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arm11: do not use dynamic arrays
[openocd/cortex.git] / src / jtag / tcl.c
blob7307f64e3cf49ea695241e28c67a3db2fb058bde
1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
4 * *
5 * Copyright (C) 2007,2008 Øyvind Harboe *
6 * oyvind.harboe@zylin.com *
7 * *
8 * Copyright (C) 2009 SoftPLC Corporation *
9 * http://softplc.com *
10 * dick@softplc.com *
11 * *
12 * Copyright (C) 2009 Zachary T Welch *
13 * zw@superlucidity.net *
14 * *
15 * This program is free software; you can redistribute it and/or modify *
16 * it under the terms of the GNU General Public License as published by *
17 * the Free Software Foundation; either version 2 of the License, or *
18 * (at your option) any later version. *
19 * *
20 * This program is distributed in the hope that it will be useful, *
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
23 * GNU General Public License for more details. *
24 * *
25 * You should have received a copy of the GNU General Public License *
26 * along with this program; if not, write to the *
27 * Free Software Foundation, Inc., *
28 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
29 ***************************************************************************/
30 #ifdef HAVE_CONFIG_H
31 #include "config.h"
32 #endif
33
34 #include "jtag.h"
35 #include "minidriver.h"
36 #include "interface.h"
37 #include "interfaces.h"
38
39 #ifdef HAVE_STRINGS_H
40 #include <strings.h>
41 #endif
42
43 static const Jim_Nvp nvp_jtag_tap_event[] = {
44 { .value = JTAG_TRST_ASSERTED, .name = "post-reset" },
45 { .value = JTAG_TAP_EVENT_SETUP, .name = "setup" },
46 { .value = JTAG_TAP_EVENT_ENABLE, .name = "tap-enable" },
47 { .value = JTAG_TAP_EVENT_DISABLE, .name = "tap-disable" },
48
49 { .name = NULL, .value = -1 }
50 };
51
52 extern struct jtag_interface *jtag_interface;
53
54 enum jtag_tap_cfg_param {
55 JCFG_EVENT
56 };
57
58 static Jim_Nvp nvp_config_opts[] = {
59 { .name = "-event", .value = JCFG_EVENT },
60
61 { .name = NULL, .value = -1 }
62 };
63
64 static int jtag_tap_configure_cmd(Jim_GetOptInfo *goi, struct jtag_tap * tap)
65 {
66 Jim_Nvp *n;
67 Jim_Obj *o;
68 int e;
69
70 /* parse config or cget options */
71 while (goi->argc > 0) {
72 Jim_SetEmptyResult (goi->interp);
73
74 e = Jim_GetOpt_Nvp(goi, nvp_config_opts, &n);
75 if (e != JIM_OK) {
76 Jim_GetOpt_NvpUnknown(goi, nvp_config_opts, 0);
77 return e;
78 }
79
80 switch (n->value) {
81 case JCFG_EVENT:
82 if (goi->argc == 0) {
83 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
84 return JIM_ERR;
85 }
86
87 e = Jim_GetOpt_Nvp(goi, nvp_jtag_tap_event, &n);
88 if (e != JIM_OK) {
89 Jim_GetOpt_NvpUnknown(goi, nvp_jtag_tap_event, 1);
90 return e;
91 }
92
93 if (goi->isconfigure) {
94 if (goi->argc != 1) {
95 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
96 return JIM_ERR;
97 }
98 } else {
99 if (goi->argc != 0) {
100 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
101 return JIM_ERR;
102 }
103 }
104
105 {
106 struct jtag_tap_event_action *jteap;
107
108 jteap = tap->event_action;
109 /* replace existing? */
110 while (jteap) {
111 if (jteap->event == (enum jtag_event)n->value) {
112 break;
113 }
114 jteap = jteap->next;
115 }
116
117 if (goi->isconfigure) {
118 bool replace = true;
119 if (jteap == NULL) {
120 /* create new */
121 jteap = calloc(1, sizeof (*jteap));
122 replace = false;
123 }
124 jteap->event = n->value;
125 Jim_GetOpt_Obj(goi, &o);
126 if (jteap->body) {
127 Jim_DecrRefCount(interp, jteap->body);
128 }
129 jteap->body = Jim_DuplicateObj(goi->interp, o);
130 Jim_IncrRefCount(jteap->body);
131
132 if (!replace)
133 {
134 /* add to head of event list */
135 jteap->next = tap->event_action;
136 tap->event_action = jteap;
137 }
138 Jim_SetEmptyResult(goi->interp);
139 } else {
140 /* get */
141 if (jteap == NULL) {
142 Jim_SetEmptyResult(goi->interp);
143 } else {
144 Jim_SetResult(goi->interp, Jim_DuplicateObj(goi->interp, jteap->body));
145 }
146 }
147 }
148 /* loop for more */
149 break;
150 }
151 } /* while (goi->argc) */
152
153 return JIM_OK;
154 }
155
156 static int is_bad_irval(int ir_length, jim_wide w)
157 {
158 jim_wide v = 1;
159
160 v <<= ir_length;
161 v -= 1;
162 v = ~v;
163 return (w & v) != 0;
164 }
165
166 static int jim_newtap_cmd(Jim_GetOptInfo *goi)
167 {
168 struct jtag_tap *pTap;
169 jim_wide w;
170 int x;
171 int e;
172 Jim_Nvp *n;
173 char *cp;
174 const Jim_Nvp opts[] = {
175 #define NTAP_OPT_IRLEN 0
176 { .name = "-irlen" , .value = NTAP_OPT_IRLEN },
177 #define NTAP_OPT_IRMASK 1
178 { .name = "-irmask" , .value = NTAP_OPT_IRMASK },
179 #define NTAP_OPT_IRCAPTURE 2
180 { .name = "-ircapture" , .value = NTAP_OPT_IRCAPTURE },
181 #define NTAP_OPT_ENABLED 3
182 { .name = "-enable" , .value = NTAP_OPT_ENABLED },
183 #define NTAP_OPT_DISABLED 4
184 { .name = "-disable" , .value = NTAP_OPT_DISABLED },
185 #define NTAP_OPT_EXPECTED_ID 5
186 { .name = "-expected-id" , .value = NTAP_OPT_EXPECTED_ID },
187 { .name = NULL , .value = -1 },
188 };
189
190 pTap = calloc(1, sizeof(struct jtag_tap));
191 if (!pTap) {
192 Jim_SetResult_sprintf(goi->interp, "no memory");
193 return JIM_ERR;
194 }
195
196 /*
197 * we expect CHIP + TAP + OPTIONS
198 * */
199 if (goi->argc < 3) {
200 Jim_SetResult_sprintf(goi->interp, "Missing CHIP TAP OPTIONS ....");
201 free(pTap);
202 return JIM_ERR;
203 }
204 Jim_GetOpt_String(goi, &cp, NULL);
205 pTap->chip = strdup(cp);
206
207 Jim_GetOpt_String(goi, &cp, NULL);
208 pTap->tapname = strdup(cp);
209
210 /* name + dot + name + null */
211 x = strlen(pTap->chip) + 1 + strlen(pTap->tapname) + 1;
212 cp = malloc(x);
213 sprintf(cp, "%s.%s", pTap->chip, pTap->tapname);
214 pTap->dotted_name = cp;
215
216 LOG_DEBUG("Creating New Tap, Chip: %s, Tap: %s, Dotted: %s, %d params",
217 pTap->chip, pTap->tapname, pTap->dotted_name, goi->argc);
218
219 /* IEEE specifies that the two LSBs of an IR scan are 01, so make
220 * that the default. The "-irlen" and "-irmask" options are only
221 * needed to cope with nonstandard TAPs, or to specify more bits.
