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 "time_support.h"
  40 #include "register.h"
  41 #include "trace.h"
  42 #include "image.h"
  43 #include "jtag.h"
  44
  45
  46 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  47
  48 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  49 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  50 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  51 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  52 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  53 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  54 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  55 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  56 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  57 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  58 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  59 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  60 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  61 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  62 static int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  63 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  64 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  65 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  66 static int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
  67 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  68 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  69 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  70
  71 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  72 static int jim_mcrmrc(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  73 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  74 static int jim_target(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  75
  76 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  77 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  78
  79 /* targets */
  80 extern target_type_t arm7tdmi_target;
  81 extern target_type_t arm720t_target;
  82 extern target_type_t arm9tdmi_target;
  83 extern target_type_t arm920t_target;
  84 extern target_type_t arm966e_target;
  85 extern target_type_t arm926ejs_target;
  86 extern target_type_t fa526_target;
  87 extern target_type_t feroceon_target;
  88 extern target_type_t dragonite_target;
  89 extern target_type_t xscale_target;
  90 extern target_type_t cortexm3_target;
  91 extern target_type_t cortexa8_target;
  92 extern target_type_t arm11_target;
  93 extern target_type_t mips_m4k_target;
  94 extern target_type_t avr_target;
  95
  96 target_type_t *target_types[] =
  97 {
  98         &arm7tdmi_target,
  99         &arm9tdmi_target,
 100         &arm920t_target,
 101         &arm720t_target,
 102         &arm966e_target,
 103         &arm926ejs_target,
 104         &fa526_target,
 105         &feroceon_target,
 106         &dragonite_target,
 107         &xscale_target,
 108         &cortexm3_target,
 109         &cortexa8_target,
 110         &arm11_target,
 111         &mips_m4k_target,
 112         &avr_target,
 113         NULL,
 114 };
 115
 116 target_t *all_targets = NULL;
 117 target_event_callback_t *target_event_callbacks = NULL;
 118 target_timer_callback_t *target_timer_callbacks = NULL;
 119
 120 const Jim_Nvp nvp_assert[] = {
 121         { .name = "assert", NVP_ASSERT },
 122         { .name = "deassert", NVP_DEASSERT },
 123         { .name = "T", NVP_ASSERT },
 124         { .name = "F", NVP_DEASSERT },
 125         { .name = "t", NVP_ASSERT },
 126         { .name = "f", NVP_DEASSERT },
 127         { .name = NULL, .value = -1 }
 128 };
 129
 130 const Jim_Nvp nvp_error_target[] = {
 131         { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
 132         { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
 133         { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
 134         { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
 135         { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
 136         { .value = ERROR_TARGET_UNALIGNED_ACCESS   , .name = "err-unaligned-access" },
 137         { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
 138         { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
 139         { .value = ERROR_TARGET_TRANSLATION_FAULT  , .name = "err-translation-fault" },
 140         { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
 141         { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
 142         { .value = -1, .name = NULL }
 143 };
 144
 145 const char *target_strerror_safe(int err)
 146 {
 147         const Jim_Nvp *n;
 148
 149         n = Jim_Nvp_value2name_simple(nvp_error_target, err);
 150         if (n->name == NULL) {
 151                 return "unknown";
 152         } else {
 153                 return n->name;
 154         }
 155 }
 156
 157 static const Jim_Nvp nvp_target_event[] = {
 158         { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
 159         { .value = TARGET_EVENT_OLD_pre_resume         , .name = "old-pre_resume" },
 160
 161         { .value = TARGET_EVENT_GDB_HALT, .name = "gdb-halt" },
 162         { .value = TARGET_EVENT_HALTED, .name = "halted" },
 163         { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
 164         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 165         { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
 166
 167         { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
 168         { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
 169
 170         /* historical name */
 171
 172         { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
 173
 174         { .value = TARGET_EVENT_RESET_ASSERT_PRE,    .name = "reset-assert-pre" },
 175         { .value = TARGET_EVENT_RESET_ASSERT_POST,   .name = "reset-assert-post" },
 176         { .value = TARGET_EVENT_RESET_DEASSERT_PRE,  .name = "reset-deassert-pre" },
 177         { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
 178         { .value = TARGET_EVENT_RESET_HALT_PRE,      .name = "reset-halt-pre" },
 179         { .value = TARGET_EVENT_RESET_HALT_POST,     .name = "reset-halt-post" },
 180         { .value = TARGET_EVENT_RESET_WAIT_PRE,      .name = "reset-wait-pre" },
 181         { .value = TARGET_EVENT_RESET_WAIT_POST,     .name = "reset-wait-post" },
 182         { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
 183         { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
 184
 185         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
 186         { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
 187
 188         { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
 189         { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
 190
 191         { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
 192         { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
 193
 194         { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
 195         { .value = TARGET_EVENT_GDB_FLASH_WRITE_END  , .name = "gdb-flash-write-end"   },
 196
 197         { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
 198         { .value = TARGET_EVENT_GDB_FLASH_ERASE_END  , .name = "gdb-flash-erase-end" },
 199
 200         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 201         { .value = TARGET_EVENT_RESUMED     , .name = "resume-ok" },
 202         { .value = TARGET_EVENT_RESUME_END  , .name = "resume-end" },
 203
 204         { .name = NULL, .value = -1 }
 205 };
 206
 207 const Jim_Nvp nvp_target_state[] = {
 208         { .name = "unknown", .value = TARGET_UNKNOWN },
 209         { .name = "running", .value = TARGET_RUNNING },
 210         { .name = "halted",  .value = TARGET_HALTED },
 211         { .name = "reset",   .value = TARGET_RESET },
 212         { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
 213         { .name = NULL, .value = -1 },
 214 };
 215
 216 const Jim_Nvp nvp_target_debug_reason [] = {
 217         { .name = "debug-request"            , .value = DBG_REASON_DBGRQ },
 218         { .name = "breakpoint"               , .value = DBG_REASON_BREAKPOINT },
 219         { .name = "watchpoint"               , .value = DBG_REASON_WATCHPOINT },
 220         { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
 221         { .name = "single-step"              , .value = DBG_REASON_SINGLESTEP },
 222         { .name = "target-not-halted"        , .value = DBG_REASON_NOTHALTED  },
 223         { .name = "undefined"                , .value = DBG_REASON_UNDEFINED },
 224         { .name = NULL, .value = -1 },
 225 };
 226
 227 const Jim_Nvp nvp_target_endian[] = {
 228         { .name = "big",    .value = TARGET_BIG_ENDIAN },
 229         { .name = "little", .value = TARGET_LITTLE_ENDIAN },
 230         { .name = "be",     .value = TARGET_BIG_ENDIAN },
 231         { .name = "le",     .value = TARGET_LITTLE_ENDIAN },
 232         { .name = NULL,     .value = -1 },
 233 };
 234
 235 const Jim_Nvp nvp_reset_modes[] = {
 236         { .name = "unknown", .value = RESET_UNKNOWN },
 237         { .name = "run"    , .value = RESET_RUN },
 238         { .name = "halt"   , .value = RESET_HALT },
 239         { .name = "init"   , .value = RESET_INIT },
 240         { .name = NULL     , .value = -1 },
 241 };
 242
 243 const char *
 244 target_state_name( target_t *t )
 245 {
 246         const char *cp;
 247         cp = Jim_Nvp_value2name_simple(nvp_target_state, t->state)->name;
 248         if( !cp ){
 249                 LOG_ERROR("Invalid target state: %d", (int)(t->state));
 250                 cp = "(*BUG*unknown*BUG*)";
 251         }
 252         return cp;
 253 }
 254
 255 /* determine the number of the new target */
 256 static int new_target_number(void)
 257 {
 258         target_t *t;
 259         int x;
 260
 261         /* number is 0 based */
 262         x = -1;
 263         t = all_targets;
 264         while (t) {
 265                 if (x < t->target_number) {
 266                         x = t->target_number;
 267                 }
 268                 t = t->next;
 269         }
 270         return x + 1;
 271 }
 272
 273 /* read a uint32_t from a buffer in target memory endianness */
 274 uint32_t target_buffer_get_u32(target_t *target, const uint8_t *buffer)
 275 {
 276         if (target->endianness == TARGET_LITTLE_ENDIAN)
 277                 return le_to_h_u32(buffer);
 278         else
 279                 return be_to_h_u32(buffer);
 280 }
 281
 282 /* read a uint16_t from a buffer in target memory endianness */
 283 uint16_t target_buffer_get_u16(target_t *target, const uint8_t *buffer)
 284 {
 285         if (target->endianness == TARGET_LITTLE_ENDIAN)
 286                 return le_to_h_u16(buffer);
 287         else
 288                 return be_to_h_u16(buffer);
 289 }
 290
 291 /* read a uint8_t from a buffer in target memory endianness */
 292 uint8_t target_buffer_get_u8(target_t *target, const uint8_t *buffer)
 293 {
 294         return *buffer & 0x0ff;
 295 }
 296
 297 /* write a uint32_t to a buffer in target memory endianness */
 298 void target_buffer_set_u32(target_t *target, uint8_t *buffer, uint32_t value)
 299 {
 300         if (target->endianness == TARGET_LITTLE_ENDIAN)
 301                 h_u32_to_le(buffer, value);
 302         else
 303                 h_u32_to_be(buffer, value);
 304 }
 305
 306 /* write a uint16_t to a buffer in target memory endianness */
 307 void target_buffer_set_u16(target_t *target, uint8_t *buffer, uint16_t value)
 308 {
 309         if (target->endianness == TARGET_LITTLE_ENDIAN)
 310                 h_u16_to_le(buffer, value);
 311         else
 312                 h_u16_to_be(buffer, value);
 313 }
 314
 315 /* write a uint8_t to a buffer in target memory endianness */
 316 void target_buffer_set_u8(target_t *target, uint8_t *buffer, uint8_t value)
 317 {
 318         *buffer = value;
 319 }
 320
 321 /* return a pointer to a configured target; id is name or number */
 322 target_t *get_target(const char *id)
 323 {
 324         target_t *target;
 325
 326         /* try as tcltarget name */
 327         for (target = all_targets; target; target = target->next) {
 328                 if (target->cmd_name == NULL)
 329                         continue;
 330                 if (strcmp(id, target->cmd_name) == 0)
 331                         return target;
 332         }
 333
 334         /* It's OK to remove this fallback sometime after August 2010 or so */
 335
 336         /* no match, try as number */
 337         unsigned num;
 338         if (parse_uint(id, &num) != ERROR_OK)
 339                 return NULL;
 340
 341         for (target = all_targets; target; target = target->next) {
 342                 if (target->target_number == (int)num) {
 343                         LOG_WARNING("use '%s' as target identifier, not '%u'",
 344                                         target->cmd_name, num);
 345                         return target;
 346                 }
 347         }
 348
 349         return NULL;
 350 }
 351
 352 /* returns a pointer to the n-th configured target */
 353 static target_t *get_target_by_num(int num)
 354 {
 355         target_t *target = all_targets;
 356
 357         while (target) {
 358                 if (target->target_number == num) {
 359                         return target;
 360                 }
 361                 target = target->next;
 362         }
 363
 364         return NULL;
 365 }
 366
 367 target_t* get_current_target(command_context_t *cmd_ctx)
 368 {
 369         target_t *target = get_target_by_num(cmd_ctx->current_target);
 370
 371         if (target == NULL)
 372         {
 373                 LOG_ERROR("BUG: current_target out of bounds");
 374                 exit(-1);
 375         }
 376
 377         return target;
 378 }
 379
 380 int target_poll(struct target_s *target)
 381 {
 382         int retval;
 383
 384         /* We can't poll until after examine */
 385         if (!target_was_examined(target))
 386         {
 387                 /* Fail silently lest we pollute the log */
 388                 return ERROR_FAIL;
 389         }
 390
 391         retval = target->type->poll(target);
 392         if (retval != ERROR_OK)
 393                 return retval;
 394
 395         if (target->halt_issued)
 396         {
 397                 if (target->state == TARGET_HALTED)
 398                 {
 399                         target->halt_issued = false;
 400                 } else
 401                 {
 402                         long long t = timeval_ms() - target->halt_issued_time;
 403                         if (t>1000)
 404                         {
 405                                 target->halt_issued = false;
 406                                 LOG_INFO("Halt timed out, wake up GDB.");
 407                                 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
 408                         }
 409                 }
 410         }
 411
 412         return ERROR_OK;
 413 }
 414
 415 int target_halt(struct target_s *target)
 416 {
 417         int retval;
 418         /* We can't poll until after examine */
 419         if (!target_was_examined(target))
 420         {
 421                 LOG_ERROR("Target not examined yet");
 422                 return ERROR_FAIL;
 423         }
 424
 425         retval = target->type->halt(target);
 426         if (retval != ERROR_OK)
 427                 return retval;
 428
 429         target->halt_issued = true;
 430         target->halt_issued_time = timeval_ms();
 431
 432         return ERROR_OK;
 433 }
 434
 435 int target_resume(struct target_s *target, int current, uint32_t address, int handle_breakpoints, int debug_execution)
 436 {
 437         int retval;
 438
 439         /* We can't poll until after examine */
 440         if (!target_was_examined(target))
 441         {
 442                 LOG_ERROR("Target not examined yet");
 443                 return ERROR_FAIL;
 444         }
 445
 446         /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
 447          * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
 448          * the application.
 449          */
 450         if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
 451                 return retval;
 452
 453         return retval;
 454 }
 455
 456 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
 457 {
 458         char buf[100];
 459         int retval;
 460         Jim_Nvp *n;
 461         n = Jim_Nvp_value2name_simple(nvp_reset_modes, reset_mode);
 462         if (n->name == NULL) {
 463                 LOG_ERROR("invalid reset mode");
 464                 return ERROR_FAIL;
 465         }
 466
 467         /* disable polling during reset to make reset event scripts
 468          * more predictable, i.e. dr/irscan & pathmove in events will
 469          * not have JTAG operations injected into the middle of a sequence.
 470          */
 471         bool save_poll = jtag_poll_get_enabled();
 472
 473         jtag_poll_set_enabled(false);
 474
 475         sprintf(buf, "ocd_process_reset %s", n->name);
 476         retval = Jim_Eval(interp, buf);
 477
 478         jtag_poll_set_enabled(save_poll);
 479
 480         if (retval != JIM_OK) {
 481                 Jim_PrintErrorMessage(interp);
 482                 return ERROR_FAIL;
 483         }
 484
 485         /* We want any events to be processed before the prompt */
 486         retval = target_call_timer_callbacks_now();
 487
 488         return retval;
 489 }
 490
 491 static int default_virt2phys(struct target_s *target, uint32_t virtual, uint32_t *physical)
 492 {
 493         *physical = virtual;
 494         return ERROR_OK;
 495 }
 496
 497 static int default_mmu(struct target_s *target, int *enabled)
 498 {
 499         *enabled = 0;
 500         return ERROR_OK;
 501 }
 502
 503 static int default_examine(struct target_s *target)
 504 {
 505         target_set_examined(target);
 506         return ERROR_OK;
 507 }
 508
 509 int target_examine_one(struct target_s *target)
 510 {
 511         return target->type->examine(target);
 512 }
 513
 514 static int jtag_enable_callback(enum jtag_event event, void *priv)
 515 {
 516         target_t *target = priv;
 517
 518         if (event != JTAG_TAP_EVENT_ENABLE || !target->tap->enabled)
 519                 return ERROR_OK;
 520
 521         jtag_unregister_event_callback(jtag_enable_callback, target);
 522         return target_examine_one(target);
 523 }
 524
 525
 526 /* Targets that correctly implement init + examine, i.e.
 527  * no communication with target during init:
 528  *
 529  * XScale
 530  */
 531 int target_examine(void)
 532 {
 533         int retval = ERROR_OK;
 534         target_t *target;
 535
 536         for (target = all_targets; target; target = target->next)
 537         {
 538                 /* defer examination, but don't skip it */
 539                 if (!target->tap->enabled) {
 540                         jtag_register_event_callback(jtag_enable_callback,
 541                                         target);
 542                         continue;
 543                 }
 544                 if ((retval = target_examine_one(target)) != ERROR_OK)
 545                         return retval;
 546         }
 547         return retval;
 548 }
 549 const char *target_get_name(struct target_s *target)
 550 {
 551         return target->type->name;
 552 }
 553
 554 static int target_write_memory_imp(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
 555 {
 556         if (!target_was_examined(target))
 557         {
 558                 LOG_ERROR("Target not examined yet");
 559                 return ERROR_FAIL;
 560         }
 561         return target->type->write_memory_imp(target, address, size, count, buffer);
 562 }
 563
 564 static int target_read_memory_imp(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
 565 {
 566         if (!target_was_examined(target))
 567         {
 568                 LOG_ERROR("Target not examined yet");
 569                 return ERROR_FAIL;
 570         }
 571         return target->type->read_memory_imp(target, address, size, count, buffer);
 572 }
 573
 574 static int target_soft_reset_halt_imp(struct target_s *target)
 575 {
 576         if (!target_was_examined(target))
 577         {
 578                 LOG_ERROR("Target not examined yet");
 579                 return ERROR_FAIL;
 580         }
 581         if (!target->type->soft_reset_halt_imp) {
 582                 LOG_ERROR("Target %s does not support soft_reset_halt",
 583                                 target->cmd_name);
 584                 return ERROR_FAIL;
 585         }
 586         return target->type->soft_reset_halt_imp(target);
 587 }
 588
 589 static int target_run_algorithm_imp(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_param, uint32_t entry_point, uint32_t exit_point, int timeout_ms, void *arch_info)
 590 {
 591         if (!target_was_examined(target))
 592         {
 593                 LOG_ERROR("Target not examined yet");
 594                 return ERROR_FAIL;
 595         }
 596         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);
 597 }
 598
 599 int target_read_memory(struct target_s *target,
 600                 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
 601 {
 602         return target->type->read_memory(target, address, size, count, buffer);
 603 }
 604
 605 int target_read_phys_memory(struct target_s *target,
 606                 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
 607 {
 608         return target->type->read_phys_memory(target, address, size, count, buffer);
 609 }
 610
 611 int target_write_memory(struct target_s *target,
 612                 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
 613 {
 614         return target->type->write_memory(target, address, size, count, buffer);
 615 }
 616
 617 int target_write_phys_memory(struct target_s *target,
 618                 uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
 619 {
 620         return target->type->write_phys_memory(target, address, size, count, buffer);
 621 }
 622
 623 int target_bulk_write_memory(struct target_s *target,
 624                 uint32_t address, uint32_t count, uint8_t *buffer)
 625 {
 626         return target->type->bulk_write_memory(target, address, count, buffer);
 627 }
 628
 629 int target_add_breakpoint(struct target_s *target,
 630                 struct breakpoint_s *breakpoint)
 631 {
 632         return target->type->add_breakpoint(target, breakpoint);
 633 }
 634 int target_remove_breakpoint(struct target_s *target,
 635                 struct breakpoint_s *breakpoint)
 636 {
 637         return target->type->remove_breakpoint(target, breakpoint);
 638 }
 639
 640 int target_add_watchpoint(struct target_s *target,
 641                 struct watchpoint_s *watchpoint)
 642 {
 643         return target->type->add_watchpoint(target, watchpoint);
 644 }
 645 int target_remove_watchpoint(struct target_s *target,
 646                 struct watchpoint_s *watchpoint)
 647 {
 648         return target->type->remove_watchpoint(target, watchpoint);
 649 }
 650
 651 int target_get_gdb_reg_list(struct target_s *target,
 652                 struct reg_s **reg_list[], int *reg_list_size)
 653 {
 654         return target->type->get_gdb_reg_list(target, reg_list, reg_list_size);
 655 }
 656 int target_step(struct target_s *target,
 657                 int current, uint32_t address, int handle_breakpoints)
 658 {
 659         return target->type->step(target, current, address, handle_breakpoints);
 660 }
 661
 662
 663 int target_run_algorithm(struct target_s *target,
 664                 int num_mem_params, mem_param_t *mem_params,
 665                 int num_reg_params, reg_param_t *reg_param,
 666                 uint32_t entry_point, uint32_t exit_point,
 667                 int timeout_ms, void *arch_info)
 668 {
 669         return target->type->run_algorithm(target,
 670                         num_mem_params, mem_params, num_reg_params, reg_param,
 671                         entry_point, exit_point, timeout_ms, arch_info);
 672 }
 673
 674 /// @returns @c true if the target has been examined.
