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flash/nor/stm32l4x: Remove redundant error messages
[openocd.git] / src / target / arm_tpiu_swo.c
blob5cea682ec42b4c3fe6f405df291fad3c9d7f6e66
1 // SPDX-License-Identifier: GPL-2.0-or-later
2
3 /**
4 * @file
5 * This file implements support for the ARM CoreSight components Trace Port
6 * Interface Unit (TPIU) and Serial Wire Output (SWO). It also supports the
7 * CoreSight TPIU-Lite and the special TPIU version present with Cortex-M3
8 * and Cortex-M4 (that includes SWO).
9 */
10
11 /*
12 * Relevant specifications from ARM include:
13 *
14 * CoreSight(tm) Components Technical Reference Manual ARM DDI 0314H
15 * CoreSight(tm) TPIU-Lite Technical Reference Manual ARM DDI 0317A
16 * Cortex(tm)-M3 Technical Reference Manual ARM DDI 0337G
17 * Cortex(tm)-M4 Technical Reference Manual ARM DDI 0439B
18 * CoreSight(tm) SoC-400 Technical Reference Manual ARM DDI 0480F
19 */
20
21 #ifdef HAVE_CONFIG_H
22 #include "config.h"
23 #endif
24
25 #include <stdlib.h>
26 #include <jim.h>
27
28 #include <helper/bits.h>
29 #include <helper/command.h>
30 #include <helper/jim-nvp.h>
31 #include <helper/list.h>
32 #include <helper/log.h>
33 #include <helper/types.h>
34 #include <jtag/interface.h>
35 #include <server/server.h>
36 #include <target/arm_adi_v5.h>
37 #include <target/target.h>
38 #include <transport/transport.h>
39 #include "arm_tpiu_swo.h"
40
41 /* START_DEPRECATED_TPIU */
42 #include <target/cortex_m.h>
43 #include <target/target_type.h>
44 #define MSG "DEPRECATED \'tpiu config\' command: "
45 /* END_DEPRECATED_TPIU */
46
47 #define TCP_SERVICE_NAME "tpiu_swo_trace"
48
49 /* default for Cortex-M3 and Cortex-M4 specific TPIU */
50 #define TPIU_SWO_DEFAULT_BASE 0xE0040000
51
52 #define TPIU_SSPSR_OFFSET 0x000
53 #define TPIU_CSPSR_OFFSET 0x004
54 #define TPIU_ACPR_OFFSET 0x010
55 #define TPIU_SPPR_OFFSET 0x0F0
56 #define TPIU_FFSR_OFFSET 0x300
57 #define TPIU_FFCR_OFFSET 0x304
58 #define TPIU_FSCR_OFFSET 0x308
59 #define TPIU_DEVID_OFFSET 0xfc8
60
61 #define TPIU_ACPR_MAX_PRESCALER 0x1fff
62 #define TPIU_SPPR_PROTOCOL_SYNC (TPIU_PIN_PROTOCOL_SYNC)
63 #define TPIU_SPPR_PROTOCOL_MANCHESTER (TPIU_PIN_PROTOCOL_ASYNC_MANCHESTER)
64 #define TPIU_SPPR_PROTOCOL_UART (TPIU_PIN_PROTOCOL_ASYNC_UART)
65 #define TPIU_DEVID_NOSUPPORT_SYNC BIT(9)
66 #define TPIU_DEVID_SUPPORT_MANCHESTER BIT(10)
67 #define TPIU_DEVID_SUPPORT_UART BIT(11)
68
69 enum arm_tpiu_swo_event {
70 TPIU_SWO_EVENT_PRE_ENABLE,
71 TPIU_SWO_EVENT_POST_ENABLE,
72 TPIU_SWO_EVENT_PRE_DISABLE,
73 TPIU_SWO_EVENT_POST_DISABLE,
74 };
75
76 static const struct jim_nvp nvp_arm_tpiu_swo_event[] = {
77 { .value = TPIU_SWO_EVENT_PRE_ENABLE, .name = "pre-enable" },
78 { .value = TPIU_SWO_EVENT_POST_ENABLE, .name = "post-enable" },
79 { .value = TPIU_SWO_EVENT_PRE_DISABLE, .name = "pre-disable" },
80 { .value = TPIU_SWO_EVENT_POST_DISABLE, .name = "post-disable" },
81 };
82
83 struct arm_tpiu_swo_event_action {
84 enum arm_tpiu_swo_event event;
85 Jim_Interp *interp;
86 Jim_Obj *body;
87 struct arm_tpiu_swo_event_action *next;
88 };
89
90 struct arm_tpiu_swo_object {
91 struct list_head lh;
92 struct adiv5_mem_ap_spot spot;
93 struct adiv5_ap *ap;
94 char *name;
95 struct arm_tpiu_swo_event_action *event_action;
96 /* record enable before init */
97 bool deferred_enable;
98 bool enabled;
99 bool en_capture;
100 /** Handle to output trace data in INTERNAL capture mode */
101 /** Synchronous output port width */
102 uint32_t port_width;
103 FILE *file;
104 /** output mode */
105 unsigned int pin_protocol;
106 /** Enable formatter */
107 bool en_formatter;
108 /** frequency of TRACECLKIN (usually matches HCLK) */
109 unsigned int traceclkin_freq;
110 /** SWO pin frequency */
111 unsigned int swo_pin_freq;
112 /** where to dump the captured output trace data */
113 char *out_filename;
114 /** track TCP connections */
115 struct list_head connections;
116 /* START_DEPRECATED_TPIU */
117 bool recheck_ap_cur_target;
118 /* END_DEPRECATED_TPIU */
119 };
120
121 struct arm_tpiu_swo_connection {
122 struct list_head lh;
123 struct connection *connection;
124 };
125
126 struct arm_tpiu_swo_priv_connection {
127 struct arm_tpiu_swo_object *obj;
128 };
129
130 static LIST_HEAD(all_tpiu_swo);
131
132 #define ARM_TPIU_SWO_TRACE_BUF_SIZE 4096
133
134 static int arm_tpiu_swo_poll_trace(void *priv)
135 {
136 struct arm_tpiu_swo_object *obj = priv;
137 uint8_t buf[ARM_TPIU_SWO_TRACE_BUF_SIZE];
138 size_t size = sizeof(buf);
139 struct arm_tpiu_swo_connection *c;
140
141 int retval = adapter_poll_trace(buf, &size);
142 if (retval != ERROR_OK || !size)
143 return retval;
144
145 target_call_trace_callbacks(/*target*/NULL, size, buf);
146
147 if (obj->file) {
