git.sur5r.net Git - openocd/blob - src/svf/svf.c

   1 /*
   2  * Copyright (C) 2009 by Simon Qian
   3  * SimonQian@SimonQian.com
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  */
  19
  20
  21 /* The specification for SVF is available here:
  22  * http://www.asset-intertech.com/support/svf.pdf
  23  * Below, this document is refered to as the "SVF spec".
  24  *
  25  * The specification for XSVF is available here:
  26  * http://www.xilinx.com/support/documentation/application_notes/xapp503.pdf
  27  * Below, this document is refered to as the "XSVF spec".
  28  */
  29
  30 #ifdef HAVE_CONFIG_H
  31 #include "config.h"
  32 #endif
  33
  34 #include <jtag/jtag.h>
  35 #include "svf.h"
  36 #include <helper/time_support.h>
  37
  38
  39 // SVF command
  40 typedef enum
  41 {
  42         ENDDR,
  43         ENDIR,
  44         FREQUENCY,
  45         HDR,
  46         HIR,
  47         PIO,
  48         PIOMAP,
  49         RUNTEST,
  50         SDR,
  51         SIR,
  52         STATE,
  53         TDR,
  54         TIR,
  55         TRST,
  56 }svf_command_t;
  57
  58 static const char *svf_command_name[14] =
  59 {
  60         "ENDDR",
  61         "ENDIR",
  62         "FREQUENCY",
  63         "HDR",
  64         "HIR",
  65         "PIO",
  66         "PIOMAP",
  67         "RUNTEST",
  68         "SDR",
  69         "SIR",
  70         "STATE",
  71         "TDR",
  72         "TIR",
  73         "TRST"
  74 };
  75
  76 typedef enum
  77 {
  78         TRST_ON,
  79         TRST_OFF,
  80         TRST_Z,
  81         TRST_ABSENT
  82 }trst_mode_t;
  83
  84 static const char *svf_trst_mode_name[4] =
  85 {
  86         "ON",
  87         "OFF",
  88         "Z",
  89         "ABSENT"
  90 };
  91
  92 struct svf_statemove
  93 {
  94         tap_state_t from;
  95         tap_state_t to;
  96         uint32_t num_of_moves;
  97         tap_state_t paths[8];
  98 };
  99
 100 /*
 101  * These paths are from the SVF specification for the STATE command, to be
 102  * used when the STATE command only includes the final state.  The first
 103  * element of the path is the "from" (current) state, and the last one is
 104  * the "to" (target) state.
 105  *
 106  * All specified paths are the shortest ones in the JTAG spec, and are thus
 107  * not (!!) exact matches for the paths used elsewhere in OpenOCD.  Note
 108  * that PAUSE-to-PAUSE transitions all go through UPDATE and then CAPTURE,
 109  * which has specific effects on the various registers; they are not NOPs.
 110  *
 111  * Paths to RESET are disabled here.  As elsewhere in OpenOCD, and in XSVF
 112  * and many SVF implementations, we don't want to risk missing that state.
 113  * To get to RESET, always we ignore the current state.
 114  */
 115 static const struct svf_statemove svf_statemoves[] =
 116 {
 117         // from                 to                              num_of_moves,   paths[8]
 118 //      {TAP_RESET,             TAP_RESET,              1,                              {TAP_RESET}},
 119         {TAP_RESET,             TAP_IDLE,               2,                              {TAP_RESET, TAP_IDLE}},
 120         {TAP_RESET,             TAP_DRPAUSE,    6,                              {TAP_RESET, TAP_IDLE, TAP_DRSELECT, TAP_DRCAPTURE, TAP_DREXIT1, TAP_DRPAUSE}},
 121         {TAP_RESET,             TAP_IRPAUSE,    7,                              {TAP_RESET, TAP_IDLE, TAP_DRSELECT, TAP_IRSELECT, TAP_IRCAPTURE, TAP_IREXIT1, TAP_IRPAUSE}},
 122
 123 //      {TAP_IDLE,              TAP_RESET,              4,                              {TAP_IDLE, TAP_DRSELECT, TAP_IRSELECT, TAP_RESET}},
 124         {TAP_IDLE,              TAP_IDLE,               1,                              {TAP_IDLE}},
 125         {TAP_IDLE,              TAP_DRPAUSE,    5,                              {TAP_IDLE, TAP_DRSELECT, TAP_DRCAPTURE, TAP_DREXIT1, TAP_DRPAUSE}},
 126         {TAP_IDLE,              TAP_IRPAUSE,    6,                              {TAP_IDLE, TAP_DRSELECT, TAP_IRSELECT, TAP_IRCAPTURE, TAP_IREXIT1, TAP_IRPAUSE}},
 127
 128 //      {TAP_DRPAUSE,   TAP_RESET,              6,                              {TAP_DRPAUSE, TAP_DREXIT2, TAP_DRUPDATE, TAP_DRSELECT, TAP_IRSELECT, TAP_RESET}},
 129         {TAP_DRPAUSE,   TAP_IDLE,               4,                              {TAP_DRPAUSE, TAP_DREXIT2, TAP_DRUPDATE, TAP_IDLE}},
 130         {TAP_DRPAUSE,   TAP_DRPAUSE,    7,                              {TAP_DRPAUSE, TAP_DREXIT2, TAP_DRUPDATE, TAP_DRSELECT, TAP_DRCAPTURE, TAP_DREXIT1, TAP_DRPAUSE}},
 131         {TAP_DRPAUSE,   TAP_IRPAUSE,    8,                              {TAP_DRPAUSE, TAP_DREXIT2, TAP_DRUPDATE, TAP_DRSELECT, TAP_IRSELECT, TAP_IRCAPTURE, TAP_IREXIT1, TAP_IRPAUSE}},
 132
 133 //      {TAP_IRPAUSE,   TAP_RESET,              6,                              {TAP_IRPAUSE, TAP_IREXIT2, TAP_IRUPDATE, TAP_DRSELECT, TAP_IRSELECT, TAP_RESET}},
 134         {TAP_IRPAUSE,   TAP_IDLE,               4,                              {TAP_IRPAUSE, TAP_IREXIT2, TAP_IRUPDATE, TAP_IDLE}},
 135         {TAP_IRPAUSE,   TAP_DRPAUSE,    7,                              {TAP_IRPAUSE, TAP_IREXIT2, TAP_IRUPDATE, TAP_DRSELECT, TAP_DRCAPTURE, TAP_DREXIT1, TAP_DRPAUSE}},
 136         {TAP_IRPAUSE,   TAP_IRPAUSE,    8,                              {TAP_IRPAUSE, TAP_IREXIT2, TAP_IRUPDATE, TAP_DRSELECT, TAP_IRSELECT, TAP_IRCAPTURE, TAP_IREXIT1, TAP_IRPAUSE}}
 137 };
 138
 139
 140 #define XXR_TDI                                         (1 << 0)
 141 #define XXR_TDO                                         (1 << 1)
 142 #define XXR_MASK                                        (1 << 2)
 143 #define XXR_SMASK                                       (1 << 3)
 144 struct svf_xxr_para
 145 {
 146         int len;
 147         int data_mask;
 148         uint8_t *tdi;
 149         uint8_t *tdo;
 150         uint8_t *mask;
 151         uint8_t *smask;
 152 };
 153
 154 struct svf_para
 155 {
 156         float frequency;
 157         tap_state_t ir_end_state;
 158         tap_state_t dr_end_state;
 159         tap_state_t runtest_run_state;
 160         tap_state_t runtest_end_state;
 161         trst_mode_t trst_mode;
 162
 163         struct svf_xxr_para hir_para;
 164         struct svf_xxr_para hdr_para;
 165         struct svf_xxr_para tir_para;
 166         struct svf_xxr_para tdr_para;
 167         struct svf_xxr_para sir_para;
 168         struct svf_xxr_para sdr_para;
 169 };
 170
 171 static struct svf_para svf_para;
 172 static const struct svf_para svf_para_init =
 173 {
 174 //      frequency,      ir_end_state,   dr_end_state,   runtest_run_state,      runtest_end_state,      trst_mode
 175         0,                      TAP_IDLE,               TAP_IDLE,               TAP_IDLE,                       TAP_IDLE,                       TRST_Z,
 176 //      hir_para
 177 //      {len,   data_mask,      tdi,    tdo,    mask,   smask},
 178         {0,             0,                      NULL,   NULL,   NULL,   NULL},
 179 //      hdr_para
 180 //      {len,   data_mask,      tdi,    tdo,    mask,   smask},
 181         {0,             0,                      NULL,   NULL,   NULL,   NULL},
 182 //      tir_para
 183 //      {len,   data_mask,      tdi,    tdo,    mask,   smask},
 184         {0,             0,                      NULL,   NULL,   NULL,   NULL},
 185 //      tdr_para
 186 //      {len,   data_mask,      tdi,    tdo,    mask,   smask},
 187         {0,             0,                      NULL,   NULL,   NULL,   NULL},
 188 //      sir_para
 189 //      {len,   data_mask,      tdi,    tdo,    mask,   smask},
 190         {0,             0,                      NULL,   NULL,   NULL,   NULL},
 191 //      sdr_para
 192 //      {len,   data_mask,      tdi,    tdo,    mask,   smask},
 193         {0,             0,                      NULL,   NULL,   NULL,   NULL},
 194 };
 195
 196 struct svf_check_tdo_para
 197 {
 198         int line_num;           // used to record line number of the check operation
 199                                                 // so more information could be printed
 200         int enabled;            // check is enabled or not
 201         int buffer_offset;      // buffer_offset to buffers
 202         int bit_len;            // bit length to check
 203 };
 204
 205 #define SVF_CHECK_TDO_PARA_SIZE 1024
 206 static struct svf_check_tdo_para *svf_check_tdo_para = NULL;
 207 static int svf_check_tdo_para_index = 0;
 208
 209 static int svf_read_command_from_file(FILE * fd);
 210 static int svf_check_tdo(void);
 211 static int svf_add_check_para(uint8_t enabled, int buffer_offset, int bit_len);
 212 static int svf_run_command(struct command_context *cmd_ctx, char *cmd_str);
 213
 214 static FILE * svf_fd = NULL;
 215 static char * svf_read_line = NULL;
 216 static size_t svf_read_line_size = 0;
 217 static char *svf_command_buffer = NULL;
 218 static size_t svf_command_buffer_size = 0;
 219 static int svf_line_number = 1;
 220 static int svf_getline (char **lineptr, size_t *n, FILE *stream);
 221
 222 #define SVF_MAX_BUFFER_SIZE_TO_COMMIT   (1024 * 1024)
 223 static uint8_t *svf_tdi_buffer = NULL, *svf_tdo_buffer = NULL, *svf_mask_buffer = NULL;
 224 static int svf_buffer_index = 0, svf_buffer_size = 0;
 225 static int svf_quiet = 0;
