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

   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2007,2008 Øyvind Harboe                                      *
   6  *   oyvind.harboe@zylin.com                                               *
   7  *                                                                         *
   8  *   Copyright (C) 2008, Duane Ellis                                       *
   9  *   openocd@duaneeellis.com                                               *
  10  *                                                                         *
  11  *   This program is free software; you can redistribute it and/or modify  *
  12  *   it under the terms of the GNU General Public License as published by  *
  13  *   the Free Software Foundation; either version 2 of the License, or     *
  14  *   (at your option) any later version.                                   *
  15  *                                                                         *
  16  *   This program is distributed in the hope that it will be useful,       *
  17  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  18  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  19  *   GNU General Public License for more details.                          *
  20  *                                                                         *
  21  *   You should have received a copy of the GNU General Public License     *
  22  *   along with this program; if not, write to the                         *
  23  *   Free Software Foundation, Inc.,                                       *
  24  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  25  ***************************************************************************/
  26 #ifdef HAVE_CONFIG_H
  27 #include "config.h"
  28 #endif
  29
  30 #include "replacements.h"
  31 #include "target.h"
  32 #include "target_request.h"
  33
  34 #include "log.h"
  35 #include "configuration.h"
  36 #include "binarybuffer.h"
  37 #include "jtag.h"
  38
  39 #include <string.h>
  40 #include <stdlib.h>
  41 #include <inttypes.h>
  42
  43 #include <sys/types.h>
  44 #include <sys/stat.h>
  45 #include <unistd.h>
  46 #include <errno.h>
  47
  48 #include <sys/time.h>
  49 #include <time.h>
  50
  51 #include <time_support.h>
  52
  53 #include <fileio.h>
  54 #include <image.h>
  55
  56 static int USE_OLD_RESET = 0; // temp
  57
  58 int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
  59
  60
  61 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  62
  63 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  64
  65 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  66 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  67 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  68 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  69 int handle_NEWreset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  70 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  71 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  72 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  73 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  74 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  75 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  76 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  77 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  78 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  79 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  80 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  81 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  82 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  83 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
  84 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  85 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  86 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  87 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  88
  89 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  90 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  91
  92
  93
  94 /* targets */
  95 extern target_type_t arm7tdmi_target;
  96 extern target_type_t arm720t_target;
  97 extern target_type_t arm9tdmi_target;
  98 extern target_type_t arm920t_target;
  99 extern target_type_t arm966e_target;
 100 extern target_type_t arm926ejs_target;
 101 extern target_type_t feroceon_target;
 102 extern target_type_t xscale_target;
 103 extern target_type_t cortexm3_target;
 104 extern target_type_t arm11_target;
 105 extern target_type_t mips_m4k_target;
 106
 107 target_type_t *target_types[] =
 108 {
 109         &arm7tdmi_target,
 110         &arm9tdmi_target,
 111         &arm920t_target,
 112         &arm720t_target,
 113         &arm966e_target,
 114         &arm926ejs_target,
 115         &feroceon_target,
 116         &xscale_target,
 117         &cortexm3_target,
 118         &arm11_target,
 119         &mips_m4k_target,
 120         NULL,
 121 };
 122
 123 target_t *all_targets = NULL;
 124 target_event_callback_t *target_event_callbacks = NULL;
 125 target_timer_callback_t *target_timer_callbacks = NULL;
 126
 127 const Jim_Nvp nvp_assert[] = {
 128         { .name = "assert", NVP_ASSERT },
 129         { .name = "deassert", NVP_DEASSERT },
 130         { .name = "T", NVP_ASSERT },
 131         { .name = "F", NVP_DEASSERT },
 132         { .name = "t", NVP_ASSERT },
 133         { .name = "f", NVP_DEASSERT },
 134         { .name = NULL, .value = -1 }
 135 };
 136
 137 const Jim_Nvp nvp_error_target[] = {
 138         { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
 139         { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
 140         { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
 141         { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
 142         { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
 143         { .value = ERROR_TARGET_UNALIGNED_ACCESS   , .name = "err-unaligned-access" },
 144         { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
 145         { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
 146         { .value = ERROR_TARGET_TRANSLATION_FAULT  , .name = "err-translation-fault" },
 147         { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
 148         { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
 149         { .value = -1, .name = NULL }
 150 };
 151
 152 const char *target_strerror_safe( int err )
 153 {
 154         const Jim_Nvp *n;
 155
 156         n = Jim_Nvp_value2name_simple( nvp_error_target, err );
 157         if( n->name == NULL ){
 158                 return "unknown";
 159         } else {
 160                 return n->name;
 161         }
 162 }
 163
 164 const Jim_Nvp nvp_target_event[] = {
 165         { .value = TARGET_EVENT_OLD_pre_reset          , .name = "old-pre_reset" },
 166         { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
 167         { .value = TARGET_EVENT_OLD_post_reset         , .name = "old-post_reset" },
 168         { .value = TARGET_EVENT_OLD_pre_resume         , .name = "old-pre_resume" },
 169
 170
 171         { .value = TARGET_EVENT_HALTED, .name = "halted" },
 172         { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
 173         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 174         { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
 175
 176         /* historical name */
 177
 178         { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
 179
 180         { .value = TARGET_EVENT_RESET_ASSERT_PRE,    .name = "reset-assert-pre" },
 181         { .value = TARGET_EVENT_RESET_ASSERT_POST,   .name = "reset-assert-post" },
 182         { .value = TARGET_EVENT_RESET_DEASSERT_PRE,  .name = "reset-deassert-pre" },
 183         { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
 184         { .value = TARGET_EVENT_RESET_HALT_PRE,      .name = "reset-halt-pre" },
 185         { .value = TARGET_EVENT_RESET_HALT_POST,     .name = "reset-halt-post" },
 186         { .value = TARGET_EVENT_RESET_WAIT_PRE,      .name = "reset-wait-pre" },
 187         { .value = TARGET_EVENT_RESET_WAIT_POST,     .name = "reset-wait-post" },
 188         { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
 189         { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
 190
 191
 192
 193
 194
 195         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
 196         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-end" },
 197
 198
 199         { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
 200         { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
 201
 202         { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
 203         { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
 204
 205
 206         { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
 207         { .value = TARGET_EVENT_GDB_FLASH_WRITE_END  , .name = "gdb-flash-write-end"   },
 208
 209         { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
 210         { .value = TARGET_EVENT_GDB_FLASH_ERASE_END  , .name = "gdb-flash-erase-end" },
 211
 212         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 213         { .value = TARGET_EVENT_RESUMED     , .name = "resume-ok" },
 214         { .value = TARGET_EVENT_RESUME_END  , .name = "resume-end" },
 215
 216         { .name = NULL, .value = -1 }
 217 };
 218
 219 const Jim_Nvp nvp_target_state[] = {
 220         { .name = "unknown", .value = TARGET_UNKNOWN },
 221         { .name = "running", .value = TARGET_RUNNING },
 222         { .name = "halted",  .value = TARGET_HALTED },
 223         { .name = "reset",   .value = TARGET_RESET },
 224         { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
 225         { .name = NULL, .value = -1 },
 226 };
 227
 228
 229 const Jim_Nvp nvp_target_debug_reason [] = {
 230         { .name = "debug-request"            , .value = DBG_REASON_DBGRQ },
 231         { .name = "breakpoint"               , .value = DBG_REASON_BREAKPOINT },
 232         { .name = "watchpoint"               , .value = DBG_REASON_WATCHPOINT },
 233         { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
 234         { .name = "single-step"              , .value = DBG_REASON_SINGLESTEP },
 235         { .name = "target-not-halted"        , .value = DBG_REASON_NOTHALTED  },
 236         { .name = "undefined"                , .value = DBG_REASON_UNDEFINED },
 237         { .name = NULL, .value = -1 },
 238 };
 239
 240
 241 const Jim_Nvp nvp_target_endian[] = {
 242         { .name = "big",    .value = TARGET_BIG_ENDIAN },
 243         { .name = "little", .value = TARGET_LITTLE_ENDIAN },
 244         { .name = "be",     .value = TARGET_BIG_ENDIAN },
 245         { .name = "le",     .value = TARGET_LITTLE_ENDIAN },
 246         { .name = NULL,     .value = -1 },
 247 };
 248
 249 const Jim_Nvp nvp_reset_modes[] = {
 250         { .name = "unknown", .value = RESET_UNKNOWN },
 251         { .name = "run"    , .value = RESET_RUN },
 252         { .name = "halt"   , .value = RESET_HALT },
 253         { .name = "init"   , .value = RESET_INIT },
 254         { .name = NULL     , .value = -1 },
 255 };
 256
 257 static int
 258 max_target_number( void )
 259 {
 260         target_t *t;
 261         int x;
 262
 263         x = -1;
 264         t = all_targets;
 265         while( t ){
 266                 if( x < t->target_number ){
 267                         x = (t->target_number)+1;
 268                 }
 269                 t = t->next;
 270         }
 271         return x;
 272 }
 273
 274 /* determine the number of the new target */
 275 static int
 276 new_target_number( void )
 277 {
 278         target_t *t;
 279         int x;
 280
 281         /* number is 0 based */
 282         x = -1;
 283         t = all_targets;
 284         while(t){
 285                 if( x < t->target_number ){
 286                         x = t->target_number;
 287                 }
 288                 t = t->next;
 289         }
 290         return x+1;
 291 }
 292
 293 static int target_continous_poll = 1;
 294
 295 /* read a u32 from a buffer in target memory endianness */
 296 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
 297 {
 298         if (target->endianness == TARGET_LITTLE_ENDIAN)
 299                 return le_to_h_u32(buffer);
 300         else
 301                 return be_to_h_u32(buffer);
 302 }
 303
 304 /* read a u16 from a buffer in target memory endianness */
 305 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
 306 {
 307         if (target->endianness == TARGET_LITTLE_ENDIAN)
 308                 return le_to_h_u16(buffer);
 309         else
 310                 return be_to_h_u16(buffer);
 311 }
 312
 313 /* read a u8 from a buffer in target memory endianness */
 314 u8 target_buffer_get_u8(target_t *target, u8 *buffer)
 315 {
 316         return *buffer & 0x0ff;
 317 }
 318
 319 /* write a u32 to a buffer in target memory endianness */
 320 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
 321 {
 322         if (target->endianness == TARGET_LITTLE_ENDIAN)
 323                 h_u32_to_le(buffer, value);
 324         else
 325                 h_u32_to_be(buffer, value);
 326 }
 327
 328 /* write a u16 to a buffer in target memory endianness */
 329 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
 330 {
 331         if (target->endianness == TARGET_LITTLE_ENDIAN)
 332                 h_u16_to_le(buffer, value);
 333         else
 334                 h_u16_to_be(buffer, value);
 335 }
 336
 337 /* write a u8 to a buffer in target memory endianness */
 338 void target_buffer_set_u8(target_t *target, u8 *buffer, u8 value)
 339 {
 340         *buffer = value;
 341 }
 342
 343 /* returns a pointer to the n-th configured target */
 344 target_t* get_target_by_num(int num)
 345 {
 346         target_t *target = all_targets;
 347
 348         while (target){
 349                 if( target->target_number == num ){
 350                         return target;
 351                 }
 352                 target = target->next;
 353         }
 354
 355         return NULL;
 356 }
 357
 358 int get_num_by_target(target_t *query_target)
 359 {
 360         return query_target->target_number;
 361 }
 362
 363 target_t* get_current_target(command_context_t *cmd_ctx)
 364 {
 365         target_t *target = get_target_by_num(cmd_ctx->current_target);
 366
 367         if (target == NULL)
 368         {
 369                 LOG_ERROR("BUG: current_target out of bounds");
 370                 exit(-1);
 371         }
 372
 373         return target;
 374 }
 375
 376
 377 int target_poll(struct target_s *target)
 378 {
 379         /* We can't poll until after examine */
 380         if (!target->type->examined)
 381         {
 382                 /* Fail silently lest we pollute the log */
 383                 return ERROR_FAIL;
 384         }
 385         return target->type->poll(target);
 386 }
 387
 388 int target_halt(struct target_s *target)
 389 {
 390         /* We can't poll until after examine */
 391         if (!target->type->examined)
 392         {
 393                 LOG_ERROR("Target not examined yet");
 394                 return ERROR_FAIL;
 395         }
 396         return target->type->halt(target);
 397 }
 398
 399 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
 400 {
 401         int retval;
 402
 403         /* We can't poll until after examine */
 404         if (!target->type->examined)
 405         {
 406                 LOG_ERROR("Target not examined yet");
 407                 return ERROR_FAIL;
 408         }
 409
 410         /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
 411          * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
 412          * the application.
 413          */
 414         if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
 415                 return retval;
 416
 417         return retval;
 418 }
 419
 420
 421 static int NEW_target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
 422 {
 423         char buf[100];
 424         Jim_Nvp *n;
 425         n = Jim_Nvp_value2name_simple( nvp_reset_modes, reset_mode );
 426         if( n->name == NULL ){
 427                 LOG_ERROR("invalid reset mode");
 428                 return ERROR_FAIL;
 429         }
 430
 431         sprintf( buf, "ocd_process_reset %s", n->name );
 432         Jim_Eval( interp, buf );
 433
 434         /* We want any events to be processed before the prompt */
 435         target_call_timer_callbacks_now();
 436
 437         return ERROR_OK;
 438 }
 439
 440 // Next patch - this turns into TCL...
 441 static int OLD_target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
 442 {
 443         int retval = ERROR_OK;
 444         target_t *target;
 445
 446         target = all_targets;
 447
 448         target_all_handle_event( TARGET_EVENT_OLD_pre_reset );
 449
 450         if ((retval = jtag_init_reset(cmd_ctx)) != ERROR_OK)
 451                 return retval;
 452
 453         keep_alive(); /* we might be running on a very slow JTAG clk */
 454
 455         /* First time this is executed after launching OpenOCD, it will read out
 456          * the type of CPU, etc. and init Embedded ICE registers in host
 457          * memory.
