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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/stat.h>
  50 #include <unistd.h>
  51 #include <errno.h>
  52
  53 #include <sys/time.h>
  54 #include <time.h>
  55
  56 #include <time_support.h>
  57
  58 #include <fileio.h>
  59 #include <image.h>
  60
  61 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  62
  63 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  64 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  65 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  66 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  67 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  68 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  69 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  70 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  71 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  72 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  73 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  74 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  75 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  76 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  77 static int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  78 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  79 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  80 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  81 static int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
  82 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  83 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  84 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  85
  86 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  87 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  88 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv);
  89
  90 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  91 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv);
  92
  93 /* targets */
  94 extern target_type_t arm7tdmi_target;
  95 extern target_type_t arm720t_target;
  96 extern target_type_t arm9tdmi_target;
  97 extern target_type_t arm920t_target;
  98 extern target_type_t arm966e_target;
  99 extern target_type_t arm926ejs_target;
 100 extern target_type_t feroceon_target;
 101 extern target_type_t xscale_target;
 102 extern target_type_t cortexm3_target;
 103 extern target_type_t cortexa8_target;
 104 extern target_type_t arm11_target;
 105 extern target_type_t mips_m4k_target;
 106 extern target_type_t avr_target;
 107
 108 target_type_t *target_types[] =
 109 {
 110         &arm7tdmi_target,
 111         &arm9tdmi_target,
 112         &arm920t_target,
 113         &arm720t_target,
 114         &arm966e_target,
 115         &arm926ejs_target,
 116         &feroceon_target,
 117         &xscale_target,
 118         &cortexm3_target,
 119         &cortexa8_target,
 120         &arm11_target,
 121         &mips_m4k_target,
 122         &avr_target,
 123         NULL,
 124 };
 125
 126 target_t *all_targets = NULL;
 127 target_event_callback_t *target_event_callbacks = NULL;
 128 target_timer_callback_t *target_timer_callbacks = NULL;
 129
 130 const Jim_Nvp nvp_assert[] = {
 131         { .name = "assert", NVP_ASSERT },
 132         { .name = "deassert", NVP_DEASSERT },
 133         { .name = "T", NVP_ASSERT },
 134         { .name = "F", NVP_DEASSERT },
 135         { .name = "t", NVP_ASSERT },
 136         { .name = "f", NVP_DEASSERT },
 137         { .name = NULL, .value = -1 }
 138 };
 139
 140 const Jim_Nvp nvp_error_target[] = {
 141         { .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
 142         { .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
 143         { .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
 144         { .value = ERROR_TARGET_NOT_HALTED, .name = "err-not-halted" },
 145         { .value = ERROR_TARGET_FAILURE, .name = "err-failure" },
 146         { .value = ERROR_TARGET_UNALIGNED_ACCESS   , .name = "err-unaligned-access" },
 147         { .value = ERROR_TARGET_DATA_ABORT , .name = "err-data-abort" },
 148         { .value = ERROR_TARGET_RESOURCE_NOT_AVAILABLE , .name = "err-resource-not-available" },
 149         { .value = ERROR_TARGET_TRANSLATION_FAULT  , .name = "err-translation-fault" },
 150         { .value = ERROR_TARGET_NOT_RUNNING, .name = "err-not-running" },
 151         { .value = ERROR_TARGET_NOT_EXAMINED, .name = "err-not-examined" },
 152         { .value = -1, .name = NULL }
 153 };
 154
 155 const char *target_strerror_safe( int err )
 156 {
 157         const Jim_Nvp *n;
 158
 159         n = Jim_Nvp_value2name_simple( nvp_error_target, err );
 160         if( n->name == NULL ){
 161                 return "unknown";
 162         } else {
 163                 return n->name;
 164         }
 165 }
 166
 167 const Jim_Nvp nvp_target_event[] = {
 168         { .value = TARGET_EVENT_OLD_gdb_program_config , .name = "old-gdb_program_config" },
 169         { .value = TARGET_EVENT_OLD_pre_resume         , .name = "old-pre_resume" },
 170
 171         { .value = TARGET_EVENT_EARLY_HALTED, .name = "early-halted" },
 172         { .value = TARGET_EVENT_HALTED, .name = "halted" },
 173         { .value = TARGET_EVENT_RESUMED, .name = "resumed" },
 174         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 175         { .value = TARGET_EVENT_RESUME_END, .name = "resume-end" },
 176
 177         { .name = "gdb-start", .value = TARGET_EVENT_GDB_START },
 178         { .name = "gdb-end", .value = TARGET_EVENT_GDB_END },
 179
 180         /* historical name */
 181
 182         { .value = TARGET_EVENT_RESET_START, .name = "reset-start" },
 183
 184         { .value = TARGET_EVENT_RESET_ASSERT_PRE,    .name = "reset-assert-pre" },
 185         { .value = TARGET_EVENT_RESET_ASSERT_POST,   .name = "reset-assert-post" },
 186         { .value = TARGET_EVENT_RESET_DEASSERT_PRE,  .name = "reset-deassert-pre" },
 187         { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" },
 188         { .value = TARGET_EVENT_RESET_HALT_PRE,      .name = "reset-halt-pre" },
 189         { .value = TARGET_EVENT_RESET_HALT_POST,     .name = "reset-halt-post" },
 190         { .value = TARGET_EVENT_RESET_WAIT_PRE,      .name = "reset-wait-pre" },
 191         { .value = TARGET_EVENT_RESET_WAIT_POST,     .name = "reset-wait-post" },
 192         { .value = TARGET_EVENT_RESET_INIT , .name = "reset-init" },
 193         { .value = TARGET_EVENT_RESET_END, .name = "reset-end" },
 194
 195         { .value = TARGET_EVENT_EXAMINE_START, .name = "examine-start" },
 196         { .value = TARGET_EVENT_EXAMINE_END, .name = "examine-end" },
 197
 198         { .value = TARGET_EVENT_DEBUG_HALTED, .name = "debug-halted" },
 199         { .value = TARGET_EVENT_DEBUG_RESUMED, .name = "debug-resumed" },
 200
 201         { .value = TARGET_EVENT_GDB_ATTACH, .name = "gdb-attach" },
 202         { .value = TARGET_EVENT_GDB_DETACH, .name = "gdb-detach" },
 203
 204         { .value = TARGET_EVENT_GDB_FLASH_WRITE_START, .name = "gdb-flash-write-start" },
 205         { .value = TARGET_EVENT_GDB_FLASH_WRITE_END  , .name = "gdb-flash-write-end"   },
 206
 207         { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" },
 208         { .value = TARGET_EVENT_GDB_FLASH_ERASE_END  , .name = "gdb-flash-erase-end" },
 209
 210         { .value = TARGET_EVENT_RESUME_START, .name = "resume-start" },
 211         { .value = TARGET_EVENT_RESUMED     , .name = "resume-ok" },
 212         { .value = TARGET_EVENT_RESUME_END  , .name = "resume-end" },
 213
 214         { .name = NULL, .value = -1 }
 215 };
 216
 217 const Jim_Nvp nvp_target_state[] = {
 218         { .name = "unknown", .value = TARGET_UNKNOWN },
 219         { .name = "running", .value = TARGET_RUNNING },
 220         { .name = "halted",  .value = TARGET_HALTED },
 221         { .name = "reset",   .value = TARGET_RESET },
 222         { .name = "debug-running", .value = TARGET_DEBUG_RUNNING },
 223         { .name = NULL, .value = -1 },
 224 };
 225
 226 const Jim_Nvp nvp_target_debug_reason [] = {
 227         { .name = "debug-request"            , .value = DBG_REASON_DBGRQ },
 228         { .name = "breakpoint"               , .value = DBG_REASON_BREAKPOINT },
 229         { .name = "watchpoint"               , .value = DBG_REASON_WATCHPOINT },
 230         { .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
 231         { .name = "single-step"              , .value = DBG_REASON_SINGLESTEP },
 232         { .name = "target-not-halted"        , .value = DBG_REASON_NOTHALTED  },
 233         { .name = "undefined"                , .value = DBG_REASON_UNDEFINED },
 234         { .name = NULL, .value = -1 },
 235 };
 236
 237 const Jim_Nvp nvp_target_endian[] = {
 238         { .name = "big",    .value = TARGET_BIG_ENDIAN },
 239         { .name = "little", .value = TARGET_LITTLE_ENDIAN },
 240         { .name = "be",     .value = TARGET_BIG_ENDIAN },
 241         { .name = "le",     .value = TARGET_LITTLE_ENDIAN },
 242         { .name = NULL,     .value = -1 },
 243 };
 244
 245 const Jim_Nvp nvp_reset_modes[] = {
 246         { .name = "unknown", .value = RESET_UNKNOWN },
 247         { .name = "run"    , .value = RESET_RUN },
 248         { .name = "halt"   , .value = RESET_HALT },
 249         { .name = "init"   , .value = RESET_INIT },
 250         { .name = NULL     , .value = -1 },
 251 };
 252
 253 static int max_target_number(void)
 254 {
 255         target_t *t;
 256         int x;
 257
 258         x = -1;
 259         t = all_targets;
 260         while( t ){
 261                 if( x < t->target_number ){
 262                         x = (t->target_number)+1;
 263                 }
 264                 t = t->next;
 265         }
 266         return x;
 267 }
 268
 269 /* determine the number of the new target */
 270 static int new_target_number(void)
 271 {
 272         target_t *t;
 273         int x;
 274
 275         /* number is 0 based */
 276         x = -1;
 277         t = all_targets;
 278         while(t){
 279                 if( x < t->target_number ){
 280                         x = t->target_number;
 281                 }
 282                 t = t->next;
 283         }
 284         return x+1;
 285 }
 286
 287 static int target_continous_poll = 1;
 288
 289 /* read a u32 from a buffer in target memory endianness */
 290 u32 target_buffer_get_u32(target_t *target, u8 *buffer)
 291 {
 292         if (target->endianness == TARGET_LITTLE_ENDIAN)
 293                 return le_to_h_u32(buffer);
 294         else
 295                 return be_to_h_u32(buffer);
 296 }
 297
 298 /* read a u16 from a buffer in target memory endianness */
 299 u16 target_buffer_get_u16(target_t *target, u8 *buffer)
 300 {
 301         if (target->endianness == TARGET_LITTLE_ENDIAN)
 302                 return le_to_h_u16(buffer);
 303         else
 304                 return be_to_h_u16(buffer);
 305 }
 306
 307 /* read a u8 from a buffer in target memory endianness */
 308 u8 target_buffer_get_u8(target_t *target, u8 *buffer)
 309 {
 310         return *buffer & 0x0ff;
 311 }
 312
 313 /* write a u32 to a buffer in target memory endianness */
 314 void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
 315 {
 316         if (target->endianness == TARGET_LITTLE_ENDIAN)
 317                 h_u32_to_le(buffer, value);
 318         else
 319                 h_u32_to_be(buffer, value);
 320 }
 321
 322 /* write a u16 to a buffer in target memory endianness */
 323 void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
 324 {
 325         if (target->endianness == TARGET_LITTLE_ENDIAN)
 326                 h_u16_to_le(buffer, value);
 327         else
 328                 h_u16_to_be(buffer, value);
 329 }
 330
 331 /* write a u8 to a buffer in target memory endianness */
 332 void target_buffer_set_u8(target_t *target, u8 *buffer, u8 value)
 333 {
 334         *buffer = value;
 335 }
 336
 337 /* returns a pointer to the n-th configured target */
 338 target_t* get_target_by_num(int num)
 339 {
 340         target_t *target = all_targets;
 341
 342         while (target){
 343                 if( target->target_number == num ){
 344                         return target;
 345                 }
 346                 target = target->next;
 347         }
 348
 349         return NULL;
 350 }
 351
 352 int get_num_by_target(target_t *query_target)
 353 {
 354         return query_target->target_number;
 355 }
 356
 357 target_t* get_current_target(command_context_t *cmd_ctx)
 358 {
 359         target_t *target = get_target_by_num(cmd_ctx->current_target);
 360
 361         if (target == NULL)
 362         {
 363                 LOG_ERROR("BUG: current_target out of bounds");
 364                 exit(-1);
 365         }
 366
 367         return target;
 368 }
 369
 370 int target_poll(struct target_s *target)
 371 {
 372         /* We can't poll until after examine */
 373         if (!target->type->examined)
 374         {
 375                 /* Fail silently lest we pollute the log */
 376                 return ERROR_FAIL;
 377         }
 378         return target->type->poll(target);
 379 }
 380
 381 int target_halt(struct target_s *target)
 382 {
 383         /* We can't poll until after examine */
 384         if (!target->type->examined)
 385         {
 386                 LOG_ERROR("Target not examined yet");
 387                 return ERROR_FAIL;
 388         }
 389         return target->type->halt(target);
 390 }
 391
 392 int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
 393 {
 394         int retval;
 395
 396         /* We can't poll until after examine */
 397         if (!target->type->examined)
 398         {
 399                 LOG_ERROR("Target not examined yet");
 400                 return ERROR_FAIL;
 401         }
 402
 403         /* note that resume *must* be asynchronous. The CPU can halt before we poll. The CPU can
 404          * even halt at the current PC as a result of a software breakpoint being inserted by (a bug?)
 405          * the application.
 406          */
 407         if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
 408                 return retval;
 409
 410         return retval;
 411 }
 412
 413 int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
 414 {
 415         char buf[100];
 416         int retval;
 417         Jim_Nvp *n;
 418         n = Jim_Nvp_value2name_simple( nvp_reset_modes, reset_mode );
 419         if( n->name == NULL ){
 420                 LOG_ERROR("invalid reset mode");
 421                 return ERROR_FAIL;
 422         }
 423
 424         sprintf( buf, "ocd_process_reset %s", n->name );
 425         retval = Jim_Eval( interp, buf );
 426
 427         if(retval != JIM_OK) {
 428                 Jim_PrintErrorMessage(interp);
 429                 return ERROR_FAIL;
 430         }
 431
 432         /* We want any events to be processed before the prompt */
 433         retval = target_call_timer_callbacks_now();
 434
 435         return retval;
 436 }
 437
 438 static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
 439 {
 440         *physical = virtual;
 441         return ERROR_OK;
 442 }
 443
 444 static int default_mmu(struct target_s *target, int *enabled)
 445 {
 446         *enabled = 0;
 447         return ERROR_OK;
 448 }
 449
 450 static int default_examine(struct target_s *target)
 451 {
 452         target->type->examined = 1;
 453         return ERROR_OK;
 454 }
 455
 456 /* Targets that correctly implement init+examine, i.e.
