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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_START, .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     ChainPos 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 %8d %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->chain_position,
1402                                           Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
1403                 target = target->next;
1404         }
1405
1406         return ERROR_OK;
1407 }
1408
1409 // every 300ms we check for reset & powerdropout and issue a "reset halt" if
1410 // so.
1411
1412 static int powerDropout;
1413 static int srstAsserted;
1414
1415 static int runPowerRestore;
1416 static int runPowerDropout;
1417 static int runSrstAsserted;
1418 static int runSrstDeasserted;
1419
1420 static int sense_handler()
1421 {
1422         static int prevSrstAsserted = 0;
1423         static int prevPowerdropout = 0;
1424
1425         int retval;
1426         if ((retval=jtag_power_dropout(&powerDropout))!=ERROR_OK)
1427                 return retval;
1428
1429         int powerRestored;
1430         powerRestored = prevPowerdropout && !powerDropout;
1431         if (powerRestored)
1432         {
1433                 runPowerRestore = 1;
1434         }
1435
1436         long long current = timeval_ms();
1437         static long long lastPower = 0;
1438         int waitMore = lastPower + 2000 > current;
1439         if (powerDropout && !waitMore)
1440         {
1441                 runPowerDropout = 1;
1442                 lastPower = current;
1443         }
1444
1445         if ((retval=jtag_srst_asserted(&srstAsserted))!=ERROR_OK)
1446                 return retval;
1447
1448         int srstDeasserted;
1449         srstDeasserted = prevSrstAsserted && !srstAsserted;
1450
1451         static long long lastSrst = 0;
1452         waitMore = lastSrst + 2000 > current;
1453         if (srstDeasserted && !waitMore)
1454         {
1455                 runSrstDeasserted = 1;
1456                 lastSrst = current;
1457         }
1458
1459         if (!prevSrstAsserted && srstAsserted)
1460         {
1461                 runSrstAsserted = 1;
1462         }
1463
1464         prevSrstAsserted = srstAsserted;
1465         prevPowerdropout = powerDropout;
1466
1467         if (srstDeasserted || powerRestored)
1468         {
1469                 /* Other than logging the event we can't do anything here.
1470                  * Issuing a reset is a particularly bad idea as we might
1471                  * be inside a reset already.
1472                  */
1473         }
1474
1475         return ERROR_OK;
1476 }
1477
1478
1479 /* process target state changes */
1480 int handle_target(void *priv)
1481 {
1482         int retval = ERROR_OK;
1483
1484         /* we do not want to recurse here... */
1485         static int recursive = 0;
1486         if (! recursive)
1487         {
1488                 recursive = 1;
1489                 sense_handler();
1490                 /* danger! running these procedures can trigger srst assertions and power dropouts.
1491                  * We need to avoid an infinite loop/recursion here and we do that by
1492                  * clearing the flags after running these events.
1493                  */
1494                 int did_something = 0;
1495                 if (runSrstAsserted)
1496                 {
1497                         Jim_Eval( interp, "srst_asserted");
1498                         did_something = 1;
1499                 }
1500                 if (runSrstDeasserted)
1501                 {
1502                         Jim_Eval( interp, "srst_deasserted");
1503                         did_something = 1;
1504                 }
1505                 if (runPowerDropout)
1506                 {
1507                         Jim_Eval( interp, "power_dropout");
1508                         did_something = 1;
1509                 }
1510                 if (runPowerRestore)
1511                 {
1512                         Jim_Eval( interp, "power_restore");
1513                         did_something = 1;
1514                 }
1515
1516                 if (did_something)
1517                 {
1518                         /* clear detect flags */
1519                         sense_handler();
1520                 }
1521
1522                 /* clear action flags */
1523
1524                 runSrstAsserted=0;
1525                 runSrstDeasserted=0;
1526                 runPowerRestore=0;
1527                 runPowerDropout=0;
1528
1529                 recursive = 0;
1530         }
1531
1532         target_t *target = all_targets;
1533
1534         while (target)
1535         {
1536
1537                 /* only poll target if we've got power and srst isn't asserted */
1538                 if (target_continous_poll&&!powerDropout&&!srstAsserted)
1539                 {
1540                         /* polling may fail silently until the target has been examined */
1541                         if((retval = target_poll(target)) != ERROR_OK)
1542                                 return retval;
1543                 }
1544
1545                 target = target->next;
1546         }
1547
1548
1549         return retval;
1550 }
1551
1552 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1553 {
1554         target_t *target;
1555         reg_t *reg = NULL;
1556         int count = 0;
1557         char *value;
1558
1559         LOG_DEBUG("-");
1560
1561         target = get_current_target(cmd_ctx);
1562
1563         /* list all available registers for the current target */
1564         if (argc == 0)
1565         {
1566                 reg_cache_t *cache = target->reg_cache;
1567
1568                 count = 0;
1569                 while(cache)
1570                 {
1571                         int i;
1572                         for (i = 0; i < cache->num_regs; i++)
1573                         {
1574                                 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1575                                 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);
1576                                 free(value);
1577                         }
1578                         cache = cache->next;
1579                 }
1580
1581                 return ERROR_OK;
1582         }
1583
1584         /* access a single register by its ordinal number */
1585         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1586         {
1587                 int num = strtoul(args[0], NULL, 0);
1588                 reg_cache_t *cache = target->reg_cache;
1589
1590                 count = 0;
1591                 while(cache)
1592                 {
1593                         int i;
1594                         for (i = 0; i < cache->num_regs; i++)
1595                         {
1596                                 if (count++ == num)
1597                                 {
1598                                         reg = &cache->reg_list[i];
1599                                         break;
1600                                 }
1601                         }
1602                         if (reg)
1603                                 break;
1604                         cache = cache->next;
1605                 }
1606
1607                 if (!reg)
1608                 {
1609                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1610                         return ERROR_OK;
1611                 }
1612         } else /* access a single register by its name */
1613         {
1614                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1615
1616                 if (!reg)
1617                 {
1618                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1619                         return ERROR_OK;
1620                 }
1621         }
1622
1623         /* display a register */
1624         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1625         {
1626                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1627                         reg->valid = 0;
1628
1629                 if (reg->valid == 0)
1630                 {
1631                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1632                         arch_type->get(reg);
1633                 }
1634                 value = buf_to_str(reg->value, reg->size, 16);
1635                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1636                 free(value);
1637                 return ERROR_OK;
1638         }
1639
1640         /* set register value */
1641         if (argc == 2)
1642         {
1643                 u8 *buf = malloc(CEIL(reg->size, 8));
1644                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1645
1646                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1647                 arch_type->set(reg, buf);
1648
1649                 value = buf_to_str(reg->value, reg->size, 16);
1650                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1651                 free(value);
1652
1653                 free(buf);
1654
1655                 return ERROR_OK;
1656         }
1657
1658         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1659
1660         return ERROR_OK;
1661 }
1662
1663
1664 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1665 {
1666         int retval = ERROR_OK;
1667         target_t *target = get_current_target(cmd_ctx);
1668
1669         if (argc == 0)
1670         {
1671                 if((retval = target_poll(target)) != ERROR_OK)
1672                         return retval;
1673                 if((retval = target_arch_state(target)) != ERROR_OK)
1674                         return retval;
1675
1676         }
1677         else if (argc==1)
1678         {
1679                 if (strcmp(args[0], "on") == 0)
1680                 {
1681                         target_continous_poll = 1;
1682                 }
1683                 else if (strcmp(args[0], "off") == 0)
1684                 {
1685                         target_continous_poll = 0;
1686                 }
1687                 else
1688                 {
1689                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1690                 }
1691         } else
1692         {
1693                 return ERROR_COMMAND_SYNTAX_ERROR;
1694         }
1695
1696
1697         return retval;
1698 }
1699
1700 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1701 {
1702         int ms = 5000;
1703
1704         if (argc > 0)
1705         {
1706                 char *end;
1707
1708                 ms = strtoul(args[0], &end, 0) * 1000;
1709                 if (*end)
1710                 {
1711                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1712                         return ERROR_OK;
1713                 }
1714         }
1715         target_t *target = get_current_target(cmd_ctx);
1716
1717         return target_wait_state(target, TARGET_HALTED, ms);
1718 }
1719
1720 int target_wait_state(target_t *target, enum target_state state, int ms)
1721 {
1722         int retval;
1723         struct timeval timeout, now;
1724         int once=1;
1725         gettimeofday(&timeout, NULL);
1726         timeval_add_time(&timeout, 0, ms * 1000);
1727
1728         for (;;)
1729         {
1730                 if ((retval=target_poll(target))!=ERROR_OK)
1731                         return retval;
1732                 keep_alive();
1733                 if (target->state == state)
1734                 {
1735                         break;
1736                 }
1737                 if (once)
1738                 {
1739                         once=0;
1740                         LOG_DEBUG("waiting for target %s...",
1741                               Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1742                 }
1743
1744                 gettimeofday(&now, NULL);
1745                 if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
1746                 {
1747                         LOG_ERROR("timed out while waiting for target %s",
1748                               Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1749                         return ERROR_FAIL;
1750                 }
1751         }
1752
1753         return ERROR_OK;
1754 }
1755
1756 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1757 {
1758         int retval;
1759         target_t *target = get_current_target(cmd_ctx);
1760
1761         LOG_DEBUG("-");
1762
1763         if ((retval = target_halt(target)) != ERROR_OK)
1764         {
1765                 return retval;
1766         }
1767
1768         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1769 }
1770
1771 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1772 {
1773         target_t *target = get_current_target(cmd_ctx);
1774
1775         LOG_USER("requesting target halt and executing a soft reset");
1776
1777         target->type->soft_reset_halt(target);
1778
1779         return ERROR_OK;
1780 }
1781
1782 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1783 {
1784         const Jim_Nvp *n;
1785         enum target_reset_mode reset_mode = RESET_RUN;
1786
1787         if (argc >= 1)
1788         {
1789                 n = Jim_Nvp_name2value_simple( nvp_reset_modes, args[0] );
1790                 if( (n->name == NULL) || (n->value == RESET_UNKNOWN) ){
1791                         return ERROR_COMMAND_SYNTAX_ERROR;
1792                 }
1793                 reset_mode = n->value;
1794         }
1795
1796         /* reset *all* targets */
