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   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 extern target_type_t arm11_target;
  92
  93 target_type_t *target_types[] =
  94 {
  95         &arm7tdmi_target,
  96         &arm9tdmi_target,
  97         &arm920t_target,
  98         &arm720t_target,
  99         &arm966e_target,
 100         &arm926ejs_target,
 101         &feroceon_target,
 102         &xscale_target,
 103         &cortexm3_target,
 104         &arm11_target,
 105         NULL,
 106 };
 107
 108 target_t *targets = NULL;
 109 target_event_callback_t *target_event_callbacks = NULL;
 110 target_timer_callback_t *target_timer_callbacks = NULL;
 111
 112 char *target_state_strings[] =
 113 {
 114         "unknown",
 115         "running",
 116         "halted",
 117         "reset",
 118         "debug_running",
 119 };
 120
 121 char *target_debug_reason_strings[] =
 122 {
 123         "debug request", "breakpoint", "watchpoint",
 124         "watchpoint and breakpoint", "single step",
 125         "target not halted", "undefined"
 126 };
 127
 128 char *target_endianess_strings[] =
 129 {
 130         "big endian",
 131         "little endian",
 132 };
 133
 134 enum daemon_startup_mode startup_mode = DAEMON_ATTACH;
 135
 136 static int target_continous_poll = 1;
 137
 138 /* read a u32 from a buffer in target memory endianness */
 139 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
 140 {
 141         if (target->endianness == TARGET_LITTLE_ENDIAN)
 142                 return le_to_h_u32(buffer);
 143         else
 144                 return be_to_h_u32(buffer);
 145 }
 146
 147 /* read a u16 from a buffer in target memory endianness */
 148 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
 149 {
 150         if (target->endianness == TARGET_LITTLE_ENDIAN)
 151                 return le_to_h_u16(buffer);
 152         else
 153                 return be_to_h_u16(buffer);
 154 }
 155
 156 /* write a u32 to a buffer in target memory endianness */
 157 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
 158 {
 159         if (target->endianness == TARGET_LITTLE_ENDIAN)
 160                 h_u32_to_le(buffer, value);
 161         else
 162                 h_u32_to_be(buffer, value);
 163 }
 164
 165 /* write a u16 to a buffer in target memory endianness */
 166 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
 167 {
 168         if (target->endianness == TARGET_LITTLE_ENDIAN)
 169                 h_u16_to_le(buffer, value);
 170         else
 171                 h_u16_to_be(buffer, value);
 172 }
 173
 174 /* returns a pointer to the n-th configured target */
 175 target_t* get_target_by_num(int num)
 176 {
 177         target_t *target = targets;
 178         int i = 0;
 179
 180         while (target)
 181         {
 182                 if (num == i)
 183                         return target;
 184                 target = target->next;
 185                 i++;
 186         }
 187
 188         return NULL;
 189 }
 190
 191 int get_num_by_target(target_t *query_target)
 192 {
 193         target_t *target = targets;
 194         int i = 0;
 195
 196         while (target)
 197         {
 198                 if (target == query_target)
 199                         return i;
 200                 target = target->next;
 201                 i++;
 202         }
 203
 204         return -1;
 205 }
 206
 207 target_t* get_current_target(command_context_t *cmd_ctx)
 208 {
 209         target_t *target = get_target_by_num(cmd_ctx->current_target);
 210
 211         if (target == NULL)
 212         {
 213                 ERROR("BUG: current_target out of bounds");
 214                 exit(-1);
 215         }
 216
 217         return target;
 218 }
 219
 220 /* Process target initialization, when target entered debug out of reset
 221  * the handler is unregistered at the end of this function, so it's only called once
 222  */
 223 int target_init_handler(struct target_s *target, enum target_event event, void *priv)
 224 {
 225         FILE *script;
 226         struct command_context_s *cmd_ctx = priv;
 227
 228         if ((event == TARGET_EVENT_HALTED) && (target->reset_script))
 229         {
 230                 target_unregister_event_callback(target_init_handler, priv);
 231
 232                 script = open_file_from_path(target->reset_script, "r");
 233                 if (!script)
 234                 {
 235                         ERROR("couldn't open script file %s", target->reset_script);
 236                                 return ERROR_OK;
 237                 }
 238
 239                 INFO("executing reset script '%s'", target->reset_script);
 240                 command_run_file(cmd_ctx, script, COMMAND_EXEC);
 241                 fclose(script);
 242
 243                 jtag_execute_queue();
 244         }
 245
 246         return ERROR_OK;
 247 }
 248
 249 int target_run_and_halt_handler(void *priv)
 250 {
 251         target_t *target = priv;
 252
 253         target->type->halt(target);
 254
 255         return ERROR_OK;
 256 }
 257
 258 int target_process_reset(struct command_context_s *cmd_ctx)
 259 {
 260         int retval = ERROR_OK;
 261         target_t *target;
 262         struct timeval timeout, now;
 263
 264         jtag->speed(jtag_speed);
 265
 266         /* prepare reset_halt where necessary */
 267         target = targets;
 268         while (target)
 269         {
 270                 if (jtag_reset_config & RESET_SRST_PULLS_TRST)
 271                 {
 272                         switch (target->reset_mode)
 273                         {
 274                                 case RESET_HALT:
 275                                         command_print(cmd_ctx, "nSRST pulls nTRST, falling back to \"reset run_and_halt\"");
 276                                         target->reset_mode = RESET_RUN_AND_HALT;
 277                                         break;
 278                                 case RESET_INIT:
 279                                         command_print(cmd_ctx, "nSRST pulls nTRST, falling back to \"reset run_and_init\"");
 280                                         target->reset_mode = RESET_RUN_AND_INIT;
 281                                         break;
 282                                 default:
 283                                         break;
 284                         }
 285                 }
 286                 switch (target->reset_mode)
 287                 {
 288                         case RESET_HALT:
 289                         case RESET_INIT:
 290                                 target->type->prepare_reset_halt(target);
 291                                 break;
 292                         default:
 293                                 break;
 294                 }
 295                 target = target->next;
 296         }
 297
 298         target = targets;
 299         while (target)
 300         {
 301                 target->type->assert_reset(target);
 302                 target = target->next;
 303         }
 304         jtag_execute_queue();
 305
 306         /* request target halt if necessary, and schedule further action */
 307         target = targets;
 308         while (target)
 309         {
 310                 switch (target->reset_mode)
 311                 {
 312                         case RESET_RUN:
 313                                 /* nothing to do if target just wants to be run */
 314                                 break;
 315                         case RESET_RUN_AND_HALT:
 316                                 /* schedule halt */
 317                                 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
 318                                 break;
 319                         case RESET_RUN_AND_INIT:
 320                                 /* schedule halt */
 321                                 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
 322                                 target_register_event_callback(target_init_handler, cmd_ctx);
 323                                 break;
 324                         case RESET_HALT:
 325                                 target->type->halt(target);
 326                                 break;
 327                         case RESET_INIT:
 328                                 target->type->halt(target);
 329                                 target_register_event_callback(target_init_handler, cmd_ctx);
 330                                 break;
 331                         default:
 332                                 ERROR("BUG: unknown target->reset_mode");
 333                 }
 334                 target = target->next;
 335         }
 336
 337         target = targets;
 338         while (target)
 339         {
 340                 target->type->deassert_reset(target);
 341                 target = target->next;
 342         }
 343         jtag_execute_queue();
 344
 345         /* Wait for reset to complete, maximum 5 seconds. */
 346         gettimeofday(&timeout, NULL);
 347         timeval_add_time(&timeout, 5, 0);
 348         for(;;)
 349         {
 350                 gettimeofday(&now, NULL);
 351
 352                 target_call_timer_callbacks_now();
 353
 354                 target = targets;
 355                 while (target)
 356                 {
