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   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 static const Jim_Nvp nvp_jtag_tap_event[] = {
  43         { .value = JTAG_TAP_EVENT_ENABLE,       .name = "tap-enable" },
  44         { .value = JTAG_TAP_EVENT_DISABLE,      .name = "tap-disable" },
  45
  46         { .name = NULL, .value = -1 }
  47 };
  48
  49 /* jtag interfaces (parport, FTDI-USB, TI-USB, ...)
  50  */
  51
  52 #if BUILD_ECOSBOARD == 1
  53         extern jtag_interface_t zy1000_interface;
  54 #elif defined(BUILD_MINIDRIVER_DUMMY)
  55         extern jtag_interface_t minidummy_interface;
  56 #else // standard drivers
  57 #if BUILD_PARPORT == 1
  58         extern jtag_interface_t parport_interface;
  59 #endif
  60
  61 #if BUILD_DUMMY == 1
  62         extern jtag_interface_t dummy_interface;
  63 #endif
  64
  65 #if BUILD_FT2232_FTD2XX == 1
  66         extern jtag_interface_t ft2232_interface;
  67 #endif
  68
  69 #if BUILD_FT2232_LIBFTDI == 1
  70         extern jtag_interface_t ft2232_interface;
  71 #endif
  72
  73 #if BUILD_AMTJTAGACCEL == 1
  74         extern jtag_interface_t amt_jtagaccel_interface;
  75 #endif
  76
  77 #if BUILD_EP93XX == 1
  78         extern jtag_interface_t ep93xx_interface;
  79 #endif
  80
  81 #if BUILD_AT91RM9200 == 1
  82         extern jtag_interface_t at91rm9200_interface;
  83 #endif
  84
  85 #if BUILD_GW16012 == 1
  86         extern jtag_interface_t gw16012_interface;
  87 #endif
  88
  89 #if BUILD_PRESTO_LIBFTDI == 1 || BUILD_PRESTO_FTD2XX == 1
  90         extern jtag_interface_t presto_interface;
  91 #endif
  92
  93 #if BUILD_USBPROG == 1
  94         extern jtag_interface_t usbprog_interface;
  95 #endif
  96
  97 #if BUILD_JLINK == 1
  98         extern jtag_interface_t jlink_interface;
  99 #endif
 100
 101 #if BUILD_VSLLINK == 1
 102         extern jtag_interface_t vsllink_interface;
 103 #endif
 104
 105 #if BUILD_RLINK == 1
 106         extern jtag_interface_t rlink_interface;
 107 #endif
 108
 109 #if BUILD_ARMJTAGEW == 1
 110         extern jtag_interface_t armjtagew_interface;
 111 #endif
 112 #endif // standard drivers
 113
 114 /**
 115  * The list of built-in JTAG interfaces, containing entries for those
 116  * drivers that were enabled by the @c configure script.
 117  *
 118  * The list should be defined to contain either one minidriver interface
 119  * or some number of standard driver interfaces, never both.
 120  */
 121 jtag_interface_t *jtag_interfaces[] = {
 122 #if BUILD_ECOSBOARD == 1
 123         &zy1000_interface,
 124 #elif defined(BUILD_MINIDRIVER_DUMMY)
 125         &minidummy_interface,
 126 #else // standard drivers
 127 #if BUILD_PARPORT == 1
 128         &parport_interface,
 129 #endif
 130 #if BUILD_DUMMY == 1
 131         &dummy_interface,
 132 #endif
 133 #if BUILD_FT2232_FTD2XX == 1
 134         &ft2232_interface,
 135 #endif
 136 #if BUILD_FT2232_LIBFTDI == 1
 137         &ft2232_interface,
 138 #endif
 139 #if BUILD_AMTJTAGACCEL == 1
 140         &amt_jtagaccel_interface,
 141 #endif
 142 #if BUILD_EP93XX == 1
 143         &ep93xx_interface,
 144 #endif
 145 #if BUILD_AT91RM9200 == 1
 146         &at91rm9200_interface,
 147 #endif
 148 #if BUILD_GW16012 == 1
 149         &gw16012_interface,
 150 #endif
 151 #if BUILD_PRESTO_LIBFTDI == 1 || BUILD_PRESTO_FTD2XX == 1
 152         &presto_interface,
 153 #endif
 154 #if BUILD_USBPROG == 1
 155         &usbprog_interface,
 156 #endif
 157 #if BUILD_JLINK == 1
 158         &jlink_interface,
 159 #endif
 160 #if BUILD_VSLLINK == 1
 161         &vsllink_interface,
 162 #endif
 163 #if BUILD_RLINK == 1
 164         &rlink_interface,
 165 #endif
 166 #if BUILD_ARMJTAGEW == 1
 167         &armjtagew_interface,
 168 #endif
 169 #endif // standard drivers
 170         NULL,
 171 };
 172
 173 extern jtag_interface_t *jtag_interface;
 174
 175 /* jtag commands */
 176 static int handle_interface_list_command(struct command_context_s *cmd_ctx,
 177                 char *cmd, char **args, int argc);
 178 static int handle_interface_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 179 static int handle_jtag_speed_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 180 static int handle_jtag_khz_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 181 static int handle_jtag_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 182 static int handle_reset_config_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 183 static int handle_jtag_nsrst_delay_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 184 static int handle_jtag_ntrst_delay_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 185
 186 static int handle_scan_chain_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 187
 188 static int handle_jtag_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 189 static int handle_runtest_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 190 static int handle_irscan_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 191 static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
 192 static int Jim_Command_pathmove(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
 193 static int Jim_Command_flush_count(Jim_Interp *interp, int argc, Jim_Obj *const *args);
 194
 195 static int handle_verify_ircapture_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 196 static int handle_verify_jtag_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 197 static int handle_tms_sequence_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 198
 199 extern int jtag_examine_chain(void);
 200 extern int jtag_validate_chain(void);
 201
 202 enum jtag_tap_cfg_param {
 203         JCFG_EVENT
 204 };
 205
 206 static Jim_Nvp nvp_config_opts[] = {
 207         { .name = "-event",      .value = JCFG_EVENT },
 208
 209         { .name = NULL,          .value = -1 }
 210 };
 211
 212 static int jtag_tap_configure_cmd( Jim_GetOptInfo *goi, jtag_tap_t * tap)
 213 {
 214         Jim_Nvp *n;
 215         Jim_Obj *o;
 216         int e;
 217
 218         /* parse config or cget options */
 219         while (goi->argc > 0) {
 220                 Jim_SetEmptyResult (goi->interp);
 221
 222                 e = Jim_GetOpt_Nvp(goi, nvp_config_opts, &n);
 223                 if (e != JIM_OK) {
 224                         Jim_GetOpt_NvpUnknown(goi, nvp_config_opts, 0);
 225                         return e;
 226                 }
 227
 228                 switch (n->value) {
 229                         case JCFG_EVENT:
 230                                 if (goi->argc == 0) {
 231                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ..." );
 232                                         return JIM_ERR;
 233                                 }
 234
 235                                 e = Jim_GetOpt_Nvp( goi, nvp_jtag_tap_event, &n );
 236                                 if (e != JIM_OK) {
 237                                         Jim_GetOpt_NvpUnknown(goi, nvp_jtag_tap_event, 1);
 238                                         return e;
 239                                 }
 240
 241                                 if (goi->isconfigure) {
 242                                         if (goi->argc != 1) {
 243                                                 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
 244                                                 return JIM_ERR;
 245                                         }
