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breakpoints: use 64-bit type for watchpoint mask and value
[openocd.git] / src / target / target.c
blob96f4ae7d3ee82d959191e36e6b11f839acec7412
1 // SPDX-License-Identifier: GPL-2.0-or-later
2
3 /***************************************************************************
4 * Copyright (C) 2005 by Dominic Rath *
5 * Dominic.Rath@gmx.de *
6 * *
7 * Copyright (C) 2007-2010 Øyvind Harboe *
8 * oyvind.harboe@zylin.com *
9 * *
10 * Copyright (C) 2008, Duane Ellis *
11 * openocd@duaneeellis.com *
12 * *
13 * Copyright (C) 2008 by Spencer Oliver *
14 * spen@spen-soft.co.uk *
15 * *
16 * Copyright (C) 2008 by Rick Altherr *
17 * kc8apf@kc8apf.net> *
18 * *
19 * Copyright (C) 2011 by Broadcom Corporation *
20 * Evan Hunter - ehunter@broadcom.com *
21 * *
22 * Copyright (C) ST-Ericsson SA 2011 *
23 * michel.jaouen@stericsson.com : smp minimum support *
24 * *
25 * Copyright (C) 2011 Andreas Fritiofson *
26 * andreas.fritiofson@gmail.com *
27 ***************************************************************************/
28
29 #ifdef HAVE_CONFIG_H
30 #include "config.h"
31 #endif
32
33 #include <helper/align.h>
34 #include <helper/nvp.h>
35 #include <helper/time_support.h>
36 #include <jtag/jtag.h>
37 #include <flash/nor/core.h>
38
39 #include "target.h"
40 #include "target_type.h"
41 #include "target_request.h"
42 #include "breakpoints.h"
43 #include "register.h"
44 #include "trace.h"
45 #include "image.h"
46 #include "rtos/rtos.h"
47 #include "transport/transport.h"
48 #include "arm_cti.h"
49 #include "smp.h"
50 #include "semihosting_common.h"
51
52 /* default halt wait timeout (ms) */
53 #define DEFAULT_HALT_TIMEOUT 5000
54
55 static int target_read_buffer_default(struct target *target, target_addr_t address,
56 uint32_t count, uint8_t *buffer);
57 static int target_write_buffer_default(struct target *target, target_addr_t address,
58 uint32_t count, const uint8_t *buffer);
59 static int target_array2mem(Jim_Interp *interp, struct target *target,
60 int argc, Jim_Obj * const *argv);
61 static int target_mem2array(Jim_Interp *interp, struct target *target,
62 int argc, Jim_Obj * const *argv);
63 static int target_register_user_commands(struct command_context *cmd_ctx);
64 static int target_get_gdb_fileio_info_default(struct target *target,
65 struct gdb_fileio_info *fileio_info);
66 static int target_gdb_fileio_end_default(struct target *target, int retcode,
67 int fileio_errno, bool ctrl_c);
68
69 static struct target_type *target_types[] = {
70 &arm7tdmi_target,
71 &arm9tdmi_target,
72 &arm920t_target,
73 &arm720t_target,
74 &arm966e_target,
75 &arm946e_target,
76 &arm926ejs_target,
77 &fa526_target,
78 &feroceon_target,
79 &dragonite_target,
80 &xscale_target,
81 &xtensa_chip_target,
82 &cortexm_target,
83 &cortexa_target,
84 &cortexr4_target,
85 &arm11_target,
86 &ls1_sap_target,
87 &mips_m4k_target,
88 &avr_target,
89 &dsp563xx_target,
90 &dsp5680xx_target,
91 &testee_target,
92 &avr32_ap7k_target,
93 &hla_target,
94 &esp32_target,
95 &esp32s2_target,
96 &esp32s3_target,
97 &or1k_target,
98 &quark_x10xx_target,
99 &quark_d20xx_target,
100 &stm8_target,
101 &riscv_target,
102 &mem_ap_target,
103 &esirisc_target,
104 &arcv2_target,
105 &aarch64_target,
106 &armv8r_target,
107 &mips_mips64_target,
108 NULL,
109 };
110
111 struct target *all_targets;
112 static struct target_event_callback *target_event_callbacks;
113 static struct target_timer_callback *target_timer_callbacks;
114 static int64_t target_timer_next_event_value;
115 static LIST_HEAD(target_reset_callback_list);
116 static LIST_HEAD(target_trace_callback_list);
117 static const int polling_interval = TARGET_DEFAULT_POLLING_INTERVAL;
118 static LIST_HEAD(empty_smp_targets);
119
120 enum nvp_assert {
121 NVP_DEASSERT,
122 NVP_ASSERT,
123 };
124
125 static const struct nvp nvp_assert[] = {
126 { .name = "assert", NVP_ASSERT },
127 { .name = "deassert", NVP_DEASSERT },
128 { .name = "T", NVP_ASSERT },
129 { .name = "F", NVP_DEASSERT },
130 { .name = "t", NVP_ASSERT },
131 { .name = "f", NVP_DEASSERT },
132 { .name = NULL, .value = -1 }
133 };
134
135 static const struct nvp nvp_error_target[] = {
136 { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
137 { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
138 { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
139 { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
140 { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
141 { .value = ERROR_TARGET_UNALIGNED_ACCESS, .name = "err-unaligned-access" },
142 { .value = ERROR_TARGET_DATA_ABORT, .name = "err-data-abort" },
143 { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE, .name = "err-resource-not-available" },
144 { .value = ERROR_TARGET_TRANSLATION_FAULT, .name = "err-translation-fault" },
145 { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
146 { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
147 { .value = -1, .name = NULL }
148 };
149
150 static const char *target_strerror_safe(int err)
151 {
152 const struct nvp *n;
153
154 n = nvp_value2name(nvp_error_target, err);
155 if (!n->name)
156 return "unknown";
157 else
158 return n->name;
159 }
160
161 static const struct jim_nvp nvp_target_event[] = {
162
163 { .value = TARGET_EVENT_GDB_HALT, .name = "gdb-halt" },
164 { .value = TARGET_EVENT_HALTED, .name = "halted" },
165 { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
166 { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
167 { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
168 { .value = TARGET_EVENT_STEP_START, .name = "step-start" },
169 { .value = TARGET_EVENT_STEP_END, .name = "step-end" },
170
171 { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
172 { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
173
174 { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
175 { .value = TARGET_EVENT_RESET_ASSERT_PRE, .name = "reset-assert-pre" },
176 { .value = TARGET_EVENT_RESET_ASSERT, .name = "reset-assert" },
177 { .value = TARGET_EVENT_RESET_ASSERT_POST, .name = "reset-assert-post" },
178 { .value = TARGET_EVENT_RESET_DEASSERT_PRE, .name = "reset-deassert-pre" },
179 { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
180 { .value = TARGET_EVENT_RESET_INIT, .name = "reset-init" },
181 { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
182
183 { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
184 { .value = TARGET_EVENT_EXAMINE_FAIL, .name = "examine-fail" },
185 { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
186
187 { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
188 { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
189
190 { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
191 { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
192
193 { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
194 { .value = TARGET_EVENT_GDB_FLASH_WRITE_END, .name = "gdb-flash-write-end" },
195
196 { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
197 { .value = TARGET_EVENT_GDB_FLASH_ERASE_END, .name = "gdb-flash-erase-end" },
198
199 { .value = TARGET_EVENT_TRACE_CONFIG, .name = "trace-config" },
200
201 { .value = TARGET_EVENT_SEMIHOSTING_USER_CMD_0X100, .name = "semihosting-user-cmd-0x100" },
202 { .value = TARGET_EVENT_SEMIHOSTING_USER_CMD_0X101, .name = "semihosting-user-cmd-0x101" },
203 { .value = TARGET_EVENT_SEMIHOSTING_USER_CMD_0X102, .name = "semihosting-user-cmd-0x102" },
204 { .value = TARGET_EVENT_SEMIHOSTING_USER_CMD_0X103, .name = "semihosting-user-cmd-0x103" },
205 { .value = TARGET_EVENT_SEMIHOSTING_USER_CMD_0X104, .name = "semihosting-user-cmd-0x104" },
206 { .value = TARGET_EVENT_SEMIHOSTING_USER_CMD_0X105, .name = "semihosting-user-cmd-0x105" },
207 { .value = TARGET_EVENT_SEMIHOSTING_USER_CMD_0X106, .name = "semihosting-user-cmd-0x106" },
208 { .value = TARGET_EVENT_SEMIHOSTING_USER_CMD_0X107, .name = "semihosting-user-cmd-0x107" },
209
210 { .name = NULL, .value = -1 }
211 };
212
213 static const struct nvp nvp_target_state[] = {
214 { .name = "unknown", .value = TARGET_UNKNOWN },
215 { .name = "running", .value = TARGET_RUNNING },
216 { .name = "halted", .value = TARGET_HALTED },
217 { .name = "reset", .value = TARGET_RESET },
218 { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
219 { .name = NULL, .value = -1 },
220 };
221
222 static const struct nvp nvp_target_debug_reason[] = {
223 { .name = "debug-request", .value = DBG_REASON_DBGRQ },
224 { .name = "breakpoint", .value = DBG_REASON_BREAKPOINT },
225 { .name = "watchpoint", .value = DBG_REASON_WATCHPOINT },
226 { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
227 { .name = "single-step", .value = DBG_REASON_SINGLESTEP },
228 { .name = "target-not-halted", .value = DBG_REASON_NOTHALTED },
229 { .name = "program-exit", .value = DBG_REASON_EXIT },
230 { .name = "exception-catch", .value = DBG_REASON_EXC_CATCH },
231 { .name = "undefined", .value = DBG_REASON_UNDEFINED },
232 { .name = NULL, .value = -1 },
233 };
234
235 static const struct jim_nvp nvp_target_endian[] = {
236 { .name = "big", .value = TARGET_BIG_ENDIAN },
237 { .name = "little", .value = TARGET_LITTLE_ENDIAN },
238 { .name = "be", .value = TARGET_BIG_ENDIAN },
239 { .name = "le", .value = TARGET_LITTLE_ENDIAN },
240 { .name = NULL, .value = -1 },
241 };
242
243 static const struct nvp nvp_reset_modes[] = {
244 { .name = "unknown", .value = RESET_UNKNOWN },
245 { .name = "run", .value = RESET_RUN },
246 { .name = "halt", .value = RESET_HALT },
247 { .name = "init", .value = RESET_INIT },
248 { .name = NULL, .value = -1 },
249 };
250
251 const char *debug_reason_name(struct target *t)
252 {
253 const char *cp;
254
255 cp = nvp_value2name(nvp_target_debug_reason,
256 t->debug_reason)->name;
257 if (!cp) {
258 LOG_ERROR("Invalid debug reason: %d", (int)(t->debug_reason));
259 cp = "(*BUG*unknown*BUG*)";
260 }
261 return cp;
262 }
263
264 const char *target_state_name(struct target *t)
265 {
266 const char *cp;
267 cp = nvp_value2name(nvp_target_state, t->state)->name;
268 if (!cp) {
269 LOG_ERROR("Invalid target state: %d", (int)(t->state));
270 cp = "(*BUG*unknown*BUG*)";
271 }
272
273 if (!target_was_examined(t) && t->defer_examine)
274 cp = "examine deferred";
275
276 return cp;
277 }
278
279 const char *target_event_name(enum target_event event)
280 {
281 const char *cp;
282 cp = jim_nvp_value2name_simple(nvp_target_event, event)->name;
283 if (!cp) {
284 LOG_ERROR("Invalid target event: %d", (int)(event));
285 cp = "(*BUG*unknown*BUG*)";
286 }
287 return cp;
288 }
289
290 const char *target_reset_mode_name(enum target_reset_mode reset_mode)
291 {
292 const char *cp;
293 cp = nvp_value2name(nvp_reset_modes, reset_mode)->name;
294 if (!cp) {
295 LOG_ERROR("Invalid target reset mode: %d", (int)(reset_mode));
296 cp = "(*BUG*unknown*BUG*)";
297 }
298 return cp;
299 }
300
301 /* determine the number of the new target */
302 static int new_target_number(void)
303 {
304 struct target *t;
305 int x;
306
307 /* number is 0 based */
308 x = -1;
309 t = all_targets;
310 while (t) {
311 if (x < t->target_number)
312 x = t->target_number;
313 t = t->next;
314 }
315 return x + 1;
316 }
317
318 static void append_to_list_all_targets(struct target *target)
319 {
320 struct target **t = &all_targets;
321
322 while (*t)
323 t = &((*t)->next);
324 *t = target;
325 }
326
327 /* read a uint64_t from a buffer in target memory endianness */
328 uint64_t target_buffer_get_u64(struct target *target, const uint8_t *buffer)
329 {
330 if (target->endianness == TARGET_LITTLE_ENDIAN)
331 return le_to_h_u64(buffer);
332 else
333 return be_to_h_u64(buffer);
334 }
335
336 /* read a uint32_t from a buffer in target memory endianness */
337 uint32_t target_buffer_get_u32(struct target *target, const uint8_t *buffer)
338 {
339 if (target->endianness == TARGET_LITTLE_ENDIAN)
340 return le_to_h_u32(buffer);
341 else
342 return be_to_h_u32(buffer);
343 }
344
345 /* read a uint24_t from a buffer in target memory endianness */
346 uint32_t target_buffer_get_u24(struct target *target, const uint8_t *buffer)
347 {
348 if (target->endianness == TARGET_LITTLE_ENDIAN)
349 return le_to_h_u24(buffer);
350 else
351 return be_to_h_u24(buffer);
352 }
353
354 /* read a uint16_t from a buffer in target memory endianness */
355 uint16_t target_buffer_get_u16(struct target *target, const uint8_t *buffer)
356 {
357 if (target->endianness == TARGET_LITTLE_ENDIAN)
358 return le_to_h_u16(buffer);
359 else
360 return be_to_h_u16(buffer);
361 }
362
363 /* write a uint64_t to a buffer in target memory endianness */
364 void target_buffer_set_u64(struct target *target, uint8_t *buffer, uint64_t value)
365 {
366 if (target->endianness == TARGET_LITTLE_ENDIAN)
367 h_u64_to_le(buffer, value);
368 else
369 h_u64_to_be(buffer, value);
370 }
371
372 /* write a uint32_t to a buffer in target memory endianness */
373 void target_buffer_set_u32(struct target *target, uint8_t *buffer, uint32_t value)
374 {
375 if (target->endianness == TARGET_LITTLE_ENDIAN)
376 h_u32_to_le(buffer, value);
377 else
378 h_u32_to_be(buffer, value);
379 }
380
381 /* write a uint24_t to a buffer in target memory endianness */
382 void target_buffer_set_u24(struct target *target, uint8_t *buffer, uint32_t value)
383 {
384 if (target->endianness == TARGET_LITTLE_ENDIAN)
385 h_u24_to_le(buffer, value);
386 else
387 h_u24_to_be(buffer, value);
388 }
389
390 /* write a uint16_t to a buffer in target memory endianness */
391 void target_buffer_set_u16(struct target *target, uint8_t *buffer, uint16_t value)
392 {
393 if (target->endianness == TARGET_LITTLE_ENDIAN)
394 h_u16_to_le(buffer, value);
395 else
396 h_u16_to_be(buffer, value);
397 }
398
399 /* write a uint8_t to a buffer in target memory endianness */
400 static void target_buffer_set_u8(struct target *target, uint8_t *buffer, uint8_t value)
401 {
402 *buffer = value;
403 }
404
405 /* write a uint64_t array to a buffer in target memory endianness */
406 void target_buffer_get_u64_array(struct target *target, const uint8_t *buffer, uint32_t count, uint64_t *dstbuf)
407 {
408 uint32_t i;
409 for (i = 0; i < count; i++)
410 dstbuf[i] = target_buffer_get_u64(target, &buffer[i * 8]);
411 }
412
413 /* write a uint32_t array to a buffer in target memory endianness */
414 void target_buffer_get_u32_array(struct target *target, const uint8_t *buffer, uint32_t count, uint32_t *dstbuf)
415 {
416 uint32_t i;
417 for (i = 0; i < count; i++)
418 dstbuf[i] = target_buffer_get_u32(target, &buffer[i * 4]);
419 }
420
421 /* write a uint16_t array to a buffer in target memory endianness */
422 void target_buffer_get_u16_array(struct target *target, const uint8_t *buffer, uint32_t count, uint16_t *dstbuf)
423 {
424 uint32_t i;
425 for (i = 0; i < count; i++)
426 dstbuf[i] = target_buffer_get_u16(target, &buffer[i * 2]);
427 }
428
429 /* write a uint64_t array to a buffer in target memory endianness */
430 void target_buffer_set_u64_array(struct target *target, uint8_t *buffer, uint32_t count, const uint64_t *srcbuf)
431 {
432 uint32_t i;
433 for (i = 0; i < count; i++)
434 target_buffer_set_u64(target, &buffer[i * 8], srcbuf[i]);
435 }
436
437 /* write a uint32_t array to a buffer in target memory endianness */
438 void target_buffer_set_u32_array(struct target *target, uint8_t *buffer, uint32_t count, const uint32_t *srcbuf)
439 {
440 uint32_t i;
441 for (i = 0; i < count; i++)
442 target_buffer_set_u32(target, &buffer[i * 4], srcbuf[i]);
443 }
444
445 /* write a uint16_t array to a buffer in target memory endianness */
446 void target_buffer_set_u16_array(struct target *target, uint8_t *buffer, uint32_t count, const uint16_t *srcbuf)
447 {
448 uint32_t i;
449 for (i = 0; i < count; i++)
450 target_buffer_set_u16(target, &buffer[i * 2], srcbuf[i]);
451 }
452
453 /* return a pointer to a configured target; id is name or number */
454 struct target *get_target(const char *id)
455 {
456 struct target *target;
457
458 /* try as tcltarget name */
459 for (target = all_targets; target; target = target->next) {
460 if (!target_name(target))
461 continue;
462 if (strcmp(id, target_name(target)) == 0)
463 return target;
464 }
465
466 /* It's OK to remove this fallback sometime after August 2010 or so */
467
468 /* no match, try as number */
469 unsigned num;
470 if (parse_uint(id, &num) != ERROR_OK)
471 return NULL;
472
473 for (target = all_targets; target; target = target->next) {
474 if (target->target_number == (int)num) {
475 LOG_WARNING("use '%s' as target identifier, not '%u'",
476 target_name(target), num);
477 return target;
478 }
479 }
480
481 return NULL;
482 }
483
484 /* returns a pointer to the n-th configured target */
485 struct target *get_target_by_num(int num)
486 {
487 struct target *target = all_targets;
488
489 while (target) {
490 if (target->target_number == num)
491 return target;
492 target = target->next;
493 }
494
495 return NULL;
496 }
497
498 struct target *get_current_target(struct command_context *cmd_ctx)
499 {
500 struct target *target = get_current_target_or_null(cmd_ctx);
501
502 if (!target) {
503 LOG_ERROR("BUG: current_target out of bounds");
504 exit(-1);
505 }
506
507 return target;
508 }
509
510 struct target *get_current_target_or_null(struct command_context *cmd_ctx)
511 {
512 return cmd_ctx->current_target_override
513 ? cmd_ctx->current_target_override
514 : cmd_ctx->current_target;
515 }
516
517 int target_poll(struct target *target)
518 {
519 int retval;
520
521 /* We can't poll until after examine */
522 if (!target_was_examined(target)) {
523 /* Fail silently lest we pollute the log */
524 return ERROR_FAIL;
525 }
526
527 retval = target->type->poll(target);
528 if (retval != ERROR_OK)
529 return retval;
530
531 if (target->halt_issued) {
532 if (target->state == TARGET_HALTED)
533 target->halt_issued = false;
534 else {
535 int64_t t = timeval_ms() - target->halt_issued_time;
536 if (t > DEFAULT_HALT_TIMEOUT) {
537 target->halt_issued = false;
538 LOG_INFO("Halt timed out, wake up GDB.");
539 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
540 }
541 }
542 }
543
544 return ERROR_OK;
545 }
546
547 int target_halt(struct target *target)
548 {
549 int retval;
550 /* We can't poll until after examine */
551 if (!target_was_examined(target)) {
552 LOG_ERROR("Target not examined yet");
553 return ERROR_FAIL;
554 }
555
556 retval = target->type->halt(target);
557 if (retval != ERROR_OK)
558 return retval;
559
560 target->halt_issued = true;
561 target->halt_issued_time = timeval_ms();
562
563 return ERROR_OK;
564 }
565
566 /**
567 * Make the target (re)start executing using its saved execution
568 * context (possibly with some modifications).
569 *
570 * @param target Which target should start executing.
571 * @param current True to use the target's saved program counter instead
572 * of the address parameter
573 * @param address Optionally used as the program counter.
574 * @param handle_breakpoints True iff breakpoints at the resumption PC
575 * should be skipped. (For example, maybe execution was stopped by
576 * such a breakpoint, in which case it would be counterproductive to
577 * let it re-trigger.
578 * @param debug_execution False if all working areas allocated by OpenOCD
579 * should be released and/or restored to their original contents.
580 * (This would for example be true to run some downloaded "helper"
581 * algorithm code, which resides in one such working buffer and uses
582 * another for data storage.)
583 *
584 * @todo Resolve the ambiguity about what the "debug_execution" flag
585 * signifies. For example, Target implementations don't agree on how
586 * it relates to invalidation of the register cache, or to whether
587 * breakpoints and watchpoints should be enabled. (It would seem wrong
588 * to enable breakpoints when running downloaded "helper" algorithms
589 * (debug_execution true), since the breakpoints would be set to match
590 * target firmware being debugged, not the helper algorithm.... and
591 * enabling them could cause such helpers to malfunction (for example,
592 * by overwriting data with a breakpoint instruction. On the other
593 * hand the infrastructure for running such helpers might use this
594 * procedure but rely on hardware breakpoint to detect termination.)
595 */
596 int target_resume(struct target *target, int current, target_addr_t address,
597 int handle_breakpoints, int debug_execution)
598 {
599 int retval;
600
601 /* We can't poll until after examine */
602 if (!target_was_examined(target)) {
603 LOG_ERROR("Target not examined yet");
604 return ERROR_FAIL;
605 }
606
607 target_call_event_callbacks(target, TARGET_EVENT_RESUME_START);
608
609 /* note that resume *must* be asynchronous. The CPU can halt before
610 * we poll. The CPU can even halt at the current PC as a result of
611 * a software breakpoint being inserted by (a bug?) the application.
612 */
613 /*
614 * resume() triggers the event 'resumed'. The execution of TCL commands
615 * in the event handler causes the polling of targets. If the target has
616 * already halted for a breakpoint, polling will run the 'halted' event
617 * handler before the pending 'resumed' handler.
618 * Disable polling during resume() to guarantee the execution of handlers
619 * in the correct order.
620 */
621 bool save_poll_mask = jtag_poll_mask();
622 retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution);
623 jtag_poll_unmask(save_poll_mask);
624
625 if (retval != ERROR_OK)
626 return retval;
627
628 target_call_event_callbacks(target, TARGET_EVENT_RESUME_END);
629
630 return retval;
631 }
632
633 static int target_process_reset(struct command_invocation *cmd, enum target_reset_mode reset_mode)
634 {
635 char buf[100];
636 int retval;
637 const struct nvp *n;
638 n = nvp_value2name(nvp_reset_modes, reset_mode);
639 if (!n->name) {
640 LOG_ERROR("invalid reset mode");
641 return ERROR_FAIL;
642 }
643
644 struct target *target;
645 for (target = all_targets; target; target = target->next)
646 target_call_reset_callbacks(target, reset_mode);
647
648 /* disable polling during reset to make reset event scripts
649 * more predictable, i.e. dr/irscan & pathmove in events will
650 * not have JTAG operations injected into the middle of a sequence.
651 */
652 bool save_poll_mask = jtag_poll_mask();
653
654 sprintf(buf, "ocd_process_reset %s", n->name);
655 retval = Jim_Eval(cmd->ctx->interp, buf);
656
657 jtag_poll_unmask(save_poll_mask);
658
659 if (retval != JIM_OK) {
660 Jim_MakeErrorMessage(cmd->ctx->interp);
661 command_print(cmd, "%s", Jim_GetString(Jim_GetResult(cmd->ctx->interp), NULL));
662 return ERROR_FAIL;
663 }
664
665 /* We want any events to be processed before the prompt */
666 retval = target_call_timer_callbacks_now();
667
668 for (target = all_targets; target; target = target->next) {
669 target->type->check_reset(target);
670 target->running_alg = false;
671 }
672
673 return retval;
674 }
675
676 static int identity_virt2phys(struct target *target,
677 target_addr_t virtual, target_addr_t *physical)
678 {
679 *physical = virtual;
680 return ERROR_OK;
681 }
682
683 static int no_mmu(struct target *target, int *enabled)
684 {
685 *enabled = 0;
686 return ERROR_OK;
687 }
688
689 /**
690 * Reset the @c examined flag for the given target.
691 * Pure paranoia -- targets are zeroed on allocation.
692 */
693 static inline void target_reset_examined(struct target *target)
694 {
695 target->examined = false;
696 }
697
698 static int default_examine(struct target *target)
699 {
700 target_set_examined(target);
701 return ERROR_OK;
702 }
703
704 /* no check by default */
705 static int default_check_reset(struct target *target)
706 {
707 return ERROR_OK;
708 }
709
710 /* Equivalent Tcl code arp_examine_one is in src/target/startup.tcl
711 * Keep in sync */
712 int target_examine_one(struct target *target)
713 {
714 target_call_event_callbacks(target, TARGET_EVENT_EXAMINE_START);
715
716 int retval = target->type->examine(target);
717 if (retval != ERROR_OK) {
718 target_reset_examined(target);
719 target_call_event_callbacks(target, TARGET_EVENT_EXAMINE_FAIL);
720 return retval;
721 }
722
723 target_set_examined(target);
724 target_call_event_callbacks(target, TARGET_EVENT_EXAMINE_END);
725
726 return ERROR_OK;
727 }
728
729 static int jtag_enable_callback(enum jtag_event event, void *priv)
730 {
731 struct target *target = priv;
732
733 if (event != JTAG_TAP_EVENT_ENABLE || !target->tap->enabled)
734 return ERROR_OK;
735
736 jtag_unregister_event_callback(jtag_enable_callback, target);
737
738 return target_examine_one(target);
739 }
740
741 /* Targets that correctly implement init + examine, i.e.
742 * no communication with target during init:
743 *
744 * XScale
745 */
746 int target_examine(void)
747 {
748 int retval = ERROR_OK;
749 struct target *target;
750
751 for (target = all_targets; target; target = target->next) {
752 /* defer examination, but don't skip it */
753 if (!target->tap->enabled) {
754 jtag_register_event_callback(jtag_enable_callback,
755 target);
756 continue;
757 }
758
759 if (target->defer_examine)
760 continue;
761
762 int retval2 = target_examine_one(target);
763 if (retval2 != ERROR_OK) {
764 LOG_WARNING("target %s examination failed", target_name(target));
765 retval = retval2;
766 }
767 }
768 return retval;
769 }
770
771 const char *target_type_name(struct target *target)
772 {
773 return target->type->name;
774 }
775
776 static int target_soft_reset_halt(struct target *target)
777 {
778 if (!target_was_examined(target)) {
779 LOG_ERROR("Target not examined yet");
780 return ERROR_FAIL;
781 }
782 if (!target->type->soft_reset_halt) {
783 LOG_ERROR("Target %s does not support soft_reset_halt",
784 target_name(target));
785 return ERROR_FAIL;
786 }
787 return target->type->soft_reset_halt(target);
788 }
789
790 /**
791 * Downloads a target-specific native code algorithm to the target,
792 * and executes it. * Note that some targets may need to set up, enable,
793 * and tear down a breakpoint (hard or * soft) to detect algorithm
794 * termination, while others may support lower overhead schemes where
795 * soft breakpoints embedded in the algorithm automatically terminate the
796 * algorithm.
797 *
798 * @param target used to run the algorithm
799 * @param num_mem_params
800 * @param mem_params
801 * @param num_reg_params
802 * @param reg_param
803 * @param entry_point
804 * @param exit_point
805 * @param timeout_ms
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 target_addr_t entry_point, target_addr_t exit_point,
812 unsigned 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 num_mem_params
842 * @param mem_params
843 * @param num_reg_params
844 * @param reg_params
845 * @param entry_point
846 * @param exit_point
847 * @param arch_info target-specific description of the algorithm.
848 */
849 int target_start_algorithm(struct target *target,
850 int num_mem_params, struct mem_param *mem_params,
851 int num_reg_params, struct reg_param *reg_params,
852 target_addr_t entry_point, target_addr_t exit_point,
853 void *arch_info)
854 {
855 int retval = ERROR_FAIL;
856
857 if (!target_was_examined(target)) {
858 LOG_ERROR("Target not examined yet");
859 goto done;
860 }
861 if (!target->type->start_algorithm) {
862 LOG_ERROR("Target type '%s' does not support %s",
863 target_type_name(target), __func__);
864 goto done;
865 }
866 if (target->running_alg) {
867 LOG_ERROR("Target is already running an algorithm");
868 goto done;
869 }
870
871 target->running_alg = true;
872 retval = target->type->start_algorithm(target,
873 num_mem_params, mem_params,
874 num_reg_params, reg_params,
875 entry_point, exit_point, arch_info);
876
877 done:
878 return retval;
879 }
880
881 /**
882 * Waits for an algorithm started with target_start_algorithm() to complete.
883 *
884 * @param target used to run the algorithm
885 * @param num_mem_params
886 * @param mem_params
887 * @param num_reg_params
888 * @param reg_params
889 * @param exit_point
890 * @param timeout_ms
891 * @param arch_info target-specific description of the algorithm.
892 */
893 int target_wait_algorithm(struct target *target,
894 int num_mem_params, struct mem_param *mem_params,
895 int num_reg_params, struct reg_param *reg_params,
896 target_addr_t exit_point, unsigned int timeout_ms,
897 void *arch_info)
898 {
899 int retval = ERROR_FAIL;
900
901 if (!target->type->wait_algorithm) {
902 LOG_ERROR("Target type '%s' does not support %s",
903 target_type_name(target), __func__);
904 goto done;
905 }
906 if (!target->running_alg) {
907 LOG_ERROR("Target is not running an algorithm");
908 goto done;
909 }
910
911 retval = target->type->wait_algorithm(target,
912 num_mem_params, mem_params,
913 num_reg_params, reg_params,
914 exit_point, timeout_ms, arch_info);
915 if (retval != ERROR_TARGET_TIMEOUT)
916 target->running_alg = false;
917
918 done:
919 return retval;
920 }
921
922 /**
923 * Streams data to a circular buffer on target intended for consumption by code
924 * running asynchronously on target.
