git.sur5r.net Git - 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 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"
 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         /* prepare reset_halt where necessary */
 265         target = targets;
 266         while (target)
 267         {
 268                 if (jtag_reset_config & RESET_SRST_PULLS_TRST)
 269                 {
 270                         switch (target->reset_mode)
 271                         {
 272                                 case RESET_HALT:
 273                                         command_print(cmd_ctx, "nSRST pulls nTRST, falling back to \"reset run_and_halt\"");
 274                                         target->reset_mode = RESET_RUN_AND_HALT;
 275                                         break;
 276                                 case RESET_INIT:
 277                                         command_print(cmd_ctx, "nSRST pulls nTRST, falling back to \"reset run_and_init\"");
 278                                         target->reset_mode = RESET_RUN_AND_INIT;
 279                                         break;
 280                                 default:
 281                                         break;
 282                         }
 283                 }
 284                 switch (target->reset_mode)
 285                 {
 286                         case RESET_HALT:
 287                         case RESET_INIT:
 288                                 target->type->prepare_reset_halt(target);
 289                                 break;
 290                         default:
 291                                 break;
 292                 }
 293                 target = target->next;
 294         }
 295
 296         target = targets;
 297         while (target)
 298         {
 299                 target->type->assert_reset(target);
 300                 target = target->next;
 301         }
 302         jtag_execute_queue();
 303
 304         /* request target halt if necessary, and schedule further action */
 305         target = targets;
 306         while (target)
 307         {
 308                 switch (target->reset_mode)
 309                 {
 310                         case RESET_RUN:
 311                                 /* nothing to do if target just wants to be run */
 312                                 break;
 313                         case RESET_RUN_AND_HALT:
 314                                 /* schedule halt */
 315                                 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
 316                                 break;
 317                         case RESET_RUN_AND_INIT:
 318                                 /* schedule halt */
 319                                 target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
 320                                 target_register_event_callback(target_init_handler, cmd_ctx);
 321                                 break;
 322                         case RESET_HALT:
 323                                 target->type->halt(target);
 324                                 break;
 325                         case RESET_INIT:
 326                                 target->type->halt(target);
 327                                 target_register_event_callback(target_init_handler, cmd_ctx);
 328                                 break;
 329                         default:
 330                                 ERROR("BUG: unknown target->reset_mode");
 331                 }
 332                 target = target->next;
 333         }
 334
 335         target = targets;
 336         while (target)
 337         {
 338                 target->type->deassert_reset(target);
 339                 target = target->next;
 340         }
 341         jtag_execute_queue();
 342
 343         /* Wait for reset to complete, maximum 5 seconds. */
 344         gettimeofday(&timeout, NULL);
 345         timeval_add_time(&timeout, 5, 0);
 346         for(;;)
 347         {
 348                 gettimeofday(&now, NULL);
 349
 350                 target_call_timer_callbacks();
 351
 352                 target = targets;
 353                 while (target)
 354                 {
 355                         target->type->poll(target);
 356                         if ((target->reset_mode == RESET_RUN_AND_INIT) || (target->reset_mode == RESET_RUN_AND_HALT))
 357                         {
 358                                 if (target->state != TARGET_HALTED)
 359                                 {
 360                                         if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
 361                                         {
 362                                                 command_print(cmd_ctx, "Timed out waiting for reset");
 363                                                 goto done;
 364                                         }
 365                                         usleep(100*1000); /* Do not eat all cpu */
 366                                         goto again;
 367                                 }
 368                         }
 369                         target = target->next;
 370                 }
 371                 /* All targets we're waiting for are halted */
 372                 break;
 373
 374                 again:;
 375         }
 376         done:
 377
 378
 379         /* We want any events to be processed before the prompt */
 380         target_call_timer_callbacks();
 381
 382         return retval;
 383 }
 384
 385 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
 386 {
 387         *physical = virtual;
 388         return ERROR_OK;
 389 }
 390
 391 static int default_mmu(struct target_s *target, int *enabled)
 392 {
 393         *enabled = 0;
 394         return ERROR_OK;
 395 }
 396
 397 int target_init(struct command_context_s *cmd_ctx)
 398 {
 399         target_t *target = targets;
 400
 401         while (target)
 402         {
 403                 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
 404                 {
 405                         ERROR("target '%s' init failed", target->type->name);
 406                         exit(-1);
 407                 }
 408
 409                 /* Set up default functions if none are provided by target */
 410                 if (target->type->virt2phys == NULL)
 411                 {
 412                         target->type->virt2phys = default_virt2phys;
 413                 }
 414                 if (target->type->mmu == NULL)
 415                 {
 416                         target->type->mmu = default_mmu;
 417                 }
 418                 target = target->next;
 419         }
 420
 421         if (targets)
 422         {
 423                 target_register_user_commands(cmd_ctx);
 424                 target_register_timer_callback(handle_target, 100, 1, NULL);
 425         }
 426
 427         return ERROR_OK;
 428 }
 429
 430 int target_init_reset(struct command_context_s *cmd_ctx)
 431 {
 432         if (startup_mode == DAEMON_RESET)
 433                 target_process_reset(cmd_ctx);
 434
 435         return ERROR_OK;
 436 }
 437
 438 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 439 {
 440         target_event_callback_t **callbacks_p = &target_event_callbacks;
 441
 442         if (callback == NULL)
 443         {
 444                 return ERROR_INVALID_ARGUMENTS;
 445         }
 446
 447         if (*callbacks_p)
 448         {
 449                 while ((*callbacks_p)->next)
 450                         callbacks_p = &((*callbacks_p)->next);
 451                 callbacks_p = &((*callbacks_p)->next);
 452         }
 453
 454         (*callbacks_p) = malloc(sizeof(target_event_callback_t));
 455         (*callbacks_p)->callback = callback;
 456         (*callbacks_p)->priv = priv;
 457         (*callbacks_p)->next = NULL;
 458
 459         return ERROR_OK;
 460 }
 461
 462 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
 463 {
 464         target_timer_callback_t **callbacks_p = &target_timer_callbacks;
 465         struct timeval now;
 466
 467         if (callback == NULL)
 468         {
 469                 return ERROR_INVALID_ARGUMENTS;
 470         }
 471
 472         if (*callbacks_p)
 473         {
 474                 while ((*callbacks_p)->next)
 475                         callbacks_p = &((*callbacks_p)->next);
 476                 callbacks_p = &((*callbacks_p)->next);
 477         }
 478
 479         (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
 480         (*callbacks_p)->callback = callback;
 481         (*callbacks_p)->periodic = periodic;
 482         (*callbacks_p)->time_ms = time_ms;
 483
 484         gettimeofday(&now, NULL);
 485         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 486         time_ms -= (time_ms % 1000);
 487         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
 488         if ((*callbacks_p)->when.tv_usec > 1000000)
 489         {
 490                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
 491                 (*callbacks_p)->when.tv_sec += 1;
 492         }
 493
 494         (*callbacks_p)->priv = priv;
 495         (*callbacks_p)->next = NULL;
 496
 497         return ERROR_OK;
 498 }
 499
 500 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 501 {
 502         target_event_callback_t **p = &target_event_callbacks;
 503         target_event_callback_t *c = target_event_callbacks;
 504
 505         if (callback == NULL)
 506         {
 507                 return ERROR_INVALID_ARGUMENTS;
