git.sur5r.net Git - openocd/blob - src/jtag/tcl.c

   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
  38 #ifdef HAVE_STRINGS_H
  39 #include <strings.h>
  40 #endif
  41
  42 /* flag if the kHz speed was defined */
  43 static bool hasKHz = false;
  44
  45 /* jtag interfaces (parport, FTDI-USB, TI-USB, ...)
  46  */
  47
  48 #if BUILD_ECOSBOARD == 1
  49         extern jtag_interface_t zy1000_interface;
  50 #elif defined(BUILD_MINIDRIVER_DUMMY)
  51         extern jtag_interface_t minidummy_interface;
  52 #else // standard drivers
  53 #if BUILD_PARPORT == 1
  54         extern jtag_interface_t parport_interface;
  55 #endif
  56
  57 #if BUILD_DUMMY == 1
  58         extern jtag_interface_t dummy_interface;
  59 #endif
  60
  61 #if BUILD_FT2232_FTD2XX == 1
  62         extern jtag_interface_t ft2232_interface;
  63 #endif
  64
  65 #if BUILD_FT2232_LIBFTDI == 1
  66         extern jtag_interface_t ft2232_interface;
  67 #endif
  68
  69 #if BUILD_AMTJTAGACCEL == 1
  70         extern jtag_interface_t amt_jtagaccel_interface;
  71 #endif
  72
  73 #if BUILD_EP93XX == 1
  74         extern jtag_interface_t ep93xx_interface;
  75 #endif
  76
  77 #if BUILD_AT91RM9200 == 1
  78         extern jtag_interface_t at91rm9200_interface;
  79 #endif
  80
  81 #if BUILD_GW16012 == 1
  82         extern jtag_interface_t gw16012_interface;
  83 #endif
  84
  85 #if BUILD_PRESTO_LIBFTDI == 1 || BUILD_PRESTO_FTD2XX == 1
  86         extern jtag_interface_t presto_interface;
  87 #endif
  88
  89 #if BUILD_USBPROG == 1
  90         extern jtag_interface_t usbprog_interface;
  91 #endif
  92
  93 #if BUILD_JLINK == 1
  94         extern jtag_interface_t jlink_interface;
  95 #endif
  96
  97 #if BUILD_VSLLINK == 1
  98         extern jtag_interface_t vsllink_interface;
  99 #endif
 100
 101 #if BUILD_RLINK == 1
 102         extern jtag_interface_t rlink_interface;
 103 #endif
 104
 105 #if BUILD_ARMJTAGEW == 1
 106         extern jtag_interface_t armjtagew_interface;
 107 #endif
 108 #endif // standard drivers
 109
 110 /**
 111  * The list of built-in JTAG interfaces, containing entries for those
 112  * drivers that were enabled by the @c configure script.
 113  *
 114  * The list should be defined to contain either one minidriver interface
 115  * or some number of standard driver interfaces, never both.
 116  */
 117 jtag_interface_t *jtag_interfaces[] = {
 118 #if BUILD_ECOSBOARD == 1
 119         &zy1000_interface,
 120 #elif defined(BUILD_MINIDRIVER_DUMMY)
 121         &minidummy_interface,
 122 #else // standard drivers
 123 #if BUILD_PARPORT == 1
 124         &parport_interface,
 125 #endif
 126 #if BUILD_DUMMY == 1
 127         &dummy_interface,
 128 #endif
 129 #if BUILD_FT2232_FTD2XX == 1
 130         &ft2232_interface,
 131 #endif
 132 #if BUILD_FT2232_LIBFTDI == 1
 133         &ft2232_interface,
 134 #endif
 135 #if BUILD_AMTJTAGACCEL == 1
 136         &amt_jtagaccel_interface,
 137 #endif
 138 #if BUILD_EP93XX == 1
 139         &ep93xx_interface,
 140 #endif
 141 #if BUILD_AT91RM9200 == 1
 142         &at91rm9200_interface,
 143 #endif
 144 #if BUILD_GW16012 == 1
 145         &gw16012_interface,
 146 #endif
 147 #if BUILD_PRESTO_LIBFTDI == 1 || BUILD_PRESTO_FTD2XX == 1
 148         &presto_interface,
 149 #endif
 150 #if BUILD_USBPROG == 1
 151         &usbprog_interface,
 152 #endif
 153 #if BUILD_JLINK == 1
 154         &jlink_interface,
 155 #endif
 156 #if BUILD_VSLLINK == 1
 157         &vsllink_interface,
 158 #endif
 159 #if BUILD_RLINK == 1
 160         &rlink_interface,
 161 #endif
 162 #if BUILD_ARMJTAGEW == 1
 163         &armjtagew_interface,
 164 #endif
 165 #endif // standard drivers
 166         NULL,
 167 };
 168
 169 extern struct jtag_interface_s *jtag;
 170 extern jtag_interface_t *jtag_interface;
 171
 172 /* jtag commands */
 173 static int handle_interface_list_command(struct command_context_s *cmd_ctx,
 174                 char *cmd, char **args, int argc);
 175 static int handle_interface_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 176 static int handle_jtag_speed_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 177 static int handle_jtag_khz_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 178 static int handle_jtag_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 179 static int handle_reset_config_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 180 static int handle_jtag_nsrst_delay_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 181 static int handle_jtag_ntrst_delay_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 182
 183 static int handle_scan_chain_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 184
 185 static int handle_jtag_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 186 static int handle_runtest_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 187 static int handle_irscan_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 188 static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
 189 static int Jim_Command_flush_count(Jim_Interp *interp, int argc, Jim_Obj *const *args);
 190
 191 static int handle_verify_ircapture_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 192 static int handle_verify_jtag_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 193 static int handle_tms_sequence_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 194
 195 extern int jtag_examine_chain(void);
 196 extern int jtag_validate_chain(void);
 197
 198 enum jtag_tap_cfg_param {
 199         JCFG_EVENT
 200 };
 201
 202 static Jim_Nvp nvp_config_opts[] = {
 203         { .name = "-event",      .value = JCFG_EVENT },
 204
 205         { .name = NULL,          .value = -1 }
 206 };
 207
 208 static int jtag_tap_configure_cmd( Jim_GetOptInfo *goi, jtag_tap_t * tap)
 209 {
 210         Jim_Nvp *n;
 211         Jim_Obj *o;
 212         int e;
 213
 214         /* parse config or cget options */
 215         while (goi->argc > 0) {
 216                 Jim_SetEmptyResult (goi->interp);
 217
 218                 e = Jim_GetOpt_Nvp(goi, nvp_config_opts, &n);
 219                 if (e != JIM_OK) {
 220                         Jim_GetOpt_NvpUnknown(goi, nvp_config_opts, 0);
 221                         return e;
 222                 }
 223
 224                 switch (n->value) {
 225                         case JCFG_EVENT:
 226                                 if (goi->argc == 0) {
 227                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ..." );
 228                                         return JIM_ERR;
 229                                 }
 230
 231                                 e = Jim_GetOpt_Nvp( goi, nvp_jtag_tap_event, &n );
 232                                 if (e != JIM_OK) {
 233                                         Jim_GetOpt_NvpUnknown(goi, nvp_jtag_tap_event, 1);
 234                                         return e;
 235                                 }
 236
 237                                 if (goi->isconfigure) {
 238                                         if (goi->argc != 1) {
 239                                                 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