1797         return target_process_reset(cmd_ctx, reset_mode);
1798 }
1799
1800
1801 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1802 {
1803         int retval;
1804         target_t *target = get_current_target(cmd_ctx);
1805
1806         target_handle_event( target, TARGET_EVENT_OLD_pre_resume );
1807
1808         if (argc == 0)
1809                 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1810         else if (argc == 1)
1811                 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1812         else
1813         {
1814                 retval = ERROR_COMMAND_SYNTAX_ERROR;
1815         }
1816
1817         return retval;
1818 }
1819
1820 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1821 {
1822         target_t *target = get_current_target(cmd_ctx);
1823
1824         LOG_DEBUG("-");
1825
1826         if (argc == 0)
1827                 return target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1828
1829         if (argc == 1)
1830                 return target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1831
1832         return ERROR_OK;
1833 }
1834
1835 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1836 {
1837         const int line_bytecnt = 32;
1838         int count = 1;
1839         int size = 4;
1840         u32 address = 0;
1841         int line_modulo;
1842         int i;
1843
1844         char output[128];
1845         int output_len;
1846
1847         int retval;
1848
1849         u8 *buffer;
1850         target_t *target = get_current_target(cmd_ctx);
1851
1852         if (argc < 1)
1853                 return ERROR_OK;
1854
1855         if (argc == 2)
1856                 count = strtoul(args[1], NULL, 0);
1857
1858         address = strtoul(args[0], NULL, 0);
1859
1860
1861         switch (cmd[2])
1862         {
1863                 case 'w':
1864                         size = 4; line_modulo = line_bytecnt / 4;
1865                         break;
1866                 case 'h':
1867                         size = 2; line_modulo = line_bytecnt / 2;
1868                         break;
1869                 case 'b':
1870                         size = 1; line_modulo = line_bytecnt / 1;
1871                         break;
1872                 default:
1873                         return ERROR_OK;
1874         }
1875
1876         buffer = calloc(count, size);
1877         retval  = target->type->read_memory(target, address, size, count, buffer);
1878         if (retval == ERROR_OK)
1879         {
1880                 output_len = 0;
1881
1882                 for (i = 0; i < count; i++)
1883                 {
1884                         if (i%line_modulo == 0)
1885                                 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1886
1887                         switch (size)
1888                         {
1889                                 case 4:
1890                                         output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1891                                         break;
1892                                 case 2:
1893                                         output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1894                                         break;
1895                                 case 1:
1896                                         output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1897                                         break;
1898                         }
1899
1900                         if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1901                         {
1902                                 command_print(cmd_ctx, output);
1903                                 output_len = 0;
1904                         }
1905                 }
1906         }
1907
1908         free(buffer);
1909
1910         return retval;
1911 }
1912
1913 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1914 {
1915         u32 address = 0;
1916         u32 value = 0;
1917         int count = 1;
1918         int i;
1919         int wordsize;
1920         target_t *target = get_current_target(cmd_ctx);
1921         u8 value_buf[4];
1922
1923          if ((argc < 2) || (argc > 3))
1924                 return ERROR_COMMAND_SYNTAX_ERROR;
1925
1926         address = strtoul(args[0], NULL, 0);
1927         value = strtoul(args[1], NULL, 0);
1928         if (argc == 3)
1929                 count = strtoul(args[2], NULL, 0);
1930
1931         switch (cmd[2])
1932         {
1933                 case 'w':
1934                         wordsize = 4;
1935                         target_buffer_set_u32(target, value_buf, value);
1936                         break;
1937                 case 'h':
1938                         wordsize = 2;
1939                         target_buffer_set_u16(target, value_buf, value);
1940                         break;
1941                 case 'b':
1942                         wordsize = 1;
1943                         value_buf[0] = value;
1944                         break;
1945                 default:
1946                         return ERROR_COMMAND_SYNTAX_ERROR;
1947         }
1948         for (i=0; i<count; i++)
1949         {
1950                 int retval;
1951                 switch (wordsize)
1952                 {
1953                         case 4:
1954                                 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
1955                                 break;
1956                         case 2:
1957                                 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
1958                                 break;
1959                         case 1:
1960                                 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
1961                         break;
1962                         default:
1963                         return ERROR_OK;
1964                 }
1965                 keep_alive();
1966
1967                 if (retval!=ERROR_OK)
1968                 {
1969                         return retval;
1970                 }
1971         }
1972
1973         return ERROR_OK;
1974
1975 }
1976
1977 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1978 {
1979         u8 *buffer;
1980         u32 buf_cnt;
1981         u32 image_size;
1982         u32 min_address=0;
1983         u32 max_address=0xffffffff;
1984         int i;
1985         int retval, retvaltemp;
1986
1987         image_t image;
1988
1989         duration_t duration;
1990         char *duration_text;
1991
1992         target_t *target = get_current_target(cmd_ctx);
1993
1994         if ((argc < 1)||(argc > 5))
1995         {
1996                 return ERROR_COMMAND_SYNTAX_ERROR;
1997         }
1998
1999         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2000         if (argc >= 2)
2001         {
2002                 image.base_address_set = 1;
2003                 image.base_address = strtoul(args[1], NULL, 0);
2004         }
2005         else
2006         {
2007                 image.base_address_set = 0;
2008         }
2009
2010
2011         image.start_address_set = 0;
2012
2013         if (argc>=4)
2014         {
2015                 min_address=strtoul(args[3], NULL, 0);
2016         }
2017         if (argc>=5)
2018         {
2019                 max_address=strtoul(args[4], NULL, 0)+min_address;
2020         }
2021
2022         if (min_address>max_address)
2023         {
2024                 return ERROR_COMMAND_SYNTAX_ERROR;
2025         }
2026
2027
2028         duration_start_measure(&duration);
2029
2030         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2031         {
2032                 return ERROR_OK;
2033         }
2034
2035         image_size = 0x0;
2036         retval = ERROR_OK;
2037         for (i = 0; i < image.num_sections; i++)
2038         {
2039                 buffer = malloc(image.sections[i].size);
2040                 if (buffer == NULL)
2041                 {
2042                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2043                         break;
2044                 }
2045
2046                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2047                 {
2048                         free(buffer);
2049                         break;
2050                 }
2051
2052                 u32 offset=0;
2053                 u32 length=buf_cnt;
2054
2055
2056                 /* DANGER!!! beware of unsigned comparision here!!! */
2057
2058                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
2059                                 (image.sections[i].base_address<max_address))
2060                 {
2061                         if (image.sections[i].base_address<min_address)
2062                         {
2063                                 /* clip addresses below */
2064                                 offset+=min_address-image.sections[i].base_address;
2065                                 length-=offset;
2066                         }
2067
2068                         if (image.sections[i].base_address+buf_cnt>max_address)
2069                         {
2070                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
2071                         }
2072
2073                         if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
2074                         {
2075                                 free(buffer);
2076                                 break;
2077                         }
2078                         image_size += length;
2079                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
2080                 }
2081
2082                 free(buffer);
2083         }
2084
2085         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2086         {
2087                 image_close(&image);
2088                 return retvaltemp;
2089         }
2090
2091         if (retval==ERROR_OK)
2092         {
2093                 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2094         }
2095         free(duration_text);
2096
2097         image_close(&image);
2098
2099         return retval;
2100
2101 }
2102
2103 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2104 {
2105         fileio_t fileio;
2106
2107         u32 address;
2108         u32 size;
2109         u8 buffer[560];
2110         int retval=ERROR_OK, retvaltemp;
2111
2112         duration_t duration;
2113         char *duration_text;
2114
2115         target_t *target = get_current_target(cmd_ctx);
2116
2117         if (argc != 3)
2118         {
2119                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2120                 return ERROR_OK;
2121         }
2122
2123         address = strtoul(args[1], NULL, 0);
2124         size = strtoul(args[2], NULL, 0);
2125
2126         if ((address & 3) || (size & 3))
2127         {
2128                 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2129                 return ERROR_OK;
2130         }
2131
2132         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2133         {
2134                 return ERROR_OK;
2135         }
2136
2137         duration_start_measure(&duration);
2138
2139         while (size > 0)
2140         {
2141                 u32 size_written;
2142                 u32 this_run_size = (size > 560) ? 560 : size;
2143
2144                 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2145                 if (retval != ERROR_OK)
2146                 {
2147                         break;
2148                 }
2149
2150                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2151                 if (retval != ERROR_OK)
2152                 {
2153                         break;
2154                 }
2155
2156                 size -= this_run_size;
2157                 address += this_run_size;
2158         }
2159
2160         if((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2161                 return retvaltemp;
2162
2163         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2164                 return retvaltemp;
2165
2166         if (retval==ERROR_OK)
2167         {
2168                 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2169         }
2170         free(duration_text);
2171
2172         return ERROR_OK;
2173 }
2174
2175 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2176 {
2177         u8 *buffer;
2178         u32 buf_cnt;
2179         u32 image_size;
2180         int i;
2181         int retval, retvaltemp;
2182         u32 checksum = 0;
2183         u32 mem_checksum = 0;
2184
2185         image_t image;
2186
2187         duration_t duration;
2188         char *duration_text;
2189
2190         target_t *target = get_current_target(cmd_ctx);
2191
2192         if (argc < 1)
2193         {
2194                 return ERROR_COMMAND_SYNTAX_ERROR;
2195         }
2196
2197         if (!target)
2198         {
2199                 LOG_ERROR("no target selected");
2200                 return ERROR_FAIL;
2201         }
2202
2203         duration_start_measure(&duration);
2204
2205         if (argc >= 2)
2206         {
2207                 image.base_address_set = 1;
2208                 image.base_address = strtoul(args[1], NULL, 0);
2209         }
2210         else
2211         {
2212                 image.base_address_set = 0;
2213                 image.base_address = 0x0;
2214         }
2215
2216         image.start_address_set = 0;
2217
2218         if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2219         {
2220                 return retval;
2221         }
2222
2223         image_size = 0x0;
2224         retval=ERROR_OK;