222 */
223 pTap->ir_capture_mask = 0x03;
224 pTap->ir_capture_value = 0x01;
225
226 while (goi->argc) {
227 e = Jim_GetOpt_Nvp(goi, opts, &n);
228 if (e != JIM_OK) {
229 Jim_GetOpt_NvpUnknown(goi, opts, 0);
230 free((void *)pTap->dotted_name);
231 free(pTap);
232 return e;
233 }
234 LOG_DEBUG("Processing option: %s", n->name);
235 switch (n->value) {
236 case NTAP_OPT_ENABLED:
237 pTap->disabled_after_reset = false;
238 break;
239 case NTAP_OPT_DISABLED:
240 pTap->disabled_after_reset = true;
241 break;
242 case NTAP_OPT_EXPECTED_ID:
243 {
244 uint32_t *new_expected_ids;
245
246 e = Jim_GetOpt_Wide(goi, &w);
247 if (e != JIM_OK) {
248 Jim_SetResult_sprintf(goi->interp, "option: %s bad parameter", n->name);
249 free((void *)pTap->dotted_name);
250 free(pTap);
251 return e;
252 }
253
254 new_expected_ids = malloc(sizeof(uint32_t) * (pTap->expected_ids_cnt + 1));
255 if (new_expected_ids == NULL) {
256 Jim_SetResult_sprintf(goi->interp, "no memory");
257 free((void *)pTap->dotted_name);
258 free(pTap);
259 return JIM_ERR;
260 }
261
262 memcpy(new_expected_ids, pTap->expected_ids, sizeof(uint32_t) * pTap->expected_ids_cnt);
263
264 new_expected_ids[pTap->expected_ids_cnt] = w;
265
266 free(pTap->expected_ids);
267 pTap->expected_ids = new_expected_ids;
268 pTap->expected_ids_cnt++;
269 break;
270 }
271 case NTAP_OPT_IRLEN:
272 case NTAP_OPT_IRMASK:
273 case NTAP_OPT_IRCAPTURE:
274 e = Jim_GetOpt_Wide(goi, &w);
275 if (e != JIM_OK) {
276 Jim_SetResult_sprintf(goi->interp, "option: %s bad parameter", n->name);
277 free((void *)pTap->dotted_name);
278 free(pTap);
279 return e;
280 }
281 switch (n->value) {
282 case NTAP_OPT_IRLEN:
283 if (w > (jim_wide) (8 * sizeof(pTap->ir_capture_value)))
284 LOG_WARNING("%s: huge IR length %d",
285 pTap->dotted_name,
286 (int) w);
287 pTap->ir_length = w;
288 break;
289 case NTAP_OPT_IRMASK:
290 if (is_bad_irval(pTap->ir_length, w)) {
291 LOG_ERROR("%s: IR mask %x too big",
292 pTap->dotted_name,
293 (int) w);
294 free((void *)pTap->dotted_name);
295 free(pTap);
296 return ERROR_FAIL;
297 }
298 if ((w & 3) != 3)
299 LOG_WARNING("%s: nonstandard IR mask",
300 pTap->dotted_name);
301 pTap->ir_capture_mask = w;
302 break;
303 case NTAP_OPT_IRCAPTURE:
304 if (is_bad_irval(pTap->ir_length, w)) {
305 LOG_ERROR("%s: IR capture %x too big",
306 pTap->dotted_name,
307 (int) w);
308 free((void *)pTap->dotted_name);
309 free(pTap);
310 return ERROR_FAIL;
311 }
312 if ((w & 3) != 1)
313 LOG_WARNING("%s: nonstandard IR value",
314 pTap->dotted_name);
315 pTap->ir_capture_value = w;
316 break;
317 }
318 } /* switch (n->value) */
319 } /* while (goi->argc) */
320
321 /* default is enabled-after-reset */
322 pTap->enabled = !pTap->disabled_after_reset;
323
324 /* Did all the required option bits get cleared? */
325 if (pTap->ir_length != 0)
326 {
327 jtag_tap_init(pTap);
328 return ERROR_OK;
329 }
330
331 Jim_SetResult_sprintf(goi->interp,
332 "newtap: %s missing IR length",
333 pTap->dotted_name);
334 jtag_tap_free(pTap);
335 return JIM_ERR;
336 }
337
338 static void jtag_tap_handle_event(struct jtag_tap *tap, enum jtag_event e)
339 {
340 struct jtag_tap_event_action * jteap;
341
342 for (jteap = tap->event_action; jteap != NULL; jteap = jteap->next) {
343 if (jteap->event == e) {
344 LOG_DEBUG("JTAG tap: %s event: %d (%s)\n\taction: %s",
345 tap->dotted_name,
346 e,
347 Jim_Nvp_value2name_simple(nvp_jtag_tap_event, e)->name,
348 Jim_GetString(jteap->body, NULL));
349 if (Jim_EvalObj(interp, jteap->body) != JIM_OK) {
350 Jim_PrintErrorMessage(interp);
351 } else switch (e) {
352 case JTAG_TAP_EVENT_ENABLE:
353 case JTAG_TAP_EVENT_DISABLE:
354 /* NOTE: we currently assume the handlers
355 * can't fail. Right here is where we should
356 * really be verifying the scan chains ...