 508         }
 509
 510         while (c)
 511         {
 512                 target_event_callback_t *next = c->next;
 513                 if ((c->callback == callback) && (c->priv == priv))
 514                 {
 515                         *p = next;
 516                         free(c);
 517                         return ERROR_OK;
 518                 }
 519                 else
 520                         p = &(c->next);
 521                 c = next;
 522         }
 523
 524         return ERROR_OK;
 525 }
 526
 527 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
 528 {
 529         target_timer_callback_t **p = &target_timer_callbacks;
 530         target_timer_callback_t *c = target_timer_callbacks;
 531
 532         if (callback == NULL)
 533         {
 534                 return ERROR_INVALID_ARGUMENTS;
 535         }
 536
 537         while (c)
 538         {
 539                 target_timer_callback_t *next = c->next;
 540                 if ((c->callback == callback) && (c->priv == priv))
 541                 {
 542                         *p = next;
 543                         free(c);
 544                         return ERROR_OK;
 545                 }
 546                 else
 547                         p = &(c->next);
 548                 c = next;
 549         }
 550
 551         return ERROR_OK;
 552 }
 553
 554 int target_call_event_callbacks(target_t *target, enum target_event event)
 555 {
 556         target_event_callback_t *callback = target_event_callbacks;
 557         target_event_callback_t *next_callback;
 558
 559         DEBUG("target event %i", event);
 560
 561         while (callback)
 562         {
 563                 next_callback = callback->next;
 564                 callback->callback(target, event, callback->priv);
 565                 callback = next_callback;
 566         }
 567
 568         return ERROR_OK;
 569 }
 570
 571 int target_call_timer_callbacks()
 572 {
 573         target_timer_callback_t *callback = target_timer_callbacks;
 574         target_timer_callback_t *next_callback;
 575         struct timeval now;
 576
 577         gettimeofday(&now, NULL);
 578
 579         while (callback)
 580         {
 581                 next_callback = callback->next;
 582
 583                 if (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
 584                         || (now.tv_sec > callback->when.tv_sec))
 585                 {
 586                         callback->callback(callback->priv);
 587                         if (callback->periodic)
 588                         {
 589                                 int time_ms = callback->time_ms;
 590                                 callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 591                                 time_ms -= (time_ms % 1000);
 592                                 callback->when.tv_sec = now.tv_sec + time_ms / 1000;
 593                                 if (callback->when.tv_usec > 1000000)
 594                                 {
 595                                         callback->when.tv_usec = callback->when.tv_usec - 1000000;
 596                                         callback->when.tv_sec += 1;
 597                                 }
 598                         }
 599                         else
 600                                 target_unregister_timer_callback(callback->callback, callback->priv);
 601                 }
 602
 603                 callback = next_callback;
 604         }
 605
 606         return ERROR_OK;
 607 }
 608
 609 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
 610 {
 611         working_area_t *c = target->working_areas;
 612         working_area_t *new_wa = NULL;
 613
 614         /* Reevaluate working area address based on MMU state*/
 615         if (target->working_areas == NULL)
 616         {
 617                 int retval;
 618                 int enabled;
 619                 retval = target->type->mmu(target, &enabled);
 620                 if (retval != ERROR_OK)
 621                 {
 622                         return retval;
 623                 }
 624                 if (enabled)
 625                 {
 626                         target->working_area = target->working_area_virt;
 627                 }
 628                 else
 629                 {
 630                         target->working_area = target->working_area_phys;
 631                 }
 632         }
 633
 634         /* only allocate multiples of 4 byte */
 635         if (size % 4)
 636         {
 637                 ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
 638                 size = CEIL(size, 4);
 639         }
 640
 641         /* see if there's already a matching working area */
 642         while (c)
 643         {
 644                 if ((c->free) && (c->size == size))
 645                 {
 646                         new_wa = c;
 647                         break;
 648                 }
 649                 c = c->next;
 650         }
 651
 652         /* if not, allocate a new one */
 653         if (!new_wa)
 654         {
 655                 working_area_t **p = &target->working_areas;
 656                 u32 first_free = target->working_area;
 657                 u32 free_size = target->working_area_size;
 658
 659                 DEBUG("allocating new working area");
 660
 661                 c = target->working_areas;
 662                 while (c)
 663                 {
 664                         first_free += c->size;
 665                         free_size -= c->size;
 666                         p = &c->next;
 667                         c = c->next;
 668                 }
 669
 670                 if (free_size < size)
 671                 {
 672                         WARNING("not enough working area available(requested %d, free %d)", size, free_size);
 673                         return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
 674                 }
 675
 676                 new_wa = malloc(sizeof(working_area_t));
 677                 new_wa->next = NULL;
 678                 new_wa->size = size;
 679                 new_wa->address = first_free;
 680
 681                 if (target->backup_working_area)
 682                 {
 683                         new_wa->backup = malloc(new_wa->size);
 684                         target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
 685                 }
 686                 else
 687                 {
 688                         new_wa->backup = NULL;
 689                 }
 690
 691                 /* put new entry in list */
 692                 *p = new_wa;
 693         }
 694
 695         /* mark as used, and return the new (reused) area */
 696         new_wa->free = 0;
 697         *area = new_wa;
 698
 699         /* user pointer */
 700         new_wa->user = area;
 701
 702         return ERROR_OK;
 703 }
 704
 705 int target_free_working_area(struct target_s *target, working_area_t *area)
 706 {
 707         if (area->free)
 708                 return ERROR_OK;
 709
 710         if (target->backup_working_area)
 711                 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
 712
 713         area->free = 1;
 714
 715         /* mark user pointer invalid */
 716         *area->user = NULL;
 717         area->user = NULL;
 718
 719         return ERROR_OK;
 720 }
 721
 722 int target_free_all_working_areas(struct target_s *target)
 723 {
 724         working_area_t *c = target->working_areas;
 725
 726         while (c)
 727         {
 728                 working_area_t *next = c->next;
 729                 target_free_working_area(target, c);
 730
 731                 if (c->backup)
 732                         free(c->backup);
 733
 734                 free(c);
 735
 736                 c = next;
 737         }
 738
 739         target->working_areas = NULL;
 740
 741         return ERROR_OK;
 742 }
 743
 744 int target_register_commands(struct command_context_s *cmd_ctx)
 745 {
 746         register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, NULL);
 747         register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
 748         register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG, NULL);
 749         register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
 750         register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, NULL);
 751         register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, "working_area <target#> <address> <size> <'backup'|'nobackup'> [virtual address]");
 752         register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "virt2phys <virtual address>");
 753
 754         return ERROR_OK;
 755 }
 756
 757 int target_arch_state(struct target_s *target)
 758 {
 759         int retval;
 760         if (target==NULL)
 761         {
 762                 USER("No target has been configured");
 763                 return ERROR_OK;
 764         }
 765
 766         USER("target state: %s", target_state_strings[target->state]);
 767
 768         if (target->state!=TARGET_HALTED)
 769                 return ERROR_OK;
 770
 771         retval=target->type->arch_state(target);
 772         return retval;
 773 }
 774
 775 /* Single aligned words are guaranteed to use 16 or 32 bit access
 776  * mode respectively, otherwise data is handled as quickly as
 777  * possible
 778  */
 779 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
 780 {
 781         int retval;
 782
 783         DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