 226 static int svf_nil = 0;
 227
 228 // Targetting particular tap
 229 static int svf_tap_is_specified = 0;
 230 static int svf_set_padding(struct svf_xxr_para *para, int len, unsigned char tdi);
 231
 232 // Progress Indicator
 233 static int svf_progress_enabled = 0;
 234 static long svf_total_lines = 0;
 235 static int svf_percentage = 0;
 236 static int svf_last_printed_percentage = -1;
 237
 238 static void svf_free_xxd_para(struct svf_xxr_para *para)
 239 {
 240         if (NULL != para)
 241         {
 242                 if (para->tdi != NULL)
 243                 {
 244                         free(para->tdi);
 245                         para->tdi = NULL;
 246                 }
 247                 if (para->tdo != NULL)
 248                 {
 249                         free(para->tdo);
 250                         para->tdo = NULL;
 251                 }
 252                 if (para->mask != NULL)
 253                 {
 254                         free(para->mask);
 255                         para->mask = NULL;
 256                 }
 257                 if (para->smask != NULL)
 258                 {
 259                         free(para->smask);
 260                         para->smask = NULL;
 261                 }
 262         }
 263 }
 264
 265 static unsigned svf_get_mask_u32(int bitlen)
 266 {
 267         uint32_t bitmask;
 268
 269         if (bitlen < 0)
 270         {
 271                 bitmask = 0;
 272         }
 273         else if (bitlen >= 32)
 274         {
 275                 bitmask = 0xFFFFFFFF;
 276         }
 277         else
 278         {
 279                 bitmask = (1 << bitlen) - 1;
 280         }
 281
 282         return bitmask;
 283 }
 284
 285 int svf_add_statemove(tap_state_t state_to)
 286 {
 287         tap_state_t state_from = cmd_queue_cur_state;
 288         unsigned index_var;
 289
 290         /* when resetting, be paranoid and ignore current state */
 291         if (state_to == TAP_RESET) {
 292                 if (svf_nil)
 293                         return ERROR_OK;
 294
 295                 jtag_add_tlr();
 296                 return ERROR_OK;
 297         }
 298
 299         for (index_var = 0; index_var < ARRAY_SIZE(svf_statemoves); index_var++)
 300         {
 301                 if ((svf_statemoves[index_var].from == state_from)
 302                         && (svf_statemoves[index_var].to == state_to))
 303                 {
 304                         if (svf_nil)
 305                         {
 306                                 continue;
 307                         }
 308                         /* recorded path includes current state ... avoid extra TCKs! */
 309                         if (svf_statemoves[index_var].num_of_moves > 1)
 310                                 jtag_add_pathmove(svf_statemoves[index_var].num_of_moves - 1,
 311                                                 svf_statemoves[index_var].paths + 1);
 312                         else
 313                                 jtag_add_pathmove(svf_statemoves[index_var].num_of_moves,
 314                                                 svf_statemoves[index_var].paths);
 315                         return ERROR_OK;
 316                 }
 317         }
 318         LOG_ERROR("SVF: can not move to %s", tap_state_name(state_to));
 319         return ERROR_FAIL;
 320 }
 321
 322 COMMAND_HANDLER(handle_svf_command)
 323 {
 324 #define SVF_MIN_NUM_OF_OPTIONS                  1
 325 #define SVF_MAX_NUM_OF_OPTIONS                  5
 326         int command_num = 0;
 327         int ret = ERROR_OK;
 328         long long time_measure_ms;
 329         int time_measure_s, time_measure_m;
 330
 331         /* use NULL to indicate a "plain" svf file which accounts for
 332            any additional devices in the scan chain, otherwise the device
 333            that should be affected
 334         */
 335         struct jtag_tap *tap = NULL;
 336
 337         if ((CMD_ARGC < SVF_MIN_NUM_OF_OPTIONS) || (CMD_ARGC > SVF_MAX_NUM_OF_OPTIONS))
 338         {
 339                 return ERROR_COMMAND_SYNTAX_ERROR;
 340         }
 341
 342         // parse command line
 343         svf_quiet = 0;
 344         svf_nil = 0;
 345         for (unsigned int i = 0; i < CMD_ARGC; i++)
 346         {
 347                 if (strcmp(CMD_ARGV[i], "-tap") == 0)
 348                 {
 349                         tap = jtag_tap_by_string(CMD_ARGV[i+1]);
 350                         if (!tap)
 351                         {
 352                                 command_print(CMD_CTX, "Tap: %s unknown", CMD_ARGV[i+1]);
 353                                 return ERROR_FAIL;
 354                         }
 355                         i++;
 356                 }
 357                 else if ((strcmp(CMD_ARGV[i], "quiet") == 0) || (strcmp(CMD_ARGV[i], "-quiet") == 0))
 358                 {
 359                         svf_quiet = 1;
 360                 }
 361                 else if ((strcmp(CMD_ARGV[i], "nil") == 0) || (strcmp(CMD_ARGV[i], "-nil") == 0))
 362                 {
 363                         svf_nil = 1;
 364                 }
 365                 else if ((strcmp(CMD_ARGV[i], "progress") == 0) || (strcmp(CMD_ARGV[i], "-progress") == 0))
 366                 {
 367                         svf_progress_enabled = 1;
 368                 }
 369                 else if ((svf_fd = fopen(CMD_ARGV[i], "r")) == NULL)
 370                 {
 371                         int err = errno;
 372                         command_print(CMD_CTX, "open(\"%s\"): %s", CMD_ARGV[i], strerror(err));
 373                         // no need to free anything now
 374                         return ERROR_COMMAND_SYNTAX_ERROR;
 375                 }
 376                 else
 377                 {
 378                         LOG_USER("svf processing file: \"%s\"", CMD_ARGV[i]);
 379                 }
 380         }
 381
 382         if (svf_fd == NULL)
 383         {
 384                 return ERROR_COMMAND_SYNTAX_ERROR;
 385         }
 386
 387         // get time
 388         time_measure_ms = timeval_ms();
 389
 390         // init
 391         svf_line_number = 1;
 392         svf_command_buffer_size = 0;
 393
 394         svf_check_tdo_para_index = 0;
 395         svf_check_tdo_para = malloc(sizeof(struct svf_check_tdo_para) * SVF_CHECK_TDO_PARA_SIZE);
 396         if (NULL == svf_check_tdo_para)
 397         {
 398                 LOG_ERROR("not enough memory");
 399                 ret = ERROR_FAIL;
 400                 goto free_all;
 401         }
 402
 403         svf_buffer_index = 0;
 404         // double the buffer size
 405         // in case current command cannot be committed, and next command is a bit scan command
 406         // here is 32K bits for this big scan command, it should be enough
 407         // buffer will be reallocated if buffer size is not enough
 408         svf_tdi_buffer = (uint8_t *)malloc(2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT);
 409         if (NULL == svf_tdi_buffer)
 410         {
 411                 LOG_ERROR("not enough memory");
 412                 ret = ERROR_FAIL;
 413                 goto free_all;
 414         }
 415         svf_tdo_buffer = (uint8_t *)malloc(2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT);
 416         if (NULL == svf_tdo_buffer)
 417         {
 418                 LOG_ERROR("not enough memory");
 419                 ret = ERROR_FAIL;
 420                 goto free_all;
 421         }
 422         svf_mask_buffer = (uint8_t *)malloc(2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT);
 423         if (NULL == svf_mask_buffer)
 424         {
 425                 LOG_ERROR("not enough memory");
 426                 ret = ERROR_FAIL;
 427                 goto free_all;
 428         }
 429         svf_buffer_size = 2 * SVF_MAX_BUFFER_SIZE_TO_COMMIT;
 430
 431         memcpy(&svf_para, &svf_para_init, sizeof(svf_para));
 432
 433         if (!svf_nil)
 434         {
 435                 // TAP_RESET
 436                 jtag_add_tlr();
 437         }
 438
 439         if (tap)
 440         {
 441                 /* Tap is specified, set header/trailer paddings */
 442                 int header_ir_len = 0, header_dr_len = 0, trailer_ir_len = 0, trailer_dr_len = 0;
 443                 struct jtag_tap *check_tap;
 444
 445                 svf_tap_is_specified = 1;
 446
 447                 for (check_tap = jtag_all_taps(); check_tap; check_tap = check_tap->next_tap) {
 448                         if (check_tap->abs_chain_position < tap->abs_chain_position)
 449                         {
 450                                 //Header
 451                                 header_ir_len += check_tap->ir_length;
 452                                 header_dr_len ++;
 453                         }
 454                         else if (check_tap->abs_chain_position > tap->abs_chain_position)
 455                         {
 456                                 //Trailer
 457                                 trailer_ir_len += check_tap->ir_length;
 458                                 trailer_dr_len ++;
 459                         }
 460                 }
 461
 462                 // HDR %d TDI (0)
 463                 if (ERROR_OK != svf_set_padding(&svf_para.hdr_para, header_dr_len, 0))
