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   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
   6  *   oyvind.harboe@zylin.com                                               *
   7  *                                                                         *
   8  *   Copyright (C) 2008, Duane Ellis                                       *
   9  *   openocd@duaneeellis.com                                               *
  10  *                                                                         *
  11  *   Copyright (C) 2008 by Spencer Oliver                                  *
  12  *   spen@spen-soft.co.uk                                                  *
  13  *                                                                         *
  14  *   Copyright (C) 2008 by Rick Altherr                                    *
  15  *   kc8apf@kc8apf.net>                                                    *
  16  *                                                                         *
  17  *   This program is free software; you can redistribute it and/or modify  *
  18  *   it under the terms of the GNU General Public License as published by  *
  19  *   the Free Software Foundation; either version 2 of the License, or     *
  20  *   (at your option) any later version.                                   *
  21  *                                                                         *
  22  *   This program is distributed in the hope that it will be useful,       *
  23  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  24  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  25  *   GNU General Public License for more details.                          *
  26  *                                                                         *
  27  *   You should have received a copy of the GNU General Public License     *
  28  *   along with this program; if not, write to the                         *
  29  *   Free Software Foundation, Inc.,                                       *
  30  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  31  ***************************************************************************/
  32 #ifdef HAVE_CONFIG_H
  33 #include "config.h"
  34 #endif
  35
  36 #include "replacements.h"
  37 #include "target.h"
  38 #include "target_request.h"
  39
  40 #include "log.h"
  41 #include "configuration.h"
  42 #include "binarybuffer.h"
  43 #include "jtag.h"
  44
  45 #include <string.h>
  46 #include <stdlib.h>
  47 #include <inttypes.h>
  48
  49 #include <sys/types.h>
  50 #include <sys/stat.h>
  51 #include <unistd.h>
  52 #include <errno.h>
  53
  54 #include <sys/time.h>
  55 #include <time.h>
  56
  57 #include <time_support.h>
  58
  59 #include <fileio.h>
  60 #include <image.h>
  61
  62 int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
  63
  64
  65 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  66
  67 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  68 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  69 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  70 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  71 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  72 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  73 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  74 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  75 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  76 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  77 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  78 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  79 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  80 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  81 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  82 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  83 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  84 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
  85 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  86 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  87 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  88 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  89
  90 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  91 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  92
  93
  94
  95 /* targets */
  96 extern target_type_t arm7tdmi_target;
  97 extern target_type_t arm720t_target;
  98 extern target_type_t arm9tdmi_target;
  99 extern target_type_t arm920t_target;
 100 extern target_type_t arm966e_target;
 101 extern target_type_t arm926ejs_target;
 102 extern target_type_t feroceon_target;
 103 extern target_type_t xscale_target;
 104 extern target_type_t cortexm3_target;
 105 extern target_type_t arm11_target;
 106 extern target_type_t mips_m4k_target;
 107
 108 target_type_t *target_types[] =
 109 {
 110         &arm7tdmi_target,
 111         &arm9tdmi_target,
 112         &arm920t_target,
 113         &arm720t_target,
 114         &arm966e_target,
 115         &arm926ejs_target,
 116         &feroceon_target,
 117         &xscale_target,
 118         &cortexm3_target,
 119         &arm11_target,
 120         &mips_m4k_target,
 121         NULL,
 122 };
 123
 124 target_t *all_targets = NULL;
 125 target_event_callback_t *target_event_callbacks = NULL;
 126 target_timer_callback_t *target_timer_callbacks = NULL;
 127
 128 const Jim_Nvp nvp_assert[] = {
 129         { .name = "assert", NVP_ASSERT },
 130         { .name = "deassert", NVP_DEASSERT },
 131         { .name = "T", NVP_ASSERT },
 132         { .name = "F", NVP_DEASSERT },
 133         { .name = "t", NVP_ASSERT },
 134         { .name = "f", NVP_DEASSERT },
 135         { .name = NULL, .value = -1 }
 136 };
 137
 138 const Jim_Nvp nvp_error_target[] = {
 139         { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
 140         { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
 141         { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
 142         { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
 143         { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
 144         { .value = ERROR_TARGET_UNALIGNED_ACCESS   , .name = "err-unaligned-access" },
 145         { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
 146         { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
 147         { .value = ERROR_TARGET_TRANSLATION_FAULT  , .name = "err-translation-fault" },
 148         { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
 149         { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
 150         { .value = -1, .name = NULL }
 151 };
 152
 153 const char *target_strerror_safe( int err )
 154 {
 155         const Jim_Nvp *n;
 156
 157         n = Jim_Nvp_value2name_simple( nvp_error_target, err );
 158         if( n->name == NULL ){
 159                 return "unknown";
 160         } else {
 161                 return n->name;
 162         }
 163 }
 164
 165 const Jim_Nvp nvp_target_event[] = {
 166         { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
 167         { .value = TARGET_EVENT_OLD_pre_resume         , .name = "old-pre_resume" },
 168
 169
 170         { .value = TARGET_EVENT_EARLY_HALTED, .name = "early-halted" },
 171         { .value = TARGET_EVENT_HALTED, .name = "halted" },
 172         { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
 173         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 174         { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
 175
 176
 177         { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
 178         { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
 179
 180
 181         /* historical name */
 182
 183         { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
 184
 185         { .value = TARGET_EVENT_RESET_ASSERT_PRE,    .name = "reset-assert-pre" },
 186         { .value = TARGET_EVENT_RESET_ASSERT_POST,   .name = "reset-assert-post" },
 187         { .value = TARGET_EVENT_RESET_DEASSERT_PRE,  .name = "reset-deassert-pre" },
 188         { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
 189         { .value = TARGET_EVENT_RESET_HALT_PRE,      .name = "reset-halt-pre" },
 190         { .value = TARGET_EVENT_RESET_HALT_POST,     .name = "reset-halt-post" },
 191         { .value = TARGET_EVENT_RESET_WAIT_PRE,      .name = "reset-wait-pre" },
 192         { .value = TARGET_EVENT_RESET_WAIT_POST,     .name = "reset-wait-post" },
 193         { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
 194         { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
 195
 196
 197
 198
 199
 200         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
 201         { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
 202
 203
 204         { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
 205         { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
 206
 207         { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
 208         { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
 209
 210
 211         { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
 212         { .value = TARGET_EVENT_GDB_FLASH_WRITE_END  , .name = "gdb-flash-write-end"   },
 213
 214         { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
 215         { .value = TARGET_EVENT_GDB_FLASH_ERASE_END  , .name = "gdb-flash-erase-end" },
 216
 217         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 218         { .value = TARGET_EVENT_RESUMED     , .name = "resume-ok" },
 219         { .value = TARGET_EVENT_RESUME_END  , .name = "resume-end" },
 220
 221         { .name = NULL, .value = -1 }
 222 };
 223
 224 const Jim_Nvp nvp_target_state[] = {
 225         { .name = "unknown", .value = TARGET_UNKNOWN },
 226         { .name = "running", .value = TARGET_RUNNING },
 227         { .name = "halted",  .value = TARGET_HALTED },
 228         { .name = "reset",   .value = TARGET_RESET },
 229         { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
 230         { .name = NULL, .value = -1 },
 231 };
 232
 233
 234 const Jim_Nvp nvp_target_debug_reason [] = {
 235         { .name = "debug-request"            , .value = DBG_REASON_DBGRQ },
 236         { .name = "breakpoint"               , .value = DBG_REASON_BREAKPOINT },
 237         { .name = "watchpoint"               , .value = DBG_REASON_WATCHPOINT },
 238         { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
 239         { .name = "single-step"              , .value = DBG_REASON_SINGLESTEP },
 240         { .name = "target-not-halted"        , .value = DBG_REASON_NOTHALTED  },
 241         { .name = "undefined"                , .value = DBG_REASON_UNDEFINED },
 242         { .name = NULL, .value = -1 },
 243 };
 244
 245
 246 const Jim_Nvp nvp_target_endian[] = {
 247         { .name = "big",    .value = TARGET_BIG_ENDIAN },
 248         { .name = "little", .value = TARGET_LITTLE_ENDIAN },
 249         { .name = "be",     .value = TARGET_BIG_ENDIAN },
 250         { .name = "le",     .value = TARGET_LITTLE_ENDIAN },
 251         { .name = NULL,     .value = -1 },
 252 };
 253
 254 const Jim_Nvp nvp_reset_modes[] = {
 255         { .name = "unknown", .value = RESET_UNKNOWN },
 256         { .name = "run"    , .value = RESET_RUN },
 257         { .name = "halt"   , .value = RESET_HALT },
 258         { .name = "init"   , .value = RESET_INIT },
 259         { .name = NULL     , .value = -1 },
 260 };
 261
 262 static int
 263 max_target_number( void )
 264 {
 265         target_t *t;
 266         int x;
 267
 268         x = -1;
 269         t = all_targets;
 270         while( t ){
 271                 if( x < t->target_number ){
 272                         x = (t->target_number)+1;
 273                 }
 274                 t = t->next;
 275         }
 276         return x;
 277 }
 278
 279 /* determine the number of the new target */
 280 static int
 281 new_target_number( void )
 282 {
 283         target_t *t;
 284         int x;
 285
 286         /* number is 0 based */
 287         x = -1;
 288         t = all_targets;
 289         while(t){
 290                 if( x < t->target_number ){
 291                         x = t->target_number;
 292                 }
 293                 t = t->next;
 294         }
 295         return x+1;
 296 }
 297
 298 static int target_continous_poll = 1;
 299
 300 /* read a u32 from a buffer in target memory endianness */
 301 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
 302 {
 303         if (target->endianness == TARGET_LITTLE_ENDIAN)
 304                 return le_to_h_u32(buffer);
 305         else
 306                 return be_to_h_u32(buffer);
 307 }
 308
 309 /* read a u16 from a buffer in target memory endianness */
 310 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
 311 {
 312         if (target->endianness == TARGET_LITTLE_ENDIAN)
 313                 return le_to_h_u16(buffer);
 314         else
 315                 return be_to_h_u16(buffer);
 316 }
 317
 318 /* read a u8 from a buffer in target memory endianness */
 319 u8 target_buffer_get_u8(target_t *target, u8 *buffer)
 320 {
 321         return *buffer & 0x0ff;
 322 }
 323
 324 /* write a u32 to a buffer in target memory endianness */
 325 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
 326 {
 327         if (target->endianness == TARGET_LITTLE_ENDIAN)
 328                 h_u32_to_le(buffer, value);
 329         else
 330                 h_u32_to_be(buffer, value);
 331 }
 332
 333 /* write a u16 to a buffer in target memory endianness */
 334 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
 335 {
 336         if (target->endianness == TARGET_LITTLE_ENDIAN)
 337                 h_u16_to_le(buffer, value);
 338         else
 339                 h_u16_to_be(buffer, value);
 340 }
 341
 342 /* write a u8 to a buffer in target memory endianness */
 343 void target_buffer_set_u8(target_t *target, u8 *buffer, u8 value)
 344 {
 345         *buffer = value;
 346 }
 347
 348 /* returns a pointer to the n-th configured target */
 349 target_t* get_target_by_num(int num)
 350 {
 351         target_t *target = all_targets;
 352
 353         while (target){
 354                 if( target->target_number == num ){
 355                         return target;
 356                 }
 357                 target = target->next;
 358         }
 359
 360         return NULL;
 361 }
 362
 363 int get_num_by_target(target_t *query_target)
 364 {
 365         return query_target->target_number;
 366 }
 367
 368 target_t* get_current_target(command_context_t *cmd_ctx)
 369 {
 370         target_t *target = get_target_by_num(cmd_ctx->current_target);
 371
 372         if (target == NULL)
 373         {
 374                 LOG_ERROR("BUG: current_target out of bounds");
 375                 exit(-1);
 376         }
 377
 378         return target;
 379 }
 380
 381
 382 int target_poll(struct target_s *target)
 383 {
 384         /* We can't poll until after examine */
 385         if (!target->type->examined)
 386         {
 387                 /* Fail silently lest we pollute the log */
 388                 return ERROR_FAIL;
 389         }
 390         return target->type->poll(target);
 391 }
 392
 393 int target_halt(struct target_s *target)
 394 {
 395         /* We can't poll until after examine */
 396         if (!target->type->examined)
 397         {
 398                 LOG_ERROR("Target not examined yet");
 399                 return ERROR_FAIL;
 400         }
 401         return target->type->halt(target);
 402 }
 403
 404 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
 405 {
 406         int retval;
 407
 408         /* We can't poll until after examine */
 409         if (!target->type->examined)
 410         {
 411                 LOG_ERROR("Target not examined yet");
 412                 return ERROR_FAIL;
 413         }
 414
 415         /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
 416          * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
 417          * the application.
 418          */
 419         if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
 420                 return retval;
 421
 422         return retval;
 423 }
 424
 425
 426 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
 427 {
 428         char buf[100];
 429         int retval;
 430         Jim_Nvp *n;
 431         n = Jim_Nvp_value2name_simple( nvp_reset_modes, reset_mode );
 432         if( n->name == NULL ){
 433                 LOG_ERROR("invalid reset mode");
 434                 return ERROR_FAIL;
 435         }
 436
 437         sprintf( buf, "ocd_process_reset %s", n->name );
 438         retval = Jim_Eval( interp, buf );
 439
 440         if(retval != JIM_OK) {
 441                 Jim_PrintErrorMessage(interp);
 442                 return ERROR_FAIL;
 443         }
 444
 445         /* We want any events to be processed before the prompt */
 446         retval = target_call_timer_callbacks_now();
 447
 448         return retval;
 449 }
 450
 451
 452 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
 453 {
 454         *physical = virtual;
 455         return ERROR_OK;
 456 }
 457
 458 static int default_mmu(struct target_s *target, int *enabled)
 459 {
 460         *enabled = 0;
 461         return ERROR_OK;
 462 }
 463
 464 static int default_examine(struct target_s *target)
 465 {
 466         target->type->examined = 1;
 467         return ERROR_OK;
 468 }
 469
 470
 471 /* Targets that correctly implement init+examine, i.e.
