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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 "replacements.h"
  37 #include "target.h"
  38 #include "target_request.h"
  39
  40 #include "log.h"
  41 #include "configuration.h"
  42 #include "binarybuffer.h"
  43 #include "jtag.h"
  44
  45 #include <string.h>
  46 #include <stdlib.h>
  47 #include <inttypes.h>
  48
  49 #include <sys/types.h>
  50 #include <sys/stat.h>
  51 #include <unistd.h>
  52 #include <errno.h>
  53
  54 #include <sys/time.h>
  55 #include <time.h>
  56
  57 #include <time_support.h>
  58
  59 #include <fileio.h>
  60 #include <image.h>
  61
  62 int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
  63
  64
  65 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  66
  67 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  68
  69 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  70 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  71 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  72 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  73 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  74 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  75 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  76 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  77 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  78 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  79 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  80 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  81 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  82 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  83 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  84 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  85 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  86 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
  87 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  88 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  89 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  90 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  91
  92 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  93 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  94
  95
  96
  97 /* targets */
  98 extern target_type_t arm7tdmi_target;
  99 extern target_type_t arm720t_target;
 100 extern target_type_t arm9tdmi_target;
 101 extern target_type_t arm920t_target;
 102 extern target_type_t arm966e_target;
 103 extern target_type_t arm926ejs_target;
 104 extern target_type_t feroceon_target;
 105 extern target_type_t xscale_target;
 106 extern target_type_t cortexm3_target;
 107 extern target_type_t arm11_target;
 108 extern target_type_t mips_m4k_target;
 109
 110 target_type_t *target_types[] =
 111 {
 112         &arm7tdmi_target,
 113         &arm9tdmi_target,
 114         &arm920t_target,
 115         &arm720t_target,
 116         &arm966e_target,
 117         &arm926ejs_target,
 118         &feroceon_target,
 119         &xscale_target,
 120         &cortexm3_target,
 121         &arm11_target,
 122         &mips_m4k_target,
 123         NULL,
 124 };
 125
 126 target_t *all_targets = NULL;
 127 target_event_callback_t *target_event_callbacks = NULL;
 128 target_timer_callback_t *target_timer_callbacks = NULL;
 129
 130 const Jim_Nvp nvp_assert[] = {
 131         { .name = "assert", NVP_ASSERT },
 132         { .name = "deassert", NVP_DEASSERT },
 133         { .name = "T", NVP_ASSERT },
 134         { .name = "F", NVP_DEASSERT },
 135         { .name = "t", NVP_ASSERT },
 136         { .name = "f", NVP_DEASSERT },
 137         { .name = NULL, .value = -1 }
 138 };
 139
 140 const Jim_Nvp nvp_error_target[] = {
 141         { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
 142         { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
 143         { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
 144         { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
 145         { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
 146         { .value = ERROR_TARGET_UNALIGNED_ACCESS   , .name = "err-unaligned-access" },
 147         { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
 148         { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
 149         { .value = ERROR_TARGET_TRANSLATION_FAULT  , .name = "err-translation-fault" },
 150         { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
 151         { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
 152         { .value = -1, .name = NULL }
 153 };
 154
 155 const char *target_strerror_safe( int err )
 156 {
 157         const Jim_Nvp *n;
 158
 159         n = Jim_Nvp_value2name_simple( nvp_error_target, err );
 160         if( n->name == NULL ){
 161                 return "unknown";
 162         } else {
 163                 return n->name;
 164         }
 165 }
 166
 167 const Jim_Nvp nvp_target_event[] = {
 168         { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
 169         { .value = TARGET_EVENT_OLD_pre_resume         , .name = "old-pre_resume" },
 170
 171
 172         { .value = TARGET_EVENT_EARLY_HALTED, .name = "early-halted" },
 173         { .value = TARGET_EVENT_HALTED, .name = "halted" },
 174         { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
 175         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 176         { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
 177
 178         /* historical name */
 179
 180         { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
 181
 182         { .value = TARGET_EVENT_RESET_ASSERT_PRE,    .name = "reset-assert-pre" },
 183         { .value = TARGET_EVENT_RESET_ASSERT_POST,   .name = "reset-assert-post" },
 184         { .value = TARGET_EVENT_RESET_DEASSERT_PRE,  .name = "reset-deassert-pre" },
 185         { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
 186         { .value = TARGET_EVENT_RESET_HALT_PRE,      .name = "reset-halt-pre" },
 187         { .value = TARGET_EVENT_RESET_HALT_POST,     .name = "reset-halt-post" },
 188         { .value = TARGET_EVENT_RESET_WAIT_PRE,      .name = "reset-wait-pre" },
 189         { .value = TARGET_EVENT_RESET_WAIT_POST,     .name = "reset-wait-post" },
 190         { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
 191         { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
 192
 193
 194
 195
 196
 197         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
 198         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-end" },
 199
 200
 201         { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
 202         { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
 203
 204         { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
 205         { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
 206
 207
 208         { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
 209         { .value = TARGET_EVENT_GDB_FLASH_WRITE_END  , .name = "gdb-flash-write-end"   },
 210
 211         { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
 212         { .value = TARGET_EVENT_GDB_FLASH_ERASE_END  , .name = "gdb-flash-erase-end" },
 213
 214         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 215         { .value = TARGET_EVENT_RESUMED     , .name = "resume-ok" },
 216         { .value = TARGET_EVENT_RESUME_END  , .name = "resume-end" },
 217
 218         { .name = NULL, .value = -1 }
 219 };
 220
 221 const Jim_Nvp nvp_target_state[] = {
 222         { .name = "unknown", .value = TARGET_UNKNOWN },
 223         { .name = "running", .value = TARGET_RUNNING },
 224         { .name = "halted",  .value = TARGET_HALTED },
 225         { .name = "reset",   .value = TARGET_RESET },
 226         { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
 227         { .name = NULL, .value = -1 },
 228 };
 229
 230
 231 const Jim_Nvp nvp_target_debug_reason [] = {
 232         { .name = "debug-request"            , .value = DBG_REASON_DBGRQ },
 233         { .name = "breakpoint"               , .value = DBG_REASON_BREAKPOINT },
 234         { .name = "watchpoint"               , .value = DBG_REASON_WATCHPOINT },
 235         { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
 236         { .name = "single-step"              , .value = DBG_REASON_SINGLESTEP },
 237         { .name = "target-not-halted"        , .value = DBG_REASON_NOTHALTED  },
 238         { .name = "undefined"                , .value = DBG_REASON_UNDEFINED },
 239         { .name = NULL, .value = -1 },
 240 };
 241
 242
 243 const Jim_Nvp nvp_target_endian[] = {
 244         { .name = "big",    .value = TARGET_BIG_ENDIAN },
 245         { .name = "little", .value = TARGET_LITTLE_ENDIAN },
 246         { .name = "be",     .value = TARGET_BIG_ENDIAN },
 247         { .name = "le",     .value = TARGET_LITTLE_ENDIAN },
 248         { .name = NULL,     .value = -1 },
 249 };
 250
 251 const Jim_Nvp nvp_reset_modes[] = {
 252         { .name = "unknown", .value = RESET_UNKNOWN },
 253         { .name = "run"    , .value = RESET_RUN },
 254         { .name = "halt"   , .value = RESET_HALT },
 255         { .name = "init"   , .value = RESET_INIT },
 256         { .name = NULL     , .value = -1 },
 257 };
 258
 259 static int
 260 max_target_number( void )
 261 {
 262         target_t *t;
 263         int x;
 264
 265         x = -1;
 266         t = all_targets;
 267         while( t ){
 268                 if( x < t->target_number ){
 269                         x = (t->target_number)+1;
 270                 }
 271                 t = t->next;
 272         }
 273         return x;
 274 }
 275
 276 /* determine the number of the new target */
 277 static int
 278 new_target_number( void )
 279 {
 280         target_t *t;
 281         int x;
 282
 283         /* number is 0 based */
 284         x = -1;
 285         t = all_targets;
 286         while(t){
 287                 if( x < t->target_number ){
 288                         x = t->target_number;
 289                 }
 290                 t = t->next;
 291         }
 292         return x+1;
 293 }
 294
 295 static int target_continous_poll = 1;
 296
 297 /* read a u32 from a buffer in target memory endianness */
 298 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
 299 {
 300         if (target->endianness == TARGET_LITTLE_ENDIAN)
 301                 return le_to_h_u32(buffer);
 302         else
 303                 return be_to_h_u32(buffer);
 304 }
 305
 306 /* read a u16 from a buffer in target memory endianness */
 307 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
 308 {
 309         if (target->endianness == TARGET_LITTLE_ENDIAN)
 310                 return le_to_h_u16(buffer);
 311         else
 312                 return be_to_h_u16(buffer);
 313 }
 314
 315 /* read a u8 from a buffer in target memory endianness */
 316 u8 target_buffer_get_u8(target_t *target, u8 *buffer)
 317 {
 318         return *buffer & 0x0ff;
 319 }
 320
 321 /* write a u32 to a buffer in target memory endianness */
 322 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
 323 {
 324         if (target->endianness == TARGET_LITTLE_ENDIAN)
 325                 h_u32_to_le(buffer, value);
 326         else
 327                 h_u32_to_be(buffer, value);
 328 }
 329
 330 /* write a u16 to a buffer in target memory endianness */
 331 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
 332 {
 333         if (target->endianness == TARGET_LITTLE_ENDIAN)
 334                 h_u16_to_le(buffer, value);
 335         else
 336                 h_u16_to_be(buffer, value);
 337 }
 338
 339 /* write a u8 to a buffer in target memory endianness */
 340 void target_buffer_set_u8(target_t *target, u8 *buffer, u8 value)
 341 {
 342         *buffer = value;
 343 }
 344
 345 /* returns a pointer to the n-th configured target */
 346 target_t* get_target_by_num(int num)
 347 {
 348         target_t *target = all_targets;
 349
 350         while (target){
 351                 if( target->target_number == num ){
 352                         return target;
 353                 }
 354                 target = target->next;
 355         }
 356
 357         return NULL;
 358 }
 359
 360 int get_num_by_target(target_t *query_target)
 361 {
 362         return query_target->target_number;
 363 }
 364
 365 target_t* get_current_target(command_context_t *cmd_ctx)
 366 {
 367         target_t *target = get_target_by_num(cmd_ctx->current_target);
 368
 369         if (target == NULL)
 370         {
 371                 LOG_ERROR("BUG: current_target out of bounds");
 372                 exit(-1);
 373         }
 374
 375         return target;
 376 }
 377
 378
 379 int target_poll(struct target_s *target)
 380 {
 381         /* We can't poll until after examine */
 382         if (!target->type->examined)
 383         {
 384                 /* Fail silently lest we pollute the log */
 385                 return ERROR_FAIL;
 386         }
 387         return target->type->poll(target);
 388 }
 389
 390 int target_halt(struct target_s *target)
 391 {
 392         /* We can't poll until after examine */
 393         if (!target->type->examined)
 394         {
 395                 LOG_ERROR("Target not examined yet");
 396                 return ERROR_FAIL;
 397         }
 398         return target->type->halt(target);
 399 }
 400
 401 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
 402 {
 403         int retval;
 404
 405         /* We can't poll until after examine */
 406         if (!target->type->examined)
 407         {
 408                 LOG_ERROR("Target not examined yet");
 409                 return ERROR_FAIL;
 410         }
 411
 412         /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
 413          * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
 414          * the application.
 415          */
 416         if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
 417                 return retval;
 418
 419         return retval;
 420 }
 421
 422
 423 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
 424 {
 425         char buf[100];
 426         int retval;
 427         Jim_Nvp *n;
 428         n = Jim_Nvp_value2name_simple( nvp_reset_modes, reset_mode );
 429         if( n->name == NULL ){
 430                 LOG_ERROR("invalid reset mode");
 431                 return ERROR_FAIL;
 432         }
 433
 434         sprintf( buf, "ocd_process_reset %s", n->name );
 435         retval = Jim_Eval( interp, buf );
 436
 437         if(retval != JIM_OK) {
 438                 Jim_PrintErrorMessage(interp);
 439                 return ERROR_FAIL;
 440         }
 441
 442         /* We want any events to be processed before the prompt */
 443         retval = target_call_timer_callbacks_now();
 444
 445         return retval;
 446 }
 447
 448
 449 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
 450 {
 451         *physical = virtual;
 452         return ERROR_OK;
 453 }
 454
 455 static int default_mmu(struct target_s *target, int *enabled)
 456 {
 457         *enabled = 0;
 458         return ERROR_OK;
 459 }
 460
 461 static int default_examine(struct target_s *target)
 462 {
 463         target->type->examined = 1;
 464         return ERROR_OK;
 465 }
 466
 467
 468 /* Targets that correctly implement init+examine, i.e.
