
1619 register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "profiling samples the CPU PC");
1620 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>");
1621 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>");
1622
1623 register_jim(cmd_ctx, "mrc", jim_mcrmrc, "read coprocessor <cpnum> <op1> <op2> <CRn> <CRm>");
1624 register_jim(cmd_ctx, "mcr", jim_mcrmrc, "write coprocessor <cpnum> <op1> <op2> <CRn> <CRm> <value>");
1625
1626 register_command(cmd_ctx, NULL, "fast_load_image", handle_fast_load_image_command, COMMAND_ANY,
1627 "same args as load_image, image stored in memory - mainly for profiling purposes");
1628
1629 register_command(cmd_ctx, NULL, "fast_load", handle_fast_load_command, COMMAND_ANY,
1630 "loads active fast load image to current target - mainly for profiling purposes");
1631
1632
1633 register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "translate a virtual address into a physical address");
1634 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, "display or set a register");
1635 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1636 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1637 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1638 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1639 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1640 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run | halt | init] - default is run");
1641 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1642
1643 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words [phys] <addr> [count]");
1644 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words [phys] <addr> [count]");
1645 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes [phys] <addr> [count]");
1646
1647 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word [phys] <addr> <value> [count]");
1648 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word [phys] <addr> <value> [count]");
1649 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte [phys] <addr> <value> [count]");
1650
1651 register_command(cmd_ctx, NULL, "bp",
1652 handle_bp_command, COMMAND_EXEC,
1653 "list or set breakpoint [<address> <length> [hw]]");
1654 register_command(cmd_ctx, NULL, "rbp",
1655 handle_rbp_command, COMMAND_EXEC,
1656 "remove breakpoint <address>");
1657 register_command(cmd_ctx, NULL, "wp",
1658 handle_wp_command, COMMAND_EXEC,
1659 "list or set watchpoint "
1660 "[<address> <length> <r/w/a> [value] [mask]]");
1661 register_command(cmd_ctx, NULL, "rwp",
1662 handle_rwp_command, COMMAND_EXEC,
1663 "remove watchpoint <address>");
1664
1665 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]");
1666 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1667 register_command(cmd_ctx, NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1668 register_command(cmd_ctx, NULL, "test_image", handle_test_image_command, COMMAND_EXEC, "test_image <file> [offset] [type]");
1669
1670 if ((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
1671 return retval;
1672 if ((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
1673 return retval;
1674
1675 return retval;
1676 }
1677
1678 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1679 {
1680 target_t *target = all_targets;
1681
1682 if (argc == 1)
1683 {
1684 target = get_target(args[0]);
1685 if (target == NULL) {
1686 command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0]);
1687 goto DumpTargets;
1688 }
1689 if (!target->tap->enabled) {
1690 command_print(cmd_ctx,"Target: TAP %s is disabled, "
1691 "can't be the current target\n",
1692 target->tap->dotted_name);
1693 return ERROR_FAIL;
1694 }
1695
1696 cmd_ctx->current_target = target->target_number;
1697 return ERROR_OK;
1698 }
1699 DumpTargets:
1700
1701 target = all_targets;
1702 command_print(cmd_ctx, " TargetName Type Endian TapName State ");
1703 command_print(cmd_ctx, "-- ------------------ ---------- ------ ------------------ ------------");
1704 while (target)
1705 {
1706 const char *state;
1707 char marker = ' ';
1708
1709 if (target->tap->enabled)
1710 state = target_state_name( target );
1711 else
1712 state = "tap-disabled";
1713
1714 if (cmd_ctx->current_target == target->target_number)
1715 marker = '*';
1716
1717 /* keep columns lined up to match the headers above */
1718 command_print(cmd_ctx, "%2d%c %-18s %-10s %-6s %-18s %s",
1719 target->target_number,
1720 marker,
1721 target->cmd_name,
1722 target_get_name(target),
1723 Jim_Nvp_value2name_simple(nvp_target_endian,
1724 target->endianness)->name,
1725 target->tap->dotted_name,
1726 state);
1727 target = target->next;
1728 }
1729
1730 return ERROR_OK;
1731 }
1732
1733 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1734
1735 static int powerDropout;
1736 static int srstAsserted;
1737
1738 static int runPowerRestore;
1739 static int runPowerDropout;
1740 static int runSrstAsserted;
1741 static int runSrstDeasserted;
1742
1743 static int sense_handler(void)
1744 {
1745 static int prevSrstAsserted = 0;
1746 static int prevPowerdropout = 0;
1747
1748 int retval;
1749 if ((retval = jtag_power_dropout(&powerDropout)) != ERROR_OK)
1750 return retval;
1751
1752 int powerRestored;
1753 powerRestored = prevPowerdropout && !powerDropout;
1754 if (powerRestored)
1755 {
1756 runPowerRestore = 1;
1757 }
1758
1759 long long current = timeval_ms();
1760 static long long lastPower = 0;
1761 int waitMore = lastPower + 2000 > current;
1762 if (powerDropout && !waitMore)
1763 {
1764 runPowerDropout = 1;
1765 lastPower = current;
1766 }
1767
1768 if ((retval = jtag_srst_asserted(&srstAsserted)) != ERROR_OK)
1769 return retval;
1770
1771 int srstDeasserted;
1772 srstDeasserted = prevSrstAsserted && !srstAsserted;
1773
1774 static long long lastSrst = 0;
1775 waitMore = lastSrst + 2000 > current;
1776 if (srstDeasserted && !waitMore)
1777 {
1778 runSrstDeasserted = 1;
1779 lastSrst = current;
1780 }
1781
1782 if (!prevSrstAsserted && srstAsserted)
1783 {
1784 runSrstAsserted = 1;
1785 }
1786
1787 prevSrstAsserted = srstAsserted;
1788 prevPowerdropout = powerDropout;
1789
1790 if (srstDeasserted || powerRestored)
1791 {
1792 /* Other than logging the event we can't do anything here.
1793 * Issuing a reset is a particularly bad idea as we might
1794 * be inside a reset already.
1795 */
1796 }
1797
1798 return ERROR_OK;
1799 }
1800
1801 static void target_call_event_callbacks_all(enum target_event e) {
1802 target_t *target;
1803 target = all_targets;
1804 while (target) {
1805 target_call_event_callbacks(target, e);
1806 target = target->next;
1807 }
1808 }
1809
1810 /* process target state changes */
1811 int handle_target(void *priv)
1812 {
1813 int retval = ERROR_OK;
1814
1815 /* we do not want to recurse here... */
1816 static int recursive = 0;
1817 if (! recursive)
1818 {
1819 recursive = 1;
1820 sense_handler();
1821 /* danger! running these procedures can trigger srst assertions and power dropouts.
1822 * We need to avoid an infinite loop/recursion here and we do that by
1823 * clearing the flags after running these events.
1824 */
1825 int did_something = 0;
1826 if (runSrstAsserted)
1827 {
1828 target_call_event_callbacks_all(TARGET_EVENT_GDB_HALT);
1829 Jim_Eval(interp, "srst_asserted");
1830 did_something = 1;
1831 }
1832 if (runSrstDeasserted)
1833 {
1834 Jim_Eval(interp, "srst_deasserted");
1835 did_something = 1;
1836 }
1837 if (runPowerDropout)
1838 {
1839 target_call_event_callbacks_all(TARGET_EVENT_GDB_HALT);
1840 Jim_Eval(interp, "power_dropout");
1841 did_something = 1;
1842 }
1843 if (runPowerRestore)
1844 {
1845 Jim_Eval(interp, "power_restore");
1846 did_something = 1;
1847 }
1848
1849 if (did_something)
1850 {
1851 /* clear detect flags */
1852 sense_handler();
1853 }
1854
1855 /* clear action flags */
1856
1857 runSrstAsserted = 0;
1858 runSrstDeasserted = 0;
1859 runPowerRestore = 0;
1860 runPowerDropout = 0;
1861
1862 recursive = 0;
1863 }
1864
1865 /* Poll targets for state changes unless that's globally disabled.
1866 * Skip targets that are currently disabled.
1867 */
1868 for (target_t *target = all_targets;
1869 is_jtag_poll_safe() && target;
1870 target = target->next)
1871 {
1872 if (!target->tap->enabled)
1873 continue;
1874
1875 /* only poll target if we've got power and srst isn't asserted */
1876 if (!powerDropout && !srstAsserted)
1877 {
1878 /* polling may fail silently until the target has been examined */
1879 if ((retval = target_poll(target)) != ERROR_OK)
1880 {
1881 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
1882 return retval;
1883 }
1884 }
1885 }
1886
1887 return retval;
1888 }
1889
1890 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1891 {
1892 target_t *target;
1893 reg_t *reg = NULL;
1894 int count = 0;
1895 char *value;
1896
1897 LOG_DEBUG("-");
1898
1899 target = get_current_target(cmd_ctx);
1900
1901 /* list all available registers for the current target */
1902 if (argc == 0)
1903 {
1904 reg_cache_t *cache = target->reg_cache;
1905
1906 count = 0;
1907 while (cache)
1908 {
1909 int i;
1910
1911 command_print(cmd_ctx, "===== %s", cache->name);
1912
1913 for (i = 0, reg = cache->reg_list;
1914 i < cache->num_regs;
1915 i++, reg++, count++)
1916 {
1917 /* only print cached values if they are valid */
1918 if (reg->valid) {
1919 value = buf_to_str(reg->value,
1920 reg->size, 16);
1921 command_print(cmd_ctx,
1922 "(%i) %s (/%" PRIu32 "): 0x%s%s",
1923 count, reg->name,
1924 reg->size, value,
1925 reg->dirty
1926 ? " (dirty)"
1927 : "");
1928 free(value);
1929 } else {
1930 command_print(cmd_ctx, "(%i) %s (/%" PRIu32 ")",
1931 count, reg->name,
1932 reg->size) ;
1933 }
1934 }
1935 cache = cache->next;
1936 }
1937
1938 return ERROR_OK;
1939 }
1940
1941 /* access a single register by its ordinal number */
1942 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1943 {
1944 unsigned num;
1945 int retval = parse_uint(args[0], &num);
1946 if (ERROR_OK != retval)
1947 return ERROR_COMMAND_SYNTAX_ERROR;
1948
1949 reg_cache_t *cache = target->reg_cache;
1950 count = 0;
1951 while (cache)
1952 {
1953 int i;
1954 for (i = 0; i < cache->num_regs; i++)
1955 {
1956 if (count++ == (int)num)
1957 {
1958 reg = &cache->reg_list[i];
1959 break;
1960 }
1961 }
1962 if (reg)
1963 break;
1964 cache = cache->next;
1965 }
1966
1967 if (!reg)
1968 {
1969 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1970 return ERROR_OK;
1971 }
1972 } else /* access a single register by its name */
1973 {
1974 reg = register_get_by_name(target->reg_cache, args[0], 1);
1975
1976 if (!reg)
1977 {
1978 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1979 return ERROR_OK;
1980 }
1981 }
1982
1983 /* display a register */
1984 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1985 {
1986 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1987 reg->valid = 0;
1988
1989 if (reg->valid == 0)
1990 {
1991 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1992 arch_type->get(reg);
1993 }
1994 value = buf_to_str(reg->value, reg->size, 16);
1995 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
1996 free(value);
1997 return ERROR_OK;
1998 }
1999
2000 /* set register value */
2001 if (argc == 2)
2002 {
2003 uint8_t *buf = malloc(CEIL(reg->size, 8));
2004 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
2005
2006 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
2007 arch_type->set(reg, buf);
2008
2009 value = buf_to_str(reg->value, reg->size, 16);
2010 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
2011 free(value);
2012
2013 free(buf);
2014
2015 return ERROR_OK;
2016 }
2017
2018 command_print(cmd_ctx, "usage: reg <#|name> [value]");
2019
2020 return ERROR_OK;
2021 }
2022
2023 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2024 {
2025 int retval = ERROR_OK;
2026 target_t *target = get_current_target(cmd_ctx);
2027
2028 if (argc == 0)
2029 {
2030 command_print(cmd_ctx, "background polling: %s",
2031 jtag_poll_get_enabled() ? "on" : "off");
2032 command_print(cmd_ctx, "TAP: %s (%s)",
2033 target->tap->dotted_name,
2034 target->tap->enabled ? "enabled" : "disabled");
2035 if (!target->tap->enabled)
2036 return ERROR_OK;
2037 if ((retval = target_poll(target)) != ERROR_OK)
2038 return retval;
2039 if ((retval = target_arch_state(target)) != ERROR_OK)
2040 return retval;
2041
2042 }
2043 else if (argc == 1)
2044 {
2045 if (strcmp(args[0], "on") == 0)
2046 {
2047 jtag_poll_set_enabled(true);
2048 }
2049 else if (strcmp(args[0], "off") == 0)
2050 {
2051 jtag_poll_set_enabled(false);
2052 }
2053 else
2054 {
2055 command_print(cmd_ctx, "arg is \"on\" or \"off\"");
2056 }
2057 } else
2058 {
2059 return ERROR_COMMAND_SYNTAX_ERROR;
2060 }
2061
2062 return retval;
2063 }
2064
2065 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2066 {
2067 if (argc > 1)
2068 return ERROR_COMMAND_SYNTAX_ERROR;
2069
2070 unsigned ms = 5000;
2071 if (1 == argc)
2072 {
2073 int retval = parse_uint(args[0], &ms);
2074 if (ERROR_OK != retval)
2075 {
2076 command_print(cmd_ctx, "usage: %s [seconds]", cmd);
2077 return ERROR_COMMAND_SYNTAX_ERROR;
2078 }
2079 // convert seconds (given) to milliseconds (needed)
2080 ms *= 1000;
2081 }
2082
2083 target_t *target = get_current_target(cmd_ctx);
2084 return target_wait_state(target, TARGET_HALTED, ms);
2085 }
2086
2087 /* wait for target state to change. The trick here is to have a low
2088 * latency for short waits and not to suck up all the CPU time
2089 * on longer waits.