 472  * no communication with target during init:
 473  *
 474  * XScale
 475  */
 476 int target_examine(void)
 477 {
 478         int retval = ERROR_OK;
 479         target_t *target = all_targets;
 480         while (target)
 481         {
 482                 if ((retval = target->type->examine(target))!=ERROR_OK)
 483                         return retval;
 484                 target = target->next;
 485         }
 486         return retval;
 487 }
 488
 489 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 490 {
 491         if (!target->type->examined)
 492         {
 493                 LOG_ERROR("Target not examined yet");
 494                 return ERROR_FAIL;
 495         }
 496         return target->type->write_memory_imp(target, address, size, count, buffer);
 497 }
 498
 499 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 500 {
 501         if (!target->type->examined)
 502         {
 503                 LOG_ERROR("Target not examined yet");
 504                 return ERROR_FAIL;
 505         }
 506         return target->type->read_memory_imp(target, address, size, count, buffer);
 507 }
 508
 509 static int target_soft_reset_halt_imp(struct target_s *target)
 510 {
 511         if (!target->type->examined)
 512         {
 513                 LOG_ERROR("Target not examined yet");
 514                 return ERROR_FAIL;
 515         }
 516         return target->type->soft_reset_halt_imp(target);
 517 }
 518
 519 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)
 520 {
 521         if (!target->type->examined)
 522         {
 523                 LOG_ERROR("Target not examined yet");
 524                 return ERROR_FAIL;
 525         }
 526         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);
 527 }
 528
 529 int target_init(struct command_context_s *cmd_ctx)
 530 {
 531         target_t *target = all_targets;
 532         int retval;
 533
 534         while (target)
 535         {
 536                 target->type->examined = 0;
 537                 if (target->type->examine == NULL)
 538                 {
 539                         target->type->examine = default_examine;
 540                 }
 541
 542                 if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
 543                 {
 544                         LOG_ERROR("target '%s' init failed", target->type->name);
 545                         return retval;
 546                 }
 547
 548                 /* Set up default functions if none are provided by target */
 549                 if (target->type->virt2phys == NULL)
 550                 {
 551                         target->type->virt2phys = default_virt2phys;
 552                 }
 553                 target->type->virt2phys = default_virt2phys;
 554                 /* a non-invasive way(in terms of patches) to add some code that
 555                  * runs before the type->write/read_memory implementation
 556                  */
 557                 target->type->write_memory_imp = target->type->write_memory;
 558                 target->type->write_memory = target_write_memory_imp;
 559                 target->type->read_memory_imp = target->type->read_memory;
 560                 target->type->read_memory = target_read_memory_imp;
 561                 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
 562                 target->type->soft_reset_halt = target_soft_reset_halt_imp;
 563                 target->type->run_algorithm_imp = target->type->run_algorithm;
 564                 target->type->run_algorithm = target_run_algorithm_imp;
 565
 566
 567                 if (target->type->mmu == NULL)
 568                 {
 569                         target->type->mmu = default_mmu;
 570                 }
 571                 target = target->next;
 572         }
 573
 574         if (all_targets)
 575         {
 576                 if((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
 577                         return retval;
 578                 if((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
 579                         return retval;
 580         }
 581
 582         return ERROR_OK;
 583 }
 584
 585 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 586 {
 587         target_event_callback_t **callbacks_p = &target_event_callbacks;
 588
 589         if (callback == NULL)
 590         {
 591                 return ERROR_INVALID_ARGUMENTS;
 592         }
 593
 594         if (*callbacks_p)
 595         {
 596                 while ((*callbacks_p)->next)
 597                         callbacks_p = &((*callbacks_p)->next);
 598                 callbacks_p = &((*callbacks_p)->next);
 599         }
 600
 601         (*callbacks_p) = malloc(sizeof(target_event_callback_t));
 602         (*callbacks_p)->callback = callback;
 603         (*callbacks_p)->priv = priv;
 604         (*callbacks_p)->next = NULL;
 605
 606         return ERROR_OK;
 607 }
 608
 609 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
 610 {
 611         target_timer_callback_t **callbacks_p = &target_timer_callbacks;
 612         struct timeval now;
 613
 614         if (callback == NULL)
 615         {
 616                 return ERROR_INVALID_ARGUMENTS;
 617         }
 618
 619         if (*callbacks_p)
 620         {
 621                 while ((*callbacks_p)->next)
 622                         callbacks_p = &((*callbacks_p)->next);
 623                 callbacks_p = &((*callbacks_p)->next);
 624         }
 625
 626         (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
 627         (*callbacks_p)->callback = callback;
 628         (*callbacks_p)->periodic = periodic;
 629         (*callbacks_p)->time_ms = time_ms;
 630
 631         gettimeofday(&now, NULL);
 632         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 633         time_ms -= (time_ms % 1000);
 634         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
 635         if ((*callbacks_p)->when.tv_usec > 1000000)
 636         {
 637                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
 638                 (*callbacks_p)->when.tv_sec += 1;
 639         }
 640
 641         (*callbacks_p)->priv = priv;
 642         (*callbacks_p)->next = NULL;
 643
 644         return ERROR_OK;
 645 }
 646
 647 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 648 {
 649         target_event_callback_t **p = &target_event_callbacks;
 650         target_event_callback_t *c = target_event_callbacks;
 651
 652         if (callback == NULL)
 653         {
 654                 return ERROR_INVALID_ARGUMENTS;
 655         }
 656
 657         while (c)
 658         {
 659                 target_event_callback_t *next = c->next;
 660                 if ((c->callback == callback) && (c->priv == priv))
 661                 {
 662                         *p = next;
 663                         free(c);
 664                         return ERROR_OK;
 665                 }
 666                 else
 667                         p = &(c->next);
 668                 c = next;
 669         }
 670
 671         return ERROR_OK;
 672 }
 673
 674 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
 675 {
 676         target_timer_callback_t **p = &target_timer_callbacks;
 677         target_timer_callback_t *c = target_timer_callbacks;
 678
 679         if (callback == NULL)
 680         {
 681                 return ERROR_INVALID_ARGUMENTS;
 682         }
 683
 684         while (c)
 685         {
 686                 target_timer_callback_t *next = c->next;
 687                 if ((c->callback == callback) && (c->priv == priv))
 688                 {
 689                         *p = next;
 690                         free(c);
 691                         return ERROR_OK;
 692                 }
 693                 else
 694                         p = &(c->next);
 695                 c = next;
 696         }
 697
 698         return ERROR_OK;
 699 }
 700
 701 int target_call_event_callbacks(target_t *target, enum target_event event)
 702 {
 703         target_event_callback_t *callback = target_event_callbacks;
 704         target_event_callback_t *next_callback;
 705
 706         if (event == TARGET_EVENT_HALTED)
 707         {
 708                 /* execute early halted first */
 709                 target_call_event_callbacks(target, TARGET_EVENT_EARLY_HALTED);
 710         }
 711
 712
 713         LOG_DEBUG("target event %i (%s)",
 714                           event,
 715                           Jim_Nvp_value2name_simple( nvp_target_event, event )->name );
 716
 717         target_handle_event( target, event );
 718
 719         while (callback)
 720         {
 721                 next_callback = callback->next;
 722                 callback->callback(target, event, callback->priv);
 723                 callback = next_callback;
 724         }
 725
 726         return ERROR_OK;
 727 }
 728
 729 static int target_call_timer_callbacks_check_time(int checktime)
 730 {
 731         target_timer_callback_t *callback = target_timer_callbacks;
 732         target_timer_callback_t *next_callback;
 733         struct timeval now;
 734
 735         keep_alive();
 736
 737         gettimeofday(&now, NULL);
 738
 739         while (callback)
 740         {
 741                 next_callback = callback->next;
 742
 743                 if ((!checktime&&callback->periodic)||
 744                                 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
 745                                                 || (now.tv_sec > callback->when.tv_sec)))
 746                 {
 747                         if(callback->callback != NULL)
 748                         {
 749                                 callback->callback(callback->priv);
 750                                 if (callback->periodic)
 751                                 {
 752                                         int time_ms = callback->time_ms;
 753                                         callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 754                                         time_ms -= (time_ms % 1000);
 755                                         callback->when.tv_sec = now.tv_sec + time_ms / 1000;
 756                                         if (callback->when.tv_usec > 1000000)
 757                                         {
 758                                                 callback->when.tv_usec = callback->when.tv_usec - 1000000;
 759                                                 callback->when.tv_sec += 1;
 760                                         }
 761                                 }
 762                                 else
 763                                 {
 764                                         int retval;
 765                                         if((retval = target_unregister_timer_callback(callback->callback, callback->priv)) != ERROR_OK)
 766                                                 return retval;
 767                                 }
 768                         }
 769                 }
 770
 771                 callback = next_callback;
 772         }
 773
 774         return ERROR_OK;
 775 }
 776
 777 int target_call_timer_callbacks(void)
 778 {
 779         return target_call_timer_callbacks_check_time(1);
 780 }
 781
 782 /* invoke periodic callbacks immediately */
 783 int target_call_timer_callbacks_now(void)
 784 {
 785         return target_call_timer_callbacks_check_time(0);
 786 }
 787
 788 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
 789 {
 790         working_area_t *c = target->working_areas;
 791         working_area_t *new_wa = NULL;
 792
 793         /* Reevaluate working area address based on MMU state*/
 794         if (target->working_areas == NULL)
 795         {
 796                 int retval;
 797                 int enabled;
 798                 retval = target->type->mmu(target, &enabled);
 799                 if (retval != ERROR_OK)
 800                 {
 801                         return retval;
 802                 }
 803                 if (enabled)
 804                 {
 805                         target->working_area = target->working_area_virt;
 806                 }
 807                 else
 808                 {
 809                         target->working_area = target->working_area_phys;
 810                 }
 811         }
 812
 813         /* only allocate multiples of 4 byte */
 814         if (size % 4)
 815         {
 816                 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
 817                 size = CEIL(size, 4);
 818         }
 819
 820         /* see if there's already a matching working area */
 821         while (c)
 822         {
 823                 if ((c->free) && (c->size == size))
 824                 {
 825                         new_wa = c;
 826                         break;
 827                 }
 828                 c = c->next;
 829         }
 830
 831         /* if not, allocate a new one */
 832         if (!new_wa)
 833         {
 834                 working_area_t **p = &target->working_areas;
 835                 u32 first_free = target->working_area;
 836                 u32 free_size = target->working_area_size;
 837
 838                 LOG_DEBUG("allocating new working area");
 839
 840                 c = target->working_areas;
 841                 while (c)
 842                 {
 843                         first_free += c->size;
 844                         free_size -= c->size;
 845                         p = &c->next;
 846                         c = c->next;
 847                 }
 848
 849                 if (free_size < size)
 850                 {
 851                         LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
 852                         return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
 853                 }
 854
 855                 new_wa = malloc(sizeof(working_area_t));
 856                 new_wa->next = NULL;
 857                 new_wa->size = size;
 858                 new_wa->address = first_free;
 859
 860                 if (target->backup_working_area)
 861                 {
 862                         int retval;
 863                         new_wa->backup = malloc(new_wa->size);
 864                         if((retval = target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
 865                         {
 866                                 free(new_wa->backup);
 867                                 free(new_wa);
 868                                 return retval;
 869                         }
 870                 }
 871                 else
 872                 {
 873                         new_wa->backup = NULL;
 874                 }
 875
 876                 /* put new entry in list */
 877                 *p = new_wa;
 878         }
 879
 880         /* mark as used, and return the new (reused) area */
 881         new_wa->free = 0;
 882         *area = new_wa;
 883
 884         /* user pointer */
 885         new_wa->user = area;
 886
 887         return ERROR_OK;
 888 }
 889
 890 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
 891 {
 892         if (area->free)
 893                 return ERROR_OK;
 894
 895         if (restore&&target->backup_working_area)
 896         {
 897                 int retval;
 898                 if((retval = target->type->write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
 899                         return retval;
 900         }
 901
 902         area->free = 1;
 903
 904         /* mark user pointer invalid */
 905         *area->user = NULL;
 906         area->user = NULL;
 907
 908         return ERROR_OK;
 909 }
 910
 911 int target_free_working_area(struct target_s *target, working_area_t *area)
 912 {
 913         return target_free_working_area_restore(target, area, 1);
 914 }
 915
 916 /* free resources and restore memory, if restoring memory fails,
 917  * free up resources anyway
 918  */
 919 void target_free_all_working_areas_restore(struct target_s *target, int restore)
 920 {
 921         working_area_t *c = target->working_areas;
 922
 923         while (c)
 924         {
 925                 working_area_t *next = c->next;
 926                 target_free_working_area_restore(target, c, restore);
 927
 928                 if (c->backup)
 929                         free(c->backup);
 930
 931                 free(c);
 932
 933                 c = next;
 934         }
 935
 936         target->working_areas = NULL;
 937 }
 938
 939 void target_free_all_working_areas(struct target_s *target)
 940 {
 941         target_free_all_working_areas_restore(target, 1);
 942 }
 943
 944 int target_register_commands(struct command_context_s *cmd_ctx)
 945 {
 946
 947         register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, "change the current command line target (one parameter) or lists targets (with no parameter)");
 948         register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "translate a virtual address into a physical address");
 949         register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "profiling samples the CPU PC");
 950
 951         register_jim(cmd_ctx, "target", jim_target, "configure target" );
 952
 953
 954         /* script procedures */
 955         register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array, "read memory and return as a TCL array for script processing");
 956         register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem, "convert a TCL array to memory locations and write the values");
 957         return ERROR_OK;
 958 }
 959
 960 int target_arch_state(struct target_s *target)
 961 {
 962         int retval;
 963         if (target==NULL)
 964         {
 965                 LOG_USER("No target has been configured");
 966                 return ERROR_OK;
 967         }
 968
 969         LOG_USER("target state: %s",
 970                  Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name);
 971
 972         if (target->state!=TARGET_HALTED)
 973                 return ERROR_OK;
 974
 975         retval=target->type->arch_state(target);
 976         return retval;
 977 }
 978
 979 /* Single aligned words are guaranteed to use 16 or 32 bit access
 980  * mode respectively, otherwise data is handled as quickly as
 981  * possible
 982  */
 983 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
