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target: Examine subsequent targets after failure
[openocd.git] / src / target / target.c
1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
4 * *
5 * Copyright (C) 2007-2010 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 * Copyright (C) 2011 by Broadcom Corporation *
18 * Evan Hunter - ehunter@broadcom.com *
19 * *
20 * Copyright (C) ST-Ericsson SA 2011 *
21 * michel.jaouen@stericsson.com : smp minimum support *
22 * *
23 * Copyright (C) 2011 Andreas Fritiofson *
24 * andreas.fritiofson@gmail.com *
25 * *
26 * This program is free software; you can redistribute it and/or modify *
27 * it under the terms of the GNU General Public License as published by *
28 * the Free Software Foundation; either version 2 of the License, or *
29 * (at your option) any later version. *
30 * *
31 * This program is distributed in the hope that it will be useful, *
32 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
33 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
34 * GNU General Public License for more details. *
35 * *
36 * You should have received a copy of the GNU General Public License *
37 * along with this program. If not, see <http://www.gnu.org/licenses/>. *
38 ***************************************************************************/
39
40 #ifdef HAVE_CONFIG_H
41 #include "config.h"
42 #endif
43
44 #include <helper/time_support.h>
45 #include <jtag/jtag.h>
46 #include <flash/nor/core.h>
47
48 #include "target.h"
49 #include "target_type.h"
50 #include "target_request.h"
51 #include "breakpoints.h"
52 #include "register.h"
53 #include "trace.h"
54 #include "image.h"
55 #include "rtos/rtos.h"
56 #include "transport/transport.h"
57 #include "arm_cti.h"
58
59 /* default halt wait timeout (ms) */
60 #define DEFAULT_HALT_TIMEOUT 5000
61
62 static int target_read_buffer_default(struct target *target, target_addr_t address,
63 uint32_t count, uint8_t *buffer);
64 static int target_write_buffer_default(struct target *target, target_addr_t address,
65 uint32_t count, const uint8_t *buffer);
66 static int target_array2mem(Jim_Interp *interp, struct target *target,
67 int argc, Jim_Obj * const *argv);
68 static int target_mem2array(Jim_Interp *interp, struct target *target,
69 int argc, Jim_Obj * const *argv);
70 static int target_register_user_commands(struct command_context *cmd_ctx);
71 static int target_get_gdb_fileio_info_default(struct target *target,
72 struct gdb_fileio_info *fileio_info);
73 static int target_gdb_fileio_end_default(struct target *target, int retcode,
74 int fileio_errno, bool ctrl_c);
75
76 /* targets */
77 extern struct target_type arm7tdmi_target;
78 extern struct target_type arm720t_target;
79 extern struct target_type arm9tdmi_target;
80 extern struct target_type arm920t_target;
81 extern struct target_type arm966e_target;
82 extern struct target_type arm946e_target;
83 extern struct target_type arm926ejs_target;
84 extern struct target_type fa526_target;
85 extern struct target_type feroceon_target;
86 extern struct target_type dragonite_target;
87 extern struct target_type xscale_target;
88 extern struct target_type cortexm_target;
89 extern struct target_type cortexa_target;
90 extern struct target_type aarch64_target;
91 extern struct target_type cortexr4_target;
92 extern struct target_type arm11_target;
93 extern struct target_type ls1_sap_target;
94 extern struct target_type mips_m4k_target;
95 extern struct target_type mips_mips64_target;
96 extern struct target_type avr_target;
97 extern struct target_type dsp563xx_target;
98 extern struct target_type dsp5680xx_target;
99 extern struct target_type testee_target;
100 extern struct target_type avr32_ap7k_target;
101 extern struct target_type hla_target;
102 extern struct target_type nds32_v2_target;
103 extern struct target_type nds32_v3_target;
104 extern struct target_type nds32_v3m_target;
105 extern struct target_type or1k_target;
106 extern struct target_type quark_x10xx_target;
107 extern struct target_type quark_d20xx_target;
108 extern struct target_type stm8_target;
109 extern struct target_type riscv_target;
110 extern struct target_type mem_ap_target;
111 extern struct target_type esirisc_target;
112 extern struct target_type arcv2_target;
113
114 static struct target_type *target_types[] = {
115 &arm7tdmi_target,
116 &arm9tdmi_target,
117 &arm920t_target,
118 &arm720t_target,
119 &arm966e_target,
120 &arm946e_target,
121 &arm926ejs_target,
122 &fa526_target,
123 &feroceon_target,
124 &dragonite_target,
125 &xscale_target,
126 &cortexm_target,
127 &cortexa_target,
128 &cortexr4_target,
129 &arm11_target,
130 &ls1_sap_target,
131 &mips_m4k_target,
132 &avr_target,
133 &dsp563xx_target,
134 &dsp5680xx_target,
135 &testee_target,
136 &avr32_ap7k_target,
137 &hla_target,
138 &nds32_v2_target,
139 &nds32_v3_target,
140 &nds32_v3m_target,
141 &or1k_target,
142 &quark_x10xx_target,
143 &quark_d20xx_target,
144 &stm8_target,
145 &riscv_target,
146 &mem_ap_target,
147 &esirisc_target,
148 &arcv2_target,
149 &aarch64_target,
150 &mips_mips64_target,
151 NULL,
152 };
153
154 struct target *all_targets;
155 static struct target_event_callback *target_event_callbacks;
156 static struct target_timer_callback *target_timer_callbacks;
157 static LIST_HEAD(target_reset_callback_list);
158 static LIST_HEAD(target_trace_callback_list);
159 static const int polling_interval = 100;
160
161 static const Jim_Nvp nvp_assert[] = {
162 { .name = "assert", NVP_ASSERT },
163 { .name = "deassert", NVP_DEASSERT },
164 { .name = "T", NVP_ASSERT },
165 { .name = "F", NVP_DEASSERT },
166 { .name = "t", NVP_ASSERT },
167 { .name = "f", NVP_DEASSERT },
168 { .name = NULL, .value = -1 }
169 };
170
171 static const Jim_Nvp nvp_error_target[] = {
172 { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
173 { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
174 { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
175 { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
176 { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
177 { .value = ERROR_TARGET_UNALIGNED_ACCESS, .name = "err-unaligned-access" },
178 { .value = ERROR_TARGET_DATA_ABORT, .name = "err-data-abort" },
179 { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE, .name = "err-resource-not-available" },
180 { .value = ERROR_TARGET_TRANSLATION_FAULT, .name = "err-translation-fault" },
181 { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
182 { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
183 { .value = -1, .name = NULL }
184 };
185
186 static const char *target_strerror_safe(int err)
187 {
188 const Jim_Nvp *n;
189
190 n = Jim_Nvp_value2name_simple(nvp_error_target, err);
191 if (n->name == NULL)
192 return "unknown";
193 else
194 return n->name;
195 }
196
197 static const Jim_Nvp nvp_target_event[] = {
198
199 { .value = TARGET_EVENT_GDB_HALT, .name = "gdb-halt" },
200 { .value = TARGET_EVENT_HALTED, .name = "halted" },
201 { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
202 { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
203 { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
204 { .value = TARGET_EVENT_STEP_START, .name = "step-start" },
205 { .value = TARGET_EVENT_STEP_END, .name = "step-end" },
206
207 { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
208 { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
209
210 { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
211 { .value = TARGET_EVENT_RESET_ASSERT_PRE, .name = "reset-assert-pre" },
212 { .value = TARGET_EVENT_RESET_ASSERT, .name = "reset-assert" },
213 { .value = TARGET_EVENT_RESET_ASSERT_POST, .name = "reset-assert-post" },
214 { .value = TARGET_EVENT_RESET_DEASSERT_PRE, .name = "reset-deassert-pre" },
215 { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
216 { .value = TARGET_EVENT_RESET_INIT, .name = "reset-init" },
217 { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
218
219 { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
220 { .value = TARGET_EVENT_EXAMINE_FAIL, .name = "examine-fail" },
221 { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
222
223 { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
224 { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
225
226 { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
227 { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
228
229 { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
230 { .value = TARGET_EVENT_GDB_FLASH_WRITE_END, .name = "gdb-flash-write-end" },
231
232 { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
233 { .value = TARGET_EVENT_GDB_FLASH_ERASE_END, .name = "gdb-flash-erase-end" },
234
235 { .value = TARGET_EVENT_TRACE_CONFIG, .name = "trace-config" },
236
237 { .name = NULL, .value = -1 }
238 };
239
240 static const Jim_Nvp nvp_target_state[] = {
241 { .name = "unknown", .value = TARGET_UNKNOWN },
242 { .name = "running", .value = TARGET_RUNNING },
243 { .name = "halted", .value = TARGET_HALTED },
244 { .name = "reset", .value = TARGET_RESET },
245 { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
246 { .name = NULL, .value = -1 },
247 };
248
249 static const Jim_Nvp nvp_target_debug_reason[] = {
250 { .name = "debug-request", .value = DBG_REASON_DBGRQ },
251 { .name = "breakpoint", .value = DBG_REASON_BREAKPOINT },
252 { .name = "watchpoint", .value = DBG_REASON_WATCHPOINT },
253 { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
254 { .name = "single-step", .value = DBG_REASON_SINGLESTEP },
255 { .name = "target-not-halted", .value = DBG_REASON_NOTHALTED },
256 { .name = "program-exit", .value = DBG_REASON_EXIT },
257 { .name = "exception-catch", .value = DBG_REASON_EXC_CATCH },
258 { .name = "undefined", .value = DBG_REASON_UNDEFINED },
259 { .name = NULL, .value = -1 },
260 };
261
262 static const Jim_Nvp nvp_target_endian[] = {
263 { .name = "big", .value = TARGET_BIG_ENDIAN },
264 { .name = "little", .value = TARGET_LITTLE_ENDIAN },
265 { .name = "be", .value = TARGET_BIG_ENDIAN },
266 { .name = "le", .value = TARGET_LITTLE_ENDIAN },
267 { .name = NULL, .value = -1 },
268 };
269
270 static const Jim_Nvp nvp_reset_modes[] = {
271 { .name = "unknown", .value = RESET_UNKNOWN },
272 { .name = "run", .value = RESET_RUN },
273 { .name = "halt", .value = RESET_HALT },
274 { .name = "init", .value = RESET_INIT },
275 { .name = NULL, .value = -1 },
276 };
277
278 const char *debug_reason_name(struct target *t)
279 {
280 const char *cp;
281
282 cp = Jim_Nvp_value2name_simple(nvp_target_debug_reason,
283 t->debug_reason)->name;
284 if (!cp) {
285 LOG_ERROR("Invalid debug reason: %d", (int)(t->debug_reason));
286 cp = "(*BUG*unknown*BUG*)";
287 }
288 return cp;
289 }
290
291 const char *target_state_name(struct target *t)
292 {
293 const char *cp;
294 cp = Jim_Nvp_value2name_simple(nvp_target_state, t->state)->name;
295 if (!cp) {
296 LOG_ERROR("Invalid target state: %d", (int)(t->state));
297 cp = "(*BUG*unknown*BUG*)";
298 }
299
300 if (!target_was_examined(t) && t->defer_examine)
301 cp = "examine deferred";
302
303 return cp;
304 }
305
306 const char *target_event_name(enum target_event event)
307 {
308 const char *cp;
309 cp = Jim_Nvp_value2name_simple(nvp_target_event, event)->name;
310 if (!cp) {
311 LOG_ERROR("Invalid target event: %d", (int)(event));
312 cp = "(*BUG*unknown*BUG*)";
313 }
314 return cp;
315 }
316
317 const char *target_reset_mode_name(enum target_reset_mode reset_mode)
318 {
319 const char *cp;
320 cp = Jim_Nvp_value2name_simple(nvp_reset_modes, reset_mode)->name;
321 if (!cp) {
322 LOG_ERROR("Invalid target reset mode: %d", (int)(reset_mode));
323 cp = "(*BUG*unknown*BUG*)";
324 }
325 return cp;
326 }
327
328 /* determine the number of the new target */
329 static int new_target_number(void)
330 {
331 struct target *t;
332 int x;
333
334 /* number is 0 based */
335 x = -1;
336 t = all_targets;
337 while (t) {
338 if (x < t->target_number)
339 x = t->target_number;
340 t = t->next;
341 }
342 return x + 1;
343 }
344
345 static void append_to_list_all_targets(struct target *target)
346 {
347 struct target **t = &all_targets;
348
349 while (*t)
350 t = &((*t)->next);
351 *t = target;
352 }
353
354 /* read a uint64_t from a buffer in target memory endianness */
355 uint64_t target_buffer_get_u64(struct target *target, const uint8_t *buffer)
356 {
357 if (target->endianness == TARGET_LITTLE_ENDIAN)
358 return le_to_h_u64(buffer);
359 else
360 return be_to_h_u64(buffer);
361 }
362
363 /* read a uint32_t from a buffer in target memory endianness */
364 uint32_t target_buffer_get_u32(struct target *target, const uint8_t *buffer)
365 {
366 if (target->endianness == TARGET_LITTLE_ENDIAN)
367 return le_to_h_u32(buffer);
368 else
369 return be_to_h_u32(buffer);
370 }
371
372 /* read a uint24_t from a buffer in target memory endianness */
373 uint32_t target_buffer_get_u24(struct target *target, const uint8_t *buffer)
374 {
375 if (target->endianness == TARGET_LITTLE_ENDIAN)
376 return le_to_h_u24(buffer);
377 else
378 return be_to_h_u24(buffer);
379 }
380
381 /* read a uint16_t from a buffer in target memory endianness */
382 uint16_t target_buffer_get_u16(struct target *target, const uint8_t *buffer)
383 {
384 if (target->endianness == TARGET_LITTLE_ENDIAN)
385 return le_to_h_u16(buffer);
386 else
387 return be_to_h_u16(buffer);
388 }
389
390 /* write a uint64_t to a buffer in target memory endianness */
391 void target_buffer_set_u64(struct target *target, uint8_t *buffer, uint64_t value)
392 {
393 if (target->endianness == TARGET_LITTLE_ENDIAN)
394 h_u64_to_le(buffer, value);
395 else
396 h_u64_to_be(buffer, value);
397 }
398
399 /* write a uint32_t to a buffer in target memory endianness */
400 void target_buffer_set_u32(struct target *target, uint8_t *buffer, uint32_t value)
401 {
402 if (target->endianness == TARGET_LITTLE_ENDIAN)
403 h_u32_to_le(buffer, value);
404 else
405 h_u32_to_be(buffer, value);
406 }
407
408 /* write a uint24_t to a buffer in target memory endianness */
409 void target_buffer_set_u24(struct target *target, uint8_t *buffer, uint32_t value)
410 {
411 if (target->endianness == TARGET_LITTLE_ENDIAN)
412 h_u24_to_le(buffer, value);
413 else
414 h_u24_to_be(buffer, value);
415 }
416
417 /* write a uint16_t to a buffer in target memory endianness */
418 void target_buffer_set_u16(struct target *target, uint8_t *buffer, uint16_t value)
419 {
420 if (target->endianness == TARGET_LITTLE_ENDIAN)
421 h_u16_to_le(buffer, value);
422 else
423 h_u16_to_be(buffer, value);
424 }
425
426 /* write a uint8_t to a buffer in target memory endianness */
427 static void target_buffer_set_u8(struct target *target, uint8_t *buffer, uint8_t value)
428 {
429 *buffer = value;
430 }
431
432 /* write a uint64_t array to a buffer in target memory endianness */
433 void target_buffer_get_u64_array(struct target *target, const uint8_t *buffer, uint32_t count, uint64_t *dstbuf)
434 {
435 uint32_t i;
436 for (i = 0; i < count; i++)
437 dstbuf[i] = target_buffer_get_u64(target, &buffer[i * 8]);
438 }
439
440 /* write a uint32_t array to a buffer in target memory endianness */
441 void target_buffer_get_u32_array(struct target *target, const uint8_t *buffer, uint32_t count, uint32_t *dstbuf)
442 {
443 uint32_t i;
444 for (i = 0; i < count; i++)
445 dstbuf[i] = target_buffer_get_u32(target, &buffer[i * 4]);
446 }
447
448 /* write a uint16_t array to a buffer in target memory endianness */
449 void target_buffer_get_u16_array(struct target *target, const uint8_t *buffer, uint32_t count, uint16_t *dstbuf)
450 {
451 uint32_t i;
452 for (i = 0; i < count; i++)
453 dstbuf[i] = target_buffer_get_u16(target, &buffer[i * 2]);
454 }
455
456 /* write a uint64_t array to a buffer in target memory endianness */
457 void target_buffer_set_u64_array(struct target *target, uint8_t *buffer, uint32_t count, const uint64_t *srcbuf)
458 {
459 uint32_t i;
460 for (i = 0; i < count; i++)
461 target_buffer_set_u64(target, &buffer[i * 8], srcbuf[i]);
462 }
463
464 /* write a uint32_t array to a buffer in target memory endianness */
465 void target_buffer_set_u32_array(struct target *target, uint8_t *buffer, uint32_t count, const uint32_t *srcbuf)
466 {
467 uint32_t i;
468 for (i = 0; i < count; i++)
469 target_buffer_set_u32(target, &buffer[i * 4], srcbuf[i]);
470 }
471
472 /* write a uint16_t array to a buffer in target memory endianness */
473 void target_buffer_set_u16_array(struct target *target, uint8_t *buffer, uint32_t count, const uint16_t *srcbuf)
474 {
475 uint32_t i;
476 for (i = 0; i < count; i++)
477 target_buffer_set_u16(target, &buffer[i * 2], srcbuf[i]);
478 }
479
480 /* return a pointer to a configured target; id is name or number */
481 struct target *get_target(const char *id)
482 {
483 struct target *target;
484
485 /* try as tcltarget name */
486 for (target = all_targets; target; target = target->next) {
487 if (target_name(target) == NULL)
488 continue;
489 if (strcmp(id, target_name(target)) == 0)
490 return target;
491 }
492
493 /* It's OK to remove this fallback sometime after August 2010 or so */
494
495 /* no match, try as number */
496 unsigned num;
497 if (parse_uint(id, &num) != ERROR_OK)
498 return NULL;
499
500 for (target = all_targets; target; target = target->next) {
501 if (target->target_number == (int)num) {
502 LOG_WARNING("use '%s' as target identifier, not '%u'",
503 target_name(target), num);
504 return target;
505 }
506 }
507
508 return NULL;
509 }
510
511 /* returns a pointer to the n-th configured target */
512 struct target *get_target_by_num(int num)
513 {
514 struct target *target = all_targets;
515
516 while (target) {
517 if (target->target_number == num)
518 return target;
519 target = target->next;
520 }
521
522 return NULL;
523 }
524
525 struct target *get_current_target(struct command_context *cmd_ctx)
526 {
527 struct target *target = get_current_target_or_null(cmd_ctx);
528
529 if (target == NULL) {
530 LOG_ERROR("BUG: current_target out of bounds");
531 exit(-1);
532 }
533
534 return target;
535 }
536
537 struct target *get_current_target_or_null(struct command_context *cmd_ctx)
538 {
539 return cmd_ctx->current_target_override
540 ? cmd_ctx->current_target_override
541 : cmd_ctx->current_target;
542 }
543
544 int target_poll(struct target *target)
545 {
546 int retval;
547
548 /* We can't poll until after examine */
549 if (!target_was_examined(target)) {
550 /* Fail silently lest we pollute the log */
551 return ERROR_FAIL;
552 }
553
554 retval = target->type->poll(target);
555 if (retval != ERROR_OK)
556 return retval;
557
558 if (target->halt_issued) {
559 if (target->state == TARGET_HALTED)
560 target->halt_issued = false;
561 else {
562 int64_t t = timeval_ms() - target->halt_issued_time;
563 if (t > DEFAULT_HALT_TIMEOUT) {
564 target->halt_issued = false;
565 LOG_INFO("Halt timed out, wake up GDB.");
566 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
567 }
568 }
569 }
570
571 return ERROR_OK;
572 }
573
574 int target_halt(struct target *target)
575 {
576 int retval;
577 /* We can't poll until after examine */
578 if (!target_was_examined(target)) {
579 LOG_ERROR("Target not examined yet");
580 return ERROR_FAIL;
581 }
582
583 retval = target->type->halt(target);
584 if (retval != ERROR_OK)
585 return retval;
586
587 target->halt_issued = true;
588 target->halt_issued_time = timeval_ms();
589
590 return ERROR_OK;
591 }
592
593 /**
594 * Make the target (re)start executing using its saved execution
595 * context (possibly with some modifications).
596 *
597 * @param target Which target should start executing.
598 * @param current True to use the target's saved program counter instead
599 * of the address parameter
600 * @param address Optionally used as the program counter.
601 * @param handle_breakpoints True iff breakpoints at the resumption PC
602 * should be skipped. (For example, maybe execution was stopped by
603 * such a breakpoint, in which case it would be counterproductive to
604 * let it re-trigger.
605 * @param debug_execution False if all working areas allocated by OpenOCD
606 * should be released and/or restored to their original contents.
607 * (This would for example be true to run some downloaded "helper"
608 * algorithm code, which resides in one such working buffer and uses
609 * another for data storage.)
610 *
611 * @todo Resolve the ambiguity about what the "debug_execution" flag
612 * signifies. For example, Target implementations don't agree on how
613 * it relates to invalidation of the register cache, or to whether
614 * breakpoints and watchpoints should be enabled. (It would seem wrong
615 * to enable breakpoints when running downloaded "helper" algorithms
616 * (debug_execution true), since the breakpoints would be set to match
617 * target firmware being debugged, not the helper algorithm.... and
618 * enabling them could cause such helpers to malfunction (for example,
619 * by overwriting data with a breakpoint instruction. On the other
620 * hand the infrastructure for running such helpers might use this
621 * procedure but rely on hardware breakpoint to detect termination.)
622 */
623 int target_resume(struct target *target, int current, target_addr_t address,
624 int handle_breakpoints, int debug_execution)
625 {
626 int retval;
627
628 /* We can't poll until after examine */
629 if (!target_was_examined(target)) {
630 LOG_ERROR("Target not examined yet");
631 return ERROR_FAIL;
632 }
633
634 target_call_event_callbacks(target, TARGET_EVENT_RESUME_START);
635
636 /* note that resume *must* be asynchronous. The CPU can halt before
637 * we poll. The CPU can even halt at the current PC as a result of
638 * a software breakpoint being inserted by (a bug?) the application.
639 */
640 retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution);
641 if (retval != ERROR_OK)
642 return retval;
643
644 target_call_event_callbacks(target, TARGET_EVENT_RESUME_END);
645
646 return retval;
647 }
648
649 static int target_process_reset(struct command_invocation *cmd, enum target_reset_mode reset_mode)
650 {
651 char buf[100];
652 int retval;
653 Jim_Nvp *n;
654 n = Jim_Nvp_value2name_simple(nvp_reset_modes, reset_mode);
655 if (n->name == NULL) {
656 LOG_ERROR("invalid reset mode");
657 return ERROR_FAIL;
658 }
659
660 struct target *target;
661 for (target = all_targets; target; target = target->next)
662 target_call_reset_callbacks(target, reset_mode);
663
664 /* disable polling during reset to make reset event scripts
665 * more predictable, i.e. dr/irscan & pathmove in events will
666 * not have JTAG operations injected into the middle of a sequence.
667 */
668 bool save_poll = jtag_poll_get_enabled();
669
670 jtag_poll_set_enabled(false);
671
672 sprintf(buf, "ocd_process_reset %s", n->name);
673 retval = Jim_Eval(cmd->ctx->interp, buf);
674
675 jtag_poll_set_enabled(save_poll);
676
677 if (retval != JIM_OK) {
678 Jim_MakeErrorMessage(cmd->ctx->interp);
679 command_print(cmd, "%s", Jim_GetString(Jim_GetResult(cmd->ctx->interp), NULL));
680 return ERROR_FAIL;
681 }
682
683 /* We want any events to be processed before the prompt */
684 retval = target_call_timer_callbacks_now();
685
686 for (target = all_targets; target; target = target->next) {
687 target->type->check_reset(target);
688 target->running_alg = false;
689 }
690
691 return retval;
692 }
693
694 static int identity_virt2phys(struct target *target,
695 target_addr_t virtual, target_addr_t *physical)
696 {
697 *physical = virtual;
698 return ERROR_OK;
699 }
700
701 static int no_mmu(struct target *target, int *enabled)
702 {
703 *enabled = 0;
704 return ERROR_OK;
705 }
706
707 static int default_examine(struct target *target)
708 {
709 target_set_examined(target);
710 return ERROR_OK;
711 }
712
713 /* no check by default */
714 static int default_check_reset(struct target *target)
715 {
716 return ERROR_OK;
717 }
718
719 /* Equivalent Tcl code arp_examine_one is in src/target/startup.tcl
720 * Keep in sync */
721 int target_examine_one(struct target *target)
722 {
723 target_call_event_callbacks(target, TARGET_EVENT_EXAMINE_START);
724
725 int retval = target->type->examine(target);
726 if (retval != ERROR_OK) {
727 target_call_event_callbacks(target, TARGET_EVENT_EXAMINE_FAIL);
728 return retval;
729 }
730
731 target_call_event_callbacks(target, TARGET_EVENT_EXAMINE_END);
732
733 return ERROR_OK;
734 }
735
736 static int jtag_enable_callback(enum jtag_event event, void *priv)
737 {
738 struct target *target = priv;
739
740 if (event != JTAG_TAP_EVENT_ENABLE || !target->tap->enabled)
741 return ERROR_OK;
742
743 jtag_unregister_event_callback(jtag_enable_callback, target);
744
745 return target_examine_one(target);
746 }
747
748 /* Targets that correctly implement init + examine, i.e.
749 * no communication with target during init:
750 *
751 * XScale
752 */
753 int target_examine(void)
754 {
755 int retval = ERROR_OK;
756 struct target *target;
757
758 for (target = all_targets; target; target = target->next) {
759 /* defer examination, but don't skip it */
760 if (!target->tap->enabled) {
761 jtag_register_event_callback(jtag_enable_callback,
762 target);
763 continue;
764 }
765
766 if (target->defer_examine)
767 continue;
768
769 int retval2 = target_examine_one(target);
770 if (retval2 != ERROR_OK) {
771 LOG_WARNING("target %s examination failed", target_name(target));
772 retval = retval2;
773 }
774 }
775 return retval;
776 }
777
778 const char *target_type_name(struct target *target)
779 {
780 return target->type->name;
781 }
782
783 static int target_soft_reset_halt(struct target *target)
784 {
785 if (!target_was_examined(target)) {
786 LOG_ERROR("Target not examined yet");
787 return ERROR_FAIL;
788 }
789 if (!target->type->soft_reset_halt) {
790 LOG_ERROR("Target %s does not support soft_reset_halt",
791 target_name(target));
792 return ERROR_FAIL;
793 }
794 return target->type->soft_reset_halt(target);
795 }
796
797 /**
798 * Downloads a target-specific native code algorithm to the target,
799 * and executes it. * Note that some targets may need to set up, enable,
800 * and tear down a breakpoint (hard or * soft) to detect algorithm
801 * termination, while others may support lower overhead schemes where
802 * soft breakpoints embedded in the algorithm automatically terminate the
803 * algorithm.
804 *
805 * @param target used to run the algorithm
806 * @param arch_info target-specific description of the algorithm.
