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have "reg" command print cache names too
[openocd.git] / src / target / target.c
blobeb93fb7b83dc24756d6bf7ca6b10e552dd98ed32
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_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
73 static int jim_target(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
74
75 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
76 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
77
78 /* targets */
79 extern target_type_t arm7tdmi_target;
80 extern target_type_t arm720t_target;
81 extern target_type_t arm9tdmi_target;
82 extern target_type_t arm920t_target;
83 extern target_type_t arm966e_target;
84 extern target_type_t arm926ejs_target;
85 extern target_type_t fa526_target;
86 extern target_type_t feroceon_target;
87 extern target_type_t dragonite_target;
88 extern target_type_t xscale_target;
89 extern target_type_t cortexm3_target;
90 extern target_type_t cortexa8_target;
91 extern target_type_t arm11_target;
92 extern target_type_t mips_m4k_target;
93 extern target_type_t avr_target;
94
95 target_type_t *target_types[] =
96 {
97 &arm7tdmi_target,
98 &arm9tdmi_target,
99 &arm920t_target,
100 &arm720t_target,
101 &arm966e_target,
102 &arm926ejs_target,
103 &fa526_target,
104 &feroceon_target,
105 &dragonite_target,
106 &xscale_target,
107 &cortexm3_target,
108 &cortexa8_target,
109 &arm11_target,
110 &mips_m4k_target,
111 &avr_target,
112 NULL,
113 };
114
115 target_t *all_targets = NULL;
116 target_event_callback_t *target_event_callbacks = NULL;
117 target_timer_callback_t *target_timer_callbacks = NULL;
118
119 const Jim_Nvp nvp_assert[] = {
120 { .name = "assert", NVP_ASSERT },
121 { .name = "deassert", NVP_DEASSERT },
122 { .name = "T", NVP_ASSERT },
123 { .name = "F", NVP_DEASSERT },
124 { .name = "t", NVP_ASSERT },
125 { .name = "f", NVP_DEASSERT },
126 { .name = NULL, .value = -1 }
127 };
128
129 const Jim_Nvp nvp_error_target[] = {
130 { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
131 { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
132 { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
133 { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
134 { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
135 { .value = ERROR_TARGET_UNALIGNED_ACCESS , .name = "err-unaligned-access" },
136 { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
137 { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
138 { .value = ERROR_TARGET_TRANSLATION_FAULT , .name = "err-translation-fault" },
139 { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
140 { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
141 { .value = -1, .name = NULL }
142 };
143
144 const char *target_strerror_safe(int err)
145 {
146 const Jim_Nvp *n;
147
148 n = Jim_Nvp_value2name_simple(nvp_error_target, err);
149 if (n->name == NULL) {
150 return "unknown";
151 } else {
152 return n->name;
153 }
154 }
155
156 static const Jim_Nvp nvp_target_event[] = {
157 { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
158 { .value = TARGET_EVENT_OLD_pre_resume , .name = "old-pre_resume" },
159
160 { .value = TARGET_EVENT_GDB_HALT, .name = "gdb-halt" },
161 { .value = TARGET_EVENT_HALTED, .name = "halted" },
162 { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
163 { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
164 { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
165
166 { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
167 { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
168
169 /* historical name */
170
171 { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
172
173 { .value = TARGET_EVENT_RESET_ASSERT_PRE, .name = "reset-assert-pre" },
174 { .value = TARGET_EVENT_RESET_ASSERT_POST, .name = "reset-assert-post" },
175 { .value = TARGET_EVENT_RESET_DEASSERT_PRE, .name = "reset-deassert-pre" },
176 { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
177 { .value = TARGET_EVENT_RESET_HALT_PRE, .name = "reset-halt-pre" },
178 { .value = TARGET_EVENT_RESET_HALT_POST, .name = "reset-halt-post" },
179 { .value = TARGET_EVENT_RESET_WAIT_PRE, .name = "reset-wait-pre" },
180 { .value = TARGET_EVENT_RESET_WAIT_POST, .name = "reset-wait-post" },
181 { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
182 { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
183
184 { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
185 { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
186
187 { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
188 { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
189
190 { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
191 { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
192
193 { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
194 { .value = TARGET_EVENT_GDB_FLASH_WRITE_END , .name = "gdb-flash-write-end" },
195
196 { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
197 { .value = TARGET_EVENT_GDB_FLASH_ERASE_END , .name = "gdb-flash-erase-end" },
198
199 { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
200 { .value = TARGET_EVENT_RESUMED , .name = "resume-ok" },
201 { .value = TARGET_EVENT_RESUME_END , .name = "resume-end" },
202
203 { .name = NULL, .value = -1 }
204 };
205
206 const Jim_Nvp nvp_target_state[] = {
207 { .name = "unknown", .value = TARGET_UNKNOWN },
208 { .name = "running", .value = TARGET_RUNNING },
209 { .name = "halted", .value = TARGET_HALTED },
210 { .name = "reset", .value = TARGET_RESET },
211 { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
212 { .name = NULL, .value = -1 },
213 };
214
215 const Jim_Nvp nvp_target_debug_reason [] = {
216 { .name = "debug-request" , .value = DBG_REASON_DBGRQ },
217 { .name = "breakpoint" , .value = DBG_REASON_BREAKPOINT },
218 { .name = "watchpoint" , .value = DBG_REASON_WATCHPOINT },
219 { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
220 { .name = "single-step" , .value = DBG_REASON_SINGLESTEP },
221 { .name = "target-not-halted" , .value = DBG_REASON_NOTHALTED },
222 { .name = "undefined" , .value = DBG_REASON_UNDEFINED },
223 { .name = NULL, .value = -1 },
224 };
225
226 const Jim_Nvp nvp_target_endian[] = {
227 { .name = "big", .value = TARGET_BIG_ENDIAN },
228 { .name = "little", .value = TARGET_LITTLE_ENDIAN },
229 { .name = "be", .value = TARGET_BIG_ENDIAN },
230 { .name = "le", .value = TARGET_LITTLE_ENDIAN },
231 { .name = NULL, .value = -1 },
232 };
233
234 const Jim_Nvp nvp_reset_modes[] = {
235 { .name = "unknown", .value = RESET_UNKNOWN },
236 { .name = "run" , .value = RESET_RUN },
237 { .name = "halt" , .value = RESET_HALT },
238 { .name = "init" , .value = RESET_INIT },
239 { .name = NULL , .value = -1 },
240 };
241
242 const char *
243 target_state_name( target_t *t )
244 {
245 const char *cp;
246 cp = Jim_Nvp_value2name_simple(nvp_target_state, t->state)->name;
247 if( !cp ){
248 LOG_ERROR("Invalid target state: %d", (int)(t->state));
249 cp = "(*BUG*unknown*BUG*)";
250 }
251 return cp;
252 }
253
254 /* determine the number of the new target */
255 static int new_target_number(void)
256 {
257 target_t *t;
258 int x;
259
260 /* number is 0 based */
261 x = -1;
262 t = all_targets;
263 while (t) {
264 if (x < t->target_number) {
265 x = t->target_number;
266 }
267 t = t->next;
268 }
269 return x + 1;
270 }
271
272 /* read a uint32_t from a buffer in target memory endianness */
273 uint32_t target_buffer_get_u32(target_t *target, const uint8_t *buffer)
274 {
275 if (target->endianness == TARGET_LITTLE_ENDIAN)
276 return le_to_h_u32(buffer);
277 else
278 return be_to_h_u32(buffer);
279 }
280
281 /* read a uint16_t from a buffer in target memory endianness */
282 uint16_t target_buffer_get_u16(target_t *target, const uint8_t *buffer)
283 {
284 if (target->endianness == TARGET_LITTLE_ENDIAN)
285 return le_to_h_u16(buffer);
286 else
287 return be_to_h_u16(buffer);
288 }
289
290 /* read a uint8_t from a buffer in target memory endianness */
291 uint8_t target_buffer_get_u8(target_t *target, const uint8_t *buffer)
292 {
293 return *buffer & 0x0ff;
294 }
295
296 /* write a uint32_t to a buffer in target memory endianness */
297 void target_buffer_set_u32(target_t *target, uint8_t *buffer, uint32_t value)
298 {
299 if (target->endianness == TARGET_LITTLE_ENDIAN)
300 h_u32_to_le(buffer, value);
301 else
302 h_u32_to_be(buffer, value);
303 }
304
305 /* write a uint16_t to a buffer in target memory endianness */
306 void target_buffer_set_u16(target_t *target, uint8_t *buffer, uint16_t value)
307 {
308 if (target->endianness == TARGET_LITTLE_ENDIAN)
309 h_u16_to_le(buffer, value);
310 else
311 h_u16_to_be(buffer, value);
312 }
313
314 /* write a uint8_t to a buffer in target memory endianness */
315 void target_buffer_set_u8(target_t *target, uint8_t *buffer, uint8_t value)
316 {
317 *buffer = value;
318 }
319
320 /* return a pointer to a configured target; id is name or number */
321 target_t *get_target(const char *id)
322 {
323 target_t *target;
324
325 /* try as tcltarget name */
326 for (target = all_targets; target; target = target->next) {
327 if (target->cmd_name == NULL)
328 continue;
329 if (strcmp(id, target->cmd_name) == 0)
330 return target;
331 }
332
333 /* It's OK to remove this fallback sometime after August 2010 or so */
334
335 /* no match, try as number */
336 unsigned num;
337 if (parse_uint(id, &num) != ERROR_OK)
338 return NULL;
339
340 for (target = all_targets; target; target = target->next) {
341 if (target->target_number == (int)num) {
342 LOG_WARNING("use '%s' as target identifier, not '%u'",
343 target->cmd_name, num);
344 return target;
345 }
346 }
347
348 return NULL;
349 }
350
351 /* returns a pointer to the n-th configured target */
352 static target_t *get_target_by_num(int num)
353 {
354 target_t *target = all_targets;
355
356 while (target) {
357 if (target->target_number == num) {
358 return target;
359 }
360 target = target->next;
361 }
362
363 return NULL;
364 }
365
366 target_t* get_current_target(command_context_t *cmd_ctx)
367 {
368 target_t *target = get_target_by_num(cmd_ctx->current_target);
369
370 if (target == NULL)
371 {
372 LOG_ERROR("BUG: current_target out of bounds");
373 exit(-1);
374 }
375
376 return target;
377 }
378
379 int target_poll(struct target_s *target)
380 {
381 int retval;
382
383 /* We can't poll until after examine */
384 if (!target_was_examined(target))
385 {
386 /* Fail silently lest we pollute the log */
387 return ERROR_FAIL;
388 }
389
390 retval = target->type->poll(target);
391 if (retval != ERROR_OK)
392 return retval;
393
394 if (target->halt_issued)
395 {
396 if (target->state == TARGET_HALTED)
397 {
398 target->halt_issued = false;
399 } else
400 {
401 long long t = timeval_ms() - target->halt_issued_time;
402 if (t>1000)
403 {
404 target->halt_issued = false;
405 LOG_INFO("Halt timed out, wake up GDB.");
406 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
407 }
408 }
409 }
410
411 return ERROR_OK;
412 }
413
414 int target_halt(struct target_s *target)
415 {
416 int retval;
417 /* We can't poll until after examine */
418 if (!target_was_examined(target))
419 {
420 LOG_ERROR("Target not examined yet");
421 return ERROR_FAIL;
422 }
423
424 retval = target->type->halt(target);
425 if (retval != ERROR_OK)
426 return retval;
427
428 target->halt_issued = true;
429 target->halt_issued_time = timeval_ms();
430
431 return ERROR_OK;
432 }
433
434 int target_resume(struct target_s *target, int current, uint32_t address, int handle_breakpoints, int debug_execution)
435 {
436 int retval;
437
438 /* We can't poll until after examine */
439 if (!target_was_examined(target))
440 {
441 LOG_ERROR("Target not examined yet");
442 return ERROR_FAIL;
443 }
444
445 /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
446 * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
447 * the application.
448 */
449 if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
450 return retval;
451
452 return retval;
453 }
454
455 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
456 {
457 char buf[100];
458 int retval;
459 Jim_Nvp *n;
460 n = Jim_Nvp_value2name_simple(nvp_reset_modes, reset_mode);
461 if (n->name == NULL) {
462 LOG_ERROR("invalid reset mode");
463 return ERROR_FAIL;
464 }
465
466 /* disable polling during reset to make reset event scripts
467 * more predictable, i.e. dr/irscan & pathmove in events will
468 * not have JTAG operations injected into the middle of a sequence.
469 */
470 bool save_poll = jtag_poll_get_enabled();
471
472 jtag_poll_set_enabled(false);
473
474 sprintf(buf, "ocd_process_reset %s", n->name);
475 retval = Jim_Eval(interp, buf);
476
477 jtag_poll_set_enabled(save_poll);
478
479 if (retval != JIM_OK) {
480 Jim_PrintErrorMessage(interp);
481 return ERROR_FAIL;
482 }
483
484 /* We want any events to be processed before the prompt */
485 retval = target_call_timer_callbacks_now();
486
487 return retval;
488 }
489
490 static int default_virt2phys(struct target_s *target, uint32_t virtual, uint32_t *physical)
491 {
492 *physical = virtual;
493 return ERROR_OK;
494 }
495
496 static int default_mmu(struct target_s *target, int *enabled)
497 {
498 *enabled = 0;
499 return ERROR_OK;
500 }
501
502 static int default_examine(struct target_s *target)
503 {
504 target_set_examined(target);
505 return ERROR_OK;
506 }
507
508 int target_examine_one(struct target_s *target)
509 {
510 return target->type->examine(target);
511 }
512
513 static int jtag_enable_callback(enum jtag_event event, void *priv)
514 {
515 target_t *target = priv;
516
517 if (event != JTAG_TAP_EVENT_ENABLE || !target->tap->enabled)
518 return ERROR_OK;
519
520 jtag_unregister_event_callback(jtag_enable_callback, target);
521 return target_examine_one(target);
522 }
523
524
525 /* Targets that correctly implement init + examine, i.e.
526 * no communication with target during init:
527 *
528 * XScale
529 */
530 int target_examine(void)
531 {
532 int retval = ERROR_OK;
533 target_t *target;
534
535 for (target = all_targets; target; target = target->next)
536 {
537 /* defer examination, but don't skip it */
538 if (!target->tap->enabled) {
539 jtag_register_event_callback(jtag_enable_callback,
540 target);
541 continue;
542 }
543 if ((retval = target_examine_one(target)) != ERROR_OK)
544 return retval;
545 }
546 return retval;
547 }
548 const char *target_get_name(struct target_s *target)
549 {
550 return target->type->name;
551 }
552
553 static int target_write_memory_imp(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
554 {
555 if (!target_was_examined(target))
556 {
557 LOG_ERROR("Target not examined yet");
558 return ERROR_FAIL;
559 }
560 return target->type->write_memory_imp(target, address, size, count, buffer);
561 }
562
563 static int target_read_memory_imp(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
564 {
565 if (!target_was_examined(target))
566 {
567 LOG_ERROR("Target not examined yet");
568 return ERROR_FAIL;
569 }
570 return target->type->read_memory_imp(target, address, size, count, buffer);
571 }
572
573 static int target_soft_reset_halt_imp(struct target_s *target)
574 {
575 if (!target_was_examined(target))
576 {
577 LOG_ERROR("Target not examined yet");
578 return ERROR_FAIL;
579 }
580 if (!target->type->soft_reset_halt_imp) {
581 LOG_ERROR("Target %s does not support soft_reset_halt",
582 target->cmd_name);
583 return ERROR_FAIL;
584 }
585 return target->type->soft_reset_halt_imp(target);
586 }
587
588 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)
589 {
590 if (!target_was_examined(target))
591 {
592 LOG_ERROR("Target not examined yet");
593 return ERROR_FAIL;
594 }
595 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);
596 }
597
598 int target_read_memory(struct target_s *target,
599 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
600 {
601 return target->type->read_memory(target, address, size, count, buffer);
602 }
603
604 int target_read_phys_memory(struct target_s *target,
605 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
606 {
607 return target->type->read_phys_memory(target, address, size, count, buffer);
608 }
609
610 int target_write_memory(struct target_s *target,
611 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
612 {
613 return target->type->write_memory(target, address, size, count, buffer);
614 }
615
616 int target_write_phys_memory(struct target_s *target,
617 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
618 {
619 return target->type->write_phys_memory(target, address, size, count, buffer);
620 }
621
622 int target_bulk_write_memory(struct target_s *target,
623 uint32_t address, uint32_t count, uint8_t *buffer)
624 {
625 return target->type->bulk_write_memory(target, address, count, buffer);
626 }
627
628 int target_add_breakpoint(struct target_s *target,
629 struct breakpoint_s *breakpoint)
630 {
631 return target->type->add_breakpoint(target, breakpoint);
632 }
633 int target_remove_breakpoint(struct target_s *target,
634 struct breakpoint_s *breakpoint)
635 {
636 return target->type->remove_breakpoint(target, breakpoint);
637 }
638
639 int target_add_watchpoint(struct target_s *target,
640 struct watchpoint_s *watchpoint)
641 {
642 return target->type->add_watchpoint(target, watchpoint);
643 }
644 int target_remove_watchpoint(struct target_s *target,
645 struct watchpoint_s *watchpoint)
646 {
647 return target->type->remove_watchpoint(target, watchpoint);
648 }
649
650 int target_get_gdb_reg_list(struct target_s *target,
651 struct reg_s **reg_list[], int *reg_list_size)
652 {
653 return target->type->get_gdb_reg_list(target, reg_list, reg_list_size);
654 }
655 int target_step(struct target_s *target,
656 int current, uint32_t address, int handle_breakpoints)
657 {
658 return target->type->step(target, current, address, handle_breakpoints);
659 }
660
661
662 int target_run_algorithm(struct target_s *target,
663 int num_mem_params, mem_param_t *mem_params,
664 int num_reg_params, reg_param_t *reg_param,
665 uint32_t entry_point, uint32_t exit_point,
666 int timeout_ms, void *arch_info)
667 {
668 return target->type->run_algorithm(target,
669 num_mem_params, mem_params, num_reg_params, reg_param,
670 entry_point, exit_point, timeout_ms, arch_info);
671 }
672
673 /// @returns @c true if the target has been examined.
