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Make default implementation of mdw/mmw phys return error 'not implemented'
[openocd.git] / src / target / target.c
blob5cf70118d043f06f3870ccdf4a487d06c46700b9
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 static int default_read_phys_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
745 {
746 LOG_ERROR("Not implemented");
747 return ERROR_FAIL;
748 }
749
750 static int default_write_phys_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
751 {
752 LOG_ERROR("Not implemented");
753 return ERROR_FAIL;
754 }
755
756
757 int target_init(struct command_context_s *cmd_ctx)
758 {
759 target_t *target = all_targets;
760 int retval;
761
762 while (target)
763 {
764 target_reset_examined(target);
765 if (target->type->examine == NULL)
766 {
767 target->type->examine = default_examine;
768 }
769
770 if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
771 {
772 LOG_ERROR("target '%s' init failed", target_get_name(target));
773 return retval;
774 }
775
776 /* Set up default functions if none are provided by target */
777 if (target->type->virt2phys == NULL)
778 {
779 target->type->virt2phys = default_virt2phys;
780 }
781
782 if (target->type->read_phys_memory == NULL)
783 {
784 target->type->read_phys_memory = default_read_phys_memory;
785 }
786
787 if (target->type->write_phys_memory == NULL)
788 {
789 target->type->write_phys_memory = default_write_phys_memory;
790 }
791
792 if (target->type->mcr == NULL)
793 {
794 target->type->mcr = default_mcr;
795 }
796
797 if (target->type->mrc == NULL)
798 {
799 target->type->mrc = default_mrc;
800 }
801
802
803 /* a non-invasive way(in terms of patches) to add some code that
804 * runs before the type->write/read_memory implementation
805 */
806 target->type->write_memory_imp = target->type->write_memory;
807 target->type->write_memory = target_write_memory_imp;
808 target->type->read_memory_imp = target->type->read_memory;
809 target->type->read_memory = target_read_memory_imp;
810 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
811 target->type->soft_reset_halt = target_soft_reset_halt_imp;
812 target->type->run_algorithm_imp = target->type->run_algorithm;
813 target->type->run_algorithm = target_run_algorithm_imp;
814
815 if (target->type->mmu == NULL)
816 {
817 target->type->mmu = default_mmu;
818 }
819 target = target->next;
820 }
821
822 if (all_targets)
823 {
824 if ((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
825 return retval;
826 if ((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
827 return retval;
828 }
829
830 return ERROR_OK;
831 }
832
833 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
834 {
835 target_event_callback_t **callbacks_p = &target_event_callbacks;
836
837 if (callback == NULL)
838 {
839 return ERROR_INVALID_ARGUMENTS;
840 }
841
842 if (*callbacks_p)
843 {
844 while ((*callbacks_p)->next)
845 callbacks_p = &((*callbacks_p)->next);
846 callbacks_p = &((*callbacks_p)->next);
847 }
848
849 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
850 (*callbacks_p)->callback = callback;
851 (*callbacks_p)->priv = priv;
852 (*callbacks_p)->next = NULL;
853
854 return ERROR_OK;
855 }
856
857 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
858 {
859 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
860 struct timeval now;
861
862 if (callback == NULL)
863 {
864 return ERROR_INVALID_ARGUMENTS;
865 }
866
867 if (*callbacks_p)
868 {
869 while ((*callbacks_p)->next)
870 callbacks_p = &((*callbacks_p)->next);
871 callbacks_p = &((*callbacks_p)->next);
872 }
873
874 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
875 (*callbacks_p)->callback = callback;
876 (*callbacks_p)->periodic = periodic;
877 (*callbacks_p)->time_ms = time_ms;
878
879 gettimeofday(&now, NULL);
880 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
881 time_ms -= (time_ms % 1000);
882 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
883 if ((*callbacks_p)->when.tv_usec > 1000000)
884 {
885 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
886 (*callbacks_p)->when.tv_sec += 1;
887 }
888
889 (*callbacks_p)->priv = priv;
890 (*callbacks_p)->next = NULL;
891
892 return ERROR_OK;
893 }
894
895 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
896 {
897 target_event_callback_t **p = &target_event_callbacks;
898 target_event_callback_t *c = target_event_callbacks;
899
900 if (callback == NULL)
901 {
902 return ERROR_INVALID_ARGUMENTS;
903 }
904
905 while (c)
906 {
907 target_event_callback_t *next = c->next;
908 if ((c->callback == callback) && (c->priv == priv))
909 {
910 *p = next;
911 free(c);
912 return ERROR_OK;
913 }
914 else
915 p = &(c->next);
916 c = next;
917 }
918
919 return ERROR_OK;
920 }
921
922 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
923 {
924 target_timer_callback_t **p = &target_timer_callbacks;
925 target_timer_callback_t *c = target_timer_callbacks;
926
927 if (callback == NULL)
928 {
929 return ERROR_INVALID_ARGUMENTS;
930 }
931
932 while (c)
933 {
934 target_timer_callback_t *next = c->next;
935 if ((c->callback == callback) && (c->priv == priv))
936 {
937 *p = next;
938 free(c);
939 return ERROR_OK;
940 }
941 else
942 p = &(c->next);
943 c = next;
944 }
945
946 return ERROR_OK;
947 }
948
949 int target_call_event_callbacks(target_t *target, enum target_event event)
950 {
951 target_event_callback_t *callback = target_event_callbacks;
952 target_event_callback_t *next_callback;
953
954 if (event == TARGET_EVENT_HALTED)
955 {
956 /* execute early halted first */
957 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
958 }
959
960 LOG_DEBUG("target event %i (%s)",
961 event,
962 Jim_Nvp_value2name_simple(nvp_target_event, event)->name);
963
964 target_handle_event(target, event);
965
966 while (callback)
967 {
968 next_callback = callback->next;
969 callback->callback(target, event, callback->priv);
970 callback = next_callback;
971 }
972
973 return ERROR_OK;
974 }
975
976 static int target_timer_callback_periodic_restart(
977 target_timer_callback_t *cb, struct timeval *now)
978 {
979 int time_ms = cb->time_ms;
980 cb->when.tv_usec = now->tv_usec + (time_ms % 1000) * 1000;
981 time_ms -= (time_ms % 1000);
982 cb->when.tv_sec = now->tv_sec + time_ms / 1000;
983 if (cb->when.tv_usec > 1000000)
984 {
985 cb->when.tv_usec = cb->when.tv_usec - 1000000;
986 cb->when.tv_sec += 1;
987 }
988 return ERROR_OK;
989 }
990
991 static int target_call_timer_callback(target_timer_callback_t *cb,
992 struct timeval *now)
993 {
994 cb->callback(cb->priv);
995
996 if (cb->periodic)
997 return target_timer_callback_periodic_restart(cb, now);
998
999 return target_unregister_timer_callback(cb->callback, cb->priv);
1000 }
1001
1002 static int target_call_timer_callbacks_check_time(int checktime)
1003 {
1004 keep_alive();
1005
1006 struct timeval now;
1007 gettimeofday(&now, NULL);
1008
1009 target_timer_callback_t *callback = target_timer_callbacks;
1010 while (callback)
1011 {
1012 // cleaning up may unregister and free this callback
1013 target_timer_callback_t *next_callback = callback->next;
1014
1015 bool call_it = callback->callback &&
1016 ((!checktime && callback->periodic) ||
1017 now.tv_sec > callback->when.tv_sec ||
1018 (now.tv_sec == callback->when.tv_sec &&
1019 now.tv_usec >= callback->when.tv_usec));
1020
1021 if (call_it)
1022 {
1023 int retval = target_call_timer_callback(callback, &now);
1024 if (retval != ERROR_OK)
1025 return retval;
1026 }
1027
1028 callback = next_callback;
1029 }
1030
1031 return ERROR_OK;
1032 }
1033
1034 int target_call_timer_callbacks(void)
1035 {
1036 return target_call_timer_callbacks_check_time(1);
1037 }
1038
1039 /* invoke periodic callbacks immediately */
1040 int target_call_timer_callbacks_now(void)
1041 {
1042 return target_call_timer_callbacks_check_time(0);
1043 }
1044
1045 int target_alloc_working_area(struct target_s *target, uint32_t size, working_area_t **area)
1046 {
1047 working_area_t *c = target->working_areas;
1048 working_area_t *new_wa = NULL;
1049
1050 /* Reevaluate working area address based on MMU state*/
1051 if (target->working_areas == NULL)
1052 {
1053 int retval;
1054 int enabled;
1055 retval = target->type->mmu(target, &enabled);
1056 if (retval != ERROR_OK)
1057 {
1058 return retval;
1059 }
1060
1061 if (enabled)
1062 {
1063 if (target->working_area_phys_spec)
1064 {
1065 LOG_DEBUG("MMU disabled, using physical address for working memory 0x%08x", (unsigned)target->working_area_phys);
1066 target->working_area = target->working_area_phys;
1067 } else
1068 {
1069 LOG_ERROR("No working memory available. Specify -work-area-phys to target.");
1070 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1071 }
1072 } else
1073 {
1074 if (target->working_area_virt_spec)
1075 {
1076 LOG_DEBUG("MMU enabled, using virtual address for working memory 0x%08x", (unsigned)target->working_area_virt);
1077 target->working_area = target->working_area_virt;
1078 } else
1079 {
1080 LOG_ERROR("No working memory available. Specify -work-area-virt to target.");
1081 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1082 }
1083 }
1084 }
1085
1086 /* only allocate multiples of 4 byte */
1087 if (size % 4)
1088 {
1089 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes (0x%08x), padding", ((unsigned)(size)));
1090 size = (size + 3) & (~3);
1091 }
1092
1093 /* see if there's already a matching working area */
1094 while (c)
1095 {
1096 if ((c->free) && (c->size == size))
1097 {
1098 new_wa = c;
1099 break;
1100 }
1101 c = c->next;
1102 }
1103
1104 /* if not, allocate a new one */
1105 if (!new_wa)
1106 {
1107 working_area_t **p = &target->working_areas;
1108 uint32_t first_free = target->working_area;
1109 uint32_t free_size = target->working_area_size;
1110
1111 c = target->working_areas;
1112 while (c)
1113 {
1114 first_free += c->size;
1115 free_size -= c->size;
1116 p = &c->next;
1117 c = c->next;
1118 }
1119
1120 if (free_size < size)
1121 {
1122 LOG_WARNING("not enough working area available(requested %u, free %u)",
1123 (unsigned)(size), (unsigned)(free_size));
1124 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1125 }
1126
1127 LOG_DEBUG("allocated new working area at address 0x%08x", (unsigned)first_free);
1128
1129 new_wa = malloc(sizeof(working_area_t));
1130 new_wa->next = NULL;
1131 new_wa->size = size;
1132 new_wa->address = first_free;
1133
1134 if (target->backup_working_area)
1135 {
1136 int retval;
1137 new_wa->backup = malloc(new_wa->size);
1138 if ((retval = target_read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
1139 {
1140 free(new_wa->backup);
1141 free(new_wa);
1142 return retval;
1143 }
1144 }
1145 else
1146 {
1147 new_wa->backup = NULL;
1148 }
1149
1150 /* put new entry in list */
1151 *p = new_wa;
1152 }
1153
1154 /* mark as used, and return the new (reused) area */
1155 new_wa->free = 0;
1156 *area = new_wa;
1157
1158 /* user pointer */
1159 new_wa->user = area;
1160
1161 return ERROR_OK;
1162 }
1163
1164 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
1165 {
1166 if (area->free)
1167 return ERROR_OK;
1168
1169 if (restore && target->backup_working_area)
1170 {
1171 int retval;
1172 if ((retval = target_write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
1173 return retval;
1174 }
1175
1176 area->free = 1;
1177
1178 /* mark user pointer invalid */
1179 *area->user = NULL;
1180 area->user = NULL;
1181
1182 return ERROR_OK;
1183 }
1184
1185 int target_free_working_area(struct target_s *target, working_area_t *area)
1186 {
1187 return target_free_working_area_restore(target, area, 1);
1188 }
1189
1190 /* free resources and restore memory, if restoring memory fails,
1191 * free up resources anyway
1192 */
1193 void target_free_all_working_areas_restore(struct target_s *target, int restore)
1194 {
1195 working_area_t *c = target->working_areas;
1196
1197 while (c)
1198 {
1199 working_area_t *next = c->next;
1200 target_free_working_area_restore(target, c, restore);
1201
1202 if (c->backup)
1203 free(c->backup);
1204
1205 free(c);
1206
1207 c = next;
1208 }
1209
1210 target->working_areas = NULL;
1211 }
1212
1213 void target_free_all_working_areas(struct target_s *target)
1214 {
1215 target_free_all_working_areas_restore(target, 1);
1216 }
1217
1218 int target_register_commands(struct command_context_s *cmd_ctx)
1219 {
1220
1221 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)");
1222
1223
1224
1225
1226 register_jim(cmd_ctx, "target", jim_target, "configure target");
1227
1228 return ERROR_OK;
1229 }
1230
1231 int target_arch_state(struct target_s *target)
1232 {
1233 int retval;
1234 if (target == NULL)
1235 {
1236 LOG_USER("No target has been configured");
1237 return ERROR_OK;
1238 }
1239
1240 LOG_USER("target state: %s", target_state_name( target ));
1241
1242 if (target->state != TARGET_HALTED)
1243 return ERROR_OK;
1244
1245 retval = target->type->arch_state(target);
1246 return retval;
1247 }
1248
1249 /* Single aligned words are guaranteed to use 16 or 32 bit access
1250 * mode respectively, otherwise data is handled as quickly as
1251 * possible
1252 */
1253 int target_write_buffer(struct target_s *target, uint32_t address, uint32_t size, uint8_t *buffer)
1254 {
1255 int retval;
1256 LOG_DEBUG("writing buffer of %i byte at 0x%8.8x",
1257 (int)size, (unsigned)address);
1258
1259 if (!target_was_examined(target))
1260 {
1261 LOG_ERROR("Target not examined yet");
1262 return ERROR_FAIL;
1263 }
1264
1265 if (size == 0) {
1266 return ERROR_OK;
1267 }
1268
1269 if ((address + size - 1) < address)
1270 {
1271 /* GDB can request this when e.g. PC is 0xfffffffc*/
1272 LOG_ERROR("address + size wrapped(0x%08x, 0x%08x)",
1273 (unsigned)address,
1274 (unsigned)size);
1275 return ERROR_FAIL;
1276 }
1277
1278 if (((address % 2) == 0) && (size == 2))
1279 {
1280 return target_write_memory(target, address, 2, 1, buffer);
1281 }
1282
1283 /* handle unaligned head bytes */
1284 if (address % 4)
1285 {
1286 uint32_t unaligned = 4 - (address % 4);
1287
1288 if (unaligned > size)
1289 unaligned = size;
1290
1291 if ((retval = target_write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1292 return retval;
1293
1294 buffer += unaligned;
1295 address += unaligned;
1296 size -= unaligned;
1297 }
1298
1299 /* handle aligned words */
1300 if (size >= 4)
1301 {
1302 int aligned = size - (size % 4);
1303
1304 /* use bulk writes above a certain limit. This may have to be changed */
1305 if (aligned > 128)
1306 {
1307 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1308 return retval;
1309 }
1310 else
1311 {
1312 if ((retval = target_write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1313 return retval;
1314 }
1315
1316 buffer += aligned;
1317 address += aligned;
1318 size -= aligned;
1319 }
1320
1321 /* handle tail writes of less than 4 bytes */
