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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 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  65
  66 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  67 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  68 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  69 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  70 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  71 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  72 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  73 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  74 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  75 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  76 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  77 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  78 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  79 int handle_test_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 int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  87 int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  88
  89 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  90 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  91 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  92
  93 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  94 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  95
  96 /* targets */
  97 extern target_type_t arm7tdmi_target;
  98 extern target_type_t arm720t_target;
  99 extern target_type_t arm9tdmi_target;
 100 extern target_type_t arm920t_target;
 101 extern target_type_t arm966e_target;
 102 extern target_type_t arm926ejs_target;
 103 extern target_type_t feroceon_target;
 104 extern target_type_t xscale_target;
 105 extern target_type_t cortexm3_target;
 106 extern target_type_t arm11_target;
 107 extern target_type_t mips_m4k_target;
 108
 109 target_type_t *target_types[] =
 110 {
 111         &arm7tdmi_target,
 112         &arm9tdmi_target,
 113         &arm920t_target,
 114         &arm720t_target,
 115         &arm966e_target,
 116         &arm926ejs_target,
 117         &feroceon_target,
 118         &xscale_target,
 119         &cortexm3_target,
 120         &arm11_target,
 121         &mips_m4k_target,
 122         NULL,
 123 };
 124
 125 target_t *all_targets = NULL;
 126 target_event_callback_t *target_event_callbacks = NULL;
 127 target_timer_callback_t *target_timer_callbacks = NULL;
 128
 129 const Jim_Nvp nvp_assert[] = {
 130         { .name = "assert", NVP_ASSERT },
 131         { .name = "deassert", NVP_DEASSERT },
 132         { .name = "T", NVP_ASSERT },
 133         { .name = "F", NVP_DEASSERT },
 134         { .name = "t", NVP_ASSERT },
 135         { .name = "f", NVP_DEASSERT },
 136         { .name = NULL, .value = -1 }
 137 };
 138
 139 const Jim_Nvp nvp_error_target[] = {
 140         { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
 141         { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
 142         { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
 143         { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
 144         { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
 145         { .value = ERROR_TARGET_UNALIGNED_ACCESS   , .name = "err-unaligned-access" },
 146         { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
 147         { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
 148         { .value = ERROR_TARGET_TRANSLATION_FAULT  , .name = "err-translation-fault" },
 149         { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
 150         { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
 151         { .value = -1, .name = NULL }
 152 };
 153
 154 const char *target_strerror_safe( int err )
 155 {
 156         const Jim_Nvp *n;
 157
 158         n = Jim_Nvp_value2name_simple( nvp_error_target, err );
 159         if( n->name == NULL ){
 160                 return "unknown";
 161         } else {
 162                 return n->name;
 163         }
 164 }
 165
 166 const Jim_Nvp nvp_target_event[] = {
 167         { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
 168         { .value = TARGET_EVENT_OLD_pre_resume         , .name = "old-pre_resume" },
 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         { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
 177         { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
 178
 179         /* historical name */
 180
 181         { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
 182
 183         { .value = TARGET_EVENT_RESET_ASSERT_PRE,    .name = "reset-assert-pre" },
 184         { .value = TARGET_EVENT_RESET_ASSERT_POST,   .name = "reset-assert-post" },
 185         { .value = TARGET_EVENT_RESET_DEASSERT_PRE,  .name = "reset-deassert-pre" },
 186         { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
 187         { .value = TARGET_EVENT_RESET_HALT_PRE,      .name = "reset-halt-pre" },
 188         { .value = TARGET_EVENT_RESET_HALT_POST,     .name = "reset-halt-post" },
 189         { .value = TARGET_EVENT_RESET_WAIT_PRE,      .name = "reset-wait-pre" },
 190         { .value = TARGET_EVENT_RESET_WAIT_POST,     .name = "reset-wait-post" },
 191         { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
 192         { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
 193
 194         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
 195         { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
 196
 197         { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
 198         { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
 199
 200         { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
 201         { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
 202
 203         { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
 204         { .value = TARGET_EVENT_GDB_FLASH_WRITE_END  , .name = "gdb-flash-write-end"   },
 205
 206         { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
 207         { .value = TARGET_EVENT_GDB_FLASH_ERASE_END  , .name = "gdb-flash-erase-end" },
 208
 209         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 210         { .value = TARGET_EVENT_RESUMED     , .name = "resume-ok" },
 211         { .value = TARGET_EVENT_RESUME_END  , .name = "resume-end" },
 212
 213         { .name = NULL, .value = -1 }
 214 };
 215
 216 const Jim_Nvp nvp_target_state[] = {
 217         { .name = "unknown", .value = TARGET_UNKNOWN },
 218         { .name = "running", .value = TARGET_RUNNING },
 219         { .name = "halted",  .value = TARGET_HALTED },
 220         { .name = "reset",   .value = TARGET_RESET },
 221         { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
 222         { .name = NULL, .value = -1 },
 223 };
 224
 225 const Jim_Nvp nvp_target_debug_reason [] = {
 226         { .name = "debug-request"            , .value = DBG_REASON_DBGRQ },
 227         { .name = "breakpoint"               , .value = DBG_REASON_BREAKPOINT },
 228         { .name = "watchpoint"               , .value = DBG_REASON_WATCHPOINT },
 229         { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
 230         { .name = "single-step"              , .value = DBG_REASON_SINGLESTEP },
 231         { .name = "target-not-halted"        , .value = DBG_REASON_NOTHALTED  },
 232         { .name = "undefined"                , .value = DBG_REASON_UNDEFINED },
 233         { .name = NULL, .value = -1 },
 234 };
 235
 236 const Jim_Nvp nvp_target_endian[] = {
 237         { .name = "big",    .value = TARGET_BIG_ENDIAN },
 238         { .name = "little", .value = TARGET_LITTLE_ENDIAN },
 239         { .name = "be",     .value = TARGET_BIG_ENDIAN },
 240         { .name = "le",     .value = TARGET_LITTLE_ENDIAN },
 241         { .name = NULL,     .value = -1 },
 242 };
 243
 244 const Jim_Nvp nvp_reset_modes[] = {
 245         { .name = "unknown", .value = RESET_UNKNOWN },
 246         { .name = "run"    , .value = RESET_RUN },
 247         { .name = "halt"   , .value = RESET_HALT },
 248         { .name = "init"   , .value = RESET_INIT },
 249         { .name = NULL     , .value = -1 },
 250 };
 251
 252 static int max_target_number(void)
 253 {
 254         target_t *t;
 255         int x;
 256
 257         x = -1;
 258         t = all_targets;
 259         while( t ){
 260                 if( x < t->target_number ){
 261                         x = (t->target_number)+1;
 262                 }
 263                 t = t->next;
 264         }
 265         return x;
 266 }
 267
 268 /* determine the number of the new target */
 269 static int new_target_number(void)
 270 {
 271         target_t *t;
 272         int x;
 273
 274         /* number is 0 based */
 275         x = -1;
 276         t = all_targets;
 277         while(t){
 278                 if( x < t->target_number ){
 279                         x = t->target_number;
 280                 }
 281                 t = t->next;
 282         }
 283         return x+1;
 284 }
 285
 286 static int target_continous_poll = 1;
 287
 288 /* read a u32 from a buffer in target memory endianness */
 289 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
 290 {
 291         if (target->endianness == TARGET_LITTLE_ENDIAN)
 292                 return le_to_h_u32(buffer);
 293         else
 294                 return be_to_h_u32(buffer);
 295 }
 296
 297 /* read a u16 from a buffer in target memory endianness */
 298 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
 299 {
 300         if (target->endianness == TARGET_LITTLE_ENDIAN)
 301                 return le_to_h_u16(buffer);
 302         else
 303                 return be_to_h_u16(buffer);
 304 }
 305
 306 /* read a u8 from a buffer in target memory endianness */
 307 u8 target_buffer_get_u8(target_t *target, u8 *buffer)
 308 {
 309         return *buffer & 0x0ff;
 310 }
 311
 312 /* write a u32 to a buffer in target memory endianness */
 313 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
 314 {
 315         if (target->endianness == TARGET_LITTLE_ENDIAN)
 316                 h_u32_to_le(buffer, value);
 317         else
 318                 h_u32_to_be(buffer, value);
 319 }
 320
 321 /* write a u16 to a buffer in target memory endianness */
 322 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
 323 {
 324         if (target->endianness == TARGET_LITTLE_ENDIAN)
 325                 h_u16_to_le(buffer, value);
 326         else
 327                 h_u16_to_be(buffer, value);
 328 }
 329
 330 /* write a u8 to a buffer in target memory endianness */
 331 void target_buffer_set_u8(target_t *target, u8 *buffer, u8 value)
 332 {
 333         *buffer = value;
 334 }
 335
 336 /* returns a pointer to the n-th configured target */
 337 target_t* get_target_by_num(int num)
 338 {
 339         target_t *target = all_targets;
 340
 341         while (target){
 342                 if( target->target_number == num ){
 343                         return target;
 344                 }
 345                 target = target->next;
 346         }
 347
 348         return NULL;
 349 }
 350
 351 int get_num_by_target(target_t *query_target)
 352 {
 353         return query_target->target_number;
 354 }
 355
 356 target_t* get_current_target(command_context_t *cmd_ctx)
 357 {
 358         target_t *target = get_target_by_num(cmd_ctx->current_target);
 359
 360         if (target == NULL)
 361         {
 362                 LOG_ERROR("BUG: current_target out of bounds");
 363                 exit(-1);
 364         }
 365
 366         return target;
 367 }
 368
 369 int target_poll(struct target_s *target)
 370 {
 371         /* We can't poll until after examine */
 372         if (!target->type->examined)
 373         {
 374                 /* Fail silently lest we pollute the log */
 375                 return ERROR_FAIL;
 376         }
 377         return target->type->poll(target);
 378 }
 379
 380 int target_halt(struct target_s *target)
 381 {
 382         /* We can't poll until after examine */
 383         if (!target->type->examined)
 384         {
 385                 LOG_ERROR("Target not examined yet");
 386                 return ERROR_FAIL;
 387         }
 388         return target->type->halt(target);
 389 }
 390
 391 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
 392 {
 393         int retval;
 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
 402         /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
 403          * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
 404          * the application.
 405          */
 406         if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
 407                 return retval;
 408
 409         return retval;
 410 }
 411
 412 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
 413 {
 414         char buf[100];
 415         int retval;
 416         Jim_Nvp *n;
 417         n = Jim_Nvp_value2name_simple( nvp_reset_modes, reset_mode );
 418         if( n->name == NULL ){
 419                 LOG_ERROR("invalid reset mode");
 420                 return ERROR_FAIL;
 421         }
 422
 423         sprintf( buf, "ocd_process_reset %s", n->name );
 424         retval = Jim_Eval( interp, buf );
 425
 426         if(retval != JIM_OK) {
 427                 Jim_PrintErrorMessage(interp);
 428                 return ERROR_FAIL;
 429         }
 430
 431         /* We want any events to be processed before the prompt */
 432         retval = target_call_timer_callbacks_now();
 433
 434         return retval;
 435 }
 436
 437 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
 438 {
 439         *physical = virtual;
 440         return ERROR_OK;
 441 }
 442
 443 static int default_mmu(struct target_s *target, int *enabled)
 444 {
 445         *enabled = 0;
 446         return ERROR_OK;
 447 }
 448
 449 static int default_examine(struct target_s *target)
 450 {
 451         target->type->examined = 1;
 452         return ERROR_OK;
 453 }
 454
 455 /* Targets that correctly implement init+examine, i.e.