 246                                 } else {
 247                                         if (goi->argc != 0) {
 248                                                 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
 249                                                 return JIM_ERR;
 250                                         }
 251                                 }
 252
 253                                 {
 254                                         jtag_tap_event_action_t *jteap;
 255
 256                                         jteap = tap->event_action;
 257                                         /* replace existing? */
 258                                         while (jteap) {
 259                                                 if (jteap->event == (enum jtag_tap_event)n->value) {
 260                                                         break;
 261                                                 }
 262                                                 jteap = jteap->next;
 263                                         }
 264
 265                                         if (goi->isconfigure) {
 266                                                 if (jteap == NULL) {
 267                                                         /* create new */
 268                                                         jteap = calloc(1, sizeof (*jteap));
 269                                                 }
 270                                                 jteap->event = n->value;
 271                                                 Jim_GetOpt_Obj( goi, &o);
 272                                                 if (jteap->body) {
 273                                                         Jim_DecrRefCount(interp, jteap->body);
 274                                                 }
 275                                                 jteap->body = Jim_DuplicateObj(goi->interp, o);
 276                                                 Jim_IncrRefCount(jteap->body);
 277
 278                                                 /* add to head of event list */
 279                                                 jteap->next = tap->event_action;
 280                                                 tap->event_action = jteap;
 281                                                 Jim_SetEmptyResult(goi->interp);
 282                                         } else {
 283                                                 /* get */
 284                                                 if (jteap == NULL) {
 285                                                         Jim_SetEmptyResult(goi->interp);
 286                                                 } else {
 287                                                         Jim_SetResult(goi->interp, Jim_DuplicateObj(goi->interp, jteap->body));
 288                                                 }
 289                                         }
 290                                 }
 291                                 /* loop for more */
 292                                 break;
 293                 }
 294         } /* while (goi->argc) */
 295
 296         return JIM_OK;
 297 }
 298
 299
 300 extern void jtag_tap_init(jtag_tap_t *tap);
 301 extern void jtag_tap_free(jtag_tap_t *tap);
 302
 303 static int jim_newtap_cmd( Jim_GetOptInfo *goi )
 304 {
 305         jtag_tap_t *pTap;
 306         jim_wide w;
 307         int x;
 308         int e;
 309         int reqbits;
 310         Jim_Nvp *n;
 311         char *cp;
 312         const Jim_Nvp opts[] = {
 313 #define NTAP_OPT_IRLEN     0
 314                 { .name = "-irlen"                      ,       .value = NTAP_OPT_IRLEN },
 315 #define NTAP_OPT_IRMASK    1
 316                 { .name = "-irmask"                     ,       .value = NTAP_OPT_IRMASK },
 317 #define NTAP_OPT_IRCAPTURE 2
 318                 { .name = "-ircapture"          ,       .value = NTAP_OPT_IRCAPTURE },
 319 #define NTAP_OPT_ENABLED   3
 320                 { .name = "-enable"                     ,       .value = NTAP_OPT_ENABLED },
 321 #define NTAP_OPT_DISABLED  4
 322                 { .name = "-disable"            ,       .value = NTAP_OPT_DISABLED },
 323 #define NTAP_OPT_EXPECTED_ID 5
 324                 { .name = "-expected-id"        ,       .value = NTAP_OPT_EXPECTED_ID },
 325                 { .name = NULL                          ,       .value = -1 },
 326         };
 327
 328         pTap = malloc( sizeof(jtag_tap_t) );
 329         memset( pTap, 0, sizeof(*pTap) );
 330         if( !pTap ){
 331                 Jim_SetResult_sprintf( goi->interp, "no memory");
 332                 return JIM_ERR;
 333         }
 334         /*
 335          * we expect CHIP + TAP + OPTIONS
 336          * */
 337         if( goi->argc < 3 ){
 338                 Jim_SetResult_sprintf(goi->interp, "Missing CHIP TAP OPTIONS ....");
 339                 return JIM_ERR;
 340         }
 341         Jim_GetOpt_String( goi, &cp, NULL );
 342         pTap->chip = strdup(cp);
 343
 344         Jim_GetOpt_String( goi, &cp, NULL );
 345         pTap->tapname = strdup(cp);
 346
 347         /* name + dot + name + null */
 348         x = strlen(pTap->chip) + 1 + strlen(pTap->tapname) + 1;
 349         cp = malloc( x );
 350         sprintf( cp, "%s.%s", pTap->chip, pTap->tapname );
 351         pTap->dotted_name = cp;
 352
 353         LOG_DEBUG("Creating New Tap, Chip: %s, Tap: %s, Dotted: %s, %d params",
 354                           pTap->chip, pTap->tapname, pTap->dotted_name, goi->argc);
 355
 356         /* default is enabled */
 357         pTap->enabled = 1;
 358
 359         /* deal with options */
 360 #define NTREQ_IRLEN      1
 361 #define NTREQ_IRCAPTURE  2
 362 #define NTREQ_IRMASK     4
 363
 364         /* clear them as we find them */
 365         reqbits = (NTREQ_IRLEN | NTREQ_IRCAPTURE | NTREQ_IRMASK);
 366
 367         while( goi->argc ){
 368                 e = Jim_GetOpt_Nvp( goi, opts, &n );
 369                 if( e != JIM_OK ){
 370                         Jim_GetOpt_NvpUnknown( goi, opts, 0 );
 371                         return e;
 372                 }
 373                 LOG_DEBUG("Processing option: %s", n->name );
 374                 switch( n->value ){
 375                 case NTAP_OPT_ENABLED:
 376                         pTap->enabled = 1;
 377                         break;
 378                 case NTAP_OPT_DISABLED:
 379                         pTap->enabled = 0;
 380                         break;
 381                 case NTAP_OPT_EXPECTED_ID:
 382                 {
 383                         u32 *new_expected_ids;
 384
 385                         e = Jim_GetOpt_Wide( goi, &w );
 386                         if( e != JIM_OK) {
 387                                 Jim_SetResult_sprintf(goi->interp, "option: %s bad parameter", n->name);
 388                                 return e;
 389                         }
 390
 391                         new_expected_ids = malloc(sizeof(u32) * (pTap->expected_ids_cnt + 1));
 392                         if (new_expected_ids == NULL) {
 393                                 Jim_SetResult_sprintf( goi->interp, "no memory");
 394                                 return JIM_ERR;
 395                         }
 396
 397                         memcpy(new_expected_ids, pTap->expected_ids, sizeof(u32) * pTap->expected_ids_cnt);
 398