 458          *
 459          * It will also set up ICE registers in the target.
 460          *
 461          * However, if we assert TRST later, we need to set up the registers again.
 462          *
 463          * For the "reset halt/init" case we must only set up the registers here.
 464          */
 465         if ((retval = target_examine()) != ERROR_OK)
 466                 return retval;
 467
 468         keep_alive(); /* we might be running on a very slow JTAG clk */
 469
 470         target = all_targets;
 471         while (target)
 472         {
 473                 /* we have no idea what state the target is in, so we
 474                  * have to drop working areas
 475                  */
 476                 target_free_all_working_areas_restore(target, 0);
 477                 target->reset_halt=((reset_mode==RESET_HALT)||(reset_mode==RESET_INIT));
 478                 if ((retval = target->type->assert_reset(target))!=ERROR_OK)
 479                         return retval;
 480                 target = target->next;
 481         }
 482
 483         target = all_targets;
 484         while (target)
 485         {
 486                 if ((retval = target->type->deassert_reset(target))!=ERROR_OK)
 487                         return retval;
 488                 target = target->next;
 489         }
 490
 491         target = all_targets;
 492         while (target)
 493         {
 494                 /* We can fail to bring the target into the halted state, try after reset has been deasserted  */
 495                 if (target->reset_halt)
 496                 {
 497                         /* wait up to 1 second for halt. */
 498                         target_wait_state(target, TARGET_HALTED, 1000);
 499                         if (target->state != TARGET_HALTED)
 500                         {
 501                                 LOG_WARNING("Failed to reset target into halted mode - issuing halt");
 502                                 if ((retval = target->type->halt(target))!=ERROR_OK)
 503                                         return retval;
 504                         }
 505                 }
 506
 507                 target = target->next;
 508         }
 509
 510
 511         LOG_DEBUG("Waiting for halted stated as appropriate");
 512
 513         if ((reset_mode == RESET_HALT) || (reset_mode == RESET_INIT))
 514         {
 515                 target = all_targets;
 516                 while (target)
 517                 {
 518                         /* Wait for reset to complete, maximum 5 seconds. */
 519                         if (((retval=target_wait_state(target, TARGET_HALTED, 5000)))==ERROR_OK)
 520                         {
 521                                 if (reset_mode == RESET_INIT){
 522                                         target_handle_event( target, TARGET_EVENT_OLD_post_reset );
 523                                 }
 524
 525                         }
 526                         target = target->next;
 527                 }
 528         }
 529
 530         /* We want any events to be processed before the prompt */
 531         target_call_timer_callbacks_now();
 532
 533         return retval;
 534 }
 535
 536 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
 537 {
 538         if( USE_OLD_RESET ){
 539                 return OLD_target_process_reset( cmd_ctx, reset_mode );
 540         } else {
 541                 return NEW_target_process_reset( cmd_ctx, reset_mode );
 542         }
 543 }
 544
 545
 546 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
 547 {
 548         *physical = virtual;
 549         return ERROR_OK;
 550 }
 551
 552 static int default_mmu(struct target_s *target, int *enabled)
 553 {
 554         *enabled = 0;
 555         return ERROR_OK;
 556 }
 557
 558 static int default_examine(struct target_s *target)
 559 {
 560         target->type->examined = 1;
 561         return ERROR_OK;
 562 }
 563
 564
 565 /* Targets that correctly implement init+examine, i.e.
 566  * no communication with target during init:
 567  *
 568  * XScale
 569  */
 570 int target_examine(void)
 571 {
 572         int retval = ERROR_OK;
 573         target_t *target = all_targets;
 574         while (target)
 575         {
 576                 if ((retval = target->type->examine(target))!=ERROR_OK)
 577                         return retval;
 578                 target = target->next;
 579         }
 580         return retval;
 581 }
 582
 583 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 584 {
 585         if (!target->type->examined)
 586         {
 587                 LOG_ERROR("Target not examined yet");
 588                 return ERROR_FAIL;
 589         }
 590         return target->type->write_memory_imp(target, address, size, count, buffer);
 591 }
 592
 593 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 594 {
 595         if (!target->type->examined)
 596         {
 597                 LOG_ERROR("Target not examined yet");
 598                 return ERROR_FAIL;
 599         }
 600         return target->type->read_memory_imp(target, address, size, count, buffer);
 601 }
 602
 603 static int target_soft_reset_halt_imp(struct target_s *target)
 604 {
 605         if (!target->type->examined)
 606         {
 607                 LOG_ERROR("Target not examined yet");
 608                 return ERROR_FAIL;
 609         }
 610         return target->type->soft_reset_halt_imp(target);
 611 }
 612
 613 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)
 614 {
 615         if (!target->type->examined)
 616         {
 617                 LOG_ERROR("Target not examined yet");
 618                 return ERROR_FAIL;
 619         }
 620         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);
 621 }
 622
 623 int target_init(struct command_context_s *cmd_ctx)
 624 {
 625         target_t *target = all_targets;
 626
 627         while (target)
 628         {
 629                 target->type->examined = 0;
 630                 if (target->type->examine == NULL)
 631                 {
 632                         target->type->examine = default_examine;
 633                 }
 634
 635                 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
 636                 {
 637                         LOG_ERROR("target '%s' init failed", target->type->name);
 638                         exit(-1);
 639                 }
 640
 641                 /* Set up default functions if none are provided by target */
 642                 if (target->type->virt2phys == NULL)
 643                 {
 644                         target->type->virt2phys = default_virt2phys;
 645                 }
 646                 target->type->virt2phys = default_virt2phys;
 647                 /* a non-invasive way(in terms of patches) to add some code that
 648                  * runs before the type->write/read_memory implementation
 649                  */
 650                 target->type->write_memory_imp = target->type->write_memory;
 651                 target->type->write_memory = target_write_memory_imp;
 652                 target->type->read_memory_imp = target->type->read_memory;
 653                 target->type->read_memory = target_read_memory_imp;
 654                 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
 655                 target->type->soft_reset_halt = target_soft_reset_halt_imp;
 656                 target->type->run_algorithm_imp = target->type->run_algorithm;
 657                 target->type->run_algorithm = target_run_algorithm_imp;
 658
 659
 660                 if (target->type->mmu == NULL)
 661                 {
 662                         target->type->mmu = default_mmu;
 663                 }
 664                 target = target->next;
 665         }
 666
 667         if (all_targets)
 668         {
 669                 target_register_user_commands(cmd_ctx);
 670                 target_register_timer_callback(handle_target, 100, 1, NULL);
 671         }
 672
 673         return ERROR_OK;
 674 }
 675
 676 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 677 {
 678         target_event_callback_t **callbacks_p = &target_event_callbacks;
 679
 680         if (callback == NULL)
 681         {
 682                 return ERROR_INVALID_ARGUMENTS;
 683         }
 684
 685         if (*callbacks_p)
 686         {
 687                 while ((*callbacks_p)->next)
 688                         callbacks_p = &((*callbacks_p)->next);
 689                 callbacks_p = &((*callbacks_p)->next);
 690         }
 691
 692         (*callbacks_p) = malloc(sizeof(target_event_callback_t));
 693         (*callbacks_p)->callback = callback;
 694         (*callbacks_p)->priv = priv;
 695         (*callbacks_p)->next = NULL;
 696
 697         return ERROR_OK;
 698 }
 699
 700 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
 701 {
 702         target_timer_callback_t **callbacks_p = &target_timer_callbacks;
 703         struct timeval now;
 704
 705         if (callback == NULL)
 706         {
 707                 return ERROR_INVALID_ARGUMENTS;
 708         }
 709
 710         if (*callbacks_p)
 711         {
 712                 while ((*callbacks_p)->next)
 713                         callbacks_p = &((*callbacks_p)->next);
 714                 callbacks_p = &((*callbacks_p)->next);
 715         }
 716
 717         (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
 718         (*callbacks_p)->callback = callback;
 719         (*callbacks_p)->periodic = periodic;
 720         (*callbacks_p)->time_ms = time_ms;
 721
 722         gettimeofday(&now, NULL);
 723         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 724         time_ms -= (time_ms % 1000);
 725         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
 726         if ((*callbacks_p)->when.tv_usec > 1000000)
 727         {
 728                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
 729                 (*callbacks_p)->when.tv_sec += 1;
 730         }
 731
 732         (*callbacks_p)->priv = priv;
 733         (*callbacks_p)->next = NULL;
 734
 735         return ERROR_OK;
 736 }
 737
 738 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 739 {
 740         target_event_callback_t **p = &target_event_callbacks;
 741         target_event_callback_t *c = target_event_callbacks;
 742
 743         if (callback == NULL)
 744         {
 745                 return ERROR_INVALID_ARGUMENTS;
 746         }
 747
 748         while (c)
 749         {
 750                 target_event_callback_t *next = c->next;
 751                 if ((c->callback == callback) && (c->priv == priv))
 752                 {
 753                         *p = next;
 754                         free(c);
 755                         return ERROR_OK;
 756                 }
 757                 else
 758                         p = &(c->next);
 759                 c = next;
 760         }
 761
 762         return ERROR_OK;
 763 }
 764
 765 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
 766 {
 767         target_timer_callback_t **p = &target_timer_callbacks;
 768         target_timer_callback_t *c = target_timer_callbacks;
 769
 770         if (callback == NULL)
 771         {
 772                 return ERROR_INVALID_ARGUMENTS;
 773         }
 774
 775         while (c)
 776         {
 777                 target_timer_callback_t *next = c->next;
 778                 if ((c->callback == callback) && (c->priv == priv))
 779                 {
 780                         *p = next;
 781                         free(c);
 782                         return ERROR_OK;
 783                 }
 784                 else
 785                         p = &(c->next);
 786                 c = next;
 787         }
 788
 789         return ERROR_OK;
 790 }
 791
 792 int target_call_event_callbacks(target_t *target, enum target_event event)
 793 {
 794         target_event_callback_t *callback = target_event_callbacks;
 795         target_event_callback_t *next_callback;
 796
 797         LOG_DEBUG("target event %i (%s)",
 798                           event,
 799                           Jim_Nvp_value2name_simple( nvp_target_event, event )->name );
 800
 801         target_handle_event( target, event );
 802
 803         while (callback)
 804         {
 805                 next_callback = callback->next;
 806                 callback->callback(target, event, callback->priv);
 807                 callback = next_callback;
 808         }
 809
 810         return ERROR_OK;
 811 }
 812
 813 static int target_call_timer_callbacks_check_time(int checktime)
 814 {
 815         target_timer_callback_t *callback = target_timer_callbacks;
 816         target_timer_callback_t *next_callback;
 817         struct timeval now;
 818
 819         keep_alive();
 820
 821         gettimeofday(&now, NULL);
 822
 823         while (callback)
 824         {
 825                 next_callback = callback->next;
 826
 827                 if ((!checktime&&callback->periodic)||
 828                                 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
 829                                                 || (now.tv_sec > callback->when.tv_sec)))
 830                 {
 831                         if(callback->callback != NULL)
 832                         {
 833                                 callback->callback(callback->priv);
 834                                 if (callback->periodic)
 835                                 {
 836                                         int time_ms = callback->time_ms;
 837                                         callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 838                                         time_ms -= (time_ms % 1000);
 839                                         callback->when.tv_sec = now.tv_sec + time_ms / 1000;
 840                                         if (callback->when.tv_usec > 1000000)
 841                                         {
 842                                                 callback->when.tv_usec = callback->when.tv_usec - 1000000;
 843                                                 callback->when.tv_sec += 1;
 844                                         }
 845                                 }
 846                                 else
 847                                         target_unregister_timer_callback(callback->callback, callback->priv);
 848                         }
 849                 }
 850
 851                 callback = next_callback;
 852         }
 853
 854         return ERROR_OK;
 855 }
 856
 857 int target_call_timer_callbacks(void)
 858 {
 859         return target_call_timer_callbacks_check_time(1);
 860 }
 861
 862 /* invoke periodic callbacks immediately */
 863 int target_call_timer_callbacks_now(void)
 864 {
 865         return target_call_timer_callbacks_check_time(0);
 866 }
 867
 868 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
 869 {
 870         working_area_t *c = target->working_areas;
 871         working_area_t *new_wa = NULL;
 872
 873         /* Reevaluate working area address based on MMU state*/
 874         if (target->working_areas == NULL)
 875         {
 876                 int retval;
 877                 int enabled;
 878                 retval = target->type->mmu(target, &enabled);
 879                 if (retval != ERROR_OK)
 880                 {
 881                         return retval;
 882                 }
 883                 if (enabled)
 884                 {
 885                         target->working_area = target->working_area_virt;
 886                 }
 887                 else
 888                 {
 889                         target->working_area = target->working_area_phys;
 890                 }
 891         }
 892
 893         /* only allocate multiples of 4 byte */
 894         if (size % 4)
 895         {
 896                 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
 897                 size = CEIL(size, 4);
 898         }
 899
 900         /* see if there's already a matching working area */
 901         while (c)
 902         {
 903                 if ((c->free) && (c->size == size))
 904                 {
 905                         new_wa = c;
 906                         break;
 907                 }
 908                 c = c->next;
 909         }
 910
 911         /* if not, allocate a new one */
 912         if (!new_wa)
 913         {
 914                 working_area_t **p = &target->working_areas;
 915                 u32 first_free = target->working_area;
 916                 u32 free_size = target->working_area_size;
 917
 918                 LOG_DEBUG("allocating new working area");
 919
 920                 c = target->working_areas;
 921                 while (c)
 922                 {
 923                         first_free += c->size;
 924                         free_size -= c->size;
 925                         p = &c->next;
 926                         c = c->next;
 927                 }
 928
 929                 if (free_size < size)
 930                 {
 931                         LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
 932                         return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
 933                 }
 934
 935                 new_wa = malloc(sizeof(working_area_t));
 936                 new_wa->next = NULL;
 937                 new_wa->size = size;
 938                 new_wa->address = first_free;
 939
 940                 if (target->backup_working_area)
 941                 {
 942                         new_wa->backup = malloc(new_wa->size);
 943                         target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
 944                 }
 945                 else
 946                 {
 947                         new_wa->backup = NULL;
 948                 }
 949
 950                 /* put new entry in list */
 951                 *p = new_wa;
 952         }
 953
 954         /* mark as used, and return the new (reused) area */
 955         new_wa->free = 0;
 956         *area = new_wa;
 957
 958         /* user pointer */
 959         new_wa->user = area;
 960
 961         return ERROR_OK;
 962 }
 963
 964 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
 965 {
 966         if (area->free)
 967                 return ERROR_OK;
 968
 969         if (restore&&target->backup_working_area)
 970                 target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
 971
 972         area->free = 1;
 973
 974         /* mark user pointer invalid */
 975         *area->user = NULL;
 976         area->user = NULL;
 977
 978         return ERROR_OK;
 979 }
 980
 981 int target_free_working_area(struct target_s *target, working_area_t *area)
 982 {
 983         return target_free_working_area_restore(target, area, 1);
 984 }
 985
 986 int target_free_all_working_areas_restore(struct target_s *target, int restore)
 987 {
 988         working_area_t *c = target->working_areas;
 989
 990         while (c)
 991         {
 992                 working_area_t *next = c->next;
 993                 target_free_working_area_restore(target, c, restore);
 994
 995                 if (c->backup)
 996                         free(c->backup);
 997
 998                 free(c);
 999
1000                 c = next;
1001         }
1002
1003         target->working_areas = NULL;
1004
1005         return ERROR_OK;
1006 }
1007
1008 int target_free_all_working_areas(struct target_s *target)
1009 {
1010         return target_free_all_working_areas_restore(target, 1);
1011 }
1012
1013 int target_register_commands(struct command_context_s *cmd_ctx)
1014 {
1015
1016         register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