148 if (fwrite(buf, 1, size, obj->file) == size) {
149 fflush(obj->file);
150 } else {
151 LOG_ERROR("Error writing to the SWO trace destination file");
152 return ERROR_FAIL;
153 }
154 }
155
156 if (obj->out_filename && obj->out_filename[0] == ':')
157 list_for_each_entry(c, &obj->connections, lh)
158 if (connection_write(c->connection, buf, size) != (int)size)
159 LOG_ERROR("Error writing to connection"); /* FIXME: which connection? */
160
161 return ERROR_OK;
162 }
163
164 static void arm_tpiu_swo_handle_event(struct arm_tpiu_swo_object *obj, enum arm_tpiu_swo_event event)
165 {
166 for (struct arm_tpiu_swo_event_action *ea = obj->event_action; ea; ea = ea->next) {
167 if (ea->event != event)
168 continue;
169
170 LOG_DEBUG("TPIU/SWO: %s event: %s (%d) action : %s",
171 obj->name,
172 jim_nvp_value2name_simple(nvp_arm_tpiu_swo_event, event)->name,
173 event,
174 Jim_GetString(ea->body, NULL));
175
176 /* prevent event execution to change current target */
177 struct command_context *cmd_ctx = current_command_context(ea->interp);
178 struct target *saved_target = cmd_ctx->current_target;
179 int retval = Jim_EvalObj(ea->interp, ea->body);
180 cmd_ctx->current_target = saved_target;
181
182 if (retval == JIM_RETURN)
183 retval = ea->interp->returnCode;
184 if (retval == JIM_OK || retval == ERROR_COMMAND_CLOSE_CONNECTION)
185 return;
186
187 Jim_MakeErrorMessage(ea->interp);
188 LOG_USER("Error executing event %s on TPIU/SWO %s:\n%s",
189 jim_nvp_value2name_simple(nvp_arm_tpiu_swo_event, event)->name,
190 obj->name,
191 Jim_GetString(Jim_GetResult(ea->interp), NULL));
192 /* clean both error code and stacktrace before return */
193 Jim_Eval(ea->interp, "error \"\" \"\"");
194 return;
195 }
196 }
197
198 static void arm_tpiu_swo_close_output(struct arm_tpiu_swo_object *obj)
199 {
200 if (obj->file) {
201 fclose(obj->file);
202 obj->file = NULL;
203 }
204 if (obj->out_filename && obj->out_filename[0] == ':')
205 remove_service(TCP_SERVICE_NAME, &obj->out_filename[1]);
206 }
207
208 int arm_tpiu_swo_cleanup_all(void)
209 {
210 struct arm_tpiu_swo_object *obj, *tmp;
211
212 list_for_each_entry_safe(obj, tmp, &all_tpiu_swo, lh) {
213 if (obj->enabled)
214 arm_tpiu_swo_handle_event(obj, TPIU_SWO_EVENT_PRE_DISABLE);
215
216 arm_tpiu_swo_close_output(obj);
217
218 if (obj->en_capture) {
219 target_unregister_timer_callback(arm_tpiu_swo_poll_trace, obj);
220
221 int retval = adapter_config_trace(false, 0, 0, NULL, 0, NULL);
222 if (retval != ERROR_OK)
223 LOG_ERROR("Failed to stop adapter's trace");
224 }
225
226 if (obj->enabled)
227 arm_tpiu_swo_handle_event(obj, TPIU_SWO_EVENT_POST_DISABLE);
228
229 struct arm_tpiu_swo_event_action *ea = obj->event_action;
230 while (ea) {
231 struct arm_tpiu_swo_event_action *next = ea->next;
232 Jim_DecrRefCount(ea->interp, ea->body);
233 free(ea);
234 ea = next;
235 }
236
237 if (obj->ap)
238 dap_put_ap(obj->ap);
239
240 free(obj->name);
241 free(obj->out_filename);
242 free(obj);
243 }
244
245 return ERROR_OK;
246 }
247
248 static int arm_tpiu_swo_service_new_connection(struct connection *connection)
249 {
250 struct arm_tpiu_swo_priv_connection *priv = connection->service->priv;
251 struct arm_tpiu_swo_object *obj = priv->obj;
252 struct arm_tpiu_swo_connection *c = malloc(sizeof(*c));
253 if (!c) {
254 LOG_ERROR("Out of memory");
255 return ERROR_FAIL;
256 }
257 c->connection = connection;
258 list_add(&c->lh, &obj->connections);
259 return ERROR_OK;
260 }
261
262 static int arm_tpiu_swo_service_input(struct connection *connection)
263 {
264 /* read a dummy buffer to check if the connection is still active */
265 long dummy;
266 int bytes_read = connection_read(connection, &dummy, sizeof(dummy));
267
268 if (bytes_read == 0) {
269 return ERROR_SERVER_REMOTE_CLOSED;
270 } else if (bytes_read == -1) {
271 LOG_ERROR("error during read: %s", strerror(errno));
272 return ERROR_SERVER_REMOTE_CLOSED;
273 }
274
275 return ERROR_OK;
276 }
277
278 static int arm_tpiu_swo_service_connection_closed(struct connection *connection)
279 {
280 struct arm_tpiu_swo_priv_connection *priv = connection->service->priv;
281 struct arm_tpiu_swo_object *obj = priv->obj;
282 struct arm_tpiu_swo_connection *c, *tmp;
283
284 list_for_each_entry_safe(c, tmp, &obj->connections, lh)
285 if (c->connection == connection) {
286 list_del(&c->lh);
287 free(c);
288 return ERROR_OK;
289 }
290 LOG_ERROR("Failed to find connection to close!");
291 return ERROR_FAIL;
292 }
293
294 COMMAND_HANDLER(handle_arm_tpiu_swo_event_list)
295 {
296 struct arm_tpiu_swo_object *obj = CMD_DATA;
297
298 command_print(CMD, "Event actions for TPIU/SWO %s\n", obj->name);
299 command_print(CMD, "%-25s | Body", "Event");
300 command_print(CMD, "------------------------- | "