 240                                                 return JIM_ERR;
 241                                         }
 242                                 } else {
 243                                         if (goi->argc != 0) {
 244                                                 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
 245                                                 return JIM_ERR;
 246                                         }
 247                                 }
 248
 249                                 {
 250                                         jtag_tap_event_action_t *jteap;
 251
 252                                         jteap = tap->event_action;
 253                                         /* replace existing? */
 254                                         while (jteap) {
 255                                                 if (jteap->event == (enum jtag_tap_event)n->value) {
 256                                                         break;
 257                                                 }
 258                                                 jteap = jteap->next;
 259                                         }
 260
 261                                         if (goi->isconfigure) {
 262                                                 if (jteap == NULL) {
 263                                                         /* create new */
 264                                                         jteap = calloc(1, sizeof (*jteap));
 265                                                 }
 266                                                 jteap->event = n->value;
 267                                                 Jim_GetOpt_Obj( goi, &o);
 268                                                 if (jteap->body) {
 269                                                         Jim_DecrRefCount(interp, jteap->body);
 270                                                 }
 271                                                 jteap->body = Jim_DuplicateObj(goi->interp, o);
 272                                                 Jim_IncrRefCount(jteap->body);
 273
 274                                                 /* add to head of event list */
 275                                                 jteap->next = tap->event_action;
 276                                                 tap->event_action = jteap;
 277                                                 Jim_SetEmptyResult(goi->interp);
 278                                         } else {
 279                                                 /* get */
 280                                                 if (jteap == NULL) {
 281                                                         Jim_SetEmptyResult(goi->interp);
 282                                                 } else {
 283                                                         Jim_SetResult(goi->interp, Jim_DuplicateObj(goi->interp, jteap->body));
 284                                                 }
 285                                         }
 286                                 }
 287                                 /* loop for more */
 288                                 break;
 289                 }
 290         } /* while (goi->argc) */
 291
 292         return JIM_OK;
 293 }
 294
 295
 296 extern void jtag_tap_init(jtag_tap_t *tap);
 297 extern void jtag_tap_free(jtag_tap_t *tap);
 298
 299 static int jim_newtap_cmd( Jim_GetOptInfo *goi )
 300 {
 301         jtag_tap_t *pTap;
 302         jim_wide w;
 303         int x;
 304         int e;
 305         int reqbits;
 306         Jim_Nvp *n;
 307         char *cp;
 308         const Jim_Nvp opts[] = {
 309 #define NTAP_OPT_IRLEN     0
 310                 { .name = "-irlen"                      ,       .value = NTAP_OPT_IRLEN },
 311 #define NTAP_OPT_IRMASK    1
 312                 { .name = "-irmask"                     ,       .value = NTAP_OPT_IRMASK },
 313 #define NTAP_OPT_IRCAPTURE 2
 314                 { .name = "-ircapture"          ,       .value = NTAP_OPT_IRCAPTURE },
 315 #define NTAP_OPT_ENABLED   3
 316                 { .name = "-enable"                     ,       .value = NTAP_OPT_ENABLED },
 317 #define NTAP_OPT_DISABLED  4
 318                 { .name = "-disable"            ,       .value = NTAP_OPT_DISABLED },
 319 #define NTAP_OPT_EXPECTED_ID 5
 320                 { .name = "-expected-id"        ,       .value = NTAP_OPT_EXPECTED_ID },
 321                 { .name = NULL                          ,       .value = -1 },
 322         };
 323
 324         pTap = malloc( sizeof(jtag_tap_t) );
 325         memset( pTap, 0, sizeof(*pTap) );
 326         if( !pTap ){
 327                 Jim_SetResult_sprintf( goi->interp, "no memory");
 328                 return JIM_ERR;
 329         }
 330         /*
 331          * we expect CHIP + TAP + OPTIONS
 332          * */
 333         if( goi->argc < 3 ){
 334                 Jim_SetResult_sprintf(goi->interp, "Missing CHIP TAP OPTIONS ....");
 335                 return JIM_ERR;
 336         }
 337         Jim_GetOpt_String( goi, &cp, NULL );
 338         pTap->chip = strdup(cp);
 339
 340         Jim_GetOpt_String( goi, &cp, NULL );
 341         pTap->tapname = strdup(cp);
 342
 343         /* name + dot + name + null */
 344         x = strlen(pTap->chip) + 1 + strlen(pTap->tapname) + 1;
 345         cp = malloc( x );
 346         sprintf( cp, "%s.%s", pTap->chip, pTap->tapname );
 347         pTap->dotted_name = cp;
 348
 349         LOG_DEBUG("Creating New Tap, Chip: %s, Tap: %s, Dotted: %s, %d params",
 350                           pTap->chip, pTap->tapname, pTap->dotted_name, goi->argc);
 351
 352         /* default is enabled */
 353         pTap->enabled = 1;
 354
 355         /* deal with options */
 356 #define NTREQ_IRLEN      1
 357 #define NTREQ_IRCAPTURE  2
 358 #define NTREQ_IRMASK     4
 359
 360         /* clear them as we find them */
 361         reqbits = (NTREQ_IRLEN | NTREQ_IRCAPTURE | NTREQ_IRMASK);
 362
 363         while( goi->argc ){
 364                 e = Jim_GetOpt_Nvp( goi, opts, &n );
 365                 if( e != JIM_OK ){
 366                         Jim_GetOpt_NvpUnknown( goi, opts, 0 );
 367                         return e;
 368                 }
 369                 LOG_DEBUG("Processing option: %s", n->name );
 370                 switch( n->value ){
 371                 case NTAP_OPT_ENABLED:
 372                         pTap->enabled = 1;
 373                         break;
 374                 case NTAP_OPT_DISABLED:
 375                         pTap->enabled = 0;
 376                         break;
 377                 case NTAP_OPT_EXPECTED_ID:
 378                 {
 379                         u32 *new_expected_ids;
 380
 381                         e = Jim_GetOpt_Wide( goi, &w );
 382                         if( e != JIM_OK) {
 383                                 Jim_SetResult_sprintf(goi->interp, "option: %s bad parameter", n->name);
 384                                 return e;
 385                         }
 386
 387                         new_expected_ids = malloc(sizeof(u32) * (pTap->expected_ids_cnt + 1));