1322 if (size > 0)
1323 {
1324 if ((retval = target_write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1325 return retval;
1326 }
1327
1328 return ERROR_OK;
1329 }
1330
1331 /* Single aligned words are guaranteed to use 16 or 32 bit access
1332 * mode respectively, otherwise data is handled as quickly as
1333 * possible
1334 */
1335 int target_read_buffer(struct target_s *target, uint32_t address, uint32_t size, uint8_t *buffer)
1336 {
1337 int retval;
1338 LOG_DEBUG("reading buffer of %i byte at 0x%8.8x",
1339 (int)size, (unsigned)address);
1340
1341 if (!target_was_examined(target))
1342 {
1343 LOG_ERROR("Target not examined yet");
1344 return ERROR_FAIL;
1345 }
1346
1347 if (size == 0) {
1348 return ERROR_OK;
1349 }
1350
1351 if ((address + size - 1) < address)
1352 {
1353 /* GDB can request this when e.g. PC is 0xfffffffc*/
1354 LOG_ERROR("address + size wrapped(0x%08" PRIx32 ", 0x%08" PRIx32 ")",
1355 address,
1356 size);
1357 return ERROR_FAIL;
1358 }
1359
1360 if (((address % 2) == 0) && (size == 2))
1361 {
1362 return target_read_memory(target, address, 2, 1, buffer);
1363 }
1364
1365 /* handle unaligned head bytes */
1366 if (address % 4)
1367 {
1368 uint32_t unaligned = 4 - (address % 4);
1369
1370 if (unaligned > size)
1371 unaligned = size;
1372
1373 if ((retval = target_read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1374 return retval;
1375
1376 buffer += unaligned;
1377 address += unaligned;
1378 size -= unaligned;
1379 }
1380
1381 /* handle aligned words */
1382 if (size >= 4)
1383 {
1384 int aligned = size - (size % 4);
1385
1386 if ((retval = target_read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1387 return retval;
1388
1389 buffer += aligned;
1390 address += aligned;
1391 size -= aligned;
1392 }
1393
1394 /*prevent byte access when possible (avoid AHB access limitations in some cases)*/
1395 if(size >=2)
1396 {
1397 int aligned = size - (size%2);
1398 retval = target_read_memory(target, address, 2, aligned / 2, buffer);
1399 if (retval != ERROR_OK)
1400 return retval;
1401
1402 buffer += aligned;
1403 address += aligned;
1404 size -= aligned;
1405 }
1406 /* handle tail writes of less than 4 bytes */
1407 if (size > 0)
1408 {
1409 if ((retval = target_read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1410 return retval;
1411 }
1412
1413 return ERROR_OK;
1414 }
1415
1416 int target_checksum_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t* crc)
1417 {
1418 uint8_t *buffer;
1419 int retval;
1420 uint32_t i;
1421 uint32_t checksum = 0;
1422 if (!target_was_examined(target))
1423 {
1424 LOG_ERROR("Target not examined yet");
1425 return ERROR_FAIL;
1426 }
1427
1428 if ((retval = target->type->checksum_memory(target, address,
1429 size, &checksum)) != ERROR_OK)
1430 {
1431 buffer = malloc(size);
1432 if (buffer == NULL)
1433 {
1434 LOG_ERROR("error allocating buffer for section (%d bytes)", (int)size);
1435 return ERROR_INVALID_ARGUMENTS;
1436 }
1437 retval = target_read_buffer(target, address, size, buffer);
1438 if (retval != ERROR_OK)
1439 {
1440 free(buffer);
1441 return retval;
1442 }
1443
1444 /* convert to target endianess */
1445 for (i = 0; i < (size/sizeof(uint32_t)); i++)
1446 {
1447 uint32_t target_data;
1448 target_data = target_buffer_get_u32(target, &buffer[i*sizeof(uint32_t)]);
1449 target_buffer_set_u32(target, &buffer[i*sizeof(uint32_t)], target_data);
1450 }
1451
1452 retval = image_calculate_checksum(buffer, size, &checksum);
1453 free(buffer);
1454 }
1455
1456 *crc = checksum;
1457
1458 return retval;
1459 }
1460
1461 int target_blank_check_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t* blank)
1462 {
1463 int retval;
1464 if (!target_was_examined(target))
1465 {
1466 LOG_ERROR("Target not examined yet");
1467 return ERROR_FAIL;
1468 }
1469
1470 if (target->type->blank_check_memory == 0)
1471 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1472
1473 retval = target->type->blank_check_memory(target, address, size, blank);
1474
1475 return retval;
1476 }
1477
1478 int target_read_u32(struct target_s *target, uint32_t address, uint32_t *value)
1479 {
1480 uint8_t value_buf[4];
1481 if (!target_was_examined(target))
1482 {
1483 LOG_ERROR("Target not examined yet");
1484 return ERROR_FAIL;
1485 }
1486
1487 int retval = target_read_memory(target, address, 4, 1, value_buf);
1488
1489 if (retval == ERROR_OK)
1490 {
1491 *value = target_buffer_get_u32(target, value_buf);
1492 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
1493 address,
1494 *value);
1495 }
1496 else
1497 {
1498 *value = 0x0;
1499 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1500 address);
1501 }
1502
1503 return retval;
1504 }
1505
1506 int target_read_u16(struct target_s *target, uint32_t address, uint16_t *value)
1507 {
1508 uint8_t value_buf[2];
1509 if (!target_was_examined(target))
1510 {
1511 LOG_ERROR("Target not examined yet");
1512 return ERROR_FAIL;
1513 }
1514
1515 int retval = target_read_memory(target, address, 2, 1, value_buf);
1516
1517 if (retval == ERROR_OK)
1518 {
1519 *value = target_buffer_get_u16(target, value_buf);
1520 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%4.4x",
1521 address,
1522 *value);
1523 }
1524 else
1525 {
1526 *value = 0x0;
1527 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1528 address);
1529 }
1530
1531 return retval;
1532 }
1533
1534 int target_read_u8(struct target_s *target, uint32_t address, uint8_t *value)
1535 {
1536 int retval = target_read_memory(target, address, 1, 1, value);
1537 if (!target_was_examined(target))
1538 {
1539 LOG_ERROR("Target not examined yet");
1540 return ERROR_FAIL;
1541 }
1542
1543 if (retval == ERROR_OK)
1544 {
1545 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
1546 address,
1547 *value);
1548 }
1549 else
1550 {
1551 *value = 0x0;
1552 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1553 address);
1554 }
1555
1556 return retval;
1557 }
1558
1559 int target_write_u32(struct target_s *target, uint32_t address, uint32_t value)
1560 {
1561 int retval;
1562 uint8_t value_buf[4];
1563 if (!target_was_examined(target))
1564 {
1565 LOG_ERROR("Target not examined yet");
1566 return ERROR_FAIL;
1567 }
1568
1569 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
1570 address,
1571 value);
1572
1573 target_buffer_set_u32(target, value_buf, value);
1574 if ((retval = target_write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1575 {
1576 LOG_DEBUG("failed: %i", retval);
1577 }
1578
1579 return retval;
1580 }
1581
1582 int target_write_u16(struct target_s *target, uint32_t address, uint16_t value)
1583 {
1584 int retval;
1585 uint8_t value_buf[2];
1586 if (!target_was_examined(target))
1587 {
1588 LOG_ERROR("Target not examined yet");
1589 return ERROR_FAIL;
1590 }
1591
1592 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8x",
1593 address,
1594 value);
1595
1596 target_buffer_set_u16(target, value_buf, value);
1597 if ((retval = target_write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1598 {
1599 LOG_DEBUG("failed: %i", retval);
1600 }
1601
1602 return retval;
1603 }
1604
1605 int target_write_u8(struct target_s *target, uint32_t address, uint8_t value)
1606 {
1607 int retval;
1608 if (!target_was_examined(target))
1609 {
1610 LOG_ERROR("Target not examined yet");
1611 return ERROR_FAIL;
1612 }
1613
1614 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
1615 address, value);
1616
1617 if ((retval = target_write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1618 {
1619 LOG_DEBUG("failed: %i", retval);
1620 }
1621
1622 return retval;
1623 }
1624
1625 int target_register_user_commands(struct command_context_s *cmd_ctx)
1626 {
1627 int retval = ERROR_OK;
1628
1629
1630 /* script procedures */
1631 register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "profiling samples the CPU PC");
1632 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>");
1633 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>");
1634
1635 register_jim(cmd_ctx, "mrc", jim_mcrmrc, "read coprocessor <cpnum> <op1> <op2> <CRn> <CRm>");
1636 register_jim(cmd_ctx, "mcr", jim_mcrmrc, "write coprocessor <cpnum> <op1> <op2> <CRn> <CRm> <value>");
1637
1638 register_command(cmd_ctx, NULL, "fast_load_image", handle_fast_load_image_command, COMMAND_ANY,
1639 "same args as load_image, image stored in memory - mainly for profiling purposes");
1640
1641 register_command(cmd_ctx, NULL, "fast_load", handle_fast_load_command, COMMAND_ANY,
1642 "loads active fast load image to current target - mainly for profiling purposes");
1643
1644
1645 register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "translate a virtual address into a physical address");
1646 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, "display or set a register");
1647 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1648 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1649 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1650 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1651 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1652 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run | halt | init] - default is run");
1653 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1654
1655 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words [phys] <addr> [count]");
1656 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words [phys] <addr> [count]");
1657 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes [phys] <addr> [count]");
1658
1659 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word [phys] <addr> <value> [count]");
1660 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word [phys] <addr> <value> [count]");
1661 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte [phys] <addr> <value> [count]");
1662
1663 register_command(cmd_ctx, NULL, "bp",
1664 handle_bp_command, COMMAND_EXEC,
1665 "list or set breakpoint [<address> <length> [hw]]");
1666 register_command(cmd_ctx, NULL, "rbp",
1667 handle_rbp_command, COMMAND_EXEC,
1668 "remove breakpoint <address>");
1669 register_command(cmd_ctx, NULL, "wp",
1670 handle_wp_command, COMMAND_EXEC,
1671 "list or set watchpoint "
1672 "[<address> <length> <r/w/a> [value] [mask]]");
1673 register_command(cmd_ctx, NULL, "rwp",
1674 handle_rwp_command, COMMAND_EXEC,
1675 "remove watchpoint <address>");
1676
1677 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]");
1678 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1679 register_command(cmd_ctx, NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1680 register_command(cmd_ctx, NULL, "test_image", handle_test_image_command, COMMAND_EXEC, "test_image <file> [offset] [type]");
1681
1682 if ((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
1683 return retval;
1684 if ((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
1685 return retval;
1686
1687 return retval;
1688 }
1689
1690 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1691 {
1692 target_t *target = all_targets;
1693
1694 if (argc == 1)
1695 {
1696 target = get_target(args[0]);
1697 if (target == NULL) {
1698 command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0]);
1699 goto DumpTargets;
1700 }
1701 if (!target->tap->enabled) {
1702 command_print(cmd_ctx,"Target: TAP %s is disabled, "
1703 "can't be the current target\n",
1704 target->tap->dotted_name);
1705 return ERROR_FAIL;
1706 }
1707
1708 cmd_ctx->current_target = target->target_number;
1709 return ERROR_OK;
1710 }
1711 DumpTargets:
1712
1713 target = all_targets;
1714 command_print(cmd_ctx, " TargetName Type Endian TapName State ");
1715 command_print(cmd_ctx, "-- ------------------ ---------- ------ ------------------ ------------");
1716 while (target)
1717 {
1718 const char *state;
1719 char marker = ' ';
1720
1721 if (target->tap->enabled)
1722 state = target_state_name( target );
1723 else
1724 state = "tap-disabled";
1725
1726 if (cmd_ctx->current_target == target->target_number)
1727 marker = '*';
1728
1729 /* keep columns lined up to match the headers above */
1730 command_print(cmd_ctx, "%2d%c %-18s %-10s %-6s %-18s %s",
1731 target->target_number,
1732 marker,
1733 target->cmd_name,
1734 target_get_name(target),
1735 Jim_Nvp_value2name_simple(nvp_target_endian,
1736 target->endianness)->name,
1737 target->tap->dotted_name,
1738 state);
1739 target = target->next;
1740 }
1741
1742 return ERROR_OK;
1743 }
1744
1745 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1746
1747 static int powerDropout;
1748 static int srstAsserted;
1749
1750 static int runPowerRestore;
1751 static int runPowerDropout;
1752 static int runSrstAsserted;
1753 static int runSrstDeasserted;
1754
1755 static int sense_handler(void)
1756 {
1757 static int prevSrstAsserted = 0;
1758 static int prevPowerdropout = 0;
1759
1760 int retval;
1761 if ((retval = jtag_power_dropout(&powerDropout)) != ERROR_OK)
1762 return retval;
1763
1764 int powerRestored;
1765 powerRestored = prevPowerdropout && !powerDropout;
1766 if (powerRestored)
1767 {
1768 runPowerRestore = 1;
1769 }
1770
1771 long long current = timeval_ms();
1772 static long long lastPower = 0;
1773 int waitMore = lastPower + 2000 > current;
1774 if (powerDropout && !waitMore)
1775 {
1776 runPowerDropout = 1;
1777 lastPower = current;
1778 }
1779
1780 if ((retval = jtag_srst_asserted(&srstAsserted)) != ERROR_OK)
1781 return retval;
1782
1783 int srstDeasserted;
1784 srstDeasserted = prevSrstAsserted && !srstAsserted;
1785
1786 static long long lastSrst = 0;
1787 waitMore = lastSrst + 2000 > current;
1788 if (srstDeasserted && !waitMore)
1789 {
1790 runSrstDeasserted = 1;
1791 lastSrst = current;
1792 }
1793
1794 if (!prevSrstAsserted && srstAsserted)
1795 {
1796 runSrstAsserted = 1;
1797 }
1798
1799 prevSrstAsserted = srstAsserted;
1800 prevPowerdropout = powerDropout;
1801
1802 if (srstDeasserted || powerRestored)
1803 {
1804 /* Other than logging the event we can't do anything here.
1805 * Issuing a reset is a particularly bad idea as we might
1806 * be inside a reset already.
1807 */
1808 }
1809
1810 return ERROR_OK;
1811 }
1812
1813 static void target_call_event_callbacks_all(enum target_event e) {
1814 target_t *target;
1815 target = all_targets;
1816 while (target) {
1817 target_call_event_callbacks(target, e);
1818 target = target->next;
1819 }
1820 }
1821
1822 /* process target state changes */
1823 int handle_target(void *priv)
1824 {
1825 int retval = ERROR_OK;
1826
1827 /* we do not want to recurse here... */
1828 static int recursive = 0;
1829 if (! recursive)
1830 {
1831 recursive = 1;
1832 sense_handler();
1833 /* danger! running these procedures can trigger srst assertions and power dropouts.
1834 * We need to avoid an infinite loop/recursion here and we do that by
1835 * clearing the flags after running these events.