 675 bool target_was_examined(struct target_s *target)
 676 {
 677         return target->type->examined;
 678 }
 679 /// Sets the @c examined flag for the given target.
 680 void target_set_examined(struct target_s *target)
 681 {
 682         target->type->examined = true;
 683 }
 684 // Reset the @c examined flag for the given target.
 685 void target_reset_examined(struct target_s *target)
 686 {
 687         target->type->examined = false;
 688 }
 689
 690
 691
 692 static int default_mrc(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t *value)
 693 {
 694         LOG_ERROR("Not implemented");
 695         return ERROR_FAIL;
 696 }
 697
 698 static int default_mcr(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t value)
 699 {
 700         LOG_ERROR("Not implemented");
 701         return ERROR_FAIL;
 702 }
 703
 704 static int arm_cp_check(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm)
 705 {
 706         /* basic check */
 707         if (!target_was_examined(target))
 708         {
 709                 LOG_ERROR("Target not examined yet");
 710                 return ERROR_FAIL;
 711         }
 712
 713         if ((cpnum <0) || (cpnum > 15))
 714         {
 715                 LOG_ERROR("Illegal co-processor %d", cpnum);
 716                 return ERROR_FAIL;
 717         }
 718
 719         return ERROR_OK;
 720 }
 721
 722 int target_mrc(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t *value)
 723 {
 724         int retval;
 725
 726         retval = arm_cp_check(target, cpnum, op1, op2, CRn, CRm);
 727         if (retval != ERROR_OK)
 728                 return retval;
 729
 730         return target->type->mrc(target, cpnum, op1, op2, CRn, CRm, value);
 731 }
 732
 733 int target_mcr(struct target_s *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t value)
 734 {
 735         int retval;
 736
 737         retval = arm_cp_check(target, cpnum, op1, op2, CRn, CRm);
 738         if (retval != ERROR_OK)
 739                 return retval;
 740
 741         return target->type->mcr(target, cpnum, op1, op2, CRn, CRm, value);
 742 }
 743
 744 static int default_read_phys_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
 745 {
 746         LOG_ERROR("Not implemented");
 747         return ERROR_FAIL;
 748 }
 749
 750 static int default_write_phys_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
 751 {
 752         LOG_ERROR("Not implemented");
 753         return ERROR_FAIL;
 754 }
 755
 756
 757 int target_init(struct command_context_s *cmd_ctx)
 758 {
 759         target_t *target = all_targets;
 760         int retval;
 761
 762         while (target)
 763         {
 764                 target_reset_examined(target);
 765                 if (target->type->examine == NULL)
 766                 {
 767                         target->type->examine = default_examine;
 768                 }
 769
 770                 if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
 771                 {
 772                         LOG_ERROR("target '%s' init failed", target_get_name(target));
 773                         return retval;
 774                 }
 775
 776                 /* Set up default functions if none are provided by target */
 777                 if (target->type->virt2phys == NULL)
 778                 {
 779                         target->type->virt2phys = default_virt2phys;
 780                 }
 781
 782                 if (target->type->read_phys_memory == NULL)
 783                 {
 784                         target->type->read_phys_memory = default_read_phys_memory;
 785                 }
 786
 787                 if (target->type->write_phys_memory == NULL)
 788                 {
 789                         target->type->write_phys_memory = default_write_phys_memory;
 790                 }
 791
 792                 if (target->type->mcr == NULL)
 793                 {
 794                         target->type->mcr = default_mcr;
 795                 }
 796
 797                 if (target->type->mrc == NULL)
 798                 {
 799                         target->type->mrc = default_mrc;
 800                 }
 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                 if (target->type->mmu == NULL)
 816                 {
 817                         target->type->mmu = default_mmu;
 818                 }
 819                 target = target->next;
 820         }
 821
 822         if (all_targets)
 823         {
 824                 if ((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
 825                         return retval;
 826                 if ((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
 827                         return retval;
 828         }
 829
 830         return ERROR_OK;
 831 }
 832
 833 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 834 {
 835         target_event_callback_t **callbacks_p = &target_event_callbacks;
 836
 837         if (callback == NULL)
 838         {
 839                 return ERROR_INVALID_ARGUMENTS;
 840         }
 841
 842         if (*callbacks_p)
 843         {
 844                 while ((*callbacks_p)->next)
 845                         callbacks_p = &((*callbacks_p)->next);
 846                 callbacks_p = &((*callbacks_p)->next);
 847         }
 848
 849         (*callbacks_p) = malloc(sizeof(target_event_callback_t));
 850         (*callbacks_p)->callback = callback;
 851         (*callbacks_p)->priv = priv;
 852         (*callbacks_p)->next = NULL;
 853
 854         return ERROR_OK;
 855 }
 856
 857 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
 858 {
 859         target_timer_callback_t **callbacks_p = &target_timer_callbacks;
 860         struct timeval now;
 861
 862         if (callback == NULL)
 863         {
 864                 return ERROR_INVALID_ARGUMENTS;
 865         }
 866
 867         if (*callbacks_p)
 868         {
 869                 while ((*callbacks_p)->next)
 870                         callbacks_p = &((*callbacks_p)->next);
 871                 callbacks_p = &((*callbacks_p)->next);
 872         }
 873
 874         (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
 875         (*callbacks_p)->callback = callback;
 876         (*callbacks_p)->periodic = periodic;
 877         (*callbacks_p)->time_ms = time_ms;
 878
 879         gettimeofday(&now, NULL);
 880         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 881         time_ms -= (time_ms % 1000);
 882         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
 883         if ((*callbacks_p)->when.tv_usec > 1000000)
 884         {
 885                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
 886                 (*callbacks_p)->when.tv_sec += 1;
 887         }
 888
 889         (*callbacks_p)->priv = priv;
 890         (*callbacks_p)->next = NULL;
 891
 892         return ERROR_OK;
 893 }
 894
 895 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 896 {
 897         target_event_callback_t **p = &target_event_callbacks;
 898         target_event_callback_t *c = target_event_callbacks;
 899
 900         if (callback == NULL)
 901         {
 902                 return ERROR_INVALID_ARGUMENTS;
 903         }
 904
 905         while (c)
 906         {
 907                 target_event_callback_t *next = c->next;
 908                 if ((c->callback == callback) && (c->priv == priv))
 909                 {
 910                         *p = next;
 911                         free(c);
 912                         return ERROR_OK;
 913                 }
 914                 else
 915                         p = &(c->next);
 916                 c = next;
 917         }
 918
 919         return ERROR_OK;
 920 }
 921
 922 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
 923 {
 924         target_timer_callback_t **p = &target_timer_callbacks;
 925         target_timer_callback_t *c = target_timer_callbacks;
 926
 927         if (callback == NULL)
 928         {
 929                 return ERROR_INVALID_ARGUMENTS;
 930         }
 931
 932         while (c)
 933         {
 934                 target_timer_callback_t *next = c->next;
 935                 if ((c->callback == callback) && (c->priv == priv))
 936                 {
 937                         *p = next;
 938                         free(c);
 939                         return ERROR_OK;
 940                 }
 941                 else
 942                         p = &(c->next);
 943                 c = next;
 944         }
 945
 946         return ERROR_OK;
 947 }
 948
 949 int target_call_event_callbacks(target_t *target, enum target_event event)
 950 {
 951         target_event_callback_t *callback = target_event_callbacks;
 952         target_event_callback_t *next_callback;
 953
 954         if (event == TARGET_EVENT_HALTED)
 955         {
 956                 /* execute early halted first */
 957                 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
 958         }
 959
 960         LOG_DEBUG("target event %i (%s)",
 961                           event,
 962                           Jim_Nvp_value2name_simple(nvp_target_event, event)->name);
 963
 964         target_handle_event(target, event);
 965
 966         while (callback)
 967         {
 968                 next_callback = callback->next;
 969                 callback->callback(target, event, callback->priv);
 970                 callback = next_callback;
 971         }
 972
 973         return ERROR_OK;
 974 }
 975
 976 static int target_timer_callback_periodic_restart(
 977                 target_timer_callback_t *cb, struct timeval *now)
 978 {
 979         int time_ms = cb->time_ms;
 980         cb->when.tv_usec = now->tv_usec + (time_ms % 1000) * 1000;
 981         time_ms -= (time_ms % 1000);
 982         cb->when.tv_sec = now->tv_sec + time_ms / 1000;
 983         if (cb->when.tv_usec > 1000000)
 984         {
 985                 cb->when.tv_usec = cb->when.tv_usec - 1000000;
 986                 cb->when.tv_sec += 1;
 987         }
 988         return ERROR_OK;
 989 }
 990
 991 static int target_call_timer_callback(target_timer_callback_t *cb,
 992                 struct timeval *now)
 993 {
 994         cb->callback(cb->priv);
 995
 996         if (cb->periodic)
 997                 return target_timer_callback_periodic_restart(cb, now);
 998
 999         return target_unregister_timer_callback(cb->callback, cb->priv);
1000 }
1001
1002 static int target_call_timer_callbacks_check_time(int checktime)
1003 {
1004         keep_alive();
1005
1006         struct timeval now;
1007         gettimeofday(&now, NULL);
1008
1009         target_timer_callback_t *callback = target_timer_callbacks;
1010         while (callback)
1011         {
1012                 // cleaning up may unregister and free this callback
1013                 target_timer_callback_t *next_callback = callback->next;
1014
1015                 bool call_it = callback->callback &&
1016                         ((!checktime && callback->periodic) ||
1017                           now.tv_sec > callback->when.tv_sec ||
1018                          (now.tv_sec == callback->when.tv_sec &&
1019                           now.tv_usec >= callback->when.tv_usec));
1020
1021                 if (call_it)
1022                 {
1023                         int retval = target_call_timer_callback(callback, &now);
1024                         if (retval != ERROR_OK)
1025                                 return retval;
1026                 }
1027
1028                 callback = next_callback;
1029         }
1030
1031         return ERROR_OK;
1032 }
1033
1034 int target_call_timer_callbacks(void)
1035 {
1036         return target_call_timer_callbacks_check_time(1);
1037 }
1038
1039 /* invoke periodic callbacks immediately */
1040 int target_call_timer_callbacks_now(void)
1041 {
1042         return target_call_timer_callbacks_check_time(0);
1043 }
1044
1045 int target_alloc_working_area(struct target_s *target, uint32_t size, working_area_t **area)
1046 {
1047         working_area_t *c = target->working_areas;
1048         working_area_t *new_wa = NULL;
1049
1050         /* Reevaluate working area address based on MMU state*/
1051         if (target->working_areas == NULL)
1052         {
1053                 int retval;
1054                 int enabled;
1055                 retval = target->type->mmu(target, &enabled);
1056                 if (retval != ERROR_OK)
1057                 {
1058                         return retval;
1059                 }
1060
1061                 if (enabled)
1062                 {
1063                         if (target->working_area_phys_spec)
1064                         {
1065                                 LOG_DEBUG("MMU disabled, using physical address for working memory 0x%08x", (unsigned)target->working_area_phys);
1066                                 target->working_area = target->working_area_phys;
1067                         } else
1068                         {
1069                                 LOG_ERROR("No working memory available. Specify -work-area-phys to target.");
1070                                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1071                         }
1072                 } else
1073                 {
1074                         if (target->working_area_virt_spec)
1075                         {
1076                                 LOG_DEBUG("MMU enabled, using virtual address for working memory 0x%08x", (unsigned)target->working_area_virt);
1077                                 target->working_area = target->working_area_virt;
1078                         } else
1079                         {
1080                                 LOG_ERROR("No working memory available. Specify -work-area-virt to target.");
1081                                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1082                         }
1083                 }
1084         }
1085
1086         /* only allocate multiples of 4 byte */
1087         if (size % 4)
1088         {
1089                 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes (0x%08x), padding", ((unsigned)(size)));
1090                 size = (size + 3) & (~3);
1091         }
1092
1093         /* see if there's already a matching working area */
1094         while (c)
1095         {
1096                 if ((c->free) && (c->size == size))
1097                 {
1098                         new_wa = c;
1099                         break;
1100                 }
1101                 c = c->next;
1102         }
1103
1104         /* if not, allocate a new one */
1105         if (!new_wa)
1106         {
1107                 working_area_t **p = &target->working_areas;
1108                 uint32_t first_free = target->working_area;
1109                 uint32_t free_size = target->working_area_size;
1110
1111                 c = target->working_areas;
1112                 while (c)
1113                 {
1114                         first_free += c->size;
1115                         free_size -= c->size;
1116                         p = &c->next;
1117                         c = c->next;
1118                 }
1119
1120                 if (free_size < size)
1121                 {
1122                         LOG_WARNING("not enough working area available(requested %u, free %u)",
1123                                     (unsigned)(size), (unsigned)(free_size));
1124                         return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1125                 }
1126
1127                 LOG_DEBUG("allocated new working area at address 0x%08x", (unsigned)first_free);
1128
1129                 new_wa = malloc(sizeof(working_area_t));
1130                 new_wa->next = NULL;
1131                 new_wa->size = size;
1132                 new_wa->address = first_free;
1133
1134                 if (target->backup_working_area)
1135                 {
1136                         int retval;
1137                         new_wa->backup = malloc(new_wa->size);
1138                         if ((retval = target_read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
1139                         {
1140                                 free(new_wa->backup);
1141                                 free(new_wa);
1142                                 return retval;
1143                         }
1144                 }
1145                 else
1146                 {
1147                         new_wa->backup = NULL;
1148                 }
1149
1150                 /* put new entry in list */
1151                 *p = new_wa;
1152         }
1153
1154         /* mark as used, and return the new (reused) area */
1155         new_wa->free = 0;
1156         *area = new_wa;
1157
1158         /* user pointer */
1159         new_wa->user = area;
1160
1161         return ERROR_OK;
1162 }
1163
1164 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
1165 {
1166         if (area->free)
1167                 return ERROR_OK;
1168
1169         if (restore && target->backup_working_area)
1170         {
1171                 int retval;
1172                 if ((retval = target_write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
1173                         return retval;
1174         }
1175
1176         area->free = 1;
1177
1178         /* mark user pointer invalid */
1179         *area->user = NULL;
1180         area->user = NULL;
1181
1182         return ERROR_OK;
1183 }
1184
1185 int target_free_working_area(struct target_s *target, working_area_t *area)
1186 {
1187         return target_free_working_area_restore(target, area, 1);
1188 }
1189
1190 /* free resources and restore memory, if restoring memory fails,
1191  * free up resources anyway
1192  */
1193 void target_free_all_working_areas_restore(struct target_s *target, int restore)
1194 {
1195         working_area_t *c = target->working_areas;
1196
1197         while (c)
1198         {
1199                 working_area_t *next = c->next;
1200                 target_free_working_area_restore(target, c, restore);
1201
1202                 if (c->backup)
1203                         free(c->backup);
1204
1205                 free(c);
1206
1207                 c = next;
1208         }
1209
1210         target->working_areas = NULL;
1211 }
1212
1213 void target_free_all_working_areas(struct target_s *target)
1214 {
1215         target_free_all_working_areas_restore(target, 1);
1216 }
1217
1218 int target_register_commands(struct command_context_s *cmd_ctx)
1219 {
1220
1221         register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, "change the current command line target (one parameter) or lists targets (with no parameter)");
1222
1223
1224
1225
1226         register_jim(cmd_ctx, "target", jim_target, "configure target");
1227
1228         return ERROR_OK;
1229 }
1230
1231 int target_arch_state(struct target_s *target)
1232 {
1233         int retval;
1234         if (target == NULL)
1235         {
1236                 LOG_USER("No target has been configured");
1237                 return ERROR_OK;
1238         }
1239
1240         LOG_USER("target state: %s", target_state_name( target ));
1241
1242         if (target->state != TARGET_HALTED)
1243                 return ERROR_OK;
1244
1245         retval = target->type->arch_state(target);
1246         return retval;
1247 }
1248
1249 /* Single aligned words are guaranteed to use 16 or 32 bit access
1250  * mode respectively, otherwise data is handled as quickly as
1251  * possible
1252  */
1253 int target_write_buffer(struct target_s *target, uint32_t address, uint32_t size, uint8_t *buffer)
1254 {
1255         int retval;
1256         LOG_DEBUG("writing buffer of %i byte at 0x%8.8x",
1257                   (int)size, (unsigned)address);
1258
1259         if (!target_was_examined(target))
1260         {
1261                 LOG_ERROR("Target not examined yet");
1262                 return ERROR_FAIL;
1263         }
1264
1265         if (size == 0) {
1266                 return ERROR_OK;
1267         }
1268
1269         if ((address + size - 1) < address)
1270         {
1271                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1272                 LOG_ERROR("address + size wrapped(0x%08x, 0x%08x)",
1273                                   (unsigned)address,
1274                                   (unsigned)size);
1275                 return ERROR_FAIL;
1276         }
1277
1278         if (((address % 2) == 0) && (size == 2))
1279         {
1280                 return target_write_memory(target, address, 2, 1, buffer);
1281         }
1282
1283         /* handle unaligned head bytes */
1284         if (address % 4)
1285         {
1286                 uint32_t unaligned = 4 - (address % 4);
1287
1288                 if (unaligned > size)
1289                         unaligned = size;
1290
1291                 if ((retval = target_write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1292                         return retval;
1293
1294                 buffer += unaligned;
1295                 address += unaligned;
1296                 size -= unaligned;
1297         }
1298
1299         /* handle aligned words */
1300         if (size >= 4)
1301         {
1302                 int aligned = size - (size % 4);
1303
1304                 /* use bulk writes above a certain limit. This may have to be changed */
1305                 if (aligned > 128)
1306                 {
1307                         if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1308                                 return retval;
1309                 }
1310                 else
1311                 {
1312                         if ((retval = target_write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1313                                 return retval;
1314                 }
1315
1316                 buffer += aligned;
1317                 address += aligned;
1318                 size -= aligned;
1319         }
1320
1321         /* handle tail writes of less than 4 bytes */
