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   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
   6  *   oyvind.harboe@zylin.com                                               *
   7  *                                                                         *
   8  *   Copyright (C) 2008, Duane Ellis                                       *
   9  *   openocd@duaneeellis.com                                               *
  10  *                                                                         *
  11  *   Copyright (C) 2008 by Spencer Oliver                                  *
  12  *   spen@spen-soft.co.uk                                                  *
  13  *                                                                         *
  14  *   Copyright (C) 2008 by Rick Altherr                                    *
  15  *   kc8apf@kc8apf.net>                                                    *
  16  *                                                                         *
  17  *   This program is free software; you can redistribute it and/or modify  *
  18  *   it under the terms of the GNU General Public License as published by  *
  19  *   the Free Software Foundation; either version 2 of the License, or     *
  20  *   (at your option) any later version.                                   *
  21  *                                                                         *
  22  *   This program is distributed in the hope that it will be useful,       *
  23  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  24  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  25  *   GNU General Public License for more details.                          *
  26  *                                                                         *
  27  *   You should have received a copy of the GNU General Public License     *
  28  *   along with this program; if not, write to the                         *
  29  *   Free Software Foundation, Inc.,                                       *
  30  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  31  ***************************************************************************/
  32 #ifdef HAVE_CONFIG_H
  33 #include "config.h"
  34 #endif
  35
  36 #include "replacements.h"
  37 #include "target.h"
  38 #include "target_request.h"
  39
  40 #include "log.h"
  41 #include "configuration.h"
  42 #include "binarybuffer.h"
  43 #include "jtag.h"
  44
  45 #include <string.h>
  46 #include <stdlib.h>
  47 #include <inttypes.h>
  48
  49 #include <sys/types.h>
  50 #include <sys/stat.h>
  51 #include <unistd.h>
  52 #include <errno.h>
  53
  54 #include <sys/time.h>
  55 #include <time.h>
  56
  57 #include <time_support.h>
  58
  59 #include <fileio.h>
  60 #include <image.h>
  61
  62 int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
  63
  64
  65 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  66
  67 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  68
  69 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  70 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  71 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  72 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  73 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  74 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  75 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  76 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  77 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  78 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  79 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  80 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  81 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  82 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  83 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  84 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  85 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  86 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
  87 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  88 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  89 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  90 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  91
  92 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  93 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  94
  95
  96
  97 /* targets */
  98 extern target_type_t arm7tdmi_target;
  99 extern target_type_t arm720t_target;
 100 extern target_type_t arm9tdmi_target;
 101 extern target_type_t arm920t_target;
 102 extern target_type_t arm966e_target;
 103 extern target_type_t arm926ejs_target;
 104 extern target_type_t feroceon_target;
 105 extern target_type_t xscale_target;
 106 extern target_type_t cortexm3_target;
 107 extern target_type_t arm11_target;
 108 extern target_type_t mips_m4k_target;
 109
 110 target_type_t *target_types[] =
 111 {
 112         &arm7tdmi_target,
 113         &arm9tdmi_target,
 114         &arm920t_target,
 115         &arm720t_target,
 116         &arm966e_target,
 117         &arm926ejs_target,
 118         &feroceon_target,
 119         &xscale_target,
 120         &cortexm3_target,
 121         &arm11_target,
 122         &mips_m4k_target,
 123         NULL,
 124 };
 125
 126 target_t *all_targets = NULL;
 127 target_event_callback_t *target_event_callbacks = NULL;
 128 target_timer_callback_t *target_timer_callbacks = NULL;
 129
 130 const Jim_Nvp nvp_assert[] = {
 131         { .name = "assert", NVP_ASSERT },
 132         { .name = "deassert", NVP_DEASSERT },
 133         { .name = "T", NVP_ASSERT },
 134         { .name = "F", NVP_DEASSERT },
 135         { .name = "t", NVP_ASSERT },
 136         { .name = "f", NVP_DEASSERT },
 137         { .name = NULL, .value = -1 }
 138 };
 139
 140 const Jim_Nvp nvp_error_target[] = {
 141         { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
 142         { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
 143         { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
 144         { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
 145         { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
 146         { .value = ERROR_TARGET_UNALIGNED_ACCESS   , .name = "err-unaligned-access" },
 147         { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
 148         { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
 149         { .value = ERROR_TARGET_TRANSLATION_FAULT  , .name = "err-translation-fault" },
 150         { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
 151         { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
 152         { .value = -1, .name = NULL }
 153 };
 154
 155 const char *target_strerror_safe( int err )
 156 {
 157         const Jim_Nvp *n;
 158
 159         n = Jim_Nvp_value2name_simple( nvp_error_target, err );
 160         if( n->name == NULL ){
 161                 return "unknown";
 162         } else {
 163                 return n->name;
 164         }
 165 }
 166
 167 const Jim_Nvp nvp_target_event[] = {
 168         { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
 169         { .value = TARGET_EVENT_OLD_pre_resume         , .name = "old-pre_resume" },
 170
 171
 172         { .value = TARGET_EVENT_EARLY_HALTED, .name = "early-halted" },
 173         { .value = TARGET_EVENT_HALTED, .name = "halted" },
 174         { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
 175         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 176         { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
 177
 178
 179         { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
 180         { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
 181
 182
 183         /* historical name */
 184
 185         { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
 186
 187         { .value = TARGET_EVENT_RESET_ASSERT_PRE,    .name = "reset-assert-pre" },
 188         { .value = TARGET_EVENT_RESET_ASSERT_POST,   .name = "reset-assert-post" },
 189         { .value = TARGET_EVENT_RESET_DEASSERT_PRE,  .name = "reset-deassert-pre" },
 190         { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
 191         { .value = TARGET_EVENT_RESET_HALT_PRE,      .name = "reset-halt-pre" },
 192         { .value = TARGET_EVENT_RESET_HALT_POST,     .name = "reset-halt-post" },
 193         { .value = TARGET_EVENT_RESET_WAIT_PRE,      .name = "reset-wait-pre" },
 194         { .value = TARGET_EVENT_RESET_WAIT_POST,     .name = "reset-wait-post" },
 195         { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
 196         { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
 197
 198
 199
 200
 201
 202         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
 203         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-end" },
 204
 205
 206         { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
 207         { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
 208
 209         { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
 210         { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
 211
 212
 213         { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
 214         { .value = TARGET_EVENT_GDB_FLASH_WRITE_END  , .name = "gdb-flash-write-end"   },
 215
 216         { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
 217         { .value = TARGET_EVENT_GDB_FLASH_ERASE_END  , .name = "gdb-flash-erase-end" },
 218
 219         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 220         { .value = TARGET_EVENT_RESUMED     , .name = "resume-ok" },
 221         { .value = TARGET_EVENT_RESUME_END  , .name = "resume-end" },
 222
 223         { .name = NULL, .value = -1 }
 224 };
 225
 226 const Jim_Nvp nvp_target_state[] = {
 227         { .name = "unknown", .value = TARGET_UNKNOWN },
 228         { .name = "running", .value = TARGET_RUNNING },
 229         { .name = "halted",  .value = TARGET_HALTED },
 230         { .name = "reset",   .value = TARGET_RESET },
 231         { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
 232         { .name = NULL, .value = -1 },
 233 };
 234
 235
 236 const Jim_Nvp nvp_target_debug_reason [] = {
 237         { .name = "debug-request"            , .value = DBG_REASON_DBGRQ },
 238         { .name = "breakpoint"               , .value = DBG_REASON_BREAKPOINT },
 239         { .name = "watchpoint"               , .value = DBG_REASON_WATCHPOINT },
 240         { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
 241         { .name = "single-step"              , .value = DBG_REASON_SINGLESTEP },
 242         { .name = "target-not-halted"        , .value = DBG_REASON_NOTHALTED  },
 243         { .name = "undefined"                , .value = DBG_REASON_UNDEFINED },
 244         { .name = NULL, .value = -1 },
 245 };
 246
 247
 248 const Jim_Nvp nvp_target_endian[] = {
 249         { .name = "big",    .value = TARGET_BIG_ENDIAN },
 250         { .name = "little", .value = TARGET_LITTLE_ENDIAN },
 251         { .name = "be",     .value = TARGET_BIG_ENDIAN },
 252         { .name = "le",     .value = TARGET_LITTLE_ENDIAN },
 253         { .name = NULL,     .value = -1 },
 254 };
 255
 256 const Jim_Nvp nvp_reset_modes[] = {
 257         { .name = "unknown", .value = RESET_UNKNOWN },
 258         { .name = "run"    , .value = RESET_RUN },
 259         { .name = "halt"   , .value = RESET_HALT },
 260         { .name = "init"   , .value = RESET_INIT },
 261         { .name = NULL     , .value = -1 },
 262 };
 263
 264 static int
 265 max_target_number( void )
 266 {
 267         target_t *t;
 268         int x;
 269
 270         x = -1;
 271         t = all_targets;
 272         while( t ){
 273                 if( x < t->target_number ){
 274                         x = (t->target_number)+1;
 275                 }
 276                 t = t->next;
 277         }
 278         return x;
 279 }
 280
 281 /* determine the number of the new target */
 282 static int
 283 new_target_number( void )
 284 {
 285         target_t *t;
 286         int x;
 287
 288         /* number is 0 based */
 289         x = -1;
 290         t = all_targets;
 291         while(t){
 292                 if( x < t->target_number ){
 293                         x = t->target_number;
 294                 }
 295                 t = t->next;
 296         }
 297         return x+1;
 298 }
 299
 300 static int target_continous_poll = 1;
 301
 302 /* read a u32 from a buffer in target memory endianness */
 303 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
 304 {
 305         if (target->endianness == TARGET_LITTLE_ENDIAN)
 306                 return le_to_h_u32(buffer);
 307         else
 308                 return be_to_h_u32(buffer);
 309 }
 310
 311 /* read a u16 from a buffer in target memory endianness */
 312 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
 313 {
 314         if (target->endianness == TARGET_LITTLE_ENDIAN)
 315                 return le_to_h_u16(buffer);
 316         else
 317                 return be_to_h_u16(buffer);
 318 }
 319
 320 /* read a u8 from a buffer in target memory endianness */
 321 u8 target_buffer_get_u8(target_t *target, u8 *buffer)
 322 {
 323         return *buffer & 0x0ff;
 324 }
 325
 326 /* write a u32 to a buffer in target memory endianness */
 327 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
 328 {
 329         if (target->endianness == TARGET_LITTLE_ENDIAN)
 330                 h_u32_to_le(buffer, value);
 331         else
 332                 h_u32_to_be(buffer, value);
 333 }
 334
 335 /* write a u16 to a buffer in target memory endianness */
 336 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
 337 {
 338         if (target->endianness == TARGET_LITTLE_ENDIAN)
 339                 h_u16_to_le(buffer, value);
 340         else
 341                 h_u16_to_be(buffer, value);
 342 }
 343
 344 /* write a u8 to a buffer in target memory endianness */
 345 void target_buffer_set_u8(target_t *target, u8 *buffer, u8 value)
 346 {
 347         *buffer = value;
 348 }
 349
 350 /* returns a pointer to the n-th configured target */
 351 target_t* get_target_by_num(int num)
 352 {
 353         target_t *target = all_targets;
 354
 355         while (target){
 356                 if( target->target_number == num ){
 357                         return target;
 358                 }
 359                 target = target->next;
 360         }
 361
 362         return NULL;
 363 }
 364
 365 int get_num_by_target(target_t *query_target)
 366 {
 367         return query_target->target_number;
 368 }
 369
 370 target_t* get_current_target(command_context_t *cmd_ctx)
 371 {
 372         target_t *target = get_target_by_num(cmd_ctx->current_target);
 373
 374         if (target == NULL)
 375         {
 376                 LOG_ERROR("BUG: current_target out of bounds");
 377                 exit(-1);
 378         }
 379
 380         return target;
 381 }
 382
 383
 384 int target_poll(struct target_s *target)
 385 {
 386         /* We can't poll until after examine */
 387         if (!target->type->examined)
 388         {
 389                 /* Fail silently lest we pollute the log */
 390                 return ERROR_FAIL;
 391         }
 392         return target->type->poll(target);
 393 }
 394
 395 int target_halt(struct target_s *target)
 396 {
 397         /* We can't poll until after examine */
 398         if (!target->type->examined)
 399         {
 400                 LOG_ERROR("Target not examined yet");
 401                 return ERROR_FAIL;
 402         }
 403         return target->type->halt(target);
 404 }
 405
 406 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
 407 {
 408         int retval;
 409
 410         /* We can't poll until after examine */
 411         if (!target->type->examined)
 412         {
 413                 LOG_ERROR("Target not examined yet");
 414                 return ERROR_FAIL;
 415         }
 416
 417         /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
 418          * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
 419          * the application.
 420          */
 421         if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
 422                 return retval;
 423
 424         return retval;
 425 }
 426
 427
 428 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
 429 {
 430         char buf[100];
 431         int retval;
 432         Jim_Nvp *n;
 433         n = Jim_Nvp_value2name_simple( nvp_reset_modes, reset_mode );
 434         if( n->name == NULL ){
 435                 LOG_ERROR("invalid reset mode");
 436                 return ERROR_FAIL;
 437         }
 438
 439         sprintf( buf, "ocd_process_reset %s", n->name );
 440         retval = Jim_Eval( interp, buf );
 441
 442         if(retval != JIM_OK) {
 443                 Jim_PrintErrorMessage(interp);
 444                 return ERROR_FAIL;
 445         }
 446
 447         /* We want any events to be processed before the prompt */
 448         retval = target_call_timer_callbacks_now();
 449
 450         return retval;
 451 }
 452
 453
 454 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
 455 {
 456         *physical = virtual;
 457         return ERROR_OK;
 458 }
 459
 460 static int default_mmu(struct target_s *target, int *enabled)
 461 {
 462         *enabled = 0;
 463         return ERROR_OK;
 464 }
 465
 466 static int default_examine(struct target_s *target)
 467 {
 468         target->type->examined = 1;
 469         return ERROR_OK;
 470 }
 471
 472
 473 /* Targets that correctly implement init+examine, i.e.