674 bool target_was_examined(struct target_s *target)
675 {
676 return target->type->examined;
677 }
678 /// Sets the @c examined flag for the given target.
679 void target_set_examined(struct target_s *target)
680 {
681 target->type->examined = true;
682 }
683 // Reset the @c examined flag for the given target.
684 void target_reset_examined(struct target_s *target)
685 {
686 target->type->examined = false;
687 }
688
689
690 int target_init(struct command_context_s *cmd_ctx)
691 {
692 target_t *target = all_targets;
693 int retval;
694
695 while (target)
696 {
697 target_reset_examined(target);
698 if (target->type->examine == NULL)
699 {
700 target->type->examine = default_examine;
701 }
702
703 if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
704 {
705 LOG_ERROR("target '%s' init failed", target_get_name(target));
706 return retval;
707 }
708
709 /* Set up default functions if none are provided by target */
710 if (target->type->virt2phys == NULL)
711 {
712 target->type->virt2phys = default_virt2phys;
713 }
714
715 if (target->type->read_phys_memory == NULL)
716 {
717 target->type->read_phys_memory = target->type->read_memory;
718 }
719
720 if (target->type->write_phys_memory == NULL)
721 {
722 target->type->write_phys_memory = target->type->write_memory;
723 }
724
725 /* a non-invasive way(in terms of patches) to add some code that
726 * runs before the type->write/read_memory implementation
727 */
728 target->type->write_memory_imp = target->type->write_memory;
729 target->type->write_memory = target_write_memory_imp;
730 target->type->read_memory_imp = target->type->read_memory;
731 target->type->read_memory = target_read_memory_imp;
732 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
733 target->type->soft_reset_halt = target_soft_reset_halt_imp;
734 target->type->run_algorithm_imp = target->type->run_algorithm;
735 target->type->run_algorithm = target_run_algorithm_imp;
736
737 if (target->type->mmu == NULL)
738 {
739 target->type->mmu = default_mmu;
740 }
741 target = target->next;
742 }
743
744 if (all_targets)
745 {
746 if ((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
747 return retval;
748 if ((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
749 return retval;
750 }
751
752 return ERROR_OK;
753 }
754
755 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
756 {
757 target_event_callback_t **callbacks_p = &target_event_callbacks;
758
759 if (callback == NULL)
760 {
761 return ERROR_INVALID_ARGUMENTS;
762 }
763
764 if (*callbacks_p)
765 {
766 while ((*callbacks_p)->next)
767 callbacks_p = &((*callbacks_p)->next);
768 callbacks_p = &((*callbacks_p)->next);
769 }
770
771 (*callbacks_p) = malloc(sizeof(target_event_callback_t));
772 (*callbacks_p)->callback = callback;
773 (*callbacks_p)->priv = priv;
774 (*callbacks_p)->next = NULL;
775
776 return ERROR_OK;
777 }
778
779 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
780 {
781 target_timer_callback_t **callbacks_p = &target_timer_callbacks;
782 struct timeval now;
783
784 if (callback == NULL)
785 {
786 return ERROR_INVALID_ARGUMENTS;
787 }
788
789 if (*callbacks_p)
790 {
791 while ((*callbacks_p)->next)
792 callbacks_p = &((*callbacks_p)->next);
793 callbacks_p = &((*callbacks_p)->next);
794 }
795
796 (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
797 (*callbacks_p)->callback = callback;
798 (*callbacks_p)->periodic = periodic;
799 (*callbacks_p)->time_ms = time_ms;
800
801 gettimeofday(&now, NULL);
802 (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
803 time_ms -= (time_ms % 1000);
804 (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
805 if ((*callbacks_p)->when.tv_usec > 1000000)
806 {
807 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
808 (*callbacks_p)->when.tv_sec += 1;
809 }
810
811 (*callbacks_p)->priv = priv;
812 (*callbacks_p)->next = NULL;
813
814 return ERROR_OK;
815 }
816
817 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
818 {
819 target_event_callback_t **p = &target_event_callbacks;
820 target_event_callback_t *c = target_event_callbacks;
821
822 if (callback == NULL)
823 {
824 return ERROR_INVALID_ARGUMENTS;
825 }
826
827 while (c)
828 {
829 target_event_callback_t *next = c->next;
830 if ((c->callback == callback) && (c->priv == priv))
831 {
832 *p = next;
833 free(c);
834 return ERROR_OK;
835 }
836 else
837 p = &(c->next);
838 c = next;
839 }
840
841 return ERROR_OK;
842 }
843
844 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
845 {
846 target_timer_callback_t **p = &target_timer_callbacks;
847 target_timer_callback_t *c = target_timer_callbacks;
848
849 if (callback == NULL)
850 {
851 return ERROR_INVALID_ARGUMENTS;
852 }
853
854 while (c)
855 {
856 target_timer_callback_t *next = c->next;
857 if ((c->callback == callback) && (c->priv == priv))
858 {
859 *p = next;
860 free(c);
861 return ERROR_OK;
862 }
863 else
864 p = &(c->next);
865 c = next;
866 }
867
868 return ERROR_OK;
869 }
870
871 int target_call_event_callbacks(target_t *target, enum target_event event)
872 {
873 target_event_callback_t *callback = target_event_callbacks;
874 target_event_callback_t *next_callback;
875
876 if (event == TARGET_EVENT_HALTED)
877 {
878 /* execute early halted first */
879 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
880 }
881
882 LOG_DEBUG("target event %i (%s)",
883 event,
884 Jim_Nvp_value2name_simple(nvp_target_event, event)->name);
885
886 target_handle_event(target, event);
887
888 while (callback)
889 {
890 next_callback = callback->next;
891 callback->callback(target, event, callback->priv);
892 callback = next_callback;
893 }
894
895 return ERROR_OK;
896 }
897
898 static int target_timer_callback_periodic_restart(
899 target_timer_callback_t *cb, struct timeval *now)
900 {
901 int time_ms = cb->time_ms;
902 cb->when.tv_usec = now->tv_usec + (time_ms % 1000) * 1000;
903 time_ms -= (time_ms % 1000);
904 cb->when.tv_sec = now->tv_sec + time_ms / 1000;
905 if (cb->when.tv_usec > 1000000)
906 {
907 cb->when.tv_usec = cb->when.tv_usec - 1000000;
908 cb->when.tv_sec += 1;
909 }
910 return ERROR_OK;
911 }
912
913 static int target_call_timer_callback(target_timer_callback_t *cb,
914 struct timeval *now)
915 {
916 cb->callback(cb->priv);
917
918 if (cb->periodic)
919 return target_timer_callback_periodic_restart(cb, now);
920
921 return target_unregister_timer_callback(cb->callback, cb->priv);
922 }
923
924 static int target_call_timer_callbacks_check_time(int checktime)
925 {
926 keep_alive();
927
928 struct timeval now;
929 gettimeofday(&now, NULL);
930
931 target_timer_callback_t *callback = target_timer_callbacks;
932 while (callback)
933 {
934 // cleaning up may unregister and free this callback
935 target_timer_callback_t *next_callback = callback->next;
936
937 bool call_it = callback->callback &&
938 ((!checktime && callback->periodic) ||
939 now.tv_sec > callback->when.tv_sec ||
940 (now.tv_sec == callback->when.tv_sec &&
941 now.tv_usec >= callback->when.tv_usec));
942
943 if (call_it)
944 {
945 int retval = target_call_timer_callback(callback, &now);
946 if (retval != ERROR_OK)
947 return retval;
948 }
949
950 callback = next_callback;
951 }
952
953 return ERROR_OK;
954 }
955
956 int target_call_timer_callbacks(void)
957 {
958 return target_call_timer_callbacks_check_time(1);
959 }
960
961 /* invoke periodic callbacks immediately */
962 int target_call_timer_callbacks_now(void)
963 {
964 return target_call_timer_callbacks_check_time(0);
965 }
966
967 int target_alloc_working_area(struct target_s *target, uint32_t size, working_area_t **area)
968 {
969 working_area_t *c = target->working_areas;
970 working_area_t *new_wa = NULL;
971
972 /* Reevaluate working area address based on MMU state*/
973 if (target->working_areas == NULL)
974 {
975 int retval;
976 int enabled;
977 retval = target->type->mmu(target, &enabled);
978 if (retval != ERROR_OK)
979 {
980 return retval;
981 }
982 if (enabled)
983 {
984 target->working_area = target->working_area_virt;
985 }
986 else
987 {
988 target->working_area = target->working_area_phys;
989 }
990 }
991
992 /* only allocate multiples of 4 byte */
993 if (size % 4)
994 {
995 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes (0x%08x), padding", ((unsigned)(size)));
996 size = (size + 3) & (~3);
997 }
998
999 /* see if there's already a matching working area */
1000 while (c)
1001 {
1002 if ((c->free) && (c->size == size))
1003 {
1004 new_wa = c;
1005 break;
1006 }
1007 c = c->next;
1008 }
1009
1010 /* if not, allocate a new one */
1011 if (!new_wa)
1012 {
1013 working_area_t **p = &target->working_areas;
1014 uint32_t first_free = target->working_area;
1015 uint32_t free_size = target->working_area_size;
1016
1017 LOG_DEBUG("allocating new working area");
1018
1019 c = target->working_areas;
1020 while (c)
1021 {
1022 first_free += c->size;
1023 free_size -= c->size;
1024 p = &c->next;
1025 c = c->next;
1026 }
1027
1028 if (free_size < size)
1029 {
1030 LOG_WARNING("not enough working area available(requested %u, free %u)",
1031 (unsigned)(size), (unsigned)(free_size));
1032 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1033 }
1034
1035 new_wa = malloc(sizeof(working_area_t));
1036 new_wa->next = NULL;
1037 new_wa->size = size;
1038 new_wa->address = first_free;
1039
1040 if (target->backup_working_area)
1041 {
1042 int retval;
1043 new_wa->backup = malloc(new_wa->size);
1044 if ((retval = target_read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
1045 {
1046 free(new_wa->backup);
1047 free(new_wa);
1048 return retval;
1049 }
1050 }
1051 else
1052 {
1053 new_wa->backup = NULL;
1054 }
1055
1056 /* put new entry in list */
1057 *p = new_wa;
1058 }
1059
1060 /* mark as used, and return the new (reused) area */
1061 new_wa->free = 0;
1062 *area = new_wa;
1063
1064 /* user pointer */
1065 new_wa->user = area;
1066
1067 return ERROR_OK;
1068 }
1069
1070 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
1071 {
1072 if (area->free)
1073 return ERROR_OK;
1074
1075 if (restore && target->backup_working_area)
1076 {
1077 int retval;
1078 if ((retval = target_write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
1079 return retval;
1080 }
1081
1082 area->free = 1;
1083
1084 /* mark user pointer invalid */
1085 *area->user = NULL;
1086 area->user = NULL;
1087
1088 return ERROR_OK;
1089 }
1090
1091 int target_free_working_area(struct target_s *target, working_area_t *area)
1092 {
1093 return target_free_working_area_restore(target, area, 1);
1094 }
1095
1096 /* free resources and restore memory, if restoring memory fails,
1097 * free up resources anyway
1098 */
1099 void target_free_all_working_areas_restore(struct target_s *target, int restore)
1100 {
1101 working_area_t *c = target->working_areas;
1102
1103 while (c)
1104 {
1105 working_area_t *next = c->next;
1106 target_free_working_area_restore(target, c, restore);
1107
1108 if (c->backup)
1109 free(c->backup);
1110
1111 free(c);
1112
1113 c = next;
1114 }
1115
1116 target->working_areas = NULL;
1117 }
1118
1119 void target_free_all_working_areas(struct target_s *target)
1120 {
1121 target_free_all_working_areas_restore(target, 1);
1122 }
1123
1124 int target_register_commands(struct command_context_s *cmd_ctx)
1125 {
1126
1127 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)");
1128
1129
1130
1131
1132 register_jim(cmd_ctx, "target", jim_target, "configure target");
1133
1134 return ERROR_OK;
1135 }
1136
1137 int target_arch_state(struct target_s *target)
1138 {
1139 int retval;
1140 if (target == NULL)
1141 {
1142 LOG_USER("No target has been configured");
1143 return ERROR_OK;
1144 }
1145
1146 LOG_USER("target state: %s", target_state_name( target ));
1147
1148 if (target->state != TARGET_HALTED)
1149 return ERROR_OK;
1150
1151 retval = target->type->arch_state(target);
1152 return retval;
1153 }
1154
1155 /* Single aligned words are guaranteed to use 16 or 32 bit access
1156 * mode respectively, otherwise data is handled as quickly as
1157 * possible
1158 */
1159 int target_write_buffer(struct target_s *target, uint32_t address, uint32_t size, uint8_t *buffer)
1160 {
1161 int retval;
1162 LOG_DEBUG("writing buffer of %i byte at 0x%8.8x",
1163 (int)size, (unsigned)address);
1164
1165 if (!target_was_examined(target))
1166 {
1167 LOG_ERROR("Target not examined yet");
1168 return ERROR_FAIL;
1169 }
1170
1171 if (size == 0) {
1172 return ERROR_OK;
1173 }
1174
1175 if ((address + size - 1) < address)
1176 {
1177 /* GDB can request this when e.g. PC is 0xfffffffc*/
1178 LOG_ERROR("address + size wrapped(0x%08x, 0x%08x)",
1179 (unsigned)address,
1180 (unsigned)size);
1181 return ERROR_FAIL;
1182 }
1183
1184 if (((address % 2) == 0) && (size == 2))
1185 {
1186 return target_write_memory(target, address, 2, 1, buffer);
1187 }
1188
1189 /* handle unaligned head bytes */
1190 if (address % 4)
1191 {
1192 uint32_t unaligned = 4 - (address % 4);
1193
1194 if (unaligned > size)
1195 unaligned = size;
1196
1197 if ((retval = target_write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1198 return retval;
1199
1200 buffer += unaligned;
1201 address += unaligned;
1202 size -= unaligned;
1203 }
1204
1205 /* handle aligned words */
1206 if (size >= 4)
1207 {
1208 int aligned = size - (size % 4);
1209
1210 /* use bulk writes above a certain limit. This may have to be changed */
1211 if (aligned > 128)
1212 {
1213 if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1214 return retval;
1215 }
1216 else
1217 {
1218 if ((retval = target_write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1219 return retval;
1220 }
1221
1222 buffer += aligned;
1223 address += aligned;
1224 size -= aligned;
1225 }
1226
1227 /* handle tail writes of less than 4 bytes */
1228 if (size > 0)
1229 {
1230 if ((retval = target_write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1231 return retval;
1232 }
1233
1234 return ERROR_OK;
1235 }
1236
1237 /* Single aligned words are guaranteed to use 16 or 32 bit access
1238 * mode respectively, otherwise data is handled as quickly as
1239 * possible
1240 */
1241 int target_read_buffer(struct target_s *target, uint32_t address, uint32_t size, uint8_t *buffer)
1242 {
1243 int retval;
1244 LOG_DEBUG("reading buffer of %i byte at 0x%8.8x",
1245 (int)size, (unsigned)address);
1246
1247 if (!target_was_examined(target))
1248 {
1249 LOG_ERROR("Target not examined yet");
1250 return ERROR_FAIL;
1251 }
1252
1253 if (size == 0) {
1254 return ERROR_OK;
1255 }
1256
1257 if ((address + size - 1) < address)
1258 {
1259 /* GDB can request this when e.g. PC is 0xfffffffc*/
1260 LOG_ERROR("address + size wrapped(0x%08" PRIx32 ", 0x%08" PRIx32 ")",
1261 address,
1262 size);
1263 return ERROR_FAIL;