357 */
358 tap->enabled = (e == JTAG_TAP_EVENT_ENABLE);
359 LOG_INFO("JTAG tap: %s %s", tap->dotted_name,
360 tap->enabled ? "enabled" : "disabled");
361 break;
362 default:
363 break;
364 }
365 }
366 }
367 }
368
369
370 static int jim_jtag_command(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
371 {
372 Jim_GetOptInfo goi;
373 int e;
374 Jim_Nvp *n;
375 Jim_Obj *o;
376 struct command_context *context;
377
378 enum {
379 JTAG_CMD_INTERFACE,
380 JTAG_CMD_INIT,
381 JTAG_CMD_INIT_RESET,
382 JTAG_CMD_NEWTAP,
383 JTAG_CMD_TAPENABLE,
384 JTAG_CMD_TAPDISABLE,
385 JTAG_CMD_TAPISENABLED,
386 JTAG_CMD_CONFIGURE,
387 JTAG_CMD_CGET,
388 JTAG_CMD_NAMES,
389 };
390
391 const Jim_Nvp jtag_cmds[] = {
392 { .name = "interface" , .value = JTAG_CMD_INTERFACE },
393 { .name = "arp_init" , .value = JTAG_CMD_INIT },
394 { .name = "arp_init-reset", .value = JTAG_CMD_INIT_RESET },
395 { .name = "newtap" , .value = JTAG_CMD_NEWTAP },
396 { .name = "tapisenabled" , .value = JTAG_CMD_TAPISENABLED },
397 { .name = "tapenable" , .value = JTAG_CMD_TAPENABLE },
398 { .name = "tapdisable" , .value = JTAG_CMD_TAPDISABLE },
399 { .name = "configure" , .value = JTAG_CMD_CONFIGURE },
400 { .name = "cget" , .value = JTAG_CMD_CGET },
401 { .name = "names" , .value = JTAG_CMD_NAMES },
402
403 { .name = NULL, .value = -1 },
404 };
405
406 context = Jim_GetAssocData(interp, "context");
407 /* go past the command */
408 Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
409
410 e = Jim_GetOpt_Nvp(&goi, jtag_cmds, &n);
411 if (e != JIM_OK) {
412 Jim_GetOpt_NvpUnknown(&goi, jtag_cmds, 0);
413 return e;
414 }
415 Jim_SetEmptyResult(goi.interp);
416 switch (n->value) {
417 case JTAG_CMD_INTERFACE:
418 /* return the name of the interface */
419 /* TCL code might need to know the exact type... */
420 /* FUTURE: we allow this as a means to "set" the interface. */
421 if (goi.argc != 0) {
422 Jim_WrongNumArgs(goi.interp, 1, goi.argv-1, "(no params)");
423 return JIM_ERR;
424 }
425 const char *name = jtag_interface ? jtag_interface->name : NULL;
426 Jim_SetResultString(goi.interp, name ? : "undefined", -1);
427 return JIM_OK;
428 case JTAG_CMD_INIT:
429 if (goi.argc != 0) {
430 Jim_WrongNumArgs(goi.interp, 1, goi.argv-1, "(no params)");
431 return JIM_ERR;
432 }
433 e = jtag_init_inner(context);
434 if (e != ERROR_OK) {
435 Jim_SetResult_sprintf(goi.interp, "error: %d", e);
436 return JIM_ERR;
437 }
438 return JIM_OK;
439 case JTAG_CMD_INIT_RESET:
440 if (goi.argc != 0) {
441 Jim_WrongNumArgs(goi.interp, 1, goi.argv-1, "(no params)");
442 return JIM_ERR;
443 }
444 e = jtag_init_reset(context);
445 if (e != ERROR_OK) {
446 Jim_SetResult_sprintf(goi.interp, "error: %d", e);
447 return JIM_ERR;
448 }
449 return JIM_OK;
450 case JTAG_CMD_NEWTAP:
451 return jim_newtap_cmd(&goi);
452 break;
453 case JTAG_CMD_TAPISENABLED:
454 case JTAG_CMD_TAPENABLE:
455 case JTAG_CMD_TAPDISABLE:
456 if (goi.argc != 1) {
457 Jim_SetResultString(goi.interp, "Too many parameters",-1);
458 return JIM_ERR;
459 }
460
461 {
462 struct jtag_tap *t;
463
464 t = jtag_tap_by_jim_obj(goi.interp, goi.argv[0]);
465 if (t == NULL)
466 return JIM_ERR;
467
468 switch (n->value) {
469 case JTAG_CMD_TAPISENABLED:
470 break;
471 case JTAG_CMD_TAPENABLE:
472 if (t->enabled)
473 break;
474 jtag_tap_handle_event(t, JTAG_TAP_EVENT_ENABLE);
475 if (!t->enabled)
476 break;
477
478 /* FIXME add JTAG sanity checks, w/o TLR
479 * - scan chain length grew by one (this)
480 * - IDs and IR lengths are as expected
481 */
482
483 jtag_call_event_callbacks(JTAG_TAP_EVENT_ENABLE);
484 break;
485 case JTAG_CMD_TAPDISABLE:
486 if (!t->enabled)
487 break;
488 jtag_tap_handle_event(t, JTAG_TAP_EVENT_DISABLE);
489 if (t->enabled)
490 break;
491
492 /* FIXME add JTAG sanity checks, w/o TLR
493 * - scan chain length shrank by one (this)
494 * - IDs and IR lengths are as expected
495 */
496
497 jtag_call_event_callbacks(JTAG_TAP_EVENT_DISABLE);
498 break;
499 }
500 e = t->enabled;
501 Jim_SetResult(goi.interp, Jim_NewIntObj(goi.interp, e));
502 return JIM_OK;
503 }
504 break;
505
506 case JTAG_CMD_CGET:
507 if (goi.argc < 2) {
508 Jim_WrongNumArgs(goi.interp, 0, NULL,
509 "cget tap_name queryparm");
510 return JIM_ERR;
511 }
512
513 {
514 struct jtag_tap *t;
515
516 Jim_GetOpt_Obj(&goi, &o);
517 t = jtag_tap_by_jim_obj(goi.interp, o);
518 if (t == NULL) {
519 return JIM_ERR;
520 }
521
522 goi.isconfigure = 0;
523 return jtag_tap_configure_cmd(&goi, t);
524 }
525 break;
526
527 case JTAG_CMD_CONFIGURE:
528 if (goi.argc < 3) {
529 Jim_WrongNumArgs(goi.interp, 0, NULL,
530 "configure tap_name attribute value ...");
531 return JIM_ERR;
532 }
533
534 {
535 struct jtag_tap *t;
536
537 Jim_GetOpt_Obj(&goi, &o);
538 t = jtag_tap_by_jim_obj(goi.interp, o);
539 if (t == NULL) {
540 return JIM_ERR;
541 }
542
543 goi.isconfigure = 1;
544 return jtag_tap_configure_cmd(&goi, t);
545 }
546 break;
547
548 case JTAG_CMD_NAMES:
549 if (goi.argc != 0) {