 464                 {
 465                         LOG_ERROR("failed to set data header");
 466                         return ERROR_FAIL;
 467                 }
 468
 469                 // HIR %d TDI (0xFF)
 470                 if (ERROR_OK != svf_set_padding(&svf_para.hir_para, header_ir_len, 0xFF))
 471                 {
 472                         LOG_ERROR("failed to set instruction header");
 473                         return ERROR_FAIL;
 474                 }
 475
 476                 // TDR %d TDI (0)
 477                 if (ERROR_OK != svf_set_padding(&svf_para.tdr_para, trailer_dr_len, 0))
 478                 {
 479                         LOG_ERROR("failed to set data trailer");
 480                         return ERROR_FAIL;
 481                 }
 482
 483                 // TIR %d TDI (0xFF)
 484                 if (ERROR_OK != svf_set_padding(&svf_para.tir_para, trailer_ir_len, 0xFF))
 485                 {
 486                         LOG_ERROR("failed to set instruction trailer");
 487                         return ERROR_FAIL;
 488                 }
 489
 490         }
 491
 492         if (svf_progress_enabled)
 493         {
 494                 // Count total lines in file.
 495                 while ( ! feof (svf_fd) )
 496                  {
 497                    svf_getline (&svf_command_buffer, &svf_command_buffer_size, svf_fd);
 498                    svf_total_lines++;
 499                  }
 500                 rewind(svf_fd);
 501         }
 502         while (ERROR_OK == svf_read_command_from_file(svf_fd))
 503         {
 504                 // Log Output
 505                 if (svf_quiet)
 506                 {
 507                         if (svf_progress_enabled)
 508                         {
 509                                 svf_percentage = ((svf_line_number * 20) / svf_total_lines) * 5;
 510                                 if (svf_last_printed_percentage != svf_percentage)
 511                                 {
 512                                         LOG_USER_N("\r%d%%    ", svf_percentage);
 513                                         svf_last_printed_percentage = svf_percentage;
 514                                 }
 515                         }
 516                 }
 517                 else
 518                 {
 519                         if (svf_progress_enabled)
 520                         {
 521                                 svf_percentage = ((svf_line_number * 20) / svf_total_lines) * 5;
 522                                 LOG_USER_N("%3d%%  %s", svf_percentage, svf_read_line);
 523                         }
 524                         else
 525                         {
 526                                 LOG_USER_N("%s",svf_read_line);
 527                         }
 528                 }
 529                         // Run Command
 530                 if (ERROR_OK != svf_run_command(CMD_CTX, svf_command_buffer))
 531                 {
 532                         LOG_ERROR("fail to run command at line %d", svf_line_number);
 533                         ret = ERROR_FAIL;
 534                         break;
 535                 }
 536                 command_num++;
 537         }
 538
 539         if ((!svf_nil) && (ERROR_OK != jtag_execute_queue()))
 540         {
 541                 ret = ERROR_FAIL;
 542         }
 543         else if (ERROR_OK != svf_check_tdo())
 544         {
 545                 ret = ERROR_FAIL;
 546         }
 547
 548         // print time
 549         time_measure_ms = timeval_ms() - time_measure_ms;
 550         time_measure_s = time_measure_ms / 1000;
 551         time_measure_ms %= 1000;
 552         time_measure_m = time_measure_s / 60;
 553         time_measure_s %= 60;
 554         if (time_measure_ms < 1000)
 555         {
 556                 command_print(CMD_CTX, "\r\nTime used: %dm%ds%lldms ", time_measure_m, time_measure_s, time_measure_ms);
 557         }
 558
 559 free_all:
 560
 561         fclose(svf_fd);
 562         svf_fd = 0;
 563
 564         // free buffers
 565         if (svf_command_buffer)
 566         {
 567                 free(svf_command_buffer);
 568                 svf_command_buffer = NULL;
 569                 svf_command_buffer_size = 0;
 570         }
 571         if (svf_check_tdo_para)
 572         {
 573                 free(svf_check_tdo_para);
 574                 svf_check_tdo_para = NULL;
 575                 svf_check_tdo_para_index = 0;
 576         }
 577         if (svf_tdi_buffer)
 578         {
 579                 free(svf_tdi_buffer);
 580                 svf_tdi_buffer = NULL;
 581         }
 582         if (svf_tdo_buffer)
 583         {
 584                 free(svf_tdo_buffer);
 585                 svf_tdo_buffer = NULL;
 586         }
 587         if (svf_mask_buffer)
 588         {
 589                 free(svf_mask_buffer);
 590                 svf_mask_buffer = NULL;
 591         }
 592         svf_buffer_index = 0;
 593         svf_buffer_size = 0;
 594
 595         svf_free_xxd_para(&svf_para.hdr_para);
 596         svf_free_xxd_para(&svf_para.hir_para);
 597         svf_free_xxd_para(&svf_para.tdr_para);
 598         svf_free_xxd_para(&svf_para.tir_para);
 599         svf_free_xxd_para(&svf_para.sdr_para);
 600         svf_free_xxd_para(&svf_para.sir_para);
 601
 602         if (ERROR_OK == ret)
 603         {
 604                 command_print(CMD_CTX, "svf file programmed successfully for %d commands", command_num);
 605         }
 606         else
 607         {
 608                 command_print(CMD_CTX, "svf file programmed failed");
 609         }
 610
 611         return ret;
 612 }
 613
 614 static int svf_getline (char **lineptr, size_t *n, FILE *stream)
 615 {
 616 #define MIN_CHUNK 16    //Buffer is increased by this size each time as required
 617   size_t i = 0;
 618
 619   if (*lineptr == NULL)
 620     {
 621       *n = MIN_CHUNK;
 622       *lineptr = (char *)malloc (*n);
 623       if (!*lineptr)
 624         {
 625                   return -1;
 626         }
 627     }
 628
 629         (*lineptr)[0] = fgetc(stream);
 630         while ((*lineptr)[i] != '\n')
 631         {
 632                 (*lineptr)[++i] = fgetc(stream);
 633                 if (feof(stream))
 634                 {
 635                         (*lineptr)[0] = 0;
 636                         return -1;
 637                 }
 638                 if ((i + 2) > *n)
 639                 {
 640                         *n += MIN_CHUNK;
 641                         *lineptr = realloc(*lineptr, *n);
 642                 }
 643         }
 644
 645         (*lineptr)[++i] = 0;
 646
 647         return sizeof(*lineptr);
 648 }
 649
 650 #define SVFP_CMD_INC_CNT                        1024
 651 static int svf_read_command_from_file(FILE * fd)
 652 {
 653         unsigned char ch;
 654         int i = 0;
 655         size_t cmd_pos = 0;
 656         int cmd_ok = 0, slash = 0, comment = 0;
 657
 658         if (svf_getline (&svf_read_line, &svf_read_line_size, svf_fd) <= 0)
 659         {
 660                 return ERROR_FAIL;
 661         }
 662         svf_line_number++;
 663         ch = svf_read_line[0];
 664         while (!cmd_ok && (ch != 0))
 665         {
 666                 switch (ch)
 667                 {
 668                 case '!':
 669                         slash = 0;
 670                         if (svf_getline (&svf_read_line, &svf_read_line_size, svf_fd) <= 0)
 671                         {
 672                                 return ERROR_FAIL;
 673                         }
 674                         svf_line_number++;
 675                         i = -1;
 676                         break;
 677                 case '/':
 678                         if (++slash == 2)
 679                         {
 680                                 slash = 0;
 681                                 if (svf_getline (&svf_read_line, &svf_read_line_size, svf_fd) <= 0)
 682                                 {
 683                                         return ERROR_FAIL;
 684                                 }
 685                                 svf_line_number++;
 686                                 i = -1;
 687                         }
 688                         break;
 689                 case ';':
 690                         slash = 0;
 691                         cmd_ok = 1;
 692                         break;
 693                 case '\n':
 694                         svf_line_number++;
 695                         if (svf_getline (&svf_read_line, &svf_read_line_size, svf_fd) <= 0)
 696                         {
 697                                 return ERROR_FAIL;
 698                         }
 699                         i = -1;
 700                 case '\r':
 701                         slash = 0;
 702                         comment = 0;
 703                         /* Don't save '\r' and '\n' if no data is parsed */
 704                         if (!cmd_pos)
 705                                 break;
 706                 default:
 707                         /* The parsing code currently expects a space
 708                          * before parentheses -- "TDI (123)".  Also a
 709                          * space afterwards -- "TDI (123) TDO(456)".