925 *
926 * This is intended for applications where target-specific native code runs
927 * on the target, receives data from the circular buffer, does something with
928 * it (most likely writing it to a flash memory), and advances the circular
929 * buffer pointer.
930 *
931 * This assumes that the helper algorithm has already been loaded to the target,
932 * but has not been started yet. Given memory and register parameters are passed
933 * to the algorithm.
934 *
935 * The buffer is defined by (buffer_start, buffer_size) arguments and has the
936 * following format:
937 *
938 * [buffer_start + 0, buffer_start + 4):
939 * Write Pointer address (aka head). Written and updated by this
940 * routine when new data is written to the circular buffer.
941 * [buffer_start + 4, buffer_start + 8):
942 * Read Pointer address (aka tail). Updated by code running on the
943 * target after it consumes data.
944 * [buffer_start + 8, buffer_start + buffer_size):
945 * Circular buffer contents.
946 *
947 * See contrib/loaders/flash/stm32f1x.S for an example.
948 *
949 * @param target used to run the algorithm
950 * @param buffer address on the host where data to be sent is located
951 * @param count number of blocks to send
952 * @param block_size size in bytes of each block
953 * @param num_mem_params count of memory-based params to pass to algorithm
954 * @param mem_params memory-based params to pass to algorithm
955 * @param num_reg_params count of register-based params to pass to algorithm
956 * @param reg_params memory-based params to pass to algorithm
957 * @param buffer_start address on the target of the circular buffer structure
958 * @param buffer_size size of the circular buffer structure
959 * @param entry_point address on the target to execute to start the algorithm
960 * @param exit_point address at which to set a breakpoint to catch the
961 * end of the algorithm; can be 0 if target triggers a breakpoint itself
962 * @param arch_info
963 */
964
965 int target_run_flash_async_algorithm(struct target *target,
966 const uint8_t *buffer, uint32_t count, int block_size,
967 int num_mem_params, struct mem_param *mem_params,
968 int num_reg_params, struct reg_param *reg_params,
969 uint32_t buffer_start, uint32_t buffer_size,
970 uint32_t entry_point, uint32_t exit_point, void *arch_info)
971 {
972 int retval;
973 int timeout = 0;
974
975 const uint8_t *buffer_orig = buffer;
976
977 /* Set up working area. First word is write pointer, second word is read pointer,
978 * rest is fifo data area. */
979 uint32_t wp_addr = buffer_start;
980 uint32_t rp_addr = buffer_start + 4;
981 uint32_t fifo_start_addr = buffer_start + 8;
982 uint32_t fifo_end_addr = buffer_start + buffer_size;
983
984 uint32_t wp = fifo_start_addr;
985 uint32_t rp = fifo_start_addr;
986
987 /* validate block_size is 2^n */
988 assert(IS_PWR_OF_2(block_size));
989
990 retval = target_write_u32(target, wp_addr, wp);
991 if (retval != ERROR_OK)
992 return retval;
993 retval = target_write_u32(target, rp_addr, rp);
994 if (retval != ERROR_OK)
995 return retval;
996
997 /* Start up algorithm on target and let it idle while writing the first chunk */
998 retval = target_start_algorithm(target, num_mem_params, mem_params,
999 num_reg_params, reg_params,
1000 entry_point,
1001 exit_point,
1002 arch_info);
1003
1004 if (retval != ERROR_OK) {
1005 LOG_ERROR("error starting target flash write algorithm");
1006 return retval;
1007 }
1008
1009 while (count > 0) {
1010
1011 retval = target_read_u32(target, rp_addr, &rp);
1012 if (retval != ERROR_OK) {
1013 LOG_ERROR("failed to get read pointer");
1014 break;
1015 }
1016
1017 LOG_DEBUG("offs 0x%zx count 0x%" PRIx32 " wp 0x%" PRIx32 " rp 0x%" PRIx32,
1018 (size_t) (buffer - buffer_orig), count, wp, rp);
1019
1020 if (rp == 0) {
1021 LOG_ERROR("flash write algorithm aborted by target");
1022 retval = ERROR_FLASH_OPERATION_FAILED;
1023 break;
1024 }
1025
1026 if (!IS_ALIGNED(rp - fifo_start_addr, block_size) || rp < fifo_start_addr || rp >= fifo_end_addr) {
1027 LOG_ERROR("corrupted fifo read pointer 0x%" PRIx32, rp);
1028 break;
1029 }
1030
1031 /* Count the number of bytes available in the fifo without
1032 * crossing the wrap around. Make sure to not fill it completely,
1033 * because that would make wp == rp and that's the empty condition. */
1034 uint32_t thisrun_bytes;
1035 if (rp > wp)
1036 thisrun_bytes = rp - wp - block_size;
1037 else if (rp > fifo_start_addr)
1038 thisrun_bytes = fifo_end_addr - wp;
1039 else
1040 thisrun_bytes = fifo_end_addr - wp - block_size;
1041
1042 if (thisrun_bytes == 0) {
1043 /* Throttle polling a bit if transfer is (much) faster than flash
1044 * programming. The exact delay shouldn't matter as long as it's
1045 * less than buffer size / flash speed. This is very unlikely to
1046 * run when using high latency connections such as USB. */
1047 alive_sleep(2);
1048
1049 /* to stop an infinite loop on some targets check and increment a timeout
1050 * this issue was observed on a stellaris using the new ICDI interface */
1051 if (timeout++ >= 2500) {
1052 LOG_ERROR("timeout waiting for algorithm, a target reset is recommended");
1053 return ERROR_FLASH_OPERATION_FAILED;
1054 }
1055 continue;
1056 }
1057
1058 /* reset our timeout */
1059 timeout = 0;
1060
1061 /* Limit to the amount of data we actually want to write */
1062 if (thisrun_bytes > count * block_size)
1063 thisrun_bytes = count * block_size;
1064
1065 /* Force end of large blocks to be word aligned */
1066 if (thisrun_bytes >= 16)
1067 thisrun_bytes -= (rp + thisrun_bytes) & 0x03;
1068
1069 /* Write data to fifo */
1070 retval = target_write_buffer(target, wp, thisrun_bytes, buffer);
1071 if (retval != ERROR_OK)
1072 break;
1073
1074 /* Update counters and wrap write pointer */
1075 buffer += thisrun_bytes;
1076 count -= thisrun_bytes / block_size;
1077 wp += thisrun_bytes;
1078 if (wp >= fifo_end_addr)
1079 wp = fifo_start_addr;
1080
1081 /* Store updated write pointer to target */
1082 retval = target_write_u32(target, wp_addr, wp);
1083 if (retval != ERROR_OK)
1084 break;
1085
1086 /* Avoid GDB timeouts */
1087 keep_alive();
1088 }
1089
1090 if (retval != ERROR_OK) {
1091 /* abort flash write algorithm on target */
1092 target_write_u32(target, wp_addr, 0);
1093 }
1094
1095 int retval2 = target_wait_algorithm(target, num_mem_params, mem_params,
1096 num_reg_params, reg_params,
1097 exit_point,
1098 10000,
1099 arch_info);
1100
1101 if (retval2 != ERROR_OK) {
1102 LOG_ERROR("error waiting for target flash write algorithm");
1103 retval = retval2;
1104 }
1105
1106 if (retval == ERROR_OK) {
1107 /* check if algorithm set rp = 0 after fifo writer loop finished */
1108 retval = target_read_u32(target, rp_addr, &rp);
1109 if (retval == ERROR_OK && rp == 0) {
1110 LOG_ERROR("flash write algorithm aborted by target");
1111 retval = ERROR_FLASH_OPERATION_FAILED;
1112 }
1113 }
1114
1115 return retval;
1116 }
1117
1118 int target_run_read_async_algorithm(struct target *target,
1119 uint8_t *buffer, uint32_t count, int block_size,
1120 int num_mem_params, struct mem_param *mem_params,
1121 int num_reg_params, struct reg_param *reg_params,
1122 uint32_t buffer_start, uint32_t buffer_size,
1123 uint32_t entry_point, uint32_t exit_point, void *arch_info)
1124 {
1125 int retval;
1126 int timeout = 0;
1127
1128 const uint8_t *buffer_orig = buffer;
1129
1130 /* Set up working area. First word is write pointer, second word is read pointer,
1131 * rest is fifo data area. */
1132 uint32_t wp_addr = buffer_start;
1133 uint32_t rp_addr = buffer_start + 4;
1134 uint32_t fifo_start_addr = buffer_start + 8;
1135 uint32_t fifo_end_addr = buffer_start + buffer_size;
1136
1137 uint32_t wp = fifo_start_addr;
1138 uint32_t rp = fifo_start_addr;
1139
1140 /* validate block_size is 2^n */
1141 assert(IS_PWR_OF_2(block_size));
1142
1143 retval = target_write_u32(target, wp_addr, wp);
1144 if (retval != ERROR_OK)
1145 return retval;
1146 retval = target_write_u32(target, rp_addr, rp);
1147 if (retval != ERROR_OK)
1148 return retval;
1149
1150 /* Start up algorithm on target */
1151 retval = target_start_algorithm(target, num_mem_params, mem_params,
1152 num_reg_params, reg_params,
1153 entry_point,
1154 exit_point,
1155 arch_info);
1156
1157 if (retval != ERROR_OK) {
1158 LOG_ERROR("error starting target flash read algorithm");
1159 return retval;
1160 }
1161
1162 while (count > 0) {
1163 retval = target_read_u32(target, wp_addr, &wp);
1164 if (retval != ERROR_OK) {
1165 LOG_ERROR("failed to get write pointer");
1166 break;
1167 }
1168
1169 LOG_DEBUG("offs 0x%zx count 0x%" PRIx32 " wp 0x%" PRIx32 " rp 0x%" PRIx32,
1170 (size_t)(buffer - buffer_orig), count, wp, rp);
1171
1172 if (wp == 0) {
1173 LOG_ERROR("flash read algorithm aborted by target");
1174 retval = ERROR_FLASH_OPERATION_FAILED;
1175 break;
1176 }
1177
1178 if (!IS_ALIGNED(wp - fifo_start_addr, block_size) || wp < fifo_start_addr || wp >= fifo_end_addr) {
1179 LOG_ERROR("corrupted fifo write pointer 0x%" PRIx32, wp);
1180 break;
1181 }
1182
1183 /* Count the number of bytes available in the fifo without
1184 * crossing the wrap around. */
1185 uint32_t thisrun_bytes;
1186 if (wp >= rp)
1187 thisrun_bytes = wp - rp;
1188 else
1189 thisrun_bytes = fifo_end_addr - rp;
1190
1191 if (thisrun_bytes == 0) {
1192 /* Throttle polling a bit if transfer is (much) faster than flash
1193 * reading. The exact delay shouldn't matter as long as it's
1194 * less than buffer size / flash speed. This is very unlikely to
1195 * run when using high latency connections such as USB. */
1196 alive_sleep(2);
1197
1198 /* to stop an infinite loop on some targets check and increment a timeout
1199 * this issue was observed on a stellaris using the new ICDI interface */
1200 if (timeout++ >= 2500) {
1201 LOG_ERROR("timeout waiting for algorithm, a target reset is recommended");
1202 return ERROR_FLASH_OPERATION_FAILED;
1203 }
1204 continue;
1205 }
1206
1207 /* Reset our timeout */
1208 timeout = 0;
1209
1210 /* Limit to the amount of data we actually want to read */
1211 if (thisrun_bytes > count * block_size)
1212 thisrun_bytes = count * block_size;
1213
1214 /* Force end of large blocks to be word aligned */
1215 if (thisrun_bytes >= 16)
1216 thisrun_bytes -= (rp + thisrun_bytes) & 0x03;
1217
1218 /* Read data from fifo */
1219 retval = target_read_buffer(target, rp, thisrun_bytes, buffer);
1220 if (retval != ERROR_OK)
1221 break;
1222
1223 /* Update counters and wrap write pointer */
1224 buffer += thisrun_bytes;
1225 count -= thisrun_bytes / block_size;
1226 rp += thisrun_bytes;
1227 if (rp >= fifo_end_addr)
1228 rp = fifo_start_addr;
1229
1230 /* Store updated write pointer to target */
1231 retval = target_write_u32(target, rp_addr, rp);
1232 if (retval != ERROR_OK)
1233 break;
1234
1235 /* Avoid GDB timeouts */
1236 keep_alive();
1237
1238 }
1239
1240 if (retval != ERROR_OK) {
1241 /* abort flash write algorithm on target */
1242 target_write_u32(target, rp_addr, 0);
1243 }
1244
1245 int retval2 = target_wait_algorithm(target, num_mem_params, mem_params,
1246 num_reg_params, reg_params,
1247 exit_point,
1248 10000,
1249 arch_info);
1250
1251 if (retval2 != ERROR_OK) {
1252 LOG_ERROR("error waiting for target flash write algorithm");
1253 retval = retval2;
1254 }
1255
1256 if (retval == ERROR_OK) {
1257 /* check if algorithm set wp = 0 after fifo writer loop finished */
1258 retval = target_read_u32(target, wp_addr, &wp);
1259 if (retval == ERROR_OK && wp == 0) {
1260 LOG_ERROR("flash read algorithm aborted by target");
1261 retval = ERROR_FLASH_OPERATION_FAILED;
1262 }
1263 }
1264
1265 return retval;
1266 }
1267
1268 int target_read_memory(struct target *target,
1269 target_addr_t address, uint32_t size, uint32_t count, uint8_t *buffer)
1270 {
1271 if (!target_was_examined(target)) {
1272 LOG_ERROR("Target not examined yet");
1273 return ERROR_FAIL;
1274 }
1275 if (!target->type->read_memory) {
1276 LOG_ERROR("Target %s doesn't support read_memory", target_name(target));
1277 return ERROR_FAIL;
1278 }
1279 return target->type->read_memory(target, address, size, count, buffer);
1280 }
1281
1282 int target_read_phys_memory(struct target *target,
1283 target_addr_t address, uint32_t size, uint32_t count, uint8_t *buffer)
1284 {
1285 if (!target_was_examined(target)) {
1286 LOG_ERROR("Target not examined yet");
1287 return ERROR_FAIL;
1288 }
1289 if (!target->type->read_phys_memory) {
1290 LOG_ERROR("Target %s doesn't support read_phys_memory", target_name(target));
1291 return ERROR_FAIL;
1292 }
1293 return target->type->read_phys_memory(target, address, size, count, buffer);
1294 }
1295
1296 int target_write_memory(struct target *target,
1297 target_addr_t address, uint32_t size, uint32_t count, const uint8_t *buffer)
1298 {
1299 if (!target_was_examined(target)) {
1300 LOG_ERROR("Target not examined yet");
1301 return ERROR_FAIL;
1302 }
1303 if (!target->type->write_memory) {
1304 LOG_ERROR("Target %s doesn't support write_memory", target_name(target));
1305 return ERROR_FAIL;
1306 }
1307 return target->type->write_memory(target, address, size, count, buffer);
1308 }
1309
1310 int target_write_phys_memory(struct target *target,
1311 target_addr_t address, uint32_t size, uint32_t count, const uint8_t *buffer)
1312 {
1313 if (!target_was_examined(target)) {
1314 LOG_ERROR("Target not examined yet");
1315 return ERROR_FAIL;
1316 }
1317 if (!target->type->write_phys_memory) {
1318 LOG_ERROR("Target %s doesn't support write_phys_memory", target_name(target));
1319 return ERROR_FAIL;
1320 }
1321 return target->type->write_phys_memory(target, address, size, count, buffer);
1322 }
1323
1324 int target_add_breakpoint(struct target *target,
1325 struct breakpoint *breakpoint)
1326 {
1327 if ((target->state != TARGET_HALTED) && (breakpoint->type != BKPT_HARD)) {
1328 LOG_TARGET_ERROR(target, "not halted (add breakpoint)");
1329 return ERROR_TARGET_NOT_HALTED;
1330 }
1331 return target->type->add_breakpoint(target, breakpoint);
1332 }
1333
1334 int target_add_context_breakpoint(struct target *target,
1335 struct breakpoint *breakpoint)
1336 {
1337 if (target->state != TARGET_HALTED) {
1338 LOG_TARGET_ERROR(target, "not halted (add context breakpoint)");
1339 return ERROR_TARGET_NOT_HALTED;
1340 }
1341 return target->type->add_context_breakpoint(target, breakpoint);
1342 }
1343
1344 int target_add_hybrid_breakpoint(struct target *target,
1345 struct breakpoint *breakpoint)
1346 {
1347 if (target->state != TARGET_HALTED) {
1348 LOG_TARGET_ERROR(target, "not halted (add hybrid breakpoint)");
1349 return ERROR_TARGET_NOT_HALTED;
1350 }
1351 return target->type->add_hybrid_breakpoint(target, breakpoint);
1352 }
1353
1354 int target_remove_breakpoint(struct target *target,
1355 struct breakpoint *breakpoint)
1356 {
1357 return target->type->remove_breakpoint(target, breakpoint);
1358 }
1359
1360 int target_add_watchpoint(struct target *target,
1361 struct watchpoint *watchpoint)
1362 {
1363 if (target->state != TARGET_HALTED) {
1364 LOG_TARGET_ERROR(target, "not halted (add watchpoint)");
1365 return ERROR_TARGET_NOT_HALTED;
1366 }
1367 return target->type->add_watchpoint(target, watchpoint);
1368 }
1369 int target_remove_watchpoint(struct target *target,
1370 struct watchpoint *watchpoint)
1371 {
1372 return target->type->remove_watchpoint(target, watchpoint);
1373 }
1374 int target_hit_watchpoint(struct target *target,
1375 struct watchpoint **hit_watchpoint)
1376 {
1377 if (target->state != TARGET_HALTED) {
1378 LOG_TARGET_ERROR(target, "not halted (hit watchpoint)");
1379 return ERROR_TARGET_NOT_HALTED;
1380 }
1381
1382 if (!target->type->hit_watchpoint) {
1383 /* For backward compatible, if hit_watchpoint is not implemented,
1384 * return ERROR_FAIL such that gdb_server will not take the nonsense
1385 * information. */
1386 return ERROR_FAIL;
1387 }
1388
1389 return target->type->hit_watchpoint(target, hit_watchpoint);
1390 }
1391
1392 const char *target_get_gdb_arch(struct target *target)
1393 {
1394 if (!target->type->get_gdb_arch)
1395 return NULL;
1396 return target->type->get_gdb_arch(target);
1397 }
1398
1399 int target_get_gdb_reg_list(struct target *target,
1400 struct reg **reg_list[], int *reg_list_size,
1401 enum target_register_class reg_class)
1402 {
1403 int result = ERROR_FAIL;
1404
1405 if (!target_was_examined(target)) {
1406 LOG_ERROR("Target not examined yet");
1407 goto done;
1408 }
1409
1410 result = target->type->get_gdb_reg_list(target, reg_list,
1411 reg_list_size, reg_class);
1412
1413 done:
1414 if (result != ERROR_OK) {
1415 *reg_list = NULL;
1416 *reg_list_size = 0;
1417 }
1418 return result;
1419 }
1420
1421 int target_get_gdb_reg_list_noread(struct target *target,
1422 struct reg **reg_list[], int *reg_list_size,
1423 enum target_register_class reg_class)
1424 {
1425 if (target->type->get_gdb_reg_list_noread &&
1426 target->type->get_gdb_reg_list_noread(target, reg_list,
1427 reg_list_size, reg_class) == ERROR_OK)
1428 return ERROR_OK;
1429 return target_get_gdb_reg_list(target, reg_list, reg_list_size, reg_class);
1430 }
1431
1432 bool target_supports_gdb_connection(struct target *target)
1433 {
1434 /*
1435 * exclude all the targets that don't provide get_gdb_reg_list
1436 * or that have explicit gdb_max_connection == 0
1437 */
1438 return !!target->type->get_gdb_reg_list && !!target->gdb_max_connections;
1439 }
1440
1441 int target_step(struct target *target,
1442 int current, target_addr_t address, int handle_breakpoints)
1443 {
1444 int retval;
1445
1446 target_call_event_callbacks(target, TARGET_EVENT_STEP_START);
1447
1448 retval = target->type->step(target, current, address, handle_breakpoints);
1449 if (retval != ERROR_OK)
1450 return retval;
1451
1452 target_call_event_callbacks(target, TARGET_EVENT_STEP_END);
1453
1454 return retval;
1455 }
1456
1457 int target_get_gdb_fileio_info(struct target *target, struct gdb_fileio_info *fileio_info)
1458 {
1459 if (target->state != TARGET_HALTED) {
1460 LOG_TARGET_ERROR(target, "not halted (gdb fileio)");
1461 return ERROR_TARGET_NOT_HALTED;
1462 }
1463 return target->type->get_gdb_fileio_info(target, fileio_info);
1464 }
1465
1466 int target_gdb_fileio_end(struct target *target, int retcode, int fileio_errno, bool ctrl_c)
1467 {
1468 if (target->state != TARGET_HALTED) {
1469 LOG_TARGET_ERROR(target, "not halted (gdb fileio end)");
1470 return ERROR_TARGET_NOT_HALTED;
1471 }
1472 return target->type->gdb_fileio_end(target, retcode, fileio_errno, ctrl_c);
1473 }
1474
1475 target_addr_t target_address_max(struct target *target)
1476 {
1477 unsigned bits = target_address_bits(target);
1478 if (sizeof(target_addr_t) * 8 == bits)
1479 return (target_addr_t) -1;
1480 else
1481 return (((target_addr_t) 1) << bits) - 1;
1482 }
1483
1484 unsigned target_address_bits(struct target *target)
1485 {
1486 if (target->type->address_bits)
1487 return target->type->address_bits(target);
1488 return 32;
1489 }
1490
1491 unsigned int target_data_bits(struct target *target)
1492 {
1493 if (target->type->data_bits)
1494 return target->type->data_bits(target);
1495 return 32;
1496 }
1497
1498 static int target_profiling(struct target *target, uint32_t *samples,
1499 uint32_t max_num_samples, uint32_t *num_samples, uint32_t seconds)
1500 {
1501 return target->type->profiling(target, samples, max_num_samples,
1502 num_samples, seconds);
1503 }
1504
1505 static int handle_target(void *priv);
1506
1507 static int target_init_one(struct command_context *cmd_ctx,
1508 struct target *target)
1509 {
1510 target_reset_examined(target);
1511
1512 struct target_type *type = target->type;
1513 if (!type->examine)
1514 type->examine = default_examine;
1515
1516 if (!type->check_reset)
1517 type->check_reset = default_check_reset;
1518
1519 assert(type->init_target);
1520
1521 int retval = type->init_target(cmd_ctx, target);
1522 if (retval != ERROR_OK) {
1523 LOG_ERROR("target '%s' init failed", target_name(target));
1524 return retval;
1525 }
1526
1527 /* Sanity-check MMU support ... stub in what we must, to help
1528 * implement it in stages, but warn if we need to do so.
1529 */
1530 if (type->mmu) {
1531 if (!type->virt2phys) {
1532 LOG_ERROR("type '%s' is missing virt2phys", type->name);
1533 type->virt2phys = identity_virt2phys;
1534 }
1535 } else {
1536 /* Make sure no-MMU targets all behave the same: make no
1537 * distinction between physical and virtual addresses, and
1538 * ensure that virt2phys() is always an identity mapping.
1539 */
1540 if (type->write_phys_memory || type->read_phys_memory || type->virt2phys)
1541 LOG_WARNING("type '%s' has bad MMU hooks", type->name);
1542
1543 type->mmu = no_mmu;
1544 type->write_phys_memory = type->write_memory;
1545 type->read_phys_memory = type->read_memory;
1546 type->virt2phys = identity_virt2phys;
1547 }
1548
1549 if (!target->type->read_buffer)
1550 target->type->read_buffer = target_read_buffer_default;
1551
1552 if (!target->type->write_buffer)
1553 target->type->write_buffer = target_write_buffer_default;
1554
1555 if (!target->type->get_gdb_fileio_info)
1556 target->type->get_gdb_fileio_info = target_get_gdb_fileio_info_default;
1557
1558 if (!target->type->gdb_fileio_end)
1559 target->type->gdb_fileio_end = target_gdb_fileio_end_default;
1560
1561 if (!target->type->profiling)
1562 target->type->profiling = target_profiling_default;
1563
1564 return ERROR_OK;
1565 }
1566
1567 static int target_init(struct command_context *cmd_ctx)
1568 {
1569 struct target *target;
1570 int retval;
1571
1572 for (target = all_targets; target; target = target->next) {
1573 retval = target_init_one(cmd_ctx, target);
1574 if (retval != ERROR_OK)
1575 return retval;
1576 }
1577
1578 if (!all_targets)
1579 return ERROR_OK;
1580
1581 retval = target_register_user_commands(cmd_ctx);
1582 if (retval != ERROR_OK)
1583 return retval;
1584
1585 retval = target_register_timer_callback(&handle_target,
1586 polling_interval, TARGET_TIMER_TYPE_PERIODIC, cmd_ctx->interp);
1587 if (retval != ERROR_OK)
1588 return retval;
1589
1590 return ERROR_OK;
1591 }
1592
1593 COMMAND_HANDLER(handle_target_init_command)
1594 {
1595 int retval;
1596
1597 if (CMD_ARGC != 0)
1598 return ERROR_COMMAND_SYNTAX_ERROR;
1599
1600 static bool target_initialized;
1601 if (target_initialized) {
1602 LOG_INFO("'target init' has already been called");
1603 return ERROR_OK;
1604 }
1605 target_initialized = true;
1606
1607 retval = command_run_line(CMD_CTX, "init_targets");
1608 if (retval != ERROR_OK)
1609 return retval;
1610
1611 retval = command_run_line(CMD_CTX, "init_target_events");
1612 if (retval != ERROR_OK)
1613 return retval;
1614
1615 retval = command_run_line(CMD_CTX, "init_board");
1616 if (retval != ERROR_OK)
1617 return retval;
1618
1619 LOG_DEBUG("Initializing targets...");
1620 return target_init(CMD_CTX);
1621 }
1622
1623 int target_register_event_callback(int (*callback)(struct target *target,
1624 enum target_event event, void *priv), void *priv)
1625 {
1626 struct target_event_callback **callbacks_p = &target_event_callbacks;
1627
1628 if (!callback)
1629 return ERROR_COMMAND_SYNTAX_ERROR;
1630
1631 if (*callbacks_p) {
1632 while ((*callbacks_p)->next)
1633 callbacks_p = &((*callbacks_p)->next);
1634 callbacks_p = &((*callbacks_p)->next);
1635 }
1636
1637 (*callbacks_p) = malloc(sizeof(struct target_event_callback));
1638 (*callbacks_p)->callback = callback;
1639 (*callbacks_p)->priv = priv;
1640 (*callbacks_p)->next = NULL;
1641
1642 return ERROR_OK;
1643 }
1644
1645 int target_register_reset_callback(int (*callback)(struct target *target,
1646 enum target_reset_mode reset_mode, void *priv), void *priv)
1647 {
1648 struct target_reset_callback *entry;
1649
1650 if (!callback)
1651 return ERROR_COMMAND_SYNTAX_ERROR;
1652
1653 entry = malloc(sizeof(struct target_reset_callback));
1654 if (!entry) {
1655 LOG_ERROR("error allocating buffer for reset callback entry");
1656 return ERROR_COMMAND_SYNTAX_ERROR;
1657 }
1658
1659 entry->callback = callback;
1660 entry->priv = priv;
1661 list_add(&entry->list, &target_reset_callback_list);
1662
1663
1664 return ERROR_OK;
1665 }
1666
1667 int target_register_trace_callback(int (*callback)(struct target *target,
1668 size_t len, uint8_t *data, void *priv), void *priv)
1669 {
1670 struct target_trace_callback *entry;
1671
1672 if (!callback)
1673 return ERROR_COMMAND_SYNTAX_ERROR;
1674
1675 entry = malloc(sizeof(struct target_trace_callback));
1676 if (!entry) {
1677 LOG_ERROR("error allocating buffer for trace callback entry");
1678 return ERROR_COMMAND_SYNTAX_ERROR;
1679 }
1680
1681 entry->callback = callback;
1682 entry->priv = priv;
1683 list_add(&entry->list, &target_trace_callback_list);
1684
1685
1686 return ERROR_OK;
1687 }
1688
1689 int target_register_timer_callback(int (*callback)(void *priv),
1690 unsigned int time_ms, enum target_timer_type type, void *priv)
1691 {
1692 struct target_timer_callback **callbacks_p = &target_timer_callbacks;
1693
1694 if (!callback)
1695 return ERROR_COMMAND_SYNTAX_ERROR;
1696
1697 if (*callbacks_p) {
1698 while ((*callbacks_p)->next)
1699 callbacks_p = &((*callbacks_p)->next);
1700 callbacks_p = &((*callbacks_p)->next);
1701 }
1702
1703 (*callbacks_p) = malloc(sizeof(struct target_timer_callback));
1704 (*callbacks_p)->callback = callback;
1705 (*callbacks_p)->type = type;
1706 (*callbacks_p)->time_ms = time_ms;
1707 (*callbacks_p)->removed = false;
1708
1709 (*callbacks_p)->when = timeval_ms() + time_ms;
1710 target_timer_next_event_value = MIN(target_timer_next_event_value, (*callbacks_p)->when);
1711
1712 (*callbacks_p)->priv = priv;
1713 (*callbacks_p)->next = NULL;
1714
1715 return ERROR_OK;
1716 }
1717
1718 int target_unregister_event_callback(int (*callback)(struct target *target,
1719 enum target_event event, void *priv), void *priv)
1720 {
1721 struct target_event_callback **p = &target_event_callbacks;
1722 struct target_event_callback *c = target_event_callbacks;
1723
1724 if (!callback)
1725 return ERROR_COMMAND_SYNTAX_ERROR;
1726
1727 while (c) {
1728 struct target_event_callback *next = c->next;
1729 if ((c->callback == callback) && (c->priv == priv)) {
1730 *p = next;
1731 free(c);
1732 return ERROR_OK;
1733 } else
1734 p = &(c->next);
1735 c = next;
1736 }
1737
1738 return ERROR_OK;
1739 }
1740
1741 int target_unregister_reset_callback(int (*callback)(struct target *target,
1742 enum target_reset_mode reset_mode, void *priv), void *priv)
1743 {
1744 struct target_reset_callback *entry;
1745
1746 if (!callback)
1747 return ERROR_COMMAND_SYNTAX_ERROR;
1748
1749 list_for_each_entry(entry, &target_reset_callback_list, list) {
1750 if (entry->callback == callback && entry->priv == priv) {
1751 list_del(&entry->list);
1752 free(entry);
1753 break;
1754 }
1755 }
1756
1757 return ERROR_OK;
1758 }
1759
1760 int target_unregister_trace_callback(int (*callback)(struct target *target,
1761 size_t len, uint8_t *data, void *priv), void *priv)
1762 {
1763 struct target_trace_callback *entry;
1764
1765 if (!callback)
1766 return ERROR_COMMAND_SYNTAX_ERROR;
1767
1768 list_for_each_entry(entry, &target_trace_callback_list, list) {
1769 if (entry->callback == callback && entry->priv == priv) {
1770 list_del(&entry->list);
1771 free(entry);
1772 break;
1773 }
1774 }
1775
1776 return ERROR_OK;
1777 }
1778
1779 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
1780 {
1781 if (!callback)
1782 return ERROR_COMMAND_SYNTAX_ERROR;
1783
1784 for (struct target_timer_callback *c = target_timer_callbacks;
1785 c; c = c->next) {
1786 if ((c->callback == callback) && (c->priv == priv)) {
1787 c->removed = true;
1788 return ERROR_OK;
1789 }
1790 }
1791
1792 return ERROR_FAIL;
1793 }
1794
1795 int target_call_event_callbacks(struct target *target, enum target_event event)
1796 {
1797 struct target_event_callback *callback = target_event_callbacks;
1798 struct target_event_callback *next_callback;
1799
1800 if (event == TARGET_EVENT_HALTED) {
1801 /* execute early halted first */
1802 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
1803 }
1804
1805 LOG_DEBUG("target event %i (%s) for core %s", event,
1806 target_event_name(event),
1807 target_name(target));
1808
1809 target_handle_event(target, event);
1810
1811 while (callback) {
1812 next_callback = callback->next;
1813 callback->callback(target, event, callback->priv);
1814 callback = next_callback;
1815 }
1816
1817 return ERROR_OK;
1818 }
1819
1820 int target_call_reset_callbacks(struct target *target, enum target_reset_mode reset_mode)
1821 {
1822 struct target_reset_callback *callback;
1823
1824 LOG_DEBUG("target reset %i (%s)", reset_mode,
1825 nvp_value2name(nvp_reset_modes, reset_mode)->name);
1826
1827 list_for_each_entry(callback, &target_reset_callback_list, list)
1828 callback->callback(target, reset_mode, callback->priv);
1829
1830 return ERROR_OK;
1831 }
1832
1833 int target_call_trace_callbacks(struct target *target, size_t len, uint8_t *data)
1834 {
1835 struct target_trace_callback *callback;
1836
1837 list_for_each_entry(callback, &target_trace_callback_list, list)
1838 callback->callback(target, len, data, callback->priv);
1839
1840 return ERROR_OK;
1841 }
1842
1843 static int target_timer_callback_periodic_restart(
1844 struct target_timer_callback *cb, int64_t *now)
1845 {
1846 cb->when = *now + cb->time_ms;
1847 return ERROR_OK;
1848 }
1849
1850 static int target_call_timer_callback(struct target_timer_callback *cb,
1851 int64_t *now)
1852 {
1853 cb->callback(cb->priv);
1854
1855 if (cb->type == TARGET_TIMER_TYPE_PERIODIC)
1856 return target_timer_callback_periodic_restart(cb, now);
1857
1858 return target_unregister_timer_callback(cb->callback, cb->priv);
1859 }
1860
1861 static int target_call_timer_callbacks_check_time(int checktime)
1862 {
1863 static bool callback_processing;
1864
1865 /* Do not allow nesting */
1866 if (callback_processing)
1867 return ERROR_OK;
1868
1869 callback_processing = true;
1870
1871 keep_alive();
1872
1873 int64_t now = timeval_ms();
1874
1875 /* Initialize to a default value that's a ways into the future.
