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   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2007,2008 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_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  73 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  74
  75 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  76 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  77
  78 /* targets */
  79 extern target_type_t arm7tdmi_target;
  80 extern target_type_t arm720t_target;
  81 extern target_type_t arm9tdmi_target;
  82 extern target_type_t arm920t_target;
  83 extern target_type_t arm966e_target;
  84 extern target_type_t arm926ejs_target;
  85 extern target_type_t feroceon_target;
  86 extern target_type_t xscale_target;
  87 extern target_type_t cortexm3_target;
  88 extern target_type_t cortexa8_target;
  89 extern target_type_t arm11_target;
  90 extern target_type_t mips_m4k_target;
  91 extern target_type_t avr_target;
  92
  93 target_type_t *target_types[] =
  94 {
  95         &arm7tdmi_target,
  96         &arm9tdmi_target,
  97         &arm920t_target,
  98         &arm720t_target,
  99         &arm966e_target,
 100         &arm926ejs_target,
 101         &feroceon_target,
 102         &xscale_target,
 103         &cortexm3_target,
 104         &cortexa8_target,
 105         &arm11_target,
 106         &mips_m4k_target,
 107         &avr_target,
 108         NULL,
 109 };
 110
 111 target_t *all_targets = NULL;
 112 target_event_callback_t *target_event_callbacks = NULL;
 113 target_timer_callback_t *target_timer_callbacks = NULL;
 114
 115 const Jim_Nvp nvp_assert[] = {
 116         { .name = "assert", NVP_ASSERT },
 117         { .name = "deassert", NVP_DEASSERT },
 118         { .name = "T", NVP_ASSERT },
 119         { .name = "F", NVP_DEASSERT },
 120         { .name = "t", NVP_ASSERT },
 121         { .name = "f", NVP_DEASSERT },
 122         { .name = NULL, .value = -1 }
 123 };
 124
 125 const Jim_Nvp nvp_error_target[] = {
 126         { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
 127         { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
 128         { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
 129         { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
 130         { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
 131         { .value = ERROR_TARGET_UNALIGNED_ACCESS   , .name = "err-unaligned-access" },
 132         { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
 133         { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
 134         { .value = ERROR_TARGET_TRANSLATION_FAULT  , .name = "err-translation-fault" },
 135         { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
 136         { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
 137         { .value = -1, .name = NULL }
 138 };
 139
 140 const char *target_strerror_safe( int err )
 141 {
 142         const Jim_Nvp *n;
 143
 144         n = Jim_Nvp_value2name_simple( nvp_error_target, err );
 145         if( n->name == NULL ){
 146                 return "unknown";
 147         } else {
 148                 return n->name;
 149         }
 150 }
 151
 152 static const Jim_Nvp nvp_target_event[] = {
 153         { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
 154         { .value = TARGET_EVENT_OLD_pre_resume         , .name = "old-pre_resume" },
 155
 156         { .value = TARGET_EVENT_EARLY_HALTED, .name = "early-halted" },
 157         { .value = TARGET_EVENT_HALTED, .name = "halted" },
 158         { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
 159         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 160         { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
 161
 162         { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
 163         { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
 164
 165         /* historical name */
 166
 167         { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
 168
 169         { .value = TARGET_EVENT_RESET_ASSERT_PRE,    .name = "reset-assert-pre" },
 170         { .value = TARGET_EVENT_RESET_ASSERT_POST,   .name = "reset-assert-post" },
 171         { .value = TARGET_EVENT_RESET_DEASSERT_PRE,  .name = "reset-deassert-pre" },
 172         { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
 173         { .value = TARGET_EVENT_RESET_HALT_PRE,      .name = "reset-halt-pre" },
 174         { .value = TARGET_EVENT_RESET_HALT_POST,     .name = "reset-halt-post" },
 175         { .value = TARGET_EVENT_RESET_WAIT_PRE,      .name = "reset-wait-pre" },
 176         { .value = TARGET_EVENT_RESET_WAIT_POST,     .name = "reset-wait-post" },
 177         { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
 178         { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
 179
 180         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
 181         { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
 182
 183         { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
 184         { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
 185
 186         { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
 187         { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
 188
 189         { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
 190         { .value = TARGET_EVENT_GDB_FLASH_WRITE_END  , .name = "gdb-flash-write-end"   },
 191
 192         { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
 193         { .value = TARGET_EVENT_GDB_FLASH_ERASE_END  , .name = "gdb-flash-erase-end" },
 194
 195         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 196         { .value = TARGET_EVENT_RESUMED     , .name = "resume-ok" },
 197         { .value = TARGET_EVENT_RESUME_END  , .name = "resume-end" },
 198
 199         { .name = NULL, .value = -1 }
 200 };
 201
 202 const Jim_Nvp nvp_target_state[] = {
 203         { .name = "unknown", .value = TARGET_UNKNOWN },
 204         { .name = "running", .value = TARGET_RUNNING },
 205         { .name = "halted",  .value = TARGET_HALTED },
 206         { .name = "reset",   .value = TARGET_RESET },
 207         { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
 208         { .name = NULL, .value = -1 },
 209 };
 210
 211 const Jim_Nvp nvp_target_debug_reason [] = {
 212         { .name = "debug-request"            , .value = DBG_REASON_DBGRQ },
 213         { .name = "breakpoint"               , .value = DBG_REASON_BREAKPOINT },
 214         { .name = "watchpoint"               , .value = DBG_REASON_WATCHPOINT },
 215         { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
 216         { .name = "single-step"              , .value = DBG_REASON_SINGLESTEP },
 217         { .name = "target-not-halted"        , .value = DBG_REASON_NOTHALTED  },
 218         { .name = "undefined"                , .value = DBG_REASON_UNDEFINED },
 219         { .name = NULL, .value = -1 },
 220 };
 221
 222 const Jim_Nvp nvp_target_endian[] = {
 223         { .name = "big",    .value = TARGET_BIG_ENDIAN },
 224         { .name = "little", .value = TARGET_LITTLE_ENDIAN },
 225         { .name = "be",     .value = TARGET_BIG_ENDIAN },
 226         { .name = "le",     .value = TARGET_LITTLE_ENDIAN },
 227         { .name = NULL,     .value = -1 },
 228 };
 229
 230 const Jim_Nvp nvp_reset_modes[] = {
 231         { .name = "unknown", .value = RESET_UNKNOWN },
 232         { .name = "run"    , .value = RESET_RUN },
 233         { .name = "halt"   , .value = RESET_HALT },
 234         { .name = "init"   , .value = RESET_INIT },
 235         { .name = NULL     , .value = -1 },
 236 };
 237
 238 static int max_target_number(void)
 239 {
 240         target_t *t;
 241         int x;
 242
 243         x = -1;
 244         t = all_targets;
 245         while( t ){
 246                 if( x < t->target_number ){
 247                         x = (t->target_number)+1;
 248                 }
 249                 t = t->next;
 250         }
 251         return x;
 252 }
 253
 254 /* determine the number of the new target */
 255 static int new_target_number(void)
 256 {
 257         target_t *t;
 258         int x;
 259
 260         /* number is 0 based */
 261         x = -1;
 262         t = all_targets;
 263         while(t){
 264                 if( x < t->target_number ){
 265                         x = t->target_number;
 266                 }
 267                 t = t->next;
 268         }
 269         return x+1;
 270 }
 271
 272 static int target_continous_poll = 1;
 273
 274 /* read a u32 from a buffer in target memory endianness */
 275 u32 target_buffer_get_u32(target_t *target, const u8 *buffer)
 276 {
 277         if (target->endianness == TARGET_LITTLE_ENDIAN)
 278                 return le_to_h_u32(buffer);
 279         else
 280                 return be_to_h_u32(buffer);
 281 }
 282
 283 /* read a u16 from a buffer in target memory endianness */
 284 u16 target_buffer_get_u16(target_t *target, const u8 *buffer)
 285 {
 286         if (target->endianness == TARGET_LITTLE_ENDIAN)
 287                 return le_to_h_u16(buffer);
 288         else
 289                 return be_to_h_u16(buffer);
 290 }
 291
 292 /* read a u8 from a buffer in target memory endianness */
 293 u8 target_buffer_get_u8(target_t *target, const u8 *buffer)
 294 {
 295         return *buffer & 0x0ff;
 296 }
 297
 298 /* write a u32 to a buffer in target memory endianness */
 299 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
 300 {
 301         if (target->endianness == TARGET_LITTLE_ENDIAN)
 302                 h_u32_to_le(buffer, value);
 303         else
 304                 h_u32_to_be(buffer, value);
 305 }
 306
 307 /* write a u16 to a buffer in target memory endianness */
 308 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
 309 {
 310         if (target->endianness == TARGET_LITTLE_ENDIAN)
 311                 h_u16_to_le(buffer, value);
 312         else
 313                 h_u16_to_be(buffer, value);
 314 }
 315
 316 /* write a u8 to a buffer in target memory endianness */
 317 void target_buffer_set_u8(target_t *target, u8 *buffer, u8 value)
 318 {
 319         *buffer = value;
 320 }
 321
 322 /* return a pointer to a configured target; id is name or number */
 323 target_t *get_target(const char *id)
 324 {
 325         target_t *target;
 326
 327         /* try as tcltarget name */
 328         for (target = all_targets; target; target = target->next) {
 329                 if (target->cmd_name == NULL)
 330                         continue;
 331                 if (strcmp(id, target->cmd_name) == 0)
 332                         return target;
 333         }
 334
 335         /* no match, try as number */
 336         unsigned num;
 337         if (parse_uint(id, &num) != ERROR_OK)
 338                 return NULL;
 339
 340         for (target = all_targets; target; target = target->next) {
 341                 if (target->target_number == (int)num)
 342                         return target;
 343         }
 344
 345         return NULL;
 346 }
 347
 348 /* returns a pointer to the n-th configured target */
 349 static target_t *get_target_by_num(int num)
 350 {
 351         target_t *target = all_targets;
 352
 353         while (target){
 354                 if( target->target_number == num ){
 355                         return target;
 356                 }
 357                 target = target->next;
 358         }
 359
 360         return NULL;
 361 }
 362
 363 int get_num_by_target(target_t *query_target)
 364 {
 365         return query_target->target_number;
 366 }
 367
 368 target_t* get_current_target(command_context_t *cmd_ctx)
 369 {
 370         target_t *target = get_target_by_num(cmd_ctx->current_target);
 371
 372         if (target == NULL)
 373         {
 374                 LOG_ERROR("BUG: current_target out of bounds");
 375                 exit(-1);
 376         }
 377
 378         return target;
 379 }
 380
 381 int target_poll(struct target_s *target)
 382 {
 383         /* We can't poll until after examine */
 384         if (!target_was_examined(target))
 385         {
 386                 /* Fail silently lest we pollute the log */
 387                 return ERROR_FAIL;
 388         }
 389         return target->type->poll(target);
 390 }
 391
 392 int target_halt(struct target_s *target)
 393 {
 394         /* We can't poll until after examine */
 395         if (!target_was_examined(target))
 396         {
 397                 LOG_ERROR("Target not examined yet");
 398                 return ERROR_FAIL;
 399         }
 400         return target->type->halt(target);
 401 }
 402
 403 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
 404 {
 405         int retval;
 406
 407         /* We can't poll until after examine */
 408         if (!target_was_examined(target))
 409         {
 410                 LOG_ERROR("Target not examined yet");
 411                 return ERROR_FAIL;
 412         }
 413
 414         /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
 415          * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
 416          * the application.
 417          */
 418         if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
 419                 return retval;
 420
 421         return retval;
 422 }
 423
 424 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
 425 {
 426         char buf[100];
 427         int retval;
 428         Jim_Nvp *n;
 429         n = Jim_Nvp_value2name_simple( nvp_reset_modes, reset_mode );
 430         if( n->name == NULL ){
 431                 LOG_ERROR("invalid reset mode");
 432                 return ERROR_FAIL;
 433         }
 434
 435         /* disable polling during reset to make reset event scripts
 436          * more predictable, i.e. dr/irscan & pathmove in events will
 437          * not have JTAG operations injected into the middle of a sequence.
 438          */
 439         int save_poll = target_continous_poll;
 440         target_continous_poll = 0;
 441
 442         sprintf( buf, "ocd_process_reset %s", n->name );
 443         retval = Jim_Eval( interp, buf );
 444
 445         target_continous_poll = save_poll;
 446
 447         if(retval != JIM_OK) {
 448                 Jim_PrintErrorMessage(interp);
 449                 return ERROR_FAIL;
 450         }
 451
 452         /* We want any events to be processed before the prompt */
 453         retval = target_call_timer_callbacks_now();
 454
 455         return retval;
 456 }
 457
 458 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
 459 {
 460         *physical = virtual;
 461         return ERROR_OK;
 462 }
 463
 464 static int default_mmu(struct target_s *target, int *enabled)
 465 {
 466         *enabled = 0;
 467         return ERROR_OK;
 468 }
 469
 470 static int default_examine(struct target_s *target)
 471 {
 472         target_set_examined(target);
 473         return ERROR_OK;
 474 }
 475
 476 int target_examine_one(struct target_s *target)
 477 {
 478         return target->type->examine(target);
 479 }
 480
 481 /* Targets that correctly implement init+examine, i.e.
 482  * no communication with target during init:
 483  *
 484  * XScale
 485  */
 486 int target_examine(void)
 487 {
 488         int retval = ERROR_OK;
 489         target_t *target;
 490
 491         for (target = all_targets; target; target = target->next)
 492         {
 493                 if (!target->tap->enabled)
 494                         continue;
 495                 if ((retval = target_examine_one(target)) != ERROR_OK)
 496                         return retval;
 497         }
 498         return retval;
 499 }
 500 const char *target_get_name(struct target_s *target)
 501 {
 502         return target->type->name;
 503 }
 504
 505 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 506 {
 507         if (!target_was_examined(target))
 508         {
 509                 LOG_ERROR("Target not examined yet");
 510                 return ERROR_FAIL;
 511         }
 512         return target->type->write_memory_imp(target, address, size, count, buffer);
 513 }
 514
 515 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 516 {
 517         if (!target_was_examined(target))
 518         {
 519                 LOG_ERROR("Target not examined yet");
 520                 return ERROR_FAIL;
 521         }
 522         return target->type->read_memory_imp(target, address, size, count, buffer);
 523 }
 524
 525 static int target_soft_reset_halt_imp(struct target_s *target)
 526 {
 527         if (!target_was_examined(target))
 528         {
 529                 LOG_ERROR("Target not examined yet");
 530                 return ERROR_FAIL;
 531         }
 532         return target->type->soft_reset_halt_imp(target);
 533 }
 534
 535 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, u32 entry_point, u32 exit_point, int timeout_ms, void *arch_info)
 536 {
 537         if (!target_was_examined(target))
 538         {
 539                 LOG_ERROR("Target not examined yet");
 540                 return ERROR_FAIL;
 541         }
 542         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);
 543 }
 544
 545 int target_read_memory(struct target_s *target,
 546                 u32 address, u32 size, u32 count, u8 *buffer)
 547 {
 548         return target->type->read_memory(target, address, size, count, buffer);
 549 }
 550
 551 int target_write_memory(struct target_s *target,
 552                 u32 address, u32 size, u32 count, u8 *buffer)
 553 {
 554         return target->type->write_memory(target, address, size, count, buffer);
 555 }
 556 int target_bulk_write_memory(struct target_s *target,
 557                 u32 address, u32 count, u8 *buffer)
 558 {
 559         return target->type->bulk_write_memory(target, address, count, buffer);
 560 }
 561
 562 int target_add_breakpoint(struct target_s *target,
 563                 struct breakpoint_s *breakpoint)
 564 {
 565         return target->type->add_breakpoint(target, breakpoint);
 566 }
 567 int target_remove_breakpoint(struct target_s *target,
 568                 struct breakpoint_s *breakpoint)
 569 {
 570         return target->type->remove_breakpoint(target, breakpoint);
 571 }
 572
 573 int target_add_watchpoint(struct target_s *target,
 574                 struct watchpoint_s *watchpoint)
 575 {
 576         return target->type->add_watchpoint(target, watchpoint);
 577 }
 578 int target_remove_watchpoint(struct target_s *target,
 579                 struct watchpoint_s *watchpoint)
 580 {
 581         return target->type->remove_watchpoint(target, watchpoint);
 582 }
 583
 584 int target_get_gdb_reg_list(struct target_s *target,
 585                 struct reg_s **reg_list[], int *reg_list_size)
 586 {
 587         return target->type->get_gdb_reg_list(target, reg_list, reg_list_size);
 588 }
 589 int target_step(struct target_s *target,
 590                 int current, u32 address, int handle_breakpoints)
 591 {
 592         return target->type->step(target, current, address, handle_breakpoints);
 593 }
 594
 595
 596 int target_run_algorithm(struct target_s *target,
 597                 int num_mem_params, mem_param_t *mem_params,
 598                 int num_reg_params, reg_param_t *reg_param,
 599                 u32 entry_point, u32 exit_point,
 600                 int timeout_ms, void *arch_info)
 601 {
 602         return target->type->run_algorithm(target,
 603                         num_mem_params, mem_params, num_reg_params, reg_param,
 604                         entry_point, exit_point, timeout_ms, arch_info);
 605 }
 606
 607 /// @returns @c true if the target has been examined.