2090 *
2091 * After 500ms, keep_alive() is invoked
2092 */
2093 int target_wait_state(target_t *target, enum target_state state, int ms)
2094 {
2095 int retval;
2096 long long then = 0, cur;
2097 int once = 1;
2098
2099 for (;;)
2100 {
2101 if ((retval = target_poll(target)) != ERROR_OK)
2102 return retval;
2103 if (target->state == state)
2104 {
2105 break;
2106 }
2107 cur = timeval_ms();
2108 if (once)
2109 {
2110 once = 0;
2111 then = timeval_ms();
2112 LOG_DEBUG("waiting for target %s...",
2113 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
2114 }
2115
2116 if (cur-then > 500)
2117 {
2118 keep_alive();
2119 }
2120
2121 if ((cur-then) > ms)
2122 {
2123 LOG_ERROR("timed out while waiting for target %s",
2124 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
2125 return ERROR_FAIL;
2126 }
2127 }
2128
2129 return ERROR_OK;
2130 }
2131
2132 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2133 {
2134 LOG_DEBUG("-");
2135
2136 target_t *target = get_current_target(cmd_ctx);
2137 int retval = target_halt(target);
2138 if (ERROR_OK != retval)
2139 return retval;
2140
2141 if (argc == 1)
2142 {
2143 unsigned wait;
2144 retval = parse_uint(args[0], &wait);
2145 if (ERROR_OK != retval)
2146 return ERROR_COMMAND_SYNTAX_ERROR;
2147 if (!wait)
2148 return ERROR_OK;
2149 }
2150
2151 return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
2152 }
2153
2154 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2155 {
2156 target_t *target = get_current_target(cmd_ctx);
2157
2158 LOG_USER("requesting target halt and executing a soft reset");
2159
2160 target->type->soft_reset_halt(target);
2161
2162 return ERROR_OK;
2163 }
2164
2165 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2166 {
2167 if (argc > 1)
2168 return ERROR_COMMAND_SYNTAX_ERROR;
2169
2170 enum target_reset_mode reset_mode = RESET_RUN;
2171 if (argc == 1)
2172 {
2173 const Jim_Nvp *n;
2174 n = Jim_Nvp_name2value_simple(nvp_reset_modes, args[0]);
2175 if ((n->name == NULL) || (n->value == RESET_UNKNOWN)) {
2176 return ERROR_COMMAND_SYNTAX_ERROR;
2177 }
2178 reset_mode = n->value;
2179 }
2180
2181 /* reset *all* targets */
2182 return target_process_reset(cmd_ctx, reset_mode);
2183 }
2184
2185
2186 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2187 {
2188 int current = 1;
2189 if (argc > 1)
2190 return ERROR_COMMAND_SYNTAX_ERROR;
2191
2192 target_t *target = get_current_target(cmd_ctx);
2193 target_handle_event(target, TARGET_EVENT_OLD_pre_resume);
2194
2195 /* with no args, resume from current pc, addr = 0,
2196 * with one arguments, addr = args[0],
2197 * handle breakpoints, not debugging */
2198 uint32_t addr = 0;
2199 if (argc == 1)
2200 {
2201 int retval = parse_u32(args[0], &addr);
2202 if (ERROR_OK != retval)
2203 return retval;
2204 current = 0;
2205 }
2206
2207 return target_resume(target, current, addr, 1, 0);
2208 }
2209
2210 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2211 {
2212 if (argc > 1)
2213 return ERROR_COMMAND_SYNTAX_ERROR;
2214
2215 LOG_DEBUG("-");
2216
2217 /* with no args, step from current pc, addr = 0,
2218 * with one argument addr = args[0],
2219 * handle breakpoints, debugging */
2220 uint32_t addr = 0;
2221 int current_pc = 1;
2222 if (argc == 1)
2223 {
2224 int retval = parse_u32(args[0], &addr);
2225 if (ERROR_OK != retval)
2226 return retval;
2227 current_pc = 0;
2228 }
2229
2230 target_t *target = get_current_target(cmd_ctx);
2231
2232 return target->type->step(target, current_pc, addr, 1);
2233 }
2234
2235 static void handle_md_output(struct command_context_s *cmd_ctx,
2236 struct target_s *target, uint32_t address, unsigned size,
2237 unsigned count, const uint8_t *buffer)
2238 {
2239 const unsigned line_bytecnt = 32;
2240 unsigned line_modulo = line_bytecnt / size;
2241
2242 char output[line_bytecnt * 4 + 1];
2243 unsigned output_len = 0;
2244
2245 const char *value_fmt;
2246 switch (size) {
2247 case 4: value_fmt = "%8.8x "; break;
2248 case 2: value_fmt = "%4.2x "; break;
2249 case 1: value_fmt = "%2.2x "; break;
2250 default:
2251 LOG_ERROR("invalid memory read size: %u", size);
2252 exit(-1);
2253 }
2254
2255 for (unsigned i = 0; i < count; i++)
2256 {
2257 if (i % line_modulo == 0)
2258 {
2259 output_len += snprintf(output + output_len,
2260 sizeof(output) - output_len,
2261 "0x%8.8x: ",
2262 (unsigned)(address + (i*size)));
2263 }
2264
2265 uint32_t value = 0;
2266 const uint8_t *value_ptr = buffer + i * size;
2267 switch (size) {
2268 case 4: value = target_buffer_get_u32(target, value_ptr); break;
2269 case 2: value = target_buffer_get_u16(target, value_ptr); break;
2270 case 1: value = *value_ptr;
2271 }
2272 output_len += snprintf(output + output_len,
2273 sizeof(output) - output_len,
2274 value_fmt, value);
2275
2276 if ((i % line_modulo == line_modulo - 1) || (i == count - 1))
2277 {
2278 command_print(cmd_ctx, "%s", output);
2279 output_len = 0;
2280 }
2281 }
2282 }
2283
2284 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2285 {
2286 if (argc < 1)
2287 return ERROR_COMMAND_SYNTAX_ERROR;
2288
2289 unsigned size = 0;
2290 switch (cmd[2]) {
2291 case 'w': size = 4; break;
2292 case 'h': size = 2; break;
2293 case 'b': size = 1; break;
2294 default: return ERROR_COMMAND_SYNTAX_ERROR;
2295 }
2296
2297 bool physical=strcmp(args[0], "phys")==0;
2298 int (*fn)(struct target_s *target,
2299 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
2300 if (physical)
2301 {
2302 argc--;
2303 args++;
2304 fn=target_read_phys_memory;
2305 } else
2306 {
2307 fn=target_read_memory;
2308 }
2309 if ((argc < 1) || (argc > 2))
2310 {
2311 return ERROR_COMMAND_SYNTAX_ERROR;
2312 }
2313 uint32_t address;
2314 int retval = parse_u32(args[0], &address);
2315 if (ERROR_OK != retval)
2316 return retval;
2317
2318 unsigned count = 1;
2319 if (argc == 2)
2320 {
2321 retval = parse_uint(args[1], &count);
2322 if (ERROR_OK != retval)
2323 return retval;
2324 }
2325
2326 uint8_t *buffer = calloc(count, size);
2327
2328 target_t *target = get_current_target(cmd_ctx);
2329 retval = fn(target, address, size, count, buffer);
2330 if (ERROR_OK == retval)
2331 handle_md_output(cmd_ctx, target, address, size, count, buffer);
2332
2333 free(buffer);
2334
2335 return retval;
2336 }
2337
2338 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2339 {
2340 if (argc < 2)
2341 {
2342 return ERROR_COMMAND_SYNTAX_ERROR;
2343 }
2344 bool physical=strcmp(args[0], "phys")==0;
2345 int (*fn)(struct target_s *target,
2346 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
2347 if (physical)
2348 {
2349 argc--;
2350 args++;
2351 fn=target_write_phys_memory;
2352 } else
2353 {
2354 fn=target_write_memory;
2355 }
2356 if ((argc < 2) || (argc > 3))
2357 return ERROR_COMMAND_SYNTAX_ERROR;
2358
2359 uint32_t address;
2360 int retval = parse_u32(args[0], &address);
2361 if (ERROR_OK != retval)
2362 return retval;
2363
2364 uint32_t value;
2365 retval = parse_u32(args[1], &value);
2366 if (ERROR_OK != retval)
2367 return retval;
2368
2369 unsigned count = 1;
2370 if (argc == 3)
2371 {
2372 retval = parse_uint(args[2], &count);
2373 if (ERROR_OK != retval)
2374 return retval;
2375 }
2376
2377 target_t *target = get_current_target(cmd_ctx);
2378 unsigned wordsize;
2379 uint8_t value_buf[4];
2380 switch (cmd[2])
2381 {
2382 case 'w':
2383 wordsize = 4;
2384 target_buffer_set_u32(target, value_buf, value);
2385 break;
2386 case 'h':
2387 wordsize = 2;
2388 target_buffer_set_u16(target, value_buf, value);
2389 break;
2390 case 'b':
2391 wordsize = 1;
2392 value_buf[0] = value;
2393 break;
2394 default:
2395 return ERROR_COMMAND_SYNTAX_ERROR;
2396 }
2397 for (unsigned i = 0; i < count; i++)
2398 {
2399 retval = fn(target,
2400 address + i * wordsize, wordsize, 1, value_buf);
2401 if (ERROR_OK != retval)
2402 return retval;
2403 keep_alive();
2404 }
2405
2406 return ERROR_OK;
2407
2408 }
2409
2410 static int parse_load_image_command_args(char **args, int argc,
2411 image_t *image, uint32_t *min_address, uint32_t *max_address)
2412 {
2413 if (argc < 1 || argc > 5)
2414 return ERROR_COMMAND_SYNTAX_ERROR;
2415
2416 /* a base address isn't always necessary,
2417 * default to 0x0 (i.e. don't relocate) */
2418 if (argc >= 2)
2419 {
2420 uint32_t addr;
2421 int retval = parse_u32(args[1], &addr);
2422 if (ERROR_OK != retval)
2423 return ERROR_COMMAND_SYNTAX_ERROR;
2424 image->base_address = addr;
2425 image->base_address_set = 1;
2426 }
2427 else
2428 image->base_address_set = 0;
2429
2430 image->start_address_set = 0;
2431
2432 if (argc >= 4)
2433 {
2434 int retval = parse_u32(args[3], min_address);
2435 if (ERROR_OK != retval)
2436 return ERROR_COMMAND_SYNTAX_ERROR;
2437 }
2438 if (argc == 5)
2439 {
2440 int retval = parse_u32(args[4], max_address);
2441 if (ERROR_OK != retval)
2442 return ERROR_COMMAND_SYNTAX_ERROR;
2443 // use size (given) to find max (required)
2444 *max_address += *min_address;
2445 }
2446
2447 if (*min_address > *max_address)
2448 return ERROR_COMMAND_SYNTAX_ERROR;
2449
2450 return ERROR_OK;
2451 }
2452
2453 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2454 {
2455 uint8_t *buffer;
2456 uint32_t buf_cnt;
2457 uint32_t image_size;
2458 uint32_t min_address = 0;
2459 uint32_t max_address = 0xffffffff;
2460 int i;
2461 int retvaltemp;
2462
2463 image_t image;
2464
2465 duration_t duration;
2466 char *duration_text;
2467
2468 int retval = parse_load_image_command_args(args, argc,
2469 &image, &min_address, &max_address);
2470 if (ERROR_OK != retval)
2471 return retval;
2472
2473 target_t *target = get_current_target(cmd_ctx);
2474 duration_start_measure(&duration);
2475
2476 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2477 {
2478 return ERROR_OK;
2479 }
2480
2481 image_size = 0x0;
2482 retval = ERROR_OK;
2483 for (i = 0; i < image.num_sections; i++)
2484 {
2485 buffer = malloc(image.sections[i].size);
2486 if (buffer == NULL)
2487 {
2488 command_print(cmd_ctx,
2489 "error allocating buffer for section (%d bytes)",
2490 (int)(image.sections[i].size));
2491 break;
2492 }
2493
2494 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2495 {
2496 free(buffer);
2497 break;
2498 }
2499
2500 uint32_t offset = 0;
2501 uint32_t length = buf_cnt;
2502
2503 /* DANGER!!! beware of unsigned comparision here!!! */
2504
2505 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
2506 (image.sections[i].base_address < max_address))
2507 {
2508 if (image.sections[i].base_address < min_address)
2509 {
2510 /* clip addresses below */
2511 offset += min_address-image.sections[i].base_address;
2512 length -= offset;
2513 }
2514
2515 if (image.sections[i].base_address + buf_cnt > max_address)
2516 {
2517 length -= (image.sections[i].base_address + buf_cnt)-max_address;
2518 }
2519
2520 if ((retval = target_write_buffer(target, image.sections[i].base_address + offset, length, buffer + offset)) != ERROR_OK)