 456  * no communication with target during init:
 457  *
 458  * XScale
 459  */
 460 int target_examine(void)
 461 {
 462         int retval = ERROR_OK;
 463         target_t *target = all_targets;
 464         while (target)
 465         {
 466                 if ((retval = target->type->examine(target))!=ERROR_OK)
 467                         return retval;
 468                 target = target->next;
 469         }
 470         return retval;
 471 }
 472
 473 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 474 {
 475         if (!target->type->examined)
 476         {
 477                 LOG_ERROR("Target not examined yet");
 478                 return ERROR_FAIL;
 479         }
 480         return target->type->write_memory_imp(target, address, size, count, buffer);
 481 }
 482
 483 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 484 {
 485         if (!target->type->examined)
 486         {
 487                 LOG_ERROR("Target not examined yet");
 488                 return ERROR_FAIL;
 489         }
 490         return target->type->read_memory_imp(target, address, size, count, buffer);
 491 }
 492
 493 static int target_soft_reset_halt_imp(struct target_s *target)
 494 {
 495         if (!target->type->examined)
 496         {
 497                 LOG_ERROR("Target not examined yet");
 498                 return ERROR_FAIL;
 499         }
 500         return target->type->soft_reset_halt_imp(target);
 501 }
 502
 503 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)
 504 {
 505         if (!target->type->examined)
 506         {
 507                 LOG_ERROR("Target not examined yet");
 508                 return ERROR_FAIL;
 509         }
 510         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);
 511 }
 512
 513 int target_init(struct command_context_s *cmd_ctx)
 514 {
 515         target_t *target = all_targets;
 516         int retval;
 517
 518         while (target)
 519         {
 520                 target->type->examined = 0;
 521                 if (target->type->examine == NULL)
 522                 {
 523                         target->type->examine = default_examine;
 524                 }
 525
 526                 if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
 527                 {
 528                         LOG_ERROR("target '%s' init failed", target->type->name);
 529                         return retval;
 530                 }
 531
 532                 /* Set up default functions if none are provided by target */
 533                 if (target->type->virt2phys == NULL)
 534                 {
 535                         target->type->virt2phys = default_virt2phys;
 536                 }
 537                 target->type->virt2phys = default_virt2phys;
 538                 /* a non-invasive way(in terms of patches) to add some code that
 539                  * runs before the type->write/read_memory implementation
 540                  */
 541                 target->type->write_memory_imp = target->type->write_memory;
 542                 target->type->write_memory = target_write_memory_imp;
 543                 target->type->read_memory_imp = target->type->read_memory;
 544                 target->type->read_memory = target_read_memory_imp;
 545                 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
 546                 target->type->soft_reset_halt = target_soft_reset_halt_imp;
 547                 target->type->run_algorithm_imp = target->type->run_algorithm;
 548                 target->type->run_algorithm = target_run_algorithm_imp;
 549
 550                 if (target->type->mmu == NULL)
 551                 {
 552                         target->type->mmu = default_mmu;
 553                 }
 554                 target = target->next;
 555         }
 556
 557         if (all_targets)
 558         {
 559                 if((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
 560                         return retval;
 561                 if((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
 562                         return retval;
 563         }
 564
 565         return ERROR_OK;
 566 }
 567
 568 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 569 {
 570         target_event_callback_t **callbacks_p = &target_event_callbacks;
 571
 572         if (callback == NULL)
 573         {
 574                 return ERROR_INVALID_ARGUMENTS;
 575         }
 576
 577         if (*callbacks_p)
 578         {
 579                 while ((*callbacks_p)->next)
 580                         callbacks_p = &((*callbacks_p)->next);
 581                 callbacks_p = &((*callbacks_p)->next);
 582         }
 583
 584         (*callbacks_p) = malloc(sizeof(target_event_callback_t));
 585         (*callbacks_p)->callback = callback;
 586         (*callbacks_p)->priv = priv;
 587         (*callbacks_p)->next = NULL;
 588
 589         return ERROR_OK;
 590 }
 591
 592 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
 593 {
 594         target_timer_callback_t **callbacks_p = &target_timer_callbacks;
 595         struct timeval now;
 596
 597         if (callback == NULL)
 598         {
 599                 return ERROR_INVALID_ARGUMENTS;
 600         }
 601
 602         if (*callbacks_p)
 603         {
 604                 while ((*callbacks_p)->next)
 605                         callbacks_p = &((*callbacks_p)->next);
 606                 callbacks_p = &((*callbacks_p)->next);
 607         }
 608
 609         (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
 610         (*callbacks_p)->callback = callback;
 611         (*callbacks_p)->periodic = periodic;
 612         (*callbacks_p)->time_ms = time_ms;
 613
 614         gettimeofday(&now, NULL);
 615         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 616         time_ms -= (time_ms % 1000);
 617         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
 618         if ((*callbacks_p)->when.tv_usec > 1000000)
 619         {
 620                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
 621                 (*callbacks_p)->when.tv_sec += 1;
 622         }
 623
 624         (*callbacks_p)->priv = priv;
 625         (*callbacks_p)->next = NULL;
 626
 627         return ERROR_OK;
 628 }
 629
 630 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 631 {
 632         target_event_callback_t **p = &target_event_callbacks;
 633         target_event_callback_t *c = target_event_callbacks;
 634
 635         if (callback == NULL)
 636         {
 637                 return ERROR_INVALID_ARGUMENTS;
 638         }
 639
 640         while (c)
 641         {
 642                 target_event_callback_t *next = c->next;
 643                 if ((c->callback == callback) && (c->priv == priv))
 644                 {
 645                         *p = next;
 646                         free(c);
 647                         return ERROR_OK;
 648                 }
 649                 else
 650                         p = &(c->next);
 651                 c = next;
 652         }
 653
 654         return ERROR_OK;
 655 }
 656
 657 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
 658 {
 659         target_timer_callback_t **p = &target_timer_callbacks;
 660         target_timer_callback_t *c = target_timer_callbacks;
 661
 662         if (callback == NULL)
 663         {
 664                 return ERROR_INVALID_ARGUMENTS;
 665         }
 666
 667         while (c)
 668         {
 669                 target_timer_callback_t *next = c->next;
 670                 if ((c->callback == callback) && (c->priv == priv))
 671                 {
 672                         *p = next;
 673                         free(c);
 674                         return ERROR_OK;
 675                 }
 676                 else
 677                         p = &(c->next);
 678                 c = next;
 679         }
 680
 681         return ERROR_OK;
 682 }
 683
 684 int target_call_event_callbacks(target_t *target, enum target_event event)
 685 {
 686         target_event_callback_t *callback = target_event_callbacks;
 687         target_event_callback_t *next_callback;
 688
 689         if (event == TARGET_EVENT_HALTED)
 690         {
 691                 /* execute early halted first */
 692                 target_call_event_callbacks(target, TARGET_EVENT_EARLY_HALTED);
 693         }
 694
 695         LOG_DEBUG("target event %i (%s)",
 696                           event,
 697                           Jim_Nvp_value2name_simple( nvp_target_event, event )->name );
 698
 699         target_handle_event( target, event );
 700
 701         while (callback)
 702         {
 703                 next_callback = callback->next;
 704                 callback->callback(target, event, callback->priv);
 705                 callback = next_callback;
 706         }
 707
 708         return ERROR_OK;
 709 }
 710
 711 static int target_call_timer_callbacks_check_time(int checktime)
 712 {
 713         target_timer_callback_t *callback = target_timer_callbacks;
 714         target_timer_callback_t *next_callback;
 715         struct timeval now;
 716
 717         keep_alive();
 718
 719         gettimeofday(&now, NULL);
 720
 721         while (callback)
 722         {
 723                 next_callback = callback->next;
 724
 725                 if ((!checktime&&callback->periodic)||
 726                                 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
 727                                                 || (now.tv_sec > callback->when.tv_sec)))
 728                 {
 729                         if(callback->callback != NULL)
 730                         {
 731                                 callback->callback(callback->priv);
 732                                 if (callback->periodic)
 733                                 {
 734                                         int time_ms = callback->time_ms;
 735                                         callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 736                                         time_ms -= (time_ms % 1000);
 737                                         callback->when.tv_sec = now.tv_sec + time_ms / 1000;
 738                                         if (callback->when.tv_usec > 1000000)
 739                                         {
 740                                                 callback->when.tv_usec = callback->when.tv_usec - 1000000;
 741                                                 callback->when.tv_sec += 1;
 742                                         }
 743                                 }
 744                                 else
 745                                 {
 746                                         int retval;
 747                                         if((retval = target_unregister_timer_callback(callback->callback, callback->priv)) != ERROR_OK)
 748                                                 return retval;
 749                                 }
 750                         }
 751                 }
 752
 753                 callback = next_callback;
 754         }
 755
 756         return ERROR_OK;
 757 }
 758
 759 int target_call_timer_callbacks(void)
 760 {
 761         return target_call_timer_callbacks_check_time(1);
 762 }
 763
 764 /* invoke periodic callbacks immediately */
 765 int target_call_timer_callbacks_now(void)
 766 {
 767         return target_call_timer_callbacks_check_time(0);
 768 }
 769
 770 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
 771 {
 772         working_area_t *c = target->working_areas;
 773         working_area_t *new_wa = NULL;
 774
 775         /* Reevaluate working area address based on MMU state*/
 776         if (target->working_areas == NULL)
 777         {
 778                 int retval;
 779                 int enabled;
 780                 retval = target->type->mmu(target, &enabled);
 781                 if (retval != ERROR_OK)
 782                 {
 783                         return retval;
 784                 }
 785                 if (enabled)
 786                 {
 787                         target->working_area = target->working_area_virt;
 788                 }
 789                 else
 790                 {
 791                         target->working_area = target->working_area_phys;
 792                 }
 793         }
 794
 795         /* only allocate multiples of 4 byte */
 796         if (size % 4)
 797         {
 798                 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
 799                 size = CEIL(size, 4);
 800         }
 801
 802         /* see if there's already a matching working area */
 803         while (c)
 804         {
 805                 if ((c->free) && (c->size == size))
 806                 {
 807                         new_wa = c;
 808                         break;
 809                 }
 810                 c = c->next;
 811         }
 812
 813         /* if not, allocate a new one */
 814         if (!new_wa)
 815         {
 816                 working_area_t **p = &target->working_areas;
 817                 u32 first_free = target->working_area;
 818                 u32 free_size = target->working_area_size;
 819
 820                 LOG_DEBUG("allocating new working area");
 821
 822                 c = target->working_areas;
 823                 while (c)
 824                 {
 825                         first_free += c->size;
 826                         free_size -= c->size;
 827                         p = &c->next;
 828                         c = c->next;
 829                 }
 830
 831                 if (free_size < size)
 832                 {
 833                         LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
 834                         return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
 835                 }
 836
 837                 new_wa = malloc(sizeof(working_area_t));
 838                 new_wa->next = NULL;
 839                 new_wa->size = size;
 840                 new_wa->address = first_free;
 841
 842                 if (target->backup_working_area)
 843                 {
 844                         int retval;
 845                         new_wa->backup = malloc(new_wa->size);
 846                         if((retval = target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
 847                         {
 848                                 free(new_wa->backup);
 849                                 free(new_wa);
 850                                 return retval;
 851                         }
 852                 }
 853                 else
 854                 {
 855                         new_wa->backup = NULL;
 856                 }
 857
 858                 /* put new entry in list */
 859                 *p = new_wa;
 860         }
 861
 862         /* mark as used, and return the new (reused) area */
 863         new_wa->free = 0;
 864         *area = new_wa;
 865
 866         /* user pointer */
 867         new_wa->user = area;
 868
 869         return ERROR_OK;
 870 }
 871
 872 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
 873 {
 874         if (area->free)
 875                 return ERROR_OK;
 876
 877         if (restore&&target->backup_working_area)
 878         {
 879                 int retval;
 880                 if((retval = target->type->write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
 881                         return retval;
 882         }
 883
 884         area->free = 1;
 885
 886         /* mark user pointer invalid */
 887         *area->user = NULL;
 888         area->user = NULL;
 889
 890         return ERROR_OK;
 891 }
 892
 893 int target_free_working_area(struct target_s *target, working_area_t *area)
 894 {
 895         return target_free_working_area_restore(target, area, 1);
 896 }
 897
 898 /* free resources and restore memory, if restoring memory fails,
 899  * free up resources anyway
 900  */
 901 void target_free_all_working_areas_restore(struct target_s *target, int restore)
 902 {
 903         working_area_t *c = target->working_areas;
 904
 905         while (c)
 906         {
 907                 working_area_t *next = c->next;
 908                 target_free_working_area_restore(target, c, restore);
 909
 910                 if (c->backup)
 911                         free(c->backup);
 912
 913                 free(c);
 914
 915                 c = next;
 916         }
 917
 918         target->working_areas = NULL;
 919 }
 920
 921 void target_free_all_working_areas(struct target_s *target)
 922 {
 923         target_free_all_working_areas_restore(target, 1);
 924 }
 925
 926 int target_register_commands(struct command_context_s *cmd_ctx)
 927 {
 928
 929         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)");
 930
 931
 932
 933
 934         register_jim(cmd_ctx, "target", jim_target, "configure target" );
 935
 936         return ERROR_OK;
 937 }
 938
 939 int target_arch_state(struct target_s *target)
 940 {
 941         int retval;
 942         if (target==NULL)
 943         {
 944                 LOG_USER("No target has been configured");
 945                 return ERROR_OK;
 946         }
 947
 948         LOG_USER("target state: %s",
 949                  Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name);
 950
 951         if (target->state!=TARGET_HALTED)
 952                 return ERROR_OK;
 953
 954         retval=target->type->arch_state(target);
 955         return retval;
 956 }
 957
 958 /* Single aligned words are guaranteed to use 16 or 32 bit access
 959  * mode respectively, otherwise data is handled as quickly as
 960  * possible
 961  */
 962 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
 963 {
 964         int retval;
 965         LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
 966
 967         if (!target->type->examined)
 968         {
 969                 LOG_ERROR("Target not examined yet");
 970                 return ERROR_FAIL;
 971         }
 972
 973         if ((address + size - 1) < address)
 974         {
 975                 /* GDB can request this when e.g. PC is 0xfffffffc*/
 976                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
 977                 return ERROR_FAIL;
 978         }
 979
 980         if (((address % 2) == 0) && (size == 2))
 981         {
 982                 return target->type->write_memory(target, address, 2, 1, buffer);
 983         }
 984
 985         /* handle unaligned head bytes */
 986         if (address % 4)
 987         {
 988                 u32 unaligned = 4 - (address % 4);
 989
 990                 if (unaligned > size)
 991                         unaligned = size;
 992
 993                 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
 994                         return retval;
 995
 996                 buffer += unaligned;
 997                 address += unaligned;
 998                 size -= unaligned;
 999         }
1000
1001         /* handle aligned words */
1002         if (size >= 4)
1003         {
1004                 int aligned = size - (size % 4);
1005
1006                 /* use bulk writes above a certain limit. This may have to be changed */
1007                 if (aligned > 128)
1008                 {
1009                         if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1010                                 return retval;
1011                 }
1012                 else
1013                 {
1014                         if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1015                                 return retval;
1016                 }
1017
1018                 buffer += aligned;
1019                 address += aligned;
1020                 size -= aligned;
1021         }
1022
1023         /* handle tail writes of less than 4 bytes */
1024         if (size > 0)
1025         {
1026                 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1027                         return retval;
1028         }
1029
1030         return ERROR_OK;
1031 }
1032
1033 /* Single aligned words are guaranteed to use 16 or 32 bit access
1034  * mode respectively, otherwise data is handled as quickly as
1035  * possible
1036  */
1037 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1038 {
1039         int retval;
1040         LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1041
1042         if (!target->type->examined)
1043         {
1044                 LOG_ERROR("Target not examined yet");
1045                 return ERROR_FAIL;
1046         }
1047
1048         if ((address + size - 1) < address)
1049         {
1050                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1051                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1052                 return ERROR_FAIL;
1053         }
1054
1055         if (((address % 2) == 0) && (size == 2))
1056         {
1057                 return target->type->read_memory(target, address, 2, 1, buffer);
1058         }
1059
1060         /* handle unaligned head bytes */
1061         if (address % 4)
1062         {
1063                 u32 unaligned = 4 - (address % 4);
1064
1065                 if (unaligned > size)
1066                         unaligned = size;
1067
1068                 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1069                         return retval;
1070
1071                 buffer += unaligned;
1072                 address += unaligned;
1073                 size -= unaligned;
1074         }
1075
1076         /* handle aligned words */
1077         if (size >= 4)
1078         {
1079                 int aligned = size - (size % 4);
1080
1081                 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1082                         return retval;
1083
1084                 buffer += aligned;
1085                 address += aligned;
1086                 size -= aligned;
1087         }
1088
1089         /* handle tail writes of less than 4 bytes */
1090         if (size > 0)
1091         {
1092                 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1093                         return retval;
1094         }
1095
1096         return ERROR_OK;
1097 }
1098
1099 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1100 {
1101         u8 *buffer;
1102         int retval;
1103         u32 i;
1104         u32 checksum = 0;
1105         if (!target->type->examined)
1106         {