1836 */
1837 int did_something = 0;
1838 if (runSrstAsserted)
1839 {
1840 target_call_event_callbacks_all(TARGET_EVENT_GDB_HALT);
1841 Jim_Eval(interp, "srst_asserted");
1842 did_something = 1;
1843 }
1844 if (runSrstDeasserted)
1845 {
1846 Jim_Eval(interp, "srst_deasserted");
1847 did_something = 1;
1848 }
1849 if (runPowerDropout)
1850 {
1851 target_call_event_callbacks_all(TARGET_EVENT_GDB_HALT);
1852 Jim_Eval(interp, "power_dropout");
1853 did_something = 1;
1854 }
1855 if (runPowerRestore)
1856 {
1857 Jim_Eval(interp, "power_restore");
1858 did_something = 1;
1859 }
1860
1861 if (did_something)
1862 {
1863 /* clear detect flags */
1864 sense_handler();
1865 }
1866
1867 /* clear action flags */
1868
1869 runSrstAsserted = 0;
1870 runSrstDeasserted = 0;
1871 runPowerRestore = 0;
1872 runPowerDropout = 0;
1873
1874 recursive = 0;
1875 }
1876
1877 /* Poll targets for state changes unless that's globally disabled.
1878 * Skip targets that are currently disabled.
1879 */
1880 for (target_t *target = all_targets;
1881 is_jtag_poll_safe() && target;
1882 target = target->next)
1883 {
1884 if (!target->tap->enabled)
1885 continue;
1886
1887 /* only poll target if we've got power and srst isn't asserted */
1888 if (!powerDropout && !srstAsserted)
1889 {
1890 /* polling may fail silently until the target has been examined */
1891 if ((retval = target_poll(target)) != ERROR_OK)
1892 {
1893 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
1894 return retval;
1895 }
1896 }
1897 }
1898
1899 return retval;
1900 }
1901
1902 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1903 {
1904 target_t *target;
1905 reg_t *reg = NULL;
1906 int count = 0;
1907 char *value;
1908
1909 LOG_DEBUG("-");
1910
1911 target = get_current_target(cmd_ctx);
1912
1913 /* list all available registers for the current target */
1914 if (argc == 0)
1915 {
1916 reg_cache_t *cache = target->reg_cache;
1917
1918 count = 0;
1919 while (cache)
1920 {
1921 int i;
1922
1923 command_print(cmd_ctx, "===== %s", cache->name);
1924
1925 for (i = 0, reg = cache->reg_list;
1926 i < cache->num_regs;
1927 i++, reg++, count++)
1928 {
1929 /* only print cached values if they are valid */
1930 if (reg->valid) {
1931 value = buf_to_str(reg->value,
1932 reg->size, 16);
1933 command_print(cmd_ctx,
1934 "(%i) %s (/%" PRIu32 "): 0x%s%s",
1935 count, reg->name,
1936 reg->size, value,
1937 reg->dirty
1938 ? " (dirty)"
1939 : "");
1940 free(value);
1941 } else {
1942 command_print(cmd_ctx, "(%i) %s (/%" PRIu32 ")",
1943 count, reg->name,
1944 reg->size) ;
1945 }
1946 }
1947 cache = cache->next;
1948 }
1949
1950 return ERROR_OK;
1951 }
1952
1953 /* access a single register by its ordinal number */
1954 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1955 {
1956 unsigned num;
1957 int retval = parse_uint(args[0], &num);
1958 if (ERROR_OK != retval)
1959 return ERROR_COMMAND_SYNTAX_ERROR;
1960
1961 reg_cache_t *cache = target->reg_cache;
1962 count = 0;
1963 while (cache)
1964 {
1965 int i;
1966 for (i = 0; i < cache->num_regs; i++)
1967 {
1968 if (count++ == (int)num)
1969 {
1970 reg = &cache->reg_list[i];
1971 break;
1972 }
1973 }
1974 if (reg)
1975 break;
1976 cache = cache->next;
1977 }
1978
1979 if (!reg)
1980 {
1981 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1982 return ERROR_OK;
1983 }
1984 } else /* access a single register by its name */
1985 {
1986 reg = register_get_by_name(target->reg_cache, args[0], 1);
1987
1988 if (!reg)
1989 {
1990 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1991 return ERROR_OK;
1992 }
1993 }
1994
1995 /* display a register */
1996 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1997 {
1998 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1999 reg->valid = 0;
2000
2001 if (reg->valid == 0)
2002 {
2003 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
2004 arch_type->get(reg);
2005 }
2006 value = buf_to_str(reg->value, reg->size, 16);
2007 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
2008 free(value);
2009 return ERROR_OK;
2010 }
2011
2012 /* set register value */
2013 if (argc == 2)
2014 {
2015 uint8_t *buf = malloc(CEIL(reg->size, 8));
2016 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
2017
2018 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
2019 arch_type->set(reg, buf);
2020
2021 value = buf_to_str(reg->value, reg->size, 16);
2022 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
2023 free(value);
2024
2025 free(buf);
2026
2027 return ERROR_OK;
2028 }
2029
2030 command_print(cmd_ctx, "usage: reg <#|name> [value]");
2031
2032 return ERROR_OK;
2033 }
2034
2035 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2036 {
2037 int retval = ERROR_OK;
2038 target_t *target = get_current_target(cmd_ctx);
2039
2040 if (argc == 0)
2041 {
2042 command_print(cmd_ctx, "background polling: %s",
2043 jtag_poll_get_enabled() ? "on" : "off");
2044 command_print(cmd_ctx, "TAP: %s (%s)",
2045 target->tap->dotted_name,
2046 target->tap->enabled ? "enabled" : "disabled");
2047 if (!target->tap->enabled)
2048 return ERROR_OK;
2049 if ((retval = target_poll(target)) != ERROR_OK)
2050 return retval;
2051 if ((retval = target_arch_state(target)) != ERROR_OK)
2052 return retval;
2053
2054 }
2055 else if (argc == 1)
2056 {
2057 if (strcmp(args[0], "on") == 0)
2058 {
2059 jtag_poll_set_enabled(true);
2060 }
2061 else if (strcmp(args[0], "off") == 0)
2062 {
2063 jtag_poll_set_enabled(false);
2064 }
2065 else
2066 {
2067 command_print(cmd_ctx, "arg is \"on\" or \"off\"");
2068 }
2069 } else
2070 {
2071 return ERROR_COMMAND_SYNTAX_ERROR;
2072 }
2073
2074 return retval;
2075 }
2076
2077 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2078 {
2079 if (argc > 1)
2080 return ERROR_COMMAND_SYNTAX_ERROR;
2081
2082 unsigned ms = 5000;
2083 if (1 == argc)
2084 {
2085 int retval = parse_uint(args[0], &ms);
2086 if (ERROR_OK != retval)
2087 {
2088 command_print(cmd_ctx, "usage: %s [seconds]", cmd);
2089 return ERROR_COMMAND_SYNTAX_ERROR;
2090 }
2091 // convert seconds (given) to milliseconds (needed)
2092 ms *= 1000;
2093 }
2094
2095 target_t *target = get_current_target(cmd_ctx);
2096 return target_wait_state(target, TARGET_HALTED, ms);
2097 }
2098
2099 /* wait for target state to change. The trick here is to have a low
2100 * latency for short waits and not to suck up all the CPU time
2101 * on longer waits.
2102 *
2103 * After 500ms, keep_alive() is invoked
2104 */
2105 int target_wait_state(target_t *target, enum target_state state, int ms)
2106 {
2107 int retval;
2108 long long then = 0, cur;
2109 int once = 1;
2110
2111 for (;;)
2112 {
2113 if ((retval = target_poll(target)) != ERROR_OK)
2114 return retval;
2115 if (target->state == state)
2116 {
2117 break;
2118 }
2119 cur = timeval_ms();
2120 if (once)
2121 {
2122 once = 0;
2123 then = timeval_ms();
2124 LOG_DEBUG("waiting for target %s...",
2125 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
2126 }
2127
2128 if (cur-then > 500)
2129 {
2130 keep_alive();
2131 }
2132
2133 if ((cur-then) > ms)
2134 {
2135 LOG_ERROR("timed out while waiting for target %s",
2136 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
2137 return ERROR_FAIL;
2138 }
2139 }
2140
2141 return ERROR_OK;
2142 }
2143
2144 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2145 {
2146 LOG_DEBUG("-");
2147
2148 target_t *target = get_current_target(cmd_ctx);
2149 int retval = target_halt(target);
2150 if (ERROR_OK != retval)
2151 return retval;
2152
2153 if (argc == 1)
2154 {
2155 unsigned wait;
2156 retval = parse_uint(args[0], &wait);
2157 if (ERROR_OK != retval)
2158 return ERROR_COMMAND_SYNTAX_ERROR;
2159 if (!wait)
2160 return ERROR_OK;
2161 }
2162
2163 return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
2164 }
2165
2166 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2167 {
2168 target_t *target = get_current_target(cmd_ctx);
2169
2170 LOG_USER("requesting target halt and executing a soft reset");
2171
2172 target->type->soft_reset_halt(target);
2173
2174 return ERROR_OK;
2175 }
2176
2177 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2178 {
2179 if (argc > 1)
2180 return ERROR_COMMAND_SYNTAX_ERROR;
2181
2182 enum target_reset_mode reset_mode = RESET_RUN;
2183 if (argc == 1)
2184 {
2185 const Jim_Nvp *n;
2186 n = Jim_Nvp_name2value_simple(nvp_reset_modes, args[0]);
2187 if ((n->name == NULL) || (n->value == RESET_UNKNOWN)) {
2188 return ERROR_COMMAND_SYNTAX_ERROR;
2189 }
2190 reset_mode = n->value;
2191 }
2192
2193 /* reset *all* targets */
2194 return target_process_reset(cmd_ctx, reset_mode);
2195 }
2196
2197
2198 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2199 {
2200 int current = 1;
2201 if (argc > 1)
2202 return ERROR_COMMAND_SYNTAX_ERROR;
2203
2204 target_t *target = get_current_target(cmd_ctx);
2205 target_handle_event(target, TARGET_EVENT_OLD_pre_resume);
2206
2207 /* with no args, resume from current pc, addr = 0,
2208 * with one arguments, addr = args[0],
2209 * handle breakpoints, not debugging */
2210 uint32_t addr = 0;
2211 if (argc == 1)
2212 {
2213 int retval = parse_u32(args[0], &addr);
2214 if (ERROR_OK != retval)
2215 return retval;
2216 current = 0;
2217 }
2218
2219 return target_resume(target, current, addr, 1, 0);
2220 }
2221
2222 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2223 {
2224 if (argc > 1)
2225 return ERROR_COMMAND_SYNTAX_ERROR;
2226
2227 LOG_DEBUG("-");
2228
2229 /* with no args, step from current pc, addr = 0,
2230 * with one argument addr = args[0],
2231 * handle breakpoints, debugging */
2232 uint32_t addr = 0;
2233 int current_pc = 1;
2234 if (argc == 1)
2235 {
2236 int retval = parse_u32(args[0], &addr);
2237 if (ERROR_OK != retval)
2238 return retval;
2239 current_pc = 0;
2240 }
2241
2242 target_t *target = get_current_target(cmd_ctx);
2243
2244 return target->type->step(target, current_pc, addr, 1);
2245 }
2246
2247 static void handle_md_output(struct command_context_s *cmd_ctx,
2248 struct target_s *target, uint32_t address, unsigned size,
2249 unsigned count, const uint8_t *buffer)
2250 {
2251 const unsigned line_bytecnt = 32;
2252 unsigned line_modulo = line_bytecnt / size;
2253
2254 char output[line_bytecnt * 4 + 1];
2255 unsigned output_len = 0;
2256
2257 const char *value_fmt;
2258 switch (size) {
2259 case 4: value_fmt = "%8.8x "; break;
2260 case 2: value_fmt = "%4.2x "; break;
2261 case 1: value_fmt = "%2.2x "; break;
2262 default:
2263 LOG_ERROR("invalid memory read size: %u", size);
2264 exit(-1);
2265 }
2266
2267 for (unsigned i = 0; i < count; i++)
2268 {
2269 if (i % line_modulo == 0)
2270 {
2271 output_len += snprintf(output + output_len,
2272 sizeof(output) - output_len,
2273 "0x%8.8x: ",
2274 (unsigned)(address + (i*size)));
2275 }
2276
2277 uint32_t value = 0;
2278 const uint8_t *value_ptr = buffer + i * size;
2279 switch (size) {
2280 case 4: value = target_buffer_get_u32(target, value_ptr); break;
2281 case 2: value = target_buffer_get_u16(target, value_ptr); break;
2282 case 1: value = *value_ptr;
2283 }
2284 output_len += snprintf(output + output_len,
2285 sizeof(output) - output_len,
2286 value_fmt, value);
2287
2288 if ((i % line_modulo == line_modulo - 1) || (i == count - 1))
2289 {
2290 command_print(cmd_ctx, "%s", output);
2291 output_len = 0;
2292 }
2293 }
2294 }
2295
2296 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2297 {
2298 if (argc < 1)
2299 return ERROR_COMMAND_SYNTAX_ERROR;
2300
2301 unsigned size = 0;
2302 switch (cmd[2]) {
2303 case 'w': size = 4; break;
2304 case 'h': size = 2; break;
2305 case 'b': size = 1; break;
2306 default: return ERROR_COMMAND_SYNTAX_ERROR;
2307 }
2308
2309 bool physical=strcmp(args[0], "phys")==0;
2310 int (*fn)(struct target_s *target,
2311 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
2312 if (physical)
2313 {
2314 argc--;
2315 args++;
2316 fn=target_read_phys_memory;
2317 } else
2318 {
2319 fn=target_read_memory;
2320 }
2321 if ((argc < 1) || (argc > 2))
2322 {
2323 return ERROR_COMMAND_SYNTAX_ERROR;
2324 }
2325 uint32_t address;
2326 int retval = parse_u32(args[0], &address);
2327 if (ERROR_OK != retval)
2328 return retval;
2329
2330 unsigned count = 1;
2331 if (argc == 2)
2332 {
2333 retval = parse_uint(args[1], &count);
2334 if (ERROR_OK != retval)
2335 return retval;
2336 }
2337
2338 uint8_t *buffer = calloc(count, size);
2339
2340 target_t *target = get_current_target(cmd_ctx);
2341 retval = fn(target, address, size, count, buffer);
2342 if (ERROR_OK == retval)
2343 handle_md_output(cmd_ctx, target, address, size, count, buffer);
2344
2345 free(buffer);
2346
2347 return retval;
2348 }
2349
2350 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2351 {
2352 if (argc < 2)
2353 {
2354 return ERROR_COMMAND_SYNTAX_ERROR;
2355 }
2356 bool physical=strcmp(args[0], "phys")==0;
2357 int (*fn)(struct target_s *target,
2358 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
2359 if (physical)
2360 {
2361 argc--;
2362 args++;
2363 fn=target_write_phys_memory;
2364 } else
2365 {
2366 fn=target_write_memory;
2367 }
2368 if ((argc < 2) || (argc > 3))
2369 return ERROR_COMMAND_SYNTAX_ERROR;
2370
2371 uint32_t address;
2372 int retval = parse_u32(args[0], &address);
2373 if (ERROR_OK != retval)
2374 return retval;
2375
2376 uint32_t value;
2377 retval = parse_u32(args[1], &value);
2378 if (ERROR_OK != retval)
2379 return retval;
2380
2381 unsigned count = 1;
2382 if (argc == 3)
2383 {
2384 retval = parse_uint(args[2], &count);
2385 if (ERROR_OK != retval)
2386 return retval;
2387 }
2388
2389 target_t *target = get_current_target(cmd_ctx);
2390 unsigned wordsize;
2391 uint8_t value_buf[4];
2392 switch (cmd[2])
2393 {
2394 case 'w':
2395 wordsize = 4;
2396 target_buffer_set_u32(target, value_buf, value);
2397 break;
2398 case 'h':
2399 wordsize = 2;
2400 target_buffer_set_u16(target, value_buf, value);
2401 break;
2402 case 'b':
2403 wordsize = 1;
2404 value_buf[0] = value;
2405 break;
2406 default:
2407 return ERROR_COMMAND_SYNTAX_ERROR;
2408 }