1876 * The loop below will make it closer to now if there are
1877 * callbacks that want to be called sooner. */
1878 target_timer_next_event_value = now + 1000;
1879
1880 /* Store an address of the place containing a pointer to the
1881 * next item; initially, that's a standalone "root of the
1882 * list" variable. */
1883 struct target_timer_callback **callback = &target_timer_callbacks;
1884 while (callback && *callback) {
1885 if ((*callback)->removed) {
1886 struct target_timer_callback *p = *callback;
1887 *callback = (*callback)->next;
1888 free(p);
1889 continue;
1890 }
1891
1892 bool call_it = (*callback)->callback &&
1893 ((!checktime && (*callback)->type == TARGET_TIMER_TYPE_PERIODIC) ||
1894 now >= (*callback)->when);
1895
1896 if (call_it)
1897 target_call_timer_callback(*callback, &now);
1898
1899 if (!(*callback)->removed && (*callback)->when < target_timer_next_event_value)
1900 target_timer_next_event_value = (*callback)->when;
1901
1902 callback = &(*callback)->next;
1903 }
1904
1905 callback_processing = false;
1906 return ERROR_OK;
1907 }
1908
1909 int target_call_timer_callbacks(void)
1910 {
1911 return target_call_timer_callbacks_check_time(1);
1912 }
1913
1914 /* invoke periodic callbacks immediately */
1915 int target_call_timer_callbacks_now(void)
1916 {
1917 return target_call_timer_callbacks_check_time(0);
1918 }
1919
1920 int64_t target_timer_next_event(void)
1921 {
1922 return target_timer_next_event_value;
1923 }
1924
1925 /* Prints the working area layout for debug purposes */
1926 static void print_wa_layout(struct target *target)
1927 {
1928 struct working_area *c = target->working_areas;
1929
1930 while (c) {
1931 LOG_DEBUG("%c%c " TARGET_ADDR_FMT "-" TARGET_ADDR_FMT " (%" PRIu32 " bytes)",
1932 c->backup ? 'b' : ' ', c->free ? ' ' : '*',
1933 c->address, c->address + c->size - 1, c->size);
1934 c = c->next;
1935 }
1936 }
1937
1938 /* Reduce area to size bytes, create a new free area from the remaining bytes, if any. */
1939 static void target_split_working_area(struct working_area *area, uint32_t size)
1940 {
1941 assert(area->free); /* Shouldn't split an allocated area */
1942 assert(size <= area->size); /* Caller should guarantee this */
1943
1944 /* Split only if not already the right size */
1945 if (size < area->size) {
1946 struct working_area *new_wa = malloc(sizeof(*new_wa));
1947
1948 if (!new_wa)
1949 return;
1950
1951 new_wa->next = area->next;
1952 new_wa->size = area->size - size;
1953 new_wa->address = area->address + size;
1954 new_wa->backup = NULL;
1955 new_wa->user = NULL;
1956 new_wa->free = true;
1957
1958 area->next = new_wa;
1959 area->size = size;
1960
1961 /* If backup memory was allocated to this area, it has the wrong size
1962 * now so free it and it will be reallocated if/when needed */
1963 free(area->backup);
1964 area->backup = NULL;
1965 }
1966 }
1967
1968 /* Merge all adjacent free areas into one */
1969 static void target_merge_working_areas(struct target *target)
1970 {
1971 struct working_area *c = target->working_areas;
1972
1973 while (c && c->next) {
1974 assert(c->next->address == c->address + c->size); /* This is an invariant */
1975
1976 /* Find two adjacent free areas */
1977 if (c->free && c->next->free) {
1978 /* Merge the last into the first */
1979 c->size += c->next->size;
1980
1981 /* Remove the last */
1982 struct working_area *to_be_freed = c->next;
1983 c->next = c->next->next;
1984 free(to_be_freed->backup);
1985 free(to_be_freed);
1986
1987 /* If backup memory was allocated to the remaining area, it's has
1988 * the wrong size now */
1989 free(c->backup);
1990 c->backup = NULL;
1991 } else {
1992 c = c->next;
1993 }
1994 }
1995 }
1996
1997 int target_alloc_working_area_try(struct target *target, uint32_t size, struct working_area **area)
1998 {
1999 /* Reevaluate working area address based on MMU state*/
2000 if (!target->working_areas) {
2001 int retval;
2002 int enabled;
2003
2004 retval = target->type->mmu(target, &enabled);
2005 if (retval != ERROR_OK)
2006 return retval;
2007
2008 if (!enabled) {
2009 if (target->working_area_phys_spec) {
2010 LOG_DEBUG("MMU disabled, using physical "
2011 "address for working memory " TARGET_ADDR_FMT,
2012 target->working_area_phys);
2013 target->working_area = target->working_area_phys;
2014 } else {
2015 LOG_ERROR("No working memory available. "
2016 "Specify -work-area-phys to target.");
2017 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
2018 }
2019 } else {
2020 if (target->working_area_virt_spec) {
2021 LOG_DEBUG("MMU enabled, using virtual "
2022 "address for working memory " TARGET_ADDR_FMT,
2023 target->working_area_virt);
2024 target->working_area = target->working_area_virt;
2025 } else {
2026 LOG_ERROR("No working memory available. "
2027 "Specify -work-area-virt to target.");
2028 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
2029 }
2030 }
2031
2032 /* Set up initial working area on first call */
2033 struct working_area *new_wa = malloc(sizeof(*new_wa));
2034 if (new_wa) {
2035 new_wa->next = NULL;
2036 new_wa->size = ALIGN_DOWN(target->working_area_size, 4); /* 4-byte align */
2037 new_wa->address = target->working_area;
2038 new_wa->backup = NULL;
2039 new_wa->user = NULL;
2040 new_wa->free = true;
2041 }
2042
2043 target->working_areas = new_wa;
2044 }
2045
2046 /* only allocate multiples of 4 byte */
2047 size = ALIGN_UP(size, 4);
2048
2049 struct working_area *c = target->working_areas;
2050
2051 /* Find the first large enough working area */
2052 while (c) {
2053 if (c->free && c->size >= size)
2054 break;
2055 c = c->next;
2056 }
2057
2058 if (!c)
2059 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
2060
2061 /* Split the working area into the requested size */
2062 target_split_working_area(c, size);
2063
2064 LOG_DEBUG("allocated new working area of %" PRIu32 " bytes at address " TARGET_ADDR_FMT,
2065 size, c->address);
2066
2067 if (target->backup_working_area) {
2068 if (!c->backup) {
2069 c->backup = malloc(c->size);
2070 if (!c->backup)
2071 return ERROR_FAIL;
2072 }
2073
2074 int retval = target_read_memory(target, c->address, 4, c->size / 4, c->backup);
2075 if (retval != ERROR_OK)
2076 return retval;
2077 }
2078
2079 /* mark as used, and return the new (reused) area */
2080 c->free = false;
2081 *area = c;
2082
2083 /* user pointer */
2084 c->user = area;
2085
2086 print_wa_layout(target);
2087
2088 return ERROR_OK;
2089 }
2090
2091 int target_alloc_working_area(struct target *target, uint32_t size, struct working_area **area)
2092 {
2093 int retval;
2094
2095 retval = target_alloc_working_area_try(target, size, area);
2096 if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
2097 LOG_WARNING("not enough working area available(requested %"PRIu32")", size);
2098 return retval;
2099
2100 }
2101
2102 static int target_restore_working_area(struct target *target, struct working_area *area)
2103 {
2104 int retval = ERROR_OK;
2105
2106 if (target->backup_working_area && area->backup) {
2107 retval = target_write_memory(target, area->address, 4, area->size / 4, area->backup);
2108 if (retval != ERROR_OK)
2109 LOG_ERROR("failed to restore %" PRIu32 " bytes of working area at address " TARGET_ADDR_FMT,
2110 area->size, area->address);
2111 }
2112
2113 return retval;
2114 }
2115
2116 /* Restore the area's backup memory, if any, and return the area to the allocation pool */
2117 static int target_free_working_area_restore(struct target *target, struct working_area *area, int restore)
2118 {
2119 if (!area || area->free)
2120 return ERROR_OK;
2121
2122 int retval = ERROR_OK;
2123 if (restore) {
2124 retval = target_restore_working_area(target, area);
2125 /* REVISIT: Perhaps the area should be freed even if restoring fails. */
2126 if (retval != ERROR_OK)
2127 return retval;
2128 }
2129
2130 area->free = true;
2131
2132 LOG_DEBUG("freed %" PRIu32 " bytes of working area at address " TARGET_ADDR_FMT,
2133 area->size, area->address);
2134
2135 /* mark user pointer invalid */
2136 /* TODO: Is this really safe? It points to some previous caller's memory.
2137 * How could we know that the area pointer is still in that place and not
2138 * some other vital data? What's the purpose of this, anyway? */
2139 *area->user = NULL;
2140 area->user = NULL;
2141
2142 target_merge_working_areas(target);
2143
2144 print_wa_layout(target);
2145
2146 return retval;
2147 }
2148
2149 int target_free_working_area(struct target *target, struct working_area *area)
2150 {
2151 return target_free_working_area_restore(target, area, 1);
2152 }
2153
2154 /* free resources and restore memory, if restoring memory fails,
2155 * free up resources anyway
2156 */
2157 static void target_free_all_working_areas_restore(struct target *target, int restore)
2158 {
2159 struct working_area *c = target->working_areas;
2160
2161 LOG_DEBUG("freeing all working areas");
2162
2163 /* Loop through all areas, restoring the allocated ones and marking them as free */
2164 while (c) {
2165 if (!c->free) {
2166 if (restore)
2167 target_restore_working_area(target, c);
2168 c->free = true;
2169 *c->user = NULL; /* Same as above */
2170 c->user = NULL;
2171 }
2172 c = c->next;
2173 }
2174
2175 /* Run a merge pass to combine all areas into one */
2176 target_merge_working_areas(target);
2177
2178 print_wa_layout(target);
2179 }
2180
2181 void target_free_all_working_areas(struct target *target)
2182 {
2183 target_free_all_working_areas_restore(target, 1);
2184
2185 /* Now we have none or only one working area marked as free */
2186 if (target->working_areas) {
2187 /* Free the last one to allow on-the-fly moving and resizing */
2188 free(target->working_areas->backup);
2189 free(target->working_areas);
2190 target->working_areas = NULL;
2191 }
2192 }
2193
2194 /* Find the largest number of bytes that can be allocated */
2195 uint32_t target_get_working_area_avail(struct target *target)
2196 {
2197 struct working_area *c = target->working_areas;
2198 uint32_t max_size = 0;
2199
2200 if (!c)
2201 return ALIGN_DOWN(target->working_area_size, 4);
2202
2203 while (c) {
2204 if (c->free && max_size < c->size)
2205 max_size = c->size;
2206
2207 c = c->next;
2208 }
2209
2210 return max_size;
2211 }
2212
2213 static void target_destroy(struct target *target)
2214 {
2215 if (target->type->deinit_target)
2216 target->type->deinit_target(target);
2217
2218 if (target->semihosting)
2219 free(target->semihosting->basedir);
2220 free(target->semihosting);
2221
2222 jtag_unregister_event_callback(jtag_enable_callback, target);
2223
2224 struct target_event_action *teap = target->event_action;
2225 while (teap) {
2226 struct target_event_action *next = teap->next;
2227 Jim_DecrRefCount(teap->interp, teap->body);
2228 free(teap);
2229 teap = next;
2230 }
2231
2232 target_free_all_working_areas(target);
2233
2234 /* release the targets SMP list */
2235 if (target->smp) {
2236 struct target_list *head, *tmp;
2237
2238 list_for_each_entry_safe(head, tmp, target->smp_targets, lh) {
2239 list_del(&head->lh);
2240 head->target->smp = 0;
2241 free(head);
2242 }
2243 if (target->smp_targets != &empty_smp_targets)
2244 free(target->smp_targets);
2245 target->smp = 0;
2246 }
2247
2248 rtos_destroy(target);
2249
2250 free(target->gdb_port_override);
2251 free(target->type);
2252 free(target->trace_info);
2253 free(target->fileio_info);
2254 free(target->cmd_name);
2255 free(target);
2256 }
2257
2258 void target_quit(void)
2259 {
2260 struct target_event_callback *pe = target_event_callbacks;
2261 while (pe) {
2262 struct target_event_callback *t = pe->next;
2263 free(pe);
2264 pe = t;
2265 }
2266 target_event_callbacks = NULL;
2267
2268 struct target_timer_callback *pt = target_timer_callbacks;
2269 while (pt) {
2270 struct target_timer_callback *t = pt->next;
2271 free(pt);
2272 pt = t;
2273 }
2274 target_timer_callbacks = NULL;
2275
2276 for (struct target *target = all_targets; target;) {
2277 struct target *tmp;
2278
2279 tmp = target->next;
2280 target_destroy(target);
2281 target = tmp;
2282 }
2283
2284 all_targets = NULL;
2285 }
2286
2287 int target_arch_state(struct target *target)
2288 {
2289 int retval;
2290 if (!target) {
2291 LOG_WARNING("No target has been configured");
2292 return ERROR_OK;
2293 }
2294
2295 if (target->state != TARGET_HALTED)
2296 return ERROR_OK;
2297
2298 retval = target->type->arch_state(target);
2299 return retval;
2300 }
2301
2302 static int target_get_gdb_fileio_info_default(struct target *target,
2303 struct gdb_fileio_info *fileio_info)
2304 {
2305 /* If target does not support semi-hosting function, target
2306 has no need to provide .get_gdb_fileio_info callback.
2307 It just return ERROR_FAIL and gdb_server will return "Txx"
2308 as target halted every time. */
2309 return ERROR_FAIL;
2310 }
2311
2312 static int target_gdb_fileio_end_default(struct target *target,
2313 int retcode, int fileio_errno, bool ctrl_c)
2314 {
2315 return ERROR_OK;
2316 }
2317
2318 int target_profiling_default(struct target *target, uint32_t *samples,
2319 uint32_t max_num_samples, uint32_t *num_samples, uint32_t seconds)
2320 {
2321 struct timeval timeout, now;
2322
2323 gettimeofday(&timeout, NULL);
2324 timeval_add_time(&timeout, seconds, 0);
2325
2326 LOG_INFO("Starting profiling. Halting and resuming the"
2327 " target as often as we can...");
2328
2329 uint32_t sample_count = 0;
2330 /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
2331 struct reg *reg = register_get_by_name(target->reg_cache, "pc", true);
2332
2333 int retval = ERROR_OK;
2334 for (;;) {
2335 target_poll(target);
2336 if (target->state == TARGET_HALTED) {
2337 uint32_t t = buf_get_u32(reg->value, 0, 32);
2338 samples[sample_count++] = t;
2339 /* current pc, addr = 0, do not handle breakpoints, not debugging */
2340 retval = target_resume(target, 1, 0, 0, 0);
2341 target_poll(target);
2342 alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
2343 } else if (target->state == TARGET_RUNNING) {
2344 /* We want to quickly sample the PC. */
2345 retval = target_halt(target);
2346 } else {
2347 LOG_INFO("Target not halted or running");
2348 retval = ERROR_OK;
2349 break;
2350 }
2351
2352 if (retval != ERROR_OK)
2353 break;
2354
2355 gettimeofday(&now, NULL);
2356 if ((sample_count >= max_num_samples) || timeval_compare(&now, &timeout) >= 0) {
2357 LOG_INFO("Profiling completed. %" PRIu32 " samples.", sample_count);
2358 break;
2359 }
2360 }
2361
2362 *num_samples = sample_count;
2363 return retval;
2364 }
2365
2366 /* Single aligned words are guaranteed to use 16 or 32 bit access
2367 * mode respectively, otherwise data is handled as quickly as
2368 * possible
2369 */
2370 int target_write_buffer(struct target *target, target_addr_t address, uint32_t size, const uint8_t *buffer)
2371 {
2372 LOG_DEBUG("writing buffer of %" PRIu32 " byte at " TARGET_ADDR_FMT,
2373 size, address);
2374
2375 if (!target_was_examined(target)) {
2376 LOG_ERROR("Target not examined yet");
2377 return ERROR_FAIL;
2378 }
2379
2380 if (size == 0)
2381 return ERROR_OK;
2382
2383 if ((address + size - 1) < address) {
2384 /* GDB can request this when e.g. PC is 0xfffffffc */
2385 LOG_ERROR("address + size wrapped (" TARGET_ADDR_FMT ", 0x%08" PRIx32 ")",
2386 address,
2387 size);
2388 return ERROR_FAIL;
2389 }
2390
2391 return target->type->write_buffer(target, address, size, buffer);
2392 }
2393
2394 static int target_write_buffer_default(struct target *target,
2395 target_addr_t address, uint32_t count, const uint8_t *buffer)
2396 {
2397 uint32_t size;
2398 unsigned int data_bytes = target_data_bits(target) / 8;
2399
2400 /* Align up to maximum bytes. The loop condition makes sure the next pass
2401 * will have something to do with the size we leave to it. */
2402 for (size = 1;
2403 size < data_bytes && count >= size * 2 + (address & size);
2404 size *= 2) {
2405 if (address & size) {
2406 int retval = target_write_memory(target, address, size, 1, buffer);
2407 if (retval != ERROR_OK)
2408 return retval;
2409 address += size;
2410 count -= size;
2411 buffer += size;
2412 }
2413 }
2414
2415 /* Write the data with as large access size as possible. */
2416 for (; size > 0; size /= 2) {
2417 uint32_t aligned = count - count % size;
2418 if (aligned > 0) {
2419 int retval = target_write_memory(target, address, size, aligned / size, buffer);
2420 if (retval != ERROR_OK)
2421 return retval;
2422 address += aligned;
2423 count -= aligned;
2424 buffer += aligned;
2425 }
2426 }
2427
2428 return ERROR_OK;
2429 }
2430
2431 /* Single aligned words are guaranteed to use 16 or 32 bit access
2432 * mode respectively, otherwise data is handled as quickly as
2433 * possible
2434 */
2435 int target_read_buffer(struct target *target, target_addr_t address, uint32_t size, uint8_t *buffer)
2436 {
2437 LOG_DEBUG("reading buffer of %" PRIu32 " byte at " TARGET_ADDR_FMT,
2438 size, address);
2439
2440 if (!target_was_examined(target)) {
2441 LOG_ERROR("Target not examined yet");
2442 return ERROR_FAIL;
2443 }
2444
2445 if (size == 0)
2446 return ERROR_OK;
2447
2448 if ((address + size - 1) < address) {
2449 /* GDB can request this when e.g. PC is 0xfffffffc */
2450 LOG_ERROR("address + size wrapped (" TARGET_ADDR_FMT ", 0x%08" PRIx32 ")",
2451 address,
2452 size);
2453 return ERROR_FAIL;
2454 }
2455
2456 return target->type->read_buffer(target, address, size, buffer);
2457 }
2458
2459 static int target_read_buffer_default(struct target *target, target_addr_t address, uint32_t count, uint8_t *buffer)
2460 {
2461 uint32_t size;
2462 unsigned int data_bytes = target_data_bits(target) / 8;
2463
2464 /* Align up to maximum bytes. The loop condition makes sure the next pass
2465 * will have something to do with the size we leave to it. */
2466 for (size = 1;
2467 size < data_bytes && count >= size * 2 + (address & size);
2468 size *= 2) {
2469 if (address & size) {
2470 int retval = target_read_memory(target, address, size, 1, buffer);
2471 if (retval != ERROR_OK)
2472 return retval;
2473 address += size;
2474 count -= size;
2475 buffer += size;
2476 }
2477 }
2478
2479 /* Read the data with as large access size as possible. */
2480 for (; size > 0; size /= 2) {
2481 uint32_t aligned = count - count % size;
2482 if (aligned > 0) {
2483 int retval = target_read_memory(target, address, size, aligned / size, buffer);
2484 if (retval != ERROR_OK)
2485 return retval;
2486 address += aligned;
2487 count -= aligned;
2488 buffer += aligned;
2489 }
2490 }
2491
2492 return ERROR_OK;
2493 }
2494
2495 int target_checksum_memory(struct target *target, target_addr_t address, uint32_t size, uint32_t *crc)
2496 {
2497 uint8_t *buffer;
2498 int retval;
2499 uint32_t i;
2500 uint32_t checksum = 0;
2501 if (!target_was_examined(target)) {
2502 LOG_ERROR("Target not examined yet");
2503 return ERROR_FAIL;
2504 }
2505 if (!target->type->checksum_memory) {
2506 LOG_ERROR("Target %s doesn't support checksum_memory", target_name(target));
2507 return ERROR_FAIL;
2508 }
2509
2510 retval = target->type->checksum_memory(target, address, size, &checksum);
2511 if (retval != ERROR_OK) {
2512 buffer = malloc(size);
2513 if (!buffer) {
2514 LOG_ERROR("error allocating buffer for section (%" PRIu32 " bytes)", size);
2515 return ERROR_COMMAND_SYNTAX_ERROR;
2516 }
2517 retval = target_read_buffer(target, address, size, buffer);
2518 if (retval != ERROR_OK) {
2519 free(buffer);
2520 return retval;
2521 }
2522
2523 /* convert to target endianness */
2524 for (i = 0; i < (size/sizeof(uint32_t)); i++) {
2525 uint32_t target_data;
2526 target_data = target_buffer_get_u32(target, &buffer[i*sizeof(uint32_t)]);
2527 target_buffer_set_u32(target, &buffer[i*sizeof(uint32_t)], target_data);
2528 }
2529
2530 retval = image_calculate_checksum(buffer, size, &checksum);
2531 free(buffer);
2532 }
2533
2534 *crc = checksum;
2535
2536 return retval;
2537 }
2538
2539 int target_blank_check_memory(struct target *target,
2540 struct target_memory_check_block *blocks, int num_blocks,
2541 uint8_t erased_value)
2542 {
2543 if (!target_was_examined(target)) {
2544 LOG_ERROR("Target not examined yet");
2545 return ERROR_FAIL;
2546 }
2547
2548 if (!target->type->blank_check_memory)
2549 return ERROR_NOT_IMPLEMENTED;
2550
2551 return target->type->blank_check_memory(target, blocks, num_blocks, erased_value);
2552 }
2553
2554 int target_read_u64(struct target *target, target_addr_t address, uint64_t *value)
2555 {
2556 uint8_t value_buf[8];
2557 if (!target_was_examined(target)) {
2558 LOG_ERROR("Target not examined yet");
2559 return ERROR_FAIL;
2560 }
2561
2562 int retval = target_read_memory(target, address, 8, 1, value_buf);
2563
2564 if (retval == ERROR_OK) {
2565 *value = target_buffer_get_u64(target, value_buf);
2566 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%16.16" PRIx64 "",
2567 address,
2568 *value);
2569 } else {
2570 *value = 0x0;
2571 LOG_DEBUG("address: " TARGET_ADDR_FMT " failed",
2572 address);
2573 }
2574
2575 return retval;
2576 }
2577
2578 int target_read_u32(struct target *target, target_addr_t address, uint32_t *value)
2579 {
2580 uint8_t value_buf[4];
2581 if (!target_was_examined(target)) {
2582 LOG_ERROR("Target not examined yet");
2583 return ERROR_FAIL;
2584 }
2585
2586 int retval = target_read_memory(target, address, 4, 1, value_buf);
2587
2588 if (retval == ERROR_OK) {
2589 *value = target_buffer_get_u32(target, value_buf);
2590 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%8.8" PRIx32 "",
2591 address,
2592 *value);
2593 } else {
2594 *value = 0x0;
2595 LOG_DEBUG("address: " TARGET_ADDR_FMT " failed",
2596 address);
2597 }
2598
2599 return retval;
2600 }
2601
2602 int target_read_u16(struct target *target, target_addr_t address, uint16_t *value)
2603 {
2604 uint8_t value_buf[2];
2605 if (!target_was_examined(target)) {
2606 LOG_ERROR("Target not examined yet");
2607 return ERROR_FAIL;
2608 }
2609
2610 int retval = target_read_memory(target, address, 2, 1, value_buf);
2611
2612 if (retval == ERROR_OK) {
2613 *value = target_buffer_get_u16(target, value_buf);
2614 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%4.4" PRIx16,
2615 address,
2616 *value);
2617 } else {
2618 *value = 0x0;
2619 LOG_DEBUG("address: " TARGET_ADDR_FMT " failed",
2620 address);
2621 }
2622
2623 return retval;
2624 }
2625
2626 int target_read_u8(struct target *target, target_addr_t address, uint8_t *value)
2627 {
2628 if (!target_was_examined(target)) {
2629 LOG_ERROR("Target not examined yet");
2630 return ERROR_FAIL;
2631 }
2632
2633 int retval = target_read_memory(target, address, 1, 1, value);
2634
2635 if (retval == ERROR_OK) {
2636 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%2.2" PRIx8,
2637 address,
2638 *value);
2639 } else {
2640 *value = 0x0;
2641 LOG_DEBUG("address: " TARGET_ADDR_FMT " failed",
2642 address);
2643 }
2644
2645 return retval;
2646 }
2647
2648 int target_write_u64(struct target *target, target_addr_t address, uint64_t value)
2649 {
2650 int retval;
2651 uint8_t value_buf[8];
2652 if (!target_was_examined(target)) {
2653 LOG_ERROR("Target not examined yet");
2654 return ERROR_FAIL;
2655 }
2656
2657 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%16.16" PRIx64 "",
2658 address,
2659 value);
2660
2661 target_buffer_set_u64(target, value_buf, value);
2662 retval = target_write_memory(target, address, 8, 1, value_buf);
2663 if (retval != ERROR_OK)
2664 LOG_DEBUG("failed: %i", retval);
2665
2666 return retval;
2667 }
2668
2669 int target_write_u32(struct target *target, target_addr_t address, uint32_t value)
2670 {
2671 int retval;
2672 uint8_t value_buf[4];
2673 if (!target_was_examined(target)) {
2674 LOG_ERROR("Target not examined yet");
2675 return ERROR_FAIL;
2676 }
2677
2678 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%8.8" PRIx32 "",
2679 address,
2680 value);
2681
2682 target_buffer_set_u32(target, value_buf, value);
2683 retval = target_write_memory(target, address, 4, 1, value_buf);
2684 if (retval != ERROR_OK)
2685 LOG_DEBUG("failed: %i", retval);
2686
2687 return retval;
2688 }
2689
2690 int target_write_u16(struct target *target, target_addr_t address, uint16_t value)
2691 {
2692 int retval;
2693 uint8_t value_buf[2];
2694 if (!target_was_examined(target)) {
2695 LOG_ERROR("Target not examined yet");
2696 return ERROR_FAIL;
2697 }
2698
2699 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%8.8" PRIx16,
2700 address,
2701 value);
2702
2703 target_buffer_set_u16(target, value_buf, value);
2704 retval = target_write_memory(target, address, 2, 1, value_buf);
2705 if (retval != ERROR_OK)
2706 LOG_DEBUG("failed: %i", retval);
2707
2708 return retval;
2709 }
2710
2711 int target_write_u8(struct target *target, target_addr_t address, uint8_t value)
2712 {
2713 int retval;
2714 if (!target_was_examined(target)) {
2715 LOG_ERROR("Target not examined yet");
2716 return ERROR_FAIL;
2717 }
2718
2719 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%2.2" PRIx8,
2720 address, value);
2721
2722 retval = target_write_memory(target, address, 1, 1, &value);
2723 if (retval != ERROR_OK)
2724 LOG_DEBUG("failed: %i", retval);
2725
2726 return retval;
2727 }
2728
2729 int target_write_phys_u64(struct target *target, target_addr_t address, uint64_t value)
2730 {
2731 int retval;
2732 uint8_t value_buf[8];
2733 if (!target_was_examined(target)) {
2734 LOG_ERROR("Target not examined yet");
2735 return ERROR_FAIL;
2736 }
2737
2738 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%16.16" PRIx64 "",
2739 address,
2740 value);
2741
2742 target_buffer_set_u64(target, value_buf, value);
2743 retval = target_write_phys_memory(target, address, 8, 1, value_buf);
2744 if (retval != ERROR_OK)
2745 LOG_DEBUG("failed: %i", retval);
2746
2747 return retval;
2748 }
2749
2750 int target_write_phys_u32(struct target *target, target_addr_t address, uint32_t value)
2751 {
2752 int retval;
2753 uint8_t value_buf[4];
2754 if (!target_was_examined(target)) {
2755 LOG_ERROR("Target not examined yet");
2756 return ERROR_FAIL;
2757 }
2758
2759 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%8.8" PRIx32 "",
2760 address,
2761 value);
2762
2763 target_buffer_set_u32(target, value_buf, value);
2764 retval = target_write_phys_memory(target, address, 4, 1, value_buf);
2765 if (retval != ERROR_OK)
2766 LOG_DEBUG("failed: %i", retval);
2767
2768 return retval;
2769 }
2770
2771 int target_write_phys_u16(struct target *target, target_addr_t address, uint16_t value)
2772 {
2773 int retval;
2774 uint8_t value_buf[2];
2775 if (!target_was_examined(target)) {
2776 LOG_ERROR("Target not examined yet");
2777 return ERROR_FAIL;
2778 }
2779
2780 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%8.8" PRIx16,
2781 address,
2782 value);
2783
2784 target_buffer_set_u16(target, value_buf, value);
2785 retval = target_write_phys_memory(target, address, 2, 1, value_buf);
2786 if (retval != ERROR_OK)
2787 LOG_DEBUG("failed: %i", retval);
2788
2789 return retval;
2790 }
2791
2792 int target_write_phys_u8(struct target *target, target_addr_t address, uint8_t value)
2793 {
2794 int retval;
2795 if (!target_was_examined(target)) {
2796 LOG_ERROR("Target not examined yet");
2797 return ERROR_FAIL;
2798 }
2799
2800 LOG_DEBUG("address: " TARGET_ADDR_FMT ", value: 0x%2.2" PRIx8,
2801 address, value);
2802
2803 retval = target_write_phys_memory(target, address, 1, 1, &value);
2804 if (retval != ERROR_OK)
2805 LOG_DEBUG("failed: %i", retval);
2806
2807 return retval;
2808 }
2809
2810 static int find_target(struct command_invocation *cmd, const char *name)
2811 {
2812 struct target *target = get_target(name);
2813 if (!target) {
2814 command_print(cmd, "Target: %s is unknown, try one of:\n", name);
2815 return ERROR_FAIL;
2816 }
2817 if (!target->tap->enabled) {
2818 command_print(cmd, "Target: TAP %s is disabled, "
2819 "can't be the current target\n",
2820 target->tap->dotted_name);
2821 return ERROR_FAIL;
2822 }
2823
2824 cmd->ctx->current_target = target;
2825 if (cmd->ctx->current_target_override)
2826 cmd->ctx->current_target_override = target;
2827
2828 return ERROR_OK;
2829 }
2830
2831
2832 COMMAND_HANDLER(handle_targets_command)
2833 {
2834 int retval = ERROR_OK;
2835 if (CMD_ARGC == 1) {
2836 retval = find_target(CMD, CMD_ARGV[0]);
2837 if (retval == ERROR_OK) {
2838 /* we're done! */
2839 return retval;
2840 }
2841 }
2842
2843 struct target *target = all_targets;
2844 command_print(CMD, " TargetName Type Endian TapName State ");
2845 command_print(CMD, "-- ------------------ ---------- ------ ------------------ ------------");
2846 while (target) {
2847 const char *state;
2848 char marker = ' ';
2849
2850 if (target->tap->enabled)
2851 state = target_state_name(target);
2852 else
2853 state = "tap-disabled";
2854
2855 if (CMD_CTX->current_target == target)
2856 marker = '*';
2857
2858 /* keep columns lined up to match the headers above */
2859 command_print(CMD,
2860 "%2d%c %-18s %-10s %-6s %-18s %s",
2861 target->target_number,
2862 marker,
2863 target_name(target),
2864 target_type_name(target),
2865 jim_nvp_value2name_simple(nvp_target_endian,
2866 target->endianness)->name,
2867 target->tap->dotted_name,
2868 state);
2869 target = target->next;
2870 }
2871
2872 return retval;
2873 }
2874
2875 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
2876
2877 static int power_dropout;
2878 static int srst_asserted;
2879
2880 static int run_power_restore;
2881 static int run_power_dropout;
2882 static int run_srst_asserted;
2883 static int run_srst_deasserted;
2884
2885 static int sense_handler(void)
2886 {
2887 static int prev_srst_asserted;
2888 static int prev_power_dropout;
2889
2890 int retval = jtag_power_dropout(&power_dropout);
2891 if (retval != ERROR_OK)
2892 return retval;
2893
2894 int power_restored;
2895 power_restored = prev_power_dropout && !power_dropout;
2896 if (power_restored)
2897 run_power_restore = 1;
2898
2899 int64_t current = timeval_ms();
2900 static int64_t last_power;
2901 bool wait_more = last_power + 2000 > current;
2902 if (power_dropout && !wait_more) {
2903 run_power_dropout = 1;
2904 last_power = current;
2905 }
2906
2907 retval = jtag_srst_asserted(&srst_asserted);
2908 if (retval != ERROR_OK)
2909 return retval;
2910
2911 int srst_deasserted;
2912 srst_deasserted = prev_srst_asserted && !srst_asserted;
2913
2914 static int64_t last_srst;
2915 wait_more = last_srst + 2000 > current;
2916 if (srst_deasserted && !wait_more) {
2917 run_srst_deasserted = 1;
2918 last_srst = current;
2919 }
2920
2921 if (!prev_srst_asserted && srst_asserted)
2922 run_srst_asserted = 1;
2923
2924 prev_srst_asserted = srst_asserted;
2925 prev_power_dropout = power_dropout;
2926
2927 if (srst_deasserted || power_restored) {
2928 /* Other than logging the event we can't do anything here.