 388                         if (new_expected_ids == NULL) {
 389                                 Jim_SetResult_sprintf( goi->interp, "no memory");
 390                                 return JIM_ERR;
 391                         }
 392
 393                         memcpy(new_expected_ids, pTap->expected_ids, sizeof(u32) * pTap->expected_ids_cnt);
 394
 395                         new_expected_ids[pTap->expected_ids_cnt] = w;
 396
 397                         free(pTap->expected_ids);
 398                         pTap->expected_ids = new_expected_ids;
 399                         pTap->expected_ids_cnt++;
 400                         break;
 401                 }
 402                 case NTAP_OPT_IRLEN:
 403                 case NTAP_OPT_IRMASK:
 404                 case NTAP_OPT_IRCAPTURE:
 405                         e = Jim_GetOpt_Wide( goi, &w );
 406                         if( e != JIM_OK ){
 407                                 Jim_SetResult_sprintf( goi->interp, "option: %s bad parameter", n->name );
 408                                 return e;
 409                         }
 410                         if( (w < 0) || (w > 0xffff) ){
 411                                 /* wacky value */
 412                                 Jim_SetResult_sprintf( goi->interp, "option: %s - wacky value: %d (0x%x)",
 413                                                                            n->name, (int)(w), (int)(w));
 414                                 return JIM_ERR;
 415                         }
 416                         switch(n->value){
 417                         case NTAP_OPT_IRLEN:
 418                                 pTap->ir_length = w;
 419                                 reqbits &= (~(NTREQ_IRLEN));
 420                                 break;
 421                         case NTAP_OPT_IRMASK:
 422                                 pTap->ir_capture_mask = w;
 423                                 reqbits &= (~(NTREQ_IRMASK));
 424                                 break;
 425                         case NTAP_OPT_IRCAPTURE:
 426                                 pTap->ir_capture_value = w;
 427                                 reqbits &= (~(NTREQ_IRCAPTURE));
 428                                 break;
 429                         }
 430                 } /* switch(n->value) */
 431         } /* while( goi->argc ) */
 432
 433         /* Did all the required option bits get cleared? */
 434         if (0 == reqbits)
 435         {
 436                 jtag_tap_init(pTap);
 437                 return ERROR_OK;
 438         }
 439
 440         Jim_SetResult_sprintf(goi->interp,
 441                         "newtap: %s missing required parameters",
 442                         pTap->dotted_name);
 443         jtag_tap_free(pTap);
 444         return JIM_ERR;
 445 }
 446
 447 static int jim_jtag_command( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
 448 {
 449         Jim_GetOptInfo goi;
 450         int e;
 451         Jim_Nvp *n;
 452         Jim_Obj *o;
 453         struct command_context_s *context;
 454
 455         enum {
 456                 JTAG_CMD_INTERFACE,
 457                 JTAG_CMD_INIT_RESET,
 458                 JTAG_CMD_NEWTAP,
 459                 JTAG_CMD_TAPENABLE,
 460                 JTAG_CMD_TAPDISABLE,
 461                 JTAG_CMD_TAPISENABLED,
 462                 JTAG_CMD_CONFIGURE,
 463                 JTAG_CMD_CGET
 464         };
 465
 466         const Jim_Nvp jtag_cmds[] = {
 467                 { .name = "interface"     , .value = JTAG_CMD_INTERFACE },
 468                 { .name = "arp_init-reset", .value = JTAG_CMD_INIT_RESET },
 469                 { .name = "newtap"        , .value = JTAG_CMD_NEWTAP },
 470                 { .name = "tapisenabled"     , .value = JTAG_CMD_TAPISENABLED },
 471                 { .name = "tapenable"     , .value = JTAG_CMD_TAPENABLE },
 472                 { .name = "tapdisable"    , .value = JTAG_CMD_TAPDISABLE },
 473                 { .name = "configure"     , .value = JTAG_CMD_CONFIGURE },
 474                 { .name = "cget"          , .value = JTAG_CMD_CGET },
 475
 476                 { .name = NULL, .value = -1 },
 477         };
 478
 479         context = Jim_GetAssocData(interp, "context");
 480         /* go past the command */
 481         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
 482
 483         e = Jim_GetOpt_Nvp( &goi, jtag_cmds, &n );
 484         if( e != JIM_OK ){
 485                 Jim_GetOpt_NvpUnknown( &goi, jtag_cmds, 0 );
 486                 return e;
 487         }
 488                 Jim_SetEmptyResult( goi.interp );
 489         switch( n->value ){
 490         case JTAG_CMD_INTERFACE:
 491                 /* return the name of the interface */
 492                 /* TCL code might need to know the exact type... */
 493                 /* FUTURE: we allow this as a means to "set" the interface. */
 494                 if( goi.argc != 0 ){
 495                         Jim_WrongNumArgs( goi.interp, 1, goi.argv-1, "(no params)");
 496                         return JIM_ERR;
 497                 }
 498                 Jim_SetResultString( goi.interp, jtag_interface->name, -1 );
 499                 return JIM_OK;
 500         case JTAG_CMD_INIT_RESET:
 501                 if( goi.argc != 0 ){
 502                         Jim_WrongNumArgs( goi.interp, 1, goi.argv-1, "(no params)");
 503                         return JIM_ERR;
 504                 }
 505                 e = jtag_init_reset(context);
 506                 if( e != ERROR_OK ){
 507                         Jim_SetResult_sprintf( goi.interp, "error: %d", e);
 508                         return JIM_ERR;
 509                 }
 510                 return JIM_OK;
 511         case JTAG_CMD_NEWTAP:
 512                 return jim_newtap_cmd( &goi );
 513                 break;
 514         case JTAG_CMD_TAPISENABLED:
 515         case JTAG_CMD_TAPENABLE:
 516         case JTAG_CMD_TAPDISABLE:
 517                 if( goi.argc != 1 ){
 518                         Jim_SetResultString( goi.interp, "Too many parameters",-1 );
 519                         return JIM_ERR;
 520                 }
 521
 522                 {
 523                         jtag_tap_t *t;
 524                         t = jtag_tap_by_jim_obj( goi.interp, goi.argv[0] );
 525                         if( t == NULL ){
 526                                 return JIM_ERR;
 527                         }
 528                         switch( n->value ){
 529                         case JTAG_CMD_TAPISENABLED:
 530                                 e = t->enabled;
 531                                 break;
 532                         case JTAG_CMD_TAPENABLE:
 533                                 jtag_tap_handle_event( t, JTAG_TAP_EVENT_ENABLE);
 534                                 e = 1;
 535                                 t->enabled = e;
 536                                 break;
 537                         case JTAG_CMD_TAPDISABLE:
 538                                 jtag_tap_handle_event( t, JTAG_TAP_EVENT_DISABLE);