 710                          * But such spaces are optional... instead of
 711                          * parser updates, cope with that by adding the
 712                          * spaces as needed.
 713                          *
 714                          * Ensure there are 3 bytes available, for:
 715                          *  - current character
 716                          *  - added space.
 717                          *  - terminating NUL ('\0')
 718                          */
 719                         if ((cmd_pos + 2) >= svf_command_buffer_size)
 720                         {
 721                                 svf_command_buffer = realloc(svf_command_buffer, (cmd_pos + 2));
 722                                 if (svf_command_buffer == NULL)
 723                                 {
 724                                         LOG_ERROR("not enough memory");
 725                                         return ERROR_FAIL;
 726                                 }
 727                         }
 728
 729                         /* insert a space before '(' */
 730                         if ('(' == ch)
 731                                 svf_command_buffer[cmd_pos++] = ' ';
 732
 733                         svf_command_buffer[cmd_pos++] = (char)toupper(ch);
 734
 735                         /* insert a space after ')' */
 736                         if (')' == ch)
 737                                 svf_command_buffer[cmd_pos++] = ' ';
 738                         break;
 739                 }
 740                 ch = svf_read_line[++i];
 741         }
 742
 743         if (cmd_ok)
 744         {
 745                 svf_command_buffer[cmd_pos] = '\0';
 746                 return ERROR_OK;
 747         }
 748         else
 749         {
 750                 return ERROR_FAIL;
 751         }
 752 }
 753
 754 static int svf_parse_cmd_string(char *str, int len, char **argus, int *num_of_argu)
 755 {
 756         int pos = 0, num = 0, space_found = 1, in_bracket = 0;
 757
 758         while (pos < len)
 759         {
 760                 switch (str[pos])
 761                 {
 762                 case '!':
 763                 case '/':
 764                         LOG_ERROR("fail to parse svf command");
 765                         return ERROR_FAIL;
 766                 case '(':
 767                         in_bracket = 1;
 768                         goto parse_char;
 769                 case ')':
 770                         in_bracket = 0;
 771                         goto parse_char;
 772                 default:
 773 parse_char:
 774                         if (!in_bracket && isspace((int) str[pos]))
 775                         {
 776                                 space_found = 1;
 777                                 str[pos] = '\0';
 778                         }
 779                         else if (space_found)
 780                         {
 781                                 argus[num++] = &str[pos];
 782                                 space_found = 0;
 783                         }
 784                         break;
 785                 }
 786                 pos++;
 787         }
 788
 789         *num_of_argu = num;
 790
 791         return ERROR_OK;
 792 }
 793
 794 bool svf_tap_state_is_stable(tap_state_t state)
 795 {
 796         return (TAP_RESET == state) || (TAP_IDLE == state)
 797                         || (TAP_DRPAUSE == state) || (TAP_IRPAUSE == state);
 798 }
 799
 800 static int svf_find_string_in_array(char *str, char **strs, int num_of_element)
 801 {
 802         int i;
 803
 804         for (i = 0; i < num_of_element; i++)
 805         {
 806                 if (!strcmp(str, strs[i]))
 807                 {
 808                         return i;
 809                 }
 810         }
 811         return 0xFF;
 812 }
 813
 814 static int svf_adjust_array_length(uint8_t **arr, int orig_bit_len, int new_bit_len)
 815 {
 816         int new_byte_len = (new_bit_len + 7) >> 3;
 817
 818         if ((NULL == *arr) || (((orig_bit_len + 7) >> 3) < ((new_bit_len + 7) >> 3)))
 819         {
 820                 if (*arr != NULL)
 821                 {
 822                         free(*arr);
 823                         *arr = NULL;
 824                 }
 825                 *arr = (uint8_t*)malloc(new_byte_len);
 826                 if (NULL == *arr)
 827                 {
 828                         LOG_ERROR("not enough memory");
 829                         return ERROR_FAIL;
 830                 }
 831                 memset(*arr, 0, new_byte_len);
 832         }
 833         return ERROR_OK;
 834 }
 835
 836 static int svf_set_padding(struct svf_xxr_para *para, int len, unsigned char tdi)
 837 {
 838         int error = ERROR_OK;
 839         error |= svf_adjust_array_length(&para->tdi, para->len, len);
 840         memset(para->tdi, tdi, (len + 7) >> 3);
 841         error |= svf_adjust_array_length(&para->tdo, para->len, len);
 842         error |= svf_adjust_array_length(&para->mask, para->len, len);
 843         para->len = len;
 844         para->data_mask = XXR_TDI;
 845
 846         return error;
 847 }
 848
 849 static int svf_copy_hexstring_to_binary(char *str, uint8_t **bin, int orig_bit_len, int bit_len)
 850 {
 851         int i, str_len = strlen(str), str_hbyte_len = (bit_len + 3) >> 2;
 852         uint8_t ch = 0;
 853
 854         if (ERROR_OK != svf_adjust_array_length(bin, orig_bit_len, bit_len))
 855         {
 856                 LOG_ERROR("fail to adjust length of array");
 857                 return ERROR_FAIL;
 858         }
 859
 860         /* fill from LSB (end of str) to MSB (beginning of str) */
 861         for (i = 0; i < str_hbyte_len; i++)
 862         {
 863                 ch = 0;
 864                 while (str_len > 0)
 865                 {
 866                         ch = str[--str_len];
 867
 868                         /* Skip whitespace.  The SVF specification (rev E) is
 869                          * deficient in terms of basic lexical issues like
 870                          * where whitespace is allowed.  Long bitstrings may
 871                          * require line ends for correctness, since there is
 872                          * a hard limit on line length.