1264 }
1265
1266 if (((address % 2) == 0) && (size == 2))
1267 {
1268 return target_read_memory(target, address, 2, 1, buffer);
1269 }
1270
1271 /* handle unaligned head bytes */
1272 if (address % 4)
1273 {
1274 uint32_t unaligned = 4 - (address % 4);
1275
1276 if (unaligned > size)
1277 unaligned = size;
1278
1279 if ((retval = target_read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1280 return retval;
1281
1282 buffer += unaligned;
1283 address += unaligned;
1284 size -= unaligned;
1285 }
1286
1287 /* handle aligned words */
1288 if (size >= 4)
1289 {
1290 int aligned = size - (size % 4);
1291
1292 if ((retval = target_read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1293 return retval;
1294
1295 buffer += aligned;
1296 address += aligned;
1297 size -= aligned;
1298 }
1299
1300 /*prevent byte access when possible (avoid AHB access limitations in some cases)*/
1301 if(size >=2)
1302 {
1303 int aligned = size - (size%2);
1304 retval = target_read_memory(target, address, 2, aligned / 2, buffer);
1305 if (retval != ERROR_OK)
1306 return retval;
1307
1308 buffer += aligned;
1309 address += aligned;
1310 size -= aligned;
1311 }
1312 /* handle tail writes of less than 4 bytes */
1313 if (size > 0)
1314 {
1315 if ((retval = target_read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1316 return retval;
1317 }
1318
1319 return ERROR_OK;
1320 }
1321
1322 int target_checksum_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t* crc)
1323 {
1324 uint8_t *buffer;
1325 int retval;
1326 uint32_t i;
1327 uint32_t checksum = 0;
1328 if (!target_was_examined(target))
1329 {
1330 LOG_ERROR("Target not examined yet");
1331 return ERROR_FAIL;
1332 }
1333
1334 if ((retval = target->type->checksum_memory(target, address,
1335 size, &checksum)) != ERROR_OK)
1336 {
1337 buffer = malloc(size);
1338 if (buffer == NULL)
1339 {
1340 LOG_ERROR("error allocating buffer for section (%d bytes)", (int)size);
1341 return ERROR_INVALID_ARGUMENTS;
1342 }
1343 retval = target_read_buffer(target, address, size, buffer);
1344 if (retval != ERROR_OK)
1345 {
1346 free(buffer);
1347 return retval;
1348 }
1349
1350 /* convert to target endianess */
1351 for (i = 0; i < (size/sizeof(uint32_t)); i++)
1352 {
1353 uint32_t target_data;
1354 target_data = target_buffer_get_u32(target, &buffer[i*sizeof(uint32_t)]);
1355 target_buffer_set_u32(target, &buffer[i*sizeof(uint32_t)], target_data);
1356 }
1357
1358 retval = image_calculate_checksum(buffer, size, &checksum);
1359 free(buffer);
1360 }
1361
1362 *crc = checksum;
1363
1364 return retval;
1365 }
1366
1367 int target_blank_check_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t* blank)
1368 {
1369 int retval;
1370 if (!target_was_examined(target))
1371 {
1372 LOG_ERROR("Target not examined yet");
1373 return ERROR_FAIL;
1374 }
1375
1376 if (target->type->blank_check_memory == 0)
1377 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1378
1379 retval = target->type->blank_check_memory(target, address, size, blank);
1380
1381 return retval;
1382 }
1383
1384 int target_read_u32(struct target_s *target, uint32_t address, uint32_t *value)
1385 {
1386 uint8_t value_buf[4];
1387 if (!target_was_examined(target))
1388 {
1389 LOG_ERROR("Target not examined yet");
1390 return ERROR_FAIL;
1391 }
1392
1393 int retval = target_read_memory(target, address, 4, 1, value_buf);
1394
1395 if (retval == ERROR_OK)
1396 {
1397 *value = target_buffer_get_u32(target, value_buf);
1398 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
1399 address,
1400 *value);
1401 }
1402 else
1403 {
1404 *value = 0x0;
1405 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1406 address);
1407 }
1408
1409 return retval;
1410 }
1411
1412 int target_read_u16(struct target_s *target, uint32_t address, uint16_t *value)
1413 {
1414 uint8_t value_buf[2];
1415 if (!target_was_examined(target))
1416 {
1417 LOG_ERROR("Target not examined yet");
1418 return ERROR_FAIL;
1419 }
1420
1421 int retval = target_read_memory(target, address, 2, 1, value_buf);
1422
1423 if (retval == ERROR_OK)
1424 {
1425 *value = target_buffer_get_u16(target, value_buf);
1426 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%4.4x",
1427 address,
1428 *value);
1429 }
1430 else
1431 {
1432 *value = 0x0;
1433 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1434 address);
1435 }
1436
1437 return retval;
1438 }
1439
1440 int target_read_u8(struct target_s *target, uint32_t address, uint8_t *value)
1441 {
1442 int retval = target_read_memory(target, address, 1, 1, value);
1443 if (!target_was_examined(target))
1444 {
1445 LOG_ERROR("Target not examined yet");
1446 return ERROR_FAIL;
1447 }
1448
1449 if (retval == ERROR_OK)
1450 {
1451 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
1452 address,
1453 *value);
1454 }
1455 else
1456 {
1457 *value = 0x0;
1458 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1459 address);
1460 }
1461
1462 return retval;
1463 }
1464
1465 int target_write_u32(struct target_s *target, uint32_t address, uint32_t value)
1466 {
1467 int retval;
1468 uint8_t value_buf[4];
1469 if (!target_was_examined(target))
1470 {
1471 LOG_ERROR("Target not examined yet");
1472 return ERROR_FAIL;
1473 }
1474
1475 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
1476 address,
1477 value);
1478
1479 target_buffer_set_u32(target, value_buf, value);
1480 if ((retval = target_write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1481 {
1482 LOG_DEBUG("failed: %i", retval);
1483 }
1484
1485 return retval;
1486 }
1487
1488 int target_write_u16(struct target_s *target, uint32_t address, uint16_t value)
1489 {
1490 int retval;
1491 uint8_t value_buf[2];
1492 if (!target_was_examined(target))
1493 {
1494 LOG_ERROR("Target not examined yet");
1495 return ERROR_FAIL;
1496 }
1497
1498 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8x",
1499 address,
1500 value);
1501
1502 target_buffer_set_u16(target, value_buf, value);
1503 if ((retval = target_write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1504 {
1505 LOG_DEBUG("failed: %i", retval);
1506 }
1507
1508 return retval;
1509 }
1510
1511 int target_write_u8(struct target_s *target, uint32_t address, uint8_t value)
1512 {
1513 int retval;
1514 if (!target_was_examined(target))
1515 {
1516 LOG_ERROR("Target not examined yet");
1517 return ERROR_FAIL;
1518 }
1519
1520 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
1521 address, value);
1522
1523 if ((retval = target_write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1524 {
1525 LOG_DEBUG("failed: %i", retval);
1526 }
1527
1528 return retval;
1529 }
1530
1531 int target_register_user_commands(struct command_context_s *cmd_ctx)
1532 {
1533 int retval = ERROR_OK;
1534
1535
1536 /* script procedures */
1537 register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "profiling samples the CPU PC");
1538 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>");
1539 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>");
1540
1541 register_command(cmd_ctx, NULL, "fast_load_image", handle_fast_load_image_command, COMMAND_ANY,
1542 "same args as load_image, image stored in memory - mainly for profiling purposes");
1543
1544 register_command(cmd_ctx, NULL, "fast_load", handle_fast_load_command, COMMAND_ANY,
1545 "loads active fast load image to current target - mainly for profiling purposes");
1546
1547
1548 register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "translate a virtual address into a physical address");
1549 register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, "display or set a register");
1550 register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1551 register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1552 register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1553 register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1554 register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1555 register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run | halt | init] - default is run");
1556 register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1557
1558 register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words [phys] <addr> [count]");
1559 register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words [phys] <addr> [count]");
1560 register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes [phys] <addr> [count]");
1561
1562 register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word [phys] <addr> <value> [count]");
1563 register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word [phys] <addr> <value> [count]");
1564 register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte [phys] <addr> <value> [count]");
1565
1566 register_command(cmd_ctx, NULL, "bp",
1567 handle_bp_command, COMMAND_EXEC,
1568 "list or set breakpoint [<address> <length> [hw]]");
1569 register_command(cmd_ctx, NULL, "rbp",
1570 handle_rbp_command, COMMAND_EXEC,
1571 "remove breakpoint <address>");
1572 register_command(cmd_ctx, NULL, "wp",
1573 handle_wp_command, COMMAND_EXEC,
1574 "list or set watchpoint "
1575 "[<address> <length> <r/w/a> [value] [mask]]");
1576 register_command(cmd_ctx, NULL, "rwp",
1577 handle_rwp_command, COMMAND_EXEC,
1578 "remove watchpoint <address>");
1579
1580 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]");
1581 register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1582 register_command(cmd_ctx, NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1583 register_command(cmd_ctx, NULL, "test_image", handle_test_image_command, COMMAND_EXEC, "test_image <file> [offset] [type]");
1584
1585 if ((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
1586 return retval;
1587 if ((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
1588 return retval;
1589
1590 return retval;
1591 }
1592
1593 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1594 {
1595 target_t *target = all_targets;
1596
1597 if (argc == 1)
1598 {
1599 target = get_target(args[0]);
1600 if (target == NULL) {
1601 command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0]);
1602 goto DumpTargets;
1603 }
1604 if (!target->tap->enabled) {
1605 command_print(cmd_ctx,"Target: TAP %s is disabled, "
1606 "can't be the current target\n",
1607 target->tap->dotted_name);
1608 return ERROR_FAIL;
1609 }
1610
1611 cmd_ctx->current_target = target->target_number;
1612 return ERROR_OK;
1613 }
1614 DumpTargets:
1615
1616 target = all_targets;
1617 command_print(cmd_ctx, " TargetName Type Endian TapName State ");
1618 command_print(cmd_ctx, "-- ------------------ ---------- ------ ------------------ ------------");
1619 while (target)
1620 {
1621 const char *state;
1622 char marker = ' ';
1623
1624 if (target->tap->enabled)
1625 state = target_state_name( target );
1626 else
1627 state = "tap-disabled";
1628
1629 if (cmd_ctx->current_target == target->target_number)
1630 marker = '*';
1631
1632 /* keep columns lined up to match the headers above */
1633 command_print(cmd_ctx, "%2d%c %-18s %-10s %-6s %-18s %s",
1634 target->target_number,
1635 marker,
1636 target->cmd_name,
1637 target_get_name(target),
1638 Jim_Nvp_value2name_simple(nvp_target_endian,
1639 target->endianness)->name,
1640 target->tap->dotted_name,
1641 state);
1642 target = target->next;
1643 }
1644
1645 return ERROR_OK;
1646 }
1647
1648 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1649
1650 static int powerDropout;
1651 static int srstAsserted;
1652
1653 static int runPowerRestore;
1654 static int runPowerDropout;
1655 static int runSrstAsserted;
1656 static int runSrstDeasserted;
1657
1658 static int sense_handler(void)
1659 {
1660 static int prevSrstAsserted = 0;
1661 static int prevPowerdropout = 0;
1662
1663 int retval;
1664 if ((retval = jtag_power_dropout(&powerDropout)) != ERROR_OK)
1665 return retval;
1666
1667 int powerRestored;
1668 powerRestored = prevPowerdropout && !powerDropout;
1669 if (powerRestored)
1670 {
1671 runPowerRestore = 1;
1672 }
1673
1674 long long current = timeval_ms();
1675 static long long lastPower = 0;
1676 int waitMore = lastPower + 2000 > current;
1677 if (powerDropout && !waitMore)
1678 {
1679 runPowerDropout = 1;
1680 lastPower = current;
1681 }
1682
1683 if ((retval = jtag_srst_asserted(&srstAsserted)) != ERROR_OK)
1684 return retval;
1685
1686 int srstDeasserted;
1687 srstDeasserted = prevSrstAsserted && !srstAsserted;
1688
1689 static long long lastSrst = 0;
1690 waitMore = lastSrst + 2000 > current;
1691 if (srstDeasserted && !waitMore)
1692 {
1693 runSrstDeasserted = 1;
1694 lastSrst = current;
1695 }
1696
1697 if (!prevSrstAsserted && srstAsserted)
1698 {
1699 runSrstAsserted = 1;
1700 }
1701
1702 prevSrstAsserted = srstAsserted;
1703 prevPowerdropout = powerDropout;
1704
1705 if (srstDeasserted || powerRestored)
1706 {
1707 /* Other than logging the event we can't do anything here.
1708 * Issuing a reset is a particularly bad idea as we might
1709 * be inside a reset already.
1710 */
1711 }
1712
1713 return ERROR_OK;
1714 }
1715
1716 static void target_call_event_callbacks_all(enum target_event e) {
1717 target_t *target;
1718 target = all_targets;
1719 while (target) {
1720 target_call_event_callbacks(target, e);
1721 target = target->next;
1722 }
1723 }
1724
1725 /* process target state changes */
1726 int handle_target(void *priv)
1727 {
1728 int retval = ERROR_OK;
1729
1730 /* we do not want to recurse here... */
1731 static int recursive = 0;
1732 if (! recursive)
1733 {
1734 recursive = 1;
1735 sense_handler();
1736 /* danger! running these procedures can trigger srst assertions and power dropouts.
1737 * We need to avoid an infinite loop/recursion here and we do that by
1738 * clearing the flags after running these events.
1739 */
1740 int did_something = 0;
1741 if (runSrstAsserted)
1742 {
1743 target_call_event_callbacks_all(TARGET_EVENT_GDB_HALT);
1744 Jim_Eval(interp, "srst_asserted");
1745 did_something = 1;
1746 }
1747 if (runSrstDeasserted)
1748 {
1749 Jim_Eval(interp, "srst_deasserted");
1750 did_something = 1;
1751 }
1752 if (runPowerDropout)
1753 {
1754 target_call_event_callbacks_all(TARGET_EVENT_GDB_HALT);
1755 Jim_Eval(interp, "power_dropout");
1756 did_something = 1;
1757 }
1758 if (runPowerRestore)
1759 {
1760 Jim_Eval(interp, "power_restore");
1761 did_something = 1;
1762 }
1763
1764 if (did_something)
1765 {
1766 /* clear detect flags */
1767 sense_handler();
1768 }
1769
1770 /* clear action flags */
1771
1772 runSrstAsserted = 0;
1773 runSrstDeasserted = 0;
1774 runPowerRestore = 0;
1775 runPowerDropout = 0;
1776
1777 recursive = 0;
1778 }
1779
1780 /* Poll targets for state changes unless that's globally disabled.
1781 * Skip targets that are currently disabled.