807 */
808 int target_run_algorithm(struct target *target,
809 int num_mem_params, struct mem_param *mem_params,
810 int num_reg_params, struct reg_param *reg_param,
811 uint32_t entry_point, uint32_t exit_point,
812 int timeout_ms, void *arch_info)
813 {
814 int retval = ERROR_FAIL;
815
816 if (!target_was_examined(target)) {
817 LOG_ERROR("Target not examined yet");
818 goto done;
819 }
820 if (!target->type->run_algorithm) {
821 LOG_ERROR("Target type '%s' does not support %s",
822 target_type_name(target), __func__);
823 goto done;
824 }
825
826 target->running_alg = true;
827 retval = target->type->run_algorithm(target,
828 num_mem_params, mem_params,
829 num_reg_params, reg_param,
830 entry_point, exit_point, timeout_ms, arch_info);
831 target->running_alg = false;
832
833 done:
834 return retval;
835 }
836
837 /**
838 * Executes a target-specific native code algorithm and leaves it running.
839 *
840 * @param target used to run the algorithm
841 * @param arch_info target-specific description of the algorithm.
842 */
843 int target_start_algorithm(struct target *target,
844 int num_mem_params, struct mem_param *mem_params,
845 int num_reg_params, struct reg_param *reg_params,
846 uint32_t entry_point, uint32_t exit_point,
847 void *arch_info)
848 {
849 int retval = ERROR_FAIL;
850
851 if (!target_was_examined(target)) {
852 LOG_ERROR("Target not examined yet");
853 goto done;
854 }
855 if (!target->type->start_algorithm) {
856 LOG_ERROR("Target type '%s' does not support %s",
857 target_type_name(target), __func__);
858 goto done;
859 }
860 if (target->running_alg) {
861 LOG_ERROR("Target is already running an algorithm");
862 goto done;
863 }
864
865 target->running_alg = true;
866 retval = target->type->start_algorithm(target,
867 num_mem_params, mem_params,
868 num_reg_params, reg_params,
869 entry_point, exit_point, arch_info);
870
871 done:
872 return retval;
873 }
874
875 /**
876 * Waits for an algorithm started with target_start_algorithm() to complete.
877 *
878 * @param target used to run the algorithm
879 * @param arch_info target-specific description of the algorithm.
880 */
881 int target_wait_algorithm(struct target *target,
882 int num_mem_params, struct mem_param *mem_params,
883 int num_reg_params, struct reg_param *reg_params,
884 uint32_t exit_point, int timeout_ms,
885 void *arch_info)
886 {
887 int retval = ERROR_FAIL;
888
889 if (!target->type->wait_algorithm) {
890 LOG_ERROR("Target type '%s' does not support %s",
891 target_type_name(target), __func__);
892 goto done;
893 }
894 if (!target->running_alg) {
895 LOG_ERROR("Target is not running an algorithm");
896 goto done;
897 }
898
899 retval = target->type->wait_algorithm(target,
900 num_mem_params, mem_params,
901 num_reg_params, reg_params,
902 exit_point, timeout_ms, arch_info);
903 if (retval != ERROR_TARGET_TIMEOUT)
904 target->running_alg = false;
905
906 done:
907 return retval;
908 }
909
910 /**
911 * Streams data to a circular buffer on target intended for consumption by code
912 * running asynchronously on target.
913 *
914 * This is intended for applications where target-specific native code runs
915 * on the target, receives data from the circular buffer, does something with
916 * it (most likely writing it to a flash memory), and advances the circular
917 * buffer pointer.
918 *
919 * This assumes that the helper algorithm has already been loaded to the target,
920 * but has not been started yet. Given memory and register parameters are passed
921 * to the algorithm.
922 *
923 * The buffer is defined by (buffer_start, buffer_size) arguments and has the
924 * following format:
925 *
926 * [buffer_start + 0, buffer_start + 4):
927 * Write Pointer address (aka head). Written and updated by this
928 * routine when new data is written to the circular buffer.
929 * [buffer_start + 4, buffer_start + 8):
930 * Read Pointer address (aka tail). Updated by code running on the
931 * target after it consumes data.
932 * [buffer_start + 8, buffer_start + buffer_size):
933 * Circular buffer contents.
934 *
935 * See contrib/loaders/flash/stm32f1x.S for an example.
936 *
937 * @param target used to run the algorithm
938 * @param buffer address on the host where data to be sent is located
939 * @param count number of blocks to send
940 * @param block_size size in bytes of each block
941 * @param num_mem_params count of memory-based params to pass to algorithm
942 * @param mem_params memory-based params to pass to algorithm
943 * @param num_reg_params count of register-based params to pass to algorithm
944 * @param reg_params memory-based params to pass to algorithm
945 * @param buffer_start address on the target of the circular buffer structure
946 * @param buffer_size size of the circular buffer structure
947 * @param entry_point address on the target to execute to start the algorithm
948 * @param exit_point address at which to set a breakpoint to catch the
949 * end of the algorithm; can be 0 if target triggers a breakpoint itself
950 */
951
952 int target_run_flash_async_algorithm(struct target *target,
953 const uint8_t *buffer, uint32_t count, int block_size,
954 int num_mem_params, struct mem_param *mem_params,
955 int num_reg_params, struct reg_param *reg_params,
956 uint32_t buffer_start, uint32_t buffer_size,
957 uint32_t entry_point, uint32_t exit_point, void *arch_info)
958 {
959 int retval;
960 int timeout = 0;
961
962 const uint8_t *buffer_orig = buffer;
963
964 /* Set up working area. First word is write pointer, second word is read pointer,
965 * rest is fifo data area. */
966 uint32_t wp_addr = buffer_start;
967 uint32_t rp_addr = buffer_start + 4;
968 uint32_t fifo_start_addr = buffer_start + 8;
969 uint32_t fifo_end_addr = buffer_start + buffer_size;
970
971 uint32_t wp = fifo_start_addr;
972 uint32_t rp = fifo_start_addr;
973
974 /* validate block_size is 2^n */
975 assert(!block_size || !(block_size & (block_size - 1)));
976
977 retval = target_write_u32(target, wp_addr, wp);
978 if (retval != ERROR_OK)
979 return retval;
980 retval = target_write_u32(target, rp_addr, rp);
981 if (retval != ERROR_OK)
982 return retval;
983
984 /* Start up algorithm on target and let it idle while writing the first chunk */
985 retval = target_start_algorithm(target, num_mem_params, mem_params,
986 num_reg_params, reg_params,
987 entry_point,
988 exit_point,
989 arch_info);
990
991 if (retval != ERROR_OK) {
992 LOG_ERROR("error starting target flash write algorithm");
993 return retval;
994 }
995
996 while (count > 0) {
997
998 retval = target_read_u32(target, rp_addr, &rp);
999 if (retval != ERROR_OK) {
1000 LOG_ERROR("failed to get read pointer");
1001 break;
1002 }
1003
1004 LOG_DEBUG("offs 0x%zx count 0x%" PRIx32 " wp 0x%" PRIx32 " rp 0x%" PRIx32,
1005 (size_t) (buffer - buffer_orig), count, wp, rp);
1006
1007 if (rp == 0) {
1008 LOG_ERROR("flash write algorithm aborted by target");
1009 retval = ERROR_FLASH_OPERATION_FAILED;
1010 break;
1011 }
1012
1013 if (((rp - fifo_start_addr) & (block_size - 1)) || rp < fifo_start_addr || rp >= fifo_end_addr) {
1014 LOG_ERROR("corrupted fifo read pointer 0x%" PRIx32, rp);
1015 break;
1016 }
1017
1018 /* Count the number of bytes available in the fifo without
1019 * crossing the wrap around. Make sure to not fill it completely,
1020 * because that would make wp == rp and that's the empty condition. */
1021 uint32_t thisrun_bytes;
1022 if (rp > wp)
1023 thisrun_bytes = rp - wp - block_size;
1024 else if (rp > fifo_start_addr)
1025 thisrun_bytes = fifo_end_addr - wp;
1026 else
1027 thisrun_bytes = fifo_end_addr - wp - block_size;
1028
1029 if (thisrun_bytes == 0) {
1030 /* Throttle polling a bit if transfer is (much) faster than flash
1031 * programming. The exact delay shouldn't matter as long as it's
1032 * less than buffer size / flash speed. This is very unlikely to
1033 * run when using high latency connections such as USB. */
1034 alive_sleep(10);
1035
1036 /* to stop an infinite loop on some targets check and increment a timeout
1037 * this issue was observed on a stellaris using the new ICDI interface */
1038 if (timeout++ >= 500) {
1039 LOG_ERROR("timeout waiting for algorithm, a target reset is recommended");
1040 return ERROR_FLASH_OPERATION_FAILED;
1041 }
1042 continue;
1043 }
1044
1045 /* reset our timeout */
1046 timeout = 0;
1047
1048 /* Limit to the amount of data we actually want to write */
1049 if (thisrun_bytes > count * block_size)
1050 thisrun_bytes = count * block_size;
1051
1052 /* Write data to fifo */
1053 retval = target_write_buffer(target, wp, thisrun_bytes, buffer);
1054 if (retval != ERROR_OK)
1055 break;
1056
1057 /* Update counters and wrap write pointer */
1058 buffer += thisrun_bytes;
1059 count -= thisrun_bytes / block_size;
1060 wp += thisrun_bytes;
1061 if (wp >= fifo_end_addr)
1062 wp = fifo_start_addr;
1063
1064 /* Store updated write pointer to target */
1065 retval = target_write_u32(target, wp_addr, wp);
1066 if (retval != ERROR_OK)
1067 break;
1068
1069 /* Avoid GDB timeouts */
1070 keep_alive();
1071 }
1072
1073 if (retval != ERROR_OK) {
1074 /* abort flash write algorithm on target */
1075 target_write_u32(target, wp_addr, 0);
1076 }
1077
1078 int retval2 = target_wait_algorithm(target, num_mem_params, mem_params,
1079 num_reg_params, reg_params,
1080 exit_point,
1081 10000,
1082 arch_info);
1083
1084 if (retval2 != ERROR_OK) {
1085 LOG_ERROR("error waiting for target flash write algorithm");
1086 retval = retval2;
1087 }
1088
1089 if (retval == ERROR_OK) {
1090 /* check if algorithm set rp = 0 after fifo writer loop finished */
1091 retval = target_read_u32(target, rp_addr, &rp);
1092 if (retval == ERROR_OK && rp == 0) {
1093 LOG_ERROR("flash write algorithm aborted by target");
1094 retval = ERROR_FLASH_OPERATION_FAILED;
1095 }
1096 }
1097
1098 return retval;
1099 }
1100
1101 int target_read_memory(struct target *target,
1102 target_addr_t address, uint32_t size, uint32_t count, uint8_t *buffer)
1103 {
1104 if (!target_was_examined(target)) {
1105 LOG_ERROR("Target not examined yet");
1106 return ERROR_FAIL;
1107 }
1108 if (!target->type->read_memory) {
1109 LOG_ERROR("Target %s doesn't support read_memory", target_name(target));
1110 return ERROR_FAIL;
1111 }
1112 return target->type->read_memory(target, address, size, count, buffer);
1113 }
1114
1115 int target_read_phys_memory(struct target *target,
1116 target_addr_t address, uint32_t size, uint32_t count, uint8_t *buffer)
1117 {
1118 if (!target_was_examined(target)) {
1119 LOG_ERROR("Target not examined yet");
1120 return ERROR_FAIL;
1121 }
1122 if (!target->type->read_phys_memory) {
1123 LOG_ERROR("Target %s doesn't support read_phys_memory", target_name(target));
1124 return ERROR_FAIL;
1125 }
1126 return target->type->read_phys_memory(target, address, size, count, buffer);
1127 }
1128
1129 int target_write_memory(struct target *target,
1130 target_addr_t address, uint32_t size, uint32_t count, const uint8_t *buffer)
1131 {
1132 if (!target_was_examined(target)) {
1133 LOG_ERROR("Target not examined yet");
1134 return ERROR_FAIL;
1135 }
1136 if (!target->type->write_memory) {
1137 LOG_ERROR("Target %s doesn't support write_memory", target_name(target));
1138 return ERROR_FAIL;
1139 }
1140 return target->type->write_memory(target, address, size, count, buffer);
1141 }
1142
1143 int target_write_phys_memory(struct target *target,
1144 target_addr_t address, uint32_t size, uint32_t count, const uint8_t *buffer)
1145 {
1146 if (!target_was_examined(target)) {
1147 LOG_ERROR("Target not examined yet");
1148 return ERROR_FAIL;
1149 }
1150 if (!target->type->write_phys_memory) {
1151 LOG_ERROR("Target %s doesn't support write_phys_memory", target_name(target));
1152 return ERROR_FAIL;
1153 }
1154 return target->type->write_phys_memory(target, address, size, count, buffer);
1155 }
1156
1157 int target_add_breakpoint(struct target *target,
1158 struct breakpoint *breakpoint)
1159 {
1160 if ((target->state != TARGET_HALTED) && (breakpoint->type != BKPT_HARD)) {
1161 LOG_WARNING("target %s is not halted (add breakpoint)", target_name(target));
1162 return ERROR_TARGET_NOT_HALTED;
1163 }
1164 return target->type->add_breakpoint(target, breakpoint);
1165 }
1166
1167 int target_add_context_breakpoint(struct target *target,
1168 struct breakpoint *breakpoint)
1169 {
1170 if (target->state != TARGET_HALTED) {
1171 LOG_WARNING("target %s is not halted (add context breakpoint)", target_name(target));
1172 return ERROR_TARGET_NOT_HALTED;
1173 }
1174 return target->type->add_context_breakpoint(target, breakpoint);
1175 }
1176
1177 int target_add_hybrid_breakpoint(struct target *target,
1178 struct breakpoint *breakpoint)
1179 {
1180 if (target->state != TARGET_HALTED) {
1181 LOG_WARNING("target %s is not halted (add hybrid breakpoint)", target_name(target));
1182 return ERROR_TARGET_NOT_HALTED;
1183 }
1184 return target->type->add_hybrid_breakpoint(target, breakpoint);
1185 }
1186
1187 int target_remove_breakpoint(struct target *target,
1188 struct breakpoint *breakpoint)
1189 {
1190 return target->type->remove_breakpoint(target, breakpoint);
1191 }
1192
1193 int target_add_watchpoint(struct target *target,
1194 struct watchpoint *watchpoint)
1195 {
1196 if (target->state != TARGET_HALTED) {
1197 LOG_WARNING("target %s is not halted (add watchpoint)", target_name(target));
1198 return ERROR_TARGET_NOT_HALTED;
1199 }
1200 return target->type->add_watchpoint(target, watchpoint);
1201 }
1202 int target_remove_watchpoint(struct target *target,
1203 struct watchpoint *watchpoint)
1204 {
1205 return target->type->remove_watchpoint(target, watchpoint);
1206 }
1207 int target_hit_watchpoint(struct target *target,
1208 struct watchpoint **hit_watchpoint)
1209 {
1210 if (target->state != TARGET_HALTED) {
1211 LOG_WARNING("target %s is not halted (hit watchpoint)", target->cmd_name);
1212 return ERROR_TARGET_NOT_HALTED;
1213 }
1214
1215 if (target->type->hit_watchpoint == NULL) {
1216 /* For backward compatible, if hit_watchpoint is not implemented,
1217 * return ERROR_FAIL such that gdb_server will not take the nonsense
1218 * information. */
1219 return ERROR_FAIL;
1220 }
1221
1222 return target->type->hit_watchpoint(target, hit_watchpoint);
1223 }
1224
1225 const char *target_get_gdb_arch(struct target *target)
1226 {
1227 if (target->type->get_gdb_arch == NULL)
1228 return NULL;
1229 return target->type->get_gdb_arch(target);
1230 }
1231
1232 int target_get_gdb_reg_list(struct target *target,
1233 struct reg **reg_list[], int *reg_list_size,
1234 enum target_register_class reg_class)
1235 {
1236 int result = ERROR_FAIL;
1237
1238 if (!target_was_examined(target)) {
1239 LOG_ERROR("Target not examined yet");
1240 goto done;
1241 }
1242
1243 result = target->type->get_gdb_reg_list(target, reg_list,
1244 reg_list_size, reg_class);
1245
1246 done:
1247 if (result != ERROR_OK) {
1248 *reg_list = NULL;
1249 *reg_list_size = 0;
1250 }
1251 return result;
1252 }
1253
1254 int target_get_gdb_reg_list_noread(struct target *target,
1255 struct reg **reg_list[], int *reg_list_size,
1256 enum target_register_class reg_class)
1257 {
1258 if (target->type->get_gdb_reg_list_noread &&
1259 target->type->get_gdb_reg_list_noread(target, reg_list,
1260 reg_list_size, reg_class) == ERROR_OK)
1261 return ERROR_OK;
1262 return target_get_gdb_reg_list(target, reg_list, reg_list_size, reg_class);
1263 }
1264
1265 bool target_supports_gdb_connection(struct target *target)
1266 {
1267 /*
1268 * exclude all the targets that don't provide get_gdb_reg_list
1269 * or that have explicit gdb_max_connection == 0
1270 */
1271 return !!target->type->get_gdb_reg_list && !!target->gdb_max_connections;
1272 }
1273
1274 int target_step(struct target *target,
1275 int current, target_addr_t address, int handle_breakpoints)
1276 {
1277 int retval;
1278
1279 target_call_event_callbacks(target, TARGET_EVENT_STEP_START);
1280
1281 retval = target->type->step(target, current, address, handle_breakpoints);
1282 if (retval != ERROR_OK)
1283 return retval;
1284
1285 target_call_event_callbacks(target, TARGET_EVENT_STEP_END);
1286
1287 return retval;
1288 }
1289
1290 int target_get_gdb_fileio_info(struct target *target, struct gdb_fileio_info *fileio_info)
1291 {
1292 if (target->state != TARGET_HALTED) {
1293 LOG_WARNING("target %s is not halted (gdb fileio)", target->cmd_name);
1294 return ERROR_TARGET_NOT_HALTED;
1295 }
1296 return target->type->get_gdb_fileio_info(target, fileio_info);
1297 }
1298
1299 int target_gdb_fileio_end(struct target *target, int retcode, int fileio_errno, bool ctrl_c)
1300 {
1301 if (target->state != TARGET_HALTED) {
1302 LOG_WARNING("target %s is not halted (gdb fileio end)", target->cmd_name);
1303 return ERROR_TARGET_NOT_HALTED;
1304 }
1305 return target->type->gdb_fileio_end(target, retcode, fileio_errno, ctrl_c);
1306 }
1307
1308 target_addr_t target_address_max(struct target *target)
1309 {
1310 unsigned bits = target_address_bits(target);
1311 if (sizeof(target_addr_t) * 8 == bits)
1312 return (target_addr_t) -1;
1313 else
1314 return (((target_addr_t) 1) << bits) - 1;
1315 }
1316
1317 unsigned target_address_bits(struct target *target)
1318 {
1319 if (target->type->address_bits)
1320 return target->type->address_bits(target);
1321 return 32;
1322 }
1323
1324 static int target_profiling(struct target *target, uint32_t *samples,
1325 uint32_t max_num_samples, uint32_t *num_samples, uint32_t seconds)
1326 {
1327 return target->type->profiling(target, samples, max_num_samples,
1328 num_samples, seconds);
1329 }
1330
1331 /**
1332 * Reset the @c examined flag for the given target.
1333 * Pure paranoia -- targets are zeroed on allocation.
1334 */
1335 static void target_reset_examined(struct target *target)
1336 {
1337 target->examined = false;
1338 }
1339
1340 static int handle_target(void *priv);
1341
1342 static int target_init_one(struct command_context *cmd_ctx,
1343 struct target *target)
1344 {
1345 target_reset_examined(target);
1346
1347 struct target_type *type = target->type;
1348 if (type->examine == NULL)
1349 type->examine = default_examine;
1350
1351 if (type->check_reset == NULL)
1352 type->check_reset = default_check_reset;
1353
1354 assert(type->init_target != NULL);
1355
1356 int retval = type->init_target(cmd_ctx, target);
1357 if (ERROR_OK != retval) {
1358 LOG_ERROR("target '%s' init failed", target_name(target));
1359 return retval;
1360 }
1361
1362 /* Sanity-check MMU support ... stub in what we must, to help
1363 * implement it in stages, but warn if we need to do so.
1364 */
1365 if (type->mmu) {
1366 if (type->virt2phys == NULL) {
1367 LOG_ERROR("type '%s' is missing virt2phys", type->name);
1368 type->virt2phys = identity_virt2phys;
1369 }
1370 } else {
1371 /* Make sure no-MMU targets all behave the same: make no
1372 * distinction between physical and virtual addresses, and
1373 * ensure that virt2phys() is always an identity mapping.