 357                         target->type->poll(target);
 358                         if ((target->reset_mode == RESET_RUN_AND_INIT) || (target->reset_mode == RESET_RUN_AND_HALT))
 359                         {
 360                                 if (target->state != TARGET_HALTED)
 361                                 {
 362                                         if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
 363                                         {
 364                                                 USER("Timed out waiting for reset");
 365                                                 goto done;
 366                                         }
 367                                         /* this will send alive messages on e.g. GDB remote protocol. */
 368                                         usleep(500*1000);
 369                                         USER_N("%s", ""); /* avoid warning about zero length formatting message*/
 370                                         goto again;
 371                                 }
 372                         }
 373                         target = target->next;
 374                 }
 375                 /* All targets we're waiting for are halted */
 376                 break;
 377
 378                 again:;
 379         }
 380         done:
 381
 382
 383         /* We want any events to be processed before the prompt */
 384         target_call_timer_callbacks_now();
 385
 386         jtag->speed(jtag_speed_post_reset);
 387
 388         return retval;
 389 }
 390
 391 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
 392 {
 393         *physical = virtual;
 394         return ERROR_OK;
 395 }
 396
 397 static int default_mmu(struct target_s *target, int *enabled)
 398 {
 399         *enabled = 0;
 400         return ERROR_OK;
 401 }
 402
 403 int target_init(struct command_context_s *cmd_ctx)
 404 {
 405         target_t *target = targets;
 406
 407         while (target)
 408         {
 409                 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
 410                 {
 411                         ERROR("target '%s' init failed", target->type->name);
 412                         exit(-1);
 413                 }
 414
 415                 /* Set up default functions if none are provided by target */
 416                 if (target->type->virt2phys == NULL)
 417                 {
 418                         target->type->virt2phys = default_virt2phys;
 419                 }
 420                 if (target->type->mmu == NULL)
 421                 {
 422                         target->type->mmu = default_mmu;
 423                 }
 424                 target = target->next;
 425         }
 426
 427         if (targets)
 428         {
 429                 target_register_user_commands(cmd_ctx);
 430                 target_register_timer_callback(handle_target, 100, 1, NULL);
 431         }
 432
 433         return ERROR_OK;
 434 }
 435
 436 int target_init_reset(struct command_context_s *cmd_ctx)
 437 {
 438         if (startup_mode == DAEMON_RESET)
 439                 target_process_reset(cmd_ctx);
 440
 441         return ERROR_OK;
 442 }
 443
 444 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 445 {
 446         target_event_callback_t **callbacks_p = &target_event_callbacks;
 447
 448         if (callback == NULL)
 449         {
 450                 return ERROR_INVALID_ARGUMENTS;
 451         }
 452
 453         if (*callbacks_p)
 454         {
 455                 while ((*callbacks_p)->next)
 456                         callbacks_p = &((*callbacks_p)->next);
 457                 callbacks_p = &((*callbacks_p)->next);
 458         }
 459
 460         (*callbacks_p) = malloc(sizeof(target_event_callback_t));
 461         (*callbacks_p)->callback = callback;
 462         (*callbacks_p)->priv = priv;
 463         (*callbacks_p)->next = NULL;
 464
 465         return ERROR_OK;
 466 }
 467
 468 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
 469 {
 470         target_timer_callback_t **callbacks_p = &target_timer_callbacks;
 471         struct timeval now;
 472
 473         if (callback == NULL)
 474         {
 475                 return ERROR_INVALID_ARGUMENTS;
 476         }
 477
 478         if (*callbacks_p)
 479         {
 480                 while ((*callbacks_p)->next)
 481                         callbacks_p = &((*callbacks_p)->next);
 482                 callbacks_p = &((*callbacks_p)->next);
 483         }
 484
 485         (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
 486         (*callbacks_p)->callback = callback;
 487         (*callbacks_p)->periodic = periodic;
 488         (*callbacks_p)->time_ms = time_ms;
 489
 490         gettimeofday(&now, NULL);
 491         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 492         time_ms -= (time_ms % 1000);
 493         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
 494         if ((*callbacks_p)->when.tv_usec > 1000000)
 495         {
 496                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
 497                 (*callbacks_p)->when.tv_sec += 1;
 498         }
 499
 500         (*callbacks_p)->priv = priv;
 501         (*callbacks_p)->next = NULL;
 502
 503         return ERROR_OK;
 504 }
 505
 506 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 507 {
 508         target_event_callback_t **p = &target_event_callbacks;
 509         target_event_callback_t *c = target_event_callbacks;
 510
 511         if (callback == NULL)
 512         {
 513                 return ERROR_INVALID_ARGUMENTS;
 514         }
 515
 516         while (c)
 517         {
 518                 target_event_callback_t *next = c->next;
 519                 if ((c->callback == callback) && (c->priv == priv))
 520                 {
 521                         *p = next;
 522                         free(c);
 523                         return ERROR_OK;
 524                 }
 525                 else
 526                         p = &(c->next);
 527                 c = next;
 528         }
 529
 530         return ERROR_OK;
 531 }
 532
 533 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
 534 {
 535         target_timer_callback_t **p = &target_timer_callbacks;
 536         target_timer_callback_t *c = target_timer_callbacks;
 537
 538         if (callback == NULL)
 539         {
 540                 return ERROR_INVALID_ARGUMENTS;
 541         }
 542
 543         while (c)
 544         {
 545                 target_timer_callback_t *next = c->next;
 546                 if ((c->callback == callback) && (c->priv == priv))
 547                 {
 548                         *p = next;
 549                         free(c);
 550                         return ERROR_OK;
 551                 }
 552                 else
 553                         p = &(c->next);
 554                 c = next;
 555         }
 556
 557         return ERROR_OK;
 558 }
 559
 560 int target_call_event_callbacks(target_t *target, enum target_event event)
 561 {
 562         target_event_callback_t *callback = target_event_callbacks;
 563         target_event_callback_t *next_callback;
 564
 565         DEBUG("target event %i", event);
 566
 567         while (callback)
 568         {
 569                 next_callback = callback->next;
 570                 callback->callback(target, event, callback->priv);
 571                 callback = next_callback;
 572         }
 573
 574         return ERROR_OK;
 575 }
 576
 577 int target_call_timer_callbacks()
 578 {
 579         target_timer_callback_t *callback = target_timer_callbacks;
 580         target_timer_callback_t *next_callback;
 581         struct timeval now;
 582
 583         gettimeofday(&now, NULL);
 584
 585         while (callback)
 586         {
 587                 next_callback = callback->next;
 588
 589                 if (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
 590                         || (now.tv_sec > callback->when.tv_sec))
 591                 {
 592                         callback->callback(callback->priv);
 593                         if (callback->periodic)
 594                         {
 595                                 int time_ms = callback->time_ms;
 596                                 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 597                                 time_ms -= (time_ms % 1000);
 598                                 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
 599                                 if (callback->when.tv_usec > 1000000)
 600                                 {
 601                                         callback->when.tv_usec = callback->when.tv_usec - 1000000;
 602                                         callback->when.tv_sec += 1;
 603                                 }
 604                         }
 605                         else
 606                                 target_unregister_timer_callback(callback->callback, callback->priv);
 607                 }
 608
 609                 callback = next_callback;
 610         }
 611
 612         return ERROR_OK;
 613 }
 614
 615 int target_call_timer_callbacks_now()
 616 {
 617         /* TODO: this should invoke the timer callbacks now. This is used to ensure that
 618          * any outstanding polls, etc. are in fact invoked before a synchronous command
 619          * completes.