1017         register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, "working_area <target#> <address> <size> <'backup'|'nobackup'> [virtual address]");
1018         register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "virt2phys <virtual address>");
1019         register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "PRELIMINARY! - profile <seconds> <gmon.out>");
1020
1021         register_jim(cmd_ctx, "target", jim_target, "configure target" );
1022
1023
1024         /* script procedures */
1025         register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array, "read memory and return as a TCL array for script processing");
1026         register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem, "convert a TCL array to memory locations and write the values");
1027         return ERROR_OK;
1028 }
1029
1030 int target_arch_state(struct target_s *target)
1031 {
1032         int retval;
1033         if (target==NULL)
1034         {
1035                 LOG_USER("No target has been configured");
1036                 return ERROR_OK;
1037         }
1038
1039         LOG_USER("target state: %s",
1040                  Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name);
1041
1042         if (target->state!=TARGET_HALTED)
1043                 return ERROR_OK;
1044
1045         retval=target->type->arch_state(target);
1046         return retval;
1047 }
1048
1049 /* Single aligned words are guaranteed to use 16 or 32 bit access
1050  * mode respectively, otherwise data is handled as quickly as
1051  * possible
1052  */
1053 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1054 {
1055         int retval;
1056         LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
1057
1058         if (!target->type->examined)
1059         {
1060                 LOG_ERROR("Target not examined yet");
1061                 return ERROR_FAIL;
1062         }
1063
1064         if ((address + size - 1) < address)
1065         {
1066                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1067                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1068                 return ERROR_FAIL;
1069         }
1070
1071         if (((address % 2) == 0) && (size == 2))
1072         {
1073                 return target->type->write_memory(target, address, 2, 1, buffer);
1074         }
1075
1076         /* handle unaligned head bytes */
1077         if (address % 4)
1078         {
1079                 int unaligned = 4 - (address % 4);
1080
1081                 if (unaligned > size)
1082                         unaligned = size;
1083
1084                 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1085                         return retval;
1086
1087                 buffer += unaligned;
1088                 address += unaligned;
1089                 size -= unaligned;
1090         }
1091
1092         /* handle aligned words */
1093         if (size >= 4)
1094         {
1095                 int aligned = size - (size % 4);
1096
1097                 /* use bulk writes above a certain limit. This may have to be changed */
1098                 if (aligned > 128)
1099                 {
1100                         if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1101                                 return retval;
1102                 }
1103                 else
1104                 {
1105                         if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1106                                 return retval;
1107                 }
1108
1109                 buffer += aligned;
1110                 address += aligned;
1111                 size -= aligned;
1112         }
1113
1114         /* handle tail writes of less than 4 bytes */
1115         if (size > 0)
1116         {
1117                 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1118                         return retval;
1119         }
1120
1121         return ERROR_OK;
1122 }
1123
1124
1125 /* Single aligned words are guaranteed to use 16 or 32 bit access
1126  * mode respectively, otherwise data is handled as quickly as
1127  * possible
1128  */
1129 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1130 {
1131         int retval;
1132         LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1133
1134         if (!target->type->examined)
1135         {
1136                 LOG_ERROR("Target not examined yet");
1137                 return ERROR_FAIL;
1138         }
1139
1140         if ((address + size - 1) < address)
1141         {
1142                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1143                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1144                 return ERROR_FAIL;
1145         }
1146
1147         if (((address % 2) == 0) && (size == 2))
1148         {
1149                 return target->type->read_memory(target, address, 2, 1, buffer);
1150         }
1151
1152         /* handle unaligned head bytes */
1153         if (address % 4)
1154         {
1155                 int unaligned = 4 - (address % 4);
1156
1157                 if (unaligned > size)
1158                         unaligned = size;
1159
1160                 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1161                         return retval;
1162
1163                 buffer += unaligned;
1164                 address += unaligned;
1165                 size -= unaligned;
1166         }
1167
1168         /* handle aligned words */
1169         if (size >= 4)
1170         {
1171                 int aligned = size - (size % 4);
1172
1173                 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1174                         return retval;
1175
1176                 buffer += aligned;
1177                 address += aligned;
1178                 size -= aligned;
1179         }
1180
1181         /* handle tail writes of less than 4 bytes */
1182         if (size > 0)
1183         {
1184                 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1185                         return retval;
1186         }
1187
1188         return ERROR_OK;
1189 }
1190
1191 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1192 {
1193         u8 *buffer;
1194         int retval;
1195         int i;
1196         u32 checksum = 0;
1197         if (!target->type->examined)
1198         {
1199                 LOG_ERROR("Target not examined yet");
1200                 return ERROR_FAIL;
1201         }
1202
1203         if ((retval = target->type->checksum_memory(target, address,
1204                 size, &checksum)) == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
1205         {
1206                 buffer = malloc(size);
1207                 if (buffer == NULL)
1208                 {
1209                         LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1210                         return ERROR_INVALID_ARGUMENTS;
1211                 }
1212                 retval = target_read_buffer(target, address, size, buffer);
1213                 if (retval != ERROR_OK)
1214                 {
1215                         free(buffer);
1216                         return retval;
1217                 }
1218
1219                 /* convert to target endianess */
1220                 for (i = 0; i < (size/sizeof(u32)); i++)
1221                 {
1222                         u32 target_data;
1223                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1224                         target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1225                 }
1226
1227                 retval = image_calculate_checksum( buffer, size, &checksum );
1228                 free(buffer);
1229         }
1230
1231         *crc = checksum;
1232
1233         return retval;
1234 }
1235
1236 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1237 {
1238         int retval;
1239         if (!target->type->examined)
1240         {
1241                 LOG_ERROR("Target not examined yet");
1242                 return ERROR_FAIL;
1243         }
1244
1245         if (target->type->blank_check_memory == 0)
1246                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1247
1248         retval = target->type->blank_check_memory(target, address, size, blank);
1249
1250         return retval;
1251 }
1252
1253 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1254 {
1255         u8 value_buf[4];
1256         if (!target->type->examined)
1257         {
1258                 LOG_ERROR("Target not examined yet");
1259                 return ERROR_FAIL;
1260         }
1261
1262         int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1263
1264         if (retval == ERROR_OK)
1265         {
1266                 *value = target_buffer_get_u32(target, value_buf);
1267                 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1268         }
1269         else
1270         {
1271                 *value = 0x0;
1272                 LOG_DEBUG("address: 0x%8.8x failed", address);
1273         }
1274
1275         return retval;
1276 }
1277
1278 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1279 {
1280         u8 value_buf[2];
1281         if (!target->type->examined)
1282         {
1283                 LOG_ERROR("Target not examined yet");
1284                 return ERROR_FAIL;
1285         }
1286
1287         int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1288
1289         if (retval == ERROR_OK)
1290         {
1291                 *value = target_buffer_get_u16(target, value_buf);
1292                 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1293         }
1294         else
1295         {
1296                 *value = 0x0;
1297                 LOG_DEBUG("address: 0x%8.8x failed", address);
1298         }
1299
1300         return retval;
1301 }
1302
1303 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1304 {
1305         int retval = target->type->read_memory(target, address, 1, 1, value);
1306         if (!target->type->examined)
1307         {
1308                 LOG_ERROR("Target not examined yet");
1309                 return ERROR_FAIL;
1310         }
1311
1312         if (retval == ERROR_OK)
1313         {
1314                 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1315         }
1316         else
1317         {
1318                 *value = 0x0;
1319                 LOG_DEBUG("address: 0x%8.8x failed", address);
1320         }
1321
1322         return retval;
1323 }
1324
1325 int target_write_u32(struct target_s *target, u32 address, u32 value)
1326 {
1327         int retval;
1328         u8 value_buf[4];
1329         if (!target->type->examined)
1330         {
1331                 LOG_ERROR("Target not examined yet");
1332                 return ERROR_FAIL;
1333         }
1334
1335         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1336
1337         target_buffer_set_u32(target, value_buf, value);
1338         if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1339         {
1340                 LOG_DEBUG("failed: %i", retval);
1341         }
1342
1343         return retval;
1344 }
1345
1346 int target_write_u16(struct target_s *target, u32 address, u16 value)
1347 {
1348         int retval;
1349         u8 value_buf[2];
1350         if (!target->type->examined)
1351         {
1352                 LOG_ERROR("Target not examined yet");
1353                 return ERROR_FAIL;
1354         }
1355
1356         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1357
1358         target_buffer_set_u16(target, value_buf, value);
1359         if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1360         {
1361                 LOG_DEBUG("failed: %i", retval);
1362         }
1363
1364         return retval;
1365 }
1366
1367 int target_write_u8(struct target_s *target, u32 address, u8 value)
1368 {
1369         int retval;
1370         if (!target->type->examined)
1371         {
1372                 LOG_ERROR("Target not examined yet");
1373                 return ERROR_FAIL;
1374         }
1375
1376         LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1377
1378         if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
1379         {
1380                 LOG_DEBUG("failed: %i", retval);
1381         }
1382
1383         return retval;
1384 }
1385
1386 int target_register_user_commands(struct command_context_s *cmd_ctx)
1387 {
1388         register_command(cmd_ctx,  NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
1389         register_command(cmd_ctx,  NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1390         register_command(cmd_ctx,  NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1391         register_command(cmd_ctx,  NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1392         register_command(cmd_ctx,  NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1393         register_command(cmd_ctx,  NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1394         register_command(cmd_ctx,  NULL, "NEWreset", handle_NEWreset_command, COMMAND_EXEC, "reset target [run|halt|init] - default is run");
1395         register_command(cmd_ctx,  NULL, "reset", handle_reset_command, COMMAND_EXEC, "OLDreset target [run|halt|init] - default is run");
1396         register_command(cmd_ctx,  NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1397
1398         register_command(cmd_ctx,  NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1399         register_command(cmd_ctx,  NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1400         register_command(cmd_ctx,  NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1401
1402         register_command(cmd_ctx,  NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1403         register_command(cmd_ctx,  NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1404         register_command(cmd_ctx,  NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1405
1406         register_command(cmd_ctx,  NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1407         register_command(cmd_ctx,  NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1408         register_command(cmd_ctx,  NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1409         register_command(cmd_ctx,  NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1410
1411         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]");
1412         register_command(cmd_ctx,  NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1413         register_command(cmd_ctx,  NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1414
1415         target_request_register_commands(cmd_ctx);
1416         trace_register_commands(cmd_ctx);
1417
1418         return ERROR_OK;
1419 }
1420
1421 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1422 {
1423         char *cp;
1424         target_t *target = all_targets;
1425
1426         if (argc == 1)
1427         {
1428                 /* try as tcltarget name */
1429                 for( target = all_targets ; target ; target++ ){
1430                   if( target->cmd_name ){
1431                         if( 0 == strcmp( args[0], target->cmd_name ) ){
1432                                 /* MATCH */
1433                                 goto Match;
1434                         }
1435                   }
1436                 }
1437                 /* no match, try as number */
1438
1439                 int num = strtoul(args[0], &cp, 0 );
1440                 if( *cp != 0 ){
1441                         /* then it was not a number */
1442                         command_print( cmd_ctx, "Target: %s unknown, try one of:\n", args[0] );
1443                         goto DumpTargets;
1444                 }
1445
1446                 target = get_target_by_num( num );
1447                 if( target == NULL ){
1448                         command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0] );
1449                         goto DumpTargets;
1450                 }
1451         Match:
1452                 cmd_ctx->current_target = target->target_number;
1453                 return ERROR_OK;
1454         }
1455  DumpTargets:
1456
1457         command_print(cmd_ctx, "    CmdName    Type       Endian     ChainPos State     ");
1458         command_print(cmd_ctx, "--  ---------- ---------- ---------- -------- ----------");
1459         while (target)
1460         {
1461                 /* XX: abcdefghij abcdefghij abcdefghij abcdefghij */
1462                 command_print(cmd_ctx, "%2d: %-10s %-10s %-10s %8d %s",
1463                                           target->target_number,
1464                                           target->cmd_name,
1465                                           target->type->name,
1466                                           Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness )->name,
1467                                           target->chain_position,
1468                                           Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
1469                 target = target->next;
1470         }
1471
1472         return ERROR_OK;
1473 }
1474
1475
1476
1477 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1478 {
1479         target_t *target = NULL;
1480
1481         if ((argc < 4) || (argc > 5))
1482         {
1483                 return ERROR_COMMAND_SYNTAX_ERROR;
1484         }
1485
1486         target = get_target_by_num(strtoul(args[0], NULL, 0));
1487         if (!target)
1488         {
1489                 return ERROR_COMMAND_SYNTAX_ERROR;
1490         }
1491         target_free_all_working_areas(target);
1492
1493         target->working_area_phys = target->working_area_virt = strtoul(args[1], NULL, 0);
1494         if (argc == 5)
1495         {
1496                 target->working_area_virt = strtoul(args[4], NULL, 0);
1497         }
1498         target->working_area_size = strtoul(args[2], NULL, 0);
1499
1500         if (strcmp(args[3], "backup") == 0)
1501         {
1502                 target->backup_working_area = 1;
1503         }
1504         else if (strcmp(args[3], "nobackup") == 0)
1505         {
1506                 target->backup_working_area = 0;
1507         }
1508         else
1509         {
1510                 LOG_ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1511                 return ERROR_COMMAND_SYNTAX_ERROR;
1512         }
1513
1514         return ERROR_OK;
1515 }
1516
1517
1518 /* process target state changes */
1519 int handle_target(void *priv)
1520 {
1521         target_t *target = all_targets;
1522
1523         while (target)
1524         {
1525                 if (target_continous_poll)
1526                 {
1527                         /* polling may fail silently until the target has been examined */
1528                         target_poll(target);
1529                 }
1530
1531                 target = target->next;
1532         }
1533
1534         return ERROR_OK;
1535 }
1536
1537 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1538 {
1539         target_t *target;
1540         reg_t *reg = NULL;
1541         int count = 0;
1542         char *value;
1543
1544         LOG_DEBUG("-");
1545
1546         target = get_current_target(cmd_ctx);
1547
1548         /* list all available registers for the current target */
1549         if (argc == 0)
1550         {
1551                 reg_cache_t *cache = target->reg_cache;
1552
1553                 count = 0;
1554                 while(cache)
1555                 {
1556                         int i;
1557                         for (i = 0; i < cache->num_regs; i++)
1558                         {
1559                                 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1560                                 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);
1561                                 free(value);
1562                         }
1563                         cache = cache->next;