 539                                 e = 0;
 540                                 t->enabled = e;
 541                                 break;
 542                         }
 543                         Jim_SetResult( goi.interp, Jim_NewIntObj( goi.interp, e ) );
 544                         return JIM_OK;
 545                 }
 546                 break;
 547
 548         case JTAG_CMD_CGET:
 549                 if( goi.argc < 2 ){
 550                         Jim_WrongNumArgs( goi.interp, 0, NULL, "?tap-name? -option ...");
 551                         return JIM_ERR;
 552                 }
 553
 554                 {
 555                         jtag_tap_t *t;
 556
 557                         Jim_GetOpt_Obj(&goi, &o);
 558                         t = jtag_tap_by_jim_obj( goi.interp, o );
 559                         if( t == NULL ){
 560                                 return JIM_ERR;
 561                         }
 562
 563                         goi.isconfigure = 0;
 564                         return jtag_tap_configure_cmd( &goi, t);
 565                 }
 566                 break;
 567
 568         case JTAG_CMD_CONFIGURE:
 569                 if( goi.argc < 3 ){
 570                         Jim_WrongNumArgs( goi.interp, 0, NULL, "?tap-name? -option ?VALUE? ...");
 571                         return JIM_ERR;
 572                 }
 573
 574                 {
 575                         jtag_tap_t *t;
 576
 577                         Jim_GetOpt_Obj(&goi, &o);
 578                         t = jtag_tap_by_jim_obj( goi.interp, o );
 579                         if( t == NULL ){
 580                                 return JIM_ERR;
 581                         }
 582
 583                         goi.isconfigure = 1;
 584                         return jtag_tap_configure_cmd( &goi, t);
 585                 }
 586         }
 587
 588         return JIM_ERR;
 589 }
 590
 591 int jtag_register_commands(struct command_context_s *cmd_ctx)
 592 {
 593         register_jim( cmd_ctx, "jtag", jim_jtag_command, "perform jtag tap actions");
 594
 595         register_command(cmd_ctx, NULL, "interface", handle_interface_command,
 596                 COMMAND_CONFIG, "try to configure interface");
 597         register_command(cmd_ctx, NULL,
 598                 "interface_list", &handle_interface_list_command,
 599                 COMMAND_ANY, "list all built-in interfaces");
 600         register_command(cmd_ctx, NULL, "jtag_speed", handle_jtag_speed_command,
 601                 COMMAND_ANY, "(DEPRECATED) set jtag speed (if supported)");
 602         register_command(cmd_ctx, NULL, "jtag_khz", handle_jtag_khz_command,
 603                 COMMAND_ANY, "set maximum jtag speed (if supported); "
 604                 "parameter is maximum khz, or 0 for adaptive clocking (RTCK).");
 605         register_command(cmd_ctx, NULL, "jtag_device", handle_jtag_device_command,
 606                 COMMAND_CONFIG, "(DEPRECATED) jtag_device <ir_length> <ir_expected> <ir_mask>");
 607         register_command(cmd_ctx, NULL, "reset_config", handle_reset_config_command,
 608                 COMMAND_ANY,
 609                 "[none/trst_only/srst_only/trst_and_srst] [srst_pulls_trst/trst_pulls_srst] [combined/separate] [trst_push_pull/trst_open_drain] [srst_push_pull/srst_open_drain]");
 610         register_command(cmd_ctx, NULL, "jtag_nsrst_delay", handle_jtag_nsrst_delay_command,
 611                 COMMAND_ANY, "jtag_nsrst_delay <ms> - delay after deasserting srst in ms");
 612         register_command(cmd_ctx, NULL, "jtag_ntrst_delay", handle_jtag_ntrst_delay_command,
 613                 COMMAND_ANY, "jtag_ntrst_delay <ms> - delay after deasserting trst in ms");
 614
 615         register_command(cmd_ctx, NULL, "scan_chain", handle_scan_chain_command,
 616                 COMMAND_EXEC, "print current scan chain configuration");
 617
 618         register_command(cmd_ctx, NULL, "jtag_reset", handle_jtag_reset_command,
 619                 COMMAND_EXEC, "toggle reset lines <trst> <srst>");
 620         register_command(cmd_ctx, NULL, "runtest", handle_runtest_command,
 621                 COMMAND_EXEC, "move to Run-Test/Idle, and execute <num_cycles>");
 622         register_command(cmd_ctx, NULL, "irscan", handle_irscan_command,
 623                 COMMAND_EXEC, "execute IR scan <device> <instr> [dev2] [instr2] ...");
 624         register_jim(cmd_ctx, "drscan", Jim_Command_drscan, "execute DR scan <device> <num_bits> <value> <num_bits1> <value2> ...");
 625         register_jim(cmd_ctx, "flush_count", Jim_Command_flush_count, "returns number of times the JTAG queue has been flushed");
 626
 627         register_command(cmd_ctx, NULL, "verify_ircapture", handle_verify_ircapture_command,
 628                 COMMAND_ANY, "verify value captured during Capture-IR <enable|disable>");
 629         register_command(cmd_ctx, NULL, "verify_jtag", handle_verify_jtag_command,
 630                 COMMAND_ANY, "verify value capture <enable|disable>");
 631         register_command(cmd_ctx, NULL, "tms_sequence", handle_tms_sequence_command,
 632                 COMMAND_ANY, "choose short(default) or long tms_sequence <short|long>");
 633         return ERROR_OK;
 634 }
 635
 636 static int default_khz(int khz, int *jtag_speed)
 637 {
 638         LOG_ERROR("Translation from khz to jtag_speed not implemented");
 639         return ERROR_FAIL;
 640 }
 641
 642 static int default_speed_div(int speed, int *khz)
 643 {
 644         LOG_ERROR("Translation from jtag_speed to khz not implemented");
 645         return ERROR_FAIL;
 646 }
 647
 648 static int default_power_dropout(int *dropout)
 649 {
 650         *dropout=0; /* by default we can't detect power dropout */
 651         return ERROR_OK;
 652 }
 653
 654 static int default_srst_asserted(int *srst_asserted)
 655 {
 656         *srst_asserted=0; /* by default we can't detect srst asserted */
 657         return ERROR_OK;
 658 }
 659
 660 static int handle_interface_command(struct command_context_s *cmd_ctx,
 661                 char *cmd, char **args, int argc)
 662 {
 663         /* check whether the interface is already configured */
 664         if (jtag_interface)
 665         {
 666                 LOG_WARNING("Interface already configured, ignoring");
 667                 return ERROR_OK;
 668         }
 669
 670         /* interface name is a mandatory argument */
 671         if (argc != 1 || args[0][0] == '\0')
 672                 return ERROR_COMMAND_SYNTAX_ERROR;
 673
 674         for (unsigned i = 0; NULL != jtag_interfaces[i]; i++)
 675         {
 676                 if (strcmp(args[0], jtag_interfaces[i]->name) != 0)
 677                         continue;
 678
 679                 int retval = jtag_interfaces[i]->register_commands(cmd_ctx);
 680                 if (ERROR_OK != retval)
 681                                 return retval;
 682
 683                 jtag_interface = jtag_interfaces[i];
 684
 685                 if (jtag_interface->khz == NULL)
 686                         jtag_interface->khz = default_khz;
 687                 if (jtag_interface->speed_div == NULL)