1107                 LOG_ERROR("Target not examined yet");
1108                 return ERROR_FAIL;
1109         }
1110
1111         if ((retval = target->type->checksum_memory(target, address,
1112                 size, &checksum)) != ERROR_OK)
1113         {
1114                 buffer = malloc(size);
1115                 if (buffer == NULL)
1116                 {
1117                         LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1118                         return ERROR_INVALID_ARGUMENTS;
1119                 }
1120                 retval = target_read_buffer(target, address, size, buffer);
1121                 if (retval != ERROR_OK)
1122                 {
1123                         free(buffer);
1124                         return retval;
1125                 }
1126
1127                 /* convert to target endianess */
1128                 for (i = 0; i < (size/sizeof(u32)); i++)
1129                 {
1130                         u32 target_data;
1131                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1132                         target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1133                 }
1134
1135                 retval = image_calculate_checksum( buffer, size, &checksum );
1136                 free(buffer);
1137         }
1138
1139         *crc = checksum;
1140
1141         return retval;
1142 }
1143
1144 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1145 {
1146         int retval;
1147         if (!target->type->examined)
1148         {
1149                 LOG_ERROR("Target not examined yet");
1150                 return ERROR_FAIL;
1151         }
1152
1153         if (target->type->blank_check_memory == 0)
1154                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1155
1156         retval = target->type->blank_check_memory(target, address, size, blank);
1157
1158         return retval;
1159 }
1160
1161 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1162 {
1163         u8 value_buf[4];
1164         if (!target->type->examined)
1165         {
1166                 LOG_ERROR("Target not examined yet");
1167                 return ERROR_FAIL;
1168         }
1169
1170         int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1171
1172         if (retval == ERROR_OK)
1173         {
1174                 *value = target_buffer_get_u32(target, value_buf);
1175                 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1176         }
1177         else
1178         {
1179                 *value = 0x0;
1180                 LOG_DEBUG("address: 0x%8.8x failed", address);
1181         }
1182
1183         return retval;
1184 }
1185
1186 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1187 {
1188         u8 value_buf[2];
1189         if (!target->type->examined)
1190         {
1191                 LOG_ERROR("Target not examined yet");
1192                 return ERROR_FAIL;
1193         }
1194
1195         int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1196
1197         if (retval == ERROR_OK)
1198         {
1199                 *value = target_buffer_get_u16(target, value_buf);
1200                 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1201         }
1202         else
1203         {
1204                 *value = 0x0;
1205                 LOG_DEBUG("address: 0x%8.8x failed", address);
1206         }
1207
1208         return retval;
1209 }
1210
1211 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1212 {
1213         int retval = target->type->read_memory(target, address, 1, 1, value);
1214         if (!target->type->examined)
1215         {
1216                 LOG_ERROR("Target not examined yet");
1217                 return ERROR_FAIL;
1218         }
1219
1220         if (retval == ERROR_OK)
1221         {
1222                 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", 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_write_u32(struct target_s *target, u32 address, u32 value)
1234 {
1235         int retval;
1236         u8 value_buf[4];
1237         if (!target->type->examined)
1238         {
1239                 LOG_ERROR("Target not examined yet");
1240                 return ERROR_FAIL;
1241         }
1242
1243         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1244
1245         target_buffer_set_u32(target, value_buf, value);
1246         if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1247         {
1248                 LOG_DEBUG("failed: %i", retval);
1249         }
1250
1251         return retval;
1252 }
1253
1254 int target_write_u16(struct target_s *target, u32 address, u16 value)
1255 {
1256         int retval;
1257         u8 value_buf[2];
1258         if (!target->type->examined)
1259         {
1260                 LOG_ERROR("Target not examined yet");
1261                 return ERROR_FAIL;
1262         }
1263
1264         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1265
1266         target_buffer_set_u16(target, value_buf, value);
1267         if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1268         {
1269                 LOG_DEBUG("failed: %i", retval);
1270         }
1271
1272         return retval;
1273 }
1274
1275 int target_write_u8(struct target_s *target, u32 address, u8 value)
1276 {
1277         int retval;
1278         if (!target->type->examined)
1279         {
1280                 LOG_ERROR("Target not examined yet");
1281                 return ERROR_FAIL;
1282         }
1283
1284         LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1285
1286         if ((retval = target->type->write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1287         {
1288                 LOG_DEBUG("failed: %i", retval);
1289         }
1290
1291         return retval;
1292 }
1293
1294 int target_register_user_commands(struct command_context_s *cmd_ctx)
1295 {
1296         int retval = ERROR_OK;
1297
1298
1299         /* script procedures */
1300         register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "profiling samples the CPU PC");
1301         register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array, "read memory and return as a TCL array for script processing");
1302         register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem, "convert a TCL array to memory locations and write the values");
1303
1304         register_command(cmd_ctx, NULL, "fast_load_image", handle_fast_load_image_command, COMMAND_ANY,
1305                         "same args as load_image, image stored in memory - mainly for profiling purposes");
1306
1307         register_command(cmd_ctx, NULL, "fast_load", handle_fast_load_command, COMMAND_ANY,
1308                         "loads active fast load image to current target - mainly for profiling purposes");
1309
1310
1311         register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "translate a virtual address into a physical address");
1312         register_command(cmd_ctx,  NULL, "reg", handle_reg_command, COMMAND_EXEC, "display or set a register");
1313         register_command(cmd_ctx,  NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1314         register_command(cmd_ctx,  NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1315         register_command(cmd_ctx,  NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1316         register_command(cmd_ctx,  NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1317         register_command(cmd_ctx,  NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1318         register_command(cmd_ctx,  NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init] - default is run");
1319         register_command(cmd_ctx,  NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1320
1321         register_command(cmd_ctx,  NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1322         register_command(cmd_ctx,  NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1323         register_command(cmd_ctx,  NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1324
1325         register_command(cmd_ctx,  NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1326         register_command(cmd_ctx,  NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1327         register_command(cmd_ctx,  NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1328
1329         register_command(cmd_ctx,  NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1330         register_command(cmd_ctx,  NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1331         register_command(cmd_ctx,  NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1332         register_command(cmd_ctx,  NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1333
1334         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]");
1335         register_command(cmd_ctx,  NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1336         register_command(cmd_ctx,  NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1337         register_command(cmd_ctx,  NULL, "test_image", handle_test_image_command, COMMAND_EXEC, "test_image <file> [offset] [type]");
1338
1339         if((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
1340                 return retval;
1341         if((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
1342                 return retval;
1343
1344         return retval;
1345 }
1346
1347 int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1348 {
1349         char *cp;
1350         target_t *target = all_targets;
1351
1352         if (argc == 1)
1353         {
1354                 /* try as tcltarget name */
1355                 for( target = all_targets ; target ; target = target->next ){
1356                   if( target->cmd_name ){
1357                         if( 0 == strcmp( args[0], target->cmd_name ) ){
1358                                 /* MATCH */
1359                                 goto Match;
1360                         }
1361                   }
1362                 }
1363                 /* no match, try as number */
1364
1365                 int num = strtoul(args[0], &cp, 0 );
1366                 if( *cp != 0 ){
1367                         /* then it was not a number */
1368                         command_print( cmd_ctx, "Target: %s unknown, try one of:\n", args[0] );
1369                         goto DumpTargets;
1370                 }
1371
1372                 target = get_target_by_num( num );
1373                 if( target == NULL ){
1374                         command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0] );
1375                         goto DumpTargets;
1376                 }
1377         Match:
1378                 cmd_ctx->current_target = target->target_number;
1379                 return ERROR_OK;
1380         }
1381 DumpTargets:
1382
1383         target = all_targets;
1384         command_print(cmd_ctx, "    CmdName    Type       Endian     AbsChainPos Name          State     ");
1385         command_print(cmd_ctx, "--  ---------- ---------- ---------- ----------- ------------- ----------");
1386         while (target)
1387         {
1388                 /* XX: abcdefghij abcdefghij abcdefghij abcdefghij */
1389                 command_print(cmd_ctx, "%2d: %-10s %-10s %-10s %10d %14s %s",
1390                                           target->target_number,
1391                                           target->cmd_name,
1392                                           target->type->name,
1393                                           Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness )->name,
1394                                           target->tap->abs_chain_position,
1395                                           target->tap->dotted_name,
1396                                           Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
1397                 target = target->next;
1398         }
1399
1400         return ERROR_OK;
1401 }
1402
1403 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1404
1405 static int powerDropout;
1406 static int srstAsserted;
1407
1408 static int runPowerRestore;
1409 static int runPowerDropout;
1410 static int runSrstAsserted;
1411 static int runSrstDeasserted;
1412
1413 static int sense_handler(void)
1414 {
1415         static int prevSrstAsserted = 0;
1416         static int prevPowerdropout = 0;
1417
1418         int retval;
1419         if ((retval=jtag_power_dropout(&powerDropout))!=ERROR_OK)
1420                 return retval;
1421
1422         int powerRestored;
1423         powerRestored = prevPowerdropout && !powerDropout;
1424         if (powerRestored)
1425         {
1426                 runPowerRestore = 1;
1427         }
1428
1429         long long current = timeval_ms();
1430         static long long lastPower = 0;
1431         int waitMore = lastPower + 2000 > current;
1432         if (powerDropout && !waitMore)
1433         {
1434                 runPowerDropout = 1;
1435                 lastPower = current;
1436         }
1437
1438         if ((retval=jtag_srst_asserted(&srstAsserted))!=ERROR_OK)
1439                 return retval;
1440
1441         int srstDeasserted;
1442         srstDeasserted = prevSrstAsserted && !srstAsserted;
1443
1444         static long long lastSrst = 0;
1445         waitMore = lastSrst + 2000 > current;
1446         if (srstDeasserted && !waitMore)
1447         {
1448                 runSrstDeasserted = 1;
1449                 lastSrst = current;
1450         }
1451
1452         if (!prevSrstAsserted && srstAsserted)
1453         {
1454                 runSrstAsserted = 1;
1455         }
1456
1457         prevSrstAsserted = srstAsserted;
1458         prevPowerdropout = powerDropout;
1459
1460         if (srstDeasserted || powerRestored)
1461         {
1462                 /* Other than logging the event we can't do anything here.
1463                  * Issuing a reset is a particularly bad idea as we might
1464                  * be inside a reset already.
1465                  */
1466         }
1467
1468         return ERROR_OK;
1469 }
1470
1471 /* process target state changes */
1472 int handle_target(void *priv)
1473 {
1474         int retval = ERROR_OK;
1475
1476         /* we do not want to recurse here... */
1477         static int recursive = 0;
1478         if (! recursive)
1479         {
1480                 recursive = 1;
1481                 sense_handler();
1482                 /* danger! running these procedures can trigger srst assertions and power dropouts.
1483                  * We need to avoid an infinite loop/recursion here and we do that by
1484                  * clearing the flags after running these events.
1485                  */
1486                 int did_something = 0;
1487                 if (runSrstAsserted)
1488                 {
1489                         Jim_Eval( interp, "srst_asserted");
1490                         did_something = 1;
1491                 }
1492                 if (runSrstDeasserted)
1493                 {
1494                         Jim_Eval( interp, "srst_deasserted");
1495                         did_something = 1;
1496                 }
1497                 if (runPowerDropout)
1498                 {
1499                         Jim_Eval( interp, "power_dropout");
1500                         did_something = 1;
1501                 }
1502                 if (runPowerRestore)
1503                 {
1504                         Jim_Eval( interp, "power_restore");
1505                         did_something = 1;
1506                 }
1507
1508                 if (did_something)
1509                 {
1510                         /* clear detect flags */
1511                         sense_handler();
1512                 }
1513
1514                 /* clear action flags */
1515
1516                 runSrstAsserted=0;
1517                 runSrstDeasserted=0;
1518                 runPowerRestore=0;
1519                 runPowerDropout=0;
1520
1521                 recursive = 0;
1522         }
1523
1524         target_t *target = all_targets;
1525
1526         while (target)
1527         {
1528
1529                 /* only poll target if we've got power and srst isn't asserted */
1530                 if (target_continous_poll&&!powerDropout&&!srstAsserted)
1531                 {
1532                         /* polling may fail silently until the target has been examined */
1533                         if((retval = target_poll(target)) != ERROR_OK)
1534                                 return retval;
1535                 }
1536
1537                 target = target->next;
1538         }
1539
1540         return retval;
1541 }
1542
1543 int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1544 {
1545         target_t *target;
1546         reg_t *reg = NULL;
1547         int count = 0;
1548         char *value;
1549
1550         LOG_DEBUG("-");
1551
1552         target = get_current_target(cmd_ctx);
1553
1554         /* list all available registers for the current target */
1555         if (argc == 0)
1556         {
1557                 reg_cache_t *cache = target->reg_cache;
1558
1559                 count = 0;
1560                 while(cache)
1561                 {
1562                         int i;
1563                         for (i = 0; i < cache->num_regs; i++)
1564                         {
1565                                 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1566                                 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);
1567                                 free(value);
1568                         }
1569                         cache = cache->next;
1570                 }
1571
1572                 return ERROR_OK;
1573         }
1574
1575         /* access a single register by its ordinal number */
1576         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1577         {
1578                 int num = strtoul(args[0], NULL, 0);
1579                 reg_cache_t *cache = target->reg_cache;
1580
1581                 count = 0;
1582                 while(cache)
1583                 {
1584                         int i;
1585                         for (i = 0; i < cache->num_regs; i++)
1586                         {
1587                                 if (count++ == num)
1588                                 {
1589                                         reg = &cache->reg_list[i];
1590                                         break;
1591                                 }
1592                         }
1593                         if (reg)
1594                                 break;
1595                         cache = cache->next;
1596                 }
1597
1598                 if (!reg)
1599                 {
1600                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1601                         return ERROR_OK;
1602                 }
1603         } else /* access a single register by its name */
1604         {
1605                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1606
1607                 if (!reg)
1608                 {
1609                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1610                         return ERROR_OK;
1611                 }
1612         }
1613
1614         /* display a register */
1615         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1616         {
1617                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1618                         reg->valid = 0;
1619
1620                 if (reg->valid == 0)
1621                 {
1622                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1623                         arch_type->get(reg);
1624                 }
1625                 value = buf_to_str(reg->value, reg->size, 16);
1626                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1627                 free(value);
1628                 return ERROR_OK;
1629         }
1630
1631         /* set register value */
1632         if (argc == 2)
1633         {
1634                 u8 *buf = malloc(CEIL(reg->size, 8));
1635                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1636
1637                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1638                 arch_type->set(reg, buf);
1639
1640                 value = buf_to_str(reg->value, reg->size, 16);
1641                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1642                 free(value);
1643
1644                 free(buf);
1645
1646                 return ERROR_OK;
1647         }
1648
1649         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1650
1651         return ERROR_OK;
1652 }
1653
1654 int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1655 {
1656         int retval = ERROR_OK;
1657         target_t *target = get_current_target(cmd_ctx);
1658
1659         if (argc == 0)
1660         {
1661                 if((retval = target_poll(target)) != ERROR_OK)
1662                         return retval;
1663                 if((retval = target_arch_state(target)) != ERROR_OK)
1664                         return retval;
1665
1666         }
1667         else if (argc==1)
1668         {
1669                 if (strcmp(args[0], "on") == 0)
1670                 {
1671                         target_continous_poll = 1;
1672                 }
1673                 else if (strcmp(args[0], "off") == 0)
1674                 {
1675                         target_continous_poll = 0;
1676                 }
1677                 else
1678                 {
1679                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1680                 }
1681         } else
1682         {
1683                 return ERROR_COMMAND_SYNTAX_ERROR;
1684         }
1685
1686         return retval;
1687 }
1688
1689 int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1690 {
1691         int ms = 5000;
1692
1693         if (argc > 0)
1694         {
1695                 char *end;
1696
1697                 ms = strtoul(args[0], &end, 0) * 1000;
1698                 if (*end)
1699                 {
1700                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1701                         return ERROR_OK;
1702                 }
1703         }
1704         target_t *target = get_current_target(cmd_ctx);
1705
1706         return target_wait_state(target, TARGET_HALTED, ms);
1707 }
1708
1709 /* wait for target state to change. The trick here is to have a low
1710  * latency for short waits and not to suck up all the CPU time
1711  * on longer waits.
