git.gag.com Git - fw/openocd/blob - src/target/target.c

   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   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     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #include "replacements.h"
  25 #include "target.h"
  26 #include "target_request.h"
  27
  28 #include "log.h"
  29 #include "configuration.h"
  30 #include "binarybuffer.h"
  31 #include "jtag.h"
  32
  33 #include <string.h>
  34 #include <stdlib.h>
  35 #include <inttypes.h>
  36
  37 #include <sys/types.h>
  38 #include <sys/stat.h>
  39 #include <unistd.h>
  40 #include <errno.h>
  41
  42 #include <sys/time.h>
  43 #include <time.h>
  44
  45 #include <time_support.h>
  46
  47 #include <fileio.h>
  48 #include <image.h>
  49
  50 int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
  51
  52
  53 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  54 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  55 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  56
  57 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  58 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  59 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  60
  61 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  62 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  63 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  64 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  65 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  66 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  67 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  68 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  69 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  70 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  71 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  72 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  73 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  74 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  75 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  76 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  77 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  78 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
  79
  80 /* targets
  81  */
  82 extern target_type_t arm7tdmi_target;
  83 extern target_type_t arm720t_target;
  84 extern target_type_t arm9tdmi_target;
  85 extern target_type_t arm920t_target;
  86 extern target_type_t arm966e_target;
  87 extern target_type_t arm926ejs_target;
  88 extern target_type_t feroceon_target;
  89 extern target_type_t xscale_target;
  90 extern target_type_t cortexm3_target;
  91
  92 target_type_t *target_types[] =
  93 {
  94         &arm7tdmi_target,
  95         &arm9tdmi_target,
  96         &arm920t_target,
  97         &arm720t_target,
  98         &arm966e_target,
  99         &arm926ejs_target,
 100         &feroceon_target,
 101         &xscale_target,
 102         &cortexm3_target,
 103         NULL,
 104 };
 105
 106 target_t *targets = NULL;
 107 target_event_callback_t *target_event_callbacks = NULL;
 108 target_timer_callback_t *target_timer_callbacks = NULL;
 109
 110 char *target_state_strings[] =
 111 {
 112         "unknown",
 113         "running",
 114         "halted",
 115         "reset",
 116         "debug_running",
 117 };
 118
 119 char *target_debug_reason_strings[] =
 120 {
 121         "debug request", "breakpoint", "watchpoint",
 122         "watchpoint and breakpoint", "single step",
 123         "target not halted"
 124 };
 125
 126 char *target_endianess_strings[] =
 127 {
 128         "big endian",
 129         "little endian",
 130 };
 131
 132 enum daemon_startup_mode startup_mode = DAEMON_ATTACH;
 133
 134 static int target_continous_poll = 1;
 135
 136 /* read a u32 from a buffer in target memory endianness */
 137 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
 138 {
 139         if (target->endianness == TARGET_LITTLE_ENDIAN)
 140                 return le_to_h_u32(buffer);
 141         else
 142                 return be_to_h_u32(buffer);
 143 }
 144
 145 /* read a u16 from a buffer in target memory endianness */
 146 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
 147 {
 148         if (target->endianness == TARGET_LITTLE_ENDIAN)
 149                 return le_to_h_u16(buffer);
 150         else
 151                 return be_to_h_u16(buffer);
 152 }
 153
 154 /* write a u32 to a buffer in target memory endianness */
 155 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
 156 {
 157         if (target->endianness == TARGET_LITTLE_ENDIAN)
 158                 h_u32_to_le(buffer, value);
 159         else
 160                 h_u32_to_be(buffer, value);
 161 }
 162
 163 /* write a u16 to a buffer in target memory endianness */
 164 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
 165 {
 166         if (target->endianness == TARGET_LITTLE_ENDIAN)
 167                 h_u16_to_le(buffer, value);
 168         else
 169                 h_u16_to_be(buffer, value);
 170 }
 171
 172 /* returns a pointer to the n-th configured target */
 173 target_t* get_target_by_num(int num)
 174 {
 175         target_t *target = targets;
 176         int i = 0;
 177
 178         while (target)
 179         {
 180                 if (num == i)
 181                         return target;
 182                 target = target->next;
 183                 i++;
 184         }
 185
 186         return NULL;
 187 }
 188
 189 int get_num_by_target(target_t *query_target)
 190 {
 191         target_t *target = targets;
 192         int i = 0;
 193
 194         while (target)
 195         {
 196                 if (target == query_target)
 197                         return i;
 198                 target = target->next;
 199                 i++;
 200         }
 201
 202         return -1;
 203 }
 204
 205 target_t* get_current_target(command_context_t *cmd_ctx)
 206 {
 207         target_t *target = get_target_by_num(cmd_ctx->current_target);
 208
 209         if (target == NULL)
 210         {
 211                 ERROR("BUG: current_target out of bounds");
 212                 exit(-1);
 213         }
 214
 215         return target;
 216 }
 217
 218 /* Process target initialization, when target entered debug out of reset
 219  * the handler is unregistered at the end of this function, so it's only called once
 220  */
 221 int target_init_handler(struct target_s *target, enum target_event event, void *priv)
 222 {
 223         FILE *script;
 224         struct command_context_s *cmd_ctx = priv;
 225
 226         if ((event == TARGET_EVENT_HALTED) && (target->reset_script))
 227         {
 228                 target_unregister_event_callback(target_init_handler, priv);
 229
 230                 script = open_file_from_path(cmd_ctx, target->reset_script, "r");
 231                 if (!script)
 232                 {
 233                         ERROR("couldn't open script file %s", target->reset_script);
 234                                 return ERROR_OK;
 235                 }
 236
 237                 INFO("executing reset script '%s'", target->reset_script);
 238                 command_run_file(cmd_ctx, script, COMMAND_EXEC);
 239                 fclose(script);
 240
 241                 jtag_execute_queue();
 242         }
 243
 244         return ERROR_OK;
 245 }
 246
 247 int target_run_and_halt_handler(void *priv)
 248 {
 249         target_t *target = priv;
 250
 251         target->type->halt(target);
 252
 253         return ERROR_OK;
 254 }
 255
 256 int target_process_reset(struct command_context_s *cmd_ctx)
 257 {
 258         int retval = ERROR_OK;
 259         target_t *target;
 260         struct timeval timeout, now;
 261
 262         /* prepare reset_halt where necessary */
 263         target = targets;
 264         while (target)
 265         {
 266                 if (jtag_reset_config & RESET_SRST_PULLS_TRST)
 267                 {
 268                         switch (target->reset_mode)
 269                         {
 270                                 case RESET_HALT:
 271                                         command_print(cmd_ctx, "nSRST pulls nTRST, falling back to RESET_RUN_AND_HALT");
 272                                         target->reset_mode = RESET_RUN_AND_HALT;
 273                                         break;
 274                                 case RESET_INIT:
 275                                         command_print(cmd_ctx, "nSRST pulls nTRST, falling back to RESET_RUN_AND_INIT");
 276                                         target->reset_mode = RESET_RUN_AND_INIT;
 277                                         break;
 278                                 default:
 279                                         break;
 280                         }
 281                 }
 282                 switch (target->reset_mode)
 283                 {
 284                         case RESET_HALT:
 285                         case RESET_INIT:
 286                                 target->type->prepare_reset_halt(target);
 287                                 break;
 288                         default:
 289                                 break;
 290                 }
 291                 target = target->next;
 292         }
 293
 294         target = targets;
 295         while (target)
 296         {
 297                 target->type->assert_reset(target);
 298                 target = target->next;
 299         }
 300         jtag_execute_queue();
 301
 302         /* request target halt if necessary, and schedule further action */
 303         target = targets;
 304         while (target)
 305         {
 306                 switch (target->reset_mode)
 307                 {
 308                         case RESET_RUN:
 309                                 /* nothing to do if target just wants to be run */
 310                                 break;
 311                         case RESET_RUN_AND_HALT:
 312                                 /* schedule halt */
 313                                 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
 314                                 break;
 315                         case RESET_RUN_AND_INIT:
 316                                 /* schedule halt */
 317                                 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
 318                                 target_register_event_callback(target_init_handler, cmd_ctx);
 319                                 break;
 320                         case RESET_HALT:
 321                                 target->type->halt(target);
 322                                 break;
 323                         case RESET_INIT:
 324                                 target->type->halt(target);
 325                                 target_register_event_callback(target_init_handler, cmd_ctx);
 326                                 break;
 327                         default:
 328                                 ERROR("BUG: unknown target->reset_mode");
 329                 }
 330                 target = target->next;
 331         }
 332
 333         target = targets;
 334         while (target)
 335         {
 336                 target->type->deassert_reset(target);
 337                 target = target->next;
 338         }
 339         jtag_execute_queue();
 340
 341         /* Wait for reset to complete, maximum 5 seconds. */
 342         gettimeofday(&timeout, NULL);
 343         timeval_add_time(&timeout, 5, 0);
 344         for(;;)
 345         {
 346                 gettimeofday(&now, NULL);
 347
 348                 target_call_timer_callbacks();
 349
 350                 target = targets;
 351                 while (target)
 352                 {
 353                         target->type->poll(target);
 354                         if ((target->reset_mode == RESET_RUN_AND_INIT) || (target->reset_mode == RESET_RUN_AND_HALT))
 355                         {
 356                                 if (target->state != TARGET_HALTED)
 357                                 {
 358                                         if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
 359                                         {
 360                                                 command_print(cmd_ctx, "Timed out waiting for reset");
 361                                                 goto done;
 362                                         }
 363                                         usleep(100*1000); /* Do not eat all cpu */
 364                                         goto again;
 365                                 }
 366                         }
 367                         target = target->next;
 368                 }
 369                 /* All targets we're waiting for are halted */
 370                 break;
 371
 372                 again:;
 373         }
 374         done:
 375
 376
 377         /* We want any events to be processed before the prompt */
 378         target_call_timer_callbacks();
 379
 380         return retval;
 381 }
 382
 383 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
 384 {
 385         *physical = virtual;
 386         return ERROR_OK;
 387 }
 388
 389 static int default_mmu(struct target_s *target, int *enabled)
 390 {
 391         *enabled = 0;
 392         return ERROR_OK;
 393 }
 394
 395 int target_init(struct command_context_s *cmd_ctx)
 396 {
 397         target_t *target = targets;
 398
 399         while (target)
 400         {
 401                 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
 402                 {
 403                         ERROR("target '%s' init failed", target->type->name);
 404                         exit(-1);
 405                 }
 406
 407                 /* Set up default functions if none are provided by target */
 408                 if (target->type->virt2phys == NULL)
 409                 {
 410                         target->type->virt2phys = default_virt2phys;
 411                 }
 412                 if (target->type->mmu == NULL)
 413                 {
 414                         target->type->mmu = default_mmu;
 415                 }
 416                 target = target->next;
 417         }
 418
 419         if (targets)
 420         {
 421                 target_register_user_commands(cmd_ctx);
 422                 target_register_timer_callback(handle_target, 100, 1, NULL);
 423         }
 424
 425         return ERROR_OK;
 426 }
 427
 428 int target_init_reset(struct command_context_s *cmd_ctx)
 429 {
 430         if (startup_mode == DAEMON_RESET)
 431                 target_process_reset(cmd_ctx);
 432
 433         return ERROR_OK;
 434 }
 435
 436 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 437 {
 438         target_event_callback_t **callbacks_p = &target_event_callbacks;
 439
 440         if (callback == NULL)
 441         {
 442                 return ERROR_INVALID_ARGUMENTS;
 443         }
 444
 445         if (*callbacks_p)
 446         {
 447                 while ((*callbacks_p)->next)
 448                         callbacks_p = &((*callbacks_p)->next);
 449                 callbacks_p = &((*callbacks_p)->next);
 450         }
 451
 452         (*callbacks_p) = malloc(sizeof(target_event_callback_t));
 453         (*callbacks_p)->callback = callback;
 454         (*callbacks_p)->priv = priv;
 455         (*callbacks_p)->next = NULL;
 456
 457         return ERROR_OK;
 458 }
 459
 460 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
 461 {
 462         target_timer_callback_t **callbacks_p = &target_timer_callbacks;
 463         struct timeval now;
 464
 465         if (callback == NULL)
 466         {
 467                 return ERROR_INVALID_ARGUMENTS;
 468         }
 469
 470         if (*callbacks_p)
 471         {
 472                 while ((*callbacks_p)->next)
 473                         callbacks_p = &((*callbacks_p)->next);
 474                 callbacks_p = &((*callbacks_p)->next);
 475         }
 476
 477         (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
 478         (*callbacks_p)->callback = callback;
 479         (*callbacks_p)->periodic = periodic;
 480         (*callbacks_p)->time_ms = time_ms;
 481
 482         gettimeofday(&now, NULL);
 483         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 484         time_ms -= (time_ms % 1000);
 485         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
 486         if ((*callbacks_p)->when.tv_usec > 1000000)
 487         {
 488                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
 489                 (*callbacks_p)->when.tv_sec += 1;
 490         }
 491
 492         (*callbacks_p)->priv = priv;
 493         (*callbacks_p)->next = NULL;
 494
 495         return ERROR_OK;
 496 }
 497
 498 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 499 {
 500         target_event_callback_t **p = &target_event_callbacks;
 501         target_event_callback_t *c = target_event_callbacks;
 502
 503         if (callback == NULL)
 504         {
 505                 return ERROR_INVALID_ARGUMENTS;
 506         }
 507
 508         while (c)
 509         {
 510                 target_event_callback_t *next = c->next;
 511                 if ((c->callback == callback) && (c->priv == priv))
 512                 {
 513                         *p = next;
 514                         free(c);
 515                         return ERROR_OK;
 516                 }
 517                 else
 518                         p = &(c->next);
 519                 c = next;
 520         }
 521
 522         return ERROR_OK;
 523 }
 524
 525 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
 526 {
 527         target_timer_callback_t **p = &target_timer_callbacks;
 528         target_timer_callback_t *c = target_timer_callbacks;
 529
 530         if (callback == NULL)
 531         {
 532                 return ERROR_INVALID_ARGUMENTS;
 533         }
 534
 535         while (c)
 536         {
 537                 target_timer_callback_t *next = c->next;
 538                 if ((c->callback == callback) && (c->priv == priv))
 539                 {
 540                         *p = next;
 541                         free(c);
 542                         return ERROR_OK;
 543                 }
 544                 else
 545                         p = &(c->next);
 546                 c = next;
 547         }
 548
 549         return ERROR_OK;
 550 }
 551
 552 int target_call_event_callbacks(target_t *target, enum target_event event)
 553 {
 554         target_event_callback_t *callback = target_event_callbacks;
 555         target_event_callback_t *next_callback;
 556
 557         DEBUG("target event %i", event);
 558
 559         while (callback)
 560         {
 561                 next_callback = callback->next;
 562                 callback->callback(target, event, callback->priv);
 563                 callback = next_callback;
 564         }
 565
 566         return ERROR_OK;
 567 }
 568
 569 int target_call_timer_callbacks()
 570 {
 571         target_timer_callback_t *callback = target_timer_callbacks;
 572         target_timer_callback_t *next_callback;
 573         struct timeval now;
 574
 575         gettimeofday(&now, NULL);
 576
 577         while (callback)
 578         {
 579                 next_callback = callback->next;
 580
 581                 if (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
 582                         || (now.tv_sec > callback->when.tv_sec))
 583                 {
 584                         callback->callback(callback->priv);
 585                         if (callback->periodic)
 586                         {
 587                                 int time_ms = callback->time_ms;
 588                                 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 589                                 time_ms -= (time_ms % 1000);
 590                                 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
 591                                 if (callback->when.tv_usec > 1000000)
 592                                 {
 593                                         callback->when.tv_usec = callback->when.tv_usec - 1000000;
 594                                         callback->when.tv_sec += 1;
 595                                 }
 596                         }
 597                         else
 598                                 target_unregister_timer_callback(callback->callback, callback->priv);
 599                 }
 600
 601                 callback = next_callback;
 602         }
 603
 604         return ERROR_OK;
 605 }
 606
 607 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
 608 {
 609         working_area_t *c = target->working_areas;
 610         working_area_t *new_wa = NULL;
 611
 612         /* Reevaluate working area address based on MMU state*/
 613         if (target->working_areas == NULL)
 614         {
 615                 int retval;
 616                 int enabled;
 617                 retval = target->type->mmu(target, &enabled);