 608 bool target_was_examined(struct target_s *target)
 609 {
 610         return target->type->examined;
 611 }
 612 /// Sets the @c examined flag for the given target.
 613 void target_set_examined(struct target_s *target)
 614 {
 615         target->type->examined = true;
 616 }
 617 // Reset the @c examined flag for the given target.
 618 void target_reset_examined(struct target_s *target)
 619 {
 620         target->type->examined = false;
 621 }
 622
 623
 624 int target_init(struct command_context_s *cmd_ctx)
 625 {
 626         target_t *target = all_targets;
 627         int retval;
 628
 629         while (target)
 630         {
 631                 target_reset_examined(target);
 632                 if (target->type->examine == NULL)
 633                 {
 634                         target->type->examine = default_examine;
 635                 }
 636
 637                 if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
 638                 {
 639                         LOG_ERROR("target '%s' init failed", target_get_name(target));
 640                         return retval;
 641                 }
 642
 643                 /* Set up default functions if none are provided by target */
 644                 if (target->type->virt2phys == NULL)
 645                 {
 646                         target->type->virt2phys = default_virt2phys;
 647                 }
 648                 target->type->virt2phys = default_virt2phys;
 649                 /* a non-invasive way(in terms of patches) to add some code that
 650                  * runs before the type->write/read_memory implementation
 651                  */
 652                 target->type->write_memory_imp = target->type->write_memory;
 653                 target->type->write_memory = target_write_memory_imp;
 654                 target->type->read_memory_imp = target->type->read_memory;
 655                 target->type->read_memory = target_read_memory_imp;
 656                 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
 657                 target->type->soft_reset_halt = target_soft_reset_halt_imp;
 658                 target->type->run_algorithm_imp = target->type->run_algorithm;
 659                 target->type->run_algorithm = target_run_algorithm_imp;
 660
 661                 if (target->type->mmu == NULL)
 662                 {
 663                         target->type->mmu = default_mmu;
 664                 }
 665                 target = target->next;
 666         }
 667
 668         if (all_targets)
 669         {
 670                 if((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
 671                         return retval;
 672                 if((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
 673                         return retval;
 674         }
 675
 676         return ERROR_OK;
 677 }
 678
 679 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 680 {
 681         target_event_callback_t **callbacks_p = &target_event_callbacks;
 682
 683         if (callback == NULL)
 684         {
 685                 return ERROR_INVALID_ARGUMENTS;
 686         }
 687
 688         if (*callbacks_p)
 689         {
 690                 while ((*callbacks_p)->next)
 691                         callbacks_p = &((*callbacks_p)->next);
 692                 callbacks_p = &((*callbacks_p)->next);
 693         }
 694
 695         (*callbacks_p) = malloc(sizeof(target_event_callback_t));
 696         (*callbacks_p)->callback = callback;
 697         (*callbacks_p)->priv = priv;
 698         (*callbacks_p)->next = NULL;
 699
 700         return ERROR_OK;
 701 }
 702
 703 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
 704 {
 705         target_timer_callback_t **callbacks_p = &target_timer_callbacks;
 706         struct timeval now;
 707
 708         if (callback == NULL)
 709         {
 710                 return ERROR_INVALID_ARGUMENTS;
 711         }
 712
 713         if (*callbacks_p)
 714         {
 715                 while ((*callbacks_p)->next)
 716                         callbacks_p = &((*callbacks_p)->next);
 717                 callbacks_p = &((*callbacks_p)->next);
 718         }
 719
 720         (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
 721         (*callbacks_p)->callback = callback;
 722         (*callbacks_p)->periodic = periodic;
 723         (*callbacks_p)->time_ms = time_ms;
 724
 725         gettimeofday(&now, NULL);
 726         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 727         time_ms -= (time_ms % 1000);
 728         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
 729         if ((*callbacks_p)->when.tv_usec > 1000000)
 730         {
 731                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
 732                 (*callbacks_p)->when.tv_sec += 1;
 733         }
 734
 735         (*callbacks_p)->priv = priv;
 736         (*callbacks_p)->next = NULL;
 737
 738         return ERROR_OK;
 739 }
 740
 741 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 742 {
 743         target_event_callback_t **p = &target_event_callbacks;
 744         target_event_callback_t *c = target_event_callbacks;
 745
 746         if (callback == NULL)
 747         {
 748                 return ERROR_INVALID_ARGUMENTS;
 749         }
 750
 751         while (c)
 752         {
 753                 target_event_callback_t *next = c->next;
 754                 if ((c->callback == callback) && (c->priv == priv))
 755                 {
 756                         *p = next;
 757                         free(c);
 758                         return ERROR_OK;
 759                 }
 760                 else
 761                         p = &(c->next);
 762                 c = next;
 763         }
 764
 765         return ERROR_OK;
 766 }
 767
 768 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
 769 {
 770         target_timer_callback_t **p = &target_timer_callbacks;
 771         target_timer_callback_t *c = target_timer_callbacks;
 772
 773         if (callback == NULL)
 774         {
 775                 return ERROR_INVALID_ARGUMENTS;
 776         }
 777
 778         while (c)
 779         {
 780                 target_timer_callback_t *next = c->next;
 781                 if ((c->callback == callback) && (c->priv == priv))
 782                 {
 783                         *p = next;
 784                         free(c);
 785                         return ERROR_OK;
 786                 }
 787                 else
 788                         p = &(c->next);
 789                 c = next;
 790         }
 791
 792         return ERROR_OK;
 793 }
 794
 795 int target_call_event_callbacks(target_t *target, enum target_event event)
 796 {
 797         target_event_callback_t *callback = target_event_callbacks;
 798         target_event_callback_t *next_callback;
 799
 800         if (event == TARGET_EVENT_HALTED)
 801         {
 802                 /* execute early halted first */
 803                 target_call_event_callbacks(target, TARGET_EVENT_EARLY_HALTED);
 804         }
 805
 806         LOG_DEBUG("target event %i (%s)",
 807                           event,
 808                           Jim_Nvp_value2name_simple( nvp_target_event, event )->name );
 809
 810         target_handle_event( target, event );
 811
 812         while (callback)
 813         {
 814                 next_callback = callback->next;
 815                 callback->callback(target, event, callback->priv);
 816                 callback = next_callback;
 817         }
 818
 819         return ERROR_OK;
 820 }
 821
 822 static int target_timer_callback_periodic_restart(
 823                 target_timer_callback_t *cb, struct timeval *now)
 824 {
 825         int time_ms = cb->time_ms;
 826         cb->when.tv_usec = now->tv_usec + (time_ms % 1000) * 1000;
 827         time_ms -= (time_ms % 1000);
 828         cb->when.tv_sec = now->tv_sec + time_ms / 1000;
 829         if (cb->when.tv_usec > 1000000)
 830         {
 831                 cb->when.tv_usec = cb->when.tv_usec - 1000000;
 832                 cb->when.tv_sec += 1;
 833         }
 834         return ERROR_OK;
 835 }
 836
 837 static int target_call_timer_callback(target_timer_callback_t *cb,
 838                 struct timeval *now)
 839 {
 840         cb->callback(cb->priv);
 841
 842         if (cb->periodic)
 843                 return target_timer_callback_periodic_restart(cb, now);
 844
 845         return target_unregister_timer_callback(cb->callback, cb->priv);
 846 }
 847
 848 static int target_call_timer_callbacks_check_time(int checktime)
 849 {
 850         keep_alive();
 851
 852         struct timeval now;
 853         gettimeofday(&now, NULL);
 854
 855         target_timer_callback_t *callback = target_timer_callbacks;
 856         while (callback)
 857         {
 858                 // cleaning up may unregister and free this callback
 859                 target_timer_callback_t *next_callback = callback->next;
 860
 861                 bool call_it = callback->callback &&
 862                         ((!checktime && callback->periodic) ||
 863                           now.tv_sec > callback->when.tv_sec ||
 864                          (now.tv_sec == callback->when.tv_sec &&
 865                           now.tv_usec >= callback->when.tv_usec));
 866
 867                 if (call_it)
 868                 {
 869                         int retval = target_call_timer_callback(callback, &now);
 870                         if (retval != ERROR_OK)
 871                                 return retval;
 872                 }
 873
 874                 callback = next_callback;
 875         }
 876
 877         return ERROR_OK;
 878 }
 879
 880 int target_call_timer_callbacks(void)
 881 {
 882         return target_call_timer_callbacks_check_time(1);
 883 }
 884
 885 /* invoke periodic callbacks immediately */
 886 int target_call_timer_callbacks_now(void)
 887 {
 888         return target_call_timer_callbacks_check_time(0);
 889 }
 890
 891 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
 892 {
 893         working_area_t *c = target->working_areas;
 894         working_area_t *new_wa = NULL;
 895
 896         /* Reevaluate working area address based on MMU state*/
 897         if (target->working_areas == NULL)
 898         {
 899                 int retval;
 900                 int enabled;
 901                 retval = target->type->mmu(target, &enabled);
 902                 if (retval != ERROR_OK)
 903                 {
 904                         return retval;
 905                 }
 906                 if (enabled)
 907                 {
 908                         target->working_area = target->working_area_virt;
 909                 }
 910                 else
 911                 {
 912                         target->working_area = target->working_area_phys;
 913                 }
 914         }
 915
 916         /* only allocate multiples of 4 byte */
 917         if (size % 4)
 918         {
 919                 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
 920                 size = CEIL(size, 4);
 921         }
 922
 923         /* see if there's already a matching working area */
 924         while (c)
 925         {
 926                 if ((c->free) && (c->size == size))
 927                 {
 928                         new_wa = c;
 929                         break;
 930                 }
 931                 c = c->next;
 932         }
 933
 934         /* if not, allocate a new one */
 935         if (!new_wa)
 936         {
 937                 working_area_t **p = &target->working_areas;
 938                 u32 first_free = target->working_area;
 939                 u32 free_size = target->working_area_size;
 940
 941                 LOG_DEBUG("allocating new working area");
 942
 943                 c = target->working_areas;
 944                 while (c)
 945                 {
 946                         first_free += c->size;
 947                         free_size -= c->size;
 948                         p = &c->next;
 949                         c = c->next;
 950                 }
 951
 952                 if (free_size < size)
 953                 {
 954                         LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
 955                         return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
 956                 }
 957
 958                 new_wa = malloc(sizeof(working_area_t));
 959                 new_wa->next = NULL;
 960                 new_wa->size = size;
 961                 new_wa->address = first_free;
 962
 963                 if (target->backup_working_area)
 964                 {
 965                         int retval;
 966                         new_wa->backup = malloc(new_wa->size);
 967                         if((retval = target_read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
 968                         {
 969                                 free(new_wa->backup);
 970                                 free(new_wa);
 971                                 return retval;
 972                         }
 973                 }
 974                 else
 975                 {
 976                         new_wa->backup = NULL;
 977                 }
 978
 979                 /* put new entry in list */
 980                 *p = new_wa;
 981         }
 982
 983         /* mark as used, and return the new (reused) area */
 984         new_wa->free = 0;
 985         *area = new_wa;
 986
 987         /* user pointer */
 988         new_wa->user = area;
 989
 990         return ERROR_OK;
 991 }
 992
 993 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
 994 {
 995         if (area->free)
 996                 return ERROR_OK;
 997
 998         if (restore&&target->backup_working_area)
 999         {
1000                 int retval;
1001                 if((retval = target_write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
1002                         return retval;
1003         }
1004
1005         area->free = 1;
1006
1007         /* mark user pointer invalid */
1008         *area->user = NULL;
1009         area->user = NULL;
1010
1011         return ERROR_OK;
1012 }
1013
1014 int target_free_working_area(struct target_s *target, working_area_t *area)
1015 {
1016         return target_free_working_area_restore(target, area, 1);
1017 }
1018
1019 /* free resources and restore memory, if restoring memory fails,
1020  * free up resources anyway
1021  */
1022 void target_free_all_working_areas_restore(struct target_s *target, int restore)
1023 {
1024         working_area_t *c = target->working_areas;
1025
1026         while (c)
1027         {
1028                 working_area_t *next = c->next;
1029                 target_free_working_area_restore(target, c, restore);
1030
1031                 if (c->backup)
1032                         free(c->backup);
1033
1034                 free(c);
1035
1036                 c = next;
1037         }
1038
1039         target->working_areas = NULL;
1040 }
1041
1042 void target_free_all_working_areas(struct target_s *target)
1043 {
1044         target_free_all_working_areas_restore(target, 1);
1045 }
1046
1047 int target_register_commands(struct command_context_s *cmd_ctx)
1048 {
1049
1050         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)");
1051
1052
1053
1054
1055         register_jim(cmd_ctx, "target", jim_target, "configure target" );
1056
1057         return ERROR_OK;
1058 }
1059
1060 int target_arch_state(struct target_s *target)
1061 {
1062         int retval;
1063         if (target==NULL)
1064         {
1065                 LOG_USER("No target has been configured");
1066                 return ERROR_OK;
1067         }
1068
1069         LOG_USER("target state: %s",
1070                  Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name);
1071
1072         if (target->state!=TARGET_HALTED)
1073                 return ERROR_OK;
1074
1075         retval=target->type->arch_state(target);
1076         return retval;
1077 }
1078
1079 /* Single aligned words are guaranteed to use 16 or 32 bit access
1080  * mode respectively, otherwise data is handled as quickly as
1081  * possible
1082  */
1083 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1084 {
1085         int retval;
1086         LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
1087
1088         if (!target_was_examined(target))
1089         {
1090                 LOG_ERROR("Target not examined yet");
1091                 return ERROR_FAIL;
1092         }
1093
1094         if (size == 0) {
1095                 return ERROR_OK;
1096         }
1097
1098         if ((address + size - 1) < address)
1099         {
1100                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1101                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1102                 return ERROR_FAIL;
1103         }
1104
1105         if (((address % 2) == 0) && (size == 2))
1106         {
1107                 return target_write_memory(target, address, 2, 1, buffer);
1108         }
1109
1110         /* handle unaligned head bytes */
1111         if (address % 4)
1112         {
1113                 u32 unaligned = 4 - (address % 4);
1114
1115                 if (unaligned > size)
1116                         unaligned = size;
1117
1118                 if ((retval = target_write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1119                         return retval;
1120
1121                 buffer += unaligned;
1122                 address += unaligned;
1123                 size -= unaligned;
1124         }
1125
1126         /* handle aligned words */
1127         if (size >= 4)
1128         {
1129                 int aligned = size - (size % 4);
1130
1131                 /* use bulk writes above a certain limit. This may have to be changed */
1132                 if (aligned > 128)
1133                 {
1134                         if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1135                                 return retval;
1136                 }
1137                 else
1138                 {
1139                         if ((retval = target_write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1140                                 return retval;
1141                 }
1142
1143                 buffer += aligned;
1144                 address += aligned;
1145                 size -= aligned;
1146         }
1147
1148         /* handle tail writes of less than 4 bytes */
1149         if (size > 0)
1150         {
1151                 if ((retval = target_write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1152                         return retval;
1153         }
1154
1155         return ERROR_OK;
1156 }
1157
1158 /* Single aligned words are guaranteed to use 16 or 32 bit access
1159  * mode respectively, otherwise data is handled as quickly as
1160  * possible
1161  */
1162 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1163 {
1164         int retval;
1165         LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1166
1167         if (!target_was_examined(target))
1168         {
1169                 LOG_ERROR("Target not examined yet");
1170                 return ERROR_FAIL;
1171         }
1172
1173         if (size == 0) {
1174                 return ERROR_OK;
1175         }
1176
1177         if ((address + size - 1) < address)
1178         {
1179                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1180                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1181                 return ERROR_FAIL;
1182         }
1183
1184         if (((address % 2) == 0) && (size == 2))
1185         {
1186                 return target_read_memory(target, address, 2, 1, buffer);
1187         }
1188
1189         /* handle unaligned head bytes */
1190         if (address % 4)
1191         {
1192                 u32 unaligned = 4 - (address % 4);
1193
1194                 if (unaligned > size)
1195                         unaligned = size;
1196
1197                 if ((retval = target_read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1198                         return retval;
1199
1200                 buffer += unaligned;
1201                 address += unaligned;
1202                 size -= unaligned;
1203         }
1204
1205         /* handle aligned words */
1206         if (size >= 4)
1207         {
1208                 int aligned = size - (size % 4);
1209
1210                 if ((retval = target_read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1211                         return retval;
1212
1213                 buffer += aligned;
1214                 address += aligned;
1215                 size -= aligned;
1216         }
1217
1218         /* handle tail writes of less than 4 bytes */
1219         if (size > 0)
1220         {
1221                 if ((retval = target_read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1222                         return retval;
1223         }
1224
1225         return ERROR_OK;
1226 }
1227
1228 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1229 {
1230         u8 *buffer;
1231         int retval;
1232         u32 i;
1233         u32 checksum = 0;
1234         if (!target_was_examined(target))
1235         {
1236                 LOG_ERROR("Target not examined yet");
1237                 return ERROR_FAIL;
1238         }
1239
1240         if ((retval = target->type->checksum_memory(target, address,
1241                 size, &checksum)) != ERROR_OK)
1242         {
1243                 buffer = malloc(size);
1244                 if (buffer == NULL)
1245                 {
1246                         LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1247                         return ERROR_INVALID_ARGUMENTS;
1248                 }
1249                 retval = target_read_buffer(target, address, size, buffer);
1250                 if (retval != ERROR_OK)
1251                 {
1252                         free(buffer);
1253                         return retval;