 620          */
 621         return target_call_timer_callbacks();
 622 }
 623
 624
 625 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
 626 {
 627         working_area_t *c = target->working_areas;
 628         working_area_t *new_wa = NULL;
 629
 630         /* Reevaluate working area address based on MMU state*/
 631         if (target->working_areas == NULL)
 632         {
 633                 int retval;
 634                 int enabled;
 635                 retval = target->type->mmu(target, &enabled);
 636                 if (retval != ERROR_OK)
 637                 {
 638                         return retval;
 639                 }
 640                 if (enabled)
 641                 {
 642                         target->working_area = target->working_area_virt;
 643                 }
 644                 else
 645                 {
 646                         target->working_area = target->working_area_phys;
 647                 }
 648         }
 649
 650         /* only allocate multiples of 4 byte */
 651         if (size % 4)
 652         {
 653                 ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
 654                 size = CEIL(size, 4);
 655         }
 656
 657         /* see if there's already a matching working area */
 658         while (c)
 659         {
 660                 if ((c->free) && (c->size == size))
 661                 {
 662                         new_wa = c;
 663                         break;
 664                 }
 665                 c = c->next;
 666         }
 667
 668         /* if not, allocate a new one */
 669         if (!new_wa)
 670         {
 671                 working_area_t **p = &target->working_areas;
 672                 u32 first_free = target->working_area;
 673                 u32 free_size = target->working_area_size;
 674
 675                 DEBUG("allocating new working area");
 676
 677                 c = target->working_areas;
 678                 while (c)
 679                 {
 680                         first_free += c->size;
 681                         free_size -= c->size;
 682                         p = &c->next;
 683                         c = c->next;
 684                 }
 685
 686                 if (free_size < size)
 687                 {
 688                         WARNING("not enough working area available(requested %d, free %d)", size, free_size);
 689                         return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
 690                 }
 691
 692                 new_wa = malloc(sizeof(working_area_t));
 693                 new_wa->next = NULL;
 694                 new_wa->size = size;
 695                 new_wa->address = first_free;
 696
 697                 if (target->backup_working_area)
 698                 {
 699                         new_wa->backup = malloc(new_wa->size);
 700                         target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
 701                 }
 702                 else
 703                 {
 704                         new_wa->backup = NULL;
 705                 }
 706
 707                 /* put new entry in list */
 708                 *p = new_wa;
 709         }
 710
 711         /* mark as used, and return the new (reused) area */
 712         new_wa->free = 0;
 713         *area = new_wa;
 714
 715         /* user pointer */
 716         new_wa->user = area;
 717
 718         return ERROR_OK;
 719 }
 720
 721 int target_free_working_area(struct target_s *target, working_area_t *area)
 722 {
 723         if (area->free)
 724                 return ERROR_OK;
 725
 726         if (target->backup_working_area)
 727                 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
 728
 729         area->free = 1;
 730
 731         /* mark user pointer invalid */
 732         *area->user = NULL;
 733         area->user = NULL;
 734
 735         return ERROR_OK;
 736 }
 737
 738 int target_free_all_working_areas(struct target_s *target)
 739 {
 740         working_area_t *c = target->working_areas;
 741
 742         while (c)
 743         {
 744                 working_area_t *next = c->next;
 745                 target_free_working_area(target, c);
 746
 747                 if (c->backup)
 748                         free(c->backup);
 749
 750                 free(c);
 751
 752                 c = next;
 753         }
 754
 755         target->working_areas = NULL;
 756
 757         return ERROR_OK;
 758 }
 759
 760 int target_register_commands(struct command_context_s *cmd_ctx)
 761 {
 762         register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, NULL);
 763         register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
 764         register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG, NULL);
 765         register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
 766         register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, "<target> <run time ms>");
 767         register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, "working_area <target#> <address> <size> <'backup'|'nobackup'> [virtual address]");
 768         register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "virt2phys <virtual address>");
 769
 770         return ERROR_OK;
 771 }
 772
 773 int target_arch_state(struct target_s *target)
 774 {
 775         int retval;
 776         if (target==NULL)
 777         {
 778                 USER("No target has been configured");
 779                 return ERROR_OK;
 780         }
 781
 782         USER("target state: %s", target_state_strings[target->state]);
 783
 784         if (target->state!=TARGET_HALTED)
 785                 return ERROR_OK;
 786
 787         retval=target->type->arch_state(target);
 788         return retval;
 789 }
 790
 791 /* Single aligned words are guaranteed to use 16 or 32 bit access
 792  * mode respectively, otherwise data is handled as quickly as
 793  * possible
 794  */
 795 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
 796 {
 797         int retval;
 798
 799         DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
 800
 801         if (((address % 2) == 0) && (size == 2))
 802         {
 803                 return target->type->write_memory(target, address, 2, 1, buffer);
 804         }
 805
 806         /* handle unaligned head bytes */
 807         if (address % 4)
 808         {
 809                 int unaligned = 4 - (address % 4);
 810
 811                 if (unaligned > size)
 812                         unaligned = size;
 813
 814                 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
 815                         return retval;
 816
 817                 buffer += unaligned;
 818                 address += unaligned;
 819                 size -= unaligned;
 820         }
 821
 822         /* handle aligned words */
 823         if (size >= 4)
 824         {
 825                 int aligned = size - (size % 4);
 826
 827                 /* use bulk writes above a certain limit. This may have to be changed */
 828                 if (aligned > 128)
 829                 {
 830                         if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
 831                                 return retval;
 832                 }
 833                 else
 834                 {
 835                         if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
 836                                 return retval;
 837                 }
 838
 839                 buffer += aligned;
 840                 address += aligned;
 841                 size -= aligned;
 842         }
 843
 844         /* handle tail writes of less than 4 bytes */
 845         if (size > 0)
 846         {
 847                 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
 848                         return retval;
 849         }
 850
 851         return ERROR_OK;
 852 }
 853
 854
 855 /* Single aligned words are guaranteed to use 16 or 32 bit access
 856  * mode respectively, otherwise data is handled as quickly as
 857  * possible
 858  */
 859 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
 860 {
 861         int retval;
 862
 863         DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
 864
 865         if (((address % 2) == 0) && (size == 2))
 866         {
 867                 return target->type->read_memory(target, address, 2, 1, buffer);
 868         }
 869
 870         /* handle unaligned head bytes */
 871         if (address % 4)
 872         {
 873                 int unaligned = 4 - (address % 4);
 874
 875                 if (unaligned > size)
 876                         unaligned = size;
 877
 878                 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
 879                         return retval;
 880
 881                 buffer += unaligned;
 882                 address += unaligned;
 883                 size -= unaligned;
 884         }
 885
 886         /* handle aligned words */
 887         if (size >= 4)
 888         {
 889                 int aligned = size - (size % 4);
 890
 891                 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
 892                         return retval;
 893
 894                 buffer += aligned;
 895                 address += aligned;
 896                 size -= aligned;
 897         }
 898
 899         /* handle tail writes of less than 4 bytes */
 900         if (size > 0)
 901         {
 902                 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
 903                         return retval;
 904         }
 905
 906         return ERROR_OK;
 907 }
 908
 909 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
 910 {
 911         u8 *buffer;
 912         int retval;
 913         int i;
 914         u32 checksum = 0;
 915