 984 {
 985         int retval;
 986         LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
 987
 988         if (!target->type->examined)
 989         {
 990                 LOG_ERROR("Target not examined yet");
 991                 return ERROR_FAIL;
 992         }
 993
 994         if ((address + size - 1) < address)
 995         {
 996                 /* GDB can request this when e.g. PC is 0xfffffffc*/
 997                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
 998                 return ERROR_FAIL;
 999         }
1000
1001         if (((address % 2) == 0) && (size == 2))
1002         {
1003                 return target->type->write_memory(target, address, 2, 1, buffer);
1004         }
1005
1006         /* handle unaligned head bytes */
1007         if (address % 4)
1008         {
1009                 int unaligned = 4 - (address % 4);
1010
1011                 if (unaligned > size)
1012                         unaligned = size;
1013
1014                 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1015                         return retval;
1016
1017                 buffer += unaligned;
1018                 address += unaligned;
1019                 size -= unaligned;
1020         }
1021
1022         /* handle aligned words */
1023         if (size >= 4)
1024         {
1025                 int aligned = size - (size % 4);
1026
1027                 /* use bulk writes above a certain limit. This may have to be changed */
1028                 if (aligned > 128)
1029                 {
1030                         if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1031                                 return retval;
1032                 }
1033                 else
1034                 {
1035                         if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1036                                 return retval;
1037                 }
1038
1039                 buffer += aligned;
1040                 address += aligned;
1041                 size -= aligned;
1042         }
1043
1044         /* handle tail writes of less than 4 bytes */
1045         if (size > 0)
1046         {
1047                 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1048                         return retval;
1049         }
1050
1051         return ERROR_OK;
1052 }
1053
1054
1055 /* Single aligned words are guaranteed to use 16 or 32 bit access
1056  * mode respectively, otherwise data is handled as quickly as
1057  * possible
1058  */
1059 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1060 {
1061         int retval;
1062         LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1063
1064         if (!target->type->examined)
1065         {
1066                 LOG_ERROR("Target not examined yet");
1067                 return ERROR_FAIL;
1068         }
1069
1070         if ((address + size - 1) < address)
1071         {
1072                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1073                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1074                 return ERROR_FAIL;
1075         }
1076
1077         if (((address % 2) == 0) && (size == 2))
1078         {
1079                 return target->type->read_memory(target, address, 2, 1, buffer);
1080         }
1081
1082         /* handle unaligned head bytes */
1083         if (address % 4)
1084         {
1085                 int unaligned = 4 - (address % 4);
1086
1087                 if (unaligned > size)
1088                         unaligned = size;
1089
1090                 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1091                         return retval;
1092
1093                 buffer += unaligned;
1094                 address += unaligned;
1095                 size -= unaligned;
1096         }
1097
1098         /* handle aligned words */
1099         if (size >= 4)
1100         {
1101                 int aligned = size - (size % 4);
1102
1103                 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1104                         return retval;
1105
1106                 buffer += aligned;
1107                 address += aligned;
1108                 size -= aligned;
1109         }
1110
1111         /* handle tail writes of less than 4 bytes */
1112         if (size > 0)
1113         {
1114                 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1115                         return retval;
1116         }
1117
1118         return ERROR_OK;
1119 }
1120
1121 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1122 {
1123         u8 *buffer;
1124         int retval;
1125         int i;
1126         u32 checksum = 0;
1127         if (!target->type->examined)
1128         {
1129                 LOG_ERROR("Target not examined yet");
1130                 return ERROR_FAIL;
1131         }
1132
1133         if ((retval = target->type->checksum_memory(target, address,
1134                 size, &checksum)) != ERROR_OK)
1135         {
1136                 buffer = malloc(size);
1137                 if (buffer == NULL)
1138                 {
1139                         LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1140                         return ERROR_INVALID_ARGUMENTS;
1141                 }
1142                 retval = target_read_buffer(target, address, size, buffer);
1143                 if (retval != ERROR_OK)
1144                 {
1145                         free(buffer);
1146                         return retval;
1147                 }
1148
1149                 /* convert to target endianess */
1150                 for (i = 0; i < (size/sizeof(u32)); i++)
1151                 {
1152                         u32 target_data;
1153                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1154                         target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1155                 }
1156
1157                 retval = image_calculate_checksum( buffer, size, &checksum );
1158                 free(buffer);
1159         }
1160
1161         *crc = checksum;
1162
1163         return retval;
1164 }
1165
1166 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1167 {
1168         int retval;
1169         if (!target->type->examined)
1170         {
1171                 LOG_ERROR("Target not examined yet");
1172                 return ERROR_FAIL;
1173         }
1174
1175         if (target->type->blank_check_memory == 0)
1176                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1177
1178         retval = target->type->blank_check_memory(target, address, size, blank);
1179
1180         return retval;
1181 }
1182
1183 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1184 {
1185         u8 value_buf[4];
1186         if (!target->type->examined)
1187         {
1188                 LOG_ERROR("Target not examined yet");
1189                 return ERROR_FAIL;
1190         }
1191
1192         int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1193
1194         if (retval == ERROR_OK)
1195         {
1196                 *value = target_buffer_get_u32(target, value_buf);
1197                 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1198         }
1199         else
1200         {
1201                 *value = 0x0;
1202                 LOG_DEBUG("address: 0x%8.8x failed", address);
1203         }
1204
1205         return retval;
1206 }
1207
1208 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1209 {
1210         u8 value_buf[2];
1211         if (!target->type->examined)
1212         {
1213                 LOG_ERROR("Target not examined yet");
1214                 return ERROR_FAIL;
1215         }
1216
1217         int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1218
1219         if (retval == ERROR_OK)
1220         {
1221                 *value = target_buffer_get_u16(target, value_buf);
1222                 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1223         }
1224         else
1225         {
1226                 *value = 0x0;
1227                 LOG_DEBUG("address: 0x%8.8x failed", address);
1228         }
1229
1230         return retval;
1231 }
1232
1233 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1234 {
1235         int retval = target->type->read_memory(target, address, 1, 1, value);
1236         if (!target->type->examined)
1237         {
1238                 LOG_ERROR("Target not examined yet");
1239                 return ERROR_FAIL;
1240         }
1241
1242         if (retval == ERROR_OK)
1243         {
1244                 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1245         }
1246         else
1247         {
1248                 *value = 0x0;
1249                 LOG_DEBUG("address: 0x%8.8x failed", address);
1250         }
1251
1252         return retval;
1253 }
1254
1255 int target_write_u32(struct target_s *target, u32 address, u32 value)
1256 {
1257         int retval;
1258         u8 value_buf[4];
1259         if (!target->type->examined)
1260         {
1261                 LOG_ERROR("Target not examined yet");
1262                 return ERROR_FAIL;
1263         }
1264
1265         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1266
1267         target_buffer_set_u32(target, value_buf, value);
1268         if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1269         {
1270                 LOG_DEBUG("failed: %i", retval);
1271         }
1272
1273         return retval;
1274 }
1275
1276 int target_write_u16(struct target_s *target, u32 address, u16 value)
1277 {
1278         int retval;
1279         u8 value_buf[2];
1280         if (!target->type->examined)
1281         {
1282                 LOG_ERROR("Target not examined yet");
1283                 return ERROR_FAIL;
1284         }
1285
1286         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1287
1288         target_buffer_set_u16(target, value_buf, value);
1289         if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1290         {
1291                 LOG_DEBUG("failed: %i", retval);
1292         }
1293
1294         return retval;
1295 }
1296
1297 int target_write_u8(struct target_s *target, u32 address, u8 value)
1298 {
1299         int retval;
1300         if (!target->type->examined)
1301         {
1302                 LOG_ERROR("Target not examined yet");
1303                 return ERROR_FAIL;
1304         }
1305
1306         LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1307
1308         if ((retval = target->type->write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1309         {
1310                 LOG_DEBUG("failed: %i", retval);
1311         }
1312
1313         return retval;
1314 }
1315
1316 int target_register_user_commands(struct command_context_s *cmd_ctx)
1317 {
1318         int retval = ERROR_OK;
1319         register_command(cmd_ctx,  NULL, "reg", handle_reg_command, COMMAND_EXEC, "display or set a register");
1320         register_command(cmd_ctx,  NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1321         register_command(cmd_ctx,  NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1322         register_command(cmd_ctx,  NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1323         register_command(cmd_ctx,  NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1324         register_command(cmd_ctx,  NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1325         register_command(cmd_ctx,  NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init] - default is run");
1326         register_command(cmd_ctx,  NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1327
1328         register_command(cmd_ctx,  NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1329         register_command(cmd_ctx,  NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1330         register_command(cmd_ctx,  NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1331
1332         register_command(cmd_ctx,  NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1333         register_command(cmd_ctx,  NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1334         register_command(cmd_ctx,  NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1335
1336         register_command(cmd_ctx,  NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1337         register_command(cmd_ctx,  NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1338         register_command(cmd_ctx,  NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1339         register_command(cmd_ctx,  NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1340
1341         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]");
1342         register_command(cmd_ctx,  NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1343         register_command(cmd_ctx,  NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1344
1345         if((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
1346                 return retval;
1347         if((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
1348                 return retval;
1349
1350
1351         return retval;
1352 }
1353
1354 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1355 {
1356         char *cp;
1357         target_t *target = all_targets;
1358
1359         if (argc == 1)
1360         {
1361                 /* try as tcltarget name */
1362                 for( target = all_targets ; target ; target = target->next ){
1363                   if( target->cmd_name ){
1364                         if( 0 == strcmp( args[0], target->cmd_name ) ){
1365                                 /* MATCH */
1366                                 goto Match;
1367                         }
1368                   }
1369                 }
1370                 /* no match, try as number */
1371
1372                 int num = strtoul(args[0], &cp, 0 );
1373                 if( *cp != 0 ){
1374                         /* then it was not a number */
1375                         command_print( cmd_ctx, "Target: %s unknown, try one of:\n", args[0] );
1376                         goto DumpTargets;
1377                 }
1378
1379                 target = get_target_by_num( num );
1380                 if( target == NULL ){
1381                         command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0] );
1382                         goto DumpTargets;
1383                 }
1384         Match:
1385                 cmd_ctx->current_target = target->target_number;
1386                 return ERROR_OK;
1387         }
1388 DumpTargets:
1389
1390   target = all_targets;
1391         command_print(cmd_ctx, "    CmdName    Type       Endian     AbsChainPos Name          State     ");
1392         command_print(cmd_ctx, "--  ---------- ---------- ---------- ----------- ------------- ----------");
1393         while (target)
1394         {
1395                 /* XX: abcdefghij abcdefghij abcdefghij abcdefghij */
1396                 command_print(cmd_ctx, "%2d: %-10s %-10s %-10s %10d %14s %s",
1397                                           target->target_number,
1398                                           target->cmd_name,
1399                                           target->type->name,
1400                                           Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness )->name,
1401                                           target->tap->abs_chain_position,
1402                                           target->tap->dotted_name,
1403                                           Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
1404                 target = target->next;
1405         }
1406
1407         return ERROR_OK;
1408 }
1409
1410 // every 300ms we check for reset & powerdropout and issue a "reset halt" if
1411 // so.
1412
1413 static int powerDropout;
1414 static int srstAsserted;
1415
1416 static int runPowerRestore;
1417 static int runPowerDropout;
1418 static int runSrstAsserted;
1419 static int runSrstDeasserted;
1420
1421 static int sense_handler(void)
1422 {
1423         static int prevSrstAsserted = 0;
1424         static int prevPowerdropout = 0;
1425
1426         int retval;
1427         if ((retval=jtag_power_dropout(&powerDropout))!=ERROR_OK)
1428                 return retval;
1429
1430         int powerRestored;
1431         powerRestored = prevPowerdropout && !powerDropout;
1432         if (powerRestored)
1433         {
1434                 runPowerRestore = 1;
1435         }
1436
1437         long long current = timeval_ms();
1438         static long long lastPower = 0;
1439         int waitMore = lastPower + 2000 > current;
1440         if (powerDropout && !waitMore)
1441         {
1442                 runPowerDropout = 1;
1443                 lastPower = current;
1444         }
1445
1446         if ((retval=jtag_srst_asserted(&srstAsserted))!=ERROR_OK)
1447                 return retval;
1448
1449         int srstDeasserted;
1450         srstDeasserted = prevSrstAsserted && !srstAsserted;
1451
1452         static long long lastSrst = 0;
1453         waitMore = lastSrst + 2000 > current;
1454         if (srstDeasserted && !waitMore)
1455         {
1456                 runSrstDeasserted = 1;
1457                 lastSrst = current;
1458         }
1459
1460         if (!prevSrstAsserted && srstAsserted)
1461         {
1462                 runSrstAsserted = 1;
1463         }
1464
1465         prevSrstAsserted = srstAsserted;
1466         prevPowerdropout = powerDropout;
1467
1468         if (srstDeasserted || powerRestored)
1469         {
1470                 /* Other than logging the event we can't do anything here.
1471                  * Issuing a reset is a particularly bad idea as we might
1472                  * be inside a reset already.
1473                  */
1474         }
1475
1476         return ERROR_OK;
1477 }
1478
1479
1480 /* process target state changes */
1481 int handle_target(void *priv)
1482 {
1483         int retval = ERROR_OK;
1484
1485         /* we do not want to recurse here... */
1486         static int recursive = 0;
1487         if (! recursive)
1488         {
1489                 recursive = 1;
1490                 sense_handler();
1491                 /* danger! running these procedures can trigger srst assertions and power dropouts.
1492                  * We need to avoid an infinite loop/recursion here and we do that by
1493                  * clearing the flags after running these events.