 457  * no communication with target during init:
 458  *
 459  * XScale
 460  */
 461 int target_examine(void)
 462 {
 463         int retval = ERROR_OK;
 464         target_t *target = all_targets;
 465         while (target)
 466         {
 467                 if ((retval = target->type->examine(target))!=ERROR_OK)
 468                         return retval;
 469                 target = target->next;
 470         }
 471         return retval;
 472 }
 473
 474 static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 475 {
 476         if (!target->type->examined)
 477         {
 478                 LOG_ERROR("Target not examined yet");
 479                 return ERROR_FAIL;
 480         }
 481         return target->type->write_memory_imp(target, address, size, count, buffer);
 482 }
 483
 484 static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
 485 {
 486         if (!target->type->examined)
 487         {
 488                 LOG_ERROR("Target not examined yet");
 489                 return ERROR_FAIL;
 490         }
 491         return target->type->read_memory_imp(target, address, size, count, buffer);
 492 }
 493
 494 static int target_soft_reset_halt_imp(struct target_s *target)
 495 {
 496         if (!target->type->examined)
 497         {
 498                 LOG_ERROR("Target not examined yet");
 499                 return ERROR_FAIL;
 500         }
 501         return target->type->soft_reset_halt_imp(target);
 502 }
 503
 504 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)
 505 {
 506         if (!target->type->examined)
 507         {
 508                 LOG_ERROR("Target not examined yet");
 509                 return ERROR_FAIL;
 510         }
 511         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);
 512 }
 513
 514 int target_init(struct command_context_s *cmd_ctx)
 515 {
 516         target_t *target = all_targets;
 517         int retval;
 518
 519         while (target)
 520         {
 521                 target->type->examined = 0;
 522                 if (target->type->examine == NULL)
 523                 {
 524                         target->type->examine = default_examine;
 525                 }
 526
 527                 if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
 528                 {
 529                         LOG_ERROR("target '%s' init failed", target->type->name);
 530                         return retval;
 531                 }
 532
 533                 /* Set up default functions if none are provided by target */
 534                 if (target->type->virt2phys == NULL)
 535                 {
 536                         target->type->virt2phys = default_virt2phys;
 537                 }
 538                 target->type->virt2phys = default_virt2phys;
 539                 /* a non-invasive way(in terms of patches) to add some code that
 540                  * runs before the type->write/read_memory implementation
 541                  */
 542                 target->type->write_memory_imp = target->type->write_memory;
 543                 target->type->write_memory = target_write_memory_imp;
 544                 target->type->read_memory_imp = target->type->read_memory;
 545                 target->type->read_memory = target_read_memory_imp;
 546                 target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
 547                 target->type->soft_reset_halt = target_soft_reset_halt_imp;
 548                 target->type->run_algorithm_imp = target->type->run_algorithm;
 549                 target->type->run_algorithm = target_run_algorithm_imp;
 550
 551                 if (target->type->mmu == NULL)
 552                 {
 553                         target->type->mmu = default_mmu;
 554                 }
 555                 target = target->next;
 556         }
 557
 558         if (all_targets)
 559         {
 560                 if((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
 561                         return retval;
 562                 if((retval = target_register_timer_callback(handle_target, 100, 1, NULL)) != ERROR_OK)
 563                         return retval;
 564         }
 565
 566         return ERROR_OK;
 567 }
 568
 569 int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 570 {
 571         target_event_callback_t **callbacks_p = &target_event_callbacks;
 572
 573         if (callback == NULL)
 574         {
 575                 return ERROR_INVALID_ARGUMENTS;
 576         }
 577
 578         if (*callbacks_p)
 579         {
 580                 while ((*callbacks_p)->next)
 581                         callbacks_p = &((*callbacks_p)->next);
 582                 callbacks_p = &((*callbacks_p)->next);
 583         }
 584
 585         (*callbacks_p) = malloc(sizeof(target_event_callback_t));
 586         (*callbacks_p)->callback = callback;
 587         (*callbacks_p)->priv = priv;
 588         (*callbacks_p)->next = NULL;
 589
 590         return ERROR_OK;
 591 }
 592
 593 int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
 594 {
 595         target_timer_callback_t **callbacks_p = &target_timer_callbacks;
 596         struct timeval now;
 597
 598         if (callback == NULL)
 599         {
 600                 return ERROR_INVALID_ARGUMENTS;
 601         }
 602
 603         if (*callbacks_p)
 604         {
 605                 while ((*callbacks_p)->next)
 606                         callbacks_p = &((*callbacks_p)->next);
 607                 callbacks_p = &((*callbacks_p)->next);
 608         }
 609
 610         (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
 611         (*callbacks_p)->callback = callback;
 612         (*callbacks_p)->periodic = periodic;
 613         (*callbacks_p)->time_ms = time_ms;
 614
 615         gettimeofday(&now, NULL);
 616         (*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 617         time_ms -= (time_ms % 1000);
 618         (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000);
 619         if ((*callbacks_p)->when.tv_usec > 1000000)
 620         {
 621                 (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000;
 622                 (*callbacks_p)->when.tv_sec += 1;
 623         }
 624
 625         (*callbacks_p)->priv = priv;
 626         (*callbacks_p)->next = NULL;
 627
 628         return ERROR_OK;
 629 }
 630
 631 int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
 632 {
 633         target_event_callback_t **p = &target_event_callbacks;
 634         target_event_callback_t *c = target_event_callbacks;
 635
 636         if (callback == NULL)
 637         {
 638                 return ERROR_INVALID_ARGUMENTS;
 639         }
 640
 641         while (c)
 642         {
 643                 target_event_callback_t *next = c->next;
 644                 if ((c->callback == callback) && (c->priv == priv))
 645                 {
 646                         *p = next;
 647                         free(c);
 648                         return ERROR_OK;
 649                 }
 650                 else
 651                         p = &(c->next);
 652                 c = next;
 653         }
 654
 655         return ERROR_OK;
 656 }
 657
 658 int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
 659 {
 660         target_timer_callback_t **p = &target_timer_callbacks;
 661         target_timer_callback_t *c = target_timer_callbacks;
 662
 663         if (callback == NULL)
 664         {
 665                 return ERROR_INVALID_ARGUMENTS;
 666         }
 667
 668         while (c)
 669         {
 670                 target_timer_callback_t *next = c->next;
 671                 if ((c->callback == callback) && (c->priv == priv))
 672                 {
 673                         *p = next;
 674                         free(c);
 675                         return ERROR_OK;
 676                 }
 677                 else
 678                         p = &(c->next);
 679                 c = next;
 680         }
 681
 682         return ERROR_OK;
 683 }
 684
 685 int target_call_event_callbacks(target_t *target, enum target_event event)
 686 {
 687         target_event_callback_t *callback = target_event_callbacks;
 688         target_event_callback_t *next_callback;
 689
 690         if (event == TARGET_EVENT_HALTED)
 691         {
 692                 /* execute early halted first */
 693                 target_call_event_callbacks(target, TARGET_EVENT_EARLY_HALTED);
 694         }
 695
 696         LOG_DEBUG("target event %i (%s)",
 697                           event,
 698                           Jim_Nvp_value2name_simple( nvp_target_event, event )->name );
 699
 700         target_handle_event( target, event );
 701
 702         while (callback)
 703         {
 704                 next_callback = callback->next;
 705                 callback->callback(target, event, callback->priv);
 706                 callback = next_callback;
 707         }
 708
 709         return ERROR_OK;
 710 }
 711
 712 static int target_call_timer_callbacks_check_time(int checktime)
 713 {
 714         target_timer_callback_t *callback = target_timer_callbacks;
 715         target_timer_callback_t *next_callback;
 716         struct timeval now;
 717
 718         keep_alive();
 719
 720         gettimeofday(&now, NULL);
 721
 722         while (callback)
 723         {
 724                 next_callback = callback->next;
 725
 726                 if ((!checktime&&callback->periodic)||
 727                                 (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
 728                                                 || (now.tv_sec > callback->when.tv_sec)))
 729                 {
 730                         if(callback->callback != NULL)
 731                         {
 732                                 callback->callback(callback->priv);
 733                                 if (callback->periodic)
 734                                 {
 735                                         int time_ms = callback->time_ms;
 736                                         callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
 737                                         time_ms -= (time_ms % 1000);
 738                                         callback->when.tv_sec = now.tv_sec + time_ms / 1000;
 739                                         if (callback->when.tv_usec > 1000000)
 740                                         {
 741                                                 callback->when.tv_usec = callback->when.tv_usec - 1000000;
 742                                                 callback->when.tv_sec += 1;
 743                                         }
 744                                 }
 745                                 else
 746                                 {
 747                                         int retval;
 748                                         if((retval = target_unregister_timer_callback(callback->callback, callback->priv)) != ERROR_OK)
 749                                                 return retval;
 750                                 }
 751                         }
 752                 }
 753
 754                 callback = next_callback;
 755         }
 756
 757         return ERROR_OK;
 758 }
 759
 760 int target_call_timer_callbacks(void)
 761 {
 762         return target_call_timer_callbacks_check_time(1);
 763 }
 764
 765 /* invoke periodic callbacks immediately */
 766 int target_call_timer_callbacks_now(void)
 767 {
 768         return target_call_timer_callbacks_check_time(0);
 769 }
 770
 771 int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
 772 {
 773         working_area_t *c = target->working_areas;
 774         working_area_t *new_wa = NULL;
 775
 776         /* Reevaluate working area address based on MMU state*/
 777         if (target->working_areas == NULL)
 778         {
 779                 int retval;
 780                 int enabled;
 781                 retval = target->type->mmu(target, &enabled);
 782                 if (retval != ERROR_OK)
 783                 {
 784                         return retval;
 785                 }
 786                 if (enabled)
 787                 {
 788                         target->working_area = target->working_area_virt;
 789                 }
 790                 else
 791                 {
 792                         target->working_area = target->working_area_phys;
 793                 }
 794         }
 795
 796         /* only allocate multiples of 4 byte */
 797         if (size % 4)
 798         {
 799                 LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
 800                 size = CEIL(size, 4);
 801         }
 802
 803         /* see if there's already a matching working area */
 804         while (c)
 805         {
 806                 if ((c->free) && (c->size == size))
 807                 {
 808                         new_wa = c;
 809                         break;
 810                 }
 811                 c = c->next;
 812         }
 813
 814         /* if not, allocate a new one */
 815         if (!new_wa)
 816         {
 817                 working_area_t **p = &target->working_areas;
 818                 u32 first_free = target->working_area;
 819                 u32 free_size = target->working_area_size;
 820
 821                 LOG_DEBUG("allocating new working area");
 822
 823                 c = target->working_areas;
 824                 while (c)
 825                 {
 826                         first_free += c->size;
 827                         free_size -= c->size;
 828                         p = &c->next;
 829                         c = c->next;
 830                 }
 831
 832                 if (free_size < size)
 833                 {
 834                         LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
 835                         return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
 836                 }
 837
 838                 new_wa = malloc(sizeof(working_area_t));
 839                 new_wa->next = NULL;
 840                 new_wa->size = size;
 841                 new_wa->address = first_free;
 842
 843                 if (target->backup_working_area)
 844                 {
 845                         int retval;
 846                         new_wa->backup = malloc(new_wa->size);
 847                         if((retval = target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup)) != ERROR_OK)
 848                         {
 849                                 free(new_wa->backup);
 850                                 free(new_wa);
 851                                 return retval;
 852                         }
 853                 }
 854                 else
 855                 {
 856                         new_wa->backup = NULL;
 857                 }
 858
 859                 /* put new entry in list */
 860                 *p = new_wa;
 861         }
 862
 863         /* mark as used, and return the new (reused) area */
 864         new_wa->free = 0;
 865         *area = new_wa;
 866
 867         /* user pointer */
 868         new_wa->user = area;
 869
 870         return ERROR_OK;
 871 }
 872
 873 int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
 874 {
 875         if (area->free)
 876                 return ERROR_OK;
 877
 878         if (restore&&target->backup_working_area)
 879         {
 880                 int retval;
 881                 if((retval = target->type->write_memory(target, area->address, 4, area->size / 4, area->backup)) != ERROR_OK)
 882                         return retval;
 883         }
 884
 885         area->free = 1;
 886
 887         /* mark user pointer invalid */
 888         *area->user = NULL;
 889         area->user = NULL;
 890
 891         return ERROR_OK;
 892 }
 893
 894 int target_free_working_area(struct target_s *target, working_area_t *area)
 895 {
 896         return target_free_working_area_restore(target, area, 1);
 897 }
 898
 899 /* free resources and restore memory, if restoring memory fails,
 900  * free up resources anyway
 901  */
 902 void target_free_all_working_areas_restore(struct target_s *target, int restore)
 903 {
 904         working_area_t *c = target->working_areas;
 905
 906         while (c)
 907         {
 908                 working_area_t *next = c->next;
 909                 target_free_working_area_restore(target, c, restore);
 910
 911                 if (c->backup)
 912                         free(c->backup);
 913
 914                 free(c);
 915
 916                 c = next;
 917         }
 918
 919         target->working_areas = NULL;
 920 }
 921
 922 void target_free_all_working_areas(struct target_s *target)
 923 {
 924         target_free_all_working_areas_restore(target, 1);
 925 }
 926
 927 int target_register_commands(struct command_context_s *cmd_ctx)
 928 {
 929
 930         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)");
 931
 932
 933
 934
 935         register_jim(cmd_ctx, "target", jim_target, "configure target" );
 936
 937         return ERROR_OK;
 938 }
 939
 940 int target_arch_state(struct target_s *target)
 941 {
 942         int retval;
 943         if (target==NULL)
 944         {
 945                 LOG_USER("No target has been configured");
 946                 return ERROR_OK;
 947         }
 948
 949         LOG_USER("target state: %s",
 950                  Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name);
 951
 952         if (target->state!=TARGET_HALTED)
 953                 return ERROR_OK;
 954
 955         retval=target->type->arch_state(target);
 956         return retval;
 957 }
 958
 959 /* Single aligned words are guaranteed to use 16 or 32 bit access
 960  * mode respectively, otherwise data is handled as quickly as
 961  * possible
 962  */
 963 int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
 964 {
 965         int retval;
 966         LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
 967
 968         if (!target->type->examined)
 969         {
 970                 LOG_ERROR("Target not examined yet");
 971                 return ERROR_FAIL;
 972         }
 973
 974         if ((address + size - 1) < address)
 975         {
 976                 /* GDB can request this when e.g. PC is 0xfffffffc*/
 977                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
 978                 return ERROR_FAIL;
 979         }
 980
 981         if (((address % 2) == 0) && (size == 2))
 982         {
 983                 return target->type->write_memory(target, address, 2, 1, buffer);
 984         }
 985
 986         /* handle unaligned head bytes */
 987         if (address % 4)
 988         {
 989                 u32 unaligned = 4 - (address % 4);
 990
 991                 if (unaligned > size)
 992                         unaligned = size;
 993
 994                 if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
 995                         return retval;
 996
 997                 buffer += unaligned;
 998                 address += unaligned;
 999                 size -= unaligned;
1000         }
1001
1002         /* handle aligned words */
1003         if (size >= 4)
1004         {
1005                 int aligned = size - (size % 4);
1006
1007                 /* use bulk writes above a certain limit. This may have to be changed */
1008                 if (aligned > 128)
1009                 {
1010                         if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
1011                                 return retval;
1012                 }
1013                 else
1014                 {
1015                         if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1016                                 return retval;
1017                 }
1018
1019                 buffer += aligned;
1020                 address += aligned;
1021                 size -= aligned;
1022         }
1023
1024         /* handle tail writes of less than 4 bytes */
1025         if (size > 0)
1026         {
1027                 if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
1028                         return retval;
1029         }
1030
1031         return ERROR_OK;
1032 }
1033
1034 /* Single aligned words are guaranteed to use 16 or 32 bit access
1035  * mode respectively, otherwise data is handled as quickly as
1036  * possible
1037  */
1038 int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
1039 {
1040         int retval;
1041         LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
1042
1043         if (!target->type->examined)
1044         {
1045                 LOG_ERROR("Target not examined yet");
1046                 return ERROR_FAIL;
1047         }
1048
1049         if ((address + size - 1) < address)
1050         {
1051                 /* GDB can request this when e.g. PC is 0xfffffffc*/
1052                 LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
1053                 return ERROR_FAIL;
1054         }
1055
1056         if (((address % 2) == 0) && (size == 2))
1057         {
1058                 return target->type->read_memory(target, address, 2, 1, buffer);
1059         }
1060
1061         /* handle unaligned head bytes */
1062         if (address % 4)
1063         {
1064                 u32 unaligned = 4 - (address % 4);
1065
1066                 if (unaligned > size)
1067                         unaligned = size;
1068
1069                 if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
1070                         return retval;
1071
1072                 buffer += unaligned;
1073                 address += unaligned;
1074                 size -= unaligned;
1075         }
1076
1077         /* handle aligned words */
1078         if (size >= 4)
1079         {
1080                 int aligned = size - (size % 4);
1081
1082                 if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
1083                         return retval;
1084
1085                 buffer += aligned;
1086                 address += aligned;
1087                 size -= aligned;
1088         }
1089
1090         /* handle tail writes of less than 4 bytes */
1091         if (size > 0)
1092         {
1093                 if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
1094                         return retval;
1095         }
1096
1097         return ERROR_OK;
1098 }
1099
1100 int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc)
1101 {
1102         u8 *buffer;
1103         int retval;
1104         u32 i;
1105         u32 checksum = 0;
1106         if (!target->type->examined)
1107         {
1108                 LOG_ERROR("Target not examined yet");
1109                 return ERROR_FAIL;
1110         }
1111
1112         if ((retval = target->type->checksum_memory(target, address,
1113                 size, &checksum)) != ERROR_OK)
1114         {