2521 {
2522 free(buffer);
2523 break;
2524 }
2525 image_size += length;
2526 command_print(cmd_ctx, "%u bytes written at address 0x%8.8" PRIx32 "",
2527 (unsigned int)length,
2528 image.sections[i].base_address + offset);
2529 }
2530
2531 free(buffer);
2532 }
2533
2534 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2535 {
2536 image_close(&image);
2537 return retvaltemp;
2538 }
2539
2540 if (retval == ERROR_OK)
2541 {
2542 command_print(cmd_ctx, "downloaded %u byte in %s",
2543 (unsigned int)image_size,
2544 duration_text);
2545 }
2546 free(duration_text);
2547
2548 image_close(&image);
2549
2550 return retval;
2551
2552 }
2553
2554 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2555 {
2556 fileio_t fileio;
2557
2558 uint8_t buffer[560];
2559 int retvaltemp;
2560
2561 duration_t duration;
2562 char *duration_text;
2563
2564 target_t *target = get_current_target(cmd_ctx);
2565
2566 if (argc != 3)
2567 {
2568 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2569 return ERROR_OK;
2570 }
2571
2572 uint32_t address;
2573 int retval = parse_u32(args[1], &address);
2574 if (ERROR_OK != retval)
2575 return retval;
2576
2577 uint32_t size;
2578 retval = parse_u32(args[2], &size);
2579 if (ERROR_OK != retval)
2580 return retval;
2581
2582 if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2583 {
2584 return ERROR_OK;
2585 }
2586
2587 duration_start_measure(&duration);
2588
2589 while (size > 0)
2590 {
2591 uint32_t size_written;
2592 uint32_t this_run_size = (size > 560) ? 560 : size;
2593
2594 retval = target_read_buffer(target, address, this_run_size, buffer);
2595 if (retval != ERROR_OK)
2596 {
2597 break;
2598 }
2599
2600 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2601 if (retval != ERROR_OK)
2602 {
2603 break;
2604 }
2605
2606 size -= this_run_size;
2607 address += this_run_size;
2608 }
2609
2610 if ((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2611 return retvaltemp;
2612
2613 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2614 return retvaltemp;
2615
2616 if (retval == ERROR_OK)
2617 {
2618 command_print(cmd_ctx, "dumped %lld byte in %s",
2619 fileio.size, duration_text);
2620 free(duration_text);
2621 }
2622
2623 return retval;
2624 }
2625
2626 static int handle_verify_image_command_internal(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, int verify)
2627 {
2628 uint8_t *buffer;
2629 uint32_t buf_cnt;
2630 uint32_t image_size;
2631 int i;
2632 int retval, retvaltemp;
2633 uint32_t checksum = 0;
2634 uint32_t mem_checksum = 0;
2635
2636 image_t image;
2637
2638 duration_t duration;
2639 char *duration_text;
2640
2641 target_t *target = get_current_target(cmd_ctx);
2642
2643 if (argc < 1)
2644 {
2645 return ERROR_COMMAND_SYNTAX_ERROR;
2646 }
2647
2648 if (!target)
2649 {
2650 LOG_ERROR("no target selected");
2651 return ERROR_FAIL;
2652 }
2653
2654 duration_start_measure(&duration);
2655
2656 if (argc >= 2)
2657 {
2658 uint32_t addr;
2659 retval = parse_u32(args[1], &addr);
2660 if (ERROR_OK != retval)
2661 return ERROR_COMMAND_SYNTAX_ERROR;
2662 image.base_address = addr;
2663 image.base_address_set = 1;
2664 }
2665 else
2666 {
2667 image.base_address_set = 0;
2668 image.base_address = 0x0;
2669 }
2670
2671 image.start_address_set = 0;
2672
2673 if ((retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2674 {
2675 return retval;
2676 }
2677
2678 image_size = 0x0;
2679 retval = ERROR_OK;
2680 for (i = 0; i < image.num_sections; i++)
2681 {
2682 buffer = malloc(image.sections[i].size);
2683 if (buffer == NULL)
2684 {
2685 command_print(cmd_ctx,
2686 "error allocating buffer for section (%d bytes)",
2687 (int)(image.sections[i].size));
2688 break;
2689 }
2690 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2691 {
2692 free(buffer);
2693 break;
2694 }
2695
2696 if (verify)
2697 {
2698 /* calculate checksum of image */
2699 image_calculate_checksum(buffer, buf_cnt, &checksum);
2700
2701 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2702 if (retval != ERROR_OK)
2703 {
2704 free(buffer);
2705 break;
2706 }
2707
2708 if (checksum != mem_checksum)
2709 {
2710 /* failed crc checksum, fall back to a binary compare */
2711 uint8_t *data;
2712
2713 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2714
2715 data = (uint8_t*)malloc(buf_cnt);
2716
2717 /* Can we use 32bit word accesses? */
2718 int size = 1;
2719 int count = buf_cnt;
2720 if ((count % 4) == 0)
2721 {
2722 size *= 4;
2723 count /= 4;
2724 }
2725 retval = target_read_memory(target, image.sections[i].base_address, size, count, data);
2726 if (retval == ERROR_OK)
2727 {
2728 uint32_t t;
2729 for (t = 0; t < buf_cnt; t++)
2730 {
2731 if (data[t] != buffer[t])
2732 {
2733 command_print(cmd_ctx,
2734 "Verify operation failed address 0x%08x. Was 0x%02x instead of 0x%02x\n",
2735 (unsigned)(t + image.sections[i].base_address),
2736 data[t],
2737 buffer[t]);
2738 free(data);
2739 free(buffer);
2740 retval = ERROR_FAIL;
2741 goto done;
2742 }
2743 if ((t%16384) == 0)
2744 {
2745 keep_alive();
2746 }
2747 }
2748 }
2749
2750 free(data);
2751 }
2752 } else
2753 {
2754 command_print(cmd_ctx, "address 0x%08" PRIx32 " length 0x%08" PRIx32 "",
2755 image.sections[i].base_address,
2756 buf_cnt);
2757 }
2758
2759 free(buffer);
2760 image_size += buf_cnt;
2761 }
2762 done:
2763
2764 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2765 {
2766 image_close(&image);
2767 return retvaltemp;
2768 }
2769
2770 if (retval == ERROR_OK)
2771 {
2772 command_print(cmd_ctx, "verified %u bytes in %s",
2773 (unsigned int)image_size,
2774 duration_text);
2775 }
2776 free(duration_text);
2777
2778 image_close(&image);
2779
2780 return retval;
2781 }
2782
2783 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2784 {
2785 return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 1);
2786 }
2787
2788 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2789 {
2790 return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 0);
2791 }
2792
2793 static int handle_bp_command_list(struct command_context_s *cmd_ctx)
2794 {
2795 target_t *target = get_current_target(cmd_ctx);
2796 breakpoint_t *breakpoint = target->breakpoints;
2797 while (breakpoint)
2798 {
2799 if (breakpoint->type == BKPT_SOFT)
2800 {
2801 char* buf = buf_to_str(breakpoint->orig_instr,
2802 breakpoint->length, 16);
2803 command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i, 0x%s",
2804 breakpoint->address,
2805 breakpoint->length,
2806 breakpoint->set, buf);
2807 free(buf);
2808 }
2809 else
2810 {
2811 command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i",
2812 breakpoint->address,
2813 breakpoint->length, breakpoint->set);
2814 }
2815
2816 breakpoint = breakpoint->next;
2817 }
2818 return ERROR_OK;
2819 }
2820
2821 static int handle_bp_command_set(struct command_context_s *cmd_ctx,
2822 uint32_t addr, uint32_t length, int hw)
2823 {
2824 target_t *target = get_current_target(cmd_ctx);
2825 int retval = breakpoint_add(target, addr, length, hw);
2826 if (ERROR_OK == retval)
2827 command_print(cmd_ctx, "breakpoint set at 0x%8.8" PRIx32 "", addr);
2828 else
2829 LOG_ERROR("Failure setting breakpoint");
2830 return retval;
2831 }
2832
2833 static int handle_bp_command(struct command_context_s *cmd_ctx,
2834 char *cmd, char **args, int argc)
2835 {
2836 if (argc == 0)
2837 return handle_bp_command_list(cmd_ctx);
2838
2839 if (argc < 2 || argc > 3)
2840 {
2841 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2842 return ERROR_COMMAND_SYNTAX_ERROR;
2843 }
2844
2845 uint32_t addr;
2846 int retval = parse_u32(args[0], &addr);
2847 if (ERROR_OK != retval)
2848 return retval;
2849
2850 uint32_t length;
2851 retval = parse_u32(args[1], &length);
2852 if (ERROR_OK != retval)
2853 return retval;
2854
2855 int hw = BKPT_SOFT;
2856 if (argc == 3)
2857 {
2858 if (strcmp(args[2], "hw") == 0)
2859 hw = BKPT_HARD;
2860 else
2861 return ERROR_COMMAND_SYNTAX_ERROR;
2862 }
2863
2864 return handle_bp_command_set(cmd_ctx, addr, length, hw);
2865 }
2866
2867 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2868 {
2869 if (argc != 1)
2870 return ERROR_COMMAND_SYNTAX_ERROR;
2871
2872 uint32_t addr;
2873 int retval = parse_u32(args[0], &addr);
2874 if (ERROR_OK != retval)
2875 return retval;
2876
2877 target_t *target = get_current_target(cmd_ctx);
2878 breakpoint_remove(target, addr);
2879
2880 return ERROR_OK;
2881 }
2882
2883 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2884 {
2885 target_t *target = get_current_target(cmd_ctx);
2886
2887 if (argc == 0)
2888 {
2889 watchpoint_t *watchpoint = target->watchpoints;
2890
2891 while (watchpoint)
2892 {
2893 command_print(cmd_ctx,
2894 "address: 0x%8.8" PRIx32 ", len: 0x%8.8x, r/w/a: %i, value: 0x%8.8" PRIx32 ", mask: 0x%8.8" PRIx32 "",
2895 watchpoint->address,
2896 watchpoint->length,
2897 (int)(watchpoint->rw),
2898 watchpoint->value,
2899 watchpoint->mask);
2900 watchpoint = watchpoint->next;
2901 }
2902 return ERROR_OK;
2903 }
2904
2905 enum watchpoint_rw type = WPT_ACCESS;
2906 uint32_t addr = 0;
2907 uint32_t length = 0;
2908 uint32_t data_value = 0x0;
2909 uint32_t data_mask = 0xffffffff;
2910 int retval;
2911
2912 switch (argc)
2913 {
2914 case 5:
2915 retval = parse_u32(args[4], &data_mask);
2916 if (ERROR_OK != retval)
2917 return retval;
2918 // fall through
2919 case 4:
2920 retval = parse_u32(args[3], &data_value);
2921 if (ERROR_OK != retval)
2922 return retval;
2923 // fall through
2924 case 3:
2925 switch (args[2][0])
2926 {
2927 case 'r':
2928 type = WPT_READ;
2929 break;
2930 case 'w':
2931 type = WPT_WRITE;
2932 break;
2933 case 'a':
2934 type = WPT_ACCESS;
2935 break;
2936 default:
2937 LOG_ERROR("invalid watchpoint mode ('%c')", args[2][0]);
2938 return ERROR_COMMAND_SYNTAX_ERROR;
2939 }
2940 // fall through
2941 case 2:
2942 retval = parse_u32(args[1], &length);
2943 if (ERROR_OK != retval)
2944 return retval;
2945 retval = parse_u32(args[0], &addr);
2946 if (ERROR_OK != retval)
2947 return retval;
2948 break;
2949
2950 default:
2951 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2952 return ERROR_COMMAND_SYNTAX_ERROR;
2953 }
2954
2955 retval = watchpoint_add(target, addr, length, type,
2956 data_value, data_mask);
2957 if (ERROR_OK != retval)
2958 LOG_ERROR("Failure setting watchpoints");
2959
2960 return retval;
2961 }
2962
2963 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2964 {
2965 if (argc != 1)
2966 return ERROR_COMMAND_SYNTAX_ERROR;
2967
2968 uint32_t addr;
2969 int retval = parse_u32(args[0], &addr);
2970 if (ERROR_OK != retval)
2971 return retval;
2972
2973 target_t *target = get_current_target(cmd_ctx);
2974 watchpoint_remove(target, addr);
2975
2976 return ERROR_OK;
2977 }
2978
2979
2980 /**
2981 * Translate a virtual address to a physical address.