1254                 }
1255
1256                 /* convert to target endianess */
1257                 for (i = 0; i < (size/sizeof(u32)); i++)
1258                 {
1259                         u32 target_data;
1260                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1261                         target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1262                 }
1263
1264                 retval = image_calculate_checksum( buffer, size, &checksum );
1265                 free(buffer);
1266         }
1267
1268         *crc = checksum;
1269
1270         return retval;
1271 }
1272
1273 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1274 {
1275         int retval;
1276         if (!target_was_examined(target))
1277         {
1278                 LOG_ERROR("Target not examined yet");
1279                 return ERROR_FAIL;
1280         }
1281
1282         if (target->type->blank_check_memory == 0)
1283                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1284
1285         retval = target->type->blank_check_memory(target, address, size, blank);
1286
1287         return retval;
1288 }
1289
1290 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1291 {
1292         u8 value_buf[4];
1293         if (!target_was_examined(target))
1294         {
1295                 LOG_ERROR("Target not examined yet");
1296                 return ERROR_FAIL;
1297         }
1298
1299         int retval = target_read_memory(target, address, 4, 1, value_buf);
1300
1301         if (retval == ERROR_OK)
1302         {
1303                 *value = target_buffer_get_u32(target, value_buf);
1304                 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1305         }
1306         else
1307         {
1308                 *value = 0x0;
1309                 LOG_DEBUG("address: 0x%8.8x failed", address);
1310         }
1311
1312         return retval;
1313 }
1314
1315 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1316 {
1317         u8 value_buf[2];
1318         if (!target_was_examined(target))
1319         {
1320                 LOG_ERROR("Target not examined yet");
1321                 return ERROR_FAIL;
1322         }
1323
1324         int retval = target_read_memory(target, address, 2, 1, value_buf);
1325
1326         if (retval == ERROR_OK)
1327         {
1328                 *value = target_buffer_get_u16(target, value_buf);
1329                 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1330         }
1331         else
1332         {
1333                 *value = 0x0;
1334                 LOG_DEBUG("address: 0x%8.8x failed", address);
1335         }
1336
1337         return retval;
1338 }
1339
1340 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1341 {
1342         int retval = target_read_memory(target, address, 1, 1, value);
1343         if (!target_was_examined(target))
1344         {
1345                 LOG_ERROR("Target not examined yet");
1346                 return ERROR_FAIL;
1347         }
1348
1349         if (retval == ERROR_OK)
1350         {
1351                 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1352         }
1353         else
1354         {
1355                 *value = 0x0;
1356                 LOG_DEBUG("address: 0x%8.8x failed", address);
1357         }
1358
1359         return retval;
1360 }
1361
1362 int target_write_u32(struct target_s *target, u32 address, u32 value)
1363 {
1364         int retval;
1365         u8 value_buf[4];
1366         if (!target_was_examined(target))
1367         {
1368                 LOG_ERROR("Target not examined yet");
1369                 return ERROR_FAIL;
1370         }
1371
1372         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1373
1374         target_buffer_set_u32(target, value_buf, value);
1375         if ((retval = target_write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1376         {
1377                 LOG_DEBUG("failed: %i", retval);
1378         }
1379
1380         return retval;
1381 }
1382
1383 int target_write_u16(struct target_s *target, u32 address, u16 value)
1384 {
1385         int retval;
1386         u8 value_buf[2];
1387         if (!target_was_examined(target))
1388         {
1389                 LOG_ERROR("Target not examined yet");
1390                 return ERROR_FAIL;
1391         }
1392
1393         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1394
1395         target_buffer_set_u16(target, value_buf, value);
1396         if ((retval = target_write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1397         {
1398                 LOG_DEBUG("failed: %i", retval);
1399         }
1400
1401         return retval;
1402 }
1403
1404 int target_write_u8(struct target_s *target, u32 address, u8 value)
1405 {
1406         int retval;
1407         if (!target_was_examined(target))
1408         {
1409                 LOG_ERROR("Target not examined yet");
1410                 return ERROR_FAIL;
1411         }
1412
1413         LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1414
1415         if ((retval = target_write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1416         {
1417                 LOG_DEBUG("failed: %i", retval);
1418         }
1419
1420         return retval;
1421 }
1422
1423 int target_register_user_commands(struct command_context_s *cmd_ctx)
1424 {
1425         int retval = ERROR_OK;
1426
1427
1428         /* script procedures */
1429         register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "profiling samples the CPU PC");
1430         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>");
1431         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>");
1432
1433         register_command(cmd_ctx, NULL, "fast_load_image", handle_fast_load_image_command, COMMAND_ANY,
1434                         "same args as load_image, image stored in memory - mainly for profiling purposes");
1435
1436         register_command(cmd_ctx, NULL, "fast_load", handle_fast_load_command, COMMAND_ANY,
1437                         "loads active fast load image to current target - mainly for profiling purposes");
1438
1439
1440         register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "translate a virtual address into a physical address");
1441         register_command(cmd_ctx,  NULL, "reg", handle_reg_command, COMMAND_EXEC, "display or set a register");
1442         register_command(cmd_ctx,  NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1443         register_command(cmd_ctx,  NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1444         register_command(cmd_ctx,  NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1445         register_command(cmd_ctx,  NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1446         register_command(cmd_ctx,  NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1447         register_command(cmd_ctx,  NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init] - default is run");
1448         register_command(cmd_ctx,  NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1449
1450         register_command(cmd_ctx,  NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1451         register_command(cmd_ctx,  NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1452         register_command(cmd_ctx,  NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1453
1454         register_command(cmd_ctx,  NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1455         register_command(cmd_ctx,  NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1456         register_command(cmd_ctx,  NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1457
1458         register_command(cmd_ctx,  NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1459         register_command(cmd_ctx,  NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1460         register_command(cmd_ctx,  NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1461         register_command(cmd_ctx,  NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1462
1463         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]");
1464         register_command(cmd_ctx,  NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1465         register_command(cmd_ctx,  NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1466         register_command(cmd_ctx,  NULL, "test_image", handle_test_image_command, COMMAND_EXEC, "test_image <file> [offset] [type]");
1467
1468         if((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
1469                 return retval;
1470         if((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
1471                 return retval;
1472
1473         return retval;
1474 }
1475
1476 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1477 {
1478         target_t *target = all_targets;
1479
1480         if (argc == 1)
1481         {
1482                 target = get_target(args[0]);
1483                 if (target == NULL) {
1484                         command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0] );
1485                         goto DumpTargets;
1486                 }
1487                 if (!target->tap->enabled) {
1488                         command_print(cmd_ctx,"Target: TAP %s is disabled, "
1489                                         "can't be the current target\n",
1490                                         target->tap->dotted_name);
1491                         return ERROR_FAIL;
1492                 }
1493
1494                 cmd_ctx->current_target = target->target_number;
1495                 return ERROR_OK;
1496         }
1497 DumpTargets:
1498
1499         target = all_targets;
1500         command_print(cmd_ctx, "    TargetName         Type       Endian TapName            State       ");
1501         command_print(cmd_ctx, "--  ------------------ ---------- ------ ------------------ ------------");
1502         while (target)
1503         {
1504                 const char *state;
1505                 char marker = ' ';
1506
1507                 if (target->tap->enabled)
1508                         state = Jim_Nvp_value2name_simple(nvp_target_state,
1509                                         target->state)->name;
1510                 else
1511                         state = "tap-disabled";
1512
1513                 if (cmd_ctx->current_target == target->target_number)
1514                         marker = '*';
1515
1516                 /* keep columns lined up to match the headers above */
1517                 command_print(cmd_ctx, "%2d%c %-18s %-10s %-6s %-18s %s",
1518                                           target->target_number,
1519                                           marker,
1520                                           target->cmd_name,
1521                                           target_get_name(target),
1522                                           Jim_Nvp_value2name_simple(nvp_target_endian,
1523                                                                 target->endianness)->name,
1524                                           target->tap->dotted_name,
1525                                           state);
1526                 target = target->next;
1527         }
1528
1529         return ERROR_OK;
1530 }
1531
1532 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1533
1534 static int powerDropout;
1535 static int srstAsserted;
1536
1537 static int runPowerRestore;
1538 static int runPowerDropout;
1539 static int runSrstAsserted;
1540 static int runSrstDeasserted;
1541
1542 static int sense_handler(void)
1543 {
1544         static int prevSrstAsserted = 0;
1545         static int prevPowerdropout = 0;
1546
1547         int retval;
1548         if ((retval=jtag_power_dropout(&powerDropout))!=ERROR_OK)
1549                 return retval;
1550
1551         int powerRestored;
1552         powerRestored = prevPowerdropout && !powerDropout;
1553         if (powerRestored)
1554         {
1555                 runPowerRestore = 1;
1556         }
1557
1558         long long current = timeval_ms();
1559         static long long lastPower = 0;
1560         int waitMore = lastPower + 2000 > current;
1561         if (powerDropout && !waitMore)
1562         {
1563                 runPowerDropout = 1;
1564                 lastPower = current;
1565         }
1566
1567         if ((retval=jtag_srst_asserted(&srstAsserted))!=ERROR_OK)
1568                 return retval;
1569
1570         int srstDeasserted;
1571         srstDeasserted = prevSrstAsserted && !srstAsserted;
1572
1573         static long long lastSrst = 0;
1574         waitMore = lastSrst + 2000 > current;
1575         if (srstDeasserted && !waitMore)
1576         {
1577                 runSrstDeasserted = 1;
1578                 lastSrst = current;
1579         }
1580
1581         if (!prevSrstAsserted && srstAsserted)
1582         {
1583                 runSrstAsserted = 1;
1584         }
1585
1586         prevSrstAsserted = srstAsserted;
1587         prevPowerdropout = powerDropout;
1588
1589         if (srstDeasserted || powerRestored)
1590         {
1591                 /* Other than logging the event we can't do anything here.
1592                  * Issuing a reset is a particularly bad idea as we might
1593                  * be inside a reset already.
1594                  */
1595         }
1596
1597         return ERROR_OK;
1598 }
1599
1600 /* process target state changes */
1601 int handle_target(void *priv)
1602 {
1603         int retval = ERROR_OK;
1604
1605         /* we do not want to recurse here... */
1606         static int recursive = 0;
1607         if (! recursive)
1608         {
1609                 recursive = 1;
1610                 sense_handler();
1611                 /* danger! running these procedures can trigger srst assertions and power dropouts.
1612                  * We need to avoid an infinite loop/recursion here and we do that by
1613                  * clearing the flags after running these events.
1614                  */
1615                 int did_something = 0;
1616                 if (runSrstAsserted)
1617                 {
1618                         Jim_Eval( interp, "srst_asserted");
1619                         did_something = 1;
1620                 }
1621                 if (runSrstDeasserted)
1622                 {
1623                         Jim_Eval( interp, "srst_deasserted");
1624                         did_something = 1;
1625                 }
1626                 if (runPowerDropout)
1627                 {
1628                         Jim_Eval( interp, "power_dropout");
1629                         did_something = 1;
1630                 }
1631                 if (runPowerRestore)
1632                 {
1633                         Jim_Eval( interp, "power_restore");
1634                         did_something = 1;
1635                 }
1636
1637                 if (did_something)
1638                 {
1639                         /* clear detect flags */
1640                         sense_handler();
1641                 }
1642
1643                 /* clear action flags */
1644
1645                 runSrstAsserted=0;
1646                 runSrstDeasserted=0;
1647                 runPowerRestore=0;
1648                 runPowerDropout=0;
1649
1650                 recursive = 0;
1651         }
1652
1653         target_t *target = all_targets;
1654
1655         while (target)
1656         {
1657
1658                 /* only poll target if we've got power and srst isn't asserted */
1659                 if (target_continous_poll&&!powerDropout&&!srstAsserted)
1660                 {
1661                         /* polling may fail silently until the target has been examined */
1662                         if((retval = target_poll(target)) != ERROR_OK)
1663                                 return retval;
1664                 }
1665
1666                 target = target->next;
1667         }
1668
1669         return retval;
1670 }
1671
1672 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1673 {
1674         target_t *target;
1675         reg_t *reg = NULL;
1676         int count = 0;
1677         char *value;
1678
1679         LOG_DEBUG("-");
1680
1681         target = get_current_target(cmd_ctx);
1682
1683         /* list all available registers for the current target */
1684         if (argc == 0)
1685         {
1686                 reg_cache_t *cache = target->reg_cache;
1687
1688                 count = 0;
1689                 while(cache)
1690                 {
1691                         int i;
1692                         for (i = 0; i < cache->num_regs; i++)
1693                         {
1694                                 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1695                                 command_print(cmd_ctx, "(%i) %s (/%i): 0x%s (dirty: %i, valid: %i)", count++, cache->reg_list[i].name, cache->reg_list[i].size, value, cache->reg_list[i].dirty, cache->reg_list[i].valid);
1696                                 free(value);
1697                         }
1698                         cache = cache->next;
1699                 }
1700
1701                 return ERROR_OK;
1702         }
1703
1704         /* access a single register by its ordinal number */
1705         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1706         {
1707                 int num = strtoul(args[0], NULL, 0);
1708                 reg_cache_t *cache = target->reg_cache;
1709
1710                 count = 0;
1711                 while(cache)
1712                 {
1713                         int i;
1714                         for (i = 0; i < cache->num_regs; i++)
1715                         {
1716                                 if (count++ == num)
1717                                 {
1718                                         reg = &cache->reg_list[i];
1719                                         break;
1720                                 }
1721                         }
1722                         if (reg)
1723                                 break;
1724                         cache = cache->next;
1725                 }
1726
1727                 if (!reg)
1728                 {
1729                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1730                         return ERROR_OK;
1731                 }
1732         } else /* access a single register by its name */
1733         {
1734                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1735
1736                 if (!reg)
1737                 {
1738                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1739                         return ERROR_OK;
1740                 }
1741         }
1742
1743         /* display a register */
1744         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1745         {
1746                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1747                         reg->valid = 0;
1748
1749                 if (reg->valid == 0)
1750                 {
1751                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1752                         arch_type->get(reg);
1753                 }
1754                 value = buf_to_str(reg->value, reg->size, 16);
1755                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1756                 free(value);
1757                 return ERROR_OK;
1758         }
1759
1760         /* set register value */
1761         if (argc == 2)
1762         {
1763                 u8 *buf = malloc(CEIL(reg->size, 8));
1764                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1765
1766                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1767                 arch_type->set(reg, buf);
1768
1769                 value = buf_to_str(reg->value, reg->size, 16);
1770                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1771                 free(value);
1772
1773                 free(buf);
1774
1775                 return ERROR_OK;
1776         }
1777
1778         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1779
1780         return ERROR_OK;
1781 }
1782
1783 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1784 {
1785         int retval = ERROR_OK;
1786         target_t *target = get_current_target(cmd_ctx);
1787
1788         if (argc == 0)
1789         {
1790                 command_print(cmd_ctx, "background polling: %s",
1791                                 target_continous_poll ?  "on" : "off");
1792                 if ((retval = target_poll(target)) != ERROR_OK)
1793                         return retval;
1794                 if ((retval = target_arch_state(target)) != ERROR_OK)
1795                         return retval;
1796
1797         }
1798         else if (argc==1)
1799         {
1800                 if (strcmp(args[0], "on") == 0)
1801                 {
1802                         target_continous_poll = 1;
1803                 }
1804                 else if (strcmp(args[0], "off") == 0)
1805                 {
1806                         target_continous_poll = 0;
1807                 }
1808                 else
1809                 {
1810                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1811                 }
1812         } else
1813         {
1814                 return ERROR_COMMAND_SYNTAX_ERROR;
1815         }
1816
1817         return retval;
1818 }
1819
1820 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1821 {
1822         int ms = 5000;
1823
1824         if (argc > 0)
1825         {
1826                 char *end;
1827
1828                 ms = strtoul(args[0], &end, 0) * 1000;
1829                 if (*end)
1830                 {
1831                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1832                         return ERROR_OK;
1833                 }
1834         }
1835         target_t *target = get_current_target(cmd_ctx);
1836
1837         return target_wait_state(target, TARGET_HALTED, ms);
1838 }
1839
1840 /* wait for target state to change. The trick here is to have a low
1841  * latency for short waits and not to suck up all the CPU time
1842  * on longer waits.
