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   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2007-2009 Øyvind Harboe                                 *
   6  *   oyvind.harboe@zylin.com                                               *
   7  *                                                                         *
   8  *   Copyright (C) 2008, Duane Ellis                                       *
   9  *   openocd@duaneeellis.com                                               *
  10  *                                                                         *
  11  *   Copyright (C) 2008 by Spencer Oliver                                  *
  12  *   spen@spen-soft.co.uk                                                  *
  13  *                                                                         *
  14  *   Copyright (C) 2008 by Rick Altherr                                    *
  15  *   kc8apf@kc8apf.net>                                                    *
  16  *                                                                         *
  17  *   This program is free software; you can redistribute it and/or modify  *
  18  *   it under the terms of the GNU General Public License as published by  *
  19  *   the Free Software Foundation; either version 2 of the License, or     *
  20  *   (at your option) any later version.                                   *
  21  *                                                                         *
  22  *   This program is distributed in the hope that it will be useful,       *
  23  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  24  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  25  *   GNU General Public License for more details.                          *
  26  *                                                                         *
  27  *   You should have received a copy of the GNU General Public License     *
  28  *   along with this program; if not, write to the                         *
  29  *   Free Software Foundation, Inc.,                                       *
  30  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  31  ***************************************************************************/
  32 #ifdef HAVE_CONFIG_H
  33 #include "config.h"
  34 #endif
  35
  36 #include "target.h"
  37 #include "target_type.h"
  38 #include "target_request.h"
  39 #include "time_support.h"
  40 #include "register.h"
  41 #include "trace.h"
  42 #include "image.h"
  43 #include "jtag.h"
  44
  45
  46 static int jim_mcrmrc(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  47
  48 static int target_array2mem(Jim_Interp *interp, struct target *target, int argc, Jim_Obj *const *argv);
  49 static int target_mem2array(Jim_Interp *interp, struct target *target, int argc, Jim_Obj *const *argv);
  50
  51 /* targets */
  52 extern struct target_type arm7tdmi_target;
  53 extern struct target_type arm720t_target;
  54 extern struct target_type arm9tdmi_target;
  55 extern struct target_type arm920t_target;
  56 extern struct target_type arm966e_target;
  57 extern struct target_type arm926ejs_target;
  58 extern struct target_type fa526_target;
  59 extern struct target_type feroceon_target;
  60 extern struct target_type dragonite_target;
  61 extern struct target_type xscale_target;
  62 extern struct target_type cortexm3_target;
  63 extern struct target_type cortexa8_target;
  64 extern struct target_type arm11_target;
  65 extern struct target_type mips_m4k_target;
  66 extern struct target_type avr_target;
  67
  68 struct target_type *target_types[] =
  69 {
  70         &arm7tdmi_target,
  71         &arm9tdmi_target,
  72         &arm920t_target,
  73         &arm720t_target,
  74         &arm966e_target,
  75         &arm926ejs_target,
  76         &fa526_target,
  77         &feroceon_target,
  78         &dragonite_target,
  79         &xscale_target,
  80         &cortexm3_target,
  81         &cortexa8_target,
  82         &arm11_target,
  83         &mips_m4k_target,
  84         &avr_target,
  85         NULL,
  86 };
  87
  88 struct target *all_targets = NULL;
  89 struct target_event_callback *target_event_callbacks = NULL;
  90 struct target_timer_callback *target_timer_callbacks = NULL;
  91
  92 const Jim_Nvp nvp_assert[] = {
  93         { .name = "assert", NVP_ASSERT },
  94         { .name = "deassert", NVP_DEASSERT },
  95         { .name = "T", NVP_ASSERT },
  96         { .name = "F", NVP_DEASSERT },
  97         { .name = "t", NVP_ASSERT },
  98         { .name = "f", NVP_DEASSERT },
  99         { .name = NULL, .value = -1 }
 100 };
 101
 102 const Jim_Nvp nvp_error_target[] = {
 103         { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
 104         { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
 105         { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
 106         { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
 107         { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
 108         { .value = ERROR_TARGET_UNALIGNED_ACCESS   , .name = "err-unaligned-access" },
 109         { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
 110         { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
 111         { .value = ERROR_TARGET_TRANSLATION_FAULT  , .name = "err-translation-fault" },
 112         { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
 113         { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
 114         { .value = -1, .name = NULL }
 115 };
 116
 117 const char *target_strerror_safe(int err)
 118 {
 119         const Jim_Nvp *n;
 120
 121         n = Jim_Nvp_value2name_simple(nvp_error_target, err);
 122         if (n->name == NULL) {
 123                 return "unknown";
 124         } else {
 125                 return n->name;
 126         }
 127 }
 128
 129 static const Jim_Nvp nvp_target_event[] = {
 130         { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
 131         { .value = TARGET_EVENT_OLD_pre_resume         , .name = "old-pre_resume" },
 132
 133         { .value = TARGET_EVENT_GDB_HALT, .name = "gdb-halt" },
 134         { .value = TARGET_EVENT_HALTED, .name = "halted" },
 135         { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
 136         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 137         { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
 138
 139         { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
 140         { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
 141
 142         /* historical name */
 143
 144         { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
 145
 146         { .value = TARGET_EVENT_RESET_ASSERT_PRE,    .name = "reset-assert-pre" },
 147         { .value = TARGET_EVENT_RESET_ASSERT_POST,   .name = "reset-assert-post" },
 148         { .value = TARGET_EVENT_RESET_DEASSERT_PRE,  .name = "reset-deassert-pre" },
 149         { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
 150         { .value = TARGET_EVENT_RESET_HALT_PRE,      .name = "reset-halt-pre" },
 151         { .value = TARGET_EVENT_RESET_HALT_POST,     .name = "reset-halt-post" },
 152         { .value = TARGET_EVENT_RESET_WAIT_PRE,      .name = "reset-wait-pre" },
 153         { .value = TARGET_EVENT_RESET_WAIT_POST,     .name = "reset-wait-post" },
 154         { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
 155         { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
 156
 157         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
 158         { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
 159
 160         { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
 161         { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
 162
 163         { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
 164         { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
 165
 166         { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
 167         { .value = TARGET_EVENT_GDB_FLASH_WRITE_END  , .name = "gdb-flash-write-end"   },
 168
 169         { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
 170         { .value = TARGET_EVENT_GDB_FLASH_ERASE_END  , .name = "gdb-flash-erase-end" },
 171
 172         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 173         { .value = TARGET_EVENT_RESUMED     , .name = "resume-ok" },
 174         { .value = TARGET_EVENT_RESUME_END  , .name = "resume-end" },
 175
 176         { .name = NULL, .value = -1 }
 177 };
 178
 179 const Jim_Nvp nvp_target_state[] = {
 180         { .name = "unknown", .value = TARGET_UNKNOWN },
 181         { .name = "running", .value = TARGET_RUNNING },
 182         { .name = "halted",  .value = TARGET_HALTED },
 183         { .name = "reset",   .value = TARGET_RESET },
 184         { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
 185         { .name = NULL, .value = -1 },
 186 };
 187
 188 const Jim_Nvp nvp_target_debug_reason [] = {
 189         { .name = "debug-request"            , .value = DBG_REASON_DBGRQ },
 190         { .name = "breakpoint"               , .value = DBG_REASON_BREAKPOINT },
 191         { .name = "watchpoint"               , .value = DBG_REASON_WATCHPOINT },
 192         { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
 193         { .name = "single-step"              , .value = DBG_REASON_SINGLESTEP },
 194         { .name = "target-not-halted"        , .value = DBG_REASON_NOTHALTED  },
 195         { .name = "undefined"                , .value = DBG_REASON_UNDEFINED },
 196         { .name = NULL, .value = -1 },
 197 };
 198
 199 const Jim_Nvp nvp_target_endian[] = {
 200         { .name = "big",    .value = TARGET_BIG_ENDIAN },
 201         { .name = "little", .value = TARGET_LITTLE_ENDIAN },
 202         { .name = "be",     .value = TARGET_BIG_ENDIAN },
 203         { .name = "le",     .value = TARGET_LITTLE_ENDIAN },
 204         { .name = NULL,     .value = -1 },
 205 };
 206
 207 const Jim_Nvp nvp_reset_modes[] = {
 208         { .name = "unknown", .value = RESET_UNKNOWN },
 209         { .name = "run"    , .value = RESET_RUN },
 210         { .name = "halt"   , .value = RESET_HALT },
 211         { .name = "init"   , .value = RESET_INIT },
 212         { .name = NULL     , .value = -1 },
 213 };
 214
 215 const char *
 216 target_state_name( struct target *t )
 217 {
 218         const char *cp;
 219         cp = Jim_Nvp_value2name_simple(nvp_target_state, t->state)->name;
 220         if( !cp ){
 221                 LOG_ERROR("Invalid target state: %d", (int)(t->state));
 222                 cp = "(*BUG*unknown*BUG*)";
 223         }
 224         return cp;
 225 }
 226
 227 /* determine the number of the new target */
 228 static int new_target_number(void)
 229 {
 230         struct target *t;
 231         int x;
 232
 233         /* number is 0 based */
 234         x = -1;
 235         t = all_targets;
 236         while (t) {
 237                 if (x < t->target_number) {
 238                         x = t->target_number;
 239                 }
 240                 t = t->next;
 241         }
 242         return x + 1;
 243 }
 244
 245 /* read a uint32_t from a buffer in target memory endianness */
 246 uint32_t target_buffer_get_u32(struct target *target, const uint8_t *buffer)
 247 {
 248         if (target->endianness == TARGET_LITTLE_ENDIAN)
 249                 return le_to_h_u32(buffer);
 250         else
 251                 return be_to_h_u32(buffer);
 252 }
 253
 254 /* read a uint16_t from a buffer in target memory endianness */
 255 uint16_t target_buffer_get_u16(struct target *target, const uint8_t *buffer)
 256 {
 257         if (target->endianness == TARGET_LITTLE_ENDIAN)
 258                 return le_to_h_u16(buffer);
 259         else
 260                 return be_to_h_u16(buffer);
 261 }
 262
 263 /* read a uint8_t from a buffer in target memory endianness */
 264 uint8_t target_buffer_get_u8(struct target *target, const uint8_t *buffer)
 265 {
 266         return *buffer & 0x0ff;
 267 }
 268
 269 /* write a uint32_t to a buffer in target memory endianness */
 270 void target_buffer_set_u32(struct target *target, uint8_t *buffer, uint32_t value)
 271 {
 272         if (target->endianness == TARGET_LITTLE_ENDIAN)
 273                 h_u32_to_le(buffer, value);
 274         else
 275                 h_u32_to_be(buffer, value);
 276 }
 277
 278 /* write a uint16_t to a buffer in target memory endianness */
 279 void target_buffer_set_u16(struct target *target, uint8_t *buffer, uint16_t value)
 280 {
 281         if (target->endianness == TARGET_LITTLE_ENDIAN)
 282                 h_u16_to_le(buffer, value);
 283         else
 284                 h_u16_to_be(buffer, value);
 285 }
 286
 287 /* write a uint8_t to a buffer in target memory endianness */
 288 void target_buffer_set_u8(struct target *target, uint8_t *buffer, uint8_t value)
 289 {
 290         *buffer = value;
 291 }
 292
 293 /* return a pointer to a configured target; id is name or number */
 294 struct target *get_target(const char *id)
 295 {
 296         struct target *target;
 297
 298         /* try as tcltarget name */
 299         for (target = all_targets; target; target = target->next) {
 300                 if (target->cmd_name == NULL)
 301                         continue;
 302                 if (strcmp(id, target->cmd_name) == 0)
 303                         return target;
 304         }
 305
 306         /* It's OK to remove this fallback sometime after August 2010 or so */
 307
 308         /* no match, try as number */
 309         unsigned num;
 310         if (parse_uint(id, &num) != ERROR_OK)
 311                 return NULL;
 312
 313         for (target = all_targets; target; target = target->next) {
 314                 if (target->target_number == (int)num) {
 315                         LOG_WARNING("use '%s' as target identifier, not '%u'",
 316                                         target->cmd_name, num);
 317                         return target;
 318                 }
 319         }
 320
 321         return NULL;
 322 }
 323
 324 /* returns a pointer to the n-th configured target */
 325 static struct target *get_target_by_num(int num)
 326 {
 327         struct target *target = all_targets;
 328
 329         while (target) {
 330                 if (target->target_number == num) {
 331                         return target;
 332                 }
 333                 target = target->next;
 334         }
 335
 336         return NULL;
 337 }
 338
 339 struct target* get_current_target(struct command_context *cmd_ctx)
 340 {
 341         struct target *target = get_target_by_num(cmd_ctx->current_target);
 342
 343         if (target == NULL)
 344         {
 345                 LOG_ERROR("BUG: current_target out of bounds");
 346                 exit(-1);
 347         }
 348
 349         return target;
 350 }
 351
 352 int target_poll(struct target *target)
 353 {
 354         int retval;
 355
 356         /* We can't poll until after examine */
 357         if (!target_was_examined(target))
 358         {
 359                 /* Fail silently lest we pollute the log */
 360                 return ERROR_FAIL;
 361         }
 362
 363         retval = target->type->poll(target);
 364         if (retval != ERROR_OK)
 365                 return retval;
 366
 367         if (target->halt_issued)
 368         {
 369                 if (target->state == TARGET_HALTED)
 370                 {
 371                         target->halt_issued = false;
 372                 } else
 373                 {
 374                         long long t = timeval_ms() - target->halt_issued_time;
 375                         if (t>1000)
 376                         {
 377                                 target->halt_issued = false;
 378                                 LOG_INFO("Halt timed out, wake up GDB.");
 379                                 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
 380                         }
 381                 }
 382         }
 383
 384         return ERROR_OK;
 385 }
 386
 387 int target_halt(struct target *target)
 388 {
 389         int retval;
 390         /* We can't poll until after examine */
 391         if (!target_was_examined(target))
 392         {
 393                 LOG_ERROR("Target not examined yet");
 394                 return ERROR_FAIL;
 395         }
 396
 397         retval = target->type->halt(target);
 398         if (retval != ERROR_OK)
 399                 return retval;
 400
 401         target->halt_issued = true;
 402         target->halt_issued_time = timeval_ms();
 403
 404         return ERROR_OK;
 405 }
 406
 407 int target_resume(struct target *target, int current, uint32_t address, int handle_breakpoints, int debug_execution)
 408 {
 409         int retval;
 410
 411         /* We can't poll until after examine */
 412         if (!target_was_examined(target))
 413         {
 414                 LOG_ERROR("Target not examined yet");
 415                 return ERROR_FAIL;
 416         }
 417
 418         /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
 419          * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
 420          * the application.
 421          */
 422         if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
 423                 return retval;
 424
 425         return retval;
 426 }
 427
 428 int target_process_reset(struct command_context *cmd_ctx, enum target_reset_mode reset_mode)
 429 {
 430         char buf[100];
 431         int retval;
 432         Jim_Nvp *n;
 433         n = Jim_Nvp_value2name_simple(nvp_reset_modes, reset_mode);
 434         if (n->name == NULL) {
 435                 LOG_ERROR("invalid reset mode");
 436                 return ERROR_FAIL;
 437         }
 438
 439         /* disable polling during reset to make reset event scripts
 440          * more predictable, i.e. dr/irscan & pathmove in events will
 441          * not have JTAG operations injected into the middle of a sequence.
 442          */
 443         bool save_poll = jtag_poll_get_enabled();
 444
 445         jtag_poll_set_enabled(false);
 446
 447         sprintf(buf, "ocd_process_reset %s", n->name);
 448         retval = Jim_Eval(interp, buf);
 449
 450         jtag_poll_set_enabled(save_poll);
 451
 452         if (retval != JIM_OK) {
 453                 Jim_PrintErrorMessage(interp);
 454                 return ERROR_FAIL;
 455         }
 456
 457         /* We want any events to be processed before the prompt */
 458         retval = target_call_timer_callbacks_now();
 459
 460         return retval;
 461 }
 462
 463 static int identity_virt2phys(struct target *target,
 464                 uint32_t virtual, uint32_t *physical)
 465 {
 466         *physical = virtual;
 467         return ERROR_OK;
 468 }
 469
 470 static int no_mmu(struct target *target, int *enabled)
 471 {
 472         *enabled = 0;
 473         return ERROR_OK;
 474 }
 475
 476 static int default_examine(struct target *target)
 477 {
 478         target_set_examined(target);
 479         return ERROR_OK;
 480 }
 481
 482 int target_examine_one(struct target *target)
 483 {
 484         return target->type->examine(target);
 485 }
 486
 487 static int jtag_enable_callback(enum jtag_event event, void *priv)
 488 {
 489         struct target *target = priv;
 490
 491         if (event != JTAG_TAP_EVENT_ENABLE || !target->tap->enabled)
 492                 return ERROR_OK;
 493
 494         jtag_unregister_event_callback(jtag_enable_callback, target);
 495         return target_examine_one(target);
 496 }
 497
 498
 499 /* Targets that correctly implement init + examine, i.e.
 500  * no communication with target during init:
 501  *
 502  * XScale
 503  */
 504 int target_examine(void)
 505 {
 506         int retval = ERROR_OK;
 507         struct target *target;
 508
 509         for (target = all_targets; target; target = target->next)
 510         {
 511                 /* defer examination, but don't skip it */
 512                 if (!target->tap->enabled) {
 513                         jtag_register_event_callback(jtag_enable_callback,
 514                                         target);
 515                         continue;
 516                 }
 517                 if ((retval = target_examine_one(target)) != ERROR_OK)
 518                         return retval;
 519         }
 520         return retval;
 521 }
 522 const char *target_get_name(struct target *target)
 523 {
 524         return target->type->name;
 525 }
 526
 527 static int target_write_memory_imp(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
 528 {
 529         if (!target_was_examined(target))
 530         {
 531                 LOG_ERROR("Target not examined yet");
 532                 return ERROR_FAIL;
 533         }
 534         return target->type->write_memory_imp(target, address, size, count, buffer);
 535 }
 536
 537 static int target_read_memory_imp(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
 538 {
 539         if (!target_was_examined(target))
 540         {
 541                 LOG_ERROR("Target not examined yet");
 542                 return ERROR_FAIL;
 543         }
 544         return target->type->read_memory_imp(target, address, size, count, buffer);
 545 }
 546
 547 static int target_soft_reset_halt_imp(struct target *target)
 548 {
 549         if (!target_was_examined(target))
 550         {
 551                 LOG_ERROR("Target not examined yet");
 552                 return ERROR_FAIL;
 553         }
 554         if (!target->type->soft_reset_halt_imp) {
 555                 LOG_ERROR("Target %s does not support soft_reset_halt",
 556                                 target->cmd_name);
 557                 return ERROR_FAIL;
 558         }
 559         return target->type->soft_reset_halt_imp(target);
 560 }
 561
 562 static int target_run_algorithm_imp(struct target *target, int num_mem_params, struct mem_param *mem_params, int num_reg_params, struct reg_param *reg_param, uint32_t entry_point, uint32_t exit_point, int timeout_ms, void *arch_info)
 563 {
 564         if (!target_was_examined(target))
 565         {
 566                 LOG_ERROR("Target not examined yet");
 567                 return ERROR_FAIL;
 568         }
 569         return target->type->run_algorithm_imp(target, num_mem_params, mem_params, num_reg_params, reg_param, entry_point, exit_point, timeout_ms, arch_info);
 570 }
 571
 572 int target_read_memory(struct target *target,
 573                 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
 574 {
 575         return target->type->read_memory(target, address, size, count, buffer);
 576 }
 577
 578 int target_read_phys_memory(struct target *target,
 579                 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
 580 {
 581         return target->type->read_phys_memory(target, address, size, count, buffer);
 582 }
 583
 584 int target_write_memory(struct target *target,
 585                 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
 586 {
 587         return target->type->write_memory(target, address, size, count, buffer);
 588 }
 589
 590 int target_write_phys_memory(struct target *target,
 591                 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
 592 {
 593         return target->type->write_phys_memory(target, address, size, count, buffer);
 594 }
 595
 596 int target_bulk_write_memory(struct target *target,
 597                 uint32_t address, uint32_t count, uint8_t *buffer)
 598 {
 599         return target->type->bulk_write_memory(target, address, count, buffer);
 600 }
 601
 602 int target_add_breakpoint(struct target *target,
 603                 struct breakpoint *breakpoint)
 604 {
 605         return target->type->add_breakpoint(target, breakpoint);
 606 }
 607 int target_remove_breakpoint(struct target *target,
 608                 struct breakpoint *breakpoint)
 609 {
 610         return target->type->remove_breakpoint(target, breakpoint);
 611 }
 612
 613 int target_add_watchpoint(struct target *target,
 614                 struct watchpoint *watchpoint)
 615 {
 616         return target->type->add_watchpoint(target, watchpoint);
 617 }
 618 int target_remove_watchpoint(struct target *target,
 619                 struct watchpoint *watchpoint)
 620 {
 621         return target->type->remove_watchpoint(target, watchpoint);
 622 }
 623
 624 int target_get_gdb_reg_list(struct target *target,
 625                 struct reg **reg_list[], int *reg_list_size)
 626 {
 627         return target->type->get_gdb_reg_list(target, reg_list, reg_list_size);
 628 }
 629 int target_step(struct target *target,
 630                 int current, uint32_t address, int handle_breakpoints)
 631 {
 632         return target->type->step(target, current, address, handle_breakpoints);
 633 }
 634
 635
 636 int target_run_algorithm(struct target *target,
 637                 int num_mem_params, struct mem_param *mem_params,
 638                 int num_reg_params, struct reg_param *reg_param,
 639                 uint32_t entry_point, uint32_t exit_point,
 640                 int timeout_ms, void *arch_info)
 641 {
 642         return target->type->run_algorithm(target,
 643                         num_mem_params, mem_params, num_reg_params, reg_param,
 644                         entry_point, exit_point, timeout_ms, arch_info);
 645 }
 646
 647 /// @returns @c true if the target has been examined.