1322         if (size > 0)
1323         {
1324                 if ((retval = target_write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1325                         return retval;
1326         }
1327
1328         return ERROR_OK;
1329 }
1330
1331 /* Single aligned words are guaranteed to use 16 or 32 bit access
1332  * mode respectively, otherwise data is handled as quickly as
1333  * possible
1334  */
1335 int target_read_buffer(struct target_s *target, uint32_t address, uint32_t size, uint8_t *buffer)
1336 {
1337         int retval;
1338         LOG_DEBUG("reading buffer of %i byte at 0x%8.8x",
1339                           (int)size, (unsigned)address);
1340
1341         if (!target_was_examined(target))
1342         {
1343                 LOG_ERROR("Target not examined yet");
1344                 return ERROR_FAIL;
1345         }
1346
1347         if (size == 0) {
1348                 return ERROR_OK;
1349         }
1350
1351         if ((address + size - 1) < address)
1352         {
1353                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1354                 LOG_ERROR("address + size wrapped(0x%08" PRIx32 ", 0x%08" PRIx32 ")",
1355                                   address,
1356                                   size);
1357                 return ERROR_FAIL;
1358         }
1359
1360         if (((address % 2) == 0) && (size == 2))
1361         {
1362                 return target_read_memory(target, address, 2, 1, buffer);
1363         }
1364
1365         /* handle unaligned head bytes */
1366         if (address % 4)
1367         {
1368                 uint32_t unaligned = 4 - (address % 4);
1369
1370                 if (unaligned > size)
1371                         unaligned = size;
1372
1373                 if ((retval = target_read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1374                         return retval;
1375
1376                 buffer += unaligned;
1377                 address += unaligned;
1378                 size -= unaligned;
1379         }
1380
1381         /* handle aligned words */
1382         if (size >= 4)
1383         {
1384                 int aligned = size - (size % 4);
1385
1386                 if ((retval = target_read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1387                         return retval;
1388
1389                 buffer += aligned;
1390                 address += aligned;
1391                 size -= aligned;
1392         }
1393
1394         /*prevent byte access when possible (avoid AHB access limitations in some cases)*/
1395         if(size >=2)
1396         {
1397                 int aligned = size - (size%2);
1398                 retval = target_read_memory(target, address, 2, aligned / 2, buffer);
1399                 if (retval != ERROR_OK)
1400                         return retval;
1401
1402                 buffer += aligned;
1403                 address += aligned;
1404                 size -= aligned;
1405         }
1406         /* handle tail writes of less than 4 bytes */
1407         if (size > 0)
1408         {
1409                 if ((retval = target_read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1410                         return retval;
1411         }
1412
1413         return ERROR_OK;
1414 }
1415
1416 int target_checksum_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t* crc)
1417 {
1418         uint8_t *buffer;
1419         int retval;
1420         uint32_t i;
1421         uint32_t checksum = 0;
1422         if (!target_was_examined(target))
1423         {
1424                 LOG_ERROR("Target not examined yet");
1425                 return ERROR_FAIL;
1426         }
1427
1428         if ((retval = target->type->checksum_memory(target, address,
1429                 size, &checksum)) != ERROR_OK)
1430         {
1431                 buffer = malloc(size);
1432                 if (buffer == NULL)
1433                 {
1434                         LOG_ERROR("error allocating buffer for section (%d bytes)", (int)size);
1435                         return ERROR_INVALID_ARGUMENTS;
1436                 }
1437                 retval = target_read_buffer(target, address, size, buffer);
1438                 if (retval != ERROR_OK)
1439                 {
1440                         free(buffer);
1441                         return retval;
1442                 }
1443
1444                 /* convert to target endianess */
1445                 for (i = 0; i < (size/sizeof(uint32_t)); i++)
1446                 {
1447                         uint32_t target_data;
1448                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(uint32_t)]);
1449                         target_buffer_set_u32(target, &buffer[i*sizeof(uint32_t)], target_data);
1450                 }
1451
1452                 retval = image_calculate_checksum(buffer, size, &checksum);
1453                 free(buffer);
1454         }
1455
1456         *crc = checksum;
1457
1458         return retval;
1459 }
1460
1461 int target_blank_check_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t* blank)
1462 {
1463         int retval;
1464         if (!target_was_examined(target))
1465         {
1466                 LOG_ERROR("Target not examined yet");
1467                 return ERROR_FAIL;
1468         }
1469
1470         if (target->type->blank_check_memory == 0)
1471                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1472
1473         retval = target->type->blank_check_memory(target, address, size, blank);
1474
1475         return retval;
1476 }
1477
1478 int target_read_u32(struct target_s *target, uint32_t address, uint32_t *value)
1479 {
1480         uint8_t value_buf[4];
1481         if (!target_was_examined(target))
1482         {
1483                 LOG_ERROR("Target not examined yet");
1484                 return ERROR_FAIL;
1485         }
1486
1487         int retval = target_read_memory(target, address, 4, 1, value_buf);
1488
1489         if (retval == ERROR_OK)
1490         {
1491                 *value = target_buffer_get_u32(target, value_buf);
1492                 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
1493                                   address,
1494                                   *value);
1495         }
1496         else
1497         {
1498                 *value = 0x0;
1499                 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1500                                   address);
1501         }
1502
1503         return retval;
1504 }
1505
1506 int target_read_u16(struct target_s *target, uint32_t address, uint16_t *value)
1507 {
1508         uint8_t value_buf[2];
1509         if (!target_was_examined(target))
1510         {
1511                 LOG_ERROR("Target not examined yet");
1512                 return ERROR_FAIL;
1513         }
1514
1515         int retval = target_read_memory(target, address, 2, 1, value_buf);
1516
1517         if (retval == ERROR_OK)
1518         {
1519                 *value = target_buffer_get_u16(target, value_buf);
1520                 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%4.4x",
1521                                   address,
1522                                   *value);
1523         }
1524         else
1525         {
1526                 *value = 0x0;
1527                 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1528                                   address);
1529         }
1530
1531         return retval;
1532 }
1533
1534 int target_read_u8(struct target_s *target, uint32_t address, uint8_t *value)
1535 {
1536         int retval = target_read_memory(target, address, 1, 1, value);
1537         if (!target_was_examined(target))
1538         {
1539                 LOG_ERROR("Target not examined yet");
1540                 return ERROR_FAIL;
1541         }
1542
1543         if (retval == ERROR_OK)
1544         {
1545                 LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
1546                                   address,
1547                                   *value);
1548         }
1549         else
1550         {
1551                 *value = 0x0;
1552                 LOG_DEBUG("address: 0x%8.8" PRIx32 " failed",
1553                                   address);
1554         }
1555
1556         return retval;
1557 }
1558
1559 int target_write_u32(struct target_s *target, uint32_t address, uint32_t value)
1560 {
1561         int retval;
1562         uint8_t value_buf[4];
1563         if (!target_was_examined(target))
1564         {
1565                 LOG_ERROR("Target not examined yet");
1566                 return ERROR_FAIL;
1567         }
1568
1569         LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx32 "",
1570                           address,
1571                           value);
1572
1573         target_buffer_set_u32(target, value_buf, value);
1574         if ((retval = target_write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1575         {
1576                 LOG_DEBUG("failed: %i", retval);
1577         }
1578
1579         return retval;
1580 }
1581
1582 int target_write_u16(struct target_s *target, uint32_t address, uint16_t value)
1583 {
1584         int retval;
1585         uint8_t value_buf[2];
1586         if (!target_was_examined(target))
1587         {
1588                 LOG_ERROR("Target not examined yet");
1589                 return ERROR_FAIL;
1590         }
1591
1592         LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8x",
1593                           address,
1594                           value);
1595
1596         target_buffer_set_u16(target, value_buf, value);
1597         if ((retval = target_write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1598         {
1599                 LOG_DEBUG("failed: %i", retval);
1600         }
1601
1602         return retval;
1603 }
1604
1605 int target_write_u8(struct target_s *target, uint32_t address, uint8_t value)
1606 {
1607         int retval;
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%2.2x",
1615                           address, value);
1616
1617         if ((retval = target_write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1618         {
1619                 LOG_DEBUG("failed: %i", retval);
1620         }
1621
1622         return retval;
1623 }
1624
1625 int target_register_user_commands(struct command_context_s *cmd_ctx)
1626 {
1627         int retval = ERROR_OK;
1628
1629
1630         /* script procedures */
1631         register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "profiling samples the CPU PC");
1632         register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array, "read memory and return as a TCL array for script processing <ARRAYNAME> <WIDTH = 32/16/8> <ADDRESS> <COUNT>");
1633         register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem, "convert a TCL array to memory locations and write the values  <ARRAYNAME> <WIDTH = 32/16/8> <ADDRESS> <COUNT>");
1634
1635         register_jim(cmd_ctx, "mrc", jim_mcrmrc, "read coprocessor <cpnum> <op1> <op2> <CRn> <CRm>");
1636         register_jim(cmd_ctx, "mcr", jim_mcrmrc, "write coprocessor <cpnum> <op1> <op2> <CRn> <CRm> <value>");
1637
1638         register_command(cmd_ctx, NULL, "fast_load_image", handle_fast_load_image_command, COMMAND_ANY,
1639                         "same args as load_image, image stored in memory - mainly for profiling purposes");
1640
1641         register_command(cmd_ctx, NULL, "fast_load", handle_fast_load_command, COMMAND_ANY,
1642                         "loads active fast load image to current target - mainly for profiling purposes");
1643
1644
1645         register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "translate a virtual address into a physical address");
1646         register_command(cmd_ctx,  NULL, "reg", handle_reg_command, COMMAND_EXEC, "display or set a register");
1647         register_command(cmd_ctx,  NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1648         register_command(cmd_ctx,  NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1649         register_command(cmd_ctx,  NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1650         register_command(cmd_ctx,  NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1651         register_command(cmd_ctx,  NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1652         register_command(cmd_ctx,  NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run | halt | init] - default is run");
1653         register_command(cmd_ctx,  NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1654
1655         register_command(cmd_ctx,  NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words [phys] <addr> [count]");
1656         register_command(cmd_ctx,  NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words [phys] <addr> [count]");
1657         register_command(cmd_ctx,  NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes [phys] <addr> [count]");
1658
1659         register_command(cmd_ctx,  NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word [phys]  <addr> <value> [count]");
1660         register_command(cmd_ctx,  NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word [phys]  <addr> <value> [count]");
1661         register_command(cmd_ctx,  NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte [phys] <addr> <value> [count]");
1662
1663         register_command(cmd_ctx,  NULL, "bp",
1664                         handle_bp_command, COMMAND_EXEC,
1665                         "list or set breakpoint [<address> <length> [hw]]");
1666         register_command(cmd_ctx,  NULL, "rbp",
1667                         handle_rbp_command, COMMAND_EXEC,
1668                         "remove breakpoint <address>");
1669         register_command(cmd_ctx,  NULL, "wp",
1670                         handle_wp_command, COMMAND_EXEC,
1671                         "list or set watchpoint "
1672                                 "[<address> <length> <r/w/a> [value] [mask]]");
1673         register_command(cmd_ctx,  NULL, "rwp",
1674                         handle_rwp_command, COMMAND_EXEC,
1675                         "remove watchpoint <address>");
1676
1677         register_command(cmd_ctx,  NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19'] [min_address] [max_length]");
1678         register_command(cmd_ctx,  NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1679         register_command(cmd_ctx,  NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1680         register_command(cmd_ctx,  NULL, "test_image", handle_test_image_command, COMMAND_EXEC, "test_image <file> [offset] [type]");
1681
1682         if ((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
1683                 return retval;
1684         if ((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
1685                 return retval;
1686
1687         return retval;
1688 }
1689
1690 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1691 {
1692         target_t *target = all_targets;
1693
1694         if (argc == 1)
1695         {
1696                 target = get_target(args[0]);
1697                 if (target == NULL) {
1698                         command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0]);
1699                         goto DumpTargets;
1700                 }
1701                 if (!target->tap->enabled) {
1702                         command_print(cmd_ctx,"Target: TAP %s is disabled, "
1703                                         "can't be the current target\n",
1704                                         target->tap->dotted_name);
1705                         return ERROR_FAIL;
1706                 }
1707
1708                 cmd_ctx->current_target = target->target_number;
1709                 return ERROR_OK;
1710         }
1711 DumpTargets:
1712
1713         target = all_targets;
1714         command_print(cmd_ctx, "    TargetName         Type       Endian TapName            State       ");
1715         command_print(cmd_ctx, "--  ------------------ ---------- ------ ------------------ ------------");
1716         while (target)
1717         {
1718                 const char *state;
1719                 char marker = ' ';
1720
1721                 if (target->tap->enabled)
1722                         state = target_state_name( target );
1723                 else
1724                         state = "tap-disabled";
1725
1726                 if (cmd_ctx->current_target == target->target_number)
1727                         marker = '*';
1728
1729                 /* keep columns lined up to match the headers above */
1730                 command_print(cmd_ctx, "%2d%c %-18s %-10s %-6s %-18s %s",
1731                                           target->target_number,
1732                                           marker,
1733                                           target->cmd_name,
1734                                           target_get_name(target),
1735                                           Jim_Nvp_value2name_simple(nvp_target_endian,
1736                                                                 target->endianness)->name,
1737                                           target->tap->dotted_name,
1738                                           state);
1739                 target = target->next;
1740         }
1741
1742         return ERROR_OK;
1743 }
1744
1745 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1746
1747 static int powerDropout;
1748 static int srstAsserted;
1749
1750 static int runPowerRestore;
1751 static int runPowerDropout;
1752 static int runSrstAsserted;
1753 static int runSrstDeasserted;
1754
1755 static int sense_handler(void)
1756 {
1757         static int prevSrstAsserted = 0;
1758         static int prevPowerdropout = 0;
1759
1760         int retval;
1761         if ((retval = jtag_power_dropout(&powerDropout)) != ERROR_OK)
1762                 return retval;
1763
1764         int powerRestored;
1765         powerRestored = prevPowerdropout && !powerDropout;
1766         if (powerRestored)
1767         {
1768                 runPowerRestore = 1;
1769         }
1770
1771         long long current = timeval_ms();
1772         static long long lastPower = 0;
1773         int waitMore = lastPower + 2000 > current;
1774         if (powerDropout && !waitMore)
1775         {
1776                 runPowerDropout = 1;
1777                 lastPower = current;
1778         }
1779
1780         if ((retval = jtag_srst_asserted(&srstAsserted)) != ERROR_OK)
1781                 return retval;
1782
1783         int srstDeasserted;
1784         srstDeasserted = prevSrstAsserted && !srstAsserted;
1785
1786         static long long lastSrst = 0;
1787         waitMore = lastSrst + 2000 > current;
1788         if (srstDeasserted && !waitMore)
1789         {
1790                 runSrstDeasserted = 1;
1791                 lastSrst = current;
1792         }
1793
1794         if (!prevSrstAsserted && srstAsserted)
1795         {
1796                 runSrstAsserted = 1;
1797         }
1798
1799         prevSrstAsserted = srstAsserted;
1800         prevPowerdropout = powerDropout;
1801
1802         if (srstDeasserted || powerRestored)
1803         {
1804                 /* Other than logging the event we can't do anything here.
1805                  * Issuing a reset is a particularly bad idea as we might
1806                  * be inside a reset already.
1807                  */
1808         }
1809
1810         return ERROR_OK;
1811 }
1812
1813 static void target_call_event_callbacks_all(enum target_event e) {
1814         target_t *target;
1815         target = all_targets;
1816         while (target) {
1817                 target_call_event_callbacks(target, e);
1818                 target = target->next;
1819         }
1820 }
1821
1822 /* process target state changes */
1823 int handle_target(void *priv)
1824 {
1825         int retval = ERROR_OK;
1826
1827         /* we do not want to recurse here... */
1828         static int recursive = 0;
1829         if (! recursive)
1830         {
1831                 recursive = 1;
1832                 sense_handler();
1833                 /* danger! running these procedures can trigger srst assertions and power dropouts.
1834                  * We need to avoid an infinite loop/recursion here and we do that by
1835                  * clearing the flags after running these events.
1836                  */
1837                 int did_something = 0;
1838                 if (runSrstAsserted)
1839                 {
1840                         target_call_event_callbacks_all(TARGET_EVENT_GDB_HALT);
1841                         Jim_Eval(interp, "srst_asserted");
1842                         did_something = 1;
1843                 }
1844                 if (runSrstDeasserted)
1845                 {
1846                         Jim_Eval(interp, "srst_deasserted");
1847                         did_something = 1;
1848                 }
1849                 if (runPowerDropout)
1850                 {
1851                         target_call_event_callbacks_all(TARGET_EVENT_GDB_HALT);
1852                         Jim_Eval(interp, "power_dropout");
1853                         did_something = 1;
1854                 }
1855                 if (runPowerRestore)
1856                 {
1857                         Jim_Eval(interp, "power_restore");
1858                         did_something = 1;
1859                 }
1860
1861                 if (did_something)
1862                 {
1863                         /* clear detect flags */
1864                         sense_handler();
1865                 }
1866
1867                 /* clear action flags */
1868
1869                 runSrstAsserted = 0;
1870                 runSrstDeasserted = 0;
1871                 runPowerRestore = 0;
1872                 runPowerDropout = 0;
1873
1874                 recursive = 0;
1875         }
1876
1877         /* Poll targets for state changes unless that's globally disabled.
1878          * Skip targets that are currently disabled.
