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   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
   6  *   oyvind.harboe@zylin.com                                               *
   7  *                                                                         *
   8  *   Copyright (C) 2008, Duane Ellis                                       *
   9  *   openocd@duaneeellis.com                                               *
  10  *                                                                         *
  11  *   Copyright (C) 2008 by Spencer Oliver                                  *
  12  *   spen@spen-soft.co.uk                                                  *
  13  *                                                                         *
  14  *   This program is free software; you can redistribute it and/or modify  *
  15  *   it under the terms of the GNU General Public License as published by  *
  16  *   the Free Software Foundation; either version 2 of the License, or     *
  17  *   (at your option) any later version.                                   *
  18  *                                                                         *
  19  *   This program is distributed in the hope that it will be useful,       *
  20  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  21  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  22  *   GNU General Public License for more details.                          *
  23  *                                                                         *
  24  *   You should have received a copy of the GNU General Public License     *
  25  *   along with this program; if not, write to the                         *
  26  *   Free Software Foundation, Inc.,                                       *
  27  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  28  ***************************************************************************/
  29 #ifdef HAVE_CONFIG_H
  30 #include "config.h"
  31 #endif
  32
  33 #include "replacements.h"
  34 #include "target.h"
  35 #include "target_request.h"
  36
  37 #include "log.h"
  38 #include "configuration.h"
  39 #include "binarybuffer.h"
  40 #include "jtag.h"
  41
  42 #include <string.h>
  43 #include <stdlib.h>
  44 #include <inttypes.h>
  45
  46 #include <sys/types.h>
  47 #include <sys/stat.h>
  48 #include <unistd.h>
  49 #include <errno.h>
  50
  51 #include <sys/time.h>
  52 #include <time.h>
  53
  54 #include <time_support.h>
  55
  56 #include <fileio.h>
  57 #include <image.h>
  58
  59 int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
  60
  61
  62 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  63
  64 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  65
  66 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  67 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  68 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  69 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  70 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  71 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  72 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  73 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  74 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  75 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  76 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  77 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  78 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  79 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  80 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  81 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  82 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  83 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
  84 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  85 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  86 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  87 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  88
  89 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  90 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  91
  92
  93
  94 /* targets */
  95 extern target_type_t arm7tdmi_target;
  96 extern target_type_t arm720t_target;
  97 extern target_type_t arm9tdmi_target;
  98 extern target_type_t arm920t_target;
  99 extern target_type_t arm966e_target;
 100 extern target_type_t arm926ejs_target;
 101 extern target_type_t feroceon_target;
 102 extern target_type_t xscale_target;
 103 extern target_type_t cortexm3_target;
 104 extern target_type_t arm11_target;
 105 extern target_type_t mips_m4k_target;
 106
 107 target_type_t *target_types[] =
 108 {
 109         &arm7tdmi_target,
 110         &arm9tdmi_target,
 111         &arm920t_target,
 112         &arm720t_target,
 113         &arm966e_target,
 114         &arm926ejs_target,
 115         &feroceon_target,
 116         &xscale_target,
 117         &cortexm3_target,
 118         &arm11_target,
 119         &mips_m4k_target,
 120         NULL,
 121 };
 122
 123 target_t *all_targets = NULL;
 124 target_event_callback_t *target_event_callbacks = NULL;
 125 target_timer_callback_t *target_timer_callbacks = NULL;
 126
 127 const Jim_Nvp nvp_assert[] = {
 128         { .name = "assert", NVP_ASSERT },
 129         { .name = "deassert", NVP_DEASSERT },
 130         { .name = "T", NVP_ASSERT },
 131         { .name = "F", NVP_DEASSERT },
 132         { .name = "t", NVP_ASSERT },
 133         { .name = "f", NVP_DEASSERT },
 134         { .name = NULL, .value = -1 }
 135 };
 136
 137 const Jim_Nvp nvp_error_target[] = {
 138         { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
 139         { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
 140         { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
 141         { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
 142         { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
 143         { .value = ERROR_TARGET_UNALIGNED_ACCESS   , .name = "err-unaligned-access" },
 144         { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
 145         { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
 146         { .value = ERROR_TARGET_TRANSLATION_FAULT  , .name = "err-translation-fault" },
 147         { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
 148         { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
 149         { .value = -1, .name = NULL }
 150 };
 151
 152 const char *target_strerror_safe( int err )
 153 {
 154         const Jim_Nvp *n;
 155
 156         n = Jim_Nvp_value2name_simple( nvp_error_target, err );
 157         if( n->name == NULL ){
 158                 return "unknown";
 159         } else {
 160                 return n->name;
 161         }
 162 }
 163
 164 const Jim_Nvp nvp_target_event[] = {
 165         { .value = TARGET_EVENT_OLD_pre_reset          , .name = "old-pre_reset" },
 166         { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
 167         { .value = TARGET_EVENT_OLD_post_reset         , .name = "old-post_reset" },
 168         { .value = TARGET_EVENT_OLD_pre_resume         , .name = "old-pre_resume" },
 169
 170
 171         { .value = TARGET_EVENT_EARLY_HALTED, .name = "early-halted" },
 172         { .value = TARGET_EVENT_HALTED, .name = "halted" },
 173         { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
 174         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 175         { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
 176
 177         /* historical name */
 178
 179         { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
 180
 181         { .value = TARGET_EVENT_RESET_ASSERT_PRE,    .name = "reset-assert-pre" },
 182         { .value = TARGET_EVENT_RESET_ASSERT_POST,   .name = "reset-assert-post" },
 183         { .value = TARGET_EVENT_RESET_DEASSERT_PRE,  .name = "reset-deassert-pre" },
 184         { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
 185         { .value = TARGET_EVENT_RESET_HALT_PRE,      .name = "reset-halt-pre" },
 186         { .value = TARGET_EVENT_RESET_HALT_POST,     .name = "reset-halt-post" },
 187         { .value = TARGET_EVENT_RESET_WAIT_PRE,      .name = "reset-wait-pre" },
 188         { .value = TARGET_EVENT_RESET_WAIT_POST,     .name = "reset-wait-post" },
 189         { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
 190         { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
 191
 192
 193
 194
 195
 196         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
 197         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-end" },
 198
 199
 200         { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
 201         { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
 202
 203         { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
 204         { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
 205
 206
 207         { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
 208         { .value = TARGET_EVENT_GDB_FLASH_WRITE_END  , .name = "gdb-flash-write-end"   },
 209
 210         { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
 211         { .value = TARGET_EVENT_GDB_FLASH_ERASE_END  , .name = "gdb-flash-erase-end" },
 212
 213         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 214         { .value = TARGET_EVENT_RESUMED     , .name = "resume-ok" },
 215         { .value = TARGET_EVENT_RESUME_END  , .name = "resume-end" },
 216
 217         { .name = NULL, .value = -1 }
 218 };
 219
 220 const Jim_Nvp nvp_target_state[] = {
 221         { .name = "unknown", .value = TARGET_UNKNOWN },
 222         { .name = "running", .value = TARGET_RUNNING },
 223         { .name = "halted",  .value = TARGET_HALTED },
 224         { .name = "reset",   .value = TARGET_RESET },
 225         { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
 226         { .name = NULL, .value = -1 },
 227 };
 228
 229
 230 const Jim_Nvp nvp_target_debug_reason [] = {
 231         { .name = "debug-request"            , .value = DBG_REASON_DBGRQ },
 232         { .name = "breakpoint"               , .value = DBG_REASON_BREAKPOINT },
 233         { .name = "watchpoint"               , .value = DBG_REASON_WATCHPOINT },
 234         { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
 235         { .name = "single-step"              , .value = DBG_REASON_SINGLESTEP },
 236         { .name = "target-not-halted"        , .value = DBG_REASON_NOTHALTED  },
 237         { .name = "undefined"                , .value = DBG_REASON_UNDEFINED },
 238         { .name = NULL, .value = -1 },
 239 };
 240
 241
 242 const Jim_Nvp nvp_target_endian[] = {
 243         { .name = "big",    .value = TARGET_BIG_ENDIAN },
 244         { .name = "little", .value = TARGET_LITTLE_ENDIAN },
 245         { .name = "be",     .value = TARGET_BIG_ENDIAN },
 246         { .name = "le",     .value = TARGET_LITTLE_ENDIAN },
 247         { .name = NULL,     .value = -1 },
 248 };
 249
 250 const Jim_Nvp nvp_reset_modes[] = {
 251         { .name = "unknown", .value = RESET_UNKNOWN },
 252         { .name = "run"    , .value = RESET_RUN },
 253         { .name = "halt"   , .value = RESET_HALT },
 254         { .name = "init"   , .value = RESET_INIT },
 255         { .name = NULL     , .value = -1 },
 256 };
 257
 258 static int
 259 max_target_number( void )
 260 {
 261         target_t *t;
 262         int x;
 263
 264         x = -1;
 265         t = all_targets;
 266         while( t ){
 267                 if( x < t->target_number ){
 268                         x = (t->target_number)+1;
 269                 }
 270                 t = t->next;
 271         }
 272         return x;
 273 }
 274
 275 /* determine the number of the new target */
 276 static int
 277 new_target_number( void )
 278 {
 279         target_t *t;
 280         int x;
 281
 282         /* number is 0 based */
 283         x = -1;
 284         t = all_targets;
 285         while(t){
 286                 if( x < t->target_number ){
 287                         x = t->target_number;
 288                 }
 289                 t = t->next;
 290         }
 291         return x+1;
 292 }
 293
 294 static int target_continous_poll = 1;
 295
 296 /* read a u32 from a buffer in target memory endianness */
 297 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
 298 {
 299         if (target->endianness == TARGET_LITTLE_ENDIAN)
 300                 return le_to_h_u32(buffer);
 301         else
 302                 return be_to_h_u32(buffer);
 303 }
 304
 305 /* read a u16 from a buffer in target memory endianness */
 306 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
 307 {
 308         if (target->endianness == TARGET_LITTLE_ENDIAN)
 309                 return le_to_h_u16(buffer);
 310         else
 311                 return be_to_h_u16(buffer);
 312 }
 313
 314 /* read a u8 from a buffer in target memory endianness */
 315 u8 target_buffer_get_u8(target_t *target, u8 *buffer)
 316 {
 317         return *buffer & 0x0ff;
 318 }
 319
 320 /* write a u32 to a buffer in target memory endianness */
 321 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
 322 {
 323         if (target->endianness == TARGET_LITTLE_ENDIAN)
 324                 h_u32_to_le(buffer, value);
 325         else
 326                 h_u32_to_be(buffer, value);
 327 }
 328
 329 /* write a u16 to a buffer in target memory endianness */
 330 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
 331 {
 332         if (target->endianness == TARGET_LITTLE_ENDIAN)
 333                 h_u16_to_le(buffer, value);
 334         else
 335                 h_u16_to_be(buffer, value);
 336 }
 337
 338 /* write a u8 to a buffer in target memory endianness */
 339 void target_buffer_set_u8(target_t *target, u8 *buffer, u8 value)
 340 {
 341         *buffer = value;
 342 }
 343
 344 /* returns a pointer to the n-th configured target */
 345 target_t* get_target_by_num(int num)
 346 {
 347         target_t *target = all_targets;
 348
 349         while (target){
 350                 if( target->target_number == num ){
 351                         return target;
 352                 }
 353                 target = target->next;
 354         }
 355
 356         return NULL;
 357 }
 358
 359 int get_num_by_target(target_t *query_target)
 360 {
 361         return query_target->target_number;
 362 }
 363
 364 target_t* get_current_target(command_context_t *cmd_ctx)
 365 {
 366         target_t *target = get_target_by_num(cmd_ctx->current_target);
 367
 368         if (target == NULL)
 369         {
 370                 LOG_ERROR("BUG: current_target out of bounds");
 371                 exit(-1);
 372         }
 373
 374         return target;
 375 }
 376
 377
 378 int target_poll(struct target_s *target)
 379 {
 380         /* We can't poll until after examine */
 381         if (!target->type->examined)
 382         {
 383                 /* Fail silently lest we pollute the log */
 384                 return ERROR_FAIL;
 385         }
 386         return target->type->poll(target);
 387 }
 388
 389 int target_halt(struct target_s *target)
 390 {
 391         /* We can't poll until after examine */
 392         if (!target->type->examined)
 393         {
 394                 LOG_ERROR("Target not examined yet");
 395                 return ERROR_FAIL;
 396         }
 397         return target->type->halt(target);
 398 }
 399
 400 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
 401 {
 402         int retval;
 403
 404         /* We can't poll until after examine */
 405         if (!target->type->examined)
 406         {
 407                 LOG_ERROR("Target not examined yet");
 408                 return ERROR_FAIL;
 409         }
 410
 411         /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
 412          * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
 413          * the application.
 414          */
 415         if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
 416                 return retval;
 417
 418         return retval;
 419 }
 420
 421
 422 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
 423 {
 424         char buf[100];
 425         int retval;
 426         Jim_Nvp *n;
 427         n = Jim_Nvp_value2name_simple( nvp_reset_modes, reset_mode );
 428         if( n->name == NULL ){
 429                 LOG_ERROR("invalid reset mode");
 430                 return ERROR_FAIL;
 431         }
 432
 433         sprintf( buf, "ocd_process_reset %s", n->name );
 434         retval = Jim_Eval( interp, buf );
 435
 436         if(retval != JIM_OK) {
 437                 Jim_PrintErrorMessage(interp);
 438                 return ERROR_FAIL;
 439         }
 440
 441         /* We want any events to be processed before the prompt */
 442         retval = target_call_timer_callbacks_now();
 443
 444         return retval;
 445 }
 446
 447
 448 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
 449 {
 450         *physical = virtual;
 451         return ERROR_OK;
 452 }
 453
 454 static int default_mmu(struct target_s *target, int *enabled)
 455 {
 456         *enabled = 0;
 457         return ERROR_OK;
 458 }
 459
 460 static int default_examine(struct target_s *target)
 461 {
 462         target->type->examined = 1;
 463         return ERROR_OK;
 464 }
 465
 466
 467 /* Targets that correctly implement init+examine, i.e.
