git.gag.com Git - fw/openocd/blob - src/target/target.c

   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 // every 300ms we check for reset & powerdropout and issue a "reset halt" if
1451 // so.
1452
1453 static int powerDropout;
1454 static int srstAsserted;
1455
1456 static int sense_handler()
1457 {
1458         static int prevSrstAsserted = 0;
1459         static int prevPowerdropout = 0;
1460
1461         int retval;
1462         if ((retval=jtag_power_dropout(&powerDropout))!=ERROR_OK)
1463                 return retval;
1464
1465         int powerRestored;
1466         powerRestored = prevPowerdropout && !powerDropout;
1467         if (powerRestored)
1468         {
1469                 LOG_USER("Sensed power restore.");
1470         }
1471
1472         long long current = timeval_ms();
1473         static long long lastPower = 0;
1474         int waitMore = lastPower + 2000 > current;
1475         if (powerDropout && !waitMore)
1476         {
1477                 LOG_USER("Sensed power dropout.");
1478                 lastPower = current;
1479         }
1480
1481         if ((retval=jtag_srst_asserted(&srstAsserted))!=ERROR_OK)
1482                 return retval;
1483
1484         int srstDeasserted;
1485         srstDeasserted = prevSrstAsserted && !srstAsserted;
1486
1487         static long long lastSrst = 0;
1488         waitMore = lastSrst + 2000 > current;
1489         if (srstDeasserted && !waitMore)
1490         {
1491                 LOG_USER("Sensed nSRST deasserted");
1492                 lastSrst = current;
1493         }
1494
1495         if (!prevSrstAsserted && srstAsserted)
1496         {
1497                 LOG_USER("Sensed nSRST asserted");
1498         }
1499
1500         prevSrstAsserted = srstAsserted;
1501         prevPowerdropout = powerDropout;
1502
1503         if (srstDeasserted || powerRestored)
1504         {
1505                 /* Other than logging the event we can't do anything here.
1506                  * Issuing a reset is a particularly bad idea as we might
1507                  * be inside a reset already.
1508                  */
1509         }
1510
1511         return ERROR_OK;
1512 }
1513
1514
1515 /* process target state changes */
1516 int handle_target(void *priv)
1517 {
1518         int retval = ERROR_OK;
1519         target_t *target = all_targets;
1520
1521         while (target)
1522         {
1523                 sense_handler();
1524
1525                 /* only poll target if we've got power and srst isn't asserted */
1526                 if (target_continous_poll&&!powerDropout&&!srstAsserted)
1527                 {
1528                         /* polling may fail silently until the target has been examined */
1529                         if((retval = target_poll(target)) != ERROR_OK)
1530                                 return retval;
1531                 }
1532
1533                 target = target->next;
1534         }
1535
1536         return retval;
1537 }
1538
1539 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1540 {
1541         target_t *target;
1542         reg_t *reg = NULL;
1543         int count = 0;
1544         char *value;
1545
1546         LOG_DEBUG("-");
1547
1548         target = get_current_target(cmd_ctx);
1549
1550         /* list all available registers for the current target */
1551         if (argc == 0)
1552         {
1553                 reg_cache_t *cache = target->reg_cache;
1554
1555                 count = 0;
1556                 while(cache)
1557                 {
1558                         int i;
1559                         for (i = 0; i < cache->num_regs; i++)
1560                         {
1561                                 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1562                                 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);
1563                                 free(value);
1564                         }
1565                         cache = cache->next;
1566                 }
1567
1568                 return ERROR_OK;
1569         }
1570
1571         /* access a single register by its ordinal number */
1572         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1573         {
1574                 int num = strtoul(args[0], NULL, 0);
1575                 reg_cache_t *cache = target->reg_cache;
1576
1577                 count = 0;
1578                 while(cache)
1579                 {
1580                         int i;
1581                         for (i = 0; i < cache->num_regs; i++)
1582                         {
1583                                 if (count++ == num)
1584                                 {
1585                                         reg = &cache->reg_list[i];
1586                                         break;
1587                                 }
1588                         }
1589                         if (reg)
1590                                 break;
1591                         cache = cache->next;
1592                 }
1593
1594                 if (!reg)
1595                 {
1596                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1597                         return ERROR_OK;
1598                 }
1599         } else /* access a single register by its name */
1600         {
1601                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1602
1603                 if (!reg)
1604                 {
1605                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1606                         return ERROR_OK;
1607                 }
1608         }
1609
1610         /* display a register */
1611         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1612         {
1613                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1614                         reg->valid = 0;
1615
1616                 if (reg->valid == 0)
1617                 {
1618                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1619                         arch_type->get(reg);
1620                 }
1621                 value = buf_to_str(reg->value, reg->size, 16);
1622                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1623                 free(value);
1624                 return ERROR_OK;
1625         }
1626
1627         /* set register value */
1628         if (argc == 2)
1629         {
1630                 u8 *buf = malloc(CEIL(reg->size, 8));
1631                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1632
1633                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1634                 arch_type->set(reg, buf);
1635
1636                 value = buf_to_str(reg->value, reg->size, 16);
1637                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1638                 free(value);
1639
1640                 free(buf);
1641
1642                 return ERROR_OK;
1643         }
1644
1645         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1646
1647         return ERROR_OK;
1648 }
1649
1650
1651 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1652 {
1653         int retval = ERROR_OK;
1654         target_t *target = get_current_target(cmd_ctx);
1655
1656         if (argc == 0)
1657         {
1658                 if((retval = target_poll(target)) != ERROR_OK)
1659                         return retval;
1660                 if((retval = target_arch_state(target)) != ERROR_OK)
1661                         return retval;
1662
1663         }
1664         else if (argc==1)
1665         {
1666                 if (strcmp(args[0], "on") == 0)
1667                 {
1668                         target_continous_poll = 1;
1669                 }
1670                 else if (strcmp(args[0], "off") == 0)
1671                 {
1672                         target_continous_poll = 0;
1673                 }
1674                 else
1675                 {
1676                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1677                 }
1678         } else
1679         {
1680                 return ERROR_COMMAND_SYNTAX_ERROR;
1681         }
1682
1683
1684         return retval;
1685 }
1686
1687 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1688 {
1689         int ms = 5000;
1690
1691         if (argc > 0)
1692         {
1693                 char *end;
1694
1695                 ms = strtoul(args[0], &end, 0) * 1000;
1696                 if (*end)
1697                 {
1698                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1699                         return ERROR_OK;
1700                 }
1701         }
1702         target_t *target = get_current_target(cmd_ctx);
1703
1704         return target_wait_state(target, TARGET_HALTED, ms);
1705 }
1706
1707 int target_wait_state(target_t *target, enum target_state state, int ms)
1708 {
1709         int retval;
1710         struct timeval timeout, now;
1711         int once=1;
1712         gettimeofday(&timeout, NULL);
1713         timeval_add_time(&timeout, 0, ms * 1000);
1714
1715         for (;;)
1716         {
1717                 if ((retval=target_poll(target))!=ERROR_OK)
1718                         return retval;
1719                 keep_alive();
1720                 if (target->state == state)
1721                 {
1722                         break;
1723                 }
1724                 if (once)
1725                 {
1726                         once=0;
1727                         LOG_DEBUG("waiting for target %s...",
1728                               Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1729                 }
1730
1731                 gettimeofday(&now, NULL);
1732                 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1733                 {
1734                         LOG_ERROR("timed out while waiting for target %s",
1735                               Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1736                         return ERROR_FAIL;
1737                 }
1738         }
1739
1740         return ERROR_OK;
1741 }
1742
1743 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1744 {
1745         int retval;
1746         target_t *target = get_current_target(cmd_ctx);
1747
1748         LOG_DEBUG("-");
1749
1750         if ((retval = target_halt(target)) != ERROR_OK)
1751         {
1752                 return retval;
1753         }
1754
1755         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1756 }
1757
1758 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1759 {
1760         target_t *target = get_current_target(cmd_ctx);
1761
1762         LOG_USER("requesting target halt and executing a soft reset");
1763
1764         target->type->soft_reset_halt(target);
1765
1766         return ERROR_OK;
1767 }
1768
1769 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1770 {
1771         const Jim_Nvp *n;
1772         enum target_reset_mode reset_mode = RESET_RUN;
1773
1774         if (argc >= 1)
1775         {
1776                 n = Jim_Nvp_name2value_simple( nvp_reset_modes, args[0] );
1777                 if( (n->name == NULL) || (n->value == RESET_UNKNOWN) ){
1778                         return ERROR_COMMAND_SYNTAX_ERROR;
1779                 }
1780                 reset_mode = n->value;
1781         }
1782
1783         /* reset *all* targets */
1784         return target_process_reset(cmd_ctx, reset_mode);
1785 }
1786
1787
1788 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1789 {
1790         int retval;
1791         target_t *target = get_current_target(cmd_ctx);
1792
1793         target_handle_event( target, TARGET_EVENT_OLD_pre_resume );
1794
1795         if (argc == 0)
1796                 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1797         else if (argc == 1)
1798                 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1799         else
1800         {
1801                 retval = ERROR_COMMAND_SYNTAX_ERROR;
1802         }
1803
1804         return retval;
1805 }
1806
1807 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1808 {
1809         target_t *target = get_current_target(cmd_ctx);
1810
1811         LOG_DEBUG("-");
1812
1813         if (argc == 0)
1814                 return target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1815
1816         if (argc == 1)
1817                 return target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1818
1819         return ERROR_OK;
1820 }
1821
1822 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1823 {
1824         const int line_bytecnt = 32;
1825         int count = 1;
1826         int size = 4;
1827         u32 address = 0;
1828         int line_modulo;
1829         int i;
1830
1831         char output[128];
1832         int output_len;
1833
1834         int retval;
1835
1836         u8 *buffer;
1837         target_t *target = get_current_target(cmd_ctx);
1838
1839         if (argc < 1)
1840                 return ERROR_OK;
1841
1842         if (argc == 2)
1843                 count = strtoul(args[1], NULL, 0);
1844
1845         address = strtoul(args[0], NULL, 0);
1846
1847
1848         switch (cmd[2])