 916         if ((retval = target->type->checksum_memory(target, address,
 917                 size, &checksum)) == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
 918         {
 919                 buffer = malloc(size);
 920                 if (buffer == NULL)
 921                 {
 922                         ERROR("error allocating buffer for section (%d bytes)", size);
 923                         return ERROR_INVALID_ARGUMENTS;
 924                 }
 925                 retval = target_read_buffer(target, address, size, buffer);
 926                 if (retval != ERROR_OK)
 927                 {
 928                         free(buffer);
 929                         return retval;
 930                 }
 931
 932                 /* convert to target endianess */
 933                 for (i = 0; i < (size/sizeof(u32)); i++)
 934                 {
 935                         u32 target_data;
 936                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
 937                         target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
 938                 }
 939
 940                 retval = image_calculate_checksum( buffer, size, &checksum );
 941                 free(buffer);
 942         }
 943
 944         *crc = checksum;
 945
 946         return retval;
 947 }
 948
 949 int target_read_u32(struct target_s *target, u32 address, u32 *value)
 950 {
 951         u8 value_buf[4];
 952
 953         int retval = target->type->read_memory(target, address, 4, 1, value_buf);
 954
 955         if (retval == ERROR_OK)
 956         {
 957                 *value = target_buffer_get_u32(target, value_buf);
 958                 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
 959         }
 960         else
 961         {
 962                 *value = 0x0;
 963                 DEBUG("address: 0x%8.8x failed", address);
 964         }
 965
 966         return retval;
 967 }
 968
 969 int target_read_u16(struct target_s *target, u32 address, u16 *value)
 970 {
 971         u8 value_buf[2];
 972
 973         int retval = target->type->read_memory(target, address, 2, 1, value_buf);
 974
 975         if (retval == ERROR_OK)
 976         {
 977                 *value = target_buffer_get_u16(target, value_buf);
 978                 DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
 979         }
 980         else
 981         {
 982                 *value = 0x0;
 983                 DEBUG("address: 0x%8.8x failed", address);
 984         }
 985
 986         return retval;
 987 }
 988
 989 int target_read_u8(struct target_s *target, u32 address, u8 *value)
 990 {
 991         int retval = target->type->read_memory(target, address, 1, 1, value);
 992
 993         if (retval == ERROR_OK)
 994         {
 995                 DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
 996         }
 997         else
 998         {
 999                 *value = 0x0;
1000                 DEBUG("address: 0x%8.8x failed", address);
1001         }
1002
1003         return retval;
1004 }
1005
1006 int target_write_u32(struct target_s *target, u32 address, u32 value)
1007 {
1008         int retval;
1009         u8 value_buf[4];
1010
1011         DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1012
1013         target_buffer_set_u32(target, value_buf, value);
1014         if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1015         {
1016                 DEBUG("failed: %i", retval);
1017         }
1018
1019         return retval;
1020 }
1021
1022 int target_write_u16(struct target_s *target, u32 address, u16 value)
1023 {
1024         int retval;
1025         u8 value_buf[2];
1026
1027         DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1028
1029         target_buffer_set_u16(target, value_buf, value);
1030         if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1031         {
1032                 DEBUG("failed: %i", retval);
1033         }
1034
1035         return retval;
1036 }
1037
1038 int target_write_u8(struct target_s *target, u32 address, u8 value)
1039 {
1040         int retval;
1041
1042         DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1043
1044         if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
1045         {
1046                 DEBUG("failed: %i", retval);
1047         }
1048
1049         return retval;
1050 }
1051
1052 int target_register_user_commands(struct command_context_s *cmd_ctx)
1053 {
1054         register_command(cmd_ctx,  NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
1055         register_command(cmd_ctx,  NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1056         register_command(cmd_ctx,  NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1057         register_command(cmd_ctx,  NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1058         register_command(cmd_ctx,  NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1059         register_command(cmd_ctx,  NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1060         register_command(cmd_ctx,  NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
1061         register_command(cmd_ctx,  NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1062
1063         register_command(cmd_ctx,  NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1064         register_command(cmd_ctx,  NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1065         register_command(cmd_ctx,  NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1066
1067         register_command(cmd_ctx,  NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value>");
1068         register_command(cmd_ctx,  NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value>");
1069         register_command(cmd_ctx,  NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value>");
1070
1071         register_command(cmd_ctx,  NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1072         register_command(cmd_ctx,  NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1073         register_command(cmd_ctx,  NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1074         register_command(cmd_ctx,  NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1075
1076         register_command(cmd_ctx,  NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19']");
1077         register_command(cmd_ctx,  NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1078         register_command(cmd_ctx,  NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1079         register_command(cmd_ctx,  NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
1080         register_command(cmd_ctx,  NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
1081
1082         target_request_register_commands(cmd_ctx);
1083         trace_register_commands(cmd_ctx);
1084
1085         return ERROR_OK;
1086 }
1087
1088 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1089 {
1090         target_t *target = targets;
1091         int count = 0;
1092
1093         if (argc == 1)
1094         {
1095                 int num = strtoul(args[0], NULL, 0);
1096
1097                 while (target)
1098                 {
1099                         count++;
1100                         target = target->next;
1101                 }
1102
1103                 if (num < count)
1104                         cmd_ctx->current_target = num;
1105                 else
1106                         command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
1107
1108                 return ERROR_OK;
1109         }
1110
1111         while (target)
1112         {
1113                 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
1114                 target = target->next;
1115         }
1116
1117         return ERROR_OK;
1118 }
1119
1120 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1121 {
1122         int i;
1123         int found = 0;
1124
1125         if (argc < 3)
1126         {
1127                 return ERROR_COMMAND_SYNTAX_ERROR;
1128         }
1129
1130         /* search for the specified target */
1131         if (args[0] && (args[0][0] != 0))
1132         {
1133                 for (i = 0; target_types[i]; i++)
1134                 {
1135                         if (strcmp(args[0], target_types[i]->name) == 0)
1136                         {
1137                                 target_t **last_target_p = &targets;
1138
1139                                 /* register target specific commands */
1140                                 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
1141                                 {
1142                                         ERROR("couldn't register '%s' commands", args[0]);
1143                                         exit(-1);
1144                                 }
1145
1146                                 if (*last_target_p)
1147                                 {
1148                                         while ((*last_target_p)->next)
1149                                                 last_target_p = &((*last_target_p)->next);
1150                                         last_target_p = &((*last_target_p)->next);
1151                                 }
1152
1153                                 *last_target_p = malloc(sizeof(target_t));
1154
1155                                 (*last_target_p)->type = target_types[i];
1156
1157                                 if (strcmp(args[1], "big") == 0)
1158                                         (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
1159                                 else if (strcmp(args[1], "little") == 0)
1160                                         (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
1161                                 else
1162                                 {
1163                                         ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