1879          */
1880         for (target_t *target = all_targets;
1881                         is_jtag_poll_safe() && target;
1882                         target = target->next)
1883         {
1884                 if (!target->tap->enabled)
1885                         continue;
1886
1887                 /* only poll target if we've got power and srst isn't asserted */
1888                 if (!powerDropout && !srstAsserted)
1889                 {
1890                         /* polling may fail silently until the target has been examined */
1891                         if ((retval = target_poll(target)) != ERROR_OK)
1892                         {
1893                                 target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
1894                                 return retval;
1895                         }
1896                 }
1897         }
1898
1899         return retval;
1900 }
1901
1902 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1903 {
1904         target_t *target;
1905         reg_t *reg = NULL;
1906         int count = 0;
1907         char *value;
1908
1909         LOG_DEBUG("-");
1910
1911         target = get_current_target(cmd_ctx);
1912
1913         /* list all available registers for the current target */
1914         if (argc == 0)
1915         {
1916                 reg_cache_t *cache = target->reg_cache;
1917
1918                 count = 0;
1919                 while (cache)
1920                 {
1921                         int i;
1922
1923                         command_print(cmd_ctx, "===== %s", cache->name);
1924
1925                         for (i = 0, reg = cache->reg_list;
1926                                         i < cache->num_regs;
1927                                         i++, reg++, count++)
1928                         {
1929                                 /* only print cached values if they are valid */
1930                                 if (reg->valid) {
1931                                         value = buf_to_str(reg->value,
1932                                                         reg->size, 16);
1933                                         command_print(cmd_ctx,
1934                                                         "(%i) %s (/%" PRIu32 "): 0x%s%s",
1935                                                         count, reg->name,
1936                                                         reg->size, value,
1937                                                         reg->dirty
1938                                                                 ? " (dirty)"
1939                                                                 : "");
1940                                         free(value);
1941                                 } else {
1942                                         command_print(cmd_ctx, "(%i) %s (/%" PRIu32 ")",
1943                                                           count, reg->name,
1944                                                           reg->size) ;
1945                                 }
1946                         }
1947                         cache = cache->next;
1948                 }
1949
1950                 return ERROR_OK;
1951         }
1952
1953         /* access a single register by its ordinal number */
1954         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1955         {
1956                 unsigned num;
1957                 int retval = parse_uint(args[0], &num);
1958                 if (ERROR_OK != retval)
1959                         return ERROR_COMMAND_SYNTAX_ERROR;
1960
1961                 reg_cache_t *cache = target->reg_cache;
1962                 count = 0;
1963                 while (cache)
1964                 {
1965                         int i;
1966                         for (i = 0; i < cache->num_regs; i++)
1967                         {
1968                                 if (count++ == (int)num)
1969                                 {
1970                                         reg = &cache->reg_list[i];
1971                                         break;
1972                                 }
1973                         }
1974                         if (reg)
1975                                 break;
1976                         cache = cache->next;
1977                 }
1978
1979                 if (!reg)
1980                 {
1981                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1982                         return ERROR_OK;
1983                 }
1984         } else /* access a single register by its name */
1985         {
1986                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1987
1988                 if (!reg)
1989                 {
1990                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1991                         return ERROR_OK;
1992                 }
1993         }
1994
1995         /* display a register */
1996         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1997         {
1998                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1999                         reg->valid = 0;
2000
2001                 if (reg->valid == 0)
2002                 {
2003                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
2004                         arch_type->get(reg);
2005                 }
2006                 value = buf_to_str(reg->value, reg->size, 16);
2007                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
2008                 free(value);
2009                 return ERROR_OK;
2010         }
2011
2012         /* set register value */
2013         if (argc == 2)
2014         {
2015                 uint8_t *buf = malloc(CEIL(reg->size, 8));
2016                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
2017
2018                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
2019                 arch_type->set(reg, buf);
2020
2021                 value = buf_to_str(reg->value, reg->size, 16);
2022                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, (int)(reg->size), value);
2023                 free(value);
2024
2025                 free(buf);
2026
2027                 return ERROR_OK;
2028         }
2029
2030         command_print(cmd_ctx, "usage: reg <#|name> [value]");
2031
2032         return ERROR_OK;
2033 }
2034
2035 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2036 {
2037         int retval = ERROR_OK;
2038         target_t *target = get_current_target(cmd_ctx);
2039
2040         if (argc == 0)
2041         {
2042                 command_print(cmd_ctx, "background polling: %s",
2043                                 jtag_poll_get_enabled() ? "on" : "off");
2044                 command_print(cmd_ctx, "TAP: %s (%s)",
2045                                 target->tap->dotted_name,
2046                                 target->tap->enabled ? "enabled" : "disabled");
2047                 if (!target->tap->enabled)
2048                         return ERROR_OK;
2049                 if ((retval = target_poll(target)) != ERROR_OK)
2050                         return retval;
2051                 if ((retval = target_arch_state(target)) != ERROR_OK)
2052                         return retval;
2053
2054         }
2055         else if (argc == 1)
2056         {
2057                 if (strcmp(args[0], "on") == 0)
2058                 {
2059                         jtag_poll_set_enabled(true);
2060                 }
2061                 else if (strcmp(args[0], "off") == 0)
2062                 {
2063                         jtag_poll_set_enabled(false);
2064                 }
2065                 else
2066                 {
2067                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
2068                 }
2069         } else
2070         {
2071                 return ERROR_COMMAND_SYNTAX_ERROR;
2072         }
2073
2074         return retval;
2075 }
2076
2077 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2078 {
2079         if (argc > 1)
2080                 return ERROR_COMMAND_SYNTAX_ERROR;
2081
2082         unsigned ms = 5000;
2083         if (1 == argc)
2084         {
2085                 int retval = parse_uint(args[0], &ms);
2086                 if (ERROR_OK != retval)
2087                 {
2088                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
2089                         return ERROR_COMMAND_SYNTAX_ERROR;
2090                 }
2091                 // convert seconds (given) to milliseconds (needed)
2092                 ms *= 1000;
2093         }
2094
2095         target_t *target = get_current_target(cmd_ctx);
2096         return target_wait_state(target, TARGET_HALTED, ms);
2097 }
2098
2099 /* wait for target state to change. The trick here is to have a low
2100  * latency for short waits and not to suck up all the CPU time
2101  * on longer waits.
2102  *
2103  * After 500ms, keep_alive() is invoked
2104  */
2105 int target_wait_state(target_t *target, enum target_state state, int ms)
2106 {
2107         int retval;
2108         long long then = 0, cur;
2109         int once = 1;
2110
2111         for (;;)
2112         {
2113                 if ((retval = target_poll(target)) != ERROR_OK)
2114                         return retval;
2115                 if (target->state == state)
2116                 {
2117                         break;
2118                 }
2119                 cur = timeval_ms();
2120                 if (once)
2121                 {
2122                         once = 0;
2123                         then = timeval_ms();
2124                         LOG_DEBUG("waiting for target %s...",
2125                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
2126                 }
2127
2128                 if (cur-then > 500)
2129                 {
2130                         keep_alive();
2131                 }
2132
2133                 if ((cur-then) > ms)
2134                 {
2135                         LOG_ERROR("timed out while waiting for target %s",
2136                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
2137                         return ERROR_FAIL;
2138                 }
2139         }
2140
2141         return ERROR_OK;
2142 }
2143
2144 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2145 {
2146         LOG_DEBUG("-");
2147
2148         target_t *target = get_current_target(cmd_ctx);
2149         int retval = target_halt(target);
2150         if (ERROR_OK != retval)
2151                 return retval;
2152
2153         if (argc == 1)
2154         {
2155                 unsigned wait;
2156                 retval = parse_uint(args[0], &wait);
2157                 if (ERROR_OK != retval)
2158                         return ERROR_COMMAND_SYNTAX_ERROR;
2159                 if (!wait)
2160                         return ERROR_OK;
2161         }
2162
2163         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
2164 }
2165
2166 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2167 {
2168         target_t *target = get_current_target(cmd_ctx);
2169
2170         LOG_USER("requesting target halt and executing a soft reset");
2171
2172         target->type->soft_reset_halt(target);
2173
2174         return ERROR_OK;
2175 }
2176
2177 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2178 {
2179         if (argc > 1)
2180                 return ERROR_COMMAND_SYNTAX_ERROR;
2181
2182         enum target_reset_mode reset_mode = RESET_RUN;
2183         if (argc == 1)
2184         {
2185                 const Jim_Nvp *n;
2186                 n = Jim_Nvp_name2value_simple(nvp_reset_modes, args[0]);
2187                 if ((n->name == NULL) || (n->value == RESET_UNKNOWN)) {
2188                         return ERROR_COMMAND_SYNTAX_ERROR;
2189                 }
2190                 reset_mode = n->value;
2191         }
2192
2193         /* reset *all* targets */
2194         return target_process_reset(cmd_ctx, reset_mode);
2195 }
2196
2197
2198 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2199 {
2200         int current = 1;
2201         if (argc > 1)
2202                 return ERROR_COMMAND_SYNTAX_ERROR;
2203
2204         target_t *target = get_current_target(cmd_ctx);
2205         target_handle_event(target, TARGET_EVENT_OLD_pre_resume);
2206
2207         /* with no args, resume from current pc, addr = 0,
2208          * with one arguments, addr = args[0],
2209          * handle breakpoints, not debugging */
2210         uint32_t addr = 0;
2211         if (argc == 1)
2212         {
2213                 int retval = parse_u32(args[0], &addr);
2214                 if (ERROR_OK != retval)
2215                         return retval;
2216                 current = 0;
2217         }
2218
2219         return target_resume(target, current, addr, 1, 0);
2220 }
2221
2222 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2223 {
2224         if (argc > 1)
2225                 return ERROR_COMMAND_SYNTAX_ERROR;
2226
2227         LOG_DEBUG("-");
2228
2229         /* with no args, step from current pc, addr = 0,
2230          * with one argument addr = args[0],
2231          * handle breakpoints, debugging */
2232         uint32_t addr = 0;
2233         int current_pc = 1;
2234         if (argc == 1)
2235         {
2236                 int retval = parse_u32(args[0], &addr);
2237                 if (ERROR_OK != retval)
2238                         return retval;
2239                 current_pc = 0;
2240         }
2241
2242         target_t *target = get_current_target(cmd_ctx);
2243
2244         return target->type->step(target, current_pc, addr, 1);
2245 }
2246
2247 static void handle_md_output(struct command_context_s *cmd_ctx,
2248                 struct target_s *target, uint32_t address, unsigned size,
2249                 unsigned count, const uint8_t *buffer)
2250 {
2251         const unsigned line_bytecnt = 32;
2252         unsigned line_modulo = line_bytecnt / size;
2253
2254         char output[line_bytecnt * 4 + 1];
2255         unsigned output_len = 0;
2256
2257         const char *value_fmt;
2258         switch (size) {
2259         case 4: value_fmt = "%8.8x "; break;
2260         case 2: value_fmt = "%4.2x "; break;
2261         case 1: value_fmt = "%2.2x "; break;
2262         default:
2263                 LOG_ERROR("invalid memory read size: %u", size);
2264                 exit(-1);
2265         }
2266
2267         for (unsigned i = 0; i < count; i++)
2268         {
2269                 if (i % line_modulo == 0)
2270                 {
2271                         output_len += snprintf(output + output_len,
2272                                         sizeof(output) - output_len,
2273                                         "0x%8.8x: ",
2274                                         (unsigned)(address + (i*size)));
2275                 }
2276
2277                 uint32_t value = 0;
2278                 const uint8_t *value_ptr = buffer + i * size;
2279                 switch (size) {
2280                 case 4: value = target_buffer_get_u32(target, value_ptr); break;
2281                 case 2: value = target_buffer_get_u16(target, value_ptr); break;
2282                 case 1: value = *value_ptr;
2283                 }
2284                 output_len += snprintf(output + output_len,
2285                                 sizeof(output) - output_len,
2286                                 value_fmt, value);
2287
2288                 if ((i % line_modulo == line_modulo - 1) || (i == count - 1))
2289                 {
2290                         command_print(cmd_ctx, "%s", output);
2291                         output_len = 0;
2292                 }
2293         }
2294 }
2295
2296 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2297 {
2298         if (argc < 1)
2299                 return ERROR_COMMAND_SYNTAX_ERROR;
2300
2301         unsigned size = 0;
2302         switch (cmd[2]) {
2303         case 'w': size = 4; break;
2304         case 'h': size = 2; break;
2305         case 'b': size = 1; break;
2306         default: return ERROR_COMMAND_SYNTAX_ERROR;
2307         }
2308
2309         bool physical=strcmp(args[0], "phys")==0;
2310         int (*fn)(struct target_s *target,
2311                         uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
2312         if (physical)
2313         {
2314                 argc--;
2315                 args++;
2316                 fn=target_read_phys_memory;
2317         } else
2318         {
2319                 fn=target_read_memory;
2320         }
2321         if ((argc < 1) || (argc > 2))
2322         {
2323                 return ERROR_COMMAND_SYNTAX_ERROR;
2324         }
2325         uint32_t address;
2326         int retval = parse_u32(args[0], &address);
2327         if (ERROR_OK != retval)
2328                 return retval;
2329
2330         unsigned count = 1;
2331         if (argc == 2)
2332         {
2333                 retval = parse_uint(args[1], &count);
2334                 if (ERROR_OK != retval)
2335                         return retval;
2336         }
2337
2338         uint8_t *buffer = calloc(count, size);
2339
2340         target_t *target = get_current_target(cmd_ctx);
2341         retval = fn(target, address, size, count, buffer);
2342         if (ERROR_OK == retval)
2343                 handle_md_output(cmd_ctx, target, address, size, count, buffer);
2344
2345         free(buffer);
2346
2347         return retval;
2348 }
2349
2350 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2351 {
2352         if (argc < 2)
2353         {
2354                 return ERROR_COMMAND_SYNTAX_ERROR;
2355         }
2356         bool physical=strcmp(args[0], "phys")==0;
2357         int (*fn)(struct target_s *target,
2358                         uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
2359         if (physical)
2360         {
2361                 argc--;
2362                 args++;
2363                 fn=target_write_phys_memory;
2364         } else
2365         {
2366                 fn=target_write_memory;
2367         }
2368         if ((argc < 2) || (argc > 3))
2369                 return ERROR_COMMAND_SYNTAX_ERROR;
2370
2371         uint32_t address;
2372         int retval = parse_u32(args[0], &address);
2373         if (ERROR_OK != retval)
2374                 return retval;
2375
2376         uint32_t value;
2377         retval = parse_u32(args[1], &value);
2378         if (ERROR_OK != retval)
2379                 return retval;
2380
2381         unsigned count = 1;
2382         if (argc == 3)
2383         {
2384                 retval = parse_uint(args[2], &count);
2385                 if (ERROR_OK != retval)
2386                         return retval;
2387         }
2388
2389         target_t *target = get_current_target(cmd_ctx);
2390         unsigned wordsize;
2391         uint8_t value_buf[4];
2392         switch (cmd[2])
2393         {
2394                 case 'w':
2395                         wordsize = 4;
2396                         target_buffer_set_u32(target, value_buf, value);
2397                         break;
2398                 case 'h':
2399                         wordsize = 2;
2400                         target_buffer_set_u16(target, value_buf, value);
2401                         break;
2402                 case 'b':
2403                         wordsize = 1;
2404                         value_buf[0] = value;
2405                         break;
2406                 default:
2407                         return ERROR_COMMAND_SYNTAX_ERROR;
2408         }
2409         for (unsigned i = 0; i < count; i++)
2410         {
2411                 retval = fn(target,
2412                                 address + i * wordsize, wordsize, 1, value_buf);
2413                 if (ERROR_OK != retval)
2414                         return retval;
2415                 keep_alive();
2416         }
2417
2418         return ERROR_OK;
2419
2420 }
2421
2422 static int parse_load_image_command_args(char **args, int argc,
2423                 image_t *image, uint32_t *min_address, uint32_t *max_address)
2424 {
2425         if (argc < 1 || argc > 5)
2426                 return ERROR_COMMAND_SYNTAX_ERROR;
2427
2428         /* a base address isn't always necessary,
2429          * default to 0x0 (i.e. don't relocate) */
2430         if (argc >= 2)
2431         {
2432                 uint32_t addr;
2433                 int retval = parse_u32(args[1], &addr);
2434                 if (ERROR_OK != retval)
2435                         return ERROR_COMMAND_SYNTAX_ERROR;
2436                 image->base_address = addr;
2437                 image->base_address_set = 1;
2438         }
2439         else
2440                 image->base_address_set = 0;
2441
2442         image->start_address_set = 0;
2443
2444         if (argc >= 4)
2445         {
2446                 int retval = parse_u32(args[3], min_address);