2929 * Issuing a reset is a particularly bad idea as we might
2930 * be inside a reset already.
2931 */
2932 }
2933
2934 return ERROR_OK;
2935 }
2936
2937 /* process target state changes */
2938 static int handle_target(void *priv)
2939 {
2940 Jim_Interp *interp = (Jim_Interp *)priv;
2941 int retval = ERROR_OK;
2942
2943 if (!is_jtag_poll_safe()) {
2944 /* polling is disabled currently */
2945 return ERROR_OK;
2946 }
2947
2948 /* we do not want to recurse here... */
2949 static int recursive;
2950 if (!recursive) {
2951 recursive = 1;
2952 sense_handler();
2953 /* danger! running these procedures can trigger srst assertions and power dropouts.
2954 * We need to avoid an infinite loop/recursion here and we do that by
2955 * clearing the flags after running these events.
2956 */
2957 int did_something = 0;
2958 if (run_srst_asserted) {
2959 LOG_INFO("srst asserted detected, running srst_asserted proc.");
2960 Jim_Eval(interp, "srst_asserted");
2961 did_something = 1;
2962 }
2963 if (run_srst_deasserted) {
2964 Jim_Eval(interp, "srst_deasserted");
2965 did_something = 1;
2966 }
2967 if (run_power_dropout) {
2968 LOG_INFO("Power dropout detected, running power_dropout proc.");
2969 Jim_Eval(interp, "power_dropout");
2970 did_something = 1;
2971 }
2972 if (run_power_restore) {
2973 Jim_Eval(interp, "power_restore");
2974 did_something = 1;
2975 }
2976
2977 if (did_something) {
2978 /* clear detect flags */
2979 sense_handler();
2980 }
2981
2982 /* clear action flags */
2983
2984 run_srst_asserted = 0;
2985 run_srst_deasserted = 0;
2986 run_power_restore = 0;
2987 run_power_dropout = 0;
2988
2989 recursive = 0;
2990 }
2991
2992 /* Poll targets for state changes unless that's globally disabled.
2993 * Skip targets that are currently disabled.
2994 */
2995 for (struct target *target = all_targets;
2996 is_jtag_poll_safe() && target;
2997 target = target->next) {
2998
2999 if (!target_was_examined(target))
3000 continue;
3001
3002 if (!target->tap->enabled)
3003 continue;
3004
3005 if (target->backoff.times > target->backoff.count) {
3006 /* do not poll this time as we failed previously */
3007 target->backoff.count++;
3008 continue;
3009 }
3010 target->backoff.count = 0;
3011
3012 /* only poll target if we've got power and srst isn't asserted */
3013 if (!power_dropout && !srst_asserted) {
3014 /* polling may fail silently until the target has been examined */
3015 retval = target_poll(target);
3016 if (retval != ERROR_OK) {
3017 /* 100ms polling interval. Increase interval between polling up to 5000ms */
3018 if (target->backoff.times * polling_interval < 5000) {
3019 target->backoff.times *= 2;
3020 target->backoff.times++;
3021 }
3022
3023 /* Tell GDB to halt the debugger. This allows the user to
3024 * run monitor commands to handle the situation.
3025 */
3026 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
3027 }
3028 if (target->backoff.times > 0) {
3029 LOG_USER("Polling target %s failed, trying to reexamine", target_name(target));
3030 target_reset_examined(target);
3031 retval = target_examine_one(target);
3032 /* Target examination could have failed due to unstable connection,
3033 * but we set the examined flag anyway to repoll it later */
3034 if (retval != ERROR_OK) {
3035 target_set_examined(target);
3036 LOG_USER("Examination failed, GDB will be halted. Polling again in %dms",
3037 target->backoff.times * polling_interval);
3038 return retval;
3039 }
3040 }
3041
3042 /* Since we succeeded, we reset backoff count */
3043 target->backoff.times = 0;
3044 }
3045 }
3046
3047 return retval;
3048 }
3049
3050 COMMAND_HANDLER(handle_reg_command)
3051 {
3052 LOG_DEBUG("-");
3053
3054 struct target *target = get_current_target(CMD_CTX);
3055 struct reg *reg = NULL;
3056
3057 /* list all available registers for the current target */
3058 if (CMD_ARGC == 0) {
3059 struct reg_cache *cache = target->reg_cache;
3060
3061 unsigned int count = 0;
3062 while (cache) {
3063 unsigned i;
3064
3065 command_print(CMD, "===== %s", cache->name);
3066
3067 for (i = 0, reg = cache->reg_list;
3068 i < cache->num_regs;
3069 i++, reg++, count++) {
3070 if (reg->exist == false || reg->hidden)
3071 continue;
3072 /* only print cached values if they are valid */
3073 if (reg->valid) {
3074 char *value = buf_to_hex_str(reg->value,
3075 reg->size);
3076 command_print(CMD,
3077 "(%i) %s (/%" PRIu32 "): 0x%s%s",
3078 count, reg->name,
3079 reg->size, value,
3080 reg->dirty
3081 ? " (dirty)"
3082 : "");
3083 free(value);
3084 } else {
3085 command_print(CMD, "(%i) %s (/%" PRIu32 ")",
3086 count, reg->name,
3087 reg->size);
3088 }
3089 }
3090 cache = cache->next;
3091 }
3092
3093 return ERROR_OK;
3094 }
3095
3096 /* access a single register by its ordinal number */
3097 if ((CMD_ARGV[0][0] >= '0') && (CMD_ARGV[0][0] <= '9')) {
3098 unsigned num;
3099 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], num);
3100
3101 struct reg_cache *cache = target->reg_cache;
3102 unsigned int count = 0;
3103 while (cache) {
3104 unsigned i;
3105 for (i = 0; i < cache->num_regs; i++) {
3106 if (count++ == num) {
3107 reg = &cache->reg_list[i];
3108 break;
3109 }
3110 }
3111 if (reg)
3112 break;
3113 cache = cache->next;
3114 }
3115
3116 if (!reg) {
3117 command_print(CMD, "%i is out of bounds, the current target "
3118 "has only %i registers (0 - %i)", num, count, count - 1);
3119 return ERROR_OK;
3120 }
3121 } else {
3122 /* access a single register by its name */
3123 reg = register_get_by_name(target->reg_cache, CMD_ARGV[0], true);
3124
3125 if (!reg)
3126 goto not_found;
3127 }
3128
3129 assert(reg); /* give clang a hint that we *know* reg is != NULL here */
3130
3131 if (!reg->exist)
3132 goto not_found;
3133
3134 /* display a register */
3135 if ((CMD_ARGC == 1) || ((CMD_ARGC == 2) && !((CMD_ARGV[1][0] >= '0')
3136 && (CMD_ARGV[1][0] <= '9')))) {
3137 if ((CMD_ARGC == 2) && (strcmp(CMD_ARGV[1], "force") == 0))
3138 reg->valid = 0;
3139
3140 if (reg->valid == 0) {
3141 int retval = reg->type->get(reg);
3142 if (retval != ERROR_OK) {
3143 LOG_ERROR("Could not read register '%s'", reg->name);
3144 return retval;
3145 }
3146 }
3147 char *value = buf_to_hex_str(reg->value, reg->size);
3148 command_print(CMD, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
3149 free(value);
3150 return ERROR_OK;
3151 }
3152
3153 /* set register value */
3154 if (CMD_ARGC == 2) {
3155 uint8_t *buf = malloc(DIV_ROUND_UP(reg->size, 8));
3156 if (!buf)
3157 return ERROR_FAIL;
3158 str_to_buf(CMD_ARGV[1], strlen(CMD_ARGV[1]), buf, reg->size, 0);
3159
3160 int retval = reg->type->set(reg, buf);
3161 if (retval != ERROR_OK) {
3162 LOG_ERROR("Could not write to register '%s'", reg->name);
3163 } else {
3164 char *value = buf_to_hex_str(reg->value, reg->size);
3165 command_print(CMD, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
3166 free(value);
3167 }
3168
3169 free(buf);
3170
3171 return retval;
3172 }
3173
3174 return ERROR_COMMAND_SYNTAX_ERROR;
3175
3176 not_found:
3177 command_print(CMD, "register %s not found in current target", CMD_ARGV[0]);
3178 return ERROR_OK;
3179 }
3180
3181 COMMAND_HANDLER(handle_poll_command)
3182 {
3183 int retval = ERROR_OK;
3184 struct target *target = get_current_target(CMD_CTX);
3185
3186 if (CMD_ARGC == 0) {
3187 command_print(CMD, "background polling: %s",
3188 jtag_poll_get_enabled() ? "on" : "off");
3189 command_print(CMD, "TAP: %s (%s)",
3190 target->tap->dotted_name,
3191 target->tap->enabled ? "enabled" : "disabled");
3192 if (!target->tap->enabled)
3193 return ERROR_OK;
3194 retval = target_poll(target);
3195 if (retval != ERROR_OK)
3196 return retval;
3197 retval = target_arch_state(target);
3198 if (retval != ERROR_OK)
3199 return retval;
3200 } else if (CMD_ARGC == 1) {
3201 bool enable;
3202 COMMAND_PARSE_ON_OFF(CMD_ARGV[0], enable);
3203 jtag_poll_set_enabled(enable);
3204 } else
3205 return ERROR_COMMAND_SYNTAX_ERROR;
3206
3207 return retval;
3208 }
3209
3210 COMMAND_HANDLER(handle_wait_halt_command)
3211 {
3212 if (CMD_ARGC > 1)
3213 return ERROR_COMMAND_SYNTAX_ERROR;
3214
3215 unsigned ms = DEFAULT_HALT_TIMEOUT;
3216 if (1 == CMD_ARGC) {
3217 int retval = parse_uint(CMD_ARGV[0], &ms);
3218 if (retval != ERROR_OK)
3219 return ERROR_COMMAND_SYNTAX_ERROR;
3220 }
3221
3222 struct target *target = get_current_target(CMD_CTX);
3223 return target_wait_state(target, TARGET_HALTED, ms);
3224 }
3225
3226 /* wait for target state to change. The trick here is to have a low
3227 * latency for short waits and not to suck up all the CPU time
3228 * on longer waits.
3229 *
3230 * After 500ms, keep_alive() is invoked
3231 */
3232 int target_wait_state(struct target *target, enum target_state state, unsigned int ms)
3233 {
3234 int retval;
3235 int64_t then = 0, cur;
3236 bool once = true;
3237
3238 for (;;) {
3239 retval = target_poll(target);
3240 if (retval != ERROR_OK)
3241 return retval;
3242 if (target->state == state)
3243 break;
3244 cur = timeval_ms();
3245 if (once) {
3246 once = false;
3247 then = timeval_ms();
3248 LOG_DEBUG("waiting for target %s...",
3249 nvp_value2name(nvp_target_state, state)->name);
3250 }
3251
3252 if (cur-then > 500)
3253 keep_alive();
3254
3255 if ((cur-then) > ms) {
3256 LOG_ERROR("timed out while waiting for target %s",
3257 nvp_value2name(nvp_target_state, state)->name);
3258 return ERROR_FAIL;
3259 }
3260 }
3261
3262 return ERROR_OK;
3263 }
3264
3265 COMMAND_HANDLER(handle_halt_command)
3266 {
3267 LOG_DEBUG("-");
3268
3269 struct target *target = get_current_target(CMD_CTX);
3270
3271 target->verbose_halt_msg = true;
3272
3273 int retval = target_halt(target);
3274 if (retval != ERROR_OK)
3275 return retval;
3276
3277 if (CMD_ARGC == 1) {
3278 unsigned wait_local;
3279 retval = parse_uint(CMD_ARGV[0], &wait_local);
3280 if (retval != ERROR_OK)
3281 return ERROR_COMMAND_SYNTAX_ERROR;
3282 if (!wait_local)
3283 return ERROR_OK;
3284 }
3285
3286 return CALL_COMMAND_HANDLER(handle_wait_halt_command);
3287 }
3288
3289 COMMAND_HANDLER(handle_soft_reset_halt_command)
3290 {
3291 struct target *target = get_current_target(CMD_CTX);
3292
3293 LOG_TARGET_INFO(target, "requesting target halt and executing a soft reset");
3294
3295 target_soft_reset_halt(target);
3296
3297 return ERROR_OK;
3298 }
3299
3300 COMMAND_HANDLER(handle_reset_command)
3301 {
3302 if (CMD_ARGC > 1)
3303 return ERROR_COMMAND_SYNTAX_ERROR;
3304
3305 enum target_reset_mode reset_mode = RESET_RUN;
3306 if (CMD_ARGC == 1) {
3307 const struct nvp *n;
3308 n = nvp_name2value(nvp_reset_modes, CMD_ARGV[0]);
3309 if ((!n->name) || (n->value == RESET_UNKNOWN))
3310 return ERROR_COMMAND_SYNTAX_ERROR;
3311 reset_mode = n->value;
3312 }
3313
3314 /* reset *all* targets */
3315 return target_process_reset(CMD, reset_mode);
3316 }
3317
3318
3319 COMMAND_HANDLER(handle_resume_command)
3320 {
3321 int current = 1;
3322 if (CMD_ARGC > 1)
3323 return ERROR_COMMAND_SYNTAX_ERROR;
3324
3325 struct target *target = get_current_target(CMD_CTX);
3326
3327 /* with no CMD_ARGV, resume from current pc, addr = 0,
3328 * with one arguments, addr = CMD_ARGV[0],
3329 * handle breakpoints, not debugging */
3330 target_addr_t addr = 0;
3331 if (CMD_ARGC == 1) {
3332 COMMAND_PARSE_ADDRESS(CMD_ARGV[0], addr);
3333 current = 0;
3334 }
3335
3336 return target_resume(target, current, addr, 1, 0);
3337 }
3338
3339 COMMAND_HANDLER(handle_step_command)
3340 {
3341 if (CMD_ARGC > 1)
3342 return ERROR_COMMAND_SYNTAX_ERROR;
3343
3344 LOG_DEBUG("-");
3345
3346 /* with no CMD_ARGV, step from current pc, addr = 0,
3347 * with one argument addr = CMD_ARGV[0],
3348 * handle breakpoints, debugging */
3349 target_addr_t addr = 0;
3350 int current_pc = 1;
3351 if (CMD_ARGC == 1) {
3352 COMMAND_PARSE_ADDRESS(CMD_ARGV[0], addr);
3353 current_pc = 0;
3354 }
3355
3356 struct target *target = get_current_target(CMD_CTX);
3357
3358 return target_step(target, current_pc, addr, 1);
3359 }
3360
3361 void target_handle_md_output(struct command_invocation *cmd,
3362 struct target *target, target_addr_t address, unsigned size,
3363 unsigned count, const uint8_t *buffer)
3364 {
3365 const unsigned line_bytecnt = 32;
3366 unsigned line_modulo = line_bytecnt / size;
3367
3368 char output[line_bytecnt * 4 + 1];
3369 unsigned output_len = 0;
3370
3371 const char *value_fmt;
3372 switch (size) {
3373 case 8:
3374 value_fmt = "%16.16"PRIx64" ";
3375 break;
3376 case 4:
3377 value_fmt = "%8.8"PRIx64" ";
3378 break;
3379 case 2:
3380 value_fmt = "%4.4"PRIx64" ";
3381 break;
3382 case 1:
3383 value_fmt = "%2.2"PRIx64" ";
3384 break;
3385 default:
3386 /* "can't happen", caller checked */
3387 LOG_ERROR("invalid memory read size: %u", size);
3388 return;
3389 }
3390
3391 for (unsigned i = 0; i < count; i++) {
3392 if (i % line_modulo == 0) {
3393 output_len += snprintf(output + output_len,
3394 sizeof(output) - output_len,
3395 TARGET_ADDR_FMT ": ",
3396 (address + (i * size)));
3397 }
3398
3399 uint64_t value = 0;
3400 const uint8_t *value_ptr = buffer + i * size;
3401 switch (size) {
3402 case 8:
3403 value = target_buffer_get_u64(target, value_ptr);
3404 break;
3405 case 4:
3406 value = target_buffer_get_u32(target, value_ptr);
3407 break;
3408 case 2:
3409 value = target_buffer_get_u16(target, value_ptr);
3410 break;
3411 case 1:
3412 value = *value_ptr;
3413 }
3414 output_len += snprintf(output + output_len,
3415 sizeof(output) - output_len,
3416 value_fmt, value);
3417
3418 if ((i % line_modulo == line_modulo - 1) || (i == count - 1)) {
3419 command_print(cmd, "%s", output);
3420 output_len = 0;
3421 }
3422 }
3423 }
3424
3425 COMMAND_HANDLER(handle_md_command)
3426 {
3427 if (CMD_ARGC < 1)
3428 return ERROR_COMMAND_SYNTAX_ERROR;
3429
3430 unsigned size = 0;
3431 switch (CMD_NAME[2]) {
3432 case 'd':
3433 size = 8;
3434 break;
3435 case 'w':
3436 size = 4;
3437 break;
3438 case 'h':
3439 size = 2;
3440 break;
3441 case 'b':
3442 size = 1;
3443 break;
3444 default:
3445 return ERROR_COMMAND_SYNTAX_ERROR;
3446 }
3447
3448 bool physical = strcmp(CMD_ARGV[0], "phys") == 0;
3449 int (*fn)(struct target *target,
3450 target_addr_t address, uint32_t size_value, uint32_t count, uint8_t *buffer);
3451 if (physical) {
3452 CMD_ARGC--;
3453 CMD_ARGV++;
3454 fn = target_read_phys_memory;
3455 } else
3456 fn = target_read_memory;
3457 if ((CMD_ARGC < 1) || (CMD_ARGC > 2))
3458 return ERROR_COMMAND_SYNTAX_ERROR;
3459
3460 target_addr_t address;
3461 COMMAND_PARSE_ADDRESS(CMD_ARGV[0], address);
3462
3463 unsigned count = 1;
3464 if (CMD_ARGC == 2)
3465 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[1], count);
3466
3467 uint8_t *buffer = calloc(count, size);
3468 if (!buffer) {
3469 LOG_ERROR("Failed to allocate md read buffer");
3470 return ERROR_FAIL;
3471 }
3472
3473 struct target *target = get_current_target(CMD_CTX);
3474 int retval = fn(target, address, size, count, buffer);
3475 if (retval == ERROR_OK)
3476 target_handle_md_output(CMD, target, address, size, count, buffer);
3477
3478 free(buffer);
3479
3480 return retval;
3481 }
3482
3483 typedef int (*target_write_fn)(struct target *target,
3484 target_addr_t address, uint32_t size, uint32_t count, const uint8_t *buffer);
3485
3486 static int target_fill_mem(struct target *target,
3487 target_addr_t address,
3488 target_write_fn fn,
3489 unsigned data_size,
3490 /* value */
3491 uint64_t b,
3492 /* count */
3493 unsigned c)
3494 {
3495 /* We have to write in reasonably large chunks to be able
3496 * to fill large memory areas with any sane speed */
3497 const unsigned chunk_size = 16384;
3498 uint8_t *target_buf = malloc(chunk_size * data_size);
3499 if (!target_buf) {
3500 LOG_ERROR("Out of memory");
3501 return ERROR_FAIL;
3502 }
3503
3504 for (unsigned i = 0; i < chunk_size; i++) {
3505 switch (data_size) {
3506 case 8:
3507 target_buffer_set_u64(target, target_buf + i * data_size, b);
3508 break;
3509 case 4:
3510 target_buffer_set_u32(target, target_buf + i * data_size, b);
3511 break;
3512 case 2:
3513 target_buffer_set_u16(target, target_buf + i * data_size, b);
3514 break;
3515 case 1:
3516 target_buffer_set_u8(target, target_buf + i * data_size, b);
3517 break;
3518 default:
3519 exit(-1);
3520 }
3521 }
3522
3523 int retval = ERROR_OK;
3524
3525 for (unsigned x = 0; x < c; x += chunk_size) {
3526 unsigned current;
3527 current = c - x;
3528 if (current > chunk_size)
3529 current = chunk_size;
3530 retval = fn(target, address + x * data_size, data_size, current, target_buf);
3531 if (retval != ERROR_OK)
3532 break;
3533 /* avoid GDB timeouts */
3534 keep_alive();
3535 }
3536 free(target_buf);
3537
3538 return retval;
3539 }
3540
3541
3542 COMMAND_HANDLER(handle_mw_command)
3543 {
3544 if (CMD_ARGC < 2)
3545 return ERROR_COMMAND_SYNTAX_ERROR;
3546 bool physical = strcmp(CMD_ARGV[0], "phys") == 0;
3547 target_write_fn fn;
3548 if (physical) {
3549 CMD_ARGC--;
3550 CMD_ARGV++;
3551 fn = target_write_phys_memory;
3552 } else
3553 fn = target_write_memory;
3554 if ((CMD_ARGC < 2) || (CMD_ARGC > 3))
3555 return ERROR_COMMAND_SYNTAX_ERROR;
3556
3557 target_addr_t address;
3558 COMMAND_PARSE_ADDRESS(CMD_ARGV[0], address);
3559
3560 uint64_t value;
3561 COMMAND_PARSE_NUMBER(u64, CMD_ARGV[1], value);
3562
3563 unsigned count = 1;
3564 if (CMD_ARGC == 3)
3565 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[2], count);
3566
3567 struct target *target = get_current_target(CMD_CTX);
3568 unsigned wordsize;
3569 switch (CMD_NAME[2]) {
3570 case 'd':
3571 wordsize = 8;
3572 break;
3573 case 'w':
3574 wordsize = 4;
3575 break;
3576 case 'h':
3577 wordsize = 2;
3578 break;
3579 case 'b':
3580 wordsize = 1;
3581 break;
3582 default:
3583 return ERROR_COMMAND_SYNTAX_ERROR;
3584 }
3585
3586 return target_fill_mem(target, address, fn, wordsize, value, count);
3587 }
3588
3589 static COMMAND_HELPER(parse_load_image_command, struct image *image,
3590 target_addr_t *min_address, target_addr_t *max_address)
3591 {
3592 if (CMD_ARGC < 1 || CMD_ARGC > 5)
3593 return ERROR_COMMAND_SYNTAX_ERROR;
3594
3595 /* a base address isn't always necessary,
3596 * default to 0x0 (i.e. don't relocate) */
3597 if (CMD_ARGC >= 2) {
3598 target_addr_t addr;
3599 COMMAND_PARSE_ADDRESS(CMD_ARGV[1], addr);
3600 image->base_address = addr;
3601 image->base_address_set = true;
3602 } else
3603 image->base_address_set = false;
3604
3605 image->start_address_set = false;
3606
3607 if (CMD_ARGC >= 4)
3608 COMMAND_PARSE_ADDRESS(CMD_ARGV[3], *min_address);
3609 if (CMD_ARGC == 5) {
3610 COMMAND_PARSE_ADDRESS(CMD_ARGV[4], *max_address);
3611 /* use size (given) to find max (required) */
3612 *max_address += *min_address;
3613 }
3614
3615 if (*min_address > *max_address)
3616 return ERROR_COMMAND_SYNTAX_ERROR;
3617
3618 return ERROR_OK;
3619 }
3620
3621 COMMAND_HANDLER(handle_load_image_command)
3622 {
3623 uint8_t *buffer;
3624 size_t buf_cnt;
3625 uint32_t image_size;
3626 target_addr_t min_address = 0;
3627 target_addr_t max_address = -1;
3628 struct image image;
3629
3630 int retval = CALL_COMMAND_HANDLER(parse_load_image_command,
3631 &image, &min_address, &max_address);
3632 if (retval != ERROR_OK)
3633 return retval;
3634
3635 struct target *target = get_current_target(CMD_CTX);
3636
3637 struct duration bench;
3638 duration_start(&bench);
3639
3640 if (image_open(&image, CMD_ARGV[0], (CMD_ARGC >= 3) ? CMD_ARGV[2] : NULL) != ERROR_OK)
3641 return ERROR_FAIL;
3642
3643 image_size = 0x0;
3644 retval = ERROR_OK;
3645 for (unsigned int i = 0; i < image.num_sections; i++) {
3646 buffer = malloc(image.sections[i].size);
3647 if (!buffer) {
3648 command_print(CMD,
3649 "error allocating buffer for section (%d bytes)",
3650 (int)(image.sections[i].size));
3651 retval = ERROR_FAIL;
3652 break;
3653 }
3654
3655 retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt);
3656 if (retval != ERROR_OK) {
3657 free(buffer);
3658 break;