1374 */
1375 if (type->write_phys_memory || type->read_phys_memory || type->virt2phys)
1376 LOG_WARNING("type '%s' has bad MMU hooks", type->name);
1377
1378 type->mmu = no_mmu;
1379 type->write_phys_memory = type->write_memory;
1380 type->read_phys_memory = type->read_memory;
1381 type->virt2phys = identity_virt2phys;
1382 }
1383
1384 if (target->type->read_buffer == NULL)
1385 target->type->read_buffer = target_read_buffer_default;
1386
1387 if (target->type->write_buffer == NULL)
1388 target->type->write_buffer = target_write_buffer_default;
1389
1390 if (target->type->get_gdb_fileio_info == NULL)
1391 target->type->get_gdb_fileio_info = target_get_gdb_fileio_info_default;
1392
1393 if (target->type->gdb_fileio_end == NULL)
1394 target->type->gdb_fileio_end = target_gdb_fileio_end_default;
1395
1396 if (target->type->profiling == NULL)
1397 target->type->profiling = target_profiling_default;
1398
1399 return ERROR_OK;
1400 }
1401
1402 static int target_init(struct command_context *cmd_ctx)
1403 {
1404 struct target *target;
1405 int retval;
1406
1407 for (target = all_targets; target; target = target->next) {
1408 retval = target_init_one(cmd_ctx, target);
1409 if (ERROR_OK != retval)
1410 return retval;
1411 }
1412
1413 if (!all_targets)
1414 return ERROR_OK;
1415
1416 retval = target_register_user_commands(cmd_ctx);
1417 if (ERROR_OK != retval)
1418 return retval;
1419
1420 retval = target_register_timer_callback(&handle_target,
1421 polling_interval, TARGET_TIMER_TYPE_PERIODIC, cmd_ctx->interp);
1422 if (ERROR_OK != retval)
1423 return retval;
1424
1425 return ERROR_OK;
1426 }
1427
1428 COMMAND_HANDLER(handle_target_init_command)
1429 {
1430 int retval;
1431
1432 if (CMD_ARGC != 0)
1433 return ERROR_COMMAND_SYNTAX_ERROR;
1434
1435 static bool target_initialized;
1436 if (target_initialized) {
1437 LOG_INFO("'target init' has already been called");
1438 return ERROR_OK;
1439 }
1440 target_initialized = true;
1441
1442 retval = command_run_line(CMD_CTX, "init_targets");
1443 if (ERROR_OK != retval)
1444 return retval;
1445
1446 retval = command_run_line(CMD_CTX, "init_target_events");
1447 if (ERROR_OK != retval)
1448 return retval;
1449
1450 retval = command_run_line(CMD_CTX, "init_board");
1451 if (ERROR_OK != retval)
1452 return retval;
1453
1454 LOG_DEBUG("Initializing targets...");
1455 return target_init(CMD_CTX);
1456 }
1457
1458 int target_register_event_callback(int (*callback)(struct target *target,
1459 enum target_event event, void *priv), void *priv)
1460 {
1461 struct target_event_callback **callbacks_p = &target_event_callbacks;
1462
1463 if (callback == NULL)
1464 return ERROR_COMMAND_SYNTAX_ERROR;
1465
1466 if (*callbacks_p) {
1467 while ((*callbacks_p)->next)
1468 callbacks_p = &((*callbacks_p)->next);
1469 callbacks_p = &((*callbacks_p)->next);
1470 }
1471
1472 (*callbacks_p) = malloc(sizeof(struct target_event_callback));
1473 (*callbacks_p)->callback = callback;
1474 (*callbacks_p)->priv = priv;
1475 (*callbacks_p)->next = NULL;
1476
1477 return ERROR_OK;
1478 }
1479
1480 int target_register_reset_callback(int (*callback)(struct target *target,
1481 enum target_reset_mode reset_mode, void *priv), void *priv)
1482 {
1483 struct target_reset_callback *entry;
1484
1485 if (callback == NULL)
1486 return ERROR_COMMAND_SYNTAX_ERROR;
1487
1488 entry = malloc(sizeof(struct target_reset_callback));
1489 if (entry == NULL) {
1490 LOG_ERROR("error allocating buffer for reset callback entry");
1491 return ERROR_COMMAND_SYNTAX_ERROR;
1492 }
1493
1494 entry->callback = callback;
1495 entry->priv = priv;
1496 list_add(&entry->list, &target_reset_callback_list);
1497
1498
1499 return ERROR_OK;
1500 }
1501
1502 int target_register_trace_callback(int (*callback)(struct target *target,
1503 size_t len, uint8_t *data, void *priv), void *priv)
1504 {
1505 struct target_trace_callback *entry;
1506
1507 if (callback == NULL)
1508 return ERROR_COMMAND_SYNTAX_ERROR;
1509
1510 entry = malloc(sizeof(struct target_trace_callback));
1511 if (entry == NULL) {
1512 LOG_ERROR("error allocating buffer for trace callback entry");
1513 return ERROR_COMMAND_SYNTAX_ERROR;
1514 }
1515
1516 entry->callback = callback;
1517 entry->priv = priv;
1518 list_add(&entry->list, &target_trace_callback_list);
1519
1520
1521 return ERROR_OK;
1522 }
1523
1524 int target_register_timer_callback(int (*callback)(void *priv),
1525 unsigned int time_ms, enum target_timer_type type, void *priv)
1526 {
1527 struct target_timer_callback **callbacks_p = &target_timer_callbacks;
1528
1529 if (callback == NULL)
1530 return ERROR_COMMAND_SYNTAX_ERROR;
1531
1532 if (*callbacks_p) {
1533 while ((*callbacks_p)->next)
1534 callbacks_p = &((*callbacks_p)->next);
1535 callbacks_p = &((*callbacks_p)->next);
1536 }
1537
1538 (*callbacks_p) = malloc(sizeof(struct target_timer_callback));
1539 (*callbacks_p)->callback = callback;
1540 (*callbacks_p)->type = type;
1541 (*callbacks_p)->time_ms = time_ms;
1542 (*callbacks_p)->removed = false;
1543
1544 gettimeofday(&(*callbacks_p)->when, NULL);
1545 timeval_add_time(&(*callbacks_p)->when, 0, time_ms * 1000);
1546
1547 (*callbacks_p)->priv = priv;
1548 (*callbacks_p)->next = NULL;
1549
1550 return ERROR_OK;
1551 }
1552
1553 int target_unregister_event_callback(int (*callback)(struct target *target,
1554 enum target_event event, void *priv), void *priv)
1555 {
1556 struct target_event_callback **p = &target_event_callbacks;
1557 struct target_event_callback *c = target_event_callbacks;
1558
1559 if (callback == NULL)
1560 return ERROR_COMMAND_SYNTAX_ERROR;
1561
1562 while (c) {
1563 struct target_event_callback *next = c->next;
1564 if ((c->callback == callback) && (c->priv == priv)) {
1565 *p = next;
1566 free(c);
1567 return ERROR_OK;
1568 } else
1569 p = &(c->next);
1570 c = next;
1571 }
1572
1573 return ERROR_OK;
1574 }
1575
1576 int target_unregister_reset_callback(int (*callback)(struct target *target,
1577 enum target_reset_mode reset_mode, void *priv), void *priv)
1578 {
1579 struct target_reset_callback *entry;
1580
1581 if (callback == NULL)
1582 return ERROR_COMMAND_SYNTAX_ERROR;
1583
1584 list_for_each_entry(entry, &target_reset_callback_list, list) {
1585 if (entry->callback == callback && entry->priv == priv) {
1586 list_del(&entry->list);
1587 free(entry);
1588 break;
1589 }
1590 }
1591
1592 return ERROR_OK;
1593 }
1594
1595 int target_unregister_trace_callback(int (*callback)(struct target *target,
1596 size_t len, uint8_t *data, void *priv), void *priv)
1597 {
1598 struct target_trace_callback *entry;
1599
1600 if (callback == NULL)
1601 return ERROR_COMMAND_SYNTAX_ERROR;
1602
1603 list_for_each_entry(entry, &target_trace_callback_list, list) {
1604 if (entry->callback == callback && entry->priv == priv) {
1605 list_del(&entry->list);
1606 free(entry);
1607 break;
1608 }
1609 }
1610
1611 return ERROR_OK;
1612 }
1613
1614 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
1615 {
1616 if (callback == NULL)
1617 return ERROR_COMMAND_SYNTAX_ERROR;
1618
1619 for (struct target_timer_callback *c = target_timer_callbacks;
1620 c; c = c->next) {
1621 if ((c->callback == callback) && (c->priv == priv)) {
1622 c->removed = true;
1623 return ERROR_OK;
1624 }
1625 }
1626
1627 return ERROR_FAIL;
1628 }
1629
1630 int target_call_event_callbacks(struct target *target, enum target_event event)
1631 {
1632 struct target_event_callback *callback = target_event_callbacks;
1633 struct target_event_callback *next_callback;
1634
1635 if (event == TARGET_EVENT_HALTED) {
1636 /* execute early halted first */
1637 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
1638 }
1639
1640 LOG_DEBUG("target event %i (%s) for core %s", event,
1641 Jim_Nvp_value2name_simple(nvp_target_event, event)->name,
1642 target_name(target));
1643
1644 target_handle_event(target, event);
1645
1646 while (callback) {
1647 next_callback = callback->next;
1648 callback->callback(target, event, callback->priv);
1649 callback = next_callback;
1650 }
1651
1652 return ERROR_OK;
1653 }
1654
1655 int target_call_reset_callbacks(struct target *target, enum target_reset_mode reset_mode)
1656 {
1657 struct target_reset_callback *callback;
1658
1659 LOG_DEBUG("target reset %i (%s)", reset_mode,
1660 Jim_Nvp_value2name_simple(nvp_reset_modes, reset_mode)->name);
1661
1662 list_for_each_entry(callback, &target_reset_callback_list, list)
1663 callback->callback(target, reset_mode, callback->priv);
1664
1665 return ERROR_OK;
1666 }
1667
1668 int target_call_trace_callbacks(struct target *target, size_t len, uint8_t *data)
1669 {
1670 struct target_trace_callback *callback;
1671
1672 list_for_each_entry(callback, &target_trace_callback_list, list)
1673 callback->callback(target, len, data, callback->priv);
1674
1675 return ERROR_OK;
1676 }
1677
1678 static int target_timer_callback_periodic_restart(
1679 struct target_timer_callback *cb, struct timeval *now)
1680 {
1681 cb->when = *now;
1682 timeval_add_time(&cb->when, 0, cb->time_ms * 1000L);
1683 return ERROR_OK;
1684 }
1685
1686 static int target_call_timer_callback(struct target_timer_callback *cb,
1687 struct timeval *now)
1688 {
1689 cb->callback(cb->priv);
1690
1691 if (cb->type == TARGET_TIMER_TYPE_PERIODIC)
1692 return target_timer_callback_periodic_restart(cb, now);
1693
1694 return target_unregister_timer_callback(cb->callback, cb->priv);
1695 }
1696
1697 static int target_call_timer_callbacks_check_time(int checktime)
1698 {
1699 static bool callback_processing;
1700
1701 /* Do not allow nesting */
1702 if (callback_processing)
1703 return ERROR_OK;
1704
1705 callback_processing = true;
1706
1707 keep_alive();
1708
1709 struct timeval now;
1710 gettimeofday(&now, NULL);
1711
1712 /* Store an address of the place containing a pointer to the
1713 * next item; initially, that's a standalone "root of the
1714 * list" variable. */
1715 struct target_timer_callback **callback = &target_timer_callbacks;
1716 while (callback && *callback) {
1717 if ((*callback)->removed) {
1718 struct target_timer_callback *p = *callback;
1719 *callback = (*callback)->next;
1720 free(p);
1721 continue;
1722 }
1723
1724 bool call_it = (*callback)->callback &&
1725 ((!checktime && (*callback)->type == TARGET_TIMER_TYPE_PERIODIC) ||
1726 timeval_compare(&now, &(*callback)->when) >= 0);
1727
1728 if (call_it)
1729 target_call_timer_callback(*callback, &now);
1730
1731 callback = &(*callback)->next;
1732 }
1733
1734 callback_processing = false;
1735 return ERROR_OK;
1736 }
1737
1738 int target_call_timer_callbacks(void)
1739 {
1740 return target_call_timer_callbacks_check_time(1);
1741 }
1742
1743 /* invoke periodic callbacks immediately */
1744 int target_call_timer_callbacks_now(void)
1745 {
1746 return target_call_timer_callbacks_check_time(0);
1747 }
1748
1749 /* Prints the working area layout for debug purposes */
1750 static void print_wa_layout(struct target *target)
1751 {
1752 struct working_area *c = target->working_areas;
1753
1754 while (c) {
1755 LOG_DEBUG("%c%c " TARGET_ADDR_FMT "-" TARGET_ADDR_FMT " (%" PRIu32 " bytes)",
1756 c->backup ? 'b' : ' ', c->free ? ' ' : '*',
1757 c->address, c->address + c->size - 1, c->size);
1758 c = c->next;
1759 }
1760 }
1761
1762 /* Reduce area to size bytes, create a new free area from the remaining bytes, if any. */
1763 static void target_split_working_area(struct working_area *area, uint32_t size)
1764 {
1765 assert(area->free); /* Shouldn't split an allocated area */
1766 assert(size <= area->size); /* Caller should guarantee this */
1767
1768 /* Split only if not already the right size */
1769 if (size < area->size) {
1770 struct working_area *new_wa = malloc(sizeof(*new_wa));
1771
1772 if (new_wa == NULL)
1773 return;
1774
1775 new_wa->next = area->next;
1776 new_wa->size = area->size - size;
1777 new_wa->address = area->address + size;
1778 new_wa->backup = NULL;
1779 new_wa->user = NULL;
1780 new_wa->free = true;
1781
1782 area->next = new_wa;
1783 area->size = size;
1784
1785 /* If backup memory was allocated to this area, it has the wrong size
1786 * now so free it and it will be reallocated if/when needed */
1787 free(area->backup);
1788 area->backup = NULL;
1789 }
1790 }
1791
1792 /* Merge all adjacent free areas into one */
1793 static void target_merge_working_areas(struct target *target)
1794 {
1795 struct working_area *c = target->working_areas;
1796
1797 while (c && c->next) {
1798 assert(c->next->address == c->address + c->size); /* This is an invariant */
1799
1800 /* Find two adjacent free areas */
1801 if (c->free && c->next->free) {
1802 /* Merge the last into the first */
1803 c->size += c->next->size;
1804
1805 /* Remove the last */
1806 struct working_area *to_be_freed = c->next;
1807 c->next = c->next->next;
1808 free(to_be_freed->backup);
1809 free(to_be_freed);
1810
1811 /* If backup memory was allocated to the remaining area, it's has
1812 * the wrong size now */
1813 free(c->backup);
1814 c->backup = NULL;
1815 } else {
1816 c = c->next;
1817 }
1818 }
1819 }
1820
1821 int target_alloc_working_area_try(struct target *target, uint32_t size, struct working_area **area)
1822 {
1823 /* Reevaluate working area address based on MMU state*/
1824 if (target->working_areas == NULL) {
1825 int retval;
1826 int enabled;
1827
1828 retval = target->type->mmu(target, &enabled);
1829 if (retval != ERROR_OK)
1830 return retval;
1831
1832 if (!enabled) {
1833 if (target->working_area_phys_spec) {
1834 LOG_DEBUG("MMU disabled, using physical "
1835 "address for working memory " TARGET_ADDR_FMT,
1836 target->working_area_phys);
1837 target->working_area = target->working_area_phys;
1838 } else {
1839 LOG_ERROR("No working memory available. "
1840 "Specify -work-area-phys to target.");
1841 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1842 }
1843 } else {
1844 if (target->working_area_virt_spec) {
1845 LOG_DEBUG("MMU enabled, using virtual "
1846 "address for working memory " TARGET_ADDR_FMT,
1847 target->working_area_virt);
1848 target->working_area = target->working_area_virt;
1849 } else {
1850 LOG_ERROR("No working memory available. "
1851 "Specify -work-area-virt to target.");
1852 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1853 }
1854 }
1855
1856 /* Set up initial working area on first call */
1857 struct working_area *new_wa = malloc(sizeof(*new_wa));
1858 if (new_wa) {
1859 new_wa->next = NULL;
1860 new_wa->size = target->working_area_size & ~3UL; /* 4-byte align */
1861 new_wa->address = target->working_area;
1862 new_wa->backup = NULL;
1863 new_wa->user = NULL;
1864 new_wa->free = true;
1865 }
1866
1867 target->working_areas = new_wa;
1868 }
1869
1870 /* only allocate multiples of 4 byte */
1871 if (size % 4)
1872 size = (size + 3) & (~3UL);
1873
1874 struct working_area *c = target->working_areas;
1875
1876 /* Find the first large enough working area */
1877 while (c) {
1878 if (c->free && c->size >= size)
1879 break;
1880 c = c->next;
1881 }
1882
1883 if (c == NULL)
1884 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1885
1886 /* Split the working area into the requested size */
1887 target_split_working_area(c, size);
1888
1889 LOG_DEBUG("allocated new working area of %" PRIu32 " bytes at address " TARGET_ADDR_FMT,
1890 size, c->address);
1891
1892 if (target->backup_working_area) {
1893 if (c->backup == NULL) {
1894 c->backup = malloc(c->size);
1895 if (c->backup == NULL)
1896 return ERROR_FAIL;
1897 }
1898
1899 int retval = target_read_memory(target, c->address, 4, c->size / 4, c->backup);
1900 if (retval != ERROR_OK)
1901 return retval;
1902 }
1903
1904 /* mark as used, and return the new (reused) area */
1905 c->free = false;
1906 *area = c;
1907
1908 /* user pointer */
1909 c->user = area;
1910
1911 print_wa_layout(target);
1912
1913 return ERROR_OK;
1914 }
1915
1916 int target_alloc_working_area(struct target *target, uint32_t size, struct working_area **area)
1917 {
1918 int retval;
1919
1920 retval = target_alloc_working_area_try(target, size, area);
1921 if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
1922 LOG_WARNING("not enough working area available(requested %"PRIu32")", size);
1923 return retval;
1924
1925 }
1926
1927 static int target_restore_working_area(struct target *target, struct working_area *area)
1928 {
1929 int retval = ERROR_OK;
1930
1931 if (target->backup_working_area && area->backup != NULL) {
1932 retval = target_write_memory(target, area->address, 4, area->size / 4, area->backup);
1933 if (retval != ERROR_OK)
1934 LOG_ERROR("failed to restore %" PRIu32 " bytes of working area at address " TARGET_ADDR_FMT,
1935 area->size, area->address);
1936 }
1937
1938 return retval;
1939 }
1940
1941 /* Restore the area's backup memory, if any, and return the area to the allocation pool */
1942 static int target_free_working_area_restore(struct target *target, struct working_area *area, int restore)
1943 {
1944 int retval = ERROR_OK;
1945
1946 if (area->free)
1947 return retval;
1948
1949 if (restore) {
1950 retval = target_restore_working_area(target, area);
1951 /* REVISIT: Perhaps the area should be freed even if restoring fails. */
1952 if (retval != ERROR_OK)
1953 return retval;
1954 }
1955
1956 area->free = true;
1957
1958 LOG_DEBUG("freed %" PRIu32 " bytes of working area at address " TARGET_ADDR_FMT,
1959 area->size, area->address);
1960
1961 /* mark user pointer invalid */
1962 /* TODO: Is this really safe? It points to some previous caller's memory.
1963 * How could we know that the area pointer is still in that place and not
1964 * some other vital data? What's the purpose of this, anyway? */
1965 *area->user = NULL;
1966 area->user = NULL;
1967
1968 target_merge_working_areas(target);
1969
1970 print_wa_layout(target);
1971
1972 return retval;
1973 }
1974
1975 int target_free_working_area(struct target *target, struct working_area *area)
1976 {
1977 return target_free_working_area_restore(target, area, 1);
1978 }
1979
1980 /* free resources and restore memory, if restoring memory fails,
1981 * free up resources anyway
1982 */
1983 static void target_free_all_working_areas_restore(struct target *target, int restore)
1984 {
1985 struct working_area *c = target->working_areas;
1986
1987 LOG_DEBUG("freeing all working areas");
1988
1989 /* Loop through all areas, restoring the allocated ones and marking them as free */
1990 while (c) {
1991 if (!c->free) {
1992 if (restore)
1993 target_restore_working_area(target, c);
1994 c->free = true;
1995 *c->user = NULL; /* Same as above */
1996 c->user = NULL;
1997 }
1998 c = c->next;
1999 }
2000
2001 /* Run a merge pass to combine all areas into one */
2002 target_merge_working_areas(target);
2003
2004 print_wa_layout(target);
2005 }
2006
2007 void target_free_all_working_areas(struct target *target)
2008 {
2009 target_free_all_working_areas_restore(target, 1);
2010
2011 /* Now we have none or only one working area marked as free */
2012 if (target->working_areas) {
2013 /* Free the last one to allow on-the-fly moving and resizing */
2014 free(target->working_areas->backup);
2015 free(target->working_areas);
2016 target->working_areas = NULL;
2017 }
2018 }
2019
2020 /* Find the largest number of bytes that can be allocated */
2021 uint32_t target_get_working_area_avail(struct target *target)
2022 {
2023 struct working_area *c = target->working_areas;
2024 uint32_t max_size = 0;
2025
2026 if (c == NULL)
2027 return target->working_area_size;
2028
2029 while (c) {
2030 if (c->free && max_size < c->size)
2031 max_size = c->size;
2032
2033 c = c->next;
2034 }
2035
2036 return max_size;
2037 }
2038
2039 static void target_destroy(struct target *target)
2040 {
2041 if (target->type->deinit_target)
2042 target->type->deinit_target(target);
2043
2044 free(target->semihosting);
2045
2046 jtag_unregister_event_callback(jtag_enable_callback, target);
2047
2048 struct target_event_action *teap = target->event_action;
2049 while (teap) {
2050 struct target_event_action *next = teap->next;
2051 Jim_DecrRefCount(teap->interp, teap->body);
2052 free(teap);
2053 teap = next;
2054 }
2055
2056 target_free_all_working_areas(target);
2057
2058 /* release the targets SMP list */
2059 if (target->smp) {
2060 struct target_list *head = target->head;
2061 while (head != NULL) {
2062 struct target_list *pos = head->next;
2063 head->target->smp = 0;
2064 free(head);
2065 head = pos;
2066 }
2067 target->smp = 0;
2068 }
2069
2070 rtos_destroy(target);
2071
2072 free(target->gdb_port_override);
2073 free(target->type);
2074 free(target->trace_info);
2075 free(target->fileio_info);
2076 free(target->cmd_name);
2077 free(target);
2078 }
2079
2080 void target_quit(void)
2081 {
2082 struct target_event_callback *pe = target_event_callbacks;
2083 while (pe) {
2084 struct target_event_callback *t = pe->next;
2085 free(pe);
2086 pe = t;
2087 }
2088 target_event_callbacks = NULL;
2089
2090 struct target_timer_callback *pt = target_timer_callbacks;
2091 while (pt) {
2092 struct target_timer_callback *t = pt->next;
2093 free(pt);
2094 pt = t;
2095 }
2096 target_timer_callbacks = NULL;
2097
2098 for (struct target *target = all_targets; target;) {
2099 struct target *tmp;
2100
2101 tmp = target->next;
2102 target_destroy(target);
2103 target = tmp;
2104 }
2105
2106 all_targets = NULL;
2107 }
2108
2109 int target_arch_state(struct target *target)
2110 {
2111 int retval;
2112 if (target == NULL) {
2113 LOG_WARNING("No target has been configured");
2114 return ERROR_OK;
2115 }
2116
2117 if (target->state != TARGET_HALTED)
2118 return ERROR_OK;
2119
2120 retval = target->type->arch_state(target);
2121 return retval;
2122 }
2123
2124 static int target_get_gdb_fileio_info_default(struct target *target,
2125 struct gdb_fileio_info *fileio_info)
2126 {
2127 /* If target does not support semi-hosting function, target
2128 has no need to provide .get_gdb_fileio_info callback.
2129 It just return ERROR_FAIL and gdb_server will return "Txx"
2130 as target halted every time. */
2131 return ERROR_FAIL;
2132 }
2133
2134 static int target_gdb_fileio_end_default(struct target *target,
2135 int retcode, int fileio_errno, bool ctrl_c)
2136 {
2137 return ERROR_OK;
2138 }
2139
2140 int target_profiling_default(struct target *target, uint32_t *samples,
2141 uint32_t max_num_samples, uint32_t *num_samples, uint32_t seconds)
2142 {
2143 struct timeval timeout, now;
2144
2145 gettimeofday(&timeout, NULL);
2146 timeval_add_time(&timeout, seconds, 0);
2147
2148 LOG_INFO("Starting profiling. Halting and resuming the"
2149 " target as often as we can...");
2150
2151 uint32_t sample_count = 0;
2152 /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
2153 struct reg *reg = register_get_by_name(target->reg_cache, "pc", 1);
2154
2155 int retval = ERROR_OK;
2156 for (;;) {
2157 target_poll(target);
2158 if (target->state == TARGET_HALTED) {
2159 uint32_t t = buf_get_u32(reg->value, 0, 32);
2160 samples[sample_count++] = t;
2161 /* current pc, addr = 0, do not handle breakpoints, not debugging */
2162 retval = target_resume(target, 1, 0, 0, 0);
2163 target_poll(target);
2164 alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
2165 } else if (target->state == TARGET_RUNNING) {
2166 /* We want to quickly sample the PC. */
2167 retval = target_halt(target);
2168 } else {
2169 LOG_INFO("Target not halted or running");
2170 retval = ERROR_OK;
2171 break;
2172 }
2173
2174 if (retval != ERROR_OK)
2175 break;
2176
2177 gettimeofday(&now, NULL);
2178 if ((sample_count >= max_num_samples) || timeval_compare(&now, &timeout) >= 0) {
2179 LOG_INFO("Profiling completed. %" PRIu32 " samples.", sample_count);
2180 break;
2181 }
2182 }
2183
2184 *num_samples = sample_count;
2185 return retval;
2186 }
2187
2188 /* Single aligned words are guaranteed to use 16 or 32 bit access
2189 * mode respectively, otherwise data is handled as quickly as
2190 * possible
2191 */
2192 int target_write_buffer(struct target *target, target_addr_t address, uint32_t size, const uint8_t *buffer)