 468  * no communication with target during init:
 469  *
 470  * XScale
 471  */
 472 int target_examine(void)
 473 {
 474         int retval = ERROR_OK;
 475         target_t *target = all_targets;
 476         while (target)
 477         {
 478                 if ((retval = target->type->examine(target))!=ERROR_OK)
 479                         return retval;
 480                 target = target->next;
 481         }
 482         return retval;
 483 }
 484
 485 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 486 {
 487         if (!target->type->examined)
 488         {
 489                 LOG_ERROR("Target not examined yet");
 490                 return ERROR_FAIL;
 491         }
 492         return target->type->write_memory_imp(target, address, size, count, buffer);
 493 }
 494
 495 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 496 {
 497         if (!target->type->examined)
 498         {
 499                 LOG_ERROR("Target not examined yet");
 500                 return ERROR_FAIL;
 501         }
 502         return target->type->read_memory_imp(target, address, size, count, buffer);
 503 }
 504
 505 static int target_soft_reset_halt_imp(struct target_s *target)
 506 {
 507         if (!target->type->examined)
 508         {
 509                 LOG_ERROR("Target not examined yet");
 510                 return ERROR_FAIL;
 511         }
 512         return target->type->soft_reset_halt_imp(target);
 513 }
 514
 515 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)
 516 {
 517         if (!target->type->examined)
 518         {
 519                 LOG_ERROR("Target not examined yet");
 520                 return ERROR_FAIL;
 521         }
 522         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);
 523 }
 524
 525 int target_init(struct command_context_s *cmd_ctx)
 526 {
 527         target_t *target = all_targets;
 528         int retval;
 529
 530         while (target)
 531         {
 532                 target->type->examined = 0;
 533                 if (target->type->examine == NULL)
 534                 {
 535                         target->type->examine = default_examine;
 536                 }
 537
 538                 if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
 539                 {
 540                         LOG_ERROR("target '%s' init failed", target->type->name);
 541                         exit(-1);
 542                 }
 543
 544                 /* Set up default functions if none are provided by target */
 545                 if (target->type->virt2phys == NULL)
 546                 {
 547                         target->type->virt2phys = default_virt2phys;
 548                 }
 549                 target->type->virt2phys = default_virt2phys;
 550                 /* a non-invasive way(in terms of patches) to add some code that
 551                  * runs before the type->write/read_memory implementation
 552                  */
 553                 target->type->write_memory_imp = target->type->write_memory;
 554                 target->type->write_memory = target_write_memory_imp;
 555                 target->type->read_memory_imp = target->type->read_memory;
 556                 target->type->read_memory = target_read_memory_imp;
 557                 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
 558                 target->type->soft_reset_halt = target_soft_reset_halt_imp;
 559                 target->type->run_algorithm_imp = target->type->run_algorithm;
 560                 target->type->run_algorithm = target_run_algorithm_imp;
 561
 562
 563                 if (target->type->mmu == NULL)
 564                 {
 565                         target->type->mmu = default_mmu;
 566                 }
 567                 target = target->next;
 568         }
 569
 570         if (all_targets)
 571         {
 572                 if((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
 573                         return retval;
 574                 if((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
 575                         return retval;
 576         }
 577
 578         return ERROR_OK;
 579 }
 580
 581 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 582 {
 583         target_event_callback_t **callbacks_p = &target_event_callbacks;
 584
 585         if (callback == NULL)
 586         {
 587                 return ERROR_INVALID_ARGUMENTS;
 588         }
 589
 590         if (*callbacks_p)
 591         {
 592                 while ((*callbacks_p)->next)
 593                         callbacks_p = &((*callbacks_p)->next);
 594                 callbacks_p = &((*callbacks_p)->next);
 595         }
 596
 597         (*callbacks_p) = malloc(sizeof(target_event_callback_t));
 598         (*callbacks_p)->callback = callback;
 599         (*callbacks_p)->priv = priv;
 600         (*callbacks_p)->next = NULL;
 601
 602         return ERROR_OK;
 603 }
 604
 605 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
 606 {
 607         target_timer_callback_t **callbacks_p = &target_timer_callbacks;
 608         struct timeval now;
 609
 610         if (callback == NULL)
 611         {
 612                 return ERROR_INVALID_ARGUMENTS;
 613         }
 614
 615         if (*callbacks_p)
 616         {
 617                 while ((*callbacks_p)->next)
 618                         callbacks_p = &((*callbacks_p)->next);
 619                 callbacks_p = &((*callbacks_p)->next);
 620         }
 621
 622         (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
 623         (*callbacks_p)->callback = callback;
 624         (*callbacks_p)->periodic = periodic;
 625         (*callbacks_p)->time_ms = time_ms;
 626
 627         gettimeofday(&now, NULL);
 628         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 629         time_ms -= (time_ms % 1000);
 630         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
 631         if ((*callbacks_p)->when.tv_usec > 1000000)
 632         {
 633                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
 634                 (*callbacks_p)->when.tv_sec += 1;
 635         }
 636
 637         (*callbacks_p)->priv = priv;
 638         (*callbacks_p)->next = NULL;
 639
 640         return ERROR_OK;
 641 }
 642
 643 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 644 {
 645         target_event_callback_t **p = &target_event_callbacks;
 646         target_event_callback_t *c = target_event_callbacks;
 647
 648         if (callback == NULL)
 649         {
 650                 return ERROR_INVALID_ARGUMENTS;
 651         }
 652
 653         while (c)
 654         {
 655                 target_event_callback_t *next = c->next;
 656                 if ((c->callback == callback) && (c->priv == priv))
 657                 {
 658                         *p = next;
 659                         free(c);
 660                         return ERROR_OK;
 661                 }
 662                 else
 663                         p = &(c->next);
 664                 c = next;
 665         }
 666
 667         return ERROR_OK;
 668 }
 669
 670 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
 671 {
 672         target_timer_callback_t **p = &target_timer_callbacks;
 673         target_timer_callback_t *c = target_timer_callbacks;
 674
 675         if (callback == NULL)
 676         {
 677                 return ERROR_INVALID_ARGUMENTS;
 678         }
 679
 680         while (c)
 681         {
 682                 target_timer_callback_t *next = c->next;
 683                 if ((c->callback == callback) && (c->priv == priv))
 684                 {
 685                         *p = next;
 686                         free(c);
 687                         return ERROR_OK;
 688                 }
 689                 else
 690                         p = &(c->next);
 691                 c = next;
 692         }
 693
 694         return ERROR_OK;
 695 }
 696
 697 int target_call_event_callbacks(target_t *target, enum target_event event)
 698 {
 699         target_event_callback_t *callback = target_event_callbacks;
 700         target_event_callback_t *next_callback;
 701
 702         if (event == TARGET_EVENT_HALTED)
 703         {
 704                 /* execute early halted first */
 705                 target_call_event_callbacks(target, TARGET_EVENT_EARLY_HALTED);
 706         }
 707
 708
 709         LOG_DEBUG("target event %i (%s)",
 710                           event,
 711                           Jim_Nvp_value2name_simple( nvp_target_event, event )->name );
 712
 713         target_handle_event( target, event );
 714
 715         while (callback)
 716         {
 717                 next_callback = callback->next;
 718                 callback->callback(target, event, callback->priv);
 719                 callback = next_callback;
 720         }
 721
 722         return ERROR_OK;
 723 }
 724
 725 static int target_call_timer_callbacks_check_time(int checktime)
 726 {
 727         target_timer_callback_t *callback = target_timer_callbacks;
 728         target_timer_callback_t *next_callback;
 729         struct timeval now;
 730
 731         keep_alive();
 732
 733         gettimeofday(&now, NULL);
 734
 735         while (callback)
 736         {
 737                 next_callback = callback->next;
 738
 739                 if ((!checktime&&callback->periodic)||
 740                                 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
 741                                                 || (now.tv_sec > callback->when.tv_sec)))
 742                 {
 743                         if(callback->callback != NULL)
 744                         {
 745                                 callback->callback(callback->priv);
 746                                 if (callback->periodic)
 747                                 {
 748                                         int time_ms = callback->time_ms;
 749                                         callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 750                                         time_ms -= (time_ms % 1000);
 751                                         callback->when.tv_sec = now.tv_sec + time_ms / 1000;
 752                                         if (callback->when.tv_usec > 1000000)
 753                                         {
 754                                                 callback->when.tv_usec = callback->when.tv_usec - 1000000;
 755                                                 callback->when.tv_sec += 1;
 756                                         }
 757                                 }
 758                                 else
 759                                 {
 760                                         int retval;
 761                                         if((retval = target_unregister_timer_callback(callback->callback, callback->priv)) != ERROR_OK)
 762                                                 return retval;
 763                                 }
 764                         }
 765                 }
 766
 767                 callback = next_callback;
 768         }
 769
 770         return ERROR_OK;
 771 }
 772
 773 int target_call_timer_callbacks(void)
 774 {
 775         return target_call_timer_callbacks_check_time(1);
 776 }
 777
 778 /* invoke periodic callbacks immediately */
 779 int target_call_timer_callbacks_now(void)
 780 {
 781         return target_call_timer_callbacks_check_time(0);
 782 }
 783
 784 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
 785 {
 786         working_area_t *c = target->working_areas;
 787         working_area_t *new_wa = NULL;
 788
 789         /* Reevaluate working area address based on MMU state*/
 790         if (target->working_areas == NULL)
 791         {
 792                 int retval;
 793                 int enabled;
 794                 retval = target->type->mmu(target, &enabled);
 795                 if (retval != ERROR_OK)
 796                 {
 797                         return retval;
 798                 }
 799                 if (enabled)
 800                 {
 801                         target->working_area = target->working_area_virt;
 802                 }
 803                 else
 804                 {
 805                         target->working_area = target->working_area_phys;
 806                 }
 807         }
 808
 809         /* only allocate multiples of 4 byte */
 810         if (size % 4)
 811         {
 812                 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
 813                 size = CEIL(size, 4);
 814         }
 815
 816         /* see if there's already a matching working area */
 817         while (c)
 818         {
 819                 if ((c->free) && (c->size == size))
 820                 {
 821                         new_wa = c;
 822                         break;
 823                 }
 824                 c = c->next;
 825         }
 826
 827         /* if not, allocate a new one */
 828         if (!new_wa)
 829         {
 830                 working_area_t **p = &target->working_areas;
 831                 u32 first_free = target->working_area;
 832                 u32 free_size = target->working_area_size;
 833
 834                 LOG_DEBUG("allocating new working area");
 835
 836                 c = target->working_areas;
 837                 while (c)
 838                 {
 839                         first_free += c->size;
 840                         free_size -= c->size;
 841                         p = &c->next;
 842                         c = c->next;
 843                 }
 844
 845                 if (free_size < size)
 846                 {
 847                         LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
 848                         return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
 849                 }
 850
 851                 new_wa = malloc(sizeof(working_area_t));
 852                 new_wa->next = NULL;
 853                 new_wa->size = size;
 854                 new_wa->address = first_free;
 855
 856                 if (target->backup_working_area)
 857                 {
 858                         int retval;
 859                         new_wa->backup = malloc(new_wa->size);
 860                         if((retval = target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
 861                         {
 862                                 free(new_wa->backup);
 863                                 free(new_wa);
 864                                 return retval;
 865                         }
 866                 }
 867                 else
 868                 {
 869                         new_wa->backup = NULL;
 870                 }
 871
 872                 /* put new entry in list */
 873                 *p = new_wa;
 874         }
 875
 876         /* mark as used, and return the new (reused) area */
 877         new_wa->free = 0;
 878         *area = new_wa;
 879
 880         /* user pointer */
 881         new_wa->user = area;
 882
 883         return ERROR_OK;
 884 }
 885
 886 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
 887 {
 888         if (area->free)
 889                 return ERROR_OK;
 890
 891         if (restore&&target->backup_working_area)
 892         {
 893                 int retval;
 894                 if((retval = target->type->write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
 895                         return retval;
 896         }
 897
 898         area->free = 1;
 899
 900         /* mark user pointer invalid */
 901         *area->user = NULL;
 902         area->user = NULL;
 903
 904         return ERROR_OK;
 905 }
 906
 907 int target_free_working_area(struct target_s *target, working_area_t *area)
 908 {
 909         return target_free_working_area_restore(target, area, 1);
 910 }
 911
 912 /* free resources and restore memory, if restoring memory fails,
 913  * free up resources anyway
 914  */
 915 void target_free_all_working_areas_restore(struct target_s *target, int restore)
 916 {
 917         working_area_t *c = target->working_areas;
 918
 919         while (c)
 920         {
 921                 working_area_t *next = c->next;
 922                 target_free_working_area_restore(target, c, restore);
 923
 924                 if (c->backup)
 925                         free(c->backup);
 926
 927                 free(c);
 928
 929                 c = next;
 930         }
 931
 932         target->working_areas = NULL;
 933 }
 934
 935 void target_free_all_working_areas(struct target_s *target)
 936 {
 937         target_free_all_working_areas_restore(target, 1);
 938 }
 939
 940 int target_register_commands(struct command_context_s *cmd_ctx)
 941 {
 942
 943         register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
 944         register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, "working_area <target#> <address> <size> <'backup'|'nobackup'> [virtual address]");
 945         register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "virt2phys <virtual address>");
 946         register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "PRELIMINARY! - profile <seconds> <gmon.out>");
 947
 948         register_jim(cmd_ctx, "target", jim_target, "configure target" );
 949
 950
 951         /* script procedures */
 952         register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array, "read memory and return as a TCL array for script processing");
 953         register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem, "convert a TCL array to memory locations and write the values");
 954         return ERROR_OK;
 955 }
 956
 957 int target_arch_state(struct target_s *target)
 958 {
 959         int retval;
 960         if (target==NULL)
 961         {
 962                 LOG_USER("No target has been configured");
 963                 return ERROR_OK;
 964         }
 965
 966         LOG_USER("target state: %s",
 967                  Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name);
 968
 969         if (target->state!=TARGET_HALTED)
 970                 return ERROR_OK;
 971
 972         retval=target->type->arch_state(target);
 973         return retval;
 974 }
 975
 976 /* Single aligned words are guaranteed to use 16 or 32 bit access
 977  * mode respectively, otherwise data is handled as quickly as
 978  * possible
 979  */
 980 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
 981 {
 982         int retval;
 983         LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
 984
 985         if (!target->type->examined)
 986         {
 987                 LOG_ERROR("Target not examined yet");
 988                 return ERROR_FAIL;
 989         }
 990
 991         if ((address + size - 1) < address)
 992         {
 993                 /* GDB can request this when e.g. PC is 0xfffffffc*/
 994                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
 995                 return ERROR_FAIL;
 996         }
 997
 998         if (((address % 2) == 0) && (size == 2))
 999         {
1000                 return target->type->write_memory(target, address, 2, 1, buffer);
1001         }
1002
1003         /* handle unaligned head bytes */
1004         if (address % 4)
1005         {
1006                 int unaligned = 4 - (address % 4);
1007
1008                 if (unaligned > size)
1009                         unaligned = size;
1010
1011                 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1012                         return retval;
1013
1014                 buffer += unaligned;
1015                 address += unaligned;
1016                 size -= unaligned;
1017         }
1018
1019         /* handle aligned words */
1020         if (size >= 4)
1021         {
1022                 int aligned = size - (size % 4);
1023
1024                 /* use bulk writes above a certain limit. This may have to be changed */
1025                 if (aligned > 128)
1026                 {
1027                         if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1028                                 return retval;
1029                 }
1030                 else
1031                 {
1032                         if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1033                                 return retval;
1034                 }
1035
1036                 buffer += aligned;
1037                 address += aligned;
1038                 size -= aligned;
1039         }
1040
1041         /* handle tail writes of less than 4 bytes */
1042         if (size > 0)
1043         {
1044                 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1045                         return retval;
1046         }
1047
1048         return ERROR_OK;
1049 }
1050
1051
1052 /* Single aligned words are guaranteed to use 16 or 32 bit access
1053  * mode respectively, otherwise data is handled as quickly as
1054  * possible
1055  */
1056 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1057 {
1058         int retval;
1059         LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1060
1061         if (!target->type->examined)
1062         {
1063                 LOG_ERROR("Target not examined yet");
1064                 return ERROR_FAIL;
1065         }
1066
1067         if ((address + size - 1) < address)
1068         {
1069                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1070                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1071                 return ERROR_FAIL;
1072         }
1073
1074         if (((address % 2) == 0) && (size == 2))
1075         {
1076                 return target->type->read_memory(target, address, 2, 1, buffer);
1077         }
1078
1079         /* handle unaligned head bytes */
1080         if (address % 4)
1081         {
1082                 int unaligned = 4 - (address % 4);
1083
1084                 if (unaligned > size)
1085                         unaligned = size;
1086
1087                 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1088                         return retval;
1089
1090                 buffer += unaligned;
1091                 address += unaligned;