301 "----------------------------------------");
302
303 for (struct arm_tpiu_swo_event_action *ea = obj->event_action; ea; ea = ea->next) {
304 struct jim_nvp *opt = jim_nvp_value2name_simple(nvp_arm_tpiu_swo_event, ea->event);
305 command_print(CMD, "%-25s | %s",
306 opt->name, Jim_GetString(ea->body, NULL));
307 }
308 command_print(CMD, "***END***");
309 return ERROR_OK;
310 }
311
312 enum arm_tpiu_swo_cfg_param {
313 CFG_PORT_WIDTH,
314 CFG_PROTOCOL,
315 CFG_FORMATTER,
316 CFG_TRACECLKIN,
317 CFG_BITRATE,
318 CFG_OUTFILE,
319 CFG_EVENT,
320 };
321
322 static const struct jim_nvp nvp_arm_tpiu_swo_config_opts[] = {
323 { .name = "-port-width", .value = CFG_PORT_WIDTH },
324 { .name = "-protocol", .value = CFG_PROTOCOL },
325 { .name = "-formatter", .value = CFG_FORMATTER },
326 { .name = "-traceclk", .value = CFG_TRACECLKIN },
327 { .name = "-pin-freq", .value = CFG_BITRATE },
328 { .name = "-output", .value = CFG_OUTFILE },
329 { .name = "-event", .value = CFG_EVENT },
330 /* handled by mem_ap_spot, added for jim_getopt_nvp_unknown() */
331 { .name = "-dap", .value = -1 },
332 { .name = "-ap-num", .value = -1 },
333 { .name = "-baseaddr", .value = -1 },
334 { .name = NULL, .value = -1 },
335 };
336
337 static const struct jim_nvp nvp_arm_tpiu_swo_protocol_opts[] = {
338 { .name = "sync", .value = TPIU_SPPR_PROTOCOL_SYNC },
339 { .name = "uart", .value = TPIU_SPPR_PROTOCOL_UART },
340 { .name = "manchester", .value = TPIU_SPPR_PROTOCOL_MANCHESTER },
341 { .name = NULL, .value = -1 },
342 };
343
344 static const struct jim_nvp nvp_arm_tpiu_swo_bool_opts[] = {
345 { .name = "on", .value = 1 },
346 { .name = "yes", .value = 1 },
347 { .name = "1", .value = 1 },
348 { .name = "true", .value = 1 },
349 { .name = "off", .value = 0 },
350 { .name = "no", .value = 0 },
351 { .name = "0", .value = 0 },
352 { .name = "false", .value = 0 },
353 { .name = NULL, .value = -1 },
354 };
355
356 static int arm_tpiu_swo_configure(struct jim_getopt_info *goi, struct arm_tpiu_swo_object *obj)
357 {
358 assert(obj);
359
360 if (goi->isconfigure && obj->enabled) {
361 Jim_SetResultFormatted(goi->interp, "Cannot configure TPIU/SWO; %s is enabled!", obj->name);
362 return JIM_ERR;
363 }
364
365 /* parse config or cget options ... */
366 while (goi->argc > 0) {
367 Jim_SetEmptyResult(goi->interp);
368
369 int e = adiv5_jim_mem_ap_spot_configure(&obj->spot, goi);
370 if (e == JIM_OK)
371 continue;
372 if (e == JIM_ERR)
373 return e;
374
375 struct jim_nvp *n;
376 e = jim_getopt_nvp(goi, nvp_arm_tpiu_swo_config_opts, &n);
377 if (e != JIM_OK) {
378 jim_getopt_nvp_unknown(goi, nvp_arm_tpiu_swo_config_opts, 0);
379 return e;
380 }
381
382 switch (n->value) {
383 case CFG_PORT_WIDTH:
384 if (goi->isconfigure) {
385 jim_wide port_width;
386 e = jim_getopt_wide(goi, &port_width);
387 if (e != JIM_OK)
388 return e;
389 if (port_width < 1 || port_width > 32) {
390 Jim_SetResultString(goi->interp, "Invalid port width!", -1);
391 return JIM_ERR;
392 }
393 obj->port_width = (uint32_t)port_width;
394 } else {
395 if (goi->argc)
396 goto err_no_params;
397 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, obj->port_width));
398 }
399 break;
400 case CFG_PROTOCOL:
401 if (goi->isconfigure) {
402 struct jim_nvp *p;
403 e = jim_getopt_nvp(goi, nvp_arm_tpiu_swo_protocol_opts, &p);
404 if (e != JIM_OK)
405 return e;
406 obj->pin_protocol = p->value;
407 } else {
408 if (goi->argc)
409 goto err_no_params;
410 struct jim_nvp *p;
411 e = jim_nvp_value2name(goi->interp, nvp_arm_tpiu_swo_protocol_opts, obj->pin_protocol, &p);
412 if (e != JIM_OK) {
413 Jim_SetResultString(goi->interp, "protocol error", -1);
414 return JIM_ERR;
415 }
416 Jim_SetResult(goi->interp, Jim_NewStringObj(goi->interp, p->name, -1));
417 }
418 break;
419 case CFG_FORMATTER:
420 if (goi->isconfigure) {
421 struct jim_nvp *p;
422 e = jim_getopt_nvp(goi, nvp_arm_tpiu_swo_bool_opts, &p);
423 if (e != JIM_OK)
424 return e;
425 obj->en_formatter = p->value;
426 } else {
427 if (goi->argc)
428 goto err_no_params;
429 struct jim_nvp *p;
430 e = jim_nvp_value2name(goi->interp, nvp_arm_tpiu_swo_bool_opts, obj->en_formatter, &p);
431 if (e != JIM_OK) {
432 Jim_SetResultString(goi->interp, "formatter error", -1);
433 return JIM_ERR;
434 }
435 Jim_SetResult(goi->interp, Jim_NewStringObj(goi->interp, p->name, -1));
436 }
437 break;
438 case CFG_TRACECLKIN:
439 if (goi->isconfigure) {
440 jim_wide clk;
441 e = jim_getopt_wide(goi, &clk);
442 if (e != JIM_OK)
443 return e;
444 obj->traceclkin_freq = clk;
445 } else {
446 if (goi->argc)
447 goto err_no_params;
448 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, obj->traceclkin_freq));
449 }
450 break;
451 case CFG_BITRATE:
452 if (goi->isconfigure) {
453 jim_wide clk;
454 e = jim_getopt_wide(goi, &clk);
455 if (e != JIM_OK)
456 return e;
457 obj->swo_pin_freq = clk;
458 } else {
459 if (goi->argc)
460 goto err_no_params;
461 Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, obj->swo_pin_freq));
462 }
463 break;
464 case CFG_OUTFILE:
465 if (goi->isconfigure) {
466 const char *s;
467 e = jim_getopt_string(goi, &s, NULL);
468 if (e != JIM_OK)
469 return e;
470 if (s[0] == ':') {
471 char *end;
472 long port = strtol(s + 1, &end, 0);
473 if (port <= 0 || port > UINT16_MAX || *end != '\0') {
474 Jim_SetResultFormatted(goi->interp, "Invalid TCP port \'%s\'", s + 1);
475 return JIM_ERR;
476 }
477 }
478 free(obj->out_filename);
479 obj->out_filename = strdup(s);
480 if (!obj->out_filename) {
481 LOG_ERROR("Out of memory");
482 return JIM_ERR;
483 }
484 } else {
485 if (goi->argc)
486 goto err_no_params;
487 if (obj->out_filename)
488 Jim_SetResult(goi->interp, Jim_NewStringObj(goi->interp, obj->out_filename, -1));
489 }
490 break;
491 case CFG_EVENT:
492 if (goi->isconfigure) {
493 if (goi->argc < 2) {
494 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
495 return JIM_ERR;
496 }
497 } else {
498 if (goi->argc != 1) {
499 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
500 return JIM_ERR;
501 }
502 }
503
504 {
505 struct jim_nvp *p;
506 Jim_Obj *o;
507 struct arm_tpiu_swo_event_action *ea = obj->event_action;
508
509 e = jim_getopt_nvp(goi, nvp_arm_tpiu_swo_event, &p);
510 if (e != JIM_OK) {
511 jim_getopt_nvp_unknown(goi, nvp_arm_tpiu_swo_event, 1);
512 return e;
513 }
514
515 while (ea) {
516 /* replace existing? */
517 if (ea->event == (enum arm_tpiu_swo_event)p->value)
518 break;
519 ea = ea->next;
520 }
521
522 if (goi->isconfigure) {
523 if (!ea) {
524 ea = calloc(1, sizeof(*ea));
525 if (!ea) {
526 LOG_ERROR("Out of memory");
527 return JIM_ERR;
528 }
529 ea->next = obj->event_action;
530 obj->event_action = ea;
531 }
532 if (ea->body)
533 Jim_DecrRefCount(ea->interp, ea->body);
534 ea->event = p->value;
535 ea->interp = goi->interp;
536 jim_getopt_obj(goi, &o);
537 ea->body = Jim_DuplicateObj(goi->interp, o);
538 Jim_IncrRefCount(ea->body);
539 } else {
540 if (ea)
541 Jim_SetResult(goi->interp, Jim_DuplicateObj(goi->interp, ea->body));
542 }
543 }
544 break;
545 }
546 }
547
548 return JIM_OK;
549
550 err_no_params:
551 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "NO PARAMS");
552 return JIM_ERR;
553 }
554
555 static int jim_arm_tpiu_swo_configure(Jim_Interp *interp, int argc, Jim_Obj * const *argv)
556 {
557 struct command *c = jim_to_command(interp);
558 struct jim_getopt_info goi;
559
560 jim_getopt_setup(&goi, interp, argc - 1, argv + 1);
561 goi.isconfigure = !strcmp(c->name, "configure");
562 if (goi.argc < 1) {
563 Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv,
564 "missing: -option ...");
565 return JIM_ERR;
566 }
567 struct arm_tpiu_swo_object *obj = c->jim_handler_data;
568 return arm_tpiu_swo_configure(&goi, obj);
569 }
570
571 static int wrap_write_u32(struct target *target, struct adiv5_ap *tpiu_ap,
572 target_addr_t address, uint32_t value)
573 {
574 if (transport_is_hla())
575 return target_write_u32(target, address, value);
576 else
577 return mem_ap_write_atomic_u32(tpiu_ap, address, value);
578 }
579
580 static int wrap_read_u32(struct target *target, struct adiv5_ap *tpiu_ap,
581 target_addr_t address, uint32_t *value)
582 {
583 if (transport_is_hla())
584 return target_read_u32(target, address, value);
585 else
586 return mem_ap_read_atomic_u32(tpiu_ap, address, value);
587 }
588
589 static const struct service_driver arm_tpiu_swo_service_driver = {
590 .name = "tpiu_swo_trace",
591 .new_connection_during_keep_alive_handler = NULL,
592 .new_connection_handler = arm_tpiu_swo_service_new_connection,
593 .input_handler = arm_tpiu_swo_service_input,
594 .connection_closed_handler = arm_tpiu_swo_service_connection_closed,
595 .keep_client_alive_handler = NULL,
596 };
597
598 COMMAND_HANDLER(handle_arm_tpiu_swo_enable)
599 {
600 struct arm_tpiu_swo_object *obj = CMD_DATA;
601 uint32_t value;
602 int retval;
603
604 if (CMD_ARGC != 0)
605 return ERROR_COMMAND_SYNTAX_ERROR;
606
607 if (CMD_CTX->mode == COMMAND_CONFIG) {
608 LOG_DEBUG("%s: enable deferred", obj->name);
609 obj->deferred_enable = true;
610 return ERROR_OK;
611 }
612
613 if (obj->enabled)
614 return ERROR_OK;
615
616 if (transport_is_hla() && obj->spot.ap_num != 0) {
617 command_print(CMD,
618 "Invalid access port 0x%" PRIx64 ". Only AP#0 allowed with hla transport",
619 obj->spot.ap_num);
620 return ERROR_FAIL;
621 }
622
623 if (!obj->traceclkin_freq) {
624 command_print(CMD, "Trace clock-in frequency not set");
625 return ERROR_FAIL;