2982 *
2983 * The low-level target implementation must have logged a detailed error
2984 * which is forwarded to telnet/GDB session.
2985 */
2986 static int handle_virt2phys_command(command_context_t *cmd_ctx,
2987 char *cmd, char **args, int argc)
2988 {
2989 if (argc != 1)
2990 return ERROR_COMMAND_SYNTAX_ERROR;
2991
2992 uint32_t va;
2993 int retval = parse_u32(args[0], &va);
2994 if (ERROR_OK != retval)
2995 return retval;
2996 uint32_t pa;
2997
2998 target_t *target = get_current_target(cmd_ctx);
2999 retval = target->type->virt2phys(target, va, &pa);
3000 if (retval == ERROR_OK)
3001 command_print(cmd_ctx, "Physical address 0x%08" PRIx32 "", pa);
3002
3003 return retval;
3004 }
3005
3006 static void writeData(FILE *f, const void *data, size_t len)
3007 {
3008 size_t written = fwrite(data, 1, len, f);
3009 if (written != len)
3010 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
3011 }
3012
3013 static void writeLong(FILE *f, int l)
3014 {
3015 int i;
3016 for (i = 0; i < 4; i++)
3017 {
3018 char c = (l >> (i*8))&0xff;
3019 writeData(f, &c, 1);
3020 }
3021
3022 }
3023
3024 static void writeString(FILE *f, char *s)
3025 {
3026 writeData(f, s, strlen(s));
3027 }
3028
3029 /* Dump a gmon.out histogram file. */
3030 static void writeGmon(uint32_t *samples, uint32_t sampleNum, char *filename)
3031 {
3032 uint32_t i;
3033 FILE *f = fopen(filename, "w");
3034 if (f == NULL)
3035 return;
3036 writeString(f, "gmon");
3037 writeLong(f, 0x00000001); /* Version */
3038 writeLong(f, 0); /* padding */
3039 writeLong(f, 0); /* padding */
3040 writeLong(f, 0); /* padding */
3041
3042 uint8_t zero = 0; /* GMON_TAG_TIME_HIST */
3043 writeData(f, &zero, 1);
3044
3045 /* figure out bucket size */
3046 uint32_t min = samples[0];
3047 uint32_t max = samples[0];
3048 for (i = 0; i < sampleNum; i++)
3049 {
3050 if (min > samples[i])
3051 {
3052 min = samples[i];
3053 }
3054 if (max < samples[i])
3055 {
3056 max = samples[i];
3057 }
3058 }
3059
3060 int addressSpace = (max-min + 1);
3061
3062 static const uint32_t maxBuckets = 256 * 1024; /* maximum buckets. */
3063 uint32_t length = addressSpace;
3064 if (length > maxBuckets)
3065 {
3066 length = maxBuckets;
3067 }
3068 int *buckets = malloc(sizeof(int)*length);
3069 if (buckets == NULL)
3070 {
3071 fclose(f);
3072 return;
3073 }
3074 memset(buckets, 0, sizeof(int)*length);
3075 for (i = 0; i < sampleNum;i++)
3076 {
3077 uint32_t address = samples[i];
3078 long long a = address-min;
3079 long long b = length-1;
3080 long long c = addressSpace-1;
3081 int index = (a*b)/c; /* danger!!!! int32 overflows */
3082 buckets[index]++;
3083 }
3084
3085 /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
3086 writeLong(f, min); /* low_pc */
3087 writeLong(f, max); /* high_pc */
3088 writeLong(f, length); /* # of samples */
3089 writeLong(f, 64000000); /* 64MHz */
3090 writeString(f, "seconds");
3091 for (i = 0; i < (15-strlen("seconds")); i++)
3092 writeData(f, &zero, 1);
3093 writeString(f, "s");
3094
3095 /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
3096
3097 char *data = malloc(2*length);
3098 if (data != NULL)
3099 {
3100 for (i = 0; i < length;i++)
3101 {
3102 int val;
3103 val = buckets[i];
3104 if (val > 65535)
3105 {
3106 val = 65535;
3107 }
3108 data[i*2]=val&0xff;
3109 data[i*2 + 1]=(val >> 8)&0xff;
3110 }
3111 free(buckets);
3112 writeData(f, data, length * 2);
3113 free(data);
3114 } else
3115 {
3116 free(buckets);
3117 }
3118
3119 fclose(f);
3120 }
3121
3122 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
3123 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
3124 {
3125 target_t *target = get_current_target(cmd_ctx);
3126 struct timeval timeout, now;
3127
3128 gettimeofday(&timeout, NULL);
3129 if (argc != 2)
3130 {
3131 return ERROR_COMMAND_SYNTAX_ERROR;
3132 }
3133 unsigned offset;
3134 int retval = parse_uint(args[0], &offset);
3135 if (ERROR_OK != retval)
3136 return retval;
3137
3138 timeval_add_time(&timeout, offset, 0);
3139
3140 command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
3141
3142 static const int maxSample = 10000;
3143 uint32_t *samples = malloc(sizeof(uint32_t)*maxSample);
3144 if (samples == NULL)
3145 return ERROR_OK;
3146
3147 int numSamples = 0;
3148 /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
3149 reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
3150
3151 for (;;)
3152 {
3153 target_poll(target);
3154 if (target->state == TARGET_HALTED)
3155 {
3156 uint32_t t=*((uint32_t *)reg->value);
3157 samples[numSamples++]=t;
3158 retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3159 target_poll(target);
3160 alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
3161 } else if (target->state == TARGET_RUNNING)
3162 {
3163 /* We want to quickly sample the PC. */
3164 if ((retval = target_halt(target)) != ERROR_OK)
3165 {
3166 free(samples);
3167 return retval;
3168 }
3169 } else
3170 {
3171 command_print(cmd_ctx, "Target not halted or running");
3172 retval = ERROR_OK;
3173 break;
3174 }
3175 if (retval != ERROR_OK)
3176 {
3177 break;
3178 }
3179
3180 gettimeofday(&now, NULL);
3181 if ((numSamples >= maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
3182 {
3183 command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
3184 if ((retval = target_poll(target)) != ERROR_OK)
3185 {
3186 free(samples);
3187 return retval;
3188 }
3189 if (target->state == TARGET_HALTED)
3190 {
3191 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3192 }
3193 if ((retval = target_poll(target)) != ERROR_OK)
3194 {
3195 free(samples);
3196 return retval;
3197 }
3198 writeGmon(samples, numSamples, args[1]);
3199 command_print(cmd_ctx, "Wrote %s", args[1]);
3200 break;
3201 }
3202 }
3203 free(samples);
3204
3205 return ERROR_OK;
3206 }
3207
3208 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t val)
3209 {
3210 char *namebuf;
3211 Jim_Obj *nameObjPtr, *valObjPtr;
3212 int result;
3213
3214 namebuf = alloc_printf("%s(%d)", varname, idx);
3215 if (!namebuf)
3216 return JIM_ERR;
3217
3218 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3219 valObjPtr = Jim_NewIntObj(interp, val);
3220 if (!nameObjPtr || !valObjPtr)
3221 {
3222 free(namebuf);
3223 return JIM_ERR;
3224 }
3225
3226 Jim_IncrRefCount(nameObjPtr);
3227 Jim_IncrRefCount(valObjPtr);
3228 result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
3229 Jim_DecrRefCount(interp, nameObjPtr);
3230 Jim_DecrRefCount(interp, valObjPtr);
3231 free(namebuf);
3232 /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
3233 return result;
3234 }
3235
3236 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3237 {
3238 command_context_t *context;
3239 target_t *target;
3240
3241 context = Jim_GetAssocData(interp, "context");
3242 if (context == NULL)
3243 {
3244 LOG_ERROR("mem2array: no command context");
3245 return JIM_ERR;
3246 }
3247 target = get_current_target(context);
3248 if (target == NULL)
3249 {
3250 LOG_ERROR("mem2array: no current target");
3251 return JIM_ERR;
3252 }
3253
3254 return target_mem2array(interp, target, argc-1, argv + 1);
3255 }
3256
3257 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
3258 {
3259 long l;
3260 uint32_t width;
3261 int len;
3262 uint32_t addr;
3263 uint32_t count;
3264 uint32_t v;
3265 const char *varname;
3266 uint8_t buffer[4096];
3267 int n, e, retval;
3268 uint32_t i;
3269
3270 /* argv[1] = name of array to receive the data
3271 * argv[2] = desired width
3272 * argv[3] = memory address
3273 * argv[4] = count of times to read
3274 */
3275 if (argc != 4) {
3276 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3277 return JIM_ERR;
3278 }
3279 varname = Jim_GetString(argv[0], &len);
3280 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3281
3282 e = Jim_GetLong(interp, argv[1], &l);
3283 width = l;
3284 if (e != JIM_OK) {
3285 return e;
3286 }
3287
3288 e = Jim_GetLong(interp, argv[2], &l);
3289 addr = l;
3290 if (e != JIM_OK) {
3291 return e;
3292 }
3293 e = Jim_GetLong(interp, argv[3], &l);
3294 len = l;
3295 if (e != JIM_OK) {
3296 return e;
3297 }
3298 switch (width) {
3299 case 8:
3300 width = 1;
3301 break;
3302 case 16:
3303 width = 2;
3304 break;
3305 case 32:
3306 width = 4;
3307 break;
3308 default:
3309 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3310 Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3311 return JIM_ERR;
3312 }
3313 if (len == 0) {
3314 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3315 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
3316 return JIM_ERR;
3317 }
3318 if ((addr + (len * width)) < addr) {
3319 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3320 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
3321 return JIM_ERR;
3322 }
3323 /* absurd transfer size? */
3324 if (len > 65536) {
3325 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3326 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
3327 return JIM_ERR;
3328 }
3329
3330 if ((width == 1) ||
3331 ((width == 2) && ((addr & 1) == 0)) ||
3332 ((width == 4) && ((addr & 3) == 0))) {
3333 /* all is well */
3334 } else {
3335 char buf[100];
3336 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3337 sprintf(buf, "mem2array address: 0x%08" PRIx32 " is not aligned for %" PRId32 " byte reads",
3338 addr,
3339 width);
3340 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3341 return JIM_ERR;
3342 }
3343
3344 /* Transfer loop */
3345
3346 /* index counter */
3347 n = 0;
3348 /* assume ok */
3349 e = JIM_OK;
3350 while (len) {
3351 /* Slurp... in buffer size chunks */
3352
3353 count = len; /* in objects.. */
3354 if (count > (sizeof(buffer)/width)) {
3355 count = (sizeof(buffer)/width);
3356 }
3357
3358 retval = target_read_memory(target, addr, width, count, buffer);
3359 if (retval != ERROR_OK) {
3360 /* BOO !*/
3361 LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed",
3362 (unsigned int)addr,
3363 (int)width,
3364 (int)count);
3365 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3366 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