1164                                         return ERROR_COMMAND_SYNTAX_ERROR;
1165                                 }
1166
1167                                 /* what to do on a target reset */
1168                                 if (strcmp(args[2], "reset_halt") == 0)
1169                                         (*last_target_p)->reset_mode = RESET_HALT;
1170                                 else if (strcmp(args[2], "reset_run") == 0)
1171                                         (*last_target_p)->reset_mode = RESET_RUN;
1172                                 else if (strcmp(args[2], "reset_init") == 0)
1173                                         (*last_target_p)->reset_mode = RESET_INIT;
1174                                 else if (strcmp(args[2], "run_and_halt") == 0)
1175                                         (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
1176                                 else if (strcmp(args[2], "run_and_init") == 0)
1177                                         (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
1178                                 else
1179                                 {
1180                                         ERROR("unknown target startup mode %s", args[2]);
1181                                         return ERROR_COMMAND_SYNTAX_ERROR;
1182                                 }
1183                                 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
1184
1185                                 (*last_target_p)->reset_script = NULL;
1186                                 (*last_target_p)->post_halt_script = NULL;
1187                                 (*last_target_p)->pre_resume_script = NULL;
1188                                 (*last_target_p)->gdb_program_script = NULL;
1189
1190                                 (*last_target_p)->working_area = 0x0;
1191                                 (*last_target_p)->working_area_size = 0x0;
1192                                 (*last_target_p)->working_areas = NULL;
1193                                 (*last_target_p)->backup_working_area = 0;
1194
1195                                 (*last_target_p)->state = TARGET_UNKNOWN;
1196                                 (*last_target_p)->debug_reason = DBG_REASON_UNDEFINED;
1197                                 (*last_target_p)->reg_cache = NULL;
1198                                 (*last_target_p)->breakpoints = NULL;
1199                                 (*last_target_p)->watchpoints = NULL;
1200                                 (*last_target_p)->next = NULL;
1201                                 (*last_target_p)->arch_info = NULL;
1202
1203                                 /* initialize trace information */
1204                                 (*last_target_p)->trace_info = malloc(sizeof(trace_t));
1205                                 (*last_target_p)->trace_info->num_trace_points = 0;
1206                                 (*last_target_p)->trace_info->trace_points_size = 0;
1207                                 (*last_target_p)->trace_info->trace_points = NULL;
1208                                 (*last_target_p)->trace_info->trace_history_size = 0;
1209                                 (*last_target_p)->trace_info->trace_history = NULL;
1210                                 (*last_target_p)->trace_info->trace_history_pos = 0;
1211                                 (*last_target_p)->trace_info->trace_history_overflowed = 0;
1212
1213                                 (*last_target_p)->dbgmsg = NULL;
1214                                 (*last_target_p)->dbg_msg_enabled = 0;
1215
1216                                 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
1217
1218                                 found = 1;
1219                                 break;
1220                         }
1221                 }
1222         }
1223
1224         /* no matching target found */
1225         if (!found)
1226         {
1227                 ERROR("target '%s' not found", args[0]);
1228                 return ERROR_COMMAND_SYNTAX_ERROR;
1229         }
1230
1231         return ERROR_OK;
1232 }
1233
1234 /* usage: target_script <target#> <event> <script_file> */
1235 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1236 {
1237         target_t *target = NULL;
1238
1239         if (argc < 3)
1240         {
1241                 ERROR("incomplete target_script command");
1242                 return ERROR_COMMAND_SYNTAX_ERROR;
1243         }
1244
1245         target = get_target_by_num(strtoul(args[0], NULL, 0));
1246
1247         if (!target)
1248         {
1249                 return ERROR_COMMAND_SYNTAX_ERROR;
1250         }
1251
1252         if (strcmp(args[1], "reset") == 0)
1253         {
1254                 if (target->reset_script)
1255                         free(target->reset_script);
1256                 target->reset_script = strdup(args[2]);
1257         }
1258         else if (strcmp(args[1], "post_halt") == 0)
1259         {
1260                 if (target->post_halt_script)
1261                         free(target->post_halt_script);
1262                 target->post_halt_script = strdup(args[2]);
1263         }
1264         else if (strcmp(args[1], "pre_resume") == 0)
1265         {
1266                 if (target->pre_resume_script)
1267                         free(target->pre_resume_script);
1268                 target->pre_resume_script = strdup(args[2]);
1269         }
1270         else if (strcmp(args[1], "gdb_program_config") == 0)
1271         {
1272                 if (target->gdb_program_script)
1273                         free(target->gdb_program_script);
1274                 target->gdb_program_script = strdup(args[2]);
1275         }
1276         else
1277         {
1278                 ERROR("unknown event type: '%s", args[1]);
1279                 return ERROR_COMMAND_SYNTAX_ERROR;
1280         }
1281
1282         return ERROR_OK;
1283 }
1284
1285 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1286 {
1287         target_t *target = NULL;
1288
1289         if (argc < 2)
1290         {
1291                 return ERROR_COMMAND_SYNTAX_ERROR;
1292         }
1293
1294         target = get_target_by_num(strtoul(args[0], NULL, 0));
1295         if (!target)
1296         {
1297                 return ERROR_COMMAND_SYNTAX_ERROR;
1298         }
1299
1300         target->run_and_halt_time = strtoul(args[1], NULL, 0);
1301
1302         return ERROR_OK;
1303 }
1304
1305 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1306 {
1307         target_t *target = NULL;
1308
1309         if ((argc < 4) || (argc > 5))
1310         {
1311                 return ERROR_COMMAND_SYNTAX_ERROR;
1312         }
1313
1314         target = get_target_by_num(strtoul(args[0], NULL, 0));
1315         if (!target)
1316         {
1317                 return ERROR_COMMAND_SYNTAX_ERROR;
1318         }
1319         target_free_all_working_areas(target);
1320
1321         target->working_area_phys = target->working_area_virt = strtoul(args[1], NULL, 0);
1322         if (argc == 5)
1323         {
1324                 target->working_area_virt = strtoul(args[4], NULL, 0);
1325         }
1326         target->working_area_size = strtoul(args[2], NULL, 0);
1327
1328         if (strcmp(args[3], "backup") == 0)
1329         {
1330                 target->backup_working_area = 1;
1331         }
1332         else if (strcmp(args[3], "nobackup") == 0)
1333         {
1334                 target->backup_working_area = 0;
1335         }
1336         else
1337         {
1338                 ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1339                 return ERROR_COMMAND_SYNTAX_ERROR;
1340         }
1341
1342         return ERROR_OK;
1343 }
1344
1345
1346 /* process target state changes */
1347 int handle_target(void *priv)
1348 {
1349         int retval;
1350         target_t *target = targets;
1351
1352         while (target)
1353         {
1354                 /* only poll if target isn't already halted */
1355                 if (target->state != TARGET_HALTED)
1356                 {
1357                         if (target_continous_poll)
1358                                 if ((retval = target->type->poll(target)) != ERROR_OK)
1359                                 {
1360                                         ERROR("couldn't poll target(%d). It's due for a reset.", retval);
1361                                 }
1362                 }
1363
1364                 target = target->next;
1365         }
1366
1367         return ERROR_OK;
1368 }
1369
1370 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1371 {
1372         target_t *target;
1373         reg_t *reg = NULL;
1374         int count = 0;
1375         char *value;
1376
1377         DEBUG("-");
1378
1379         target = get_current_target(cmd_ctx);
1380
1381         /* list all available registers for the current target */
1382         if (argc == 0)
1383         {
1384                 reg_cache_t *cache = target->reg_cache;
1385
1386                 count = 0;
1387                 while(cache)
1388                 {
1389                         int i;
1390                         for (i = 0; i < cache->num_regs; i++)
1391                         {
1392                                 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1393                                 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);
1394                                 free(value);
1395                         }
1396                         cache = cache->next;
1397                 }
1398
1399                 return ERROR_OK;
1400         }
1401
1402         /* access a single register by its ordinal number */
1403         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1404         {
1405                 int num = strtoul(args[0], NULL, 0);