 474  * no communication with target during init:
 475  *
 476  * XScale
 477  */
 478 int target_examine(void)
 479 {
 480         int retval = ERROR_OK;
 481         target_t *target = all_targets;
 482         while (target)
 483         {
 484                 if ((retval = target->type->examine(target))!=ERROR_OK)
 485                         return retval;
 486                 target = target->next;
 487         }
 488         return retval;
 489 }
 490
 491 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 492 {
 493         if (!target->type->examined)
 494         {
 495                 LOG_ERROR("Target not examined yet");
 496                 return ERROR_FAIL;
 497         }
 498         return target->type->write_memory_imp(target, address, size, count, buffer);
 499 }
 500
 501 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 502 {
 503         if (!target->type->examined)
 504         {
 505                 LOG_ERROR("Target not examined yet");
 506                 return ERROR_FAIL;
 507         }
 508         return target->type->read_memory_imp(target, address, size, count, buffer);
 509 }
 510
 511 static int target_soft_reset_halt_imp(struct target_s *target)
 512 {
 513         if (!target->type->examined)
 514         {
 515                 LOG_ERROR("Target not examined yet");
 516                 return ERROR_FAIL;
 517         }
 518         return target->type->soft_reset_halt_imp(target);
 519 }
 520
 521 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)
 522 {
 523         if (!target->type->examined)
 524         {
 525                 LOG_ERROR("Target not examined yet");
 526                 return ERROR_FAIL;
 527         }
 528         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);
 529 }
 530
 531 int target_init(struct command_context_s *cmd_ctx)
 532 {
 533         target_t *target = all_targets;
 534         int retval;
 535
 536         while (target)
 537         {
 538                 target->type->examined = 0;
 539                 if (target->type->examine == NULL)
 540                 {
 541                         target->type->examine = default_examine;
 542                 }
 543
 544                 if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
 545                 {
 546                         LOG_ERROR("target '%s' init failed", target->type->name);
 547                         return retval;
 548                 }
 549
 550                 /* Set up default functions if none are provided by target */
 551                 if (target->type->virt2phys == NULL)
 552                 {
 553                         target->type->virt2phys = default_virt2phys;
 554                 }
 555                 target->type->virt2phys = default_virt2phys;
 556                 /* a non-invasive way(in terms of patches) to add some code that
 557                  * runs before the type->write/read_memory implementation
 558                  */
 559                 target->type->write_memory_imp = target->type->write_memory;
 560                 target->type->write_memory = target_write_memory_imp;
 561                 target->type->read_memory_imp = target->type->read_memory;
 562                 target->type->read_memory = target_read_memory_imp;
 563                 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
 564                 target->type->soft_reset_halt = target_soft_reset_halt_imp;
 565                 target->type->run_algorithm_imp = target->type->run_algorithm;
 566                 target->type->run_algorithm = target_run_algorithm_imp;
 567
 568
 569                 if (target->type->mmu == NULL)
 570                 {
 571                         target->type->mmu = default_mmu;
 572                 }
 573                 target = target->next;
 574         }
 575
 576         if (all_targets)
 577         {
 578                 if((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
 579                         return retval;
 580                 if((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
 581                         return retval;
 582         }
 583
 584         return ERROR_OK;
 585 }
 586
 587 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 588 {
 589         target_event_callback_t **callbacks_p = &target_event_callbacks;
 590
 591         if (callback == NULL)
 592         {
 593                 return ERROR_INVALID_ARGUMENTS;
 594         }
 595
 596         if (*callbacks_p)
 597         {
 598                 while ((*callbacks_p)->next)
 599                         callbacks_p = &((*callbacks_p)->next);
 600                 callbacks_p = &((*callbacks_p)->next);
 601         }
 602
 603         (*callbacks_p) = malloc(sizeof(target_event_callback_t));
 604         (*callbacks_p)->callback = callback;
 605         (*callbacks_p)->priv = priv;
 606         (*callbacks_p)->next = NULL;
 607
 608         return ERROR_OK;
 609 }
 610
 611 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
 612 {
 613         target_timer_callback_t **callbacks_p = &target_timer_callbacks;
 614         struct timeval now;
 615
 616         if (callback == NULL)
 617         {
 618                 return ERROR_INVALID_ARGUMENTS;
 619         }
 620
 621         if (*callbacks_p)
 622         {
 623                 while ((*callbacks_p)->next)
 624                         callbacks_p = &((*callbacks_p)->next);
 625                 callbacks_p = &((*callbacks_p)->next);
 626         }
 627
 628         (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
 629         (*callbacks_p)->callback = callback;
 630         (*callbacks_p)->periodic = periodic;
 631         (*callbacks_p)->time_ms = time_ms;
 632
 633         gettimeofday(&now, NULL);
 634         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 635         time_ms -= (time_ms % 1000);
 636         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
 637         if ((*callbacks_p)->when.tv_usec > 1000000)
 638         {
 639                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
 640                 (*callbacks_p)->when.tv_sec += 1;
 641         }
 642
 643         (*callbacks_p)->priv = priv;
 644         (*callbacks_p)->next = NULL;
 645
 646         return ERROR_OK;
 647 }
 648
 649 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 650 {
 651         target_event_callback_t **p = &target_event_callbacks;
 652         target_event_callback_t *c = target_event_callbacks;
 653
 654         if (callback == NULL)
 655         {
 656                 return ERROR_INVALID_ARGUMENTS;
 657         }
 658
 659         while (c)
 660         {
 661                 target_event_callback_t *next = c->next;
 662                 if ((c->callback == callback) && (c->priv == priv))
 663                 {
 664                         *p = next;
 665                         free(c);
 666                         return ERROR_OK;
 667                 }
 668                 else
 669                         p = &(c->next);
 670                 c = next;
 671         }
 672
 673         return ERROR_OK;
 674 }
 675
 676 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
 677 {
 678         target_timer_callback_t **p = &target_timer_callbacks;
 679         target_timer_callback_t *c = target_timer_callbacks;
 680
 681         if (callback == NULL)
 682         {
 683                 return ERROR_INVALID_ARGUMENTS;
 684         }
 685
 686         while (c)
 687         {
 688                 target_timer_callback_t *next = c->next;
 689                 if ((c->callback == callback) && (c->priv == priv))
 690                 {
 691                         *p = next;
 692                         free(c);
 693                         return ERROR_OK;
 694                 }
 695                 else
 696                         p = &(c->next);
 697                 c = next;
 698         }
 699
 700         return ERROR_OK;
 701 }
 702
 703 int target_call_event_callbacks(target_t *target, enum target_event event)
 704 {
 705         target_event_callback_t *callback = target_event_callbacks;
 706         target_event_callback_t *next_callback;
 707
 708         if (event == TARGET_EVENT_HALTED)
 709         {
 710                 /* execute early halted first */
 711                 target_call_event_callbacks(target, TARGET_EVENT_EARLY_HALTED);
 712         }
 713
 714
 715         LOG_DEBUG("target event %i (%s)",
 716                           event,
 717                           Jim_Nvp_value2name_simple( nvp_target_event, event )->name );
 718
 719         target_handle_event( target, event );
 720
 721         while (callback)
 722         {
 723                 next_callback = callback->next;
 724                 callback->callback(target, event, callback->priv);
 725                 callback = next_callback;
 726         }
 727
 728         return ERROR_OK;
 729 }
 730
 731 static int target_call_timer_callbacks_check_time(int checktime)
 732 {
 733         target_timer_callback_t *callback = target_timer_callbacks;
 734         target_timer_callback_t *next_callback;
 735         struct timeval now;
 736
 737         keep_alive();
 738
 739         gettimeofday(&now, NULL);
 740
 741         while (callback)
 742         {
 743                 next_callback = callback->next;
 744
 745                 if ((!checktime&&callback->periodic)||
 746                                 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
 747                                                 || (now.tv_sec > callback->when.tv_sec)))
 748                 {
 749                         if(callback->callback != NULL)
 750                         {
 751                                 callback->callback(callback->priv);
 752                                 if (callback->periodic)
 753                                 {
 754                                         int time_ms = callback->time_ms;
 755                                         callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 756                                         time_ms -= (time_ms % 1000);
 757                                         callback->when.tv_sec = now.tv_sec + time_ms / 1000;
 758                                         if (callback->when.tv_usec > 1000000)
 759                                         {
 760                                                 callback->when.tv_usec = callback->when.tv_usec - 1000000;
 761                                                 callback->when.tv_sec += 1;
 762                                         }
 763                                 }
 764                                 else
 765                                 {
 766                                         int retval;
 767                                         if((retval = target_unregister_timer_callback(callback->callback, callback->priv)) != ERROR_OK)
 768                                                 return retval;
 769                                 }
 770                         }
 771                 }
 772
 773                 callback = next_callback;
 774         }
 775
 776         return ERROR_OK;
 777 }
 778
 779 int target_call_timer_callbacks(void)
 780 {
 781         return target_call_timer_callbacks_check_time(1);
 782 }
 783
 784 /* invoke periodic callbacks immediately */
 785 int target_call_timer_callbacks_now(void)
 786 {
 787         return target_call_timer_callbacks_check_time(0);
 788 }
 789
 790 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
 791 {
 792         working_area_t *c = target->working_areas;
 793         working_area_t *new_wa = NULL;
 794
 795         /* Reevaluate working area address based on MMU state*/
 796         if (target->working_areas == NULL)
 797         {
 798                 int retval;
 799                 int enabled;
 800                 retval = target->type->mmu(target, &enabled);
 801                 if (retval != ERROR_OK)
 802                 {
 803                         return retval;
 804                 }
 805                 if (enabled)
 806                 {
 807                         target->working_area = target->working_area_virt;
 808                 }
 809                 else
 810                 {
 811                         target->working_area = target->working_area_phys;
 812                 }
 813         }
 814
 815         /* only allocate multiples of 4 byte */
 816         if (size % 4)
 817         {
 818                 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
 819                 size = CEIL(size, 4);
 820         }
 821
 822         /* see if there's already a matching working area */
 823         while (c)
 824         {
 825                 if ((c->free) && (c->size == size))
 826                 {
 827                         new_wa = c;
 828                         break;
 829                 }
 830                 c = c->next;
 831         }
 832
 833         /* if not, allocate a new one */
 834         if (!new_wa)
 835         {
 836                 working_area_t **p = &target->working_areas;
 837                 u32 first_free = target->working_area;
 838                 u32 free_size = target->working_area_size;
 839
 840                 LOG_DEBUG("allocating new working area");
 841
 842                 c = target->working_areas;
 843                 while (c)
 844                 {
 845                         first_free += c->size;
 846                         free_size -= c->size;
 847                         p = &c->next;
 848                         c = c->next;
 849                 }
 850
 851                 if (free_size < size)
 852                 {
 853                         LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
 854                         return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
 855                 }
 856
 857                 new_wa = malloc(sizeof(working_area_t));
 858                 new_wa->next = NULL;
 859                 new_wa->size = size;
 860                 new_wa->address = first_free;
 861
 862                 if (target->backup_working_area)
 863                 {
 864                         int retval;
 865                         new_wa->backup = malloc(new_wa->size);
 866                         if((retval = target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
 867                         {
 868                                 free(new_wa->backup);
 869                                 free(new_wa);
 870                                 return retval;
 871                         }
 872                 }
 873                 else
 874                 {
 875                         new_wa->backup = NULL;
 876                 }
 877
 878                 /* put new entry in list */
 879                 *p = new_wa;
 880         }
 881
 882         /* mark as used, and return the new (reused) area */
 883         new_wa->free = 0;
 884         *area = new_wa;
 885
 886         /* user pointer */
 887         new_wa->user = area;
 888
 889         return ERROR_OK;
 890 }
 891
 892 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
 893 {
 894         if (area->free)
 895                 return ERROR_OK;
 896
 897         if (restore&&target->backup_working_area)
 898         {
 899                 int retval;
 900                 if((retval = target->type->write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
 901                         return retval;
 902         }
 903
 904         area->free = 1;
 905
 906         /* mark user pointer invalid */
 907         *area->user = NULL;
 908         area->user = NULL;
 909
 910         return ERROR_OK;
 911 }
 912
 913 int target_free_working_area(struct target_s *target, working_area_t *area)
 914 {
 915         return target_free_working_area_restore(target, area, 1);
 916 }
 917
 918 /* free resources and restore memory, if restoring memory fails,
 919  * free up resources anyway
 920  */
 921 void target_free_all_working_areas_restore(struct target_s *target, int restore)
 922 {
 923         working_area_t *c = target->working_areas;
 924
 925         while (c)
 926         {
 927                 working_area_t *next = c->next;
 928                 target_free_working_area_restore(target, c, restore);
 929
 930                 if (c->backup)
 931                         free(c->backup);
 932
 933                 free(c);
 934
 935                 c = next;
 936         }
 937
 938         target->working_areas = NULL;
 939 }
 940
 941 void target_free_all_working_areas(struct target_s *target)
 942 {
 943         target_free_all_working_areas_restore(target, 1);
 944 }
 945
 946 int target_register_commands(struct command_context_s *cmd_ctx)
 947 {
 948
 949         register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, "change the current command line target (one parameter) or lists targets (with no parameter)");
 950         register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, "set a new working space");
 951         register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "translate a virtual address into a physical address");
 952         register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "profiling samples the CPU PC");
 953
 954         register_jim(cmd_ctx, "target", jim_target, "configure target" );
 955
 956
 957         /* script procedures */
 958         register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array, "read memory and return as a TCL array for script processing");
 959         register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem, "convert a TCL array to memory locations and write the values");
 960         return ERROR_OK;
 961 }
 962
 963 int target_arch_state(struct target_s *target)
 964 {
 965         int retval;
 966         if (target==NULL)
 967         {
 968                 LOG_USER("No target has been configured");
 969                 return ERROR_OK;
 970         }
 971
 972         LOG_USER("target state: %s",
 973                  Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name);
 974
 975         if (target->state!=TARGET_HALTED)
 976                 return ERROR_OK;
 977
 978         retval=target->type->arch_state(target);
 979         return retval;
 980 }
 981
 982 /* Single aligned words are guaranteed to use 16 or 32 bit access
 983  * mode respectively, otherwise data is handled as quickly as
 984  * possible
 985  */
 986 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
 987 {
 988         int retval;
 989         LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
 990
 991         if (!target->type->examined)
 992         {
 993                 LOG_ERROR("Target not examined yet");
 994                 return ERROR_FAIL;
 995         }
 996
 997         if ((address + size - 1) < address)
 998         {