3367 e = JIM_ERR;
3368 len = 0;
3369 } else {
3370 v = 0; /* shut up gcc */
3371 for (i = 0 ;i < count ;i++, n++) {
3372 switch (width) {
3373 case 4:
3374 v = target_buffer_get_u32(target, &buffer[i*width]);
3375 break;
3376 case 2:
3377 v = target_buffer_get_u16(target, &buffer[i*width]);
3378 break;
3379 case 1:
3380 v = buffer[i] & 0x0ff;
3381 break;
3382 }
3383 new_int_array_element(interp, varname, n, v);
3384 }
3385 len -= count;
3386 }
3387 }
3388
3389 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3390
3391 return JIM_OK;
3392 }
3393
3394 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t *val)
3395 {
3396 char *namebuf;
3397 Jim_Obj *nameObjPtr, *valObjPtr;
3398 int result;
3399 long l;
3400
3401 namebuf = alloc_printf("%s(%d)", varname, idx);
3402 if (!namebuf)
3403 return JIM_ERR;
3404
3405 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3406 if (!nameObjPtr)
3407 {
3408 free(namebuf);
3409 return JIM_ERR;
3410 }
3411
3412 Jim_IncrRefCount(nameObjPtr);
3413 valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
3414 Jim_DecrRefCount(interp, nameObjPtr);
3415 free(namebuf);
3416 if (valObjPtr == NULL)
3417 return JIM_ERR;
3418
3419 result = Jim_GetLong(interp, valObjPtr, &l);
3420 /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
3421 *val = l;
3422 return result;
3423 }
3424
3425 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3426 {
3427 command_context_t *context;
3428 target_t *target;
3429
3430 context = Jim_GetAssocData(interp, "context");
3431 if (context == NULL) {
3432 LOG_ERROR("array2mem: no command context");
3433 return JIM_ERR;
3434 }
3435 target = get_current_target(context);
3436 if (target == NULL) {
3437 LOG_ERROR("array2mem: no current target");
3438 return JIM_ERR;
3439 }
3440
3441 return target_array2mem(interp,target, argc-1, argv + 1);
3442 }
3443 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
3444 {
3445 long l;
3446 uint32_t width;
3447 int len;
3448 uint32_t addr;
3449 uint32_t count;
3450 uint32_t v;
3451 const char *varname;
3452 uint8_t buffer[4096];
3453 int n, e, retval;
3454 uint32_t i;
3455
3456 /* argv[1] = name of array to get the data
3457 * argv[2] = desired width
3458 * argv[3] = memory address
3459 * argv[4] = count to write
3460 */
3461 if (argc != 4) {
3462 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3463 return JIM_ERR;
3464 }
3465 varname = Jim_GetString(argv[0], &len);
3466 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3467
3468 e = Jim_GetLong(interp, argv[1], &l);
3469 width = l;
3470 if (e != JIM_OK) {
3471 return e;
3472 }
3473
3474 e = Jim_GetLong(interp, argv[2], &l);
3475 addr = l;
3476 if (e != JIM_OK) {
3477 return e;
3478 }
3479 e = Jim_GetLong(interp, argv[3], &l);
3480 len = l;
3481 if (e != JIM_OK) {
3482 return e;
3483 }
3484 switch (width) {
3485 case 8:
3486 width = 1;
3487 break;
3488 case 16:
3489 width = 2;
3490 break;
3491 case 32:
3492 width = 4;
3493 break;
3494 default:
3495 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3496 Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3497 return JIM_ERR;
3498 }
3499 if (len == 0) {
3500 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3501 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
3502 return JIM_ERR;
3503 }
3504 if ((addr + (len * width)) < addr) {
3505 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3506 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
3507 return JIM_ERR;
3508 }
3509 /* absurd transfer size? */
3510 if (len > 65536) {
3511 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3512 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
3513 return JIM_ERR;
3514 }
3515
3516 if ((width == 1) ||
3517 ((width == 2) && ((addr & 1) == 0)) ||
3518 ((width == 4) && ((addr & 3) == 0))) {
3519 /* all is well */
3520 } else {
3521 char buf[100];
3522 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3523 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads",
3524 (unsigned int)addr,
3525 (int)width);
3526 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3527 return JIM_ERR;
3528 }
3529
3530 /* Transfer loop */
3531
3532 /* index counter */
3533 n = 0;
3534 /* assume ok */
3535 e = JIM_OK;
3536 while (len) {
3537 /* Slurp... in buffer size chunks */
3538
3539 count = len; /* in objects.. */
3540 if (count > (sizeof(buffer)/width)) {
3541 count = (sizeof(buffer)/width);
3542 }
3543
3544 v = 0; /* shut up gcc */
3545 for (i = 0 ;i < count ;i++, n++) {
3546 get_int_array_element(interp, varname, n, &v);
3547 switch (width) {
3548 case 4:
3549 target_buffer_set_u32(target, &buffer[i*width], v);
3550 break;
3551 case 2:
3552 target_buffer_set_u16(target, &buffer[i*width], v);
3553 break;
3554 case 1:
3555 buffer[i] = v & 0x0ff;
3556 break;
3557 }
3558 }
3559 len -= count;
3560
3561 retval = target_write_memory(target, addr, width, count, buffer);
3562 if (retval != ERROR_OK) {
3563 /* BOO !*/
3564 LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed",
3565 (unsigned int)addr,
3566 (int)width,
3567 (int)count);
3568 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3569 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3570 e = JIM_ERR;
3571 len = 0;
3572 }
3573 }
3574
3575 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3576
3577 return JIM_OK;
3578 }
3579
3580 void target_all_handle_event(enum target_event e)
3581 {
3582 target_t *target;
3583
3584 LOG_DEBUG("**all*targets: event: %d, %s",
3585 (int)e,
3586 Jim_Nvp_value2name_simple(nvp_target_event, e)->name);
3587
3588 target = all_targets;
3589 while (target) {
3590 target_handle_event(target, e);
3591 target = target->next;
3592 }
3593 }
3594
3595
3596 /* FIX? should we propagate errors here rather than printing them
3597 * and continuing?
3598 */
3599 void target_handle_event(target_t *target, enum target_event e)
3600 {
3601 target_event_action_t *teap;
3602
3603 for (teap = target->event_action; teap != NULL; teap = teap->next) {
3604 if (teap->event == e) {
3605 LOG_DEBUG("target: (%d) %s (%s) event: %d (%s) action: %s",
3606 target->target_number,
3607 target->cmd_name,
3608 target_get_name(target),
3609 e,
3610 Jim_Nvp_value2name_simple(nvp_target_event, e)->name,
3611 Jim_GetString(teap->body, NULL));
3612 if (Jim_EvalObj(interp, teap->body) != JIM_OK)
3613 {
3614 Jim_PrintErrorMessage(interp);
3615 }
3616 }
3617 }
3618 }
3619
3620 enum target_cfg_param {
3621 TCFG_TYPE,
3622 TCFG_EVENT,
3623 TCFG_WORK_AREA_VIRT,
3624 TCFG_WORK_AREA_PHYS,
3625 TCFG_WORK_AREA_SIZE,
3626 TCFG_WORK_AREA_BACKUP,
3627 TCFG_ENDIAN,
3628 TCFG_VARIANT,
3629 TCFG_CHAIN_POSITION,
3630 };
3631
3632 static Jim_Nvp nvp_config_opts[] = {
3633 { .name = "-type", .value = TCFG_TYPE },
3634 { .name = "-event", .value = TCFG_EVENT },
3635 { .name = "-work-area-virt", .value = TCFG_WORK_AREA_VIRT },
3636 { .name = "-work-area-phys", .value = TCFG_WORK_AREA_PHYS },
3637 { .name = "-work-area-size", .value = TCFG_WORK_AREA_SIZE },
3638 { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3639 { .name = "-endian" , .value = TCFG_ENDIAN },
3640 { .name = "-variant", .value = TCFG_VARIANT },
3641 { .name = "-chain-position", .value = TCFG_CHAIN_POSITION },
3642
3643 { .name = NULL, .value = -1 }
3644 };
3645
3646 static int target_configure(Jim_GetOptInfo *goi, target_t *target)
3647 {
3648 Jim_Nvp *n;
3649 Jim_Obj *o;
3650 jim_wide w;
3651 char *cp;
3652 int e;
3653
3654 /* parse config or cget options ... */
3655 while (goi->argc > 0) {
3656 Jim_SetEmptyResult(goi->interp);
3657 /* Jim_GetOpt_Debug(goi); */
3658
3659 if (target->type->target_jim_configure) {
3660 /* target defines a configure function */
3661 /* target gets first dibs on parameters */
3662 e = (*(target->type->target_jim_configure))(target, goi);
3663 if (e == JIM_OK) {
3664 /* more? */
3665 continue;
3666 }
3667 if (e == JIM_ERR) {
3668 /* An error */
3669 return e;
3670 }
3671 /* otherwise we 'continue' below */
3672 }
3673 e = Jim_GetOpt_Nvp(goi, nvp_config_opts, &n);
3674 if (e != JIM_OK) {
3675 Jim_GetOpt_NvpUnknown(goi, nvp_config_opts, 0);
3676 return e;
3677 }
3678 switch (n->value) {
3679 case TCFG_TYPE:
3680 /* not setable */
3681 if (goi->isconfigure) {
3682 Jim_SetResult_sprintf(goi->interp, "not setable: %s", n->name);
3683 return JIM_ERR;
3684 } else {
3685 no_params:
3686 if (goi->argc != 0) {
3687 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "NO PARAMS");
3688 return JIM_ERR;
3689 }
3690 }
3691 Jim_SetResultString(goi->interp, target_get_name(target), -1);
3692 /* loop for more */
3693 break;
3694 case TCFG_EVENT:
3695 if (goi->argc == 0) {
3696 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3697 return JIM_ERR;
3698 }
3699
3700 e = Jim_GetOpt_Nvp(goi, nvp_target_event, &n);
3701 if (e != JIM_OK) {
3702 Jim_GetOpt_NvpUnknown(goi, nvp_target_event, 1);
3703 return e;
3704 }
3705
3706 if (goi->isconfigure) {
3707 if (goi->argc != 1) {
3708 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3709 return JIM_ERR;
3710 }
3711 } else {
3712 if (goi->argc != 0) {
3713 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3714 return JIM_ERR;
3715 }
3716 }
3717
3718 {
3719 target_event_action_t *teap;
3720
3721 teap = target->event_action;
3722 /* replace existing? */
3723 while (teap) {
3724 if (teap->event == (enum target_event)n->value) {
3725 break;
3726 }
3727 teap = teap->next;
3728 }
3729
3730 if (goi->isconfigure) {
3731 bool replace = true;
3732 if (teap == NULL) {
3733 /* create new */
3734 teap = calloc(1, sizeof(*teap));
3735 replace = false;
3736 }
3737 teap->event = n->value;
3738 Jim_GetOpt_Obj(goi, &o);
3739 if (teap->body) {
3740 Jim_DecrRefCount(interp, teap->body);
3741 }
3742 teap->body = Jim_DuplicateObj(goi->interp, o);
3743 /*
3744 * FIXME:
3745 * Tcl/TK - "tk events" have a nice feature.
3746 * See the "BIND" command.
3747 * We should support that here.
3748 * You can specify %X and %Y in the event code.
3749 * The idea is: %T - target name.
3750 * The idea is: %N - target number
3751 * The idea is: %E - event name.