1092                 size -= unaligned;
1093         }
1094
1095         /* handle aligned words */
1096         if (size >= 4)
1097         {
1098                 int aligned = size - (size % 4);
1099
1100                 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1101                         return retval;
1102
1103                 buffer += aligned;
1104                 address += aligned;
1105                 size -= aligned;
1106         }
1107
1108         /* handle tail writes of less than 4 bytes */
1109         if (size > 0)
1110         {
1111                 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1112                         return retval;
1113         }
1114
1115         return ERROR_OK;
1116 }
1117
1118 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1119 {
1120         u8 *buffer;
1121         int retval;
1122         int i;
1123         u32 checksum = 0;
1124         if (!target->type->examined)
1125         {
1126                 LOG_ERROR("Target not examined yet");
1127                 return ERROR_FAIL;
1128         }
1129
1130         if ((retval = target->type->checksum_memory(target, address,
1131                 size, &checksum)) != ERROR_OK)
1132         {
1133                 buffer = malloc(size);
1134                 if (buffer == NULL)
1135                 {
1136                         LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1137                         return ERROR_INVALID_ARGUMENTS;
1138                 }
1139                 retval = target_read_buffer(target, address, size, buffer);
1140                 if (retval != ERROR_OK)
1141                 {
1142                         free(buffer);
1143                         return retval;
1144                 }
1145
1146                 /* convert to target endianess */
1147                 for (i = 0; i < (size/sizeof(u32)); i++)
1148                 {
1149                         u32 target_data;
1150                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1151                         target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1152                 }
1153
1154                 retval = image_calculate_checksum( buffer, size, &checksum );
1155                 free(buffer);
1156         }
1157
1158         *crc = checksum;
1159
1160         return retval;
1161 }
1162
1163 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1164 {
1165         int retval;
1166         if (!target->type->examined)
1167         {
1168                 LOG_ERROR("Target not examined yet");
1169                 return ERROR_FAIL;
1170         }
1171
1172         if (target->type->blank_check_memory == 0)
1173                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1174
1175         retval = target->type->blank_check_memory(target, address, size, blank);
1176
1177         return retval;
1178 }
1179
1180 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1181 {
1182         u8 value_buf[4];
1183         if (!target->type->examined)
1184         {
1185                 LOG_ERROR("Target not examined yet");
1186                 return ERROR_FAIL;
1187         }
1188
1189         int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1190
1191         if (retval == ERROR_OK)
1192         {
1193                 *value = target_buffer_get_u32(target, value_buf);
1194                 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1195         }
1196         else
1197         {
1198                 *value = 0x0;
1199                 LOG_DEBUG("address: 0x%8.8x failed", address);
1200         }
1201
1202         return retval;
1203 }
1204
1205 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1206 {
1207         u8 value_buf[2];
1208         if (!target->type->examined)
1209         {
1210                 LOG_ERROR("Target not examined yet");
1211                 return ERROR_FAIL;
1212         }
1213
1214         int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1215
1216         if (retval == ERROR_OK)
1217         {
1218                 *value = target_buffer_get_u16(target, value_buf);
1219                 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1220         }
1221         else
1222         {
1223                 *value = 0x0;
1224                 LOG_DEBUG("address: 0x%8.8x failed", address);
1225         }
1226
1227         return retval;
1228 }
1229
1230 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1231 {
1232         int retval = target->type->read_memory(target, address, 1, 1, value);
1233         if (!target->type->examined)
1234         {
1235                 LOG_ERROR("Target not examined yet");
1236                 return ERROR_FAIL;
1237         }
1238
1239         if (retval == ERROR_OK)
1240         {
1241                 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1242         }
1243         else
1244         {
1245                 *value = 0x0;
1246                 LOG_DEBUG("address: 0x%8.8x failed", address);
1247         }
1248
1249         return retval;
1250 }
1251
1252 int target_write_u32(struct target_s *target, u32 address, u32 value)
1253 {
1254         int retval;
1255         u8 value_buf[4];
1256         if (!target->type->examined)
1257         {
1258                 LOG_ERROR("Target not examined yet");
1259                 return ERROR_FAIL;
1260         }
1261
1262         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1263
1264         target_buffer_set_u32(target, value_buf, value);
1265         if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1266         {
1267                 LOG_DEBUG("failed: %i", retval);
1268         }
1269
1270         return retval;
1271 }
1272
1273 int target_write_u16(struct target_s *target, u32 address, u16 value)
1274 {
1275         int retval;
1276         u8 value_buf[2];
1277         if (!target->type->examined)
1278         {
1279                 LOG_ERROR("Target not examined yet");
1280                 return ERROR_FAIL;
1281         }
1282
1283         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1284
1285         target_buffer_set_u16(target, value_buf, value);
1286         if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1287         {
1288                 LOG_DEBUG("failed: %i", retval);
1289         }
1290
1291         return retval;
1292 }
1293
1294 int target_write_u8(struct target_s *target, u32 address, u8 value)
1295 {
1296         int retval;
1297         if (!target->type->examined)
1298         {
1299                 LOG_ERROR("Target not examined yet");
1300                 return ERROR_FAIL;
1301         }
1302
1303         LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1304
1305         if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
1306         {
1307                 LOG_DEBUG("failed: %i", retval);
1308         }
1309
1310         return retval;
1311 }
1312
1313 int target_register_user_commands(struct command_context_s *cmd_ctx)
1314 {
1315         int retval = ERROR_OK;
1316         register_command(cmd_ctx,  NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
1317         register_command(cmd_ctx,  NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1318         register_command(cmd_ctx,  NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1319         register_command(cmd_ctx,  NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1320         register_command(cmd_ctx,  NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1321         register_command(cmd_ctx,  NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1322         register_command(cmd_ctx,  NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init] - default is run");
1323         register_command(cmd_ctx,  NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1324
1325         register_command(cmd_ctx,  NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1326         register_command(cmd_ctx,  NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1327         register_command(cmd_ctx,  NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1328
1329         register_command(cmd_ctx,  NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1330         register_command(cmd_ctx,  NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1331         register_command(cmd_ctx,  NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1332
1333         register_command(cmd_ctx,  NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1334         register_command(cmd_ctx,  NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1335         register_command(cmd_ctx,  NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1336         register_command(cmd_ctx,  NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1337
1338         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]");
1339         register_command(cmd_ctx,  NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1340         register_command(cmd_ctx,  NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1341
1342         if((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
1343                 return retval;
1344         if((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
1345                 return retval;
1346
1347
1348         return retval;
1349 }
1350
1351 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1352 {
1353         char *cp;
1354         target_t *target = all_targets;
1355
1356         if (argc == 1)
1357         {
1358                 /* try as tcltarget name */
1359                 for( target = all_targets ; target ; target++ ){
1360                   if( target->cmd_name ){
1361                         if( 0 == strcmp( args[0], target->cmd_name ) ){
1362                                 /* MATCH */
1363                                 goto Match;
1364                         }
1365                   }
1366                 }
1367                 /* no match, try as number */
1368
1369                 int num = strtoul(args[0], &cp, 0 );
1370                 if( *cp != 0 ){
1371                         /* then it was not a number */
1372                         command_print( cmd_ctx, "Target: %s unknown, try one of:\n", args[0] );
1373                         goto DumpTargets;
1374                 }
1375
1376                 target = get_target_by_num( num );
1377                 if( target == NULL ){
1378                         command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0] );
1379                         goto DumpTargets;
1380                 }
1381         Match:
1382                 cmd_ctx->current_target = target->target_number;
1383                 return ERROR_OK;
1384         }
1385  DumpTargets:
1386
1387         command_print(cmd_ctx, "    CmdName    Type       Endian     ChainPos State     ");
1388         command_print(cmd_ctx, "--  ---------- ---------- ---------- -------- ----------");
1389         while (target)
1390         {
1391                 /* XX: abcdefghij abcdefghij abcdefghij abcdefghij */
1392                 command_print(cmd_ctx, "%2d: %-10s %-10s %-10s %8d %s",
1393                                           target->target_number,
1394                                           target->cmd_name,
1395                                           target->type->name,
1396                                           Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness )->name,
1397                                           target->chain_position,
1398                                           Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
1399                 target = target->next;
1400         }
1401
1402         return ERROR_OK;
1403 }
1404
1405
1406
1407 int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1408 {
1409         int retval = ERROR_OK;
1410         target_t *target = NULL;
1411
1412         if ((argc < 4) || (argc > 5))
1413         {
1414                 return ERROR_COMMAND_SYNTAX_ERROR;
1415         }
1416
1417         target = get_target_by_num(strtoul(args[0], NULL, 0));
1418         if (!target)
1419         {
1420                 return ERROR_COMMAND_SYNTAX_ERROR;
1421         }
1422         target_free_all_working_areas(target);
1423
1424         target->working_area_phys = target->working_area_virt = strtoul(args[1], NULL, 0);
1425         if (argc == 5)
1426         {
1427                 target->working_area_virt = strtoul(args[4], NULL, 0);
1428         }
1429         target->working_area_size = strtoul(args[2], NULL, 0);
1430
1431         if (strcmp(args[3], "backup") == 0)
1432         {
1433                 target->backup_working_area = 1;
1434         }
1435         else if (strcmp(args[3], "nobackup") == 0)
1436         {
1437                 target->backup_working_area = 0;
1438         }
1439         else
1440         {
1441                 LOG_ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
1442                 return ERROR_COMMAND_SYNTAX_ERROR;
1443         }
1444
1445         return retval;
1446 }
1447
1448
1449 /* process target state changes */
1450 int handle_target(void *priv)
1451 {
1452         int retval = ERROR_OK;
1453         target_t *target = all_targets;
1454
1455         while (target)
1456         {
1457                 if (target_continous_poll)
1458                 {
1459                         /* polling may fail silently until the target has been examined */
1460                         if((retval = target_poll(target)) != ERROR_OK)
1461                                 return retval;
1462                 }
1463
1464                 target = target->next;
1465         }
1466
1467         return retval;
1468 }
1469
1470 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1471 {
1472         target_t *target;
1473         reg_t *reg = NULL;
1474         int count = 0;
1475         char *value;
1476
1477         LOG_DEBUG("-");
1478
1479         target = get_current_target(cmd_ctx);
1480
1481         /* list all available registers for the current target */
1482         if (argc == 0)
1483         {
1484                 reg_cache_t *cache = target->reg_cache;
1485
1486                 count = 0;
1487                 while(cache)
1488                 {
1489                         int i;
1490                         for (i = 0; i < cache->num_regs; i++)
1491                         {
1492                                 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1493                                 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);
1494                                 free(value);
1495                         }
1496                         cache = cache->next;
1497                 }
1498
1499                 return ERROR_OK;
1500         }
1501
1502         /* access a single register by its ordinal number */
1503         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1504         {
1505                 int num = strtoul(args[0], NULL, 0);
1506                 reg_cache_t *cache = target->reg_cache;
1507
1508                 count = 0;
1509                 while(cache)
1510                 {
1511                         int i;
1512                         for (i = 0; i < cache->num_regs; i++)
1513                         {
1514                                 if (count++ == num)
1515                                 {
1516                                         reg = &cache->reg_list[i];
1517                                         break;
1518                                 }
1519                         }
1520                         if (reg)
1521                                 break;
1522                         cache = cache->next;
1523                 }
1524
1525                 if (!reg)
1526                 {
1527                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1528                         return ERROR_OK;
1529                 }
1530         } else /* access a single register by its name */
1531         {
1532                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1533
1534                 if (!reg)
1535                 {
1536                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1537                         return ERROR_OK;
1538                 }
1539         }
1540
1541         /* display a register */
1542         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1543         {
1544                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1545                         reg->valid = 0;
1546
1547                 if (reg->valid == 0)
1548                 {
1549                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1550                         arch_type->get(reg);
1551                 }
1552                 value = buf_to_str(reg->value, reg->size, 16);
1553                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1554                 free(value);
1555                 return ERROR_OK;
1556         }
1557
1558         /* set register value */
1559         if (argc == 2)
1560         {
1561                 u8 *buf = malloc(CEIL(reg->size, 8));
1562                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1563
1564                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1565                 arch_type->set(reg, buf);
1566
1567                 value = buf_to_str(reg->value, reg->size, 16);
1568                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1569                 free(value);
1570
1571                 free(buf);
1572
1573                 return ERROR_OK;
1574         }
1575
1576         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1577
1578         return ERROR_OK;
1579 }
1580
1581
1582 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1583 {
1584         int retval = ERROR_OK;
1585         target_t *target = get_current_target(cmd_ctx);
1586
1587         if (argc == 0)
1588         {
1589                 if((retval = target_poll(target)) != ERROR_OK)
1590                         return retval;
1591                 if((retval = target_arch_state(target)) != ERROR_OK)
1592                         return retval;
1593
1594         }
1595         else if (argc==1)
1596         {
1597                 if (strcmp(args[0], "on") == 0)
1598                 {
1599                         target_continous_poll = 1;
1600                 }
1601                 else if (strcmp(args[0], "off") == 0)
1602                 {
1603                         target_continous_poll = 0;
1604                 }
1605                 else
1606                 {
1607                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1608                 }
1609         } else
1610         {
1611                 return ERROR_COMMAND_SYNTAX_ERROR;
1612         }
1613
1614
1615         return retval;
1616 }
1617
1618 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1619 {
1620         int ms = 5000;
1621
1622         if (argc > 0)
1623         {
1624                 char *end;
1625
1626                 ms = strtoul(args[0], &end, 0) * 1000;
1627                 if (*end)
1628                 {
1629                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1630                         return ERROR_OK;
1631                 }
1632         }
1633         target_t *target = get_current_target(cmd_ctx);
1634
1635         return target_wait_state(target, TARGET_HALTED, ms);
1636 }
1637
1638 int target_wait_state(target_t *target, enum target_state state, int ms)
1639 {
1640         int retval;
1641         struct timeval timeout, now;
1642         int once=1;
1643         gettimeofday(&timeout, NULL);
1644         timeval_add_time(&timeout, 0, ms * 1000);
1645
1646         for (;;)
1647         {
1648                 if ((retval=target_poll(target))!=ERROR_OK)
1649                         return retval;
1650                 keep_alive();
1651                 if (target->state == state)
1652                 {
1653                         break;
1654                 }
1655                 if (once)
1656                 {
1657                         once=0;
1658                         LOG_DEBUG("waiting for target %s...",
1659                               Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1660                 }
1661
1662                 gettimeofday(&now, NULL);
1663                 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1664                 {
1665                         LOG_ERROR("timed out while waiting for target %s",
1666                               Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1667                         return ERROR_FAIL;
1668                 }
1669         }
1670
1671         return ERROR_OK;
1672 }
1673
1674 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1675 {
1676         int retval;
1677         target_t *target = get_current_target(cmd_ctx);
1678
1679         LOG_DEBUG("-");
1680
1681         if ((retval = target_halt(target)) != ERROR_OK)
1682         {
1683                 return retval;
1684         }
1685
1686         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1687 }
1688
1689 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1690 {
1691         target_t *target = get_current_target(cmd_ctx);
1692
1693         LOG_USER("requesting target halt and executing a soft reset");
1694
1695         target->type->soft_reset_halt(target);
1696
1697         return ERROR_OK;
1698 }
1699
1700 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1701 {
1702         const Jim_Nvp *n;
1703         enum target_reset_mode reset_mode = RESET_RUN;
1704
1705         if (argc >= 1)
1706         {
1707                 n = Jim_Nvp_name2value_simple( nvp_reset_modes, args[0] );
1708                 if( (n->name == NULL) || (n->value == RESET_UNKNOWN) ){
1709                         return ERROR_COMMAND_SYNTAX_ERROR;
1710                 }
1711                 reset_mode = n->value;
1712         }
1713
1714         /* reset *all* targets */
1715         return target_process_reset(cmd_ctx, reset_mode);
1716 }
1717
1718
1719 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1720 {
1721         int retval;
1722         target_t *target = get_current_target(cmd_ctx);
1723
1724         target_handle_event( target, TARGET_EVENT_OLD_pre_resume );