550 Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
551 return JIM_ERR;
552 }
553 Jim_SetResult(goi.interp, Jim_NewListObj(goi.interp, NULL, 0));
554 {
555 struct jtag_tap *tap;
556
557 for (tap = jtag_all_taps(); tap; tap = tap->next_tap) {
558 Jim_ListAppendElement(goi.interp,
559 Jim_GetResult(goi.interp),
560 Jim_NewStringObj(goi.interp,
561 tap->dotted_name, -1));
562 }
563 return JIM_OK;
564 }
565 break;
566
567 }
568
569 return JIM_ERR;
570 }
571
572
573 void jtag_notify_event(enum jtag_event event)
574 {
575 struct jtag_tap *tap;
576
577 for (tap = jtag_all_taps(); tap; tap = tap->next_tap)
578 jtag_tap_handle_event(tap, event);
579 }
580
581
582 static int default_khz(int khz, int *jtag_speed)
583 {
584 LOG_ERROR("Translation from khz to jtag_speed not implemented");
585 return ERROR_FAIL;
586 }
587
588 static int default_speed_div(int speed, int *khz)
589 {
590 LOG_ERROR("Translation from jtag_speed to khz not implemented");
591 return ERROR_FAIL;
592 }
593
594 static int default_power_dropout(int *dropout)
595 {
596 *dropout = 0; /* by default we can't detect power dropout */
597 return ERROR_OK;
598 }
599
600 static int default_srst_asserted(int *srst_asserted)
601 {
602 *srst_asserted = 0; /* by default we can't detect srst asserted */
603 return ERROR_OK;
604 }
605
606 COMMAND_HANDLER(handle_interface_list_command)
607 {
608 if (strcmp(CMD_NAME, "interface_list") == 0 && CMD_ARGC > 0)
609 return ERROR_COMMAND_SYNTAX_ERROR;
610
611 command_print(CMD_CTX, "The following JTAG interfaces are available:");
612 for (unsigned i = 0; NULL != jtag_interfaces[i]; i++)
613 {
614 const char *name = jtag_interfaces[i]->name;
615 command_print(CMD_CTX, "%u: %s", i + 1, name);
616 }
617
618 return ERROR_OK;
619 }
620
621 COMMAND_HANDLER(handle_interface_command)
622 {
623 /* check whether the interface is already configured */
624 if (jtag_interface)
625 {
626 LOG_WARNING("Interface already configured, ignoring");
627 return ERROR_OK;
628 }
629
630 /* interface name is a mandatory argument */
631 if (CMD_ARGC != 1 || CMD_ARGV[0][0] == '\0')
632 return ERROR_COMMAND_SYNTAX_ERROR;
633
634 for (unsigned i = 0; NULL != jtag_interfaces[i]; i++)
635 {
636 if (strcmp(CMD_ARGV[0], jtag_interfaces[i]->name) != 0)
637 continue;
638
639 if (NULL != jtag_interfaces[i]->register_commands)
640 {
641 int retval = jtag_interfaces[i]->register_commands(CMD_CTX);
642 if (ERROR_OK != retval)
643 return retval;
644 }
645
646 jtag_interface = jtag_interfaces[i];
647
648 if (jtag_interface->khz == NULL)
649 jtag_interface->khz = default_khz;
650 if (jtag_interface->speed_div == NULL)
651 jtag_interface->speed_div = default_speed_div;
652 if (jtag_interface->power_dropout == NULL)
653 jtag_interface->power_dropout = default_power_dropout;
654 if (jtag_interface->srst_asserted == NULL)
655 jtag_interface->srst_asserted = default_srst_asserted;
656
657 return ERROR_OK;
658 }
659
660 /* no valid interface was found (i.e. the configuration option,
661 * didn't match one of the compiled-in interfaces
662 */
663 LOG_ERROR("The specified JTAG interface was not found (%s)", CMD_ARGV[0]);
664 CALL_COMMAND_HANDLER(handle_interface_list_command);
665 return ERROR_JTAG_INVALID_INTERFACE;
666 }
667
668 COMMAND_HANDLER(handle_scan_chain_command)
669 {
670 struct jtag_tap *tap;
671
672 tap = jtag_all_taps();
673 command_print(CMD_CTX, " TapName | Enabled | IdCode Expected IrLen IrCap IrMask Instr ");
674 command_print(CMD_CTX, "---|--------------------|---------|------------|------------|------|------|------|---------");
675
676 while (tap) {
677 uint32_t expected, expected_mask, cur_instr, ii;
678 expected = buf_get_u32(tap->expected, 0, tap->ir_length);
679 expected_mask = buf_get_u32(tap->expected_mask, 0, tap->ir_length);
680 cur_instr = buf_get_u32(tap->cur_instr, 0, tap->ir_length);
681
682 command_print(CMD_CTX,
683 "%2d | %-18s | %c | 0x%08x | 0x%08x | 0x%02x | 0x%02x | 0x%02x | 0x%02x",
684 tap->abs_chain_position,
685 tap->dotted_name,
686 tap->enabled ? 'Y' : 'n',
687 (unsigned int)(tap->idcode),
688 (unsigned int)(tap->expected_ids_cnt > 0 ? tap->expected_ids[0] : 0),
689 (unsigned int)(tap->ir_length),
690 (unsigned int)(expected),
691 (unsigned int)(expected_mask),
692 (unsigned int)(cur_instr));
693
694 for (ii = 1; ii < tap->expected_ids_cnt; ii++) {
695 command_print(CMD_CTX, " | | | | 0x%08x | | | | ",
696 (unsigned int)(tap->expected_ids[ii]));
697 }
698
699 tap = tap->next_tap;
700 }
701
702 return ERROR_OK;
703 }
704
705 COMMAND_HANDLER(handle_reset_config_command)
706 {
707 int new_cfg = 0;
708 int mask = 0;
709
710 /* Original versions cared about the order of these tokens:
711 * reset_config signals [combination [trst_type [srst_type]]]
712 * They also clobbered the previous configuration even on error.
713 *
714 * Here we don't care about the order, and only change values
715 * which have been explicitly specified.