3752 */
3753 Jim_IncrRefCount(teap->body);
3754
3755 if (!replace)
3756 {
3757 /* add to head of event list */
3758 teap->next = target->event_action;
3759 target->event_action = teap;
3760 }
3761 Jim_SetEmptyResult(goi->interp);
3762 } else {
3763 /* get */
3764 if (teap == NULL) {
3765 Jim_SetEmptyResult(goi->interp);
3766 } else {
3767 Jim_SetResult(goi->interp, Jim_DuplicateObj(goi->interp, teap->body));
3768 }
3769 }
3770 }
3771 /* loop for more */
3772 break;
3773
3774 case TCFG_WORK_AREA_VIRT:
3775 if (goi->isconfigure) {
3776 target_free_all_working_areas(target);
3777 e = Jim_GetOpt_Wide(goi, &w);
3778 if (e != JIM_OK) {
3779 return e;
3780 }
3781 target->working_area_virt = w;
3782 target->working_area_virt_spec = true;
3783 } else {
3784 if (goi->argc != 0) {
3785 goto no_params;
3786 }
3787 }
3788 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_virt));
3789 /* loop for more */
3790 break;
3791
3792 case TCFG_WORK_AREA_PHYS:
3793 if (goi->isconfigure) {
3794 target_free_all_working_areas(target);
3795 e = Jim_GetOpt_Wide(goi, &w);
3796 if (e != JIM_OK) {
3797 return e;
3798 }
3799 target->working_area_phys = w;
3800 target->working_area_phys_spec = true;
3801 } else {
3802 if (goi->argc != 0) {
3803 goto no_params;
3804 }
3805 }
3806 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_phys));
3807 /* loop for more */
3808 break;
3809
3810 case TCFG_WORK_AREA_SIZE:
3811 if (goi->isconfigure) {
3812 target_free_all_working_areas(target);
3813 e = Jim_GetOpt_Wide(goi, &w);
3814 if (e != JIM_OK) {
3815 return e;
3816 }
3817 target->working_area_size = w;
3818 } else {
3819 if (goi->argc != 0) {
3820 goto no_params;
3821 }
3822 }
3823 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_size));
3824 /* loop for more */
3825 break;
3826
3827 case TCFG_WORK_AREA_BACKUP:
3828 if (goi->isconfigure) {
3829 target_free_all_working_areas(target);
3830 e = Jim_GetOpt_Wide(goi, &w);
3831 if (e != JIM_OK) {
3832 return e;
3833 }
3834 /* make this exactly 1 or 0 */
3835 target->backup_working_area = (!!w);
3836 } else {
3837 if (goi->argc != 0) {
3838 goto no_params;
3839 }
3840 }
3841 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->backup_working_area));
3842 /* loop for more e*/
3843 break;
3844
3845 case TCFG_ENDIAN:
3846 if (goi->isconfigure) {
3847 e = Jim_GetOpt_Nvp(goi, nvp_target_endian, &n);
3848 if (e != JIM_OK) {
3849 Jim_GetOpt_NvpUnknown(goi, nvp_target_endian, 1);
3850 return e;
3851 }
3852 target->endianness = n->value;
3853 } else {
3854 if (goi->argc != 0) {
3855 goto no_params;
3856 }
3857 }
3858 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
3859 if (n->name == NULL) {
3860 target->endianness = TARGET_LITTLE_ENDIAN;
3861 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
3862 }
3863 Jim_SetResultString(goi->interp, n->name, -1);
3864 /* loop for more */
3865 break;
3866
3867 case TCFG_VARIANT:
3868 if (goi->isconfigure) {
3869 if (goi->argc < 1) {
3870 Jim_SetResult_sprintf(goi->interp,
3871 "%s ?STRING?",
3872 n->name);
3873 return JIM_ERR;
3874 }
3875 if (target->variant) {
3876 free((void *)(target->variant));
3877 }
3878 e = Jim_GetOpt_String(goi, &cp, NULL);
3879 target->variant = strdup(cp);
3880 } else {
3881 if (goi->argc != 0) {
3882 goto no_params;
3883 }
3884 }
3885 Jim_SetResultString(goi->interp, target->variant,-1);
3886 /* loop for more */
3887 break;
3888 case TCFG_CHAIN_POSITION:
3889 if (goi->isconfigure) {
3890 Jim_Obj *o;
3891 jtag_tap_t *tap;
3892 target_free_all_working_areas(target);
3893 e = Jim_GetOpt_Obj(goi, &o);
3894 if (e != JIM_OK) {
3895 return e;
3896 }
3897 tap = jtag_tap_by_jim_obj(goi->interp, o);
3898 if (tap == NULL) {
3899 return JIM_ERR;
3900 }
3901 /* make this exactly 1 or 0 */
3902 target->tap = tap;
3903 } else {
3904 if (goi->argc != 0) {
3905 goto no_params;
3906 }
3907 }
3908 Jim_SetResultString(interp, target->tap->dotted_name, -1);
3909 /* loop for more e*/
3910 break;
3911 }
3912 } /* while (goi->argc) */
3913
3914
3915 /* done - we return */
3916 return JIM_OK;
3917 }
3918
3919 /** this is the 'tcl' handler for the target specific command */
3920 static int tcl_target_func(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3921 {
3922 Jim_GetOptInfo goi;
3923 jim_wide a,b,c;
3924 int x,y,z;
3925 uint8_t target_buf[32];
3926 Jim_Nvp *n;
3927 target_t *target;
3928 struct command_context_s *cmd_ctx;
3929 int e;
3930
3931 enum {
3932 TS_CMD_CONFIGURE,
3933 TS_CMD_CGET,
3934
3935 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3936 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3937 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3938 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3939 TS_CMD_EXAMINE,
3940 TS_CMD_POLL,
3941 TS_CMD_RESET,
3942 TS_CMD_HALT,
3943 TS_CMD_WAITSTATE,
3944 TS_CMD_EVENTLIST,
3945 TS_CMD_CURSTATE,
3946 TS_CMD_INVOKE_EVENT,
3947 };
3948
3949 static const Jim_Nvp target_options[] = {
3950 { .name = "configure", .value = TS_CMD_CONFIGURE },
3951 { .name = "cget", .value = TS_CMD_CGET },
3952 { .name = "mww", .value = TS_CMD_MWW },
3953 { .name = "mwh", .value = TS_CMD_MWH },
3954 { .name = "mwb", .value = TS_CMD_MWB },
3955 { .name = "mdw", .value = TS_CMD_MDW },
3956 { .name = "mdh", .value = TS_CMD_MDH },
3957 { .name = "mdb", .value = TS_CMD_MDB },
3958 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3959 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3960 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3961 { .name = "curstate", .value = TS_CMD_CURSTATE },
3962
3963 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3964 { .name = "arp_poll", .value = TS_CMD_POLL },
3965 { .name = "arp_reset", .value = TS_CMD_RESET },
3966 { .name = "arp_halt", .value = TS_CMD_HALT },
3967 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3968 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3969
3970 { .name = NULL, .value = -1 },
3971 };
3972
3973 /* go past the "command" */
3974 Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
3975
3976 target = Jim_CmdPrivData(goi.interp);
3977 cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3978
3979 /* commands here are in an NVP table */
3980 e = Jim_GetOpt_Nvp(&goi, target_options, &n);
3981 if (e != JIM_OK) {
3982 Jim_GetOpt_NvpUnknown(&goi, target_options, 0);
3983 return e;
3984 }
3985 /* Assume blank result */
3986 Jim_SetEmptyResult(goi.interp);
3987
3988 switch (n->value) {
3989 case TS_CMD_CONFIGURE:
3990 if (goi.argc < 2) {
3991 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3992 return JIM_ERR;
3993 }
3994 goi.isconfigure = 1;
3995 return target_configure(&goi, target);
3996 case TS_CMD_CGET:
3997 // some things take params
3998 if (goi.argc < 1) {
3999 Jim_WrongNumArgs(goi.interp, 0, goi.argv, "missing: ?-option?");
4000 return JIM_ERR;
4001 }
4002 goi.isconfigure = 0;
4003 return target_configure(&goi, target);
4004 break;
4005 case TS_CMD_MWW:
4006 case TS_CMD_MWH:
4007 case TS_CMD_MWB:
4008 /* argv[0] = cmd
4009 * argv[1] = address
4010 * argv[2] = data
4011 * argv[3] = optional count.
4012 */
4013
4014 if ((goi.argc == 2) || (goi.argc == 3)) {
4015 /* all is well */
4016 } else {
4017 mwx_error:
4018 Jim_SetResult_sprintf(goi.interp, "expected: %s ADDR DATA [COUNT]", n->name);
4019 return JIM_ERR;
4020 }
4021
4022 e = Jim_GetOpt_Wide(&goi, &a);
4023 if (e != JIM_OK) {
4024 goto mwx_error;
4025 }
4026
4027 e = Jim_GetOpt_Wide(&goi, &b);
4028 if (e != JIM_OK) {
4029 goto mwx_error;
4030 }
4031 if (goi.argc == 3) {
4032 e = Jim_GetOpt_Wide(&goi, &c);
4033 if (e != JIM_OK) {
4034 goto mwx_error;
4035 }
4036 } else {
4037 c = 1;
4038 }
4039
4040 switch (n->value) {
4041 case TS_CMD_MWW:
4042 target_buffer_set_u32(target, target_buf, b);
4043 b = 4;
4044 break;
4045 case TS_CMD_MWH:
4046 target_buffer_set_u16(target, target_buf, b);
4047 b = 2;
4048 break;
4049 case TS_CMD_MWB:
4050 target_buffer_set_u8(target, target_buf, b);
4051 b = 1;
4052 break;
4053 }
4054 for (x = 0 ; x < c ; x++) {
4055 e = target_write_memory(target, a, b, 1, target_buf);
4056 if (e != ERROR_OK) {
4057 Jim_SetResult_sprintf(interp, "Error writing @ 0x%08x: %d\n", (int)(a), e);
4058 return JIM_ERR;
4059 }
4060 /* b = width */
4061 a = a + b;
4062 }
4063 return JIM_OK;
4064 break;
4065
4066 /* display */
4067 case TS_CMD_MDW:
4068 case TS_CMD_MDH:
4069 case TS_CMD_MDB:
4070 /* argv[0] = command
4071 * argv[1] = address
4072 * argv[2] = optional count
4073 */
4074 if ((goi.argc == 2) || (goi.argc == 3)) {
4075 Jim_SetResult_sprintf(goi.interp, "expected: %s ADDR [COUNT]", n->name);
4076 return JIM_ERR;
4077 }
4078 e = Jim_GetOpt_Wide(&goi, &a);
4079 if (e != JIM_OK) {
4080 return JIM_ERR;
4081 }
4082 if (goi.argc) {
4083 e = Jim_GetOpt_Wide(&goi, &c);
4084 if (e != JIM_OK) {
4085 return JIM_ERR;
4086 }
4087 } else {
4088 c = 1;
4089 }
4090 b = 1; /* shut up gcc */
4091 switch (n->value) {
4092 case TS_CMD_MDW:
4093 b = 4;
4094 break;
4095 case TS_CMD_MDH:
4096 b = 2;
4097 break;
4098 case TS_CMD_MDB:
4099 b = 1;
4100 break;
4101 }
4102
4103 /* convert to "bytes" */
4104 c = c * b;
4105 /* count is now in 'BYTES' */
4106 while (c > 0) {
4107 y = c;
4108 if (y > 16) {
4109 y = 16;
4110 }
4111 e = target_read_memory(target, a, b, y / b, target_buf);
4112 if (e != ERROR_OK) {
4113 Jim_SetResult_sprintf(interp, "error reading target @ 0x%08lx", (int)(a));
4114 return JIM_ERR;
4115 }
4116
4117 Jim_fprintf(interp, interp->cookie_stdout, "0x%08x ", (int)(a));
4118 switch (b) {
4119 case 4:
4120 for (x = 0 ; (x < 16) && (x < y) ; x += 4) {
4121 z = target_buffer_get_u32(target, &(target_buf[ x * 4 ]));
4122 Jim_fprintf(interp, interp->cookie_stdout, "%08x ", (int)(z));
4123 }
4124 for (; (x < 16) ; x += 4) {
4125 Jim_fprintf(interp, interp->cookie_stdout, " ");
4126 }
4127 break;
4128 case 2:
4129 for (x = 0 ; (x < 16) && (x < y) ; x += 2) {
4130 z = target_buffer_get_u16(target, &(target_buf[ x * 2 ]));