1564                 }
1565
1566                 return ERROR_OK;
1567         }
1568
1569         /* access a single register by its ordinal number */
1570         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1571         {
1572                 int num = strtoul(args[0], NULL, 0);
1573                 reg_cache_t *cache = target->reg_cache;
1574
1575                 count = 0;
1576                 while(cache)
1577                 {
1578                         int i;
1579                         for (i = 0; i < cache->num_regs; i++)
1580                         {
1581                                 if (count++ == num)
1582                                 {
1583                                         reg = &cache->reg_list[i];
1584                                         break;
1585                                 }
1586                         }
1587                         if (reg)
1588                                 break;
1589                         cache = cache->next;
1590                 }
1591
1592                 if (!reg)
1593                 {
1594                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1595                         return ERROR_OK;
1596                 }
1597         } else /* access a single register by its name */
1598         {
1599                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1600
1601                 if (!reg)
1602                 {
1603                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1604                         return ERROR_OK;
1605                 }
1606         }
1607
1608         /* display a register */
1609         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1610         {
1611                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1612                         reg->valid = 0;
1613
1614                 if (reg->valid == 0)
1615                 {
1616                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1617                         if (arch_type == NULL)
1618                         {
1619                                 LOG_ERROR("BUG: encountered unregistered arch type");
1620                                 return ERROR_OK;
1621                         }
1622                         arch_type->get(reg);
1623                 }
1624                 value = buf_to_str(reg->value, reg->size, 16);
1625                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1626                 free(value);
1627                 return ERROR_OK;
1628         }
1629
1630         /* set register value */
1631         if (argc == 2)
1632         {
1633                 u8 *buf = malloc(CEIL(reg->size, 8));
1634                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1635
1636                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1637                 if (arch_type == NULL)
1638                 {
1639                         LOG_ERROR("BUG: encountered unregistered arch type");
1640                         return ERROR_OK;
1641                 }
1642
1643                 arch_type->set(reg, buf);
1644
1645                 value = buf_to_str(reg->value, reg->size, 16);
1646                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1647                 free(value);
1648
1649                 free(buf);
1650
1651                 return ERROR_OK;
1652         }
1653
1654         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1655
1656         return ERROR_OK;
1657 }
1658
1659
1660 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1661 {
1662         target_t *target = get_current_target(cmd_ctx);
1663
1664         if (argc == 0)
1665         {
1666                 target_poll(target);
1667                 target_arch_state(target);
1668         }
1669         else
1670         {
1671                 if (strcmp(args[0], "on") == 0)
1672                 {
1673                         target_continous_poll = 1;
1674                 }
1675                 else if (strcmp(args[0], "off") == 0)
1676                 {
1677                         target_continous_poll = 0;
1678                 }
1679                 else
1680                 {
1681                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1682                 }
1683         }
1684
1685
1686         return ERROR_OK;
1687 }
1688
1689 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1690 {
1691         int ms = 5000;
1692
1693         if (argc > 0)
1694         {
1695                 char *end;
1696
1697                 ms = strtoul(args[0], &end, 0) * 1000;
1698                 if (*end)
1699                 {
1700                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1701                         return ERROR_OK;
1702                 }
1703         }
1704         target_t *target = get_current_target(cmd_ctx);
1705
1706         return target_wait_state(target, TARGET_HALTED, ms);
1707 }
1708
1709 int target_wait_state(target_t *target, enum target_state state, int ms)
1710 {
1711         int retval;
1712         struct timeval timeout, now;
1713         int once=1;
1714         gettimeofday(&timeout, NULL);
1715         timeval_add_time(&timeout, 0, ms * 1000);
1716
1717         for (;;)
1718         {
1719                 if ((retval=target_poll(target))!=ERROR_OK)
1720                         return retval;
1721                 keep_alive();
1722                 if (target->state == state)
1723                 {
1724                         break;
1725                 }
1726                 if (once)
1727                 {
1728                         once=0;
1729                         LOG_DEBUG("waiting for target %s...",
1730                               Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1731                 }
1732
1733                 gettimeofday(&now, NULL);
1734                 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1735                 {
1736                         LOG_ERROR("timed out while waiting for target %s",
1737                               Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1738                         return ERROR_FAIL;
1739                 }
1740         }
1741
1742         return ERROR_OK;
1743 }
1744
1745 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1746 {
1747         int retval;
1748         target_t *target = get_current_target(cmd_ctx);
1749
1750         LOG_DEBUG("-");
1751
1752         if ((retval = target_halt(target)) != ERROR_OK)
1753         {
1754                 return retval;
1755         }
1756
1757         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1758 }
1759
1760 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1761 {
1762         target_t *target = get_current_target(cmd_ctx);
1763
1764         LOG_USER("requesting target halt and executing a soft reset");
1765
1766         target->type->soft_reset_halt(target);
1767
1768         return ERROR_OK;
1769 }
1770
1771 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1772 {
1773         const Jim_Nvp *n;
1774         enum target_reset_mode reset_mode = RESET_RUN;
1775
1776         if (argc >= 1)
1777         {
1778                 n = Jim_Nvp_name2value_simple( nvp_reset_modes, args[0] );
1779                 if( (n->name == NULL) || (n->value == RESET_UNKNOWN) ){
1780                         return ERROR_COMMAND_SYNTAX_ERROR;
1781                 }
1782                 reset_mode = n->value;
1783         }
1784
1785         /* reset *all* targets */
1786         return target_process_reset(cmd_ctx, reset_mode);
1787 }
1788
1789 int handle_NEWreset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1790 {
1791         int x;
1792         char *cp;
1793
1794         if (argc >= 1){
1795                 x = strtol( args[0], &cp, 0 );
1796                 if( *cp != 0 ){
1797                         command_print( cmd_ctx, "Not numeric: %s\n", args[0] );
1798                         return ERROR_COMMAND_SYNTAX_ERROR;
1799                 }
1800                 USE_OLD_RESET = !!x;
1801         }
1802         command_print( cmd_ctx, "reset method: %d (%s)\n",
1803                                    USE_OLD_RESET,
1804                                    USE_OLD_RESET ? "old-method" : "new-method" );
1805         return ERROR_OK;
1806 }
1807
1808 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1809 {
1810         int retval;
1811         target_t *target = get_current_target(cmd_ctx);
1812
1813         target_handle_event( target, TARGET_EVENT_OLD_pre_resume );
1814
1815         if (argc == 0)
1816                 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1817         else if (argc == 1)
1818                 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1819         else
1820         {
1821                 retval = ERROR_COMMAND_SYNTAX_ERROR;
1822         }
1823
1824         return retval;
1825 }
1826
1827 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1828 {
1829         target_t *target = get_current_target(cmd_ctx);
1830
1831         LOG_DEBUG("-");
1832
1833         if (argc == 0)
1834                 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1835
1836         if (argc == 1)
1837                 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1838
1839         return ERROR_OK;
1840 }
1841
1842 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1843 {
1844         const int line_bytecnt = 32;
1845         int count = 1;
1846         int size = 4;
1847         u32 address = 0;
1848         int line_modulo;
1849         int i;
1850
1851         char output[128];
1852         int output_len;
1853
1854         int retval;
1855
1856         u8 *buffer;
1857         target_t *target = get_current_target(cmd_ctx);
1858
1859         if (argc < 1)
1860                 return ERROR_OK;
1861
1862         if (argc == 2)
1863                 count = strtoul(args[1], NULL, 0);
1864
1865         address = strtoul(args[0], NULL, 0);
1866
1867
1868         switch (cmd[2])
1869         {
1870                 case 'w':
1871                         size = 4; line_modulo = line_bytecnt / 4;
1872                         break;
1873                 case 'h':
1874                         size = 2; line_modulo = line_bytecnt / 2;
1875                         break;
1876                 case 'b':
1877                         size = 1; line_modulo = line_bytecnt / 1;
1878                         break;
1879                 default:
1880                         return ERROR_OK;
1881         }
1882
1883         buffer = calloc(count, size);
1884         retval  = target->type->read_memory(target, address, size, count, buffer);
1885         if (retval == ERROR_OK)
1886         {
1887                 output_len = 0;
1888
1889                 for (i = 0; i < count; i++)
1890                 {
1891                         if (i%line_modulo == 0)
1892                                 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1893
1894                         switch (size)
1895                         {
1896                                 case 4:
1897                                         output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1898                                         break;
1899                                 case 2:
1900                                         output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1901                                         break;
1902                                 case 1:
1903                                         output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1904                                         break;
1905                         }
1906
1907                         if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1908                         {
1909                                 command_print(cmd_ctx, output);
1910                                 output_len = 0;
1911                         }
1912                 }
1913         }
1914
1915         free(buffer);
1916
1917         return retval;
1918 }
1919
1920 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1921 {
1922         u32 address = 0;
1923         u32 value = 0;
1924         int count = 1;
1925         int i;
1926         int wordsize;
1927         target_t *target = get_current_target(cmd_ctx);
1928         u8 value_buf[4];
1929
1930          if ((argc < 2) || (argc > 3))
1931                 return ERROR_COMMAND_SYNTAX_ERROR;
1932
1933         address = strtoul(args[0], NULL, 0);
1934         value = strtoul(args[1], NULL, 0);
1935         if (argc == 3)
1936                 count = strtoul(args[2], NULL, 0);
1937
1938         switch (cmd[2])
1939         {
1940                 case 'w':
1941                         wordsize = 4;
1942                         target_buffer_set_u32(target, value_buf, value);
1943                         break;
1944                 case 'h':
1945                         wordsize = 2;
1946                         target_buffer_set_u16(target, value_buf, value);
1947                         break;
1948                 case 'b':
1949                         wordsize = 1;
1950                         value_buf[0] = value;
1951                         break;
1952                 default:
1953                         return ERROR_COMMAND_SYNTAX_ERROR;
1954         }
1955         for (i=0; i<count; i++)
1956         {
1957                 int retval;
1958                 switch (wordsize)
1959                 {
1960                         case 4:
1961                                 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
1962                                 break;
1963                         case 2:
1964                                 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
1965                                 break;
1966                         case 1:
1967                                 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
1968                         break;
1969                         default:
1970                         return ERROR_OK;
1971                 }
1972                 if (retval!=ERROR_OK)
1973                 {
1974                         return retval;
1975                 }
1976         }
1977
1978         return ERROR_OK;
1979
1980 }
1981
1982 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1983 {
1984         u8 *buffer;
1985         u32 buf_cnt;
1986         u32 image_size;
1987         u32 min_address=0;
1988         u32 max_address=0xffffffff;
1989         int i;
1990         int retval;
1991
1992         image_t image;
1993
1994         duration_t duration;
1995         char *duration_text;
1996
1997         target_t *target = get_current_target(cmd_ctx);
1998
1999         if ((argc < 1)||(argc > 5))
2000         {
2001                 return ERROR_COMMAND_SYNTAX_ERROR;
2002         }
2003
2004         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2005         if (argc >= 2)
2006         {
2007                 image.base_address_set = 1;
2008                 image.base_address = strtoul(args[1], NULL, 0);
2009         }
2010         else
2011         {
2012                 image.base_address_set = 0;
2013         }
2014
2015
2016         image.start_address_set = 0;
2017
2018         if (argc>=4)
2019         {
2020                 min_address=strtoul(args[3], NULL, 0);
2021         }
2022         if (argc>=5)
2023         {
2024                 max_address=strtoul(args[4], NULL, 0)+min_address;
2025         }
2026
2027         if (min_address>max_address)
2028         {
2029                 return ERROR_COMMAND_SYNTAX_ERROR;
2030         }
2031
2032
2033         duration_start_measure(&duration);
2034
2035         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2036         {
2037                 return ERROR_OK;
2038         }
2039
2040         image_size = 0x0;
2041         retval = ERROR_OK;
2042         for (i = 0; i < image.num_sections; i++)
2043         {
2044                 buffer = malloc(image.sections[i].size);
2045                 if (buffer == NULL)
2046                 {
2047                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2048                         break;
2049                 }
2050
2051                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2052                 {
2053                         free(buffer);
2054                         break;
2055                 }
2056
2057                 u32 offset=0;
2058                 u32 length=buf_cnt;
2059
2060
2061                 /* DANGER!!! beware of unsigned comparision here!!! */
2062
2063                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
2064                                 (image.sections[i].base_address<max_address))
2065                 {
2066                         if (image.sections[i].base_address<min_address)
2067                         {
2068                                 /* clip addresses below */
2069                                 offset+=min_address-image.sections[i].base_address;
2070                                 length-=offset;
2071                         }
2072
2073                         if (image.sections[i].base_address+buf_cnt>max_address)
2074                         {
2075                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
2076                         }
2077
2078                         if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
2079                         {
2080                                 free(buffer);
2081                                 break;
2082                         }
2083                         image_size += length;
2084                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
2085                 }
2086
2087                 free(buffer);
2088         }
2089
2090         duration_stop_measure(&duration, &duration_text);
2091         if (retval==ERROR_OK)
2092         {
2093                 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2094         }
2095         free(duration_text);
2096
2097         image_close(&image);
2098
2099         return retval;
2100
2101 }
2102
2103 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2104 {
2105         fileio_t fileio;
2106
2107         u32 address;
2108         u32 size;
2109         u8 buffer[560];
2110         int retval=ERROR_OK;
2111
2112         duration_t duration;
2113         char *duration_text;
2114
2115         target_t *target = get_current_target(cmd_ctx);
2116
2117         if (argc != 3)
2118         {
2119                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2120                 return ERROR_OK;
2121         }
2122
2123         address = strtoul(args[1], NULL, 0);
2124         size = strtoul(args[2], NULL, 0);
2125
2126         if ((address & 3) || (size & 3))
2127         {
2128                 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2129                 return ERROR_OK;
2130         }
2131
2132         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2133         {
2134                 return ERROR_OK;
2135         }
2136
2137         duration_start_measure(&duration);
2138
2139         while (size > 0)
2140         {
2141                 u32 size_written;
2142                 u32 this_run_size = (size > 560) ? 560 : size;
2143
2144                 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2145                 if (retval != ERROR_OK)
2146                 {
2147                         break;
2148                 }
2149
2150                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2151                 if (retval != ERROR_OK)
2152                 {
2153                         break;
2154                 }
2155
2156                 size -= this_run_size;
2157                 address += this_run_size;
2158         }
2159