626 }
627
628 if (obj->pin_protocol == TPIU_SPPR_PROTOCOL_MANCHESTER || obj->pin_protocol == TPIU_SPPR_PROTOCOL_UART)
629 if (!obj->swo_pin_freq)
630 LOG_DEBUG("SWO pin frequency not set, will be autodetected by the adapter");
631
632 struct target *target = get_current_target(CMD_CTX);
633
634 /* START_DEPRECATED_TPIU */
635 if (obj->recheck_ap_cur_target) {
636 if (strcmp(target->type->name, "cortex_m") &&
637 strcmp(target->type->name, "hla_target")) {
638 LOG_ERROR(MSG "Current target is not a Cortex-M nor a HLA");
639 return ERROR_FAIL;
640 }
641 if (!target_was_examined(target)) {
642 LOG_ERROR(MSG "Current target not examined yet");
643 return ERROR_FAIL;
644 }
645 struct cortex_m_common *cm = target_to_cm(target);
646 obj->recheck_ap_cur_target = false;
647 obj->spot.ap_num = cm->armv7m.debug_ap->ap_num;
648 if (obj->spot.ap_num == 0)
649 LOG_INFO(MSG "Confirmed TPIU %s is on AP 0", obj->name);
650 else
651 LOG_INFO(MSG "Target %s is on AP#0x%" PRIx64 ". Revised command is "
652 "\'tpiu create %s -dap %s -ap-num 0x%" PRIx64 "\'",
653 target_name(target), obj->spot.ap_num,
654 obj->name, adiv5_dap_name(obj->spot.dap), obj->spot.ap_num);
655 }
656 /* END_DEPRECATED_TPIU */
657
658 if (!obj->ap) {
659 obj->ap = dap_get_ap(obj->spot.dap, obj->spot.ap_num);
660 if (!obj->ap) {
661 command_print(CMD, "Cannot get AP");
662 return ERROR_FAIL;
663 }
664 }
665
666 /* trigger the event before any attempt to R/W in the TPIU/SWO */
667 arm_tpiu_swo_handle_event(obj, TPIU_SWO_EVENT_PRE_ENABLE);
668
669 retval = wrap_read_u32(target, obj->ap, obj->spot.base + TPIU_DEVID_OFFSET, &value);
670 if (retval != ERROR_OK) {
671 command_print(CMD, "Unable to read %s", obj->name);
672 return retval;
673 }
674 switch (obj->pin_protocol) {
675 case TPIU_SPPR_PROTOCOL_SYNC:
676 value = !(value & TPIU_DEVID_NOSUPPORT_SYNC);
677 break;
678 case TPIU_SPPR_PROTOCOL_UART:
679 value &= TPIU_DEVID_SUPPORT_UART;
680 break;
681 case TPIU_SPPR_PROTOCOL_MANCHESTER:
682 value &= TPIU_DEVID_SUPPORT_MANCHESTER;
683 break;
684 default:
685 value = 0;
686 }
687 if (!value) {
688 struct jim_nvp *p = jim_nvp_value2name_simple(nvp_arm_tpiu_swo_protocol_opts, obj->pin_protocol);
689 command_print(CMD, "%s does not support protocol %s", obj->name, p->name);
690 return ERROR_FAIL;
691 }
692
693 if (obj->pin_protocol == TPIU_SPPR_PROTOCOL_SYNC) {
694 retval = wrap_read_u32(target, obj->ap, obj->spot.base + TPIU_SSPSR_OFFSET, &value);
695 if (retval != ERROR_OK) {
696 command_print(CMD, "Cannot read TPIU register SSPSR");
697 return retval;
698 }
699 if (!(value & BIT(obj->port_width - 1))) {
700 command_print(CMD, "TPIU does not support port-width of %d bits", obj->port_width);
701 return ERROR_FAIL;
702 }
703 }
704
705 uint16_t prescaler = 1; /* dummy value */
706 unsigned int swo_pin_freq = obj->swo_pin_freq; /* could be replaced */
707
708 if (obj->out_filename && strcmp(obj->out_filename, "external") && obj->out_filename[0]) {
709 if (obj->out_filename[0] == ':') {
710 struct arm_tpiu_swo_priv_connection *priv = malloc(sizeof(*priv));
711 if (!priv) {
712 LOG_ERROR("Out of memory");
713 return ERROR_FAIL;
714 }
715 priv->obj = obj;
716 LOG_INFO("starting trace server for %s on %s", obj->name, &obj->out_filename[1]);
717 retval = add_service(&arm_tpiu_swo_service_driver, &obj->out_filename[1],
718 CONNECTION_LIMIT_UNLIMITED, priv);
719 if (retval != ERROR_OK) {
720 command_print(CMD, "Can't configure trace TCP port %s", &obj->out_filename[1]);
721 return retval;
722 }
723 } else if (strcmp(obj->out_filename, "-")) {
724 obj->file = fopen(obj->out_filename, "ab");
725 if (!obj->file) {
726 command_print(CMD, "Can't open trace destination file \"%s\"", obj->out_filename);
727 return ERROR_FAIL;
728 }
729 }
730
731 retval = adapter_config_trace(true, obj->pin_protocol, obj->port_width,
732 &swo_pin_freq, obj->traceclkin_freq, &prescaler);
733 if (retval != ERROR_OK) {
734 command_print(CMD, "Failed to start adapter's trace");
735 arm_tpiu_swo_close_output(obj);
736 return retval;
737 }
738
739 if (obj->pin_protocol == TPIU_SPPR_PROTOCOL_MANCHESTER || obj->pin_protocol == TPIU_SPPR_PROTOCOL_UART)
740 if (!swo_pin_freq) {
741 if (obj->swo_pin_freq)
742 command_print(CMD, "Adapter rejected SWO pin frequency %d Hz", obj->swo_pin_freq);
743 else
744 command_print(CMD,
745 "Adapter does not support auto-detection of SWO pin frequency nor a default value");
746
747 arm_tpiu_swo_close_output(obj);
748 return ERROR_FAIL;
749 }
750
751 if (obj->swo_pin_freq != swo_pin_freq)
752 LOG_INFO("SWO pin data rate adjusted by adapter to %d Hz", swo_pin_freq);
753 obj->swo_pin_freq = swo_pin_freq;
754
755 target_register_timer_callback(arm_tpiu_swo_poll_trace, 1,