2225         for (i = 0; i < image.num_sections; i++)
2226         {
2227                 buffer = malloc(image.sections[i].size);
2228                 if (buffer == NULL)
2229                 {
2230                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2231                         break;
2232                 }
2233                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2234                 {
2235                         free(buffer);
2236                         break;
2237                 }
2238
2239                 /* calculate checksum of image */
2240                 image_calculate_checksum( buffer, buf_cnt, &checksum );
2241
2242                 retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2243                 if( retval != ERROR_OK )
2244                 {
2245                         free(buffer);
2246                         break;
2247                 }
2248
2249                 if( checksum != mem_checksum )
2250                 {
2251                         /* failed crc checksum, fall back to a binary compare */
2252                         u8 *data;
2253
2254                         command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2255
2256                         data = (u8*)malloc(buf_cnt);
2257
2258                         /* Can we use 32bit word accesses? */
2259                         int size = 1;
2260                         int count = buf_cnt;
2261                         if ((count % 4) == 0)
2262                         {
2263                                 size *= 4;
2264                                 count /= 4;
2265                         }
2266                         retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2267                         if (retval == ERROR_OK)
2268                         {
2269                                 int t;
2270                                 for (t = 0; t < buf_cnt; t++)
2271                                 {
2272                                         if (data[t] != buffer[t])
2273                                         {
2274                                                 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]);
2275                                                 free(data);
2276                                                 free(buffer);
2277                                                 retval=ERROR_FAIL;
2278                                                 goto done;
2279                                         }
2280                                         if ((t%16384)==0)
2281                                         {
2282                                                 keep_alive();
2283                                         }
2284                                 }
2285                         }
2286
2287                         free(data);
2288                 }
2289
2290                 free(buffer);
2291                 image_size += buf_cnt;
2292         }
2293 done:
2294
2295         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2296         {
2297                 image_close(&image);
2298                 return retvaltemp;
2299         }
2300
2301         if (retval==ERROR_OK)
2302         {
2303                 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2304         }
2305         free(duration_text);
2306
2307         image_close(&image);
2308
2309         return retval;
2310 }
2311
2312 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2313 {
2314         int retval;
2315         target_t *target = get_current_target(cmd_ctx);
2316
2317         if (argc == 0)
2318         {
2319                 breakpoint_t *breakpoint = target->breakpoints;
2320
2321                 while (breakpoint)
2322                 {
2323                         if (breakpoint->type == BKPT_SOFT)
2324                         {
2325                                 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2326                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2327                                 free(buf);
2328                         }
2329                         else
2330                         {
2331                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2332                         }
2333                         breakpoint = breakpoint->next;
2334                 }
2335         }
2336         else if (argc >= 2)
2337         {
2338                 int hw = BKPT_SOFT;
2339                 u32 length = 0;
2340
2341                 length = strtoul(args[1], NULL, 0);
2342
2343                 if (argc >= 3)
2344                         if (strcmp(args[2], "hw") == 0)
2345                                 hw = BKPT_HARD;
2346
2347                 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2348                 {
2349                         LOG_ERROR("Failure setting breakpoints");
2350                 }
2351                 else
2352                 {
2353                         command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2354                 }
2355         }
2356         else
2357         {
2358                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2359         }
2360
2361         return ERROR_OK;
2362 }
2363
2364 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2365 {
2366         target_t *target = get_current_target(cmd_ctx);
2367
2368         if (argc > 0)
2369                 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2370
2371         return ERROR_OK;
2372 }
2373
2374 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2375 {
2376         target_t *target = get_current_target(cmd_ctx);
2377         int retval;
2378
2379         if (argc == 0)
2380         {
2381                 watchpoint_t *watchpoint = target->watchpoints;
2382
2383                 while (watchpoint)
2384                 {
2385                         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);
2386                         watchpoint = watchpoint->next;
2387                 }
2388         }
2389         else if (argc >= 2)
2390         {
2391                 enum watchpoint_rw type = WPT_ACCESS;
2392                 u32 data_value = 0x0;
2393                 u32 data_mask = 0xffffffff;
2394
2395                 if (argc >= 3)
2396                 {
2397                         switch(args[2][0])
2398                         {
2399                                 case 'r':
2400                                         type = WPT_READ;
2401                                         break;
2402                                 case 'w':
2403                                         type = WPT_WRITE;
2404                                         break;
2405                                 case 'a':
2406                                         type = WPT_ACCESS;
2407                                         break;
2408                                 default:
2409                                         command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2410                                         return ERROR_OK;
2411                         }
2412                 }
2413                 if (argc >= 4)
2414                 {
2415                         data_value = strtoul(args[3], NULL, 0);
2416                 }
2417                 if (argc >= 5)
2418                 {
2419                         data_mask = strtoul(args[4], NULL, 0);
2420                 }
2421
2422                 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2423                                 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2424                 {
2425                         LOG_ERROR("Failure setting breakpoints");
2426                 }
2427         }
2428         else
2429         {
2430                 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2431         }
2432
2433         return ERROR_OK;
2434 }
2435
2436 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2437 {
2438         target_t *target = get_current_target(cmd_ctx);
2439
2440         if (argc > 0)
2441                 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2442
2443         return ERROR_OK;
2444 }
2445
2446 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2447 {
2448         int retval;
2449         target_t *target = get_current_target(cmd_ctx);
2450         u32 va;
2451         u32 pa;
2452
2453         if (argc != 1)
2454         {
2455                 return ERROR_COMMAND_SYNTAX_ERROR;
2456         }
2457         va = strtoul(args[0], NULL, 0);
2458
2459         retval = target->type->virt2phys(target, va, &pa);
2460         if (retval == ERROR_OK)
2461         {
2462                 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2463         }
2464         else
2465         {
2466                 /* lower levels will have logged a detailed error which is
2467                  * forwarded to telnet/GDB session.
2468                  */
2469         }
2470         return retval;
2471 }
2472 static void writeLong(FILE *f, int l)
2473 {
2474         int i;
2475         for (i=0; i<4; i++)
2476         {
2477                 char c=(l>>(i*8))&0xff;
2478                 fwrite(&c, 1, 1, f);
2479         }
2480
2481 }
2482 static void writeString(FILE *f, char *s)
2483 {
2484         fwrite(s, 1, strlen(s), f);
2485 }
2486
2487
2488
2489 // Dump a gmon.out histogram file.
2490 static void writeGmon(u32 *samples, int sampleNum, char *filename)
2491 {
2492         int i;
2493         FILE *f=fopen(filename, "w");
2494         if (f==NULL)
2495                 return;
2496         fwrite("gmon", 1, 4, f);
2497         writeLong(f, 0x00000001); // Version
2498         writeLong(f, 0); // padding
2499         writeLong(f, 0); // padding
2500         writeLong(f, 0); // padding
2501
2502         fwrite("", 1, 1, f);  // GMON_TAG_TIME_HIST
2503
2504         // figure out bucket size
2505         u32 min=samples[0];
2506         u32 max=samples[0];
2507         for (i=0; i<sampleNum; i++)
2508         {
2509                 if (min>samples[i])
2510                 {
2511                         min=samples[i];
2512                 }
2513                 if (max<samples[i])
2514                 {
2515                         max=samples[i];
2516                 }
2517         }
2518
2519         int addressSpace=(max-min+1);
2520
2521         static int const maxBuckets=256*1024; // maximum buckets.
2522         int length=addressSpace;
2523         if (length > maxBuckets)
2524         {
2525                 length=maxBuckets;
2526         }
2527         int *buckets=malloc(sizeof(int)*length);
2528         if (buckets==NULL)
2529         {
2530                 fclose(f);
2531                 return;
2532         }
2533         memset(buckets, 0, sizeof(int)*length);
2534         for (i=0; i<sampleNum;i++)
2535         {
2536                 u32 address=samples[i];
2537                 long long a=address-min;
2538                 long long b=length-1;
2539                 long long c=addressSpace-1;
2540                 int index=(a*b)/c; // danger!!!! int32 overflows
2541                 buckets[index]++;
2542         }
2543
2544         //                         append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr))
2545         writeLong(f, min);                                      // low_pc
2546         writeLong(f, max);              // high_pc
2547         writeLong(f, length);           // # of samples
2548         writeLong(f, 64000000);                         // 64MHz
2549         writeString(f, "seconds");
2550         for (i=0; i<(15-strlen("seconds")); i++)
2551         {
2552                 fwrite("", 1, 1, f);  // padding
2553         }
2554         writeString(f, "s");
2555
2556 //                         append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size)
2557
2558         char *data=malloc(2*length);
2559         if (data!=NULL)
2560         {
2561                 for (i=0; i<length;i++)
2562                 {
2563                         int val;
2564                         val=buckets[i];
2565                         if (val>65535)
2566                         {
2567                                 val=65535;
2568                         }
2569                         data[i*2]=val&0xff;
2570                         data[i*2+1]=(val>>8)&0xff;
2571                 }
2572                 free(buckets);
2573                 fwrite(data, 1, length*2, f);
2574                 free(data);
2575         } else
2576         {
2577                 free(buckets);
2578         }
2579
2580         fclose(f);
2581 }
2582
2583 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2584 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2585 {
2586         target_t *target = get_current_target(cmd_ctx);
2587         struct timeval timeout, now;
2588
2589         gettimeofday(&timeout, NULL);
2590         if (argc!=2)
2591         {
2592                 return ERROR_COMMAND_SYNTAX_ERROR;
2593         }
2594         char *end;
2595         timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2596         if (*end)
2597         {
2598                 return ERROR_OK;
2599         }
2600
2601         command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2602
2603         static const int maxSample=10000;
2604         u32 *samples=malloc(sizeof(u32)*maxSample);
2605         if (samples==NULL)
2606                 return ERROR_OK;
2607
2608         int numSamples=0;
2609         int retval=ERROR_OK;
2610         // hopefully it is safe to cache! We want to stop/restart as quickly as possible.