2160         fileio_close(&fileio);
2161
2162         duration_stop_measure(&duration, &duration_text);
2163         if (retval==ERROR_OK)
2164         {
2165                 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2166         }
2167         free(duration_text);
2168
2169         return ERROR_OK;
2170 }
2171
2172 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2173 {
2174         u8 *buffer;
2175         u32 buf_cnt;
2176         u32 image_size;
2177         int i;
2178         int retval;
2179         u32 checksum = 0;
2180         u32 mem_checksum = 0;
2181
2182         image_t image;
2183
2184         duration_t duration;
2185         char *duration_text;
2186
2187         target_t *target = get_current_target(cmd_ctx);
2188
2189         if (argc < 1)
2190         {
2191                 return ERROR_COMMAND_SYNTAX_ERROR;
2192         }
2193
2194         if (!target)
2195         {
2196                 LOG_ERROR("no target selected");
2197                 return ERROR_FAIL;
2198         }
2199
2200         duration_start_measure(&duration);
2201
2202         if (argc >= 2)
2203         {
2204                 image.base_address_set = 1;
2205                 image.base_address = strtoul(args[1], NULL, 0);
2206         }
2207         else
2208         {
2209                 image.base_address_set = 0;
2210                 image.base_address = 0x0;
2211         }
2212
2213         image.start_address_set = 0;
2214
2215         if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2216         {
2217                 return retval;
2218         }
2219
2220         image_size = 0x0;
2221         retval=ERROR_OK;
2222         for (i = 0; i < image.num_sections; i++)
2223         {
2224                 buffer = malloc(image.sections[i].size);
2225                 if (buffer == NULL)
2226                 {
2227                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2228                         break;
2229                 }
2230                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2231                 {
2232                         free(buffer);
2233                         break;
2234                 }
2235
2236                 /* calculate checksum of image */
2237                 image_calculate_checksum( buffer, buf_cnt, &checksum );
2238
2239                 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2240                 if( retval != ERROR_OK )
2241                 {
2242                         free(buffer);
2243                         break;
2244                 }
2245
2246                 if( checksum != mem_checksum )
2247                 {
2248                         /* failed crc checksum, fall back to a binary compare */
2249                         u8 *data;
2250
2251                         command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2252
2253                         data = (u8*)malloc(buf_cnt);
2254
2255                         /* Can we use 32bit word accesses? */
2256                         int size = 1;
2257                         int count = buf_cnt;
2258                         if ((count % 4) == 0)
2259                         {
2260                                 size *= 4;
2261                                 count /= 4;
2262                         }
2263                         retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2264                         if (retval == ERROR_OK)
2265                         {
2266                                 int t;
2267                                 for (t = 0; t < buf_cnt; t++)
2268                                 {
2269                                         if (data[t] != buffer[t])
2270                                         {
2271                                                 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]);
2272                                                 free(data);
2273                                                 free(buffer);
2274                                                 retval=ERROR_FAIL;
2275                                                 goto done;
2276                                         }
2277                                 }
2278                         }
2279
2280                         free(data);
2281                 }
2282
2283                 free(buffer);
2284                 image_size += buf_cnt;
2285         }
2286 done:
2287         duration_stop_measure(&duration, &duration_text);
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                         target_halt(target);
2614                 } else
2615                 {
2616                         command_print(cmd_ctx, "Target not halted or running");
2617                         retval=ERROR_OK;
2618                         break;
2619                 }
2620                 if (retval!=ERROR_OK)
2621                 {
2622                         break;
2623                 }
2624
2625                 gettimeofday(&now, NULL);
2626                 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2627                 {
2628                         command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2629                         target_poll(target);
2630                         if (target->state == TARGET_HALTED)
2631                         {
2632                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2633                         }
2634                         target_poll(target);
2635                         writeGmon(samples, numSamples, args[1]);
2636                         command_print(cmd_ctx, "Wrote %s", args[1]);
2637                         break;
2638                 }
2639         }
2640         free(samples);
2641
2642         return ERROR_OK;
2643 }
2644
2645 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2646 {
2647         char *namebuf;
2648         Jim_Obj *nameObjPtr, *valObjPtr;
2649         int result;
2650
2651         namebuf = alloc_printf("%s(%d)", varname, idx);
2652         if (!namebuf)
2653                 return JIM_ERR;
2654
2655         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2656         valObjPtr = Jim_NewIntObj(interp, val);
2657         if (!nameObjPtr || !valObjPtr)
2658         {
2659                 free(namebuf);
2660                 return JIM_ERR;
2661         }
2662
2663         Jim_IncrRefCount(nameObjPtr);
2664         Jim_IncrRefCount(valObjPtr);
2665         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2666         Jim_DecrRefCount(interp, nameObjPtr);
2667         Jim_DecrRefCount(interp, valObjPtr);
2668         free(namebuf);
2669         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2670         return result;
2671 }
2672
2673 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2674 {
2675         command_context_t *context;
2676         target_t *target;
2677
2678         context = Jim_GetAssocData(interp, "context");
2679         if (context == NULL)
2680         {
2681                 LOG_ERROR("mem2array: no command context");
2682                 return JIM_ERR;
2683         }
2684         target = get_current_target(context);
2685         if (target == NULL)
2686         {
2687                 LOG_ERROR("mem2array: no current target");
2688                 return JIM_ERR;
2689         }
2690
2691         return  target_mem2array(interp, target, argc,argv);
2692 }
2693
2694 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2695 {
2696         long l;
2697         u32 width;
2698         u32 len;
2699         u32 addr;
2700         u32 count;
2701         u32 v;
2702         const char *varname;
2703         u8 buffer[4096];
2704         int  i, n, e, retval;
2705
2706         /* argv[1] = name of array to receive the data
2707          * argv[2] = desired width
2708          * argv[3] = memory address
2709          * argv[4] = count of times to read
2710          */
2711         if (argc != 5) {
2712                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2713                 return JIM_ERR;
2714         }
2715         varname = Jim_GetString(argv[1], &len);
2716         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2717
2718         e = Jim_GetLong(interp, argv[2], &l);
2719         width = l;
2720         if (e != JIM_OK) {
2721                 return e;
2722         }
2723
2724         e = Jim_GetLong(interp, argv[3], &l);
2725         addr = l;
2726         if (e != JIM_OK) {
2727                 return e;
2728         }
2729         e = Jim_GetLong(interp, argv[4], &l);
2730         len = l;
2731         if (e != JIM_OK) {
2732                 return e;
2733         }
2734         switch (width) {
2735                 case 8:
2736                         width = 1;
2737                         break;
2738                 case 16:
2739                         width = 2;
2740                         break;
2741                 case 32:
2742                         width = 4;
2743                         break;
2744                 default:
2745                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2746                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2747                         return JIM_ERR;
2748         }
2749         if (len == 0) {
2750                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2751                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2752                 return JIM_ERR;
2753         }
2754         if ((addr + (len * width)) < addr) {
2755                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2756                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2757                 return JIM_ERR;
2758         }
2759         /* absurd transfer size? */
2760         if (len > 65536) {
2761                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2762                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2763                 return JIM_ERR;
2764         }
2765
2766         if ((width == 1) ||
2767                 ((width == 2) && ((addr & 1) == 0)) ||
2768                 ((width == 4) && ((addr & 3) == 0))) {
2769                 /* all is well */
2770         } else {
2771                 char buf[100];
2772                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2773                 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2774                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2775                 return JIM_ERR;
2776         }
2777
2778         /* Transfer loop */
2779
2780         /* index counter */
2781         n = 0;
2782         /* assume ok */
2783         e = JIM_OK;
2784         while (len) {
2785                 /* Slurp... in buffer size chunks */
2786
2787                 count = len; /* in objects.. */
2788                 if (count > (sizeof(buffer)/width)) {
2789                         count = (sizeof(buffer)/width);
2790                 }
2791
2792                 retval = target->type->read_memory( target, addr, width, count, buffer );
2793                 if (retval != ERROR_OK) {
2794                         /* BOO !*/
2795                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2796                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2797                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2798                         e = JIM_ERR;
2799                         len = 0;
2800                 } else {
2801                         v = 0; /* shut up gcc */
2802                         for (i = 0 ;i < count ;i++, n++) {
2803                                 switch (width) {
2804                                         case 4:
2805                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
2806                                                 break;
2807                                         case 2:
2808                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
2809                                                 break;
2810                                         case 1:
2811                                                 v = buffer[i] & 0x0ff;
2812                                                 break;
2813                                 }
2814                                 new_int_array_element(interp, varname, n, v);
2815                         }
2816                         len -= count;
2817                 }
2818         }
2819
2820         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2821
2822         return JIM_OK;
2823 }
2824
2825 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
2826 {
2827         char *namebuf;
2828         Jim_Obj *nameObjPtr, *valObjPtr;
2829         int result;
2830         long l;
2831
2832         namebuf = alloc_printf("%s(%d)", varname, idx);
2833         if (!namebuf)
2834                 return JIM_ERR;
2835
2836         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2837         if (!nameObjPtr)
2838         {
2839                 free(namebuf);
2840                 return JIM_ERR;
2841         }
2842
2843         Jim_IncrRefCount(nameObjPtr);
2844         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
2845         Jim_DecrRefCount(interp, nameObjPtr);
2846         free(namebuf);
2847         if (valObjPtr == NULL)
2848                 return JIM_ERR;
2849
2850         result = Jim_GetLong(interp, valObjPtr, &l);
2851         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
2852         *val = l;
2853         return result;
2854 }
2855
2856 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2857 {
2858         command_context_t *context;
2859         target_t *target;
2860
2861         context = Jim_GetAssocData(interp, "context");
2862         if (context == NULL){
2863                 LOG_ERROR("array2mem: no command context");
2864                 return JIM_ERR;
2865         }
2866         target = get_current_target(context);
2867         if (target == NULL){
2868                 LOG_ERROR("array2mem: no current target");
2869                 return JIM_ERR;
2870         }
2871
2872         return target_array2mem( interp,target, argc, argv );
2873 }
2874
2875
2876 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2877 {
2878         long l;
2879         u32 width;
2880         u32 len;
2881         u32 addr;
2882         u32 count;
2883         u32 v;
2884         const char *varname;
2885         u8 buffer[4096];
2886         int  i, n, e, retval;
2887
2888         /* argv[1] = name of array to get the data
2889          * argv[2] = desired width
2890          * argv[3] = memory address
2891          * argv[4] = count to write
2892          */
2893         if (argc != 5) {
2894                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2895                 return JIM_ERR;
2896         }
2897         varname = Jim_GetString(argv[1], &len);
2898         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2899
2900         e = Jim_GetLong(interp, argv[2], &l);
2901         width = l;
2902         if (e != JIM_OK) {
2903                 return e;
2904         }
2905
2906         e = Jim_GetLong(interp, argv[3], &l);
2907         addr = l;
2908         if (e != JIM_OK) {
2909                 return e;
2910         }
2911         e = Jim_GetLong(interp, argv[4], &l);
2912         len = l;
2913         if (e != JIM_OK) {
2914                 return e;
2915         }
2916         switch (width) {
2917                 case 8:
2918                         width = 1;
2919                         break;
2920                 case 16:
2921                         width = 2;
2922                         break;
2923                 case 32:
2924                         width = 4;
2925                         break;
2926                 default:
2927                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2928                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2929                         return JIM_ERR;
2930         }
2931         if (len == 0) {
2932                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2933                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
2934                 return JIM_ERR;
2935         }
2936         if ((addr + (len * width)) < addr) {
2937                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2938                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
2939                 return JIM_ERR;
2940         }
2941         /* absurd transfer size? */
2942         if (len > 65536) {
2943                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2944                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
2945                 return JIM_ERR;
2946         }
2947
2948         if ((width == 1) ||
2949                 ((width == 2) && ((addr & 1) == 0)) ||
2950                 ((width == 4) && ((addr & 3) == 0))) {
2951                 /* all is well */
2952         } else {
2953                 char buf[100];
2954                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2955                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
2956                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2957                 return JIM_ERR;
2958         }
2959
2960
2961         /* Transfer loop */
2962
2963         /* index counter */
2964         n = 0;
2965         /* assume ok */
2966         e = JIM_OK;
2967         while (len) {
2968                 /* Slurp... in buffer size chunks */
2969
2970                 count = len; /* in objects.. */
2971                 if (count > (sizeof(buffer)/width)) {
2972                         count = (sizeof(buffer)/width);
2973                 }
2974
2975                 v = 0; /* shut up gcc */
2976                 for (i = 0 ;i < count ;i++, n++) {
2977                         get_int_array_element(interp, varname, n, &v);
2978                         switch (width) {
2979                         case 4:
2980                                 target_buffer_set_u32(target, &buffer[i*width], v);
2981                                 break;
2982                         case 2:
2983                                 target_buffer_set_u16(target, &buffer[i*width], v);
2984                                 break;
2985                         case 1:
2986                                 buffer[i] = v & 0x0ff;
2987                                 break;
2988                         }
2989                 }
2990                 len -= count;
2991
2992                 retval = target->type->write_memory(target, addr, width, count, buffer);
2993                 if (retval != ERROR_OK) {
2994                         /* BOO !*/
2995                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2996                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2997                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
2998                         e = JIM_ERR;
2999                         len = 0;
3000                 }
3001         }
3002
3003         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3004
3005         return JIM_OK;
3006 }
3007
3008 void
3009 target_all_handle_event( enum target_event e )
3010 {
3011         target_t *target;
3012
3013
3014         LOG_DEBUG( "**all*targets: event: %d, %s",
3015                    e,
3016                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3017
3018         target = all_targets;
3019         while (target){
3020                 target_handle_event( target, e );
3021                 target = target->next;
3022         }
3023 }
3024
3025 void
3026 target_handle_event( target_t *target, enum target_event e )
3027 {
3028         target_event_action_t *teap;
3029         int done;
3030
3031         teap = target->event_action;
3032
3033         done = 0;
3034         while( teap ){
3035                 if( teap->event == e ){