1782 */
1783 for (target_t *target = all_targets;
1784 is_jtag_poll_safe() && target;
1785 target = target->next)
1786 {
1787 if (!target->tap->enabled)
1788 continue;
1789
1790 /* only poll target if we've got power and srst isn't asserted */
1791 if (!powerDropout && !srstAsserted)
1792 {
1793 /* polling may fail silently until the target has been examined */
1794 if ((retval = target_poll(target)) != ERROR_OK)
1795 {
1796 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
1797 return retval;
1798 }
1799 }
1800 }
1801
1802 return retval;
1803 }
1804
1805 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1806 {
1807 target_t *target;
1808 reg_t *reg = NULL;
1809 int count = 0;
1810 char *value;
1811
1812 LOG_DEBUG("-");
1813
1814 target = get_current_target(cmd_ctx);
1815
1816 /* list all available registers for the current target */
1817 if (argc == 0)
1818 {
1819 reg_cache_t *cache = target->reg_cache;
1820
1821 count = 0;
1822 while (cache)
1823 {
1824 int i;
1825
1826 command_print(cmd_ctx, "===== %s", cache->name);
1827
1828 for (i = 0, reg = cache->reg_list;
1829 i < cache->num_regs;
1830 i++, reg++, count++)
1831 {
1832 /* only print cached values if they are valid */
1833 if (reg->valid) {
1834 value = buf_to_str(reg->value,
1835 reg->size, 16);
1836 command_print(cmd_ctx,
1837 "(%i) %s (/%" PRIu32 "): 0x%s%s",
1838 count, reg->name,
1839 reg->size, value,
1840 reg->dirty
1841 ? " (dirty)"
1842 : "");
1843 free(value);
1844 } else {
1845 command_print(cmd_ctx, "(%i) %s (/%" PRIu32 ")",
1846 count, reg->name,
1847 reg->size) ;
1848 }
1849 }
1850 cache = cache->next;
1851 }
1852
1853 return ERROR_OK;
1854 }
1855
1856 /* access a single register by its ordinal number */
1857 if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1858 {
1859 unsigned num;
1860 int retval = parse_uint(args[0], &num);
1861 if (ERROR_OK != retval)
1862 return ERROR_COMMAND_SYNTAX_ERROR;
1863
1864 reg_cache_t *cache = target->reg_cache;
1865 count = 0;
1866 while (cache)
1867 {
1868 int i;
1869 for (i = 0; i < cache->num_regs; i++)
1870 {
1871 if (count++ == (int)num)
1872 {
1873 reg = &cache->reg_list[i];
1874 break;
1875 }
1876 }
1877 if (reg)
1878 break;
1879 cache = cache->next;
1880 }
1881
1882 if (!reg)
1883 {
1884 command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1885 return ERROR_OK;
1886 }
1887 } else /* access a single register by its name */
1888 {
1889 reg = register_get_by_name(target->reg_cache, args[0], 1);
1890
1891 if (!reg)
1892 {
1893 command_print(cmd_ctx, "register %s not found in current target", args[0]);
1894 return ERROR_OK;
1895 }
1896 }
1897
1898 /* display a register */
1899 if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1900 {
1901 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1902 reg->valid = 0;
1903
1904 if (reg->valid == 0)
1905 {
1906 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1907 arch_type->get(reg);
1908 }
1909 value = buf_to_str(reg->value, reg->size, 16);
1910 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
1911 free(value);
1912 return ERROR_OK;
1913 }
1914
1915 /* set register value */
1916 if (argc == 2)
1917 {
1918 uint8_t *buf = malloc(CEIL(reg->size, 8));
1919 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1920
1921 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1922 arch_type->set(reg, buf);
1923
1924 value = buf_to_str(reg->value, reg->size, 16);
1925 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
1926 free(value);
1927
1928 free(buf);
1929
1930 return ERROR_OK;
1931 }
1932
1933 command_print(cmd_ctx, "usage: reg <#|name> [value]");
1934
1935 return ERROR_OK;
1936 }
1937
1938 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1939 {
1940 int retval = ERROR_OK;
1941 target_t *target = get_current_target(cmd_ctx);
1942
1943 if (argc == 0)
1944 {
1945 command_print(cmd_ctx, "background polling: %s",
1946 jtag_poll_get_enabled() ? "on" : "off");
1947 command_print(cmd_ctx, "TAP: %s (%s)",
1948 target->tap->dotted_name,
1949 target->tap->enabled ? "enabled" : "disabled");
1950 if (!target->tap->enabled)
1951 return ERROR_OK;
1952 if ((retval = target_poll(target)) != ERROR_OK)
1953 return retval;
1954 if ((retval = target_arch_state(target)) != ERROR_OK)
1955 return retval;
1956
1957 }
1958 else if (argc == 1)
1959 {
1960 if (strcmp(args[0], "on") == 0)
1961 {
1962 jtag_poll_set_enabled(true);
1963 }
1964 else if (strcmp(args[0], "off") == 0)
1965 {
1966 jtag_poll_set_enabled(false);
1967 }
1968 else
1969 {
1970 command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1971 }
1972 } else
1973 {
1974 return ERROR_COMMAND_SYNTAX_ERROR;
1975 }
1976
1977 return retval;
1978 }
1979
1980 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1981 {
1982 if (argc > 1)
1983 return ERROR_COMMAND_SYNTAX_ERROR;
1984
1985 unsigned ms = 5000;
1986 if (1 == argc)
1987 {
1988 int retval = parse_uint(args[0], &ms);
1989 if (ERROR_OK != retval)
1990 {
1991 command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1992 return ERROR_COMMAND_SYNTAX_ERROR;
1993 }
1994 // convert seconds (given) to milliseconds (needed)
1995 ms *= 1000;
1996 }
1997
1998 target_t *target = get_current_target(cmd_ctx);
1999 return target_wait_state(target, TARGET_HALTED, ms);
2000 }
2001
2002 /* wait for target state to change. The trick here is to have a low
2003 * latency for short waits and not to suck up all the CPU time
2004 * on longer waits.
2005 *
2006 * After 500ms, keep_alive() is invoked
2007 */
2008 int target_wait_state(target_t *target, enum target_state state, int ms)
2009 {
2010 int retval;
2011 long long then = 0, cur;
2012 int once = 1;
2013
2014 for (;;)
2015 {
2016 if ((retval = target_poll(target)) != ERROR_OK)
2017 return retval;
2018 if (target->state == state)
2019 {
2020 break;
2021 }
2022 cur = timeval_ms();
2023 if (once)
2024 {
2025 once = 0;
2026 then = timeval_ms();
2027 LOG_DEBUG("waiting for target %s...",
2028 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
2029 }
2030
2031 if (cur-then > 500)
2032 {
2033 keep_alive();
2034 }
2035
2036 if ((cur-then) > ms)
2037 {
2038 LOG_ERROR("timed out while waiting for target %s",
2039 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
2040 return ERROR_FAIL;
2041 }
2042 }
2043
2044 return ERROR_OK;
2045 }
2046
2047 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2048 {
2049 LOG_DEBUG("-");
2050
2051 target_t *target = get_current_target(cmd_ctx);
2052 int retval = target_halt(target);
2053 if (ERROR_OK != retval)
2054 return retval;
2055
2056 if (argc == 1)
2057 {
2058 unsigned wait;
2059 retval = parse_uint(args[0], &wait);
2060 if (ERROR_OK != retval)
2061 return ERROR_COMMAND_SYNTAX_ERROR;
2062 if (!wait)
2063 return ERROR_OK;
2064 }
2065
2066 return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
2067 }
2068
2069 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2070 {
2071 target_t *target = get_current_target(cmd_ctx);
2072
2073 LOG_USER("requesting target halt and executing a soft reset");
2074
2075 target->type->soft_reset_halt(target);
2076
2077 return ERROR_OK;
2078 }
2079
2080 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2081 {
2082 if (argc > 1)
2083 return ERROR_COMMAND_SYNTAX_ERROR;
2084
2085 enum target_reset_mode reset_mode = RESET_RUN;
2086 if (argc == 1)
2087 {
2088 const Jim_Nvp *n;
2089 n = Jim_Nvp_name2value_simple(nvp_reset_modes, args[0]);
2090 if ((n->name == NULL) || (n->value == RESET_UNKNOWN)) {
2091 return ERROR_COMMAND_SYNTAX_ERROR;
2092 }
2093 reset_mode = n->value;
2094 }
2095
2096 /* reset *all* targets */
2097 return target_process_reset(cmd_ctx, reset_mode);
2098 }
2099
2100
2101 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2102 {
2103 int current = 1;
2104 if (argc > 1)
2105 return ERROR_COMMAND_SYNTAX_ERROR;
2106
2107 target_t *target = get_current_target(cmd_ctx);
2108 target_handle_event(target, TARGET_EVENT_OLD_pre_resume);
2109
2110 /* with no args, resume from current pc, addr = 0,
2111 * with one arguments, addr = args[0],
2112 * handle breakpoints, not debugging */
2113 uint32_t addr = 0;
2114 if (argc == 1)
2115 {
2116 int retval = parse_u32(args[0], &addr);
2117 if (ERROR_OK != retval)
2118 return retval;
2119 current = 0;
2120 }
2121
2122 return target_resume(target, current, addr, 1, 0);
2123 }
2124
2125 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2126 {
2127 if (argc > 1)
2128 return ERROR_COMMAND_SYNTAX_ERROR;
2129
2130 LOG_DEBUG("-");
2131
2132 /* with no args, step from current pc, addr = 0,
2133 * with one argument addr = args[0],
2134 * handle breakpoints, debugging */
2135 uint32_t addr = 0;
2136 int current_pc = 1;
2137 if (argc == 1)
2138 {
2139 int retval = parse_u32(args[0], &addr);
2140 if (ERROR_OK != retval)
2141 return retval;
2142 current_pc = 0;
2143 }
2144
2145 target_t *target = get_current_target(cmd_ctx);
2146
2147 return target->type->step(target, current_pc, addr, 1);
2148 }
2149
2150 static void handle_md_output(struct command_context_s *cmd_ctx,
2151 struct target_s *target, uint32_t address, unsigned size,
2152 unsigned count, const uint8_t *buffer)
2153 {
2154 const unsigned line_bytecnt = 32;
2155 unsigned line_modulo = line_bytecnt / size;
2156
2157 char output[line_bytecnt * 4 + 1];
2158 unsigned output_len = 0;
2159
2160 const char *value_fmt;
2161 switch (size) {
2162 case 4: value_fmt = "%8.8x "; break;
2163 case 2: value_fmt = "%4.2x "; break;
2164 case 1: value_fmt = "%2.2x "; break;
2165 default:
2166 LOG_ERROR("invalid memory read size: %u", size);
2167 exit(-1);
2168 }
2169
2170 for (unsigned i = 0; i < count; i++)
2171 {
2172 if (i % line_modulo == 0)
2173 {
2174 output_len += snprintf(output + output_len,
2175 sizeof(output) - output_len,
2176 "0x%8.8x: ",
2177 (unsigned)(address + (i*size)));
2178 }
2179
2180 uint32_t value = 0;
2181 const uint8_t *value_ptr = buffer + i * size;
2182 switch (size) {
2183 case 4: value = target_buffer_get_u32(target, value_ptr); break;
2184 case 2: value = target_buffer_get_u16(target, value_ptr); break;
2185 case 1: value = *value_ptr;
2186 }
2187 output_len += snprintf(output + output_len,
2188 sizeof(output) - output_len,
2189 value_fmt, value);
2190
2191 if ((i % line_modulo == line_modulo - 1) || (i == count - 1))
2192 {
2193 command_print(cmd_ctx, "%s", output);
2194 output_len = 0;
2195 }
2196 }
2197 }
2198
2199 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2200 {
2201 if (argc < 1)
2202 return ERROR_COMMAND_SYNTAX_ERROR;
2203
2204 unsigned size = 0;
2205 switch (cmd[2]) {
2206 case 'w': size = 4; break;
2207 case 'h': size = 2; break;
2208 case 'b': size = 1; break;
2209 default: return ERROR_COMMAND_SYNTAX_ERROR;
2210 }
2211
2212 bool physical=strcmp(args[0], "phys")==0;
2213 int (*fn)(struct target_s *target,
2214 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
2215 if (physical)
2216 {
2217 argc--;
2218 args++;
2219 fn=target_read_phys_memory;
2220 } else
2221 {
2222 fn=target_read_memory;
2223 }
2224 if ((argc < 1) || (argc > 2))
2225 {
2226 return ERROR_COMMAND_SYNTAX_ERROR;
2227 }
2228 uint32_t address;
2229 int retval = parse_u32(args[0], &address);
2230 if (ERROR_OK != retval)
2231 return retval;
2232
2233 unsigned count = 1;
2234 if (argc == 2)
2235 {
2236 retval = parse_uint(args[1], &count);
2237 if (ERROR_OK != retval)
2238 return retval;
2239 }
2240
2241 uint8_t *buffer = calloc(count, size);
2242
2243 target_t *target = get_current_target(cmd_ctx);
2244 retval = fn(target, address, size, count, buffer);
2245 if (ERROR_OK == retval)
2246 handle_md_output(cmd_ctx, target, address, size, count, buffer);
2247
2248 free(buffer);
2249
2250 return retval;
2251 }
2252
2253 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2254 {
2255 if (argc < 2)
2256 {
2257 return ERROR_COMMAND_SYNTAX_ERROR;
2258 }
2259 bool physical=strcmp(args[0], "phys")==0;
2260 int (*fn)(struct target_s *target,
2261 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
2262 if (physical)
2263 {
2264 argc--;
2265 args++;
2266 fn=target_write_phys_memory;
2267 } else
2268 {
2269 fn=target_write_memory;
2270 }
2271 if ((argc < 2) || (argc > 3))
2272 return ERROR_COMMAND_SYNTAX_ERROR;
2273
2274 uint32_t address;
2275 int retval = parse_u32(args[0], &address);
2276 if (ERROR_OK != retval)
2277 return retval;
2278
2279 uint32_t value;
2280 retval = parse_u32(args[1], &value);
2281 if (ERROR_OK != retval)
2282 return retval;
2283
2284 unsigned count = 1;
2285 if (argc == 3)
2286 {
2287 retval = parse_uint(args[2], &count);
2288 if (ERROR_OK != retval)
2289 return retval;
2290 }
2291
2292 target_t *target = get_current_target(cmd_ctx);
2293 unsigned wordsize;
2294 uint8_t value_buf[4];
2295 switch (cmd[2])
2296 {
2297 case 'w':
2298 wordsize = 4;
2299 target_buffer_set_u32(target, value_buf, value);
2300 break;
2301 case 'h':
2302 wordsize = 2;
2303 target_buffer_set_u16(target, value_buf, value);
2304 break;
2305 case 'b':
2306 wordsize = 1;
2307 value_buf[0] = value;
2308 break;
2309 default:
2310 return ERROR_COMMAND_SYNTAX_ERROR;
2311 }
2312 for (unsigned i = 0; i < count; i++)
2313 {
2314 retval = fn(target,
2315 address + i * wordsize, wordsize, 1, value_buf);
2316 if (ERROR_OK != retval)
2317 return retval;
2318 keep_alive();
2319 }
2320
2321 return ERROR_OK;
2322
2323 }
2324
2325 static int parse_load_image_command_args(char **args, int argc,
2326 image_t *image, uint32_t *min_address, uint32_t *max_address)
2327 {
2328 if (argc < 1 || argc > 5)
2329 return ERROR_COMMAND_SYNTAX_ERROR;
2330
2331 /* a base address isn't always necessary,
2332 * default to 0x0 (i.e. don't relocate) */
2333 if (argc >= 2)
2334 {
2335 uint32_t addr;
2336 int retval = parse_u32(args[1], &addr);
2337 if (ERROR_OK != retval)
2338 return ERROR_COMMAND_SYNTAX_ERROR;
2339 image->base_address = addr;
2340 image->base_address_set = 1;
2341 }
2342 else
2343 image->base_address_set = 0;
2344
2345 image->start_address_set = 0;
2346
2347 if (argc >= 4)
2348 {
2349 int retval = parse_u32(args[3], min_address);
2350 if (ERROR_OK != retval)
2351 return ERROR_COMMAND_SYNTAX_ERROR;
2352 }
2353 if (argc == 5)
2354 {
2355 int retval = parse_u32(args[4], max_address);
2356 if (ERROR_OK != retval)
2357 return ERROR_COMMAND_SYNTAX_ERROR;
2358 // use size (given) to find max (required)
2359 *max_address += *min_address;
2360 }
2361
2362 if (*min_address > *max_address)
2363 return ERROR_COMMAND_SYNTAX_ERROR;
2364
2365 return ERROR_OK;
2366 }
2367
2368 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2369 {
2370 uint8_t *buffer;
2371 uint32_t buf_cnt;
2372 uint32_t image_size;
2373 uint32_t min_address = 0;
2374 uint32_t max_address = 0xffffffff;
2375 int i;
2376 int retvaltemp;
2377
2378 image_t image;
2379
2380 duration_t duration;
2381 char *duration_text;
2382
2383 int retval = parse_load_image_command_args(args, argc,
2384 &image, &min_address, &max_address);
2385 if (ERROR_OK != retval)
2386 return retval;
2387
2388 target_t *target = get_current_target(cmd_ctx);
2389 duration_start_measure(&duration);
2390
2391 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2392 {
2393 return ERROR_OK;
2394 }
2395
2396 image_size = 0x0;
2397 retval = ERROR_OK;
2398 for (i = 0; i < image.num_sections; i++)
2399 {
2400 buffer = malloc(image.sections[i].size);
2401 if (buffer == NULL)
2402 {
2403 command_print(cmd_ctx,
2404 "error allocating buffer for section (%d bytes)",
2405 (int)(image.sections[i].size));
2406 break;
2407 }
2408
2409 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2410 {
2411 free(buffer);
2412 break;
2413 }
2414
2415 uint32_t offset = 0;
2416 uint32_t length = buf_cnt;
2417
2418 /* DANGER!!! beware of unsigned comparision here!!! */
2419