2611         reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2612
2613         for (;;)
2614         {
2615                 target_poll(target);
2616                 if (target->state == TARGET_HALTED)
2617                 {
2618                         u32 t=*((u32 *)reg->value);
2619                         samples[numSamples++]=t;
2620                         retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2621                         target_poll(target);
2622                         alive_sleep(10); // sleep 10ms, i.e. <100 samples/second.
2623                 } else if (target->state == TARGET_RUNNING)
2624                 {
2625                         // We want to quickly sample the PC.
2626                         if((retval = target_halt(target)) != ERROR_OK)
2627                         {
2628                                 free(samples);
2629                                 return retval;
2630                         }
2631                 } else
2632                 {
2633                         command_print(cmd_ctx, "Target not halted or running");
2634                         retval=ERROR_OK;
2635                         break;
2636                 }
2637                 if (retval!=ERROR_OK)
2638                 {
2639                         break;
2640                 }
2641
2642                 gettimeofday(&now, NULL);
2643                 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2644                 {
2645                         command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2646                         if((retval = target_poll(target)) != ERROR_OK)
2647                         {
2648                                 free(samples);
2649                                 return retval;
2650                         }
2651                         if (target->state == TARGET_HALTED)
2652                         {
2653                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2654                         }
2655                         if((retval = target_poll(target)) != ERROR_OK)
2656                         {
2657                                 free(samples);
2658                                 return retval;
2659                         }
2660                         writeGmon(samples, numSamples, args[1]);
2661                         command_print(cmd_ctx, "Wrote %s", args[1]);
2662                         break;
2663                 }
2664         }
2665         free(samples);
2666
2667         return ERROR_OK;
2668 }
2669
2670 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2671 {
2672         char *namebuf;
2673         Jim_Obj *nameObjPtr, *valObjPtr;
2674         int result;
2675
2676         namebuf = alloc_printf("%s(%d)", varname, idx);
2677         if (!namebuf)
2678                 return JIM_ERR;
2679
2680         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2681         valObjPtr = Jim_NewIntObj(interp, val);
2682         if (!nameObjPtr || !valObjPtr)
2683         {
2684                 free(namebuf);
2685                 return JIM_ERR;
2686         }
2687
2688         Jim_IncrRefCount(nameObjPtr);
2689         Jim_IncrRefCount(valObjPtr);
2690         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2691         Jim_DecrRefCount(interp, nameObjPtr);
2692         Jim_DecrRefCount(interp, valObjPtr);
2693         free(namebuf);
2694         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2695         return result;
2696 }
2697
2698 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2699 {
2700         command_context_t *context;
2701         target_t *target;
2702
2703         context = Jim_GetAssocData(interp, "context");
2704         if (context == NULL)
2705         {
2706                 LOG_ERROR("mem2array: no command context");
2707                 return JIM_ERR;
2708         }
2709         target = get_current_target(context);
2710         if (target == NULL)
2711         {
2712                 LOG_ERROR("mem2array: no current target");
2713                 return JIM_ERR;
2714         }
2715
2716         return  target_mem2array(interp, target, argc,argv);
2717 }
2718
2719 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2720 {
2721         long l;
2722         u32 width;
2723         int len;
2724         u32 addr;
2725         u32 count;
2726         u32 v;
2727         const char *varname;
2728         u8 buffer[4096];
2729         int  i, n, e, retval;
2730
2731         /* argv[1] = name of array to receive the data
2732          * argv[2] = desired width
2733          * argv[3] = memory address
2734          * argv[4] = count of times to read
2735          */
2736         if (argc != 5) {
2737                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2738                 return JIM_ERR;
2739         }
2740         varname = Jim_GetString(argv[1], &len);
2741         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2742
2743         e = Jim_GetLong(interp, argv[2], &l);
2744         width = l;
2745         if (e != JIM_OK) {
2746                 return e;
2747         }
2748
2749         e = Jim_GetLong(interp, argv[3], &l);
2750         addr = l;
2751         if (e != JIM_OK) {
2752                 return e;
2753         }
2754         e = Jim_GetLong(interp, argv[4], &l);
2755         len = l;
2756         if (e != JIM_OK) {
2757                 return e;
2758         }
2759         switch (width) {
2760                 case 8:
2761                         width = 1;
2762                         break;
2763                 case 16:
2764                         width = 2;
2765                         break;
2766                 case 32:
2767                         width = 4;
2768                         break;
2769                 default:
2770                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2771                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2772                         return JIM_ERR;
2773         }
2774         if (len == 0) {
2775                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2776                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2777                 return JIM_ERR;
2778         }
2779         if ((addr + (len * width)) < addr) {
2780                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2781                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2782                 return JIM_ERR;
2783         }
2784         /* absurd transfer size? */
2785         if (len > 65536) {
2786                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2787                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2788                 return JIM_ERR;
2789         }
2790
2791         if ((width == 1) ||
2792                 ((width == 2) && ((addr & 1) == 0)) ||
2793                 ((width == 4) && ((addr & 3) == 0))) {
2794                 /* all is well */
2795         } else {
2796                 char buf[100];
2797                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2798                 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2799                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2800                 return JIM_ERR;
2801         }
2802
2803         /* Transfer loop */
2804
2805         /* index counter */
2806         n = 0;
2807         /* assume ok */
2808         e = JIM_OK;
2809         while (len) {
2810                 /* Slurp... in buffer size chunks */
2811
2812                 count = len; /* in objects.. */
2813                 if (count > (sizeof(buffer)/width)) {
2814                         count = (sizeof(buffer)/width);
2815                 }
2816
2817                 retval = target->type->read_memory( target, addr, width, count, buffer );
2818                 if (retval != ERROR_OK) {
2819                         /* BOO !*/
2820                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2821                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2822                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2823                         e = JIM_ERR;
2824                         len = 0;
2825                 } else {
2826                         v = 0; /* shut up gcc */
2827                         for (i = 0 ;i < count ;i++, n++) {
2828                                 switch (width) {
2829                                         case 4:
2830                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
2831                                                 break;
2832                                         case 2:
2833                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
2834                                                 break;
2835                                         case 1:
2836                                                 v = buffer[i] & 0x0ff;
2837                                                 break;
2838                                 }
2839                                 new_int_array_element(interp, varname, n, v);
2840                         }
2841                         len -= count;
2842                 }
2843         }
2844
2845         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2846
2847         return JIM_OK;
2848 }
2849
2850 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
2851 {
2852         char *namebuf;
2853         Jim_Obj *nameObjPtr, *valObjPtr;
2854         int result;
2855         long l;
2856
2857         namebuf = alloc_printf("%s(%d)", varname, idx);
2858         if (!namebuf)
2859                 return JIM_ERR;
2860
2861         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2862         if (!nameObjPtr)
2863         {
2864                 free(namebuf);
2865                 return JIM_ERR;
2866         }
2867
2868         Jim_IncrRefCount(nameObjPtr);
2869         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
2870         Jim_DecrRefCount(interp, nameObjPtr);
2871         free(namebuf);
2872         if (valObjPtr == NULL)
2873                 return JIM_ERR;
2874
2875         result = Jim_GetLong(interp, valObjPtr, &l);
2876         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
2877         *val = l;
2878         return result;
2879 }
2880
2881 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2882 {
2883         command_context_t *context;
2884         target_t *target;
2885
2886         context = Jim_GetAssocData(interp, "context");
2887         if (context == NULL){
2888                 LOG_ERROR("array2mem: no command context");
2889                 return JIM_ERR;
2890         }
2891         target = get_current_target(context);
2892         if (target == NULL){
2893                 LOG_ERROR("array2mem: no current target");
2894                 return JIM_ERR;
2895         }
2896
2897         return target_array2mem( interp,target, argc, argv );
2898 }
2899
2900
2901 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2902 {
2903         long l;
2904         u32 width;
2905         int len;
2906         u32 addr;
2907         u32 count;
2908         u32 v;
2909         const char *varname;
2910         u8 buffer[4096];
2911         int  i, n, e, retval;
2912
2913         /* argv[1] = name of array to get the data
2914          * argv[2] = desired width
2915          * argv[3] = memory address
2916          * argv[4] = count to write
2917          */
2918         if (argc != 5) {
2919                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2920                 return JIM_ERR;
2921         }
2922         varname = Jim_GetString(argv[1], &len);
2923         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2924
2925         e = Jim_GetLong(interp, argv[2], &l);
2926         width = l;
2927         if (e != JIM_OK) {
2928                 return e;
2929         }
2930
2931         e = Jim_GetLong(interp, argv[3], &l);
2932         addr = l;
2933         if (e != JIM_OK) {
2934                 return e;
2935         }
2936         e = Jim_GetLong(interp, argv[4], &l);
2937         len = l;
2938         if (e != JIM_OK) {
2939                 return e;