 469  * no communication with target during init:
 470  *
 471  * XScale
 472  */
 473 int target_examine(void)
 474 {
 475         int retval = ERROR_OK;
 476         target_t *target = all_targets;
 477         while (target)
 478         {
 479                 if ((retval = target->type->examine(target))!=ERROR_OK)
 480                         return retval;
 481                 target = target->next;
 482         }
 483         return retval;
 484 }
 485
 486 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 487 {
 488         if (!target->type->examined)
 489         {
 490                 LOG_ERROR("Target not examined yet");
 491                 return ERROR_FAIL;
 492         }
 493         return target->type->write_memory_imp(target, address, size, count, buffer);
 494 }
 495
 496 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 497 {
 498         if (!target->type->examined)
 499         {
 500                 LOG_ERROR("Target not examined yet");
 501                 return ERROR_FAIL;
 502         }
 503         return target->type->read_memory_imp(target, address, size, count, buffer);
 504 }
 505
 506 static int target_soft_reset_halt_imp(struct target_s *target)
 507 {
 508         if (!target->type->examined)
 509         {
 510                 LOG_ERROR("Target not examined yet");
 511                 return ERROR_FAIL;
 512         }
 513         return target->type->soft_reset_halt_imp(target);
 514 }
 515
 516 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)
 517 {
 518         if (!target->type->examined)
 519         {
 520                 LOG_ERROR("Target not examined yet");
 521                 return ERROR_FAIL;
 522         }
 523         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);
 524 }
 525
 526 int target_init(struct command_context_s *cmd_ctx)
 527 {
 528         target_t *target = all_targets;
 529         int retval;
 530
 531         while (target)
 532         {
 533                 target->type->examined = 0;
 534                 if (target->type->examine == NULL)
 535                 {
 536                         target->type->examine = default_examine;
 537                 }
 538
 539                 if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
 540                 {
 541                         LOG_ERROR("target '%s' init failed", target->type->name);
 542                         return retval;
 543                 }
 544
 545                 /* Set up default functions if none are provided by target */
 546                 if (target->type->virt2phys == NULL)
 547                 {
 548                         target->type->virt2phys = default_virt2phys;
 549                 }
 550                 target->type->virt2phys = default_virt2phys;
 551                 /* a non-invasive way(in terms of patches) to add some code that
 552                  * runs before the type->write/read_memory implementation
 553                  */
 554                 target->type->write_memory_imp = target->type->write_memory;
 555                 target->type->write_memory = target_write_memory_imp;
 556                 target->type->read_memory_imp = target->type->read_memory;
 557                 target->type->read_memory = target_read_memory_imp;
 558                 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
 559                 target->type->soft_reset_halt = target_soft_reset_halt_imp;
 560                 target->type->run_algorithm_imp = target->type->run_algorithm;
 561                 target->type->run_algorithm = target_run_algorithm_imp;
 562
 563
 564                 if (target->type->mmu == NULL)
 565                 {
 566                         target->type->mmu = default_mmu;
 567                 }
 568                 target = target->next;
 569         }
 570
 571         if (all_targets)
 572         {
 573                 if((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
 574                         return retval;
 575                 if((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
 576                         return retval;
 577         }
 578
 579         return ERROR_OK;
 580 }
 581
 582 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 583 {
 584         target_event_callback_t **callbacks_p = &target_event_callbacks;
 585
 586         if (callback == NULL)
 587         {
 588                 return ERROR_INVALID_ARGUMENTS;
 589         }
 590
 591         if (*callbacks_p)
 592         {
 593                 while ((*callbacks_p)->next)
 594                         callbacks_p = &((*callbacks_p)->next);
 595                 callbacks_p = &((*callbacks_p)->next);
 596         }
 597
 598         (*callbacks_p) = malloc(sizeof(target_event_callback_t));
 599         (*callbacks_p)->callback = callback;
 600         (*callbacks_p)->priv = priv;
 601         (*callbacks_p)->next = NULL;
 602
 603         return ERROR_OK;
 604 }
 605
 606 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
 607 {
 608         target_timer_callback_t **callbacks_p = &target_timer_callbacks;
 609         struct timeval now;
 610
 611         if (callback == NULL)
 612         {
 613                 return ERROR_INVALID_ARGUMENTS;
 614         }
 615
 616         if (*callbacks_p)
 617         {
 618                 while ((*callbacks_p)->next)
 619                         callbacks_p = &((*callbacks_p)->next);
 620                 callbacks_p = &((*callbacks_p)->next);
 621         }
 622
 623         (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
 624         (*callbacks_p)->callback = callback;
 625         (*callbacks_p)->periodic = periodic;
 626         (*callbacks_p)->time_ms = time_ms;
 627
 628         gettimeofday(&now, NULL);
 629         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 630         time_ms -= (time_ms % 1000);
 631         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
 632         if ((*callbacks_p)->when.tv_usec > 1000000)
 633         {
 634                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
 635                 (*callbacks_p)->when.tv_sec += 1;
 636         }
 637
 638         (*callbacks_p)->priv = priv;
 639         (*callbacks_p)->next = NULL;
 640
 641         return ERROR_OK;
 642 }
 643
 644 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 645 {
 646         target_event_callback_t **p = &target_event_callbacks;
 647         target_event_callback_t *c = target_event_callbacks;
 648
 649         if (callback == NULL)
 650         {
 651                 return ERROR_INVALID_ARGUMENTS;
 652         }
 653
 654         while (c)
 655         {
 656                 target_event_callback_t *next = c->next;
 657                 if ((c->callback == callback) && (c->priv == priv))
 658                 {
 659                         *p = next;
 660                         free(c);
 661                         return ERROR_OK;
 662                 }
 663                 else
 664                         p = &(c->next);
 665                 c = next;
 666         }
 667
 668         return ERROR_OK;
 669 }
 670
 671 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
 672 {
 673         target_timer_callback_t **p = &target_timer_callbacks;
 674         target_timer_callback_t *c = target_timer_callbacks;
 675
 676         if (callback == NULL)
 677         {
 678                 return ERROR_INVALID_ARGUMENTS;
 679         }
 680
 681         while (c)
 682         {
 683                 target_timer_callback_t *next = c->next;
 684                 if ((c->callback == callback) && (c->priv == priv))
 685                 {
 686                         *p = next;
 687                         free(c);
 688                         return ERROR_OK;
 689                 }
 690                 else
 691                         p = &(c->next);
 692                 c = next;
 693         }
 694
 695         return ERROR_OK;
 696 }
 697
 698 int target_call_event_callbacks(target_t *target, enum target_event event)
 699 {
 700         target_event_callback_t *callback = target_event_callbacks;
 701         target_event_callback_t *next_callback;
 702
 703         if (event == TARGET_EVENT_HALTED)
 704         {
 705                 /* execute early halted first */
 706                 target_call_event_callbacks(target, TARGET_EVENT_EARLY_HALTED);
 707         }
 708
 709
 710         LOG_DEBUG("target event %i (%s)",
 711                           event,
 712                           Jim_Nvp_value2name_simple( nvp_target_event, event )->name );
 713
 714         target_handle_event( target, event );
 715
 716         while (callback)
 717         {
 718                 next_callback = callback->next;
 719                 callback->callback(target, event, callback->priv);
 720                 callback = next_callback;
 721         }
 722
 723         return ERROR_OK;
 724 }
 725
 726 static int target_call_timer_callbacks_check_time(int checktime)
 727 {
 728         target_timer_callback_t *callback = target_timer_callbacks;
 729         target_timer_callback_t *next_callback;
 730         struct timeval now;
 731
 732         keep_alive();
 733
 734         gettimeofday(&now, NULL);
 735
 736         while (callback)
 737         {
 738                 next_callback = callback->next;
 739
 740                 if ((!checktime&&callback->periodic)||
 741                                 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
 742                                                 || (now.tv_sec > callback->when.tv_sec)))
 743                 {
 744                         if(callback->callback != NULL)
 745                         {
 746                                 callback->callback(callback->priv);
 747                                 if (callback->periodic)
 748                                 {
 749                                         int time_ms = callback->time_ms;
 750                                         callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 751                                         time_ms -= (time_ms % 1000);
 752                                         callback->when.tv_sec = now.tv_sec + time_ms / 1000;
 753                                         if (callback->when.tv_usec > 1000000)
 754                                         {
 755                                                 callback->when.tv_usec = callback->when.tv_usec - 1000000;
 756                                                 callback->when.tv_sec += 1;
 757                                         }
 758                                 }
 759                                 else
 760                                 {
 761                                         int retval;
 762                                         if((retval = target_unregister_timer_callback(callback->callback, callback->priv)) != ERROR_OK)
 763                                                 return retval;
 764                                 }
 765                         }
 766                 }
 767
 768                 callback = next_callback;
 769         }
 770
 771         return ERROR_OK;
 772 }
 773
 774 int target_call_timer_callbacks(void)
 775 {
 776         return target_call_timer_callbacks_check_time(1);
 777 }
 778
 779 /* invoke periodic callbacks immediately */
 780 int target_call_timer_callbacks_now(void)
 781 {
 782         return target_call_timer_callbacks_check_time(0);
 783 }
 784
 785 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
 786 {
 787         working_area_t *c = target->working_areas;
 788         working_area_t *new_wa = NULL;
 789
 790         /* Reevaluate working area address based on MMU state*/
 791         if (target->working_areas == NULL)
 792         {
 793                 int retval;
 794                 int enabled;
 795                 retval = target->type->mmu(target, &enabled);
 796                 if (retval != ERROR_OK)
 797                 {
 798                         return retval;
 799                 }
 800                 if (enabled)
 801                 {
 802                         target->working_area = target->working_area_virt;
 803                 }
 804                 else
 805                 {
 806                         target->working_area = target->working_area_phys;
 807                 }
 808         }
 809
 810         /* only allocate multiples of 4 byte */
 811         if (size % 4)
 812         {
 813                 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
 814                 size = CEIL(size, 4);
 815         }
 816
 817         /* see if there's already a matching working area */
 818         while (c)
 819         {
 820                 if ((c->free) && (c->size == size))
 821                 {
 822                         new_wa = c;
 823                         break;
 824                 }
 825                 c = c->next;
 826         }
 827
 828         /* if not, allocate a new one */
 829         if (!new_wa)
 830         {
 831                 working_area_t **p = &target->working_areas;
 832                 u32 first_free = target->working_area;
 833                 u32 free_size = target->working_area_size;
 834
 835                 LOG_DEBUG("allocating new working area");
 836
 837                 c = target->working_areas;
 838                 while (c)
 839                 {
 840                         first_free += c->size;
 841                         free_size -= c->size;
 842                         p = &c->next;
 843                         c = c->next;
 844                 }
 845
 846                 if (free_size < size)
 847                 {
 848                         LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
 849                         return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
 850                 }
 851
 852                 new_wa = malloc(sizeof(working_area_t));
 853                 new_wa->next = NULL;
 854                 new_wa->size = size;
 855                 new_wa->address = first_free;
 856
 857                 if (target->backup_working_area)
 858                 {
 859                         int retval;
 860                         new_wa->backup = malloc(new_wa->size);
 861                         if((retval = target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
 862                         {
 863                                 free(new_wa->backup);
 864                                 free(new_wa);
 865                                 return retval;
 866                         }
 867                 }
 868                 else
 869                 {
 870                         new_wa->backup = NULL;
 871                 }
 872
 873                 /* put new entry in list */
 874                 *p = new_wa;
 875         }
 876
 877         /* mark as used, and return the new (reused) area */
 878         new_wa->free = 0;
 879         *area = new_wa;
 880
 881         /* user pointer */
 882         new_wa->user = area;
 883
 884         return ERROR_OK;
 885 }
 886
 887 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
 888 {
 889         if (area->free)
 890                 return ERROR_OK;
 891
 892         if (restore&&target->backup_working_area)
 893         {
 894                 int retval;
 895                 if((retval = target->type->write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
 896                         return retval;
 897         }
 898
 899         area->free = 1;
 900
 901         /* mark user pointer invalid */
 902         *area->user = NULL;
 903         area->user = NULL;
 904
 905         return ERROR_OK;
 906 }
 907
 908 int target_free_working_area(struct target_s *target, working_area_t *area)
 909 {
 910         return target_free_working_area_restore(target, area, 1);
 911 }
 912
 913 /* free resources and restore memory, if restoring memory fails,
 914  * free up resources anyway
 915  */
 916 void target_free_all_working_areas_restore(struct target_s *target, int restore)
 917 {
 918         working_area_t *c = target->working_areas;
 919
 920         while (c)
 921         {
 922                 working_area_t *next = c->next;
 923                 target_free_working_area_restore(target, c, restore);
 924
 925                 if (c->backup)
 926                         free(c->backup);
 927
 928                 free(c);
 929
 930                 c = next;
 931         }
 932
 933         target->working_areas = NULL;
 934 }
 935
 936 void target_free_all_working_areas(struct target_s *target)
 937 {
 938         target_free_all_working_areas_restore(target, 1);
 939 }
 940
 941 int target_register_commands(struct command_context_s *cmd_ctx)
 942 {
 943
 944         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)");
 945         register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, "set a new working space");
 946         register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "translate a virtual address into a physical address");
 947         register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "profiling samples the CPU PC");
 948
 949         register_jim(cmd_ctx, "target", jim_target, "configure target" );
 950
 951
 952         /* script procedures */
 953         register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array, "read memory and return as a TCL array for script processing");
 954         register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem, "convert a TCL array to memory locations and write the values");
 955         return ERROR_OK;
 956 }
 957
 958 int target_arch_state(struct target_s *target)
 959 {
 960         int retval;
 961         if (target==NULL)
 962         {
 963                 LOG_USER("No target has been configured");
 964                 return ERROR_OK;
 965         }
 966
 967         LOG_USER("target state: %s",
 968                  Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name);
 969
 970         if (target->state!=TARGET_HALTED)
 971                 return ERROR_OK;
 972
 973         retval=target->type->arch_state(target);
 974         return retval;
 975 }
 976
 977 /* Single aligned words are guaranteed to use 16 or 32 bit access
 978  * mode respectively, otherwise data is handled as quickly as
 979  * possible
 980  */
 981 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
 982 {
 983         int retval;
 984         LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
 985
 986         if (!target->type->examined)
 987         {
 988                 LOG_ERROR("Target not examined yet");
 989                 return ERROR_FAIL;
 990         }
 991
 992         if ((address + size - 1) < address)
 993         {
 994                 /* GDB can request this when e.g. PC is 0xfffffffc*/
 995                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
 996                 return ERROR_FAIL;
 997         }
 998
 999         if (((address % 2) == 0) && (size == 2))
1000         {
1001                 return target->type->write_memory(target, address, 2, 1, buffer);
1002         }
1003
1004         /* handle unaligned head bytes */
1005         if (address % 4)
1006         {
1007                 int unaligned = 4 - (address % 4);
1008
1009                 if (unaligned > size)
1010                         unaligned = size;
1011
1012                 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1013                         return retval;
1014
1015                 buffer += unaligned;
1016                 address += unaligned;
1017                 size -= unaligned;
1018         }
1019
1020         /* handle aligned words */
1021         if (size >= 4)
1022         {
1023                 int aligned = size - (size % 4);
1024
1025                 /* use bulk writes above a certain limit. This may have to be changed */
1026                 if (aligned > 128)
1027                 {
1028                         if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1029                                 return retval;
1030                 }
1031                 else
1032                 {
1033                         if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1034                                 return retval;
1035                 }
1036
1037                 buffer += aligned;
1038                 address += aligned;
1039                 size -= aligned;
1040         }
1041
1042         /* handle tail writes of less than 4 bytes */
1043         if (size > 0)
1044         {
1045                 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1046                         return retval;
1047         }
1048
1049         return ERROR_OK;
1050 }
1051
1052
1053 /* Single aligned words are guaranteed to use 16 or 32 bit access
1054  * mode respectively, otherwise data is handled as quickly as
1055  * possible
1056  */
1057 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1058 {
1059         int retval;
1060         LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1061
1062         if (!target->type->examined)
1063         {
1064                 LOG_ERROR("Target not examined yet");
1065                 return ERROR_FAIL;
1066         }
1067
1068         if ((address + size - 1) < address)
1069         {
1070                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1071                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1072                 return ERROR_FAIL;
1073         }
1074
1075         if (((address % 2) == 0) && (size == 2))
1076         {
1077                 return target->type->read_memory(target, address, 2, 1, buffer);
1078         }
1079
1080         /* handle unaligned head bytes */
1081         if (address % 4)
1082         {
1083                 int unaligned = 4 - (address % 4);
1084
1085                 if (unaligned > size)
1086                         unaligned = size;
1087
1088                 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1089                         return retval;
1090
1091                 buffer += unaligned;
1092                 address += unaligned;
1093                 size -= unaligned;
1094         }
1095