1843  *
1844  * After 500ms, keep_alive() is invoked
1845  */
1846 int target_wait_state(target_t *target, enum target_state state, int ms)
1847 {
1848         int retval;
1849         long long then=0, cur;
1850         int once=1;
1851
1852         for (;;)
1853         {
1854                 if ((retval=target_poll(target))!=ERROR_OK)
1855                         return retval;
1856                 if (target->state == state)
1857                 {
1858                         break;
1859                 }
1860                 cur = timeval_ms();
1861                 if (once)
1862                 {
1863                         once=0;
1864                         then = timeval_ms();
1865                         LOG_DEBUG("waiting for target %s...",
1866                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1867                 }
1868
1869                 if (cur-then>500)
1870                 {
1871                         keep_alive();
1872                 }
1873
1874                 if ((cur-then)>ms)
1875                 {
1876                         LOG_ERROR("timed out while waiting for target %s",
1877                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1878                         return ERROR_FAIL;
1879                 }
1880         }
1881
1882         return ERROR_OK;
1883 }
1884
1885 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1886 {
1887         int retval;
1888         target_t *target = get_current_target(cmd_ctx);
1889
1890         LOG_DEBUG("-");
1891
1892         if ((retval = target_halt(target)) != ERROR_OK)
1893         {
1894                 return retval;
1895         }
1896
1897         if (argc == 1)
1898         {
1899                 int wait;
1900                 char *end;
1901
1902                 wait = strtoul(args[0], &end, 0);
1903                 if (!*end && !wait)
1904                         return ERROR_OK;
1905         }
1906
1907         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1908 }
1909
1910 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1911 {
1912         target_t *target = get_current_target(cmd_ctx);
1913
1914         LOG_USER("requesting target halt and executing a soft reset");
1915
1916         target->type->soft_reset_halt(target);
1917
1918         return ERROR_OK;
1919 }
1920
1921 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1922 {
1923         if (argc > 1)
1924                 return ERROR_COMMAND_SYNTAX_ERROR;
1925
1926         enum target_reset_mode reset_mode = RESET_RUN;
1927         if (argc == 1)
1928         {
1929                 const Jim_Nvp *n;
1930                 n = Jim_Nvp_name2value_simple( nvp_reset_modes, args[0] );
1931                 if( (n->name == NULL) || (n->value == RESET_UNKNOWN) ){
1932                         return ERROR_COMMAND_SYNTAX_ERROR;
1933                 }
1934                 reset_mode = n->value;
1935         }
1936
1937         /* reset *all* targets */
1938         return target_process_reset(cmd_ctx, reset_mode);
1939 }
1940
1941
1942 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1943 {
1944         if (argc > 1)
1945                 return ERROR_COMMAND_SYNTAX_ERROR;
1946
1947         target_t *target = get_current_target(cmd_ctx);
1948         target_handle_event(target, TARGET_EVENT_OLD_pre_resume);
1949
1950         /* with no args, resume from current pc, addr = 0,
1951          * with one arguments, addr = args[0],
1952          * handle breakpoints, not debugging */
1953         u32 addr = 0;
1954         if (argc == 1)
1955                 addr = strtoul(args[0], NULL, 0);
1956
1957         return target_resume(target, 0, addr, 1, 0);
1958 }
1959
1960 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1961 {
1962         if (argc > 1)
1963                 return ERROR_COMMAND_SYNTAX_ERROR;
1964
1965         LOG_DEBUG("-");
1966
1967         /* with no args, step from current pc, addr = 0,
1968          * with one argument addr = args[0],
1969          * handle breakpoints, debugging */
1970         u32 addr = 0;
1971         if (argc == 1)
1972                 addr = strtoul(args[0], NULL, 0);
1973
1974         target_t *target = get_current_target(cmd_ctx);
1975         return target->type->step(target, 0, addr, 1);
1976 }
1977
1978 static void handle_md_output(struct command_context_s *cmd_ctx,
1979                 struct target_s *target, u32 address, unsigned size,
1980                 unsigned count, const u8 *buffer)
1981 {
1982         const unsigned line_bytecnt = 32;
1983         unsigned line_modulo = line_bytecnt / size;
1984
1985         char output[line_bytecnt * 4 + 1];
1986         unsigned output_len = 0;
1987
1988         const char *value_fmt;
1989         switch (size) {
1990         case 4: value_fmt = "%8.8x "; break;
1991         case 2: value_fmt = "%4.2x "; break;
1992         case 1: value_fmt = "%2.2x "; break;
1993         default:
1994                 LOG_ERROR("invalid memory read size: %u", size);
1995                 exit(-1);
1996         }
1997
1998         for (unsigned i = 0; i < count; i++)
1999         {
2000                 if (i % line_modulo == 0)
2001                 {
2002                         output_len += snprintf(output + output_len,
2003                                         sizeof(output) - output_len,
2004                                         "0x%8.8x: ", address + (i*size));
2005                 }
2006
2007                 u32 value=0;
2008                 const u8 *value_ptr = buffer + i * size;
2009                 switch (size) {
2010                 case 4: value = target_buffer_get_u32(target, value_ptr); break;
2011                 case 2: value = target_buffer_get_u16(target, value_ptr); break;
2012                 case 1: value = *value_ptr;
2013                 }
2014                 output_len += snprintf(output + output_len,
2015                                 sizeof(output) - output_len,
2016                                 value_fmt, value);
2017
2018                 if ((i % line_modulo == line_modulo - 1) || (i == count - 1))
2019                 {
2020                         command_print(cmd_ctx, "%s", output);
2021                         output_len = 0;
2022                 }
2023         }
2024 }
2025
2026 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2027 {
2028         if (argc < 1)
2029                 return ERROR_COMMAND_SYNTAX_ERROR;
2030
2031         unsigned size = 0;
2032         switch (cmd[2]) {
2033         case 'w': size = 4; break;
2034         case 'h': size = 2; break;
2035         case 'b': size = 1; break;
2036         default: return ERROR_COMMAND_SYNTAX_ERROR;
2037         }
2038
2039         u32 address = strtoul(args[0], NULL, 0);
2040
2041         unsigned count = 1;
2042         if (argc == 2)
2043                 count = strtoul(args[1], NULL, 0);
2044
2045         u8 *buffer = calloc(count, size);
2046
2047         target_t *target = get_current_target(cmd_ctx);
2048         int retval = target_read_memory(target,
2049                                 address, size, count, buffer);
2050         if (ERROR_OK == retval)
2051                 handle_md_output(cmd_ctx, target, address, size, count, buffer);
2052
2053         free(buffer);
2054
2055         return retval;
2056 }
2057
2058 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2059 {
2060         u32 address = 0;
2061         u32 value = 0;
2062         int count = 1;
2063         int i;
2064         int wordsize;
2065         target_t *target = get_current_target(cmd_ctx);
2066         u8 value_buf[4];
2067
2068          if ((argc < 2) || (argc > 3))
2069                 return ERROR_COMMAND_SYNTAX_ERROR;
2070
2071         address = strtoul(args[0], NULL, 0);
2072         value = strtoul(args[1], NULL, 0);
2073         if (argc == 3)
2074                 count = strtoul(args[2], NULL, 0);
2075
2076         switch (cmd[2])
2077         {
2078                 case 'w':
2079                         wordsize = 4;
2080                         target_buffer_set_u32(target, value_buf, value);
2081                         break;
2082                 case 'h':
2083                         wordsize = 2;
2084                         target_buffer_set_u16(target, value_buf, value);
2085                         break;
2086                 case 'b':
2087                         wordsize = 1;
2088                         value_buf[0] = value;
2089                         break;
2090                 default:
2091                         return ERROR_COMMAND_SYNTAX_ERROR;
2092         }
2093         for (i=0; i<count; i++)
2094         {
2095                 int retval = target_write_memory(target,
2096                                 address + i * wordsize, wordsize, 1, value_buf);
2097                 if (ERROR_OK != retval)
2098                         return retval;
2099                 keep_alive();
2100         }
2101
2102         return ERROR_OK;
2103
2104 }
2105
2106 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2107 {
2108         u8 *buffer;
2109         u32 buf_cnt;
2110         u32 image_size;
2111         u32 min_address=0;
2112         u32 max_address=0xffffffff;
2113         int i;
2114         int retval, retvaltemp;
2115
2116         image_t image;
2117
2118         duration_t duration;
2119         char *duration_text;
2120
2121         target_t *target = get_current_target(cmd_ctx);
2122
2123         if ((argc < 1)||(argc > 5))
2124         {
2125                 return ERROR_COMMAND_SYNTAX_ERROR;
2126         }
2127
2128         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2129         if (argc >= 2)
2130         {
2131                 image.base_address_set = 1;
2132                 image.base_address = strtoul(args[1], NULL, 0);
2133         }
2134         else
2135         {
2136                 image.base_address_set = 0;
2137         }
2138
2139
2140         image.start_address_set = 0;
2141
2142         if (argc>=4)
2143         {
2144                 min_address=strtoul(args[3], NULL, 0);
2145         }
2146         if (argc>=5)
2147         {
2148                 max_address=strtoul(args[4], NULL, 0)+min_address;
2149         }
2150
2151         if (min_address>max_address)
2152         {
2153                 return ERROR_COMMAND_SYNTAX_ERROR;
2154         }
2155
2156         duration_start_measure(&duration);
2157
2158         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2159         {
2160                 return ERROR_OK;
2161         }
2162
2163         image_size = 0x0;
2164         retval = ERROR_OK;
2165         for (i = 0; i < image.num_sections; i++)
2166         {
2167                 buffer = malloc(image.sections[i].size);
2168                 if (buffer == NULL)
2169                 {
2170                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2171                         break;
2172                 }
2173
2174                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2175                 {
2176                         free(buffer);
2177                         break;
2178                 }
2179
2180                 u32 offset=0;
2181                 u32 length=buf_cnt;
2182
2183                 /* DANGER!!! beware of unsigned comparision here!!! */
2184
2185                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
2186                                 (image.sections[i].base_address<max_address))
2187                 {
2188                         if (image.sections[i].base_address<min_address)
2189                         {
2190                                 /* clip addresses below */
2191                                 offset+=min_address-image.sections[i].base_address;
2192                                 length-=offset;
2193                         }
2194
2195                         if (image.sections[i].base_address+buf_cnt>max_address)
2196                         {
2197                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
2198                         }
2199
2200                         if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
2201                         {
2202                                 free(buffer);
2203                                 break;
2204                         }
2205                         image_size += length;
2206                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
2207                 }
2208
2209                 free(buffer);
2210         }
2211
2212         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2213         {
2214                 image_close(&image);
2215                 return retvaltemp;
2216         }
2217
2218         if (retval==ERROR_OK)
2219         {
2220                 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2221         }
2222         free(duration_text);
2223
2224         image_close(&image);
2225
2226         return retval;
2227
2228 }
2229
2230 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2231 {
2232         fileio_t fileio;
2233
2234         u32 address;
2235         u32 size;
2236         u8 buffer[560];
2237         int retval=ERROR_OK, retvaltemp;
2238
2239         duration_t duration;
2240         char *duration_text;
2241
2242         target_t *target = get_current_target(cmd_ctx);
2243
2244         if (argc != 3)
2245         {
2246                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2247                 return ERROR_OK;
2248         }
2249
2250         address = strtoul(args[1], NULL, 0);
2251         size = strtoul(args[2], NULL, 0);
2252
2253         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2254         {
2255                 return ERROR_OK;
2256         }
2257
2258         duration_start_measure(&duration);
2259
2260         while (size > 0)
2261         {
2262                 u32 size_written;
2263                 u32 this_run_size = (size > 560) ? 560 : size;
2264
2265                 retval = target_read_buffer(target, address, this_run_size, buffer);
2266                 if (retval != ERROR_OK)
2267                 {
2268                         break;
2269                 }
2270
2271                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2272                 if (retval != ERROR_OK)
2273                 {
2274                         break;
2275                 }
2276
2277                 size -= this_run_size;
2278                 address += this_run_size;
2279         }
2280
2281         if((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2282                 return retvaltemp;
2283
2284         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2285                 return retvaltemp;
2286
2287         if (retval==ERROR_OK)
2288         {
2289                 command_print(cmd_ctx, "dumped %lld byte in %s",
2290                                 fileio.size, duration_text);
2291                 free(duration_text);
2292         }
2293
2294         return retval;
2295 }
2296
2297 static int handle_verify_image_command_internal(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, int verify)
2298 {
2299         u8 *buffer;
2300         u32 buf_cnt;
2301         u32 image_size;
2302         int i;
2303         int retval, retvaltemp;
2304         u32 checksum = 0;
2305         u32 mem_checksum = 0;
2306
2307         image_t image;
2308
2309         duration_t duration;
2310         char *duration_text;
2311
2312         target_t *target = get_current_target(cmd_ctx);
2313
2314         if (argc < 1)
2315         {
2316                 return ERROR_COMMAND_SYNTAX_ERROR;
2317         }
2318
2319         if (!target)
2320         {
2321                 LOG_ERROR("no target selected");
2322                 return ERROR_FAIL;
2323         }
2324
2325         duration_start_measure(&duration);
2326
2327         if (argc >= 2)
2328         {
2329                 image.base_address_set = 1;
2330                 image.base_address = strtoul(args[1], NULL, 0);
2331         }
2332         else
2333         {
2334                 image.base_address_set = 0;
2335                 image.base_address = 0x0;
2336         }
2337
2338         image.start_address_set = 0;
2339
2340         if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2341         {
2342                 return retval;
2343         }
2344
2345         image_size = 0x0;
2346         retval=ERROR_OK;
2347         for (i = 0; i < image.num_sections; i++)
2348         {
2349                 buffer = malloc(image.sections[i].size);
2350                 if (buffer == NULL)
2351                 {
2352                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2353                         break;
2354                 }
2355                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2356                 {
2357                         free(buffer);
2358                         break;
2359                 }
2360
2361                 if (verify)
2362                 {
2363                         /* calculate checksum of image */
2364                         image_calculate_checksum( buffer, buf_cnt, &checksum );
2365
2366                         retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2367                         if( retval != ERROR_OK )
2368                         {
2369                                 free(buffer);
2370                                 break;
2371                         }
2372
2373                         if( checksum != mem_checksum )
2374                         {
2375                                 /* failed crc checksum, fall back to a binary compare */
2376                                 u8 *data;
2377
2378                                 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2379
2380                                 data = (u8*)malloc(buf_cnt);
2381
2382                                 /* Can we use 32bit word accesses? */
2383                                 int size = 1;
2384                                 int count = buf_cnt;
2385                                 if ((count % 4) == 0)
2386                                 {
2387                                         size *= 4;
2388                                         count /= 4;
2389                                 }
2390                                 retval = target_read_memory(target, image.sections[i].base_address, size, count, data);
2391                                 if (retval == ERROR_OK)
2392                                 {
2393                                         u32 t;
2394                                         for (t = 0; t < buf_cnt; t++)
2395                                         {
2396                                                 if (data[t] != buffer[t])
2397                                                 {