1712  *
1713  * After 500ms, keep_alive() is invoked
1714  */
1715 int target_wait_state(target_t *target, enum target_state state, int ms)
1716 {
1717         int retval;
1718         long long then=0, cur;
1719         int once=1;
1720
1721         for (;;)
1722         {
1723                 if ((retval=target_poll(target))!=ERROR_OK)
1724                         return retval;
1725                 if (target->state == state)
1726                 {
1727                         break;
1728                 }
1729                 cur = timeval_ms();
1730                 if (once)
1731                 {
1732                         once=0;
1733                         then = timeval_ms();
1734                         LOG_DEBUG("waiting for target %s...",
1735                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1736                 }
1737
1738                 if (cur-then>500)
1739                 {
1740                         keep_alive();
1741                 }
1742
1743                 if ((cur-then)>ms)
1744                 {
1745                         LOG_ERROR("timed out while waiting for target %s",
1746                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1747                         return ERROR_FAIL;
1748                 }
1749         }
1750
1751         return ERROR_OK;
1752 }
1753
1754 int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1755 {
1756         int retval;
1757         target_t *target = get_current_target(cmd_ctx);
1758
1759         LOG_DEBUG("-");
1760
1761         if ((retval = target_halt(target)) != ERROR_OK)
1762         {
1763                 return retval;
1764         }
1765
1766         if (argc == 1)
1767         {
1768                 int wait;
1769                 char *end;
1770
1771                 wait = strtoul(args[0], &end, 0);
1772                 if (!*end && !wait)
1773                         return ERROR_OK;
1774         }
1775
1776         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1777 }
1778
1779 int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1780 {
1781         target_t *target = get_current_target(cmd_ctx);
1782
1783         LOG_USER("requesting target halt and executing a soft reset");
1784
1785         target->type->soft_reset_halt(target);
1786
1787         return ERROR_OK;
1788 }
1789
1790 int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1791 {
1792         const Jim_Nvp *n;
1793         enum target_reset_mode reset_mode = RESET_RUN;
1794
1795         if (argc >= 1)
1796         {
1797                 n = Jim_Nvp_name2value_simple( nvp_reset_modes, args[0] );
1798                 if( (n->name == NULL) || (n->value == RESET_UNKNOWN) ){
1799                         return ERROR_COMMAND_SYNTAX_ERROR;
1800                 }
1801                 reset_mode = n->value;
1802         }
1803
1804         /* reset *all* targets */
1805         return target_process_reset(cmd_ctx, reset_mode);
1806 }
1807
1808
1809 int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1810 {
1811         int retval;
1812         target_t *target = get_current_target(cmd_ctx);
1813
1814         target_handle_event( target, TARGET_EVENT_OLD_pre_resume );
1815
1816         if (argc == 0)
1817                 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1818         else if (argc == 1)
1819                 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1820         else
1821         {
1822                 retval = ERROR_COMMAND_SYNTAX_ERROR;
1823         }
1824
1825         return retval;
1826 }
1827
1828 int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1829 {
1830         target_t *target = get_current_target(cmd_ctx);
1831
1832         LOG_DEBUG("-");
1833
1834         if (argc == 0)
1835                 return target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1836
1837         if (argc == 1)
1838                 return target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1839
1840         return ERROR_OK;
1841 }
1842
1843 int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1844 {
1845         const int line_bytecnt = 32;
1846         int count = 1;
1847         int size = 4;
1848         u32 address = 0;
1849         int line_modulo;
1850         int i;
1851
1852         char output[128];
1853         int output_len;
1854
1855         int retval;
1856
1857         u8 *buffer;
1858         target_t *target = get_current_target(cmd_ctx);
1859
1860         if (argc < 1)
1861                 return ERROR_OK;
1862
1863         if (argc == 2)
1864                 count = strtoul(args[1], NULL, 0);
1865
1866         address = strtoul(args[0], NULL, 0);
1867
1868         switch (cmd[2])
1869         {
1870                 case 'w':
1871                         size = 4; line_modulo = line_bytecnt / 4;
1872                         break;
1873                 case 'h':
1874                         size = 2; line_modulo = line_bytecnt / 2;
1875                         break;
1876                 case 'b':
1877                         size = 1; line_modulo = line_bytecnt / 1;
1878                         break;
1879                 default:
1880                         return ERROR_OK;
1881         }
1882
1883         buffer = calloc(count, size);
1884         retval  = target->type->read_memory(target, address, size, count, buffer);
1885         if (retval == ERROR_OK)
1886         {
1887                 output_len = 0;
1888
1889                 for (i = 0; i < count; i++)
1890                 {
1891                         if (i%line_modulo == 0)
1892                                 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1893
1894                         switch (size)
1895                         {
1896                                 case 4:
1897                                         output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1898                                         break;
1899                                 case 2:
1900                                         output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1901                                         break;
1902                                 case 1:
1903                                         output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1904                                         break;
1905                         }
1906
1907                         if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1908                         {
1909                                 command_print(cmd_ctx, output);
1910                                 output_len = 0;
1911                         }
1912                 }
1913         }
1914
1915         free(buffer);
1916
1917         return retval;
1918 }
1919
1920 int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1921 {
1922         u32 address = 0;
1923         u32 value = 0;
1924         int count = 1;
1925         int i;
1926         int wordsize;
1927         target_t *target = get_current_target(cmd_ctx);
1928         u8 value_buf[4];
1929
1930          if ((argc < 2) || (argc > 3))
1931                 return ERROR_COMMAND_SYNTAX_ERROR;
1932
1933         address = strtoul(args[0], NULL, 0);
1934         value = strtoul(args[1], NULL, 0);
1935         if (argc == 3)
1936                 count = strtoul(args[2], NULL, 0);
1937
1938         switch (cmd[2])
1939         {
1940                 case 'w':
1941                         wordsize = 4;
1942                         target_buffer_set_u32(target, value_buf, value);
1943                         break;
1944                 case 'h':
1945                         wordsize = 2;
1946                         target_buffer_set_u16(target, value_buf, value);
1947                         break;
1948                 case 'b':
1949                         wordsize = 1;
1950                         value_buf[0] = value;
1951                         break;
1952                 default:
1953                         return ERROR_COMMAND_SYNTAX_ERROR;
1954         }
1955         for (i=0; i<count; i++)
1956         {
1957                 int retval;
1958                 switch (wordsize)
1959                 {
1960                         case 4:
1961                                 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
1962                                 break;
1963                         case 2:
1964                                 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
1965                                 break;
1966                         case 1:
1967                                 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
1968                         break;
1969                         default:
1970                         return ERROR_OK;
1971                 }
1972                 keep_alive();
1973
1974                 if (retval!=ERROR_OK)
1975                 {
1976                         return retval;
1977                 }
1978         }
1979
1980         return ERROR_OK;
1981
1982 }
1983
1984 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1985 {
1986         u8 *buffer;
1987         u32 buf_cnt;
1988         u32 image_size;
1989         u32 min_address=0;
1990         u32 max_address=0xffffffff;
1991         int i;
1992         int retval, retvaltemp;
1993
1994         image_t image;
1995
1996         duration_t duration;
1997         char *duration_text;
1998
1999         target_t *target = get_current_target(cmd_ctx);
2000
2001         if ((argc < 1)||(argc > 5))
2002         {
2003                 return ERROR_COMMAND_SYNTAX_ERROR;
2004         }
2005
2006         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2007         if (argc >= 2)
2008         {
2009                 image.base_address_set = 1;
2010                 image.base_address = strtoul(args[1], NULL, 0);
2011         }
2012         else
2013         {
2014                 image.base_address_set = 0;
2015         }
2016
2017
2018         image.start_address_set = 0;
2019
2020         if (argc>=4)
2021         {
2022                 min_address=strtoul(args[3], NULL, 0);
2023         }
2024         if (argc>=5)
2025         {
2026                 max_address=strtoul(args[4], NULL, 0)+min_address;
2027         }
2028
2029         if (min_address>max_address)
2030         {
2031                 return ERROR_COMMAND_SYNTAX_ERROR;
2032         }
2033
2034         duration_start_measure(&duration);
2035
2036         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2037         {
2038                 return ERROR_OK;
2039         }
2040
2041         image_size = 0x0;
2042         retval = ERROR_OK;
2043         for (i = 0; i < image.num_sections; i++)
2044         {
2045                 buffer = malloc(image.sections[i].size);
2046                 if (buffer == NULL)
2047                 {
2048                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2049                         break;
2050                 }
2051
2052                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2053                 {
2054                         free(buffer);
2055                         break;
2056                 }
2057
2058                 u32 offset=0;
2059                 u32 length=buf_cnt;
2060
2061                 /* DANGER!!! beware of unsigned comparision here!!! */
2062
2063                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
2064                                 (image.sections[i].base_address<max_address))
2065                 {
2066                         if (image.sections[i].base_address<min_address)
2067                         {
2068                                 /* clip addresses below */
2069                                 offset+=min_address-image.sections[i].base_address;
2070                                 length-=offset;
2071                         }
2072
2073                         if (image.sections[i].base_address+buf_cnt>max_address)
2074                         {
2075                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
2076                         }
2077
2078                         if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
2079                         {
2080                                 free(buffer);
2081                                 break;
2082                         }
2083                         image_size += length;
2084                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
2085                 }
2086
2087                 free(buffer);
2088         }
2089
2090         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2091         {
2092                 image_close(&image);
2093                 return retvaltemp;
2094         }
2095
2096         if (retval==ERROR_OK)
2097         {
2098                 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2099         }
2100         free(duration_text);
2101
2102         image_close(&image);
2103
2104         return retval;
2105
2106 }
2107
2108 int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2109 {
2110         fileio_t fileio;
2111
2112         u32 address;
2113         u32 size;
2114         u8 buffer[560];
2115         int retval=ERROR_OK, retvaltemp;
2116
2117         duration_t duration;
2118         char *duration_text;
2119
2120         target_t *target = get_current_target(cmd_ctx);
2121
2122         if (argc != 3)
2123         {
2124                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2125                 return ERROR_OK;
2126         }
2127
2128         address = strtoul(args[1], NULL, 0);
2129         size = strtoul(args[2], NULL, 0);
2130
2131         if ((address & 3) || (size & 3))
2132         {
2133                 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2134                 return ERROR_OK;
2135         }
2136
2137         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2138         {
2139                 return ERROR_OK;
2140         }
2141
2142         duration_start_measure(&duration);
2143
2144         while (size > 0)
2145         {
2146                 u32 size_written;
2147                 u32 this_run_size = (size > 560) ? 560 : size;
2148
2149                 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2150                 if (retval != ERROR_OK)
2151                 {
2152                         break;
2153                 }
2154
2155                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2156                 if (retval != ERROR_OK)
2157                 {
2158                         break;
2159                 }
2160
2161                 size -= this_run_size;
2162                 address += this_run_size;
2163         }
2164
2165         if((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2166                 return retvaltemp;
2167
2168         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2169                 return retvaltemp;
2170
2171         if (retval==ERROR_OK)
2172         {
2173                 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2174         }
2175         free(duration_text);
2176
2177         return ERROR_OK;
2178 }
2179
2180 int handle_verify_image_command_internal(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, int verify)
2181 {
2182         u8 *buffer;
2183         u32 buf_cnt;
2184         u32 image_size;
2185         int i;
2186         int retval, retvaltemp;
2187         u32 checksum = 0;
2188         u32 mem_checksum = 0;
2189
2190         image_t image;
2191
2192         duration_t duration;
2193         char *duration_text;
2194
2195         target_t *target = get_current_target(cmd_ctx);
2196
2197         if (argc < 1)
2198         {
2199                 return ERROR_COMMAND_SYNTAX_ERROR;
2200         }
2201
2202         if (!target)
2203         {
2204                 LOG_ERROR("no target selected");
2205                 return ERROR_FAIL;
2206         }
2207
2208         duration_start_measure(&duration);
2209
2210         if (argc >= 2)
2211         {
2212                 image.base_address_set = 1;
2213                 image.base_address = strtoul(args[1], NULL, 0);
2214         }
2215         else
2216         {
2217                 image.base_address_set = 0;
2218                 image.base_address = 0x0;
2219         }
2220
2221         image.start_address_set = 0;
2222
2223         if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2224         {
2225                 return retval;
2226         }
2227
2228         image_size = 0x0;
2229         retval=ERROR_OK;
2230         for (i = 0; i < image.num_sections; i++)
2231         {
2232                 buffer = malloc(image.sections[i].size);
2233                 if (buffer == NULL)
2234                 {
2235                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2236                         break;
2237                 }
2238                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2239                 {
2240                         free(buffer);
2241                         break;
2242                 }
2243
2244                 if (verify)
2245                 {
2246                         /* calculate checksum of image */
2247                         image_calculate_checksum( buffer, buf_cnt, &checksum );
2248
2249                         retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2250                         if( retval != ERROR_OK )
2251                         {
2252                                 free(buffer);
2253                                 break;
2254                         }
2255
2256                         if( checksum != mem_checksum )
2257                         {
2258                                 /* failed crc checksum, fall back to a binary compare */
2259                                 u8 *data;
2260
2261                                 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2262
2263                                 data = (u8*)malloc(buf_cnt);
2264
2265                                 /* Can we use 32bit word accesses? */
2266                                 int size = 1;
2267                                 int count = buf_cnt;
2268                                 if ((count % 4) == 0)
2269                                 {
2270                                         size *= 4;
2271                                         count /= 4;
2272                                 }
2273                                 retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2274                                 if (retval == ERROR_OK)
2275                                 {
2276                                         u32 t;
2277                                         for (t = 0; t < buf_cnt; t++)
2278                                         {
2279                                                 if (data[t] != buffer[t])
2280                                                 {
2281                                                         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]);
2282                                                         free(data);
2283                                                         free(buffer);
2284                                                         retval=ERROR_FAIL;
2285                                                         goto done;
2286                                                 }
2287                                                 if ((t%16384)==0)
2288                                                 {
2289                                                         keep_alive();
2290                                                 }
2291                                         }
2292                                 }
2293
2294                                 free(data);
2295                         }
2296                 } else
2297                 {
2298                         command_print(cmd_ctx, "address 0x%08x length 0x%08x", image.sections[i].base_address, buf_cnt);
2299                 }
2300
2301                 free(buffer);
2302                 image_size += buf_cnt;
2303         }
2304 done:
2305
2306         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2307         {
2308                 image_close(&image);
2309                 return retvaltemp;
2310         }
2311
2312         if (retval==ERROR_OK)
2313         {
2314                 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2315         }
2316         free(duration_text);
2317
2318         image_close(&image);
2319
2320         return retval;
2321 }
2322
2323 int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2324 {
2325         return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 1);
2326 }
2327
2328 int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2329 {
2330         return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 0);
2331 }
2332
2333 int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2334 {
2335         int retval;
2336         target_t *target = get_current_target(cmd_ctx);
2337
2338         if (argc == 0)
2339         {
2340                 breakpoint_t *breakpoint = target->breakpoints;
2341
2342                 while (breakpoint)
2343                 {
2344                         if (breakpoint->type == BKPT_SOFT)
2345                         {
2346                                 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2347                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2348                                 free(buf);
2349                         }
2350                         else
2351                         {
2352                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2353                         }
2354                         breakpoint = breakpoint->next;
2355                 }
2356         }
2357         else if (argc >= 2)
2358         {
2359                 int hw = BKPT_SOFT;
2360                 u32 length = 0;
2361
2362                 length = strtoul(args[1], NULL, 0);
2363
2364                 if (argc >= 3)
2365                         if (strcmp(args[2], "hw") == 0)
2366                                 hw = BKPT_HARD;
2367
2368                 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2369                 {
2370                         LOG_ERROR("Failure setting breakpoints");
2371                 }
2372                 else
2373                 {
2374                         command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2375                 }
2376         }
2377         else
2378         {
2379                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2380         }
2381
2382         return ERROR_OK;
2383 }
2384
2385 int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2386 {
2387         target_t *target = get_current_target(cmd_ctx);
2388
2389         if (argc > 0)
2390                 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2391
2392         return ERROR_OK;
2393 }
2394
2395 int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2396 {
2397         target_t *target = get_current_target(cmd_ctx);
2398         int retval;
2399
2400         if (argc == 0)
2401         {
2402                 watchpoint_t *watchpoint = target->watchpoints;
2403
2404                 while (watchpoint)
2405                 {
2406                         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);
2407                         watchpoint = watchpoint->next;
2408                 }
2409         }
2410         else if (argc >= 2)
2411         {
2412                 enum watchpoint_rw type = WPT_ACCESS;
2413                 u32 data_value = 0x0;
2414                 u32 data_mask = 0xffffffff;
2415
2416                 if (argc >= 3)
2417                 {
2418                         switch(args[2][0])
2419                         {
2420                                 case 'r':
2421                                         type = WPT_READ;
2422                                         break;
2423                                 case 'w':
2424                                         type = WPT_WRITE;
2425                                         break;
2426                                 case 'a':
2427                                         type = WPT_ACCESS;
2428                                         break;
2429                                 default:
2430                                         command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2431                                         return ERROR_OK;
2432                         }
2433                 }
2434                 if (argc >= 4)
2435                 {
2436                         data_value = strtoul(args[3], NULL, 0);
2437                 }
2438                 if (argc >= 5)
2439                 {
2440                         data_mask = strtoul(args[4], NULL, 0);
2441                 }
2442
2443                 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2444                                 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2445                 {
2446                         LOG_ERROR("Failure setting breakpoints");
2447                 }
2448         }
2449         else
2450         {
2451                 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2452         }
2453
2454         return ERROR_OK;
2455 }
2456
2457 int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2458 {
2459         target_t *target = get_current_target(cmd_ctx);
2460
2461         if (argc > 0)
2462                 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2463
2464         return ERROR_OK;
2465 }
2466
2467 int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2468 {
2469         int retval;
2470         target_t *target = get_current_target(cmd_ctx);
2471         u32 va;
2472         u32 pa;
2473
2474         if (argc != 1)
2475         {
2476                 return ERROR_COMMAND_SYNTAX_ERROR;
2477         }
2478         va = strtoul(args[0], NULL, 0);
2479
2480         retval = target->type->virt2phys(target, va, &pa);
2481         if (retval == ERROR_OK)
2482         {
2483                 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2484         }
2485         else
2486         {
2487                 /* lower levels will have logged a detailed error which is
2488                  * forwarded to telnet/GDB session.