1115                 buffer = malloc(size);
1116                 if (buffer == NULL)
1117                 {
1118                         LOG_ERROR("error allocating buffer for section (%d bytes)", size);
1119                         return ERROR_INVALID_ARGUMENTS;
1120                 }
1121                 retval = target_read_buffer(target, address, size, buffer);
1122                 if (retval != ERROR_OK)
1123                 {
1124                         free(buffer);
1125                         return retval;
1126                 }
1127
1128                 /* convert to target endianess */
1129                 for (i = 0; i < (size/sizeof(u32)); i++)
1130                 {
1131                         u32 target_data;
1132                         target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]);
1133                         target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data);
1134                 }
1135
1136                 retval = image_calculate_checksum( buffer, size, &checksum );
1137                 free(buffer);
1138         }
1139
1140         *crc = checksum;
1141
1142         return retval;
1143 }
1144
1145 int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
1146 {
1147         int retval;
1148         if (!target->type->examined)
1149         {
1150                 LOG_ERROR("Target not examined yet");
1151                 return ERROR_FAIL;
1152         }
1153
1154         if (target->type->blank_check_memory == 0)
1155                 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1156
1157         retval = target->type->blank_check_memory(target, address, size, blank);
1158
1159         return retval;
1160 }
1161
1162 int target_read_u32(struct target_s *target, u32 address, u32 *value)
1163 {
1164         u8 value_buf[4];
1165         if (!target->type->examined)
1166         {
1167                 LOG_ERROR("Target not examined yet");
1168                 return ERROR_FAIL;
1169         }
1170
1171         int retval = target->type->read_memory(target, address, 4, 1, value_buf);
1172
1173         if (retval == ERROR_OK)
1174         {
1175                 *value = target_buffer_get_u32(target, value_buf);
1176                 LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
1177         }
1178         else
1179         {
1180                 *value = 0x0;
1181                 LOG_DEBUG("address: 0x%8.8x failed", address);
1182         }
1183
1184         return retval;
1185 }
1186
1187 int target_read_u16(struct target_s *target, u32 address, u16 *value)
1188 {
1189         u8 value_buf[2];
1190         if (!target->type->examined)
1191         {
1192                 LOG_ERROR("Target not examined yet");
1193                 return ERROR_FAIL;
1194         }
1195
1196         int retval = target->type->read_memory(target, address, 2, 1, value_buf);
1197
1198         if (retval == ERROR_OK)
1199         {
1200                 *value = target_buffer_get_u16(target, value_buf);
1201                 LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
1202         }
1203         else
1204         {
1205                 *value = 0x0;
1206                 LOG_DEBUG("address: 0x%8.8x failed", address);
1207         }
1208
1209         return retval;
1210 }
1211
1212 int target_read_u8(struct target_s *target, u32 address, u8 *value)
1213 {
1214         int retval = target->type->read_memory(target, address, 1, 1, value);
1215         if (!target->type->examined)
1216         {
1217                 LOG_ERROR("Target not examined yet");
1218                 return ERROR_FAIL;
1219         }
1220
1221         if (retval == ERROR_OK)
1222         {
1223                 LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
1224         }
1225         else
1226         {
1227                 *value = 0x0;
1228                 LOG_DEBUG("address: 0x%8.8x failed", address);
1229         }
1230
1231         return retval;
1232 }
1233
1234 int target_write_u32(struct target_s *target, u32 address, u32 value)
1235 {
1236         int retval;
1237         u8 value_buf[4];
1238         if (!target->type->examined)
1239         {
1240                 LOG_ERROR("Target not examined yet");
1241                 return ERROR_FAIL;
1242         }
1243
1244         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1245
1246         target_buffer_set_u32(target, value_buf, value);
1247         if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
1248         {
1249                 LOG_DEBUG("failed: %i", retval);
1250         }
1251
1252         return retval;
1253 }
1254
1255 int target_write_u16(struct target_s *target, u32 address, u16 value)
1256 {
1257         int retval;
1258         u8 value_buf[2];
1259         if (!target->type->examined)
1260         {
1261                 LOG_ERROR("Target not examined yet");
1262                 return ERROR_FAIL;
1263         }
1264
1265         LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
1266
1267         target_buffer_set_u16(target, value_buf, value);
1268         if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
1269         {
1270                 LOG_DEBUG("failed: %i", retval);
1271         }
1272
1273         return retval;
1274 }
1275
1276 int target_write_u8(struct target_s *target, u32 address, u8 value)
1277 {
1278         int retval;
1279         if (!target->type->examined)
1280         {
1281                 LOG_ERROR("Target not examined yet");
1282                 return ERROR_FAIL;
1283         }
1284
1285         LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
1286
1287         if ((retval = target->type->write_memory(target, address, 1, 1, &value)) != ERROR_OK)
1288         {
1289                 LOG_DEBUG("failed: %i", retval);
1290         }
1291
1292         return retval;
1293 }
1294
1295 int target_register_user_commands(struct command_context_s *cmd_ctx)
1296 {
1297         int retval = ERROR_OK;
1298
1299
1300         /* script procedures */
1301         register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "profiling samples the CPU PC");
1302         register_jim(cmd_ctx, "ocd_mem2array", jim_mem2array, "read memory and return as a TCL array for script processing");
1303         register_jim(cmd_ctx, "ocd_array2mem", jim_array2mem, "convert a TCL array to memory locations and write the values");
1304
1305         register_command(cmd_ctx, NULL, "fast_load_image", handle_fast_load_image_command, COMMAND_ANY,
1306                         "same args as load_image, image stored in memory - mainly for profiling purposes");
1307
1308         register_command(cmd_ctx, NULL, "fast_load", handle_fast_load_command, COMMAND_ANY,
1309                         "loads active fast load image to current target - mainly for profiling purposes");
1310
1311
1312         register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "translate a virtual address into a physical address");
1313         register_command(cmd_ctx,  NULL, "reg", handle_reg_command, COMMAND_EXEC, "display or set a register");
1314         register_command(cmd_ctx,  NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
1315         register_command(cmd_ctx,  NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]");
1316         register_command(cmd_ctx,  NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
1317         register_command(cmd_ctx,  NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
1318         register_command(cmd_ctx,  NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
1319         register_command(cmd_ctx,  NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init] - default is run");
1320         register_command(cmd_ctx,  NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
1321
1322         register_command(cmd_ctx,  NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
1323         register_command(cmd_ctx,  NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
1324         register_command(cmd_ctx,  NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
1325
1326         register_command(cmd_ctx,  NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
1327         register_command(cmd_ctx,  NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
1328         register_command(cmd_ctx,  NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
1329
1330         register_command(cmd_ctx,  NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
1331         register_command(cmd_ctx,  NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
1332         register_command(cmd_ctx,  NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
1333         register_command(cmd_ctx,  NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
1334
1335         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]");
1336         register_command(cmd_ctx,  NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
1337         register_command(cmd_ctx,  NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
1338         register_command(cmd_ctx,  NULL, "test_image", handle_test_image_command, COMMAND_EXEC, "test_image <file> [offset] [type]");
1339
1340         if((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)
1341                 return retval;
1342         if((retval = trace_register_commands(cmd_ctx)) != ERROR_OK)
1343                 return retval;
1344
1345         return retval;
1346 }
1347
1348 static int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1349 {
1350         char *cp;
1351         target_t *target = all_targets;
1352
1353         if (argc == 1)
1354         {
1355                 /* try as tcltarget name */
1356                 for( target = all_targets ; target ; target = target->next ){
1357                   if( target->cmd_name ){
1358                         if( 0 == strcmp( args[0], target->cmd_name ) ){
1359                                 /* MATCH */
1360                                 goto Match;
1361                         }
1362                   }
1363                 }
1364                 /* no match, try as number */
1365
1366                 int num = strtoul(args[0], &cp, 0 );
1367                 if( *cp != 0 ){
1368                         /* then it was not a number */
1369                         command_print( cmd_ctx, "Target: %s unknown, try one of:\n", args[0] );
1370                         goto DumpTargets;
1371                 }
1372
1373                 target = get_target_by_num( num );
1374                 if( target == NULL ){
1375                         command_print(cmd_ctx,"Target: %s is unknown, try one of:\n", args[0] );
1376                         goto DumpTargets;
1377                 }
1378         Match:
1379                 cmd_ctx->current_target = target->target_number;
1380                 return ERROR_OK;
1381         }
1382 DumpTargets:
1383
1384         target = all_targets;
1385         command_print(cmd_ctx, "    CmdName    Type       Endian     AbsChainPos Name          State     ");
1386         command_print(cmd_ctx, "--  ---------- ---------- ---------- ----------- ------------- ----------");
1387         while (target)
1388         {
1389                 /* XX: abcdefghij abcdefghij abcdefghij abcdefghij */
1390                 command_print(cmd_ctx, "%2d: %-10s %-10s %-10s %10d %14s %s",
1391                                           target->target_number,
1392                                           target->cmd_name,
1393                                           target->type->name,
1394                                           Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness )->name,
1395                                           target->tap->abs_chain_position,
1396                                           target->tap->dotted_name,
1397                                           Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
1398                 target = target->next;
1399         }
1400
1401         return ERROR_OK;
1402 }
1403
1404 /* every 300ms we check for reset & powerdropout and issue a "reset halt" if so. */
1405
1406 static int powerDropout;
1407 static int srstAsserted;
1408
1409 static int runPowerRestore;
1410 static int runPowerDropout;
1411 static int runSrstAsserted;
1412 static int runSrstDeasserted;
1413
1414 static int sense_handler(void)
1415 {
1416         static int prevSrstAsserted = 0;
1417         static int prevPowerdropout = 0;
1418
1419         int retval;
1420         if ((retval=jtag_power_dropout(&powerDropout))!=ERROR_OK)
1421                 return retval;
1422
1423         int powerRestored;
1424         powerRestored = prevPowerdropout && !powerDropout;
1425         if (powerRestored)
1426         {
1427                 runPowerRestore = 1;
1428         }
1429
1430         long long current = timeval_ms();
1431         static long long lastPower = 0;
1432         int waitMore = lastPower + 2000 > current;
1433         if (powerDropout && !waitMore)
1434         {
1435                 runPowerDropout = 1;
1436                 lastPower = current;
1437         }
1438
1439         if ((retval=jtag_srst_asserted(&srstAsserted))!=ERROR_OK)
1440                 return retval;
1441
1442         int srstDeasserted;
1443         srstDeasserted = prevSrstAsserted && !srstAsserted;
1444
1445         static long long lastSrst = 0;
1446         waitMore = lastSrst + 2000 > current;
1447         if (srstDeasserted && !waitMore)
1448         {
1449                 runSrstDeasserted = 1;
1450                 lastSrst = current;
1451         }
1452
1453         if (!prevSrstAsserted && srstAsserted)
1454         {
1455                 runSrstAsserted = 1;
1456         }
1457
1458         prevSrstAsserted = srstAsserted;
1459         prevPowerdropout = powerDropout;
1460
1461         if (srstDeasserted || powerRestored)
1462         {
1463                 /* Other than logging the event we can't do anything here.
1464                  * Issuing a reset is a particularly bad idea as we might
1465                  * be inside a reset already.
1466                  */
1467         }
1468
1469         return ERROR_OK;
1470 }
1471
1472 /* process target state changes */
1473 int handle_target(void *priv)
1474 {
1475         int retval = ERROR_OK;
1476
1477         /* we do not want to recurse here... */
1478         static int recursive = 0;
1479         if (! recursive)
1480         {
1481                 recursive = 1;
1482                 sense_handler();
1483                 /* danger! running these procedures can trigger srst assertions and power dropouts.
1484                  * We need to avoid an infinite loop/recursion here and we do that by
1485                  * clearing the flags after running these events.
1486                  */
1487                 int did_something = 0;
1488                 if (runSrstAsserted)
1489                 {
1490                         Jim_Eval( interp, "srst_asserted");
1491                         did_something = 1;
1492                 }
1493                 if (runSrstDeasserted)
1494                 {
1495                         Jim_Eval( interp, "srst_deasserted");
1496                         did_something = 1;
1497                 }
1498                 if (runPowerDropout)
1499                 {
1500                         Jim_Eval( interp, "power_dropout");
1501                         did_something = 1;
1502                 }
1503                 if (runPowerRestore)
1504                 {
1505                         Jim_Eval( interp, "power_restore");
1506                         did_something = 1;
1507                 }
1508
1509                 if (did_something)
1510                 {
1511                         /* clear detect flags */
1512                         sense_handler();
1513                 }
1514
1515                 /* clear action flags */
1516
1517                 runSrstAsserted=0;
1518                 runSrstDeasserted=0;
1519                 runPowerRestore=0;
1520                 runPowerDropout=0;
1521
1522                 recursive = 0;
1523         }
1524
1525         target_t *target = all_targets;
1526
1527         while (target)
1528         {
1529
1530                 /* only poll target if we've got power and srst isn't asserted */
1531                 if (target_continous_poll&&!powerDropout&&!srstAsserted)
1532                 {
1533                         /* polling may fail silently until the target has been examined */
1534                         if((retval = target_poll(target)) != ERROR_OK)
1535                                 return retval;
1536                 }
1537
1538                 target = target->next;
1539         }
1540
1541         return retval;
1542 }
1543
1544 static int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1545 {
1546         target_t *target;
1547         reg_t *reg = NULL;
1548         int count = 0;
1549         char *value;
1550
1551         LOG_DEBUG("-");
1552
1553         target = get_current_target(cmd_ctx);
1554
1555         /* list all available registers for the current target */
1556         if (argc == 0)
1557         {
1558                 reg_cache_t *cache = target->reg_cache;
1559
1560                 count = 0;
1561                 while(cache)
1562                 {
1563                         int i;
1564                         for (i = 0; i < cache->num_regs; i++)
1565                         {
1566                                 value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
1567                                 command_print(cmd_ctx, "(%i) %s (/%i): 0x%s (dirty: %i, valid: %i)", count++, cache->reg_list[i].name, cache->reg_list[i].size, value, cache->reg_list[i].dirty, cache->reg_list[i].valid);
1568                                 free(value);
1569                         }
1570                         cache = cache->next;
1571                 }
1572
1573                 return ERROR_OK;
1574         }
1575
1576         /* access a single register by its ordinal number */
1577         if ((args[0][0] >= '0') && (args[0][0] <= '9'))
1578         {
1579                 int num = strtoul(args[0], NULL, 0);
1580                 reg_cache_t *cache = target->reg_cache;
1581
1582                 count = 0;
1583                 while(cache)
1584                 {
1585                         int i;
1586                         for (i = 0; i < cache->num_regs; i++)
1587                         {
1588                                 if (count++ == num)
1589                                 {
1590                                         reg = &cache->reg_list[i];
1591                                         break;
1592                                 }
1593                         }
1594                         if (reg)
1595                                 break;
1596                         cache = cache->next;
1597                 }
1598
1599                 if (!reg)
1600                 {
1601                         command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
1602                         return ERROR_OK;
1603                 }
1604         } else /* access a single register by its name */
1605         {
1606                 reg = register_get_by_name(target->reg_cache, args[0], 1);
1607
1608                 if (!reg)
1609                 {
1610                         command_print(cmd_ctx, "register %s not found in current target", args[0]);
1611                         return ERROR_OK;
1612                 }
1613         }
1614
1615         /* display a register */
1616         if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
1617         {
1618                 if ((argc == 2) && (strcmp(args[1], "force") == 0))
1619                         reg->valid = 0;
1620
1621                 if (reg->valid == 0)
1622                 {
1623                         reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1624                         arch_type->get(reg);
1625                 }
1626                 value = buf_to_str(reg->value, reg->size, 16);
1627                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1628                 free(value);
1629                 return ERROR_OK;
1630         }
1631
1632         /* set register value */
1633         if (argc == 2)
1634         {
1635                 u8 *buf = malloc(CEIL(reg->size, 8));
1636                 str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
1637
1638                 reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
1639                 arch_type->set(reg, buf);
1640
1641                 value = buf_to_str(reg->value, reg->size, 16);
1642                 command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
1643                 free(value);
1644
1645                 free(buf);
1646
1647                 return ERROR_OK;
1648         }
1649
1650         command_print(cmd_ctx, "usage: reg <#|name> [value]");
1651
1652         return ERROR_OK;
1653 }
1654
1655 static int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1656 {
1657         int retval = ERROR_OK;
1658         target_t *target = get_current_target(cmd_ctx);
1659
1660         if (argc == 0)
1661         {
1662                 if((retval = target_poll(target)) != ERROR_OK)
1663                         return retval;
1664                 if((retval = target_arch_state(target)) != ERROR_OK)
1665                         return retval;
1666
1667         }
1668         else if (argc==1)
1669         {
1670                 if (strcmp(args[0], "on") == 0)
1671                 {
1672                         target_continous_poll = 1;
1673                 }
1674                 else if (strcmp(args[0], "off") == 0)
1675                 {
1676                         target_continous_poll = 0;
1677                 }
1678                 else
1679                 {
1680                         command_print(cmd_ctx, "arg is \"on\" or \"off\"");
1681                 }
1682         } else
1683         {
1684                 return ERROR_COMMAND_SYNTAX_ERROR;
1685         }
1686
1687         return retval;
1688 }
1689
1690 static int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1691 {
1692         int ms = 5000;
1693
1694         if (argc > 0)
1695         {
1696                 char *end;
1697
1698                 ms = strtoul(args[0], &end, 0) * 1000;
1699                 if (*end)
1700                 {
1701                         command_print(cmd_ctx, "usage: %s [seconds]", cmd);
1702                         return ERROR_OK;
1703                 }
1704         }
1705         target_t *target = get_current_target(cmd_ctx);
1706
1707         return target_wait_state(target, TARGET_HALTED, ms);
1708 }
1709
1710 /* wait for target state to change. The trick here is to have a low
1711  * latency for short waits and not to suck up all the CPU time
1712  * on longer waits.