 648 bool target_was_examined(struct target *target)
 649 {
 650         return target->type->examined;
 651 }
 652 /// Sets the @c examined flag for the given target.
 653 void target_set_examined(struct target *target)
 654 {
 655         target->type->examined = true;
 656 }
 657 // Reset the @c examined flag for the given target.
 658 void target_reset_examined(struct target *target)
 659 {
 660         target->type->examined = false;
 661 }
 662
 663
 664
 665 static int default_mrc(struct target *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t *value)
 666 {
 667         LOG_ERROR("Not implemented: %s", __func__);
 668         return ERROR_FAIL;
 669 }
 670
 671 static int default_mcr(struct target *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t value)
 672 {
 673         LOG_ERROR("Not implemented: %s", __func__);
 674         return ERROR_FAIL;
 675 }
 676
 677 static int arm_cp_check(struct target *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm)
 678 {
 679         /* basic check */
 680         if (!target_was_examined(target))
 681         {
 682                 LOG_ERROR("Target not examined yet");
 683                 return ERROR_FAIL;
 684         }
 685
 686         if ((cpnum <0) || (cpnum > 15))
 687         {
 688                 LOG_ERROR("Illegal co-processor %d", cpnum);
 689                 return ERROR_FAIL;
 690         }
 691
 692         if (op1 > 7)
 693         {
 694                 LOG_ERROR("Illegal op1");
 695                 return ERROR_FAIL;
 696         }
 697
 698         if (op2 > 7)
 699         {
 700                 LOG_ERROR("Illegal op2");
 701                 return ERROR_FAIL;
 702         }
 703
 704         if (CRn > 15)
 705         {
 706                 LOG_ERROR("Illegal CRn");
 707                 return ERROR_FAIL;
 708         }
 709
 710         if (CRm > 15)
 711         {
 712                 LOG_ERROR("Illegal CRm");
 713                 return ERROR_FAIL;
 714         }
 715
 716         return ERROR_OK;
 717 }
 718
 719 int target_mrc(struct target *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t *value)
 720 {
 721         int retval;
 722
 723         retval = arm_cp_check(target, cpnum, op1, op2, CRn, CRm);
 724         if (retval != ERROR_OK)
 725                 return retval;
 726
 727         return target->type->mrc(target, cpnum, op1, op2, CRn, CRm, value);
 728 }
 729
 730 int target_mcr(struct target *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t value)
 731 {
 732         int retval;
 733
 734         retval = arm_cp_check(target, cpnum, op1, op2, CRn, CRm);
 735         if (retval != ERROR_OK)
 736                 return retval;
 737
 738         return target->type->mcr(target, cpnum, op1, op2, CRn, CRm, value);
 739 }
 740
 741 static int
 742 err_read_phys_memory(struct target *target, uint32_t address,
 743                 uint32_t size, uint32_t count, uint8_t *buffer)
 744 {
 745         LOG_ERROR("Not implemented: %s", __func__);
 746         return ERROR_FAIL;
 747 }
 748
 749 static int
 750 err_write_phys_memory(struct target *target, uint32_t address,
 751                 uint32_t size, uint32_t count, uint8_t *buffer)
 752 {
 753         LOG_ERROR("Not implemented: %s", __func__);
 754         return ERROR_FAIL;
 755 }
 756
 757 int target_init(struct command_context *cmd_ctx)
 758 {
 759         struct target *target;
 760         int retval;
 761
 762         for (target = all_targets; target; target = target->next) {
 763                 struct target_type *type = target->type;
 764
 765                 target_reset_examined(target);
 766                 if (target->type->examine == NULL)
 767                 {
 768                         target->type->examine = default_examine;
 769                 }
 770
 771                 if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
 772                 {
 773                         LOG_ERROR("target '%s' init failed", target_get_name(target));
 774                         return retval;
 775                 }
 776
 777                 /**
 778                  * @todo MCR/MRC are ARM-specific; don't require them in
 779                  * all targets, or for ARMs without coprocessors.
 780                  */
 781                 if (target->type->mcr == NULL)
 782                 {
 783                         target->type->mcr = default_mcr;
 784                 } else
 785                 {
 786                         /* FIX! multiple targets will generally register global commands
 787                          * multiple times. Only register this one if *one* of the
 788                          * targets need the command. Hmm... make it a command on the
 789                          * Jim Tcl target object?
 790                          */
 791                         register_jim(cmd_ctx, "mcr", jim_mcrmrc, "write coprocessor <cpnum> <op1> <op2> <CRn> <CRm> <value>");
 792                 }
 793
 794                 if (target->type->mrc == NULL)
 795                 {
 796                         target->type->mrc = default_mrc;
 797                 } else
 798                 {
 799                         register_jim(cmd_ctx, "mrc", jim_mcrmrc, "read coprocessor <cpnum> <op1> <op2> <CRn> <CRm>");
 800                 }
 801
 802
 803                 /**
 804                  * @todo get rid of those *memory_imp() methods, now that all
 805                  * callers are using target_*_memory() accessors ... and make
 806                  * sure the "physical" paths handle the same issues.
 807                  */
 808
 809                 /* a non-invasive way(in terms of patches) to add some code that
 810                  * runs before the type->write/read_memory implementation
 811                  */
 812                 target->type->write_memory_imp = target->type->write_memory;
 813                 target->type->write_memory = target_write_memory_imp;
 814                 target->type->read_memory_imp = target->type->read_memory;
 815                 target->type->read_memory = target_read_memory_imp;
 816                 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
 817                 target->type->soft_reset_halt = target_soft_reset_halt_imp;
 818                 target->type->run_algorithm_imp = target->type->run_algorithm;
 819                 target->type->run_algorithm = target_run_algorithm_imp;
 820
 821                 /* Sanity-check MMU support ... stub in what we must, to help
 822                  * implement it in stages, but warn if we need to do so.
 823                  */
 824                 if (type->mmu) {
 825                         if (type->write_phys_memory == NULL) {
 826                                 LOG_ERROR("type '%s' is missing %s",
 827                                                 type->name,
 828                                                 "write_phys_memory");
 829                                 type->write_phys_memory = err_write_phys_memory;
 830                         }
 831                         if (type->read_phys_memory == NULL) {
 832                                 LOG_ERROR("type '%s' is missing %s",
 833                                                 type->name,
 834                                                 "read_phys_memory");
 835                                 type->read_phys_memory = err_read_phys_memory;
 836                         }
 837                         if (type->virt2phys == NULL) {
 838                                 LOG_ERROR("type '%s' is missing %s",
 839                                                 type->name,
 840                                                 "virt2phys");
 841                                 type->virt2phys = identity_virt2phys;
 842                         }
 843
 844                 /* Make sure no-MMU targets all behave the same:  make no
 845                  * distinction between physical and virtual addresses, and
 846                  * ensure that virt2phys() is always an identity mapping.
 847                  */
 848                 } else {
 849                         if (type->write_phys_memory
 850                                         || type->read_phys_memory
 851                                         || type->virt2phys)
 852                                 LOG_WARNING("type '%s' has broken MMU hooks",
 853                                                 type->name);
 854
 855                         type->mmu = no_mmu;
 856                         type->write_phys_memory = type->write_memory;
 857                         type->read_phys_memory = type->read_memory;
 858                         type->virt2phys = identity_virt2phys;
 859                 }
 860         }
 861
 862         if (all_targets)
 863         {
 864                 if ((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
 865                         return retval;
 866                 if ((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
 867                         return retval;
 868         }
 869
 870         return ERROR_OK;
 871 }
 872
 873 int target_register_event_callback(int (*callback)(struct target *target, enum target_event event, void *priv), void *priv)
 874 {
 875         struct target_event_callback **callbacks_p = &target_event_callbacks;
 876
 877         if (callback == NULL)
 878         {
 879                 return ERROR_INVALID_ARGUMENTS;
 880         }
 881
 882         if (*callbacks_p)
 883         {
 884                 while ((*callbacks_p)->next)
 885                         callbacks_p = &((*callbacks_p)->next);
 886                 callbacks_p = &((*callbacks_p)->next);
 887         }
 888
 889         (*callbacks_p) = malloc(sizeof(struct target_event_callback));
 890         (*callbacks_p)->callback = callback;
 891         (*callbacks_p)->priv = priv;
 892         (*callbacks_p)->next = NULL;
 893
 894         return ERROR_OK;
 895 }
 896
 897 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
 898 {
 899         struct target_timer_callback **callbacks_p = &target_timer_callbacks;
 900         struct timeval now;
 901
 902         if (callback == NULL)
 903         {
 904                 return ERROR_INVALID_ARGUMENTS;
 905         }
 906
 907         if (*callbacks_p)
 908         {
 909                 while ((*callbacks_p)->next)
 910                         callbacks_p = &((*callbacks_p)->next);
 911                 callbacks_p = &((*callbacks_p)->next);
 912         }
 913
 914         (*callbacks_p) = malloc(sizeof(struct target_timer_callback));
 915         (*callbacks_p)->callback = callback;
 916         (*callbacks_p)->periodic = periodic;
 917         (*callbacks_p)->time_ms = time_ms;
 918
 919         gettimeofday(&now, NULL);
 920         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 921         time_ms -= (time_ms % 1000);
 922         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
 923         if ((*callbacks_p)->when.tv_usec > 1000000)
 924         {
 925                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
 926                 (*callbacks_p)->when.tv_sec += 1;
 927         }
 928
 929         (*callbacks_p)->priv = priv;
 930         (*callbacks_p)->next = NULL;
 931
 932         return ERROR_OK;
 933 }
 934
 935 int target_unregister_event_callback(int (*callback)(struct target *target, enum target_event event, void *priv), void *priv)
 936 {
 937         struct target_event_callback **p = &target_event_callbacks;
 938         struct target_event_callback *c = target_event_callbacks;
 939
 940         if (callback == NULL)
 941         {
 942                 return ERROR_INVALID_ARGUMENTS;
 943         }
 944
 945         while (c)
 946         {
 947                 struct target_event_callback *next = c->next;
 948                 if ((c->callback == callback) && (c->priv == priv))
 949                 {
 950                         *p = next;
 951                         free(c);
 952                         return ERROR_OK;
 953                 }
 954                 else
 955                         p = &(c->next);
 956                 c = next;
 957         }
 958
 959         return ERROR_OK;
 960 }
 961
 962 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
 963 {
 964         struct target_timer_callback **p = &target_timer_callbacks;
 965         struct target_timer_callback *c = target_timer_callbacks;
 966
 967         if (callback == NULL)
 968         {
 969                 return ERROR_INVALID_ARGUMENTS;
 970         }
 971
 972         while (c)
 973         {
 974                 struct target_timer_callback *next = c->next;
 975                 if ((c->callback == callback) && (c->priv == priv))
 976                 {
 977                         *p = next;
 978                         free(c);
 979                         return ERROR_OK;
 980                 }
 981                 else
 982                         p = &(c->next);
 983                 c = next;
 984         }
 985
 986         return ERROR_OK;
 987 }
 988
 989 int target_call_event_callbacks(struct target *target, enum target_event event)
 990 {
 991         struct target_event_callback *callback = target_event_callbacks;
 992         struct target_event_callback *next_callback;
 993
 994         if (event == TARGET_EVENT_HALTED)
 995         {
 996                 /* execute early halted first */
 997                 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
 998         }
 999
1000         LOG_DEBUG("target event %i (%s)",
1001                           event,
1002                           Jim_Nvp_value2name_simple(nvp_target_event, event)->name);
1003
1004         target_handle_event(target, event);
1005
1006         while (callback)
1007         {
1008                 next_callback = callback->next;
1009                 callback->callback(target, event, callback->priv);
1010                 callback = next_callback;
1011         }
1012
1013         return ERROR_OK;
1014 }
1015
1016 static int target_timer_callback_periodic_restart(
1017                 struct target_timer_callback *cb, struct timeval *now)
1018 {
1019         int time_ms = cb->time_ms;
1020         cb->when.tv_usec = now->tv_usec + (time_ms % 1000) * 1000;
1021         time_ms -= (time_ms % 1000);
1022         cb->when.tv_sec = now->tv_sec + time_ms / 1000;
1023         if (cb->when.tv_usec > 1000000)
1024         {
1025                 cb->when.tv_usec = cb->when.tv_usec - 1000000;
1026                 cb->when.tv_sec += 1;
1027         }
1028         return ERROR_OK;
1029 }
1030
1031 static int target_call_timer_callback(struct target_timer_callback *cb,
1032                 struct timeval *now)
1033 {
1034         cb->callback(cb->priv);
1035
1036         if (cb->periodic)
1037                 return target_timer_callback_periodic_restart(cb, now);
1038
1039         return target_unregister_timer_callback(cb->callback, cb->priv);
1040 }
1041
1042 static int target_call_timer_callbacks_check_time(int checktime)
1043 {
1044         keep_alive();
1045
1046         struct timeval now;
1047         gettimeofday(&now, NULL);
1048
1049         struct target_timer_callback *callback = target_timer_callbacks;
1050         while (callback)
1051         {
1052                 // cleaning up may unregister and free this callback
1053                 struct target_timer_callback *next_callback = callback->next;
1054
1055                 bool call_it = callback->callback &&
1056                         ((!checktime && callback->periodic) ||
1057                           now.tv_sec > callback->when.tv_sec ||
1058                          (now.tv_sec == callback->when.tv_sec &&
1059                           now.tv_usec >= callback->when.tv_usec));
1060
1061                 if (call_it)
1062                 {
1063                         int retval = target_call_timer_callback(callback, &now);
1064                         if (retval != ERROR_OK)
1065                                 return retval;
1066                 }
1067
1068                 callback = next_callback;
1069         }
1070
1071         return ERROR_OK;
1072 }
1073
1074 int target_call_timer_callbacks(void)
1075 {
1076         return target_call_timer_callbacks_check_time(1);
1077 }
1078
1079 /* invoke periodic callbacks immediately */
1080 int target_call_timer_callbacks_now(void)
1081 {
1082         return target_call_timer_callbacks_check_time(0);
1083 }
1084
1085 int target_alloc_working_area(struct target *target, uint32_t size, struct working_area **area)
1086 {
1087         struct working_area *c = target->working_areas;
1088         struct working_area *new_wa = NULL;
1089
1090         /* Reevaluate working area address based on MMU state*/
1091         if (target->working_areas == NULL)
1092         {
1093                 int retval;
1094                 int enabled;
1095
1096                 retval = target->type->mmu(target, &enabled);
1097                 if (retval != ERROR_OK)
1098                 {
1099                         return retval;
1100                 }
1101
1102                 if (!enabled) {
1103                         if (target->working_area_phys_spec) {
1104                                 LOG_DEBUG("MMU disabled, using physical "
1105                                         "address for working memory 0x%08x",
1106                                         (unsigned)target->working_area_phys);
1107                                 target->working_area = target->working_area_phys;
1108                         } else {
1109                                 LOG_ERROR("No working memory available. "
1110                                         "Specify -work-area-phys to target.");
1111                                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1112                         }
1113                 } else {
1114                         if (target->working_area_virt_spec) {
1115                                 LOG_DEBUG("MMU enabled, using virtual "
1116                                         "address for working memory 0x%08x",
1117                                         (unsigned)target->working_area_virt);
1118                                 target->working_area = target->working_area_virt;
1119                         } else {
1120                                 LOG_ERROR("No working memory available. "
1121                                         "Specify -work-area-virt to target.");
1122                                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1123                         }
1124                 }
1125         }
1126
1127         /* only allocate multiples of 4 byte */
1128         if (size % 4)
1129         {
1130                 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes (0x%08x), padding", ((unsigned)(size)));
1131                 size = (size + 3) & (~3);
1132         }
1133
1134         /* see if there's already a matching working area */
1135         while (c)
1136         {
1137                 if ((c->free) && (c->size == size))
1138                 {
1139                         new_wa = c;
1140                         break;
1141                 }
1142                 c = c->next;
1143         }
1144
1145         /* if not, allocate a new one */
1146         if (!new_wa)
1147         {
1148                 struct working_area **p = &target->working_areas;
1149                 uint32_t first_free = target->working_area;
1150                 uint32_t free_size = target->working_area_size;
1151
1152                 c = target->working_areas;
1153                 while (c)
1154                 {
1155                         first_free += c->size;
1156                         free_size -= c->size;
1157                         p = &c->next;
1158                         c = c->next;
1159                 }
1160
1161                 if (free_size < size)
1162                 {
1163                         LOG_WARNING("not enough working area available(requested %u, free %u)",
1164                                     (unsigned)(size), (unsigned)(free_size));
1165                         return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1166                 }
1167
1168                 LOG_DEBUG("allocated new working area at address 0x%08x", (unsigned)first_free);
1169
1170                 new_wa = malloc(sizeof(struct working_area));
1171                 new_wa->next = NULL;
1172                 new_wa->size = size;
1173                 new_wa->address = first_free;
1174
1175                 if (target->backup_working_area)
1176                 {
1177                         int retval;
1178                         new_wa->backup = malloc(new_wa->size);
1179                         if ((retval = target_read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
1180                         {
1181                                 free(new_wa->backup);
1182                                 free(new_wa);
1183                                 return retval;
1184                         }
1185                 }
1186                 else
1187                 {
1188                         new_wa->backup = NULL;
1189                 }
1190
1191                 /* put new entry in list */
1192                 *p = new_wa;
1193         }
1194
1195         /* mark as used, and return the new (reused) area */
1196         new_wa->free = 0;
1197         *area = new_wa;
1198
1199         /* user pointer */
1200         new_wa->user = area;
1201
1202         return ERROR_OK;
1203 }
1204
1205 int target_free_working_area_restore(struct target *target, struct working_area *area, int restore)
1206 {
1207         if (area->free)
1208                 return ERROR_OK;
1209
1210         if (restore && target->backup_working_area)
1211         {
1212                 int retval;
1213                 if ((retval = target_write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
1214                         return retval;
1215         }
