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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, target_t *target, int argc, Jim_Obj *const *argv);
  49 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  50
  51 /* targets */
  52 extern target_type_t arm7tdmi_target;
  53 extern target_type_t arm720t_target;
  54 extern target_type_t arm9tdmi_target;
  55 extern target_type_t arm920t_target;
  56 extern target_type_t arm966e_target;
  57 extern target_type_t arm926ejs_target;
  58 extern target_type_t fa526_target;
  59 extern target_type_t feroceon_target;
  60 extern target_type_t dragonite_target;
  61 extern target_type_t xscale_target;
  62 extern target_type_t cortexm3_target;
  63 extern target_type_t cortexa8_target;
  64 extern target_type_t arm11_target;
  65 extern target_type_t mips_m4k_target;
  66 extern target_type_t avr_target;
  67
  68 target_type_t *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 target_t *all_targets = NULL;
  89 target_event_callback_t *target_event_callbacks = NULL;
  90 target_timer_callback_t *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( target_t *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         target_t *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(target_t *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(target_t *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(target_t *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(target_t *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(target_t *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(target_t *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 target_t *get_target(const char *id)
 295 {
 296         target_t *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 target_t *get_target_by_num(int num)
 326 {
 327         target_t *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 target_t* get_current_target(command_context_t *cmd_ctx)
 340 {
 341         target_t *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_s *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_s *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_s *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_s *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_s *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_s *target, int *enabled)
 471 {
 472         *enabled = 0;
 473         return ERROR_OK;
 474 }
 475
 476 static int default_examine(struct target_s *target)
 477 {
 478         target_set_examined(target);
 479         return ERROR_OK;
 480 }
 481
 482 int target_examine_one(struct target_s *target)
 483 {
 484         return target->type->examine(target);
 485 }
 486
 487 static int jtag_enable_callback(enum jtag_event event, void *priv)
 488 {
 489         target_t *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         target_t *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_s *target)
 523 {
 524         return target->type->name;
 525 }
 526
 527 static int target_write_memory_imp(struct target_s *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_s *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_s *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_s *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_s *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_s *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_s *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_s *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_s *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_s *target,
 603                 struct breakpoint_s *breakpoint)
 604 {
 605         return target->type->add_breakpoint(target, breakpoint);
 606 }
 607 int target_remove_breakpoint(struct target_s *target,
 608                 struct breakpoint_s *breakpoint)
 609 {
 610         return target->type->remove_breakpoint(target, breakpoint);
 611 }
 612
 613 int target_add_watchpoint(struct target_s *target,
 614                 struct watchpoint *watchpoint)
 615 {
 616         return target->type->add_watchpoint(target, watchpoint);
 617 }
 618 int target_remove_watchpoint(struct target_s *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_s *target,
 625                 struct reg_s **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_s *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_s *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_s *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_s *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_s *target)
 659 {
 660         target->type->examined = false;
 661 }
 662
 663
 664
 665 static int default_mrc(struct target_s *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_s *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_s *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_s *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_s *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_s *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_s *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_s *cmd_ctx)
 758 {
 759         struct target_s *target;
 760         int retval;
 761
 762         for (target = all_targets; target; target = target->next) {
 763                 struct target_type_s *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_s *target, enum target_event event, void *priv), void *priv)
 874 {
 875         target_event_callback_t **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(target_event_callback_t));
 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         target_timer_callback_t **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(target_timer_callback_t));
 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_s *target, enum target_event event, void *priv), void *priv)
 936 {
 937         target_event_callback_t **p = &target_event_callbacks;
 938         target_event_callback_t *c = target_event_callbacks;
 939
 940         if (callback == NULL)
 941         {
 942                 return ERROR_INVALID_ARGUMENTS;
 943         }
 944
 945         while (c)
 946         {
 947                 target_event_callback_t *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         target_timer_callback_t **p = &target_timer_callbacks;
 965         target_timer_callback_t *c = target_timer_callbacks;
 966
 967         if (callback == NULL)
 968         {
 969                 return ERROR_INVALID_ARGUMENTS;
 970         }
 971
 972         while (c)
 973         {
 974                 target_timer_callback_t *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(target_t *target, enum target_event event)
 990 {
 991         target_event_callback_t *callback = target_event_callbacks;
 992         target_event_callback_t *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                 target_timer_callback_t *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(target_timer_callback_t *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         target_timer_callback_t *callback = target_timer_callbacks;
1050         while (callback)
1051         {
1052                 // cleaning up may unregister and free this callback
1053                 target_timer_callback_t *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_s *target, uint32_t size, working_area_t **area)
1086 {
1087         working_area_t *c = target->working_areas;
1088         working_area_t *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                 working_area_t **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(working_area_t));
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_s *target, working_area_t *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_s *target, working_area_t *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_s *target, int restore)
1235 {
1236         working_area_t *c = target->working_areas;
1237
1238         while (c)
1239         {
1240                 working_area_t *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_s *target)
1255 {
1256         target_free_all_working_areas_restore(target, 1);
1257 }
1258
1259 int target_arch_state(struct target_s *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_s *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_s *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_s *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_s *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_s *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_s *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_s *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_s *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_s *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_s *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         target_t *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         target_t *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 (target_t *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         target_t *target;
1868         reg_t *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         target_t *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         target_t *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(target_t *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         target_t *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         target_t *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         target_t *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         target_t *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_s *cmd_ctx,
2205                 struct target_s *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_s *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         target_t *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_s *target,
2310                         uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
2311         if (physical)
2312         {
2313                 argc--;
2314                 args++;
2315                 fn=target_write_phys_memory;
2316         } else
2317         {
2318                 fn=target_write_memory;
2319         }
2320         if ((argc < 2) || (argc > 3))
2321                 return ERROR_COMMAND_SYNTAX_ERROR;
2322
2323         uint32_t address;
2324         COMMAND_PARSE_NUMBER(u32, args[0], address);
2325
2326         uint32_t value;
2327         COMMAND_PARSE_NUMBER(u32, args[1], value);
2328
2329         unsigned count = 1;
2330         if (argc == 3)
2331                 COMMAND_PARSE_NUMBER(uint, args[2], count);
2332
2333         target_t *target = get_current_target(cmd_ctx);
2334         unsigned wordsize;
2335         uint8_t value_buf[4];
2336         switch (CMD_NAME[2])
2337         {
2338                 case 'w':
2339                         wordsize = 4;
2340                         target_buffer_set_u32(target, value_buf, value);
2341                         break;
2342                 case 'h':
2343                         wordsize = 2;
2344                         target_buffer_set_u16(target, value_buf, value);
2345                         break;
2346                 case 'b':
2347                         wordsize = 1;
2348                         value_buf[0] = value;
2349                         break;
2350                 default:
2351                         return ERROR_COMMAND_SYNTAX_ERROR;
2352         }
2353         for (unsigned i = 0; i < count; i++)
2354         {
2355                 int retval = fn(target,
2356                                 address + i * wordsize, wordsize, 1, value_buf);
2357                 if (ERROR_OK != retval)
2358                         return retval;
2359                 keep_alive();
2360         }
2361
2362         return ERROR_OK;
2363
2364 }
2365
2366 static COMMAND_HELPER(parse_load_image_command_args, image_t *image,
2367                 uint32_t *min_address, uint32_t *max_address)
2368 {
2369         if (argc < 1 || argc > 5)
2370                 return ERROR_COMMAND_SYNTAX_ERROR;
2371
2372         /* a base address isn't always necessary,
2373          * default to 0x0 (i.e. don't relocate) */
2374         if (argc >= 2)
2375         {
2376                 uint32_t addr;
2377                 COMMAND_PARSE_NUMBER(u32, args[1], addr);
2378                 image->base_address = addr;
2379                 image->base_address_set = 1;
2380         }
2381         else
2382                 image->base_address_set = 0;
2383
2384         image->start_address_set = 0;
2385
2386         if (argc >= 4)
2387         {
2388                 COMMAND_PARSE_NUMBER(u32, args[3], *min_address);
2389         }
2390         if (argc == 5)
2391         {
2392                 COMMAND_PARSE_NUMBER(u32, args[4], *max_address);
2393                 // use size (given) to find max (required)
2394                 *max_address += *min_address;
2395         }
2396
2397         if (*min_address > *max_address)
2398                 return ERROR_COMMAND_SYNTAX_ERROR;
2399
2400         return ERROR_OK;
2401 }
2402
2403 COMMAND_HANDLER(handle_load_image_command)
2404 {
2405         uint8_t *buffer;
2406         uint32_t buf_cnt;
2407         uint32_t image_size;
2408         uint32_t min_address = 0;
2409         uint32_t max_address = 0xffffffff;
2410         int i;
2411         image_t image;
2412
2413         int retval = CALL_COMMAND_HANDLER(parse_load_image_command_args,
2414                         &image, &min_address, &max_address);
2415         if (ERROR_OK != retval)
2416                 return retval;
2417
2418         target_t *target = get_current_target(cmd_ctx);
2419
2420         struct duration bench;
2421         duration_start(&bench);
2422
2423         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2424         {
2425                 return ERROR_OK;
2426         }
2427
2428         image_size = 0x0;
2429         retval = ERROR_OK;
2430         for (i = 0; i < image.num_sections; i++)
2431         {
2432                 buffer = malloc(image.sections[i].size);
2433                 if (buffer == NULL)
2434                 {
2435                         command_print(cmd_ctx,
2436                                                   "error allocating buffer for section (%d bytes)",
2437                                                   (int)(image.sections[i].size));
2438                         break;
2439                 }
2440
2441                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2442                 {
2443                         free(buffer);
2444                         break;
2445                 }
2446
2447                 uint32_t offset = 0;
2448                 uint32_t length = buf_cnt;
2449
2450                 /* DANGER!!! beware of unsigned comparision here!!! */
2451
2452                 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
2453                                 (image.sections[i].base_address < max_address))
2454                 {
2455                         if (image.sections[i].base_address < min_address)
2456                         {
2457                                 /* clip addresses below */
2458                                 offset += min_address-image.sections[i].base_address;
2459                                 length -= offset;
2460                         }
2461
2462                         if (image.sections[i].base_address + buf_cnt > max_address)
2463                         {
2464                                 length -= (image.sections[i].base_address + buf_cnt)-max_address;
2465                         }
2466
2467                         if ((retval = target_write_buffer(target, image.sections[i].base_address + offset, length, buffer + offset)) != ERROR_OK)
2468                         {
2469                                 free(buffer);
2470                                 break;