 873                          */
 874                         if (!isspace(ch))
 875                         {
 876                                 if ((ch >= '0') && (ch <= '9'))
 877                                 {
 878                                         ch = ch - '0';
 879                                         break;
 880                                 }
 881                                 else if ((ch >= 'A') && (ch <= 'F'))
 882                                 {
 883                                         ch = ch - 'A' + 10;
 884                                         break;
 885                                 }
 886                                 else
 887                                 {
 888                                         LOG_ERROR("invalid hex string");
 889                                         return ERROR_FAIL;
 890                                 }
 891                         }
 892
 893                         ch = 0;
 894                 }
 895
 896                 // write bin
 897                 if (i % 2)
 898                 {
 899                         // MSB
 900                         (*bin)[i / 2] |= ch << 4;
 901                 }
 902                 else
 903                 {
 904                         // LSB
 905                         (*bin)[i / 2] = 0;
 906                         (*bin)[i / 2] |= ch;
 907                 }
 908         }
 909
 910         /* consume optional leading '0' MSBs or whitespace */
 911         while (str_len > 0 && ((str[str_len - 1] == '0')
 912                                 || isspace((int) str[str_len - 1])))
 913                 str_len--;
 914
 915         /* check validity: we must have consumed everything */
 916         if (str_len > 0 || (ch & ~((2 << ((bit_len - 1) % 4)) - 1)) != 0)
 917         {
 918                 LOG_ERROR("value execeeds length");
 919                 return ERROR_FAIL;
 920         }
 921
 922         return ERROR_OK;
 923 }
 924
 925 static int svf_check_tdo(void)
 926 {
 927         int i, len, index_var;
 928
 929         for (i = 0; i < svf_check_tdo_para_index; i++)
 930         {
 931                 index_var = svf_check_tdo_para[i].buffer_offset;
 932                 len = svf_check_tdo_para[i].bit_len;
 933                 if ((svf_check_tdo_para[i].enabled)
 934                         && buf_cmp_mask(&svf_tdi_buffer[index_var], &svf_tdo_buffer[index_var], &svf_mask_buffer[index_var], len))
 935                 {
 936                         unsigned bitmask;
 937                         unsigned received, expected, tapmask;
 938                         bitmask = svf_get_mask_u32(svf_check_tdo_para[i].bit_len);
 939
 940                         memcpy(&received, svf_tdi_buffer + index_var, sizeof(unsigned));
 941                         memcpy(&expected, svf_tdo_buffer + index_var, sizeof(unsigned));
 942                         memcpy(&tapmask, svf_mask_buffer + index_var, sizeof(unsigned));
 943                         LOG_ERROR("tdo check error at line %d",
 944                                           svf_check_tdo_para[i].line_num);
 945                         LOG_ERROR("read = 0x%X, want = 0x%X, mask = 0x%X",
 946                                           received & bitmask,
 947                                           expected & bitmask,
 948                                           tapmask & bitmask);
 949                         return ERROR_FAIL;
 950                 }
 951         }
 952         svf_check_tdo_para_index = 0;
 953
 954         return ERROR_OK;
 955 }
 956
 957 static int svf_add_check_para(uint8_t enabled, int buffer_offset, int bit_len)
 958 {
 959         if (svf_check_tdo_para_index >= SVF_CHECK_TDO_PARA_SIZE)
 960         {
 961                 LOG_ERROR("toooooo many operation undone");
 962                 return ERROR_FAIL;
 963         }
 964
 965         svf_check_tdo_para[svf_check_tdo_para_index].line_num = svf_line_number;
 966         svf_check_tdo_para[svf_check_tdo_para_index].bit_len = bit_len;
 967         svf_check_tdo_para[svf_check_tdo_para_index].enabled = enabled;
 968         svf_check_tdo_para[svf_check_tdo_para_index].buffer_offset = buffer_offset;
 969         svf_check_tdo_para_index++;
 970
 971         return ERROR_OK;
 972 }
 973
 974 static int svf_execute_tap(void)
 975 {
 976         if ((!svf_nil) && (ERROR_OK != jtag_execute_queue()))
 977         {
 978                 return ERROR_FAIL;
 979         }
 980         else if (ERROR_OK != svf_check_tdo())
 981         {
 982                 return ERROR_FAIL;
 983         }
 984
 985         svf_buffer_index = 0;
 986
 987         return ERROR_OK;
 988 }
 989
 990 static int svf_run_command(struct command_context *cmd_ctx, char *cmd_str)
 991 {
 992         char *argus[256], command;
 993         int num_of_argu = 0, i;
 994
 995         // tmp variable
 996         int i_tmp;
 997
 998         // for RUNTEST
 999         int run_count;
1000         float min_time, max_time;
1001         // for XXR
1002         struct svf_xxr_para *xxr_para_tmp;
1003         uint8_t **pbuffer_tmp;
1004         struct scan_field field;
1005         // for STATE
1006         tap_state_t *path = NULL, state;
1007         // flag padding commands skipped due to -tap command
1008         int padding_command_skipped = 0;
1009
1010         if (ERROR_OK != svf_parse_cmd_string(cmd_str, strlen(cmd_str), argus, &num_of_argu))
1011         {
1012                 return ERROR_FAIL;
1013         }
1014
1015         /* NOTE: we're a bit loose here, because we ignore case in
1016          * TAP state names (instead of insisting on uppercase).
1017          */
1018
1019         command = svf_find_string_in_array(argus[0],
1020                         (char **)svf_command_name, ARRAY_SIZE(svf_command_name));
1021         switch (command)
1022         {
1023         case ENDDR:
1024         case ENDIR:
1025                 if (num_of_argu != 2)
1026                 {
1027                         LOG_ERROR("invalid parameter of %s", argus[0]);
1028                         return ERROR_FAIL;
1029                 }
1030
1031                 i_tmp = tap_state_by_name(argus[1]);
1032
1033                 if (svf_tap_state_is_stable(i_tmp))
1034                 {
1035                         if (command == ENDIR)
1036                         {
1037                                 svf_para.ir_end_state = i_tmp;
1038                                 LOG_DEBUG("\tIR end_state = %s",
1039                                                 tap_state_name(i_tmp));
1040                         }
1041                         else
1042                         {
1043                                 svf_para.dr_end_state = i_tmp;
1044                                 LOG_DEBUG("\tDR end_state = %s",
1045                                                 tap_state_name(i_tmp));
1046                         }
1047                 }
1048                 else
1049                 {
1050                         LOG_ERROR("%s: %s is not a stable state",
1051                                         argus[0], argus[1]);
1052                         return ERROR_FAIL;
1053                 }
1054                 break;
1055         case FREQUENCY:
1056                 if ((num_of_argu != 1) && (num_of_argu != 3))
1057                 {
1058                         LOG_ERROR("invalid parameter of %s", argus[0]);
1059                         return ERROR_FAIL;
1060                 }
1061                 if (1 == num_of_argu)
1062                 {
1063                         // TODO: set jtag speed to full speed
1064                         svf_para.frequency = 0;
1065                 }
1066                 else
1067                 {
1068                         if (strcmp(argus[2], "HZ"))
1069                         {
1070                                 LOG_ERROR("HZ not found in FREQUENCY command");
1071                                 return ERROR_FAIL;
1072                         }
1073                         if (ERROR_OK != svf_execute_tap())
1074                         {
1075                                 return ERROR_FAIL;
1076                         }
1077                         svf_para.frequency = atof(argus[1]);
1078                         // TODO: set jtag speed to
1079                         if (svf_para.frequency > 0)
1080                         {
1081                                 command_run_linef(cmd_ctx, "adapter_khz %d", (int)svf_para.frequency / 1000);
1082                                 LOG_DEBUG("\tfrequency = %f", svf_para.frequency);
1083                         }
1084                 }
1085                 break;
1086         case HDR:
1087                 if (svf_tap_is_specified)
1088                 {
1089                         padding_command_skipped = 1;
1090                         break;
1091                 }
1092                 xxr_para_tmp = &svf_para.hdr_para;
1093                 goto XXR_common;
1094         case HIR:
1095                 if (svf_tap_is_specified)
1096                 {
1097                         padding_command_skipped = 1;
1098                         break;
1099                 }
1100                 xxr_para_tmp = &svf_para.hir_para;
1101                 goto XXR_common;
1102         case TDR:
1103                 if (svf_tap_is_specified)
1104                 {
1105                         padding_command_skipped = 1;
1106                         break;
1107                 }
1108                 xxr_para_tmp = &svf_para.tdr_para;
1109                 goto XXR_common;
1110         case TIR:
1111                 if (svf_tap_is_specified)
1112                 {
1113                         padding_command_skipped = 1;
1114                         break;
1115                 }
1116                 xxr_para_tmp = &svf_para.tir_para;
1117                 goto XXR_common;
1118         case SDR:
1119                 xxr_para_tmp = &svf_para.sdr_para;
1120                 goto XXR_common;
1121         case SIR:
1122                 xxr_para_tmp = &svf_para.sir_para;
1123                 goto XXR_common;
1124                 XXR_common:
1125                 // XXR length [TDI (tdi)] [TDO (tdo)][MASK (mask)] [SMASK (smask)]
1126                 if ((num_of_argu > 10) || (num_of_argu % 2))
1127                 {
1128                         LOG_ERROR("invalid parameter of %s", argus[0]);
1129                         return ERROR_FAIL;
1130                 }
1131                 i_tmp = xxr_para_tmp->len;
1132                 xxr_para_tmp->len = atoi(argus[1]);
1133                 LOG_DEBUG("\tlength = %d", xxr_para_tmp->len);
1134                 xxr_para_tmp->data_mask = 0;
1135                 for (i = 2; i < num_of_argu; i += 2)
1136                 {
1137                         if ((strlen(argus[i + 1]) < 3) || (argus[i + 1][0] != '(') || (argus[i + 1][strlen(argus[i + 1]) - 1] != ')'))