 784
 785         if (((address % 2) == 0) && (size == 2))
 786         {
 787                 return target->type->write_memory(target, address, 2, 1, buffer);
 788         }
 789
 790         /* handle unaligned head bytes */
 791         if (address % 4)
 792         {
 793                 int unaligned = 4 - (address % 4);
 794
 795                 if (unaligned > size)
 796                         unaligned = size;
 797
 798                 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
 799                         return retval;
 800
 801                 buffer += unaligned;
 802                 address += unaligned;
 803                 size -= unaligned;
 804         }
 805
 806         /* handle aligned words */
 807         if (size >= 4)
 808         {
 809                 int aligned = size - (size % 4);
 810
 811                 /* use bulk writes above a certain limit. This may have to be changed */
 812                 if (aligned > 128)
 813                 {
 814                         if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
 815                                 return retval;
 816                 }
 817                 else
 818                 {
 819                         if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
 820                                 return retval;
 821                 }
 822
 823                 buffer += aligned;
 824                 address += aligned;
 825                 size -= aligned;
 826         }
 827
 828         /* handle tail writes of less than 4 bytes */
 829         if (size > 0)
 830         {
 831                 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
 832                         return retval;
 833         }
 834
 835         return ERROR_OK;
 836 }
 837
 838
 839 /* Single aligned words are guaranteed to use 16 or 32 bit access
 840  * mode respectively, otherwise data is handled as quickly as
 841  * possible
 842  */
 843 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
 844 {
 845         int retval;
 846
 847         DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
 848
 849         if (((address % 2) == 0) && (size == 2))
 850         {
 851                 return target->type->read_memory(target, address, 2, 1, buffer);
 852         }
 853
 854         /* handle unaligned head bytes */
 855         if (address % 4)
 856         {
 857                 int unaligned = 4 - (address % 4);
 858
 859                 if (unaligned > size)
 860                         unaligned = size;
 861
 862                 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
 863                         return retval;
 864
 865                 buffer += unaligned;
 866                 address += unaligned;
 867                 size -= unaligned;
 868         }
 869
 870         /* handle aligned words */
 871         if (size >= 4)
 872         {
 873                 int aligned = size - (size % 4);
 874
 875                 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
 876                         return retval;
 877
 878                 buffer += aligned;
 879                 address += aligned;
 880                 size -= aligned;
 881         }
 882
 883         /* handle tail writes of less than 4 bytes */
 884         if (size > 0)
 885         {
 886                 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
 887                         return retval;
 888         }
 889
 890         return ERROR_OK;
 891 }
 892
 893 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
 894 {
 895         u8 *buffer;
 896         int retval;
 897         int i;
 898         u32 checksum = 0;
 899
 900         if ((retval = target->type->checksum_memory(target, address,
 901                 size, &checksum)) == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
 902         {
 903                 buffer = malloc(size);
 904                 if (buffer == NULL)
 905                 {
 906                         ERROR("error allocating buffer for section (%d bytes)", size);
 907                         return ERROR_INVALID_ARGUMENTS;
 908                 }
 909                 retval = target_read_buffer(target, address, size, buffer);
 910                 if (retval != ERROR_OK)
 911                 {
 912                         free(buffer);
 913                         return retval;
 914                 }
 915
 916                 /* convert to target endianess */
 917                 for (i = 0; i < (size/sizeof(u32)); i++)
 918                 {
 919                         u32 target_data;
 920                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
 921                         target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
 922                 }
 923
 924                 retval = image_calculate_checksum( buffer, size, &checksum );
 925                 free(buffer);
 926         }
 927
 928         *crc = checksum;
 929
 930         return retval;
 931 }
 932
 933 int target_read_u32(struct target_s *target, u32 address, u32 *value)
 934 {
 935         u8 value_buf[4];
 936
 937         int retval = target->type->read_memory(target, address, 4, 1, value_buf);
 938
 939         if (retval == ERROR_OK)
 940         {
 941                 *value = target_buffer_get_u32(target, value_buf);
 942                 DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
 943         }
 944         else
 945         {
 946                 *value = 0x0;
 947                 DEBUG("address: 0x%8.8x failed", address);
 948         }
 949
 950         return retval;
 951 }
 952
 953 int target_read_u16(struct target_s *target, u32 address, u16 *value)
 954 {
 955         u8 value_buf[2];
 956
 957         int retval = target->type->read_memory(target, address, 2, 1, value_buf);
 958
 959         if (retval == ERROR_OK)
 960         {
 961                 *value = target_buffer_get_u16(target, value_buf);
 962                 DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
 963         }
 964         else
 965         {
 966                 *value = 0x0;
 967                 DEBUG("address: 0x%8.8x failed", address);
 968         }
 969
 970         return retval;
 971 }
 972
 973 int target_read_u8(struct target_s *target, u32 address, u8 *value)
 974 {
 975         int retval = target->type->read_memory(target, address, 1, 1, value);
 976
 977         if (retval == ERROR_OK)
 978         {
 979                 DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
 980         }
 981         else
 982         {
 983                 *value = 0x0;
 984                 DEBUG("address: 0x%8.8x failed", address);
 985         }
 986
 987         return retval;
 988 }
 989
 990 int target_write_u32(struct target_s *target, u32 address, u32 value)
 991 {
 992         int retval;
 993         u8 value_buf[4];
 994
 995         DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
 996
 997         target_buffer_set_u32(target, value_buf, value);
 998         if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
 999         {
1000                 DEBUG("failed: %i", retval);
1001         }
1002
1003         return retval;
1004 }
1005
1006 int target_write_u16(struct target_s *target, u32 address, u16 value)
1007 {
1008         int retval;
1009         u8 value_buf[2];
1010
1011         DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1012
1013         target_buffer_set_u16(target, value_buf, value);
1014         if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1015         {
1016                 DEBUG("failed: %i", retval);
1017         }
1018
1019         return retval;
1020 }
1021
1022 int target_write_u8(struct target_s *target, u32 address, u8 value)
1023 {
1024         int retval;
1025
1026         DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1027
1028         if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
1029         {
1030                 DEBUG("failed: %i", retval);
1031         }
1032
1033         return retval;
1034 }
1035
1036 int target_register_user_commands(struct command_context_s *cmd_ctx)
1037 {
1038         register_command(cmd_ctx,  NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
1039         register_command(cmd_ctx,  NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1040         register_command(cmd_ctx,  NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1041         register_command(cmd_ctx,  NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1042         register_command(cmd_ctx,  NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1043         register_command(cmd_ctx,  NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1044         register_command(cmd_ctx,  NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]");
1045         register_command(cmd_ctx,  NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1046
1047         register_command(cmd_ctx,  NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1048         register_command(cmd_ctx,  NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1049         register_command(cmd_ctx,  NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1050
1051         register_command(cmd_ctx,  NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value>");
1052         register_command(cmd_ctx,  NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value>");
1053         register_command(cmd_ctx,  NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value>");
1054