2940         }
2941         switch (width) {
2942                 case 8:
2943                         width = 1;
2944                         break;
2945                 case 16:
2946                         width = 2;
2947                         break;
2948                 case 32:
2949                         width = 4;
2950                         break;
2951                 default:
2952                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2953                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2954                         return JIM_ERR;
2955         }
2956         if (len == 0) {
2957                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2958                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
2959                 return JIM_ERR;
2960         }
2961         if ((addr + (len * width)) < addr) {
2962                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2963                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
2964                 return JIM_ERR;
2965         }
2966         /* absurd transfer size? */
2967         if (len > 65536) {
2968                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2969                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
2970                 return JIM_ERR;
2971         }
2972
2973         if ((width == 1) ||
2974                 ((width == 2) && ((addr & 1) == 0)) ||
2975                 ((width == 4) && ((addr & 3) == 0))) {
2976                 /* all is well */
2977         } else {
2978                 char buf[100];
2979                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2980                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
2981                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2982                 return JIM_ERR;
2983         }
2984
2985
2986         /* Transfer loop */
2987
2988         /* index counter */
2989         n = 0;
2990         /* assume ok */
2991         e = JIM_OK;
2992         while (len) {
2993                 /* Slurp... in buffer size chunks */
2994
2995                 count = len; /* in objects.. */
2996                 if (count > (sizeof(buffer)/width)) {
2997                         count = (sizeof(buffer)/width);
2998                 }
2999
3000                 v = 0; /* shut up gcc */
3001                 for (i = 0 ;i < count ;i++, n++) {
3002                         get_int_array_element(interp, varname, n, &v);
3003                         switch (width) {
3004                         case 4:
3005                                 target_buffer_set_u32(target, &buffer[i*width], v);
3006                                 break;
3007                         case 2:
3008                                 target_buffer_set_u16(target, &buffer[i*width], v);
3009                                 break;
3010                         case 1:
3011                                 buffer[i] = v & 0x0ff;
3012                                 break;
3013                         }
3014                 }
3015                 len -= count;
3016
3017                 retval = target->type->write_memory(target, addr, width, count, buffer);
3018                 if (retval != ERROR_OK) {
3019                         /* BOO !*/
3020                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
3021                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3022                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3023                         e = JIM_ERR;
3024                         len = 0;
3025                 }
3026         }
3027
3028         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3029
3030         return JIM_OK;
3031 }
3032
3033 void
3034 target_all_handle_event( enum target_event e )
3035 {
3036         target_t *target;
3037
3038
3039         LOG_DEBUG( "**all*targets: event: %d, %s",
3040                    e,
3041                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3042
3043         target = all_targets;
3044         while (target){
3045                 target_handle_event( target, e );
3046                 target = target->next;
3047         }
3048 }
3049
3050 void
3051 target_handle_event( target_t *target, enum target_event e )
3052 {
3053         target_event_action_t *teap;
3054         int done;
3055
3056         teap = target->event_action;
3057
3058         done = 0;
3059         while( teap ){
3060                 if( teap->event == e ){
3061                         done = 1;
3062                         LOG_DEBUG( "target: (%d) %s (%s) event: %d (%s) action: %s\n",
3063                                            target->target_number,
3064                                            target->cmd_name,
3065                                            target->type->name,
3066                                            e,
3067                                            Jim_Nvp_value2name_simple( nvp_target_event, e )->name,
3068                                            Jim_GetString( teap->body, NULL ) );
3069                         if (Jim_EvalObj( interp, teap->body )!=JIM_OK)
3070                         {
3071                                 Jim_PrintErrorMessage(interp);
3072                         }
3073                 }
3074                 teap = teap->next;
3075         }
3076         if( !done ){
3077                 LOG_DEBUG( "event: %d %s - no action",
3078                                    e,
3079                                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3080         }
3081 }
3082
3083 enum target_cfg_param {
3084         TCFG_TYPE,
3085         TCFG_EVENT,
3086         TCFG_WORK_AREA_VIRT,
3087         TCFG_WORK_AREA_PHYS,
3088         TCFG_WORK_AREA_SIZE,
3089         TCFG_WORK_AREA_BACKUP,
3090         TCFG_ENDIAN,
3091         TCFG_VARIANT,
3092         TCFG_CHAIN_POSITION,
3093 };
3094
3095
3096 static Jim_Nvp nvp_config_opts[] = {
3097         { .name = "-type",             .value = TCFG_TYPE },
3098         { .name = "-event",            .value = TCFG_EVENT },
3099         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3100         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3101         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3102         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3103         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3104         { .name = "-variant",          .value = TCFG_VARIANT },
3105         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3106
3107         { .name = NULL, .value = -1 }
3108 };
3109
3110
3111 static int
3112 target_configure( Jim_GetOptInfo *goi,
3113                                   target_t *target )
3114 {
3115         Jim_Nvp *n;
3116         Jim_Obj *o;
3117         jim_wide w;
3118         char *cp;
3119         int e;
3120
3121
3122         /* parse config or cget options ... */
3123         while( goi->argc > 0 ){
3124                 Jim_SetEmptyResult( goi->interp );
3125                 //Jim_GetOpt_Debug( goi );
3126
3127                 if( target->type->target_jim_configure ){
3128                         /* target defines a configure function */
3129                         /* target gets first dibs on parameters */
3130                         e = (*(target->type->target_jim_configure))( target, goi );
3131                         if( e == JIM_OK ){
3132                                 /* more? */
3133                                 continue;
3134                         }
3135                         if( e == JIM_ERR ){
3136                                 /* An error */
3137                                 return e;
3138                         }
3139                         /* otherwise we 'continue' below */
3140                 }
3141                 e = Jim_GetOpt_Nvp( goi, nvp_config_opts, &n );
3142                 if( e != JIM_OK ){
3143                         Jim_GetOpt_NvpUnknown( goi, nvp_config_opts, 0 );
3144                         return e;
3145                 }
3146                 switch( n->value ){
3147                 case TCFG_TYPE:
3148                         /* not setable */
3149                         if( goi->isconfigure ){
3150                                 Jim_SetResult_sprintf( goi->interp, "not setable: %s", n->name );
3151                                 return JIM_ERR;
3152                         } else {
3153                         no_params:
3154                                 if( goi->argc != 0 ){
3155                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "NO PARAMS");
3156                                         return JIM_ERR;
3157                                 }
3158                         }
3159                         Jim_SetResultString( goi->interp, target->type->name, -1 );
3160                         /* loop for more */
3161                         break;
3162                 case TCFG_EVENT:
3163                         if( goi->argc == 0 ){
3164                                 Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3165                                 return JIM_ERR;
3166                         }
3167
3168                         e = Jim_GetOpt_Nvp( goi, nvp_target_event, &n );
3169                         if( e != JIM_OK ){
3170                                 Jim_GetOpt_NvpUnknown( goi, nvp_target_event, 1 );
3171                                 return e;
3172                         }
3173
3174                         if( goi->isconfigure ){
3175                                 if( goi->argc != 1 ){
3176                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3177                                         return JIM_ERR;
3178                                 }
3179                         } else {
3180                                 if( goi->argc != 0 ){
3181                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3182                                         return JIM_ERR;
3183                                 }
3184                         }
3185
3186
3187                         {
3188                                 target_event_action_t *teap;
3189
3190                                 teap = target->event_action;
3191                                 /* replace existing? */
3192                                 while( teap ){
3193                                         if( teap->event == n->value ){
3194                                                 break;
3195                                         }
3196                                         teap = teap->next;
3197                                 }
3198
3199                                 if( goi->isconfigure ){
3200                                         if( teap == NULL ){
3201                                                 /* create new */
3202                                                 teap = calloc( 1, sizeof(*teap) );
3203                                         }
3204                                         teap->event = n->value;
3205                                         Jim_GetOpt_Obj( goi, &o );
3206                                         if( teap->body ){
3207                                                 Jim_DecrRefCount( interp, teap->body );
3208                                         }
3209                                         teap->body  = Jim_DuplicateObj( goi->interp, o );
3210                                         /*
3211                                          * FIXME:
3212                                          *     Tcl/TK - "tk events" have a nice feature.
3213                                          *     See the "BIND" command.
3214                                          *    We should support that here.
3215                                          *     You can specify %X and %Y in the event code.
3216                                          *     The idea is: %T - target name.
3217                                          *     The idea is: %N - target number
3218                                          *     The idea is: %E - event name.
