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

   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
   6  *   oyvind.harboe@zylin.com                                               *
   7  *                                                                         *
   8  *   Copyright (C) 2008, Duane Ellis                                       *
   9  *   openocd@duaneeellis.com                                               *
  10  *                                                                         *
  11  *   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 sense_handler()
1462 {
1463         static int prevSrstAsserted = 0;
1464         static int prevPowerdropout = 0;
1465
1466         int retval;
1467         if ((retval=jtag_power_dropout(&powerDropout))!=ERROR_OK)
1468                 return retval;
1469
1470         int powerRestored;
1471         powerRestored = prevPowerdropout && !powerDropout;
1472         if (powerRestored)
1473         {
1474                 LOG_USER("Sensed power restore.");
1475         }
1476
1477         long long current = timeval_ms();
1478         static long long lastPower = 0;
1479         int waitMore = lastPower + 2000 > current;
1480         if (powerDropout && !waitMore)
1481         {
1482                 LOG_USER("Sensed power dropout.");
1483                 lastPower = current;
1484         }
1485
1486         if ((retval=jtag_srst_asserted(&srstAsserted))!=ERROR_OK)
1487                 return retval;
1488
1489         int srstDeasserted;
1490         srstDeasserted = prevSrstAsserted && !srstAsserted;
1491
1492         static long long lastSrst = 0;
1493         waitMore = lastSrst + 2000 > current;
1494         if (srstDeasserted && !waitMore)
1495         {
1496                 LOG_USER("Sensed nSRST deasserted");
1497                 lastSrst = current;
1498         }
1499
1500         if (!prevSrstAsserted && srstAsserted)
1501         {
1502                 LOG_USER("Sensed nSRST asserted");
1503         }
1504
1505         prevSrstAsserted = srstAsserted;
1506         prevPowerdropout = powerDropout;
1507
1508         if (srstDeasserted || powerRestored)
1509         {
1510                 /* Other than logging the event we can't do anything here.
1511                  * Issuing a reset is a particularly bad idea as we might
1512                  * be inside a reset already.
1513                  */
1514         }
1515
1516         return ERROR_OK;
1517 }
1518
1519
1520 /* process target state changes */
1521 int handle_target(void *priv)
1522 {
1523         int retval = ERROR_OK;
1524         target_t *target = all_targets;
1525
1526         while (target)
1527         {
1528                 sense_handler();
1529
1530                 /* only poll target if we've got power and srst isn't asserted */
1531                 if (target_continous_poll&&!powerDropout&&!srstAsserted)
1532                 {
1533                         /* polling may fail silently until the target has been examined */
1534                         if((retval = target_poll(target)) != ERROR_OK)
1535                                 return retval;
1536                 }
1537
1538                 target = target->next;
1539         }
1540
1541         return retval;
1542 }
1543
1544 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1545 {
1546         target_t *target;
1547         reg_t *reg = NULL;
1548         int count = 0;
1549         char *value;
1550
1551         LOG_DEBUG("-");
1552
1553         target = get_current_target(cmd_ctx);
1554
1555         /* list all available registers for the current target */
1556         if (argc == 0)
1557         {
1558                 reg_cache_t *cache = target->reg_cache;
1559
1560                 count = 0;
1561                 while(cache)
1562                 {
1563                         int i;
1564                         for (i = 0; i < cache->num_regs; i++)
1565                         {
1566                                 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1567                                 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);
1568                                 free(value);
1569                         }
1570                         cache = cache->next;
1571                 }
1572
1573                 return ERROR_OK;
1574         }
1575
1576         /* access a single register by its ordinal number */
1577         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1578         {
1579                 int num = strtoul(args[0], NULL, 0);
1580                 reg_cache_t *cache = target->reg_cache;
1581
1582                 count = 0;
1583                 while(cache)
1584                 {
1585                         int i;
1586                         for (i = 0; i < cache->num_regs; i++)
1587                         {
1588                                 if (count++ == num)
1589                                 {
1590                                         reg = &cache->reg_list[i];
1591                                         break;
1592                                 }
1593                         }
1594                         if (reg)
1595                                 break;
1596                         cache = cache->next;
1597                 }
1598
1599                 if (!reg)
1600                 {
1601                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1602                         return ERROR_OK;
1603                 }
1604         } else /* access a single register by its name */
1605         {
1606                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1607
1608                 if (!reg)
1609                 {
1610                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1611                         return ERROR_OK;
1612                 }
1613         }
1614
1615         /* display a register */
1616         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1617         {
1618                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1619                         reg->valid = 0;
1620
1621                 if (reg->valid == 0)
1622                 {
1623                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1624                         arch_type->get(reg);
1625                 }
1626                 value = buf_to_str(reg->value, reg->size, 16);
1627                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1628                 free(value);
1629                 return ERROR_OK;
1630         }
1631
1632         /* set register value */
1633         if (argc == 2)
1634         {
1635                 u8 *buf = malloc(CEIL(reg->size, 8));
1636                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1637
1638                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1639                 arch_type->set(reg, buf);
1640
1641                 value = buf_to_str(reg->value, reg->size, 16);
1642                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1643                 free(value);
1644
1645                 free(buf);
1646
1647                 return ERROR_OK;
1648         }
1649
1650         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1651
1652         return ERROR_OK;
1653 }
1654
1655
1656 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1657 {
1658         int retval = ERROR_OK;
1659         target_t *target = get_current_target(cmd_ctx);
1660
1661         if (argc == 0)
1662         {
1663                 if((retval = target_poll(target)) != ERROR_OK)
1664                         return retval;
1665                 if((retval = target_arch_state(target)) != ERROR_OK)
1666                         return retval;
1667
1668         }
1669         else if (argc==1)
1670         {
1671                 if (strcmp(args[0], "on") == 0)
1672                 {
1673                         target_continous_poll = 1;
1674                 }
1675                 else if (strcmp(args[0], "off") == 0)
1676                 {
1677                         target_continous_poll = 0;
1678                 }
1679                 else
1680                 {
1681                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1682                 }
1683         } else
1684         {
1685                 return ERROR_COMMAND_SYNTAX_ERROR;
1686         }
1687
1688
1689         return retval;
1690 }
1691
1692 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1693 {
1694         int ms = 5000;
1695
1696         if (argc > 0)
1697         {
1698                 char *end;
1699
1700                 ms = strtoul(args[0], &end, 0) * 1000;
1701                 if (*end)
1702                 {
1703                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1704                         return ERROR_OK;
1705                 }
1706         }
1707         target_t *target = get_current_target(cmd_ctx);
1708
1709         return target_wait_state(target, TARGET_HALTED, ms);
1710 }
1711
1712 int target_wait_state(target_t *target, enum target_state state, int ms)
1713 {
1714         int retval;
1715         struct timeval timeout, now;
1716         int once=1;
1717         gettimeofday(&timeout, NULL);
1718         timeval_add_time(&timeout, 0, ms * 1000);
1719
1720         for (;;)
1721         {
1722                 if ((retval=target_poll(target))!=ERROR_OK)
1723                         return retval;
1724                 keep_alive();
1725                 if (target->state == state)
1726                 {
1727                         break;
1728                 }
1729                 if (once)
1730                 {
1731                         once=0;
1732                         LOG_DEBUG("waiting for target %s...",
1733                               Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1734                 }
1735
1736                 gettimeofday(&now, NULL);
1737                 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1738                 {
1739                         LOG_ERROR("timed out while waiting for target %s",
1740                               Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1741                         return ERROR_FAIL;
1742                 }
1743         }
1744
1745         return ERROR_OK;
1746 }
1747
1748 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1749 {
1750         int retval;
1751         target_t *target = get_current_target(cmd_ctx);
1752
1753         LOG_DEBUG("-");
1754
1755         if ((retval = target_halt(target)) != ERROR_OK)
1756         {
1757                 return retval;
1758         }
1759
1760         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1761 }
1762
1763 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1764 {
1765         target_t *target = get_current_target(cmd_ctx);
1766
1767         LOG_USER("requesting target halt and executing a soft reset");
1768
1769         target->type->soft_reset_halt(target);
1770
1771         return ERROR_OK;
1772 }
1773
1774 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1775 {
1776         const Jim_Nvp *n;
1777         enum target_reset_mode reset_mode = RESET_RUN;
1778
1779         if (argc >= 1)
1780         {
1781                 n = Jim_Nvp_name2value_simple( nvp_reset_modes, args[0] );
1782                 if( (n->name == NULL) || (n->value == RESET_UNKNOWN) ){
1783                         return ERROR_COMMAND_SYNTAX_ERROR;
1784                 }
1785                 reset_mode = n->value;
1786         }
1787
1788         /* reset *all* targets */
1789         return target_process_reset(cmd_ctx, reset_mode);
1790 }
1791
1792
1793 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1794 {
1795         int retval;
1796         target_t *target = get_current_target(cmd_ctx);
1797
1798         target_handle_event( target, TARGET_EVENT_OLD_pre_resume );
1799
1800         if (argc == 0)
1801                 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1802         else if (argc == 1)
1803                 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1804         else
1805         {
1806                 retval = ERROR_COMMAND_SYNTAX_ERROR;
1807         }
1808
1809         return retval;
1810 }
1811
1812 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1813 {
1814         target_t *target = get_current_target(cmd_ctx);
1815
1816         LOG_DEBUG("-");
1817
1818         if (argc == 0)
1819                 return target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1820
1821         if (argc == 1)
1822                 return target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1823
1824         return ERROR_OK;
1825 }
1826
1827 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1828 {
1829         const int line_bytecnt = 32;
1830         int count = 1;
1831         int size = 4;
1832         u32 address = 0;
1833         int line_modulo;
1834         int i;
1835
1836         char output[128];
1837         int output_len;
1838
1839         int retval;
1840
1841         u8 *buffer;
1842         target_t *target = get_current_target(cmd_ctx);
1843
1844         if (argc < 1)