2420 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
2421 (image.sections[i].base_address < max_address))
2422 {
2423 if (image.sections[i].base_address < min_address)
2424 {
2425 /* clip addresses below */
2426 offset += min_address-image.sections[i].base_address;
2427 length -= offset;
2428 }
2429
2430 if (image.sections[i].base_address + buf_cnt > max_address)
2431 {
2432 length -= (image.sections[i].base_address + buf_cnt)-max_address;
2433 }
2434
2435 if ((retval = target_write_buffer(target, image.sections[i].base_address + offset, length, buffer + offset)) != ERROR_OK)
2436 {
2437 free(buffer);
2438 break;
2439 }
2440 image_size += length;
2441 command_print(cmd_ctx, "%u bytes written at address 0x%8.8" PRIx32 "",
2442 (unsigned int)length,
2443 image.sections[i].base_address + offset);
2444 }
2445
2446 free(buffer);
2447 }
2448
2449 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2450 {
2451 image_close(&image);
2452 return retvaltemp;
2453 }
2454
2455 if (retval == ERROR_OK)
2456 {
2457 command_print(cmd_ctx, "downloaded %u byte in %s",
2458 (unsigned int)image_size,
2459 duration_text);
2460 }
2461 free(duration_text);
2462
2463 image_close(&image);
2464
2465 return retval;
2466
2467 }
2468
2469 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2470 {
2471 fileio_t fileio;
2472
2473 uint8_t buffer[560];
2474 int retvaltemp;
2475
2476 duration_t duration;
2477 char *duration_text;
2478
2479 target_t *target = get_current_target(cmd_ctx);
2480
2481 if (argc != 3)
2482 {
2483 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2484 return ERROR_OK;
2485 }
2486
2487 uint32_t address;
2488 int retval = parse_u32(args[1], &address);
2489 if (ERROR_OK != retval)
2490 return retval;
2491
2492 uint32_t size;
2493 retval = parse_u32(args[2], &size);
2494 if (ERROR_OK != retval)
2495 return retval;
2496
2497 if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2498 {
2499 return ERROR_OK;
2500 }
2501
2502 duration_start_measure(&duration);
2503
2504 while (size > 0)
2505 {
2506 uint32_t size_written;
2507 uint32_t this_run_size = (size > 560) ? 560 : size;
2508
2509 retval = target_read_buffer(target, address, this_run_size, buffer);
2510 if (retval != ERROR_OK)
2511 {
2512 break;
2513 }
2514
2515 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2516 if (retval != ERROR_OK)
2517 {
2518 break;
2519 }
2520
2521 size -= this_run_size;
2522 address += this_run_size;
2523 }
2524
2525 if ((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2526 return retvaltemp;
2527
2528 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2529 return retvaltemp;
2530
2531 if (retval == ERROR_OK)
2532 {
2533 command_print(cmd_ctx, "dumped %lld byte in %s",
2534 fileio.size, duration_text);
2535 free(duration_text);
2536 }
2537
2538 return retval;
2539 }
2540
2541 static int handle_verify_image_command_internal(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, int verify)
2542 {
2543 uint8_t *buffer;
2544 uint32_t buf_cnt;
2545 uint32_t image_size;
2546 int i;
2547 int retval, retvaltemp;
2548 uint32_t checksum = 0;
2549 uint32_t mem_checksum = 0;
2550
2551 image_t image;
2552
2553 duration_t duration;
2554 char *duration_text;
2555
2556 target_t *target = get_current_target(cmd_ctx);
2557
2558 if (argc < 1)
2559 {
2560 return ERROR_COMMAND_SYNTAX_ERROR;
2561 }
2562
2563 if (!target)
2564 {
2565 LOG_ERROR("no target selected");
2566 return ERROR_FAIL;
2567 }
2568
2569 duration_start_measure(&duration);
2570
2571 if (argc >= 2)
2572 {
2573 uint32_t addr;
2574 retval = parse_u32(args[1], &addr);
2575 if (ERROR_OK != retval)
2576 return ERROR_COMMAND_SYNTAX_ERROR;
2577 image.base_address = addr;
2578 image.base_address_set = 1;
2579 }
2580 else
2581 {
2582 image.base_address_set = 0;
2583 image.base_address = 0x0;
2584 }
2585
2586 image.start_address_set = 0;
2587
2588 if ((retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2589 {
2590 return retval;
2591 }
2592
2593 image_size = 0x0;
2594 retval = ERROR_OK;
2595 for (i = 0; i < image.num_sections; i++)
2596 {
2597 buffer = malloc(image.sections[i].size);
2598 if (buffer == NULL)
2599 {
2600 command_print(cmd_ctx,
2601 "error allocating buffer for section (%d bytes)",
2602 (int)(image.sections[i].size));
2603 break;
2604 }
2605 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2606 {
2607 free(buffer);
2608 break;
2609 }
2610
2611 if (verify)
2612 {
2613 /* calculate checksum of image */
2614 image_calculate_checksum(buffer, buf_cnt, &checksum);
2615
2616 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2617 if (retval != ERROR_OK)
2618 {
2619 free(buffer);
2620 break;
2621 }
2622
2623 if (checksum != mem_checksum)
2624 {
2625 /* failed crc checksum, fall back to a binary compare */
2626 uint8_t *data;
2627
2628 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2629
2630 data = (uint8_t*)malloc(buf_cnt);
2631
2632 /* Can we use 32bit word accesses? */
2633 int size = 1;
2634 int count = buf_cnt;
2635 if ((count % 4) == 0)
2636 {
2637 size *= 4;
2638 count /= 4;
2639 }
2640 retval = target_read_memory(target, image.sections[i].base_address, size, count, data);
2641 if (retval == ERROR_OK)
2642 {
2643 uint32_t t;
2644 for (t = 0; t < buf_cnt; t++)
2645 {
2646 if (data[t] != buffer[t])
2647 {
2648 command_print(cmd_ctx,
2649 "Verify operation failed address 0x%08x. Was 0x%02x instead of 0x%02x\n",
2650 (unsigned)(t + image.sections[i].base_address),
2651 data[t],
2652 buffer[t]);
2653 free(data);
2654 free(buffer);
2655 retval = ERROR_FAIL;
2656 goto done;
2657 }
2658 if ((t%16384) == 0)
2659 {
2660 keep_alive();
2661 }
2662 }
2663 }
2664
2665 free(data);
2666 }
2667 } else
2668 {
2669 command_print(cmd_ctx, "address 0x%08" PRIx32 " length 0x%08" PRIx32 "",
2670 image.sections[i].base_address,
2671 buf_cnt);
2672 }
2673
2674 free(buffer);
2675 image_size += buf_cnt;
2676 }
2677 done:
2678
2679 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2680 {
2681 image_close(&image);
2682 return retvaltemp;
2683 }
2684
2685 if (retval == ERROR_OK)
2686 {
2687 command_print(cmd_ctx, "verified %u bytes in %s",
2688 (unsigned int)image_size,
2689 duration_text);
2690 }
2691 free(duration_text);
2692
2693 image_close(&image);
2694
2695 return retval;
2696 }
2697
2698 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2699 {
2700 return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 1);
2701 }
2702
2703 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2704 {
2705 return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 0);
2706 }
2707
2708 static int handle_bp_command_list(struct command_context_s *cmd_ctx)
2709 {
2710 target_t *target = get_current_target(cmd_ctx);
2711 breakpoint_t *breakpoint = target->breakpoints;
2712 while (breakpoint)
2713 {
2714 if (breakpoint->type == BKPT_SOFT)
2715 {
2716 char* buf = buf_to_str(breakpoint->orig_instr,
2717 breakpoint->length, 16);
2718 command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i, 0x%s",
2719 breakpoint->address,
2720 breakpoint->length,
2721 breakpoint->set, buf);
2722 free(buf);
2723 }
2724 else
2725 {
2726 command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i",
2727 breakpoint->address,
2728 breakpoint->length, breakpoint->set);
2729 }
2730
2731 breakpoint = breakpoint->next;
2732 }
2733 return ERROR_OK;
2734 }
2735
2736 static int handle_bp_command_set(struct command_context_s *cmd_ctx,
2737 uint32_t addr, uint32_t length, int hw)
2738 {
2739 target_t *target = get_current_target(cmd_ctx);
2740 int retval = breakpoint_add(target, addr, length, hw);
2741 if (ERROR_OK == retval)
2742 command_print(cmd_ctx, "breakpoint set at 0x%8.8" PRIx32 "", addr);
2743 else
2744 LOG_ERROR("Failure setting breakpoint");
2745 return retval;
2746 }
2747
2748 static int handle_bp_command(struct command_context_s *cmd_ctx,
2749 char *cmd, char **args, int argc)
2750 {
2751 if (argc == 0)
2752 return handle_bp_command_list(cmd_ctx);
2753
2754 if (argc < 2 || argc > 3)
2755 {
2756 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2757 return ERROR_COMMAND_SYNTAX_ERROR;
2758 }
2759
2760 uint32_t addr;
2761 int retval = parse_u32(args[0], &addr);
2762 if (ERROR_OK != retval)
2763 return retval;
2764
2765 uint32_t length;
2766 retval = parse_u32(args[1], &length);
2767 if (ERROR_OK != retval)
2768 return retval;
2769
2770 int hw = BKPT_SOFT;
2771 if (argc == 3)
2772 {
2773 if (strcmp(args[2], "hw") == 0)
2774 hw = BKPT_HARD;
2775 else
2776 return ERROR_COMMAND_SYNTAX_ERROR;
2777 }
2778
2779 return handle_bp_command_set(cmd_ctx, addr, length, hw);
2780 }
2781
2782 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2783 {
2784 if (argc != 1)
2785 return ERROR_COMMAND_SYNTAX_ERROR;
2786
2787 uint32_t addr;
2788 int retval = parse_u32(args[0], &addr);
2789 if (ERROR_OK != retval)
2790 return retval;
2791
2792 target_t *target = get_current_target(cmd_ctx);
2793 breakpoint_remove(target, addr);
2794
2795 return ERROR_OK;
2796 }
2797
2798 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2799 {
2800 target_t *target = get_current_target(cmd_ctx);
2801
2802 if (argc == 0)
2803 {
2804 watchpoint_t *watchpoint = target->watchpoints;
2805
2806 while (watchpoint)
2807 {
2808 command_print(cmd_ctx,
2809 "address: 0x%8.8" PRIx32 ", len: 0x%8.8x, r/w/a: %i, value: 0x%8.8" PRIx32 ", mask: 0x%8.8" PRIx32 "",
2810 watchpoint->address,
2811 watchpoint->length,
2812 (int)(watchpoint->rw),
2813 watchpoint->value,
2814 watchpoint->mask);
2815 watchpoint = watchpoint->next;
2816 }
2817 return ERROR_OK;
2818 }
2819
2820 enum watchpoint_rw type = WPT_ACCESS;
2821 uint32_t addr = 0;
2822 uint32_t length = 0;
2823 uint32_t data_value = 0x0;
2824 uint32_t data_mask = 0xffffffff;
2825 int retval;
2826
2827 switch (argc)
2828 {
2829 case 5:
2830 retval = parse_u32(args[4], &data_mask);
2831 if (ERROR_OK != retval)
2832 return retval;
2833 // fall through
2834 case 4:
2835 retval = parse_u32(args[3], &data_value);
2836 if (ERROR_OK != retval)
2837 return retval;
2838 // fall through
2839 case 3:
2840 switch (args[2][0])
2841 {
2842 case 'r':
2843 type = WPT_READ;
2844 break;
2845 case 'w':
2846 type = WPT_WRITE;
2847 break;
2848 case 'a':
2849 type = WPT_ACCESS;
2850 break;
2851 default:
2852 LOG_ERROR("invalid watchpoint mode ('%c')", args[2][0]);
2853 return ERROR_COMMAND_SYNTAX_ERROR;
2854 }
2855 // fall through
2856 case 2:
2857 retval = parse_u32(args[1], &length);
2858 if (ERROR_OK != retval)
2859 return retval;
2860 retval = parse_u32(args[0], &addr);
2861 if (ERROR_OK != retval)
2862 return retval;
2863 break;
2864
2865 default:
2866 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2867 return ERROR_COMMAND_SYNTAX_ERROR;
2868 }
2869
2870 retval = watchpoint_add(target, addr, length, type,
2871 data_value, data_mask);
2872 if (ERROR_OK != retval)
2873 LOG_ERROR("Failure setting watchpoints");
2874
2875 return retval;
2876 }
2877
2878 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2879 {
2880 if (argc != 1)
2881 return ERROR_COMMAND_SYNTAX_ERROR;
2882
2883 uint32_t addr;
2884 int retval = parse_u32(args[0], &addr);
2885 if (ERROR_OK != retval)
2886 return retval;
2887
2888 target_t *target = get_current_target(cmd_ctx);
2889 watchpoint_remove(target, addr);
2890
2891 return ERROR_OK;
2892 }
2893
2894
2895 /**
2896 * Translate a virtual address to a physical address.
2897 *
2898 * The low-level target implementation must have logged a detailed error
2899 * which is forwarded to telnet/GDB session.
2900 */
2901 static int handle_virt2phys_command(command_context_t *cmd_ctx,
2902 char *cmd, char **args, int argc)
2903 {
2904 if (argc != 1)
2905 return ERROR_COMMAND_SYNTAX_ERROR;
2906
2907 uint32_t va;
2908 int retval = parse_u32(args[0], &va);
2909 if (ERROR_OK != retval)
2910 return retval;
2911 uint32_t pa;
2912
2913 target_t *target = get_current_target(cmd_ctx);
2914 retval = target->type->virt2phys(target, va, &pa);
2915 if (retval == ERROR_OK)
2916 command_print(cmd_ctx, "Physical address 0x%08" PRIx32 "", pa);
2917
2918 return retval;
2919 }
2920
2921 static void writeData(FILE *f, const void *data, size_t len)
2922 {
2923 size_t written = fwrite(data, 1, len, f);
2924 if (written != len)
2925 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
2926 }
2927
2928 static void writeLong(FILE *f, int l)
2929 {
2930 int i;
2931 for (i = 0; i < 4; i++)
2932 {
2933 char c = (l >> (i*8))&0xff;
2934 writeData(f, &c, 1);
2935 }
2936
2937 }
2938
2939 static void writeString(FILE *f, char *s)
2940 {
2941 writeData(f, s, strlen(s));
2942 }
2943
2944 /* Dump a gmon.out histogram file. */
2945 static void writeGmon(uint32_t *samples, uint32_t sampleNum, char *filename)
2946 {
2947 uint32_t i;
2948 FILE *f = fopen(filename, "w");
2949 if (f == NULL)
2950 return;
2951 writeString(f, "gmon");
2952 writeLong(f, 0x00000001); /* Version */
2953 writeLong(f, 0); /* padding */
2954 writeLong(f, 0); /* padding */
2955 writeLong(f, 0); /* padding */
2956
2957 uint8_t zero = 0; /* GMON_TAG_TIME_HIST */
2958 writeData(f, &zero, 1);
2959
2960 /* figure out bucket size */
2961 uint32_t min = samples[0];
2962 uint32_t max = samples[0];
2963 for (i = 0; i < sampleNum; i++)
2964 {
2965 if (min > samples[i])
2966 {
2967 min = samples[i];
2968 }
2969 if (max < samples[i])
2970 {
2971 max = samples[i];
2972 }
2973 }
2974
2975 int addressSpace = (max-min + 1);
2976
2977 static const uint32_t maxBuckets = 256 * 1024; /* maximum buckets. */
2978 uint32_t length = addressSpace;
2979 if (length > maxBuckets)
2980 {
2981 length = maxBuckets;
2982 }
2983 int *buckets = malloc(sizeof(int)*length);
2984 if (buckets == NULL)
2985 {
2986 fclose(f);
2987 return;
2988 }
2989 memset(buckets, 0, sizeof(int)*length);
2990 for (i = 0; i < sampleNum;i++)
2991 {
2992 uint32_t address = samples[i];
2993 long long a = address-min;
2994 long long b = length-1;
2995 long long c = addressSpace-1;
2996 int index = (a*b)/c; /* danger!!!! int32 overflows */
2997 buckets[index]++;
2998 }
2999
3000 /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
3001 writeLong(f, min); /* low_pc */
3002 writeLong(f, max); /* high_pc */
3003 writeLong(f, length); /* # of samples */
3004 writeLong(f, 64000000); /* 64MHz */
3005 writeString(f, "seconds");
3006 for (i = 0; i < (15-strlen("seconds")); i++)
3007 writeData(f, &zero, 1);
3008 writeString(f, "s");
3009
3010 /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
3011
3012 char *data = malloc(2*length);
3013 if (data != NULL)
3014 {
3015 for (i = 0; i < length;i++)
3016 {
3017 int val;
3018 val = buckets[i];
3019 if (val > 65535)
3020 {
3021 val = 65535;
3022 }
3023 data[i*2]=val&0xff;
3024 data[i*2 + 1]=(val >> 8)&0xff;
3025 }
3026 free(buckets);
3027 writeData(f, data, length * 2);
3028 free(data);
3029 } else
3030 {
3031 free(buckets);
3032 }
3033
3034 fclose(f);
3035 }
3036
3037 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
3038 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
3039 {
3040 target_t *target = get_current_target(cmd_ctx);
3041 struct timeval timeout, now;
3042
3043 gettimeofday(&timeout, NULL);
3044 if (argc != 2)
3045 {
3046 return ERROR_COMMAND_SYNTAX_ERROR;
3047 }
3048 unsigned offset;
3049 int retval = parse_uint(args[0], &offset);
3050 if (ERROR_OK != retval)
3051 return retval;
3052
3053 timeval_add_time(&timeout, offset, 0);
3054
3055 command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
3056
3057 static const int maxSample = 10000;
3058 uint32_t *samples = malloc(sizeof(uint32_t)*maxSample);
3059 if (samples == NULL)
3060 return ERROR_OK;
3061
3062 int numSamples = 0;
3063 /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
3064 reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