3219                                          */
3220                                         Jim_IncrRefCount( teap->body );
3221
3222                                         /* add to head of event list */
3223                                         teap->next = target->event_action;
3224                                         target->event_action = teap;
3225                                         Jim_SetEmptyResult(goi->interp);
3226                                 } else {
3227                                         /* get */
3228                                         if( teap == NULL ){
3229                                                 Jim_SetEmptyResult( goi->interp );
3230                                         } else {
3231                                                 Jim_SetResult( goi->interp, Jim_DuplicateObj( goi->interp, teap->body ) );
3232                                         }
3233                                 }
3234                         }
3235                         /* loop for more */
3236                         break;
3237
3238                 case TCFG_WORK_AREA_VIRT:
3239                         if( goi->isconfigure ){
3240                                 target_free_all_working_areas(target);
3241                                 e = Jim_GetOpt_Wide( goi, &w );
3242                                 if( e != JIM_OK ){
3243                                         return e;
3244                                 }
3245                                 target->working_area_virt = w;
3246                         } else {
3247                                 if( goi->argc != 0 ){
3248                                         goto no_params;
3249                                 }
3250                         }
3251                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_virt ) );
3252                         /* loop for more */
3253                         break;
3254
3255                 case TCFG_WORK_AREA_PHYS:
3256                         if( goi->isconfigure ){
3257                                 target_free_all_working_areas(target);
3258                                 e = Jim_GetOpt_Wide( goi, &w );
3259                                 if( e != JIM_OK ){
3260                                         return e;
3261                                 }
3262                                 target->working_area_phys = w;
3263                         } else {
3264                                 if( goi->argc != 0 ){
3265                                         goto no_params;
3266                                 }
3267                         }
3268                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_phys ) );
3269                         /* loop for more */
3270                         break;
3271
3272                 case TCFG_WORK_AREA_SIZE:
3273                         if( goi->isconfigure ){
3274                                 target_free_all_working_areas(target);
3275                                 e = Jim_GetOpt_Wide( goi, &w );
3276                                 if( e != JIM_OK ){
3277                                         return e;
3278                                 }
3279                                 target->working_area_size = w;
3280                         } else {
3281                                 if( goi->argc != 0 ){
3282                                         goto no_params;
3283                                 }
3284                         }
3285                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3286                         /* loop for more */
3287                         break;
3288
3289                 case TCFG_WORK_AREA_BACKUP:
3290                         if( goi->isconfigure ){
3291                                 target_free_all_working_areas(target);
3292                                 e = Jim_GetOpt_Wide( goi, &w );
3293                                 if( e != JIM_OK ){
3294                                         return e;
3295                                 }
3296                                 /* make this exactly 1 or 0 */
3297                                 target->backup_working_area = (!!w);
3298                         } else {
3299                                 if( goi->argc != 0 ){
3300                                         goto no_params;
3301                                 }
3302                         }
3303                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3304                         /* loop for more e*/
3305                         break;
3306
3307                 case TCFG_ENDIAN:
3308                         if( goi->isconfigure ){
3309                                 e = Jim_GetOpt_Nvp( goi, nvp_target_endian, &n );
3310                                 if( e != JIM_OK ){
3311                                         Jim_GetOpt_NvpUnknown( goi, nvp_target_endian, 1 );
3312                                         return e;
3313                                 }
3314                                 target->endianness = n->value;
3315                         } else {
3316                                 if( goi->argc != 0 ){
3317                                         goto no_params;
3318                                 }
3319                         }
3320                         n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3321                         if( n->name == NULL ){
3322                                 target->endianness = TARGET_LITTLE_ENDIAN;
3323                                 n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3324                         }
3325                         Jim_SetResultString( goi->interp, n->name, -1 );
3326                         /* loop for more */
3327                         break;
3328
3329                 case TCFG_VARIANT:
3330                         if( goi->isconfigure ){
3331                                 if( goi->argc < 1 ){
3332                                         Jim_SetResult_sprintf( goi->interp,
3333                                                                                    "%s ?STRING?",
3334                                                                                    n->name );
3335                                         return JIM_ERR;
3336                                 }
3337                                 if( target->variant ){
3338                                         free((void *)(target->variant));
3339                                 }
3340                                 e = Jim_GetOpt_String( goi, &cp, NULL );
3341                                 target->variant = strdup(cp);
3342                         } else {
3343                                 if( goi->argc != 0 ){
3344                                         goto no_params;
3345                                 }
3346                         }
3347                         Jim_SetResultString( goi->interp, target->variant,-1 );
3348                         /* loop for more */
3349                         break;
3350                 case TCFG_CHAIN_POSITION:
3351                         if( goi->isconfigure ){
3352                                 target_free_all_working_areas(target);
3353                                 e = Jim_GetOpt_Wide( goi, &w );
3354                                 if( e != JIM_OK ){
3355                                         return e;
3356                                 }
3357                                 if (jtag_get_device(w)==NULL)
3358                                         return JIM_ERR;
3359
3360                                 /* make this exactly 1 or 0 */
3361                                 target->chain_position = w;
3362                         } else {
3363                                 if( goi->argc != 0 ){
3364                                         goto no_params;
3365                                 }
3366                         }
3367                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->chain_position ) );
3368                         /* loop for more e*/
3369                         break;
3370                 }
3371         } /* while( goi->argc ) */
3372                 /* done - we return */
3373         return JIM_OK;
3374 }
3375
3376
3377 /** this is the 'tcl' handler for the target specific command */
3378 static int
3379 tcl_target_func( Jim_Interp *interp,
3380                                  int argc,
3381                                  Jim_Obj *const *argv )
3382 {
3383         Jim_GetOptInfo goi;
3384         jim_wide a,b,c;
3385         int x,y,z;
3386         u8  target_buf[32];
3387         Jim_Nvp *n;
3388         target_t *target;
3389         struct command_context_s *cmd_ctx;
3390         int e;
3391
3392
3393         enum {
3394                 TS_CMD_CONFIGURE,
3395                 TS_CMD_CGET,
3396
3397                 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3398                 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3399                 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3400                 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3401                 TS_CMD_EXAMINE,
3402                 TS_CMD_POLL,
3403                 TS_CMD_RESET,
3404                 TS_CMD_HALT,
3405                 TS_CMD_WAITSTATE,
3406                 TS_CMD_EVENTLIST,
3407                 TS_CMD_CURSTATE,
3408                 TS_CMD_INVOKE_EVENT,
3409         };
3410
3411         static const Jim_Nvp target_options[] = {
3412                 { .name = "configure", .value = TS_CMD_CONFIGURE },
3413                 { .name = "cget", .value = TS_CMD_CGET },
3414                 { .name = "mww", .value = TS_CMD_MWW },
3415                 { .name = "mwh", .value = TS_CMD_MWH },
3416                 { .name = "mwb", .value = TS_CMD_MWB },
3417                 { .name = "mdw", .value = TS_CMD_MDW },
3418                 { .name = "mdh", .value = TS_CMD_MDH },
3419                 { .name = "mdb", .value = TS_CMD_MDB },
3420                 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3421                 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3422                 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3423                 { .name = "curstate",  .value = TS_CMD_CURSTATE },
3424
3425                 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3426                 { .name = "arp_poll", .value = TS_CMD_POLL },
3427                 { .name = "arp_reset", .value = TS_CMD_RESET },
3428                 { .name = "arp_halt", .value = TS_CMD_HALT },
3429                 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3430                 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3431
3432                 { .name = NULL, .value = -1 },
3433         };
3434
3435
3436         /* go past the "command" */
3437         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3438
3439         target = Jim_CmdPrivData( goi.interp );
3440         cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3441
3442         /* commands here are in an NVP table */
3443         e = Jim_GetOpt_Nvp( &goi, target_options, &n );
3444         if( e != JIM_OK ){
3445                 Jim_GetOpt_NvpUnknown( &goi, target_options, 0 );
3446                 return e;
3447         }
3448         // Assume blank result
3449         Jim_SetEmptyResult( goi.interp );
3450
3451         switch( n->value ){
3452         case TS_CMD_CONFIGURE:
3453                 if( goi.argc < 2 ){
3454                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3455                         return JIM_ERR;
3456                 }
3457                 goi.isconfigure = 1;
3458                 return target_configure( &goi, target );
3459         case TS_CMD_CGET:
3460                 // some things take params
3461                 if( goi.argc < 1 ){
3462                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "missing: ?-option?");
3463                         return JIM_ERR;
3464                 }
3465                 goi.isconfigure = 0;
3466                 return target_configure( &goi, target );
3467                 break;
3468         case TS_CMD_MWW:
3469         case TS_CMD_MWH:
3470         case TS_CMD_MWB:
3471                 /* argv[0] = cmd
3472                  * argv[1] = address
3473                  * argv[2] = data
3474                  * argv[3] = optional count.