 399                         new_expected_ids[pTap->expected_ids_cnt] = w;
 400
 401                         free(pTap->expected_ids);
 402                         pTap->expected_ids = new_expected_ids;
 403                         pTap->expected_ids_cnt++;
 404                         break;
 405                 }
 406                 case NTAP_OPT_IRLEN:
 407                 case NTAP_OPT_IRMASK:
 408                 case NTAP_OPT_IRCAPTURE:
 409                         e = Jim_GetOpt_Wide( goi, &w );
 410                         if( e != JIM_OK ){
 411                                 Jim_SetResult_sprintf( goi->interp, "option: %s bad parameter", n->name );
 412                                 return e;
 413                         }
 414                         if( (w < 0) || (w > 0xffff) ){
 415                                 /* wacky value */
 416                                 Jim_SetResult_sprintf( goi->interp, "option: %s - wacky value: %d (0x%x)",
 417                                                                            n->name, (int)(w), (int)(w));
 418                                 return JIM_ERR;
 419                         }
 420                         switch(n->value){
 421                         case NTAP_OPT_IRLEN:
 422                                 pTap->ir_length = w;
 423                                 reqbits &= (~(NTREQ_IRLEN));
 424                                 break;
 425                         case NTAP_OPT_IRMASK:
 426                                 pTap->ir_capture_mask = w;
 427                                 reqbits &= (~(NTREQ_IRMASK));
 428                                 break;
 429                         case NTAP_OPT_IRCAPTURE:
 430                                 pTap->ir_capture_value = w;
 431                                 reqbits &= (~(NTREQ_IRCAPTURE));
 432                                 break;
 433                         }
 434                 } /* switch(n->value) */
 435         } /* while( goi->argc ) */
 436
 437         /* Did all the required option bits get cleared? */
 438         if (0 == reqbits)
 439         {
 440                 jtag_tap_init(pTap);
 441                 return ERROR_OK;
 442         }
 443
 444         Jim_SetResult_sprintf(goi->interp,
 445                         "newtap: %s missing required parameters",
 446                         pTap->dotted_name);
 447         jtag_tap_free(pTap);
 448         return JIM_ERR;
 449 }
 450
 451 static void jtag_tap_handle_event( jtag_tap_t * tap, enum jtag_tap_event e)
 452 {
 453         jtag_tap_event_action_t * jteap;
 454         int done;
 455
 456         jteap = tap->event_action;
 457
 458         done = 0;
 459         while (jteap) {
 460                 if (jteap->event == e) {
 461                         done = 1;
 462                         LOG_DEBUG( "JTAG tap: %s event: %d (%s) action: %s\n",
 463                                         tap->dotted_name,
 464                                         e,
 465                                         Jim_Nvp_value2name_simple(nvp_jtag_tap_event, e)->name,
 466                                         Jim_GetString(jteap->body, NULL) );
 467                         if (Jim_EvalObj(interp, jteap->body) != JIM_OK) {
 468                                 Jim_PrintErrorMessage(interp);
 469                         }
 470                 }
 471
 472                 jteap = jteap->next;
 473         }
 474
 475         if (!done) {
 476                 LOG_DEBUG( "event %d %s - no action",
 477                                 e,
 478                                 Jim_Nvp_value2name_simple( nvp_jtag_tap_event, e)->name);
 479         }
 480 }
 481
 482
 483 static int jim_jtag_command( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
 484 {
 485         Jim_GetOptInfo goi;
 486         int e;
 487         Jim_Nvp *n;
 488         Jim_Obj *o;
 489         struct command_context_s *context;
 490
 491         enum {
 492                 JTAG_CMD_INTERFACE,
 493                 JTAG_CMD_INIT_RESET,
 494                 JTAG_CMD_NEWTAP,
 495                 JTAG_CMD_TAPENABLE,
 496                 JTAG_CMD_TAPDISABLE,
 497                 JTAG_CMD_TAPISENABLED,
 498                 JTAG_CMD_CONFIGURE,
 499                 JTAG_CMD_CGET
 500         };
 501
 502         const Jim_Nvp jtag_cmds[] = {
 503                 { .name = "interface"     , .value = JTAG_CMD_INTERFACE },
 504                 { .name = "arp_init-reset", .value = JTAG_CMD_INIT_RESET },
 505                 { .name = "newtap"        , .value = JTAG_CMD_NEWTAP },
 506                 { .name = "tapisenabled"     , .value = JTAG_CMD_TAPISENABLED },
 507                 { .name = "tapenable"     , .value = JTAG_CMD_TAPENABLE },
 508                 { .name = "tapdisable"    , .value = JTAG_CMD_TAPDISABLE },
 509                 { .name = "configure"     , .value = JTAG_CMD_CONFIGURE },
 510                 { .name = "cget"          , .value = JTAG_CMD_CGET },
 511
 512                 { .name = NULL, .value = -1 },
 513         };
 514
 515         context = Jim_GetAssocData(interp, "context");
 516         /* go past the command */
 517         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
 518
 519         e = Jim_GetOpt_Nvp( &goi, jtag_cmds, &n );
 520         if( e != JIM_OK ){
 521                 Jim_GetOpt_NvpUnknown( &goi, jtag_cmds, 0 );
 522                 return e;
 523         }
 524                 Jim_SetEmptyResult( goi.interp );
 525         switch( n->value ){
 526         case JTAG_CMD_INTERFACE:
 527                 /* return the name of the interface */
 528                 /* TCL code might need to know the exact type... */
 529                 /* FUTURE: we allow this as a means to "set" the interface. */
 530                 if( goi.argc != 0 ){
 531                         Jim_WrongNumArgs( goi.interp, 1, goi.argv-1, "(no params)");
 532                         return JIM_ERR;
 533                 }
 534                 Jim_SetResultString( goi.interp, jtag_interface->name, -1 );
 535                 return JIM_OK;
 536         case JTAG_CMD_INIT_RESET:
 537                 if( goi.argc != 0 ){
 538                         Jim_WrongNumArgs( goi.interp, 1, goi.argv-1, "(no params)");
 539                         return JIM_ERR;
 540                 }
 541                 e = jtag_init_reset(context);
 542                 if( e != ERROR_OK ){
 543                         Jim_SetResult_sprintf( goi.interp, "error: %d", e);
 544                         return JIM_ERR;
 545                 }
 546                 return JIM_OK;
 547         case JTAG_CMD_NEWTAP:
 548                 return jim_newtap_cmd( &goi );
 549                 break;
 550         case JTAG_CMD_TAPISENABLED:
 551         case JTAG_CMD_TAPENABLE:
 552         case JTAG_CMD_TAPDISABLE:
 553                 if( goi.argc != 1 ){
 554                         Jim_SetResultString( goi.interp, "Too many parameters",-1 );
 555                         return JIM_ERR;
 556                 }
 557
 558                 {
 559                         jtag_tap_t *t;
 560                         t = jtag_tap_by_jim_obj( goi.interp, goi.argv[0] );
 561                         if( t == NULL ){
 562                                 return JIM_ERR;
 563                         }
 564                         switch( n->value ){
 565                         case JTAG_CMD_TAPISENABLED:
 566                                 e = t->enabled;
 567                                 break;
 568                         case JTAG_CMD_TAPENABLE:
 569                                 jtag_tap_handle_event( t, JTAG_TAP_EVENT_ENABLE);
 570                                 e = 1;
 571                                 t->enabled = e;
 572                                 break;
 573                         case JTAG_CMD_TAPDISABLE:
 574                                 jtag_tap_handle_event( t, JTAG_TAP_EVENT_DISABLE);
 575                                 e = 0;
 576                                 t->enabled = e;
 577                                 break;
 578                         }
 579                         Jim_SetResult( goi.interp, Jim_NewIntObj( goi.interp, e ) );
 580                         return JIM_OK;
 581                 }
 582                 break;
 583
 584         case JTAG_CMD_CGET:
 585                 if( goi.argc < 2 ){
 586                         Jim_WrongNumArgs( goi.interp, 0, NULL, "?tap-name? -option ...");
 587                         return JIM_ERR;
 588                 }
 589
 590                 {
 591                         jtag_tap_t *t;
 592
 593                         Jim_GetOpt_Obj(&goi, &o);
 594                         t = jtag_tap_by_jim_obj( goi.interp, o );
 595                         if( t == NULL ){
 596                                 return JIM_ERR;
 597                         }
 598
 599                         goi.isconfigure = 0;
 600                         return jtag_tap_configure_cmd( &goi, t);
 601                 }
 602                 break;
 603
 604         case JTAG_CMD_CONFIGURE:
 605                 if( goi.argc < 3 ){
 606                         Jim_WrongNumArgs( goi.interp, 0, NULL, "?tap-name? -option ?VALUE? ...");
 607                         return JIM_ERR;
 608                 }
 609
 610                 {
 611                         jtag_tap_t *t;
 612
 613                         Jim_GetOpt_Obj(&goi, &o);
 614                         t = jtag_tap_by_jim_obj( goi.interp, o );
 615                         if( t == NULL ){
 616                                 return JIM_ERR;
 617                         }
 618
 619                         goi.isconfigure = 1;
 620                         return jtag_tap_configure_cmd( &goi, t);
 621                 }
 622         }
 623
 624         return JIM_ERR;
 625 }
 626
 627 int jtag_register_commands(struct command_context_s *cmd_ctx)
 628 {
 629         register_jim( cmd_ctx, "jtag", jim_jtag_command, "perform jtag tap actions");
 630
 631         register_command(cmd_ctx, NULL, "interface", handle_interface_command,
 632                 COMMAND_CONFIG, "try to configure interface");
 633         register_command(cmd_ctx, NULL,
 634                 "interface_list", &handle_interface_list_command,
 635                 COMMAND_ANY, "list all built-in interfaces");
 636         register_command(cmd_ctx, NULL, "jtag_speed", handle_jtag_speed_command,
 637                 COMMAND_ANY, "(DEPRECATED) set jtag speed (if supported)");
 638         register_command(cmd_ctx, NULL, "jtag_khz", handle_jtag_khz_command,
 639                 COMMAND_ANY, "set maximum jtag speed (if supported); "
 640                 "parameter is maximum khz, or 0 for adaptive clocking (RTCK).");
 641         register_command(cmd_ctx, NULL, "jtag_device", handle_jtag_device_command,
 642                 COMMAND_CONFIG, "(DEPRECATED) jtag_device <ir_length> <ir_expected> <ir_mask>");
 643         register_command(cmd_ctx, NULL, "reset_config", handle_reset_config_command,
 644                 COMMAND_ANY,
 645                 "[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]");
 646         register_command(cmd_ctx, NULL, "jtag_nsrst_delay", handle_jtag_nsrst_delay_command,
 647                 COMMAND_ANY, "jtag_nsrst_delay <ms> - delay after deasserting srst in ms");
 648         register_command(cmd_ctx, NULL, "jtag_ntrst_delay", handle_jtag_ntrst_delay_command,
 649                 COMMAND_ANY, "jtag_ntrst_delay <ms> - delay after deasserting trst in ms");
 650
 651         register_command(cmd_ctx, NULL, "scan_chain", handle_scan_chain_command,
 652                 COMMAND_EXEC, "print current scan chain configuration");
 653
 654         register_command(cmd_ctx, NULL, "jtag_reset", handle_jtag_reset_command,
 655                 COMMAND_EXEC, "toggle reset lines <trst> <srst>");
 656         register_command(cmd_ctx, NULL, "runtest", handle_runtest_command,
 657                 COMMAND_EXEC, "move to Run-Test/Idle, and execute <num_cycles>");
 658         register_command(cmd_ctx, NULL, "irscan", handle_irscan_command,
 659                 COMMAND_EXEC, "execute IR scan <device> <instr> [dev2] [instr2] ...");
 660         register_jim(cmd_ctx, "drscan", Jim_Command_drscan, "execute DR scan <device> <num_bits> <value> <num_bits1> <value2> ...");
 661         register_jim(cmd_ctx, "flush_count", Jim_Command_flush_count, "returns number of times the JTAG queue has been flushed");
 662         register_jim(cmd_ctx, "pathmove", Jim_Command_pathmove, "move JTAG to state1 then to state2, state3, etc. <state1>,<state2>,<stat3>...");
 663
 664         register_command(cmd_ctx, NULL, "verify_ircapture", handle_verify_ircapture_command,
 665                 COMMAND_ANY, "verify value captured during Capture-IR <enable|disable>");
 666         register_command(cmd_ctx, NULL, "verify_jtag", handle_verify_jtag_command,
 667                 COMMAND_ANY, "verify value capture <enable|disable>");
 668         register_command(cmd_ctx, NULL, "tms_sequence", handle_tms_sequence_command,
 669                 COMMAND_ANY, "choose short(default) or long tms_sequence <short|long>");
 670         return ERROR_OK;
 671 }
 672
 673 static int default_khz(int khz, int *jtag_speed)
 674 {
 675         LOG_ERROR("Translation from khz to jtag_speed not implemented");
 676         return ERROR_FAIL;
 677 }
 678
 679 static int default_speed_div(int speed, int *khz)
 680 {
 681         LOG_ERROR("Translation from jtag_speed to khz not implemented");
 682         return ERROR_FAIL;
 683 }
 684
 685 static int default_power_dropout(int *dropout)
 686 {
 687         *dropout=0; /* by default we can't detect power dropout */
 688         return ERROR_OK;
 689 }
 690
 691 static int default_srst_asserted(int *srst_asserted)
 692 {
 693         *srst_asserted=0; /* by default we can't detect srst asserted */
 694         return ERROR_OK;
 695 }
 696
 697 static int handle_interface_command(struct command_context_s *cmd_ctx,
 698                 char *cmd, char **args, int argc)
 699 {
 700         /* check whether the interface is already configured */
 701         if (jtag_interface)
 702         {
 703                 LOG_WARNING("Interface already configured, ignoring");
 704                 return ERROR_OK;
 705         }
 706
 707         /* interface name is a mandatory argument */
 708         if (argc != 1 || args[0][0] == '\0')
 709                 return ERROR_COMMAND_SYNTAX_ERROR;
 710
 711         for (unsigned i = 0; NULL != jtag_interfaces[i]; i++)
 712         {
 713                 if (strcmp(args[0], jtag_interfaces[i]->name) != 0)
 714                         continue;
 715
 716                 int retval = jtag_interfaces[i]->register_commands(cmd_ctx);
 717                 if (ERROR_OK != retval)