2471                         }
2472                         image_size += length;
2473                         command_print(cmd_ctx, "%u bytes written at address 0x%8.8" PRIx32 "",
2474                                                   (unsigned int)length,
2475                                                   image.sections[i].base_address + offset);
2476                 }
2477
2478                 free(buffer);
2479         }
2480
2481         if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
2482         {
2483                 command_print(cmd_ctx, "downloaded %" PRIu32 " bytes "
2484                                 "in %fs (%0.3f kb/s)", image_size,
2485                                 duration_elapsed(&bench), duration_kbps(&bench, image_size));
2486         }
2487
2488         image_close(&image);
2489
2490         return retval;
2491
2492 }
2493
2494 COMMAND_HANDLER(handle_dump_image_command)
2495 {
2496         struct fileio fileio;
2497
2498         uint8_t buffer[560];
2499         int retvaltemp;
2500
2501
2502         target_t *target = get_current_target(cmd_ctx);
2503
2504         if (argc != 3)
2505         {
2506                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2507                 return ERROR_OK;
2508         }
2509
2510         uint32_t address;
2511         COMMAND_PARSE_NUMBER(u32, args[1], address);
2512         uint32_t size;
2513         COMMAND_PARSE_NUMBER(u32, args[2], size);
2514
2515         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2516         {
2517                 return ERROR_OK;
2518         }
2519
2520         struct duration bench;
2521         duration_start(&bench);
2522
2523         int retval = ERROR_OK;
2524         while (size > 0)
2525         {
2526                 uint32_t size_written;
2527                 uint32_t this_run_size = (size > 560) ? 560 : size;
2528                 retval = target_read_buffer(target, address, this_run_size, buffer);
2529                 if (retval != ERROR_OK)
2530                 {
2531                         break;
2532                 }
2533
2534                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2535                 if (retval != ERROR_OK)
2536                 {
2537                         break;
2538                 }
2539
2540                 size -= this_run_size;
2541                 address += this_run_size;
2542         }
2543
2544         if ((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2545                 return retvaltemp;
2546
2547         if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
2548         {
2549                 command_print(cmd_ctx,
2550                                 "dumped %lld bytes in %fs (%0.3f kb/s)", fileio.size,
2551                                 duration_elapsed(&bench), duration_kbps(&bench, fileio.size));
2552         }
2553
2554         return retval;
2555 }
2556
2557 static COMMAND_HELPER(handle_verify_image_command_internal, int verify)
2558 {
2559         uint8_t *buffer;
2560         uint32_t buf_cnt;
2561         uint32_t image_size;
2562         int i;
2563         int retval;
2564         uint32_t checksum = 0;
2565         uint32_t mem_checksum = 0;
2566
2567         image_t image;
2568
2569         target_t *target = get_current_target(cmd_ctx);
2570
2571         if (argc < 1)
2572         {
2573                 return ERROR_COMMAND_SYNTAX_ERROR;
2574         }
2575
2576         if (!target)
2577         {
2578                 LOG_ERROR("no target selected");
2579                 return ERROR_FAIL;
2580         }
2581
2582         struct duration bench;
2583         duration_start(&bench);
2584
2585         if (argc >= 2)
2586         {
2587                 uint32_t addr;
2588                 COMMAND_PARSE_NUMBER(u32, args[1], addr);
2589                 image.base_address = addr;
2590                 image.base_address_set = 1;
2591         }
2592         else
2593         {
2594                 image.base_address_set = 0;
2595                 image.base_address = 0x0;
2596         }
2597
2598         image.start_address_set = 0;
2599
2600         if ((retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2601         {
2602                 return retval;
2603         }
2604
2605         image_size = 0x0;
2606         retval = ERROR_OK;
2607         for (i = 0; i < image.num_sections; i++)
2608         {
2609                 buffer = malloc(image.sections[i].size);
2610                 if (buffer == NULL)
2611                 {
2612                         command_print(cmd_ctx,
2613                                                   "error allocating buffer for section (%d bytes)",
2614                                                   (int)(image.sections[i].size));
2615                         break;
2616                 }
2617                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2618                 {
2619                         free(buffer);
2620                         break;
2621                 }
2622
2623                 if (verify)
2624                 {
2625                         /* calculate checksum of image */
2626                         image_calculate_checksum(buffer, buf_cnt, &checksum);
2627
2628                         retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2629                         if (retval != ERROR_OK)
2630                         {
2631                                 free(buffer);
2632                                 break;
2633                         }
2634
2635                         if (checksum != mem_checksum)
2636                         {
2637                                 /* failed crc checksum, fall back to a binary compare */
2638                                 uint8_t *data;
2639
2640                                 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2641
2642                                 data = (uint8_t*)malloc(buf_cnt);
2643
2644                                 /* Can we use 32bit word accesses? */
2645                                 int size = 1;
2646                                 int count = buf_cnt;
2647                                 if ((count % 4) == 0)
2648                                 {
2649                                         size *= 4;
2650                                         count /= 4;
2651                                 }
2652                                 retval = target_read_memory(target, image.sections[i].base_address, size, count, data);
2653                                 if (retval == ERROR_OK)
2654                                 {
2655                                         uint32_t t;
2656                                         for (t = 0; t < buf_cnt; t++)
2657                                         {
2658                                                 if (data[t] != buffer[t])
2659                                                 {
2660                                                         command_print(cmd_ctx,
2661                                                                                   "Verify operation failed address 0x%08x. Was 0x%02x instead of 0x%02x\n",
2662                                                                                   (unsigned)(t + image.sections[i].base_address),
2663                                                                                   data[t],
2664                                                                                   buffer[t]);
2665                                                         free(data);
2666                                                         free(buffer);
2667                                                         retval = ERROR_FAIL;
2668                                                         goto done;
2669                                                 }
2670                                                 if ((t%16384) == 0)
2671                                                 {
2672                                                         keep_alive();
2673                                                 }
2674                                         }
2675                                 }
2676
2677                                 free(data);
2678                         }
2679                 } else
2680                 {
2681                         command_print(cmd_ctx, "address 0x%08" PRIx32 " length 0x%08" PRIx32 "",
2682                                                   image.sections[i].base_address,
2683                                                   buf_cnt);
2684                 }
2685
2686                 free(buffer);
2687                 image_size += buf_cnt;
2688         }
2689 done:
2690         if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
2691         {
2692                 command_print(cmd_ctx, "verified %" PRIu32 " bytes "
2693                                 "in %fs (%0.3f kb/s)", image_size,
2694                                 duration_elapsed(&bench), duration_kbps(&bench, image_size));
2695         }
2696
2697         image_close(&image);
2698
2699         return retval;
2700 }
2701
2702 COMMAND_HANDLER(handle_verify_image_command)
2703 {
2704         return CALL_COMMAND_HANDLER(handle_verify_image_command_internal, 1);
2705 }
2706
2707 COMMAND_HANDLER(handle_test_image_command)
2708 {
2709         return CALL_COMMAND_HANDLER(handle_verify_image_command_internal, 0);
2710 }
2711
2712 static int handle_bp_command_list(struct command_context_s *cmd_ctx)
2713 {
2714         target_t *target = get_current_target(cmd_ctx);
2715         breakpoint_t *breakpoint = target->breakpoints;
2716         while (breakpoint)
2717         {
2718                 if (breakpoint->type == BKPT_SOFT)
2719                 {
2720                         char* buf = buf_to_str(breakpoint->orig_instr,
2721                                         breakpoint->length, 16);
2722                         command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i, 0x%s",
2723                                         breakpoint->address,
2724                                         breakpoint->length,
2725                                         breakpoint->set, buf);
2726                         free(buf);
2727                 }
2728                 else
2729                 {
2730                         command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i",
2731                                                   breakpoint->address,
2732                                                   breakpoint->length, breakpoint->set);
2733                 }
2734
2735                 breakpoint = breakpoint->next;
2736         }
2737         return ERROR_OK;
2738 }
2739
2740 static int handle_bp_command_set(struct command_context_s *cmd_ctx,
2741                 uint32_t addr, uint32_t length, int hw)
2742 {
2743         target_t *target = get_current_target(cmd_ctx);
2744         int retval = breakpoint_add(target, addr, length, hw);
2745         if (ERROR_OK == retval)
2746                 command_print(cmd_ctx, "breakpoint set at 0x%8.8" PRIx32 "", addr);
2747         else
2748                 LOG_ERROR("Failure setting breakpoint");
2749         return retval;
2750 }
2751
2752 COMMAND_HANDLER(handle_bp_command)
2753 {
2754         if (argc == 0)
2755                 return handle_bp_command_list(cmd_ctx);
2756
2757         if (argc < 2 || argc > 3)
2758         {
2759                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2760                 return ERROR_COMMAND_SYNTAX_ERROR;
2761         }
2762
2763         uint32_t addr;
2764         COMMAND_PARSE_NUMBER(u32, args[0], addr);
2765         uint32_t length;
2766         COMMAND_PARSE_NUMBER(u32, args[1], length);
2767
2768         int hw = BKPT_SOFT;
2769         if (argc == 3)
2770         {
2771                 if (strcmp(args[2], "hw") == 0)
2772                         hw = BKPT_HARD;
2773                 else
2774                         return ERROR_COMMAND_SYNTAX_ERROR;
2775         }
2776
2777         return handle_bp_command_set(cmd_ctx, addr, length, hw);
2778 }
2779
2780 COMMAND_HANDLER(handle_rbp_command)
2781 {
2782         if (argc != 1)
2783                 return ERROR_COMMAND_SYNTAX_ERROR;
2784
2785         uint32_t addr;
2786         COMMAND_PARSE_NUMBER(u32, args[0], addr);
2787
2788         target_t *target = get_current_target(cmd_ctx);
2789         breakpoint_remove(target, addr);
2790
2791         return ERROR_OK;
2792 }
2793
2794 COMMAND_HANDLER(handle_wp_command)
2795 {
2796         target_t *target = get_current_target(cmd_ctx);
2797
2798         if (argc == 0)
2799         {
2800                 struct watchpoint *watchpoint = target->watchpoints;
2801
2802                 while (watchpoint)
2803                 {
2804                         command_print(cmd_ctx,
2805                                                   "address: 0x%8.8" PRIx32 ", len: 0x%8.8x, r/w/a: %i, value: 0x%8.8" PRIx32 ", mask: 0x%8.8" PRIx32 "",
2806                                                   watchpoint->address,
2807                                                   watchpoint->length,
2808                                                   (int)(watchpoint->rw),
2809                                                   watchpoint->value,
2810                                                   watchpoint->mask);
2811                         watchpoint = watchpoint->next;
2812                 }
2813                 return ERROR_OK;
2814         }
2815
2816         enum watchpoint_rw type = WPT_ACCESS;
2817         uint32_t addr = 0;
2818         uint32_t length = 0;
2819         uint32_t data_value = 0x0;
2820         uint32_t data_mask = 0xffffffff;
2821
2822         switch (argc)
2823         {
2824         case 5:
2825                 COMMAND_PARSE_NUMBER(u32, args[4], data_mask);
2826                 // fall through
2827         case 4:
2828                 COMMAND_PARSE_NUMBER(u32, args[3], data_value);
2829                 // fall through
2830         case 3:
2831                 switch (args[2][0])
2832                 {
2833                 case 'r':
2834                         type = WPT_READ;
2835                         break;
2836                 case 'w':
2837                         type = WPT_WRITE;
2838                         break;
2839                 case 'a':
2840                         type = WPT_ACCESS;
2841                         break;
2842                 default:
2843                         LOG_ERROR("invalid watchpoint mode ('%c')", args[2][0]);
2844                         return ERROR_COMMAND_SYNTAX_ERROR;
2845                 }
2846                 // fall through
2847         case 2:
2848                 COMMAND_PARSE_NUMBER(u32, args[1], length);
2849                 COMMAND_PARSE_NUMBER(u32, args[0], addr);
2850                 break;
2851
2852         default:
2853                 command_print(cmd_ctx, "usage: wp [address length "
2854                                 "[(r|w|a) [value [mask]]]]");
2855                 return ERROR_COMMAND_SYNTAX_ERROR;
2856         }
2857
2858         int retval = watchpoint_add(target, addr, length, type,
2859                         data_value, data_mask);
2860         if (ERROR_OK != retval)
2861                 LOG_ERROR("Failure setting watchpoints");
2862
2863         return retval;
2864 }
2865
2866 COMMAND_HANDLER(handle_rwp_command)
2867 {
2868         if (argc != 1)
2869                 return ERROR_COMMAND_SYNTAX_ERROR;
2870
2871         uint32_t addr;
2872         COMMAND_PARSE_NUMBER(u32, args[0], addr);
2873
2874         target_t *target = get_current_target(cmd_ctx);
2875         watchpoint_remove(target, addr);
2876
2877         return ERROR_OK;
2878 }
2879
2880
2881 /**
2882  * Translate a virtual address to a physical address.