 688                         jtag_interface->speed_div = default_speed_div;
 689                 if (jtag_interface->power_dropout == NULL)
 690                         jtag_interface->power_dropout = default_power_dropout;
 691                 if (jtag_interface->srst_asserted == NULL)
 692                         jtag_interface->srst_asserted = default_srst_asserted;
 693
 694                 return ERROR_OK;
 695         }
 696
 697         /* no valid interface was found (i.e. the configuration option,
 698          * didn't match one of the compiled-in interfaces
 699          */
 700         LOG_ERROR("The specified JTAG interface was not found (%s)", args[0]);
 701         handle_interface_list_command(cmd_ctx, cmd, args, argc);
 702         return ERROR_JTAG_INVALID_INTERFACE;
 703 }
 704
 705 static int handle_interface_list_command(struct command_context_s *cmd_ctx,
 706                 char *cmd, char **args, int argc)
 707 {
 708         if (strcmp(cmd, "interface_list") == 0 && argc > 0)
 709                 return ERROR_COMMAND_SYNTAX_ERROR;
 710
 711         command_print(cmd_ctx, "The following JTAG interfaces are available:");
 712         for (unsigned i = 0; NULL != jtag_interfaces[i]; i++)
 713         {
 714                 const char *name = jtag_interfaces[i]->name;
 715                 command_print(cmd_ctx, "%u: %s", i + 1, name);
 716         }
 717
 718         return ERROR_OK;
 719 }
 720
 721 static int handle_jtag_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 722 {
 723         int e;
 724         char buf[1024];
 725         Jim_Obj *newargs[ 10 ];
 726         /*
 727          * CONVERT SYNTAX
 728          * argv[-1] = command
 729          * argv[ 0] = ir length
 730          * argv[ 1] = ir capture
 731          * argv[ 2] = ir mask
 732          * argv[ 3] = not actually used by anything but in the docs
 733          */
 734
 735         if( argc < 4 ){
 736                 command_print( cmd_ctx, "OLD DEPRECATED SYNTAX: Please use the NEW syntax");
 737                 return ERROR_OK;
 738         }
 739         command_print( cmd_ctx, "OLD SYNTAX: DEPRECATED - translating to new syntax");
 740         command_print( cmd_ctx, "jtag newtap CHIP TAP -irlen %s -ircapture %s -irvalue %s",
 741                                    args[0],
 742                                    args[1],
 743                                    args[2] );
 744         command_print( cmd_ctx, "Example: STM32 has 2 taps, the cortexM3(len4) + boundaryscan(len5)");
 745         command_print( cmd_ctx, "jtag newtap stm32 cortexm3 ....., thus creating the tap: \"stm32.cortexm3\"");
 746         command_print( cmd_ctx, "jtag newtap stm32 boundary ....., and the tap: \"stm32.boundary\"");
 747         command_print( cmd_ctx, "And then refer to the taps by the dotted name.");
 748
 749         newargs[0] = Jim_NewStringObj( interp, "jtag", -1   );
 750         newargs[1] = Jim_NewStringObj( interp, "newtap", -1 );
 751         sprintf( buf, "chip%d", jtag_tap_count() );
 752         newargs[2] = Jim_NewStringObj( interp, buf, -1 );
 753         sprintf( buf, "tap%d", jtag_tap_count() );
 754         newargs[3] = Jim_NewStringObj( interp, buf, -1  );
 755         newargs[4] = Jim_NewStringObj( interp, "-irlen", -1  );
 756         newargs[5] = Jim_NewStringObj( interp, args[0], -1  );
 757         newargs[6] = Jim_NewStringObj( interp, "-ircapture", -1  );
 758         newargs[7] = Jim_NewStringObj( interp, args[1], -1  );
 759         newargs[8] = Jim_NewStringObj( interp, "-irmask", -1  );
 760         newargs[9] = Jim_NewStringObj( interp, args[2], -1  );
 761
 762         command_print( cmd_ctx, "NEW COMMAND:");
 763         sprintf( buf, "%s %s %s %s %s %s %s %s %s %s",
 764                          Jim_GetString( newargs[0], NULL ),
 765                          Jim_GetString( newargs[1], NULL ),
 766                          Jim_GetString( newargs[2], NULL ),
 767                          Jim_GetString( newargs[3], NULL ),
 768                          Jim_GetString( newargs[4], NULL ),
 769                          Jim_GetString( newargs[5], NULL ),
 770                          Jim_GetString( newargs[6], NULL ),
 771                          Jim_GetString( newargs[7], NULL ),
 772                          Jim_GetString( newargs[8], NULL ),
 773                          Jim_GetString( newargs[9], NULL ) );
 774
 775         e = jim_jtag_command( interp, 10, newargs );
 776         if( e != JIM_OK ){
 777                 command_print( cmd_ctx, "%s", Jim_GetString( Jim_GetResult(interp), NULL ) );
 778         }
 779         return e;
 780 }
 781
 782 static int handle_scan_chain_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 783 {
 784         jtag_tap_t *tap;
 785
 786         tap = jtag_all_taps();
 787         command_print(cmd_ctx, "     TapName            | Enabled |   IdCode      Expected    IrLen IrCap  IrMask Instr     ");
 788         command_print(cmd_ctx, "---|--------------------|---------|------------|------------|------|------|------|---------");
 789
 790         while( tap ){
 791                 u32 expected, expected_mask, cur_instr, ii;
 792                 expected = buf_get_u32(tap->expected, 0, tap->ir_length);
 793                 expected_mask = buf_get_u32(tap->expected_mask, 0, tap->ir_length);
 794                 cur_instr = buf_get_u32(tap->cur_instr, 0, tap->ir_length);
 795
 796                 command_print(cmd_ctx,
 797                                           "%2d | %-18s |    %c    | 0x%08x | 0x%08x | 0x%02x | 0x%02x | 0x%02x | 0x%02x",
 798                                           tap->abs_chain_position,
 799                                           tap->dotted_name,
 800                                           tap->enabled ? 'Y' : 'n',
 801                                           tap->idcode,
 802                                           (tap->expected_ids_cnt > 0 ? tap->expected_ids[0] : 0),
 803                                           tap->ir_length,
 804                                           expected,
 805                                           expected_mask,
 806                                           cur_instr);
 807
 808                 for (ii = 1; ii < tap->expected_ids_cnt; ii++) {
 809                         command_print(cmd_ctx, "   |                    |         |            | 0x%08x |      |      |      |         ",
 810                                                   tap->expected_ids[ii]);
 811                 }
 812
 813                 tap = tap->next_tap;
 814         }
 815
 816         return ERROR_OK;
 817 }
 818
 819 static int handle_reset_config_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 820 {
 821         int new_cfg = 0;
 822         int mask = 0;
 823
 824         if (argc < 1)
 825                 return ERROR_COMMAND_SYNTAX_ERROR;
 826
 827         /* Original versions cared about the order of these tokens:
 828          *   reset_config signals [combination [trst_type [srst_type]]]
 829          * They also clobbered the previous configuration even on error.