2447                 if (ERROR_OK != retval)
2448                         return ERROR_COMMAND_SYNTAX_ERROR;
2449         }
2450         if (argc == 5)
2451         {
2452                 int retval = parse_u32(args[4], max_address);
2453                 if (ERROR_OK != retval)
2454                         return ERROR_COMMAND_SYNTAX_ERROR;
2455                 // use size (given) to find max (required)
2456                 *max_address += *min_address;
2457         }
2458
2459         if (*min_address > *max_address)
2460                 return ERROR_COMMAND_SYNTAX_ERROR;
2461
2462         return ERROR_OK;
2463 }
2464
2465 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2466 {
2467         uint8_t *buffer;
2468         uint32_t buf_cnt;
2469         uint32_t image_size;
2470         uint32_t min_address = 0;
2471         uint32_t max_address = 0xffffffff;
2472         int i;
2473         int retvaltemp;
2474
2475         image_t image;
2476
2477         duration_t duration;
2478         char *duration_text;
2479
2480         int retval = parse_load_image_command_args(args, argc,
2481                         &image, &min_address, &max_address);
2482         if (ERROR_OK != retval)
2483                 return retval;
2484
2485         target_t *target = get_current_target(cmd_ctx);
2486         duration_start_measure(&duration);
2487
2488         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2489         {
2490                 return ERROR_OK;
2491         }
2492
2493         image_size = 0x0;
2494         retval = ERROR_OK;
2495         for (i = 0; i < image.num_sections; i++)
2496         {
2497                 buffer = malloc(image.sections[i].size);
2498                 if (buffer == NULL)
2499                 {
2500                         command_print(cmd_ctx,
2501                                                   "error allocating buffer for section (%d bytes)",
2502                                                   (int)(image.sections[i].size));
2503                         break;
2504                 }
2505
2506                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2507                 {
2508                         free(buffer);
2509                         break;
2510                 }
2511
2512                 uint32_t offset = 0;
2513                 uint32_t length = buf_cnt;
2514
2515                 /* DANGER!!! beware of unsigned comparision here!!! */
2516
2517                 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
2518                                 (image.sections[i].base_address < max_address))
2519                 {
2520                         if (image.sections[i].base_address < min_address)
2521                         {
2522                                 /* clip addresses below */
2523                                 offset += min_address-image.sections[i].base_address;
2524                                 length -= offset;
2525                         }
2526
2527                         if (image.sections[i].base_address + buf_cnt > max_address)
2528                         {
2529                                 length -= (image.sections[i].base_address + buf_cnt)-max_address;
2530                         }
2531
2532                         if ((retval = target_write_buffer(target, image.sections[i].base_address + offset, length, buffer + offset)) != ERROR_OK)
2533                         {
2534                                 free(buffer);
2535                                 break;
2536                         }
2537                         image_size += length;
2538                         command_print(cmd_ctx, "%u bytes written at address 0x%8.8" PRIx32 "",
2539                                                   (unsigned int)length,
2540                                                   image.sections[i].base_address + offset);
2541                 }
2542
2543                 free(buffer);
2544         }
2545
2546         if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2547         {
2548                 image_close(&image);
2549                 return retvaltemp;
2550         }
2551
2552         if (retval == ERROR_OK)
2553         {
2554                 command_print(cmd_ctx, "downloaded %u byte in %s",
2555                                           (unsigned int)image_size,
2556                                           duration_text);
2557         }
2558         free(duration_text);
2559
2560         image_close(&image);
2561
2562         return retval;
2563
2564 }
2565
2566 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2567 {
2568         fileio_t fileio;
2569
2570         uint8_t buffer[560];
2571         int retvaltemp;
2572
2573         duration_t duration;
2574         char *duration_text;
2575
2576         target_t *target = get_current_target(cmd_ctx);
2577
2578         if (argc != 3)
2579         {
2580                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2581                 return ERROR_OK;
2582         }
2583
2584         uint32_t address;
2585         int retval = parse_u32(args[1], &address);
2586         if (ERROR_OK != retval)
2587                 return retval;
2588
2589         uint32_t size;
2590         retval = parse_u32(args[2], &size);
2591         if (ERROR_OK != retval)
2592                 return retval;
2593
2594         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2595         {
2596                 return ERROR_OK;
2597         }
2598
2599         duration_start_measure(&duration);
2600
2601         while (size > 0)
2602         {
2603                 uint32_t size_written;
2604                 uint32_t this_run_size = (size > 560) ? 560 : size;
2605
2606                 retval = target_read_buffer(target, address, this_run_size, buffer);
2607                 if (retval != ERROR_OK)
2608                 {
2609                         break;
2610                 }
2611
2612                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2613                 if (retval != ERROR_OK)
2614                 {
2615                         break;
2616                 }
2617
2618                 size -= this_run_size;
2619                 address += this_run_size;
2620         }
2621
2622         if ((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2623                 return retvaltemp;
2624
2625         if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2626                 return retvaltemp;
2627
2628         if (retval == ERROR_OK)
2629         {
2630                 command_print(cmd_ctx, "dumped %lld byte in %s",
2631                                 fileio.size, duration_text);
2632                 free(duration_text);
2633         }
2634
2635         return retval;
2636 }
2637
2638 static int handle_verify_image_command_internal(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, int verify)
2639 {
2640         uint8_t *buffer;
2641         uint32_t buf_cnt;
2642         uint32_t image_size;
2643         int i;
2644         int retval, retvaltemp;
2645         uint32_t checksum = 0;
2646         uint32_t mem_checksum = 0;
2647
2648         image_t image;
2649
2650         duration_t duration;
2651         char *duration_text;
2652
2653         target_t *target = get_current_target(cmd_ctx);
2654
2655         if (argc < 1)
2656         {
2657                 return ERROR_COMMAND_SYNTAX_ERROR;
2658         }
2659
2660         if (!target)
2661         {
2662                 LOG_ERROR("no target selected");
2663                 return ERROR_FAIL;
2664         }
2665
2666         duration_start_measure(&duration);
2667
2668         if (argc >= 2)
2669         {
2670                 uint32_t addr;
2671                 retval = parse_u32(args[1], &addr);
2672                 if (ERROR_OK != retval)
2673                         return ERROR_COMMAND_SYNTAX_ERROR;
2674                 image.base_address = addr;
2675                 image.base_address_set = 1;
2676         }
2677         else
2678         {
2679                 image.base_address_set = 0;
2680                 image.base_address = 0x0;
2681         }
2682
2683         image.start_address_set = 0;
2684
2685         if ((retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2686         {
2687                 return retval;
2688         }
2689
2690         image_size = 0x0;
2691         retval = ERROR_OK;
2692         for (i = 0; i < image.num_sections; i++)
2693         {
2694                 buffer = malloc(image.sections[i].size);
2695                 if (buffer == NULL)
2696                 {
2697                         command_print(cmd_ctx,
2698                                                   "error allocating buffer for section (%d bytes)",
2699                                                   (int)(image.sections[i].size));
2700                         break;
2701                 }
2702                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2703                 {
2704                         free(buffer);
2705                         break;
2706                 }
2707
2708                 if (verify)
2709                 {
2710                         /* calculate checksum of image */
2711                         image_calculate_checksum(buffer, buf_cnt, &checksum);
2712
2713                         retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2714                         if (retval != ERROR_OK)
2715                         {
2716                                 free(buffer);
2717                                 break;
2718                         }
2719
2720                         if (checksum != mem_checksum)
2721                         {
2722                                 /* failed crc checksum, fall back to a binary compare */
2723                                 uint8_t *data;
2724
2725                                 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2726
2727                                 data = (uint8_t*)malloc(buf_cnt);
2728
2729                                 /* Can we use 32bit word accesses? */
2730                                 int size = 1;
2731                                 int count = buf_cnt;
2732                                 if ((count % 4) == 0)
2733                                 {
2734                                         size *= 4;
2735                                         count /= 4;
2736                                 }
2737                                 retval = target_read_memory(target, image.sections[i].base_address, size, count, data);
2738                                 if (retval == ERROR_OK)
2739                                 {
2740                                         uint32_t t;
2741                                         for (t = 0; t < buf_cnt; t++)
2742                                         {
2743                                                 if (data[t] != buffer[t])
2744                                                 {
2745                                                         command_print(cmd_ctx,
2746                                                                                   "Verify operation failed address 0x%08x. Was 0x%02x instead of 0x%02x\n",
2747                                                                                   (unsigned)(t + image.sections[i].base_address),
2748                                                                                   data[t],
2749                                                                                   buffer[t]);
2750                                                         free(data);
2751                                                         free(buffer);
2752                                                         retval = ERROR_FAIL;
2753                                                         goto done;
2754                                                 }
2755                                                 if ((t%16384) == 0)
2756                                                 {
2757                                                         keep_alive();
2758                                                 }
2759                                         }
2760                                 }
2761
2762                                 free(data);
2763                         }
2764                 } else
2765                 {
2766                         command_print(cmd_ctx, "address 0x%08" PRIx32 " length 0x%08" PRIx32 "",
2767                                                   image.sections[i].base_address,
2768                                                   buf_cnt);
2769                 }
2770
2771                 free(buffer);
2772                 image_size += buf_cnt;
2773         }
2774 done:
2775
2776         if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2777         {
2778                 image_close(&image);
2779                 return retvaltemp;
2780         }
2781
2782         if (retval == ERROR_OK)
2783         {
2784                 command_print(cmd_ctx, "verified %u bytes in %s",
2785                                           (unsigned int)image_size,
2786                                           duration_text);
2787         }
2788         free(duration_text);
2789
2790         image_close(&image);
2791
2792         return retval;
2793 }
2794
2795 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2796 {
2797         return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 1);
2798 }
2799
2800 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2801 {
2802         return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 0);
2803 }
2804
2805 static int handle_bp_command_list(struct command_context_s *cmd_ctx)
2806 {
2807         target_t *target = get_current_target(cmd_ctx);
2808         breakpoint_t *breakpoint = target->breakpoints;
2809         while (breakpoint)
2810         {
2811                 if (breakpoint->type == BKPT_SOFT)
2812                 {
2813                         char* buf = buf_to_str(breakpoint->orig_instr,
2814                                         breakpoint->length, 16);
2815                         command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i, 0x%s",
2816                                         breakpoint->address,
2817                                         breakpoint->length,
2818                                         breakpoint->set, buf);
2819                         free(buf);
2820                 }
2821                 else
2822                 {
2823                         command_print(cmd_ctx, "0x%8.8" PRIx32 ", 0x%x, %i",
2824                                                   breakpoint->address,
2825                                                   breakpoint->length, breakpoint->set);
2826                 }
2827
2828                 breakpoint = breakpoint->next;
2829         }
2830         return ERROR_OK;
2831 }
2832
2833 static int handle_bp_command_set(struct command_context_s *cmd_ctx,
2834                 uint32_t addr, uint32_t length, int hw)
2835 {
2836         target_t *target = get_current_target(cmd_ctx);
2837         int retval = breakpoint_add(target, addr, length, hw);
2838         if (ERROR_OK == retval)
2839                 command_print(cmd_ctx, "breakpoint set at 0x%8.8" PRIx32 "", addr);
2840         else
2841                 LOG_ERROR("Failure setting breakpoint");
2842         return retval;
2843 }
2844
2845 static int handle_bp_command(struct command_context_s *cmd_ctx,
2846                 char *cmd, char **args, int argc)
2847 {
2848         if (argc == 0)
2849                 return handle_bp_command_list(cmd_ctx);
2850
2851         if (argc < 2 || argc > 3)
2852         {
2853                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2854                 return ERROR_COMMAND_SYNTAX_ERROR;
2855         }
2856
2857         uint32_t addr;
2858         int retval = parse_u32(args[0], &addr);
2859         if (ERROR_OK != retval)
2860                 return retval;
2861
2862         uint32_t length;
2863         retval = parse_u32(args[1], &length);
2864         if (ERROR_OK != retval)
2865                 return retval;
2866
2867         int hw = BKPT_SOFT;
2868         if (argc == 3)
2869         {
2870                 if (strcmp(args[2], "hw") == 0)
2871                         hw = BKPT_HARD;
2872                 else
2873                         return ERROR_COMMAND_SYNTAX_ERROR;
2874         }
2875
2876         return handle_bp_command_set(cmd_ctx, addr, length, hw);
2877 }
2878
2879 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2880 {
2881         if (argc != 1)
2882                 return ERROR_COMMAND_SYNTAX_ERROR;
2883
2884         uint32_t addr;
2885         int retval = parse_u32(args[0], &addr);
2886         if (ERROR_OK != retval)
2887                 return retval;
2888
2889         target_t *target = get_current_target(cmd_ctx);
2890         breakpoint_remove(target, addr);
2891
2892         return ERROR_OK;
2893 }
2894
2895 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2896 {
2897         target_t *target = get_current_target(cmd_ctx);
2898
2899         if (argc == 0)
2900         {
2901                 watchpoint_t *watchpoint = target->watchpoints;
2902
2903                 while (watchpoint)
2904                 {
2905                         command_print(cmd_ctx,
2906                                                   "address: 0x%8.8" PRIx32 ", len: 0x%8.8x, r/w/a: %i, value: 0x%8.8" PRIx32 ", mask: 0x%8.8" PRIx32 "",
2907                                                   watchpoint->address,
2908                                                   watchpoint->length,
2909                                                   (int)(watchpoint->rw),
2910                                                   watchpoint->value,
2911                                                   watchpoint->mask);
2912                         watchpoint = watchpoint->next;
2913                 }
2914                 return ERROR_OK;
2915         }
2916
2917         enum watchpoint_rw type = WPT_ACCESS;
2918         uint32_t addr = 0;
2919         uint32_t length = 0;
2920         uint32_t data_value = 0x0;
2921         uint32_t data_mask = 0xffffffff;
2922         int retval;
2923
2924         switch (argc)
2925         {
2926         case 5:
2927                 retval = parse_u32(args[4], &data_mask);
2928                 if (ERROR_OK != retval)
2929                         return retval;
2930                 // fall through
2931         case 4:
2932                 retval = parse_u32(args[3], &data_value);
2933                 if (ERROR_OK != retval)
2934                         return retval;
2935                 // fall through
2936         case 3:
2937                 switch (args[2][0])
2938                 {
2939                 case 'r':
2940                         type = WPT_READ;
2941                         break;
2942                 case 'w':
2943                         type = WPT_WRITE;
2944                         break;
2945                 case 'a':
2946                         type = WPT_ACCESS;
2947                         break;
2948                 default:
2949                         LOG_ERROR("invalid watchpoint mode ('%c')", args[2][0]);
2950                         return ERROR_COMMAND_SYNTAX_ERROR;
2951                 }
2952                 // fall through
2953         case 2:
2954                 retval = parse_u32(args[1], &length);
2955                 if (ERROR_OK != retval)
2956                         return retval;
2957                 retval = parse_u32(args[0], &addr);
2958                 if (ERROR_OK != retval)
2959                         return retval;
2960                 break;
2961
2962         default:
2963                 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2964                 return ERROR_COMMAND_SYNTAX_ERROR;
2965         }
2966
2967         retval = watchpoint_add(target, addr, length, type,
2968                         data_value, data_mask);
2969         if (ERROR_OK != retval)
2970                 LOG_ERROR("Failure setting watchpoints");
2971
2972         return retval;
2973 }
2974
2975 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2976 {
2977         if (argc != 1)
2978                 return ERROR_COMMAND_SYNTAX_ERROR;
2979
2980         uint32_t addr;
2981         int retval = parse_u32(args[0], &addr);
2982         if (ERROR_OK != retval)
2983                 return retval;
2984
2985         target_t *target = get_current_target(cmd_ctx);
2986         watchpoint_remove(target, addr);
2987
2988         return ERROR_OK;
2989 }
2990
2991
2992 /**
2993  * Translate a virtual address to a physical address.
2994  *
2995  * The low-level target implementation must have logged a detailed error
2996  * which is forwarded to telnet/GDB session.