756 TARGET_TIMER_TYPE_PERIODIC, obj);
757
758 obj->en_capture = true;
759 } else if (obj->pin_protocol == TPIU_SPPR_PROTOCOL_MANCHESTER || obj->pin_protocol == TPIU_SPPR_PROTOCOL_UART) {
760 prescaler = (obj->traceclkin_freq + obj->swo_pin_freq / 2) / obj->swo_pin_freq;
761 if (prescaler > TPIU_ACPR_MAX_PRESCALER)
762 prescaler = TPIU_ACPR_MAX_PRESCALER;
763 swo_pin_freq = obj->traceclkin_freq / prescaler;
764
765 if (obj->swo_pin_freq != swo_pin_freq)
766 LOG_INFO("SWO pin data rate adjusted to %d Hz", swo_pin_freq);
767 obj->swo_pin_freq = swo_pin_freq;
768 }
769
770 retval = wrap_write_u32(target, obj->ap, obj->spot.base + TPIU_CSPSR_OFFSET, BIT(obj->port_width - 1));
771 if (retval != ERROR_OK)
772 goto error_exit;
773
774 retval = wrap_write_u32(target, obj->ap, obj->spot.base + TPIU_ACPR_OFFSET, prescaler - 1);
775 if (retval != ERROR_OK)
776 goto error_exit;
777
778 retval = wrap_write_u32(target, obj->ap, obj->spot.base + TPIU_SPPR_OFFSET, obj->pin_protocol);
779 if (retval != ERROR_OK)
780 goto error_exit;
781
782 retval = wrap_read_u32(target, obj->ap, obj->spot.base + TPIU_FFCR_OFFSET, &value);
783 if (retval != ERROR_OK)
784 goto error_exit;
785 if (obj->en_formatter)
786 value |= BIT(1);
787 else
788 value &= ~BIT(1);
789 retval = wrap_write_u32(target, obj->ap, obj->spot.base + TPIU_FFCR_OFFSET, value);
790 if (retval != ERROR_OK)
791 goto error_exit;
792
793 arm_tpiu_swo_handle_event(obj, TPIU_SWO_EVENT_POST_ENABLE);
794
795 /* START_DEPRECATED_TPIU */
796 target_handle_event(target, TARGET_EVENT_TRACE_CONFIG);
797 /* END_DEPRECATED_TPIU */
798
799 obj->enabled = true;
800 return ERROR_OK;
801
802 error_exit:
803 command_print(CMD, "Error!");
804
805 if (obj->en_capture) {
806 obj->en_capture = false;
807
808 arm_tpiu_swo_close_output(obj);
809
810 target_unregister_timer_callback(arm_tpiu_swo_poll_trace, obj);
811
812 int retval1 = adapter_config_trace(false, 0, 0, NULL, 0, NULL);
813 if (retval1 != ERROR_OK)
814 command_print(CMD, "Failed to stop adapter's trace");
815 }
816 return retval;
817 }
818
819 COMMAND_HANDLER(handle_arm_tpiu_swo_disable)
820 {
821 struct arm_tpiu_swo_object *obj = CMD_DATA;
822
823 if (CMD_ARGC != 0)
824 return ERROR_COMMAND_SYNTAX_ERROR;
825
826 if (!obj->enabled)
827 return ERROR_OK;
828 obj->enabled = false;
829
830 arm_tpiu_swo_handle_event(obj, TPIU_SWO_EVENT_PRE_DISABLE);
831
832 if (obj->en_capture) {
833 obj->en_capture = false;
834
835 arm_tpiu_swo_close_output(obj);
836
837 target_unregister_timer_callback(arm_tpiu_swo_poll_trace, obj);
838
839 int retval = adapter_config_trace(false, 0, 0, NULL, 0, NULL);
840 if (retval != ERROR_OK) {
841 command_print(CMD, "Failed to stop adapter's trace");
842 return retval;
843 }
844 }
845
846 arm_tpiu_swo_handle_event(obj, TPIU_SWO_EVENT_POST_DISABLE);
847
848 /* START_DEPRECATED_TPIU */
849 struct target *target = get_current_target(CMD_CTX);
850 target_handle_event(target, TARGET_EVENT_TRACE_CONFIG);
851 /* END_DEPRECATED_TPIU */
852
853 return ERROR_OK;
854 }
855
856 static const struct command_registration arm_tpiu_swo_instance_command_handlers[] = {
857 {
858 .name = "configure",
859 .mode = COMMAND_ANY,
860 .jim_handler = jim_arm_tpiu_swo_configure,
861 .help = "configure a new TPIU/SWO for use",
862 .usage = "[attribute value ...]",
863 },
864 {
865 .name = "cget",
866 .mode = COMMAND_ANY,
867 .jim_handler = jim_arm_tpiu_swo_configure,
868 .help = "returns the specified TPIU/SWO attribute",
869 .usage = "attribute",
870 },
871 {
872 .name = "eventlist",
873 .mode = COMMAND_ANY,
874 .handler = handle_arm_tpiu_swo_event_list,
875 .help = "displays a table of events defined for this TPIU/SWO",
876 .usage = "",
877 },
878 {
879 .name = "enable",
880 .mode = COMMAND_ANY,
881 .handler = handle_arm_tpiu_swo_enable,
882 .usage = "",
883 .help = "Enables the TPIU/SWO output",
884 },
885 {
886 .name = "disable",
887 .mode = COMMAND_EXEC,
888 .handler = handle_arm_tpiu_swo_disable,
889 .usage = "",
890 .help = "Disables the TPIU/SWO output",
891 },
892 COMMAND_REGISTRATION_DONE
893 };
894
895 static int arm_tpiu_swo_create(Jim_Interp *interp, struct arm_tpiu_swo_object *obj)
896 {
897 struct command_context *cmd_ctx;
898 Jim_Cmd *cmd;
899 int e;
900
901 cmd_ctx = current_command_context(interp);
902 assert(cmd_ctx);
903
904 /* does this command exist? */
905 cmd = Jim_GetCommand(interp, Jim_NewStringObj(interp, obj->name, -1), JIM_NONE);
906 if (cmd) {
907 Jim_SetResultFormatted(interp, "cannot create TPIU object because a command with name '%s' already exists",
908 obj->name);
909 return JIM_ERR;
910 }
911
912 /* now - create the new tpiu/swo name command */
913 const struct command_registration obj_commands[] = {
914 {
915 .name = obj->name,