3036                         done = 1;
3037                         LOG_DEBUG( "target: (%d) %s (%s) event: %d (%s) action: %s\n",
3038                                            target->target_number,
3039                                            target->cmd_name,
3040                                            target->type->name,
3041                                            e,
3042                                            Jim_Nvp_value2name_simple( nvp_target_event, e )->name,
3043                                            Jim_GetString( teap->body, NULL ) );
3044                         Jim_EvalObj( interp, teap->body );
3045                 }
3046                 teap = teap->next;
3047         }
3048         if( !done ){
3049                 LOG_DEBUG( "event: %d %s - no action",
3050                                    e,
3051                                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3052         }
3053 }
3054
3055 enum target_cfg_param {
3056         TCFG_TYPE,
3057         TCFG_EVENT,
3058         TCFG_WORK_AREA_VIRT,
3059         TCFG_WORK_AREA_PHYS,
3060         TCFG_WORK_AREA_SIZE,
3061         TCFG_WORK_AREA_BACKUP,
3062         TCFG_ENDIAN,
3063         TCFG_VARIANT,
3064         TCFG_CHAIN_POSITION,
3065 };
3066
3067
3068 static Jim_Nvp nvp_config_opts[] = {
3069         { .name = "-type",             .value = TCFG_TYPE },
3070         { .name = "-event",            .value = TCFG_EVENT },
3071         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3072         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3073         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3074         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3075         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3076         { .name = "-variant",          .value = TCFG_VARIANT },
3077         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3078
3079         { .name = NULL, .value = -1 }
3080 };
3081
3082
3083 static int
3084 target_configure( Jim_GetOptInfo *goi,
3085                                   target_t *target )
3086 {
3087         Jim_Nvp *n;
3088         Jim_Obj *o;
3089         jim_wide w;
3090         char *cp;
3091         int e;
3092
3093
3094         /* parse config or cget options ... */
3095         while( goi->argc > 0 ){
3096                 Jim_SetEmptyResult( goi->interp );
3097                 //Jim_GetOpt_Debug( goi );
3098
3099                 if( target->type->target_jim_configure ){
3100                         /* target defines a configure function */
3101                         /* target gets first dibs on parameters */
3102                         e = (*(target->type->target_jim_configure))( target, goi );
3103                         if( e == JIM_OK ){
3104                                 /* more? */
3105                                 continue;
3106                         }
3107                         if( e == JIM_ERR ){
3108                                 /* An error */
3109                                 return e;
3110                         }
3111                         /* otherwise we 'continue' below */
3112                 }
3113                 e = Jim_GetOpt_Nvp( goi, nvp_config_opts, &n );
3114                 if( e != JIM_OK ){
3115                         Jim_GetOpt_NvpUnknown( goi, nvp_config_opts, 0 );
3116                         return e;
3117                 }
3118                 switch( n->value ){
3119                 case TCFG_TYPE:
3120                         /* not setable */
3121                         if( goi->isconfigure ){
3122                                 Jim_SetResult_sprintf( goi->interp, "not setable: %s", n->name );
3123                                 return JIM_ERR;
3124                         } else {
3125                         no_params:
3126                                 if( goi->argc != 0 ){
3127                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "NO PARAMS");
3128                                         return JIM_ERR;
3129                                 }
3130                         }
3131                         Jim_SetResultString( goi->interp, target->type->name, -1 );
3132                         /* loop for more */
3133                         break;
3134                 case TCFG_EVENT:
3135                         if( goi->argc == 0 ){
3136                                 Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3137                                 return JIM_ERR;
3138                         }
3139
3140                         e = Jim_GetOpt_Nvp( goi, nvp_target_event, &n );
3141                         if( e != JIM_OK ){
3142                                 Jim_GetOpt_NvpUnknown( goi, nvp_target_event, 1 );
3143                                 return e;
3144                         }
3145
3146                         if( goi->isconfigure ){
3147                                 if( goi->argc == 0 ){
3148                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3149                                         return JIM_ERR;
3150                                 }
3151                         } else {
3152                                 if( goi->argc != 0 ){
3153                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3154                                         return JIM_ERR;
3155                                 }
3156                         }
3157
3158
3159                         {
3160                                 target_event_action_t *teap;
3161
3162                                 teap = target->event_action;
3163                                 /* replace existing? */
3164                                 while( teap ){
3165                                         if( teap->event == n->value ){
3166                                                 break;
3167                                         }
3168                                         teap = teap->next;
3169                                 }
3170
3171                                 if( goi->isconfigure ){
3172                                         if( teap == NULL ){
3173                                                 /* create new */
3174                                                 teap = calloc( 1, sizeof(*teap) );
3175                                         }
3176                                         teap->event = n->value;
3177                                         Jim_GetOpt_Obj( goi, &o );
3178                                         if( teap->body ){
3179                                                 Jim_DecrRefCount( interp, teap->body );
3180                                         }
3181                                         teap->body  = Jim_DuplicateObj( goi->interp, o );
3182                                         /*
3183                                          * FIXME:
3184                                          *     Tcl/TK - "tk events" have a nice feature.
3185                                          *     See the "BIND" command.
3186                                          *    We should support that here.
3187                                          *     You can specify %X and %Y in the event code.
3188                                          *     The idea is: %T - target name.
3189                                          *     The idea is: %N - target number
3190                                          *     The idea is: %E - event name.
3191                                          */
3192                                         Jim_IncrRefCount( teap->body );
3193
3194                                         /* add to head of event list */
3195                                         teap->next = target->event_action;
3196                                         target->event_action = teap;
3197                                         Jim_SetEmptyResult(goi->interp);
3198                                 } else {
3199                                         /* get */
3200                                         if( teap == NULL ){
3201                                                 Jim_SetEmptyResult( goi->interp );
3202                                         } else {
3203                                                 Jim_SetResult( goi->interp, Jim_DuplicateObj( goi->interp, teap->body ) );
3204                                         }
3205                                 }
3206                         }
3207                         /* loop for more */
3208                         break;
3209
3210                 case TCFG_WORK_AREA_VIRT:
3211                         if( goi->isconfigure ){
3212                                 target_free_all_working_areas(target);
3213                                 e = Jim_GetOpt_Wide( goi, &w );
3214                                 if( e != JIM_OK ){
3215                                         return e;
3216                                 }
3217                                 target->working_area_virt = w;
3218                         } else {
3219                                 if( goi->argc != 0 ){
3220                                         goto no_params;
3221                                 }
3222                         }
3223                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_virt ) );
3224                         /* loop for more */
3225                         break;
3226
3227                 case TCFG_WORK_AREA_PHYS:
3228                         if( goi->isconfigure ){
3229                                 target_free_all_working_areas(target);
3230                                 e = Jim_GetOpt_Wide( goi, &w );
3231                                 if( e != JIM_OK ){
3232                                         return e;
3233                                 }
3234                                 target->working_area_phys = w;
3235                         } else {
3236                                 if( goi->argc != 0 ){
3237                                         goto no_params;
3238                                 }
3239                         }
3240                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_phys ) );
3241                         /* loop for more */
3242                         break;
3243
3244                 case TCFG_WORK_AREA_SIZE:
3245                         if( goi->isconfigure ){
3246                                 target_free_all_working_areas(target);
3247                                 e = Jim_GetOpt_Wide( goi, &w );
3248                                 if( e != JIM_OK ){
3249                                         return e;
3250                                 }
3251                                 target->working_area_size = w;
3252                         } else {
3253                                 if( goi->argc != 0 ){
3254                                         goto no_params;
3255                                 }
3256                         }
3257                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3258                         /* loop for more */
3259                         break;
3260
3261                 case TCFG_WORK_AREA_BACKUP:
3262                         if( goi->isconfigure ){
3263                                 target_free_all_working_areas(target);
3264                                 e = Jim_GetOpt_Wide( goi, &w );
3265                                 if( e != JIM_OK ){
3266                                         return e;
3267                                 }
3268                                 /* make this exactly 1 or 0 */
3269                                 target->backup_working_area = (!!w);
3270                         } else {
3271                                 if( goi->argc != 0 ){
3272                                         goto no_params;
3273                                 }
3274                         }
3275                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3276                         /* loop for more e*/
3277                         break;
3278
3279                 case TCFG_ENDIAN:
3280                         if( goi->isconfigure ){
3281                                 e = Jim_GetOpt_Nvp( goi, nvp_target_endian, &n );
3282                                 if( e != JIM_OK ){
3283                                         Jim_GetOpt_NvpUnknown( goi, nvp_target_endian, 1 );
3284                                         return e;
3285                                 }
3286                                 target->endianness = n->value;
3287                         } else {
3288                                 if( goi->argc != 0 ){
3289                                         goto no_params;
3290                                 }
3291                         }
3292                         n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3293                         if( n->name == NULL ){
3294                                 target->endianness = TARGET_LITTLE_ENDIAN;
3295                                 n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3296                         }
3297                         Jim_SetResultString( goi->interp, n->name, -1 );
3298                         /* loop for more */
3299                         break;
3300
3301                 case TCFG_VARIANT:
3302                         if( goi->isconfigure ){
3303                                 if( goi->argc < 1 ){
3304                                         Jim_SetResult_sprintf( goi->interp,
3305                                                                                    "%s ?STRING?",
3306                                                                                    n->name );
3307                                         return JIM_ERR;
3308                                 }
3309                                 if( target->variant ){
3310                                         free((void *)(target->variant));
3311                                 }
3312                                 e = Jim_GetOpt_String( goi, &cp, NULL );
3313                                 target->variant = strdup(cp);
3314                         } else {
3315                                 if( goi->argc != 0 ){
3316                                         goto no_params;
3317                                 }
3318                         }
3319                         Jim_SetResultString( goi->interp, target->variant,-1 );
3320                         /* loop for more */
3321                         break;
3322                 case TCFG_CHAIN_POSITION:
3323                         if( goi->isconfigure ){
3324                                 target_free_all_working_areas(target);
3325                                 e = Jim_GetOpt_Wide( goi, &w );
3326                                 if( e != JIM_OK ){
3327                                         return e;
3328                                 }
3329                                 /* make this exactly 1 or 0 */
3330                                 target->chain_position = w;
3331                         } else {
3332                                 if( goi->argc != 0 ){
3333                                         goto no_params;
3334                                 }
3335                         }
3336                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->chain_position ) );
3337                         /* loop for more e*/
3338                         break;
3339                 }
3340         } /* while( goi->argc ) */
3341                 /* done - we return */
3342         return JIM_OK;
3343 }
3344
3345
3346 /** this is the 'tcl' handler for the target specific command */
3347 static int
3348 tcl_target_func( Jim_Interp *interp,
3349                                  int argc,
3350                                  Jim_Obj *const *argv )
3351 {
3352         Jim_GetOptInfo goi;
3353         jim_wide a,b,c;
3354         int x,y,z;
3355         u8  target_buf[32];
3356         Jim_Nvp *n;
3357         target_t *target;
3358         struct command_context_s *cmd_ctx;
3359         int e;
3360
3361
3362         enum {
3363                 TS_CMD_CONFIGURE,
3364                 TS_CMD_CGET,
3365
3366                 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3367                 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3368                 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3369                 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3370                 TS_CMD_EXAMINE,
3371                 TS_CMD_POLL,
3372                 TS_CMD_RESET,
3373                 TS_CMD_HALT,
3374                 TS_CMD_WAITSTATE,
3375                 TS_CMD_EVENTLIST,
3376                 TS_CMD_CURSTATE,
3377                 TS_CMD_INVOKE_EVENT,
3378         };
3379
3380         static const Jim_Nvp target_options[] = {
3381                 { .name = "configure", .value = TS_CMD_CONFIGURE },
3382                 { .name = "cget", .value = TS_CMD_CGET },
3383                 { .name = "mww", .value = TS_CMD_MWW },
3384                 { .name = "mwh", .value = TS_CMD_MWH },
3385                 { .name = "mwb", .value = TS_CMD_MWB },
3386                 { .name = "mdw", .value = TS_CMD_MDW },
3387                 { .name = "mdh", .value = TS_CMD_MDH },
3388                 { .name = "mdb", .value = TS_CMD_MDB },
3389                 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3390                 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3391                 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3392                 { .name = "curstate",  .value = TS_CMD_CURSTATE },
3393
3394                 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3395                 { .name = "arp_poll", .value = TS_CMD_POLL },
3396                 { .name = "arp_reset", .value = TS_CMD_RESET },
3397                 { .name = "arp_halt", .value = TS_CMD_HALT },
3398                 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3399                 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3400
3401                 { .name = NULL, .value = -1 },
3402         };
3403
3404
3405         /* go past the "command" */
3406         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3407
3408         target = Jim_CmdPrivData( goi.interp );
3409         cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3410
3411         /* commands here are in an NVP table */
3412         e = Jim_GetOpt_Nvp( &goi, target_options, &n );
3413         if( e != JIM_OK ){
3414                 Jim_GetOpt_NvpUnknown( &goi, target_options, 0 );
3415                 return e;
3416         }
3417         // Assume blank result
3418         Jim_SetEmptyResult( goi.interp );
3419
3420         switch( n->value ){
3421         case TS_CMD_CONFIGURE:
3422                 if( goi.argc < 2 ){
3423                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3424                         return JIM_ERR;
3425                 }
3426                 goi.isconfigure = 1;
3427                 return target_configure( &goi, target );
3428         case TS_CMD_CGET:
3429                 // some things take params
3430                 if( goi.argc < 1 ){
3431                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "missing: ?-option?");
3432                         return JIM_ERR;
3433                 }
3434                 goi.isconfigure = 0;
3435                 return target_configure( &goi, target );
3436                 break;
3437         case TS_CMD_MWW:
3438         case TS_CMD_MWH:
3439         case TS_CMD_MWB:
3440                 /* argv[0] = cmd
3441                  * argv[1] = address
3442                  * argv[2] = data
3443                  * argv[3] = optional count.