1216
1217         area->free = 1;
1218
1219         /* mark user pointer invalid */
1220         *area->user = NULL;
1221         area->user = NULL;
1222
1223         return ERROR_OK;
1224 }
1225
1226 int target_free_working_area(struct target *target, struct working_area *area)
1227 {
1228         return target_free_working_area_restore(target, area, 1);
1229 }
1230
1231 /* free resources and restore memory, if restoring memory fails,
1232  * free up resources anyway
1233  */
1234 void target_free_all_working_areas_restore(struct target *target, int restore)
1235 {
1236         struct working_area *c = target->working_areas;
1237
1238         while (c)
1239         {
1240                 struct working_area *next = c->next;
1241                 target_free_working_area_restore(target, c, restore);
1242
1243                 if (c->backup)
1244                         free(c->backup);
1245
1246                 free(c);
1247
1248                 c = next;
1249         }
1250
1251         target->working_areas = NULL;
1252 }
1253
1254 void target_free_all_working_areas(struct target *target)
1255 {
1256         target_free_all_working_areas_restore(target, 1);
1257 }
1258
1259 int target_arch_state(struct target *target)
1260 {
1261         int retval;
1262         if (target == NULL)
1263         {
1264                 LOG_USER("No target has been configured");
1265                 return ERROR_OK;
1266         }
1267
1268         LOG_USER("target state: %s", target_state_name( target ));
1269
1270         if (target->state != TARGET_HALTED)
1271                 return ERROR_OK;
1272
1273         retval = target->type->arch_state(target);
1274         return retval;
1275 }
1276
1277 /* Single aligned words are guaranteed to use 16 or 32 bit access
1278  * mode respectively, otherwise data is handled as quickly as
1279  * possible
1280  */
1281 int target_write_buffer(struct target *target, uint32_t address, uint32_t size, uint8_t *buffer)
1282 {
1283         int retval;
1284         LOG_DEBUG("writing buffer of %i byte at 0x%8.8x",
1285                   (int)size, (unsigned)address);
1286
1287         if (!target_was_examined(target))
1288         {
1289                 LOG_ERROR("Target not examined yet");
1290                 return ERROR_FAIL;
1291         }
1292
1293         if (size == 0) {
1294                 return ERROR_OK;
1295         }
1296
1297         if ((address + size - 1) < address)
1298         {
1299                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1300                 LOG_ERROR("address + size wrapped(0x%08x, 0x%08x)",
1301                                   (unsigned)address,
1302                                   (unsigned)size);
1303                 return ERROR_FAIL;
1304         }
1305
1306         if (((address % 2) == 0) && (size == 2))
1307         {
1308                 return target_write_memory(target, address, 2, 1, buffer);
1309         }
1310
1311         /* handle unaligned head bytes */
1312         if (address % 4)
1313         {
1314                 uint32_t unaligned = 4 - (address % 4);
1315
1316                 if (unaligned > size)
1317                         unaligned = size;
1318
1319                 if ((retval = target_write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1320                         return retval;
1321
1322                 buffer += unaligned;
1323                 address += unaligned;
1324                 size -= unaligned;
1325         }
1326
1327         /* handle aligned words */
1328         if (size >= 4)
1329         {
1330                 int aligned = size - (size % 4);
1331
1332                 /* use bulk writes above a certain limit. This may have to be changed */
1333                 if (aligned > 128)
1334                 {
1335                         if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1336                                 return retval;
1337                 }
1338                 else
1339                 {
1340                         if ((retval = target_write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1341                                 return retval;
1342                 }
1343
1344                 buffer += aligned;
1345                 address += aligned;
1346                 size -= aligned;
1347         }
1348
1349         /* handle tail writes of less than 4 bytes */
1350         if (size > 0)
1351         {
1352                 if ((retval = target_write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1353                         return retval;
1354         }
1355
1356         return ERROR_OK;
1357 }
1358
1359 /* Single aligned words are guaranteed to use 16 or 32 bit access
1360  * mode respectively, otherwise data is handled as quickly as
1361  * possible
1362  */
1363 int target_read_buffer(struct target *target, uint32_t address, uint32_t size, uint8_t *buffer)
1364 {
1365         int retval;
1366         LOG_DEBUG("reading buffer of %i byte at 0x%8.8x",
1367                           (int)size, (unsigned)address);
1368
1369         if (!target_was_examined(target))
1370         {
1371                 LOG_ERROR("Target not examined yet");
1372                 return ERROR_FAIL;
1373         }
1374
1375         if (size == 0) {
1376                 return ERROR_OK;
1377         }
1378
1379         if ((address + size - 1) < address)
1380         {
1381                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1382                 LOG_ERROR("address + size wrapped(0x%08" PRIx32 ", 0x%08" PRIx32 ")",
1383                                   address,
1384                                   size);
1385                 return ERROR_FAIL;
1386         }
1387
1388         if (((address % 2) == 0) && (size == 2))
1389         {
1390                 return target_read_memory(target, address, 2, 1, buffer);
1391         }
1392
1393         /* handle unaligned head bytes */
1394         if (address % 4)
1395         {
1396                 uint32_t unaligned = 4 - (address % 4);
1397
1398                 if (unaligned > size)
1399                         unaligned = size;
1400
1401                 if ((retval = target_read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1402                         return retval;
1403
1404                 buffer += unaligned;
1405                 address += unaligned;
1406                 size -= unaligned;
1407         }
1408
1409         /* handle aligned words */
1410         if (size >= 4)
1411         {
1412                 int aligned = size - (size % 4);
1413
1414                 if ((retval = target_read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1415                         return retval;
1416
1417                 buffer += aligned;
1418                 address += aligned;
1419                 size -= aligned;
1420         }
1421
1422         /*prevent byte access when possible (avoid AHB access limitations in some cases)*/
1423         if(size >=2)
1424         {
1425                 int aligned = size - (size%2);
1426                 retval = target_read_memory(target, address, 2, aligned / 2, buffer);
1427                 if (retval != ERROR_OK)
1428                         return retval;
1429
1430                 buffer += aligned;
1431                 address += aligned;
1432                 size -= aligned;
1433         }
1434         /* handle tail writes of less than 4 bytes */
1435         if (size > 0)
1436         {
1437                 if ((retval = target_read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1438                         return retval;
1439         }
1440
1441         return ERROR_OK;
1442 }
1443
1444 int target_checksum_memory(struct target *target, uint32_t address, uint32_t size, uint32_t* crc)
1445 {
1446         uint8_t *buffer;
1447         int retval;
1448         uint32_t i;
1449         uint32_t checksum = 0;
1450         if (!target_was_examined(target))
1451         {
1452                 LOG_ERROR("Target not examined yet");
1453                 return ERROR_FAIL;
1454         }
1455
1456         if ((retval = target->type->checksum_memory(target, address,
1457                 size, &checksum)) != ERROR_OK)
1458         {
1459                 buffer = malloc(size);
1460                 if (buffer == NULL)
1461                 {
1462                         LOG_ERROR("error allocating buffer for section (%d bytes)", (int)size);
1463                         return ERROR_INVALID_ARGUMENTS;
1464                 }
1465                 retval = target_read_buffer(target, address, size, buffer);
1466                 if (retval != ERROR_OK)
1467                 {
1468                         free(buffer);
1469                         return retval;
1470                 }
1471
1472                 /* convert to target endianess */
1473                 for (i = 0; i < (size/sizeof(uint32_t)); i++)
1474                 {
1475                         uint32_t target_data;
1476                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(uint32_t)]);
1477                         target_buffer_set_u32(target, &buffer[i*sizeof(uint32_t)], target_data);
1478                 }
1479
1480                 retval = image_calculate_checksum(buffer, size, &checksum);
1481                 free(buffer);
1482         }
1483
1484         *crc = checksum;
1485
1486         return retval;
1487 }
1488
1489 int target_blank_check_memory(struct target *target, uint32_t address, uint32_t size, uint32_t* blank)
1490 {
1491         int retval;
1492         if (!target_was_examined(target))
1493         {
1494                 LOG_ERROR("Target not examined yet");
1495                 return ERROR_FAIL;
1496         }
1497
1498         if (target->type->blank_check_memory == 0)
1499                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1500
1501         retval = target->type->blank_check_memory(target, address, size, blank);
1502
1503         return retval;
1504 }
1505
1506 int target_read_u32(struct target *target, uint32_t address, uint32_t *value)
1507 {
1508         uint8_t value_buf[4];
1509         if (!target_was_examined(target))
1510         {
1511                 LOG_ERROR("Target not examined yet");
1512                 return ERROR_FAIL;
1513         }
1514
1515         int retval = target_read_memory(target, address, 4, 1, value_buf);
1516
1517         if (retval == ERROR_OK)
1518         {
1519                 *value = target_buffer_get_u32(target, value_buf);
1520                 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
1521                                   address,
1522                                   *value);
1523         }
1524         else
1525         {
1526                 *value = 0x0;
1527                 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1528                                   address);
1529         }
1530
1531         return retval;
1532 }
1533
1534 int target_read_u16(struct target *target, uint32_t address, uint16_t *value)
1535 {
1536         uint8_t value_buf[2];
1537         if (!target_was_examined(target))
1538         {
1539                 LOG_ERROR("Target not examined yet");
1540                 return ERROR_FAIL;
1541         }
1542
1543         int retval = target_read_memory(target, address, 2, 1, value_buf);
1544
1545         if (retval == ERROR_OK)
1546         {
1547                 *value = target_buffer_get_u16(target, value_buf);
1548                 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%4.4x",
1549                                   address,
1550                                   *value);
1551         }
1552         else
1553         {
1554                 *value = 0x0;
1555                 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1556                                   address);
1557         }
1558
1559         return retval;
1560 }
1561
1562 int target_read_u8(struct target *target, uint32_t address, uint8_t *value)
1563 {
1564         int retval = target_read_memory(target, address, 1, 1, value);
1565         if (!target_was_examined(target))
1566         {
1567                 LOG_ERROR("Target not examined yet");
1568                 return ERROR_FAIL;
1569         }
1570
1571         if (retval == ERROR_OK)
1572         {
1573                 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
1574                                   address,
1575                                   *value);
1576         }
1577         else
1578         {
1579                 *value = 0x0;
1580                 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1581                                   address);
1582         }
1583
1584         return retval;
1585 }
1586
1587 int target_write_u32(struct target *target, uint32_t address, uint32_t value)
1588 {
1589         int retval;
1590         uint8_t value_buf[4];
1591         if (!target_was_examined(target))
1592         {
1593                 LOG_ERROR("Target not examined yet");
1594                 return ERROR_FAIL;
1595         }
1596
1597         LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
1598                           address,
1599                           value);
1600
1601         target_buffer_set_u32(target, value_buf, value);
1602         if ((retval = target_write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1603         {
1604                 LOG_DEBUG("failed: %i", retval);
1605         }
1606
1607         return retval;
1608 }
1609
1610 int target_write_u16(struct target *target, uint32_t address, uint16_t value)
1611 {
1612         int retval;
1613         uint8_t value_buf[2];
1614         if (!target_was_examined(target))
1615         {
1616                 LOG_ERROR("Target not examined yet");
1617                 return ERROR_FAIL;
1618         }
1619
1620         LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8x",
1621                           address,
1622                           value);
1623
1624         target_buffer_set_u16(target, value_buf, value);
1625         if ((retval = target_write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1626         {
1627                 LOG_DEBUG("failed: %i", retval);
1628         }
1629
1630         return retval;
1631 }
1632
1633 int target_write_u8(struct target *target, uint32_t address, uint8_t value)
1634 {
1635         int retval;
1636         if (!target_was_examined(target))
1637         {
1638                 LOG_ERROR("Target not examined yet");
1639                 return ERROR_FAIL;
1640         }
1641
1642         LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
1643                           address, value);
1644
1645         if ((retval = target_write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1646         {
1647                 LOG_DEBUG("failed: %i", retval);
1648         }
1649
1650         return retval;
1651 }
1652
1653 COMMAND_HANDLER(handle_targets_command)
1654 {
1655         struct target *target = all_targets;
1656
1657         if (argc == 1)
1658         {
1659                 target = get_target(args[0]);
1660                 if (target == NULL) {
1661                         command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0]);
1662                         goto DumpTargets;
1663                 }
1664                 if (!target->tap->enabled) {
1665                         command_print(cmd_ctx,"Target: TAP %s is disabled, "
1666                                         "can't be the current target\n",
1667                                         target->tap->dotted_name);
1668                         return ERROR_FAIL;
1669                 }
1670
1671                 cmd_ctx->current_target = target->target_number;
1672                 return ERROR_OK;
1673         }
1674 DumpTargets:
1675
1676         target = all_targets;
1677         command_print(cmd_ctx, "    TargetName         Type       Endian TapName            State       ");
1678         command_print(cmd_ctx, "--  ------------------ ---------- ------ ------------------ ------------");
1679         while (target)
1680         {
1681                 const char *state;
1682                 char marker = ' ';
1683
1684                 if (target->tap->enabled)
1685                         state = target_state_name( target );
1686                 else
1687                         state = "tap-disabled";
1688
1689                 if (cmd_ctx->current_target == target->target_number)
1690                         marker = '*';
1691
1692                 /* keep columns lined up to match the headers above */
1693                 command_print(cmd_ctx, "%2d%c %-18s %-10s %-6s %-18s %s",
1694                                           target->target_number,
1695                                           marker,
1696                                           target->cmd_name,
1697                                           target_get_name(target),
1698                                           Jim_Nvp_value2name_simple(nvp_target_endian,
1699                                                                 target->endianness)->name,
1700                                           target->tap->dotted_name,
1701                                           state);
1702                 target = target->next;
1703         }
1704
1705         return ERROR_OK;
1706 }
1707
1708 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1709
1710 static int powerDropout;
1711 static int srstAsserted;
1712
1713 static int runPowerRestore;
1714 static int runPowerDropout;
1715 static int runSrstAsserted;
1716 static int runSrstDeasserted;
1717
1718 static int sense_handler(void)
1719 {
1720         static int prevSrstAsserted = 0;
1721         static int prevPowerdropout = 0;
1722
1723         int retval;
1724         if ((retval = jtag_power_dropout(&powerDropout)) != ERROR_OK)
1725                 return retval;
1726
1727         int powerRestored;
1728         powerRestored = prevPowerdropout && !powerDropout;
1729         if (powerRestored)
1730         {
1731                 runPowerRestore = 1;
1732         }
1733
1734         long long current = timeval_ms();
1735         static long long lastPower = 0;
1736         int waitMore = lastPower + 2000 > current;
1737         if (powerDropout && !waitMore)
1738         {
1739                 runPowerDropout = 1;
1740                 lastPower = current;
1741         }
1742
1743         if ((retval = jtag_srst_asserted(&srstAsserted)) != ERROR_OK)
1744                 return retval;
1745
1746         int srstDeasserted;
1747         srstDeasserted = prevSrstAsserted && !srstAsserted;
1748
1749         static long long lastSrst = 0;
1750         waitMore = lastSrst + 2000 > current;
1751         if (srstDeasserted && !waitMore)
1752         {
1753                 runSrstDeasserted = 1;
1754                 lastSrst = current;
1755         }
1756
1757         if (!prevSrstAsserted && srstAsserted)
1758         {
1759                 runSrstAsserted = 1;
1760         }
1761
1762         prevSrstAsserted = srstAsserted;
1763         prevPowerdropout = powerDropout;
1764
1765         if (srstDeasserted || powerRestored)
1766         {
1767                 /* Other than logging the event we can't do anything here.
1768                  * Issuing a reset is a particularly bad idea as we might
1769                  * be inside a reset already.
1770                  */
1771         }
1772
1773         return ERROR_OK;
1774 }
1775
1776 static void target_call_event_callbacks_all(enum target_event e) {
1777         struct target *target;
1778         target = all_targets;
1779         while (target) {
1780                 target_call_event_callbacks(target, e);
1781                 target = target->next;
1782         }
1783 }
1784
1785 /* process target state changes */
1786 int handle_target(void *priv)
1787 {
1788         int retval = ERROR_OK;
1789
1790         /* we do not want to recurse here... */
1791         static int recursive = 0;
1792         if (! recursive)
1793         {
1794                 recursive = 1;
1795                 sense_handler();
1796                 /* danger! running these procedures can trigger srst assertions and power dropouts.
1797                  * We need to avoid an infinite loop/recursion here and we do that by
1798                  * clearing the flags after running these events.
1799                  */
1800                 int did_something = 0;
1801                 if (runSrstAsserted)
1802                 {
1803                         target_call_event_callbacks_all(TARGET_EVENT_GDB_HALT);
1804                         Jim_Eval(interp, "srst_asserted");
1805                         did_something = 1;
1806                 }
1807                 if (runSrstDeasserted)
1808                 {
1809                         Jim_Eval(interp, "srst_deasserted");
1810                         did_something = 1;
1811                 }
1812                 if (runPowerDropout)
1813                 {
1814                         target_call_event_callbacks_all(TARGET_EVENT_GDB_HALT);
1815                         Jim_Eval(interp, "power_dropout");
1816                         did_something = 1;
1817                 }
1818                 if (runPowerRestore)
1819                 {
1820                         Jim_Eval(interp, "power_restore");
1821                         did_something = 1;
1822                 }
1823
1824                 if (did_something)
1825                 {
1826                         /* clear detect flags */
1827                         sense_handler();
1828                 }
1829
1830                 /* clear action flags */
1831
1832                 runSrstAsserted = 0;
1833                 runSrstDeasserted = 0;
1834                 runPowerRestore = 0;
1835                 runPowerDropout = 0;
1836
1837                 recursive = 0;
1838         }
1839
1840         /* Poll targets for state changes unless that's globally disabled.
1841          * Skip targets that are currently disabled.