916 .mode = COMMAND_ANY,
917 .help = "tpiu/swo instance command group",
918 .usage = "",
919 .chain = arm_tpiu_swo_instance_command_handlers,
920 },
921 COMMAND_REGISTRATION_DONE
922 };
923 e = register_commands_with_data(cmd_ctx, NULL, obj_commands, obj);
924 if (e != ERROR_OK)
925 return JIM_ERR;
926
927 list_add_tail(&obj->lh, &all_tpiu_swo);
928
929 return JIM_OK;
930 }
931
932 static int jim_arm_tpiu_swo_create(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
933 {
934 struct jim_getopt_info goi;
935 jim_getopt_setup(&goi, interp, argc - 1, argv + 1);
936 if (goi.argc < 1) {
937 Jim_WrongNumArgs(interp, 1, argv, "name ?option option ...?");
938 return JIM_ERR;
939 }
940
941 struct arm_tpiu_swo_object *obj = calloc(1, sizeof(struct arm_tpiu_swo_object));
942 if (!obj) {
943 LOG_ERROR("Out of memory");
944 return JIM_ERR;
945 }
946 INIT_LIST_HEAD(&obj->connections);
947 adiv5_mem_ap_spot_init(&obj->spot);
948 obj->spot.base = TPIU_SWO_DEFAULT_BASE;
949 obj->port_width = 1;
950
951 Jim_Obj *n;
952 jim_getopt_obj(&goi, &n);
953 obj->name = strdup(Jim_GetString(n, NULL));
954 if (!obj->name) {
955 LOG_ERROR("Out of memory");
956 free(obj);
957 return JIM_ERR;
958 }
959
960 /* Do the rest as "configure" options */
961 goi.isconfigure = 1;
962 int e = arm_tpiu_swo_configure(&goi, obj);
963 if (e != JIM_OK)
964 goto err_exit;
965
966 if (!obj->spot.dap || obj->spot.ap_num == DP_APSEL_INVALID) {
967 Jim_SetResultString(goi.interp, "-dap and -ap-num required when creating TPIU", -1);
968 goto err_exit;
969 }
970
971 e = arm_tpiu_swo_create(goi.interp, obj);
972 if (e != JIM_OK)
973 goto err_exit;
974
975 return JIM_OK;
976
977 err_exit:
978 free(obj->name);
979 free(obj->out_filename);
980 free(obj);
981 return JIM_ERR;
982 }
983
984 COMMAND_HANDLER(handle_arm_tpiu_swo_names)
985 {
986 struct arm_tpiu_swo_object *obj;
987
988 if (CMD_ARGC != 0)
989 return ERROR_COMMAND_SYNTAX_ERROR;
990
991 list_for_each_entry(obj, &all_tpiu_swo, lh)
992 command_print(CMD, "%s", obj->name);
993
994 return ERROR_OK;
995 }
996
997 COMMAND_HANDLER(handle_arm_tpiu_swo_init)
998 {
999 struct arm_tpiu_swo_object *obj;
1000 int retval = ERROR_OK;
1001
1002 if (CMD_ARGC != 0)
1003 return ERROR_COMMAND_SYNTAX_ERROR;
1004
1005 list_for_each_entry(obj, &all_tpiu_swo, lh) {
1006 if (!obj->deferred_enable)
1007 continue;
1008 LOG_DEBUG("%s: running enable during init", obj->name);
1009 int retval2 = command_run_linef(CMD_CTX, "%s enable", obj->name);
1010 if (retval2 != ERROR_OK)
1011 retval = retval2;
1012 }
1013 return retval;
1014 }
1015
1016 /* START_DEPRECATED_TPIU */
1017 /* DEPRECATED: emulation of old command 'tpiu config' */
1018 COMMAND_HANDLER(handle_tpiu_deprecated_config_command)
1019 {
1020 struct target *target = get_current_target(CMD_CTX);
1021 struct arm_tpiu_swo_object *obj = NULL;
1022 int retval;
1023
1024 if (strcmp(target->type->name, "cortex_m") &&
1025 strcmp(target->type->name, "hla_target")) {
1026 LOG_ERROR(MSG "Current target is not a Cortex-M nor a HLA");
1027 return ERROR_FAIL;
1028 }
1029
1030 if (!list_empty(&all_tpiu_swo)) {
1031 obj = list_first_entry(&all_tpiu_swo, typeof(*obj), lh);
1032 LOG_INFO(MSG "Using %s", obj->name);
1033 } else {
1034 struct cortex_m_common *cm = target_to_cm(target);
1035 struct adiv5_private_config *pc = target->private_config;
1036 struct adiv5_dap *dap = pc->dap;
1037 uint64_t ap_num = pc->ap_num;
1038 bool set_recheck_ap_cur_target = false;
1039
1040 LOG_INFO(MSG "Adding a TPIU \'%s.tpiu\' in the configuration", target_name(target));
1041
1042 if (ap_num == DP_APSEL_INVALID && transport_is_hla())
1043 ap_num = 0; /* HLA should only support AP 0 */
1044
1045 if (ap_num == DP_APSEL_INVALID && target_was_examined(target))
1046 ap_num = cm->armv7m.debug_ap->ap_num;
1047
1048 if (ap_num == DP_APSEL_INVALID) {
1049 LOG_INFO(MSG "Target %s uses AP autodetection. Adding TPIU on AP 0; can be revised later",
1050 target_name(target));
1051 ap_num = 0;
1052 set_recheck_ap_cur_target = true;
1053 }
1054
1055 LOG_INFO(MSG "Running: \'tpiu create %s.tpiu -dap %s -ap-num 0x%" PRIx64 "\'",
1056 target_name(target), adiv5_dap_name(dap), ap_num);
1057
1058 retval = command_run_linef(CMD_CTX, "tpiu create %s.tpiu -dap %s -ap-num 0x%" PRIx64,
1059 target_name(target), adiv5_dap_name(dap), ap_num);
1060 if (retval != ERROR_OK)
1061 return retval;
1062
1063 obj = list_first_entry(&all_tpiu_swo, typeof(*obj), lh);
1064 if (set_recheck_ap_cur_target)
1065 obj->recheck_ap_cur_target = true;
1066 }
1067
1068 unsigned int cmd_idx = 0;
1069 if (cmd_idx == CMD_ARGC)
1070 return ERROR_COMMAND_SYNTAX_ERROR;
1071
1072 if (!strcmp(CMD_ARGV[cmd_idx], "disable")) {
1073 if (CMD_ARGC != cmd_idx + 1)
1074 return ERROR_COMMAND_SYNTAX_ERROR;