3444                  */
3445
3446                 if( (goi.argc == 3) || (goi.argc == 4) ){
3447                         /* all is well */
3448                 } else {
3449                 mwx_error:
3450                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR DATA [COUNT]", n->name );
3451                         return JIM_ERR;
3452                 }
3453
3454                 e = Jim_GetOpt_Wide( &goi, &a );
3455                 if( e != JIM_OK ){
3456                         goto mwx_error;
3457                 }
3458
3459                 e = Jim_GetOpt_Wide( &goi, &b );
3460                 if( e != JIM_OK ){
3461                         goto mwx_error;
3462                 }
3463                 if( goi.argc ){
3464                         e = Jim_GetOpt_Wide( &goi, &c );
3465                         if( e != JIM_OK ){
3466                                 goto mwx_error;
3467                         }
3468                 } else {
3469                         c = 1;
3470                 }
3471
3472                 switch( n->value ){
3473                 case TS_CMD_MWW:
3474                         target_buffer_set_u32( target, target_buf, b );
3475                         b = 4;
3476                         break;
3477                 case TS_CMD_MWH:
3478                         target_buffer_set_u16( target, target_buf, b );
3479                         b = 2;
3480                         break;
3481                 case TS_CMD_MWB:
3482                         target_buffer_set_u8( target, target_buf, b );
3483                         b = 1;
3484                         break;
3485                 }
3486                 for( x = 0 ; x < c ; x++ ){
3487                         e = target->type->write_memory( target, a, b, 1, target_buf );
3488                         if( e != ERROR_OK ){
3489                                 Jim_SetResult_sprintf( interp, "Error writing @ 0x%08x: %d\n", (int)(a), e );
3490                                 return JIM_ERR;
3491                         }
3492                         /* b = width */
3493                         a = a + b;
3494                 }
3495                 return JIM_OK;
3496                 break;
3497
3498                 /* display */
3499         case TS_CMD_MDW:
3500         case TS_CMD_MDH:
3501         case TS_CMD_MDB:
3502                 /* argv[0] = command
3503                  * argv[1] = address
3504                  * argv[2] = optional count
3505                  */
3506                 if( (goi.argc == 2) || (goi.argc == 3) ){
3507                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR [COUNT]", n->name );
3508                         return JIM_ERR;
3509                 }
3510                 e = Jim_GetOpt_Wide( &goi, &a );
3511                 if( e != JIM_OK ){
3512                         return JIM_ERR;
3513                 }
3514                 if( goi.argc ){
3515                         e = Jim_GetOpt_Wide( &goi, &c );
3516                         if( e != JIM_OK ){
3517                                 return JIM_ERR;
3518                         }
3519                 } else {
3520                         c = 1;
3521                 }
3522                 b = 1; /* shut up gcc */
3523                 switch( n->value ){
3524                 case TS_CMD_MDW:
3525                         b =  4;
3526                         break;
3527                 case TS_CMD_MDH:
3528                         b = 2;
3529                         break;
3530                 case TS_CMD_MDB:
3531                         b = 1;
3532                         break;
3533                 }
3534
3535                 /* convert to "bytes" */
3536                 c = c * b;
3537                 /* count is now in 'BYTES' */
3538                 while( c > 0 ){
3539                         y = c;
3540                         if( y > 16 ){
3541                                 y = 16;
3542                         }
3543                         e = target->type->read_memory( target, a, b, y / b, target_buf );
3544                         if( e != ERROR_OK ){
3545                                 Jim_SetResult_sprintf( interp, "error reading target @ 0x%08lx", (int)(a) );
3546                                 return JIM_ERR;
3547                         }
3548
3549                         Jim_fprintf( interp, interp->cookie_stdout, "0x%08x ", (int)(a) );
3550                         switch( b ){
3551                         case 4:
3552                                 for( x = 0 ; (x < 16) && (x < y) ; x += 4 ){
3553                                         z = target_buffer_get_u32( target, &(target_buf[ x * 4 ]) );
3554                                         Jim_fprintf( interp, interp->cookie_stdout, "%08x ", (int)(z) );
3555                                 }
3556                                 for( ; (x < 16) ; x += 4 ){
3557                                         Jim_fprintf( interp, interp->cookie_stdout, "         " );
3558                                 }
3559                                 break;
3560                         case 2:
3561                                 for( x = 0 ; (x < 16) && (x < y) ; x += 2 ){
3562                                         z = target_buffer_get_u16( target, &(target_buf[ x * 2 ]) );
3563                                         Jim_fprintf( interp, interp->cookie_stdout, "%04x ", (int)(z) );
3564                                 }
3565                                 for( ; (x < 16) ; x += 2 ){
3566                                         Jim_fprintf( interp, interp->cookie_stdout, "     " );
3567                                 }
3568                                 break;
3569                         case 1:
3570                         default:
3571                                 for( x = 0 ; (x < 16) && (x < y) ; x += 1 ){
3572                                         z = target_buffer_get_u8( target, &(target_buf[ x * 4 ]) );
3573                                         Jim_fprintf( interp, interp->cookie_stdout, "%02x ", (int)(z) );
3574                                 }
3575                                 for( ; (x < 16) ; x += 1 ){
3576                                         Jim_fprintf( interp, interp->cookie_stdout, "   " );
3577                                 }
3578                                 break;
3579                         }
3580                         /* ascii-ify the bytes */
3581                         for( x = 0 ; x < y ; x++ ){
3582                                 if( (target_buf[x] >= 0x20) &&
3583                                         (target_buf[x] <= 0x7e) ){
3584                                         /* good */
3585                                 } else {
3586                                         /* smack it */
3587                                         target_buf[x] = '.';
3588                                 }
3589                         }
3590                         /* space pad  */
3591                         while( x < 16 ){
3592                                 target_buf[x] = ' ';
3593                                 x++;
3594                         }
3595                         /* terminate */
3596                         target_buf[16] = 0;
3597                         /* print - with a newline */
3598                         Jim_fprintf( interp, interp->cookie_stdout, "%s\n", target_buf );
3599                         /* NEXT... */
3600                         c -= 16;
3601                         a += 16;
3602                 }
3603                 return JIM_OK;
3604         case TS_CMD_MEM2ARRAY:
3605                 return target_mem2array( goi.interp, target, goi.argc, goi.argv );
3606                 break;
3607         case TS_CMD_ARRAY2MEM:
3608                 return target_array2mem( goi.interp, target, goi.argc, goi.argv );
3609                 break;
3610         case TS_CMD_EXAMINE:
3611                 if( goi.argc ){
3612                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3613                         return JIM_ERR;
3614                 }
3615                 e = target->type->examine( target );
3616                 if( e != ERROR_OK ){
3617                         Jim_SetResult_sprintf( interp, "examine-fails: %d", e );
3618                         return JIM_ERR;
3619                 }
3620                 return JIM_OK;
3621         case TS_CMD_POLL:
3622                 if( goi.argc ){
3623                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3624                         return JIM_ERR;
3625                 }
3626                 if( !(target->type->examined) ){
3627                         e = ERROR_TARGET_NOT_EXAMINED;
3628                 } else {
3629                         e = target->type->poll( target );
3630                 }
3631                 if( e != ERROR_OK ){
3632                         Jim_SetResult_sprintf( interp, "poll-fails: %d", e );
3633                         return JIM_ERR;
3634                 } else {
3635                         return JIM_OK;
3636                 }
3637                 break;
3638         case TS_CMD_RESET:
3639                 if( goi.argc != 2 ){
3640                         Jim_WrongNumArgs( interp, 2, argv, "t|f|assert|deassert BOOL");
3641                         return JIM_ERR;
3642                 }
3643                 e = Jim_GetOpt_Nvp( &goi, nvp_assert, &n );
3644                 if( e != JIM_OK ){
3645                         Jim_GetOpt_NvpUnknown( &goi, nvp_assert, 1 );
3646                         return e;
3647                 }
3648                 // the halt or not param
3649                 e = Jim_GetOpt_Wide( &goi, &a);
3650                 if( e != JIM_OK ){
3651                         return e;
3652                 }
3653                 // determine if we should halt or not.
3654                 target->reset_halt = !!a;
3655                 // When this happens - all workareas are invalid.
3656                 target_free_all_working_areas_restore(target, 0);
3657
3658                 // do the assert
3659                 if( n->value == NVP_ASSERT ){
3660                         target->type->assert_reset( target );
3661                 } else {
3662                         target->type->deassert_reset( target );
3663                 }
3664                 return JIM_OK;
3665         case TS_CMD_HALT:
3666                 if( goi.argc ){
3667                         Jim_WrongNumArgs( goi.interp, 0, argv, "halt [no parameters]");
3668                         return JIM_ERR;
3669                 }
3670                 target->type->halt( target );
3671                 return JIM_OK;
3672         case TS_CMD_WAITSTATE:
3673                 // params:  <name>  statename timeoutmsecs
3674                 if( goi.argc != 2 ){
3675                         Jim_SetResult_sprintf( goi.interp, "%s STATENAME TIMEOUTMSECS", n->name );
3676                         return JIM_ERR;
3677                 }
3678                 e = Jim_GetOpt_Nvp( &goi, nvp_target_state, &n );
3679                 if( e != JIM_OK ){
3680                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_state,1 );
3681                         return e;
3682                 }
3683                 e = Jim_GetOpt_Wide( &goi, &a );
3684                 if( e != JIM_OK ){
3685                         return e;
3686                 }
3687                 e = target_wait_state( target, n->value, a );
3688                 if( e != ERROR_OK ){
3689                         Jim_SetResult_sprintf( goi.interp,
3690                                                                    "target: %s wait %s fails (%d) %s",
3691                                                                    target->cmd_name,
3692                                                                    n->name,
3693                                                e, target_strerror_safe(e) );
3694                         return JIM_ERR;
3695                 } else {
3696                         return JIM_OK;
3697                 }
3698         case TS_CMD_EVENTLIST:
3699                 /* List for human, Events defined for this target.