1849         {
1850                 case 'w':
1851                         size = 4; line_modulo = line_bytecnt / 4;
1852                         break;
1853                 case 'h':
1854                         size = 2; line_modulo = line_bytecnt / 2;
1855                         break;
1856                 case 'b':
1857                         size = 1; line_modulo = line_bytecnt / 1;
1858                         break;
1859                 default:
1860                         return ERROR_OK;
1861         }
1862
1863         buffer = calloc(count, size);
1864         retval  = target->type->read_memory(target, address, size, count, buffer);
1865         if (retval == ERROR_OK)
1866         {
1867                 output_len = 0;
1868
1869                 for (i = 0; i < count; i++)
1870                 {
1871                         if (i%line_modulo == 0)
1872                                 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1873
1874                         switch (size)
1875                         {
1876                                 case 4:
1877                                         output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1878                                         break;
1879                                 case 2:
1880                                         output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1881                                         break;
1882                                 case 1:
1883                                         output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1884                                         break;
1885                         }
1886
1887                         if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1888                         {
1889                                 command_print(cmd_ctx, output);
1890                                 output_len = 0;
1891                         }
1892                 }
1893         }
1894
1895         free(buffer);
1896
1897         return retval;
1898 }
1899
1900 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1901 {
1902         u32 address = 0;
1903         u32 value = 0;
1904         int count = 1;
1905         int i;
1906         int wordsize;
1907         target_t *target = get_current_target(cmd_ctx);
1908         u8 value_buf[4];
1909
1910          if ((argc < 2) || (argc > 3))
1911                 return ERROR_COMMAND_SYNTAX_ERROR;
1912
1913         address = strtoul(args[0], NULL, 0);
1914         value = strtoul(args[1], NULL, 0);
1915         if (argc == 3)
1916                 count = strtoul(args[2], NULL, 0);
1917
1918         switch (cmd[2])
1919         {
1920                 case 'w':
1921                         wordsize = 4;
1922                         target_buffer_set_u32(target, value_buf, value);
1923                         break;
1924                 case 'h':
1925                         wordsize = 2;
1926                         target_buffer_set_u16(target, value_buf, value);
1927                         break;
1928                 case 'b':
1929                         wordsize = 1;
1930                         value_buf[0] = value;
1931                         break;
1932                 default:
1933                         return ERROR_COMMAND_SYNTAX_ERROR;
1934         }
1935         for (i=0; i<count; i++)
1936         {
1937                 int retval;
1938                 switch (wordsize)
1939                 {
1940                         case 4:
1941                                 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
1942                                 break;
1943                         case 2:
1944                                 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
1945                                 break;
1946                         case 1:
1947                                 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
1948                         break;
1949                         default:
1950                         return ERROR_OK;
1951                 }
1952                 keep_alive();
1953
1954                 if (retval!=ERROR_OK)
1955                 {
1956                         return retval;
1957                 }
1958         }
1959
1960         return ERROR_OK;
1961
1962 }
1963
1964 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1965 {
1966         u8 *buffer;
1967         u32 buf_cnt;
1968         u32 image_size;
1969         u32 min_address=0;
1970         u32 max_address=0xffffffff;
1971         int i;
1972         int retval, retvaltemp;
1973
1974         image_t image;
1975
1976         duration_t duration;
1977         char *duration_text;
1978
1979         target_t *target = get_current_target(cmd_ctx);
1980
1981         if ((argc < 1)||(argc > 5))
1982         {
1983                 return ERROR_COMMAND_SYNTAX_ERROR;
1984         }
1985
1986         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
1987         if (argc >= 2)
1988         {
1989                 image.base_address_set = 1;
1990                 image.base_address = strtoul(args[1], NULL, 0);
1991         }
1992         else
1993         {
1994                 image.base_address_set = 0;
1995         }
1996
1997
1998         image.start_address_set = 0;
1999
2000         if (argc>=4)
2001         {
2002                 min_address=strtoul(args[3], NULL, 0);
2003         }
2004         if (argc>=5)
2005         {
2006                 max_address=strtoul(args[4], NULL, 0)+min_address;
2007         }
2008
2009         if (min_address>max_address)
2010         {
2011                 return ERROR_COMMAND_SYNTAX_ERROR;
2012         }
2013
2014
2015         duration_start_measure(&duration);
2016
2017         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2018         {
2019                 return ERROR_OK;
2020         }
2021
2022         image_size = 0x0;
2023         retval = ERROR_OK;
2024         for (i = 0; i < image.num_sections; i++)
2025         {
2026                 buffer = malloc(image.sections[i].size);
2027                 if (buffer == NULL)
2028                 {
2029                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2030                         break;
2031                 }
2032
2033                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2034                 {
2035                         free(buffer);
2036                         break;
2037                 }
2038
2039                 u32 offset=0;
2040                 u32 length=buf_cnt;
2041
2042
2043                 /* DANGER!!! beware of unsigned comparision here!!! */
2044
2045                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
2046                                 (image.sections[i].base_address<max_address))
2047                 {
2048                         if (image.sections[i].base_address<min_address)
2049                         {
2050                                 /* clip addresses below */
2051                                 offset+=min_address-image.sections[i].base_address;
2052                                 length-=offset;
2053                         }
2054
2055                         if (image.sections[i].base_address+buf_cnt>max_address)
2056                         {
2057                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
2058                         }
2059
2060                         if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
2061                         {
2062                                 free(buffer);
2063                                 break;
2064                         }
2065                         image_size += length;
2066                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
2067                 }
2068
2069                 free(buffer);
2070         }
2071
2072         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2073         {
2074                 image_close(&image);
2075                 return retvaltemp;
2076         }
2077
2078         if (retval==ERROR_OK)
2079         {
2080                 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2081         }
2082         free(duration_text);
2083
2084         image_close(&image);
2085
2086         return retval;
2087
2088 }
2089
2090 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2091 {
2092         fileio_t fileio;
2093
2094         u32 address;
2095         u32 size;
2096         u8 buffer[560];
2097         int retval=ERROR_OK, retvaltemp;
2098
2099         duration_t duration;
2100         char *duration_text;
2101
2102         target_t *target = get_current_target(cmd_ctx);
2103
2104         if (argc != 3)
2105         {
2106                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2107                 return ERROR_OK;
2108         }
2109
2110         address = strtoul(args[1], NULL, 0);
2111         size = strtoul(args[2], NULL, 0);
2112
2113         if ((address & 3) || (size & 3))
2114         {
2115                 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2116                 return ERROR_OK;
2117         }
2118
2119         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2120         {
2121                 return ERROR_OK;
2122         }
2123
2124         duration_start_measure(&duration);
2125
2126         while (size > 0)
2127         {
2128                 u32 size_written;
2129                 u32 this_run_size = (size > 560) ? 560 : size;
2130
2131                 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2132                 if (retval != ERROR_OK)
2133                 {
2134                         break;
2135                 }
2136
2137                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2138                 if (retval != ERROR_OK)
2139                 {
2140                         break;
2141                 }
2142
2143                 size -= this_run_size;
2144                 address += this_run_size;
2145         }
2146
2147         if((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2148                 return retvaltemp;
2149
2150         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2151                 return retvaltemp;
2152
2153         if (retval==ERROR_OK)
2154         {
2155                 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2156         }
2157         free(duration_text);
2158
2159         return ERROR_OK;
2160 }
2161
2162 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2163 {
2164         u8 *buffer;
2165         u32 buf_cnt;
2166         u32 image_size;
2167         int i;
2168         int retval, retvaltemp;
2169         u32 checksum = 0;
2170         u32 mem_checksum = 0;
2171
2172         image_t image;
2173
2174         duration_t duration;
2175         char *duration_text;
2176
2177         target_t *target = get_current_target(cmd_ctx);
2178
2179         if (argc < 1)
2180         {
2181                 return ERROR_COMMAND_SYNTAX_ERROR;
2182         }
2183
2184         if (!target)
2185         {
2186                 LOG_ERROR("no target selected");
2187                 return ERROR_FAIL;
2188         }
2189
2190         duration_start_measure(&duration);
2191
2192         if (argc >= 2)
2193         {
2194                 image.base_address_set = 1;
2195                 image.base_address = strtoul(args[1], NULL, 0);
2196         }
2197         else
2198         {
2199                 image.base_address_set = 0;
2200                 image.base_address = 0x0;
2201         }
2202
2203         image.start_address_set = 0;
2204
2205         if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2206         {
2207                 return retval;
2208         }
2209
2210         image_size = 0x0;
2211         retval=ERROR_OK;
2212         for (i = 0; i < image.num_sections; i++)
2213         {
2214                 buffer = malloc(image.sections[i].size);
2215                 if (buffer == NULL)
2216                 {
2217                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2218                         break;
2219                 }
2220                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2221                 {
2222                         free(buffer);
2223                         break;
2224                 }
2225
2226                 /* calculate checksum of image */
2227                 image_calculate_checksum( buffer, buf_cnt, &checksum );
2228
2229                 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2230                 if( retval != ERROR_OK )
2231                 {
2232                         free(buffer);
2233                         break;
2234                 }
2235
2236                 if( checksum != mem_checksum )
2237                 {
2238                         /* failed crc checksum, fall back to a binary compare */
2239                         u8 *data;
2240
2241                         command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2242
2243                         data = (u8*)malloc(buf_cnt);