1055         register_command(cmd_ctx,  NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1056         register_command(cmd_ctx,  NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1057         register_command(cmd_ctx,  NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1058         register_command(cmd_ctx,  NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1059
1060         register_command(cmd_ctx,  NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19']");
1061         register_command(cmd_ctx,  NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1062         register_command(cmd_ctx,  NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1063         register_command(cmd_ctx,  NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
1064         register_command(cmd_ctx,  NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
1065
1066         target_request_register_commands(cmd_ctx);
1067         trace_register_commands(cmd_ctx);
1068
1069         return ERROR_OK;
1070 }
1071
1072 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1073 {
1074         target_t *target = targets;
1075         int count = 0;
1076
1077         if (argc == 1)
1078         {
1079                 int num = strtoul(args[0], NULL, 0);
1080
1081                 while (target)
1082                 {
1083                         count++;
1084                         target = target->next;
1085                 }
1086
1087                 if (num < count)
1088                         cmd_ctx->current_target = num;
1089                 else
1090                         command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
1091
1092                 return ERROR_OK;
1093         }
1094
1095         while (target)
1096         {
1097                 command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
1098                 target = target->next;
1099         }
1100
1101         return ERROR_OK;
1102 }
1103
1104 int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1105 {
1106         int i;
1107         int found = 0;
1108
1109         if (argc < 3)
1110         {
1111                 ERROR("target command requires at least three arguments: <type> <endianess> <reset_mode>");
1112                 exit(-1);
1113         }
1114
1115         /* search for the specified target */
1116         if (args[0] && (args[0][0] != 0))
1117         {
1118                 for (i = 0; target_types[i]; i++)
1119                 {
1120                         if (strcmp(args[0], target_types[i]->name) == 0)
1121                         {
1122                                 target_t **last_target_p = &targets;
1123
1124                                 /* register target specific commands */
1125                                 if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
1126                                 {
1127                                         ERROR("couldn't register '%s' commands", args[0]);
1128                                         exit(-1);
1129                                 }
1130
1131                                 if (*last_target_p)
1132                                 {
1133                                         while ((*last_target_p)->next)
1134                                                 last_target_p = &((*last_target_p)->next);
1135                                         last_target_p = &((*last_target_p)->next);
1136                                 }
1137
1138                                 *last_target_p = malloc(sizeof(target_t));
1139
1140                                 (*last_target_p)->type = target_types[i];
1141
1142                                 if (strcmp(args[1], "big") == 0)
1143                                         (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
1144                                 else if (strcmp(args[1], "little") == 0)
1145                                         (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
1146                                 else
1147                                 {
1148                                         ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
1149                                         exit(-1);
1150                                 }
1151
1152                                 /* what to do on a target reset */
1153                                 if (strcmp(args[2], "reset_halt") == 0)
1154                                         (*last_target_p)->reset_mode = RESET_HALT;
1155                                 else if (strcmp(args[2], "reset_run") == 0)
1156                                         (*last_target_p)->reset_mode = RESET_RUN;
1157                                 else if (strcmp(args[2], "reset_init") == 0)
1158                                         (*last_target_p)->reset_mode = RESET_INIT;
1159                                 else if (strcmp(args[2], "run_and_halt") == 0)
1160                                         (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
1161                                 else if (strcmp(args[2], "run_and_init") == 0)
1162                                         (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
1163                                 else
1164                                 {
1165                                         ERROR("unknown target startup mode %s", args[2]);
1166                                         exit(-1);
1167                                 }
1168                                 (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
1169
1170                                 (*last_target_p)->reset_script = NULL;
1171                                 (*last_target_p)->post_halt_script = NULL;
1172                                 (*last_target_p)->pre_resume_script = NULL;
1173                                 (*last_target_p)->gdb_program_script = NULL;
1174
1175                                 (*last_target_p)->working_area = 0x0;
1176                                 (*last_target_p)->working_area_size = 0x0;
1177                                 (*last_target_p)->working_areas = NULL;
1178                                 (*last_target_p)->backup_working_area = 0;
1179
1180                                 (*last_target_p)->state = TARGET_UNKNOWN;
1181                                 (*last_target_p)->reg_cache = NULL;
1182                                 (*last_target_p)->breakpoints = NULL;
1183                                 (*last_target_p)->watchpoints = NULL;
1184                                 (*last_target_p)->next = NULL;
1185                                 (*last_target_p)->arch_info = NULL;
1186
1187                                 /* initialize trace information */
1188                                 (*last_target_p)->trace_info = malloc(sizeof(trace_t));
1189                                 (*last_target_p)->trace_info->num_trace_points = 0;
1190                                 (*last_target_p)->trace_info->trace_points_size = 0;
1191                                 (*last_target_p)->trace_info->trace_points = NULL;
1192                                 (*last_target_p)->trace_info->trace_history_size = 0;
1193                                 (*last_target_p)->trace_info->trace_history = NULL;
1194                                 (*last_target_p)->trace_info->trace_history_pos = 0;
1195                                 (*last_target_p)->trace_info->trace_history_overflowed = 0;
1196
1197                                 (*last_target_p)->dbgmsg = NULL;
1198                                 (*last_target_p)->dbg_msg_enabled = 0;
1199
1200                                 (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p);
1201
1202                                 found = 1;
1203                                 break;
1204                         }
1205                 }
1206         }
1207
1208         /* no matching target found */
1209         if (!found)
1210         {
1211                 ERROR("target '%s' not found", args[0]);
1212                 exit(-1);
1213         }
1214
1215         return ERROR_OK;
1216 }
1217
1218 /* usage: target_script <target#> <event> <script_file> */
1219 int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1220 {
1221         target_t *target = NULL;
1222
1223         if (argc < 3)
1224         {
1225                 ERROR("incomplete target_script command");
1226                 exit(-1);
1227         }
1228
1229         target = get_target_by_num(strtoul(args[0], NULL, 0));
1230
1231         if (!target)
1232         {
1233                 ERROR("target number '%s' not defined", args[0]);
1234                 exit(-1);
1235         }
1236
1237         if (strcmp(args[1], "reset") == 0)
1238         {
1239                 if (target->reset_script)
1240                         free(target->reset_script);
1241                 target->reset_script = strdup(args[2]);
1242         }
1243         else if (strcmp(args[1], "post_halt") == 0)
1244         {
1245                 if (target->post_halt_script)
1246                         free(target->post_halt_script);
1247                 target->post_halt_script = strdup(args[2]);
1248         }
1249         else if (strcmp(args[1], "pre_resume") == 0)
1250         {
1251                 if (target->pre_resume_script)
1252                         free(target->pre_resume_script);
1253                 target->pre_resume_script = strdup(args[2]);
1254         }
1255         else if (strcmp(args[1], "gdb_program_config") == 0)
1256         {
1257                 if (target->gdb_program_script)