1842          */
1843         for (struct target *target = all_targets;
1844                         is_jtag_poll_safe() && target;
1845                         target = target->next)
1846         {
1847                 if (!target->tap->enabled)
1848                         continue;
1849
1850                 /* only poll target if we've got power and srst isn't asserted */
1851                 if (!powerDropout && !srstAsserted)
1852                 {
1853                         /* polling may fail silently until the target has been examined */
1854                         if ((retval = target_poll(target)) != ERROR_OK)
1855                         {
1856                                 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
1857                                 return retval;
1858                         }
1859                 }
1860         }
1861
1862         return retval;
1863 }
1864
1865 COMMAND_HANDLER(handle_reg_command)
1866 {
1867         struct target *target;
1868         struct reg *reg = NULL;
1869         int count = 0;
1870         char *value;
1871
1872         LOG_DEBUG("-");
1873
1874         target = get_current_target(cmd_ctx);
1875
1876         /* list all available registers for the current target */
1877         if (argc == 0)
1878         {
1879                 struct reg_cache *cache = target->reg_cache;
1880
1881                 count = 0;
1882                 while (cache)
1883                 {
1884                         int i;
1885
1886                         command_print(cmd_ctx, "===== %s", cache->name);
1887
1888                         for (i = 0, reg = cache->reg_list;
1889                                         i < cache->num_regs;
1890                                         i++, reg++, count++)
1891                         {
1892                                 /* only print cached values if they are valid */
1893                                 if (reg->valid) {
1894                                         value = buf_to_str(reg->value,
1895                                                         reg->size, 16);
1896                                         command_print(cmd_ctx,
1897                                                         "(%i) %s (/%" PRIu32 "): 0x%s%s",
1898                                                         count, reg->name,
1899                                                         reg->size, value,
1900                                                         reg->dirty
1901                                                                 ? " (dirty)"
1902                                                                 : "");
1903                                         free(value);
1904                                 } else {
1905                                         command_print(cmd_ctx, "(%i) %s (/%" PRIu32 ")",
1906                                                           count, reg->name,
1907                                                           reg->size) ;
1908                                 }
1909                         }
1910                         cache = cache->next;
1911                 }
1912
1913                 return ERROR_OK;
1914         }
1915
1916         /* access a single register by its ordinal number */
1917         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1918         {
1919                 unsigned num;
1920                 COMMAND_PARSE_NUMBER(uint, args[0], num);
1921
1922                 struct reg_cache *cache = target->reg_cache;
1923                 count = 0;
1924                 while (cache)
1925                 {
1926                         int i;
1927                         for (i = 0; i < cache->num_regs; i++)
1928                         {
1929                                 if (count++ == (int)num)
1930                                 {
1931                                         reg = &cache->reg_list[i];
1932                                         break;
1933                                 }
1934                         }
1935                         if (reg)
1936                                 break;
1937                         cache = cache->next;
1938                 }
1939
1940                 if (!reg)
1941                 {
1942                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1943                         return ERROR_OK;
1944                 }
1945         } else /* access a single register by its name */
1946         {
1947                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1948
1949                 if (!reg)
1950                 {
1951                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1952                         return ERROR_OK;
1953                 }
1954         }
1955
1956         /* display a register */
1957         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1958         {
1959                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1960                         reg->valid = 0;
1961
1962                 if (reg->valid == 0)
1963                 {
1964                         struct reg_arch_type *arch_type = register_get_arch_type(reg->arch_type);
1965                         arch_type->get(reg);
1966                 }
1967                 value = buf_to_str(reg->value, reg->size, 16);
1968                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
1969                 free(value);
1970                 return ERROR_OK;
1971         }
1972
1973         /* set register value */
1974         if (argc == 2)
1975         {
1976                 uint8_t *buf = malloc(CEIL(reg->size, 8));
1977                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1978
1979                 struct reg_arch_type *arch_type = register_get_arch_type(reg->arch_type);
1980                 arch_type->set(reg, buf);
1981
1982                 value = buf_to_str(reg->value, reg->size, 16);
1983                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
1984                 free(value);
1985
1986                 free(buf);
1987
1988                 return ERROR_OK;
1989         }
1990
1991         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1992
1993         return ERROR_OK;
1994 }
1995
1996 COMMAND_HANDLER(handle_poll_command)
1997 {
1998         int retval = ERROR_OK;
1999         struct target *target = get_current_target(cmd_ctx);
2000
2001         if (argc == 0)
2002         {
2003                 command_print(cmd_ctx, "background polling: %s",
2004                                 jtag_poll_get_enabled() ? "on" : "off");
2005                 command_print(cmd_ctx, "TAP: %s (%s)",
2006                                 target->tap->dotted_name,
2007                                 target->tap->enabled ? "enabled" : "disabled");
2008                 if (!target->tap->enabled)
2009                         return ERROR_OK;
2010                 if ((retval = target_poll(target)) != ERROR_OK)
2011                         return retval;
2012                 if ((retval = target_arch_state(target)) != ERROR_OK)
2013                         return retval;
2014
2015         }
2016         else if (argc == 1)
2017         {
2018                 if (strcmp(args[0], "on") == 0)
2019                 {
2020                         jtag_poll_set_enabled(true);
2021                 }
2022                 else if (strcmp(args[0], "off") == 0)
2023                 {
2024                         jtag_poll_set_enabled(false);
2025                 }
2026                 else
2027                 {
2028                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
2029                 }
2030         } else
2031         {
2032                 return ERROR_COMMAND_SYNTAX_ERROR;
2033         }
2034
2035         return retval;
2036 }
2037
2038 COMMAND_HANDLER(handle_wait_halt_command)
2039 {
2040         if (argc > 1)
2041                 return ERROR_COMMAND_SYNTAX_ERROR;
2042
2043         unsigned ms = 5000;
2044         if (1 == argc)
2045         {
2046                 int retval = parse_uint(args[0], &ms);
2047                 if (ERROR_OK != retval)
2048                 {
2049                         command_print(cmd_ctx, "usage: %s [seconds]", CMD_NAME);
2050                         return ERROR_COMMAND_SYNTAX_ERROR;
2051                 }
2052                 // convert seconds (given) to milliseconds (needed)
2053                 ms *= 1000;
2054         }
2055
2056         struct target *target = get_current_target(cmd_ctx);
2057         return target_wait_state(target, TARGET_HALTED, ms);
2058 }
2059
2060 /* wait for target state to change. The trick here is to have a low
2061  * latency for short waits and not to suck up all the CPU time
2062  * on longer waits.
2063  *
2064  * After 500ms, keep_alive() is invoked
2065  */
2066 int target_wait_state(struct target *target, enum target_state state, int ms)
2067 {
2068         int retval;
2069         long long then = 0, cur;
2070         int once = 1;
2071
2072         for (;;)
2073         {
2074                 if ((retval = target_poll(target)) != ERROR_OK)
2075                         return retval;
2076                 if (target->state == state)
2077                 {
2078                         break;
2079                 }
2080                 cur = timeval_ms();
2081                 if (once)
2082                 {
2083                         once = 0;
2084                         then = timeval_ms();
2085                         LOG_DEBUG("waiting for target %s...",
2086                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
2087                 }
2088
2089                 if (cur-then > 500)
2090                 {
2091                         keep_alive();
2092                 }
2093
2094                 if ((cur-then) > ms)
2095                 {
2096                         LOG_ERROR("timed out while waiting for target %s",
2097                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
2098                         return ERROR_FAIL;
2099                 }
2100         }
2101
2102         return ERROR_OK;
2103 }
2104
2105 COMMAND_HANDLER(handle_halt_command)
2106 {
2107         LOG_DEBUG("-");
2108
2109         struct target *target = get_current_target(cmd_ctx);
2110         int retval = target_halt(target);
2111         if (ERROR_OK != retval)
2112                 return retval;
2113
2114         if (argc == 1)
2115         {
2116                 unsigned wait;
2117                 retval = parse_uint(args[0], &wait);
2118                 if (ERROR_OK != retval)
2119                         return ERROR_COMMAND_SYNTAX_ERROR;
2120                 if (!wait)
2121                         return ERROR_OK;
2122         }
2123
2124         return CALL_COMMAND_HANDLER(handle_wait_halt_command);
2125 }
2126
2127 COMMAND_HANDLER(handle_soft_reset_halt_command)
2128 {
2129         struct target *target = get_current_target(cmd_ctx);
2130
2131         LOG_USER("requesting target halt and executing a soft reset");
2132
2133         target->type->soft_reset_halt(target);
2134
2135         return ERROR_OK;
2136 }
2137
2138 COMMAND_HANDLER(handle_reset_command)
2139 {
2140         if (argc > 1)
2141                 return ERROR_COMMAND_SYNTAX_ERROR;
2142
2143         enum target_reset_mode reset_mode = RESET_RUN;
2144         if (argc == 1)
2145         {
2146                 const Jim_Nvp *n;
2147                 n = Jim_Nvp_name2value_simple(nvp_reset_modes, args[0]);
2148                 if ((n->name == NULL) || (n->value == RESET_UNKNOWN)) {
2149                         return ERROR_COMMAND_SYNTAX_ERROR;
2150                 }
2151                 reset_mode = n->value;
2152         }
2153
2154         /* reset *all* targets */
2155         return target_process_reset(cmd_ctx, reset_mode);
2156 }
2157
2158
2159 COMMAND_HANDLER(handle_resume_command)
2160 {
2161         int current = 1;
2162         if (argc > 1)
2163                 return ERROR_COMMAND_SYNTAX_ERROR;
2164
2165         struct target *target = get_current_target(cmd_ctx);
2166         target_handle_event(target, TARGET_EVENT_OLD_pre_resume);
2167
2168         /* with no args, resume from current pc, addr = 0,
2169          * with one arguments, addr = args[0],
2170          * handle breakpoints, not debugging */
2171         uint32_t addr = 0;
2172         if (argc == 1)
2173         {
2174                 COMMAND_PARSE_NUMBER(u32, args[0], addr);
2175                 current = 0;
2176         }
2177
2178         return target_resume(target, current, addr, 1, 0);
2179 }
2180
2181 COMMAND_HANDLER(handle_step_command)
2182 {
2183         if (argc > 1)
2184                 return ERROR_COMMAND_SYNTAX_ERROR;
2185
2186         LOG_DEBUG("-");
2187
2188         /* with no args, step from current pc, addr = 0,
2189          * with one argument addr = args[0],
2190          * handle breakpoints, debugging */
2191         uint32_t addr = 0;
2192         int current_pc = 1;
2193         if (argc == 1)
2194         {
2195                 COMMAND_PARSE_NUMBER(u32, args[0], addr);
2196                 current_pc = 0;
2197         }
2198
2199         struct target *target = get_current_target(cmd_ctx);
2200
2201         return target->type->step(target, current_pc, addr, 1);
2202 }
2203
2204 static void handle_md_output(struct command_context *cmd_ctx,
2205                 struct target *target, uint32_t address, unsigned size,
2206                 unsigned count, const uint8_t *buffer)
2207 {
2208         const unsigned line_bytecnt = 32;
2209         unsigned line_modulo = line_bytecnt / size;
2210
2211         char output[line_bytecnt * 4 + 1];
2212         unsigned output_len = 0;
2213
2214         const char *value_fmt;
2215         switch (size) {
2216         case 4: value_fmt = "%8.8x "; break;
2217         case 2: value_fmt = "%4.2x "; break;
2218         case 1: value_fmt = "%2.2x "; break;
2219         default:
2220                 LOG_ERROR("invalid memory read size: %u", size);
2221                 exit(-1);
2222         }
2223
2224         for (unsigned i = 0; i < count; i++)
2225         {
2226                 if (i % line_modulo == 0)
2227                 {
2228                         output_len += snprintf(output + output_len,
2229                                         sizeof(output) - output_len,
2230                                         "0x%8.8x: ",
2231                                         (unsigned)(address + (i*size)));
2232                 }
2233
2234                 uint32_t value = 0;
2235                 const uint8_t *value_ptr = buffer + i * size;
2236                 switch (size) {
2237                 case 4: value = target_buffer_get_u32(target, value_ptr); break;
2238                 case 2: value = target_buffer_get_u16(target, value_ptr); break;
2239                 case 1: value = *value_ptr;
2240                 }
2241                 output_len += snprintf(output + output_len,
2242                                 sizeof(output) - output_len,
2243                                 value_fmt, value);
2244
2245                 if ((i % line_modulo == line_modulo - 1) || (i == count - 1))
2246                 {
2247                         command_print(cmd_ctx, "%s", output);
2248                         output_len = 0;
2249                 }
2250         }
2251 }
2252
2253 COMMAND_HANDLER(handle_md_command)
2254 {
2255         if (argc < 1)
2256                 return ERROR_COMMAND_SYNTAX_ERROR;
2257
2258         unsigned size = 0;
2259         switch (CMD_NAME[2]) {
2260         case 'w': size = 4; break;
2261         case 'h': size = 2; break;
2262         case 'b': size = 1; break;
2263         default: return ERROR_COMMAND_SYNTAX_ERROR;
2264         }
2265
2266         bool physical=strcmp(args[0], "phys")==0;
2267         int (*fn)(struct target *target,
2268                         uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
2269         if (physical)
2270         {
2271                 argc--;
2272                 args++;
2273                 fn=target_read_phys_memory;
2274         } else
2275         {
2276                 fn=target_read_memory;
2277         }
2278         if ((argc < 1) || (argc > 2))
2279         {
2280                 return ERROR_COMMAND_SYNTAX_ERROR;
2281         }
2282
2283         uint32_t address;
2284         COMMAND_PARSE_NUMBER(u32, args[0], address);
2285
2286         unsigned count = 1;
2287         if (argc == 2)
2288                 COMMAND_PARSE_NUMBER(uint, args[1], count);
2289
2290         uint8_t *buffer = calloc(count, size);
2291
2292         struct target *target = get_current_target(cmd_ctx);
2293         int retval = fn(target, address, size, count, buffer);
2294         if (ERROR_OK == retval)
2295                 handle_md_output(cmd_ctx, target, address, size, count, buffer);
2296
2297         free(buffer);
2298
2299         return retval;
2300 }
2301
2302 COMMAND_HANDLER(handle_mw_command)
2303 {
2304         if (argc < 2)
2305         {
2306                 return ERROR_COMMAND_SYNTAX_ERROR;
2307         }
2308         bool physical=strcmp(args[0], "phys")==0;
2309         int (*fn)(struct target *target,
2310                         uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
2311         const char *cmd_name = CMD_NAME;
2312         if (physical)
2313         {
2314                 argc--;
2315                 args++;
2316                 fn=target_write_phys_memory;
2317         } else
2318         {
2319                 fn=target_write_memory;
2320         }
2321         if ((argc < 2) || (argc > 3))
2322                 return ERROR_COMMAND_SYNTAX_ERROR;
2323
2324         uint32_t address;
2325         COMMAND_PARSE_NUMBER(u32, args[0], address);
2326
2327         uint32_t value;
2328         COMMAND_PARSE_NUMBER(u32, args[1], value);
2329
2330         unsigned count = 1;
2331         if (argc == 3)
2332                 COMMAND_PARSE_NUMBER(uint, args[2], count);
2333
2334         struct target *target = get_current_target(cmd_ctx);
2335         unsigned wordsize;
2336         uint8_t value_buf[4];
2337         switch (cmd_name[6])
2338         {
2339                 case 'w':
2340                         wordsize = 4;
2341                         target_buffer_set_u32(target, value_buf, value);
2342                         break;
2343                 case 'h':
2344                         wordsize = 2;
2345                         target_buffer_set_u16(target, value_buf, value);
2346                         break;
2347                 case 'b':
2348                         wordsize = 1;
2349                         value_buf[0] = value;
2350                         break;
2351                 default:
2352                         return ERROR_COMMAND_SYNTAX_ERROR;
2353         }
2354         for (unsigned i = 0; i < count; i++)
2355         {
2356                 int retval = fn(target,
2357                                 address + i * wordsize, wordsize, 1, value_buf);
2358                 if (ERROR_OK != retval)
2359                         return retval;
2360                 keep_alive();
2361         }
2362
2363         return ERROR_OK;
2364
2365 }
2366
2367 static COMMAND_HELPER(parse_load_image_command_args, struct image *image,
2368                 uint32_t *min_address, uint32_t *max_address)
2369 {
2370         if (argc < 1 || argc > 5)
2371                 return ERROR_COMMAND_SYNTAX_ERROR;
2372
2373         /* a base address isn't always necessary,
2374          * default to 0x0 (i.e. don't relocate) */
2375         if (argc >= 2)
2376         {
2377                 uint32_t addr;
2378                 COMMAND_PARSE_NUMBER(u32, args[1], addr);
2379                 image->base_address = addr;
2380                 image->base_address_set = 1;
2381         }
2382         else
2383                 image->base_address_set = 0;
2384
2385         image->start_address_set = 0;
2386
2387         if (argc >= 4)
2388         {
2389                 COMMAND_PARSE_NUMBER(u32, args[3], *min_address);
2390         }
2391         if (argc == 5)
2392         {
2393                 COMMAND_PARSE_NUMBER(u32, args[4], *max_address);
2394                 // use size (given) to find max (required)
2395                 *max_address += *min_address;
2396         }
2397
2398         if (*min_address > *max_address)
2399                 return ERROR_COMMAND_SYNTAX_ERROR;
2400
2401         return ERROR_OK;
2402 }
2403
2404 COMMAND_HANDLER(handle_load_image_command)
2405 {
2406         uint8_t *buffer;
2407         uint32_t buf_cnt;
2408         uint32_t image_size;
2409         uint32_t min_address = 0;
2410         uint32_t max_address = 0xffffffff;
2411         int i;
2412         struct image image;
2413
2414         int retval = CALL_COMMAND_HANDLER(parse_load_image_command_args,
2415                         &image, &min_address, &max_address);
2416         if (ERROR_OK != retval)
2417                 return retval;
2418
2419         struct target *target = get_current_target(cmd_ctx);
2420
2421         struct duration bench;
2422         duration_start(&bench);
2423
2424         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2425         {
2426                 return ERROR_OK;
2427         }
2428
2429         image_size = 0x0;
2430         retval = ERROR_OK;
2431         for (i = 0; i < image.num_sections; i++)
2432         {
2433                 buffer = malloc(image.sections[i].size);
2434                 if (buffer == NULL)
2435                 {
2436                         command_print(cmd_ctx,
2437                                                   "error allocating buffer for section (%d bytes)",
2438                                                   (int)(image.sections[i].size));
2439                         break;
2440                 }
2441
2442                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2443                 {
2444                         free(buffer);
2445                         break;
2446                 }
2447
2448                 uint32_t offset = 0;
2449                 uint32_t length = buf_cnt;
2450
2451                 /* DANGER!!! beware of unsigned comparision here!!! */
2452
2453                 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
2454                                 (image.sections[i].base_address < max_address))
2455                 {
2456                         if (image.sections[i].base_address < min_address)
2457                         {
2458                                 /* clip addresses below */
2459                                 offset += min_address-image.sections[i].base_address;
2460                                 length -= offset;
2461                         }
2462
2463                         if (image.sections[i].base_address + buf_cnt > max_address)
2464                         {
2465                                 length -= (image.sections[i].base_address + buf_cnt)-max_address;
2466                         }
2467
2468                         if ((retval = target_write_buffer(target, image.sections[i].base_address + offset, length, buffer + offset)) != ERROR_OK)
2469                         {
2470                                 free(buffer);
2471                                 break;
2472                         }
2473                         image_size += length;
2474                         command_print(cmd_ctx, "%u bytes written at address 0x%8.8" PRIx32 "",
2475                                                   (unsigned int)length,
2476                                                   image.sections[i].base_address + offset);
2477                 }
2478
2479                 free(buffer);
2480         }
2481
2482         if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
2483         {
2484                 command_print(cmd_ctx, "downloaded %" PRIu32 " bytes "
2485                                 "in %fs (%0.3f kb/s)", image_size,
2486                                 duration_elapsed(&bench), duration_kbps(&bench, image_size));
2487         }
2488
2489         image_close(&image);
2490
2491         return retval;
2492
2493 }
2494
2495 COMMAND_HANDLER(handle_dump_image_command)
2496 {
2497         struct fileio fileio;
2498
2499         uint8_t buffer[560];
2500         int retvaltemp;
2501
2502
2503         struct target *target = get_current_target(cmd_ctx);
2504
2505         if (argc != 3)
2506         {
2507                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2508                 return ERROR_OK;
2509         }
2510
2511         uint32_t address;
2512         COMMAND_PARSE_NUMBER(u32, args[1], address);
2513         uint32_t size;
2514         COMMAND_PARSE_NUMBER(u32, args[2], size);
2515
2516         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2517         {
2518                 return ERROR_OK;
2519         }
2520
2521         struct duration bench;
2522         duration_start(&bench);
2523
2524         int retval = ERROR_OK;
2525         while (size > 0)
2526         {
2527                 uint32_t size_written;
2528                 uint32_t this_run_size = (size > 560) ? 560 : size;
2529                 retval = target_read_buffer(target, address, this_run_size, buffer);
2530                 if (retval != ERROR_OK)
2531                 {
2532                         break;
2533                 }
2534
2535                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2536                 if (retval != ERROR_OK)
2537                 {
2538                         break;
2539                 }
2540
2541                 size -= this_run_size;
2542                 address += this_run_size;
2543         }
2544
2545         if ((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2546                 return retvaltemp;
2547
2548         if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
2549         {
2550                 command_print(cmd_ctx,
2551                                 "dumped %lld bytes in %fs (%0.3f kb/s)", fileio.size,
2552                                 duration_elapsed(&bench), duration_kbps(&bench, fileio.size));
2553         }
2554
2555         return retval;
2556 }
2557
2558 static COMMAND_HELPER(handle_verify_image_command_internal, int verify)
2559 {
2560         uint8_t *buffer;
2561         uint32_t buf_cnt;
2562         uint32_t image_size;
2563         int i;
2564         int retval;
2565         uint32_t checksum = 0;
2566         uint32_t mem_checksum = 0;
2567
2568         struct image image;
2569
2570         struct target *target = get_current_target(cmd_ctx);
2571
2572         if (argc < 1)
2573         {
2574                 return ERROR_COMMAND_SYNTAX_ERROR;
2575         }
2576
2577         if (!target)
2578         {
2579                 LOG_ERROR("no target selected");
2580                 return ERROR_FAIL;
2581         }
2582
2583         struct duration bench;
2584         duration_start(&bench);
2585
2586         if (argc >= 2)
2587         {
2588                 uint32_t addr;
2589                 COMMAND_PARSE_NUMBER(u32, args[1], addr);
2590                 image.base_address = addr;
2591                 image.base_address_set = 1;
2592         }
2593         else
2594         {
2595                 image.base_address_set = 0;
2596                 image.base_address = 0x0;
2597         }
2598
2599         image.start_address_set = 0;
2600
2601         if ((retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2602         {
2603                 return retval;
2604         }
2605
2606         image_size = 0x0;