 830          *
 831          * Here we don't care about the order, and only change values
 832          * which have been explicitly specified.
 833          */
 834         for (; argc; argc--, args++) {
 835                 int tmp = 0;
 836                 int m;
 837
 838                 /* signals */
 839                 m = RESET_HAS_TRST | RESET_HAS_SRST;
 840                 if (strcmp(*args, "none") == 0)
 841                         tmp = RESET_NONE;
 842                 else if (strcmp(*args, "trst_only") == 0)
 843                         tmp = RESET_HAS_TRST;
 844                 else if (strcmp(*args, "srst_only") == 0)
 845                         tmp = RESET_HAS_SRST;
 846                 else if (strcmp(*args, "trst_and_srst") == 0)
 847                         tmp = RESET_HAS_TRST | RESET_HAS_SRST;
 848                 else
 849                         m = 0;
 850                 if (mask & m) {
 851                         LOG_ERROR("extra reset_config %s spec (%s)",
 852                                         "signal", *args);
 853                         return ERROR_INVALID_ARGUMENTS;
 854                 }
 855                 if (m)
 856                         goto next;
 857
 858                 /* combination (options for broken wiring) */
 859                 m = RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST;
 860                 if (strcmp(*args, "separate") == 0)
 861                         /* separate reset lines - default */;
 862                 else if (strcmp(*args, "srst_pulls_trst") == 0)
 863                         tmp |= RESET_SRST_PULLS_TRST;
 864                 else if (strcmp(*args, "trst_pulls_srst") == 0)
 865                         tmp |= RESET_TRST_PULLS_SRST;
 866                 else if (strcmp(*args, "combined") == 0)
 867                         tmp |= RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST;
 868                 else
 869                         m = 0;
 870                 if (mask & m) {
 871                         LOG_ERROR("extra reset_config %s spec (%s)",
 872                                         "combination", *args);
 873                         return ERROR_INVALID_ARGUMENTS;
 874                 }
 875                 if (m)
 876                         goto next;
 877
 878                 /* trst_type (NOP without HAS_TRST) */
 879                 m = RESET_TRST_OPEN_DRAIN;
 880                 if (strcmp(*args, "trst_open_drain") == 0)
 881                         tmp |= RESET_TRST_OPEN_DRAIN;
 882                 else if (strcmp(*args, "trst_push_pull") == 0)
 883                         /* push/pull from adapter - default */;
 884                 else
 885                         m = 0;
 886                 if (mask & m) {
 887                         LOG_ERROR("extra reset_config %s spec (%s)",
 888                                         "trst_type", *args);
 889                         return ERROR_INVALID_ARGUMENTS;
 890                 }
 891                 if (m)
 892                         goto next;
 893
 894                 /* srst_type (NOP without HAS_SRST) */
 895                 m |= RESET_SRST_PUSH_PULL;
 896                 if (strcmp(*args, "srst_push_pull") == 0)
 897                         tmp |= RESET_SRST_PUSH_PULL;
 898                 else if (strcmp(*args, "srst_open_drain") == 0)
 899                         /* open drain from adapter - default */;
 900                 else
 901                         m = 0;
 902                 if (mask & m) {
 903                         LOG_ERROR("extra reset_config %s spec (%s)",
 904                                         "srst_type", *args);
 905                         return ERROR_INVALID_ARGUMENTS;
 906                 }
 907                 if (m)
 908                         goto next;
 909
 910                 /* caller provided nonsense; fail */
 911                 LOG_ERROR("unknown reset_config flag (%s)", *args);
 912                 return ERROR_INVALID_ARGUMENTS;
 913
 914 next:
 915                 /* Remember the bits which were specified (mask)
 916                  * and their new values (new_cfg).
 917                  */
 918                 mask |= m;
 919                 new_cfg |= tmp;
 920         }
 921
 922         /* clear previous values of those bits, save new values */
 923         jtag_reset_config &= ~mask;
 924         jtag_reset_config |= new_cfg;
 925
 926         return ERROR_OK;
 927 }
 928
 929 static int handle_jtag_nsrst_delay_command(struct command_context_s *cmd_ctx,
 930                 char *cmd, char **args, int argc)
 931 {
 932         if (argc > 1)
 933                 return ERROR_COMMAND_SYNTAX_ERROR;
 934         if (argc == 1)
 935                 jtag_set_nsrst_delay(strtoul(args[0], NULL, 0));
 936         command_print(cmd_ctx, "jtag_nsrst_delay: %u", jtag_get_nsrst_delay());
 937         return ERROR_OK;
 938 }
 939
 940 static int handle_jtag_ntrst_delay_command(struct command_context_s *cmd_ctx,
 941                 char *cmd, char **args, int argc)
 942 {
 943         if (argc > 1)
 944                 return ERROR_COMMAND_SYNTAX_ERROR;
 945         if (argc == 1)
 946                 jtag_set_ntrst_delay(strtoul(args[0], NULL, 0));
 947         command_print(cmd_ctx, "jtag_ntrst_delay: %u", jtag_get_ntrst_delay());
 948         return ERROR_OK;
 949 }
 950
 951 static int handle_jtag_speed_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 952 {
 953         int retval = ERROR_OK;
 954
 955         if (argc > 1)
 956                 return ERROR_COMMAND_SYNTAX_ERROR;
 957         if (argc == 1)
 958         {
 959                 LOG_DEBUG("handle jtag speed");
 960
 961                 int cur_speed = 0;
 962                 cur_speed = jtag_speed = strtoul(args[0], NULL, 0);
 963
 964                 /* this command can be called during CONFIG,
 965                  * in which case jtag isn't initialized */
 966                 if (jtag)
 967                         retval = jtag->speed(cur_speed);
 968         }
 969         command_print(cmd_ctx, "jtag_speed: %d", jtag_speed);
 970
 971         return retval;
 972 }
 973
 974 static int handle_jtag_khz_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 975 {
 976         if (argc > 1)
 977                 return ERROR_COMMAND_SYNTAX_ERROR;
 978
 979         int retval = ERROR_OK;
 980         int cur_speed = 0;
 981         if (argc == 1)
 982         {
 983                 LOG_DEBUG("handle jtag khz");
 984
 985                 jtag_set_speed_khz(strtoul(args[0], NULL, 0));
 986                 if (jtag != NULL)
 987                 {