2193 {
2194 LOG_DEBUG("writing buffer of %" PRIu32 " byte at " TARGET_ADDR_FMT,
2195 size, address);
2196
2197 if (!target_was_examined(target)) {
2198 LOG_ERROR("Target not examined yet");
2199 return ERROR_FAIL;
2200 }
2201
2202 if (size == 0)
2203 return ERROR_OK;
2204
2205 if ((address + size - 1) < address) {
2206 /* GDB can request this when e.g. PC is 0xfffffffc */
2207 LOG_ERROR("address + size wrapped (" TARGET_ADDR_FMT ", 0x%08" PRIx32 ")",
2208 address,
2209 size);
2210 return ERROR_FAIL;
2211 }
2212
2213 return target->type->write_buffer(target, address, size, buffer);
2214 }
2215
2216 static int target_write_buffer_default(struct target *target,
2217 target_addr_t address, uint32_t count, const uint8_t *buffer)
2218 {
2219 uint32_t size;
2220
2221 /* Align up to maximum 4 bytes. The loop condition makes sure the next pass
2222 * will have something to do with the size we leave to it. */
2223 for (size = 1; size < 4 && count >= size * 2 + (address & size); size *= 2) {
2224 if (address & size) {
2225 int retval = target_write_memory(target, address, size, 1, buffer);
2226 if (retval != ERROR_OK)
2227 return retval;
2228 address += size;
2229 count -= size;
2230 buffer += size;
2231 }
2232 }
2233
2234 /* Write the data with as large access size as possible. */
2235 for (; size > 0; size /= 2) {
2236 uint32_t aligned = count - count % size;
2237 if (aligned > 0) {
2238 int retval = target_write_memory(target, address, size, aligned / size, buffer);
2239 if (retval != ERROR_OK)
2240 return retval;
2241 address += aligned;
2242 count -= aligned;
2243 buffer += aligned;
2244 }
2245 }
2246
2247 return ERROR_OK;
2248 }
2249
2250 /* Single aligned words are guaranteed to use 16 or 32 bit access
2251 * mode respectively, otherwise data is handled as quickly as
2252 * possible
2253 */
2254 int target_read_buffer(struct target *target, target_addr_t address, uint32_t size, uint8_t *buffer)
2255 {
2256 LOG_DEBUG("reading buffer of %" PRIu32 " byte at " TARGET_ADDR_FMT,
2257 size, address);
2258
2259 if (!target_was_examined(target)) {
2260 LOG_ERROR("Target not examined yet");
2261 return ERROR_FAIL;
2262 }
2263
2264 if (size == 0)
2265 return ERROR_OK;
2266
2267 if ((address + size - 1) < address) {
2268 /* GDB can request this when e.g. PC is 0xfffffffc */
2269 LOG_ERROR("address + size wrapped (" TARGET_ADDR_FMT ", 0x%08" PRIx32 ")",
2270 address,
2271 size);
2272 return ERROR_FAIL;
2273 }
2274
2275 return target->type->read_buffer(target, address, size, buffer);
2276 }
2277
2278 static int target_read_buffer_default(struct target *target, target_addr_t address, uint32_t count, uint8_t *buffer)
2279 {
2280 uint32_t size;
2281
2282 /* Align up to maximum 4 bytes. The loop condition makes sure the next pass
2283 * will have something to do with the size we leave to it. */
2284 for (size = 1; size < 4 && count >= size * 2 + (address & size); size *= 2) {
2285 if (address & size) {
2286 int retval = target_read_memory(target, address, size, 1, buffer);
2287 if (retval != ERROR_OK)
2288 return retval;
2289 address += size;
2290 count -= size;
2291 buffer += size;
2292 }
2293 }
2294
2295 /* Read the data with as large access size as possible. */
2296 for (; size > 0; size /= 2) {
2297 uint32_t aligned = count - count % size;
2298 if (aligned > 0) {
2299 int retval = target_read_memory(target, address, size, aligned / size, buffer);
2300 if (retval != ERROR_OK)
2301 return retval;
2302 address += aligned;
2303 count -= aligned;
2304 buffer += aligned;
2305 }
2306 }
2307
2308 return ERROR_OK;
2309 }
2310
2311 int target_checksum_memory(struct target *target, target_addr_t address, uint32_t size, uint32_t *crc)
2312 {
2313 uint8_t *buffer;
2314 int retval;
2315 uint32_t i;
2316 uint32_t checksum = 0;
2317 if (!target_was_examined(target)) {
2318 LOG_ERROR("Target not examined yet");
2319 return ERROR_FAIL;
2320 }
2321
2322 retval = target->type->checksum_memory(target, address, size, &checksum);
2323 if (retval != ERROR_OK) {
2324 buffer = malloc(size);
2325 if (buffer == NULL) {
2326 LOG_ERROR("error allocating buffer for section (%" PRIu32 " bytes)", size);
2327 return ERROR_COMMAND_SYNTAX_ERROR;
2328 }
2329 retval = target_read_buffer(target, address, size, buffer);
2330 if (retval != ERROR_OK) {
2331 free(buffer);
2332 return retval;
2333 }
2334
2335 /* convert to target endianness */
2336 for (i = 0; i < (size/sizeof(uint32_t)); i++) {
2337 uint32_t target_data;
2338 target_data = target_buffer_get_u32(target, &buffer[i*sizeof(uint32_t)]);
2339 target_buffer_set_u32(target, &buffer[i*sizeof(uint32_t)], target_data);
2340 }
2341
2342 retval = image_calculate_checksum(buffer, size, &checksum);
2343 free(buffer);
2344 }
2345
2346 *crc = checksum;
2347
2348 return retval;
2349 }
2350
2351 int target_blank_check_memory(struct target *target,
2352 struct target_memory_check_block *blocks, int num_blocks,
2353 uint8_t erased_value)
2354 {
2355 if (!target_was_examined(target)) {
2356 LOG_ERROR("Target not examined yet");
2357 return ERROR_FAIL;
2358 }
2359
2360 if (target->type->blank_check_memory == NULL)
2361 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
2362
2363 return target->type->blank_check_memory(target, blocks, num_blocks, erased_value);
2364 }
2365
2366 int target_read_u64(struct target *target, target_addr_t address, uint64_t *value)
2367 {
2368 uint8_t value_buf[8];
2369 if (!target_was_examined(target)) {
2370 LOG_ERROR("Target not examined yet");
2371 return ERROR_FAIL;
2372 }
2373
2374 int retval = target_read_memory(target, address, 8, 1, value_buf);
2375
2376 if (retval == ERROR_OK) {
2377 *value = target_buffer_get_u64(target, value_buf);
2378 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%16.16" PRIx64 "",
2379 address,
2380 *value);
2381 } else {
2382 *value = 0x0;
2383 LOG_DEBUG("address: " TARGET_ADDR_FMT " failed",
2384 address);
2385 }
2386
2387 return retval;
2388 }
2389
2390 int target_read_u32(struct target *target, target_addr_t address, uint32_t *value)
2391 {
2392 uint8_t value_buf[4];
2393 if (!target_was_examined(target)) {
2394 LOG_ERROR("Target not examined yet");
2395 return ERROR_FAIL;
2396 }
2397
2398 int retval = target_read_memory(target, address, 4, 1, value_buf);
2399
2400 if (retval == ERROR_OK) {
2401 *value = target_buffer_get_u32(target, value_buf);
2402 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%8.8" PRIx32 "",
2403 address,
2404 *value);
2405 } else {
2406 *value = 0x0;
2407 LOG_DEBUG("address: " TARGET_ADDR_FMT " failed",
2408 address);
2409 }
2410
2411 return retval;
2412 }
2413
2414 int target_read_u16(struct target *target, target_addr_t address, uint16_t *value)
2415 {
2416 uint8_t value_buf[2];
2417 if (!target_was_examined(target)) {
2418 LOG_ERROR("Target not examined yet");
2419 return ERROR_FAIL;
2420 }
2421
2422 int retval = target_read_memory(target, address, 2, 1, value_buf);
2423
2424 if (retval == ERROR_OK) {
2425 *value = target_buffer_get_u16(target, value_buf);
2426 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%4.4" PRIx16,
2427 address,
2428 *value);
2429 } else {
2430 *value = 0x0;
2431 LOG_DEBUG("address: " TARGET_ADDR_FMT " failed",
2432 address);
2433 }
2434
2435 return retval;
2436 }
2437
2438 int target_read_u8(struct target *target, target_addr_t address, uint8_t *value)
2439 {
2440 if (!target_was_examined(target)) {
2441 LOG_ERROR("Target not examined yet");
2442 return ERROR_FAIL;
2443 }
2444
2445 int retval = target_read_memory(target, address, 1, 1, value);
2446
2447 if (retval == ERROR_OK) {
2448 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%2.2" PRIx8,
2449 address,
2450 *value);
2451 } else {
2452 *value = 0x0;
2453 LOG_DEBUG("address: " TARGET_ADDR_FMT " failed",
2454 address);
2455 }
2456
2457 return retval;
2458 }
2459
2460 int target_write_u64(struct target *target, target_addr_t address, uint64_t value)
2461 {
2462 int retval;
2463 uint8_t value_buf[8];
2464 if (!target_was_examined(target)) {
2465 LOG_ERROR("Target not examined yet");
2466 return ERROR_FAIL;
2467 }
2468
2469 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%16.16" PRIx64 "",
2470 address,
2471 value);
2472
2473 target_buffer_set_u64(target, value_buf, value);
2474 retval = target_write_memory(target, address, 8, 1, value_buf);
2475 if (retval != ERROR_OK)
2476 LOG_DEBUG("failed: %i", retval);
2477
2478 return retval;
2479 }
2480
2481 int target_write_u32(struct target *target, target_addr_t address, uint32_t value)
2482 {
2483 int retval;
2484 uint8_t value_buf[4];
2485 if (!target_was_examined(target)) {
2486 LOG_ERROR("Target not examined yet");
2487 return ERROR_FAIL;
2488 }
2489
2490 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%8.8" PRIx32 "",
2491 address,
2492 value);
2493
2494 target_buffer_set_u32(target, value_buf, value);
2495 retval = target_write_memory(target, address, 4, 1, value_buf);
2496 if (retval != ERROR_OK)
2497 LOG_DEBUG("failed: %i", retval);
2498
2499 return retval;
2500 }
2501
2502 int target_write_u16(struct target *target, target_addr_t address, uint16_t value)
2503 {
2504 int retval;
2505 uint8_t value_buf[2];
2506 if (!target_was_examined(target)) {
2507 LOG_ERROR("Target not examined yet");
2508 return ERROR_FAIL;
2509 }
2510
2511 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%8.8" PRIx16,
2512 address,
2513 value);
2514
2515 target_buffer_set_u16(target, value_buf, value);
2516 retval = target_write_memory(target, address, 2, 1, value_buf);
2517 if (retval != ERROR_OK)
2518 LOG_DEBUG("failed: %i", retval);
2519
2520 return retval;
2521 }
2522
2523 int target_write_u8(struct target *target, target_addr_t address, uint8_t value)
2524 {
2525 int retval;
2526 if (!target_was_examined(target)) {
2527 LOG_ERROR("Target not examined yet");
2528 return ERROR_FAIL;
2529 }
2530
2531 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%2.2" PRIx8,
2532 address, value);
2533
2534 retval = target_write_memory(target, address, 1, 1, &value);
2535 if (retval != ERROR_OK)
2536 LOG_DEBUG("failed: %i", retval);
2537
2538 return retval;
2539 }
2540
2541 int target_write_phys_u64(struct target *target, target_addr_t address, uint64_t value)
2542 {
2543 int retval;
2544 uint8_t value_buf[8];
2545 if (!target_was_examined(target)) {
2546 LOG_ERROR("Target not examined yet");
2547 return ERROR_FAIL;
2548 }
2549
2550 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%16.16" PRIx64 "",
2551 address,
2552 value);
2553
2554 target_buffer_set_u64(target, value_buf, value);
2555 retval = target_write_phys_memory(target, address, 8, 1, value_buf);
2556 if (retval != ERROR_OK)
2557 LOG_DEBUG("failed: %i", retval);
2558
2559 return retval;
2560 }
2561
2562 int target_write_phys_u32(struct target *target, target_addr_t address, uint32_t value)
2563 {
2564 int retval;
2565 uint8_t value_buf[4];
2566 if (!target_was_examined(target)) {
2567 LOG_ERROR("Target not examined yet");
2568 return ERROR_FAIL;
2569 }
2570
2571 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%8.8" PRIx32 "",
2572 address,
2573 value);
2574
2575 target_buffer_set_u32(target, value_buf, value);
2576 retval = target_write_phys_memory(target, address, 4, 1, value_buf);
2577 if (retval != ERROR_OK)
2578 LOG_DEBUG("failed: %i", retval);
2579
2580 return retval;
2581 }
2582
2583 int target_write_phys_u16(struct target *target, target_addr_t address, uint16_t value)
2584 {
2585 int retval;
2586 uint8_t value_buf[2];
2587 if (!target_was_examined(target)) {
2588 LOG_ERROR("Target not examined yet");
2589 return ERROR_FAIL;
2590 }
2591
2592 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%8.8" PRIx16,
2593 address,
2594 value);
2595
2596 target_buffer_set_u16(target, value_buf, value);
2597 retval = target_write_phys_memory(target, address, 2, 1, value_buf);
2598 if (retval != ERROR_OK)
2599 LOG_DEBUG("failed: %i", retval);
2600
2601 return retval;
2602 }
2603
2604 int target_write_phys_u8(struct target *target, target_addr_t address, uint8_t value)
2605 {
2606 int retval;
2607 if (!target_was_examined(target)) {
2608 LOG_ERROR("Target not examined yet");
2609 return ERROR_FAIL;
2610 }
2611
2612 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%2.2" PRIx8,
2613 address, value);
2614
2615 retval = target_write_phys_memory(target, address, 1, 1, &value);
2616 if (retval != ERROR_OK)
2617 LOG_DEBUG("failed: %i", retval);
2618
2619 return retval;
2620 }
2621
2622 static int find_target(struct command_invocation *cmd, const char *name)
2623 {
2624 struct target *target = get_target(name);
2625 if (target == NULL) {
2626 command_print(cmd, "Target: %s is unknown, try one of:\n", name);
2627 return ERROR_FAIL;
2628 }
2629 if (!target->tap->enabled) {
2630 command_print(cmd, "Target: TAP %s is disabled, "
2631 "can't be the current target\n",
2632 target->tap->dotted_name);
2633 return ERROR_FAIL;
2634 }
2635
2636 cmd->ctx->current_target = target;
2637 if (cmd->ctx->current_target_override)
2638 cmd->ctx->current_target_override = target;
2639
2640 return ERROR_OK;
2641 }
2642
2643
2644 COMMAND_HANDLER(handle_targets_command)
2645 {
2646 int retval = ERROR_OK;
2647 if (CMD_ARGC == 1) {
2648 retval = find_target(CMD, CMD_ARGV[0]);
2649 if (retval == ERROR_OK) {
2650 /* we're done! */
2651 return retval;
2652 }
2653 }
2654
2655 struct target *target = all_targets;
2656 command_print(CMD, " TargetName Type Endian TapName State ");
2657 command_print(CMD, "-- ------------------ ---------- ------ ------------------ ------------");
2658 while (target) {
2659 const char *state;
2660 char marker = ' ';
2661
2662 if (target->tap->enabled)
2663 state = target_state_name(target);
2664 else
2665 state = "tap-disabled";
2666
2667 if (CMD_CTX->current_target == target)
2668 marker = '*';
2669
2670 /* keep columns lined up to match the headers above */
2671 command_print(CMD,
2672 "%2d%c %-18s %-10s %-6s %-18s %s",
2673 target->target_number,
2674 marker,
2675 target_name(target),
2676 target_type_name(target),
2677 Jim_Nvp_value2name_simple(nvp_target_endian,
2678 target->endianness)->name,
2679 target->tap->dotted_name,
2680 state);
2681 target = target->next;
2682 }
2683
2684 return retval;
2685 }
2686
2687 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
2688
2689 static int powerDropout;
2690 static int srstAsserted;
2691
2692 static int runPowerRestore;
2693 static int runPowerDropout;
2694 static int runSrstAsserted;
2695 static int runSrstDeasserted;
2696
2697 static int sense_handler(void)
2698 {
2699 static int prevSrstAsserted;
2700 static int prevPowerdropout;
2701
2702 int retval = jtag_power_dropout(&powerDropout);
2703 if (retval != ERROR_OK)
2704 return retval;
2705
2706 int powerRestored;
2707 powerRestored = prevPowerdropout && !powerDropout;
2708 if (powerRestored)
2709 runPowerRestore = 1;
2710
2711 int64_t current = timeval_ms();
2712 static int64_t lastPower;
2713 bool waitMore = lastPower + 2000 > current;
2714 if (powerDropout && !waitMore) {
2715 runPowerDropout = 1;
2716 lastPower = current;
2717 }
2718
2719 retval = jtag_srst_asserted(&srstAsserted);
2720 if (retval != ERROR_OK)
2721 return retval;
2722
2723 int srstDeasserted;
2724 srstDeasserted = prevSrstAsserted && !srstAsserted;
2725
2726 static int64_t lastSrst;
2727 waitMore = lastSrst + 2000 > current;
2728 if (srstDeasserted && !waitMore) {
2729 runSrstDeasserted = 1;
2730 lastSrst = current;
2731 }
2732
2733 if (!prevSrstAsserted && srstAsserted)
2734 runSrstAsserted = 1;
2735
2736 prevSrstAsserted = srstAsserted;
2737 prevPowerdropout = powerDropout;
2738
2739 if (srstDeasserted || powerRestored) {
2740 /* Other than logging the event we can't do anything here.
2741 * Issuing a reset is a particularly bad idea as we might
2742 * be inside a reset already.
2743 */
2744 }
2745
2746 return ERROR_OK;
2747 }
2748
2749 /* process target state changes */
2750 static int handle_target(void *priv)
2751 {
2752 Jim_Interp *interp = (Jim_Interp *)priv;
2753 int retval = ERROR_OK;
2754
2755 if (!is_jtag_poll_safe()) {
2756 /* polling is disabled currently */
2757 return ERROR_OK;
2758 }
2759
2760 /* we do not want to recurse here... */
2761 static int recursive;
2762 if (!recursive) {
2763 recursive = 1;
2764 sense_handler();
2765 /* danger! running these procedures can trigger srst assertions and power dropouts.
2766 * We need to avoid an infinite loop/recursion here and we do that by
2767 * clearing the flags after running these events.
2768 */
2769 int did_something = 0;
2770 if (runSrstAsserted) {
2771 LOG_INFO("srst asserted detected, running srst_asserted proc.");
2772 Jim_Eval(interp, "srst_asserted");
2773 did_something = 1;
2774 }
2775 if (runSrstDeasserted) {
2776 Jim_Eval(interp, "srst_deasserted");
2777 did_something = 1;
2778 }
2779 if (runPowerDropout) {
2780 LOG_INFO("Power dropout detected, running power_dropout proc.");
2781 Jim_Eval(interp, "power_dropout");
2782 did_something = 1;
2783 }
2784 if (runPowerRestore) {
2785 Jim_Eval(interp, "power_restore");
2786 did_something = 1;
2787 }
2788
2789 if (did_something) {
2790 /* clear detect flags */
2791 sense_handler();
2792 }
2793
2794 /* clear action flags */
2795
2796 runSrstAsserted = 0;
2797 runSrstDeasserted = 0;
2798 runPowerRestore = 0;
2799 runPowerDropout = 0;
2800
2801 recursive = 0;
2802 }
2803
2804 /* Poll targets for state changes unless that's globally disabled.
2805 * Skip targets that are currently disabled.
2806 */
2807 for (struct target *target = all_targets;
2808 is_jtag_poll_safe() && target;
2809 target = target->next) {
2810
2811 if (!target_was_examined(target))
2812 continue;
2813
2814 if (!target->tap->enabled)
2815 continue;
2816
2817 if (target->backoff.times > target->backoff.count) {
2818 /* do not poll this time as we failed previously */
2819 target->backoff.count++;
2820 continue;
2821 }
2822 target->backoff.count = 0;
2823
2824 /* only poll target if we've got power and srst isn't asserted */
2825 if (!powerDropout && !srstAsserted) {
2826 /* polling may fail silently until the target has been examined */
2827 retval = target_poll(target);
2828 if (retval != ERROR_OK) {
2829 /* 100ms polling interval. Increase interval between polling up to 5000ms */
2830 if (target->backoff.times * polling_interval < 5000) {
2831 target->backoff.times *= 2;
2832 target->backoff.times++;
2833 }
2834
2835 /* Tell GDB to halt the debugger. This allows the user to
2836 * run monitor commands to handle the situation.
2837 */
2838 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
2839 }
2840 if (target->backoff.times > 0) {
2841 LOG_USER("Polling target %s failed, trying to reexamine", target_name(target));
2842 target_reset_examined(target);
2843 retval = target_examine_one(target);
2844 /* Target examination could have failed due to unstable connection,
2845 * but we set the examined flag anyway to repoll it later */
2846 if (retval != ERROR_OK) {
2847 target->examined = true;
2848 LOG_USER("Examination failed, GDB will be halted. Polling again in %dms",
2849 target->backoff.times * polling_interval);
2850 return retval;
2851 }
2852 }
2853
2854 /* Since we succeeded, we reset backoff count */
2855 target->backoff.times = 0;
2856 }
2857 }
2858
2859 return retval;
2860 }
2861
2862 COMMAND_HANDLER(handle_reg_command)
2863 {
2864 struct target *target;
2865 struct reg *reg = NULL;
2866 unsigned count = 0;
2867 char *value;
2868
2869 LOG_DEBUG("-");
2870
2871 target = get_current_target(CMD_CTX);
2872
2873 /* list all available registers for the current target */
2874 if (CMD_ARGC == 0) {
2875 struct reg_cache *cache = target->reg_cache;
2876
2877 count = 0;
2878 while (cache) {
2879 unsigned i;
2880
2881 command_print(CMD, "===== %s", cache->name);
2882
2883 for (i = 0, reg = cache->reg_list;
2884 i < cache->num_regs;
2885 i++, reg++, count++) {
2886 if (reg->exist == false)
2887 continue;
2888 /* only print cached values if they are valid */
2889 if (reg->valid) {
2890 value = buf_to_hex_str(reg->value,
2891 reg->size);
2892 command_print(CMD,
2893 "(%i) %s (/%" PRIu32 "): 0x%s%s",
2894 count, reg->name,
2895 reg->size, value,
2896 reg->dirty
2897 ? " (dirty)"
2898 : "");
2899 free(value);
2900 } else {
2901 command_print(CMD, "(%i) %s (/%" PRIu32 ")",
2902 count, reg->name,
2903 reg->size);
2904 }
2905 }
2906 cache = cache->next;
2907 }
2908
2909 return ERROR_OK;
2910 }
2911
2912 /* access a single register by its ordinal number */
2913 if ((CMD_ARGV[0][0] >= '0') && (CMD_ARGV[0][0] <= '9')) {
2914 unsigned num;
2915 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], num);
2916
2917 struct reg_cache *cache = target->reg_cache;
2918 count = 0;
2919 while (cache) {
2920 unsigned i;
2921 for (i = 0; i < cache->num_regs; i++) {
2922 if (count++ == num) {
2923 reg = &cache->reg_list[i];
2924 break;
2925 }
2926 }
2927 if (reg)
2928 break;
2929 cache = cache->next;
2930 }
2931
2932 if (!reg) {
2933 command_print(CMD, "%i is out of bounds, the current target "
2934 "has only %i registers (0 - %i)", num, count, count - 1);
2935 return ERROR_OK;
2936 }
2937 } else {
2938 /* access a single register by its name */
2939 reg = register_get_by_name(target->reg_cache, CMD_ARGV[0], 1);
2940
2941 if (!reg)
2942 goto not_found;
2943 }
2944
2945 assert(reg != NULL); /* give clang a hint that we *know* reg is != NULL here */
2946
2947 if (!reg->exist)
2948 goto not_found;
2949
2950 /* display a register */
2951 if ((CMD_ARGC == 1) || ((CMD_ARGC == 2) && !((CMD_ARGV[1][0] >= '0')
2952 && (CMD_ARGV[1][0] <= '9')))) {
2953 if ((CMD_ARGC == 2) && (strcmp(CMD_ARGV[1], "force") == 0))
2954 reg->valid = 0;
2955
2956 if (reg->valid == 0)
2957 reg->type->get(reg);
2958 value = buf_to_hex_str(reg->value, reg->size);
2959 command_print(CMD, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
2960 free(value);
2961 return ERROR_OK;
2962 }
2963
2964 /* set register value */
2965 if (CMD_ARGC == 2) {
2966 uint8_t *buf = malloc(DIV_ROUND_UP(reg->size, 8));
2967 if (buf == NULL)
2968 return ERROR_FAIL;
2969 str_to_buf(CMD_ARGV[1], strlen(CMD_ARGV[1]), buf, reg->size, 0);
2970
2971 reg->type->set(reg, buf);
2972
2973 value = buf_to_hex_str(reg->value, reg->size);
2974 command_print(CMD, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
2975 free(value);
2976
2977 free(buf);
2978
2979 return ERROR_OK;
2980 }
2981
2982 return ERROR_COMMAND_SYNTAX_ERROR;
2983
2984 not_found:
2985 command_print(CMD, "register %s not found in current target", CMD_ARGV[0]);
2986 return ERROR_OK;
2987 }
2988
2989 COMMAND_HANDLER(handle_poll_command)
2990 {
2991 int retval = ERROR_OK;
2992 struct target *target = get_current_target(CMD_CTX);
2993
2994 if (CMD_ARGC == 0) {
2995 command_print(CMD, "background polling: %s",
2996 jtag_poll_get_enabled() ? "on" : "off");
2997 command_print(CMD, "TAP: %s (%s)",
2998 target->tap->dotted_name,
2999 target->tap->enabled ? "enabled" : "disabled");
3000 if (!target->tap->enabled)
3001 return ERROR_OK;
3002 retval = target_poll(target);
3003 if (retval != ERROR_OK)
3004 return retval;
3005 retval = target_arch_state(target);
3006 if (retval != ERROR_OK)
3007 return retval;
3008 } else if (CMD_ARGC == 1) {
3009 bool enable;
3010 COMMAND_PARSE_ON_OFF(CMD_ARGV[0], enable);
3011 jtag_poll_set_enabled(enable);
3012 } else
3013 return ERROR_COMMAND_SYNTAX_ERROR;
3014
3015 return retval;
3016 }
3017
3018 COMMAND_HANDLER(handle_wait_halt_command)
3019 {
3020 if (CMD_ARGC > 1)
3021 return ERROR_COMMAND_SYNTAX_ERROR;
3022
3023 unsigned ms = DEFAULT_HALT_TIMEOUT;
3024 if (1 == CMD_ARGC) {
3025 int retval = parse_uint(CMD_ARGV[0], &ms);
3026 if (ERROR_OK != retval)
3027 return ERROR_COMMAND_SYNTAX_ERROR;
3028 }
3029
3030 struct target *target = get_current_target(CMD_CTX);
3031 return target_wait_state(target, TARGET_HALTED, ms);
3032 }
3033
3034 /* wait for target state to change. The trick here is to have a low
3035 * latency for short waits and not to suck up all the CPU time
3036 * on longer waits.