2244
2245                         /* Can we use 32bit word accesses? */
2246                         int size = 1;
2247                         int count = buf_cnt;
2248                         if ((count % 4) == 0)
2249                         {
2250                                 size *= 4;
2251                                 count /= 4;
2252                         }
2253                         retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2254                         if (retval == ERROR_OK)
2255                         {
2256                                 int t;
2257                                 for (t = 0; t < buf_cnt; t++)
2258                                 {
2259                                         if (data[t] != buffer[t])
2260                                         {
2261                                                 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]);
2262                                                 free(data);
2263                                                 free(buffer);
2264                                                 retval=ERROR_FAIL;
2265                                                 goto done;
2266                                         }
2267                                         if ((t%16384)==0)
2268                                         {
2269                                                 keep_alive();
2270                                         }
2271                                 }
2272                         }
2273
2274                         free(data);
2275                 }
2276
2277                 free(buffer);
2278                 image_size += buf_cnt;
2279         }
2280 done:
2281
2282         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2283         {
2284                 image_close(&image);
2285                 return retvaltemp;
2286         }
2287
2288         if (retval==ERROR_OK)
2289         {
2290                 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2291         }
2292         free(duration_text);
2293
2294         image_close(&image);
2295
2296         return retval;
2297 }
2298
2299 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2300 {
2301         int retval;
2302         target_t *target = get_current_target(cmd_ctx);
2303
2304         if (argc == 0)
2305         {
2306                 breakpoint_t *breakpoint = target->breakpoints;
2307
2308                 while (breakpoint)
2309                 {
2310                         if (breakpoint->type == BKPT_SOFT)
2311                         {
2312                                 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2313                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2314                                 free(buf);
2315                         }
2316                         else
2317                         {
2318                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2319                         }
2320                         breakpoint = breakpoint->next;
2321                 }
2322         }
2323         else if (argc >= 2)
2324         {
2325                 int hw = BKPT_SOFT;
2326                 u32 length = 0;
2327
2328                 length = strtoul(args[1], NULL, 0);
2329
2330                 if (argc >= 3)
2331                         if (strcmp(args[2], "hw") == 0)
2332                                 hw = BKPT_HARD;
2333
2334                 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2335                 {
2336                         LOG_ERROR("Failure setting breakpoints");
2337                 }
2338                 else
2339                 {
2340                         command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2341                 }
2342         }
2343         else
2344         {
2345                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2346         }
2347
2348         return ERROR_OK;
2349 }
2350
2351 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2352 {
2353         target_t *target = get_current_target(cmd_ctx);
2354
2355         if (argc > 0)
2356                 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2357
2358         return ERROR_OK;
2359 }
2360
2361 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2362 {
2363         target_t *target = get_current_target(cmd_ctx);
2364         int retval;
2365
2366         if (argc == 0)
2367         {
2368                 watchpoint_t *watchpoint = target->watchpoints;
2369
2370                 while (watchpoint)
2371                 {
2372                         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);
2373                         watchpoint = watchpoint->next;
2374                 }
2375         }
2376         else if (argc >= 2)
2377         {
2378                 enum watchpoint_rw type = WPT_ACCESS;
2379                 u32 data_value = 0x0;
2380                 u32 data_mask = 0xffffffff;
2381
2382                 if (argc >= 3)
2383                 {
2384                         switch(args[2][0])
2385                         {
2386                                 case 'r':
2387                                         type = WPT_READ;
2388                                         break;
2389                                 case 'w':
2390                                         type = WPT_WRITE;
2391                                         break;
2392                                 case 'a':
2393                                         type = WPT_ACCESS;
2394                                         break;
2395                                 default:
2396                                         command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2397                                         return ERROR_OK;
2398                         }
2399                 }
2400                 if (argc >= 4)
2401                 {
2402                         data_value = strtoul(args[3], NULL, 0);
2403                 }
2404                 if (argc >= 5)
2405                 {
2406                         data_mask = strtoul(args[4], NULL, 0);
2407                 }
2408
2409                 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2410                                 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2411                 {
2412                         LOG_ERROR("Failure setting breakpoints");
2413                 }
2414         }
2415         else
2416         {
2417                 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2418         }
2419
2420         return ERROR_OK;
2421 }
2422
2423 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2424 {
2425         target_t *target = get_current_target(cmd_ctx);
2426
2427         if (argc > 0)
2428                 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2429
2430         return ERROR_OK;
2431 }
2432
2433 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2434 {
2435         int retval;
2436         target_t *target = get_current_target(cmd_ctx);
2437         u32 va;
2438         u32 pa;
2439
2440         if (argc != 1)
2441         {
2442                 return ERROR_COMMAND_SYNTAX_ERROR;
2443         }
2444         va = strtoul(args[0], NULL, 0);
2445
2446         retval = target->type->virt2phys(target, va, &pa);
2447         if (retval == ERROR_OK)
2448         {
2449                 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2450         }
2451         else
2452         {
2453                 /* lower levels will have logged a detailed error which is
2454                  * forwarded to telnet/GDB session.
2455                  */
2456         }
2457         return retval;
2458 }
2459 static void writeLong(FILE *f, int l)
2460 {
2461         int i;
2462         for (i=0; i<4; i++)
2463         {
2464                 char c=(l>>(i*8))&0xff;
2465                 fwrite(&c, 1, 1, f);
2466         }
2467
2468 }
2469 static void writeString(FILE *f, char *s)
2470 {
2471         fwrite(s, 1, strlen(s), f);
2472 }
2473
2474
2475
2476 // Dump a gmon.out histogram file.
2477 static void writeGmon(u32 *samples, int sampleNum, char *filename)
2478 {
2479         int i;
2480         FILE *f=fopen(filename, "w");
2481         if (f==NULL)
2482                 return;
2483         fwrite("gmon", 1, 4, f);
2484         writeLong(f, 0x00000001); // Version
2485         writeLong(f, 0); // padding
2486         writeLong(f, 0); // padding
2487         writeLong(f, 0); // padding
2488
2489         fwrite("", 1, 1, f);  // GMON_TAG_TIME_HIST
2490
2491         // figure out bucket size
2492         u32 min=samples[0];
2493         u32 max=samples[0];
2494         for (i=0; i<sampleNum; i++)
2495         {
2496                 if (min>samples[i])
2497                 {
2498                         min=samples[i];
2499                 }
2500                 if (max<samples[i])
2501                 {
2502                         max=samples[i];
2503                 }
2504         }
2505
2506         int addressSpace=(max-min+1);
2507
2508         static int const maxBuckets=256*1024; // maximum buckets.
2509         int length=addressSpace;
2510         if (length > maxBuckets)
2511         {
2512                 length=maxBuckets;
2513         }
2514         int *buckets=malloc(sizeof(int)*length);
2515         if (buckets==NULL)
2516         {
2517                 fclose(f);
2518                 return;
2519         }
2520         memset(buckets, 0, sizeof(int)*length);
2521         for (i=0; i<sampleNum;i++)
2522         {
2523                 u32 address=samples[i];
2524                 long long a=address-min;
2525                 long long b=length-1;
2526                 long long c=addressSpace-1;
2527                 int index=(a*b)/c; // danger!!!! int32 overflows
2528                 buckets[index]++;
2529         }
2530
2531         //                         append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr))
2532         writeLong(f, min);                                      // low_pc
2533         writeLong(f, max);              // high_pc
2534         writeLong(f, length);           // # of samples
2535         writeLong(f, 64000000);                         // 64MHz
2536         writeString(f, "seconds");
2537         for (i=0; i<(15-strlen("seconds")); i++)
2538         {
2539                 fwrite("", 1, 1, f);  // padding
2540         }
2541         writeString(f, "s");
2542
2543 //                         append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size)
2544
2545         char *data=malloc(2*length);
2546         if (data!=NULL)
2547         {
2548                 for (i=0; i<length;i++)
2549                 {
2550                         int val;
2551                         val=buckets[i];
2552                         if (val>65535)
2553                         {
2554                                 val=65535;
2555                         }
2556                         data[i*2]=val&0xff;
2557                         data[i*2+1]=(val>>8)&0xff;
2558                 }
2559                 free(buckets);
2560                 fwrite(data, 1, length*2, f);
2561                 free(data);
2562         } else
2563         {
2564                 free(buckets);
2565         }
2566
2567         fclose(f);
2568 }
2569
2570 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2571 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2572 {
2573         target_t *target = get_current_target(cmd_ctx);
2574         struct timeval timeout, now;
2575
2576         gettimeofday(&timeout, NULL);
2577         if (argc!=2)
2578         {
2579                 return ERROR_COMMAND_SYNTAX_ERROR;
2580         }
2581         char *end;
2582         timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2583         if (*end)
2584         {
2585                 return ERROR_OK;
2586         }
2587
2588         command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2589
2590         static const int maxSample=10000;
2591         u32 *samples=malloc(sizeof(u32)*maxSample);
2592         if (samples==NULL)
2593                 return ERROR_OK;
2594
2595         int numSamples=0;
2596         int retval=ERROR_OK;
2597         // hopefully it is safe to cache! We want to stop/restart as quickly as possible.
2598         reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2599
2600         for (;;)
2601         {
2602                 target_poll(target);
2603                 if (target->state == TARGET_HALTED)
2604                 {
2605                         u32 t=*((u32 *)reg->value);
2606                         samples[numSamples++]=t;
2607                         retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2608                         target_poll(target);
2609                         alive_sleep(10); // sleep 10ms, i.e. <100 samples/second.
2610                 } else if (target->state == TARGET_RUNNING)
2611                 {
2612                         // We want to quickly sample the PC.