2607         retval = ERROR_OK;
2608         for (i = 0; i < image.num_sections; i++)
2609         {
2610                 buffer = malloc(image.sections[i].size);
2611                 if (buffer == NULL)
2612                 {
2613                         command_print(cmd_ctx,
2614                                                   "error allocating buffer for section (%d bytes)",
2615                                                   (int)(image.sections[i].size));
2616                         break;
2617                 }
2618                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2619                 {
2620                         free(buffer);
2621                         break;
2622                 }
2623
2624                 if (verify)
2625                 {
2626                         /* calculate checksum of image */
2627                         image_calculate_checksum(buffer, buf_cnt, &checksum);
2628
2629                         retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2630                         if (retval != ERROR_OK)
2631                         {
2632                                 free(buffer);
2633                                 break;
2634                         }
2635
2636                         if (checksum != mem_checksum)
2637                         {
2638                                 /* failed crc checksum, fall back to a binary compare */
2639                                 uint8_t *data;
2640
2641                                 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2642
2643                                 data = (uint8_t*)malloc(buf_cnt);
2644
2645                                 /* Can we use 32bit word accesses? */
2646                                 int size = 1;
2647                                 int count = buf_cnt;
2648                                 if ((count % 4) == 0)
2649                                 {
2650                                         size *= 4;
2651                                         count /= 4;
2652                                 }
2653                                 retval = target_read_memory(target, image.sections[i].base_address, size, count, data);
2654                                 if (retval == ERROR_OK)
2655                                 {
2656                                         uint32_t t;
2657                                         for (t = 0; t < buf_cnt; t++)
2658                                         {
2659                                                 if (data[t] != buffer[t])
2660                                                 {
2661                                                         command_print(cmd_ctx,
2662                                                                                   "Verify operation failed address 0x%08x. Was 0x%02x instead of 0x%02x\n",
2663                                                                                   (unsigned)(t + image.sections[i].base_address),
2664                                                                                   data[t],
2665                                                                                   buffer[t]);
2666                                                         free(data);
2667                                                         free(buffer);
2668                                                         retval = ERROR_FAIL;
2669                                                         goto done;
2670                                                 }
2671                                                 if ((t%16384) == 0)
2672                                                 {
2673                                                         keep_alive();
2674                                                 }
2675                                         }
2676                                 }
2677
2678                                 free(data);
2679                         }
2680                 } else
2681                 {
2682                         command_print(cmd_ctx, "address 0x%08" PRIx32 " length 0x%08" PRIx32 "",
2683                                                   image.sections[i].base_address,
2684                                                   buf_cnt);
2685                 }
2686
2687                 free(buffer);
2688                 image_size += buf_cnt;
2689         }
2690 done:
2691         if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
2692         {
2693                 command_print(cmd_ctx, "verified %" PRIu32 " bytes "
2694                                 "in %fs (%0.3f kb/s)", image_size,
2695                                 duration_elapsed(&bench), duration_kbps(&bench, image_size));
2696         }
2697
2698         image_close(&image);
2699
2700         return retval;
2701 }
2702
2703 COMMAND_HANDLER(handle_verify_image_command)
2704 {
2705         return CALL_COMMAND_HANDLER(handle_verify_image_command_internal, 1);
2706 }
2707
2708 COMMAND_HANDLER(handle_test_image_command)
2709 {
2710         return CALL_COMMAND_HANDLER(handle_verify_image_command_internal, 0);
2711 }
2712
2713 static int handle_bp_command_list(struct command_context *cmd_ctx)
2714 {
2715         struct target *target = get_current_target(cmd_ctx);
2716         struct breakpoint *breakpoint = target->breakpoints;
2717         while (breakpoint)
2718         {
2719                 if (breakpoint->type == BKPT_SOFT)
2720                 {
2721                         char* buf = buf_to_str(breakpoint->orig_instr,
2722                                         breakpoint->length, 16);
2723                         command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i, 0x%s",
2724                                         breakpoint->address,
2725                                         breakpoint->length,
2726                                         breakpoint->set, buf);
2727                         free(buf);
2728                 }
2729                 else
2730                 {
2731                         command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i",
2732                                                   breakpoint->address,
2733                                                   breakpoint->length, breakpoint->set);
2734                 }
2735
2736                 breakpoint = breakpoint->next;
2737         }
2738         return ERROR_OK;
2739 }
2740
2741 static int handle_bp_command_set(struct command_context *cmd_ctx,
2742                 uint32_t addr, uint32_t length, int hw)
2743 {
2744         struct target *target = get_current_target(cmd_ctx);
2745         int retval = breakpoint_add(target, addr, length, hw);
2746         if (ERROR_OK == retval)
2747                 command_print(cmd_ctx, "breakpoint set at 0x%8.8" PRIx32 "", addr);
2748         else
2749                 LOG_ERROR("Failure setting breakpoint");
2750         return retval;
2751 }
2752
2753 COMMAND_HANDLER(handle_bp_command)
2754 {
2755         if (argc == 0)
2756                 return handle_bp_command_list(cmd_ctx);
2757
2758         if (argc < 2 || argc > 3)
2759         {
2760                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2761                 return ERROR_COMMAND_SYNTAX_ERROR;
2762         }
2763
2764         uint32_t addr;
2765         COMMAND_PARSE_NUMBER(u32, args[0], addr);
2766         uint32_t length;
2767         COMMAND_PARSE_NUMBER(u32, args[1], length);
2768
2769         int hw = BKPT_SOFT;
2770         if (argc == 3)
2771         {
2772                 if (strcmp(args[2], "hw") == 0)
2773                         hw = BKPT_HARD;
2774                 else
2775                         return ERROR_COMMAND_SYNTAX_ERROR;
2776         }
2777
2778         return handle_bp_command_set(cmd_ctx, addr, length, hw);
2779 }
2780
2781 COMMAND_HANDLER(handle_rbp_command)
2782 {
2783         if (argc != 1)
2784                 return ERROR_COMMAND_SYNTAX_ERROR;
2785
2786         uint32_t addr;
2787         COMMAND_PARSE_NUMBER(u32, args[0], addr);
2788
2789         struct target *target = get_current_target(cmd_ctx);
2790         breakpoint_remove(target, addr);
2791
2792         return ERROR_OK;
2793 }
2794
2795 COMMAND_HANDLER(handle_wp_command)
2796 {
2797         struct target *target = get_current_target(cmd_ctx);
2798
2799         if (argc == 0)
2800         {
2801                 struct watchpoint *watchpoint = target->watchpoints;
2802
2803                 while (watchpoint)
2804                 {
2805                         command_print(cmd_ctx, "address: 0x%8.8" PRIx32
2806                                         ", len: 0x%8.8" PRIx32
2807                                         ", r/w/a: %i, value: 0x%8.8" PRIx32
2808                                         ", mask: 0x%8.8" PRIx32,
2809                                         watchpoint->address,
2810                                         watchpoint->length,
2811                                         (int)watchpoint->rw,
2812                                         watchpoint->value,
2813                                         watchpoint->mask);
2814                         watchpoint = watchpoint->next;
2815                 }
2816                 return ERROR_OK;
2817         }
2818
2819         enum watchpoint_rw type = WPT_ACCESS;
2820         uint32_t addr = 0;
2821         uint32_t length = 0;
2822         uint32_t data_value = 0x0;
2823         uint32_t data_mask = 0xffffffff;
2824
2825         switch (argc)
2826         {
2827         case 5:
2828                 COMMAND_PARSE_NUMBER(u32, args[4], data_mask);
2829                 // fall through
2830         case 4:
2831                 COMMAND_PARSE_NUMBER(u32, args[3], data_value);
2832                 // fall through
2833         case 3:
2834                 switch (args[2][0])
2835                 {
2836                 case 'r':
2837                         type = WPT_READ;
2838                         break;
2839                 case 'w':
2840                         type = WPT_WRITE;
2841                         break;
2842                 case 'a':
2843                         type = WPT_ACCESS;
2844                         break;
2845                 default:
2846                         LOG_ERROR("invalid watchpoint mode ('%c')", args[2][0]);
2847                         return ERROR_COMMAND_SYNTAX_ERROR;
2848                 }
2849                 // fall through
2850         case 2:
2851                 COMMAND_PARSE_NUMBER(u32, args[1], length);
2852                 COMMAND_PARSE_NUMBER(u32, args[0], addr);
2853                 break;
2854
2855         default:
2856                 command_print(cmd_ctx, "usage: wp [address length "
2857                                 "[(r|w|a) [value [mask]]]]");
2858                 return ERROR_COMMAND_SYNTAX_ERROR;
2859         }
2860
2861         int retval = watchpoint_add(target, addr, length, type,
2862                         data_value, data_mask);
2863         if (ERROR_OK != retval)
2864                 LOG_ERROR("Failure setting watchpoints");
2865
2866         return retval;
2867 }
2868
2869 COMMAND_HANDLER(handle_rwp_command)
2870 {
2871         if (argc != 1)
2872                 return ERROR_COMMAND_SYNTAX_ERROR;
2873
2874         uint32_t addr;
2875         COMMAND_PARSE_NUMBER(u32, args[0], addr);
2876
2877         struct target *target = get_current_target(cmd_ctx);
2878         watchpoint_remove(target, addr);
2879
2880         return ERROR_OK;
2881 }
2882
2883
2884 /**
2885  * Translate a virtual address to a physical address.
2886  *
2887  * The low-level target implementation must have logged a detailed error
2888  * which is forwarded to telnet/GDB session.
2889  */
2890 COMMAND_HANDLER(handle_virt2phys_command)
2891 {
2892         if (argc != 1)
2893                 return ERROR_COMMAND_SYNTAX_ERROR;
2894
2895         uint32_t va;
2896         COMMAND_PARSE_NUMBER(u32, args[0], va);
2897         uint32_t pa;
2898
2899         struct target *target = get_current_target(cmd_ctx);
2900         int retval = target->type->virt2phys(target, va, &pa);
2901         if (retval == ERROR_OK)
2902                 command_print(cmd_ctx, "Physical address 0x%08" PRIx32 "", pa);
2903
2904         return retval;
2905 }
2906
2907 static void writeData(FILE *f, const void *data, size_t len)
2908 {
2909         size_t written = fwrite(data, 1, len, f);
2910         if (written != len)
2911                 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
2912 }
2913
2914 static void writeLong(FILE *f, int l)
2915 {
2916         int i;
2917         for (i = 0; i < 4; i++)
2918         {
2919                 char c = (l >> (i*8))&0xff;
2920                 writeData(f, &c, 1);
2921         }
2922
2923 }
2924
2925 static void writeString(FILE *f, char *s)
2926 {
2927         writeData(f, s, strlen(s));
2928 }
2929
2930 /* Dump a gmon.out histogram file. */
2931 static void writeGmon(uint32_t *samples, uint32_t sampleNum, const char *filename)
2932 {
2933         uint32_t i;
2934         FILE *f = fopen(filename, "w");
2935         if (f == NULL)
2936                 return;
2937         writeString(f, "gmon");
2938         writeLong(f, 0x00000001); /* Version */
2939         writeLong(f, 0); /* padding */
2940         writeLong(f, 0); /* padding */
2941         writeLong(f, 0); /* padding */
2942
2943         uint8_t zero = 0;  /* GMON_TAG_TIME_HIST */
2944         writeData(f, &zero, 1);
2945
2946         /* figure out bucket size */
2947         uint32_t min = samples[0];
2948         uint32_t max = samples[0];
2949         for (i = 0; i < sampleNum; i++)
2950         {
2951                 if (min > samples[i])
2952                 {
2953                         min = samples[i];
2954                 }
2955                 if (max < samples[i])
2956                 {
2957                         max = samples[i];
2958                 }
2959         }
2960
2961         int addressSpace = (max-min + 1);
2962
2963         static const uint32_t maxBuckets = 256 * 1024; /* maximum buckets. */
2964         uint32_t length = addressSpace;
2965         if (length > maxBuckets)
2966         {
2967                 length = maxBuckets;
2968         }
2969         int *buckets = malloc(sizeof(int)*length);
2970         if (buckets == NULL)
2971         {
2972                 fclose(f);
2973                 return;
2974         }
2975         memset(buckets, 0, sizeof(int)*length);
2976         for (i = 0; i < sampleNum;i++)
2977         {
2978                 uint32_t address = samples[i];
2979                 long long a = address-min;
2980                 long long b = length-1;
2981                 long long c = addressSpace-1;
2982                 int index = (a*b)/c; /* danger!!!! int32 overflows */
2983                 buckets[index]++;
2984         }
2985
2986         /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
2987         writeLong(f, min);                      /* low_pc */
2988         writeLong(f, max);                      /* high_pc */
2989         writeLong(f, length);           /* # of samples */
2990         writeLong(f, 64000000);         /* 64MHz */
2991         writeString(f, "seconds");
2992         for (i = 0; i < (15-strlen("seconds")); i++)
2993                 writeData(f, &zero, 1);
2994         writeString(f, "s");
2995
2996         /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
2997
2998         char *data = malloc(2*length);
2999         if (data != NULL)
3000         {
3001                 for (i = 0; i < length;i++)
3002                 {
3003                         int val;
3004                         val = buckets[i];
3005                         if (val > 65535)
3006                         {
3007                                 val = 65535;
3008                         }
3009                         data[i*2]=val&0xff;
3010                         data[i*2 + 1]=(val >> 8)&0xff;
3011                 }
3012                 free(buckets);
3013                 writeData(f, data, length * 2);
3014                 free(data);
3015         } else
3016         {
3017                 free(buckets);
3018         }
3019
3020         fclose(f);
3021 }
3022
3023 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
3024 COMMAND_HANDLER(handle_profile_command)
3025 {
3026         struct target *target = get_current_target(cmd_ctx);
3027         struct timeval timeout, now;
3028
3029         gettimeofday(&timeout, NULL);
3030         if (argc != 2)
3031         {
3032                 return ERROR_COMMAND_SYNTAX_ERROR;
3033         }
3034         unsigned offset;
3035         COMMAND_PARSE_NUMBER(uint, args[0], offset);
3036
3037         timeval_add_time(&timeout, offset, 0);
3038
3039         command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
3040
3041         static const int maxSample = 10000;
3042         uint32_t *samples = malloc(sizeof(uint32_t)*maxSample);
3043         if (samples == NULL)
3044                 return ERROR_OK;
3045
3046         int numSamples = 0;
3047         /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
3048         struct reg *reg = register_get_by_name(target->reg_cache, "pc", 1);
3049
3050         for (;;)
3051         {
3052                 int retval;
3053                 target_poll(target);
3054                 if (target->state == TARGET_HALTED)
3055                 {
3056                         uint32_t t=*((uint32_t *)reg->value);
3057                         samples[numSamples++]=t;
3058                         retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3059                         target_poll(target);
3060                         alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
3061                 } else if (target->state == TARGET_RUNNING)
3062                 {
3063                         /* We want to quickly sample the PC. */
3064                         if ((retval = target_halt(target)) != ERROR_OK)
3065                         {
3066                                 free(samples);
3067                                 return retval;
3068                         }
3069                 } else
3070                 {
3071                         command_print(cmd_ctx, "Target not halted or running");
3072                         retval = ERROR_OK;
3073                         break;
3074                 }
3075                 if (retval != ERROR_OK)
3076                 {
3077                         break;
3078                 }
3079
3080                 gettimeofday(&now, NULL);
3081                 if ((numSamples >= maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
3082                 {
3083                         command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
3084                         if ((retval = target_poll(target)) != ERROR_OK)
3085                         {
3086                                 free(samples);
3087                                 return retval;
3088                         }
3089                         if (target->state == TARGET_HALTED)
3090                         {
3091                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3092                         }
3093                         if ((retval = target_poll(target)) != ERROR_OK)
3094                         {
3095                                 free(samples);
3096                                 return retval;
3097                         }
3098                         writeGmon(samples, numSamples, args[1]);
3099                         command_print(cmd_ctx, "Wrote %s", args[1]);
3100                         break;
3101                 }
3102         }
3103         free(samples);
3104
3105         return ERROR_OK;
3106 }
3107
3108 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t val)
3109 {
3110         char *namebuf;
3111         Jim_Obj *nameObjPtr, *valObjPtr;
3112         int result;
3113
3114         namebuf = alloc_printf("%s(%d)", varname, idx);
3115         if (!namebuf)
3116                 return JIM_ERR;
3117
3118         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3119         valObjPtr = Jim_NewIntObj(interp, val);
3120         if (!nameObjPtr || !valObjPtr)
3121         {
3122                 free(namebuf);
3123                 return JIM_ERR;
3124         }
3125
3126         Jim_IncrRefCount(nameObjPtr);
3127         Jim_IncrRefCount(valObjPtr);
3128         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
3129         Jim_DecrRefCount(interp, nameObjPtr);
3130         Jim_DecrRefCount(interp, valObjPtr);
3131         free(namebuf);
3132         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
3133         return result;
3134 }
3135
3136 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3137 {
3138         struct command_context *context;
3139         struct target *target;
3140
3141         context = Jim_GetAssocData(interp, "context");
3142         if (context == NULL)
3143         {
3144                 LOG_ERROR("mem2array: no command context");
3145                 return JIM_ERR;
3146         }
3147         target = get_current_target(context);
3148         if (target == NULL)
3149         {
3150                 LOG_ERROR("mem2array: no current target");
3151                 return JIM_ERR;
3152         }
3153
3154         return  target_mem2array(interp, target, argc-1, argv + 1);
3155 }
3156
3157 static int target_mem2array(Jim_Interp *interp, struct target *target, int argc, Jim_Obj *const *argv)
3158 {
3159         long l;
3160         uint32_t width;
3161         int len;
3162         uint32_t addr;
3163         uint32_t count;
3164         uint32_t v;
3165         const char *varname;
3166         uint8_t buffer[4096];
3167         int  n, e, retval;
3168         uint32_t i;
3169
3170         /* argv[1] = name of array to receive the data
3171          * argv[2] = desired width
3172          * argv[3] = memory address
3173          * argv[4] = count of times to read
3174          */
3175         if (argc != 4) {
3176                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3177                 return JIM_ERR;
3178         }
3179         varname = Jim_GetString(argv[0], &len);
3180         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3181
3182         e = Jim_GetLong(interp, argv[1], &l);
3183         width = l;
3184         if (e != JIM_OK) {
3185                 return e;
3186         }
3187
3188         e = Jim_GetLong(interp, argv[2], &l);
3189         addr = l;
3190         if (e != JIM_OK) {
3191                 return e;
3192         }
3193         e = Jim_GetLong(interp, argv[3], &l);
3194         len = l;
3195         if (e != JIM_OK) {
3196                 return e;
3197         }
3198         switch (width) {
3199                 case 8:
3200                         width = 1;
3201                         break;
3202                 case 16:
3203                         width = 2;
3204                         break;
3205                 case 32:
3206                         width = 4;
3207                         break;
3208                 default:
3209                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3210                         Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3211                         return JIM_ERR;
3212         }
3213         if (len == 0) {
3214                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3215                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
3216                 return JIM_ERR;
3217         }
3218         if ((addr + (len * width)) < addr) {
3219                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3220                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
3221                 return JIM_ERR;
3222         }
3223         /* absurd transfer size? */
3224         if (len > 65536) {
3225                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3226                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
3227                 return JIM_ERR;
3228         }
3229
3230         if ((width == 1) ||
3231                 ((width == 2) && ((addr & 1) == 0)) ||
3232                 ((width == 4) && ((addr & 3) == 0))) {
3233                 /* all is well */
3234         } else {
3235                 char buf[100];
3236                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3237                 sprintf(buf, "mem2array address: 0x%08" PRIx32 " is not aligned for %" PRId32 " byte reads",
3238                                 addr,
3239                                 width);
3240                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3241                 return JIM_ERR;
3242         }
3243
3244         /* Transfer loop */
3245
3246         /* index counter */
3247         n = 0;
3248         /* assume ok */
3249         e = JIM_OK;
3250         while (len) {
3251                 /* Slurp... in buffer size chunks */
3252
3253                 count = len; /* in objects.. */
3254                 if (count > (sizeof(buffer)/width)) {
3255                         count = (sizeof(buffer)/width);
3256                 }
3257
3258                 retval = target_read_memory(target, addr, width, count, buffer);
3259                 if (retval != ERROR_OK) {
3260                         /* BOO !*/
3261                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed",
3262                                           (unsigned int)addr,
3263                                           (int)width,
3264                                           (int)count);
3265                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3266                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
3267                         e = JIM_ERR;
3268                         len = 0;
3269                 } else {
3270                         v = 0; /* shut up gcc */
3271                         for (i = 0 ;i < count ;i++, n++) {
3272                                 switch (width) {
3273                                         case 4:
3274                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
3275                                                 break;
3276                                         case 2:
3277                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
3278                                                 break;
3279                                         case 1:
3280                                                 v = buffer[i] & 0x0ff;
3281                                                 break;
3282                                 }
3283                                 new_int_array_element(interp, varname, n, v);
3284                         }
3285                         len -= count;
3286                 }
3287         }
3288
3289         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3290
3291         return JIM_OK;
3292 }
3293
3294 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t *val)
3295 {
3296         char *namebuf;
3297         Jim_Obj *nameObjPtr, *valObjPtr;
3298         int result;
3299         long l;
3300
3301         namebuf = alloc_printf("%s(%d)", varname, idx);
3302         if (!namebuf)
3303                 return JIM_ERR;
3304
3305         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3306         if (!nameObjPtr)
3307         {
3308                 free(namebuf);
3309                 return JIM_ERR;
3310         }
3311
3312         Jim_IncrRefCount(nameObjPtr);
3313         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