2883  *
2884  * The low-level target implementation must have logged a detailed error
2885  * which is forwarded to telnet/GDB session.
2886  */
2887 COMMAND_HANDLER(handle_virt2phys_command)
2888 {
2889         if (argc != 1)
2890                 return ERROR_COMMAND_SYNTAX_ERROR;
2891
2892         uint32_t va;
2893         COMMAND_PARSE_NUMBER(u32, args[0], va);
2894         uint32_t pa;
2895
2896         target_t *target = get_current_target(cmd_ctx);
2897         int retval = target->type->virt2phys(target, va, &pa);
2898         if (retval == ERROR_OK)
2899                 command_print(cmd_ctx, "Physical address 0x%08" PRIx32 "", pa);
2900
2901         return retval;
2902 }
2903
2904 static void writeData(FILE *f, const void *data, size_t len)
2905 {
2906         size_t written = fwrite(data, 1, len, f);
2907         if (written != len)
2908                 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
2909 }
2910
2911 static void writeLong(FILE *f, int l)
2912 {
2913         int i;
2914         for (i = 0; i < 4; i++)
2915         {
2916                 char c = (l >> (i*8))&0xff;
2917                 writeData(f, &c, 1);
2918         }
2919
2920 }
2921
2922 static void writeString(FILE *f, char *s)
2923 {
2924         writeData(f, s, strlen(s));
2925 }
2926
2927 /* Dump a gmon.out histogram file. */
2928 static void writeGmon(uint32_t *samples, uint32_t sampleNum, const char *filename)
2929 {
2930         uint32_t i;
2931         FILE *f = fopen(filename, "w");
2932         if (f == NULL)
2933                 return;
2934         writeString(f, "gmon");
2935         writeLong(f, 0x00000001); /* Version */
2936         writeLong(f, 0); /* padding */
2937         writeLong(f, 0); /* padding */
2938         writeLong(f, 0); /* padding */
2939
2940         uint8_t zero = 0;  /* GMON_TAG_TIME_HIST */
2941         writeData(f, &zero, 1);
2942
2943         /* figure out bucket size */
2944         uint32_t min = samples[0];
2945         uint32_t max = samples[0];
2946         for (i = 0; i < sampleNum; i++)
2947         {
2948                 if (min > samples[i])
2949                 {
2950                         min = samples[i];
2951                 }
2952                 if (max < samples[i])
2953                 {
2954                         max = samples[i];
2955                 }
2956         }
2957
2958         int addressSpace = (max-min + 1);
2959
2960         static const uint32_t maxBuckets = 256 * 1024; /* maximum buckets. */
2961         uint32_t length = addressSpace;
2962         if (length > maxBuckets)
2963         {
2964                 length = maxBuckets;
2965         }
2966         int *buckets = malloc(sizeof(int)*length);
2967         if (buckets == NULL)
2968         {
2969                 fclose(f);
2970                 return;
2971         }
2972         memset(buckets, 0, sizeof(int)*length);
2973         for (i = 0; i < sampleNum;i++)
2974         {
2975                 uint32_t address = samples[i];
2976                 long long a = address-min;
2977                 long long b = length-1;
2978                 long long c = addressSpace-1;
2979                 int index = (a*b)/c; /* danger!!!! int32 overflows */
2980                 buckets[index]++;
2981         }
2982
2983         /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
2984         writeLong(f, min);                      /* low_pc */
2985         writeLong(f, max);                      /* high_pc */
2986         writeLong(f, length);           /* # of samples */
2987         writeLong(f, 64000000);         /* 64MHz */
2988         writeString(f, "seconds");
2989         for (i = 0; i < (15-strlen("seconds")); i++)
2990                 writeData(f, &zero, 1);
2991         writeString(f, "s");
2992
2993         /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
2994
2995         char *data = malloc(2*length);
2996         if (data != NULL)
2997         {
2998                 for (i = 0; i < length;i++)
2999                 {
3000                         int val;
3001                         val = buckets[i];
3002                         if (val > 65535)
3003                         {
3004                                 val = 65535;
3005                         }
3006                         data[i*2]=val&0xff;
3007                         data[i*2 + 1]=(val >> 8)&0xff;
3008                 }
3009                 free(buckets);
3010                 writeData(f, data, length * 2);
3011                 free(data);
3012         } else
3013         {
3014                 free(buckets);
3015         }
3016
3017         fclose(f);
3018 }
3019
3020 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
3021 COMMAND_HANDLER(handle_profile_command)
3022 {
3023         target_t *target = get_current_target(cmd_ctx);
3024         struct timeval timeout, now;
3025
3026         gettimeofday(&timeout, NULL);
3027         if (argc != 2)
3028         {
3029                 return ERROR_COMMAND_SYNTAX_ERROR;
3030         }
3031         unsigned offset;
3032         COMMAND_PARSE_NUMBER(uint, args[0], offset);
3033
3034         timeval_add_time(&timeout, offset, 0);
3035
3036         command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
3037
3038         static const int maxSample = 10000;
3039         uint32_t *samples = malloc(sizeof(uint32_t)*maxSample);
3040         if (samples == NULL)
3041                 return ERROR_OK;
3042
3043         int numSamples = 0;
3044         /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
3045         reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
3046
3047         for (;;)
3048         {
3049                 int retval;
3050                 target_poll(target);
3051                 if (target->state == TARGET_HALTED)
3052                 {
3053                         uint32_t t=*((uint32_t *)reg->value);
3054                         samples[numSamples++]=t;
3055                         retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3056                         target_poll(target);
3057                         alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
3058                 } else if (target->state == TARGET_RUNNING)
3059                 {
3060                         /* We want to quickly sample the PC. */
3061                         if ((retval = target_halt(target)) != ERROR_OK)
3062                         {
3063                                 free(samples);
3064                                 return retval;
3065                         }
3066                 } else
3067                 {
3068                         command_print(cmd_ctx, "Target not halted or running");
3069                         retval = ERROR_OK;
3070                         break;
3071                 }
3072                 if (retval != ERROR_OK)
3073                 {
3074                         break;
3075                 }
3076
3077                 gettimeofday(&now, NULL);
3078                 if ((numSamples >= maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
3079                 {
3080                         command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
3081                         if ((retval = target_poll(target)) != ERROR_OK)
3082                         {
3083                                 free(samples);
3084                                 return retval;
3085                         }
3086                         if (target->state == TARGET_HALTED)
3087                         {
3088                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3089                         }
3090                         if ((retval = target_poll(target)) != ERROR_OK)
3091                         {
3092                                 free(samples);
3093                                 return retval;
3094                         }
3095                         writeGmon(samples, numSamples, args[1]);
3096                         command_print(cmd_ctx, "Wrote %s", args[1]);
3097                         break;
3098                 }
3099         }
3100         free(samples);
3101
3102         return ERROR_OK;
3103 }
3104
3105 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t val)
3106 {
3107         char *namebuf;
3108         Jim_Obj *nameObjPtr, *valObjPtr;
3109         int result;
3110
3111         namebuf = alloc_printf("%s(%d)", varname, idx);
3112         if (!namebuf)
3113                 return JIM_ERR;
3114
3115         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3116         valObjPtr = Jim_NewIntObj(interp, val);
3117         if (!nameObjPtr || !valObjPtr)
3118         {
3119                 free(namebuf);
3120                 return JIM_ERR;
3121         }
3122
3123         Jim_IncrRefCount(nameObjPtr);
3124         Jim_IncrRefCount(valObjPtr);
3125         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
3126         Jim_DecrRefCount(interp, nameObjPtr);
3127         Jim_DecrRefCount(interp, valObjPtr);
3128         free(namebuf);
3129         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
3130         return result;
3131 }
3132
3133 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3134 {
3135         command_context_t *context;
3136         target_t *target;
3137
3138         context = Jim_GetAssocData(interp, "context");
3139         if (context == NULL)
3140         {
3141                 LOG_ERROR("mem2array: no command context");
3142                 return JIM_ERR;
3143         }
3144         target = get_current_target(context);
3145         if (target == NULL)
3146         {
3147                 LOG_ERROR("mem2array: no current target");
3148                 return JIM_ERR;
3149         }
3150
3151         return  target_mem2array(interp, target, argc-1, argv + 1);
3152 }
3153
3154 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
3155 {
3156         long l;
3157         uint32_t width;
3158         int len;
3159         uint32_t addr;
3160         uint32_t count;
3161         uint32_t v;
3162         const char *varname;
3163         uint8_t buffer[4096];
3164         int  n, e, retval;
3165         uint32_t i;
3166
3167         /* argv[1] = name of array to receive the data
3168          * argv[2] = desired width
3169          * argv[3] = memory address
3170          * argv[4] = count of times to read
3171          */
3172         if (argc != 4) {
3173                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3174                 return JIM_ERR;
3175         }
3176         varname = Jim_GetString(argv[0], &len);
3177         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3178
3179         e = Jim_GetLong(interp, argv[1], &l);
3180         width = l;
3181         if (e != JIM_OK) {
3182                 return e;
3183         }
3184
3185         e = Jim_GetLong(interp, argv[2], &l);
3186         addr = l;
3187         if (e != JIM_OK) {
3188                 return e;
3189         }
3190         e = Jim_GetLong(interp, argv[3], &l);
3191         len = l;
3192         if (e != JIM_OK) {
3193                 return e;
3194         }
3195         switch (width) {
3196                 case 8:
3197                         width = 1;
3198                         break;
3199                 case 16:
3200                         width = 2;
3201                         break;
3202                 case 32:
3203                         width = 4;
3204                         break;
3205                 default:
3206                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3207                         Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3208                         return JIM_ERR;
3209         }
3210         if (len == 0) {
3211                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3212                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
3213                 return JIM_ERR;
3214         }
3215         if ((addr + (len * width)) < addr) {
3216                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3217                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
3218                 return JIM_ERR;
3219         }
3220         /* absurd transfer size? */
3221         if (len > 65536) {
3222                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3223                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
3224                 return JIM_ERR;
3225         }
3226
3227         if ((width == 1) ||
3228                 ((width == 2) && ((addr & 1) == 0)) ||
3229                 ((width == 4) && ((addr & 3) == 0))) {
3230                 /* all is well */
3231         } else {
3232                 char buf[100];
3233                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3234                 sprintf(buf, "mem2array address: 0x%08" PRIx32 " is not aligned for %" PRId32 " byte reads",
3235                                 addr,
3236                                 width);
3237                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3238                 return JIM_ERR;
3239         }
3240
3241         /* Transfer loop */
3242
3243         /* index counter */
3244         n = 0;
3245         /* assume ok */
3246         e = JIM_OK;
3247         while (len) {
3248                 /* Slurp... in buffer size chunks */
3249
3250                 count = len; /* in objects.. */
3251                 if (count > (sizeof(buffer)/width)) {
3252                         count = (sizeof(buffer)/width);
3253                 }
3254
3255                 retval = target_read_memory(target, addr, width, count, buffer);
3256                 if (retval != ERROR_OK) {
3257                         /* BOO !*/
3258                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed",
3259                                           (unsigned int)addr,
3260                                           (int)width,
3261                                           (int)count);
3262                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3263                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
3264                         e = JIM_ERR;
3265                         len = 0;
3266                 } else {
3267                         v = 0; /* shut up gcc */
3268                         for (i = 0 ;i < count ;i++, n++) {
3269                                 switch (width) {
3270                                         case 4:
3271                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
3272                                                 break;
3273                                         case 2:
3274                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
3275                                                 break;
3276                                         case 1:
3277                                                 v = buffer[i] & 0x0ff;
3278                                                 break;
3279                                 }