 718                                 return retval;
 719
 720                 jtag_interface = jtag_interfaces[i];
 721
 722                 if (jtag_interface->khz == NULL)
 723                         jtag_interface->khz = default_khz;
 724                 if (jtag_interface->speed_div == NULL)
 725                         jtag_interface->speed_div = default_speed_div;
 726                 if (jtag_interface->power_dropout == NULL)
 727                         jtag_interface->power_dropout = default_power_dropout;
 728                 if (jtag_interface->srst_asserted == NULL)
 729                         jtag_interface->srst_asserted = default_srst_asserted;
 730
 731                 return ERROR_OK;
 732         }
 733
 734         /* no valid interface was found (i.e. the configuration option,
 735          * didn't match one of the compiled-in interfaces
 736          */
 737         LOG_ERROR("The specified JTAG interface was not found (%s)", args[0]);
 738         handle_interface_list_command(cmd_ctx, cmd, args, argc);
 739         return ERROR_JTAG_INVALID_INTERFACE;
 740 }
 741
 742 static int handle_interface_list_command(struct command_context_s *cmd_ctx,
 743                 char *cmd, char **args, int argc)
 744 {
 745         if (strcmp(cmd, "interface_list") == 0 && argc > 0)
 746                 return ERROR_COMMAND_SYNTAX_ERROR;
 747
 748         command_print(cmd_ctx, "The following JTAG interfaces are available:");
 749         for (unsigned i = 0; NULL != jtag_interfaces[i]; i++)
 750         {
 751                 const char *name = jtag_interfaces[i]->name;
 752                 command_print(cmd_ctx, "%u: %s", i + 1, name);
 753         }
 754
 755         return ERROR_OK;
 756 }
 757
 758 static int handle_jtag_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 759 {
 760         int e;
 761         char buf[1024];
 762         Jim_Obj *newargs[ 10 ];
 763         /*
 764          * CONVERT SYNTAX
 765          * argv[-1] = command
 766          * argv[ 0] = ir length
 767          * argv[ 1] = ir capture
 768          * argv[ 2] = ir mask
 769          * argv[ 3] = not actually used by anything but in the docs
 770          */
 771
 772         if( argc < 4 ){
 773                 command_print( cmd_ctx, "OLD DEPRECATED SYNTAX: Please use the NEW syntax");
 774                 return ERROR_OK;
 775         }
 776         command_print( cmd_ctx, "OLD SYNTAX: DEPRECATED - translating to new syntax");
 777         command_print( cmd_ctx, "jtag newtap CHIP TAP -irlen %s -ircapture %s -irvalue %s",
 778                                    args[0],
 779                                    args[1],
 780                                    args[2] );
 781         command_print( cmd_ctx, "Example: STM32 has 2 taps, the cortexM3(len4) + boundaryscan(len5)");
 782         command_print( cmd_ctx, "jtag newtap stm32 cortexm3 ....., thus creating the tap: \"stm32.cortexm3\"");
 783         command_print( cmd_ctx, "jtag newtap stm32 boundary ....., and the tap: \"stm32.boundary\"");
 784         command_print( cmd_ctx, "And then refer to the taps by the dotted name.");
 785
 786         newargs[0] = Jim_NewStringObj( interp, "jtag", -1   );
 787         newargs[1] = Jim_NewStringObj( interp, "newtap", -1 );
 788         sprintf( buf, "chip%d", jtag_tap_count() );
 789         newargs[2] = Jim_NewStringObj( interp, buf, -1 );
 790         sprintf( buf, "tap%d", jtag_tap_count() );
 791         newargs[3] = Jim_NewStringObj( interp, buf, -1  );
 792         newargs[4] = Jim_NewStringObj( interp, "-irlen", -1  );
 793         newargs[5] = Jim_NewStringObj( interp, args[0], -1  );
 794         newargs[6] = Jim_NewStringObj( interp, "-ircapture", -1  );
 795         newargs[7] = Jim_NewStringObj( interp, args[1], -1  );
 796         newargs[8] = Jim_NewStringObj( interp, "-irmask", -1  );
 797         newargs[9] = Jim_NewStringObj( interp, args[2], -1  );
 798
 799         command_print( cmd_ctx, "NEW COMMAND:");
 800         sprintf( buf, "%s %s %s %s %s %s %s %s %s %s",
 801                          Jim_GetString( newargs[0], NULL ),
 802                          Jim_GetString( newargs[1], NULL ),
 803                          Jim_GetString( newargs[2], NULL ),
 804                          Jim_GetString( newargs[3], NULL ),
 805                          Jim_GetString( newargs[4], NULL ),
 806                          Jim_GetString( newargs[5], NULL ),
 807                          Jim_GetString( newargs[6], NULL ),
 808                          Jim_GetString( newargs[7], NULL ),
 809                          Jim_GetString( newargs[8], NULL ),
 810                          Jim_GetString( newargs[9], NULL ) );
 811
 812         e = jim_jtag_command( interp, 10, newargs );
 813         if( e != JIM_OK ){
 814                 command_print( cmd_ctx, "%s", Jim_GetString( Jim_GetResult(interp), NULL ) );
 815         }
 816         return e;
 817 }
 818
 819 static int handle_scan_chain_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 820 {
 821         jtag_tap_t *tap;
 822
 823         tap = jtag_all_taps();
 824         command_print(cmd_ctx, "     TapName            | Enabled |   IdCode      Expected    IrLen IrCap  IrMask Instr     ");
 825         command_print(cmd_ctx, "---|--------------------|---------|------------|------------|------|------|------|---------");
 826
 827         while( tap ){
 828                 u32 expected, expected_mask, cur_instr, ii;
 829                 expected = buf_get_u32(tap->expected, 0, tap->ir_length);
 830                 expected_mask = buf_get_u32(tap->expected_mask, 0, tap->ir_length);
 831                 cur_instr = buf_get_u32(tap->cur_instr, 0, tap->ir_length);
 832
 833                 command_print(cmd_ctx,
 834                                           "%2d | %-18s |    %c    | 0x%08x | 0x%08x | 0x%02x | 0x%02x | 0x%02x | 0x%02x",
 835                                           tap->abs_chain_position,
 836                                           tap->dotted_name,
 837                                           tap->enabled ? 'Y' : 'n',
 838                                           tap->idcode,
 839                                           (tap->expected_ids_cnt > 0 ? tap->expected_ids[0] : 0),
 840                                           tap->ir_length,
 841                                           expected,
 842                                           expected_mask,
 843                                           cur_instr);
 844
 845                 for (ii = 1; ii < tap->expected_ids_cnt; ii++) {
 846                         command_print(cmd_ctx, "   |                    |         |            | 0x%08x |      |      |      |         ",
 847                                                   tap->expected_ids[ii]);
 848                 }
 849
 850                 tap = tap->next_tap;
 851         }
 852
 853         return ERROR_OK;
 854 }
 855
 856 static int handle_reset_config_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 857 {
 858         int new_cfg = 0;
 859         int mask = 0;
 860
 861         if (argc < 1)
 862                 return ERROR_COMMAND_SYNTAX_ERROR;
 863
 864         /* Original versions cared about the order of these tokens:
 865          *   reset_config signals [combination [trst_type [srst_type]]]
 866          * They also clobbered the previous configuration even on error.