1138                         {
1139                                 LOG_ERROR("data section error");
1140                                 return ERROR_FAIL;
1141                         }
1142                         argus[i + 1][strlen(argus[i + 1]) - 1] = '\0';
1143                         // TDI, TDO, MASK, SMASK
1144                         if (!strcmp(argus[i], "TDI"))
1145                         {
1146                                 // TDI
1147                                 pbuffer_tmp = &xxr_para_tmp->tdi;
1148                                 xxr_para_tmp->data_mask |= XXR_TDI;
1149                         }
1150                         else if (!strcmp(argus[i], "TDO"))
1151                         {
1152                                 // TDO
1153                                 pbuffer_tmp = &xxr_para_tmp->tdo;
1154                                 xxr_para_tmp->data_mask |= XXR_TDO;
1155                         }
1156                         else if (!strcmp(argus[i], "MASK"))
1157                         {
1158                                 // MASK
1159                                 pbuffer_tmp = &xxr_para_tmp->mask;
1160                                 xxr_para_tmp->data_mask |= XXR_MASK;
1161                         }
1162                         else if (!strcmp(argus[i], "SMASK"))
1163                         {
1164                                 // SMASK
1165                                 pbuffer_tmp = &xxr_para_tmp->smask;
1166                                 xxr_para_tmp->data_mask |= XXR_SMASK;
1167                         }
1168                         else
1169                         {
1170                                 LOG_ERROR("unknow parameter: %s", argus[i]);
1171                                 return ERROR_FAIL;
1172                         }
1173                         if (ERROR_OK != svf_copy_hexstring_to_binary(&argus[i + 1][1], pbuffer_tmp, i_tmp, xxr_para_tmp->len))
1174                         {
1175                                 LOG_ERROR("fail to parse hex value");
1176                                 return ERROR_FAIL;
1177                         }
1178                         LOG_DEBUG("\t%s = 0x%X", argus[i], (**(int**)pbuffer_tmp) & svf_get_mask_u32(xxr_para_tmp->len));
1179                 }
1180                 // If a command changes the length of the last scan of the same type and the MASK parameter is absent,
1181                 // the mask pattern used is all cares
1182                 if (!(xxr_para_tmp->data_mask & XXR_MASK) && (i_tmp != xxr_para_tmp->len))
1183                 {
1184                         // MASK not defined and length changed
1185                         if (ERROR_OK != svf_adjust_array_length(&xxr_para_tmp->mask, i_tmp, xxr_para_tmp->len))
1186                         {
1187                                 LOG_ERROR("fail to adjust length of array");
1188                                 return ERROR_FAIL;
1189                         }
1190                         buf_set_ones(xxr_para_tmp->mask, xxr_para_tmp->len);
1191                 }
1192                 // If TDO is absent, no comparison is needed, set the mask to 0
1193                 if (!(xxr_para_tmp->data_mask & XXR_TDO))
1194                 {
1195                         if (NULL == xxr_para_tmp->tdo)
1196                         {
1197                                 if (ERROR_OK != svf_adjust_array_length(&xxr_para_tmp->tdo, i_tmp, xxr_para_tmp->len))
1198                                 {
1199                                         LOG_ERROR("fail to adjust length of array");
1200                                         return ERROR_FAIL;
1201                                 }
1202                         }
1203                         if (NULL == xxr_para_tmp->mask)
1204                         {
1205                                 if (ERROR_OK != svf_adjust_array_length(&xxr_para_tmp->mask, i_tmp, xxr_para_tmp->len))
1206                                 {
1207                                         LOG_ERROR("fail to adjust length of array");
1208                                         return ERROR_FAIL;
1209                                 }
1210                         }
1211                         memset(xxr_para_tmp->mask, 0, (xxr_para_tmp->len + 7) >> 3);
1212                 }
1213                 // do scan if necessary
1214                 if (SDR == command)
1215                 {
1216                         // check buffer size first, reallocate if necessary
1217                         i = svf_para.hdr_para.len + svf_para.sdr_para.len + svf_para.tdr_para.len;
1218                         if ((svf_buffer_size - svf_buffer_index) < ((i + 7) >> 3))
1219                         {
1220 #if 1
1221                                 // simply print error message
1222                                 LOG_ERROR("buffer is not enough, report to author");
1223                                 return ERROR_FAIL;
1224 #else
1225                                 uint8_t *buffer_tmp;
1226
1227                                 // reallocate buffer
1228                                 buffer_tmp = (uint8_t *)malloc(svf_buffer_index + ((i + 7) >> 3));
1229                                 if (NULL == buffer_tmp)
1230                                 {
1231                                         LOG_ERROR("not enough memory");
1232                                         return ERROR_FAIL;
1233                                 }
1234                                 memcpy(buffer_tmp, svf_tdi_buffer, svf_buffer_index);
1235                                 // svf_tdi_buffer isn't NULL here
1236                                 free(svf_tdi_buffer);
1237                                 svf_tdi_buffer = buffer_tmp;
1238
1239                                 buffer_tmp = (uint8_t *)malloc(svf_buffer_index + ((i + 7) >> 3));
1240                                 if (NULL == buffer_tmp)
1241                                 {
1242                                         LOG_ERROR("not enough memory");
1243                                         return ERROR_FAIL;
1244                                 }
1245                                 memcpy(buffer_tmp, svf_tdo_buffer, svf_buffer_index);
1246                                 // svf_tdo_buffer isn't NULL here
1247                                 free(svf_tdo_buffer);
1248                                 svf_tdo_buffer = buffer_tmp;
1249
1250                                 buffer_tmp = (uint8_t *)malloc(svf_buffer_index + ((i + 7) >> 3));
1251                                 if (NULL == buffer_tmp)
1252                                 {
1253                                         LOG_ERROR("not enough memory");
1254                                         return ERROR_FAIL;
1255                                 }
1256                                 memcpy(buffer_tmp, svf_mask_buffer, svf_buffer_index);
1257                                 // svf_mask_buffer isn't NULL here
1258                                 free(svf_mask_buffer);
1259                                 svf_mask_buffer = buffer_tmp;
1260
1261                                 buffer_tmp = NULL;
1262                                 svf_buffer_size = svf_buffer_index + ((i + 7) >> 3);
1263 #endif
1264                         }
1265
1266                         // assemble dr data
1267                         i = 0;
1268                         buf_set_buf(svf_para.hdr_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.hdr_para.len);
1269                         i += svf_para.hdr_para.len;
1270                         buf_set_buf(svf_para.sdr_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.sdr_para.len);
1271                         i += svf_para.sdr_para.len;
1272                         buf_set_buf(svf_para.tdr_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.tdr_para.len);
1273                         i += svf_para.tdr_para.len;
1274
1275                         // add check data
1276                         if (svf_para.sdr_para.data_mask & XXR_TDO)
1277                         {
1278                                 // assemble dr mask data
1279                                 i = 0;
1280                                 buf_set_buf(svf_para.hdr_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.hdr_para.len);
1281                                 i += svf_para.hdr_para.len;
1282                                 buf_set_buf(svf_para.sdr_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.sdr_para.len);
1283                                 i += svf_para.sdr_para.len;
1284                                 buf_set_buf(svf_para.tdr_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.tdr_para.len);
1285                                 i += svf_para.tdr_para.len;
1286                                 // assemble dr check data
1287                                 i = 0;
1288                                 buf_set_buf(svf_para.hdr_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.hdr_para.len);
1289                                 i += svf_para.hdr_para.len;
1290                                 buf_set_buf(svf_para.sdr_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.sdr_para.len);
1291                                 i += svf_para.sdr_para.len;
1292                                 buf_set_buf(svf_para.tdr_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.tdr_para.len);
1293                                 i += svf_para.tdr_para.len;
1294
1295                                 svf_add_check_para(1, svf_buffer_index, i);
1296                         }
1297                         else
1298                         {
1299                                 svf_add_check_para(0, svf_buffer_index, i);
1300                         }
1301                         field.num_bits = i;
1302                         field.out_value = &svf_tdi_buffer[svf_buffer_index];
1303                         field.in_value = &svf_tdi_buffer[svf_buffer_index];
1304                         if (!svf_nil)
1305                         {
1306                                 /* NOTE:  doesn't use SVF-specified state paths */
1307                                 jtag_add_plain_dr_scan(field.num_bits, field.out_value, field.in_value, svf_para.dr_end_state);
1308                         }
1309
1310                         svf_buffer_index += (i + 7) >> 3;
1311                 }
1312                 else if (SIR == command)
1313                 {
1314                         // check buffer size first, reallocate if necessary
1315                         i = svf_para.hir_para.len + svf_para.sir_para.len + svf_para.tir_para.len;
1316                         if ((svf_buffer_size - svf_buffer_index) < ((i + 7) >> 3))
1317                         {
1318 #if 1
1319                                 // simply print error message
1320                                 LOG_ERROR("buffer is not enough, report to author");