1258                         free(target->gdb_program_script);
1259                 target->gdb_program_script = strdup(args[2]);
1260         }
1261         else
1262         {
1263                 ERROR("unknown event type: '%s", args[1]);
1264                 exit(-1);
1265         }
1266
1267         return ERROR_OK;
1268 }
1269
1270 int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1271 {
1272         target_t *target = NULL;
1273
1274         if (argc < 2)
1275         {
1276                 ERROR("incomplete run_and_halt_time command");
1277                 exit(-1);
1278         }
1279
1280         target = get_target_by_num(strtoul(args[0], NULL, 0));
1281
1282         if (!target)
1283         {
1284                 ERROR("target number '%s' not defined", args[0]);
1285                 exit(-1);
1286         }
1287
1288         target->run_and_halt_time = strtoul(args[1], NULL, 0);
1289
1290         return ERROR_OK;
1291 }
1292
1293 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1294 {
1295         target_t *target = NULL;
1296
1297         if ((argc < 4) || (argc > 5))
1298         {
1299                 return ERROR_COMMAND_SYNTAX_ERROR;
1300         }
1301
1302         target = get_target_by_num(strtoul(args[0], NULL, 0));
1303
1304         if (!target)
1305         {
1306                 ERROR("target number '%s' not defined", args[0]);
1307                 exit(-1);
1308         }
1309         target_free_all_working_areas(target);
1310
1311         target->working_area_phys = target->working_area_virt = strtoul(args[1], NULL, 0);
1312         if (argc == 5)
1313         {
1314                 target->working_area_virt = strtoul(args[4], NULL, 0);
1315         }
1316         target->working_area_size = strtoul(args[2], NULL, 0);
1317
1318         if (strcmp(args[3], "backup") == 0)
1319         {
1320                 target->backup_working_area = 1;
1321         }
1322         else if (strcmp(args[3], "nobackup") == 0)
1323         {
1324                 target->backup_working_area = 0;
1325         }
1326         else
1327         {
1328                 ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1329                 return ERROR_COMMAND_SYNTAX_ERROR;
1330         }
1331
1332         return ERROR_OK;
1333 }
1334
1335
1336 /* process target state changes */
1337 int handle_target(void *priv)
1338 {
1339         int retval;
1340         target_t *target = targets;
1341
1342         while (target)
1343         {
1344                 /* only poll if target isn't already halted */
1345                 if (target->state != TARGET_HALTED)
1346                 {
1347                         if (target_continous_poll)
1348                                 if ((retval = target->type->poll(target)) != ERROR_OK)
1349                                 {
1350                                         ERROR("couldn't poll target(%d). It's due for a reset.", retval);
1351                                 }
1352                 }
1353
1354                 target = target->next;
1355         }
1356
1357         return ERROR_OK;
1358 }
1359
1360 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1361 {
1362         target_t *target;
1363         reg_t *reg = NULL;
1364         int count = 0;
1365         char *value;
1366
1367         DEBUG("-");
1368
1369         target = get_current_target(cmd_ctx);
1370
1371         /* list all available registers for the current target */
1372         if (argc == 0)
1373         {
1374                 reg_cache_t *cache = target->reg_cache;
1375
1376                 count = 0;
1377                 while(cache)
1378                 {
1379                         int i;
1380                         for (i = 0; i < cache->num_regs; i++)
1381                         {
1382                                 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1383                                 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);
1384                                 free(value);
1385                         }
1386                         cache = cache->next;
1387                 }
1388
1389                 return ERROR_OK;
1390         }
1391
1392         /* access a single register by its ordinal number */
1393         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1394         {
1395                 int num = strtoul(args[0], NULL, 0);
1396                 reg_cache_t *cache = target->reg_cache;
1397
1398                 count = 0;
1399                 while(cache)
1400                 {
1401                         int i;
1402                         for (i = 0; i < cache->num_regs; i++)
1403                         {
1404                                 if (count++ == num)
1405                                 {
1406                                         reg = &cache->reg_list[i];
1407                                         break;
1408                                 }
1409                         }
1410                         if (reg)
1411                                 break;
1412                         cache = cache->next;
1413                 }
1414
1415                 if (!reg)
1416                 {
1417                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1418                         return ERROR_OK;
1419                 }
1420         } else /* access a single register by its name */
1421         {
1422                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1423
1424                 if (!reg)
1425                 {
1426                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1427                         return ERROR_OK;
1428                 }
1429         }
1430
1431         /* display a register */
1432         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1433         {
1434                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1435                         reg->valid = 0;
1436
1437                 if (reg->valid == 0)
1438                 {
1439                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1440                         if (arch_type == NULL)
1441                         {
1442                                 ERROR("BUG: encountered unregistered arch type");
1443                                 return ERROR_OK;
1444                         }
1445                         arch_type->get(reg);
1446                 }
1447                 value = buf_to_str(reg->value, reg->size, 16);
1448                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1449                 free(value);
1450                 return ERROR_OK;
1451         }
1452
1453         /* set register value */
1454         if (argc == 2)
1455         {
1456                 u8 *buf = malloc(CEIL(reg->size, 8));
1457                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1458
1459                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1460                 if (arch_type == NULL)
1461                 {
1462                         ERROR("BUG: encountered unregistered arch type");
1463                         return ERROR_OK;
1464                 }
1465
1466                 arch_type->set(reg, buf);
1467
1468                 value = buf_to_str(reg->value, reg->size, 16);
1469                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1470                 free(value);
1471
1472                 free(buf);
1473
1474                 return ERROR_OK;
1475         }
1476
1477         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1478
1479         return ERROR_OK;
1480 }
1481
1482 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms);
1483
1484 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1485 {
1486         target_t *target = get_current_target(cmd_ctx);
1487
1488         if (argc == 0)
1489         {
1490                 target->type->poll(target);
1491                         target_arch_state(target);
1492         }
1493         else
1494         {
1495                 if (strcmp(args[0], "on") == 0)
1496                 {
1497                         target_continous_poll = 1;
1498                 }
1499                 else if (strcmp(args[0], "off") == 0)
1500                 {
1501                         target_continous_poll = 0;
1502                 }
1503                 else
1504                 {
1505                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1506                 }
1507         }
1508
1509
1510         return ERROR_OK;
1511 }
1512
1513 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1514 {
1515         int ms = 5000;
1516
1517         if (argc > 0)
1518         {
1519                 char *end;
1520
1521                 ms = strtoul(args[0], &end, 0) * 1000;
1522                 if (*end)
1523                 {
1524                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1525                         return ERROR_OK;
1526                 }
1527         }
1528
1529         return wait_state(cmd_ctx, cmd, TARGET_HALTED, ms);
1530 }
1531
1532 static void target_process_events(struct command_context_s *cmd_ctx)
1533 {
1534         target_t *target = get_current_target(cmd_ctx);
1535         target->type->poll(target);
1536         target_call_timer_callbacks();
1537 }
1538
1539 static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms)
1540 {
1541         int retval;
1542         struct timeval timeout, now;
1543         int once=1;
1544         gettimeofday(&timeout, NULL);
1545         timeval_add_time(&timeout, 0, ms * 1000);