3280                                 new_int_array_element(interp, varname, n, v);
3281                         }
3282                         len -= count;
3283                 }
3284         }
3285
3286         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3287
3288         return JIM_OK;
3289 }
3290
3291 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t *val)
3292 {
3293         char *namebuf;
3294         Jim_Obj *nameObjPtr, *valObjPtr;
3295         int result;
3296         long l;
3297
3298         namebuf = alloc_printf("%s(%d)", varname, idx);
3299         if (!namebuf)
3300                 return JIM_ERR;
3301
3302         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3303         if (!nameObjPtr)
3304         {
3305                 free(namebuf);
3306                 return JIM_ERR;
3307         }
3308
3309         Jim_IncrRefCount(nameObjPtr);
3310         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
3311         Jim_DecrRefCount(interp, nameObjPtr);
3312         free(namebuf);
3313         if (valObjPtr == NULL)
3314                 return JIM_ERR;
3315
3316         result = Jim_GetLong(interp, valObjPtr, &l);
3317         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
3318         *val = l;
3319         return result;
3320 }
3321
3322 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3323 {
3324         command_context_t *context;
3325         target_t *target;
3326
3327         context = Jim_GetAssocData(interp, "context");
3328         if (context == NULL) {
3329                 LOG_ERROR("array2mem: no command context");
3330                 return JIM_ERR;
3331         }
3332         target = get_current_target(context);
3333         if (target == NULL) {
3334                 LOG_ERROR("array2mem: no current target");
3335                 return JIM_ERR;
3336         }
3337
3338         return target_array2mem(interp,target, argc-1, argv + 1);
3339 }
3340 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
3341 {
3342         long l;
3343         uint32_t width;
3344         int len;
3345         uint32_t addr;
3346         uint32_t count;
3347         uint32_t v;
3348         const char *varname;
3349         uint8_t buffer[4096];
3350         int  n, e, retval;
3351         uint32_t i;
3352
3353         /* argv[1] = name of array to get the data
3354          * argv[2] = desired width
3355          * argv[3] = memory address
3356          * argv[4] = count to write
3357          */
3358         if (argc != 4) {
3359                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3360                 return JIM_ERR;
3361         }
3362         varname = Jim_GetString(argv[0], &len);
3363         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3364
3365         e = Jim_GetLong(interp, argv[1], &l);
3366         width = l;
3367         if (e != JIM_OK) {
3368                 return e;
3369         }
3370
3371         e = Jim_GetLong(interp, argv[2], &l);
3372         addr = l;
3373         if (e != JIM_OK) {
3374                 return e;
3375         }
3376         e = Jim_GetLong(interp, argv[3], &l);
3377         len = l;
3378         if (e != JIM_OK) {
3379                 return e;
3380         }
3381         switch (width) {
3382                 case 8:
3383                         width = 1;
3384                         break;
3385                 case 16:
3386                         width = 2;
3387                         break;
3388                 case 32:
3389                         width = 4;
3390                         break;
3391                 default:
3392                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3393                         Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3394                         return JIM_ERR;
3395         }
3396         if (len == 0) {
3397                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3398                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
3399                 return JIM_ERR;
3400         }
3401         if ((addr + (len * width)) < addr) {
3402                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3403                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
3404                 return JIM_ERR;
3405         }
3406         /* absurd transfer size? */
3407         if (len > 65536) {
3408                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3409                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
3410                 return JIM_ERR;
3411         }
3412
3413         if ((width == 1) ||
3414                 ((width == 2) && ((addr & 1) == 0)) ||
3415                 ((width == 4) && ((addr & 3) == 0))) {
3416                 /* all is well */
3417         } else {
3418                 char buf[100];
3419                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3420                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads",
3421                                 (unsigned int)addr,
3422                                 (int)width);
3423                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3424                 return JIM_ERR;
3425         }
3426
3427         /* Transfer loop */
3428
3429         /* index counter */
3430         n = 0;
3431         /* assume ok */
3432         e = JIM_OK;
3433         while (len) {
3434                 /* Slurp... in buffer size chunks */
3435
3436                 count = len; /* in objects.. */
3437                 if (count > (sizeof(buffer)/width)) {
3438                         count = (sizeof(buffer)/width);
3439                 }
3440
3441                 v = 0; /* shut up gcc */
3442                 for (i = 0 ;i < count ;i++, n++) {
3443                         get_int_array_element(interp, varname, n, &v);
3444                         switch (width) {
3445                         case 4:
3446                                 target_buffer_set_u32(target, &buffer[i*width], v);
3447                                 break;
3448                         case 2:
3449                                 target_buffer_set_u16(target, &buffer[i*width], v);
3450                                 break;
3451                         case 1:
3452                                 buffer[i] = v & 0x0ff;
3453                                 break;
3454                         }
3455                 }
3456                 len -= count;
3457
3458                 retval = target_write_memory(target, addr, width, count, buffer);
3459                 if (retval != ERROR_OK) {
3460                         /* BOO !*/
3461                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed",
3462                                           (unsigned int)addr,
3463                                           (int)width,
3464                                           (int)count);
3465                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3466                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3467                         e = JIM_ERR;
3468                         len = 0;
3469                 }
3470         }
3471
3472         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3473
3474         return JIM_OK;
3475 }
3476
3477 void target_all_handle_event(enum target_event e)
3478 {
3479         target_t *target;
3480
3481         LOG_DEBUG("**all*targets: event: %d, %s",
3482                            (int)e,
3483                            Jim_Nvp_value2name_simple(nvp_target_event, e)->name);
3484
3485         target = all_targets;
3486         while (target) {
3487                 target_handle_event(target, e);
3488                 target = target->next;
3489         }
3490 }
3491
3492
3493 /* FIX? should we propagate errors here rather than printing them
3494  * and continuing?
3495  */
3496 void target_handle_event(target_t *target, enum target_event e)
3497 {
3498         target_event_action_t *teap;
3499
3500         for (teap = target->event_action; teap != NULL; teap = teap->next) {
3501                 if (teap->event == e) {
3502                         LOG_DEBUG("target: (%d) %s (%s) event: %d (%s) action: %s",
3503                                            target->target_number,
3504                                            target->cmd_name,
3505                                            target_get_name(target),
3506                                            e,
3507                                            Jim_Nvp_value2name_simple(nvp_target_event, e)->name,
3508                                            Jim_GetString(teap->body, NULL));
3509                         if (Jim_EvalObj(interp, teap->body) != JIM_OK)
3510                         {
3511                                 Jim_PrintErrorMessage(interp);
3512                         }
3513                 }
3514         }
3515 }
3516
3517 enum target_cfg_param {
3518         TCFG_TYPE,
3519         TCFG_EVENT,
3520         TCFG_WORK_AREA_VIRT,
3521         TCFG_WORK_AREA_PHYS,
3522         TCFG_WORK_AREA_SIZE,
3523         TCFG_WORK_AREA_BACKUP,
3524         TCFG_ENDIAN,
3525         TCFG_VARIANT,
3526         TCFG_CHAIN_POSITION,
3527 };
3528
3529 static Jim_Nvp nvp_config_opts[] = {
3530         { .name = "-type",             .value = TCFG_TYPE },
3531         { .name = "-event",            .value = TCFG_EVENT },
3532         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3533         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3534         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3535         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3536         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3537         { .name = "-variant",          .value = TCFG_VARIANT },
3538         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3539
3540         { .name = NULL, .value = -1 }
3541 };
3542
3543 static int target_configure(Jim_GetOptInfo *goi, target_t *target)
3544 {
3545         Jim_Nvp *n;
3546         Jim_Obj *o;
3547         jim_wide w;
3548         char *cp;
3549         int e;
3550
3551         /* parse config or cget options ... */
3552         while (goi->argc > 0) {
3553                 Jim_SetEmptyResult(goi->interp);
3554                 /* Jim_GetOpt_Debug(goi); */
3555
3556                 if (target->type->target_jim_configure) {
3557                         /* target defines a configure function */
3558                         /* target gets first dibs on parameters */
3559                         e = (*(target->type->target_jim_configure))(target, goi);
3560                         if (e == JIM_OK) {
3561                                 /* more? */
3562                                 continue;
3563                         }
3564                         if (e == JIM_ERR) {
3565                                 /* An error */
3566                                 return e;
3567                         }
3568                         /* otherwise we 'continue' below */
3569                 }
3570                 e = Jim_GetOpt_Nvp(goi, nvp_config_opts, &n);
3571                 if (e != JIM_OK) {
3572                         Jim_GetOpt_NvpUnknown(goi, nvp_config_opts, 0);
3573                         return e;
3574                 }
3575                 switch (n->value) {
3576                 case TCFG_TYPE:
3577                         /* not setable */
3578                         if (goi->isconfigure) {
3579                                 Jim_SetResult_sprintf(goi->interp, "not setable: %s", n->name);
3580                                 return JIM_ERR;
3581                         } else {
3582                         no_params:
3583                                 if (goi->argc != 0) {
3584                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "NO PARAMS");
3585                                         return JIM_ERR;
3586                                 }
3587                         }
3588                         Jim_SetResultString(goi->interp, target_get_name(target), -1);
3589                         /* loop for more */
3590                         break;
3591                 case TCFG_EVENT:
3592                         if (goi->argc == 0) {
3593                                 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3594                                 return JIM_ERR;
3595                         }
3596
3597                         e = Jim_GetOpt_Nvp(goi, nvp_target_event, &n);
3598                         if (e != JIM_OK) {
3599                                 Jim_GetOpt_NvpUnknown(goi, nvp_target_event, 1);
3600                                 return e;
3601                         }
3602
3603                         if (goi->isconfigure) {
3604                                 if (goi->argc != 1) {
3605                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3606                                         return JIM_ERR;
3607                                 }
3608                         } else {
3609                                 if (goi->argc != 0) {
3610                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3611                                         return JIM_ERR;
3612                                 }
3613                         }
3614
3615                         {
3616                                 target_event_action_t *teap;
3617
3618                                 teap = target->event_action;
3619                                 /* replace existing? */
3620                                 while (teap) {
3621                                         if (teap->event == (enum target_event)n->value) {
3622                                                 break;
3623                                         }
3624                                         teap = teap->next;
3625                                 }
3626
3627                                 if (goi->isconfigure) {
3628                                         bool replace = true;
3629                                         if (teap == NULL) {
3630                                                 /* create new */
3631                                                 teap = calloc(1, sizeof(*teap));
3632                                                 replace = false;
3633                                         }
3634                                         teap->event = n->value;
3635                                         Jim_GetOpt_Obj(goi, &o);
3636                                         if (teap->body) {
3637                                                 Jim_DecrRefCount(interp, teap->body);
3638                                         }
3639                                         teap->body  = Jim_DuplicateObj(goi->interp, o);
3640                                         /*
3641                                          * FIXME:
3642                                          *     Tcl/TK - "tk events" have a nice feature.