4131 Jim_fprintf(interp, interp->cookie_stdout, "%04x ", (int)(z));
4132 }
4133 for (; (x < 16) ; x += 2) {
4134 Jim_fprintf(interp, interp->cookie_stdout, " ");
4135 }
4136 break;
4137 case 1:
4138 default:
4139 for (x = 0 ; (x < 16) && (x < y) ; x += 1) {
4140 z = target_buffer_get_u8(target, &(target_buf[ x * 4 ]));
4141 Jim_fprintf(interp, interp->cookie_stdout, "%02x ", (int)(z));
4142 }
4143 for (; (x < 16) ; x += 1) {
4144 Jim_fprintf(interp, interp->cookie_stdout, " ");
4145 }
4146 break;
4147 }
4148 /* ascii-ify the bytes */
4149 for (x = 0 ; x < y ; x++) {
4150 if ((target_buf[x] >= 0x20) &&
4151 (target_buf[x] <= 0x7e)) {
4152 /* good */
4153 } else {
4154 /* smack it */
4155 target_buf[x] = '.';
4156 }
4157 }
4158 /* space pad */
4159 while (x < 16) {
4160 target_buf[x] = ' ';
4161 x++;
4162 }
4163 /* terminate */
4164 target_buf[16] = 0;
4165 /* print - with a newline */
4166 Jim_fprintf(interp, interp->cookie_stdout, "%s\n", target_buf);
4167 /* NEXT... */
4168 c -= 16;
4169 a += 16;
4170 }
4171 return JIM_OK;
4172 case TS_CMD_MEM2ARRAY:
4173 return target_mem2array(goi.interp, target, goi.argc, goi.argv);
4174 break;
4175 case TS_CMD_ARRAY2MEM:
4176 return target_array2mem(goi.interp, target, goi.argc, goi.argv);
4177 break;
4178 case TS_CMD_EXAMINE:
4179 if (goi.argc) {
4180 Jim_WrongNumArgs(goi.interp, 2, argv, "[no parameters]");
4181 return JIM_ERR;
4182 }
4183 if (!target->tap->enabled)
4184 goto err_tap_disabled;
4185 e = target->type->examine(target);
4186 if (e != ERROR_OK) {
4187 Jim_SetResult_sprintf(interp, "examine-fails: %d", e);
4188 return JIM_ERR;
4189 }
4190 return JIM_OK;
4191 case TS_CMD_POLL:
4192 if (goi.argc) {
4193 Jim_WrongNumArgs(goi.interp, 2, argv, "[no parameters]");
4194 return JIM_ERR;
4195 }
4196 if (!target->tap->enabled)
4197 goto err_tap_disabled;
4198 if (!(target_was_examined(target))) {
4199 e = ERROR_TARGET_NOT_EXAMINED;
4200 } else {
4201 e = target->type->poll(target);
4202 }
4203 if (e != ERROR_OK) {
4204 Jim_SetResult_sprintf(interp, "poll-fails: %d", e);
4205 return JIM_ERR;
4206 } else {
4207 return JIM_OK;
4208 }
4209 break;
4210 case TS_CMD_RESET:
4211 if (goi.argc != 2) {
4212 Jim_WrongNumArgs(interp, 2, argv,
4213 "([tT]|[fF]|assert|deassert) BOOL");
4214 return JIM_ERR;
4215 }
4216 e = Jim_GetOpt_Nvp(&goi, nvp_assert, &n);
4217 if (e != JIM_OK) {
4218 Jim_GetOpt_NvpUnknown(&goi, nvp_assert, 1);
4219 return e;
4220 }
4221 /* the halt or not param */
4222 e = Jim_GetOpt_Wide(&goi, &a);
4223 if (e != JIM_OK) {
4224 return e;
4225 }
4226 if (!target->tap->enabled)
4227 goto err_tap_disabled;
4228 if (!target->type->assert_reset
4229 || !target->type->deassert_reset) {
4230 Jim_SetResult_sprintf(interp,
4231 "No target-specific reset for %s",
4232 target->cmd_name);
4233 return JIM_ERR;
4234 }
4235 /* determine if we should halt or not. */
4236 target->reset_halt = !!a;
4237 /* When this happens - all workareas are invalid. */
4238 target_free_all_working_areas_restore(target, 0);
4239
4240 /* do the assert */
4241 if (n->value == NVP_ASSERT) {
4242 e = target->type->assert_reset(target);
4243 } else {
4244 e = target->type->deassert_reset(target);
4245 }
4246 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4247 case TS_CMD_HALT:
4248 if (goi.argc) {
4249 Jim_WrongNumArgs(goi.interp, 0, argv, "halt [no parameters]");
4250 return JIM_ERR;
4251 }
4252 if (!target->tap->enabled)
4253 goto err_tap_disabled;
4254 e = target->type->halt(target);
4255 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4256 case TS_CMD_WAITSTATE:
4257 /* params: <name> statename timeoutmsecs */
4258 if (goi.argc != 2) {
4259 Jim_SetResult_sprintf(goi.interp, "%s STATENAME TIMEOUTMSECS", n->name);
4260 return JIM_ERR;
4261 }
4262 e = Jim_GetOpt_Nvp(&goi, nvp_target_state, &n);
4263 if (e != JIM_OK) {
4264 Jim_GetOpt_NvpUnknown(&goi, nvp_target_state,1);
4265 return e;
4266 }
4267 e = Jim_GetOpt_Wide(&goi, &a);
4268 if (e != JIM_OK) {
4269 return e;
4270 }
4271 if (!target->tap->enabled)
4272 goto err_tap_disabled;
4273 e = target_wait_state(target, n->value, a);
4274 if (e != ERROR_OK) {
4275 Jim_SetResult_sprintf(goi.interp,
4276 "target: %s wait %s fails (%d) %s",
4277 target->cmd_name,
4278 n->name,
4279 e, target_strerror_safe(e));
4280 return JIM_ERR;
4281 } else {
4282 return JIM_OK;
4283 }
4284 case TS_CMD_EVENTLIST:
4285 /* List for human, Events defined for this target.
4286 * scripts/programs should use 'name cget -event NAME'
4287 */
4288 {
4289 target_event_action_t *teap;
4290 teap = target->event_action;
4291 command_print(cmd_ctx, "Event actions for target (%d) %s\n",
4292 target->target_number,
4293 target->cmd_name);
4294 command_print(cmd_ctx, "%-25s | Body", "Event");
4295 command_print(cmd_ctx, "------------------------- | ----------------------------------------");
4296 while (teap) {
4297 command_print(cmd_ctx,
4298 "%-25s | %s",
4299 Jim_Nvp_value2name_simple(nvp_target_event, teap->event)->name,
4300 Jim_GetString(teap->body, NULL));
4301 teap = teap->next;
4302 }
4303 command_print(cmd_ctx, "***END***");
4304 return JIM_OK;
4305 }
4306 case TS_CMD_CURSTATE:
4307 if (goi.argc != 0) {
4308 Jim_WrongNumArgs(goi.interp, 0, argv, "[no parameters]");
4309 return JIM_ERR;
4310 }
4311 Jim_SetResultString(goi.interp,
4312 target_state_name( target ),
4313 -1);
4314 return JIM_OK;
4315 case TS_CMD_INVOKE_EVENT:
4316 if (goi.argc != 1) {
4317 Jim_SetResult_sprintf(goi.interp, "%s ?EVENTNAME?",n->name);
4318 return JIM_ERR;
4319 }
4320 e = Jim_GetOpt_Nvp(&goi, nvp_target_event, &n);
4321 if (e != JIM_OK) {
4322 Jim_GetOpt_NvpUnknown(&goi, nvp_target_event, 1);
4323 return e;
4324 }
4325 target_handle_event(target, n->value);
4326 return JIM_OK;
4327 }
4328 return JIM_ERR;
4329
4330 err_tap_disabled:
4331 Jim_SetResult_sprintf(interp, "[TAP is disabled]");
4332 return JIM_ERR;
4333 }
4334
4335 static int target_create(Jim_GetOptInfo *goi)
4336 {
4337 Jim_Obj *new_cmd;
4338 Jim_Cmd *cmd;
4339 const char *cp;
4340 char *cp2;
4341 int e;
4342 int x;
4343 target_t *target;
4344 struct command_context_s *cmd_ctx;
4345
4346 cmd_ctx = Jim_GetAssocData(goi->interp, "context");
4347 if (goi->argc < 3) {
4348 Jim_WrongNumArgs(goi->interp, 1, goi->argv, "?name? ?type? ..options...");
4349 return JIM_ERR;
4350 }
4351
4352 /* COMMAND */
4353 Jim_GetOpt_Obj(goi, &new_cmd);
4354 /* does this command exist? */
4355 cmd = Jim_GetCommand(goi->interp, new_cmd, JIM_ERRMSG);
4356 if (cmd) {
4357 cp = Jim_GetString(new_cmd, NULL);
4358 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
4359 return JIM_ERR;
4360 }
4361
4362 /* TYPE */
4363 e = Jim_GetOpt_String(goi, &cp2, NULL);
4364 cp = cp2;
4365 /* now does target type exist */
4366 for (x = 0 ; target_types[x] ; x++) {
4367 if (0 == strcmp(cp, target_types[x]->name)) {
4368 /* found */
4369 break;
4370 }
4371 }
4372 if (target_types[x] == NULL) {
4373 Jim_SetResult_sprintf(goi->interp, "Unknown target type %s, try one of ", cp);
4374 for (x = 0 ; target_types[x] ; x++) {
4375 if (target_types[x + 1]) {
4376 Jim_AppendStrings(goi->interp,
4377 Jim_GetResult(goi->interp),
4378 target_types[x]->name,
4379 ", ", NULL);
4380 } else {
4381 Jim_AppendStrings(goi->interp,
4382 Jim_GetResult(goi->interp),
4383 " or ",
4384 target_types[x]->name,NULL);
4385 }
4386 }
4387 return JIM_ERR;
4388 }
4389
4390 /* Create it */
4391 target = calloc(1,sizeof(target_t));
4392 /* set target number */
4393 target->target_number = new_target_number();
4394
4395 /* allocate memory for each unique target type */
4396 target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
4397
4398 memcpy(target->type, target_types[x], sizeof(target_type_t));
4399
4400 /* will be set by "-endian" */
4401 target->endianness = TARGET_ENDIAN_UNKNOWN;
4402
4403 target->working_area = 0x0;
4404 target->working_area_size = 0x0;
4405 target->working_areas = NULL;
4406 target->backup_working_area = 0;
4407
4408 target->state = TARGET_UNKNOWN;
4409 target->debug_reason = DBG_REASON_UNDEFINED;
4410 target->reg_cache = NULL;
4411 target->breakpoints = NULL;
4412 target->watchpoints = NULL;
4413 target->next = NULL;
4414 target->arch_info = NULL;
4415
4416 target->display = 1;
4417
4418 target->halt_issued = false;
4419
4420 /* initialize trace information */
4421 target->trace_info = malloc(sizeof(trace_t));
4422 target->trace_info->num_trace_points = 0;
4423 target->trace_info->trace_points_size = 0;
4424 target->trace_info->trace_points = NULL;
4425 target->trace_info->trace_history_size = 0;
4426 target->trace_info->trace_history = NULL;
4427 target->trace_info->trace_history_pos = 0;
4428 target->trace_info->trace_history_overflowed = 0;
4429
4430 target->dbgmsg = NULL;
4431 target->dbg_msg_enabled = 0;
4432
4433 target->endianness = TARGET_ENDIAN_UNKNOWN;
4434
4435 /* Do the rest as "configure" options */
4436 goi->isconfigure = 1;
4437 e = target_configure(goi, target);
4438
4439 if (target->tap == NULL)
4440 {
4441 Jim_SetResultString(interp, "-chain-position required when creating target", -1);
4442 e = JIM_ERR;
4443 }
4444
4445 if (e != JIM_OK) {
4446 free(target->type);
4447 free(target);
4448 return e;
4449 }
4450
4451 if (target->endianness == TARGET_ENDIAN_UNKNOWN) {
4452 /* default endian to little if not specified */
4453 target->endianness = TARGET_LITTLE_ENDIAN;
4454 }
4455
4456 /* incase variant is not set */
4457 if (!target->variant)
4458 target->variant = strdup("");
4459
4460 /* create the target specific commands */
4461 if (target->type->register_commands) {
4462 (*(target->type->register_commands))(cmd_ctx);
4463 }
4464 if (target->type->target_create) {
4465 (*(target->type->target_create))(target, goi->interp);
4466 }
4467
4468 /* append to end of list */
4469 {
4470 target_t **tpp;
4471 tpp = &(all_targets);
4472 while (*tpp) {
4473 tpp = &((*tpp)->next);
4474 }