1075 LOG_INFO(MSG "Running: \'%s disable\'", obj->name);
1076 return command_run_linef(CMD_CTX, "%s disable", obj->name);
1077 }
1078
1079 const char *output = NULL;
1080 const char *protocol;
1081 const char *formatter = NULL;
1082 const char *port_width = NULL;
1083 const char *trace_clk;
1084 const char *pin_clk = NULL;
1085 if (!strcmp(CMD_ARGV[cmd_idx], "internal")) {
1086 cmd_idx++;
1087 if (cmd_idx == CMD_ARGC)
1088 return ERROR_COMMAND_SYNTAX_ERROR;
1089 output = CMD_ARGV[cmd_idx];
1090 } else if (strcmp(CMD_ARGV[cmd_idx], "external"))
1091 return ERROR_COMMAND_SYNTAX_ERROR;
1092 cmd_idx++;
1093 if (cmd_idx == CMD_ARGC)
1094 return ERROR_COMMAND_SYNTAX_ERROR;
1095 if (!strcmp(CMD_ARGV[cmd_idx], "sync")) {
1096 protocol = CMD_ARGV[cmd_idx];
1097 cmd_idx++;
1098 if (cmd_idx == CMD_ARGC)
1099 return ERROR_COMMAND_SYNTAX_ERROR;
1100 port_width = CMD_ARGV[cmd_idx];
1101 } else {
1102 if (strcmp(CMD_ARGV[cmd_idx], "manchester") && strcmp(CMD_ARGV[cmd_idx], "uart"))
1103 return ERROR_COMMAND_SYNTAX_ERROR;
1104 protocol = CMD_ARGV[cmd_idx];
1105 cmd_idx++;
1106 if (cmd_idx == CMD_ARGC)
1107 return ERROR_COMMAND_SYNTAX_ERROR;
1108 formatter = CMD_ARGV[cmd_idx];
1109 }
1110 cmd_idx++;
1111 if (cmd_idx == CMD_ARGC)
1112 return ERROR_COMMAND_SYNTAX_ERROR;
1113 trace_clk = CMD_ARGV[cmd_idx];
1114 cmd_idx++;
1115 if (cmd_idx != CMD_ARGC) {
1116 pin_clk = CMD_ARGV[cmd_idx];
1117 cmd_idx++;
1118 }
1119 if (cmd_idx != CMD_ARGC)
1120 return ERROR_COMMAND_SYNTAX_ERROR;
1121
1122 LOG_INFO(MSG "Running: \'%s configure -protocol %s -traceclk %s" "%s%s" "%s%s" "%s%s" "%s%s\'",
1123 obj->name, protocol, trace_clk,
1124 pin_clk ? " -pin-freq " : "", pin_clk ? pin_clk : "",
1125 output ? " -output " : "", output ? output : "",
1126 formatter ? " -formatter " : "", formatter ? formatter : "",
1127 port_width ? " -port-width " : "", port_width ? port_width : "");
1128
1129 retval = command_run_linef(CMD_CTX,
1130 "%s configure -protocol %s -traceclk %s" "%s%s" "%s%s" "%s%s" "%s%s",
1131 obj->name, protocol, trace_clk,
1132 pin_clk ? " -pin-freq " : "", pin_clk ? pin_clk : "",
1133 output ? " -output " : "", output ? output : "",
1134 formatter ? " -formatter " : "", formatter ? formatter : "",
1135 port_width ? " -port-width " : "", port_width ? port_width : "");
1136 if (retval != ERROR_OK)
1137 return retval;
1138
1139 LOG_INFO(MSG "Running: \'%s enable\'", obj->name);
1140 retval = command_run_linef(CMD_CTX, "%s enable", obj->name);
1141 if (retval != ERROR_OK)
1142 return retval;
1143
1144 return ERROR_OK;
1145 }
1146
1147 static const struct command_registration arm_tpiu_deprecated_subcommand_handlers[] = {
1148 {
1149 .name = "config",
1150 .handler = handle_tpiu_deprecated_config_command,
1151 .mode = COMMAND_ANY,
1152 .help = "Configure TPIU features, DEPRECATED, use \'tpiu create\'",
1153 .usage = "(disable | "
1154 "((external | internal (<filename> | <:port> | -)) "
1155 "(sync <port width> | ((manchester | uart) <formatter enable>)) "
1156 "<TRACECLKIN freq> [<trace freq>]))",
1157 },
1158 COMMAND_REGISTRATION_DONE
1159 };
1160
1161 const struct command_registration arm_tpiu_deprecated_command_handlers[] = {
1162 {
1163 .name = "tpiu",
1164 .chain = arm_tpiu_deprecated_subcommand_handlers,
1165 .usage = "",
1166 .help = "tpiu command group",
1167 },
1168 COMMAND_REGISTRATION_DONE
1169 };
1170 /* END_DEPRECATED_TPIU */
1171
1172 static const struct command_registration arm_tpiu_swo_subcommand_handlers[] = {
1173 {
1174 .name = "create",
1175 .mode = COMMAND_ANY,
1176 .jim_handler = jim_arm_tpiu_swo_create,
1177 .usage = "name [-dap dap] [-ap-num num] [-baseaddr baseaddr]",
1178 .help = "Creates a new TPIU or SWO object",
1179 },
1180 {
1181 .name = "names",
1182 .mode = COMMAND_ANY,
1183 .handler = handle_arm_tpiu_swo_names,
1184 .usage = "",
1185 .help = "Lists all registered TPIU and SWO objects by name",
1186 },
1187 {
1188 .name = "init",
1189 .mode = COMMAND_EXEC,
1190 .handler = handle_arm_tpiu_swo_init,
1191 .usage = "",
1192 .help = "Initialize TPIU and SWO",
1193 },
1194 COMMAND_REGISTRATION_DONE
1195 };
1196
1197 static const struct command_registration arm_tpiu_swo_command_handlers[] = {
1198 {
1199 .name = "tpiu",
1200 .chain = arm_tpiu_swo_subcommand_handlers,
1201 .usage = "",
1202 .help = "tpiu command group",
1203 },
1204 {
1205 .name = "swo",
1206 .chain = arm_tpiu_swo_subcommand_handlers,
1207 .usage = "",
1208 .help = "swo command group",
1209 },
1210 COMMAND_REGISTRATION_DONE
1211 };
1212
1213 int arm_tpiu_swo_register_commands(struct command_context *cmd_ctx)
1214 {
1215 return register_commands(cmd_ctx, NULL, arm_tpiu_swo_command_handlers);
1216 }
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