1845                 return ERROR_OK;
1846
1847         if (argc == 2)
1848                 count = strtoul(args[1], NULL, 0);
1849
1850         address = strtoul(args[0], NULL, 0);
1851
1852
1853         switch (cmd[2])
1854         {
1855                 case 'w':
1856                         size = 4; line_modulo = line_bytecnt / 4;
1857                         break;
1858                 case 'h':
1859                         size = 2; line_modulo = line_bytecnt / 2;
1860                         break;
1861                 case 'b':
1862                         size = 1; line_modulo = line_bytecnt / 1;
1863                         break;
1864                 default:
1865                         return ERROR_OK;
1866         }
1867
1868         buffer = calloc(count, size);
1869         retval  = target->type->read_memory(target, address, size, count, buffer);
1870         if (retval == ERROR_OK)
1871         {
1872                 output_len = 0;
1873
1874                 for (i = 0; i < count; i++)
1875                 {
1876                         if (i%line_modulo == 0)
1877                                 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1878
1879                         switch (size)
1880                         {
1881                                 case 4:
1882                                         output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1883                                         break;
1884                                 case 2:
1885                                         output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1886                                         break;
1887                                 case 1:
1888                                         output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1889                                         break;
1890                         }
1891
1892                         if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1893                         {
1894                                 command_print(cmd_ctx, output);
1895                                 output_len = 0;
1896                         }
1897                 }
1898         }
1899
1900         free(buffer);
1901
1902         return retval;
1903 }
1904
1905 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1906 {
1907         u32 address = 0;
1908         u32 value = 0;
1909         int count = 1;
1910         int i;
1911         int wordsize;
1912         target_t *target = get_current_target(cmd_ctx);
1913         u8 value_buf[4];
1914
1915          if ((argc < 2) || (argc > 3))
1916                 return ERROR_COMMAND_SYNTAX_ERROR;
1917
1918         address = strtoul(args[0], NULL, 0);
1919         value = strtoul(args[1], NULL, 0);
1920         if (argc == 3)
1921                 count = strtoul(args[2], NULL, 0);
1922
1923         switch (cmd[2])
1924         {
1925                 case 'w':
1926                         wordsize = 4;
1927                         target_buffer_set_u32(target, value_buf, value);
1928                         break;
1929                 case 'h':
1930                         wordsize = 2;
1931                         target_buffer_set_u16(target, value_buf, value);
1932                         break;
1933                 case 'b':
1934                         wordsize = 1;
1935                         value_buf[0] = value;
1936                         break;
1937                 default:
1938                         return ERROR_COMMAND_SYNTAX_ERROR;
1939         }
1940         for (i=0; i<count; i++)
1941         {
1942                 int retval;
1943                 switch (wordsize)
1944                 {
1945                         case 4:
1946                                 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
1947                                 break;
1948                         case 2:
1949                                 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
1950                                 break;
1951                         case 1:
1952                                 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
1953                         break;
1954                         default:
1955                         return ERROR_OK;
1956                 }
1957                 keep_alive();
1958
1959                 if (retval!=ERROR_OK)
1960                 {
1961                         return retval;
1962                 }
1963         }
1964
1965         return ERROR_OK;
1966
1967 }
1968
1969 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1970 {
1971         u8 *buffer;
1972         u32 buf_cnt;
1973         u32 image_size;
1974         u32 min_address=0;
1975         u32 max_address=0xffffffff;
1976         int i;
1977         int retval, retvaltemp;
1978
1979         image_t image;
1980
1981         duration_t duration;
1982         char *duration_text;
1983
1984         target_t *target = get_current_target(cmd_ctx);
1985
1986         if ((argc < 1)||(argc > 5))
1987         {
1988                 return ERROR_COMMAND_SYNTAX_ERROR;
1989         }
1990
1991         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
1992         if (argc >= 2)
1993         {
1994                 image.base_address_set = 1;
1995                 image.base_address = strtoul(args[1], NULL, 0);
1996         }
1997         else
1998         {
1999                 image.base_address_set = 0;
2000         }
2001
2002
2003         image.start_address_set = 0;
2004
2005         if (argc>=4)
2006         {
2007                 min_address=strtoul(args[3], NULL, 0);
2008         }
2009         if (argc>=5)
2010         {
2011                 max_address=strtoul(args[4], NULL, 0)+min_address;
2012         }
2013
2014         if (min_address>max_address)
2015         {
2016                 return ERROR_COMMAND_SYNTAX_ERROR;
2017         }
2018
2019
2020         duration_start_measure(&duration);
2021
2022         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2023         {
2024                 return ERROR_OK;
2025         }
2026
2027         image_size = 0x0;
2028         retval = ERROR_OK;
2029         for (i = 0; i < image.num_sections; i++)
2030         {
2031                 buffer = malloc(image.sections[i].size);
2032                 if (buffer == NULL)
2033                 {
2034                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2035                         break;
2036                 }
2037
2038                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2039                 {
2040                         free(buffer);
2041                         break;
2042                 }
2043
2044                 u32 offset=0;
2045                 u32 length=buf_cnt;
2046
2047
2048                 /* DANGER!!! beware of unsigned comparision here!!! */
2049
2050                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
2051                                 (image.sections[i].base_address<max_address))
2052                 {
2053                         if (image.sections[i].base_address<min_address)
2054                         {
2055                                 /* clip addresses below */
2056                                 offset+=min_address-image.sections[i].base_address;
2057                                 length-=offset;
2058                         }
2059
2060                         if (image.sections[i].base_address+buf_cnt>max_address)
2061                         {
2062                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
2063                         }
2064
2065                         if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
2066                         {
2067                                 free(buffer);
2068                                 break;
2069                         }
2070                         image_size += length;
2071                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
2072                 }
2073
2074                 free(buffer);
2075         }
2076
2077         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2078         {
2079                 image_close(&image);
2080                 return retvaltemp;
2081         }
2082
2083         if (retval==ERROR_OK)
2084         {
2085                 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2086         }
2087         free(duration_text);
2088
2089         image_close(&image);
2090
2091         return retval;
2092
2093 }
2094
2095 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2096 {
2097         fileio_t fileio;
2098
2099         u32 address;
2100         u32 size;
2101         u8 buffer[560];
2102         int retval=ERROR_OK, retvaltemp;
2103
2104         duration_t duration;
2105         char *duration_text;
2106
2107         target_t *target = get_current_target(cmd_ctx);
2108
2109         if (argc != 3)
2110         {
2111                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2112                 return ERROR_OK;
2113         }
2114
2115         address = strtoul(args[1], NULL, 0);
2116         size = strtoul(args[2], NULL, 0);
2117
2118         if ((address & 3) || (size & 3))
2119         {
2120                 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2121                 return ERROR_OK;
2122         }
2123
2124         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2125         {
2126                 return ERROR_OK;
2127         }
2128
2129         duration_start_measure(&duration);
2130
2131         while (size > 0)
2132         {
2133                 u32 size_written;
2134                 u32 this_run_size = (size > 560) ? 560 : size;
2135
2136                 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2137                 if (retval != ERROR_OK)
2138                 {
2139                         break;
2140                 }
2141
2142                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2143                 if (retval != ERROR_OK)
2144                 {
2145                         break;
2146                 }
2147
2148                 size -= this_run_size;
2149                 address += this_run_size;
2150         }
2151
2152         if((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2153                 return retvaltemp;
2154
2155         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2156                 return retvaltemp;
2157
2158         if (retval==ERROR_OK)
2159         {
2160                 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2161         }
2162         free(duration_text);
2163
2164         return ERROR_OK;
2165 }
2166
2167 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2168 {
2169         u8 *buffer;
2170         u32 buf_cnt;
2171         u32 image_size;
2172         int i;
2173         int retval, retvaltemp;
2174         u32 checksum = 0;
2175         u32 mem_checksum = 0;
2176
2177         image_t image;
2178
2179         duration_t duration;
2180         char *duration_text;
2181
2182         target_t *target = get_current_target(cmd_ctx);
2183
2184         if (argc < 1)
2185         {
2186                 return ERROR_COMMAND_SYNTAX_ERROR;
2187         }
2188
2189         if (!target)
2190         {
2191                 LOG_ERROR("no target selected");
2192                 return ERROR_FAIL;
2193         }
2194
2195         duration_start_measure(&duration);
2196
2197         if (argc >= 2)
2198         {
2199                 image.base_address_set = 1;
2200                 image.base_address = strtoul(args[1], NULL, 0);
2201         }
2202         else
2203         {
2204                 image.base_address_set = 0;
2205                 image.base_address = 0x0;
2206         }
2207
2208         image.start_address_set = 0;
2209
2210         if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2211         {
2212                 return retval;
2213         }
2214
2215         image_size = 0x0;
2216         retval=ERROR_OK;
2217         for (i = 0; i < image.num_sections; i++)
2218         {
2219                 buffer = malloc(image.sections[i].size);
2220                 if (buffer == NULL)
2221                 {
2222                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2223                         break;
2224                 }
2225                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2226                 {
2227                         free(buffer);
2228                         break;
2229                 }
2230
2231                 /* calculate checksum of image */
2232                 image_calculate_checksum( buffer, buf_cnt, &checksum );
2233
2234                 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2235                 if( retval != ERROR_OK )
2236                 {
2237                         free(buffer);
2238                         break;
2239                 }
2240
2241                 if( checksum != mem_checksum )
2242                 {
2243                         /* failed crc checksum, fall back to a binary compare */
2244                         u8 *data;
2245