2489                  */
2490         }
2491         return retval;
2492 }
2493
2494 static void writeLong(FILE *f, int l)
2495 {
2496         int i;
2497         for (i=0; i<4; i++)
2498         {
2499                 char c=(l>>(i*8))&0xff;
2500                 fwrite(&c, 1, 1, f);
2501         }
2502
2503 }
2504
2505 static void writeString(FILE *f, char *s)
2506 {
2507         fwrite(s, 1, strlen(s), f);
2508 }
2509
2510 /* Dump a gmon.out histogram file. */
2511 static void writeGmon(u32 *samples, u32 sampleNum, char *filename)
2512 {
2513         u32 i;
2514         FILE *f=fopen(filename, "w");
2515         if (f==NULL)
2516                 return;
2517         fwrite("gmon", 1, 4, f);
2518         writeLong(f, 0x00000001); /* Version */
2519         writeLong(f, 0); /* padding */
2520         writeLong(f, 0); /* padding */
2521         writeLong(f, 0); /* padding */
2522
2523         fwrite("", 1, 1, f);  /* GMON_TAG_TIME_HIST */
2524
2525         /* figure out bucket size */
2526         u32 min=samples[0];
2527         u32 max=samples[0];
2528         for (i=0; i<sampleNum; i++)
2529         {
2530                 if (min>samples[i])
2531                 {
2532                         min=samples[i];
2533                 }
2534                 if (max<samples[i])
2535                 {
2536                         max=samples[i];
2537                 }
2538         }
2539
2540         int addressSpace=(max-min+1);
2541
2542         static const u32 maxBuckets = 256 * 1024; /* maximum buckets. */
2543         u32 length = addressSpace;
2544         if (length > maxBuckets)
2545         {
2546                 length=maxBuckets;
2547         }
2548         int *buckets=malloc(sizeof(int)*length);
2549         if (buckets==NULL)
2550         {
2551                 fclose(f);
2552                 return;
2553         }
2554         memset(buckets, 0, sizeof(int)*length);
2555         for (i=0; i<sampleNum;i++)
2556         {
2557                 u32 address=samples[i];
2558                 long long a=address-min;
2559                 long long b=length-1;
2560                 long long c=addressSpace-1;
2561                 int index=(a*b)/c; /* danger!!!! int32 overflows */
2562                 buckets[index]++;
2563         }
2564
2565         /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
2566         writeLong(f, min);                      /* low_pc */
2567         writeLong(f, max);                      /* high_pc */
2568         writeLong(f, length);           /* # of samples */
2569         writeLong(f, 64000000);         /* 64MHz */
2570         writeString(f, "seconds");
2571         for (i=0; i<(15-strlen("seconds")); i++)
2572         {
2573                 fwrite("", 1, 1, f);    /* padding */
2574         }
2575         writeString(f, "s");
2576
2577         /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
2578
2579         char *data=malloc(2*length);
2580         if (data!=NULL)
2581         {
2582                 for (i=0; i<length;i++)
2583                 {
2584                         int val;
2585                         val=buckets[i];
2586                         if (val>65535)
2587                         {
2588                                 val=65535;
2589                         }
2590                         data[i*2]=val&0xff;
2591                         data[i*2+1]=(val>>8)&0xff;
2592                 }
2593                 free(buckets);
2594                 fwrite(data, 1, length*2, f);
2595                 free(data);
2596         } else
2597         {
2598                 free(buckets);
2599         }
2600
2601         fclose(f);
2602 }
2603
2604 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2605 int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2606 {
2607         target_t *target = get_current_target(cmd_ctx);
2608         struct timeval timeout, now;
2609
2610         gettimeofday(&timeout, NULL);
2611         if (argc!=2)
2612         {
2613                 return ERROR_COMMAND_SYNTAX_ERROR;
2614         }
2615         char *end;
2616         timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2617         if (*end)
2618         {
2619                 return ERROR_OK;
2620         }
2621
2622         command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2623
2624         static const int maxSample=10000;
2625         u32 *samples=malloc(sizeof(u32)*maxSample);
2626         if (samples==NULL)
2627                 return ERROR_OK;
2628
2629         int numSamples=0;
2630         int retval=ERROR_OK;
2631         /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
2632         reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2633
2634         for (;;)
2635         {
2636                 target_poll(target);
2637                 if (target->state == TARGET_HALTED)
2638                 {
2639                         u32 t=*((u32 *)reg->value);
2640                         samples[numSamples++]=t;
2641                         retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2642                         target_poll(target);
2643                         alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
2644                 } else if (target->state == TARGET_RUNNING)
2645                 {
2646                         /* We want to quickly sample the PC. */
2647                         if((retval = target_halt(target)) != ERROR_OK)
2648                         {
2649                                 free(samples);
2650                                 return retval;
2651                         }
2652                 } else
2653                 {
2654                         command_print(cmd_ctx, "Target not halted or running");
2655                         retval=ERROR_OK;
2656                         break;
2657                 }
2658                 if (retval!=ERROR_OK)
2659                 {
2660                         break;
2661                 }
2662
2663                 gettimeofday(&now, NULL);
2664                 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2665                 {
2666                         command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2667                         if((retval = target_poll(target)) != ERROR_OK)
2668                         {
2669                                 free(samples);
2670                                 return retval;
2671                         }
2672                         if (target->state == TARGET_HALTED)
2673                         {
2674                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2675                         }
2676                         if((retval = target_poll(target)) != ERROR_OK)
2677                         {
2678                                 free(samples);
2679                                 return retval;
2680                         }
2681                         writeGmon(samples, numSamples, args[1]);
2682                         command_print(cmd_ctx, "Wrote %s", args[1]);
2683                         break;
2684                 }
2685         }
2686         free(samples);
2687
2688         return ERROR_OK;
2689 }
2690
2691 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2692 {
2693         char *namebuf;
2694         Jim_Obj *nameObjPtr, *valObjPtr;
2695         int result;
2696
2697         namebuf = alloc_printf("%s(%d)", varname, idx);
2698         if (!namebuf)
2699                 return JIM_ERR;
2700
2701         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2702         valObjPtr = Jim_NewIntObj(interp, val);
2703         if (!nameObjPtr || !valObjPtr)
2704         {
2705                 free(namebuf);
2706                 return JIM_ERR;
2707         }
2708
2709         Jim_IncrRefCount(nameObjPtr);
2710         Jim_IncrRefCount(valObjPtr);
2711         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2712         Jim_DecrRefCount(interp, nameObjPtr);
2713         Jim_DecrRefCount(interp, valObjPtr);
2714         free(namebuf);
2715         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2716         return result;
2717 }
2718
2719 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2720 {
2721         command_context_t *context;
2722         target_t *target;
2723
2724         context = Jim_GetAssocData(interp, "context");
2725         if (context == NULL)
2726         {
2727                 LOG_ERROR("mem2array: no command context");
2728                 return JIM_ERR;
2729         }
2730         target = get_current_target(context);
2731         if (target == NULL)
2732         {
2733                 LOG_ERROR("mem2array: no current target");
2734                 return JIM_ERR;
2735         }
2736
2737         return  target_mem2array(interp, target, argc,argv);
2738 }
2739
2740 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2741 {
2742         long l;
2743         u32 width;
2744         int len;
2745         u32 addr;
2746         u32 count;
2747         u32 v;
2748         const char *varname;
2749         u8 buffer[4096];
2750         int  n, e, retval;
2751         u32 i;
2752
2753         /* argv[1] = name of array to receive the data
2754          * argv[2] = desired width
2755          * argv[3] = memory address
2756          * argv[4] = count of times to read
2757          */
2758         if (argc != 5) {
2759                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2760                 return JIM_ERR;
2761         }
2762         varname = Jim_GetString(argv[1], &len);
2763         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2764
2765         e = Jim_GetLong(interp, argv[2], &l);
2766         width = l;
2767         if (e != JIM_OK) {
2768                 return e;
2769         }
2770
2771         e = Jim_GetLong(interp, argv[3], &l);
2772         addr = l;
2773         if (e != JIM_OK) {
2774                 return e;
2775         }
2776         e = Jim_GetLong(interp, argv[4], &l);
2777         len = l;
2778         if (e != JIM_OK) {
2779                 return e;
2780         }
2781         switch (width) {
2782                 case 8:
2783                         width = 1;
2784                         break;
2785                 case 16:
2786                         width = 2;
2787                         break;
2788                 case 32:
2789                         width = 4;
2790                         break;
2791                 default:
2792                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2793                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2794                         return JIM_ERR;
2795         }
2796         if (len == 0) {
2797                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2798                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2799                 return JIM_ERR;
2800         }
2801         if ((addr + (len * width)) < addr) {
2802                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2803                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2804                 return JIM_ERR;
2805         }
2806         /* absurd transfer size? */
2807         if (len > 65536) {
2808                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2809                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2810                 return JIM_ERR;
2811         }
2812
2813         if ((width == 1) ||
2814                 ((width == 2) && ((addr & 1) == 0)) ||
2815                 ((width == 4) && ((addr & 3) == 0))) {
2816                 /* all is well */
2817         } else {
2818                 char buf[100];
2819                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2820                 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2821                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2822                 return JIM_ERR;
2823         }
2824
2825         /* Transfer loop */
2826
2827         /* index counter */
2828         n = 0;
2829         /* assume ok */
2830         e = JIM_OK;
2831         while (len) {
2832                 /* Slurp... in buffer size chunks */
2833
2834                 count = len; /* in objects.. */
2835                 if (count > (sizeof(buffer)/width)) {
2836                         count = (sizeof(buffer)/width);
2837                 }
2838
2839                 retval = target->type->read_memory( target, addr, width, count, buffer );
2840                 if (retval != ERROR_OK) {
2841                         /* BOO !*/
2842                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2843                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2844                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2845                         e = JIM_ERR;
2846                         len = 0;
2847                 } else {
2848                         v = 0; /* shut up gcc */
2849                         for (i = 0 ;i < count ;i++, n++) {
2850                                 switch (width) {
2851                                         case 4:
2852                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
2853                                                 break;
2854                                         case 2:
2855                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
2856                                                 break;
2857                                         case 1:
2858                                                 v = buffer[i] & 0x0ff;
2859                                                 break;
2860                                 }
2861                                 new_int_array_element(interp, varname, n, v);
2862                         }
2863                         len -= count;
2864                 }
2865         }
2866
2867         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2868
2869         return JIM_OK;
2870 }
2871
2872 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
2873 {
2874         char *namebuf;
2875         Jim_Obj *nameObjPtr, *valObjPtr;
2876         int result;
2877         long l;
2878
2879         namebuf = alloc_printf("%s(%d)", varname, idx);
2880         if (!namebuf)
2881                 return JIM_ERR;
2882
2883         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2884         if (!nameObjPtr)
2885         {
2886                 free(namebuf);
2887                 return JIM_ERR;
2888         }
2889
2890         Jim_IncrRefCount(nameObjPtr);
2891         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
2892         Jim_DecrRefCount(interp, nameObjPtr);
2893         free(namebuf);
2894         if (valObjPtr == NULL)
2895                 return JIM_ERR;
2896
2897         result = Jim_GetLong(interp, valObjPtr, &l);
2898         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
2899         *val = l;
2900         return result;
2901 }
2902
2903 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2904 {
2905         command_context_t *context;
2906         target_t *target;
2907
2908         context = Jim_GetAssocData(interp, "context");
2909         if (context == NULL){
2910                 LOG_ERROR("array2mem: no command context");
2911                 return JIM_ERR;
2912         }
2913         target = get_current_target(context);
2914         if (target == NULL){
2915                 LOG_ERROR("array2mem: no current target");
2916                 return JIM_ERR;
2917         }
2918
2919         return target_array2mem( interp,target, argc, argv );
2920 }
2921
2922 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2923 {
2924         long l;
2925         u32 width;
2926         int len;
2927         u32 addr;
2928         u32 count;
2929         u32 v;
2930         const char *varname;
2931         u8 buffer[4096];
2932         int  n, e, retval;
2933         u32 i;
2934
2935         /* argv[1] = name of array to get the data
2936          * argv[2] = desired width
2937          * argv[3] = memory address
2938          * argv[4] = count to write
2939          */
2940         if (argc != 5) {
2941                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2942                 return JIM_ERR;
2943         }
2944         varname = Jim_GetString(argv[1], &len);
2945         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2946
2947         e = Jim_GetLong(interp, argv[2], &l);
2948         width = l;
2949         if (e != JIM_OK) {
2950                 return e;
2951         }
2952
2953         e = Jim_GetLong(interp, argv[3], &l);
2954         addr = l;
2955         if (e != JIM_OK) {
2956                 return e;
2957         }
2958         e = Jim_GetLong(interp, argv[4], &l);
2959         len = l;
2960         if (e != JIM_OK) {
2961                 return e;
2962         }
2963         switch (width) {
2964                 case 8:
2965                         width = 1;
2966                         break;
2967                 case 16:
2968                         width = 2;
2969                         break;
2970                 case 32:
2971                         width = 4;
2972                         break;
2973                 default:
2974                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2975                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2976                         return JIM_ERR;
2977         }
2978         if (len == 0) {
2979                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2980                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
2981                 return JIM_ERR;
2982         }
2983         if ((addr + (len * width)) < addr) {
2984                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2985                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
2986                 return JIM_ERR;
2987         }
2988         /* absurd transfer size? */
2989         if (len > 65536) {
2990                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2991                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
2992                 return JIM_ERR;
2993         }
2994
2995         if ((width == 1) ||
2996                 ((width == 2) && ((addr & 1) == 0)) ||
2997                 ((width == 4) && ((addr & 3) == 0))) {
2998                 /* all is well */
2999         } else {
3000                 char buf[100];
3001                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3002                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
3003                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3004                 return JIM_ERR;
3005         }
3006
3007         /* Transfer loop */
3008
3009         /* index counter */
3010         n = 0;
3011         /* assume ok */
3012         e = JIM_OK;
3013         while (len) {
3014                 /* Slurp... in buffer size chunks */
3015
3016                 count = len; /* in objects.. */
3017                 if (count > (sizeof(buffer)/width)) {
3018                         count = (sizeof(buffer)/width);
3019                 }
3020
3021                 v = 0; /* shut up gcc */
3022                 for (i = 0 ;i < count ;i++, n++) {
3023                         get_int_array_element(interp, varname, n, &v);
3024                         switch (width) {
3025                         case 4:
3026                                 target_buffer_set_u32(target, &buffer[i*width], v);
3027                                 break;
3028                         case 2:
3029                                 target_buffer_set_u16(target, &buffer[i*width], v);
3030                                 break;
3031                         case 1:
3032                                 buffer[i] = v & 0x0ff;
3033                                 break;
3034                         }
3035                 }
3036                 len -= count;
3037
3038                 retval = target->type->write_memory(target, addr, width, count, buffer);
3039                 if (retval != ERROR_OK) {
3040                         /* BOO !*/
3041                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
3042                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3043                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3044                         e = JIM_ERR;
3045                         len = 0;
3046                 }
3047         }
3048
3049         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3050
3051         return JIM_OK;
3052 }
3053
3054 void target_all_handle_event( enum target_event e )
3055 {
3056         target_t *target;
3057
3058         LOG_DEBUG( "**all*targets: event: %d, %s",
3059                         e,