1725
1726         if (argc == 0)
1727                 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1728         else if (argc == 1)
1729                 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1730         else
1731         {
1732                 retval = ERROR_COMMAND_SYNTAX_ERROR;
1733         }
1734
1735         return retval;
1736 }
1737
1738 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1739 {
1740         target_t *target = get_current_target(cmd_ctx);
1741
1742         LOG_DEBUG("-");
1743
1744         if (argc == 0)
1745                 target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1746
1747         if (argc == 1)
1748                 target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1749
1750         return ERROR_OK;
1751 }
1752
1753 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1754 {
1755         const int line_bytecnt = 32;
1756         int count = 1;
1757         int size = 4;
1758         u32 address = 0;
1759         int line_modulo;
1760         int i;
1761
1762         char output[128];
1763         int output_len;
1764
1765         int retval;
1766
1767         u8 *buffer;
1768         target_t *target = get_current_target(cmd_ctx);
1769
1770         if (argc < 1)
1771                 return ERROR_OK;
1772
1773         if (argc == 2)
1774                 count = strtoul(args[1], NULL, 0);
1775
1776         address = strtoul(args[0], NULL, 0);
1777
1778
1779         switch (cmd[2])
1780         {
1781                 case 'w':
1782                         size = 4; line_modulo = line_bytecnt / 4;
1783                         break;
1784                 case 'h':
1785                         size = 2; line_modulo = line_bytecnt / 2;
1786                         break;
1787                 case 'b':
1788                         size = 1; line_modulo = line_bytecnt / 1;
1789                         break;
1790                 default:
1791                         return ERROR_OK;
1792         }
1793
1794         buffer = calloc(count, size);
1795         retval  = target->type->read_memory(target, address, size, count, buffer);
1796         if (retval == ERROR_OK)
1797         {
1798                 output_len = 0;
1799
1800                 for (i = 0; i < count; i++)
1801                 {
1802                         if (i%line_modulo == 0)
1803                                 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1804
1805                         switch (size)
1806                         {
1807                                 case 4:
1808                                         output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1809                                         break;
1810                                 case 2:
1811                                         output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1812                                         break;
1813                                 case 1:
1814                                         output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1815                                         break;
1816                         }
1817
1818                         if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1819                         {
1820                                 command_print(cmd_ctx, output);
1821                                 output_len = 0;
1822                         }
1823                 }
1824         }
1825
1826         free(buffer);
1827
1828         return retval;
1829 }
1830
1831 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1832 {
1833         u32 address = 0;
1834         u32 value = 0;
1835         int count = 1;
1836         int i;
1837         int wordsize;
1838         target_t *target = get_current_target(cmd_ctx);
1839         u8 value_buf[4];
1840
1841          if ((argc < 2) || (argc > 3))
1842                 return ERROR_COMMAND_SYNTAX_ERROR;
1843
1844         address = strtoul(args[0], NULL, 0);
1845         value = strtoul(args[1], NULL, 0);
1846         if (argc == 3)
1847                 count = strtoul(args[2], NULL, 0);
1848
1849         switch (cmd[2])
1850         {
1851                 case 'w':
1852                         wordsize = 4;
1853                         target_buffer_set_u32(target, value_buf, value);
1854                         break;
1855                 case 'h':
1856                         wordsize = 2;
1857                         target_buffer_set_u16(target, value_buf, value);
1858                         break;
1859                 case 'b':
1860                         wordsize = 1;
1861                         value_buf[0] = value;
1862                         break;
1863                 default:
1864                         return ERROR_COMMAND_SYNTAX_ERROR;
1865         }
1866         for (i=0; i<count; i++)
1867         {
1868                 int retval;
1869                 switch (wordsize)
1870                 {
1871                         case 4:
1872                                 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
1873                                 break;
1874                         case 2:
1875                                 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
1876                                 break;
1877                         case 1:
1878                                 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
1879                         break;
1880                         default:
1881                         return ERROR_OK;
1882                 }
1883                 keep_alive();
1884
1885                 if (retval!=ERROR_OK)
1886                 {
1887                         return retval;
1888                 }
1889         }
1890
1891         return ERROR_OK;
1892
1893 }
1894
1895 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1896 {
1897         u8 *buffer;
1898         u32 buf_cnt;
1899         u32 image_size;
1900         u32 min_address=0;
1901         u32 max_address=0xffffffff;
1902         int i;
1903         int retval, retvaltemp;
1904
1905         image_t image;
1906
1907         duration_t duration;
1908         char *duration_text;
1909
1910         target_t *target = get_current_target(cmd_ctx);
1911
1912         if ((argc < 1)||(argc > 5))
1913         {
1914                 return ERROR_COMMAND_SYNTAX_ERROR;
1915         }
1916
1917         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
1918         if (argc >= 2)
1919         {
1920                 image.base_address_set = 1;
1921                 image.base_address = strtoul(args[1], NULL, 0);
1922         }
1923         else
1924         {
1925                 image.base_address_set = 0;
1926         }
1927
1928
1929         image.start_address_set = 0;
1930
1931         if (argc>=4)
1932         {
1933                 min_address=strtoul(args[3], NULL, 0);
1934         }
1935         if (argc>=5)
1936         {
1937                 max_address=strtoul(args[4], NULL, 0)+min_address;
1938         }
1939
1940         if (min_address>max_address)
1941         {
1942                 return ERROR_COMMAND_SYNTAX_ERROR;
1943         }
1944
1945
1946         duration_start_measure(&duration);
1947
1948         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
1949         {
1950                 return ERROR_OK;
1951         }
1952
1953         image_size = 0x0;
1954         retval = ERROR_OK;
1955         for (i = 0; i < image.num_sections; i++)
1956         {
1957                 buffer = malloc(image.sections[i].size);
1958                 if (buffer == NULL)
1959                 {
1960                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
1961                         break;
1962                 }
1963
1964                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
1965                 {
1966                         free(buffer);
1967                         break;
1968                 }
1969
1970                 u32 offset=0;
1971                 u32 length=buf_cnt;
1972
1973
1974                 /* DANGER!!! beware of unsigned comparision here!!! */
1975
1976                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
1977                                 (image.sections[i].base_address<max_address))
1978                 {
1979                         if (image.sections[i].base_address<min_address)
1980                         {
1981                                 /* clip addresses below */
1982                                 offset+=min_address-image.sections[i].base_address;
1983                                 length-=offset;
1984                         }
1985
1986                         if (image.sections[i].base_address+buf_cnt>max_address)
1987                         {
1988                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
1989                         }
1990
1991                         if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
1992                         {
1993                                 free(buffer);
1994                                 break;
1995                         }
1996                         image_size += length;
1997                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
1998                 }
1999
2000                 free(buffer);
2001         }
2002
2003         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2004         {
2005                 image_close(&image);
2006                 return retvaltemp;
2007         }
2008
2009         if (retval==ERROR_OK)
2010         {
2011                 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2012         }
2013         free(duration_text);
2014
2015         image_close(&image);
2016
2017         return retval;
2018
2019 }
2020
2021 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2022 {
2023         fileio_t fileio;
2024
2025         u32 address;
2026         u32 size;
2027         u8 buffer[560];
2028         int retval=ERROR_OK, retvaltemp;
2029
2030         duration_t duration;
2031         char *duration_text;
2032
2033         target_t *target = get_current_target(cmd_ctx);
2034
2035         if (argc != 3)
2036         {
2037                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2038                 return ERROR_OK;
2039         }
2040
2041         address = strtoul(args[1], NULL, 0);
2042         size = strtoul(args[2], NULL, 0);
2043
2044         if ((address & 3) || (size & 3))
2045         {
2046                 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2047                 return ERROR_OK;
2048         }
2049
2050         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2051         {
2052                 return ERROR_OK;
2053         }
2054
2055         duration_start_measure(&duration);
2056
2057         while (size > 0)
2058         {
2059                 u32 size_written;
2060                 u32 this_run_size = (size > 560) ? 560 : size;
2061
2062                 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2063                 if (retval != ERROR_OK)
2064                 {
2065                         break;
2066                 }
2067
2068                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2069                 if (retval != ERROR_OK)
2070                 {
2071                         break;
2072                 }
2073
2074                 size -= this_run_size;
2075                 address += this_run_size;
2076         }
2077
2078         if((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2079                 return retvaltemp;
2080
2081         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2082                 return retvaltemp;
2083
2084         if (retval==ERROR_OK)
2085         {
2086                 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2087         }
2088         free(duration_text);
2089
2090         return ERROR_OK;
2091 }
2092
2093 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2094 {
2095         u8 *buffer;
2096         u32 buf_cnt;
2097         u32 image_size;
2098         int i;
2099         int retval, retvaltemp;
2100         u32 checksum = 0;
2101         u32 mem_checksum = 0;
2102
2103         image_t image;
2104
2105         duration_t duration;
2106         char *duration_text;
2107
2108         target_t *target = get_current_target(cmd_ctx);
2109
2110         if (argc < 1)
2111         {
2112                 return ERROR_COMMAND_SYNTAX_ERROR;
2113         }
2114
2115         if (!target)
2116         {
2117                 LOG_ERROR("no target selected");
2118                 return ERROR_FAIL;
2119         }
2120
2121         duration_start_measure(&duration);
2122
2123         if (argc >= 2)
2124         {
2125                 image.base_address_set = 1;
2126                 image.base_address = strtoul(args[1], NULL, 0);
2127         }
2128         else
2129         {
2130                 image.base_address_set = 0;
2131                 image.base_address = 0x0;
2132         }
2133
2134         image.start_address_set = 0;
2135
2136         if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2137         {
2138                 return retval;
2139         }
2140
2141         image_size = 0x0;
2142         retval=ERROR_OK;
2143         for (i = 0; i < image.num_sections; i++)
2144         {
2145                 buffer = malloc(image.sections[i].size);
2146                 if (buffer == NULL)
2147                 {
2148                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2149                         break;
2150                 }
2151                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2152                 {
2153                         free(buffer);
2154                         break;
2155                 }
2156
2157                 /* calculate checksum of image */
2158                 image_calculate_checksum( buffer, buf_cnt, &checksum );
2159
2160                 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2161                 if( retval != ERROR_OK )
2162                 {
2163                         free(buffer);
2164                         break;
2165                 }
2166
2167                 if( checksum != mem_checksum )
2168                 {
2169                         /* failed crc checksum, fall back to a binary compare */
2170                         u8 *data;
2171
2172                         command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2173
2174                         data = (u8*)malloc(buf_cnt);
2175
2176                         /* Can we use 32bit word accesses? */
2177                         int size = 1;
2178                         int count = buf_cnt;
2179                         if ((count % 4) == 0)
2180                         {
2181                                 size *= 4;
2182                                 count /= 4;
2183                         }
2184                         retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2185                         if (retval == ERROR_OK)
2186                         {
2187                                 int t;
2188                                 for (t = 0; t < buf_cnt; t++)
2189                                 {
2190                                         if (data[t] != buffer[t])
2191                                         {
2192                                                 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]);
2193                                                 free(data);
2194                                                 free(buffer);
2195                                                 retval=ERROR_FAIL;
2196                                                 goto done;
2197                                         }
2198                                         if ((t%16384)==0)
2199                                         {
2200                                                 keep_alive();
2201                                         }
2202                                 }
2203                         }
2204
2205                         free(data);
2206                 }
2207
2208                 free(buffer);
2209                 image_size += buf_cnt;
2210         }
2211 done:
2212
2213         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2214         {
2215                 image_close(&image);
2216                 return retvaltemp;
2217         }
2218
2219         if (retval==ERROR_OK)
2220         {
2221                 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2222         }
2223         free(duration_text);
2224
2225         image_close(&image);
2226
2227         return retval;
2228 }
2229
2230 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2231 {
2232         int retval;
2233         target_t *target = get_current_target(cmd_ctx);
2234
2235         if (argc == 0)
2236         {
2237                 breakpoint_t *breakpoint = target->breakpoints;
2238
2239                 while (breakpoint)
2240                 {
2241                         if (breakpoint->type == BKPT_SOFT)
2242                         {
2243                                 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2244                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2245                                 free(buf);
2246                         }
2247                         else
2248                         {
2249                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2250                         }
2251                         breakpoint = breakpoint->next;
2252                 }
2253         }
2254         else if (argc >= 2)
2255         {
2256                 int hw = BKPT_SOFT;
2257                 u32 length = 0;
2258
2259                 length = strtoul(args[1], NULL, 0);
2260
2261                 if (argc >= 3)
2262                         if (strcmp(args[2], "hw") == 0)
2263                                 hw = BKPT_HARD;
2264
2265                 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2266                 {
2267                         LOG_ERROR("Failure setting breakpoints");
2268                 }
2269                 else
2270                 {
2271                         command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2272                 }
2273         }
2274         else
2275         {
2276                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2277         }
2278
2279         return ERROR_OK;
2280 }
2281
2282 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2283 {
2284         target_t *target = get_current_target(cmd_ctx);
2285
2286         if (argc > 0)
2287                 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2288
2289         return ERROR_OK;
2290 }
2291
2292 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2293 {
2294         target_t *target = get_current_target(cmd_ctx);
2295         int retval;
2296
2297         if (argc == 0)
2298         {
2299                 watchpoint_t *watchpoint = target->watchpoints;
2300
2301                 while (watchpoint)
2302                 {
2303                         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);
2304                         watchpoint = watchpoint->next;
2305                 }
2306         }
2307         else if (argc >= 2)
2308         {
2309                 enum watchpoint_rw type = WPT_ACCESS;
2310                 u32 data_value = 0x0;
2311                 u32 data_mask = 0xffffffff;
2312
2313                 if (argc >= 3)
2314                 {
2315                         switch(args[2][0])
2316                         {
2317                                 case 'r':
2318                                         type = WPT_READ;
2319                                         break;
2320                                 case 'w':
2321                                         type = WPT_WRITE;
2322                                         break;
2323                                 case 'a':
2324                                         type = WPT_ACCESS;
2325                                         break;
2326                                 default:
2327                                         command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2328                                         return ERROR_OK;
2329                         }
2330                 }
2331                 if (argc >= 4)
2332                 {
2333                         data_value = strtoul(args[3], NULL, 0);
2334                 }
2335                 if (argc >= 5)
2336                 {
2337                         data_mask = strtoul(args[4], NULL, 0);
2338                 }
2339
2340                 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2341                                 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2342                 {
2343                         LOG_ERROR("Failure setting breakpoints");
2344                 }
2345         }
2346         else
2347         {
2348                 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2349         }
2350
2351         return ERROR_OK;
2352 }
2353
2354 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2355 {
2356         target_t *target = get_current_target(cmd_ctx);
2357
2358         if (argc > 0)
2359                 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2360
2361         return ERROR_OK;
2362 }
2363
2364 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2365 {
2366         int retval;
2367         target_t *target = get_current_target(cmd_ctx);
2368         u32 va;
2369         u32 pa;
2370
2371         if (argc != 1)
2372         {
2373                 return ERROR_COMMAND_SYNTAX_ERROR;
2374         }
2375         va = strtoul(args[0], NULL, 0);
2376
2377         retval = target->type->virt2phys(target, va, &pa);
2378         if (retval == ERROR_OK)
2379         {
2380                 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2381         }
2382         else
2383         {
2384                 /* lower levels will have logged a detailed error which is
2385                  * forwarded to telnet/GDB session.