 618                 if (retval != ERROR_OK)
 619                 {
 620                         return retval;
 621                 }
 622                 if (enabled)
 623                 {
 624                         target->working_area = target->working_area_virt;
 625                 }
 626                 else
 627                 {
 628                         target->working_area = target->working_area_phys;
 629                 }
 630         }
 631
 632         /* only allocate multiples of 4 byte */
 633         if (size % 4)
 634         {
 635                 ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
 636                 size = CEIL(size, 4);
 637         }
 638
 639         /* see if there's already a matching working area */
 640         while (c)
 641         {
 642                 if ((c->free) && (c->size == size))
 643                 {
 644                         new_wa = c;
 645                         break;
 646                 }
 647                 c = c->next;
 648         }
 649
 650         /* if not, allocate a new one */
 651         if (!new_wa)
 652         {
 653                 working_area_t **p = &target->working_areas;
 654                 u32 first_free = target->working_area;
 655                 u32 free_size = target->working_area_size;
 656
 657                 DEBUG("allocating new working area");
 658
 659                 c = target->working_areas;
 660                 while (c)
 661                 {
 662                         first_free += c->size;
 663                         free_size -= c->size;
 664                         p = &c->next;
 665                         c = c->next;
 666                 }
 667
 668                 if (free_size < size)
 669                 {
 670                         WARNING("not enough working area available(requested %d, free %d)", size, free_size);
 671                         return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
 672                 }
 673
 674                 new_wa = malloc(sizeof(working_area_t));
 675                 new_wa->next = NULL;
 676                 new_wa->size = size;
 677                 new_wa->address = first_free;
 678
 679                 if (target->backup_working_area)
 680                 {
 681                         new_wa->backup = malloc(new_wa->size);
 682                         target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
 683                 }
 684                 else
 685                 {
 686                         new_wa->backup = NULL;
 687                 }
 688
 689                 /* put new entry in list */
 690                 *p = new_wa;
 691         }
 692
 693         /* mark as used, and return the new (reused) area */
 694         new_wa->free = 0;
 695         *area = new_wa;
 696
 697         /* user pointer */
 698         new_wa->user = area;
 699
 700         return ERROR_OK;
 701 }
 702
 703 int target_free_working_area(struct target_s *target, working_area_t *area)
 704 {
 705         if (area->free)
 706                 return ERROR_OK;
 707
 708         if (target->backup_working_area)
 709                 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
 710
 711         area->free = 1;
 712
 713         /* mark user pointer invalid */
 714         *area->user = NULL;
 715         area->user = NULL;
 716
 717         return ERROR_OK;
 718 }
 719
 720 int target_free_all_working_areas(struct target_s *target)
 721 {
 722         working_area_t *c = target->working_areas;
 723
 724         while (c)
 725         {
 726                 working_area_t *next = c->next;
 727                 target_free_working_area(target, c);
 728
 729                 if (c->backup)
 730                         free(c->backup);
 731
 732                 free(c);
 733
 734                 c = next;
 735         }
 736
 737         target->working_areas = NULL;
 738
 739         return ERROR_OK;
 740 }
 741
 742 int target_register_commands(struct command_context_s *cmd_ctx)
 743 {
 744         register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, NULL);
 745         register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
 746         register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG, NULL);
 747         register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
 748         register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, NULL);
 749         register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, "working_area <target#> <address> <size> <'backup'|'nobackup'> [virtual address]");
 750         register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "virt2phys <virtual address>");
 751
 752         return ERROR_OK;
 753 }
 754
 755 int target_arch_state(struct target_s *target)
 756 {
 757         int retval;
 758         if (target==NULL)
 759         {
 760                 USER("No target has been configured");
 761                 return ERROR_OK;
 762         }
 763
 764         USER("target state: %s", target_state_strings[target->state]);
 765
 766         if (target->state!=TARGET_HALTED)
 767                 return ERROR_OK;
 768
 769         retval=target->type->arch_state(target);
 770         return retval;
 771 }
 772
 773 /* Single aligned words are guaranteed to use 16 or 32 bit access
 774  * mode respectively, otherwise data is handled as quickly as
 775  * possible
 776  */
 777 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
 778 {
 779         int retval;
 780
 781         DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
 782
 783         if (((address % 2) == 0) && (size == 2))
 784         {
 785                 return target->type->write_memory(target, address, 2, 1, buffer);
 786         }
 787
 788         /* handle unaligned head bytes */
 789         if (address % 4)
 790         {
 791                 int unaligned = 4 - (address % 4);
 792
 793                 if (unaligned > size)
 794                         unaligned = size;
 795
 796                 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
 797                         return retval;
 798
 799                 buffer += unaligned;
 800                 address += unaligned;
 801                 size -= unaligned;
 802         }
 803
 804         /* handle aligned words */
 805         if (size >= 4)
 806         {
 807                 int aligned = size - (size % 4);
 808
 809                 /* use bulk writes above a certain limit. This may have to be changed */
 810                 if (aligned > 128)
 811                 {
 812                         if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
 813                                 return retval;
 814                 }
 815                 else
 816                 {
 817                         if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
 818                                 return retval;
 819                 }
 820
 821                 buffer += aligned;
 822                 address += aligned;
 823                 size -= aligned;
 824         }
 825
 826         /* handle tail writes of less than 4 bytes */
 827         if (size > 0)
 828         {
 829                 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
 830                         return retval;
 831         }
 832
 833         return ERROR_OK;
 834 }
 835
 836
 837 /* Single aligned words are guaranteed to use 16 or 32 bit access
 838  * mode respectively, otherwise data is handled as quickly as
 839  * possible
 840  */
 841 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
 842 {
 843         int retval;
 844
 845         DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
 846
 847         if (((address % 2) == 0) && (size == 2))
 848         {
 849                 return target->type->read_memory(target, address, 2, 1, buffer);
 850         }
 851
 852         /* handle unaligned head bytes */
 853         if (address % 4)
 854         {
 855                 int unaligned = 4 - (address % 4);
 856
 857                 if (unaligned > size)
 858                         unaligned = size;
 859
 860                 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
 861                         return retval;
 862
 863                 buffer += unaligned;
 864                 address += unaligned;
 865                 size -= unaligned;
 866         }
 867
 868         /* handle aligned words */
 869         if (size >= 4)
 870         {
 871                 int aligned = size - (size % 4);
 872
 873                 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
 874                         return retval;
 875
 876                 buffer += aligned;
 877                 address += aligned;
 878                 size -= aligned;
 879         }
 880
 881         /* handle tail writes of less than 4 bytes */
 882         if (size > 0)
 883         {
 884                 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
 885                         return retval;
 886         }
 887
 888         return ERROR_OK;
 889 }
 890
 891 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
 892 {
 893         u8 *buffer;
 894         int retval;
 895         int i;
 896         u32 checksum = 0;
 897
 898         if ((retval = target->type->checksum_memory(target, address,
 899                 size, &checksum)) == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
 900         {
 901                 buffer = malloc(size);
 902                 if (buffer == NULL)
 903                 {
 904                         ERROR("error allocating buffer for section (%d bytes)", size);
 905                         return ERROR_INVALID_ARGUMENTS;
 906                 }
 907                 retval = target_read_buffer(target, address, size, buffer);
 908                 if (retval != ERROR_OK)
 909                 {
 910                         free(buffer);
 911                         return retval;
 912                 }
 913
 914                 /* convert to target endianess */
 915                 for (i = 0; i < (size/sizeof(u32)); i++)
 916                 {
 917                         u32 target_data;
 918                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
 919                         target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
 920                 }
 921
 922                 retval = image_calculate_checksum( buffer, size, &checksum );
 923                 free(buffer);
 924         }
 925
 926         *crc = checksum;
 927
 928         return retval;
 929 }
