git.sur5r.net Git - openocd/blob - src/target/target.c

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