2386                  */
2387         }
2388         return retval;
2389 }
2390 static void writeLong(FILE *f, int l)
2391 {
2392         int i;
2393         for (i=0; i<4; i++)
2394         {
2395                 char c=(l>>(i*8))&0xff;
2396                 fwrite(&c, 1, 1, f);
2397         }
2398
2399 }
2400 static void writeString(FILE *f, char *s)
2401 {
2402         fwrite(s, 1, strlen(s), f);
2403 }
2404
2405
2406
2407 // Dump a gmon.out histogram file.
2408 static void writeGmon(u32 *samples, int sampleNum, char *filename)
2409 {
2410         int i;
2411         FILE *f=fopen(filename, "w");
2412         if (f==NULL)
2413                 return;
2414         fwrite("gmon", 1, 4, f);
2415         writeLong(f, 0x00000001); // Version
2416         writeLong(f, 0); // padding
2417         writeLong(f, 0); // padding
2418         writeLong(f, 0); // padding
2419
2420         fwrite("", 1, 1, f);  // GMON_TAG_TIME_HIST
2421
2422         // figure out bucket size
2423         u32 min=samples[0];
2424         u32 max=samples[0];
2425         for (i=0; i<sampleNum; i++)
2426         {
2427                 if (min>samples[i])
2428                 {
2429                         min=samples[i];
2430                 }
2431                 if (max<samples[i])
2432                 {
2433                         max=samples[i];
2434                 }
2435         }
2436
2437         int addressSpace=(max-min+1);
2438
2439         static int const maxBuckets=256*1024; // maximum buckets.
2440         int length=addressSpace;
2441         if (length > maxBuckets)
2442         {
2443                 length=maxBuckets;
2444         }
2445         int *buckets=malloc(sizeof(int)*length);
2446         if (buckets==NULL)
2447         {
2448                 fclose(f);
2449                 return;
2450         }
2451         memset(buckets, 0, sizeof(int)*length);
2452         for (i=0; i<sampleNum;i++)
2453         {
2454                 u32 address=samples[i];
2455                 long long a=address-min;
2456                 long long b=length-1;
2457                 long long c=addressSpace-1;
2458                 int index=(a*b)/c; // danger!!!! int32 overflows
2459                 buckets[index]++;
2460         }
2461
2462         //                         append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr))
2463         writeLong(f, min);                                      // low_pc
2464         writeLong(f, max);              // high_pc
2465         writeLong(f, length);           // # of samples
2466         writeLong(f, 64000000);                         // 64MHz
2467         writeString(f, "seconds");
2468         for (i=0; i<(15-strlen("seconds")); i++)
2469         {
2470                 fwrite("", 1, 1, f);  // padding
2471         }
2472         writeString(f, "s");
2473
2474 //                         append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size)
2475
2476         char *data=malloc(2*length);
2477         if (data!=NULL)
2478         {
2479                 for (i=0; i<length;i++)
2480                 {
2481                         int val;
2482                         val=buckets[i];
2483                         if (val>65535)
2484                         {
2485                                 val=65535;
2486                         }
2487                         data[i*2]=val&0xff;
2488                         data[i*2+1]=(val>>8)&0xff;
2489                 }
2490                 free(buckets);
2491                 fwrite(data, 1, length*2, f);
2492                 free(data);
2493         } else
2494         {
2495                 free(buckets);
2496         }
2497
2498         fclose(f);
2499 }
2500
2501 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2502 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2503 {
2504         target_t *target = get_current_target(cmd_ctx);
2505         struct timeval timeout, now;
2506
2507         gettimeofday(&timeout, NULL);
2508         if (argc!=2)
2509         {
2510                 return ERROR_COMMAND_SYNTAX_ERROR;
2511         }
2512         char *end;
2513         timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2514         if (*end)
2515         {
2516                 return ERROR_OK;
2517         }
2518
2519         command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2520
2521         static const int maxSample=10000;
2522         u32 *samples=malloc(sizeof(u32)*maxSample);
2523         if (samples==NULL)
2524                 return ERROR_OK;
2525
2526         int numSamples=0;
2527         int retval=ERROR_OK;
2528         // hopefully it is safe to cache! We want to stop/restart as quickly as possible.
2529         reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2530
2531         for (;;)
2532         {
2533                 target_poll(target);
2534                 if (target->state == TARGET_HALTED)
2535                 {
2536                         u32 t=*((u32 *)reg->value);
2537                         samples[numSamples++]=t;
2538                         retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2539                         target_poll(target);
2540                         alive_sleep(10); // sleep 10ms, i.e. <100 samples/second.
2541                 } else if (target->state == TARGET_RUNNING)
2542                 {
2543                         // We want to quickly sample the PC.
2544                         if((retval = target_halt(target)) != ERROR_OK)
2545                         {
2546                                 free(samples);
2547                                 return retval;
2548                         }
2549                 } else
2550                 {
2551                         command_print(cmd_ctx, "Target not halted or running");
2552                         retval=ERROR_OK;
2553                         break;
2554                 }
2555                 if (retval!=ERROR_OK)
2556                 {
2557                         break;
2558                 }
2559
2560                 gettimeofday(&now, NULL);
2561                 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2562                 {
2563                         command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2564                         if((retval = target_poll(target)) != ERROR_OK)
2565                         {
2566                                 free(samples);
2567                                 return retval;
2568                         }
2569                         if (target->state == TARGET_HALTED)
2570                         {
2571                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2572                         }
2573                         if((retval = target_poll(target)) != ERROR_OK)
2574                         {
2575                                 free(samples);
2576                                 return retval;
2577                         }
2578                         writeGmon(samples, numSamples, args[1]);
2579                         command_print(cmd_ctx, "Wrote %s", args[1]);
2580                         break;
2581                 }
2582         }
2583         free(samples);
2584
2585         return ERROR_OK;
2586 }
2587
2588 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2589 {
2590         char *namebuf;
2591         Jim_Obj *nameObjPtr, *valObjPtr;
2592         int result;
2593
2594         namebuf = alloc_printf("%s(%d)", varname, idx);
2595         if (!namebuf)
2596                 return JIM_ERR;
2597
2598         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2599         valObjPtr = Jim_NewIntObj(interp, val);
2600         if (!nameObjPtr || !valObjPtr)
2601         {
2602                 free(namebuf);
2603                 return JIM_ERR;
2604         }
2605
2606         Jim_IncrRefCount(nameObjPtr);
2607         Jim_IncrRefCount(valObjPtr);
2608         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2609         Jim_DecrRefCount(interp, nameObjPtr);
2610         Jim_DecrRefCount(interp, valObjPtr);
2611         free(namebuf);
2612         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2613         return result;
2614 }
2615
2616 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2617 {
2618         command_context_t *context;
2619         target_t *target;
2620
2621         context = Jim_GetAssocData(interp, "context");
2622         if (context == NULL)
2623         {
2624                 LOG_ERROR("mem2array: no command context");
2625                 return JIM_ERR;
2626         }
2627         target = get_current_target(context);
2628         if (target == NULL)
2629         {
2630                 LOG_ERROR("mem2array: no current target");
2631                 return JIM_ERR;
2632         }
2633
2634         return  target_mem2array(interp, target, argc,argv);
2635 }
2636
2637 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2638 {
2639         long l;
2640         u32 width;
2641         u32 len;
2642         u32 addr;
2643         u32 count;
2644         u32 v;
2645         const char *varname;
2646         u8 buffer[4096];
2647         int  i, n, e, retval;
2648
2649         /* argv[1] = name of array to receive the data
2650          * argv[2] = desired width
2651          * argv[3] = memory address
2652          * argv[4] = count of times to read
2653          */
2654         if (argc != 5) {
2655                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2656                 return JIM_ERR;
2657         }
2658         varname = Jim_GetString(argv[1], &len);
2659         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2660
2661         e = Jim_GetLong(interp, argv[2], &l);
2662         width = l;
2663         if (e != JIM_OK) {
2664                 return e;
2665         }
2666
2667         e = Jim_GetLong(interp, argv[3], &l);
2668         addr = l;
2669         if (e != JIM_OK) {
2670                 return e;
2671         }
2672         e = Jim_GetLong(interp, argv[4], &l);
2673         len = l;
2674         if (e != JIM_OK) {
2675                 return e;
2676         }
2677         switch (width) {
2678                 case 8:
2679                         width = 1;
2680                         break;
2681                 case 16:
2682                         width = 2;
2683                         break;
2684                 case 32:
2685                         width = 4;
2686                         break;
2687                 default:
2688                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2689                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2690                         return JIM_ERR;
2691         }
2692         if (len == 0) {
2693                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2694                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2695                 return JIM_ERR;
2696         }
2697         if ((addr + (len * width)) < addr) {
2698                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2699                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2700                 return JIM_ERR;
2701         }
2702         /* absurd transfer size? */
2703         if (len > 65536) {
2704                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2705                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2706                 return JIM_ERR;
2707         }
2708
2709         if ((width == 1) ||
2710                 ((width == 2) && ((addr & 1) == 0)) ||
2711                 ((width == 4) && ((addr & 3) == 0))) {
2712                 /* all is well */
2713         } else {
2714                 char buf[100];
2715                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2716                 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2717                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2718                 return JIM_ERR;
2719         }
2720
2721         /* Transfer loop */
2722
2723         /* index counter */
2724         n = 0;
2725         /* assume ok */
2726         e = JIM_OK;
2727         while (len) {
2728                 /* Slurp... in buffer size chunks */
2729
2730                 count = len; /* in objects.. */
2731                 if (count > (sizeof(buffer)/width)) {
2732                         count = (sizeof(buffer)/width);
2733                 }
2734
2735                 retval = target->type->read_memory( target, addr, width, count, buffer );
2736                 if (retval != ERROR_OK) {
2737                         /* BOO !*/
2738                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2739                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2740                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2741                         e = JIM_ERR;
2742                         len = 0;
2743                 } else {
2744                         v = 0; /* shut up gcc */
2745                         for (i = 0 ;i < count ;i++, n++) {
2746                                 switch (width) {
2747                                         case 4:
2748                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
2749                                                 break;
2750                                         case 2:
2751                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
2752                                                 break;
2753                                         case 1:
2754                                                 v = buffer[i] & 0x0ff;
2755                                                 break;
2756                                 }
2757                                 new_int_array_element(interp, varname, n, v);
2758                         }
2759                         len -= count;
2760                 }
2761         }
2762
2763         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2764
2765         return JIM_OK;
2766 }
2767
2768 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
2769 {
2770         char *namebuf;
2771         Jim_Obj *nameObjPtr, *valObjPtr;
2772         int result;
2773         long l;
2774
2775         namebuf = alloc_printf("%s(%d)", varname, idx);
2776         if (!namebuf)
2777                 return JIM_ERR;
2778
2779         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2780         if (!nameObjPtr)
2781         {
2782                 free(namebuf);
2783                 return JIM_ERR;