 930
 931 int target_read_u32(struct target_s *target, u32 address, u32 *value)
 932 {
 933         u8 value_buf[4];
 934
 935         int retval = target->type->read_memory(target, address, 4, 1, value_buf);
 936
 937         if (retval == ERROR_OK)
 938         {
 939                 *value = target_buffer_get_u32(target, value_buf);
 940                 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
 941         }
 942         else
 943         {
 944                 *value = 0x0;
 945                 DEBUG("address: 0x%8.8x failed", address);
 946         }
 947
 948         return retval;
 949 }
 950
 951 int target_read_u16(struct target_s *target, u32 address, u16 *value)
 952 {
 953         u8 value_buf[2];
 954
 955         int retval = target->type->read_memory(target, address, 2, 1, value_buf);
 956
 957         if (retval == ERROR_OK)
 958         {
 959                 *value = target_buffer_get_u16(target, value_buf);
 960                 DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
 961         }
 962         else
 963         {
 964                 *value = 0x0;
 965                 DEBUG("address: 0x%8.8x failed", address);
 966         }
 967
 968         return retval;
 969 }
 970
 971 int target_read_u8(struct target_s *target, u32 address, u8 *value)
 972 {
 973         int retval = target->type->read_memory(target, address, 1, 1, value);
 974
 975         if (retval == ERROR_OK)
 976         {
 977                 DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
 978         }
 979         else
 980         {
 981                 *value = 0x0;
 982                 DEBUG("address: 0x%8.8x failed", address);
 983         }
 984
 985         return retval;
 986 }
 987
 988 int target_write_u32(struct target_s *target, u32 address, u32 value)
 989 {
 990         int retval;
 991         u8 value_buf[4];
 992
 993         DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
 994
 995         target_buffer_set_u32(target, value_buf, value);
 996         if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
 997         {
 998                 DEBUG("failed: %i", retval);
 999         }
1000
1001         return retval;
1002 }
1003
1004 int target_write_u16(struct target_s *target, u32 address, u16 value)
1005 {
1006         int retval;
1007         u8 value_buf[2];
1008
1009         DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1010
1011         target_buffer_set_u16(target, value_buf, value);
1012         if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1013         {
1014                 DEBUG("failed: %i", retval);
1015         }
1016
1017         return retval;
1018 }
1019
1020 int target_write_u8(struct target_s *target, u32 address, u8 value)
1021 {
1022         int retval;
1023
1024         DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1025
1026         if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
1027         {
1028                 DEBUG("failed: %i", retval);
1029         }
1030
1031         return retval;
1032 }
1033
1034 int target_register_user_commands(struct command_context_s *cmd_ctx)
1035 {
1036         register_command(cmd_ctx,  NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
1037         register_command(cmd_ctx,  NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1038         register_command(cmd_ctx,  NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1039         register_command(cmd_ctx,  NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1040         register_command(cmd_ctx,  NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1041         register_command(cmd_ctx,  NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1042         register_command(cmd_ctx,  NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
1043         register_command(cmd_ctx,  NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1044
1045         register_command(cmd_ctx,  NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1046         register_command(cmd_ctx,  NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1047         register_command(cmd_ctx,  NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1048
1049         register_command(cmd_ctx,  NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value>");
1050         register_command(cmd_ctx,  NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value>");
1051         register_command(cmd_ctx,  NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value>");
1052
1053         register_command(cmd_ctx,  NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1054         register_command(cmd_ctx,  NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1055         register_command(cmd_ctx,  NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1056         register_command(cmd_ctx,  NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1057
1058         register_command(cmd_ctx,  NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19']");
1059         register_command(cmd_ctx,  NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1060         register_command(cmd_ctx,  NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1061         register_command(cmd_ctx,  NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
1062         register_command(cmd_ctx,  NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
1063
1064         target_request_register_commands(cmd_ctx);
1065         trace_register_commands(cmd_ctx);
1066
1067         return ERROR_OK;
1068 }
1069
1070 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1071 {
1072         target_t *target = targets;
1073         int count = 0;
1074
1075         if (argc == 1)
1076         {
1077                 int num = strtoul(args[0], NULL, 0);
1078
1079                 while (target)
1080                 {
1081                         count++;
1082                         target = target->next;
1083                 }
1084
1085                 if (num < count)
1086                         cmd_ctx->current_target = num;
1087                 else
1088                         command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
1089
1090                 return ERROR_OK;
1091         }
1092
1093         while (target)
1094         {
1095                 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
1096                 target = target->next;
1097         }
1098
1099         return ERROR_OK;
1100 }
1101
1102 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1103 {
1104         int i;
1105         int found = 0;
1106
1107         if (argc < 3)
1108         {
1109                 ERROR("target command requires at least three arguments: <type> <endianess> <reset_mode>");
1110                 exit(-1);
1111         }
1112
1113         /* search for the specified target */
1114         if (args[0] && (args[0][0] != 0))
1115         {
1116                 for (i = 0; target_types[i]; i++)
1117                 {
1118                         if (strcmp(args[0], target_types[i]->name) == 0)
1119                         {
1120                                 target_t **last_target_p = &targets;
1121
1122                                 /* register target specific commands */
1123                                 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
1124                                 {
1125                                         ERROR("couldn't register '%s' commands", args[0]);
1126                                         exit(-1);
1127                                 }
1128
1129                                 if (*last_target_p)
1130                                 {
1131                                         while ((*last_target_p)->next)
1132                                                 last_target_p = &((*last_target_p)->next);
1133                                         last_target_p = &((*last_target_p)->next);
1134                                 }
1135
1136                                 *last_target_p = malloc(sizeof(target_t));
1137
1138                                 (*last_target_p)->type = target_types[i];
1139
1140                                 if (strcmp(args[1], "big") == 0)
1141                                         (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
1142                                 else if (strcmp(args[1], "little") == 0)
1143                                         (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
1144                                 else
1145                                 {
1146                                         ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
1147                                         exit(-1);
1148                                 }
1149
1150                                 /* what to do on a target reset */
1151                                 if (strcmp(args[2], "reset_halt") == 0)
1152                                         (*last_target_p)->reset_mode = RESET_HALT;
1153                                 else if (strcmp(args[2], "reset_run") == 0)
1154                                         (*last_target_p)->reset_mode = RESET_RUN;
1155                                 else if (strcmp(args[2], "reset_init") == 0)
1156                                         (*last_target_p)->reset_mode = RESET_INIT;
1157                                 else if (strcmp(args[2], "run_and_halt") == 0)
1158                                         (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
1159                                 else if (strcmp(args[2], "run_and_init") == 0)
1160                                         (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
1161                                 else
1162                                 {
1163                                         ERROR("unknown target startup mode %s", args[2]);
1164                                         exit(-1);
1165                                 }
1166                                 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
1167
1168                                 (*last_target_p)->reset_script = NULL;
1169                                 (*last_target_p)->post_halt_script = NULL;
1170                                 (*last_target_p)->pre_resume_script = NULL;
1171                                 (*last_target_p)->gdb_program_script = NULL;
1172
1173                                 (*last_target_p)->working_area = 0x0;
1174                                 (*last_target_p)->working_area_size = 0x0;