716 */
717 for (; CMD_ARGC; CMD_ARGC--, CMD_ARGV++) {
718 int tmp = 0;
719 int m;
720
721 /* gating */
722 m = RESET_SRST_NO_GATING;
723 if (strcmp(*CMD_ARGV, "srst_gates_jtag") == 0)
724 /* default: don't use JTAG while SRST asserted */;
725 else if (strcmp(*CMD_ARGV, "srst_nogate") == 0)
726 tmp = RESET_SRST_NO_GATING;
727 else
728 m = 0;
729 if (mask & m) {
730 LOG_ERROR("extra reset_config %s spec (%s)",
731 "gating", *CMD_ARGV);
732 return ERROR_INVALID_ARGUMENTS;
733 }
734 if (m)
735 goto next;
736
737 /* signals */
738 m = RESET_HAS_TRST | RESET_HAS_SRST;
739 if (strcmp(*CMD_ARGV, "none") == 0)
740 tmp = RESET_NONE;
741 else if (strcmp(*CMD_ARGV, "trst_only") == 0)
742 tmp = RESET_HAS_TRST;
743 else if (strcmp(*CMD_ARGV, "srst_only") == 0)
744 tmp = RESET_HAS_SRST;
745 else if (strcmp(*CMD_ARGV, "trst_and_srst") == 0)
746 tmp = RESET_HAS_TRST | RESET_HAS_SRST;
747 else
748 m = 0;
749 if (mask & m) {
750 LOG_ERROR("extra reset_config %s spec (%s)",
751 "signal", *CMD_ARGV);
752 return ERROR_INVALID_ARGUMENTS;
753 }
754 if (m)
755 goto next;
756
757 /* combination (options for broken wiring) */
758 m = RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST;
759 if (strcmp(*CMD_ARGV, "separate") == 0)
760 /* separate reset lines - default */;
761 else if (strcmp(*CMD_ARGV, "srst_pulls_trst") == 0)
762 tmp |= RESET_SRST_PULLS_TRST;
763 else if (strcmp(*CMD_ARGV, "trst_pulls_srst") == 0)
764 tmp |= RESET_TRST_PULLS_SRST;
765 else if (strcmp(*CMD_ARGV, "combined") == 0)
766 tmp |= RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST;
767 else
768 m = 0;
769 if (mask & m) {
770 LOG_ERROR("extra reset_config %s spec (%s)",
771 "combination", *CMD_ARGV);
772 return ERROR_INVALID_ARGUMENTS;
773 }
774 if (m)
775 goto next;
776
777 /* trst_type (NOP without HAS_TRST) */
778 m = RESET_TRST_OPEN_DRAIN;
779 if (strcmp(*CMD_ARGV, "trst_open_drain") == 0)
780 tmp |= RESET_TRST_OPEN_DRAIN;
781 else if (strcmp(*CMD_ARGV, "trst_push_pull") == 0)
782 /* push/pull from adapter - default */;
783 else
784 m = 0;
785 if (mask & m) {
786 LOG_ERROR("extra reset_config %s spec (%s)",
787 "trst_type", *CMD_ARGV);
788 return ERROR_INVALID_ARGUMENTS;
789 }
790 if (m)
791 goto next;
792
793 /* srst_type (NOP without HAS_SRST) */
794 m |= RESET_SRST_PUSH_PULL;
795 if (strcmp(*CMD_ARGV, "srst_push_pull") == 0)
796 tmp |= RESET_SRST_PUSH_PULL;
797 else if (strcmp(*CMD_ARGV, "srst_open_drain") == 0)
798 /* open drain from adapter - default */;
799 else
800 m = 0;
801 if (mask & m) {
802 LOG_ERROR("extra reset_config %s spec (%s)",
803 "srst_type", *CMD_ARGV);
804 return ERROR_INVALID_ARGUMENTS;
805 }
806 if (m)
807 goto next;
808
809 /* caller provided nonsense; fail */
810 LOG_ERROR("unknown reset_config flag (%s)", *CMD_ARGV);
811 return ERROR_INVALID_ARGUMENTS;
812
813 next:
814 /* Remember the bits which were specified (mask)
815 * and their new values (new_cfg).
816 */
817 mask |= m;
818 new_cfg |= tmp;
819 }
820
821 /* clear previous values of those bits, save new values */
822 if (mask) {
823 int old_cfg = jtag_get_reset_config();
824
825 old_cfg &= ~mask;
826 new_cfg |= old_cfg;
827 jtag_set_reset_config(new_cfg);
828 } else
829 new_cfg = jtag_get_reset_config();
830
831
832 /*
833 * Display the (now-)current reset mode
834 */
835 char *modes[5];
836
837 /* minimal JTAG has neither SRST nor TRST (so that's the default) */
838 switch (new_cfg & (RESET_HAS_TRST | RESET_HAS_SRST)) {
839 case RESET_HAS_SRST:
840 modes[0] = "srst_only";
841 break;
842 case RESET_HAS_TRST:
843 modes[0] = "trst_only";
844 break;
845 case RESET_TRST_AND_SRST:
846 modes[0] = "trst_and_srst";
847 break;
848 default:
849 modes[0] = "none";
850 break;
851 }
852
853 /* normally SRST and TRST are decoupled; but bugs happen ... */
854 switch (new_cfg & (RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST)) {
855 case RESET_SRST_PULLS_TRST:
856 modes[1] = "srst_pulls_trst";
857 break;
858 case RESET_TRST_PULLS_SRST:
859 modes[1] = "trst_pulls_srst";
860 break;
861 case RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST:
862 modes[1] = "combined";
863 break;
864 default:
865 modes[1] = "separate";
866 break;
867 }
868
869 /* TRST-less connectors include Altera, Xilinx, and minimal JTAG */
870 if (new_cfg & RESET_HAS_TRST) {
871 if (new_cfg & RESET_TRST_OPEN_DRAIN)
872 modes[3] = " trst_open_drain";
873 else
874 modes[3] = " trst_push_pull";
875 } else
876 modes[3] = "";
877
878 /* SRST-less connectors include TI-14, Xilinx, and minimal JTAG */
879 if (new_cfg & RESET_HAS_SRST) {
880 if (new_cfg & RESET_SRST_NO_GATING)
881 modes[2] = " srst_nogate";
882 else
883 modes[2] = " srst_gates_jtag";
884
885 if (new_cfg & RESET_SRST_PUSH_PULL)
886 modes[4] = " srst_push_pull";
887 else
888 modes[4] = " srst_open_drain";
889 } else {
890 modes[2] = "";
891 modes[4] = "";
892 }
893
894 command_print(CMD_CTX, "%s %s%s%s%s",
895 modes[0], modes[1],
896 modes[2], modes[3], modes[4]);
897
898 return ERROR_OK;
899 }
900
901 COMMAND_HANDLER(handle_jtag_nsrst_delay_command)
902 {
903 if (CMD_ARGC > 1)
904 return ERROR_COMMAND_SYNTAX_ERROR;
905 if (CMD_ARGC == 1)
906 {
907 unsigned delay;
908 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], delay);
909
910 jtag_set_nsrst_delay(delay);
911 }
912 command_print(CMD_CTX, "jtag_nsrst_delay: %u", jtag_get_nsrst_delay());
913 return ERROR_OK;
914 }
915
916 COMMAND_HANDLER(handle_jtag_ntrst_delay_command)
917 {
918 if (CMD_ARGC > 1)
919 return ERROR_COMMAND_SYNTAX_ERROR;
920 if (CMD_ARGC == 1)
921 {
922 unsigned delay;
923 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], delay);
924
925 jtag_set_ntrst_delay(delay);
926 }
927 command_print(CMD_CTX, "jtag_ntrst_delay: %u", jtag_get_ntrst_delay());
928 return ERROR_OK;
929 }
930
931 COMMAND_HANDLER(handle_jtag_nsrst_assert_width_command)
932 {
933 if (CMD_ARGC > 1)
934 return ERROR_COMMAND_SYNTAX_ERROR;
935 if (CMD_ARGC == 1)
936 {
937 unsigned delay;
938 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], delay);
939
940 jtag_set_nsrst_assert_width(delay);
941 }