2409 for (unsigned i = 0; i < count; i++)
2410 {
2411 retval = fn(target,
2412 address + i * wordsize, wordsize, 1, value_buf);
2413 if (ERROR_OK != retval)
2414 return retval;
2415 keep_alive();
2416 }
2417
2418 return ERROR_OK;
2419
2420 }
2421
2422 static int parse_load_image_command_args(char **args, int argc,
2423 image_t *image, uint32_t *min_address, uint32_t *max_address)
2424 {
2425 if (argc < 1 || argc > 5)
2426 return ERROR_COMMAND_SYNTAX_ERROR;
2427
2428 /* a base address isn't always necessary,
2429 * default to 0x0 (i.e. don't relocate) */
2430 if (argc >= 2)
2431 {
2432 uint32_t addr;
2433 int retval = parse_u32(args[1], &addr);
2434 if (ERROR_OK != retval)
2435 return ERROR_COMMAND_SYNTAX_ERROR;
2436 image->base_address = addr;
2437 image->base_address_set = 1;
2438 }
2439 else
2440 image->base_address_set = 0;
2441
2442 image->start_address_set = 0;
2443
2444 if (argc >= 4)
2445 {
2446 int retval = parse_u32(args[3], min_address);
2447 if (ERROR_OK != retval)
2448 return ERROR_COMMAND_SYNTAX_ERROR;
2449 }
2450 if (argc == 5)
2451 {
2452 int retval = parse_u32(args[4], max_address);
2453 if (ERROR_OK != retval)
2454 return ERROR_COMMAND_SYNTAX_ERROR;
2455 // use size (given) to find max (required)
2456 *max_address += *min_address;
2457 }
2458
2459 if (*min_address > *max_address)
2460 return ERROR_COMMAND_SYNTAX_ERROR;
2461
2462 return ERROR_OK;
2463 }
2464
2465 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2466 {
2467 uint8_t *buffer;
2468 uint32_t buf_cnt;
2469 uint32_t image_size;
2470 uint32_t min_address = 0;
2471 uint32_t max_address = 0xffffffff;
2472 int i;
2473 int retvaltemp;
2474
2475 image_t image;
2476
2477 duration_t duration;
2478 char *duration_text;
2479
2480 int retval = parse_load_image_command_args(args, argc,
2481 &image, &min_address, &max_address);
2482 if (ERROR_OK != retval)
2483 return retval;
2484
2485 target_t *target = get_current_target(cmd_ctx);
2486 duration_start_measure(&duration);
2487
2488 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2489 {
2490 return ERROR_OK;
2491 }
2492
2493 image_size = 0x0;
2494 retval = ERROR_OK;
2495 for (i = 0; i < image.num_sections; i++)
2496 {
2497 buffer = malloc(image.sections[i].size);
2498 if (buffer == NULL)
2499 {
2500 command_print(cmd_ctx,
2501 "error allocating buffer for section (%d bytes)",
2502 (int)(image.sections[i].size));
2503 break;
2504 }
2505
2506 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2507 {
2508 free(buffer);
2509 break;
2510 }
2511
2512 uint32_t offset = 0;
2513 uint32_t length = buf_cnt;
2514
2515 /* DANGER!!! beware of unsigned comparision here!!! */
2516
2517 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
2518 (image.sections[i].base_address < max_address))
2519 {
2520 if (image.sections[i].base_address < min_address)
2521 {
2522 /* clip addresses below */
2523 offset += min_address-image.sections[i].base_address;
2524 length -= offset;
2525 }
2526
2527 if (image.sections[i].base_address + buf_cnt > max_address)
2528 {
2529 length -= (image.sections[i].base_address + buf_cnt)-max_address;
2530 }
2531
2532 if ((retval = target_write_buffer(target, image.sections[i].base_address + offset, length, buffer + offset)) != ERROR_OK)
2533 {
2534 free(buffer);
2535 break;
2536 }
2537 image_size += length;
2538 command_print(cmd_ctx, "%u bytes written at address 0x%8.8" PRIx32 "",
2539 (unsigned int)length,
2540 image.sections[i].base_address + offset);
2541 }
2542
2543 free(buffer);
2544 }
2545
2546 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2547 {
2548 image_close(&image);
2549 return retvaltemp;
2550 }
2551
2552 if (retval == ERROR_OK)
2553 {
2554 command_print(cmd_ctx, "downloaded %u byte in %s",
2555 (unsigned int)image_size,
2556 duration_text);
2557 }
2558 free(duration_text);
2559
2560 image_close(&image);
2561
2562 return retval;
2563
2564 }
2565
2566 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2567 {
2568 fileio_t fileio;
2569
2570 uint8_t buffer[560];
2571 int retvaltemp;
2572
2573 duration_t duration;
2574 char *duration_text;
2575
2576 target_t *target = get_current_target(cmd_ctx);
2577
2578 if (argc != 3)
2579 {
2580 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2581 return ERROR_OK;
2582 }
2583
2584 uint32_t address;
2585 int retval = parse_u32(args[1], &address);
2586 if (ERROR_OK != retval)
2587 return retval;
2588
2589 uint32_t size;
2590 retval = parse_u32(args[2], &size);
2591 if (ERROR_OK != retval)
2592 return retval;
2593
2594 if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2595 {
2596 return ERROR_OK;
2597 }
2598
2599 duration_start_measure(&duration);
2600
2601 while (size > 0)
2602 {
2603 uint32_t size_written;
2604 uint32_t this_run_size = (size > 560) ? 560 : size;
2605
2606 retval = target_read_buffer(target, address, this_run_size, buffer);
2607 if (retval != ERROR_OK)
2608 {
2609 break;
2610 }
2611
2612 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2613 if (retval != ERROR_OK)
2614 {
2615 break;
2616 }
2617
2618 size -= this_run_size;
2619 address += this_run_size;
2620 }
2621
2622 if ((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2623 return retvaltemp;
2624
2625 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2626 return retvaltemp;
2627
2628 if (retval == ERROR_OK)
2629 {
2630 command_print(cmd_ctx, "dumped %lld byte in %s",
2631 fileio.size, duration_text);
2632 free(duration_text);
2633 }
2634
2635 return retval;
2636 }
2637
2638 static int handle_verify_image_command_internal(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, int verify)
2639 {
2640 uint8_t *buffer;
2641 uint32_t buf_cnt;
2642 uint32_t image_size;
2643 int i;
2644 int retval, retvaltemp;
2645 uint32_t checksum = 0;
2646 uint32_t mem_checksum = 0;
2647
2648 image_t image;
2649
2650 duration_t duration;
2651 char *duration_text;
2652
2653 target_t *target = get_current_target(cmd_ctx);
2654
2655 if (argc < 1)
2656 {
2657 return ERROR_COMMAND_SYNTAX_ERROR;
2658 }
2659
2660 if (!target)
2661 {
2662 LOG_ERROR("no target selected");
2663 return ERROR_FAIL;
2664 }
2665
2666 duration_start_measure(&duration);
2667
2668 if (argc >= 2)
2669 {
2670 uint32_t addr;
2671 retval = parse_u32(args[1], &addr);
2672 if (ERROR_OK != retval)
2673 return ERROR_COMMAND_SYNTAX_ERROR;
2674 image.base_address = addr;
2675 image.base_address_set = 1;
2676 }
2677 else
2678 {
2679 image.base_address_set = 0;
2680 image.base_address = 0x0;
2681 }
2682
2683 image.start_address_set = 0;
2684
2685 if ((retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2686 {
2687 return retval;
2688 }
2689
2690 image_size = 0x0;
2691 retval = ERROR_OK;
2692 for (i = 0; i < image.num_sections; i++)
2693 {
2694 buffer = malloc(image.sections[i].size);
2695 if (buffer == NULL)
2696 {
2697 command_print(cmd_ctx,
2698 "error allocating buffer for section (%d bytes)",
2699 (int)(image.sections[i].size));
2700 break;
2701 }
2702 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2703 {
2704 free(buffer);
2705 break;
2706 }
2707
2708 if (verify)
2709 {
2710 /* calculate checksum of image */
2711 image_calculate_checksum(buffer, buf_cnt, &checksum);
2712
2713 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2714 if (retval != ERROR_OK)
2715 {
2716 free(buffer);
2717 break;
2718 }
2719
2720 if (checksum != mem_checksum)
2721 {
2722 /* failed crc checksum, fall back to a binary compare */
2723 uint8_t *data;
2724
2725 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2726
2727 data = (uint8_t*)malloc(buf_cnt);
2728
2729 /* Can we use 32bit word accesses? */
2730 int size = 1;
2731 int count = buf_cnt;
2732 if ((count % 4) == 0)
2733 {
2734 size *= 4;
2735 count /= 4;
2736 }
2737 retval = target_read_memory(target, image.sections[i].base_address, size, count, data);
2738 if (retval == ERROR_OK)
2739 {
2740 uint32_t t;
2741 for (t = 0; t < buf_cnt; t++)
2742 {
2743 if (data[t] != buffer[t])
2744 {
2745 command_print(cmd_ctx,
2746 "Verify operation failed address 0x%08x. Was 0x%02x instead of 0x%02x\n",
2747 (unsigned)(t + image.sections[i].base_address),
2748 data[t],
2749 buffer[t]);
2750 free(data);
2751 free(buffer);
2752 retval = ERROR_FAIL;
2753 goto done;
2754 }
2755 if ((t%16384) == 0)
2756 {
2757 keep_alive();
2758 }
2759 }
2760 }
2761
2762 free(data);
2763 }
2764 } else
2765 {
2766 command_print(cmd_ctx, "address 0x%08" PRIx32 " length 0x%08" PRIx32 "",
2767 image.sections[i].base_address,
2768 buf_cnt);
2769 }
2770
2771 free(buffer);
2772 image_size += buf_cnt;
2773 }
2774 done:
2775
2776 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2777 {
2778 image_close(&image);
2779 return retvaltemp;
2780 }
2781
2782 if (retval == ERROR_OK)
2783 {
2784 command_print(cmd_ctx, "verified %u bytes in %s",
2785 (unsigned int)image_size,
2786 duration_text);
2787 }
2788 free(duration_text);
2789
2790 image_close(&image);
2791
2792 return retval;
2793 }
2794
2795 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2796 {
2797 return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 1);
2798 }
2799
2800 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2801 {
2802 return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 0);
2803 }
2804
2805 static int handle_bp_command_list(struct command_context_s *cmd_ctx)
2806 {
2807 target_t *target = get_current_target(cmd_ctx);
2808 breakpoint_t *breakpoint = target->breakpoints;
2809 while (breakpoint)
2810 {
2811 if (breakpoint->type == BKPT_SOFT)
2812 {
2813 char* buf = buf_to_str(breakpoint->orig_instr,
2814 breakpoint->length, 16);
2815 command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i, 0x%s",
2816 breakpoint->address,
2817 breakpoint->length,
2818 breakpoint->set, buf);
2819 free(buf);
2820 }
2821 else
2822 {
2823 command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i",
2824 breakpoint->address,
2825 breakpoint->length, breakpoint->set);
2826 }
2827
2828 breakpoint = breakpoint->next;
2829 }
2830 return ERROR_OK;
2831 }
2832
2833 static int handle_bp_command_set(struct command_context_s *cmd_ctx,
2834 uint32_t addr, uint32_t length, int hw)
2835 {
2836 target_t *target = get_current_target(cmd_ctx);
2837 int retval = breakpoint_add(target, addr, length, hw);
2838 if (ERROR_OK == retval)
2839 command_print(cmd_ctx, "breakpoint set at 0x%8.8" PRIx32 "", addr);
2840 else
2841 LOG_ERROR("Failure setting breakpoint");
2842 return retval;
2843 }
2844
2845 static int handle_bp_command(struct command_context_s *cmd_ctx,
2846 char *cmd, char **args, int argc)
2847 {
2848 if (argc == 0)
2849 return handle_bp_command_list(cmd_ctx);
2850
2851 if (argc < 2 || argc > 3)
2852 {
2853 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2854 return ERROR_COMMAND_SYNTAX_ERROR;
2855 }
2856
2857 uint32_t addr;
2858 int retval = parse_u32(args[0], &addr);
2859 if (ERROR_OK != retval)
2860 return retval;
2861
2862 uint32_t length;
2863 retval = parse_u32(args[1], &length);
2864 if (ERROR_OK != retval)
2865 return retval;
2866
2867 int hw = BKPT_SOFT;
2868 if (argc == 3)
2869 {
2870 if (strcmp(args[2], "hw") == 0)
2871 hw = BKPT_HARD;
2872 else
2873 return ERROR_COMMAND_SYNTAX_ERROR;
2874 }
2875
2876 return handle_bp_command_set(cmd_ctx, addr, length, hw);
2877 }
2878
2879 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2880 {
2881 if (argc != 1)
2882 return ERROR_COMMAND_SYNTAX_ERROR;
2883
2884 uint32_t addr;
2885 int retval = parse_u32(args[0], &addr);
2886 if (ERROR_OK != retval)
2887 return retval;
2888
2889 target_t *target = get_current_target(cmd_ctx);
2890 breakpoint_remove(target, addr);
2891
2892 return ERROR_OK;
2893 }
2894
2895 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2896 {
2897 target_t *target = get_current_target(cmd_ctx);
2898
2899 if (argc == 0)
2900 {
2901 watchpoint_t *watchpoint = target->watchpoints;
2902
2903 while (watchpoint)
2904 {
2905 command_print(cmd_ctx,
2906 "address: 0x%8.8" PRIx32 ", len: 0x%8.8x, r/w/a: %i, value: 0x%8.8" PRIx32 ", mask: 0x%8.8" PRIx32 "",
2907 watchpoint->address,
2908 watchpoint->length,
2909 (int)(watchpoint->rw),
2910 watchpoint->value,
2911 watchpoint->mask);
2912 watchpoint = watchpoint->next;
2913 }
2914 return ERROR_OK;
2915 }
2916
2917 enum watchpoint_rw type = WPT_ACCESS;
2918 uint32_t addr = 0;
2919 uint32_t length = 0;
2920 uint32_t data_value = 0x0;
2921 uint32_t data_mask = 0xffffffff;
2922 int retval;
2923
2924 switch (argc)
2925 {
2926 case 5:
2927 retval = parse_u32(args[4], &data_mask);
2928 if (ERROR_OK != retval)
2929 return retval;
2930 // fall through
2931 case 4:
2932 retval = parse_u32(args[3], &data_value);
2933 if (ERROR_OK != retval)
2934 return retval;
2935 // fall through
2936 case 3:
2937 switch (args[2][0])
2938 {
2939 case 'r':
2940 type = WPT_READ;
2941 break;
2942 case 'w':
2943 type = WPT_WRITE;
2944 break;
2945 case 'a':
2946 type = WPT_ACCESS;
2947 break;
2948 default:
2949 LOG_ERROR("invalid watchpoint mode ('%c')", args[2][0]);
2950 return ERROR_COMMAND_SYNTAX_ERROR;
2951 }
2952 // fall through
2953 case 2:
2954 retval = parse_u32(args[1], &length);
2955 if (ERROR_OK != retval)
2956 return retval;
2957 retval = parse_u32(args[0], &addr);
2958 if (ERROR_OK != retval)
2959 return retval;
2960 break;
2961
2962 default:
2963 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2964 return ERROR_COMMAND_SYNTAX_ERROR;
2965 }
2966
2967 retval = watchpoint_add(target, addr, length, type,
2968 data_value, data_mask);
2969 if (ERROR_OK != retval)
2970 LOG_ERROR("Failure setting watchpoints");
2971
2972 return retval;
2973 }
2974
2975 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2976 {
2977 if (argc != 1)
2978 return ERROR_COMMAND_SYNTAX_ERROR;
2979
2980 uint32_t addr;
2981 int retval = parse_u32(args[0], &addr);
2982 if (ERROR_OK != retval)
2983 return retval;
2984
2985 target_t *target = get_current_target(cmd_ctx);
2986 watchpoint_remove(target, addr);
2987
2988 return ERROR_OK;
2989 }
2990
2991
2992 /**
2993 * Translate a virtual address to a physical address.