1096         /* handle aligned words */
1097         if (size >= 4)
1098         {
1099                 int aligned = size - (size % 4);
1100
1101                 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1102                         return retval;
1103
1104                 buffer += aligned;
1105                 address += aligned;
1106                 size -= aligned;
1107         }
1108
1109         /* handle tail writes of less than 4 bytes */
1110         if (size > 0)
1111         {
1112                 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1113                         return retval;
1114         }
1115
1116         return ERROR_OK;
1117 }
1118
1119 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1120 {
1121         u8 *buffer;
1122         int retval;
1123         int i;
1124         u32 checksum = 0;
1125         if (!target->type->examined)
1126         {
1127                 LOG_ERROR("Target not examined yet");
1128                 return ERROR_FAIL;
1129         }
1130
1131         if ((retval = target->type->checksum_memory(target, address,
1132                 size, &checksum)) != ERROR_OK)
1133         {
1134                 buffer = malloc(size);
1135                 if (buffer == NULL)
1136                 {
1137                         LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1138                         return ERROR_INVALID_ARGUMENTS;
1139                 }
1140                 retval = target_read_buffer(target, address, size, buffer);
1141                 if (retval != ERROR_OK)
1142                 {
1143                         free(buffer);
1144                         return retval;
1145                 }
1146
1147                 /* convert to target endianess */
1148                 for (i = 0; i < (size/sizeof(u32)); i++)
1149                 {
1150                         u32 target_data;
1151                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1152                         target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1153                 }
1154
1155                 retval = image_calculate_checksum( buffer, size, &checksum );
1156                 free(buffer);
1157         }
1158
1159         *crc = checksum;
1160
1161         return retval;
1162 }
1163
1164 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1165 {
1166         int retval;
1167         if (!target->type->examined)
1168         {
1169                 LOG_ERROR("Target not examined yet");
1170                 return ERROR_FAIL;
1171         }
1172
1173         if (target->type->blank_check_memory == 0)
1174                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1175
1176         retval = target->type->blank_check_memory(target, address, size, blank);
1177
1178         return retval;
1179 }
1180
1181 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1182 {
1183         u8 value_buf[4];
1184         if (!target->type->examined)
1185         {
1186                 LOG_ERROR("Target not examined yet");
1187                 return ERROR_FAIL;
1188         }
1189
1190         int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1191
1192         if (retval == ERROR_OK)
1193         {
1194                 *value = target_buffer_get_u32(target, value_buf);
1195                 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1196         }
1197         else
1198         {
1199                 *value = 0x0;
1200                 LOG_DEBUG("address: 0x%8.8x failed", address);
1201         }
1202
1203         return retval;
1204 }
1205
1206 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1207 {
1208         u8 value_buf[2];
1209         if (!target->type->examined)
1210         {
1211                 LOG_ERROR("Target not examined yet");
1212                 return ERROR_FAIL;
1213         }
1214
1215         int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1216
1217         if (retval == ERROR_OK)
1218         {
1219                 *value = target_buffer_get_u16(target, value_buf);
1220                 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1221         }
1222         else
1223         {
1224                 *value = 0x0;
1225                 LOG_DEBUG("address: 0x%8.8x failed", address);
1226         }
1227
1228         return retval;
1229 }
1230
1231 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1232 {
1233         int retval = target->type->read_memory(target, address, 1, 1, value);
1234         if (!target->type->examined)
1235         {
1236                 LOG_ERROR("Target not examined yet");
1237                 return ERROR_FAIL;
1238         }
1239
1240         if (retval == ERROR_OK)
1241         {
1242                 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1243         }
1244         else
1245         {
1246                 *value = 0x0;
1247                 LOG_DEBUG("address: 0x%8.8x failed", address);
1248         }
1249
1250         return retval;
1251 }
1252
1253 int target_write_u32(struct target_s *target, u32 address, u32 value)
1254 {
1255         int retval;
1256         u8 value_buf[4];
1257         if (!target->type->examined)
1258         {
1259                 LOG_ERROR("Target not examined yet");
1260                 return ERROR_FAIL;
1261         }
1262
1263         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1264
1265         target_buffer_set_u32(target, value_buf, value);
1266         if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1267         {
1268                 LOG_DEBUG("failed: %i", retval);
1269         }
1270
1271         return retval;
1272 }
1273
1274 int target_write_u16(struct target_s *target, u32 address, u16 value)
1275 {
1276         int retval;
1277         u8 value_buf[2];
1278         if (!target->type->examined)
1279         {
1280                 LOG_ERROR("Target not examined yet");
1281                 return ERROR_FAIL;
1282         }
1283
1284         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1285
1286         target_buffer_set_u16(target, value_buf, value);
1287         if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1288         {
1289                 LOG_DEBUG("failed: %i", retval);
1290         }
1291
1292         return retval;
1293 }
1294
1295 int target_write_u8(struct target_s *target, u32 address, u8 value)
1296 {
1297         int retval;
1298         if (!target->type->examined)
1299         {
1300                 LOG_ERROR("Target not examined yet");
1301                 return ERROR_FAIL;
1302         }
1303
1304         LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1305
1306         if ((retval = target->type->write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1307         {
1308                 LOG_DEBUG("failed: %i", retval);
1309         }
1310
1311         return retval;
1312 }
1313
1314 int target_register_user_commands(struct command_context_s *cmd_ctx)
1315 {
1316         int retval = ERROR_OK;
1317         register_command(cmd_ctx,  NULL, "reg", handle_reg_command, COMMAND_EXEC, "display or set a register");
1318         register_command(cmd_ctx,  NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1319         register_command(cmd_ctx,  NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1320         register_command(cmd_ctx,  NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1321         register_command(cmd_ctx,  NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1322         register_command(cmd_ctx,  NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1323         register_command(cmd_ctx,  NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init] - default is run");
1324         register_command(cmd_ctx,  NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1325
1326         register_command(cmd_ctx,  NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1327         register_command(cmd_ctx,  NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1328         register_command(cmd_ctx,  NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1329
1330         register_command(cmd_ctx,  NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1331         register_command(cmd_ctx,  NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1332         register_command(cmd_ctx,  NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1333
1334         register_command(cmd_ctx,  NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1335         register_command(cmd_ctx,  NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1336         register_command(cmd_ctx,  NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1337         register_command(cmd_ctx,  NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1338
1339         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]");
1340         register_command(cmd_ctx,  NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1341         register_command(cmd_ctx,  NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1342
1343         if((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
1344                 return retval;
1345         if((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
1346                 return retval;
1347
1348
1349         return retval;
1350 }
1351
1352 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1353 {
1354         char *cp;
1355         target_t *target = all_targets;
1356
1357         if (argc == 1)
1358         {
1359                 /* try as tcltarget name */
1360                 for( target = all_targets ; target ; target++ ){
1361                   if( target->cmd_name ){
1362                         if( 0 == strcmp( args[0], target->cmd_name ) ){
1363                                 /* MATCH */
1364                                 goto Match;
1365                         }
1366                   }
1367                 }
1368                 /* no match, try as number */
1369
1370                 int num = strtoul(args[0], &cp, 0 );
1371                 if( *cp != 0 ){
1372                         /* then it was not a number */
1373                         command_print( cmd_ctx, "Target: %s unknown, try one of:\n", args[0] );
1374                         goto DumpTargets;
1375                 }
1376
1377                 target = get_target_by_num( num );
1378                 if( target == NULL ){
1379                         command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0] );
1380                         goto DumpTargets;
1381                 }
1382         Match:
1383                 cmd_ctx->current_target = target->target_number;
1384                 return ERROR_OK;
1385         }
1386  DumpTargets:
1387
1388         command_print(cmd_ctx, "    CmdName    Type       Endian     ChainPos State     ");
1389         command_print(cmd_ctx, "--  ---------- ---------- ---------- -------- ----------");
1390         while (target)
1391         {
1392                 /* XX: abcdefghij abcdefghij abcdefghij abcdefghij */
1393                 command_print(cmd_ctx, "%2d: %-10s %-10s %-10s %8d %s",
1394                                           target->target_number,
1395                                           target->cmd_name,
1396                                           target->type->name,
1397                                           Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness )->name,
1398                                           target->chain_position,
1399                                           Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
1400                 target = target->next;
1401         }
1402
1403         return ERROR_OK;
1404 }
1405
1406
1407
1408 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1409 {
1410         int retval = ERROR_OK;
1411         target_t *target = NULL;
1412
1413         if ((argc < 4) || (argc > 5))
1414         {
1415                 return ERROR_COMMAND_SYNTAX_ERROR;
1416         }
1417
1418         target = get_target_by_num(strtoul(args[0], NULL, 0));
1419         if (!target)
1420         {
1421                 return ERROR_COMMAND_SYNTAX_ERROR;
1422         }
1423         target_free_all_working_areas(target);
1424
1425         target->working_area_phys = target->working_area_virt = strtoul(args[1], NULL, 0);
1426         if (argc == 5)
1427         {
1428                 target->working_area_virt = strtoul(args[4], NULL, 0);
1429         }
1430         target->working_area_size = strtoul(args[2], NULL, 0);
1431
1432         if (strcmp(args[3], "backup") == 0)
1433         {
1434                 target->backup_working_area = 1;
1435         }
1436         else if (strcmp(args[3], "nobackup") == 0)
1437         {
1438                 target->backup_working_area = 0;
1439         }
1440         else
1441         {
1442                 LOG_ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1443                 return ERROR_COMMAND_SYNTAX_ERROR;
1444         }
1445
1446         return retval;
1447 }
1448
1449
1450 /* process target state changes */
1451 int handle_target(void *priv)
1452 {
1453         int retval = ERROR_OK;
1454         target_t *target = all_targets;
1455
1456         while (target)
1457         {
1458                 if (target_continous_poll)
1459                 {
1460                         /* polling may fail silently until the target has been examined */
1461                         if((retval = target_poll(target)) != ERROR_OK)
1462                                 return retval;
1463                 }
1464
1465                 target = target->next;
1466         }
1467
1468         return retval;
1469 }
1470
1471 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1472 {
1473         target_t *target;
1474         reg_t *reg = NULL;
1475         int count = 0;
1476         char *value;
1477
1478         LOG_DEBUG("-");
1479
1480         target = get_current_target(cmd_ctx);
1481
1482         /* list all available registers for the current target */
1483         if (argc == 0)
1484         {
1485                 reg_cache_t *cache = target->reg_cache;
1486
1487                 count = 0;
1488                 while(cache)
1489                 {
1490                         int i;
1491                         for (i = 0; i < cache->num_regs; i++)
1492                         {
1493                                 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1494                                 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);
1495                                 free(value);
1496                         }
1497                         cache = cache->next;
1498                 }
1499
1500                 return ERROR_OK;
1501         }
1502
1503         /* access a single register by its ordinal number */
1504         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1505         {
1506                 int num = strtoul(args[0], NULL, 0);
1507                 reg_cache_t *cache = target->reg_cache;
1508
1509                 count = 0;
1510                 while(cache)
1511                 {
1512                         int i;
1513                         for (i = 0; i < cache->num_regs; i++)
1514                         {
1515                                 if (count++ == num)
1516                                 {
1517                                         reg = &cache->reg_list[i];
1518                                         break;
1519                                 }
1520                         }
1521                         if (reg)
1522                                 break;
1523                         cache = cache->next;
1524                 }
1525
1526                 if (!reg)
1527                 {
1528                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1529                         return ERROR_OK;
1530                 }
1531         } else /* access a single register by its name */
1532         {
1533                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1534
1535                 if (!reg)
1536                 {
1537                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1538                         return ERROR_OK;
1539                 }
1540         }
1541
1542         /* display a register */
1543         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1544         {
1545                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1546                         reg->valid = 0;
1547
1548                 if (reg->valid == 0)
1549                 {
1550                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1551                         arch_type->get(reg);
1552                 }
1553                 value = buf_to_str(reg->value, reg->size, 16);
1554                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1555                 free(value);
1556                 return ERROR_OK;
1557         }
1558
1559         /* set register value */
1560         if (argc == 2)
1561         {
1562                 u8 *buf = malloc(CEIL(reg->size, 8));
1563                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1564
1565                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1566                 arch_type->set(reg, buf);
1567
1568                 value = buf_to_str(reg->value, reg->size, 16);
1569                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1570                 free(value);
1571
1572                 free(buf);
1573
1574                 return ERROR_OK;
1575         }
1576
1577         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1578
1579         return ERROR_OK;
1580 }
1581
1582
1583 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1584 {
1585         int retval = ERROR_OK;
1586         target_t *target = get_current_target(cmd_ctx);
1587
1588         if (argc == 0)
1589         {
1590                 if((retval = target_poll(target)) != ERROR_OK)
1591                         return retval;
1592                 if((retval = target_arch_state(target)) != ERROR_OK)
1593                         return retval;
1594
1595         }
1596         else if (argc==1)
1597         {
1598                 if (strcmp(args[0], "on") == 0)
1599                 {
1600                         target_continous_poll = 1;
1601                 }
1602                 else if (strcmp(args[0], "off") == 0)
1603                 {
1604                         target_continous_poll = 0;
1605                 }
1606                 else
1607                 {
1608                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1609                 }
1610         } else
1611         {
1612                 return ERROR_COMMAND_SYNTAX_ERROR;
1613         }
1614
1615
1616         return retval;
1617 }
1618
1619 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1620 {
1621         int ms = 5000;
1622
1623         if (argc > 0)
1624         {
1625                 char *end;
1626
1627                 ms = strtoul(args[0], &end, 0) * 1000;
1628                 if (*end)
1629                 {
1630                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1631                         return ERROR_OK;
1632                 }
1633         }
1634         target_t *target = get_current_target(cmd_ctx);
1635
1636         return target_wait_state(target, TARGET_HALTED, ms);
1637 }
1638
1639 int target_wait_state(target_t *target, enum target_state state, int ms)
1640 {
1641         int retval;
1642         struct timeval timeout, now;
1643         int once=1;
1644         gettimeofday(&timeout, NULL);
1645         timeval_add_time(&timeout, 0, ms * 1000);
1646
1647         for (;;)
1648         {
1649                 if ((retval=target_poll(target))!=ERROR_OK)
1650                         return retval;
1651                 keep_alive();
1652                 if (target->state == state)
1653                 {
1654                         break;
1655                 }
1656                 if (once)
1657                 {
1658                         once=0;
1659                         LOG_DEBUG("waiting for target %s...",
1660                               Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1661                 }
1662
1663                 gettimeofday(&now, NULL);
1664                 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1665                 {
1666                         LOG_ERROR("timed out while waiting for target %s",
1667                               Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1668                         return ERROR_FAIL;
1669                 }
1670         }
1671
1672         return ERROR_OK;
1673 }
1674
1675 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1676 {
1677         int retval;
1678         target_t *target = get_current_target(cmd_ctx);
1679
1680         LOG_DEBUG("-");
1681
1682         if ((retval = target_halt(target)) != ERROR_OK)
1683         {
1684                 return retval;
1685         }
1686
1687         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1688 }
1689
1690 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1691 {
1692         target_t *target = get_current_target(cmd_ctx);
1693
1694         LOG_USER("requesting target halt and executing a soft reset");
1695
1696         target->type->soft_reset_halt(target);
1697
1698         return ERROR_OK;
1699 }
1700
1701 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1702 {
1703         const Jim_Nvp *n;
1704         enum target_reset_mode reset_mode = RESET_RUN;
1705
1706         if (argc >= 1)
1707         {
1708                 n = Jim_Nvp_name2value_simple( nvp_reset_modes, args[0] );
1709                 if( (n->name == NULL) || (n->value == RESET_UNKNOWN) ){
1710                         return ERROR_COMMAND_SYNTAX_ERROR;
1711                 }
1712                 reset_mode = n->value;
1713         }
1714
1715         /* reset *all* targets */
1716         return target_process_reset(cmd_ctx, reset_mode);
1717 }
1718
1719
1720 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1721 {
1722         int retval;
1723         target_t *target = get_current_target(cmd_ctx);
1724
1725         target_handle_event( target, TARGET_EVENT_OLD_pre_resume );