942 command_print(CMD_CTX, "jtag_nsrst_assert_width: %u", jtag_get_nsrst_assert_width());
943 return ERROR_OK;
944 }
945
946 COMMAND_HANDLER(handle_jtag_ntrst_assert_width_command)
947 {
948 if (CMD_ARGC > 1)
949 return ERROR_COMMAND_SYNTAX_ERROR;
950 if (CMD_ARGC == 1)
951 {
952 unsigned delay;
953 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], delay);
954
955 jtag_set_ntrst_assert_width(delay);
956 }
957 command_print(CMD_CTX, "jtag_ntrst_assert_width: %u", jtag_get_ntrst_assert_width());
958 return ERROR_OK;
959 }
960
961 COMMAND_HANDLER(handle_jtag_khz_command)
962 {
963 if (CMD_ARGC > 1)
964 return ERROR_COMMAND_SYNTAX_ERROR;
965
966 int retval = ERROR_OK;
967 if (CMD_ARGC == 1)
968 {
969 unsigned khz = 0;
970 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], khz);
971
972 retval = jtag_config_khz(khz);
973 if (ERROR_OK != retval)
974 return retval;
975 }
976
977 int cur_speed = jtag_get_speed_khz();
978 retval = jtag_get_speed_readable(&cur_speed);
979 if (ERROR_OK != retval)
980 return retval;
981
982 if (cur_speed)
983 command_print(CMD_CTX, "%d kHz", cur_speed);
984 else
985 command_print(CMD_CTX, "RCLK - adaptive");
986
987 return retval;
988 }
989
990 COMMAND_HANDLER(handle_jtag_rclk_command)
991 {
992 if (CMD_ARGC > 1)
993 return ERROR_COMMAND_SYNTAX_ERROR;
994
995 int retval = ERROR_OK;
996 if (CMD_ARGC == 1)
997 {
998 unsigned khz = 0;
999 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], khz);
1000
1001 retval = jtag_config_rclk(khz);
1002 if (ERROR_OK != retval)
1003 return retval;
1004 }
1005
1006 int cur_khz = jtag_get_speed_khz();
1007 retval = jtag_get_speed_readable(&cur_khz);
1008 if (ERROR_OK != retval)
1009 return retval;
1010
1011 if (cur_khz)
1012 command_print(CMD_CTX, "RCLK not supported - fallback to %d kHz", cur_khz);
1013 else
1014 command_print(CMD_CTX, "RCLK - adaptive");
1015
1016 return retval;
1017 }
1018
1019 COMMAND_HANDLER(handle_jtag_reset_command)
1020 {
1021 if (CMD_ARGC != 2)
1022 return ERROR_COMMAND_SYNTAX_ERROR;
1023
1024 int trst = -1;
1025 if (CMD_ARGV[0][0] == '1')
1026 trst = 1;
1027 else if (CMD_ARGV[0][0] == '0')
1028 trst = 0;
1029 else
1030 return ERROR_COMMAND_SYNTAX_ERROR;
1031
1032 int srst = -1;
1033 if (CMD_ARGV[1][0] == '1')
1034 srst = 1;
1035 else if (CMD_ARGV[1][0] == '0')
1036 srst = 0;
1037 else
1038 return ERROR_COMMAND_SYNTAX_ERROR;
1039
1040 if (jtag_interface_init(CMD_CTX) != ERROR_OK)
1041 return ERROR_JTAG_INIT_FAILED;
1042
1043 jtag_add_reset(trst, srst);
1044 return jtag_execute_queue();
1045 }
1046
1047 COMMAND_HANDLER(handle_runtest_command)
1048 {
1049 if (CMD_ARGC != 1)
1050 return ERROR_COMMAND_SYNTAX_ERROR;
1051
1052 unsigned num_clocks;
1053 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], num_clocks);
1054
1055 jtag_add_runtest(num_clocks, TAP_IDLE);
1056 return jtag_execute_queue();
1057 }
1058
1059 /*
1060 * For "irscan" or "drscan" commands, the "end" (really, "next") state
1061 * should be stable ... and *NOT* a shift state, otherwise free-running
1062 * jtag clocks could change the values latched by the update state.
1063 * Not surprisingly, this is the same constraint as SVF; the "irscan"
1064 * and "drscan" commands are a write-only subset of what SVF provides.
1065 */
1066 static bool scan_is_safe(tap_state_t state)
1067 {
1068 switch (state)
1069 {
1070 case TAP_RESET:
1071 case TAP_IDLE:
1072 case TAP_DRPAUSE:
1073 case TAP_IRPAUSE:
1074 return true;
1075 default:
1076 return false;
1077 }
1078 }
1079
1080
1081 COMMAND_HANDLER(handle_irscan_command)
1082 {
1083 int i;
1084 struct scan_field *fields;
1085 struct jtag_tap *tap;
1086 tap_state_t endstate;
1087
1088 if ((CMD_ARGC < 2) || (CMD_ARGC % 2))
1089 {
1090 return ERROR_COMMAND_SYNTAX_ERROR;
1091 }
1092
1093 /* optional "-endstate" "statename" at the end of the arguments,
1094 * so that e.g. IRPAUSE can let us load the data register before
1095 * entering RUN/IDLE to execute the instruction we load here.
1096 */
1097 endstate = TAP_IDLE;
1098
1099 if (CMD_ARGC >= 4) {
1100 /* have at least one pair of numbers. */
1101 /* is last pair the magic text? */
1102 if (strcmp("-endstate", CMD_ARGV[CMD_ARGC - 2]) == 0) {
1103 endstate = tap_state_by_name(CMD_ARGV[CMD_ARGC - 1]);
1104 if (endstate == TAP_INVALID)
1105 return ERROR_COMMAND_SYNTAX_ERROR;
1106 if (!scan_is_safe(endstate))
1107 LOG_WARNING("unstable irscan endstate \"%s\"",
1108 CMD_ARGV[CMD_ARGC - 1]);
1109 CMD_ARGC -= 2;
1110 }
1111 }
1112
1113 int num_fields = CMD_ARGC / 2;
1114 size_t fields_len = sizeof(struct scan_field) * num_fields;
1115 fields = malloc(fields_len);
1116 memset(fields, 0, fields_len);
1117
1118 int retval;
1119 for (i = 0; i < num_fields; i++)
1120 {
1121 tap = jtag_tap_by_string(CMD_ARGV[i*2]);
1122 if (tap == NULL)
1123 {
1124 int j;
1125 for (j = 0; j < i; j++)
1126 free(fields[j].out_value);
1127 free(fields);
1128 command_print(CMD_CTX, "Tap: %s unknown", CMD_ARGV[i*2]);
1129
1130 return ERROR_FAIL;
1131 }
1132 int field_size = tap->ir_length;
1133 fields[i].tap = tap;
1134 fields[i].num_bits = field_size;
1135 fields[i].out_value = malloc(DIV_ROUND_UP(field_size, 8));
1136
1137 uint32_t value;
1138 retval = parse_u32(CMD_ARGV[i * 2 + 1], &value);
1139 if (ERROR_OK != retval)
1140 goto error_return;
1141 buf_set_u32(fields[i].out_value, 0, field_size, value);
1142 fields[i].in_value = NULL;
1143 }
1144
1145 /* did we have an endstate? */
1146 jtag_add_ir_scan(num_fields, fields, endstate);
1147
1148 retval = jtag_execute_queue();
1149
1150 error_return:
1151 for (i = 0; i < num_fields; i++)
1152 {
1153 if (NULL != fields[i].out_value)
1154 free(fields[i].out_value);
1155 }
1156
1157 free (fields);
1158
1159 return retval;
1160 }
1161
1162 static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *args)
1163 {
1164 int retval;
1165 struct scan_field *fields;
1166 int num_fields;
1167 int field_count = 0;
1168 int i, e;
1169 struct jtag_tap *tap;
1170 tap_state_t endstate;
1171
1172 /* args[1] = device
1173 * args[2] = num_bits
1174 * args[3] = hex string
1175 * ... repeat num bits and hex string ...