 999                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1000                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1001                 return ERROR_FAIL;
1002         }
1003
1004         if (((address % 2) == 0) && (size == 2))
1005         {
1006                 return target->type->write_memory(target, address, 2, 1, buffer);
1007         }
1008
1009         /* handle unaligned head bytes */
1010         if (address % 4)
1011         {
1012                 int unaligned = 4 - (address % 4);
1013
1014                 if (unaligned > size)
1015                         unaligned = size;
1016
1017                 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1018                         return retval;
1019
1020                 buffer += unaligned;
1021                 address += unaligned;
1022                 size -= unaligned;
1023         }
1024
1025         /* handle aligned words */
1026         if (size >= 4)
1027         {
1028                 int aligned = size - (size % 4);
1029
1030                 /* use bulk writes above a certain limit. This may have to be changed */
1031                 if (aligned > 128)
1032                 {
1033                         if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1034                                 return retval;
1035                 }
1036                 else
1037                 {
1038                         if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1039                                 return retval;
1040                 }
1041
1042                 buffer += aligned;
1043                 address += aligned;
1044                 size -= aligned;
1045         }
1046
1047         /* handle tail writes of less than 4 bytes */
1048         if (size > 0)
1049         {
1050                 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1051                         return retval;
1052         }
1053
1054         return ERROR_OK;
1055 }
1056
1057
1058 /* Single aligned words are guaranteed to use 16 or 32 bit access
1059  * mode respectively, otherwise data is handled as quickly as
1060  * possible
1061  */
1062 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1063 {
1064         int retval;
1065         LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1066
1067         if (!target->type->examined)
1068         {
1069                 LOG_ERROR("Target not examined yet");
1070                 return ERROR_FAIL;
1071         }
1072
1073         if ((address + size - 1) < address)
1074         {
1075                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1076                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1077                 return ERROR_FAIL;
1078         }
1079
1080         if (((address % 2) == 0) && (size == 2))
1081         {
1082                 return target->type->read_memory(target, address, 2, 1, buffer);
1083         }
1084
1085         /* handle unaligned head bytes */
1086         if (address % 4)
1087         {
1088                 int unaligned = 4 - (address % 4);
1089
1090                 if (unaligned > size)
1091                         unaligned = size;
1092
1093                 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1094                         return retval;
1095
1096                 buffer += unaligned;
1097                 address += unaligned;
1098                 size -= unaligned;
1099         }
1100
1101         /* handle aligned words */
1102         if (size >= 4)
1103         {
1104                 int aligned = size - (size % 4);
1105
1106                 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1107                         return retval;
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->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1118                         return retval;
1119         }
1120
1121         return ERROR_OK;
1122 }
1123
1124 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1125 {
1126         u8 *buffer;
1127         int retval;
1128         int i;
1129         u32 checksum = 0;
1130         if (!target->type->examined)
1131         {
1132                 LOG_ERROR("Target not examined yet");
1133                 return ERROR_FAIL;
1134         }
1135
1136         if ((retval = target->type->checksum_memory(target, address,
1137                 size, &checksum)) != ERROR_OK)
1138         {
1139                 buffer = malloc(size);
1140                 if (buffer == NULL)
1141                 {
1142                         LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1143                         return ERROR_INVALID_ARGUMENTS;
1144                 }
1145                 retval = target_read_buffer(target, address, size, buffer);
1146                 if (retval != ERROR_OK)
1147                 {
1148                         free(buffer);
1149                         return retval;
1150                 }
1151
1152                 /* convert to target endianess */
1153                 for (i = 0; i < (size/sizeof(u32)); i++)
1154                 {
1155                         u32 target_data;
1156                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1157                         target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1158                 }
1159
1160                 retval = image_calculate_checksum( buffer, size, &checksum );
1161                 free(buffer);
1162         }
1163
1164         *crc = checksum;
1165
1166         return retval;
1167 }
1168
1169 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1170 {
1171         int retval;
1172         if (!target->type->examined)
1173         {
1174                 LOG_ERROR("Target not examined yet");
1175                 return ERROR_FAIL;
1176         }
1177
1178         if (target->type->blank_check_memory == 0)
1179                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1180
1181         retval = target->type->blank_check_memory(target, address, size, blank);
1182
1183         return retval;
1184 }
1185
1186 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1187 {
1188         u8 value_buf[4];
1189         if (!target->type->examined)
1190         {
1191                 LOG_ERROR("Target not examined yet");
1192                 return ERROR_FAIL;
1193         }
1194
1195         int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1196
1197         if (retval == ERROR_OK)
1198         {
1199                 *value = target_buffer_get_u32(target, value_buf);
1200                 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1201         }
1202         else
1203         {
1204                 *value = 0x0;
1205                 LOG_DEBUG("address: 0x%8.8x failed", address);
1206         }
1207
1208         return retval;
1209 }
1210
1211 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1212 {
1213         u8 value_buf[2];
1214         if (!target->type->examined)
1215         {
1216                 LOG_ERROR("Target not examined yet");
1217                 return ERROR_FAIL;
1218         }
1219
1220         int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1221
1222         if (retval == ERROR_OK)
1223         {
1224                 *value = target_buffer_get_u16(target, value_buf);
1225                 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1226         }
1227         else
1228         {
1229                 *value = 0x0;
1230                 LOG_DEBUG("address: 0x%8.8x failed", address);
1231         }
1232
1233         return retval;
1234 }
1235
1236 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1237 {
1238         int retval = target->type->read_memory(target, address, 1, 1, value);
1239         if (!target->type->examined)
1240         {
1241                 LOG_ERROR("Target not examined yet");
1242                 return ERROR_FAIL;
1243         }
1244
1245         if (retval == ERROR_OK)
1246         {
1247                 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1248         }
1249         else
1250         {
1251                 *value = 0x0;
1252                 LOG_DEBUG("address: 0x%8.8x failed", address);
1253         }
1254
1255         return retval;
1256 }
1257
1258 int target_write_u32(struct target_s *target, u32 address, u32 value)
1259 {
1260         int retval;
1261         u8 value_buf[4];
1262         if (!target->type->examined)
1263         {
1264                 LOG_ERROR("Target not examined yet");
1265                 return ERROR_FAIL;
1266         }
1267
1268         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1269
1270         target_buffer_set_u32(target, value_buf, value);
1271         if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1272         {
1273                 LOG_DEBUG("failed: %i", retval);
1274         }
1275
1276         return retval;
1277 }
1278
1279 int target_write_u16(struct target_s *target, u32 address, u16 value)
1280 {
1281         int retval;
1282         u8 value_buf[2];
1283         if (!target->type->examined)
1284         {
1285                 LOG_ERROR("Target not examined yet");
1286                 return ERROR_FAIL;
1287         }
1288
1289         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1290
1291         target_buffer_set_u16(target, value_buf, value);
1292         if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1293         {
1294                 LOG_DEBUG("failed: %i", retval);
1295         }
1296
1297         return retval;
1298 }
1299
1300 int target_write_u8(struct target_s *target, u32 address, u8 value)
1301 {
1302         int retval;
1303         if (!target->type->examined)
1304         {
1305                 LOG_ERROR("Target not examined yet");
1306                 return ERROR_FAIL;
1307         }
1308
1309         LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1310
1311         if ((retval = target->type->write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1312         {
1313                 LOG_DEBUG("failed: %i", retval);
1314         }
1315
1316         return retval;
1317 }
1318
1319 int target_register_user_commands(struct command_context_s *cmd_ctx)
1320 {
1321         int retval = ERROR_OK;
1322         register_command(cmd_ctx,  NULL, "reg", handle_reg_command, COMMAND_EXEC, "display or set a register");
1323         register_command(cmd_ctx,  NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1324         register_command(cmd_ctx,  NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1325         register_command(cmd_ctx,  NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1326         register_command(cmd_ctx,  NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1327         register_command(cmd_ctx,  NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1328         register_command(cmd_ctx,  NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init] - default is run");
1329         register_command(cmd_ctx,  NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1330
1331         register_command(cmd_ctx,  NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1332         register_command(cmd_ctx,  NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1333         register_command(cmd_ctx,  NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1334
1335         register_command(cmd_ctx,  NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1336         register_command(cmd_ctx,  NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1337         register_command(cmd_ctx,  NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1338
1339         register_command(cmd_ctx,  NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1340         register_command(cmd_ctx,  NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1341         register_command(cmd_ctx,  NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1342         register_command(cmd_ctx,  NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1343
1344         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]");
1345         register_command(cmd_ctx,  NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1346         register_command(cmd_ctx,  NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1347
1348         if((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
1349                 return retval;
1350         if((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
1351                 return retval;
1352
1353
1354         return retval;
1355 }
1356
1357 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1358 {
1359         char *cp;
1360         target_t *target = all_targets;
1361
1362         if (argc == 1)
1363         {
1364                 /* try as tcltarget name */
1365                 for( target = all_targets ; target ; target++ ){
1366                   if( target->cmd_name ){
1367                         if( 0 == strcmp( args[0], target->cmd_name ) ){
1368                                 /* MATCH */
1369                                 goto Match;
1370                         }
1371                   }
1372                 }
1373                 /* no match, try as number */
1374
1375                 int num = strtoul(args[0], &cp, 0 );
1376                 if( *cp != 0 ){
1377                         /* then it was not a number */
1378                         command_print( cmd_ctx, "Target: %s unknown, try one of:\n", args[0] );
1379                         goto DumpTargets;
1380                 }
1381
1382                 target = get_target_by_num( num );
1383                 if( target == NULL ){
1384                         command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0] );
1385                         goto DumpTargets;
1386                 }
1387         Match:
1388                 cmd_ctx->current_target = target->target_number;
1389                 return ERROR_OK;
1390         }
1391  DumpTargets:
1392
1393         command_print(cmd_ctx, "    CmdName    Type       Endian     ChainPos State     ");
1394         command_print(cmd_ctx, "--  ---------- ---------- ---------- -------- ----------");
1395         while (target)
1396         {
1397                 /* XX: abcdefghij abcdefghij abcdefghij abcdefghij */
1398                 command_print(cmd_ctx, "%2d: %-10s %-10s %-10s %8d %s",
1399                                           target->target_number,
1400                                           target->cmd_name,
1401                                           target->type->name,
1402                                           Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness )->name,
1403                                           target->chain_position,
1404                                           Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
1405                 target = target->next;
1406         }
1407
1408         return ERROR_OK;
1409 }
1410
1411
1412
1413 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1414 {
1415         int retval = ERROR_OK;
1416         target_t *target = NULL;
1417
1418         if ((argc < 4) || (argc > 5))
1419         {
1420                 return ERROR_COMMAND_SYNTAX_ERROR;
1421         }
1422
1423         target = get_target_by_num(strtoul(args[0], NULL, 0));
1424         if (!target)
1425         {
1426                 return ERROR_COMMAND_SYNTAX_ERROR;
1427         }
1428         target_free_all_working_areas(target);
1429
1430         target->working_area_phys = target->working_area_virt = strtoul(args[1], NULL, 0);
1431         if (argc == 5)
1432         {
1433                 target->working_area_virt = strtoul(args[4], NULL, 0);
1434         }
1435         target->working_area_size = strtoul(args[2], NULL, 0);
1436
1437         if (strcmp(args[3], "backup") == 0)
1438         {
1439                 target->backup_working_area = 1;
1440         }
1441         else if (strcmp(args[3], "nobackup") == 0)
1442         {
1443                 target->backup_working_area = 0;
1444         }
1445         else
1446         {
1447                 LOG_ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1448                 return ERROR_COMMAND_SYNTAX_ERROR;
1449         }
1450
1451         return retval;
1452 }
1453
1454
1455 // every 300ms we check for reset & powerdropout and issue a "reset halt" if
1456 // so.
1457
1458 static int powerDropout;
1459 static int srstAsserted;
1460
1461 static int runPowerRestore;
1462 static int runPowerDropout;
1463 static int runSrstAsserted;
1464 static int runSrstDeasserted;
1465
1466 static int sense_handler()
1467 {
1468         static int prevSrstAsserted = 0;
1469         static int prevPowerdropout = 0;
1470
1471         int retval;
1472         if ((retval=jtag_power_dropout(&powerDropout))!=ERROR_OK)
1473                 return retval;
1474
1475         int powerRestored;
1476         powerRestored = prevPowerdropout && !powerDropout;
1477         if (powerRestored)
1478         {
1479                 runPowerRestore = 1;
1480         }
1481
1482         long long current = timeval_ms();
1483         static long long lastPower = 0;
1484         int waitMore = lastPower + 2000 > current;
1485         if (powerDropout && !waitMore)
1486         {
1487                 runPowerDropout = 1;
1488                 lastPower = current;
1489         }
1490
1491         if ((retval=jtag_srst_asserted(&srstAsserted))!=ERROR_OK)
1492                 return retval;
1493
1494         int srstDeasserted;
1495         srstDeasserted = prevSrstAsserted && !srstAsserted;
1496
1497         static long long lastSrst = 0;
1498         waitMore = lastSrst + 2000 > current;
1499         if (srstDeasserted && !waitMore)
1500         {
1501                 runSrstDeasserted = 1;
1502                 lastSrst = current;
1503         }
1504
1505         if (!prevSrstAsserted && srstAsserted)
1506         {
1507                 runSrstAsserted = 1;
1508         }
1509
1510         prevSrstAsserted = srstAsserted;
1511         prevPowerdropout = powerDropout;
1512
1513         if (srstDeasserted || powerRestored)
1514         {
1515                 /* Other than logging the event we can't do anything here.
1516                  * Issuing a reset is a particularly bad idea as we might
1517                  * be inside a reset already.
1518                  */
1519         }
1520
1521         return ERROR_OK;
1522 }
1523
1524
1525 /* process target state changes */
1526 int handle_target(void *priv)
1527 {
1528         int retval = ERROR_OK;
1529
1530         /* we do not want to recurse here... */
1531         static int recursive = 0;
1532         if (! recursive)
1533         {
1534                 recursive = 1;
1535                 sense_handler();
1536                 /* danger! running these procedures can trigger srst assertions and power dropouts.
1537                  * We need to avoid an infinite loop/recursion here and we do that by
1538                  * clearing the flags after running these events.