1175                                 (*last_target_p)->working_areas = NULL;
1176                                 (*last_target_p)->backup_working_area = 0;
1177
1178                                 (*last_target_p)->state = TARGET_UNKNOWN;
1179                                 (*last_target_p)->reg_cache = NULL;
1180                                 (*last_target_p)->breakpoints = NULL;
1181                                 (*last_target_p)->watchpoints = NULL;
1182                                 (*last_target_p)->next = NULL;
1183                                 (*last_target_p)->arch_info = NULL;
1184
1185                                 /* initialize trace information */
1186                                 (*last_target_p)->trace_info = malloc(sizeof(trace_t));
1187                                 (*last_target_p)->trace_info->num_trace_points = 0;
1188                                 (*last_target_p)->trace_info->trace_points_size = 0;
1189                                 (*last_target_p)->trace_info->trace_points = NULL;
1190                                 (*last_target_p)->trace_info->trace_history_size = 0;
1191                                 (*last_target_p)->trace_info->trace_history = NULL;
1192                                 (*last_target_p)->trace_info->trace_history_pos = 0;
1193                                 (*last_target_p)->trace_info->trace_history_overflowed = 0;
1194
1195                                 (*last_target_p)->dbgmsg = NULL;
1196                                 (*last_target_p)->dbg_msg_enabled = 0;
1197
1198                                 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
1199
1200                                 found = 1;
1201                                 break;
1202                         }
1203                 }
1204         }
1205
1206         /* no matching target found */
1207         if (!found)
1208         {
1209                 ERROR("target '%s' not found", args[0]);
1210                 exit(-1);
1211         }
1212
1213         return ERROR_OK;
1214 }
1215
1216 /* usage: target_script <target#> <event> <script_file> */
1217 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1218 {
1219         target_t *target = NULL;
1220
1221         if (argc < 3)
1222         {
1223                 ERROR("incomplete target_script command");
1224                 exit(-1);
1225         }
1226
1227         target = get_target_by_num(strtoul(args[0], NULL, 0));
1228
1229         if (!target)
1230         {
1231                 ERROR("target number '%s' not defined", args[0]);
1232                 exit(-1);
1233         }
1234
1235         if (strcmp(args[1], "reset") == 0)
1236         {
1237                 if (target->reset_script)
1238                         free(target->reset_script);
1239                 target->reset_script = strdup(args[2]);
1240         }
1241         else if (strcmp(args[1], "post_halt") == 0)
1242         {
1243                 if (target->post_halt_script)
1244                         free(target->post_halt_script);
1245                 target->post_halt_script = strdup(args[2]);
1246         }
1247         else if (strcmp(args[1], "pre_resume") == 0)
1248         {
1249                 if (target->pre_resume_script)
1250                         free(target->pre_resume_script);
1251                 target->pre_resume_script = strdup(args[2]);
1252         }
1253         else if (strcmp(args[1], "gdb_program_config") == 0)
1254         {
1255                 if (target->gdb_program_script)
1256                         free(target->gdb_program_script);
1257                 target->gdb_program_script = strdup(args[2]);
1258         }
1259         else
1260         {
1261                 ERROR("unknown event type: '%s", args[1]);
1262                 exit(-1);
1263         }
1264
1265         return ERROR_OK;
1266 }
1267
1268 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1269 {
1270         target_t *target = NULL;
1271
1272         if (argc < 2)
1273         {
1274                 ERROR("incomplete run_and_halt_time command");
1275                 exit(-1);
1276         }
1277
1278         target = get_target_by_num(strtoul(args[0], NULL, 0));
1279
1280         if (!target)
1281         {
1282                 ERROR("target number '%s' not defined", args[0]);
1283                 exit(-1);
1284         }
1285
1286         target->run_and_halt_time = strtoul(args[1], NULL, 0);
1287
1288         return ERROR_OK;
1289 }
1290
1291 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1292 {
1293         target_t *target = NULL;
1294
1295         if ((argc < 4) || (argc > 5))
1296         {
1297                 return ERROR_COMMAND_SYNTAX_ERROR;
1298         }
1299
1300         target = get_target_by_num(strtoul(args[0], NULL, 0));
1301
1302         if (!target)
1303         {
1304                 ERROR("target number '%s' not defined", args[0]);
1305                 exit(-1);
1306         }
1307         target_free_all_working_areas(target);
1308
1309         target->working_area_phys = target->working_area_virt = strtoul(args[1], NULL, 0);
1310         if (argc == 5)
1311         {
1312                 target->working_area_virt = strtoul(args[4], NULL, 0);
1313         }
1314         target->working_area_size = strtoul(args[2], NULL, 0);
1315
1316         if (strcmp(args[3], "backup") == 0)
1317         {
1318                 target->backup_working_area = 1;
1319         }
1320         else if (strcmp(args[3], "nobackup") == 0)
1321         {
1322                 target->backup_working_area = 0;
1323         }
1324         else
1325         {
1326                 ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1327                 return ERROR_COMMAND_SYNTAX_ERROR;
1328         }
1329
1330         return ERROR_OK;
1331 }
1332
1333
1334 /* process target state changes */
1335 int handle_target(void *priv)
1336 {
1337         int retval;
1338         target_t *target = targets;
1339
1340         while (target)
1341         {
1342                 /* only poll if target isn't already halted */
1343                 if (target->state != TARGET_HALTED)
1344                 {
1345                         if (target_continous_poll)
1346                                 if ((retval = target->type->poll(target)) != ERROR_OK)
1347                                 {
1348                                         ERROR("couldn't poll target(%d). It's due for a reset.", retval);
1349                                 }
1350                 }
1351
1352                 target = target->next;
1353         }
1354
1355         return ERROR_OK;
1356 }
1357
1358 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1359 {
1360         target_t *target;
1361         reg_t *reg = NULL;
1362         int count = 0;
1363         char *value;
1364
1365         DEBUG("-");
1366
1367         target = get_current_target(cmd_ctx);
1368
1369         /* list all available registers for the current target */
1370         if (argc == 0)
1371         {
1372                 reg_cache_t *cache = target->reg_cache;
1373
1374                 count = 0;
1375                 while(cache)
1376                 {
1377                         int i;
1378                         for (i = 0; i < cache->num_regs; i++)
1379                         {
1380                                 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1381                                 command_print(cmd_ctx, "(%i) %s (/%i): 0x%s (dirty: %i, valid: %i)", count++, cache->reg_list[i].name, cache->reg_list[i].size, value, cache->reg_list[i].dirty, cache->reg_list[i].valid);
1382                                 free(value);
1383                         }
1384                         cache = cache->next;
1385                 }
1386
1387                 return ERROR_OK;
1388         }
1389
1390         /* access a single register by its ordinal number */
1391         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1392         {
1393                 int num = strtoul(args[0], NULL, 0);
1394                 reg_cache_t *cache = target->reg_cache;
1395
1396                 count = 0;
1397                 while(cache)
1398                 {
1399                         int i;
1400                         for (i = 0; i < cache->num_regs; i++)
1401                         {
1402                                 if (count++ == num)
1403                                 {
1404                                         reg = &cache->reg_list[i];
1405                                         break;
1406                                 }
1407                         }
1408                         if (reg)
1409                                 break;
1410                         cache = cache->next;
1411                 }
1412
1413                 if (!reg)
1414                 {
1415                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1416                         return ERROR_OK;
1417                 }
1418         } else /* access a single register by its name */
1419         {
1420                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1421
1422                 if (!reg)
1423                 {
1424                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1425                         return ERROR_OK;
1426                 }
1427         }
1428
1429         /* display a register */
1430         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1431         {
1432                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1433                         reg->valid = 0;
1434
1435                 if (reg->valid == 0)
1436                 {
1437                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1438                         if (arch_type == NULL)
1439                         {
1440                                 ERROR("BUG: encountered unregistered arch type");
1441                                 return ERROR_OK;
1442                         }
1443                         arch_type->get(reg);
1444                 }
1445                 value = buf_to_str(reg->value, reg->size, 16);
1446                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1447                 free(value);
1448                 return ERROR_OK;
1449         }
1450
1451         /* set register value */
1452         if (argc == 2)
1453         {
1454                 u8 *buf = malloc(CEIL(reg->size, 8));
1455                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1456
1457                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1458                 if (arch_type == NULL)