1406                 reg_cache_t *cache = target->reg_cache;
1407
1408                 count = 0;
1409                 while(cache)
1410                 {
1411                         int i;
1412                         for (i = 0; i < cache->num_regs; i++)
1413                         {
1414                                 if (count++ == num)
1415                                 {
1416                                         reg = &cache->reg_list[i];
1417                                         break;
1418                                 }
1419                         }
1420                         if (reg)
1421                                 break;
1422                         cache = cache->next;
1423                 }
1424
1425                 if (!reg)
1426                 {
1427                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1428                         return ERROR_OK;
1429                 }
1430         } else /* access a single register by its name */
1431         {
1432                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1433
1434                 if (!reg)
1435                 {
1436                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1437                         return ERROR_OK;
1438                 }
1439         }
1440
1441         /* display a register */
1442         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1443         {
1444                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1445                         reg->valid = 0;
1446
1447                 if (reg->valid == 0)
1448                 {
1449                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1450                         if (arch_type == NULL)
1451                         {
1452                                 ERROR("BUG: encountered unregistered arch type");
1453                                 return ERROR_OK;
1454                         }
1455                         arch_type->get(reg);
1456                 }
1457                 value = buf_to_str(reg->value, reg->size, 16);
1458                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1459                 free(value);
1460                 return ERROR_OK;
1461         }
1462
1463         /* set register value */
1464         if (argc == 2)
1465         {
1466                 u8 *buf = malloc(CEIL(reg->size, 8));
1467                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1468
1469                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1470                 if (arch_type == NULL)
1471                 {
1472                         ERROR("BUG: encountered unregistered arch type");
1473                         return ERROR_OK;
1474                 }
1475
1476                 arch_type->set(reg, buf);
1477
1478                 value = buf_to_str(reg->value, reg->size, 16);
1479                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1480                 free(value);
1481
1482                 free(buf);
1483
1484                 return ERROR_OK;
1485         }
1486
1487         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1488
1489         return ERROR_OK;
1490 }
1491
1492 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms);
1493
1494 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1495 {
1496         target_t *target = get_current_target(cmd_ctx);
1497
1498         if (argc == 0)
1499         {
1500                 target->type->poll(target);
1501                         target_arch_state(target);
1502         }
1503         else
1504         {
1505                 if (strcmp(args[0], "on") == 0)
1506                 {
1507                         target_continous_poll = 1;
1508                 }
1509                 else if (strcmp(args[0], "off") == 0)
1510                 {
1511                         target_continous_poll = 0;
1512                 }
1513                 else
1514                 {
1515                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1516                 }
1517         }
1518
1519
1520         return ERROR_OK;
1521 }
1522
1523 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1524 {
1525         int ms = 5000;
1526
1527         if (argc > 0)
1528         {
1529                 char *end;
1530
1531                 ms = strtoul(args[0], &end, 0) * 1000;
1532                 if (*end)
1533                 {
1534                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1535                         return ERROR_OK;
1536                 }
1537         }
1538
1539         return wait_state(cmd_ctx, cmd, TARGET_HALTED, ms);
1540 }
1541
1542 static void target_process_events(struct command_context_s *cmd_ctx)
1543 {
1544         target_t *target = get_current_target(cmd_ctx);
1545         target->type->poll(target);
1546         target_call_timer_callbacks_now();
1547 }
1548
1549 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms)
1550 {
1551         int retval;
1552         struct timeval timeout, now;
1553         int once=1;
1554         gettimeofday(&timeout, NULL);
1555         timeval_add_time(&timeout, 0, ms * 1000);
1556
1557         target_t *target = get_current_target(cmd_ctx);
1558         for (;;)
1559         {
1560                 if ((retval=target->type->poll(target))!=ERROR_OK)
1561                         return retval;
1562                 target_call_timer_callbacks_now();
1563                 if (target->state == state)
1564                 {
1565                         break;
1566                 }
1567                 if (once)
1568                 {
1569                         once=0;
1570                         command_print(cmd_ctx, "waiting for target %s...", target_state_strings[state]);
1571                 }
1572
1573                 gettimeofday(&now, NULL);
1574                 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1575                 {
1576                         ERROR("timed out while waiting for target %s", target_state_strings[state]);
1577                         break;
1578                 }
1579         }
1580
1581         return ERROR_OK;
1582 }
1583
1584 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1585 {
1586         int retval;
1587         target_t *target = get_current_target(cmd_ctx);
1588
1589         DEBUG("-");
1590
1591         if ((retval = target->type->halt(target)) != ERROR_OK)
1592         {
1593                 return retval;
1594         }
1595
1596         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1597 }
1598
1599 /* what to do on daemon startup */
1600 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1601 {
1602         if (argc == 1)
1603         {
1604                 if (strcmp(args[0], "attach") == 0)
1605                 {
1606                         startup_mode = DAEMON_ATTACH;
1607                         return ERROR_OK;
1608                 }
1609                 else if (strcmp(args[0], "reset") == 0)
1610                 {
1611                         startup_mode = DAEMON_RESET;
1612                         return ERROR_OK;
1613                 }
1614         }
1615
1616         WARNING("invalid daemon_startup configuration directive: %s", args[0]);
1617         return ERROR_OK;
1618
1619 }
1620
1621 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1622 {
1623         target_t *target = get_current_target(cmd_ctx);
1624
1625         USER("requesting target halt and executing a soft reset");
1626
1627         target->type->soft_reset_halt(target);
1628
1629         return ERROR_OK;
1630 }
1631
1632 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1633 {
1634         target_t *target = get_current_target(cmd_ctx);
1635         enum target_reset_mode reset_mode = target->reset_mode;
1636         enum target_reset_mode save = target->reset_mode;
1637
1638         DEBUG("-");
1639
1640         if (argc >= 1)
1641         {
1642                 if (strcmp("run", args[0]) == 0)
1643                         reset_mode = RESET_RUN;
1644                 else if (strcmp("halt", args[0]) == 0)
1645                         reset_mode = RESET_HALT;
1646                 else if (strcmp("init", args[0]) == 0)
1647                         reset_mode = RESET_INIT;
1648                 else if (strcmp("run_and_halt", args[0]) == 0)
1649                 {
1650                         reset_mode = RESET_RUN_AND_HALT;
1651                         if (argc >= 2)
1652                         {
1653                                 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1654                         }
1655                 }
1656                 else if (strcmp("run_and_init", args[0]) == 0)
1657                 {
1658                         reset_mode = RESET_RUN_AND_INIT;
1659                         if (argc >= 2)
1660                         {
1661                                 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1662                         }
1663                 }
1664                 else
1665                 {
1666                         command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1667                         return ERROR_OK;
1668                 }
1669         }
1670
1671         /* temporarily modify mode of current reset target */
1672         target->reset_mode = reset_mode;
1673
1674         /* reset *all* targets */
1675         target_process_reset(cmd_ctx);
1676
1677         /* Restore default reset mode for this target */
1678     target->reset_mode = save;
1679
1680         return ERROR_OK;
1681 }
1682
1683 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1684 {
1685         int retval;
1686         target_t *target = get_current_target(cmd_ctx);
1687
1688         if (argc == 0)