3065
3066 for (;;)
3067 {
3068 target_poll(target);
3069 if (target->state == TARGET_HALTED)
3070 {
3071 uint32_t t=*((uint32_t *)reg->value);
3072 samples[numSamples++]=t;
3073 retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3074 target_poll(target);
3075 alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
3076 } else if (target->state == TARGET_RUNNING)
3077 {
3078 /* We want to quickly sample the PC. */
3079 if ((retval = target_halt(target)) != ERROR_OK)
3080 {
3081 free(samples);
3082 return retval;
3083 }
3084 } else
3085 {
3086 command_print(cmd_ctx, "Target not halted or running");
3087 retval = ERROR_OK;
3088 break;
3089 }
3090 if (retval != ERROR_OK)
3091 {
3092 break;
3093 }
3094
3095 gettimeofday(&now, NULL);
3096 if ((numSamples >= maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
3097 {
3098 command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
3099 if ((retval = target_poll(target)) != ERROR_OK)
3100 {
3101 free(samples);
3102 return retval;
3103 }
3104 if (target->state == TARGET_HALTED)
3105 {
3106 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3107 }
3108 if ((retval = target_poll(target)) != ERROR_OK)
3109 {
3110 free(samples);
3111 return retval;
3112 }
3113 writeGmon(samples, numSamples, args[1]);
3114 command_print(cmd_ctx, "Wrote %s", args[1]);
3115 break;
3116 }
3117 }
3118 free(samples);
3119
3120 return ERROR_OK;
3121 }
3122
3123 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t val)
3124 {
3125 char *namebuf;
3126 Jim_Obj *nameObjPtr, *valObjPtr;
3127 int result;
3128
3129 namebuf = alloc_printf("%s(%d)", varname, idx);
3130 if (!namebuf)
3131 return JIM_ERR;
3132
3133 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3134 valObjPtr = Jim_NewIntObj(interp, val);
3135 if (!nameObjPtr || !valObjPtr)
3136 {
3137 free(namebuf);
3138 return JIM_ERR;
3139 }
3140
3141 Jim_IncrRefCount(nameObjPtr);
3142 Jim_IncrRefCount(valObjPtr);
3143 result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
3144 Jim_DecrRefCount(interp, nameObjPtr);
3145 Jim_DecrRefCount(interp, valObjPtr);
3146 free(namebuf);
3147 /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
3148 return result;
3149 }
3150
3151 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3152 {
3153 command_context_t *context;
3154 target_t *target;
3155
3156 context = Jim_GetAssocData(interp, "context");
3157 if (context == NULL)
3158 {
3159 LOG_ERROR("mem2array: no command context");
3160 return JIM_ERR;
3161 }
3162 target = get_current_target(context);
3163 if (target == NULL)
3164 {
3165 LOG_ERROR("mem2array: no current target");
3166 return JIM_ERR;
3167 }
3168
3169 return target_mem2array(interp, target, argc-1, argv + 1);
3170 }
3171
3172 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
3173 {
3174 long l;
3175 uint32_t width;
3176 int len;
3177 uint32_t addr;
3178 uint32_t count;
3179 uint32_t v;
3180 const char *varname;
3181 uint8_t buffer[4096];
3182 int n, e, retval;
3183 uint32_t i;
3184
3185 /* argv[1] = name of array to receive the data
3186 * argv[2] = desired width
3187 * argv[3] = memory address
3188 * argv[4] = count of times to read
3189 */
3190 if (argc != 4) {
3191 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3192 return JIM_ERR;
3193 }
3194 varname = Jim_GetString(argv[0], &len);
3195 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3196
3197 e = Jim_GetLong(interp, argv[1], &l);
3198 width = l;
3199 if (e != JIM_OK) {
3200 return e;
3201 }
3202
3203 e = Jim_GetLong(interp, argv[2], &l);
3204 addr = l;
3205 if (e != JIM_OK) {
3206 return e;
3207 }
3208 e = Jim_GetLong(interp, argv[3], &l);
3209 len = l;
3210 if (e != JIM_OK) {
3211 return e;
3212 }
3213 switch (width) {
3214 case 8:
3215 width = 1;
3216 break;
3217 case 16:
3218 width = 2;
3219 break;
3220 case 32:
3221 width = 4;
3222 break;
3223 default:
3224 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3225 Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3226 return JIM_ERR;
3227 }
3228 if (len == 0) {
3229 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3230 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
3231 return JIM_ERR;
3232 }
3233 if ((addr + (len * width)) < addr) {
3234 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3235 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
3236 return JIM_ERR;
3237 }
3238 /* absurd transfer size? */
3239 if (len > 65536) {
3240 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3241 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
3242 return JIM_ERR;
3243 }
3244
3245 if ((width == 1) ||
3246 ((width == 2) && ((addr & 1) == 0)) ||
3247 ((width == 4) && ((addr & 3) == 0))) {
3248 /* all is well */
3249 } else {
3250 char buf[100];
3251 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3252 sprintf(buf, "mem2array address: 0x%08" PRIx32 " is not aligned for %" PRId32 " byte reads",
3253 addr,
3254 width);
3255 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3256 return JIM_ERR;
3257 }
3258
3259 /* Transfer loop */
3260
3261 /* index counter */
3262 n = 0;
3263 /* assume ok */
3264 e = JIM_OK;
3265 while (len) {
3266 /* Slurp... in buffer size chunks */
3267
3268 count = len; /* in objects.. */
3269 if (count > (sizeof(buffer)/width)) {
3270 count = (sizeof(buffer)/width);
3271 }
3272
3273 retval = target_read_memory(target, addr, width, count, buffer);
3274 if (retval != ERROR_OK) {
3275 /* BOO !*/
3276 LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed",
3277 (unsigned int)addr,
3278 (int)width,
3279 (int)count);
3280 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3281 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
3282 e = JIM_ERR;
3283 len = 0;
3284 } else {
3285 v = 0; /* shut up gcc */
3286 for (i = 0 ;i < count ;i++, n++) {
3287 switch (width) {
3288 case 4:
3289 v = target_buffer_get_u32(target, &buffer[i*width]);
3290 break;
3291 case 2:
3292 v = target_buffer_get_u16(target, &buffer[i*width]);
3293 break;
3294 case 1:
3295 v = buffer[i] & 0x0ff;
3296 break;
3297 }
3298 new_int_array_element(interp, varname, n, v);
3299 }
3300 len -= count;
3301 }
3302 }
3303
3304 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3305
3306 return JIM_OK;
3307 }
3308
3309 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t *val)
3310 {
3311 char *namebuf;
3312 Jim_Obj *nameObjPtr, *valObjPtr;
3313 int result;
3314 long l;
3315
3316 namebuf = alloc_printf("%s(%d)", varname, idx);
3317 if (!namebuf)
3318 return JIM_ERR;
3319
3320 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3321 if (!nameObjPtr)
3322 {
3323 free(namebuf);
3324 return JIM_ERR;
3325 }
3326
3327 Jim_IncrRefCount(nameObjPtr);
3328 valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
3329 Jim_DecrRefCount(interp, nameObjPtr);
3330 free(namebuf);
3331 if (valObjPtr == NULL)
3332 return JIM_ERR;
3333
3334 result = Jim_GetLong(interp, valObjPtr, &l);
3335 /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
3336 *val = l;
3337 return result;
3338 }
3339
3340 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3341 {
3342 command_context_t *context;
3343 target_t *target;
3344
3345 context = Jim_GetAssocData(interp, "context");
3346 if (context == NULL) {
3347 LOG_ERROR("array2mem: no command context");
3348 return JIM_ERR;
3349 }
3350 target = get_current_target(context);
3351 if (target == NULL) {
3352 LOG_ERROR("array2mem: no current target");
3353 return JIM_ERR;
3354 }
3355
3356 return target_array2mem(interp,target, argc-1, argv + 1);
3357 }
3358
3359 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
3360 {
3361 long l;
3362 uint32_t width;
3363 int len;
3364 uint32_t addr;
3365 uint32_t count;
3366 uint32_t v;
3367 const char *varname;
3368 uint8_t buffer[4096];
3369 int n, e, retval;
3370 uint32_t i;
3371
3372 /* argv[1] = name of array to get the data
3373 * argv[2] = desired width
3374 * argv[3] = memory address
3375 * argv[4] = count to write
3376 */
3377 if (argc != 4) {
3378 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3379 return JIM_ERR;
3380 }
3381 varname = Jim_GetString(argv[0], &len);
3382 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3383
3384 e = Jim_GetLong(interp, argv[1], &l);
3385 width = l;
3386 if (e != JIM_OK) {
3387 return e;
3388 }
3389
3390 e = Jim_GetLong(interp, argv[2], &l);
3391 addr = l;
3392 if (e != JIM_OK) {
3393 return e;
3394 }
3395 e = Jim_GetLong(interp, argv[3], &l);
3396 len = l;
3397 if (e != JIM_OK) {
3398 return e;
3399 }
3400 switch (width) {
3401 case 8:
3402 width = 1;
3403 break;
3404 case 16:
3405 width = 2;
3406 break;
3407 case 32:
3408 width = 4;
3409 break;
3410 default:
3411 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3412 Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3413 return JIM_ERR;
3414 }
3415 if (len == 0) {
3416 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3417 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
3418 return JIM_ERR;
3419 }
3420 if ((addr + (len * width)) < addr) {
3421 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3422 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
3423 return JIM_ERR;
3424 }
3425 /* absurd transfer size? */
3426 if (len > 65536) {
3427 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3428 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
3429 return JIM_ERR;
3430 }
3431
3432 if ((width == 1) ||
3433 ((width == 2) && ((addr & 1) == 0)) ||
3434 ((width == 4) && ((addr & 3) == 0))) {
3435 /* all is well */
3436 } else {
3437 char buf[100];
3438 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3439 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads",
3440 (unsigned int)addr,
3441 (int)width);
3442 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3443 return JIM_ERR;
3444 }
3445
3446 /* Transfer loop */
3447
3448 /* index counter */
3449 n = 0;
3450 /* assume ok */
3451 e = JIM_OK;
3452 while (len) {
3453 /* Slurp... in buffer size chunks */
3454
3455 count = len; /* in objects.. */
3456 if (count > (sizeof(buffer)/width)) {
3457 count = (sizeof(buffer)/width);
3458 }
3459
3460 v = 0; /* shut up gcc */
3461 for (i = 0 ;i < count ;i++, n++) {
3462 get_int_array_element(interp, varname, n, &v);
3463 switch (width) {
3464 case 4:
3465 target_buffer_set_u32(target, &buffer[i*width], v);
3466 break;
3467 case 2:
3468 target_buffer_set_u16(target, &buffer[i*width], v);
3469 break;
3470 case 1:
3471 buffer[i] = v & 0x0ff;
3472 break;
3473 }
3474 }
3475 len -= count;
3476
3477 retval = target_write_memory(target, addr, width, count, buffer);
3478 if (retval != ERROR_OK) {
3479 /* BOO !*/
3480 LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed",
3481 (unsigned int)addr,
3482 (int)width,
3483 (int)count);
3484 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3485 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3486 e = JIM_ERR;
3487 len = 0;
3488 }
3489 }
3490
3491 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3492
3493 return JIM_OK;
3494 }
3495
3496 void target_all_handle_event(enum target_event e)
3497 {
3498 target_t *target;
3499
3500 LOG_DEBUG("**all*targets: event: %d, %s",
3501 (int)e,
3502 Jim_Nvp_value2name_simple(nvp_target_event, e)->name);
3503
3504 target = all_targets;
3505 while (target) {
3506 target_handle_event(target, e);
3507 target = target->next;
3508 }
3509 }
3510
3511
3512 /* FIX? should we propagate errors here rather than printing them
3513 * and continuing?
3514 */
3515 void target_handle_event(target_t *target, enum target_event e)
3516 {
3517 target_event_action_t *teap;
3518
3519 for (teap = target->event_action; teap != NULL; teap = teap->next) {
3520 if (teap->event == e) {
3521 LOG_DEBUG("target: (%d) %s (%s) event: %d (%s) action: %s",
3522 target->target_number,
3523 target->cmd_name,
3524 target_get_name(target),
3525 e,
3526 Jim_Nvp_value2name_simple(nvp_target_event, e)->name,
3527 Jim_GetString(teap->body, NULL));
3528 if (Jim_EvalObj(interp, teap->body) != JIM_OK)
3529 {
3530 Jim_PrintErrorMessage(interp);
3531 }
3532 }
3533 }
3534 }
3535
3536 enum target_cfg_param {
3537 TCFG_TYPE,
3538 TCFG_EVENT,
3539 TCFG_WORK_AREA_VIRT,
3540 TCFG_WORK_AREA_PHYS,
3541 TCFG_WORK_AREA_SIZE,
3542 TCFG_WORK_AREA_BACKUP,
3543 TCFG_ENDIAN,
3544 TCFG_VARIANT,
3545 TCFG_CHAIN_POSITION,
3546 };
3547
3548 static Jim_Nvp nvp_config_opts[] = {
3549 { .name = "-type", .value = TCFG_TYPE },
3550 { .name = "-event", .value = TCFG_EVENT },
3551 { .name = "-work-area-virt", .value = TCFG_WORK_AREA_VIRT },
3552 { .name = "-work-area-phys", .value = TCFG_WORK_AREA_PHYS },
3553 { .name = "-work-area-size", .value = TCFG_WORK_AREA_SIZE },
3554 { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3555 { .name = "-endian" , .value = TCFG_ENDIAN },
3556 { .name = "-variant", .value = TCFG_VARIANT },
3557 { .name = "-chain-position", .value = TCFG_CHAIN_POSITION },
3558
3559 { .name = NULL, .value = -1 }
3560 };
3561
3562 static int target_configure(Jim_GetOptInfo *goi, target_t *target)
3563 {
3564 Jim_Nvp *n;
3565 Jim_Obj *o;
3566 jim_wide w;
3567 char *cp;
3568 int e;
3569
3570 /* parse config or cget options ... */
3571 while (goi->argc > 0) {
3572 Jim_SetEmptyResult(goi->interp);
3573 /* Jim_GetOpt_Debug(goi); */
3574
3575 if (target->type->target_jim_configure) {
3576 /* target defines a configure function */
3577 /* target gets first dibs on parameters */
3578 e = (*(target->type->target_jim_configure))(target, goi);
3579 if (e == JIM_OK) {
3580 /* more? */
3581 continue;
3582 }
3583 if (e == JIM_ERR) {
3584 /* An error */
3585 return e;
3586 }
3587 /* otherwise we 'continue' below */
3588 }
3589 e = Jim_GetOpt_Nvp(goi, nvp_config_opts, &n);
3590 if (e != JIM_OK) {
3591 Jim_GetOpt_NvpUnknown(goi, nvp_config_opts, 0);
3592 return e;
3593 }
3594 switch (n->value) {
3595 case TCFG_TYPE:
3596 /* not setable */
3597 if (goi->isconfigure) {
3598 Jim_SetResult_sprintf(goi->interp, "not setable: %s", n->name);
3599 return JIM_ERR;
3600 } else {
3601 no_params:
3602 if (goi->argc != 0) {
3603 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "NO PARAMS");
3604 return JIM_ERR;
3605 }
3606 }
3607 Jim_SetResultString(goi->interp, target_get_name(target), -1);
3608 /* loop for more */
3609 break;
3610 case TCFG_EVENT:
3611 if (goi->argc == 0) {
3612 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3613 return JIM_ERR;
3614 }
3615
3616 e = Jim_GetOpt_Nvp(goi, nvp_target_event, &n);
3617 if (e != JIM_OK) {
3618 Jim_GetOpt_NvpUnknown(goi, nvp_target_event, 1);
3619 return e;
3620 }
3621
3622 if (goi->isconfigure) {
3623 if (goi->argc != 1) {
3624 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3625 return JIM_ERR;
3626 }
3627 } else {
3628 if (goi->argc != 0) {
3629 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3630 return JIM_ERR;
3631 }
3632 }
3633
3634 {
3635 target_event_action_t *teap;
3636
3637 teap = target->event_action;
3638 /* replace existing? */
3639 while (teap) {
3640 if (teap->event == (enum target_event)n->value) {
3641 break;
3642 }
3643 teap = teap->next;
3644 }
3645
3646 if (goi->isconfigure) {
3647 bool replace = true;
3648 if (teap == NULL) {
3649 /* create new */
3650 teap = calloc(1, sizeof(*teap));
3651 replace = false;
3652 }
3653 teap->event = n->value;
3654 Jim_GetOpt_Obj(goi, &o);
3655 if (teap->body) {
3656 Jim_DecrRefCount(interp, teap->body);
3657 }
3658 teap->body = Jim_DuplicateObj(goi->interp, o);
3659 /*
3660 * FIXME:
3661 * Tcl/TK - "tk events" have a nice feature.
3662 * See the "BIND" command.
3663 * We should support that here.
3664 * You can specify %X and %Y in the event code.
3665 * The idea is: %T - target name.
3666 * The idea is: %N - target number
3667 * The idea is: %E - event name.