1494                  */
1495                 int did_something = 0;
1496                 if (runSrstAsserted)
1497                 {
1498                         Jim_Eval( interp, "srst_asserted");
1499                         did_something = 1;
1500                 }
1501                 if (runSrstDeasserted)
1502                 {
1503                         Jim_Eval( interp, "srst_deasserted");
1504                         did_something = 1;
1505                 }
1506                 if (runPowerDropout)
1507                 {
1508                         Jim_Eval( interp, "power_dropout");
1509                         did_something = 1;
1510                 }
1511                 if (runPowerRestore)
1512                 {
1513                         Jim_Eval( interp, "power_restore");
1514                         did_something = 1;
1515                 }
1516
1517                 if (did_something)
1518                 {
1519                         /* clear detect flags */
1520                         sense_handler();
1521                 }
1522
1523                 /* clear action flags */
1524
1525                 runSrstAsserted=0;
1526                 runSrstDeasserted=0;
1527                 runPowerRestore=0;
1528                 runPowerDropout=0;
1529
1530                 recursive = 0;
1531         }
1532
1533         target_t *target = all_targets;
1534
1535         while (target)
1536         {
1537
1538                 /* only poll target if we've got power and srst isn't asserted */
1539                 if (target_continous_poll&&!powerDropout&&!srstAsserted)
1540                 {
1541                         /* polling may fail silently until the target has been examined */
1542                         if((retval = target_poll(target)) != ERROR_OK)
1543                                 return retval;
1544                 }
1545
1546                 target = target->next;
1547         }
1548
1549
1550         return retval;
1551 }
1552
1553 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1554 {
1555         target_t *target;
1556         reg_t *reg = NULL;
1557         int count = 0;
1558         char *value;
1559
1560         LOG_DEBUG("-");
1561
1562         target = get_current_target(cmd_ctx);
1563
1564         /* list all available registers for the current target */
1565         if (argc == 0)
1566         {
1567                 reg_cache_t *cache = target->reg_cache;
1568
1569                 count = 0;
1570                 while(cache)
1571                 {
1572                         int i;
1573                         for (i = 0; i < cache->num_regs; i++)
1574                         {
1575                                 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1576                                 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);
1577                                 free(value);
1578                         }
1579                         cache = cache->next;
1580                 }
1581
1582                 return ERROR_OK;
1583         }
1584
1585         /* access a single register by its ordinal number */
1586         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1587         {
1588                 int num = strtoul(args[0], NULL, 0);
1589                 reg_cache_t *cache = target->reg_cache;
1590
1591                 count = 0;
1592                 while(cache)
1593                 {
1594                         int i;
1595                         for (i = 0; i < cache->num_regs; i++)
1596                         {
1597                                 if (count++ == num)
1598                                 {
1599                                         reg = &cache->reg_list[i];
1600                                         break;
1601                                 }
1602                         }
1603                         if (reg)
1604                                 break;
1605                         cache = cache->next;
1606                 }
1607
1608                 if (!reg)
1609                 {
1610                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1611                         return ERROR_OK;
1612                 }
1613         } else /* access a single register by its name */
1614         {
1615                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1616
1617                 if (!reg)
1618                 {
1619                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1620                         return ERROR_OK;
1621                 }
1622         }
1623
1624         /* display a register */
1625         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1626         {
1627                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1628                         reg->valid = 0;
1629
1630                 if (reg->valid == 0)
1631                 {
1632                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1633                         arch_type->get(reg);
1634                 }
1635                 value = buf_to_str(reg->value, reg->size, 16);
1636                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1637                 free(value);
1638                 return ERROR_OK;
1639         }
1640
1641         /* set register value */
1642         if (argc == 2)
1643         {
1644                 u8 *buf = malloc(CEIL(reg->size, 8));
1645                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1646
1647                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1648                 arch_type->set(reg, buf);
1649
1650                 value = buf_to_str(reg->value, reg->size, 16);
1651                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1652                 free(value);
1653
1654                 free(buf);
1655
1656                 return ERROR_OK;
1657         }
1658
1659         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1660
1661         return ERROR_OK;
1662 }
1663
1664
1665 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1666 {
1667         int retval = ERROR_OK;
1668         target_t *target = get_current_target(cmd_ctx);
1669
1670         if (argc == 0)
1671         {
1672                 if((retval = target_poll(target)) != ERROR_OK)
1673                         return retval;
1674                 if((retval = target_arch_state(target)) != ERROR_OK)
1675                         return retval;
1676
1677         }
1678         else if (argc==1)
1679         {
1680                 if (strcmp(args[0], "on") == 0)
1681                 {
1682                         target_continous_poll = 1;
1683                 }
1684                 else if (strcmp(args[0], "off") == 0)
1685                 {
1686                         target_continous_poll = 0;
1687                 }
1688                 else
1689                 {
1690                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1691                 }
1692         } else
1693         {
1694                 return ERROR_COMMAND_SYNTAX_ERROR;
1695         }
1696
1697
1698         return retval;
1699 }
1700
1701 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1702 {
1703         int ms = 5000;
1704
1705         if (argc > 0)
1706         {
1707                 char *end;
1708
1709                 ms = strtoul(args[0], &end, 0) * 1000;
1710                 if (*end)
1711                 {
1712                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1713                         return ERROR_OK;
1714                 }
1715         }
1716         target_t *target = get_current_target(cmd_ctx);
1717
1718         return target_wait_state(target, TARGET_HALTED, ms);
1719 }
1720
1721 int target_wait_state(target_t *target, enum target_state state, int ms)
1722 {
1723         int retval;
1724         struct timeval timeout, now;
1725         int once=1;
1726         gettimeofday(&timeout, NULL);
1727         timeval_add_time(&timeout, 0, ms * 1000);
1728
1729         for (;;)
1730         {
1731                 if ((retval=target_poll(target))!=ERROR_OK)
1732                         return retval;
1733                 keep_alive();
1734                 if (target->state == state)
1735                 {
1736                         break;
1737                 }
1738                 if (once)
1739                 {
1740                         once=0;
1741                         LOG_DEBUG("waiting for target %s...",
1742                               Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1743                 }
1744
1745                 gettimeofday(&now, NULL);
1746                 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1747                 {
1748                         LOG_ERROR("timed out while waiting for target %s",
1749                               Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1750                         return ERROR_FAIL;
1751                 }
1752         }
1753
1754         return ERROR_OK;
1755 }
1756
1757 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1758 {
1759         int retval;
1760         target_t *target = get_current_target(cmd_ctx);
1761
1762         LOG_DEBUG("-");
1763
1764         if ((retval = target_halt(target)) != ERROR_OK)
1765         {
1766                 return retval;
1767         }
1768
1769         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1770 }
1771
1772 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1773 {
1774         target_t *target = get_current_target(cmd_ctx);
1775
1776         LOG_USER("requesting target halt and executing a soft reset");
1777
1778         target->type->soft_reset_halt(target);
1779
1780         return ERROR_OK;
1781 }
1782
1783 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1784 {
1785         const Jim_Nvp *n;
1786         enum target_reset_mode reset_mode = RESET_RUN;
1787
1788         if (argc >= 1)
1789         {
1790                 n = Jim_Nvp_name2value_simple( nvp_reset_modes, args[0] );
1791                 if( (n->name == NULL) || (n->value == RESET_UNKNOWN) ){
1792                         return ERROR_COMMAND_SYNTAX_ERROR;
1793                 }
1794                 reset_mode = n->value;
1795         }
1796
1797         /* reset *all* targets */
1798         return target_process_reset(cmd_ctx, reset_mode);
1799 }
1800
1801
1802 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1803 {
1804         int retval;
1805         target_t *target = get_current_target(cmd_ctx);
1806
1807         target_handle_event( target, TARGET_EVENT_OLD_pre_resume );
1808
1809         if (argc == 0)
1810                 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1811         else if (argc == 1)
1812                 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1813         else
1814         {
1815                 retval = ERROR_COMMAND_SYNTAX_ERROR;
1816         }
1817
1818         return retval;
1819 }
1820
1821 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1822 {
1823         target_t *target = get_current_target(cmd_ctx);
1824
1825         LOG_DEBUG("-");
1826
1827         if (argc == 0)
1828                 return target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1829
1830         if (argc == 1)
1831                 return target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1832
1833         return ERROR_OK;
1834 }
1835
1836 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1837 {
1838         const int line_bytecnt = 32;
1839         int count = 1;
1840         int size = 4;
1841         u32 address = 0;
1842         int line_modulo;
1843         int i;
1844
1845         char output[128];
1846         int output_len;
1847
1848         int retval;
1849
1850         u8 *buffer;
1851         target_t *target = get_current_target(cmd_ctx);
1852
1853         if (argc < 1)
1854                 return ERROR_OK;
1855
1856         if (argc == 2)
1857                 count = strtoul(args[1], NULL, 0);
1858
1859         address = strtoul(args[0], NULL, 0);
1860
1861
1862         switch (cmd[2])
1863         {
1864                 case 'w':
1865                         size = 4; line_modulo = line_bytecnt / 4;
1866                         break;
1867                 case 'h':
1868                         size = 2; line_modulo = line_bytecnt / 2;
1869                         break;
1870                 case 'b':
1871                         size = 1; line_modulo = line_bytecnt / 1;
1872                         break;
1873                 default:
1874                         return ERROR_OK;
1875         }
1876
1877         buffer = calloc(count, size);
1878         retval  = target->type->read_memory(target, address, size, count, buffer);
1879         if (retval == ERROR_OK)
1880         {
1881                 output_len = 0;
1882
1883                 for (i = 0; i < count; i++)
1884                 {
1885                         if (i%line_modulo == 0)
1886                                 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1887
1888                         switch (size)
1889                         {
1890                                 case 4:
1891                                         output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1892                                         break;
1893                                 case 2:
1894                                         output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1895                                         break;
1896                                 case 1:
1897                                         output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1898                                         break;
1899                         }
1900
1901                         if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1902                         {
1903                                 command_print(cmd_ctx, output);
1904                                 output_len = 0;
1905                         }
1906                 }
1907         }
1908
1909         free(buffer);
1910
1911         return retval;
1912 }
1913
1914 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1915 {
1916         u32 address = 0;
1917         u32 value = 0;
1918         int count = 1;
1919         int i;
1920         int wordsize;
1921         target_t *target = get_current_target(cmd_ctx);
1922         u8 value_buf[4];
1923
1924          if ((argc < 2) || (argc > 3))
1925                 return ERROR_COMMAND_SYNTAX_ERROR;
1926
1927         address = strtoul(args[0], NULL, 0);
1928         value = strtoul(args[1], NULL, 0);
1929         if (argc == 3)
1930                 count = strtoul(args[2], NULL, 0);
1931
1932         switch (cmd[2])
1933         {
1934                 case 'w':
1935                         wordsize = 4;
1936                         target_buffer_set_u32(target, value_buf, value);
1937                         break;
1938                 case 'h':
1939                         wordsize = 2;
1940                         target_buffer_set_u16(target, value_buf, value);
1941                         break;
1942                 case 'b':
1943                         wordsize = 1;
1944                         value_buf[0] = value;
1945                         break;
1946                 default:
1947                         return ERROR_COMMAND_SYNTAX_ERROR;
1948         }
1949         for (i=0; i<count; i++)
1950         {
1951                 int retval;
1952                 switch (wordsize)
1953                 {
1954                         case 4:
1955                                 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
1956                                 break;
1957                         case 2:
1958                                 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
1959                                 break;
1960                         case 1:
1961                                 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
1962                         break;
1963                         default:
1964                         return ERROR_OK;
1965                 }
1966                 keep_alive();
1967
1968                 if (retval!=ERROR_OK)
1969                 {
1970                         return retval;
1971                 }
1972         }
1973
1974         return ERROR_OK;
1975
1976 }
1977
1978 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1979 {
1980         u8 *buffer;
1981         u32 buf_cnt;
1982         u32 image_size;
1983         u32 min_address=0;
1984         u32 max_address=0xffffffff;
1985         int i;
1986         int retval, retvaltemp;
1987
1988         image_t image;
1989
1990         duration_t duration;
1991         char *duration_text;
1992
1993         target_t *target = get_current_target(cmd_ctx);
1994
1995         if ((argc < 1)||(argc > 5))
1996         {
1997                 return ERROR_COMMAND_SYNTAX_ERROR;
1998         }
1999
2000         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2001         if (argc >= 2)
2002         {
2003                 image.base_address_set = 1;
2004                 image.base_address = strtoul(args[1], NULL, 0);
2005         }
2006         else
2007         {
2008                 image.base_address_set = 0;
2009         }
2010
2011
2012         image.start_address_set = 0;
2013
2014         if (argc>=4)
2015         {
2016                 min_address=strtoul(args[3], NULL, 0);
2017         }
2018         if (argc>=5)
2019         {
2020                 max_address=strtoul(args[4], NULL, 0)+min_address;
2021         }
2022
2023         if (min_address>max_address)
2024         {
2025                 return ERROR_COMMAND_SYNTAX_ERROR;
2026         }
2027
2028
2029         duration_start_measure(&duration);
2030
2031         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2032         {
2033                 return ERROR_OK;
2034         }
2035
2036         image_size = 0x0;
2037         retval = ERROR_OK;
2038         for (i = 0; i < image.num_sections; i++)
2039         {
2040                 buffer = malloc(image.sections[i].size);
2041                 if (buffer == NULL)
2042                 {
2043                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2044                         break;
2045                 }
2046
2047                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2048                 {
2049                         free(buffer);
2050                         break;
2051                 }
2052
2053                 u32 offset=0;
2054                 u32 length=buf_cnt;
2055
2056
2057                 /* DANGER!!! beware of unsigned comparision here!!! */
2058
2059                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
2060                                 (image.sections[i].base_address<max_address))
2061                 {
2062                         if (image.sections[i].base_address<min_address)
2063                         {
2064                                 /* clip addresses below */