1726
1727         if (argc == 0)
1728                 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1729         else if (argc == 1)
1730                 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1731         else
1732         {
1733                 retval = ERROR_COMMAND_SYNTAX_ERROR;
1734         }
1735
1736         return retval;
1737 }
1738
1739 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1740 {
1741         target_t *target = get_current_target(cmd_ctx);
1742
1743         LOG_DEBUG("-");
1744
1745         if (argc == 0)
1746                 return target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1747
1748         if (argc == 1)
1749                 return target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1750
1751         return ERROR_OK;
1752 }
1753
1754 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1755 {
1756         const int line_bytecnt = 32;
1757         int count = 1;
1758         int size = 4;
1759         u32 address = 0;
1760         int line_modulo;
1761         int i;
1762
1763         char output[128];
1764         int output_len;
1765
1766         int retval;
1767
1768         u8 *buffer;
1769         target_t *target = get_current_target(cmd_ctx);
1770
1771         if (argc < 1)
1772                 return ERROR_OK;
1773
1774         if (argc == 2)
1775                 count = strtoul(args[1], NULL, 0);
1776
1777         address = strtoul(args[0], NULL, 0);
1778
1779
1780         switch (cmd[2])
1781         {
1782                 case 'w':
1783                         size = 4; line_modulo = line_bytecnt / 4;
1784                         break;
1785                 case 'h':
1786                         size = 2; line_modulo = line_bytecnt / 2;
1787                         break;
1788                 case 'b':
1789                         size = 1; line_modulo = line_bytecnt / 1;
1790                         break;
1791                 default:
1792                         return ERROR_OK;
1793         }
1794
1795         buffer = calloc(count, size);
1796         retval  = target->type->read_memory(target, address, size, count, buffer);
1797         if (retval == ERROR_OK)
1798         {
1799                 output_len = 0;
1800
1801                 for (i = 0; i < count; i++)
1802                 {
1803                         if (i%line_modulo == 0)
1804                                 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1805
1806                         switch (size)
1807                         {
1808                                 case 4:
1809                                         output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1810                                         break;
1811                                 case 2:
1812                                         output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1813                                         break;
1814                                 case 1:
1815                                         output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1816                                         break;
1817                         }
1818
1819                         if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1820                         {
1821                                 command_print(cmd_ctx, output);
1822                                 output_len = 0;
1823                         }
1824                 }
1825         }
1826
1827         free(buffer);
1828
1829         return retval;
1830 }
1831
1832 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1833 {
1834         u32 address = 0;
1835         u32 value = 0;
1836         int count = 1;
1837         int i;
1838         int wordsize;
1839         target_t *target = get_current_target(cmd_ctx);
1840         u8 value_buf[4];
1841
1842          if ((argc < 2) || (argc > 3))
1843                 return ERROR_COMMAND_SYNTAX_ERROR;
1844
1845         address = strtoul(args[0], NULL, 0);
1846         value = strtoul(args[1], NULL, 0);
1847         if (argc == 3)
1848                 count = strtoul(args[2], NULL, 0);
1849
1850         switch (cmd[2])
1851         {
1852                 case 'w':
1853                         wordsize = 4;
1854                         target_buffer_set_u32(target, value_buf, value);
1855                         break;
1856                 case 'h':
1857                         wordsize = 2;
1858                         target_buffer_set_u16(target, value_buf, value);
1859                         break;
1860                 case 'b':
1861                         wordsize = 1;
1862                         value_buf[0] = value;
1863                         break;
1864                 default:
1865                         return ERROR_COMMAND_SYNTAX_ERROR;
1866         }
1867         for (i=0; i<count; i++)
1868         {
1869                 int retval;
1870                 switch (wordsize)
1871                 {
1872                         case 4:
1873                                 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
1874                                 break;
1875                         case 2:
1876                                 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
1877                                 break;
1878                         case 1:
1879                                 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
1880                         break;
1881                         default:
1882                         return ERROR_OK;
1883                 }
1884                 keep_alive();
1885
1886                 if (retval!=ERROR_OK)
1887                 {
1888                         return retval;
1889                 }
1890         }
1891
1892         return ERROR_OK;
1893
1894 }
1895
1896 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1897 {
1898         u8 *buffer;
1899         u32 buf_cnt;
1900         u32 image_size;
1901         u32 min_address=0;
1902         u32 max_address=0xffffffff;
1903         int i;
1904         int retval, retvaltemp;
1905
1906         image_t image;
1907
1908         duration_t duration;
1909         char *duration_text;
1910
1911         target_t *target = get_current_target(cmd_ctx);
1912
1913         if ((argc < 1)||(argc > 5))
1914         {
1915                 return ERROR_COMMAND_SYNTAX_ERROR;
1916         }
1917
1918         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
1919         if (argc >= 2)
1920         {
1921                 image.base_address_set = 1;
1922                 image.base_address = strtoul(args[1], NULL, 0);
1923         }
1924         else
1925         {
1926                 image.base_address_set = 0;
1927         }
1928
1929
1930         image.start_address_set = 0;
1931
1932         if (argc>=4)
1933         {
1934                 min_address=strtoul(args[3], NULL, 0);
1935         }
1936         if (argc>=5)
1937         {
1938                 max_address=strtoul(args[4], NULL, 0)+min_address;
1939         }
1940
1941         if (min_address>max_address)
1942         {
1943                 return ERROR_COMMAND_SYNTAX_ERROR;
1944         }
1945
1946
1947         duration_start_measure(&duration);
1948
1949         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
1950         {
1951                 return ERROR_OK;
1952         }
1953
1954         image_size = 0x0;
1955         retval = ERROR_OK;
1956         for (i = 0; i < image.num_sections; i++)
1957         {
1958                 buffer = malloc(image.sections[i].size);
1959                 if (buffer == NULL)
1960                 {
1961                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
1962                         break;
1963                 }
1964
1965                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
1966                 {
1967                         free(buffer);
1968                         break;
1969                 }
1970
1971                 u32 offset=0;
1972                 u32 length=buf_cnt;
1973
1974
1975                 /* DANGER!!! beware of unsigned comparision here!!! */
1976
1977                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
1978                                 (image.sections[i].base_address<max_address))
1979                 {
1980                         if (image.sections[i].base_address<min_address)
1981                         {
1982                                 /* clip addresses below */
1983                                 offset+=min_address-image.sections[i].base_address;
1984                                 length-=offset;
1985                         }
1986
1987                         if (image.sections[i].base_address+buf_cnt>max_address)
1988                         {
1989                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
1990                         }
1991
1992                         if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
1993                         {
1994                                 free(buffer);
1995                                 break;
1996                         }
1997                         image_size += length;
1998                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
1999                 }
2000
2001                 free(buffer);
2002         }
2003
2004         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2005         {
2006                 image_close(&image);
2007                 return retvaltemp;
2008         }
2009
2010         if (retval==ERROR_OK)
2011         {
2012                 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2013         }
2014         free(duration_text);
2015
2016         image_close(&image);
2017
2018         return retval;
2019
2020 }
2021
2022 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2023 {
2024         fileio_t fileio;
2025
2026         u32 address;
2027         u32 size;
2028         u8 buffer[560];
2029         int retval=ERROR_OK, retvaltemp;
2030
2031         duration_t duration;
2032         char *duration_text;
2033
2034         target_t *target = get_current_target(cmd_ctx);
2035
2036         if (argc != 3)
2037         {
2038                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2039                 return ERROR_OK;
2040         }
2041
2042         address = strtoul(args[1], NULL, 0);
2043         size = strtoul(args[2], NULL, 0);
2044
2045         if ((address & 3) || (size & 3))
2046         {
2047                 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2048                 return ERROR_OK;
2049         }
2050
2051         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2052         {
2053                 return ERROR_OK;
2054         }
2055
2056         duration_start_measure(&duration);
2057
2058         while (size > 0)
2059         {
2060                 u32 size_written;
2061                 u32 this_run_size = (size > 560) ? 560 : size;
2062
2063                 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2064                 if (retval != ERROR_OK)
2065                 {
2066                         break;
2067                 }
2068
2069                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2070                 if (retval != ERROR_OK)
2071                 {
2072                         break;
2073                 }
2074
2075                 size -= this_run_size;
2076                 address += this_run_size;
2077         }
2078
2079         if((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2080                 return retvaltemp;
2081
2082         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2083                 return retvaltemp;
2084
2085         if (retval==ERROR_OK)
2086         {
2087                 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2088         }
2089         free(duration_text);
2090
2091         return ERROR_OK;
2092 }
2093
2094 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2095 {
2096         u8 *buffer;
2097         u32 buf_cnt;
2098         u32 image_size;
2099         int i;
2100         int retval, retvaltemp;
2101         u32 checksum = 0;
2102         u32 mem_checksum = 0;
2103
2104         image_t image;
2105
2106         duration_t duration;
2107         char *duration_text;
2108
2109         target_t *target = get_current_target(cmd_ctx);
2110
2111         if (argc < 1)
2112         {
2113                 return ERROR_COMMAND_SYNTAX_ERROR;
2114         }
2115
2116         if (!target)
2117         {
2118                 LOG_ERROR("no target selected");
2119                 return ERROR_FAIL;
2120         }
2121
2122         duration_start_measure(&duration);
2123
2124         if (argc >= 2)
2125         {
2126                 image.base_address_set = 1;
2127                 image.base_address = strtoul(args[1], NULL, 0);
2128         }
2129         else
2130         {
2131                 image.base_address_set = 0;
2132                 image.base_address = 0x0;
2133         }
2134
2135         image.start_address_set = 0;
2136
2137         if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2138         {
2139                 return retval;
2140         }
2141
2142         image_size = 0x0;
2143         retval=ERROR_OK;
2144         for (i = 0; i < image.num_sections; i++)
2145         {
2146                 buffer = malloc(image.sections[i].size);
2147                 if (buffer == NULL)
2148                 {
2149                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2150                         break;
2151                 }
2152                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2153                 {
2154                         free(buffer);
2155                         break;
2156                 }
2157
2158                 /* calculate checksum of image */
2159                 image_calculate_checksum( buffer, buf_cnt, &checksum );
2160
2161                 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2162                 if( retval != ERROR_OK )
2163                 {
2164                         free(buffer);
2165                         break;
2166                 }
2167
2168                 if( checksum != mem_checksum )
2169                 {
2170                         /* failed crc checksum, fall back to a binary compare */
2171                         u8 *data;
2172
2173                         command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2174
2175                         data = (u8*)malloc(buf_cnt);
2176
2177                         /* Can we use 32bit word accesses? */
2178                         int size = 1;
2179                         int count = buf_cnt;
2180                         if ((count % 4) == 0)
2181                         {
2182                                 size *= 4;
2183                                 count /= 4;
2184                         }
2185                         retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2186                         if (retval == ERROR_OK)
2187                         {
2188                                 int t;
2189                                 for (t = 0; t < buf_cnt; t++)
2190                                 {
2191                                         if (data[t] != buffer[t])
2192                                         {
2193                                                 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]);
2194                                                 free(data);
2195                                                 free(buffer);
2196                                                 retval=ERROR_FAIL;
2197                                                 goto done;
2198                                         }
2199                                         if ((t%16384)==0)
2200                                         {
2201                                                 keep_alive();
2202                                         }
2203                                 }
2204                         }
2205
2206                         free(data);
2207                 }
2208
2209                 free(buffer);
2210                 image_size += buf_cnt;
2211         }
2212 done:
2213
2214         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2215         {
2216                 image_close(&image);
2217                 return retvaltemp;
2218         }
2219
2220         if (retval==ERROR_OK)
2221         {
2222                 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2223         }
2224         free(duration_text);
2225
2226         image_close(&image);
2227
2228         return retval;
2229 }
2230
2231 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2232 {
2233         int retval;
2234         target_t *target = get_current_target(cmd_ctx);
2235
2236         if (argc == 0)
2237         {
2238                 breakpoint_t *breakpoint = target->breakpoints;
2239
2240                 while (breakpoint)
2241                 {
2242                         if (breakpoint->type == BKPT_SOFT)
2243                         {
2244                                 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2245                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2246                                 free(buf);
2247                         }
2248                         else
2249                         {
2250                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2251                         }
2252                         breakpoint = breakpoint->next;
2253                 }
2254         }
2255         else if (argc >= 2)
2256         {
2257                 int hw = BKPT_SOFT;
2258                 u32 length = 0;
2259
2260                 length = strtoul(args[1], NULL, 0);
2261
2262                 if (argc >= 3)
2263                         if (strcmp(args[2], "hw") == 0)
2264                                 hw = BKPT_HARD;
2265
2266                 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2267                 {
2268                         LOG_ERROR("Failure setting breakpoints");
2269                 }
2270                 else
2271                 {
2272                         command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2273                 }
2274         }
2275         else
2276         {
2277                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2278         }
2279
2280         return ERROR_OK;
2281 }
2282
2283 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2284 {
2285         target_t *target = get_current_target(cmd_ctx);
2286
2287         if (argc > 0)
2288                 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2289
2290         return ERROR_OK;
2291 }
2292
2293 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2294 {
2295         target_t *target = get_current_target(cmd_ctx);
2296         int retval;
2297
2298         if (argc == 0)
2299         {
2300                 watchpoint_t *watchpoint = target->watchpoints;
2301
2302                 while (watchpoint)
2303                 {
2304                         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);
2305                         watchpoint = watchpoint->next;
2306                 }
2307         }
2308         else if (argc >= 2)
2309         {
2310                 enum watchpoint_rw type = WPT_ACCESS;
2311                 u32 data_value = 0x0;
2312                 u32 data_mask = 0xffffffff;
2313
2314                 if (argc >= 3)
2315                 {
2316                         switch(args[2][0])
2317                         {
2318                                 case 'r':
2319                                         type = WPT_READ;
2320                                         break;
2321                                 case 'w':
2322                                         type = WPT_WRITE;
2323                                         break;
2324                                 case 'a':
2325                                         type = WPT_ACCESS;
2326                                         break;
2327                                 default:
2328                                         command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2329                                         return ERROR_OK;
2330                         }
2331                 }
2332                 if (argc >= 4)
2333                 {
2334                         data_value = strtoul(args[3], NULL, 0);
2335                 }
2336                 if (argc >= 5)
2337                 {
2338                         data_mask = strtoul(args[4], NULL, 0);
2339                 }
2340
2341                 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2342                                 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2343                 {
2344                         LOG_ERROR("Failure setting breakpoints");
2345                 }
2346         }
2347         else
2348         {
2349                 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2350         }
2351
2352         return ERROR_OK;
2353 }
2354
2355 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2356 {
2357         target_t *target = get_current_target(cmd_ctx);
2358
2359         if (argc > 0)
2360                 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2361
2362         return ERROR_OK;
2363 }
2364
2365 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2366 {
2367         int retval;
2368         target_t *target = get_current_target(cmd_ctx);
2369         u32 va;
2370         u32 pa;
2371
2372         if (argc != 1)
2373         {
2374                 return ERROR_COMMAND_SYNTAX_ERROR;
2375         }
2376         va = strtoul(args[0], NULL, 0);
2377
2378         retval = target->type->virt2phys(target, va, &pa);
2379         if (retval == ERROR_OK)
2380         {
2381                 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2382         }
2383         else
2384         {
2385                 /* lower levels will have logged a detailed error which is
2386                  * forwarded to telnet/GDB session.