1689                 retval = target->type->resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1690         else if (argc == 1)
1691                 retval = target->type->resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1692         else
1693         {
1694                 return ERROR_COMMAND_SYNTAX_ERROR;
1695         }
1696
1697         target_process_events(cmd_ctx);
1698
1699         return retval;
1700 }
1701
1702 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1703 {
1704         target_t *target = get_current_target(cmd_ctx);
1705
1706         DEBUG("-");
1707
1708         if (argc == 0)
1709                 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1710
1711         if (argc == 1)
1712                 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1713
1714         return ERROR_OK;
1715 }
1716
1717 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1718 {
1719         const int line_bytecnt = 32;
1720         int count = 1;
1721         int size = 4;
1722         u32 address = 0;
1723         int line_modulo;
1724         int i;
1725
1726         char output[128];
1727         int output_len;
1728
1729         int retval;
1730
1731         u8 *buffer;
1732         target_t *target = get_current_target(cmd_ctx);
1733
1734         if (argc < 1)
1735                 return ERROR_OK;
1736
1737         if (argc == 2)
1738                 count = strtoul(args[1], NULL, 0);
1739
1740         address = strtoul(args[0], NULL, 0);
1741
1742
1743         switch (cmd[2])
1744         {
1745                 case 'w':
1746                         size = 4; line_modulo = line_bytecnt / 4;
1747                         break;
1748                 case 'h':
1749                         size = 2; line_modulo = line_bytecnt / 2;
1750                         break;
1751                 case 'b':
1752                         size = 1; line_modulo = line_bytecnt / 1;
1753                         break;
1754                 default:
1755                         return ERROR_OK;
1756         }
1757
1758         buffer = calloc(count, size);
1759         retval  = target->type->read_memory(target, address, size, count, buffer);
1760         if (retval == ERROR_OK)
1761         {
1762                 output_len = 0;
1763
1764                 for (i = 0; i < count; i++)
1765                 {
1766                         if (i%line_modulo == 0)
1767                                 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1768
1769                         switch (size)
1770                         {
1771                                 case 4:
1772                                         output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1773                                         break;
1774                                 case 2:
1775                                         output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1776                                         break;
1777                                 case 1:
1778                                         output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1779                                         break;
1780                         }
1781
1782                         if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1783                         {
1784                                 command_print(cmd_ctx, output);
1785                                 output_len = 0;
1786                         }
1787                 }
1788         } else
1789         {
1790                 ERROR("Failure examining memory");
1791         }
1792
1793         free(buffer);
1794
1795         return ERROR_OK;
1796 }
1797
1798 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1799 {
1800         u32 address = 0;
1801         u32 value = 0;
1802         int retval;
1803         target_t *target = get_current_target(cmd_ctx);
1804         u8 value_buf[4];
1805
1806         if (argc < 2)
1807                 return ERROR_OK;
1808
1809         address = strtoul(args[0], NULL, 0);
1810         value = strtoul(args[1], NULL, 0);
1811
1812         switch (cmd[2])
1813         {
1814                 case 'w':
1815                         target_buffer_set_u32(target, value_buf, value);
1816                         retval = target->type->write_memory(target, address, 4, 1, value_buf);
1817                         break;
1818                 case 'h':
1819                         target_buffer_set_u16(target, value_buf, value);
1820                         retval = target->type->write_memory(target, address, 2, 1, value_buf);
1821                         break;
1822                 case 'b':
1823                         value_buf[0] = value;
1824                         retval = target->type->write_memory(target, address, 1, 1, value_buf);
1825                         break;
1826                 default:
1827                         return ERROR_OK;
1828         }
1829         if (retval!=ERROR_OK)
1830         {
1831                 ERROR("Failure examining memory");
1832         }
1833
1834         return ERROR_OK;
1835
1836 }
1837
1838 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1839 {
1840         u8 *buffer;
1841         u32 buf_cnt;
1842         u32 image_size;
1843         int i;
1844         int retval;
1845
1846         image_t image;
1847
1848         duration_t duration;
1849         char *duration_text;
1850
1851         target_t *target = get_current_target(cmd_ctx);
1852
1853         if (argc < 1)
1854         {
1855                 command_print(cmd_ctx, "usage: load_image <filename> [address] [type]");
1856                 return ERROR_OK;
1857         }
1858
1859         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
1860         if (argc >= 2)
1861         {
1862                 image.base_address_set = 1;
1863                 image.base_address = strtoul(args[1], NULL, 0);
1864         }
1865         else
1866         {
1867                 image.base_address_set = 0;
1868         }
1869
1870         image.start_address_set = 0;
1871
1872         duration_start_measure(&duration);
1873
1874         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
1875         {
1876                 return ERROR_OK;
1877         }
1878
1879         image_size = 0x0;
1880         retval = ERROR_OK;
1881         for (i = 0; i < image.num_sections; i++)
1882         {
1883                 buffer = malloc(image.sections[i].size);
1884                 if (buffer == NULL)
1885                 {
1886                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
1887                         break;
1888                 }
1889
1890                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
1891                 {
1892                         free(buffer);
1893                         break;
1894                 }
1895                 if ((retval = target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer)) != ERROR_OK)
1896                 {
1897                         free(buffer);
1898                         break;
1899                 }
1900                 image_size += buf_cnt;
1901                 command_print(cmd_ctx, "%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address);
1902
1903                 free(buffer);
1904         }
1905
1906         duration_stop_measure(&duration, &duration_text);
1907         if (retval==ERROR_OK)
1908         {
1909                 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
1910         }
1911         free(duration_text);
1912
1913         image_close(&image);
1914
1915         return retval;
1916
1917 }
1918
1919 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1920 {
1921         fileio_t fileio;
1922
1923         u32 address;
1924         u32 size;
1925         u8 buffer[560];
1926         int retval=ERROR_OK;
1927
1928         duration_t duration;
1929         char *duration_text;
1930
1931         target_t *target = get_current_target(cmd_ctx);
1932
1933         if (argc != 3)
1934         {
1935                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
1936                 return ERROR_OK;
1937         }
1938
1939         address = strtoul(args[1], NULL, 0);
1940         size = strtoul(args[2], NULL, 0);
1941
1942         if ((address & 3) || (size & 3))
1943         {
1944                 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
1945                 return ERROR_OK;
1946         }
1947
1948         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
1949         {
1950                 return ERROR_OK;
1951         }
1952
1953         duration_start_measure(&duration);
1954
1955         while (size > 0)
1956         {
1957                 u32 size_written;
1958                 u32 this_run_size = (size > 560) ? 560 : size;
1959
1960                 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
1961                 if (retval != ERROR_OK)
1962                 {
1963                         break;
1964                 }
1965
1966                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
1967                 if (retval != ERROR_OK)
1968                 {
1969                         break;
1970                 }
1971
1972                 size -= this_run_size;
1973                 address += this_run_size;
1974         }
1975
1976         fileio_close(&fileio);
1977
1978         duration_stop_measure(&duration, &duration_text);
1979         if (retval==ERROR_OK)
1980         {
1981                 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
1982         }
1983         free(duration_text);
1984
1985         return ERROR_OK;
1986 }
1987
1988 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1989 {
1990         u8 *buffer;
1991         u32 buf_cnt;
1992         u32 image_size;
1993         int i;
1994         int retval;
1995         u32 checksum = 0;