1546
1547         target_t *target = get_current_target(cmd_ctx);
1548         for (;;)
1549         {
1550                 if ((retval=target->type->poll(target))!=ERROR_OK)
1551                         return retval;
1552                 target_call_timer_callbacks();
1553                 if (target->state == state)
1554                 {
1555                         break;
1556                 }
1557                 if (once)
1558                 {
1559                         once=0;
1560                         command_print(cmd_ctx, "waiting for target %s...", target_state_strings[state]);
1561                 }
1562
1563                 gettimeofday(&now, NULL);
1564                 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1565                 {
1566                         ERROR("timed out while waiting for target %s", target_state_strings[state]);
1567                         break;
1568                 }
1569         }
1570
1571         return ERROR_OK;
1572 }
1573
1574 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1575 {
1576         int retval;
1577         target_t *target = get_current_target(cmd_ctx);
1578
1579         DEBUG("-");
1580
1581         command_print(cmd_ctx, "requesting target halt...");
1582
1583         if ((retval = target->type->halt(target)) != ERROR_OK)
1584         {
1585                 switch (retval)
1586                 {
1587                         case ERROR_TARGET_ALREADY_HALTED:
1588                                 command_print(cmd_ctx, "target already halted");
1589                                 break;
1590                         case ERROR_TARGET_TIMEOUT:
1591                                 command_print(cmd_ctx, "target timed out... shutting down");
1592                                 return retval;
1593                         default:
1594                                 command_print(cmd_ctx, "unknown error... shutting down");
1595                                 return retval;
1596                 }
1597         }
1598
1599         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1600 }
1601
1602 /* what to do on daemon startup */
1603 int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1604 {
1605         if (argc == 1)
1606         {
1607                 if (strcmp(args[0], "attach") == 0)
1608                 {
1609                         startup_mode = DAEMON_ATTACH;
1610                         return ERROR_OK;
1611                 }
1612                 else if (strcmp(args[0], "reset") == 0)
1613                 {
1614                         startup_mode = DAEMON_RESET;
1615                         return ERROR_OK;
1616                 }
1617         }
1618
1619         WARNING("invalid daemon_startup configuration directive: %s", args[0]);
1620         return ERROR_OK;
1621
1622 }
1623
1624 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1625 {
1626         target_t *target = get_current_target(cmd_ctx);
1627         int retval;
1628
1629         command_print(cmd_ctx, "requesting target halt and executing a soft reset");
1630
1631         if ((retval = target->type->soft_reset_halt(target)) != ERROR_OK)
1632         {
1633                 switch (retval)
1634                 {
1635                         case ERROR_TARGET_TIMEOUT:
1636                                 command_print(cmd_ctx, "target timed out... shutting down");
1637                                 exit(-1);
1638                         default:
1639                                 command_print(cmd_ctx, "unknown error... shutting down");
1640                                 exit(-1);
1641                 }
1642         }
1643
1644         return ERROR_OK;
1645 }
1646
1647 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1648 {
1649         target_t *target = get_current_target(cmd_ctx);
1650         enum target_reset_mode reset_mode = target->reset_mode;
1651         enum target_reset_mode save = target->reset_mode;
1652
1653         DEBUG("-");
1654
1655         if (argc >= 1)
1656         {
1657                 if (strcmp("run", args[0]) == 0)
1658                         reset_mode = RESET_RUN;
1659                 else if (strcmp("halt", args[0]) == 0)
1660                         reset_mode = RESET_HALT;
1661                 else if (strcmp("init", args[0]) == 0)
1662                         reset_mode = RESET_INIT;
1663                 else if (strcmp("run_and_halt", args[0]) == 0)
1664                 {
1665                         reset_mode = RESET_RUN_AND_HALT;
1666                         if (argc >= 2)
1667                         {
1668                                 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1669                         }
1670                 }
1671                 else if (strcmp("run_and_init", args[0]) == 0)
1672                 {
1673                         reset_mode = RESET_RUN_AND_INIT;
1674                         if (argc >= 2)
1675                         {
1676                                 target->run_and_halt_time = strtoul(args[1], NULL, 0);
1677                         }
1678                 }
1679                 else
1680                 {
1681                         command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
1682                         return ERROR_OK;
1683                 }
1684         }
1685
1686         /* temporarily modify mode of current reset target */
1687         target->reset_mode = reset_mode;
1688
1689         /* reset *all* targets */
1690         target_process_reset(cmd_ctx);
1691
1692         /* Restore default reset mode for this target */
1693     target->reset_mode = save;
1694
1695         return ERROR_OK;
1696 }
1697
1698 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1699 {
1700         int retval;
1701         target_t *target = get_current_target(cmd_ctx);
1702
1703         if (argc == 0)
1704                 retval = target->type->resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1705         else if (argc == 1)
1706                 retval = target->type->resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1707         else
1708         {
1709                 return ERROR_COMMAND_SYNTAX_ERROR;
1710         }
1711
1712         target_process_events(cmd_ctx);
1713
1714         target_arch_state(target);
1715
1716         return retval;
1717 }
1718
1719 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1720 {
1721         target_t *target = get_current_target(cmd_ctx);
1722
1723         DEBUG("-");
1724
1725         if (argc == 0)
1726                 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1727
1728         if (argc == 1)
1729                 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1730
1731         return ERROR_OK;
1732 }
1733
1734 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1735 {
1736         const int line_bytecnt = 32;
1737         int count = 1;
1738         int size = 4;
1739         u32 address = 0;
1740         int line_modulo;
1741         int i;
1742
1743         char output[128];
1744         int output_len;
1745
1746         int retval;
1747
1748         u8 *buffer;
1749         target_t *target = get_current_target(cmd_ctx);
1750
1751         if (argc < 1)
1752                 return ERROR_OK;
1753
1754         if (argc == 2)
1755                 count = strtoul(args[1], NULL, 0);
1756
1757         address = strtoul(args[0], NULL, 0);
1758
1759
1760         switch (cmd[2])
1761         {
1762                 case 'w':
1763                         size = 4; line_modulo = line_bytecnt / 4;
1764                         break;
1765                 case 'h':
1766                         size = 2; line_modulo = line_bytecnt / 2;
1767                         break;
1768                 case 'b':
1769                         size = 1; line_modulo = line_bytecnt / 1;
1770                         break;
1771                 default:
1772                         return ERROR_OK;
1773         }
1774
1775         buffer = calloc(count, size);
1776         retval  = target->type->read_memory(target, address, size, count, buffer);
1777         if (retval != ERROR_OK)
1778         {
1779                 switch (retval)
1780                 {
1781                         case ERROR_TARGET_UNALIGNED_ACCESS:
1782                                 command_print(cmd_ctx, "error: address not aligned");
1783                                 break;
1784                         case ERROR_TARGET_NOT_HALTED:
1785                                 command_print(cmd_ctx, "error: target must be halted for memory accesses");
1786                                 break;
1787                         case ERROR_TARGET_DATA_ABORT:
1788                                 command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1789                                 break;
1790                         default:
1791                                 command_print(cmd_ctx, "error: unknown error");
1792                                 break;
1793                 }
1794                 return ERROR_OK;
1795         }
1796
1797         output_len = 0;
1798
1799         for (i = 0; i < count; i++)
1800         {
1801                 if (i%line_modulo == 0)
1802                         output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1803
1804                 switch (size)
1805                 {
1806                         case 4:
1807                                 output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1808                                 break;