2997  */
2998 static int handle_virt2phys_command(command_context_t *cmd_ctx,
2999                 char *cmd, char **args, int argc)
3000 {
3001         if (argc != 1)
3002                 return ERROR_COMMAND_SYNTAX_ERROR;
3003
3004         uint32_t va;
3005         int retval = parse_u32(args[0], &va);
3006         if (ERROR_OK != retval)
3007                 return retval;
3008         uint32_t pa;
3009
3010         target_t *target = get_current_target(cmd_ctx);
3011         retval = target->type->virt2phys(target, va, &pa);
3012         if (retval == ERROR_OK)
3013                 command_print(cmd_ctx, "Physical address 0x%08" PRIx32 "", pa);
3014
3015         return retval;
3016 }
3017
3018 static void writeData(FILE *f, const void *data, size_t len)
3019 {
3020         size_t written = fwrite(data, 1, len, f);
3021         if (written != len)
3022                 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
3023 }
3024
3025 static void writeLong(FILE *f, int l)
3026 {
3027         int i;
3028         for (i = 0; i < 4; i++)
3029         {
3030                 char c = (l >> (i*8))&0xff;
3031                 writeData(f, &c, 1);
3032         }
3033
3034 }
3035
3036 static void writeString(FILE *f, char *s)
3037 {
3038         writeData(f, s, strlen(s));
3039 }
3040
3041 /* Dump a gmon.out histogram file. */
3042 static void writeGmon(uint32_t *samples, uint32_t sampleNum, char *filename)
3043 {
3044         uint32_t i;
3045         FILE *f = fopen(filename, "w");
3046         if (f == NULL)
3047                 return;
3048         writeString(f, "gmon");
3049         writeLong(f, 0x00000001); /* Version */
3050         writeLong(f, 0); /* padding */
3051         writeLong(f, 0); /* padding */
3052         writeLong(f, 0); /* padding */
3053
3054         uint8_t zero = 0;  /* GMON_TAG_TIME_HIST */
3055         writeData(f, &zero, 1);
3056
3057         /* figure out bucket size */
3058         uint32_t min = samples[0];
3059         uint32_t max = samples[0];
3060         for (i = 0; i < sampleNum; i++)
3061         {
3062                 if (min > samples[i])
3063                 {
3064                         min = samples[i];
3065                 }
3066                 if (max < samples[i])
3067                 {
3068                         max = samples[i];
3069                 }
3070         }
3071
3072         int addressSpace = (max-min + 1);
3073
3074         static const uint32_t maxBuckets = 256 * 1024; /* maximum buckets. */
3075         uint32_t length = addressSpace;
3076         if (length > maxBuckets)
3077         {
3078                 length = maxBuckets;
3079         }
3080         int *buckets = malloc(sizeof(int)*length);
3081         if (buckets == NULL)
3082         {
3083                 fclose(f);
3084                 return;
3085         }
3086         memset(buckets, 0, sizeof(int)*length);
3087         for (i = 0; i < sampleNum;i++)
3088         {
3089                 uint32_t address = samples[i];
3090                 long long a = address-min;
3091                 long long b = length-1;
3092                 long long c = addressSpace-1;
3093                 int index = (a*b)/c; /* danger!!!! int32 overflows */
3094                 buckets[index]++;
3095         }
3096
3097         /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
3098         writeLong(f, min);                      /* low_pc */
3099         writeLong(f, max);                      /* high_pc */
3100         writeLong(f, length);           /* # of samples */
3101         writeLong(f, 64000000);         /* 64MHz */
3102         writeString(f, "seconds");
3103         for (i = 0; i < (15-strlen("seconds")); i++)
3104                 writeData(f, &zero, 1);
3105         writeString(f, "s");
3106
3107         /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
3108
3109         char *data = malloc(2*length);
3110         if (data != NULL)
3111         {
3112                 for (i = 0; i < length;i++)
3113                 {
3114                         int val;
3115                         val = buckets[i];
3116                         if (val > 65535)
3117                         {
3118                                 val = 65535;
3119                         }
3120                         data[i*2]=val&0xff;
3121                         data[i*2 + 1]=(val >> 8)&0xff;
3122                 }
3123                 free(buckets);
3124                 writeData(f, data, length * 2);
3125                 free(data);
3126         } else
3127         {
3128                 free(buckets);
3129         }
3130
3131         fclose(f);
3132 }
3133
3134 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
3135 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
3136 {
3137         target_t *target = get_current_target(cmd_ctx);
3138         struct timeval timeout, now;
3139
3140         gettimeofday(&timeout, NULL);
3141         if (argc != 2)
3142         {
3143                 return ERROR_COMMAND_SYNTAX_ERROR;
3144         }
3145         unsigned offset;
3146         int retval = parse_uint(args[0], &offset);
3147         if (ERROR_OK != retval)
3148                 return retval;
3149
3150         timeval_add_time(&timeout, offset, 0);
3151
3152         command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
3153
3154         static const int maxSample = 10000;
3155         uint32_t *samples = malloc(sizeof(uint32_t)*maxSample);
3156         if (samples == NULL)
3157                 return ERROR_OK;
3158
3159         int numSamples = 0;
3160         /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
3161         reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
3162
3163         for (;;)
3164         {
3165                 target_poll(target);
3166                 if (target->state == TARGET_HALTED)
3167                 {
3168                         uint32_t t=*((uint32_t *)reg->value);
3169                         samples[numSamples++]=t;
3170                         retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3171                         target_poll(target);
3172                         alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
3173                 } else if (target->state == TARGET_RUNNING)
3174                 {
3175                         /* We want to quickly sample the PC. */
3176                         if ((retval = target_halt(target)) != ERROR_OK)
3177                         {
3178                                 free(samples);
3179                                 return retval;
3180                         }
3181                 } else
3182                 {
3183                         command_print(cmd_ctx, "Target not halted or running");
3184                         retval = ERROR_OK;
3185                         break;
3186                 }
3187                 if (retval != ERROR_OK)
3188                 {
3189                         break;
3190                 }
3191
3192                 gettimeofday(&now, NULL);
3193                 if ((numSamples >= maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
3194                 {
3195                         command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
3196                         if ((retval = target_poll(target)) != ERROR_OK)
3197                         {
3198                                 free(samples);
3199                                 return retval;
3200                         }
3201                         if (target->state == TARGET_HALTED)
3202                         {
3203                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
3204                         }
3205                         if ((retval = target_poll(target)) != ERROR_OK)
3206                         {
3207                                 free(samples);
3208                                 return retval;
3209                         }
3210                         writeGmon(samples, numSamples, args[1]);
3211                         command_print(cmd_ctx, "Wrote %s", args[1]);
3212                         break;
3213                 }
3214         }
3215         free(samples);
3216
3217         return ERROR_OK;
3218 }
3219
3220 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t val)
3221 {
3222         char *namebuf;
3223         Jim_Obj *nameObjPtr, *valObjPtr;
3224         int result;
3225
3226         namebuf = alloc_printf("%s(%d)", varname, idx);
3227         if (!namebuf)
3228                 return JIM_ERR;
3229
3230         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3231         valObjPtr = Jim_NewIntObj(interp, val);
3232         if (!nameObjPtr || !valObjPtr)
3233         {
3234                 free(namebuf);
3235                 return JIM_ERR;
3236         }
3237
3238         Jim_IncrRefCount(nameObjPtr);
3239         Jim_IncrRefCount(valObjPtr);
3240         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
3241         Jim_DecrRefCount(interp, nameObjPtr);
3242         Jim_DecrRefCount(interp, valObjPtr);
3243         free(namebuf);
3244         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
3245         return result;
3246 }
3247
3248 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3249 {
3250         command_context_t *context;
3251         target_t *target;
3252
3253         context = Jim_GetAssocData(interp, "context");
3254         if (context == NULL)
3255         {
3256                 LOG_ERROR("mem2array: no command context");
3257                 return JIM_ERR;
3258         }
3259         target = get_current_target(context);
3260         if (target == NULL)
3261         {
3262                 LOG_ERROR("mem2array: no current target");
3263                 return JIM_ERR;
3264         }
3265
3266         return  target_mem2array(interp, target, argc-1, argv + 1);
3267 }
3268
3269 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
3270 {
3271         long l;
3272         uint32_t width;
3273         int len;
3274         uint32_t addr;
3275         uint32_t count;
3276         uint32_t v;
3277         const char *varname;
3278         uint8_t buffer[4096];
3279         int  n, e, retval;
3280         uint32_t i;
3281
3282         /* argv[1] = name of array to receive the data
3283          * argv[2] = desired width
3284          * argv[3] = memory address
3285          * argv[4] = count of times to read
3286          */
3287         if (argc != 4) {
3288                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3289                 return JIM_ERR;
3290         }
3291         varname = Jim_GetString(argv[0], &len);
3292         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3293
3294         e = Jim_GetLong(interp, argv[1], &l);
3295         width = l;
3296         if (e != JIM_OK) {
3297                 return e;
3298         }
3299
3300         e = Jim_GetLong(interp, argv[2], &l);
3301         addr = l;
3302         if (e != JIM_OK) {
3303                 return e;
3304         }
3305         e = Jim_GetLong(interp, argv[3], &l);
3306         len = l;
3307         if (e != JIM_OK) {
3308                 return e;
3309         }
3310         switch (width) {
3311                 case 8:
3312                         width = 1;
3313                         break;
3314                 case 16:
3315                         width = 2;
3316                         break;
3317                 case 32:
3318                         width = 4;
3319                         break;
3320                 default:
3321                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3322                         Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3323                         return JIM_ERR;
3324         }
3325         if (len == 0) {
3326                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3327                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
3328                 return JIM_ERR;
3329         }
3330         if ((addr + (len * width)) < addr) {
3331                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3332                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
3333                 return JIM_ERR;
3334         }
3335         /* absurd transfer size? */
3336         if (len > 65536) {
3337                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3338                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
3339                 return JIM_ERR;
3340         }
3341
3342         if ((width == 1) ||
3343                 ((width == 2) && ((addr & 1) == 0)) ||
3344                 ((width == 4) && ((addr & 3) == 0))) {
3345                 /* all is well */
3346         } else {
3347                 char buf[100];
3348                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3349                 sprintf(buf, "mem2array address: 0x%08" PRIx32 " is not aligned for %" PRId32 " byte reads",
3350                                 addr,
3351                                 width);
3352                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3353                 return JIM_ERR;
3354         }
3355
3356         /* Transfer loop */
3357
3358         /* index counter */
3359         n = 0;
3360         /* assume ok */
3361         e = JIM_OK;
3362         while (len) {
3363                 /* Slurp... in buffer size chunks */
3364
3365                 count = len; /* in objects.. */
3366                 if (count > (sizeof(buffer)/width)) {
3367                         count = (sizeof(buffer)/width);
3368                 }
3369
3370                 retval = target_read_memory(target, addr, width, count, buffer);
3371                 if (retval != ERROR_OK) {
3372                         /* BOO !*/
3373                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed",
3374                                           (unsigned int)addr,
3375                                           (int)width,
3376                                           (int)count);
3377                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3378                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
3379                         e = JIM_ERR;
3380                         len = 0;
3381                 } else {
3382                         v = 0; /* shut up gcc */
3383                         for (i = 0 ;i < count ;i++, n++) {
3384                                 switch (width) {
3385                                         case 4:
3386                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
3387                                                 break;
3388                                         case 2:
3389                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
3390                                                 break;
3391                                         case 1:
3392                                                 v = buffer[i] & 0x0ff;
3393                                                 break;
3394                                 }
3395                                 new_int_array_element(interp, varname, n, v);
3396                         }
3397                         len -= count;
3398                 }
3399         }
3400
3401         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3402
3403         return JIM_OK;
3404 }
3405
3406 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, uint32_t *val)
3407 {
3408         char *namebuf;
3409         Jim_Obj *nameObjPtr, *valObjPtr;
3410         int result;
3411         long l;
3412
3413         namebuf = alloc_printf("%s(%d)", varname, idx);
3414         if (!namebuf)
3415                 return JIM_ERR;
3416
3417         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3418         if (!nameObjPtr)
3419         {
3420                 free(namebuf);
3421                 return JIM_ERR;
3422         }
3423
3424         Jim_IncrRefCount(nameObjPtr);
3425         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
3426         Jim_DecrRefCount(interp, nameObjPtr);
3427         free(namebuf);
3428         if (valObjPtr == NULL)
3429                 return JIM_ERR;
3430
3431         result = Jim_GetLong(interp, valObjPtr, &l);
3432         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
3433         *val = l;
3434         return result;
3435 }
3436
3437 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3438 {
3439         command_context_t *context;
3440         target_t *target;
3441
3442         context = Jim_GetAssocData(interp, "context");
3443         if (context == NULL) {
3444                 LOG_ERROR("array2mem: no command context");
3445                 return JIM_ERR;
3446         }
3447         target = get_current_target(context);
3448         if (target == NULL) {
3449                 LOG_ERROR("array2mem: no current target");
3450                 return JIM_ERR;
3451         }
3452
3453         return target_array2mem(interp,target, argc-1, argv + 1);
3454 }
3455 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
3456 {
3457         long l;
3458         uint32_t width;
3459         int len;
3460         uint32_t addr;
3461         uint32_t count;
3462         uint32_t v;
3463         const char *varname;
3464         uint8_t buffer[4096];
3465         int  n, e, retval;
3466         uint32_t i;
3467
3468         /* argv[1] = name of array to get the data
3469          * argv[2] = desired width
3470          * argv[3] = memory address
3471          * argv[4] = count to write
3472          */
3473         if (argc != 4) {
3474                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3475                 return JIM_ERR;
3476         }
3477         varname = Jim_GetString(argv[0], &len);
3478         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3479
3480         e = Jim_GetLong(interp, argv[1], &l);
3481         width = l;
3482         if (e != JIM_OK) {
3483                 return e;
3484         }
3485
3486         e = Jim_GetLong(interp, argv[2], &l);
3487         addr = l;
3488         if (e != JIM_OK) {
3489                 return e;
3490         }
3491         e = Jim_GetLong(interp, argv[3], &l);
3492         len = l;
3493         if (e != JIM_OK) {
3494                 return e;
3495         }
3496         switch (width) {
3497                 case 8:
3498                         width = 1;
3499                         break;
3500                 case 16:
3501                         width = 2;
3502                         break;
3503                 case 32:
3504                         width = 4;
3505                         break;
3506                 default:
3507                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3508                         Jim_AppendStrings(interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL);
3509                         return JIM_ERR;
3510         }
3511         if (len == 0) {
3512                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3513                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
3514                 return JIM_ERR;
3515         }
3516         if ((addr + (len * width)) < addr) {
3517                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3518                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
3519                 return JIM_ERR;
3520         }
3521         /* absurd transfer size? */
3522         if (len > 65536) {
3523                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3524                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
3525                 return JIM_ERR;
3526         }
3527
3528         if ((width == 1) ||
3529                 ((width == 2) && ((addr & 1) == 0)) ||
3530                 ((width == 4) && ((addr & 3) == 0))) {
3531                 /* all is well */
3532         } else {
3533                 char buf[100];
3534                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3535                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads",
3536                                 (unsigned int)addr,
3537                                 (int)width);
3538                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3539                 return JIM_ERR;
3540         }
3541
3542         /* Transfer loop */
3543
3544         /* index counter */
3545         n = 0;
3546         /* assume ok */
3547         e = JIM_OK;
3548         while (len) {
3549                 /* Slurp... in buffer size chunks */
3550
3551                 count = len; /* in objects.. */
3552                 if (count > (sizeof(buffer)/width)) {
3553                         count = (sizeof(buffer)/width);
3554                 }
3555
3556                 v = 0; /* shut up gcc */
3557                 for (i = 0 ;i < count ;i++, n++) {
3558                         get_int_array_element(interp, varname, n, &v);
3559                         switch (width) {
3560                         case 4:
3561                                 target_buffer_set_u32(target, &buffer[i*width], v);
3562                                 break;
3563                         case 2:
3564                                 target_buffer_set_u16(target, &buffer[i*width], v);
3565                                 break;
3566                         case 1:
3567                                 buffer[i] = v & 0x0ff;
3568                                 break;
3569                         }
3570                 }
3571                 len -= count;
3572
3573                 retval = target_write_memory(target, addr, width, count, buffer);
3574                 if (retval != ERROR_OK) {
3575                         /* BOO !*/
3576                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed",
3577                                           (unsigned int)addr,
3578                                           (int)width,
3579                                           (int)count);
3580                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3581                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3582                         e = JIM_ERR;
3583                         len = 0;
3584                 }
3585         }
3586
3587         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3588
3589         return JIM_OK;
3590 }
3591
3592 void target_all_handle_event(enum target_event e)
3593 {
3594         target_t *target;
3595
3596         LOG_DEBUG("**all*targets: event: %d, %s",
3597                            (int)e,
3598                            Jim_Nvp_value2name_simple(nvp_target_event, e)->name);
3599
3600         target = all_targets;
3601         while (target) {
3602                 target_handle_event(target, e);
3603                 target = target->next;
3604         }
3605 }
3606
3607
3608 /* FIX? should we propagate errors here rather than printing them
3609  * and continuing?
3610  */
3611 void target_handle_event(target_t *target, enum target_event e)
3612 {
3613         target_event_action_t *teap;
3614
3615         for (teap = target->event_action; teap != NULL; teap = teap->next) {
3616                 if (teap->event == e) {
3617                         LOG_DEBUG("target: (%d) %s (%s) event: %d (%s) action: %s",
3618                                            target->target_number,
3619                                            target->cmd_name,
3620                                            target_get_name(target),
3621                                            e,
3622                                            Jim_Nvp_value2name_simple(nvp_target_event, e)->name,
3623                                            Jim_GetString(teap->body, NULL));
3624                         if (Jim_EvalObj(interp, teap->body) != JIM_OK)
3625                         {
3626                                 Jim_PrintErrorMessage(interp);
3627                         }
3628                 }
3629         }
3630 }
3631
3632 enum target_cfg_param {
3633         TCFG_TYPE,
3634         TCFG_EVENT,
3635         TCFG_WORK_AREA_VIRT,
3636         TCFG_WORK_AREA_PHYS,
3637         TCFG_WORK_AREA_SIZE,
3638         TCFG_WORK_AREA_BACKUP,
3639         TCFG_ENDIAN,
3640         TCFG_VARIANT,
3641         TCFG_CHAIN_POSITION,
3642 };
3643
3644 static Jim_Nvp nvp_config_opts[] = {
3645         { .name = "-type",             .value = TCFG_TYPE },
3646         { .name = "-event",            .value = TCFG_EVENT },
3647         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3648         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3649         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3650         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3651         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3652         { .name = "-variant",          .value = TCFG_VARIANT },
3653         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3654
3655         { .name = NULL, .value = -1 }
3656 };
3657
3658 static int target_configure(Jim_GetOptInfo *goi, target_t *target)
3659 {
3660         Jim_Nvp *n;
3661         Jim_Obj *o;
3662         jim_wide w;
3663         char *cp;
3664         int e;
3665
3666         /* parse config or cget options ... */
3667         while (goi->argc > 0) {
3668                 Jim_SetEmptyResult(goi->interp);
3669                 /* Jim_GetOpt_Debug(goi); */
3670
3671                 if (target->type->target_jim_configure) {
3672                         /* target defines a configure function */
3673                         /* target gets first dibs on parameters */
3674                         e = (*(target->type->target_jim_configure))(target, goi);
3675                         if (e == JIM_OK) {
3676                                 /* more? */
3677                                 continue;
3678                         }
3679                         if (e == JIM_ERR) {
3680                                 /* An error */
3681                                 return e;
3682                         }
3683                         /* otherwise we 'continue' below */
3684                 }
3685                 e = Jim_GetOpt_Nvp(goi, nvp_config_opts, &n);
3686                 if (e != JIM_OK) {
3687                         Jim_GetOpt_NvpUnknown(goi, nvp_config_opts, 0);
3688                         return e;
3689                 }
3690                 switch (n->value) {
3691                 case TCFG_TYPE:
3692                         /* not setable */
3693                         if (goi->isconfigure) {
3694                                 Jim_SetResult_sprintf(goi->interp, "not setable: %s", n->name);
3695                                 return JIM_ERR;
3696                         } else {
3697                         no_params:
3698                                 if (goi->argc != 0) {
3699                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "NO PARAMS");
3700                                         return JIM_ERR;
3701                                 }
3702                         }
3703                         Jim_SetResultString(goi->interp, target_get_name(target), -1);
3704                         /* loop for more */
3705                         break;
3706                 case TCFG_EVENT:
3707                         if (goi->argc == 0) {
3708                                 Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3709                                 return JIM_ERR;
3710                         }
3711
3712                         e = Jim_GetOpt_Nvp(goi, nvp_target_event, &n);
3713                         if (e != JIM_OK) {
3714                                 Jim_GetOpt_NvpUnknown(goi, nvp_target_event, 1);
3715                                 return e;
3716                         }
3717
3718                         if (goi->isconfigure) {
3719                                 if (goi->argc != 1) {
3720                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3721                                         return JIM_ERR;
3722                                 }
3723                         } else {
3724                                 if (goi->argc != 0) {
3725                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3726                                         return JIM_ERR;
3727                                 }
3728                         }
3729
3730                         {
3731                                 target_event_action_t *teap;
3732
3733                                 teap = target->event_action;
3734                                 /* replace existing? */
3735                                 while (teap) {
3736                                         if (teap->event == (enum target_event)n->value) {
3737                                                 break;
3738                                         }
3739                                         teap = teap->next;
3740                                 }
3741
3742                                 if (goi->isconfigure) {
3743                                         bool replace = true;
3744                                         if (teap == NULL) {
3745                                                 /* create new */
3746                                                 teap = calloc(1, sizeof(*teap));
3747                                                 replace = false;
3748                                         }
3749                                         teap->event = n->value;
3750                                         Jim_GetOpt_Obj(goi, &o);
3751                                         if (teap->body) {
3752                                                 Jim_DecrRefCount(interp, teap->body);
3753                                         }
3754                                         teap->body  = Jim_DuplicateObj(goi->interp, o);
3755                                         /*
3756                                          * FIXME:
3757                                          *     Tcl/TK - "tk events" have a nice feature.
3758                                          *     See the "BIND" command.
3759                                          *    We should support that here.
3760                                          *     You can specify %X and %Y in the event code.
3761                                          *     The idea is: %T - target name.
3762                                          *     The idea is: %N - target number
3763                                          *     The idea is: %E - event name.