3314         Jim_DecrRefCount(interp, nameObjPtr);
3315         free(namebuf);
3316         if (valObjPtr == NULL)
3317                 return JIM_ERR;
3318
3319         result = Jim_GetLong(interp, valObjPtr, &l);
3320         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
3321         *val = l;
3322         return result;
3323 }
3324
3325 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3326 {
3327         struct command_context *context;
3328         struct target *target;
3329
3330         context = Jim_GetAssocData(interp, "context");
3331         if (context == NULL) {
3332                 LOG_ERROR("array2mem: no command context");
3333                 return JIM_ERR;
3334         }
3335         target = get_current_target(context);
3336         if (target == NULL) {
3337                 LOG_ERROR("array2mem: no current target");
3338                 return JIM_ERR;
3339         }
3340
3341         return target_array2mem(interp,target, argc-1, argv + 1);
3342 }
3343 static int target_array2mem(Jim_Interp *interp, struct target *target, int argc, Jim_Obj *const *argv)
3344 {
3345         long l;
3346         uint32_t width;
3347         int len;
3348         uint32_t addr;
3349         uint32_t count;
3350         uint32_t v;
3351         const char *varname;
3352         uint8_t buffer[4096];
3353         int  n, e, retval;
3354         uint32_t i;
3355
3356         /* argv[1] = name of array to get the data
3357          * argv[2] = desired width
3358          * argv[3] = memory address
3359          * argv[4] = count to write
3360          */
3361         if (argc != 4) {
3362                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3363                 return JIM_ERR;
3364         }
3365         varname = Jim_GetString(argv[0], &len);
3366         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3367
3368         e = Jim_GetLong(interp, argv[1], &l);
3369         width = l;
3370         if (e != JIM_OK) {
3371                 return e;
3372         }
3373
3374         e = Jim_GetLong(interp, argv[2], &l);
3375         addr = l;
3376         if (e != JIM_OK) {
3377                 return e;
3378         }
3379         e = Jim_GetLong(interp, argv[3], &l);
3380         len = l;
3381         if (e != JIM_OK) {
3382                 return e;
3383         }
3384         switch (width) {
3385                 case 8:
3386                         width = 1;
3387                         break;
3388                 case 16:
3389                         width = 2;
3390                         break;
3391                 case 32:
3392                         width = 4;
3393                         break;
3394                 default:
3395                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3396                         Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3397                         return JIM_ERR;
3398         }
3399         if (len == 0) {
3400                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3401                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
3402                 return JIM_ERR;
3403         }
3404         if ((addr + (len * width)) < addr) {
3405                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3406                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
3407                 return JIM_ERR;
3408         }
3409         /* absurd transfer size? */
3410         if (len > 65536) {
3411                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3412                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
3413                 return JIM_ERR;
3414         }
3415
3416         if ((width == 1) ||
3417                 ((width == 2) && ((addr & 1) == 0)) ||
3418                 ((width == 4) && ((addr & 3) == 0))) {
3419                 /* all is well */
3420         } else {
3421                 char buf[100];
3422                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3423                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads",
3424                                 (unsigned int)addr,
3425                                 (int)width);
3426                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3427                 return JIM_ERR;
3428         }
3429
3430         /* Transfer loop */
3431
3432         /* index counter */
3433         n = 0;
3434         /* assume ok */
3435         e = JIM_OK;
3436         while (len) {
3437                 /* Slurp... in buffer size chunks */
3438
3439                 count = len; /* in objects.. */
3440                 if (count > (sizeof(buffer)/width)) {
3441                         count = (sizeof(buffer)/width);
3442                 }
3443
3444                 v = 0; /* shut up gcc */
3445                 for (i = 0 ;i < count ;i++, n++) {
3446                         get_int_array_element(interp, varname, n, &v);
3447                         switch (width) {
3448                         case 4:
3449                                 target_buffer_set_u32(target, &buffer[i*width], v);
3450                                 break;
3451                         case 2:
3452                                 target_buffer_set_u16(target, &buffer[i*width], v);
3453                                 break;
3454                         case 1:
3455                                 buffer[i] = v & 0x0ff;
3456                                 break;
3457                         }
3458                 }
3459                 len -= count;
3460
3461                 retval = target_write_memory(target, addr, width, count, buffer);
3462                 if (retval != ERROR_OK) {
3463                         /* BOO !*/
3464                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed",
3465                                           (unsigned int)addr,
3466                                           (int)width,
3467                                           (int)count);
3468                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3469                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3470                         e = JIM_ERR;
3471                         len = 0;
3472                 }
3473         }
3474
3475         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3476
3477         return JIM_OK;
3478 }
3479
3480 void target_all_handle_event(enum target_event e)
3481 {
3482         struct target *target;
3483
3484         LOG_DEBUG("**all*targets: event: %d, %s",
3485                            (int)e,
3486                            Jim_Nvp_value2name_simple(nvp_target_event, e)->name);
3487
3488         target = all_targets;
3489         while (target) {
3490                 target_handle_event(target, e);
3491                 target = target->next;
3492         }
3493 }
3494
3495
3496 /* FIX? should we propagate errors here rather than printing them
3497  * and continuing?
3498  */
3499 void target_handle_event(struct target *target, enum target_event e)
3500 {
3501         struct target_event_action *teap;
3502
3503         for (teap = target->event_action; teap != NULL; teap = teap->next) {
3504                 if (teap->event == e) {
3505                         LOG_DEBUG("target: (%d) %s (%s) event: %d (%s) action: %s",
3506                                            target->target_number,
3507                                            target->cmd_name,
3508                                            target_get_name(target),
3509                                            e,
3510                                            Jim_Nvp_value2name_simple(nvp_target_event, e)->name,
3511                                            Jim_GetString(teap->body, NULL));
3512                         if (Jim_EvalObj(interp, teap->body) != JIM_OK)
3513                         {
3514                                 Jim_PrintErrorMessage(interp);
3515                         }
3516                 }
3517         }
3518 }
3519
3520 enum target_cfg_param {
3521         TCFG_TYPE,
3522         TCFG_EVENT,
3523         TCFG_WORK_AREA_VIRT,
3524         TCFG_WORK_AREA_PHYS,
3525         TCFG_WORK_AREA_SIZE,
3526         TCFG_WORK_AREA_BACKUP,
3527         TCFG_ENDIAN,
3528         TCFG_VARIANT,
3529         TCFG_CHAIN_POSITION,
3530 };
3531
3532 static Jim_Nvp nvp_config_opts[] = {
3533         { .name = "-type",             .value = TCFG_TYPE },
3534         { .name = "-event",            .value = TCFG_EVENT },
3535         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3536         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3537         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3538         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3539         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3540         { .name = "-variant",          .value = TCFG_VARIANT },
3541         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3542
3543         { .name = NULL, .value = -1 }
3544 };
3545
3546 static int target_configure(Jim_GetOptInfo *goi, struct target *target)
3547 {
3548         Jim_Nvp *n;
3549         Jim_Obj *o;
3550         jim_wide w;
3551         char *cp;
3552         int e;
3553
3554         /* parse config or cget options ... */
3555         while (goi->argc > 0) {
3556                 Jim_SetEmptyResult(goi->interp);
3557                 /* Jim_GetOpt_Debug(goi); */
3558
3559                 if (target->type->target_jim_configure) {
3560                         /* target defines a configure function */
3561                         /* target gets first dibs on parameters */
3562                         e = (*(target->type->target_jim_configure))(target, goi);
3563                         if (e == JIM_OK) {
3564                                 /* more? */
3565                                 continue;
3566                         }
3567                         if (e == JIM_ERR) {
3568                                 /* An error */
3569                                 return e;
3570                         }
3571                         /* otherwise we 'continue' below */
3572                 }
3573                 e = Jim_GetOpt_Nvp(goi, nvp_config_opts, &n);
3574                 if (e != JIM_OK) {
3575                         Jim_GetOpt_NvpUnknown(goi, nvp_config_opts, 0);
3576                         return e;
3577                 }
3578                 switch (n->value) {
3579                 case TCFG_TYPE:
3580                         /* not setable */
3581                         if (goi->isconfigure) {
3582                                 Jim_SetResult_sprintf(goi->interp, "not setable: %s", n->name);
3583                                 return JIM_ERR;
3584                         } else {
3585                         no_params:
3586                                 if (goi->argc != 0) {
3587                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "NO PARAMS");
3588                                         return JIM_ERR;
3589                                 }
3590                         }
3591                         Jim_SetResultString(goi->interp, target_get_name(target), -1);
3592                         /* loop for more */
3593                         break;
3594                 case TCFG_EVENT:
3595                         if (goi->argc == 0) {
3596                                 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3597                                 return JIM_ERR;
3598                         }
3599
3600                         e = Jim_GetOpt_Nvp(goi, nvp_target_event, &n);
3601                         if (e != JIM_OK) {
3602                                 Jim_GetOpt_NvpUnknown(goi, nvp_target_event, 1);
3603                                 return e;
3604                         }
3605
3606                         if (goi->isconfigure) {
3607                                 if (goi->argc != 1) {
3608                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3609                                         return JIM_ERR;
3610                                 }
3611                         } else {
3612                                 if (goi->argc != 0) {
3613                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3614                                         return JIM_ERR;
3615                                 }
3616                         }
3617
3618                         {
3619                                 struct target_event_action *teap;
3620
3621                                 teap = target->event_action;
3622                                 /* replace existing? */
3623                                 while (teap) {
3624                                         if (teap->event == (enum target_event)n->value) {
3625                                                 break;
3626                                         }
3627                                         teap = teap->next;
3628                                 }
3629
3630                                 if (goi->isconfigure) {
3631                                         bool replace = true;
3632                                         if (teap == NULL) {
3633                                                 /* create new */
3634                                                 teap = calloc(1, sizeof(*teap));
3635                                                 replace = false;
3636                                         }
3637                                         teap->event = n->value;
3638                                         Jim_GetOpt_Obj(goi, &o);
3639                                         if (teap->body) {
3640                                                 Jim_DecrRefCount(interp, teap->body);
3641                                         }
3642                                         teap->body  = Jim_DuplicateObj(goi->interp, o);
3643                                         /*
3644                                          * FIXME:
3645                                          *     Tcl/TK - "tk events" have a nice feature.
3646                                          *     See the "BIND" command.
3647                                          *    We should support that here.
3648                                          *     You can specify %X and %Y in the event code.
3649                                          *     The idea is: %T - target name.
3650                                          *     The idea is: %N - target number
3651                                          *     The idea is: %E - event name.
3652                                          */
3653                                         Jim_IncrRefCount(teap->body);
3654
3655                                         if (!replace)
3656                                         {
3657                                                 /* add to head of event list */
3658                                                 teap->next = target->event_action;
3659                                                 target->event_action = teap;
3660                                         }
3661                                         Jim_SetEmptyResult(goi->interp);
3662                                 } else {
3663                                         /* get */
3664                                         if (teap == NULL) {
3665                                                 Jim_SetEmptyResult(goi->interp);
3666                                         } else {
3667                                                 Jim_SetResult(goi->interp, Jim_DuplicateObj(goi->interp, teap->body));
3668                                         }
3669                                 }
3670                         }
3671                         /* loop for more */
3672                         break;
3673
3674                 case TCFG_WORK_AREA_VIRT:
3675                         if (goi->isconfigure) {
3676                                 target_free_all_working_areas(target);
3677                                 e = Jim_GetOpt_Wide(goi, &w);
3678                                 if (e != JIM_OK) {
3679                                         return e;
3680                                 }
3681                                 target->working_area_virt = w;
3682                                 target->working_area_virt_spec = true;
3683                         } else {
3684                                 if (goi->argc != 0) {
3685                                         goto no_params;
3686                                 }
3687                         }
3688                         Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_virt));
3689                         /* loop for more */
3690                         break;
3691
3692                 case TCFG_WORK_AREA_PHYS:
3693                         if (goi->isconfigure) {
3694                                 target_free_all_working_areas(target);
3695                                 e = Jim_GetOpt_Wide(goi, &w);
3696                                 if (e != JIM_OK) {
3697                                         return e;
3698                                 }
3699                                 target->working_area_phys = w;
3700                                 target->working_area_phys_spec = true;
3701                         } else {
3702                                 if (goi->argc != 0) {
3703                                         goto no_params;
3704                                 }
3705                         }
3706                         Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_phys));
3707                         /* loop for more */
3708                         break;
3709
3710                 case TCFG_WORK_AREA_SIZE:
3711                         if (goi->isconfigure) {
3712                                 target_free_all_working_areas(target);
3713                                 e = Jim_GetOpt_Wide(goi, &w);
3714                                 if (e != JIM_OK) {
3715                                         return e;
3716                                 }
3717                                 target->working_area_size = w;
3718                         } else {
3719                                 if (goi->argc != 0) {
3720                                         goto no_params;
3721                                 }
3722                         }
3723                         Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_size));
3724                         /* loop for more */
3725                         break;
3726
3727                 case TCFG_WORK_AREA_BACKUP:
3728                         if (goi->isconfigure) {
3729                                 target_free_all_working_areas(target);
3730                                 e = Jim_GetOpt_Wide(goi, &w);
3731                                 if (e != JIM_OK) {
3732                                         return e;
3733                                 }
3734                                 /* make this exactly 1 or 0 */
3735                                 target->backup_working_area = (!!w);
3736                         } else {
3737                                 if (goi->argc != 0) {
3738                                         goto no_params;
3739                                 }
3740                         }
3741                         Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->backup_working_area));
3742                         /* loop for more e*/
3743                         break;
3744
3745                 case TCFG_ENDIAN:
3746                         if (goi->isconfigure) {
3747                                 e = Jim_GetOpt_Nvp(goi, nvp_target_endian, &n);
3748                                 if (e != JIM_OK) {
3749                                         Jim_GetOpt_NvpUnknown(goi, nvp_target_endian, 1);
3750                                         return e;
3751                                 }
3752                                 target->endianness = n->value;
3753                         } else {
3754                                 if (goi->argc != 0) {
3755                                         goto no_params;
3756                                 }
3757                         }
3758                         n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
3759                         if (n->name == NULL) {
3760                                 target->endianness = TARGET_LITTLE_ENDIAN;
3761                                 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
3762                         }
3763                         Jim_SetResultString(goi->interp, n->name, -1);
3764                         /* loop for more */
3765                         break;
3766
3767                 case TCFG_VARIANT:
3768                         if (goi->isconfigure) {
3769                                 if (goi->argc < 1) {
3770                                         Jim_SetResult_sprintf(goi->interp,
3771                                                                                    "%s ?STRING?",
3772                                                                                    n->name);
3773                                         return JIM_ERR;
3774                                 }
3775                                 if (target->variant) {
3776                                         free((void *)(target->variant));
3777                                 }
3778                                 e = Jim_GetOpt_String(goi, &cp, NULL);
3779                                 target->variant = strdup(cp);
3780                         } else {
3781                                 if (goi->argc != 0) {
3782                                         goto no_params;
3783                                 }
3784                         }
3785                         Jim_SetResultString(goi->interp, target->variant,-1);
3786                         /* loop for more */
3787                         break;
3788                 case TCFG_CHAIN_POSITION:
3789                         if (goi->isconfigure) {
3790                                 Jim_Obj *o;
3791                                 struct jtag_tap *tap;
3792                                 target_free_all_working_areas(target);
3793                                 e = Jim_GetOpt_Obj(goi, &o);
3794                                 if (e != JIM_OK) {
3795                                         return e;
3796                                 }
3797                                 tap = jtag_tap_by_jim_obj(goi->interp, o);
3798                                 if (tap == NULL) {
3799                                         return JIM_ERR;
3800                                 }
3801                                 /* make this exactly 1 or 0 */
3802                                 target->tap = tap;
3803                         } else {
3804                                 if (goi->argc != 0) {
3805                                         goto no_params;
3806                                 }
3807                         }
3808                         Jim_SetResultString(interp, target->tap->dotted_name, -1);
3809                         /* loop for more e*/
3810                         break;
3811                 }
3812         } /* while (goi->argc) */
3813
3814
3815                 /* done - we return */
3816         return JIM_OK;
3817 }
3818
3819 /** this is the 'tcl' handler for the target specific command */
3820 static int tcl_target_func(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3821 {
3822         Jim_GetOptInfo goi;
3823         jim_wide a,b,c;
3824         int x,y,z;
3825         uint8_t  target_buf[32];
3826         Jim_Nvp *n;
3827         struct target *target;
3828         struct command_context *cmd_ctx;
3829         int e;
3830
3831         enum {
3832                 TS_CMD_CONFIGURE,
3833                 TS_CMD_CGET,
3834
3835                 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3836                 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3837                 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3838                 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3839                 TS_CMD_EXAMINE,
3840                 TS_CMD_POLL,
3841                 TS_CMD_RESET,
3842                 TS_CMD_HALT,
3843                 TS_CMD_WAITSTATE,
3844                 TS_CMD_EVENTLIST,
3845                 TS_CMD_CURSTATE,
3846                 TS_CMD_INVOKE_EVENT,
3847         };
3848
3849         static const Jim_Nvp target_options[] = {
3850                 { .name = "configure", .value = TS_CMD_CONFIGURE },
3851                 { .name = "cget", .value = TS_CMD_CGET },
3852                 { .name = "mww", .value = TS_CMD_MWW },
3853                 { .name = "mwh", .value = TS_CMD_MWH },
3854                 { .name = "mwb", .value = TS_CMD_MWB },
3855                 { .name = "mdw", .value = TS_CMD_MDW },
3856                 { .name = "mdh", .value = TS_CMD_MDH },
3857                 { .name = "mdb", .value = TS_CMD_MDB },
3858                 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3859                 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3860                 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3861                 { .name = "curstate",  .value = TS_CMD_CURSTATE },
3862
3863                 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3864                 { .name = "arp_poll", .value = TS_CMD_POLL },
3865                 { .name = "arp_reset", .value = TS_CMD_RESET },
3866                 { .name = "arp_halt", .value = TS_CMD_HALT },
3867                 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3868                 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3869
3870                 { .name = NULL, .value = -1 },
3871         };
3872
3873         /* go past the "command" */
3874         Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
3875
3876         target = Jim_CmdPrivData(goi.interp);
3877         cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3878
3879         /* commands here are in an NVP table */
3880         e = Jim_GetOpt_Nvp(&goi, target_options, &n);
3881         if (e != JIM_OK) {
3882                 Jim_GetOpt_NvpUnknown(&goi, target_options, 0);
3883                 return e;
3884         }
3885         /* Assume blank result */
3886         Jim_SetEmptyResult(goi.interp);
3887
3888         switch (n->value) {
3889         case TS_CMD_CONFIGURE:
3890                 if (goi.argc < 2) {
3891                         Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3892                         return JIM_ERR;
3893                 }
3894                 goi.isconfigure = 1;
3895                 return target_configure(&goi, target);
3896         case TS_CMD_CGET:
3897                 // some things take params
3898                 if (goi.argc < 1) {
3899                         Jim_WrongNumArgs(goi.interp, 0, goi.argv, "missing: ?-option?");
3900                         return JIM_ERR;
3901                 }
3902                 goi.isconfigure = 0;
3903                 return target_configure(&goi, target);
3904                 break;
3905         case TS_CMD_MWW:
3906         case TS_CMD_MWH:
3907         case TS_CMD_MWB:
3908                 /* argv[0] = cmd
3909                  * argv[1] = address
3910                  * argv[2] = data
3911                  * argv[3] = optional count.