3037 *
3038 * After 500ms, keep_alive() is invoked
3039 */
3040 int target_wait_state(struct target *target, enum target_state state, int ms)
3041 {
3042 int retval;
3043 int64_t then = 0, cur;
3044 bool once = true;
3045
3046 for (;;) {
3047 retval = target_poll(target);
3048 if (retval != ERROR_OK)
3049 return retval;
3050 if (target->state == state)
3051 break;
3052 cur = timeval_ms();
3053 if (once) {
3054 once = false;
3055 then = timeval_ms();
3056 LOG_DEBUG("waiting for target %s...",
3057 Jim_Nvp_value2name_simple(nvp_target_state, state)->name);
3058 }
3059
3060 if (cur-then > 500)
3061 keep_alive();
3062
3063 if ((cur-then) > ms) {
3064 LOG_ERROR("timed out while waiting for target %s",
3065 Jim_Nvp_value2name_simple(nvp_target_state, state)->name);
3066 return ERROR_FAIL;
3067 }
3068 }
3069
3070 return ERROR_OK;
3071 }
3072
3073 COMMAND_HANDLER(handle_halt_command)
3074 {
3075 LOG_DEBUG("-");
3076
3077 struct target *target = get_current_target(CMD_CTX);
3078
3079 target->verbose_halt_msg = true;
3080
3081 int retval = target_halt(target);
3082 if (ERROR_OK != retval)
3083 return retval;
3084
3085 if (CMD_ARGC == 1) {
3086 unsigned wait_local;
3087 retval = parse_uint(CMD_ARGV[0], &wait_local);
3088 if (ERROR_OK != retval)
3089 return ERROR_COMMAND_SYNTAX_ERROR;
3090 if (!wait_local)
3091 return ERROR_OK;
3092 }
3093
3094 return CALL_COMMAND_HANDLER(handle_wait_halt_command);
3095 }
3096
3097 COMMAND_HANDLER(handle_soft_reset_halt_command)
3098 {
3099 struct target *target = get_current_target(CMD_CTX);
3100
3101 LOG_USER("requesting target halt and executing a soft reset");
3102
3103 target_soft_reset_halt(target);
3104
3105 return ERROR_OK;
3106 }
3107
3108 COMMAND_HANDLER(handle_reset_command)
3109 {
3110 if (CMD_ARGC > 1)
3111 return ERROR_COMMAND_SYNTAX_ERROR;
3112
3113 enum target_reset_mode reset_mode = RESET_RUN;
3114 if (CMD_ARGC == 1) {
3115 const Jim_Nvp *n;
3116 n = Jim_Nvp_name2value_simple(nvp_reset_modes, CMD_ARGV[0]);
3117 if ((n->name == NULL) || (n->value == RESET_UNKNOWN))
3118 return ERROR_COMMAND_SYNTAX_ERROR;
3119 reset_mode = n->value;
3120 }
3121
3122 /* reset *all* targets */
3123 return target_process_reset(CMD, reset_mode);
3124 }
3125
3126
3127 COMMAND_HANDLER(handle_resume_command)
3128 {
3129 int current = 1;
3130 if (CMD_ARGC > 1)
3131 return ERROR_COMMAND_SYNTAX_ERROR;
3132
3133 struct target *target = get_current_target(CMD_CTX);
3134
3135 /* with no CMD_ARGV, resume from current pc, addr = 0,
3136 * with one arguments, addr = CMD_ARGV[0],
3137 * handle breakpoints, not debugging */
3138 target_addr_t addr = 0;
3139 if (CMD_ARGC == 1) {
3140 COMMAND_PARSE_ADDRESS(CMD_ARGV[0], addr);
3141 current = 0;
3142 }
3143
3144 return target_resume(target, current, addr, 1, 0);
3145 }
3146
3147 COMMAND_HANDLER(handle_step_command)
3148 {
3149 if (CMD_ARGC > 1)
3150 return ERROR_COMMAND_SYNTAX_ERROR;
3151
3152 LOG_DEBUG("-");
3153
3154 /* with no CMD_ARGV, step from current pc, addr = 0,
3155 * with one argument addr = CMD_ARGV[0],
3156 * handle breakpoints, debugging */
3157 target_addr_t addr = 0;
3158 int current_pc = 1;
3159 if (CMD_ARGC == 1) {
3160 COMMAND_PARSE_ADDRESS(CMD_ARGV[0], addr);
3161 current_pc = 0;
3162 }
3163
3164 struct target *target = get_current_target(CMD_CTX);
3165
3166 return target_step(target, current_pc, addr, 1);
3167 }
3168
3169 void target_handle_md_output(struct command_invocation *cmd,
3170 struct target *target, target_addr_t address, unsigned size,
3171 unsigned count, const uint8_t *buffer)
3172 {
3173 const unsigned line_bytecnt = 32;
3174 unsigned line_modulo = line_bytecnt / size;
3175
3176 char output[line_bytecnt * 4 + 1];
3177 unsigned output_len = 0;
3178
3179 const char *value_fmt;
3180 switch (size) {
3181 case 8:
3182 value_fmt = "%16.16"PRIx64" ";
3183 break;
3184 case 4:
3185 value_fmt = "%8.8"PRIx64" ";
3186 break;
3187 case 2:
3188 value_fmt = "%4.4"PRIx64" ";
3189 break;
3190 case 1:
3191 value_fmt = "%2.2"PRIx64" ";
3192 break;
3193 default:
3194 /* "can't happen", caller checked */
3195 LOG_ERROR("invalid memory read size: %u", size);
3196 return;
3197 }
3198
3199 for (unsigned i = 0; i < count; i++) {
3200 if (i % line_modulo == 0) {
3201 output_len += snprintf(output + output_len,
3202 sizeof(output) - output_len,
3203 TARGET_ADDR_FMT ": ",
3204 (address + (i * size)));
3205 }
3206
3207 uint64_t value = 0;
3208 const uint8_t *value_ptr = buffer + i * size;
3209 switch (size) {
3210 case 8:
3211 value = target_buffer_get_u64(target, value_ptr);
3212 break;
3213 case 4:
3214 value = target_buffer_get_u32(target, value_ptr);
3215 break;
3216 case 2:
3217 value = target_buffer_get_u16(target, value_ptr);
3218 break;
3219 case 1:
3220 value = *value_ptr;
3221 }
3222 output_len += snprintf(output + output_len,
3223 sizeof(output) - output_len,
3224 value_fmt, value);
3225
3226 if ((i % line_modulo == line_modulo - 1) || (i == count - 1)) {
3227 command_print(cmd, "%s", output);
3228 output_len = 0;
3229 }
3230 }
3231 }
3232
3233 COMMAND_HANDLER(handle_md_command)
3234 {
3235 if (CMD_ARGC < 1)
3236 return ERROR_COMMAND_SYNTAX_ERROR;
3237
3238 unsigned size = 0;
3239 switch (CMD_NAME[2]) {
3240 case 'd':
3241 size = 8;
3242 break;
3243 case 'w':
3244 size = 4;
3245 break;
3246 case 'h':
3247 size = 2;
3248 break;
3249 case 'b':
3250 size = 1;
3251 break;
3252 default:
3253 return ERROR_COMMAND_SYNTAX_ERROR;
3254 }
3255
3256 bool physical = strcmp(CMD_ARGV[0], "phys") == 0;
3257 int (*fn)(struct target *target,
3258 target_addr_t address, uint32_t size_value, uint32_t count, uint8_t *buffer);
3259 if (physical) {
3260 CMD_ARGC--;
3261 CMD_ARGV++;
3262 fn = target_read_phys_memory;
3263 } else
3264 fn = target_read_memory;
3265 if ((CMD_ARGC < 1) || (CMD_ARGC > 2))
3266 return ERROR_COMMAND_SYNTAX_ERROR;
3267
3268 target_addr_t address;
3269 COMMAND_PARSE_ADDRESS(CMD_ARGV[0], address);
3270
3271 unsigned count = 1;
3272 if (CMD_ARGC == 2)
3273 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[1], count);
3274
3275 uint8_t *buffer = calloc(count, size);
3276 if (buffer == NULL) {
3277 LOG_ERROR("Failed to allocate md read buffer");
3278 return ERROR_FAIL;
3279 }
3280
3281 struct target *target = get_current_target(CMD_CTX);
3282 int retval = fn(target, address, size, count, buffer);
3283 if (ERROR_OK == retval)
3284 target_handle_md_output(CMD, target, address, size, count, buffer);
3285
3286 free(buffer);
3287
3288 return retval;
3289 }
3290
3291 typedef int (*target_write_fn)(struct target *target,
3292 target_addr_t address, uint32_t size, uint32_t count, const uint8_t *buffer);
3293
3294 static int target_fill_mem(struct target *target,
3295 target_addr_t address,
3296 target_write_fn fn,
3297 unsigned data_size,
3298 /* value */
3299 uint64_t b,
3300 /* count */
3301 unsigned c)
3302 {
3303 /* We have to write in reasonably large chunks to be able
3304 * to fill large memory areas with any sane speed */
3305 const unsigned chunk_size = 16384;
3306 uint8_t *target_buf = malloc(chunk_size * data_size);
3307 if (target_buf == NULL) {
3308 LOG_ERROR("Out of memory");
3309 return ERROR_FAIL;
3310 }
3311
3312 for (unsigned i = 0; i < chunk_size; i++) {
3313 switch (data_size) {
3314 case 8:
3315 target_buffer_set_u64(target, target_buf + i * data_size, b);
3316 break;
3317 case 4:
3318 target_buffer_set_u32(target, target_buf + i * data_size, b);
3319 break;
3320 case 2:
3321 target_buffer_set_u16(target, target_buf + i * data_size, b);
3322 break;
3323 case 1:
3324 target_buffer_set_u8(target, target_buf + i * data_size, b);
3325 break;
3326 default:
3327 exit(-1);
3328 }
3329 }
3330
3331 int retval = ERROR_OK;
3332
3333 for (unsigned x = 0; x < c; x += chunk_size) {
3334 unsigned current;
3335 current = c - x;
3336 if (current > chunk_size)
3337 current = chunk_size;
3338 retval = fn(target, address + x * data_size, data_size, current, target_buf);
3339 if (retval != ERROR_OK)
3340 break;
3341 /* avoid GDB timeouts */
3342 keep_alive();
3343 }
3344 free(target_buf);
3345
3346 return retval;
3347 }
3348
3349
3350 COMMAND_HANDLER(handle_mw_command)
3351 {
3352 if (CMD_ARGC < 2)
3353 return ERROR_COMMAND_SYNTAX_ERROR;
3354 bool physical = strcmp(CMD_ARGV[0], "phys") == 0;
3355 target_write_fn fn;
3356 if (physical) {
3357 CMD_ARGC--;
3358 CMD_ARGV++;
3359 fn = target_write_phys_memory;
3360 } else
3361 fn = target_write_memory;
3362 if ((CMD_ARGC < 2) || (CMD_ARGC > 3))
3363 return ERROR_COMMAND_SYNTAX_ERROR;
3364
3365 target_addr_t address;
3366 COMMAND_PARSE_ADDRESS(CMD_ARGV[0], address);
3367
3368 uint64_t value;
3369 COMMAND_PARSE_NUMBER(u64, CMD_ARGV[1], value);
3370
3371 unsigned count = 1;
3372 if (CMD_ARGC == 3)
3373 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[2], count);
3374
3375 struct target *target = get_current_target(CMD_CTX);
3376 unsigned wordsize;
3377 switch (CMD_NAME[2]) {
3378 case 'd':
3379 wordsize = 8;
3380 break;
3381 case 'w':
3382 wordsize = 4;
3383 break;
3384 case 'h':
3385 wordsize = 2;
3386 break;
3387 case 'b':
3388 wordsize = 1;
3389 break;
3390 default:
3391 return ERROR_COMMAND_SYNTAX_ERROR;
3392 }
3393
3394 return target_fill_mem(target, address, fn, wordsize, value, count);
3395 }
3396
3397 static COMMAND_HELPER(parse_load_image_command_CMD_ARGV, struct image *image,
3398 target_addr_t *min_address, target_addr_t *max_address)
3399 {
3400 if (CMD_ARGC < 1 || CMD_ARGC > 5)
3401 return ERROR_COMMAND_SYNTAX_ERROR;
3402
3403 /* a base address isn't always necessary,
3404 * default to 0x0 (i.e. don't relocate) */
3405 if (CMD_ARGC >= 2) {
3406 target_addr_t addr;
3407 COMMAND_PARSE_ADDRESS(CMD_ARGV[1], addr);
3408 image->base_address = addr;
3409 image->base_address_set = true;
3410 } else
3411 image->base_address_set = false;
3412
3413 image->start_address_set = false;
3414
3415 if (CMD_ARGC >= 4)
3416 COMMAND_PARSE_ADDRESS(CMD_ARGV[3], *min_address);
3417 if (CMD_ARGC == 5) {
3418 COMMAND_PARSE_ADDRESS(CMD_ARGV[4], *max_address);
3419 /* use size (given) to find max (required) */
3420 *max_address += *min_address;
3421 }
3422
3423 if (*min_address > *max_address)
3424 return ERROR_COMMAND_SYNTAX_ERROR;
3425
3426 return ERROR_OK;
3427 }
3428
3429 COMMAND_HANDLER(handle_load_image_command)
3430 {
3431 uint8_t *buffer;
3432 size_t buf_cnt;
3433 uint32_t image_size;
3434 target_addr_t min_address = 0;
3435 target_addr_t max_address = -1;
3436 struct image image;
3437
3438 int retval = CALL_COMMAND_HANDLER(parse_load_image_command_CMD_ARGV,
3439 &image, &min_address, &max_address);
3440 if (ERROR_OK != retval)
3441 return retval;
3442
3443 struct target *target = get_current_target(CMD_CTX);
3444
3445 struct duration bench;
3446 duration_start(&bench);
3447
3448 if (image_open(&image, CMD_ARGV[0], (CMD_ARGC >= 3) ? CMD_ARGV[2] : NULL) != ERROR_OK)
3449 return ERROR_FAIL;
3450
3451 image_size = 0x0;
3452 retval = ERROR_OK;
3453 for (unsigned int i = 0; i < image.num_sections; i++) {
3454 buffer = malloc(image.sections[i].size);
3455 if (buffer == NULL) {
3456 command_print(CMD,
3457 "error allocating buffer for section (%d bytes)",
3458 (int)(image.sections[i].size));
3459 retval = ERROR_FAIL;
3460 break;
3461 }
3462
3463 retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt);
3464 if (retval != ERROR_OK) {
3465 free(buffer);
3466 break;
3467 }
3468
3469 uint32_t offset = 0;
3470 uint32_t length = buf_cnt;
3471
3472 /* DANGER!!! beware of unsigned comparison here!!! */
3473
3474 if ((image.sections[i].base_address + buf_cnt >= min_address) &&
3475 (image.sections[i].base_address < max_address)) {
3476
3477 if (image.sections[i].base_address < min_address) {
3478 /* clip addresses below */
3479 offset += min_address-image.sections[i].base_address;
3480 length -= offset;
3481 }
3482
3483 if (image.sections[i].base_address + buf_cnt > max_address)
3484 length -= (image.sections[i].base_address + buf_cnt)-max_address;
3485
3486 retval = target_write_buffer(target,
3487 image.sections[i].base_address + offset, length, buffer + offset);
3488 if (retval != ERROR_OK) {
3489 free(buffer);
3490 break;
3491 }
3492 image_size += length;
3493 command_print(CMD, "%u bytes written at address " TARGET_ADDR_FMT "",
3494 (unsigned int)length,
3495 image.sections[i].base_address + offset);
3496 }
3497
3498 free(buffer);
3499 }
3500
3501 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK)) {
3502 command_print(CMD, "downloaded %" PRIu32 " bytes "
3503 "in %fs (%0.3f KiB/s)", image_size,
3504 duration_elapsed(&bench), duration_kbps(&bench, image_size));
3505 }
3506
3507 image_close(&image);
3508
3509 return retval;
3510
3511 }
3512
3513 COMMAND_HANDLER(handle_dump_image_command)
3514 {
3515 struct fileio *fileio;
3516 uint8_t *buffer;
3517 int retval, retvaltemp;
3518 target_addr_t address, size;
3519 struct duration bench;
3520 struct target *target = get_current_target(CMD_CTX);
3521
3522 if (CMD_ARGC != 3)
3523 return ERROR_COMMAND_SYNTAX_ERROR;
3524
3525 COMMAND_PARSE_ADDRESS(CMD_ARGV[1], address);
3526 COMMAND_PARSE_ADDRESS(CMD_ARGV[2], size);
3527
3528 uint32_t buf_size = (size > 4096) ? 4096 : size;
3529 buffer = malloc(buf_size);
3530 if (!buffer)
3531 return ERROR_FAIL;
3532
3533 retval = fileio_open(&fileio, CMD_ARGV[0], FILEIO_WRITE, FILEIO_BINARY);
3534 if (retval != ERROR_OK) {
3535 free(buffer);
3536 return retval;
3537 }
3538
3539 duration_start(&bench);
3540
3541 while (size > 0) {
3542 size_t size_written;
3543 uint32_t this_run_size = (size > buf_size) ? buf_size : size;
3544 retval = target_read_buffer(target, address, this_run_size, buffer);
3545 if (retval != ERROR_OK)
3546 break;
3547
3548 retval = fileio_write(fileio, this_run_size, buffer, &size_written);
3549 if (retval != ERROR_OK)
3550 break;
3551
3552 size -= this_run_size;
3553 address += this_run_size;
3554 }
3555
3556 free(buffer);
3557
3558 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK)) {
3559 size_t filesize;
3560 retval = fileio_size(fileio, &filesize);
3561 if (retval != ERROR_OK)
3562 return retval;
3563 command_print(CMD,
3564 "dumped %zu bytes in %fs (%0.3f KiB/s)", filesize,
3565 duration_elapsed(&bench), duration_kbps(&bench, filesize));
3566 }
3567
3568 retvaltemp = fileio_close(fileio);
3569 if (retvaltemp != ERROR_OK)
3570 return retvaltemp;
3571
3572 return retval;
3573 }
3574
3575 enum verify_mode {
3576 IMAGE_TEST = 0,
3577 IMAGE_VERIFY = 1,
3578 IMAGE_CHECKSUM_ONLY = 2
3579 };
3580
3581 static COMMAND_HELPER(handle_verify_image_command_internal, enum verify_mode verify)
3582 {
3583 uint8_t *buffer;
3584 size_t buf_cnt;
3585 uint32_t image_size;
3586 int retval;
3587 uint32_t checksum = 0;
3588 uint32_t mem_checksum = 0;
3589
3590 struct image image;
3591
3592 struct target *target = get_current_target(CMD_CTX);
3593
3594 if (CMD_ARGC < 1)
3595 return ERROR_COMMAND_SYNTAX_ERROR;
3596
3597 if (!target) {
3598 LOG_ERROR("no target selected");
3599 return ERROR_FAIL;
3600 }
3601
3602 struct duration bench;
3603 duration_start(&bench);
3604
3605 if (CMD_ARGC >= 2) {
3606 target_addr_t addr;
3607 COMMAND_PARSE_ADDRESS(CMD_ARGV[1], addr);
3608 image.base_address = addr;
3609 image.base_address_set = true;
3610 } else {
3611 image.base_address_set = false;
3612 image.base_address = 0x0;
3613 }
3614
3615 image.start_address_set = false;
3616
3617 retval = image_open(&image, CMD_ARGV[0], (CMD_ARGC == 3) ? CMD_ARGV[2] : NULL);
3618 if (retval != ERROR_OK)
3619 return retval;
3620
3621 image_size = 0x0;
3622 int diffs = 0;
3623 retval = ERROR_OK;
3624 for (unsigned int i = 0; i < image.num_sections; i++) {
3625 buffer = malloc(image.sections[i].size);
3626 if (buffer == NULL) {
3627 command_print(CMD,
3628 "error allocating buffer for section (%" PRIu32 " bytes)",
3629 image.sections[i].size);
3630 break;
3631 }
3632 retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt);
3633 if (retval != ERROR_OK) {
3634 free(buffer);
3635 break;
3636 }
3637
3638 if (verify >= IMAGE_VERIFY) {
3639 /* calculate checksum of image */
3640 retval = image_calculate_checksum(buffer, buf_cnt, &checksum);
3641 if (retval != ERROR_OK) {
3642 free(buffer);
3643 break;
3644 }
3645
3646 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
3647 if (retval != ERROR_OK) {
3648 free(buffer);
3649 break;
3650 }
3651 if ((checksum != mem_checksum) && (verify == IMAGE_CHECKSUM_ONLY)) {
3652 LOG_ERROR("checksum mismatch");
3653 free(buffer);
3654 retval = ERROR_FAIL;
3655 goto done;
3656 }
3657 if (checksum != mem_checksum) {
3658 /* failed crc checksum, fall back to a binary compare */
3659 uint8_t *data;
3660
3661 if (diffs == 0)
3662 LOG_ERROR("checksum mismatch - attempting binary compare");
3663
3664 data = malloc(buf_cnt);
3665
3666 retval = target_read_buffer(target, image.sections[i].base_address, buf_cnt, data);
3667 if (retval == ERROR_OK) {
3668 uint32_t t;
3669 for (t = 0; t < buf_cnt; t++) {
3670 if (data[t] != buffer[t]) {
3671 command_print(CMD,
3672 "diff %d address 0x%08x. Was 0x%02x instead of 0x%02x",
3673 diffs,
3674 (unsigned)(t + image.sections[i].base_address),
3675 data[t],
3676 buffer[t]);
3677 if (diffs++ >= 127) {
3678 command_print(CMD, "More than 128 errors, the rest are not printed.");
3679 free(data);
3680 free(buffer);
3681 goto done;
3682 }
3683 }
3684 keep_alive();
3685 }
3686 }
3687 free(data);
3688 }
3689 } else {
3690 command_print(CMD, "address " TARGET_ADDR_FMT " length 0x%08zx",
3691 image.sections[i].base_address,
3692 buf_cnt);
3693 }
3694
3695 free(buffer);
3696 image_size += buf_cnt;
3697 }
3698 if (diffs > 0)
3699 command_print(CMD, "No more differences found.");
3700 done:
3701 if (diffs > 0)
3702 retval = ERROR_FAIL;
3703 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK)) {
3704 command_print(CMD, "verified %" PRIu32 " bytes "
3705 "in %fs (%0.3f KiB/s)", image_size,
3706 duration_elapsed(&bench), duration_kbps(&bench, image_size));
3707 }
3708
3709 image_close(&image);
3710
3711 return retval;
3712 }
3713
3714 COMMAND_HANDLER(handle_verify_image_checksum_command)
3715 {
3716 return CALL_COMMAND_HANDLER(handle_verify_image_command_internal, IMAGE_CHECKSUM_ONLY);
3717 }
3718
3719 COMMAND_HANDLER(handle_verify_image_command)
3720 {
3721 return CALL_COMMAND_HANDLER(handle_verify_image_command_internal, IMAGE_VERIFY);
3722 }
3723
3724 COMMAND_HANDLER(handle_test_image_command)
3725 {
3726 return CALL_COMMAND_HANDLER(handle_verify_image_command_internal, IMAGE_TEST);
3727 }
3728
3729 static int handle_bp_command_list(struct command_invocation *cmd)
3730 {
3731 struct target *target = get_current_target(cmd->ctx);
3732 struct breakpoint *breakpoint = target->breakpoints;
3733 while (breakpoint) {
3734 if (breakpoint->type == BKPT_SOFT) {
3735 char *buf = buf_to_hex_str(breakpoint->orig_instr,
3736 breakpoint->length);
3737 command_print(cmd, "IVA breakpoint: " TARGET_ADDR_FMT ", 0x%x, %i, 0x%s",
3738 breakpoint->address,
3739 breakpoint->length,
3740 breakpoint->set, buf);
3741 free(buf);
3742 } else {
3743 if ((breakpoint->address == 0) && (breakpoint->asid != 0))
3744 command_print(cmd, "Context breakpoint: 0x%8.8" PRIx32 ", 0x%x, %i",
3745 breakpoint->asid,
3746 breakpoint->length, breakpoint->set);
3747 else if ((breakpoint->address != 0) && (breakpoint->asid != 0)) {
3748 command_print(cmd, "Hybrid breakpoint(IVA): " TARGET_ADDR_FMT ", 0x%x, %i",
3749 breakpoint->address,
3750 breakpoint->length, breakpoint->set);
3751 command_print(cmd, "\t|--->linked with ContextID: 0x%8.8" PRIx32,
3752 breakpoint->asid);
3753 } else
3754 command_print(cmd, "Breakpoint(IVA): " TARGET_ADDR_FMT ", 0x%x, %i",
3755 breakpoint->address,
3756 breakpoint->length, breakpoint->set);
3757 }
3758
3759 breakpoint = breakpoint->next;
3760 }
3761 return ERROR_OK;
3762 }
3763
3764 static int handle_bp_command_set(struct command_invocation *cmd,
3765 target_addr_t addr, uint32_t asid, uint32_t length, int hw)
3766 {
3767 struct target *target = get_current_target(cmd->ctx);
3768 int retval;
3769
3770 if (asid == 0) {
3771 retval = breakpoint_add(target, addr, length, hw);
3772 /* error is always logged in breakpoint_add(), do not print it again */
3773 if (ERROR_OK == retval)
3774 command_print(cmd, "breakpoint set at " TARGET_ADDR_FMT "", addr);
3775
3776 } else if (addr == 0) {
3777 if (target->type->add_context_breakpoint == NULL) {
3778 LOG_ERROR("Context breakpoint not available");
3779 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
3780 }
3781 retval = context_breakpoint_add(target, asid, length, hw);
3782 /* error is always logged in context_breakpoint_add(), do not print it again */
3783 if (ERROR_OK == retval)
3784 command_print(cmd, "Context breakpoint set at 0x%8.8" PRIx32 "", asid);
3785
3786 } else {
3787 if (target->type->add_hybrid_breakpoint == NULL) {
3788 LOG_ERROR("Hybrid breakpoint not available");
3789 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
3790 }
3791 retval = hybrid_breakpoint_add(target, addr, asid, length, hw);
3792 /* error is always logged in hybrid_breakpoint_add(), do not print it again */
3793 if (ERROR_OK == retval)
3794 command_print(cmd, "Hybrid breakpoint set at 0x%8.8" PRIx32 "", asid);
3795 }
3796 return retval;
3797 }
3798
3799 COMMAND_HANDLER(handle_bp_command)
3800 {
3801 target_addr_t addr;
3802 uint32_t asid;
3803 uint32_t length;
3804 int hw = BKPT_SOFT;
3805
3806 switch (CMD_ARGC) {
3807 case 0:
3808 return handle_bp_command_list(CMD);
3809
3810 case 2:
3811 asid = 0;
3812 COMMAND_PARSE_ADDRESS(CMD_ARGV[0], addr);
3813 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
3814 return handle_bp_command_set(CMD, addr, asid, length, hw);
3815
3816 case 3:
3817 if (strcmp(CMD_ARGV[2], "hw") == 0) {
3818 hw = BKPT_HARD;
3819 COMMAND_PARSE_ADDRESS(CMD_ARGV[0], addr);
3820 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
3821 asid = 0;
3822 return handle_bp_command_set(CMD, addr, asid, length, hw);
3823 } else if (strcmp(CMD_ARGV[2], "hw_ctx") == 0) {
3824 hw = BKPT_HARD;
3825 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], asid);
3826 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
3827 addr = 0;
3828 return handle_bp_command_set(CMD, addr, asid, length, hw);
3829 }
3830 /* fallthrough */
3831 case 4:
3832 hw = BKPT_HARD;
3833 COMMAND_PARSE_ADDRESS(CMD_ARGV[0], addr);
3834 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], asid);
3835 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], length);
3836 return handle_bp_command_set(CMD, addr, asid, length, hw);
3837
3838 default:
3839 return ERROR_COMMAND_SYNTAX_ERROR;
3840 }
3841 }
3842
3843 COMMAND_HANDLER(handle_rbp_command)
3844 {
3845 if (CMD_ARGC != 1)
3846 return ERROR_COMMAND_SYNTAX_ERROR;
3847
3848 struct target *target = get_current_target(CMD_CTX);
3849
3850 if (!strcmp(CMD_ARGV[0], "all")) {
3851 breakpoint_remove_all(target);
3852 } else {
3853 target_addr_t addr;
3854 COMMAND_PARSE_ADDRESS(CMD_ARGV[0], addr);
3855
3856 breakpoint_remove(target, addr);
3857 }
3858
3859 return ERROR_OK;
3860 }
3861
3862 COMMAND_HANDLER(handle_wp_command)
3863 {
3864 struct target *target = get_current_target(CMD_CTX);
3865
3866 if (CMD_ARGC == 0) {
3867 struct watchpoint *watchpoint = target->watchpoints;
3868
3869 while (watchpoint) {
3870 command_print(CMD, "address: " TARGET_ADDR_FMT
3871 ", len: 0x%8.8" PRIx32
3872 ", r/w/a: %i, value: 0x%8.8" PRIx32
3873 ", mask: 0x%8.8" PRIx32,
3874 watchpoint->address,
3875 watchpoint->length,
3876 (int)watchpoint->rw,
3877 watchpoint->value,
3878 watchpoint->mask);
3879 watchpoint = watchpoint->next;
3880 }
3881 return ERROR_OK;
3882 }
3883
3884 enum watchpoint_rw type = WPT_ACCESS;
3885 uint32_t addr = 0;
3886 uint32_t length = 0;
3887 uint32_t data_value = 0x0;
3888 uint32_t data_mask = 0xffffffff;
3889
3890 switch (CMD_ARGC) {
3891 case 5:
3892 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[4], data_mask);
3893 /* fall through */
3894 case 4:
3895 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[3], data_value);
3896 /* fall through */
3897 case 3:
3898 switch (CMD_ARGV[2][0]) {
3899 case 'r':
3900 type = WPT_READ;
3901 break;
3902 case 'w':
3903 type = WPT_WRITE;
3904 break;
3905 case 'a':
3906 type = WPT_ACCESS;
3907 break;
3908 default:
3909 LOG_ERROR("invalid watchpoint mode ('%c')", CMD_ARGV[2][0]);
3910 return ERROR_COMMAND_SYNTAX_ERROR;
3911 }
3912 /* fall through */
3913 case 2:
3914 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
3915 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
3916 break;
3917
3918 default:
3919 return ERROR_COMMAND_SYNTAX_ERROR;
3920 }
3921
3922 int retval = watchpoint_add(target, addr, length, type,
3923 data_value, data_mask);
3924 if (ERROR_OK != retval)
3925 LOG_ERROR("Failure setting watchpoints");
3926
3927 return retval;
3928 }
3929
3930 COMMAND_HANDLER(handle_rwp_command)
3931 {
3932 if (CMD_ARGC != 1)
3933 return ERROR_COMMAND_SYNTAX_ERROR;
3934
3935 uint32_t addr;
3936 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], addr);
3937
3938 struct target *target = get_current_target(CMD_CTX);
3939 watchpoint_remove(target, addr);
3940
3941 return ERROR_OK;
3942 }
3943
3944 /**
3945 * Translate a virtual address to a physical address.
3946 *
3947 * The low-level target implementation must have logged a detailed error
3948 * which is forwarded to telnet/GDB session.
3949 */
3950 COMMAND_HANDLER(handle_virt2phys_command)
3951 {
3952 if (CMD_ARGC != 1)
3953 return ERROR_COMMAND_SYNTAX_ERROR;
3954
3955 target_addr_t va;
3956 COMMAND_PARSE_ADDRESS(CMD_ARGV[0], va);
3957 target_addr_t pa;
3958
3959 struct target *target = get_current_target(CMD_CTX);
3960 int retval = target->type->virt2phys(target, va, &pa);
3961 if (retval == ERROR_OK)
3962 command_print(CMD, "Physical address " TARGET_ADDR_FMT "", pa);
3963
3964 return retval;
3965 }
3966
3967 static void writeData(FILE *f, const void *data, size_t len)
3968 {
3969 size_t written = fwrite(data, 1, len, f);
3970 if (written != len)
3971 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
3972 }
3973
3974 static void writeLong(FILE *f, int l, struct target *target)
3975 {
3976 uint8_t val[4];
3977
3978 target_buffer_set_u32(target, val, l);
3979 writeData(f, val, 4);
3980 }
3981
3982 static void writeString(FILE *f, char *s)
3983 {
3984 writeData(f, s, strlen(s));
3985 }
3986
3987 typedef unsigned char UNIT[2]; /* unit of profiling */
3988
3989 /* Dump a gmon.out histogram file. */
3990 static void write_gmon(uint32_t *samples, uint32_t sampleNum, const char *filename, bool with_range,
3991 uint32_t start_address, uint32_t end_address, struct target *target, uint32_t duration_ms)
3992 {
3993 uint32_t i;
3994 FILE *f = fopen(filename, "w");
3995 if (f == NULL)
3996 return;
3997 writeString(f, "gmon");
3998 writeLong(f, 0x00000001, target); /* Version */
3999 writeLong(f, 0, target); /* padding */
4000 writeLong(f, 0, target); /* padding */
4001 writeLong(f, 0, target); /* padding */
4002
4003 uint8_t zero = 0; /* GMON_TAG_TIME_HIST */
4004 writeData(f, &zero, 1);
4005
4006 /* figure out bucket size */
4007 uint32_t min;
4008 uint32_t max;
4009 if (with_range) {
4010 min = start_address;
4011 max = end_address;
4012 } else {
4013 min = samples[0];
4014 max = samples[0];
4015 for (i = 0; i < sampleNum; i++) {
4016 if (min > samples[i])
4017 min = samples[i];
4018 if (max < samples[i])
4019 max = samples[i];
4020 }
4021
4022 /* max should be (largest sample + 1)
4023 * Refer to binutils/gprof/hist.c (find_histogram_for_pc) */
4024 max++;
4025 }
4026
4027 int addressSpace = max - min;
4028 assert(addressSpace >= 2);
4029
4030 /* FIXME: What is the reasonable number of buckets?