1539                  */
1540                 int did_something = 0;
1541                 if (runSrstAsserted)
1542                 {
1543                         Jim_Eval( interp, "srst_asserted");
1544                         did_something = 1;
1545                 }
1546                 if (runSrstDeasserted)
1547                 {
1548                         Jim_Eval( interp, "srst_deasserted");
1549                         did_something = 1;
1550                 }
1551                 if (runPowerDropout)
1552                 {
1553                         Jim_Eval( interp, "power_dropout");
1554                         did_something = 1;
1555                 }
1556                 if (runPowerRestore)
1557                 {
1558                         Jim_Eval( interp, "power_restore");
1559                         did_something = 1;
1560                 }
1561
1562                 if (did_something)
1563                 {
1564                         /* clear detect flags */
1565                         sense_handler();
1566                 }
1567
1568                 /* clear action flags */
1569
1570                 runSrstAsserted=0;
1571                 runSrstDeasserted=0;
1572                 runPowerRestore=0;
1573                 runPowerDropout=0;
1574
1575                 recursive = 0;
1576         }
1577
1578         target_t *target = all_targets;
1579
1580         while (target)
1581         {
1582
1583                 /* only poll target if we've got power and srst isn't asserted */
1584                 if (target_continous_poll&&!powerDropout&&!srstAsserted)
1585                 {
1586                         /* polling may fail silently until the target has been examined */
1587                         if((retval = target_poll(target)) != ERROR_OK)
1588                                 return retval;
1589                 }
1590
1591                 target = target->next;
1592         }
1593
1594
1595         return retval;
1596 }
1597
1598 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1599 {
1600         target_t *target;
1601         reg_t *reg = NULL;
1602         int count = 0;
1603         char *value;
1604
1605         LOG_DEBUG("-");
1606
1607         target = get_current_target(cmd_ctx);
1608
1609         /* list all available registers for the current target */
1610         if (argc == 0)
1611         {
1612                 reg_cache_t *cache = target->reg_cache;
1613
1614                 count = 0;
1615                 while(cache)
1616                 {
1617                         int i;
1618                         for (i = 0; i < cache->num_regs; i++)
1619                         {
1620                                 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1621                                 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);
1622                                 free(value);
1623                         }
1624                         cache = cache->next;
1625                 }
1626
1627                 return ERROR_OK;
1628         }
1629
1630         /* access a single register by its ordinal number */
1631         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1632         {
1633                 int num = strtoul(args[0], NULL, 0);
1634                 reg_cache_t *cache = target->reg_cache;
1635
1636                 count = 0;
1637                 while(cache)
1638                 {
1639                         int i;
1640                         for (i = 0; i < cache->num_regs; i++)
1641                         {
1642                                 if (count++ == num)
1643                                 {
1644                                         reg = &cache->reg_list[i];
1645                                         break;
1646                                 }
1647                         }
1648                         if (reg)
1649                                 break;
1650                         cache = cache->next;
1651                 }
1652
1653                 if (!reg)
1654                 {
1655                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1656                         return ERROR_OK;
1657                 }
1658         } else /* access a single register by its name */
1659         {
1660                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1661
1662                 if (!reg)
1663                 {
1664                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1665                         return ERROR_OK;
1666                 }
1667         }
1668
1669         /* display a register */
1670         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1671         {
1672                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1673                         reg->valid = 0;
1674
1675                 if (reg->valid == 0)
1676                 {
1677                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1678                         arch_type->get(reg);
1679                 }
1680                 value = buf_to_str(reg->value, reg->size, 16);
1681                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1682                 free(value);
1683                 return ERROR_OK;
1684         }
1685
1686         /* set register value */
1687         if (argc == 2)
1688         {
1689                 u8 *buf = malloc(CEIL(reg->size, 8));
1690                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1691
1692                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1693                 arch_type->set(reg, buf);
1694
1695                 value = buf_to_str(reg->value, reg->size, 16);
1696                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1697                 free(value);
1698
1699                 free(buf);
1700
1701                 return ERROR_OK;
1702         }
1703
1704         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1705
1706         return ERROR_OK;
1707 }
1708
1709
1710 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1711 {
1712         int retval = ERROR_OK;
1713         target_t *target = get_current_target(cmd_ctx);
1714
1715         if (argc == 0)
1716         {
1717                 if((retval = target_poll(target)) != ERROR_OK)
1718                         return retval;
1719                 if((retval = target_arch_state(target)) != ERROR_OK)
1720                         return retval;
1721
1722         }
1723         else if (argc==1)
1724         {
1725                 if (strcmp(args[0], "on") == 0)
1726                 {
1727                         target_continous_poll = 1;
1728                 }
1729                 else if (strcmp(args[0], "off") == 0)
1730                 {
1731                         target_continous_poll = 0;
1732                 }
1733                 else
1734                 {
1735                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1736                 }
1737         } else
1738         {
1739                 return ERROR_COMMAND_SYNTAX_ERROR;
1740         }
1741
1742
1743         return retval;
1744 }
1745
1746 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1747 {
1748         int ms = 5000;
1749
1750         if (argc > 0)
1751         {
1752                 char *end;
1753
1754                 ms = strtoul(args[0], &end, 0) * 1000;
1755                 if (*end)
1756                 {
1757                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1758                         return ERROR_OK;
1759                 }
1760         }
1761         target_t *target = get_current_target(cmd_ctx);
1762
1763         return target_wait_state(target, TARGET_HALTED, ms);
1764 }
1765
1766 int target_wait_state(target_t *target, enum target_state state, int ms)
1767 {
1768         int retval;
1769         struct timeval timeout, now;
1770         int once=1;
1771         gettimeofday(&timeout, NULL);
1772         timeval_add_time(&timeout, 0, ms * 1000);
1773
1774         for (;;)
1775         {
1776                 if ((retval=target_poll(target))!=ERROR_OK)
1777                         return retval;
1778                 keep_alive();
1779                 if (target->state == state)
1780                 {
1781                         break;
1782                 }
1783                 if (once)
1784                 {
1785                         once=0;
1786                         LOG_DEBUG("waiting for target %s...",
1787                               Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1788                 }
1789
1790                 gettimeofday(&now, NULL);
1791                 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1792                 {
1793                         LOG_ERROR("timed out while waiting for target %s",
1794                               Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1795                         return ERROR_FAIL;
1796                 }
1797         }
1798
1799         return ERROR_OK;
1800 }
1801
1802 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1803 {
1804         int retval;
1805         target_t *target = get_current_target(cmd_ctx);
1806
1807         LOG_DEBUG("-");
1808
1809         if ((retval = target_halt(target)) != ERROR_OK)
1810         {
1811                 return retval;
1812         }
1813
1814         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1815 }
1816
1817 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1818 {
1819         target_t *target = get_current_target(cmd_ctx);
1820
1821         LOG_USER("requesting target halt and executing a soft reset");
1822
1823         target->type->soft_reset_halt(target);
1824
1825         return ERROR_OK;
1826 }
1827
1828 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1829 {
1830         const Jim_Nvp *n;
1831         enum target_reset_mode reset_mode = RESET_RUN;
1832
1833         if (argc >= 1)
1834         {
1835                 n = Jim_Nvp_name2value_simple( nvp_reset_modes, args[0] );
1836                 if( (n->name == NULL) || (n->value == RESET_UNKNOWN) ){
1837                         return ERROR_COMMAND_SYNTAX_ERROR;
1838                 }
1839                 reset_mode = n->value;
1840         }
1841
1842         /* reset *all* targets */
1843         return target_process_reset(cmd_ctx, reset_mode);
1844 }
1845
1846
1847 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1848 {
1849         int retval;
1850         target_t *target = get_current_target(cmd_ctx);
1851
1852         target_handle_event( target, TARGET_EVENT_OLD_pre_resume );
1853
1854         if (argc == 0)
1855                 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1856         else if (argc == 1)
1857                 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1858         else
1859         {
1860                 retval = ERROR_COMMAND_SYNTAX_ERROR;
1861         }
1862
1863         return retval;
1864 }
1865
1866 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1867 {
1868         target_t *target = get_current_target(cmd_ctx);
1869
1870         LOG_DEBUG("-");
1871
1872         if (argc == 0)
1873                 return target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1874
1875         if (argc == 1)
1876                 return target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1877
1878         return ERROR_OK;
1879 }
1880
1881 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1882 {
1883         const int line_bytecnt = 32;
1884         int count = 1;
1885         int size = 4;
1886         u32 address = 0;
1887         int line_modulo;
1888         int i;
1889
1890         char output[128];
1891         int output_len;
1892
1893         int retval;
1894
1895         u8 *buffer;
1896         target_t *target = get_current_target(cmd_ctx);
1897
1898         if (argc < 1)
1899                 return ERROR_OK;
1900
1901         if (argc == 2)
1902                 count = strtoul(args[1], NULL, 0);
1903
1904         address = strtoul(args[0], NULL, 0);
1905
1906
1907         switch (cmd[2])
1908         {
1909                 case 'w':
1910                         size = 4; line_modulo = line_bytecnt / 4;
1911                         break;
1912                 case 'h':
1913                         size = 2; line_modulo = line_bytecnt / 2;
1914                         break;
1915                 case 'b':
1916                         size = 1; line_modulo = line_bytecnt / 1;
1917                         break;
1918                 default:
1919                         return ERROR_OK;
1920         }
1921
1922         buffer = calloc(count, size);
1923         retval  = target->type->read_memory(target, address, size, count, buffer);
1924         if (retval == ERROR_OK)
1925         {
1926                 output_len = 0;
1927
1928                 for (i = 0; i < count; i++)
1929                 {
1930                         if (i%line_modulo == 0)
1931                                 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1932
1933                         switch (size)
1934                         {
1935                                 case 4:
1936                                         output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1937                                         break;
1938                                 case 2:
1939                                         output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1940                                         break;
1941                                 case 1:
1942                                         output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1943                                         break;
1944                         }
1945
1946                         if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1947                         {
1948                                 command_print(cmd_ctx, output);
1949                                 output_len = 0;
1950                         }
1951                 }
1952         }
1953
1954         free(buffer);
1955
1956         return retval;
1957 }
1958
1959 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1960 {
1961         u32 address = 0;
1962         u32 value = 0;
1963         int count = 1;
1964         int i;
1965         int wordsize;
1966         target_t *target = get_current_target(cmd_ctx);
1967         u8 value_buf[4];
1968
1969          if ((argc < 2) || (argc > 3))
1970                 return ERROR_COMMAND_SYNTAX_ERROR;
1971
1972         address = strtoul(args[0], NULL, 0);
1973         value = strtoul(args[1], NULL, 0);
1974         if (argc == 3)
1975                 count = strtoul(args[2], NULL, 0);
1976
1977         switch (cmd[2])
1978         {
1979                 case 'w':
1980                         wordsize = 4;
1981                         target_buffer_set_u32(target, value_buf, value);
1982                         break;
1983                 case 'h':
1984                         wordsize = 2;
1985                         target_buffer_set_u16(target, value_buf, value);
1986                         break;
1987                 case 'b':
1988                         wordsize = 1;
1989                         value_buf[0] = value;
1990                         break;
1991                 default:
1992                         return ERROR_COMMAND_SYNTAX_ERROR;
1993         }
1994         for (i=0; i<count; i++)
1995         {
1996                 int retval;
1997                 switch (wordsize)
1998                 {
1999                         case 4:
2000                                 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
2001                                 break;
2002                         case 2:
2003                                 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
2004                                 break;
2005                         case 1:
2006                                 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
2007                         break;
2008                         default:
2009                         return ERROR_OK;
2010                 }
2011                 keep_alive();
2012
2013                 if (retval!=ERROR_OK)
2014                 {
2015                         return retval;
2016                 }
2017         }
2018
2019         return ERROR_OK;
2020
2021 }
2022
2023 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2024 {
2025         u8 *buffer;
2026         u32 buf_cnt;
2027         u32 image_size;
2028         u32 min_address=0;
2029         u32 max_address=0xffffffff;
2030         int i;
2031         int retval, retvaltemp;
2032
2033         image_t image;
2034
2035         duration_t duration;
2036         char *duration_text;
2037
2038         target_t *target = get_current_target(cmd_ctx);
2039
2040         if ((argc < 1)||(argc > 5))
2041         {
2042                 return ERROR_COMMAND_SYNTAX_ERROR;
2043         }
2044
2045         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2046         if (argc >= 2)
2047         {
2048                 image.base_address_set = 1;
2049                 image.base_address = strtoul(args[1], NULL, 0);
2050         }
2051         else
2052         {
2053                 image.base_address_set = 0;
2054         }
2055
2056
2057         image.start_address_set = 0;
2058
2059         if (argc>=4)
2060         {
2061                 min_address=strtoul(args[3], NULL, 0);
2062         }
2063         if (argc>=5)
2064         {
2065                 max_address=strtoul(args[4], NULL, 0)+min_address;
2066         }
2067
2068         if (min_address>max_address)
2069         {
2070                 return ERROR_COMMAND_SYNTAX_ERROR;
2071         }
2072
2073
2074         duration_start_measure(&duration);
2075
2076         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2077         {
2078                 return ERROR_OK;
2079         }
2080
2081         image_size = 0x0;
2082         retval = ERROR_OK;
2083         for (i = 0; i < image.num_sections; i++)
2084         {
2085                 buffer = malloc(image.sections[i].size);
2086                 if (buffer == NULL)
2087                 {
2088                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2089                         break;
2090                 }
2091
2092                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2093                 {
2094                         free(buffer);
2095                         break;
2096                 }
2097
2098                 u32 offset=0;
2099                 u32 length=buf_cnt;
2100
2101
2102                 /* DANGER!!! beware of unsigned comparision here!!! */
2103
2104                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
2105                                 (image.sections[i].base_address<max_address))
2106                 {
2107                         if (image.sections[i].base_address<min_address)
2108                         {
2109                                 /* clip addresses below */
2110                                 offset+=min_address-image.sections[i].base_address;
2111                                 length-=offset;
2112                         }
2113
2114                         if (image.sections[i].base_address+buf_cnt>max_address)
2115                         {
2116                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
2117                         }
2118
2119                         if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
2120                         {
2121                                 free(buffer);
2122                                 break;
2123                         }
2124                         image_size += length;
2125                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
2126                 }
2127
2128                 free(buffer);
2129         }
2130
2131         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2132         {
2133                 image_close(&image);
2134                 return retvaltemp;
2135         }
2136
2137         if (retval==ERROR_OK)
2138         {
2139                 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2140         }
2141         free(duration_text);
2142
2143         image_close(&image);
2144
2145         return retval;
2146
2147 }
2148
2149 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2150 {
2151         fileio_t fileio;
2152
2153         u32 address;
2154         u32 size;
2155         u8 buffer[560];