3060                         Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3061
3062         target = all_targets;
3063         while (target){
3064                 target_handle_event( target, e );
3065                 target = target->next;
3066         }
3067 }
3068
3069 void target_handle_event( target_t *target, enum target_event e )
3070 {
3071         target_event_action_t *teap;
3072         int done;
3073
3074         teap = target->event_action;
3075
3076         done = 0;
3077         while( teap ){
3078                 if( teap->event == e ){
3079                         done = 1;
3080                         LOG_DEBUG( "target: (%d) %s (%s) event: %d (%s) action: %s\n",
3081                                            target->target_number,
3082                                            target->cmd_name,
3083                                            target->type->name,
3084                                            e,
3085                                            Jim_Nvp_value2name_simple( nvp_target_event, e )->name,
3086                                            Jim_GetString( teap->body, NULL ) );
3087                         if (Jim_EvalObj( interp, teap->body )!=JIM_OK)
3088                         {
3089                                 Jim_PrintErrorMessage(interp);
3090                         }
3091                 }
3092                 teap = teap->next;
3093         }
3094         if( !done ){
3095                 LOG_DEBUG( "event: %d %s - no action",
3096                                    e,
3097                                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3098         }
3099 }
3100
3101 enum target_cfg_param {
3102         TCFG_TYPE,
3103         TCFG_EVENT,
3104         TCFG_WORK_AREA_VIRT,
3105         TCFG_WORK_AREA_PHYS,
3106         TCFG_WORK_AREA_SIZE,
3107         TCFG_WORK_AREA_BACKUP,
3108         TCFG_ENDIAN,
3109         TCFG_VARIANT,
3110         TCFG_CHAIN_POSITION,
3111 };
3112
3113 static Jim_Nvp nvp_config_opts[] = {
3114         { .name = "-type",             .value = TCFG_TYPE },
3115         { .name = "-event",            .value = TCFG_EVENT },
3116         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3117         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3118         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3119         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3120         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3121         { .name = "-variant",          .value = TCFG_VARIANT },
3122         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3123
3124         { .name = NULL, .value = -1 }
3125 };
3126
3127 static int target_configure( Jim_GetOptInfo *goi, target_t *target )
3128 {
3129         Jim_Nvp *n;
3130         Jim_Obj *o;
3131         jim_wide w;
3132         char *cp;
3133         int e;
3134
3135         /* parse config or cget options ... */
3136         while( goi->argc > 0 ){
3137                 Jim_SetEmptyResult( goi->interp );
3138                 /* Jim_GetOpt_Debug( goi ); */
3139
3140                 if( target->type->target_jim_configure ){
3141                         /* target defines a configure function */
3142                         /* target gets first dibs on parameters */
3143                         e = (*(target->type->target_jim_configure))( target, goi );
3144                         if( e == JIM_OK ){
3145                                 /* more? */
3146                                 continue;
3147                         }
3148                         if( e == JIM_ERR ){
3149                                 /* An error */
3150                                 return e;
3151                         }
3152                         /* otherwise we 'continue' below */
3153                 }
3154                 e = Jim_GetOpt_Nvp( goi, nvp_config_opts, &n );
3155                 if( e != JIM_OK ){
3156                         Jim_GetOpt_NvpUnknown( goi, nvp_config_opts, 0 );
3157                         return e;
3158                 }
3159                 switch( n->value ){
3160                 case TCFG_TYPE:
3161                         /* not setable */
3162                         if( goi->isconfigure ){
3163                                 Jim_SetResult_sprintf( goi->interp, "not setable: %s", n->name );
3164                                 return JIM_ERR;
3165                         } else {
3166                         no_params:
3167                                 if( goi->argc != 0 ){
3168                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "NO PARAMS");
3169                                         return JIM_ERR;
3170                                 }
3171                         }
3172                         Jim_SetResultString( goi->interp, target->type->name, -1 );
3173                         /* loop for more */
3174                         break;
3175                 case TCFG_EVENT:
3176                         if( goi->argc == 0 ){
3177                                 Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3178                                 return JIM_ERR;
3179                         }
3180
3181                         e = Jim_GetOpt_Nvp( goi, nvp_target_event, &n );
3182                         if( e != JIM_OK ){
3183                                 Jim_GetOpt_NvpUnknown( goi, nvp_target_event, 1 );
3184                                 return e;
3185                         }
3186
3187                         if( goi->isconfigure ){
3188                                 if( goi->argc != 1 ){
3189                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3190                                         return JIM_ERR;
3191                                 }
3192                         } else {
3193                                 if( goi->argc != 0 ){
3194                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3195                                         return JIM_ERR;
3196                                 }
3197                         }
3198
3199                         {
3200                                 target_event_action_t *teap;
3201
3202                                 teap = target->event_action;
3203                                 /* replace existing? */
3204                                 while( teap ){
3205                                         if( teap->event == (enum target_event)n->value ){
3206                                                 break;
3207                                         }
3208                                         teap = teap->next;
3209                                 }
3210
3211                                 if( goi->isconfigure ){
3212                                         if( teap == NULL ){
3213                                                 /* create new */
3214                                                 teap = calloc( 1, sizeof(*teap) );
3215                                         }
3216                                         teap->event = n->value;
3217                                         Jim_GetOpt_Obj( goi, &o );
3218                                         if( teap->body ){
3219                                                 Jim_DecrRefCount( interp, teap->body );
3220                                         }
3221                                         teap->body  = Jim_DuplicateObj( goi->interp, o );
3222                                         /*
3223                                          * FIXME:
3224                                          *     Tcl/TK - "tk events" have a nice feature.
3225                                          *     See the "BIND" command.
3226                                          *    We should support that here.
3227                                          *     You can specify %X and %Y in the event code.
3228                                          *     The idea is: %T - target name.
3229                                          *     The idea is: %N - target number
3230                                          *     The idea is: %E - event name.
3231                                          */
3232                                         Jim_IncrRefCount( teap->body );
3233
3234                                         /* add to head of event list */
3235                                         teap->next = target->event_action;
3236                                         target->event_action = teap;
3237                                         Jim_SetEmptyResult(goi->interp);
3238                                 } else {
3239                                         /* get */
3240                                         if( teap == NULL ){
3241                                                 Jim_SetEmptyResult( goi->interp );
3242                                         } else {
3243                                                 Jim_SetResult( goi->interp, Jim_DuplicateObj( goi->interp, teap->body ) );
3244                                         }
3245                                 }
3246                         }
3247                         /* loop for more */
3248                         break;
3249
3250                 case TCFG_WORK_AREA_VIRT:
3251                         if( goi->isconfigure ){
3252                                 target_free_all_working_areas(target);
3253                                 e = Jim_GetOpt_Wide( goi, &w );
3254                                 if( e != JIM_OK ){
3255                                         return e;
3256                                 }
3257                                 target->working_area_virt = w;
3258                         } else {
3259                                 if( goi->argc != 0 ){
3260                                         goto no_params;
3261                                 }
3262                         }
3263                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_virt ) );
3264                         /* loop for more */
3265                         break;
3266
3267                 case TCFG_WORK_AREA_PHYS:
3268                         if( goi->isconfigure ){
3269                                 target_free_all_working_areas(target);
3270                                 e = Jim_GetOpt_Wide( goi, &w );
3271                                 if( e != JIM_OK ){
3272                                         return e;
3273                                 }
3274                                 target->working_area_phys = w;
3275                         } else {
3276                                 if( goi->argc != 0 ){
3277                                         goto no_params;
3278                                 }
3279                         }
3280                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_phys ) );
3281                         /* loop for more */
3282                         break;
3283
3284                 case TCFG_WORK_AREA_SIZE:
3285                         if( goi->isconfigure ){
3286                                 target_free_all_working_areas(target);
3287                                 e = Jim_GetOpt_Wide( goi, &w );
3288                                 if( e != JIM_OK ){
3289                                         return e;
3290                                 }
3291                                 target->working_area_size = w;
3292                         } else {
3293                                 if( goi->argc != 0 ){
3294                                         goto no_params;
3295                                 }
3296                         }
3297                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3298                         /* loop for more */
3299                         break;
3300
3301                 case TCFG_WORK_AREA_BACKUP:
3302                         if( goi->isconfigure ){
3303                                 target_free_all_working_areas(target);
3304                                 e = Jim_GetOpt_Wide( goi, &w );
3305                                 if( e != JIM_OK ){
3306                                         return e;
3307                                 }
3308                                 /* make this exactly 1 or 0 */
3309                                 target->backup_working_area = (!!w);
3310                         } else {
3311                                 if( goi->argc != 0 ){
3312                                         goto no_params;
3313                                 }
3314                         }
3315                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3316                         /* loop for more e*/
3317                         break;
3318
3319                 case TCFG_ENDIAN:
3320                         if( goi->isconfigure ){
3321                                 e = Jim_GetOpt_Nvp( goi, nvp_target_endian, &n );
3322                                 if( e != JIM_OK ){
3323                                         Jim_GetOpt_NvpUnknown( goi, nvp_target_endian, 1 );
3324                                         return e;
3325                                 }
3326                                 target->endianness = n->value;
3327                         } else {
3328                                 if( goi->argc != 0 ){
3329                                         goto no_params;
3330                                 }
3331                         }
3332                         n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3333                         if( n->name == NULL ){
3334                                 target->endianness = TARGET_LITTLE_ENDIAN;
3335                                 n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3336                         }
3337                         Jim_SetResultString( goi->interp, n->name, -1 );
3338                         /* loop for more */
3339                         break;
3340
3341                 case TCFG_VARIANT:
3342                         if( goi->isconfigure ){
3343                                 if( goi->argc < 1 ){
3344                                         Jim_SetResult_sprintf( goi->interp,
3345                                                                                    "%s ?STRING?",
3346                                                                                    n->name );
3347                                         return JIM_ERR;
3348                                 }
3349                                 if( target->variant ){
3350                                         free((void *)(target->variant));
3351                                 }
3352                                 e = Jim_GetOpt_String( goi, &cp, NULL );
3353                                 target->variant = strdup(cp);
3354                         } else {
3355                                 if( goi->argc != 0 ){
3356                                         goto no_params;
3357                                 }
3358                         }
3359                         Jim_SetResultString( goi->interp, target->variant,-1 );
3360                         /* loop for more */
3361                         break;
3362                 case TCFG_CHAIN_POSITION:
3363                         if( goi->isconfigure ){
3364                                 Jim_Obj *o;
3365                                 jtag_tap_t *tap;
3366                                 target_free_all_working_areas(target);
3367                                 e = Jim_GetOpt_Obj( goi, &o );
3368                                 if( e != JIM_OK ){
3369                                         return e;
3370                                 }
3371                                 tap = jtag_TapByJimObj( goi->interp, o );
3372                                 if( tap == NULL ){
3373                                         return JIM_ERR;
3374                                 }
3375                                 /* make this exactly 1 or 0 */
3376                                 target->tap = tap;
3377                         } else {
3378                                 if( goi->argc != 0 ){
3379                                         goto no_params;
3380                                 }
3381                         }
3382                         Jim_SetResultString( interp, target->tap->dotted_name, -1 );
3383                         /* loop for more e*/
3384                         break;
3385                 }
3386         } /* while( goi->argc ) */
3387
3388
3389                 /* done - we return */
3390         return JIM_OK;
3391 }
3392
3393 /** this is the 'tcl' handler for the target specific command */
3394 static int tcl_target_func( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3395 {
3396         Jim_GetOptInfo goi;
3397         jim_wide a,b,c;
3398         int x,y,z;
3399         u8  target_buf[32];
3400         Jim_Nvp *n;
3401         target_t *target;
3402         struct command_context_s *cmd_ctx;
3403         int e;
3404
3405         enum {
3406                 TS_CMD_CONFIGURE,
3407                 TS_CMD_CGET,
3408
3409                 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3410                 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3411                 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3412                 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3413                 TS_CMD_EXAMINE,
3414                 TS_CMD_POLL,
3415                 TS_CMD_RESET,
3416                 TS_CMD_HALT,
3417                 TS_CMD_WAITSTATE,
3418                 TS_CMD_EVENTLIST,
3419                 TS_CMD_CURSTATE,
3420                 TS_CMD_INVOKE_EVENT,
3421         };
3422
3423         static const Jim_Nvp target_options[] = {
3424                 { .name = "configure", .value = TS_CMD_CONFIGURE },
3425                 { .name = "cget", .value = TS_CMD_CGET },
3426                 { .name = "mww", .value = TS_CMD_MWW },
3427                 { .name = "mwh", .value = TS_CMD_MWH },
3428                 { .name = "mwb", .value = TS_CMD_MWB },
3429                 { .name = "mdw", .value = TS_CMD_MDW },
3430                 { .name = "mdh", .value = TS_CMD_MDH },
3431                 { .name = "mdb", .value = TS_CMD_MDB },
3432                 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3433                 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3434                 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3435                 { .name = "curstate",  .value = TS_CMD_CURSTATE },
3436
3437                 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3438                 { .name = "arp_poll", .value = TS_CMD_POLL },
3439                 { .name = "arp_reset", .value = TS_CMD_RESET },
3440                 { .name = "arp_halt", .value = TS_CMD_HALT },
3441                 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3442                 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3443
3444                 { .name = NULL, .value = -1 },
3445         };
3446
3447         /* go past the "command" */
3448         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3449
3450         target = Jim_CmdPrivData( goi.interp );
3451         cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3452
3453         /* commands here are in an NVP table */
3454         e = Jim_GetOpt_Nvp( &goi, target_options, &n );
3455         if( e != JIM_OK ){
3456                 Jim_GetOpt_NvpUnknown( &goi, target_options, 0 );
3457                 return e;
3458         }
3459         /* Assume blank result */
3460         Jim_SetEmptyResult( goi.interp );
3461
3462         switch( n->value ){
3463         case TS_CMD_CONFIGURE:
3464                 if( goi.argc < 2 ){
3465                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3466                         return JIM_ERR;
3467                 }
3468                 goi.isconfigure = 1;
3469                 return target_configure( &goi, target );
3470         case TS_CMD_CGET:
3471                 // some things take params
3472                 if( goi.argc < 1 ){
3473                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "missing: ?-option?");
3474                         return JIM_ERR;
3475                 }
3476                 goi.isconfigure = 0;
3477                 return target_configure( &goi, target );
3478                 break;
3479         case TS_CMD_MWW:
3480         case TS_CMD_MWH:
3481         case TS_CMD_MWB:
3482                 /* argv[0] = cmd
3483                  * argv[1] = address
3484                  * argv[2] = data
3485                  * argv[3] = optional count.