1713  *
1714  * After 500ms, keep_alive() is invoked
1715  */
1716 int target_wait_state(target_t *target, enum target_state state, int ms)
1717 {
1718         int retval;
1719         long long then=0, cur;
1720         int once=1;
1721
1722         for (;;)
1723         {
1724                 if ((retval=target_poll(target))!=ERROR_OK)
1725                         return retval;
1726                 if (target->state == state)
1727                 {
1728                         break;
1729                 }
1730                 cur = timeval_ms();
1731                 if (once)
1732                 {
1733                         once=0;
1734                         then = timeval_ms();
1735                         LOG_DEBUG("waiting for target %s...",
1736                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1737                 }
1738
1739                 if (cur-then>500)
1740                 {
1741                         keep_alive();
1742                 }
1743
1744                 if ((cur-then)>ms)
1745                 {
1746                         LOG_ERROR("timed out while waiting for target %s",
1747                                 Jim_Nvp_value2name_simple(nvp_target_state,state)->name);
1748                         return ERROR_FAIL;
1749                 }
1750         }
1751
1752         return ERROR_OK;
1753 }
1754
1755 static int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1756 {
1757         int retval;
1758         target_t *target = get_current_target(cmd_ctx);
1759
1760         LOG_DEBUG("-");
1761
1762         if ((retval = target_halt(target)) != ERROR_OK)
1763         {
1764                 return retval;
1765         }
1766
1767         if (argc == 1)
1768         {
1769                 int wait;
1770                 char *end;
1771
1772                 wait = strtoul(args[0], &end, 0);
1773                 if (!*end && !wait)
1774                         return ERROR_OK;
1775         }
1776
1777         return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
1778 }
1779
1780 static int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1781 {
1782         target_t *target = get_current_target(cmd_ctx);
1783
1784         LOG_USER("requesting target halt and executing a soft reset");
1785
1786         target->type->soft_reset_halt(target);
1787
1788         return ERROR_OK;
1789 }
1790
1791 static int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1792 {
1793         const Jim_Nvp *n;
1794         enum target_reset_mode reset_mode = RESET_RUN;
1795
1796         if (argc >= 1)
1797         {
1798                 n = Jim_Nvp_name2value_simple( nvp_reset_modes, args[0] );
1799                 if( (n->name == NULL) || (n->value == RESET_UNKNOWN) ){
1800                         return ERROR_COMMAND_SYNTAX_ERROR;
1801                 }
1802                 reset_mode = n->value;
1803         }
1804
1805         /* reset *all* targets */
1806         return target_process_reset(cmd_ctx, reset_mode);
1807 }
1808
1809
1810 static int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1811 {
1812         int retval;
1813         target_t *target = get_current_target(cmd_ctx);
1814
1815         target_handle_event( target, TARGET_EVENT_OLD_pre_resume );
1816
1817         if (argc == 0)
1818                 retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
1819         else if (argc == 1)
1820                 retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
1821         else
1822         {
1823                 retval = ERROR_COMMAND_SYNTAX_ERROR;
1824         }
1825
1826         return retval;
1827 }
1828
1829 static int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1830 {
1831         target_t *target = get_current_target(cmd_ctx);
1832
1833         LOG_DEBUG("-");
1834
1835         if (argc == 0)
1836                 return target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
1837
1838         if (argc == 1)
1839                 return target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
1840
1841         return ERROR_OK;
1842 }
1843
1844 static int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1845 {
1846         const int line_bytecnt = 32;
1847         int count = 1;
1848         int size = 4;
1849         u32 address = 0;
1850         int line_modulo;
1851         int i;
1852
1853         char output[128];
1854         int output_len;
1855
1856         int retval;
1857
1858         u8 *buffer;
1859         target_t *target = get_current_target(cmd_ctx);
1860
1861         if (argc < 1)
1862                 return ERROR_OK;
1863
1864         if (argc == 2)
1865                 count = strtoul(args[1], NULL, 0);
1866
1867         address = strtoul(args[0], NULL, 0);
1868
1869         switch (cmd[2])
1870         {
1871                 case 'w':
1872                         size = 4; line_modulo = line_bytecnt / 4;
1873                         break;
1874                 case 'h':
1875                         size = 2; line_modulo = line_bytecnt / 2;
1876                         break;
1877                 case 'b':
1878                         size = 1; line_modulo = line_bytecnt / 1;
1879                         break;
1880                 default:
1881                         return ERROR_OK;
1882         }
1883
1884         buffer = calloc(count, size);
1885         retval  = target->type->read_memory(target, address, size, count, buffer);
1886         if (retval == ERROR_OK)
1887         {
1888                 output_len = 0;
1889
1890                 for (i = 0; i < count; i++)
1891                 {
1892                         if (i%line_modulo == 0)
1893                                 output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
1894
1895                         switch (size)
1896                         {
1897                                 case 4:
1898                                         output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
1899                                         break;
1900                                 case 2:
1901                                         output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
1902                                         break;
1903                                 case 1:
1904                                         output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
1905                                         break;
1906                         }
1907
1908                         if ((i%line_modulo == line_modulo-1) || (i == count - 1))
1909                         {
1910                                 command_print(cmd_ctx, output);
1911                                 output_len = 0;
1912                         }
1913                 }
1914         }
1915
1916         free(buffer);
1917
1918         return retval;
1919 }
1920
1921 static int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1922 {
1923         u32 address = 0;
1924         u32 value = 0;
1925         int count = 1;
1926         int i;
1927         int wordsize;
1928         target_t *target = get_current_target(cmd_ctx);
1929         u8 value_buf[4];
1930
1931          if ((argc < 2) || (argc > 3))
1932                 return ERROR_COMMAND_SYNTAX_ERROR;
1933
1934         address = strtoul(args[0], NULL, 0);
1935         value = strtoul(args[1], NULL, 0);
1936         if (argc == 3)
1937                 count = strtoul(args[2], NULL, 0);
1938
1939         switch (cmd[2])
1940         {
1941                 case 'w':
1942                         wordsize = 4;
1943                         target_buffer_set_u32(target, value_buf, value);
1944                         break;
1945                 case 'h':
1946                         wordsize = 2;
1947                         target_buffer_set_u16(target, value_buf, value);
1948                         break;
1949                 case 'b':
1950                         wordsize = 1;
1951                         value_buf[0] = value;
1952                         break;
1953                 default:
1954                         return ERROR_COMMAND_SYNTAX_ERROR;
1955         }
1956         for (i=0; i<count; i++)
1957         {
1958                 int retval;
1959                 switch (wordsize)
1960                 {
1961                         case 4:
1962                                 retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
1963                                 break;
1964                         case 2:
1965                                 retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
1966                                 break;
1967                         case 1:
1968                                 retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
1969                         break;
1970                         default:
1971                         return ERROR_OK;
1972                 }
1973                 keep_alive();
1974
1975                 if (retval!=ERROR_OK)
1976                 {
1977                         return retval;
1978                 }
1979         }
1980
1981         return ERROR_OK;
1982
1983 }
1984
1985 static int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1986 {
1987         u8 *buffer;
1988         u32 buf_cnt;
1989         u32 image_size;
1990         u32 min_address=0;
1991         u32 max_address=0xffffffff;
1992         int i;
1993         int retval, retvaltemp;
1994
1995         image_t image;
1996
1997         duration_t duration;
1998         char *duration_text;
1999
2000         target_t *target = get_current_target(cmd_ctx);
2001
2002         if ((argc < 1)||(argc > 5))
2003         {
2004                 return ERROR_COMMAND_SYNTAX_ERROR;
2005         }
2006
2007         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
2008         if (argc >= 2)
2009         {
2010                 image.base_address_set = 1;
2011                 image.base_address = strtoul(args[1], NULL, 0);
2012         }
2013         else
2014         {
2015                 image.base_address_set = 0;
2016         }
2017
2018
2019         image.start_address_set = 0;
2020
2021         if (argc>=4)
2022         {
2023                 min_address=strtoul(args[3], NULL, 0);
2024         }
2025         if (argc>=5)
2026         {
2027                 max_address=strtoul(args[4], NULL, 0)+min_address;
2028         }
2029
2030         if (min_address>max_address)
2031         {
2032                 return ERROR_COMMAND_SYNTAX_ERROR;
2033         }
2034
2035         duration_start_measure(&duration);
2036
2037         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
2038         {
2039                 return ERROR_OK;
2040         }
2041
2042         image_size = 0x0;
2043         retval = ERROR_OK;
2044         for (i = 0; i < image.num_sections; i++)
2045         {
2046                 buffer = malloc(image.sections[i].size);
2047                 if (buffer == NULL)
2048                 {
2049                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2050                         break;
2051                 }
2052
2053                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2054                 {
2055                         free(buffer);
2056                         break;
2057                 }
2058
2059                 u32 offset=0;
2060                 u32 length=buf_cnt;
2061
2062                 /* DANGER!!! beware of unsigned comparision here!!! */
2063
2064                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
2065                                 (image.sections[i].base_address<max_address))
2066                 {
2067                         if (image.sections[i].base_address<min_address)
2068                         {
2069                                 /* clip addresses below */
2070                                 offset+=min_address-image.sections[i].base_address;
2071                                 length-=offset;
2072                         }
2073
2074                         if (image.sections[i].base_address+buf_cnt>max_address)
2075                         {
2076                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
2077                         }
2078
2079                         if ((retval = target_write_buffer(target, image.sections[i].base_address+offset, length, buffer+offset)) != ERROR_OK)
2080                         {
2081                                 free(buffer);
2082                                 break;
2083                         }
2084                         image_size += length;
2085                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
2086                 }
2087
2088                 free(buffer);
2089         }
2090
2091         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2092         {
2093                 image_close(&image);
2094                 return retvaltemp;
2095         }
2096
2097         if (retval==ERROR_OK)
2098         {
2099                 command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
2100         }
2101         free(duration_text);
2102
2103         image_close(&image);
2104
2105         return retval;
2106
2107 }
2108
2109 static int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2110 {
2111         fileio_t fileio;
2112
2113         u32 address;
2114         u32 size;
2115         u8 buffer[560];
2116         int retval=ERROR_OK, retvaltemp;
2117
2118         duration_t duration;
2119         char *duration_text;
2120
2121         target_t *target = get_current_target(cmd_ctx);
2122
2123         if (argc != 3)
2124         {
2125                 command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
2126                 return ERROR_OK;
2127         }
2128
2129         address = strtoul(args[1], NULL, 0);
2130         size = strtoul(args[2], NULL, 0);
2131
2132         if ((address & 3) || (size & 3))
2133         {
2134                 command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
2135                 return ERROR_OK;
2136         }
2137
2138         if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
2139         {
2140                 return ERROR_OK;
2141         }
2142
2143         duration_start_measure(&duration);
2144
2145         while (size > 0)
2146         {
2147                 u32 size_written;
2148                 u32 this_run_size = (size > 560) ? 560 : size;
2149
2150                 retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
2151                 if (retval != ERROR_OK)
2152                 {
2153                         break;
2154                 }
2155
2156                 retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
2157                 if (retval != ERROR_OK)
2158                 {
2159                         break;
2160                 }
2161
2162                 size -= this_run_size;
2163                 address += this_run_size;
2164         }
2165
2166         if((retvaltemp = fileio_close(&fileio)) != ERROR_OK)
2167                 return retvaltemp;
2168
2169         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2170                 return retvaltemp;
2171
2172         if (retval==ERROR_OK)
2173         {
2174                 command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
2175         }
2176         free(duration_text);
2177
2178         return ERROR_OK;
2179 }
2180
2181 static int handle_verify_image_command_internal(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, int verify)
2182 {
2183         u8 *buffer;
2184         u32 buf_cnt;
2185         u32 image_size;
2186         int i;
2187         int retval, retvaltemp;
2188         u32 checksum = 0;
2189         u32 mem_checksum = 0;
2190
2191         image_t image;
2192
2193         duration_t duration;
2194         char *duration_text;
2195
2196         target_t *target = get_current_target(cmd_ctx);
2197
2198         if (argc < 1)
2199         {
2200                 return ERROR_COMMAND_SYNTAX_ERROR;
2201         }
2202
2203         if (!target)
2204         {
2205                 LOG_ERROR("no target selected");
2206                 return ERROR_FAIL;
2207         }
2208
2209         duration_start_measure(&duration);
2210
2211         if (argc >= 2)
2212         {
2213                 image.base_address_set = 1;
2214                 image.base_address = strtoul(args[1], NULL, 0);
2215         }
2216         else
2217         {
2218                 image.base_address_set = 0;
2219                 image.base_address = 0x0;
2220         }
2221
2222         image.start_address_set = 0;
2223
2224         if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
2225         {
2226                 return retval;
2227         }
2228
2229         image_size = 0x0;
2230         retval=ERROR_OK;
2231         for (i = 0; i < image.num_sections; i++)
2232         {
2233                 buffer = malloc(image.sections[i].size);
2234                 if (buffer == NULL)
2235                 {
2236                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
2237                         break;
2238                 }
2239                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
2240                 {
2241                         free(buffer);
2242                         break;
2243                 }
2244
2245                 if (verify)
2246                 {
2247                         /* calculate checksum of image */
2248                         image_calculate_checksum( buffer, buf_cnt, &checksum );
2249
2250                         retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
2251                         if( retval != ERROR_OK )
2252                         {
2253                                 free(buffer);
2254                                 break;
2255                         }
2256
2257                         if( checksum != mem_checksum )
2258                         {
2259                                 /* failed crc checksum, fall back to a binary compare */
2260                                 u8 *data;
2261
2262                                 command_print(cmd_ctx, "checksum mismatch - attempting binary compare");
2263
2264                                 data = (u8*)malloc(buf_cnt);
2265
2266                                 /* Can we use 32bit word accesses? */
2267                                 int size = 1;
2268                                 int count = buf_cnt;
2269                                 if ((count % 4) == 0)
2270                                 {
2271                                         size *= 4;
2272                                         count /= 4;
2273                                 }
2274                                 retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
2275                                 if (retval == ERROR_OK)
2276                                 {
2277                                         u32 t;
2278                                         for (t = 0; t < buf_cnt; t++)
2279                                         {
2280                                                 if (data[t] != buffer[t])
2281                                                 {
2282                                                         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]);
2283                                                         free(data);
2284                                                         free(buffer);
2285                                                         retval=ERROR_FAIL;
2286                                                         goto done;
2287                                                 }
2288                                                 if ((t%16384)==0)
2289                                                 {
2290                                                         keep_alive();
2291                                                 }
2292                                         }
2293                                 }
2294
2295                                 free(data);
2296                         }
2297                 } else
2298                 {
2299                         command_print(cmd_ctx, "address 0x%08x length 0x%08x", image.sections[i].base_address, buf_cnt);
2300                 }
2301
2302                 free(buffer);
2303                 image_size += buf_cnt;
2304         }
2305 done:
2306
2307         if((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
2308         {
2309                 image_close(&image);
2310                 return retvaltemp;
2311         }
2312
2313         if (retval==ERROR_OK)
2314         {
2315                 command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
2316         }
2317         free(duration_text);
2318
2319         image_close(&image);
2320
2321         return retval;
2322 }
2323
2324 static int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2325 {
2326         return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 1);
2327 }
2328
2329 static int handle_test_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2330 {
2331         return handle_verify_image_command_internal(cmd_ctx, cmd, args, argc, 0);
2332 }
2333
2334 static int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2335 {
2336         int retval;
2337         target_t *target = get_current_target(cmd_ctx);
2338
2339         if (argc == 0)
2340         {
2341                 breakpoint_t *breakpoint = target->breakpoints;
2342
2343                 while (breakpoint)
2344                 {
2345                         if (breakpoint->type == BKPT_SOFT)
2346                         {
2347                                 char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
2348                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
2349                                 free(buf);
2350                         }
2351                         else
2352                         {
2353                                 command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
2354                         }
2355                         breakpoint = breakpoint->next;
2356                 }
2357         }
2358         else if (argc >= 2)
2359         {
2360                 int hw = BKPT_SOFT;
2361                 u32 length = 0;
2362
2363                 length = strtoul(args[1], NULL, 0);
2364
2365                 if (argc >= 3)
2366                         if (strcmp(args[2], "hw") == 0)
2367                                 hw = BKPT_HARD;
2368
2369                 if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
2370                 {
2371                         LOG_ERROR("Failure setting breakpoints");
2372                 }
2373                 else
2374                 {
2375                         command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
2376                 }
2377         }
2378         else
2379         {
2380                 command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
2381         }
2382
2383         return ERROR_OK;
2384 }
2385
2386 static int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2387 {
2388         target_t *target = get_current_target(cmd_ctx);
2389
2390         if (argc > 0)
2391                 breakpoint_remove(target, strtoul(args[0], NULL, 0));
2392
2393         return ERROR_OK;
2394 }
2395
2396 static int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2397 {
2398         target_t *target = get_current_target(cmd_ctx);
2399         int retval;
2400
2401         if (argc == 0)
2402         {
2403                 watchpoint_t *watchpoint = target->watchpoints;
2404
2405                 while (watchpoint)
2406                 {
2407                         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);
2408                         watchpoint = watchpoint->next;
2409                 }
2410         }
2411         else if (argc >= 2)
2412         {
2413                 enum watchpoint_rw type = WPT_ACCESS;
2414                 u32 data_value = 0x0;
2415                 u32 data_mask = 0xffffffff;
2416
2417                 if (argc >= 3)
2418                 {
2419                         switch(args[2][0])
2420                         {
2421                                 case 'r':
2422                                         type = WPT_READ;
2423                                         break;
2424                                 case 'w':
2425                                         type = WPT_WRITE;
2426                                         break;
2427                                 case 'a':
2428                                         type = WPT_ACCESS;
2429                                         break;
2430                                 default:
2431                                         command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2432                                         return ERROR_OK;
2433                         }
2434                 }
2435                 if (argc >= 4)
2436                 {
2437                         data_value = strtoul(args[3], NULL, 0);
2438                 }
2439                 if (argc >= 5)
2440                 {
2441                         data_mask = strtoul(args[4], NULL, 0);
2442                 }
2443
2444                 if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
2445                                 strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
2446                 {
2447                         LOG_ERROR("Failure setting breakpoints");
2448                 }
2449         }
2450         else
2451         {
2452                 command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
2453         }
2454
2455         return ERROR_OK;
2456 }
2457
2458 static int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2459 {
2460         target_t *target = get_current_target(cmd_ctx);
2461
2462         if (argc > 0)
2463                 watchpoint_remove(target, strtoul(args[0], NULL, 0));
2464
2465         return ERROR_OK;
2466 }
2467
2468 static int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
2469 {
2470         int retval;
2471         target_t *target = get_current_target(cmd_ctx);
2472         u32 va;
2473         u32 pa;
2474
2475         if (argc != 1)
2476         {
2477                 return ERROR_COMMAND_SYNTAX_ERROR;
2478         }
2479         va = strtoul(args[0], NULL, 0);
2480
2481         retval = target->type->virt2phys(target, va, &pa);
2482         if (retval == ERROR_OK)
2483         {
2484                 command_print(cmd_ctx, "Physical address 0x%08x", pa);
2485         }
2486         else
2487         {
2488                 /* lower levels will have logged a detailed error which is
2489                  * forwarded to telnet/GDB session.