2613                         if((retval = target_halt(target)) != ERROR_OK)
2614                         {
2615                                 free(samples);
2616                                 return retval;
2617                         }
2618                 } else
2619                 {
2620                         command_print(cmd_ctx, "Target not halted or running");
2621                         retval=ERROR_OK;
2622                         break;
2623                 }
2624                 if (retval!=ERROR_OK)
2625                 {
2626                         break;
2627                 }
2628
2629                 gettimeofday(&now, NULL);
2630                 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2631                 {
2632                         command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2633                         if((retval = target_poll(target)) != ERROR_OK)
2634                         {
2635                                 free(samples);
2636                                 return retval;
2637                         }
2638                         if (target->state == TARGET_HALTED)
2639                         {
2640                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2641                         }
2642                         if((retval = target_poll(target)) != ERROR_OK)
2643                         {
2644                                 free(samples);
2645                                 return retval;
2646                         }
2647                         writeGmon(samples, numSamples, args[1]);
2648                         command_print(cmd_ctx, "Wrote %s", args[1]);
2649                         break;
2650                 }
2651         }
2652         free(samples);
2653
2654         return ERROR_OK;
2655 }
2656
2657 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2658 {
2659         char *namebuf;
2660         Jim_Obj *nameObjPtr, *valObjPtr;
2661         int result;
2662
2663         namebuf = alloc_printf("%s(%d)", varname, idx);
2664         if (!namebuf)
2665                 return JIM_ERR;
2666
2667         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2668         valObjPtr = Jim_NewIntObj(interp, val);
2669         if (!nameObjPtr || !valObjPtr)
2670         {
2671                 free(namebuf);
2672                 return JIM_ERR;
2673         }
2674
2675         Jim_IncrRefCount(nameObjPtr);
2676         Jim_IncrRefCount(valObjPtr);
2677         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2678         Jim_DecrRefCount(interp, nameObjPtr);
2679         Jim_DecrRefCount(interp, valObjPtr);
2680         free(namebuf);
2681         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2682         return result;
2683 }
2684
2685 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2686 {
2687         command_context_t *context;
2688         target_t *target;
2689
2690         context = Jim_GetAssocData(interp, "context");
2691         if (context == NULL)
2692         {
2693                 LOG_ERROR("mem2array: no command context");
2694                 return JIM_ERR;
2695         }
2696         target = get_current_target(context);
2697         if (target == NULL)
2698         {
2699                 LOG_ERROR("mem2array: no current target");
2700                 return JIM_ERR;
2701         }
2702
2703         return  target_mem2array(interp, target, argc,argv);
2704 }
2705
2706 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2707 {
2708         long l;
2709         u32 width;
2710         int len;
2711         u32 addr;
2712         u32 count;
2713         u32 v;
2714         const char *varname;
2715         u8 buffer[4096];
2716         int  i, n, e, retval;
2717
2718         /* argv[1] = name of array to receive the data
2719          * argv[2] = desired width
2720          * argv[3] = memory address
2721          * argv[4] = count of times to read
2722          */
2723         if (argc != 5) {
2724                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2725                 return JIM_ERR;
2726         }
2727         varname = Jim_GetString(argv[1], &len);
2728         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2729
2730         e = Jim_GetLong(interp, argv[2], &l);
2731         width = l;
2732         if (e != JIM_OK) {
2733                 return e;
2734         }
2735
2736         e = Jim_GetLong(interp, argv[3], &l);
2737         addr = l;
2738         if (e != JIM_OK) {
2739                 return e;
2740         }
2741         e = Jim_GetLong(interp, argv[4], &l);
2742         len = l;
2743         if (e != JIM_OK) {
2744                 return e;
2745         }
2746         switch (width) {
2747                 case 8:
2748                         width = 1;
2749                         break;
2750                 case 16:
2751                         width = 2;
2752                         break;
2753                 case 32:
2754                         width = 4;
2755                         break;
2756                 default:
2757                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2758                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2759                         return JIM_ERR;
2760         }
2761         if (len == 0) {
2762                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2763                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2764                 return JIM_ERR;
2765         }
2766         if ((addr + (len * width)) < addr) {
2767                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2768                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2769                 return JIM_ERR;
2770         }
2771         /* absurd transfer size? */
2772         if (len > 65536) {
2773                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2774                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2775                 return JIM_ERR;
2776         }
2777
2778         if ((width == 1) ||
2779                 ((width == 2) && ((addr & 1) == 0)) ||
2780                 ((width == 4) && ((addr & 3) == 0))) {
2781                 /* all is well */
2782         } else {
2783                 char buf[100];
2784                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2785                 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2786                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2787                 return JIM_ERR;
2788         }
2789
2790         /* Transfer loop */
2791
2792         /* index counter */
2793         n = 0;
2794         /* assume ok */
2795         e = JIM_OK;
2796         while (len) {
2797                 /* Slurp... in buffer size chunks */
2798
2799                 count = len; /* in objects.. */
2800                 if (count > (sizeof(buffer)/width)) {
2801                         count = (sizeof(buffer)/width);
2802                 }
2803
2804                 retval = target->type->read_memory( target, addr, width, count, buffer );
2805                 if (retval != ERROR_OK) {
2806                         /* BOO !*/
2807                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2808                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2809                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2810                         e = JIM_ERR;
2811                         len = 0;
2812                 } else {
2813                         v = 0; /* shut up gcc */
2814                         for (i = 0 ;i < count ;i++, n++) {
2815                                 switch (width) {
2816                                         case 4:
2817                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
2818                                                 break;
2819                                         case 2:
2820                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
2821                                                 break;
2822                                         case 1:
2823                                                 v = buffer[i] & 0x0ff;
2824                                                 break;
2825                                 }
2826                                 new_int_array_element(interp, varname, n, v);
2827                         }
2828                         len -= count;
2829                 }
2830         }
2831
2832         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2833
2834         return JIM_OK;
2835 }
2836
2837 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
2838 {
2839         char *namebuf;
2840         Jim_Obj *nameObjPtr, *valObjPtr;
2841         int result;
2842         long l;
2843
2844         namebuf = alloc_printf("%s(%d)", varname, idx);
2845         if (!namebuf)
2846                 return JIM_ERR;
2847
2848         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2849         if (!nameObjPtr)
2850         {
2851                 free(namebuf);
2852                 return JIM_ERR;
2853         }
2854
2855         Jim_IncrRefCount(nameObjPtr);
2856         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
2857         Jim_DecrRefCount(interp, nameObjPtr);
2858         free(namebuf);
2859         if (valObjPtr == NULL)
2860                 return JIM_ERR;
2861
2862         result = Jim_GetLong(interp, valObjPtr, &l);
2863         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
2864         *val = l;
2865         return result;
2866 }
2867
2868 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2869 {
2870         command_context_t *context;
2871         target_t *target;
2872
2873         context = Jim_GetAssocData(interp, "context");
2874         if (context == NULL){
2875                 LOG_ERROR("array2mem: no command context");
2876                 return JIM_ERR;
2877         }
2878         target = get_current_target(context);
2879         if (target == NULL){
2880                 LOG_ERROR("array2mem: no current target");
2881                 return JIM_ERR;
2882         }
2883
2884         return target_array2mem( interp,target, argc, argv );
2885 }
2886
2887
2888 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2889 {
2890         long l;
2891         u32 width;
2892         int len;
2893         u32 addr;
2894         u32 count;
2895         u32 v;
2896         const char *varname;
2897         u8 buffer[4096];
2898         int  i, n, e, retval;
2899
2900         /* argv[1] = name of array to get the data
2901          * argv[2] = desired width
2902          * argv[3] = memory address
2903          * argv[4] = count to write
2904          */
2905         if (argc != 5) {
2906                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2907                 return JIM_ERR;
2908         }
2909         varname = Jim_GetString(argv[1], &len);
2910         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2911
2912         e = Jim_GetLong(interp, argv[2], &l);
2913         width = l;
2914         if (e != JIM_OK) {
2915                 return e;
2916         }
2917
2918         e = Jim_GetLong(interp, argv[3], &l);
2919         addr = l;
2920         if (e != JIM_OK) {
2921                 return e;
2922         }
2923         e = Jim_GetLong(interp, argv[4], &l);
2924         len = l;
2925         if (e != JIM_OK) {
2926                 return e;
2927         }
2928         switch (width) {
2929                 case 8:
2930                         width = 1;
2931                         break;
2932                 case 16:
2933                         width = 2;
2934                         break;
2935                 case 32:
2936                         width = 4;
2937                         break;
2938                 default:
2939                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2940                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2941                         return JIM_ERR;
2942         }
2943         if (len == 0) {
2944                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2945                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
2946                 return JIM_ERR;
2947         }
2948         if ((addr + (len * width)) < addr) {
2949                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2950                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
2951                 return JIM_ERR;
2952         }
2953         /* absurd transfer size? */
2954         if (len > 65536) {
2955                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2956                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
2957                 return JIM_ERR;
2958         }
2959
2960         if ((width == 1) ||
2961                 ((width == 2) && ((addr & 1) == 0)) ||
2962                 ((width == 4) && ((addr & 3) == 0))) {
2963                 /* all is well */
2964         } else {
2965                 char buf[100];
2966                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2967                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
2968                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2969                 return JIM_ERR;
2970         }
2971
2972
2973         /* Transfer loop */
2974
2975         /* index counter */
2976         n = 0;
2977         /* assume ok */
2978         e = JIM_OK;
2979         while (len) {
2980                 /* Slurp... in buffer size chunks */
2981
2982                 count = len; /* in objects.. */
2983                 if (count > (sizeof(buffer)/width)) {
2984                         count = (sizeof(buffer)/width);
2985                 }
2986
2987                 v = 0; /* shut up gcc */
2988                 for (i = 0 ;i < count ;i++, n++) {
2989                         get_int_array_element(interp, varname, n, &v);
2990                         switch (width) {
2991                         case 4:
2992                                 target_buffer_set_u32(target, &buffer[i*width], v);
2993                                 break;
2994                         case 2:
2995                                 target_buffer_set_u16(target, &buffer[i*width], v);
2996                                 break;
2997                         case 1:
2998                                 buffer[i] = v & 0x0ff;
2999                                 break;
3000                         }
3001                 }
3002                 len -= count;
3003
3004                 retval = target->type->write_memory(target, addr, width, count, buffer);
3005                 if (retval != ERROR_OK) {
3006                         /* BOO !*/
3007                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
3008                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3009                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3010                         e = JIM_ERR;
3011                         len = 0;
3012                 }
3013         }
3014
3015         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3016
3017         return JIM_OK;
3018 }
3019
3020 void
3021 target_all_handle_event( enum target_event e )
3022 {