2398                                                         command_print(cmd_ctx, "Verify operation failed address 0x%08x. Was 0x%02x instead of 0x%02x\n", t + image.sections[i].base_address, data[t], buffer[t]);
2399                                                         free(data);
2400                                                         free(buffer);
2401                                                         retval=ERROR_FAIL;
2402                                                         goto done;
2403                                                 }
2404                                                 if ((t%16384)==0)
2405                                                 {
2406                                                         keep_alive();
2407                                                 }
2408                                         }
2409                                 }
2410
2411                                 free(data);
2412                         }
2413                 } else
2414                 {
2415                         command_print(cmd_ctx, "address 0x%08x length 0x%08x", image.sections[i].base_address, buf_cnt);
2416                 }
2417
2418                 free(buffer);
2419                 image_size += buf_cnt;
2420         }
2421 done:
2422
2423         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2424         {
2425                 image_close(&image);
2426                 return retvaltemp;
2427         }
2428
2429         if (retval==ERROR_OK)
2430         {
2431                 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2432         }
2433         free(duration_text);
2434
2435         image_close(&image);
2436
2437         return retval;
2438 }
2439
2440 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2441 {
2442         return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 1);
2443 }
2444
2445 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2446 {
2447         return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 0);
2448 }
2449
2450 static int handle_bp_command_list(struct command_context_s *cmd_ctx)
2451 {
2452         target_t *target = get_current_target(cmd_ctx);
2453         breakpoint_t *breakpoint = target->breakpoints;
2454         while (breakpoint)
2455         {
2456                 if (breakpoint->type == BKPT_SOFT)
2457                 {
2458                         char* buf = buf_to_str(breakpoint->orig_instr,
2459                                         breakpoint->length, 16);
2460                         command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s",
2461                                         breakpoint->address, breakpoint->length,
2462                                         breakpoint->set, buf);
2463                         free(buf);
2464                 }
2465                 else
2466                 {
2467                         command_print(cmd_ctx, "0x%8.8x, 0x%x, %i",
2468                                         breakpoint->address, breakpoint->length, breakpoint->set);
2469                 }
2470
2471                 breakpoint = breakpoint->next;
2472         }
2473         return ERROR_OK;
2474 }
2475
2476 static int handle_bp_command_set(struct command_context_s *cmd_ctx,
2477                 u32 addr, u32 length, int hw)
2478 {
2479         target_t *target = get_current_target(cmd_ctx);
2480         int retval = breakpoint_add(target, addr, length, hw);
2481         if (ERROR_OK == retval)
2482                 command_print(cmd_ctx, "breakpoint set at 0x%8.8x", addr);
2483         else
2484                 LOG_ERROR("Failure setting breakpoint");
2485         return retval;
2486 }
2487
2488 static int handle_bp_command(struct command_context_s *cmd_ctx,
2489                 char *cmd, char **args, int argc)
2490 {
2491         if (argc == 0)
2492                 return handle_bp_command_list(cmd_ctx);
2493
2494         if (argc < 2 || argc > 3)
2495         {
2496                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2497                 return ERROR_COMMAND_SYNTAX_ERROR;
2498         }
2499
2500         u32 addr = strtoul(args[0], NULL, 0);
2501         u32 length = strtoul(args[1], NULL, 0);
2502
2503         int hw = BKPT_SOFT;
2504         if (argc == 3)
2505         {
2506                 if (strcmp(args[2], "hw") == 0)
2507                         hw = BKPT_HARD;
2508                 else
2509                         return ERROR_COMMAND_SYNTAX_ERROR;
2510         }
2511
2512         return handle_bp_command_set(cmd_ctx, addr, length, hw);
2513 }
2514
2515 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2516 {
2517         target_t *target = get_current_target(cmd_ctx);
2518
2519         if (argc > 0)
2520                 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2521
2522         return ERROR_OK;
2523 }
2524
2525 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2526 {
2527         target_t *target = get_current_target(cmd_ctx);
2528         int retval;
2529
2530         if (argc == 0)
2531         {
2532                 watchpoint_t *watchpoint = target->watchpoints;
2533
2534                 while (watchpoint)
2535                 {
2536                         command_print(cmd_ctx, "address: 0x%8.8x, len: 0x%8.8x, r/w/a: %i, value: 0x%8.8x, mask: 0x%8.8x", watchpoint->address, watchpoint->length, watchpoint->rw, watchpoint->value, watchpoint->mask);
2537                         watchpoint = watchpoint->next;
2538                 }
2539         }
2540         else if (argc >= 2)
2541         {
2542                 enum watchpoint_rw type = WPT_ACCESS;
2543                 u32 data_value = 0x0;
2544                 u32 data_mask = 0xffffffff;
2545
2546                 if (argc >= 3)
2547                 {
2548                         switch(args[2][0])
2549                         {
2550                                 case 'r':
2551                                         type = WPT_READ;
2552                                         break;
2553                                 case 'w':
2554                                         type = WPT_WRITE;
2555                                         break;
2556                                 case 'a':
2557                                         type = WPT_ACCESS;
2558                                         break;
2559                                 default:
2560                                         command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2561                                         return ERROR_OK;
2562                         }
2563                 }
2564                 if (argc >= 4)
2565                 {
2566                         data_value = strtoul(args[3], NULL, 0);
2567                 }
2568                 if (argc >= 5)
2569                 {
2570                         data_mask = strtoul(args[4], NULL, 0);
2571                 }
2572
2573                 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2574                                 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2575                 {
2576                         LOG_ERROR("Failure setting breakpoints");
2577                 }
2578         }
2579         else
2580         {
2581                 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2582         }
2583
2584         return ERROR_OK;
2585 }
2586
2587 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2588 {
2589         if (argc != 1)
2590                 return ERROR_COMMAND_SYNTAX_ERROR;
2591
2592         target_t *target = get_current_target(cmd_ctx);
2593         watchpoint_remove(target, strtoul(args[0], NULL, 0));
2594
2595         return ERROR_OK;
2596 }
2597
2598
2599 /**
2600  * Translate a virtual address to a physical address.
2601  *
2602  * The low-level target implementation must have logged a detailed error
2603  * which is forwarded to telnet/GDB session.
2604  */
2605 static int handle_virt2phys_command(command_context_t *cmd_ctx,
2606                 char *cmd, char **args, int argc)
2607 {
2608         if (argc != 1)
2609                 return ERROR_COMMAND_SYNTAX_ERROR;
2610
2611         target_t *target = get_current_target(cmd_ctx);
2612         u32 va = strtoul(args[0], NULL, 0);
2613         u32 pa;
2614
2615         int retval = target->type->virt2phys(target, va, &pa);
2616         if (retval == ERROR_OK)
2617                 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2618
2619         return retval;
2620 }
2621
2622 static void writeData(FILE *f, const void *data, size_t len)
2623 {
2624         size_t written = fwrite(data, 1, len, f);
2625         if (written != len)
2626                 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
2627 }
2628
2629 static void writeLong(FILE *f, int l)
2630 {
2631         int i;
2632         for (i=0; i<4; i++)
2633         {
2634                 char c=(l>>(i*8))&0xff;
2635                 writeData(f, &c, 1);
2636         }
2637
2638 }
2639
2640 static void writeString(FILE *f, char *s)
2641 {
2642         writeData(f, s, strlen(s));
2643 }
2644
2645 /* Dump a gmon.out histogram file. */
2646 static void writeGmon(u32 *samples, u32 sampleNum, char *filename)
2647 {
2648         u32 i;
2649         FILE *f=fopen(filename, "w");
2650         if (f==NULL)
2651                 return;
2652         writeString(f, "gmon");
2653         writeLong(f, 0x00000001); /* Version */
2654         writeLong(f, 0); /* padding */
2655         writeLong(f, 0); /* padding */
2656         writeLong(f, 0); /* padding */
2657
2658         u8 zero = 0;  /* GMON_TAG_TIME_HIST */
2659         writeData(f, &zero, 1);
2660
2661         /* figure out bucket size */
2662         u32 min=samples[0];
2663         u32 max=samples[0];
2664         for (i=0; i<sampleNum; i++)
2665         {
2666                 if (min>samples[i])
2667                 {
2668                         min=samples[i];
2669                 }
2670                 if (max<samples[i])
2671                 {
2672                         max=samples[i];
2673                 }
2674         }
2675
2676         int addressSpace=(max-min+1);
2677
2678         static const u32 maxBuckets = 256 * 1024; /* maximum buckets. */
2679         u32 length = addressSpace;
2680         if (length > maxBuckets)
2681         {
2682                 length=maxBuckets;
2683         }
2684         int *buckets=malloc(sizeof(int)*length);
2685         if (buckets==NULL)
2686         {
2687                 fclose(f);
2688                 return;
2689         }
2690         memset(buckets, 0, sizeof(int)*length);
2691         for (i=0; i<sampleNum;i++)
2692         {
2693                 u32 address=samples[i];
2694                 long long a=address-min;
2695                 long long b=length-1;
2696                 long long c=addressSpace-1;
2697                 int index=(a*b)/c; /* danger!!!! int32 overflows */
2698                 buckets[index]++;
2699         }
2700
2701         /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
2702         writeLong(f, min);                      /* low_pc */
2703         writeLong(f, max);                      /* high_pc */
2704         writeLong(f, length);           /* # of samples */
2705         writeLong(f, 64000000);         /* 64MHz */
2706         writeString(f, "seconds");
2707         for (i=0; i<(15-strlen("seconds")); i++)
2708                 writeData(f, &zero, 1);
2709         writeString(f, "s");
2710
2711         /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
2712
2713         char *data=malloc(2*length);
2714         if (data!=NULL)
2715         {
2716                 for (i=0; i<length;i++)
2717                 {
2718                         int val;
2719                         val=buckets[i];
2720                         if (val>65535)
2721                         {
2722                                 val=65535;
2723                         }
2724                         data[i*2]=val&0xff;
2725                         data[i*2+1]=(val>>8)&0xff;
2726                 }
2727                 free(buckets);
2728                 writeData(f, data, length * 2);
2729                 free(data);
2730         } else
2731         {
2732                 free(buckets);
2733         }
2734
2735         fclose(f);
2736 }
2737
2738 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2739 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2740 {
2741         target_t *target = get_current_target(cmd_ctx);
2742         struct timeval timeout, now;
2743
2744         gettimeofday(&timeout, NULL);
2745         if (argc!=2)
2746         {
2747                 return ERROR_COMMAND_SYNTAX_ERROR;
2748         }
2749         char *end;
2750         timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2751         if (*end)
2752         {
2753                 return ERROR_OK;
2754         }
2755
2756         command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2757
2758         static const int maxSample=10000;
2759         u32 *samples=malloc(sizeof(u32)*maxSample);
2760         if (samples==NULL)
2761                 return ERROR_OK;
2762
2763         int numSamples=0;
2764         int retval=ERROR_OK;
2765         /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
2766         reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2767
2768         for (;;)
2769         {
2770                 target_poll(target);
2771                 if (target->state == TARGET_HALTED)
2772                 {
2773                         u32 t=*((u32 *)reg->value);
2774                         samples[numSamples++]=t;
2775                         retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2776                         target_poll(target);
2777                         alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
2778                 } else if (target->state == TARGET_RUNNING)
2779                 {
2780                         /* We want to quickly sample the PC. */
2781                         if((retval = target_halt(target)) != ERROR_OK)
2782                         {
2783                                 free(samples);
2784                                 return retval;
2785                         }
2786                 } else
2787                 {
2788                         command_print(cmd_ctx, "Target not halted or running");
2789                         retval=ERROR_OK;
2790                         break;
2791                 }
2792                 if (retval!=ERROR_OK)
2793                 {
2794                         break;
2795                 }
2796
2797                 gettimeofday(&now, NULL);
2798                 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2799                 {
2800                         command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2801                         if((retval = target_poll(target)) != ERROR_OK)
2802                         {
2803                                 free(samples);
2804                                 return retval;
2805                         }
2806                         if (target->state == TARGET_HALTED)
2807                         {
2808                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2809                         }
2810                         if((retval = target_poll(target)) != ERROR_OK)
2811                         {
2812                                 free(samples);
2813                                 return retval;
2814                         }
2815                         writeGmon(samples, numSamples, args[1]);
2816                         command_print(cmd_ctx, "Wrote %s", args[1]);
2817                         break;
2818                 }
2819         }
2820         free(samples);
2821
2822         return ERROR_OK;
2823 }
2824
2825 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2826 {
2827         char *namebuf;
2828         Jim_Obj *nameObjPtr, *valObjPtr;
2829         int result;
2830
2831         namebuf = alloc_printf("%s(%d)", varname, idx);
2832         if (!namebuf)
2833                 return JIM_ERR;
2834
2835         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2836         valObjPtr = Jim_NewIntObj(interp, val);
2837         if (!nameObjPtr || !valObjPtr)
2838         {
2839                 free(namebuf);
2840                 return JIM_ERR;
2841         }
2842
2843         Jim_IncrRefCount(nameObjPtr);
2844         Jim_IncrRefCount(valObjPtr);
2845         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2846         Jim_DecrRefCount(interp, nameObjPtr);
2847         Jim_DecrRefCount(interp, valObjPtr);
2848         free(namebuf);
2849         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2850         return result;
2851 }
2852
2853 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2854 {
2855         command_context_t *context;
2856         target_t *target;
2857
2858         context = Jim_GetAssocData(interp, "context");
2859         if (context == NULL)
2860         {
2861                 LOG_ERROR("mem2array: no command context");
2862                 return JIM_ERR;
2863         }
2864         target = get_current_target(context);
2865         if (target == NULL)
2866         {
2867                 LOG_ERROR("mem2array: no current target");
2868                 return JIM_ERR;
2869         }
2870
2871         return  target_mem2array(interp, target, argc-1, argv+1);
2872 }
2873
2874 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2875 {
2876         long l;
2877         u32 width;
2878         int len;
2879         u32 addr;
2880         u32 count;
2881         u32 v;
2882         const char *varname;
2883         u8 buffer[4096];
2884         int  n, e, retval;
2885         u32 i;
2886
2887         /* argv[1] = name of array to receive the data
2888          * argv[2] = desired width
2889          * argv[3] = memory address
2890          * argv[4] = count of times to read
2891          */
2892         if (argc != 4) {
2893                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2894                 return JIM_ERR;
2895         }
2896         varname = Jim_GetString(argv[0], &len);
2897         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2898
2899         e = Jim_GetLong(interp, argv[1], &l);
2900         width = l;
2901         if (e != JIM_OK) {
2902                 return e;
2903         }
2904
2905         e = Jim_GetLong(interp, argv[2], &l);
2906         addr = l;
2907         if (e != JIM_OK) {
2908                 return e;
2909         }
2910         e = Jim_GetLong(interp, argv[3], &l);
2911         len = l;
2912         if (e != JIM_OK) {
2913                 return e;
2914         }
2915         switch (width) {
2916                 case 8:
2917                         width = 1;
2918                         break;
2919                 case 16:
2920                         width = 2;
2921                         break;
2922                 case 32:
2923                         width = 4;
2924                         break;
2925                 default:
2926                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2927                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2928                         return JIM_ERR;
2929         }
2930         if (len == 0) {
2931                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2932                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2933                 return JIM_ERR;
2934         }
2935         if ((addr + (len * width)) < addr) {
2936                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2937                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2938                 return JIM_ERR;
2939         }
2940         /* absurd transfer size? */
2941         if (len > 65536) {
2942                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2943                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2944                 return JIM_ERR;
2945         }
2946
2947         if ((width == 1) ||
2948                 ((width == 2) && ((addr & 1) == 0)) ||
2949                 ((width == 4) && ((addr & 3) == 0))) {
2950                 /* all is well */
2951         } else {
2952                 char buf[100];
2953                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2954                 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2955                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2956                 return JIM_ERR;
2957         }
2958
2959         /* Transfer loop */
2960
2961         /* index counter */
2962         n = 0;
2963         /* assume ok */
2964         e = JIM_OK;
2965         while (len) {
2966                 /* Slurp... in buffer size chunks */
2967
2968                 count = len; /* in objects.. */
2969                 if (count > (sizeof(buffer)/width)) {
2970                         count = (sizeof(buffer)/width);
2971                 }
2972
2973                 retval = target_read_memory( target, addr, width, count, buffer );
2974                 if (retval != ERROR_OK) {
2975                         /* BOO !*/
2976                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2977                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2978                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2979                         e = JIM_ERR;
2980                         len = 0;
2981                 } else {
2982                         v = 0; /* shut up gcc */
2983                         for (i = 0 ;i < count ;i++, n++) {
2984                                 switch (width) {
2985                                         case 4:
2986                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
2987                                                 break;
2988                                         case 2:
2989                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
2990                                                 break;
2991                                         case 1:
2992                                                 v = buffer[i] & 0x0ff;
2993                                                 break;
2994                                 }
2995                                 new_int_array_element(interp, varname, n, v);
2996                         }
2997                         len -= count;
2998                 }
2999         }
3000
3001         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3002
3003         return JIM_OK;
3004 }
3005
3006 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
3007 {
3008         char *namebuf;
3009         Jim_Obj *nameObjPtr, *valObjPtr;
3010         int result;
3011         long l;
3012
3013         namebuf = alloc_printf("%s(%d)", varname, idx);
3014         if (!namebuf)
3015                 return JIM_ERR;
3016
3017         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
3018         if (!nameObjPtr)
3019         {
3020                 free(namebuf);
3021                 return JIM_ERR;
3022         }
3023
3024         Jim_IncrRefCount(nameObjPtr);
3025         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
3026         Jim_DecrRefCount(interp, nameObjPtr);
3027         free(namebuf);
3028         if (valObjPtr == NULL)
3029                 return JIM_ERR;
3030
3031         result = Jim_GetLong(interp, valObjPtr, &l);
3032         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
3033         *val = l;
3034         return result;
3035 }
3036
3037 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
3038 {
3039         command_context_t *context;
3040         target_t *target;
3041
3042         context = Jim_GetAssocData(interp, "context");
3043         if (context == NULL){
3044                 LOG_ERROR("array2mem: no command context");
3045                 return JIM_ERR;
3046         }
3047         target = get_current_target(context);
3048         if (target == NULL){
3049                 LOG_ERROR("array2mem: no current target");
3050                 return JIM_ERR;
3051         }
3052
3053         return target_array2mem( interp,target, argc-1, argv+1 );
3054 }
3055
3056 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
3057 {
3058         long l;
3059         u32 width;
3060         int len;
3061         u32 addr;
3062         u32 count;
3063         u32 v;
3064         const char *varname;
3065         u8 buffer[4096];
3066         int  n, e, retval;
3067         u32 i;
3068
3069         /* argv[1] = name of array to get the data
3070          * argv[2] = desired width
3071          * argv[3] = memory address
3072          * argv[4] = count to write
3073          */
3074         if (argc != 4) {
3075                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
3076                 return JIM_ERR;
3077         }
3078         varname = Jim_GetString(argv[0], &len);
3079         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
3080
3081         e = Jim_GetLong(interp, argv[1], &l);
3082         width = l;
3083         if (e != JIM_OK) {
3084                 return e;
3085         }
3086
3087         e = Jim_GetLong(interp, argv[2], &l);
3088         addr = l;
3089         if (e != JIM_OK) {
3090                 return e;
3091         }
3092         e = Jim_GetLong(interp, argv[3], &l);
3093         len = l;
3094         if (e != JIM_OK) {
3095                 return e;
3096         }
3097         switch (width) {
3098                 case 8:
3099                         width = 1;
3100                         break;
3101                 case 16:
3102                         width = 2;
3103                         break;
3104                 case 32:
3105                         width = 4;
3106                         break;
3107                 default:
3108                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3109                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
3110                         return JIM_ERR;
3111         }
3112         if (len == 0) {
3113                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3114                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
3115                 return JIM_ERR;
3116         }
3117         if ((addr + (len * width)) < addr) {
3118                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3119                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
3120                 return JIM_ERR;
3121         }
3122         /* absurd transfer size? */
3123         if (len > 65536) {
3124                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3125                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
3126                 return JIM_ERR;
3127         }
3128
3129         if ((width == 1) ||
3130                 ((width == 2) && ((addr & 1) == 0)) ||
3131                 ((width == 4) && ((addr & 3) == 0))) {
3132                 /* all is well */
3133         } else {
3134                 char buf[100];
3135                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3136                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
3137                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3138                 return JIM_ERR;
3139         }
3140
3141         /* Transfer loop */
3142
3143         /* index counter */
3144         n = 0;
3145         /* assume ok */
3146         e = JIM_OK;
3147         while (len) {
3148                 /* Slurp... in buffer size chunks */
3149
3150                 count = len; /* in objects.. */
3151                 if (count > (sizeof(buffer)/width)) {
3152                         count = (sizeof(buffer)/width);
3153                 }
3154
3155                 v = 0; /* shut up gcc */
3156                 for (i = 0 ;i < count ;i++, n++) {
3157                         get_int_array_element(interp, varname, n, &v);
3158                         switch (width) {
3159                         case 4:
3160                                 target_buffer_set_u32(target, &buffer[i*width], v);
3161                                 break;
3162                         case 2:
3163                                 target_buffer_set_u16(target, &buffer[i*width], v);
3164                                 break;
3165                         case 1:
3166                                 buffer[i] = v & 0x0ff;
3167                                 break;
3168                         }
3169                 }
3170                 len -= count;
3171
3172                 retval = target_write_memory(target, addr, width, count, buffer);
3173                 if (retval != ERROR_OK) {
3174                         /* BOO !*/
3175                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
3176                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3177                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3178                         e = JIM_ERR;
3179                         len = 0;
3180                 }
3181         }
3182
3183         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3184
3185         return JIM_OK;
3186 }
3187
3188 void target_all_handle_event( enum target_event e )
3189 {
3190         target_t *target;
3191
3192         LOG_DEBUG( "**all*targets: event: %d, %s",
3193                         e,
3194                         Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3195
3196         target = all_targets;
3197         while (target){
3198                 target_handle_event( target, e );
3199                 target = target->next;
3200         }
3201 }
3202
3203 void target_handle_event( target_t *target, enum target_event e )
3204 {
3205         target_event_action_t *teap;
3206         int done;
3207
3208         teap = target->event_action;
3209
3210         done = 0;
3211         while( teap ){
3212                 if( teap->event == e ){
3213                         done = 1;
3214                         LOG_DEBUG( "target: (%d) %s (%s) event: %d (%s) action: %s\n",
3215                                            target->target_number,
3216                                            target->cmd_name,
3217                                            target_get_name(target),
3218                                            e,
3219                                            Jim_Nvp_value2name_simple( nvp_target_event, e )->name,
3220                                            Jim_GetString( teap->body, NULL ) );
3221                         if (Jim_EvalObj( interp, teap->body )!=JIM_OK)
3222                         {
3223                                 Jim_PrintErrorMessage(interp);
3224                         }
3225                 }
3226                 teap = teap->next;
3227         }
3228         if( !done ){
3229                 LOG_DEBUG( "event: %d %s - no action",
3230                                    e,
3231                                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3232         }
3233 }
3234
3235 enum target_cfg_param {
3236         TCFG_TYPE,
3237         TCFG_EVENT,
3238         TCFG_WORK_AREA_VIRT,
3239         TCFG_WORK_AREA_PHYS,
3240         TCFG_WORK_AREA_SIZE,
3241         TCFG_WORK_AREA_BACKUP,
3242         TCFG_ENDIAN,
3243         TCFG_VARIANT,
3244         TCFG_CHAIN_POSITION,
3245 };
3246
3247 static Jim_Nvp nvp_config_opts[] = {
3248         { .name = "-type",             .value = TCFG_TYPE },
3249         { .name = "-event",            .value = TCFG_EVENT },
3250         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3251         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3252         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3253         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3254         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3255         { .name = "-variant",          .value = TCFG_VARIANT },
3256         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3257
3258         { .name = NULL, .value = -1 }
3259 };
3260
3261 static int target_configure( Jim_GetOptInfo *goi, target_t *target )
3262 {
3263         Jim_Nvp *n;
3264         Jim_Obj *o;
3265         jim_wide w;
3266         char *cp;
3267         int e;
3268
3269         /* parse config or cget options ... */
3270         while( goi->argc > 0 ){
3271                 Jim_SetEmptyResult( goi->interp );
3272                 /* Jim_GetOpt_Debug( goi ); */
3273
3274                 if( target->type->target_jim_configure ){
3275                         /* target defines a configure function */
3276                         /* target gets first dibs on parameters */
3277                         e = (*(target->type->target_jim_configure))( target, goi );
3278                         if( e == JIM_OK ){
3279                                 /* more? */
3280                                 continue;
3281                         }
3282                         if( e == JIM_ERR ){
3283                                 /* An error */
3284                                 return e;
3285                         }
3286                         /* otherwise we 'continue' below */
3287                 }
3288                 e = Jim_GetOpt_Nvp( goi, nvp_config_opts, &n );
3289                 if( e != JIM_OK ){
3290                         Jim_GetOpt_NvpUnknown( goi, nvp_config_opts, 0 );
3291                         return e;
3292                 }
3293                 switch( n->value ){
3294                 case TCFG_TYPE:
3295                         /* not setable */
3296                         if( goi->isconfigure ){
3297                                 Jim_SetResult_sprintf( goi->interp, "not setable: %s", n->name );
3298                                 return JIM_ERR;
3299                         } else {
3300                         no_params:
3301                                 if( goi->argc != 0 ){
3302                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "NO PARAMS");
3303                                         return JIM_ERR;
3304                                 }
3305                         }
3306                         Jim_SetResultString( goi->interp, target_get_name(target), -1 );
3307                         /* loop for more */
3308                         break;
3309                 case TCFG_EVENT:
3310                         if( goi->argc == 0 ){
3311                                 Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3312                                 return JIM_ERR;
3313                         }
3314
3315                         e = Jim_GetOpt_Nvp( goi, nvp_target_event, &n );
3316                         if( e != JIM_OK ){
3317                                 Jim_GetOpt_NvpUnknown( goi, nvp_target_event, 1 );
3318                                 return e;
3319                         }
3320
3321                         if( goi->isconfigure ){
3322                                 if( goi->argc != 1 ){
3323                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3324                                         return JIM_ERR;
3325                                 }
3326                         } else {
3327                                 if( goi->argc != 0 ){
3328                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3329                                         return JIM_ERR;
3330                                 }
3331                         }
3332
3333                         {
3334                                 target_event_action_t *teap;
3335
3336                                 teap = target->event_action;
3337                                 /* replace existing? */
3338                                 while( teap ){
3339                                         if( teap->event == (enum target_event)n->value ){
3340                                                 break;
3341                                         }
3342                                         teap = teap->next;
3343                                 }
3344
3345                                 if( goi->isconfigure ){
3346                                         if( teap == NULL ){
3347                                                 /* create new */
3348                                                 teap = calloc( 1, sizeof(*teap) );
3349                                         }
3350                                         teap->event = n->value;
3351                                         Jim_GetOpt_Obj( goi, &o );
3352                                         if( teap->body ){
3353                                                 Jim_DecrRefCount( interp, teap->body );
3354                                         }
3355                                         teap->body  = Jim_DuplicateObj( goi->interp, o );
3356                                         /*
3357                                          * FIXME:
3358                                          *     Tcl/TK - "tk events" have a nice feature.
3359                                          *     See the "BIND" command.
3360                                          *    We should support that here.
3361                                          *     You can specify %X and %Y in the event code.
3362                                          *     The idea is: %T - target name.
3363                                          *     The idea is: %N - target number
3364                                          *     The idea is: %E - event name.