2994 *
2995 * The low-level target implementation must have logged a detailed error
2996 * which is forwarded to telnet/GDB session.
2997 */
2998 static int handle_virt2phys_command(command_context_t *cmd_ctx,
2999 char *cmd, char **args, int argc)
3000 {
3001 if (argc != 1)
3002 return ERROR_COMMAND_SYNTAX_ERROR;
3003
3004 uint32_t va;
3005 int retval = parse_u32(args[0], &va);
3006 if (ERROR_OK != retval)
3007 return retval;
3008 uint32_t pa;
3009
3010 target_t *target = get_current_target(cmd_ctx);
3011 retval = target->type->virt2phys(target, va, &pa);
3012 if (retval == ERROR_OK)
3013 command_print(cmd_ctx, "Physical address 0x%08" PRIx32 "", pa);
3014
3015 return retval;
3016 }
3017
3018 static void writeData(FILE *f, const void *data, size_t len)
3019 {
3020 size_t written = fwrite(data, 1, len, f);
3021 if (written != len)
3022 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
3023 }
3024
3025 static void writeLong(FILE *f, int l)
3026 {
3027 int i;
3028 for (i = 0; i < 4; i++)
3029 {
3030 char c = (l >> (i*8))&0xff;
3031 writeData(f, &c, 1);
3032 }
3033
3034 }
3035
3036 static void writeString(FILE *f, char *s)
3037 {
3038 writeData(f, s, strlen(s));
3039 }
3040
3041 /* Dump a gmon.out histogram file. */
3042 static void writeGmon(uint32_t *samples, uint32_t sampleNum, char *filename)
3043 {
3044 uint32_t i;
3045 FILE *f = fopen(filename, "w");
3046 if (f == NULL)
3047 return;
3048 writeString(f, "gmon");
3049 writeLong(f, 0x00000001); /* Version */
3050 writeLong(f, 0); /* padding */
3051 writeLong(f, 0); /* padding */
3052 writeLong(f, 0); /* padding */
3053
3054 uint8_t zero = 0; /* GMON_TAG_TIME_HIST */
3055 writeData(f, &zero, 1);
3056
3057 /* figure out bucket size */
3058 uint32_t min = samples[0];
3059 uint32_t max = samples[0];
3060 for (i = 0; i < sampleNum; i++)
3061 {
3062 if (min > samples[i])
3063 {
3064 min = samples[i];
3065 }
3066 if (max < samples[i])
3067 {
3068 max = samples[i];
3069 }
3070 }
3071
3072 int addressSpace = (max-min + 1);
3073
3074 static const uint32_t maxBuckets = 256 * 1024; /* maximum buckets. */
3075 uint32_t length = addressSpace;
3076 if (length > maxBuckets)
3077 {
3078 length = maxBuckets;
3079 }
3080 int *buckets = malloc(sizeof(int)*length);
3081 if (buckets == NULL)
3082 {
3083 fclose(f);
3084 return;
3085 }
3086 memset(buckets, 0, sizeof(int)*length);
3087 for (i = 0; i < sampleNum;i++)
3088 {
3089 uint32_t address = samples[i];
3090 long long a = address-min;
3091 long long b = length-1;
3092 long long c = addressSpace-1;
3093 int index = (a*b)/c; /* danger!!!! int32 overflows */
3094 buckets[index]++;
3095 }
3096
3097 /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
3098 writeLong(f, min); /* low_pc */
3099 writeLong(f, max); /* high_pc */
3100 writeLong(f, length); /* # of samples */
3101 writeLong(f, 64000000); /* 64MHz */
3102 writeString(f, "seconds");
3103 for (i = 0; i < (15-strlen("seconds")); i++)
3104 writeData(f, &zero, 1);
3105 writeString(f, "s");
3106
3107 /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
3108
3109 char *data = malloc(2*length);
3110 if (data != NULL)
3111 {
3112 for (i = 0; i < length;i++)
3113 {
3114 int val;
3115 val = buckets[i];
3116 if (val > 65535)
3117 {
3118 val = 65535;
3119 }
3120 data[i*2]=val&0xff;
3121 data[i*2 + 1]=(val >> 8)&0xff;
3122 }
3123 free(buckets);
3124 writeData(f, data, length * 2);
3125 free(data);
3126 } else
3127 {
3128 free(buckets);
3129 }
3130
3131 fclose(f);
3132 }
3133
3134 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
3135 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
3136 {
3137 target_t *target = get_current_target(cmd_ctx);
3138 struct timeval timeout, now;
3139
3140 gettimeofday(&timeout, NULL);
3141 if (argc != 2)
3142 {
3143 return ERROR_COMMAND_SYNTAX_ERROR;
3144 }
3145 unsigned offset;
3146 int retval = parse_uint(args[0], &offset);
3147 if (ERROR_OK != retval)
3148 return retval;
3149
3150 timeval_add_time(&timeout, offset, 0);
3151
3152 command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
3153
3154 static const int maxSample = 10000;
3155 uint32_t *samples = malloc(sizeof(uint32_t)*maxSample);
3156 if (samples == NULL)
3157 return ERROR_OK;
3158
3159 int numSamples = 0;
3160 /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
3161 reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
3162
3163 for (;;)
3164 {
3165 target_poll(target);
3166 if (target->state == TARGET_HALTED)
3167 {
3168 uint32_t t=*((uint32_t *)reg->value);
3169 samples[numSamples++]=t;
3170 retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3171 target_poll(target);
3172 alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
3173 } else if (target->state == TARGET_RUNNING)
3174 {
3175 /* We want to quickly sample the PC. */
3176 if ((retval = target_halt(target)) != ERROR_OK)
3177 {
3178 free(samples);
3179 return retval;
3180 }
3181 } else
3182 {
3183 command_print(cmd_ctx, "Target not halted or running");
3184 retval = ERROR_OK;
3185 break;
3186 }
3187 if (retval != ERROR_OK)
3188 {
3189 break;
3190 }
3191
3192 gettimeofday(&now, NULL);
3193 if ((numSamples >= maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
3194 {
3195 command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
3196 if ((retval = target_poll(target)) != ERROR_OK)
3197 {
3198 free(samples);
3199 return retval;
3200 }
3201 if (target->state == TARGET_HALTED)
3202 {
3203 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3204 }
3205 if ((retval = target_poll(target)) != ERROR_OK)
3206 {
3207 free(samples);
3208 return retval;
3209 }
3210 writeGmon(samples, numSamples, args[1]);
3211 command_print(cmd_ctx, "Wrote %s", args[1]);
3212 break;
3213 }
3214 }
3215 free(samples);
3216
3217 return ERROR_OK;
3218 }
3219
3220 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t val)
3221 {
3222 char *namebuf;
3223 Jim_Obj *nameObjPtr, *valObjPtr;
3224 int result;
3225
3226 namebuf = alloc_printf("%s(%d)", varname, idx);
3227 if (!namebuf)
3228 return JIM_ERR;
3229
3230 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3231 valObjPtr = Jim_NewIntObj(interp, val);
3232 if (!nameObjPtr || !valObjPtr)
3233 {
3234 free(namebuf);
3235 return JIM_ERR;
3236 }
3237
3238 Jim_IncrRefCount(nameObjPtr);
3239 Jim_IncrRefCount(valObjPtr);
3240 result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
3241 Jim_DecrRefCount(interp, nameObjPtr);
3242 Jim_DecrRefCount(interp, valObjPtr);
3243 free(namebuf);
3244 /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
3245 return result;
3246 }
3247
3248 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3249 {
3250 command_context_t *context;
3251 target_t *target;
3252
3253 context = Jim_GetAssocData(interp, "context");
3254 if (context == NULL)
3255 {
3256 LOG_ERROR("mem2array: no command context");
3257 return JIM_ERR;
3258 }
3259 target = get_current_target(context);
3260 if (target == NULL)
3261 {
3262 LOG_ERROR("mem2array: no current target");
3263 return JIM_ERR;
3264 }
3265
3266 return target_mem2array(interp, target, argc-1, argv + 1);
3267 }
3268
3269 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
3270 {
3271 long l;
3272 uint32_t width;
3273 int len;
3274 uint32_t addr;
3275 uint32_t count;
3276 uint32_t v;
3277 const char *varname;
3278 uint8_t buffer[4096];
3279 int n, e, retval;
3280 uint32_t i;
3281
3282 /* argv[1] = name of array to receive the data
3283 * argv[2] = desired width
3284 * argv[3] = memory address
3285 * argv[4] = count of times to read
3286 */
3287 if (argc != 4) {
3288 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3289 return JIM_ERR;
3290 }
3291 varname = Jim_GetString(argv[0], &len);
3292 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3293
3294 e = Jim_GetLong(interp, argv[1], &l);
3295 width = l;
3296 if (e != JIM_OK) {
3297 return e;
3298 }
3299
3300 e = Jim_GetLong(interp, argv[2], &l);
3301 addr = l;
3302 if (e != JIM_OK) {
3303 return e;
3304 }
3305 e = Jim_GetLong(interp, argv[3], &l);
3306 len = l;
3307 if (e != JIM_OK) {
3308 return e;
3309 }
3310 switch (width) {
3311 case 8:
3312 width = 1;
3313 break;
3314 case 16:
3315 width = 2;
3316 break;
3317 case 32:
3318 width = 4;
3319 break;
3320 default:
3321 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3322 Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3323 return JIM_ERR;
3324 }
3325 if (len == 0) {
3326 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3327 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
3328 return JIM_ERR;
3329 }
3330 if ((addr + (len * width)) < addr) {
3331 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3332 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
3333 return JIM_ERR;
3334 }
3335 /* absurd transfer size? */
3336 if (len > 65536) {
3337 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3338 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
3339 return JIM_ERR;
3340 }
3341
3342 if ((width == 1) ||
3343 ((width == 2) && ((addr & 1) == 0)) ||
3344 ((width == 4) && ((addr & 3) == 0))) {
3345 /* all is well */
3346 } else {
3347 char buf[100];
3348 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3349 sprintf(buf, "mem2array address: 0x%08" PRIx32 " is not aligned for %" PRId32 " byte reads",
3350 addr,
3351 width);
3352 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3353 return JIM_ERR;
3354 }
3355
3356 /* Transfer loop */
3357
3358 /* index counter */
3359 n = 0;
3360 /* assume ok */
3361 e = JIM_OK;
3362 while (len) {
3363 /* Slurp... in buffer size chunks */
3364
3365 count = len; /* in objects.. */
3366 if (count > (sizeof(buffer)/width)) {
3367 count = (sizeof(buffer)/width);
3368 }
3369
3370 retval = target_read_memory(target, addr, width, count, buffer);
3371 if (retval != ERROR_OK) {
3372 /* BOO !*/
3373 LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed",
3374 (unsigned int)addr,
3375 (int)width,
3376 (int)count);
3377 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3378 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
3379 e = JIM_ERR;
3380 len = 0;
3381 } else {
3382 v = 0; /* shut up gcc */
3383 for (i = 0 ;i < count ;i++, n++) {
3384 switch (width) {
3385 case 4:
3386 v = target_buffer_get_u32(target, &buffer[i*width]);
3387 break;
3388 case 2:
3389 v = target_buffer_get_u16(target, &buffer[i*width]);
3390 break;
3391 case 1:
3392 v = buffer[i] & 0x0ff;
3393 break;
3394 }
3395 new_int_array_element(interp, varname, n, v);
3396 }
3397 len -= count;
3398 }
3399 }
3400
3401 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3402
3403 return JIM_OK;
3404 }
3405
3406 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t *val)
3407 {
3408 char *namebuf;
3409 Jim_Obj *nameObjPtr, *valObjPtr;
3410 int result;
3411 long l;
3412
3413 namebuf = alloc_printf("%s(%d)", varname, idx);
3414 if (!namebuf)
3415 return JIM_ERR;
3416
3417 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3418 if (!nameObjPtr)
3419 {
3420 free(namebuf);
3421 return JIM_ERR;
3422 }
3423
3424 Jim_IncrRefCount(nameObjPtr);
3425 valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
3426 Jim_DecrRefCount(interp, nameObjPtr);
3427 free(namebuf);
3428 if (valObjPtr == NULL)
3429 return JIM_ERR;
3430
3431 result = Jim_GetLong(interp, valObjPtr, &l);
3432 /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
3433 *val = l;
3434 return result;
3435 }
3436
3437 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3438 {
3439 command_context_t *context;
3440 target_t *target;
3441
3442 context = Jim_GetAssocData(interp, "context");
3443 if (context == NULL) {
3444 LOG_ERROR("array2mem: no command context");
3445 return JIM_ERR;
3446 }
3447 target = get_current_target(context);
3448 if (target == NULL) {
3449 LOG_ERROR("array2mem: no current target");
3450 return JIM_ERR;
3451 }
3452
3453 return target_array2mem(interp,target, argc-1, argv + 1);
3454 }
3455 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
3456 {
3457 long l;
3458 uint32_t width;
3459 int len;
3460 uint32_t addr;
3461 uint32_t count;
3462 uint32_t v;
3463 const char *varname;
3464 uint8_t buffer[4096];
3465 int n, e, retval;
3466 uint32_t i;
3467
3468 /* argv[1] = name of array to get the data
3469 * argv[2] = desired width
3470 * argv[3] = memory address
3471 * argv[4] = count to write
3472 */
3473 if (argc != 4) {
3474 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3475 return JIM_ERR;
3476 }
3477 varname = Jim_GetString(argv[0], &len);
3478 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3479
3480 e = Jim_GetLong(interp, argv[1], &l);
3481 width = l;
3482 if (e != JIM_OK) {
3483 return e;
3484 }
3485
3486 e = Jim_GetLong(interp, argv[2], &l);
3487 addr = l;
3488 if (e != JIM_OK) {
3489 return e;
3490 }
3491 e = Jim_GetLong(interp, argv[3], &l);
3492 len = l;
3493 if (e != JIM_OK) {
3494 return e;
3495 }
3496 switch (width) {
3497 case 8:
3498 width = 1;
3499 break;
3500 case 16:
3501 width = 2;
3502 break;
3503 case 32:
3504 width = 4;
3505 break;
3506 default:
3507 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3508 Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3509 return JIM_ERR;
3510 }
3511 if (len == 0) {
3512 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3513 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
3514 return JIM_ERR;
3515 }
3516 if ((addr + (len * width)) < addr) {
3517 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3518 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
3519 return JIM_ERR;
3520 }
3521 /* absurd transfer size? */
3522 if (len > 65536) {
3523 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3524 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
3525 return JIM_ERR;
3526 }
3527
3528 if ((width == 1) ||
3529 ((width == 2) && ((addr & 1) == 0)) ||
3530 ((width == 4) && ((addr & 3) == 0))) {
3531 /* all is well */
3532 } else {
3533 char buf[100];
3534 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3535 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads",
3536 (unsigned int)addr,
3537 (int)width);
3538 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3539 return JIM_ERR;
3540 }
3541
3542 /* Transfer loop */
3543
3544 /* index counter */
3545 n = 0;
3546 /* assume ok */
3547 e = JIM_OK;
3548 while (len) {
3549 /* Slurp... in buffer size chunks */
3550
3551 count = len; /* in objects.. */
3552 if (count > (sizeof(buffer)/width)) {
3553 count = (sizeof(buffer)/width);
3554 }
3555
3556 v = 0; /* shut up gcc */
3557 for (i = 0 ;i < count ;i++, n++) {
3558 get_int_array_element(interp, varname, n, &v);
3559 switch (width) {
3560 case 4:
3561 target_buffer_set_u32(target, &buffer[i*width], v);
3562 break;
3563 case 2:
3564 target_buffer_set_u16(target, &buffer[i*width], v);
3565 break;
3566 case 1:
3567 buffer[i] = v & 0x0ff;
3568 break;
3569 }
3570 }
3571 len -= count;
3572
3573 retval = target_write_memory(target, addr, width, count, buffer);
3574 if (retval != ERROR_OK) {
3575 /* BOO !*/
3576 LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed",
3577 (unsigned int)addr,
3578 (int)width,
3579 (int)count);
3580 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3581 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3582 e = JIM_ERR;
3583 len = 0;
3584 }
3585 }
3586
3587 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3588
3589 return JIM_OK;
3590 }
3591
3592 void target_all_handle_event(enum target_event e)
3593 {
3594 target_t *target;
3595
3596 LOG_DEBUG("**all*targets: event: %d, %s",
3597 (int)e,
3598 Jim_Nvp_value2name_simple(nvp_target_event, e)->name);
3599
3600 target = all_targets;
3601 while (target) {
3602 target_handle_event(target, e);
3603 target = target->next;
3604 }
3605 }
3606
3607
3608 /* FIX? should we propagate errors here rather than printing them
3609 * and continuing?