2387                  */
2388         }
2389         return retval;
2390 }
2391 static void writeLong(FILE *f, int l)
2392 {
2393         int i;
2394         for (i=0; i<4; i++)
2395         {
2396                 char c=(l>>(i*8))&0xff;
2397                 fwrite(&c, 1, 1, f);
2398         }
2399
2400 }
2401 static void writeString(FILE *f, char *s)
2402 {
2403         fwrite(s, 1, strlen(s), f);
2404 }
2405
2406
2407
2408 // Dump a gmon.out histogram file.
2409 static void writeGmon(u32 *samples, int sampleNum, char *filename)
2410 {
2411         int i;
2412         FILE *f=fopen(filename, "w");
2413         if (f==NULL)
2414                 return;
2415         fwrite("gmon", 1, 4, f);
2416         writeLong(f, 0x00000001); // Version
2417         writeLong(f, 0); // padding
2418         writeLong(f, 0); // padding
2419         writeLong(f, 0); // padding
2420
2421         fwrite("", 1, 1, f);  // GMON_TAG_TIME_HIST
2422
2423         // figure out bucket size
2424         u32 min=samples[0];
2425         u32 max=samples[0];
2426         for (i=0; i<sampleNum; i++)
2427         {
2428                 if (min>samples[i])
2429                 {
2430                         min=samples[i];
2431                 }
2432                 if (max<samples[i])
2433                 {
2434                         max=samples[i];
2435                 }
2436         }
2437
2438         int addressSpace=(max-min+1);
2439
2440         static int const maxBuckets=256*1024; // maximum buckets.
2441         int length=addressSpace;
2442         if (length > maxBuckets)
2443         {
2444                 length=maxBuckets;
2445         }
2446         int *buckets=malloc(sizeof(int)*length);
2447         if (buckets==NULL)
2448         {
2449                 fclose(f);
2450                 return;
2451         }
2452         memset(buckets, 0, sizeof(int)*length);
2453         for (i=0; i<sampleNum;i++)
2454         {
2455                 u32 address=samples[i];
2456                 long long a=address-min;
2457                 long long b=length-1;
2458                 long long c=addressSpace-1;
2459                 int index=(a*b)/c; // danger!!!! int32 overflows
2460                 buckets[index]++;
2461         }
2462
2463         //                         append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr))
2464         writeLong(f, min);                                      // low_pc
2465         writeLong(f, max);              // high_pc
2466         writeLong(f, length);           // # of samples
2467         writeLong(f, 64000000);                         // 64MHz
2468         writeString(f, "seconds");
2469         for (i=0; i<(15-strlen("seconds")); i++)
2470         {
2471                 fwrite("", 1, 1, f);  // padding
2472         }
2473         writeString(f, "s");
2474
2475 //                         append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size)
2476
2477         char *data=malloc(2*length);
2478         if (data!=NULL)
2479         {
2480                 for (i=0; i<length;i++)
2481                 {
2482                         int val;
2483                         val=buckets[i];
2484                         if (val>65535)
2485                         {
2486                                 val=65535;
2487                         }
2488                         data[i*2]=val&0xff;
2489                         data[i*2+1]=(val>>8)&0xff;
2490                 }
2491                 free(buckets);
2492                 fwrite(data, 1, length*2, f);
2493                 free(data);
2494         } else
2495         {
2496                 free(buckets);
2497         }
2498
2499         fclose(f);
2500 }
2501
2502 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2503 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2504 {
2505         target_t *target = get_current_target(cmd_ctx);
2506         struct timeval timeout, now;
2507
2508         gettimeofday(&timeout, NULL);
2509         if (argc!=2)
2510         {
2511                 return ERROR_COMMAND_SYNTAX_ERROR;
2512         }
2513         char *end;
2514         timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2515         if (*end)
2516         {
2517                 return ERROR_OK;
2518         }
2519
2520         command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2521
2522         static const int maxSample=10000;
2523         u32 *samples=malloc(sizeof(u32)*maxSample);
2524         if (samples==NULL)
2525                 return ERROR_OK;
2526
2527         int numSamples=0;
2528         int retval=ERROR_OK;
2529         // hopefully it is safe to cache! We want to stop/restart as quickly as possible.
2530         reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2531
2532         for (;;)
2533         {
2534                 target_poll(target);
2535                 if (target->state == TARGET_HALTED)
2536                 {
2537                         u32 t=*((u32 *)reg->value);
2538                         samples[numSamples++]=t;
2539                         retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2540                         target_poll(target);
2541                         alive_sleep(10); // sleep 10ms, i.e. <100 samples/second.
2542                 } else if (target->state == TARGET_RUNNING)
2543                 {
2544                         // We want to quickly sample the PC.
2545                         if((retval = target_halt(target)) != ERROR_OK)
2546                         {
2547                                 free(samples);
2548                                 return retval;
2549                         }
2550                 } else
2551                 {
2552                         command_print(cmd_ctx, "Target not halted or running");
2553                         retval=ERROR_OK;
2554                         break;
2555                 }
2556                 if (retval!=ERROR_OK)
2557                 {
2558                         break;
2559                 }
2560
2561                 gettimeofday(&now, NULL);
2562                 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2563                 {
2564                         command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2565                         if((retval = target_poll(target)) != ERROR_OK)
2566                         {
2567                                 free(samples);
2568                                 return retval;
2569                         }
2570                         if (target->state == TARGET_HALTED)
2571                         {
2572                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2573                         }
2574                         if((retval = target_poll(target)) != ERROR_OK)
2575                         {
2576                                 free(samples);
2577                                 return retval;
2578                         }
2579                         writeGmon(samples, numSamples, args[1]);
2580                         command_print(cmd_ctx, "Wrote %s", args[1]);
2581                         break;
2582                 }
2583         }
2584         free(samples);
2585
2586         return ERROR_OK;
2587 }
2588
2589 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2590 {
2591         char *namebuf;
2592         Jim_Obj *nameObjPtr, *valObjPtr;
2593         int result;
2594
2595         namebuf = alloc_printf("%s(%d)", varname, idx);
2596         if (!namebuf)
2597                 return JIM_ERR;
2598
2599         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2600         valObjPtr = Jim_NewIntObj(interp, val);
2601         if (!nameObjPtr || !valObjPtr)
2602         {
2603                 free(namebuf);
2604                 return JIM_ERR;
2605         }
2606
2607         Jim_IncrRefCount(nameObjPtr);
2608         Jim_IncrRefCount(valObjPtr);
2609         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2610         Jim_DecrRefCount(interp, nameObjPtr);
2611         Jim_DecrRefCount(interp, valObjPtr);
2612         free(namebuf);
2613         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2614         return result;
2615 }
2616
2617 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2618 {
2619         command_context_t *context;
2620         target_t *target;
2621
2622         context = Jim_GetAssocData(interp, "context");
2623         if (context == NULL)
2624         {
2625                 LOG_ERROR("mem2array: no command context");
2626                 return JIM_ERR;
2627         }
2628         target = get_current_target(context);
2629         if (target == NULL)
2630         {
2631                 LOG_ERROR("mem2array: no current target");
2632                 return JIM_ERR;
2633         }
2634
2635         return  target_mem2array(interp, target, argc,argv);
2636 }
2637
2638 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2639 {
2640         long l;
2641         u32 width;
2642         int len;
2643         u32 addr;
2644         u32 count;
2645         u32 v;
2646         const char *varname;
2647         u8 buffer[4096];
2648         int  i, n, e, retval;
2649
2650         /* argv[1] = name of array to receive the data
2651          * argv[2] = desired width
2652          * argv[3] = memory address
2653          * argv[4] = count of times to read
2654          */
2655         if (argc != 5) {
2656                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2657                 return JIM_ERR;
2658         }
2659         varname = Jim_GetString(argv[1], &len);
2660         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2661
2662         e = Jim_GetLong(interp, argv[2], &l);
2663         width = l;
2664         if (e != JIM_OK) {
2665                 return e;
2666         }
2667
2668         e = Jim_GetLong(interp, argv[3], &l);
2669         addr = l;
2670         if (e != JIM_OK) {
2671                 return e;
2672         }
2673         e = Jim_GetLong(interp, argv[4], &l);
2674         len = l;
2675         if (e != JIM_OK) {
2676                 return e;
2677         }
2678         switch (width) {
2679                 case 8:
2680                         width = 1;
2681                         break;
2682                 case 16:
2683                         width = 2;
2684                         break;
2685                 case 32:
2686                         width = 4;
2687                         break;
2688                 default:
2689                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2690                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2691                         return JIM_ERR;
2692         }
2693         if (len == 0) {
2694                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2695                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2696                 return JIM_ERR;
2697         }
2698         if ((addr + (len * width)) < addr) {
2699                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2700                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2701                 return JIM_ERR;
2702         }
2703         /* absurd transfer size? */
2704         if (len > 65536) {
2705                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2706                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2707                 return JIM_ERR;
2708         }
2709
2710         if ((width == 1) ||
2711                 ((width == 2) && ((addr & 1) == 0)) ||
2712                 ((width == 4) && ((addr & 3) == 0))) {
2713                 /* all is well */
2714         } else {
2715                 char buf[100];
2716                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2717                 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2718                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2719                 return JIM_ERR;
2720         }
2721
2722         /* Transfer loop */
2723
2724         /* index counter */
2725         n = 0;
2726         /* assume ok */
2727         e = JIM_OK;
2728         while (len) {
2729                 /* Slurp... in buffer size chunks */
2730
2731                 count = len; /* in objects.. */
2732                 if (count > (sizeof(buffer)/width)) {
2733                         count = (sizeof(buffer)/width);
2734                 }
2735
2736                 retval = target->type->read_memory( target, addr, width, count, buffer );
2737                 if (retval != ERROR_OK) {
2738                         /* BOO !*/
2739                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2740                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2741                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2742                         e = JIM_ERR;
2743                         len = 0;
2744                 } else {
2745                         v = 0; /* shut up gcc */
2746                         for (i = 0 ;i < count ;i++, n++) {
2747                                 switch (width) {
2748                                         case 4:
2749                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
2750                                                 break;
2751                                         case 2:
2752                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
2753                                                 break;
2754                                         case 1:
2755                                                 v = buffer[i] & 0x0ff;
2756                                                 break;
2757                                 }
2758                                 new_int_array_element(interp, varname, n, v);
2759                         }
2760                         len -= count;
2761                 }
2762         }
2763
2764         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2765
2766         return JIM_OK;
2767 }
2768
2769 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
2770 {
2771         char *namebuf;
2772         Jim_Obj *nameObjPtr, *valObjPtr;
2773         int result;
2774         long l;
2775
2776         namebuf = alloc_printf("%s(%d)", varname, idx);
2777         if (!namebuf)
2778                 return JIM_ERR;
2779
2780         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2781         if (!nameObjPtr)
2782         {
2783                 free(namebuf);
2784                 return JIM_ERR;
2785         }
2786
2787         Jim_IncrRefCount(nameObjPtr);
2788         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
2789         Jim_DecrRefCount(interp, nameObjPtr);
2790         free(namebuf);
2791         if (valObjPtr == NULL)
2792                 return JIM_ERR;
2793
2794         result = Jim_GetLong(interp, valObjPtr, &l);
2795         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
2796         *val = l;
2797         return result;
2798 }
2799
2800 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2801 {
2802         command_context_t *context;
2803         target_t *target;
2804
2805         context = Jim_GetAssocData(interp, "context");
2806         if (context == NULL){
2807                 LOG_ERROR("array2mem: no command context");
2808                 return JIM_ERR;
2809         }
2810         target = get_current_target(context);
2811         if (target == NULL){
2812                 LOG_ERROR("array2mem: no current target");
2813                 return JIM_ERR;
2814         }
2815
2816         return target_array2mem( interp,target, argc, argv );
2817 }
2818
2819
2820 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2821 {
2822         long l;
2823         u32 width;
2824         int len;
2825         u32 addr;
2826         u32 count;
2827         u32 v;
2828         const char *varname;
2829         u8 buffer[4096];
2830         int  i, n, e, retval;
2831
2832         /* argv[1] = name of array to get the data
2833          * argv[2] = desired width
2834          * argv[3] = memory address
2835          * argv[4] = count to write
2836          */
2837         if (argc != 5) {
2838                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2839                 return JIM_ERR;
2840         }
2841         varname = Jim_GetString(argv[1], &len);
2842         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2843
2844         e = Jim_GetLong(interp, argv[2], &l);
2845         width = l;
2846         if (e != JIM_OK) {
2847                 return e;
2848         }
2849
2850         e = Jim_GetLong(interp, argv[3], &l);
2851         addr = l;
2852         if (e != JIM_OK) {
2853                 return e;
2854         }
2855         e = Jim_GetLong(interp, argv[4], &l);
2856         len = l;
2857         if (e != JIM_OK) {
2858                 return e;
2859         }
2860         switch (width) {
2861                 case 8:
2862                         width = 1;
2863                         break;
2864                 case 16:
2865                         width = 2;
2866                         break;
2867                 case 32:
2868                         width = 4;
2869                         break;
2870                 default:
2871                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2872                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2873                         return JIM_ERR;
2874         }
2875         if (len == 0) {
2876                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2877                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
2878                 return JIM_ERR;
2879         }
2880         if ((addr + (len * width)) < addr) {
2881                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2882                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
2883                 return JIM_ERR;
2884         }
2885         /* absurd transfer size? */
2886         if (len > 65536) {
2887                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2888                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
2889                 return JIM_ERR;
2890         }
2891
2892         if ((width == 1) ||
2893                 ((width == 2) && ((addr & 1) == 0)) ||
2894                 ((width == 4) && ((addr & 3) == 0))) {
2895                 /* all is well */
2896         } else {
2897                 char buf[100];
2898                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2899                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
2900                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2901                 return JIM_ERR;
2902         }
2903
2904
2905         /* Transfer loop */
2906
2907         /* index counter */
2908         n = 0;
2909         /* assume ok */
2910         e = JIM_OK;
2911         while (len) {
2912                 /* Slurp... in buffer size chunks */
2913
2914                 count = len; /* in objects.. */
2915                 if (count > (sizeof(buffer)/width)) {
2916                         count = (sizeof(buffer)/width);
2917                 }
2918
2919                 v = 0; /* shut up gcc */
2920                 for (i = 0 ;i < count ;i++, n++) {
2921                         get_int_array_element(interp, varname, n, &v);
2922                         switch (width) {
2923                         case 4:
2924                                 target_buffer_set_u32(target, &buffer[i*width], v);
2925                                 break;
2926                         case 2:
2927                                 target_buffer_set_u16(target, &buffer[i*width], v);
2928                                 break;
2929                         case 1:
2930                                 buffer[i] = v & 0x0ff;
2931                                 break;
2932                         }
2933                 }
2934                 len -= count;
2935
2936                 retval = target->type->write_memory(target, addr, width, count, buffer);
2937                 if (retval != ERROR_OK) {
2938                         /* BOO !*/
2939                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2940                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2941                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
2942                         e = JIM_ERR;
2943                         len = 0;
2944                 }
2945         }
2946
2947         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2948
2949         return JIM_OK;
2950 }
2951
2952 void
2953 target_all_handle_event( enum target_event e )
2954 {