2490                  */
2491         }
2492         return retval;
2493 }
2494
2495 static void writeData(FILE *f, const void *data, size_t len)
2496 {
2497         size_t written = fwrite(data, len, 1, f);
2498         if (written != len)
2499                 LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
2500 }
2501
2502 static void writeLong(FILE *f, int l)
2503 {
2504         int i;
2505         for (i=0; i<4; i++)
2506         {
2507                 char c=(l>>(i*8))&0xff;
2508                 writeData(f, &c, 1);
2509         }
2510
2511 }
2512
2513 static void writeString(FILE *f, char *s)
2514 {
2515         writeData(f, s, strlen(s));
2516 }
2517
2518 /* Dump a gmon.out histogram file. */
2519 static void writeGmon(u32 *samples, u32 sampleNum, char *filename)
2520 {
2521         u32 i;
2522         FILE *f=fopen(filename, "w");
2523         if (f==NULL)
2524                 return;
2525         writeString(f, "gmon");
2526         writeLong(f, 0x00000001); /* Version */
2527         writeLong(f, 0); /* padding */
2528         writeLong(f, 0); /* padding */
2529         writeLong(f, 0); /* padding */
2530
2531         u8 zero = 0;  /* GMON_TAG_TIME_HIST */
2532         writeData(f, &zero, 1);
2533
2534         /* figure out bucket size */
2535         u32 min=samples[0];
2536         u32 max=samples[0];
2537         for (i=0; i<sampleNum; i++)
2538         {
2539                 if (min>samples[i])
2540                 {
2541                         min=samples[i];
2542                 }
2543                 if (max<samples[i])
2544                 {
2545                         max=samples[i];
2546                 }
2547         }
2548
2549         int addressSpace=(max-min+1);
2550
2551         static const u32 maxBuckets = 256 * 1024; /* maximum buckets. */
2552         u32 length = addressSpace;
2553         if (length > maxBuckets)
2554         {
2555                 length=maxBuckets;
2556         }
2557         int *buckets=malloc(sizeof(int)*length);
2558         if (buckets==NULL)
2559         {
2560                 fclose(f);
2561                 return;
2562         }
2563         memset(buckets, 0, sizeof(int)*length);
2564         for (i=0; i<sampleNum;i++)
2565         {
2566                 u32 address=samples[i];
2567                 long long a=address-min;
2568                 long long b=length-1;
2569                 long long c=addressSpace-1;
2570                 int index=(a*b)/c; /* danger!!!! int32 overflows */
2571                 buckets[index]++;
2572         }
2573
2574         /* append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr)) */
2575         writeLong(f, min);                      /* low_pc */
2576         writeLong(f, max);                      /* high_pc */
2577         writeLong(f, length);           /* # of samples */
2578         writeLong(f, 64000000);         /* 64MHz */
2579         writeString(f, "seconds");
2580         for (i=0; i<(15-strlen("seconds")); i++)
2581                 writeData(f, &zero, 1);
2582         writeString(f, "s");
2583
2584         /*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
2585
2586         char *data=malloc(2*length);
2587         if (data!=NULL)
2588         {
2589                 for (i=0; i<length;i++)
2590                 {
2591                         int val;
2592                         val=buckets[i];
2593                         if (val>65535)
2594                         {
2595                                 val=65535;
2596                         }
2597                         data[i*2]=val&0xff;
2598                         data[i*2+1]=(val>>8)&0xff;
2599                 }
2600                 free(buckets);
2601                 writeData(f, data, length * 2);
2602                 free(data);
2603         } else
2604         {
2605                 free(buckets);
2606         }
2607
2608         fclose(f);
2609 }
2610
2611 /* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
2612 static int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
2613 {
2614         target_t *target = get_current_target(cmd_ctx);
2615         struct timeval timeout, now;
2616
2617         gettimeofday(&timeout, NULL);
2618         if (argc!=2)
2619         {
2620                 return ERROR_COMMAND_SYNTAX_ERROR;
2621         }
2622         char *end;
2623         timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
2624         if (*end)
2625         {
2626                 return ERROR_OK;
2627         }
2628
2629         command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
2630
2631         static const int maxSample=10000;
2632         u32 *samples=malloc(sizeof(u32)*maxSample);
2633         if (samples==NULL)
2634                 return ERROR_OK;
2635
2636         int numSamples=0;
2637         int retval=ERROR_OK;
2638         /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
2639         reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
2640
2641         for (;;)
2642         {
2643                 target_poll(target);
2644                 if (target->state == TARGET_HALTED)
2645                 {
2646                         u32 t=*((u32 *)reg->value);
2647                         samples[numSamples++]=t;
2648                         retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2649                         target_poll(target);
2650                         alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
2651                 } else if (target->state == TARGET_RUNNING)
2652                 {
2653                         /* We want to quickly sample the PC. */
2654                         if((retval = target_halt(target)) != ERROR_OK)
2655                         {
2656                                 free(samples);
2657                                 return retval;
2658                         }
2659                 } else
2660                 {
2661                         command_print(cmd_ctx, "Target not halted or running");
2662                         retval=ERROR_OK;
2663                         break;
2664                 }
2665                 if (retval!=ERROR_OK)
2666                 {
2667                         break;
2668                 }
2669
2670                 gettimeofday(&now, NULL);
2671                 if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
2672                 {
2673                         command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
2674                         if((retval = target_poll(target)) != ERROR_OK)
2675                         {
2676                                 free(samples);
2677                                 return retval;
2678                         }
2679                         if (target->state == TARGET_HALTED)
2680                         {
2681                                 target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
2682                         }
2683                         if((retval = target_poll(target)) != ERROR_OK)
2684                         {
2685                                 free(samples);
2686                                 return retval;
2687                         }
2688                         writeGmon(samples, numSamples, args[1]);
2689                         command_print(cmd_ctx, "Wrote %s", args[1]);
2690                         break;
2691                 }
2692         }
2693         free(samples);
2694
2695         return ERROR_OK;
2696 }
2697
2698 static int new_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 val)
2699 {
2700         char *namebuf;
2701         Jim_Obj *nameObjPtr, *valObjPtr;
2702         int result;
2703
2704         namebuf = alloc_printf("%s(%d)", varname, idx);
2705         if (!namebuf)
2706                 return JIM_ERR;
2707
2708         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2709         valObjPtr = Jim_NewIntObj(interp, val);
2710         if (!nameObjPtr || !valObjPtr)
2711         {
2712                 free(namebuf);
2713                 return JIM_ERR;
2714         }
2715
2716         Jim_IncrRefCount(nameObjPtr);
2717         Jim_IncrRefCount(valObjPtr);
2718         result = Jim_SetVariable(interp, nameObjPtr, valObjPtr);
2719         Jim_DecrRefCount(interp, nameObjPtr);
2720         Jim_DecrRefCount(interp, valObjPtr);
2721         free(namebuf);
2722         /* printf("%s(%d) <= 0%08x\n", varname, idx, val); */
2723         return result;
2724 }
2725
2726 static int jim_mem2array(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2727 {
2728         command_context_t *context;
2729         target_t *target;
2730
2731         context = Jim_GetAssocData(interp, "context");
2732         if (context == NULL)
2733         {
2734                 LOG_ERROR("mem2array: no command context");
2735                 return JIM_ERR;
2736         }
2737         target = get_current_target(context);
2738         if (target == NULL)
2739         {
2740                 LOG_ERROR("mem2array: no current target");
2741                 return JIM_ERR;
2742         }
2743
2744         return  target_mem2array(interp, target, argc,argv);
2745 }
2746
2747 static int target_mem2array(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2748 {
2749         long l;
2750         u32 width;
2751         int len;
2752         u32 addr;
2753         u32 count;
2754         u32 v;
2755         const char *varname;
2756         u8 buffer[4096];
2757         int  n, e, retval;
2758         u32 i;
2759
2760         /* argv[1] = name of array to receive the data
2761          * argv[2] = desired width
2762          * argv[3] = memory address
2763          * argv[4] = count of times to read
2764          */
2765         if (argc != 5) {
2766                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2767                 return JIM_ERR;
2768         }
2769         varname = Jim_GetString(argv[1], &len);
2770         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2771
2772         e = Jim_GetLong(interp, argv[2], &l);
2773         width = l;
2774         if (e != JIM_OK) {
2775                 return e;
2776         }
2777
2778         e = Jim_GetLong(interp, argv[3], &l);
2779         addr = l;
2780         if (e != JIM_OK) {
2781                 return e;
2782         }
2783         e = Jim_GetLong(interp, argv[4], &l);
2784         len = l;
2785         if (e != JIM_OK) {
2786                 return e;
2787         }
2788         switch (width) {
2789                 case 8:
2790                         width = 1;
2791                         break;
2792                 case 16:
2793                         width = 2;
2794                         break;
2795                 case 32:
2796                         width = 4;
2797                         break;
2798                 default:
2799                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2800                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2801                         return JIM_ERR;
2802         }
2803         if (len == 0) {
2804                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2805                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: zero width read?", NULL);
2806                 return JIM_ERR;
2807         }
2808         if ((addr + (len * width)) < addr) {
2809                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2810                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: addr + len - wraps to zero?", NULL);
2811                 return JIM_ERR;
2812         }
2813         /* absurd transfer size? */
2814         if (len > 65536) {
2815                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2816                 Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: absurd > 64K item request", NULL);
2817                 return JIM_ERR;
2818         }
2819
2820         if ((width == 1) ||
2821                 ((width == 2) && ((addr & 1) == 0)) ||
2822                 ((width == 4) && ((addr & 3) == 0))) {
2823                 /* all is well */
2824         } else {
2825                 char buf[100];
2826                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2827                 sprintf(buf, "mem2array address: 0x%08x is not aligned for %d byte reads", addr, width);
2828                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
2829                 return JIM_ERR;
2830         }
2831
2832         /* Transfer loop */
2833
2834         /* index counter */
2835         n = 0;
2836         /* assume ok */
2837         e = JIM_OK;
2838         while (len) {
2839                 /* Slurp... in buffer size chunks */
2840
2841                 count = len; /* in objects.. */
2842                 if (count > (sizeof(buffer)/width)) {
2843                         count = (sizeof(buffer)/width);
2844                 }
2845
2846                 retval = target->type->read_memory( target, addr, width, count, buffer );
2847                 if (retval != ERROR_OK) {
2848                         /* BOO !*/
2849                         LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
2850                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2851                         Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL);
2852                         e = JIM_ERR;
2853                         len = 0;
2854                 } else {
2855                         v = 0; /* shut up gcc */
2856                         for (i = 0 ;i < count ;i++, n++) {
2857                                 switch (width) {
2858                                         case 4:
2859                                                 v = target_buffer_get_u32(target, &buffer[i*width]);
2860                                                 break;
2861                                         case 2:
2862                                                 v = target_buffer_get_u16(target, &buffer[i*width]);
2863                                                 break;
2864                                         case 1:
2865                                                 v = buffer[i] & 0x0ff;
2866                                                 break;
2867                                 }
2868                                 new_int_array_element(interp, varname, n, v);
2869                         }
2870                         len -= count;
2871                 }
2872         }
2873
2874         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2875
2876         return JIM_OK;
2877 }
2878
2879 static int get_int_array_element(Jim_Interp * interp, const char *varname, int idx, u32 *val)
2880 {
2881         char *namebuf;
2882         Jim_Obj *nameObjPtr, *valObjPtr;
2883         int result;
2884         long l;
2885
2886         namebuf = alloc_printf("%s(%d)", varname, idx);
2887         if (!namebuf)
2888                 return JIM_ERR;
2889
2890         nameObjPtr = Jim_NewStringObj(interp, namebuf, -1);
2891         if (!nameObjPtr)
2892         {
2893                 free(namebuf);
2894                 return JIM_ERR;
2895         }
2896
2897         Jim_IncrRefCount(nameObjPtr);
2898         valObjPtr = Jim_GetVariable(interp, nameObjPtr, JIM_ERRMSG);
2899         Jim_DecrRefCount(interp, nameObjPtr);
2900         free(namebuf);
2901         if (valObjPtr == NULL)
2902                 return JIM_ERR;
2903
2904         result = Jim_GetLong(interp, valObjPtr, &l);
2905         /* printf("%s(%d) => 0%08x\n", varname, idx, val); */
2906         *val = l;
2907         return result;
2908 }
2909
2910 static int jim_array2mem(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
2911 {
2912         command_context_t *context;
2913         target_t *target;
2914
2915         context = Jim_GetAssocData(interp, "context");
2916         if (context == NULL){
2917                 LOG_ERROR("array2mem: no command context");
2918                 return JIM_ERR;
2919         }
2920         target = get_current_target(context);
2921         if (target == NULL){
2922                 LOG_ERROR("array2mem: no current target");
2923                 return JIM_ERR;
2924         }
2925
2926         return target_array2mem( interp,target, argc, argv );
2927 }
2928
2929 static int target_array2mem(Jim_Interp *interp, target_t *target, int argc, Jim_Obj *const *argv)
2930 {
2931         long l;
2932         u32 width;
2933         int len;
2934         u32 addr;
2935         u32 count;
2936         u32 v;
2937         const char *varname;
2938         u8 buffer[4096];
2939         int  n, e, retval;
2940         u32 i;
2941
2942         /* argv[1] = name of array to get the data
2943          * argv[2] = desired width
2944          * argv[3] = memory address
2945          * argv[4] = count to write
2946          */
2947         if (argc != 5) {
2948                 Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems");
2949                 return JIM_ERR;
2950         }
2951         varname = Jim_GetString(argv[1], &len);
2952         /* given "foo" get space for worse case "foo(%d)" .. add 20 */
2953
2954         e = Jim_GetLong(interp, argv[2], &l);
2955         width = l;
2956         if (e != JIM_OK) {
2957                 return e;
2958         }
2959
2960         e = Jim_GetLong(interp, argv[3], &l);
2961         addr = l;
2962         if (e != JIM_OK) {
2963                 return e;
2964         }
2965         e = Jim_GetLong(interp, argv[4], &l);
2966         len = l;
2967         if (e != JIM_OK) {
2968                 return e;
2969         }
2970         switch (width) {
2971                 case 8:
2972                         width = 1;
2973                         break;
2974                 case 16:
2975                         width = 2;
2976                         break;
2977                 case 32:
2978                         width = 4;
2979                         break;
2980                 default:
2981                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2982                         Jim_AppendStrings( interp, Jim_GetResult(interp), "Invalid width param, must be 8/16/32", NULL );
2983                         return JIM_ERR;
2984         }
2985         if (len == 0) {
2986                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2987                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: zero width read?", NULL);
2988                 return JIM_ERR;
2989         }
2990         if ((addr + (len * width)) < addr) {
2991                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2992                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: addr + len - wraps to zero?", NULL);
2993                 return JIM_ERR;
2994         }
2995         /* absurd transfer size? */
2996         if (len > 65536) {
2997                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
2998                 Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: absurd > 64K item request", NULL);
2999                 return JIM_ERR;
3000         }
3001
3002         if ((width == 1) ||
3003                 ((width == 2) && ((addr & 1) == 0)) ||
3004                 ((width == 4) && ((addr & 3) == 0))) {
3005                 /* all is well */
3006         } else {
3007                 char buf[100];
3008                 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3009                 sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", addr, width);
3010                 Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL);
3011                 return JIM_ERR;
3012         }
3013
3014         /* Transfer loop */
3015
3016         /* index counter */
3017         n = 0;
3018         /* assume ok */
3019         e = JIM_OK;
3020         while (len) {
3021                 /* Slurp... in buffer size chunks */
3022
3023                 count = len; /* in objects.. */
3024                 if (count > (sizeof(buffer)/width)) {
3025                         count = (sizeof(buffer)/width);
3026                 }
3027
3028                 v = 0; /* shut up gcc */
3029                 for (i = 0 ;i < count ;i++, n++) {
3030                         get_int_array_element(interp, varname, n, &v);
3031                         switch (width) {
3032                         case 4:
3033                                 target_buffer_set_u32(target, &buffer[i*width], v);
3034                                 break;
3035                         case 2:
3036                                 target_buffer_set_u16(target, &buffer[i*width], v);
3037                                 break;
3038                         case 1:
3039                                 buffer[i] = v & 0x0ff;
3040                                 break;
3041                         }
3042                 }
3043                 len -= count;
3044
3045                 retval = target->type->write_memory(target, addr, width, count, buffer);
3046                 if (retval != ERROR_OK) {
3047                         /* BOO !*/
3048                         LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", addr, width, count);
3049                         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3050                         Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL);
3051                         e = JIM_ERR;