3610 */
3611 void target_handle_event(target_t *target, enum target_event e)
3612 {
3613 target_event_action_t *teap;
3614
3615 for (teap = target->event_action; teap != NULL; teap = teap->next) {
3616 if (teap->event == e) {
3617 LOG_DEBUG("target: (%d) %s (%s) event: %d (%s) action: %s",
3618 target->target_number,
3619 target->cmd_name,
3620 target_get_name(target),
3621 e,
3622 Jim_Nvp_value2name_simple(nvp_target_event, e)->name,
3623 Jim_GetString(teap->body, NULL));
3624 if (Jim_EvalObj(interp, teap->body) != JIM_OK)
3625 {
3626 Jim_PrintErrorMessage(interp);
3627 }
3628 }
3629 }
3630 }
3631
3632 enum target_cfg_param {
3633 TCFG_TYPE,
3634 TCFG_EVENT,
3635 TCFG_WORK_AREA_VIRT,
3636 TCFG_WORK_AREA_PHYS,
3637 TCFG_WORK_AREA_SIZE,
3638 TCFG_WORK_AREA_BACKUP,
3639 TCFG_ENDIAN,
3640 TCFG_VARIANT,
3641 TCFG_CHAIN_POSITION,
3642 };
3643
3644 static Jim_Nvp nvp_config_opts[] = {
3645 { .name = "-type", .value = TCFG_TYPE },
3646 { .name = "-event", .value = TCFG_EVENT },
3647 { .name = "-work-area-virt", .value = TCFG_WORK_AREA_VIRT },
3648 { .name = "-work-area-phys", .value = TCFG_WORK_AREA_PHYS },
3649 { .name = "-work-area-size", .value = TCFG_WORK_AREA_SIZE },
3650 { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3651 { .name = "-endian" , .value = TCFG_ENDIAN },
3652 { .name = "-variant", .value = TCFG_VARIANT },
3653 { .name = "-chain-position", .value = TCFG_CHAIN_POSITION },
3654
3655 { .name = NULL, .value = -1 }
3656 };
3657
3658 static int target_configure(Jim_GetOptInfo *goi, target_t *target)
3659 {
3660 Jim_Nvp *n;
3661 Jim_Obj *o;
3662 jim_wide w;
3663 char *cp;
3664 int e;
3665
3666 /* parse config or cget options ... */
3667 while (goi->argc > 0) {
3668 Jim_SetEmptyResult(goi->interp);
3669 /* Jim_GetOpt_Debug(goi); */
3670
3671 if (target->type->target_jim_configure) {
3672 /* target defines a configure function */
3673 /* target gets first dibs on parameters */
3674 e = (*(target->type->target_jim_configure))(target, goi);
3675 if (e == JIM_OK) {
3676 /* more? */
3677 continue;
3678 }
3679 if (e == JIM_ERR) {
3680 /* An error */
3681 return e;
3682 }
3683 /* otherwise we 'continue' below */
3684 }
3685 e = Jim_GetOpt_Nvp(goi, nvp_config_opts, &n);
3686 if (e != JIM_OK) {
3687 Jim_GetOpt_NvpUnknown(goi, nvp_config_opts, 0);
3688 return e;
3689 }
3690 switch (n->value) {
3691 case TCFG_TYPE:
3692 /* not setable */
3693 if (goi->isconfigure) {
3694 Jim_SetResult_sprintf(goi->interp, "not setable: %s", n->name);
3695 return JIM_ERR;
3696 } else {
3697 no_params:
3698 if (goi->argc != 0) {
3699 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "NO PARAMS");
3700 return JIM_ERR;
3701 }
3702 }
3703 Jim_SetResultString(goi->interp, target_get_name(target), -1);
3704 /* loop for more */
3705 break;
3706 case TCFG_EVENT:
3707 if (goi->argc == 0) {
3708 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3709 return JIM_ERR;
3710 }
3711
3712 e = Jim_GetOpt_Nvp(goi, nvp_target_event, &n);
3713 if (e != JIM_OK) {
3714 Jim_GetOpt_NvpUnknown(goi, nvp_target_event, 1);
3715 return e;
3716 }
3717
3718 if (goi->isconfigure) {
3719 if (goi->argc != 1) {
3720 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3721 return JIM_ERR;
3722 }
3723 } else {
3724 if (goi->argc != 0) {
3725 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3726 return JIM_ERR;
3727 }
3728 }
3729
3730 {
3731 target_event_action_t *teap;
3732
3733 teap = target->event_action;
3734 /* replace existing? */
3735 while (teap) {
3736 if (teap->event == (enum target_event)n->value) {
3737 break;
3738 }
3739 teap = teap->next;
3740 }
3741
3742 if (goi->isconfigure) {
3743 bool replace = true;
3744 if (teap == NULL) {
3745 /* create new */
3746 teap = calloc(1, sizeof(*teap));
3747 replace = false;
3748 }
3749 teap->event = n->value;
3750 Jim_GetOpt_Obj(goi, &o);
3751 if (teap->body) {
3752 Jim_DecrRefCount(interp, teap->body);
3753 }
3754 teap->body = Jim_DuplicateObj(goi->interp, o);
3755 /*
3756 * FIXME:
3757 * Tcl/TK - "tk events" have a nice feature.
3758 * See the "BIND" command.
3759 * We should support that here.
3760 * You can specify %X and %Y in the event code.
3761 * The idea is: %T - target name.
3762 * The idea is: %N - target number
3763 * The idea is: %E - event name.
3764 */
3765 Jim_IncrRefCount(teap->body);
3766
3767 if (!replace)
3768 {
3769 /* add to head of event list */
3770 teap->next = target->event_action;
3771 target->event_action = teap;
3772 }
3773 Jim_SetEmptyResult(goi->interp);
3774 } else {
3775 /* get */
3776 if (teap == NULL) {
3777 Jim_SetEmptyResult(goi->interp);
3778 } else {
3779 Jim_SetResult(goi->interp, Jim_DuplicateObj(goi->interp, teap->body));
3780 }
3781 }
3782 }
3783 /* loop for more */
3784 break;
3785
3786 case TCFG_WORK_AREA_VIRT:
3787 if (goi->isconfigure) {
3788 target_free_all_working_areas(target);
3789 e = Jim_GetOpt_Wide(goi, &w);
3790 if (e != JIM_OK) {
3791 return e;
3792 }
3793 target->working_area_virt = w;
3794 target->working_area_virt_spec = true;
3795 } else {
3796 if (goi->argc != 0) {
3797 goto no_params;
3798 }
3799 }
3800 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_virt));
3801 /* loop for more */
3802 break;
3803
3804 case TCFG_WORK_AREA_PHYS:
3805 if (goi->isconfigure) {
3806 target_free_all_working_areas(target);
3807 e = Jim_GetOpt_Wide(goi, &w);
3808 if (e != JIM_OK) {
3809 return e;
3810 }
3811 target->working_area_phys = w;
3812 target->working_area_phys_spec = true;
3813 } else {
3814 if (goi->argc != 0) {
3815 goto no_params;
3816 }
3817 }
3818 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_phys));
3819 /* loop for more */
3820 break;
3821
3822 case TCFG_WORK_AREA_SIZE:
3823 if (goi->isconfigure) {
3824 target_free_all_working_areas(target);
3825 e = Jim_GetOpt_Wide(goi, &w);
3826 if (e != JIM_OK) {
3827 return e;
3828 }
3829 target->working_area_size = w;
3830 } else {
3831 if (goi->argc != 0) {
3832 goto no_params;
3833 }
3834 }
3835 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_size));
3836 /* loop for more */
3837 break;
3838
3839 case TCFG_WORK_AREA_BACKUP:
3840 if (goi->isconfigure) {
3841 target_free_all_working_areas(target);
3842 e = Jim_GetOpt_Wide(goi, &w);
3843 if (e != JIM_OK) {
3844 return e;
3845 }
3846 /* make this exactly 1 or 0 */
3847 target->backup_working_area = (!!w);
3848 } else {
3849 if (goi->argc != 0) {
3850 goto no_params;
3851 }
3852 }
3853 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->backup_working_area));
3854 /* loop for more e*/
3855 break;
3856
3857 case TCFG_ENDIAN:
3858 if (goi->isconfigure) {
3859 e = Jim_GetOpt_Nvp(goi, nvp_target_endian, &n);
3860 if (e != JIM_OK) {
3861 Jim_GetOpt_NvpUnknown(goi, nvp_target_endian, 1);
3862 return e;
3863 }
3864 target->endianness = n->value;
3865 } else {
3866 if (goi->argc != 0) {
3867 goto no_params;
3868 }
3869 }
3870 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
3871 if (n->name == NULL) {
3872 target->endianness = TARGET_LITTLE_ENDIAN;
3873 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
3874 }
3875 Jim_SetResultString(goi->interp, n->name, -1);
3876 /* loop for more */
3877 break;
3878
3879 case TCFG_VARIANT:
3880 if (goi->isconfigure) {
3881 if (goi->argc < 1) {
3882 Jim_SetResult_sprintf(goi->interp,
3883 "%s ?STRING?",
3884 n->name);
3885 return JIM_ERR;
3886 }
3887 if (target->variant) {
3888 free((void *)(target->variant));
3889 }
3890 e = Jim_GetOpt_String(goi, &cp, NULL);
3891 target->variant = strdup(cp);
3892 } else {
3893 if (goi->argc != 0) {
3894 goto no_params;
3895 }
3896 }
3897 Jim_SetResultString(goi->interp, target->variant,-1);
3898 /* loop for more */
3899 break;
3900 case TCFG_CHAIN_POSITION:
3901 if (goi->isconfigure) {
3902 Jim_Obj *o;
3903 jtag_tap_t *tap;
3904 target_free_all_working_areas(target);
3905 e = Jim_GetOpt_Obj(goi, &o);
3906 if (e != JIM_OK) {
3907 return e;
3908 }
3909 tap = jtag_tap_by_jim_obj(goi->interp, o);
3910 if (tap == NULL) {
3911 return JIM_ERR;
3912 }
3913 /* make this exactly 1 or 0 */
3914 target->tap = tap;
3915 } else {
3916 if (goi->argc != 0) {
3917 goto no_params;
3918 }
3919 }
3920 Jim_SetResultString(interp, target->tap->dotted_name, -1);
3921 /* loop for more e*/
3922 break;
3923 }
3924 } /* while (goi->argc) */
3925
3926
3927 /* done - we return */
3928 return JIM_OK;
3929 }
3930
3931 /** this is the 'tcl' handler for the target specific command */
3932 static int tcl_target_func(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3933 {
3934 Jim_GetOptInfo goi;
3935 jim_wide a,b,c;
3936 int x,y,z;
3937 uint8_t target_buf[32];
3938 Jim_Nvp *n;
3939 target_t *target;
3940 struct command_context_s *cmd_ctx;
3941 int e;
3942
3943 enum {
3944 TS_CMD_CONFIGURE,
3945 TS_CMD_CGET,
3946
3947 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3948 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3949 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3950 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3951 TS_CMD_EXAMINE,
3952 TS_CMD_POLL,
3953 TS_CMD_RESET,
3954 TS_CMD_HALT,
3955 TS_CMD_WAITSTATE,
3956 TS_CMD_EVENTLIST,
3957 TS_CMD_CURSTATE,
3958 TS_CMD_INVOKE_EVENT,
3959 };
3960
3961 static const Jim_Nvp target_options[] = {
3962 { .name = "configure", .value = TS_CMD_CONFIGURE },
3963 { .name = "cget", .value = TS_CMD_CGET },
3964 { .name = "mww", .value = TS_CMD_MWW },
3965 { .name = "mwh", .value = TS_CMD_MWH },
3966 { .name = "mwb", .value = TS_CMD_MWB },
3967 { .name = "mdw", .value = TS_CMD_MDW },
3968 { .name = "mdh", .value = TS_CMD_MDH },
3969 { .name = "mdb", .value = TS_CMD_MDB },
3970 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3971 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3972 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3973 { .name = "curstate", .value = TS_CMD_CURSTATE },
3974
3975 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3976 { .name = "arp_poll", .value = TS_CMD_POLL },
3977 { .name = "arp_reset", .value = TS_CMD_RESET },
3978 { .name = "arp_halt", .value = TS_CMD_HALT },
3979 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3980 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3981
3982 { .name = NULL, .value = -1 },
3983 };
3984
3985 /* go past the "command" */
3986 Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
3987
3988 target = Jim_CmdPrivData(goi.interp);
3989 cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3990
3991 /* commands here are in an NVP table */
3992 e = Jim_GetOpt_Nvp(&goi, target_options, &n);
3993 if (e != JIM_OK) {
3994 Jim_GetOpt_NvpUnknown(&goi, target_options, 0);
3995 return e;
3996 }
3997 /* Assume blank result */
3998 Jim_SetEmptyResult(goi.interp);
3999
4000 switch (n->value) {
4001 case TS_CMD_CONFIGURE:
4002 if (goi.argc < 2) {
4003 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
4004 return JIM_ERR;
4005 }
4006 goi.isconfigure = 1;
4007 return target_configure(&goi, target);
4008 case TS_CMD_CGET:
4009 // some things take params
4010 if (goi.argc < 1) {
4011 Jim_WrongNumArgs(goi.interp, 0, goi.argv, "missing: ?-option?");
4012 return JIM_ERR;
4013 }
4014 goi.isconfigure = 0;
4015 return target_configure(&goi, target);
4016 break;
4017 case TS_CMD_MWW:
4018 case TS_CMD_MWH:
4019 case TS_CMD_MWB:
4020 /* argv[0] = cmd
4021 * argv[1] = address
4022 * argv[2] = data
4023 * argv[3] = optional count.