1809                         case 2:
1810                                 output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1811                                 break;
1812                         case 1:
1813                                 output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1814                                 break;
1815                 }
1816
1817                 if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1818                 {
1819                         command_print(cmd_ctx, output);
1820                         output_len = 0;
1821                 }
1822         }
1823
1824         free(buffer);
1825
1826         return ERROR_OK;
1827 }
1828
1829 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1830 {
1831         u32 address = 0;
1832         u32 value = 0;
1833         int retval;
1834         target_t *target = get_current_target(cmd_ctx);
1835         u8 value_buf[4];
1836
1837         if (argc < 2)
1838                 return ERROR_OK;
1839
1840         address = strtoul(args[0], NULL, 0);
1841         value = strtoul(args[1], NULL, 0);
1842
1843         switch (cmd[2])
1844         {
1845                 case 'w':
1846                         target_buffer_set_u32(target, value_buf, value);
1847                         retval = target->type->write_memory(target, address, 4, 1, value_buf);
1848                         break;
1849                 case 'h':
1850                         target_buffer_set_u16(target, value_buf, value);
1851                         retval = target->type->write_memory(target, address, 2, 1, value_buf);
1852                         break;
1853                 case 'b':
1854                         value_buf[0] = value;
1855                         retval = target->type->write_memory(target, address, 1, 1, value_buf);
1856                         break;
1857                 default:
1858                         return ERROR_OK;
1859         }
1860
1861         switch (retval)
1862         {
1863                 case ERROR_TARGET_UNALIGNED_ACCESS:
1864                         command_print(cmd_ctx, "error: address not aligned");
1865                         break;
1866                 case ERROR_TARGET_DATA_ABORT:
1867                         command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
1868                         break;
1869                 case ERROR_TARGET_NOT_HALTED:
1870                         command_print(cmd_ctx, "error: target must be halted for memory accesses");
1871                         break;
1872                 case ERROR_OK:
1873                         break;
1874                 default:
1875                         command_print(cmd_ctx, "error: unknown error");
1876                         break;
1877         }
1878
1879         return ERROR_OK;
1880
1881 }
1882
1883 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1884 {
1885         u8 *buffer;
1886         u32 buf_cnt;
1887         u32 image_size;
1888         int i;
1889         int retval;
1890
1891         image_t image;
1892
1893         duration_t duration;
1894         char *duration_text;
1895
1896         target_t *target = get_current_target(cmd_ctx);
1897
1898         if (argc < 1)
1899         {
1900                 command_print(cmd_ctx, "usage: load_image <filename> [address] [type]");
1901                 return ERROR_OK;
1902         }
1903
1904         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
1905         if (argc >= 2)
1906         {
1907                 image.base_address_set = 1;
1908                 image.base_address = strtoul(args[1], NULL, 0);
1909         }
1910         else
1911         {
1912                 image.base_address_set = 0;
1913         }
1914
1915         image.start_address_set = 0;
1916
1917         duration_start_measure(&duration);
1918
1919         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
1920         {
1921                 return ERROR_OK;
1922         }
1923
1924         image_size = 0x0;
1925         for (i = 0; i < image.num_sections; i++)
1926         {
1927                 buffer = malloc(image.sections[i].size);
1928                 if (buffer == NULL)
1929                 {
1930                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
1931                         break;
1932                 }
1933
1934                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
1935                 {
1936                         ERROR("image_read_section failed with error code: %i", retval);
1937                         command_print(cmd_ctx, "image reading failed, download aborted");
1938                         free(buffer);
1939                         image_close(&image);
1940                         return ERROR_OK;
1941                 }
1942                 target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer);
1943                 image_size += buf_cnt;
1944                 command_print(cmd_ctx, "%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address);
1945
1946                 free(buffer);
1947         }
1948
1949         duration_stop_measure(&duration, &duration_text);
1950         command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
1951         free(duration_text);
1952
1953         image_close(&image);
1954
1955         return ERROR_OK;
1956
1957 }
1958
1959 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1960 {
1961         fileio_t fileio;
1962
1963         u32 address;
1964         u32 size;
1965         u8 buffer[560];
1966         int retval;
1967
1968         duration_t duration;
1969         char *duration_text;
1970
1971         target_t *target = get_current_target(cmd_ctx);
1972
1973         if (argc != 3)
1974         {
1975                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
1976                 return ERROR_OK;
1977         }
1978
1979         address = strtoul(args[1], NULL, 0);
1980         size = strtoul(args[2], NULL, 0);
1981
1982         if ((address & 3) || (size & 3))
1983         {
1984                 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
1985                 return ERROR_OK;
1986         }
1987
1988         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
1989         {
1990                 return ERROR_OK;
1991         }
1992
1993         duration_start_measure(&duration);
1994
1995         while (size > 0)
1996         {
1997                 u32 size_written;
1998                 u32 this_run_size = (size > 560) ? 560 : size;
1999
2000                 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2001                 if (retval != ERROR_OK)
2002                 {
2003                         command_print(cmd_ctx, "Reading memory failed %d", retval);
2004                         break;
2005                 }
2006
2007                 fileio_write(&fileio, this_run_size, buffer, &size_written);
2008
2009                 size -= this_run_size;
2010                 address += this_run_size;
2011         }
2012
2013         fileio_close(&fileio);
2014
2015         duration_stop_measure(&duration, &duration_text);
2016         command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2017         free(duration_text);
2018
2019         return ERROR_OK;
2020 }
2021
2022 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2023 {
2024         u8 *buffer;
2025         u32 buf_cnt;
2026         u32 image_size;
2027         int i;
2028         int retval;
2029         u32 checksum = 0;
2030         u32 mem_checksum = 0;
2031
2032         image_t image;
2033
2034         duration_t duration;
2035         char *duration_text;
2036
2037         target_t *target = get_current_target(cmd_ctx);
2038
2039         if (argc < 1)
2040         {
2041                 command_print(cmd_ctx, "usage: verify_image <file> [offset] [type]");
2042                 return ERROR_OK;
2043         }
2044
2045         if (!target)
2046         {
2047                 ERROR("no target selected");
2048                 return ERROR_OK;
2049         }
2050
2051         duration_start_measure(&duration);
2052
2053         if (argc >= 2)
2054         {
2055                 image.base_address_set = 1;
2056                 image.base_address = strtoul(args[1], NULL, 0);
2057         }
2058         else
2059         {
2060                 image.base_address_set = 0;
2061                 image.base_address = 0x0;
2062         }
2063
2064         image.start_address_set = 0;
2065
2066         if (image_open(&image, args[0], (argc == 3) ? args[2] : NULL) != ERROR_OK)
2067         {
2068                 return ERROR_OK;
2069         }
2070
2071         image_size = 0x0;
2072         for (i = 0; i < image.num_sections; i++)
2073         {
2074                 buffer = malloc(image.sections[i].size);
2075                 if (buffer == NULL)
2076                 {
2077                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2078                         break;
2079                 }
2080                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2081                 {
2082                         ERROR("image_read_section failed with error code: %i", retval);
2083                         command_print(cmd_ctx, "image reading failed, verify aborted");
2084                         free(buffer);
2085                         image_close(&image);
2086                         return ERROR_OK;
2087                 }
2088
2089                 /* calculate checksum of image */
2090                 image_calculate_checksum( buffer, buf_cnt, &checksum );