2246                         command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2247
2248                         data = (u8*)malloc(buf_cnt);
2249
2250                         /* Can we use 32bit word accesses? */
2251                         int size = 1;
2252                         int count = buf_cnt;
2253                         if ((count % 4) == 0)
2254                         {
2255                                 size *= 4;
2256                                 count /= 4;
2257                         }
2258                         retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2259                         if (retval == ERROR_OK)
2260                         {
2261                                 int t;
2262                                 for (t = 0; t < buf_cnt; t++)
2263                                 {
2264                                         if (data[t] != buffer[t])
2265                                         {
2266                                                 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]);
2267                                                 free(data);
2268                                                 free(buffer);
2269                                                 retval=ERROR_FAIL;
2270                                                 goto done;
2271                                         }
2272                                         if ((t%16384)==0)
2273                                         {
2274                                                 keep_alive();
2275                                         }
2276                                 }
2277                         }
2278
2279                         free(data);
2280                 }
2281
2282                 free(buffer);
2283                 image_size += buf_cnt;
2284         }
2285 done:
2286
2287         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2288         {
2289                 image_close(&image);
2290                 return retvaltemp;
2291         }
2292
2293         if (retval==ERROR_OK)
2294         {
2295                 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2296         }
2297         free(duration_text);
2298
2299         image_close(&image);
2300
2301         return retval;
2302 }
2303
2304 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2305 {
2306         int retval;
2307         target_t *target = get_current_target(cmd_ctx);
2308
2309         if (argc == 0)
2310         {
2311                 breakpoint_t *breakpoint = target->breakpoints;
2312
2313                 while (breakpoint)
2314                 {
2315                         if (breakpoint->type == BKPT_SOFT)
2316                         {
2317                                 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2318                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2319                                 free(buf);
2320                         }
2321                         else
2322                         {
2323                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2324                         }
2325                         breakpoint = breakpoint->next;
2326                 }
2327         }
2328         else if (argc >= 2)
2329         {
2330                 int hw = BKPT_SOFT;
2331                 u32 length = 0;
2332
2333                 length = strtoul(args[1], NULL, 0);
2334
2335                 if (argc >= 3)
2336                         if (strcmp(args[2], "hw") == 0)
2337                                 hw = BKPT_HARD;
2338
2339                 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2340                 {
2341                         LOG_ERROR("Failure setting breakpoints");
2342                 }
2343                 else
2344                 {
2345                         command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2346                 }
2347         }
2348         else
2349         {
2350                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2351         }
2352
2353         return ERROR_OK;
2354 }
2355
2356 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2357 {
2358         target_t *target = get_current_target(cmd_ctx);
2359
2360         if (argc > 0)
2361                 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2362
2363         return ERROR_OK;
2364 }
2365
2366 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2367 {
2368         target_t *target = get_current_target(cmd_ctx);
2369         int retval;
2370
2371         if (argc == 0)
2372         {
2373                 watchpoint_t *watchpoint = target->watchpoints;
2374
2375                 while (watchpoint)
2376                 {
2377                         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);
2378                         watchpoint = watchpoint->next;
2379                 }
2380         }
2381         else if (argc >= 2)
2382         {
2383                 enum watchpoint_rw type = WPT_ACCESS;
2384                 u32 data_value = 0x0;
2385                 u32 data_mask = 0xffffffff;
2386
2387                 if (argc >= 3)
2388                 {
2389                         switch(args[2][0])
2390                         {
2391                                 case 'r':
2392                                         type = WPT_READ;
2393                                         break;
2394                                 case 'w':
2395                                         type = WPT_WRITE;
2396                                         break;
2397                                 case 'a':
2398                                         type = WPT_ACCESS;
2399                                         break;
2400                                 default:
2401                                         command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2402                                         return ERROR_OK;
2403                         }
2404                 }
2405                 if (argc >= 4)
2406                 {
2407                         data_value = strtoul(args[3], NULL, 0);
2408                 }
2409                 if (argc >= 5)
2410                 {
2411                         data_mask = strtoul(args[4], NULL, 0);
2412                 }
2413
2414                 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2415                                 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2416                 {
2417                         LOG_ERROR("Failure setting breakpoints");
2418                 }
2419         }
2420         else
2421         {
2422                 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2423         }
2424
2425         return ERROR_OK;
2426 }
2427
2428 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2429 {
2430         target_t *target = get_current_target(cmd_ctx);
2431
2432         if (argc > 0)
2433                 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2434
2435         return ERROR_OK;
2436 }
2437
2438 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2439 {
2440         int retval;
2441         target_t *target = get_current_target(cmd_ctx);
2442         u32 va;
2443         u32 pa;
2444
2445         if (argc != 1)
2446         {
2447                 return ERROR_COMMAND_SYNTAX_ERROR;
2448         }
2449         va = strtoul(args[0], NULL, 0);
2450
2451         retval = target->type->virt2phys(target, va, &pa);
2452         if (retval == ERROR_OK)
2453         {
2454                 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2455         }
2456         else
2457         {
2458                 /* lower levels will have logged a detailed error which is
2459                  * forwarded to telnet/GDB session.
2460                  */
2461         }
2462         return retval;
2463 }
2464 static void writeLong(FILE *f, int l)
2465 {
2466         int i;
2467         for (i=0; i<4; i++)
2468         {
2469                 char c=(l>>(i*8))&0xff;
2470                 fwrite(&c, 1, 1, f);
2471         }
2472
2473 }
2474 static void writeString(FILE *f, char *s)
2475 {
2476         fwrite(s, 1, strlen(s), f);
2477 }
2478
2479
2480
2481 // Dump a gmon.out histogram file.
2482 static void writeGmon(u32 *samples, int sampleNum, char *filename)
2483 {
2484         int i;
2485         FILE *f=fopen(filename, "w");
2486         if (f==NULL)
2487                 return;
2488         fwrite("gmon", 1, 4, f);
2489         writeLong(f, 0x00000001); // Version
2490         writeLong(f, 0); // padding
2491         writeLong(f, 0); // padding
2492         writeLong(f, 0); // padding
2493
2494         fwrite("", 1, 1, f);  // GMON_TAG_TIME_HIST
2495
2496         // figure out bucket size
2497         u32 min=samples[0];
2498         u32 max=samples[0];
2499         for (i=0; i<sampleNum; i++)
2500         {
2501                 if (min>samples[i])
2502                 {
2503                         min=samples[i];
2504                 }
2505                 if (max<samples[i])
2506                 {
2507                         max=samples[i];
2508                 }
2509         }
2510
2511         int addressSpace=(max-min+1);
2512
2513         static int const maxBuckets=256*1024; // maximum buckets.
2514         int length=addressSpace;
2515         if (length > maxBuckets)
2516         {
2517                 length=maxBuckets;
2518         }
2519         int *buckets=malloc(sizeof(int)*length);
2520         if (buckets==NULL)
2521         {
2522                 fclose(f);
2523                 return;
2524         }
2525         memset(buckets, 0, sizeof(int)*length);
2526         for (i=0; i<sampleNum;i++)
2527         {
2528                 u32 address=samples[i];
2529                 long long a=address-min;
2530                 long long b=length-1;
2531                 long long c=addressSpace-1;
2532                 int index=(a*b)/c; // danger!!!! int32 overflows
2533                 buckets[index]++;
2534         }
2535
2536         //                         append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr))
2537         writeLong(f, min);                                      // low_pc
2538         writeLong(f, max);              // high_pc
2539         writeLong(f, length);           // # of samples
2540         writeLong(f, 64000000);                         // 64MHz
2541         writeString(f, "seconds");
2542         for (i=0; i<(15-strlen("seconds")); i++)
2543         {
2544                 fwrite("", 1, 1, f);  // padding
2545         }
2546         writeString(f, "s");
2547
2548 //                         append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size)
2549
2550         char *data=malloc(2*length);
2551         if (data!=NULL)
2552         {
2553                 for (i=0; i<length;i++)
2554                 {
2555                         int val;
2556                         val=buckets[i];
2557                         if (val>65535)
2558                         {
2559                                 val=65535;
2560                         }
2561                         data[i*2]=val&0xff;
2562                         data[i*2+1]=(val>>8)&0xff;
2563                 }
2564                 free(buckets);
2565                 fwrite(data, 1, length*2, f);
2566                 free(data);
2567         } else
2568         {
2569                 free(buckets);
2570         }
2571
2572         fclose(f);
2573 }
2574
2575 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2576 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2577 {
2578         target_t *target = get_current_target(cmd_ctx);
2579         struct timeval timeout, now;
2580
2581         gettimeofday(&timeout, NULL);
2582         if (argc!=2)
2583         {
2584                 return ERROR_COMMAND_SYNTAX_ERROR;
2585         }
2586         char *end;
2587         timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2588         if (*end)
2589         {
2590                 return ERROR_OK;
2591         }
2592
2593         command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2594
2595         static const int maxSample=10000;
2596         u32 *samples=malloc(sizeof(u32)*maxSample);
2597         if (samples==NULL)
2598                 return ERROR_OK;
2599
2600         int numSamples=0;
2601         int retval=ERROR_OK;
2602         // hopefully it is safe to cache! We want to stop/restart as quickly as possible.
2603         reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2604
2605         for (;;)
2606         {
2607                 target_poll(target);
2608                 if (target->state == TARGET_HALTED)
2609                 {
2610                         u32 t=*((u32 *)reg->value);
2611                         samples[numSamples++]=t;
2612                         retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2613                         target_poll(target);
2614                         alive_sleep(10); // sleep 10ms, i.e. <100 samples/second.
2615                 } else if (target->state == TARGET_RUNNING)
2616                 {
2617                         // We want to quickly sample the PC.