3668 */
3669 Jim_IncrRefCount(teap->body);
3670
3671 if (!replace)
3672 {
3673 /* add to head of event list */
3674 teap->next = target->event_action;
3675 target->event_action = teap;
3676 }
3677 Jim_SetEmptyResult(goi->interp);
3678 } else {
3679 /* get */
3680 if (teap == NULL) {
3681 Jim_SetEmptyResult(goi->interp);
3682 } else {
3683 Jim_SetResult(goi->interp, Jim_DuplicateObj(goi->interp, teap->body));
3684 }
3685 }
3686 }
3687 /* loop for more */
3688 break;
3689
3690 case TCFG_WORK_AREA_VIRT:
3691 if (goi->isconfigure) {
3692 target_free_all_working_areas(target);
3693 e = Jim_GetOpt_Wide(goi, &w);
3694 if (e != JIM_OK) {
3695 return e;
3696 }
3697 target->working_area_virt = w;
3698 } else {
3699 if (goi->argc != 0) {
3700 goto no_params;
3701 }
3702 }
3703 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_virt));
3704 /* loop for more */
3705 break;
3706
3707 case TCFG_WORK_AREA_PHYS:
3708 if (goi->isconfigure) {
3709 target_free_all_working_areas(target);
3710 e = Jim_GetOpt_Wide(goi, &w);
3711 if (e != JIM_OK) {
3712 return e;
3713 }
3714 target->working_area_phys = w;
3715 } else {
3716 if (goi->argc != 0) {
3717 goto no_params;
3718 }
3719 }
3720 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_phys));
3721 /* loop for more */
3722 break;
3723
3724 case TCFG_WORK_AREA_SIZE:
3725 if (goi->isconfigure) {
3726 target_free_all_working_areas(target);
3727 e = Jim_GetOpt_Wide(goi, &w);
3728 if (e != JIM_OK) {
3729 return e;
3730 }
3731 target->working_area_size = w;
3732 } else {
3733 if (goi->argc != 0) {
3734 goto no_params;
3735 }
3736 }
3737 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_size));
3738 /* loop for more */
3739 break;
3740
3741 case TCFG_WORK_AREA_BACKUP:
3742 if (goi->isconfigure) {
3743 target_free_all_working_areas(target);
3744 e = Jim_GetOpt_Wide(goi, &w);
3745 if (e != JIM_OK) {
3746 return e;
3747 }
3748 /* make this exactly 1 or 0 */
3749 target->backup_working_area = (!!w);
3750 } else {
3751 if (goi->argc != 0) {
3752 goto no_params;
3753 }
3754 }
3755 Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->backup_working_area));
3756 /* loop for more e*/
3757 break;
3758
3759 case TCFG_ENDIAN:
3760 if (goi->isconfigure) {
3761 e = Jim_GetOpt_Nvp(goi, nvp_target_endian, &n);
3762 if (e != JIM_OK) {
3763 Jim_GetOpt_NvpUnknown(goi, nvp_target_endian, 1);
3764 return e;
3765 }
3766 target->endianness = n->value;
3767 } else {
3768 if (goi->argc != 0) {
3769 goto no_params;
3770 }
3771 }
3772 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
3773 if (n->name == NULL) {
3774 target->endianness = TARGET_LITTLE_ENDIAN;
3775 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
3776 }
3777 Jim_SetResultString(goi->interp, n->name, -1);
3778 /* loop for more */
3779 break;
3780
3781 case TCFG_VARIANT:
3782 if (goi->isconfigure) {
3783 if (goi->argc < 1) {
3784 Jim_SetResult_sprintf(goi->interp,
3785 "%s ?STRING?",
3786 n->name);
3787 return JIM_ERR;
3788 }
3789 if (target->variant) {
3790 free((void *)(target->variant));
3791 }
3792 e = Jim_GetOpt_String(goi, &cp, NULL);
3793 target->variant = strdup(cp);
3794 } else {
3795 if (goi->argc != 0) {
3796 goto no_params;
3797 }
3798 }
3799 Jim_SetResultString(goi->interp, target->variant,-1);
3800 /* loop for more */
3801 break;
3802 case TCFG_CHAIN_POSITION:
3803 if (goi->isconfigure) {
3804 Jim_Obj *o;
3805 jtag_tap_t *tap;
3806 target_free_all_working_areas(target);
3807 e = Jim_GetOpt_Obj(goi, &o);
3808 if (e != JIM_OK) {
3809 return e;
3810 }
3811 tap = jtag_tap_by_jim_obj(goi->interp, o);
3812 if (tap == NULL) {
3813 return JIM_ERR;
3814 }
3815 /* make this exactly 1 or 0 */
3816 target->tap = tap;
3817 } else {
3818 if (goi->argc != 0) {
3819 goto no_params;
3820 }
3821 }
3822 Jim_SetResultString(interp, target->tap->dotted_name, -1);
3823 /* loop for more e*/
3824 break;
3825 }
3826 } /* while (goi->argc) */
3827
3828
3829 /* done - we return */
3830 return JIM_OK;
3831 }
3832
3833 /** this is the 'tcl' handler for the target specific command */
3834 static int tcl_target_func(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3835 {
3836 Jim_GetOptInfo goi;
3837 jim_wide a,b,c;
3838 int x,y,z;
3839 uint8_t target_buf[32];
3840 Jim_Nvp *n;
3841 target_t *target;
3842 struct command_context_s *cmd_ctx;
3843 int e;
3844
3845 enum {
3846 TS_CMD_CONFIGURE,
3847 TS_CMD_CGET,
3848
3849 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3850 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3851 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3852 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3853 TS_CMD_EXAMINE,
3854 TS_CMD_POLL,
3855 TS_CMD_RESET,
3856 TS_CMD_HALT,
3857 TS_CMD_WAITSTATE,
3858 TS_CMD_EVENTLIST,
3859 TS_CMD_CURSTATE,
3860 TS_CMD_INVOKE_EVENT,
3861 };
3862
3863 static const Jim_Nvp target_options[] = {
3864 { .name = "configure", .value = TS_CMD_CONFIGURE },
3865 { .name = "cget", .value = TS_CMD_CGET },
3866 { .name = "mww", .value = TS_CMD_MWW },
3867 { .name = "mwh", .value = TS_CMD_MWH },
3868 { .name = "mwb", .value = TS_CMD_MWB },
3869 { .name = "mdw", .value = TS_CMD_MDW },
3870 { .name = "mdh", .value = TS_CMD_MDH },
3871 { .name = "mdb", .value = TS_CMD_MDB },
3872 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3873 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3874 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3875 { .name = "curstate", .value = TS_CMD_CURSTATE },
3876
3877 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3878 { .name = "arp_poll", .value = TS_CMD_POLL },
3879 { .name = "arp_reset", .value = TS_CMD_RESET },
3880 { .name = "arp_halt", .value = TS_CMD_HALT },
3881 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3882 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3883
3884 { .name = NULL, .value = -1 },
3885 };
3886
3887 /* go past the "command" */
3888 Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
3889
3890 target = Jim_CmdPrivData(goi.interp);
3891 cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3892
3893 /* commands here are in an NVP table */
3894 e = Jim_GetOpt_Nvp(&goi, target_options, &n);
3895 if (e != JIM_OK) {
3896 Jim_GetOpt_NvpUnknown(&goi, target_options, 0);
3897 return e;
3898 }
3899 /* Assume blank result */
3900 Jim_SetEmptyResult(goi.interp);
3901
3902 switch (n->value) {
3903 case TS_CMD_CONFIGURE:
3904 if (goi.argc < 2) {
3905 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3906 return JIM_ERR;
3907 }
3908 goi.isconfigure = 1;
3909 return target_configure(&goi, target);
3910 case TS_CMD_CGET:
3911 // some things take params
3912 if (goi.argc < 1) {
3913 Jim_WrongNumArgs(goi.interp, 0, goi.argv, "missing: ?-option?");
3914 return JIM_ERR;
3915 }
3916 goi.isconfigure = 0;
3917 return target_configure(&goi, target);
3918 break;
3919 case TS_CMD_MWW:
3920 case TS_CMD_MWH:
3921 case TS_CMD_MWB:
3922 /* argv[0] = cmd
3923 * argv[1] = address
3924 * argv[2] = data
3925 * argv[3] = optional count.
3926 */
3927
3928 if ((goi.argc == 2) || (goi.argc == 3)) {
3929 /* all is well */
3930 } else {
3931 mwx_error:
3932 Jim_SetResult_sprintf(goi.interp, "expected: %s ADDR DATA [COUNT]", n->name);
3933 return JIM_ERR;
3934 }
3935
3936 e = Jim_GetOpt_Wide(&goi, &a);
3937 if (e != JIM_OK) {
3938 goto mwx_error;
3939 }
3940
3941 e = Jim_GetOpt_Wide(&goi, &b);
3942 if (e != JIM_OK) {
3943 goto mwx_error;
3944 }
3945 if (goi.argc == 3) {
3946 e = Jim_GetOpt_Wide(&goi, &c);
3947 if (e != JIM_OK) {
3948 goto mwx_error;
3949 }
3950 } else {
3951 c = 1;
3952 }
3953
3954 switch (n->value) {
3955 case TS_CMD_MWW:
3956 target_buffer_set_u32(target, target_buf, b);
3957 b = 4;
3958 break;
3959 case TS_CMD_MWH:
3960 target_buffer_set_u16(target, target_buf, b);
3961 b = 2;
3962 break;
3963 case TS_CMD_MWB:
3964 target_buffer_set_u8(target, target_buf, b);
3965 b = 1;
3966 break;
3967 }
3968 for (x = 0 ; x < c ; x++) {
3969 e = target_write_memory(target, a, b, 1, target_buf);
3970 if (e != ERROR_OK) {
3971 Jim_SetResult_sprintf(interp, "Error writing @ 0x%08x: %d\n", (int)(a), e);
3972 return JIM_ERR;
3973 }
3974 /* b = width */
3975 a = a + b;
3976 }
3977 return JIM_OK;
3978 break;
3979
3980 /* display */
3981 case TS_CMD_MDW:
3982 case TS_CMD_MDH:
3983 case TS_CMD_MDB:
3984 /* argv[0] = command
3985 * argv[1] = address
3986 * argv[2] = optional count
3987 */
3988 if ((goi.argc == 2) || (goi.argc == 3)) {
3989 Jim_SetResult_sprintf(goi.interp, "expected: %s ADDR [COUNT]", n->name);
3990 return JIM_ERR;
3991 }
3992 e = Jim_GetOpt_Wide(&goi, &a);
3993 if (e != JIM_OK) {
3994 return JIM_ERR;
3995 }
3996 if (goi.argc) {
3997 e = Jim_GetOpt_Wide(&goi, &c);
3998 if (e != JIM_OK) {
3999 return JIM_ERR;
4000 }
4001 } else {
4002 c = 1;
4003 }
4004 b = 1; /* shut up gcc */
4005 switch (n->value) {
4006 case TS_CMD_MDW:
4007 b = 4;
4008 break;
4009 case TS_CMD_MDH:
4010 b = 2;
4011 break;
4012 case TS_CMD_MDB:
4013 b = 1;
4014 break;
4015 }
4016
4017 /* convert to "bytes" */
4018 c = c * b;
4019 /* count is now in 'BYTES' */
4020 while (c > 0) {
4021 y = c;
4022 if (y > 16) {
4023 y = 16;
4024 }
4025 e = target_read_memory(target, a, b, y / b, target_buf);
4026 if (e != ERROR_OK) {
4027 Jim_SetResult_sprintf(interp, "error reading target @ 0x%08lx", (int)(a));
4028 return JIM_ERR;
4029 }
4030
4031 Jim_fprintf(interp, interp->cookie_stdout, "0x%08x ", (int)(a));
4032 switch (b) {
4033 case 4:
4034 for (x = 0 ; (x < 16) && (x < y) ; x += 4) {
4035 z = target_buffer_get_u32(target, &(target_buf[ x * 4 ]));
4036 Jim_fprintf(interp, interp->cookie_stdout, "%08x ", (int)(z));
4037 }
4038 for (; (x < 16) ; x += 4) {
4039 Jim_fprintf(interp, interp->cookie_stdout, " ");
4040 }
4041 break;
4042 case 2:
4043 for (x = 0 ; (x < 16) && (x < y) ; x += 2) {
4044 z = target_buffer_get_u16(target, &(target_buf[ x * 2 ]));
4045 Jim_fprintf(interp, interp->cookie_stdout, "%04x ", (int)(z));
4046 }
4047 for (; (x < 16) ; x += 2) {
4048 Jim_fprintf(interp, interp->cookie_stdout, " ");
4049 }
4050 break;
4051 case 1:
4052 default:
4053 for (x = 0 ; (x < 16) && (x < y) ; x += 1) {
4054 z = target_buffer_get_u8(target, &(target_buf[ x * 4 ]));
4055 Jim_fprintf(interp, interp->cookie_stdout, "%02x ", (int)(z));
4056 }
4057 for (; (x < 16) ; x += 1) {
4058 Jim_fprintf(interp, interp->cookie_stdout, " ");
4059 }
4060 break;
4061 }
4062 /* ascii-ify the bytes */
4063 for (x = 0 ; x < y ; x++) {
4064 if ((target_buf[x] >= 0x20) &&
4065 (target_buf[x] <= 0x7e)) {
4066 /* good */
4067 } else {
4068 /* smack it */
4069 target_buf[x] = '.';
4070 }
4071 }
4072 /* space pad */
4073 while (x < 16) {
4074 target_buf[x] = ' ';
4075 x++;
4076 }
4077 /* terminate */
4078 target_buf[16] = 0;
4079 /* print - with a newline */
4080 Jim_fprintf(interp, interp->cookie_stdout, "%s\n", target_buf);
4081 /* NEXT... */
4082 c -= 16;
4083 a += 16;
4084 }
4085 return JIM_OK;
4086 case TS_CMD_MEM2ARRAY:
4087 return target_mem2array(goi.interp, target, goi.argc, goi.argv);
4088 break;
4089 case TS_CMD_ARRAY2MEM:
4090 return target_array2mem(goi.interp, target, goi.argc, goi.argv);
4091 break;
4092 case TS_CMD_EXAMINE:
4093 if (goi.argc) {
4094 Jim_WrongNumArgs(goi.interp, 2, argv, "[no parameters]");
4095 return JIM_ERR;
4096 }
4097 if (!target->tap->enabled)
4098 goto err_tap_disabled;
4099 e = target->type->examine(target);
4100 if (e != ERROR_OK) {
4101 Jim_SetResult_sprintf(interp, "examine-fails: %d", e);
4102 return JIM_ERR;
4103 }
4104 return JIM_OK;
4105 case TS_CMD_POLL:
4106 if (goi.argc) {
4107 Jim_WrongNumArgs(goi.interp, 2, argv, "[no parameters]");
4108 return JIM_ERR;
4109 }
4110 if (!target->tap->enabled)
4111 goto err_tap_disabled;
4112 if (!(target_was_examined(target))) {
4113 e = ERROR_TARGET_NOT_EXAMINED;
4114 } else {
4115 e = target->type->poll(target);
4116 }
4117 if (e != ERROR_OK) {
4118 Jim_SetResult_sprintf(interp, "poll-fails: %d", e);
4119 return JIM_ERR;
4120 } else {
4121 return JIM_OK;
4122 }
4123 break;
4124 case TS_CMD_RESET:
4125 if (goi.argc != 2) {
4126 Jim_WrongNumArgs(interp, 2, argv,
4127 "([tT]|[fF]|assert|deassert) BOOL");
4128 return JIM_ERR;
4129 }
4130 e = Jim_GetOpt_Nvp(&goi, nvp_assert, &n);
4131 if (e != JIM_OK) {
4132 Jim_GetOpt_NvpUnknown(&goi, nvp_assert, 1);
4133 return e;
4134 }
4135 /* the halt or not param */
4136 e = Jim_GetOpt_Wide(&goi, &a);
4137 if (e != JIM_OK) {
4138 return e;
4139 }
4140 if (!target->tap->enabled)
4141 goto err_tap_disabled;
4142 if (!target->type->assert_reset
4143 || !target->type->deassert_reset) {
4144 Jim_SetResult_sprintf(interp,
4145 "No target-specific reset for %s",
4146 target->cmd_name);
4147 return JIM_ERR;
4148 }
4149 /* determine if we should halt or not. */
4150 target->reset_halt = !!a;
4151 /* When this happens - all workareas are invalid. */
4152 target_free_all_working_areas_restore(target, 0);
4153
4154 /* do the assert */
4155 if (n->value == NVP_ASSERT) {
4156 e = target->type->assert_reset(target);
4157 } else {
4158 e = target->type->deassert_reset(target);
4159 }
4160 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4161 case TS_CMD_HALT:
4162 if (goi.argc) {
4163 Jim_WrongNumArgs(goi.interp, 0, argv, "halt [no parameters]");
4164 return JIM_ERR;
4165 }
4166 if (!target->tap->enabled)
4167 goto err_tap_disabled;
4168 e = target->type->halt(target);
4169 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4170 case TS_CMD_WAITSTATE:
4171 /* params: <name> statename timeoutmsecs */
4172 if (goi.argc != 2) {
4173 Jim_SetResult_sprintf(goi.interp, "%s STATENAME TIMEOUTMSECS", n->name);
4174 return JIM_ERR;
4175 }
4176 e = Jim_GetOpt_Nvp(&goi, nvp_target_state, &n);
4177 if (e != JIM_OK) {
4178 Jim_GetOpt_NvpUnknown(&goi, nvp_target_state,1);
4179 return e;
4180 }
4181 e = Jim_GetOpt_Wide(&goi, &a);
4182 if (e != JIM_OK) {
4183 return e;
4184 }
4185 if (!target->tap->enabled)
4186 goto err_tap_disabled;
4187 e = target_wait_state(target, n->value, a);
4188 if (e != ERROR_OK) {
4189 Jim_SetResult_sprintf(goi.interp,
4190 "target: %s wait %s fails (%d) %s",
4191 target->cmd_name,
4192 n->name,
4193 e, target_strerror_safe(e));
4194 return JIM_ERR;
4195 } else {
4196 return JIM_OK;
4197 }
4198 case TS_CMD_EVENTLIST:
4199 /* List for human, Events defined for this target.