3023         target_t *target;
3024
3025
3026         LOG_DEBUG( "**all*targets: event: %d, %s",
3027                    e,
3028                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3029
3030         target = all_targets;
3031         while (target){
3032                 target_handle_event( target, e );
3033                 target = target->next;
3034         }
3035 }
3036
3037 void
3038 target_handle_event( target_t *target, enum target_event e )
3039 {
3040         target_event_action_t *teap;
3041         int done;
3042
3043         teap = target->event_action;
3044
3045         done = 0;
3046         while( teap ){
3047                 if( teap->event == e ){
3048                         done = 1;
3049                         LOG_DEBUG( "target: (%d) %s (%s) event: %d (%s) action: %s\n",
3050                                            target->target_number,
3051                                            target->cmd_name,
3052                                            target->type->name,
3053                                            e,
3054                                            Jim_Nvp_value2name_simple( nvp_target_event, e )->name,
3055                                            Jim_GetString( teap->body, NULL ) );
3056                         if (Jim_EvalObj( interp, teap->body )!=JIM_OK)
3057                         {
3058                                 Jim_PrintErrorMessage(interp);
3059                         }
3060                 }
3061                 teap = teap->next;
3062         }
3063         if( !done ){
3064                 LOG_DEBUG( "event: %d %s - no action",
3065                                    e,
3066                                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3067         }
3068 }
3069
3070 enum target_cfg_param {
3071         TCFG_TYPE,
3072         TCFG_EVENT,
3073         TCFG_WORK_AREA_VIRT,
3074         TCFG_WORK_AREA_PHYS,
3075         TCFG_WORK_AREA_SIZE,
3076         TCFG_WORK_AREA_BACKUP,
3077         TCFG_ENDIAN,
3078         TCFG_VARIANT,
3079         TCFG_CHAIN_POSITION,
3080 };
3081
3082
3083 static Jim_Nvp nvp_config_opts[] = {
3084         { .name = "-type",             .value = TCFG_TYPE },
3085         { .name = "-event",            .value = TCFG_EVENT },
3086         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3087         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3088         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3089         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3090         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3091         { .name = "-variant",          .value = TCFG_VARIANT },
3092         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3093
3094         { .name = NULL, .value = -1 }
3095 };
3096
3097
3098 static int
3099 target_configure( Jim_GetOptInfo *goi,
3100                                   target_t *target )
3101 {
3102         Jim_Nvp *n;
3103         Jim_Obj *o;
3104         jim_wide w;
3105         char *cp;
3106         int e;
3107
3108
3109         /* parse config or cget options ... */
3110         while( goi->argc > 0 ){
3111                 Jim_SetEmptyResult( goi->interp );
3112                 //Jim_GetOpt_Debug( goi );
3113
3114                 if( target->type->target_jim_configure ){
3115                         /* target defines a configure function */
3116                         /* target gets first dibs on parameters */
3117                         e = (*(target->type->target_jim_configure))( target, goi );
3118                         if( e == JIM_OK ){
3119                                 /* more? */
3120                                 continue;
3121                         }
3122                         if( e == JIM_ERR ){
3123                                 /* An error */
3124                                 return e;
3125                         }
3126                         /* otherwise we 'continue' below */
3127                 }
3128                 e = Jim_GetOpt_Nvp( goi, nvp_config_opts, &n );
3129                 if( e != JIM_OK ){
3130                         Jim_GetOpt_NvpUnknown( goi, nvp_config_opts, 0 );
3131                         return e;
3132                 }
3133                 switch( n->value ){
3134                 case TCFG_TYPE:
3135                         /* not setable */
3136                         if( goi->isconfigure ){
3137                                 Jim_SetResult_sprintf( goi->interp, "not setable: %s", n->name );
3138                                 return JIM_ERR;
3139                         } else {
3140                         no_params:
3141                                 if( goi->argc != 0 ){
3142                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "NO PARAMS");
3143                                         return JIM_ERR;
3144                                 }
3145                         }
3146                         Jim_SetResultString( goi->interp, target->type->name, -1 );
3147                         /* loop for more */
3148                         break;
3149                 case TCFG_EVENT:
3150                         if( goi->argc == 0 ){
3151                                 Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3152                                 return JIM_ERR;
3153                         }
3154
3155                         e = Jim_GetOpt_Nvp( goi, nvp_target_event, &n );
3156                         if( e != JIM_OK ){
3157                                 Jim_GetOpt_NvpUnknown( goi, nvp_target_event, 1 );
3158                                 return e;
3159                         }
3160
3161                         if( goi->isconfigure ){
3162                                 if( goi->argc != 1 ){
3163                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3164                                         return JIM_ERR;
3165                                 }
3166                         } else {
3167                                 if( goi->argc != 0 ){
3168                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3169                                         return JIM_ERR;
3170                                 }
3171                         }
3172
3173
3174                         {
3175                                 target_event_action_t *teap;
3176
3177                                 teap = target->event_action;
3178                                 /* replace existing? */
3179                                 while( teap ){
3180                                         if( teap->event == n->value ){
3181                                                 break;
3182                                         }
3183                                         teap = teap->next;
3184                                 }
3185
3186                                 if( goi->isconfigure ){
3187                                         if( teap == NULL ){
3188                                                 /* create new */
3189                                                 teap = calloc( 1, sizeof(*teap) );
3190                                         }
3191                                         teap->event = n->value;
3192                                         Jim_GetOpt_Obj( goi, &o );
3193                                         if( teap->body ){
3194                                                 Jim_DecrRefCount( interp, teap->body );
3195                                         }
3196                                         teap->body  = Jim_DuplicateObj( goi->interp, o );
3197                                         /*
3198                                          * FIXME:
3199                                          *     Tcl/TK - "tk events" have a nice feature.
3200                                          *     See the "BIND" command.
3201                                          *    We should support that here.
3202                                          *     You can specify %X and %Y in the event code.
3203                                          *     The idea is: %T - target name.
3204                                          *     The idea is: %N - target number
3205                                          *     The idea is: %E - event name.
3206                                          */
3207                                         Jim_IncrRefCount( teap->body );
3208
3209                                         /* add to head of event list */
3210                                         teap->next = target->event_action;
3211                                         target->event_action = teap;
3212                                         Jim_SetEmptyResult(goi->interp);
3213                                 } else {
3214                                         /* get */
3215                                         if( teap == NULL ){
3216                                                 Jim_SetEmptyResult( goi->interp );
3217                                         } else {
3218                                                 Jim_SetResult( goi->interp, Jim_DuplicateObj( goi->interp, teap->body ) );
3219                                         }
3220                                 }
3221                         }
3222                         /* loop for more */
3223                         break;
3224
3225                 case TCFG_WORK_AREA_VIRT:
3226                         if( goi->isconfigure ){
3227                                 target_free_all_working_areas(target);
3228                                 e = Jim_GetOpt_Wide( goi, &w );
3229                                 if( e != JIM_OK ){
3230                                         return e;
3231                                 }
3232                                 target->working_area_virt = w;
3233                         } else {
3234                                 if( goi->argc != 0 ){
3235                                         goto no_params;
3236                                 }
3237                         }
3238                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_virt ) );
3239                         /* loop for more */
3240                         break;
3241
3242                 case TCFG_WORK_AREA_PHYS:
3243                         if( goi->isconfigure ){
3244                                 target_free_all_working_areas(target);
3245                                 e = Jim_GetOpt_Wide( goi, &w );
3246                                 if( e != JIM_OK ){
3247                                         return e;
3248                                 }
3249                                 target->working_area_phys = w;
3250                         } else {
3251                                 if( goi->argc != 0 ){
3252                                         goto no_params;
3253                                 }
3254                         }
3255                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_phys ) );
3256                         /* loop for more */
3257                         break;
3258
3259                 case TCFG_WORK_AREA_SIZE:
3260                         if( goi->isconfigure ){
3261                                 target_free_all_working_areas(target);
3262                                 e = Jim_GetOpt_Wide( goi, &w );
3263                                 if( e != JIM_OK ){
3264                                         return e;
3265                                 }
3266                                 target->working_area_size = w;
3267                         } else {
3268                                 if( goi->argc != 0 ){
3269                                         goto no_params;
3270                                 }
3271                         }
3272                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3273                         /* loop for more */
3274                         break;
3275
3276                 case TCFG_WORK_AREA_BACKUP:
3277                         if( goi->isconfigure ){
3278                                 target_free_all_working_areas(target);
3279                                 e = Jim_GetOpt_Wide( goi, &w );
3280                                 if( e != JIM_OK ){
3281                                         return e;
3282                                 }
3283                                 /* make this exactly 1 or 0 */
3284                                 target->backup_working_area = (!!w);
3285                         } else {
3286                                 if( goi->argc != 0 ){
3287                                         goto no_params;
3288                                 }
3289                         }
3290                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3291                         /* loop for more e*/
3292                         break;
3293
3294                 case TCFG_ENDIAN:
3295                         if( goi->isconfigure ){
3296                                 e = Jim_GetOpt_Nvp( goi, nvp_target_endian, &n );
3297                                 if( e != JIM_OK ){
3298                                         Jim_GetOpt_NvpUnknown( goi, nvp_target_endian, 1 );
3299                                         return e;
3300                                 }
3301                                 target->endianness = n->value;
3302                         } else {
3303                                 if( goi->argc != 0 ){
3304                                         goto no_params;
3305                                 }
3306                         }
3307                         n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3308                         if( n->name == NULL ){
3309                                 target->endianness = TARGET_LITTLE_ENDIAN;
3310                                 n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3311                         }
3312                         Jim_SetResultString( goi->interp, n->name, -1 );
3313                         /* loop for more */
3314                         break;
3315
3316                 case TCFG_VARIANT:
3317                         if( goi->isconfigure ){
3318                                 if( goi->argc < 1 ){
3319                                         Jim_SetResult_sprintf( goi->interp,
3320                                                                                    "%s ?STRING?",
3321                                                                                    n->name );
3322                                         return JIM_ERR;
3323                                 }
3324                                 if( target->variant ){
3325                                         free((void *)(target->variant));
3326                                 }
3327                                 e = Jim_GetOpt_String( goi, &cp, NULL );
3328                                 target->variant = strdup(cp);
3329                         } else {
3330                                 if( goi->argc != 0 ){
3331                                         goto no_params;
3332                                 }
3333                         }
3334                         Jim_SetResultString( goi->interp, target->variant,-1 );