3764                                          */
3765                                         Jim_IncrRefCount(teap->body);
3766
3767                                         if (!replace)
3768                                         {
3769                                                 /* add to head of event list */
3770                                                 teap->next = target->event_action;
3771                                                 target->event_action = teap;
3772                                         }
3773                                         Jim_SetEmptyResult(goi->interp);
3774                                 } else {
3775                                         /* get */
3776                                         if (teap == NULL) {
3777                                                 Jim_SetEmptyResult(goi->interp);
3778                                         } else {
3779                                                 Jim_SetResult(goi->interp, Jim_DuplicateObj(goi->interp, teap->body));
3780                                         }
3781                                 }
3782                         }
3783                         /* loop for more */
3784                         break;
3785
3786                 case TCFG_WORK_AREA_VIRT:
3787                         if (goi->isconfigure) {
3788                                 target_free_all_working_areas(target);
3789                                 e = Jim_GetOpt_Wide(goi, &w);
3790                                 if (e != JIM_OK) {
3791                                         return e;
3792                                 }
3793                                 target->working_area_virt = w;
3794                                 target->working_area_virt_spec = true;
3795                         } else {
3796                                 if (goi->argc != 0) {
3797                                         goto no_params;
3798                                 }
3799                         }
3800                         Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_virt));
3801                         /* loop for more */
3802                         break;
3803
3804                 case TCFG_WORK_AREA_PHYS:
3805                         if (goi->isconfigure) {
3806                                 target_free_all_working_areas(target);
3807                                 e = Jim_GetOpt_Wide(goi, &w);
3808                                 if (e != JIM_OK) {
3809                                         return e;
3810                                 }
3811                                 target->working_area_phys = w;
3812                                 target->working_area_phys_spec = true;
3813                         } else {
3814                                 if (goi->argc != 0) {
3815                                         goto no_params;
3816                                 }
3817                         }
3818                         Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_phys));
3819                         /* loop for more */
3820                         break;
3821
3822                 case TCFG_WORK_AREA_SIZE:
3823                         if (goi->isconfigure) {
3824                                 target_free_all_working_areas(target);
3825                                 e = Jim_GetOpt_Wide(goi, &w);
3826                                 if (e != JIM_OK) {
3827                                         return e;
3828                                 }
3829                                 target->working_area_size = w;
3830                         } else {
3831                                 if (goi->argc != 0) {
3832                                         goto no_params;
3833                                 }
3834                         }
3835                         Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->working_area_size));
3836                         /* loop for more */
3837                         break;
3838
3839                 case TCFG_WORK_AREA_BACKUP:
3840                         if (goi->isconfigure) {
3841                                 target_free_all_working_areas(target);
3842                                 e = Jim_GetOpt_Wide(goi, &w);
3843                                 if (e != JIM_OK) {
3844                                         return e;
3845                                 }
3846                                 /* make this exactly 1 or 0 */
3847                                 target->backup_working_area = (!!w);
3848                         } else {
3849                                 if (goi->argc != 0) {
3850                                         goto no_params;
3851                                 }
3852                         }
3853                         Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->backup_working_area));
3854                         /* loop for more e*/
3855                         break;
3856
3857                 case TCFG_ENDIAN:
3858                         if (goi->isconfigure) {
3859                                 e = Jim_GetOpt_Nvp(goi, nvp_target_endian, &n);
3860                                 if (e != JIM_OK) {
3861                                         Jim_GetOpt_NvpUnknown(goi, nvp_target_endian, 1);
3862                                         return e;
3863                                 }
3864                                 target->endianness = n->value;
3865                         } else {
3866                                 if (goi->argc != 0) {
3867                                         goto no_params;
3868                                 }
3869                         }
3870                         n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
3871                         if (n->name == NULL) {
3872                                 target->endianness = TARGET_LITTLE_ENDIAN;
3873                                 n = Jim_Nvp_value2name_simple(nvp_target_endian, target->endianness);
3874                         }
3875                         Jim_SetResultString(goi->interp, n->name, -1);
3876                         /* loop for more */
3877                         break;
3878
3879                 case TCFG_VARIANT:
3880                         if (goi->isconfigure) {
3881                                 if (goi->argc < 1) {
3882                                         Jim_SetResult_sprintf(goi->interp,
3883                                                                                    "%s ?STRING?",
3884                                                                                    n->name);
3885                                         return JIM_ERR;
3886                                 }
3887                                 if (target->variant) {
3888                                         free((void *)(target->variant));
3889                                 }
3890                                 e = Jim_GetOpt_String(goi, &cp, NULL);
3891                                 target->variant = strdup(cp);
3892                         } else {
3893                                 if (goi->argc != 0) {
3894                                         goto no_params;
3895                                 }
3896                         }
3897                         Jim_SetResultString(goi->interp, target->variant,-1);
3898                         /* loop for more */
3899                         break;
3900                 case TCFG_CHAIN_POSITION:
3901                         if (goi->isconfigure) {
3902                                 Jim_Obj *o;
3903                                 jtag_tap_t *tap;
3904                                 target_free_all_working_areas(target);
3905                                 e = Jim_GetOpt_Obj(goi, &o);
3906                                 if (e != JIM_OK) {
3907                                         return e;
3908                                 }
3909                                 tap = jtag_tap_by_jim_obj(goi->interp, o);
3910                                 if (tap == NULL) {
3911                                         return JIM_ERR;
3912                                 }
3913                                 /* make this exactly 1 or 0 */
3914                                 target->tap = tap;
3915                         } else {
3916                                 if (goi->argc != 0) {
3917                                         goto no_params;
3918                                 }
3919                         }
3920                         Jim_SetResultString(interp, target->tap->dotted_name, -1);
3921                         /* loop for more e*/
3922                         break;
3923                 }
3924         } /* while (goi->argc) */
3925
3926
3927                 /* done - we return */
3928         return JIM_OK;
3929 }
3930
3931 /** this is the 'tcl' handler for the target specific command */
3932 static int tcl_target_func(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3933 {
3934         Jim_GetOptInfo goi;
3935         jim_wide a,b,c;
3936         int x,y,z;
3937         uint8_t  target_buf[32];
3938         Jim_Nvp *n;
3939         target_t *target;
3940         struct command_context_s *cmd_ctx;
3941         int e;
3942
3943         enum {
3944                 TS_CMD_CONFIGURE,
3945                 TS_CMD_CGET,
3946
3947                 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3948                 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3949                 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3950                 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3951                 TS_CMD_EXAMINE,
3952                 TS_CMD_POLL,
3953                 TS_CMD_RESET,
3954                 TS_CMD_HALT,
3955                 TS_CMD_WAITSTATE,
3956                 TS_CMD_EVENTLIST,
3957                 TS_CMD_CURSTATE,
3958                 TS_CMD_INVOKE_EVENT,
3959         };
3960
3961         static const Jim_Nvp target_options[] = {
3962                 { .name = "configure", .value = TS_CMD_CONFIGURE },
3963                 { .name = "cget", .value = TS_CMD_CGET },
3964                 { .name = "mww", .value = TS_CMD_MWW },
3965                 { .name = "mwh", .value = TS_CMD_MWH },
3966                 { .name = "mwb", .value = TS_CMD_MWB },
3967                 { .name = "mdw", .value = TS_CMD_MDW },
3968                 { .name = "mdh", .value = TS_CMD_MDH },
3969                 { .name = "mdb", .value = TS_CMD_MDB },
3970                 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3971                 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3972                 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3973                 { .name = "curstate",  .value = TS_CMD_CURSTATE },
3974
3975                 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3976                 { .name = "arp_poll", .value = TS_CMD_POLL },
3977                 { .name = "arp_reset", .value = TS_CMD_RESET },
3978                 { .name = "arp_halt", .value = TS_CMD_HALT },
3979                 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3980                 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3981
3982                 { .name = NULL, .value = -1 },
3983         };
3984
3985         /* go past the "command" */
3986         Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
3987
3988         target = Jim_CmdPrivData(goi.interp);
3989         cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3990
3991         /* commands here are in an NVP table */
3992         e = Jim_GetOpt_Nvp(&goi, target_options, &n);
3993         if (e != JIM_OK) {
3994                 Jim_GetOpt_NvpUnknown(&goi, target_options, 0);
3995                 return e;
3996         }
3997         /* Assume blank result */
3998         Jim_SetEmptyResult(goi.interp);
3999
4000         switch (n->value) {
4001         case TS_CMD_CONFIGURE:
4002                 if (goi.argc < 2) {
4003                         Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
4004                         return JIM_ERR;
4005                 }
4006                 goi.isconfigure = 1;
4007                 return target_configure(&goi, target);
4008         case TS_CMD_CGET:
4009                 // some things take params
4010                 if (goi.argc < 1) {
4011                         Jim_WrongNumArgs(goi.interp, 0, goi.argv, "missing: ?-option?");
4012                         return JIM_ERR;
4013                 }
4014                 goi.isconfigure = 0;
4015                 return target_configure(&goi, target);
4016                 break;
4017         case TS_CMD_MWW:
4018         case TS_CMD_MWH:
4019         case TS_CMD_MWB:
4020                 /* argv[0] = cmd
4021                  * argv[1] = address
4022                  * argv[2] = data
4023                  * argv[3] = optional count.
4024                  */
4025
4026                 if ((goi.argc == 2) || (goi.argc == 3)) {
4027                         /* all is well */
4028                 } else {
4029                 mwx_error:
4030                         Jim_SetResult_sprintf(goi.interp, "expected: %s ADDR DATA [COUNT]", n->name);
4031                         return JIM_ERR;
4032                 }
4033
4034                 e = Jim_GetOpt_Wide(&goi, &a);
4035                 if (e != JIM_OK) {
4036                         goto mwx_error;
4037                 }
4038
4039                 e = Jim_GetOpt_Wide(&goi, &b);
4040                 if (e != JIM_OK) {
4041                         goto mwx_error;
4042                 }
4043                 if (goi.argc == 3) {
4044                         e = Jim_GetOpt_Wide(&goi, &c);
4045                         if (e != JIM_OK) {
4046                                 goto mwx_error;
4047                         }
4048                 } else {
4049                         c = 1;
4050                 }
4051
4052                 switch (n->value) {
4053                 case TS_CMD_MWW:
4054                         target_buffer_set_u32(target, target_buf, b);
4055                         b = 4;
4056                         break;
4057                 case TS_CMD_MWH:
4058                         target_buffer_set_u16(target, target_buf, b);
4059                         b = 2;
4060                         break;
4061                 case TS_CMD_MWB:
4062                         target_buffer_set_u8(target, target_buf, b);
4063                         b = 1;
4064                         break;
4065                 }
4066                 for (x = 0 ; x < c ; x++) {
4067                         e = target_write_memory(target, a, b, 1, target_buf);
4068                         if (e != ERROR_OK) {
4069                                 Jim_SetResult_sprintf(interp, "Error writing @ 0x%08x: %d\n", (int)(a), e);
4070                                 return JIM_ERR;
4071                         }
4072                         /* b = width */
4073                         a = a + b;
4074                 }
4075                 return JIM_OK;
4076                 break;
4077
4078                 /* display */
4079         case TS_CMD_MDW:
4080         case TS_CMD_MDH:
4081         case TS_CMD_MDB:
4082                 /* argv[0] = command
4083                  * argv[1] = address
4084                  * argv[2] = optional count
4085                  */
4086                 if ((goi.argc == 2) || (goi.argc == 3)) {
4087                         Jim_SetResult_sprintf(goi.interp, "expected: %s ADDR [COUNT]", n->name);
4088                         return JIM_ERR;
4089                 }
4090                 e = Jim_GetOpt_Wide(&goi, &a);
4091                 if (e != JIM_OK) {
4092                         return JIM_ERR;
4093                 }
4094                 if (goi.argc) {
4095                         e = Jim_GetOpt_Wide(&goi, &c);
4096                         if (e != JIM_OK) {
4097                                 return JIM_ERR;
4098                         }
4099                 } else {
4100                         c = 1;
4101                 }
4102                 b = 1; /* shut up gcc */
4103                 switch (n->value) {
4104                 case TS_CMD_MDW:
4105                         b =  4;
4106                         break;
4107                 case TS_CMD_MDH:
4108                         b = 2;
4109                         break;
4110                 case TS_CMD_MDB:
4111                         b = 1;
4112                         break;
4113                 }
4114
4115                 /* convert to "bytes" */
4116                 c = c * b;
4117                 /* count is now in 'BYTES' */
4118                 while (c > 0) {
4119                         y = c;
4120                         if (y > 16) {
4121                                 y = 16;
4122                         }
4123                         e = target_read_memory(target, a, b, y / b, target_buf);
4124                         if (e != ERROR_OK) {
4125                                 Jim_SetResult_sprintf(interp, "error reading target @ 0x%08lx", (int)(a));
4126                                 return JIM_ERR;
4127                         }
4128
4129                         Jim_fprintf(interp, interp->cookie_stdout, "0x%08x ", (int)(a));
4130                         switch (b) {
4131                         case 4:
4132                                 for (x = 0 ; (x < 16) && (x < y) ; x += 4) {
4133                                         z = target_buffer_get_u32(target, &(target_buf[ x * 4 ]));
4134                                         Jim_fprintf(interp, interp->cookie_stdout, "%08x ", (int)(z));
4135                                 }
4136                                 for (; (x < 16) ; x += 4) {
4137                                         Jim_fprintf(interp, interp->cookie_stdout, "         ");
4138                                 }
4139                                 break;
4140                         case 2:
4141                                 for (x = 0 ; (x < 16) && (x < y) ; x += 2) {
4142                                         z = target_buffer_get_u16(target, &(target_buf[ x * 2 ]));
4143                                         Jim_fprintf(interp, interp->cookie_stdout, "%04x ", (int)(z));
4144                                 }
4145                                 for (; (x < 16) ; x += 2) {
4146                                         Jim_fprintf(interp, interp->cookie_stdout, "     ");
4147                                 }
4148                                 break;
4149                         case 1:
4150                         default:
4151                                 for (x = 0 ; (x < 16) && (x < y) ; x += 1) {
4152                                         z = target_buffer_get_u8(target, &(target_buf[ x * 4 ]));
4153                                         Jim_fprintf(interp, interp->cookie_stdout, "%02x ", (int)(z));
4154                                 }
4155                                 for (; (x < 16) ; x += 1) {
4156                                         Jim_fprintf(interp, interp->cookie_stdout, "   ");
4157                                 }
4158                                 break;
4159                         }
4160                         /* ascii-ify the bytes */
4161                         for (x = 0 ; x < y ; x++) {
4162                                 if ((target_buf[x] >= 0x20) &&
4163                                         (target_buf[x] <= 0x7e)) {
4164                                         /* good */
4165                                 } else {
4166                                         /* smack it */
4167                                         target_buf[x] = '.';
4168                                 }
4169                         }
4170                         /* space pad  */
4171                         while (x < 16) {
4172                                 target_buf[x] = ' ';
4173                                 x++;
4174                         }
4175                         /* terminate */
4176                         target_buf[16] = 0;
4177                         /* print - with a newline */
4178                         Jim_fprintf(interp, interp->cookie_stdout, "%s\n", target_buf);
4179                         /* NEXT... */
4180                         c -= 16;
4181                         a += 16;
4182                 }
4183                 return JIM_OK;
4184         case TS_CMD_MEM2ARRAY:
4185                 return target_mem2array(goi.interp, target, goi.argc, goi.argv);
4186                 break;
4187         case TS_CMD_ARRAY2MEM:
4188                 return target_array2mem(goi.interp, target, goi.argc, goi.argv);
4189                 break;
4190         case TS_CMD_EXAMINE:
4191                 if (goi.argc) {
4192                         Jim_WrongNumArgs(goi.interp, 2, argv, "[no parameters]");
4193                         return JIM_ERR;
4194                 }
4195                 if (!target->tap->enabled)
4196                         goto err_tap_disabled;
4197                 e = target->type->examine(target);
4198                 if (e != ERROR_OK) {
4199                         Jim_SetResult_sprintf(interp, "examine-fails: %d", e);
4200                         return JIM_ERR;
4201                 }
4202                 return JIM_OK;
4203         case TS_CMD_POLL:
4204                 if (goi.argc) {
4205                         Jim_WrongNumArgs(goi.interp, 2, argv, "[no parameters]");
4206                         return JIM_ERR;
4207                 }
4208                 if (!target->tap->enabled)
4209                         goto err_tap_disabled;
4210                 if (!(target_was_examined(target))) {
4211                         e = ERROR_TARGET_NOT_EXAMINED;
4212                 } else {
4213                         e = target->type->poll(target);
4214                 }
4215                 if (e != ERROR_OK) {
4216                         Jim_SetResult_sprintf(interp, "poll-fails: %d", e);
4217                         return JIM_ERR;
4218                 } else {
4219                         return JIM_OK;
4220                 }
4221                 break;
4222         case TS_CMD_RESET:
4223                 if (goi.argc != 2) {
4224                         Jim_WrongNumArgs(interp, 2, argv,
4225                                         "([tT]|[fF]|assert|deassert) BOOL");
4226                         return JIM_ERR;
4227                 }
4228                 e = Jim_GetOpt_Nvp(&goi, nvp_assert, &n);
4229                 if (e != JIM_OK) {
4230                         Jim_GetOpt_NvpUnknown(&goi, nvp_assert, 1);
4231                         return e;
4232                 }
4233                 /* the halt or not param */
4234                 e = Jim_GetOpt_Wide(&goi, &a);
4235                 if (e != JIM_OK) {
4236                         return e;
4237                 }
4238                 if (!target->tap->enabled)
4239                         goto err_tap_disabled;
4240                 if (!target->type->assert_reset
4241                                 || !target->type->deassert_reset) {
4242                         Jim_SetResult_sprintf(interp,
4243                                         "No target-specific reset for %s",
4244                                         target->cmd_name);
4245                         return JIM_ERR;
4246                 }
4247                 /* determine if we should halt or not. */
4248                 target->reset_halt = !!a;
4249                 /* When this happens - all workareas are invalid. */
4250                 target_free_all_working_areas_restore(target, 0);
4251
4252                 /* do the assert */
4253                 if (n->value == NVP_ASSERT) {
4254                         e = target->type->assert_reset(target);
4255                 } else {
4256                         e = target->type->deassert_reset(target);
4257                 }
4258                 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4259         case TS_CMD_HALT:
4260                 if (goi.argc) {
4261                         Jim_WrongNumArgs(goi.interp, 0, argv, "halt [no parameters]");
4262                         return JIM_ERR;
4263                 }
4264                 if (!target->tap->enabled)
4265                         goto err_tap_disabled;
4266                 e = target->type->halt(target);
4267                 return (e == ERROR_OK) ? JIM_OK : JIM_ERR;
4268         case TS_CMD_WAITSTATE:
4269                 /* params:  <name>  statename timeoutmsecs */
4270                 if (goi.argc != 2) {
4271                         Jim_SetResult_sprintf(goi.interp, "%s STATENAME TIMEOUTMSECS", n->name);
4272                         return JIM_ERR;
4273                 }
4274                 e = Jim_GetOpt_Nvp(&goi, nvp_target_state, &n);
4275                 if (e != JIM_OK) {
4276                         Jim_GetOpt_NvpUnknown(&goi, nvp_target_state,1);
4277                         return e;
4278                 }
4279                 e = Jim_GetOpt_Wide(&goi, &a);
4280                 if (e != JIM_OK) {
4281                         return e;
4282                 }
4283                 if (!target->tap->enabled)
4284                         goto err_tap_disabled;
4285                 e = target_wait_state(target, n->value, a);
4286                 if (e != ERROR_OK) {
4287                         Jim_SetResult_sprintf(goi.interp,
4288                                                                    "target: %s wait %s fails (%d) %s",
4289                                                                    target->cmd_name,
4290                                                                    n->name,
4291                                                                    e, target_strerror_safe(e));
4292                         return JIM_ERR;
4293                 } else {
4294                         return JIM_OK;
4295                 }
4296         case TS_CMD_EVENTLIST:
4297                 /* List for human, Events defined for this target.