3912                  */
3913
3914                 if ((goi.argc == 2) || (goi.argc == 3)) {
3915                         /* all is well */
3916                 } else {
3917                 mwx_error:
3918                         Jim_SetResult_sprintf(goi.interp, "expected: %s ADDR DATA [COUNT]", n->name);
3919                         return JIM_ERR;
3920                 }
3921
3922                 e = Jim_GetOpt_Wide(&goi, &a);
3923                 if (e != JIM_OK) {
3924                         goto mwx_error;
3925                 }
3926
3927                 e = Jim_GetOpt_Wide(&goi, &b);
3928                 if (e != JIM_OK) {
3929                         goto mwx_error;
3930                 }
3931                 if (goi.argc == 3) {
3932                         e = Jim_GetOpt_Wide(&goi, &c);
3933                         if (e != JIM_OK) {
3934                                 goto mwx_error;
3935                         }
3936                 } else {
3937                         c = 1;
3938                 }
3939
3940                 switch (n->value) {
3941                 case TS_CMD_MWW:
3942                         target_buffer_set_u32(target, target_buf, b);
3943                         b = 4;
3944                         break;
3945                 case TS_CMD_MWH:
3946                         target_buffer_set_u16(target, target_buf, b);
3947                         b = 2;
3948                         break;
3949                 case TS_CMD_MWB:
3950                         target_buffer_set_u8(target, target_buf, b);
3951                         b = 1;
3952                         break;
3953                 }
3954                 for (x = 0 ; x < c ; x++) {
3955                         e = target_write_memory(target, a, b, 1, target_buf);
3956                         if (e != ERROR_OK) {
3957                                 Jim_SetResult_sprintf(interp, "Error writing @ 0x%08x: %d\n", (int)(a), e);
3958                                 return JIM_ERR;
3959                         }
3960                         /* b = width */
3961                         a = a + b;
3962                 }
3963                 return JIM_OK;
3964                 break;
3965
3966                 /* display */
3967         case TS_CMD_MDW:
3968         case TS_CMD_MDH:
3969         case TS_CMD_MDB:
3970                 /* argv[0] = command
3971                  * argv[1] = address
3972                  * argv[2] = optional count
3973                  */
3974                 if ((goi.argc == 2) || (goi.argc == 3)) {
3975                         Jim_SetResult_sprintf(goi.interp, "expected: %s ADDR [COUNT]", n->name);
3976                         return JIM_ERR;
3977                 }
3978                 e = Jim_GetOpt_Wide(&goi, &a);
3979                 if (e != JIM_OK) {
3980                         return JIM_ERR;
3981                 }
3982                 if (goi.argc) {
3983                         e = Jim_GetOpt_Wide(&goi, &c);
3984                         if (e != JIM_OK) {
3985                                 return JIM_ERR;
3986                         }
3987                 } else {
3988                         c = 1;
3989                 }
3990                 b = 1; /* shut up gcc */
3991                 switch (n->value) {
3992                 case TS_CMD_MDW:
3993                         b =  4;
3994                         break;
3995                 case TS_CMD_MDH:
3996                         b = 2;
3997                         break;
3998                 case TS_CMD_MDB:
3999                         b = 1;
4000                         break;
4001                 }
4002
4003                 /* convert to "bytes" */
4004                 c = c * b;
4005                 /* count is now in 'BYTES' */
4006                 while (c > 0) {
4007                         y = c;
4008                         if (y > 16) {
4009                                 y = 16;
4010                         }
4011                         e = target_read_memory(target, a, b, y / b, target_buf);
4012                         if (e != ERROR_OK) {
4013                                 Jim_SetResult_sprintf(interp, "error reading target @ 0x%08lx", (int)(a));
4014                                 return JIM_ERR;
4015                         }
4016
4017                         Jim_fprintf(interp, interp->cookie_stdout, "0x%08x ", (int)(a));
4018                         switch (b) {
4019                         case 4:
4020                                 for (x = 0 ; (x < 16) && (x < y) ; x += 4) {
4021                                         z = target_buffer_get_u32(target, &(target_buf[ x * 4 ]));
4022                                         Jim_fprintf(interp, interp->cookie_stdout, "%08x ", (int)(z));
4023                                 }
4024                                 for (; (x < 16) ; x += 4) {
4025                                         Jim_fprintf(interp, interp->cookie_stdout, "         ");
4026                                 }
4027                                 break;
4028                         case 2:
4029                                 for (x = 0 ; (x < 16) && (x < y) ; x += 2) {
4030                                         z = target_buffer_get_u16(target, &(target_buf[ x * 2 ]));
4031                                         Jim_fprintf(interp, interp->cookie_stdout, "%04x ", (int)(z));
4032                                 }
4033                                 for (; (x < 16) ; x += 2) {
4034                                         Jim_fprintf(interp, interp->cookie_stdout, "     ");
4035                                 }
4036                                 break;
4037                         case 1:
4038                         default:
4039                                 for (x = 0 ; (x < 16) && (x < y) ; x += 1) {
4040                                         z = target_buffer_get_u8(target, &(target_buf[ x * 4 ]));
4041                                         Jim_fprintf(interp, interp->cookie_stdout, "%02x ", (int)(z));
4042                                 }
4043                                 for (; (x < 16) ; x += 1) {
4044                                         Jim_fprintf(interp, interp->cookie_stdout, "   ");
4045                                 }
4046                                 break;
4047                         }
4048                         /* ascii-ify the bytes */
4049                         for (x = 0 ; x < y ; x++) {
4050                                 if ((target_buf[x] >= 0x20) &&
4051                                         (target_buf[x] <= 0x7e)) {
4052                                         /* good */
4053                                 } else {
4054                                         /* smack it */
4055                                         target_buf[x] = '.';
4056                                 }
4057                         }
4058                         /* space pad  */
4059                         while (x < 16) {
4060                                 target_buf[x] = ' ';
4061                                 x++;
4062                         }
4063                         /* terminate */
4064                         target_buf[16] = 0;
4065                         /* print - with a newline */
4066                         Jim_fprintf(interp, interp->cookie_stdout, "%s\n", target_buf);
4067                         /* NEXT... */
4068                         c -= 16;
4069                         a += 16;
4070                 }
4071                 return JIM_OK;
4072         case TS_CMD_MEM2ARRAY:
4073                 return target_mem2array(goi.interp, target, goi.argc, goi.argv);
4074                 break;
4075         case TS_CMD_ARRAY2MEM:
4076                 return target_array2mem(goi.interp, target, goi.argc, goi.argv);
4077                 break;
4078         case TS_CMD_EXAMINE:
4079                 if (goi.argc) {
4080                         Jim_WrongNumArgs(goi.interp, 2, argv, "[no parameters]");
4081                         return JIM_ERR;
4082                 }
4083                 if (!target->tap->enabled)
4084                         goto err_tap_disabled;
4085                 e = target->type->examine(target);
4086                 if (e != ERROR_OK) {
4087                         Jim_SetResult_sprintf(interp, "examine-fails: %d", e);
4088                         return JIM_ERR;
4089                 }
4090                 return JIM_OK;
4091         case TS_CMD_POLL:
4092                 if (goi.argc) {
4093                         Jim_WrongNumArgs(goi.interp, 2, argv, "[no parameters]");
4094                         return JIM_ERR;
4095                 }
4096                 if (!target->tap->enabled)
4097                         goto err_tap_disabled;
4098                 if (!(target_was_examined(target))) {
4099                         e = ERROR_TARGET_NOT_EXAMINED;
4100                 } else {
4101                         e = target->type->poll(target);
4102                 }
4103                 if (e != ERROR_OK) {
4104                         Jim_SetResult_sprintf(interp, "poll-fails: %d", e);
4105                         return JIM_ERR;
4106                 } else {
4107                         return JIM_OK;
4108                 }
4109                 break;
4110         case TS_CMD_RESET:
4111                 if (goi.argc != 2) {
4112                         Jim_WrongNumArgs(interp, 2, argv,
4113                                         "([tT]|[fF]|assert|deassert) BOOL");
4114                         return JIM_ERR;
4115                 }
4116                 e = Jim_GetOpt_Nvp(&goi, nvp_assert, &n);
4117                 if (e != JIM_OK) {
4118                         Jim_GetOpt_NvpUnknown(&goi, nvp_assert, 1);
4119                         return e;
4120                 }
4121                 /* the halt or not param */
4122                 e = Jim_GetOpt_Wide(&goi, &a);
4123                 if (e != JIM_OK) {
4124                         return e;
4125                 }
4126                 if (!target->tap->enabled)
4127                         goto err_tap_disabled;
4128                 if (!target->type->assert_reset
4129                                 || !target->type->deassert_reset) {
4130                         Jim_SetResult_sprintf(interp,
4131                                         "No target-specific reset for %s",
4132                                         target->cmd_name);
4133                         return JIM_ERR;
4134                 }
4135                 /* determine if we should halt or not. */
4136                 target->reset_halt = !!a;
4137                 /* When this happens - all workareas are invalid. */
4138                 target_free_all_working_areas_restore(target, 0);
4139
4140                 /* do the assert */
4141                 if (n->value == NVP_ASSERT) {
4142                         e = target->type->assert_reset(target);
4143                 } else {
4144                         e = target->type->deassert_reset(target);
4145                 }
4146                 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4147         case TS_CMD_HALT:
4148                 if (goi.argc) {
4149                         Jim_WrongNumArgs(goi.interp, 0, argv, "halt [no parameters]");
4150                         return JIM_ERR;
4151                 }
4152                 if (!target->tap->enabled)
4153                         goto err_tap_disabled;
4154                 e = target->type->halt(target);
4155                 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4156         case TS_CMD_WAITSTATE:
4157                 /* params:  <name>  statename timeoutmsecs */
4158                 if (goi.argc != 2) {
4159                         Jim_SetResult_sprintf(goi.interp, "%s STATENAME TIMEOUTMSECS", n->name);
4160                         return JIM_ERR;
4161                 }
4162                 e = Jim_GetOpt_Nvp(&goi, nvp_target_state, &n);
4163                 if (e != JIM_OK) {
4164                         Jim_GetOpt_NvpUnknown(&goi, nvp_target_state,1);
4165                         return e;
4166                 }
4167                 e = Jim_GetOpt_Wide(&goi, &a);
4168                 if (e != JIM_OK) {
4169                         return e;
4170                 }
4171                 if (!target->tap->enabled)
4172                         goto err_tap_disabled;
4173                 e = target_wait_state(target, n->value, a);
4174                 if (e != ERROR_OK) {
4175                         Jim_SetResult_sprintf(goi.interp,
4176                                                                    "target: %s wait %s fails (%d) %s",
4177                                                                    target->cmd_name,
4178                                                                    n->name,
4179                                                                    e, target_strerror_safe(e));
4180                         return JIM_ERR;
4181                 } else {
4182                         return JIM_OK;
4183                 }
4184         case TS_CMD_EVENTLIST:
4185                 /* List for human, Events defined for this target.