3335                         /* loop for more */
3336                         break;
3337                 case TCFG_CHAIN_POSITION:
3338                         if( goi->isconfigure ){
3339                                 target_free_all_working_areas(target);
3340                                 e = Jim_GetOpt_Wide( goi, &w );
3341                                 if( e != JIM_OK ){
3342                                         return e;
3343                                 }
3344                                 /* make this exactly 1 or 0 */
3345                                 target->chain_position = w;
3346                         } else {
3347                                 if( goi->argc != 0 ){
3348                                         goto no_params;
3349                                 }
3350                         }
3351                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->chain_position ) );
3352                         /* loop for more e*/
3353                         break;
3354                 }
3355         } /* while( goi->argc ) */
3356                 /* done - we return */
3357         return JIM_OK;
3358 }
3359
3360
3361 /** this is the 'tcl' handler for the target specific command */
3362 static int
3363 tcl_target_func( Jim_Interp *interp,
3364                                  int argc,
3365                                  Jim_Obj *const *argv )
3366 {
3367         Jim_GetOptInfo goi;
3368         jim_wide a,b,c;
3369         int x,y,z;
3370         u8  target_buf[32];
3371         Jim_Nvp *n;
3372         target_t *target;
3373         struct command_context_s *cmd_ctx;
3374         int e;
3375
3376
3377         enum {
3378                 TS_CMD_CONFIGURE,
3379                 TS_CMD_CGET,
3380
3381                 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3382                 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3383                 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3384                 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3385                 TS_CMD_EXAMINE,
3386                 TS_CMD_POLL,
3387                 TS_CMD_RESET,
3388                 TS_CMD_HALT,
3389                 TS_CMD_WAITSTATE,
3390                 TS_CMD_EVENTLIST,
3391                 TS_CMD_CURSTATE,
3392                 TS_CMD_INVOKE_EVENT,
3393         };
3394
3395         static const Jim_Nvp target_options[] = {
3396                 { .name = "configure", .value = TS_CMD_CONFIGURE },
3397                 { .name = "cget", .value = TS_CMD_CGET },
3398                 { .name = "mww", .value = TS_CMD_MWW },
3399                 { .name = "mwh", .value = TS_CMD_MWH },
3400                 { .name = "mwb", .value = TS_CMD_MWB },
3401                 { .name = "mdw", .value = TS_CMD_MDW },
3402                 { .name = "mdh", .value = TS_CMD_MDH },
3403                 { .name = "mdb", .value = TS_CMD_MDB },
3404                 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3405                 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3406                 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3407                 { .name = "curstate",  .value = TS_CMD_CURSTATE },
3408
3409                 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3410                 { .name = "arp_poll", .value = TS_CMD_POLL },
3411                 { .name = "arp_reset", .value = TS_CMD_RESET },
3412                 { .name = "arp_halt", .value = TS_CMD_HALT },
3413                 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3414                 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3415
3416                 { .name = NULL, .value = -1 },
3417         };
3418
3419
3420         /* go past the "command" */
3421         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3422
3423         target = Jim_CmdPrivData( goi.interp );
3424         cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3425
3426         /* commands here are in an NVP table */
3427         e = Jim_GetOpt_Nvp( &goi, target_options, &n );
3428         if( e != JIM_OK ){
3429                 Jim_GetOpt_NvpUnknown( &goi, target_options, 0 );
3430                 return e;
3431         }
3432         // Assume blank result
3433         Jim_SetEmptyResult( goi.interp );
3434
3435         switch( n->value ){
3436         case TS_CMD_CONFIGURE:
3437                 if( goi.argc < 2 ){
3438                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3439                         return JIM_ERR;
3440                 }
3441                 goi.isconfigure = 1;
3442                 return target_configure( &goi, target );
3443         case TS_CMD_CGET:
3444                 // some things take params
3445                 if( goi.argc < 1 ){
3446                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "missing: ?-option?");
3447                         return JIM_ERR;
3448                 }
3449                 goi.isconfigure = 0;
3450                 return target_configure( &goi, target );
3451                 break;
3452         case TS_CMD_MWW:
3453         case TS_CMD_MWH:
3454         case TS_CMD_MWB:
3455                 /* argv[0] = cmd
3456                  * argv[1] = address
3457                  * argv[2] = data
3458                  * argv[3] = optional count.
3459                  */
3460
3461                 if( (goi.argc == 3) || (goi.argc == 4) ){
3462                         /* all is well */
3463                 } else {
3464                 mwx_error:
3465                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR DATA [COUNT]", n->name );
3466                         return JIM_ERR;
3467                 }
3468
3469                 e = Jim_GetOpt_Wide( &goi, &a );
3470                 if( e != JIM_OK ){
3471                         goto mwx_error;
3472                 }
3473
3474                 e = Jim_GetOpt_Wide( &goi, &b );
3475                 if( e != JIM_OK ){
3476                         goto mwx_error;
3477                 }
3478                 if( goi.argc ){
3479                         e = Jim_GetOpt_Wide( &goi, &c );
3480                         if( e != JIM_OK ){
3481                                 goto mwx_error;
3482                         }
3483                 } else {
3484                         c = 1;
3485                 }
3486
3487                 switch( n->value ){
3488                 case TS_CMD_MWW:
3489                         target_buffer_set_u32( target, target_buf, b );
3490                         b = 4;
3491                         break;
3492                 case TS_CMD_MWH:
3493                         target_buffer_set_u16( target, target_buf, b );
3494                         b = 2;
3495                         break;
3496                 case TS_CMD_MWB:
3497                         target_buffer_set_u8( target, target_buf, b );
3498                         b = 1;
3499                         break;
3500                 }
3501                 for( x = 0 ; x < c ; x++ ){
3502                         e = target->type->write_memory( target, a, b, 1, target_buf );
3503                         if( e != ERROR_OK ){
3504                                 Jim_SetResult_sprintf( interp, "Error writing @ 0x%08x: %d\n", (int)(a), e );
3505                                 return JIM_ERR;
3506                         }
3507                         /* b = width */
3508                         a = a + b;
3509                 }
3510                 return JIM_OK;
3511                 break;
3512
3513                 /* display */
3514         case TS_CMD_MDW:
3515         case TS_CMD_MDH:
3516         case TS_CMD_MDB:
3517                 /* argv[0] = command
3518                  * argv[1] = address
3519                  * argv[2] = optional count
3520                  */
3521                 if( (goi.argc == 2) || (goi.argc == 3) ){
3522                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR [COUNT]", n->name );
3523                         return JIM_ERR;
3524                 }
3525                 e = Jim_GetOpt_Wide( &goi, &a );
3526                 if( e != JIM_OK ){
3527                         return JIM_ERR;
3528                 }
3529                 if( goi.argc ){
3530                         e = Jim_GetOpt_Wide( &goi, &c );
3531                         if( e != JIM_OK ){
3532                                 return JIM_ERR;
3533                         }
3534                 } else {
3535                         c = 1;
3536                 }
3537                 b = 1; /* shut up gcc */
3538                 switch( n->value ){
3539                 case TS_CMD_MDW:
3540                         b =  4;
3541                         break;
3542                 case TS_CMD_MDH:
3543                         b = 2;
3544                         break;
3545                 case TS_CMD_MDB:
3546                         b = 1;
3547                         break;
3548                 }
3549
3550                 /* convert to "bytes" */
3551                 c = c * b;
3552                 /* count is now in 'BYTES' */
3553                 while( c > 0 ){
3554                         y = c;
3555                         if( y > 16 ){
3556                                 y = 16;
3557                         }
3558                         e = target->type->read_memory( target, a, b, y / b, target_buf );
3559                         if( e != ERROR_OK ){
3560                                 Jim_SetResult_sprintf( interp, "error reading target @ 0x%08lx", (int)(a) );
3561                                 return JIM_ERR;
3562                         }
3563
3564                         Jim_fprintf( interp, interp->cookie_stdout, "0x%08x ", (int)(a) );
3565                         switch( b ){
3566                         case 4:
3567                                 for( x = 0 ; (x < 16) && (x < y) ; x += 4 ){
3568                                         z = target_buffer_get_u32( target, &(target_buf[ x * 4 ]) );
3569                                         Jim_fprintf( interp, interp->cookie_stdout, "%08x ", (int)(z) );
3570                                 }
3571                                 for( ; (x < 16) ; x += 4 ){
3572                                         Jim_fprintf( interp, interp->cookie_stdout, "         " );
3573                                 }
3574                                 break;
3575                         case 2:
3576                                 for( x = 0 ; (x < 16) && (x < y) ; x += 2 ){
3577                                         z = target_buffer_get_u16( target, &(target_buf[ x * 2 ]) );
3578                                         Jim_fprintf( interp, interp->cookie_stdout, "%04x ", (int)(z) );
3579                                 }
3580                                 for( ; (x < 16) ; x += 2 ){
3581                                         Jim_fprintf( interp, interp->cookie_stdout, "     " );
3582                                 }
3583                                 break;
3584                         case 1:
3585                         default:
3586                                 for( x = 0 ; (x < 16) && (x < y) ; x += 1 ){
3587                                         z = target_buffer_get_u8( target, &(target_buf[ x * 4 ]) );
3588                                         Jim_fprintf( interp, interp->cookie_stdout, "%02x ", (int)(z) );
3589                                 }
3590                                 for( ; (x < 16) ; x += 1 ){
3591                                         Jim_fprintf( interp, interp->cookie_stdout, "   " );
3592                                 }
3593                                 break;
3594                         }
3595                         /* ascii-ify the bytes */
3596                         for( x = 0 ; x < y ; x++ ){
3597                                 if( (target_buf[x] >= 0x20) &&
3598                                         (target_buf[x] <= 0x7e) ){
3599                                         /* good */
3600                                 } else {
3601                                         /* smack it */
3602                                         target_buf[x] = '.';
3603                                 }
3604                         }
3605                         /* space pad  */
3606                         while( x < 16 ){
3607                                 target_buf[x] = ' ';
3608                                 x++;
3609                         }
3610                         /* terminate */
3611                         target_buf[16] = 0;
3612                         /* print - with a newline */
3613                         Jim_fprintf( interp, interp->cookie_stdout, "%s\n", target_buf );
3614                         /* NEXT... */
3615                         c -= 16;
3616                         a += 16;
3617                 }
3618                 return JIM_OK;
3619         case TS_CMD_MEM2ARRAY:
3620                 return target_mem2array( goi.interp, target, goi.argc, goi.argv );
3621                 break;
3622         case TS_CMD_ARRAY2MEM:
3623                 return target_array2mem( goi.interp, target, goi.argc, goi.argv );
3624                 break;
3625         case TS_CMD_EXAMINE:
3626                 if( goi.argc ){
3627                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3628                         return JIM_ERR;
3629                 }
3630                 e = target->type->examine( target );
3631                 if( e != ERROR_OK ){
3632                         Jim_SetResult_sprintf( interp, "examine-fails: %d", e );
3633                         return JIM_ERR;
3634                 }
3635                 return JIM_OK;
3636         case TS_CMD_POLL:
3637                 if( goi.argc ){
3638                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3639                         return JIM_ERR;
3640                 }
3641                 if( !(target->type->examined) ){
3642                         e = ERROR_TARGET_NOT_EXAMINED;
3643                 } else {
3644                         e = target->type->poll( target );
3645                 }
3646                 if( e != ERROR_OK ){
3647                         Jim_SetResult_sprintf( interp, "poll-fails: %d", e );
3648                         return JIM_ERR;
3649                 } else {
3650                         return JIM_OK;
3651                 }
3652                 break;
3653         case TS_CMD_RESET:
3654                 if( goi.argc != 2 ){
3655                         Jim_WrongNumArgs( interp, 2, argv, "t|f|assert|deassert BOOL");
3656                         return JIM_ERR;
3657                 }
3658                 e = Jim_GetOpt_Nvp( &goi, nvp_assert, &n );
3659                 if( e != JIM_OK ){
3660                         Jim_GetOpt_NvpUnknown( &goi, nvp_assert, 1 );
3661                         return e;
3662                 }
3663                 // the halt or not param
3664                 e = Jim_GetOpt_Wide( &goi, &a);
3665                 if( e != JIM_OK ){
3666                         return e;
3667                 }
3668                 // determine if we should halt or not.