3052                         len = 0;
3053                 }
3054         }
3055
3056         Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
3057
3058         return JIM_OK;
3059 }
3060
3061 void target_all_handle_event( enum target_event e )
3062 {
3063         target_t *target;
3064
3065         LOG_DEBUG( "**all*targets: event: %d, %s",
3066                         e,
3067                         Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3068
3069         target = all_targets;
3070         while (target){
3071                 target_handle_event( target, e );
3072                 target = target->next;
3073         }
3074 }
3075
3076 void target_handle_event( target_t *target, enum target_event e )
3077 {
3078         target_event_action_t *teap;
3079         int done;
3080
3081         teap = target->event_action;
3082
3083         done = 0;
3084         while( teap ){
3085                 if( teap->event == e ){
3086                         done = 1;
3087                         LOG_DEBUG( "target: (%d) %s (%s) event: %d (%s) action: %s\n",
3088                                            target->target_number,
3089                                            target->cmd_name,
3090                                            target->type->name,
3091                                            e,
3092                                            Jim_Nvp_value2name_simple( nvp_target_event, e )->name,
3093                                            Jim_GetString( teap->body, NULL ) );
3094                         if (Jim_EvalObj( interp, teap->body )!=JIM_OK)
3095                         {
3096                                 Jim_PrintErrorMessage(interp);
3097                         }
3098                 }
3099                 teap = teap->next;
3100         }
3101         if( !done ){
3102                 LOG_DEBUG( "event: %d %s - no action",
3103                                    e,
3104                                    Jim_Nvp_value2name_simple( nvp_target_event, e )->name );
3105         }
3106 }
3107
3108 enum target_cfg_param {
3109         TCFG_TYPE,
3110         TCFG_EVENT,
3111         TCFG_WORK_AREA_VIRT,
3112         TCFG_WORK_AREA_PHYS,
3113         TCFG_WORK_AREA_SIZE,
3114         TCFG_WORK_AREA_BACKUP,
3115         TCFG_ENDIAN,
3116         TCFG_VARIANT,
3117         TCFG_CHAIN_POSITION,
3118 };
3119
3120 static Jim_Nvp nvp_config_opts[] = {
3121         { .name = "-type",             .value = TCFG_TYPE },
3122         { .name = "-event",            .value = TCFG_EVENT },
3123         { .name = "-work-area-virt",   .value = TCFG_WORK_AREA_VIRT },
3124         { .name = "-work-area-phys",   .value = TCFG_WORK_AREA_PHYS },
3125         { .name = "-work-area-size",   .value = TCFG_WORK_AREA_SIZE },
3126         { .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
3127         { .name = "-endian" ,          .value = TCFG_ENDIAN },
3128         { .name = "-variant",          .value = TCFG_VARIANT },
3129         { .name = "-chain-position",   .value = TCFG_CHAIN_POSITION },
3130
3131         { .name = NULL, .value = -1 }
3132 };
3133
3134 static int target_configure( Jim_GetOptInfo *goi, target_t *target )
3135 {
3136         Jim_Nvp *n;
3137         Jim_Obj *o;
3138         jim_wide w;
3139         char *cp;
3140         int e;
3141
3142         /* parse config or cget options ... */
3143         while( goi->argc > 0 ){
3144                 Jim_SetEmptyResult( goi->interp );
3145                 /* Jim_GetOpt_Debug( goi ); */
3146
3147                 if( target->type->target_jim_configure ){
3148                         /* target defines a configure function */
3149                         /* target gets first dibs on parameters */
3150                         e = (*(target->type->target_jim_configure))( target, goi );
3151                         if( e == JIM_OK ){
3152                                 /* more? */
3153                                 continue;
3154                         }
3155                         if( e == JIM_ERR ){
3156                                 /* An error */
3157                                 return e;
3158                         }
3159                         /* otherwise we 'continue' below */
3160                 }
3161                 e = Jim_GetOpt_Nvp( goi, nvp_config_opts, &n );
3162                 if( e != JIM_OK ){
3163                         Jim_GetOpt_NvpUnknown( goi, nvp_config_opts, 0 );
3164                         return e;
3165                 }
3166                 switch( n->value ){
3167                 case TCFG_TYPE:
3168                         /* not setable */
3169                         if( goi->isconfigure ){
3170                                 Jim_SetResult_sprintf( goi->interp, "not setable: %s", n->name );
3171                                 return JIM_ERR;
3172                         } else {
3173                         no_params:
3174                                 if( goi->argc != 0 ){
3175                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "NO PARAMS");
3176                                         return JIM_ERR;
3177                                 }
3178                         }
3179                         Jim_SetResultString( goi->interp, target->type->name, -1 );
3180                         /* loop for more */
3181                         break;
3182                 case TCFG_EVENT:
3183                         if( goi->argc == 0 ){
3184                                 Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ...");
3185                                 return JIM_ERR;
3186                         }
3187
3188                         e = Jim_GetOpt_Nvp( goi, nvp_target_event, &n );
3189                         if( e != JIM_OK ){
3190                                 Jim_GetOpt_NvpUnknown( goi, nvp_target_event, 1 );
3191                                 return e;
3192                         }
3193
3194                         if( goi->isconfigure ){
3195                                 if( goi->argc != 1 ){
3196                                         Jim_WrongNumArgs( goi->interp, goi->argc, goi->argv, "-event ?event-name? ?EVENT-BODY?");
3197                                         return JIM_ERR;
3198                                 }
3199                         } else {
3200                                 if( goi->argc != 0 ){
3201                                         Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "-event ?event-name?");
3202                                         return JIM_ERR;
3203                                 }
3204                         }
3205
3206                         {
3207                                 target_event_action_t *teap;
3208
3209                                 teap = target->event_action;
3210                                 /* replace existing? */
3211                                 while( teap ){
3212                                         if( teap->event == (enum target_event)n->value ){
3213                                                 break;
3214                                         }
3215                                         teap = teap->next;
3216                                 }
3217
3218                                 if( goi->isconfigure ){
3219                                         if( teap == NULL ){
3220                                                 /* create new */
3221                                                 teap = calloc( 1, sizeof(*teap) );
3222                                         }
3223                                         teap->event = n->value;
3224                                         Jim_GetOpt_Obj( goi, &o );
3225                                         if( teap->body ){
3226                                                 Jim_DecrRefCount( interp, teap->body );
3227                                         }
3228                                         teap->body  = Jim_DuplicateObj( goi->interp, o );
3229                                         /*
3230                                          * FIXME:
3231                                          *     Tcl/TK - "tk events" have a nice feature.
3232                                          *     See the "BIND" command.
3233                                          *    We should support that here.
3234                                          *     You can specify %X and %Y in the event code.
3235                                          *     The idea is: %T - target name.
3236                                          *     The idea is: %N - target number
3237                                          *     The idea is: %E - event name.
3238                                          */
3239                                         Jim_IncrRefCount( teap->body );
3240
3241                                         /* add to head of event list */
3242                                         teap->next = target->event_action;
3243                                         target->event_action = teap;
3244                                         Jim_SetEmptyResult(goi->interp);
3245                                 } else {
3246                                         /* get */
3247                                         if( teap == NULL ){
3248                                                 Jim_SetEmptyResult( goi->interp );
3249                                         } else {
3250                                                 Jim_SetResult( goi->interp, Jim_DuplicateObj( goi->interp, teap->body ) );
3251                                         }
3252                                 }
3253                         }
3254                         /* loop for more */
3255                         break;
3256
3257                 case TCFG_WORK_AREA_VIRT:
3258                         if( goi->isconfigure ){
3259                                 target_free_all_working_areas(target);
3260                                 e = Jim_GetOpt_Wide( goi, &w );
3261                                 if( e != JIM_OK ){
3262                                         return e;
3263                                 }
3264                                 target->working_area_virt = w;
3265                         } else {
3266                                 if( goi->argc != 0 ){
3267                                         goto no_params;
3268                                 }
3269                         }
3270                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_virt ) );
3271                         /* loop for more */
3272                         break;
3273
3274                 case TCFG_WORK_AREA_PHYS:
3275                         if( goi->isconfigure ){
3276                                 target_free_all_working_areas(target);
3277                                 e = Jim_GetOpt_Wide( goi, &w );
3278                                 if( e != JIM_OK ){
3279                                         return e;
3280                                 }
3281                                 target->working_area_phys = w;
3282                         } else {
3283                                 if( goi->argc != 0 ){
3284                                         goto no_params;
3285                                 }
3286                         }
3287                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_phys ) );
3288                         /* loop for more */
3289                         break;
3290
3291                 case TCFG_WORK_AREA_SIZE:
3292                         if( goi->isconfigure ){
3293                                 target_free_all_working_areas(target);
3294                                 e = Jim_GetOpt_Wide( goi, &w );
3295                                 if( e != JIM_OK ){
3296                                         return e;
3297                                 }
3298                                 target->working_area_size = w;
3299                         } else {
3300                                 if( goi->argc != 0 ){
3301                                         goto no_params;
3302                                 }
3303                         }
3304                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3305                         /* loop for more */
3306                         break;
3307
3308                 case TCFG_WORK_AREA_BACKUP:
3309                         if( goi->isconfigure ){
3310                                 target_free_all_working_areas(target);
3311                                 e = Jim_GetOpt_Wide( goi, &w );
3312                                 if( e != JIM_OK ){
3313                                         return e;
3314                                 }
3315                                 /* make this exactly 1 or 0 */
3316                                 target->backup_working_area = (!!w);
3317                         } else {
3318                                 if( goi->argc != 0 ){
3319                                         goto no_params;
3320                                 }
3321                         }
3322                         Jim_SetResult( interp, Jim_NewIntObj( goi->interp, target->working_area_size ) );
3323                         /* loop for more e*/
3324                         break;
3325
3326                 case TCFG_ENDIAN:
3327                         if( goi->isconfigure ){
3328                                 e = Jim_GetOpt_Nvp( goi, nvp_target_endian, &n );
3329                                 if( e != JIM_OK ){
3330                                         Jim_GetOpt_NvpUnknown( goi, nvp_target_endian, 1 );
3331                                         return e;
3332                                 }
3333                                 target->endianness = n->value;
3334                         } else {
3335                                 if( goi->argc != 0 ){
3336                                         goto no_params;
3337                                 }
3338                         }
3339                         n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3340                         if( n->name == NULL ){
3341                                 target->endianness = TARGET_LITTLE_ENDIAN;
3342                                 n = Jim_Nvp_value2name_simple( nvp_target_endian, target->endianness );
3343                         }
3344                         Jim_SetResultString( goi->interp, n->name, -1 );
3345                         /* loop for more */
3346                         break;
3347
3348                 case TCFG_VARIANT:
3349                         if( goi->isconfigure ){
3350                                 if( goi->argc < 1 ){
3351                                         Jim_SetResult_sprintf( goi->interp,
3352                                                                                    "%s ?STRING?",
3353                                                                                    n->name );
3354                                         return JIM_ERR;
3355                                 }
3356                                 if( target->variant ){
3357                                         free((void *)(target->variant));
3358                                 }
3359                                 e = Jim_GetOpt_String( goi, &cp, NULL );
3360                                 target->variant = strdup(cp);
3361                         } else {
3362                                 if( goi->argc != 0 ){
3363                                         goto no_params;
3364                                 }
3365                         }
3366                         Jim_SetResultString( goi->interp, target->variant,-1 );
3367                         /* loop for more */
3368                         break;
3369                 case TCFG_CHAIN_POSITION:
3370                         if( goi->isconfigure ){
3371                                 Jim_Obj *o;
3372                                 jtag_tap_t *tap;
3373                                 target_free_all_working_areas(target);
3374                                 e = Jim_GetOpt_Obj( goi, &o );
3375                                 if( e != JIM_OK ){
3376                                         return e;
3377                                 }
3378                                 tap = jtag_TapByJimObj( goi->interp, o );
3379                                 if( tap == NULL ){
3380                                         return JIM_ERR;
3381                                 }
3382                                 /* make this exactly 1 or 0 */
3383                                 target->tap = tap;
3384                         } else {
3385                                 if( goi->argc != 0 ){
3386                                         goto no_params;
3387                                 }
3388                         }
3389                         Jim_SetResultString( interp, target->tap->dotted_name, -1 );
3390                         /* loop for more e*/
3391                         break;
3392                 }
3393         } /* while( goi->argc ) */
3394
3395
3396                 /* done - we return */
3397         return JIM_OK;
3398 }
3399
3400 /** this is the 'tcl' handler for the target specific command */
3401 static int tcl_target_func( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3402 {
3403         Jim_GetOptInfo goi;
3404         jim_wide a,b,c;
3405         int x,y,z;
3406         u8  target_buf[32];
3407         Jim_Nvp *n;
3408         target_t *target;
3409         struct command_context_s *cmd_ctx;
3410         int e;
3411
3412         enum {
3413                 TS_CMD_CONFIGURE,
3414                 TS_CMD_CGET,
3415
3416                 TS_CMD_MWW, TS_CMD_MWH, TS_CMD_MWB,
3417                 TS_CMD_MDW, TS_CMD_MDH, TS_CMD_MDB,
3418                 TS_CMD_MRW, TS_CMD_MRH, TS_CMD_MRB,
3419                 TS_CMD_MEM2ARRAY, TS_CMD_ARRAY2MEM,
3420                 TS_CMD_EXAMINE,
3421                 TS_CMD_POLL,
3422                 TS_CMD_RESET,
3423                 TS_CMD_HALT,
3424                 TS_CMD_WAITSTATE,
3425                 TS_CMD_EVENTLIST,
3426                 TS_CMD_CURSTATE,
3427                 TS_CMD_INVOKE_EVENT,
3428         };
3429
3430         static const Jim_Nvp target_options[] = {
3431                 { .name = "configure", .value = TS_CMD_CONFIGURE },
3432                 { .name = "cget", .value = TS_CMD_CGET },
3433                 { .name = "mww", .value = TS_CMD_MWW },
3434                 { .name = "mwh", .value = TS_CMD_MWH },
3435                 { .name = "mwb", .value = TS_CMD_MWB },
3436                 { .name = "mdw", .value = TS_CMD_MDW },
3437                 { .name = "mdh", .value = TS_CMD_MDH },
3438                 { .name = "mdb", .value = TS_CMD_MDB },
3439                 { .name = "mem2array", .value = TS_CMD_MEM2ARRAY },
3440                 { .name = "array2mem", .value = TS_CMD_ARRAY2MEM },
3441                 { .name = "eventlist", .value = TS_CMD_EVENTLIST },
3442                 { .name = "curstate",  .value = TS_CMD_CURSTATE },
3443
3444                 { .name = "arp_examine", .value = TS_CMD_EXAMINE },
3445                 { .name = "arp_poll", .value = TS_CMD_POLL },
3446                 { .name = "arp_reset", .value = TS_CMD_RESET },
3447                 { .name = "arp_halt", .value = TS_CMD_HALT },
3448                 { .name = "arp_waitstate", .value = TS_CMD_WAITSTATE },
3449                 { .name = "invoke-event", .value = TS_CMD_INVOKE_EVENT },
3450
3451                 { .name = NULL, .value = -1 },
3452         };
3453
3454         /* go past the "command" */
3455         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3456
3457         target = Jim_CmdPrivData( goi.interp );
3458         cmd_ctx = Jim_GetAssocData(goi.interp, "context");
3459
3460         /* commands here are in an NVP table */
3461         e = Jim_GetOpt_Nvp( &goi, target_options, &n );
3462         if( e != JIM_OK ){
3463                 Jim_GetOpt_NvpUnknown( &goi, target_options, 0 );
3464                 return e;
3465         }
3466         /* Assume blank result */
3467         Jim_SetEmptyResult( goi.interp );
3468
3469         switch( n->value ){
3470         case TS_CMD_CONFIGURE:
3471                 if( goi.argc < 2 ){
3472                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "missing: -option VALUE ...");
3473                         return JIM_ERR;
3474                 }
3475                 goi.isconfigure = 1;
3476                 return target_configure( &goi, target );
3477         case TS_CMD_CGET:
3478                 // some things take params
3479                 if( goi.argc < 1 ){
3480                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "missing: ?-option?");
3481                         return JIM_ERR;
3482                 }
3483                 goi.isconfigure = 0;
3484                 return target_configure( &goi, target );
3485                 break;
3486         case TS_CMD_MWW:
3487         case TS_CMD_MWH:
3488         case TS_CMD_MWB:
3489                 /* argv[0] = cmd
3490                  * argv[1] = address
3491                  * argv[2] = data
3492                  * argv[3] = optional count.