3659 }
3660
3661 uint32_t offset = 0;
3662 uint32_t length = buf_cnt;
3663
3664 /* DANGER!!! beware of unsigned comparison here!!! */
3665
3666 if ((image.sections[i].base_address + buf_cnt >= min_address) &&
3667 (image.sections[i].base_address < max_address)) {
3668
3669 if (image.sections[i].base_address < min_address) {
3670 /* clip addresses below */
3671 offset += min_address-image.sections[i].base_address;
3672 length -= offset;
3673 }
3674
3675 if (image.sections[i].base_address + buf_cnt > max_address)
3676 length -= (image.sections[i].base_address + buf_cnt)-max_address;
3677
3678 retval = target_write_buffer(target,
3679 image.sections[i].base_address + offset, length, buffer + offset);
3680 if (retval != ERROR_OK) {
3681 free(buffer);
3682 break;
3683 }
3684 image_size += length;
3685 command_print(CMD, "%u bytes written at address " TARGET_ADDR_FMT "",
3686 (unsigned int)length,
3687 image.sections[i].base_address + offset);
3688 }
3689
3690 free(buffer);
3691 }
3692
3693 if ((retval == ERROR_OK) && (duration_measure(&bench) == ERROR_OK)) {
3694 command_print(CMD, "downloaded %" PRIu32 " bytes "
3695 "in %fs (%0.3f KiB/s)", image_size,
3696 duration_elapsed(&bench), duration_kbps(&bench, image_size));
3697 }
3698
3699 image_close(&image);
3700
3701 return retval;
3702
3703 }
3704
3705 COMMAND_HANDLER(handle_dump_image_command)
3706 {
3707 struct fileio *fileio;
3708 uint8_t *buffer;
3709 int retval, retvaltemp;
3710 target_addr_t address, size;
3711 struct duration bench;
3712 struct target *target = get_current_target(CMD_CTX);
3713
3714 if (CMD_ARGC != 3)
3715 return ERROR_COMMAND_SYNTAX_ERROR;
3716
3717 COMMAND_PARSE_ADDRESS(CMD_ARGV[1], address);
3718 COMMAND_PARSE_ADDRESS(CMD_ARGV[2], size);
3719
3720 uint32_t buf_size = (size > 4096) ? 4096 : size;
3721 buffer = malloc(buf_size);
3722 if (!buffer)
3723 return ERROR_FAIL;
3724
3725 retval = fileio_open(&fileio, CMD_ARGV[0], FILEIO_WRITE, FILEIO_BINARY);
3726 if (retval != ERROR_OK) {
3727 free(buffer);
3728 return retval;
3729 }
3730
3731 duration_start(&bench);
3732
3733 while (size > 0) {
3734 size_t size_written;
3735 uint32_t this_run_size = (size > buf_size) ? buf_size : size;
3736 retval = target_read_buffer(target, address, this_run_size, buffer);
3737 if (retval != ERROR_OK)
3738 break;
3739
3740 retval = fileio_write(fileio, this_run_size, buffer, &size_written);
3741 if (retval != ERROR_OK)
3742 break;
3743
3744 size -= this_run_size;
3745 address += this_run_size;
3746 }
3747
3748 free(buffer);
3749
3750 if ((retval == ERROR_OK) && (duration_measure(&bench) == ERROR_OK)) {
3751 size_t filesize;
3752 retval = fileio_size(fileio, &filesize);
3753 if (retval != ERROR_OK)
3754 return retval;
3755 command_print(CMD,
3756 "dumped %zu bytes in %fs (%0.3f KiB/s)", filesize,
3757 duration_elapsed(&bench), duration_kbps(&bench, filesize));
3758 }
3759
3760 retvaltemp = fileio_close(fileio);
3761 if (retvaltemp != ERROR_OK)
3762 return retvaltemp;
3763
3764 return retval;
3765 }
3766
3767 enum verify_mode {
3768 IMAGE_TEST = 0,
3769 IMAGE_VERIFY = 1,
3770 IMAGE_CHECKSUM_ONLY = 2
3771 };
3772
3773 static COMMAND_HELPER(handle_verify_image_command_internal, enum verify_mode verify)
3774 {
3775 uint8_t *buffer;
3776 size_t buf_cnt;
3777 uint32_t image_size;
3778 int retval;
3779 uint32_t checksum = 0;
3780 uint32_t mem_checksum = 0;
3781
3782 struct image image;
3783
3784 struct target *target = get_current_target(CMD_CTX);
3785
3786 if (CMD_ARGC < 1)
3787 return ERROR_COMMAND_SYNTAX_ERROR;
3788
3789 if (!target) {
3790 LOG_ERROR("no target selected");
3791 return ERROR_FAIL;
3792 }
3793
3794 struct duration bench;
3795 duration_start(&bench);
3796
3797 if (CMD_ARGC >= 2) {
3798 target_addr_t addr;
3799 COMMAND_PARSE_ADDRESS(CMD_ARGV[1], addr);
3800 image.base_address = addr;
3801 image.base_address_set = true;
3802 } else {
3803 image.base_address_set = false;
3804 image.base_address = 0x0;
3805 }
3806
3807 image.start_address_set = false;
3808
3809 retval = image_open(&image, CMD_ARGV[0], (CMD_ARGC == 3) ? CMD_ARGV[2] : NULL);
3810 if (retval != ERROR_OK)
3811 return retval;
3812
3813 image_size = 0x0;
3814 int diffs = 0;
3815 retval = ERROR_OK;
3816 for (unsigned int i = 0; i < image.num_sections; i++) {
3817 buffer = malloc(image.sections[i].size);
3818 if (!buffer) {
3819 command_print(CMD,
3820 "error allocating buffer for section (%" PRIu32 " bytes)",
3821 image.sections[i].size);
3822 break;
3823 }
3824 retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt);
3825 if (retval != ERROR_OK) {
3826 free(buffer);
3827 break;
3828 }
3829
3830 if (verify >= IMAGE_VERIFY) {
3831 /* calculate checksum of image */
3832 retval = image_calculate_checksum(buffer, buf_cnt, &checksum);
3833 if (retval != ERROR_OK) {
3834 free(buffer);
3835 break;
3836 }
3837
3838 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
3839 if (retval != ERROR_OK) {
3840 free(buffer);
3841 break;
3842 }
3843 if ((checksum != mem_checksum) && (verify == IMAGE_CHECKSUM_ONLY)) {
3844 LOG_ERROR("checksum mismatch");
3845 free(buffer);
3846 retval = ERROR_FAIL;
3847 goto done;
3848 }
3849 if (checksum != mem_checksum) {
3850 /* failed crc checksum, fall back to a binary compare */
3851 uint8_t *data;
3852
3853 if (diffs == 0)
3854 LOG_ERROR("checksum mismatch - attempting binary compare");
3855
3856 data = malloc(buf_cnt);
3857
3858 retval = target_read_buffer(target, image.sections[i].base_address, buf_cnt, data);
3859 if (retval == ERROR_OK) {
3860 uint32_t t;
3861 for (t = 0; t < buf_cnt; t++) {
3862 if (data[t] != buffer[t]) {
3863 command_print(CMD,
3864 "diff %d address 0x%08x. Was 0x%02x instead of 0x%02x",
3865 diffs,
3866 (unsigned)(t + image.sections[i].base_address),
3867 data[t],
3868 buffer[t]);
3869 if (diffs++ >= 127) {
3870 command_print(CMD, "More than 128 errors, the rest are not printed.");
3871 free(data);
3872 free(buffer);
3873 goto done;
3874 }
3875 }
3876 keep_alive();
3877 }
3878 }
3879 free(data);
3880 }
3881 } else {
3882 command_print(CMD, "address " TARGET_ADDR_FMT " length 0x%08zx",
3883 image.sections[i].base_address,
3884 buf_cnt);
3885 }
3886
3887 free(buffer);
3888 image_size += buf_cnt;
3889 }
3890 if (diffs > 0)
3891 command_print(CMD, "No more differences found.");
3892 done:
3893 if (diffs > 0)
3894 retval = ERROR_FAIL;
3895 if ((retval == ERROR_OK) && (duration_measure(&bench) == ERROR_OK)) {
3896 command_print(CMD, "verified %" PRIu32 " bytes "
3897 "in %fs (%0.3f KiB/s)", image_size,
3898 duration_elapsed(&bench), duration_kbps(&bench, image_size));
3899 }
3900
3901 image_close(&image);
3902
3903 return retval;
3904 }
3905
3906 COMMAND_HANDLER(handle_verify_image_checksum_command)
3907 {
3908 return CALL_COMMAND_HANDLER(handle_verify_image_command_internal, IMAGE_CHECKSUM_ONLY);
3909 }
3910
3911 COMMAND_HANDLER(handle_verify_image_command)
3912 {
3913 return CALL_COMMAND_HANDLER(handle_verify_image_command_internal, IMAGE_VERIFY);
3914 }
3915
3916 COMMAND_HANDLER(handle_test_image_command)
3917 {
3918 return CALL_COMMAND_HANDLER(handle_verify_image_command_internal, IMAGE_TEST);
3919 }
3920
3921 static int handle_bp_command_list(struct command_invocation *cmd)
3922 {
3923 struct target *target = get_current_target(cmd->ctx);
3924 struct breakpoint *breakpoint = target->breakpoints;
3925 while (breakpoint) {
3926 if (breakpoint->type == BKPT_SOFT) {
3927 char *buf = buf_to_hex_str(breakpoint->orig_instr,
3928 breakpoint->length);
3929 command_print(cmd, "IVA breakpoint: " TARGET_ADDR_FMT ", 0x%x, 0x%s",
3930 breakpoint->address,
3931 breakpoint->length,
3932 buf);
3933 free(buf);
3934 } else {
3935 if ((breakpoint->address == 0) && (breakpoint->asid != 0))
3936 command_print(cmd, "Context breakpoint: 0x%8.8" PRIx32 ", 0x%x, %u",
3937 breakpoint->asid,
3938 breakpoint->length, breakpoint->number);
3939 else if ((breakpoint->address != 0) && (breakpoint->asid != 0)) {
3940 command_print(cmd, "Hybrid breakpoint(IVA): " TARGET_ADDR_FMT ", 0x%x, %u",
3941 breakpoint->address,
3942 breakpoint->length, breakpoint->number);
3943 command_print(cmd, "\t|--->linked with ContextID: 0x%8.8" PRIx32,
3944 breakpoint->asid);
3945 } else
3946 command_print(cmd, "Breakpoint(IVA): " TARGET_ADDR_FMT ", 0x%x, %u",
3947 breakpoint->address,
3948 breakpoint->length, breakpoint->number);
3949 }
3950
3951 breakpoint = breakpoint->next;
3952 }
3953 return ERROR_OK;
3954 }
3955
3956 static int handle_bp_command_set(struct command_invocation *cmd,
3957 target_addr_t addr, uint32_t asid, uint32_t length, int hw)
3958 {
3959 struct target *target = get_current_target(cmd->ctx);
3960 int retval;
3961
3962 if (asid == 0) {
3963 retval = breakpoint_add(target, addr, length, hw);
3964 /* error is always logged in breakpoint_add(), do not print it again */
3965 if (retval == ERROR_OK)
3966 command_print(cmd, "breakpoint set at " TARGET_ADDR_FMT "", addr);
3967
3968 } else if (addr == 0) {
3969 if (!target->type->add_context_breakpoint) {
3970 LOG_ERROR("Context breakpoint not available");
3971 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
3972 }
3973 retval = context_breakpoint_add(target, asid, length, hw);
3974 /* error is always logged in context_breakpoint_add(), do not print it again */
3975 if (retval == ERROR_OK)
3976 command_print(cmd, "Context breakpoint set at 0x%8.8" PRIx32 "", asid);
3977
3978 } else {
3979 if (!target->type->add_hybrid_breakpoint) {
3980 LOG_ERROR("Hybrid breakpoint not available");
3981 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
3982 }
3983 retval = hybrid_breakpoint_add(target, addr, asid, length, hw);
3984 /* error is always logged in hybrid_breakpoint_add(), do not print it again */
3985 if (retval == ERROR_OK)
3986 command_print(cmd, "Hybrid breakpoint set at 0x%8.8" PRIx32 "", asid);
3987 }
3988 return retval;
3989 }
3990
3991 COMMAND_HANDLER(handle_bp_command)
3992 {
3993 target_addr_t addr;
3994 uint32_t asid;
3995 uint32_t length;
3996 int hw = BKPT_SOFT;
3997
3998 switch (CMD_ARGC) {
3999 case 0:
4000 return handle_bp_command_list(CMD);
4001
4002 case 2:
4003 asid = 0;
4004 COMMAND_PARSE_ADDRESS(CMD_ARGV[0], addr);
4005 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
4006 return handle_bp_command_set(CMD, addr, asid, length, hw);
4007
4008 case 3:
4009 if (strcmp(CMD_ARGV[2], "hw") == 0) {
4010 hw = BKPT_HARD;
4011 COMMAND_PARSE_ADDRESS(CMD_ARGV[0], addr);
4012 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
4013 asid = 0;
4014 return handle_bp_command_set(CMD, addr, asid, length, hw);
4015 } else if (strcmp(CMD_ARGV[2], "hw_ctx") == 0) {
4016 hw = BKPT_HARD;
4017 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], asid);
4018 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
4019 addr = 0;
4020 return handle_bp_command_set(CMD, addr, asid, length, hw);
4021 }
4022 /* fallthrough */
4023 case 4:
4024 hw = BKPT_HARD;
4025 COMMAND_PARSE_ADDRESS(CMD_ARGV[0], addr);
4026 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], asid);
4027 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], length);
4028 return handle_bp_command_set(CMD, addr, asid, length, hw);
4029
4030 default:
4031 return ERROR_COMMAND_SYNTAX_ERROR;
4032 }
4033 }
4034
4035 COMMAND_HANDLER(handle_rbp_command)
4036 {
4037 if (CMD_ARGC != 1)
4038 return ERROR_COMMAND_SYNTAX_ERROR;
4039
4040 struct target *target = get_current_target(CMD_CTX);
4041
4042 if (!strcmp(CMD_ARGV[0], "all")) {
4043 breakpoint_remove_all(target);
4044 } else {
4045 target_addr_t addr;
4046 COMMAND_PARSE_ADDRESS(CMD_ARGV[0], addr);
4047
4048 breakpoint_remove(target, addr);
4049 }
4050
4051 return ERROR_OK;
4052 }
4053
4054 COMMAND_HANDLER(handle_wp_command)
4055 {
4056 struct target *target = get_current_target(CMD_CTX);
4057
4058 if (CMD_ARGC == 0) {
4059 struct watchpoint *watchpoint = target->watchpoints;
4060
4061 while (watchpoint) {
4062 command_print(CMD, "address: " TARGET_ADDR_FMT
4063 ", len: 0x%8.8" PRIx32
4064 ", r/w/a: %i, value: 0x%8.8" PRIx64
4065 ", mask: 0x%8.8" PRIx64,
4066 watchpoint->address,
4067 watchpoint->length,
4068 (int)watchpoint->rw,
4069 watchpoint->value,
4070 watchpoint->mask);
4071 watchpoint = watchpoint->next;
4072 }
4073 return ERROR_OK;
4074 }
4075
4076 enum watchpoint_rw type = WPT_ACCESS;
4077 target_addr_t addr = 0;
4078 uint32_t length = 0;
4079 uint64_t data_value = 0x0;
4080 uint64_t data_mask = WATCHPOINT_IGNORE_DATA_VALUE_MASK;
4081 bool mask_specified = false;
4082
4083 switch (CMD_ARGC) {
4084 case 5:
4085 COMMAND_PARSE_NUMBER(u64, CMD_ARGV[4], data_mask);
4086 mask_specified = true;
4087 /* fall through */
4088 case 4:
4089 COMMAND_PARSE_NUMBER(u64, CMD_ARGV[3], data_value);
4090 // if user specified only data value without mask - the mask should be 0
4091 if (!mask_specified)
4092 data_mask = 0;
4093 /* fall through */
4094 case 3:
4095 switch (CMD_ARGV[2][0]) {
4096 case 'r':
4097 type = WPT_READ;
4098 break;
4099 case 'w':
4100 type = WPT_WRITE;
4101 break;
4102 case 'a':
4103 type = WPT_ACCESS;
4104 break;
4105 default:
4106 LOG_ERROR("invalid watchpoint mode ('%c')", CMD_ARGV[2][0]);
4107 return ERROR_COMMAND_SYNTAX_ERROR;
4108 }
4109 /* fall through */
4110 case 2:
4111 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
4112 COMMAND_PARSE_ADDRESS(CMD_ARGV[0], addr);
4113 break;
4114
4115 default:
4116 return ERROR_COMMAND_SYNTAX_ERROR;
4117 }
4118
4119 int retval = watchpoint_add(target, addr, length, type,
4120 data_value, data_mask);
4121 if (retval != ERROR_OK)
4122 LOG_ERROR("Failure setting watchpoints");
4123
4124 return retval;
4125 }
4126
4127 COMMAND_HANDLER(handle_rwp_command)
4128 {
4129 if (CMD_ARGC != 1)
4130 return ERROR_COMMAND_SYNTAX_ERROR;
4131
4132 target_addr_t addr;
4133 COMMAND_PARSE_ADDRESS(CMD_ARGV[0], addr);
4134
4135 struct target *target = get_current_target(CMD_CTX);
4136 watchpoint_remove(target, addr);
4137
4138 return ERROR_OK;
4139 }
4140
4141 /**
4142 * Translate a virtual address to a physical address.
4143 *
4144 * The low-level target implementation must have logged a detailed error
4145 * which is forwarded to telnet/GDB session.
4146 */
4147 COMMAND_HANDLER(handle_virt2phys_command)
4148 {
4149 if (CMD_ARGC != 1)
4150 return ERROR_COMMAND_SYNTAX_ERROR;
4151
4152 target_addr_t va;
4153 COMMAND_PARSE_ADDRESS(CMD_ARGV[0], va);
4154 target_addr_t pa;
4155
4156 struct target *target = get_current_target(CMD_CTX);
4157 int retval = target->type->virt2phys(target, va, &pa);
4158 if (retval == ERROR_OK)
4159 command_print(CMD, "Physical address " TARGET_ADDR_FMT "", pa);
4160
4161 return retval;
4162 }
4163
4164 static void write_data(FILE *f, const void *data, size_t len)
4165 {
4166 size_t written = fwrite(data, 1, len, f);
4167 if (written != len)
4168 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
4169 }
4170
4171 static void write_long(FILE *f, int l, struct target *target)
4172 {
4173 uint8_t val[4];
4174
4175 target_buffer_set_u32(target, val, l);
4176 write_data(f, val, 4);
4177 }
4178
4179 static void write_string(FILE *f, char *s)
4180 {
4181 write_data(f, s, strlen(s));
4182 }
4183
4184 typedef unsigned char UNIT[2]; /* unit of profiling */
4185
4186 /* Dump a gmon.out histogram file. */
4187 static void write_gmon(uint32_t *samples, uint32_t sample_num, const char *filename, bool with_range,
4188 uint32_t start_address, uint32_t end_address, struct target *target, uint32_t duration_ms)
4189 {
4190 uint32_t i;
4191 FILE *f = fopen(filename, "w");
4192 if (!f)
4193 return;
4194 write_string(f, "gmon");
4195 write_long(f, 0x00000001, target); /* Version */
4196 write_long(f, 0, target); /* padding */
4197 write_long(f, 0, target); /* padding */
4198 write_long(f, 0, target); /* padding */
4199
4200 uint8_t zero = 0; /* GMON_TAG_TIME_HIST */
4201 write_data(f, &zero, 1);
4202
4203 /* figure out bucket size */
4204 uint32_t min;
4205 uint32_t max;
4206 if (with_range) {
4207 min = start_address;
4208 max = end_address;
4209 } else {
4210 min = samples[0];
4211 max = samples[0];
4212 for (i = 0; i < sample_num; i++) {
4213 if (min > samples[i])
4214 min = samples[i];
4215 if (max < samples[i])
4216 max = samples[i];
4217 }
4218
4219 /* max should be (largest sample + 1)
4220 * Refer to binutils/gprof/hist.c (find_histogram_for_pc) */
4221 if (max < UINT32_MAX)
4222 max++;
4223
4224 /* gprof requires (max - min) >= 2 */
4225 while ((max - min) < 2) {
4226 if (max < UINT32_MAX)
4227 max++;
4228 else
4229 min--;
4230 }
4231 }
4232
4233 uint32_t address_space = max - min;
4234
4235 /* FIXME: What is the reasonable number of buckets?
4236 * The profiling result will be more accurate if there are enough buckets. */
4237 static const uint32_t max_buckets = 128 * 1024; /* maximum buckets. */
4238 uint32_t num_buckets = address_space / sizeof(UNIT);
4239 if (num_buckets > max_buckets)
4240 num_buckets = max_buckets;
4241 int *buckets = malloc(sizeof(int) * num_buckets);
4242 if (!buckets) {
4243 fclose(f);
4244 return;
4245 }
4246 memset(buckets, 0, sizeof(int) * num_buckets);
4247 for (i = 0; i < sample_num; i++) {
4248 uint32_t address = samples[i];
4249
4250 if ((address < min) || (max <= address))
4251 continue;
4252
4253 long long a = address - min;
4254 long long b = num_buckets;
4255 long long c = address_space;
4256 int index_t = (a * b) / c; /* danger!!!! int32 overflows */
4257 buckets[index_t]++;
4258 }
4259
4260 /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
4261 write_long(f, min, target); /* low_pc */
4262 write_long(f, max, target); /* high_pc */
4263 write_long(f, num_buckets, target); /* # of buckets */
4264 float sample_rate = sample_num / (duration_ms / 1000.0);
4265 write_long(f, sample_rate, target);
4266 write_string(f, "seconds");
4267 for (i = 0; i < (15-strlen("seconds")); i++)
4268 write_data(f, &zero, 1);
4269 write_string(f, "s");
4270
4271 /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
4272
4273 char *data = malloc(2 * num_buckets);
4274 if (data) {
4275 for (i = 0; i < num_buckets; i++) {
4276 int val;
4277 val = buckets[i];
4278 if (val > 65535)
4279 val = 65535;
4280 data[i * 2] = val&0xff;
4281 data[i * 2 + 1] = (val >> 8) & 0xff;
4282 }
4283 free(buckets);
4284 write_data(f, data, num_buckets * 2);
4285 free(data);
4286 } else
4287 free(buckets);
4288
4289 fclose(f);
4290 }
4291
4292 /* profiling samples the CPU PC as quickly as OpenOCD is able,
4293 * which will be used as a random sampling of PC */
4294 COMMAND_HANDLER(handle_profile_command)
4295 {
4296 struct target *target = get_current_target(CMD_CTX);
4297
4298 if ((CMD_ARGC != 2) && (CMD_ARGC != 4))
4299 return ERROR_COMMAND_SYNTAX_ERROR;
4300
4301 const uint32_t MAX_PROFILE_SAMPLE_NUM = 10000;
4302 uint32_t offset;
4303 uint32_t num_of_samples;
4304 int retval = ERROR_OK;
4305 bool halted_before_profiling = target->state == TARGET_HALTED;
4306
4307 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], offset);
4308
4309 uint32_t start_address = 0;
4310 uint32_t end_address = 0;
4311 bool with_range = false;
4312 if (CMD_ARGC == 4) {
4313 with_range = true;
4314 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], start_address);
4315 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[3], end_address);
4316 if (start_address > end_address || (end_address - start_address) < 2) {
4317 command_print(CMD, "Error: end - start < 2");
4318 return ERROR_COMMAND_ARGUMENT_INVALID;
4319 }
4320 }
4321
4322 uint32_t *samples = malloc(sizeof(uint32_t) * MAX_PROFILE_SAMPLE_NUM);
4323 if (!samples) {
4324 LOG_ERROR("No memory to store samples.");
4325 return ERROR_FAIL;
4326 }
4327
4328 uint64_t timestart_ms = timeval_ms();
4329 /**
4330 * Some cores let us sample the PC without the
4331 * annoying halt/resume step; for example, ARMv7 PCSR.
4332 * Provide a way to use that more efficient mechanism.