1176 *
1177 * .. optionally:
1178 * args[N-2] = "-endstate"
1179 * args[N-1] = statename
1180 */
1181 if ((argc < 4) || ((argc % 2) != 0))
1182 {
1183 Jim_WrongNumArgs(interp, 1, args, "wrong arguments");
1184 return JIM_ERR;
1185 }
1186
1187 endstate = TAP_IDLE;
1188
1189 script_debug(interp, "drscan", argc, args);
1190
1191 /* validate arguments as numbers */
1192 e = JIM_OK;
1193 for (i = 2; i < argc; i += 2)
1194 {
1195 long bits;
1196 const char *cp;
1197
1198 e = Jim_GetLong(interp, args[i], &bits);
1199 /* If valid - try next arg */
1200 if (e == JIM_OK) {
1201 continue;
1202 }
1203
1204 /* Not valid.. are we at the end? */
1205 if (((i + 2) != argc)) {
1206 /* nope, then error */
1207 return e;
1208 }
1209
1210 /* it could be: "-endstate FOO"
1211 * e.g. DRPAUSE so we can issue more instructions
1212 * before entering RUN/IDLE and executing them.
1213 */
1214
1215 /* get arg as a string. */
1216 cp = Jim_GetString(args[i], NULL);
1217 /* is it the magic? */
1218 if (0 == strcmp("-endstate", cp)) {
1219 /* is the statename valid? */
1220 cp = Jim_GetString(args[i + 1], NULL);
1221
1222 /* see if it is a valid state name */
1223 endstate = tap_state_by_name(cp);
1224 if (endstate < 0) {
1225 /* update the error message */
1226 Jim_SetResult_sprintf(interp,"endstate: %s invalid", cp);
1227 } else {
1228 if (!scan_is_safe(endstate))
1229 LOG_WARNING("drscan with unsafe "
1230 "endstate \"%s\"", cp);
1231
1232 /* valid - so clear the error */
1233 e = JIM_OK;
1234 /* and remove the last 2 args */
1235 argc -= 2;
1236 }
1237 }
1238
1239 /* Still an error? */
1240 if (e != JIM_OK) {
1241 return e; /* too bad */
1242 }
1243 } /* validate args */
1244
1245 tap = jtag_tap_by_jim_obj(interp, args[1]);
1246 if (tap == NULL) {
1247 return JIM_ERR;
1248 }
1249
1250 num_fields = (argc-2)/2;
1251 fields = malloc(sizeof(struct scan_field) * num_fields);
1252 for (i = 2; i < argc; i += 2)
1253 {
1254 long bits;
1255 int len;
1256 const char *str;
1257
1258 Jim_GetLong(interp, args[i], &bits);
1259 str = Jim_GetString(args[i + 1], &len);
1260
1261 fields[field_count].tap = tap;
1262 fields[field_count].num_bits = bits;
1263 fields[field_count].out_value = malloc(DIV_ROUND_UP(bits, 8));
1264 str_to_buf(str, len, fields[field_count].out_value, bits, 0);
1265 fields[field_count].in_value = fields[field_count].out_value;
1266 field_count++;
1267 }
1268
1269 jtag_add_dr_scan(num_fields, fields, endstate);
1270
1271 retval = jtag_execute_queue();
1272 if (retval != ERROR_OK)
1273 {
1274 Jim_SetResultString(interp, "drscan: jtag execute failed",-1);
1275 return JIM_ERR;
1276 }
1277
1278 field_count = 0;
1279 Jim_Obj *list = Jim_NewListObj(interp, NULL, 0);
1280 for (i = 2; i < argc; i += 2)
1281 {
1282 long bits;
1283 char *str;
1284
1285 Jim_GetLong(interp, args[i], &bits);
1286 str = buf_to_str(fields[field_count].in_value, bits, 16);
1287 free(fields[field_count].out_value);
1288
1289 Jim_ListAppendElement(interp, list, Jim_NewStringObj(interp, str, strlen(str)));
1290 free(str);
1291 field_count++;
1292 }
1293
1294 Jim_SetResult(interp, list);
1295
1296 free(fields);
1297
1298 return JIM_OK;
1299 }
1300
1301
1302 static int Jim_Command_pathmove(Jim_Interp *interp, int argc, Jim_Obj *const *args)
1303 {
1304 tap_state_t states[8];
1305
1306 if ((argc < 2) || ((size_t)argc > (sizeof(states)/sizeof(*states) + 1)))
1307 {
1308 Jim_WrongNumArgs(interp, 1, args, "wrong arguments");
1309 return JIM_ERR;
1310 }
1311
1312 script_debug(interp, "pathmove", argc, args);
1313
1314 int i;
1315 for (i = 0; i < argc-1; i++)
1316 {
1317 const char *cp;
1318 cp = Jim_GetString(args[i + 1], NULL);
1319 states[i] = tap_state_by_name(cp);
1320 if (states[i] < 0)
1321 {
1322 /* update the error message */
1323 Jim_SetResult_sprintf(interp,"endstate: %s invalid", cp);
1324 return JIM_ERR;
1325 }
1326 }
1327
1328 if ((jtag_add_statemove(states[0]) != ERROR_OK) || (jtag_execute_queue()!= ERROR_OK))
1329 {
1330 Jim_SetResultString(interp, "pathmove: jtag execute failed",-1);
1331 return JIM_ERR;
1332 }
1333
1334 jtag_add_pathmove(argc-2, states + 1);
1335
1336 if (jtag_execute_queue()!= ERROR_OK)
1337 {
1338 Jim_SetResultString(interp, "pathmove: failed",-1);
1339 return JIM_ERR;
1340 }
1341
1342 return JIM_OK;
1343 }
1344
1345
1346 static int Jim_Command_flush_count(Jim_Interp *interp, int argc, Jim_Obj *const *args)
1347 {
1348 script_debug(interp, "flush_count", argc, args);
1349
1350 Jim_SetResult(interp, Jim_NewIntObj(interp, jtag_get_flush_queue_count()));
1351
1352 return JIM_OK;
1353 }
1354
1355
1356 COMMAND_HANDLER(handle_verify_ircapture_command)
1357 {
1358 if (CMD_ARGC > 1)
1359 return ERROR_COMMAND_SYNTAX_ERROR;
1360
1361 if (CMD_ARGC == 1)
1362 {
1363 bool enable;
1364 COMMAND_PARSE_ENABLE(CMD_ARGV[0], enable);
1365 jtag_set_verify_capture_ir(enable);