3493                  */
3494
3495                 if( (goi.argc == 3) || (goi.argc == 4) ){
3496                         /* all is well */
3497                 } else {
3498                 mwx_error:
3499                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR DATA [COUNT]", n->name );
3500                         return JIM_ERR;
3501                 }
3502
3503                 e = Jim_GetOpt_Wide( &goi, &a );
3504                 if( e != JIM_OK ){
3505                         goto mwx_error;
3506                 }
3507
3508                 e = Jim_GetOpt_Wide( &goi, &b );
3509                 if( e != JIM_OK ){
3510                         goto mwx_error;
3511                 }
3512                 if( goi.argc ){
3513                         e = Jim_GetOpt_Wide( &goi, &c );
3514                         if( e != JIM_OK ){
3515                                 goto mwx_error;
3516                         }
3517                 } else {
3518                         c = 1;
3519                 }
3520
3521                 switch( n->value ){
3522                 case TS_CMD_MWW:
3523                         target_buffer_set_u32( target, target_buf, b );
3524                         b = 4;
3525                         break;
3526                 case TS_CMD_MWH:
3527                         target_buffer_set_u16( target, target_buf, b );
3528                         b = 2;
3529                         break;
3530                 case TS_CMD_MWB:
3531                         target_buffer_set_u8( target, target_buf, b );
3532                         b = 1;
3533                         break;
3534                 }
3535                 for( x = 0 ; x < c ; x++ ){
3536                         e = target->type->write_memory( target, a, b, 1, target_buf );
3537                         if( e != ERROR_OK ){
3538                                 Jim_SetResult_sprintf( interp, "Error writing @ 0x%08x: %d\n", (int)(a), e );
3539                                 return JIM_ERR;
3540                         }
3541                         /* b = width */
3542                         a = a + b;
3543                 }
3544                 return JIM_OK;
3545                 break;
3546
3547                 /* display */
3548         case TS_CMD_MDW:
3549         case TS_CMD_MDH:
3550         case TS_CMD_MDB:
3551                 /* argv[0] = command
3552                  * argv[1] = address
3553                  * argv[2] = optional count
3554                  */
3555                 if( (goi.argc == 2) || (goi.argc == 3) ){
3556                         Jim_SetResult_sprintf( goi.interp, "expected: %s ADDR [COUNT]", n->name );
3557                         return JIM_ERR;
3558                 }
3559                 e = Jim_GetOpt_Wide( &goi, &a );
3560                 if( e != JIM_OK ){
3561                         return JIM_ERR;
3562                 }
3563                 if( goi.argc ){
3564                         e = Jim_GetOpt_Wide( &goi, &c );
3565                         if( e != JIM_OK ){
3566                                 return JIM_ERR;
3567                         }
3568                 } else {
3569                         c = 1;
3570                 }
3571                 b = 1; /* shut up gcc */
3572                 switch( n->value ){
3573                 case TS_CMD_MDW:
3574                         b =  4;
3575                         break;
3576                 case TS_CMD_MDH:
3577                         b = 2;
3578                         break;
3579                 case TS_CMD_MDB:
3580                         b = 1;
3581                         break;
3582                 }
3583
3584                 /* convert to "bytes" */
3585                 c = c * b;
3586                 /* count is now in 'BYTES' */
3587                 while( c > 0 ){
3588                         y = c;
3589                         if( y > 16 ){
3590                                 y = 16;
3591                         }
3592                         e = target->type->read_memory( target, a, b, y / b, target_buf );
3593                         if( e != ERROR_OK ){
3594                                 Jim_SetResult_sprintf( interp, "error reading target @ 0x%08lx", (int)(a) );
3595                                 return JIM_ERR;
3596                         }
3597
3598                         Jim_fprintf( interp, interp->cookie_stdout, "0x%08x ", (int)(a) );
3599                         switch( b ){
3600                         case 4:
3601                                 for( x = 0 ; (x < 16) && (x < y) ; x += 4 ){
3602                                         z = target_buffer_get_u32( target, &(target_buf[ x * 4 ]) );
3603                                         Jim_fprintf( interp, interp->cookie_stdout, "%08x ", (int)(z) );
3604                                 }
3605                                 for( ; (x < 16) ; x += 4 ){
3606                                         Jim_fprintf( interp, interp->cookie_stdout, "         " );
3607                                 }
3608                                 break;
3609                         case 2:
3610                                 for( x = 0 ; (x < 16) && (x < y) ; x += 2 ){
3611                                         z = target_buffer_get_u16( target, &(target_buf[ x * 2 ]) );
3612                                         Jim_fprintf( interp, interp->cookie_stdout, "%04x ", (int)(z) );
3613                                 }
3614                                 for( ; (x < 16) ; x += 2 ){
3615                                         Jim_fprintf( interp, interp->cookie_stdout, "     " );
3616                                 }
3617                                 break;
3618                         case 1:
3619                         default:
3620                                 for( x = 0 ; (x < 16) && (x < y) ; x += 1 ){
3621                                         z = target_buffer_get_u8( target, &(target_buf[ x * 4 ]) );
3622                                         Jim_fprintf( interp, interp->cookie_stdout, "%02x ", (int)(z) );
3623                                 }
3624                                 for( ; (x < 16) ; x += 1 ){
3625                                         Jim_fprintf( interp, interp->cookie_stdout, "   " );
3626                                 }
3627                                 break;
3628                         }
3629                         /* ascii-ify the bytes */
3630                         for( x = 0 ; x < y ; x++ ){
3631                                 if( (target_buf[x] >= 0x20) &&
3632                                         (target_buf[x] <= 0x7e) ){
3633                                         /* good */
3634                                 } else {
3635                                         /* smack it */
3636                                         target_buf[x] = '.';
3637                                 }
3638                         }
3639                         /* space pad  */
3640                         while( x < 16 ){
3641                                 target_buf[x] = ' ';
3642                                 x++;
3643                         }
3644                         /* terminate */
3645                         target_buf[16] = 0;
3646                         /* print - with a newline */
3647                         Jim_fprintf( interp, interp->cookie_stdout, "%s\n", target_buf );
3648                         /* NEXT... */
3649                         c -= 16;
3650                         a += 16;
3651                 }
3652                 return JIM_OK;
3653         case TS_CMD_MEM2ARRAY:
3654                 return target_mem2array( goi.interp, target, goi.argc, goi.argv );
3655                 break;
3656         case TS_CMD_ARRAY2MEM:
3657                 return target_array2mem( goi.interp, target, goi.argc, goi.argv );
3658                 break;
3659         case TS_CMD_EXAMINE:
3660                 if( goi.argc ){
3661                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3662                         return JIM_ERR;
3663                 }
3664                 e = target->type->examine( target );
3665                 if( e != ERROR_OK ){
3666                         Jim_SetResult_sprintf( interp, "examine-fails: %d", e );
3667                         return JIM_ERR;
3668                 }
3669                 return JIM_OK;
3670         case TS_CMD_POLL:
3671                 if( goi.argc ){
3672                         Jim_WrongNumArgs( goi.interp, 2, argv, "[no parameters]");
3673                         return JIM_ERR;
3674                 }
3675                 if( !(target->type->examined) ){
3676                         e = ERROR_TARGET_NOT_EXAMINED;
3677                 } else {
3678                         e = target->type->poll( target );
3679                 }
3680                 if( e != ERROR_OK ){
3681                         Jim_SetResult_sprintf( interp, "poll-fails: %d", e );
3682                         return JIM_ERR;
3683                 } else {
3684                         return JIM_OK;
3685                 }
3686                 break;
3687         case TS_CMD_RESET:
3688                 if( goi.argc != 2 ){
3689                         Jim_WrongNumArgs( interp, 2, argv, "t|f|assert|deassert BOOL");
3690                         return JIM_ERR;
3691                 }
3692                 e = Jim_GetOpt_Nvp( &goi, nvp_assert, &n );
3693                 if( e != JIM_OK ){
3694                         Jim_GetOpt_NvpUnknown( &goi, nvp_assert, 1 );
3695                         return e;
3696                 }
3697                 /* the halt or not param */
3698                 e = Jim_GetOpt_Wide( &goi, &a);
3699                 if( e != JIM_OK ){
3700                         return e;
3701                 }
3702                 /* determine if we should halt or not. */
3703                 target->reset_halt = !!a;
3704                 /* When this happens - all workareas are invalid. */
3705                 target_free_all_working_areas_restore(target, 0);
3706
3707                 /* do the assert */
3708                 if( n->value == NVP_ASSERT ){
3709                         target->type->assert_reset( target );
3710                 } else {
3711                         target->type->deassert_reset( target );
3712                 }
3713                 return JIM_OK;
3714         case TS_CMD_HALT:
3715                 if( goi.argc ){
3716                         Jim_WrongNumArgs( goi.interp, 0, argv, "halt [no parameters]");
3717                         return JIM_ERR;
3718                 }
3719                 target->type->halt( target );
3720                 return JIM_OK;
3721         case TS_CMD_WAITSTATE:
3722                 /* params:  <name>  statename timeoutmsecs */
3723                 if( goi.argc != 2 ){
3724                         Jim_SetResult_sprintf( goi.interp, "%s STATENAME TIMEOUTMSECS", n->name );
3725                         return JIM_ERR;
3726                 }
3727                 e = Jim_GetOpt_Nvp( &goi, nvp_target_state, &n );
3728                 if( e != JIM_OK ){
3729                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_state,1 );
3730                         return e;
3731                 }
3732                 e = Jim_GetOpt_Wide( &goi, &a );
3733                 if( e != JIM_OK ){
3734                         return e;
3735                 }
3736                 e = target_wait_state( target, n->value, a );
3737                 if( e != ERROR_OK ){
3738                         Jim_SetResult_sprintf( goi.interp,
3739                                                                    "target: %s wait %s fails (%d) %s",
3740                                                                    target->cmd_name,
3741                                                                    n->name,
3742                                                                    e, target_strerror_safe(e) );
3743                         return JIM_ERR;
3744                 } else {
3745                         return JIM_OK;
3746                 }
3747         case TS_CMD_EVENTLIST:
3748                 /* List for human, Events defined for this target.