2618                         if((retval = target_halt(target)) != ERROR_OK)
2619                         {
2620                                 free(samples);
2621                                 return retval;
2622                         }
2623                 } else
2624                 {
2625                         command_print(cmd_ctx, "Target not halted or running");
2626                         retval=ERROR_OK;
2627                         break;
2628                 }
2629                 if (retval!=ERROR_OK)
2630                 {
2631                         break;
2632                 }
2633
2634                 gettimeofday(&now, NULL);
2635                 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2636                 {
2637                         command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2638                         if((retval = target_poll(target)) != ERROR_OK)
2639                         {
2640                                 free(samples);
2641                                 return retval;
2642                         }
2643                         if (target->state == TARGET_HALTED)
2644                         {
2645                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2646                         }
2647                         if((retval = target_poll(target)) != ERROR_OK)
2648                         {
2649                                 free(samples);
2650                                 return retval;
2651                         }
2652                         writeGmon(samples, numSamples, args[1]);
2653                         command_print(cmd_ctx, "Wrote %s", args[1]);
2654                         break;
2655                 }
2656         }
2657         free(samples);
2658
2659         return ERROR_OK;
2660 }
2661
2662 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2663 {
2664         char *namebuf;
2665         Jim_Obj *nameObjPtr, *valObjPtr;
2666         int result;
2667
2668         namebuf = alloc_printf("%s(%d)", varname, idx);
2669         if (!namebuf)
2670                 return JIM_ERR;
2671
2672         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2673         valObjPtr = Jim_NewIntObj(interp, val);
2674         if (!nameObjPtr || !valObjPtr)
2675         {
2676                 free(namebuf);
2677                 return JIM_ERR;
2678         }
2679
2680         Jim_IncrRefCount(nameObjPtr);
2681         Jim_IncrRefCount(valObjPtr);
2682         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2683         Jim_DecrRefCount(interp, nameObjPtr);
2684         Jim_DecrRefCount(interp, valObjPtr);
2685         free(namebuf);
2686         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2687         return result;
2688 }
2689
2690 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2691 {
2692         command_context_t *context;
2693         target_t *target;
2694
2695         context = Jim_GetAssocData(interp, "context");
2696         if (context == NULL)
2697         {
2698                 LOG_ERROR("mem2array: no command context");
2699                 return JIM_ERR;
2700         }
2701         target = get_current_target(context);
2702         if (target == NULL)
2703         {
2704                 LOG_ERROR("mem2array: no current target");
2705                 return JIM_ERR;
2706         }
2707
2708         return  target_mem2array(interp, target, argc,argv);
2709 }
2710
2711 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2712 {
2713         long l;
2714         u32 width;
2715         int len;
2716         u32 addr;
2717         u32 count;
2718         u32 v;
2719         const char *varname;
2720         u8 buffer[4096];
2721         int  i, n, e, retval;
2722
2723         /* argv[1] = name of array to receive the data
2724          * argv[2] = desired width
2725          * argv[3] = memory address
2726          * argv[4] = count of times to read
2727          */
2728         if (argc != 5) {
2729                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2730                 return JIM_ERR;
2731         }
2732         varname = Jim_GetString(argv[1], &len);
2733         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2734
2735         e = Jim_GetLong(interp, argv[2], &l);
2736         width = l;
2737         if (e != JIM_OK) {
2738                 return e;
2739         }
2740
2741         e = Jim_GetLong(interp, argv[3], &l);
2742         addr = l;
2743         if (e != JIM_OK) {
2744                 return e;
2745         }
2746         e = Jim_GetLong(interp, argv[4], &l);
2747         len = l;
2748         if (e != JIM_OK) {
2749                 return e;
2750         }
2751         switch (width) {
2752                 case 8:
2753                         width = 1;
2754                         break;
2755                 case 16:
2756                         width = 2;
2757                         break;
2758                 case 32:
2759                         width = 4;
2760                         break;
2761                 default:
2762                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2763                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2764                         return JIM_ERR;
2765         }
2766         if (len == 0) {
2767                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2768                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2769                 return JIM_ERR;
2770         }
2771         if ((addr + (len * width)) < addr) {
2772                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2773                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2774                 return JIM_ERR;
2775         }
2776         /* absurd transfer size? */
2777         if (len > 65536) {
2778                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2779                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2780                 return JIM_ERR;
2781         }
2782
2783         if ((width == 1) ||
2784                 ((width == 2) && ((addr & 1) == 0)) ||
2785                 ((width == 4) && ((addr & 3) == 0))) {
2786                 /* all is well */
2787         } else {
2788                 char buf[100];
2789                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2790                 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2791                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2792                 return JIM_ERR;
2793         }
2794
2795         /* Transfer loop */
2796
2797         /* index counter */
2798         n = 0;
2799         /* assume ok */
2800         e = JIM_OK;
2801         while (len) {
2802                 /* Slurp... in buffer size chunks */
2803
2804                 count = len; /* in objects.. */
2805                 if (count > (sizeof(buffer)/width)) {
2806                         count = (sizeof(buffer)/width);
2807                 }
2808
2809                 retval = target->type->read_memory( target, addr, width, count, buffer );
2810                 if (retval != ERROR_OK) {
2811                         /* BOO !*/
2812                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2813                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2814                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2815                         e = JIM_ERR;
2816                         len = 0;
2817                 } else {
2818                         v = 0; /* shut up gcc */
2819                         for (i = 0 ;i < count ;i++, n++) {
2820                                 switch (width) {
2821                                         case 4:
2822                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
2823                                                 break;
2824                                         case 2:
2825                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
2826                                                 break;
2827                                         case 1:
2828                                                 v = buffer[i] & 0x0ff;
2829                                                 break;
2830                                 }
2831                                 new_int_array_element(interp, varname, n, v);
2832                         }
2833                         len -= count;
2834                 }
2835         }
2836
2837         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2838
2839         return JIM_OK;
2840 }
2841
2842 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
2843 {
2844         char *namebuf;
2845         Jim_Obj *nameObjPtr, *valObjPtr;
2846         int result;
2847         long l;
2848
2849         namebuf = alloc_printf("%s(%d)", varname, idx);
2850         if (!namebuf)
2851                 return JIM_ERR;
2852
2853         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2854         if (!nameObjPtr)
2855         {
2856                 free(namebuf);
2857                 return JIM_ERR;
2858         }
2859
2860         Jim_IncrRefCount(nameObjPtr);
2861         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
2862         Jim_DecrRefCount(interp, nameObjPtr);
2863         free(namebuf);
2864         if (valObjPtr == NULL)
2865                 return JIM_ERR;
2866
2867         result = Jim_GetLong(interp, valObjPtr, &l);
2868         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
2869         *val = l;
2870         return result;
2871 }
2872
2873 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2874 {
2875         command_context_t *context;
2876         target_t *target;
2877
2878         context = Jim_GetAssocData(interp, "context");
2879         if (context == NULL){
2880                 LOG_ERROR("array2mem: no command context");
2881                 return JIM_ERR;
2882         }
2883         target = get_current_target(context);
2884         if (target == NULL){
2885                 LOG_ERROR("array2mem: no current target");
2886                 return JIM_ERR;
2887         }
2888
2889         return target_array2mem( interp,target, argc, argv );
2890 }
2891
2892
2893 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2894 {
2895         long l;
2896         u32 width;
2897         int len;
2898         u32 addr;
2899         u32 count;
2900         u32 v;
2901         const char *varname;
2902         u8 buffer[4096];
2903         int  i, n, e, retval;
2904
2905         /* argv[1] = name of array to get the data
2906          * argv[2] = desired width
2907          * argv[3] = memory address
2908          * argv[4] = count to write
2909          */
2910         if (argc != 5) {
2911                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2912                 return JIM_ERR;
2913         }
2914         varname = Jim_GetString(argv[1], &len);
2915         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2916
2917         e = Jim_GetLong(interp, argv[2], &l);
2918         width = l;
2919         if (e != JIM_OK) {
2920                 return e;
2921         }
2922
2923         e = Jim_GetLong(interp, argv[3], &l);
2924         addr = l;
2925         if (e != JIM_OK) {
2926                 return e;
2927         }
2928         e = Jim_GetLong(interp, argv[4], &l);
2929         len = l;
2930         if (e != JIM_OK) {
2931                 return e;
2932         }
2933         switch (width) {
2934                 case 8:
2935                         width = 1;
2936                         break;
2937                 case 16:
2938                         width = 2;
2939                         break;
2940                 case 32:
2941                         width = 4;
2942                         break;
2943                 default:
2944                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2945                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2946                         return JIM_ERR;
2947         }
2948         if (len == 0) {
2949                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2950                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
2951                 return JIM_ERR;
2952         }
2953         if ((addr + (len * width)) < addr) {
2954                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2955                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
2956                 return JIM_ERR;
2957         }
2958         /* absurd transfer size? */
2959         if (len > 65536) {
2960                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2961                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
2962                 return JIM_ERR;
2963         }
2964
2965         if ((width == 1) ||
2966                 ((width == 2) && ((addr & 1) == 0)) ||
2967                 ((width == 4) && ((addr & 3) == 0))) {
2968                 /* all is well */
2969         } else {
2970                 char buf[100];
2971                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2972                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
2973                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2974                 return JIM_ERR;
2975         }
2976
2977
2978         /* Transfer loop */
2979
2980         /* index counter */
2981         n = 0;
2982         /* assume ok */
2983         e = JIM_OK;
2984         while (len) {
2985                 /* Slurp... in buffer size chunks */
2986
2987                 count = len; /* in objects.. */
2988                 if (count > (sizeof(buffer)/width)) {
2989                         count = (sizeof(buffer)/width);
2990                 }
2991
2992                 v = 0; /* shut up gcc */
2993                 for (i = 0 ;i < count ;i++, n++) {
2994                         get_int_array_element(interp, varname, n, &v);
2995                         switch (width) {
2996                         case 4:
2997                                 target_buffer_set_u32(target, &buffer[i*width], v);
2998                                 break;
2999                         case 2:
3000                                 target_buffer_set_u16(target, &buffer[i*width], v);
3001                                 break;
3002                         case 1:
3003                                 buffer[i] = v & 0x0ff;
3004                                 break;
3005                         }
3006                 }
3007                 len -= count;
3008
3009                 retval = target->type->write_memory(target, addr, width, count, buffer);
3010                 if (retval != ERROR_OK) {
3011                         /* BOO !*/
3012                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
3013                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3014                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3015                         e = JIM_ERR;
3016                         len = 0;
3017                 }
3018         }
3019
3020         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3021
3022         return JIM_OK;
3023 }
3024
3025 void
3026 target_all_handle_event( enum target_event e )
3027 {