4031 * The profiling result will be more accurate if there are enough buckets. */
4032 static const uint32_t maxBuckets = 128 * 1024; /* maximum buckets. */
4033 uint32_t numBuckets = addressSpace / sizeof(UNIT);
4034 if (numBuckets > maxBuckets)
4035 numBuckets = maxBuckets;
4036 int *buckets = malloc(sizeof(int) * numBuckets);
4037 if (buckets == NULL) {
4038 fclose(f);
4039 return;
4040 }
4041 memset(buckets, 0, sizeof(int) * numBuckets);
4042 for (i = 0; i < sampleNum; i++) {
4043 uint32_t address = samples[i];
4044
4045 if ((address < min) || (max <= address))
4046 continue;
4047
4048 long long a = address - min;
4049 long long b = numBuckets;
4050 long long c = addressSpace;
4051 int index_t = (a * b) / c; /* danger!!!! int32 overflows */
4052 buckets[index_t]++;
4053 }
4054
4055 /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
4056 writeLong(f, min, target); /* low_pc */
4057 writeLong(f, max, target); /* high_pc */
4058 writeLong(f, numBuckets, target); /* # of buckets */
4059 float sample_rate = sampleNum / (duration_ms / 1000.0);
4060 writeLong(f, sample_rate, target);
4061 writeString(f, "seconds");
4062 for (i = 0; i < (15-strlen("seconds")); i++)
4063 writeData(f, &zero, 1);
4064 writeString(f, "s");
4065
4066 /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
4067
4068 char *data = malloc(2 * numBuckets);
4069 if (data != NULL) {
4070 for (i = 0; i < numBuckets; i++) {
4071 int val;
4072 val = buckets[i];
4073 if (val > 65535)
4074 val = 65535;
4075 data[i * 2] = val&0xff;
4076 data[i * 2 + 1] = (val >> 8) & 0xff;
4077 }
4078 free(buckets);
4079 writeData(f, data, numBuckets * 2);
4080 free(data);
4081 } else
4082 free(buckets);
4083
4084 fclose(f);
4085 }
4086
4087 /* profiling samples the CPU PC as quickly as OpenOCD is able,
4088 * which will be used as a random sampling of PC */
4089 COMMAND_HANDLER(handle_profile_command)
4090 {
4091 struct target *target = get_current_target(CMD_CTX);
4092
4093 if ((CMD_ARGC != 2) && (CMD_ARGC != 4))
4094 return ERROR_COMMAND_SYNTAX_ERROR;
4095
4096 const uint32_t MAX_PROFILE_SAMPLE_NUM = 10000;
4097 uint32_t offset;
4098 uint32_t num_of_samples;
4099 int retval = ERROR_OK;
4100 bool halted_before_profiling = target->state == TARGET_HALTED;
4101
4102 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], offset);
4103
4104 uint32_t *samples = malloc(sizeof(uint32_t) * MAX_PROFILE_SAMPLE_NUM);
4105 if (samples == NULL) {
4106 LOG_ERROR("No memory to store samples.");
4107 return ERROR_FAIL;
4108 }
4109
4110 uint64_t timestart_ms = timeval_ms();
4111 /**
4112 * Some cores let us sample the PC without the
4113 * annoying halt/resume step; for example, ARMv7 PCSR.
4114 * Provide a way to use that more efficient mechanism.
4115 */
4116 retval = target_profiling(target, samples, MAX_PROFILE_SAMPLE_NUM,
4117 &num_of_samples, offset);
4118 if (retval != ERROR_OK) {
4119 free(samples);
4120 return retval;
4121 }
4122 uint32_t duration_ms = timeval_ms() - timestart_ms;
4123
4124 assert(num_of_samples <= MAX_PROFILE_SAMPLE_NUM);
4125
4126 retval = target_poll(target);
4127 if (retval != ERROR_OK) {
4128 free(samples);
4129 return retval;
4130 }
4131
4132 if (target->state == TARGET_RUNNING && halted_before_profiling) {
4133 /* The target was halted before we started and is running now. Halt it,
4134 * for consistency. */
4135 retval = target_halt(target);
4136 if (retval != ERROR_OK) {
4137 free(samples);
4138 return retval;
4139 }
4140 } else if (target->state == TARGET_HALTED && !halted_before_profiling) {
4141 /* The target was running before we started and is halted now. Resume
4142 * it, for consistency. */
4143 retval = target_resume(target, 1, 0, 0, 0);
4144 if (retval != ERROR_OK) {
4145 free(samples);
4146 return retval;
4147 }
4148 }
4149
4150 retval = target_poll(target);
4151 if (retval != ERROR_OK) {
4152 free(samples);
4153 return retval;
4154 }
4155
4156 uint32_t start_address = 0;
4157 uint32_t end_address = 0;
4158 bool with_range = false;
4159 if (CMD_ARGC == 4) {
4160 with_range = true;
4161 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], start_address);
4162 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[3], end_address);
4163 }
4164
4165 write_gmon(samples, num_of_samples, CMD_ARGV[1],
4166 with_range, start_address, end_address, target, duration_ms);
4167 command_print(CMD, "Wrote %s", CMD_ARGV[1]);
4168
4169 free(samples);
4170 return retval;
4171 }
4172
4173 static int new_int_array_element(Jim_Interp *interp, const char *varname, int idx, uint32_t val)
4174 {
4175 char *namebuf;
4176 Jim_Obj *nameObjPtr, *valObjPtr;
4177 int result;
4178
4179 namebuf = alloc_printf("%s(%d)", varname, idx);
4180 if (!namebuf)
4181 return JIM_ERR;
4182
4183 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
4184 valObjPtr = Jim_NewIntObj(interp, val);
4185 if (!nameObjPtr || !valObjPtr) {
4186 free(namebuf);
4187 return JIM_ERR;
4188 }
4189
4190 Jim_IncrRefCount(nameObjPtr);
4191 Jim_IncrRefCount(valObjPtr);
4192 result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
4193 Jim_DecrRefCount(interp, nameObjPtr);
4194 Jim_DecrRefCount(interp, valObjPtr);
4195 free(namebuf);
4196 /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
4197 return result;
4198 }
4199
4200 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4201 {
4202 struct command_context *context;
4203 struct target *target;
4204
4205 context = current_command_context(interp);
4206 assert(context != NULL);
4207
4208 target = get_current_target(context);
4209 if (target == NULL) {
4210 LOG_ERROR("mem2array: no current target");
4211 return JIM_ERR;
4212 }
4213
4214 return target_mem2array(interp, target, argc - 1, argv + 1);
4215 }
4216
4217 static int target_mem2array(Jim_Interp *interp, struct target *target, int argc, Jim_Obj *const *argv)
4218 {
4219 long l;
4220 uint32_t width;
4221 int len;
4222 uint32_t addr;
4223 uint32_t count;
4224 uint32_t v;
4225 const char *varname;
4226 const char *phys;
4227 bool is_phys;
4228 int n, e, retval;
4229 uint32_t i;
4230
4231 /* argv[1] = name of array to receive the data
4232 * argv[2] = desired width
4233 * argv[3] = memory address
4234 * argv[4] = count of times to read
4235 */
4236
4237 if (argc < 4 || argc > 5) {
4238 Jim_WrongNumArgs(interp, 0, argv, "varname width addr nelems [phys]");
4239 return JIM_ERR;
4240 }
4241 varname = Jim_GetString(argv[0], &len);
4242 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
4243
4244 e = Jim_GetLong(interp, argv[1], &l);
4245 width = l;
4246 if (e != JIM_OK)
4247 return e;
4248
4249 e = Jim_GetLong(interp, argv[2], &l);
4250 addr = l;
4251 if (e != JIM_OK)
4252 return e;
4253 e = Jim_GetLong(interp, argv[3], &l);
4254 len = l;
4255 if (e != JIM_OK)
4256 return e;
4257 is_phys = false;
4258 if (argc > 4) {
4259 phys = Jim_GetString(argv[4], &n);
4260 if (!strncmp(phys, "phys", n))
4261 is_phys = true;
4262 else
4263 return JIM_ERR;
4264 }
4265 switch (width) {
4266 case 8:
4267 width = 1;
4268 break;
4269 case 16:
4270 width = 2;
4271 break;
4272 case 32:
4273 width = 4;
4274 break;
4275 default:
4276 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4277 Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
4278 return JIM_ERR;
4279 }
4280 if (len == 0) {
4281 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4282 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
4283 return JIM_ERR;
4284 }
4285 if ((addr + (len * width)) < addr) {
4286 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4287 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
4288 return JIM_ERR;
4289 }
4290 /* absurd transfer size? */
4291 if (len > 65536) {
4292 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4293 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
4294 return JIM_ERR;
4295 }
4296
4297 if ((width == 1) ||
4298 ((width == 2) && ((addr & 1) == 0)) ||
4299 ((width == 4) && ((addr & 3) == 0))) {
4300 /* all is well */
4301 } else {
4302 char buf[100];
4303 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4304 sprintf(buf, "mem2array address: 0x%08" PRIx32 " is not aligned for %" PRIu32 " byte reads",
4305 addr,
4306 width);
4307 Jim_AppendStrings(interp, Jim_GetResult(interp), buf, NULL);
4308 return JIM_ERR;
4309 }
4310
4311 /* Transfer loop */
4312
4313 /* index counter */
4314 n = 0;
4315
4316 size_t buffersize = 4096;
4317 uint8_t *buffer = malloc(buffersize);
4318 if (buffer == NULL)
4319 return JIM_ERR;
4320
4321 /* assume ok */
4322 e = JIM_OK;
4323 while (len) {
4324 /* Slurp... in buffer size chunks */
4325
4326 count = len; /* in objects.. */
4327 if (count > (buffersize / width))
4328 count = (buffersize / width);
4329
4330 if (is_phys)
4331 retval = target_read_phys_memory(target, addr, width, count, buffer);
4332 else
4333 retval = target_read_memory(target, addr, width, count, buffer);
4334 if (retval != ERROR_OK) {
4335 /* BOO !*/
4336 LOG_ERROR("mem2array: Read @ 0x%08" PRIx32 ", w=%" PRIu32 ", cnt=%" PRIu32 ", failed",
4337 addr,
4338 width,
4339 count);
4340 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4341 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
4342 e = JIM_ERR;
4343 break;
4344 } else {
4345 v = 0; /* shut up gcc */
4346 for (i = 0; i < count ; i++, n++) {
4347 switch (width) {
4348 case 4:
4349 v = target_buffer_get_u32(target, &buffer[i*width]);
4350 break;
4351 case 2:
4352 v = target_buffer_get_u16(target, &buffer[i*width]);
4353 break;
4354 case 1:
4355 v = buffer[i] & 0x0ff;
4356 break;
4357 }
4358 new_int_array_element(interp, varname, n, v);
4359 }
4360 len -= count;
4361 addr += count * width;
4362 }
4363 }
4364
4365 free(buffer);
4366
4367 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4368
4369 return e;
4370 }
4371
4372 static int get_int_array_element(Jim_Interp *interp, const char *varname, int idx, uint32_t *val)
4373 {
4374 char *namebuf;
4375 Jim_Obj *nameObjPtr, *valObjPtr;
4376 int result;
4377 long l;
4378
4379 namebuf = alloc_printf("%s(%d)", varname, idx);
4380 if (!namebuf)
4381 return JIM_ERR;
4382
4383 nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
4384 if (!nameObjPtr) {
4385 free(namebuf);
4386 return JIM_ERR;
4387 }
4388
4389 Jim_IncrRefCount(nameObjPtr);
4390 valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
4391 Jim_DecrRefCount(interp, nameObjPtr);
4392 free(namebuf);
4393 if (valObjPtr == NULL)
4394 return JIM_ERR;
4395
4396 result = Jim_GetLong(interp, valObjPtr, &l);
4397 /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
4398 *val = l;
4399 return result;
4400 }
4401
4402 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4403 {
4404 struct command_context *context;
4405 struct target *target;
4406
4407 context = current_command_context(interp);
4408 assert(context != NULL);
4409
4410 target = get_current_target(context);
4411 if (target == NULL) {
4412 LOG_ERROR("array2mem: no current target");
4413 return JIM_ERR;
4414 }
4415
4416 return target_array2mem(interp, target, argc-1, argv + 1);
4417 }
4418
4419 static int target_array2mem(Jim_Interp *interp, struct target *target,
4420 int argc, Jim_Obj *const *argv)
4421 {
4422 long l;
4423 uint32_t width;
4424 int len;
4425 uint32_t addr;
4426 uint32_t count;
4427 uint32_t v;
4428 const char *varname;
4429 const char *phys;
4430 bool is_phys;
4431 int n, e, retval;
4432 uint32_t i;
4433
4434 /* argv[1] = name of array to get the data
4435 * argv[2] = desired width
4436 * argv[3] = memory address
4437 * argv[4] = count to write
4438 */
4439 if (argc < 4 || argc > 5) {
4440 Jim_WrongNumArgs(interp, 0, argv, "varname width addr nelems [phys]");
4441 return JIM_ERR;
4442 }
4443 varname = Jim_GetString(argv[0], &len);
4444 /* given "foo" get space for worse case "foo(%d)" .. add 20 */
4445
4446 e = Jim_GetLong(interp, argv[1], &l);
4447 width = l;
4448 if (e != JIM_OK)
4449 return e;
4450
4451 e = Jim_GetLong(interp, argv[2], &l);
4452 addr = l;
4453 if (e != JIM_OK)
4454 return e;
4455 e = Jim_GetLong(interp, argv[3], &l);
4456 len = l;
4457 if (e != JIM_OK)
4458 return e;
4459 is_phys = false;
4460 if (argc > 4) {
4461 phys = Jim_GetString(argv[4], &n);
4462 if (!strncmp(phys, "phys", n))
4463 is_phys = true;
4464 else
4465 return JIM_ERR;
4466 }
4467 switch (width) {
4468 case 8:
4469 width = 1;
4470 break;
4471 case 16:
4472 width = 2;
4473 break;
4474 case 32:
4475 width = 4;
4476 break;
4477 default:
4478 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4479 Jim_AppendStrings(interp, Jim_GetResult(interp),
4480 "Invalid width param, must be 8/16/32", NULL);
4481 return JIM_ERR;
4482 }
4483 if (len == 0) {
4484 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4485 Jim_AppendStrings(interp, Jim_GetResult(interp),
4486 "array2mem: zero width read?", NULL);
4487 return JIM_ERR;
4488 }
4489 if ((addr + (len * width)) < addr) {
4490 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4491 Jim_AppendStrings(interp, Jim_GetResult(interp),
4492 "array2mem: addr + len - wraps to zero?", NULL);
4493 return JIM_ERR;
4494 }
4495 /* absurd transfer size? */
4496 if (len > 65536) {
4497 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4498 Jim_AppendStrings(interp, Jim_GetResult(interp),
4499 "array2mem: absurd > 64K item request", NULL);
4500 return JIM_ERR;
4501 }
4502
4503 if ((width == 1) ||
4504 ((width == 2) && ((addr & 1) == 0)) ||
4505 ((width == 4) && ((addr & 3) == 0))) {
4506 /* all is well */
4507 } else {
4508 char buf[100];
4509 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4510 sprintf(buf, "array2mem address: 0x%08" PRIx32 " is not aligned for %" PRIu32 " byte reads",
4511 addr,
4512 width);
4513 Jim_AppendStrings(interp, Jim_GetResult(interp), buf, NULL);
4514 return JIM_ERR;
4515 }
4516
4517 /* Transfer loop */
4518
4519 /* index counter */
4520 n = 0;
4521 /* assume ok */
4522 e = JIM_OK;
4523
4524 size_t buffersize = 4096;
4525 uint8_t *buffer = malloc(buffersize);
4526 if (buffer == NULL)
4527 return JIM_ERR;
4528
4529 while (len) {
4530 /* Slurp... in buffer size chunks */
4531
4532 count = len; /* in objects.. */
4533 if (count > (buffersize / width))
4534 count = (buffersize / width);
4535
4536 v = 0; /* shut up gcc */
4537 for (i = 0; i < count; i++, n++) {
4538 get_int_array_element(interp, varname, n, &v);
4539 switch (width) {
4540 case 4:
4541 target_buffer_set_u32(target, &buffer[i * width], v);
4542 break;
4543 case 2:
4544 target_buffer_set_u16(target, &buffer[i * width], v);
4545 break;
4546 case 1:
4547 buffer[i] = v & 0x0ff;
4548 break;
4549 }
4550 }
4551 len -= count;
4552
4553 if (is_phys)
4554 retval = target_write_phys_memory(target, addr, width, count, buffer);
4555 else
4556 retval = target_write_memory(target, addr, width, count, buffer);
4557 if (retval != ERROR_OK) {
4558 /* BOO !*/
4559 LOG_ERROR("array2mem: Write @ 0x%08" PRIx32 ", w=%" PRIu32 ", cnt=%" PRIu32 ", failed",
4560 addr,
4561 width,
4562 count);
4563 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4564 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
4565 e = JIM_ERR;
4566 break;
4567 }
4568 addr += count * width;
4569 }
4570
4571 free(buffer);
4572
4573 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4574
4575 return e;
4576 }
4577
4578 /* FIX? should we propagate errors here rather than printing them
4579 * and continuing?
4580 */
4581 void target_handle_event(struct target *target, enum target_event e)
4582 {
4583 struct target_event_action *teap;
4584 int retval;
4585
4586 for (teap = target->event_action; teap != NULL; teap = teap->next) {
4587 if (teap->event == e) {
4588 LOG_DEBUG("target(%d): %s (%s) event: %d (%s) action: %s",
4589 target->target_number,
4590 target_name(target),
4591 target_type_name(target),
4592 e,
4593 Jim_Nvp_value2name_simple(nvp_target_event, e)->name,
4594 Jim_GetString(teap->body, NULL));
4595
4596 /* Override current target by the target an event
4597 * is issued from (lot of scripts need it).
4598 * Return back to previous override as soon
4599 * as the handler processing is done */
4600 struct command_context *cmd_ctx = current_command_context(teap->interp);
4601 struct target *saved_target_override = cmd_ctx->current_target_override;
4602 cmd_ctx->current_target_override = target;
4603
4604 retval = Jim_EvalObj(teap->interp, teap->body);
4605
4606 cmd_ctx->current_target_override = saved_target_override;
4607
4608 if (retval == ERROR_COMMAND_CLOSE_CONNECTION)
4609 return;
4610
4611 if (retval == JIM_RETURN)
4612 retval = teap->interp->returnCode;
4613
4614 if (retval != JIM_OK) {
4615 Jim_MakeErrorMessage(teap->interp);
4616 LOG_USER("Error executing event %s on target %s:\n%s",
4617 Jim_Nvp_value2name_simple(nvp_target_event, e)->name,
4618 target_name(target),
4619 Jim_GetString(Jim_GetResult(teap->interp), NULL));
4620 /* clean both error code and stacktrace before return */
4621 Jim_Eval(teap->interp, "error \"\" \"\"");
4622 }
4623 }
4624 }
4625 }
4626
4627 /**
4628 * Returns true only if the target has a handler for the specified event.
4629 */
4630 bool target_has_event_action(struct target *target, enum target_event event)
4631 {
4632 struct target_event_action *teap;
4633
4634 for (teap = target->event_action; teap != NULL; teap = teap->next) {
4635 if (teap->event == event)
4636 return true;
4637 }
4638 return false;
4639 }
4640
4641 enum target_cfg_param {
4642 TCFG_TYPE,
4643 TCFG_EVENT,
4644 TCFG_WORK_AREA_VIRT,
4645 TCFG_WORK_AREA_PHYS,
4646 TCFG_WORK_AREA_SIZE,
4647 TCFG_WORK_AREA_BACKUP,
4648 TCFG_ENDIAN,
4649 TCFG_COREID,
4650 TCFG_CHAIN_POSITION,
4651 TCFG_DBGBASE,
4652 TCFG_RTOS,
4653 TCFG_DEFER_EXAMINE,
4654 TCFG_GDB_PORT,
4655 TCFG_GDB_MAX_CONNECTIONS,
4656 };
4657
4658 static Jim_Nvp nvp_config_opts[] = {
4659 { .name = "-type", .value = TCFG_TYPE },
4660 { .name = "-event", .value = TCFG_EVENT },
4661 { .name = "-work-area-virt", .value = TCFG_WORK_AREA_VIRT },
4662 { .name = "-work-area-phys", .value = TCFG_WORK_AREA_PHYS },
4663 { .name = "-work-area-size", .value = TCFG_WORK_AREA_SIZE },
4664 { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
4665 { .name = "-endian", .value = TCFG_ENDIAN },
4666 { .name = "-coreid", .value = TCFG_COREID },
4667 { .name = "-chain-position", .value = TCFG_CHAIN_POSITION },
4668 { .name = "-dbgbase", .value = TCFG_DBGBASE },
4669 { .name = "-rtos", .value = TCFG_RTOS },
4670 { .name = "-defer-examine", .value = TCFG_DEFER_EXAMINE },
4671 { .name = "-gdb-port", .value = TCFG_GDB_PORT },
4672 { .name = "-gdb-max-connections", .value = TCFG_GDB_MAX_CONNECTIONS },
4673 { .name = NULL, .value = -1 }
4674 };
4675
4676 static int target_configure(Jim_GetOptInfo *goi, struct target *target)
4677 {
4678 Jim_Nvp *n;
4679 Jim_Obj *o;
4680 jim_wide w;
4681 int e;
4682
4683 /* parse config or cget options ... */
4684 while (goi->argc > 0) {
4685 Jim_SetEmptyResult(goi->interp);
4686 /* Jim_GetOpt_Debug(goi); */
4687
4688 if (target->type->target_jim_configure) {
4689 /* target defines a configure function */
4690 /* target gets first dibs on parameters */
4691 e = (*(target->type->target_jim_configure))(target, goi);
4692 if (e == JIM_OK) {
4693 /* more? */
4694 continue;
4695 }
4696 if (e == JIM_ERR) {
4697 /* An error */
4698 return e;
4699 }
4700 /* otherwise we 'continue' below */
4701 }
4702 e = Jim_GetOpt_Nvp(goi, nvp_config_opts, &n);
4703 if (e != JIM_OK) {
4704 Jim_GetOpt_NvpUnknown(goi, nvp_config_opts, 0);
4705 return e;
4706 }
4707 switch (n->value) {
4708 case TCFG_TYPE:
4709 /* not settable */
4710 if (goi->isconfigure) {
4711 Jim_SetResultFormatted(goi->interp,
4712 "not settable: %s", n->name);
4713 return JIM_ERR;
4714 } else {
4715 no_params:
4716 if (goi->argc != 0) {
4717 Jim_WrongNumArgs(goi->interp,
4718 goi->argc, goi->argv,
4719 "NO PARAMS");
4720 return JIM_ERR;
4721 }
4722 }
4723 Jim_SetResultString(goi->interp,
4724 target_type_name(target), -1);
4725 /* loop for more */
4726 break;
4727 case TCFG_EVENT:
4728 if (goi->argc == 0) {
4729 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
4730 return JIM_ERR;
4731 }
4732
4733 e = Jim_GetOpt_Nvp(goi, nvp_target_event, &n);
4734 if (e != JIM_OK) {
4735 Jim_GetOpt_NvpUnknown(goi, nvp_target_event, 1);
4736 return e;
4737 }
4738
4739 if (goi->isconfigure) {
4740 if (goi->argc != 1) {
4741 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
4742 return JIM_ERR;
4743 }
4744 } else {
4745 if (goi->argc != 0) {
4746 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
4747 return JIM_ERR;
4748 }
4749 }
4750
4751 {
4752 struct target_event_action *teap;
4753
4754 teap = target->event_action;
4755 /* replace existing? */
4756 while (teap) {
4757 if (teap->event == (enum target_event)n->value)
4758 break;
4759 teap = teap->next;
4760 }
4761
4762 if (goi->isconfigure) {
4763 bool replace = true;
4764 if (teap == NULL) {
4765 /* create new */
4766 teap = calloc(1, sizeof(*teap));
4767 replace = false;
4768 }
4769 teap->event = n->value;
4770 teap->interp = goi->interp;
4771 Jim_GetOpt_Obj(goi, &o);
4772 if (teap->body)
4773 Jim_DecrRefCount(teap->interp, teap->body);
4774 teap->body = Jim_DuplicateObj(goi->interp, o);
4775 /*
4776 * FIXME:
4777 * Tcl/TK - "tk events" have a nice feature.
4778 * See the "BIND" command.
4779 * We should support that here.
4780 * You can specify %X and %Y in the event code.
4781 * The idea is: %T - target name.
4782 * The idea is: %N - target number
4783 * The idea is: %E - event name.