4186                  * scripts/programs should use 'name cget -event NAME'
4187                  */
4188                 {
4189                         struct target_event_action *teap;
4190                         teap = target->event_action;
4191                         command_print(cmd_ctx, "Event actions for target (%d) %s\n",
4192                                                    target->target_number,
4193                                                    target->cmd_name);
4194                         command_print(cmd_ctx, "%-25s | Body", "Event");
4195                         command_print(cmd_ctx, "------------------------- | ----------------------------------------");
4196                         while (teap) {
4197                                 command_print(cmd_ctx,
4198                                                            "%-25s | %s",
4199                                                            Jim_Nvp_value2name_simple(nvp_target_event, teap->event)->name,
4200                                                            Jim_GetString(teap->body, NULL));
4201                                 teap = teap->next;
4202                         }
4203                         command_print(cmd_ctx, "***END***");
4204                         return JIM_OK;
4205                 }
4206         case TS_CMD_CURSTATE:
4207                 if (goi.argc != 0) {
4208                         Jim_WrongNumArgs(goi.interp, 0, argv, "[no parameters]");
4209                         return JIM_ERR;
4210                 }
4211                 Jim_SetResultString(goi.interp,
4212                                                         target_state_name( target ),
4213                                                         -1);
4214                 return JIM_OK;
4215         case TS_CMD_INVOKE_EVENT:
4216                 if (goi.argc != 1) {
4217                         Jim_SetResult_sprintf(goi.interp, "%s ?EVENTNAME?",n->name);
4218                         return JIM_ERR;
4219                 }
4220                 e = Jim_GetOpt_Nvp(&goi, nvp_target_event, &n);
4221                 if (e != JIM_OK) {
4222                         Jim_GetOpt_NvpUnknown(&goi, nvp_target_event, 1);
4223                         return e;
4224                 }
4225                 target_handle_event(target, n->value);
4226                 return JIM_OK;
4227         }
4228         return JIM_ERR;
4229
4230 err_tap_disabled:
4231         Jim_SetResult_sprintf(interp, "[TAP is disabled]");
4232         return JIM_ERR;
4233 }
4234
4235 static int target_create(Jim_GetOptInfo *goi)
4236 {
4237         Jim_Obj *new_cmd;
4238         Jim_Cmd *cmd;
4239         const char *cp;
4240         char *cp2;
4241         int e;
4242         int x;
4243         struct target *target;
4244         struct command_context *cmd_ctx;
4245
4246         cmd_ctx = Jim_GetAssocData(goi->interp, "context");
4247         if (goi->argc < 3) {
4248                 Jim_WrongNumArgs(goi->interp, 1, goi->argv, "?name? ?type? ..options...");
4249                 return JIM_ERR;
4250         }
4251
4252         /* COMMAND */
4253         Jim_GetOpt_Obj(goi, &new_cmd);
4254         /* does this command exist? */
4255         cmd = Jim_GetCommand(goi->interp, new_cmd, JIM_ERRMSG);
4256         if (cmd) {
4257                 cp = Jim_GetString(new_cmd, NULL);
4258                 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
4259                 return JIM_ERR;
4260         }
4261
4262         /* TYPE */
4263         e = Jim_GetOpt_String(goi, &cp2, NULL);
4264         cp = cp2;
4265         /* now does target type exist */
4266         for (x = 0 ; target_types[x] ; x++) {
4267                 if (0 == strcmp(cp, target_types[x]->name)) {
4268                         /* found */
4269                         break;
4270                 }
4271         }
4272         if (target_types[x] == NULL) {
4273                 Jim_SetResult_sprintf(goi->interp, "Unknown target type %s, try one of ", cp);
4274                 for (x = 0 ; target_types[x] ; x++) {
4275                         if (target_types[x + 1]) {
4276                                 Jim_AppendStrings(goi->interp,
4277                                                                    Jim_GetResult(goi->interp),
4278                                                                    target_types[x]->name,
4279                                                                    ", ", NULL);
4280                         } else {
4281                                 Jim_AppendStrings(goi->interp,
4282                                                                    Jim_GetResult(goi->interp),
4283                                                                    " or ",
4284                                                                    target_types[x]->name,NULL);
4285                         }
4286                 }
4287                 return JIM_ERR;
4288         }
4289
4290         /* Create it */
4291         target = calloc(1,sizeof(struct target));
4292         /* set target number */
4293         target->target_number = new_target_number();
4294
4295         /* allocate memory for each unique target type */
4296         target->type = (struct target_type*)calloc(1,sizeof(struct target_type));
4297
4298         memcpy(target->type, target_types[x], sizeof(struct target_type));
4299
4300         /* will be set by "-endian" */
4301         target->endianness = TARGET_ENDIAN_UNKNOWN;
4302
4303         target->working_area        = 0x0;
4304         target->working_area_size   = 0x0;
4305         target->working_areas       = NULL;
4306         target->backup_working_area = 0;
4307
4308         target->state               = TARGET_UNKNOWN;
4309         target->debug_reason        = DBG_REASON_UNDEFINED;
4310         target->reg_cache           = NULL;
4311         target->breakpoints         = NULL;
4312         target->watchpoints         = NULL;
4313         target->next                = NULL;
4314         target->arch_info           = NULL;
4315
4316         target->display             = 1;
4317
4318         target->halt_issued                     = false;
4319
4320         /* initialize trace information */
4321         target->trace_info = malloc(sizeof(struct trace));
4322         target->trace_info->num_trace_points         = 0;
4323         target->trace_info->trace_points_size        = 0;
4324         target->trace_info->trace_points             = NULL;
4325         target->trace_info->trace_history_size       = 0;
4326         target->trace_info->trace_history            = NULL;
4327         target->trace_info->trace_history_pos        = 0;
4328         target->trace_info->trace_history_overflowed = 0;
4329
4330         target->dbgmsg          = NULL;
4331         target->dbg_msg_enabled = 0;
4332
4333         target->endianness = TARGET_ENDIAN_UNKNOWN;
4334
4335         /* Do the rest as "configure" options */
4336         goi->isconfigure = 1;
4337         e = target_configure(goi, target);
4338
4339         if (target->tap == NULL)
4340         {
4341                 Jim_SetResultString(interp, "-chain-position required when creating target", -1);
4342                 e = JIM_ERR;
4343         }
4344
4345         if (e != JIM_OK) {
4346                 free(target->type);
4347                 free(target);
4348                 return e;
4349         }
4350
4351         if (target->endianness == TARGET_ENDIAN_UNKNOWN) {
4352                 /* default endian to little if not specified */
4353                 target->endianness = TARGET_LITTLE_ENDIAN;
4354         }
4355
4356         /* incase variant is not set */
4357         if (!target->variant)
4358                 target->variant = strdup("");
4359
4360         /* create the target specific commands */
4361         if (target->type->register_commands) {
4362                 (*(target->type->register_commands))(cmd_ctx);
4363         }
4364         if (target->type->target_create) {
4365                 (*(target->type->target_create))(target, goi->interp);
4366         }
4367
4368         /* append to end of list */
4369         {
4370                 struct target **tpp;
4371                 tpp = &(all_targets);
4372                 while (*tpp) {
4373                         tpp = &((*tpp)->next);
4374                 }
4375                 *tpp = target;
4376         }
4377
4378         cp = Jim_GetString(new_cmd, NULL);
4379         target->cmd_name = strdup(cp);
4380
4381         /* now - create the new target name command */
4382         e = Jim_CreateCommand(goi->interp,
4383                                                    /* name */
4384                                                    cp,
4385                                                    tcl_target_func, /* C function */
4386                                                    target, /* private data */
4387                                                    NULL); /* no del proc */
4388
4389         return e;
4390 }
4391
4392 static int jim_target(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4393 {
4394         int x,r,e;
4395         jim_wide w;
4396         struct command_context *cmd_ctx;
4397         struct target *target;
4398         Jim_GetOptInfo goi;
4399         enum tcmd {
4400                 /* TG = target generic */
4401                 TG_CMD_CREATE,
4402                 TG_CMD_TYPES,
4403                 TG_CMD_NAMES,
4404                 TG_CMD_CURRENT,
4405                 TG_CMD_NUMBER,
4406                 TG_CMD_COUNT,
4407         };
4408         const char *target_cmds[] = {
4409                 "create", "types", "names", "current", "number",
4410                 "count",
4411                 NULL /* terminate */
4412         };
4413
4414         LOG_DEBUG("Target command params:");
4415         LOG_DEBUG("%s", Jim_Debug_ArgvString(interp, argc, argv));
4416
4417         cmd_ctx = Jim_GetAssocData(interp, "context");
4418
4419         Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
4420
4421         if (goi.argc == 0) {
4422                 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
4423                 return JIM_ERR;
4424         }
4425
4426         /* Jim_GetOpt_Debug(&goi); */
4427         r = Jim_GetOpt_Enum(&goi, target_cmds, &x);
4428         if (r != JIM_OK) {
4429                 return r;
4430         }
4431
4432         switch (x) {
4433         default:
4434                 Jim_Panic(goi.interp,"Why am I here?");
4435                 return JIM_ERR;
4436         case TG_CMD_CURRENT:
4437                 if (goi.argc != 0) {
4438                         Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4439                         return JIM_ERR;
4440                 }
4441                 Jim_SetResultString(goi.interp, get_current_target(cmd_ctx)->cmd_name, -1);
4442                 return JIM_OK;
4443         case TG_CMD_TYPES:
4444                 if (goi.argc != 0) {
4445                         Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4446                         return JIM_ERR;
4447                 }
4448                 Jim_SetResult(goi.interp, Jim_NewListObj(goi.interp, NULL, 0));
4449                 for (x = 0 ; target_types[x] ; x++) {
4450                         Jim_ListAppendElement(goi.interp,
4451                                                                    Jim_GetResult(goi.interp),
4452                                                                    Jim_NewStringObj(goi.interp, target_types[x]->name, -1));
4453                 }
4454                 return JIM_OK;
4455         case TG_CMD_NAMES:
4456                 if (goi.argc != 0) {
4457                         Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4458                         return JIM_ERR;
4459                 }
4460                 Jim_SetResult(goi.interp, Jim_NewListObj(goi.interp, NULL, 0));
4461                 target = all_targets;
4462                 while (target) {
4463                         Jim_ListAppendElement(goi.interp,
4464                                                                    Jim_GetResult(goi.interp),
4465                                                                    Jim_NewStringObj(goi.interp, target->cmd_name, -1));
4466                         target = target->next;
4467                 }
4468                 return JIM_OK;
4469         case TG_CMD_CREATE:
4470                 if (goi.argc < 3) {
4471                         Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv, "?name  ... config options ...");
4472                         return JIM_ERR;
4473                 }
4474                 return target_create(&goi);
4475                 break;
4476         case TG_CMD_NUMBER:
4477                 /* It's OK to remove this mechanism sometime after August 2010 or so */
4478                 LOG_WARNING("don't use numbers as target identifiers; use names");
4479                 if (goi.argc != 1) {
4480                         Jim_SetResult_sprintf(goi.interp, "expected: target number ?NUMBER?");
4481                         return JIM_ERR;
4482                 }
4483                 e = Jim_GetOpt_Wide(&goi, &w);
4484                 if (e != JIM_OK) {
4485                         return JIM_ERR;
4486                 }
4487                 for (x = 0, target = all_targets; target; target = target->next, x++) {
4488                         if (target->target_number == w)
4489                                 break;
4490                 }
4491                 if (target == NULL) {
4492                         Jim_SetResult_sprintf(goi.interp,
4493                                         "Target: number %d does not exist", (int)(w));
4494                         return JIM_ERR;
4495                 }
4496                 Jim_SetResultString(goi.interp, target->cmd_name, -1);
4497                 return JIM_OK;
4498         case TG_CMD_COUNT:
4499                 if (goi.argc != 0) {
4500                         Jim_WrongNumArgs(goi.interp, 0, goi.argv, "<no parameters>");
4501                         return JIM_ERR;
4502                 }
4503                 for (x = 0, target = all_targets; target; target = target->next, x++)
4504                         continue;
4505                 Jim_SetResult(goi.interp, Jim_NewIntObj(goi.interp, x));
4506                 return JIM_OK;
4507         }
4508
4509         return JIM_ERR;
4510 }
4511
4512
4513 struct FastLoad
4514 {
4515         uint32_t address;
4516         uint8_t *data;
4517         int length;
4518
4519 };
4520
4521 static int fastload_num;
4522 static struct FastLoad *fastload;
4523
4524 static void free_fastload(void)
4525 {
4526         if (fastload != NULL)
4527         {
4528                 int i;
4529                 for (i = 0; i < fastload_num; i++)
4530                 {
4531                         if (fastload[i].data)
4532                                 free(fastload[i].data);
4533                 }
4534                 free(fastload);
4535                 fastload = NULL;
4536         }
4537 }
4538
4539
4540
4541
4542 COMMAND_HANDLER(handle_fast_load_image_command)
4543 {
4544         uint8_t *buffer;
4545         uint32_t buf_cnt;
4546         uint32_t image_size;
4547         uint32_t min_address = 0;
4548         uint32_t max_address = 0xffffffff;
4549         int i;
4550
4551         struct image image;
4552
4553         int retval = CALL_COMMAND_HANDLER(parse_load_image_command_args,
4554                         &image, &min_address, &max_address);
4555         if (ERROR_OK != retval)
4556                 return retval;
4557
4558         struct duration bench;
4559         duration_start(&bench);
4560
4561         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
4562         {
4563                 return ERROR_OK;
4564         }
4565
4566         image_size = 0x0;
4567         retval = ERROR_OK;
4568         fastload_num = image.num_sections;
4569         fastload = (struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
4570         if (fastload == NULL)
4571         {
4572                 image_close(&image);
4573                 return ERROR_FAIL;
4574         }
4575         memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
4576         for (i = 0; i < image.num_sections; i++)
4577         {
4578                 buffer = malloc(image.sections[i].size);
4579                 if (buffer == NULL)
4580                 {
4581                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)",
4582                                                   (int)(image.sections[i].size));
4583                         break;
4584                 }
4585
4586                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
4587                 {
4588                         free(buffer);
4589                         break;
4590                 }
4591
4592                 uint32_t offset = 0;
4593                 uint32_t length = buf_cnt;
4594
4595
4596                 /* DANGER!!! beware of unsigned comparision here!!! */
4597
4598                 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
4599                                 (image.sections[i].base_address < max_address))
4600                 {
4601                         if (image.sections[i].base_address < min_address)
4602                         {
4603                                 /* clip addresses below */
4604                                 offset += min_address-image.sections[i].base_address;
4605                                 length -= offset;
4606                         }
4607
4608                         if (image.sections[i].base_address + buf_cnt > max_address)
4609                         {
4610                                 length -= (image.sections[i].base_address + buf_cnt)-max_address;
4611                         }
4612
4613                         fastload[i].address = image.sections[i].base_address + offset;
4614                         fastload[i].data = malloc(length);
4615                         if (fastload[i].data == NULL)
4616                         {
4617                                 free(buffer);
4618                                 break;
4619                         }
4620                         memcpy(fastload[i].data, buffer + offset, length);
4621                         fastload[i].length = length;
4622
4623                         image_size += length;
4624                         command_print(cmd_ctx, "%u bytes written at address 0x%8.8x",
4625                                                   (unsigned int)length,
4626                                                   ((unsigned int)(image.sections[i].base_address + offset)));
4627                 }
4628
4629                 free(buffer);
4630         }
4631
4632         if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
4633         {
4634                 command_print(cmd_ctx, "Loaded %" PRIu32 " bytes "
4635                                 "in %fs (%0.3f kb/s)", image_size,
4636                                 duration_elapsed(&bench), duration_kbps(&bench, image_size));
4637
4638                 command_print(cmd_ctx,
4639                                 "WARNING: image has not been loaded to target!"
4640                                 "You can issue a 'fast_load' to finish loading.");
4641         }
4642
4643         image_close(&image);
4644
4645         if (retval != ERROR_OK)
4646         {
4647                 free_fastload();
4648         }
4649
4650         return retval;
4651 }
4652
4653 COMMAND_HANDLER(handle_fast_load_command)
4654 {
4655         if (argc > 0)
4656                 return ERROR_COMMAND_SYNTAX_ERROR;
4657         if (fastload == NULL)
4658         {
4659                 LOG_ERROR("No image in memory");
4660                 return ERROR_FAIL;
4661         }
4662         int i;
4663         int ms = timeval_ms();
4664         int size = 0;
4665         int retval = ERROR_OK;
4666         for (i = 0; i < fastload_num;i++)
4667         {
4668                 struct target *target = get_current_target(cmd_ctx);
4669                 command_print(cmd_ctx, "Write to 0x%08x, length 0x%08x",
4670                                           (unsigned int)(fastload[i].address),
4671                                           (unsigned int)(fastload[i].length));
4672                 if (retval == ERROR_OK)
4673                 {
4674                         retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
4675                 }
4676                 size += fastload[i].length;
4677         }
4678         int after = timeval_ms();
4679         command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
4680         return retval;
4681 }
4682
4683 static int jim_mcrmrc(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4684 {
4685         struct command_context *context;
4686         struct target *target;
4687         int retval;
4688
4689         context = Jim_GetAssocData(interp, "context");
4690         if (context == NULL) {
4691                 LOG_ERROR("array2mem: no command context");
4692                 return JIM_ERR;
4693         }
4694         target = get_current_target(context);
4695         if (target == NULL) {
4696                 LOG_ERROR("array2mem: no current target");
4697                 return JIM_ERR;
4698         }
4699
4700         if ((argc < 6) || (argc > 7))
4701         {
4702                 return JIM_ERR;
4703         }
4704
4705         int cpnum;
4706         uint32_t op1;
4707         uint32_t op2;
4708         uint32_t CRn;
4709         uint32_t CRm;
4710         uint32_t value;
4711
4712         int e;
4713         long l;
4714         e = Jim_GetLong(interp, argv[1], &l);
4715         if (e != JIM_OK) {
4716                 return e;
4717         }
4718         cpnum = l;
4719
4720         e = Jim_GetLong(interp, argv[2], &l);
4721         if (e != JIM_OK) {
4722                 return e;
4723         }
4724         op1 = l;
4725
4726         e = Jim_GetLong(interp, argv[3], &l);
4727         if (e != JIM_OK) {
4728                 return e;
4729         }
4730         CRn = l;
4731
4732         e = Jim_GetLong(interp, argv[4], &l);
4733         if (e != JIM_OK) {
4734                 return e;
4735         }
4736         CRm = l;
4737
4738         e = Jim_GetLong(interp, argv[5], &l);
4739         if (e != JIM_OK) {
4740                 return e;
4741         }
4742         op2 = l;
4743
4744         value = 0;
4745
4746         if (argc == 7)
4747         {
4748                 e = Jim_GetLong(interp, argv[6], &l);
4749                 if (e != JIM_OK) {
4750                         return e;
4751                 }
4752                 value = l;
4753
4754                 retval = target_mcr(target, cpnum, op1, op2, CRn, CRm, value);
4755                 if (retval != ERROR_OK)
4756                         return JIM_ERR;
4757         } else
4758         {
4759                 retval = target_mrc(target, cpnum, op1, op2, CRn, CRm, &value);
4760                 if (retval != ERROR_OK)
4761                         return JIM_ERR;
4762
4763                 Jim_SetResult(interp, Jim_NewIntObj(interp, value));
4764         }
4765
4766         return JIM_OK;
4767 }
4768
4769 int target_register_commands(struct command_context *cmd_ctx)
4770 {
4771
4772         register_command(cmd_ctx, NULL, "targets",
4773                         handle_targets_command, COMMAND_EXEC,
4774                         "change current command line target (one parameter) "
4775                         "or list targets (no parameters)");
4776
4777         register_jim(cmd_ctx, "target", jim_target, "configure target");
4778
4779         return ERROR_OK;
4780 }
4781
4782 int target_register_user_commands(struct command_context *cmd_ctx)
4783 {
4784         int retval = ERROR_OK;
4785         if ((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
4786                 return retval;
4787
4788         if ((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
4789                 return retval;
4790
4791         register_command(cmd_ctx, NULL, "profile",
4792                         handle_profile_command, COMMAND_EXEC,
4793                         "profiling samples the CPU PC");
4794
4795         register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array,
4796                         "read memory and return as a TCL array for script processing "
4797                         "<ARRAYNAME> <WIDTH = 32/16/8> <ADDRESS> <COUNT>");
4798
4799         register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem,
4800                         "convert a TCL array to memory locations and write the values "
4801                         "<ARRAYNAME> <WIDTH = 32/16/8> <ADDRESS> <COUNT>");
4802
4803         register_command(cmd_ctx, NULL, "fast_load_image",
4804                         handle_fast_load_image_command, COMMAND_ANY,
4805                         "same args as load_image, image stored in memory "
4806                         "- mainly for profiling purposes");
4807
4808         register_command(cmd_ctx, NULL, "fast_load",
4809                         handle_fast_load_command, COMMAND_ANY,
4810                         "loads active fast load image to current target "
4811                         "- mainly for profiling purposes");
4812
4813         /** @todo don't register virt2phys() unless target supports it */
4814         register_command(cmd_ctx, NULL, "virt2phys",
4815                         handle_virt2phys_command, COMMAND_ANY,
4816                         "translate a virtual address into a physical address");
4817
4818         register_command(cmd_ctx,  NULL, "reg",
4819                         handle_reg_command, COMMAND_EXEC,
4820                         "display or set a register");
4821
4822         register_command(cmd_ctx,  NULL, "poll",
4823                         handle_poll_command, COMMAND_EXEC,
4824                         "poll target state");
4825         register_command(cmd_ctx,  NULL, "wait_halt",
4826                         handle_wait_halt_command, COMMAND_EXEC,
4827                         "wait for target halt [time (s)]");
4828         register_command(cmd_ctx,  NULL, "halt",
4829                         handle_halt_command, COMMAND_EXEC,
4830                         "halt target");
4831         register_command(cmd_ctx,  NULL, "resume",
4832                         handle_resume_command, COMMAND_EXEC,
4833                         "resume target [addr]");
4834         register_command(cmd_ctx,  NULL, "reset",
4835                         handle_reset_command, COMMAND_EXEC,
4836                         "reset target [run | halt | init] - default is run");
4837         register_command(cmd_ctx,  NULL, "soft_reset_halt",
4838                         handle_soft_reset_halt_command, COMMAND_EXEC,
4839                         "halt the target and do a soft reset");
4840
4841         register_command(cmd_ctx,  NULL, "step",
4842                         handle_step_command, COMMAND_EXEC,
4843                         "step one instruction from current PC or [addr]");
4844
4845         register_command(cmd_ctx,  NULL, "mdw",
4846                         handle_md_command, COMMAND_EXEC,
4847                         "display memory words [phys] <addr> [count]");
4848         register_command(cmd_ctx,  NULL, "mdh",
4849                         handle_md_command, COMMAND_EXEC,
4850                         "display memory half-words [phys] <addr> [count]");
4851         register_command(cmd_ctx,  NULL, "mdb",
4852                         handle_md_command, COMMAND_EXEC,
4853                         "display memory bytes [phys] <addr> [count]");
4854
4855         register_command(cmd_ctx,  NULL, "mww",
4856                         handle_mw_command, COMMAND_EXEC,
4857                         "write memory word [phys]  <addr> <value> [count]");
4858         register_command(cmd_ctx,  NULL, "mwh",
4859                         handle_mw_command, COMMAND_EXEC,
4860                         "write memory half-word [phys]  <addr> <value> [count]");
4861         register_command(cmd_ctx,  NULL, "mwb",
4862                         handle_mw_command, COMMAND_EXEC,
4863                         "write memory byte [phys] <addr> <value> [count]");
4864
4865         register_command(cmd_ctx,  NULL, "bp",
4866                         handle_bp_command, COMMAND_EXEC,
4867                         "list or set breakpoint [<address> <length> [hw]]");
4868         register_command(cmd_ctx,  NULL, "rbp",
4869                         handle_rbp_command, COMMAND_EXEC,
4870                         "remove breakpoint <address>");
4871
4872         register_command(cmd_ctx,  NULL, "wp",
4873                         handle_wp_command, COMMAND_EXEC,
4874                         "list or set watchpoint "
4875                                 "[<address> <length> <r/w/a> [value] [mask]]");
4876         register_command(cmd_ctx,  NULL, "rwp",
4877                         handle_rwp_command, COMMAND_EXEC,
4878                         "remove watchpoint <address>");
4879
4880         register_command(cmd_ctx,  NULL, "load_image",
4881                         handle_load_image_command, COMMAND_EXEC,
4882                         "load_image <file> <address> "
4883                         "['bin'|'ihex'|'elf'|'s19'] [min_address] [max_length]");
4884         register_command(cmd_ctx,  NULL, "dump_image",
4885                         handle_dump_image_command, COMMAND_EXEC,
4886                         "dump_image <file> <address> <size>");
4887         register_command(cmd_ctx,  NULL, "verify_image",
4888                         handle_verify_image_command, COMMAND_EXEC,
4889                         "verify_image <file> [offset] [type]");
4890         register_command(cmd_ctx,  NULL, "test_image",
4891                         handle_test_image_command, COMMAND_EXEC,
4892                         "test_image <file> [offset] [type]");
4893
4894         return ERROR_OK;
4895 }