3365                                          */
3366                                         Jim_IncrRefCount( teap->body );
3367
3368                                         /* add to head of event list */
3369                                         teap->next = target->event_action;
3370                                         target->event_action = teap;
3371                                         Jim_SetEmptyResult(goi->interp);
3372                                 } else {
3373                                         /* get */
3374                                         if( teap == NULL ){
3375                                                 Jim_SetEmptyResult( goi->interp );
3376                                         } else {
3377                                                 Jim_SetResult( goi->interp, Jim_DuplicateObj( goi->interp, teap->body ) );
3378                                         }
3379                                 }
3380                         }
3381                         /* loop for more */
3382                         break;
3383
3384                 case TCFG_WORK_AREA_VIRT:
3385                         if( goi->isconfigure ){
3386                                 target_free_all_working_areas(target);
3387                                 e = Jim_GetOpt_Wide( goi, &w );
3388                                 if( e != JIM_OK ){
3389                                         return e;
3390                                 }
3391                                 target->working_area_virt = w;
3392                         } else {
3393                                 if( goi->argc != 0 ){
3394                                         goto no_params;
3395                                 }
3396                         }
3397                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_virt ) );
3398                         /* loop for more */
3399                         break;
3400
3401                 case TCFG_WORK_AREA_PHYS:
3402                         if( goi->isconfigure ){
3403                                 target_free_all_working_areas(target);
3404                                 e = Jim_GetOpt_Wide( goi, &w );
3405                                 if( e != JIM_OK ){
3406                                         return e;
3407                                 }
3408                                 target->working_area_phys = w;
3409                         } else {
3410                                 if( goi->argc != 0 ){
3411                                         goto no_params;
3412                                 }
3413                         }
3414                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_phys ) );
3415                         /* loop for more */
3416                         break;
3417
3418                 case TCFG_WORK_AREA_SIZE:
3419                         if( goi->isconfigure ){
3420                                 target_free_all_working_areas(target);
3421                                 e = Jim_GetOpt_Wide( goi, &w );
3422                                 if( e != JIM_OK ){
3423                                         return e;
3424                                 }
3425                                 target->working_area_size = w;
3426                         } else {
3427                                 if( goi->argc != 0 ){
3428                                         goto no_params;
3429                                 }
3430                         }
3431                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3432                         /* loop for more */
3433                         break;
3434
3435                 case TCFG_WORK_AREA_BACKUP:
3436                         if( goi->isconfigure ){
3437                                 target_free_all_working_areas(target);
3438                                 e = Jim_GetOpt_Wide( goi, &w );
3439                                 if( e != JIM_OK ){
3440                                         return e;
3441                                 }
3442                                 /* make this exactly 1 or 0 */
3443                                 target->backup_working_area = (!!w);
3444                         } else {
3445                                 if( goi->argc != 0 ){
3446                                         goto no_params;
3447                                 }
3448                         }
3449                         Jim_SetResult(interp, Jim_NewIntObj(goi->interp, target->backup_working_area));
3450                         /* loop for more e*/
3451                         break;
3452
3453                 case TCFG_ENDIAN:
3454                         if( goi->isconfigure ){
3455                                 e = Jim_GetOpt_Nvp( goi, nvp_target_endian, &n );
3456                                 if( e != JIM_OK ){
3457                                         Jim_GetOpt_NvpUnknown( goi, nvp_target_endian, 1 );
3458                                         return e;
3459                                 }
3460                                 target->endianness = n->value;
3461                         } else {
3462                                 if( goi->argc != 0 ){
3463                                         goto no_params;
3464                                 }
3465                         }
3466                         n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3467                         if( n->name == NULL ){
3468                                 target->endianness = TARGET_LITTLE_ENDIAN;
3469                                 n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3470                         }
3471                         Jim_SetResultString( goi->interp, n->name, -1 );
3472                         /* loop for more */
3473                         break;
3474
3475                 case TCFG_VARIANT:
3476                         if( goi->isconfigure ){
3477                                 if( goi->argc < 1 ){
3478                                         Jim_SetResult_sprintf( goi->interp,
3479                                                                                    "%s ?STRING?",
3480                                                                                    n->name );
3481                                         return JIM_ERR;
3482                                 }
3483                                 if( target->variant ){
3484                                         free((void *)(target->variant));
3485                                 }
3486                                 e = Jim_GetOpt_String( goi, &cp, NULL );
3487                                 target->variant = strdup(cp);
3488                         } else {
3489                                 if( goi->argc != 0 ){
3490                                         goto no_params;
3491                                 }
3492                         }
3493                         Jim_SetResultString( goi->interp, target->variant,-1 );
3494                         /* loop for more */
3495                         break;
3496                 case TCFG_CHAIN_POSITION:
3497                         if( goi->isconfigure ){
3498                                 Jim_Obj *o;
3499                                 jtag_tap_t *tap;
3500                                 target_free_all_working_areas(target);
3501                                 e = Jim_GetOpt_Obj( goi, &o );
3502                                 if( e != JIM_OK ){
3503                                         return e;
3504                                 }
3505                                 tap = jtag_tap_by_jim_obj( goi->interp, o );
3506                                 if( tap == NULL ){
3507                                         return JIM_ERR;
3508                                 }
3509                                 /* make this exactly 1 or 0 */
3510                                 target->tap = tap;
3511                         } else {
3512                                 if( goi->argc != 0 ){
3513                                         goto no_params;
3514                                 }
3515                         }
3516                         Jim_SetResultString( interp, target->tap->dotted_name, -1 );
3517                         /* loop for more e*/
3518                         break;
3519                 }
3520         } /* while( goi->argc ) */
3521
3522
3523                 /* done - we return */
3524         return JIM_OK;
3525 }
3526
3527 /** this is the 'tcl' handler for the target specific command */
3528 static int tcl_target_func( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3529 {
3530         Jim_GetOptInfo goi;
3531         jim_wide a,b,c;
3532         int x,y,z;
3533         u8  target_buf[32];
3534         Jim_Nvp *n;
3535         target_t *target;
3536         struct command_context_s *cmd_ctx;
3537         int e;
3538
3539         enum {
3540                 TS_CMD_CONFIGURE,
3541                 TS_CMD_CGET,
3542
3543                 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3544                 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3545                 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3546                 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3547                 TS_CMD_EXAMINE,
3548                 TS_CMD_POLL,
3549                 TS_CMD_RESET,
3550                 TS_CMD_HALT,
3551                 TS_CMD_WAITSTATE,
3552                 TS_CMD_EVENTLIST,
3553                 TS_CMD_CURSTATE,
3554                 TS_CMD_INVOKE_EVENT,
3555         };
3556
3557         static const Jim_Nvp target_options[] = {
3558                 { .name = "configure", .value = TS_CMD_CONFIGURE },
3559                 { .name = "cget", .value = TS_CMD_CGET },
3560                 { .name = "mww", .value = TS_CMD_MWW },
3561                 { .name = "mwh", .value = TS_CMD_MWH },
3562                 { .name = "mwb", .value = TS_CMD_MWB },
3563                 { .name = "mdw", .value = TS_CMD_MDW },
3564                 { .name = "mdh", .value = TS_CMD_MDH },
3565                 { .name = "mdb", .value = TS_CMD_MDB },
3566                 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3567                 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3568                 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3569                 { .name = "curstate",  .value = TS_CMD_CURSTATE },
3570
3571                 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3572                 { .name = "arp_poll", .value = TS_CMD_POLL },
3573                 { .name = "arp_reset", .value = TS_CMD_RESET },
3574                 { .name = "arp_halt", .value = TS_CMD_HALT },
3575                 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3576                 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3577
3578                 { .name = NULL, .value = -1 },
3579         };
3580
3581         /* go past the "command" */
3582         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3583
3584         target = Jim_CmdPrivData( goi.interp );
3585         cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3586
3587         /* commands here are in an NVP table */
3588         e = Jim_GetOpt_Nvp( &goi, target_options, &n );
3589         if( e != JIM_OK ){
3590                 Jim_GetOpt_NvpUnknown( &goi, target_options, 0 );
3591                 return e;
3592         }
3593         /* Assume blank result */
3594         Jim_SetEmptyResult( goi.interp );
3595
3596         switch( n->value ){
3597         case TS_CMD_CONFIGURE:
3598                 if( goi.argc < 2 ){
3599                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3600                         return JIM_ERR;
3601                 }
3602                 goi.isconfigure = 1;
3603                 return target_configure( &goi, target );
3604         case TS_CMD_CGET:
3605                 // some things take params
3606                 if( goi.argc < 1 ){
3607                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "missing: ?-option?");
3608                         return JIM_ERR;
3609                 }
3610                 goi.isconfigure = 0;
3611                 return target_configure( &goi, target );
3612                 break;
3613         case TS_CMD_MWW:
3614         case TS_CMD_MWH:
3615         case TS_CMD_MWB:
3616                 /* argv[0] = cmd
3617                  * argv[1] = address
3618                  * argv[2] = data
3619                  * argv[3] = optional count.
3620                  */
3621
3622                 if( (goi.argc == 3) || (goi.argc == 4) ){
3623                         /* all is well */
3624                 } else {
3625                 mwx_error:
3626                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR DATA [COUNT]", n->name );
3627                         return JIM_ERR;
3628                 }
3629
3630                 e = Jim_GetOpt_Wide( &goi, &a );
3631                 if( e != JIM_OK ){
3632                         goto mwx_error;
3633                 }
3634
3635                 e = Jim_GetOpt_Wide( &goi, &b );
3636                 if( e != JIM_OK ){
3637                         goto mwx_error;
3638                 }
3639                 if( goi.argc ){
3640                         e = Jim_GetOpt_Wide( &goi, &c );
3641                         if( e != JIM_OK ){
3642                                 goto mwx_error;
3643                         }
3644                 } else {
3645                         c = 1;
3646                 }
3647
3648                 switch( n->value ){
3649                 case TS_CMD_MWW:
3650                         target_buffer_set_u32( target, target_buf, b );
3651                         b = 4;
3652                         break;
3653                 case TS_CMD_MWH:
3654                         target_buffer_set_u16( target, target_buf, b );
3655                         b = 2;
3656                         break;
3657                 case TS_CMD_MWB:
3658                         target_buffer_set_u8( target, target_buf, b );
3659                         b = 1;
3660                         break;
3661                 }
3662                 for( x = 0 ; x < c ; x++ ){
3663                         e = target_write_memory( target, a, b, 1, target_buf );
3664                         if( e != ERROR_OK ){
3665                                 Jim_SetResult_sprintf( interp, "Error writing @ 0x%08x: %d\n", (int)(a), e );
3666                                 return JIM_ERR;
3667                         }
3668                         /* b = width */
3669                         a = a + b;
3670                 }
3671                 return JIM_OK;
3672                 break;
3673
3674                 /* display */
3675         case TS_CMD_MDW:
3676         case TS_CMD_MDH:
3677         case TS_CMD_MDB:
3678                 /* argv[0] = command
3679                  * argv[1] = address
3680                  * argv[2] = optional count
3681                  */
3682                 if( (goi.argc == 2) || (goi.argc == 3) ){
3683                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR [COUNT]", n->name );
3684                         return JIM_ERR;
3685                 }
3686                 e = Jim_GetOpt_Wide( &goi, &a );
3687                 if( e != JIM_OK ){
3688                         return JIM_ERR;
3689                 }
3690                 if( goi.argc ){
3691                         e = Jim_GetOpt_Wide( &goi, &c );
3692                         if( e != JIM_OK ){
3693                                 return JIM_ERR;
3694                         }
3695                 } else {
3696                         c = 1;
3697                 }
3698                 b = 1; /* shut up gcc */
3699                 switch( n->value ){
3700                 case TS_CMD_MDW:
3701                         b =  4;
3702                         break;
3703                 case TS_CMD_MDH:
3704                         b = 2;
3705                         break;
3706                 case TS_CMD_MDB:
3707                         b = 1;
3708                         break;
3709                 }
3710
3711                 /* convert to "bytes" */
3712                 c = c * b;
3713                 /* count is now in 'BYTES' */
3714                 while( c > 0 ){
3715                         y = c;
3716                         if( y > 16 ){
3717                                 y = 16;
3718                         }
3719                         e = target_read_memory( target, a, b, y / b, target_buf );
3720                         if( e != ERROR_OK ){
3721                                 Jim_SetResult_sprintf( interp, "error reading target @ 0x%08lx", (int)(a) );
3722                                 return JIM_ERR;
3723                         }
3724
3725                         Jim_fprintf( interp, interp->cookie_stdout, "0x%08x ", (int)(a) );
3726                         switch( b ){
3727                         case 4:
3728                                 for( x = 0 ; (x < 16) && (x < y) ; x += 4 ){
3729                                         z = target_buffer_get_u32( target, &(target_buf[ x * 4 ]) );
3730                                         Jim_fprintf( interp, interp->cookie_stdout, "%08x ", (int)(z) );
3731                                 }
3732                                 for( ; (x < 16) ; x += 4 ){
3733                                         Jim_fprintf( interp, interp->cookie_stdout, "         " );
3734                                 }
3735                                 break;
3736                         case 2:
3737                                 for( x = 0 ; (x < 16) && (x < y) ; x += 2 ){
3738                                         z = target_buffer_get_u16( target, &(target_buf[ x * 2 ]) );
3739                                         Jim_fprintf( interp, interp->cookie_stdout, "%04x ", (int)(z) );
3740                                 }
3741                                 for( ; (x < 16) ; x += 2 ){
3742                                         Jim_fprintf( interp, interp->cookie_stdout, "     " );
3743                                 }
3744                                 break;
3745                         case 1:
3746                         default:
3747                                 for( x = 0 ; (x < 16) && (x < y) ; x += 1 ){
3748                                         z = target_buffer_get_u8( target, &(target_buf[ x * 4 ]) );
3749                                         Jim_fprintf( interp, interp->cookie_stdout, "%02x ", (int)(z) );
3750                                 }
3751                                 for( ; (x < 16) ; x += 1 ){
3752                                         Jim_fprintf( interp, interp->cookie_stdout, "   " );
3753                                 }
3754                                 break;
3755                         }
3756                         /* ascii-ify the bytes */
3757                         for( x = 0 ; x < y ; x++ ){
3758                                 if( (target_buf[x] >= 0x20) &&
3759                                         (target_buf[x] <= 0x7e) ){
3760                                         /* good */
3761                                 } else {
3762                                         /* smack it */
3763                                         target_buf[x] = '.';
3764                                 }
3765                         }
3766                         /* space pad  */
3767                         while( x < 16 ){
3768                                 target_buf[x] = ' ';
3769                                 x++;
3770                         }
3771                         /* terminate */
3772                         target_buf[16] = 0;
3773                         /* print - with a newline */
3774                         Jim_fprintf( interp, interp->cookie_stdout, "%s\n", target_buf );
3775                         /* NEXT... */
3776                         c -= 16;
3777                         a += 16;
3778                 }
3779                 return JIM_OK;
3780         case TS_CMD_MEM2ARRAY:
3781                 return target_mem2array( goi.interp, target, goi.argc, goi.argv );
3782                 break;
3783         case TS_CMD_ARRAY2MEM:
3784                 return target_array2mem( goi.interp, target, goi.argc, goi.argv );
3785                 break;
3786         case TS_CMD_EXAMINE:
3787                 if( goi.argc ){
3788                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3789                         return JIM_ERR;
3790                 }
3791                 if (!target->tap->enabled)
3792                         goto err_tap_disabled;
3793                 e = target->type->examine( target );
3794                 if( e != ERROR_OK ){
3795                         Jim_SetResult_sprintf( interp, "examine-fails: %d", e );
3796                         return JIM_ERR;
3797                 }
3798                 return JIM_OK;
3799         case TS_CMD_POLL:
3800                 if( goi.argc ){
3801                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3802                         return JIM_ERR;
3803                 }
3804                 if (!target->tap->enabled)
3805                         goto err_tap_disabled;
3806                 if( !(target_was_examined(target)) ){
3807                         e = ERROR_TARGET_NOT_EXAMINED;
3808                 } else {
3809                         e = target->type->poll( target );
3810                 }
3811                 if( e != ERROR_OK ){
3812                         Jim_SetResult_sprintf( interp, "poll-fails: %d", e );
3813                         return JIM_ERR;
3814                 } else {
3815                         return JIM_OK;
3816                 }
3817                 break;
3818         case TS_CMD_RESET:
3819                 if( goi.argc != 2 ){
3820                         Jim_WrongNumArgs( interp, 2, argv, "t|f|assert|deassert BOOL");
3821                         return JIM_ERR;
3822                 }
3823                 e = Jim_GetOpt_Nvp( &goi, nvp_assert, &n );
3824                 if( e != JIM_OK ){
3825                         Jim_GetOpt_NvpUnknown( &goi, nvp_assert, 1 );
3826                         return e;
3827                 }
3828                 /* the halt or not param */
3829                 e = Jim_GetOpt_Wide( &goi, &a);
3830                 if( e != JIM_OK ){
3831                         return e;
3832                 }
3833                 if (!target->tap->enabled)
3834                         goto err_tap_disabled;
3835                 /* determine if we should halt or not. */
3836                 target->reset_halt = !!a;
3837                 /* When this happens - all workareas are invalid. */
3838                 target_free_all_working_areas_restore(target, 0);
3839
3840                 /* do the assert */
3841                 if( n->value == NVP_ASSERT ){
3842                         target->type->assert_reset( target );
3843                 } else {
3844                         target->type->deassert_reset( target );
3845                 }
3846                 return JIM_OK;
3847         case TS_CMD_HALT:
3848                 if( goi.argc ){
3849                         Jim_WrongNumArgs( goi.interp, 0, argv, "halt [no parameters]");
3850                         return JIM_ERR;
3851                 }
3852                 if (!target->tap->enabled)
3853                         goto err_tap_disabled;
3854                 target->type->halt( target );
3855                 return JIM_OK;
3856         case TS_CMD_WAITSTATE:
3857                 /* params:  <name>  statename timeoutmsecs */
3858                 if( goi.argc != 2 ){
3859                         Jim_SetResult_sprintf( goi.interp, "%s STATENAME TIMEOUTMSECS", n->name );
3860                         return JIM_ERR;
3861                 }
3862                 e = Jim_GetOpt_Nvp( &goi, nvp_target_state, &n );
3863                 if( e != JIM_OK ){
3864                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_state,1 );
3865                         return e;
3866                 }
3867                 e = Jim_GetOpt_Wide( &goi, &a );
3868                 if( e != JIM_OK ){
3869                         return e;
3870                 }
3871                 if (!target->tap->enabled)
3872                         goto err_tap_disabled;
3873                 e = target_wait_state( target, n->value, a );
3874                 if( e != ERROR_OK ){
3875                         Jim_SetResult_sprintf( goi.interp,
3876                                                                    "target: %s wait %s fails (%d) %s",
3877                                                                    target->cmd_name,
3878                                                                    n->name,
3879                                                                    e, target_strerror_safe(e) );
3880                         return JIM_ERR;
3881                 } else {
3882                         return JIM_OK;
3883                 }
3884         case TS_CMD_EVENTLIST:
3885                 /* List for human, Events defined for this target.