3643                                          *     See the "BIND" command.
3644                                          *    We should support that here.
3645                                          *     You can specify %X and %Y in the event code.
3646                                          *     The idea is: %T - target name.
3647                                          *     The idea is: %N - target number
3648                                          *     The idea is: %E - event name.
3649                                          */
3650                                         Jim_IncrRefCount(teap->body);
3651
3652                                         if (!replace)
3653                                         {
3654                                                 /* add to head of event list */
3655                                                 teap->next = target->event_action;
3656                                                 target->event_action = teap;
3657                                         }
3658                                         Jim_SetEmptyResult(goi->interp);
3659                                 } else {
3660                                         /* get */
3661                                         if (teap == NULL) {
3662                                                 Jim_SetEmptyResult(goi->interp);
3663                                         } else {
3664                                                 Jim_SetResult(goi->interp, Jim_DuplicateObj(goi->interp, teap->body));
3665                                         }
3666                                 }
3667                         }
3668                         /* loop for more */
3669                         break;
3670
3671                 case TCFG_WORK_AREA_VIRT:
3672                         if (goi->isconfigure) {
3673                                 target_free_all_working_areas(target);
3674                                 e = Jim_GetOpt_Wide(goi, &w);
3675                                 if (e != JIM_OK) {
3676                                         return e;
3677                                 }
3678                                 target->working_area_virt = w;
3679                                 target->working_area_virt_spec = true;
3680                         } else {
3681                                 if (goi->argc != 0) {
3682                                         goto no_params;
3683                                 }
3684                         }
3685                         Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_virt));
3686                         /* loop for more */
3687                         break;
3688
3689                 case TCFG_WORK_AREA_PHYS:
3690                         if (goi->isconfigure) {
3691                                 target_free_all_working_areas(target);
3692                                 e = Jim_GetOpt_Wide(goi, &w);
3693                                 if (e != JIM_OK) {
3694                                         return e;
3695                                 }
3696                                 target->working_area_phys = w;
3697                                 target->working_area_phys_spec = true;
3698                         } else {
3699                                 if (goi->argc != 0) {
3700                                         goto no_params;
3701                                 }
3702                         }
3703                         Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_phys));
3704                         /* loop for more */
3705                         break;
3706
3707                 case TCFG_WORK_AREA_SIZE:
3708                         if (goi->isconfigure) {
3709                                 target_free_all_working_areas(target);
3710                                 e = Jim_GetOpt_Wide(goi, &w);
3711                                 if (e != JIM_OK) {
3712                                         return e;
3713                                 }
3714                                 target->working_area_size = w;
3715                         } else {
3716                                 if (goi->argc != 0) {
3717                                         goto no_params;
3718                                 }
3719                         }
3720                         Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_size));
3721                         /* loop for more */
3722                         break;
3723
3724                 case TCFG_WORK_AREA_BACKUP:
3725                         if (goi->isconfigure) {
3726                                 target_free_all_working_areas(target);
3727                                 e = Jim_GetOpt_Wide(goi, &w);
3728                                 if (e != JIM_OK) {
3729                                         return e;
3730                                 }
3731                                 /* make this exactly 1 or 0 */
3732                                 target->backup_working_area = (!!w);
3733                         } else {
3734                                 if (goi->argc != 0) {
3735                                         goto no_params;
3736                                 }
3737                         }
3738                         Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->backup_working_area));
3739                         /* loop for more e*/
3740                         break;
3741
3742                 case TCFG_ENDIAN:
3743                         if (goi->isconfigure) {
3744                                 e = Jim_GetOpt_Nvp(goi, nvp_target_endian, &n);
3745                                 if (e != JIM_OK) {
3746                                         Jim_GetOpt_NvpUnknown(goi, nvp_target_endian, 1);
3747                                         return e;
3748                                 }
3749                                 target->endianness = n->value;
3750                         } else {
3751                                 if (goi->argc != 0) {
3752                                         goto no_params;
3753                                 }
3754                         }
3755                         n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
3756                         if (n->name == NULL) {
3757                                 target->endianness = TARGET_LITTLE_ENDIAN;
3758                                 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
3759                         }
3760                         Jim_SetResultString(goi->interp, n->name, -1);
3761                         /* loop for more */
3762                         break;
3763
3764                 case TCFG_VARIANT:
3765                         if (goi->isconfigure) {
3766                                 if (goi->argc < 1) {
3767                                         Jim_SetResult_sprintf(goi->interp,
3768                                                                                    "%s ?STRING?",
3769                                                                                    n->name);
3770                                         return JIM_ERR;
3771                                 }
3772                                 if (target->variant) {
3773                                         free((void *)(target->variant));
3774                                 }
3775                                 e = Jim_GetOpt_String(goi, &cp, NULL);
3776                                 target->variant = strdup(cp);
3777                         } else {
3778                                 if (goi->argc != 0) {
3779                                         goto no_params;
3780                                 }
3781                         }
3782                         Jim_SetResultString(goi->interp, target->variant,-1);
3783                         /* loop for more */
3784                         break;
3785                 case TCFG_CHAIN_POSITION:
3786                         if (goi->isconfigure) {
3787                                 Jim_Obj *o;
3788                                 struct jtag_tap *tap;
3789                                 target_free_all_working_areas(target);
3790                                 e = Jim_GetOpt_Obj(goi, &o);
3791                                 if (e != JIM_OK) {
3792                                         return e;
3793                                 }
3794                                 tap = jtag_tap_by_jim_obj(goi->interp, o);
3795                                 if (tap == NULL) {
3796                                         return JIM_ERR;
3797                                 }
3798                                 /* make this exactly 1 or 0 */
3799                                 target->tap = tap;
3800                         } else {
3801                                 if (goi->argc != 0) {
3802                                         goto no_params;
3803                                 }
3804                         }
3805                         Jim_SetResultString(interp, target->tap->dotted_name, -1);
3806                         /* loop for more e*/
3807                         break;
3808                 }
3809         } /* while (goi->argc) */
3810
3811
3812                 /* done - we return */
3813         return JIM_OK;
3814 }
3815
3816 /** this is the 'tcl' handler for the target specific command */
3817 static int tcl_target_func(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3818 {
3819         Jim_GetOptInfo goi;
3820         jim_wide a,b,c;
3821         int x,y,z;
3822         uint8_t  target_buf[32];
3823         Jim_Nvp *n;
3824         target_t *target;
3825         struct command_context_s *cmd_ctx;
3826         int e;
3827
3828         enum {
3829                 TS_CMD_CONFIGURE,
3830                 TS_CMD_CGET,
3831
3832                 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3833                 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3834                 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3835                 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3836                 TS_CMD_EXAMINE,
3837                 TS_CMD_POLL,
3838                 TS_CMD_RESET,
3839                 TS_CMD_HALT,
3840                 TS_CMD_WAITSTATE,
3841                 TS_CMD_EVENTLIST,
3842                 TS_CMD_CURSTATE,
3843                 TS_CMD_INVOKE_EVENT,
3844         };
3845
3846         static const Jim_Nvp target_options[] = {
3847                 { .name = "configure", .value = TS_CMD_CONFIGURE },
3848                 { .name = "cget", .value = TS_CMD_CGET },
3849                 { .name = "mww", .value = TS_CMD_MWW },
3850                 { .name = "mwh", .value = TS_CMD_MWH },
3851                 { .name = "mwb", .value = TS_CMD_MWB },
3852                 { .name = "mdw", .value = TS_CMD_MDW },
3853                 { .name = "mdh", .value = TS_CMD_MDH },
3854                 { .name = "mdb", .value = TS_CMD_MDB },
3855                 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3856                 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3857                 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3858                 { .name = "curstate",  .value = TS_CMD_CURSTATE },
3859
3860                 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3861                 { .name = "arp_poll", .value = TS_CMD_POLL },
3862                 { .name = "arp_reset", .value = TS_CMD_RESET },
3863                 { .name = "arp_halt", .value = TS_CMD_HALT },
3864                 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3865                 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3866
3867                 { .name = NULL, .value = -1 },
3868         };
3869
3870         /* go past the "command" */
3871         Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
3872
3873         target = Jim_CmdPrivData(goi.interp);
3874         cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3875
3876         /* commands here are in an NVP table */
3877         e = Jim_GetOpt_Nvp(&goi, target_options, &n);
3878         if (e != JIM_OK) {
3879                 Jim_GetOpt_NvpUnknown(&goi, target_options, 0);
3880                 return e;
3881         }
3882         /* Assume blank result */
3883         Jim_SetEmptyResult(goi.interp);
3884
3885         switch (n->value) {
3886         case TS_CMD_CONFIGURE:
3887                 if (goi.argc < 2) {
3888                         Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3889                         return JIM_ERR;
3890                 }
3891                 goi.isconfigure = 1;
3892                 return target_configure(&goi, target);
3893         case TS_CMD_CGET:
3894                 // some things take params
3895                 if (goi.argc < 1) {
3896                         Jim_WrongNumArgs(goi.interp, 0, goi.argv, "missing: ?-option?");
3897                         return JIM_ERR;
3898                 }
3899                 goi.isconfigure = 0;
3900                 return target_configure(&goi, target);
3901                 break;
3902         case TS_CMD_MWW:
3903         case TS_CMD_MWH:
3904         case TS_CMD_MWB:
3905                 /* argv[0] = cmd
3906                  * argv[1] = address
3907                  * argv[2] = data
3908                  * argv[3] = optional count.