1321                                 return ERROR_FAIL;
1322 #else
1323                                 uint8_t *buffer_tmp;
1324
1325                                 // reallocate buffer
1326                                 buffer_tmp = (uint8_t *)malloc(svf_buffer_index + ((i + 7) >> 3));
1327                                 if (NULL == buffer_tmp)
1328                                 {
1329                                         LOG_ERROR("not enough memory");
1330                                         return ERROR_FAIL;
1331                                 }
1332                                 memcpy(buffer_tmp, svf_tdi_buffer, svf_buffer_index);
1333                                 // svf_tdi_buffer isn't NULL here
1334                                 free(svf_tdi_buffer);
1335                                 svf_tdi_buffer = buffer_tmp;
1336
1337                                 buffer_tmp = (uint8_t *)malloc(svf_buffer_index + ((i + 7) >> 3));
1338                                 if (NULL == buffer_tmp)
1339                                 {
1340                                         LOG_ERROR("not enough memory");
1341                                         return ERROR_FAIL;
1342                                 }
1343                                 memcpy(buffer_tmp, svf_tdo_buffer, svf_buffer_index);
1344                                 // svf_tdo_buffer isn't NULL here
1345                                 free(svf_tdo_buffer);
1346                                 svf_tdo_buffer = buffer_tmp;
1347
1348                                 buffer_tmp = (uint8_t *)malloc(svf_buffer_index + ((i + 7) >> 3));
1349                                 if (NULL == buffer_tmp)
1350                                 {
1351                                         LOG_ERROR("not enough memory");
1352                                         return ERROR_FAIL;
1353                                 }
1354                                 memcpy(buffer_tmp, svf_mask_buffer, svf_buffer_index);
1355                                 // svf_mask_buffer isn't NULL here
1356                                 free(svf_mask_buffer);
1357                                 svf_mask_buffer = buffer_tmp;
1358
1359                                 buffer_tmp = NULL;
1360                                 svf_buffer_size = svf_buffer_index + ((i + 7) >> 3);
1361 #endif
1362                         }
1363
1364                         // assemble ir data
1365                         i = 0;
1366                         buf_set_buf(svf_para.hir_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.hir_para.len);
1367                         i += svf_para.hir_para.len;
1368                         buf_set_buf(svf_para.sir_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.sir_para.len);
1369                         i += svf_para.sir_para.len;
1370                         buf_set_buf(svf_para.tir_para.tdi, 0, &svf_tdi_buffer[svf_buffer_index], i, svf_para.tir_para.len);
1371                         i += svf_para.tir_para.len;
1372
1373                         // add check data
1374                         if (svf_para.sir_para.data_mask & XXR_TDO)
1375                         {
1376                                 // assemble dr mask data
1377                                 i = 0;
1378                                 buf_set_buf(svf_para.hir_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.hir_para.len);
1379                                 i += svf_para.hir_para.len;
1380                                 buf_set_buf(svf_para.sir_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.sir_para.len);
1381                                 i += svf_para.sir_para.len;
1382                                 buf_set_buf(svf_para.tir_para.mask, 0, &svf_mask_buffer[svf_buffer_index], i, svf_para.tir_para.len);
1383                                 i += svf_para.tir_para.len;
1384                                 // assemble dr check data
1385                                 i = 0;
1386                                 buf_set_buf(svf_para.hir_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.hir_para.len);
1387                                 i += svf_para.hir_para.len;
1388                                 buf_set_buf(svf_para.sir_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.sir_para.len);
1389                                 i += svf_para.sir_para.len;
1390                                 buf_set_buf(svf_para.tir_para.tdo, 0, &svf_tdo_buffer[svf_buffer_index], i, svf_para.tir_para.len);
1391                                 i += svf_para.tir_para.len;
1392
1393                                 svf_add_check_para(1, svf_buffer_index, i);
1394                         }
1395                         else
1396                         {
1397                                 svf_add_check_para(0, svf_buffer_index, i);
1398                         }
1399                         field.num_bits = i;
1400                         field.out_value = &svf_tdi_buffer[svf_buffer_index];
1401                         field.in_value = &svf_tdi_buffer[svf_buffer_index];
1402                         if (!svf_nil)
1403                         {
1404                                 /* NOTE:  doesn't use SVF-specified state paths */
1405                                 jtag_add_plain_ir_scan(field.num_bits, field.out_value, field.in_value,
1406                                                 svf_para.ir_end_state);
1407                         }
1408
1409                         svf_buffer_index += (i + 7) >> 3;
1410                 }
1411                 break;
1412         case PIO:
1413         case PIOMAP:
1414                 LOG_ERROR("PIO and PIOMAP are not supported");
1415                 return ERROR_FAIL;
1416                 break;
1417         case RUNTEST:
1418                 // RUNTEST [run_state] run_count run_clk [min_time SEC [MAXIMUM max_time SEC]] [ENDSTATE end_state]
1419                 // RUNTEST [run_state] min_time SEC [MAXIMUM max_time SEC] [ENDSTATE end_state]
1420                 if ((num_of_argu < 3) && (num_of_argu > 11))
1421                 {
1422                         LOG_ERROR("invalid parameter of %s", argus[0]);
1423                         return ERROR_FAIL;
1424                 }
1425                 // init
1426                 run_count = 0;
1427                 min_time = 0;
1428                 max_time = 0;
1429                 i = 1;
1430
1431                 // run_state
1432                 i_tmp = tap_state_by_name(argus[i]);
1433                 if (i_tmp != TAP_INVALID)
1434                 {
1435                         if (svf_tap_state_is_stable(i_tmp))
1436                         {
1437                                 svf_para.runtest_run_state = i_tmp;
1438
1439                                 /* When a run_state is specified, the new
1440                                  * run_state becomes the default end_state.
1441                                  */
1442                                 svf_para.runtest_end_state = i_tmp;
1443                                 LOG_DEBUG("\trun_state = %s",
1444                                                 tap_state_name(i_tmp));
1445                                 i++;
1446                         }
1447                         else
1448                         {
1449                                 LOG_ERROR("%s: %s is not a stable state",
1450                                         argus[0], tap_state_name(i_tmp));
1451                                 return ERROR_FAIL;
1452                         }
1453                 }
1454
1455                 // run_count run_clk
1456                 if (((i + 2) <= num_of_argu) && strcmp(argus[i + 1], "SEC"))
1457                 {
1458                         if (!strcmp(argus[i + 1], "TCK"))
1459                         {
1460                                 // clock source is TCK
1461                                 run_count = atoi(argus[i]);
1462                                 LOG_DEBUG("\trun_count@TCK = %d", run_count);
1463                         }
1464                         else
1465                         {
1466                                 LOG_ERROR("%s not supported for clock", argus[i + 1]);
1467                                 return ERROR_FAIL;
1468                         }
1469                         i += 2;
1470                 }
1471                 // min_time SEC
1472                 if (((i + 2) <= num_of_argu) && !strcmp(argus[i + 1], "SEC"))
1473                 {
1474                         min_time = atof(argus[i]);
1475                         LOG_DEBUG("\tmin_time = %fs", min_time);
1476                         i += 2;
1477                 }
1478                 // MAXIMUM max_time SEC
1479                 if (((i + 3) <= num_of_argu) && !strcmp(argus[i], "MAXIMUM") && !strcmp(argus[i + 2], "SEC"))
1480                 {
1481                         max_time = atof(argus[i + 1]);
1482                         LOG_DEBUG("\tmax_time = %fs", max_time);
1483                         i += 3;
1484                 }
1485                 // ENDSTATE end_state
1486                 if (((i + 2) <= num_of_argu) && !strcmp(argus[i], "ENDSTATE"))
1487                 {
1488                         i_tmp = tap_state_by_name(argus[i + 1]);
1489
1490                         if (svf_tap_state_is_stable(i_tmp))
1491                         {
1492                                 svf_para.runtest_end_state = i_tmp;
1493                                 LOG_DEBUG("\tend_state = %s",
1494                                         tap_state_name(i_tmp));
1495                         }
1496                         else
1497                         {
1498                                 LOG_ERROR("%s: %s is not a stable state",
1499                                         argus[0], tap_state_name(i_tmp));
1500                                 return ERROR_FAIL;
1501                         }
1502                         i += 2;
1503                 }
1504
1505                 // all parameter should be parsed
1506                 if (i == num_of_argu)
1507                 {
1508 #if 1
1509                         /* FIXME handle statemove failures */
1510                         int retval;
1511                         uint32_t min_usec = 1000000 * min_time;
1512
1513                         // enter into run_state if necessary
1514                         if (cmd_queue_cur_state != svf_para.runtest_run_state)
1515                         {
1516                                 retval = svf_add_statemove(svf_para.runtest_run_state);
1517                         }
1518
1519                         // add clocks and/or min wait
1520                         if (run_count > 0) {
1521                                 if (!svf_nil)
1522                                         jtag_add_clocks(run_count);
1523                         }