1996         u32 mem_checksum = 0;
1997
1998         image_t image;
1999
2000         duration_t duration;
2001         char *duration_text;
2002
2003         target_t *target = get_current_target(cmd_ctx);
2004
2005         if (argc < 1)
2006         {
2007                 command_print(cmd_ctx, "usage: verify_image <file> [offset] [type]");
2008                 return ERROR_OK;
2009         }
2010
2011         if (!target)
2012         {
2013                 ERROR("no target selected");
2014                 return ERROR_OK;
2015         }
2016
2017         duration_start_measure(&duration);
2018
2019         if (argc >= 2)
2020         {
2021                 image.base_address_set = 1;
2022                 image.base_address = strtoul(args[1], NULL, 0);
2023         }
2024         else
2025         {
2026                 image.base_address_set = 0;
2027                 image.base_address = 0x0;
2028         }
2029
2030         image.start_address_set = 0;
2031
2032         if (image_open(&image, args[0], (argc == 3) ? args[2] : NULL) != ERROR_OK)
2033         {
2034                 return ERROR_OK;
2035         }
2036
2037         image_size = 0x0;
2038         retval=ERROR_OK;
2039         for (i = 0; i < image.num_sections; i++)
2040         {
2041                 buffer = malloc(image.sections[i].size);
2042                 if (buffer == NULL)
2043                 {
2044                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2045                         break;
2046                 }
2047                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2048                 {
2049                         free(buffer);
2050                         break;
2051                 }
2052
2053                 /* calculate checksum of image */
2054                 image_calculate_checksum( buffer, buf_cnt, &checksum );
2055
2056                 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2057                 if( retval != ERROR_OK )
2058                 {
2059                         free(buffer);
2060                         break;
2061                 }
2062
2063                 if( checksum != mem_checksum )
2064                 {
2065                         /* failed crc checksum, fall back to a binary compare */
2066                         u8 *data;
2067
2068                         command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2069
2070                         data = (u8*)malloc(buf_cnt);
2071
2072                         /* Can we use 32bit word accesses? */
2073                         int size = 1;
2074                         int count = buf_cnt;
2075                         if ((count % 4) == 0)
2076                         {
2077                                 size *= 4;
2078                                 count /= 4;
2079                         }
2080                         retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2081                         if (retval == ERROR_OK)
2082                         {
2083                                 int t;
2084                                 for (t = 0; t < buf_cnt; t++)
2085                                 {
2086                                         if (data[t] != buffer[t])
2087                                         {
2088                                                 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]);
2089                                                 free(data);
2090                                                 free(buffer);
2091                                                 retval=ERROR_FAIL;
2092                                                 goto done;
2093                                         }
2094                                 }
2095                         }
2096
2097                         free(data);
2098                 }
2099
2100                 free(buffer);
2101                 image_size += buf_cnt;
2102         }
2103 done:
2104         duration_stop_measure(&duration, &duration_text);
2105         if (retval==ERROR_OK)
2106         {
2107                 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2108         }
2109         free(duration_text);
2110
2111         image_close(&image);
2112
2113         return retval;
2114 }
2115
2116 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2117 {
2118         int retval;
2119         target_t *target = get_current_target(cmd_ctx);
2120
2121         if (argc == 0)
2122         {
2123                 breakpoint_t *breakpoint = target->breakpoints;
2124
2125                 while (breakpoint)
2126                 {
2127                         if (breakpoint->type == BKPT_SOFT)
2128                         {
2129                                 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2130                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2131                                 free(buf);
2132                         }
2133                         else
2134                         {
2135                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2136                         }
2137                         breakpoint = breakpoint->next;
2138                 }
2139         }
2140         else if (argc >= 2)
2141         {
2142                 int hw = BKPT_SOFT;
2143                 u32 length = 0;
2144
2145                 length = strtoul(args[1], NULL, 0);
2146
2147                 if (argc >= 3)
2148                         if (strcmp(args[2], "hw") == 0)
2149                                 hw = BKPT_HARD;
2150
2151                 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2152                 {
2153                         ERROR("Failure setting breakpoints");
2154                 }
2155                 else
2156                 {
2157                         command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2158                 }
2159         }
2160         else
2161         {
2162                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2163         }
2164
2165         return ERROR_OK;
2166 }
2167
2168 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2169 {
2170         target_t *target = get_current_target(cmd_ctx);
2171
2172         if (argc > 0)
2173                 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2174
2175         return ERROR_OK;
2176 }
2177
2178 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2179 {
2180         target_t *target = get_current_target(cmd_ctx);
2181         int retval;
2182
2183         if (argc == 0)
2184         {
2185                 watchpoint_t *watchpoint = target->watchpoints;
2186
2187                 while (watchpoint)
2188                 {
2189                         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);
2190                         watchpoint = watchpoint->next;
2191                 }
2192         }
2193         else if (argc >= 2)
2194         {
2195                 enum watchpoint_rw type = WPT_ACCESS;
2196                 u32 data_value = 0x0;
2197                 u32 data_mask = 0xffffffff;
2198
2199                 if (argc >= 3)
2200                 {
2201                         switch(args[2][0])
2202                         {
2203                                 case 'r':
2204                                         type = WPT_READ;
2205                                         break;
2206                                 case 'w':
2207                                         type = WPT_WRITE;
2208                                         break;
2209                                 case 'a':
2210                                         type = WPT_ACCESS;
2211                                         break;
2212                                 default:
2213                                         command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2214                                         return ERROR_OK;
2215                         }
2216                 }
2217                 if (argc >= 4)
2218                 {
2219                         data_value = strtoul(args[3], NULL, 0);
2220                 }
2221                 if (argc >= 5)
2222                 {
2223                         data_mask = strtoul(args[4], NULL, 0);
2224                 }
2225
2226                 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2227                                 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2228                 {
2229                         ERROR("Failure setting breakpoints");
2230                 }
2231         }
2232         else
2233         {
2234                 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2235         }
2236
2237         return ERROR_OK;
2238 }
2239
2240 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2241 {
2242         target_t *target = get_current_target(cmd_ctx);
2243
2244         if (argc > 0)
2245                 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2246
2247         return ERROR_OK;
2248 }
2249
2250 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2251 {
2252         int retval;
2253         target_t *target = get_current_target(cmd_ctx);
2254         u32 va;
2255         u32 pa;
2256
2257         if (argc != 1)
2258         {
2259                 return ERROR_COMMAND_SYNTAX_ERROR;
2260         }
2261         va = strtoul(args[0], NULL, 0);
2262
2263         retval = target->type->virt2phys(target, va, &pa);
2264         if (retval == ERROR_OK)
2265         {
2266                 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2267         }
2268         else
2269         {
2270                 /* lower levels will have logged a detailed error which is
2271                  * forwarded to telnet/GDB session.
2272                  */
2273         }
2274         return retval;
2275 }