4784 */
4785 Jim_IncrRefCount(teap->body);
4786
4787 if (!replace) {
4788 /* add to head of event list */
4789 teap->next = target->event_action;
4790 target->event_action = teap;
4791 }
4792 Jim_SetEmptyResult(goi->interp);
4793 } else {
4794 /* get */
4795 if (teap == NULL)
4796 Jim_SetEmptyResult(goi->interp);
4797 else
4798 Jim_SetResult(goi->interp, Jim_DuplicateObj(goi->interp, teap->body));
4799 }
4800 }
4801 /* loop for more */
4802 break;
4803
4804 case TCFG_WORK_AREA_VIRT:
4805 if (goi->isconfigure) {
4806 target_free_all_working_areas(target);
4807 e = Jim_GetOpt_Wide(goi, &w);
4808 if (e != JIM_OK)
4809 return e;
4810 target->working_area_virt = w;
4811 target->working_area_virt_spec = true;
4812 } else {
4813 if (goi->argc != 0)
4814 goto no_params;
4815 }
4816 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->working_area_virt));
4817 /* loop for more */
4818 break;
4819
4820 case TCFG_WORK_AREA_PHYS:
4821 if (goi->isconfigure) {
4822 target_free_all_working_areas(target);
4823 e = Jim_GetOpt_Wide(goi, &w);
4824 if (e != JIM_OK)
4825 return e;
4826 target->working_area_phys = w;
4827 target->working_area_phys_spec = true;
4828 } else {
4829 if (goi->argc != 0)
4830 goto no_params;
4831 }
4832 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->working_area_phys));
4833 /* loop for more */
4834 break;
4835
4836 case TCFG_WORK_AREA_SIZE:
4837 if (goi->isconfigure) {
4838 target_free_all_working_areas(target);
4839 e = Jim_GetOpt_Wide(goi, &w);
4840 if (e != JIM_OK)
4841 return e;
4842 target->working_area_size = w;
4843 } else {
4844 if (goi->argc != 0)
4845 goto no_params;
4846 }
4847 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->working_area_size));
4848 /* loop for more */
4849 break;
4850
4851 case TCFG_WORK_AREA_BACKUP:
4852 if (goi->isconfigure) {
4853 target_free_all_working_areas(target);
4854 e = Jim_GetOpt_Wide(goi, &w);
4855 if (e != JIM_OK)
4856 return e;
4857 /* make this exactly 1 or 0 */
4858 target->backup_working_area = (!!w);
4859 } else {
4860 if (goi->argc != 0)
4861 goto no_params;
4862 }
4863 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->backup_working_area));
4864 /* loop for more e*/
4865 break;
4866
4867
4868 case TCFG_ENDIAN:
4869 if (goi->isconfigure) {
4870 e = Jim_GetOpt_Nvp(goi, nvp_target_endian, &n);
4871 if (e != JIM_OK) {
4872 Jim_GetOpt_NvpUnknown(goi, nvp_target_endian, 1);
4873 return e;
4874 }
4875 target->endianness = n->value;
4876 } else {
4877 if (goi->argc != 0)
4878 goto no_params;
4879 }
4880 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
4881 if (n->name == NULL) {
4882 target->endianness = TARGET_LITTLE_ENDIAN;
4883 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
4884 }
4885 Jim_SetResultString(goi->interp, n->name, -1);
4886 /* loop for more */
4887 break;
4888
4889 case TCFG_COREID:
4890 if (goi->isconfigure) {
4891 e = Jim_GetOpt_Wide(goi, &w);
4892 if (e != JIM_OK)
4893 return e;
4894 target->coreid = (int32_t)w;
4895 } else {
4896 if (goi->argc != 0)
4897 goto no_params;
4898 }
4899 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->coreid));
4900 /* loop for more */
4901 break;
4902
4903 case TCFG_CHAIN_POSITION:
4904 if (goi->isconfigure) {
4905 Jim_Obj *o_t;
4906 struct jtag_tap *tap;
4907
4908 if (target->has_dap) {
4909 Jim_SetResultString(goi->interp,
4910 "target requires -dap parameter instead of -chain-position!", -1);
4911 return JIM_ERR;
4912 }
4913
4914 target_free_all_working_areas(target);
4915 e = Jim_GetOpt_Obj(goi, &o_t);
4916 if (e != JIM_OK)
4917 return e;
4918 tap = jtag_tap_by_jim_obj(goi->interp, o_t);
4919 if (tap == NULL)
4920 return JIM_ERR;
4921 target->tap = tap;
4922 target->tap_configured = true;
4923 } else {
4924 if (goi->argc != 0)
4925 goto no_params;
4926 }
4927 Jim_SetResultString(goi->interp, target->tap->dotted_name, -1);
4928 /* loop for more e*/
4929 break;
4930 case TCFG_DBGBASE:
4931 if (goi->isconfigure) {
4932 e = Jim_GetOpt_Wide(goi, &w);
4933 if (e != JIM_OK)
4934 return e;
4935 target->dbgbase = (uint32_t)w;
4936 target->dbgbase_set = true;
4937 } else {
4938 if (goi->argc != 0)
4939 goto no_params;
4940 }
4941 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->dbgbase));
4942 /* loop for more */
4943 break;
4944 case TCFG_RTOS:
4945 /* RTOS */
4946 {
4947 int result = rtos_create(goi, target);
4948 if (result != JIM_OK)
4949 return result;
4950 }
4951 /* loop for more */
4952 break;
4953
4954 case TCFG_DEFER_EXAMINE:
4955 /* DEFER_EXAMINE */
4956 target->defer_examine = true;
4957 /* loop for more */
4958 break;
4959
4960 case TCFG_GDB_PORT:
4961 if (goi->isconfigure) {
4962 struct command_context *cmd_ctx = current_command_context(goi->interp);
4963 if (cmd_ctx->mode != COMMAND_CONFIG) {
4964 Jim_SetResultString(goi->interp, "-gdb-port must be configured before 'init'", -1);
4965 return JIM_ERR;
4966 }
4967
4968 const char *s;
4969 e = Jim_GetOpt_String(goi, &s, NULL);
4970 if (e != JIM_OK)
4971 return e;
4972 target->gdb_port_override = strdup(s);
4973 } else {
4974 if (goi->argc != 0)
4975 goto no_params;
4976 }
4977 Jim_SetResultString(goi->interp, target->gdb_port_override ? : "undefined", -1);
4978 /* loop for more */
4979 break;
4980
4981 case TCFG_GDB_MAX_CONNECTIONS:
4982 if (goi->isconfigure) {
4983 struct command_context *cmd_ctx = current_command_context(goi->interp);
4984 if (cmd_ctx->mode != COMMAND_CONFIG) {
4985 Jim_SetResultString(goi->interp, "-gdb-max-conenctions must be configured before 'init'", -1);
4986 return JIM_ERR;
4987 }
4988
4989 e = Jim_GetOpt_Wide(goi, &w);
4990 if (e != JIM_OK)
4991 return e;
4992 target->gdb_max_connections = (w < 0) ? CONNECTION_LIMIT_UNLIMITED : (int)w;
4993 } else {
4994 if (goi->argc != 0)
4995 goto no_params;
4996 }
4997 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->gdb_max_connections));
4998 break;
4999 }
5000 } /* while (goi->argc) */
5001
5002
5003 /* done - we return */
5004 return JIM_OK;
5005 }
5006
5007 static int jim_target_configure(Jim_Interp *interp, int argc, Jim_Obj * const *argv)
5008 {
5009 Jim_GetOptInfo goi;
5010
5011 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
5012 goi.isconfigure = !strcmp(Jim_GetString(argv[0], NULL), "configure");
5013 if (goi.argc < 1) {
5014 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv,
5015 "missing: -option ...");
5016 return JIM_ERR;
5017 }
5018 struct target *target = Jim_CmdPrivData(goi.interp);
5019 return target_configure(&goi, target);
5020 }
5021
5022 static int jim_target_mem2array(Jim_Interp *interp,
5023 int argc, Jim_Obj *const *argv)
5024 {
5025 struct target *target = Jim_CmdPrivData(interp);
5026 return target_mem2array(interp, target, argc - 1, argv + 1);
5027 }
5028
5029 static int jim_target_array2mem(Jim_Interp *interp,
5030 int argc, Jim_Obj *const *argv)
5031 {
5032 struct target *target = Jim_CmdPrivData(interp);
5033 return target_array2mem(interp, target, argc - 1, argv + 1);
5034 }
5035
5036 static int jim_target_tap_disabled(Jim_Interp *interp)
5037 {
5038 Jim_SetResultFormatted(interp, "[TAP is disabled]");
5039 return JIM_ERR;
5040 }
5041
5042 static int jim_target_examine(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5043 {
5044 bool allow_defer = false;
5045
5046 Jim_GetOptInfo goi;
5047 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
5048 if (goi.argc > 1) {
5049 const char *cmd_name = Jim_GetString(argv[0], NULL);
5050 Jim_SetResultFormatted(goi.interp,
5051 "usage: %s ['allow-defer']", cmd_name);
5052 return JIM_ERR;
5053 }
5054 if (goi.argc > 0 &&
5055 strcmp(Jim_GetString(argv[1], NULL), "allow-defer") == 0) {
5056 /* consume it */
5057 Jim_Obj *obj;
5058 int e = Jim_GetOpt_Obj(&goi, &obj);
5059 if (e != JIM_OK)
5060 return e;
5061 allow_defer = true;
5062 }
5063
5064 struct target *target = Jim_CmdPrivData(interp);
5065 if (!target->tap->enabled)
5066 return jim_target_tap_disabled(interp);
5067
5068 if (allow_defer && target->defer_examine) {
5069 LOG_INFO("Deferring arp_examine of %s", target_name(target));
5070 LOG_INFO("Use arp_examine command to examine it manually!");
5071 return JIM_OK;
5072 }
5073
5074 int e = target->type->examine(target);
5075 if (e != ERROR_OK)
5076 return JIM_ERR;
5077 return JIM_OK;
5078 }
5079
5080 static int jim_target_was_examined(Jim_Interp *interp, int argc, Jim_Obj * const *argv)
5081 {
5082 struct target *target = Jim_CmdPrivData(interp);
5083
5084 Jim_SetResultBool(interp, target_was_examined(target));
5085 return JIM_OK;
5086 }
5087
5088 static int jim_target_examine_deferred(Jim_Interp *interp, int argc, Jim_Obj * const *argv)
5089 {
5090 struct target *target = Jim_CmdPrivData(interp);
5091
5092 Jim_SetResultBool(interp, target->defer_examine);
5093 return JIM_OK;
5094 }
5095
5096 static int jim_target_halt_gdb(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5097 {
5098 if (argc != 1) {
5099 Jim_WrongNumArgs(interp, 1, argv, "[no parameters]");
5100 return JIM_ERR;
5101 }
5102 struct target *target = Jim_CmdPrivData(interp);
5103
5104 if (target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT) != ERROR_OK)
5105 return JIM_ERR;
5106
5107 return JIM_OK;
5108 }
5109
5110 static int jim_target_poll(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5111 {
5112 if (argc != 1) {
5113 Jim_WrongNumArgs(interp, 1, argv, "[no parameters]");
5114 return JIM_ERR;
5115 }
5116 struct target *target = Jim_CmdPrivData(interp);
5117 if (!target->tap->enabled)
5118 return jim_target_tap_disabled(interp);
5119
5120 int e;
5121 if (!(target_was_examined(target)))
5122 e = ERROR_TARGET_NOT_EXAMINED;
5123 else
5124 e = target->type->poll(target);
5125 if (e != ERROR_OK)
5126 return JIM_ERR;
5127 return JIM_OK;
5128 }
5129
5130 static int jim_target_reset(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5131 {
5132 Jim_GetOptInfo goi;
5133 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
5134
5135 if (goi.argc != 2) {
5136 Jim_WrongNumArgs(interp, 0, argv,
5137 "([tT]|[fF]|assert|deassert) BOOL");
5138 return JIM_ERR;
5139 }
5140
5141 Jim_Nvp *n;
5142 int e = Jim_GetOpt_Nvp(&goi, nvp_assert, &n);
5143 if (e != JIM_OK) {
5144 Jim_GetOpt_NvpUnknown(&goi, nvp_assert, 1);
5145 return e;
5146 }
5147 /* the halt or not param */
5148 jim_wide a;
5149 e = Jim_GetOpt_Wide(&goi, &a);
5150 if (e != JIM_OK)
5151 return e;
5152
5153 struct target *target = Jim_CmdPrivData(goi.interp);
5154 if (!target->tap->enabled)
5155 return jim_target_tap_disabled(interp);
5156
5157 if (!target->type->assert_reset || !target->type->deassert_reset) {
5158 Jim_SetResultFormatted(interp,
5159 "No target-specific reset for %s",
5160 target_name(target));
5161 return JIM_ERR;
5162 }
5163
5164 if (target->defer_examine)
5165 target_reset_examined(target);
5166
5167 /* determine if we should halt or not. */
5168 target->reset_halt = !!a;
5169 /* When this happens - all workareas are invalid. */
5170 target_free_all_working_areas_restore(target, 0);
5171
5172 /* do the assert */
5173 if (n->value == NVP_ASSERT)
5174 e = target->type->assert_reset(target);
5175 else
5176 e = target->type->deassert_reset(target);
5177 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
5178 }
5179
5180 static int jim_target_halt(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5181 {
5182 if (argc != 1) {
5183 Jim_WrongNumArgs(interp, 1, argv, "[no parameters]");
5184 return JIM_ERR;
5185 }
5186 struct target *target = Jim_CmdPrivData(interp);
5187 if (!target->tap->enabled)
5188 return jim_target_tap_disabled(interp);
5189 int e = target->type->halt(target);
5190 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
5191 }
5192
5193 static int jim_target_wait_state(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5194 {
5195 Jim_GetOptInfo goi;
5196 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
5197
5198 /* params: <name> statename timeoutmsecs */
5199 if (goi.argc != 2) {
5200 const char *cmd_name = Jim_GetString(argv[0], NULL);
5201 Jim_SetResultFormatted(goi.interp,
5202 "%s <state_name> <timeout_in_msec>", cmd_name);
5203 return JIM_ERR;
5204 }
5205
5206 Jim_Nvp *n;
5207 int e = Jim_GetOpt_Nvp(&goi, nvp_target_state, &n);
5208 if (e != JIM_OK) {
5209 Jim_GetOpt_NvpUnknown(&goi, nvp_target_state, 1);
5210 return e;
5211 }
5212 jim_wide a;
5213 e = Jim_GetOpt_Wide(&goi, &a);
5214 if (e != JIM_OK)
5215 return e;
5216 struct target *target = Jim_CmdPrivData(interp);
5217 if (!target->tap->enabled)
5218 return jim_target_tap_disabled(interp);
5219
5220 e = target_wait_state(target, n->value, a);
5221 if (e != ERROR_OK) {
5222 Jim_Obj *eObj = Jim_NewIntObj(interp, e);
5223 Jim_SetResultFormatted(goi.interp,
5224 "target: %s wait %s fails (%#s) %s",
5225 target_name(target), n->name,
5226 eObj, target_strerror_safe(e));
5227 return JIM_ERR;
5228 }
5229 return JIM_OK;
5230 }
5231 /* List for human, Events defined for this target.
5232 * scripts/programs should use 'name cget -event NAME'
5233 */
5234 COMMAND_HANDLER(handle_target_event_list)
5235 {
5236 struct target *target = get_current_target(CMD_CTX);
5237 struct target_event_action *teap = target->event_action;
5238
5239 command_print(CMD, "Event actions for target (%d) %s\n",
5240 target->target_number,
5241 target_name(target));
5242 command_print(CMD, "%-25s | Body", "Event");
5243 command_print(CMD, "------------------------- | "
5244 "----------------------------------------");
5245 while (teap) {
5246 Jim_Nvp *opt = Jim_Nvp_value2name_simple(nvp_target_event, teap->event);
5247 command_print(CMD, "%-25s | %s",
5248 opt->name, Jim_GetString(teap->body, NULL));
5249 teap = teap->next;
5250 }
5251 command_print(CMD, "***END***");
5252 return ERROR_OK;
5253 }
5254 static int jim_target_current_state(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5255 {
5256 if (argc != 1) {
5257 Jim_WrongNumArgs(interp, 1, argv, "[no parameters]");
5258 return JIM_ERR;
5259 }
5260 struct target *target = Jim_CmdPrivData(interp);
5261 Jim_SetResultString(interp, target_state_name(target), -1);
5262 return JIM_OK;
5263 }
5264 static int jim_target_invoke_event(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5265 {
5266 Jim_GetOptInfo goi;
5267 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
5268 if (goi.argc != 1) {
5269 const char *cmd_name = Jim_GetString(argv[0], NULL);
5270 Jim_SetResultFormatted(goi.interp, "%s <eventname>", cmd_name);
5271 return JIM_ERR;
5272 }
5273 Jim_Nvp *n;
5274 int e = Jim_GetOpt_Nvp(&goi, nvp_target_event, &n);
5275 if (e != JIM_OK) {
5276 Jim_GetOpt_NvpUnknown(&goi, nvp_target_event, 1);
5277 return e;
5278 }
5279 struct target *target = Jim_CmdPrivData(interp);
5280 target_handle_event(target, n->value);
5281 return JIM_OK;
5282 }
5283
5284 static const struct command_registration target_instance_command_handlers[] = {
5285 {
5286 .name = "configure",
5287 .mode = COMMAND_ANY,
5288 .jim_handler = jim_target_configure,
5289 .help = "configure a new target for use",
5290 .usage = "[target_attribute ...]",
5291 },
5292 {
5293 .name = "cget",
5294 .mode = COMMAND_ANY,
5295 .jim_handler = jim_target_configure,
5296 .help = "returns the specified target attribute",
5297 .usage = "target_attribute",
5298 },
5299 {
5300 .name = "mwd",
5301 .handler = handle_mw_command,
5302 .mode = COMMAND_EXEC,
5303 .help = "Write 64-bit word(s) to target memory",
5304 .usage = "address data [count]",
5305 },
5306 {
5307 .name = "mww",
5308 .handler = handle_mw_command,
5309 .mode = COMMAND_EXEC,
5310 .help = "Write 32-bit word(s) to target memory",
5311 .usage = "address data [count]",
5312 },
5313 {
5314 .name = "mwh",
5315 .handler = handle_mw_command,
5316 .mode = COMMAND_EXEC,
5317 .help = "Write 16-bit half-word(s) to target memory",
5318 .usage = "address data [count]",
5319 },
5320 {
5321 .name = "mwb",
5322 .handler = handle_mw_command,
5323 .mode = COMMAND_EXEC,
5324 .help = "Write byte(s) to target memory",
5325 .usage = "address data [count]",
5326 },
5327 {
5328 .name = "mdd",
5329 .handler = handle_md_command,
5330 .mode = COMMAND_EXEC,
5331 .help = "Display target memory as 64-bit words",
5332 .usage = "address [count]",
5333 },
5334 {
5335 .name = "mdw",
5336 .handler = handle_md_command,
5337 .mode = COMMAND_EXEC,
5338 .help = "Display target memory as 32-bit words",
5339 .usage = "address [count]",
5340 },
5341 {
5342 .name = "mdh",
5343 .handler = handle_md_command,
5344 .mode = COMMAND_EXEC,
5345 .help = "Display target memory as 16-bit half-words",
5346 .usage = "address [count]",
5347 },
5348 {
5349 .name = "mdb",
5350 .handler = handle_md_command,
5351 .mode = COMMAND_EXEC,
5352 .help = "Display target memory as 8-bit bytes",
5353 .usage = "address [count]",
5354 },
5355 {
5356 .name = "array2mem",
5357 .mode = COMMAND_EXEC,
5358 .jim_handler = jim_target_array2mem,
5359 .help = "Writes Tcl array of 8/16/32 bit numbers "
5360 "to target memory",
5361 .usage = "arrayname bitwidth address count",
5362 },
5363 {
5364 .name = "mem2array",
5365 .mode = COMMAND_EXEC,
5366 .jim_handler = jim_target_mem2array,
5367 .help = "Loads Tcl array of 8/16/32 bit numbers "
5368 "from target memory",
5369 .usage = "arrayname bitwidth address count",
5370 },
5371 {
5372 .name = "eventlist",
5373 .handler = handle_target_event_list,
5374 .mode = COMMAND_EXEC,
5375 .help = "displays a table of events defined for this target",
5376 .usage = "",
5377 },
5378 {
5379 .name = "curstate",
5380 .mode = COMMAND_EXEC,
5381 .jim_handler = jim_target_current_state,
5382 .help = "displays the current state of this target",
5383 },
5384 {
5385 .name = "arp_examine",
5386 .mode = COMMAND_EXEC,
5387 .jim_handler = jim_target_examine,
5388 .help = "used internally for reset processing",
5389 .usage = "['allow-defer']",
5390 },
5391 {
5392 .name = "was_examined",
5393 .mode = COMMAND_EXEC,
5394 .jim_handler = jim_target_was_examined,
5395 .help = "used internally for reset processing",
5396 },
5397 {
5398 .name = "examine_deferred",
5399 .mode = COMMAND_EXEC,
5400 .jim_handler = jim_target_examine_deferred,
5401 .help = "used internally for reset processing",
5402 },
5403 {
5404 .name = "arp_halt_gdb",
5405 .mode = COMMAND_EXEC,
5406 .jim_handler = jim_target_halt_gdb,
5407 .help = "used internally for reset processing to halt GDB",
5408 },
5409 {
5410 .name = "arp_poll",
5411 .mode = COMMAND_EXEC,
5412 .jim_handler = jim_target_poll,
5413 .help = "used internally for reset processing",
5414 },
5415 {
5416 .name = "arp_reset",
5417 .mode = COMMAND_EXEC,
5418 .jim_handler = jim_target_reset,
5419 .help = "used internally for reset processing",
5420 },
5421 {
5422 .name = "arp_halt",
5423 .mode = COMMAND_EXEC,
5424 .jim_handler = jim_target_halt,
5425 .help = "used internally for reset processing",
5426 },
5427 {
5428 .name = "arp_waitstate",
5429 .mode = COMMAND_EXEC,
5430 .jim_handler = jim_target_wait_state,
5431 .help = "used internally for reset processing",
5432 },
5433 {
5434 .name = "invoke-event",
5435 .mode = COMMAND_EXEC,
5436 .jim_handler = jim_target_invoke_event,
5437 .help = "invoke handler for specified event",
5438 .usage = "event_name",
5439 },
5440 COMMAND_REGISTRATION_DONE
5441 };
5442
5443 static int target_create(Jim_GetOptInfo *goi)
5444 {
5445 Jim_Obj *new_cmd;
5446 Jim_Cmd *cmd;
5447 const char *cp;
5448 int e;
5449 int x;
5450 struct target *target;
5451 struct command_context *cmd_ctx;
5452
5453 cmd_ctx = current_command_context(goi->interp);
5454 assert(cmd_ctx != NULL);
5455
5456 if (goi->argc < 3) {
5457 Jim_WrongNumArgs(goi->interp, 1, goi->argv, "?name? ?type? ..options...");
5458 return JIM_ERR;
5459 }
5460
5461 /* COMMAND */
5462 Jim_GetOpt_Obj(goi, &new_cmd);
5463 /* does this command exist? */
5464 cmd = Jim_GetCommand(goi->interp, new_cmd, JIM_ERRMSG);
5465 if (cmd) {
5466 cp = Jim_GetString(new_cmd, NULL);
5467 Jim_SetResultFormatted(goi->interp, "Command/target: %s Exists", cp);
5468 return JIM_ERR;
5469 }
5470
5471 /* TYPE */
5472 e = Jim_GetOpt_String(goi, &cp, NULL);
5473 if (e != JIM_OK)
5474 return e;
5475 struct transport *tr = get_current_transport();
5476 if (tr->override_target) {
5477 e = tr->override_target(&cp);
5478 if (e != ERROR_OK) {
5479 LOG_ERROR("The selected transport doesn't support this target");
5480 return JIM_ERR;
5481 }
5482 LOG_INFO("The selected transport took over low-level target control. The results might differ compared to plain JTAG/SWD");
5483 }
5484 /* now does target type exist */
5485 for (x = 0 ; target_types[x] ; x++) {
5486 if (0 == strcmp(cp, target_types[x]->name)) {
5487 /* found */
5488 break;
5489 }
5490
5491 /* check for deprecated name */
5492 if (target_types[x]->deprecated_name) {
5493 if (0 == strcmp(cp, target_types[x]->deprecated_name)) {
5494 /* found */
5495 LOG_WARNING("target name is deprecated use: \'%s\'", target_types[x]->name);
5496 break;
5497 }
5498 }
5499 }
5500 if (target_types[x] == NULL) {
5501 Jim_SetResultFormatted(goi->interp, "Unknown target type %s, try one of ", cp);
5502 for (x = 0 ; target_types[x] ; x++) {
5503 if (target_types[x + 1]) {
5504 Jim_AppendStrings(goi->interp,
5505 Jim_GetResult(goi->interp),
5506 target_types[x]->name,
5507 ", ", NULL);
5508 } else {
5509 Jim_AppendStrings(goi->interp,
5510 Jim_GetResult(goi->interp),
5511 " or ",
5512 target_types[x]->name, NULL);
5513 }
5514 }
5515 return JIM_ERR;
5516 }
5517
5518 /* Create it */
5519 target = calloc(1, sizeof(struct target));
5520 if (!target) {
5521 LOG_ERROR("Out of memory");
5522 return JIM_ERR;
5523 }
5524
5525 /* set target number */
5526 target->target_number = new_target_number();
5527
5528 /* allocate memory for each unique target type */
5529 target->type = malloc(sizeof(struct target_type));
5530 if (!target->type) {
5531 LOG_ERROR("Out of memory");
5532 free(target);
5533 return JIM_ERR;
5534 }
5535
5536 memcpy(target->type, target_types[x], sizeof(struct target_type));
5537
5538 /* will be set by "-endian" */
5539 target->endianness = TARGET_ENDIAN_UNKNOWN;
5540
5541 /* default to first core, override with -coreid */
5542 target->coreid = 0;
5543
5544 target->working_area = 0x0;
5545 target->working_area_size = 0x0;
5546 target->working_areas = NULL;
5547 target->backup_working_area = 0;
5548
5549 target->state = TARGET_UNKNOWN;
5550 target->debug_reason = DBG_REASON_UNDEFINED;
5551 target->reg_cache = NULL;
5552 target->breakpoints = NULL;
5553 target->watchpoints = NULL;
5554 target->next = NULL;
5555 target->arch_info = NULL;
5556
5557 target->verbose_halt_msg = true;
5558
5559 target->halt_issued = false;
5560
5561 /* initialize trace information */
5562 target->trace_info = calloc(1, sizeof(struct trace));
5563 if (!target->trace_info) {
5564 LOG_ERROR("Out of memory");
5565 free(target->type);
5566 free(target);
5567 return JIM_ERR;
5568 }
5569
5570 target->dbgmsg = NULL;
5571 target->dbg_msg_enabled = 0;
5572
5573 target->endianness = TARGET_ENDIAN_UNKNOWN;
5574
5575 target->rtos = NULL;
5576 target->rtos_auto_detect = false;
5577
5578 target->gdb_port_override = NULL;
5579 target->gdb_max_connections = 1;
5580
5581 /* Do the rest as "configure" options */
5582 goi->isconfigure = 1;
5583 e = target_configure(goi, target);
5584
5585 if (e == JIM_OK) {
5586 if (target->has_dap) {
5587 if (!target->dap_configured) {
5588 Jim_SetResultString(goi->interp, "-dap ?name? required when creating target", -1);
5589 e = JIM_ERR;
5590 }
5591 } else {
5592 if (!target->tap_configured) {
5593 Jim_SetResultString(goi->interp, "-chain-position ?name? required when creating target", -1);
5594 e = JIM_ERR;
5595 }
5596 }
5597 /* tap must be set after target was configured */
5598 if (target->tap == NULL)
5599 e = JIM_ERR;
5600 }
5601
5602 if (e != JIM_OK) {
5603 rtos_destroy(target);
5604 free(target->gdb_port_override);
5605 free(target->trace_info);
5606 free(target->type);
5607 free(target);
5608 return e;
5609 }
5610
5611 if (target->endianness == TARGET_ENDIAN_UNKNOWN) {
5612 /* default endian to little if not specified */
5613 target->endianness = TARGET_LITTLE_ENDIAN;
5614 }
5615
5616 cp = Jim_GetString(new_cmd, NULL);
5617 target->cmd_name = strdup(cp);
5618 if (!target->cmd_name) {
5619 LOG_ERROR("Out of memory");
5620 rtos_destroy(target);
5621 free(target->gdb_port_override);
5622 free(target->trace_info);
5623 free(target->type);
5624 free(target);
5625 return JIM_ERR;
5626 }
5627
5628 if (target->type->target_create) {
5629 e = (*(target->type->target_create))(target, goi->interp);
5630 if (e != ERROR_OK) {
5631 LOG_DEBUG("target_create failed");
5632 free(target->cmd_name);
5633 rtos_destroy(target);
5634 free(target->gdb_port_override);
5635 free(target->trace_info);
5636 free(target->type);
5637 free(target);
5638 return JIM_ERR;
5639 }
5640 }
5641
5642 /* create the target specific commands */
5643 if (target->type->commands) {
5644 e = register_commands(cmd_ctx, NULL, target->type->commands);
5645 if (ERROR_OK != e)
5646 LOG_ERROR("unable to register '%s' commands", cp);
5647 }
5648
5649 /* now - create the new target name command */
5650 const struct command_registration target_subcommands[] = {
5651 {
5652 .chain = target_instance_command_handlers,
5653 },
5654 {
5655 .chain = target->type->commands,
5656 },
5657 COMMAND_REGISTRATION_DONE
5658 };
5659 const struct command_registration target_commands[] = {
5660 {
5661 .name = cp,
5662 .mode = COMMAND_ANY,
5663 .help = "target command group",
5664 .usage = "",
5665 .chain = target_subcommands,
5666 },
5667 COMMAND_REGISTRATION_DONE
5668 };
5669 e = register_commands(cmd_ctx, NULL, target_commands);
5670 if (e != ERROR_OK) {
5671 if (target->type->deinit_target)
5672 target->type->deinit_target(target);
5673 free(target->cmd_name);
5674 rtos_destroy(target);
5675 free(target->gdb_port_override);
5676 free(target->trace_info);
5677 free(target->type);
5678 free(target);
5679 return JIM_ERR;
5680 }
5681
5682 struct command *c = command_find_in_context(cmd_ctx, cp);
5683 assert(c);
5684 command_set_handler_data(c, target);
5685
5686 /* append to end of list */
5687 append_to_list_all_targets(target);
5688
5689 cmd_ctx->current_target = target;
5690 return JIM_OK;
5691 }
5692
5693 static int jim_target_current(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5694 {
5695 if (argc != 1) {
5696 Jim_WrongNumArgs(interp, 1, argv, "Too many parameters");
5697 return JIM_ERR;
5698 }
5699 struct command_context *cmd_ctx = current_command_context(interp);
5700 assert(cmd_ctx != NULL);
5701
5702 struct target *target = get_current_target_or_null(cmd_ctx);
5703 if (target)
5704 Jim_SetResultString(interp, target_name(target), -1);
5705 return JIM_OK;
5706 }
5707
5708 static int jim_target_types(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5709 {
5710 if (argc != 1) {
5711 Jim_WrongNumArgs(interp, 1, argv, "Too many parameters");
5712 return JIM_ERR;
5713 }
5714 Jim_SetResult(interp, Jim_NewListObj(interp, NULL, 0));
5715 for (unsigned x = 0; NULL != target_types[x]; x++) {
5716 Jim_ListAppendElement(interp, Jim_GetResult(interp),
5717 Jim_NewStringObj(interp, target_types[x]->name, -1));
5718 }
5719 return JIM_OK;
5720 }
5721
5722 static int jim_target_names(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5723 {
5724 if (argc != 1) {
5725 Jim_WrongNumArgs(interp, 1, argv, "Too many parameters");
5726 return JIM_ERR;
5727 }
5728 Jim_SetResult(interp, Jim_NewListObj(interp, NULL, 0));
5729 struct target *target = all_targets;
5730 while (target) {
5731 Jim_ListAppendElement(interp, Jim_GetResult(interp),
5732 Jim_NewStringObj(interp, target_name(target), -1));
5733 target = target->next;
5734 }
5735 return JIM_OK;
5736 }
5737
5738 static int jim_target_smp(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5739 {
5740 int i;
5741 const char *targetname;
5742 int retval, len;
5743 struct target *target = (struct target *) NULL;
5744 struct target_list *head, *curr, *new;
5745 curr = (struct target_list *) NULL;
5746 head = (struct target_list *) NULL;
5747
5748 retval = 0;
5749 LOG_DEBUG("%d", argc);
5750 /* argv[1] = target to associate in smp
5751 * argv[2] = target to associate in smp
5752 * argv[3] ...