4333 */
4334 retval = target_profiling(target, samples, MAX_PROFILE_SAMPLE_NUM,
4335 &num_of_samples, offset);
4336 if (retval != ERROR_OK) {
4337 free(samples);
4338 return retval;
4339 }
4340 uint32_t duration_ms = timeval_ms() - timestart_ms;
4341
4342 assert(num_of_samples <= MAX_PROFILE_SAMPLE_NUM);
4343
4344 retval = target_poll(target);
4345 if (retval != ERROR_OK) {
4346 free(samples);
4347 return retval;
4348 }
4349
4350 if (target->state == TARGET_RUNNING && halted_before_profiling) {
4351 /* The target was halted before we started and is running now. Halt it,
4352 * for consistency. */
4353 retval = target_halt(target);
4354 if (retval != ERROR_OK) {
4355 free(samples);
4356 return retval;
4357 }
4358 } else if (target->state == TARGET_HALTED && !halted_before_profiling) {
4359 /* The target was running before we started and is halted now. Resume
4360 * it, for consistency. */
4361 retval = target_resume(target, 1, 0, 0, 0);
4362 if (retval != ERROR_OK) {
4363 free(samples);
4364 return retval;
4365 }
4366 }
4367
4368 retval = target_poll(target);
4369 if (retval != ERROR_OK) {
4370 free(samples);
4371 return retval;
4372 }
4373
4374 write_gmon(samples, num_of_samples, CMD_ARGV[1],
4375 with_range, start_address, end_address, target, duration_ms);
4376 command_print(CMD, "Wrote %s", CMD_ARGV[1]);
4377
4378 free(samples);
4379 return retval;
4380 }
4381
4382 static int new_u64_array_element(Jim_Interp *interp, const char *varname, int idx, uint64_t val)
4383 {
4384 char *namebuf;
4385 Jim_Obj *obj_name, *obj_val;
4386 int result;
4387
4388 namebuf = alloc_printf("%s(%d)", varname, idx);
4389 if (!namebuf)
4390 return JIM_ERR;
4391
4392 obj_name = Jim_NewStringObj(interp, namebuf, -1);
4393 jim_wide wide_val = val;
4394 obj_val = Jim_NewWideObj(interp, wide_val);
4395 if (!obj_name || !obj_val) {
4396 free(namebuf);
4397 return JIM_ERR;
4398 }
4399
4400 Jim_IncrRefCount(obj_name);
4401 Jim_IncrRefCount(obj_val);
4402 result = Jim_SetVariable(interp, obj_name, obj_val);
4403 Jim_DecrRefCount(interp, obj_name);
4404 Jim_DecrRefCount(interp, obj_val);
4405 free(namebuf);
4406 /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
4407 return result;
4408 }
4409
4410 static int target_mem2array(Jim_Interp *interp, struct target *target, int argc, Jim_Obj *const *argv)
4411 {
4412 int e;
4413
4414 LOG_WARNING("DEPRECATED! use 'read_memory' not 'mem2array'");
4415
4416 /* argv[0] = name of array to receive the data
4417 * argv[1] = desired element width in bits
4418 * argv[2] = memory address
4419 * argv[3] = count of times to read
4420 * argv[4] = optional "phys"
4421 */
4422 if (argc < 4 || argc > 5) {
4423 Jim_WrongNumArgs(interp, 0, argv, "varname width addr nelems [phys]");
4424 return JIM_ERR;
4425 }
4426
4427 /* Arg 0: Name of the array variable */
4428 const char *varname = Jim_GetString(argv[0], NULL);
4429
4430 /* Arg 1: Bit width of one element */
4431 long l;
4432 e = Jim_GetLong(interp, argv[1], &l);
4433 if (e != JIM_OK)
4434 return e;
4435 const unsigned int width_bits = l;
4436
4437 if (width_bits != 8 &&
4438 width_bits != 16 &&
4439 width_bits != 32 &&
4440 width_bits != 64) {
4441 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4442 Jim_AppendStrings(interp, Jim_GetResult(interp),
4443 "Invalid width param. Must be one of: 8, 16, 32 or 64.", NULL);
4444 return JIM_ERR;
4445 }
4446 const unsigned int width = width_bits / 8;
4447
4448 /* Arg 2: Memory address */
4449 jim_wide wide_addr;
4450 e = Jim_GetWide(interp, argv[2], &wide_addr);
4451 if (e != JIM_OK)
4452 return e;
4453 target_addr_t addr = (target_addr_t)wide_addr;
4454
4455 /* Arg 3: Number of elements to read */
4456 e = Jim_GetLong(interp, argv[3], &l);
4457 if (e != JIM_OK)
4458 return e;
4459 size_t len = l;
4460
4461 /* Arg 4: phys */
4462 bool is_phys = false;
4463 if (argc > 4) {
4464 int str_len = 0;
4465 const char *phys = Jim_GetString(argv[4], &str_len);
4466 if (!strncmp(phys, "phys", str_len))
4467 is_phys = true;
4468 else
4469 return JIM_ERR;
4470 }
4471
4472 /* Argument checks */
4473 if (len == 0) {
4474 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4475 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
4476 return JIM_ERR;
4477 }
4478 if ((addr + (len * width)) < addr) {
4479 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4480 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
4481 return JIM_ERR;
4482 }
4483 if (len > 65536) {
4484 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4485 Jim_AppendStrings(interp, Jim_GetResult(interp),
4486 "mem2array: too large read request, exceeds 64K items", NULL);
4487 return JIM_ERR;
4488 }
4489
4490 if ((width == 1) ||
4491 ((width == 2) && ((addr & 1) == 0)) ||
4492 ((width == 4) && ((addr & 3) == 0)) ||
4493 ((width == 8) && ((addr & 7) == 0))) {
4494 /* alignment correct */
4495 } else {
4496 char buf[100];
4497 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4498 sprintf(buf, "mem2array address: " TARGET_ADDR_FMT " is not aligned for %" PRIu32 " byte reads",
4499 addr,
4500 width);
4501 Jim_AppendStrings(interp, Jim_GetResult(interp), buf, NULL);
4502 return JIM_ERR;
4503 }
4504
4505 /* Transfer loop */
4506
4507 /* index counter */
4508 size_t idx = 0;
4509
4510 const size_t buffersize = 4096;
4511 uint8_t *buffer = malloc(buffersize);
4512 if (!buffer)
4513 return JIM_ERR;
4514
4515 /* assume ok */
4516 e = JIM_OK;
4517 while (len) {
4518 /* Slurp... in buffer size chunks */
4519 const unsigned int max_chunk_len = buffersize / width;
4520 const size_t chunk_len = MIN(len, max_chunk_len); /* in elements.. */
4521
4522 int retval;
4523 if (is_phys)
4524 retval = target_read_phys_memory(target, addr, width, chunk_len, buffer);
4525 else
4526 retval = target_read_memory(target, addr, width, chunk_len, buffer);
4527 if (retval != ERROR_OK) {
4528 /* BOO !*/
4529 LOG_ERROR("mem2array: Read @ " TARGET_ADDR_FMT ", w=%u, cnt=%zu, failed",
4530 addr,
4531 width,
4532 chunk_len);
4533 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4534 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
4535 e = JIM_ERR;
4536 break;
4537 } else {
4538 for (size_t i = 0; i < chunk_len ; i++, idx++) {
4539 uint64_t v = 0;
4540 switch (width) {
4541 case 8:
4542 v = target_buffer_get_u64(target, &buffer[i*width]);
4543 break;
4544 case 4:
4545 v = target_buffer_get_u32(target, &buffer[i*width]);
4546 break;
4547 case 2:
4548 v = target_buffer_get_u16(target, &buffer[i*width]);
4549 break;
4550 case 1:
4551 v = buffer[i] & 0x0ff;
4552 break;
4553 }
4554 new_u64_array_element(interp, varname, idx, v);
4555 }
4556 len -= chunk_len;
4557 addr += chunk_len * width;
4558 }
4559 }
4560
4561 free(buffer);
4562
4563 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4564
4565 return e;
4566 }
4567
4568 COMMAND_HANDLER(handle_target_read_memory)
4569 {
4570 /*
4571 * CMD_ARGV[0] = memory address
4572 * CMD_ARGV[1] = desired element width in bits
4573 * CMD_ARGV[2] = number of elements to read
4574 * CMD_ARGV[3] = optional "phys"
4575 */
4576
4577 if (CMD_ARGC < 3 || CMD_ARGC > 4)
4578 return ERROR_COMMAND_SYNTAX_ERROR;
4579
4580 /* Arg 1: Memory address. */
4581 target_addr_t addr;
4582 COMMAND_PARSE_NUMBER(u64, CMD_ARGV[0], addr);
4583
4584 /* Arg 2: Bit width of one element. */
4585 unsigned int width_bits;
4586 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[1], width_bits);
4587
4588 /* Arg 3: Number of elements to read. */
4589 unsigned int count;
4590 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[2], count);
4591
4592 /* Arg 4: Optional 'phys'. */
4593 bool is_phys = false;
4594 if (CMD_ARGC == 4) {
4595 if (strcmp(CMD_ARGV[3], "phys")) {
4596 command_print(CMD, "invalid argument '%s', must be 'phys'", CMD_ARGV[3]);
4597 return ERROR_COMMAND_ARGUMENT_INVALID;
4598 }
4599
4600 is_phys = true;
4601 }
4602
4603 switch (width_bits) {
4604 case 8:
4605 case 16:
4606 case 32:
4607 case 64:
4608 break;
4609 default:
4610 command_print(CMD, "invalid width, must be 8, 16, 32 or 64");
4611 return ERROR_COMMAND_ARGUMENT_INVALID;
4612 }
4613
4614 const unsigned int width = width_bits / 8;
4615
4616 if ((addr + (count * width)) < addr) {
4617 command_print(CMD, "read_memory: addr + count wraps to zero");
4618 return ERROR_COMMAND_ARGUMENT_INVALID;
4619 }
4620
4621 if (count > 65536) {
4622 command_print(CMD, "read_memory: too large read request, exceeds 64K elements");
4623 return ERROR_COMMAND_ARGUMENT_INVALID;
4624 }
4625
4626 struct target *target = get_current_target(CMD_CTX);
4627
4628 const size_t buffersize = 4096;
4629 uint8_t *buffer = malloc(buffersize);
4630
4631 if (!buffer) {
4632 LOG_ERROR("Failed to allocate memory");
4633 return ERROR_FAIL;
4634 }
4635
4636 char *separator = "";
4637 while (count > 0) {
4638 const unsigned int max_chunk_len = buffersize / width;
4639 const size_t chunk_len = MIN(count, max_chunk_len);
4640
4641 int retval;
4642
4643 if (is_phys)
4644 retval = target_read_phys_memory(target, addr, width, chunk_len, buffer);
4645 else
4646 retval = target_read_memory(target, addr, width, chunk_len, buffer);
4647
4648 if (retval != ERROR_OK) {
4649 LOG_DEBUG("read_memory: read at " TARGET_ADDR_FMT " with width=%u and count=%zu failed",
4650 addr, width_bits, chunk_len);
4651 /*
4652 * FIXME: we append the errmsg to the list of value already read.
4653 * Add a way to flush and replace old output, but LOG_DEBUG() it
4654 */
4655 command_print(CMD, "read_memory: failed to read memory");
4656 free(buffer);
4657 return retval;
4658 }
4659
4660 for (size_t i = 0; i < chunk_len ; i++) {
4661 uint64_t v = 0;
4662
4663 switch (width) {
4664 case 8:
4665 v = target_buffer_get_u64(target, &buffer[i * width]);
4666 break;
4667 case 4:
4668 v = target_buffer_get_u32(target, &buffer[i * width]);
4669 break;
4670 case 2:
4671 v = target_buffer_get_u16(target, &buffer[i * width]);
4672 break;
4673 case 1:
4674 v = buffer[i];
4675 break;
4676 }
4677
4678 command_print_sameline(CMD, "%s0x%" PRIx64, separator, v);
4679 separator = " ";
4680 }
4681
4682 count -= chunk_len;
4683 addr += chunk_len * width;
4684 }
4685
4686 free(buffer);
4687
4688 return ERROR_OK;
4689 }
4690
4691 static int get_u64_array_element(Jim_Interp *interp, const char *varname, size_t idx, uint64_t *val)
4692 {
4693 char *namebuf = alloc_printf("%s(%zu)", varname, idx);
4694 if (!namebuf)
4695 return JIM_ERR;
4696
4697 Jim_Obj *obj_name = Jim_NewStringObj(interp, namebuf, -1);
4698 if (!obj_name) {
4699 free(namebuf);
4700 return JIM_ERR;
4701 }
4702
4703 Jim_IncrRefCount(obj_name);
4704 Jim_Obj *obj_val = Jim_GetVariable(interp, obj_name, JIM_ERRMSG);
4705 Jim_DecrRefCount(interp, obj_name);
4706 free(namebuf);
4707 if (!obj_val)
4708 return JIM_ERR;
4709
4710 jim_wide wide_val;
4711 int result = Jim_GetWide(interp, obj_val, &wide_val);
4712 *val = wide_val;
4713 return result;
4714 }
4715
4716 static int target_array2mem(Jim_Interp *interp, struct target *target,
4717 int argc, Jim_Obj *const *argv)
4718 {
4719 int e;
4720
4721 LOG_WARNING("DEPRECATED! use 'write_memory' not 'array2mem'");
4722
4723 /* argv[0] = name of array from which to read the data
4724 * argv[1] = desired element width in bits
4725 * argv[2] = memory address
4726 * argv[3] = number of elements to write
4727 * argv[4] = optional "phys"
4728 */
4729 if (argc < 4 || argc > 5) {
4730 Jim_WrongNumArgs(interp, 0, argv, "varname width addr nelems [phys]");
4731 return JIM_ERR;
4732 }
4733
4734 /* Arg 0: Name of the array variable */
4735 const char *varname = Jim_GetString(argv[0], NULL);
4736
4737 /* Arg 1: Bit width of one element */
4738 long l;
4739 e = Jim_GetLong(interp, argv[1], &l);
4740 if (e != JIM_OK)
4741 return e;
4742 const unsigned int width_bits = l;
4743
4744 if (width_bits != 8 &&
4745 width_bits != 16 &&
4746 width_bits != 32 &&
4747 width_bits != 64) {
4748 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4749 Jim_AppendStrings(interp, Jim_GetResult(interp),
4750 "Invalid width param. Must be one of: 8, 16, 32 or 64.", NULL);
4751 return JIM_ERR;
4752 }
4753 const unsigned int width = width_bits / 8;
4754
4755 /* Arg 2: Memory address */
4756 jim_wide wide_addr;
4757 e = Jim_GetWide(interp, argv[2], &wide_addr);
4758 if (e != JIM_OK)
4759 return e;
4760 target_addr_t addr = (target_addr_t)wide_addr;
4761
4762 /* Arg 3: Number of elements to write */
4763 e = Jim_GetLong(interp, argv[3], &l);
4764 if (e != JIM_OK)
4765 return e;
4766 size_t len = l;
4767
4768 /* Arg 4: Phys */
4769 bool is_phys = false;
4770 if (argc > 4) {
4771 int str_len = 0;
4772 const char *phys = Jim_GetString(argv[4], &str_len);
4773 if (!strncmp(phys, "phys", str_len))
4774 is_phys = true;
4775 else
4776 return JIM_ERR;
4777 }
4778
4779 /* Argument checks */
4780 if (len == 0) {
4781 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4782 Jim_AppendStrings(interp, Jim_GetResult(interp),
4783 "array2mem: zero width read?", NULL);
4784 return JIM_ERR;
4785 }
4786
4787 if ((addr + (len * width)) < addr) {
4788 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4789 Jim_AppendStrings(interp, Jim_GetResult(interp),
4790 "array2mem: addr + len - wraps to zero?", NULL);
4791 return JIM_ERR;
4792 }
4793
4794 if (len > 65536) {
4795 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4796 Jim_AppendStrings(interp, Jim_GetResult(interp),
4797 "array2mem: too large memory write request, exceeds 64K items", NULL);
4798 return JIM_ERR;
4799 }
4800
4801 if ((width == 1) ||
4802 ((width == 2) && ((addr & 1) == 0)) ||
4803 ((width == 4) && ((addr & 3) == 0)) ||
4804 ((width == 8) && ((addr & 7) == 0))) {
4805 /* alignment correct */
4806 } else {
4807 char buf[100];
4808 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4809 sprintf(buf, "array2mem address: " TARGET_ADDR_FMT " is not aligned for %" PRIu32 " byte reads",
4810 addr,
4811 width);
4812 Jim_AppendStrings(interp, Jim_GetResult(interp), buf, NULL);
4813 return JIM_ERR;
4814 }
4815
4816 /* Transfer loop */
4817
4818 /* assume ok */
4819 e = JIM_OK;
4820
4821 const size_t buffersize = 4096;
4822 uint8_t *buffer = malloc(buffersize);
4823 if (!buffer)
4824 return JIM_ERR;
4825
4826 /* index counter */
4827 size_t idx = 0;
4828
4829 while (len) {
4830 /* Slurp... in buffer size chunks */
4831 const unsigned int max_chunk_len = buffersize / width;
4832
4833 const size_t chunk_len = MIN(len, max_chunk_len); /* in elements.. */
4834
4835 /* Fill the buffer */
4836 for (size_t i = 0; i < chunk_len; i++, idx++) {
4837 uint64_t v = 0;
4838 if (get_u64_array_element(interp, varname, idx, &v) != JIM_OK) {
4839 free(buffer);
4840 return JIM_ERR;
4841 }
4842 switch (width) {
4843 case 8:
4844 target_buffer_set_u64(target, &buffer[i * width], v);
4845 break;
4846 case 4:
4847 target_buffer_set_u32(target, &buffer[i * width], v);
4848 break;
4849 case 2:
4850 target_buffer_set_u16(target, &buffer[i * width], v);
4851 break;
4852 case 1:
4853 buffer[i] = v & 0x0ff;
4854 break;
4855 }
4856 }
4857 len -= chunk_len;
4858
4859 /* Write the buffer to memory */
4860 int retval;
4861 if (is_phys)
4862 retval = target_write_phys_memory(target, addr, width, chunk_len, buffer);
4863 else
4864 retval = target_write_memory(target, addr, width, chunk_len, buffer);
4865 if (retval != ERROR_OK) {
4866 /* BOO !*/
4867 LOG_ERROR("array2mem: Write @ " TARGET_ADDR_FMT ", w=%u, cnt=%zu, failed",
4868 addr,
4869 width,
4870 chunk_len);
4871 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4872 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
4873 e = JIM_ERR;
4874 break;
4875 }
4876 addr += chunk_len * width;
4877 }
4878
4879 free(buffer);
4880
4881 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
4882
4883 return e;
4884 }
4885
4886 static int target_jim_write_memory(Jim_Interp *interp, int argc,
4887 Jim_Obj * const *argv)
4888 {
4889 /*
4890 * argv[1] = memory address
4891 * argv[2] = desired element width in bits
4892 * argv[3] = list of data to write
4893 * argv[4] = optional "phys"
4894 */
4895
4896 if (argc < 4 || argc > 5) {
4897 Jim_WrongNumArgs(interp, 1, argv, "address width data ['phys']");
4898 return JIM_ERR;
4899 }
4900
4901 /* Arg 1: Memory address. */
4902 int e;
4903 jim_wide wide_addr;
4904 e = Jim_GetWide(interp, argv[1], &wide_addr);
4905
4906 if (e != JIM_OK)
4907 return e;
4908
4909 target_addr_t addr = (target_addr_t)wide_addr;
4910
4911 /* Arg 2: Bit width of one element. */
4912 long l;
4913 e = Jim_GetLong(interp, argv[2], &l);
4914
4915 if (e != JIM_OK)
4916 return e;
4917
4918 const unsigned int width_bits = l;
4919 size_t count = Jim_ListLength(interp, argv[3]);
4920
4921 /* Arg 4: Optional 'phys'. */
4922 bool is_phys = false;
4923
4924 if (argc > 4) {
4925 const char *phys = Jim_GetString(argv[4], NULL);
4926
4927 if (strcmp(phys, "phys")) {
4928 Jim_SetResultFormatted(interp, "invalid argument '%s', must be 'phys'", phys);
4929 return JIM_ERR;
4930 }
4931
4932 is_phys = true;
4933 }
4934
4935 switch (width_bits) {
4936 case 8:
4937 case 16:
4938 case 32:
4939 case 64:
4940 break;
4941 default:
4942 Jim_SetResultString(interp, "invalid width, must be 8, 16, 32 or 64", -1);
4943 return JIM_ERR;
4944 }
4945
4946 const unsigned int width = width_bits / 8;
4947
4948 if ((addr + (count * width)) < addr) {
4949 Jim_SetResultString(interp, "write_memory: addr + len wraps to zero", -1);
4950 return JIM_ERR;
4951 }
4952
4953 if (count > 65536) {
4954 Jim_SetResultString(interp, "write_memory: too large memory write request, exceeds 64K elements", -1);
4955 return JIM_ERR;
4956 }
4957
4958 struct command_context *cmd_ctx = current_command_context(interp);
4959 assert(cmd_ctx != NULL);
4960 struct target *target = get_current_target(cmd_ctx);
4961
4962 const size_t buffersize = 4096;
4963 uint8_t *buffer = malloc(buffersize);
4964
4965 if (!buffer) {
4966 LOG_ERROR("Failed to allocate memory");
4967 return JIM_ERR;
4968 }
4969
4970 size_t j = 0;
4971
4972 while (count > 0) {
4973 const unsigned int max_chunk_len = buffersize / width;
4974 const size_t chunk_len = MIN(count, max_chunk_len);
4975
4976 for (size_t i = 0; i < chunk_len; i++, j++) {
4977 Jim_Obj *tmp = Jim_ListGetIndex(interp, argv[3], j);
4978 jim_wide element_wide;
4979 Jim_GetWide(interp, tmp, &element_wide);
4980
4981 const uint64_t v = element_wide;
4982
4983 switch (width) {
4984 case 8:
4985 target_buffer_set_u64(target, &buffer[i * width], v);
4986 break;
4987 case 4:
4988 target_buffer_set_u32(target, &buffer[i * width], v);
4989 break;
4990 case 2:
4991 target_buffer_set_u16(target, &buffer[i * width], v);
4992 break;
4993 case 1:
4994 buffer[i] = v & 0x0ff;
4995 break;
4996 }
4997 }
4998
4999 count -= chunk_len;
5000
5001 int retval;
5002
5003 if (is_phys)
5004 retval = target_write_phys_memory(target, addr, width, chunk_len, buffer);
5005 else
5006 retval = target_write_memory(target, addr, width, chunk_len, buffer);
5007
5008 if (retval != ERROR_OK) {
5009 LOG_ERROR("write_memory: write at " TARGET_ADDR_FMT " with width=%u and count=%zu failed",
5010 addr, width_bits, chunk_len);
5011 Jim_SetResultString(interp, "write_memory: failed to write memory", -1);
5012 e = JIM_ERR;
5013 break;
5014 }
5015
5016 addr += chunk_len * width;
5017 }
5018
5019 free(buffer);
5020
5021 return e;
5022 }
5023
5024 /* FIX? should we propagate errors here rather than printing them
5025 * and continuing?
5026 */
5027 void target_handle_event(struct target *target, enum target_event e)
5028 {
5029 struct target_event_action *teap;
5030 int retval;
5031
5032 for (teap = target->event_action; teap; teap = teap->next) {
5033 if (teap->event == e) {
5034 LOG_DEBUG("target(%d): %s (%s) event: %d (%s) action: %s",
5035 target->target_number,
5036 target_name(target),
5037 target_type_name(target),
5038 e,
5039 target_event_name(e),
5040 Jim_GetString(teap->body, NULL));
5041
5042 /* Override current target by the target an event
5043 * is issued from (lot of scripts need it).
5044 * Return back to previous override as soon
5045 * as the handler processing is done */
5046 struct command_context *cmd_ctx = current_command_context(teap->interp);
5047 struct target *saved_target_override = cmd_ctx->current_target_override;
5048 cmd_ctx->current_target_override = target;
5049
5050 retval = Jim_EvalObj(teap->interp, teap->body);
5051
5052 cmd_ctx->current_target_override = saved_target_override;
5053
5054 if (retval == ERROR_COMMAND_CLOSE_CONNECTION)
5055 return;
5056
5057 if (retval == JIM_RETURN)
5058 retval = teap->interp->returnCode;
5059
5060 if (retval != JIM_OK) {
5061 Jim_MakeErrorMessage(teap->interp);
5062 LOG_USER("Error executing event %s on target %s:\n%s",
5063 target_event_name(e),
5064 target_name(target),
5065 Jim_GetString(Jim_GetResult(teap->interp), NULL));
5066 /* clean both error code and stacktrace before return */
5067 Jim_Eval(teap->interp, "error \"\" \"\"");
5068 }
5069 }
5070 }
5071 }
5072
5073 static int target_jim_get_reg(Jim_Interp *interp, int argc,
5074 Jim_Obj * const *argv)
5075 {
5076 bool force = false;
5077
5078 if (argc == 3) {
5079 const char *option = Jim_GetString(argv[1], NULL);
5080
5081 if (!strcmp(option, "-force")) {
5082 argc--;
5083 argv++;
5084 force = true;
5085 } else {
5086 Jim_SetResultFormatted(interp, "invalid option '%s'", option);
5087 return JIM_ERR;
5088 }
5089 }
5090
5091 if (argc != 2) {
5092 Jim_WrongNumArgs(interp, 1, argv, "[-force] list");
5093 return JIM_ERR;
5094 }
5095
5096 const int length = Jim_ListLength(interp, argv[1]);
5097
5098 Jim_Obj *result_dict = Jim_NewDictObj(interp, NULL, 0);
5099
5100 if (!result_dict)
5101 return JIM_ERR;
5102
5103 struct command_context *cmd_ctx = current_command_context(interp);
5104 assert(cmd_ctx != NULL);
5105 const struct target *target = get_current_target(cmd_ctx);
5106
5107 for (int i = 0; i < length; i++) {
5108 Jim_Obj *elem = Jim_ListGetIndex(interp, argv[1], i);
5109
5110 if (!elem)
5111 return JIM_ERR;
5112
5113 const char *reg_name = Jim_String(elem);
5114
5115 struct reg *reg = register_get_by_name(target->reg_cache, reg_name,
5116 false);
5117
5118 if (!reg || !reg->exist) {
5119 Jim_SetResultFormatted(interp, "unknown register '%s'", reg_name);
5120 return JIM_ERR;
5121 }
5122
5123 if (force) {
5124 int retval = reg->type->get(reg);
5125
5126 if (retval != ERROR_OK) {
5127 Jim_SetResultFormatted(interp, "failed to read register '%s'",
5128 reg_name);
5129 return JIM_ERR;
5130 }
5131 }
5132
5133 char *reg_value = buf_to_hex_str(reg->value, reg->size);
5134
5135 if (!reg_value) {
5136 LOG_ERROR("Failed to allocate memory");
5137 return JIM_ERR;
5138 }
5139
5140 char *tmp = alloc_printf("0x%s", reg_value);
5141
5142 free(reg_value);
5143
5144 if (!tmp) {
5145 LOG_ERROR("Failed to allocate memory");
5146 return JIM_ERR;
5147 }
5148
5149 Jim_DictAddElement(interp, result_dict, elem,
5150 Jim_NewStringObj(interp, tmp, -1));
5151
5152 free(tmp);
5153 }
5154
5155 Jim_SetResult(interp, result_dict);
5156
5157 return JIM_OK;
5158 }
5159
5160 static int target_jim_set_reg(Jim_Interp *interp, int argc,
5161 Jim_Obj * const *argv)
5162 {
5163 if (argc != 2) {
5164 Jim_WrongNumArgs(interp, 1, argv, "dict");
5165 return JIM_ERR;
5166 }
5167
5168 int tmp;
5169 #if JIM_VERSION >= 80
5170 Jim_Obj **dict = Jim_DictPairs(interp, argv[1], &tmp);
5171
5172 if (!dict)
5173 return JIM_ERR;
5174 #else
5175 Jim_Obj **dict;
5176 int ret = Jim_DictPairs(interp, argv[1], &dict, &tmp);
5177
5178 if (ret != JIM_OK)
5179 return ret;
5180 #endif
5181
5182 const unsigned int length = tmp;
5183 struct command_context *cmd_ctx = current_command_context(interp);
5184 assert(cmd_ctx);
5185 const struct target *target = get_current_target(cmd_ctx);
5186
5187 for (unsigned int i = 0; i < length; i += 2) {
5188 const char *reg_name = Jim_String(dict[i]);
5189 const char *reg_value = Jim_String(dict[i + 1]);
5190 struct reg *reg = register_get_by_name(target->reg_cache, reg_name,
5191 false);
5192
5193 if (!reg || !reg->exist) {
5194 Jim_SetResultFormatted(interp, "unknown register '%s'", reg_name);
5195 return JIM_ERR;
5196 }
5197
5198 uint8_t *buf = malloc(DIV_ROUND_UP(reg->size, 8));
5199
5200 if (!buf) {
5201 LOG_ERROR("Failed to allocate memory");
5202 return JIM_ERR;
5203 }
5204
5205 str_to_buf(reg_value, strlen(reg_value), buf, reg->size, 0);
5206 int retval = reg->type->set(reg, buf);
5207 free(buf);
5208
5209 if (retval != ERROR_OK) {
5210 Jim_SetResultFormatted(interp, "failed to set '%s' to register '%s'",
5211 reg_value, reg_name);
5212 return JIM_ERR;
5213 }
5214 }
5215
5216 return JIM_OK;
5217 }
5218
5219 /**
5220 * Returns true only if the target has a handler for the specified event.
5221 */
5222 bool target_has_event_action(struct target *target, enum target_event event)
5223 {
5224 struct target_event_action *teap;
5225
5226 for (teap = target->event_action; teap; teap = teap->next) {
5227 if (teap->event == event)
5228 return true;
5229 }
5230 return false;
5231 }
5232
5233 enum target_cfg_param {
5234 TCFG_TYPE,
5235 TCFG_EVENT,
5236 TCFG_WORK_AREA_VIRT,
5237 TCFG_WORK_AREA_PHYS,
5238 TCFG_WORK_AREA_SIZE,
5239 TCFG_WORK_AREA_BACKUP,
5240 TCFG_ENDIAN,
5241 TCFG_COREID,
5242 TCFG_CHAIN_POSITION,
5243 TCFG_DBGBASE,
5244 TCFG_RTOS,
5245 TCFG_DEFER_EXAMINE,
5246 TCFG_GDB_PORT,
5247 TCFG_GDB_MAX_CONNECTIONS,
5248 };
5249
5250 static struct jim_nvp nvp_config_opts[] = {
5251 { .name = "-type", .value = TCFG_TYPE },
5252 { .name = "-event", .value = TCFG_EVENT },
5253 { .name = "-work-area-virt", .value = TCFG_WORK_AREA_VIRT },
5254 { .name = "-work-area-phys", .value = TCFG_WORK_AREA_PHYS },
5255 { .name = "-work-area-size", .value = TCFG_WORK_AREA_SIZE },
5256 { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
5257 { .name = "-endian", .value = TCFG_ENDIAN },
5258 { .name = "-coreid", .value = TCFG_COREID },
5259 { .name = "-chain-position", .value = TCFG_CHAIN_POSITION },
5260 { .name = "-dbgbase", .value = TCFG_DBGBASE },
5261 { .name = "-rtos", .value = TCFG_RTOS },
5262 { .name = "-defer-examine", .value = TCFG_DEFER_EXAMINE },
5263 { .name = "-gdb-port", .value = TCFG_GDB_PORT },
5264 { .name = "-gdb-max-connections", .value = TCFG_GDB_MAX_CONNECTIONS },
5265 { .name = NULL, .value = -1 }
5266 };
5267
5268 static int target_configure(struct jim_getopt_info *goi, struct target *target)
5269 {
5270 struct jim_nvp *n;
5271 Jim_Obj *o;
5272 jim_wide w;
5273 int e;
5274
5275 /* parse config or cget options ... */
5276 while (goi->argc > 0) {
5277 Jim_SetEmptyResult(goi->interp);
5278 /* jim_getopt_debug(goi); */
5279
5280 if (target->type->target_jim_configure) {
5281 /* target defines a configure function */
5282 /* target gets first dibs on parameters */
5283 e = (*(target->type->target_jim_configure))(target, goi);
5284 if (e == JIM_OK) {
5285 /* more? */
5286 continue;
5287 }
5288 if (e == JIM_ERR) {
5289 /* An error */
5290 return e;
5291 }
5292 /* otherwise we 'continue' below */
5293 }
5294 e = jim_getopt_nvp(goi, nvp_config_opts, &n);
5295 if (e != JIM_OK) {
5296 jim_getopt_nvp_unknown(goi, nvp_config_opts, 0);
5297 return e;
5298 }
5299 switch (n->value) {
5300 case TCFG_TYPE:
5301 /* not settable */
5302 if (goi->isconfigure) {
5303 Jim_SetResultFormatted(goi->interp,
5304 "not settable: %s", n->name);
5305 return JIM_ERR;
5306 } else {
5307 no_params:
5308 if (goi->argc != 0) {
5309 Jim_WrongNumArgs(goi->interp,
5310 goi->argc, goi->argv,
5311 "NO PARAMS");
5312 return JIM_ERR;
5313 }
5314 }
5315 Jim_SetResultString(goi->interp,
5316 target_type_name(target), -1);
5317 /* loop for more */
5318 break;
5319 case TCFG_EVENT:
5320 if (goi->argc == 0) {
5321 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
5322 return JIM_ERR;
5323 }
5324
5325 e = jim_getopt_nvp(goi, nvp_target_event, &n);
5326 if (e != JIM_OK) {
5327 jim_getopt_nvp_unknown(goi, nvp_target_event, 1);
5328 return e;
5329 }
5330
5331 if (goi->isconfigure) {
5332 if (goi->argc != 1) {
5333 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
5334 return JIM_ERR;
5335 }
5336 } else {
5337 if (goi->argc != 0) {
5338 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
5339 return JIM_ERR;
5340 }
5341 }
5342
5343 {
5344 struct target_event_action *teap;
5345
5346 teap = target->event_action;
5347 /* replace existing? */
5348 while (teap) {
5349 if (teap->event == (enum target_event)n->value)
5350 break;
5351 teap = teap->next;
5352 }
5353
5354 if (goi->isconfigure) {
5355 /* START_DEPRECATED_TPIU */
5356 if (n->value == TARGET_EVENT_TRACE_CONFIG)
5357 LOG_INFO("DEPRECATED target event %s; use TPIU events {pre,post}-{enable,disable}", n->name);
5358 /* END_DEPRECATED_TPIU */
5359
5360 bool replace = true;
5361 if (!teap) {
5362 /* create new */
5363 teap = calloc(1, sizeof(*teap));
5364 replace = false;
5365 }
5366 teap->event = n->value;
5367 teap->interp = goi->interp;
5368 jim_getopt_obj(goi, &o);
5369 if (teap->body)
5370 Jim_DecrRefCount(teap->interp, teap->body);
5371 teap->body = Jim_DuplicateObj(goi->interp, o);
5372 /*
5373 * FIXME:
5374 * Tcl/TK - "tk events" have a nice feature.
5375 * See the "BIND" command.
5376 * We should support that here.
5377 * You can specify %X and %Y in the event code.
5378 * The idea is: %T - target name.
5379 * The idea is: %N - target number
5380 * The idea is: %E - event name.