4298                  * scripts/programs should use 'name cget -event NAME'
4299                  */
4300                 {
4301                         target_event_action_t *teap;
4302                         teap = target->event_action;
4303                         command_print(cmd_ctx, "Event actions for target (%d) %s\n",
4304                                                    target->target_number,
4305                                                    target->cmd_name);
4306                         command_print(cmd_ctx, "%-25s | Body", "Event");
4307                         command_print(cmd_ctx, "------------------------- | ----------------------------------------");
4308                         while (teap) {
4309                                 command_print(cmd_ctx,
4310                                                            "%-25s | %s",
4311                                                            Jim_Nvp_value2name_simple(nvp_target_event, teap->event)->name,
4312                                                            Jim_GetString(teap->body, NULL));
4313                                 teap = teap->next;
4314                         }
4315                         command_print(cmd_ctx, "***END***");
4316                         return JIM_OK;
4317                 }
4318         case TS_CMD_CURSTATE:
4319                 if (goi.argc != 0) {
4320                         Jim_WrongNumArgs(goi.interp, 0, argv, "[no parameters]");
4321                         return JIM_ERR;
4322                 }
4323                 Jim_SetResultString(goi.interp,
4324                                                         target_state_name( target ),
4325                                                         -1);
4326                 return JIM_OK;
4327         case TS_CMD_INVOKE_EVENT:
4328                 if (goi.argc != 1) {
4329                         Jim_SetResult_sprintf(goi.interp, "%s ?EVENTNAME?",n->name);
4330                         return JIM_ERR;
4331                 }
4332                 e = Jim_GetOpt_Nvp(&goi, nvp_target_event, &n);
4333                 if (e != JIM_OK) {
4334                         Jim_GetOpt_NvpUnknown(&goi, nvp_target_event, 1);
4335                         return e;
4336                 }
4337                 target_handle_event(target, n->value);
4338                 return JIM_OK;
4339         }
4340         return JIM_ERR;
4341
4342 err_tap_disabled:
4343         Jim_SetResult_sprintf(interp, "[TAP is disabled]");
4344         return JIM_ERR;
4345 }
4346
4347 static int target_create(Jim_GetOptInfo *goi)
4348 {
4349         Jim_Obj *new_cmd;
4350         Jim_Cmd *cmd;
4351         const char *cp;
4352         char *cp2;
4353         int e;
4354         int x;
4355         target_t *target;
4356         struct command_context_s *cmd_ctx;
4357
4358         cmd_ctx = Jim_GetAssocData(goi->interp, "context");
4359         if (goi->argc < 3) {
4360                 Jim_WrongNumArgs(goi->interp, 1, goi->argv, "?name? ?type? ..options...");
4361                 return JIM_ERR;
4362         }
4363
4364         /* COMMAND */
4365         Jim_GetOpt_Obj(goi, &new_cmd);
4366         /* does this command exist? */
4367         cmd = Jim_GetCommand(goi->interp, new_cmd, JIM_ERRMSG);
4368         if (cmd) {
4369                 cp = Jim_GetString(new_cmd, NULL);
4370                 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
4371                 return JIM_ERR;
4372         }
4373
4374         /* TYPE */
4375         e = Jim_GetOpt_String(goi, &cp2, NULL);
4376         cp = cp2;
4377         /* now does target type exist */
4378         for (x = 0 ; target_types[x] ; x++) {
4379                 if (0 == strcmp(cp, target_types[x]->name)) {
4380                         /* found */
4381                         break;
4382                 }
4383         }
4384         if (target_types[x] == NULL) {
4385                 Jim_SetResult_sprintf(goi->interp, "Unknown target type %s, try one of ", cp);
4386                 for (x = 0 ; target_types[x] ; x++) {
4387                         if (target_types[x + 1]) {
4388                                 Jim_AppendStrings(goi->interp,
4389                                                                    Jim_GetResult(goi->interp),
4390                                                                    target_types[x]->name,
4391                                                                    ", ", NULL);
4392                         } else {
4393                                 Jim_AppendStrings(goi->interp,
4394                                                                    Jim_GetResult(goi->interp),
4395                                                                    " or ",
4396                                                                    target_types[x]->name,NULL);
4397                         }
4398                 }
4399                 return JIM_ERR;
4400         }
4401
4402         /* Create it */
4403         target = calloc(1,sizeof(target_t));
4404         /* set target number */
4405         target->target_number = new_target_number();
4406
4407         /* allocate memory for each unique target type */
4408         target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
4409
4410         memcpy(target->type, target_types[x], sizeof(target_type_t));
4411
4412         /* will be set by "-endian" */
4413         target->endianness = TARGET_ENDIAN_UNKNOWN;
4414
4415         target->working_area        = 0x0;
4416         target->working_area_size   = 0x0;
4417         target->working_areas       = NULL;
4418         target->backup_working_area = 0;
4419
4420         target->state               = TARGET_UNKNOWN;
4421         target->debug_reason        = DBG_REASON_UNDEFINED;
4422         target->reg_cache           = NULL;
4423         target->breakpoints         = NULL;
4424         target->watchpoints         = NULL;
4425         target->next                = NULL;
4426         target->arch_info           = NULL;
4427
4428         target->display             = 1;
4429
4430         target->halt_issued                     = false;
4431
4432         /* initialize trace information */
4433         target->trace_info = malloc(sizeof(trace_t));
4434         target->trace_info->num_trace_points         = 0;
4435         target->trace_info->trace_points_size        = 0;
4436         target->trace_info->trace_points             = NULL;
4437         target->trace_info->trace_history_size       = 0;
4438         target->trace_info->trace_history            = NULL;
4439         target->trace_info->trace_history_pos        = 0;
4440         target->trace_info->trace_history_overflowed = 0;
4441
4442         target->dbgmsg          = NULL;
4443         target->dbg_msg_enabled = 0;
4444
4445         target->endianness = TARGET_ENDIAN_UNKNOWN;
4446
4447         /* Do the rest as "configure" options */
4448         goi->isconfigure = 1;
4449         e = target_configure(goi, target);
4450
4451         if (target->tap == NULL)
4452         {
4453                 Jim_SetResultString(interp, "-chain-position required when creating target", -1);
4454                 e = JIM_ERR;
4455         }
4456
4457         if (e != JIM_OK) {
4458                 free(target->type);
4459                 free(target);
4460                 return e;
4461         }
4462
4463         if (target->endianness == TARGET_ENDIAN_UNKNOWN) {
4464                 /* default endian to little if not specified */
4465                 target->endianness = TARGET_LITTLE_ENDIAN;
4466         }
4467
4468         /* incase variant is not set */
4469         if (!target->variant)
4470                 target->variant = strdup("");
4471
4472         /* create the target specific commands */
4473         if (target->type->register_commands) {
4474                 (*(target->type->register_commands))(cmd_ctx);
4475         }
4476         if (target->type->target_create) {
4477                 (*(target->type->target_create))(target, goi->interp);
4478         }
4479
4480         /* append to end of list */
4481         {
4482                 target_t **tpp;
4483                 tpp = &(all_targets);
4484                 while (*tpp) {
4485                         tpp = &((*tpp)->next);
4486                 }
4487                 *tpp = target;
4488         }
4489
4490         cp = Jim_GetString(new_cmd, NULL);
4491         target->cmd_name = strdup(cp);
4492
4493         /* now - create the new target name command */
4494         e = Jim_CreateCommand(goi->interp,
4495                                                    /* name */
4496                                                    cp,
4497                                                    tcl_target_func, /* C function */
4498                                                    target, /* private data */
4499                                                    NULL); /* no del proc */
4500
4501         return e;
4502 }
4503
4504 static int jim_target(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4505 {
4506         int x,r,e;
4507         jim_wide w;
4508         struct command_context_s *cmd_ctx;
4509         target_t *target;
4510         Jim_GetOptInfo goi;
4511         enum tcmd {
4512                 /* TG = target generic */
4513                 TG_CMD_CREATE,
4514                 TG_CMD_TYPES,
4515                 TG_CMD_NAMES,
4516                 TG_CMD_CURRENT,
4517                 TG_CMD_NUMBER,
4518                 TG_CMD_COUNT,
4519         };
4520         const char *target_cmds[] = {
4521                 "create", "types", "names", "current", "number",
4522                 "count",
4523                 NULL /* terminate */
4524         };
4525
4526         LOG_DEBUG("Target command params:");
4527         LOG_DEBUG("%s", Jim_Debug_ArgvString(interp, argc, argv));
4528
4529         cmd_ctx = Jim_GetAssocData(interp, "context");
4530
4531         Jim_GetOpt_Setup(&goi, interp, argc-1, argv + 1);
4532
4533         if (goi.argc == 0) {
4534                 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
4535                 return JIM_ERR;
4536         }
4537
4538         /* Jim_GetOpt_Debug(&goi); */
4539         r = Jim_GetOpt_Enum(&goi, target_cmds, &x);
4540         if (r != JIM_OK) {
4541                 return r;
4542         }
4543
4544         switch (x) {
4545         default:
4546                 Jim_Panic(goi.interp,"Why am I here?");
4547                 return JIM_ERR;
4548         case TG_CMD_CURRENT:
4549                 if (goi.argc != 0) {
4550                         Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4551                         return JIM_ERR;
4552                 }
4553                 Jim_SetResultString(goi.interp, get_current_target(cmd_ctx)->cmd_name, -1);
4554                 return JIM_OK;
4555         case TG_CMD_TYPES:
4556                 if (goi.argc != 0) {
4557                         Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4558                         return JIM_ERR;
4559                 }
4560                 Jim_SetResult(goi.interp, Jim_NewListObj(goi.interp, NULL, 0));
4561                 for (x = 0 ; target_types[x] ; x++) {
4562                         Jim_ListAppendElement(goi.interp,
4563                                                                    Jim_GetResult(goi.interp),
4564                                                                    Jim_NewStringObj(goi.interp, target_types[x]->name, -1));
4565                 }
4566                 return JIM_OK;
4567         case TG_CMD_NAMES:
4568                 if (goi.argc != 0) {
4569                         Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
4570                         return JIM_ERR;
4571                 }
4572                 Jim_SetResult(goi.interp, Jim_NewListObj(goi.interp, NULL, 0));
4573                 target = all_targets;
4574                 while (target) {
4575                         Jim_ListAppendElement(goi.interp,
4576                                                                    Jim_GetResult(goi.interp),
4577                                                                    Jim_NewStringObj(goi.interp, target->cmd_name, -1));
4578                         target = target->next;
4579                 }
4580                 return JIM_OK;
4581         case TG_CMD_CREATE:
4582                 if (goi.argc < 3) {
4583                         Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv, "?name  ... config options ...");
4584                         return JIM_ERR;
4585                 }
4586                 return target_create(&goi);
4587                 break;
4588         case TG_CMD_NUMBER:
4589                 /* It's OK to remove this mechanism sometime after August 2010 or so */
4590                 LOG_WARNING("don't use numbers as target identifiers; use names");
4591                 if (goi.argc != 1) {
4592                         Jim_SetResult_sprintf(goi.interp, "expected: target number ?NUMBER?");
4593                         return JIM_ERR;
4594                 }
4595                 e = Jim_GetOpt_Wide(&goi, &w);
4596                 if (e != JIM_OK) {
4597                         return JIM_ERR;
4598                 }
4599                 for (x = 0, target = all_targets; target; target = target->next, x++) {
4600                         if (target->target_number == w)
4601                                 break;
4602                 }
4603                 if (target == NULL) {
4604                         Jim_SetResult_sprintf(goi.interp,
4605                                         "Target: number %d does not exist", (int)(w));
4606                         return JIM_ERR;
4607                 }
4608                 Jim_SetResultString(goi.interp, target->cmd_name, -1);
4609                 return JIM_OK;
4610         case TG_CMD_COUNT:
4611                 if (goi.argc != 0) {
4612                         Jim_WrongNumArgs(goi.interp, 0, goi.argv, "<no parameters>");
4613                         return JIM_ERR;
4614                 }
4615                 for (x = 0, target = all_targets; target; target = target->next, x++)
4616                         continue;
4617                 Jim_SetResult(goi.interp, Jim_NewIntObj(goi.interp, x));
4618                 return JIM_OK;
4619         }
4620
4621         return JIM_ERR;
4622 }
4623
4624
4625 struct FastLoad
4626 {
4627         uint32_t address;
4628         uint8_t *data;
4629         int length;
4630
4631 };
4632
4633 static int fastload_num;
4634 static struct FastLoad *fastload;
4635
4636 static void free_fastload(void)
4637 {
4638         if (fastload != NULL)
4639         {
4640                 int i;
4641                 for (i = 0; i < fastload_num; i++)
4642                 {
4643                         if (fastload[i].data)
4644                                 free(fastload[i].data);
4645                 }
4646                 free(fastload);
4647                 fastload = NULL;
4648         }
4649 }
4650
4651
4652
4653
4654 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4655 {
4656         uint8_t *buffer;
4657         uint32_t buf_cnt;
4658         uint32_t image_size;
4659         uint32_t min_address = 0;
4660         uint32_t max_address = 0xffffffff;
4661         int i;
4662
4663         image_t image;
4664
4665         duration_t duration;
4666         char *duration_text;
4667
4668         int retval = parse_load_image_command_args(args, argc,
4669                         &image, &min_address, &max_address);
4670         if (ERROR_OK != retval)
4671                 return retval;
4672
4673         duration_start_measure(&duration);
4674
4675         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
4676         {
4677                 return ERROR_OK;
4678         }
4679
4680         image_size = 0x0;
4681         retval = ERROR_OK;
4682         fastload_num = image.num_sections;
4683         fastload = (struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
4684         if (fastload == NULL)
4685         {
4686                 image_close(&image);
4687                 return ERROR_FAIL;
4688         }
4689         memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
4690         for (i = 0; i < image.num_sections; i++)
4691         {
4692                 buffer = malloc(image.sections[i].size);
4693                 if (buffer == NULL)
4694                 {
4695                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)",
4696                                                   (int)(image.sections[i].size));
4697                         break;
4698                 }
4699
4700                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
4701                 {
4702                         free(buffer);
4703                         break;
4704                 }
4705
4706                 uint32_t offset = 0;
4707                 uint32_t length = buf_cnt;
4708
4709
4710                 /* DANGER!!! beware of unsigned comparision here!!! */
4711
4712                 if ((image.sections[i].base_address + buf_cnt >= min_address)&&
4713                                 (image.sections[i].base_address < max_address))
4714                 {
4715                         if (image.sections[i].base_address < min_address)
4716                         {
4717                                 /* clip addresses below */
4718                                 offset += min_address-image.sections[i].base_address;
4719                                 length -= offset;
4720                         }
4721
4722                         if (image.sections[i].base_address + buf_cnt > max_address)
4723                         {
4724                                 length -= (image.sections[i].base_address + buf_cnt)-max_address;
4725                         }
4726
4727                         fastload[i].address = image.sections[i].base_address + offset;
4728                         fastload[i].data = malloc(length);
4729                         if (fastload[i].data == NULL)
4730                         {
4731                                 free(buffer);
4732                                 break;
4733                         }
4734                         memcpy(fastload[i].data, buffer + offset, length);
4735                         fastload[i].length = length;
4736
4737                         image_size += length;
4738                         command_print(cmd_ctx, "%u bytes written at address 0x%8.8x",
4739                                                   (unsigned int)length,
4740                                                   ((unsigned int)(image.sections[i].base_address + offset)));
4741                 }
4742
4743                 free(buffer);
4744         }
4745
4746         duration_stop_measure(&duration, &duration_text);
4747         if (retval == ERROR_OK)
4748         {
4749                 command_print(cmd_ctx, "Loaded %u bytes in %s", (unsigned int)image_size, duration_text);
4750                 command_print(cmd_ctx, "NB!!! image has not been loaded to target, issue a subsequent 'fast_load' to do so.");
4751         }
4752         free(duration_text);
4753
4754         image_close(&image);
4755
4756         if (retval != ERROR_OK)
4757         {
4758                 free_fastload();
4759         }
4760
4761         return retval;
4762 }
4763
4764 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4765 {
4766         if (argc > 0)
4767                 return ERROR_COMMAND_SYNTAX_ERROR;
4768         if (fastload == NULL)
4769         {
4770                 LOG_ERROR("No image in memory");
4771                 return ERROR_FAIL;
4772         }
4773         int i;
4774         int ms = timeval_ms();
4775         int size = 0;
4776         int retval = ERROR_OK;
4777         for (i = 0; i < fastload_num;i++)
4778         {
4779                 target_t *target = get_current_target(cmd_ctx);
4780                 command_print(cmd_ctx, "Write to 0x%08x, length 0x%08x",
4781                                           (unsigned int)(fastload[i].address),
4782                                           (unsigned int)(fastload[i].length));
4783                 if (retval == ERROR_OK)
4784                 {
4785                         retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
4786                 }
4787                 size += fastload[i].length;
4788         }
4789         int after = timeval_ms();
4790         command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
4791         return retval;
4792 }
4793
4794 static int jim_mcrmrc(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
4795 {
4796         command_context_t *context;
4797         target_t *target;
4798         int retval;
4799
4800         context = Jim_GetAssocData(interp, "context");
4801         if (context == NULL) {
4802                 LOG_ERROR("array2mem: no command context");
4803                 return JIM_ERR;
4804         }
4805         target = get_current_target(context);
4806         if (target == NULL) {
4807                 LOG_ERROR("array2mem: no current target");
4808                 return JIM_ERR;
4809         }
4810
4811         if ((argc < 6) || (argc > 7))
4812         {
4813                 return JIM_ERR;
4814         }
4815
4816         int cpnum;
4817         uint32_t op1;
4818         uint32_t op2;
4819         uint32_t CRn;
4820         uint32_t CRm;
4821         uint32_t value;
4822
4823         int e;
4824         long l;
4825         e = Jim_GetLong(interp, argv[1], &l);
4826         if (e != JIM_OK) {
4827                 return e;
4828         }
4829         cpnum = l;
4830
4831         e = Jim_GetLong(interp, argv[2], &l);
4832         if (e != JIM_OK) {
4833                 return e;
4834         }
4835         op1 = l;
4836
4837         e = Jim_GetLong(interp, argv[3], &l);
4838         if (e != JIM_OK) {
4839                 return e;
4840         }
4841         op2 = l;
4842
4843         e = Jim_GetLong(interp, argv[4], &l);
4844         if (e != JIM_OK) {
4845                 return e;
4846         }
4847         CRn = l;
4848
4849         e = Jim_GetLong(interp, argv[5], &l);
4850         if (e != JIM_OK) {
4851                 return e;
4852         }
4853         CRm = l;
4854
4855         value = 0;
4856
4857         if (argc == 7)
4858         {
4859                 e = Jim_GetLong(interp, argv[6], &l);
4860                 if (e != JIM_OK) {
4861                         return e;
4862                 }
4863                 value = l;
4864
4865                 retval = target_mcr(target, cpnum, op1, op2, CRn, CRm, value);
4866                 if (retval != ERROR_OK)
4867                         return JIM_ERR;
4868         } else
4869         {
4870                 retval = target_mrc(target, cpnum, op1, op2, CRn, CRm, &value);
4871                 if (retval != ERROR_OK)
4872                         return JIM_ERR;
4873
4874                 Jim_SetResult(interp, Jim_NewIntObj(interp, value));
4875         }
4876
4877         return JIM_OK;
4878 }