4024 */
4025
4026 if ((goi.argc == 2) || (goi.argc == 3)) {
4027 /* all is well */
4028 } else {
4029 mwx_error:
4030 Jim_SetResult_sprintf(goi.interp, "expected: %s ADDR DATA [COUNT]", n->name);
4031 return JIM_ERR;
4032 }
4033
4034 e = Jim_GetOpt_Wide(&goi, &a);
4035 if (e != JIM_OK) {
4036 goto mwx_error;
4037 }
4038
4039 e = Jim_GetOpt_Wide(&goi, &b);
4040 if (e != JIM_OK) {
4041 goto mwx_error;
4042 }
4043 if (goi.argc == 3) {
4044 e = Jim_GetOpt_Wide(&goi, &c);
4045 if (e != JIM_OK) {
4046 goto mwx_error;
4047 }
4048 } else {
4049 c = 1;
4050 }
4051
4052 switch (n->value) {
4053 case TS_CMD_MWW:
4054 target_buffer_set_u32(target, target_buf, b);
4055 b = 4;
4056 break;
4057 case TS_CMD_MWH:
4058 target_buffer_set_u16(target, target_buf, b);
4059 b = 2;
4060 break;
4061 case TS_CMD_MWB:
4062 target_buffer_set_u8(target, target_buf, b);
4063 b = 1;
4064 break;
4065 }
4066 for (x = 0 ; x < c ; x++) {
4067 e = target_write_memory(target, a, b, 1, target_buf);
4068 if (e != ERROR_OK) {
4069 Jim_SetResult_sprintf(interp, "Error writing @ 0x%08x: %d\n", (int)(a), e);
4070 return JIM_ERR;
4071 }
4072 /* b = width */
4073 a = a + b;
4074 }
4075 return JIM_OK;
4076 break;
4077
4078 /* display */
4079 case TS_CMD_MDW:
4080 case TS_CMD_MDH:
4081 case TS_CMD_MDB:
4082 /* argv[0] = command
4083 * argv[1] = address
4084 * argv[2] = optional count
4085 */
4086 if ((goi.argc == 2) || (goi.argc == 3)) {
4087 Jim_SetResult_sprintf(goi.interp, "expected: %s ADDR [COUNT]", n->name);
4088 return JIM_ERR;
4089 }
4090 e = Jim_GetOpt_Wide(&goi, &a);
4091 if (e != JIM_OK) {
4092 return JIM_ERR;
4093 }
4094 if (goi.argc) {
4095 e = Jim_GetOpt_Wide(&goi, &c);
4096 if (e != JIM_OK) {
4097 return JIM_ERR;
4098 }
4099 } else {
4100 c = 1;
4101 }
4102 b = 1; /* shut up gcc */
4103 switch (n->value) {
4104 case TS_CMD_MDW:
4105 b = 4;
4106 break;
4107 case TS_CMD_MDH:
4108 b = 2;
4109 break;
4110 case TS_CMD_MDB:
4111 b = 1;
4112 break;
4113 }
4114
4115 /* convert to "bytes" */
4116 c = c * b;
4117 /* count is now in 'BYTES' */
4118 while (c > 0) {
4119 y = c;
4120 if (y > 16) {
4121 y = 16;
4122 }
4123 e = target_read_memory(target, a, b, y / b, target_buf);
4124 if (e != ERROR_OK) {
4125 Jim_SetResult_sprintf(interp, "error reading target @ 0x%08lx", (int)(a));
4126 return JIM_ERR;
4127 }
4128
4129 Jim_fprintf(interp, interp->cookie_stdout, "0x%08x ", (int)(a));
4130 switch (b) {
4131 case 4:
4132 for (x = 0 ; (x < 16) && (x < y) ; x += 4) {
4133 z = target_buffer_get_u32(target, &(target_buf[ x * 4 ]));
4134 Jim_fprintf(interp, interp->cookie_stdout, "%08x ", (int)(z));
4135 }
4136 for (; (x < 16) ; x += 4) {
4137 Jim_fprintf(interp, interp->cookie_stdout, " ");
4138 }
4139 break;
4140 case 2:
4141 for (x = 0 ; (x < 16) && (x < y) ; x += 2) {
4142 z = target_buffer_get_u16(target, &(target_buf[ x * 2 ]));
4143 Jim_fprintf(interp, interp->cookie_stdout, "%04x ", (int)(z));
4144 }
4145 for (; (x < 16) ; x += 2) {
4146 Jim_fprintf(interp, interp->cookie_stdout, " ");
4147 }
4148 break;
4149 case 1:
4150 default:
4151 for (x = 0 ; (x < 16) && (x < y) ; x += 1) {
4152 z = target_buffer_get_u8(target, &(target_buf[ x * 4 ]));
4153 Jim_fprintf(interp, interp->cookie_stdout, "%02x ", (int)(z));
4154 }
4155 for (; (x < 16) ; x += 1) {
4156 Jim_fprintf(interp, interp->cookie_stdout, " ");
4157 }
4158 break;
4159 }
4160 /* ascii-ify the bytes */
4161 for (x = 0 ; x < y ; x++) {
4162 if ((target_buf[x] >= 0x20) &&
4163 (target_buf[x] <= 0x7e)) {
4164 /* good */
4165 } else {
4166 /* smack it */
4167 target_buf[x] = '.';
4168 }
4169 }
4170 /* space pad */
4171 while (x < 16) {
4172 target_buf[x] = ' ';
4173 x++;
4174 }
4175 /* terminate */
4176 target_buf[16] = 0;
4177 /* print - with a newline */
4178 Jim_fprintf(interp, interp->cookie_stdout, "%s\n", target_buf);
4179 /* NEXT... */
4180 c -= 16;
4181 a += 16;
4182 }
4183 return JIM_OK;
4184 case TS_CMD_MEM2ARRAY:
4185 return target_mem2array(goi.interp, target, goi.argc, goi.argv);
4186 break;
4187 case TS_CMD_ARRAY2MEM:
4188 return target_array2mem(goi.interp, target, goi.argc, goi.argv);
4189 break;
4190 case TS_CMD_EXAMINE:
4191 if (goi.argc) {
4192 Jim_WrongNumArgs(goi.interp, 2, argv, "[no parameters]");
4193 return JIM_ERR;
4194 }
4195 if (!target->tap->enabled)
4196 goto err_tap_disabled;
4197 e = target->type->examine(target);
4198 if (e != ERROR_OK) {
4199 Jim_SetResult_sprintf(interp, "examine-fails: %d", e);
4200 return JIM_ERR;
4201 }
4202 return JIM_OK;
4203 case TS_CMD_POLL:
4204 if (goi.argc) {
4205 Jim_WrongNumArgs(goi.interp, 2, argv, "[no parameters]");
4206 return JIM_ERR;
4207 }
4208 if (!target->tap->enabled)
4209 goto err_tap_disabled;
4210 if (!(target_was_examined(target))) {
4211 e = ERROR_TARGET_NOT_EXAMINED;
4212 } else {
4213 e = target->type->poll(target);
4214 }
4215 if (e != ERROR_OK) {
4216 Jim_SetResult_sprintf(interp, "poll-fails: %d", e);
4217 return JIM_ERR;
4218 } else {
4219 return JIM_OK;
4220 }
4221 break;
4222 case TS_CMD_RESET:
4223 if (goi.argc != 2) {
4224 Jim_WrongNumArgs(interp, 2, argv,
4225 "([tT]|[fF]|assert|deassert) BOOL");
4226 return JIM_ERR;
4227 }
4228 e = Jim_GetOpt_Nvp(&goi, nvp_assert, &n);
4229 if (e != JIM_OK) {
4230 Jim_GetOpt_NvpUnknown(&goi, nvp_assert, 1);
4231 return e;
4232 }
4233 /* the halt or not param */
4234 e = Jim_GetOpt_Wide(&goi, &a);
4235 if (e != JIM_OK) {
4236 return e;
4237 }
4238 if (!target->tap->enabled)
4239 goto err_tap_disabled;
4240 if (!target->type->assert_reset
4241 || !target->type->deassert_reset) {
4242 Jim_SetResult_sprintf(interp,
4243 "No target-specific reset for %s",
4244 target->cmd_name);
4245 return JIM_ERR;
4246 }
4247 /* determine if we should halt or not. */
4248 target->reset_halt = !!a;
4249 /* When this happens - all workareas are invalid. */
4250 target_free_all_working_areas_restore(target, 0);
4251
4252 /* do the assert */
4253 if (n->value == NVP_ASSERT) {
4254 e = target->type->assert_reset(target);
4255 } else {
4256 e = target->type->deassert_reset(target);
4257 }
4258 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4259 case TS_CMD_HALT:
4260 if (goi.argc) {
4261 Jim_WrongNumArgs(goi.interp, 0, argv, "halt [no parameters]");
4262 return JIM_ERR;
4263 }
4264 if (!target->tap->enabled)
4265 goto err_tap_disabled;
4266 e = target->type->halt(target);
4267 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4268 case TS_CMD_WAITSTATE:
4269 /* params: <name> statename timeoutmsecs */
4270 if (goi.argc != 2) {
4271 Jim_SetResult_sprintf(goi.interp, "%s STATENAME TIMEOUTMSECS", n->name);
4272 return JIM_ERR;
4273 }
4274 e = Jim_GetOpt_Nvp(&goi, nvp_target_state, &n);
4275 if (e != JIM_OK) {
4276 Jim_GetOpt_NvpUnknown(&goi, nvp_target_state,1);
4277 return e;
4278 }
4279 e = Jim_GetOpt_Wide(&goi, &a);
4280 if (e != JIM_OK) {
4281 return e;
4282 }
4283 if (!target->tap->enabled)
4284 goto err_tap_disabled;
4285 e = target_wait_state(target, n->value, a);
4286 if (e != ERROR_OK) {
4287 Jim_SetResult_sprintf(goi.interp,
4288 "target: %s wait %s fails (%d) %s",
4289 target->cmd_name,
4290 n->name,
4291 e, target_strerror_safe(e));
4292 return JIM_ERR;
4293 } else {
4294 return JIM_OK;
4295 }
4296 case TS_CMD_EVENTLIST:
4297 /* List for human, Events defined for this target.