3028         target_t *target;
3029
3030
3031         LOG_DEBUG( "**all*targets: event: %d, %s",
3032                    e,
3033                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3034
3035         target = all_targets;
3036         while (target){
3037                 target_handle_event( target, e );
3038                 target = target->next;
3039         }
3040 }
3041
3042 void
3043 target_handle_event( target_t *target, enum target_event e )
3044 {
3045         target_event_action_t *teap;
3046         int done;
3047
3048         teap = target->event_action;
3049
3050         done = 0;
3051         while( teap ){
3052                 if( teap->event == e ){
3053                         done = 1;
3054                         LOG_DEBUG( "target: (%d) %s (%s) event: %d (%s) action: %s\n",
3055                                            target->target_number,
3056                                            target->cmd_name,
3057                                            target->type->name,
3058                                            e,
3059                                            Jim_Nvp_value2name_simple( nvp_target_event, e )->name,
3060                                            Jim_GetString( teap->body, NULL ) );
3061                         if (Jim_EvalObj( interp, teap->body )!=JIM_OK)
3062                         {
3063                                 Jim_PrintErrorMessage(interp);
3064                         }
3065                 }
3066                 teap = teap->next;
3067         }
3068         if( !done ){
3069                 LOG_DEBUG( "event: %d %s - no action",
3070                                    e,
3071                                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3072         }
3073 }
3074
3075 enum target_cfg_param {
3076         TCFG_TYPE,
3077         TCFG_EVENT,
3078         TCFG_WORK_AREA_VIRT,
3079         TCFG_WORK_AREA_PHYS,
3080         TCFG_WORK_AREA_SIZE,
3081         TCFG_WORK_AREA_BACKUP,
3082         TCFG_ENDIAN,
3083         TCFG_VARIANT,
3084         TCFG_CHAIN_POSITION,
3085 };
3086
3087
3088 static Jim_Nvp nvp_config_opts[] = {
3089         { .name = "-type",             .value = TCFG_TYPE },
3090         { .name = "-event",            .value = TCFG_EVENT },
3091         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3092         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3093         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3094         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3095         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3096         { .name = "-variant",          .value = TCFG_VARIANT },
3097         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3098
3099         { .name = NULL, .value = -1 }
3100 };
3101
3102
3103 static int
3104 target_configure( Jim_GetOptInfo *goi,
3105                                   target_t *target )
3106 {
3107         Jim_Nvp *n;
3108         Jim_Obj *o;
3109         jim_wide w;
3110         char *cp;
3111         int e;
3112
3113
3114         /* parse config or cget options ... */
3115         while( goi->argc > 0 ){
3116                 Jim_SetEmptyResult( goi->interp );
3117                 //Jim_GetOpt_Debug( goi );
3118
3119                 if( target->type->target_jim_configure ){
3120                         /* target defines a configure function */
3121                         /* target gets first dibs on parameters */
3122                         e = (*(target->type->target_jim_configure))( target, goi );
3123                         if( e == JIM_OK ){
3124                                 /* more? */
3125                                 continue;
3126                         }
3127                         if( e == JIM_ERR ){
3128                                 /* An error */
3129                                 return e;
3130                         }
3131                         /* otherwise we 'continue' below */
3132                 }
3133                 e = Jim_GetOpt_Nvp( goi, nvp_config_opts, &n );
3134                 if( e != JIM_OK ){
3135                         Jim_GetOpt_NvpUnknown( goi, nvp_config_opts, 0 );
3136                         return e;
3137                 }
3138                 switch( n->value ){
3139                 case TCFG_TYPE:
3140                         /* not setable */
3141                         if( goi->isconfigure ){
3142                                 Jim_SetResult_sprintf( goi->interp, "not setable: %s", n->name );
3143                                 return JIM_ERR;
3144                         } else {
3145                         no_params:
3146                                 if( goi->argc != 0 ){
3147                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "NO PARAMS");
3148                                         return JIM_ERR;
3149                                 }
3150                         }
3151                         Jim_SetResultString( goi->interp, target->type->name, -1 );
3152                         /* loop for more */
3153                         break;
3154                 case TCFG_EVENT:
3155                         if( goi->argc == 0 ){
3156                                 Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3157                                 return JIM_ERR;
3158                         }
3159
3160                         e = Jim_GetOpt_Nvp( goi, nvp_target_event, &n );
3161                         if( e != JIM_OK ){
3162                                 Jim_GetOpt_NvpUnknown( goi, nvp_target_event, 1 );
3163                                 return e;
3164                         }
3165
3166                         if( goi->isconfigure ){
3167                                 if( goi->argc != 1 ){
3168                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3169                                         return JIM_ERR;
3170                                 }
3171                         } else {
3172                                 if( goi->argc != 0 ){
3173                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3174                                         return JIM_ERR;
3175                                 }
3176                         }
3177
3178
3179                         {
3180                                 target_event_action_t *teap;
3181
3182                                 teap = target->event_action;
3183                                 /* replace existing? */
3184                                 while( teap ){
3185                                         if( teap->event == n->value ){
3186                                                 break;
3187                                         }
3188                                         teap = teap->next;
3189                                 }
3190
3191                                 if( goi->isconfigure ){
3192                                         if( teap == NULL ){
3193                                                 /* create new */
3194                                                 teap = calloc( 1, sizeof(*teap) );
3195                                         }
3196                                         teap->event = n->value;
3197                                         Jim_GetOpt_Obj( goi, &o );
3198                                         if( teap->body ){
3199                                                 Jim_DecrRefCount( interp, teap->body );
3200                                         }
3201                                         teap->body  = Jim_DuplicateObj( goi->interp, o );
3202                                         /*
3203                                          * FIXME:
3204                                          *     Tcl/TK - "tk events" have a nice feature.
3205                                          *     See the "BIND" command.
3206                                          *    We should support that here.
3207                                          *     You can specify %X and %Y in the event code.
3208                                          *     The idea is: %T - target name.
3209                                          *     The idea is: %N - target number
3210                                          *     The idea is: %E - event name.
3211                                          */
3212                                         Jim_IncrRefCount( teap->body );
3213
3214                                         /* add to head of event list */
3215                                         teap->next = target->event_action;
3216                                         target->event_action = teap;
3217                                         Jim_SetEmptyResult(goi->interp);
3218                                 } else {
3219                                         /* get */
3220                                         if( teap == NULL ){
3221                                                 Jim_SetEmptyResult( goi->interp );
3222                                         } else {
3223                                                 Jim_SetResult( goi->interp, Jim_DuplicateObj( goi->interp, teap->body ) );
3224                                         }
3225                                 }
3226                         }
3227                         /* loop for more */
3228                         break;
3229
3230                 case TCFG_WORK_AREA_VIRT:
3231                         if( goi->isconfigure ){
3232                                 target_free_all_working_areas(target);
3233                                 e = Jim_GetOpt_Wide( goi, &w );
3234                                 if( e != JIM_OK ){
3235                                         return e;
3236                                 }
3237                                 target->working_area_virt = w;
3238                         } else {
3239                                 if( goi->argc != 0 ){
3240                                         goto no_params;
3241                                 }
3242                         }
3243                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_virt ) );
3244                         /* loop for more */
3245                         break;
3246
3247                 case TCFG_WORK_AREA_PHYS:
3248                         if( goi->isconfigure ){
3249                                 target_free_all_working_areas(target);
3250                                 e = Jim_GetOpt_Wide( goi, &w );
3251                                 if( e != JIM_OK ){
3252                                         return e;
3253                                 }
3254                                 target->working_area_phys = w;
3255                         } else {
3256                                 if( goi->argc != 0 ){
3257                                         goto no_params;
3258                                 }
3259                         }
3260                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_phys ) );
3261                         /* loop for more */
3262                         break;
3263
3264                 case TCFG_WORK_AREA_SIZE:
3265                         if( goi->isconfigure ){
3266                                 target_free_all_working_areas(target);
3267                                 e = Jim_GetOpt_Wide( goi, &w );
3268                                 if( e != JIM_OK ){
3269                                         return e;
3270                                 }
3271                                 target->working_area_size = w;
3272                         } else {
3273                                 if( goi->argc != 0 ){
3274                                         goto no_params;
3275                                 }
3276                         }
3277                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3278                         /* loop for more */
3279                         break;
3280
3281                 case TCFG_WORK_AREA_BACKUP:
3282                         if( goi->isconfigure ){
3283                                 target_free_all_working_areas(target);
3284                                 e = Jim_GetOpt_Wide( goi, &w );
3285                                 if( e != JIM_OK ){
3286                                         return e;
3287                                 }
3288                                 /* make this exactly 1 or 0 */
3289                                 target->backup_working_area = (!!w);
3290                         } else {
3291                                 if( goi->argc != 0 ){
3292                                         goto no_params;
3293                                 }
3294                         }
3295                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3296                         /* loop for more e*/
3297                         break;
3298
3299                 case TCFG_ENDIAN:
3300                         if( goi->isconfigure ){
3301                                 e = Jim_GetOpt_Nvp( goi, nvp_target_endian, &n );
3302                                 if( e != JIM_OK ){
3303                                         Jim_GetOpt_NvpUnknown( goi, nvp_target_endian, 1 );
3304                                         return e;
3305                                 }
3306                                 target->endianness = n->value;
3307                         } else {
3308                                 if( goi->argc != 0 ){
3309                                         goto no_params;
3310                                 }
3311                         }
3312                         n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3313                         if( n->name == NULL ){
3314                                 target->endianness = TARGET_LITTLE_ENDIAN;
3315                                 n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3316                         }
3317                         Jim_SetResultString( goi->interp, n->name, -1 );
3318                         /* loop for more */
3319                         break;
3320
3321                 case TCFG_VARIANT:
3322                         if( goi->isconfigure ){
3323                                 if( goi->argc < 1 ){
3324                                         Jim_SetResult_sprintf( goi->interp,
3325                                                                                    "%s ?STRING?",
3326                                                                                    n->name );
3327                                         return JIM_ERR;
3328                                 }
3329                                 if( target->variant ){
3330                                         free((void *)(target->variant));
3331                                 }
3332                                 e = Jim_GetOpt_String( goi, &cp, NULL );
3333                                 target->variant = strdup(cp);
3334                         } else {
3335                                 if( goi->argc != 0 ){
3336                                         goto no_params;
3337                                 }
3338                         }
3339                         Jim_SetResultString( goi->interp, target->variant,-1 );