 988                         LOG_DEBUG("have interface set up");
 989                         int speed_div1;
 990                         retval = jtag->khz(jtag_get_speed_khz(), &speed_div1);
 991                         if (ERROR_OK != retval)
 992                         {
 993                                 jtag_set_speed_khz(0);
 994                                 return retval;
 995                         }
 996                         cur_speed = jtag_speed = speed_div1;
 997
 998                         retval = jtag->speed(cur_speed);
 999                 }
1000                 else
1001                         hasKHz = true;
1002         }
1003
1004         cur_speed = jtag_get_speed_khz();
1005         if (jtag != NULL)
1006         {
1007                 retval = jtag->speed_div(jtag_speed, &cur_speed);
1008                 if (ERROR_OK != retval)
1009                         return retval;
1010         }
1011
1012         if (cur_speed)
1013                 command_print(cmd_ctx, "%d kHz", cur_speed);
1014         else
1015                 command_print(cmd_ctx, "RCLK - adaptive");
1016         return retval;
1017
1018 }
1019
1020 static int handle_jtag_reset_command(struct command_context_s *cmd_ctx,
1021                 char *cmd, char **args, int argc)
1022 {
1023         if (argc != 2)
1024                 return ERROR_COMMAND_SYNTAX_ERROR;
1025
1026         int trst = -1;
1027         if (args[0][0] == '1')
1028                 trst = 1;
1029         else if (args[0][0] == '0')
1030                 trst = 0;
1031         else
1032                 return ERROR_COMMAND_SYNTAX_ERROR;
1033
1034         int srst = -1;
1035         if (args[1][0] == '1')
1036                 srst = 1;
1037         else if (args[1][0] == '0')
1038                 srst = 0;
1039         else
1040                 return ERROR_COMMAND_SYNTAX_ERROR;
1041
1042         if (jtag_interface_init(cmd_ctx) != ERROR_OK)
1043                 return ERROR_JTAG_INIT_FAILED;
1044
1045         jtag_add_reset(trst, srst);
1046         jtag_execute_queue();
1047
1048         return ERROR_OK;
1049 }
1050
1051 static int handle_runtest_command(struct command_context_s *cmd_ctx,
1052                 char *cmd, char **args, int argc)
1053 {
1054         if (argc != 1)
1055                 return ERROR_COMMAND_SYNTAX_ERROR;
1056
1057         jtag_add_runtest(strtol(args[0], NULL, 0), jtag_get_end_state());
1058         jtag_execute_queue();
1059
1060         return ERROR_OK;
1061 }
1062
1063 /*
1064  * For "irscan" or "drscan" commands, the "end" (really, "next") state
1065  * should be stable ... and *NOT* a shift state, otherwise free-running
1066  * jtag clocks could change the values latched by the update state.
1067  */
1068 static bool scan_is_safe(tap_state_t state)
1069 {
1070         switch (state)
1071         {
1072         case TAP_RESET:
1073         case TAP_IDLE:
1074         case TAP_DRPAUSE:
1075         case TAP_IRPAUSE:
1076                 return true;
1077         default:
1078                 return false;
1079         }
1080 }
1081
1082
1083 static int handle_irscan_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1084 {
1085         int i;
1086         scan_field_t *fields;
1087         jtag_tap_t *tap;
1088         tap_state_t endstate;
1089
1090         if ((argc < 2) || (argc % 2))
1091         {
1092                 return ERROR_COMMAND_SYNTAX_ERROR;
1093         }
1094
1095         /* optional "-endstate" "statename" at the end of the arguments,
1096          * so that e.g. IRPAUSE can let us load the data register before
1097          * entering RUN/IDLE to execute the instruction we load here.
1098          */
1099         endstate = TAP_IDLE;
1100
1101         if( argc >= 4 ){
1102                 /* have at least one pair of numbers. */
1103                 /* is last pair the magic text? */
1104                 if( 0 == strcmp( "-endstate", args[ argc - 2 ] ) ){
1105                         const char *cpA;
1106                         const char *cpS;
1107                         cpA = args[ argc-1 ];
1108                         for( endstate = 0 ; endstate < TAP_NUM_STATES ; endstate++ ){
1109                                 cpS = tap_state_name( endstate );
1110                                 if( 0 == strcmp( cpA, cpS ) ){
1111                                         break;
1112                                 }
1113                         }
1114                         if( endstate >= TAP_NUM_STATES ){
1115                                 return ERROR_COMMAND_SYNTAX_ERROR;
1116                         } else {
1117                                 if (!scan_is_safe(endstate))
1118                                         LOG_WARNING("irscan with unsafe "
1119                                                         "endstate \"%s\"", cpA);
1120                                 /* found - remove the last 2 args */
1121                                 argc -= 2;
1122                         }
1123                 }
1124         }
1125
1126         int num_fields = argc / 2;
1127
1128         fields = malloc(sizeof(scan_field_t) * num_fields);
1129
1130         for (i = 0; i < num_fields; i++)
1131         {
1132                 tap = jtag_tap_by_string( args[i*2] );
1133                 if (tap==NULL)
1134                 {
1135                         command_print( cmd_ctx, "Tap: %s unknown", args[i*2] );
1136                         return ERROR_FAIL;
1137                 }
1138                 int field_size = tap->ir_length;
1139                 fields[i].tap = tap;
1140                 fields[i].num_bits = field_size;
1141                 fields[i].out_value = malloc(CEIL(field_size, 8));
1142                 buf_set_u32(fields[i].out_value, 0, field_size, strtoul(args[i*2+1], NULL, 0));
1143                 fields[i].in_value = NULL;
1144         }
1145
1146         /* did we have an endstate? */
1147         jtag_add_ir_scan(num_fields, fields, endstate);
1148
1149         int retval=jtag_execute_queue();
1150
1151         for (i = 0; i < num_fields; i++)
1152                 free(fields[i].out_value);
1153
1154         free (fields);
1155
1156         return retval;
1157 }
1158
1159 static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *args)
1160 {
1161         int retval;
1162         scan_field_t *fields;
1163         int num_fields;
1164         int field_count = 0;
1165         int i, e;
1166         jtag_tap_t *tap;
1167         tap_state_t endstate;
1168
1169         /* args[1] = device
1170          * args[2] = num_bits
1171          * args[3] = hex string
1172          * ... repeat num bits and hex string ...