3909                  */
3910
3911                 if ((goi.argc == 2) || (goi.argc == 3)) {
3912                         /* all is well */
3913                 } else {
3914                 mwx_error:
3915                         Jim_SetResult_sprintf(goi.interp, "expected: %s ADDR DATA [COUNT]", n->name);
3916                         return JIM_ERR;
3917                 }
3918
3919                 e = Jim_GetOpt_Wide(&goi, &a);
3920                 if (e != JIM_OK) {
3921                         goto mwx_error;
3922                 }
3923
3924                 e = Jim_GetOpt_Wide(&goi, &b);
3925                 if (e != JIM_OK) {
3926                         goto mwx_error;
3927                 }
3928                 if (goi.argc == 3) {
3929                         e = Jim_GetOpt_Wide(&goi, &c);
3930                         if (e != JIM_OK) {
3931                                 goto mwx_error;
3932                         }
3933                 } else {
3934                         c = 1;
3935                 }
3936
3937                 switch (n->value) {
3938                 case TS_CMD_MWW:
3939                         target_buffer_set_u32(target, target_buf, b);
3940                         b = 4;
3941                         break;
3942                 case TS_CMD_MWH:
3943                         target_buffer_set_u16(target, target_buf, b);
3944                         b = 2;
3945                         break;
3946                 case TS_CMD_MWB:
3947                         target_buffer_set_u8(target, target_buf, b);
3948                         b = 1;
3949                         break;
3950                 }
3951                 for (x = 0 ; x < c ; x++) {
3952                         e = target_write_memory(target, a, b, 1, target_buf);
3953                         if (e != ERROR_OK) {
3954                                 Jim_SetResult_sprintf(interp, "Error writing @ 0x%08x: %d\n", (int)(a), e);
3955                                 return JIM_ERR;
3956                         }
3957                         /* b = width */
3958                         a = a + b;
3959                 }
3960                 return JIM_OK;
3961                 break;
3962
3963                 /* display */
3964         case TS_CMD_MDW:
3965         case TS_CMD_MDH:
3966         case TS_CMD_MDB:
3967                 /* argv[0] = command
3968                  * argv[1] = address
3969                  * argv[2] = optional count
3970                  */
3971                 if ((goi.argc == 2) || (goi.argc == 3)) {
3972                         Jim_SetResult_sprintf(goi.interp, "expected: %s ADDR [COUNT]", n->name);
3973                         return JIM_ERR;
3974                 }
3975                 e = Jim_GetOpt_Wide(&goi, &a);
3976                 if (e != JIM_OK) {
3977                         return JIM_ERR;
3978                 }
3979                 if (goi.argc) {
3980                         e = Jim_GetOpt_Wide(&goi, &c);
3981                         if (e != JIM_OK) {
3982                                 return JIM_ERR;
3983                         }
3984                 } else {
3985                         c = 1;
3986                 }
3987                 b = 1; /* shut up gcc */
3988                 switch (n->value) {
3989                 case TS_CMD_MDW:
3990                         b =  4;
3991                         break;
3992                 case TS_CMD_MDH:
3993                         b = 2;
3994                         break;
3995                 case TS_CMD_MDB:
3996                         b = 1;
3997                         break;
3998                 }
3999
4000                 /* convert to "bytes" */
4001                 c = c * b;
4002                 /* count is now in 'BYTES' */
4003                 while (c > 0) {
4004                         y = c;
4005                         if (y > 16) {
4006                                 y = 16;
4007                         }
4008                         e = target_read_memory(target, a, b, y / b, target_buf);
4009                         if (e != ERROR_OK) {
4010                                 Jim_SetResult_sprintf(interp, "error reading target @ 0x%08lx", (int)(a));
4011                                 return JIM_ERR;
4012                         }
4013
4014                         Jim_fprintf(interp, interp->cookie_stdout, "0x%08x ", (int)(a));
4015                         switch (b) {
4016                         case 4:
4017                                 for (x = 0 ; (x < 16) && (x < y) ; x += 4) {
4018                                         z = target_buffer_get_u32(target, &(target_buf[ x * 4 ]));
4019                                         Jim_fprintf(interp, interp->cookie_stdout, "%08x ", (int)(z));
4020                                 }
4021                                 for (; (x < 16) ; x += 4) {
4022                                         Jim_fprintf(interp, interp->cookie_stdout, "         ");
4023                                 }
4024                                 break;
4025                         case 2:
4026                                 for (x = 0 ; (x < 16) && (x < y) ; x += 2) {
4027                                         z = target_buffer_get_u16(target, &(target_buf[ x * 2 ]));
4028                                         Jim_fprintf(interp, interp->cookie_stdout, "%04x ", (int)(z));
4029                                 }
4030                                 for (; (x < 16) ; x += 2) {
4031                                         Jim_fprintf(interp, interp->cookie_stdout, "     ");
4032                                 }
4033                                 break;
4034                         case 1:
4035                         default:
4036                                 for (x = 0 ; (x < 16) && (x < y) ; x += 1) {
4037                                         z = target_buffer_get_u8(target, &(target_buf[ x * 4 ]));
4038                                         Jim_fprintf(interp, interp->cookie_stdout, "%02x ", (int)(z));
4039                                 }
4040                                 for (; (x < 16) ; x += 1) {
4041                                         Jim_fprintf(interp, interp->cookie_stdout, "   ");
4042                                 }
4043                                 break;
4044                         }
4045                         /* ascii-ify the bytes */
4046                         for (x = 0 ; x < y ; x++) {
4047                                 if ((target_buf[x] >= 0x20) &&
4048                                         (target_buf[x] <= 0x7e)) {
4049                                         /* good */
4050                                 } else {
4051                                         /* smack it */
4052                                         target_buf[x] = '.';
4053                                 }
4054                         }
4055                         /* space pad  */
4056                         while (x < 16) {
4057                                 target_buf[x] = ' ';
4058                                 x++;
4059                         }
4060                         /* terminate */
4061                         target_buf[16] = 0;
4062                         /* print - with a newline */
4063                         Jim_fprintf(interp, interp->cookie_stdout, "%s\n", target_buf);
4064                         /* NEXT... */
4065                         c -= 16;
4066                         a += 16;
4067                 }
4068                 return JIM_OK;
4069         case TS_CMD_MEM2ARRAY:
4070                 return target_mem2array(goi.interp, target, goi.argc, goi.argv);
4071                 break;
4072         case TS_CMD_ARRAY2MEM:
4073                 return target_array2mem(goi.interp, target, goi.argc, goi.argv);
4074                 break;
4075         case TS_CMD_EXAMINE:
4076                 if (goi.argc) {
4077                         Jim_WrongNumArgs(goi.interp, 2, argv, "[no parameters]");
4078                         return JIM_ERR;
4079                 }
4080                 if (!target->tap->enabled)
4081                         goto err_tap_disabled;
4082                 e = target->type->examine(target);
4083                 if (e != ERROR_OK) {
4084                         Jim_SetResult_sprintf(interp, "examine-fails: %d", e);
4085                         return JIM_ERR;
4086                 }
4087                 return JIM_OK;
4088         case TS_CMD_POLL:
4089                 if (goi.argc) {
4090                         Jim_WrongNumArgs(goi.interp, 2, argv, "[no parameters]");
4091                         return JIM_ERR;
4092                 }
4093                 if (!target->tap->enabled)
4094                         goto err_tap_disabled;
4095                 if (!(target_was_examined(target))) {
4096                         e = ERROR_TARGET_NOT_EXAMINED;
4097                 } else {
4098                         e = target->type->poll(target);
4099                 }
4100                 if (e != ERROR_OK) {
4101                         Jim_SetResult_sprintf(interp, "poll-fails: %d", e);
4102                         return JIM_ERR;
4103                 } else {
4104                         return JIM_OK;
4105                 }
4106                 break;
4107         case TS_CMD_RESET:
4108                 if (goi.argc != 2) {
4109                         Jim_WrongNumArgs(interp, 2, argv,
4110                                         "([tT]|[fF]|assert|deassert) BOOL");
4111                         return JIM_ERR;
4112                 }
4113                 e = Jim_GetOpt_Nvp(&goi, nvp_assert, &n);
4114                 if (e != JIM_OK) {
4115                         Jim_GetOpt_NvpUnknown(&goi, nvp_assert, 1);
4116                         return e;
4117                 }
4118                 /* the halt or not param */
4119                 e = Jim_GetOpt_Wide(&goi, &a);
4120                 if (e != JIM_OK) {
4121                         return e;
4122                 }
4123                 if (!target->tap->enabled)
4124                         goto err_tap_disabled;
4125                 if (!target->type->assert_reset
4126                                 || !target->type->deassert_reset) {
4127                         Jim_SetResult_sprintf(interp,
4128                                         "No target-specific reset for %s",
4129                                         target->cmd_name);
4130                         return JIM_ERR;
4131                 }
4132                 /* determine if we should halt or not. */
4133                 target->reset_halt = !!a;
4134                 /* When this happens - all workareas are invalid. */
4135                 target_free_all_working_areas_restore(target, 0);
4136
4137                 /* do the assert */
4138                 if (n->value == NVP_ASSERT) {
4139                         e = target->type->assert_reset(target);
4140                 } else {
4141                         e = target->type->deassert_reset(target);
4142                 }
4143                 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4144         case TS_CMD_HALT:
4145                 if (goi.argc) {
4146                         Jim_WrongNumArgs(goi.interp, 0, argv, "halt [no parameters]");
4147                         return JIM_ERR;
4148                 }
4149                 if (!target->tap->enabled)
4150                         goto err_tap_disabled;
4151                 e = target->type->halt(target);
4152                 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4153         case TS_CMD_WAITSTATE:
4154                 /* params:  <name>  statename timeoutmsecs */
4155                 if (goi.argc != 2) {
4156                         Jim_SetResult_sprintf(goi.interp, "%s STATENAME TIMEOUTMSECS", n->name);
4157                         return JIM_ERR;
4158                 }
4159                 e = Jim_GetOpt_Nvp(&goi, nvp_target_state, &n);
4160                 if (e != JIM_OK) {
4161                         Jim_GetOpt_NvpUnknown(&goi, nvp_target_state,1);
4162                         return e;
4163                 }
4164                 e = Jim_GetOpt_Wide(&goi, &a);
4165                 if (e != JIM_OK) {
4166                         return e;
4167                 }
4168                 if (!target->tap->enabled)
4169                         goto err_tap_disabled;
4170                 e = target_wait_state(target, n->value, a);
4171                 if (e != ERROR_OK) {
4172                         Jim_SetResult_sprintf(goi.interp,
4173                                                                    "target: %s wait %s fails (%d) %s",
4174                                                                    target->cmd_name,
4175                                                                    n->name,
4176                                                                    e, target_strerror_safe(e));
4177                         return JIM_ERR;
4178                 } else {
4179                         return JIM_OK;
4180                 }
4181         case TS_CMD_EVENTLIST:
4182                 /* List for human, Events defined for this target.