4298 * scripts/programs should use 'name cget -event NAME'
4299 */
4300 {
4301 target_event_action_t *teap;
4302 teap = target->event_action;
4303 command_print(cmd_ctx, "Event actions for target (%d) %s\n",
4304 target->target_number,
4305 target->cmd_name);
4306 command_print(cmd_ctx, "%-25s | Body", "Event");
4307 command_print(cmd_ctx, "------------------------- | ----------------------------------------");
4308 while (teap) {
4309 command_print(cmd_ctx,
4310 "%-25s | %s",
4311 Jim_Nvp_value2name_simple(nvp_target_event, teap->event)->name,
4312 Jim_GetString(teap->body, NULL));
4313 teap = teap->next;
4314 }
4315 command_print(cmd_ctx, "***END***");
4316 return JIM_OK;
4317 }
4318 case TS_CMD_CURSTATE:
4319 if (goi.argc != 0) {
4320 Jim_WrongNumArgs(goi.interp, 0, argv, "[no parameters]");
4321 return JIM_ERR;
4322 }
4323 Jim_SetResultString(goi.interp,
4324 target_state_name( target ),
4325 -1);
4326 return JIM_OK;
4327 case TS_CMD_INVOKE_EVENT:
4328 if (goi.argc != 1) {
4329 Jim_SetResult_sprintf(goi.interp, "%s ?EVENTNAME?",n->name);
4330 return JIM_ERR;
4331 }
4332 e = Jim_GetOpt_Nvp(&goi, nvp_target_event, &n);
4333 if (e != JIM_OK) {
4334 Jim_GetOpt_NvpUnknown(&goi, nvp_target_event, 1);
4335 return e;
4336 }
4337 target_handle_event(target, n->value);
4338 return JIM_OK;
4339 }
4340 return JIM_ERR;
4341
4342 err_tap_disabled:
4343 Jim_SetResult_sprintf(interp, "[TAP is disabled]");
4344 return JIM_ERR;
4345 }
4346
4347 static int target_create(Jim_GetOptInfo *goi)
4348 {
4349 Jim_Obj *new_cmd;
4350 Jim_Cmd *cmd;
4351 const char *cp;
4352 char *cp2;
4353 int e;
4354 int x;
4355 target_t *target;
4356 struct command_context_s *cmd_ctx;
4357
4358 cmd_ctx = Jim_GetAssocData(goi->interp, "context");
4359 if (goi->argc < 3) {
4360 Jim_WrongNumArgs(goi->interp, 1, goi->argv, "?name? ?type? ..options...");
4361 return JIM_ERR;
4362 }
4363
4364 /* COMMAND */
4365 Jim_GetOpt_Obj(goi, &new_cmd);
4366 /* does this command exist? */
4367 cmd = Jim_GetCommand(goi->interp, new_cmd, JIM_ERRMSG);
4368 if (cmd) {
4369 cp = Jim_GetString(new_cmd, NULL);
4370 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
4371 return JIM_ERR;
4372 }
4373
4374 /* TYPE */
4375 e = Jim_GetOpt_String(goi, &cp2, NULL);
4376 cp = cp2;
4377 /* now does target type exist */
4378 for (x = 0 ; target_types[x] ; x++) {
4379 if (0 == strcmp(cp, target_types[x]->name)) {
4380 /* found */
4381 break;
4382 }
4383 }
4384 if (target_types[x] == NULL) {
4385 Jim_SetResult_sprintf(goi->interp, "Unknown target type %s, try one of ", cp);
4386 for (x = 0 ; target_types[x] ; x++) {
4387 if (target_types[x + 1]) {
4388 Jim_AppendStrings(goi->interp,
4389 Jim_GetResult(goi->interp),
4390 target_types[x]->name,
4391 ", ", NULL);
4392 } else {
4393 Jim_AppendStrings(goi->interp,
4394 Jim_GetResult(goi->interp),
4395 " or ",
4396 target_types[x]->name,NULL);
4397 }
4398 }
4399 return JIM_ERR;
4400 }
4401
4402 /* Create it */
4403 target = calloc(1,sizeof(target_t));
4404 /* set target number */
4405 target->target_number = new_target_number();
4406
4407 /* allocate memory for each unique target type */
4408 target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
4409
4410 memcpy(target->type, target_types[x], sizeof(target_type_t));
4411
4412 /* will be set by "-endian" */
4413 target->endianness = TARGET_ENDIAN_UNKNOWN;
4414
4415 target->working_area = 0x0;
4416 target->working_area_size = 0x0;
4417 target->working_areas = NULL;
4418 target->backup_working_area = 0;
4419
4420 target->state = TARGET_UNKNOWN;
4421 target->debug_reason = DBG_REASON_UNDEFINED;
4422 target->reg_cache = NULL;
4423 target->breakpoints = NULL;
4424 target->watchpoints = NULL;
4425 target->next = NULL;
4426 target->arch_info = NULL;
4427
4428 target->display = 1;
4429
4430 target->halt_issued = false;
4431
4432 /* initialize trace information */
4433 target->trace_info = malloc(sizeof(trace_t));
4434 target->trace_info->num_trace_points = 0;
4435 target->trace_info->trace_points_size = 0;
4436 target->trace_info->trace_points = NULL;
4437 target->trace_info->trace_history_size = 0;
4438 target->trace_info->trace_history = NULL;
4439 target->trace_info->trace_history_pos = 0;
4440 target->trace_info->trace_history_overflowed = 0;
4441
4442 target->dbgmsg = NULL;
4443 target->dbg_msg_enabled = 0;
4444
4445 target->endianness = TARGET_ENDIAN_UNKNOWN;
4446
4447 /* Do the rest as "configure" options */
4448 goi->isconfigure = 1;
4449 e = target_configure(goi, target);
4450
4451 if (target->tap == NULL)
4452 {
4453 Jim_SetResultString(interp, "-chain-position required when creating target", -1);
4454 e = JIM_ERR;
4455 }
4456
4457 if (e != JIM_OK) {
4458 free(target->type);
4459 free(target);
4460 return e;
4461 }
4462
4463 if (target->endianness == TARGET_ENDIAN_UNKNOWN) {
4464 /* default endian to little if not specified */
4465 target->endianness = TARGET_LITTLE_ENDIAN;
4466 }
4467
4468 /* incase variant is not set */
4469 if (!target->variant)
4470 target->variant = strdup("");
4471
4472 /* create the target specific commands */
4473 if (target->type->register_commands) {
4474 (*(target->type->register_commands))(cmd_ctx);
4475 }
4476 if (target->type->target_create) {
4477 (*(target->type->target_create))(target, goi->interp);
4478 }
4479
4480 /* append to end of list */
4481 {
4482 target_t **tpp;
4483 tpp = &(all_targets);
4484 while (*tpp) {
4485 tpp = &((*tpp)->next);
4486 }
4487 *tpp = target;
4488 }
4489
4490 cp = Jim_GetString(new_cmd, NULL);
4491 target->cmd_name = strdup(cp);
4492
4493 /* now - create the new target name command */
4494 e = Jim_CreateCommand(goi->interp,
4495 /* name */
4496 cp,
4497 tcl_target_func, /* C function */
4498 target, /* private data */
4499 NULL); /* no del proc */
4500
4501 return e;
4502 }
4503
4504 static int jim_target(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4505 {
4506 int x,r,e;
4507 jim_wide w;
4508 struct command_context_s *cmd_ctx;
4509 target_t *target;
4510 Jim_GetOptInfo goi;
4511 enum tcmd {
4512 /* TG = target generic */
4513 TG_CMD_CREATE,
4514 TG_CMD_TYPES,
4515 TG_CMD_NAMES,
4516 TG_CMD_CURRENT,
4517 TG_CMD_NUMBER,
4518 TG_CMD_COUNT,
4519 };
4520 const char *target_cmds[] = {
4521 "create", "types", "names", "current", "number",
4522 "count",
4523 NULL /* terminate */
4524 };
4525
4526 LOG_DEBUG("Target command params:");
4527 LOG_DEBUG("%s", Jim_Debug_ArgvString(interp, argc, argv));
4528
4529 cmd_ctx = Jim_GetAssocData(interp, "context");
4530
4531 Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
4532
4533 if (goi.argc == 0) {
4534 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
4535 return JIM_ERR;
4536 }
4537
4538 /* Jim_GetOpt_Debug(&goi); */
4539 r = Jim_GetOpt_Enum(&goi, target_cmds, &x);
4540 if (r != JIM_OK) {
4541 return r;
4542 }
4543
4544 switch (x) {
4545 default:
4546 Jim_Panic(goi.interp,"Why am I here?");
4547 return JIM_ERR;
4548 case TG_CMD_CURRENT:
4549 if (goi.argc != 0) {
4550 Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4551 return JIM_ERR;
4552 }
4553 Jim_SetResultString(goi.interp, get_current_target(cmd_ctx)->cmd_name, -1);
4554 return JIM_OK;
4555 case TG_CMD_TYPES:
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 for (x = 0 ; target_types[x] ; x++) {
4562 Jim_ListAppendElement(goi.interp,
4563 Jim_GetResult(goi.interp),
4564 Jim_NewStringObj(goi.interp, target_types[x]->name, -1));
4565 }
4566 return JIM_OK;
4567 case TG_CMD_NAMES:
4568 if (goi.argc != 0) {
4569 Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4570 return JIM_ERR;
4571 }
4572 Jim_SetResult(goi.interp, Jim_NewListObj(goi.interp, NULL, 0));
4573 target = all_targets;
4574 while (target) {
4575 Jim_ListAppendElement(goi.interp,
4576 Jim_GetResult(goi.interp),
4577 Jim_NewStringObj(goi.interp, target->cmd_name, -1));
4578 target = target->next;
4579 }
4580 return JIM_OK;
4581 case TG_CMD_CREATE:
4582 if (goi.argc < 3) {
4583 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv, "?name ... config options ...");
4584 return JIM_ERR;
4585 }
4586 return target_create(&goi);
4587 break;
4588 case TG_CMD_NUMBER:
4589 /* It's OK to remove this mechanism sometime after August 2010 or so */
4590 LOG_WARNING("don't use numbers as target identifiers; use names");
4591 if (goi.argc != 1) {
4592 Jim_SetResult_sprintf(goi.interp, "expected: target number ?NUMBER?");
4593 return JIM_ERR;
4594 }
4595 e = Jim_GetOpt_Wide(&goi, &w);
4596 if (e != JIM_OK) {
4597 return JIM_ERR;
4598 }
4599 for (x = 0, target = all_targets; target; target = target->next, x++) {
4600 if (target->target_number == w)
4601 break;
4602 }
4603 if (target == NULL) {
4604 Jim_SetResult_sprintf(goi.interp,
4605 "Target: number %d does not exist", (int)(w));
4606 return JIM_ERR;
4607 }
4608 Jim_SetResultString(goi.interp, target->cmd_name, -1);
4609 return JIM_OK;
4610 case TG_CMD_COUNT:
4611 if (goi.argc != 0) {
4612 Jim_WrongNumArgs(goi.interp, 0, goi.argv, "<no parameters>");
4613 return JIM_ERR;
4614 }
4615 for (x = 0, target = all_targets; target; target = target->next, x++)
4616 continue;
4617 Jim_SetResult(goi.interp, Jim_NewIntObj(goi.interp, x));
4618 return JIM_OK;
4619 }
4620
4621 return JIM_ERR;
4622 }
4623
4624
4625 struct FastLoad
4626 {
4627 uint32_t address;
4628 uint8_t *data;
4629 int length;
4630
4631 };
4632
4633 static int fastload_num;
4634 static struct FastLoad *fastload;
4635
4636 static void free_fastload(void)
4637 {
4638 if (fastload != NULL)
4639 {
4640 int i;
4641 for (i = 0; i < fastload_num; i++)
4642 {
4643 if (fastload[i].data)
4644 free(fastload[i].data);
4645 }
4646 free(fastload);
4647 fastload = NULL;
4648 }
4649 }
4650
4651
4652
4653
4654 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4655 {
4656 uint8_t *buffer;
4657 uint32_t buf_cnt;
4658 uint32_t image_size;
4659 uint32_t min_address = 0;
4660 uint32_t max_address = 0xffffffff;
4661 int i;
4662
4663 image_t image;
4664
4665 duration_t duration;
4666 char *duration_text;
4667
4668 int retval = parse_load_image_command_args(args, argc,
4669 &image, &min_address, &max_address);
4670 if (ERROR_OK != retval)
4671 return retval;
4672
4673 duration_start_measure(&duration);
4674
4675 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
4676 {
4677 return ERROR_OK;
4678 }
4679
4680 image_size = 0x0;
4681 retval = ERROR_OK;
4682 fastload_num = image.num_sections;
4683 fastload = (struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
4684 if (fastload == NULL)
4685 {
4686 image_close(&image);
4687 return ERROR_FAIL;
4688 }
4689 memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
4690 for (i = 0; i < image.num_sections; i++)
4691 {
4692 buffer = malloc(image.sections[i].size);
4693 if (buffer == NULL)
4694 {
4695 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)",
4696 (int)(image.sections[i].size));
4697 break;
4698 }
4699
4700 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
4701 {
4702 free(buffer);
4703 break;
4704 }
4705
4706 uint32_t offset = 0;
4707 uint32_t length = buf_cnt;
4708
4709
4710 /* DANGER!!! beware of unsigned comparision here!!! */
4711
4712 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
4713 (image.sections[i].base_address < max_address))
4714 {
4715 if (image.sections[i].base_address < min_address)
4716 {
4717 /* clip addresses below */
4718 offset += min_address-image.sections[i].base_address;
4719 length -= offset;
4720 }
4721
4722 if (image.sections[i].base_address + buf_cnt > max_address)
4723 {
4724 length -= (image.sections[i].base_address + buf_cnt)-max_address;
4725 }
4726
4727 fastload[i].address = image.sections[i].base_address + offset;
4728 fastload[i].data = malloc(length);
4729 if (fastload[i].data == NULL)
4730 {
4731 free(buffer);
4732 break;
4733 }
4734 memcpy(fastload[i].data, buffer + offset, length);
4735 fastload[i].length = length;
4736
4737 image_size += length;
4738 command_print(cmd_ctx, "%u bytes written at address 0x%8.8x",
4739 (unsigned int)length,
4740 ((unsigned int)(image.sections[i].base_address + offset)));
4741 }
4742
4743 free(buffer);
4744 }
4745
4746 duration_stop_measure(&duration, &duration_text);
4747 if (retval == ERROR_OK)
4748 {
4749 command_print(cmd_ctx, "Loaded %u bytes in %s", (unsigned int)image_size, duration_text);
4750 command_print(cmd_ctx, "NB!!! image has not been loaded to target, issue a subsequent 'fast_load' to do so.");
4751 }
4752 free(duration_text);
4753
4754 image_close(&image);
4755
4756 if (retval != ERROR_OK)
4757 {
4758 free_fastload();
4759 }
4760
4761 return retval;
4762 }
4763
4764 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4765 {
4766 if (argc > 0)
4767 return ERROR_COMMAND_SYNTAX_ERROR;
4768 if (fastload == NULL)
4769 {
4770 LOG_ERROR("No image in memory");
4771 return ERROR_FAIL;
4772 }
4773 int i;
4774 int ms = timeval_ms();
4775 int size = 0;
4776 int retval = ERROR_OK;
4777 for (i = 0; i < fastload_num;i++)
4778 {
4779 target_t *target = get_current_target(cmd_ctx);
4780 command_print(cmd_ctx, "Write to 0x%08x, length 0x%08x",
4781 (unsigned int)(fastload[i].address),
4782 (unsigned int)(fastload[i].length));
4783 if (retval == ERROR_OK)
4784 {
4785 retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
4786 }
4787 size += fastload[i].length;
4788 }
4789 int after = timeval_ms();
4790 command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
4791 return retval;
4792 }
4793
4794 static int jim_mcrmrc(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4795 {
4796 command_context_t *context;
4797 target_t *target;
4798 int retval;
4799
4800 context = Jim_GetAssocData(interp, "context");
4801 if (context == NULL) {
4802 LOG_ERROR("array2mem: no command context");
4803 return JIM_ERR;
4804 }
4805 target = get_current_target(context);
4806 if (target == NULL) {
4807 LOG_ERROR("array2mem: no current target");
4808 return JIM_ERR;
4809 }
4810
4811 if ((argc < 6) || (argc > 7))
4812 {
4813 return JIM_ERR;
4814 }
4815
4816 int cpnum;
4817 uint32_t op1;
4818 uint32_t op2;
4819 uint32_t CRn;
4820 uint32_t CRm;
4821 uint32_t value;
4822
4823 int e;
4824 long l;
4825 e = Jim_GetLong(interp, argv[1], &l);
4826 if (e != JIM_OK) {
4827 return e;
4828 }
4829 cpnum = l;
4830
4831 e = Jim_GetLong(interp, argv[2], &l);
4832 if (e != JIM_OK) {
4833 return e;
4834 }
4835 op1 = l;
4836
4837 e = Jim_GetLong(interp, argv[3], &l);
4838 if (e != JIM_OK) {
4839 return e;
4840 }
4841 op2 = l;
4842
4843 e = Jim_GetLong(interp, argv[4], &l);
4844 if (e != JIM_OK) {
4845 return e;
4846 }
4847 CRn = l;
4848
4849 e = Jim_GetLong(interp, argv[5], &l);
4850 if (e != JIM_OK) {
4851 return e;
4852 }
4853 CRm = l;
4854
4855 value = 0;
4856
4857 if (argc == 7)
4858 {
4859 e = Jim_GetLong(interp, argv[6], &l);
4860 if (e != JIM_OK) {
4861 return e;
4862 }
4863 value = l;
4864
4865 retval = target_mcr(target, cpnum, op1, op2, CRn, CRm, value);
4866 if (retval != ERROR_OK)
4867 return JIM_ERR;
4868 } else
4869 {
4870 retval = target_mrc(target, cpnum, op1, op2, CRn, CRm, &value);
4871 if (retval != ERROR_OK)
4872 return JIM_ERR;
4873
4874 Jim_SetResult(interp, Jim_NewIntObj(interp, value));
4875 }
4876
4877 return JIM_OK;
4878 }
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