1524
1525                         if (min_usec > 0) {
1526                                 if (!svf_nil)
1527                                         jtag_add_sleep(min_usec);
1528                         }
1529
1530                         // move to end_state if necessary
1531                         if (svf_para.runtest_end_state != svf_para.runtest_run_state)
1532                         {
1533                                 retval = svf_add_statemove(svf_para.runtest_end_state);
1534                         }
1535 #else
1536                         if (svf_para.runtest_run_state != TAP_IDLE)
1537                         {
1538                                 LOG_ERROR("cannot runtest in %s state",
1539                                         tap_state_name(svf_para.runtest_run_state));
1540                                 return ERROR_FAIL;
1541                         }
1542
1543                         if (!svf_nil)
1544                                 jtag_add_runtest(run_count, svf_para.runtest_end_state);
1545 #endif
1546                 }
1547                 else
1548                 {
1549                         LOG_ERROR("fail to parse parameter of RUNTEST, %d out of %d is parsed", i, num_of_argu);
1550                         return ERROR_FAIL;
1551                 }
1552                 break;
1553         case STATE:
1554                 // STATE [pathstate1 [pathstate2 ...[pathstaten]]] stable_state
1555                 if (num_of_argu < 2)
1556                 {
1557                         LOG_ERROR("invalid parameter of %s", argus[0]);
1558                         return ERROR_FAIL;
1559                 }
1560                 if (num_of_argu > 2)
1561                 {
1562                         // STATE pathstate1 ... stable_state
1563                         path = (tap_state_t *)malloc((num_of_argu - 1) * sizeof(tap_state_t));
1564                         if (NULL == path)
1565                         {
1566                                 LOG_ERROR("not enough memory");
1567                                 return ERROR_FAIL;
1568                         }
1569                         num_of_argu--;          // num of path
1570                         i_tmp = 1;              /* path is from parameter 1 */
1571                         for (i = 0; i < num_of_argu; i++, i_tmp++)
1572                         {
1573                                 path[i] = tap_state_by_name(argus[i_tmp]);
1574                                 if (path[i] == TAP_INVALID)
1575                                 {
1576                                         LOG_ERROR("%s: %s is not a valid state",
1577                                                 argus[0], argus[i_tmp]);
1578                                         free(path);
1579                                         return ERROR_FAIL;
1580                                 }
1581                                 /* OpenOCD refuses paths containing TAP_RESET */
1582                                 if (TAP_RESET == path[i])
1583                                 {
1584                                         /* FIXME last state MUST be stable! */
1585                                         if (i > 0)
1586                                         {
1587                                                 if (!svf_nil)
1588                                                         jtag_add_pathmove(i, path);
1589                                         }
1590                                         if (!svf_nil)
1591                                                 jtag_add_tlr();
1592                                         num_of_argu -= i + 1;
1593                                         i = -1;
1594                                 }
1595                         }
1596                         if (num_of_argu > 0)
1597                         {
1598                                 // execute last path if necessary
1599                                 if (svf_tap_state_is_stable(path[num_of_argu - 1]))
1600                                 {
1601                                         // last state MUST be stable state
1602                                         if (!svf_nil)
1603                                                 jtag_add_pathmove(num_of_argu, path);
1604                                         LOG_DEBUG("\tmove to %s by path_move",
1605                                                 tap_state_name(path[num_of_argu - 1]));
1606                                 }
1607                                 else
1608                                 {
1609                                         LOG_ERROR("%s: %s is not a stable state",
1610                                                 argus[0],
1611                                                 tap_state_name(path[num_of_argu - 1]));
1612                                         free(path);
1613                                         return ERROR_FAIL;
1614                                 }
1615                         }
1616
1617                         free(path);
1618                         path = NULL;
1619                 }
1620                 else
1621                 {
1622                         // STATE stable_state
1623                         state = tap_state_by_name(argus[1]);
1624                         if (svf_tap_state_is_stable(state))
1625                         {
1626                                 LOG_DEBUG("\tmove to %s by svf_add_statemove",
1627                                                 tap_state_name(state));
1628                                 /* FIXME handle statemove failures */
1629                                 svf_add_statemove(state);
1630                         }
1631                         else
1632                         {
1633                                 LOG_ERROR("%s: %s is not a stable state",
1634                                         argus[0], tap_state_name(state));
1635                                 return ERROR_FAIL;
1636                         }
1637                 }
1638                 break;
1639         case TRST:
1640                 // TRST trst_mode
1641                 if (num_of_argu != 2)
1642                 {
1643                         LOG_ERROR("invalid parameter of %s", argus[0]);
1644                         return ERROR_FAIL;
1645                 }
1646                 if (svf_para.trst_mode != TRST_ABSENT)
1647                 {
1648                         if (ERROR_OK != svf_execute_tap())
1649                         {
1650                                 return ERROR_FAIL;
1651                         }
1652                         i_tmp = svf_find_string_in_array(argus[1],
1653                                         (char **)svf_trst_mode_name,
1654                                         ARRAY_SIZE(svf_trst_mode_name));
1655                         switch (i_tmp)
1656                         {
1657                         case TRST_ON:
1658                                 if (!svf_nil)
1659                                         jtag_add_reset(1, 0);
1660                                 break;
1661                         case TRST_Z:
1662                         case TRST_OFF:
1663                                 if (!svf_nil)
1664                                         jtag_add_reset(0, 0);
1665                                 break;
1666                         case TRST_ABSENT:
1667                                 break;
1668                         default:
1669                                 LOG_ERROR("unknown TRST mode: %s", argus[1]);
1670                                 return ERROR_FAIL;
1671                         }
1672                         svf_para.trst_mode = i_tmp;
1673                         LOG_DEBUG("\ttrst_mode = %s", svf_trst_mode_name[svf_para.trst_mode]);
1674                 }
1675                 else
1676                 {
1677                         LOG_ERROR("can not accpet TRST command if trst_mode is ABSENT");
1678                         return ERROR_FAIL;
1679                 }
1680                 break;
1681         default:
1682                 LOG_ERROR("invalid svf command: %s", argus[0]);
1683                 return ERROR_FAIL;
1684                 break;
1685         }
1686
1687         if (!svf_quiet)
1688         {
1689                 if (padding_command_skipped)
1690                 {
1691                         LOG_USER("(Above Padding command skipped, as per -tap argument)");
1692                 }
1693         }
1694
1695         if (debug_level >= LOG_LVL_DEBUG)
1696         {
1697                 // for convenient debugging, execute tap if possible
1698                 if ((svf_buffer_index > 0) && \
1699                         (((command != STATE) && (command != RUNTEST)) || \
1700                         ((command == STATE) && (num_of_argu == 2))))
1701                 {
1702                         if (ERROR_OK != svf_execute_tap())
1703                         {
1704                                 return ERROR_FAIL;
1705                         }
1706
1707                         // output debug info
1708                         if ((SIR == command) || (SDR == command))
1709                         {
1710                                 int read_value;
1711                                 memcpy(&read_value, svf_tdi_buffer, sizeof(int));
1712                                 // in debug mode, data is from index 0
1713                                 int read_mask = svf_get_mask_u32(svf_check_tdo_para[0].bit_len);
1714                                 LOG_DEBUG("\tTDO read = 0x%X", read_value & read_mask);
1715                         }
1716                 }
1717         }
1718         else
1719         {
1720                 // for fast executing, execute tap if necessary
1721                 // half of the buffer is for the next command
1722                 if (((svf_buffer_index >= SVF_MAX_BUFFER_SIZE_TO_COMMIT) || (svf_check_tdo_para_index >= SVF_CHECK_TDO_PARA_SIZE / 2)) && \
1723                         (((command != STATE) && (command != RUNTEST)) || \
1724                         ((command == STATE) && (num_of_argu == 2))))
1725                 {
1726                         return svf_execute_tap();
1727                 }
1728         }
1729
1730         return ERROR_OK;
1731 }
1732
1733 static const struct command_registration svf_command_handlers[] = {
1734         {
1735                 .name = "svf",
1736                 .handler = handle_svf_command,
1737                 .mode = COMMAND_EXEC,
1738                 .help = "Runs a SVF file.",
1739                 .usage = "svf [-tap device.tap] <file> [quiet] [nil] [progress]",
1740         },
1741         COMMAND_REGISTRATION_DONE
1742 };
1743
1744 int svf_register_commands(struct command_context *cmd_ctx)
1745 {
1746         return register_commands(cmd_ctx, NULL, svf_command_handlers);
1747 }