3886                  * scripts/programs should use 'name cget -event NAME'
3887                  */
3888                 {
3889                         target_event_action_t *teap;
3890                         teap = target->event_action;
3891                         command_print( cmd_ctx, "Event actions for target (%d) %s\n",
3892                                                    target->target_number,
3893                                                    target->cmd_name );
3894                         command_print( cmd_ctx, "%-25s | Body", "Event");
3895                         command_print( cmd_ctx, "------------------------- | ----------------------------------------");
3896                         while( teap ){
3897                                 command_print( cmd_ctx,
3898                                                            "%-25s | %s",
3899                                                            Jim_Nvp_value2name_simple( nvp_target_event, teap->event )->name,
3900                                                            Jim_GetString( teap->body, NULL ) );
3901                                 teap = teap->next;
3902                         }
3903                         command_print( cmd_ctx, "***END***");
3904                         return JIM_OK;
3905                 }
3906         case TS_CMD_CURSTATE:
3907                 if( goi.argc != 0 ){
3908                         Jim_WrongNumArgs( goi.interp, 0, argv, "[no parameters]");
3909                         return JIM_ERR;
3910                 }
3911                 Jim_SetResultString( goi.interp,
3912                                                          Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name,-1);
3913                 return JIM_OK;
3914         case TS_CMD_INVOKE_EVENT:
3915                 if( goi.argc != 1 ){
3916                         Jim_SetResult_sprintf( goi.interp, "%s ?EVENTNAME?",n->name);
3917                         return JIM_ERR;
3918                 }
3919                 e = Jim_GetOpt_Nvp( &goi, nvp_target_event, &n );
3920                 if( e != JIM_OK ){
3921                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_event, 1 );
3922                         return e;
3923                 }
3924                 target_handle_event( target, n->value );
3925                 return JIM_OK;
3926         }
3927         return JIM_ERR;
3928
3929 err_tap_disabled:
3930         Jim_SetResult_sprintf(interp, "[TAP is disabled]");
3931         return JIM_ERR;
3932 }
3933
3934 static int target_create( Jim_GetOptInfo *goi )
3935 {
3936         Jim_Obj *new_cmd;
3937         Jim_Cmd *cmd;
3938         const char *cp;
3939         char *cp2;
3940         int e;
3941         int x;
3942         target_t *target;
3943         struct command_context_s *cmd_ctx;
3944
3945         cmd_ctx = Jim_GetAssocData(goi->interp, "context");
3946         if( goi->argc < 3 ){
3947                 Jim_WrongNumArgs( goi->interp, 1, goi->argv, "?name? ?type? ..options...");
3948                 return JIM_ERR;
3949         }
3950
3951         /* COMMAND */
3952         Jim_GetOpt_Obj( goi, &new_cmd );
3953         /* does this command exist? */
3954         cmd = Jim_GetCommand( goi->interp, new_cmd, JIM_ERRMSG );
3955         if( cmd ){
3956                 cp = Jim_GetString( new_cmd, NULL );
3957                 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
3958                 return JIM_ERR;
3959         }
3960
3961         /* TYPE */
3962         e = Jim_GetOpt_String( goi, &cp2, NULL );
3963         cp = cp2;
3964         /* now does target type exist */
3965         for( x = 0 ; target_types[x] ; x++ ){
3966                 if( 0 == strcmp( cp, target_types[x]->name ) ){
3967                         /* found */
3968                         break;
3969                 }
3970         }
3971         if( target_types[x] == NULL ){
3972                 Jim_SetResult_sprintf( goi->interp, "Unknown target type %s, try one of ", cp );
3973                 for( x = 0 ; target_types[x] ; x++ ){
3974                         if( target_types[x+1] ){
3975                                 Jim_AppendStrings( goi->interp,
3976                                                                    Jim_GetResult(goi->interp),
3977                                                                    target_types[x]->name,
3978                                                                    ", ", NULL);
3979                         } else {
3980                                 Jim_AppendStrings( goi->interp,
3981                                                                    Jim_GetResult(goi->interp),
3982                                                                    " or ",
3983                                                                    target_types[x]->name,NULL );
3984                         }
3985                 }
3986                 return JIM_ERR;
3987         }
3988
3989         /* Create it */
3990         target = calloc(1,sizeof(target_t));
3991         /* set target number */
3992         target->target_number = new_target_number();
3993
3994         /* allocate memory for each unique target type */
3995         target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
3996
3997         memcpy( target->type, target_types[x], sizeof(target_type_t));
3998
3999         /* will be set by "-endian" */
4000         target->endianness = TARGET_ENDIAN_UNKNOWN;
4001
4002         target->working_area        = 0x0;
4003         target->working_area_size   = 0x0;
4004         target->working_areas       = NULL;
4005         target->backup_working_area = 0;
4006
4007         target->state               = TARGET_UNKNOWN;
4008         target->debug_reason        = DBG_REASON_UNDEFINED;
4009         target->reg_cache           = NULL;
4010         target->breakpoints         = NULL;
4011         target->watchpoints         = NULL;
4012         target->next                = NULL;
4013         target->arch_info           = NULL;
4014
4015         target->display             = 1;
4016
4017         /* initialize trace information */
4018         target->trace_info = malloc(sizeof(trace_t));
4019         target->trace_info->num_trace_points         = 0;
4020         target->trace_info->trace_points_size        = 0;
4021         target->trace_info->trace_points             = NULL;
4022         target->trace_info->trace_history_size       = 0;
4023         target->trace_info->trace_history            = NULL;
4024         target->trace_info->trace_history_pos        = 0;
4025         target->trace_info->trace_history_overflowed = 0;
4026
4027         target->dbgmsg          = NULL;
4028         target->dbg_msg_enabled = 0;
4029
4030         target->endianness = TARGET_ENDIAN_UNKNOWN;
4031
4032         /* Do the rest as "configure" options */
4033         goi->isconfigure = 1;
4034         e = target_configure( goi, target);
4035
4036         if (target->tap == NULL)
4037         {
4038                 Jim_SetResultString( interp, "-chain-position required when creating target", -1);
4039                 e=JIM_ERR;
4040         }
4041
4042         if( e != JIM_OK ){
4043                 free( target->type );
4044                 free( target );
4045                 return e;
4046         }
4047
4048         if( target->endianness == TARGET_ENDIAN_UNKNOWN ){
4049                 /* default endian to little if not specified */
4050                 target->endianness = TARGET_LITTLE_ENDIAN;
4051         }
4052
4053         /* incase variant is not set */
4054         if (!target->variant)
4055                 target->variant = strdup("");
4056
4057         /* create the target specific commands */
4058         if( target->type->register_commands ){
4059                 (*(target->type->register_commands))( cmd_ctx );
4060         }
4061         if( target->type->target_create ){
4062                 (*(target->type->target_create))( target, goi->interp );
4063         }
4064
4065         /* append to end of list */
4066         {
4067                 target_t **tpp;
4068                 tpp = &(all_targets);
4069                 while( *tpp ){
4070                         tpp = &( (*tpp)->next );
4071                 }
4072                 *tpp = target;
4073         }
4074
4075         cp = Jim_GetString( new_cmd, NULL );
4076         target->cmd_name = strdup(cp);
4077
4078         /* now - create the new target name command */
4079         e = Jim_CreateCommand( goi->interp,
4080                                                    /* name */
4081                                                    cp,
4082                                                    tcl_target_func, /* C function */
4083                                                    target, /* private data */
4084                                                    NULL ); /* no del proc */
4085
4086         return e;
4087 }
4088
4089 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
4090 {
4091         int x,r,e;
4092         jim_wide w;
4093         struct command_context_s *cmd_ctx;
4094         target_t *target;
4095         Jim_GetOptInfo goi;
4096         enum tcmd {
4097                 /* TG = target generic */
4098                 TG_CMD_CREATE,
4099                 TG_CMD_TYPES,
4100                 TG_CMD_NAMES,
4101                 TG_CMD_CURRENT,
4102                 TG_CMD_NUMBER,
4103                 TG_CMD_COUNT,
4104         };
4105         const char *target_cmds[] = {
4106                 "create", "types", "names", "current", "number",
4107                 "count",
4108                 NULL /* terminate */
4109         };
4110
4111         LOG_DEBUG("Target command params:");
4112         LOG_DEBUG("%s", Jim_Debug_ArgvString(interp, argc, argv));
4113
4114         cmd_ctx = Jim_GetAssocData( interp, "context" );
4115
4116         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
4117
4118         if( goi.argc == 0 ){
4119                 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
4120                 return JIM_ERR;
4121         }
4122
4123         /* Jim_GetOpt_Debug( &goi ); */
4124         r = Jim_GetOpt_Enum( &goi, target_cmds, &x   );
4125         if( r != JIM_OK ){
4126                 return r;
4127         }
4128
4129         switch(x){
4130         default:
4131                 Jim_Panic(goi.interp,"Why am I here?");
4132                 return JIM_ERR;
4133         case TG_CMD_CURRENT:
4134                 if( goi.argc != 0 ){
4135                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters");
4136                         return JIM_ERR;
4137                 }
4138                 Jim_SetResultString( goi.interp, get_current_target( cmd_ctx )->cmd_name, -1 );
4139                 return JIM_OK;
4140         case TG_CMD_TYPES:
4141                 if( goi.argc != 0 ){
4142                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4143                         return JIM_ERR;
4144                 }
4145                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4146                 for( x = 0 ; target_types[x] ; x++ ){
4147                         Jim_ListAppendElement( goi.interp,
4148                                                                    Jim_GetResult(goi.interp),
4149                                                                    Jim_NewStringObj( goi.interp, target_types[x]->name, -1 ) );
4150                 }
4151                 return JIM_OK;
4152         case TG_CMD_NAMES:
4153                 if( goi.argc != 0 ){
4154                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4155                         return JIM_ERR;
4156                 }
4157                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4158                 target = all_targets;
4159                 while( target ){
4160                         Jim_ListAppendElement( goi.interp,
4161                                                                    Jim_GetResult(goi.interp),
4162                                                                    Jim_NewStringObj( goi.interp, target->cmd_name, -1 ) );
4163                         target = target->next;
4164                 }
4165                 return JIM_OK;
4166         case TG_CMD_CREATE:
4167                 if( goi.argc < 3 ){
4168                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "?name  ... config options ...");
4169                         return JIM_ERR;
4170                 }
4171                 return target_create( &goi );
4172                 break;
4173         case TG_CMD_NUMBER:
4174                 if( goi.argc != 1 ){
4175                         Jim_SetResult_sprintf( goi.interp, "expected: target number ?NUMBER?");
4176                         return JIM_ERR;
4177                 }
4178                 e = Jim_GetOpt_Wide( &goi, &w );
4179                 if( e != JIM_OK ){
4180                         return JIM_ERR;
4181                 }
4182                 {
4183                         target_t *t;
4184                         t = get_target_by_num(w);
4185                         if( t == NULL ){
4186                                 Jim_SetResult_sprintf( goi.interp,"Target: number %d does not exist", (int)(w));
4187                                 return JIM_ERR;
4188                         }
4189                         Jim_SetResultString( goi.interp, t->cmd_name, -1 );
4190                         return JIM_OK;
4191                 }
4192         case TG_CMD_COUNT:
4193                 if( goi.argc != 0 ){
4194                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "<no parameters>");
4195                         return JIM_ERR;
4196                 }
4197                 Jim_SetResult( goi.interp,
4198                                            Jim_NewIntObj( goi.interp, max_target_number()));
4199                 return JIM_OK;
4200         }
4201
4202         return JIM_ERR;
4203 }
4204
4205
4206 struct FastLoad
4207 {
4208         u32 address;
4209         u8 *data;
4210         int length;
4211
4212 };
4213
4214 static int fastload_num;
4215 static struct FastLoad *fastload;
4216
4217 static void free_fastload(void)
4218 {
4219         if (fastload!=NULL)
4220         {
4221                 int i;
4222                 for (i=0; i<fastload_num; i++)
4223                 {
4224                         if (fastload[i].data)
4225                                 free(fastload[i].data);
4226                 }
4227                 free(fastload);
4228                 fastload=NULL;
4229         }
4230 }
4231
4232
4233
4234
4235 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4236 {
4237         u8 *buffer;
4238         u32 buf_cnt;
4239         u32 image_size;
4240         u32 min_address=0;
4241         u32 max_address=0xffffffff;
4242         int i;
4243         int retval;
4244
4245         image_t image;
4246
4247         duration_t duration;
4248         char *duration_text;
4249
4250         if ((argc < 1)||(argc > 5))
4251         {
4252                 return ERROR_COMMAND_SYNTAX_ERROR;
4253         }
4254
4255         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
4256         if (argc >= 2)
4257         {
4258                 image.base_address_set = 1;
4259                 image.base_address = strtoul(args[1], NULL, 0);
4260         }
4261         else
4262         {
4263                 image.base_address_set = 0;
4264         }
4265
4266
4267         image.start_address_set = 0;
4268
4269         if (argc>=4)
4270         {
4271                 min_address=strtoul(args[3], NULL, 0);
4272         }
4273         if (argc>=5)
4274         {
4275                 max_address=strtoul(args[4], NULL, 0)+min_address;
4276         }
4277
4278         if (min_address>max_address)
4279         {
4280                 return ERROR_COMMAND_SYNTAX_ERROR;
4281         }
4282
4283         duration_start_measure(&duration);
4284
4285         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
4286         {
4287                 return ERROR_OK;
4288         }
4289
4290         image_size = 0x0;
4291         retval = ERROR_OK;
4292         fastload_num=image.num_sections;
4293         fastload=(struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
4294         if (fastload==NULL)
4295         {
4296                 image_close(&image);
4297                 return ERROR_FAIL;
4298         }
4299         memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
4300         for (i = 0; i < image.num_sections; i++)
4301         {
4302                 buffer = malloc(image.sections[i].size);
4303                 if (buffer == NULL)
4304                 {
4305                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
4306                         break;
4307                 }
4308
4309                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
4310                 {
4311                         free(buffer);
4312                         break;
4313                 }
4314
4315                 u32 offset=0;
4316                 u32 length=buf_cnt;
4317
4318
4319                 /* DANGER!!! beware of unsigned comparision here!!! */
4320
4321                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
4322                                 (image.sections[i].base_address<max_address))
4323                 {
4324                         if (image.sections[i].base_address<min_address)
4325                         {
4326                                 /* clip addresses below */
4327                                 offset+=min_address-image.sections[i].base_address;
4328                                 length-=offset;
4329                         }
4330
4331                         if (image.sections[i].base_address+buf_cnt>max_address)
4332                         {
4333                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
4334                         }
4335
4336                         fastload[i].address=image.sections[i].base_address+offset;
4337                         fastload[i].data=malloc(length);
4338                         if (fastload[i].data==NULL)
4339                         {
4340                                 free(buffer);
4341                                 break;
4342                         }
4343                         memcpy(fastload[i].data, buffer+offset, length);
4344                         fastload[i].length=length;
4345
4346                         image_size += length;
4347                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
4348                 }
4349
4350                 free(buffer);
4351         }
4352
4353         duration_stop_measure(&duration, &duration_text);
4354         if (retval==ERROR_OK)
4355         {
4356                 command_print(cmd_ctx, "Loaded %u bytes in %s", image_size, duration_text);
4357                 command_print(cmd_ctx, "NB!!! image has not been loaded to target, issue a subsequent 'fast_load' to do so.");
4358         }
4359         free(duration_text);
4360
4361         image_close(&image);
4362
4363         if (retval!=ERROR_OK)
4364         {
4365                 free_fastload();
4366         }
4367
4368         return retval;
4369 }
4370
4371 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4372 {
4373         if (argc>0)
4374                 return ERROR_COMMAND_SYNTAX_ERROR;
4375         if (fastload==NULL)
4376         {
4377                 LOG_ERROR("No image in memory");
4378                 return ERROR_FAIL;
4379         }
4380         int i;
4381         int ms=timeval_ms();
4382         int size=0;
4383         int retval=ERROR_OK;
4384         for (i=0; i<fastload_num;i++)
4385         {
4386                 target_t *target = get_current_target(cmd_ctx);
4387                 command_print(cmd_ctx, "Write to 0x%08x, length 0x%08x", fastload[i].address, fastload[i].length);
4388                 if (retval==ERROR_OK)
4389                 {
4390                         retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
4391                 }
4392                 size+=fastload[i].length;
4393         }
4394         int after=timeval_ms();
4395         command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
4396         return retval;
4397 }