2156         int retval=ERROR_OK, retvaltemp;
2157
2158         duration_t duration;
2159         char *duration_text;
2160
2161         target_t *target = get_current_target(cmd_ctx);
2162
2163         if (argc != 3)
2164         {
2165                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2166                 return ERROR_OK;
2167         }
2168
2169         address = strtoul(args[1], NULL, 0);
2170         size = strtoul(args[2], NULL, 0);
2171
2172         if ((address & 3) || (size & 3))
2173         {
2174                 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2175                 return ERROR_OK;
2176         }
2177
2178         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2179         {
2180                 return ERROR_OK;
2181         }
2182
2183         duration_start_measure(&duration);
2184
2185         while (size > 0)
2186         {
2187                 u32 size_written;
2188                 u32 this_run_size = (size > 560) ? 560 : size;
2189
2190                 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2191                 if (retval != ERROR_OK)
2192                 {
2193                         break;
2194                 }
2195
2196                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2197                 if (retval != ERROR_OK)
2198                 {
2199                         break;
2200                 }
2201
2202                 size -= this_run_size;
2203                 address += this_run_size;
2204         }
2205
2206         if((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2207                 return retvaltemp;
2208
2209         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2210                 return retvaltemp;
2211
2212         if (retval==ERROR_OK)
2213         {
2214                 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2215         }
2216         free(duration_text);
2217
2218         return ERROR_OK;
2219 }
2220
2221 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2222 {
2223         u8 *buffer;
2224         u32 buf_cnt;
2225         u32 image_size;
2226         int i;
2227         int retval, retvaltemp;
2228         u32 checksum = 0;
2229         u32 mem_checksum = 0;
2230
2231         image_t image;
2232
2233         duration_t duration;
2234         char *duration_text;
2235
2236         target_t *target = get_current_target(cmd_ctx);
2237
2238         if (argc < 1)
2239         {
2240                 return ERROR_COMMAND_SYNTAX_ERROR;
2241         }
2242
2243         if (!target)
2244         {
2245                 LOG_ERROR("no target selected");
2246                 return ERROR_FAIL;
2247         }
2248
2249         duration_start_measure(&duration);
2250
2251         if (argc >= 2)
2252         {
2253                 image.base_address_set = 1;
2254                 image.base_address = strtoul(args[1], NULL, 0);
2255         }
2256         else
2257         {
2258                 image.base_address_set = 0;
2259                 image.base_address = 0x0;
2260         }
2261
2262         image.start_address_set = 0;
2263
2264         if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2265         {
2266                 return retval;
2267         }
2268
2269         image_size = 0x0;
2270         retval=ERROR_OK;
2271         for (i = 0; i < image.num_sections; i++)
2272         {
2273                 buffer = malloc(image.sections[i].size);
2274                 if (buffer == NULL)
2275                 {
2276                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2277                         break;
2278                 }
2279                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2280                 {
2281                         free(buffer);
2282                         break;
2283                 }
2284
2285                 /* calculate checksum of image */
2286                 image_calculate_checksum( buffer, buf_cnt, &checksum );
2287
2288                 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2289                 if( retval != ERROR_OK )
2290                 {
2291                         free(buffer);
2292                         break;
2293                 }
2294
2295                 if( checksum != mem_checksum )
2296                 {
2297                         /* failed crc checksum, fall back to a binary compare */
2298                         u8 *data;
2299
2300                         command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2301
2302                         data = (u8*)malloc(buf_cnt);
2303
2304                         /* Can we use 32bit word accesses? */
2305                         int size = 1;
2306                         int count = buf_cnt;
2307                         if ((count % 4) == 0)
2308                         {
2309                                 size *= 4;
2310                                 count /= 4;
2311                         }
2312                         retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2313                         if (retval == ERROR_OK)
2314                         {
2315                                 int t;
2316                                 for (t = 0; t < buf_cnt; t++)
2317                                 {
2318                                         if (data[t] != buffer[t])
2319                                         {
2320                                                 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]);
2321                                                 free(data);
2322                                                 free(buffer);
2323                                                 retval=ERROR_FAIL;
2324                                                 goto done;
2325                                         }
2326                                         if ((t%16384)==0)
2327                                         {
2328                                                 keep_alive();
2329                                         }
2330                                 }
2331                         }
2332
2333                         free(data);
2334                 }
2335
2336                 free(buffer);
2337                 image_size += buf_cnt;
2338         }
2339 done:
2340
2341         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2342         {
2343                 image_close(&image);
2344                 return retvaltemp;
2345         }
2346
2347         if (retval==ERROR_OK)
2348         {
2349                 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2350         }
2351         free(duration_text);
2352
2353         image_close(&image);
2354
2355         return retval;
2356 }
2357
2358 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2359 {
2360         int retval;
2361         target_t *target = get_current_target(cmd_ctx);
2362
2363         if (argc == 0)
2364         {
2365                 breakpoint_t *breakpoint = target->breakpoints;
2366
2367                 while (breakpoint)
2368                 {
2369                         if (breakpoint->type == BKPT_SOFT)
2370                         {
2371                                 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2372                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2373                                 free(buf);
2374                         }
2375                         else
2376                         {
2377                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2378                         }
2379                         breakpoint = breakpoint->next;
2380                 }
2381         }
2382         else if (argc >= 2)
2383         {
2384                 int hw = BKPT_SOFT;
2385                 u32 length = 0;
2386
2387                 length = strtoul(args[1], NULL, 0);
2388
2389                 if (argc >= 3)
2390                         if (strcmp(args[2], "hw") == 0)
2391                                 hw = BKPT_HARD;
2392
2393                 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2394                 {
2395                         LOG_ERROR("Failure setting breakpoints");
2396                 }
2397                 else
2398                 {
2399                         command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2400                 }
2401         }
2402         else
2403         {
2404                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2405         }
2406
2407         return ERROR_OK;
2408 }
2409
2410 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2411 {
2412         target_t *target = get_current_target(cmd_ctx);
2413
2414         if (argc > 0)
2415                 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2416
2417         return ERROR_OK;
2418 }
2419
2420 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2421 {
2422         target_t *target = get_current_target(cmd_ctx);
2423         int retval;
2424
2425         if (argc == 0)
2426         {
2427                 watchpoint_t *watchpoint = target->watchpoints;
2428
2429                 while (watchpoint)
2430                 {
2431                         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);
2432                         watchpoint = watchpoint->next;
2433                 }
2434         }
2435         else if (argc >= 2)
2436         {
2437                 enum watchpoint_rw type = WPT_ACCESS;
2438                 u32 data_value = 0x0;
2439                 u32 data_mask = 0xffffffff;
2440
2441                 if (argc >= 3)
2442                 {
2443                         switch(args[2][0])
2444                         {
2445                                 case 'r':
2446                                         type = WPT_READ;
2447                                         break;
2448                                 case 'w':
2449                                         type = WPT_WRITE;
2450                                         break;
2451                                 case 'a':
2452                                         type = WPT_ACCESS;
2453                                         break;
2454                                 default:
2455                                         command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2456                                         return ERROR_OK;
2457                         }
2458                 }
2459                 if (argc >= 4)
2460                 {
2461                         data_value = strtoul(args[3], NULL, 0);
2462                 }
2463                 if (argc >= 5)
2464                 {
2465                         data_mask = strtoul(args[4], NULL, 0);
2466                 }
2467
2468                 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2469                                 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2470                 {
2471                         LOG_ERROR("Failure setting breakpoints");
2472                 }
2473         }
2474         else
2475         {
2476                 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2477         }
2478
2479         return ERROR_OK;
2480 }
2481
2482 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2483 {
2484         target_t *target = get_current_target(cmd_ctx);
2485
2486         if (argc > 0)
2487                 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2488
2489         return ERROR_OK;
2490 }
2491
2492 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2493 {
2494         int retval;
2495         target_t *target = get_current_target(cmd_ctx);
2496         u32 va;
2497         u32 pa;
2498
2499         if (argc != 1)
2500         {
2501                 return ERROR_COMMAND_SYNTAX_ERROR;
2502         }
2503         va = strtoul(args[0], NULL, 0);
2504
2505         retval = target->type->virt2phys(target, va, &pa);
2506         if (retval == ERROR_OK)
2507         {
2508                 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2509         }
2510         else
2511         {
2512                 /* lower levels will have logged a detailed error which is
2513                  * forwarded to telnet/GDB session.
2514                  */
2515         }
2516         return retval;
2517 }
2518 static void writeLong(FILE *f, int l)
2519 {
2520         int i;
2521         for (i=0; i<4; i++)
2522         {
2523                 char c=(l>>(i*8))&0xff;
2524                 fwrite(&c, 1, 1, f);
2525         }
2526
2527 }
2528 static void writeString(FILE *f, char *s)
2529 {
2530         fwrite(s, 1, strlen(s), f);
2531 }
2532
2533
2534
2535 // Dump a gmon.out histogram file.
2536 static void writeGmon(u32 *samples, int sampleNum, char *filename)
2537 {
2538         int i;
2539         FILE *f=fopen(filename, "w");
2540         if (f==NULL)
2541                 return;
2542         fwrite("gmon", 1, 4, f);
2543         writeLong(f, 0x00000001); // Version
2544         writeLong(f, 0); // padding
2545         writeLong(f, 0); // padding
2546         writeLong(f, 0); // padding
2547
2548         fwrite("", 1, 1, f);  // GMON_TAG_TIME_HIST
2549
2550         // figure out bucket size
2551         u32 min=samples[0];
2552         u32 max=samples[0];
2553         for (i=0; i<sampleNum; i++)
2554         {
2555                 if (min>samples[i])
2556                 {
2557                         min=samples[i];
2558                 }
2559                 if (max<samples[i])
2560                 {
2561                         max=samples[i];
2562                 }
2563         }
2564
2565         int addressSpace=(max-min+1);
2566
2567         static int const maxBuckets=256*1024; // maximum buckets.
2568         int length=addressSpace;
2569         if (length > maxBuckets)
2570         {
2571                 length=maxBuckets;
2572         }
2573         int *buckets=malloc(sizeof(int)*length);
2574         if (buckets==NULL)
2575         {
2576                 fclose(f);
2577                 return;
2578         }
2579         memset(buckets, 0, sizeof(int)*length);
2580         for (i=0; i<sampleNum;i++)
2581         {
2582                 u32 address=samples[i];
2583                 long long a=address-min;
2584                 long long b=length-1;
2585                 long long c=addressSpace-1;
2586                 int index=(a*b)/c; // danger!!!! int32 overflows
2587                 buckets[index]++;
2588         }
2589
2590         //                         append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr))
2591         writeLong(f, min);                                      // low_pc
2592         writeLong(f, max);              // high_pc
2593         writeLong(f, length);           // # of samples
2594         writeLong(f, 64000000);                         // 64MHz
2595         writeString(f, "seconds");
2596         for (i=0; i<(15-strlen("seconds")); i++)
2597         {
2598                 fwrite("", 1, 1, f);  // padding
2599         }
2600         writeString(f, "s");
2601
2602 //                         append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size)
2603
2604         char *data=malloc(2*length);
2605         if (data!=NULL)
2606         {
2607                 for (i=0; i<length;i++)
2608                 {
2609                         int val;
2610                         val=buckets[i];
2611                         if (val>65535)
2612                         {
2613                                 val=65535;
2614                         }
2615                         data[i*2]=val&0xff;
2616                         data[i*2+1]=(val>>8)&0xff;
2617                 }
2618                 free(buckets);
2619                 fwrite(data, 1, length*2, f);
2620                 free(data);
2621         } else
2622         {
2623                 free(buckets);
2624         }
2625
2626         fclose(f);
2627 }
2628
2629 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2630 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2631 {
2632         target_t *target = get_current_target(cmd_ctx);
2633         struct timeval timeout, now;
2634
2635         gettimeofday(&timeout, NULL);
2636         if (argc!=2)
2637         {
2638                 return ERROR_COMMAND_SYNTAX_ERROR;
2639         }
2640         char *end;
2641         timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2642         if (*end)
2643         {
2644                 return ERROR_OK;
2645         }
2646
2647         command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2648
2649         static const int maxSample=10000;
2650         u32 *samples=malloc(sizeof(u32)*maxSample);
2651         if (samples==NULL)
2652                 return ERROR_OK;
2653
2654         int numSamples=0;
2655         int retval=ERROR_OK;
2656         // hopefully it is safe to cache! We want to stop/restart as quickly as possible.
2657         reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2658
2659         for (;;)
2660         {
2661                 target_poll(target);
2662                 if (target->state == TARGET_HALTED)
2663                 {
2664                         u32 t=*((u32 *)reg->value);
2665                         samples[numSamples++]=t;
2666                         retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2667                         target_poll(target);
2668                         alive_sleep(10); // sleep 10ms, i.e. <100 samples/second.
2669                 } else if (target->state == TARGET_RUNNING)
2670                 {
2671                         // We want to quickly sample the PC.
2672                         if((retval = target_halt(target)) != ERROR_OK)
2673                         {
2674                                 free(samples);
2675                                 return retval;
2676                         }
2677                 } else
2678                 {
2679                         command_print(cmd_ctx, "Target not halted or running");
2680                         retval=ERROR_OK;
2681                         break;
2682                 }
2683                 if (retval!=ERROR_OK)
2684                 {
2685                         break;
2686                 }
2687
2688                 gettimeofday(&now, NULL);
2689                 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2690                 {
2691                         command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2692                         if((retval = target_poll(target)) != ERROR_OK)
2693                         {
2694                                 free(samples);
2695                                 return retval;
2696                         }
2697                         if (target->state == TARGET_HALTED)
2698                         {
2699                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2700                         }
2701                         if((retval = target_poll(target)) != ERROR_OK)
2702                         {
2703                                 free(samples);
2704                                 return retval;
2705                         }
2706                         writeGmon(samples, numSamples, args[1]);
2707                         command_print(cmd_ctx, "Wrote %s", args[1]);
2708                         break;
2709                 }
2710         }
2711         free(samples);
2712
2713         return ERROR_OK;
2714 }
2715
2716 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2717 {
2718         char *namebuf;
2719         Jim_Obj *nameObjPtr, *valObjPtr;
2720         int result;
2721
2722         namebuf = alloc_printf("%s(%d)", varname, idx);
2723         if (!namebuf)
2724                 return JIM_ERR;
2725
2726         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2727         valObjPtr = Jim_NewIntObj(interp, val);
2728         if (!nameObjPtr || !valObjPtr)
2729         {
2730                 free(namebuf);
2731                 return JIM_ERR;
2732         }
2733
2734         Jim_IncrRefCount(nameObjPtr);
2735         Jim_IncrRefCount(valObjPtr);
2736         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2737         Jim_DecrRefCount(interp, nameObjPtr);
2738         Jim_DecrRefCount(interp, valObjPtr);
2739         free(namebuf);
2740         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2741         return result;
2742 }
2743
2744 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2745 {
2746         command_context_t *context;
2747         target_t *target;
2748
2749         context = Jim_GetAssocData(interp, "context");