2091
2092                 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2093
2094                 if( retval != ERROR_OK )
2095                 {
2096                         command_print(cmd_ctx, "could not calculate checksum, verify aborted");
2097                         free(buffer);
2098                         image_close(&image);
2099                         return ERROR_OK;
2100                 }
2101
2102                 if( checksum != mem_checksum )
2103                 {
2104                         /* failed crc checksum, fall back to a binary compare */
2105                         u8 *data;
2106
2107                         command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2108
2109                         data = (u8*)malloc(buf_cnt);
2110
2111                         /* Can we use 32bit word accesses? */
2112                         int size = 1;
2113                         int count = buf_cnt;
2114                         if ((count % 4) == 0)
2115                         {
2116                                 size *= 4;
2117                                 count /= 4;
2118                         }
2119                         retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2120
2121                         if (retval == ERROR_OK)
2122                         {
2123                                 int t;
2124                                 for (t = 0; t < buf_cnt; t++)
2125                                 {
2126                                         if (data[t] != buffer[t])
2127                                         {
2128                                                 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]);
2129                                                 free(data);
2130                                                 free(buffer);
2131                                                 image_close(&image);
2132                                                 return ERROR_OK;
2133                                         }
2134                                 }
2135                         }
2136
2137                         free(data);
2138                 }
2139
2140                 free(buffer);
2141                 image_size += buf_cnt;
2142         }
2143
2144         duration_stop_measure(&duration, &duration_text);
2145         command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2146         free(duration_text);
2147
2148         image_close(&image);
2149
2150         return ERROR_OK;
2151 }
2152
2153 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2154 {
2155         int retval;
2156         target_t *target = get_current_target(cmd_ctx);
2157
2158         if (argc == 0)
2159         {
2160                 breakpoint_t *breakpoint = target->breakpoints;
2161
2162                 while (breakpoint)
2163                 {
2164                         if (breakpoint->type == BKPT_SOFT)
2165                         {
2166                                 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2167                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2168                                 free(buf);
2169                         }
2170                         else
2171                         {
2172                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2173                         }
2174                         breakpoint = breakpoint->next;
2175                 }
2176         }
2177         else if (argc >= 2)
2178         {
2179                 int hw = BKPT_SOFT;
2180                 u32 length = 0;
2181
2182                 length = strtoul(args[1], NULL, 0);
2183
2184                 if (argc >= 3)
2185                         if (strcmp(args[2], "hw") == 0)
2186                                 hw = BKPT_HARD;
2187
2188                 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2189                 {
2190                         switch (retval)
2191                         {
2192                                 case ERROR_TARGET_NOT_HALTED:
2193                                         command_print(cmd_ctx, "target must be halted to set breakpoints");
2194                                         break;
2195                                 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
2196                                         command_print(cmd_ctx, "no more breakpoints available");
2197                                         break;
2198                                 default:
2199                                         command_print(cmd_ctx, "unknown error, breakpoint not set");
2200                                         break;
2201                         }
2202                 }
2203                 else
2204                 {
2205                         command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2206                 }
2207         }
2208         else
2209         {
2210                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2211         }
2212
2213         return ERROR_OK;
2214 }
2215
2216 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2217 {
2218         target_t *target = get_current_target(cmd_ctx);
2219
2220         if (argc > 0)
2221                 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2222
2223         return ERROR_OK;
2224 }
2225
2226 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2227 {
2228         target_t *target = get_current_target(cmd_ctx);
2229         int retval;
2230
2231         if (argc == 0)
2232         {
2233                 watchpoint_t *watchpoint = target->watchpoints;
2234
2235                 while (watchpoint)
2236                 {
2237                         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);
2238                         watchpoint = watchpoint->next;
2239                 }
2240         }
2241         else if (argc >= 2)
2242         {
2243                 enum watchpoint_rw type = WPT_ACCESS;
2244                 u32 data_value = 0x0;
2245                 u32 data_mask = 0xffffffff;
2246
2247                 if (argc >= 3)
2248                 {
2249                         switch(args[2][0])
2250                         {
2251                                 case 'r':
2252                                         type = WPT_READ;
2253                                         break;
2254                                 case 'w':
2255                                         type = WPT_WRITE;
2256                                         break;
2257                                 case 'a':
2258                                         type = WPT_ACCESS;
2259                                         break;
2260                                 default:
2261                                         command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2262                                         return ERROR_OK;
2263                         }
2264                 }
2265                 if (argc >= 4)
2266                 {
2267                         data_value = strtoul(args[3], NULL, 0);
2268                 }
2269                 if (argc >= 5)
2270                 {
2271                         data_mask = strtoul(args[4], NULL, 0);
2272                 }
2273
2274                 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2275                                 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2276                 {
2277                         switch (retval)
2278                         {
2279                                 case ERROR_TARGET_NOT_HALTED:
2280                                         command_print(cmd_ctx, "target must be halted to set watchpoints");
2281                                         break;
2282                                 case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
2283                                         command_print(cmd_ctx, "no more watchpoints available");
2284                                         break;
2285                                 default:
2286                                         command_print(cmd_ctx, "unknown error, watchpoint not set");
2287                                         break;
2288                         }
2289                 }
2290         }
2291         else
2292         {
2293                 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2294         }
2295
2296         return ERROR_OK;
2297 }
2298
2299 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2300 {
2301         target_t *target = get_current_target(cmd_ctx);
2302
2303         if (argc > 0)
2304                 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2305
2306         return ERROR_OK;
2307 }
2308
2309 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2310 {
2311         int retval;
2312         target_t *target = get_current_target(cmd_ctx);
2313         u32 va;
2314         u32 pa;
2315
2316         if (argc != 1)
2317         {
2318                 return ERROR_COMMAND_SYNTAX_ERROR;
2319         }
2320         va = strtoul(args[0], NULL, 0);
2321
2322         retval = target->type->virt2phys(target, va, &pa);
2323         if (retval == ERROR_OK)
2324         {
2325                 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2326         }
2327         else
2328         {
2329                 /* lower levels will have logged a detailed error which is
2330                  * forwarded to telnet/GDB session.
2331                  */
2332         }
2333         return retval;
2334 }