3486                  */
3487
3488                 if( (goi.argc == 3) || (goi.argc == 4) ){
3489                         /* all is well */
3490                 } else {
3491                 mwx_error:
3492                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR DATA [COUNT]", n->name );
3493                         return JIM_ERR;
3494                 }
3495
3496                 e = Jim_GetOpt_Wide( &goi, &a );
3497                 if( e != JIM_OK ){
3498                         goto mwx_error;
3499                 }
3500
3501                 e = Jim_GetOpt_Wide( &goi, &b );
3502                 if( e != JIM_OK ){
3503                         goto mwx_error;
3504                 }
3505                 if( goi.argc ){
3506                         e = Jim_GetOpt_Wide( &goi, &c );
3507                         if( e != JIM_OK ){
3508                                 goto mwx_error;
3509                         }
3510                 } else {
3511                         c = 1;
3512                 }
3513
3514                 switch( n->value ){
3515                 case TS_CMD_MWW:
3516                         target_buffer_set_u32( target, target_buf, b );
3517                         b = 4;
3518                         break;
3519                 case TS_CMD_MWH:
3520                         target_buffer_set_u16( target, target_buf, b );
3521                         b = 2;
3522                         break;
3523                 case TS_CMD_MWB:
3524                         target_buffer_set_u8( target, target_buf, b );
3525                         b = 1;
3526                         break;
3527                 }
3528                 for( x = 0 ; x < c ; x++ ){
3529                         e = target->type->write_memory( target, a, b, 1, target_buf );
3530                         if( e != ERROR_OK ){
3531                                 Jim_SetResult_sprintf( interp, "Error writing @ 0x%08x: %d\n", (int)(a), e );
3532                                 return JIM_ERR;
3533                         }
3534                         /* b = width */
3535                         a = a + b;
3536                 }
3537                 return JIM_OK;
3538                 break;
3539
3540                 /* display */
3541         case TS_CMD_MDW:
3542         case TS_CMD_MDH:
3543         case TS_CMD_MDB:
3544                 /* argv[0] = command
3545                  * argv[1] = address
3546                  * argv[2] = optional count
3547                  */
3548                 if( (goi.argc == 2) || (goi.argc == 3) ){
3549                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR [COUNT]", n->name );
3550                         return JIM_ERR;
3551                 }
3552                 e = Jim_GetOpt_Wide( &goi, &a );
3553                 if( e != JIM_OK ){
3554                         return JIM_ERR;
3555                 }
3556                 if( goi.argc ){
3557                         e = Jim_GetOpt_Wide( &goi, &c );
3558                         if( e != JIM_OK ){
3559                                 return JIM_ERR;
3560                         }
3561                 } else {
3562                         c = 1;
3563                 }
3564                 b = 1; /* shut up gcc */
3565                 switch( n->value ){
3566                 case TS_CMD_MDW:
3567                         b =  4;
3568                         break;
3569                 case TS_CMD_MDH:
3570                         b = 2;
3571                         break;
3572                 case TS_CMD_MDB:
3573                         b = 1;
3574                         break;
3575                 }
3576
3577                 /* convert to "bytes" */
3578                 c = c * b;
3579                 /* count is now in 'BYTES' */
3580                 while( c > 0 ){
3581                         y = c;
3582                         if( y > 16 ){
3583                                 y = 16;
3584                         }
3585                         e = target->type->read_memory( target, a, b, y / b, target_buf );
3586                         if( e != ERROR_OK ){
3587                                 Jim_SetResult_sprintf( interp, "error reading target @ 0x%08lx", (int)(a) );
3588                                 return JIM_ERR;
3589                         }
3590
3591                         Jim_fprintf( interp, interp->cookie_stdout, "0x%08x ", (int)(a) );
3592                         switch( b ){
3593                         case 4:
3594                                 for( x = 0 ; (x < 16) && (x < y) ; x += 4 ){
3595                                         z = target_buffer_get_u32( target, &(target_buf[ x * 4 ]) );
3596                                         Jim_fprintf( interp, interp->cookie_stdout, "%08x ", (int)(z) );
3597                                 }
3598                                 for( ; (x < 16) ; x += 4 ){
3599                                         Jim_fprintf( interp, interp->cookie_stdout, "         " );
3600                                 }
3601                                 break;
3602                         case 2:
3603                                 for( x = 0 ; (x < 16) && (x < y) ; x += 2 ){
3604                                         z = target_buffer_get_u16( target, &(target_buf[ x * 2 ]) );
3605                                         Jim_fprintf( interp, interp->cookie_stdout, "%04x ", (int)(z) );
3606                                 }
3607                                 for( ; (x < 16) ; x += 2 ){
3608                                         Jim_fprintf( interp, interp->cookie_stdout, "     " );
3609                                 }
3610                                 break;
3611                         case 1:
3612                         default:
3613                                 for( x = 0 ; (x < 16) && (x < y) ; x += 1 ){
3614                                         z = target_buffer_get_u8( target, &(target_buf[ x * 4 ]) );
3615                                         Jim_fprintf( interp, interp->cookie_stdout, "%02x ", (int)(z) );
3616                                 }
3617                                 for( ; (x < 16) ; x += 1 ){
3618                                         Jim_fprintf( interp, interp->cookie_stdout, "   " );
3619                                 }
3620                                 break;
3621                         }
3622                         /* ascii-ify the bytes */
3623                         for( x = 0 ; x < y ; x++ ){
3624                                 if( (target_buf[x] >= 0x20) &&
3625                                         (target_buf[x] <= 0x7e) ){
3626                                         /* good */
3627                                 } else {
3628                                         /* smack it */
3629                                         target_buf[x] = '.';
3630                                 }
3631                         }
3632                         /* space pad  */
3633                         while( x < 16 ){
3634                                 target_buf[x] = ' ';
3635                                 x++;
3636                         }
3637                         /* terminate */
3638                         target_buf[16] = 0;
3639                         /* print - with a newline */
3640                         Jim_fprintf( interp, interp->cookie_stdout, "%s\n", target_buf );
3641                         /* NEXT... */
3642                         c -= 16;
3643                         a += 16;
3644                 }
3645                 return JIM_OK;
3646         case TS_CMD_MEM2ARRAY:
3647                 return target_mem2array( goi.interp, target, goi.argc, goi.argv );
3648                 break;
3649         case TS_CMD_ARRAY2MEM:
3650                 return target_array2mem( goi.interp, target, goi.argc, goi.argv );
3651                 break;
3652         case TS_CMD_EXAMINE:
3653                 if( goi.argc ){
3654                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3655                         return JIM_ERR;
3656                 }
3657                 e = target->type->examine( target );
3658                 if( e != ERROR_OK ){
3659                         Jim_SetResult_sprintf( interp, "examine-fails: %d", e );
3660                         return JIM_ERR;
3661                 }
3662                 return JIM_OK;
3663         case TS_CMD_POLL:
3664                 if( goi.argc ){
3665                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3666                         return JIM_ERR;
3667                 }
3668                 if( !(target->type->examined) ){
3669                         e = ERROR_TARGET_NOT_EXAMINED;
3670                 } else {
3671                         e = target->type->poll( target );
3672                 }
3673                 if( e != ERROR_OK ){
3674                         Jim_SetResult_sprintf( interp, "poll-fails: %d", e );
3675                         return JIM_ERR;
3676                 } else {
3677                         return JIM_OK;
3678                 }
3679                 break;
3680         case TS_CMD_RESET:
3681                 if( goi.argc != 2 ){
3682                         Jim_WrongNumArgs( interp, 2, argv, "t|f|assert|deassert BOOL");
3683                         return JIM_ERR;
3684                 }
3685                 e = Jim_GetOpt_Nvp( &goi, nvp_assert, &n );
3686                 if( e != JIM_OK ){
3687                         Jim_GetOpt_NvpUnknown( &goi, nvp_assert, 1 );
3688                         return e;
3689                 }
3690                 /* the halt or not param */
3691                 e = Jim_GetOpt_Wide( &goi, &a);
3692                 if( e != JIM_OK ){
3693                         return e;
3694                 }
3695                 /* determine if we should halt or not. */
3696                 target->reset_halt = !!a;
3697                 /* When this happens - all workareas are invalid. */
3698                 target_free_all_working_areas_restore(target, 0);
3699
3700                 /* do the assert */
3701                 if( n->value == NVP_ASSERT ){
3702                         target->type->assert_reset( target );
3703                 } else {
3704                         target->type->deassert_reset( target );
3705                 }
3706                 return JIM_OK;
3707         case TS_CMD_HALT:
3708                 if( goi.argc ){
3709                         Jim_WrongNumArgs( goi.interp, 0, argv, "halt [no parameters]");
3710                         return JIM_ERR;
3711                 }
3712                 target->type->halt( target );
3713                 return JIM_OK;
3714         case TS_CMD_WAITSTATE:
3715                 /* params:  <name>  statename timeoutmsecs */
3716                 if( goi.argc != 2 ){
3717                         Jim_SetResult_sprintf( goi.interp, "%s STATENAME TIMEOUTMSECS", n->name );
3718                         return JIM_ERR;
3719                 }
3720                 e = Jim_GetOpt_Nvp( &goi, nvp_target_state, &n );
3721                 if( e != JIM_OK ){
3722                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_state,1 );
3723                         return e;
3724                 }
3725                 e = Jim_GetOpt_Wide( &goi, &a );
3726                 if( e != JIM_OK ){
3727                         return e;
3728                 }
3729                 e = target_wait_state( target, n->value, a );
3730                 if( e != ERROR_OK ){
3731                         Jim_SetResult_sprintf( goi.interp,
3732                                                                    "target: %s wait %s fails (%d) %s",
3733                                                                    target->cmd_name,
3734                                                                    n->name,
3735                                                                    e, target_strerror_safe(e) );
3736                         return JIM_ERR;
3737                 } else {
3738                         return JIM_OK;
3739                 }
3740         case TS_CMD_EVENTLIST:
3741                 /* List for human, Events defined for this target.