4183                  * scripts/programs should use 'name cget -event NAME'
4184                  */
4185                 {
4186                         target_event_action_t *teap;
4187                         teap = target->event_action;
4188                         command_print(cmd_ctx, "Event actions for target (%d) %s\n",
4189                                                    target->target_number,
4190                                                    target->cmd_name);
4191                         command_print(cmd_ctx, "%-25s | Body", "Event");
4192                         command_print(cmd_ctx, "------------------------- | ----------------------------------------");
4193                         while (teap) {
4194                                 command_print(cmd_ctx,
4195                                                            "%-25s | %s",
4196                                                            Jim_Nvp_value2name_simple(nvp_target_event, teap->event)->name,
4197                                                            Jim_GetString(teap->body, NULL));
4198                                 teap = teap->next;
4199                         }
4200                         command_print(cmd_ctx, "***END***");
4201                         return JIM_OK;
4202                 }
4203         case TS_CMD_CURSTATE:
4204                 if (goi.argc != 0) {
4205                         Jim_WrongNumArgs(goi.interp, 0, argv, "[no parameters]");
4206                         return JIM_ERR;
4207                 }
4208                 Jim_SetResultString(goi.interp,
4209                                                         target_state_name( target ),
4210                                                         -1);
4211                 return JIM_OK;
4212         case TS_CMD_INVOKE_EVENT:
4213                 if (goi.argc != 1) {
4214                         Jim_SetResult_sprintf(goi.interp, "%s ?EVENTNAME?",n->name);
4215                         return JIM_ERR;
4216                 }
4217                 e = Jim_GetOpt_Nvp(&goi, nvp_target_event, &n);
4218                 if (e != JIM_OK) {
4219                         Jim_GetOpt_NvpUnknown(&goi, nvp_target_event, 1);
4220                         return e;
4221                 }
4222                 target_handle_event(target, n->value);
4223                 return JIM_OK;
4224         }
4225         return JIM_ERR;
4226
4227 err_tap_disabled:
4228         Jim_SetResult_sprintf(interp, "[TAP is disabled]");
4229         return JIM_ERR;
4230 }
4231
4232 static int target_create(Jim_GetOptInfo *goi)
4233 {
4234         Jim_Obj *new_cmd;
4235         Jim_Cmd *cmd;
4236         const char *cp;
4237         char *cp2;
4238         int e;
4239         int x;
4240         target_t *target;
4241         struct command_context_s *cmd_ctx;
4242
4243         cmd_ctx = Jim_GetAssocData(goi->interp, "context");
4244         if (goi->argc < 3) {
4245                 Jim_WrongNumArgs(goi->interp, 1, goi->argv, "?name? ?type? ..options...");
4246                 return JIM_ERR;
4247         }
4248
4249         /* COMMAND */
4250         Jim_GetOpt_Obj(goi, &new_cmd);
4251         /* does this command exist? */
4252         cmd = Jim_GetCommand(goi->interp, new_cmd, JIM_ERRMSG);
4253         if (cmd) {
4254                 cp = Jim_GetString(new_cmd, NULL);
4255                 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
4256                 return JIM_ERR;
4257         }
4258
4259         /* TYPE */
4260         e = Jim_GetOpt_String(goi, &cp2, NULL);
4261         cp = cp2;
4262         /* now does target type exist */
4263         for (x = 0 ; target_types[x] ; x++) {
4264                 if (0 == strcmp(cp, target_types[x]->name)) {
4265                         /* found */
4266                         break;
4267                 }
4268         }
4269         if (target_types[x] == NULL) {
4270                 Jim_SetResult_sprintf(goi->interp, "Unknown target type %s, try one of ", cp);
4271                 for (x = 0 ; target_types[x] ; x++) {
4272                         if (target_types[x + 1]) {
4273                                 Jim_AppendStrings(goi->interp,
4274                                                                    Jim_GetResult(goi->interp),
4275                                                                    target_types[x]->name,
4276                                                                    ", ", NULL);
4277                         } else {
4278                                 Jim_AppendStrings(goi->interp,
4279                                                                    Jim_GetResult(goi->interp),
4280                                                                    " or ",
4281                                                                    target_types[x]->name,NULL);
4282                         }
4283                 }
4284                 return JIM_ERR;
4285         }
4286
4287         /* Create it */
4288         target = calloc(1,sizeof(target_t));
4289         /* set target number */
4290         target->target_number = new_target_number();
4291
4292         /* allocate memory for each unique target type */
4293         target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
4294
4295         memcpy(target->type, target_types[x], sizeof(target_type_t));
4296
4297         /* will be set by "-endian" */
4298         target->endianness = TARGET_ENDIAN_UNKNOWN;
4299
4300         target->working_area        = 0x0;
4301         target->working_area_size   = 0x0;
4302         target->working_areas       = NULL;
4303         target->backup_working_area = 0;
4304
4305         target->state               = TARGET_UNKNOWN;
4306         target->debug_reason        = DBG_REASON_UNDEFINED;
4307         target->reg_cache           = NULL;
4308         target->breakpoints         = NULL;
4309         target->watchpoints         = NULL;
4310         target->next                = NULL;
4311         target->arch_info           = NULL;
4312
4313         target->display             = 1;
4314
4315         target->halt_issued                     = false;
4316
4317         /* initialize trace information */
4318         target->trace_info = malloc(sizeof(trace_t));
4319         target->trace_info->num_trace_points         = 0;
4320         target->trace_info->trace_points_size        = 0;
4321         target->trace_info->trace_points             = NULL;
4322         target->trace_info->trace_history_size       = 0;
4323         target->trace_info->trace_history            = NULL;
4324         target->trace_info->trace_history_pos        = 0;
4325         target->trace_info->trace_history_overflowed = 0;
4326
4327         target->dbgmsg          = NULL;
4328         target->dbg_msg_enabled = 0;
4329
4330         target->endianness = TARGET_ENDIAN_UNKNOWN;
4331
4332         /* Do the rest as "configure" options */
4333         goi->isconfigure = 1;
4334         e = target_configure(goi, target);
4335
4336         if (target->tap == NULL)
4337         {
4338                 Jim_SetResultString(interp, "-chain-position required when creating target", -1);
4339                 e = JIM_ERR;
4340         }
4341
4342         if (e != JIM_OK) {
4343                 free(target->type);
4344                 free(target);
4345                 return e;
4346         }
4347
4348         if (target->endianness == TARGET_ENDIAN_UNKNOWN) {
4349                 /* default endian to little if not specified */
4350                 target->endianness = TARGET_LITTLE_ENDIAN;
4351         }
4352
4353         /* incase variant is not set */
4354         if (!target->variant)
4355                 target->variant = strdup("");
4356
4357         /* create the target specific commands */
4358         if (target->type->register_commands) {
4359                 (*(target->type->register_commands))(cmd_ctx);
4360         }
4361         if (target->type->target_create) {
4362                 (*(target->type->target_create))(target, goi->interp);
4363         }
4364
4365         /* append to end of list */
4366         {
4367                 target_t **tpp;
4368                 tpp = &(all_targets);
4369                 while (*tpp) {
4370                         tpp = &((*tpp)->next);
4371                 }
4372                 *tpp = target;
4373         }
4374
4375         cp = Jim_GetString(new_cmd, NULL);
4376         target->cmd_name = strdup(cp);
4377
4378         /* now - create the new target name command */
4379         e = Jim_CreateCommand(goi->interp,
4380                                                    /* name */
4381                                                    cp,
4382                                                    tcl_target_func, /* C function */
4383                                                    target, /* private data */
4384                                                    NULL); /* no del proc */
4385
4386         return e;
4387 }
4388
4389 static int jim_target(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4390 {
4391         int x,r,e;
4392         jim_wide w;
4393         struct command_context_s *cmd_ctx;
4394         target_t *target;
4395         Jim_GetOptInfo goi;
4396         enum tcmd {
4397                 /* TG = target generic */
4398                 TG_CMD_CREATE,
4399                 TG_CMD_TYPES,
4400                 TG_CMD_NAMES,
4401                 TG_CMD_CURRENT,
4402                 TG_CMD_NUMBER,
4403                 TG_CMD_COUNT,
4404         };
4405         const char *target_cmds[] = {
4406                 "create", "types", "names", "current", "number",
4407                 "count",
4408                 NULL /* terminate */
4409         };
4410
4411         LOG_DEBUG("Target command params:");
4412         LOG_DEBUG("%s", Jim_Debug_ArgvString(interp, argc, argv));
4413
4414         cmd_ctx = Jim_GetAssocData(interp, "context");
4415
4416         Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
4417
4418         if (goi.argc == 0) {
4419                 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
4420                 return JIM_ERR;
4421         }
4422
4423         /* Jim_GetOpt_Debug(&goi); */
4424         r = Jim_GetOpt_Enum(&goi, target_cmds, &x);
4425         if (r != JIM_OK) {
4426                 return r;
4427         }
4428
4429         switch (x) {
4430         default:
4431                 Jim_Panic(goi.interp,"Why am I here?");
4432                 return JIM_ERR;
4433         case TG_CMD_CURRENT:
4434                 if (goi.argc != 0) {
4435                         Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4436                         return JIM_ERR;
4437                 }
4438                 Jim_SetResultString(goi.interp, get_current_target(cmd_ctx)->cmd_name, -1);
4439                 return JIM_OK;
4440         case TG_CMD_TYPES:
4441                 if (goi.argc != 0) {
4442                         Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4443                         return JIM_ERR;
4444                 }
4445                 Jim_SetResult(goi.interp, Jim_NewListObj(goi.interp, NULL, 0));
4446                 for (x = 0 ; target_types[x] ; x++) {
4447                         Jim_ListAppendElement(goi.interp,
4448                                                                    Jim_GetResult(goi.interp),
4449                                                                    Jim_NewStringObj(goi.interp, target_types[x]->name, -1));
4450                 }
4451                 return JIM_OK;
4452         case TG_CMD_NAMES:
4453                 if (goi.argc != 0) {
4454                         Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4455                         return JIM_ERR;
4456                 }
4457                 Jim_SetResult(goi.interp, Jim_NewListObj(goi.interp, NULL, 0));
4458                 target = all_targets;
4459                 while (target) {
4460                         Jim_ListAppendElement(goi.interp,
4461                                                                    Jim_GetResult(goi.interp),
4462                                                                    Jim_NewStringObj(goi.interp, target->cmd_name, -1));
4463                         target = target->next;
4464                 }
4465                 return JIM_OK;
4466         case TG_CMD_CREATE:
4467                 if (goi.argc < 3) {
4468                         Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv, "?name  ... config options ...");
4469                         return JIM_ERR;
4470                 }
4471                 return target_create(&goi);
4472                 break;
4473         case TG_CMD_NUMBER:
4474                 /* It's OK to remove this mechanism sometime after August 2010 or so */
4475                 LOG_WARNING("don't use numbers as target identifiers; use names");
4476                 if (goi.argc != 1) {
4477                         Jim_SetResult_sprintf(goi.interp, "expected: target number ?NUMBER?");
4478                         return JIM_ERR;
4479                 }
4480                 e = Jim_GetOpt_Wide(&goi, &w);
4481                 if (e != JIM_OK) {
4482                         return JIM_ERR;
4483                 }
4484                 for (x = 0, target = all_targets; target; target = target->next, x++) {
4485                         if (target->target_number == w)
4486                                 break;
4487                 }
4488                 if (target == NULL) {
4489                         Jim_SetResult_sprintf(goi.interp,
4490                                         "Target: number %d does not exist", (int)(w));
4491                         return JIM_ERR;
4492                 }
4493                 Jim_SetResultString(goi.interp, target->cmd_name, -1);
4494                 return JIM_OK;
4495         case TG_CMD_COUNT:
4496                 if (goi.argc != 0) {
4497                         Jim_WrongNumArgs(goi.interp, 0, goi.argv, "<no parameters>");
4498                         return JIM_ERR;
4499                 }
4500                 for (x = 0, target = all_targets; target; target = target->next, x++)
4501                         continue;
4502                 Jim_SetResult(goi.interp, Jim_NewIntObj(goi.interp, x));
4503                 return JIM_OK;
4504         }
4505
4506         return JIM_ERR;
4507 }
4508
4509
4510 struct FastLoad
4511 {
4512         uint32_t address;
4513         uint8_t *data;
4514         int length;
4515
4516 };
4517
4518 static int fastload_num;
4519 static struct FastLoad *fastload;
4520
4521 static void free_fastload(void)
4522 {
4523         if (fastload != NULL)
4524         {
4525                 int i;
4526                 for (i = 0; i < fastload_num; i++)
4527                 {
4528                         if (fastload[i].data)
4529                                 free(fastload[i].data);
4530                 }
4531                 free(fastload);
4532                 fastload = NULL;
4533         }
4534 }
4535
4536
4537
4538
4539 COMMAND_HANDLER(handle_fast_load_image_command)
4540 {
4541         uint8_t *buffer;
4542         uint32_t buf_cnt;
4543         uint32_t image_size;
4544         uint32_t min_address = 0;
4545         uint32_t max_address = 0xffffffff;
4546         int i;
4547
4548         image_t image;
4549
4550         int retval = CALL_COMMAND_HANDLER(parse_load_image_command_args,
4551                         &image, &min_address, &max_address);
4552         if (ERROR_OK != retval)
4553                 return retval;
4554
4555         struct duration bench;
4556         duration_start(&bench);
4557
4558         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
4559         {
4560                 return ERROR_OK;
4561         }
4562
4563         image_size = 0x0;
4564         retval = ERROR_OK;
4565         fastload_num = image.num_sections;
4566         fastload = (struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
4567         if (fastload == NULL)
4568         {
4569                 image_close(&image);
4570                 return ERROR_FAIL;
4571         }
4572         memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
4573         for (i = 0; i < image.num_sections; i++)
4574         {
4575                 buffer = malloc(image.sections[i].size);
4576                 if (buffer == NULL)
4577                 {
4578                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)",
4579                                                   (int)(image.sections[i].size));
4580                         break;
4581                 }
4582
4583                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
4584                 {
4585                         free(buffer);
4586                         break;
4587                 }
4588
4589                 uint32_t offset = 0;
4590                 uint32_t length = buf_cnt;
4591
4592
4593                 /* DANGER!!! beware of unsigned comparision here!!! */
4594
4595                 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
4596                                 (image.sections[i].base_address < max_address))
4597                 {
4598                         if (image.sections[i].base_address < min_address)
4599                         {
4600                                 /* clip addresses below */
4601                                 offset += min_address-image.sections[i].base_address;
4602                                 length -= offset;
4603                         }
4604
4605                         if (image.sections[i].base_address + buf_cnt > max_address)
4606                         {
4607                                 length -= (image.sections[i].base_address + buf_cnt)-max_address;
4608                         }
4609
4610                         fastload[i].address = image.sections[i].base_address + offset;
4611                         fastload[i].data = malloc(length);
4612                         if (fastload[i].data == NULL)
4613                         {
4614                                 free(buffer);
4615                                 break;
4616                         }
4617                         memcpy(fastload[i].data, buffer + offset, length);
4618                         fastload[i].length = length;
4619
4620                         image_size += length;
4621                         command_print(cmd_ctx, "%u bytes written at address 0x%8.8x",
4622                                                   (unsigned int)length,
4623                                                   ((unsigned int)(image.sections[i].base_address + offset)));
4624                 }
4625
4626                 free(buffer);
4627         }
4628
4629         if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
4630         {
4631                 command_print(cmd_ctx, "Loaded %" PRIu32 " bytes "
4632                                 "in %fs (%0.3f kb/s)", image_size,
4633                                 duration_elapsed(&bench), duration_kbps(&bench, image_size));
4634
4635                 command_print(cmd_ctx,
4636                                 "WARNING: image has not been loaded to target!"