2065                                 offset+=min_address-image.sections[i].base_address;
2066                                 length-=offset;
2067                         }
2068
2069                         if (image.sections[i].base_address+buf_cnt>max_address)
2070                         {
2071                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
2072                         }
2073
2074                         if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
2075                         {
2076                                 free(buffer);
2077                                 break;
2078                         }
2079                         image_size += length;
2080                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
2081                 }
2082
2083                 free(buffer);
2084         }
2085
2086         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2087         {
2088                 image_close(&image);
2089                 return retvaltemp;
2090         }
2091
2092         if (retval==ERROR_OK)
2093         {
2094                 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2095         }
2096         free(duration_text);
2097
2098         image_close(&image);
2099
2100         return retval;
2101
2102 }
2103
2104 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2105 {
2106         fileio_t fileio;
2107
2108         u32 address;
2109         u32 size;
2110         u8 buffer[560];
2111         int retval=ERROR_OK, retvaltemp;
2112
2113         duration_t duration;
2114         char *duration_text;
2115
2116         target_t *target = get_current_target(cmd_ctx);
2117
2118         if (argc != 3)
2119         {
2120                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2121                 return ERROR_OK;
2122         }
2123
2124         address = strtoul(args[1], NULL, 0);
2125         size = strtoul(args[2], NULL, 0);
2126
2127         if ((address & 3) || (size & 3))
2128         {
2129                 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2130                 return ERROR_OK;
2131         }
2132
2133         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2134         {
2135                 return ERROR_OK;
2136         }
2137
2138         duration_start_measure(&duration);
2139
2140         while (size > 0)
2141         {
2142                 u32 size_written;
2143                 u32 this_run_size = (size > 560) ? 560 : size;
2144
2145                 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2146                 if (retval != ERROR_OK)
2147                 {
2148                         break;
2149                 }
2150
2151                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2152                 if (retval != ERROR_OK)
2153                 {
2154                         break;
2155                 }
2156
2157                 size -= this_run_size;
2158                 address += this_run_size;
2159         }
2160
2161         if((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2162                 return retvaltemp;
2163
2164         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2165                 return retvaltemp;
2166
2167         if (retval==ERROR_OK)
2168         {
2169                 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2170         }
2171         free(duration_text);
2172
2173         return ERROR_OK;
2174 }
2175
2176 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2177 {
2178         u8 *buffer;
2179         u32 buf_cnt;
2180         u32 image_size;
2181         int i;
2182         int retval, retvaltemp;
2183         u32 checksum = 0;
2184         u32 mem_checksum = 0;
2185
2186         image_t image;
2187
2188         duration_t duration;
2189         char *duration_text;
2190
2191         target_t *target = get_current_target(cmd_ctx);
2192
2193         if (argc < 1)
2194         {
2195                 return ERROR_COMMAND_SYNTAX_ERROR;
2196         }
2197
2198         if (!target)
2199         {
2200                 LOG_ERROR("no target selected");
2201                 return ERROR_FAIL;
2202         }
2203
2204         duration_start_measure(&duration);
2205
2206         if (argc >= 2)
2207         {
2208                 image.base_address_set = 1;
2209                 image.base_address = strtoul(args[1], NULL, 0);
2210         }
2211         else
2212         {
2213                 image.base_address_set = 0;
2214                 image.base_address = 0x0;
2215         }
2216
2217         image.start_address_set = 0;
2218
2219         if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2220         {
2221                 return retval;
2222         }
2223
2224         image_size = 0x0;
2225         retval=ERROR_OK;
2226         for (i = 0; i < image.num_sections; i++)
2227         {
2228                 buffer = malloc(image.sections[i].size);
2229                 if (buffer == NULL)
2230                 {
2231                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2232                         break;
2233                 }
2234                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2235                 {
2236                         free(buffer);
2237                         break;
2238                 }
2239
2240                 /* calculate checksum of image */
2241                 image_calculate_checksum( buffer, buf_cnt, &checksum );
2242
2243                 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2244                 if( retval != ERROR_OK )
2245                 {
2246                         free(buffer);
2247                         break;
2248                 }
2249
2250                 if( checksum != mem_checksum )
2251                 {
2252                         /* failed crc checksum, fall back to a binary compare */
2253                         u8 *data;
2254
2255                         command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2256
2257                         data = (u8*)malloc(buf_cnt);
2258
2259                         /* Can we use 32bit word accesses? */
2260                         int size = 1;
2261                         int count = buf_cnt;
2262                         if ((count % 4) == 0)
2263                         {
2264                                 size *= 4;
2265                                 count /= 4;
2266                         }
2267                         retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2268                         if (retval == ERROR_OK)
2269                         {
2270                                 int t;
2271                                 for (t = 0; t < buf_cnt; t++)
2272                                 {
2273                                         if (data[t] != buffer[t])
2274                                         {
2275                                                 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]);
2276                                                 free(data);
2277                                                 free(buffer);
2278                                                 retval=ERROR_FAIL;
2279                                                 goto done;
2280                                         }
2281                                         if ((t%16384)==0)
2282                                         {
2283                                                 keep_alive();
2284                                         }
2285                                 }
2286                         }
2287
2288                         free(data);
2289                 }
2290
2291                 free(buffer);
2292                 image_size += buf_cnt;
2293         }
2294 done:
2295
2296         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2297         {
2298                 image_close(&image);
2299                 return retvaltemp;
2300         }
2301
2302         if (retval==ERROR_OK)
2303         {
2304                 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2305         }
2306         free(duration_text);
2307
2308         image_close(&image);
2309
2310         return retval;
2311 }
2312
2313 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2314 {
2315         int retval;
2316         target_t *target = get_current_target(cmd_ctx);
2317
2318         if (argc == 0)
2319         {
2320                 breakpoint_t *breakpoint = target->breakpoints;
2321
2322                 while (breakpoint)
2323                 {
2324                         if (breakpoint->type == BKPT_SOFT)
2325                         {
2326                                 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2327                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2328                                 free(buf);
2329                         }
2330                         else
2331                         {
2332                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2333                         }
2334                         breakpoint = breakpoint->next;
2335                 }
2336         }
2337         else if (argc >= 2)
2338         {
2339                 int hw = BKPT_SOFT;
2340                 u32 length = 0;
2341
2342                 length = strtoul(args[1], NULL, 0);
2343
2344                 if (argc >= 3)
2345                         if (strcmp(args[2], "hw") == 0)
2346                                 hw = BKPT_HARD;
2347
2348                 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2349                 {
2350                         LOG_ERROR("Failure setting breakpoints");
2351                 }
2352                 else
2353                 {
2354                         command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2355                 }
2356         }
2357         else
2358         {
2359                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2360         }
2361
2362         return ERROR_OK;
2363 }
2364
2365 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2366 {
2367         target_t *target = get_current_target(cmd_ctx);
2368
2369         if (argc > 0)
2370                 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2371
2372         return ERROR_OK;
2373 }
2374
2375 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2376 {
2377         target_t *target = get_current_target(cmd_ctx);
2378         int retval;
2379
2380         if (argc == 0)
2381         {
2382                 watchpoint_t *watchpoint = target->watchpoints;
2383
2384                 while (watchpoint)
2385                 {
2386                         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);
2387                         watchpoint = watchpoint->next;
2388                 }
2389         }
2390         else if (argc >= 2)
2391         {
2392                 enum watchpoint_rw type = WPT_ACCESS;
2393                 u32 data_value = 0x0;
2394                 u32 data_mask = 0xffffffff;
2395
2396                 if (argc >= 3)
2397                 {
2398                         switch(args[2][0])
2399                         {
2400                                 case 'r':
2401                                         type = WPT_READ;
2402                                         break;
2403                                 case 'w':
2404                                         type = WPT_WRITE;
2405                                         break;
2406                                 case 'a':
2407                                         type = WPT_ACCESS;
2408                                         break;
2409                                 default:
2410                                         command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2411                                         return ERROR_OK;
2412                         }
2413                 }
2414                 if (argc >= 4)
2415                 {
2416                         data_value = strtoul(args[3], NULL, 0);
2417                 }
2418                 if (argc >= 5)
2419                 {
2420                         data_mask = strtoul(args[4], NULL, 0);
2421                 }
2422
2423                 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2424                                 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2425                 {
2426                         LOG_ERROR("Failure setting breakpoints");
2427                 }
2428         }
2429         else
2430         {
2431                 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2432         }
2433
2434         return ERROR_OK;
2435 }
2436
2437 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2438 {
2439         target_t *target = get_current_target(cmd_ctx);
2440
2441         if (argc > 0)
2442                 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2443
2444         return ERROR_OK;
2445 }
2446
2447 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2448 {
2449         int retval;
2450         target_t *target = get_current_target(cmd_ctx);
2451         u32 va;
2452         u32 pa;
2453
2454         if (argc != 1)
2455         {
2456                 return ERROR_COMMAND_SYNTAX_ERROR;
2457         }
2458         va = strtoul(args[0], NULL, 0);
2459
2460         retval = target->type->virt2phys(target, va, &pa);
2461         if (retval == ERROR_OK)
2462         {
2463                 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2464         }
2465         else
2466         {
2467                 /* lower levels will have logged a detailed error which is
2468                  * forwarded to telnet/GDB session.
2469                  */
2470         }
2471         return retval;
2472 }
2473 static void writeLong(FILE *f, int l)
2474 {
2475         int i;
2476         for (i=0; i<4; i++)
2477         {
2478                 char c=(l>>(i*8))&0xff;
2479                 fwrite(&c, 1, 1, f);
2480         }
2481
2482 }
2483 static void writeString(FILE *f, char *s)
2484 {
2485         fwrite(s, 1, strlen(s), f);
2486 }
2487
2488
2489
2490 // Dump a gmon.out histogram file.
2491 static void writeGmon(u32 *samples, int sampleNum, char *filename)
2492 {
2493         int i;
2494         FILE *f=fopen(filename, "w");
2495         if (f==NULL)
2496                 return;
2497         fwrite("gmon", 1, 4, f);
2498         writeLong(f, 0x00000001); // Version
2499         writeLong(f, 0); // padding
2500         writeLong(f, 0); // padding
2501         writeLong(f, 0); // padding
2502
2503         fwrite("", 1, 1, f);  // GMON_TAG_TIME_HIST
2504
2505         // figure out bucket size
2506         u32 min=samples[0];
2507         u32 max=samples[0];
2508         for (i=0; i<sampleNum; i++)
2509         {
2510                 if (min>samples[i])
2511                 {
2512                         min=samples[i];
2513                 }
2514                 if (max<samples[i])
2515                 {
2516                         max=samples[i];
2517                 }
2518         }
2519
2520         int addressSpace=(max-min+1);
2521
2522         static int const maxBuckets=256*1024; // maximum buckets.
2523         int length=addressSpace;
2524         if (length > maxBuckets)
2525         {
2526                 length=maxBuckets;
2527         }
2528         int *buckets=malloc(sizeof(int)*length);
2529         if (buckets==NULL)
2530         {
2531                 fclose(f);
2532                 return;
2533         }
2534         memset(buckets, 0, sizeof(int)*length);
2535         for (i=0; i<sampleNum;i++)
2536         {
2537                 u32 address=samples[i];
2538                 long long a=address-min;
2539                 long long b=length-1;
2540                 long long c=addressSpace-1;
2541                 int index=(a*b)/c; // danger!!!! int32 overflows
2542                 buckets[index]++;
2543         }
2544
2545         //                         append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr))
2546         writeLong(f, min);                                      // low_pc
2547         writeLong(f, max);              // high_pc
2548         writeLong(f, length);           // # of samples
2549         writeLong(f, 64000000);                         // 64MHz
2550         writeString(f, "seconds");
2551         for (i=0; i<(15-strlen("seconds")); i++)
2552         {
2553                 fwrite("", 1, 1, f);  // padding
2554         }
2555         writeString(f, "s");
2556
2557 //                         append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size)
2558
2559         char *data=malloc(2*length);
2560         if (data!=NULL)
2561         {
2562                 for (i=0; i<length;i++)
2563                 {
2564                         int val;
2565                         val=buckets[i];
2566                         if (val>65535)
2567                         {
2568                                 val=65535;
2569                         }
2570                         data[i*2]=val&0xff;
2571                         data[i*2+1]=(val>>8)&0xff;
2572                 }
2573                 free(buckets);
2574                 fwrite(data, 1, length*2, f);
2575                 free(data);
2576         } else
2577         {
2578                 free(buckets);
2579         }
2580
2581         fclose(f);
2582 }
2583
2584 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2585 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2586 {
2587         target_t *target = get_current_target(cmd_ctx);
2588         struct timeval timeout, now;
2589
2590         gettimeofday(&timeout, NULL);
2591         if (argc!=2)
2592         {
2593                 return ERROR_COMMAND_SYNTAX_ERROR;
2594         }
2595         char *end;
2596         timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2597         if (*end)
2598         {
2599                 return ERROR_OK;
2600         }
2601
2602         command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2603
2604         static const int maxSample=10000;
2605         u32 *samples=malloc(sizeof(u32)*maxSample);
2606         if (samples==NULL)
2607                 return ERROR_OK;
2608
2609         int numSamples=0;
2610         int retval=ERROR_OK;
2611         // hopefully it is safe to cache! We want to stop/restart as quickly as possible.
2612         reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2613
2614         for (;;)
2615         {
2616                 target_poll(target);
2617                 if (target->state == TARGET_HALTED)
2618                 {
2619                         u32 t=*((u32 *)reg->value);
2620                         samples[numSamples++]=t;
2621                         retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2622                         target_poll(target);
2623                         alive_sleep(10); // sleep 10ms, i.e. <100 samples/second.
2624                 } else if (target->state == TARGET_RUNNING)
2625                 {
2626                         // We want to quickly sample the PC.