2784         }
2785
2786         Jim_IncrRefCount(nameObjPtr);
2787         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
2788         Jim_DecrRefCount(interp, nameObjPtr);
2789         free(namebuf);
2790         if (valObjPtr == NULL)
2791                 return JIM_ERR;
2792
2793         result = Jim_GetLong(interp, valObjPtr, &l);
2794         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
2795         *val = l;
2796         return result;
2797 }
2798
2799 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2800 {
2801         command_context_t *context;
2802         target_t *target;
2803
2804         context = Jim_GetAssocData(interp, "context");
2805         if (context == NULL){
2806                 LOG_ERROR("array2mem: no command context");
2807                 return JIM_ERR;
2808         }
2809         target = get_current_target(context);
2810         if (target == NULL){
2811                 LOG_ERROR("array2mem: no current target");
2812                 return JIM_ERR;
2813         }
2814
2815         return target_array2mem( interp,target, argc, argv );
2816 }
2817
2818
2819 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2820 {
2821         long l;
2822         u32 width;
2823         u32 len;
2824         u32 addr;
2825         u32 count;
2826         u32 v;
2827         const char *varname;
2828         u8 buffer[4096];
2829         int  i, n, e, retval;
2830
2831         /* argv[1] = name of array to get the data
2832          * argv[2] = desired width
2833          * argv[3] = memory address
2834          * argv[4] = count to write
2835          */
2836         if (argc != 5) {
2837                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2838                 return JIM_ERR;
2839         }
2840         varname = Jim_GetString(argv[1], &len);
2841         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2842
2843         e = Jim_GetLong(interp, argv[2], &l);
2844         width = l;
2845         if (e != JIM_OK) {
2846                 return e;
2847         }
2848
2849         e = Jim_GetLong(interp, argv[3], &l);
2850         addr = l;
2851         if (e != JIM_OK) {
2852                 return e;
2853         }
2854         e = Jim_GetLong(interp, argv[4], &l);
2855         len = l;
2856         if (e != JIM_OK) {
2857                 return e;
2858         }
2859         switch (width) {
2860                 case 8:
2861                         width = 1;
2862                         break;
2863                 case 16:
2864                         width = 2;
2865                         break;
2866                 case 32:
2867                         width = 4;
2868                         break;
2869                 default:
2870                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2871                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2872                         return JIM_ERR;
2873         }
2874         if (len == 0) {
2875                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2876                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
2877                 return JIM_ERR;
2878         }
2879         if ((addr + (len * width)) < addr) {
2880                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2881                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
2882                 return JIM_ERR;
2883         }
2884         /* absurd transfer size? */
2885         if (len > 65536) {
2886                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2887                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
2888                 return JIM_ERR;
2889         }
2890
2891         if ((width == 1) ||
2892                 ((width == 2) && ((addr & 1) == 0)) ||
2893                 ((width == 4) && ((addr & 3) == 0))) {
2894                 /* all is well */
2895         } else {
2896                 char buf[100];
2897                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2898                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
2899                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2900                 return JIM_ERR;
2901         }
2902
2903
2904         /* Transfer loop */
2905
2906         /* index counter */
2907         n = 0;
2908         /* assume ok */
2909         e = JIM_OK;
2910         while (len) {
2911                 /* Slurp... in buffer size chunks */
2912
2913                 count = len; /* in objects.. */
2914                 if (count > (sizeof(buffer)/width)) {
2915                         count = (sizeof(buffer)/width);
2916                 }
2917
2918                 v = 0; /* shut up gcc */
2919                 for (i = 0 ;i < count ;i++, n++) {
2920                         get_int_array_element(interp, varname, n, &v);
2921                         switch (width) {
2922                         case 4:
2923                                 target_buffer_set_u32(target, &buffer[i*width], v);
2924                                 break;
2925                         case 2:
2926                                 target_buffer_set_u16(target, &buffer[i*width], v);
2927                                 break;
2928                         case 1:
2929                                 buffer[i] = v & 0x0ff;
2930                                 break;
2931                         }
2932                 }
2933                 len -= count;
2934
2935                 retval = target->type->write_memory(target, addr, width, count, buffer);
2936                 if (retval != ERROR_OK) {
2937                         /* BOO !*/
2938                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2939                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2940                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
2941                         e = JIM_ERR;
2942                         len = 0;
2943                 }
2944         }
2945
2946         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2947
2948         return JIM_OK;
2949 }
2950
2951 void
2952 target_all_handle_event( enum target_event e )
2953 {
2954         target_t *target;
2955
2956
2957         LOG_DEBUG( "**all*targets: event: %d, %s",
2958                    e,
2959                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
2960
2961         target = all_targets;
2962         while (target){
2963                 target_handle_event( target, e );
2964                 target = target->next;
2965         }
2966 }
2967
2968 void
2969 target_handle_event( target_t *target, enum target_event e )
2970 {
2971         target_event_action_t *teap;
2972         int done;
2973
2974         teap = target->event_action;
2975
2976         done = 0;
2977         while( teap ){
2978                 if( teap->event == e ){
2979                         done = 1;
2980                         LOG_DEBUG( "target: (%d) %s (%s) event: %d (%s) action: %s\n",
2981                                            target->target_number,
2982                                            target->cmd_name,
2983                                            target->type->name,
2984                                            e,
2985                                            Jim_Nvp_value2name_simple( nvp_target_event, e )->name,
2986                                            Jim_GetString( teap->body, NULL ) );
2987                         if (Jim_EvalObj( interp, teap->body )!=JIM_OK)
2988                         {
2989                                 Jim_PrintErrorMessage(interp);
2990                         }
2991                 }
2992                 teap = teap->next;
2993         }
2994         if( !done ){
2995                 LOG_DEBUG( "event: %d %s - no action",
2996                                    e,
2997                                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
2998         }
2999 }
3000
3001 enum target_cfg_param {
3002         TCFG_TYPE,
3003         TCFG_EVENT,
3004         TCFG_WORK_AREA_VIRT,
3005         TCFG_WORK_AREA_PHYS,
3006         TCFG_WORK_AREA_SIZE,
3007         TCFG_WORK_AREA_BACKUP,
3008         TCFG_ENDIAN,
3009         TCFG_VARIANT,
3010         TCFG_CHAIN_POSITION,
3011 };
3012
3013
3014 static Jim_Nvp nvp_config_opts[] = {
3015         { .name = "-type",             .value = TCFG_TYPE },
3016         { .name = "-event",            .value = TCFG_EVENT },
3017         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3018         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3019         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3020         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3021         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3022         { .name = "-variant",          .value = TCFG_VARIANT },
3023         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3024
3025         { .name = NULL, .value = -1 }
3026 };
3027
3028
3029 static int
3030 target_configure( Jim_GetOptInfo *goi,
3031                                   target_t *target )
3032 {
3033         Jim_Nvp *n;
3034         Jim_Obj *o;
3035         jim_wide w;
3036         char *cp;
3037         int e;
3038
3039
3040         /* parse config or cget options ... */
3041         while( goi->argc > 0 ){
3042                 Jim_SetEmptyResult( goi->interp );
3043                 //Jim_GetOpt_Debug( goi );
3044
3045                 if( target->type->target_jim_configure ){
3046                         /* target defines a configure function */
3047                         /* target gets first dibs on parameters */
3048                         e = (*(target->type->target_jim_configure))( target, goi );
3049                         if( e == JIM_OK ){
3050                                 /* more? */
3051                                 continue;
3052                         }
3053                         if( e == JIM_ERR ){
3054                                 /* An error */
3055                                 return e;
3056                         }
3057                         /* otherwise we 'continue' below */
3058                 }
3059                 e = Jim_GetOpt_Nvp( goi, nvp_config_opts, &n );
3060                 if( e != JIM_OK ){
3061                         Jim_GetOpt_NvpUnknown( goi, nvp_config_opts, 0 );
3062                         return e;
3063                 }
3064                 switch( n->value ){
3065                 case TCFG_TYPE:
3066                         /* not setable */
3067                         if( goi->isconfigure ){
3068                                 Jim_SetResult_sprintf( goi->interp, "not setable: %s", n->name );
3069                                 return JIM_ERR;
3070                         } else {
3071                         no_params:
3072                                 if( goi->argc != 0 ){
3073                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "NO PARAMS");
3074                                         return JIM_ERR;
3075                                 }
3076                         }
3077                         Jim_SetResultString( goi->interp, target->type->name, -1 );
3078                         /* loop for more */
3079                         break;
3080                 case TCFG_EVENT:
3081                         if( goi->argc == 0 ){
3082                                 Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3083                                 return JIM_ERR;
3084                         }
3085
3086                         e = Jim_GetOpt_Nvp( goi, nvp_target_event, &n );
3087                         if( e != JIM_OK ){
3088                                 Jim_GetOpt_NvpUnknown( goi, nvp_target_event, 1 );
3089                                 return e;
3090                         }
3091
3092                         if( goi->isconfigure ){
3093                                 if( goi->argc != 1 ){
3094                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3095                                         return JIM_ERR;
3096                                 }
3097                         } else {
3098                                 if( goi->argc != 0 ){
3099                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3100                                         return JIM_ERR;
3101                                 }
3102                         }
3103
3104
3105                         {
3106                                 target_event_action_t *teap;
3107
3108                                 teap = target->event_action;
3109                                 /* replace existing? */
3110                                 while( teap ){
3111                                         if( teap->event == n->value ){
3112                                                 break;
3113                                         }
3114                                         teap = teap->next;
3115                                 }
3116
3117                                 if( goi->isconfigure ){
3118                                         if( teap == NULL ){
3119                                                 /* create new */
3120                                                 teap = calloc( 1, sizeof(*teap) );
3121                                         }
3122                                         teap->event = n->value;
3123                                         Jim_GetOpt_Obj( goi, &o );
3124                                         if( teap->body ){
3125                                                 Jim_DecrRefCount( interp, teap->body );
3126                                         }
3127                                         teap->body  = Jim_DuplicateObj( goi->interp, o );
3128                                         /*
3129                                          * FIXME:
3130                                          *     Tcl/TK - "tk events" have a nice feature.
3131                                          *     See the "BIND" command.
3132                                          *    We should support that here.
3133                                          *     You can specify %X and %Y in the event code.
3134                                          *     The idea is: %T - target name.
3135                                          *     The idea is: %N - target number
3136                                          *     The idea is: %E - event name.