 867          *
 868          * Here we don't care about the order, and only change values
 869          * which have been explicitly specified.
 870          */
 871         for (; argc; argc--, args++) {
 872                 int tmp = 0;
 873                 int m;
 874
 875                 /* signals */
 876                 m = RESET_HAS_TRST | RESET_HAS_SRST;
 877                 if (strcmp(*args, "none") == 0)
 878                         tmp = RESET_NONE;
 879                 else if (strcmp(*args, "trst_only") == 0)
 880                         tmp = RESET_HAS_TRST;
 881                 else if (strcmp(*args, "srst_only") == 0)
 882                         tmp = RESET_HAS_SRST;
 883                 else if (strcmp(*args, "trst_and_srst") == 0)
 884                         tmp = RESET_HAS_TRST | RESET_HAS_SRST;
 885                 else
 886                         m = 0;
 887                 if (mask & m) {
 888                         LOG_ERROR("extra reset_config %s spec (%s)",
 889                                         "signal", *args);
 890                         return ERROR_INVALID_ARGUMENTS;
 891                 }
 892                 if (m)
 893                         goto next;
 894
 895                 /* combination (options for broken wiring) */
 896                 m = RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST;
 897                 if (strcmp(*args, "separate") == 0)
 898                         /* separate reset lines - default */;
 899                 else if (strcmp(*args, "srst_pulls_trst") == 0)
 900                         tmp |= RESET_SRST_PULLS_TRST;
 901                 else if (strcmp(*args, "trst_pulls_srst") == 0)
 902                         tmp |= RESET_TRST_PULLS_SRST;
 903                 else if (strcmp(*args, "combined") == 0)
 904                         tmp |= RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST;
 905                 else
 906                         m = 0;
 907                 if (mask & m) {
 908                         LOG_ERROR("extra reset_config %s spec (%s)",
 909                                         "combination", *args);
 910                         return ERROR_INVALID_ARGUMENTS;
 911                 }
 912                 if (m)
 913                         goto next;
 914
 915                 /* trst_type (NOP without HAS_TRST) */
 916                 m = RESET_TRST_OPEN_DRAIN;
 917                 if (strcmp(*args, "trst_open_drain") == 0)
 918                         tmp |= RESET_TRST_OPEN_DRAIN;
 919                 else if (strcmp(*args, "trst_push_pull") == 0)
 920                         /* push/pull from adapter - default */;
 921                 else
 922                         m = 0;
 923                 if (mask & m) {
 924                         LOG_ERROR("extra reset_config %s spec (%s)",
 925                                         "trst_type", *args);
 926                         return ERROR_INVALID_ARGUMENTS;
 927                 }
 928                 if (m)
 929                         goto next;
 930
 931                 /* srst_type (NOP without HAS_SRST) */
 932                 m |= RESET_SRST_PUSH_PULL;
 933                 if (strcmp(*args, "srst_push_pull") == 0)
 934                         tmp |= RESET_SRST_PUSH_PULL;
 935                 else if (strcmp(*args, "srst_open_drain") == 0)
 936                         /* open drain from adapter - default */;
 937                 else
 938                         m = 0;
 939                 if (mask & m) {
 940                         LOG_ERROR("extra reset_config %s spec (%s)",
 941                                         "srst_type", *args);
 942                         return ERROR_INVALID_ARGUMENTS;
 943                 }
 944                 if (m)
 945                         goto next;
 946
 947                 /* caller provided nonsense; fail */
 948                 LOG_ERROR("unknown reset_config flag (%s)", *args);
 949                 return ERROR_INVALID_ARGUMENTS;
 950
 951 next:
 952                 /* Remember the bits which were specified (mask)
 953                  * and their new values (new_cfg).
 954                  */
 955                 mask |= m;
 956                 new_cfg |= tmp;
 957         }
 958
 959         /* clear previous values of those bits, save new values */
 960         enum reset_types old_cfg = jtag_get_reset_config();
 961         old_cfg &= ~mask;
 962         new_cfg |= old_cfg;
 963         jtag_set_reset_config(new_cfg);
 964
 965         return ERROR_OK;
 966 }
 967
 968 static int handle_jtag_nsrst_delay_command(struct command_context_s *cmd_ctx,
 969                 char *cmd, char **args, int argc)
 970 {
 971         if (argc > 1)
 972                 return ERROR_COMMAND_SYNTAX_ERROR;
 973         if (argc == 1)
 974         {
 975                 unsigned delay;
 976                 int retval = parse_uint(args[0], &delay);
 977                 if (ERROR_OK != retval)
 978                         return retval;
 979                 jtag_set_nsrst_delay(delay);
 980         }
 981         command_print(cmd_ctx, "jtag_nsrst_delay: %u", jtag_get_nsrst_delay());
 982         return ERROR_OK;
 983 }
 984
 985 static int handle_jtag_ntrst_delay_command(struct command_context_s *cmd_ctx,
 986                 char *cmd, char **args, int argc)
 987 {
 988         if (argc > 1)
 989                 return ERROR_COMMAND_SYNTAX_ERROR;
 990         if (argc == 1)
 991         {
 992                 unsigned delay;
 993                 int retval = parse_uint(args[0], &delay);
 994                 if (ERROR_OK != retval)
 995                         return retval;
 996                 jtag_set_ntrst_delay(delay);
 997         }
 998         command_print(cmd_ctx, "jtag_ntrst_delay: %u", jtag_get_ntrst_delay());
 999         return ERROR_OK;
1000 }
1001
1002 static int handle_jtag_speed_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1003 {
1004         int retval = ERROR_OK;
1005
1006         if (argc > 1)
1007                 return ERROR_COMMAND_SYNTAX_ERROR;
1008         if (argc == 1)
1009         {
1010                 LOG_DEBUG("handle jtag speed");
1011
1012                 unsigned cur_speed = 0;
1013                 int retval = parse_uint(args[0], &cur_speed);
1014                 if (ERROR_OK != retval)
1015                         return retval;
1016                 retval = jtag_set_speed(cur_speed);
1017
1018         }
1019         command_print(cmd_ctx, "jtag_speed: %d", jtag_get_speed());
1020
1021         return retval;
1022 }
1023
1024 static int handle_jtag_khz_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1025 {
1026         if (argc > 1)
1027                 return ERROR_COMMAND_SYNTAX_ERROR;
1028
1029         int retval = ERROR_OK;
1030         if (argc == 1)
1031         {
1032                 unsigned khz = 0;
1033                 int retval = parse_uint(args[0], &khz);
1034                 if (ERROR_OK != retval)
1035                         return retval;
1036                 retval = jtag_config_khz(khz);
1037                 if (ERROR_OK != retval)
1038                         return retval;