5381 */
5382 Jim_IncrRefCount(teap->body);
5383
5384 if (!replace) {
5385 /* add to head of event list */
5386 teap->next = target->event_action;
5387 target->event_action = teap;
5388 }
5389 Jim_SetEmptyResult(goi->interp);
5390 } else {
5391 /* get */
5392 if (!teap)
5393 Jim_SetEmptyResult(goi->interp);
5394 else
5395 Jim_SetResult(goi->interp, Jim_DuplicateObj(goi->interp, teap->body));
5396 }
5397 }
5398 /* loop for more */
5399 break;
5400
5401 case TCFG_WORK_AREA_VIRT:
5402 if (goi->isconfigure) {
5403 target_free_all_working_areas(target);
5404 e = jim_getopt_wide(goi, &w);
5405 if (e != JIM_OK)
5406 return e;
5407 target->working_area_virt = w;
5408 target->working_area_virt_spec = true;
5409 } else {
5410 if (goi->argc != 0)
5411 goto no_params;
5412 }
5413 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->working_area_virt));
5414 /* loop for more */
5415 break;
5416
5417 case TCFG_WORK_AREA_PHYS:
5418 if (goi->isconfigure) {
5419 target_free_all_working_areas(target);
5420 e = jim_getopt_wide(goi, &w);
5421 if (e != JIM_OK)
5422 return e;
5423 target->working_area_phys = w;
5424 target->working_area_phys_spec = true;
5425 } else {
5426 if (goi->argc != 0)
5427 goto no_params;
5428 }
5429 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->working_area_phys));
5430 /* loop for more */
5431 break;
5432
5433 case TCFG_WORK_AREA_SIZE:
5434 if (goi->isconfigure) {
5435 target_free_all_working_areas(target);
5436 e = jim_getopt_wide(goi, &w);
5437 if (e != JIM_OK)
5438 return e;
5439 target->working_area_size = w;
5440 } else {
5441 if (goi->argc != 0)
5442 goto no_params;
5443 }
5444 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->working_area_size));
5445 /* loop for more */
5446 break;
5447
5448 case TCFG_WORK_AREA_BACKUP:
5449 if (goi->isconfigure) {
5450 target_free_all_working_areas(target);
5451 e = jim_getopt_wide(goi, &w);
5452 if (e != JIM_OK)
5453 return e;
5454 /* make this exactly 1 or 0 */
5455 target->backup_working_area = (!!w);
5456 } else {
5457 if (goi->argc != 0)
5458 goto no_params;
5459 }
5460 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->backup_working_area));
5461 /* loop for more e*/
5462 break;
5463
5464
5465 case TCFG_ENDIAN:
5466 if (goi->isconfigure) {
5467 e = jim_getopt_nvp(goi, nvp_target_endian, &n);
5468 if (e != JIM_OK) {
5469 jim_getopt_nvp_unknown(goi, nvp_target_endian, 1);
5470 return e;
5471 }
5472 target->endianness = n->value;
5473 } else {
5474 if (goi->argc != 0)
5475 goto no_params;
5476 }
5477 n = jim_nvp_value2name_simple(nvp_target_endian, target->endianness);
5478 if (!n->name) {
5479 target->endianness = TARGET_LITTLE_ENDIAN;
5480 n = jim_nvp_value2name_simple(nvp_target_endian, target->endianness);
5481 }
5482 Jim_SetResultString(goi->interp, n->name, -1);
5483 /* loop for more */
5484 break;
5485
5486 case TCFG_COREID:
5487 if (goi->isconfigure) {
5488 e = jim_getopt_wide(goi, &w);
5489 if (e != JIM_OK)
5490 return e;
5491 target->coreid = (int32_t)w;
5492 } else {
5493 if (goi->argc != 0)
5494 goto no_params;
5495 }
5496 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->coreid));
5497 /* loop for more */
5498 break;
5499
5500 case TCFG_CHAIN_POSITION:
5501 if (goi->isconfigure) {
5502 Jim_Obj *o_t;
5503 struct jtag_tap *tap;
5504
5505 if (target->has_dap) {
5506 Jim_SetResultString(goi->interp,
5507 "target requires -dap parameter instead of -chain-position!", -1);
5508 return JIM_ERR;
5509 }
5510
5511 target_free_all_working_areas(target);
5512 e = jim_getopt_obj(goi, &o_t);
5513 if (e != JIM_OK)
5514 return e;
5515 tap = jtag_tap_by_jim_obj(goi->interp, o_t);
5516 if (!tap)
5517 return JIM_ERR;
5518 target->tap = tap;
5519 target->tap_configured = true;
5520 } else {
5521 if (goi->argc != 0)
5522 goto no_params;
5523 }
5524 Jim_SetResultString(goi->interp, target->tap->dotted_name, -1);
5525 /* loop for more e*/
5526 break;
5527 case TCFG_DBGBASE:
5528 if (goi->isconfigure) {
5529 e = jim_getopt_wide(goi, &w);
5530 if (e != JIM_OK)
5531 return e;
5532 target->dbgbase = (uint32_t)w;
5533 target->dbgbase_set = true;
5534 } else {
5535 if (goi->argc != 0)
5536 goto no_params;
5537 }
5538 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->dbgbase));
5539 /* loop for more */
5540 break;
5541 case TCFG_RTOS:
5542 /* RTOS */
5543 {
5544 int result = rtos_create(goi, target);
5545 if (result != JIM_OK)
5546 return result;
5547 }
5548 /* loop for more */
5549 break;
5550
5551 case TCFG_DEFER_EXAMINE:
5552 /* DEFER_EXAMINE */
5553 target->defer_examine = true;
5554 /* loop for more */
5555 break;
5556
5557 case TCFG_GDB_PORT:
5558 if (goi->isconfigure) {
5559 struct command_context *cmd_ctx = current_command_context(goi->interp);
5560 if (cmd_ctx->mode != COMMAND_CONFIG) {
5561 Jim_SetResultString(goi->interp, "-gdb-port must be configured before 'init'", -1);
5562 return JIM_ERR;
5563 }
5564
5565 const char *s;
5566 e = jim_getopt_string(goi, &s, NULL);
5567 if (e != JIM_OK)
5568 return e;
5569 free(target->gdb_port_override);
5570 target->gdb_port_override = strdup(s);
5571 } else {
5572 if (goi->argc != 0)
5573 goto no_params;
5574 }
5575 Jim_SetResultString(goi->interp, target->gdb_port_override ? target->gdb_port_override : "undefined", -1);
5576 /* loop for more */
5577 break;
5578
5579 case TCFG_GDB_MAX_CONNECTIONS:
5580 if (goi->isconfigure) {
5581 struct command_context *cmd_ctx = current_command_context(goi->interp);
5582 if (cmd_ctx->mode != COMMAND_CONFIG) {
5583 Jim_SetResultString(goi->interp, "-gdb-max-connections must be configured before 'init'", -1);
5584 return JIM_ERR;
5585 }
5586
5587 e = jim_getopt_wide(goi, &w);
5588 if (e != JIM_OK)
5589 return e;
5590 target->gdb_max_connections = (w < 0) ? CONNECTION_LIMIT_UNLIMITED : (int)w;
5591 } else {
5592 if (goi->argc != 0)
5593 goto no_params;
5594 }
5595 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->gdb_max_connections));
5596 break;
5597 }
5598 } /* while (goi->argc) */
5599
5600
5601 /* done - we return */
5602 return JIM_OK;
5603 }
5604
5605 static int jim_target_configure(Jim_Interp *interp, int argc, Jim_Obj * const *argv)
5606 {
5607 struct command *c = jim_to_command(interp);
5608 struct jim_getopt_info goi;
5609
5610 jim_getopt_setup(&goi, interp, argc - 1, argv + 1);
5611 goi.isconfigure = !strcmp(c->name, "configure");
5612 if (goi.argc < 1) {
5613 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv,
5614 "missing: -option ...");
5615 return JIM_ERR;
5616 }
5617 struct command_context *cmd_ctx = current_command_context(interp);
5618 assert(cmd_ctx);
5619 struct target *target = get_current_target(cmd_ctx);
5620 return target_configure(&goi, target);
5621 }
5622
5623 static int jim_target_mem2array(Jim_Interp *interp,
5624 int argc, Jim_Obj *const *argv)
5625 {
5626 struct command_context *cmd_ctx = current_command_context(interp);
5627 assert(cmd_ctx);
5628 struct target *target = get_current_target(cmd_ctx);
5629 return target_mem2array(interp, target, argc - 1, argv + 1);
5630 }
5631
5632 static int jim_target_array2mem(Jim_Interp *interp,
5633 int argc, Jim_Obj *const *argv)
5634 {
5635 struct command_context *cmd_ctx = current_command_context(interp);
5636 assert(cmd_ctx);
5637 struct target *target = get_current_target(cmd_ctx);
5638 return target_array2mem(interp, target, argc - 1, argv + 1);
5639 }
5640
5641 COMMAND_HANDLER(handle_target_examine)
5642 {
5643 bool allow_defer = false;
5644
5645 if (CMD_ARGC > 1)
5646 return ERROR_COMMAND_SYNTAX_ERROR;
5647
5648 if (CMD_ARGC == 1) {
5649 if (strcmp(CMD_ARGV[0], "allow-defer"))
5650 return ERROR_COMMAND_ARGUMENT_INVALID;
5651 allow_defer = true;
5652 }
5653
5654 struct target *target = get_current_target(CMD_CTX);
5655 if (!target->tap->enabled) {
5656 command_print(CMD, "[TAP is disabled]");
5657 return ERROR_FAIL;
5658 }
5659
5660 if (allow_defer && target->defer_examine) {
5661 LOG_INFO("Deferring arp_examine of %s", target_name(target));
5662 LOG_INFO("Use arp_examine command to examine it manually!");
5663 return ERROR_OK;
5664 }
5665
5666 int retval = target->type->examine(target);
5667 if (retval != ERROR_OK) {
5668 target_reset_examined(target);
5669 return retval;
5670 }
5671
5672 target_set_examined(target);
5673
5674 return ERROR_OK;
5675 }
5676
5677 COMMAND_HANDLER(handle_target_was_examined)
5678 {
5679 if (CMD_ARGC != 0)
5680 return ERROR_COMMAND_SYNTAX_ERROR;
5681
5682 struct target *target = get_current_target(CMD_CTX);
5683
5684 command_print(CMD, "%d", target_was_examined(target) ? 1 : 0);
5685
5686 return ERROR_OK;
5687 }
5688
5689 COMMAND_HANDLER(handle_target_examine_deferred)
5690 {
5691 if (CMD_ARGC != 0)
5692 return ERROR_COMMAND_SYNTAX_ERROR;
5693
5694 struct target *target = get_current_target(CMD_CTX);
5695
5696 command_print(CMD, "%d", target->defer_examine ? 1 : 0);
5697
5698 return ERROR_OK;
5699 }
5700
5701 COMMAND_HANDLER(handle_target_halt_gdb)
5702 {
5703 if (CMD_ARGC != 0)
5704 return ERROR_COMMAND_SYNTAX_ERROR;
5705
5706 struct target *target = get_current_target(CMD_CTX);
5707
5708 return target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
5709 }
5710
5711 COMMAND_HANDLER(handle_target_poll)
5712 {
5713 if (CMD_ARGC != 0)
5714 return ERROR_COMMAND_SYNTAX_ERROR;
5715
5716 struct target *target = get_current_target(CMD_CTX);
5717 if (!target->tap->enabled) {
5718 command_print(CMD, "[TAP is disabled]");
5719 return ERROR_FAIL;
5720 }
5721
5722 if (!(target_was_examined(target)))
5723 return ERROR_TARGET_NOT_EXAMINED;
5724
5725 return target->type->poll(target);
5726 }
5727
5728 COMMAND_HANDLER(handle_target_reset)
5729 {
5730 if (CMD_ARGC != 2)
5731 return ERROR_COMMAND_SYNTAX_ERROR;
5732
5733 const struct nvp *n = nvp_name2value(nvp_assert, CMD_ARGV[0]);
5734 if (!n->name) {
5735 nvp_unknown_command_print(CMD, nvp_assert, NULL, CMD_ARGV[0]);
5736 return ERROR_COMMAND_ARGUMENT_INVALID;
5737 }
5738
5739 /* the halt or not param */
5740 int a;
5741 COMMAND_PARSE_NUMBER(int, CMD_ARGV[1], a);
5742
5743 struct target *target = get_current_target(CMD_CTX);
5744 if (!target->tap->enabled) {
5745 command_print(CMD, "[TAP is disabled]");
5746 return ERROR_FAIL;
5747 }
5748
5749 if (!target->type->assert_reset || !target->type->deassert_reset) {
5750 command_print(CMD, "No target-specific reset for %s", target_name(target));
5751 return ERROR_FAIL;
5752 }
5753
5754 if (target->defer_examine)
5755 target_reset_examined(target);
5756
5757 /* determine if we should halt or not. */
5758 target->reset_halt = (a != 0);
5759 /* When this happens - all workareas are invalid. */
5760 target_free_all_working_areas_restore(target, 0);
5761
5762 /* do the assert */
5763 if (n->value == NVP_ASSERT)
5764 return target->type->assert_reset(target);
5765 return target->type->deassert_reset(target);
5766 }
5767
5768 COMMAND_HANDLER(handle_target_halt)
5769 {
5770 if (CMD_ARGC != 0)
5771 return ERROR_COMMAND_SYNTAX_ERROR;
5772
5773 struct target *target = get_current_target(CMD_CTX);
5774 if (!target->tap->enabled) {
5775 command_print(CMD, "[TAP is disabled]");
5776 return ERROR_FAIL;
5777 }
5778
5779 return target->type->halt(target);
5780 }
5781
5782 COMMAND_HANDLER(handle_target_wait_state)
5783 {
5784 if (CMD_ARGC != 2)
5785 return ERROR_COMMAND_SYNTAX_ERROR;
5786
5787 const struct nvp *n = nvp_name2value(nvp_target_state, CMD_ARGV[0]);
5788 if (!n->name) {
5789 nvp_unknown_command_print(CMD, nvp_target_state, NULL, CMD_ARGV[0]);
5790 return ERROR_COMMAND_ARGUMENT_INVALID;
5791 }
5792
5793 unsigned int a;
5794 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[1], a);
5795
5796 struct target *target = get_current_target(CMD_CTX);
5797 if (!target->tap->enabled) {
5798 command_print(CMD, "[TAP is disabled]");
5799 return ERROR_FAIL;
5800 }
5801
5802 int retval = target_wait_state(target, n->value, a);
5803 if (retval != ERROR_OK) {
5804 command_print(CMD,
5805 "target: %s wait %s fails (%d) %s",
5806 target_name(target), n->name,
5807 retval, target_strerror_safe(retval));
5808 return retval;
5809 }
5810 return ERROR_OK;
5811 }
5812 /* List for human, Events defined for this target.
5813 * scripts/programs should use 'name cget -event NAME'
5814 */
5815 COMMAND_HANDLER(handle_target_event_list)
5816 {
5817 struct target *target = get_current_target(CMD_CTX);
5818 struct target_event_action *teap = target->event_action;
5819
5820 command_print(CMD, "Event actions for target (%d) %s\n",
5821 target->target_number,
5822 target_name(target));
5823 command_print(CMD, "%-25s | Body", "Event");
5824 command_print(CMD, "------------------------- | "
5825 "----------------------------------------");
5826 while (teap) {
5827 command_print(CMD, "%-25s | %s",
5828 target_event_name(teap->event),
5829 Jim_GetString(teap->body, NULL));
5830 teap = teap->next;
5831 }
5832 command_print(CMD, "***END***");
5833 return ERROR_OK;
5834 }
5835
5836 COMMAND_HANDLER(handle_target_current_state)
5837 {
5838 if (CMD_ARGC != 0)
5839 return ERROR_COMMAND_SYNTAX_ERROR;
5840
5841 struct target *target = get_current_target(CMD_CTX);
5842
5843 command_print(CMD, "%s", target_state_name(target));
5844
5845 return ERROR_OK;
5846 }
5847
5848 static int jim_target_invoke_event(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
5849 {
5850 struct jim_getopt_info goi;
5851 jim_getopt_setup(&goi, interp, argc - 1, argv + 1);
5852 if (goi.argc != 1) {
5853 const char *cmd_name = Jim_GetString(argv[0], NULL);
5854 Jim_SetResultFormatted(goi.interp, "%s <eventname>", cmd_name);
5855 return JIM_ERR;
5856 }
5857 struct jim_nvp *n;
5858 int e = jim_getopt_nvp(&goi, nvp_target_event, &n);
5859 if (e != JIM_OK) {
5860 jim_getopt_nvp_unknown(&goi, nvp_target_event, 1);
5861 return e;
5862 }
5863 struct command_context *cmd_ctx = current_command_context(interp);
5864 assert(cmd_ctx);
5865 struct target *target = get_current_target(cmd_ctx);
5866 target_handle_event(target, n->value);
5867 return JIM_OK;
5868 }
5869
5870 static const struct command_registration target_instance_command_handlers[] = {
5871 {
5872 .name = "configure",
5873 .mode = COMMAND_ANY,
5874 .jim_handler = jim_target_configure,
5875 .help = "configure a new target for use",
5876 .usage = "[target_attribute ...]",
5877 },
5878 {
5879 .name = "cget",
5880 .mode = COMMAND_ANY,
5881 .jim_handler = jim_target_configure,
5882 .help = "returns the specified target attribute",
5883 .usage = "target_attribute",
5884 },
5885 {
5886 .name = "mwd",
5887 .handler = handle_mw_command,
5888 .mode = COMMAND_EXEC,
5889 .help = "Write 64-bit word(s) to target memory",
5890 .usage = "address data [count]",
5891 },
5892 {
5893 .name = "mww",
5894 .handler = handle_mw_command,
5895 .mode = COMMAND_EXEC,
5896 .help = "Write 32-bit word(s) to target memory",
5897 .usage = "address data [count]",
5898 },
5899 {
5900 .name = "mwh",
5901 .handler = handle_mw_command,
5902 .mode = COMMAND_EXEC,
5903 .help = "Write 16-bit half-word(s) to target memory",
5904 .usage = "address data [count]",
5905 },
5906 {
5907 .name = "mwb",
5908 .handler = handle_mw_command,
5909 .mode = COMMAND_EXEC,
5910 .help = "Write byte(s) to target memory",
5911 .usage = "address data [count]",
5912 },
5913 {
5914 .name = "mdd",
5915 .handler = handle_md_command,
5916 .mode = COMMAND_EXEC,
5917 .help = "Display target memory as 64-bit words",
5918 .usage = "address [count]",
5919 },
5920 {
5921 .name = "mdw",
5922 .handler = handle_md_command,
5923 .mode = COMMAND_EXEC,
5924 .help = "Display target memory as 32-bit words",
5925 .usage = "address [count]",
5926 },
5927 {
5928 .name = "mdh",
5929 .handler = handle_md_command,
5930 .mode = COMMAND_EXEC,
5931 .help = "Display target memory as 16-bit half-words",
5932 .usage = "address [count]",
5933 },
5934 {
5935 .name = "mdb",
5936 .handler = handle_md_command,
5937 .mode = COMMAND_EXEC,
5938 .help = "Display target memory as 8-bit bytes",
5939 .usage = "address [count]",
5940 },
5941 {
5942 .name = "array2mem",
5943 .mode = COMMAND_EXEC,
5944 .jim_handler = jim_target_array2mem,
5945 .help = "Writes Tcl array of 8/16/32 bit numbers "
5946 "to target memory",
5947 .usage = "arrayname bitwidth address count",
5948 },
5949 {
5950 .name = "mem2array",
5951 .mode = COMMAND_EXEC,
5952 .jim_handler = jim_target_mem2array,
5953 .help = "Loads Tcl array of 8/16/32 bit numbers "
5954 "from target memory",
5955 .usage = "arrayname bitwidth address count",
5956 },
5957 {
5958 .name = "get_reg",
5959 .mode = COMMAND_EXEC,
5960 .jim_handler = target_jim_get_reg,
5961 .help = "Get register values from the target",
5962 .usage = "list",
5963 },
5964 {
5965 .name = "set_reg",
5966 .mode = COMMAND_EXEC,
5967 .jim_handler = target_jim_set_reg,
5968 .help = "Set target register values",
5969 .usage = "dict",
5970 },
5971 {
5972 .name = "read_memory",
5973 .mode = COMMAND_EXEC,
5974 .handler = handle_target_read_memory,
5975 .help = "Read Tcl list of 8/16/32/64 bit numbers from target memory",
5976 .usage = "address width count ['phys']",
5977 },
5978 {
5979 .name = "write_memory",
5980 .mode = COMMAND_EXEC,
5981 .jim_handler = target_jim_write_memory,
5982 .help = "Write Tcl list of 8/16/32/64 bit numbers to target memory",
5983 .usage = "address width data ['phys']",
5984 },
5985 {
5986 .name = "eventlist",
5987 .handler = handle_target_event_list,
5988 .mode = COMMAND_EXEC,
5989 .help = "displays a table of events defined for this target",
5990 .usage = "",
5991 },
5992 {
5993 .name = "curstate",
5994 .mode = COMMAND_EXEC,
5995 .handler = handle_target_current_state,
5996 .help = "displays the current state of this target",
5997 .usage = "",
5998 },
5999 {
6000 .name = "arp_examine",
6001 .mode = COMMAND_EXEC,
6002 .handler = handle_target_examine,
6003 .help = "used internally for reset processing",
6004 .usage = "['allow-defer']",
6005 },
6006 {
6007 .name = "was_examined",
6008 .mode = COMMAND_EXEC,
6009 .handler = handle_target_was_examined,
6010 .help = "used internally for reset processing",
6011 .usage = "",
6012 },
6013 {
6014 .name = "examine_deferred",
6015 .mode = COMMAND_EXEC,
6016 .handler = handle_target_examine_deferred,
6017 .help = "used internally for reset processing",
6018 .usage = "",
6019 },
6020 {
6021 .name = "arp_halt_gdb",
6022 .mode = COMMAND_EXEC,
6023 .handler = handle_target_halt_gdb,
6024 .help = "used internally for reset processing to halt GDB",
6025 .usage = "",
6026 },
6027 {
6028 .name = "arp_poll",
6029 .mode = COMMAND_EXEC,
6030 .handler = handle_target_poll,
6031 .help = "used internally for reset processing",
6032 .usage = "",
6033 },
6034 {
6035 .name = "arp_reset",
6036 .mode = COMMAND_EXEC,
6037 .handler = handle_target_reset,
6038 .help = "used internally for reset processing",
6039 .usage = "'assert'|'deassert' halt",
6040 },
6041 {
6042 .name = "arp_halt",
6043 .mode = COMMAND_EXEC,
6044 .handler = handle_target_halt,
6045 .help = "used internally for reset processing",
6046 .usage = "",
6047 },
6048 {
6049 .name = "arp_waitstate",
6050 .mode = COMMAND_EXEC,
6051 .handler = handle_target_wait_state,
6052 .help = "used internally for reset processing",
6053 .usage = "statename timeoutmsecs",
6054 },
6055 {
6056 .name = "invoke-event",
6057 .mode = COMMAND_EXEC,
6058 .jim_handler = jim_target_invoke_event,
6059 .help = "invoke handler for specified event",
6060 .usage = "event_name",
6061 },
6062 COMMAND_REGISTRATION_DONE
6063 };
6064
6065 static int target_create(struct jim_getopt_info *goi)
6066 {
6067 Jim_Obj *new_cmd;
6068 Jim_Cmd *cmd;
6069 const char *cp;
6070 int e;
6071 int x;
6072 struct target *target;
6073 struct command_context *cmd_ctx;
6074
6075 cmd_ctx = current_command_context(goi->interp);
6076 assert(cmd_ctx);
6077
6078 if (goi->argc < 3) {
6079 Jim_WrongNumArgs(goi->interp, 1, goi->argv, "?name? ?type? ..options...");
6080 return JIM_ERR;
6081 }
6082
6083 /* COMMAND */
6084 jim_getopt_obj(goi, &new_cmd);
6085 /* does this command exist? */
6086 cmd = Jim_GetCommand(goi->interp, new_cmd, JIM_NONE);
6087 if (cmd) {
6088 cp = Jim_GetString(new_cmd, NULL);
6089 Jim_SetResultFormatted(goi->interp, "Command/target: %s Exists", cp);
6090 return JIM_ERR;
6091 }
6092
6093 /* TYPE */
6094 e = jim_getopt_string(goi, &cp, NULL);
6095 if (e != JIM_OK)
6096 return e;
6097 struct transport *tr = get_current_transport();
6098 if (tr->override_target) {
6099 e = tr->override_target(&cp);
6100 if (e != ERROR_OK) {
6101 LOG_ERROR("The selected transport doesn't support this target");
6102 return JIM_ERR;
6103 }
6104 LOG_INFO("The selected transport took over low-level target control. The results might differ compared to plain JTAG/SWD");
6105 }
6106 /* now does target type exist */
6107 for (x = 0 ; target_types[x] ; x++) {
6108 if (strcmp(cp, target_types[x]->name) == 0) {
6109 /* found */
6110 break;
6111 }
6112 }
6113 if (!target_types[x]) {
6114 Jim_SetResultFormatted(goi->interp, "Unknown target type %s, try one of ", cp);
6115 for (x = 0 ; target_types[x] ; x++) {
6116 if (target_types[x + 1]) {
6117 Jim_AppendStrings(goi->interp,
6118 Jim_GetResult(goi->interp),
6119 target_types[x]->name,
6120 ", ", NULL);
6121 } else {
6122 Jim_AppendStrings(goi->interp,
6123 Jim_GetResult(goi->interp),
6124 " or ",
6125 target_types[x]->name, NULL);
6126 }
6127 }
6128 return JIM_ERR;
6129 }
6130
6131 /* Create it */
6132 target = calloc(1, sizeof(struct target));
6133 if (!target) {
6134 LOG_ERROR("Out of memory");
6135 return JIM_ERR;
6136 }
6137
6138 /* set empty smp cluster */
6139 target->smp_targets = &empty_smp_targets;
6140
6141 /* set target number */
6142 target->target_number = new_target_number();
6143
6144 /* allocate memory for each unique target type */
6145 target->type = malloc(sizeof(struct target_type));
6146 if (!target->type) {
6147 LOG_ERROR("Out of memory");
6148 free(target);
6149 return JIM_ERR;
6150 }
6151
6152 memcpy(target->type, target_types[x], sizeof(struct target_type));
6153
6154 /* default to first core, override with -coreid */
6155 target->coreid = 0;
6156
6157 target->working_area = 0x0;
6158 target->working_area_size = 0x0;
6159 target->working_areas = NULL;
6160 target->backup_working_area = 0;
6161
6162 target->state = TARGET_UNKNOWN;
6163 target->debug_reason = DBG_REASON_UNDEFINED;
6164 target->reg_cache = NULL;
6165 target->breakpoints = NULL;
6166 target->watchpoints = NULL;
6167 target->next = NULL;
6168 target->arch_info = NULL;
6169
6170 target->verbose_halt_msg = true;
6171
6172 target->halt_issued = false;
6173
6174 /* initialize trace information */
6175 target->trace_info = calloc(1, sizeof(struct trace));
6176 if (!target->trace_info) {
6177 LOG_ERROR("Out of memory");
6178 free(target->type);
6179 free(target);
6180 return JIM_ERR;
6181 }
6182
6183 target->dbgmsg = NULL;
6184 target->dbg_msg_enabled = 0;
6185
6186 target->endianness = TARGET_ENDIAN_UNKNOWN;
6187
6188 target->rtos = NULL;
6189 target->rtos_auto_detect = false;
6190
6191 target->gdb_port_override = NULL;
6192 target->gdb_max_connections = 1;
6193
6194 /* Do the rest as "configure" options */
6195 goi->isconfigure = 1;
6196 e = target_configure(goi, target);
6197
6198 if (e == JIM_OK) {
6199 if (target->has_dap) {
6200 if (!target->dap_configured) {
6201 Jim_SetResultString(goi->interp, "-dap ?name? required when creating target", -1);
6202 e = JIM_ERR;
6203 }
6204 } else {
6205 if (!target->tap_configured) {
6206 Jim_SetResultString(goi->interp, "-chain-position ?name? required when creating target", -1);
6207 e = JIM_ERR;
6208 }
6209 }
6210 /* tap must be set after target was configured */
6211 if (!target->tap)
6212 e = JIM_ERR;
6213 }
6214
6215 if (e != JIM_OK) {
6216 rtos_destroy(target);
6217 free(target->gdb_port_override);
6218 free(target->trace_info);
6219 free(target->type);
6220 free(target);
6221 return e;
6222 }
6223
6224 if (target->endianness == TARGET_ENDIAN_UNKNOWN) {
6225 /* default endian to little if not specified */
6226 target->endianness = TARGET_LITTLE_ENDIAN;
6227 }
6228
6229 cp = Jim_GetString(new_cmd, NULL);
6230 target->cmd_name = strdup(cp);
6231 if (!target->cmd_name) {
6232 LOG_ERROR("Out of memory");
6233 rtos_destroy(target);
6234 free(target->gdb_port_override);
6235 free(target->trace_info);
6236 free(target->type);
6237 free(target);
6238 return JIM_ERR;
6239 }
6240
6241 if (target->type->target_create) {
6242 e = (*(target->type->target_create))(target, goi->interp);
6243 if (e != ERROR_OK) {
6244 LOG_DEBUG("target_create failed");
6245 free(target->cmd_name);
6246 rtos_destroy(target);
6247 free(target->gdb_port_override);
6248 free(target->trace_info);
6249 free(target->type);
6250 free(target);
6251 return JIM_ERR;
6252 }
6253 }
6254
6255 /* create the target specific commands */
6256 if (target->type->commands) {
6257 e = register_commands(cmd_ctx, NULL, target->type->commands);
6258 if (e != ERROR_OK)
6259 LOG_ERROR("unable to register '%s' commands", cp);
6260 }
6261
6262 /* now - create the new target name command */
6263 const struct command_registration target_subcommands[] = {
6264 {
6265 .chain = target_instance_command_handlers,
6266 },
6267 {
6268 .chain = target->type->commands,
6269 },
6270 COMMAND_REGISTRATION_DONE
6271 };
6272 const struct command_registration target_commands[] = {
6273 {
6274 .name = cp,
6275 .mode = COMMAND_ANY,
6276 .help = "target command group",
6277 .usage = "",
6278 .chain = target_subcommands,
6279 },
6280 COMMAND_REGISTRATION_DONE
6281 };
6282 e = register_commands_override_target(cmd_ctx, NULL, target_commands, target);
6283 if (e != ERROR_OK) {
6284 if (target->type->deinit_target)
6285 target->type->deinit_target(target);
6286 free(target->cmd_name);
6287 rtos_destroy(target);
6288 free(target->gdb_port_override);
6289 free(target->trace_info);
6290 free(target->type);
6291 free(target);
6292 return JIM_ERR;
6293 }
6294
6295 /* append to end of list */
6296 append_to_list_all_targets(target);
6297
6298 cmd_ctx->current_target = target;
6299 return JIM_OK;
6300 }
6301
6302 COMMAND_HANDLER(handle_target_current)
6303 {
6304 if (CMD_ARGC != 0)
6305 return ERROR_COMMAND_SYNTAX_ERROR;
6306
6307 struct target *target = get_current_target_or_null(CMD_CTX);
6308 if (target)
6309 command_print(CMD, "%s", target_name(target));
6310
6311 return ERROR_OK;
6312 }
6313
6314 COMMAND_HANDLER(handle_target_types)
6315 {
6316 if (CMD_ARGC != 0)
6317 return ERROR_COMMAND_SYNTAX_ERROR;
6318
6319 for (unsigned int x = 0; target_types[x]; x++)
6320 command_print(CMD, "%s", target_types[x]->name);
6321
6322 return ERROR_OK;
6323 }
6324
6325 COMMAND_HANDLER(handle_target_names)
6326 {
6327 if (CMD_ARGC != 0)
6328 return ERROR_COMMAND_SYNTAX_ERROR;
6329
6330 struct target *target = all_targets;
6331 while (target) {
6332 command_print(CMD, "%s", target_name(target));
6333 target = target->next;
6334 }
6335
6336 return ERROR_OK;
6337 }
6338
6339 static struct target_list *
6340 __attribute__((warn_unused_result))
6341 create_target_list_node(const char *targetname)
6342 {
6343 struct target *target = get_target(targetname);
6344 LOG_DEBUG("%s ", targetname);
6345 if (!target)
6346 return NULL;
6347
6348 struct target_list *new = malloc(sizeof(struct target_list));
6349 if (!new) {
6350 LOG_ERROR("Out of memory");
6351 return new;
6352 }
6353
6354 new->target = target;
6355 return new;
6356 }
6357
6358 static int get_target_with_common_rtos_type(struct command_invocation *cmd,
6359 struct list_head *lh, struct target **result)
6360 {
6361 struct target *target = NULL;
6362 struct target_list *curr;
6363 foreach_smp_target(curr, lh) {
6364 struct rtos *curr_rtos = curr->target->rtos;
6365 if (curr_rtos) {
6366 if (target && target->rtos && target->rtos->type != curr_rtos->type) {
6367 command_print(cmd, "Different rtos types in members of one smp target!");
6368 return ERROR_FAIL;
6369 }
6370 target = curr->target;
6371 }
6372 }
6373 *result = target;
6374 return ERROR_OK;
6375 }
6376
6377 COMMAND_HANDLER(handle_target_smp)
6378 {
6379 static int smp_group = 1;
6380
6381 if (CMD_ARGC == 0) {
6382 LOG_DEBUG("Empty SMP target");
6383 return ERROR_OK;
6384 }
6385 LOG_DEBUG("%d", CMD_ARGC);
6386 /* CMD_ARGC[0] = target to associate in smp
6387 * CMD_ARGC[1] = target to associate in smp
6388 * CMD_ARGC[2] ...