2955         target_t *target;
2956
2957
2958         LOG_DEBUG( "**all*targets: event: %d, %s",
2959                    e,
2960                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
2961
2962         target = all_targets;
2963         while (target){
2964                 target_handle_event( target, e );
2965                 target = target->next;
2966         }
2967 }
2968
2969 void
2970 target_handle_event( target_t *target, enum target_event e )
2971 {
2972         target_event_action_t *teap;
2973         int done;
2974
2975         teap = target->event_action;
2976
2977         done = 0;
2978         while( teap ){
2979                 if( teap->event == e ){
2980                         done = 1;
2981                         LOG_DEBUG( "target: (%d) %s (%s) event: %d (%s) action: %s\n",
2982                                            target->target_number,
2983                                            target->cmd_name,
2984                                            target->type->name,
2985                                            e,
2986                                            Jim_Nvp_value2name_simple( nvp_target_event, e )->name,
2987                                            Jim_GetString( teap->body, NULL ) );
2988                         if (Jim_EvalObj( interp, teap->body )!=JIM_OK)
2989                         {
2990                                 Jim_PrintErrorMessage(interp);
2991                         }
2992                 }
2993                 teap = teap->next;
2994         }
2995         if( !done ){
2996                 LOG_DEBUG( "event: %d %s - no action",
2997                                    e,
2998                                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
2999         }
3000 }
3001
3002 enum target_cfg_param {
3003         TCFG_TYPE,
3004         TCFG_EVENT,
3005         TCFG_WORK_AREA_VIRT,
3006         TCFG_WORK_AREA_PHYS,
3007         TCFG_WORK_AREA_SIZE,
3008         TCFG_WORK_AREA_BACKUP,
3009         TCFG_ENDIAN,
3010         TCFG_VARIANT,
3011         TCFG_CHAIN_POSITION,
3012 };
3013
3014
3015 static Jim_Nvp nvp_config_opts[] = {
3016         { .name = "-type",             .value = TCFG_TYPE },
3017         { .name = "-event",            .value = TCFG_EVENT },
3018         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3019         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3020         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3021         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3022         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3023         { .name = "-variant",          .value = TCFG_VARIANT },
3024         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3025
3026         { .name = NULL, .value = -1 }
3027 };
3028
3029
3030 static int
3031 target_configure( Jim_GetOptInfo *goi,
3032                                   target_t *target )
3033 {
3034         Jim_Nvp *n;
3035         Jim_Obj *o;
3036         jim_wide w;
3037         char *cp;
3038         int e;
3039
3040
3041         /* parse config or cget options ... */
3042         while( goi->argc > 0 ){
3043                 Jim_SetEmptyResult( goi->interp );
3044                 //Jim_GetOpt_Debug( goi );
3045
3046                 if( target->type->target_jim_configure ){
3047                         /* target defines a configure function */
3048                         /* target gets first dibs on parameters */
3049                         e = (*(target->type->target_jim_configure))( target, goi );
3050                         if( e == JIM_OK ){
3051                                 /* more? */
3052                                 continue;
3053                         }
3054                         if( e == JIM_ERR ){
3055                                 /* An error */
3056                                 return e;
3057                         }
3058                         /* otherwise we 'continue' below */
3059                 }
3060                 e = Jim_GetOpt_Nvp( goi, nvp_config_opts, &n );
3061                 if( e != JIM_OK ){
3062                         Jim_GetOpt_NvpUnknown( goi, nvp_config_opts, 0 );
3063                         return e;
3064                 }
3065                 switch( n->value ){
3066                 case TCFG_TYPE:
3067                         /* not setable */
3068                         if( goi->isconfigure ){
3069                                 Jim_SetResult_sprintf( goi->interp, "not setable: %s", n->name );
3070                                 return JIM_ERR;
3071                         } else {
3072                         no_params:
3073                                 if( goi->argc != 0 ){
3074                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "NO PARAMS");
3075                                         return JIM_ERR;
3076                                 }
3077                         }
3078                         Jim_SetResultString( goi->interp, target->type->name, -1 );
3079                         /* loop for more */
3080                         break;
3081                 case TCFG_EVENT:
3082                         if( goi->argc == 0 ){
3083                                 Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3084                                 return JIM_ERR;
3085                         }
3086
3087                         e = Jim_GetOpt_Nvp( goi, nvp_target_event, &n );
3088                         if( e != JIM_OK ){
3089                                 Jim_GetOpt_NvpUnknown( goi, nvp_target_event, 1 );
3090                                 return e;
3091                         }
3092
3093                         if( goi->isconfigure ){
3094                                 if( goi->argc != 1 ){
3095                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3096                                         return JIM_ERR;
3097                                 }
3098                         } else {
3099                                 if( goi->argc != 0 ){
3100                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3101                                         return JIM_ERR;
3102                                 }
3103                         }
3104
3105
3106                         {
3107                                 target_event_action_t *teap;
3108
3109                                 teap = target->event_action;
3110                                 /* replace existing? */
3111                                 while( teap ){
3112                                         if( teap->event == n->value ){
3113                                                 break;
3114                                         }
3115                                         teap = teap->next;
3116                                 }
3117
3118                                 if( goi->isconfigure ){
3119                                         if( teap == NULL ){
3120                                                 /* create new */
3121                                                 teap = calloc( 1, sizeof(*teap) );
3122                                         }
3123                                         teap->event = n->value;
3124                                         Jim_GetOpt_Obj( goi, &o );
3125                                         if( teap->body ){
3126                                                 Jim_DecrRefCount( interp, teap->body );
3127                                         }
3128                                         teap->body  = Jim_DuplicateObj( goi->interp, o );
3129                                         /*
3130                                          * FIXME:
3131                                          *     Tcl/TK - "tk events" have a nice feature.
3132                                          *     See the "BIND" command.
3133                                          *    We should support that here.
3134                                          *     You can specify %X and %Y in the event code.
3135                                          *     The idea is: %T - target name.
3136                                          *     The idea is: %N - target number
3137                                          *     The idea is: %E - event name.
3138                                          */
3139                                         Jim_IncrRefCount( teap->body );
3140
3141                                         /* add to head of event list */
3142                                         teap->next = target->event_action;
3143                                         target->event_action = teap;
3144                                         Jim_SetEmptyResult(goi->interp);
3145                                 } else {
3146                                         /* get */
3147                                         if( teap == NULL ){
3148                                                 Jim_SetEmptyResult( goi->interp );
3149                                         } else {
3150                                                 Jim_SetResult( goi->interp, Jim_DuplicateObj( goi->interp, teap->body ) );
3151                                         }
3152                                 }
3153                         }
3154                         /* loop for more */
3155                         break;
3156
3157                 case TCFG_WORK_AREA_VIRT:
3158                         if( goi->isconfigure ){
3159                                 target_free_all_working_areas(target);
3160                                 e = Jim_GetOpt_Wide( goi, &w );
3161                                 if( e != JIM_OK ){
3162                                         return e;
3163                                 }
3164                                 target->working_area_virt = w;
3165                         } else {
3166                                 if( goi->argc != 0 ){
3167                                         goto no_params;
3168                                 }
3169                         }
3170                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_virt ) );
3171                         /* loop for more */
3172                         break;
3173
3174                 case TCFG_WORK_AREA_PHYS:
3175                         if( goi->isconfigure ){
3176                                 target_free_all_working_areas(target);
3177                                 e = Jim_GetOpt_Wide( goi, &w );
3178                                 if( e != JIM_OK ){
3179                                         return e;
3180                                 }
3181                                 target->working_area_phys = w;
3182                         } else {
3183                                 if( goi->argc != 0 ){
3184                                         goto no_params;
3185                                 }
3186                         }
3187                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_phys ) );
3188                         /* loop for more */
3189                         break;
3190
3191                 case TCFG_WORK_AREA_SIZE:
3192                         if( goi->isconfigure ){
3193                                 target_free_all_working_areas(target);
3194                                 e = Jim_GetOpt_Wide( goi, &w );
3195                                 if( e != JIM_OK ){
3196                                         return e;
3197                                 }
3198                                 target->working_area_size = w;
3199                         } else {
3200                                 if( goi->argc != 0 ){
3201                                         goto no_params;
3202                                 }
3203                         }
3204                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3205                         /* loop for more */
3206                         break;
3207
3208                 case TCFG_WORK_AREA_BACKUP:
3209                         if( goi->isconfigure ){
3210                                 target_free_all_working_areas(target);
3211                                 e = Jim_GetOpt_Wide( goi, &w );
3212                                 if( e != JIM_OK ){
3213                                         return e;
3214                                 }
3215                                 /* make this exactly 1 or 0 */
3216                                 target->backup_working_area = (!!w);
3217                         } else {
3218                                 if( goi->argc != 0 ){
3219                                         goto no_params;
3220                                 }
3221                         }
3222                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3223                         /* loop for more e*/
3224                         break;
3225
3226                 case TCFG_ENDIAN:
3227                         if( goi->isconfigure ){
3228                                 e = Jim_GetOpt_Nvp( goi, nvp_target_endian, &n );
3229                                 if( e != JIM_OK ){
3230                                         Jim_GetOpt_NvpUnknown( goi, nvp_target_endian, 1 );
3231                                         return e;
3232                                 }
3233                                 target->endianness = n->value;
3234                         } else {
3235                                 if( goi->argc != 0 ){
3236                                         goto no_params;
3237                                 }
3238                         }
3239                         n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3240                         if( n->name == NULL ){
3241                                 target->endianness = TARGET_LITTLE_ENDIAN;
3242                                 n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3243                         }
3244                         Jim_SetResultString( goi->interp, n->name, -1 );
3245                         /* loop for more */
3246                         break;
3247
3248                 case TCFG_VARIANT:
3249                         if( goi->isconfigure ){
3250                                 if( goi->argc < 1 ){
3251                                         Jim_SetResult_sprintf( goi->interp,
3252                                                                                    "%s ?STRING?",
3253                                                                                    n->name );
3254                                         return JIM_ERR;
3255                                 }
3256                                 if( target->variant ){
3257                                         free((void *)(target->variant));
3258                                 }
3259                                 e = Jim_GetOpt_String( goi, &cp, NULL );
3260                                 target->variant = strdup(cp);
3261                         } else {
3262                                 if( goi->argc != 0 ){
3263                                         goto no_params;
3264                                 }
3265                         }
3266                         Jim_SetResultString( goi->interp, target->variant,-1 );
3267                         /* loop for more */
3268                         break;
3269                 case TCFG_CHAIN_POSITION:
3270                         if( goi->isconfigure ){
3271                                 target_free_all_working_areas(target);
3272                                 e = Jim_GetOpt_Wide( goi, &w );
3273                                 if( e != JIM_OK ){
3274                                         return e;
3275                                 }
3276                                 /* make this exactly 1 or 0 */
3277                                 target->chain_position = w;
3278                         } else {
3279                                 if( goi->argc != 0 ){
3280                                         goto no_params;
3281                                 }
3282                         }
3283                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->chain_position ) );
3284                         /* loop for more e*/
3285                         break;
3286                 }
3287         } /* while( goi->argc ) */
3288                 /* done - we return */
3289         return JIM_OK;
3290 }
3291
3292
3293 /** this is the 'tcl' handler for the target specific command */
3294 static int
3295 tcl_target_func( Jim_Interp *interp,
3296                                  int argc,
3297                                  Jim_Obj *const *argv )
3298 {
3299         Jim_GetOptInfo goi;
3300         jim_wide a,b,c;
3301         int x,y,z;
3302         u8  target_buf[32];
3303         Jim_Nvp *n;
3304         target_t *target;
3305         struct command_context_s *cmd_ctx;
3306         int e;
3307
3308
3309         enum {
3310                 TS_CMD_CONFIGURE,
3311                 TS_CMD_CGET,
3312
3313                 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3314                 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3315                 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3316                 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3317                 TS_CMD_EXAMINE,
3318                 TS_CMD_POLL,
3319                 TS_CMD_RESET,
3320                 TS_CMD_HALT,
3321                 TS_CMD_WAITSTATE,
3322                 TS_CMD_EVENTLIST,
3323                 TS_CMD_CURSTATE,
3324                 TS_CMD_INVOKE_EVENT,
3325         };
3326
3327         static const Jim_Nvp target_options[] = {
3328                 { .name = "configure", .value = TS_CMD_CONFIGURE },
3329                 { .name = "cget", .value = TS_CMD_CGET },
3330                 { .name = "mww", .value = TS_CMD_MWW },
3331                 { .name = "mwh", .value = TS_CMD_MWH },
3332                 { .name = "mwb", .value = TS_CMD_MWB },
3333                 { .name = "mdw", .value = TS_CMD_MDW },
3334                 { .name = "mdh", .value = TS_CMD_MDH },
3335                 { .name = "mdb", .value = TS_CMD_MDB },
3336                 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3337                 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3338                 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3339                 { .name = "curstate",  .value = TS_CMD_CURSTATE },
3340
3341                 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3342                 { .name = "arp_poll", .value = TS_CMD_POLL },
3343                 { .name = "arp_reset", .value = TS_CMD_RESET },
3344                 { .name = "arp_halt", .value = TS_CMD_HALT },
3345                 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3346                 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3347
3348                 { .name = NULL, .value = -1 },
3349         };
3350
3351
3352         /* go past the "command" */
3353         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3354
3355         target = Jim_CmdPrivData( goi.interp );
3356         cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3357
3358         /* commands here are in an NVP table */
3359         e = Jim_GetOpt_Nvp( &goi, target_options, &n );
3360         if( e != JIM_OK ){
3361                 Jim_GetOpt_NvpUnknown( &goi, target_options, 0 );
3362                 return e;
3363         }
3364         // Assume blank result
3365         Jim_SetEmptyResult( goi.interp );
3366
3367         switch( n->value ){
3368         case TS_CMD_CONFIGURE:
3369                 if( goi.argc < 2 ){
3370                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3371                         return JIM_ERR;
3372                 }
3373                 goi.isconfigure = 1;
3374                 return target_configure( &goi, target );
3375         case TS_CMD_CGET:
3376                 // some things take params
3377                 if( goi.argc < 1 ){
3378                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "missing: ?-option?");
3379                         return JIM_ERR;
3380                 }
3381                 goi.isconfigure = 0;
3382                 return target_configure( &goi, target );
3383                 break;
3384         case TS_CMD_MWW:
3385         case TS_CMD_MWH:
3386         case TS_CMD_MWB:
3387                 /* argv[0] = cmd
3388                  * argv[1] = address
3389                  * argv[2] = data
3390                  * argv[3] = optional count.