3700                  * scripts/programs should use 'name cget -event NAME'
3701                  */
3702                 {
3703                         target_event_action_t *teap;
3704                         teap = target->event_action;
3705                         command_print( cmd_ctx, "Event actions for target (%d) %s\n",
3706                                                    target->target_number,
3707                                                    target->cmd_name );
3708                         command_print( cmd_ctx, "%-25s | Body", "Event");
3709                         command_print( cmd_ctx, "------------------------- | ----------------------------------------");
3710                         while( teap ){
3711                                 command_print( cmd_ctx,
3712                                                            "%-25s | %s",
3713                                                            Jim_Nvp_value2name_simple( nvp_target_event, teap->event )->name,
3714                                                            Jim_GetString( teap->body, NULL ) );
3715                                 teap = teap->next;
3716                         }
3717                         command_print( cmd_ctx, "***END***");
3718                         return JIM_OK;
3719                 }
3720         case TS_CMD_CURSTATE:
3721                 if( goi.argc != 0 ){
3722                         Jim_WrongNumArgs( goi.interp, 0, argv, "[no parameters]");
3723                         return JIM_ERR;
3724                 }
3725                 Jim_SetResultString( goi.interp,
3726                                                          Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name,-1);
3727                 return JIM_OK;
3728         case TS_CMD_INVOKE_EVENT:
3729                 if( goi.argc != 1 ){
3730                         Jim_SetResult_sprintf( goi.interp, "%s ?EVENTNAME?",n->name);
3731                         return JIM_ERR;
3732                 }
3733                 e = Jim_GetOpt_Nvp( &goi, nvp_target_event, &n );
3734                 if( e != JIM_OK ){
3735                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_event, 1 );
3736                         return e;
3737                 }
3738                 target_handle_event( target, n->value );
3739                 return JIM_OK;
3740         }
3741         return JIM_ERR;
3742 }
3743
3744
3745 static int
3746 target_create( Jim_GetOptInfo *goi )
3747 {
3748
3749         Jim_Obj *new_cmd;
3750         Jim_Cmd *cmd;
3751         const char *cp;
3752         char *cp2;
3753         int e;
3754         int x;
3755         target_t *target;
3756         struct command_context_s *cmd_ctx;
3757
3758         cmd_ctx = Jim_GetAssocData(goi->interp, "context");
3759         if( goi->argc < 3 ){
3760                 Jim_WrongNumArgs( goi->interp, 1, goi->argv, "?name? ?type? ..options...");
3761                 return JIM_ERR;
3762         }
3763
3764         /* COMMAND */
3765         Jim_GetOpt_Obj( goi, &new_cmd );
3766         /* does this command exist? */
3767         cmd = Jim_GetCommand( goi->interp, new_cmd, JIM_ERRMSG );
3768         if( cmd ){
3769                 cp = Jim_GetString( new_cmd, NULL );
3770                 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
3771                 return JIM_ERR;
3772         }
3773
3774         /* TYPE */
3775         e = Jim_GetOpt_String( goi, &cp2, NULL );
3776         cp = cp2;
3777         /* now does target type exist */
3778         for( x = 0 ; target_types[x] ; x++ ){
3779                 if( 0 == strcmp( cp, target_types[x]->name ) ){
3780                         /* found */
3781                         break;
3782                 }
3783         }
3784         if( target_types[x] == NULL ){
3785                 Jim_SetResult_sprintf( goi->interp, "Unknown target type %s, try one of ", cp );
3786                 for( x = 0 ; target_types[x] ; x++ ){
3787                         if( target_types[x+1] ){
3788                                 Jim_AppendStrings( goi->interp,
3789                                                                    Jim_GetResult(goi->interp),
3790                                                                    target_types[x]->name,
3791                                                                    ", ", NULL);
3792                         } else {
3793                                 Jim_AppendStrings( goi->interp,
3794                                                                    Jim_GetResult(goi->interp),
3795                                                                    " or ",
3796                                                                    target_types[x]->name,NULL );
3797                         }
3798                 }
3799                 return JIM_ERR;
3800         }
3801
3802
3803         /* Create it */
3804         target = calloc(1,sizeof(target_t));
3805         /* set target number */
3806         target->target_number = new_target_number();
3807
3808         /* allocate memory for each unique target type */
3809         target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
3810
3811         memcpy( target->type, target_types[x], sizeof(target_type_t));
3812
3813         /* will be set by "-endian" */
3814         target->endianness = TARGET_ENDIAN_UNKNOWN;
3815
3816         target->working_area        = 0x0;
3817         target->working_area_size   = 0x0;
3818         target->working_areas       = NULL;
3819         target->backup_working_area = 0;
3820
3821         target->state               = TARGET_UNKNOWN;
3822         target->debug_reason        = DBG_REASON_UNDEFINED;
3823         target->reg_cache           = NULL;
3824         target->breakpoints         = NULL;
3825         target->watchpoints         = NULL;
3826         target->next                = NULL;
3827         target->arch_info           = NULL;
3828
3829         /* initialize trace information */
3830         target->trace_info = malloc(sizeof(trace_t));
3831         target->trace_info->num_trace_points         = 0;
3832         target->trace_info->trace_points_size        = 0;
3833         target->trace_info->trace_points             = NULL;
3834         target->trace_info->trace_history_size       = 0;
3835         target->trace_info->trace_history            = NULL;
3836         target->trace_info->trace_history_pos        = 0;
3837         target->trace_info->trace_history_overflowed = 0;
3838
3839         target->dbgmsg          = NULL;
3840         target->dbg_msg_enabled = 0;
3841
3842         target->endianness = TARGET_ENDIAN_UNKNOWN;
3843
3844         /* Do the rest as "configure" options */
3845         goi->isconfigure = 1;
3846         e = target_configure( goi, target);
3847         if( e != JIM_OK ){
3848                 free( target->type );
3849                 free( target );
3850                 return e;
3851         }
3852
3853         if( target->endianness == TARGET_ENDIAN_UNKNOWN ){
3854                 /* default endian to little if not specified */
3855                 target->endianness = TARGET_LITTLE_ENDIAN;
3856         }
3857
3858         /* create the target specific commands */
3859         if( target->type->register_commands ){
3860                 (*(target->type->register_commands))( cmd_ctx );
3861         }
3862         if( target->type->target_create ){
3863                 (*(target->type->target_create))( target, goi->interp );
3864         }
3865
3866         /* append to end of list */
3867         {
3868                 target_t **tpp;
3869                 tpp = &(all_targets);
3870                 while( *tpp ){
3871                         tpp = &( (*tpp)->next );
3872                 }
3873                 *tpp = target;
3874         }
3875
3876         cp = Jim_GetString( new_cmd, NULL );
3877         target->cmd_name = strdup(cp);
3878
3879         /* now - create the new target name command */
3880         e = Jim_CreateCommand( goi->interp,
3881                                                    /* name */
3882                                                    cp,
3883                                                    tcl_target_func, /* C function */
3884                                                    target, /* private data */
3885                                                    NULL ); /* no del proc */
3886
3887         (*(target->type->target_create))( target, goi->interp );
3888         return e;
3889 }
3890
3891 static int
3892 jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3893 {
3894         int x,r,e;
3895         jim_wide w;
3896         struct command_context_s *cmd_ctx;
3897         const char *cp;
3898         target_t *target;
3899         Jim_GetOptInfo goi;
3900         enum tcmd {
3901                 /* TG = target generic */
3902                 TG_CMD_CREATE,
3903                 TG_CMD_TYPES,
3904                 TG_CMD_NAMES,
3905                 TG_CMD_CURRENT,
3906                 TG_CMD_NUMBER,
3907                 TG_CMD_COUNT,
3908         };
3909         const char *target_cmds[] = {
3910                 "create", "types", "names", "current", "number",
3911                 "count",
3912                 NULL // terminate
3913         };
3914
3915         LOG_DEBUG("Target command params:");
3916         LOG_DEBUG(Jim_Debug_ArgvString( interp, argc, argv) );
3917
3918         cmd_ctx = Jim_GetAssocData( interp, "context" );
3919
3920         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3921
3922         if( goi.argc == 0 ){
3923                 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
3924                 return JIM_ERR;
3925         }
3926
3927         /* is this old syntax? */
3928         /* To determine: We have to peek at argv[0]*/
3929         cp = Jim_GetString( goi.argv[0], NULL );
3930         for( x = 0 ; target_types[x] ; x++ ){
3931                 if( 0 == strcmp(cp,target_types[x]->name) ){
3932                         break;
3933                 }
3934         }
3935         if( target_types[x] ){
3936                 /* YES IT IS OLD SYNTAX */
3937                 Jim_Obj *new_argv[10];
3938                 int      new_argc;
3939
3940                 /* target_old_syntax
3941                  *
3942                  * argv[0] typename (above)
3943                  * argv[1] endian
3944                  * argv[2] reset method, deprecated/ignored
3945                  * argv[3] = old param
3946                  * argv[4] = old param
3947                  *
3948                  * We will combine all "old params" into a single param.
3949                  * Then later, split them again.
3950                  */
3951                 if( argc < 4 ){
3952                         Jim_WrongNumArgs( interp, 1, argv, "[OLDSYNTAX] ?TYPE? ?ENDIAN? ?RESET? ?old-params?");
3953                         return JIM_ERR;
3954                 }
3955                 /* the command */
3956                 new_argv[0] = argv[0];
3957                 new_argv[1] = Jim_NewStringObj( interp, "create", -1 );
3958                 {
3959                         char buf[ 30 ];
3960                         sprintf( buf, "target%d", new_target_number() );
3961                         new_argv[2] = Jim_NewStringObj( interp, buf , -1 );
3962                 }
3963                 new_argv[3] = goi.argv[0]; /* typename */
3964                 new_argv[4] = Jim_NewStringObj( interp, "-endian", -1 );
3965                 new_argv[5] = goi.argv[1];
3966                 new_argv[6] = Jim_NewStringObj( interp, "-chain-position", -1 );
3967                 new_argv[7] = goi.argv[2];
3968                 new_argv[8] = Jim_NewStringObj( interp, "-variant", -1 );
3969                 new_argv[9] = goi.argv[3];
3970                 new_argc = 10;
3971                 /*
3972                  * new arg syntax:
3973                  *   argv[0] = command
3974                  *   argv[1] = create
3975                  *   argv[2] = cmdname
3976                  *   argv[3] = typename
3977                  *   argv[4] = **FIRST** "configure" option.
3978                  *
3979                  * Here, we make them:
3980                  *
3981                  *   argv[4] = -endian
3982                  *   argv[5] = little
3983                  *   argv[6] = -position
3984                  *   argv[7] = NUMBER
3985                  *   argv[8] = -variant
3986                  *   argv[9] = "somestring"
3987                  */
3988
3989                 /* don't let these be released */
3990                 for( x = 0 ; x < new_argc ; x++ ){
3991                         Jim_IncrRefCount( new_argv[x]);
3992                 }
3993                 /* call our self */
3994                 LOG_DEBUG("Target OLD SYNTAX - converted to new syntax");
3995
3996                 r = jim_target( goi.interp, new_argc, new_argv );
3997
3998                 /* release? these items */
3999                 for( x = 0 ; x < new_argc ; x++ ){
4000                         Jim_DecrRefCount( interp, new_argv[x] );
4001                 }
4002                 return r;
4003         }
4004
4005         //Jim_GetOpt_Debug( &goi );
4006         r = Jim_GetOpt_Enum( &goi, target_cmds, &x   );
4007         if( r != JIM_OK ){
4008                 return r;
4009         }
4010
4011         switch(x){
4012         default:
4013                 Jim_Panic(goi.interp,"Why am I here?");
4014                 return JIM_ERR;
4015         case TG_CMD_CURRENT:
4016                 if( goi.argc != 0 ){
4017                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters");
4018                         return JIM_ERR;
4019                 }
4020                 Jim_SetResultString( goi.interp, get_current_target( cmd_ctx )->cmd_name, -1 );
4021                 return JIM_OK;
4022         case TG_CMD_TYPES:
4023                 if( goi.argc != 0 ){
4024                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4025                         return JIM_ERR;
4026                 }
4027                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4028                 for( x = 0 ; target_types[x] ; x++ ){
4029                         Jim_ListAppendElement( goi.interp,
4030                                                                    Jim_GetResult(goi.interp),
4031                                                                    Jim_NewStringObj( goi.interp, target_types[x]->name, -1 ) );
4032                 }
4033                 return JIM_OK;
4034         case TG_CMD_NAMES:
4035                 if( goi.argc != 0 ){
4036                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4037                         return JIM_ERR;
4038                 }
4039                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4040                 target = all_targets;
4041                 while( target ){
4042                         Jim_ListAppendElement( goi.interp,
4043                                                                    Jim_GetResult(goi.interp),
4044                                                                    Jim_NewStringObj( goi.interp, target->cmd_name, -1 ) );
4045                         target = target->next;
4046                 }
4047                 return JIM_OK;
4048         case TG_CMD_CREATE:
4049                 if( goi.argc < 3 ){
4050                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "?name  ... config options ...");
4051                         return JIM_ERR;
4052                 }
4053                 return target_create( &goi );
4054                 break;
4055         case TG_CMD_NUMBER:
4056                 if( goi.argc != 1 ){
4057                         Jim_SetResult_sprintf( goi.interp, "expected: target number ?NUMBER?");
4058                         return JIM_ERR;
4059                 }
4060                 e = Jim_GetOpt_Wide( &goi, &w );
4061                 if( e != JIM_OK ){
4062                         return JIM_ERR;
4063                 }
4064                 {
4065                         target_t *t;
4066                         t = get_target_by_num(w);
4067                         if( t == NULL ){
4068                                 Jim_SetResult_sprintf( goi.interp,"Target: number %d does not exist", (int)(w));
4069                                 return JIM_ERR;
4070                         }
4071                         Jim_SetResultString( goi.interp, t->cmd_name, -1 );
4072                         return JIM_OK;
4073                 }
4074         case TG_CMD_COUNT:
4075                 if( goi.argc != 0 ){
4076                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "<no parameters>");
4077                         return JIM_ERR;
4078                 }
4079                 Jim_SetResult( goi.interp,
4080                                            Jim_NewIntObj( goi.interp, max_target_number()));
4081                 return JIM_OK;
4082         }
4083
4084         return JIM_ERR;
4085 }
4086
4087
4088
4089 /*
4090  * Local Variables: ***
4091  * c-basic-offset: 4 ***
4092  * tab-width: 4 ***
4093  * End: ***
4094  */