2627                         if((retval = target_halt(target)) != ERROR_OK)
2628                         {
2629                                 free(samples);
2630                                 return retval;
2631                         }
2632                 } else
2633                 {
2634                         command_print(cmd_ctx, "Target not halted or running");
2635                         retval=ERROR_OK;
2636                         break;
2637                 }
2638                 if (retval!=ERROR_OK)
2639                 {
2640                         break;
2641                 }
2642
2643                 gettimeofday(&now, NULL);
2644                 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2645                 {
2646                         command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2647                         if((retval = target_poll(target)) != ERROR_OK)
2648                         {
2649                                 free(samples);
2650                                 return retval;
2651                         }
2652                         if (target->state == TARGET_HALTED)
2653                         {
2654                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2655                         }
2656                         if((retval = target_poll(target)) != ERROR_OK)
2657                         {
2658                                 free(samples);
2659                                 return retval;
2660                         }
2661                         writeGmon(samples, numSamples, args[1]);
2662                         command_print(cmd_ctx, "Wrote %s", args[1]);
2663                         break;
2664                 }
2665         }
2666         free(samples);
2667
2668         return ERROR_OK;
2669 }
2670
2671 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2672 {
2673         char *namebuf;
2674         Jim_Obj *nameObjPtr, *valObjPtr;
2675         int result;
2676
2677         namebuf = alloc_printf("%s(%d)", varname, idx);
2678         if (!namebuf)
2679                 return JIM_ERR;
2680
2681         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2682         valObjPtr = Jim_NewIntObj(interp, val);
2683         if (!nameObjPtr || !valObjPtr)
2684         {
2685                 free(namebuf);
2686                 return JIM_ERR;
2687         }
2688
2689         Jim_IncrRefCount(nameObjPtr);
2690         Jim_IncrRefCount(valObjPtr);
2691         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2692         Jim_DecrRefCount(interp, nameObjPtr);
2693         Jim_DecrRefCount(interp, valObjPtr);
2694         free(namebuf);
2695         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2696         return result;
2697 }
2698
2699 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2700 {
2701         command_context_t *context;
2702         target_t *target;
2703
2704         context = Jim_GetAssocData(interp, "context");
2705         if (context == NULL)
2706         {
2707                 LOG_ERROR("mem2array: no command context");
2708                 return JIM_ERR;
2709         }
2710         target = get_current_target(context);
2711         if (target == NULL)
2712         {
2713                 LOG_ERROR("mem2array: no current target");
2714                 return JIM_ERR;
2715         }
2716
2717         return  target_mem2array(interp, target, argc,argv);
2718 }
2719
2720 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2721 {
2722         long l;
2723         u32 width;
2724         int len;
2725         u32 addr;
2726         u32 count;
2727         u32 v;
2728         const char *varname;
2729         u8 buffer[4096];
2730         int  i, n, e, retval;
2731
2732         /* argv[1] = name of array to receive the data
2733          * argv[2] = desired width
2734          * argv[3] = memory address
2735          * argv[4] = count of times to read
2736          */
2737         if (argc != 5) {
2738                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2739                 return JIM_ERR;
2740         }
2741         varname = Jim_GetString(argv[1], &len);
2742         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2743
2744         e = Jim_GetLong(interp, argv[2], &l);
2745         width = l;
2746         if (e != JIM_OK) {
2747                 return e;
2748         }
2749
2750         e = Jim_GetLong(interp, argv[3], &l);
2751         addr = l;
2752         if (e != JIM_OK) {
2753                 return e;
2754         }
2755         e = Jim_GetLong(interp, argv[4], &l);
2756         len = l;
2757         if (e != JIM_OK) {
2758                 return e;
2759         }
2760         switch (width) {
2761                 case 8:
2762                         width = 1;
2763                         break;
2764                 case 16:
2765                         width = 2;
2766                         break;
2767                 case 32:
2768                         width = 4;
2769                         break;
2770                 default:
2771                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2772                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2773                         return JIM_ERR;
2774         }
2775         if (len == 0) {
2776                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2777                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2778                 return JIM_ERR;
2779         }
2780         if ((addr + (len * width)) < addr) {
2781                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2782                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2783                 return JIM_ERR;
2784         }
2785         /* absurd transfer size? */
2786         if (len > 65536) {
2787                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2788                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2789                 return JIM_ERR;
2790         }
2791
2792         if ((width == 1) ||
2793                 ((width == 2) && ((addr & 1) == 0)) ||
2794                 ((width == 4) && ((addr & 3) == 0))) {
2795                 /* all is well */
2796         } else {
2797                 char buf[100];
2798                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2799                 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2800                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2801                 return JIM_ERR;
2802         }
2803
2804         /* Transfer loop */
2805
2806         /* index counter */
2807         n = 0;
2808         /* assume ok */
2809         e = JIM_OK;
2810         while (len) {
2811                 /* Slurp... in buffer size chunks */
2812
2813                 count = len; /* in objects.. */
2814                 if (count > (sizeof(buffer)/width)) {
2815                         count = (sizeof(buffer)/width);
2816                 }
2817
2818                 retval = target->type->read_memory( target, addr, width, count, buffer );
2819                 if (retval != ERROR_OK) {
2820                         /* BOO !*/
2821                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2822                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2823                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2824                         e = JIM_ERR;
2825                         len = 0;
2826                 } else {
2827                         v = 0; /* shut up gcc */
2828                         for (i = 0 ;i < count ;i++, n++) {
2829                                 switch (width) {
2830                                         case 4:
2831                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
2832                                                 break;
2833                                         case 2:
2834                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
2835                                                 break;
2836                                         case 1:
2837                                                 v = buffer[i] & 0x0ff;
2838                                                 break;
2839                                 }
2840                                 new_int_array_element(interp, varname, n, v);
2841                         }
2842                         len -= count;
2843                 }
2844         }
2845
2846         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2847
2848         return JIM_OK;
2849 }
2850
2851 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
2852 {
2853         char *namebuf;
2854         Jim_Obj *nameObjPtr, *valObjPtr;
2855         int result;
2856         long l;
2857
2858         namebuf = alloc_printf("%s(%d)", varname, idx);
2859         if (!namebuf)
2860                 return JIM_ERR;
2861
2862         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2863         if (!nameObjPtr)
2864         {
2865                 free(namebuf);
2866                 return JIM_ERR;
2867         }
2868
2869         Jim_IncrRefCount(nameObjPtr);
2870         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
2871         Jim_DecrRefCount(interp, nameObjPtr);
2872         free(namebuf);
2873         if (valObjPtr == NULL)
2874                 return JIM_ERR;
2875
2876         result = Jim_GetLong(interp, valObjPtr, &l);
2877         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
2878         *val = l;
2879         return result;
2880 }
2881
2882 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2883 {
2884         command_context_t *context;
2885         target_t *target;
2886
2887         context = Jim_GetAssocData(interp, "context");
2888         if (context == NULL){
2889                 LOG_ERROR("array2mem: no command context");
2890                 return JIM_ERR;
2891         }
2892         target = get_current_target(context);
2893         if (target == NULL){
2894                 LOG_ERROR("array2mem: no current target");
2895                 return JIM_ERR;
2896         }
2897
2898         return target_array2mem( interp,target, argc, argv );
2899 }
2900
2901
2902 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2903 {
2904         long l;
2905         u32 width;
2906         int len;
2907         u32 addr;
2908         u32 count;
2909         u32 v;
2910         const char *varname;
2911         u8 buffer[4096];
2912         int  i, n, e, retval;
2913
2914         /* argv[1] = name of array to get the data
2915          * argv[2] = desired width
2916          * argv[3] = memory address
2917          * argv[4] = count to write
2918          */
2919         if (argc != 5) {
2920                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2921                 return JIM_ERR;
2922         }
2923         varname = Jim_GetString(argv[1], &len);
2924         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2925
2926         e = Jim_GetLong(interp, argv[2], &l);
2927         width = l;
2928         if (e != JIM_OK) {
2929                 return e;
2930         }
2931
2932         e = Jim_GetLong(interp, argv[3], &l);
2933         addr = l;
2934         if (e != JIM_OK) {
2935                 return e;
2936         }
2937         e = Jim_GetLong(interp, argv[4], &l);
2938         len = l;
2939         if (e != JIM_OK) {
2940                 return e;
2941         }
2942         switch (width) {
2943                 case 8:
2944                         width = 1;
2945                         break;
2946                 case 16:
2947                         width = 2;
2948                         break;
2949                 case 32:
2950                         width = 4;
2951                         break;
2952                 default:
2953                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2954                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2955                         return JIM_ERR;
2956         }
2957         if (len == 0) {
2958                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2959                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
2960                 return JIM_ERR;
2961         }
2962         if ((addr + (len * width)) < addr) {
2963                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2964                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
2965                 return JIM_ERR;
2966         }
2967         /* absurd transfer size? */
2968         if (len > 65536) {
2969                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2970                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
2971                 return JIM_ERR;
2972         }
2973
2974         if ((width == 1) ||
2975                 ((width == 2) && ((addr & 1) == 0)) ||
2976                 ((width == 4) && ((addr & 3) == 0))) {
2977                 /* all is well */
2978         } else {
2979                 char buf[100];
2980                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2981                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
2982                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2983                 return JIM_ERR;
2984         }
2985
2986
2987         /* Transfer loop */
2988
2989         /* index counter */
2990         n = 0;
2991         /* assume ok */
2992         e = JIM_OK;
2993         while (len) {
2994                 /* Slurp... in buffer size chunks */
2995
2996                 count = len; /* in objects.. */
2997                 if (count > (sizeof(buffer)/width)) {
2998                         count = (sizeof(buffer)/width);
2999                 }
3000
3001                 v = 0; /* shut up gcc */
3002                 for (i = 0 ;i < count ;i++, n++) {
3003                         get_int_array_element(interp, varname, n, &v);
3004                         switch (width) {
3005                         case 4:
3006                                 target_buffer_set_u32(target, &buffer[i*width], v);
3007                                 break;
3008                         case 2:
3009                                 target_buffer_set_u16(target, &buffer[i*width], v);
3010                                 break;
3011                         case 1:
3012                                 buffer[i] = v & 0x0ff;
3013                                 break;
3014                         }
3015                 }
3016                 len -= count;
3017
3018                 retval = target->type->write_memory(target, addr, width, count, buffer);
3019                 if (retval != ERROR_OK) {
3020                         /* BOO !*/
3021                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
3022                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3023                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3024                         e = JIM_ERR;
3025                         len = 0;
3026                 }
3027         }
3028
3029         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3030
3031         return JIM_OK;
3032 }
3033
3034 void
3035 target_all_handle_event( enum target_event e )
3036 {
3037         target_t *target;
3038
3039
3040         LOG_DEBUG( "**all*targets: event: %d, %s",
3041                    e,
3042                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3043
3044         target = all_targets;
3045         while (target){
3046                 target_handle_event( target, e );
3047                 target = target->next;
3048         }
3049 }
3050
3051 void
3052 target_handle_event( target_t *target, enum target_event e )
3053 {
3054         target_event_action_t *teap;
3055         int done;
3056
3057         teap = target->event_action;
3058
3059         done = 0;
3060         while( teap ){
3061                 if( teap->event == e ){
3062                         done = 1;
3063                         LOG_DEBUG( "target: (%d) %s (%s) event: %d (%s) action: %s\n",
3064                                            target->target_number,
3065                                            target->cmd_name,
3066                                            target->type->name,
3067                                            e,
3068                                            Jim_Nvp_value2name_simple( nvp_target_event, e )->name,
3069                                            Jim_GetString( teap->body, NULL ) );
3070                         if (Jim_EvalObj( interp, teap->body )!=JIM_OK)
3071                         {
3072                                 Jim_PrintErrorMessage(interp);
3073                         }
3074                 }
3075                 teap = teap->next;
3076         }
3077         if( !done ){
3078                 LOG_DEBUG( "event: %d %s - no action",
3079                                    e,
3080                                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3081         }
3082 }
3083
3084 enum target_cfg_param {
3085         TCFG_TYPE,
3086         TCFG_EVENT,
3087         TCFG_WORK_AREA_VIRT,
3088         TCFG_WORK_AREA_PHYS,
3089         TCFG_WORK_AREA_SIZE,
3090         TCFG_WORK_AREA_BACKUP,
3091         TCFG_ENDIAN,
3092         TCFG_VARIANT,
3093         TCFG_CHAIN_POSITION,
3094 };
3095
3096
3097 static Jim_Nvp nvp_config_opts[] = {
3098         { .name = "-type",             .value = TCFG_TYPE },
3099         { .name = "-event",            .value = TCFG_EVENT },
3100         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3101         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3102         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3103         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3104         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3105         { .name = "-variant",          .value = TCFG_VARIANT },
3106         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3107
3108         { .name = NULL, .value = -1 }
3109 };
3110
3111
3112 static int
3113 target_configure( Jim_GetOptInfo *goi,
3114                                   target_t *target )
3115 {
3116         Jim_Nvp *n;
3117         Jim_Obj *o;
3118         jim_wide w;
3119         char *cp;
3120         int e;
3121
3122
3123         /* parse config or cget options ... */
3124         while( goi->argc > 0 ){
3125                 Jim_SetEmptyResult( goi->interp );
3126                 //Jim_GetOpt_Debug( goi );
3127
3128                 if( target->type->target_jim_configure ){
3129                         /* target defines a configure function */
3130                         /* target gets first dibs on parameters */
3131                         e = (*(target->type->target_jim_configure))( target, goi );
3132                         if( e == JIM_OK ){
3133                                 /* more? */
3134                                 continue;
3135                         }
3136                         if( e == JIM_ERR ){
3137                                 /* An error */
3138                                 return e;
3139                         }
3140                         /* otherwise we 'continue' below */
3141                 }
3142                 e = Jim_GetOpt_Nvp( goi, nvp_config_opts, &n );
3143                 if( e != JIM_OK ){
3144                         Jim_GetOpt_NvpUnknown( goi, nvp_config_opts, 0 );
3145                         return e;
3146                 }
3147                 switch( n->value ){
3148                 case TCFG_TYPE:
3149                         /* not setable */
3150                         if( goi->isconfigure ){
3151                                 Jim_SetResult_sprintf( goi->interp, "not setable: %s", n->name );
3152                                 return JIM_ERR;
3153                         } else {
3154                         no_params:
3155                                 if( goi->argc != 0 ){
3156                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "NO PARAMS");
3157                                         return JIM_ERR;
3158                                 }
3159                         }
3160                         Jim_SetResultString( goi->interp, target->type->name, -1 );
3161                         /* loop for more */
3162                         break;
3163                 case TCFG_EVENT:
3164                         if( goi->argc == 0 ){
3165                                 Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3166                                 return JIM_ERR;
3167                         }
3168
3169                         e = Jim_GetOpt_Nvp( goi, nvp_target_event, &n );
3170                         if( e != JIM_OK ){
3171                                 Jim_GetOpt_NvpUnknown( goi, nvp_target_event, 1 );
3172                                 return e;
3173                         }
3174
3175                         if( goi->isconfigure ){
3176                                 if( goi->argc != 1 ){
3177                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3178                                         return JIM_ERR;
3179                                 }
3180                         } else {
3181                                 if( goi->argc != 0 ){
3182                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3183                                         return JIM_ERR;
3184                                 }
3185                         }
3186
3187
3188                         {
3189                                 target_event_action_t *teap;
3190
3191                                 teap = target->event_action;
3192                                 /* replace existing? */
3193                                 while( teap ){
3194                                         if( teap->event == n->value ){
3195                                                 break;
3196                                         }
3197                                         teap = teap->next;
3198                                 }
3199
3200                                 if( goi->isconfigure ){
3201                                         if( teap == NULL ){
3202                                                 /* create new */
3203                                                 teap = calloc( 1, sizeof(*teap) );
3204                                         }
3205                                         teap->event = n->value;
3206                                         Jim_GetOpt_Obj( goi, &o );
3207                                         if( teap->body ){
3208                                                 Jim_DecrRefCount( interp, teap->body );
3209                                         }
3210                                         teap->body  = Jim_DuplicateObj( goi->interp, o );
3211                                         /*
3212                                          * FIXME:
3213                                          *     Tcl/TK - "tk events" have a nice feature.
3214                                          *     See the "BIND" command.
3215                                          *    We should support that here.
3216                                          *     You can specify %X and %Y in the event code.
3217                                          *     The idea is: %T - target name.
3218                                          *     The idea is: %N - target number
3219                                          *     The idea is: %E - event name.