3391                  */
3392
3393                 if( (goi.argc == 3) || (goi.argc == 4) ){
3394                         /* all is well */
3395                 } else {
3396                 mwx_error:
3397                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR DATA [COUNT]", n->name );
3398                         return JIM_ERR;
3399                 }
3400
3401                 e = Jim_GetOpt_Wide( &goi, &a );
3402                 if( e != JIM_OK ){
3403                         goto mwx_error;
3404                 }
3405
3406                 e = Jim_GetOpt_Wide( &goi, &b );
3407                 if( e != JIM_OK ){
3408                         goto mwx_error;
3409                 }
3410                 if( goi.argc ){
3411                         e = Jim_GetOpt_Wide( &goi, &c );
3412                         if( e != JIM_OK ){
3413                                 goto mwx_error;
3414                         }
3415                 } else {
3416                         c = 1;
3417                 }
3418
3419                 switch( n->value ){
3420                 case TS_CMD_MWW:
3421                         target_buffer_set_u32( target, target_buf, b );
3422                         b = 4;
3423                         break;
3424                 case TS_CMD_MWH:
3425                         target_buffer_set_u16( target, target_buf, b );
3426                         b = 2;
3427                         break;
3428                 case TS_CMD_MWB:
3429                         target_buffer_set_u8( target, target_buf, b );
3430                         b = 1;
3431                         break;
3432                 }
3433                 for( x = 0 ; x < c ; x++ ){
3434                         e = target->type->write_memory( target, a, b, 1, target_buf );
3435                         if( e != ERROR_OK ){
3436                                 Jim_SetResult_sprintf( interp, "Error writing @ 0x%08x: %d\n", (int)(a), e );
3437                                 return JIM_ERR;
3438                         }
3439                         /* b = width */
3440                         a = a + b;
3441                 }
3442                 return JIM_OK;
3443                 break;
3444
3445                 /* display */
3446         case TS_CMD_MDW:
3447         case TS_CMD_MDH:
3448         case TS_CMD_MDB:
3449                 /* argv[0] = command
3450                  * argv[1] = address
3451                  * argv[2] = optional count
3452                  */
3453                 if( (goi.argc == 2) || (goi.argc == 3) ){
3454                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR [COUNT]", n->name );
3455                         return JIM_ERR;
3456                 }
3457                 e = Jim_GetOpt_Wide( &goi, &a );
3458                 if( e != JIM_OK ){
3459                         return JIM_ERR;
3460                 }
3461                 if( goi.argc ){
3462                         e = Jim_GetOpt_Wide( &goi, &c );
3463                         if( e != JIM_OK ){
3464                                 return JIM_ERR;
3465                         }
3466                 } else {
3467                         c = 1;
3468                 }
3469                 b = 1; /* shut up gcc */
3470                 switch( n->value ){
3471                 case TS_CMD_MDW:
3472                         b =  4;
3473                         break;
3474                 case TS_CMD_MDH:
3475                         b = 2;
3476                         break;
3477                 case TS_CMD_MDB:
3478                         b = 1;
3479                         break;
3480                 }
3481
3482                 /* convert to "bytes" */
3483                 c = c * b;
3484                 /* count is now in 'BYTES' */
3485                 while( c > 0 ){
3486                         y = c;
3487                         if( y > 16 ){
3488                                 y = 16;
3489                         }
3490                         e = target->type->read_memory( target, a, b, y / b, target_buf );
3491                         if( e != ERROR_OK ){
3492                                 Jim_SetResult_sprintf( interp, "error reading target @ 0x%08lx", (int)(a) );
3493                                 return JIM_ERR;
3494                         }
3495
3496                         Jim_fprintf( interp, interp->cookie_stdout, "0x%08x ", (int)(a) );
3497                         switch( b ){
3498                         case 4:
3499                                 for( x = 0 ; (x < 16) && (x < y) ; x += 4 ){
3500                                         z = target_buffer_get_u32( target, &(target_buf[ x * 4 ]) );
3501                                         Jim_fprintf( interp, interp->cookie_stdout, "%08x ", (int)(z) );
3502                                 }
3503                                 for( ; (x < 16) ; x += 4 ){
3504                                         Jim_fprintf( interp, interp->cookie_stdout, "         " );
3505                                 }
3506                                 break;
3507                         case 2:
3508                                 for( x = 0 ; (x < 16) && (x < y) ; x += 2 ){
3509                                         z = target_buffer_get_u16( target, &(target_buf[ x * 2 ]) );
3510                                         Jim_fprintf( interp, interp->cookie_stdout, "%04x ", (int)(z) );
3511                                 }
3512                                 for( ; (x < 16) ; x += 2 ){
3513                                         Jim_fprintf( interp, interp->cookie_stdout, "     " );
3514                                 }
3515                                 break;
3516                         case 1:
3517                         default:
3518                                 for( x = 0 ; (x < 16) && (x < y) ; x += 1 ){
3519                                         z = target_buffer_get_u8( target, &(target_buf[ x * 4 ]) );
3520                                         Jim_fprintf( interp, interp->cookie_stdout, "%02x ", (int)(z) );
3521                                 }
3522                                 for( ; (x < 16) ; x += 1 ){
3523                                         Jim_fprintf( interp, interp->cookie_stdout, "   " );
3524                                 }
3525                                 break;
3526                         }
3527                         /* ascii-ify the bytes */
3528                         for( x = 0 ; x < y ; x++ ){
3529                                 if( (target_buf[x] >= 0x20) &&
3530                                         (target_buf[x] <= 0x7e) ){
3531                                         /* good */
3532                                 } else {
3533                                         /* smack it */
3534                                         target_buf[x] = '.';
3535                                 }
3536                         }
3537                         /* space pad  */
3538                         while( x < 16 ){
3539                                 target_buf[x] = ' ';
3540                                 x++;
3541                         }
3542                         /* terminate */
3543                         target_buf[16] = 0;
3544                         /* print - with a newline */
3545                         Jim_fprintf( interp, interp->cookie_stdout, "%s\n", target_buf );
3546                         /* NEXT... */
3547                         c -= 16;
3548                         a += 16;
3549                 }
3550                 return JIM_OK;
3551         case TS_CMD_MEM2ARRAY:
3552                 return target_mem2array( goi.interp, target, goi.argc, goi.argv );
3553                 break;
3554         case TS_CMD_ARRAY2MEM:
3555                 return target_array2mem( goi.interp, target, goi.argc, goi.argv );
3556                 break;
3557         case TS_CMD_EXAMINE:
3558                 if( goi.argc ){
3559                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3560                         return JIM_ERR;
3561                 }
3562                 e = target->type->examine( target );
3563                 if( e != ERROR_OK ){
3564                         Jim_SetResult_sprintf( interp, "examine-fails: %d", e );
3565                         return JIM_ERR;
3566                 }
3567                 return JIM_OK;
3568         case TS_CMD_POLL:
3569                 if( goi.argc ){
3570                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3571                         return JIM_ERR;
3572                 }
3573                 if( !(target->type->examined) ){
3574                         e = ERROR_TARGET_NOT_EXAMINED;
3575                 } else {
3576                         e = target->type->poll( target );
3577                 }
3578                 if( e != ERROR_OK ){
3579                         Jim_SetResult_sprintf( interp, "poll-fails: %d", e );
3580                         return JIM_ERR;
3581                 } else {
3582                         return JIM_OK;
3583                 }
3584                 break;
3585         case TS_CMD_RESET:
3586                 if( goi.argc != 2 ){
3587                         Jim_WrongNumArgs( interp, 2, argv, "t|f|assert|deassert BOOL");
3588                         return JIM_ERR;
3589                 }
3590                 e = Jim_GetOpt_Nvp( &goi, nvp_assert, &n );
3591                 if( e != JIM_OK ){
3592                         Jim_GetOpt_NvpUnknown( &goi, nvp_assert, 1 );
3593                         return e;
3594                 }
3595                 // the halt or not param
3596                 e = Jim_GetOpt_Wide( &goi, &a);
3597                 if( e != JIM_OK ){
3598                         return e;
3599                 }
3600                 // determine if we should halt or not.
3601                 target->reset_halt = !!a;
3602                 // When this happens - all workareas are invalid.
3603                 target_free_all_working_areas_restore(target, 0);
3604
3605                 // do the assert
3606                 if( n->value == NVP_ASSERT ){
3607                         target->type->assert_reset( target );
3608                 } else {
3609                         target->type->deassert_reset( target );
3610                 }
3611                 return JIM_OK;
3612         case TS_CMD_HALT:
3613                 if( goi.argc ){
3614                         Jim_WrongNumArgs( goi.interp, 0, argv, "halt [no parameters]");
3615                         return JIM_ERR;
3616                 }
3617                 target->type->halt( target );
3618                 return JIM_OK;
3619         case TS_CMD_WAITSTATE:
3620                 // params:  <name>  statename timeoutmsecs
3621                 if( goi.argc != 2 ){
3622                         Jim_SetResult_sprintf( goi.interp, "%s STATENAME TIMEOUTMSECS", n->name );
3623                         return JIM_ERR;
3624                 }
3625                 e = Jim_GetOpt_Nvp( &goi, nvp_target_state, &n );
3626                 if( e != JIM_OK ){
3627                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_state,1 );
3628                         return e;
3629                 }
3630                 e = Jim_GetOpt_Wide( &goi, &a );
3631                 if( e != JIM_OK ){
3632                         return e;
3633                 }
3634                 e = target_wait_state( target, n->value, a );
3635                 if( e != ERROR_OK ){
3636                         Jim_SetResult_sprintf( goi.interp,
3637                                                                    "target: %s wait %s fails (%d) %s",
3638                                                                    target->cmd_name,
3639                                                                    n->name,
3640                                                e, target_strerror_safe(e) );
3641                         return JIM_ERR;
3642                 } else {
3643                         return JIM_OK;
3644                 }
3645         case TS_CMD_EVENTLIST:
3646                 /* List for human, Events defined for this target.