1366 }
1367
1368 const char *status = jtag_will_verify_capture_ir() ? "enabled": "disabled";
1369 command_print(CMD_CTX, "verify Capture-IR is %s", status);
1370
1371 return ERROR_OK;
1372 }
1373
1374 COMMAND_HANDLER(handle_verify_jtag_command)
1375 {
1376 if (CMD_ARGC > 1)
1377 return ERROR_COMMAND_SYNTAX_ERROR;
1378
1379 if (CMD_ARGC == 1)
1380 {
1381 bool enable;
1382 COMMAND_PARSE_ENABLE(CMD_ARGV[0], enable);
1383 jtag_set_verify(enable);
1384 }
1385
1386 const char *status = jtag_will_verify() ? "enabled": "disabled";
1387 command_print(CMD_CTX, "verify jtag capture is %s", status);
1388
1389 return ERROR_OK;
1390 }
1391
1392 COMMAND_HANDLER(handle_tms_sequence_command)
1393 {
1394 if (CMD_ARGC > 1)
1395 return ERROR_COMMAND_SYNTAX_ERROR;
1396
1397 if (CMD_ARGC == 1)
1398 {
1399 bool use_new_table;
1400 if (strcmp(CMD_ARGV[0], "short") == 0)
1401 use_new_table = true;
1402 else if (strcmp(CMD_ARGV[0], "long") == 0)
1403 use_new_table = false;
1404 else
1405 return ERROR_COMMAND_SYNTAX_ERROR;
1406
1407 tap_use_new_tms_table(use_new_table);
1408 }
1409
1410 command_print(CMD_CTX, "tms sequence is %s",
1411 tap_uses_new_tms_table() ? "short": "long");
1412
1413 return ERROR_OK;
1414 }
1415
1416 int jtag_register_commands(struct command_context *cmd_ctx)
1417 {
1418 register_jim(cmd_ctx, "jtag", jim_jtag_command,
1419 "perform jtag tap actions");
1420
1421 register_command(cmd_ctx, NULL, "interface",
1422 handle_interface_command, COMMAND_CONFIG,
1423 "try to configure interface");
1424 register_command(cmd_ctx, NULL, "interface_list",
1425 &handle_interface_list_command, COMMAND_ANY,
1426 "list all built-in interfaces");
1427
1428 register_command(cmd_ctx, NULL, "jtag_khz",
1429 handle_jtag_khz_command, COMMAND_ANY,
1430 "set maximum jtag speed (if supported); "
1431 "parameter is maximum khz, or 0 for adaptive clocking (RTCK).");
1432 register_command(cmd_ctx, NULL, "jtag_rclk",
1433 handle_jtag_rclk_command, COMMAND_ANY,
1434 "fallback_speed_khz - set JTAG speed to RCLK or use fallback speed");
1435 register_command(cmd_ctx, NULL, "reset_config",
1436 handle_reset_config_command, COMMAND_ANY,
1437 "reset_config "
1438 "[none|trst_only|srst_only|trst_and_srst] "
1439 "[srst_pulls_trst|trst_pulls_srst|combined|separate] "
1440 "[srst_gates_jtag|srst_nogate] "
1441 "[trst_push_pull|trst_open_drain] "
1442 "[srst_push_pull|srst_open_drain]");
1443
1444 register_command(cmd_ctx, NULL, "jtag_nsrst_delay",
1445 handle_jtag_nsrst_delay_command, COMMAND_ANY,
1446 "jtag_nsrst_delay <ms> "
1447 "- delay after deasserting srst in ms");
1448 register_command(cmd_ctx, NULL, "jtag_ntrst_delay",
1449 handle_jtag_ntrst_delay_command, COMMAND_ANY,
1450 "jtag_ntrst_delay <ms> "
1451 "- delay after deasserting trst in ms");
1452
1453 register_command(cmd_ctx, NULL, "jtag_nsrst_assert_width",
1454 handle_jtag_nsrst_assert_width_command, COMMAND_ANY,
1455 "jtag_nsrst_assert_width <ms> "
1456 "- delay after asserting srst in ms");
1457 register_command(cmd_ctx, NULL, "jtag_ntrst_assert_width",
1458 handle_jtag_ntrst_assert_width_command, COMMAND_ANY,
1459 "jtag_ntrst_assert_width <ms> "
1460 "- delay after asserting trst in ms");
1461
1462 register_command(cmd_ctx, NULL, "scan_chain",
1463 handle_scan_chain_command, COMMAND_EXEC,
1464 "print current scan chain configuration");
1465
1466 register_command(cmd_ctx, NULL, "jtag_reset",
1467 handle_jtag_reset_command, COMMAND_EXEC,
1468 "toggle reset lines <trst> <srst>");
1469 register_command(cmd_ctx, NULL, "runtest",
1470 handle_runtest_command, COMMAND_EXEC,
1471 "move to Run-Test/Idle, and execute <num_cycles>");
1472 register_command(cmd_ctx, NULL, "irscan",
1473 handle_irscan_command, COMMAND_EXEC,
1474 "execute IR scan <device> <instr> [dev2] [instr2] ...");
1475
1476 register_jim(cmd_ctx, "drscan", Jim_Command_drscan,
1477 "execute DR scan <device> "
1478 "<num_bits> <value> <num_bits1> <value2> ...");
1479
1480 register_jim(cmd_ctx, "flush_count", Jim_Command_flush_count,
1481 "returns number of times the JTAG queue has been flushed");
1482
1483 register_jim(cmd_ctx, "pathmove", Jim_Command_pathmove,
1484 "<state1>,<state2>,<state3>... "
1485 "- move JTAG to state1 then to state2, state3, etc.");
1486
1487 register_command(cmd_ctx, NULL, "verify_ircapture",
1488 handle_verify_ircapture_command, COMMAND_ANY,
1489 "verify value captured during Capture-IR <enable | disable>");
1490 register_command(cmd_ctx, NULL, "verify_jtag",
1491 handle_verify_jtag_command, COMMAND_ANY,
1492 "verify value capture <enable | disable>");
1493
1494 register_command(cmd_ctx, NULL, "tms_sequence",
1495 handle_tms_sequence_command, COMMAND_ANY,
1496 "choose short(default) or long tms_sequence <short | long>");
1497
1498 return ERROR_OK;
1499 }
1500
1501
Marex's Cortex A8 development branch