5753 */
5754
5755 for (i = 1; i < argc; i++) {
5756
5757 targetname = Jim_GetString(argv[i], &len);
5758 target = get_target(targetname);
5759 LOG_DEBUG("%s ", targetname);
5760 if (target) {
5761 new = malloc(sizeof(struct target_list));
5762 new->target = target;
5763 new->next = (struct target_list *)NULL;
5764 if (head == (struct target_list *)NULL) {
5765 head = new;
5766 curr = head;
5767 } else {
5768 curr->next = new;
5769 curr = new;
5770 }
5771 }
5772 }
5773 /* now parse the list of cpu and put the target in smp mode*/
5774 curr = head;
5775
5776 while (curr != (struct target_list *)NULL) {
5777 target = curr->target;
5778 target->smp = 1;
5779 target->head = head;
5780 curr = curr->next;
5781 }
5782
5783 if (target && target->rtos)
5784 retval = rtos_smp_init(head->target);
5785
5786 return retval;
5787 }
5788
5789
5790 static int jim_target_create(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5791 {
5792 Jim_GetOptInfo goi;
5793 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
5794 if (goi.argc < 3) {
5795 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv,
5796 "<name> <target_type> [<target_options> ...]");
5797 return JIM_ERR;
5798 }
5799 return target_create(&goi);
5800 }
5801
5802 static const struct command_registration target_subcommand_handlers[] = {
5803 {
5804 .name = "init",
5805 .mode = COMMAND_CONFIG,
5806 .handler = handle_target_init_command,
5807 .help = "initialize targets",
5808 .usage = "",
5809 },
5810 {
5811 .name = "create",
5812 .mode = COMMAND_CONFIG,
5813 .jim_handler = jim_target_create,
5814 .usage = "name type '-chain-position' name [options ...]",
5815 .help = "Creates and selects a new target",
5816 },
5817 {
5818 .name = "current",
5819 .mode = COMMAND_ANY,
5820 .jim_handler = jim_target_current,
5821 .help = "Returns the currently selected target",
5822 },
5823 {
5824 .name = "types",
5825 .mode = COMMAND_ANY,
5826 .jim_handler = jim_target_types,
5827 .help = "Returns the available target types as "
5828 "a list of strings",
5829 },
5830 {
5831 .name = "names",
5832 .mode = COMMAND_ANY,
5833 .jim_handler = jim_target_names,
5834 .help = "Returns the names of all targets as a list of strings",
5835 },
5836 {
5837 .name = "smp",
5838 .mode = COMMAND_ANY,
5839 .jim_handler = jim_target_smp,
5840 .usage = "targetname1 targetname2 ...",
5841 .help = "gather several target in a smp list"
5842 },
5843
5844 COMMAND_REGISTRATION_DONE
5845 };
5846
5847 struct FastLoad {
5848 target_addr_t address;
5849 uint8_t *data;
5850 int length;
5851
5852 };
5853
5854 static int fastload_num;
5855 static struct FastLoad *fastload;
5856
5857 static void free_fastload(void)
5858 {
5859 if (fastload != NULL) {
5860 for (int i = 0; i < fastload_num; i++)
5861 free(fastload[i].data);
5862 free(fastload);
5863 fastload = NULL;
5864 }
5865 }
5866
5867 COMMAND_HANDLER(handle_fast_load_image_command)
5868 {
5869 uint8_t *buffer;
5870 size_t buf_cnt;
5871 uint32_t image_size;
5872 target_addr_t min_address = 0;
5873 target_addr_t max_address = -1;
5874
5875 struct image image;
5876
5877 int retval = CALL_COMMAND_HANDLER(parse_load_image_command_CMD_ARGV,
5878 &image, &min_address, &max_address);
5879 if (ERROR_OK != retval)
5880 return retval;
5881
5882 struct duration bench;
5883 duration_start(&bench);
5884
5885 retval = image_open(&image, CMD_ARGV[0], (CMD_ARGC >= 3) ? CMD_ARGV[2] : NULL);
5886 if (retval != ERROR_OK)
5887 return retval;
5888
5889 image_size = 0x0;
5890 retval = ERROR_OK;
5891 fastload_num = image.num_sections;
5892 fastload = malloc(sizeof(struct FastLoad)*image.num_sections);
5893 if (fastload == NULL) {
5894 command_print(CMD, "out of memory");
5895 image_close(&image);
5896 return ERROR_FAIL;
5897 }
5898 memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
5899 for (unsigned int i = 0; i < image.num_sections; i++) {
5900 buffer = malloc(image.sections[i].size);
5901 if (buffer == NULL) {
5902 command_print(CMD, "error allocating buffer for section (%d bytes)",
5903 (int)(image.sections[i].size));
5904 retval = ERROR_FAIL;
5905 break;
5906 }
5907
5908 retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt);
5909 if (retval != ERROR_OK) {
5910 free(buffer);
5911 break;
5912 }
5913
5914 uint32_t offset = 0;
5915 uint32_t length = buf_cnt;
5916
5917 /* DANGER!!! beware of unsigned comparison here!!! */
5918
5919 if ((image.sections[i].base_address + buf_cnt >= min_address) &&
5920 (image.sections[i].base_address < max_address)) {
5921 if (image.sections[i].base_address < min_address) {
5922 /* clip addresses below */
5923 offset += min_address-image.sections[i].base_address;
5924 length -= offset;
5925 }
5926
5927 if (image.sections[i].base_address + buf_cnt > max_address)
5928 length -= (image.sections[i].base_address + buf_cnt)-max_address;
5929
5930 fastload[i].address = image.sections[i].base_address + offset;
5931 fastload[i].data = malloc(length);
5932 if (fastload[i].data == NULL) {
5933 free(buffer);
5934 command_print(CMD, "error allocating buffer for section (%" PRIu32 " bytes)",
5935 length);
5936 retval = ERROR_FAIL;
5937 break;
5938 }
5939 memcpy(fastload[i].data, buffer + offset, length);
5940 fastload[i].length = length;
5941
5942 image_size += length;
5943 command_print(CMD, "%u bytes written at address 0x%8.8x",
5944 (unsigned int)length,
5945 ((unsigned int)(image.sections[i].base_address + offset)));
5946 }
5947
5948 free(buffer);
5949 }
5950
5951 if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK)) {
5952 command_print(CMD, "Loaded %" PRIu32 " bytes "
5953 "in %fs (%0.3f KiB/s)", image_size,
5954 duration_elapsed(&bench), duration_kbps(&bench, image_size));
5955
5956 command_print(CMD,
5957 "WARNING: image has not been loaded to target!"
5958 "You can issue a 'fast_load' to finish loading.");
5959 }
5960
5961 image_close(&image);
5962
5963 if (retval != ERROR_OK)
5964 free_fastload();
5965
5966 return retval;
5967 }
5968
5969 COMMAND_HANDLER(handle_fast_load_command)
5970 {
5971 if (CMD_ARGC > 0)
5972 return ERROR_COMMAND_SYNTAX_ERROR;
5973 if (fastload == NULL) {
5974 LOG_ERROR("No image in memory");
5975 return ERROR_FAIL;
5976 }
5977 int i;
5978 int64_t ms = timeval_ms();
5979 int size = 0;
5980 int retval = ERROR_OK;
5981 for (i = 0; i < fastload_num; i++) {
5982 struct target *target = get_current_target(CMD_CTX);
5983 command_print(CMD, "Write to 0x%08x, length 0x%08x",
5984 (unsigned int)(fastload[i].address),
5985 (unsigned int)(fastload[i].length));
5986 retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
5987 if (retval != ERROR_OK)
5988 break;
5989 size += fastload[i].length;
5990 }
5991 if (retval == ERROR_OK) {
5992 int64_t after = timeval_ms();
5993 command_print(CMD, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
5994 }
5995 return retval;
5996 }
5997
5998 static const struct command_registration target_command_handlers[] = {
5999 {
6000 .name = "targets",
6001 .handler = handle_targets_command,
6002 .mode = COMMAND_ANY,
6003 .help = "change current default target (one parameter) "
6004 "or prints table of all targets (no parameters)",
6005 .usage = "[target]",
6006 },
6007 {
6008 .name = "target",
6009 .mode = COMMAND_CONFIG,
6010 .help = "configure target",
6011 .chain = target_subcommand_handlers,
6012 .usage = "",
6013 },
6014 COMMAND_REGISTRATION_DONE
6015 };
6016
6017 int target_register_commands(struct command_context *cmd_ctx)
6018 {
6019 return register_commands(cmd_ctx, NULL, target_command_handlers);
6020 }
6021
6022 static bool target_reset_nag = true;
6023
6024 bool get_target_reset_nag(void)
6025 {
6026 return target_reset_nag;
6027 }
6028
6029 COMMAND_HANDLER(handle_target_reset_nag)
6030 {
6031 return CALL_COMMAND_HANDLER(handle_command_parse_bool,
6032 &target_reset_nag, "Nag after each reset about options to improve "
6033 "performance");
6034 }
6035
6036 COMMAND_HANDLER(handle_ps_command)
6037 {
6038 struct target *target = get_current_target(CMD_CTX);
6039 char *display;
6040 if (target->state != TARGET_HALTED) {
6041 LOG_INFO("target not halted !!");
6042 return ERROR_OK;
6043 }
6044
6045 if ((target->rtos) && (target->rtos->type)
6046 && (target->rtos->type->ps_command)) {
6047 display = target->rtos->type->ps_command(target);
6048 command_print(CMD, "%s", display);
6049 free(display);
6050 return ERROR_OK;
6051 } else {
6052 LOG_INFO("failed");
6053 return ERROR_TARGET_FAILURE;
6054 }
6055 }
6056
6057 static void binprint(struct command_invocation *cmd, const char *text, const uint8_t *buf, int size)
6058 {
6059 if (text != NULL)
6060 command_print_sameline(cmd, "%s", text);
6061 for (int i = 0; i < size; i++)
6062 command_print_sameline(cmd, " %02x", buf[i]);
6063 command_print(cmd, " ");
6064 }
6065
6066 COMMAND_HANDLER(handle_test_mem_access_command)
6067 {
6068 struct target *target = get_current_target(CMD_CTX);
6069 uint32_t test_size;
6070 int retval = ERROR_OK;
6071
6072 if (target->state != TARGET_HALTED) {
6073 LOG_INFO("target not halted !!");
6074 return ERROR_FAIL;
6075 }
6076
6077 if (CMD_ARGC != 1)
6078 return ERROR_COMMAND_SYNTAX_ERROR;
6079
6080 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], test_size);
6081
6082 /* Test reads */
6083 size_t num_bytes = test_size + 4;
6084
6085 struct working_area *wa = NULL;
6086 retval = target_alloc_working_area(target, num_bytes, &wa);
6087 if (retval != ERROR_OK) {
6088 LOG_ERROR("Not enough working area");
6089 return ERROR_FAIL;
6090 }
6091
6092 uint8_t *test_pattern = malloc(num_bytes);
6093
6094 for (size_t i = 0; i < num_bytes; i++)
6095 test_pattern[i] = rand();
6096
6097 retval = target_write_memory(target, wa->address, 1, num_bytes, test_pattern);
6098 if (retval != ERROR_OK) {
6099 LOG_ERROR("Test pattern write failed");
6100 goto out;
6101 }
6102
6103 for (int host_offset = 0; host_offset <= 1; host_offset++) {
6104 for (int size = 1; size <= 4; size *= 2) {
6105 for (int offset = 0; offset < 4; offset++) {
6106 uint32_t count = test_size / size;
6107 size_t host_bufsiz = (count + 2) * size + host_offset;
6108 uint8_t *read_ref = malloc(host_bufsiz);
6109 uint8_t *read_buf = malloc(host_bufsiz);
6110
6111 for (size_t i = 0; i < host_bufsiz; i++) {
6112 read_ref[i] = rand();
6113 read_buf[i] = read_ref[i];
6114 }
6115 command_print_sameline(CMD,
6116 "Test read %" PRIu32 " x %d @ %d to %saligned buffer: ", count,
6117 size, offset, host_offset ? "un" : "");
6118
6119 struct duration bench;
6120 duration_start(&bench);
6121
6122 retval = target_read_memory(target, wa->address + offset, size, count,
6123 read_buf + size + host_offset);
6124
6125 duration_measure(&bench);
6126
6127 if (retval == ERROR_TARGET_UNALIGNED_ACCESS) {
6128 command_print(CMD, "Unsupported alignment");
6129 goto next;
6130 } else if (retval != ERROR_OK) {
6131 command_print(CMD, "Memory read failed");
6132 goto next;
6133 }
6134
6135 /* replay on host */
6136 memcpy(read_ref + size + host_offset, test_pattern + offset, count * size);
6137
6138 /* check result */
6139 int result = memcmp(read_ref, read_buf, host_bufsiz);
6140 if (result == 0) {
6141 command_print(CMD, "Pass in %fs (%0.3f KiB/s)",
6142 duration_elapsed(&bench),
6143 duration_kbps(&bench, count * size));
6144 } else {
6145 command_print(CMD, "Compare failed");
6146 binprint(CMD, "ref:", read_ref, host_bufsiz);
6147 binprint(CMD, "buf:", read_buf, host_bufsiz);
6148 }
6149 next:
6150 free(read_ref);
6151 free(read_buf);
6152 }
6153 }
6154 }
6155
6156 out:
6157 free(test_pattern);
6158
6159 if (wa != NULL)
6160 target_free_working_area(target, wa);
6161
6162 /* Test writes */
6163 num_bytes = test_size + 4 + 4 + 4;
6164
6165 retval = target_alloc_working_area(target, num_bytes, &wa);
6166 if (retval != ERROR_OK) {
6167 LOG_ERROR("Not enough working area");
6168 return ERROR_FAIL;
6169 }
6170
6171 test_pattern = malloc(num_bytes);
6172
6173 for (size_t i = 0; i < num_bytes; i++)
6174 test_pattern[i] = rand();
6175
6176 for (int host_offset = 0; host_offset <= 1; host_offset++) {
6177 for (int size = 1; size <= 4; size *= 2) {
6178 for (int offset = 0; offset < 4; offset++) {
6179 uint32_t count = test_size / size;
6180 size_t host_bufsiz = count * size + host_offset;
6181 uint8_t *read_ref = malloc(num_bytes);
6182 uint8_t *read_buf = malloc(num_bytes);
6183 uint8_t *write_buf = malloc(host_bufsiz);
6184
6185 for (size_t i = 0; i < host_bufsiz; i++)
6186 write_buf[i] = rand();
6187 command_print_sameline(CMD,
6188 "Test write %" PRIu32 " x %d @ %d from %saligned buffer: ", count,
6189 size, offset, host_offset ? "un" : "");
6190
6191 retval = target_write_memory(target, wa->address, 1, num_bytes, test_pattern);
6192 if (retval != ERROR_OK) {
6193 command_print(CMD, "Test pattern write failed");
6194 goto nextw;
6195 }
6196
6197 /* replay on host */
6198 memcpy(read_ref, test_pattern, num_bytes);
6199 memcpy(read_ref + size + offset, write_buf + host_offset, count * size);
6200
6201 struct duration bench;
6202 duration_start(&bench);
6203
6204 retval = target_write_memory(target, wa->address + size + offset, size, count,
6205 write_buf + host_offset);
6206
6207 duration_measure(&bench);
6208
6209 if (retval == ERROR_TARGET_UNALIGNED_ACCESS) {
6210 command_print(CMD, "Unsupported alignment");
6211 goto nextw;
6212 } else if (retval != ERROR_OK) {
6213 command_print(CMD, "Memory write failed");
6214 goto nextw;
6215 }
6216
6217 /* read back */
6218 retval = target_read_memory(target, wa->address, 1, num_bytes, read_buf);
6219 if (retval != ERROR_OK) {
6220 command_print(CMD, "Test pattern write failed");
6221 goto nextw;
6222 }
6223
6224 /* check result */
6225 int result = memcmp(read_ref, read_buf, num_bytes);
6226 if (result == 0) {
6227 command_print(CMD, "Pass in %fs (%0.3f KiB/s)",
6228 duration_elapsed(&bench),
6229 duration_kbps(&bench, count * size));
6230 } else {
6231 command_print(CMD, "Compare failed");
6232 binprint(CMD, "ref:", read_ref, num_bytes);
6233 binprint(CMD, "buf:", read_buf, num_bytes);
6234 }
6235 nextw:
6236 free(read_ref);
6237 free(read_buf);
6238 }
6239 }
6240 }
6241
6242 free(test_pattern);
6243
6244 if (wa != NULL)
6245 target_free_working_area(target, wa);
6246 return retval;
6247 }
6248
6249 static const struct command_registration target_exec_command_handlers[] = {
6250 {
6251 .name = "fast_load_image",
6252 .handler = handle_fast_load_image_command,
6253 .mode = COMMAND_ANY,
6254 .help = "Load image into server memory for later use by "
6255 "fast_load; primarily for profiling",
6256 .usage = "filename address ['bin'|'ihex'|'elf'|'s19'] "
6257 "[min_address [max_length]]",
6258 },
6259 {
6260 .name = "fast_load",
6261 .handler = handle_fast_load_command,
6262 .mode = COMMAND_EXEC,
6263 .help = "loads active fast load image to current target "
6264 "- mainly for profiling purposes",
6265 .usage = "",
6266 },
6267 {
6268 .name = "profile",
6269 .handler = handle_profile_command,
6270 .mode = COMMAND_EXEC,
6271 .usage = "seconds filename [start end]",
6272 .help = "profiling samples the CPU PC",
6273 },
6274 /** @todo don't register virt2phys() unless target supports it */
6275 {
6276 .name = "virt2phys",
6277 .handler = handle_virt2phys_command,
6278 .mode = COMMAND_ANY,
6279 .help = "translate a virtual address into a physical address",
6280 .usage = "virtual_address",
6281 },
6282 {
6283 .name = "reg",
6284 .handler = handle_reg_command,
6285 .mode = COMMAND_EXEC,
6286 .help = "display (reread from target with \"force\") or set a register; "
6287 "with no arguments, displays all registers and their values",
6288 .usage = "[(register_number|register_name) [(value|'force')]]",
6289 },
6290 {
6291 .name = "poll",
6292 .handler = handle_poll_command,
6293 .mode = COMMAND_EXEC,
6294 .help = "poll target state; or reconfigure background polling",
6295 .usage = "['on'|'off']",
6296 },
6297 {
6298 .name = "wait_halt",
6299 .handler = handle_wait_halt_command,
6300 .mode = COMMAND_EXEC,
6301 .help = "wait up to the specified number of milliseconds "
6302 "(default 5000) for a previously requested halt",
6303 .usage = "[milliseconds]",
6304 },
6305 {
6306 .name = "halt",
6307 .handler = handle_halt_command,
6308 .mode = COMMAND_EXEC,
6309 .help = "request target to halt, then wait up to the specified "
6310 "number of milliseconds (default 5000) for it to complete",
6311 .usage = "[milliseconds]",
6312 },
6313 {
6314 .name = "resume",
6315 .handler = handle_resume_command,
6316 .mode = COMMAND_EXEC,
6317 .help = "resume target execution from current PC or address",
6318 .usage = "[address]",
6319 },
6320 {
6321 .name = "reset",
6322 .handler = handle_reset_command,
6323 .mode = COMMAND_EXEC,
6324 .usage = "[run|halt|init]",
6325 .help = "Reset all targets into the specified mode. "
6326 "Default reset mode is run, if not given.",
6327 },
6328 {
6329 .name = "soft_reset_halt",
6330 .handler = handle_soft_reset_halt_command,
6331 .mode = COMMAND_EXEC,
6332 .usage = "",
6333 .help = "halt the target and do a soft reset",
6334 },
6335 {
6336 .name = "step",
6337 .handler = handle_step_command,
6338 .mode = COMMAND_EXEC,
6339 .help = "step one instruction from current PC or address",
6340 .usage = "[address]",
6341 },
6342 {
6343 .name = "mdd",
6344 .handler = handle_md_command,
6345 .mode = COMMAND_EXEC,
6346 .help = "display memory double-words",
6347 .usage = "['phys'] address [count]",
6348 },
6349 {
6350 .name = "mdw",
6351 .handler = handle_md_command,
6352 .mode = COMMAND_EXEC,
6353 .help = "display memory words",
6354 .usage = "['phys'] address [count]",
6355 },
6356 {
6357 .name = "mdh",
6358 .handler = handle_md_command,
6359 .mode = COMMAND_EXEC,
6360 .help = "display memory half-words",
6361 .usage = "['phys'] address [count]",
6362 },
6363 {
6364 .name = "mdb",
6365 .handler = handle_md_command,
6366 .mode = COMMAND_EXEC,
6367 .help = "display memory bytes",
6368 .usage = "['phys'] address [count]",
6369 },
6370 {
6371 .name = "mwd",
6372 .handler = handle_mw_command,
6373 .mode = COMMAND_EXEC,
6374 .help = "write memory double-word",
6375 .usage = "['phys'] address value [count]",
6376 },
6377 {
6378 .name = "mww",
6379 .handler = handle_mw_command,
6380 .mode = COMMAND_EXEC,
6381 .help = "write memory word",
6382 .usage = "['phys'] address value [count]",
6383 },
6384 {
6385 .name = "mwh",
6386 .handler = handle_mw_command,
6387 .mode = COMMAND_EXEC,
6388 .help = "write memory half-word",
6389 .usage = "['phys'] address value [count]",
6390 },
6391 {
6392 .name = "mwb",
6393 .handler = handle_mw_command,
6394 .mode = COMMAND_EXEC,
6395 .help = "write memory byte",
6396 .usage = "['phys'] address value [count]",
6397 },
6398 {
6399 .name = "bp",
6400 .handler = handle_bp_command,
6401 .mode = COMMAND_EXEC,
6402 .help = "list or set hardware or software breakpoint",
6403 .usage = "[<address> [<asid>] <length> ['hw'|'hw_ctx']]",
6404 },
6405 {
6406 .name = "rbp",
6407 .handler = handle_rbp_command,
6408 .mode = COMMAND_EXEC,
6409 .help = "remove breakpoint",
6410 .usage = "'all' | address",
6411 },
6412 {
6413 .name = "wp",
6414 .handler = handle_wp_command,
6415 .mode = COMMAND_EXEC,
6416 .help = "list (no params) or create watchpoints",
6417 .usage = "[address length [('r'|'w'|'a') value [mask]]]",
6418 },
6419 {
6420 .name = "rwp",
6421 .handler = handle_rwp_command,
6422 .mode = COMMAND_EXEC,
6423 .help = "remove watchpoint",
6424 .usage = "address",
6425 },
6426 {
6427 .name = "load_image",
6428 .handler = handle_load_image_command,
6429 .mode = COMMAND_EXEC,
6430 .usage = "filename address ['bin'|'ihex'|'elf'|'s19'] "
6431 "[min_address] [max_length]",
6432 },
6433 {
6434 .name = "dump_image",
6435 .handler = handle_dump_image_command,
6436 .mode = COMMAND_EXEC,
6437 .usage = "filename address size",
6438 },
6439 {
6440 .name = "verify_image_checksum",
6441 .handler = handle_verify_image_checksum_command,
6442 .mode = COMMAND_EXEC,
6443 .usage = "filename [offset [type]]",
6444 },
6445 {
6446 .name = "verify_image",
6447 .handler = handle_verify_image_command,
6448 .mode = COMMAND_EXEC,
6449 .usage = "filename [offset [type]]",
6450 },
6451 {
6452 .name = "test_image",
6453 .handler = handle_test_image_command,
6454 .mode = COMMAND_EXEC,
6455 .usage = "filename [offset [type]]",
6456 },
6457 {
6458 .name = "mem2array",
6459 .mode = COMMAND_EXEC,
6460 .jim_handler = jim_mem2array,
6461 .help = "read 8/16/32 bit memory and return as a TCL array "
6462 "for script processing",
6463 .usage = "arrayname bitwidth address count",
6464 },
6465 {
6466 .name = "array2mem",
6467 .mode = COMMAND_EXEC,
6468 .jim_handler = jim_array2mem,
6469 .help = "convert a TCL array to memory locations "
6470 "and write the 8/16/32 bit values",
6471 .usage = "arrayname bitwidth address count",
6472 },
6473 {
6474 .name = "reset_nag",
6475 .handler = handle_target_reset_nag,
6476 .mode = COMMAND_ANY,
6477 .help = "Nag after each reset about options that could have been "
6478 "enabled to improve performance. ",
6479 .usage = "['enable'|'disable']",
6480 },
6481 {
6482 .name = "ps",
6483 .handler = handle_ps_command,
6484 .mode = COMMAND_EXEC,
6485 .help = "list all tasks ",
6486 .usage = " ",
6487 },
6488 {
6489 .name = "test_mem_access",
6490 .handler = handle_test_mem_access_command,
6491 .mode = COMMAND_EXEC,
6492 .help = "Test the target's memory access functions",
6493 .usage = "size",
6494 },
6495
6496 COMMAND_REGISTRATION_DONE
6497 };
6498 static int target_register_user_commands(struct command_context *cmd_ctx)
6499 {
6500 int retval = ERROR_OK;
6501 retval = target_request_register_commands(cmd_ctx);
6502 if (retval != ERROR_OK)
6503 return retval;
6504
6505 retval = trace_register_commands(cmd_ctx);
6506 if (retval != ERROR_OK)
6507 return retval;
6508
6509
6510 return register_commands(cmd_ctx, NULL, target_exec_command_handlers);
6511 }
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