3340                         /* loop for more */
3341                         break;
3342                 case TCFG_CHAIN_POSITION:
3343                         if( goi->isconfigure ){
3344                                 target_free_all_working_areas(target);
3345                                 e = Jim_GetOpt_Wide( goi, &w );
3346                                 if( e != JIM_OK ){
3347                                         return e;
3348                                 }
3349                                 /* make this exactly 1 or 0 */
3350                                 target->chain_position = w;
3351                         } else {
3352                                 if( goi->argc != 0 ){
3353                                         goto no_params;
3354                                 }
3355                         }
3356                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->chain_position ) );
3357                         /* loop for more e*/
3358                         break;
3359                 }
3360         } /* while( goi->argc ) */
3361                 /* done - we return */
3362         return JIM_OK;
3363 }
3364
3365
3366 /** this is the 'tcl' handler for the target specific command */
3367 static int
3368 tcl_target_func( Jim_Interp *interp,
3369                                  int argc,
3370                                  Jim_Obj *const *argv )
3371 {
3372         Jim_GetOptInfo goi;
3373         jim_wide a,b,c;
3374         int x,y,z;
3375         u8  target_buf[32];
3376         Jim_Nvp *n;
3377         target_t *target;
3378         struct command_context_s *cmd_ctx;
3379         int e;
3380
3381
3382         enum {
3383                 TS_CMD_CONFIGURE,
3384                 TS_CMD_CGET,
3385
3386                 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3387                 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3388                 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3389                 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3390                 TS_CMD_EXAMINE,
3391                 TS_CMD_POLL,
3392                 TS_CMD_RESET,
3393                 TS_CMD_HALT,
3394                 TS_CMD_WAITSTATE,
3395                 TS_CMD_EVENTLIST,
3396                 TS_CMD_CURSTATE,
3397                 TS_CMD_INVOKE_EVENT,
3398         };
3399
3400         static const Jim_Nvp target_options[] = {
3401                 { .name = "configure", .value = TS_CMD_CONFIGURE },
3402                 { .name = "cget", .value = TS_CMD_CGET },
3403                 { .name = "mww", .value = TS_CMD_MWW },
3404                 { .name = "mwh", .value = TS_CMD_MWH },
3405                 { .name = "mwb", .value = TS_CMD_MWB },
3406                 { .name = "mdw", .value = TS_CMD_MDW },
3407                 { .name = "mdh", .value = TS_CMD_MDH },
3408                 { .name = "mdb", .value = TS_CMD_MDB },
3409                 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3410                 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3411                 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3412                 { .name = "curstate",  .value = TS_CMD_CURSTATE },
3413
3414                 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3415                 { .name = "arp_poll", .value = TS_CMD_POLL },
3416                 { .name = "arp_reset", .value = TS_CMD_RESET },
3417                 { .name = "arp_halt", .value = TS_CMD_HALT },
3418                 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3419                 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3420
3421                 { .name = NULL, .value = -1 },
3422         };
3423
3424
3425         /* go past the "command" */
3426         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3427
3428         target = Jim_CmdPrivData( goi.interp );
3429         cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3430
3431         /* commands here are in an NVP table */
3432         e = Jim_GetOpt_Nvp( &goi, target_options, &n );
3433         if( e != JIM_OK ){
3434                 Jim_GetOpt_NvpUnknown( &goi, target_options, 0 );
3435                 return e;
3436         }
3437         // Assume blank result
3438         Jim_SetEmptyResult( goi.interp );
3439
3440         switch( n->value ){
3441         case TS_CMD_CONFIGURE:
3442                 if( goi.argc < 2 ){
3443                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3444                         return JIM_ERR;
3445                 }
3446                 goi.isconfigure = 1;
3447                 return target_configure( &goi, target );
3448         case TS_CMD_CGET:
3449                 // some things take params
3450                 if( goi.argc < 1 ){
3451                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "missing: ?-option?");
3452                         return JIM_ERR;
3453                 }
3454                 goi.isconfigure = 0;
3455                 return target_configure( &goi, target );
3456                 break;
3457         case TS_CMD_MWW:
3458         case TS_CMD_MWH:
3459         case TS_CMD_MWB:
3460                 /* argv[0] = cmd
3461                  * argv[1] = address
3462                  * argv[2] = data
3463                  * argv[3] = optional count.
3464                  */
3465
3466                 if( (goi.argc == 3) || (goi.argc == 4) ){
3467                         /* all is well */
3468                 } else {
3469                 mwx_error:
3470                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR DATA [COUNT]", n->name );
3471                         return JIM_ERR;
3472                 }
3473
3474                 e = Jim_GetOpt_Wide( &goi, &a );
3475                 if( e != JIM_OK ){
3476                         goto mwx_error;
3477                 }
3478
3479                 e = Jim_GetOpt_Wide( &goi, &b );
3480                 if( e != JIM_OK ){
3481                         goto mwx_error;
3482                 }
3483                 if( goi.argc ){
3484                         e = Jim_GetOpt_Wide( &goi, &c );
3485                         if( e != JIM_OK ){
3486                                 goto mwx_error;
3487                         }
3488                 } else {
3489                         c = 1;
3490                 }
3491
3492                 switch( n->value ){
3493                 case TS_CMD_MWW:
3494                         target_buffer_set_u32( target, target_buf, b );
3495                         b = 4;
3496                         break;
3497                 case TS_CMD_MWH:
3498                         target_buffer_set_u16( target, target_buf, b );
3499                         b = 2;
3500                         break;
3501                 case TS_CMD_MWB:
3502                         target_buffer_set_u8( target, target_buf, b );
3503                         b = 1;
3504                         break;
3505                 }
3506                 for( x = 0 ; x < c ; x++ ){
3507                         e = target->type->write_memory( target, a, b, 1, target_buf );
3508                         if( e != ERROR_OK ){
3509                                 Jim_SetResult_sprintf( interp, "Error writing @ 0x%08x: %d\n", (int)(a), e );
3510                                 return JIM_ERR;
3511                         }
3512                         /* b = width */
3513                         a = a + b;
3514                 }
3515                 return JIM_OK;
3516                 break;
3517
3518                 /* display */
3519         case TS_CMD_MDW:
3520         case TS_CMD_MDH:
3521         case TS_CMD_MDB:
3522                 /* argv[0] = command
3523                  * argv[1] = address
3524                  * argv[2] = optional count
3525                  */
3526                 if( (goi.argc == 2) || (goi.argc == 3) ){
3527                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR [COUNT]", n->name );
3528                         return JIM_ERR;
3529                 }
3530                 e = Jim_GetOpt_Wide( &goi, &a );
3531                 if( e != JIM_OK ){
3532                         return JIM_ERR;
3533                 }
3534                 if( goi.argc ){
3535                         e = Jim_GetOpt_Wide( &goi, &c );
3536                         if( e != JIM_OK ){
3537                                 return JIM_ERR;
3538                         }
3539                 } else {
3540                         c = 1;
3541                 }
3542                 b = 1; /* shut up gcc */
3543                 switch( n->value ){
3544                 case TS_CMD_MDW:
3545                         b =  4;
3546                         break;
3547                 case TS_CMD_MDH:
3548                         b = 2;
3549                         break;
3550                 case TS_CMD_MDB:
3551                         b = 1;
3552                         break;
3553                 }
3554
3555                 /* convert to "bytes" */
3556                 c = c * b;
3557                 /* count is now in 'BYTES' */
3558                 while( c > 0 ){
3559                         y = c;
3560                         if( y > 16 ){
3561                                 y = 16;
3562                         }
3563                         e = target->type->read_memory( target, a, b, y / b, target_buf );
3564                         if( e != ERROR_OK ){
3565                                 Jim_SetResult_sprintf( interp, "error reading target @ 0x%08lx", (int)(a) );
3566                                 return JIM_ERR;
3567                         }
3568
3569                         Jim_fprintf( interp, interp->cookie_stdout, "0x%08x ", (int)(a) );
3570                         switch( b ){
3571                         case 4:
3572                                 for( x = 0 ; (x < 16) && (x < y) ; x += 4 ){
3573                                         z = target_buffer_get_u32( target, &(target_buf[ x * 4 ]) );
3574                                         Jim_fprintf( interp, interp->cookie_stdout, "%08x ", (int)(z) );
3575                                 }
3576                                 for( ; (x < 16) ; x += 4 ){
3577                                         Jim_fprintf( interp, interp->cookie_stdout, "         " );
3578                                 }
3579                                 break;
3580                         case 2:
3581                                 for( x = 0 ; (x < 16) && (x < y) ; x += 2 ){
3582                                         z = target_buffer_get_u16( target, &(target_buf[ x * 2 ]) );
3583                                         Jim_fprintf( interp, interp->cookie_stdout, "%04x ", (int)(z) );
3584                                 }
3585                                 for( ; (x < 16) ; x += 2 ){
3586                                         Jim_fprintf( interp, interp->cookie_stdout, "     " );
3587                                 }
3588                                 break;
3589                         case 1:
3590                         default:
3591                                 for( x = 0 ; (x < 16) && (x < y) ; x += 1 ){
3592                                         z = target_buffer_get_u8( target, &(target_buf[ x * 4 ]) );
3593                                         Jim_fprintf( interp, interp->cookie_stdout, "%02x ", (int)(z) );
3594                                 }
3595                                 for( ; (x < 16) ; x += 1 ){
3596                                         Jim_fprintf( interp, interp->cookie_stdout, "   " );
3597                                 }
3598                                 break;
3599                         }
3600                         /* ascii-ify the bytes */
3601                         for( x = 0 ; x < y ; x++ ){
3602                                 if( (target_buf[x] >= 0x20) &&
3603                                         (target_buf[x] <= 0x7e) ){
3604                                         /* good */
3605                                 } else {
3606                                         /* smack it */
3607                                         target_buf[x] = '.';
3608                                 }
3609                         }
3610                         /* space pad  */
3611                         while( x < 16 ){
3612                                 target_buf[x] = ' ';
3613                                 x++;
3614                         }
3615                         /* terminate */
3616                         target_buf[16] = 0;
3617                         /* print - with a newline */
3618                         Jim_fprintf( interp, interp->cookie_stdout, "%s\n", target_buf );
3619                         /* NEXT... */
3620                         c -= 16;
3621                         a += 16;
3622                 }
3623                 return JIM_OK;
3624         case TS_CMD_MEM2ARRAY:
3625                 return target_mem2array( goi.interp, target, goi.argc, goi.argv );
3626                 break;
3627         case TS_CMD_ARRAY2MEM:
3628                 return target_array2mem( goi.interp, target, goi.argc, goi.argv );
3629                 break;
3630         case TS_CMD_EXAMINE:
3631                 if( goi.argc ){
3632                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3633                         return JIM_ERR;
3634                 }
3635                 e = target->type->examine( target );
3636                 if( e != ERROR_OK ){
3637                         Jim_SetResult_sprintf( interp, "examine-fails: %d", e );
3638                         return JIM_ERR;
3639                 }
3640                 return JIM_OK;
3641         case TS_CMD_POLL:
3642                 if( goi.argc ){
3643                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3644                         return JIM_ERR;
3645                 }
3646                 if( !(target->type->examined) ){
3647                         e = ERROR_TARGET_NOT_EXAMINED;
3648                 } else {
3649                         e = target->type->poll( target );
3650                 }
3651                 if( e != ERROR_OK ){
3652                         Jim_SetResult_sprintf( interp, "poll-fails: %d", e );
3653                         return JIM_ERR;
3654                 } else {
3655                         return JIM_OK;
3656                 }
3657                 break;
3658         case TS_CMD_RESET:
3659                 if( goi.argc != 2 ){
3660                         Jim_WrongNumArgs( interp, 2, argv, "t|f|assert|deassert BOOL");
3661                         return JIM_ERR;
3662                 }
3663                 e = Jim_GetOpt_Nvp( &goi, nvp_assert, &n );
3664                 if( e != JIM_OK ){
3665                         Jim_GetOpt_NvpUnknown( &goi, nvp_assert, 1 );
3666                         return e;
3667                 }
3668                 // the halt or not param
3669                 e = Jim_GetOpt_Wide( &goi, &a);
3670                 if( e != JIM_OK ){
3671                         return e;
3672                 }
3673                 // determine if we should halt or not.