1039         }
1040
1041         int cur_speed;
1042         retval = jtag_get_speed_readable(&cur_speed);
1043         if (ERROR_OK != retval)
1044                 return retval;
1045
1046         if (cur_speed)
1047                 command_print(cmd_ctx, "%d kHz", cur_speed);
1048         else
1049                 command_print(cmd_ctx, "RCLK - adaptive");
1050
1051         return retval;
1052 }
1053
1054 static int handle_jtag_reset_command(struct command_context_s *cmd_ctx,
1055                 char *cmd, char **args, int argc)
1056 {
1057         if (argc != 2)
1058                 return ERROR_COMMAND_SYNTAX_ERROR;
1059
1060         int trst = -1;
1061         if (args[0][0] == '1')
1062                 trst = 1;
1063         else if (args[0][0] == '0')
1064                 trst = 0;
1065         else
1066                 return ERROR_COMMAND_SYNTAX_ERROR;
1067
1068         int srst = -1;
1069         if (args[1][0] == '1')
1070                 srst = 1;
1071         else if (args[1][0] == '0')
1072                 srst = 0;
1073         else
1074                 return ERROR_COMMAND_SYNTAX_ERROR;
1075
1076         if (jtag_interface_init(cmd_ctx) != ERROR_OK)
1077                 return ERROR_JTAG_INIT_FAILED;
1078
1079         jtag_add_reset(trst, srst);
1080         jtag_execute_queue();
1081
1082         return ERROR_OK;
1083 }
1084
1085 static int handle_runtest_command(struct command_context_s *cmd_ctx,
1086                 char *cmd, char **args, int argc)
1087 {
1088         if (argc != 1)
1089                 return ERROR_COMMAND_SYNTAX_ERROR;
1090
1091         jtag_add_runtest(strtol(args[0], NULL, 0), jtag_get_end_state());
1092         jtag_execute_queue();
1093
1094         return ERROR_OK;
1095 }
1096
1097 /*
1098  * For "irscan" or "drscan" commands, the "end" (really, "next") state
1099  * should be stable ... and *NOT* a shift state, otherwise free-running
1100  * jtag clocks could change the values latched by the update state.
1101  */
1102 static bool scan_is_safe(tap_state_t state)
1103 {
1104         switch (state)
1105         {
1106         case TAP_RESET:
1107         case TAP_IDLE:
1108         case TAP_DRPAUSE:
1109         case TAP_IRPAUSE:
1110                 return true;
1111         default:
1112                 return false;
1113         }
1114 }
1115
1116
1117 static int handle_irscan_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1118 {
1119         int i;
1120         scan_field_t *fields;
1121         jtag_tap_t *tap;
1122         tap_state_t endstate;
1123
1124         if ((argc < 2) || (argc % 2))
1125         {
1126                 return ERROR_COMMAND_SYNTAX_ERROR;
1127         }
1128
1129         /* optional "-endstate" "statename" at the end of the arguments,
1130          * so that e.g. IRPAUSE can let us load the data register before
1131          * entering RUN/IDLE to execute the instruction we load here.
1132          */
1133         endstate = TAP_IDLE;
1134
1135         if( argc >= 4 ){
1136                 /* have at least one pair of numbers. */
1137                 /* is last pair the magic text? */
1138                 if( 0 == strcmp( "-endstate", args[ argc - 2 ] ) ){
1139                         const char *cpA;
1140                         const char *cpS;
1141                         cpA = args[ argc-1 ];
1142                         for( endstate = 0 ; endstate < TAP_NUM_STATES ; endstate++ ){
1143                                 cpS = tap_state_name( endstate );
1144                                 if( 0 == strcmp( cpA, cpS ) ){
1145                                         break;
1146                                 }
1147                         }
1148                         if( endstate >= TAP_NUM_STATES ){
1149                                 return ERROR_COMMAND_SYNTAX_ERROR;
1150                         } else {
1151                                 if (!scan_is_safe(endstate))
1152                                         LOG_WARNING("irscan with unsafe "
1153                                                         "endstate \"%s\"", cpA);
1154                                 /* found - remove the last 2 args */
1155                                 argc -= 2;
1156                         }
1157                 }
1158         }
1159
1160         int num_fields = argc / 2;
1161
1162         fields = malloc(sizeof(scan_field_t) * num_fields);
1163
1164         for (i = 0; i < num_fields; i++)
1165         {
1166                 tap = jtag_tap_by_string( args[i*2] );
1167                 if (tap==NULL)
1168                 {
1169                         command_print( cmd_ctx, "Tap: %s unknown", args[i*2] );
1170                         return ERROR_FAIL;
1171                 }
1172                 int field_size = tap->ir_length;
1173                 fields[i].tap = tap;
1174                 fields[i].num_bits = field_size;
1175                 fields[i].out_value = malloc(CEIL(field_size, 8));
1176                 buf_set_u32(fields[i].out_value, 0, field_size, strtoul(args[i*2+1], NULL, 0));
1177                 fields[i].in_value = NULL;
1178         }
1179
1180         /* did we have an endstate? */
1181         jtag_add_ir_scan(num_fields, fields, endstate);
1182
1183         int retval=jtag_execute_queue();
1184
1185         for (i = 0; i < num_fields; i++)
1186                 free(fields[i].out_value);
1187
1188         free (fields);
1189
1190         return retval;
1191 }
1192
1193 static int Jim_Command_drscan(Jim_Interp *interp, int argc, Jim_Obj *const *args)
1194 {
1195         int retval;
1196         scan_field_t *fields;
1197         int num_fields;
1198         int field_count = 0;
1199         int i, e;
1200         jtag_tap_t *tap;
1201         tap_state_t endstate;
1202
1203         /* args[1] = device
1204          * args[2] = num_bits
1205          * args[3] = hex string
1206          * ... repeat num bits and hex string ...
1207          *
1208          * .. optionally:
1209         *     args[N-2] = "-endstate"
1210          *     args[N-1] = statename
1211          */
1212         if ((argc < 4) || ((argc % 2)!=0))
1213         {
1214                 Jim_WrongNumArgs(interp, 1, args, "wrong arguments");
1215                 return JIM_ERR;
1216         }
1217
1218         endstate = TAP_IDLE;
1219
1220         /* validate arguments as numbers */
1221         e = JIM_OK;
1222         for (i = 2; i < argc; i+=2)
1223         {
1224                 long bits;
1225                 const char *cp;
1226
1227                 e = Jim_GetLong(interp, args[i], &bits);
1228                 /* If valid - try next arg */
1229                 if( e == JIM_OK ){
1230                         continue;
1231                 }
1232
1233                 /* Not valid.. are we at the end? */
1234                 if ( ((i+2) != argc) ){
1235                         /* nope, then error */
1236                         return e;
1237                 }
1238
1239                 /* it could be: "-endstate FOO"
1240                  * e.g. DRPAUSE so we can issue more instructions
1241                  * before entering RUN/IDLE and executing them.