3220                                          */
3221                                         Jim_IncrRefCount( teap->body );
3222
3223                                         /* add to head of event list */
3224                                         teap->next = target->event_action;
3225                                         target->event_action = teap;
3226                                         Jim_SetEmptyResult(goi->interp);
3227                                 } else {
3228                                         /* get */
3229                                         if( teap == NULL ){
3230                                                 Jim_SetEmptyResult( goi->interp );
3231                                         } else {
3232                                                 Jim_SetResult( goi->interp, Jim_DuplicateObj( goi->interp, teap->body ) );
3233                                         }
3234                                 }
3235                         }
3236                         /* loop for more */
3237                         break;
3238
3239                 case TCFG_WORK_AREA_VIRT:
3240                         if( goi->isconfigure ){
3241                                 target_free_all_working_areas(target);
3242                                 e = Jim_GetOpt_Wide( goi, &w );
3243                                 if( e != JIM_OK ){
3244                                         return e;
3245                                 }
3246                                 target->working_area_virt = w;
3247                         } else {
3248                                 if( goi->argc != 0 ){
3249                                         goto no_params;
3250                                 }
3251                         }
3252                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_virt ) );
3253                         /* loop for more */
3254                         break;
3255
3256                 case TCFG_WORK_AREA_PHYS:
3257                         if( goi->isconfigure ){
3258                                 target_free_all_working_areas(target);
3259                                 e = Jim_GetOpt_Wide( goi, &w );
3260                                 if( e != JIM_OK ){
3261                                         return e;
3262                                 }
3263                                 target->working_area_phys = w;
3264                         } else {
3265                                 if( goi->argc != 0 ){
3266                                         goto no_params;
3267                                 }
3268                         }
3269                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_phys ) );
3270                         /* loop for more */
3271                         break;
3272
3273                 case TCFG_WORK_AREA_SIZE:
3274                         if( goi->isconfigure ){
3275                                 target_free_all_working_areas(target);
3276                                 e = Jim_GetOpt_Wide( goi, &w );
3277                                 if( e != JIM_OK ){
3278                                         return e;
3279                                 }
3280                                 target->working_area_size = w;
3281                         } else {
3282                                 if( goi->argc != 0 ){
3283                                         goto no_params;
3284                                 }
3285                         }
3286                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3287                         /* loop for more */
3288                         break;
3289
3290                 case TCFG_WORK_AREA_BACKUP:
3291                         if( goi->isconfigure ){
3292                                 target_free_all_working_areas(target);
3293                                 e = Jim_GetOpt_Wide( goi, &w );
3294                                 if( e != JIM_OK ){
3295                                         return e;
3296                                 }
3297                                 /* make this exactly 1 or 0 */
3298                                 target->backup_working_area = (!!w);
3299                         } else {
3300                                 if( goi->argc != 0 ){
3301                                         goto no_params;
3302                                 }
3303                         }
3304                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3305                         /* loop for more e*/
3306                         break;
3307
3308                 case TCFG_ENDIAN:
3309                         if( goi->isconfigure ){
3310                                 e = Jim_GetOpt_Nvp( goi, nvp_target_endian, &n );
3311                                 if( e != JIM_OK ){
3312                                         Jim_GetOpt_NvpUnknown( goi, nvp_target_endian, 1 );
3313                                         return e;
3314                                 }
3315                                 target->endianness = n->value;
3316                         } else {
3317                                 if( goi->argc != 0 ){
3318                                         goto no_params;
3319                                 }
3320                         }
3321                         n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3322                         if( n->name == NULL ){
3323                                 target->endianness = TARGET_LITTLE_ENDIAN;
3324                                 n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3325                         }
3326                         Jim_SetResultString( goi->interp, n->name, -1 );
3327                         /* loop for more */
3328                         break;
3329
3330                 case TCFG_VARIANT:
3331                         if( goi->isconfigure ){
3332                                 if( goi->argc < 1 ){
3333                                         Jim_SetResult_sprintf( goi->interp,
3334                                                                                    "%s ?STRING?",
3335                                                                                    n->name );
3336                                         return JIM_ERR;
3337                                 }
3338                                 if( target->variant ){
3339                                         free((void *)(target->variant));
3340                                 }
3341                                 e = Jim_GetOpt_String( goi, &cp, NULL );
3342                                 target->variant = strdup(cp);
3343                         } else {
3344                                 if( goi->argc != 0 ){
3345                                         goto no_params;
3346                                 }
3347                         }
3348                         Jim_SetResultString( goi->interp, target->variant,-1 );
3349                         /* loop for more */
3350                         break;
3351                 case TCFG_CHAIN_POSITION:
3352                         if( goi->isconfigure ){
3353                                 Jim_Obj *o;
3354                                 jtag_tap_t *tap;
3355                                 target_free_all_working_areas(target);
3356                                 e = Jim_GetOpt_Obj( goi, &o );
3357                                 if( e != JIM_OK ){
3358                                         return e;
3359                                 }
3360                                 tap = jtag_TapByJimObj( goi->interp, o );
3361                                 if( tap == NULL ){
3362                                         return JIM_ERR;
3363                                 }
3364                                 /* make this exactly 1 or 0 */
3365                                 target->tap = tap;
3366                         } else {
3367                                 if( goi->argc != 0 ){
3368                                         goto no_params;
3369                                 }
3370                         }
3371                         Jim_SetResultString( interp, target->tap->dotted_name, -1 );
3372                         /* loop for more e*/
3373                         break;
3374                 }
3375         } /* while( goi->argc ) */
3376                 /* done - we return */
3377         return JIM_OK;
3378 }
3379
3380
3381 /** this is the 'tcl' handler for the target specific command */
3382 static int
3383 tcl_target_func( Jim_Interp *interp,
3384                                  int argc,
3385                                  Jim_Obj *const *argv )
3386 {
3387         Jim_GetOptInfo goi;
3388         jim_wide a,b,c;
3389         int x,y,z;
3390         u8  target_buf[32];
3391         Jim_Nvp *n;
3392         target_t *target;
3393         struct command_context_s *cmd_ctx;
3394         int e;
3395
3396
3397         enum {
3398                 TS_CMD_CONFIGURE,
3399                 TS_CMD_CGET,
3400
3401                 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3402                 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3403                 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3404                 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3405                 TS_CMD_EXAMINE,
3406                 TS_CMD_POLL,
3407                 TS_CMD_RESET,
3408                 TS_CMD_HALT,
3409                 TS_CMD_WAITSTATE,
3410                 TS_CMD_EVENTLIST,
3411                 TS_CMD_CURSTATE,
3412                 TS_CMD_INVOKE_EVENT,
3413         };
3414
3415         static const Jim_Nvp target_options[] = {
3416                 { .name = "configure", .value = TS_CMD_CONFIGURE },
3417                 { .name = "cget", .value = TS_CMD_CGET },
3418                 { .name = "mww", .value = TS_CMD_MWW },
3419                 { .name = "mwh", .value = TS_CMD_MWH },
3420                 { .name = "mwb", .value = TS_CMD_MWB },
3421                 { .name = "mdw", .value = TS_CMD_MDW },
3422                 { .name = "mdh", .value = TS_CMD_MDH },
3423                 { .name = "mdb", .value = TS_CMD_MDB },
3424                 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3425                 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3426                 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3427                 { .name = "curstate",  .value = TS_CMD_CURSTATE },
3428
3429                 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3430                 { .name = "arp_poll", .value = TS_CMD_POLL },
3431                 { .name = "arp_reset", .value = TS_CMD_RESET },
3432                 { .name = "arp_halt", .value = TS_CMD_HALT },
3433                 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3434                 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3435
3436                 { .name = NULL, .value = -1 },
3437         };
3438
3439
3440         /* go past the "command" */
3441         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3442
3443         target = Jim_CmdPrivData( goi.interp );
3444         cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3445
3446         /* commands here are in an NVP table */
3447         e = Jim_GetOpt_Nvp( &goi, target_options, &n );
3448         if( e != JIM_OK ){
3449                 Jim_GetOpt_NvpUnknown( &goi, target_options, 0 );
3450                 return e;
3451         }
3452         // Assume blank result
3453         Jim_SetEmptyResult( goi.interp );
3454
3455         switch( n->value ){
3456         case TS_CMD_CONFIGURE:
3457                 if( goi.argc < 2 ){
3458                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3459                         return JIM_ERR;
3460                 }
3461                 goi.isconfigure = 1;
3462                 return target_configure( &goi, target );
3463         case TS_CMD_CGET:
3464                 // some things take params
3465                 if( goi.argc < 1 ){
3466                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "missing: ?-option?");
3467                         return JIM_ERR;
3468                 }
3469                 goi.isconfigure = 0;
3470                 return target_configure( &goi, target );
3471                 break;
3472         case TS_CMD_MWW:
3473         case TS_CMD_MWH:
3474         case TS_CMD_MWB:
3475                 /* argv[0] = cmd
3476                  * argv[1] = address
3477                  * argv[2] = data
3478                  * argv[3] = optional count.
3479                  */
3480
3481                 if( (goi.argc == 3) || (goi.argc == 4) ){
3482                         /* all is well */
3483                 } else {
3484                 mwx_error:
3485                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR DATA [COUNT]", n->name );
3486                         return JIM_ERR;
3487                 }
3488
3489                 e = Jim_GetOpt_Wide( &goi, &a );
3490                 if( e != JIM_OK ){
3491                         goto mwx_error;
3492                 }
3493
3494                 e = Jim_GetOpt_Wide( &goi, &b );
3495                 if( e != JIM_OK ){
3496                         goto mwx_error;
3497                 }
3498                 if( goi.argc ){
3499                         e = Jim_GetOpt_Wide( &goi, &c );
3500                         if( e != JIM_OK ){
3501                                 goto mwx_error;
3502                         }
3503                 } else {
3504                         c = 1;
3505                 }
3506
3507                 switch( n->value ){
3508                 case TS_CMD_MWW:
3509                         target_buffer_set_u32( target, target_buf, b );
3510                         b = 4;
3511                         break;
3512                 case TS_CMD_MWH:
3513                         target_buffer_set_u16( target, target_buf, b );
3514                         b = 2;
3515                         break;
3516                 case TS_CMD_MWB:
3517                         target_buffer_set_u8( target, target_buf, b );
3518                         b = 1;
3519                         break;
3520                 }
3521                 for( x = 0 ; x < c ; x++ ){
3522                         e = target->type->write_memory( target, a, b, 1, target_buf );
3523                         if( e != ERROR_OK ){
3524                                 Jim_SetResult_sprintf( interp, "Error writing @ 0x%08x: %d\n", (int)(a), e );
3525                                 return JIM_ERR;
3526                         }
3527                         /* b = width */
3528                         a = a + b;
3529                 }
3530                 return JIM_OK;
3531                 break;
3532
3533                 /* display */
3534         case TS_CMD_MDW:
3535         case TS_CMD_MDH:
3536         case TS_CMD_MDB:
3537                 /* argv[0] = command
3538                  * argv[1] = address
3539                  * argv[2] = optional count
3540                  */
3541                 if( (goi.argc == 2) || (goi.argc == 3) ){
3542                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR [COUNT]", n->name );
3543                         return JIM_ERR;
3544                 }
3545                 e = Jim_GetOpt_Wide( &goi, &a );
3546                 if( e != JIM_OK ){
3547                         return JIM_ERR;
3548                 }
3549                 if( goi.argc ){
3550                         e = Jim_GetOpt_Wide( &goi, &c );
3551                         if( e != JIM_OK ){
3552                                 return JIM_ERR;
3553                         }
3554                 } else {
3555                         c = 1;
3556                 }
3557                 b = 1; /* shut up gcc */
3558                 switch( n->value ){
3559                 case TS_CMD_MDW:
3560                         b =  4;
3561                         break;
3562                 case TS_CMD_MDH:
3563                         b = 2;
3564                         break;
3565                 case TS_CMD_MDB:
3566                         b = 1;
3567                         break;
3568                 }
3569
3570                 /* convert to "bytes" */
3571                 c = c * b;
3572                 /* count is now in 'BYTES' */
3573                 while( c > 0 ){
3574                         y = c;
3575                         if( y > 16 ){
3576                                 y = 16;
3577                         }
3578                         e = target->type->read_memory( target, a, b, y / b, target_buf );
3579                         if( e != ERROR_OK ){
3580                                 Jim_SetResult_sprintf( interp, "error reading target @ 0x%08lx", (int)(a) );
3581                                 return JIM_ERR;
3582                         }
3583
3584                         Jim_fprintf( interp, interp->cookie_stdout, "0x%08x ", (int)(a) );
3585                         switch( b ){
3586                         case 4:
3587                                 for( x = 0 ; (x < 16) && (x < y) ; x += 4 ){
3588                                         z = target_buffer_get_u32( target, &(target_buf[ x * 4 ]) );
3589                                         Jim_fprintf( interp, interp->cookie_stdout, "%08x ", (int)(z) );
3590                                 }
3591                                 for( ; (x < 16) ; x += 4 ){
3592                                         Jim_fprintf( interp, interp->cookie_stdout, "         " );
3593                                 }
3594                                 break;
3595                         case 2:
3596                                 for( x = 0 ; (x < 16) && (x < y) ; x += 2 ){
3597                                         z = target_buffer_get_u16( target, &(target_buf[ x * 2 ]) );
3598                                         Jim_fprintf( interp, interp->cookie_stdout, "%04x ", (int)(z) );
3599                                 }
3600                                 for( ; (x < 16) ; x += 2 ){
3601                                         Jim_fprintf( interp, interp->cookie_stdout, "     " );
3602                                 }
3603                                 break;
3604                         case 1:
3605                         default:
3606                                 for( x = 0 ; (x < 16) && (x < y) ; x += 1 ){
3607                                         z = target_buffer_get_u8( target, &(target_buf[ x * 4 ]) );
3608                                         Jim_fprintf( interp, interp->cookie_stdout, "%02x ", (int)(z) );
3609                                 }
3610                                 for( ; (x < 16) ; x += 1 ){
3611                                         Jim_fprintf( interp, interp->cookie_stdout, "   " );
3612                                 }
3613                                 break;
3614                         }
3615                         /* ascii-ify the bytes */
3616                         for( x = 0 ; x < y ; x++ ){
3617                                 if( (target_buf[x] >= 0x20) &&
3618                                         (target_buf[x] <= 0x7e) ){
3619                                         /* good */
3620                                 } else {
3621                                         /* smack it */
3622                                         target_buf[x] = '.';
3623                                 }
3624                         }
3625                         /* space pad  */
3626                         while( x < 16 ){
3627                                 target_buf[x] = ' ';
3628                                 x++;
3629                         }
3630                         /* terminate */
3631                         target_buf[16] = 0;
3632                         /* print - with a newline */
3633                         Jim_fprintf( interp, interp->cookie_stdout, "%s\n", target_buf );
3634                         /* NEXT... */
3635                         c -= 16;
3636                         a += 16;
3637                 }
3638                 return JIM_OK;
3639         case TS_CMD_MEM2ARRAY:
3640                 return target_mem2array( goi.interp, target, goi.argc, goi.argv );
3641                 break;
3642         case TS_CMD_ARRAY2MEM:
3643                 return target_array2mem( goi.interp, target, goi.argc, goi.argv );
3644                 break;
3645         case TS_CMD_EXAMINE:
3646                 if( goi.argc ){
3647                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3648                         return JIM_ERR;
3649                 }
3650                 e = target->type->examine( target );
3651                 if( e != ERROR_OK ){
3652                         Jim_SetResult_sprintf( interp, "examine-fails: %d", e );
3653                         return JIM_ERR;
3654                 }
3655                 return JIM_OK;
3656         case TS_CMD_POLL:
3657                 if( goi.argc ){
3658                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3659                         return JIM_ERR;
3660                 }
3661                 if( !(target->type->examined) ){
3662                         e = ERROR_TARGET_NOT_EXAMINED;
3663                 } else {
3664                         e = target->type->poll( target );
3665                 }
3666                 if( e != ERROR_OK ){
3667                         Jim_SetResult_sprintf( interp, "poll-fails: %d", e );
3668                         return JIM_ERR;
3669                 } else {
3670                         return JIM_OK;
3671                 }
3672                 break;
3673         case TS_CMD_RESET:
3674                 if( goi.argc != 2 ){
3675                         Jim_WrongNumArgs( interp, 2, argv, "t|f|assert|deassert BOOL");
3676                         return JIM_ERR;
3677                 }
3678                 e = Jim_GetOpt_Nvp( &goi, nvp_assert, &n );
3679                 if( e != JIM_OK ){
3680                         Jim_GetOpt_NvpUnknown( &goi, nvp_assert, 1 );
3681                         return e;
3682                 }
3683                 // the halt or not param
3684                 e = Jim_GetOpt_Wide( &goi, &a);
3685                 if( e != JIM_OK ){
3686                         return e;
3687                 }
3688                 // determine if we should halt or not.