3674                 target->reset_halt = !!a;
3675                 // When this happens - all workareas are invalid.
3676                 target_free_all_working_areas_restore(target, 0);
3677
3678                 // do the assert
3679                 if( n->value == NVP_ASSERT ){
3680                         target->type->assert_reset( target );
3681                 } else {
3682                         target->type->deassert_reset( target );
3683                 }
3684                 return JIM_OK;
3685         case TS_CMD_HALT:
3686                 if( goi.argc ){
3687                         Jim_WrongNumArgs( goi.interp, 0, argv, "halt [no parameters]");
3688                         return JIM_ERR;
3689                 }
3690                 target->type->halt( target );
3691                 return JIM_OK;
3692         case TS_CMD_WAITSTATE:
3693                 // params:  <name>  statename timeoutmsecs
3694                 if( goi.argc != 2 ){
3695                         Jim_SetResult_sprintf( goi.interp, "%s STATENAME TIMEOUTMSECS", n->name );
3696                         return JIM_ERR;
3697                 }
3698                 e = Jim_GetOpt_Nvp( &goi, nvp_target_state, &n );
3699                 if( e != JIM_OK ){
3700                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_state,1 );
3701                         return e;
3702                 }
3703                 e = Jim_GetOpt_Wide( &goi, &a );
3704                 if( e != JIM_OK ){
3705                         return e;
3706                 }
3707                 e = target_wait_state( target, n->value, a );
3708                 if( e != ERROR_OK ){
3709                         Jim_SetResult_sprintf( goi.interp,
3710                                                                    "target: %s wait %s fails (%d) %s",
3711                                                                    target->cmd_name,
3712                                                                    n->name,
3713                                                e, target_strerror_safe(e) );
3714                         return JIM_ERR;
3715                 } else {
3716                         return JIM_OK;
3717                 }
3718         case TS_CMD_EVENTLIST:
3719                 /* List for human, Events defined for this target.
3720                  * scripts/programs should use 'name cget -event NAME'
3721                  */
3722                 {
3723                         target_event_action_t *teap;
3724                         teap = target->event_action;
3725                         command_print( cmd_ctx, "Event actions for target (%d) %s\n",
3726                                                    target->target_number,
3727                                                    target->cmd_name );
3728                         command_print( cmd_ctx, "%-25s | Body", "Event");
3729                         command_print( cmd_ctx, "------------------------- | ----------------------------------------");
3730                         while( teap ){
3731                                 command_print( cmd_ctx,
3732                                                            "%-25s | %s",
3733                                                            Jim_Nvp_value2name_simple( nvp_target_event, teap->event )->name,
3734                                                            Jim_GetString( teap->body, NULL ) );
3735                                 teap = teap->next;
3736                         }
3737                         command_print( cmd_ctx, "***END***");
3738                         return JIM_OK;
3739                 }
3740         case TS_CMD_CURSTATE:
3741                 if( goi.argc != 0 ){
3742                         Jim_WrongNumArgs( goi.interp, 0, argv, "[no parameters]");
3743                         return JIM_ERR;
3744                 }
3745                 Jim_SetResultString( goi.interp,
3746                                                          Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name,-1);
3747                 return JIM_OK;
3748         case TS_CMD_INVOKE_EVENT:
3749                 if( goi.argc != 1 ){
3750                         Jim_SetResult_sprintf( goi.interp, "%s ?EVENTNAME?",n->name);
3751                         return JIM_ERR;
3752                 }
3753                 e = Jim_GetOpt_Nvp( &goi, nvp_target_event, &n );
3754                 if( e != JIM_OK ){
3755                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_event, 1 );
3756                         return e;
3757                 }
3758                 target_handle_event( target, n->value );
3759                 return JIM_OK;
3760         }
3761         return JIM_ERR;
3762 }
3763
3764
3765 static int
3766 target_create( Jim_GetOptInfo *goi )
3767 {
3768
3769         Jim_Obj *new_cmd;
3770         Jim_Cmd *cmd;
3771         const char *cp;
3772         char *cp2;
3773         int e;
3774         int x;
3775         target_t *target;
3776         struct command_context_s *cmd_ctx;
3777
3778         cmd_ctx = Jim_GetAssocData(goi->interp, "context");
3779         if( goi->argc < 3 ){
3780                 Jim_WrongNumArgs( goi->interp, 1, goi->argv, "?name? ?type? ..options...");
3781                 return JIM_ERR;
3782         }
3783
3784         /* COMMAND */
3785         Jim_GetOpt_Obj( goi, &new_cmd );
3786         /* does this command exist? */
3787         cmd = Jim_GetCommand( goi->interp, new_cmd, JIM_ERRMSG );
3788         if( cmd ){
3789                 cp = Jim_GetString( new_cmd, NULL );
3790                 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
3791                 return JIM_ERR;
3792         }
3793
3794         /* TYPE */
3795         e = Jim_GetOpt_String( goi, &cp2, NULL );
3796         cp = cp2;
3797         /* now does target type exist */
3798         for( x = 0 ; target_types[x] ; x++ ){
3799                 if( 0 == strcmp( cp, target_types[x]->name ) ){
3800                         /* found */
3801                         break;
3802                 }
3803         }
3804         if( target_types[x] == NULL ){
3805                 Jim_SetResult_sprintf( goi->interp, "Unknown target type %s, try one of ", cp );
3806                 for( x = 0 ; target_types[x] ; x++ ){
3807                         if( target_types[x+1] ){
3808                                 Jim_AppendStrings( goi->interp,
3809                                                                    Jim_GetResult(goi->interp),
3810                                                                    target_types[x]->name,
3811                                                                    ", ", NULL);
3812                         } else {
3813                                 Jim_AppendStrings( goi->interp,
3814                                                                    Jim_GetResult(goi->interp),
3815                                                                    " or ",
3816                                                                    target_types[x]->name,NULL );
3817                         }
3818                 }
3819                 return JIM_ERR;
3820         }
3821
3822
3823         /* Create it */
3824         target = calloc(1,sizeof(target_t));
3825         /* set target number */
3826         target->target_number = new_target_number();
3827
3828         /* allocate memory for each unique target type */
3829         target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
3830
3831         memcpy( target->type, target_types[x], sizeof(target_type_t));
3832
3833         /* will be set by "-endian" */
3834         target->endianness = TARGET_ENDIAN_UNKNOWN;
3835
3836         target->working_area        = 0x0;
3837         target->working_area_size   = 0x0;
3838         target->working_areas       = NULL;
3839         target->backup_working_area = 0;
3840
3841         target->state               = TARGET_UNKNOWN;
3842         target->debug_reason        = DBG_REASON_UNDEFINED;
3843         target->reg_cache           = NULL;
3844         target->breakpoints         = NULL;
3845         target->watchpoints         = NULL;
3846         target->next                = NULL;
3847         target->arch_info           = NULL;
3848
3849         target->display             = 1;
3850
3851         /* initialize trace information */
3852         target->trace_info = malloc(sizeof(trace_t));
3853         target->trace_info->num_trace_points         = 0;
3854         target->trace_info->trace_points_size        = 0;
3855         target->trace_info->trace_points             = NULL;
3856         target->trace_info->trace_history_size       = 0;
3857         target->trace_info->trace_history            = NULL;
3858         target->trace_info->trace_history_pos        = 0;
3859         target->trace_info->trace_history_overflowed = 0;
3860
3861         target->dbgmsg          = NULL;
3862         target->dbg_msg_enabled = 0;
3863
3864         target->endianness = TARGET_ENDIAN_UNKNOWN;
3865
3866         /* Do the rest as "configure" options */
3867         goi->isconfigure = 1;
3868         e = target_configure( goi, target);
3869         if( e != JIM_OK ){
3870                 free( target->type );
3871                 free( target );
3872                 return e;
3873         }
3874
3875         if( target->endianness == TARGET_ENDIAN_UNKNOWN ){
3876                 /* default endian to little if not specified */
3877                 target->endianness = TARGET_LITTLE_ENDIAN;
3878         }
3879
3880         /* create the target specific commands */
3881         if( target->type->register_commands ){
3882                 (*(target->type->register_commands))( cmd_ctx );
3883         }
3884         if( target->type->target_create ){
3885                 (*(target->type->target_create))( target, goi->interp );
3886         }
3887
3888         /* append to end of list */
3889         {
3890                 target_t **tpp;
3891                 tpp = &(all_targets);
3892                 while( *tpp ){
3893                         tpp = &( (*tpp)->next );
3894                 }