2750         if (context == NULL)
2751         {
2752                 LOG_ERROR("mem2array: no command context");
2753                 return JIM_ERR;
2754         }
2755         target = get_current_target(context);
2756         if (target == NULL)
2757         {
2758                 LOG_ERROR("mem2array: no current target");
2759                 return JIM_ERR;
2760         }
2761
2762         return  target_mem2array(interp, target, argc,argv);
2763 }
2764
2765 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2766 {
2767         long l;
2768         u32 width;
2769         int len;
2770         u32 addr;
2771         u32 count;
2772         u32 v;
2773         const char *varname;
2774         u8 buffer[4096];
2775         int  i, n, e, retval;
2776
2777         /* argv[1] = name of array to receive the data
2778          * argv[2] = desired width
2779          * argv[3] = memory address
2780          * argv[4] = count of times to read
2781          */
2782         if (argc != 5) {
2783                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2784                 return JIM_ERR;
2785         }
2786         varname = Jim_GetString(argv[1], &len);
2787         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2788
2789         e = Jim_GetLong(interp, argv[2], &l);
2790         width = l;
2791         if (e != JIM_OK) {
2792                 return e;
2793         }
2794
2795         e = Jim_GetLong(interp, argv[3], &l);
2796         addr = l;
2797         if (e != JIM_OK) {
2798                 return e;
2799         }
2800         e = Jim_GetLong(interp, argv[4], &l);
2801         len = l;
2802         if (e != JIM_OK) {
2803                 return e;
2804         }
2805         switch (width) {
2806                 case 8:
2807                         width = 1;
2808                         break;
2809                 case 16:
2810                         width = 2;
2811                         break;
2812                 case 32:
2813                         width = 4;
2814                         break;
2815                 default:
2816                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2817                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2818                         return JIM_ERR;
2819         }
2820         if (len == 0) {
2821                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2822                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2823                 return JIM_ERR;
2824         }
2825         if ((addr + (len * width)) < addr) {
2826                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2827                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2828                 return JIM_ERR;
2829         }
2830         /* absurd transfer size? */
2831         if (len > 65536) {
2832                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2833                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2834                 return JIM_ERR;
2835         }
2836
2837         if ((width == 1) ||
2838                 ((width == 2) && ((addr & 1) == 0)) ||
2839                 ((width == 4) && ((addr & 3) == 0))) {
2840                 /* all is well */
2841         } else {
2842                 char buf[100];
2843                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2844                 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2845                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2846                 return JIM_ERR;
2847         }
2848
2849         /* Transfer loop */
2850
2851         /* index counter */
2852         n = 0;
2853         /* assume ok */
2854         e = JIM_OK;
2855         while (len) {
2856                 /* Slurp... in buffer size chunks */
2857
2858                 count = len; /* in objects.. */
2859                 if (count > (sizeof(buffer)/width)) {
2860                         count = (sizeof(buffer)/width);
2861                 }
2862
2863                 retval = target->type->read_memory( target, addr, width, count, buffer );
2864                 if (retval != ERROR_OK) {
2865                         /* BOO !*/
2866                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2867                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2868                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2869                         e = JIM_ERR;
2870                         len = 0;
2871                 } else {
2872                         v = 0; /* shut up gcc */
2873                         for (i = 0 ;i < count ;i++, n++) {
2874                                 switch (width) {
2875                                         case 4:
2876                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
2877                                                 break;
2878                                         case 2:
2879                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
2880                                                 break;
2881                                         case 1:
2882                                                 v = buffer[i] & 0x0ff;
2883                                                 break;
2884                                 }
2885                                 new_int_array_element(interp, varname, n, v);
2886                         }
2887                         len -= count;
2888                 }
2889         }
2890
2891         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2892
2893         return JIM_OK;
2894 }
2895
2896 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
2897 {
2898         char *namebuf;
2899         Jim_Obj *nameObjPtr, *valObjPtr;
2900         int result;
2901         long l;
2902
2903         namebuf = alloc_printf("%s(%d)", varname, idx);
2904         if (!namebuf)
2905                 return JIM_ERR;
2906
2907         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2908         if (!nameObjPtr)
2909         {
2910                 free(namebuf);
2911                 return JIM_ERR;
2912         }
2913
2914         Jim_IncrRefCount(nameObjPtr);
2915         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
2916         Jim_DecrRefCount(interp, nameObjPtr);
2917         free(namebuf);
2918         if (valObjPtr == NULL)
2919                 return JIM_ERR;
2920
2921         result = Jim_GetLong(interp, valObjPtr, &l);
2922         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
2923         *val = l;
2924         return result;
2925 }
2926
2927 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2928 {
2929         command_context_t *context;
2930         target_t *target;
2931
2932         context = Jim_GetAssocData(interp, "context");
2933         if (context == NULL){
2934                 LOG_ERROR("array2mem: no command context");
2935                 return JIM_ERR;
2936         }
2937         target = get_current_target(context);
2938         if (target == NULL){
2939                 LOG_ERROR("array2mem: no current target");
2940                 return JIM_ERR;
2941         }
2942
2943         return target_array2mem( interp,target, argc, argv );
2944 }
2945
2946
2947 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2948 {
2949         long l;
2950         u32 width;
2951         int len;
2952         u32 addr;
2953         u32 count;
2954         u32 v;
2955         const char *varname;
2956         u8 buffer[4096];
2957         int  i, n, e, retval;
2958
2959         /* argv[1] = name of array to get the data
2960          * argv[2] = desired width
2961          * argv[3] = memory address
2962          * argv[4] = count to write
2963          */
2964         if (argc != 5) {
2965                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2966                 return JIM_ERR;
2967         }
2968         varname = Jim_GetString(argv[1], &len);
2969         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2970
2971         e = Jim_GetLong(interp, argv[2], &l);
2972         width = l;
2973         if (e != JIM_OK) {
2974                 return e;
2975         }
2976
2977         e = Jim_GetLong(interp, argv[3], &l);
2978         addr = l;
2979         if (e != JIM_OK) {
2980                 return e;
2981         }
2982         e = Jim_GetLong(interp, argv[4], &l);
2983         len = l;
2984         if (e != JIM_OK) {
2985                 return e;
2986         }
2987         switch (width) {
2988                 case 8:
2989                         width = 1;
2990                         break;
2991                 case 16:
2992                         width = 2;
2993                         break;
2994                 case 32:
2995                         width = 4;
2996                         break;
2997                 default:
2998                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2999                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
3000                         return JIM_ERR;
3001         }
3002         if (len == 0) {
3003                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3004                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
3005                 return JIM_ERR;
3006         }
3007         if ((addr + (len * width)) < addr) {
3008                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3009                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
3010                 return JIM_ERR;
3011         }
3012         /* absurd transfer size? */
3013         if (len > 65536) {
3014                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3015                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
3016                 return JIM_ERR;
3017         }
3018
3019         if ((width == 1) ||
3020                 ((width == 2) && ((addr & 1) == 0)) ||
3021                 ((width == 4) && ((addr & 3) == 0))) {
3022                 /* all is well */
3023         } else {
3024                 char buf[100];
3025                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3026                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
3027                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3028                 return JIM_ERR;
3029         }
3030
3031
3032         /* Transfer loop */
3033
3034         /* index counter */
3035         n = 0;
3036         /* assume ok */
3037         e = JIM_OK;
3038         while (len) {
3039                 /* Slurp... in buffer size chunks */
3040
3041                 count = len; /* in objects.. */
3042                 if (count > (sizeof(buffer)/width)) {
3043                         count = (sizeof(buffer)/width);
3044                 }
3045
3046                 v = 0; /* shut up gcc */
3047                 for (i = 0 ;i < count ;i++, n++) {
3048                         get_int_array_element(interp, varname, n, &v);
3049                         switch (width) {
3050                         case 4:
3051                                 target_buffer_set_u32(target, &buffer[i*width], v);
3052                                 break;
3053                         case 2:
3054                                 target_buffer_set_u16(target, &buffer[i*width], v);
3055                                 break;
3056                         case 1:
3057                                 buffer[i] = v & 0x0ff;
3058                                 break;
3059                         }
3060                 }
3061                 len -= count;
3062
3063                 retval = target->type->write_memory(target, addr, width, count, buffer);
3064                 if (retval != ERROR_OK) {
3065                         /* BOO !*/
3066                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
3067                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3068                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3069                         e = JIM_ERR;
3070                         len = 0;
3071                 }
3072         }
3073
3074         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3075
3076         return JIM_OK;
3077 }
3078
3079 void
3080 target_all_handle_event( enum target_event e )
3081 {
3082         target_t *target;
3083
3084
3085         LOG_DEBUG( "**all*targets: event: %d, %s",
3086                    e,
3087                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3088
3089         target = all_targets;
3090         while (target){
3091                 target_handle_event( target, e );
3092                 target = target->next;
3093         }
3094 }
3095
3096 void
3097 target_handle_event( target_t *target, enum target_event e )
3098 {
3099         target_event_action_t *teap;
3100         int done;
3101
3102         teap = target->event_action;
3103
3104         done = 0;
3105         while( teap ){
3106                 if( teap->event == e ){
3107                         done = 1;
3108                         LOG_DEBUG( "target: (%d) %s (%s) event: %d (%s) action: %s\n",
3109                                            target->target_number,
3110                                            target->cmd_name,
3111                                            target->type->name,
3112                                            e,
3113                                            Jim_Nvp_value2name_simple( nvp_target_event, e )->name,
3114                                            Jim_GetString( teap->body, NULL ) );
3115                         if (Jim_EvalObj( interp, teap->body )!=JIM_OK)
3116                         {
3117                                 Jim_PrintErrorMessage(interp);
3118                         }
3119                 }
3120                 teap = teap->next;
3121         }
3122         if( !done ){
3123                 LOG_DEBUG( "event: %d %s - no action",
3124                                    e,
3125                                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3126         }
3127 }
3128
3129 enum target_cfg_param {
3130         TCFG_TYPE,
3131         TCFG_EVENT,
3132         TCFG_WORK_AREA_VIRT,
3133         TCFG_WORK_AREA_PHYS,
3134         TCFG_WORK_AREA_SIZE,
3135         TCFG_WORK_AREA_BACKUP,
3136         TCFG_ENDIAN,
3137         TCFG_VARIANT,
3138         TCFG_CHAIN_POSITION,
3139 };
3140
3141
3142 static Jim_Nvp nvp_config_opts[] = {
3143         { .name = "-type",             .value = TCFG_TYPE },
3144         { .name = "-event",            .value = TCFG_EVENT },
3145         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3146         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3147         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3148         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3149         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3150         { .name = "-variant",          .value = TCFG_VARIANT },
3151         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3152
3153         { .name = NULL, .value = -1 }
3154 };
3155
3156
3157 static int
3158 target_configure( Jim_GetOptInfo *goi,
3159                                   target_t *target )
3160 {
3161         Jim_Nvp *n;
3162         Jim_Obj *o;
3163         jim_wide w;
3164         char *cp;
3165         int e;
3166
3167
3168         /* parse config or cget options ... */
3169         while( goi->argc > 0 ){
3170                 Jim_SetEmptyResult( goi->interp );
3171                 //Jim_GetOpt_Debug( goi );
3172
3173                 if( target->type->target_jim_configure ){
3174                         /* target defines a configure function */
3175                         /* target gets first dibs on parameters */
3176                         e = (*(target->type->target_jim_configure))( target, goi );
3177                         if( e == JIM_OK ){
3178                                 /* more? */
3179                                 continue;
3180                         }
3181                         if( e == JIM_ERR ){
3182                                 /* An error */
3183                                 return e;
3184                         }
3185                         /* otherwise we 'continue' below */
3186                 }
3187                 e = Jim_GetOpt_Nvp( goi, nvp_config_opts, &n );
3188                 if( e != JIM_OK ){
3189                         Jim_GetOpt_NvpUnknown( goi, nvp_config_opts, 0 );
3190                         return e;
3191                 }
3192                 switch( n->value ){
3193                 case TCFG_TYPE:
3194                         /* not setable */
3195                         if( goi->isconfigure ){
3196                                 Jim_SetResult_sprintf( goi->interp, "not setable: %s", n->name );
3197                                 return JIM_ERR;
3198                         } else {
3199                         no_params:
3200                                 if( goi->argc != 0 ){
3201                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "NO PARAMS");
3202                                         return JIM_ERR;
3203                                 }
3204                         }
3205                         Jim_SetResultString( goi->interp, target->type->name, -1 );
3206                         /* loop for more */
3207                         break;
3208                 case TCFG_EVENT:
3209                         if( goi->argc == 0 ){
3210                                 Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3211                                 return JIM_ERR;
3212                         }
3213
3214                         e = Jim_GetOpt_Nvp( goi, nvp_target_event, &n );
3215                         if( e != JIM_OK ){
3216                                 Jim_GetOpt_NvpUnknown( goi, nvp_target_event, 1 );
3217                                 return e;
3218                         }
3219
3220                         if( goi->isconfigure ){
3221                                 if( goi->argc != 1 ){
3222                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3223                                         return JIM_ERR;
3224                                 }
3225                         } else {
3226                                 if( goi->argc != 0 ){
3227                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3228                                         return JIM_ERR;
3229                                 }
3230                         }
3231
3232
3233                         {
3234                                 target_event_action_t *teap;
3235
3236                                 teap = target->event_action;
3237                                 /* replace existing? */
3238                                 while( teap ){
3239                                         if( teap->event == n->value ){
3240                                                 break;
3241                                         }
3242                                         teap = teap->next;
3243                                 }
3244
3245                                 if( goi->isconfigure ){
3246                                         if( teap == NULL ){
3247                                                 /* create new */
3248                                                 teap = calloc( 1, sizeof(*teap) );
3249                                         }
3250                                         teap->event = n->value;
3251                                         Jim_GetOpt_Obj( goi, &o );
3252                                         if( teap->body ){
3253                                                 Jim_DecrRefCount( interp, teap->body );
3254                                         }
3255                                         teap->body  = Jim_DuplicateObj( goi->interp, o );
3256                                         /*
3257                                          * FIXME:
3258                                          *     Tcl/TK - "tk events" have a nice feature.
3259                                          *     See the "BIND" command.
3260                                          *    We should support that here.
3261                                          *     You can specify %X and %Y in the event code.
3262                                          *     The idea is: %T - target name.
3263                                          *     The idea is: %N - target number
3264                                          *     The idea is: %E - event name.