1459                 {
1460                         ERROR("BUG: encountered unregistered arch type");
1461                         return ERROR_OK;
1462                 }
1463
1464                 arch_type->set(reg, buf);
1465
1466                 value = buf_to_str(reg->value, reg->size, 16);
1467                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1468                 free(value);
1469
1470                 free(buf);
1471
1472                 return ERROR_OK;
1473         }
1474
1475         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1476
1477         return ERROR_OK;
1478 }
1479
1480 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms);
1481
1482 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1483 {
1484         target_t *target = get_current_target(cmd_ctx);
1485
1486         if (argc == 0)
1487         {
1488                 target->type->poll(target);
1489                         target_arch_state(target);
1490         }
1491         else
1492         {
1493                 if (strcmp(args[0], "on") == 0)
1494                 {
1495                         target_continous_poll = 1;
1496                 }
1497                 else if (strcmp(args[0], "off") == 0)
1498                 {
1499                         target_continous_poll = 0;
1500                 }
1501                 else
1502                 {
1503                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1504                 }
1505         }
1506
1507
1508         return ERROR_OK;
1509 }
1510
1511 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1512 {
1513         int ms = 5000;
1514
1515         if (argc > 0)
1516         {
1517                 char *end;
1518
1519                 ms = strtoul(args[0], &end, 0) * 1000;
1520                 if (*end)
1521                 {
1522                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1523                         return ERROR_OK;
1524                 }
1525         }
1526
1527         return wait_state(cmd_ctx, cmd, TARGET_HALTED, ms);
1528 }
1529
1530 static void target_process_events(struct command_context_s *cmd_ctx)
1531 {
1532         target_t *target = get_current_target(cmd_ctx);
1533         target->type->poll(target);
1534         target_call_timer_callbacks();
1535 }
1536
1537 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms)
1538 {
1539         int retval;
1540         struct timeval timeout, now;
1541
1542         gettimeofday(&timeout, NULL);
1543         timeval_add_time(&timeout, 0, ms * 1000);
1544
1545         target_t *target = get_current_target(cmd_ctx);
1546         for (;;)
1547         {
1548                 if ((retval=target->type->poll(target))!=ERROR_OK)
1549                         return retval;
1550                 target_call_timer_callbacks();
1551                 if (target->state == state)
1552                 {
1553                         break;
1554                 }
1555                 command_print(cmd_ctx, "waiting for target %s...", target_state_strings[state]);
1556
1557                 gettimeofday(&now, NULL);
1558                 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1559                 {
1560                         command_print(cmd_ctx, "timed out while waiting for target %s", target_state_strings[state]);
1561                         ERROR("timed out while waiting for target %s", target_state_strings[state]);
1562                         break;
1563                 }
1564         }
1565
1566         return ERROR_OK;
1567 }
1568
1569 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1570 {
1571         int retval;
1572         target_t *target = get_current_target(cmd_ctx);
1573
1574         DEBUG("-");
1575
1576         command_print(cmd_ctx, "requesting target halt...");
1577
1578         if ((retval = target->type->halt(target)) != ERROR_OK)
1579         {
1580                 switch (retval)
1581                 {
1582                         case ERROR_TARGET_ALREADY_HALTED:
1583                                 command_print(cmd_ctx, "target already halted");
1584                                 break;
1585                         case ERROR_TARGET_TIMEOUT:
1586                                 command_print(cmd_ctx, "target timed out... shutting down");
1587                                 return retval;
1588                         default:
1589                                 command_print(cmd_ctx, "unknown error... shutting down");
1590                                 return retval;
1591                 }
1592         }
1593
1594         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1595 }
1596
1597 /* what to do on daemon startup */
1598 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1599 {
1600         if (argc == 1)
1601         {
1602                 if (strcmp(args[0], "attach") == 0)
1603                 {
1604                         startup_mode = DAEMON_ATTACH;
1605                         return ERROR_OK;
1606                 }
1607                 else if (strcmp(args[0], "reset") == 0)
1608                 {
1609                         startup_mode = DAEMON_RESET;
1610                         return ERROR_OK;
1611                 }
1612         }
1613
1614         WARNING("invalid daemon_startup configuration directive: %s", args[0]);
1615         return ERROR_OK;
1616
1617 }
1618
1619 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1620 {
1621         target_t *target = get_current_target(cmd_ctx);
1622         int retval;
1623
1624         command_print(cmd_ctx, "requesting target halt and executing a soft reset");
1625
1626         if ((retval = target->type->soft_reset_halt(target)) != ERROR_OK)
1627         {
1628                 switch (retval)
1629                 {
1630                         case ERROR_TARGET_TIMEOUT:
1631                                 command_print(cmd_ctx, "target timed out... shutting down");
1632                                 exit(-1);
1633                         default:
1634                                 command_print(cmd_ctx, "unknown error... shutting down");
1635                                 exit(-1);
1636                 }
1637         }
1638
1639         return ERROR_OK;
1640 }
1641
1642 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1643 {
1644         target_t *target = get_current_target(cmd_ctx);
1645         enum target_reset_mode reset_mode = target->reset_mode;
1646         enum target_reset_mode save = target->reset_mode;
1647
1648         DEBUG("-");
1649
1650         if (argc >= 1)
1651         {
1652                 if (strcmp("run", args[0]) == 0)
1653                         reset_mode = RESET_RUN;
1654                 else if (strcmp("halt", args[0]) == 0)
1655                         reset_mode = RESET_HALT;
1656                 else if (strcmp("init", args[0]) == 0)
1657                         reset_mode = RESET_INIT;
1658                 else if (strcmp("run_and_halt", args[0]) == 0)
1659                 {
1660                         reset_mode = RESET_RUN_AND_HALT;
1661                         if (argc >= 2)
1662                         {
1663                                 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1664                         }
1665                 }
1666                 else if (strcmp("run_and_init", args[0]) == 0)
1667                 {
1668                         reset_mode = RESET_RUN_AND_INIT;
1669                         if (argc >= 2)
1670                         {
1671                                 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1672                         }
1673                 }
1674                 else
1675                 {
1676                         command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1677                         return ERROR_OK;
1678                 }
1679         }
1680
1681         /* temporarily modify mode of current reset target */
1682         target->reset_mode = reset_mode;
1683
1684         /* reset *all* targets */
1685         target_process_reset(cmd_ctx);
1686
1687         /* Restore default reset mode for this target */
1688     target->reset_mode = save;
1689
1690         return ERROR_OK;
1691 }
1692
1693 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1694 {
1695         int retval;
1696         target_t *target = get_current_target(cmd_ctx);
1697
1698         if (argc == 0)
1699                 retval = target->type->resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1700         else if (argc == 1)
1701                 retval = target->type->resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1702         else
1703         {
1704                 return ERROR_COMMAND_SYNTAX_ERROR;
1705         }
1706
1707         target_process_events(cmd_ctx);
1708
1709         target_arch_state(target);
1710
1711         return retval;
1712 }
1713
1714 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1715 {
1716         target_t *target = get_current_target(cmd_ctx);
1717
1718         DEBUG("-");
1719
1720         if (argc == 0)
1721                 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1722
1723         if (argc == 1)
1724                 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1725
1726         return ERROR_OK;
1727 }
1728
1729 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1730 {
1731         const int line_bytecnt = 32;
1732         int count = 1;
1733         int size = 4;
1734         u32 address = 0;
1735         int line_modulo;
1736         int i;
1737
1738         char output[128];
1739         int output_len;
1740
1741         int retval;
1742
1743         u8 *buffer;
1744         target_t *target = get_current_target(cmd_ctx);
1745
1746         if (argc < 1)
1747                 return ERROR_OK;
1748
1749         if (argc == 2)
1750                 count = strtoul(args[1], NULL, 0);
1751
1752         address = strtoul(args[0], NULL, 0);
1753
1754
1755         switch (cmd[2])
1756         {
1757                 case 'w':
1758                         size = 4; line_modulo = line_bytecnt / 4;
1759                         break;
1760                 case 'h':
1761                         size = 2; line_modulo = line_bytecnt / 2;
1762                         break;
1763                 case 'b':
1764                         size = 1; line_modulo = line_bytecnt / 1;
1765                         break;
1766                 default:
1767                         return ERROR_OK;
1768         }
1769