3689                 target->reset_halt = !!a;
3690                 // When this happens - all workareas are invalid.
3691                 target_free_all_working_areas_restore(target, 0);
3692
3693                 // do the assert
3694                 if( n->value == NVP_ASSERT ){
3695                         target->type->assert_reset( target );
3696                 } else {
3697                         target->type->deassert_reset( target );
3698                 }
3699                 return JIM_OK;
3700         case TS_CMD_HALT:
3701                 if( goi.argc ){
3702                         Jim_WrongNumArgs( goi.interp, 0, argv, "halt [no parameters]");
3703                         return JIM_ERR;
3704                 }
3705                 target->type->halt( target );
3706                 return JIM_OK;
3707         case TS_CMD_WAITSTATE:
3708                 // params:  <name>  statename timeoutmsecs
3709                 if( goi.argc != 2 ){
3710                         Jim_SetResult_sprintf( goi.interp, "%s STATENAME TIMEOUTMSECS", n->name );
3711                         return JIM_ERR;
3712                 }
3713                 e = Jim_GetOpt_Nvp( &goi, nvp_target_state, &n );
3714                 if( e != JIM_OK ){
3715                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_state,1 );
3716                         return e;
3717                 }
3718                 e = Jim_GetOpt_Wide( &goi, &a );
3719                 if( e != JIM_OK ){
3720                         return e;
3721                 }
3722                 e = target_wait_state( target, n->value, a );
3723                 if( e != ERROR_OK ){
3724                         Jim_SetResult_sprintf( goi.interp,
3725                                                                    "target: %s wait %s fails (%d) %s",
3726                                                                    target->cmd_name,
3727                                                                    n->name,
3728                                                e, target_strerror_safe(e) );
3729                         return JIM_ERR;
3730                 } else {
3731                         return JIM_OK;
3732                 }
3733         case TS_CMD_EVENTLIST:
3734                 /* List for human, Events defined for this target.
3735                  * scripts/programs should use 'name cget -event NAME'
3736                  */
3737                 {
3738                         target_event_action_t *teap;
3739                         teap = target->event_action;
3740                         command_print( cmd_ctx, "Event actions for target (%d) %s\n",
3741                                                    target->target_number,
3742                                                    target->cmd_name );
3743                         command_print( cmd_ctx, "%-25s | Body", "Event");
3744                         command_print( cmd_ctx, "------------------------- | ----------------------------------------");
3745                         while( teap ){
3746                                 command_print( cmd_ctx,
3747                                                            "%-25s | %s",
3748                                                            Jim_Nvp_value2name_simple( nvp_target_event, teap->event )->name,
3749                                                            Jim_GetString( teap->body, NULL ) );
3750                                 teap = teap->next;
3751                         }
3752                         command_print( cmd_ctx, "***END***");
3753                         return JIM_OK;
3754                 }
3755         case TS_CMD_CURSTATE:
3756                 if( goi.argc != 0 ){
3757                         Jim_WrongNumArgs( goi.interp, 0, argv, "[no parameters]");
3758                         return JIM_ERR;
3759                 }
3760                 Jim_SetResultString( goi.interp,
3761                                                          Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name,-1);
3762                 return JIM_OK;
3763         case TS_CMD_INVOKE_EVENT:
3764                 if( goi.argc != 1 ){
3765                         Jim_SetResult_sprintf( goi.interp, "%s ?EVENTNAME?",n->name);
3766                         return JIM_ERR;
3767                 }
3768                 e = Jim_GetOpt_Nvp( &goi, nvp_target_event, &n );
3769                 if( e != JIM_OK ){
3770                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_event, 1 );
3771                         return e;
3772                 }
3773                 target_handle_event( target, n->value );
3774                 return JIM_OK;
3775         }
3776         return JIM_ERR;
3777 }
3778
3779
3780 static int
3781 target_create( Jim_GetOptInfo *goi )
3782 {
3783
3784         Jim_Obj *new_cmd;
3785         Jim_Cmd *cmd;
3786         const char *cp;
3787         char *cp2;
3788         int e;
3789         int x;
3790         target_t *target;
3791         struct command_context_s *cmd_ctx;
3792
3793         cmd_ctx = Jim_GetAssocData(goi->interp, "context");
3794         if( goi->argc < 3 ){
3795                 Jim_WrongNumArgs( goi->interp, 1, goi->argv, "?name? ?type? ..options...");
3796                 return JIM_ERR;
3797         }
3798
3799         /* COMMAND */
3800         Jim_GetOpt_Obj( goi, &new_cmd );
3801         /* does this command exist? */
3802         cmd = Jim_GetCommand( goi->interp, new_cmd, JIM_ERRMSG );
3803         if( cmd ){
3804                 cp = Jim_GetString( new_cmd, NULL );
3805                 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
3806                 return JIM_ERR;
3807         }
3808
3809         /* TYPE */
3810         e = Jim_GetOpt_String( goi, &cp2, NULL );
3811         cp = cp2;
3812         /* now does target type exist */
3813         for( x = 0 ; target_types[x] ; x++ ){
3814                 if( 0 == strcmp( cp, target_types[x]->name ) ){
3815                         /* found */
3816                         break;
3817                 }
3818         }
3819         if( target_types[x] == NULL ){
3820                 Jim_SetResult_sprintf( goi->interp, "Unknown target type %s, try one of ", cp );
3821                 for( x = 0 ; target_types[x] ; x++ ){
3822                         if( target_types[x+1] ){
3823                                 Jim_AppendStrings( goi->interp,
3824                                                                    Jim_GetResult(goi->interp),
3825                                                                    target_types[x]->name,
3826                                                                    ", ", NULL);
3827                         } else {
3828                                 Jim_AppendStrings( goi->interp,
3829                                                                    Jim_GetResult(goi->interp),
3830                                                                    " or ",
3831                                                                    target_types[x]->name,NULL );
3832                         }
3833                 }
3834                 return JIM_ERR;
3835         }
3836
3837
3838         /* Create it */
3839         target = calloc(1,sizeof(target_t));
3840         /* set target number */
3841         target->target_number = new_target_number();
3842
3843         /* allocate memory for each unique target type */
3844         target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
3845
3846         memcpy( target->type, target_types[x], sizeof(target_type_t));
3847
3848         /* will be set by "-endian" */
3849         target->endianness = TARGET_ENDIAN_UNKNOWN;
3850
3851         target->working_area        = 0x0;
3852         target->working_area_size   = 0x0;
3853         target->working_areas       = NULL;
3854         target->backup_working_area = 0;
3855
3856         target->state               = TARGET_UNKNOWN;
3857         target->debug_reason        = DBG_REASON_UNDEFINED;
3858         target->reg_cache           = NULL;
3859         target->breakpoints         = NULL;
3860         target->watchpoints         = NULL;
3861         target->next                = NULL;
3862         target->arch_info           = NULL;
3863
3864         target->display             = 1;
3865
3866         /* initialize trace information */
3867         target->trace_info = malloc(sizeof(trace_t));
3868         target->trace_info->num_trace_points         = 0;
3869         target->trace_info->trace_points_size        = 0;
3870         target->trace_info->trace_points             = NULL;
3871         target->trace_info->trace_history_size       = 0;
3872         target->trace_info->trace_history            = NULL;
3873         target->trace_info->trace_history_pos        = 0;
3874         target->trace_info->trace_history_overflowed = 0;
3875
3876         target->dbgmsg          = NULL;
3877         target->dbg_msg_enabled = 0;
3878
3879         target->endianness = TARGET_ENDIAN_UNKNOWN;
3880
3881         /* Do the rest as "configure" options */
3882         goi->isconfigure = 1;
3883         e = target_configure( goi, target);
3884         if( e != JIM_OK ){
3885                 free( target->type );
3886                 free( target );
3887                 return e;
3888         }
3889
3890         if( target->endianness == TARGET_ENDIAN_UNKNOWN ){
3891                 /* default endian to little if not specified */
3892                 target->endianness = TARGET_LITTLE_ENDIAN;
3893         }
3894
3895         /* create the target specific commands */
3896         if( target->type->register_commands ){
3897                 (*(target->type->register_commands))( cmd_ctx );
3898         }
3899         if( target->type->target_create ){
3900                 (*(target->type->target_create))( target, goi->interp );
3901         }
3902
3903         /* append to end of list */
3904         {
3905                 target_t **tpp;
3906                 tpp = &(all_targets);
3907                 while( *tpp ){
3908                         tpp = &( (*tpp)->next );
3909                 }
3910                 *tpp = target;
3911         }
3912
3913         cp = Jim_GetString( new_cmd, NULL );
3914         target->cmd_name = strdup(cp);
3915
3916         /* now - create the new target name command */
3917         e = Jim_CreateCommand( goi->interp,
3918                                                    /* name */
3919                                                    cp,
3920                                                    tcl_target_func, /* C function */
3921                                                    target, /* private data */
3922                                                    NULL ); /* no del proc */
3923
3924         return e;
3925 }
3926
3927 static int
3928 jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3929 {
3930         int x,r,e;
3931         jim_wide w;
3932         struct command_context_s *cmd_ctx;
3933         target_t *target;
3934         Jim_GetOptInfo goi;
3935         enum tcmd {
3936                 /* TG = target generic */
3937                 TG_CMD_CREATE,
3938                 TG_CMD_TYPES,
3939                 TG_CMD_NAMES,
3940                 TG_CMD_CURRENT,
3941                 TG_CMD_NUMBER,
3942                 TG_CMD_COUNT,
3943         };
3944         const char *target_cmds[] = {
3945                 "create", "types", "names", "current", "number",
3946                 "count",
3947                 NULL // terminate
3948         };
3949
3950         LOG_DEBUG("Target command params:");
3951         LOG_DEBUG(Jim_Debug_ArgvString( interp, argc, argv) );
3952
3953         cmd_ctx = Jim_GetAssocData( interp, "context" );
3954
3955         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3956
3957         if( goi.argc == 0 ){
3958                 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
3959                 return JIM_ERR;
3960         }
3961
3962         //Jim_GetOpt_Debug( &goi );
3963         r = Jim_GetOpt_Enum( &goi, target_cmds, &x   );
3964         if( r != JIM_OK ){
3965                 return r;
3966         }
3967
3968         switch(x){
3969         default:
3970                 Jim_Panic(goi.interp,"Why am I here?");
3971                 return JIM_ERR;
3972         case TG_CMD_CURRENT:
3973                 if( goi.argc != 0 ){
3974                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters");
3975                         return JIM_ERR;
3976                 }
3977                 Jim_SetResultString( goi.interp, get_current_target( cmd_ctx )->cmd_name, -1 );
3978                 return JIM_OK;
3979         case TG_CMD_TYPES:
3980                 if( goi.argc != 0 ){
3981                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
3982                         return JIM_ERR;
3983                 }
3984                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
3985                 for( x = 0 ; target_types[x] ; x++ ){
3986                         Jim_ListAppendElement( goi.interp,
3987                                                                    Jim_GetResult(goi.interp),
3988                                                                    Jim_NewStringObj( goi.interp, target_types[x]->name, -1 ) );
3989                 }
3990                 return JIM_OK;
3991         case TG_CMD_NAMES:
3992                 if( goi.argc != 0 ){
3993                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
3994                         return JIM_ERR;
3995                 }
3996                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
3997                 target = all_targets;
3998                 while( target ){
3999                         Jim_ListAppendElement( goi.interp,
4000                                                                    Jim_GetResult(goi.interp),
4001                                                                    Jim_NewStringObj( goi.interp, target->cmd_name, -1 ) );
4002                         target = target->next;
4003                 }
4004                 return JIM_OK;
4005         case TG_CMD_CREATE:
4006                 if( goi.argc < 3 ){
4007                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "?name  ... config options ...");
4008                         return JIM_ERR;
4009                 }
4010                 return target_create( &goi );
4011                 break;
4012         case TG_CMD_NUMBER:
4013                 if( goi.argc != 1 ){
4014                         Jim_SetResult_sprintf( goi.interp, "expected: target number ?NUMBER?");
4015                         return JIM_ERR;
4016                 }
4017                 e = Jim_GetOpt_Wide( &goi, &w );
4018                 if( e != JIM_OK ){
4019                         return JIM_ERR;
4020                 }
4021                 {
4022                         target_t *t;
4023                         t = get_target_by_num(w);
4024                         if( t == NULL ){
4025                                 Jim_SetResult_sprintf( goi.interp,"Target: number %d does not exist", (int)(w));
4026                                 return JIM_ERR;
4027                         }
4028                         Jim_SetResultString( goi.interp, t->cmd_name, -1 );
4029                         return JIM_OK;
4030                 }
4031         case TG_CMD_COUNT:
4032                 if( goi.argc != 0 ){
4033                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "<no parameters>");
4034                         return JIM_ERR;
4035                 }
4036                 Jim_SetResult( goi.interp,
4037                                            Jim_NewIntObj( goi.interp, max_target_number()));
4038                 return JIM_OK;
4039         }
4040
4041         return JIM_ERR;
4042 }