3265                                          */
3266                                         Jim_IncrRefCount( teap->body );
3267
3268                                         /* add to head of event list */
3269                                         teap->next = target->event_action;
3270                                         target->event_action = teap;
3271                                         Jim_SetEmptyResult(goi->interp);
3272                                 } else {
3273                                         /* get */
3274                                         if( teap == NULL ){
3275                                                 Jim_SetEmptyResult( goi->interp );
3276                                         } else {
3277                                                 Jim_SetResult( goi->interp, Jim_DuplicateObj( goi->interp, teap->body ) );
3278                                         }
3279                                 }
3280                         }
3281                         /* loop for more */
3282                         break;
3283
3284                 case TCFG_WORK_AREA_VIRT:
3285                         if( goi->isconfigure ){
3286                                 target_free_all_working_areas(target);
3287                                 e = Jim_GetOpt_Wide( goi, &w );
3288                                 if( e != JIM_OK ){
3289                                         return e;
3290                                 }
3291                                 target->working_area_virt = w;
3292                         } else {
3293                                 if( goi->argc != 0 ){
3294                                         goto no_params;
3295                                 }
3296                         }
3297                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_virt ) );
3298                         /* loop for more */
3299                         break;
3300
3301                 case TCFG_WORK_AREA_PHYS:
3302                         if( goi->isconfigure ){
3303                                 target_free_all_working_areas(target);
3304                                 e = Jim_GetOpt_Wide( goi, &w );
3305                                 if( e != JIM_OK ){
3306                                         return e;
3307                                 }
3308                                 target->working_area_phys = w;
3309                         } else {
3310                                 if( goi->argc != 0 ){
3311                                         goto no_params;
3312                                 }
3313                         }
3314                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_phys ) );
3315                         /* loop for more */
3316                         break;
3317
3318                 case TCFG_WORK_AREA_SIZE:
3319                         if( goi->isconfigure ){
3320                                 target_free_all_working_areas(target);
3321                                 e = Jim_GetOpt_Wide( goi, &w );
3322                                 if( e != JIM_OK ){
3323                                         return e;
3324                                 }
3325                                 target->working_area_size = w;
3326                         } else {
3327                                 if( goi->argc != 0 ){
3328                                         goto no_params;
3329                                 }
3330                         }
3331                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3332                         /* loop for more */
3333                         break;
3334
3335                 case TCFG_WORK_AREA_BACKUP:
3336                         if( goi->isconfigure ){
3337                                 target_free_all_working_areas(target);
3338                                 e = Jim_GetOpt_Wide( goi, &w );
3339                                 if( e != JIM_OK ){
3340                                         return e;
3341                                 }
3342                                 /* make this exactly 1 or 0 */
3343                                 target->backup_working_area = (!!w);
3344                         } else {
3345                                 if( goi->argc != 0 ){
3346                                         goto no_params;
3347                                 }
3348                         }
3349                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3350                         /* loop for more e*/
3351                         break;
3352
3353                 case TCFG_ENDIAN:
3354                         if( goi->isconfigure ){
3355                                 e = Jim_GetOpt_Nvp( goi, nvp_target_endian, &n );
3356                                 if( e != JIM_OK ){
3357                                         Jim_GetOpt_NvpUnknown( goi, nvp_target_endian, 1 );
3358                                         return e;
3359                                 }
3360                                 target->endianness = n->value;
3361                         } else {
3362                                 if( goi->argc != 0 ){
3363                                         goto no_params;
3364                                 }
3365                         }
3366                         n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3367                         if( n->name == NULL ){
3368                                 target->endianness = TARGET_LITTLE_ENDIAN;
3369                                 n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3370                         }
3371                         Jim_SetResultString( goi->interp, n->name, -1 );
3372                         /* loop for more */
3373                         break;
3374
3375                 case TCFG_VARIANT:
3376                         if( goi->isconfigure ){
3377                                 if( goi->argc < 1 ){
3378                                         Jim_SetResult_sprintf( goi->interp,
3379                                                                                    "%s ?STRING?",
3380                                                                                    n->name );
3381                                         return JIM_ERR;
3382                                 }
3383                                 if( target->variant ){
3384                                         free((void *)(target->variant));
3385                                 }
3386                                 e = Jim_GetOpt_String( goi, &cp, NULL );
3387                                 target->variant = strdup(cp);
3388                         } else {
3389                                 if( goi->argc != 0 ){
3390                                         goto no_params;
3391                                 }
3392                         }
3393                         Jim_SetResultString( goi->interp, target->variant,-1 );
3394                         /* loop for more */
3395                         break;
3396                 case TCFG_CHAIN_POSITION:
3397                         if( goi->isconfigure ){
3398                                 target_free_all_working_areas(target);
3399                                 e = Jim_GetOpt_Wide( goi, &w );
3400                                 if( e != JIM_OK ){
3401                                         return e;
3402                                 }
3403                                 if (jtag_get_device(w)==NULL)
3404                                         return JIM_ERR;
3405
3406                                 /* make this exactly 1 or 0 */
3407                                 target->chain_position = w;
3408                         } else {
3409                                 if( goi->argc != 0 ){
3410                                         goto no_params;
3411                                 }
3412                         }
3413                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->chain_position ) );
3414                         /* loop for more e*/
3415                         break;
3416                 }
3417         } /* while( goi->argc ) */
3418                 /* done - we return */
3419         return JIM_OK;
3420 }
3421
3422
3423 /** this is the 'tcl' handler for the target specific command */
3424 static int
3425 tcl_target_func( Jim_Interp *interp,
3426                                  int argc,
3427                                  Jim_Obj *const *argv )
3428 {
3429         Jim_GetOptInfo goi;
3430         jim_wide a,b,c;
3431         int x,y,z;
3432         u8  target_buf[32];
3433         Jim_Nvp *n;
3434         target_t *target;
3435         struct command_context_s *cmd_ctx;
3436         int e;
3437
3438
3439         enum {
3440                 TS_CMD_CONFIGURE,
3441                 TS_CMD_CGET,
3442
3443                 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3444                 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3445                 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3446                 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3447                 TS_CMD_EXAMINE,
3448                 TS_CMD_POLL,
3449                 TS_CMD_RESET,
3450                 TS_CMD_HALT,
3451                 TS_CMD_WAITSTATE,
3452                 TS_CMD_EVENTLIST,
3453                 TS_CMD_CURSTATE,
3454                 TS_CMD_INVOKE_EVENT,
3455         };
3456
3457         static const Jim_Nvp target_options[] = {
3458                 { .name = "configure", .value = TS_CMD_CONFIGURE },
3459                 { .name = "cget", .value = TS_CMD_CGET },
3460                 { .name = "mww", .value = TS_CMD_MWW },
3461                 { .name = "mwh", .value = TS_CMD_MWH },
3462                 { .name = "mwb", .value = TS_CMD_MWB },
3463                 { .name = "mdw", .value = TS_CMD_MDW },
3464                 { .name = "mdh", .value = TS_CMD_MDH },
3465                 { .name = "mdb", .value = TS_CMD_MDB },
3466                 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3467                 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3468                 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3469                 { .name = "curstate",  .value = TS_CMD_CURSTATE },
3470
3471                 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3472                 { .name = "arp_poll", .value = TS_CMD_POLL },
3473                 { .name = "arp_reset", .value = TS_CMD_RESET },
3474                 { .name = "arp_halt", .value = TS_CMD_HALT },
3475                 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3476                 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3477
3478                 { .name = NULL, .value = -1 },
3479         };
3480
3481
3482         /* go past the "command" */
3483         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3484
3485         target = Jim_CmdPrivData( goi.interp );
3486         cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3487
3488         /* commands here are in an NVP table */
3489         e = Jim_GetOpt_Nvp( &goi, target_options, &n );
3490         if( e != JIM_OK ){
3491                 Jim_GetOpt_NvpUnknown( &goi, target_options, 0 );
3492                 return e;
3493         }
3494         // Assume blank result
3495         Jim_SetEmptyResult( goi.interp );
3496
3497         switch( n->value ){
3498         case TS_CMD_CONFIGURE:
3499                 if( goi.argc < 2 ){
3500                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3501                         return JIM_ERR;
3502                 }
3503                 goi.isconfigure = 1;
3504                 return target_configure( &goi, target );
3505         case TS_CMD_CGET:
3506                 // some things take params
3507                 if( goi.argc < 1 ){
3508                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "missing: ?-option?");
3509                         return JIM_ERR;
3510                 }
3511                 goi.isconfigure = 0;
3512                 return target_configure( &goi, target );
3513                 break;
3514         case TS_CMD_MWW:
3515         case TS_CMD_MWH:
3516         case TS_CMD_MWB:
3517                 /* argv[0] = cmd
3518                  * argv[1] = address
3519                  * argv[2] = data
3520                  * argv[3] = optional count.
3521                  */
3522
3523                 if( (goi.argc == 3) || (goi.argc == 4) ){
3524                         /* all is well */
3525                 } else {
3526                 mwx_error:
3527                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR DATA [COUNT]", n->name );
3528                         return JIM_ERR;
3529                 }
3530
3531                 e = Jim_GetOpt_Wide( &goi, &a );
3532                 if( e != JIM_OK ){
3533                         goto mwx_error;
3534                 }
3535
3536                 e = Jim_GetOpt_Wide( &goi, &b );
3537                 if( e != JIM_OK ){
3538                         goto mwx_error;
3539                 }
3540                 if( goi.argc ){
3541                         e = Jim_GetOpt_Wide( &goi, &c );
3542                         if( e != JIM_OK ){
3543                                 goto mwx_error;
3544                         }
3545                 } else {
3546                         c = 1;
3547                 }
3548
3549                 switch( n->value ){
3550                 case TS_CMD_MWW:
3551                         target_buffer_set_u32( target, target_buf, b );
3552                         b = 4;
3553                         break;
3554                 case TS_CMD_MWH:
3555                         target_buffer_set_u16( target, target_buf, b );
3556                         b = 2;
3557                         break;
3558                 case TS_CMD_MWB:
3559                         target_buffer_set_u8( target, target_buf, b );
3560                         b = 1;
3561                         break;
3562                 }
3563                 for( x = 0 ; x < c ; x++ ){
3564                         e = target->type->write_memory( target, a, b, 1, target_buf );
3565                         if( e != ERROR_OK ){
3566                                 Jim_SetResult_sprintf( interp, "Error writing @ 0x%08x: %d\n", (int)(a), e );
3567                                 return JIM_ERR;
3568                         }
3569                         /* b = width */
3570                         a = a + b;
3571                 }
3572                 return JIM_OK;
3573                 break;
3574
3575                 /* display */
3576         case TS_CMD_MDW:
3577         case TS_CMD_MDH:
3578         case TS_CMD_MDB:
3579                 /* argv[0] = command
3580                  * argv[1] = address
3581                  * argv[2] = optional count
3582                  */
3583                 if( (goi.argc == 2) || (goi.argc == 3) ){
3584                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR [COUNT]", n->name );
3585                         return JIM_ERR;
3586                 }
3587                 e = Jim_GetOpt_Wide( &goi, &a );
3588                 if( e != JIM_OK ){
3589                         return JIM_ERR;
3590                 }
3591                 if( goi.argc ){
3592                         e = Jim_GetOpt_Wide( &goi, &c );
3593                         if( e != JIM_OK ){
3594                                 return JIM_ERR;
3595                         }
3596                 } else {
3597                         c = 1;
3598                 }
3599                 b = 1; /* shut up gcc */
3600                 switch( n->value ){
3601                 case TS_CMD_MDW:
3602                         b =  4;
3603                         break;
3604                 case TS_CMD_MDH:
3605                         b = 2;
3606                         break;
3607                 case TS_CMD_MDB:
3608                         b = 1;
3609                         break;
3610                 }
3611
3612                 /* convert to "bytes" */
3613                 c = c * b;
3614                 /* count is now in 'BYTES' */
3615                 while( c > 0 ){
3616                         y = c;
3617                         if( y > 16 ){
3618                                 y = 16;
3619                         }
3620                         e = target->type->read_memory( target, a, b, y / b, target_buf );
3621                         if( e != ERROR_OK ){
3622                                 Jim_SetResult_sprintf( interp, "error reading target @ 0x%08lx", (int)(a) );
3623                                 return JIM_ERR;
3624                         }
3625
3626                         Jim_fprintf( interp, interp->cookie_stdout, "0x%08x ", (int)(a) );
3627                         switch( b ){
3628                         case 4:
3629                                 for( x = 0 ; (x < 16) && (x < y) ; x += 4 ){
3630                                         z = target_buffer_get_u32( target, &(target_buf[ x * 4 ]) );
3631                                         Jim_fprintf( interp, interp->cookie_stdout, "%08x ", (int)(z) );
3632                                 }
3633                                 for( ; (x < 16) ; x += 4 ){
3634                                         Jim_fprintf( interp, interp->cookie_stdout, "         " );
3635                                 }
3636                                 break;
3637                         case 2:
3638                                 for( x = 0 ; (x < 16) && (x < y) ; x += 2 ){
3639                                         z = target_buffer_get_u16( target, &(target_buf[ x * 2 ]) );
3640                                         Jim_fprintf( interp, interp->cookie_stdout, "%04x ", (int)(z) );
3641                                 }
3642                                 for( ; (x < 16) ; x += 2 ){
3643                                         Jim_fprintf( interp, interp->cookie_stdout, "     " );
3644                                 }
3645                                 break;
3646                         case 1:
3647                         default:
3648                                 for( x = 0 ; (x < 16) && (x < y) ; x += 1 ){
3649                                         z = target_buffer_get_u8( target, &(target_buf[ x * 4 ]) );
3650                                         Jim_fprintf( interp, interp->cookie_stdout, "%02x ", (int)(z) );
3651                                 }
3652                                 for( ; (x < 16) ; x += 1 ){
3653                                         Jim_fprintf( interp, interp->cookie_stdout, "   " );
3654                                 }
3655                                 break;
3656                         }
3657                         /* ascii-ify the bytes */
3658                         for( x = 0 ; x < y ; x++ ){
3659                                 if( (target_buf[x] >= 0x20) &&
3660                                         (target_buf[x] <= 0x7e) ){
3661                                         /* good */
3662                                 } else {
3663                                         /* smack it */
3664                                         target_buf[x] = '.';
3665                                 }
3666                         }
3667                         /* space pad  */
3668                         while( x < 16 ){
3669                                 target_buf[x] = ' ';
3670                                 x++;
3671                         }
3672                         /* terminate */
3673                         target_buf[16] = 0;
3674                         /* print - with a newline */
3675                         Jim_fprintf( interp, interp->cookie_stdout, "%s\n", target_buf );
3676                         /* NEXT... */
3677                         c -= 16;
3678                         a += 16;
3679                 }
3680                 return JIM_OK;
3681         case TS_CMD_MEM2ARRAY:
3682                 return target_mem2array( goi.interp, target, goi.argc, goi.argv );
3683                 break;
3684         case TS_CMD_ARRAY2MEM:
3685                 return target_array2mem( goi.interp, target, goi.argc, goi.argv );
3686                 break;
3687         case TS_CMD_EXAMINE:
3688                 if( goi.argc ){
3689                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3690                         return JIM_ERR;
3691                 }
3692                 e = target->type->examine( target );
3693                 if( e != ERROR_OK ){
3694                         Jim_SetResult_sprintf( interp, "examine-fails: %d", e );
3695                         return JIM_ERR;
3696                 }
3697                 return JIM_OK;
3698         case TS_CMD_POLL:
3699                 if( goi.argc ){
3700                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3701                         return JIM_ERR;
3702                 }
3703                 if( !(target->type->examined) ){
3704                         e = ERROR_TARGET_NOT_EXAMINED;
3705                 } else {
3706                         e = target->type->poll( target );
3707                 }
3708                 if( e != ERROR_OK ){
3709                         Jim_SetResult_sprintf( interp, "poll-fails: %d", e );
3710                         return JIM_ERR;
3711                 } else {
3712                         return JIM_OK;
3713                 }
3714                 break;
3715         case TS_CMD_RESET:
3716                 if( goi.argc != 2 ){
3717                         Jim_WrongNumArgs( interp, 2, argv, "t|f|assert|deassert BOOL");
3718                         return JIM_ERR;
3719                 }
3720                 e = Jim_GetOpt_Nvp( &goi, nvp_assert, &n );
3721                 if( e != JIM_OK ){
3722                         Jim_GetOpt_NvpUnknown( &goi, nvp_assert, 1 );
3723                         return e;
3724                 }
3725                 // the halt or not param
3726                 e = Jim_GetOpt_Wide( &goi, &a);
3727                 if( e != JIM_OK ){
3728                         return e;
3729                 }
3730                 // determine if we should halt or not.
3731                 target->reset_halt = !!a;
3732                 // When this happens - all workareas are invalid.
3733                 target_free_all_working_areas_restore(target, 0);
3734
3735                 // do the assert
3736                 if( n->value == NVP_ASSERT ){
3737                         target->type->assert_reset( target );
3738                 } else {
3739                         target->type->deassert_reset( target );
3740                 }
3741                 return JIM_OK;
3742         case TS_CMD_HALT:
3743                 if( goi.argc ){
3744                         Jim_WrongNumArgs( goi.interp, 0, argv, "halt [no parameters]");
3745                         return JIM_ERR;
3746                 }
3747                 target->type->halt( target );
3748                 return JIM_OK;
3749         case TS_CMD_WAITSTATE:
3750                 // params:  <name>  statename timeoutmsecs
3751                 if( goi.argc != 2 ){
3752                         Jim_SetResult_sprintf( goi.interp, "%s STATENAME TIMEOUTMSECS", n->name );
3753                         return JIM_ERR;
3754                 }
3755                 e = Jim_GetOpt_Nvp( &goi, nvp_target_state, &n );
3756                 if( e != JIM_OK ){
3757                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_state,1 );
3758                         return e;
3759                 }
3760                 e = Jim_GetOpt_Wide( &goi, &a );
3761                 if( e != JIM_OK ){
3762                         return e;
3763                 }
3764                 e = target_wait_state( target, n->value, a );
3765                 if( e != ERROR_OK ){
3766                         Jim_SetResult_sprintf( goi.interp,
3767                                                                    "target: %s wait %s fails (%d) %s",
3768                                                                    target->cmd_name,
3769                                                                    n->name,
3770                                                e, target_strerror_safe(e) );
3771                         return JIM_ERR;
3772                 } else {
3773                         return JIM_OK;
3774                 }
3775         case TS_CMD_EVENTLIST:
3776                 /* List for human, Events defined for this target.