6389 */
6390
6391 struct list_head *lh = malloc(sizeof(*lh));
6392 if (!lh) {
6393 LOG_ERROR("Out of memory");
6394 return ERROR_FAIL;
6395 }
6396 INIT_LIST_HEAD(lh);
6397
6398 for (unsigned int i = 0; i < CMD_ARGC; i++) {
6399 struct target_list *new = create_target_list_node(CMD_ARGV[i]);
6400 if (new)
6401 list_add_tail(&new->lh, lh);
6402 }
6403 /* now parse the list of cpu and put the target in smp mode*/
6404 struct target_list *curr;
6405 foreach_smp_target(curr, lh) {
6406 struct target *target = curr->target;
6407 target->smp = smp_group;
6408 target->smp_targets = lh;
6409 }
6410 smp_group++;
6411
6412 struct target *rtos_target;
6413 int retval = get_target_with_common_rtos_type(CMD, lh, &rtos_target);
6414 if (retval == ERROR_OK && rtos_target)
6415 retval = rtos_smp_init(rtos_target);
6416
6417 return retval;
6418 }
6419
6420 static int jim_target_create(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
6421 {
6422 struct jim_getopt_info goi;
6423 jim_getopt_setup(&goi, interp, argc - 1, argv + 1);
6424 if (goi.argc < 3) {
6425 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv,
6426 "<name> <target_type> [<target_options> ...]");
6427 return JIM_ERR;
6428 }
6429 return target_create(&goi);
6430 }
6431
6432 static const struct command_registration target_subcommand_handlers[] = {
6433 {
6434 .name = "init",
6435 .mode = COMMAND_CONFIG,
6436 .handler = handle_target_init_command,
6437 .help = "initialize targets",
6438 .usage = "",
6439 },
6440 {
6441 .name = "create",
6442 .mode = COMMAND_CONFIG,
6443 .jim_handler = jim_target_create,
6444 .usage = "name type '-chain-position' name [options ...]",
6445 .help = "Creates and selects a new target",
6446 },
6447 {
6448 .name = "current",
6449 .mode = COMMAND_ANY,
6450 .handler = handle_target_current,
6451 .help = "Returns the currently selected target",
6452 .usage = "",
6453 },
6454 {
6455 .name = "types",
6456 .mode = COMMAND_ANY,
6457 .handler = handle_target_types,
6458 .help = "Returns the available target types as "
6459 "a list of strings",
6460 .usage = "",
6461 },
6462 {
6463 .name = "names",
6464 .mode = COMMAND_ANY,
6465 .handler = handle_target_names,
6466 .help = "Returns the names of all targets as a list of strings",
6467 .usage = "",
6468 },
6469 {
6470 .name = "smp",
6471 .mode = COMMAND_ANY,
6472 .handler = handle_target_smp,
6473 .usage = "targetname1 targetname2 ...",
6474 .help = "gather several target in a smp list"
6475 },
6476
6477 COMMAND_REGISTRATION_DONE
6478 };
6479
6480 struct fast_load {
6481 target_addr_t address;
6482 uint8_t *data;
6483 int length;
6484
6485 };
6486
6487 static int fastload_num;
6488 static struct fast_load *fastload;
6489
6490 static void free_fastload(void)
6491 {
6492 if (fastload) {
6493 for (int i = 0; i < fastload_num; i++)
6494 free(fastload[i].data);
6495 free(fastload);
6496 fastload = NULL;
6497 }
6498 }
6499
6500 COMMAND_HANDLER(handle_fast_load_image_command)
6501 {
6502 uint8_t *buffer;
6503 size_t buf_cnt;
6504 uint32_t image_size;
6505 target_addr_t min_address = 0;
6506 target_addr_t max_address = -1;
6507
6508 struct image image;
6509
6510 int retval = CALL_COMMAND_HANDLER(parse_load_image_command,
6511 &image, &min_address, &max_address);
6512 if (retval != ERROR_OK)
6513 return retval;
6514
6515 struct duration bench;
6516 duration_start(&bench);
6517
6518 retval = image_open(&image, CMD_ARGV[0], (CMD_ARGC >= 3) ? CMD_ARGV[2] : NULL);
6519 if (retval != ERROR_OK)
6520 return retval;
6521
6522 image_size = 0x0;
6523 retval = ERROR_OK;
6524 fastload_num = image.num_sections;
6525 fastload = malloc(sizeof(struct fast_load)*image.num_sections);
6526 if (!fastload) {
6527 command_print(CMD, "out of memory");
6528 image_close(&image);
6529 return ERROR_FAIL;
6530 }
6531 memset(fastload, 0, sizeof(struct fast_load)*image.num_sections);
6532 for (unsigned int i = 0; i < image.num_sections; i++) {
6533 buffer = malloc(image.sections[i].size);
6534 if (!buffer) {
6535 command_print(CMD, "error allocating buffer for section (%d bytes)",
6536 (int)(image.sections[i].size));
6537 retval = ERROR_FAIL;
6538 break;
6539 }
6540
6541 retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt);
6542 if (retval != ERROR_OK) {
6543 free(buffer);
6544 break;
6545 }
6546
6547 uint32_t offset = 0;
6548 uint32_t length = buf_cnt;
6549
6550 /* DANGER!!! beware of unsigned comparison here!!! */
6551
6552 if ((image.sections[i].base_address + buf_cnt >= min_address) &&
6553 (image.sections[i].base_address < max_address)) {
6554 if (image.sections[i].base_address < min_address) {
6555 /* clip addresses below */
6556 offset += min_address-image.sections[i].base_address;
6557 length -= offset;
6558 }
6559
6560 if (image.sections[i].base_address + buf_cnt > max_address)
6561 length -= (image.sections[i].base_address + buf_cnt)-max_address;
6562
6563 fastload[i].address = image.sections[i].base_address + offset;
6564 fastload[i].data = malloc(length);
6565 if (!fastload[i].data) {
6566 free(buffer);
6567 command_print(CMD, "error allocating buffer for section (%" PRIu32 " bytes)",
6568 length);
6569 retval = ERROR_FAIL;
6570 break;
6571 }
6572 memcpy(fastload[i].data, buffer + offset, length);
6573 fastload[i].length = length;
6574
6575 image_size += length;
6576 command_print(CMD, "%u bytes written at address 0x%8.8x",
6577 (unsigned int)length,
6578 ((unsigned int)(image.sections[i].base_address + offset)));
6579 }
6580
6581 free(buffer);
6582 }
6583
6584 if ((retval == ERROR_OK) && (duration_measure(&bench) == ERROR_OK)) {
6585 command_print(CMD, "Loaded %" PRIu32 " bytes "
6586 "in %fs (%0.3f KiB/s)", image_size,
6587 duration_elapsed(&bench), duration_kbps(&bench, image_size));
6588
6589 command_print(CMD,
6590 "WARNING: image has not been loaded to target!"
6591 "You can issue a 'fast_load' to finish loading.");
6592 }
6593
6594 image_close(&image);
6595
6596 if (retval != ERROR_OK)
6597 free_fastload();
6598
6599 return retval;
6600 }
6601
6602 COMMAND_HANDLER(handle_fast_load_command)
6603 {
6604 if (CMD_ARGC > 0)
6605 return ERROR_COMMAND_SYNTAX_ERROR;
6606 if (!fastload) {
6607 LOG_ERROR("No image in memory");
6608 return ERROR_FAIL;
6609 }
6610 int i;
6611 int64_t ms = timeval_ms();
6612 int size = 0;
6613 int retval = ERROR_OK;
6614 for (i = 0; i < fastload_num; i++) {
6615 struct target *target = get_current_target(CMD_CTX);
6616 command_print(CMD, "Write to 0x%08x, length 0x%08x",
6617 (unsigned int)(fastload[i].address),
6618 (unsigned int)(fastload[i].length));
6619 retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
6620 if (retval != ERROR_OK)
6621 break;
6622 size += fastload[i].length;
6623 }
6624 if (retval == ERROR_OK) {
6625 int64_t after = timeval_ms();
6626 command_print(CMD, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
6627 }
6628 return retval;
6629 }
6630
6631 static const struct command_registration target_command_handlers[] = {
6632 {
6633 .name = "targets",
6634 .handler = handle_targets_command,
6635 .mode = COMMAND_ANY,
6636 .help = "change current default target (one parameter) "
6637 "or prints table of all targets (no parameters)",
6638 .usage = "[target]",
6639 },
6640 {
6641 .name = "target",
6642 .mode = COMMAND_CONFIG,
6643 .help = "configure target",
6644 .chain = target_subcommand_handlers,
6645 .usage = "",
6646 },
6647 COMMAND_REGISTRATION_DONE
6648 };
6649
6650 int target_register_commands(struct command_context *cmd_ctx)
6651 {
6652 return register_commands(cmd_ctx, NULL, target_command_handlers);
6653 }
6654
6655 static bool target_reset_nag = true;
6656
6657 bool get_target_reset_nag(void)
6658 {
6659 return target_reset_nag;
6660 }
6661
6662 COMMAND_HANDLER(handle_target_reset_nag)
6663 {
6664 return CALL_COMMAND_HANDLER(handle_command_parse_bool,
6665 &target_reset_nag, "Nag after each reset about options to improve "
6666 "performance");
6667 }
6668
6669 COMMAND_HANDLER(handle_ps_command)
6670 {
6671 struct target *target = get_current_target(CMD_CTX);
6672 char *display;
6673 if (target->state != TARGET_HALTED) {
6674 command_print(CMD, "Error: [%s] not halted", target_name(target));
6675 return ERROR_TARGET_NOT_HALTED;
6676 }
6677
6678 if ((target->rtos) && (target->rtos->type)
6679 && (target->rtos->type->ps_command)) {
6680 display = target->rtos->type->ps_command(target);
6681 command_print(CMD, "%s", display);
6682 free(display);
6683 return ERROR_OK;
6684 } else {
6685 LOG_INFO("failed");
6686 return ERROR_TARGET_FAILURE;
6687 }
6688 }
6689
6690 static void binprint(struct command_invocation *cmd, const char *text, const uint8_t *buf, int size)
6691 {
6692 if (text)
6693 command_print_sameline(cmd, "%s", text);
6694 for (int i = 0; i < size; i++)
6695 command_print_sameline(cmd, " %02x", buf[i]);
6696 command_print(cmd, " ");
6697 }
6698
6699 COMMAND_HANDLER(handle_test_mem_access_command)
6700 {
6701 struct target *target = get_current_target(CMD_CTX);
6702 uint32_t test_size;
6703 int retval = ERROR_OK;
6704
6705 if (target->state != TARGET_HALTED) {
6706 command_print(CMD, "Error: [%s] not halted", target_name(target));
6707 return ERROR_TARGET_NOT_HALTED;
6708 }
6709
6710 if (CMD_ARGC != 1)
6711 return ERROR_COMMAND_SYNTAX_ERROR;
6712
6713 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], test_size);
6714
6715 /* Test reads */
6716 size_t num_bytes = test_size + 4;
6717
6718 struct working_area *wa = NULL;
6719 retval = target_alloc_working_area(target, num_bytes, &wa);
6720 if (retval != ERROR_OK) {
6721 LOG_ERROR("Not enough working area");
6722 return ERROR_FAIL;
6723 }
6724
6725 uint8_t *test_pattern = malloc(num_bytes);
6726
6727 for (size_t i = 0; i < num_bytes; i++)
6728 test_pattern[i] = rand();
6729
6730 retval = target_write_memory(target, wa->address, 1, num_bytes, test_pattern);
6731 if (retval != ERROR_OK) {
6732 LOG_ERROR("Test pattern write failed");
6733 goto out;
6734 }
6735
6736 for (int host_offset = 0; host_offset <= 1; host_offset++) {
6737 for (int size = 1; size <= 4; size *= 2) {
6738 for (int offset = 0; offset < 4; offset++) {
6739 uint32_t count = test_size / size;
6740 size_t host_bufsiz = (count + 2) * size + host_offset;
6741 uint8_t *read_ref = malloc(host_bufsiz);
6742 uint8_t *read_buf = malloc(host_bufsiz);
6743
6744 for (size_t i = 0; i < host_bufsiz; i++) {
6745 read_ref[i] = rand();
6746 read_buf[i] = read_ref[i];
6747 }
6748 command_print_sameline(CMD,
6749 "Test read %" PRIu32 " x %d @ %d to %saligned buffer: ", count,
6750 size, offset, host_offset ? "un" : "");
6751
6752 struct duration bench;
6753 duration_start(&bench);
6754
6755 retval = target_read_memory(target, wa->address + offset, size, count,
6756 read_buf + size + host_offset);
6757
6758 duration_measure(&bench);
6759
6760 if (retval == ERROR_TARGET_UNALIGNED_ACCESS) {
6761 command_print(CMD, "Unsupported alignment");
6762 goto next;
6763 } else if (retval != ERROR_OK) {
6764 command_print(CMD, "Memory read failed");
6765 goto next;
6766 }
6767
6768 /* replay on host */
6769 memcpy(read_ref + size + host_offset, test_pattern + offset, count * size);
6770
6771 /* check result */
6772 int result = memcmp(read_ref, read_buf, host_bufsiz);
6773 if (result == 0) {
6774 command_print(CMD, "Pass in %fs (%0.3f KiB/s)",
6775 duration_elapsed(&bench),
6776 duration_kbps(&bench, count * size));
6777 } else {
6778 command_print(CMD, "Compare failed");
6779 binprint(CMD, "ref:", read_ref, host_bufsiz);
6780 binprint(CMD, "buf:", read_buf, host_bufsiz);
6781 }
6782 next:
6783 free(read_ref);
6784 free(read_buf);
6785 }
6786 }
6787 }
6788
6789 out:
6790 free(test_pattern);
6791
6792 target_free_working_area(target, wa);
6793
6794 /* Test writes */
6795 num_bytes = test_size + 4 + 4 + 4;
6796
6797 retval = target_alloc_working_area(target, num_bytes, &wa);
6798 if (retval != ERROR_OK) {
6799 LOG_ERROR("Not enough working area");
6800 return ERROR_FAIL;
6801 }
6802
6803 test_pattern = malloc(num_bytes);
6804
6805 for (size_t i = 0; i < num_bytes; i++)
6806 test_pattern[i] = rand();
6807
6808 for (int host_offset = 0; host_offset <= 1; host_offset++) {
6809 for (int size = 1; size <= 4; size *= 2) {
6810 for (int offset = 0; offset < 4; offset++) {
6811 uint32_t count = test_size / size;
6812 size_t host_bufsiz = count * size + host_offset;
6813 uint8_t *read_ref = malloc(num_bytes);
6814 uint8_t *read_buf = malloc(num_bytes);
6815 uint8_t *write_buf = malloc(host_bufsiz);
6816
6817 for (size_t i = 0; i < host_bufsiz; i++)
6818 write_buf[i] = rand();
6819 command_print_sameline(CMD,
6820 "Test write %" PRIu32 " x %d @ %d from %saligned buffer: ", count,
6821 size, offset, host_offset ? "un" : "");
6822
6823 retval = target_write_memory(target, wa->address, 1, num_bytes, test_pattern);
6824 if (retval != ERROR_OK) {
6825 command_print(CMD, "Test pattern write failed");
6826 goto nextw;
6827 }
6828
6829 /* replay on host */
6830 memcpy(read_ref, test_pattern, num_bytes);
6831 memcpy(read_ref + size + offset, write_buf + host_offset, count * size);
6832
6833 struct duration bench;
6834 duration_start(&bench);
6835
6836 retval = target_write_memory(target, wa->address + size + offset, size, count,
6837 write_buf + host_offset);
6838
6839 duration_measure(&bench);
6840
6841 if (retval == ERROR_TARGET_UNALIGNED_ACCESS) {
6842 command_print(CMD, "Unsupported alignment");
6843 goto nextw;
6844 } else if (retval != ERROR_OK) {
6845 command_print(CMD, "Memory write failed");
6846 goto nextw;
6847 }
6848
6849 /* read back */
6850 retval = target_read_memory(target, wa->address, 1, num_bytes, read_buf);
6851 if (retval != ERROR_OK) {
6852 command_print(CMD, "Test pattern write failed");
6853 goto nextw;
6854 }
6855
6856 /* check result */
6857 int result = memcmp(read_ref, read_buf, num_bytes);
6858 if (result == 0) {
6859 command_print(CMD, "Pass in %fs (%0.3f KiB/s)",
6860 duration_elapsed(&bench),
6861 duration_kbps(&bench, count * size));
6862 } else {
6863 command_print(CMD, "Compare failed");
6864 binprint(CMD, "ref:", read_ref, num_bytes);
6865 binprint(CMD, "buf:", read_buf, num_bytes);
6866 }
6867 nextw:
6868 free(read_ref);
6869 free(read_buf);
6870 }
6871 }
6872 }
6873
6874 free(test_pattern);
6875
6876 target_free_working_area(target, wa);
6877 return retval;
6878 }
6879
6880 static const struct command_registration target_exec_command_handlers[] = {
6881 {
6882 .name = "fast_load_image",
6883 .handler = handle_fast_load_image_command,
6884 .mode = COMMAND_ANY,
6885 .help = "Load image into server memory for later use by "
6886 "fast_load; primarily for profiling",
6887 .usage = "filename address ['bin'|'ihex'|'elf'|'s19'] "
6888 "[min_address [max_length]]",
6889 },
6890 {
6891 .name = "fast_load",
6892 .handler = handle_fast_load_command,
6893 .mode = COMMAND_EXEC,
6894 .help = "loads active fast load image to current target "
6895 "- mainly for profiling purposes",
6896 .usage = "",
6897 },
6898 {
6899 .name = "profile",
6900 .handler = handle_profile_command,
6901 .mode = COMMAND_EXEC,
6902 .usage = "seconds filename [start end]",
6903 .help = "profiling samples the CPU PC",
6904 },
6905 /** @todo don't register virt2phys() unless target supports it */
6906 {
6907 .name = "virt2phys",
6908 .handler = handle_virt2phys_command,
6909 .mode = COMMAND_ANY,
6910 .help = "translate a virtual address into a physical address",
6911 .usage = "virtual_address",
6912 },
6913 {
6914 .name = "reg",
6915 .handler = handle_reg_command,
6916 .mode = COMMAND_EXEC,
6917 .help = "display (reread from target with \"force\") or set a register; "
6918 "with no arguments, displays all registers and their values",
6919 .usage = "[(register_number|register_name) [(value|'force')]]",
6920 },
6921 {
6922 .name = "poll",
6923 .handler = handle_poll_command,
6924 .mode = COMMAND_EXEC,
6925 .help = "poll target state; or reconfigure background polling",
6926 .usage = "['on'|'off']",
6927 },
6928 {
6929 .name = "wait_halt",
6930 .handler = handle_wait_halt_command,
6931 .mode = COMMAND_EXEC,
6932 .help = "wait up to the specified number of milliseconds "
6933 "(default 5000) for a previously requested halt",
6934 .usage = "[milliseconds]",
6935 },
6936 {
6937 .name = "halt",
6938 .handler = handle_halt_command,
6939 .mode = COMMAND_EXEC,
6940 .help = "request target to halt, then wait up to the specified "
6941 "number of milliseconds (default 5000) for it to complete",
6942 .usage = "[milliseconds]",
6943 },
6944 {
6945 .name = "resume",
6946 .handler = handle_resume_command,
6947 .mode = COMMAND_EXEC,
6948 .help = "resume target execution from current PC or address",
6949 .usage = "[address]",
6950 },
6951 {
6952 .name = "reset",
6953 .handler = handle_reset_command,
6954 .mode = COMMAND_EXEC,
6955 .usage = "[run|halt|init]",
6956 .help = "Reset all targets into the specified mode. "
6957 "Default reset mode is run, if not given.",
6958 },
6959 {
6960 .name = "soft_reset_halt",
6961 .handler = handle_soft_reset_halt_command,
6962 .mode = COMMAND_EXEC,
6963 .usage = "",
6964 .help = "halt the target and do a soft reset",
6965 },
6966 {
6967 .name = "step",
6968 .handler = handle_step_command,
6969 .mode = COMMAND_EXEC,
6970 .help = "step one instruction from current PC or address",
6971 .usage = "[address]",
6972 },
6973 {
6974 .name = "mdd",
6975 .handler = handle_md_command,
6976 .mode = COMMAND_EXEC,
6977 .help = "display memory double-words",
6978 .usage = "['phys'] address [count]",
6979 },
6980 {
6981 .name = "mdw",
6982 .handler = handle_md_command,
6983 .mode = COMMAND_EXEC,
6984 .help = "display memory words",
6985 .usage = "['phys'] address [count]",
6986 },
6987 {
6988 .name = "mdh",
6989 .handler = handle_md_command,
6990 .mode = COMMAND_EXEC,
6991 .help = "display memory half-words",
6992 .usage = "['phys'] address [count]",
6993 },
6994 {
6995 .name = "mdb",
6996 .handler = handle_md_command,
6997 .mode = COMMAND_EXEC,
6998 .help = "display memory bytes",
6999 .usage = "['phys'] address [count]",
7000 },
7001 {
7002 .name = "mwd",
7003 .handler = handle_mw_command,
7004 .mode = COMMAND_EXEC,
7005 .help = "write memory double-word",
7006 .usage = "['phys'] address value [count]",
7007 },
7008 {
7009 .name = "mww",
7010 .handler = handle_mw_command,
7011 .mode = COMMAND_EXEC,
7012 .help = "write memory word",
7013 .usage = "['phys'] address value [count]",
7014 },
7015 {
7016 .name = "mwh",
7017 .handler = handle_mw_command,
7018 .mode = COMMAND_EXEC,
7019 .help = "write memory half-word",
7020 .usage = "['phys'] address value [count]",
7021 },
7022 {
7023 .name = "mwb",
7024 .handler = handle_mw_command,
7025 .mode = COMMAND_EXEC,
7026 .help = "write memory byte",
7027 .usage = "['phys'] address value [count]",
7028 },
7029 {
7030 .name = "bp",
7031 .handler = handle_bp_command,
7032 .mode = COMMAND_EXEC,
7033 .help = "list or set hardware or software breakpoint",
7034 .usage = "[<address> [<asid>] <length> ['hw'|'hw_ctx']]",
7035 },
7036 {
7037 .name = "rbp",
7038 .handler = handle_rbp_command,
7039 .mode = COMMAND_EXEC,
7040 .help = "remove breakpoint",
7041 .usage = "'all' | address",
7042 },
7043 {
7044 .name = "wp",
7045 .handler = handle_wp_command,
7046 .mode = COMMAND_EXEC,
7047 .help = "list (no params) or create watchpoints",
7048 .usage = "[address length [('r'|'w'|'a') value [mask]]]",
7049 },
7050 {
7051 .name = "rwp",
7052 .handler = handle_rwp_command,
7053 .mode = COMMAND_EXEC,
7054 .help = "remove watchpoint",
7055 .usage = "address",
7056 },
7057 {
7058 .name = "load_image",
7059 .handler = handle_load_image_command,
7060 .mode = COMMAND_EXEC,
7061 .usage = "filename address ['bin'|'ihex'|'elf'|'s19'] "
7062 "[min_address] [max_length]",
7063 },
7064 {
7065 .name = "dump_image",
7066 .handler = handle_dump_image_command,
7067 .mode = COMMAND_EXEC,
7068 .usage = "filename address size",
7069 },
7070 {
7071 .name = "verify_image_checksum",
7072 .handler = handle_verify_image_checksum_command,
7073 .mode = COMMAND_EXEC,
7074 .usage = "filename [offset [type]]",
7075 },
7076 {
7077 .name = "verify_image",
7078 .handler = handle_verify_image_command,
7079 .mode = COMMAND_EXEC,
7080 .usage = "filename [offset [type]]",
7081 },
7082 {
7083 .name = "test_image",
7084 .handler = handle_test_image_command,
7085 .mode = COMMAND_EXEC,
7086 .usage = "filename [offset [type]]",
7087 },
7088 {
7089 .name = "get_reg",
7090 .mode = COMMAND_EXEC,
7091 .jim_handler = target_jim_get_reg,
7092 .help = "Get register values from the target",
7093 .usage = "list",
7094 },
7095 {
7096 .name = "set_reg",
7097 .mode = COMMAND_EXEC,
7098 .jim_handler = target_jim_set_reg,
7099 .help = "Set target register values",
7100 .usage = "dict",
7101 },
7102 {
7103 .name = "read_memory",
7104 .mode = COMMAND_EXEC,
7105 .handler = handle_target_read_memory,
7106 .help = "Read Tcl list of 8/16/32/64 bit numbers from target memory",
7107 .usage = "address width count ['phys']",
7108 },
7109 {
7110 .name = "write_memory",
7111 .mode = COMMAND_EXEC,
7112 .jim_handler = target_jim_write_memory,
7113 .help = "Write Tcl list of 8/16/32/64 bit numbers to target memory",
7114 .usage = "address width data ['phys']",
7115 },
7116 {
7117 .name = "reset_nag",
7118 .handler = handle_target_reset_nag,
7119 .mode = COMMAND_ANY,
7120 .help = "Nag after each reset about options that could have been "
7121 "enabled to improve performance.",
7122 .usage = "['enable'|'disable']",
7123 },
7124 {
7125 .name = "ps",
7126 .handler = handle_ps_command,
7127 .mode = COMMAND_EXEC,
7128 .help = "list all tasks",
7129 .usage = "",
7130 },
7131 {
7132 .name = "test_mem_access",
7133 .handler = handle_test_mem_access_command,
7134 .mode = COMMAND_EXEC,
7135 .help = "Test the target's memory access functions",
7136 .usage = "size",
7137 },
7138
7139 COMMAND_REGISTRATION_DONE
7140 };
7141 static int target_register_user_commands(struct command_context *cmd_ctx)
7142 {
7143 int retval = ERROR_OK;
7144 retval = target_request_register_commands(cmd_ctx);
7145 if (retval != ERROR_OK)
7146 return retval;
7147
7148 retval = trace_register_commands(cmd_ctx);
7149 if (retval != ERROR_OK)
7150 return retval;
7151
7152
7153 return register_commands(cmd_ctx, NULL, target_exec_command_handlers);
7154 }
7155
7156 const char *target_debug_reason_str(enum target_debug_reason reason)
7157 {
7158 switch (reason) {
7159 case DBG_REASON_DBGRQ:
7160 return "DBGRQ";
7161 case DBG_REASON_BREAKPOINT:
7162 return "BREAKPOINT";
7163 case DBG_REASON_WATCHPOINT:
7164 return "WATCHPOINT";
7165 case DBG_REASON_WPTANDBKPT:
7166 return "WPTANDBKPT";
7167 case DBG_REASON_SINGLESTEP:
7168 return "SINGLESTEP";
7169 case DBG_REASON_NOTHALTED:
7170 return "NOTHALTED";
7171 case DBG_REASON_EXIT:
7172 return "EXIT";
7173 case DBG_REASON_EXC_CATCH:
7174 return "EXC_CATCH";
7175 case DBG_REASON_UNDEFINED:
7176 return "UNDEFINED";
7177 default:
7178 return "UNKNOWN!";
7179 }
7180 }
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