3137                                          */
3138                                         Jim_IncrRefCount( teap->body );
3139
3140                                         /* add to head of event list */
3141                                         teap->next = target->event_action;
3142                                         target->event_action = teap;
3143                                         Jim_SetEmptyResult(goi->interp);
3144                                 } else {
3145                                         /* get */
3146                                         if( teap == NULL ){
3147                                                 Jim_SetEmptyResult( goi->interp );
3148                                         } else {
3149                                                 Jim_SetResult( goi->interp, Jim_DuplicateObj( goi->interp, teap->body ) );
3150                                         }
3151                                 }
3152                         }
3153                         /* loop for more */
3154                         break;
3155
3156                 case TCFG_WORK_AREA_VIRT:
3157                         if( goi->isconfigure ){
3158                                 target_free_all_working_areas(target);
3159                                 e = Jim_GetOpt_Wide( goi, &w );
3160                                 if( e != JIM_OK ){
3161                                         return e;
3162                                 }
3163                                 target->working_area_virt = w;
3164                         } else {
3165                                 if( goi->argc != 0 ){
3166                                         goto no_params;
3167                                 }
3168                         }
3169                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_virt ) );
3170                         /* loop for more */
3171                         break;
3172
3173                 case TCFG_WORK_AREA_PHYS:
3174                         if( goi->isconfigure ){
3175                                 target_free_all_working_areas(target);
3176                                 e = Jim_GetOpt_Wide( goi, &w );
3177                                 if( e != JIM_OK ){
3178                                         return e;
3179                                 }
3180                                 target->working_area_phys = w;
3181                         } else {
3182                                 if( goi->argc != 0 ){
3183                                         goto no_params;
3184                                 }
3185                         }
3186                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_phys ) );
3187                         /* loop for more */
3188                         break;
3189
3190                 case TCFG_WORK_AREA_SIZE:
3191                         if( goi->isconfigure ){
3192                                 target_free_all_working_areas(target);
3193                                 e = Jim_GetOpt_Wide( goi, &w );
3194                                 if( e != JIM_OK ){
3195                                         return e;
3196                                 }
3197                                 target->working_area_size = w;
3198                         } else {
3199                                 if( goi->argc != 0 ){
3200                                         goto no_params;
3201                                 }
3202                         }
3203                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3204                         /* loop for more */
3205                         break;
3206
3207                 case TCFG_WORK_AREA_BACKUP:
3208                         if( goi->isconfigure ){
3209                                 target_free_all_working_areas(target);
3210                                 e = Jim_GetOpt_Wide( goi, &w );
3211                                 if( e != JIM_OK ){
3212                                         return e;
3213                                 }
3214                                 /* make this exactly 1 or 0 */
3215                                 target->backup_working_area = (!!w);
3216                         } else {
3217                                 if( goi->argc != 0 ){
3218                                         goto no_params;
3219                                 }
3220                         }
3221                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3222                         /* loop for more e*/
3223                         break;
3224
3225                 case TCFG_ENDIAN:
3226                         if( goi->isconfigure ){
3227                                 e = Jim_GetOpt_Nvp( goi, nvp_target_endian, &n );
3228                                 if( e != JIM_OK ){
3229                                         Jim_GetOpt_NvpUnknown( goi, nvp_target_endian, 1 );
3230                                         return e;
3231                                 }
3232                                 target->endianness = n->value;
3233                         } else {
3234                                 if( goi->argc != 0 ){
3235                                         goto no_params;
3236                                 }
3237                         }
3238                         n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3239                         if( n->name == NULL ){
3240                                 target->endianness = TARGET_LITTLE_ENDIAN;
3241                                 n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3242                         }
3243                         Jim_SetResultString( goi->interp, n->name, -1 );
3244                         /* loop for more */
3245                         break;
3246
3247                 case TCFG_VARIANT:
3248                         if( goi->isconfigure ){
3249                                 if( goi->argc < 1 ){
3250                                         Jim_SetResult_sprintf( goi->interp,
3251                                                                                    "%s ?STRING?",
3252                                                                                    n->name );
3253                                         return JIM_ERR;
3254                                 }
3255                                 if( target->variant ){
3256                                         free((void *)(target->variant));
3257                                 }
3258                                 e = Jim_GetOpt_String( goi, &cp, NULL );
3259                                 target->variant = strdup(cp);
3260                         } else {
3261                                 if( goi->argc != 0 ){
3262                                         goto no_params;
3263                                 }
3264                         }
3265                         Jim_SetResultString( goi->interp, target->variant,-1 );
3266                         /* loop for more */
3267                         break;
3268                 case TCFG_CHAIN_POSITION:
3269                         if( goi->isconfigure ){
3270                                 target_free_all_working_areas(target);
3271                                 e = Jim_GetOpt_Wide( goi, &w );
3272                                 if( e != JIM_OK ){
3273                                         return e;
3274                                 }
3275                                 /* make this exactly 1 or 0 */
3276                                 target->chain_position = w;
3277                         } else {
3278                                 if( goi->argc != 0 ){
3279                                         goto no_params;
3280                                 }
3281                         }
3282                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->chain_position ) );
3283                         /* loop for more e*/
3284                         break;
3285                 }
3286         } /* while( goi->argc ) */
3287                 /* done - we return */
3288         return JIM_OK;
3289 }
3290
3291
3292 /** this is the 'tcl' handler for the target specific command */
3293 static int
3294 tcl_target_func( Jim_Interp *interp,
3295                                  int argc,
3296                                  Jim_Obj *const *argv )
3297 {
3298         Jim_GetOptInfo goi;
3299         jim_wide a,b,c;
3300         int x,y,z;
3301         u8  target_buf[32];
3302         Jim_Nvp *n;
3303         target_t *target;
3304         struct command_context_s *cmd_ctx;
3305         int e;
3306
3307
3308         enum {
3309                 TS_CMD_CONFIGURE,
3310                 TS_CMD_CGET,
3311
3312                 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3313                 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3314                 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3315                 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3316                 TS_CMD_EXAMINE,
3317                 TS_CMD_POLL,
3318                 TS_CMD_RESET,
3319                 TS_CMD_HALT,
3320                 TS_CMD_WAITSTATE,
3321                 TS_CMD_EVENTLIST,
3322                 TS_CMD_CURSTATE,
3323                 TS_CMD_INVOKE_EVENT,
3324         };
3325
3326         static const Jim_Nvp target_options[] = {
3327                 { .name = "configure", .value = TS_CMD_CONFIGURE },
3328                 { .name = "cget", .value = TS_CMD_CGET },
3329                 { .name = "mww", .value = TS_CMD_MWW },
3330                 { .name = "mwh", .value = TS_CMD_MWH },
3331                 { .name = "mwb", .value = TS_CMD_MWB },
3332                 { .name = "mdw", .value = TS_CMD_MDW },
3333                 { .name = "mdh", .value = TS_CMD_MDH },
3334                 { .name = "mdb", .value = TS_CMD_MDB },
3335                 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3336                 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3337                 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3338                 { .name = "curstate",  .value = TS_CMD_CURSTATE },
3339
3340                 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3341                 { .name = "arp_poll", .value = TS_CMD_POLL },
3342                 { .name = "arp_reset", .value = TS_CMD_RESET },
3343                 { .name = "arp_halt", .value = TS_CMD_HALT },
3344                 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3345                 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3346
3347                 { .name = NULL, .value = -1 },
3348         };
3349
3350
3351         /* go past the "command" */
3352         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3353
3354         target = Jim_CmdPrivData( goi.interp );
3355         cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3356
3357         /* commands here are in an NVP table */
3358         e = Jim_GetOpt_Nvp( &goi, target_options, &n );
3359         if( e != JIM_OK ){
3360                 Jim_GetOpt_NvpUnknown( &goi, target_options, 0 );
3361                 return e;
3362         }
3363         // Assume blank result
3364         Jim_SetEmptyResult( goi.interp );
3365
3366         switch( n->value ){
3367         case TS_CMD_CONFIGURE:
3368                 if( goi.argc < 2 ){
3369                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3370                         return JIM_ERR;
3371                 }
3372                 goi.isconfigure = 1;
3373                 return target_configure( &goi, target );
3374         case TS_CMD_CGET:
3375                 // some things take params
3376                 if( goi.argc < 1 ){
3377                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "missing: ?-option?");
3378                         return JIM_ERR;
3379                 }
3380                 goi.isconfigure = 0;
3381                 return target_configure( &goi, target );
3382                 break;
3383         case TS_CMD_MWW:
3384         case TS_CMD_MWH:
3385         case TS_CMD_MWB:
3386                 /* argv[0] = cmd
3387                  * argv[1] = address
3388                  * argv[2] = data
3389                  * argv[3] = optional count.
3390                  */
3391
3392                 if( (goi.argc == 3) || (goi.argc == 4) ){
3393                         /* all is well */
3394                 } else {
3395                 mwx_error:
3396                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR DATA [COUNT]", n->name );
3397                         return JIM_ERR;
3398                 }
3399
3400                 e = Jim_GetOpt_Wide( &goi, &a );
3401                 if( e != JIM_OK ){
3402                         goto mwx_error;
3403                 }
3404
3405                 e = Jim_GetOpt_Wide( &goi, &b );
3406                 if( e != JIM_OK ){
3407                         goto mwx_error;
3408                 }
3409                 if( goi.argc ){
3410                         e = Jim_GetOpt_Wide( &goi, &c );
3411                         if( e != JIM_OK ){
3412                                 goto mwx_error;
3413                         }
3414                 } else {
3415                         c = 1;
3416                 }
3417
3418                 switch( n->value ){
3419                 case TS_CMD_MWW:
3420                         target_buffer_set_u32( target, target_buf, b );
3421                         b = 4;
3422                         break;
3423                 case TS_CMD_MWH:
3424                         target_buffer_set_u16( target, target_buf, b );
3425                         b = 2;
3426                         break;
3427                 case TS_CMD_MWB:
3428                         target_buffer_set_u8( target, target_buf, b );
3429                         b = 1;
3430                         break;
3431                 }
3432                 for( x = 0 ; x < c ; x++ ){
3433                         e = target->type->write_memory( target, a, b, 1, target_buf );
3434                         if( e != ERROR_OK ){
3435                                 Jim_SetResult_sprintf( interp, "Error writing @ 0x%08x: %d\n", (int)(a), e );
3436                                 return JIM_ERR;
3437                         }
3438                         /* b = width */
3439                         a = a + b;
3440                 }
3441                 return JIM_OK;
3442                 break;
3443
3444                 /* display */
3445         case TS_CMD_MDW:
3446         case TS_CMD_MDH:
3447         case TS_CMD_MDB:
3448                 /* argv[0] = command
3449                  * argv[1] = address
3450                  * argv[2] = optional count
3451                  */
3452                 if( (goi.argc == 2) || (goi.argc == 3) ){
3453                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR [COUNT]", n->name );
3454                         return JIM_ERR;
3455                 }
3456                 e = Jim_GetOpt_Wide( &goi, &a );
3457                 if( e != JIM_OK ){
3458                         return JIM_ERR;
3459                 }
3460                 if( goi.argc ){
3461                         e = Jim_GetOpt_Wide( &goi, &c );
3462                         if( e != JIM_OK ){
3463                                 return JIM_ERR;
3464                         }
3465                 } else {
3466                         c = 1;
3467                 }
3468                 b = 1; /* shut up gcc */
3469                 switch( n->value ){
3470                 case TS_CMD_MDW:
3471                         b =  4;
3472                         break;
3473                 case TS_CMD_MDH:
3474                         b = 2;
3475                         break;
3476                 case TS_CMD_MDB:
3477                         b = 1;
3478                         break;
3479                 }
3480
3481                 /* convert to "bytes" */
3482                 c = c * b;
3483                 /* count is now in 'BYTES' */
3484                 while( c > 0 ){
3485                         y = c;
3486                         if( y > 16 ){
3487                                 y = 16;
3488                         }
3489                         e = target->type->read_memory( target, a, b, y / b, target_buf );
3490                         if( e != ERROR_OK ){
3491                                 Jim_SetResult_sprintf( interp, "error reading target @ 0x%08lx", (int)(a) );
3492                                 return JIM_ERR;
3493                         }
3494
3495                         Jim_fprintf( interp, interp->cookie_stdout, "0x%08x ", (int)(a) );
3496                         switch( b ){
3497                         case 4:
3498                                 for( x = 0 ; (x < 16) && (x < y) ; x += 4 ){
3499                                         z = target_buffer_get_u32( target, &(target_buf[ x * 4 ]) );
3500                                         Jim_fprintf( interp, interp->cookie_stdout, "%08x ", (int)(z) );
3501                                 }
3502                                 for( ; (x < 16) ; x += 4 ){
3503                                         Jim_fprintf( interp, interp->cookie_stdout, "         " );
3504                                 }
3505                                 break;
3506                         case 2:
3507                                 for( x = 0 ; (x < 16) && (x < y) ; x += 2 ){
3508                                         z = target_buffer_get_u16( target, &(target_buf[ x * 2 ]) );
3509                                         Jim_fprintf( interp, interp->cookie_stdout, "%04x ", (int)(z) );
3510                                 }
3511                                 for( ; (x < 16) ; x += 2 ){
3512                                         Jim_fprintf( interp, interp->cookie_stdout, "     " );
3513                                 }
3514                                 break;
3515                         case 1:
3516                         default:
3517                                 for( x = 0 ; (x < 16) && (x < y) ; x += 1 ){
3518                                         z = target_buffer_get_u8( target, &(target_buf[ x * 4 ]) );
3519                                         Jim_fprintf( interp, interp->cookie_stdout, "%02x ", (int)(z) );
3520                                 }
3521                                 for( ; (x < 16) ; x += 1 ){
3522                                         Jim_fprintf( interp, interp->cookie_stdout, "   " );
3523                                 }
3524                                 break;
3525                         }
3526                         /* ascii-ify the bytes */
3527                         for( x = 0 ; x < y ; x++ ){
3528                                 if( (target_buf[x] >= 0x20) &&
3529                                         (target_buf[x] <= 0x7e) ){
3530                                         /* good */
3531                                 } else {
3532                                         /* smack it */
3533                                         target_buf[x] = '.';
3534                                 }
3535                         }
3536                         /* space pad  */
3537                         while( x < 16 ){
3538                                 target_buf[x] = ' ';
3539                                 x++;
3540                         }
3541                         /* terminate */
3542                         target_buf[16] = 0;
3543                         /* print - with a newline */
3544                         Jim_fprintf( interp, interp->cookie_stdout, "%s\n", target_buf );
3545                         /* NEXT... */
3546                         c -= 16;
3547                         a += 16;
3548                 }
3549                 return JIM_OK;
3550         case TS_CMD_MEM2ARRAY:
3551                 return target_mem2array( goi.interp, target, goi.argc, goi.argv );
3552                 break;
3553         case TS_CMD_ARRAY2MEM:
3554                 return target_array2mem( goi.interp, target, goi.argc, goi.argv );
3555                 break;
3556         case TS_CMD_EXAMINE:
3557                 if( goi.argc ){
3558                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3559                         return JIM_ERR;
3560                 }
3561                 e = target->type->examine( target );
3562                 if( e != ERROR_OK ){
3563                         Jim_SetResult_sprintf( interp, "examine-fails: %d", e );
3564                         return JIM_ERR;
3565                 }
3566                 return JIM_OK;
3567         case TS_CMD_POLL:
3568                 if( goi.argc ){
3569                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3570                         return JIM_ERR;
3571                 }
3572                 if( !(target->type->examined) ){
3573                         e = ERROR_TARGET_NOT_EXAMINED;
3574                 } else {
3575                         e = target->type->poll( target );
3576                 }
3577                 if( e != ERROR_OK ){
3578                         Jim_SetResult_sprintf( interp, "poll-fails: %d", e );
3579                         return JIM_ERR;
3580                 } else {
3581                         return JIM_OK;
3582                 }
3583                 break;
3584         case TS_CMD_RESET:
3585                 if( goi.argc != 2 ){
3586                         Jim_WrongNumArgs( interp, 2, argv, "t|f|assert|deassert BOOL");
3587                         return JIM_ERR;
3588                 }
3589                 e = Jim_GetOpt_Nvp( &goi, nvp_assert, &n );
3590                 if( e != JIM_OK ){
3591                         Jim_GetOpt_NvpUnknown( &goi, nvp_assert, 1 );
3592                         return e;
3593                 }
3594                 // the halt or not param
3595                 e = Jim_GetOpt_Wide( &goi, &a);
3596                 if( e != JIM_OK ){
3597                         return e;
3598                 }
3599                 // determine if we should halt or not.
3600                 target->reset_halt = !!a;
3601                 // When this happens - all workareas are invalid.
3602                 target_free_all_working_areas_restore(target, 0);
3603
3604                 // do the assert
3605                 if( n->value == NVP_ASSERT ){
3606                         target->type->assert_reset( target );
3607                 } else {
3608                         target->type->deassert_reset( target );
3609                 }
3610                 return JIM_OK;
3611         case TS_CMD_HALT:
3612                 if( goi.argc ){
3613                         Jim_WrongNumArgs( goi.interp, 0, argv, "halt [no parameters]");
3614                         return JIM_ERR;
3615                 }
3616                 target->type->halt( target );
3617                 return JIM_OK;
3618         case TS_CMD_WAITSTATE:
3619                 // params:  <name>  statename timeoutmsecs
3620                 if( goi.argc != 2 ){
3621                         Jim_SetResult_sprintf( goi.interp, "%s STATENAME TIMEOUTMSECS", n->name );
3622                         return JIM_ERR;
3623                 }
3624                 e = Jim_GetOpt_Nvp( &goi, nvp_target_state, &n );
3625                 if( e != JIM_OK ){
3626                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_state,1 );
3627                         return e;
3628                 }
3629                 e = Jim_GetOpt_Wide( &goi, &a );
3630                 if( e != JIM_OK ){
3631                         return e;
3632                 }
3633                 e = target_wait_state( target, n->value, a );
3634                 if( e != ERROR_OK ){
3635                         Jim_SetResult_sprintf( goi.interp,
3636                                                                    "target: %s wait %s fails (%d) %s",
3637                                                                    target->cmd_name,
3638                                                                    n->name,
3639                                                e, target_strerror_safe(e) );
3640                         return JIM_ERR;
3641                 } else {
3642                         return JIM_OK;
3643                 }
3644         case TS_CMD_EVENTLIST:
3645                 /* List for human, Events defined for this target.