3742                  * scripts/programs should use 'name cget -event NAME'
3743                  */
3744                 {
3745                         target_event_action_t *teap;
3746                         teap = target->event_action;
3747                         command_print( cmd_ctx, "Event actions for target (%d) %s\n",
3748                                                    target->target_number,
3749                                                    target->cmd_name );
3750                         command_print( cmd_ctx, "%-25s | Body", "Event");
3751                         command_print( cmd_ctx, "------------------------- | ----------------------------------------");
3752                         while( teap ){
3753                                 command_print( cmd_ctx,
3754                                                            "%-25s | %s",
3755                                                            Jim_Nvp_value2name_simple( nvp_target_event, teap->event )->name,
3756                                                            Jim_GetString( teap->body, NULL ) );
3757                                 teap = teap->next;
3758                         }
3759                         command_print( cmd_ctx, "***END***");
3760                         return JIM_OK;
3761                 }
3762         case TS_CMD_CURSTATE:
3763                 if( goi.argc != 0 ){
3764                         Jim_WrongNumArgs( goi.interp, 0, argv, "[no parameters]");
3765                         return JIM_ERR;
3766                 }
3767                 Jim_SetResultString( goi.interp,
3768                                                          Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name,-1);
3769                 return JIM_OK;
3770         case TS_CMD_INVOKE_EVENT:
3771                 if( goi.argc != 1 ){
3772                         Jim_SetResult_sprintf( goi.interp, "%s ?EVENTNAME?",n->name);
3773                         return JIM_ERR;
3774                 }
3775                 e = Jim_GetOpt_Nvp( &goi, nvp_target_event, &n );
3776                 if( e != JIM_OK ){
3777                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_event, 1 );
3778                         return e;
3779                 }
3780                 target_handle_event( target, n->value );
3781                 return JIM_OK;
3782         }
3783         return JIM_ERR;
3784 }
3785
3786 static int target_create( Jim_GetOptInfo *goi )
3787 {
3788         Jim_Obj *new_cmd;
3789         Jim_Cmd *cmd;
3790         const char *cp;
3791         char *cp2;
3792         int e;
3793         int x;
3794         target_t *target;
3795         struct command_context_s *cmd_ctx;
3796
3797         cmd_ctx = Jim_GetAssocData(goi->interp, "context");
3798         if( goi->argc < 3 ){
3799                 Jim_WrongNumArgs( goi->interp, 1, goi->argv, "?name? ?type? ..options...");
3800                 return JIM_ERR;
3801         }
3802
3803         /* COMMAND */
3804         Jim_GetOpt_Obj( goi, &new_cmd );
3805         /* does this command exist? */
3806         cmd = Jim_GetCommand( goi->interp, new_cmd, JIM_ERRMSG );
3807         if( cmd ){
3808                 cp = Jim_GetString( new_cmd, NULL );
3809                 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
3810                 return JIM_ERR;
3811         }
3812
3813         /* TYPE */
3814         e = Jim_GetOpt_String( goi, &cp2, NULL );
3815         cp = cp2;
3816         /* now does target type exist */
3817         for( x = 0 ; target_types[x] ; x++ ){
3818                 if( 0 == strcmp( cp, target_types[x]->name ) ){
3819                         /* found */
3820                         break;
3821                 }
3822         }
3823         if( target_types[x] == NULL ){
3824                 Jim_SetResult_sprintf( goi->interp, "Unknown target type %s, try one of ", cp );
3825                 for( x = 0 ; target_types[x] ; x++ ){
3826                         if( target_types[x+1] ){
3827                                 Jim_AppendStrings( goi->interp,
3828                                                                    Jim_GetResult(goi->interp),
3829                                                                    target_types[x]->name,
3830                                                                    ", ", NULL);
3831                         } else {
3832                                 Jim_AppendStrings( goi->interp,
3833                                                                    Jim_GetResult(goi->interp),
3834                                                                    " or ",
3835                                                                    target_types[x]->name,NULL );
3836                         }
3837                 }
3838                 return JIM_ERR;
3839         }
3840
3841         /* Create it */
3842         target = calloc(1,sizeof(target_t));
3843         /* set target number */
3844         target->target_number = new_target_number();
3845
3846         /* allocate memory for each unique target type */
3847         target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
3848
3849         memcpy( target->type, target_types[x], sizeof(target_type_t));
3850
3851         /* will be set by "-endian" */
3852         target->endianness = TARGET_ENDIAN_UNKNOWN;
3853
3854         target->working_area        = 0x0;
3855         target->working_area_size   = 0x0;
3856         target->working_areas       = NULL;
3857         target->backup_working_area = 0;
3858
3859         target->state               = TARGET_UNKNOWN;
3860         target->debug_reason        = DBG_REASON_UNDEFINED;
3861         target->reg_cache           = NULL;
3862         target->breakpoints         = NULL;
3863         target->watchpoints         = NULL;
3864         target->next                = NULL;
3865         target->arch_info           = NULL;
3866
3867         target->display             = 1;
3868
3869         /* initialize trace information */
3870         target->trace_info = malloc(sizeof(trace_t));
3871         target->trace_info->num_trace_points         = 0;
3872         target->trace_info->trace_points_size        = 0;
3873         target->trace_info->trace_points             = NULL;
3874         target->trace_info->trace_history_size       = 0;
3875         target->trace_info->trace_history            = NULL;
3876         target->trace_info->trace_history_pos        = 0;
3877         target->trace_info->trace_history_overflowed = 0;
3878
3879         target->dbgmsg          = NULL;
3880         target->dbg_msg_enabled = 0;
3881
3882         target->endianness = TARGET_ENDIAN_UNKNOWN;
3883
3884         /* Do the rest as "configure" options */
3885         goi->isconfigure = 1;
3886         e = target_configure( goi, target);
3887
3888         if (target->tap == NULL)
3889         {
3890                 Jim_SetResultString( interp, "-chain-position required when creating target", -1);
3891                 e=JIM_ERR;
3892         }
3893
3894         if( e != JIM_OK ){
3895                 free( target->type );
3896                 free( target );
3897                 return e;
3898         }
3899
3900         if( target->endianness == TARGET_ENDIAN_UNKNOWN ){
3901                 /* default endian to little if not specified */
3902                 target->endianness = TARGET_LITTLE_ENDIAN;
3903         }
3904
3905         /* incase variant is not set */
3906         if (!target->variant)
3907                 target->variant = strdup("");
3908
3909         /* create the target specific commands */
3910         if( target->type->register_commands ){
3911                 (*(target->type->register_commands))( cmd_ctx );
3912         }
3913         if( target->type->target_create ){
3914                 (*(target->type->target_create))( target, goi->interp );
3915         }
3916
3917         /* append to end of list */
3918         {
3919                 target_t **tpp;
3920                 tpp = &(all_targets);
3921                 while( *tpp ){
3922                         tpp = &( (*tpp)->next );
3923                 }
3924                 *tpp = target;
3925         }
3926
3927         cp = Jim_GetString( new_cmd, NULL );
3928         target->cmd_name = strdup(cp);
3929
3930         /* now - create the new target name command */
3931         e = Jim_CreateCommand( goi->interp,
3932                                                    /* name */
3933                                                    cp,
3934                                                    tcl_target_func, /* C function */
3935                                                    target, /* private data */
3936                                                    NULL ); /* no del proc */
3937
3938         return e;
3939 }
3940
3941 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3942 {
3943         int x,r,e;
3944         jim_wide w;
3945         struct command_context_s *cmd_ctx;
3946         target_t *target;
3947         Jim_GetOptInfo goi;
3948         enum tcmd {
3949                 /* TG = target generic */
3950                 TG_CMD_CREATE,
3951                 TG_CMD_TYPES,
3952                 TG_CMD_NAMES,
3953                 TG_CMD_CURRENT,
3954                 TG_CMD_NUMBER,
3955                 TG_CMD_COUNT,
3956         };
3957         const char *target_cmds[] = {
3958                 "create", "types", "names", "current", "number",
3959                 "count",
3960                 NULL /* terminate */
3961         };
3962
3963         LOG_DEBUG("Target command params:");
3964         LOG_DEBUG("%s", Jim_Debug_ArgvString(interp, argc, argv));
3965
3966         cmd_ctx = Jim_GetAssocData( interp, "context" );
3967
3968         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3969
3970         if( goi.argc == 0 ){
3971                 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
3972                 return JIM_ERR;
3973         }
3974
3975         /* Jim_GetOpt_Debug( &goi ); */
3976         r = Jim_GetOpt_Enum( &goi, target_cmds, &x   );
3977         if( r != JIM_OK ){
3978                 return r;
3979         }
3980
3981         switch(x){
3982         default:
3983                 Jim_Panic(goi.interp,"Why am I here?");
3984                 return JIM_ERR;
3985         case TG_CMD_CURRENT:
3986                 if( goi.argc != 0 ){
3987                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters");
3988                         return JIM_ERR;
3989                 }
3990                 Jim_SetResultString( goi.interp, get_current_target( cmd_ctx )->cmd_name, -1 );
3991                 return JIM_OK;
3992         case TG_CMD_TYPES:
3993                 if( goi.argc != 0 ){
3994                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
3995                         return JIM_ERR;
3996                 }
3997                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
3998                 for( x = 0 ; target_types[x] ; x++ ){
3999                         Jim_ListAppendElement( goi.interp,
4000                                                                    Jim_GetResult(goi.interp),
4001                                                                    Jim_NewStringObj( goi.interp, target_types[x]->name, -1 ) );
4002                 }
4003                 return JIM_OK;
4004         case TG_CMD_NAMES:
4005                 if( goi.argc != 0 ){
4006                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4007                         return JIM_ERR;
4008                 }
4009                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4010                 target = all_targets;
4011                 while( target ){
4012                         Jim_ListAppendElement( goi.interp,
4013                                                                    Jim_GetResult(goi.interp),
4014                                                                    Jim_NewStringObj( goi.interp, target->cmd_name, -1 ) );
4015                         target = target->next;
4016                 }
4017                 return JIM_OK;
4018         case TG_CMD_CREATE:
4019                 if( goi.argc < 3 ){
4020                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "?name  ... config options ...");
4021                         return JIM_ERR;
4022                 }
4023                 return target_create( &goi );
4024                 break;
4025         case TG_CMD_NUMBER:
4026                 if( goi.argc != 1 ){
4027                         Jim_SetResult_sprintf( goi.interp, "expected: target number ?NUMBER?");
4028                         return JIM_ERR;
4029                 }
4030                 e = Jim_GetOpt_Wide( &goi, &w );
4031                 if( e != JIM_OK ){
4032                         return JIM_ERR;
4033                 }
4034                 {
4035                         target_t *t;
4036                         t = get_target_by_num(w);
4037                         if( t == NULL ){
4038                                 Jim_SetResult_sprintf( goi.interp,"Target: number %d does not exist", (int)(w));
4039                                 return JIM_ERR;
4040                         }
4041                         Jim_SetResultString( goi.interp, t->cmd_name, -1 );
4042                         return JIM_OK;
4043                 }
4044         case TG_CMD_COUNT:
4045                 if( goi.argc != 0 ){
4046                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "<no parameters>");
4047                         return JIM_ERR;
4048                 }
4049                 Jim_SetResult( goi.interp,
4050                                            Jim_NewIntObj( goi.interp, max_target_number()));
4051                 return JIM_OK;
4052         }
4053
4054         return JIM_ERR;
4055 }
4056
4057
4058 struct FastLoad
4059 {
4060         u32 address;
4061         u8 *data;
4062         int length;
4063
4064 };
4065
4066 static int fastload_num;
4067 static struct FastLoad *fastload;
4068
4069 static void free_fastload(void)
4070 {
4071         if (fastload!=NULL)
4072         {
4073                 int i;
4074                 for (i=0; i<fastload_num; i++)
4075                 {
4076                         if (fastload[i].data)
4077                                 free(fastload[i].data);
4078                 }
4079                 free(fastload);
4080                 fastload=NULL;
4081         }
4082 }
4083
4084
4085
4086
4087 int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4088 {
4089         u8 *buffer;
4090         u32 buf_cnt;
4091         u32 image_size;
4092         u32 min_address=0;
4093         u32 max_address=0xffffffff;
4094         int i;
4095         int retval;
4096
4097         image_t image;
4098
4099         duration_t duration;
4100         char *duration_text;
4101
4102         if ((argc < 1)||(argc > 5))
4103         {
4104                 return ERROR_COMMAND_SYNTAX_ERROR;
4105         }
4106
4107         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
4108         if (argc >= 2)
4109         {
4110                 image.base_address_set = 1;
4111                 image.base_address = strtoul(args[1], NULL, 0);
4112         }
4113         else
4114         {
4115                 image.base_address_set = 0;
4116         }
4117
4118
4119         image.start_address_set = 0;
4120
4121         if (argc>=4)
4122         {
4123                 min_address=strtoul(args[3], NULL, 0);
4124         }
4125         if (argc>=5)
4126         {
4127                 max_address=strtoul(args[4], NULL, 0)+min_address;
4128         }
4129
4130         if (min_address>max_address)
4131         {
4132                 return ERROR_COMMAND_SYNTAX_ERROR;
4133         }
4134
4135         duration_start_measure(&duration);
4136
4137         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
4138         {
4139                 return ERROR_OK;
4140         }
4141
4142         image_size = 0x0;
4143         retval = ERROR_OK;
4144         fastload_num=image.num_sections;
4145         fastload=(struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
4146         if (fastload==NULL)
4147         {
4148                 image_close(&image);
4149                 return ERROR_FAIL;
4150         }
4151         memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
4152         for (i = 0; i < image.num_sections; i++)
4153         {
4154                 buffer = malloc(image.sections[i].size);
4155                 if (buffer == NULL)
4156                 {
4157                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
4158                         break;
4159                 }
4160
4161                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
4162                 {
4163                         free(buffer);
4164                         break;
4165                 }
4166
4167                 u32 offset=0;
4168                 u32 length=buf_cnt;
4169
4170
4171                 /* DANGER!!! beware of unsigned comparision here!!! */
4172
4173                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
4174                                 (image.sections[i].base_address<max_address))
4175                 {
4176                         if (image.sections[i].base_address<min_address)
4177                         {
4178                                 /* clip addresses below */
4179                                 offset+=min_address-image.sections[i].base_address;
4180                                 length-=offset;
4181                         }
4182
4183                         if (image.sections[i].base_address+buf_cnt>max_address)
4184                         {
4185                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
4186                         }
4187
4188                         fastload[i].address=image.sections[i].base_address+offset;
4189                         fastload[i].data=malloc(length);
4190                         if (fastload[i].data==NULL)
4191                         {
4192                                 free(buffer);
4193                                 break;
4194                         }
4195                         memcpy(fastload[i].data, buffer+offset, length);
4196                         fastload[i].length=length;
4197
4198                         image_size += length;
4199                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
4200                 }
4201
4202                 free(buffer);
4203         }
4204
4205         duration_stop_measure(&duration, &duration_text);
4206         if (retval==ERROR_OK)
4207         {
4208                 command_print(cmd_ctx, "Loaded %u bytes in %s", image_size, duration_text);
4209                 command_print(cmd_ctx, "NB!!! image has not been loaded to target, issue a subsequent 'fast_load' to do so.");
4210         }
4211         free(duration_text);
4212
4213         image_close(&image);
4214
4215         if (retval!=ERROR_OK)
4216         {
4217                 free_fastload();
4218         }
4219
4220         return retval;
4221 }
4222
4223 int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4224 {
4225         if (argc>0)
4226                 return ERROR_COMMAND_SYNTAX_ERROR;
4227         if (fastload==NULL)
4228         {
4229                 LOG_ERROR("No image in memory");
4230                 return ERROR_FAIL;
4231         }
4232         int i;
4233         int ms=timeval_ms();
4234         int size=0;
4235         int retval=ERROR_OK;
4236         for (i=0; i<fastload_num;i++)
4237         {
4238                 target_t *target = get_current_target(cmd_ctx);
4239                 command_print(cmd_ctx, "Write to 0x%08x, length 0x%08x", fastload[i].address, fastload[i].length);
4240                 if (retval==ERROR_OK)
4241                 {
4242                         retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
4243                 }
4244                 size+=fastload[i].length;
4245         }
4246         int after=timeval_ms();
4247         command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
4248         return retval;
4249 }