3475                  */
3476
3477                 if( (goi.argc == 3) || (goi.argc == 4) ){
3478                         /* all is well */
3479                 } else {
3480                 mwx_error:
3481                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR DATA [COUNT]", n->name );
3482                         return JIM_ERR;
3483                 }
3484
3485                 e = Jim_GetOpt_Wide( &goi, &a );
3486                 if( e != JIM_OK ){
3487                         goto mwx_error;
3488                 }
3489
3490                 e = Jim_GetOpt_Wide( &goi, &b );
3491                 if( e != JIM_OK ){
3492                         goto mwx_error;
3493                 }
3494                 if( goi.argc ){
3495                         e = Jim_GetOpt_Wide( &goi, &c );
3496                         if( e != JIM_OK ){
3497                                 goto mwx_error;
3498                         }
3499                 } else {
3500                         c = 1;
3501                 }
3502
3503                 switch( n->value ){
3504                 case TS_CMD_MWW:
3505                         target_buffer_set_u32( target, target_buf, b );
3506                         b = 4;
3507                         break;
3508                 case TS_CMD_MWH:
3509                         target_buffer_set_u16( target, target_buf, b );
3510                         b = 2;
3511                         break;
3512                 case TS_CMD_MWB:
3513                         target_buffer_set_u8( target, target_buf, b );
3514                         b = 1;
3515                         break;
3516                 }
3517                 for( x = 0 ; x < c ; x++ ){
3518                         e = target->type->write_memory( target, a, b, 1, target_buf );
3519                         if( e != ERROR_OK ){
3520                                 Jim_SetResult_sprintf( interp, "Error writing @ 0x%08x: %d\n", (int)(a), e );
3521                                 return JIM_ERR;
3522                         }
3523                         /* b = width */
3524                         a = a + b;
3525                 }
3526                 return JIM_OK;
3527                 break;
3528
3529                 /* display */
3530         case TS_CMD_MDW:
3531         case TS_CMD_MDH:
3532         case TS_CMD_MDB:
3533                 /* argv[0] = command
3534                  * argv[1] = address
3535                  * argv[2] = optional count
3536                  */
3537                 if( (goi.argc == 2) || (goi.argc == 3) ){
3538                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR [COUNT]", n->name );
3539                         return JIM_ERR;
3540                 }
3541                 e = Jim_GetOpt_Wide( &goi, &a );
3542                 if( e != JIM_OK ){
3543                         return JIM_ERR;
3544                 }
3545                 if( goi.argc ){
3546                         e = Jim_GetOpt_Wide( &goi, &c );
3547                         if( e != JIM_OK ){
3548                                 return JIM_ERR;
3549                         }
3550                 } else {
3551                         c = 1;
3552                 }
3553                 b = 1; /* shut up gcc */
3554                 switch( n->value ){
3555                 case TS_CMD_MDW:
3556                         b =  4;
3557                         break;
3558                 case TS_CMD_MDH:
3559                         b = 2;
3560                         break;
3561                 case TS_CMD_MDB:
3562                         b = 1;
3563                         break;
3564                 }
3565
3566                 /* convert to "bytes" */
3567                 c = c * b;
3568                 /* count is now in 'BYTES' */
3569                 while( c > 0 ){
3570                         y = c;
3571                         if( y > 16 ){
3572                                 y = 16;
3573                         }
3574                         e = target->type->read_memory( target, a, b, y / b, target_buf );
3575                         if( e != ERROR_OK ){
3576                                 Jim_SetResult_sprintf( interp, "error reading target @ 0x%08lx", (int)(a) );
3577                                 return JIM_ERR;
3578                         }
3579
3580                         Jim_fprintf( interp, interp->cookie_stdout, "0x%08x ", (int)(a) );
3581                         switch( b ){
3582                         case 4:
3583                                 for( x = 0 ; (x < 16) && (x < y) ; x += 4 ){
3584                                         z = target_buffer_get_u32( target, &(target_buf[ x * 4 ]) );
3585                                         Jim_fprintf( interp, interp->cookie_stdout, "%08x ", (int)(z) );
3586                                 }
3587                                 for( ; (x < 16) ; x += 4 ){
3588                                         Jim_fprintf( interp, interp->cookie_stdout, "         " );
3589                                 }
3590                                 break;
3591                         case 2:
3592                                 for( x = 0 ; (x < 16) && (x < y) ; x += 2 ){
3593                                         z = target_buffer_get_u16( target, &(target_buf[ x * 2 ]) );
3594                                         Jim_fprintf( interp, interp->cookie_stdout, "%04x ", (int)(z) );
3595                                 }
3596                                 for( ; (x < 16) ; x += 2 ){
3597                                         Jim_fprintf( interp, interp->cookie_stdout, "     " );
3598                                 }
3599                                 break;
3600                         case 1:
3601                         default:
3602                                 for( x = 0 ; (x < 16) && (x < y) ; x += 1 ){
3603                                         z = target_buffer_get_u8( target, &(target_buf[ x * 4 ]) );
3604                                         Jim_fprintf( interp, interp->cookie_stdout, "%02x ", (int)(z) );
3605                                 }
3606                                 for( ; (x < 16) ; x += 1 ){
3607                                         Jim_fprintf( interp, interp->cookie_stdout, "   " );
3608                                 }
3609                                 break;
3610                         }
3611                         /* ascii-ify the bytes */
3612                         for( x = 0 ; x < y ; x++ ){
3613                                 if( (target_buf[x] >= 0x20) &&
3614                                         (target_buf[x] <= 0x7e) ){
3615                                         /* good */
3616                                 } else {
3617                                         /* smack it */
3618                                         target_buf[x] = '.';
3619                                 }
3620                         }
3621                         /* space pad  */
3622                         while( x < 16 ){
3623                                 target_buf[x] = ' ';
3624                                 x++;
3625                         }
3626                         /* terminate */
3627                         target_buf[16] = 0;
3628                         /* print - with a newline */
3629                         Jim_fprintf( interp, interp->cookie_stdout, "%s\n", target_buf );
3630                         /* NEXT... */
3631                         c -= 16;
3632                         a += 16;
3633                 }
3634                 return JIM_OK;
3635         case TS_CMD_MEM2ARRAY:
3636                 return target_mem2array( goi.interp, target, goi.argc, goi.argv );
3637                 break;
3638         case TS_CMD_ARRAY2MEM:
3639                 return target_array2mem( goi.interp, target, goi.argc, goi.argv );
3640                 break;
3641         case TS_CMD_EXAMINE:
3642                 if( goi.argc ){
3643                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3644                         return JIM_ERR;
3645                 }
3646                 e = target->type->examine( target );
3647                 if( e != ERROR_OK ){
3648                         Jim_SetResult_sprintf( interp, "examine-fails: %d", e );
3649                         return JIM_ERR;
3650                 }
3651                 return JIM_OK;
3652         case TS_CMD_POLL:
3653                 if( goi.argc ){
3654                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3655                         return JIM_ERR;
3656                 }
3657                 if( !(target->type->examined) ){
3658                         e = ERROR_TARGET_NOT_EXAMINED;
3659                 } else {
3660                         e = target->type->poll( target );
3661                 }
3662                 if( e != ERROR_OK ){
3663                         Jim_SetResult_sprintf( interp, "poll-fails: %d", e );
3664                         return JIM_ERR;
3665                 } else {
3666                         return JIM_OK;
3667                 }
3668                 break;
3669         case TS_CMD_RESET:
3670                 if( goi.argc != 2 ){
3671                         Jim_WrongNumArgs( interp, 2, argv, "t|f|assert|deassert BOOL");
3672                         return JIM_ERR;
3673                 }
3674                 e = Jim_GetOpt_Nvp( &goi, nvp_assert, &n );
3675                 if( e != JIM_OK ){
3676                         Jim_GetOpt_NvpUnknown( &goi, nvp_assert, 1 );
3677                         return e;
3678                 }
3679                 // the halt or not param
3680                 e = Jim_GetOpt_Wide( &goi, &a);
3681                 if( e != JIM_OK ){
3682                         return e;
3683                 }
3684                 // determine if we should halt or not.
3685                 target->reset_halt = !!a;
3686                 // When this happens - all workareas are invalid.
3687                 target_free_all_working_areas_restore(target, 0);
3688
3689                 // do the assert
3690                 if( n->value == NVP_ASSERT ){
3691                         target->type->assert_reset( target );
3692                 } else {
3693                         target->type->deassert_reset( target );
3694                 }
3695                 return JIM_OK;
3696         case TS_CMD_HALT:
3697                 if( goi.argc ){
3698                         Jim_WrongNumArgs( goi.interp, 0, argv, "halt [no parameters]");
3699                         return JIM_ERR;
3700                 }
3701                 target->type->halt( target );
3702                 return JIM_OK;
3703         case TS_CMD_WAITSTATE:
3704                 // params:  <name>  statename timeoutmsecs
3705                 if( goi.argc != 2 ){
3706                         Jim_SetResult_sprintf( goi.interp, "%s STATENAME TIMEOUTMSECS", n->name );
3707                         return JIM_ERR;
3708                 }
3709                 e = Jim_GetOpt_Nvp( &goi, nvp_target_state, &n );
3710                 if( e != JIM_OK ){
3711                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_state,1 );
3712                         return e;
3713                 }
3714                 e = Jim_GetOpt_Wide( &goi, &a );
3715                 if( e != JIM_OK ){
3716                         return e;
3717                 }
3718                 e = target_wait_state( target, n->value, a );
3719                 if( e != ERROR_OK ){
3720                         Jim_SetResult_sprintf( goi.interp,
3721                                                                    "target: %s wait %s fails (%d) %s",
3722                                                                    target->cmd_name,
3723                                                                    n->name,
3724                                                e, target_strerror_safe(e) );
3725                         return JIM_ERR;
3726                 } else {
3727                         return JIM_OK;
3728                 }
3729         case TS_CMD_EVENTLIST:
3730                 /* List for human, Events defined for this target.