1770         buffer = calloc(count, size);
1771         retval  = target->type->read_memory(target, address, size, count, buffer);
1772         if (retval != ERROR_OK)
1773         {
1774                 switch (retval)
1775                 {
1776                         case ERROR_TARGET_UNALIGNED_ACCESS:
1777                                 command_print(cmd_ctx, "error: address not aligned");
1778                                 break;
1779                         case ERROR_TARGET_NOT_HALTED:
1780                                 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1781                                 break;
1782                         case ERROR_TARGET_DATA_ABORT:
1783                                 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1784                                 break;
1785                         default:
1786                                 command_print(cmd_ctx, "error: unknown error");
1787                                 break;
1788                 }
1789                 return ERROR_OK;
1790         }
1791
1792         output_len = 0;
1793
1794         for (i = 0; i < count; i++)
1795         {
1796                 if (i%line_modulo == 0)
1797                         output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1798
1799                 switch (size)
1800                 {
1801                         case 4:
1802                                 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1803                                 break;
1804                         case 2:
1805                                 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1806                                 break;
1807                         case 1:
1808                                 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1809                                 break;
1810                 }
1811
1812                 if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1813                 {
1814                         command_print(cmd_ctx, output);
1815                         output_len = 0;
1816                 }
1817         }
1818
1819         free(buffer);
1820
1821         return ERROR_OK;
1822 }
1823
1824 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1825 {
1826         u32 address = 0;
1827         u32 value = 0;
1828         int retval;
1829         target_t *target = get_current_target(cmd_ctx);
1830         u8 value_buf[4];
1831
1832         if (argc < 2)
1833                 return ERROR_OK;
1834
1835         address = strtoul(args[0], NULL, 0);
1836         value = strtoul(args[1], NULL, 0);
1837
1838         switch (cmd[2])
1839         {
1840                 case 'w':
1841                         target_buffer_set_u32(target, value_buf, value);
1842                         retval = target->type->write_memory(target, address, 4, 1, value_buf);
1843                         break;
1844                 case 'h':
1845                         target_buffer_set_u16(target, value_buf, value);
1846                         retval = target->type->write_memory(target, address, 2, 1, value_buf);
1847                         break;
1848                 case 'b':
1849                         value_buf[0] = value;
1850                         retval = target->type->write_memory(target, address, 1, 1, value_buf);
1851                         break;
1852                 default:
1853                         return ERROR_OK;
1854         }
1855
1856         switch (retval)
1857         {
1858                 case ERROR_TARGET_UNALIGNED_ACCESS:
1859                         command_print(cmd_ctx, "error: address not aligned");
1860                         break;
1861                 case ERROR_TARGET_DATA_ABORT:
1862                         command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1863                         break;
1864                 case ERROR_TARGET_NOT_HALTED:
1865                         command_print(cmd_ctx, "error: target must be halted for memory accesses");
1866                         break;
1867                 case ERROR_OK:
1868                         break;
1869                 default:
1870                         command_print(cmd_ctx, "error: unknown error");
1871                         break;
1872         }
1873
1874         return ERROR_OK;
1875
1876 }
1877
1878 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1879 {
1880         u8 *buffer;
1881         u32 buf_cnt;
1882         u32 image_size;
1883         int i;
1884         int retval;
1885
1886         image_t image;
1887
1888         duration_t duration;
1889         char *duration_text;
1890
1891         target_t *target = get_current_target(cmd_ctx);
1892
1893         if (argc < 1)
1894         {
1895                 command_print(cmd_ctx, "usage: load_image <filename> [address] [type]");
1896                 return ERROR_OK;
1897         }
1898
1899         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
1900         if (argc >= 2)
1901         {
1902                 image.base_address_set = 1;
1903                 image.base_address = strtoul(args[1], NULL, 0);
1904         }
1905         else
1906         {
1907                 image.base_address_set = 0;
1908         }
1909
1910         image.start_address_set = 0;
1911
1912         duration_start_measure(&duration);
1913
1914         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
1915         {
1916                 command_print(cmd_ctx, "load_image error: %s", image.error_str);
1917                 return ERROR_OK;
1918         }
1919
1920         image_size = 0x0;
1921         for (i = 0; i < image.num_sections; i++)
1922         {
1923                 buffer = malloc(image.sections[i].size);
1924                 if (buffer == NULL)
1925                 {
1926                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
1927                         break;
1928                 }
1929
1930                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
1931                 {
1932                         ERROR("image_read_section failed with error code: %i", retval);
1933                         command_print(cmd_ctx, "image reading failed, download aborted");
1934                         free(buffer);
1935                         image_close(&image);
1936                         return ERROR_OK;
1937                 }
1938                 target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer);
1939                 image_size += buf_cnt;
1940                 command_print(cmd_ctx, "%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address);
1941
1942                 free(buffer);
1943         }
1944
1945         duration_stop_measure(&duration, &duration_text);
1946         command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
1947         free(duration_text);
1948
1949         image_close(&image);
1950
1951         return ERROR_OK;
1952
1953 }
1954
1955 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1956 {
1957         fileio_t fileio;
1958
1959         u32 address;
1960         u32 size;
1961         u8 buffer[560];
1962         int retval;
1963
1964         duration_t duration;
1965         char *duration_text;
1966
1967         target_t *target = get_current_target(cmd_ctx);
1968
1969         if (argc != 3)
1970         {
1971                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
1972                 return ERROR_OK;
1973         }
1974
1975         address = strtoul(args[1], NULL, 0);
1976         size = strtoul(args[2], NULL, 0);
1977
1978         if ((address & 3) || (size & 3))
1979         {
1980                 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
1981                 return ERROR_OK;
1982         }
1983
1984         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
1985         {
1986                 command_print(cmd_ctx, "dump_image error: %s", fileio.error_str);
1987                 return ERROR_OK;
1988         }
1989
1990         duration_start_measure(&duration);
1991
1992         while (size > 0)
1993         {
1994                 u32 size_written;
1995                 u32 this_run_size = (size > 560) ? 560 : size;
1996
1997                 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
1998                 if (retval != ERROR_OK)
1999                 {
2000                         command_print(cmd_ctx, "Reading memory failed %d", retval);
2001                         break;
2002                 }
2003
2004                 fileio_write(&fileio, this_run_size, buffer, &size_written);
2005
2006                 size -= this_run_size;
2007                 address += this_run_size;
2008         }
2009
2010         fileio_close(&fileio);
2011
2012         duration_stop_measure(&duration, &duration_text);
2013         command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2014         free(duration_text);
2015
2016         return ERROR_OK;
2017 }
2018
2019 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2020 {
2021         u8 *buffer;
2022         u32 buf_cnt;
2023         u32 image_size;
2024         int i;
2025         int retval;
2026         u32 checksum = 0;
2027         u32 mem_checksum = 0;
2028
2029         image_t image;
2030
2031         duration_t duration;
2032         char *duration_text;
2033
2034         target_t *target = get_current_target(cmd_ctx);
2035
2036         if (argc < 1)
2037         {
2038                 command_print(cmd_ctx, "usage: verify_image <file> [offset] [type]");
2039                 return ERROR_OK;
2040         }
2041
2042         if (!target)
2043         {
2044                 ERROR("no target selected");
2045                 return ERROR_OK;
2046         }
2047
2048         duration_start_measure(&duration);
2049
2050         if (argc >= 2)
2051         {
2052                 image.base_address_set = 1;
2053                 image.base_address = strtoul(args[1], NULL, 0);
2054         }
2055         else
2056         {
2057                 image.base_address_set = 0;
2058                 image.base_address = 0x0;
2059         }
2060
2061         image.start_address_set = 0;
2062
2063         if (image_open(&image, args[0], (argc == 3) ? args[2] : NULL) != ERROR_OK)
2064         {
2065                 command_print(cmd_ctx, "verify_image error: %s", image.error_str);
2066                 return ERROR_OK;
2067         }
2068
2069         image_size = 0x0;
2070         for (i = 0; i < image.num_sections; i++)
2071         {
2072                 buffer = malloc(image.sections[i].size);