3777                  * scripts/programs should use 'name cget -event NAME'
3778                  */
3779                 {
3780                         target_event_action_t *teap;
3781                         teap = target->event_action;
3782                         command_print( cmd_ctx, "Event actions for target (%d) %s\n",
3783                                                    target->target_number,
3784                                                    target->cmd_name );
3785                         command_print( cmd_ctx, "%-25s | Body", "Event");
3786                         command_print( cmd_ctx, "------------------------- | ----------------------------------------");
3787                         while( teap ){
3788                                 command_print( cmd_ctx,
3789                                                            "%-25s | %s",
3790                                                            Jim_Nvp_value2name_simple( nvp_target_event, teap->event )->name,
3791                                                            Jim_GetString( teap->body, NULL ) );
3792                                 teap = teap->next;
3793                         }
3794                         command_print( cmd_ctx, "***END***");
3795                         return JIM_OK;
3796                 }
3797         case TS_CMD_CURSTATE:
3798                 if( goi.argc != 0 ){
3799                         Jim_WrongNumArgs( goi.interp, 0, argv, "[no parameters]");
3800                         return JIM_ERR;
3801                 }
3802                 Jim_SetResultString( goi.interp,
3803                                                          Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name,-1);
3804                 return JIM_OK;
3805         case TS_CMD_INVOKE_EVENT:
3806                 if( goi.argc != 1 ){
3807                         Jim_SetResult_sprintf( goi.interp, "%s ?EVENTNAME?",n->name);
3808                         return JIM_ERR;
3809                 }
3810                 e = Jim_GetOpt_Nvp( &goi, nvp_target_event, &n );
3811                 if( e != JIM_OK ){
3812                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_event, 1 );
3813                         return e;
3814                 }
3815                 target_handle_event( target, n->value );
3816                 return JIM_OK;
3817         }
3818         return JIM_ERR;
3819 }
3820
3821
3822 static int
3823 target_create( Jim_GetOptInfo *goi )
3824 {
3825
3826         Jim_Obj *new_cmd;
3827         Jim_Cmd *cmd;
3828         const char *cp;
3829         char *cp2;
3830         int e;
3831         int x;
3832         target_t *target;
3833         struct command_context_s *cmd_ctx;
3834
3835         cmd_ctx = Jim_GetAssocData(goi->interp, "context");
3836         if( goi->argc < 3 ){
3837                 Jim_WrongNumArgs( goi->interp, 1, goi->argv, "?name? ?type? ..options...");
3838                 return JIM_ERR;
3839         }
3840
3841         /* COMMAND */
3842         Jim_GetOpt_Obj( goi, &new_cmd );
3843         /* does this command exist? */
3844         cmd = Jim_GetCommand( goi->interp, new_cmd, JIM_ERRMSG );
3845         if( cmd ){
3846                 cp = Jim_GetString( new_cmd, NULL );
3847                 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
3848                 return JIM_ERR;
3849         }
3850
3851         /* TYPE */
3852         e = Jim_GetOpt_String( goi, &cp2, NULL );
3853         cp = cp2;
3854         /* now does target type exist */
3855         for( x = 0 ; target_types[x] ; x++ ){
3856                 if( 0 == strcmp( cp, target_types[x]->name ) ){
3857                         /* found */
3858                         break;
3859                 }
3860         }
3861         if( target_types[x] == NULL ){
3862                 Jim_SetResult_sprintf( goi->interp, "Unknown target type %s, try one of ", cp );
3863                 for( x = 0 ; target_types[x] ; x++ ){
3864                         if( target_types[x+1] ){
3865                                 Jim_AppendStrings( goi->interp,
3866                                                                    Jim_GetResult(goi->interp),
3867                                                                    target_types[x]->name,
3868                                                                    ", ", NULL);
3869                         } else {
3870                                 Jim_AppendStrings( goi->interp,
3871                                                                    Jim_GetResult(goi->interp),
3872                                                                    " or ",
3873                                                                    target_types[x]->name,NULL );
3874                         }
3875                 }
3876                 return JIM_ERR;
3877         }
3878
3879
3880         /* Create it */
3881         target = calloc(1,sizeof(target_t));
3882         /* set target number */
3883         target->target_number = new_target_number();
3884
3885         /* allocate memory for each unique target type */
3886         target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
3887
3888         memcpy( target->type, target_types[x], sizeof(target_type_t));
3889
3890         /* will be set by "-endian" */
3891         target->endianness = TARGET_ENDIAN_UNKNOWN;
3892
3893         target->working_area        = 0x0;
3894         target->working_area_size   = 0x0;
3895         target->working_areas       = NULL;
3896         target->backup_working_area = 0;
3897
3898         target->state               = TARGET_UNKNOWN;
3899         target->debug_reason        = DBG_REASON_UNDEFINED;
3900         target->reg_cache           = NULL;
3901         target->breakpoints         = NULL;
3902         target->watchpoints         = NULL;
3903         target->next                = NULL;
3904         target->arch_info           = NULL;
3905
3906         target->display             = 1;
3907
3908         /* initialize trace information */
3909         target->trace_info = malloc(sizeof(trace_t));
3910         target->trace_info->num_trace_points         = 0;
3911         target->trace_info->trace_points_size        = 0;
3912         target->trace_info->trace_points             = NULL;
3913         target->trace_info->trace_history_size       = 0;
3914         target->trace_info->trace_history            = NULL;
3915         target->trace_info->trace_history_pos        = 0;
3916         target->trace_info->trace_history_overflowed = 0;
3917
3918         target->dbgmsg          = NULL;
3919         target->dbg_msg_enabled = 0;
3920
3921         target->endianness = TARGET_ENDIAN_UNKNOWN;
3922
3923         /* Do the rest as "configure" options */
3924         goi->isconfigure = 1;
3925         e = target_configure( goi, target);
3926         if( e != JIM_OK ){
3927                 free( target->type );
3928                 free( target );
3929                 return e;
3930         }
3931
3932         if( target->endianness == TARGET_ENDIAN_UNKNOWN ){
3933                 /* default endian to little if not specified */
3934                 target->endianness = TARGET_LITTLE_ENDIAN;
3935         }
3936
3937         /* create the target specific commands */
3938         if( target->type->register_commands ){
3939                 (*(target->type->register_commands))( cmd_ctx );
3940         }
3941         if( target->type->target_create ){
3942                 (*(target->type->target_create))( target, goi->interp );
3943         }
3944
3945         /* append to end of list */
3946         {
3947                 target_t **tpp;
3948                 tpp = &(all_targets);
3949                 while( *tpp ){
3950                         tpp = &( (*tpp)->next );
3951                 }
3952                 *tpp = target;
3953         }
3954
3955         cp = Jim_GetString( new_cmd, NULL );
3956         target->cmd_name = strdup(cp);
3957
3958         /* now - create the new target name command */
3959         e = Jim_CreateCommand( goi->interp,
3960                                                    /* name */
3961                                                    cp,
3962                                                    tcl_target_func, /* C function */
3963                                                    target, /* private data */
3964                                                    NULL ); /* no del proc */
3965
3966         return e;
3967 }
3968
3969 static int
3970 jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3971 {
3972         int x,r,e;
3973         jim_wide w;
3974         struct command_context_s *cmd_ctx;
3975         const char *cp;
3976         target_t *target;
3977         Jim_GetOptInfo goi;
3978         enum tcmd {
3979                 /* TG = target generic */
3980                 TG_CMD_CREATE,
3981                 TG_CMD_TYPES,
3982                 TG_CMD_NAMES,
3983                 TG_CMD_CURRENT,
3984                 TG_CMD_NUMBER,
3985                 TG_CMD_COUNT,
3986         };
3987         const char *target_cmds[] = {
3988                 "create", "types", "names", "current", "number",
3989                 "count",
3990                 NULL // terminate
3991         };
3992
3993         LOG_DEBUG("Target command params:");
3994         LOG_DEBUG(Jim_Debug_ArgvString( interp, argc, argv) );
3995
3996         cmd_ctx = Jim_GetAssocData( interp, "context" );
3997
3998         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3999
4000         if( goi.argc == 0 ){
4001                 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
4002                 return JIM_ERR;
4003         }
4004
4005         /* is this old syntax? */
4006         /* To determine: We have to peek at argv[0]*/
4007         cp = Jim_GetString( goi.argv[0], NULL );
4008         for( x = 0 ; target_types[x] ; x++ ){
4009                 if( 0 == strcmp(cp,target_types[x]->name) ){
4010                         break;
4011                 }
4012         }
4013         if( target_types[x] ){
4014                 /* YES IT IS OLD SYNTAX */
4015                 Jim_Obj *new_argv[10];
4016                 int      new_argc;
4017
4018                 /* target_old_syntax
4019                  *
4020                  * It appears that there are 2 old syntaxes:
4021                  *
4022                  * target <typename> <endian> <chain position> <variant>
4023                  *
4024                  * and
4025                  *
4026                  * target <typename> <endian> <reset mode> <chain position> <variant>
4027                  *
4028                  */
4029
4030                 /* The minimum number of arguments is 4 */
4031                 if( argc < 4 ){
4032                         Jim_WrongNumArgs( interp, 1, argv, "[OLDSYNTAX] ?TYPE? ?ENDIAN? ?CHAIN-POSITION? ?VARIANT?");
4033                         return JIM_ERR;
4034                 }
4035
4036                 /* the command */
4037                 new_argv[0] = argv[0];
4038                 new_argv[1] = Jim_NewStringObj( interp, "create", -1 );
4039                 {
4040                         char buf[ 30 ];
4041                         sprintf( buf, "target%d", new_target_number() );
4042                         new_argv[2] = Jim_NewStringObj( interp, buf , -1 );
4043                 }
4044                 new_argv[3] = goi.argv[0]; /* typename */
4045                 new_argv[4] = Jim_NewStringObj( interp, "-endian", -1 );
4046                 new_argv[5] = goi.argv[1];
4047                 new_argv[6] = Jim_NewStringObj( interp, "-chain-position", -1 );
4048
4049                 /* If goi.argv[2] is not a number, we need to skip it since it is the reset mode. */
4050                 jim_wide w;
4051                 int chain_position_argv = 2;
4052                 if (JIM_ERR == Jim_GetWide(interp, goi.argv[chain_position_argv], &w)) {
4053                         if (chain_position_argv + 1 < goi.argc) {
4054                                 chain_position_argv += 1;
4055                         } else {
4056                                 Jim_WrongNumArgs( interp, 1, argv, "[OLDSYNTAX] ?TYPE? ?ENDIAN? ?RESET? ?CHAIN-POSITION? ?VARIANT?");
4057                                 return JIM_ERR;
4058                         }
4059                 }
4060
4061                 new_argv[7] = goi.argv[chain_position_argv];
4062
4063                 /* Only provide a variant configure option if there was a variant specified */
4064                 if (chain_position_argv + 1 < goi.argc) {
4065                         new_argv[8] = Jim_NewStringObj( interp, "-variant", -1 );
4066                         new_argv[9] = goi.argv[chain_position_argv + 1];
4067                         new_argc = 10;
4068                 } else {
4069                         new_argc = 8;
4070                 }
4071
4072                 /*
4073                  * new arg syntax:
4074                  *   argv[0] = command
4075                  *   argv[1] = create
4076                  *   argv[2] = cmdname
4077                  *   argv[3] = typename
4078                  *   argv[4] = -endian
4079                  *   argv[5] = little
4080                  *   argv[6] = -position
4081                  *   argv[7] = NUMBER
4082                  *   argv[8] = -variant
4083                  *   argv[9] = "somestring"
4084                  */
4085
4086                 /* don't let these be released */
4087                 for( x = 0 ; x < new_argc ; x++ ){
4088                         Jim_IncrRefCount( new_argv[x]);
4089                 }
4090                 /* call our self */
4091                 LOG_DEBUG("Target OLD SYNTAX - converted to new syntax");
4092
4093                 r = jim_target( goi.interp, new_argc, new_argv );
4094
4095                 /* release? these items */
4096                 for( x = 0 ; x < new_argc ; x++ ){
4097                         Jim_DecrRefCount( interp, new_argv[x] );
4098                 }
4099                 return r;
4100         }
4101
4102         //Jim_GetOpt_Debug( &goi );
4103         r = Jim_GetOpt_Enum( &goi, target_cmds, &x   );
4104         if( r != JIM_OK ){
4105                 return r;
4106         }
4107
4108         switch(x){
4109         default:
4110                 Jim_Panic(goi.interp,"Why am I here?");
4111                 return JIM_ERR;
4112         case TG_CMD_CURRENT:
4113                 if( goi.argc != 0 ){
4114                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters");
4115                         return JIM_ERR;
4116                 }
4117                 Jim_SetResultString( goi.interp, get_current_target( cmd_ctx )->cmd_name, -1 );
4118                 return JIM_OK;
4119         case TG_CMD_TYPES:
4120                 if( goi.argc != 0 ){
4121                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4122                         return JIM_ERR;
4123                 }
4124                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4125                 for( x = 0 ; target_types[x] ; x++ ){
4126                         Jim_ListAppendElement( goi.interp,
4127                                                                    Jim_GetResult(goi.interp),
4128                                                                    Jim_NewStringObj( goi.interp, target_types[x]->name, -1 ) );
4129                 }
4130                 return JIM_OK;
4131         case TG_CMD_NAMES:
4132                 if( goi.argc != 0 ){
4133                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4134                         return JIM_ERR;
4135                 }
4136                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4137                 target = all_targets;
4138                 while( target ){
4139                         Jim_ListAppendElement( goi.interp,
4140                                                                    Jim_GetResult(goi.interp),
4141                                                                    Jim_NewStringObj( goi.interp, target->cmd_name, -1 ) );
4142                         target = target->next;
4143                 }
4144                 return JIM_OK;
4145         case TG_CMD_CREATE:
4146                 if( goi.argc < 3 ){
4147                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "?name  ... config options ...");
4148                         return JIM_ERR;
4149                 }
4150                 return target_create( &goi );
4151                 break;
4152         case TG_CMD_NUMBER:
4153                 if( goi.argc != 1 ){
4154                         Jim_SetResult_sprintf( goi.interp, "expected: target number ?NUMBER?");
4155                         return JIM_ERR;
4156                 }
4157                 e = Jim_GetOpt_Wide( &goi, &w );
4158                 if( e != JIM_OK ){
4159                         return JIM_ERR;
4160                 }
4161                 {
4162                         target_t *t;
4163                         t = get_target_by_num(w);
4164                         if( t == NULL ){
4165                                 Jim_SetResult_sprintf( goi.interp,"Target: number %d does not exist", (int)(w));
4166                                 return JIM_ERR;
4167                         }
4168                         Jim_SetResultString( goi.interp, t->cmd_name, -1 );
4169                         return JIM_OK;
4170                 }
4171         case TG_CMD_COUNT:
4172                 if( goi.argc != 0 ){
4173                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "<no parameters>");
4174                         return JIM_ERR;
4175                 }
4176                 Jim_SetResult( goi.interp,
4177                                            Jim_NewIntObj( goi.interp, max_target_number()));
4178                 return JIM_OK;
4179         }
4180
4181         return JIM_ERR;
4182 }