1242                  */
1243
1244                 /* get arg as a string. */
1245                 cp = Jim_GetString( args[i], NULL );
1246                 /* is it the magic? */
1247                 if( 0 == strcmp( "-endstate", cp ) ){
1248                         /* is the statename valid? */
1249                         cp = Jim_GetString( args[i+1], NULL );
1250
1251                         /* see if it is a valid state name */
1252                         endstate = tap_state_by_name(cp);
1253                         if( endstate < 0 ){
1254                                 /* update the error message */
1255                                 Jim_SetResult_sprintf(interp,"endstate: %s invalid", cp );
1256                         } else {
1257                                 if (!scan_is_safe(endstate))
1258                                         LOG_WARNING("drscan with unsafe "
1259                                                         "endstate \"%s\"", cp);
1260
1261                                 /* valid - so clear the error */
1262                                 e = JIM_OK;
1263                                 /* and remove the last 2 args */
1264                                 argc -= 2;
1265                         }
1266                 }
1267
1268                 /* Still an error? */
1269                 if( e != JIM_OK ){
1270                         return e; /* too bad */
1271                 }
1272         } /* validate args */
1273
1274         tap = jtag_tap_by_jim_obj( interp, args[1] );
1275         if( tap == NULL ){
1276                 return JIM_ERR;
1277         }
1278
1279         num_fields=(argc-2)/2;
1280         fields = malloc(sizeof(scan_field_t) * num_fields);
1281         for (i = 2; i < argc; i+=2)
1282         {
1283                 long bits;
1284                 int len;
1285                 const char *str;
1286
1287                 Jim_GetLong(interp, args[i], &bits);
1288                 str = Jim_GetString(args[i+1], &len);
1289
1290                 fields[field_count].tap = tap;
1291                 fields[field_count].num_bits = bits;
1292                 fields[field_count].out_value = malloc(CEIL(bits, 8));
1293                 str_to_buf(str, len, fields[field_count].out_value, bits, 0);
1294                 fields[field_count].in_value = fields[field_count].out_value;
1295                 field_count++;
1296         }
1297
1298         jtag_add_dr_scan(num_fields, fields, endstate);
1299
1300         retval = jtag_execute_queue();
1301         if (retval != ERROR_OK)
1302         {
1303                 Jim_SetResultString(interp, "drscan: jtag execute failed",-1);
1304                 return JIM_ERR;
1305         }
1306
1307         field_count=0;
1308         Jim_Obj *list = Jim_NewListObj(interp, NULL, 0);
1309         for (i = 2; i < argc; i+=2)
1310         {
1311                 long bits;
1312                 char *str;
1313
1314                 Jim_GetLong(interp, args[i], &bits);
1315                 str = buf_to_str(fields[field_count].in_value, bits, 16);
1316                 free(fields[field_count].out_value);
1317
1318                 Jim_ListAppendElement(interp, list, Jim_NewStringObj(interp, str, strlen(str)));
1319                 free(str);
1320                 field_count++;
1321         }
1322
1323         Jim_SetResult(interp, list);
1324
1325         free(fields);
1326
1327         return JIM_OK;
1328 }
1329
1330
1331 static int Jim_Command_pathmove(Jim_Interp *interp, int argc, Jim_Obj *const *args)
1332 {
1333         tap_state_t states[8];
1334
1335         if ((argc < 2) || ((size_t)argc > (sizeof(states)/sizeof(*states)+1)))
1336         {
1337                 Jim_WrongNumArgs(interp, 1, args, "wrong arguments");
1338                 return JIM_ERR;
1339         }
1340
1341         int i;
1342         for (i=0; i<argc-1; i++)
1343         {
1344                 const char *cp;
1345                 cp = Jim_GetString( args[i+1], NULL );
1346                 states[i] = tap_state_by_name(cp);
1347                 if( states[i] < 0 )
1348                 {
1349                         /* update the error message */
1350                         Jim_SetResult_sprintf(interp,"endstate: %s invalid", cp );
1351                         return JIM_ERR;
1352                 }
1353         }
1354
1355         if ((jtag_add_statemove(states[0]) != ERROR_OK) || ( jtag_execute_queue()!= ERROR_OK))
1356         {
1357                 Jim_SetResultString(interp, "pathmove: jtag execute failed",-1);
1358                 return JIM_ERR;
1359         }
1360
1361         jtag_add_pathmove(argc-2, states+1);
1362
1363         if (jtag_execute_queue()!= ERROR_OK)
1364         {
1365                 Jim_SetResultString(interp, "pathmove: failed",-1);
1366                 return JIM_ERR;
1367         }
1368
1369         return JIM_OK;
1370 }
1371
1372
1373 static int Jim_Command_flush_count(Jim_Interp *interp, int argc, Jim_Obj *const *args)
1374 {
1375         Jim_SetResult(interp, Jim_NewIntObj(interp, jtag_get_flush_queue_count()));
1376
1377         return JIM_OK;
1378 }
1379
1380
1381 static int handle_verify_ircapture_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1382 {
1383         if (argc > 1)
1384                 return ERROR_COMMAND_SYNTAX_ERROR;
1385
1386         if (argc == 1)
1387         {
1388                 if (strcmp(args[0], "enable") == 0)
1389                         jtag_set_verify_capture_ir(true);
1390                 else if (strcmp(args[0], "disable") == 0)
1391                         jtag_set_verify_capture_ir(false);
1392                 else
1393                         return ERROR_COMMAND_SYNTAX_ERROR;
1394         }
1395
1396         const char *status = jtag_will_verify_capture_ir() ? "enabled": "disabled";
1397         command_print(cmd_ctx, "verify Capture-IR is %s", status);
1398
1399         return ERROR_OK;
1400 }
1401
1402 static int handle_verify_jtag_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1403 {
1404         if (argc > 1)
1405                 return ERROR_COMMAND_SYNTAX_ERROR;
1406
1407         if (argc == 1)
1408         {
1409                 if (strcmp(args[0], "enable") == 0)
1410                         jtag_set_verify(true);
1411                 else if (strcmp(args[0], "disable") == 0)
1412                         jtag_set_verify(false);
1413                 else
1414                         return ERROR_COMMAND_SYNTAX_ERROR;
1415         }
1416
1417         const char *status = jtag_will_verify() ? "enabled": "disabled";
1418         command_print(cmd_ctx, "verify jtag capture is %s", status);
1419
1420         return ERROR_OK;
1421 }
1422
1423 static int handle_tms_sequence_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1424 {
1425         if (argc > 1)
1426                 return ERROR_COMMAND_SYNTAX_ERROR;
1427
1428         if (argc == 1)
1429         {
1430                 bool use_new_table;
1431                 if (strcmp(args[0], "short") == 0)
1432                         use_new_table = true;
1433                 else if (strcmp(args[0], "long") == 0)
1434                         use_new_table = false;
1435                 else
1436                         return ERROR_COMMAND_SYNTAX_ERROR;
1437
1438                 tap_use_new_tms_table(use_new_table);
1439         }
1440
1441         command_print(cmd_ctx, "tms sequence is  %s",
1442                         tap_uses_new_tms_table() ? "short": "long");
1443
1444         return ERROR_OK;
1445 }
1446