3669                 target->reset_halt = !!a;
3670                 // When this happens - all workareas are invalid.
3671                 target_free_all_working_areas_restore(target, 0);
3672
3673                 // do the assert
3674                 if( n->value == NVP_ASSERT ){
3675                         target->type->assert_reset( target );
3676                 } else {
3677                         target->type->deassert_reset( target );
3678                 }
3679                 return JIM_OK;
3680         case TS_CMD_HALT:
3681                 if( goi.argc ){
3682                         Jim_WrongNumArgs( goi.interp, 0, argv, "halt [no parameters]");
3683                         return JIM_ERR;
3684                 }
3685                 target->type->halt( target );
3686                 return JIM_OK;
3687         case TS_CMD_WAITSTATE:
3688                 // params:  <name>  statename timeoutmsecs
3689                 if( goi.argc != 2 ){
3690                         Jim_SetResult_sprintf( goi.interp, "%s STATENAME TIMEOUTMSECS", n->name );
3691                         return JIM_ERR;
3692                 }
3693                 e = Jim_GetOpt_Nvp( &goi, nvp_target_state, &n );
3694                 if( e != JIM_OK ){
3695                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_state,1 );
3696                         return e;
3697                 }
3698                 e = Jim_GetOpt_Wide( &goi, &a );
3699                 if( e != JIM_OK ){
3700                         return e;
3701                 }
3702                 e = target_wait_state( target, n->value, a );
3703                 if( e != ERROR_OK ){
3704                         Jim_SetResult_sprintf( goi.interp,
3705                                                                    "target: %s wait %s fails (%d) %s",
3706                                                                    target->cmd_name,
3707                                                                    n->name,
3708                                                e, target_strerror_safe(e) );
3709                         return JIM_ERR;
3710                 } else {
3711                         return JIM_OK;
3712                 }
3713         case TS_CMD_EVENTLIST:
3714                 /* List for human, Events defined for this target.
3715                  * scripts/programs should use 'name cget -event NAME'
3716                  */
3717                 {
3718                         target_event_action_t *teap;
3719                         teap = target->event_action;
3720                         command_print( cmd_ctx, "Event actions for target (%d) %s\n",
3721                                                    target->target_number,
3722                                                    target->cmd_name );
3723                         command_print( cmd_ctx, "%-25s | Body", "Event");
3724                         command_print( cmd_ctx, "------------------------- | ----------------------------------------");
3725                         while( teap ){
3726                                 command_print( cmd_ctx,
3727                                                            "%-25s | %s",
3728                                                            Jim_Nvp_value2name_simple( nvp_target_event, teap->event )->name,
3729                                                            Jim_GetString( teap->body, NULL ) );
3730                                 teap = teap->next;
3731                         }
3732                         command_print( cmd_ctx, "***END***");
3733                         return JIM_OK;
3734                 }
3735         case TS_CMD_CURSTATE:
3736                 if( goi.argc != 0 ){
3737                         Jim_WrongNumArgs( goi.interp, 0, argv, "[no parameters]");
3738                         return JIM_ERR;
3739                 }
3740                 Jim_SetResultString( goi.interp,
3741                                                          Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name,-1);
3742                 return JIM_OK;
3743         case TS_CMD_INVOKE_EVENT:
3744                 if( goi.argc != 1 ){
3745                         Jim_SetResult_sprintf( goi.interp, "%s ?EVENTNAME?",n->name);
3746                         return JIM_ERR;
3747                 }
3748                 e = Jim_GetOpt_Nvp( &goi, nvp_target_event, &n );
3749                 if( e != JIM_OK ){
3750                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_event, 1 );
3751                         return e;
3752                 }
3753                 target_handle_event( target, n->value );
3754                 return JIM_OK;
3755         }
3756         return JIM_ERR;
3757 }
3758
3759
3760 static int
3761 target_create( Jim_GetOptInfo *goi )
3762 {
3763
3764         Jim_Obj *new_cmd;
3765         Jim_Cmd *cmd;
3766         const char *cp;
3767         char *cp2;
3768         int e;
3769         int x;
3770         target_t *target;
3771         struct command_context_s *cmd_ctx;
3772
3773         cmd_ctx = Jim_GetAssocData(goi->interp, "context");
3774         if( goi->argc < 3 ){
3775                 Jim_WrongNumArgs( goi->interp, 1, goi->argv, "?name? ?type? ..options...");
3776                 return JIM_ERR;
3777         }
3778
3779         /* COMMAND */
3780         Jim_GetOpt_Obj( goi, &new_cmd );
3781         /* does this command exist? */
3782         cmd = Jim_GetCommand( goi->interp, new_cmd, JIM_ERRMSG );
3783         if( cmd ){
3784                 cp = Jim_GetString( new_cmd, NULL );
3785                 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
3786                 return JIM_ERR;
3787         }
3788
3789         /* TYPE */
3790         e = Jim_GetOpt_String( goi, &cp2, NULL );
3791         cp = cp2;
3792         /* now does target type exist */
3793         for( x = 0 ; target_types[x] ; x++ ){
3794                 if( 0 == strcmp( cp, target_types[x]->name ) ){
3795                         /* found */
3796                         break;
3797                 }
3798         }
3799         if( target_types[x] == NULL ){
3800                 Jim_SetResult_sprintf( goi->interp, "Unknown target type %s, try one of ", cp );
3801                 for( x = 0 ; target_types[x] ; x++ ){
3802                         if( target_types[x+1] ){
3803                                 Jim_AppendStrings( goi->interp,
3804                                                                    Jim_GetResult(goi->interp),
3805                                                                    target_types[x]->name,
3806                                                                    ", ", NULL);
3807                         } else {
3808                                 Jim_AppendStrings( goi->interp,
3809                                                                    Jim_GetResult(goi->interp),
3810                                                                    " or ",
3811                                                                    target_types[x]->name,NULL );
3812                         }
3813                 }
3814                 return JIM_ERR;
3815         }
3816
3817
3818         /* Create it */
3819         target = calloc(1,sizeof(target_t));
3820         /* set target number */
3821         target->target_number = new_target_number();
3822
3823         /* allocate memory for each unique target type */
3824         target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
3825
3826         memcpy( target->type, target_types[x], sizeof(target_type_t));
3827
3828         /* will be set by "-endian" */
3829         target->endianness = TARGET_ENDIAN_UNKNOWN;
3830
3831         target->working_area        = 0x0;
3832         target->working_area_size   = 0x0;
3833         target->working_areas       = NULL;
3834         target->backup_working_area = 0;
3835
3836         target->state               = TARGET_UNKNOWN;
3837         target->debug_reason        = DBG_REASON_UNDEFINED;
3838         target->reg_cache           = NULL;
3839         target->breakpoints         = NULL;
3840         target->watchpoints         = NULL;
3841         target->next                = NULL;
3842         target->arch_info           = NULL;
3843
3844         /* initialize trace information */
3845         target->trace_info = malloc(sizeof(trace_t));
3846         target->trace_info->num_trace_points         = 0;
3847         target->trace_info->trace_points_size        = 0;
3848         target->trace_info->trace_points             = NULL;
3849         target->trace_info->trace_history_size       = 0;
3850         target->trace_info->trace_history            = NULL;
3851         target->trace_info->trace_history_pos        = 0;
3852         target->trace_info->trace_history_overflowed = 0;
3853
3854         target->dbgmsg          = NULL;
3855         target->dbg_msg_enabled = 0;
3856
3857         target->endianness = TARGET_ENDIAN_UNKNOWN;
3858
3859         /* Do the rest as "configure" options */
3860         goi->isconfigure = 1;
3861         e = target_configure( goi, target);
3862         if( e != JIM_OK ){
3863                 free( target->type );
3864                 free( target );
3865                 return e;
3866         }
3867
3868         if( target->endianness == TARGET_ENDIAN_UNKNOWN ){
3869                 /* default endian to little if not specified */
3870                 target->endianness = TARGET_LITTLE_ENDIAN;
3871         }
3872
3873         /* create the target specific commands */
3874         if( target->type->register_commands ){
3875                 (*(target->type->register_commands))( cmd_ctx );
3876         }
3877         if( target->type->target_create ){
3878                 (*(target->type->target_create))( target, goi->interp );
3879         }
3880
3881         /* append to end of list */
3882         {
3883                 target_t **tpp;
3884                 tpp = &(all_targets);
3885                 while( *tpp ){
3886                         tpp = &( (*tpp)->next );
3887                 }
3888                 *tpp = target;