4475 *tpp = target;
4476 }
4477
4478 cp = Jim_GetString(new_cmd, NULL);
4479 target->cmd_name = strdup(cp);
4480
4481 /* now - create the new target name command */
4482 e = Jim_CreateCommand(goi->interp,
4483 /* name */
4484 cp,
4485 tcl_target_func, /* C function */
4486 target, /* private data */
4487 NULL); /* no del proc */
4488
4489 return e;
4490 }
4491
4492 static int jim_target(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4493 {
4494 int x,r,e;
4495 jim_wide w;
4496 struct command_context_s *cmd_ctx;
4497 target_t *target;
4498 Jim_GetOptInfo goi;
4499 enum tcmd {
4500 /* TG = target generic */
4501 TG_CMD_CREATE,
4502 TG_CMD_TYPES,
4503 TG_CMD_NAMES,
4504 TG_CMD_CURRENT,
4505 TG_CMD_NUMBER,
4506 TG_CMD_COUNT,
4507 };
4508 const char *target_cmds[] = {
4509 "create", "types", "names", "current", "number",
4510 "count",
4511 NULL /* terminate */
4512 };
4513
4514 LOG_DEBUG("Target command params:");
4515 LOG_DEBUG("%s", Jim_Debug_ArgvString(interp, argc, argv));
4516
4517 cmd_ctx = Jim_GetAssocData(interp, "context");
4518
4519 Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
4520
4521 if (goi.argc == 0) {
4522 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
4523 return JIM_ERR;
4524 }
4525
4526 /* Jim_GetOpt_Debug(&goi); */
4527 r = Jim_GetOpt_Enum(&goi, target_cmds, &x);
4528 if (r != JIM_OK) {
4529 return r;
4530 }
4531
4532 switch (x) {
4533 default:
4534 Jim_Panic(goi.interp,"Why am I here?");
4535 return JIM_ERR;
4536 case TG_CMD_CURRENT:
4537 if (goi.argc != 0) {
4538 Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4539 return JIM_ERR;
4540 }
4541 Jim_SetResultString(goi.interp, get_current_target(cmd_ctx)->cmd_name, -1);
4542 return JIM_OK;
4543 case TG_CMD_TYPES:
4544 if (goi.argc != 0) {
4545 Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4546 return JIM_ERR;
4547 }
4548 Jim_SetResult(goi.interp, Jim_NewListObj(goi.interp, NULL, 0));
4549 for (x = 0 ; target_types[x] ; x++) {
4550 Jim_ListAppendElement(goi.interp,
4551 Jim_GetResult(goi.interp),
4552 Jim_NewStringObj(goi.interp, target_types[x]->name, -1));
4553 }
4554 return JIM_OK;
4555 case TG_CMD_NAMES:
4556 if (goi.argc != 0) {
4557 Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4558 return JIM_ERR;
4559 }
4560 Jim_SetResult(goi.interp, Jim_NewListObj(goi.interp, NULL, 0));
4561 target = all_targets;
4562 while (target) {
4563 Jim_ListAppendElement(goi.interp,
4564 Jim_GetResult(goi.interp),
4565 Jim_NewStringObj(goi.interp, target->cmd_name, -1));
4566 target = target->next;
4567 }
4568 return JIM_OK;
4569 case TG_CMD_CREATE:
4570 if (goi.argc < 3) {
4571 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv, "?name ... config options ...");
4572 return JIM_ERR;
4573 }
4574 return target_create(&goi);
4575 break;
4576 case TG_CMD_NUMBER:
4577 /* It's OK to remove this mechanism sometime after August 2010 or so */
4578 LOG_WARNING("don't use numbers as target identifiers; use names");
4579 if (goi.argc != 1) {
4580 Jim_SetResult_sprintf(goi.interp, "expected: target number ?NUMBER?");
4581 return JIM_ERR;
4582 }
4583 e = Jim_GetOpt_Wide(&goi, &w);
4584 if (e != JIM_OK) {
4585 return JIM_ERR;
4586 }
4587 for (x = 0, target = all_targets; target; target = target->next, x++) {
4588 if (target->target_number == w)
4589 break;
4590 }
4591 if (target == NULL) {
4592 Jim_SetResult_sprintf(goi.interp,
4593 "Target: number %d does not exist", (int)(w));
4594 return JIM_ERR;
4595 }
4596 Jim_SetResultString(goi.interp, target->cmd_name, -1);
4597 return JIM_OK;
4598 case TG_CMD_COUNT:
4599 if (goi.argc != 0) {
4600 Jim_WrongNumArgs(goi.interp, 0, goi.argv, "<no parameters>");
4601 return JIM_ERR;
4602 }
4603 for (x = 0, target = all_targets; target; target = target->next, x++)
4604 continue;
4605 Jim_SetResult(goi.interp, Jim_NewIntObj(goi.interp, x));
4606 return JIM_OK;
4607 }
4608
4609 return JIM_ERR;
4610 }
4611
4612
4613 struct FastLoad
4614 {
4615 uint32_t address;
4616 uint8_t *data;
4617 int length;
4618
4619 };
4620
4621 static int fastload_num;
4622 static struct FastLoad *fastload;
4623
4624 static void free_fastload(void)
4625 {
4626 if (fastload != NULL)
4627 {
4628 int i;
4629 for (i = 0; i < fastload_num; i++)
4630 {
4631 if (fastload[i].data)
4632 free(fastload[i].data);
4633 }
4634 free(fastload);
4635 fastload = NULL;
4636 }
4637 }
4638
4639
4640
4641
4642 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4643 {
4644 uint8_t *buffer;
4645 uint32_t buf_cnt;
4646 uint32_t image_size;
4647 uint32_t min_address = 0;
4648 uint32_t max_address = 0xffffffff;
4649 int i;
4650
4651 image_t image;
4652
4653 duration_t duration;
4654 char *duration_text;
4655
4656 int retval = parse_load_image_command_args(args, argc,
4657 &image, &min_address, &max_address);
4658 if (ERROR_OK != retval)
4659 return retval;
4660
4661 duration_start_measure(&duration);
4662
4663 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
4664 {
4665 return ERROR_OK;
4666 }
4667
4668 image_size = 0x0;
4669 retval = ERROR_OK;
4670 fastload_num = image.num_sections;
4671 fastload = (struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
4672 if (fastload == NULL)
4673 {
4674 image_close(&image);
4675 return ERROR_FAIL;
4676 }
4677 memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
4678 for (i = 0; i < image.num_sections; i++)
4679 {
4680 buffer = malloc(image.sections[i].size);
4681 if (buffer == NULL)
4682 {
4683 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)",
4684 (int)(image.sections[i].size));
4685 break;
4686 }
4687
4688 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
4689 {
4690 free(buffer);
4691 break;
4692 }
4693
4694 uint32_t offset = 0;
4695 uint32_t length = buf_cnt;
4696
4697
4698 /* DANGER!!! beware of unsigned comparision here!!! */
4699
4700 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
4701 (image.sections[i].base_address < max_address))
4702 {
4703 if (image.sections[i].base_address < min_address)
4704 {
4705 /* clip addresses below */
4706 offset += min_address-image.sections[i].base_address;
4707 length -= offset;
4708 }
4709
4710 if (image.sections[i].base_address + buf_cnt > max_address)
4711 {
4712 length -= (image.sections[i].base_address + buf_cnt)-max_address;
4713 }
4714
4715 fastload[i].address = image.sections[i].base_address + offset;
4716 fastload[i].data = malloc(length);
4717 if (fastload[i].data == NULL)
4718 {
4719 free(buffer);
4720 break;
4721 }
4722 memcpy(fastload[i].data, buffer + offset, length);
4723 fastload[i].length = length;
4724
4725 image_size += length;
4726 command_print(cmd_ctx, "%u bytes written at address 0x%8.8x",
4727 (unsigned int)length,
4728 ((unsigned int)(image.sections[i].base_address + offset)));
4729 }
4730
4731 free(buffer);
4732 }
4733
4734 duration_stop_measure(&duration, &duration_text);
4735 if (retval == ERROR_OK)
4736 {
4737 command_print(cmd_ctx, "Loaded %u bytes in %s", (unsigned int)image_size, duration_text);
4738 command_print(cmd_ctx, "NB!!! image has not been loaded to target, issue a subsequent 'fast_load' to do so.");
4739 }
4740 free(duration_text);
4741
4742 image_close(&image);
4743
4744 if (retval != ERROR_OK)
4745 {
4746 free_fastload();
4747 }
4748
4749 return retval;
4750 }
4751
4752 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4753 {
4754 if (argc > 0)
4755 return ERROR_COMMAND_SYNTAX_ERROR;
4756 if (fastload == NULL)
4757 {
4758 LOG_ERROR("No image in memory");
4759 return ERROR_FAIL;
4760 }
4761 int i;
4762 int ms = timeval_ms();
4763 int size = 0;
4764 int retval = ERROR_OK;
4765 for (i = 0; i < fastload_num;i++)
4766 {
4767 target_t *target = get_current_target(cmd_ctx);
4768 command_print(cmd_ctx, "Write to 0x%08x, length 0x%08x",
4769 (unsigned int)(fastload[i].address),
4770 (unsigned int)(fastload[i].length));
4771 if (retval == ERROR_OK)
4772 {
4773 retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
4774 }
4775 size += fastload[i].length;
4776 }
4777 int after = timeval_ms();
4778 command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
4779 return retval;
4780 }
4781
4782 static int jim_mcrmrc(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4783 {
4784 command_context_t *context;
4785 target_t *target;
4786 int retval;
4787
4788 context = Jim_GetAssocData(interp, "context");
4789 if (context == NULL) {
4790 LOG_ERROR("array2mem: no command context");
4791 return JIM_ERR;
4792 }
4793 target = get_current_target(context);
4794 if (target == NULL) {
4795 LOG_ERROR("array2mem: no current target");
4796 return JIM_ERR;
4797 }
4798
4799 if ((argc < 6) || (argc > 7))
4800 {
4801 return JIM_ERR;
4802 }
4803
4804 int cpnum;
4805 uint32_t op1;
4806 uint32_t op2;
4807 uint32_t CRn;
4808 uint32_t CRm;
4809 uint32_t value;
4810
4811 int e;
4812 long l;
4813 e = Jim_GetLong(interp, argv[1], &l);
4814 if (e != JIM_OK) {
4815 return e;
4816 }
4817 cpnum = l;
4818
4819 e = Jim_GetLong(interp, argv[2], &l);
4820 if (e != JIM_OK) {
4821 return e;
4822 }
4823 op1 = l;
4824
4825 e = Jim_GetLong(interp, argv[3], &l);
4826 if (e != JIM_OK) {
4827 return e;
4828 }
4829 op2 = l;
4830
4831 e = Jim_GetLong(interp, argv[4], &l);
4832 if (e != JIM_OK) {
4833 return e;
4834 }
4835 CRn = l;
4836
4837 e = Jim_GetLong(interp, argv[5], &l);
4838 if (e != JIM_OK) {
4839 return e;
4840 }
4841 CRm = l;
4842
4843 value = 0;
4844
4845 if (argc == 7)
4846 {
4847 e = Jim_GetLong(interp, argv[6], &l);
4848 if (e != JIM_OK) {
4849 return e;
4850 }
4851 value = l;
4852
4853 retval = target_mcr(target, cpnum, op1, op2, CRn, CRm, value);
4854 if (retval != ERROR_OK)
4855 return JIM_ERR;
4856 } else
4857 {
4858 retval = target_mrc(target, cpnum, op1, op2, CRn, CRm, &value);
4859 if (retval != ERROR_OK)
4860 return JIM_ERR;
4861
4862 Jim_SetResult(interp, Jim_NewIntObj(interp, value));
4863 }
4864
4865 return JIM_OK;
4866 }
Generic flash access through boundary scans