1173          *
1174          * .. optionally:
1175         *     args[N-2] = "-endstate"
1176          *     args[N-1] = statename
1177          */
1178         if ((argc < 4) || ((argc % 2)!=0))
1179         {
1180                 Jim_WrongNumArgs(interp, 1, args, "wrong arguments");
1181                 return JIM_ERR;
1182         }
1183
1184         endstate = TAP_IDLE;
1185
1186         /* validate arguments as numbers */
1187         e = JIM_OK;
1188         for (i = 2; i < argc; i+=2)
1189         {
1190                 long bits;
1191                 const char *cp;
1192
1193                 e = Jim_GetLong(interp, args[i], &bits);
1194                 /* If valid - try next arg */
1195                 if( e == JIM_OK ){
1196                         continue;
1197                 }
1198
1199                 /* Not valid.. are we at the end? */
1200                 if ( ((i+2) != argc) ){
1201                         /* nope, then error */
1202                         return e;
1203                 }
1204
1205                 /* it could be: "-endstate FOO"
1206                  * e.g. DRPAUSE so we can issue more instructions
1207                  * before entering RUN/IDLE and executing them.
1208                  */
1209
1210                 /* get arg as a string. */
1211                 cp = Jim_GetString( args[i], NULL );
1212                 /* is it the magic? */
1213                 if( 0 == strcmp( "-endstate", cp ) ){
1214                         /* is the statename valid? */
1215                         cp = Jim_GetString( args[i+1], NULL );
1216
1217                         /* see if it is a valid state name */
1218                         endstate = tap_state_by_name(cp);
1219                         if( endstate < 0 ){
1220                                 /* update the error message */
1221                                 Jim_SetResult_sprintf(interp,"endstate: %s invalid", cp );
1222                         } else {
1223                                 if (!scan_is_safe(endstate))
1224                                         LOG_WARNING("drscan with unsafe "
1225                                                         "endstate \"%s\"", cp);
1226
1227                                 /* valid - so clear the error */
1228                                 e = JIM_OK;
1229                                 /* and remove the last 2 args */
1230                                 argc -= 2;
1231                         }
1232                 }
1233
1234                 /* Still an error? */
1235                 if( e != JIM_OK ){
1236                         return e; /* too bad */
1237                 }
1238         } /* validate args */
1239
1240         tap = jtag_tap_by_jim_obj( interp, args[1] );
1241         if( tap == NULL ){
1242                 return JIM_ERR;
1243         }
1244
1245         num_fields=(argc-2)/2;
1246         fields = malloc(sizeof(scan_field_t) * num_fields);
1247         for (i = 2; i < argc; i+=2)
1248         {
1249                 long bits;
1250                 int len;
1251                 const char *str;
1252
1253                 Jim_GetLong(interp, args[i], &bits);
1254                 str = Jim_GetString(args[i+1], &len);
1255
1256                 fields[field_count].tap = tap;
1257                 fields[field_count].num_bits = bits;
1258                 fields[field_count].out_value = malloc(CEIL(bits, 8));
1259                 str_to_buf(str, len, fields[field_count].out_value, bits, 0);
1260                 fields[field_count].in_value = fields[field_count].out_value;
1261                 field_count++;
1262         }
1263
1264         jtag_add_dr_scan(num_fields, fields, endstate);
1265
1266         retval = jtag_execute_queue();
1267         if (retval != ERROR_OK)
1268         {
1269                 Jim_SetResultString(interp, "drscan: jtag execute failed",-1);
1270                 return JIM_ERR;
1271         }
1272
1273         field_count=0;
1274         Jim_Obj *list = Jim_NewListObj(interp, NULL, 0);
1275         for (i = 2; i < argc; i+=2)
1276         {
1277                 long bits;
1278                 char *str;
1279
1280                 Jim_GetLong(interp, args[i], &bits);
1281                 str = buf_to_str(fields[field_count].in_value, bits, 16);
1282                 free(fields[field_count].out_value);
1283
1284                 Jim_ListAppendElement(interp, list, Jim_NewStringObj(interp, str, strlen(str)));
1285                 free(str);
1286                 field_count++;
1287         }
1288
1289         Jim_SetResult(interp, list);
1290
1291         free(fields);
1292
1293         return JIM_OK;
1294 }
1295
1296
1297 static int Jim_Command_flush_count(Jim_Interp *interp, int argc, Jim_Obj *const *args)
1298 {
1299         Jim_SetResult(interp, Jim_NewIntObj(interp, jtag_get_flush_queue_count()));
1300
1301         return JIM_OK;
1302 }
1303
1304
1305 static int handle_verify_ircapture_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1306 {
1307         if (argc == 1)
1308         {
1309                 if (strcmp(args[0], "enable") == 0)
1310                 {
1311                         jtag_verify_capture_ir = 1;
1312                 }
1313                 else if (strcmp(args[0], "disable") == 0)
1314                 {
1315                         jtag_verify_capture_ir = 0;
1316                 } else
1317                 {
1318                         return ERROR_COMMAND_SYNTAX_ERROR;
1319                 }
1320         } else if (argc != 0)
1321         {
1322                 return ERROR_COMMAND_SYNTAX_ERROR;
1323         }
1324
1325         command_print(cmd_ctx, "verify Capture-IR is %s", (jtag_verify_capture_ir) ? "enabled": "disabled");
1326
1327         return ERROR_OK;
1328 }
1329
1330 static int handle_verify_jtag_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1331 {
1332         if (argc > 1)
1333                 return ERROR_COMMAND_SYNTAX_ERROR;
1334
1335         if (argc == 1)
1336         {
1337                 if (strcmp(args[0], "enable") == 0)
1338                         jtag_set_verify(true);
1339                 else if (strcmp(args[0], "disable") == 0)
1340                         jtag_set_verify(false);
1341                 else
1342                         return ERROR_COMMAND_SYNTAX_ERROR;
1343         }
1344
1345         const char *status = jtag_will_verify() ? "enabled": "disabled";
1346         command_print(cmd_ctx, "verify jtag capture is %s", status);
1347
1348         return ERROR_OK;
1349 }
1350
1351 static int handle_tms_sequence_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1352 {
1353         if (argc > 1)
1354                 return ERROR_COMMAND_SYNTAX_ERROR;
1355
1356         if (argc == 1)
1357         {
1358                 bool use_new_table;
1359                 if (strcmp(args[0], "short") == 0)
1360                         use_new_table = true;
1361                 else if (strcmp(args[0], "long") == 0)
1362                         use_new_table = false;
1363                 else
1364                         return ERROR_COMMAND_SYNTAX_ERROR;
1365
1366                 tap_use_new_tms_table(use_new_table);
1367         }
1368
1369         command_print(cmd_ctx, "tms sequence is  %s",
1370                         tap_uses_new_tms_table() ? "short": "long");
1371
1372         return ERROR_OK;
1373 }
1374