3895                 *tpp = target;
3896         }
3897
3898         cp = Jim_GetString( new_cmd, NULL );
3899         target->cmd_name = strdup(cp);
3900
3901         /* now - create the new target name command */
3902         e = Jim_CreateCommand( goi->interp,
3903                                                    /* name */
3904                                                    cp,
3905                                                    tcl_target_func, /* C function */
3906                                                    target, /* private data */
3907                                                    NULL ); /* no del proc */
3908
3909         return e;
3910 }
3911
3912 static int
3913 jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3914 {
3915         int x,r,e;
3916         jim_wide w;
3917         struct command_context_s *cmd_ctx;
3918         const char *cp;
3919         target_t *target;
3920         Jim_GetOptInfo goi;
3921         enum tcmd {
3922                 /* TG = target generic */
3923                 TG_CMD_CREATE,
3924                 TG_CMD_TYPES,
3925                 TG_CMD_NAMES,
3926                 TG_CMD_CURRENT,
3927                 TG_CMD_NUMBER,
3928                 TG_CMD_COUNT,
3929         };
3930         const char *target_cmds[] = {
3931                 "create", "types", "names", "current", "number",
3932                 "count",
3933                 NULL // terminate
3934         };
3935
3936         LOG_DEBUG("Target command params:");
3937         LOG_DEBUG(Jim_Debug_ArgvString( interp, argc, argv) );
3938
3939         cmd_ctx = Jim_GetAssocData( interp, "context" );
3940
3941         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3942
3943         if( goi.argc == 0 ){
3944                 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
3945                 return JIM_ERR;
3946         }
3947
3948         /* is this old syntax? */
3949         /* To determine: We have to peek at argv[0]*/
3950         cp = Jim_GetString( goi.argv[0], NULL );
3951         for( x = 0 ; target_types[x] ; x++ ){
3952                 if( 0 == strcmp(cp,target_types[x]->name) ){
3953                         break;
3954                 }
3955         }
3956         if( target_types[x] ){
3957                 /* YES IT IS OLD SYNTAX */
3958                 Jim_Obj *new_argv[10];
3959                 int      new_argc;
3960
3961                 /* target_old_syntax
3962                  *
3963                  * It appears that there are 2 old syntaxes:
3964                  *
3965                  * target <typename> <endian> <chain position> <variant>
3966                  *
3967                  * and
3968                  *
3969                  * target <typename> <endian> <reset mode> <chain position> <variant>
3970                  *
3971                  */
3972
3973                 /* The minimum number of arguments is 4 */
3974                 if( argc < 4 ){
3975                         Jim_WrongNumArgs( interp, 1, argv, "[OLDSYNTAX] ?TYPE? ?ENDIAN? ?CHAIN-POSITION? ?VARIANT?");
3976                         return JIM_ERR;
3977                 }
3978
3979                 /* the command */
3980                 new_argv[0] = argv[0];
3981                 new_argv[1] = Jim_NewStringObj( interp, "create", -1 );
3982                 {
3983                         char buf[ 30 ];
3984                         sprintf( buf, "target%d", new_target_number() );
3985                         new_argv[2] = Jim_NewStringObj( interp, buf , -1 );
3986                 }
3987                 new_argv[3] = goi.argv[0]; /* typename */
3988                 new_argv[4] = Jim_NewStringObj( interp, "-endian", -1 );
3989                 new_argv[5] = goi.argv[1];
3990                 new_argv[6] = Jim_NewStringObj( interp, "-chain-position", -1 );
3991
3992                 /* If goi.argv[2] is not a number, we need to skip it since it is the reset mode. */
3993                 jim_wide w;
3994                 int chain_position_argv = 2;
3995                 if (JIM_ERR == Jim_GetWide(interp, goi.argv[chain_position_argv], &w)) {
3996                         if (chain_position_argv + 1 < goi.argc) {
3997                                 chain_position_argv += 1;
3998                         } else {
3999                                 Jim_WrongNumArgs( interp, 1, argv, "[OLDSYNTAX] ?TYPE? ?ENDIAN? ?RESET? ?CHAIN-POSITION? ?VARIANT?");
4000                                 return JIM_ERR;
4001                         }
4002                 }
4003
4004                 new_argv[7] = goi.argv[chain_position_argv];
4005
4006                 /* Only provide a variant configure option if there was a variant specified */
4007                 if (chain_position_argv + 1 < goi.argc) {
4008                         new_argv[8] = Jim_NewStringObj( interp, "-variant", -1 );
4009                         new_argv[9] = goi.argv[chain_position_argv + 1];
4010                         new_argc = 10;
4011                 } else {
4012                         new_argc = 8;
4013                 }
4014
4015                 /*
4016                  * new arg syntax:
4017                  *   argv[0] = command
4018                  *   argv[1] = create
4019                  *   argv[2] = cmdname
4020                  *   argv[3] = typename
4021                  *   argv[4] = -endian
4022                  *   argv[5] = little
4023                  *   argv[6] = -position
4024                  *   argv[7] = NUMBER
4025                  *   argv[8] = -variant
4026                  *   argv[9] = "somestring"
4027                  */
4028
4029                 /* don't let these be released */
4030                 for( x = 0 ; x < new_argc ; x++ ){
4031                         Jim_IncrRefCount( new_argv[x]);
4032                 }
4033                 /* call our self */
4034                 LOG_DEBUG("Target OLD SYNTAX - converted to new syntax");
4035
4036                 r = jim_target( goi.interp, new_argc, new_argv );
4037
4038                 /* release? these items */
4039                 for( x = 0 ; x < new_argc ; x++ ){
4040                         Jim_DecrRefCount( interp, new_argv[x] );
4041                 }
4042                 return r;
4043         }
4044
4045         //Jim_GetOpt_Debug( &goi );
4046         r = Jim_GetOpt_Enum( &goi, target_cmds, &x   );
4047         if( r != JIM_OK ){
4048                 return r;
4049         }
4050
4051         switch(x){
4052         default:
4053                 Jim_Panic(goi.interp,"Why am I here?");
4054                 return JIM_ERR;
4055         case TG_CMD_CURRENT:
4056                 if( goi.argc != 0 ){
4057                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters");
4058                         return JIM_ERR;
4059                 }
4060                 Jim_SetResultString( goi.interp, get_current_target( cmd_ctx )->cmd_name, -1 );
4061                 return JIM_OK;
4062         case TG_CMD_TYPES:
4063                 if( goi.argc != 0 ){
4064                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4065                         return JIM_ERR;
4066                 }
4067                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4068                 for( x = 0 ; target_types[x] ; x++ ){
4069                         Jim_ListAppendElement( goi.interp,
4070                                                                    Jim_GetResult(goi.interp),
4071                                                                    Jim_NewStringObj( goi.interp, target_types[x]->name, -1 ) );
4072                 }
4073                 return JIM_OK;
4074         case TG_CMD_NAMES:
4075                 if( goi.argc != 0 ){
4076                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4077                         return JIM_ERR;
4078                 }
4079                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4080                 target = all_targets;
4081                 while( target ){
4082                         Jim_ListAppendElement( goi.interp,
4083                                                                    Jim_GetResult(goi.interp),
4084                                                                    Jim_NewStringObj( goi.interp, target->cmd_name, -1 ) );
4085                         target = target->next;
4086                 }
4087                 return JIM_OK;
4088         case TG_CMD_CREATE:
4089                 if( goi.argc < 3 ){
4090                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "?name  ... config options ...");
4091                         return JIM_ERR;
4092                 }
4093                 return target_create( &goi );
4094                 break;
4095         case TG_CMD_NUMBER:
4096                 if( goi.argc != 1 ){
4097                         Jim_SetResult_sprintf( goi.interp, "expected: target number ?NUMBER?");
4098                         return JIM_ERR;
4099                 }
4100                 e = Jim_GetOpt_Wide( &goi, &w );
4101                 if( e != JIM_OK ){
4102                         return JIM_ERR;
4103                 }
4104                 {
4105                         target_t *t;
4106                         t = get_target_by_num(w);
4107                         if( t == NULL ){
4108                                 Jim_SetResult_sprintf( goi.interp,"Target: number %d does not exist", (int)(w));
4109                                 return JIM_ERR;
4110                         }
4111                         Jim_SetResultString( goi.interp, t->cmd_name, -1 );
4112                         return JIM_OK;
4113                 }
4114         case TG_CMD_COUNT:
4115                 if( goi.argc != 0 ){
4116                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "<no parameters>");
4117                         return JIM_ERR;
4118                 }
4119                 Jim_SetResult( goi.interp,
4120                                            Jim_NewIntObj( goi.interp, max_target_number()));
4121                 return JIM_OK;
4122         }
4123
4124         return JIM_ERR;
4125 }