3749                  * scripts/programs should use 'name cget -event NAME'
3750                  */
3751                 {
3752                         target_event_action_t *teap;
3753                         teap = target->event_action;
3754                         command_print( cmd_ctx, "Event actions for target (%d) %s\n",
3755                                                    target->target_number,
3756                                                    target->cmd_name );
3757                         command_print( cmd_ctx, "%-25s | Body", "Event");
3758                         command_print( cmd_ctx, "------------------------- | ----------------------------------------");
3759                         while( teap ){
3760                                 command_print( cmd_ctx,
3761                                                            "%-25s | %s",
3762                                                            Jim_Nvp_value2name_simple( nvp_target_event, teap->event )->name,
3763                                                            Jim_GetString( teap->body, NULL ) );
3764                                 teap = teap->next;
3765                         }
3766                         command_print( cmd_ctx, "***END***");
3767                         return JIM_OK;
3768                 }
3769         case TS_CMD_CURSTATE:
3770                 if( goi.argc != 0 ){
3771                         Jim_WrongNumArgs( goi.interp, 0, argv, "[no parameters]");
3772                         return JIM_ERR;
3773                 }
3774                 Jim_SetResultString( goi.interp,
3775                                                          Jim_Nvp_value2name_simple(nvp_target_state,target->state)->name,-1);
3776                 return JIM_OK;
3777         case TS_CMD_INVOKE_EVENT:
3778                 if( goi.argc != 1 ){
3779                         Jim_SetResult_sprintf( goi.interp, "%s ?EVENTNAME?",n->name);
3780                         return JIM_ERR;
3781                 }
3782                 e = Jim_GetOpt_Nvp( &goi, nvp_target_event, &n );
3783                 if( e != JIM_OK ){
3784                         Jim_GetOpt_NvpUnknown( &goi, nvp_target_event, 1 );
3785                         return e;
3786                 }
3787                 target_handle_event( target, n->value );
3788                 return JIM_OK;
3789         }
3790         return JIM_ERR;
3791 }
3792
3793 static int target_create( Jim_GetOptInfo *goi )
3794 {
3795         Jim_Obj *new_cmd;
3796         Jim_Cmd *cmd;
3797         const char *cp;
3798         char *cp2;
3799         int e;
3800         int x;
3801         target_t *target;
3802         struct command_context_s *cmd_ctx;
3803
3804         cmd_ctx = Jim_GetAssocData(goi->interp, "context");
3805         if( goi->argc < 3 ){
3806                 Jim_WrongNumArgs( goi->interp, 1, goi->argv, "?name? ?type? ..options...");
3807                 return JIM_ERR;
3808         }
3809
3810         /* COMMAND */
3811         Jim_GetOpt_Obj( goi, &new_cmd );
3812         /* does this command exist? */
3813         cmd = Jim_GetCommand( goi->interp, new_cmd, JIM_ERRMSG );
3814         if( cmd ){
3815                 cp = Jim_GetString( new_cmd, NULL );
3816                 Jim_SetResult_sprintf(goi->interp, "Command/target: %s Exists", cp);
3817                 return JIM_ERR;
3818         }
3819
3820         /* TYPE */
3821         e = Jim_GetOpt_String( goi, &cp2, NULL );
3822         cp = cp2;
3823         /* now does target type exist */
3824         for( x = 0 ; target_types[x] ; x++ ){
3825                 if( 0 == strcmp( cp, target_types[x]->name ) ){
3826                         /* found */
3827                         break;
3828                 }
3829         }
3830         if( target_types[x] == NULL ){
3831                 Jim_SetResult_sprintf( goi->interp, "Unknown target type %s, try one of ", cp );
3832                 for( x = 0 ; target_types[x] ; x++ ){
3833                         if( target_types[x+1] ){
3834                                 Jim_AppendStrings( goi->interp,
3835                                                                    Jim_GetResult(goi->interp),
3836                                                                    target_types[x]->name,
3837                                                                    ", ", NULL);
3838                         } else {
3839                                 Jim_AppendStrings( goi->interp,
3840                                                                    Jim_GetResult(goi->interp),
3841                                                                    " or ",
3842                                                                    target_types[x]->name,NULL );
3843                         }
3844                 }
3845                 return JIM_ERR;
3846         }
3847
3848         /* Create it */
3849         target = calloc(1,sizeof(target_t));
3850         /* set target number */
3851         target->target_number = new_target_number();
3852
3853         /* allocate memory for each unique target type */
3854         target->type = (target_type_t*)calloc(1,sizeof(target_type_t));
3855
3856         memcpy( target->type, target_types[x], sizeof(target_type_t));
3857
3858         /* will be set by "-endian" */
3859         target->endianness = TARGET_ENDIAN_UNKNOWN;
3860
3861         target->working_area        = 0x0;
3862         target->working_area_size   = 0x0;
3863         target->working_areas       = NULL;
3864         target->backup_working_area = 0;
3865
3866         target->state               = TARGET_UNKNOWN;
3867         target->debug_reason        = DBG_REASON_UNDEFINED;
3868         target->reg_cache           = NULL;
3869         target->breakpoints         = NULL;
3870         target->watchpoints         = NULL;
3871         target->next                = NULL;
3872         target->arch_info           = NULL;
3873
3874         target->display             = 1;
3875
3876         /* initialize trace information */
3877         target->trace_info = malloc(sizeof(trace_t));
3878         target->trace_info->num_trace_points         = 0;
3879         target->trace_info->trace_points_size        = 0;
3880         target->trace_info->trace_points             = NULL;
3881         target->trace_info->trace_history_size       = 0;
3882         target->trace_info->trace_history            = NULL;
3883         target->trace_info->trace_history_pos        = 0;
3884         target->trace_info->trace_history_overflowed = 0;
3885
3886         target->dbgmsg          = NULL;
3887         target->dbg_msg_enabled = 0;
3888
3889         target->endianness = TARGET_ENDIAN_UNKNOWN;
3890
3891         /* Do the rest as "configure" options */
3892         goi->isconfigure = 1;
3893         e = target_configure( goi, target);
3894
3895         if (target->tap == NULL)
3896         {
3897                 Jim_SetResultString( interp, "-chain-position required when creating target", -1);
3898                 e=JIM_ERR;
3899         }
3900
3901         if( e != JIM_OK ){
3902                 free( target->type );
3903                 free( target );
3904                 return e;
3905         }
3906
3907         if( target->endianness == TARGET_ENDIAN_UNKNOWN ){
3908                 /* default endian to little if not specified */
3909                 target->endianness = TARGET_LITTLE_ENDIAN;
3910         }
3911
3912         /* incase variant is not set */
3913         if (!target->variant)
3914                 target->variant = strdup("");
3915
3916         /* create the target specific commands */
3917         if( target->type->register_commands ){
3918                 (*(target->type->register_commands))( cmd_ctx );
3919         }
3920         if( target->type->target_create ){
3921                 (*(target->type->target_create))( target, goi->interp );
3922         }
3923
3924         /* append to end of list */
3925         {
3926                 target_t **tpp;
3927                 tpp = &(all_targets);
3928                 while( *tpp ){
3929                         tpp = &( (*tpp)->next );
3930                 }
3931                 *tpp = target;
3932         }
3933
3934         cp = Jim_GetString( new_cmd, NULL );
3935         target->cmd_name = strdup(cp);
3936
3937         /* now - create the new target name command */
3938         e = Jim_CreateCommand( goi->interp,
3939                                                    /* name */
3940                                                    cp,
3941                                                    tcl_target_func, /* C function */
3942                                                    target, /* private data */
3943                                                    NULL ); /* no del proc */
3944
3945         return e;
3946 }
3947
3948 static int jim_target( Jim_Interp *interp, int argc, Jim_Obj *const *argv )
3949 {
3950         int x,r,e;
3951         jim_wide w;
3952         struct command_context_s *cmd_ctx;
3953         target_t *target;
3954         Jim_GetOptInfo goi;
3955         enum tcmd {
3956                 /* TG = target generic */
3957                 TG_CMD_CREATE,
3958                 TG_CMD_TYPES,
3959                 TG_CMD_NAMES,
3960                 TG_CMD_CURRENT,
3961                 TG_CMD_NUMBER,
3962                 TG_CMD_COUNT,
3963         };
3964         const char *target_cmds[] = {
3965                 "create", "types", "names", "current", "number",
3966                 "count",
3967                 NULL /* terminate */
3968         };
3969
3970         LOG_DEBUG("Target command params:");
3971         LOG_DEBUG("%s", Jim_Debug_ArgvString(interp, argc, argv));
3972
3973         cmd_ctx = Jim_GetAssocData( interp, "context" );
3974
3975         Jim_GetOpt_Setup( &goi, interp, argc-1, argv+1 );
3976
3977         if( goi.argc == 0 ){
3978                 Jim_WrongNumArgs(interp, 1, argv, "missing: command ...");
3979                 return JIM_ERR;
3980         }
3981
3982         /* Jim_GetOpt_Debug( &goi ); */
3983         r = Jim_GetOpt_Enum( &goi, target_cmds, &x   );
3984         if( r != JIM_OK ){
3985                 return r;
3986         }
3987
3988         switch(x){
3989         default:
3990                 Jim_Panic(goi.interp,"Why am I here?");
3991                 return JIM_ERR;
3992         case TG_CMD_CURRENT:
3993                 if( goi.argc != 0 ){
3994                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters");
3995                         return JIM_ERR;
3996                 }
3997                 Jim_SetResultString( goi.interp, get_current_target( cmd_ctx )->cmd_name, -1 );
3998                 return JIM_OK;
3999         case TG_CMD_TYPES:
4000                 if( goi.argc != 0 ){
4001                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4002                         return JIM_ERR;
4003                 }
4004                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4005                 for( x = 0 ; target_types[x] ; x++ ){
4006                         Jim_ListAppendElement( goi.interp,
4007                                                                    Jim_GetResult(goi.interp),
4008                                                                    Jim_NewStringObj( goi.interp, target_types[x]->name, -1 ) );
4009                 }
4010                 return JIM_OK;
4011         case TG_CMD_NAMES:
4012                 if( goi.argc != 0 ){
4013                         Jim_WrongNumArgs( goi.interp, 1, goi.argv, "Too many parameters" );
4014                         return JIM_ERR;
4015                 }
4016                 Jim_SetResult( goi.interp, Jim_NewListObj( goi.interp, NULL, 0 ) );
4017                 target = all_targets;
4018                 while( target ){
4019                         Jim_ListAppendElement( goi.interp,
4020                                                                    Jim_GetResult(goi.interp),
4021                                                                    Jim_NewStringObj( goi.interp, target->cmd_name, -1 ) );
4022                         target = target->next;
4023                 }
4024                 return JIM_OK;
4025         case TG_CMD_CREATE:
4026                 if( goi.argc < 3 ){
4027                         Jim_WrongNumArgs( goi.interp, goi.argc, goi.argv, "?name  ... config options ...");
4028                         return JIM_ERR;
4029                 }
4030                 return target_create( &goi );
4031                 break;
4032         case TG_CMD_NUMBER:
4033                 if( goi.argc != 1 ){
4034                         Jim_SetResult_sprintf( goi.interp, "expected: target number ?NUMBER?");
4035                         return JIM_ERR;
4036                 }
4037                 e = Jim_GetOpt_Wide( &goi, &w );
4038                 if( e != JIM_OK ){
4039                         return JIM_ERR;
4040                 }
4041                 {
4042                         target_t *t;
4043                         t = get_target_by_num(w);
4044                         if( t == NULL ){
4045                                 Jim_SetResult_sprintf( goi.interp,"Target: number %d does not exist", (int)(w));
4046                                 return JIM_ERR;
4047                         }
4048                         Jim_SetResultString( goi.interp, t->cmd_name, -1 );
4049                         return JIM_OK;
4050                 }
4051         case TG_CMD_COUNT:
4052                 if( goi.argc != 0 ){
4053                         Jim_WrongNumArgs( goi.interp, 0, goi.argv, "<no parameters>");
4054                         return JIM_ERR;
4055                 }
4056                 Jim_SetResult( goi.interp,
4057                                            Jim_NewIntObj( goi.interp, max_target_number()));
4058                 return JIM_OK;
4059         }
4060
4061         return JIM_ERR;
4062 }
4063
4064
4065 struct FastLoad
4066 {
4067         u32 address;
4068         u8 *data;
4069         int length;
4070
4071 };
4072
4073 static int fastload_num;
4074 static struct FastLoad *fastload;
4075
4076 static void free_fastload(void)
4077 {
4078         if (fastload!=NULL)
4079         {
4080                 int i;
4081                 for (i=0; i<fastload_num; i++)
4082                 {
4083                         if (fastload[i].data)
4084                                 free(fastload[i].data);
4085                 }
4086                 free(fastload);
4087                 fastload=NULL;
4088         }
4089 }
4090
4091
4092
4093
4094 static int handle_fast_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4095 {
4096         u8 *buffer;
4097         u32 buf_cnt;
4098         u32 image_size;
4099         u32 min_address=0;
4100         u32 max_address=0xffffffff;
4101         int i;
4102         int retval;
4103
4104         image_t image;
4105
4106         duration_t duration;
4107         char *duration_text;
4108
4109         if ((argc < 1)||(argc > 5))
4110         {
4111                 return ERROR_COMMAND_SYNTAX_ERROR;
4112         }
4113
4114         /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
4115         if (argc >= 2)
4116         {
4117                 image.base_address_set = 1;
4118                 image.base_address = strtoul(args[1], NULL, 0);
4119         }
4120         else
4121         {
4122                 image.base_address_set = 0;
4123         }
4124
4125
4126         image.start_address_set = 0;
4127
4128         if (argc>=4)
4129         {
4130                 min_address=strtoul(args[3], NULL, 0);
4131         }
4132         if (argc>=5)
4133         {
4134                 max_address=strtoul(args[4], NULL, 0)+min_address;
4135         }
4136
4137         if (min_address>max_address)
4138         {
4139                 return ERROR_COMMAND_SYNTAX_ERROR;
4140         }
4141
4142         duration_start_measure(&duration);
4143
4144         if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
4145         {
4146                 return ERROR_OK;
4147         }
4148
4149         image_size = 0x0;
4150         retval = ERROR_OK;
4151         fastload_num=image.num_sections;
4152         fastload=(struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
4153         if (fastload==NULL)
4154         {
4155                 image_close(&image);
4156                 return ERROR_FAIL;
4157         }
4158         memset(fastload, 0, sizeof(struct FastLoad)*image.num_sections);
4159         for (i = 0; i < image.num_sections; i++)
4160         {
4161                 buffer = malloc(image.sections[i].size);
4162                 if (buffer == NULL)
4163                 {
4164                         command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size);
4165                         break;
4166                 }
4167
4168                 if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
4169                 {
4170                         free(buffer);
4171                         break;
4172                 }
4173
4174                 u32 offset=0;
4175                 u32 length=buf_cnt;
4176
4177
4178                 /* DANGER!!! beware of unsigned comparision here!!! */
4179
4180                 if ((image.sections[i].base_address+buf_cnt>=min_address)&&
4181                                 (image.sections[i].base_address<max_address))
4182                 {
4183                         if (image.sections[i].base_address<min_address)
4184                         {
4185                                 /* clip addresses below */
4186                                 offset+=min_address-image.sections[i].base_address;
4187                                 length-=offset;
4188                         }
4189
4190                         if (image.sections[i].base_address+buf_cnt>max_address)
4191                         {
4192                                 length-=(image.sections[i].base_address+buf_cnt)-max_address;
4193                         }
4194
4195                         fastload[i].address=image.sections[i].base_address+offset;
4196                         fastload[i].data=malloc(length);
4197                         if (fastload[i].data==NULL)
4198                         {
4199                                 free(buffer);
4200                                 break;
4201                         }
4202                         memcpy(fastload[i].data, buffer+offset, length);
4203                         fastload[i].length=length;
4204
4205                         image_size += length;
4206                         command_print(cmd_ctx, "%u byte written at address 0x%8.8x", length, image.sections[i].base_address+offset);
4207                 }
4208
4209                 free(buffer);
4210         }
4211
4212         duration_stop_measure(&duration, &duration_text);
4213         if (retval==ERROR_OK)
4214         {
4215                 command_print(cmd_ctx, "Loaded %u bytes in %s", image_size, duration_text);
4216                 command_print(cmd_ctx, "NB!!! image has not been loaded to target, issue a subsequent 'fast_load' to do so.");
4217         }
4218         free(duration_text);
4219
4220         image_close(&image);
4221
4222         if (retval!=ERROR_OK)
4223         {
4224                 free_fastload();
4225         }
4226
4227         return retval;
4228 }
4229
4230 static int handle_fast_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
4231 {
4232         if (argc>0)
4233                 return ERROR_COMMAND_SYNTAX_ERROR;
4234         if (fastload==NULL)
4235         {
4236                 LOG_ERROR("No image in memory");
4237                 return ERROR_FAIL;
4238         }
4239         int i;
4240         int ms=timeval_ms();
4241         int size=0;
4242         int retval=ERROR_OK;
4243         for (i=0; i<fastload_num;i++)
4244         {
4245                 target_t *target = get_current_target(cmd_ctx);
4246                 command_print(cmd_ctx, "Write to 0x%08x, length 0x%08x", fastload[i].address, fastload[i].length);
4247                 if (retval==ERROR_OK)
4248                 {
4249                         retval = target_write_buffer(target, fastload[i].address, fastload[i].length, fastload[i].data);
4250                 }
4251                 size+=fastload[i].length;
4252         }
4253         int after=timeval_ms();
4254         command_print(cmd_ctx, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0));
4255         return retval;
4256 }