3646                  * scripts/programs should use 'name cget -event NAME'
3647                  */
3648                 {
3649                         target_event_action_t *teap;
3650                         teap = target->event_action;
3651                         command_print( cmd_ctx, "Event actions for target (%d) %s\n",
3652                                                    target->target_number,
3653                                                    target->cmd_name );
3654                         command_print( cmd_ctx, "%-25s | Body", "Event");
3655                         command_print( cmd_ctx, "------------------------- | ----------------------------------------");
3656                         while( teap ){
3657                                 command_print( cmd_ctx,
3658                                                            "%-25s | %s",
3659                                                            Jim_Nvp_value2name_simple( nvp_target_event, teap->event )->name,
3660                                                            Jim_GetString( teap->body, NULL ) );
3661                                 teap = teap->next;
3662                         }
3663                         command_print( cmd_ctx, "***END***");
3664                         return JIM_OK;
3665                 }
3666         case TS_CMD_CURSTATE:
3667                 if( goi.argc != 0 ){
3668                         Jim_WrongNumArgs( goi.interp, 0, argv, "[no parameters]");
3669                         return JIM_ERR;
3670                 }
3671                 Jim_SetResultString( goi.interp,
3672                                                          Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name,-1);
3673                 return JIM_OK;
3674         case TS_CMD_INVOKE_EVENT:
3675                 if( goi.argc != 1 ){
3676                         Jim_SetResult_sprintf( goi.interp, "%s ?EVENTNAME?",n->name);
3677                         return JIM_ERR;
3678                 }
3679                 e = Jim_GetOpt_Nvp( &goi, nvp_target_event, &n );
3680                 if( e != JIM_OK ){
3681                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_event, 1 );
3682                         return e;
3683                 }
3684                 target_handle_event( target, n->value );
3685                 return JIM_OK;
3686         }
3687         return JIM_ERR;
3688 }
3689
3690
3691 static int
3692 target_create( Jim_GetOptInfo *goi )
3693 {
3694
3695         Jim_Obj *new_cmd;
3696         Jim_Cmd *cmd;
3697         const char *cp;
3698         char *cp2;
3699         int e;
3700         int x;
3701         target_t *target;
3702         struct command_context_s *cmd_ctx;
3703
3704         cmd_ctx = Jim_GetAssocData(goi->interp, "context");
3705         if( goi->argc < 3 ){
3706                 Jim_WrongNumArgs( goi->interp, 1, goi->argv, "?name? ?type? ..options...");
3707                 return JIM_ERR;
3708         }
3709
3710         /* COMMAND */
3711         Jim_GetOpt_Obj( goi, &new_cmd );
3712         /* does this command exist? */
3713         cmd = Jim_GetCommand( goi->interp, new_cmd, JIM_ERRMSG );
3714         if( cmd ){
3715                 cp = Jim_GetString( new_cmd, NULL );
3716                 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
3717                 return JIM_ERR;
3718         }
3719
3720         /* TYPE */
3721         e = Jim_GetOpt_String( goi, &cp2, NULL );
3722         cp = cp2;
3723         /* now does target type exist */
3724         for( x = 0 ; target_types[x] ; x++ ){
3725                 if( 0 == strcmp( cp, target_types[x]->name ) ){
3726                         /* found */
3727                         break;
3728                 }
3729         }
3730         if( target_types[x] == NULL ){
3731                 Jim_SetResult_sprintf( goi->interp, "Unknown target type %s, try one of ", cp );
3732                 for( x = 0 ; target_types[x] ; x++ ){
3733                         if( target_types[x+1] ){
3734                                 Jim_AppendStrings( goi->interp,
3735                                                                    Jim_GetResult(goi->interp),
3736                                                                    target_types[x]->name,
3737                                                                    ", ", NULL);
3738                         } else {
3739                                 Jim_AppendStrings( goi->interp,
3740                                                                    Jim_GetResult(goi->interp),
3741                                                                    " or ",
3742                                                                    target_types[x]->name,NULL );
3743                         }
3744                 }
3745                 return JIM_ERR;
3746         }
3747
3748
3749         /* Create it */
3750         target = calloc(1,sizeof(target_t));
3751         /* set target number */
3752         target->target_number = new_target_number();
3753
3754         /* allocate memory for each unique target type */
3755         target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
3756
3757         memcpy( target->type, target_types[x], sizeof(target_type_t));
3758
3759         /* will be set by "-endian" */
3760         target->endianness = TARGET_ENDIAN_UNKNOWN;
3761
3762         target->working_area        = 0x0;
3763         target->working_area_size   = 0x0;
3764         target->working_areas       = NULL;
3765         target->backup_working_area = 0;
3766
3767         target->state               = TARGET_UNKNOWN;
3768         target->debug_reason        = DBG_REASON_UNDEFINED;
3769         target->reg_cache           = NULL;
3770         target->breakpoints         = NULL;
3771         target->watchpoints         = NULL;
3772         target->next                = NULL;
3773         target->arch_info           = NULL;
3774
3775         /* initialize trace information */
3776         target->trace_info = malloc(sizeof(trace_t));
3777         target->trace_info->num_trace_points         = 0;
3778         target->trace_info->trace_points_size        = 0;
3779         target->trace_info->trace_points             = NULL;
3780         target->trace_info->trace_history_size       = 0;
3781         target->trace_info->trace_history            = NULL;
3782         target->trace_info->trace_history_pos        = 0;
3783         target->trace_info->trace_history_overflowed = 0;
3784
3785         target->dbgmsg          = NULL;
3786         target->dbg_msg_enabled = 0;
3787
3788         target->endianness = TARGET_ENDIAN_UNKNOWN;
3789
3790         /* Do the rest as "configure" options */
3791         goi->isconfigure = 1;
3792         e = target_configure( goi, target);
3793         if( e != JIM_OK ){
3794                 free( target->type );
3795                 free( target );
3796                 return e;
3797         }
3798
3799         if( target->endianness == TARGET_ENDIAN_UNKNOWN ){
3800                 /* default endian to little if not specified */
3801                 target->endianness = TARGET_LITTLE_ENDIAN;
3802         }
3803
3804         /* create the target specific commands */
3805         if( target->type->register_commands ){
3806                 (*(target->type->register_commands))( cmd_ctx );
3807         }
3808         if( target->type->target_create ){
3809                 (*(target->type->target_create))( target, goi->interp );
3810         }
3811
3812         /* append to end of list */
3813         {
3814                 target_t **tpp;
3815                 tpp = &(all_targets);
3816                 while( *tpp ){
3817                         tpp = &( (*tpp)->next );
3818                 }
3819                 *tpp = target;
3820         }
3821
3822         cp = Jim_GetString( new_cmd, NULL );
3823         target->cmd_name = strdup(cp);
3824
3825         /* now - create the new target name command */
3826         e = Jim_CreateCommand( goi->interp,
3827                                                    /* name */
3828                                                    cp,
3829                                                    tcl_target_func, /* C function */
3830                                                    target, /* private data */
3831                                                    NULL ); /* no del proc */
3832
3833         (*(target->type->target_create))( target, goi->interp );
3834         return e;
3835 }
3836
3837 static int
3838 jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3839 {
3840         int x,r,e;
3841         jim_wide w;
3842         struct command_context_s *cmd_ctx;
3843         const char *cp;
3844         target_t *target;
3845         Jim_GetOptInfo goi;
3846         enum tcmd {
3847                 /* TG = target generic */
3848                 TG_CMD_CREATE,
3849                 TG_CMD_TYPES,
3850                 TG_CMD_NAMES,
3851                 TG_CMD_CURRENT,
3852                 TG_CMD_NUMBER,
3853                 TG_CMD_COUNT,
3854         };
3855         const char *target_cmds[] = {
3856                 "create", "types", "names", "current", "number",
3857                 "count",
3858                 NULL // terminate
3859         };
3860
3861         LOG_DEBUG("Target command params:");
3862         LOG_DEBUG(Jim_Debug_ArgvString( interp, argc, argv) );
3863
3864         cmd_ctx = Jim_GetAssocData( interp, "context" );
3865
3866         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3867
3868         if( goi.argc == 0 ){
3869                 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
3870                 return JIM_ERR;
3871         }
3872
3873         /* is this old syntax? */
3874         /* To determine: We have to peek at argv[0]*/
3875         cp = Jim_GetString( goi.argv[0], NULL );
3876         for( x = 0 ; target_types[x] ; x++ ){
3877                 if( 0 == strcmp(cp,target_types[x]->name) ){
3878                         break;
3879                 }
3880         }
3881         if( target_types[x] ){
3882                 /* YES IT IS OLD SYNTAX */
3883                 Jim_Obj *new_argv[10];
3884                 int      new_argc;
3885
3886                 /* target_old_syntax
3887                  *
3888                  * argv[0] typename (above)
3889                  * argv[1] endian
3890                  * argv[2] reset method, deprecated/ignored
3891                  * argv[3] = old param
3892                  * argv[4] = old param
3893                  *
3894                  * We will combine all "old params" into a single param.
3895                  * Then later, split them again.
3896                  */
3897                 if( argc < 4 ){
3898                         Jim_WrongNumArgs( interp, 1, argv, "[OLDSYNTAX] ?TYPE? ?ENDIAN? ?RESET? ?old-params?");
3899                         return JIM_ERR;
3900                 }
3901                 /* the command */
3902                 new_argv[0] = argv[0];
3903                 new_argv[1] = Jim_NewStringObj( interp, "create", -1 );
3904                 {
3905                         char buf[ 30 ];
3906                         sprintf( buf, "target%d", new_target_number() );
3907                         new_argv[2] = Jim_NewStringObj( interp, buf , -1 );
3908                 }
3909                 new_argv[3] = goi.argv[0]; /* typename */
3910                 new_argv[4] = Jim_NewStringObj( interp, "-endian", -1 );
3911                 new_argv[5] = goi.argv[1];
3912                 new_argv[6] = Jim_NewStringObj( interp, "-chain-position", -1 );
3913                 new_argv[7] = goi.argv[2];
3914                 new_argv[8] = Jim_NewStringObj( interp, "-variant", -1 );
3915                 new_argv[9] = goi.argv[3];
3916                 new_argc = 10;
3917                 /*
3918                  * new arg syntax:
3919                  *   argv[0] = command
3920                  *   argv[1] = create
3921                  *   argv[2] = cmdname
3922                  *   argv[3] = typename
3923                  *   argv[4] = **FIRST** "configure" option.
3924                  *
3925                  * Here, we make them:
3926                  *
3927                  *   argv[4] = -endian
3928                  *   argv[5] = little
3929                  *   argv[6] = -position
3930                  *   argv[7] = NUMBER
3931                  *   argv[8] = -variant
3932                  *   argv[9] = "somestring"
3933                  */
3934
3935                 /* don't let these be released */
3936                 for( x = 0 ; x < new_argc ; x++ ){
3937                         Jim_IncrRefCount( new_argv[x]);
3938                 }
3939                 /* call our self */
3940                 LOG_DEBUG("Target OLD SYNTAX - converted to new syntax");
3941
3942                 r = jim_target( goi.interp, new_argc, new_argv );
3943
3944                 /* release? these items */
3945                 for( x = 0 ; x < new_argc ; x++ ){
3946                         Jim_DecrRefCount( interp, new_argv[x] );
3947                 }
3948                 return r;
3949         }
3950
3951         //Jim_GetOpt_Debug( &goi );
3952         r = Jim_GetOpt_Enum( &goi, target_cmds, &x   );
3953         if( r != JIM_OK ){
3954                 return r;
3955         }
3956
3957         switch(x){
3958         default:
3959                 Jim_Panic(goi.interp,"Why am I here?");
3960                 return JIM_ERR;
3961         case TG_CMD_CURRENT:
3962                 if( goi.argc != 0 ){
3963                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters");
3964                         return JIM_ERR;
3965                 }
3966                 Jim_SetResultString( goi.interp, get_current_target( cmd_ctx )->cmd_name, -1 );
3967                 return JIM_OK;
3968         case TG_CMD_TYPES:
3969                 if( goi.argc != 0 ){
3970                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
3971                         return JIM_ERR;
3972                 }
3973                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
3974                 for( x = 0 ; target_types[x] ; x++ ){
3975                         Jim_ListAppendElement( goi.interp,
3976                                                                    Jim_GetResult(goi.interp),
3977                                                                    Jim_NewStringObj( goi.interp, target_types[x]->name, -1 ) );
3978                 }
3979                 return JIM_OK;
3980         case TG_CMD_NAMES:
3981                 if( goi.argc != 0 ){
3982                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
3983                         return JIM_ERR;
3984                 }
3985                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
3986                 target = all_targets;
3987                 while( target ){
3988                         Jim_ListAppendElement( goi.interp,
3989                                                                    Jim_GetResult(goi.interp),
3990                                                                    Jim_NewStringObj( goi.interp, target->cmd_name, -1 ) );
3991                         target = target->next;
3992                 }
3993                 return JIM_OK;
3994         case TG_CMD_CREATE:
3995                 if( goi.argc < 3 ){
3996                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "?name  ... config options ...");
3997                         return JIM_ERR;
3998                 }
3999                 return target_create( &goi );
4000                 break;
4001         case TG_CMD_NUMBER:
4002                 if( goi.argc != 1 ){
4003                         Jim_SetResult_sprintf( goi.interp, "expected: target number ?NUMBER?");
4004                         return JIM_ERR;
4005                 }
4006                 e = Jim_GetOpt_Wide( &goi, &w );
4007                 if( e != JIM_OK ){
4008                         return JIM_ERR;
4009                 }
4010                 {
4011                         target_t *t;
4012                         t = get_target_by_num(w);
4013                         if( t == NULL ){
4014                                 Jim_SetResult_sprintf( goi.interp,"Target: number %d does not exist", (int)(w));
4015                                 return JIM_ERR;
4016                         }
4017                         Jim_SetResultString( goi.interp, t->cmd_name, -1 );
4018                         return JIM_OK;
4019                 }
4020         case TG_CMD_COUNT:
4021                 if( goi.argc != 0 ){
4022                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "<no parameters>");
4023                         return JIM_ERR;
4024                 }
4025                 Jim_SetResult( goi.interp,
4026                                            Jim_NewIntObj( goi.interp, max_target_number()));
4027                 return JIM_OK;
4028         }
4029
4030         return JIM_ERR;
4031 }