3647                  * scripts/programs should use 'name cget -event NAME'
3648                  */
3649                 {
3650                         target_event_action_t *teap;
3651                         teap = target->event_action;
3652                         command_print( cmd_ctx, "Event actions for target (%d) %s\n",
3653                                                    target->target_number,
3654                                                    target->cmd_name );
3655                         command_print( cmd_ctx, "%-25s | Body", "Event");
3656                         command_print( cmd_ctx, "------------------------- | ----------------------------------------");
3657                         while( teap ){
3658                                 command_print( cmd_ctx,
3659                                                            "%-25s | %s",
3660                                                            Jim_Nvp_value2name_simple( nvp_target_event, teap->event )->name,
3661                                                            Jim_GetString( teap->body, NULL ) );
3662                                 teap = teap->next;
3663                         }
3664                         command_print( cmd_ctx, "***END***");
3665                         return JIM_OK;
3666                 }
3667         case TS_CMD_CURSTATE:
3668                 if( goi.argc != 0 ){
3669                         Jim_WrongNumArgs( goi.interp, 0, argv, "[no parameters]");
3670                         return JIM_ERR;
3671                 }
3672                 Jim_SetResultString( goi.interp,
3673                                                          Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name,-1);
3674                 return JIM_OK;
3675         case TS_CMD_INVOKE_EVENT:
3676                 if( goi.argc != 1 ){
3677                         Jim_SetResult_sprintf( goi.interp, "%s ?EVENTNAME?",n->name);
3678                         return JIM_ERR;
3679                 }
3680                 e = Jim_GetOpt_Nvp( &goi, nvp_target_event, &n );
3681                 if( e != JIM_OK ){
3682                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_event, 1 );
3683                         return e;
3684                 }
3685                 target_handle_event( target, n->value );
3686                 return JIM_OK;
3687         }
3688         return JIM_ERR;
3689 }
3690
3691
3692 static int
3693 target_create( Jim_GetOptInfo *goi )
3694 {
3695
3696         Jim_Obj *new_cmd;
3697         Jim_Cmd *cmd;
3698         const char *cp;
3699         char *cp2;
3700         int e;
3701         int x;
3702         target_t *target;
3703         struct command_context_s *cmd_ctx;
3704
3705         cmd_ctx = Jim_GetAssocData(goi->interp, "context");
3706         if( goi->argc < 3 ){
3707                 Jim_WrongNumArgs( goi->interp, 1, goi->argv, "?name? ?type? ..options...");
3708                 return JIM_ERR;
3709         }
3710
3711         /* COMMAND */
3712         Jim_GetOpt_Obj( goi, &new_cmd );
3713         /* does this command exist? */
3714         cmd = Jim_GetCommand( goi->interp, new_cmd, JIM_ERRMSG );
3715         if( cmd ){
3716                 cp = Jim_GetString( new_cmd, NULL );
3717                 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
3718                 return JIM_ERR;
3719         }
3720
3721         /* TYPE */
3722         e = Jim_GetOpt_String( goi, &cp2, NULL );
3723         cp = cp2;
3724         /* now does target type exist */
3725         for( x = 0 ; target_types[x] ; x++ ){
3726                 if( 0 == strcmp( cp, target_types[x]->name ) ){
3727                         /* found */
3728                         break;
3729                 }
3730         }
3731         if( target_types[x] == NULL ){
3732                 Jim_SetResult_sprintf( goi->interp, "Unknown target type %s, try one of ", cp );
3733                 for( x = 0 ; target_types[x] ; x++ ){
3734                         if( target_types[x+1] ){
3735                                 Jim_AppendStrings( goi->interp,
3736                                                                    Jim_GetResult(goi->interp),
3737                                                                    target_types[x]->name,
3738                                                                    ", ", NULL);
3739                         } else {
3740                                 Jim_AppendStrings( goi->interp,
3741                                                                    Jim_GetResult(goi->interp),
3742                                                                    " or ",
3743                                                                    target_types[x]->name,NULL );
3744                         }
3745                 }
3746                 return JIM_ERR;
3747         }
3748
3749
3750         /* Create it */
3751         target = calloc(1,sizeof(target_t));
3752         /* set target number */
3753         target->target_number = new_target_number();
3754
3755         /* allocate memory for each unique target type */
3756         target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
3757
3758         memcpy( target->type, target_types[x], sizeof(target_type_t));
3759
3760         /* will be set by "-endian" */
3761         target->endianness = TARGET_ENDIAN_UNKNOWN;
3762
3763         target->working_area        = 0x0;
3764         target->working_area_size   = 0x0;
3765         target->working_areas       = NULL;
3766         target->backup_working_area = 0;
3767
3768         target->state               = TARGET_UNKNOWN;
3769         target->debug_reason        = DBG_REASON_UNDEFINED;
3770         target->reg_cache           = NULL;
3771         target->breakpoints         = NULL;
3772         target->watchpoints         = NULL;
3773         target->next                = NULL;
3774         target->arch_info           = NULL;
3775
3776         /* initialize trace information */
3777         target->trace_info = malloc(sizeof(trace_t));
3778         target->trace_info->num_trace_points         = 0;
3779         target->trace_info->trace_points_size        = 0;
3780         target->trace_info->trace_points             = NULL;
3781         target->trace_info->trace_history_size       = 0;
3782         target->trace_info->trace_history            = NULL;
3783         target->trace_info->trace_history_pos        = 0;
3784         target->trace_info->trace_history_overflowed = 0;
3785
3786         target->dbgmsg          = NULL;
3787         target->dbg_msg_enabled = 0;
3788
3789         target->endianness = TARGET_ENDIAN_UNKNOWN;
3790
3791         /* Do the rest as "configure" options */
3792         goi->isconfigure = 1;
3793         e = target_configure( goi, target);
3794         if( e != JIM_OK ){
3795                 free( target->type );
3796                 free( target );
3797                 return e;
3798         }
3799
3800         if( target->endianness == TARGET_ENDIAN_UNKNOWN ){
3801                 /* default endian to little if not specified */
3802                 target->endianness = TARGET_LITTLE_ENDIAN;
3803         }
3804
3805         /* create the target specific commands */
3806         if( target->type->register_commands ){
3807                 (*(target->type->register_commands))( cmd_ctx );
3808         }
3809         if( target->type->target_create ){
3810                 (*(target->type->target_create))( target, goi->interp );
3811         }
3812
3813         /* append to end of list */
3814         {
3815                 target_t **tpp;
3816                 tpp = &(all_targets);
3817                 while( *tpp ){
3818                         tpp = &( (*tpp)->next );
3819                 }
3820                 *tpp = target;
3821         }
3822
3823         cp = Jim_GetString( new_cmd, NULL );
3824         target->cmd_name = strdup(cp);
3825
3826         /* now - create the new target name command */
3827         e = Jim_CreateCommand( goi->interp,
3828                                                    /* name */
3829                                                    cp,
3830                                                    tcl_target_func, /* C function */
3831                                                    target, /* private data */
3832                                                    NULL ); /* no del proc */
3833
3834         return e;
3835 }
3836
3837 static int
3838 jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3839 {
3840         int x,r,e;
3841         jim_wide w;
3842         struct command_context_s *cmd_ctx;
3843         const char *cp;
3844         target_t *target;
3845         Jim_GetOptInfo goi;
3846         enum tcmd {
3847                 /* TG = target generic */
3848                 TG_CMD_CREATE,
3849                 TG_CMD_TYPES,
3850                 TG_CMD_NAMES,
3851                 TG_CMD_CURRENT,
3852                 TG_CMD_NUMBER,
3853                 TG_CMD_COUNT,
3854         };
3855         const char *target_cmds[] = {
3856                 "create", "types", "names", "current", "number",
3857                 "count",
3858                 NULL // terminate
3859         };
3860
3861         LOG_DEBUG("Target command params:");
3862         LOG_DEBUG(Jim_Debug_ArgvString( interp, argc, argv) );
3863
3864         cmd_ctx = Jim_GetAssocData( interp, "context" );
3865
3866         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3867
3868         if( goi.argc == 0 ){
3869                 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
3870                 return JIM_ERR;
3871         }
3872
3873         /* is this old syntax? */
3874         /* To determine: We have to peek at argv[0]*/
3875         cp = Jim_GetString( goi.argv[0], NULL );
3876         for( x = 0 ; target_types[x] ; x++ ){
3877                 if( 0 == strcmp(cp,target_types[x]->name) ){
3878                         break;
3879                 }
3880         }
3881         if( target_types[x] ){
3882                 /* YES IT IS OLD SYNTAX */
3883                 Jim_Obj *new_argv[10];
3884                 int      new_argc;
3885
3886                 /* target_old_syntax
3887                  *
3888                  * It appears that there are 2 old syntaxes:
3889                  *
3890                  * target <typename> <endian> <chain position> <variant>
3891                  *
3892                  * and
3893                  *
3894                  * target <typename> <endian> <reset mode> <chain position> <variant>
3895                  *
3896                  */
3897
3898                 /* The minimum number of arguments is 4 */
3899                 if( argc < 4 ){
3900                         Jim_WrongNumArgs( interp, 1, argv, "[OLDSYNTAX] ?TYPE? ?ENDIAN? ?CHAIN-POSITION? ?VARIANT?");
3901                         return JIM_ERR;
3902                 }
3903
3904                 /* the command */
3905                 new_argv[0] = argv[0];
3906                 new_argv[1] = Jim_NewStringObj( interp, "create", -1 );
3907                 {
3908                         char buf[ 30 ];
3909                         sprintf( buf, "target%d", new_target_number() );
3910                         new_argv[2] = Jim_NewStringObj( interp, buf , -1 );
3911                 }
3912                 new_argv[3] = goi.argv[0]; /* typename */
3913                 new_argv[4] = Jim_NewStringObj( interp, "-endian", -1 );
3914                 new_argv[5] = goi.argv[1];
3915                 new_argv[6] = Jim_NewStringObj( interp, "-chain-position", -1 );
3916
3917                 /* If goi.argv[2] is not a number, we need to skip it since it is the reset mode. */
3918                 jim_wide w;
3919                 int chain_position_argv = 2;
3920                 if (JIM_ERR == Jim_GetWide(interp, goi.argv[chain_position_argv], &w)) {
3921                         if (chain_position_argv + 1 < goi.argc) {
3922                                 chain_position_argv += 1;
3923                         } else {
3924                                 Jim_WrongNumArgs( interp, 1, argv, "[OLDSYNTAX] ?TYPE? ?ENDIAN? ?RESET? ?CHAIN-POSITION? ?VARIANT?");
3925                                 return JIM_ERR;
3926                         }
3927                 }
3928
3929                 new_argv[7] = goi.argv[chain_position_argv];
3930
3931                 /* Only provide a variant configure option if there was a variant specified */
3932                 if (chain_position_argv + 1 < goi.argc) {
3933                         new_argv[8] = Jim_NewStringObj( interp, "-variant", -1 );
3934                         new_argv[9] = goi.argv[chain_position_argv + 1];
3935                         new_argc = 10;
3936                 } else {
3937                         new_argc = 8;
3938                 }
3939
3940                 /*
3941                  * new arg syntax:
3942                  *   argv[0] = command
3943                  *   argv[1] = create
3944                  *   argv[2] = cmdname
3945                  *   argv[3] = typename
3946                  *   argv[4] = -endian
3947                  *   argv[5] = little
3948                  *   argv[6] = -position
3949                  *   argv[7] = NUMBER
3950                  *   argv[8] = -variant
3951                  *   argv[9] = "somestring"
3952                  */
3953
3954                 /* don't let these be released */
3955                 for( x = 0 ; x < new_argc ; x++ ){
3956                         Jim_IncrRefCount( new_argv[x]);
3957                 }
3958                 /* call our self */
3959                 LOG_DEBUG("Target OLD SYNTAX - converted to new syntax");
3960
3961                 r = jim_target( goi.interp, new_argc, new_argv );
3962
3963                 /* release? these items */
3964                 for( x = 0 ; x < new_argc ; x++ ){
3965                         Jim_DecrRefCount( interp, new_argv[x] );
3966                 }
3967                 return r;
3968         }
3969
3970         //Jim_GetOpt_Debug( &goi );
3971         r = Jim_GetOpt_Enum( &goi, target_cmds, &x   );
3972         if( r != JIM_OK ){
3973                 return r;
3974         }
3975
3976         switch(x){
3977         default:
3978                 Jim_Panic(goi.interp,"Why am I here?");
3979                 return JIM_ERR;
3980         case TG_CMD_CURRENT:
3981                 if( goi.argc != 0 ){
3982                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters");
3983                         return JIM_ERR;
3984                 }
3985                 Jim_SetResultString( goi.interp, get_current_target( cmd_ctx )->cmd_name, -1 );
3986                 return JIM_OK;
3987         case TG_CMD_TYPES:
3988                 if( goi.argc != 0 ){
3989                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
3990                         return JIM_ERR;
3991                 }
3992                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
3993                 for( x = 0 ; target_types[x] ; x++ ){
3994                         Jim_ListAppendElement( goi.interp,
3995                                                                    Jim_GetResult(goi.interp),
3996                                                                    Jim_NewStringObj( goi.interp, target_types[x]->name, -1 ) );
3997                 }
3998                 return JIM_OK;
3999         case TG_CMD_NAMES:
4000                 if( goi.argc != 0 ){
4001                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4002                         return JIM_ERR;
4003                 }
4004                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4005                 target = all_targets;
4006                 while( target ){
4007                         Jim_ListAppendElement( goi.interp,
4008                                                                    Jim_GetResult(goi.interp),
4009                                                                    Jim_NewStringObj( goi.interp, target->cmd_name, -1 ) );
4010                         target = target->next;
4011                 }
4012                 return JIM_OK;
4013         case TG_CMD_CREATE:
4014                 if( goi.argc < 3 ){
4015                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "?name  ... config options ...");
4016                         return JIM_ERR;
4017                 }
4018                 return target_create( &goi );
4019                 break;
4020         case TG_CMD_NUMBER:
4021                 if( goi.argc != 1 ){
4022                         Jim_SetResult_sprintf( goi.interp, "expected: target number ?NUMBER?");
4023                         return JIM_ERR;
4024                 }
4025                 e = Jim_GetOpt_Wide( &goi, &w );
4026                 if( e != JIM_OK ){
4027                         return JIM_ERR;
4028                 }
4029                 {
4030                         target_t *t;
4031                         t = get_target_by_num(w);
4032                         if( t == NULL ){
4033                                 Jim_SetResult_sprintf( goi.interp,"Target: number %d does not exist", (int)(w));
4034                                 return JIM_ERR;
4035                         }
4036                         Jim_SetResultString( goi.interp, t->cmd_name, -1 );
4037                         return JIM_OK;
4038                 }
4039         case TG_CMD_COUNT:
4040                 if( goi.argc != 0 ){
4041                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "<no parameters>");
4042                         return JIM_ERR;
4043                 }
4044                 Jim_SetResult( goi.interp,
4045                                            Jim_NewIntObj( goi.interp, max_target_number()));
4046                 return JIM_OK;
4047         }
4048
4049         return JIM_ERR;
4050 }