3889         }
3890
3891         cp = Jim_GetString( new_cmd, NULL );
3892         target->cmd_name = strdup(cp);
3893
3894         /* now - create the new target name command */
3895         e = Jim_CreateCommand( goi->interp,
3896                                                    /* name */
3897                                                    cp,
3898                                                    tcl_target_func, /* C function */
3899                                                    target, /* private data */
3900                                                    NULL ); /* no del proc */
3901
3902         return e;
3903 }
3904
3905 static int
3906 jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3907 {
3908         int x,r,e;
3909         jim_wide w;
3910         struct command_context_s *cmd_ctx;
3911         const char *cp;
3912         target_t *target;
3913         Jim_GetOptInfo goi;
3914         enum tcmd {
3915                 /* TG = target generic */
3916                 TG_CMD_CREATE,
3917                 TG_CMD_TYPES,
3918                 TG_CMD_NAMES,
3919                 TG_CMD_CURRENT,
3920                 TG_CMD_NUMBER,
3921                 TG_CMD_COUNT,
3922         };
3923         const char *target_cmds[] = {
3924                 "create", "types", "names", "current", "number",
3925                 "count",
3926                 NULL // terminate
3927         };
3928
3929         LOG_DEBUG("Target command params:");
3930         LOG_DEBUG(Jim_Debug_ArgvString( interp, argc, argv) );
3931
3932         cmd_ctx = Jim_GetAssocData( interp, "context" );
3933
3934         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3935
3936         if( goi.argc == 0 ){
3937                 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
3938                 return JIM_ERR;
3939         }
3940
3941         /* is this old syntax? */
3942         /* To determine: We have to peek at argv[0]*/
3943         cp = Jim_GetString( goi.argv[0], NULL );
3944         for( x = 0 ; target_types[x] ; x++ ){
3945                 if( 0 == strcmp(cp,target_types[x]->name) ){
3946                         break;
3947                 }
3948         }
3949         if( target_types[x] ){
3950                 /* YES IT IS OLD SYNTAX */
3951                 Jim_Obj *new_argv[10];
3952                 int      new_argc;
3953
3954                 /* target_old_syntax
3955                  *
3956                  * It appears that there are 2 old syntaxes:
3957                  *
3958                  * target <typename> <endian> <chain position> <variant>
3959                  *
3960                  * and
3961                  *
3962                  * target <typename> <endian> <reset mode> <chain position> <variant>
3963                  *
3964                  */
3965
3966                 /* The minimum number of arguments is 4 */
3967                 if( argc < 4 ){
3968                         Jim_WrongNumArgs( interp, 1, argv, "[OLDSYNTAX] ?TYPE? ?ENDIAN? ?CHAIN-POSITION? ?VARIANT?");
3969                         return JIM_ERR;
3970                 }
3971
3972                 /* the command */
3973                 new_argv[0] = argv[0];
3974                 new_argv[1] = Jim_NewStringObj( interp, "create", -1 );
3975                 {
3976                         char buf[ 30 ];
3977                         sprintf( buf, "target%d", new_target_number() );
3978                         new_argv[2] = Jim_NewStringObj( interp, buf , -1 );
3979                 }
3980                 new_argv[3] = goi.argv[0]; /* typename */
3981                 new_argv[4] = Jim_NewStringObj( interp, "-endian", -1 );
3982                 new_argv[5] = goi.argv[1];
3983                 new_argv[6] = Jim_NewStringObj( interp, "-chain-position", -1 );
3984
3985                 /* If goi.argv[2] is not a number, we need to skip it since it is the reset mode. */
3986                 jim_wide w;
3987                 int chain_position_argv = 2;
3988                 if (JIM_ERR == Jim_GetWide(interp, goi.argv[chain_position_argv], &w)) {
3989                         if (chain_position_argv + 1 < goi.argc) {
3990                                 chain_position_argv += 1;
3991                         } else {
3992                                 Jim_WrongNumArgs( interp, 1, argv, "[OLDSYNTAX] ?TYPE? ?ENDIAN? ?RESET? ?CHAIN-POSITION? ?VARIANT?");
3993                                 return JIM_ERR;
3994                         }
3995                 }
3996
3997                 new_argv[7] = goi.argv[chain_position_argv];
3998
3999                 /* Only provide a variant configure option if there was a variant specified */
4000                 if (chain_position_argv + 1 < goi.argc) {
4001                         new_argv[8] = Jim_NewStringObj( interp, "-variant", -1 );
4002                         new_argv[9] = goi.argv[chain_position_argv + 1];
4003                         new_argc = 10;
4004                 } else {
4005                         new_argc = 8;
4006                 }
4007
4008                 /*
4009                  * new arg syntax:
4010                  *   argv[0] = command
4011                  *   argv[1] = create
4012                  *   argv[2] = cmdname
4013                  *   argv[3] = typename
4014                  *   argv[4] = -endian
4015                  *   argv[5] = little
4016                  *   argv[6] = -position
4017                  *   argv[7] = NUMBER
4018                  *   argv[8] = -variant
4019                  *   argv[9] = "somestring"
4020                  */
4021
4022                 /* don't let these be released */
4023                 for( x = 0 ; x < new_argc ; x++ ){
4024                         Jim_IncrRefCount( new_argv[x]);
4025                 }
4026                 /* call our self */
4027                 LOG_DEBUG("Target OLD SYNTAX - converted to new syntax");
4028
4029                 r = jim_target( goi.interp, new_argc, new_argv );
4030
4031                 /* release? these items */
4032                 for( x = 0 ; x < new_argc ; x++ ){
4033                         Jim_DecrRefCount( interp, new_argv[x] );
4034                 }
4035                 return r;
4036         }
4037
4038         //Jim_GetOpt_Debug( &goi );
4039         r = Jim_GetOpt_Enum( &goi, target_cmds, &x   );
4040         if( r != JIM_OK ){
4041                 return r;
4042         }
4043
4044         switch(x){
4045         default:
4046                 Jim_Panic(goi.interp,"Why am I here?");
4047                 return JIM_ERR;
4048         case TG_CMD_CURRENT:
4049                 if( goi.argc != 0 ){
4050                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters");
4051                         return JIM_ERR;
4052                 }
4053                 Jim_SetResultString( goi.interp, get_current_target( cmd_ctx )->cmd_name, -1 );
4054                 return JIM_OK;
4055         case TG_CMD_TYPES:
4056                 if( goi.argc != 0 ){
4057                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4058                         return JIM_ERR;
4059                 }
4060                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4061                 for( x = 0 ; target_types[x] ; x++ ){
4062                         Jim_ListAppendElement( goi.interp,
4063                                                                    Jim_GetResult(goi.interp),
4064                                                                    Jim_NewStringObj( goi.interp, target_types[x]->name, -1 ) );
4065                 }
4066                 return JIM_OK;
4067         case TG_CMD_NAMES:
4068                 if( goi.argc != 0 ){
4069                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4070                         return JIM_ERR;
4071                 }
4072                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4073                 target = all_targets;
4074                 while( target ){
4075                         Jim_ListAppendElement( goi.interp,
4076                                                                    Jim_GetResult(goi.interp),
4077                                                                    Jim_NewStringObj( goi.interp, target->cmd_name, -1 ) );
4078                         target = target->next;
4079                 }
4080                 return JIM_OK;
4081         case TG_CMD_CREATE:
4082                 if( goi.argc < 3 ){
4083                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "?name  ... config options ...");
4084                         return JIM_ERR;
4085                 }
4086                 return target_create( &goi );
4087                 break;
4088         case TG_CMD_NUMBER:
4089                 if( goi.argc != 1 ){
4090                         Jim_SetResult_sprintf( goi.interp, "expected: target number ?NUMBER?");
4091                         return JIM_ERR;
4092                 }
4093                 e = Jim_GetOpt_Wide( &goi, &w );
4094                 if( e != JIM_OK ){
4095                         return JIM_ERR;
4096                 }
4097                 {
4098                         target_t *t;
4099                         t = get_target_by_num(w);
4100                         if( t == NULL ){
4101                                 Jim_SetResult_sprintf( goi.interp,"Target: number %d does not exist", (int)(w));
4102                                 return JIM_ERR;
4103                         }
4104                         Jim_SetResultString( goi.interp, t->cmd_name, -1 );
4105                         return JIM_OK;
4106                 }
4107         case TG_CMD_COUNT:
4108                 if( goi.argc != 0 ){
4109                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "<no parameters>");
4110                         return JIM_ERR;
4111                 }
4112                 Jim_SetResult( goi.interp,
4113                                            Jim_NewIntObj( goi.interp, max_target_number()));
4114                 return JIM_OK;
4115         }
4116
4117         return JIM_ERR;
4118 }