4200 * scripts/programs should use 'name cget -event NAME'
4201 */
4202 {
4203 target_event_action_t *teap;
4204 teap = target->event_action;
4205 command_print(cmd_ctx, "Event actions for target (%d) %s\n",
4206 target->target_number,
4207 target->cmd_name);
4208 command_print(cmd_ctx, "%-25s | Body", "Event");
4209 command_print(cmd_ctx, "------------------------- | ----------------------------------------");
4210 while (teap) {
4211 command_print(cmd_ctx,
4212 "%-25s | %s",
4213 Jim_Nvp_value2name_simple(nvp_target_event, teap->event)->name,
4214 Jim_GetString(teap->body, NULL));
4215 teap = teap->next;
4216 }
4217 command_print(cmd_ctx, "***END***");
4218 return JIM_OK;
4219 }
4220 case TS_CMD_CURSTATE:
4221 if (goi.argc != 0) {
4222 Jim_WrongNumArgs(goi.interp, 0, argv, "[no parameters]");
4223 return JIM_ERR;
4224 }
4225 Jim_SetResultString(goi.interp,
4226 target_state_name( target ),
4227 -1);
4228 return JIM_OK;
4229 case TS_CMD_INVOKE_EVENT:
4230 if (goi.argc != 1) {
4231 Jim_SetResult_sprintf(goi.interp, "%s ?EVENTNAME?",n->name);
4232 return JIM_ERR;
4233 }
4234 e = Jim_GetOpt_Nvp(&goi, nvp_target_event, &n);
4235 if (e != JIM_OK) {
4236 Jim_GetOpt_NvpUnknown(&goi, nvp_target_event, 1);
4237 return e;
4238 }
4239 target_handle_event(target, n->value);
4240 return JIM_OK;
4241 }
4242 return JIM_ERR;
4243
4244 err_tap_disabled:
4245 Jim_SetResult_sprintf(interp, "[TAP is disabled]");
4246 return JIM_ERR;
4247 }
4248
4249 static int target_create(Jim_GetOptInfo *goi)
4250 {
4251 Jim_Obj *new_cmd;
4252 Jim_Cmd *cmd;
4253 const char *cp;
4254 char *cp2;
4255 int e;
4256 int x;
4257 target_t *target;
4258 struct command_context_s *cmd_ctx;
4259
4260 cmd_ctx = Jim_GetAssocData(goi->interp, "context");
4261 if (goi->argc < 3) {
4262 Jim_WrongNumArgs(goi->interp, 1, goi->argv, "?name? ?type? ..options...");
4263 return JIM_ERR;
4264 }
4265
4266 /* COMMAND */
4267 Jim_GetOpt_Obj(goi, &new_cmd);
4268 /* does this command exist? */
4269 cmd = Jim_GetCommand(goi->interp, new_cmd, JIM_ERRMSG);
4270 if (cmd) {
4271 cp = Jim_GetString(new_cmd, NULL);
4272 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
4273 return JIM_ERR;
4274 }
4275
4276 /* TYPE */
4277 e = Jim_GetOpt_String(goi, &cp2, NULL);
4278 cp = cp2;
4279 /* now does target type exist */
4280 for (x = 0 ; target_types[x] ; x++) {
4281 if (0 == strcmp(cp, target_types[x]->name)) {
4282 /* found */
4283 break;
4284 }
4285 }
4286 if (target_types[x] == NULL) {
4287 Jim_SetResult_sprintf(goi->interp, "Unknown target type %s, try one of ", cp);
4288 for (x = 0 ; target_types[x] ; x++) {
4289 if (target_types[x + 1]) {
4290 Jim_AppendStrings(goi->interp,
4291 Jim_GetResult(goi->interp),
4292 target_types[x]->name,
4293 ", ", NULL);
4294 } else {
4295 Jim_AppendStrings(goi->interp,
4296 Jim_GetResult(goi->interp),
4297 " or ",
4298 target_types[x]->name,NULL);
4299 }
4300 }
4301 return JIM_ERR;
4302 }
4303
4304 /* Create it */
4305 target = calloc(1,sizeof(target_t));
4306 /* set target number */
4307 target->target_number = new_target_number();
4308
4309 /* allocate memory for each unique target type */
4310 target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
4311
4312 memcpy(target->type, target_types[x], sizeof(target_type_t));
4313
4314 /* will be set by "-endian" */
4315 target->endianness = TARGET_ENDIAN_UNKNOWN;
4316
4317 target->working_area = 0x0;
4318 target->working_area_size = 0x0;
4319 target->working_areas = NULL;
4320 target->backup_working_area = 0;
4321
4322 target->state = TARGET_UNKNOWN;
4323 target->debug_reason = DBG_REASON_UNDEFINED;
4324 target->reg_cache = NULL;
4325 target->breakpoints = NULL;
4326 target->watchpoints = NULL;
4327 target->next = NULL;
4328 target->arch_info = NULL;
4329
4330 target->display = 1;
4331
4332 target->halt_issued = false;
4333
4334 /* initialize trace information */
4335 target->trace_info = malloc(sizeof(trace_t));
4336 target->trace_info->num_trace_points = 0;
4337 target->trace_info->trace_points_size = 0;
4338 target->trace_info->trace_points = NULL;
4339 target->trace_info->trace_history_size = 0;
4340 target->trace_info->trace_history = NULL;
4341 target->trace_info->trace_history_pos = 0;
4342 target->trace_info->trace_history_overflowed = 0;
4343
4344 target->dbgmsg = NULL;
4345 target->dbg_msg_enabled = 0;
4346
4347 target->endianness = TARGET_ENDIAN_UNKNOWN;
4348
4349 /* Do the rest as "configure" options */
4350 goi->isconfigure = 1;
4351 e = target_configure(goi, target);
4352
4353 if (target->tap == NULL)
4354 {
4355 Jim_SetResultString(interp, "-chain-position required when creating target", -1);
4356 e = JIM_ERR;
4357 }
4358
4359 if (e != JIM_OK) {
4360 free(target->type);
4361 free(target);
4362 return e;
4363 }
4364
4365 if (target->endianness == TARGET_ENDIAN_UNKNOWN) {
4366 /* default endian to little if not specified */
4367 target->endianness = TARGET_LITTLE_ENDIAN;
4368 }
4369
4370 /* incase variant is not set */
4371 if (!target->variant)
4372 target->variant = strdup("");
4373
4374 /* create the target specific commands */
4375 if (target->type->register_commands) {
4376 (*(target->type->register_commands))(cmd_ctx);
4377 }
4378 if (target->type->target_create) {
4379 (*(target->type->target_create))(target, goi->interp);
4380 }
4381
4382 /* append to end of list */
4383 {
4384 target_t **tpp;
4385 tpp = &(all_targets);
4386 while (*tpp) {
4387 tpp = &((*tpp)->next);
4388 }
4389 *tpp = target;
4390 }
4391
4392 cp = Jim_GetString(new_cmd, NULL);
4393 target->cmd_name = strdup(cp);
4394
4395 /* now - create the new target name command */
4396 e = Jim_CreateCommand(goi->interp,
4397 /* name */
4398 cp,
4399 tcl_target_func, /* C function */
4400 target, /* private data */
4401 NULL); /* no del proc */
4402
4403 return e;
4404 }
4405
4406 static int jim_target(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4407 {
4408 int x,r,e;
4409 jim_wide w;
4410 struct command_context_s *cmd_ctx;
4411 target_t *target;
4412 Jim_GetOptInfo goi;
4413 enum tcmd {
4414 /* TG = target generic */
4415 TG_CMD_CREATE,
4416 TG_CMD_TYPES,
4417 TG_CMD_NAMES,
4418 TG_CMD_CURRENT,
4419 TG_CMD_NUMBER,
4420 TG_CMD_COUNT,
4421 };
4422 const char *target_cmds[] = {
4423 "create", "types", "names", "current", "number",
4424 "count",
4425 NULL /* terminate */
4426 };
4427
4428 LOG_DEBUG("Target command params:");
4429 LOG_DEBUG("%s", Jim_Debug_ArgvString(interp, argc, argv));
4430
4431 cmd_ctx = Jim_GetAssocData(interp, "context");
4432
4433 Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
4434
4435 if (goi.argc == 0) {
4436 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
4437 return JIM_ERR;
4438 }
4439
4440 /* Jim_GetOpt_Debug(&goi); */
4441 r = Jim_GetOpt_Enum(&goi, target_cmds, &x);
4442 if (r != JIM_OK) {
4443 return r;
4444 }
4445
4446 switch (x) {
4447 default:
4448 Jim_Panic(goi.interp,"Why am I here?");
4449 return JIM_ERR;
4450 case TG_CMD_CURRENT:
4451 if (goi.argc != 0) {
4452 Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4453 return JIM_ERR;
4454 }
4455 Jim_SetResultString(goi.interp, get_current_target(cmd_ctx)->cmd_name, -1);
4456 return JIM_OK;
4457 case TG_CMD_TYPES:
4458 if (goi.argc != 0) {
4459 Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4460 return JIM_ERR;
4461 }
4462 Jim_SetResult(goi.interp, Jim_NewListObj(goi.interp, NULL, 0));
4463 for (x = 0 ; target_types[x] ; x++) {
4464 Jim_ListAppendElement(goi.interp,
4465 Jim_GetResult(goi.interp),
4466 Jim_NewStringObj(goi.interp, target_types[x]->name, -1));
4467 }
4468 return JIM_OK;
4469 case TG_CMD_NAMES:
4470 if (goi.argc != 0) {
4471 Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4472 return JIM_ERR;
4473 }
4474 Jim_SetResult(goi.interp, Jim_NewListObj(goi.interp, NULL, 0));
4475 target = all_targets;
4476 while (target) {
4477 Jim_ListAppendElement(goi.interp,
4478 Jim_GetResult(goi.interp),
4479 Jim_NewStringObj(goi.interp, target->cmd_name, -1));
4480 target = target->next;
4481 }
4482 return JIM_OK;
4483 case TG_CMD_CREATE:
4484 if (goi.argc < 3) {
4485 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv, "?name ... config options ...");
4486 return JIM_ERR;
4487 }
4488 return target_create(&goi);
4489 break;
4490 case TG_CMD_NUMBER:
4491 /* It's OK to remove this mechanism sometime after August 2010 or so */
4492 LOG_WARNING("don't use numbers as target identifiers; use names");
4493 if (goi.argc != 1) {
4494 Jim_SetResult_sprintf(goi.interp, "expected: target number ?NUMBER?");
4495 return JIM_ERR;
4496 }
4497 e = Jim_GetOpt_Wide(&goi, &w);
4498 if (e != JIM_OK) {
4499 return JIM_ERR;
4500 }
4501 for (x = 0, target = all_targets; target; target = target->next, x++) {
4502 if (target->target_number == w)
4503 break;
4504 }
4505 if (target == NULL) {
4506 Jim_SetResult_sprintf(goi.interp,
4507 "Target: number %d does not exist", (int)(w));
4508 return JIM_ERR;
4509 }
4510 Jim_SetResultString(goi.interp, target->cmd_name, -1);
4511 return JIM_OK;
4512 case TG_CMD_COUNT:
4513 if (goi.argc != 0) {
4514 Jim_WrongNumArgs(goi.interp, 0, goi.argv, "<no parameters>");
4515 return JIM_ERR;
4516 }
4517 for (x = 0, target = all_targets; target; target = target->next, x++)
4518 continue;
4519 Jim_SetResult(goi.interp, Jim_NewIntObj(goi.interp, x));
4520 return JIM_OK;
4521 }
4522
4523 return JIM_ERR;
4524 }
4525
4526
4527 struct FastLoad
4528 {
4529 uint32_t address;
4530 uint8_t *data;
4531 int length;
4532
4533 };
4534
4535 static int fastload_num;
4536 static struct FastLoad *fastload;
4537
4538 static void free_fastload(void)
4539 {
4540 if (fastload != NULL)
4541 {
4542 int i;
4543 for (i = 0; i < fastload_num; i++)
4544 {
4545 if (fastload[i].data)
4546 free(fastload[i].data);
4547 }
4548 free(fastload);
4549 fastload = NULL;
4550 }
4551 }
4552
4553
4554
4555
4556 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4557 {
4558 uint8_t *buffer;
4559 uint32_t buf_cnt;
4560 uint32_t image_size;
4561 uint32_t min_address = 0;
4562 uint32_t max_address = 0xffffffff;
4563 int i;
4564
4565 image_t image;
4566
4567 duration_t duration;
4568 char *duration_text;
4569
4570 int retval = parse_load_image_command_args(args, argc,
4571 &image, &min_address, &max_address);
4572 if (ERROR_OK != retval)
4573 return retval;
4574
4575 duration_start_measure(&duration);
4576
4577 if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
4578 {
4579 return ERROR_OK;
4580 }
4581
4582 image_size = 0x0;
4583 retval = ERROR_OK;
4584 fastload_num = image.num_sections;
4585 fastload = (struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
4586 if (fastload == NULL)
4587 {
4588 image_close(&image);
4589 return ERROR_FAIL;
4590 }
4591 memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
4592 for (i = 0; i < image.num_sections; i++)
4593 {
4594 buffer = malloc(image.sections[i].size);
4595 if (buffer == NULL)
4596 {
4597 command_print(cmd_ctx, "error allocating buffer for section (%d bytes)",
4598 (int)(image.sections[i].size));
4599 break;
4600 }
4601
4602 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
4603 {
4604 free(buffer);
4605 break;
4606 }
4607
4608 uint32_t offset = 0;
4609 uint32_t length = buf_cnt;
4610
4611
4612 /* DANGER!!! beware of unsigned comparision here!!! */
4613
4614 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
4615 (image.sections[i].base_address < max_address))
4616 {
4617 if (image.sections[i].base_address < min_address)
4618 {
4619 /* clip addresses below */
4620 offset += min_address-image.sections[i].base_address;
4621 length -= offset;
4622 }
4623
4624 if (image.sections[i].base_address + buf_cnt > max_address)
4625 {
4626 length -= (image.sections[i].base_address + buf_cnt)-max_address;
4627 }
4628
4629 fastload[i].address = image.sections[i].base_address + offset;
4630 fastload[i].data = malloc(length);
4631 if (fastload[i].data == NULL)
4632 {
4633 free(buffer);
4634 break;
4635 }
4636 memcpy(fastload[i].data, buffer + offset, length);
4637 fastload[i].length = length;
4638
4639 image_size += length;
4640 command_print(cmd_ctx, "%u bytes written at address 0x%8.8x",
4641 (unsigned int)length,
4642 ((unsigned int)(image.sections[i].base_address + offset)));
4643 }
4644
4645 free(buffer);
4646 }
4647
4648 duration_stop_measure(&duration, &duration_text);
4649 if (retval == ERROR_OK)
4650 {
4651 command_print(cmd_ctx, "Loaded %u bytes in %s", (unsigned int)image_size, duration_text);
4652 command_print(cmd_ctx, "NB!!! image has not been loaded to target, issue a subsequent 'fast_load' to do so.");
4653 }
4654 free(duration_text);
4655
4656 image_close(&image);
4657
4658 if (retval != ERROR_OK)
4659 {
4660 free_fastload();
4661 }
4662
4663 return retval;
4664 }
4665
4666 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4667 {
4668 if (argc > 0)
4669 return ERROR_COMMAND_SYNTAX_ERROR;
4670 if (fastload == NULL)
4671 {
4672 LOG_ERROR("No image in memory");
4673 return ERROR_FAIL;
4674 }
4675 int i;
4676 int ms = timeval_ms();
4677 int size = 0;
4678 int retval = ERROR_OK;
4679 for (i = 0; i < fastload_num;i++)
4680 {
4681 target_t *target = get_current_target(cmd_ctx);
4682 command_print(cmd_ctx, "Write to 0x%08x, length 0x%08x",
4683 (unsigned int)(fastload[i].address),
4684 (unsigned int)(fastload[i].length));
4685 if (retval == ERROR_OK)
4686 {
4687 retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
4688 }
4689 size += fastload[i].length;
4690 }
4691 int after = timeval_ms();
4692 command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
4693 return retval;
4694 }
4695
4696
4697 /*
4698 * Local Variables:
4699 * c-basic-offset: 4
4700 * tab-width: 4
4701 * End:
4702 */
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