3731                  * scripts/programs should use 'name cget -event NAME'
3732                  */
3733                 {
3734                         target_event_action_t *teap;
3735                         teap = target->event_action;
3736                         command_print( cmd_ctx, "Event actions for target (%d) %s\n",
3737                                                    target->target_number,
3738                                                    target->cmd_name );
3739                         command_print( cmd_ctx, "%-25s | Body", "Event");
3740                         command_print( cmd_ctx, "------------------------- | ----------------------------------------");
3741                         while( teap ){
3742                                 command_print( cmd_ctx,
3743                                                            "%-25s | %s",
3744                                                            Jim_Nvp_value2name_simple( nvp_target_event, teap->event )->name,
3745                                                            Jim_GetString( teap->body, NULL ) );
3746                                 teap = teap->next;
3747                         }
3748                         command_print( cmd_ctx, "***END***");
3749                         return JIM_OK;
3750                 }
3751         case TS_CMD_CURSTATE:
3752                 if( goi.argc != 0 ){
3753                         Jim_WrongNumArgs( goi.interp, 0, argv, "[no parameters]");
3754                         return JIM_ERR;
3755                 }
3756                 Jim_SetResultString( goi.interp,
3757                                                          Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name,-1);
3758                 return JIM_OK;
3759         case TS_CMD_INVOKE_EVENT:
3760                 if( goi.argc != 1 ){
3761                         Jim_SetResult_sprintf( goi.interp, "%s ?EVENTNAME?",n->name);
3762                         return JIM_ERR;
3763                 }
3764                 e = Jim_GetOpt_Nvp( &goi, nvp_target_event, &n );
3765                 if( e != JIM_OK ){
3766                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_event, 1 );
3767                         return e;
3768                 }
3769                 target_handle_event( target, n->value );
3770                 return JIM_OK;
3771         }
3772         return JIM_ERR;
3773 }
3774
3775
3776 static int
3777 target_create( Jim_GetOptInfo *goi )
3778 {
3779
3780         Jim_Obj *new_cmd;
3781         Jim_Cmd *cmd;
3782         const char *cp;
3783         char *cp2;
3784         int e;
3785         int x;
3786         target_t *target;
3787         struct command_context_s *cmd_ctx;
3788
3789         cmd_ctx = Jim_GetAssocData(goi->interp, "context");
3790         if( goi->argc < 3 ){
3791                 Jim_WrongNumArgs( goi->interp, 1, goi->argv, "?name? ?type? ..options...");
3792                 return JIM_ERR;
3793         }
3794
3795         /* COMMAND */
3796         Jim_GetOpt_Obj( goi, &new_cmd );
3797         /* does this command exist? */
3798         cmd = Jim_GetCommand( goi->interp, new_cmd, JIM_ERRMSG );
3799         if( cmd ){
3800                 cp = Jim_GetString( new_cmd, NULL );
3801                 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
3802                 return JIM_ERR;
3803         }
3804
3805         /* TYPE */
3806         e = Jim_GetOpt_String( goi, &cp2, NULL );
3807         cp = cp2;
3808         /* now does target type exist */
3809         for( x = 0 ; target_types[x] ; x++ ){
3810                 if( 0 == strcmp( cp, target_types[x]->name ) ){
3811                         /* found */
3812                         break;
3813                 }
3814         }
3815         if( target_types[x] == NULL ){
3816                 Jim_SetResult_sprintf( goi->interp, "Unknown target type %s, try one of ", cp );
3817                 for( x = 0 ; target_types[x] ; x++ ){
3818                         if( target_types[x+1] ){
3819                                 Jim_AppendStrings( goi->interp,
3820                                                                    Jim_GetResult(goi->interp),
3821                                                                    target_types[x]->name,
3822                                                                    ", ", NULL);
3823                         } else {
3824                                 Jim_AppendStrings( goi->interp,
3825                                                                    Jim_GetResult(goi->interp),
3826                                                                    " or ",
3827                                                                    target_types[x]->name,NULL );
3828                         }
3829                 }
3830                 return JIM_ERR;
3831         }
3832
3833
3834         /* Create it */
3835         target = calloc(1,sizeof(target_t));
3836         /* set target number */
3837         target->target_number = new_target_number();
3838
3839         /* allocate memory for each unique target type */
3840         target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
3841
3842         memcpy( target->type, target_types[x], sizeof(target_type_t));
3843
3844         /* will be set by "-endian" */
3845         target->endianness = TARGET_ENDIAN_UNKNOWN;
3846
3847         target->working_area        = 0x0;
3848         target->working_area_size   = 0x0;
3849         target->working_areas       = NULL;
3850         target->backup_working_area = 0;
3851
3852         target->state               = TARGET_UNKNOWN;
3853         target->debug_reason        = DBG_REASON_UNDEFINED;
3854         target->reg_cache           = NULL;
3855         target->breakpoints         = NULL;
3856         target->watchpoints         = NULL;
3857         target->next                = NULL;
3858         target->arch_info           = NULL;
3859
3860         target->display             = 1;
3861
3862         /* initialize trace information */
3863         target->trace_info = malloc(sizeof(trace_t));
3864         target->trace_info->num_trace_points         = 0;
3865         target->trace_info->trace_points_size        = 0;
3866         target->trace_info->trace_points             = NULL;
3867         target->trace_info->trace_history_size       = 0;
3868         target->trace_info->trace_history            = NULL;
3869         target->trace_info->trace_history_pos        = 0;
3870         target->trace_info->trace_history_overflowed = 0;
3871
3872         target->dbgmsg          = NULL;
3873         target->dbg_msg_enabled = 0;
3874
3875         target->endianness = TARGET_ENDIAN_UNKNOWN;
3876
3877         /* Do the rest as "configure" options */
3878         goi->isconfigure = 1;
3879         e = target_configure( goi, target);
3880         if( e != JIM_OK ){
3881                 free( target->type );
3882                 free( target );
3883                 return e;
3884         }
3885
3886         if( target->endianness == TARGET_ENDIAN_UNKNOWN ){
3887                 /* default endian to little if not specified */
3888                 target->endianness = TARGET_LITTLE_ENDIAN;
3889         }
3890
3891         /* create the target specific commands */
3892         if( target->type->register_commands ){
3893                 (*(target->type->register_commands))( cmd_ctx );
3894         }
3895         if( target->type->target_create ){
3896                 (*(target->type->target_create))( target, goi->interp );
3897         }
3898
3899         /* append to end of list */
3900         {
3901                 target_t **tpp;
3902                 tpp = &(all_targets);
3903                 while( *tpp ){
3904                         tpp = &( (*tpp)->next );
3905                 }
3906                 *tpp = target;
3907         }
3908
3909         cp = Jim_GetString( new_cmd, NULL );
3910         target->cmd_name = strdup(cp);
3911
3912         /* now - create the new target name command */
3913         e = Jim_CreateCommand( goi->interp,
3914                                                    /* name */
3915                                                    cp,
3916                                                    tcl_target_func, /* C function */
3917                                                    target, /* private data */
3918                                                    NULL ); /* no del proc */
3919
3920         return e;
3921 }
3922
3923 static int
3924 jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3925 {
3926         int x,r,e;
3927         jim_wide w;
3928         struct command_context_s *cmd_ctx;
3929         target_t *target;
3930         Jim_GetOptInfo goi;
3931         enum tcmd {
3932                 /* TG = target generic */
3933                 TG_CMD_CREATE,
3934                 TG_CMD_TYPES,
3935                 TG_CMD_NAMES,
3936                 TG_CMD_CURRENT,
3937                 TG_CMD_NUMBER,
3938                 TG_CMD_COUNT,
3939         };
3940         const char *target_cmds[] = {
3941                 "create", "types", "names", "current", "number",
3942                 "count",
3943                 NULL // terminate
3944         };
3945
3946         LOG_DEBUG("Target command params:");
3947         LOG_DEBUG(Jim_Debug_ArgvString( interp, argc, argv) );
3948
3949         cmd_ctx = Jim_GetAssocData( interp, "context" );
3950
3951         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3952
3953         if( goi.argc == 0 ){
3954                 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
3955                 return JIM_ERR;
3956         }
3957
3958         //Jim_GetOpt_Debug( &goi );
3959         r = Jim_GetOpt_Enum( &goi, target_cmds, &x   );
3960         if( r != JIM_OK ){
3961                 return r;
3962         }
3963
3964         switch(x){
3965         default:
3966                 Jim_Panic(goi.interp,"Why am I here?");
3967                 return JIM_ERR;
3968         case TG_CMD_CURRENT:
3969                 if( goi.argc != 0 ){
3970                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters");
3971                         return JIM_ERR;
3972                 }
3973                 Jim_SetResultString( goi.interp, get_current_target( cmd_ctx )->cmd_name, -1 );
3974                 return JIM_OK;
3975         case TG_CMD_TYPES:
3976                 if( goi.argc != 0 ){
3977                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
3978                         return JIM_ERR;
3979                 }
3980                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
3981                 for( x = 0 ; target_types[x] ; x++ ){
3982                         Jim_ListAppendElement( goi.interp,
3983                                                                    Jim_GetResult(goi.interp),
3984                                                                    Jim_NewStringObj( goi.interp, target_types[x]->name, -1 ) );
3985                 }
3986                 return JIM_OK;
3987         case TG_CMD_NAMES:
3988                 if( goi.argc != 0 ){
3989                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
3990                         return JIM_ERR;
3991                 }
3992                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
3993                 target = all_targets;
3994                 while( target ){
3995                         Jim_ListAppendElement( goi.interp,
3996                                                                    Jim_GetResult(goi.interp),
3997                                                                    Jim_NewStringObj( goi.interp, target->cmd_name, -1 ) );
3998                         target = target->next;
3999                 }
4000                 return JIM_OK;
4001         case TG_CMD_CREATE:
4002                 if( goi.argc < 3 ){
4003                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "?name  ... config options ...");
4004                         return JIM_ERR;
4005                 }
4006                 return target_create( &goi );
4007                 break;
4008         case TG_CMD_NUMBER:
4009                 if( goi.argc != 1 ){
4010                         Jim_SetResult_sprintf( goi.interp, "expected: target number ?NUMBER?");
4011                         return JIM_ERR;
4012                 }
4013                 e = Jim_GetOpt_Wide( &goi, &w );
4014                 if( e != JIM_OK ){
4015                         return JIM_ERR;
4016                 }
4017                 {
4018                         target_t *t;
4019                         t = get_target_by_num(w);
4020                         if( t == NULL ){
4021                                 Jim_SetResult_sprintf( goi.interp,"Target: number %d does not exist", (int)(w));
4022                                 return JIM_ERR;
4023                         }
4024                         Jim_SetResultString( goi.interp, t->cmd_name, -1 );
4025                         return JIM_OK;
4026                 }
4027         case TG_CMD_COUNT:
4028                 if( goi.argc != 0 ){
4029                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "<no parameters>");
4030                         return JIM_ERR;
4031                 }
4032                 Jim_SetResult( goi.interp,
4033                                            Jim_NewIntObj( goi.interp, max_target_number()));
4034                 return JIM_OK;
4035         }
4036
4037         return JIM_ERR;
4038 }