4637                                 "You can issue a 'fast_load' to finish loading.");
4638         }
4639
4640         image_close(&image);
4641
4642         if (retval != ERROR_OK)
4643         {
4644                 free_fastload();
4645         }
4646
4647         return retval;
4648 }
4649
4650 COMMAND_HANDLER(handle_fast_load_command)
4651 {
4652         if (argc > 0)
4653                 return ERROR_COMMAND_SYNTAX_ERROR;
4654         if (fastload == NULL)
4655         {
4656                 LOG_ERROR("No image in memory");
4657                 return ERROR_FAIL;
4658         }
4659         int i;
4660         int ms = timeval_ms();
4661         int size = 0;
4662         int retval = ERROR_OK;
4663         for (i = 0; i < fastload_num;i++)
4664         {
4665                 target_t *target = get_current_target(cmd_ctx);
4666                 command_print(cmd_ctx, "Write to 0x%08x, length 0x%08x",
4667                                           (unsigned int)(fastload[i].address),
4668                                           (unsigned int)(fastload[i].length));
4669                 if (retval == ERROR_OK)
4670                 {
4671                         retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
4672                 }
4673                 size += fastload[i].length;
4674         }
4675         int after = timeval_ms();
4676         command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
4677         return retval;
4678 }
4679
4680 static int jim_mcrmrc(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4681 {
4682         command_context_t *context;
4683         target_t *target;
4684         int retval;
4685
4686         context = Jim_GetAssocData(interp, "context");
4687         if (context == NULL) {
4688                 LOG_ERROR("array2mem: no command context");
4689                 return JIM_ERR;
4690         }
4691         target = get_current_target(context);
4692         if (target == NULL) {
4693                 LOG_ERROR("array2mem: no current target");
4694                 return JIM_ERR;
4695         }
4696
4697         if ((argc < 6) || (argc > 7))
4698         {
4699                 return JIM_ERR;
4700         }
4701
4702         int cpnum;
4703         uint32_t op1;
4704         uint32_t op2;
4705         uint32_t CRn;
4706         uint32_t CRm;
4707         uint32_t value;
4708
4709         int e;
4710         long l;
4711         e = Jim_GetLong(interp, argv[1], &l);
4712         if (e != JIM_OK) {
4713                 return e;
4714         }
4715         cpnum = l;
4716
4717         e = Jim_GetLong(interp, argv[2], &l);
4718         if (e != JIM_OK) {
4719                 return e;
4720         }
4721         op1 = l;
4722
4723         e = Jim_GetLong(interp, argv[3], &l);
4724         if (e != JIM_OK) {
4725                 return e;
4726         }
4727         CRn = l;
4728
4729         e = Jim_GetLong(interp, argv[4], &l);
4730         if (e != JIM_OK) {
4731                 return e;
4732         }
4733         CRm = l;
4734
4735         e = Jim_GetLong(interp, argv[5], &l);
4736         if (e != JIM_OK) {
4737                 return e;
4738         }
4739         op2 = l;
4740
4741         value = 0;
4742
4743         if (argc == 7)
4744         {
4745                 e = Jim_GetLong(interp, argv[6], &l);
4746                 if (e != JIM_OK) {
4747                         return e;
4748                 }
4749                 value = l;
4750
4751                 retval = target_mcr(target, cpnum, op1, op2, CRn, CRm, value);
4752                 if (retval != ERROR_OK)
4753                         return JIM_ERR;
4754         } else
4755         {
4756                 retval = target_mrc(target, cpnum, op1, op2, CRn, CRm, &value);
4757                 if (retval != ERROR_OK)
4758                         return JIM_ERR;
4759
4760                 Jim_SetResult(interp, Jim_NewIntObj(interp, value));
4761         }
4762
4763         return JIM_OK;
4764 }
4765
4766 int target_register_commands(struct command_context_s *cmd_ctx)
4767 {
4768
4769         register_command(cmd_ctx, NULL, "targets",
4770                         handle_targets_command, COMMAND_EXEC,
4771                         "change current command line target (one parameter) "
4772                         "or list targets (no parameters)");
4773
4774         register_jim(cmd_ctx, "target", jim_target, "configure target");
4775
4776         return ERROR_OK;
4777 }
4778
4779 int target_register_user_commands(struct command_context_s *cmd_ctx)
4780 {
4781         int retval = ERROR_OK;
4782         if ((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
4783                 return retval;
4784
4785         if ((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
4786                 return retval;
4787
4788         register_command(cmd_ctx, NULL, "profile",
4789                         handle_profile_command, COMMAND_EXEC,
4790                         "profiling samples the CPU PC");
4791
4792         register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array,
4793                         "read memory and return as a TCL array for script processing "
4794                         "<ARRAYNAME> <WIDTH = 32/16/8> <ADDRESS> <COUNT>");
4795
4796         register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem,
4797                         "convert a TCL array to memory locations and write the values "
4798                         "<ARRAYNAME> <WIDTH = 32/16/8> <ADDRESS> <COUNT>");
4799
4800         register_command(cmd_ctx, NULL, "fast_load_image",
4801                         handle_fast_load_image_command, COMMAND_ANY,
4802                         "same args as load_image, image stored in memory "
4803                         "- mainly for profiling purposes");
4804
4805         register_command(cmd_ctx, NULL, "fast_load",
4806                         handle_fast_load_command, COMMAND_ANY,
4807                         "loads active fast load image to current target "
4808                         "- mainly for profiling purposes");
4809
4810         /** @todo don't register virt2phys() unless target supports it */
4811         register_command(cmd_ctx, NULL, "virt2phys",
4812                         handle_virt2phys_command, COMMAND_ANY,
4813                         "translate a virtual address into a physical address");
4814
4815         register_command(cmd_ctx,  NULL, "reg",
4816                         handle_reg_command, COMMAND_EXEC,
4817                         "display or set a register");
4818
4819         register_command(cmd_ctx,  NULL, "poll",
4820                         handle_poll_command, COMMAND_EXEC,
4821                         "poll target state");
4822         register_command(cmd_ctx,  NULL, "wait_halt",
4823                         handle_wait_halt_command, COMMAND_EXEC,
4824                         "wait for target halt [time (s)]");
4825         register_command(cmd_ctx,  NULL, "halt",
4826                         handle_halt_command, COMMAND_EXEC,
4827                         "halt target");
4828         register_command(cmd_ctx,  NULL, "resume",
4829                         handle_resume_command, COMMAND_EXEC,
4830                         "resume target [addr]");
4831         register_command(cmd_ctx,  NULL, "reset",
4832                         handle_reset_command, COMMAND_EXEC,
4833                         "reset target [run | halt | init] - default is run");
4834         register_command(cmd_ctx,  NULL, "soft_reset_halt",
4835                         handle_soft_reset_halt_command, COMMAND_EXEC,
4836                         "halt the target and do a soft reset");
4837
4838         register_command(cmd_ctx,  NULL, "step",
4839                         handle_step_command, COMMAND_EXEC,
4840                         "step one instruction from current PC or [addr]");
4841
4842         register_command(cmd_ctx,  NULL, "mdw",
4843                         handle_md_command, COMMAND_EXEC,
4844                         "display memory words [phys] <addr> [count]");
4845         register_command(cmd_ctx,  NULL, "mdh",
4846                         handle_md_command, COMMAND_EXEC,
4847                         "display memory half-words [phys] <addr> [count]");
4848         register_command(cmd_ctx,  NULL, "mdb",
4849                         handle_md_command, COMMAND_EXEC,
4850                         "display memory bytes [phys] <addr> [count]");
4851
4852         register_command(cmd_ctx,  NULL, "mww",
4853                         handle_mw_command, COMMAND_EXEC,
4854                         "write memory word [phys]  <addr> <value> [count]");
4855         register_command(cmd_ctx,  NULL, "mwh",
4856                         handle_mw_command, COMMAND_EXEC,
4857                         "write memory half-word [phys]  <addr> <value> [count]");
4858         register_command(cmd_ctx,  NULL, "mwb",
4859                         handle_mw_command, COMMAND_EXEC,
4860                         "write memory byte [phys] <addr> <value> [count]");
4861
4862         register_command(cmd_ctx,  NULL, "bp",
4863                         handle_bp_command, COMMAND_EXEC,
4864                         "list or set breakpoint [<address> <length> [hw]]");
4865         register_command(cmd_ctx,  NULL, "rbp",
4866                         handle_rbp_command, COMMAND_EXEC,
4867                         "remove breakpoint <address>");
4868
4869         register_command(cmd_ctx,  NULL, "wp",
4870                         handle_wp_command, COMMAND_EXEC,
4871                         "list or set watchpoint "
4872                                 "[<address> <length> <r/w/a> [value] [mask]]");
4873         register_command(cmd_ctx,  NULL, "rwp",
4874                         handle_rwp_command, COMMAND_EXEC,
4875                         "remove watchpoint <address>");
4876
4877         register_command(cmd_ctx,  NULL, "load_image",
4878                         handle_load_image_command, COMMAND_EXEC,
4879                         "load_image <file> <address> "
4880                         "['bin'|'ihex'|'elf'|'s19'] [min_address] [max_length]");
4881         register_command(cmd_ctx,  NULL, "dump_image",
4882                         handle_dump_image_command, COMMAND_EXEC,
4883                         "dump_image <file> <address> <size>");
4884         register_command(cmd_ctx,  NULL, "verify_image",
4885                         handle_verify_image_command, COMMAND_EXEC,
4886                         "verify_image <file> [offset] [type]");
4887         register_command(cmd_ctx,  NULL, "test_image",
4888                         handle_test_image_command, COMMAND_EXEC,
4889                         "test_image <file> [offset] [type]");
4890
4891         return ERROR_OK;
4892 }