2073                 if (buffer == NULL)
2074                 {
2075                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2076                         break;
2077                 }
2078                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2079                 {
2080                         ERROR("image_read_section failed with error code: %i", retval);
2081                         command_print(cmd_ctx, "image reading failed, verify aborted");
2082                         free(buffer);
2083                         image_close(&image);
2084                         return ERROR_OK;
2085                 }
2086
2087                 /* calculate checksum of image */
2088                 image_calculate_checksum( buffer, buf_cnt, &checksum );
2089
2090                 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2091
2092                 if( retval != ERROR_OK )
2093                 {
2094                         command_print(cmd_ctx, "could not calculate checksum, verify aborted");
2095                         free(buffer);
2096                         image_close(&image);
2097                         return ERROR_OK;
2098                 }
2099
2100                 if( checksum != mem_checksum )
2101                 {
2102                         /* failed crc checksum, fall back to a binary compare */
2103                         u8 *data;
2104
2105                         command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2106
2107                         data = (u8*)malloc(buf_cnt);
2108
2109                         /* Can we use 32bit word accesses? */
2110                         int size = 1;
2111                         int count = buf_cnt;
2112                         if ((count % 4) == 0)
2113                         {
2114                                 size *= 4;
2115                                 count /= 4;
2116                         }
2117                         retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2118
2119                         if (retval == ERROR_OK)
2120                         {
2121                                 int t;
2122                                 for (t = 0; t < buf_cnt; t++)
2123                                 {
2124                                         if (data[t] != buffer[t])
2125                                         {
2126                                                 command_print(cmd_ctx, "Verify operation failed address 0x%08x. Was 0x%02x instead of 0x%02x\n", t + image.sections[i].base_address, data[t], buffer[t]);
2127                                                 free(data);
2128                                                 free(buffer);
2129                                                 image_close(&image);
2130                                                 return ERROR_OK;
2131                                         }
2132                                 }
2133                         }
2134
2135                         free(data);
2136                 }
2137
2138                 free(buffer);
2139                 image_size += buf_cnt;
2140         }
2141
2142         duration_stop_measure(&duration, &duration_text);
2143         command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2144         free(duration_text);
2145
2146         image_close(&image);
2147
2148         return ERROR_OK;
2149 }
2150
2151 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2152 {
2153         int retval;
2154         target_t *target = get_current_target(cmd_ctx);
2155
2156         if (argc == 0)
2157         {
2158                 breakpoint_t *breakpoint = target->breakpoints;
2159
2160                 while (breakpoint)
2161                 {
2162                         if (breakpoint->type == BKPT_SOFT)
2163                         {
2164                                 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2165                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2166                                 free(buf);
2167                         }
2168                         else
2169                         {
2170                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2171                         }
2172                         breakpoint = breakpoint->next;
2173                 }
2174         }
2175         else if (argc >= 2)
2176         {
2177                 int hw = BKPT_SOFT;
2178                 u32 length = 0;
2179
2180                 length = strtoul(args[1], NULL, 0);
2181
2182                 if (argc >= 3)
2183                         if (strcmp(args[2], "hw") == 0)
2184                                 hw = BKPT_HARD;
2185
2186                 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2187                 {
2188                         switch (retval)
2189                         {
2190                                 case ERROR_TARGET_NOT_HALTED:
2191                                         command_print(cmd_ctx, "target must be halted to set breakpoints");
2192                                         break;
2193                                 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
2194                                         command_print(cmd_ctx, "no more breakpoints available");
2195                                         break;
2196                                 default:
2197                                         command_print(cmd_ctx, "unknown error, breakpoint not set");
2198                                         break;
2199                         }
2200                 }
2201                 else
2202                 {
2203                         command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2204                 }
2205         }
2206         else
2207         {
2208                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2209         }
2210
2211         return ERROR_OK;
2212 }
2213
2214 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2215 {
2216         target_t *target = get_current_target(cmd_ctx);
2217
2218         if (argc > 0)
2219                 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2220
2221         return ERROR_OK;
2222 }
2223
2224 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2225 {
2226         target_t *target = get_current_target(cmd_ctx);
2227         int retval;
2228
2229         if (argc == 0)
2230         {
2231                 watchpoint_t *watchpoint = target->watchpoints;
2232
2233                 while (watchpoint)
2234                 {
2235                         command_print(cmd_ctx, "address: 0x%8.8x, mask: 0x%8.8x, r/w/a: %i, value: 0x%8.8x, mask: 0x%8.8x", watchpoint->address, watchpoint->length, watchpoint->rw, watchpoint->value, watchpoint->mask);
2236                         watchpoint = watchpoint->next;
2237                 }
2238         }
2239         else if (argc >= 2)
2240         {
2241                 enum watchpoint_rw type = WPT_ACCESS;
2242                 u32 data_value = 0x0;
2243                 u32 data_mask = 0xffffffff;
2244
2245                 if (argc >= 3)
2246                 {
2247                         switch(args[2][0])
2248                         {
2249                                 case 'r':
2250                                         type = WPT_READ;
2251                                         break;
2252                                 case 'w':
2253                                         type = WPT_WRITE;
2254                                         break;
2255                                 case 'a':
2256                                         type = WPT_ACCESS;
2257                                         break;
2258                                 default:
2259                                         command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2260                                         return ERROR_OK;
2261                         }
2262                 }
2263                 if (argc >= 4)
2264                 {
2265                         data_value = strtoul(args[3], NULL, 0);
2266                 }
2267                 if (argc >= 5)
2268                 {
2269                         data_mask = strtoul(args[4], NULL, 0);
2270                 }
2271
2272                 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2273                                 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2274                 {
2275                         switch (retval)
2276                         {
2277                                 case ERROR_TARGET_NOT_HALTED:
2278                                         command_print(cmd_ctx, "target must be halted to set watchpoints");
2279                                         break;
2280                                 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
2281                                         command_print(cmd_ctx, "no more watchpoints available");
2282                                         break;
2283                                 default:
2284                                         command_print(cmd_ctx, "unknown error, watchpoint not set");
2285                                         break;
2286                         }
2287                 }
2288         }
2289         else
2290         {
2291                 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2292         }
2293
2294         return ERROR_OK;
2295 }
2296
2297 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2298 {
2299         target_t *target = get_current_target(cmd_ctx);
2300
2301         if (argc > 0)
2302                 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2303
2304         return ERROR_OK;
2305 }
2306
2307 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2308 {
2309         int retval;
2310         target_t *target = get_current_target(cmd_ctx);
2311         u32 va;
2312         u32 pa;
2313
2314         if (argc != 1)
2315         {
2316                 return ERROR_COMMAND_SYNTAX_ERROR;
2317         }
2318         va = strtoul(args[0], NULL, 0);
2319
2320         retval = target->type->virt2phys(target, va, &pa);
2321         if (retval == ERROR_OK)
2322         {
2323                 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2324         }
2325         else
2326         {
2327                 /* lower levels will have logged a detailed error which is
2328                  * forwarded to telnet/GDB session.
2329                  */
2330         }
2331         return retval;
2332 }